Comprehensive performance detection test bed for automobile brake caliper EPB piston assembly

Abstract

The utility model provides a comprehensive performance detection test bench for an automobile brake caliper EPB piston assembly, and belongs to the technical field of automobile brake caliper detection. The problems that according to an existing testing mode, all numerical values are detected by manually adjusting the rotating speed of a motor and the torque of a piston assembly through manual judgment, operation is tedious, the speed is low, tools and detection instruments of different detection items need to be disassembled and assembled multiple times, and the detection precision is not high are solved. The comprehensive performance detection test bed for the automobile brake caliper EPB piston assembly comprises a control cabinet, the top of the rear side of an inner cavity of the control cabinet is connected with a servo motor through a fixing plate, the top of the rear side of the inner cavity of the control cabinet is connected with a first frame through a support, and the output end of the servo motor penetrates into an inner cavity of the first frame and is fixedly connected with a first coupler. The device has the advantages of attractive appearance, reliable performance, convenience in operation, simplicity in maintenance and wider detection range.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile brake caliper detection, and relates to a comprehensive performance detection test bench for an automobile brake caliper EPB piston assembly. Background Art

[0002] The piston assembly is the main component of the EPB caliper to adjust the floating return distance of the brake pad of the automobile brake caliper. Compared with the traditional caliper, the EPB caliper mainly adds a motor gear unit, an adjustment nut, an adjustment screw, a needle bearing, a C-type retaining ring, an O-ring, a copper sleeve, an O-ring and a gasket. The EPB piston assembly high and low temperature durability test bench is suitable for the detection and testing of the piston assembly of the EPB brake caliper of cars and light vehicles.

[0003] The existing testing method relies on manual judgment of various values ​​and manual adjustment of the motor speed and the torque of the piston assembly for testing. The operation is cumbersome and slow, and it is necessary to disassemble and assemble the tooling and testing instruments of different testing items many times. The detection accuracy is not high, and improper operation will damage the product and affect the test results.

[0004] Therefore, it is necessary to invent a comprehensive performance test bench for automobile brake caliper EPB piston assembly to solve the above problems. Summary of the invention

[0005] The purpose of the utility model is to provide a comprehensive performance testing bench for automobile brake caliper EPB piston assembly with beautiful appearance, reliable performance, convenient operation, simple maintenance and wider detection range in order to solve the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a comprehensive performance test bench for an automobile brake caliper EPB piston assembly, comprising a control cabinet, the top of the rear side of the inner cavity of the control cabinet is connected to a servo motor through a fixed plate, the top of the rear side of the inner cavity of the control cabinet is connected to a first frame through a bracket, the output end of the servo motor passes through the inner cavity of the first frame and is fixedly connected to a first coupling, the bottom of the first coupling is connected to a torque sensor through bolts, the bottom of the torque sensor is connected to a second coupling through bolts, the bottom of the first frame is connected to a driving mechanism through bolts, the bottom of the inner cavity of the control cabinet is connected to a connecting frame through bolts, the top of the connecting frame is movably connected to a fan-shaped plate through a rotating shaft, the front side of the fan-shaped plate is connected to a pressure sensor through bolts, the front side of the control cabinet passes through and is movably connected to an operating mechanism, and the right side of the front side of the control cabinet is respectively inlaid with a test bench display, a temperature box display, an industrial computer and a printer.

[0007] The comprehensive performance test bench for automobile brake caliper EPB piston assembly mainly arranges servo motor, first frame, first coupling, torque sensor, second coupling, drive mechanism, connecting frame, fan-shaped plate, pressure sensor, operating mechanism, test bench display and temperature box display inside and on the surface of the control cabinet. Through the servo motor, first frame, first coupling, torque sensor, second coupling, drive mechanism, connecting frame, fan-shaped plate, pressure sensor, operating mechanism, test bench display and temperature box display, the equipment can test specific values, the system automatically judges and collects sensor data in real time and displays the curve, and realizes full inspection with high efficiency. The equipment has two functions of automatic detection and manual debugging. The equipment has the characteristics of beautiful appearance, reliable performance, convenient operation, simple maintenance, wider detection range, and more items can be detected at one time. It is a non-destructive test, and the product is still usable after the test.

[0008] In the above-mentioned comprehensive performance test bench for automobile brake caliper EPB piston assembly, the driving mechanism includes a second frame, the top of the second frame is connected to the first frame by bolts, the top of the second frame is movably connected to a driving rod through a bearing, the top of the driving rod passes through the inner cavity of the first frame and is fixedly connected to the second coupling, the inner cavity of the driving rod is movably connected to a floating shaft, the top sleeve of the floating shaft surface is provided with a spring, the surface of the driving rod is movably connected to the second frame through a bearing, the bottom end of the floating shaft is fixedly connected to a spline sleeve, the bottom movably sleeve of the driving rod surface is provided with a pressure cover, and the top of the pressure cover is fixedly connected to the second frame. In practical applications, by setting a floating shaft, the spline sleeve can be raised and lowered, so that it is suitable for testing calipers of different models and specifications.

[0009] In the above-mentioned comprehensive performance testing bench for automobile brake caliper EPB piston assembly, an EPB caliper is fixedly mounted on the surface of the sector plate, and the EPB caliper is located at the bottom of the driving mechanism.

[0010] In the above-mentioned comprehensive performance test bench for automobile brake caliper EPB piston assembly, the operating mechanism includes a drawer plate, the rear side of which penetrates into the inner cavity of the control cabinet, and a keyboard is placed on the top of the drawer plate. In practical applications, by providing the drawer plate, the keyboard can be stored inside the control cabinet when the machine is stopped, and the keyboard can be stored and protected.

[0011] In the above-mentioned comprehensive performance test bench for automobile brake caliper EPB piston assembly, a slide rail is riveted on the front side of the control cabinet, a slider is slidably connected to the inner cavity of the slide rail, a cleaning plate is riveted on the front side of the slider, and a cleaning brush is fixedly connected to the bottom of the cleaning plate. In practical applications, by providing a cleaning brush, dust adhering to the keyboard surface can be brushed away when the keyboard is stored.

[0012] In the above-mentioned comprehensive performance test bench for automobile brake caliper EPB piston assembly, a glass door is inlaid on the left side of the front side of the control cabinet, and a liquid level observation window and an exhaust observation window are respectively arranged on the front side of the glass door. In actual application, by arranging the liquid level observation window and the exhaust observation window, the brake fluid remaining amount and exhaust status can be observed through the glass door.

[0013] In the above-mentioned comprehensive performance test bench for automobile brake caliper EPB piston assembly, the front side of the control cabinet is connected with a tool maintenance cabinet door and a temperature box door through hinges from top to bottom, the right side of the control cabinet inner cavity is connected with a sensor quick-plug interface through bolts, and the right side of the control cabinet is connected with an inspection door through hinges. In actual application, by setting the inspection door, it is convenient for staff to maintain and repair the electronic components inside the control cabinet.

[0014] Compared with the prior art, the advantages of the comprehensive performance test bench for automobile brake caliper EPB piston assembly are as follows: the equipment can test specific values, the system automatically determines the real-time collection of sensor data and displays the curve, and the full inspection is realized with high efficiency. The equipment has two functions: automatic detection and manual debugging. The equipment has beautiful appearance, reliable performance, convenient operation, simple maintenance, wider detection range, and more items can be detected at one time. It is a non-destructive test, and the product is still usable after the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of a comprehensive performance testing bench for automobile brake caliper EPB piston components.

[0016] Figure 2 This is a top view of the cross-sectional view of the structure of the comprehensive performance test bench for automobile brake caliper EPB piston components.

[0017] Figure 3 This is a right view schematic diagram of the structure of a comprehensive performance testing bench for automobile brake caliper EPB piston components.

[0018] Figure 4 This is a left sectional view of the structure of a comprehensive performance test bench for automobile brake caliper EPB piston components.

[0019] Figure 5This is a left view schematic diagram of the local structure of the comprehensive performance testing bench for automobile brake caliper EPB piston assembly.

[0020] Figure 6 This is a partial structural front view of the test bench for comprehensive performance testing of automobile brake caliper EPB piston components.

[0021] Figure 7 This is the left view of the local structure of the comprehensive performance test bench for automobile brake caliper EPB piston components.

[0022] Figure 8 This is a comprehensive performance test bench for automobile brake caliper EPB piston components. Figure 6 A is an enlarged view of the middle image.

[0023] Fig. 9 This is a comprehensive performance test bench for automobile brake caliper EPB piston components. Figure 7 Enlarged view of B.

[0024] In the figure, 1. control cabinet; 2. servo motor; 3. first frame; 4. first coupling; 5. torque sensor; 6. second coupling; 7. driving mechanism; 8. connecting frame; 9. fan plate; 10. pressure sensor; 11. operating mechanism; 12. test bench display; 13. temperature box display; 14. industrial computer; 15. printer; 16. second frame; 17. driving rod; 18. floating shaft; 19. spring; 20. spline bushing; 21. gland; 22. EPB caliper; 23. drawer; 24. keyboard; 25. glass door; 26. liquid level observation window; 27. exhaust observation window; 28. tooling maintenance cabinet door; 29. ​​temperature box door; 30. sensor quick-plug interface; 31. maintenance door; 32. slide rail; 33. slider; 34. cleaning plate; 35. cleaning brush. DETAILED DESCRIPTION

[0025] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9As shown, a comprehensive performance test bench for an EPB piston assembly of an automobile brake caliper comprises a control cabinet 1, a servo motor 2 is connected to the top of the rear side of the inner cavity of the control cabinet 1 through a fixing plate, a first frame 3 is connected to the top of the rear side of the inner cavity of the control cabinet 1 through a bracket, an output end of the servo motor 2 passes through the inner cavity of the first frame 3 and is fixedly connected to a first coupling 4, a torque sensor 5 is connected to the bottom of the first coupling 4 through bolts, a second coupling 6 is connected to the bottom of the torque sensor 5 through bolts, a driving mechanism 7 is connected to the bottom of the first frame 3 through bolts, a connecting frame 8 is connected to the bottom of the inner cavity of the control cabinet 1 through bolts, a fan-shaped plate 9 is movably connected to the top of the connecting frame 8 through a rotating shaft, a pressure sensor 10 is connected to the front side of the fan-shaped plate 9 through bolts, an operating mechanism 11 is movably connected to the front side of the control cabinet 1, and a test bench display 12, a temperature box display 13, an industrial computer 14 and a printer 15 are respectively inlaid and installed on the right side of the front side of the control cabinet 1.

[0027] During actual manufacturing, the driving mechanism 7 includes a second frame body 16, the top of the second frame body 16 is connected to the first frame body 3 by bolts, the top of the second frame body 16 is movably connected with a driving rod 17 through a bearing, the top of the driving rod 17 penetrates into the inner cavity of the first frame body 3 and is fixedly connected to the second coupling 6, the inner cavity of the driving rod 17 is movably connected with a floating shaft 18, the top of the surface of the floating shaft 18 is sleeved with a spring 19, the surface of the driving rod 17 is movably connected to the second frame body 16 through a bearing, the bottom end of the floating shaft 18 is fixedly connected with a spline sleeve 20, the bottom of the surface of the driving rod 17 is movably sleeved with a pressure cover 21, and the top of the pressure cover 21 is fixedly connected to the second frame body 16.

[0028] During actual manufacturing, an EPB caliper 22 is fixedly mounted on the surface of the sector plate 9 , and the EPB caliper 22 is located at the bottom of the driving mechanism 7 .

[0029] During actual manufacturing, the operating mechanism 11 includes a drawer plate 23 , the rear side of the drawer plate 23 penetrates into the inner cavity of the control cabinet 1 , and a keyboard 24 is placed on the top of the drawer plate 23 .

[0030] During actual manufacturing, a slide rail 32 is riveted to the front side of the control cabinet 1 , a slider 33 is slidably connected to the inner cavity of the slide rail 32 , a cleaning plate 34 is riveted to the front side of the slider 33 , and a cleaning brush 35 is fixedly connected to the bottom of the cleaning plate 34 .

[0031] During actual manufacturing, a glass door 25 is inlaid and installed on the left side of the front side of the control cabinet 1 , and a liquid level observation window 26 and an exhaust observation window 27 are respectively provided on the front side of the glass door 25 .

[0032] During actual manufacturing, the front side of the control cabinet 1 is connected with a tooling maintenance cabinet door 28 and a temperature box door 29 through hinges from top to bottom, the right side of the inner cavity of the control cabinet 1 is connected with a sensor quick-plug interface 30 through bolts, and the right side of the control cabinet 1 is connected with an inspection door 31 through a hinge.

[0033] In actual manufacturing, when it is necessary to test the conversion efficiency without a caliper, manually install the EPB piston assembly on the modified caliper body, then install the caliper body assembly on the surface of the fan-shaped plate 9 in the high and low temperature box, manually install the simulated brake pad with a force sensor on the caliper body, manually operate the keyboard 24 to set the loading force, loading speed, loading times and other parameters through the test software, and then click the start test button. The system automatically completes the test, draws curves, analyzes results, saves data and generates reports. At room temperature 23±5℃, the modified caliper without rectangular sealing rings and O-rings is The clamp body assembly is installed on the fan-shaped plate 9 with a force sensor in the center. The servo motor 2 applies a clamping force of 16.5KN to the product. The force value of the conversion rate is calculated to be 13.5kN. The loading speed is adjusted by the system so that the loading speed is approximately 24.5rpm when the loading force is 13.5kN. The initial loading speed is 100rpm. The 16.5kN clamping state is maintained for 3s, and then reversed and released at a speed of 45rpm. After the release, wait for 4s. Repeat the above test process 10 times, measure the data for the 10th time, and complete the test operation.

[0034] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A comprehensive performance test bench for an EPB piston assembly of an automobile brake caliper, comprising a control cabinet (1), characterized in that: The top of the rear side of the inner cavity of the control cabinet (1) is connected to a servo motor (2) via a fixing plate, the top of the rear side of the inner cavity of the control cabinet (1) is connected to a first frame (3) via a bracket, the output end of the servo motor (2) passes through the inner cavity of the first frame (3) and is fixedly connected to a first coupling (4), the bottom of the first coupling (4) is connected to a torque sensor (5) via bolts, the bottom of the torque sensor (5) is connected to a second coupling (6) via bolts, and the bottom of the first frame (3) is connected to a second coupling (6) via bolts. The control cabinet (1) is connected to a driving mechanism (7); the bottom of the inner cavity of the control cabinet (1) is connected to a connecting frame (8) by bolts; the top of the connecting frame (8) is movably connected to a fan-shaped plate (9) by a rotating shaft; the front side of the fan-shaped plate (9) is connected to a pressure sensor (10) by bolts; the front side of the control cabinet (1) is movably connected to an operating mechanism (11); and the right side of the front side of the control cabinet (1) is respectively inlaid with a test bench display (12), a temperature box display (13), an industrial computer (14) and a printer (15).

2. The comprehensive performance test bench for the EPB piston assembly of an automobile brake caliper according to claim 1 is characterized in that: The driving mechanism (7) comprises a second frame (16), the top of the second frame (16) is connected to the first frame (3) by bolts, the top of the second frame (16) is movably connected to a driving rod (17) through a bearing, the top of the driving rod (17) passes through the inner cavity of the first frame (3) and is fixedly connected to the second coupling (6), the inner cavity of the driving rod (17) is movably connected to a floating shaft (18), the top of the surface of the floating shaft (18) is sleeved with a spring (19), the surface of the driving rod (17) is movably connected to the second frame (16) through a bearing, the bottom end of the floating shaft (18) is fixedly connected to a spline sleeve (20), the bottom of the surface of the driving rod (17) is movably sleeved with a pressure cover (21), and the top of the pressure cover (21) is fixedly connected to the second frame (16).

3. The comprehensive performance test bench for automobile brake caliper EPB piston assembly according to claim 1 is characterized in that: An EPB caliper (22) is fixedly mounted on the surface of the sector plate (9), and the EPB caliper (22) is located at the bottom of the driving mechanism (7).

4. The comprehensive performance test bench for automobile brake caliper EPB piston assembly according to claim 1 is characterized in that: The operating mechanism (11) comprises a drawer plate (23), the rear side of the drawer plate (23) penetrates into the inner cavity of the control cabinet (1), and a keyboard (24) is placed on the top of the drawer plate (23).

5. The comprehensive performance test bench for automobile brake caliper EPB piston assembly according to claim 1 is characterized in that: A slide rail (32) is riveted to the front side of the control cabinet (1); a slider (33) is slidably connected to the inner cavity of the slide rail (32); a cleaning plate (34) is riveted to the front side of the slider (33); and a cleaning brush (35) is fixedly connected to the bottom of the cleaning plate (34).

6. The comprehensive performance test bench for automobile brake caliper EPB piston assembly according to claim 1 is characterized in that: A glass door (25) is inlaid and installed on the left side of the front side of the control cabinet (1), and a liquid level observation window (26) and an exhaust gas observation window (27) are respectively arranged on the front side of the glass door (25).

7. The comprehensive performance test bench for automobile brake caliper EPB piston assembly according to claim 1 is characterized in that: The front side of the control cabinet (1) is movably connected to a tool maintenance cabinet door (28) and a temperature chamber door (29) in sequence from top to bottom via hinges, the right side of the inner cavity of the control cabinet (1) is connected to a sensor quick-connect interface (30) via bolts, and the right side of the control cabinet (1) is movably connected to an inspection door (31) via a hinge.

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