Single plate spring rigidity detection tool

By designing a single-leaf spring stiffness testing fixture, and using a limiting groove and adjustment components to fix and adjust the position of the single-leaf spring, the problem of poor single-leaf spring testing effect is solved, and accurate force testing is achieved.

CN223910453UActive Publication Date: 2026-02-13TAIFU SPECIAL STEEL SUSPENSION (CHENGDU) CO LTD
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Patent Information

Application Number
CN202520526314.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-13
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing technologies have poor testing results for single-piece leaf springs, and traditional leaf spring performance testing machines cannot accurately test single-piece leaf springs weighing hundreds of kilograms.

Method used

A single-piece leaf spring stiffness testing fixture was designed, including a first main plate, a second main plate, a limiting groove, a sliding bearing assembly, a first baffle, and an adjustment component. Through the cooperation of the limiting groove and the adjustment component, the single-piece leaf spring can be fixed and its position adjusted to ensure that the testing position reaches the designed static load arc height.

Benefits of technology

This technology enables effective force detection of single-leaf springs, solving the problem of poor detection results in existing technologies and accurately simulating the working load of single-leaf springs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a single plate spring rigidity detection tool, which relates to the technical field of plate spring detection and comprises a first main plate in a flat plate shape. A second main board; a single leaf spring; a first baffle; and an adjusting assembly. The limiting grooves are formed in the two ends of the first main plate and the two ends of the second main plate, the first baffle is arranged at one limiting groove and abuts against one end of the single plate spring to form the fixed side, and the adjusting assembly is arranged at the other limiting groove. The adjusting assembly is matched with the fixed side to adjust the position of the free side of the other end of the single leaf spring, the detection position of the single leaf spring can reach the position of the designed static load arc height, and therefore working load stress detection can be conveniently conducted on the single leaf spring through the single leaf spring by means of external stress equipment. Therefore, the detection tool can detect the stress of the sheet-shaped plate spring, and effectively solves the problem that the detection effect of a single plate spring is poor in the prior art.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plate spring detection technical field especially relates to a single piece plate spring rigidity detection frock. BACKGROUND

[0002] Rigidity detection as plate spring performance common detection project, generally plate spring assembly use performance testing machine and carry out detection, the existing plate spring performance testing machine detection range is higher, generally detects 5 tons~30 tons load range plate spring, and single piece load only has a few hundred kilograms, therefore due to single piece plate spring load capacity is too small, the value deviation of testing machine detection is larger, is not suitable for the detection of single piece plate spring. UTILITY MODEL CONTENT

[0003] The utility model discloses a single piece plate spring rigidity detection frock, which solves the problem of poor detection effect of single piece plate spring in the prior art.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A single piece plate spring rigidity detection frock, comprising:

[0006] A first main plate is in the form of a flat plate;

[0007] A second main plate is attached to the first main plate, and a limiting groove is arranged between the two ends of the second main plate and the first main plate;

[0008] A single piece plate spring is provided with a sliding bearing set at both ends, and the two ends of the single piece plate spring are respectively arranged in the limiting groove through the sliding bearing set;

[0009] A first baffle is arranged at one end of the second main plate and extends into the limiting groove, one end of the first baffle abuts against one end of the single piece plate spring, and the first baffle is clamped with the second main plate in the limiting groove;

[0010] An adjusting assembly is arranged at the other end of the single piece plate spring, and the adjusting assembly is used to abut against and adjust the stress detection position of the single piece plate spring.

[0011] In some feasible schemes, the detection frock further comprises:

[0012] A first mounting block is arranged at one end of the first main plate, the first mounting block is arranged in one of the limiting grooves, and the first mounting block is connected with the adjusting assembly;

[0013] Second mounting block, the second mounting block is arranged at the other end of the first main plate, the second mounting block is arranged in the other limiting groove, and the second mounting block is arranged opposite to the first baffle.

[0014] In some feasible schemes, the adjusting assembly comprises:

[0015] Lead screw, one end of the lead screw penetrates the first mounting block, and the lead screw is threadedly connected with the first mounting block;

[0016] Second baffle, the second baffle is arranged at one end of the lead screw, and the second baffle is located at the end of the lead screw away from the first baffle, the second baffle is slidably connected in the sliding groove, and one side of the second baffle is rotationally connected with the lead screw, and the other side of the second baffle is in abutment with the single leaf plate spring.

[0017] In some feasible schemes, the sliding bearing group comprises:

[0018] Main shaft, the main shaft is arranged in the ear hole of the single leaf plate spring;

[0019] Two bearings, two bearing sleeves are arranged at two ends of the main shaft, and the single leaf plate spring is slidably connected in the limiting groove through the two bearings.

[0020] In some feasible schemes, the first main plate and the second main plate are fixedly connected through bolts.

[0021] In some feasible schemes, the first main plate and the second main plate are of an integral structure.

[0022] The beneficial effects of the utility model are:

[0023] The utility model discloses a limiting groove is arranged at both ends of the first main plate and the second main plate, a first baffle is arranged at one limiting groove and abuts against one end of the single leaf plate spring to form a fixed side, an adjusting assembly is arranged at the other limiting groove, and the position of the other end of the single leaf plate spring is adjusted on the free side by the adjusting assembly in cooperation with the fixed side, so that the detection position of the single leaf plate spring can reach the position of the designed static load arc height, so that the single leaf plate spring can be conveniently used for load stress detection by external force equipment. That is, the detection tool can detect the stress of the sheet-shaped plate spring, and effectively solve the poor detection effect of the single leaf plate spring in the prior art. ACCURACY

[0024] Fig. 1 It is a whole structure schematic view of the single leaf plate spring rigidity detection tool provided in the utility model embodiment;

[0025] Fig. 2The utility model discloses an explosion schematic view of a single piece plate spring rigidity detection tool structure.

[0026] The figure is marked as shown below:

[0027] 1, first mainboard, 11, first mounting block,

[0028] 2, second mainboard, 21, limit groove, 22, first baffle, 23, second mounting block,

[0029] 3, single piece plate spring, 31, sliding bearing group,

[0030] 4, adjusting assembly, 41, screw rod, 42, second baffle. Specific embodiments

[0031] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts fall within the protection scope of the utility model.

[0032] It needs to be explained that all directionality indications (such as up, down, left, right, front, back, etc.) in the utility model embodiments are only used for explaining the relative position relationship, movement condition, etc. between the components in a certain specific posture (such as shown in the drawings), if the specific posture changes, then the directionality indications also change accordingly.

[0033] In the utility model, unless another explicit provision and limitation, the terms "connect", "fix" and the like should be understood broadly, for example, "fix" can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction of two elements, unless another explicit limitation. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0035] Reference Figs. 1-2The utility model discloses in this embodiment in order to realize the solution existing in prior art to the detection effect of single leaf spring 3 is poor, here provides a single leaf spring 3 rigidity detection frock, single leaf spring 3 is set up on the detection frock, and then utilizes external stress detection equipment to the single leaf spring 3 on the detection frock carries out stress simulation to realize to the single leaf spring 3 carries out stress detection, the detection frock includes: first mainboard 1, second mainboard 2, single leaf spring 3, first baffle 22 and adjustment assembly 4. The first mainboard 1 is flat, and one end of the first mainboard 1 is provided with first mounting block 11, and the first mainboard 1 is used to build horizontal detection surface. The second mainboard 2 is attached to the first mainboard 1, and limit slot 21 is arranged between the two ends of the second mainboard 2 and the first mainboard 1, and the second mainboard 2 is used to limit the single leaf spring with the first mainboard 1. The two ends of the single leaf spring 3 are provided with sliding bearing group 31, and the two ends of the single leaf spring are slidably arranged in the limit slot 21 through the sliding bearing group 31. The first baffle 22 is arranged in one end of the second mainboard 2, and extends into the limit slot 21, one end of the first baffle 22 abuts against one end of the single leaf spring 3, and the first baffle 22 is clamped with the second mainboard 2 in the limit, that is, the first baffle 22 is arranged at one end of the single leaf spring 3, and one end of the single leaf spring 3 is fixedly positioned in the limit slot 21. The adjustment assembly 4 is arranged at the other end of the single leaf spring 3, and the adjustment assembly 4 is used to adjust the stress detection position of the single leaf spring 3. In this embodiment, limit slot 21 is arranged at the two ends of the first mainboard 1 and the second mainboard 2, first baffle 22 is arranged at one limit slot 21 to abut against one end of the single leaf spring 3 to form a fixed side, adjustment assembly 4 is arranged at the other limit slot 21, and the other end of the single leaf spring 3 is adjusted in the free side position by the adjustment assembly 4 cooperating with the fixed side, so that the detection position of the single leaf spring 3 can reach the design static load arc height position, so as to facilitate the single leaf spring 3 to be subjected to working load stress detection by the external stress detection equipment. That is, the detection frock can detect the stress of the sheet-shaped leaf spring, and effectively solve the defect that the detection effect of the single leaf spring 3 in the prior art is poor.

[0036] Referring to Fig. 1 and Fig. 2In the embodiment, in order to ensure the limiting effect of the two limiting grooves 21 on the single leaf spring 3, one end of the first main plate 1 is provided with a first mounting block 11, the first mounting block 11 is arranged in one of the limiting grooves 21, and the first mounting block 11 is connected with the adjusting assembly 4. The other end of the first main plate 1 is provided with a second mounting block 23, the second mounting block 23 is arranged in the other limiting groove 21, and the second mounting block 23 is arranged opposite to the first baffle plate 22. That is, in the embodiment, the two ends of the single leaf spring 3 enter the two limiting grooves 21 respectively by using the sliding bearing set 31, at this time, one end of the single leaf spring 3 is fixed and limited in one limiting groove 21 by using the first baffle plate 22 and the second mounting block 23, so as to form a fixed side; the other end of the single leaf spring 3 is pushed and adjusted in the other limiting groove 21 by using the adjusting assembly 4, so that the distance between the two ends of the single leaf spring 3 gradually separates, so that the detection position of the single leaf spring 3 can reach the position of the designed static load arc height.

[0037] In the embodiment, the adjusting assembly 4 comprises a lead screw 41 and a second baffle plate 42, one end of the lead screw 41 penetrates the first mounting block 11, and the lead screw 41 is threadedly connected with the first mounting block 11. The second baffle plate 42 is arranged at one end of the lead screw 41, and the second baffle plate 42 is located at the end of the lead screw 41 away from the first baffle plate 22. The second baffle plate 42 is slidably connected in the sliding groove, one side of the second baffle plate 42 is rotatably connected with the lead screw 41, and the other side of the second baffle plate 42 abuts against the single leaf spring 3, so as to gradually separate the two ends of the single leaf spring 3 by pushing the second baffle plate 42 by using the lead screw 41, so that the detection position of the single leaf spring 3 can reach the position of the designed static load arc height.

[0038] Referring to Fig. 2 In order to reduce the influence of the friction between the two ends of the single leaf spring 3 and the first main plate 1 and the second main plate 2 on the stress of the single leaf spring 3, the sliding bearing set 31 comprises a main shaft and two bearings, the main shaft is arranged in the ear hole of the single leaf spring 3, and the two bearings are sleeved on the two ends of the main shaft. The single leaf spring 3 is slidably connected in the limiting groove 21 by the two bearings. That is, in the embodiment, the sliding bearing set 31 composed of the main shaft and the two bearings is arranged at the two ends of the single leaf spring 3, on the one hand, the single leaf spring 3 is conveniently installed in the two limiting grooves 21, and on the other hand, the influence of stress detection on the single leaf spring 3 is reduced.

[0039] In the embodiment, the first main plate 1 and the second main plate 2 can be fixedly connected by bolts. In a feasible embodiment, in order to ensure the stress detection strength of the first main plate 1 and the second main plate 2 on the single leaf spring 3, the first main plate 1 and the second main plate 2 can be an integral structure, that is, the first main plate 1 and the second main plate 2 are integrally formed.

[0040] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. A single piece leaf spring stiffness detection tool, characterized by, The utility model relates to a detection tool for single piece plate spring, which comprises: a first main plate in a flat shape; a second main plate attached to the first main plate, both ends of the second main plate and the first main plate being provided with limiting grooves; a single piece plate spring, both ends of the single piece plate spring being provided with sliding bearing sets, both ends of the single piece plate spring being slidably arranged in the limiting grooves through the sliding bearing sets; a first baffle plate, the first baffle plate being arranged at one end of the second main plate and extending into the limiting groove, one end of the first baffle plate abutting against one end of the single piece plate spring, the first baffle plate being clamped with the second main plate in the limiting groove; an adjusting assembly arranged at the other end of the single piece plate spring, the adjusting assembly being used for abutting against and adjusting the stress detection position of the single piece plate spring.

2. The single-leaf spring stiffness detection tool according to claim 1, wherein The detection tool further comprises: a first mounting block arranged at one end of the first main plate, the first mounting block being arranged in one of the limiting grooves, and the first mounting block being connected with the adjusting assembly; a second mounting block arranged at the other end of the first main plate, the second mounting block being arranged in the other limiting groove, and the second mounting block being arranged opposite to the first baffle plate.

3. The single-leaf spring stiffness detection tool of claim 2, wherein, The adjusting assembly comprises: a lead screw, one end of the lead screw penetrating through the first mounting block, the lead screw being threadedly connected with the first mounting block; a second baffle plate arranged at one end of the lead screw, the second baffle plate being located at the end of the lead screw away from the first baffle plate, the second baffle plate being slidably connected in the sliding groove, one side of the second baffle plate being rotatably connected with the lead screw, and the other side of the second baffle plate abutting against the single piece plate spring.

4. The single-leaf spring stiffness detection tool of claim 1, wherein, The sliding bearing set comprises: a main shaft arranged in the ear hole of the single piece plate spring; two bearings sleeved at both ends of the main shaft, the single piece plate spring being slidably connected in the limiting groove through the two bearings.

5. The single-leaf spring stiffness detection tool of claim 1, wherein, The first main plate and the second main plate are fixedly connected through bolts.

6. The single-leaf spring stiffness detection tool of claim 1, wherein, The first main plate and the second main plate are of an integrated structure.