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Publication numberCN101865755 A
Publication typeApplication
Application numberCN 201010195755
Publication date20 Oct 2010
Filing date9 Jun 2010
Priority date9 Jun 2010
Also published asCN101865755B
Publication number201010195755.3, CN 101865755 A, CN 101865755A, CN 201010195755, CN-A-101865755, CN101865755 A, CN101865755A, CN201010195755, CN201010195755.3
Inventors赵征, 陈俊
Applicant苏州东菱振动试验仪器有限公司
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Vibrating table short circuit ring cooling structure and preparation method thereof
CN 101865755 A
Abstract
The invention relates to a vibrating table short circuit ring cooling structure and a preparation method thereof. The short circuit ring cooling structure comprises a short circuit ring arranged on a magnetic cylinder and/or central magnetic pole, wherein the inner wall of the magnetic cylinder or the outer wall of the central magnetic pole is provided with at least one annular groove; the annular groove is communicated with at least two deep holes which are axially formed in the magnetic cylinder or the central magnetic pole; at least one deep hole is also communicated with a cooling water supply device to form a water inlet passage; the rest deep holes are communicated with the exterior of the magnetic cylinder or the central magnetic pole to form a water discharge passage; and the short circuit ring covers the annular groove and is hermetically and circularly connected with the inner wall of the magnetic cylinder or the outer wall of the central magnetic pole. The vibrating table short circuit ring cooling structure can efficiently cool the short circuit ring and has the advantages of high sealing property, no threat of leakage of the cooling liquid, simple machining process and low cost.
Claims(10)  translated from Chinese
  1. 一种振动台短路环冷却结构,包括设置在磁缸和/或中心磁极上的短路环,其特征在于:所述磁缸内壁或中心磁极外壁上开设至少一环形槽,所述环形槽与沿轴向设置在磁缸或中心磁极内的至少两个深孔连通,且至少一深孔还与冷却水供应设备连通构成进水通道,其余深孔与磁缸或中心磁极外部连通构成排水通道,所述短路环覆设在所述环形槽上,并与磁缸内壁或中心磁极外壁密封环绕连接。 A short ring shaker cooling structure, comprising a magnetic cylinder disposed in and / or short-circuit on the magnetic pole center of the ring, characterized in that: said magnetic cylinder inner wall or the outer wall of the center pole to open at least one annular groove, said annular groove and along axially disposed within the cylinder or the center of the magnetic pole of the at least two communication hole, and at least one hole also constitutes the inlet channel communicates with the cooling water supply device, or the rest of the cylinder hole and the center of the magnetic pole constituted drain passage communicating externally, The short-circuit ring cover is provided on the annular groove, and the magnetic cylinder walls or outer sealing surround the center pole connection.
  2. 2.根据权利要求1所述的振动台短路环冷却结构,其特征在于:所述深孔内还设置冷却水管,所述冷却水管与冷却水供应设备连通或与磁缸或中心磁极外部连通,同时所述冷却水管还通过自身管壁上设置的一开口与所述环形槽连通。 The shaker short ring cooling structure according to claim 1, wherein: said inner hole is also provided with a cooling pipe, the cooling water pipe communicating with the cooling water supply apparatus or the communication with the external magnetic cylinder or the center pole, At the same time the cooling water through an opening in the annular groove provided in the wall of the communication itself.
  3. 3.根据权利要求2所述的振动台短路环冷却结构,其特征在于:所述冷却水管管壁与对应的环形槽壁堆焊固定连接。 3. The shaker short ring cooling structure according to claim 2, wherein: the cooling water pipe wall with a corresponding annular groove wall cladding fixed connection.
  4. 4.根据权利要求2或3所述的振动台短路环冷却结构,其特征在于:所述冷却水管上端为封闭端。 4. The shaker short ring cooling structure according to claim 2 or claim 3, wherein: said closed upper end of the cooling water pipes.
  5. 5.根据权利要求1所述的振动台短路环冷却结构,其特征在于:所述短路环的宽度大于环形槽的槽宽,且其内壁上对应于环形槽两侧边沿处的部位与磁缸内壁或中心磁极外壁密封环绕堆焊连接。 5. The shaker short ring cooling structure according to claim 1, wherein: said short-circuit ring is greater than the width of the groove width of the annular groove, and which corresponds to the inner wall of the annular groove at the edge portions on both sides of the magnetic cylinder the inner wall or the outer wall of the sealing surround the center pole welding connection.
  6. 6.如权利要求1所述振动台短路环冷却结构的制备方法,其特征在于,该方法为:(1)在磁缸和/或中心磁极内沿轴向钻设两个以上的深孔;(2)在磁缸内壁和/或中心磁极外壁上内沿圆周方向开凿出一道以上的环形槽,该环形槽与所述深孔均连通;(3)将短路环覆设在上述环形槽上,并将其对应于环形槽两侧边沿处的部位与磁缸内壁或中心磁极外壁环绕密封连接。 6. The method for preparing a vibration table shorting ring cooling structure as claimed in claim, characterized in that the method is: (1) within the magnetic cylinder and / or the center pole drilled hole in the axial direction two or more; (2) in the circumferential direction of the wall cut in the magnetic cylinder walls and / or above the center pole outside of a circular groove, the annular groove and the hole are communicated; (3) the short-circuit ring cover provided on the annular groove and which corresponds to both sides of the annular groove at the edge of the site and the magnetic cylinder walls or outer walls surround the center pole sealed connection.
  7. 7.根据权利要求6所述的如权利要求1所述振动台短路环冷却结构的制备方法,其特征在于,该方法为:(1)在磁缸和/或中心磁极内沿轴向钻设两个以上的深孔;(2)在磁缸内壁和/或中心磁极外壁上内沿圆周方向开凿出一道以上的环形槽,该环形槽与所述深孔均连通;(3)在至少一深孔内插设与冷却水供应设备连通的冷却水管,并将该冷却水管上对应于环形槽的部分以堆焊方式与环形槽完全连接;(4)在冷却水管上对应于环形槽的管壁上加工出一开口,使冷却水管与环形槽连通;(5)将短路环覆设在上述环形槽上,并将其对应于环形槽两侧边沿处的部位以堆焊方式与磁缸内壁或中心磁极外壁环绕密封连接。 6 according to the shaking table as a short-circuit of the circulating cooling structure production method claims, characterized in that the method is: (1) drilled in the magnetic cylinder and / or the center pole in the axial direction Two or more deep; (2) within the magnetic cylinder walls and / or outer wall of the center pole out of a cut in the circumferential direction over the annular groove, the annular groove and the hole are communicated; (3) at least one inserted in the hole communicating with the cooling water supply equipment cooling water pipes, and the portion corresponding to the annular groove in the annular groove surfacing manner fully connected to the cooling water; (4) in the cooling water pipe corresponding to the annular groove Processing of a wall opening, the cooling water pipe in communication with the annular groove; (5) the short-circuit ring cover provided on the annular groove, and which corresponds to the portion of the annular groove at the edges on both sides to an inner wall of the magnetic cylinder surfacing or the outer wall surrounding the center pole sealed connection.
  8. 8.根据权利要求7所述的如权利要求1所述振动台短路环冷却结构的制备方法,其特征在于:该方法中,堆焊操作均采用全铜堆焊方式。 The vibrating table short circuit loop cooling structure of preparation according to claim 7 claim, wherein: the method, the welding operations are all-copper welding mode.
  9. 9.根据权利要求6或7所述的振动台短路环冷却结构的制备方法,其特征在于:所述冷却水管上端为封闭端。 9. A method of preparing a short circuit shaker 6 or 7 ring cooling structure according to claim, wherein: said closed upper end of the cooling water pipes.
  10. 10.根据权利要求6或7所述的如权利要求1所述振动台短路环冷却结构的制备方法, 其特征在于:所述短路环的宽度大于环形槽的槽宽,且其内壁上对应于环形槽两侧边沿处的部位与磁缸内壁或中心磁极外壁密封环绕堆焊连接。 6 or 7 according to claim 1 wherein the preparation of the short-circuit ring shaker cooling structure as claimed in claim claim wherein: a width greater than the width of the short-circuit ring of the annular groove, and which corresponds to the inner wall parts and magnetic cylinder walls or the center pole at the edge of the outer wall of the annular groove on both sides of the seal surrounding the welding connection.
Description  translated from Chinese

振动台短路环冷却结构及其制备方法 Shaker short ring cooling structure and preparation method

技术领域 Technical Field

[0001] 本发明涉及振动试验技术领域的一种电动振动试验设备及其构建方法,尤其涉及一种振动台短路环冷却结构及其制备方法。 [0001] An electrodynamic vibration test equipment involved in the field of vibration testing technology and construction method of the present invention, particularly, to a vibration table short ring cooling structure and preparation method.

背景技术 Background

[0002] 在常用电动振动台中,中心磁极和磁缸上一般均设置短路铜环,其作用是改变磁路系统的等效阻抗,提高输入电流并增大输出电动力,还可以作为补偿线圈抵消或削弱动圈运动所产生的恒定及角频率为成分的电动力,增大振幅,减小失真。 [0002] In the usual electric vibration Taichung, central pole and magnetic cylinders are generally set short circuit copper ring, whose role is to change the equivalent resistance of the magnet system, improve the input current and to increase the output power, but also as a compensating coil offset constant and dynamic angular frequency or weaken the movement generated by electric power components, increasing the amplitude, reduce distortion. 但同时,短路铜环中会存在很大的涡电流,并产生大量的热量。 But at the same time, there will be a short circuit in a big brass ring eddy current, and generates a lot of heat. 为消除这些热量,如图1所示,现有的大型电动振动台均采用将冷却水管7折成环状后焊接在中心磁极1上的环形槽3内的方式,形成水冷式的短路环冷却机构。 To eliminate these calories, shown in Figure 1, the existing large-scale electric shaker After cooling pipes are made of a cyclic manner 3 7 folded within the annular groove weld on center pole 1, forming a short-circuit loop water-cooled cooling institutions. 但这种短路环冷却机构中,若水管接头处处理不当,就会经常出现漏水现象,从而给设备带来极大的安全隐患。 But this short-circuit loop cooling mechanism, pipe joints if not handled properly, it will often be leaking, giving the device a great security risk.

发明内容 DISCLOSURE

[0003] 本发明的目的在于提出一种具有冷却效率高,密封性良好,无泄露冷却液之虞的振动台短路环冷却结构及其制备方法,从而克服现有技术中的缺陷。 [0003] The object of the present invention is to propose having a high cooling efficiency, good sealing, no leakage of coolant danger of short-circuit loop cooling vibration table structure and preparation methods to overcome the deficiencies in the prior art.

[0004] 为实现上述发明目的,本发明采用了如下技术方案: [0004] To achieve the above object of the invention, the present invention employs the following technical solutions:

[0005] 一种振动台短路环冷却结构,包括设置在磁缸和/或中心磁极上的短路环,其特征在于,所述磁缸内壁或中心磁极外壁上开设至少一环形槽,所述环形槽与沿轴向设置在磁缸或中心磁极内的至少两个深孔连通,且至少一深孔还与冷却水供应设备连通构成进水通道,其余深孔与磁缸或中心磁极外部连通构成排水通道,所述短路环覆设在所述环形槽上,并与磁缸内壁或中心磁极外壁密封环绕连接。 [0005] A short ring shaker cooling structure, comprising a magnetic cylinder disposed in and / or short-circuit on the magnetic pole center of the ring, characterized in that said magnetic pole center cylinder inner wall or outer wall at least one annular groove opened, the annular groove axially disposed within the cylinder or the center of the magnetic pole of the at least two communication hole, and at least one hole also constitutes the inlet channel communicates with the cooling water supply device, or the rest of the cylinder hole and the center of the magnetic pole constituted external communication drain passage, the short-circuit ring provided on the overlying annular groove and the inner wall of the cylinder or the center of the magnetic pole surrounded by an outer wall sealed connection.

[0006] 进一步地讲,所述深孔内还设置冷却水管,所述冷却水管与冷却水供应设备连通或与磁缸或中心磁极外部连通,同时所述冷却水管还通过自身管壁上设置的一开口与所述环形槽连通。 [0006] Further speaking, also a cooling pipe within the hole, the cooling water and the cooling water supply device connectivity or communication with the external magnetic cylinder or the center pole, while the cooling water through the pipe wall is set on its own an opening in communication with said annular groove.

[0007] 所述冷却水管管壁与对应的环形槽壁堆焊固定连接。 [0007] The cooling water pipe wall with a corresponding annular groove wall surfacing fixed connection.

[0008] 所述冷却水管上端为封闭端。 [0008] The upper end of the cooling water pipe closed end.

[0009] 所述短路环的宽度大于环形槽的槽宽,且其内壁上对应于环形槽两侧边沿处的部位与磁缸内壁或中心磁极外壁密封环绕堆焊连接。 The width of the short circuit of the [0009] ring is larger than the annular groove width, and which corresponds to the inner wall of the annular groove on both sides of the site at the edge of the magnetic cylinder walls surround or center pole outer seal welding connection.

[0010] 如上所述振动台短路环冷却结构的制备方法,其特征在于,该方法为: [0010] Preparation vibration units shorting ring cooling structure as described above, wherein the method is:

[0011] (1)在磁缸和/或中心磁极内沿轴向钻设两个以上的深孔; [0011] (1) within the magnetic cylinders and / or the center pole in the axial hole drilled more than two;

[0012] (2)在磁缸内壁和/或中心磁极外壁上内沿圆周方向开凿出一道以上的环形槽, 该环形槽与所述深孔均连通; [0012] (2) within the magnetic cylinder walls and / or the center pole to hew out of the outer wall of a circumferential direction over an annular groove, the annular groove and the hole are communicated;

[0013] (3)将短路环覆设在上述环形槽上,并将其对应于环形槽两侧边沿处的部位与磁缸内壁或中心磁极外壁环绕密封连接。 [0013] (3) The short-circuit ring cover provided on the annular groove, and which corresponds to the portion of the annular groove on both sides at the edge or center of the magnetic pole outer cylinder walls surround a sealed connection.

[0014] 进一步地讲,该方法为:[0015] (1)在磁缸和/或中心磁极内沿轴向钻出两个以上的深孔; [0014] Further speaking, the method is: [0015] (1) within the magnetic cylinders and / or the center pole axial hole drilled along two or more;

[0016] (2)在磁缸内壁和/或中心磁极外壁上内沿圆周方向开凿出一道以上的环形槽, 该环形槽与上述深孔均连通; [0016] (2) within the magnetic cylinder walls and / or the center pole to hew out of the outer wall of a circumferential direction over an annular groove, the annular grooves are communicated with said hole;

[0017] (3)在至少一所述深孔内插设一与冷却水供应设备连通的冷却水管,并将该冷却水管上对应于环形槽的部分以堆焊方式与环形槽完全连接; [0017] (3) at least one of said hole inserted a device in communication with the cooling water supply cooling water pipes, and the portion corresponding to the annular groove in the annular groove surfacing manner fully connected to the cooling water pipes;

[0018] (4)在冷却水管上对应于环形槽的管壁上加工出一开口,使冷却水管与环形槽连通; [0018] (4) in the cooling water correspond to the annular groove machined wall of an opening of the cooling water pipe in communication with the annular groove;

[0019] (5)将短路环覆设在上述环形槽上,并将其对应于环形槽两侧边沿处的部位以堆焊方式与磁缸内壁或中心磁极外壁环绕密封连接。 [0019] (5) The short-circuit ring cover provided on the annular groove, and the corresponding parts on both sides of the annular groove at the edges in order to surfacing way or the center pole magnetic cylinder walls surround the outer wall sealed connection.

[0020] 该方法中,堆焊操作均采用全铜堆焊方式。 [0020] In this method, all-copper welding operations are surfacing mode.

[0021] 所述冷却水管上端为封闭端。 [0021] The upper end of the cooling water pipe closed end.

[0022] 所述短路环的宽度大于环形槽的槽宽,且其内壁上对应于环形槽两侧边沿处的部位与磁缸内壁或中心磁极外壁密封环绕堆焊连接。 The width of the short circuit of the [0022] ring is larger than the annular groove width, and which corresponds to the inner wall of the annular groove on both sides of the site at the edge of the magnetic cylinder walls surround or center pole outer seal welding connection.

[0023] 与现有技术相比,本发明的有益效果在于:该振动台短路环冷却结构可高效冷却短路环,且其密封性良好,无泄露冷却液之虞,同时,其加工工艺简单,成本低廉。 [0023] Compared with the prior art, the beneficial effects of the present invention is that: the vibration table short ring cooling structure can be efficiently cooled short ring, and its good sealing, no leakage of coolant fear, while its simple processing, low cost.

附图说明 Brief Description

[0024] 下面结合附图和实施例对本发明的内容作进一步说明。 [0024] The accompanying drawings and the following examples of the present invention is further described below.

[0025] 图1是现有技术中振动台短路环冷却结构剖视图; [0025] FIG. 1 is a prior art shaker short ring sectional view of the cooling structure;

[0026] 图2是实施例1中振动台短路环冷却结构剖视图; [0026] Figure 2 is an example of vibration table in a cross-sectional view of the short-circuit loop cooling structure;

[0027] 图3是实施例1的振动台短路环冷却结构的俯视图; [0027] FIG. 3 is a plan view of the short-circuit loop shaker cooling structure of Example 1;

[0028] 图4是实施例1的制备工艺流程示意图; [0028] FIG. 4 is a schematic diagram of the preparation process of Example 1;

[0029] 图5是实施例2振动台短路环冷却结构剖视图; [0029] FIG. 5 is a vibrating table short ring cooling structure for the implementation of a cross-sectional view;

[0030] 图6是实施例2的振动台短路环冷却结构俯视图。 [0030] FIG. 6 is a circuit-ring cooling structure shaking table top view of the second embodiment.

具体实施方式 DETAILED DESCRIPTION

[0031 ] 实施例1如图2〜3所示,该振动台短路环冷却结构包括设置在中心磁极1上的短路环4,该中心磁极内沿轴向设置两个深孔8,所述深孔内分别设置一上端封闭的冷却水管5,且其中一冷却水管与外设冷却水供应设备连通构成进水通道,而另一冷却水管则构成回水通道,该中心磁极1外壁上开设一环形槽3,所述两根冷却水管通过其上部管壁上设置的一开口与环形槽3连通,且环形槽壁与对应的冷却水管管壁全铜堆焊固定连接,短路环的宽度大于环形槽的槽宽,其内壁上对应于环形槽两侧边沿处的部位与中心磁极外壁密封环绕全铜堆焊连接。 [0031] The embodiment shown in FIG. 2 or 3, the vibration table short ring cooling structure includes a center pole provided on a short-circuit ring 4, the center pole two hole 8 axially along the deep holes are provided with a closed upper end of the cooling pipe 5, and in which a cooling water pipes and cooling water supply device connectivity peripherals constitute water passage, while the other cooling water constitutes a return channel, the center pole 1 to open an annular outer wall groove 3, the two cooling water pipe on its upper wall set by an opening in communication with the annular groove 3 and the annular groove wall and the corresponding cooling water pipe wall full of copper cladding fixed connection, short-circuit loop is wider than the annular groove The width, which corresponds to the inner wall of the annular groove on both sides of the site at the edge of the center pole and the outer wall surrounding the whole copper seal welding connection.

[0032] 该振动台短路环冷却结构可通过如图4所示的工艺流程制成: [0032] The shaker short ring cooling structure can be made of the process shown in Figure 4:

[0033] (1)在中心磁极1内沿轴向钻出两个深孔8 ; [0033] (1) In the center pole 1 within two axially drilled hole 8;

[0034] (2)在中心磁极1外壁上内沿圆周方向开凿出一道环形槽3,且该环形槽与上述深孔上部连通; [0034] (2) in the outer wall of the center pole 1 cut along the circumferential direction of the annular groove 3, and the upper portion of the annular groove communicating with said hole;

[0035] (3)在两个深孔内分别插设一冷却水管5,并将该冷却水管上对应于环形槽的部分与环形槽完全全铜堆焊6连接;[0036] (4)在冷却水管5上对应于环形槽的管壁上加工出一开口,使冷却水管与环形槽连通,并将其中一冷却水管与外设冷却水供应设备连通; [0035] (3) in the two hole inserted a cooling pipe 5, respectively, and the portion corresponding to the annular groove of the annular groove 6 is connected to the Full copper cladding on the cooling water pipes; [0036] (4) the upper cooling water pipe 5 corresponds to the wall of the annular groove machined with an opening so that the cooling water pipe in communication with the annular groove, and wherein a cooling water pipe with the peripheral cooling water supply device connectivity;

[0037] (5)将短路环4覆设在上述环形槽上,并将其内壁上对应于环形槽两侧边沿处的部位以全铜堆焊的方式与中心磁极1外壁环绕密封连接。 [0037] (5) The short-circuit ring 4 cover provided on the annular groove, and the inner wall of the annular groove corresponding to the side at the edge of the site to the full copper welding manner surround the outer wall of the center pole a sealed connection.

[0038] 实施例2如图5〜6所示,该振动台短路环冷却结构包括设置在磁缸2内壁上的短路环4,该磁缸内壁内沿轴向设置两个深孔,该磁缸内壁上开设一道环形槽3',所述深孔内分别设置一上端封闭的冷却水管5,两根冷却水管均通过其上部管壁上设置的一开口与环形槽3'连通,且环形槽壁与对应的冷却水管管壁全铜堆焊固定连接,其中一冷却水管还与外设冷却水供应设备连通,短路环4的宽度大于环形槽的槽宽,其内壁上对应于环形槽两侧边沿处的部位与磁缸内壁密封环绕全铜堆焊连接。 [0038] Example 2 shown in FIG. 5 to 6, the shaking table comprises a short ring cooling structure disposed on the inner wall of the cylinder 2 of a magnetic short-circuit ring 4, two axially disposed within the hole along the inner wall of the magnetic cylinder, the magnetic a cylinder wall opening annular groove 3 ', said setting an upper end of the closed cooling water within the hole 5, respectively, are the two cooling water pipes through an opening in the annular groove provided on its upper wall 3' communication, and the annular groove corresponding to the cooling water pipe wall and all copper cladding wall is fixedly connected, wherein a cooling water pipe also communicates with the cooling water supply to the peripheral devices, short-circuit ring 4 is greater than the width of the groove width of the annular groove, which corresponds to the annular groove on both sides of the inner wall at the edge portion of the magnetic seal cylinder walls surround all copper welding connection.

[0039] 该振动台短路环冷却结构可通过类同实施例1的工艺流程制成。 [0039] The shaker short ring cooling structure can be similar to the implementation of the process of Example 1 was prepared.

[0040] 上述的冷却水供应设备还可优选采用循环冷却水供应设备,如此,则上述两个深孔或两根冷却水管均与该循环冷却水设备连通,从而构成一循环冷却系统,以达成节约水资源之目的。 [0040] The cooling water supply equipment described above may also be preferred by circulating cooling water supply equipment, so, the two hole or two cooling pipes are the circulating cooling water device connectivity, thereby constituting a circulating cooling system to reach The purpose of the conservation of water resources.

[0041] 以上仅是本发明的两个优选实施方式,对于本领域技术人员来说,经由上述内容的启示,亦可容易的想到,但不限于如下列举的一些等同替换方式:采用在磁缸和/或中心磁极中设置多个深孔,并在其中至少一深孔内设置与外设冷却水供应设备连通的冷却水管构成进水通道,而将其他深孔直接作为回水通道;采用在磁缸和/或中心磁极中设置多个深孔,并将其中至少一深孔与外设冷却水供应设备直接连通构成进水通道,而将其他深孔作为回水通道。 [0041] These are only two preferred embodiments of the present invention, the skilled artisan, via revelation the above, can easily think of, but not limited to, the following list of some of the equivalents: the use of the magnetic cylinder and / or the center pole in a plurality of hole, and in which at least one hole set with the peripheral device connectivity cooling water supply cooling water inlet channel constituted, and the other hole directly as a backwater channel; use in magnetic cylinders and / or the center pole in a plurality of hole, and wherein at least one hole and peripheral cooling water supply equipment directly connected to the inlet channel constituted, while the other hole as backwater channels.

[0042] 因此,尽管本发明的实施方案已公开如上,但其并不仅仅限于说明书和实施方式中所列运用,它完全可以被适用于各种适合本发明的领域,对于熟悉本领域的人员而言,可容易地实现另外的修改,因此在不背离权利要求及等同范围所限定的一般概念下,本发明并不限于特定的细节和这里示出与描述的图例。 [0042] Thus, although embodiments of the present invention has been disclosed above, but it is not limited to the use of the specification and embodiments listed, it can be applied to various fields suitable for the invention, for a person skilled in the art , it can be easily modified to achieve other, thus without departing from the general concept of the scope of the claims and the equivalents as defined in the present invention is not limited to the specific details and illustrations herein illustrated and described.

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Referenced by
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International ClassificationG01M7/02
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