CN211504630U - Hydraulic booster area braking master cylinder assembly detection test device - Google Patents
Hydraulic booster area braking master cylinder assembly detection test device Download PDFInfo
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- CN211504630U CN211504630U CN201922250032.8U CN201922250032U CN211504630U CN 211504630 U CN211504630 U CN 211504630U CN 201922250032 U CN201922250032 U CN 201922250032U CN 211504630 U CN211504630 U CN 211504630U
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Abstract
The utility model relates to a hydraulic booster area brake master cylinder assembly test device, including hydraulic booster main cylinder assembly, the left end of hydraulic booster main cylinder assembly is provided with the connection end, connection end department is provided with servo motor, servo motor's output is connected push rod mechanism, push rod mechanism's output is fixed with the connection end through torque sensor, installs displacement sensor with torque sensor is parallelly connected; the front end of the main cylinder assembly of the hydraulic booster is provided with an oil inlet, the upper end of the main cylinder assembly of the hydraulic booster is provided with an oil outlet and an oil return port at intervals, and the front part of the right end of the main cylinder assembly of the hydraulic booster is provided with a left output port of a front cavity of the main cylinder and a right output port of the front cavity of the main cylinder; the detection is convenient and the work is reliable.
Description
Technical Field
The utility model belongs to the technical field of the detection test device technique and specifically relates to a hydraulic booster area brake master cylinder assembly detection test device.
Background
With the promulgation of the GB7258 standard, new requirements are put forward on the running safety of motor vehicles, higher requirements are put forward on the braking system of automobiles, and the braking system of the master cylinder assembly of the hydraulic booster becomes a new development trend.
The hydraulic booster main cylinder assembly system is used for providing high-pressure oil power for the steering oil pump, and can also be used for providing high-pressure power for the steering oil pump together with the steering system.
Before the hydraulic booster master cylinder assembly braking system is delivered from a factory, all performances need to be detected, so that the reliability of the braking performance of a product is ensured. In the prior art, a complete hydraulic booster master cylinder assembly braking system performance detection device is not available.
SUMMERY OF THE UTILITY MODEL
The applicant provides a hydraulic booster with a master cylinder assembly detection test device with a reasonable structure aiming at the defects in the prior art, so that the performance of the hydraulic booster master cylinder assembly can be conveniently detected.
The utility model discloses the technical scheme who adopts as follows:
a detection test device for a hydraulic booster master cylinder assembly with a brake master cylinder comprises a hydraulic booster master cylinder assembly, wherein a connecting end is arranged at the left end of the hydraulic booster master cylinder assembly, a servo motor is arranged at the connecting end, the output end of the servo motor is connected with a push rod mechanism, the output end of the push rod mechanism is fixed with the connecting end through a torque sensor, and a displacement sensor is installed in parallel with the torque sensor; the front end of the main cylinder assembly of the hydraulic booster is provided with an oil inlet, the upper end of the main cylinder assembly of the hydraulic booster is provided with an oil outlet and an oil return port at intervals, and the front part of the right end of the main cylinder assembly of the hydraulic booster is provided with a left output port of a front cavity of the main cylinder and a right output port of the front cavity of the main cylinder;
the automobile steering wheel is characterized by further comprising a hydraulic station, a driving motor is arranged in the hydraulic station, the output end of the driving motor is connected with an oil pump, the oil pump is connected with an oil tank and a valve seat, the output port of the oil pump is communicated with an oil inlet through an oil inlet pipeline, an oil inlet flow sensor, an oil inlet electromagnetic valve and an oil inlet pressure sensor are connected to the oil inlet pipeline in series, an overflow valve is mounted on the valve seat and communicated with the oil inlet electromagnetic valve, the oil outlet is connected with an automobile steering wheel through an oil outlet oil way, the automobile steering wheel is communicated with the oil tank, an oil outlet flow and pressure sensor are mounted on the oil outlet oil way, and the oil return;
the right path output port of the front cavity of the main cylinder is connected with the right branch pump through a right flow and pressure sensor, and the left path output port of the front cavity of the main cylinder is communicated with the left branch pump through a left flow and pressure sensor.
As a further improvement of the above technical solution:
the left sub-pump and the right sub-pump are identical in structure and are symmetrically installed.
The left flow and pressure sensor and the right flow and pressure sensor have the same structure.
The utility model has the advantages as follows:
the utility model has the advantages of compact and reasonable structure, convenient operation through push rod mechanism, displacement and torque sensor, can simulate the brake action of car, through being connected between hydraulic pressure station, each oil circuit and the hydraulic booster master cylinder assembly, realization that can be convenient is to the capability test of hydraulic booster master cylinder assembly, and the test is convenient, and work efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a servo motor; 2. a push rod mechanism; 3. a displacement sensor; 4. a torque sensor; 5. connecting the end heads; 6. a hydraulic booster master cylinder assembly; 7. an oil return path; 8. an oil outlet oil path; 9. an oil outlet; 10. An oil return port; 11. an oil inlet; 12. the output port of the right path of the front cavity of the main cylinder; 13. the output port of the left path of the front cavity of the main cylinder; 14. a left branch pump; 15. a right flow and pressure sensor; 16. a left flow and pressure sensor; 17. a right branch pump; 18. an oil inlet pressure sensor; 19. an oil inlet electromagnetic valve; 20. an oil inlet flow sensor; 21. an overflow valve; 22. an oil outlet flow and pressure sensor; 23. an oil pump; 24. a drive motor; 25. a hydraulic station; 26. An oil tank; 27. a valve seat; 28. a steering wheel for a vehicle.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the detection test device for the hydraulic booster master cylinder assembly with the brake master cylinder assembly of the embodiment includes a hydraulic booster master cylinder assembly 6, a connection end 5 is arranged at the left end of the hydraulic booster master cylinder assembly 6, a servo motor 1 is arranged at the connection end 5, the output end of the servo motor 1 is connected with a push rod mechanism 2, the output end of the push rod mechanism 2 is fixed with the connection end 5 through a torque sensor 4, and a displacement sensor 3 is installed in parallel with the torque sensor 4; an oil inlet 11 is arranged at the front end of the hydraulic booster main cylinder assembly 6, an oil outlet 9 and an oil return port 10 are arranged at the upper end at intervals, and a main cylinder front cavity left output port 13 and a main cylinder front cavity right output port 12 are arranged at the front part of the right end of the hydraulic booster main cylinder assembly 6;
the hydraulic station 25 is further included, a driving motor 24 is arranged in the hydraulic station 25, the output end of the driving motor 24 is connected with an oil pump 23, the oil pump 23 is connected with an oil tank 26 and a valve seat 27, the output port of the oil pump 23 is communicated with the oil inlet 11 through an oil inlet pipeline, an oil inlet flow sensor 20, an oil inlet electromagnetic valve 19 and an oil inlet pressure sensor 18 are connected in series on the oil inlet pipeline, an overflow valve 21 is mounted on the valve seat 27, the overflow valve 21 is communicated with the oil inlet electromagnetic valve 19, the oil outlet 9 is connected with an automobile steering wheel 28 through an oil outlet oil way 8, the automobile steering wheel 28 is communicated with the oil tank 26, an oil outlet flow and pressure sensor 22 is mounted on the oil outlet oil;
the output port 12 of the right path of the front cavity of the main cylinder is connected with a right branch pump 17 through a right flow and pressure sensor 15, and the output port 13 of the left path of the front cavity of the main cylinder is communicated with a left branch pump 14 through a left flow and pressure sensor 16.
The left wheel cylinder 14 and the right wheel cylinder 17 are identical in structure and are symmetrically arranged.
The left flow and pressure sensor 16 and the right flow and pressure sensor 15 are constructed identically. The utility model discloses a concrete structure does:
a driving motor 24, an oil pump 23, an oil tank 26 and a valve seat 27 are arranged on a hydraulic station 25, an output shaft of the driving motor 24 is connected with the oil pump 23, the hydraulic valve seat 27 is connected below the oil pump 23, an overflow valve 21 and an oil inlet electromagnetic valve 19 are assembled on the valve seat 27, the oil inlet electromagnetic valve 19 controls oil and is connected with an oil inlet flow sensor 20 and an oil inlet pressure sensor 18, the oil inlet flow sensor 20 and the oil inlet pressure sensor 18 are connected with an oil inlet 11 of a hydraulic booster main cylinder assembly 6 through an oil inlet oil path, the hydraulic booster main cylinder assembly 6 is fixed on a tooling fixture, the interior of the hydraulic booster main cylinder assembly 6 is divided into one path of oil return path 7 to the oil tank 26 of the hydraulic station 25 through a match, the other path of oil outlet path 8 is connected with an oil outlet flow and pressure sensor 22, and.
The main cylinder front cavity left path output port 12 is connected with a right branch pump 17 through a right flow and pressure sensor 15, and the main cylinder front cavity right path output port 13 is communicated with a left branch pump 14 through a left flow and pressure sensor 16.
A servo motor 1 of the workbench is connected with a push rod mechanism 2, and the upper part of a guide rod (not shown in the figure) is connected with a displacement sensor 3 and a torque sensor 4.
The utility model discloses a theory of operation:
the industrial control computer starts the switches of the driving motor 24, the overflow valve 21 and the oil inlet electromagnetic valve 19 on the interface, the computer transmits an instruction to the PLC, the PLC controls the alternating current contactor, the driving motor 24 is started, the overflow valve 21 and the oil inlet electromagnetic valve 19 are opened, a pressure gauge (not shown in the figure) is arranged on the hydraulic station 25, the pressure regulating valve is adjusted to control the main pressure of the hydraulic station 25 to be 8-12Mpa according to the standard requirement of a test product, hydraulic oil flows to the oil inlet flow sensor 20 through the oil pump 23 and the oil inlet oil way, and the oil inlet flow sensor 20 sequentially passes through the oil inlet electromagnetic valve 19 and the oil inlet pressure sensor 18 to.
Hydraulic oil passes through hydraulic booster inside again through hydraulic booster's output interface, through flow of producing oil and pressure sensor 22 to car steering wheel 28, and the oil tank 26 of hydraulic pressure station 25 is flowed to the 28 interfaces of car steering wheel, and another interface of hydraulic booster flows to hydraulic pressure station 25's oil tank 26 through oil return circuit 7.
A main cylinder front cavity left path output port 13 of the hydraulic booster is connected to a left flow and pressure sensor 16, the left flow and pressure sensor 16 is connected with a left branch pump 14 through an oil pipe, a main cylinder front cavity right path output port 12 of the hydraulic booster is connected to a right flow and pressure sensor 15, and the right flow and pressure sensor 15 is connected with a right branch pump 17 through an oil pipe. And the computer interface displays the input and output pressure and flow value flowing to the hydraulic booster in real time.
Manual footboard according to the computer interface is forward, computer transfer instruction gives PLC, PLC sends pulse instruction control servo driver, servo driver control servo motor 1 rotates, push rod mechanism 2 moves forward, push rod mechanism 2 is connected with the cylinder, bolt fastening torque sensor 4 for the cylinder, there is connecting rod and hydraulic booster's connection end 5 to be connected with the round pin before torque sensor 4, displacement sensor 3 is equipped with to detect the distance that the nut removed above push rod mechanism 2's cylinder, control servo motor 1's corotation and reversal and realize the simulation braking process, show hydraulic booster input and output characteristic at the computer, the reaction time, sealing performance, the pressure of master cylinder output etc..
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (3)
1. The utility model provides a hydraulic pressure booster area brake master cylinder assembly test device which characterized in that: the hydraulic booster master cylinder assembly comprises a hydraulic booster master cylinder assembly (6), wherein a connecting end (5) is arranged at the left end of the hydraulic booster master cylinder assembly (6), a servo motor (1) is arranged at the connecting end (5), the output end of the servo motor (1) is connected with a push rod mechanism (2), the output end of the push rod mechanism (2) is fixed with the connecting end (5) through a torque sensor (4), and a displacement sensor (3) is installed in parallel with the torque sensor (4); an oil inlet (11) is formed in the front end of the hydraulic booster main cylinder assembly (6), oil outlets (9) and oil return ports (10) are formed in the upper end of the hydraulic booster main cylinder assembly at intervals, and a main cylinder front cavity left path output port (13) and a main cylinder front cavity right path output port (12) are formed in the front portion of the right end of the hydraulic booster main cylinder assembly (6);
also comprises a hydraulic station (25), a driving motor (24) is arranged in the hydraulic station (25), the output end of the driving motor (24) is connected with an oil pump (23), the oil pump (23) is connected with an oil tank (26) and a valve seat (27), the output port of the oil pump (23) is communicated with the oil inlet (11) through an oil inlet pipeline, an oil inlet flow sensor (20), an oil inlet electromagnetic valve (19) and an oil inlet pressure sensor (18) are connected in series on the oil inlet pipeline, an overflow valve (21) is arranged on the valve seat (27), the overflow valve (21) is communicated with an oil inlet electromagnetic valve (19), the oil outlet (9) is connected with an automobile steering wheel (28) through an oil outlet oil way (8), the automobile steering wheel (28) is communicated with an oil tank (26), an oil outlet flow and pressure sensor (22) is arranged on the oil outlet oil way (8), the oil return port (10) is communicated with an oil tank (26) through an oil return oil way (7);
the right path output port (12) of the front cavity of the main cylinder is connected with a right branch pump (17) through a right flow and pressure sensor (15), and the left path output port (13) of the front cavity of the main cylinder is communicated with a left branch pump (14) through a left flow and pressure sensor (16).
2. A hydraulic booster master cylinder assembly test apparatus as set forth in claim 1, wherein: the left wheel cylinder (14) and the right wheel cylinder (17) are identical in structure and are symmetrically installed.
3. A hydraulic booster master cylinder assembly test apparatus as set forth in claim 1, wherein: the left flow and pressure sensor (16) and the right flow and pressure sensor (15) are of the same structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250032.8U CN211504630U (en) | 2019-12-13 | 2019-12-13 | Hydraulic booster area braking master cylinder assembly detection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250032.8U CN211504630U (en) | 2019-12-13 | 2019-12-13 | Hydraulic booster area braking master cylinder assembly detection test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504630U true CN211504630U (en) | 2020-09-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922250032.8U Active CN211504630U (en) | 2019-12-13 | 2019-12-13 | Hydraulic booster area braking master cylinder assembly detection test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504630U (en) |
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2019
- 2019-12-13 CN CN201922250032.8U patent/CN211504630U/en active Active
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