Automobile clutch diaphragm spring high pressure load testing machine

By designing a hydraulic cylinder-driven diaphragm spring pressure load test machine, the problem of low detection efficiency of existing equipment is solved, and the pressure load test on both sides of the diaphragm spring is realized, which improves the detection efficiency.

CN222671387UActive Publication Date: 2025-03-25NANTONG DIBEIDE PRECISION ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421140230.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-03-25
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing diaphragm spring detection equipment has low detection efficiency and requires unloading and rotating the diaphragm spring to detect the other side, resulting in cumbersome detection steps.

Method used

A pressure-load test machine for diaphragm spring for automotive clutch is designed. The hydraulic cylinder drives the connecting plate downward and rise, and drives the pusher to conduct pressure-load tests on both sides of the diaphragm spring without unloading and rotating the diaphragm spring.

Benefits of technology

Improve inspection efficiency, simplify inspection steps, and reduce the workload of operators.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222671387U_ABST
    Figure CN222671387U_ABST
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Abstract

The utility model relates to an automobile clutch diaphragm spring high pressure load testing machine comprising a rack, the front side of the rack is hinged with a door plate through a hinge, and one side of the rack is provided with a control panel; a detection piece is arranged on the rack; the detection part comprises a supporting frame with one end fixedly connected with the inner bottom wall of the rack, the upper end of the supporting frame is fixedly connected with a supporting table, and the inner side of the supporting frame is slidably connected with a connecting frame with one end penetrating through the supporting table. According to the automobile clutch diaphragm spring high-pressure load testing machine, when the hydraulic cylinder drives the connecting plate to move downwards, the pushing head on the connecting plate can be driven to move downwards so as to carry out a high-pressure load test on one surface of the fixed diaphragm spring, and in the ascending process of the connecting plate, the pushing head on the bottom mounting plate can be driven to move upwards through the telescopic rod, so that the high-pressure load test is carried out on one surface of the diaphragm spring. And an operator does not need to unload the diaphragm spring to adjust the orientation, so that the detection efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of diaphragm spring strong test equipment, in particular to a strong pressure load test machine for a diaphragm spring of an automobile clutch. Background Art

[0002] The clutch is located in the flywheel housing between the engine and the gearbox. The clutch assembly is fixed to the rear plane of the flywheel with screws. The output shaft of the clutch is the input shaft of the gearbox. During the driving process of the car, the driver can step on or release the clutch pedal as needed to temporarily separate and gradually engage the engine and the gearbox to cut off or transfer the power input from the engine to the transmission. The clutch is a common component in mechanical transmission and can separate or engage the transmission system at any time.

[0003] The diaphragm spring is a key component in the automobile clutch. It has a small axial dimension, nonlinear elastic characteristics, and is labor-saving to operate. It is widely used in the clutch industry. The clamping force and separation force characteristics of the clutch during operation, as well as the pressure plate lift when the clutch is separated, are directly related to the characteristics of the diaphragm spring. The quality of its characteristics directly affects the working performance of the clutch.

[0004] Therefore, testing the diaphragm spring after its production is an indispensable step. Now there are few such testing equipment. Some of the testing equipment are too expensive and not suitable for small and medium-sized enterprises. Moreover, they can only test the high pressure load on one side of the test. When testing the other side, it is also necessary to unload the diaphragm spring, turn the diaphragm spring direction and reload it, which makes the testing steps cumbersome and affects the testing efficiency. Therefore, a high pressure load testing machine for automobile clutch diaphragm spring is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a vehicle clutch diaphragm spring high pressure load testing machine, which has the advantages of improving detection efficiency and solves the problem of poor detection efficiency.

[0006] To achieve the above object, the utility model provides the following technical solutions: an automobile clutch diaphragm spring strong pressure load tester, comprising a frame, a door panel is hinged to the front of the frame through a hinge, and a control panel is arranged on one side of the frame;

[0007] The frame is provided with a detection element;

[0008] The detection member includes a support frame with one end fixedly connected to the inner bottom wall of the frame, the upper end of the support frame is fixedly connected to the support platform, the inner side of the support frame is slidably connected to a connecting frame with one end penetrating the support platform, the upper end of the frame is fixedly installed with a hydraulic cylinder with one end penetrating the frame, the output end of the hydraulic cylinder is fixedly connected with a connecting plate, the lower end of the connecting plate and the upper end of the connecting frame are both fixedly connected with a mounting plate, push heads are fixedly installed on the two mounting plates, and the lower end of the connecting plate is fixedly connected with a telescopic rod with one end penetrating the support frame and fixedly connected to the connecting frame;

[0009] The support platform is provided with a fixing piece for limiting and fixing the diaphragm spring.

[0010] Furthermore, a through hole located outside the bottom mounting plate is opened inside the support platform, and the connecting frame is T-shaped.

[0011] Furthermore, a slider having one end extending into the interior of the frame is fixedly connected to the outer side of the connecting plate, and a sliding groove located outside the sliding groove is provided on the inner side wall of the frame, and the sliding groove is slidably connected to the sliding groove.

[0012] Furthermore, the inner side wall of the support frame is provided with a through hole located outside the telescopic rod, and the through hole is in the shape of an elongated strip.

[0013] Furthermore, the fixing part includes two placing blocks, one end of which is fixedly connected to the upper end of the support platform, a clamping block is placed on the upper end of the placing block, and the clamping block and the side of the placing block away from the pushing head are fixedly connected to a connecting block, and the outer side of the connecting block is threadedly connected to a fixing ring.

[0014] Furthermore, the clamping block and the placing block are provided with fixing grooves on one side close to the push head, the connecting block is semicircular, the outer side of the connecting block is provided with an external thread, the inner circumferential wall of the fixing ring is provided with an internal thread, and the internal thread and the external thread cooperate with each other.

[0015] Furthermore, the telescopic rod is composed of a sleeve and a sliding rod sliding in the sleeve, the sliding rod has a T-shaped end located on the inner side of the sleeve, and the other end thereof passes through and extends to the outer side of the sleeve and is fixedly connected to the connecting frame, the sliding rod has an L-shaped end located on the outer side of the sleeve, and the sleeve is fixedly connected to the connecting plate.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] The automobile clutch diaphragm spring high-pressure load testing machine can drive the push head on the connecting plate to move downward to perform a high-pressure load test on one side of the fixed diaphragm spring when the hydraulic cylinder drives the connecting plate to move downward. When the connecting plate is rising, it can also drive the push head on the bottom mounting plate to move upward through the telescopic rod to perform a high-pressure load test on the other side of the diaphragm spring without the operator unloading the diaphragm spring to adjust the direction, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a front cross-sectional view of the overall structure of the utility model;

[0020] Figure 3 This is a three-dimensional diagram of the fixing structure of the utility model.

[0021] In the figure: 1 frame, 2 door panel, 3 control panel, 4 detection part, 41 support frame, 42 mounting plate, 43 connecting frame, 44 support platform, 45 fixing part, 451 placement block, 452 clamping block, 453 fixing ring, 454 connecting block, 46 telescopic rod, 47 push head, 48 connecting plate, 49 hydraulic cylinder. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-2 , a vehicle clutch diaphragm spring strong pressure load tester in this embodiment includes a frame 1, a door panel 2 is hinged to the front of the frame 1 through a hinge, and a control panel 3 is arranged on one side of the frame 1;

[0024] A detection member 4 is provided on the frame 1;

[0025] The detection member 4 includes a support frame 41 having one end fixedly connected to the inner bottom wall of the frame 1, the upper end of the support frame 41 is fixedly connected to a support platform 44, the inner side of the support frame 41 is slidably connected to a connecting frame 43 having one end penetrating the support platform 44, a hydraulic cylinder 49 having one end penetrating the frame 1 is fixedly installed on the upper end of the frame 1, a connecting plate 48 is fixedly connected to the output end of the hydraulic cylinder 49, the lower end of the connecting plate 48 and the upper end of the connecting frame 43 are both fixedly connected to a mounting plate 42, push heads 47 are fixedly installed on the two mounting plates 42, and the lower end of the connecting plate 48 is fixedly connected to a telescopic rod 46 having one end penetrating the support frame 41 and fixedly connected to the connecting frame 43.

[0026] In this embodiment, when the hydraulic cylinder 49 drives the connecting plate 48 to move downward, it can drive the push head 47 on the connecting plate 48 to move downward to perform a high pressure load test on one side of the fixed diaphragm spring. During the rising process of the connecting plate 48, it can also drive the push head 47 on the bottom mounting plate 42 to move upward through the telescopic rod 46 to perform a high pressure load test on the other side of the diaphragm spring without the operator unloading the diaphragm spring to adjust the direction, thereby improving the detection efficiency.

[0027] A through hole is provided inside the support platform 44 and is located outside the bottom mounting plate 42 . The connecting frame 43 is T-shaped so that the connecting frame 43 can be connected to the telescopic rod 46 and can slide up and down stably inside the support frame 41 .

[0028] In addition, a slider having one end extending to the inside of the frame 1 is fixedly connected to the outer side of the connecting plate 48, and a sliding groove located outside the slider is provided on the inner side wall of the frame 1. The sliding groove is slidably connected to the slider, so that the connecting plate 48 driven by the hydraulic cylinder 49 can move up and down stably in the frame 1.

[0029] Secondly, a through hole is formed on the inner wall of the support frame 41 and is located outside the telescopic rod 46 . The through hole is in the shape of a long strip, so that the telescopic rod 46 has space to move up and down through one end of the support frame 41 .

[0030] Then, the telescopic rod 46 is composed of a sleeve and a sliding rod sliding in the sleeve. The end of the sliding rod located on the inner side of the sleeve is T-shaped, and the other end thereof passes through and extends to the outside of the sleeve and is fixedly connected to the connecting frame 43. The end of the sliding rod located on the outside of the sleeve is L-shaped, and the sleeve is fixedly connected to the connecting plate 48, so that when the connecting plate 48 contacts or stretches the telescopic rod 46 during movement, the telescopic rod 46 can be extended and retracted.

[0031] It should be noted that there are several push heads 47, which are equidistantly distributed in a ring shape on the mounting plate 42, and a load sensor for detecting a strong pressure load is embedded in the push head 47. The load sensor can be embedded in one end of the push head 47 that contacts the diaphragm spring, and the load sensor is electrically connected to the control panel 3 to transmit and display the load value. At the same time, the load sensor is an existing conventional sensor, and its specific operating principle and structural distribution are existing conventional technical means, which will not be repeated in the text.

[0032] See also Figure 2-3 In this embodiment, the fixing member 45 includes two placing blocks 451, one end of which is fixedly connected to the upper end of the support platform 44, a clamping block 452 is placed on the upper end of the placing block 451, and the clamping block 452 and the side of the placing block 451 away from the push head 47 are fixedly connected with a connecting block 454, and the outer side of the connecting block 454 is threadedly connected with a fixing ring 453.

[0033] In this embodiment, the diaphragm spring is placed in the fixed groove on the placement block 451, the clamping block 452 is placed, and then the two connecting blocks 454 are fixed by the fixing ring 453, and then the diaphragm spring is fixed in the fixed groove by the placement block 451 and the clamping block 452.

[0034] The clamping block 452 and the placing block 451 are both provided with fixing grooves on one side close to the push head 47. The connecting block 454 is semicircular, and an external thread is provided on the outer side of the connecting block 454. The inner wall of the fixing ring 453 is provided with an internal thread, and the internal thread and the external thread cooperate with each other.

[0035] The working principle of the above embodiment is:

[0036] Since the connecting plate 48 can be driven by the hydraulic cylinder 49 to move up and down, and the telescopic rod 46 can be telescoped on the connecting plate 48, and the end of the telescopic rod 46 connected to the connecting frame 43 can move up and down on the support frame 41, and at the same time drive the connecting frame 43 to move together, when the hydraulic cylinder 49 drives the connecting plate 48 to move downward, it can drive the push head 47 on the connecting plate 48 to move downward to perform a strong pressure load test on one side of the fixed diaphragm spring, and during the rising process of the connecting plate 48, the telescopic rod 46 can also drive the push head 47 on the bottom mounting plate 42 to move upward to perform a strong pressure load test on the other side of the diaphragm spring, without the operator having to unload the diaphragm spring to adjust the direction, thereby improving the detection efficiency.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle clutch diaphragm spring high pressure load testing machine, comprising a frame (1), characterized in that: A door panel (2) is hingedly connected to the front of the frame (1), and a control panel (3) is arranged on one side of the frame (1); The frame (1) is provided with a detection component (4); The detection member (4) comprises a support frame (41) having one end fixedly connected to the inner bottom wall of the frame (1); the upper end of the support frame (41) is fixedly connected to a support platform (44); the inner side of the support frame (41) is slidably connected to a connecting frame (43) having one end penetrating the support platform (44); the upper end of the frame (1) is fixedly mounted with a hydraulic cylinder (49) having one end penetrating the frame (1); the output end of the hydraulic cylinder (49) is fixedly connected with a connecting plate (48); the lower end of the connecting plate (48) and the upper end of the connecting frame (43) are both fixedly connected with a mounting plate (42); push heads (47) are fixedly mounted on the two mounting plates (42); the lower end of the connecting plate (48) is fixedly connected with a telescopic rod (46) having one end penetrating the support frame (41) and fixedly connected to the connecting frame (43); The support platform (44) is provided with a fixing member (45) for limiting and fixing the diaphragm spring.

2. The automobile clutch diaphragm spring strong pressure load testing machine according to claim 1, characterized in that: A through hole located outside the bottom mounting plate (42) is provided inside the support platform (44), and the connecting frame (43) is T-shaped.

3. The automobile clutch diaphragm spring strong pressure load testing machine according to claim 1, characterized in that: A sliding block having one end extending into the interior of the frame (1) is fixedly connected to the outer side of the connecting plate (48); a sliding groove located outside the sliding block is formed on the inner side wall of the frame (1); and the sliding groove is slidably connected to the sliding block.

4. The automobile clutch diaphragm spring strong pressure load testing machine according to claim 1, characterized in that: The inner side wall of the support frame (41) is provided with a through hole located outside the telescopic rod (46), and the through hole is in the shape of a long strip.

5. The automobile clutch diaphragm spring strong pressure load testing machine according to claim 1, characterized in that: The fixing member (45) comprises two placing blocks (451) one end of which is fixedly connected to the upper end of the support platform (44); a clamping block (452) is placed on the upper end of the placing block (451); a connecting block (454) is fixedly connected to the side of the clamping block (452) and the placing block (451) away from the pusher head (47); and a fixing ring (453) is threadedly connected to the outer side of the connecting block (454).

6. The automobile clutch diaphragm spring strong pressure load testing machine according to claim 5, characterized in that: The clamping block (452) and the placing block (451) are both provided with fixing grooves on one side close to the push head (47); the connecting block (454) is semicircular; an outer side of the connecting block (454) is provided with an external thread; an inner peripheral wall of the fixing ring (453) is provided with an internal thread; the internal thread and the external thread cooperate with each other.

7. The automobile clutch diaphragm spring strong pressure load testing machine according to claim 1, characterized in that: The telescopic rod (46) is composed of a sleeve and a sliding rod sliding in the sleeve. The end of the sliding rod located on the inner side of the sleeve is T-shaped, and the other end thereof passes through and extends to the outer side of the sleeve and is fixedly connected to the connecting frame (43). The end of the sliding rod located on the outer side of the sleeve is L-shaped, and the sleeve is fixedly connected to the connecting plate (48).