CN105382521A - Device and method for detaching and installing wind tunnel damping net - Google Patents

Device and method for detaching and installing wind tunnel damping net Download PDF

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Publication number
CN105382521A
CN105382521A CN201510674273.9A CN201510674273A CN105382521A CN 105382521 A CN105382521 A CN 105382521A CN 201510674273 A CN201510674273 A CN 201510674273A CN 105382521 A CN105382521 A CN 105382521A
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China
Prior art keywords
stable section
support body
stable
damping screen
section
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CN201510674273.9A
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Chinese (zh)
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CN105382521B (en
Inventor
唐青
陈立平
张瑞瑞
徐刚
徐旻
侯佳健
姜洪亮
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Beijing Research Center of Intelligent Equipment for Agriculture
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Beijing Research Center of Intelligent Equipment for Agriculture
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Priority to CN201510674273.9A priority Critical patent/CN105382521B/en
Publication of CN105382521A publication Critical patent/CN105382521A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts

Abstract

The invention relates to a device and method for detaching and installing a wind tunnel damping net. The device comprises a movable support used for driving a first stable section to move and a fixed support used for keeping a second stable section static relative to the ground. The movable support comprises a first frame body for supporting the first stable section and a second frame body for supporting the first frame body. The first frame body is provided with first idler wheels capable of sliding in the direction of the center axis of the first stable section on the second frame body. The second frame body is provided with second idler wheels capable of sliding in the direction perpendicular to the center axis of the first stable section. Compared with a detaching and installing tool in the prior art, the device only comprises the two supports, the structure is simple, occupied space is small, and the device can be conveniently used in a wind tunnel laboratory with the limited space. In addition, when the device is used for detaching and installing the damping net, only push actions in two perpendicular directions are needed, the actions can be finished by one person, and therefore labor is saved.

Description

Wind-tunnel damping screen removes and installs the method for device and dismounting, installation damping screen
Technical field
The present invention relates to a kind of wind-tunnel damping screen dismounting field, especially relate to a kind of wind-tunnel damping screen and remove and install device and adopt this device dismantle the method for damping screen and adopt this device that the method for damping screen is installed.
Background technology
Wind-tunnel manually to produce and to control air-flow, with the flowing of simulated flight device or object ambient gas, and air-flow can be measured to the effect of object and a kind of pipe-like experimental facilities observing physical phenomenon, it carries out the most frequently used, the most effective instrument of aerodynamic experiment.
In wind tunnel operation process, affect by extraneous factor, the foreign material such as dust, oil droplet, trace particle, catkin all likely enter from wind-tunnel air inlet, are finally attached on damping screen.When after wind tunnel operation a period of time, because damping screen is blocked, wind-tunnel maximum stream flow can be caused to decline, the problems such as blower fan back pressure increase, serious meeting causes Flow Field in Wind Tunnel to be polluted, the not up to standard and blower fan excess load of wind speed etc.Therefore the periodic cleaning of damping screen is indispensable in wind tunnel laboratory management.
Wind-tunnel comprises two connected stable sections, only has and is separated by two stable sections, the damping screen be arranged in one of them stable section could be extracted out.Current disassembly process needs to be separated by two stable sections by more complicated huge equipment such as arm, hydraulic stem or pulleys, and installation process is also like this.Due to the limited space of wind tunnel laboratory, so operation is very inconvenient, and often need more than two people just can complete dismounting, the installation of damping screen.
Summary of the invention
Technical problem to be solved by this invention how on the basis of easy disassembly wind-tunnel damping screen, to reduce work manpower.
For solving the problems of the technologies described above, the present invention proposes a kind of method that wind-tunnel damping screen removes and installs device and adopts the dismounting of this device, installation damping screen.
First aspect, the invention provides a kind of wind-tunnel damping screen and remove and install device, described wind-tunnel comprises the first connected stable section and the second stable section, described remove and install device comprise for drive described first stable section motion traversing carriage and the fixed support for keeping the relative ground static of described second stable section, wherein:
Described traversing carriage comprises the first support body supporting described first stable section and the second support body supporting described first support body;
Described first support body is provided with can along the first roller that the central axis direction of described first stable section slides on described second support body;
Described second support body is provided with second roller that can slide along the direction perpendicular to described first stable section central shaft.
Optionally, described second roller is arranged on guide rail, and the length direction of described guide rail is perpendicular to the central shaft of described first stable section.
Optionally, described first roller is provided with the fastener at the second support body edge described in clamping; And/or
Described second roller is provided with the fastener of guide rail described in clamping.
Optionally, described first support body and/or described second support body are provided with drive division;
The drive division of described first support body drives described first support body to slide along described first stable section central axis direction, and the drive division of described second support body drives described second support body to slide along perpendicular to described first stable section central axis direction.
Optionally, described drive division comprises the leading screw be connected with corresponding support body and the turning handle be connected with described leading screw.
Optionally, the edge of described second support body is provided with the block piece stopping described first support body landing.
Second aspect, the method for this device of employing provided by the invention dismounting damping screen comprises:
S1, dismantle connector between described first stable section and described second stable section;
S2, described first support body is driven to slide along described first stable section central shaft to the direction away from described second stable section, with the locating slot making the alignment pin on described first stable section depart from described second stable section;
S3, described second support body is driven to slide along perpendicular to the direction of described first stable section central shaft, to make the contact surface overlapping area of described first stable section and described second stable section for zero;
S4, the damping screen taken out in described second stable section.
The third aspect, the method that this device of employing provided by the invention installs damping screen comprises:
S1, damping screen is slided in described second stable section;
S2, described second support body is driven to slide along perpendicular to the direction of described first stable section central shaft, to make the dead in line of described first stable section and described second stable section;
S3, drive described first support body to slide near the direction of described second stable section along described first stable section central shaft, insert in the locating slot of described second stable section to make the alignment pin of described first stable section;
S4, described first stable section to be connected by connector with described second stable section.
Optionally, also comprised before step S1: multiple ball is installed on the sidewall of damping screen housing.
Optionally, also comprised before step S1: on the inwall of described first stable section or described second stable section, offer the ball grooves corresponding with described ball.
Relative to dismantling device of the prior art (arm, hydraulic stem or pulley etc.), the present invention only includes two supports, and structure is simple, takes up space little, the indoor use of the convenient wind tunnel experiment at limited space.And utilize the present invention to remove and install damping screen, only need carry out the pushing action of two vertical direction, a people can complete, and has therefore saved work manpower.
Accompanying drawing explanation
Can understanding characteristic information of the present invention clearly and advantage by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 shows wind-tunnel damping screen of the present invention and removes and installs the front view that device is mounted to wind-tunnel;
Fig. 2 shows the top view of Fig. 1;
Fig. 3 shows the left view of Fig. 1;
Fig. 4 shows the sectional view of Fig. 1;
Fig. 5 shows the present invention and adopts this device to dismantle the schematic flow sheet of method one embodiment of damping screen;
Fig. 6 shows the present invention and adopts this device to install the schematic flow sheet of method one embodiment of damping screen;
Reference numeral:
1-traversing carriage; 2-fixed support; 3-guide rail; 4-second roller; 5-turning handle; 6-leading screw; 7-first roller; 8-first support body; 9-second support body; The 10-section of being flexible coupling; 11-first stable section; 12-second stable section.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
As Figure 1-4, the invention provides a kind of wind-tunnel damping screen and remove and install device, described wind-tunnel comprises the first connected stable section 11 and the second stable section 12, described remove and install device comprise for drive described first stable section motion traversing carriage 1 and the fixed support 2 for keeping the relative ground static of described second stable section, wherein:
Described traversing carriage comprises the first support body 8 of described first stable section of supporting and supports the second support body 9 of described first support body;
Described first support body 8 is provided with can along the first roller 7 that the central axis direction of described first stable section slides on described second support body;
Described second support body 9 is provided with second roller 4 that can slide along the direction perpendicular to described first stable section central shaft.
In the present invention, traversing carriage is for driving the first stable section motion, and fixed support is for keeping the relative ground static of the second stable section.Such first stable section is in moving process, and the second stable section is fixed.And, first roller of traversing carriage can slide along the central axis direction of the first stable section, second roller can slide along the direction perpendicular to described first stable section central shaft, therefore traversing carriage not only can drive the first stable section to slide along the first stable section central axis direction, but also the first stable section can be driven to slide along the direction perpendicular to the first stable section central shaft.Wherein, slide along the first stable section central axis direction, the first stable section can be made to depart from the second stable section (alignment pin of the first stable section departs from the locating slot of the second stable section), slide along perpendicular to the first stable section central axis direction, the contact surface of the first stable section and the second stable section can be made to stagger completely, the operations such as convenient like this extraction, placement damping screen.
Relative to dismantling device of the prior art (arm, hydraulic stem or pulley etc.), the present invention only includes two supports, and structure is simple, takes up space little, the indoor use of the convenient wind tunnel experiment at limited space.And utilize the present invention to remove and install damping screen, only need carry out the pushing action of two vertical direction, a people can complete, and has therefore saved work manpower.
Fact proved, for diameter at about 1 meter, weight is at the wind-tunnel stable section of about 3 tons, and the present invention can realize the work of single replacing damping screen, and do not need by devices such as arm, hydraulic stem or pulleys, whole dismounting or installation process are no more than two hours.Therefore the present invention greatly simplify the workload of disassembly, cleaning damping screen.When needs change Flow Field in Wind Tunnel turbulivity, arrangement and the interval of adjustment stable section internal damping net are also very convenient.
In practice, in order to reduce the resistance to sliding of the second roller and be convenient to the control of glide direction, can arrange on guides 3 by the second roller 4, the length direction of described guide rail is perpendicular to the central shaft of described first stable section.
Optionally, the fastener of guide rail described in clamping can be provided with on the second roller.Like this, when the first support body slides along the central axis direction of the first stable section on the second support body, because guide rail is motionless, and the second roller is connected on guide rail, and therefore the second roller lateral sliding can not occur, thus keeps the second support body lateral sliding not to occur.Wherein, the side direction be displaced sideways refers to the glide direction perpendicular to its script.
In addition, also drive division can be set on described first support body and/or described second support body;
The drive division of described first support body drives described first support body to slide along described first stable section central axis direction, and the drive division of described second support body drives described second support body to slide along perpendicular to described first stable section central axis direction.
Utilize drive division to drive the slip of corresponding support body, manpower can be reduced further.
Wherein, described drive division can comprise the leading screw be connected with corresponding support body and the turning handle be connected with described leading screw.Such as, the drive division of the first support body 8 is the leading screw 6 be connected with the first support body and the turning handle 5 be connected with leading screw, rotary motion handle, screw turns, and then drives the first support body to move.
When the first support body slides on the second support body, in order to avoid the first support body landing second support body, block piece can be set at the edge of the second support body, in order to stop the landing of the first support body.Certainly, can also be provided with the fastener at the second support body edge described in clamping on the first roller, this fastener makes the first roller can only move along the central axis direction of the first stable section.
As shown in Figure 5, present invention also offers and a kind ofly utilize the above method removing and installing device dismounting damping screen, the method comprises:
S1, dismantle connector between described first stable section and described second stable section;
S2, described first support body is driven to slide along described first stable section central shaft to the direction away from described second stable section, with the locating slot making the alignment pin on described first stable section depart from described second stable section;
S3, described second support body is driven to slide along perpendicular to the direction of described first stable section central shaft, to make the contact surface overlapping area of described first stable section and described second stable section for zero;
S4, the damping screen taken out in described second stable section.
Said process carries out being mounted to by traversing carriage below the first stable section and being mounted to after below the second stable section by fixed support.
Because the diameter of the first stable section and the second stable section differs, the stable section diameter be connected with the section of being flexible coupling is less, and quality is partially light, moves and is easier to.Therefore the first stable section can for the stable section be connected with the section of being flexible coupling.Certainly, before step S1, also need the first stable section 11 to be separated with the section of being flexible coupling 10.Separation process is very simple, only the screw of connection first stable section and the section of being flexible coupling need be pulled down.
Connector wherein in step S1 generally refers to the connecting screw between the first stable section and the second stable section.
In step S2, rotate the turning handle of drive division on the first support body, the screw turns be connected with this handle, the first support body be connected with this leading screw moves, because the first support body carries the first stable section, therefore just drive the alignment pin of the first stable section to depart from the locating slot of the second stable section, the first stable section departs from the second stable section.When rotating this handle, the first support body moves relative to the second support body, and the second support body maintains static, and the first support body moves with the first stable section.The alignment pin of the first stable section is just departed from the locating slot of the second stable section by the movement due to the first support body, and therefore the displacement of the first support body meets this needs.
Wherein, the alignment pin on the first stable section is designed with chamfering, and while playing sealing function, cooperation when being convenient to repeated disassembled and assembled and between locating slot, card, top problem appear in the first stable section avoiding rotating threaded shaft to cause and the second stable section.
In step S3, the contact surface overlapping area of the first stable section and the second stable section is zero refer to that the contact surface of the first stable section and the second stable section staggers completely, to extract damping screen.When second support body moves, move together with the first support body and the first stable section, until the contact surface of the first stable section and the second stable section staggers completely.
Visible, topmost two actions during dismounting: promote the first support body and slide along the central axis direction of the first stable section, the first stable section and the second stable section are departed from.Promote the second support body to slide along the direction perpendicular to the first stable section central shaft, the contact surface of the first stable section and the second stable section is staggered completely, and therefore operating process is very simple.
Equally, as shown in Figure 6, present invention also offers a kind of utilization and above remove and install the method that device installs damping screen, the method comprises:
S1, damping screen is slided in described second stable section;
S2, described second support body is driven to slide along perpendicular to the direction of described first stable section central shaft, to make the dead in line of described first stable section and described second stable section;
S3, drive described first support body to slide near the direction of described second stable section along described first stable section central shaft, insert in the locating slot of described second stable section to make the alignment pin of described first stable section;
S4, described first stable section to be connected by connector with described second stable section.
Known by above step, installation process is the inverse process of above unloading process.
The present invention, after dismounting damping screen, also further can transform damping screen, be convenient to installment work.Such as, make the housing of damping screen into aluminum, reduce its weight; The sidewall of damping screen housing is installed multiple ball.Due to the slip of ball, reduce the damping in damping screen put procedure, decrease damping when next time dismantling this damping screen equally; In order to position ball, stable section inwall offer ball grooves, ball be slided along ball grooves, be convenient to remove and install.
In the present invention, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.Term " multiple " refers to two or more, unless otherwise clear and definite restriction.
Although describe embodiments of the present invention by reference to the accompanying drawings, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, such amendment and modification all fall into by within claims limited range.

Claims (10)

1. a wind-tunnel damping screen removes and installs device, described wind-tunnel comprises the first connected stable section and the second stable section, it is characterized in that, described remove and install device comprise for drive described first stable section motion traversing carriage and the fixed support for keeping the relative ground static of described second stable section, wherein:
Described traversing carriage comprises the first support body supporting described first stable section and the second support body supporting described first support body;
Described first support body is provided with can along the first roller that the central axis direction of described first stable section slides on described second support body;
Described second support body is provided with second roller that can slide along the direction perpendicular to described first stable section central shaft.
2. device according to claim 1, is characterized in that, described second roller is arranged on guide rail, and the length direction of described guide rail is perpendicular to the central shaft of described first stable section.
3. device according to claim 2, is characterized in that,
Described first roller is provided with the fastener at the second support body edge described in clamping; And/or
Described second roller is provided with the fastener of guide rail described in clamping.
4. device according to claim 1, is characterized in that, described first support body and/or described second support body are provided with drive division;
The drive division of described first support body drives described first support body to slide along described first stable section central axis direction, and the drive division of described second support body drives described second support body to slide along perpendicular to described first stable section central axis direction.
5. device according to claim 4, is characterized in that, described drive division comprises the leading screw be connected with corresponding support body and the turning handle be connected with described leading screw.
6. device according to claim 1, is characterized in that, the edge of described second support body is provided with the block piece stopping described first support body landing.
7. adopt a method for claim 1-6 arbitrary described device dismounting damping screen, it is characterized in that, comprising:
S1, dismantle connector between described first stable section and described second stable section;
S2, described first support body is driven to slide along described first stable section central shaft to the direction away from described second stable section, with the locating slot making the alignment pin on described first stable section depart from described second stable section;
S3, described second support body is driven to slide along perpendicular to the direction of described first stable section central shaft, to make the contact surface overlapping area of described first stable section and described second stable section for zero;
S4, the damping screen taken out in described second stable section.
8. adopt claim 1-6 arbitrary described device that a method for damping screen is installed, it is characterized in that, comprising:
S1, damping screen is slided in described second stable section;
S2, described second support body is driven to slide along perpendicular to the direction of described first stable section central shaft, to make the dead in line of described first stable section and described second stable section;
S3, drive described first support body to slide near the direction of described second stable section along described first stable section central shaft, insert in the locating slot of described second stable section to make the alignment pin of described first stable section;
S4, described first stable section to be connected by connector with described second stable section.
9. method according to claim 8, is characterized in that, also comprises before step S1: on the sidewall of damping screen housing, install multiple ball.
10. method according to claim 9, is characterized in that, also comprises before step S1: on the inwall of described first stable section or described second stable section, offer the ball grooves corresponding with described ball.
CN201510674273.9A 2015-10-16 2015-10-16 Wind-tunnel damping screen removes and installs device and dismounting, the method for installation damping screen Active CN105382521B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124409A (en) * 2019-05-06 2019-08-16 沈阳航空航天大学 A kind of DC low-speed wind-tunnel damping screen cleaning device
CN110174234A (en) * 2019-01-15 2019-08-27 昆山市三维换热器有限公司 Multi-functional wind system

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JP2001235393A (en) * 2000-02-22 2001-08-31 Ishikawajima Harima Heavy Ind Co Ltd Method of preventing disturbance from propagating to measuring portion in temperature-stratified wind tunnel
CN2656979Y (en) * 2003-11-03 2004-11-17 鞍山市光学仪表有限公司 Low speed wind tunnel detecting device
US7237434B2 (en) * 2004-04-30 2007-07-03 Daimlerchrysler Corporation Slotted damping section for aerodynamic wind tunnel
CN102353510A (en) * 2011-06-03 2012-02-15 中国人民解放军国防科学技术大学 Hypersonic speed gun wind tunnel clamping film mechanism
CN102829945A (en) * 2012-08-30 2012-12-19 华南理工大学 Telescopic wind duct for wind tunnel
CN203719869U (en) * 2013-12-17 2014-07-16 贵州航天凯宏科技有限责任公司 Adjustable wind tunnel test device of automobile cooler

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001235393A (en) * 2000-02-22 2001-08-31 Ishikawajima Harima Heavy Ind Co Ltd Method of preventing disturbance from propagating to measuring portion in temperature-stratified wind tunnel
CN2656979Y (en) * 2003-11-03 2004-11-17 鞍山市光学仪表有限公司 Low speed wind tunnel detecting device
US7237434B2 (en) * 2004-04-30 2007-07-03 Daimlerchrysler Corporation Slotted damping section for aerodynamic wind tunnel
CN102353510A (en) * 2011-06-03 2012-02-15 中国人民解放军国防科学技术大学 Hypersonic speed gun wind tunnel clamping film mechanism
CN102829945A (en) * 2012-08-30 2012-12-19 华南理工大学 Telescopic wind duct for wind tunnel
CN203719869U (en) * 2013-12-17 2014-07-16 贵州航天凯宏科技有限责任公司 Adjustable wind tunnel test device of automobile cooler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110174234A (en) * 2019-01-15 2019-08-27 昆山市三维换热器有限公司 Multi-functional wind system
CN110124409A (en) * 2019-05-06 2019-08-16 沈阳航空航天大学 A kind of DC low-speed wind-tunnel damping screen cleaning device

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