CN105352692A - Water cooling short circuit ring structure used for electric vibrating table - Google Patents
Water cooling short circuit ring structure used for electric vibrating table Download PDFInfo
- Publication number
- CN105352692A CN105352692A CN201510946078.7A CN201510946078A CN105352692A CN 105352692 A CN105352692 A CN 105352692A CN 201510946078 A CN201510946078 A CN 201510946078A CN 105352692 A CN105352692 A CN 105352692A
- Authority
- CN
- China
- Prior art keywords
- magnetic pole
- short
- circuit ring
- ring structure
- water cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
Abstract
The invention provides a water cooling short circuit ring structure which is used for lowering temperature of a short circuit ring capable of changing equivalent impedance of a movable coil. A center magnetic pole is arranged below the movable coil and comprises an upper magnetic pole and a lower magnetic pole which are opposite up and down, an upper short circuit ring is annularly arranged on the outer wall of the upper magnetic pole, a lower short circuit ring is annularly arranged on the outer wall of the lower magnetic pole, the outer diameter of the upper magnetic pole is equal to the outer diameter of the lower magnetic pole, and an annular groove is formed in the upper end part of the lower magnetic pole; and the water cooling short circuit ring structure comprises an annular water pipe annularly arranged in the annular groove, wherein the outer wall of the annular water pipe is level with the outer wall of the upper short circuit ring and/or the lower short circuit ring, so that the outer wall of the annular water pipe is used as part of the upper short circuit ring and/or the lower short circuit ring. The water cooling short circuit structure not only can meet the requirement of cooling the short circuit ring of the vibrating table, but also can be used as part of the short circuit ring and has the function of changing impedance, and can avoid the problem of rusting of a cooling water channel.
Description
Technical field
The present invention relates to vibration rig field, particularly relate to a kind of water cooling short-circuit ring structure for electric vibration table.
Background technology
Electric vibration table is by constant magnetic field and is arranged in the shaking table that vibration force that interaction that this magnetic field is connected with the coil of certain alternating current produces drives.In electric vibration table structure, moving-coil as movable part floating support in magnetic field, in order to reduce AC impedance during moving-coil high-frequency work in work, the short-circuit ring structure being close to magnetic pole/magnetic cylinder is provided with outside central magnetic pole or inside magnetic cylinder, shaking table, after installing short-circuited conducting sleeve additional, in high-frequency region, can reduce the equiva lent impedance based on inductance effectively, thus improve input current and increase output electric power, to expand the frequency of utilization scope of shaking table.Short-circuited conducting sleeve is generally be made up of the copper material of high conductivity, due to short-circuited conducting sleeve because the drive current responding to moving-coil can produce very large induction current, thus produces a large amount of heats, so must cool short-circuited conducting sleeve.
The cooling of current electric vibration table is mainly divided into air-cooled and water-cooled.Air-cooled type cooling method adopts blower fan forced draft, utilize cross-ventilation to cool, but the cooling effect of this mode is limited, is only applicable to medium and small shaking table.Water-cooled cooling means adopts wire or pipeline water flowing, is taken away by heat by recirculated water, and cooling effect is obvious, and large vibration table all adopts.In water-cooled vibrating platform, its short-circuited conducting sleeve adopts looped pipeline to pass to forced cooling water, utilizes the heat transfer of water to take away heat.
China Patent No. CN201020220199.6 discloses a kind of vibrating table short circuit ring cooling structure, built-up welding layers of copper in the cooling annular groove of central magnetic pole/magnetic cylinder, can be sent in cooling annular groove by layers of copper by the heat of short-circuited conducting sleeve better like this.But such short-circuit ring structure still has very large drawback, namely in the process of built-up welding layers of copper, because temperature is higher, easily cause the molten steel of central magnetic pole/magnetic cylinder to turn up to mix with layers of copper, such cooling water channel is easy to get rusty, thus result in the filter net jam of chilled water.
Therefore, need to provide a kind of water cooling short-circuit ring structure to solve the problems referred to above.
Summary of the invention
The water cooling short-circuit ring structure that the object of the invention is to provide a kind of good cooling results to avoid again cooling water channel and get rusty.
Especially, the invention provides a kind of water cooling short-circuit ring structure for electric vibration table, for reducing the temperature of short-circuited conducting sleeve that can change moving-coil equiva lent impedance, central magnetic pole is provided with below described moving-coil, described central magnetic pole comprises upper magnetic pole opposing upper and lower and lower magnetic pole, the outer wall of described upper magnetic pole is equipped with short-circuited conducting sleeve, the outer wall of described lower magnetic pole is equipped with lower short-circuited conducting sleeve, the external diameter of described upper magnetic pole and the external diameter equal and opposite in direction of described lower magnetic pole, a ring groove is had in the upper end of described lower magnetic pole, described water cooling short-circuit ring structure comprises the annular conduit be located in described ring groove, wherein, the outer wall of described annular conduit flushes with the outer wall of described upper short-circuited conducting sleeve and/or described lower short-circuited conducting sleeve, to make the outer wall of described annular conduit as a part for upper short-circuited conducting sleeve and/or described lower short-circuited conducting sleeve.
Alternatively, described water cooling short-circuit ring structure also comprises two vertical tubes of the inner edge both sides being fixed in described annular conduit;
Alternatively, described annular conduit and described vertical tube are welded and fixed.
Alternatively, described lower magnetic pole is also configured with two deep holes at the axial direction along described vertical tube and passes for described vertical tube.
Alternatively, the upper surface of two described vertical tubes adopts the sealing of water pipe seal plate welding.
Alternatively, described annular conduit is communicated with two described vertical tubes respectively, with make chilled water from a described vertical tube two described vertical tubes flow to through described annular conduit and from described in another vertical tube flow out.
Alternatively, described annular conduit adopts the hollow square tube of fine copper to roll into annular and butt welding is shaping;
Alternatively, described vertical tube adopts fine copper hollow circular-tube.
Alternatively, upper and lower two jiaos of the outside of described annular conduit is welded and fixed with described upper magnetic pole and described lower magnetic pole respectively.
Alternatively, described upper short-circuited conducting sleeve is welded on the cylindrical of described upper magnetic pole, and its underpart and described annular conduit weld together;
Alternatively, described lower short-circuited conducting sleeve is welded on the cylindrical of described lower magnetic pole, and its top and described annular conduit weld together.
Alternatively, the bottom of described vertical tube is welded with the deep hole bottom of described lower magnetic pole with fixing described vertical tube.
Alternatively, described upper magnetic pole and described lower magnetic pole are fixed by screw.
Water cooling short-circuit ring structure of the present invention, by using the part of the outer wall of annular conduit as short-circuited conducting sleeve, short-circuited conducting sleeve is directly contacted with chilled water, radiating effect is more excellent, so both met the requirement of cooling oscillating table short circuit ring, can have as a part for short-circuited conducting sleeve the function changing impedance concurrently again, avoid the problem that cooling water channel gets rusty simultaneously.The present invention adopts central magnetic pole segmentation to connect to avoid large-scale component raw-materially to draw materials again, processes a difficult problem.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the cut-open view of the water cooling short-circuit ring structure of the embodiment of the present invention 1;
Fig. 2 is the partial enlarged drawing of the part A of water cooling short-circuit ring structure shown in Fig. 1;
Fig. 3 is the partial enlarged drawing of the part B of water cooling short-circuit ring structure shown in Fig. 1;
Fig. 4 is the cut-open view of the water cooling short-circuit ring structure of the embodiment of the present invention 2;
Fig. 5 is the cut-open view of the water cooling short-circuit ring structure of the embodiment of the present invention 3.
Embodiment
Embodiment 1
Fig. 1 is the cut-open view of the water cooling short-circuit ring structure of the embodiment of the present invention 1.With reference to figure 1, described water cooling short-circuit ring structure is for reducing the temperature of short-circuited conducting sleeve that can change moving-coil equiva lent impedance, central magnetic pole is provided with below described moving-coil, described central magnetic pole comprises upper magnetic pole 1 opposing upper and lower and lower magnetic pole 2, described upper magnetic pole 1 and described lower magnetic pole 2 are fixed by screw 9, the outer wall of described upper magnetic pole 1 is equipped with short-circuited conducting sleeve 3, the outer wall of described lower magnetic pole 1 is equipped with lower short-circuited conducting sleeve 4, the external diameter of described upper magnetic pole 1 and the external diameter equal and opposite in direction of described lower magnetic pole 2, the thickness equal and opposite in direction of described upper short-circuited conducting sleeve 3 and described lower short-circuited conducting sleeve 4.Fig. 2 is the partial enlarged drawing of the part A of water cooling short-circuit ring structure shown in Fig. 1.As shown in Figure 2, a ring groove is had in the upper end of described lower magnetic pole 2, described water cooling short-circuit ring structure comprises the annular conduit 5 be located in described ring groove, wherein, the outer wall of described annular conduit 5 flushes with the outer wall of described upper short-circuited conducting sleeve 3 and/or described lower short-circuited conducting sleeve 4, to make the outer wall of described annular conduit 5 as a part for upper short-circuited conducting sleeve 3 and/or described lower short-circuited conducting sleeve 4.
Because of the copper ring that upper short-circuited conducting sleeve 3 and lower short-circuited conducting sleeve 4 adopt, and annular conduit 5 also adopts hollow square tube copper pipe, and therefore, the outer wall that annular conduit 5 connects with upper short-circuited conducting sleeve 3 and lower short-circuited conducting sleeve 4 respectively also can the function of change impedance of shared short-circuited conducting sleeve.
Simultaneously, because copper material heat conductivility is better, heat on upper short-circuited conducting sleeve 3 and lower short-circuited conducting sleeve 4 is than being easier to be sent on the outer wall of annular conduit 5, and in annular conduit 5, constantly have chilled water to pass through, just the heat on annular conduit 5 outer wall can be taken away, like this, annular conduit 5 outer wall after cooling produces the temperature difference with upper short-circuited conducting sleeve 3 and lower short-circuited conducting sleeve 4 respectively, therefore, the heat on upper short-circuited conducting sleeve 3 and lower short-circuited conducting sleeve 4 is transferred into again on the outer wall of annular conduit 5.The chilled water of continuous like this circulation in annular conduit 5 and vertical tube 7 constantly takes away heat, can effectively lower the temperature for upper short-circuited conducting sleeve 3 and lower short-circuited conducting sleeve 4.
With reference to figure 2, described water cooling short-circuit ring structure also comprises two vertical tubes 7 of the inner edge both sides being fixed in described annular conduit 5.Particularly, described annular conduit 5 is welded and fixed with described vertical tube 7.Correspondingly, described lower magnetic pole 2 passes for described vertical tube 7 being also configured with two deep holes along the axial direction of described vertical tube 7.The upper surface of two described vertical tubes 7 adopts water pipe shrouding 8 welded seal, described annular conduit 5 respectively vertical tube 7 described with two is communicated with, and flows to through described annular conduit 5 to make chilled water and flows out from vertical tube described in another 7 from a described vertical tube 7 two described vertical tubes 7.After chilled water enters from one of them vertical tube 7, arriving annular conduit 5 and be just divided into two-way, discharging through jointly entering again another vertical tube 7 from two semi arches of annular conduit 5 respectively.
Described annular conduit 5 adopts the hollow square tube of fine copper to roll into annular and butt welding is shaping.Described vertical tube 7 adopts fine copper hollow circular-tube.
Fig. 3 is the partial enlarged drawing of the part B of water cooling short-circuit ring structure shown in Fig. 1.With reference to figure 3, described upper short-circuited conducting sleeve 3 is welded on the cylindrical of described upper magnetic pole 1, and its underpart and described annular conduit 5 weld together; Described lower short-circuited conducting sleeve 4 is welded on the cylindrical of described lower magnetic pole 2, and its top and described annular conduit 5 weld together.
Upper and lower two jiaos of the outside of described annular conduit 5 is welded and fixed with described upper magnetic pole 1 and described lower magnetic pole 2 respectively.
The bottom of described vertical tube 7 is welded with the deep hole bottom of described lower magnetic pole 2 with fixing described vertical tube 7, prevents vertical tube 7 from rocking.
In water cooling short-circuit ring structure of the present invention, annular conduit 5 and vertical tube 7 all adopt copper material, avoid the problem that water channel gets rusty.
Embodiment 2
Fig. 4 is the cut-open view of the water cooling short-circuit ring structure according to the embodiment of the present invention 2.See Fig. 4, described water cooling short-circuit ring structure is for reducing the temperature of short-circuited conducting sleeve that can change moving-coil equiva lent impedance, central magnetic pole is provided with below described moving-coil, described central magnetic pole comprises the opposing upper and lower first to the 3rd magnetic pole 10,20,30, described first magnetic pole 10 and described second magnetic pole 20 are fixed by the first screw 41, described second magnetic pole 20 and described 3rd magnetic pole 30 are fixed by the second screw 42, the outer wall of described second magnetic pole 20 is equipped with the first short-circuited conducting sleeve 50, the external diameter equal and opposite in direction of the described first to the 3rd magnetic pole 10,20,30.The first ring groove is had in the upper end of described second magnetic pole 20, described water cooling short-circuit ring structure comprises the first annular conduit 61 be located in described first ring groove, wherein, the outer wall of described first annular conduit 61 flushes with the outer wall of described first short-circuited conducting sleeve 50, to make the outer wall of described first annular conduit 61 as a part for described first short-circuited conducting sleeve 50.In addition, the second ring groove is had in the upper end of described 3rd magnetic pole 30, described water cooling short-circuit ring structure also comprises the second annular conduit 62 be located in described second ring groove, wherein, the outer wall of described second annular conduit 62 flushes with the outer wall of described first short-circuited conducting sleeve 50, to make the outer wall of described second annular conduit 62 as a part for described first short-circuited conducting sleeve 50.
In a preferred embodiment, also be welded with two the first vertical tubes 71 communicated with described first annular conduit 61 in the inner edge both sides of described first annular conduit 61, be also welded with two the second vertical tubes 72 communicated with described second annular conduit 62 in the inner edge both sides of described second annular conduit 62.
See Fig. 4, described first short-circuited conducting sleeve 50 is welded on the cylindrical of described second magnetic pole 20, and its upper and lower two ends weld together with described first annular conduit 61 and the second annular conduit 62 respectively.On the outside inferior horn of described first annular conduit 61 and the outside of described second annular conduit 62, angle is welded and fixed with described second magnetic pole 20 respectively.
In the present embodiment, described in described water-cooled short-circuit structure and embodiment 1, water cooling short-circuit ring structure is same or similar, repeats no more for water cooling short-circuit ring structure part the present embodiment.
Embodiment 3
Fig. 5 is the cut-open view of the water cooling short-circuit ring structure according to the embodiment of the present invention 3.See Fig. 5, described water cooling short-circuit ring structure is for reducing the temperature of short-circuited conducting sleeve that can change moving-coil equiva lent impedance, magnetic cylinder 100 is provided with below described moving-coil, the outer ring of the internal perisporium of described magnetic cylinder 100 is provided with the second short-circuited conducting sleeve 200, and at the upper and lower two ends of internal perisporium of described magnetic cylinder 100, boxing connects the 3rd annular conduit 310 and the 4th annular conduit 320 respectively.Wherein, the inwall of described 3rd annular conduit 310 and the 4th annular conduit 320 flushes with the outer wall of described second short-circuited conducting sleeve 200 respectively, to make the inwall of the inwall of described 3rd annular conduit 310 and described 4th annular conduit 320 as a part for described second short-circuited conducting sleeve 200.
In a preferred embodiment, also be welded with two the 3rd vertical tubes 410 communicated with described 3rd annular conduit 310 in the both sides, outside of described 3rd annular conduit 310, be also welded with the 4th vertical tube 420 communicated with described 4th annular conduit 320 in the both sides, outside of described 4th annular conduit 320.
With reference to figure 5, described second short-circuited conducting sleeve 200 is welded on the outside of the internal perisporium of described magnetic cylinder 100, and its upper and lower two ends weld together with described 3rd annular conduit 310 and the 4th annular conduit 320 respectively.On the inner side inferior horn of described 3rd annular conduit 310 and the inner side of described 4th annular conduit 320, angle is welded and fixed with described magnetic cylinder 100 internal perisporium respectively.
In the present embodiment, described in described water-cooled short-circuit structure and embodiment 1, water cooling short-circuit ring structure is same or similar, repeats no more for water cooling short-circuit ring structure part the present embodiment.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. the water cooling short-circuit ring structure for electric vibration table, for reducing the temperature of short-circuited conducting sleeve that can change moving-coil equiva lent impedance, central magnetic pole is provided with below described moving-coil, described central magnetic pole comprises upper magnetic pole opposing upper and lower and lower magnetic pole, the outer wall of described upper magnetic pole is equipped with short-circuited conducting sleeve, the outer wall of described lower magnetic pole is equipped with lower short-circuited conducting sleeve, the external diameter of described upper magnetic pole and the external diameter equal and opposite in direction of described lower magnetic pole, a ring groove is had in the upper end of described lower magnetic pole, described water cooling short-circuit ring structure comprises the annular conduit be located in described ring groove, wherein, the outer wall of described annular conduit flushes with the outer wall of described upper short-circuited conducting sleeve and/or described lower short-circuited conducting sleeve, to make the outer wall of described annular conduit as a part for upper short-circuited conducting sleeve and/or described lower short-circuited conducting sleeve.
2. water cooling short-circuit ring structure according to claim 1, is characterized in that, described water cooling short-circuit ring structure also comprises two vertical tubes of the inner edge both sides being fixed in described annular conduit;
Alternatively, described annular conduit and described vertical tube are welded and fixed.
3. water cooling short-circuit ring structure according to claim 2, is characterized in that, described lower magnetic pole is also configured with two deep holes at the axial direction along described vertical tube and passes for described vertical tube.
4. the water cooling short-circuit ring structure according to Claims 2 or 3, is characterized in that, the upper surface of two described vertical tubes adopts the sealing of water pipe seal plate welding.
5. the water cooling short-circuit ring structure according to any one of claim 2-4, it is characterized in that, described annular conduit is communicated with two described vertical tubes respectively, with make chilled water from a described vertical tube two described vertical tubes flow to through described annular conduit and from described in another vertical tube flow out.
6. the water cooling short-circuit ring structure according to any one of claim 2-5, is characterized in that, described annular conduit adopts the hollow square tube of fine copper to roll into annular and butt welding is shaping;
Alternatively, described vertical tube adopts fine copper hollow circular-tube.
7. the water cooling short-circuit ring structure according to any one of claim 1-6, is characterized in that, upper and lower two jiaos of the outside of described annular conduit is welded and fixed with described upper magnetic pole and described lower magnetic pole respectively.
8. the water cooling short-circuit ring structure according to any one of claim 1-7, is characterized in that, described upper short-circuited conducting sleeve is welded on the cylindrical of described upper magnetic pole, and its underpart and described annular conduit weld together; Described lower short-circuited conducting sleeve is welded on the cylindrical of described lower magnetic pole, and its top and described annular conduit weld together.
9. the water cooling short-circuit ring structure according to any one of claim 2-8, is characterized in that, the bottom of described vertical tube is welded with the deep hole bottom of described lower magnetic pole with fixing described vertical tube.
10. the water cooling short-circuit ring structure according to any one of claim 1-9, is characterized in that, described upper magnetic pole and described lower magnetic pole are fixed by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946078.7A CN105352692B (en) | 2015-12-17 | 2015-12-17 | A kind of water cooling short-circuit ring structure for electric vibration table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946078.7A CN105352692B (en) | 2015-12-17 | 2015-12-17 | A kind of water cooling short-circuit ring structure for electric vibration table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105352692A true CN105352692A (en) | 2016-02-24 |
| CN105352692B CN105352692B (en) | 2018-07-31 |
Family
ID=55328699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510946078.7A Active CN105352692B (en) | 2015-12-17 | 2015-12-17 | A kind of water cooling short-circuit ring structure for electric vibration table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105352692B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069299A2 (en) * | 2002-02-11 | 2003-08-21 | Ling Dynamic Systems Ltd | Electromagnetic shaker |
| CN1836796A (en) * | 2006-04-18 | 2006-09-27 | 浙江大学 | Excitation device |
| CN2821798Y (en) * | 2005-09-09 | 2006-09-27 | 苏州东菱振动试验仪器有限公司 | Inner and outer short circuit circular cooling structure of electric vibration table |
| CN101069884A (en) * | 2007-06-12 | 2007-11-14 | 浙江大学 | Two magnetic route structure of large-stroke electromagnetic vibration |
| CN101561340A (en) * | 2009-05-18 | 2009-10-21 | 苏州苏试试验仪器有限公司 | Effective water cooling short-circuit ring structure |
| CN101865755A (en) * | 2010-06-09 | 2010-10-20 | 苏州东菱振动试验仪器有限公司 | Vibrating table short circuit ring cooling structure and preparation method thereof |
| CN205333284U (en) * | 2015-12-17 | 2016-06-22 | 苏州东菱振动试验仪器有限公司 | A water -cooling short circuit ring structure for electric vibration table |
-
2015
- 2015-12-17 CN CN201510946078.7A patent/CN105352692B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069299A2 (en) * | 2002-02-11 | 2003-08-21 | Ling Dynamic Systems Ltd | Electromagnetic shaker |
| CN2821798Y (en) * | 2005-09-09 | 2006-09-27 | 苏州东菱振动试验仪器有限公司 | Inner and outer short circuit circular cooling structure of electric vibration table |
| CN1836796A (en) * | 2006-04-18 | 2006-09-27 | 浙江大学 | Excitation device |
| CN101069884A (en) * | 2007-06-12 | 2007-11-14 | 浙江大学 | Two magnetic route structure of large-stroke electromagnetic vibration |
| CN101561340A (en) * | 2009-05-18 | 2009-10-21 | 苏州苏试试验仪器有限公司 | Effective water cooling short-circuit ring structure |
| CN101865755A (en) * | 2010-06-09 | 2010-10-20 | 苏州东菱振动试验仪器有限公司 | Vibrating table short circuit ring cooling structure and preparation method thereof |
| CN205333284U (en) * | 2015-12-17 | 2016-06-22 | 苏州东菱振动试验仪器有限公司 | A water -cooling short circuit ring structure for electric vibration table |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105352692B (en) | 2018-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205333284U (en) | A water -cooling short circuit ring structure for electric vibration table | |
| CN105352692A (en) | Water cooling short circuit ring structure used for electric vibrating table | |
| CN2821798Y (en) | Inner and outer short circuit circular cooling structure of electric vibration table | |
| US20140028144A1 (en) | Joint and jointing method in a permanent magnet synchronous machine | |
| CN204867779U (en) | Spot welding electrode structure | |
| CN202212256U (en) | Electromagnetic type powdery iron remover | |
| CN204185516U (en) | A kind of shaft-disc type component end face inner bore quenching inducer | |
| CN110300487A (en) | A kind of multichannel cooling vacuum quadrupole electromagnet device | |
| CN204392678U (en) | For bar cooling structure in the high frequency resonate cavity of heavy ion cyclotron | |
| CN203316250U (en) | Forced oil circulation two-coil electromagnetic iron separator | |
| CN207395550U (en) | A kind of reinforced heat-dissipating pipe | |
| CN101865755B (en) | Vibrating table short circuit ring cooling structure and preparation method thereof | |
| CN206065359U (en) | A kind of aluminium bar cooler crystallizer for up casting machine | |
| CN203690071U (en) | Transformer cake winding frame structure | |
| CN211383477U (en) | Circulating liquid cooling system for magnetic stimulation coil | |
| CN205408206U (en) | Copper tubing silicon steel post | |
| CN101561340B (en) | Effective water cooling short-circuit ring structure | |
| CN206596258U (en) | A kind of double helix inductor for being used to heat before bar drawing | |
| CN202580426U (en) | Flow splitting manifold | |
| CN105374770B (en) | The integrated radiator of radiating module | |
| CN207280201U (en) | Can-type calcine furnace discharge hole structure | |
| CN204085189U (en) | The concise stove water cooled cover of a kind of ladle | |
| CN205383903U (en) | High cooling efficiency's silicon steel post | |
| CN110641911A (en) | Pipe chain conveyor driven by linear motor | |
| CN208528284U (en) | A kind of argon arc welding machine convenient for heat dissipation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |