Detection device for plate spring

By designing a symmetrical fixed card structure and a leaf spring detection device for the reinforcement frame, the problems of inconvenient fixing of leaf springs and insufficient structural strength in the prior art are solved, and the convenient fixing and high-strength compressive resistance of the leaf springs are achieved.

CN222964844UActive Publication Date: 2025-06-10SHANDONG SHANTAN AUTO PARTS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422179439.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-06-10
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

The existing leaf spring detection device is inconvenient when fixing and disassembling the leaf spring, and the fixed structure is insufficient in strength, lacking high-strength compressive and deformation resistance.

Method used

A leaf spring detection device including two symmetrical sets of fixed card structures and a reinforcement frame is designed. The fixing card structure secures the leaf spring to the support frame through mounting holes and fasteners, and simplifies the disassembly and assembly process through a removable design. The reinforcement frame and support rod enhance the strength of the overall structure.

Benefits of technology

It realizes convenient fixing and disassembly of the leaf spring, improves the overall strength of the detection device, and has high-strength anti-compression and deformation capabilities.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222964844U_ABST
    Figure CN222964844U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of automobile assembly quality inspection, and discloses a plate spring detection device, which comprises a support base, the upper end of the annular outer side wall of the support base is symmetrically and fixedly connected with two support frames, the separated ends of the two support frames are respectively provided with a group of fixing clamp mechanisms, and the two groups of fixing clamp mechanisms are arranged in a central symmetry manner. The fixed clamping mechanism comprises a fixed clamping base fixedly connected to the outer side wall of the supporting frame and a movable clamping base fixedly installed on the supporting frame through a screw, and installation holes are formed between the front side wall and the rear side wall of the upper end of the fixed clamping base and the front side wall and the rear side wall of the upper end of the movable clamping base. According to the utility model, the two groups of symmetrical fixing clamp structures are arranged, the mounting holes are arranged on the fixing clamp structures, and the fixing clamp structures can be matched with fasteners to limit and fix the to-be-detected plate spring on the support frames at the two sides, and meanwhile, the upper ends of the fixing clamp structures are open, and each group of fixing clamp structures has a detachable structure design; the whole to-be-detected plate spring is convenient to disassemble and assemble on the detection device.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of quality inspection of automobile components, in particular to a detection device for leaf springs. Background Technique

[0002] A leaf spring is a spring composed of a single steel plate or a stack of multiple steel plates. There is friction between the plates of the leaf spring, which has a large buffering and damping capacity and is widely used in the suspensions of automobiles, tractors, and railway vehicles. Common leaf springs include semi-elliptical, elliptical, and one-quarter elliptical, etc. Semi-elliptical leaf springs are mostly used in automobiles and railway vehicles. At present, a detection device for leaf springs is required for quality inspection of leaf springs.

[0003] The utility model with the prior art publication number CN220207283U relates to a detection device for processing steel plate springs. By setting a fixing device, it is convenient to quickly and stably fix steel plate springs of different sizes. Under the action of the pressing device, it is convenient to detect the compressive capacity at different positions of the steel plate springs.

[0004] However, the above device still has the following problems when in use: that is, the fixing structure of its leaf spring structure needs to sequentially pass the leaf spring structure to be detected through two fixing structures, and then press and fix it through the pressing structure. The disassembly and assembly of its leaf spring structure are inconvenient. In addition, its leaf spring fixing structure is a movable structure, and its overall structural strength is general, lacking high-strength compressive and anti-deformation capabilities. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a detection device for leaf springs, which solves the problems raised in the background technique.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solutions: A detection device for leaf springs, including a support base. At the upper end of the outer circumferential side wall of the support base, two support frames are symmetrically and fixedly connected. At each of the two ends where the two support frames are separated, a set of fixed clamping mechanisms is provided. The two sets of fixed clamping mechanisms are arranged in central symmetry. The fixed clamping mechanism includes a fixed clamping seat fixedly connected to the outer side wall of the support frame and a movable clamping seat fastened to the support frame by screws. Installation holes are opened between the front and rear side walls at the upper ends of the fixed clamping seat and the movable clamping seat.

[0009] As a further solution of the present utility model: a fixed base is provided at the bottom of the support base. Installation grooves are formed between the upper and lower side walls at both ends of the fixed base. A support rod is fixedly connected to the center position of the bottom wall of the support base. The bottom wall of the support rod is fixedly connected to the fixed base. One reinforcing frame is fixedly connected to each end of the top wall of the fixed base. The top end of the reinforcing frame is fixedly connected to the support frame on its corresponding side.

[0010] As a further solution of the present utility model: electro-hydraulic cylinders are provided at both ends of the top of the support base. One connecting frame is fixedly connected to each of the front and rear sides of the upper end of the annular outer side wall of the support base. The two connecting frames are fixedly connected to the same mounting frame at the top. The electro-hydraulic cylinders are fixedly connected to both ends of the bottom wall of the mounting frame. A movable shaft is provided at the bottom of the electro-hydraulic cylinder. The movable end at the bottom of the movable shaft is fixedly connected to a pressing block.

[0011] As a further solution of the present utility model: two positioning grooves are symmetrically formed on the outer side walls of the two support frames at the separated ends. Movable clamping seats are slidably connected in the two positioning grooves. A matching hole is formed in the bottom wall of the two support frames at the separated ends and at the position of the positioning groove. The matching hole corresponds to the hole position at the bottom of the movable clamping seat, and a screw is threadedly connected in the corresponding hole positions of the matching hole and the movable clamping seat.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, by providing two sets of symmetric fixed clamping structures with mounting holes formed thereon, the leaf spring to be detected can be limited and fixed on the two support frames by cooperating with fasteners. At the same time, since the upper end of the fixed clamping structure is open and each set of fixed clamping structures has a detachable structure design, the overall disassembly and assembly of the leaf spring to be detected on the detection device are convenient.

[0014] 2. In the present utility model, the support base is connected to the fixed base through a support rod at the bottom. Reinforcing frames are provided on both side walls of the fixed base. Each reinforcing frame supports and reinforces the support frame on its corresponding side at the top. The overall structural strength of the leaf spring fixing structure is good, and it has high compressive and anti-deformation capabilities. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall three-dimensional view of the present utility model;

[0016] Figure 2 is the three-dimensional view of the support structure of the present utility model;

[0017] Figure 3 is the exploded three-dimensional view of the movable components of the support structure of the present utility model.

[0018] In the figure: 1, support base; 2, support frame; 3, fixed clamping seat; 4, movable clamping seat; 5, screw; 6, support rod; 7, fixed base; 8, reinforcement frame; 9, positioning groove; 10, mating hole; 11, connecting frame; 12, mounting frame; 13, electric control hydraulic cylinder; 14, movable shaft; 15, pressing block. Specific implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] It should be noted that the electric control hydraulic cylinder 13 is a prior art and is common knowledge in the technical field, so it will not be elaborated here.

[0021] Please refer to Figures 1 to 3 , in the embodiment of the present invention, the detection device for leaf springs includes a support base 1. At the upper end of the outer circumferential side wall of the support base 1, two support frames 2 are symmetrically and fixedly connected. At each of the two ends of the two support frames 2 away from each other, a set of fixed clamping mechanisms is provided. The two sets of fixed clamping mechanisms are arranged in central symmetry. The fixed clamping mechanism includes a fixed clamping seat 3 fixedly connected to the outer side wall of the support frame 2 and a movable clamping seat 4 fixedly installed on the support frame 2 through a screw 5. Installation holes are opened between the front and rear side walls at the upper ends of the fixed clamping seat 3 and the movable clamping seat 4. There are two sets of symmetrically arranged fixed clamping structures, on which installation holes are opened, which can cooperate with fasteners to limit and fix the leaf spring to be detected on the two support frames 2. At the same time, since the upper end of the fixed clamping structure is open, and each set of fixed clamping structures has a detachable structure design, the leaf spring to be detected is convenient to disassemble and assemble on the detection device.

[0022] A fixed base 7 is arranged at the bottom of the support base 1. Installation grooves are opened between the upper and lower side walls at both ends of the fixed base 7. A support rod 6 is fixedly connected to the center position of the bottom wall of the support base 1. The bottom wall of the support rod 6 is fixedly connected to the fixed base 7. At each end of the top wall of the fixed base 7, a reinforcement frame 8 is fixedly connected. The top end of the reinforcement frame 8 is fixedly connected to the support frame 2 on its corresponding side. The support base 1 is connected to the fixed base 7 through the support rod 6 at the bottom. Reinforcement frames 8 are arranged on both side walls of the fixed base 7, and each reinforcement frame 8 supports and reinforces the support frame 2 on its corresponding side at the top. The overall structural strength of the leaf spring fixing structure is good, and it has high compressive and anti-deformation capabilities.

[0023] At both ends of the top of the support base 1, there are electro-hydraulic cylinders 13. On the upper front and rear sides of the outer annular wall of the support base 1, there is a connecting frame 11 fixedly connected respectively. The tops of the two connecting frames 11 are fixedly connected to the same mounting frame 12. At both ends of the bottom wall of the mounting frame 12, there are electro-hydraulic cylinders 13 fixedly connected. At the bottom of the electro-hydraulic cylinder 13, there is a movable shaft 14. The movable end at the bottom of the movable shaft 14 is fixedly connected with a pressing block 15. The movable shaft 14 can be driven by the hydraulic cylinders on both sides to drive the pressing block 15 to press down, so as to press and detect the leaf spring fixed below.

[0024] On the outer side walls of the separated ends of the two support frames 2, there are two positioning grooves 9 symmetrically arranged at the center. In the two positioning grooves 9, there are movable clamping seats 4 slidingly connected. At the bottom walls of the separated ends of the two support frames 2 and at the positions of the positioning grooves 9, there are matching holes 10. The matching holes 10 correspond to the bottom hole positions of the movable clamping seats 4, and the matching holes 10 and the corresponding hole positions of the movable clamping seats 4 are internally threaded with screws 5. The screws 5 can be unscrewed to disassemble the two movable clamping seats 4.

[0025] The working principle of the present utility model is as follows: There are two sets of fixed clamping structures arranged symmetrically as a whole. There are mounting holes opened on them, which can cooperate with fasteners to limit and fix the leaf spring to be detected on the two support frames 2. At the same time, since the upper ends of the fixed clamping structures are open, and each set of fixed clamping structures has a detachable structure design, it is convenient to disassemble and assemble the leaf spring to be detected on the detection device as a whole. And the movable shaft 14 can be driven by the hydraulic cylinders on both sides to drive the pressing block 15 to press down, so as to press and detect the leaf spring fixed below. In addition, the bottom of the support base 1 is connected to a fixed base 7 through a support rod 6. On both side walls of the fixed base 7, there are reinforcing frames 8. The top of each reinforcing frame 8 supports and reinforces the corresponding support frame 2 on one side. The overall structural strength of the leaf spring fixing structure is good, and it has high compressive and anti-deformation capabilities.

[0026] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A leaf spring detection device, comprising a support base (1), wherein the upper end of the annular outer wall of the support base (1) is symmetrically fixedly connected with two support frames (2); Features: A set of fixed card mechanisms are respectively arranged at one end of the two support frames (2) which are separated from each other. The two sets of fixed card mechanisms are arranged in a centrally symmetrical shape. The fixed card mechanisms include a fixed card seat (3) fixedly connected to the outer side wall of the support frame (2) and a movable card seat (4) fastened to the support frame (2) by screws (5); The two ends of the top of the support base (1) are provided with an electric-controlled hydraulic cylinder (13), the bottom of the electric-controlled hydraulic cylinder (13) is provided with a movable shaft (14), and the movable end of the bottom of the movable shaft (14) is fixedly connected with a pressure block (15); A fixed base (7) is provided at the bottom of the support base (1), and a reinforcement frame (8) is fixedly connected to each of the two ends of the top wall of the fixed base (7), and the top of the reinforcement frame (8) is fixedly connected to the support frame (2) on the corresponding side thereof.

2. The leaf spring detection device according to claim 1, characterized in that: A support rod (6) is fixedly connected to the center of the bottom wall of the support base (1), and the bottom wall of the support rod (6) is fixedly connected to the fixed base (7).

3. The leaf spring detection device according to claim 1, characterized in that: A mounting groove is provided between the upper and lower side walls at both ends of the fixed base (7).

4. The leaf spring detection device according to claim 1, characterized in that: A mounting hole is provided between the front and rear side walls of the upper ends of the fixed clamping seat (3) and the movable clamping seat (4).

5. The leaf spring detection device according to claim 1, characterized in that: A connecting frame (11) is fixedly connected to each of the front and rear sides of the upper end of the annular outer wall of the support base (1), the top ends of the two connecting frames (11) are fixedly connected to the same mounting frame (12), and the two ends of the bottom wall of the mounting frame (12) are fixedly connected to the electric-controlled hydraulic cylinder (13).

6. The leaf spring detection device according to claim 1, characterized in that: Two positioning grooves (9) are provided on the outer side walls of the two support frames (2) at one end and are centrally symmetrical. The two positioning grooves (9) are slidably connected to the movable clamping seat (4).

7. The leaf spring detection device according to claim 1, characterized in that: A matching hole (10) is provided on the bottom wall of the two support frames (2) at one end away from each other and at the positioning groove (9), and the matching hole (10) corresponds to the hole position at the bottom of the movable clamping seat (4), and the matching hole (10) and the corresponding hole position of the movable clamping seat (4) are connected by a screw (5) through an internal thread.

Citation Information

Patent Citations

  • Detection device for processing steel plate spring

    CN220207283U