Servo tightening shaft test base and comprehensive test device

By using a butterfly-shaped washer clamping and limiting post structure in the servo tightening shaft test base, the problem of the servo tightening shaft being difficult to unscrew the test nut was solved, achieving high testing efficiency.

CN223581352UActive Publication Date: 2025-11-21SHENZHEN SHENSI MICRO INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202423298517.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-21
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In existing servo tightening shaft test bases, the servo tightening shaft does not easily drive the test bolt to unscrew the test nut during testing, affecting testing efficiency.

Method used

A servo tightening shaft test base was designed, which uses a butterfly-shaped washer to hold the test nut and the test bolt between the nut and the bolt. The pressure is stored by deformation and released when the bolt is unscrewed, which makes it easy to loosen the test bolt and unscrew the test nut. Combined with the limit post and adjustment block structure, the test efficiency is ensured.

Benefits of technology

This improves the testing efficiency of the servo tightening axis, enabling convenient loosening and unscrewing of test bolts, and meeting the needs of high-efficiency testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a servo tightening shaft test base and a comprehensive test device. The servo tightening shaft test base comprises a base, a tester, a test nut, a test bolt and at least one pair of butterfly gaskets. The base is used for being mounted on a servo tightening shaft mounting table. The tester is arranged on the base and used for testing the performance of the servo tightening shaft. And the test nut is arranged in a nut seat of the tester. The test bolt is in threaded connection with the test nut and is used for connecting the servo tightening shaft. The butterfly-shaped gaskets are sleeved on a screw rod of the test bolt and clamped between the test nut and a nut cap of the test bolt, and each butterfly-shaped gasket is in a bowl shape so as to apply an upward force to the test bolt. According to the servo tightening shaft test base and the comprehensive test device, the butterfly-shaped gasket is arranged, so that the test bolt can be conveniently unscrewed and screwed out of the test nut, and the test efficiency is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field, especially in a kind of servo tightening shaft test base and comprehensive testing device. BACKGROUND

[0002] Based on current market, intelligent lock is attached in 3C, hardware, automobile and other industry screw connection assembly mode and occupies dominant position, there is torque value, slip tooth, float height, torque overshoot and other requirements in the process of attachment need to be fed back to control system to handle, practice and use existing technology have very mature theory and experience support, but for processing and manufacturing, there are certain tolerance and other uncertain factors, to test and age just produced electric screwdriver, the actual data obtained and theoretical data are compared, ensure that every product is in the hands of customer is qualified high-quality product, based on the need for a product to continuously attach, loosen back and forth test.

[0003] The servo tightening shaft test base in prior art, when testing servo tightening shaft, servo tightening shaft drives test bolt to rotate into test nut and tighten, servo tightening shaft is not easy to drive test bolt to rotate out of test nut, which affects test efficiency.

[0004] Therefore, it is necessary to provide a servo tightening shaft test base and comprehensive testing device to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of servo tightening shaft test base and comprehensive testing device, it is convenient to test bolt loosens and rotates out of test nut, effectively improve test efficiency.

[0006] The technical scheme of the utility model is as follows:

[0007] A servo tightening shaft test base is used to be installed on servo tightening shaft installation table to test the performance of servo tightening shaft, comprising:

[0008] A base is used to be installed on servo tightening shaft installation table;

[0009] A tester is arranged on the base to test the performance of servo tightening shaft;

[0010] A test nut is arranged in the nut seat of the tester;

[0011] A test bolt is threadedly connected to the test nut to connect servo tightening shaft; and,

[0012] At least one pair of butterfly-shaped gaskets is sleeved on the screw rod of the test bolt and clamped between the test nut and the nut cap of the test bolt, each butterfly-shaped gasket is bowl-shaped to apply upward force to the test bolt.

[0013] The servo tightening shaft test base, the top of the tester is provided with a plurality of upward extending limiting columns, the plurality of limiting columns surround the butterfly-shaped gasket in a ring shape, and the butterfly-shaped gasket is limited.

[0014] The servo tightening shaft test base, the outer diameter of the butterfly-shaped gasket is greater than the outer diameter of the nut of the test bolt.

[0015] The servo tightening shaft test base, the inner side of the ring of the uppermost butterfly-shaped gasket abuts against the nut of the test bolt, and the inner side of the ring of the lowermost butterfly-shaped gasket abuts against the test nut.

[0016] The servo tightening shaft test base, the base comprises:

[0017] The transverse adjusting block is provided with a transverse adjusting hole extending in a transverse direction, and the transverse adjusting hole is used for screwing a screw to be threadedly connected with the servo tightening shaft mounting table.

[0018] The longitudinal adjusting block is connected between the transverse adjusting block and the tester, and is provided with a longitudinal adjusting hole extending in a longitudinal direction, and the longitudinal adjusting hole is used for screwing a screw to be threadedly connected with the transverse adjusting block.

[0019] The servo tightening shaft test base, the upper surface of the transverse adjusting block is provided with a longitudinal guide groove, and the longitudinal adjusting block is movably arranged in the longitudinal guide groove in a longitudinal direction.

[0020] The servo tightening shaft test base, the longitudinal adjusting block is provided with a limiting groove, and the tester is arranged in the limiting groove.

[0021] The servo tightening shaft test base, the tester is detachably connected with the longitudinal adjusting block, and the tester is a torque meter base or an aging test seat.

[0022] Another technical scheme of the utility model provides:

[0023] A comprehensive test device comprises:

[0024] A servo tightening shaft mounting table; and

[0025] The servo tightening shaft test base, the base is mounted to the servo tightening shaft mounting table.

[0026] The utility model discloses a comprehensive testing device, servo tightening shaft installation platform including bottom plate, stand and floating plate, the bottom of stand is fixed on bottom plate, and extends upwards, floating plate is along vertical movable joint in stand, is used for installing servo tightening shaft, be provided with horizontal direction guide groove on bottom plate, base is along horizontal direction and is set up in horizontal direction guide groove.

[0027] Compared with the prior art, the servo tightening shaft test base and the comprehensive testing device have the beneficial effects that: when the servo tightening shaft is tested, the pair of butterfly washers are clamped between the nut and the bolt cap of the test nut and the test bolt, the butterfly washers store a certain pressure through deformation, when the servo tightening shaft drives the test bolt to rotate out of the test nut, the butterfly washers release the pressure and exert an upward force on the test bolt, the test bolt is conveniently loosened and rotated out of the test nut, and the test efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following briefly introduces the drawings needed to be used in the embodiments, and the drawings in the following description are only corresponding drawings of some embodiments of the utility model.

[0029] Figure 1 The structure diagram of the comprehensive testing device provided by the preferred embodiment of the utility model is shown in the figure, and the servo tightening shaft is also shown.

[0030] Figure 2 The structure diagram of the servo tightening shaft test base provided by the preferred embodiment of the utility model is shown in the figure.

[0031] Figure 3 The exploded structure diagram of the servo tightening shaft test base provided by the preferred embodiment of the utility model is shown in the figure.

[0032] Figure 4 The cross-sectional structure diagram of the servo tightening shaft test base provided by the preferred embodiment of the utility model is shown in the figure.

[0033] Figure 5 The structure diagram of the horizontal adjusting block of the servo tightening shaft test base provided by the preferred embodiment of the utility model is shown in the figure.

[0034] Figure 6 The structure diagram of the longitudinal adjusting block of the servo tightening shaft test base provided by the preferred embodiment of the utility model is shown in the figure.

[0035] Figure 7 The structure diagram of the servo tightening shaft installation platform of the comprehensive testing device provided by the preferred embodiment of the utility model is shown in the figure, and the servo tightening shaft is also shown.

[0036] Wherein,

[0037] 100, servo tightening shaft,

[0038] 1, servo tightening shaft test base,

[0039] 11, base, 111, transverse adjustment block, 1111, transverse adjustment hole, 1112, longitudinal guide groove, 112, longitudinal adjustment block, 1121, longitudinal adjustment hole, 1122, limiting groove,

[0040] 12, tester, 121, limiting column,

[0041] 13, test nut,

[0042] 14, test bolt,

[0043] 15, butterfly gasket,

[0044] 2, servo tightening shaft installation platform,

[0045] 21, bottom plate, 211, transverse guide groove,

[0046] 22, column,

[0047] 23, floating plate.

[0048] In the drawings, similar elements are denoted by the same reference numerals. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0050] The direction terms mentioned in the present application, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", "top" and "bottom", are only the orientation of the drawings. The direction terms are used to explain and understand the present application, and are not used to limit the present application.

[0051] The terms "first", "second" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and are not limited as the order of priority.

[0052] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through the indirect connection of intermediate medium, can be the communication or the interaction of two elements of two elements inside.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0053] The servo tightening shaft test base in the prior art, when testing the servo tightening shaft, the servo tightening shaft drives the test bolt to rotate into the test nut and tighten, and then the servo tightening shaft is not easy to drive the test bolt to rotate out of the test nut, which affects the test efficiency.

[0054] The following is a preferred embodiment of a comprehensive test device provided by the utility model to solve the above technical problems.

[0055] Please refer to Figure 1 The utility model preferred embodiment provides a kind of comprehensive test device, it includes servo tightening shaft installation platform 2 and servo tightening shaft test base 1.

[0056] Please refer to Figure 2 、 Figure 3 And Figure 4 Servo tightening shaft test base 1 includes pedestal 11, tester 12, test nut 13, test bolt 14 and at least a pair of butterfly gasket 15.Pedestal 11 is installed to servo tightening shaft installation platform 2.Tester 12 is set on pedestal 11, for testing the performance of servo tightening shaft 100.Test nut 13 is set in the nut seat of tester 12.Test bolt 14 is threadedly connected to test nut 13, for connecting servo tightening shaft 100.Butterfly gasket 15 is sleeved on the screw rod of test bolt 14, and is clamped between test nut 13 and the nut of test bolt 14, each butterfly gasket 15 is bowl-shaped, to exert upward force on test bolt 14.

[0057] The servo tightening shaft test base 1 and comprehensive test device of the utility model, when testing servo tightening shaft 100, after servo tightening shaft 100 drives test bolt 14 to rotate into test nut 13 and tighten, the pair of butterfly gasket 15 is clamped between test nut 13 and the nut of test bolt 14, butterfly gasket 15 stores certain pressure by deformation, when servo tightening shaft 100 drives test bolt 14 to rotate out of test nut 13, butterfly gasket 15 releases pressure, and exerts upward force on test bolt 14, to facilitate test bolt 14 to unscrew and rotate out of test nut 13, effectively improve test efficiency.

[0058] Please refer to Figure 2The top of the tester 12 is provided with multiple upward-extending limiting posts 121, which form a ring around the butterfly gasket 15 to limit the movement of the butterfly gasket 15. The multiple limiting posts 121 can ensure that the butterfly gasket 15 is concentric after deformation, thereby ensuring that the test bolt 14 can be screwed vertically into the test nut 13.

[0059] Please refer to Figure 4 The outer diameter of the butterfly washer 15 is larger than the outer diameter of the nut of the test bolt 14, so that the nut of the test bolt 14 will not contact the limiting post 121, so as to prevent the limiting post 121 from interfering with the test bolt 14.

[0060] Please continue to refer to Figure 4 The inner side of the ring of the uppermost butterfly washer 15 abuts against the nut of the test bolt 14, and the inner side of the ring of the lowermost butterfly washer 15 abuts against the test nut 13. With the above structure, the uppermost butterfly washer 15 and the lowermost butterfly washer 15 are easy to deform.

[0061] Please refer to Figure 2 , Figure 5 and Figure 6 The base 11 includes a lateral adjustment block 111 and a longitudinal adjustment block 112. The lateral adjustment block 111 is provided with a lateral adjustment ( Figure 1 A lateral adjustment hole 1111 extending in the x-direction is provided for a screw to pass through and threadedly connect with the servo tightening shaft mounting table 2. A longitudinal adjustment block 112 is connected between the lateral adjustment block 111 and the tester 12, and the longitudinal adjustment block 112 is provided with a longitudinal adjustment hole 1121 extending in the longitudinal direction. Figure 1 (in the y direction), the longitudinal adjustment hole 1121 is used for the screw to pass through and be threaded to the transverse adjustment block 111, and the tester 12 is connected to the longitudinal adjustment block 112. By moving the transverse adjustment block 111 and the longitudinal adjustment block 112, the test bolt 14 and the servo tightening shaft 100 can be made to be on the same axis.

[0062] Please refer to Figure 2 and Figure 5 The upper surface of the lateral adjusting block 111 is provided with a longitudinal guide groove 1112, and the longitudinal adjusting block 112 is movably disposed in the longitudinal guide groove 1112. The longitudinal guide groove 1112 can guide the longitudinal movement of the longitudinal adjusting block 112.

[0063] Please refer to Figure 2 and Figure 6 The longitudinal adjustment block 112 is provided with a limiting groove 1122, and the tester 12 is set in the limiting groove 1122. When the longitudinal adjustment block 112 and the tester 12 are connected by screws, the limiting groove 1122 can prevent the tester 12 from shifting, which facilitates operation.

[0064] Please refer to Figure 2 and Figure 3 The tester 12 is detachably connected to the longitudinal adjusting block 112, and the tester 12 is a torque meter base or an aging test base. When it is needed to test the performance of the servo tightening shaft 100 in different aspects, only the corresponding tester 12 needs to be replaced. Compared with the tester 12 being fixedly connected to the longitudinal adjusting block 112, the position of the longitudinal adjusting block 112 needs to be adjusted every time the tester 12 is replaced, and the trouble is avoided.

[0065] Please refer to Figure 7 The servo tightening shaft mounting table 2 comprises a bottom plate 21, a column 22 and a floating plate 23. The bottom end of the column 22 is fixed to the bottom plate 21 and extends upward. The floating plate 23 is movably connected to the column 22 in the vertical direction and is used for mounting the servo tightening shaft 100. The bottom plate 21 is provided with a transverse guide groove 211, and the base 11 is arranged in the transverse guide groove 211 in the transverse direction. The transverse guide groove 211 can guide the transverse movement of the base 11.

[0066] The use method of the comprehensive test device of the preferred embodiment of the utility model:

[0067] The servo tightening shaft 100 is mounted on the floating plate 23, and the transverse adjusting block 111 and the longitudinal adjusting block 112 are moved to realize that the test bolt 14 and the servo tightening shaft 100 are on the same axis.

[0068] The servo tightening shaft 100 is started to rotate in the positive direction, and the test bolt 14 can be driven to rotate in the positive direction. Under the gravity of the floating plate 23 and the servo tightening shaft 100, the servo tightening shaft 100 moves downward, and the test bolt 14 is screwed into the test nut 13. The pair of butterfly washers 15 are clamped between the test nut 13 and the nut of the test bolt 14, and the butterfly washers 15 store a certain pressure through deformation. After the servo tightening shaft 100 reaches the set torque, the servo tightening shaft 100 is started to rotate in the reverse direction, and the test bolt 14 can be driven to rotate in the reverse direction, so that the test bolt 14 is screwed out of the test nut 13. At this time, the butterfly washers 15 release the pressure and apply an upward force to the test bolt 14, so that the test bolt 14 is easily unscrewed from the test nut 13.

[0069] If the test nut 13 is connected to the torque meter base, the test torque and the calibration torque can be realized. If the test nut 13 is connected to the aging test base, the cycle aging and impact test can be realized.

[0070] Through the above steps, the calibration, test, aging, impact and other tests of the 50-1200NM servo tightening shaft 100 can be realized.

[0071] In this way, the use method of the comprehensive test device of the preferred embodiment is completed.

[0072] The servo tightening shaft test base and the comprehensive test device, when testing the servo tightening shaft, the servo tightening shaft drives the test bolt to rotate into the test nut and tighten, the pair of butterfly washers are clamped between the screw cap of the test nut and the test bolt, the butterfly washers store a certain pressure through deformation, when the servo tightening shaft drives the test bolt to rotate out of the test nut, the butterfly washers release the pressure and apply upward force to the test bolt, the test bolt is conveniently loosened and rotated out of the test nut, and the test efficiency is effectively improved.

[0073] To sum up, although the utility model has disclosed above with preferred embodiment, the protection scope of the utility model is not limited to this, any skilled person in the art in the utility model disclosed technical range, according to the conception of the utility model technical scheme is equivalent to replace or change, all should be covered in the protection scope of the utility model.

Claims

1. A servo-tightening spindle test base for mounting to a servo-tightening spindle mounting table for testing the performance of a servo-tightening spindle, characterized in that The test base comprises: a base for mounting on a servo-tightening shaft mounting table; a tester arranged on the base for testing the performance of a servo-tightening shaft; a test nut arranged in a nut seat of the tester; a test bolt threadedly connected to the test nut for connecting a servo-tightening shaft; and at least one pair of butterfly washers sleeved on the screw rod of the test bolt and clamped between the test nut and the nut cap of the test bolt, each of the butterfly washers being bowl-shaped to apply an upward force to the test bolt.

2. The servo-tightening spindle test bench according to claim 1, characterized in that The top of the tester is provided with a plurality of upwardly extending limiting columns arranged in a ring around the butterfly washers for limiting the butterfly washers.

3. The servo-tightening spindle test bench according to claim 2, characterized in that The outer diameter of the butterfly washers is greater than the outer diameter of the nut cap of the test bolt.

4. The servo-tightening spindle test bench of claim 3, wherein, The inner side of the ring of the uppermost butterfly washer abuts against the nut cap of the test bolt, and the inner side of the ring of the lowermost butterfly washer abuts against the test nut.

5. The servo-tightening spindle test bench of claim 1, wherein, The base comprises: a transverse adjusting block provided with a transversely extending transverse adjusting hole for a screw to pass through and be threadedly connected to a servo-tightening shaft mounting table; and a longitudinal adjusting block connected between the transverse adjusting block and the tester, the longitudinal adjusting block being provided with a longitudinally extending longitudinal adjusting hole for a screw to pass through and be threadedly connected to the transverse adjusting block, and the tester being connected to the longitudinal adjusting block.

6. The servo-tightening spindle test bench of claim 5, wherein, The upper surface of the transverse adjusting block is provided with a longitudinal guide groove, and the longitudinal adjusting block is movably arranged in the longitudinal guide groove in the longitudinal direction.

7. The servo-tightening spindle test bench of claim 5, wherein, The longitudinal adjusting block is provided with a limiting groove, and the tester is arranged in the limiting groove.

8. The servo-tightening spindle test bench of claim 5, wherein, The tester is detachably connected to the longitudinal adjusting block, and the tester is a torque meter base or an aging test seat.

9. An integrated test apparatus, characterized by, The test base comprises: a servo-tightening shaft mounting table; and the servo-tightening shaft test base of any one of claims 1-8, the base being mounted on the servo-tightening shaft mounting table.

10. The integrated test apparatus of claim 9, wherein The servo-tightening shaft mounting table comprises a base plate, a stand and a floating plate; the bottom end of the stand is fixed to the base plate and extends upward; the floating plate is movably connected to the stand in the vertical direction for mounting a servo-tightening shaft; and the base plate is provided with a transverse guide groove, and the base is arranged in the transverse guide groove in the transverse direction.