Detection device for steel plate spring

By designing a coil positioning component and an electric telescopic rod that can adapt to different coil diameters, the problem of leaf springs swaying during testing was solved, and stable testing of leaf springs of various specifications was achieved.

CN223727401UActive Publication Date: 2025-12-26QINGDAO XINGQUAN AUTO PARTS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520321497.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2025-12-26
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

In the existing technology, the gap between the locating pin and the inner wall of the leaf spring lug is relatively large, causing the leaf spring to wobble during the testing process and affecting the testing results.

Method used

A testing device for leaf springs was designed, comprising a processing table, a coil ear positioning assembly, an electric telescopic rod, and a pressure head. The coil ear positioning assembly is adapted to different coil ear diameters, and the electric telescopic rod and pressure head are used for fixing and testing. The sliding connection and adjustment mechanism of the support base enable multi-specification adaptation.

Benefits of technology

This technology enables the effective fixing and testing of steel leaf springs of different specifications, improving the accuracy and stability of the testing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223727401U_ABST
    Figure CN223727401U_ABST
Patent Text Reader

Abstract

The utility model provides a detection device for a steel plate spring, which belongs to the technical field of steel plate springs, and is provided with a processing table, a detection assembly is arranged at the rear end of the processing table, the detection assembly comprises an electric telescopic rod and a pressure head fixedly arranged at the end part of the movable end of the electric telescopic rod, and a pressure sensor is arranged on the pressure head; two supporting seats are arranged at the front end of the machining table, the left supporting seat is slidably connected to the machining table, the right supporting seat is fixedly connected to the machining table, and spring eye positioning assemblies are arranged at the rear ends of the supporting seats; the spring eye positioning assembly comprises a mounting box, a driving bevel gear is rotationally connected to the front wall of the mounting box, and a group of adjusting mechanisms are distributed on each of the periphery of the mounting box; the utility model is used for solving the technical problem that if a large gap exists between a positioning pin and the inner wall of a spring eye, a plate spring shakes in the detected process, and the detection effect is influenced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steel plate spring, specifically relates to a detection device for steel plate spring. BACKGROUND

[0002] The steel plate spring is a widely used suspension elastic element on traditional automobiles, which is a bearing element of the suspension and a guiding device of the suspension, and the friction between the spring pieces also plays a damping role.

[0003] The utility model discloses a plate spring detection clamp, including the installation board that is symmetrical left and right, be provided with positive and negative screw between the installation board, and one end of positive and negative screw is rotated and is connected with first motor through the installation board, and the other end of positive and negative screw is rotated and is connected with the installation board through the bearing, and the positive rotation thread section and the reverse rotation thread section are respectively equipped with the sliding seat, and the upper portion of each sliding seat is fixed with the limit block, and each limit block is provided with the positioning pin.

[0004] Since the ear sizes of different specifications of the plate spring are different, the above patent fixes the plate spring by inserting the positioning pin into the ear, and if there is a large gap between the positioning pin and the inner wall of the ear, the plate spring will shake during detection, affecting the detection effect. UTILITY MODEL CONTENTS

[0005] The utility model provides a detection device for steel plate spring for solving the technical problem that if there is a large gap between the positioning pin and the inner wall of the ear, the plate spring will shake during detection, affecting the detection effect.

[0006] The utility model is realized as follows:

[0007] The utility model provides a detection device for steel plate spring, has the machining table, the rear end of machining table is equipped with detection component, detection component includes electric telescopic handle and the pressure head of fixed installation in the movable end end part of electric telescopic handle, be equipped with pressure sensor on the pressure head.

[0008] Wherein, the front end of machining table is equipped with two support seat, left side support seat is connected on the machining table slidingly, right side support seat is fixedly connected on the machining table, and the rear end of support seat is equipped with ear positioning component.

[0009] On the basis of the above technical scheme, the detection device for steel plate spring of the utility model can also be improved as follows:

[0010] Further, the left end of the machining table is provided with a horizontally arranged sliding groove A, and a moving block A is slidably connected in the sliding groove A. The top end of the moving block A is fixedly installed on the left support seat.

[0011] Further, the roll ear positioning assembly comprises a mounting box, a driving motor is fixedly installed in the support seat, an output shaft of the driving motor extends rearward and is connected with the middle of the mounting box;

[0012] A driving bevel gear is rotationally connected to the front wall of the mounting box, and a set of adjusting mechanisms are distributed around the mounting box.

[0013] Further, the adjusting mechanism further comprises a driven bevel gear rotationally connected to the middle of the side wall of the mounting box, and the driving bevel gear is meshingly connected with the driven bevel gear.

[0014] One end of a screw rod is fixedly installed at the outer end of the driven bevel gear, a sliding block is threadedly connected to the outer circumferential surface of the screw rod, and an abutting column is fixedly installed in the middle of the rear wall of the sliding block.

[0015] Further, the adjusting mechanism further comprises a U-shaped plate fixedly installed on the outer side wall of the mounting box, the other end of the screw rod is rotationally connected to the short plate of the U-shaped plate, and the outer side wall of the sliding block abuts against the inner side wall of the long plate of the U-shaped plate.

[0016] Further, the processing table is further provided with a sliding groove B at the rear end of the sliding groove A, and a moving block B is slidably connected in the sliding groove B.

[0017] The detection assembly further comprises a support frame fixedly installed on the moving block B and in an inverted L-shaped structure, and the movable end of the electric telescopic rod is fixedly installed on the support frame.

[0018] Compared with the prior art, the detection device for the steel plate spring has the following advantages:

[0019] The roll ear positioning assembly can be adapted to steel plate springs with various diameters of roll ears, and the whole steel plate spring is fixed through positioning of the roll ear.

[0020] The support seat slidably connected can adjust the distance between the two roll ear positioning assemblies under the action of the moving block A, the telescopic cylinder A and the like, so as to be applicable to steel plate springs with various sizes.

[0021] The support frame slidably connected can adjust the detection position according to the height and length of the steel plate spring. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. 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 the present application.

[0023] Figure 1 It is a front view of the overall structure of the detection device for a steel plate spring.

[0024] Figure 2 It is a side view of Figure 1 .

[0025] Figure 3 It is a rear view of the eyelet positioning assembly of the detection device for a steel plate spring.

[0026] Figure 4 It is an isometric view of Figure 3 .

[0027] In the drawings, the component list represented by each reference numeral is as follows:

[0028] 1, processing table; 11, sliding chute A; 12, moving block A; 13, telescopic cylinder A; 14, sliding chute B; 15, moving block B; 16, telescopic cylinder B; 2, support seat; 20, driving motor; 21, eyelet positioning assembly; 22, mounting box; 23, driving bevel gear; 24, driven bevel gear; 25, lead screw; 26, sliding block; 27, U-shaped plate; 3, abutting column; 4, support frame; 41, electric telescopic rod; 42, pressure head. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions 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 the present application.

[0030] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. 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 the present application.

[0031] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0032] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Example 1

[0034] like Figures 1-4 As shown, this utility model provides a testing device for steel leaf springs, which has a processing table 1. The rear end of the processing table 1 is provided with a testing component. The testing component includes an electric telescopic rod 41 and a pressure head 42 fixedly installed at the movable end of the electric telescopic rod 41. A pressure sensor is provided on the pressure head 42.

[0035] The front end of the processing table 1 is provided with two support seats 2. The left support seat 2 is slidably connected to the processing table 1, and the right support seat 2 is fixedly connected to the processing table 1. The rear end of each support seat 2 is provided with a rolling ear positioning component 21.

[0036] Optionally, in the above technical solution, the left end of the processing table 1 is provided with a horizontally arranged slide groove A11, and a movable block A12 is slidably connected in the slide groove A11. The top end of the movable block A12 is fixedly installed on the left support seat 2.

[0037] Optionally, in the above technical solution, the ear-rolling positioning assembly 21 includes a mounting box 22, and a drive motor 20 is fixedly installed in the support base 2. The output axis of the drive motor 20 extends rearward and its end is connected to the middle of the mounting box 22.

[0038] The front wall of the mounting box 22 is rotatably connected to the drive bevel gear 23, and a set of adjustment mechanisms are distributed around the perimeter of the mounting box 22.

[0039] Optionally, in the above technical scheme, the adjusting mechanism further comprises a driven bevel gear 24 rotatably connected to the middle part of the side wall of the mounting box 22, and the driving bevel gear 23 is in meshing connection with the driven bevel gear 24.

[0040] The outer end of the driven bevel gear 24 is fixedly installed with one end of a lead screw 25, and a sliding block 26 in screw connection with the outer circumferential surface of the lead screw 25 is sleeved on the outer circumferential surface of the lead screw 25. The rear wall of the sliding block 26 is fixedly installed with an abutting column 3.

[0041] Optionally, in the above technical scheme, the adjusting mechanism further comprises a U-shaped plate 27 fixedly installed on the outer side wall of the mounting box 22, and the other end of the lead screw 25 is rotatably connected to the short plate of the U-shaped plate 27. The outer side wall of the sliding block 26 is in abutment with the inner side wall of the long plate of the U-shaped plate 27.

[0042] Optionally, in the above technical scheme, a sliding groove B14 is further formed on the processing table 1 and located at the rear end of the sliding groove A11, and a moving block B15 is slidably connected in the sliding groove B14.

[0043] The detection assembly further comprises a support frame 4 fixedly installed on the moving block B15 and in an inverted L-shaped structure, and a movable end of an electric telescopic rod 41 is fixedly installed on the support frame 4.

[0044] Further, two telescopic cylinders A13 are fixedly installed in the sliding groove A11, the fixed ends of the telescopic cylinders A13 are respectively on the left side wall and the right side wall of the sliding groove A11, and the movable ends are close to each other.

[0045] Further, a telescopic cylinder B16 is fixedly installed in the sliding groove B14, and the movable end of the telescopic cylinder B16 is fixedly connected with the side wall of the moving block B15.

[0046] The sliding block 26 is a square mechanism, and an inner thread groove matched with the lead screw 25 is formed in the inside of the sliding block 26; the mounting box 22 is a hollow structure.

[0047] In the initial state, the movable ends of the two telescopic cylinders A13 are in a fully contracted state, the moving block A12 can slide in the sliding groove A11 (at this time, the sliding stroke is in the maximum state), and the distance between the abutting column 3 and the mounting box 22 is in the minimum state (i.e., the diameter size formed by the four abutting columns 3 is the smallest).

[0048] According to the size of the steel plate spring to be detected, the position of the moving block A12 is preliminarily adjusted, so that the distance between the two ear positioning assemblies 21 is matched with the distance between the two ears of the steel plate spring. At this time, the ear part of the steel plate spring is sleeved on the corresponding ear positioning assembly 21.

[0049] The four abutting columns 3 of the set of the coil ear positioning assembly 21 abut against the inner wall of the coil ear at the same time, the steel plate spring is positioned by positioning the two coil ears, when the abutting columns 3 abut against the coil ear, the moving block A12 moves slightly, when the abutting columns 3 completely abut against the coil ear, the two telescopic cylinders A13 are started to extend the movable end and clamp the moving block A12, the position of the supporting seat 2 is fixed, and then the steel plate spring is detected.

[0050] The adjusting mode of the abutting columns 3 is that the driving motor 20 is started to drive the driving bevel gear 23 to rotate clockwise, the four driven bevel gears 24 meshed with the driving bevel gear 23 rotate clockwise at the same time, the four lead screws 25 rotate in the same direction, and the sliding blocks 26 move along the U-shaped plates 27 to drive the four abutting columns 3 to move away from the mounting box 22 under the action of the threaded connection.

[0051] The detection mode of the steel plate spring is that the telescopic cylinders B16 are driven to drive the moving blocks B15 to slide along the sliding grooves B14, the supporting frames 4 drive the electric telescopic rods 41 and the pressure heads 42 to move left and right, when the electric telescopic rods 41 are started to drive the pressure heads 42 to move down, the steel plate spring is detected by applying pressure to the steel plate spring.

[0052] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A detection device for steel plate spring, having a processing table (1), the rear end of the processing table (1) is provided with a detection assembly, the detection assembly comprises an electric telescopic rod (41) and a pressure head (42) fixedly installed at the movable end of the electric telescopic rod (41), the pressure head (42) is provided with a pressure sensor; characterized in that The front end of the processing table (1) is provided with two support seats (2), the left support seat (2) is slidingly connected to the processing table (1), and the right support seat (2) is fixedly connected to the processing table (1), and the rear end of the support seat (2) is provided with a lug positioning assembly (21).

2. The device for detecting a steel plate spring according to claim 1, characterized by The left end of the processing table (1) is provided with a transversely arranged sliding groove A (11), and the sliding groove A (11) is slidingly connected with a moving block A (12), and the top end of the moving block A (12) is fixedly installed on the left support seat (2).

3. The device for detecting a steel plate spring according to claim 1, characterized by The lug positioning assembly (21) comprises a mounting box (22), a driving motor (20) is fixedly installed in the support seat (2), and the output shaft of the driving motor (20) extends rearward and is connected with the middle part of the mounting box (22). The front wall of the mounting box (22) is rotatably connected with a driving bevel gear (23), and the periphery of the mounting box (22) is provided with a group of adjusting mechanisms.

4. The device for detecting a steel plate spring according to claim 3, characterized by The adjusting mechanism further comprises a driven bevel gear (24) rotatably connected to the middle part of the side wall of the mounting box (22), and the driving bevel gear (23) is meshedly connected with the driven bevel gear (24). One end of the screw rod (25) is fixedly installed on the outer end of the driven bevel gear (24), the outer circumferential surface of the screw rod (25) is sleeved with a sliding block (26) in threaded connection therewith, and the rear wall of the sliding block (26) is fixedly installed with an abutting column (3).

5. The device for testing a steel plate spring according to claim 4, wherein The adjusting mechanism further comprises a U-shaped plate (27) fixedly installed on the outer side wall of the mounting box (22), the other end of the screw rod (25) is rotatably connected to the short plate of the U-shaped plate (27), and the outer side wall of the sliding block (26) abuts against the inner side wall of the long plate of the U-shaped plate (27).

6. The device for detecting a steel plate spring according to claim 2, characterized by The processing table (1) is further provided with a sliding groove B (14) at the rear end of the sliding groove A (11), and the sliding groove B (14) is slidingly connected with a moving block B (15); The detection assembly further comprises a support frame (4) fixedly installed on the moving block B (15) and in an inverted L-shaped structure, and the movable end of the electric telescopic rod (41) is fixedly installed on the support frame (4).

Citation Information

Patent Citations

  • Clamp for plate spring detection

    CN217442831U