Performance test tool for spiral swing oil cylinder

Abstract

The utility model relates to the technical field of testing tools, and discloses a spiral swing oil cylinder performance testing tool which comprises a testing table, four placing grooves are formed in the top end of the testing table, the bottom ends of the four placing grooves are all communicated with limiting grooves, spiral swing oil cylinder bodies are arranged in the limiting grooves, and the spiral swing oil cylinder bodies are arranged in the limiting grooves. A first hydraulic rod fixedly penetrates through the test bench, and the telescopic end of the first hydraulic rod is fixedly connected with a fixed plate; through structures such as a placement groove, a first hydraulic rod, a fixing plate, a telescopic column, an extrusion plate and a limiting column, clamping and fixing can be performed from four corners of a spiral swing oil cylinder body, the use stability of the spiral swing oil cylinder body is ensured, the effect of ensuring the accuracy of a test result is further achieved, and the problem that when a hydraulic cylinder is clamped by a traditional testing machine, a hydraulic rod cylinder body is round, and the clamping efficiency is high is solved. Therefore, the problem that the accuracy of a test result is affected due to the fact that a shaking condition occurs during a test due to the fact that stable clamping cannot be carried out is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test frock technical field, concretely is a kind of spiral swing oil cylinder performance test frock. BACKGROUND

[0002] Spiral swing oil cylinder is the device for realizing rotary motion using large helix angle screw pair. Its inside adopts combined helical tooth structure, and linear motion of piston is converted into rotary motion of output shaft by inclined thread meshing form, and torque test is needed after production, so test frock needs to be used for testing.

[0003] Chinese patent provides a kind of hydraulic cylinder performance testing machine, and the publication number is CN220961023U, including mounting seat, the mounting seat is fixedly connected with vertical plate;Vertical plate is rotatably connected with rotating shaft;Rotating shaft is fixedly connected with first clamping mechanism and torsion sensor;Torsion sensor and mounting seat are fixedly connected with torsion mechanism between them;Position adjusting mechanism is equipped on mounting seat;Position adjusting mechanism is equipped with positioning rod mechanism on it;Position adjusting mechanism is fixedly connected with tension sensor;Tension sensor is fixedly connected with second clamping mechanism.

[0004] The above-mentioned testing machine can clamp and fix the two ends of the hydraulic cylinder by setting the first clamping mechanism and the second clamping mechanism, and the rotating shaft can be driven to rotate by the torsion mechanism, so as to drive the first clamping mechanism to rotate, so that the hydraulic cylinder is twisted, the torsional strength of the hydraulic cylinder is tested, the torsional strength of the hydraulic cylinder is detected by cooperating with the torsion sensor, and the efficiency of the hydraulic cylinder performance test is improved, but when clamping the hydraulic cylinder, since the hydraulic rod cylinder body is circular, stable clamping cannot be carried out, so that shaking occurs during testing, thereby affecting the accuracy of the test result. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of spiral swing oil cylinder performance test frock to solve the problem that the existing testing machine is clamped hydraulic cylinder, since the hydraulic rod cylinder body is circular, so stable clamping cannot be carried out, so that shaking occurs during testing, thereby affecting the accuracy of the test result.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of spiral swing oil cylinder performance test frock, including test table, the test table top is equipped with four placing grooves, four the placing groove bottom all are communicated with limit slot, the limit slot is provided with spiral swing oil cylinder body, the test table is fixedly penetrated with first hydraulic rod, the first hydraulic rod telescopic end is fixedly connected with fixed plate, the fixed plate top is fixedly connected with telescopic column corresponding to the two sides of first hydraulic rod, two the telescopic column top are all fixedly connected with extrusion plate, two the extrusion plate bottom two sides are all fixedly connected with limit post and penetrate the L-shaped plate on spiral swing oil cylinder body.

[0007] Preferably, a sliding groove is formed on one side of the top end of the test bench corresponding to the helical swing oil cylinder body, and a square column is slidably connected to the inner wall of the sliding groove.

[0008] Preferably, an electric push rod is fixedly penetrated through the inner wall of the sliding groove, and the telescopic end of the electric push rod is fixedly connected with the square column.

[0009] Preferably, a fixed ring and a vertical plate are fixedly connected to the top end of the square column on both sides, respectively, a sleeve is rotatably connected to the inner wall of the fixed ring, and the sleeve is sleeved on the output shaft of the helical swing oil cylinder body.

[0010] Preferably, a rotating shaft is rotatably connected to one end of the vertical plate, a torsion sensor is fixedly connected to the other end of the rotating shaft, and the torsion sensor is fixedly connected with the sleeve.

[0011] Preferably, a second hydraulic rod is fixedly connected to the top end of the square column, a toothed plate is fixedly connected to the telescopic end of the second hydraulic rod, a gear is meshingly connected to one end of the toothed plate, and the gear is fixedly connected with the rotating shaft.

[0012] Preferably, a limiting plate is fixedly connected to the side of the top end of the square column corresponding to the second hydraulic rod, and the limiting plate is slidably connected with the toothed plate.

[0013] Compared with the prior art, the helical swing oil cylinder performance test tool has the following beneficial effects:

[0014] 1) The helical swing oil cylinder performance test tool can clamp and fix the helical swing oil cylinder body from four corners through the cooperation of the placing groove, the first hydraulic rod, the fixed plate, the telescopic column, the extrusion plate and the limiting column, so that the stability during use is ensured, and the accuracy of the test result is ensured.

[0015] 2) The helical swing oil cylinder performance test tool can avoid slipping during testing through the cooperation of the electric push rod, the square column, the sleeve, the second hydraulic rod, the toothed plate, the gear, the rotating shaft and the torsion sensor, so that the torque can be accurately tested, and the test efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the helical swing oil cylinder performance test tool.

[0017] Figure 2 It is another perspective view of the helical swing oil cylinder performance test tool.

[0018] Figure 3 It is a bottom view of the helical swing oil cylinder performance test tool.

[0019] Figure 4Part structure display drawing of the spiral swing oil cylinder performance test tool of the utility model,

[0020] Figure 5 Part structure separation drawing of the spiral swing oil cylinder performance test tool of the utility model,

[0021] In the drawing: 1, test table; 2, placing groove; 3, limiting groove; 4, spiral swing oil cylinder body; 5, first hydraulic rod; 6, fixed plate; 7, telescopic column; 8, extrusion plate; 9, limiting column; 10, sliding groove; 11, square column; 12, electric push rod; 13, fixed ring; 14, vertical plate; 15, sleeve; 16, rotating shaft; 17, torsion sensor; 18, second hydraulic rod; 19, toothed plate; 20, gear; 21, limiting plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, 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 those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment one

[0024] Combined Figures 1-5 , a spiral swing oil cylinder performance test tool, including test table 1, test table 1 top end is set with four placing grooves 2, four placing grooves 2 bottom end are all communicated with the limiting groove 3, the limiting groove 3 is provided with spiral swing oil cylinder body 4, the first hydraulic rod 5 is fixedly penetrated on test table 1, the first hydraulic rod 5 telescopic end is fixedly connected with fixed plate 6, the both sides of fixed plate 6 top end are all fixedly connected with telescopic column 7 corresponding the first hydraulic rod 5, two telescopic columns 7 top end are all fixedly connected with extrusion plate 8, two extrusion plates 8 bottom end both sides are all fixedly connected with limiting column 9 and are penetrated on the L-shaped plate of spiral swing oil cylinder body 4.

[0025] Specifically, four placing grooves 2 are set for placing the L-shaped plate on spiral swing oil cylinder body 4, and the shape is compatible, so that it can be placed accurately, avoids adjusting the position, through the setting of the first hydraulic rod 5, fixed plate 6 can be moved downward, so that telescopic column 7 and extrusion plate 8 are moved downward, and limiting column 9 is inserted into limiting groove 3, so that spiral swing oil cylinder body 4 can be kept stable, avoids shaking in the testing process, so as to ensure the accuracy of test result.

[0026] Embodiment two

[0027] Referring to Figure 2 And Figure 4And on the basis of example one, further obtained, test bench 1 top end corresponding to the side of the spiral swing cylinder body 4 is provided with a chute 10, the chute 10 inner wall is slidably connected with the square column 11, the chute 10 inner wall is fixedly connected with the electric push rod 12, the electric push rod 12 telescopic end and square column 11 are fixedly connected, the square column 11 top end two sides are fixedly connected with the fixed ring 13 and the vertical plate 14, the fixed ring 13 inner wall is rotatably connected with the sleeve 15, the sleeve 15 is sleeved on the output shaft of the spiral swing cylinder body 4, the vertical plate 14 one end is rotatably connected with the rotating shaft 16, the rotating shaft 16 other end is fixedly connected with the torsion sensor 17, the torsion sensor 17 and the sleeve 15 are fixedly connected, the square column 11 top end is fixedly connected with the second hydraulic rod 18, the second hydraulic rod 18 telescopic end is fixedly connected with the toothed plate 19, the toothed plate 19 one end is meshingly connected with the gear 20, the gear 20 and the rotating shaft 16 are fixedly connected, the square column 11 top end corresponding to the side of the second hydraulic rod 18 is fixedly connected with the limiting plate 21, the limiting plate 21 and the toothed plate 19 are slidably connected.

[0028] Specifically, the square column 11 is limited by the chute 10, and the electric push rod 12 moves back and forth with the square column 11, and the sleeve 15 is sleeved on the output shaft of the spiral swing cylinder body 4 or away from the output shaft of the spiral swing cylinder body 4. The fixed ring 13 and the vertical plate 14 can limit the rotation of the rotating shaft 16 and the sleeve 15 to make them rotate stably. The second hydraulic rod 18 pushes the toothed plate 19 up and down, so that the gear 20 rotates and the torque of the output shaft of the spiral swing cylinder body 4 is tested. The test process can prevent slipping, so as to complete the accurate test of torque, and the test efficiency is high. The working principle of the torsion sensor 17 is prior art, which will not be described here.

[0029] In actual operation, first, the L-shaped plate on the spiral swing cylinder body 4 is placed in the placing groove 2 to limit and place the spiral swing cylinder body 4. At this time, the first hydraulic rod 5 is started to move downward with the fixed plate 6 and the telescopic column 7. At the same time, the telescopic column 7 moves downward with the extrusion plate 8 and the limiting column 9. The limiting column 9 passes through the L-shaped plate on the spiral swing cylinder body 4 and is inserted into the limiting groove 3. Therefore, the spiral swing cylinder body 4 can be clamped and fixed from four corners to ensure its stability and the accuracy of the test results.

[0030] Then the electric push rod 12 pushes the square column 11 to move towards the spiral swing cylinder body 4, and the sleeve 15 is sleeved on the output shaft of the spiral swing cylinder body 4. At this time, the second hydraulic rod 18 is started to push the toothed plate 19 upward, so that the gear 20 and the rotating shaft 16 rotate, and the size of the torque is tested by the torsion sensor 17. The test process can prevent slipping, so as to complete the accurate test of torque, and the test efficiency is high.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A performance testing fixture for a helical oscillating cylinder, comprising a test bench (1), characterized in that: The test platform (1) has four placement slots (2) at the top. The bottom of each of the four placement slots (2) is connected to a limiting slot (3). A spiral swing cylinder body (4) is installed in the limiting slot (3). A first hydraulic rod (5) is fixedly inserted through the test platform (1). A fixing plate (6) is fixedly connected to the telescopic end of the first hydraulic rod (5). Telescopic columns (7) are fixedly connected to the top of the fixing plate (6) on both sides corresponding to the first hydraulic rod (5). Extrusion plates (8) are fixedly connected to the top of each of the two telescopic columns (7). Limiting columns (9) are fixedly connected to the bottom sides of each of the two extrusion plates (8) and pass through the L-shaped plate on the spiral swing cylinder body (4).

2. The performance testing fixture for a helical oscillating cylinder according to claim 1, characterized in that: The test bench (1) has a groove (10) on one side of the spiral swing cylinder body (4) at the top, and a square column (11) is slidably connected to the inner wall of the groove (10).

3. The performance testing fixture for a helical oscillating cylinder according to claim 2, characterized in that: An electric push rod (12) is fixedly inserted through the inner wall of the slide (10), and the telescopic end of the electric push rod (12) is fixedly connected to the square column (11).

4. The performance testing fixture for a helical oscillating cylinder according to claim 3, characterized in that: The square column (11) has a fixed ring (13) and a vertical plate (14) fixedly connected to its top two sides respectively. The inner wall of the fixed ring (13) is rotatably connected to a sleeve (15), which is sleeved on the output shaft of the spiral swing cylinder body (4).

5. The performance testing fixture for a helical oscillating cylinder according to claim 4, characterized in that: One end of the upright plate (14) is rotatably connected to a rotating shaft (16), and the other end of the rotating shaft (16) is fixedly connected to a torque sensor (17). The torque sensor (17) and the sleeve (15) are fixedly connected.

6. The performance testing fixture for a helical oscillating cylinder according to claim 5, characterized in that: The top of the square column (11) is fixedly connected to a second hydraulic rod (18), and the telescopic end of the second hydraulic rod (18) is fixedly connected to a toothed plate (19). One end of the toothed plate (19) is meshed with a gear (20), and the gear (20) is fixedly connected to the rotating shaft (16).

7. The performance testing fixture for a helical oscillating cylinder according to claim 6, characterized in that: A limiting plate (21) is fixedly connected to one side of the top of the square column (11) corresponding to the second hydraulic rod (18), and the limiting plate (21) and the toothed plate (19) are slidably connected.

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