CN116429449A - Performance detection device for axle - Google Patents

Abstract

The invention belongs to the technical field of detection devices, and discloses a performance detection device for vehicle axles, including a box body, and the upper, lower, front and rear sides of the box body are correspondingly installed with an upper detection mechanism, a lower detection mechanism, a front detection mechanism and a rear detection mechanism; The upper detection mechanism includes an upper hydraulic cylinder and several first air cylinders, and the output end of the upper hydraulic cylinder is connected with an upper pressing block; the lower detection mechanism includes a lower hydraulic cylinder and several second air cylinders, and the lower hydraulic cylinder The output end is connected with a lower top block; the front detection mechanism includes a front hydraulic cylinder and several third air cylinders, and the output end of the front hydraulic cylinder is connected with a cover plate; the rear detection mechanism includes a rear hydraulic cylinder and several fourth cylinders. Cylinder, the output end of the rear hydraulic cylinder is connected with a top plate; the bottom of the box body is equipped with a supporting mechanism; the left and right sides of the box body are equipped with a top tightening mechanism; the box body is provided with a material inlet and a material outlet.

Description

Performance testing device for axles

technical field

The invention belongs to the technical field of detection devices, in particular to a performance detection device for vehicle axles.

Background technique

The car axle (also known as the axle) is connected to the frame (or load-bearing body) through the suspension, and the wheels are installed at both ends. The function of the axle is to bear the load of the car and maintain the normal driving of the car on the road. It can be integral, like a huge barbell, and the two ends support the body through the suspension system, so the integral axle usually cooperates with the non-independent suspension; the axle can also be disconnected, like two umbrellas On both sides of the body, the body is supported by the suspension system, so the disconnected axle is used with the independent suspension;

The patent with the publication number CN216483965U discloses a vehicle axle performance testing device, which includes a bottom frame, a support column is fixedly connected to one side of the top of the bottom frame, and the top and one side of the inner side of the support column are fixedly connected to each other. There is a slant plate, the inner top of the support column is fixedly connected with a hydraulic cylinder, the two sides of the outer wall of the hydraulic cylinder are fixedly connected with positioning plates, and the bottoms of the two sets of positioning plates are fixedly connected with hydraulic telescopic rods. The vehicle axle performance testing device described in the utility model, when in use, starts the motor according to the size of the automobile axle, drives the screw rod to rotate through the output shaft of the motor, and passes through the threads between the two sets of sliders and the screw rod. connected, so that the positions of the two sets of sliders can be adjusted, and then the vehicle axle to be tested is placed on the four sets of support blocks, and then the hydraulic telescopic rod is activated to perform a compression test on the vehicle axle through the compression block, thereby increasing the effect of use;

The above-mentioned patent realizes the unidirectional performance detection of the axle, so when the overall inspection of the axle is required, it needs to be clamped at least three times, which is inefficient, and does not have the function of air-tight crack detection, and the detection is not comprehensive.

Contents of the invention

In view of the problems raised by the above-mentioned background technology, the purpose of the present invention is to provide a performance detection device for vehicle axles.

For realizing above-mentioned technical purpose, the technical scheme that the present invention adopts is as follows:

A performance testing device for an axle, including a box body, and the upper, lower, front, and rear sides of the box are correspondingly equipped with an upper detection mechanism, a lower detection mechanism, a front detection mechanism, and a rear detection mechanism;

The upper detection mechanism includes an upper hydraulic cylinder and several first air cylinders, and the output end of the upper hydraulic cylinder is connected with an upper pressure block;

The lower detection mechanism includes a lower hydraulic cylinder and several second air cylinders, and the output end of the lower hydraulic cylinder is connected with a lower jack block;

The front detection mechanism includes a front hydraulic cylinder and several third cylinders, and the output end of the front hydraulic cylinder is connected with a cover plate;

The rear detection mechanism includes a rear hydraulic cylinder and several fourth cylinders, and the output end of the rear hydraulic cylinder is connected to a top plate;

A supporting mechanism is installed at the bottom of the box;

The support mechanism includes two bottom hydraulic cylinders, the output ends of the two bottom hydraulic cylinders are connected with support rods, and the output ends of the support rods are connected with a placement seat;

The left and right sides of the box are equipped with top tightening mechanisms;

The clamping mechanism includes a support plate, the support plate is equipped with a clamping hydraulic cylinder, the output end of the clamping hydraulic cylinder is connected with a rubber plug, one of the rubber plugs is provided with an air channel, and the input end of the air channel Connected with a trachea, the trachea is equipped with a barometer;

The upper hydraulic cylinder, the first cylinder, the lower hydraulic cylinder, the second cylinder, the front hydraulic cylinder, the third cylinder, the rear hydraulic cylinder and the fourth cylinder are correspondingly equipped with pressure monitoring devices;

The box body is provided with a material inlet and a material outlet.

It is further defined that the box is equipped with an automatic feeding mechanism, the automatic feeding mechanism includes a back hydraulic cylinder installed on the back side of the box, the output end of the back hydraulic cylinder is equipped with a support frame, and the automatic The feeding mechanism includes a parallel finger cylinder that can be adjusted and installed on the placement seat. This design first controls the operation of the back hydraulic cylinder to move the support frame out of the box, and returns to the original position after the axle is placed, and then supports Under the effect of the mechanism, move the placement seat to the debugging position, and the parallel finger cylinder operation can realize the automatic clamping of the axle, and then realize the purpose of automatic feeding.

It is further defined that the support plate is provided with a chute, and a screw rod is installed in rotation in the chute, and the power end of the screw rod is connected with a motor installed on the outside of the box, and the thread of the screw rod is installed with a The slider of the jacking hydraulic cylinder is described above. With this design, the position of the rubber plug can be changed by controlling the operation of the motor, and then the purpose of adapting to different types of axles can be achieved.

It is further defined that the specifications of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are the same, and the output ends of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are all connected with contact rods, and the There is soft rubber at the contact end of the contact rod. With this design, the installation of the contact rod can effectively extend the contact distance, and the soft rubber prevents the generation of contact marks.

It is further defined that the box body is equipped with a limited support plate. Such a design supports and protects the output end of the second cylinder and prolongs the service life.

It is further defined that the cover plate and the top plate are equipped with various specifications, and the cover plate and the top plate are connected by flanges. Such a design can adapt to the blocking and interference of different types of axles. .

It is further defined that the support frame is equipped with guide columns, and the box body is equipped with guide cylinders that are slidingly matched with the guide columns. Such design plays a supporting role and makes the movement of the support frame more stable.

It is further defined that the tank is equipped with a liquid level gauge, and such a design facilitates determination of the liquid level.

It is further defined that the rubber plug is in the shape of a truncated cone. Such a design can be adapted to axles with different apertures, and at the same time, the plugging effect is good.

Adopt beneficial effect of the present invention:

Using the structural design of the present invention, the all-round contact and pressure detection of the axle can be realized, the pressure-bearing deformation performance of the axle can be effectively detected, and the quality of the finished product can be guaranteed;

In the present invention, after the detection, the airtightness of the axle can also be detected, and the functionality is stronger, and because it is a one-time clamping, the detection efficiency is higher and the actual use effect is good;

In the present invention, after the air-tightness inspection, by injecting liquid into the box, if there is a leak or crack, the leak location can be easily checked, which is convenient for subsequent welding and repair, and the rework efficiency is optimized.

Description of drawings

The invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

Fig. 1 is a structural schematic diagram 1 of an embodiment of a performance detection device for a vehicle axle according to the present invention;

Fig. 2 is a structural schematic diagram 2 of an embodiment of the performance detection device for vehicle axles of the present invention;

Fig. 3 is a schematic cross-sectional structure diagram 1 of an embodiment of the performance detection device for vehicle axles according to the present invention;

Fig. 4 is the second schematic cross-sectional structure diagram of the embodiment of the performance detection device for vehicle axles of the present invention;

Fig. 5 is a schematic cross-sectional structure diagram 3 of an embodiment of the performance detection device for vehicle axles according to the present invention;

The main component symbols are explained as follows:

Box 1;

Upper detection mechanism 2; upper hydraulic cylinder 21; first cylinder 22; upper pressing block 23;

The lower detection mechanism 3; the lower hydraulic cylinder 31; the second cylinder 32; the lower top block 33;

Front detection mechanism 4; front hydraulic cylinder 41; third cylinder 42; cover plate 43;

Rear detection mechanism 5; Rear hydraulic cylinder 51; Fourth air cylinder 52; Top plate 53;

Bottom support mechanism 6; bottom hydraulic cylinder 61; support rod 62; placement seat 63;

Jacking mechanism 7; supporting plate 71; jacking hydraulic cylinder 72; rubber plug 73; air passage 74; air pipe 75; air pressure gauge 76; chute 77;

Material inlet 8; material outlet 9; contact rod 11; limit support plate 12.

Automatic feeding mechanism 10; back hydraulic cylinder 101; material support frame 102; guide post 103; guide cylinder 104.

Detailed ways

In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1 to 5, the performance detection device for vehicle axles of the present invention includes a box body 1, and an upper detection mechanism 2, a lower detection mechanism 3, and a front detection mechanism 4 are installed on the upper, lower, front, and rear sides of the box body 1. and post-test mechanism 5;

The upper detection mechanism 2 includes an upper hydraulic cylinder 21 and a plurality of first air cylinders 22, and an upper pressure block 23 is connected to the output end of the upper hydraulic cylinder 21;

The lower detection mechanism 3 includes a lower hydraulic cylinder 31 and several second air cylinders 32, and the output end of the lower hydraulic cylinder 31 is connected with a lower top block 33;

The front detection mechanism 4 includes a front hydraulic cylinder 41 and several third cylinders 42, and the output end of the front hydraulic cylinder 41 is connected with a cover plate 43;

The rear detection mechanism 5 includes a rear hydraulic cylinder 51 and several fourth cylinders 52, and the output end of the rear hydraulic cylinder 51 is connected with a top plate 53;

A support mechanism 6 is installed at the inner bottom of the box body 1;

The support mechanism 6 includes two bottom hydraulic cylinders 61, the output ends of the two bottom hydraulic cylinders 61 are connected with a support rod 62, and the output ends of the support rod 62 are connected with a placement seat 63;

There are top tightening mechanisms 7 installed on the left and right sides of the box body 1;

The jacking mechanism 7 includes a support plate 71, the support plate 71 is equipped with a jacking hydraulic cylinder 72, the output end of the jacking hydraulic cylinder 72 is connected with a rubber plug 73, and one of the rubber plugs 73 is provided with an air channel 74, and the input end of the air channel 74 is connected to There is a trachea 75, and the trachea 75 is equipped with a barometer 76;

The upper hydraulic cylinder 21, the first cylinder 22, the lower hydraulic cylinder 31, the second cylinder 32, the front hydraulic cylinder 41, the third cylinder 42, the rear hydraulic cylinder 51 and the fourth cylinder 52 are correspondingly equipped with pressure monitoring devices;

The box body 1 is provided with a material inlet 8 and a material outlet 9 .

When using the performance testing device for the axle, inject liquid into the box body 1, then control the bottom support mechanism 6 to run to a suitable height, install the axle on the bottom support mechanism 6, return to the original position, and test Mechanism 2, lower detection mechanism 3, front detection mechanism 4 and rear detection mechanism 5 operate to carry out contact pressure on the axle, check the pressure degree through the pressure monitoring device, and then determine the compressive performance of the axle. Further, it can realize Sealing test, that is, to check whether the axle has its own cracks, or cracks appear after compression;

Specifically:

Embodiment 1: Add an appropriate amount of liquid into the box body 1 for testing air tightness, and then control the bottom hydraulic cylinder 61 to run, so that the support rod 62 drives the placement seat 63 to rise, and after the axle is fixedly installed on the placement seat 63, Control the bottom hydraulic cylinder 61 to descend, the vehicle axle is submerged in the liquid, control the lower hydraulic cylinder 31 and the upper hydraulic cylinder 21 to run, and stop when the lower top block 33 and the upper pressure block 23 all touch the upper and lower sides of the axle, and the hydraulic pressure is controlled. While the cylinder 31 and the upper hydraulic cylinder 21 are running, the front hydraulic cylinder 41 and the rear hydraulic cylinder 51 are controlled to run, and when the cover plate 43 and the top plate 53 all touch the front and rear sides of the axle, they stop. While the hydraulic cylinder 21 is running, the top-tightening hydraulic cylinders 72 at both ends are running, driving the rubber plugs 73 towards the left and right sides of the axle. The left and right sides of the bridge move, the lower jacking block 33 and the upper pressing block 23 continue to move toward the upper and lower sides of the axle, and the cover plate 43 and the top plate 53 continue to move toward the upper and lower sides of the axle to control the corresponding jacking hydraulic cylinder 72, upper Hydraulic cylinder 21, lower hydraulic cylinder 31, front hydraulic cylinder 41 and rear hydraulic cylinder 51 operate to achieve the purpose of fixing the axle in the box body 1. Because the bottom hydraulic cylinder 61 is not running at this time, it will not interfere with the upper hydraulic pressure. The power transmission of the cylinder 21, when the axle is fixed under the effects of the upper briquetting block 23, the lower top block 33, the cover plate 43, the top plate 53 and the rubber plug 73, control the first cylinder 22, the second cylinder 32, the first cylinder The three cylinders 42 and the fourth cylinder 52 are all running, and when the output ends of the first cylinder 22, the second cylinder 32, the third cylinder 42 and the fourth cylinder 52 are in contact with the axle, the pressure bearing performance of the axle can be detected , the pressures of the first cylinder 22, the second cylinder 32, the third cylinder 42 and the fourth cylinder 52 can be controlled by the pressure monitoring device to detect different required axle performance; after a period of time, visually check whether the axle is Deformation is enough, because the shape of the axle is relatively large, and the deformation is easy to detect visually;

Then use the air pump to inject gas into the air pipe 75, check the air tightness of the axle sealed by the rubber plug 73 and the cover plate 43, and observe the change of the pressure value of the air pressure gauge 76 to visually identify whether there is a leakage problem in the axle , and after the axle is under pressure, the air tightness inspection can also detect whether the axle has cracks after being under pressure; further, if there is a crack in the axle, because the axle is submerged in the liquid, the corresponding The position of the crack will emit air bubbles, which is convenient for rapid sewing during subsequent rework; the inlet 8 is used for the axle to enter the box 1, and the outlet 9 is used for liquid discharge;

Embodiment 2: Install an automatic feeding mechanism 10 on the box body 1 and adjust the position of the top tightening mechanism 7. After the automatic feeding mechanism 10 is installed, first control the operation of the back hydraulic cylinder 101 to drive the supporting frame 102 to move out. Box 1, then place the axle directly on the support frame 102, then control the back hydraulic cylinder 101 to run, drive the axle to return to the box 1, control the bottom hydraulic cylinder 61 to run, drive the support rod 62 to rise, and place the seat The parallel finger cylinder on 63 operates to clamp the positioning position of the axle, and then the bottom hydraulic cylinder 61 continues to move upward for a certain distance, the back hydraulic cylinder 101 operates to move the support frame 102 to a safe position, and the bottom hydraulic cylinder 61 returns to its original position , submerge the axle into the liquid, the motor 79 runs, and drives the screw rod 78 to rotate, so that the slider 710 moves in the chute 77, and then the position of the rubber plug 73 is changed, that is, the position of the rubber plug 73 is moved to the position of the vehicle. At the shaft holes on the left and right sides of the bridge, the realization of this moving method achieves the plugging of the left and right sides of the axles with different shapes and specifications, and then the axles can be tested according to the steps in the first embodiment.

Preferably, the specifications of the first cylinder 22, the second cylinder 32, the third cylinder 42 and the fourth cylinder 52 are consistent, and the output ends of the first cylinder 22, the second cylinder 32, the third cylinder 42 and the fourth cylinder 52 are all connected with a contact rod 11 , the contact end of the contact rod 11 has soft rubber. With this design, the installation of the contact rod 11 effectively prolongs the contact distance, and the soft rubber prevents the generation of contact marks. In fact, the first cylinder 22 and the second cylinder can also be considered according to specific conditions. 32. The contact mode of the third cylinder 42 and the fourth cylinder 52.

Preferably, the box body 1 is equipped with a limited support plate 12. This design supports and protects the output end of the second cylinder 32 to prolong the service life. In fact, it can also be considered to support the output end of the second cylinder 32 according to specific conditions. The protective structure can further support and protect the output ends of all cylinders.

Preferably, the cover plate 43 and the top plate 53 are equipped with various specifications, and the cover plate 43 and the top plate 53 are connected by flanges. This design can adapt to the blockage and interference of different types of axles. In fact, it can also be Consider the specification customization of the cover plate 43 and the top plate 53 according to specific conditions.

Preferably, the support frame 102 is equipped with a guide post 103, and the box body 1 is provided with a guide tube 104 slidingly matched with the guide post 103. Such a design plays a supporting role and makes the movement of the support frame 102 more stable. A structure for making the movement of the carrier 102 more stable may be considered according to specific circumstances.

Preferably, the tank 1 is equipped with a liquid level gauge. Such a design facilitates the determination of the liquid level. In fact, it can also be considered to facilitate the determination of the liquid level according to specific conditions.

Preferably, the rubber plug 73 is in the shape of a truncated cone. Such a design can adapt to axles with different apertures and has a good sealing effect. In fact, the shape and material of the rubber plug 73 can also be selected according to specific conditions.

The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims (9)

1. A performance testing device for vehicle axles, comprising a box body (1), characterized in that: the box body (1) is equipped with an upper detection mechanism (2), a lower detection mechanism (3), Front detection mechanism (4) and rear detection mechanism (5); The upper detection mechanism (2) includes an upper hydraulic cylinder (21) and several first air cylinders (22), and the output end of the upper hydraulic cylinder (21) is connected with an upper pressure block (23); The lower detection mechanism (3) includes a lower hydraulic cylinder (31) and several second air cylinders (32), and the output end of the lower hydraulic cylinder (31) is connected with a lower top block (33); The front detection mechanism (4) includes a front hydraulic cylinder (41) and several third air cylinders (42), and the output end of the front hydraulic cylinder (41) is connected with a cover plate (43); The rear detection mechanism (5) includes a rear hydraulic cylinder (51) and several fourth cylinders (52), and the output end of the rear hydraulic cylinder (51) is connected with a top plate (53); A support mechanism (6) is installed at the inner bottom of the box (1); The support mechanism (6) includes two bottom hydraulic cylinders (61), the output ends of the two bottom hydraulic cylinders (61) are connected with support rods (62), and the output ends of the support rods (62) are connected with placement seats (63); Jacking mechanisms (7) are installed on the left and right sides of the box (1); The clamping mechanism (7) includes a support plate (71), the support plate (71) is equipped with a clamping hydraulic cylinder (72), and the output end of the clamping hydraulic cylinder (72) is connected with a rubber plug (73) , one of the rubber plugs (73) is provided with an airway (74), the input end of the airway (74) is connected to a trachea (75), and the trachea (75) is equipped with a barometer (76); The upper hydraulic cylinder (21), the first cylinder (22), the lower hydraulic cylinder (31), the second cylinder (32), the front hydraulic cylinder (41), the third cylinder (42), the rear hydraulic cylinder (51) Corresponding to the fourth cylinder (52), a pressure monitoring device is installed; The box body (1) is provided with a material inlet (8) and a material outlet (9). 2. The performance testing device for vehicle axles according to claim 1, characterized in that: the box body (1) is equipped with an automatic feeding mechanism (10), and the automatic feeding mechanism (10) includes an installation The back hydraulic cylinder (101) on the back side of the box (1), the output end of the back hydraulic cylinder (101) is equipped with a support frame (102), and the automatic feeding mechanism (10) includes an adjustable installation Parallel finger cylinders on said placement seat (63). 3. The performance testing device for vehicle axles according to claim 1, characterized in that: the support plate (71) is provided with a chute (77), and a screw rod is installed in the chute (77) for rotation (78), the power end of the screw mandrel (78) is connected with a motor (79) installed on the outside of the box (1), and the threaded screw mandrel (78) is equipped with the top tight hydraulic cylinder (72 ) slider (710). 4. The performance detection device for vehicle axle according to claim 1, characterized in that: the first cylinder (22), the second cylinder (32), the third cylinder (42) and the fourth cylinder (52 ) specifications are the same, the first cylinder (22), the second cylinder (32), the third cylinder (42) and the output of the fourth cylinder (52) are connected with a contact rod (11), and the contact rod (11 ) has soft glue on the contact end. 5. The performance detection device for vehicle axles according to claim 1, characterized in that: the box body (1) is equipped with a limit support plate (12). 6. The performance testing device for vehicle axle according to claim 1, characterized in that: the cover plate (43) and the top plate (53) are equipped with multiple specifications, and the cover plate (43) All adopt flange to connect with described top plate (53). 7. The performance detection device for vehicle axles according to claim 2, characterized in that: said support frame (102) is equipped with guide posts (103), said box body (1) is installed with said The guide post (103) slides the mating guide cylinder (104). 8. The performance detection device for vehicle axles according to claim 1, characterized in that: the tank (1) is equipped with a liquid level gauge. 9. The performance testing device for vehicle axles according to claim 1, characterized in that: the rubber plug (73) is in the shape of a truncated cone.

Images