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CN101865755A - Vibrating table short circuit ring cooling structure and preparation method thereof - Google Patents

Vibrating table short circuit ring cooling structure and preparation method thereof Download PDF

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Publication number
CN101865755A
CN101865755A CN 201010195755 CN201010195755A CN101865755A CN 101865755 A CN101865755 A CN 101865755A CN 201010195755 CN201010195755 CN 201010195755 CN 201010195755 A CN201010195755 A CN 201010195755A CN 101865755 A CN101865755 A CN 101865755A
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magnetic
ring
short
circuit
cooling
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CN 201010195755
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Chinese (zh)
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CN101865755B (en )
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赵征
陈俊
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苏州东菱振动试验仪器有限公司
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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.

Description

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

技术领域 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 electric vibration test Vibration test equipment art relates to the present invention and its construction method, particularly to a cooling structure for short ring vibrating table and a preparation method.

背景技术 Background technique

[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] station in a conventional vibration motor, generally provided a short circuit and a magnetic pole center copper ring cylinder, whose role is to change the impedance of the equivalent magnetic circuit, the input current and to improve the power output increase, it can also be used as offset compensation coil or weaken the moving coil motion and the constant electric power and angular frequency component, the amplitude is increased, to 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 is a big short-circuiting will Tonghuan eddy currents and produce 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 this heat, as shown in FIG. 1, a conventional large electric vibration table are used in the embodiment 3 is folded after cooling pipe 7 welded annular groove on the annular center pole 1 to form a water-cooled cooling circuit ring mechanism. 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, if the pipe joints not handled properly, it will often be leaking, so as to bring a great security risk to the device.

发明内容 SUMMARY

[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 provide a high cooling efficiency, good sealing, no leakage risk of the vibrating table coolant short ring having a cooling structure and a preparation method, which overcome the disadvantages of 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] In order to achieve the above object, 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 cylinder disposed in a magnetic and / or short circuit ring on the center pole, wherein the magnetic pole center of the outer cylinder wall or the inner wall defines at least one annular groove, the annular at least two deep groove disposed axially within the cylinder or the center pole of the magnetic communication, and also constitutes a deep inlet channel communicates with the cooling water supply apparatus at least, the remaining deep outer cylinder and the magnetic pole center or communication configuration drain passage, said short-circuit ring covering said annular groove, and the magnetic pole center of the outer wall or the inner wall of the cylinder surrounded by a sealing 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, a cooling water pipe provided within the deep hole, a cooling water pipe communicating with the cooling water supply apparatus or in communication with the cylinder or external magnetic center pole, while the cooling water pipe provided through the wall itself 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 tube wall and the annular groove wall is fixedly connected to the corresponding welding.

[0008] 所述冷却水管上端为封闭端。 [0008] The upper end of the cooling pipe is a 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。 Width [0009] The short-circuit ring is greater than the width of the annular groove and the corresponding edge of the annular groove on the inner wall portion at both sides of the magnetic pole center of the outer wall or the inner wall of the cylinder surrounding 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 shaker 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) two or more deep hole drilled axially in the magnetic cylinder and / or the center pole;

[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) drilled in the magnetic cylinder walls and / or the outer wall of the center pole in the circumferential direction of an annular groove above the annular groove and the deep hole are in communication;

[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) covering the short circuit ring on the annular groove, and which corresponds to the annular groove at the edge portions on both sides of the magnetic pole center of the outer wall or the inner wall of the cylinder surrounding the 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 specifically, the method is: [0015] (1) two or more deep drilled axially along the cylinder in the magnetic and / or center pole;

[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) drilled in the magnetic cylinder walls and / or the outer wall of the center pole in the circumferential direction over an annular groove, the annular groove and the deep hole are in communication;

[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) within said at least one deep hole is inserted a cooling pipe communicating with the cooling water supply apparatus, and the portion corresponding to the annular groove in the cooling water pipe welding manner fully connected with the annular groove;

[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] a machined opening (4) at the annular groove corresponding to the cooling water pipe wall, 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) covering the short circuit ring on the annular groove, and which corresponds to the annular groove at the edge portions on both sides in a manner surrounding the welding cylinder walls or with the magnetic pole center of 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, welding operations are all-copper welding manner.

[0021] 所述冷却水管上端为封闭端。 [0021] The upper end of the cooling pipe is a 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。 Width [0022] The short-circuit ring is greater than the width of the annular groove and the corresponding edge of the annular groove on the inner wall portion at both sides of the magnetic pole center of the outer wall or the inner wall of the cylinder surrounding 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 can be cooled efficiently cooling short ring structure, and which good sealing, no leakage risk of the cooling liquid, while simple processing technology, 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。 Drawings and embodiments of the present invention will be further described [0024] below in conjunction.

[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 table short ring vibration 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] FIG. 2 is a sectional view of a vibration table in the short ring cooling structure embodiment;

[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 vibrating table shorting ring cooling structure according to an embodiment;

[0028] 图4是实施例1的制备工艺流程示意图; [0028] FIG. 4 is a schematic process flow diagram Preparation 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 short ring vibrating table 2 a sectional view of a cooling structure embodiment;

[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 short ring shaker top view of the cooling structure of the embodiment 2.

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] Example 1 shown in FIG. 2 or 3, the shaking table comprises a short ring cooling structure disposed on the center pole 1, short-circuit ring 4, the inner magnetic poles axially disposed along the center of two 8 deep, the depth the upper end of the bore are provided a closed cooling water pipe 5, and wherein the device communicates with a peripheral cooling water pipes constituting a cooling water supply inlet passage, while the other return passage constituting the cooling water pipe, the outer wall of the center pole 1 defines an annular communicating groove 3, through the two cooling water pipe is provided on its upper wall an opening in the annular groove 3 and the wall of the annular groove corresponding to the cooling water pipe welding all copper wall is fixedly connected to the short-circuit ring is larger than the width of the annular groove the groove width, which corresponds to the annular groove on both sides at the edge portion of the inner wall and the outer wall of the center pole surrounding seal welding all copper 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 vibration table structure may be cooled by a short-circuit ring made of the process flow 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 deep 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) cut in the outer wall of the center pole 1 in the circumferential direction of the annular groove 3 a, and the annular groove in communication with the upper portion of the deep 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 deep hole are respectively inserted two cooling water pipes 5 a, and the portion corresponding to the annular groove and the annular groove 6 is completely full copper cladding on the cooling pipe is connected; [0036] (4) corresponding to the annular groove on the wall of the cooling pipe 5 a machined opening, the cooling water pipe in communication with the annular groove, and wherein a cooling pipe and a cooling water supply apparatus communication peripherals;

[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 covering on said annular groove and a corresponding edge of the annular groove on both sides of the inner wall portion of the copper in a full overlay manner around 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 magnetic short-circuit ring 4, the inner magnetic cylinder walls arranged axially along the two deep, the magnetic defines an annular groove wall of the cylinder 3 'is provided within the upper end of a deep hole, respectively closed cooling water pipe 5, two cooling water pipes are provided on its upper portion by a wall opening of the annular groove 3' communication, and the annular groove corresponding to the cooling water pipe wall and the wall of the all-copper welding is fixedly connected, wherein a cooling water pipe also in communication with the peripheral cooling water supply apparatus, a short-circuit ring 4 is greater than the width of the annular groove width, which corresponds to the annular groove on both sides of the inner wall at the edge portion and the magnetic seal surrounding the inner wall of the cylinder is connected all copper cladding.

[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 shaking table can be made short ring cooling structure similar to the process of Example 1 through embodiment.

[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 apparatus preferably further employ circulating cooling water supply apparatus, so, the above-described two deep or two cooling water pipes are in communication with the cooling water circulating equipment, thereby forming a circulation cooling system, to achieve purpose of saving water.

[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] The above are only two preferred embodiments of the present invention, the skilled person, via the inspiration of the above, can easily occur, but not limited to the number of equivalents include the following: The use of the magnetic cylinder and / or in a plurality of deep center pole, and wherein the at least one deep hole is provided with the peripheral cooling water supply apparatus constituting the cooling pipe inlet communication channel, while the other return passage directly as deep; employed the magnetic cylinder and / or the center pole in a plurality of deep hole, and wherein the at least one peripheral and deep cooling water supply apparatus constituting inlet passage is in direct communication, and the other as a deep return 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 have been disclosed above, but it is not limited to the embodiment set forth in the specification and use, it can be applied to various fields suitable for the present invention, for a person skilled in the art , it can be easily realized a further modification, thus without departing from the generic concept claims and equivalents as defined by the scope of the present invention is not limited to the specific details shown and described herein with legend.

Claims (10)

  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 vibration table short ring cooling structure, comprising a cylinder disposed in a magnetic and / or short circuit ring on the center pole, characterized in that: said center magnetic pole or cylinder inner wall defines the outer wall at least one annular groove, said annular groove along deep least two axially disposed within the magnetic cylinder or the center pole of communication, and also constitutes a deep inlet channel communicates with the cooling water supply apparatus at least, the remaining deep hole and the magnetic pole center of the outer cylinder or the drain passage communicating configuration, the short ring covering said annular groove, and the magnetic pole center of the outer wall or the inner wall of the cylinder surrounded by a sealing 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 short ring shaker cooling structure according to claim 1, wherein: said further cooling pipe disposed within the deep hole, a cooling water pipe communicating with the cooling water supply apparatus or in communication with the cylinder or external magnetic center pole, while said cooling water pipe through the wall itself provided with an opening communicating said annular groove.
  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。 The short ring shaker cooling structure according to claim 2, wherein: the cooling water pipe wall with a corresponding annular groove wall is fixedly connected surfacing.
  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。 The short ring shaker cooling structure of claim 2 or claim 3, wherein: the cooling water to the upper end of the closed end.
  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。 The short ring shaker 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 the corresponding edge of the annular groove on the inner wall portion at both sides of the magnetic cylinder sealing the inner or outer wall surrounding 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. A method of preparing a vibration table 1 shorted loop cooling structure as claimed in claim, characterized in that the method is: (1) two or more deep hole drilled axially in the magnetic cylinder and / or the center pole; (2) cut in the inner wall of the outer magnetic cylinder walls and / or the center pole in the circumferential direction over an annular groove, the annular groove are in communication with the deep hole; (3) covering the shorting rings on said annular groove , and which corresponds to the annular groove at the edge portions on both sides of the magnetic pole center of the outer wall or the inner wall of the cylinder surrounding the 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。 The shaker of claim 6 the method of preparing a short-circuit ring cooling structure as claimed in claim claim, wherein the process is: (1) drilled axially in the magnetic cylinder and / or the center pole two or more deep; (2) drilled in the magnetic wall of the outer cylinder walls and / or the center pole in the circumferential direction over an annular groove, the annular groove are in communication with the deep hole; (3) at least one the cooling water pipe is inserted deep hole communicates with the cooling water supply apparatus, and the portion corresponding to the annular groove in the cooling water pipe welding manner fully connected with the annular groove; (4) corresponding to the annular groove in the cooling water pipe machined wall of an opening of the cooling water pipe in communication with the annular groove; (5) covering the short circuit ring on the annular groove, and which corresponds to a portion of the annular groove at the edge on both sides to an inner wall of the magnetic cylinder surfacing an outer wall surrounding the center pole or 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 method of preparing the vibration table 1 shorting ring 8. A cooling structure as claimed in claim 7, characterized in that: the method, the welding operations are all-copper welding manner.
  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: the cooling water to the upper end of the closed end.
  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。 According to claim 6 or 7 as claimed in the method of preparing the vibrating table shorted loop cooling structure of claim 1, wherein the claim: width greater than the width of the short-circuit loop of the annular groove, and which corresponds to the inner wall parts of the magnetic pole center of the outer wall or the inner wall of the cylinder at the edge seals an annular groove on both sides around the welding connection.
CN 201010195755 2010-06-09 2010-06-09 Vibrating table short circuit ring cooling structure and preparation method thereof CN101865755B (en)

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CN104458178B (en) * 2014-12-22 2017-10-13 黄俊龙 Electrodynamic Shaker connecting structure of the center pole shorting ring

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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
CN201707188U (en) * 2010-06-09 2011-01-12 苏州东菱振动试验仪器有限公司 Cooling structure of vibrating table short-circuit ring

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CN2821555Y (en) * 2005-09-02 2006-09-27 苏州东菱振动试验仪器有限公司 Driving coil winding parallel water cooling structure of electric vibrative table
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