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A kind of spring life test device convenient for yield index detection and using method thereof

A life test device and index technology, used in measuring devices, testing of mechanical parts, testing of machine/structural parts, etc., can solve the problems of inaccurate detection, easy to break, buried products in operation, etc., to ensure the detection effect. , Improve safety and practicability

Active Publication Date: 2020-03-31
NANJING CHONON ENERGY SAVING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The spring used for the isolating switch usually has no problems during product assembly, but it is prone to breakage during product debugging or operation and maintenance, which has buried hidden dangers for product operation. This requires the use of spring testing devices to test the life of the spring.
[0003] The existing patent application number is 201420410331.8 and the patent announcement number is CN106840625A, which both disclose a kind of experimental detection device that utilizes the crank slider to drive the spring to expand and contract, but these two devices do not detect the actual maximum shape of the spring when the spring life is detected. Variables, only test the performance of the spring in the random deformation range, such a test is not only inaccurate, but also cannot provide actual and effective test data

Method used

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  • A kind of spring life test device convenient for yield index detection and using method thereof
  • A kind of spring life test device convenient for yield index detection and using method thereof
  • A kind of spring life test device convenient for yield index detection and using method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0031] see Figure 1-4 , in an embodiment of the present invention, a spring life test device that is convenient for yield index detection includes a base 1 and a support side plate 2 vertically arranged at its upper left end, and a mounting plate 3 is vertically arranged on the upper right side of the support side plate 2, so The end of the mounting plate 3 is rotated by a rotating shaft to be provided with a rotating disk 13. The input end of the rotating disk 13 is connected to the output end of the drive motor 4 provided on the mounting plate 3 through a transmission belt 5. The surface of the rotating disk 13 The adjusting mechanism is provided with a slide block 8 that can slide along its radial direction, the surface of the slide block 8 is rotationally connected with the upper end of the transmission connecting rod 11 through a fixed shaft, and the lower end of the transmission connection rod 11 is connected with a sliding part arranged in the fixed sleeve 12. Piston r...

Embodiment 2

[0039] The difference from Example 1 is that in order to improve the safety of the experiment, the upper end of the base 1 is provided with a protective mechanism, and the protective mechanism includes a protective cover 20 for wrapping the spring B in the experiment, and the protective cover 20 consists of The fixed shaft 201 vertically fixed on the upper end of the base 1 and the first cover body 203 and the second cover body 204 rotatably arranged on the fixed shaft 201, the telescopic rod 15 is installed on the support side plate 2, and the telescopic The output end of the rod 15 is rotatably connected with two rotating rods 21, and the other end of the rotating rod 21 is rotatably connected with the side block 205 arranged on the outside of the first cover body 203 and the second cover body 204, the first cover body 203 and the second cover body 204 The upper end of the second cover body 204 is provided with a perforation 202 to facilitate the passage of the piston rod. Th...

Embodiment 3

[0041] The difference from Embodiment 1 is that in order to make the stretching of the spring in the vertical direction, the fixing mechanism is also provided with an auxiliary guiding mechanism, through which the deformation of the spring is guided, especially when the spring is compressed, It is most easily twisted outward, and the auxiliary guide mechanism includes an upper fixing plate 22 for installing the first fixing ring 18 and a lower fixing plate 223 for installing the second fixing ring 19, and the middle position of the upper end of the upper fixing plate 22 is A driving gear 222 is provided by rotating the rotating rod 21. The end of the rotating rod 21 is provided with an adjustment handle 221 that is convenient for hand rotation. At least three horizontal sliders 227 are distributed on the outer side of the driving gear 222. A radially distributed transmission screw hole runs through the slider 227, and a transmission screw 228 is fitted in the transmission screw...

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Abstract

The invention discloses a spring life testing device for facilitating detection of a yield index and a method for using the same. The testing device comprises a base and a supporting side plate vertically disposed at the upper left end of the base. A mounting plate is vertically disposed on the upper right side of the supporting side plate; a rotating disc is arranged at the end portion of the mounting plate in a rotating manner by a rotating shaft; and the input end of the rotating disc is in transmission connection with the output end of a drive motor arranged on the mounting plate by a transmission belt. According to the invention, disadvantages of the existing device are eliminated and the maximum deformation amount of the spring can be provided for detection, so that detection becomesreliable. With a protection mechanism, the safety of the detection is improved. With an auxiliary guiding mechanism, a phenomenon that the outer side of the spring deforms when the spring is compressed or stretched is avoided, so that the good detection result is ensured. Besides, with the auxiliary guiding mechanism, springs with different diameters can be adjusted, so that the practicability ishigh.

Description

technical field [0001] The invention relates to the technical field of mechanical detection equipment, in particular to a spring life test device and a method for using the device for yield index detection. Background technique [0002] The static contacts of the high-voltage isolating switch and the high-voltage grounding switch use springs to exert pressure on the contact fingers to ensure reliable contact between the moving and static contacts. The structure of the spring for the isolating switch is as follows: figure 1 As shown, the spring has hooks at both ends. The spring used for the isolating switch usually has no problems during product assembly, but it is prone to breakage during product debugging or operation and maintenance, which has buried hidden dangers for product operation. This requires the use of spring testing devices to test the life of the spring. . [0003] The existing patent application number is 201420410331.8 and the patent announcement number is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/34G01M13/00
CPCG01M13/00G01N3/34
Inventor 周惠
Owner NANJING CHONON ENERGY SAVING TECH