Automobile piston rod strength detection device

By using a spring to absorb the pressing force and a flipping motor clamp assembly in the piston rod detection device, the problems of easy damage to the pressing part and low detection efficiency are solved, and efficient automated detection of the piston rod is achieved.

CN223597419UActive Publication Date: 2025-11-25NINGBO LEONINE MASCH MFG CO LTD

Patent Information

Application Number
CN202423092024.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-25
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing automotive piston rod strength testing devices are prone to damage at the pressing point and have low testing efficiency, requiring frequent loading and unloading of the piston rod.

Method used

The test setup uses a spring to absorb the pressing force, and includes a top sleeve and a pressure block. The piston rod is automatically clamped and disassembled using a flipping motor and a clamping assembly. Force is detected using a pneumatic rod and a pressure gauge.

Benefits of technology

It reduces wear on the pressing parts, improves detection efficiency, extends the service life of the device, and enhances detection efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223597419U_ABST
    Figure CN223597419U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of piston rods, in particular to an automobile piston rod strength detection device which comprises a workbench and is characterized in that a machining groove is formed in the workbench, a clamp assembly is rotationally connected in the machining groove, a material box is arranged below the machining groove in a drawable mode, supporting columns are distributed on the periphery of the material box, and the supporting columns are arranged on the workbench. Uniformly distributed processing columns are fixedly connected to the upper end of the workbench, a top plate is fixedly connected to the upper ends of the processing columns, and a testing assembly is fixedly connected to the top plate. According to the utility model, when the piston rod is tested by arranging the spring, the pressing block can apply pressure on the spring, so that the pressure of the contact surface of the pressing block is reduced, the abrasion of the pressing block is relieved, the service life can be prolonged, and the pressure on the spring is metered by arranging the pressure gauge, so that the test is carried out objectively.
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Description

TECHNICAL FIELD

[0001] The utility model relates to piston rod technical field especially relates to a car piston rod strength detection device. BACKGROUND

[0002] Piston rod is the connecting part of supporting piston work, most of which is applied in the motion execution part of oil cylinder and air cylinder, and is a motion part with frequent motion and high technical requirement;

[0003] Through the retrieval of the Chinese patent with the publication number CN211784822U, a car piston rod strength detection device is disclosed.

[0004] In the above technical scheme: including detection table, the top of detection table is fixedly installed with U type mounting bracket, the top of U type mounting bracket is fixedly installed with hydraulic rod, the output end of hydraulic rod penetrates U type mounting bracket and extends to the bottom of U type mounting bracket, the bottom of hydraulic rod output end is fixedly installed with pressing block, the both sides of detection table top and located inside U type mounting bracket are all provided with mounting rod. The utility model discloses a U type mounting bracket is used for fixing hydraulic rod, and the mounting rod is used for fixing the piston rod to be detected, and the cooperation between mounting rod and hydraulic rod realizes the detection of piston rod, and the cooperation between control box and display realizes the processing and display of measured value, and simultaneously solve the problem that the existing detection device cannot be accurate in measurement result due to the bending of piston rod.

[0005] But in the above scheme, the technology is long-term contact with the piston high strength in the pressing part in use, which is easy to cause damage, and the technology needs to be disassembled and assembled every time, and the efficiency is slow.

[0006] Therefore, we propose a car piston rod strength detection device. UTILITY MODEL CONTENTS

[0007] The utility model mainly solves the technical problems existing in the prior art, and provides a car piston rod strength detection device.

[0008] In order to realize the above purpose, the utility model adopts the following technical scheme, a car piston rod strength detection device, including workbench, its characterized in that: the workbench is provided with machining groove, the machining groove is rotatably connected with clamp assembly, the machining groove below is provided with the pull -out of material box, the material box is distributed with the support around, the workbench upper end is fixedly connected with the machining column that evenly distributes, the machining column upper end is fixedly connected with the top plate, the top plate is fixedly connected with test assembly;

[0009] The testing assembly comprises a top sleeve, a lower sliding pipe slidably connected to the lower end of the top sleeve, a pressing block fixedly connected to the lower end of the lower sliding pipe, and a spring fixedly connecting the top sleeve and the pressing block.

[0010] The fixture assembly is symmetrically arranged up and down, and one side of the fixture assembly is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with an output end of a turnover motor, and the turnover motor is fixedly connected with one side of a workbench.

[0011] Preferably, an insertion pipe is arranged at the upper end of the top sleeve, an upper sliding pipe is arranged at the lower end of the top sleeve, an air pressure rod is inserted into the insertion pipe, the air pressure rod is movably connected with an output end of a testing cylinder, and the testing cylinder is fixedly connected with the upper end of a top plate.

[0012] Preferably, a supporting lug is arranged at one side of the top sleeve, another supporting lug is arranged at one side of the pressing block, and a pressure gauge is fixedly connected between the two supporting lugs.

[0013] Preferably, the fixture assembly further comprises a fixture, the fixture comprises two symmetrically-distributed arc-shaped clamps, the arc-shaped clamps are fixedly connected with sliding blocks, the sliding blocks are slidably connected in sliding grooves, and the sliding grooves are fixedly connected with a machining plate.

[0014] Preferably, the two sliding blocks are threadedly connected with a bidirectional screw rod, and the bidirectional screw rod is fixedly connected with an output end of a fixture motor.

[0015] Preferably, the machining plate is fixedly connected with a turnover plate, and the turnover plate is rotatably connected with the workbench through rotating shafts at both ends of the turnover plate.

[0016] Compared with the prior art, the automobile piston rod strength detection device has the following improvements and advantages:

[0017] (1) The spring is used for absorbing and pressing, a testing assembly is arranged, the testing assembly comprises a top sleeve, a lower sliding pipe slidably connected to the lower end of the top sleeve, a pressing block fixedly connected to the lower end of the lower sliding pipe, and a spring fixedly connecting the top sleeve and the pressing block, an insertion pipe is arranged at the upper end of the top sleeve, an upper sliding pipe is arranged at the lower end of the top sleeve, an air pressure rod is inserted into the insertion pipe, the air pressure rod is movably connected with an output end of a testing cylinder, the testing cylinder is fixedly connected with the upper end of a top plate, a supporting lug is arranged at one side of the top sleeve, another supporting lug is arranged at one side of the pressing block, and a pressure gauge is fixedly connected between the two supporting lugs, when the piston rod is tested, the pressing block can act the pressure on the spring, thereby reducing the pressure of the pressing block contact surface, slowing down the wear of the pressing block, prolonging the service life, and a pressure gauge is further arranged to measure the pressure borne by the spring, thereby objectively testing.

[0018] (2)The utility model discloses a turn over the plate and rotate, set up the fixture assembly is upper and lower symmetry setting, one side fixed connection of fixture assembly has the pivot, the pivot is fixedly connected in the turnover motor output, the turnover motor is fixedly connected in the workstation one side, and the fixture assembly still includes clamp, the clamp includes two arc clamps of symmetrical distribution, the arc clamp is fixedly connected on the sliding block, the sliding block is connected in the sliding slot, the sliding slot is fixedly connected on the processing board, two the sliding block is all screw -threaded connection on the two -way screw rod, the two -way screw rod is fixedly connected in the fixture motor output, through the turnover air cylinder, when the clamp of upper end clamps the piston rod and carries out the test, the lower end clamp can dismantle the piston rod, and the piston rod of test can directly fall in the material box and is prohibited to burn and is accomodated, can effectively promote the detection efficiency of piston rod. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description. Obviously, the drawing in the following description is only exemplary, and those skilled in the art can also obtain other implementation drawings according to the provided drawing without creating labor.

[0020] Figure 1 It is the structure three-dimensional schematic diagram of the utility model;

[0021] Figure 2 It is the structure three-dimensional schematic diagram of the test assembly in the utility model;

[0022] Figure 3 It is the structure three-dimensional schematic diagram of the fixture assembly in the utility model.

[0023] Legend:

[0024] 10, workstation, 11, processing groove, 12, material box, 13, support column, 14, processing column, 15, top plate, 16, 20, test assembly, 21, test cylinder, 22, air pressure rod, 23, top sleeve, 24, insertion pipe, 25, upper sliding pipe, 26, lower sliding pipe, 27, pressing block, 28, spring, 29, support lug, 30, pressure gauge, 40, fixture assembly, 41, clamp, 42, sliding block, 43, arc clamp, 44, fixture motor, 45, two -way screw rod, 46, processing board, 47, turn over the plate, 48, pivot, 49, turnover motor, 50, sliding groove. DETAILED DESCRIPTION

[0025] Next, the invention will be further described in conjunction with the drawings and specific embodiments:

[0026] Example 1

[0027] Please refer toFigures 1 to 2 The embodiment 1 comprises a workbench 10, a machining groove 11 is arranged in the workbench 10, the machining groove 11 is used for the work of a clamp assembly 40, the clamp assembly 40 is rotatably connected in the machining groove 11, a material box 12 is arranged below the machining groove 11 and can be pulled out, the material box 12 is used for storing the detected piston rod, a plurality of support columns 13 are arranged around the material box 12, the support columns 13 are used for supporting the device, a plurality of machining columns 14 are fixedly connected to the upper end of the workbench 10 and are uniformly distributed, the machining columns 14 are used for supporting a top plate 15, the top plate 15 is fixedly connected to the upper end of the machining columns 14, and a test assembly 20 is fixedly connected to the top plate 15; the test assembly 20 comprises a top sleeve 23, a lower sliding pipe 26 is slidably connected to the lower end of the top sleeve 23, a pressing block 27 is fixedly connected to the lower end of the lower sliding pipe 26, the top sleeve 23 and the pressing block 27 are fixedly connected through a spring 28, the pressing block 27 contacts the piston rod, under the action of a test cylinder 21, the pressing block 27 extrudes the spring 28, the lower sliding pipe 26 slides in an upper sliding pipe 25, so that the pressing block 27 extrudes a pressure gauge 30, the pressure gauge 30 detects the extruded force, the clamp assembly 40 is arranged in a symmetrical manner, a rotating shaft 48 is fixedly connected to one side of the clamp assembly 40, the rotating shaft 48 is fixedly connected to the output end of a turnover motor 49, the turnover motor 49 is fixedly connected to one side of the workbench 10, a pipe 24 is arranged at the upper end of the top sleeve 23, the pipe 24 is used for inserting a gas pressure rod 22, an upper sliding pipe 25 is arranged at the lower end of the top sleeve 23, the upper sliding pipe 25 cooperates with the lower sliding pipe 26 to limit the position, the gas pressure rod 22 is inserted in the pipe 24, the gas pressure rod 22 is movably connected to the output end of the test cylinder 21, the test cylinder 21 provides power, the test cylinder 21 is fixedly connected to the upper end of the top plate 15, a supporting lug 29 is arranged at one side of the top sleeve 23, another supporting lug 29 is arranged at one side of the pressing block 27, the pressure gauge 30 is fixedly connected between the two supporting lugs 29, the supporting lug 29 is used for mounting the pressure gauge 30, and the pressure gauge 30 detects the extruded force;

[0028] In the embodiment, the piston rod is fixed on the clamp assembly 40, the test cylinder 21 is started, the test cylinder 21 pushes out the gas pressure rod 22, the gas pressure rod 22 drives the pressing block 27 to move downward and contact the piston rod, the pressing block 27 contacts the piston rod, under the action of the test cylinder 21, the pressing block 27 extrudes the spring 28, the lower sliding pipe 26 slides in the upper sliding pipe 25, so that the pressing block 27 extrudes the pressure gauge 30, the pressure gauge 30 detects the extruded force, so that the detection of the piston rod is realized, the pressing block 27 acts on the spring 28, the spring 28 disperses the pressure, and the service life of the pressing block 27 can be prolonged.

[0029] Embodiment 2

[0030] Please refer to Figure 1 and Figure 3The embodiment 2 is illustrated, including the workbench 10 is provided with the machining groove 11, the machining groove 11 is used for the clamp assembly 40 work, the machining groove 11 is rotatably connected with the clamp assembly 40, the clamp assembly 40 is fixed, the machining groove 11 below is provided with the material box 12, the material box 12 is used for the piston rod of the detection, the material box 12 is distributed with the support 13, the workbench 10 upper end is fixedly connected with the machining column 14 that is evenly distributed, the machining column 14 upper end is fixedly connected with the top plate 15, the top plate 15 is fixedly connected with the test assembly 20, the clamp assembly 40 is symmetrically arranged, the upper end is fixed in the piston rod, the lower end is disassembled in the piston rod, the clamp assembly 40 one side is fixedly connected with the rotating shaft 48, the rotating shaft 48 is used for rotating, the rotating shaft 48 is fixedly connected in the turnover motor 49 output end, the turnover motor 49 drives the rotating shaft 48 rotation, the turnover motor 49 is fixedly connected in the workbench 10 one side, the turnover motor 49 is fixed, the clamp assembly 40 still includes the clamp 41, the clamp 41 includes the two arc clamps 43 that are symmetrically distributed, the arc clamp 43 is close to the piston rod and is clamped, is opposite and is loosened, the arc clamp 43 is fixedly connected on the sliding block 42, the sliding block 42 is slidably connected in the sliding groove 50, the sliding groove 50 is fixedly connected on the machining plate 46, the sliding block 42 and the sliding groove 50 are limited, the machining plate 46 increases the contact area, two sliding blocks 42 are all screw-connected on the bidirectional screw rod 45, the bidirectional screw rod 45 is fixedly connected in the clamp motor 44 output end, the clamp motor 44 drives the bidirectional screw rod 45 rotation, thereby driving the arc clamp 43 clamping, the machining plate 46 is fixedly connected on the turnover plate 47, the turnover plate 47 both ends are rotatably connected in the workbench 10 through the rotating shaft 48, the turnover plate 47 is overturned, realizes the promotion of efficiency;

[0031] In the embodiment, the piston rod is detected, and then the turnover motor 49 is started. The turnover motor 49 drives the rotating shaft 48 to rotate. The rotation of the rotating shaft 48 drives the turnover plate 47 to rotate. The turnover plate 47 rotates by 180°. The upper clamp 41 is turned over to the lower side. The clamp motor 44 is started. The clamp motor 44 drives the bidirectional screw rod 45 to rotate. The bidirectional screw rod 45 drives the sliding block 42 to separate. The annular clamp is also separated. The fixed piston rod is loosened. The upper clamp 41 clamps the piston rod at the same time. The detection efficiency of the piston rod can be effectively improved.

Claims

1. A device for detecting the strength of a piston rod of an automobile, comprising a worktable (10), characterized in that: The workbench (10) is provided with a machining groove (11), the machining groove (11) is rotatably connected with a clamp assembly (40), the machining groove (11) is provided with a material box (12) which can be pulled out below, the material box (12) is provided with a support (13) around, the workbench (10) is fixedly connected with evenly distributed machining columns (14) on the upper end, the machining column (14) is fixedly connected with a top plate (15) on the upper end, the top plate (15) is fixedly connected with a test assembly (20); The test assembly (20) comprises a top sleeve (23), the lower end of the top sleeve (23) is slidably connected with a lower sliding pipe (26), the lower end of the lower sliding pipe (26) is fixedly connected with a pressing block (27), the top sleeve (23) and the pressing block (27) are fixedly connected through a spring (28); The clamp assembly (40) is symmetrically arranged up and down, one side of the clamp assembly (40) is fixedly connected with a rotating shaft (48), the rotating shaft (48) is fixedly connected with the output end of a turnover motor (49), the turnover motor (49) is fixedly connected with one side of the workbench (10).

2. The device for detecting the strength of a piston rod of an automobile according to claim 1, characterized in that: The upper end of the top sleeve (23) is provided with a pipe (24), the lower end of the top sleeve (23) is provided with an upper sliding pipe (25), the pipe (24) is inserted with a gas pressure rod (22), the gas pressure rod (22) is movably connected with the output end of a test cylinder (21), the test cylinder (21) is fixedly connected with the upper end of the top plate (15).

3. The device for detecting the strength of a piston rod of an automobile according to claim 1, characterized in that: One side of the top sleeve (23) is provided with a supporting lug (29), one side of the pressing block (27) is also provided with another supporting lug (29), the two supporting lugs (29) are fixedly connected with a pressure gauge (30).

4. The device for detecting the strength of a piston rod of an automobile according to claim 1, characterized in that: The clamp assembly (40) further comprises a clamp (41), the clamp (41) comprises two arc-shaped clamps (43) which are symmetrically distributed, the arc-shaped clamps (43) are fixedly connected with sliding blocks (42), the sliding blocks (42) are slidably connected in sliding grooves (50), the sliding grooves (50) are fixedly connected with machining plates (46).

5. The device for detecting the strength of a piston rod of an automobile according to claim 4, characterized in that: Both the sliding blocks (42) are threadedly connected with a bidirectional screw rod (45), the bidirectional screw rod (45) is fixedly connected with the output end of a clamp motor (44).

6. The device for detecting the strength of a piston rod of an automobile according to claim 4, characterized in that: The machining plate (46) is fixedly connected with a turnover plate (47), both ends of the turnover plate (47) are rotatably connected with the workbench (10) through rotating shafts (48).

Citation Information

Patent Citations

  • Automobile piston rod strength detection device

    CN211784822U

Cited By

  • Strength detection equipment for piston rod

    CN121656019A