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Clamping device for structural strength testing of pumps

A technology of clamping device and structural strength, which is applied in the field of clamping devices, can solve problems such as unfavorable enterprise 6S management, unfavorable test site cleanliness, and a large number of connecting parts, so as to avoid fluid leakage, save manual assembly and disassembly time, and maintain neat effect

Active Publication Date: 2020-10-16
SHANGHAI LIANCHENG(GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Whether it is the assembly process or the disassembly process, taking and collecting scattered parts such as bolts, nuts, and gaskets also requires man-hours. The large number of various connecting parts is not conducive to keeping the test site clean and unfavorable to the 6S of the enterprise. manage

Method used

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  • Clamping device for structural strength testing of pumps
  • Clamping device for structural strength testing of pumps
  • Clamping device for structural strength testing of pumps

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] figure 2 It shows the first embodiment of the clamping device 10 used for the structural strength test of the pump according to the present invention, and the clamping device 10 described in this embodiment is applied to figure 1 Take the clamp connection at 22 as an example. Such as figure 2 As shown in , the clamping device 10 includes a first clamping part 30, a second clamping part 40 and a controller (not shown), wherein the first clamping part 30 includes a first electromagnetic part 31 and a connecting part 32, The connecting piece 32 includes a head 321 and a mandrel 322 , and the head 321 and the mandrel 322 are integrally formed in a T-shape. The first electromagnetic element is fixedly connected to the connecting element 32 . The second clamping part 40 includes a second electromagnetic part 41 and a pressure plate 42 , and the second electromagnetic part 41 is fixedly connected to the pressure plate 42 . The second electromagnetic part 41 and the press...

Embodiment 2

[0044] Figure 4 It shows the second embodiment of the clamping device used in the pump structural strength test according to the present invention, and the clamping device described in this embodiment is applied to figure 1 Take the clamp connection at 23 as an example.

[0045] The structural difference between the clamping device in this embodiment and the clamping device described in Embodiment 1 is that in Embodiment 2, the protruding end of the mandrel 322 of the clamping device is not provided with a threaded section. Alternatively, the protruding end of the mandrel 322 of the clamping device is provided with a shoulder 324 and a pressure plate 325 , wherein the shoulder 324 is embedded in the pressure plate 325 , and the pressure plate 325 can move together with the mandrel 322 . In addition, there may or may not be a gap between the shoulder 324 and the pressure plate 325 . Alternatively, the shoulder can also be replaced by an external thread provided at the end of...

Embodiment 3

[0048] Figure 5 It shows the third embodiment of the clamping device used in the pump structural strength test according to the present invention, and the clamping device described in this embodiment is applied to figure 1 Take the clamp connection at 21 as an example.

[0049] The structural difference between the clamping device in this embodiment and the clamping device described in Embodiment 1 is that in Embodiment 3, the protruding end of the mandrel 322 of the clamping device is a polished rod, that is, there is no screw thread Section, the middle part of the mandrel 322 of the clamping device is provided with a middle plate 33 , and the first electromagnetic part 30 is located between the middle plate 33 and the head 321 .

[0050] Contrary to Example 1 and Example 2, as Figure 5 and Figure 6 The controller controls the coil of the first electromagnet 31 and the coil of the second electromagnet 41 to be energized and conducted respectively, and according to the O...

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PUM

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Abstract

The invention discloses a clamping device for pump structure strength test. The clamping device comprises a first clamping part, a second clamping part and a controller, wherein the first clamping part comprises a first electromagnetic part and a connecting piece, the connecting piece comprises a head and a mandrel, the second clamping part comprises a second electromagnetic part and a press plate, and the controller is electrically connected to the first electromagnetic part and the second electromagnetic part. The mandrel of the first clamping part is capable of penetrating through the second clamping part, and the second clamping part is capable of moving along the mandrel and relative to the first clamping part. The controller is capable of controlling the first electromagnetic part and the second electromagnetic part to be electrically conducted and enabling the clamping device to clamp a pump structure, and every clamping device on the same connection assembly surface of the pump structure has balanced clamping force through current size regulation. The clamping device for the pump structure strength test has the advantages that clamping device assembly and disassembly time can be saved, working efficiency is improved, and the clamping force of every clamping device can be balanced and controlled, so that better strength test results are obtained.

Description

technical field [0001] The invention relates to a clamping device, in particular to a clamping device for a pump structure strength test. Background technique [0002] A pump is a machine used to transport fluid or pressurize the fluid. The pump can transfer the mechanical energy of the prime mover or other external energy to the fluid to increase the energy contained in the fluid. In the process of pumping fluid, the motion characteristics of fluid in the pump are very complicated, and the working characteristics of the pump under different working conditions cannot be accurately determined so far. [0003] In view of the above situation and considering that the pump is sometimes used in high-pressure working conditions, the manufacturer usually conducts a strength test on the main pressure-bearing parts of the pump structure (such as the pump body and pump cover, etc.) before the pump product leaves the factory. The test is of great significance to the design, production ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 胡凯陈晶晶张锡淼
Owner SHANGHAI LIANCHENG(GRP) CO LTD