High-precision automobile braking force and speed integrated detection device

Abstract

The utility model discloses a high-precision automobile braking force and speed integrated detection device, which relates to the technical field of automobile braking force detection, and comprises a power simulation rack, a driving shaft rod is arranged on the side surface of the power simulation rack, and the driving shaft rod is arranged on the side surface of the driving shaft rod. The driving shaft rod is provided with a main output shaft movably connected with the power simulation rack; a brake disc is mounted at one end, far away from the power simulation rack, of the main output shaft; a bottom stability detector is arranged below the brake disc and comprises a supporting roller attached to the brake disc, a U-shaped wheel frame is movably connected to the outer side of the supporting roller, and a photoelectric sensor is installed on the side face of the U-shaped wheel frame. According to the utility model, the compression spring applies upward thrust to the U-shaped wheel carrier, so that the supporting roller in the U-shaped wheel carrier is attached to the lower part of the brake disc, the bottom of the brake disc is supported, the brake disc is prevented from jumping up and down during rotation, the brake disc is more stable during rotation, and the monitoring precision of the brake disc is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile brake force detection technical field, specifically is high accuracy automobile brake force and speed integration detection device. BACKGROUND

[0002] Automobile brake force detection is the important link of ensuring that automobile brake system is safe and reliable, and most brake force detection methods need to move the vehicle to the detection platform, the sensor cannot be attached to the side of the brake disc because the brake disc is located at the bottom of the automobile, thereby affecting the detection precision;

[0003] Another brake force detection bench needs to fix the brake disc to the end of the bench output shaft, then uses the internal motor to drive the brake disc to rotate, thereby simulating the vehicle driving, and using the sensor on the bench to detect the brake disc.

[0004] However, in practice, people have noticed that when the brake disc is installed on the detection bench and rotates, the brake disc will appear longitudinal jumping due to centrifugal force, thereby causing the sensor to have larger deviation in the detection data of the brake disc, affecting the detection precision of the brake disc. UTILITY MODEL CONTENTS

[0005] The utility model discloses a high accuracy automobile brake force and speed integration detection device, through the U type wheel frame that can slide up and down, make the support gyro wheel attach in the bottom of brake disc, thereby support brake disc, make brake disc rotate more stable, and then improve the detection precision, and the longitudinal jumping of brake disc rotation can be detected through the pressure sensor. To solve the technical problem raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] High accuracy automobile brake force and speed integration detection device, including power simulation bench, the side of power simulation bench is equipped with drive shaft rod, drive shaft rod has the main output shaft that is movably connected with power simulation bench, and the one end of main output shaft is installed with brake disc away from power simulation bench;

[0008] The bottom of brake disc is equipped with bottom stability detector, and bottom stability detector includes the support gyro wheel that is attached with brake disc, and the outer side of support gyro wheel movably connects U type wheel frame, the side of U type wheel frame is installed with photoelectric sensor, and the other end of U type wheel frame is fixedly connected with extension support, and the other end of extension support is fixedly connected with infrared temperature sensor.

[0009] The bottom of the U-shaped wheel frame is fixedly connected with symmetrical limiting sliding rods, and a fixed base in sliding cooperation with the limiting sliding rods is movably connected to the lower portion of the U-shaped wheel frame, and a pressure sensor is arranged between the fixed base and the U-shaped wheel frame.

[0010] The fixed base comprises an I-shaped support, and a limiting sliding hole corresponding to the limiting sliding rod is formed in the upper portion of the I-shaped support, and a locking nut is threadedly connected to the end portion of the limiting sliding rod penetrating through the limiting sliding hole.

[0011] A compression spring is arranged above each limiting sliding hole, and the other end of the compression spring is attached to the lower portion of the U-shaped wheel frame, and the compression spring is sleeved on the outer side of the limiting sliding rod.

[0012] The pressure sensor is fixedly connected to the upper portion of the I-shaped support, and the other end of the pressure sensor is attached to the bottom of the U-shaped wheel frame.

[0013] The end portion of the main output shaft is integrally provided with a positioning column corresponding to the bolt hole, and the positioning column is inserted into the bolt hole on the brake disc.

[0014] The end portion of the main output shaft is further integrally provided with a threaded locking rod, and a locking sleeve is threadedly connected to the outer side of the threaded locking rod, and the locking sleeve is attached to the end of the brake disc away from the main output shaft.

[0015] The locking sleeve is threadedly connected with a positioning screw, and the end portion of the positioning screw penetrates through the locking sleeve and is inserted into the bolt hole on the brake disc, and the lower portion of the power simulation rack is fixedly connected with a test table, and the side surface of the power simulation rack is fixedly connected with a data display screen.

[0016] The bottom of the I-shaped support is fixedly connected with the test table.

[0017] The end portion of the caliper fixing support is fixedly connected with a caliper fixing support, and the caliper fixing support is sleeved on the upper portion of the brake caliper.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] 1. In this utility model, the compression spring applies an upward thrust to the U-shaped wheel frame, causing the support roller in the U-shaped wheel frame to fit against the bottom of the brake disc, supporting the bottom of the brake disc and preventing it from jumping up and down when rotating, thus making the brake disc rotate more smoothly and improving the monitoring accuracy of the brake disc.

[0020] 2. In this utility model, when the brake disc rotates, the support roller will rotate in the U-shaped wheel frame along with the rotation of the brake disc due to friction. The photoelectric sensor on the side of the U-shaped wheel frame can detect the rotation speed of the support roller, while the infrared temperature sensor on the other side can detect the surface temperature of the brake disc during braking. By the pressure change on the pressure sensor, the vibration of the brake disc during rotation can be monitored at any time, thereby improving the monitoring effect of vehicle braking force.

[0021] 3. In this utility model, the locking sleeve is rotated to the side of the brake disc through the threaded engagement between the locking sleeve and the threaded locking rod. The brake disc is squeezed by the engagement between the locking sleeve and the shoulder on the main output shaft. The end of the positioning screw on the locking sleeve is inserted into the hole opened on the brake disc to achieve the positioning effect and prevent the centrifugal force generated during rotation from causing relative movement between the locking sleeve and the threaded locking rod, thereby causing the locking sleeve to fall off the threaded locking rod. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model in use.

[0023] Figure 2 This utility model Figure 1 The left view.

[0024] Figure 3 This utility model Figure 1 A schematic diagram of the bottom structure.

[0025] Figure 4 This is a three-dimensional structural diagram of the present invention.

[0026] Figure 5 This utility model Figure 1 A magnified view of a portion of the image.

[0027] Figure 6 This is a three-dimensional structural diagram of the present invention.

[0028] Figure 7 This utility model Figure 1 A magnified view of a portion of the image.

[0029] In the picture:

[0030] Test bench-1, power simulation bench-2, data display screen-3, caliper mounting bracket-4, brake caliper-5, brake disc-6, drive shaft-7, main output shaft-71, positioning column-72, threaded locking rod-73, bottom stability detector-8, support roller-81, U-shaped wheel frame-82, photoelectric sensor-83, extension bracket-84, infrared temperature sensor-85, fixed base-86, I-shaped bracket-861, limit sliding hole-862, compression spring-863, pressure sensor-87, limit sliding rod-88, locking nut-89, locking sleeve-9, positioning screw-91. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figures 1-7 This utility model embodiment provides a high-precision integrated detection device for vehicle braking force and speed, including a power simulation test bench 2. A drive shaft 7 is provided on the side of the power simulation test bench 2. The drive shaft 7 has a main output shaft 71 that is movably connected to the power simulation test bench 2. A brake disc 6 is installed at the end of the main output shaft 71 away from the power simulation test bench 2.

[0033] A bottom stability detector 8 is provided below the brake disc 6. The bottom stability detector 8 includes a support roller 81 that fits against the brake disc 6. A U-shaped wheel frame 82 is movably connected to the outside of the support roller 81. A photoelectric sensor 83 is installed on the side of the U-shaped wheel frame 82. An extension bracket 84 is fixedly connected to the other end of the U-shaped wheel frame 82, and an infrared temperature sensor 85 is fixedly connected to the other end of the extension bracket 84.

[0034] Furthermore, a symmetrical limiting sliding rod 88 is fixedly connected to the bottom of the U-shaped wheel frame 82, and a fixed base 86 that slides with the limiting sliding rod 88 is movably connected to the bottom of the U-shaped wheel frame 82, and a pressure sensor 87 is provided between the fixed base 86 and the U-shaped wheel frame 82.

[0035] By adopting the above technical solution, when the brake disc 6 rotates, the support roller 81 will rotate in the U-shaped wheel frame 82 along with the rotation of the brake disc 6 due to friction. The photoelectric sensor 83 on the side of the U-shaped wheel frame 82 can detect the rotation speed of the support roller 81, while the infrared temperature sensor 85 on the other side can detect the surface temperature of the brake disc 6 during braking. By monitoring the pressure change on the pressure sensor 87, the vibration of the brake disc 6 during rotation can be monitored at any time, thereby improving the monitoring effect of vehicle braking force.

[0036] Furthermore, the fixed base 86 includes an I-shaped bracket 861, with a limiting sliding hole 862 corresponding to the limiting sliding rod 88 on the upper part of the I-shaped bracket 861, and a locking nut 89 threadedly connected to the end of the limiting sliding rod 88 through the limiting sliding hole 862.

[0037] More specifically, each of the aforementioned limiting sliding holes 862 is provided with a compression spring 863 above it, and the other end of the compression spring 863 is attached to the lower part of the U-shaped wheel frame 82, and the compression spring 863 is sleeved on the outside of the limiting sliding rod 88.

[0038] The pressure sensor 87 is fixedly connected above the I-shaped bracket 861, and the other end of the pressure sensor 87 is attached to the bottom of the U-shaped wheel frame 82.

[0039] By adopting the above technical solution, the compression spring 863 applies an upward thrust to the U-shaped wheel frame 82, causing the support roller 81 in the U-shaped wheel frame 82 to fit against the bottom of the brake disc 6, supporting the bottom of the brake disc 6 and preventing the brake disc 6 from jumping up and down when rotating, thereby making the brake disc 6 rotate more smoothly and improving the monitoring accuracy of the brake disc 6.

[0040] Furthermore, the brake disc 6 has bolt holes arranged in a ring array, and the end of the main output shaft 71 is integrally provided with a positioning post 72 corresponding to the bolt holes, and the positioning post 72 is inserted into the bolt holes on the brake disc 6.

[0041] Furthermore, the end of the main output shaft 71 is integrally provided with a threaded locking rod 73, and the outer side of the threaded locking rod 73 is threadedly connected with a locking sleeve 9, which is in contact with the end of the brake disc 6 away from the main output shaft 71.

[0042] Furthermore, a positioning screw 91 is threaded onto the locking sleeve 9, and the end of the positioning screw 91 passes through the locking sleeve 9 and is inserted into the bolt hole on the brake disc 6. A test bench 1 is fixedly connected to the lower part of the power simulation bench 2, and a data display screen 3 is fixedly connected to the side of the power simulation bench 2.

[0043] The bottom of the I-shaped bracket 861 is fixedly connected to the test bench 1.

[0044] Furthermore, the power simulation test bench 2 is fixedly connected to a caliper fixing bracket 4 at one end near the brake disc 6, and the end of the caliper fixing bracket 4 is fixedly connected to a caliper fixing bracket 4, and the caliper fixing bracket 4 is sleeved on top of the brake caliper 5.

[0045] By adopting the above technical solution, the locking sleeve 9 is rotated to the side of the brake disc 6 through the threaded engagement between the locking sleeve 9 and the threaded locking rod 73. The brake disc 6 is squeezed by the engagement between the locking sleeve 9 and the shoulder on the main output shaft 71. The end of the positioning screw 91 on the locking sleeve 9 is inserted into the hole opened on the brake disc 6 to achieve the positioning effect and prevent the centrifugal force generated during rotation from causing relative movement between the locking sleeve 9 and the threaded locking rod 73, thereby causing the locking sleeve 9 to fall off the threaded locking rod 73.

[0046] Furthermore, the power simulation test bench 2 is equipped with a drive motor, and the output shaft of the drive motor is connected to the main output shaft 71 through gear transmission. The drive motor drives the main output shaft 71 to rotate through gear meshing, thereby simulating the vehicle driving process.

[0047] Furthermore, the inner side of the power simulation test bench 2 is also equipped with an oil supply system, including an oil pump and an oil reservoir. The oil pump inlet is connected to the oil reservoir, and the oil pump outlet is connected to the brake caliper 5 through a hose.

[0048] The oil pump delivers hydraulic oil from the reservoir into the brake caliper 5 through a hose, pushing the brake piston inside the brake caliper 5 to move inward, squeezing both sides of the brake disc 6, thereby achieving braking of the brake disc 6.

[0049] Furthermore, a data processor is installed on the inner side of the power simulation test bench 2, and the data processor is electrically connected to the data display screen 3 via wires. The data detected by the sensors is transmitted to the data processor via wires, and after being processed by the data processor, the data is displayed on the data display screen 3.

[0050] Furthermore, the photoelectric sensor 83, infrared temperature sensor 85, and pressure sensor 87 are electrically connected to the data processor in the power simulation test bench 2 via wires, and the photoelectric sensor 83, infrared temperature sensor 85, and pressure sensor 87 transmit the collected data to the data processor for processing.

[0051] Furthermore, a support shaft is installed on the inner side of the support roller 81, and the end of the support shaft extends through the U-shaped wheel frame 82 into the photoelectric sensor 83. A light reflector is also installed on the end of the support shaft, and the photoelectric sensor 83 is respectively arranged on both sides of the light reflector.

[0052] The working principle of this utility model is as follows: In use, the brake disc 6 is first placed at the end of the main output shaft 71, with the side of the brake disc 6 abutting against the shoulder of the output shaft 71. The locating pins 72, arranged in a ring array at the end of the shoulder of the output shaft 71, are inserted into the bolt holes on the brake disc 6. Then, the locking sleeve 9 is fixed to the other side of the brake disc 6 via the threaded locking rod 73. Finally, the locating screws 91 on the locking sleeve 9 are tightened until the ends of the locating screws 91 are inserted into the appropriate bolt holes on the brake disc 6. The drive motor in the power simulation bench 2 drives the brake disc 6 to rotate via the main output shaft 71, simulating vehicle movement. The compression spring 863 applies an upward thrust to the U-shaped wheel frame 82, causing the support rollers 81 in the U-shaped wheel frame 82 to adhere to the bottom of the brake disc 6, providing support to the bottom of the brake disc 6 and improving stability during the simulation process. The device improves stability and detection accuracy. The supporting roller 81 rotates within the U-shaped wheel frame 82, following the rotation of the brake disc 6. A photoelectric sensor 83 on the side of the U-shaped wheel frame 82 detects the rotational speed of the supporting roller 81. The vibrations caused by the rotation of the brake disc 6 cause the U-shaped wheel frame 82 to move slightly up and down above the fixed base 86, pressing against the pressure sensor 87. The pressure change detected by the pressure sensor 87 indicates the stability of the brake disc 6 during rotation. During braking, the oil pump in the power simulation test bench 2 supplies oil to the brake caliper 5, achieving braking. An infrared temperature sensor 85 on the other side of the U-shaped wheel frame 82 detects the temperature of the brake disc 6 during braking, improving the monitoring accuracy of the device. The device has a simple structure, is very convenient to operate, and effectively reduces manual labor intensity.

[0053] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0054] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-precision integrated detection device for vehicle braking force and speed, characterized in that: Includes a power simulation test bench (2), a drive shaft (7) is provided on the side of the power simulation test bench (2), the drive shaft (7) has a main output shaft (71) that is movably connected to the power simulation test bench (2), and a brake disc (6) is installed at the end of the main output shaft (71) away from the power simulation test bench (2); A bottom stability detector (8) is provided below the brake disc (6). The bottom stability detector (8) includes a support roller (81) that fits against the brake disc (6). A U-shaped wheel frame (82) is movably connected to the outside of the support roller (81). A photoelectric sensor (83) is installed on the side of the U-shaped wheel frame (82). An extension bracket (84) is fixedly connected to the other end of the U-shaped wheel frame (82). An infrared temperature sensor (85) is fixedly connected to the other end of the extension bracket (84).

2. The high-precision integrated detection device for vehicle braking force and speed according to claim 1, characterized in that: The bottom of the U-shaped wheel frame (82) is fixedly connected with a symmetrical limiting sliding rod (88), and a fixed base (86) that slides with the limiting sliding rod (88) is movably connected to the bottom of the U-shaped wheel frame (82), and a pressure sensor (87) is provided between the fixed base (86) and the U-shaped wheel frame (82).

3. The high-precision integrated detection device for vehicle braking force and speed according to claim 2, characterized in that: The fixed base (86) includes an I-shaped bracket (861), and a limiting sliding hole (862) corresponding to the limiting sliding rod (88) is provided on the upper part of the I-shaped bracket (861). The end of the limiting sliding rod (88) is threaded through the limiting sliding hole (862) and connected to a locking nut (89).

4. The high-precision integrated detection device for vehicle braking force and speed according to claim 3, characterized in that: Each of the aforementioned limiting sliding holes (862) is provided with a compression spring (863) above it, and the other end of the compression spring (863) is in contact with the lower part of the U-shaped wheel frame (82), and the compression spring (863) is sleeved on the outside of the limiting sliding rod (88); The pressure sensor (87) is fixedly connected above the I-shaped bracket (861), and the other end of the pressure sensor (87) is attached to the bottom of the U-shaped wheel frame (82).

5. The high-precision integrated detection device for vehicle braking force and speed according to claim 4, characterized in that: The brake disc (6) has bolt holes arranged in a ring array, and the end of the main output shaft (71) is integrally provided with a positioning post (72) corresponding to the bolt holes, and the positioning post (72) is inserted into the bolt holes on the brake disc (6).

6. The high-precision integrated detection device for vehicle braking force and speed according to claim 5, characterized in that: The end of the main output shaft (71) is also integrally provided with a threaded locking rod (73), and the outer side of the threaded locking rod (73) is threadedly connected with a locking sleeve (9), which is in contact with the end of the brake disc (6) away from the main output shaft (71).

7. The high-precision integrated detection device for vehicle braking force and speed according to claim 6, characterized in that: The locking sleeve (9) is threaded with a positioning screw (91), and the end of the positioning screw (91) passes through the locking sleeve (9) and is inserted into the bolt hole on the brake disc (6). The power simulation bench (2) is fixedly connected to the bottom of the test bench (1), and the power simulation bench (2) is fixedly connected to the side of the data display screen (3). The bottom of the I-shaped bracket (861) is fixedly connected to the test bench (1).

8. The high-precision integrated detection device for vehicle braking force and speed according to claim 7, characterized in that: The power simulation test bench (2) is fixedly connected to a caliper fixing bracket (4) at one end near the brake disc (6), and the end of the caliper fixing bracket (4) is fixedly connected to a caliper fixing bracket (4), and the caliper fixing bracket (4) is sleeved on the top of the brake caliper (5).

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