CN210664958U

CN210664958U - Gas spring rigidity test device

Info

Publication number: CN210664958U
Application number: CN201921941495.2U
Authority: CN
Inventors: 尹艳; 尹季瑜
Original assignee: Zhenjiang Yafeng Pneumatic Components Co Ltd
Current assignee: Zhenjiang Yafeng Pneumatic Components Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-02
Anticipated expiration: 2029-11-12

Abstract

The utility model belongs to the technical field of the air spring characteristic test, especially, be an air spring rigidity test device, including frame, fixed block, actuator, mounting panel, linear displacement sensor, servo device, stabilising arrangement, base, load sensor, mount pad, gag lever post, first fixing device, second fixing device and gas spring, fixed block fixed mounting is at the lower extreme of frame, actuator fixed mounting is at the lower extreme of fixed block, mounting panel fixed mounting is at the lower extreme of actuator. The utility model discloses a set up stabilising arrangement, avoided the mounting panel can take place when receiving air spring reaction force about the condition of rocking, improved the precision of air spring test result, through setting up first fixing device and second fixing device, make the air spring establish stably at the test in-process in first drum and second drum, prevent that the skew and the condition that the bullet flies take place for the position when experimental, improved the stability of air spring when experimental.

Description

Gas spring rigidity test device

Technical Field

The utility model relates to an air spring characteristic test technical field specifically is an air spring rigidity test device.

Background

The gas spring is an industrial accessory which can play the roles of supporting, buffering, braking, height adjustment, angle adjustment and the like, and comprises the following parts: the gas spring rigidity testing device is mainly applied to positions such as a cover cap, a door and the like, and the rigidity characteristic of the gas spring is particularly important and needs to be tested and detected, so that the gas spring rigidity testing device is needed.

1. When the existing gas spring stiffness testing device is used for testing a gas spring, the testing precision is influenced and the stability is poor due to the fact that the gas spring is prone to shaking caused by the reaction force of the gas spring;

2. the existing gas spring stiffness testing device cannot improve the stability of the gas spring during testing, so that the gas spring is easy to shift in position in the testing process or fly in a bouncing manner.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an air spring rigidity test device has solved current air spring rigidity test device and has taken place the problem of rocking easily when experimenting the air spring.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an air spring stiffness test device comprises a rack, a fixing block, an actuator, a mounting plate, a linear displacement sensor, a servo device, a stabilizing device, a base, a load sensor, a mounting seat, a limiting rod, a first fixing device, a second fixing device and an air spring, wherein the fixing block is fixedly arranged at the lower end of the rack, the actuator is fixedly arranged at the lower end of the fixing block, the mounting plate is fixedly arranged at the lower end of the actuator, the linear displacement sensor is fixedly arranged at the upper end of the actuator, the servo device is fixedly arranged at one side of the actuator, the stabilizing device is fixedly arranged at two sides of the mounting plate, the base is arranged below the rack, the load sensor is fixedly arranged at the outer surface of the base, the mounting seat is fixedly arranged at the upper end of the base, the limiting rod is fixedly connected at the upper end of the mounting seat, the first fixing, the second fixing device is fixedly installed at the lower end of the mounting plate, and the air spring sleeve is arranged between the first fixing device and the second fixing device.

The stabilizing device comprises a supporting rod, a piston pipe is fixedly mounted at one end of the supporting rod, a spring is fixedly mounted inside the piston pipe, a triangular piston rod is fixedly mounted at one end of the spring, a support is fixedly mounted on one side of the triangular piston rod, a roller is sleeved inside the support, a limiting groove is formed in the outer surface of the roller, a sliding rail is formed in the inner portions of two sides of the rack, and a limiting block is fixedly connected to the outer surface of the sliding rail.

As a preferred technical scheme of the utility model, first fixing device includes first fixing base, the first drum of upper end fixedly connected with of first fixing base, the first back up block of interior fixed surface of first drum is connected with.

As a preferred technical scheme of the utility model, second fixing device includes the second fixing base, the lower extreme fixedly connected with second drum of second fixing base, the inner wall fixedly connected with second reinforcing block of second drum.

As an optimal technical scheme of the utility model, sliding connection between triangle piston rod and the piston pipe, and the triangle piston rod is isosceles triangle and sets up.

As an optimal technical scheme of the utility model, the material of first reinforcement piece and second reinforcement piece is the rubber material, and the quantity of first reinforcement piece and second reinforcement piece is four groups.

(III) advantageous effects

Compared with the prior art, the utility model provides an air spring rigidity test device possesses following beneficial effect:

1. this air spring rigidity test device, through setting up stabilising arrangement, the bracing piece can slide from top to bottom in the slide rail under the gyro wheel effect, the triangle piston rod can be to spring stabilizing support, the bracing piece is driven when the mounting panel rocks, the centre gripping can be stabilized to the bracing piece to triangle piston rod and spring cooperation, thereby make the bracing piece stabilize the centre gripping to the mounting panel, the gyro wheel is when sliding, stopper and spacing groove cooperation make the gliding stability of gyro wheel obtain improving, the condition of rocking about can taking place for the mounting panel when receiving air spring reaction force has been avoided, the precision of air spring test result has been improved.

2. According to the gas spring stiffness test device, the first fixing device and the second fixing device are arranged, the gas spring is sleeved in the first cylinder and the second cylinder, the first reinforcing block and the second reinforcing block enable the gas spring to be stable in the first cylinder and the second cylinder, the gas spring is stably sleeved in the first cylinder and the second cylinder in the test process, the situation that the position deviates and is bounced during testing is prevented, and the stability degree of the gas spring during testing is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the roller structure of the present invention;

fig. 4 is a schematic structural view of a first fixing device and a second fixing device of the present invention;

fig. 5 is a schematic top view of the second fixing device of the present invention.

In the figure: 1. a frame; 2. a fixed block; 3. an actuator; 4. mounting a plate; 5. a linear displacement sensor; 6. a servo device; 7. a stabilizing device; 701. a support bar; 702. a piston tube; 703. a spring; 704. a triangular piston rod; 705. a support; 706. a roller; 707. a limiting groove; 708. a slide rail; 709. a limiting block; 8. a base; 9. a load sensor; 10. a mounting seat; 11. a limiting rod; 12. a first fixing device; 121. a first fixed seat; 122. a first cylinder; 123. a first reinforcing block; 13. a second fixing device; 131. a second fixed seat; 132. a second cylinder; 133. a second reinforcing block; 14. a gas spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a gas spring stiffness test device comprises a rack 1, a fixing block 2, an actuator 3, a mounting plate 4, a linear displacement sensor 5, a servo device 6, a stabilizing device 7, a base 8, a load sensor 9, a mounting seat 10, a limiting rod 11, a first fixing device 12, a second fixing device 13 and a gas spring 14, wherein the fixing block 2 is fixedly arranged at the lower end of the rack 1, the actuator 3 is fixedly arranged at the lower end of the fixing block 2, the mounting plate 4 is fixedly arranged at the lower end of the actuator 3, the linear displacement sensor 5 is fixedly arranged at the upper end of the actuator 3, the servo device 6 is fixedly arranged at one side of the actuator 3, the stabilizing device 7 is fixedly arranged at two sides of the mounting plate 4, the base 8 is arranged below the rack 1, the load sensor 9 is fixedly arranged on the outer surface of the base 8, the mounting seat 10 is fixedly arranged at the upper end of the base, the first fixing device 12 is fixedly installed at the upper end of the installation base 10, the second fixing device 13 is fixedly installed at the lower end of the installation plate 4, and the gas spring 14 is sleeved between the first fixing device 12 and the second fixing device 13.

The stabilizing device 7 comprises a supporting rod 701, a piston tube 702 is fixedly mounted at one end of the supporting rod 701, a spring 703 is fixedly mounted inside the piston tube 702, a triangular piston rod 704 is fixedly mounted at one end of the spring 703, a support 705 is fixedly mounted on one side of the triangular piston rod 704, a roller 706 is sleeved inside the support 705, a limiting groove 707 is formed in the outer surface of the roller 706, a sliding rail 708 is formed inside two sides of the rack 1, and a limiting block 709 is fixedly connected to the outer surface of the sliding rail 708.

In the embodiment, the actuator 3 drives the mounting plate 4 to move downwards under the control of the servo device 6, a rigidity test is performed on the gas spring 14, when the gas spring 14 applies a reaction force to the mounting plate 4 in the downward movement process of the mounting plate 4, the mounting plate 4 keeps stable vertical up-and-down movement under the action of the support rod 701, and simultaneously the triangular piston rod 704 always extrudes the spring 703, due to the triangular stabilization principle, the spring 703 is stably supported, so that the support rod 701 is stably clamped by the elastic force, the mounting plate 4 is clamped, the stability of the mounting plate 4 in the up-and-down movement is enhanced, in addition, the roller 706 moves along with the movement of the support rod 701 and moves up and down in the slide rail 708, the limiting groove 707 on the surface of the roller 706 slides on the limiting block 709, the stability of the roller 706 in the sliding is enhanced, and the situation that the mounting plate 4 can sway left and right when receiving the reaction force of the, the accuracy of the test result of the gas spring 14 is improved.

Specifically, the first fixing device 12 includes a first fixing seat 121, a first cylinder 122 is fixedly connected to an upper end of the first fixing seat 121, and a first reinforcing block 123 is fixedly connected to an inner surface of the first cylinder 122.

In this embodiment, the lower end of the gas spring 14 is inserted into the first cylinder 122 of the first fixing base 121, and the four sets of the first reinforcing blocks 123 clamp the periphery of the gas spring 14, so that the gas spring 14 is stably embedded in the first cylinder 122.

Specifically, the second fixing device 13 includes a second fixing seat 131, a second cylinder 132 is fixedly connected to a lower end of the second fixing seat 131, and a second reinforcing block 133 is fixedly connected to an inner wall of the second cylinder 132.

In this embodiment, when the mounting plate 4 descends, the second cylinder 132 sleeves the upper end of the gas spring 14, and the second reinforcing block 133 clamps the upper end of the gas spring 14, so that the gas spring 14 is stably sleeved in the first cylinder 122 and the second cylinder 132 in the test process, thereby preventing the position from deviating and bouncing off during the test, and improving the stability of the gas spring 14 during the test.

Specifically, the triangular piston rod 704 is slidably connected with the piston tube 702, and the triangular piston rod 704 is disposed in an isosceles triangle.

In this embodiment, the triangular piston rod 704 can slide left and right in the piston tube 702, and the stability of the triangular piston rod 704 is high.

Specifically, the first reinforcing blocks 123 and the second reinforcing blocks 133 are made of rubber, and the number of the first reinforcing blocks 123 and the number of the second reinforcing blocks 133 are four.

In this embodiment, the first and second reinforcing

blocks

123 and 133 can stably hold the gas spring 14 by their anti-slip properties, so that the gas spring 14 is fixed.

The utility model discloses a theory of operation and use flow: the actuator 3 drives the mounting plate 4 to move downwards under the control of the servo device 6, a rigidity test is carried out on the gas spring 14, in the process that the mounting plate 4 moves downwards, if the gas spring 14 applies reaction force to be transmitted to the mounting plate 4, the mounting plate 4 keeps stable vertical up-and-down movement under the action of the support rod 701, meanwhile, the triangular piston rod 704 can extrude the spring 703 all the time, due to the triangular stabilizing principle, the spring 703 is stably supported, so that the support rod 701 is stably clamped by elastic force, the mounting plate 4 is clamped, the stability of the mounting plate 4 in up-and-down movement is enhanced, in addition, the roller 706 can move along with the movement of the support rod 701 and move up and down in the slide rail 708, the limiting groove 707 on the surface of the roller 706 slides on the limiting block 709, the stability of the roller 706 in sliding is enhanced, and the linear displacement sensor 5 and the load sensor 9 can respectively collect the displacement and, then, the rigidity test result of the gas spring 14 is calculated and obtained, before the gas spring 14 is tested, the lower end of the gas spring 14 is inserted into the first cylinder 122 on the first fixing seat 121, the four groups of first reinforcing blocks 123 clamp the periphery of the gas spring 14, so that the gas spring 14 is stably embedded in the first cylinder 122, then when the mounting plate 4 descends, the upper end of the gas spring 14 is embedded into the second cylinder 132, and the upper end of the gas spring 14 is clamped by the second reinforcing blocks 133, so that the gas spring 14 is stably sleeved in the first cylinder 122 and the second cylinder 132 in the test process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gas spring rigidity test device, includes frame (1), fixed block (2), actuator (3), mounting panel (4), linear displacement sensor (5), servo device (6), stabilising arrangement (7), base (8), load sensor (9), mount pad (10), gag lever post (11), first fixing device (12), second fixing device (13) and gas spring (14), its characterized in that: the lower extreme of fixed block (2) fixed mounting in frame (1), actuator (3) fixed mounting is at the lower extreme of fixed block (2), mounting panel (4) fixed mounting is at the lower extreme of actuator (3), linear displacement sensor (5) fixed mounting is in the upper end of actuator (3), servo device (6) fixed mounting is in one side of actuator (3), stabilising arrangement (7) fixed mounting is in the both sides of mounting panel (4), base (8) set up the below in frame (1), load sensor (9) fixed mounting is at the surface of base (8), mount pad (10) fixed mounting is in the upper end of base (8), gag lever post (11) fixed connection is in the upper end of mount pad (10), first fixing device (12) fixed mounting is in the upper end of mount pad (10), the second fixing device (13) is fixedly arranged at the lower end of the mounting plate (4), and the gas spring (14) is sleeved between the first fixing device (12) and the second fixing device (13);

stabilising arrangement (7) include bracing piece (701), the one end fixed mounting of bracing piece (701) has piston pipe (702), the inside fixed mounting of piston pipe (702) has spring (703), the one end fixed mounting of spring (703) has triangle piston rod (704), one side fixed mounting of triangle piston rod (704) has support (705), the inside cover of support (705) is equipped with gyro wheel (706), spacing groove (707) have been seted up to the surface of gyro wheel (706), slide rail (708) have all been seted up to the inside of frame (1) both sides, the outer fixed surface of slide rail (708) is connected with stopper (709).

2. A gas spring rate test device according to claim 1, characterized in that: the first fixing device (12) comprises a first fixing seat (121), a first cylinder (122) is fixedly connected to the upper end of the first fixing seat (121), and a first reinforcing block (123) is fixedly connected to the inner surface of the first cylinder (122).

3. A gas spring rate test device according to claim 1, characterized in that: the second fixing device (13) comprises a second fixing seat (131), a second cylinder (132) is fixedly connected to the lower end of the second fixing seat (131), and a second reinforcing block (133) is fixedly connected to the inner wall of the second cylinder (132).

4. A gas spring rate test device according to claim 1, characterized in that: the triangular piston rod (704) is connected with the piston tube (702) in a sliding mode, and the triangular piston rod (704) is arranged in an isosceles triangle mode.

5. A gas spring rate test device according to claim 2, characterized in that: the first reinforcing blocks (123) and the second reinforcing blocks (133) are made of rubber, and the number of the first reinforcing blocks (123) and the number of the second reinforcing blocks (133) are four.