Double-sliding-table brake booster testing device

Abstract

The utility model discloses a double sliding table brake booster testing device, which comprises a bottom plate and a lower sliding table, the lower sliding table is arranged above the bottom plate, the upper surface of the bottom plate is fixedly connected with a lower guide rail, one side of the lower guide rail is fixedly connected with a lower sliding table limiting block, and the upper surface of the bottom plate is fixedly provided with an electric push cylinder mounting seat. The double-sliding-table structure realizes front-back and left-right movement of a detection part, so that the upper sliding block and the lower sliding block are prevented from bearing large torque in the left-right direction; the four limiting springs and the upper sliding table check block prevent the brake booster assembly on the upper sliding table from sliding left and right at will and can move left and right under the action larger than the spring force. A large-spring and small-spring double-spring structure can accurately simulate a braking force characteristic curve, and parameters such as pedal force, pedal stroke and oil cylinder output braking force can be collected. The braking force stroke, the maximum braking force and the braking pressure buildup response time are analyzed through the upper computer, and a pedal feeling curve, a braking force curve and the like are automatically drawn and output.

Description

Technical Field

[0001] This utility model relates to the technical field of dual-slide stage brake boosters, and more specifically, to a dual-slide stage brake booster testing device. Background Technology

[0002] When driving, in order to make it easier for the human body to step on the brakes, a brake booster is installed in the car. The brake booster works with the human body to achieve braking. However, the brake booster needs to pass the test before it can be installed in the car. Therefore, a test platform that simulates the operation of a car is needed to test the brake booster.

[0003] Current brake booster testing devices are ineffective, cumbersome, and only provide a single testing effect. Therefore, a dual-slide stage brake booster testing device is needed. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the problems existing in the prior art, this utility model provides a dual-slide stage brake booster testing device to solve the technical problem mentioned in the background art where the process of picking up hardware parts takes a lot of time, resulting in reduced electroplating efficiency of hardware parts and increased production costs.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a dual-slide stage brake booster testing device, comprising a base plate and a sliding stage, the sliding stage being located above the base plate, a lower guide rail being fixedly connected to the upper surface of the base plate, a sliding stage limiting block being fixedly connected to one side of the lower guide rail, an electric push cylinder mounting base being fixedly installed on the upper surface of the base plate, an electric push cylinder being fixedly installed on one side of the electric push cylinder mounting base, a spring seat support being fixedly connected to one side of the electric push cylinder mounting base, an electric push cylinder connector being fixedly connected to the output end of the electric push cylinder, an electric push cylinder thrust sensor being fixedly installed on the side with the electric push cylinder connector, and a thrust sensor connector being fixedly connected to one side of the electric push cylinder thrust sensor.

[0008] The present invention is further configured such that a sliding stage cylinder is fixedly installed on the upper surface of the base plate, and a sliding stage cylinder connecting block is fixedly connected to the output end of the sliding stage cylinder.

[0009] The present invention is further configured such that one side of the slide cylinder connecting block is fixedly connected to the lower slide by bolts, and an upper guide rail is fixedly connected to the upper surface of the lower slide.

[0010] The present invention is further configured such that a brake booster mounting seat is connected to the upper surface of the upper slide by bolts and threads, a drag chain is provided on the upper surface of the base plate, and a drag chain mounting bracket is connected to the upper surface of the drag chain by bolts and threads.

[0011] The present invention is further configured such that the lower surface of the drag chain mounting bracket is fixedly connected to the sliding platform, a spring seat is fixedly connected to one side of the spring seat support, a spring sleeve is fixedly connected to the inner wall of the spring seat, and a small spring is fixedly connected to one side of the spring sleeve.

[0012] The present invention is further configured such that a spring spindle is fixedly connected to one side of the small spring, a large spring is fixedly connected to one side of the spring spindle, a second force transmission shaft is fixedly connected to one side of the large spring, a pressure sensor connecting post is fixedly connected to one side of the second force transmission shaft, and a pressure sensor is fixedly installed on one side of the pressure sensor connecting post.

[0013] The present invention is further configured such that a pressure sensor connector is fixedly connected to one side of the pressure sensor, a first force transmission shaft is fixedly connected to one side of the pressure sensor connector, a clamping cylinder mounting seat is fixedly connected to the upper surface of the upper slide, a clamping cylinder is threadedly connected to one side of the clamping cylinder mounting seat by bolts, and a cylinder hinge seat is fixedly connected to one side of the clamping cylinder.

[0014] The present invention is further configured such that a limiting seat is connected to the upper surface of the base plate by bolt thread, a limiting block is fixedly connected to one side of the limiting seat, an upper slide block is fixedly connected to one side of the lower slide, a limiting spring is fixedly connected to one side of the upper slide block, and one side of the limiting spring is fixedly connected to the upper slide.

[0015] The present invention is further configured such that: an upper slider is fixedly connected to the lower surface of the upper slide, the inner wall of the upper slider is slidably connected to the upper guide rail; a lower slider is fixedly connected to the lower surface of the lower slide, the inner wall of the lower slider is fixedly connected to the lower guide rail; a cylinder ejector pin is fixedly connected to the output end of the clamping cylinder; a pressure arm is rotatably connected to the inner wall of the cylinder ejector pin; a hinge is rotatably connected to the upper surface of the pressure arm; the upper surface of the cylinder hinge seat is rotatably connected to the hinge; and a motor is fixedly installed on the upper surface of the upper slide, the upper surface of the motor being rotatably connected to the pressure arm.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, the present invention provides a dual-slide stage brake booster testing device, which has the following advantages:

[0018] 1. The dual-slide structure enables the detection area to move forward, backward, left, and right, avoiding large lateral torques on the upper and lower slides. Four limit springs and upper slide block prevent the brake booster assembly on the upper slide from sliding arbitrarily left and right, while allowing it to move left and right under conditions exceeding the spring force. The dual-spring structure (large and small springs) accurately simulates the braking force characteristic curve and can collect parameters such as pedal force, pedal travel, and hydraulic cylinder output braking force. The host computer analyzes the braking force travel, maximum braking force, and brake pressure build-up response time, automatically generating output pedal feel curves and braking force curves. Attached Figure Description

[0019] Figure 1 This is a three-dimensional front view structural schematic diagram of the present invention;

[0020] Figure 2 In this utility model Figure 1 Enlarged structural diagram at point A;

[0021] Figure 3 In this utility model Figure 1 Enlarged structural diagram at point B;

[0022] Figure 4 In this utility model Figure 1 Enlarged structural diagram at point C.

[0023] In the diagram: 1. Base plate; 2. Lower slide; 3. Upper slide; 4. Lower slide cylinder; 5. Lower guide rail; 6. Slide cylinder connecting block; 7. Brake booster mounting seat; 8. Lower slide limit block; 9. Limit spring; 10. Upper slide stop; 11. Limit block; 12. Limit seat; 13. Electric push cylinder; 14. Electric push cylinder mounting seat; 15. Electric push cylinder connector; 16. Electric push cylinder thrust sensor; 17. Thrust sensor connector; 18. Clamping cylinder; 19. Cylinder hinge seat; 20. Clamping device. 21. Cylinder mounting base; 22. Hinge; 23. Pressure arm; 24. Cylinder ejector pin; 25. First force transmission shaft; 26. Pressure sensor connector; 27. Cable chain mounting bracket; 28. Pressure sensor; 29. ​​Pressure sensor connecting post; 30. Second force transmission shaft; 31. Large spring; 32. Spring spindle; 33. Small spring; 34. Spring sleeve; 35. Spring seat; 36. Spring seat support; 37. Upper slider; 38. Lower slider; 39. Cable chain; 40. Upper guide rail; 51. Motor. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0026] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0027] Please see Figures 1-4 A dual-slide stage brake booster testing device includes a base plate 1 and a sliding stage 2. The sliding stage 2 is located above the base plate 1. A lower guide rail 5 is fixedly connected to the upper surface of the base plate 1. A sliding stage limit block 8 is fixedly connected to one side of the lower guide rail 5. An electric cylinder mounting base 14 is fixedly installed on the upper surface of the base plate 1. An electric cylinder 13 is fixedly installed on one side of the electric cylinder mounting base 14. A spring seat support 35 is fixedly connected to one side of the electric cylinder mounting base 14. An electric cylinder connector 15 is fixedly connected to the output end of the electric cylinder 13. An electric cylinder thrust sensor 16 is fixedly installed on the side with the electric cylinder connector 15. A thrust sensor connector 17 is fixedly connected to one side of the electric cylinder thrust sensor 16.

[0028] Specifically, the upper slide 3 and lower slide 2 slide out under the push of the lower slide cylinder 4; the brake booster assembly EHB is installed on the brake booster mounting seat 7; the two clamping cylinders 18 clamp the brake booster assembly; 4. The upper and lower slides slide back to the detection position; the electric push cylinder 13 pushes out to simulate the action of stepping on the brake pedal; the large spring 30 and the small spring 32 simulate the braking force load.

[0029] Please see Figures 1-4A sliding stage cylinder 4 is fixedly mounted on the upper surface of the base plate 1. A sliding stage cylinder connecting block 6 is fixedly connected to the output end of the sliding stage cylinder 4. One side of the sliding stage cylinder connecting block 6 is fixedly connected to the sliding stage 2 by bolts. An upper guide rail 39 is fixedly connected to the upper surface of the sliding stage 2. A brake booster mounting seat 7 is threadedly connected to the upper surface of the upper slide stage 3 by bolts. A drag chain 38 is provided on the upper surface of the base plate 1. A drag chain mounting bracket 26 is threadedly connected to the upper surface of the drag chain 38 by bolts. The lower surface of the drag chain mounting bracket 26 is fixedly connected to the sliding stage 2. One side of the spring seat support 35 is fixedly connected to... A spring seat 34 is provided, and a spring sleeve 33 is fixedly connected to the inner wall of the spring seat 34. A small spring 32 is fixedly connected to one side of the spring sleeve 33. A spring spindle 31 is fixedly connected to one side of the small spring 32. A large spring 30 is fixedly connected to one side of the spring spindle 31. A second force transmission shaft 29 is fixedly connected to one side of the large spring 30. A pressure sensor connecting post 28 is fixedly connected to one side of the second force transmission shaft 29. A pressure sensor 27 is fixedly installed on one side of the pressure sensor connecting post 28. A pressure sensor connector 25 is fixedly connected to one side of the pressure sensor 27. A first force transmission shaft 24 is fixedly connected to one side of the upper slide 3. A clamping cylinder mounting seat 20 is fixedly connected to the upper surface of the upper slide 3. A clamping cylinder 18 is connected to one side of the clamping cylinder mounting seat 20 by bolt thread. A cylinder hinge seat 19 is fixedly connected to one side of the clamping cylinder 18. A limit seat 12 is connected to the upper surface of the base plate 1 by bolt thread. A limit block 11 is fixedly connected to one side of the limit seat 12. An upper slide stop 10 is fixedly connected to one side of the lower slide 2. A limit spring 9 is fixedly connected to one side of the upper slide stop 10. One side of the limit spring 9 is fixedly connected to the upper slide 3. The lower surface of the slide table 3 is fixedly connected to the upper slider 36, and the inner wall of the upper slider 36 is slidably connected to the upper guide rail 39. The lower surface of the slide table 2 is fixedly connected to the lower slider 37, and the inner wall of the lower slider 37 is fixedly connected to the lower guide rail 5. The output end of the clamping cylinder 18 is fixedly connected to the cylinder ejector pin 23, and the inner wall of the cylinder ejector pin 23 is rotatably connected to the pressure arm 22. The upper surface of the pressure arm 22 is rotatably connected to the hinge 21. The upper surface of the cylinder hinge seat 19 is rotatably connected to the hinge 21. The upper surface of the upper slide table 3 is fixedly mounted with the motor 40, and the upper surface of the motor 40 is rotatably connected to the pressure arm 22.

[0030] The lower surface of the upper slide table 3 is fixedly connected to the upper slider 36, the inner wall of the upper slider 36 is slidably connected to the upper guide rail 39, the lower surface of the lower slide table 2 is fixedly connected to the lower slider 37, the inner wall of the lower slider 37 is fixedly connected to the lower guide rail 5, the output end of the clamping cylinder 18 is fixedly connected to the cylinder ejector pin 23, the inner wall of the cylinder ejector pin 23 is rotatably connected to the pressure arm 22, the upper surface of the pressure arm 22 is rotatably connected to the hinge 21, the upper surface of the cylinder hinge seat 19 is rotatably connected to the hinge 21, the upper surface of the upper slide table 3 is fixedly installed with the motor 40, and the upper surface of the motor 40 is rotatably connected to the pressure arm (22).

[0031] Specifically, the PLC controls the movement of the sliding table cylinder 4 to achieve the sliding table sliding in and out; the PLC controls the movement of the clamping cylinder 18 to achieve the clamping and releasing of the brake booster; the host computer controls the thrust stroke of the electric push cylinder to simulate the process of pressing the brake pedal; the host computer reads the thrust of the electric push cylinder thrust sensor 16, which is equivalent to the pedal pressing force; the host computer reads the pressure of the pressure sensor 27, which is equivalent to the output braking force.

[0032] In summary, when using the overall equipment:

[0033] The upper slide 3 and lower slide 2 slide out under the push of the lower slide cylinder 4; the brake booster assembly EHB is installed on the brake booster mounting seat 7; the two clamping cylinders 18 clamp the brake booster assembly; 4. The upper and lower slides slide back to the detection position; the electric push cylinder 13 pushes out, simulating the action of pressing the brake pedal; the large spring 30 and the small spring 32 simulate the braking force load, and the lower slide cylinder 4 is controlled by the PLC to realize the sliding out and sliding in of the slide; the clamping cylinder 18 is controlled by the PLC to realize the clamping and releasing of the brake booster; the upper computer controls the thrust stroke of the electric push cylinder to simulate the process of pressing the brake pedal; the upper computer reads the thrust of the electric push cylinder thrust sensor 16, which is equivalent to the pedal pressing force; the upper computer reads the pressure of the pressure sensor 27, which is equivalent to the output braking force.

[0034] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A double sliding platform brake booster testing device, comprising a base plate (1) and a lower sliding platform (2), characterized in that: The sliding platform (2) is located above the base plate (1). A lower guide rail (5) is fixedly connected to the upper surface of the base plate (1). A sliding platform limit block (8) is fixedly connected to one side of the lower guide rail (5). An electric cylinder mounting base (14) is fixedly installed on the upper surface of the base plate (1). An electric cylinder (13) is fixedly installed on one side of the electric cylinder mounting base (14). A spring seat support (35) is fixedly connected to one side of the electric cylinder mounting base (14). An electric cylinder connector (15) is fixedly connected to the output end of the electric cylinder (13). An electric cylinder thrust sensor (16) is fixedly installed on the side with the electric cylinder connector (15). A thrust sensor connector (17) is fixedly connected to one side of the electric cylinder thrust sensor (16).

2. The dual slide brake booster test device of claim 1, wherein: A sliding stage cylinder (4) is fixedly installed on the upper surface of the base plate (1), and a sliding stage cylinder connecting block (6) is fixedly connected to the output end of the sliding stage cylinder (4).

3. The dual slide brake booster test device of claim 2, wherein: One side of the slide cylinder connecting block (6) is fixedly connected to the lower slide (2) by bolts, and the upper surface of the lower slide (2) is fixedly connected to the upper guide rail (39).

4. The dual slide brake booster test device of claim 3, wherein: An upper slide (3) is provided above the lower slide (2). A brake booster mounting seat (7) is connected to the upper surface of the upper slide (3) by bolt thread. A drag chain (38) is provided on the upper surface of the base plate (1). A drag chain mounting bracket (26) is connected to the upper surface of the drag chain (38) by bolt thread.

5. The dual slide brake booster test device of claim 4, wherein: The lower surface of the drag chain mounting bracket (26) is fixedly connected to the sliding platform (2), a spring seat (34) is fixedly connected to one side of the spring seat support (35), a spring sleeve (33) is fixedly connected to the inner wall of the spring seat (34), and a small spring (32) is fixedly connected to one side of the spring sleeve (33).

6. A dual slide brake booster test device according to claim 5, characterized in that: A spring spindle (31) is fixedly connected to one side of the small spring (32), a large spring (30) is fixedly connected to one side of the spring spindle (31), a second force transmission shaft (29) is fixedly connected to one side of the large spring (30), a pressure sensor connecting column (28) is fixedly connected to one side of the second force transmission shaft (29), and a pressure sensor (27) is fixedly installed on one side of the pressure sensor connecting column (28).

7. The dual slide brake booster test apparatus of claim 6, wherein: A pressure sensor connector (25) is fixedly connected to one side of the pressure sensor (27), and a first force transmission shaft (24) is fixedly connected to one side of the pressure sensor connector (25). A clamping cylinder mounting seat (20) is fixedly connected to the upper surface of the upper slide (3). A clamping cylinder (18) is connected to one side of the clamping cylinder mounting seat (20) by bolt thread, and a cylinder hinge seat (19) is fixedly connected to one side of the clamping cylinder (18).

8. The dual slide brake booster test device of claim 7, wherein: The upper surface of the base plate (1) is connected to a limiting seat (12) by bolt thread. A limiting block (11) is fixedly connected to one side of the limiting seat (12). An upper slide block (10) is fixedly connected to one side of the lower slide (2). A limiting spring (9) is fixedly connected to one side of the upper slide block (10). One side of the limiting spring (9) is fixedly connected to the upper slide (3).

9. The dual slide brake booster test apparatus of claim 8, wherein: The lower surface of the upper slide (3) is fixedly connected to an upper slider (36), the inner wall of the upper slider (36) is slidably connected to the upper guide rail (39), the lower surface of the lower slide (2) is fixedly connected to a lower slider (37), the inner wall of the lower slider (37) is fixedly connected to the lower guide rail (5), the output end of the clamping cylinder (18) is fixedly connected to a cylinder ejector pin (23), the inner wall of the cylinder ejector pin (23) is rotatably connected to a pressure arm (22), the upper surface of the pressure arm (22) is rotatably connected to a hinge (21), the upper surface of the cylinder hinge seat (19) is rotatably connected to the hinge (21), the upper surface of the upper slide (3) is fixedly installed with a motor (40), the upper surface of the motor (40) is rotatably connected to the pressure arm (22).

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