CN114852024A

CN114852024A - Automatically controlled braking balancing pole adjusting device of cycle racing

Info

Publication number: CN114852024A
Application number: CN202210625157.8A
Authority: CN
Inventors: 陈天一; 王硕; 张瀚祺
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-08-05
Anticipated expiration: 2042-06-02
Also published as: CN114852024B

Abstract

The invention relates to the technical field of adjustment of a balance rod of a racing car and discloses an adjusting device for an electric control brake balance rod of the racing car, wherein a support hinged support is rotatably connected below a motor support, a stepping motor is fixedly connected above the motor support, a driving gear is fixedly connected to the outer side wall of an output shaft of the stepping motor, the brake balance rod is installed in the motor support, the right side of the outer side wall of the brake balance rod is in threaded connection with a driven gear, and the driven gear is in meshed connection with the driving gear; the invention controls the stepping motor to adjust the brake balance rod through the 4 multiplied by 4 matrix keyboard on the front panel of the racing car, and compared with the traditional manual adjustment mode, the system greatly simplifies the operation of adjusting the brake balance rod. Meanwhile, the system enables the adjustment precision to be higher through the characteristic that the single chip microcomputer and the driver further control the stepping motor, and improves the braking performance of the racing car to a certain extent.

Description

Automatically controlled braking balancing pole adjusting device of cycle racing

Technical Field

The invention relates to the technical field of adjustment of a balance rod of a racing car, in particular to an adjusting device of an electric control brake balance rod of the racing car.

Background

The brake balancing pole is as the important mode of adjusting cycle racing front and back wheel brake force distribution, and the mode of manual regulation has all been adopted for many years, but some problems can exist in the manual regulation mode, and the main problem embodies as follows:

the braking balancing pole is generally installed in the car forecabin of racing, needs the people to adjust in narrow and small space manually during the regulation, and it is very inconvenient and hard to operate under this kind of condition. In addition, the manual adjustment of the person is easy to generate large errors, and the influence on the braking performance of the racing car in a high-speed braking performance test project is very large, so that an electric control braking balance rod adjusting device of the racing car is to be designed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an electric control brake balancing lever adjusting device for a racing car, which solves the problems of inconvenient and labor-consuming operation and easy generation of large errors.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an electric control brake balance rod adjusting device for a racing car comprises a brake balance rod, a motor bracket, a bracket hinged support, a driven gear, a driving gear, a stepping motor, a single chip microcomputer, a driver and a 4 x 4 matrix keyboard, wherein the motor bracket is arranged on the front end of the motor bracket;

the support hinged support is rotatably connected below the motor support, the stepping motor is fixedly connected above the motor support, the driving gear is fixedly connected to the outer side wall of an output shaft of the stepping motor, the brake balancing rod is installed inside the motor support, the driven gear is in threaded connection with the right side of the outer side wall of the brake balancing rod, and the driven gear is in meshed connection with the driving gear;

the ROL3-ROL0 pins of the 4 x 4 matrix keyboard are sequentially connected with the PD0-PD3 pins of the single-chip microcomputer, and the COL0-COL3 pins of the 4 x 4 matrix keyboard are sequentially connected with the PD4-PD7 pins of the single-chip microcomputer;

the PE6 pin of the singlechip is connected with the ENA + pin of the driver;

the PE5 pin of the single chip microcomputer is connected with the DIR + pin of the driver;

a PC7 pin of the singlechip is connected with a PUL + pin of the driver;

the GND pin of the single chip microcomputer is respectively connected with the ENA-, DIR-and PUL-pins of the driver;

pins A +, A-, B + and B-of the driver are respectively connected with A, C, B, D pins of the stepping motor.

Preferably, a pedal bracket is integrally formed at the rear of the motor bracket.

Preferably, the number of the support hinged supports is two, a threaded hole is formed in the lower surface of each support hinged support, and the support hinged supports are fixed on the frame.

Preferably, the single chip microcomputer is STM 32.

(III) advantageous effects

The invention provides an electric control brake balancing rod adjusting device for racing cars, which has the following beneficial effects:

(1) compared with the traditional manual adjusting mode, the system greatly simplifies the operation of adjusting the brake balancing rod. Meanwhile, the system enables the adjustment precision to be higher through the characteristic that the single chip microcomputer and the driver further control the stepping motor, and improves the braking performance of the racing car to a certain extent.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a simplified diagram of the operation of the present invention;

FIG. 3 is a circuit diagram of the driver and the single chip microcomputer according to the present invention;

FIG. 4 is a pin connection diagram of a matrix keyboard according to the present invention.

In the figure: 1. a brake balancing lever; 2. a motor bracket; 3. a support hinged support; 4. a driven gear; 5. a driving gear; 6. a stepping motor; 7. a single chip microcomputer; 8. a driver; 9. a 4 x 4 matrix keyboard.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: an electric control brake balance rod adjusting device for racing cars comprises a brake balance rod 1, a motor support 2, a support hinged support 3, a driven gear 4, a driving gear 5, a stepping motor 6, a single chip microcomputer 7, a driver 8 and a 4 x 4 matrix keyboard 9;

a support hinged support 3 is rotatably connected below the motor support 2, a stepping motor 6 is fixedly connected above the motor support 2, a driving gear 5 is fixedly connected to the outer side wall of an output shaft of the stepping motor 6, a braking balance rod 1 is installed inside the motor support 2, a driven gear 4 is in threaded connection with the right side of the outer side wall of the braking balance rod 1, and the driven gear 4 is in meshed connection with the driving gear 5;

ROL3-ROL0 pins of the 4 x 4 matrix keyboard 9 are sequentially connected with PD0-PD3 pins of the single chip microcomputer 7, and COL0-COL3 pins of the 4 x 4 matrix keyboard 9 are sequentially connected with PD4-PD7 pins of the single chip microcomputer 7; setting for brake distribution ratio; the key function is set to be 0-9 of number, decimal point, deleted and determined, and the required braking force distribution ratio can be input into the STM32 single chip microcomputer through the 4 x 4 matrix keyboard 9.

A pin PE6 of the singlechip 7 is connected with an ENA + pin of the driver 8 and used for transmitting an enabling signal of the stepping motor 6; the PE5 pin of the singlechip 7 is connected with the DIR + pin of the driver 8 and used for transmitting direction signals; a PC7 pin of the singlechip 7 is connected with a PUL + pin of the driver 8 and is used for transmitting an angular displacement signal; the GND pin of the singlechip 7 is respectively connected with the ENA-, DIR-and PUL-pins of the driver 8, the driver 8 is connected with the development board by adopting a common cathode connection method, the STM32 singlechip obtains the direction and the angle of the rotation of the stepping motor 6 according to the braking force distribution ratio input by the 4 x 4 matrix keyboard 9, a direction signal is transmitted to the DIR + pin of the driver 8 from the PE5 pin of the STM32 singlechip, and an angular displacement signal is transmitted to the PUL + pin of the driver 8 from the PC7 pin of the STM32 singlechip;

the pins A +, A-, B + and B-of the driver 8 are respectively connected with the A, C, B, D pin of the stepping motor 6, (the series connection of the motor windings) for transmitting current. The driver controls the rotating direction and angle of the stepping motor according to the direction and angle signals sent by the STM32 single chip microcomputer.

Furthermore, a pedal support is integrally formed behind the motor support 2, and the movement of each part does not conflict when the pedal is stepped on.

Further, the number of the support hinged supports 3 is two, a threaded hole is formed in the lower surface of each support hinged support 3, and the support hinged supports 3 are fixed on the frame.

Furthermore, the type of the single chip microcomputer 7 is STM32, the single chip microcomputer 7 controls the stepping motor 6 to generate torque, and the torque transmission path is the output shaft of the stepping motor 6, the driving gear 5, the driven gear 4 and the brake balance rod 1, so that the purpose of adjusting the brake balance rod 1 is achieved.

In conclusion, the working process of the invention is as follows: through installing 4X 4 matrix keyboard on the front panel of the racing car and being connected with STM32 singlechip, the singlechip will calculate the direction and the angle that reachs step motor 6 and should rotate and send driver 8 for, driver 8 uses this as the foundation to adjust step motor 6's operating condition, goes on transmitting the moment of torsion to braking balancing pole 1 through the gear train, and then conveniently realizes the accurate distribution to the front and back wheel braking force of racing car.

Compared with the traditional mode of manually adjusting the brake balance rod 1, the adjustment system has the advantages that the adjustment of the brake balance rod 1 of the racing car is simplified, the adjustment precision is improved to a certain extent, and the brake performance of the racing car is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatically controlled brake balancing pole adjusting device of cycle racing which characterized in that: the brake device comprises a brake balancing rod (1), a motor bracket (2), a bracket hinged support (3), a driven gear (4), a driving gear (5), a stepping motor (6), a singlechip (7), a driver (8) and a 4 x 4 matrix keyboard (9);

the support hinged support (3) is rotatably connected below the motor support (2), the stepping motor (6) is fixedly connected above the motor support (2), the driving gear (5) is fixedly connected to the outer side wall of an output shaft of the stepping motor (6), the braking balance rod (1) is installed inside the motor support (2), the driven gear (4) is in threaded connection with the right side of the outer side wall of the braking balance rod (1), and the driven gear (4) is in meshed connection with the driving gear (5);

ROL3-ROL0 pins of the 4 x 4 matrix keyboard (9) are sequentially connected with PD0-PD3 pins of the single-chip microcomputer (7), and COL0-COL3 pins of the 4 x 4 matrix keyboard (9) are sequentially connected with PD4-PD7 pins of the single-chip microcomputer (7);

a PE6 pin of the singlechip (7) is connected with an ENA + pin of the driver (8);

a PE5 pin of the singlechip (7) is connected with a DIR + pin of the driver (8);

a PC7 pin of the singlechip (7) is connected with a PUL + pin of the driver (8);

the GND pin of the singlechip (7) is respectively connected with the ENA-, DIR-and PUL-pins of the driver (8);

the A +, A-, B + and B-pins of the driver (8) are respectively connected with A, C, B, D pins of the stepping motor (6).

2. An electrically controlled brake equalizer bar adjustment mechanism for racing vehicles as claimed in claim 1, wherein: a pedal support is integrally formed behind the motor support (2).

3. An electrically controlled brake equalizer bar adjustment mechanism for racing vehicles as claimed in claim 1, wherein: the support hinge supports (3) are two in number, a threaded hole is formed in the lower surface of each support hinge support (3), and the support hinge supports (3) are fixed on the frame.

4. An electrically controlled brake equalizer bar adjustment mechanism for racing vehicles as claimed in claim 1, wherein: the type of the single chip microcomputer (7) is STM 32.