CN111006886A

CN111006886A - Steering mechanism of automobile simulator

Info

Publication number: CN111006886A
Application number: CN201911287793.9A
Authority: CN
Inventors: 古国雄; 卫依博
Original assignee: Shenzhen Zhongzhi Simulation Technology Co ltd
Current assignee: Shenzhen Zhongzhi Simulation Technology Co ltd
Priority date: 2019-12-15
Filing date: 2019-12-15
Publication date: 2020-04-14

Abstract

The invention mainly relates to the field of steering wheel simulators, in particular to a steering mechanism of an automobile simulator, which comprises a fixed shell, a servo motor, a motor gear, a main shaft, a first main shaft gear, a second main shaft gear, a limiting shaft, a limiting block, a limiting plate, a non-contact Hall sensor, a shaft sleeve, a light deflector rod, a windshield wiper deflector rod, a switch shell and a steering wheel spline; the steering mechanism of the automobile simulator effectively solves the difficulty of simulation degree, and simulates the real automobile effect to the maximum extent by the transmission of the secondary gear and the matching of the non-contact Hall sensor; the fixed shell is a metal plate, so that punching, welding and appearance structure modification are more convenient and faster, and the adaptability is better; the limiting device adopts pure physics limitation, the main body limiting block adopts a detachable type, the limiting angle and the limiting position are conveniently adjusted, the maintenance and the replacement are also convenient, and the limitation of the type can provide better critical hand feeling feedback while the limiting angle is ensured.

Description

Steering mechanism of automobile simulator

Technical Field

The invention mainly relates to the field of steering wheel simulators, in particular to a steering mechanism of an automobile simulator.

Background

The existing portable steering system has the defects of insufficient diversity, single brand, limited functionality for game use and no professional test equipment for driving simulation direction in the market; the existing product is mainly portable, the main body is designed by adopting a plastic shell, and the internal structure sacrifices the adaptability of portable requirements and various environments on the premise of sacrificing the functionality.

The existing portable steering wheel steering assembly system for testing or playing is poor in simulation degree, and has a main structural mode of main shaft → main shaft gear → rack → stop, and is matched with a torsion spring to perform return motion, so that the rotation angle is reduced in a gear and rack stage, and a potentiometer outputs a stage angle signal.

The mode is mainly used for ensuring the lightness and portability of the whole equipment and the cost of the die, so that the length size of a main shaft, the limit length of a rack, the acquisition precision of a potentiometer and the like are reduced, and the corresponding reaction cannot be made on the force feedback returned by a software layer; the limit function is not enough to meet the requirements of steering wheel limit in the aspects of driving training and driving simulation; the signal collected by the potentiometer is nonlinear and periodic, and cannot simulate the fine angle change of a real vehicle; the steering wheel type number is fixed, can't adapt to many models of vehicle type, and uses the recreation as the purpose, increases the function key, reduces the size, has sacrificed the simulation degree.

The existing products are single in matching and combination, the steering system and gears must be matched and used in the same series of products, the compatibility degree is low, the integral layer surface installation means is single, namely the steering system can only be fixed by a platform fastening method, if the angle, the position and the front and back elevation angles of the steering system need to be adjusted, the steering system must be started from a main body of a fixed support, and the universality is poor.

Disclosure of Invention

In order to solve the technical problem, the invention provides a steering mechanism of an automobile simulator, which is realized by the following technical scheme:

a steering mechanism of an automobile simulator comprises a fixed shell, a servo motor, a motor gear, a main shaft, a first main shaft gear, a second main shaft gear, a limiting shaft, a limiting block, a limiting plate, a non-contact Hall sensor, a shaft sleeve, a light deflector rod, a windshield wiper deflector rod, a switch shell and a steering wheel spline;

the fixed shell is made of metal materials, and the servo motor, the motor gear, the first main shaft gear, the second main shaft gear, the limiting shaft, the limiting block, the limiting plate and the non-contact Hall sensor are arranged in the fixed shell; the shaft sleeve is arranged in the middle of the fixed shell, the main shaft is arranged in the shaft sleeve, the switch shell is arranged on the shaft sleeve, one end of the main shaft extends out of the shaft sleeve and is provided with the steering wheel spline, and the other end of the main shaft extends into the fixed shell; the part of the main shaft, which is positioned in the fixed shell, is provided with the first main shaft gear and the second main shaft gear, the limiting shaft is parallelly and rotatably arranged on the side part of the main shaft, the limiting shaft is meshed with the first main shaft gear through a limiting shaft gear, the end part of the limiting shaft is provided with a turntable, and the non-contact Hall sensor detects the rotating angle of the turntable through a support frame; the limiting plate is fixed in the middle of the limiting shaft, and the limiting block is fixed on the fixed shell; the second driving shaft gear is arranged at the end part of the main shaft, the second driving shaft gear is meshed with the motor gear, the servo motor is fixed in the fixed shell, and the rotor shaft is fixedly connected with the motor gear.

Preferably, the light lever and the wiper lever are disposed at both sides of the switch case.

Preferably, the steering wheel spline is detachably disposed on the main shaft by a snap strip.

Preferably, the stopper is detachably disposed on the fixed housing by a screw.

The invention has the beneficial effects that:

the steering mechanism of the automobile simulator effectively solves the difficulty of simulation degree, and simulates the real automobile effect to the maximum extent by the transmission of the secondary gear and the matching of the non-contact Hall sensor, namely the limit requirements of two and a half circles at the left and the right and 1080 degrees, the signal acquisition precision is high, the angle change of more than 0.1 degree can be distinguished on the simulation level, and the analysis test and the related research and development of driving are facilitated; the fixed shell is a metal plate, so that punching, welding and appearance structure modification are more convenient and faster, and the adaptability is better; a Mitsubishi servo motor is adopted to provide the assistance of a forward and reverse steering wheel for a user; the device adopts hard tooth surface gear transmission, the tooth surface can be subjected to carburization treatment, the strength is high, the device can bear various forms of rotation of a user, and the transmission efficiency is superior to that of an old product; the limiting device adopts pure physical limiting, the main limiting block adopts a detachable type, the limiting angle and the limiting position can be conveniently adjusted, the maintenance and the replacement can be conveniently carried out, and the limiting of the type can provide better critical hand feeling feedback while the limiting angle is ensured; the high-power motor can provide users with smooth and powerful reverse acting force and steering wheel return positive hand feeling, the hand feeling is superior to that of the existing torsion spring scheme, the assisting force and the resistance are linear changes, and the torsion spring is different from the nonlinear changes of the torsion spring and is easier to collect and analyze.

Drawings

Fig. 1 is a schematic structural diagram of a steering mechanism of an automobile simulator according to the present invention.

Detailed Description

The preferred mechanisms and methods of motion realization of the present invention are further described below in conjunction with the figures and the detailed description.

A steering mechanism of an automobile simulator comprises a fixed shell 1, a servo motor 2, a motor gear 3, a main shaft 4, a first main shaft gear 5, a second main shaft gear 6, a limiting shaft 7, a limiting block 8, a limiting plate 9, a non-contact Hall sensor 10, a shaft sleeve 11, a light deflector rod 12, a windshield wiper deflector rod 13, a switch shell 14 and a steering wheel spline 15;

the fixed shell 1 is made of metal, and the servo motor 2, the motor gear 3, the first spindle gear 5, the second spindle gear 6, the limiting shaft 7, the limiting block 8, the limiting plate 9 and the non-contact Hall sensor 10 are arranged in the fixed shell 1; the shaft sleeve 11 is arranged in the middle of the fixed shell 1, the main shaft 4 is arranged in the shaft sleeve 11, the switch shell 14 is arranged on the shaft sleeve 11, the light deflector rod 12 and the wiper deflector rod 13 are arranged on two sides of the switch shell 14, and the switch shell 14 is used for detecting signals of the light deflector rod 12 and the wiper deflector rod 13 in a moving state and sending the signals to required hardware or software. The part of one end of the main shaft 4 extending out of the shaft sleeve 11 is provided with the steering wheel spline 15, a clamping strip along the main shaft is arranged in the steering wheel spline 15, a bayonet is correspondingly arranged on the main shaft, so that the steering wheel spline 15 can be detachably configured in a sleeved mode, the steering wheel spline is convenient to replace, and as the sizes and the shapes of the steering wheels of automobiles of various manufacturers or types are different, the shapes of racks of the steering wheel spline 15 are different, the steering wheels of different shapes can be conveniently replaced as required; the other end of the main shaft 4 extends into the fixed shell 1; the part of the main shaft 4, which is positioned in the fixed shell 1, is provided with the first main shaft gear 5 and the second main shaft gear 6, the limiting shaft 7 is parallelly and rotatably arranged on the side part of the main shaft 4, the limiting shaft 7 is meshed with the first main shaft gear 5 through a limiting shaft gear 16, the end part of the limiting shaft 7 is provided with a turntable, the non-contact Hall sensor 10 is fixed through a support frame 17 and detects the rotating angle of the turntable, so that the rotating angle of the steering wheel is detected; the limiting plate 9 is fixed in the middle of the limiting shaft 7, the limiting block 8 is fixed on the fixed shell, the limiting block 8 is detachably arranged on the fixed shell through screws, and the fixed shell 1 is provided with a plurality of screw holes 18, so that the position of the limiting block 8 can be changed, and the required limiting number of turns or degree can be changed; the second driving shaft gear 6 is disposed at an end of the main shaft 4, the second driving shaft gear 6 is engaged with the motor gear 3, the servo motor 2 is fixed in the fixed housing 1, and a rotor shaft is fixedly connected to the motor gear 3.

When the non-contact type Hall sensor 10 is used, if the main shaft 4 is rotated through a steering wheel, the main shaft 4 rotates, the first driving shaft gear 6 is meshed with the limiting shaft 7, the limiting shaft 7 rotates to drive the limiting plate 9 to rotate, when the critical position is reached, the limiting plate 9 and the limiting block 8 are in contact limiting, the non-contact type Hall sensor 10 detects the rotating angle of the turntable, the rotating angle of the steering wheel is reduced to one third of the rotating angle through the first driving shaft gear 6 at the speed ratio of 3:1 after the steering wheel rotates, namely the steering wheel rotates 180 degrees, the limiting shaft 7 rotates 60 degrees, the non-contact type Hall sensor 10 can realize 360-degree non-limiting, linear signal transmission and accurate transmission of the angle change of the steering wheel; the servo motor 2 drives the motor gear 3 to give a reverse resistance hand feeling to the main shaft 4; according to the angle signals collected by the non-contact Hall sensor 10, the limiting plate 9 rotates until the limiting position is reached, meanwhile, the external single chip microcomputer receives the signals of the non-contact Hall sensor 10 and feeds the signals back to the servo motor 2 to provide steering resistance, when the steering wheel returns to the right, the single chip microcomputer collects reverse signals and controls the servo motor 2 to do power-assisted movement, real vehicle steering simulation in driving simulation is completed, the motor power-assisted returning process is carried out, the power-assisted size and the power-assisted form can be modified through adjusting parameters, and various driving requirements can be met.

Claims

1. The utility model provides an automobile simulator steering mechanism which characterized in that:

the automatic control device comprises a fixed shell, a servo motor, a motor gear, a main shaft, a first main shaft gear, a second main shaft gear, a limiting shaft, a limiting block, a limiting plate, a non-contact Hall sensor, a shaft sleeve, a light deflector rod, a windshield wiper deflector rod, a switch shell and a steering wheel spline;

2. The automobile simulator steering mechanism according to claim 1, wherein:

the light deflector rod and the wiper deflector rod are arranged on two sides of the switch shell.

3. The automobile simulator steering mechanism according to claim 1, wherein:

the steering wheel spline is detachably arranged on the main shaft through a clamping strip.

4. The automobile simulator steering mechanism according to claim 1, wherein:

the limiting block is detachably arranged on the fixed shell through screws.