CN210402899U

CN210402899U - Automobile brake teaching device

Info

Publication number: CN210402899U
Application number: CN201920401921.7U
Authority: CN
Inventors: 陈高路; 邱志华; 林志伟; 刘建平
Original assignee: Guangzhou Transport Vocational School Guangzhou Transport Senior Vocational And Technical School Guangzhou Transport Secondary Vocational School
Current assignee: Guangzhou Transport Vocational School Guangzhou Transport Senior Vocational And Technical School Guangzhou Transport Secondary Vocational School
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-04-24
Anticipated expiration: 2029-03-26

Abstract

The utility model relates to a teaching apparatus field, concretely relates to automobile brake teaching device, trample the footboard and drive first drive sprocket by the student and rotate, and then drive first driven sprocket and rotate, power is exported to a plurality of transmission shafts through driving pulley and driven pulley by first driven sprocket, satisfy the power demand of a plurality of transmission shafts, the tight brake disc of rethread braking caliper presss from both sides in order to simulate the experiment to car ABS, the power transmission stability that the device can be ensured to drive belt transmission and the driven pulley with driving pulley's power average assignment to a plurality of transmission shafts.

Description

Automobile brake teaching device

Technical Field

The utility model relates to a teaching apparatus field especially relates to an automobile brake teaching device.

Background

The automobile ABS teaching experiment bench is a teaching instrument for demonstrating an automobile brake system, and a set of power device is needed to drive the experiment bench in order to truly and clearly show the automobile brake state. The traditional power device usually uses an electric motor supported by electricity as a power source, a 380V power supply is required to be connected to enable the electric motor to drive a belt pulley to rotate, and a front shaft and a rear shaft of a teaching instrument device are driven to rotate through belt transmission, so that the rotation of wheels when an automobile runs is simulated.

The automobile ABS teaching experiment bench with the motor as a power source has the following defects: 1. in the training process, a plurality of training teaching stands are simultaneously started for use, so that the problems of large electric load, high requirement on electric supporting facilities of the teaching environment, incapability of being used in a power-free place and inconvenience in use are caused; 2. the motor is often dragged in the direction in the braking process of the teaching experiment bench, so that the motor is easy to damage, and the equipment failure rate is high; 3. the motor has certain dangerousness when rotating; 4. the electric drive needs to consume electric energy, and is not environment-friendly.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing an automobile braking teaching device to solve current automobile braking teaching device and require high, the fragile problem of driving motor to the supporting facility of electricity.

Based on this, the utility model provides an automobile brake teaching device, which comprises a driving mechanism, a transmission mechanism and a braking mechanism; the driving mechanism comprises a first driving chain wheel, a first driven chain wheel, a pedal connected to the first driving chain wheel and a first chain for connecting and meshing the first driving chain wheel and the first driven chain wheel; the transmission mechanism comprises a driving belt wheel, a driven belt wheel, a transmission belt and at least two transmission shafts, wherein the transmission belt is wound on the driving belt wheel and the driven belt wheel and is in transmission connection with the driving belt wheel and the driven belt wheel; the brake mechanism comprises a brake disc arranged on the transmission shaft and a brake caliper used for clamping the brake disc.

Preferably, the transmission mechanism further comprises a flywheel, and the flywheel is arranged on the transmission shaft.

Preferably, the number of the flywheels is plural, and the flywheels are uniformly arranged on both sides of the driven pulley.

Preferably, the brake disc is located at an end of the transmission shaft, and the flywheel and the brake disc are disposed adjacent to each other.

Preferably, a one-way clutch is arranged between the driven pulley and the transmission shaft.

Preferably, the driving mechanism further comprises a second driving sprocket, a second driven sprocket and a second chain, and the second chain is engaged with and is in transmission connection with the second driving sprocket and the second driven sprocket; the first driven sprocket is connected to the second driving sprocket, and the second driven sprocket is connected to the driving pulley.

Preferably, the number of teeth of the second drive sprocket is less than the number of teeth of the second driven sprocket.

Preferably, the transmission mechanism further comprises an input shaft, the driving pulley is arranged in the middle of the input shaft or at one end of the input shaft, and the second driven sprocket is arranged at the other end of the input shaft.

Preferably, the brake caliper further comprises a frame, the first driving chain wheel, the first driven chain wheel, the driving belt wheel and the transmission shaft are rotatably arranged on the frame, and the brake caliper is fixedly connected to the frame.

The utility model discloses an automobile brake teaching device, trample the footboard by the student and drive a drive sprocket and rotate, and then drive a driven sprocket and rotate, power is exported to a plurality of transmission shafts through driving pulley and driven pulley by a driven sprocket, satisfy the power demand of a plurality of transmission shafts, rethread brake caliper presss from both sides tight brake disc in order to simulate the experiment to car ABS, the power transmission stability that the device can be ensured to the drive belt transmission and with the driven pulley of driving pulley's power average assignment to a plurality of transmission shafts.

Drawings

Fig. 1 is the utility model discloses car braking teaching device's schematic structure diagram.

Wherein, 1, a driving mechanism; 11. a first drive sprocket; 12. a first driven sprocket; 13. a first chain; 14. a second drive sprocket; 15. a second driven sprocket; 16. a second chain; 17. a pedal; 2. a transmission mechanism; 21. a driving pulley; 22. a driven pulley; 23. a transmission belt; 24. a drive shaft; 25. a flywheel; 26. an input shaft; 3. a brake mechanism; 31. a brake disc; 32. a brake caliper; 4. a one-way clutch.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1, schematically showing the teaching device for automobile braking according to the present invention, the teaching device comprises a driving mechanism 1, a transmission mechanism 2 and a braking mechanism 3. The driving mechanism 1 comprises a first driving sprocket 11, a first driven sprocket 12, a pedal 17 connected to the first driving sprocket 11, and a first chain 13 connecting and meshing the first driving sprocket 11 and the first driven sprocket 12, wherein the number of teeth of the first driving sprocket 11 is less than that of the first driven sprocket 12, so as to realize speed reduction and torque increase. The transmission mechanism 2 includes a driving pulley 21, a driven pulley 22, a transmission belt 23 wound around the driving pulley 21 and the driven pulley 22 and in transmission connection with each other, and at least two transmission shafts 24, wherein the driving pulley 21 is directly or indirectly connected to the first driven sprocket 12, the driven pulleys 22 are provided on the transmission shafts 24, it is understood that the number of the driven pulleys 22 is the same as the number of the transmission shafts 24, one driven pulley 22 is provided on each transmission shaft 24, and the driving pulley 21 outputs the power of the first driven sprocket 12 to the plurality of driven pulleys 22 via the transmission belt 23 to evenly distribute the power. The brake mechanism 3 comprises a brake disc 31 arranged on the transmission shaft 24 and a brake caliper 32 used for clamping the brake disc 31, and the brake disc 31 is clamped through the brake caliper 32 to simulate the ABS of the automobile. The device is stepped on pedal 17 by the student and is carried out the input of power, can let the student participate in the in-process of experiment, arouses student's interest in learning, realizes that the edutainment improves the learning effect. And the device does not need to adopt electric power, can adapt to the place that lacks 380V power supply, and can also greatly reduce the energy consumption, energy-conservation environmental protection. And the maintenance of the existing driving motor are not needed to be considered, so that the maintenance cost of the device is reduced. Preferably, a one-way clutch 4 is provided between the driven pulley 22 and the transmission shaft 24, and the one-way clutch 4 only allows the driven pulley 22 to rotate the transmission shaft 24 in a predetermined rotation direction.

The transmission mechanism 2 further comprises a flywheel 25, the flywheel 25 is arranged on the transmission shaft 24, and due to the fact that the flywheel 25 is large in rotational inertia, the driving inertia of a vehicle during vehicle braking can be simulated, and the transmission shaft 24 can still rotate under the action of inertia after the manual power is interrupted and the brake caliper 32 clamps the brake disc 31, and a real braking process is simulated. The flywheels 25 are arranged in a plurality, and the flywheels 25 are uniformly arranged on two sides of the driven belt wheel 22, so that the transmission stability of the transmission shaft 24 is ensured, and the transmission shaft 24 is prevented from being twisted due to uneven stress. The brake disc 31 is located at the end of the transmission shaft 24, and the flywheel 25 and the brake disc 31 are arranged adjacently, so that the brake disc 31 arranged at the end of the transmission shaft 24 can be conveniently observed by a student at a close distance.

The driving mechanism 1 further comprises a second driving sprocket 14, a second driven sprocket 15 and a second chain 16, wherein the second chain 16 is engaged with and drivingly connected to the second driving sprocket 14 and the second driven sprocket 15. The first driven sprocket 12 is connected to the second driving sprocket 14, and the second driven sprocket 15 is connected to the driving pulley 21, wherein the number of teeth of the second driving sprocket 14 is less than that of the second driven sprocket 15, so as to realize further speed reduction and torque increase. In the present embodiment, the transmission mechanism 2 further includes an input shaft 26, the driving pulley 21 is provided at a middle portion or one end of the input shaft 26, and the second driven sprocket 15 is provided at the other end of the input shaft 26.

Specifically, the apparatus further includes a frame (not shown), on which the first driving sprocket 11, the first driven sprocket 12, the driving pulley 21 and the transmission shaft 24 are rotatably disposed through bearings, and the brake caliper 32 is fixedly connected to the frame.

To sum up, the utility model discloses an automobile brake teaching device tramples footboard 17 and drives first drive sprocket 11 by the student and rotates, and then drives first driven sprocket 12 and rotate, and power is exported to a plurality of transmission shafts 24 through driving pulley 21 and driven pulley 22 by first driven sprocket 12, satisfies a plurality of transmission shaft 24's power demand, rethread brake caliper 32 presss from both sides tight brake disc 31 in order to simulate the experiment to car ABS, the power transmission stability that the device can be ensured in the transmission of drive belt 23 and the driven pulley 22 with driving pulley 21's power average assignment to a plurality of transmission shafts 24.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The automobile brake teaching device is characterized by comprising a driving mechanism, a transmission mechanism and a braking mechanism; the driving mechanism comprises a first driving chain wheel, a first driven chain wheel, a pedal connected to the first driving chain wheel and a first chain for connecting and meshing the first driving chain wheel and the first driven chain wheel; the transmission mechanism comprises a driving belt wheel, a driven belt wheel, a transmission belt and at least two transmission shafts, wherein the transmission belt is wound on the driving belt wheel and the driven belt wheel and is in transmission connection with the driving belt wheel and the driven belt wheel; the brake mechanism comprises a brake disc arranged on the transmission shaft and a brake caliper used for clamping the brake disc.

2. The vehicle brake teaching device of claim 1 wherein the transmission further includes a flywheel, the flywheel being disposed on the transmission shaft.

3. The automobile brake teaching device according to claim 2, wherein the number of the flywheels is provided in plurality, and the flywheels are uniformly arranged on both sides of the driven pulley.

4. The vehicle brake teaching device of claim 2 wherein the brake disc is located at an end of the drive shaft and the flywheel and brake disc are disposed adjacent one another.

5. The vehicle brake teaching device of claim 1 wherein a one-way clutch is provided between the driven pulley and the drive shaft.

6. The vehicle brake teaching device of claim 1 wherein the drive mechanism further comprises a second drive sprocket, a second driven sprocket and a second chain, the second chain being engaged and drivingly connected to the second drive sprocket and the second driven sprocket; the first driven sprocket is connected to the second driving sprocket, and the second driven sprocket is connected to the driving pulley.

7. The vehicle brake teaching device of claim 6 wherein the number of teeth of the second drive sprocket is less than the number of teeth of the second driven sprocket.

8. The vehicle brake teaching device of claim 6 wherein the transmission further includes an input shaft, the drive pulley is disposed at a middle portion or one end of the input shaft, and the second driven sprocket is disposed at the other end of the input shaft.

9. The vehicle brake teaching device of claim 1 further comprising a frame, wherein the first drive sprocket, the first driven sprocket, the drive pulley and the drive shaft are rotatably mounted to the frame, and the brake caliper is fixedly attached to the frame.