CN220670788U - Braking force detection device for vehicle engineering - Google Patents

Abstract

The utility model discloses a braking force detection device for vehicle engineering and relates to the technical field of automobile braking force detection. A linkage belt is covered between an upper linkage wheel and a lower linkage wheel. A driven gear is connected to the top of the lower linkage wheel. A two-way motor The output ends are all connected with casings, and a driving inner rod is slidably connected inside the casing. The top of the driving inner rod is connected with a driving gear. The top of the pushing rod is rotationally connected to the top of the adjacent driving gear. This utility model drives the rotating disk by adjusting the motor. Synchronous movement aligns the rotating plate with the front and rear tires, and cooperates with the lifting cylinder to drive the car up, so that the rotating center line of the rotating plate is aligned with the rotating center line of the car tires. The bidirectional motor operates to drive the output end sleeve and drive inner rod to rotate, synchronously driving the telescopic The rod rotates so that the positioning rod is inserted into the gap of the wheel hub. For inspection of different models of vehicles, there is no need to manually adjust the positioning rod. The inspection process is simple and greatly reduces the manual labor intensity.

Description

A braking force detection device for vehicle engineering

Technical field

The utility model relates to the technical field of automobile braking force detection, and is specifically a braking force detection device for vehicle engineering.

Background technique

The brake of a car is the brake, and the braking force is the maximum achievable rolling friction, because the friction will suddenly drop when it changes from rolling to sliding, that is, the maximum rolling friction is greater than the sliding friction. This is why cars have anti-lock braking systems. Braking performance is one of the main performances of a car, which is related to driving safety.

The Chinese patent application number 202320738001.0 provides "a vehicle braking force detection device". The detection device can detect the braking force of different types of vehicles. However, when detecting the braking force, the device requires manual rotation of the threads one by one. rod, so that the positioning rod is embedded in the gap of the wheel hub. The entire adjustment process is cumbersome, the linkage is poor, and the labor intensity cannot be effectively reduced.

Utility model content

The utility model provides a braking force detection device for vehicle engineering, which can effectively solve the above background problems. In the Chinese patent application number 202320738001.0, "a vehicle braking force detection device" is provided. The detection device can detect different types of vehicles. However, when this device detects the braking force, it requires manual rotation of the threaded rods one by one so that the positioning rods are embedded in the gaps of the wheel hub. The entire adjustment process is cumbersome and has poor linkage, which cannot effectively reduce the problem of labor intensity.

In order to achieve the above purpose, the present utility model provides the following technical solution: a braking force detection device for vehicle engineering, including a detection platform. Support frames are installed on both sides of the detection platform, and a moving slide rail is installed on the top of the support frame. A moving base is slidably installed on both ends of the outer side of the moving slide rail. A connecting lug is welded to the bottom of the moving base. A bidirectional screw rod is rotatably installed at the bottom of the moving slide rail. The connecting lug is connected to both ends of the bidirectional screw rod through threads. , an adjusting motor is installed on one end of the support frame, and the output end of the adjusting motor is connected to one end of the adjacent two-way screw rod;

The top of the movable base is rotatably installed with an adjusting screw rod, and a telescopic hole is provided inside the adjusting screw rod. One side of the movable base is connected to a connecting frame, and the top of the connecting frame is rotatably installed with an upper linkage wheel. The upper linkage wheel A telescopic rod is connected to the top of the wheel, and the telescopic rod is embedded in the adjacent telescopic hole. A detector is rotationally connected to the top of the adjusting screw rod. The rotation detection end of the detector is connected to a rotating disk. One side of the rotating disk is connected to There is a positioning rod, the bottom of the detector is connected to a limit rod, and the limit rod runs through both sides of the movable base;

A lower linkage wheel is rotatably installed at the bottom of the connecting frame, a linkage belt is covered between the upper linkage wheel and the lower linkage wheel, a driven gear is connected to the top of the lower linkage wheel, and a driven gear is installed in the middle of both sides of the detection platform. Bidirectional motor, the output end of the bidirectional motor is connected with a casing, a driving inner rod is slidably connected inside the casing, a driving gear is connected to the top of the driving inner rod, and a push rod is installed at the bottom of the connecting frame, so The top end of the push rod is rotatably connected to the top end of the adjacent drive gear.

Preferably, a lifting cylinder is installed in a slot in the middle of the detection platform, and a lifting plate is connected to the output end of the lifting cylinder.

Preferably, the outer side of the moving slide rail is a smooth surface, the longitudinal cross-sectional shapes of the moving slide rail and the moving base are rectangular shapes that fit each other, and the input end of the adjusting motor is electrically connected to the output end of the external power supply.

Preferably, the inner wall of the telescopic hole and the outside of the telescopic rod have uniform and smooth surfaces, and the longitudinal cross-sectional shapes of the telescopic hole and the telescopic rod are regular hexagons that fit each other;

Two adjacent driven gears and driving gears mesh with each other, the input end of the bidirectional motor is electrically connected to the output end of the external power supply, and the longitudinal cross-sectional shapes of the sleeve and the driving inner rod are regular hexagons that fit each other. .

Preferably, an electric push rod is installed on the top of the detector, the output end of the electric push rod is connected to a positioning motor, the output end of the positioning motor is connected to a positioning gear, and a toothed disk is installed on one side of the rotating disk.

Preferably, the electric push rod is electrically connected to the input end of the positioning motor and the output end of the external power supply, and the positioning gear and the toothed plate mesh with each other.

Compared with the existing technology, the beneficial effects of this utility model are:

1. It is equipped with a two-way screw rod, an adjusting motor, an adjusting screw rod, an upper linkage wheel, a telescopic rod, a detector, a rotating disk, a positioning rod, a lower linkage wheel, a linkage belt, a driven gear, a push rod, a two-way motor, and a bushing. , drive the inner rod and drive gear, and adjust the motor to drive the rotating plate to move synchronously, so that the rotating plate is aligned with the front and rear tires, and cooperate with the lifting cylinder to drive the car up, so that the rotating center line of the rotating plate is aligned with the rotating center line of the car tires, so that the device can Adjust according to the diameter of different tires. At the same time, the bidirectional motor drives the casing at the output end and the driving inner rod to rotate, driving the lower linkage wheel to rotate. Under the connection of the linkage belt, it synchronously drives the upper linkage wheel and telescopic rod to rotate, so that The positioning rod is inserted into the gap of the wheel hub, so that the device can be applied to cars with different wheel bases. After the positioning rod is inserted, the car starts, driving the rotating disk to rotate. After braking, the detector records the data. The entire device does not require manual adjustment of positioning. The detection process is convenient and the manual labor intensity is greatly reduced.

2. There is an electric push rod, a positioning motor, a toothed plate and a positioning gear. During the test, the electric pushrod drives the positioning motor to move so that the positioning gear and the toothed plate mesh with each other. The positioning motor drives the positioning gear to rotate. On the toothed plate Under the connection function, the rotating disk and the positioning rod are driven to rotate, so that the positioning rod can be inserted into the gap between the wheel hubs. There is no need to manually adjust the positioning rod to align with the gap of the wheel hub, making the detection process easier.

Description of the drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used to explain the present utility model together with the embodiments of the present utility model, and do not constitute a limitation of the present utility model.

In the attached picture:

Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a schematic diagram of the installation structure of the lifting cylinder of the present utility model;

Figure 3 is a schematic diagram of the installation structure of the driving gear of the present utility model;

Figure 4 is a schematic diagram of the installation structure of the toothed disc of the present invention;

Numbers in the picture: 1. Testing table; 2. Support frame; 3. Moving slide rail; 4. Moving base; 5. Connecting ear; 6. Two-way screw rod; 7. Adjusting motor; 8. Adjusting screw rod; 9. Telescopic hole; 10, connecting frame; 11, upper linkage wheel; 12, telescopic rod; 13, detector; 14, rotating plate; 15, positioning rod; 16, lower linkage wheel; 17, linkage belt; 18, driven gear; 19. Push rod; 20. Two-way motor; 21. Bushing; 22. Driving inner rod; 23. Driving gear; 24. Lifting cylinder; 25. Lifting plate; 26. Electric push rod; 27. Positioning motor; 28. Gear Disk; 29. Positioning gear; 30. Limiting rod.

Detailed ways

Preferred embodiments of the present utility model will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

Embodiment: As shown in Figures 1-4, the present utility model provides a technical solution for a braking force detection device for vehicle engineering. A braking force detection device for vehicle engineering includes a detection platform 1. Supports are installed on both sides of the detection platform 1. Frame 2, a movable slide rail 3 is installed on the top of the support frame 2, a movable base 4 is slidably installed at both ends of the movable slide rail 3, a connecting ear 5 is welded to the bottom of the movable base 4, and a two-way screw rod 6 is rotatably installed at the bottom of the movable slide rail 3. , the connecting ear 5 is connected to both ends of the two-way screw rod 6 through threads, the support frame 2 is equipped with an adjusting motor 7 on one end, the output end of the adjusting motor 7 is connected to one end of the adjacent two-way screw rod 6, and the input end of the adjusting motor 7 is connected to the external power supply The output end is electrically connected;

The outer side of the movable slide rail 3 is a smooth surface, and the frictional resistance between the movable slide rail 3 and the movable base 4 is reduced, so that the movable base 4 can move smoothly on the movable slide rail 3. The longitudinal cross-sectional shape of the movable slide rail 3 and the movable base 4 It is a rectangular shape that fits each other. When the two-way screw rod 6 rotates, the movable base 4 can stably translate on the movable slide rail 3;

The top of the moving base 4 is rotatably installed with an adjusting screw rod 8. A telescopic hole 9 is provided inside the adjusting screw rod 8. A connecting frame 10 is connected to one side of the moving base 4. An upper linkage wheel 11 is rotatably installed at the top of the connecting frame 10. The upper linkage wheel 11 The telescopic rod 12 is connected to the top. The telescopic rod 12 is embedded inside the adjacent telescopic hole 9. The inner wall of the telescopic hole 9 and the outside of the telescopic rod 12 are evenly smooth. The friction resistance between the telescopic hole 9 and the telescopic rod 12 is reduced. The telescopic rod 12 It can move smoothly inside the telescopic hole 9. The longitudinal cross-sectional shapes of the telescopic hole 9 and the telescopic rod 12 are regular hexagons that fit each other. When the telescopic rod 12 rotates, under the action of position restriction, the telescopic rod 12 can drive the adjusting screw rod 8. Rotate, the top of the adjusting screw 8 is connected to a detector 13, the rotating detection end of the detector 13 is connected to a rotating disk 14, one side of the rotating disk 14 is connected to a positioning rod 15, the bottom of the detector 13 is connected to a limit rod 30, the limit rod 30 penetrates both sides of the moving base 4, and the limiting rod 30 plays a limiting role to prevent the detector 13 from rotating;

A lower linkage wheel 16 is rotatably installed at the bottom of the connecting frame 10, a linkage belt 17 is covered between the upper linkage wheel 11 and the lower linkage wheel 16, a driven gear 18 is connected to the top of the lower linkage wheel 16, and a driven gear 18 is installed on both sides of the detection platform 1. The two-way motor 20 and the output end of the two-way motor 20 are connected to a sleeve 21. A driving inner rod 22 is slidably connected inside the sleeve 21. A driving gear 23 is connected to the top of the driving inner rod 22. A push rod 19 is installed at the bottom of the connecting frame 10. The top end of the push rod 19 is rotationally connected to the top end of the adjacent drive gear 23;

The input end of the bidirectional motor 20 is electrically connected to the output end of the external power supply. The longitudinal cross-section shapes of the bushing 21 and the driving inner rod 22 are regular hexagons that fit each other. The operation of the bidirectional motor 20 can drive the bushing 21 at the output end to rotate. When the bushing Under the limited position between 21 and the driving inner rod 22, the sleeve 21 can drive the driving inner rod 22 to rotate, and then drive the driving gear 23 to rotate. The two adjacent driven gears 18 and the driving gear 23 mesh with each other, and then drive the driving gear 23 to rotate. The driven gear 18 rotates;

A lifting cylinder 24 is installed in the middle of the testing platform 1. The output end of the lifting cylinder 24 is connected to a lifting plate 25. The lifting cylinder 24 can drive the lifting plate 25 to rise or fall. During testing, drive the car to the top of the testing platform 1 and lift the cylinder. 24 can drive the car up and down, so that the rotation center line of the rotating disk 14 can be aligned with the rotation center line of the car tires, so that the device can detect car tires of various sizes and diameters;

An electric push rod 26 is installed on the top of the detector 13. The output end of the electric push rod 26 is connected to a positioning motor 27. The output end of the positioning motor 27 is connected to a positioning gear 29. A toothed disc 28 is installed on one side of the rotating disk 14. The electric push rod 26 and The input end of the positioning motor 27 is electrically connected to the output end of the external power supply. During the test, the electric push rod 26 drives the positioning motor 27 to move, so that the positioning gear 29 and the gear plate 28 mesh with each other. The positioning motor 27 drives the positioning gear 29 to rotate. Under the connection effect of the toothed disc 28, the rotating disc 14 and the positioning rod 15 are driven to rotate, so that the positioning rod 15 can be inserted into the gap between the wheel hubs, and there is no need to manually adjust the positioning rod 15 to align with the gap of the wheel hubs.

The working principle and usage process of the utility model: when using the detection device, drive the car to the top of the detection platform 1, control the rotation of the adjusting motor 7 according to the distance between the front wheel and the rear wheel of the car, and the adjusting motor 7 drives the two-way screw rod 6 to rotate , under the limiting effect of the movable base 4 and the movable slide rail 3 and the connection of the connecting ears 5, the adjusting motor 7 drives the movable base 4 to move closer to or away from each other on the movable slide rail 3. While moving, the push rod 19 and Under the action of the rotation connection of the driving gear 23, the driving inner rod 22 is pushed to expand and contract in the sleeve 21;

Under the connection of the connecting frame 10, the rotating disk 14 moves synchronously. When the rotating disk 14 is aligned with the front and rear tires, the adjusting motor 7 stops running. According to the detected tire diameter of the car, the lifting cylinder 24 drives the lifting plate 25 to rise. The lifting plate 25 drives the car to rise. When the rotation center line of the rotating disk 14 is aligned with the rotation center line of the car tire, the lifting cylinder 24 suspends operation;

The electric push rod 26 drives the positioning motor 27 to move, so that the positioning gear 29 and the gear plate 28 mesh with each other. The positioning motor 27 drives the positioning gear 29 to rotate. Under the connection effect of the gear plate 28, it drives the rotating plate 14 and the positioning rod 15 to rotate. , align the positioning rod 15 with the gap in the wheel hub. After alignment, the electric push rod 26 drives the positioning gear 29 to separate from the gear plate 28;

The operation of the bidirectional motor 20 drives the sleeve 21 at the output end to rotate. Under the limited position between the sleeve 21 and the driving inner rod 22, the sleeve 21 drives the driving inner rod 22 to rotate, and then drives the driving gear 23 to rotate. Two adjacent ones The driven gear 18 and the driving gear 23 mesh with each other, thereby driving the driven gear 18 and the lower linkage wheel 16 to rotate. Under the connection of the linkage belt 17, the upper linkage wheel 11 and the telescopic rod 12 are synchronously driven to rotate. Under the position restriction of 12 and the telescopic hole 9, the telescopic rod 12 drives the adjusting screw 8 to rotate. Under the limiting action of the limit rod 30, the positioning rod 15 is inserted into the gap of the wheel hub. After the positioning rod 15 is inserted, the car Start to drive the rotating disk 14 to rotate. After braking, the detector 13 records the data.

Finally, it should be noted that the above are only preferred examples of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions recorded in the foregoing embodiments, or to make equivalent replacements for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. The braking force detection device for the vehicle engineering comprises a detection table (1), and is characterized in that support frames (2) are installed on two sides of the detection table (1), a movable sliding rail (3) is installed at the top of each support frame (2), movable bases (4) are slidably installed at two ends of the outer side of each movable sliding rail (3), connecting lugs (5) are welded at the bottoms of the movable bases (4), two-way screw rods (6) are rotatably installed at the bottoms of the movable sliding rails (3), the connecting lugs (5) are connected with two ends of the two-way screw rods (6) through threads, an adjusting motor (7) is installed at one end of each support frame (2), and the output end of each adjusting motor (7) is connected with one end of each adjacent two-way screw rod (6).

An adjusting screw (8) is rotatably arranged at the top of the movable seat (4), a telescopic hole (9) is formed in the adjusting screw (8), a connecting frame (10) is connected to one side of the movable seat (4), an upper linkage wheel (11) is rotatably arranged at the top of the connecting frame (10), a telescopic rod (12) is connected to the top end of the upper linkage wheel (11), the telescopic rod (12) is embedded into the adjacent telescopic hole (9), a detector (13) is rotatably connected to the top end of the adjusting screw (8), a rotating disc (14) is connected to the rotating detection end of the detector (13), a positioning rod (15) is connected to one side of the rotating disc (14), a limiting rod (30) is connected to the bottom of the detector (13), and the limiting rod (30) penetrates through two sides of the movable seat (4);

the utility model discloses a motor drive device for a motor vehicle, including link (10) including connecting frame, connecting frame (10), connecting frame (22), connecting frame (10) bottom rotation is installed lower linkage wheel (16), cladding has linkage area (17) between upper linkage wheel (11) and lower linkage wheel (16), lower linkage wheel (16) top is connected with driven gear (18), install bi-directional motor (20) in the middle of the both sides of detecting platform (1), bi-directional motor (20) output all is connected with sleeve pipe (21), sleeve pipe (21) inside slip has cup jointed drive interior pole (22), drive interior pole (22) top is connected with drive gear (23), catch bar (19) are installed to connecting frame (10) bottom, rotate between catch bar (19) top and the adjacent drive gear (23) top and be connected.

2. The braking force detection device for vehicle engineering according to claim 1, wherein a lifting cylinder (24) is installed in a slot in the middle of the detection table (1), and the output end of the lifting cylinder (24) is connected with a lifting plate (25).

3. The braking force detection device for vehicle engineering according to claim 1, wherein the outer side of the movable sliding rail (3) is a smooth surface, the longitudinal section shapes of the movable sliding rail (3) and the movable seat (4) are rectangular which are mutually matched, and the input end of the adjusting motor (7) is electrically connected with the output end of an external power supply.

4. The braking force detection device for vehicle engineering according to claim 1, wherein the inner wall of the telescopic hole (9) and the outer side of the telescopic rod (12) are uniformly smooth, and the longitudinal section shapes of the telescopic hole (9) and the telescopic rod (12) are regular hexagons which are mutually matched;

the two adjacent driven gears (18) are meshed with the driving gear (23), the input end of the bidirectional motor (20) is electrically connected with the output end of an external power supply, and the longitudinal section shapes of the sleeve (21) and the driving inner rod (22) are regular hexagons which are mutually matched.

5. The braking force detection device for vehicle engineering according to claim 1, wherein an electric push rod (26) is installed at the top of the detector (13), the output end of the electric push rod (26) is connected with a positioning motor (27), the output end of the positioning motor (27) is connected with a positioning gear (29), and a fluted disc (28) is installed on one side of the rotating disc (14).

6. The braking force detection device for vehicle engineering according to claim 5, wherein the input end of the electric push rod (26) and the positioning motor (27) are electrically connected with the output end of an external power supply, and the positioning gear (29) and the fluted disc (28) are meshed with each other.