CN210626061U

CN210626061U - Hydraulic control valve for vehicle suspension loading test bed

Info

Publication number: CN210626061U
Application number: CN201921920545.9U
Authority: CN
Inventors: 方晨华; 刘洪兵; 邓波
Original assignee: Chongqing Xijingyuan Fluid Technology Co Ltd
Current assignee: Chongqing Xijingyuan Fluid Technology Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-05-26
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to a vehicle hangs hydraulic control valve for load test platform, including hanging the installation rack, the bottom fixed mounting who hangs the installation rack has a plurality of hydraulic control valve fixed establishment, every the equal fixedly connected with hydraulic control valve body in hydraulic control valve fixed establishment's bottom, the below of hydraulic control valve body is provided with load cylinder. The utility model has the advantages of reasonable design, stability is high, can carry out the centre gripping to the hydraulic control valve body through hydraulic control valve fixed establishment and fix, so as to improve its stability, prevent that it from taking place to rock at the during operation, can carry out centre gripping and fixed to the valve body through splint, so as to strengthen the stability of valve body, avoid it to take place to rock and influence the loaded effect when carrying out the pressure loading to the loading hydro-cylinder, can be convenient for install and dismantle the hydraulic control valve body through hydraulic control valve fixed establishment, thereby the convenience is maintained and is changed it.

Description

Hydraulic control valve for vehicle suspension loading test bed

Technical Field

The utility model relates to a car hangs, specifically indicates a vehicle hangs hydraulic control valve for load test platform.

Background

The suspension test bed is used for carrying out multi-degree-of-freedom test on the automobile suspension so as to simulate the force and the torque transmitted to the wheel and the frame by the impact force of an uneven road surface to the frame or a vehicle extension and measure the platform of the automobile suspension in a simulated working condition test. The vehicle suspension test bed is mainly used for simulating the static and dynamic mechanical property evaluation tests of the automobile suspension, comprises high-low cycle fatigue and actual working condition simulation tests, and can also carry out tests on different parts by changing clamps, such as an auxiliary frame, a damping element (a shock absorber and the like), a buffering element (a spiral spring and the like), a guide element (a control arm, an upper swing arm, a lower swing arm and the like), other elements (a steering knuckle, a hub bearing, a driving shaft head, a steering gear, a stabilizer bar and various standard parts) and the like.

Suspension test stands are typically loaded by a hydraulic control system, in which hydraulic control valves are typically used to control the pressure, flow and direction of the fluid to regulate the pressure of the load. The existing hydraulic control valve has poor stability due to the structural design, is easy to shake during working, and is difficult to detach and replace, so that the improvement of the existing hydraulic control valve is urgently needed.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that prior art exists, the utility model discloses a technical problem who solves is: the existing hydraulic control valve has poor stability due to the structural design, is easy to shake during working, and is difficult to detach and replace.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a vehicle hangs hydraulic control valve for load test bench, includes the suspension mounting rack, the bottom fixed mounting of suspension mounting rack has a plurality of hydraulic control valve fixed establishment, every the equal fixedly connected with hydraulic control valve body in hydraulic control valve fixed establishment's bottom, the below of hydraulic control valve body is provided with loading cylinder.

As preferred, hydraulic control valve fixed establishment includes the mount, the mount is the cylinder structure, and its central part is protruding downwards, just the first screw hole of a plurality of, every has been seted up at the top of mount equal threaded connection in the first screw hole has first bolt, hang the bottom surface of installation rack and seted up a plurality of and first bolt matched with first screw hole equally, the below of mount is provided with the mounting bracket, a plurality of second screw hole has been seted up to the lateral wall of mounting bracket, every equal threaded connection in the second screw hole has the second bolt, a plurality of and second bolt matched with second screw hole have been seted up equally to the lateral wall of mount. The technical characteristics have the functions that: can carry out the centre gripping through hydraulic control valve fixed establishment to hydraulic control valve body and fix to improve its stability, prevent that it from taking place to rock at the during operation, also be convenient for install and dismantle hydraulic control valve body through hydraulic control valve fixed establishment simultaneously, maintain and change it with the convenience.

Preferably, the hydraulic control valve body comprises a valve body, the valve body is fixedly connected to the bottom of the mounting frame, a liquid inlet and a liquid outlet are respectively formed in the top end and the bottom side wall of the valve body, a push block is arranged at the top of an inner cavity of the valve body, a bottom fixedly connected with push rod of the push block, a bottom fixedly connected with valve core of the push rod, a first spring fixedly connected to the bottom of the valve core, a loading column fixedly connected to the bottom of the first spring, a stop block fixedly connected to the top column body of the loading column, and a bottom end of the stop block penetrating through the bottom of the valve body and the loading. The technical characteristics have the functions that: the hydraulic system can be controlled by the hydraulic control valve body so as to adjust the loading pressure of the suspension test bed according to requirements.

Preferably, the number of the first threaded holes and the number of the second threaded holes are not less than three, and the first threaded holes and the second threaded holes are annularly distributed by taking the fixed frame as the center. The technical characteristics have the functions that: the stress of the fixing frame and the mounting frame during fixed mounting can be more uniform, so that the stability of the fixing frame and the mounting frame is improved, the fixing is more firm, and the fixing frame and the mounting frame are prevented from shaking and loosening under the action of gravity.

Preferably, the top center of the mounting frame is fixedly connected with a positioning column, the bottom center of the mounting frame is provided with a positioning hole matched with the positioning column, the diameter of the positioning hole is equal to the diameter of the positioning column, and the positioning hole and the center of the positioning column are located on the same straight line. The technical characteristics have the functions that: the positioning column can be inserted into the positioning hole, and the mounting frame can be positioned by utilizing the mutual matching of the positioning column and the positioning hole, so that the stability of the mounting frame is further improved.

Preferably, third screw holes are formed in the side walls of the bottom ends of the two sides of the fixing frame, threaded rods are connected to the inner threads of the third screw holes, one ends of the threaded rods are fixedly connected with rotating blocks, clamping plates are arranged at the other ends of the threaded rods, second springs are arranged on the two sides of the threaded rods, and the two ends of each second spring are fixedly connected to the clamping plates and the fixing frame respectively. The technical characteristics have the functions that: can drive the threaded rod along third screw hole inside removal through holding and rotating the piece of revolving, its end can drive splint and move together when the threaded rod removes until tightly supporting the lateral wall at the valve body with the splint to can carry out the centre gripping and fix the valve body, so that strengthen the stability of valve body, avoid it to take place to rock when carrying out pressure loading to loading cylinder and influence loaded effect.

Preferably, the clamping plate is arc-shaped, and a plurality of hemispherical rubber blocks are uniformly distributed on the inner wall of the clamping plate. The technical characteristics have the functions that: the rubber block has elasticity, can take place elastic deformation when receiving the extrusion to can play the effect of buffering protection, produce collision and wearing and tearing because of direct contact between order to avoid splint and the valve body.

Compared with the prior art, the utility model discloses at least, following advantage has:

1. the hydraulic control valve fixing mechanism is reasonable in structural design and high in stability, and can clamp and fix the hydraulic control valve body so as to improve the stability of the hydraulic control valve fixing mechanism and prevent the hydraulic control valve body from shaking during working;

2. the valve body can be clamped and fixed through the clamping plate, so that the stability of the valve body is enhanced, and the influence on the loading effect caused by shaking when the loading oil cylinder is subjected to pressure loading is avoided;

3. the hydraulic control valve body can be conveniently mounted and dismounted through the hydraulic control valve fixing mechanism, so that the hydraulic control valve body is conveniently maintained and replaced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the structure of a hydraulic control valve body;

FIG. 3 is a cross-sectional view of the mounting bracket;

fig. 4 is a side view of the splint.

In the figure, 1-a suspension mounting rack, 2-a hydraulic control valve fixing mechanism, 3-a hydraulic control valve body, 4-a fixing rack, 5-a first threaded hole, 6-a first bolt, 7-a mounting rack, 8-a second threaded hole, 9-a second bolt, 10-a valve body, 11-a liquid inlet, 12-a liquid outlet, 13-a pushing block, 14-a pushing rod, 15-a valve core, 16-a first spring, 17-a loading column, 18-a stop block, 19-a loading block, 20-a positioning column, 21-a positioning hole, 22-a third threaded hole, 23-a threaded rod, 24-a rotary block, 25-a clamping plate and 26-a second spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to figures 1-4 of the drawings,

example 1: a hydraulic control valve for a vehicle suspension loading test bed comprises a suspension mounting rack 1, a plurality of hydraulic control valve fixing mechanisms 2 are fixedly mounted at the bottom of the suspension mounting rack 1, each hydraulic control valve fixing mechanism 2 comprises a fixing frame 4, each fixing frame 4 is of a cylindrical structure, the center part of each fixing frame is downward protruded, a plurality of first threaded holes 5 are formed in the top of each fixing frame 4, a first bolt 6 is in threaded connection with each first threaded hole 5, a plurality of first threaded holes 5 matched with the first bolts 6 are also formed in the bottom surface of the suspension mounting rack 1, a mounting frame 7 is arranged below each fixing frame 4, a plurality of second threaded holes 8 are formed in the side wall of each mounting frame 7, a second bolt 9 is in threaded connection with each second threaded hole 8, a plurality of second threaded holes 8 matched with the second bolts 9 are also formed in the side wall of each fixing frame 4, the number of the first threaded holes 5 and the number of the second threaded holes 8 are not less than three, and the first threaded holes 5 and the second threaded holes 8 are distributed annularly by taking the fixing frame 4 as a center, so that the stress of the fixing frame 4 and the mounting frame 7 in the fixed mounting process is more uniform, the stability of the fixing frame is improved, the fixing is more firm, the fixing frame 4 and the mounting frame 7 are prevented from shaking and loosening under the action of gravity, a positioning column 20 is fixedly connected to the top center of the mounting frame 7, a positioning hole 21 matched with the positioning column 20 is formed in the bottom center of the fixing frame 4, the diameter of the positioning hole 21 is equal to the diameter of the positioning column 20, the positioning hole 21 and the center of the positioning column 20 are located on the same straight line, a hydraulic control valve body 3 is fixedly connected to the bottom of each hydraulic control valve fixing mechanism 2, and the hydraulic control valve body 3 can be clamped, so as to improve the stability of the hydraulic control valve body 3 and prevent the hydraulic control valve body 3 from shaking during operation, and meanwhile, the hydraulic control valve body 3 is convenient to mount and dismount through the hydraulic control valve fixing mechanism 2 so as to be convenient to maintain and replace, the hydraulic control valve body 3 comprises a valve body 10, the valve body 10 is fixedly connected to the bottom of the mounting frame 7, the side walls of the top end and the bottom end are respectively provided with a liquid inlet 11 and a liquid outlet 12, the top of the inner cavity of the valve body 10 is provided with a push block 13, the bottom of the push block 13 is fixedly connected with a push rod 14, the bottom of the push rod 14 is fixedly connected with a valve core 15, the bottom of the valve core 15 is fixedly connected with a first spring 16, the bottom of the first spring 16 is fixedly connected with a loading column 17, the column body at the top end of the loading column 17 is fixedly connected with, the hydraulic control valve body 3 can control a hydraulic system so as to adjust the loading pressure of a suspension test bed as required, the side walls of the bottom ends of two sides of the fixed frame 4 are respectively provided with a third threaded hole 22, the third threaded hole 22 is internally threaded with a threaded rod 23, one end of the threaded rod 23 is fixedly connected with a rotary block 24, the other end of the threaded rod 23 is provided with a clamping plate 25, two sides of the threaded rod 23 are respectively provided with a second spring 26, two ends of the second spring 26 are respectively and fixedly connected to the clamping plate 25 and the fixed frame 4, the threaded rod 23 can be driven to move inwards along the third threaded hole 22 by holding and rotating the rotary block 24, the tail end of the threaded rod 23 can drive the clamping plate 25 to move together when moving until the clamping plate 25 is tightly pressed against the side wall of the valve body 10, so as to clamp and fix the valve body 10, thereby enhancing the stability of the valve body 10 and avoiding the loading effect, splint 25 is the arc, and its inner wall evenly distributed has a plurality of hemisphere block rubber, and the block rubber has elasticity, can take place elastic deformation when receiving the extrusion to can play the effect of buffer protection, produce collision and wearing and tearing because of direct contact between with avoiding splint 25 and valve body 10.

The working principle of the device is as follows: when the utility model is used, each fixing frame 4 is fixedly arranged at the bottom of the suspension mounting rack 1 through the mutual matching between the first threaded hole 5 and the first bolt 6, then the hydraulic control valve fixing mechanism 2 and the hydraulic control valve body 3 are fixedly arranged at the bottom of each corresponding fixing frame 4 through the mutual matching between the second threaded hole 8 and the second bolt 9, the positioning column 20 at the top of the mounting frame 7 is inserted into the corresponding positioning hole 21 at the bottom of the fixing frame 4 during the mounting, and the rotary block 24 is simultaneously rotated to enable the threaded rod 23 to drive the clamping plate 25 to move until the clamping plate 25 is tightly pressed against the side wall of the valve body 10, so as to improve the stability of the hydraulic control valve body 3, when the vehicle suspension loading test is carried out, hydraulic liquid is guided into the inner cavity of the valve body 10 through the liquid inlet 11, under the action of the hydraulic liquid, the push block 13 pushes the valve core 15 to move downwards along the inner cavity of the valve body 10, when the valve core 15 moves, the first spring 16 presses the loading column 17, so that the loading column 17 moves downward together with the loading block 19, thereby increasing the pressure on the loading cylinder to realize downward loading, and when hydraulic fluid is introduced into the inner cavity of the valve body 10 through the fluid outlet 12, the loading column 17 moves upward together with the loading block 19, thereby decreasing the pressure on the loading cylinder to realize upward loading.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a vehicle hangs hydraulic control valve for load test bench, includes suspension mounting rack (1), its characterized in that: the bottom fixed mounting of suspension mounting rack (1) has a plurality of hydraulic control valve fixed establishment (2), every the equal fixedly connected with hydraulic control valve body (3) in bottom of hydraulic control valve fixed establishment (2), the below of hydraulic control valve body (3) is provided with loading cylinder.

2. The hydraulic control valve for a vehicle suspension loading test stand according to claim 1, characterized in that: the hydraulic control valve fixing mechanism (2) comprises a fixing frame (4), the fixing frame (4) is of a cylindrical structure, the central part of the fixing frame is downwards protruded, a plurality of first threaded holes (5) are formed in the top of the fixing frame (4), a first bolt (6) is in threaded connection with each first threaded hole (5), the bottom surface of the suspension mounting rack (1) is also provided with a plurality of first threaded holes (5) matched with the first bolts (6), a mounting rack (7) is arranged below the fixing rack (4), a plurality of second threaded holes (8) are formed in the side wall of the mounting rack (7), a second bolt (9) is in threaded connection with each second threaded hole (8), the side wall of the fixed frame (4) is also provided with a plurality of second threaded holes (8) matched with the second bolts (9).

3. The hydraulic control valve for a vehicle suspension loading test stand according to claim 1, characterized in that: the hydraulic control valve body (3) comprises a valve body (10), wherein the valve body (10) is fixedly connected to the bottom of a mounting frame (7), a liquid inlet (11) and a liquid outlet (12) are respectively formed in the top end and the bottom side wall of the valve body (10), a push block (13) is arranged at the top of an inner cavity of the valve body (10), a bottom fixedly connected with push rod (14) of the push block (13), a bottom fixedly connected with valve core (15) of the push rod (14), a first spring (16) fixedly connected to the bottom of the valve core (15), a loading column (17) fixedly connected to the bottom of the first spring (16), a top column body fixedly connected with stop block (18) of the loading column (17), and the bottom end of the loading column penetrates through the bottom of the valve body (10) and the.

4. The hydraulic control valve for a vehicle suspension loading test stand according to claim 2, characterized in that: the number of the first threaded holes (5) and the number of the second threaded holes (8) are not less than three, and the first threaded holes (5) and the second threaded holes (8) are distributed annularly by taking the fixed frame (4) as the center.

5. The hydraulic control valve for a vehicle suspension loading test stand according to claim 2, characterized in that: the top center fixedly connected with reference column (20) of mounting bracket (7), locating hole (21) with reference column (20) matched with is seted up at the bottom center of mount (4), the aperture of locating hole (21) equals the diameter of reference column (20), just locating hole (21) are located same straight line with the center of reference column (20).

6. The hydraulic control valve for a vehicle suspension loading test stand according to claim 2, characterized in that: third screw hole (22) have all been seted up to the both sides bottom lateral wall of mount (4), third screw hole (22) female connection has threaded rod (23), the one end fixedly connected with of threaded rod (23) revolves piece (24), and its other end is provided with splint (25), just the both sides of threaded rod (23) all are provided with second spring (26), the both ends difference fixed connection of second spring (26) is on splint (25) and mount (4).

7. The hydraulic control valve for a vehicle suspension loading test stand according to claim 6, characterized in that: the clamping plate (25) is arc-shaped, and a plurality of hemispherical rubber blocks are uniformly distributed on the inner wall of the clamping plate.