阅读说明：本技术 卡丁车四轮转向系统及其应用 (Four-wheel steering system of kart and application thereof ) 是由 杨海发 于 2020-07-07 设计创作，主要内容包括：一种卡丁车四轮转向系统及其应用,其中,卡丁车四轮转向系统是在已有车架、方向盘、两个前悬挂、两个后悬挂、两个前轮和两个后轮的基础上,通过设置前轮转向机构、后轮转向机构、连接前轮转向机构与后轮转向机构的转向关联机构、以及电磁插销控制机构组成；本发明通过前轮转向机构和后轮转向机构使得前轮和后轮都能转向；在前轮按方向盘的转动方向转向的同时,通过电磁插销控制机构和转向关联机构的配合,使得后轮与前轮产生相反方向的转向,实现卡丁车在狭小空间内转弯；在前轮按方向盘的转动方向转向的同时,通过电磁插销控制机构和转向关联机构的配合,使得后轮与前轮的运动方向保持一致,实现卡丁车的直线变道,给驾驶者独特的驾驶体验。(A kart four-wheel steering system and application thereof, wherein the kart four-wheel steering system is composed of a front wheel steering mechanism, a rear wheel steering mechanism, a steering association mechanism connecting the front wheel steering mechanism and the rear wheel steering mechanism and an electromagnetic bolt control mechanism on the basis of an existing frame, a steering wheel, two front suspensions, two rear suspensions, two front wheels and two rear wheels; the front wheel and the rear wheel can steer through the front wheel steering mechanism and the rear wheel steering mechanism; when the front wheels turn according to the rotating direction of the steering wheel, the electromagnetic bolt control mechanism is matched with the steering association mechanism, so that the rear wheels and the front wheels turn in opposite directions, and the kart can turn in a narrow space; when the front wheel turns to according to the rotation direction of steering wheel, through the cooperation of electromagnetism bolt control mechanism and turning to relevant mechanism for the direction of motion of rear wheel and front wheel keeps unanimous, realizes kart's straight line lane change, gives the unique driving experience of driver.)

1. A carting car four-wheel steering system is used for meeting the requirements of turning and linear lane changing of a carting car in a narrow space and comprises a frame, a steering wheel, two front suspensions, two rear suspensions, two front wheels and two rear wheels, wherein the frame is of a frame structure and comprises a front beam, a middle beam and a rear beam, the front wheels and the rear wheels are respectively suspended at the front end and the rear end of the frame through the front suspensions and the rear suspensions, and the front suspensions and the rear suspensions are respectively in rotating connection with the frame through suspension pins;

it is characterized by also comprising: the steering mechanism comprises a front wheel steering mechanism, a rear wheel steering mechanism, a steering related mechanism for connecting the front wheel steering mechanism and the rear wheel steering mechanism, and an electromagnetic bolt control mechanism;

the front wheel steering mechanism comprises a steering rod, a steering control block, a cross pin key and a front pull rod;

the upper end of the steering rod is connected with the steering wheel, the lower end of the steering rod is fixedly connected with one end of the steering control block, the lower end head of the steering rod is rotatably connected to the front beam, the cross pin key is installed on the steering control block, one end of each of the two front pull rods is rotatably connected to the steering control block, the other end of each of the two front pull rods is rotatably connected to the two front suspensions respectively, the front suspensions can rotate by taking the suspension pins as shafts through the pulling of the front pull rods, and the rotating direction of the front suspensions is consistent with the rotating direction of the steering wheel and is opposite to the rotating direction of the steering control block;

the rear wheel steering mechanism comprises a steering linkage block and a rear pull rod;

the steering linkage block is connected to the rear beam through a pin and divided into a steering lobe and a lane change lobe by the rear beam, the steering lobe is located outside the frame, the lane change lobe is located inside the frame, the steering lobe and the lane change lobe reversely rotate by taking the pin as a shaft, one end of each of two rear pull rods is rotatably connected to the steering linkage block, the other end of each of the two rear pull rods is rotatably connected to the two rear suspensions respectively, the rear suspensions can rotate by taking the suspension pins as a shaft through pulling of the rear pull rods, and the rotating direction of the rear suspensions is consistent with the rotating direction of the lane change lobe;

the steering association mechanism comprises a steering electromagnetic bolt, a lane changing electromagnetic bolt and a linkage rod;

the steering electromagnetic bolt is arranged on the steering clack, the lane changing electromagnetic bolt is arranged on the lane changing clack, a pin rod of the steering electromagnetic bolt and a pin rod of the lane changing electromagnetic bolt can be respectively popped out or withdrawn through the control of the electromagnetic bolt control mechanism, and the popping out or withdrawing of the pin rod of the steering electromagnetic bolt and the withdrawing or popping out of the pin rod of the lane changing electromagnetic bolt occur simultaneously;

the gangbar rotates through the pin that its middle part set up to be connected on the center sill and its both ends all are the shift fork structure, wherein, with the cross pin key carry out the cross for the associated shift fork, with the pin pole that turns to the electromagnetism bolt carries out the cross for turning to the shift fork, with the pin pole that changes the way electromagnetism bolt carries out the cross for changing the way shift fork, just turn to the shift fork with it is cascaded branching setting to be in the same one end of gangbar.

2. Use of the carting car four-wheel steering system according to claim 1, characterized in that:

include kart four-wheel steering system in the application of narrow and small space turn with kart four-wheel steering system's application in the straight line lane change, wherein:

s10) the kart four-wheel steering system is applied to the turning in a narrow space, and the method comprises the following steps and action processes:

s11) ejecting the pin rod of the steering electromagnetic pin through the electromagnetic pin control mechanism, inserting the pin rod of the steering electromagnetic pin into a shifting fork of the steering shifting fork, and withdrawing the pin rod of the lane changing electromagnetic pin through the electromagnetic pin control mechanism to enable the pin rod of the lane changing electromagnetic pin to be separated from the fork connection with the lane changing shifting fork;

s12) turn left or right the steering wheel, through the rotation of steering wheel makes the front wheel with the steering wheel produces the unanimous turning to of direction and makes the rear wheel produce with the turning to of front wheel opposite direction can realize the kart turns around in narrow and small space, wherein:

s121) when the steering wheel is rotated leftwards or rightwards, the steering wheel drives the steering rod to rotate in the same direction as the steering wheel, and further drives the steering control block to rotate in the direction opposite to the rotating direction of the steering wheel, namely the steering control block rotates rightwards or leftwards;

s122) the steering control block rotates rightwards or leftwards, so that the two front suspension rods pull the two front suspensions connected with each other to rotate leftwards or rightwards by taking the suspension pins as shafts, namely the rotating direction of the front suspensions is opposite to that of the steering control block;

s123) the front suspension rotates leftwards or rightwards to enable the two front wheels to turn leftwards or rightwards, so that the front wheels of the kart can turn according to the rotating direction of the steering wheel;

s124) the steering control block rotates rightwards or leftwards, meanwhile, the steering control block drives the linkage rod to rotate around a pin on the middle beam through the cross connection of the cross connection pin key and the associated shifting fork, and when the cross connection pin key drives the linkage rod to rotate around the pin on the middle beam, the steering shifting fork at the other end of the linkage rod moves towards one side of the steering control block, wherein the moving direction of the steering shifting fork is opposite to that of the steering control block;

s125) the steering fork and the steering control block move in opposite directions to enable the pin rod of the steering electromagnetic pin inserted into the steering fork to rotate and slide in the steering fork, so that the steering valve and the steering fork are driven to rotate in the same direction to enable the lane changing valve and the steering fork to move in opposite directions, namely the lane changing valve and the steering control block move in the same direction;

s126) the lane changing valve moves to enable a rear pull rod connected to the lane changing valve to move in the same direction as the lane changing valve, and further pulls the rear suspension to move in the same direction as the lane changing valve, so that when the front wheels turn leftwards or rightwards, the rear wheels and the front wheels turn in opposite directions, and the kart can turn in a narrow space;

s20) the kart four-wheel steering system is applied to the straight-line lane changing, and comprises the following steps and action processes:

s21) ejecting the pin rod of the lane changing electromagnetic pin through the electromagnetic pin control mechanism, inserting the pin rod of the lane changing electromagnetic pin into a shifting fork of the lane changing shifting fork, and meanwhile, withdrawing the pin rod of the steering electromagnetic pin through the electromagnetic pin control mechanism to enable the pin rod of the steering electromagnetic pin to be separated from the fork connection with the steering shifting fork;

s22) rotating the steering wheel leftwards or rightwards, enabling the front wheels and the steering wheel to generate steering with the same direction through the rotation of the steering wheel, and enabling the rear wheels to generate steering with the same direction as the front wheels, namely realizing the straight lane change of the kart, wherein:

s221) when the steering wheel is rotated leftwards or rightwards, the steering wheel drives the steering rod to rotate leftwards or rightwards, and further drives the steering control block to rotate towards the direction opposite to the rotating direction of the steering wheel, namely the steering control block rotates rightwards or leftwards;

s222) the steering control block rotates to the right or left, so that the two front suspension rods pull the two front suspensions connected with each other to rotate to the left or right by taking the suspension pins as shafts, namely the rotating direction of the front suspensions is opposite to that of the steering control block;

s223) the front suspension rotates leftwards or rightwards to enable the two front wheels to turn leftwards or rightwards, so that the front wheels of the kart can turn according to the rotating direction of the steering wheel;

s224) the steering control block rotates rightwards or leftwards, meanwhile, the steering control block drives the linkage rod to rotate around a pin on the middle beam through the cross connection of the cross connection pin key and the associated shifting fork, and when the cross connection pin key drives the linkage rod to rotate around the pin on the middle beam, the lane changing shifting fork at the other end of the linkage rod moves towards one side of the steering control block, wherein the moving direction of the lane changing shifting fork is opposite to that of the steering control block;

s225) the lane changing shifting fork moves in the direction opposite to that of the steering control block, so that a pin rod of the lane changing electromagnetic pin inserted into the lane changing fork rotates and slides in the lane changing fork, and then the lane changing valve and the lane changing fork are driven to move in the same direction, namely the lane changing valve and the steering control block move in the opposite directions;

s226) the reverse-direction movement of the lane changing valve and the steering control block enables a rear pull rod connected to the lane changing valve to generate movement in the same direction as the lane changing valve, and further pulls the rear suspension to generate movement in the same direction as the lane changing valve, so that when the front wheels steer leftwards or rightwards, the movement directions of the rear wheels and the front wheels are kept in the same direction, and the straight lane changing of the kart is realized.

Technical Field

The invention relates to a kart steering system and application thereof, in particular to a kart four-wheel steering system and application thereof, and belongs to the technical field of kart design and manufacturing.

Background

The kart is a mini-type racing car, has small and exquisite appearance and simple structure, is the lowest starting sports racing car and is the safest type in the racing sports; the kart is easy and simple to handle, and the driver wears protective helmet and gloves, only need remember left foot brake, right foot tank filler door, steering wheel are 1: 1 turn, can galloping race field.

The kart is very simple in structure and mainly comprises a frame type frame made of steel pipes, two front wheels hung at the front end of the frame through a hanging device, two rear wheels hung at the rear end of the frame, a steering system pedal, an oil tank, a transmission chain shield, a driver seat, an anti-collision bumper and the like.

The kart chassis is very low, and the ground clearance usually only a few centimetres, and the smooth even runway of going up is gone, can let the driver have the sensation that the wind blows the electric brake, and the roaring of adding the engine roasts the joy that can not be experienced at ordinary times, and in case the roll-off runway, the kart can automatic flame-out stop the gos forward, can not overturn to the security of driver has been ensured.

Disclosure of Invention

In order to overcome the defects of the prior art, the embodiment of the invention provides a kart four-wheel steering system and application thereof, aiming at: the problem of the kart turn to the radius big, turn to inconveniently, can not adapt to in the narrow and small area and when the kart straight line changes the lane and goes, can't let driver's field of vision direction keep unchangeable is solved.

To achieve the purpose, the embodiment of the invention provides the following technical scheme:

a carting car four-wheel steering system is used for meeting the requirements of turning and linear lane changing of a carting car in a narrow space and comprises a frame, a steering wheel, two front suspensions, two rear suspensions, two front wheels and two rear wheels, wherein the frame is of a frame structure and comprises a front beam, a middle beam and a rear beam, the front wheels and the rear wheels are respectively suspended at the front end and the rear end of the frame through the front suspensions and the rear suspensions, and the front suspensions and the rear suspensions are respectively in rotating connection with the frame through suspension pins;

it is characterized by also comprising:

the steering mechanism comprises a front wheel steering mechanism, a rear wheel steering mechanism, a steering related mechanism for connecting the front wheel steering mechanism and the rear wheel steering mechanism, and an electromagnetic bolt control mechanism;

the front wheel steering mechanism comprises a steering rod, a steering control block, a cross pin key and a front pull rod;

the upper end of the steering rod is connected with the steering wheel, the lower end of the steering rod is fixedly connected with one end of the steering control block, the lower end head of the steering rod is rotatably connected to the front beam, the cross pin key is installed on the steering control block, one end of each of the two front pull rods is rotatably connected to the steering control block, the other end of each of the two front pull rods is rotatably connected to the two front suspensions respectively, the front suspensions can rotate by taking the suspension pins as shafts through the pulling of the front pull rods, and the rotating direction of the front suspensions is consistent with the rotating direction of the steering wheel and is opposite to the rotating direction of the steering control block;

the rear wheel steering mechanism comprises a steering linkage block and a rear pull rod;

the steering linkage block is connected to the rear beam through a pin and divided into a steering lobe and a lane change lobe by the rear beam, the steering lobe is located outside the frame, the lane change lobe is located inside the frame, the steering lobe and the lane change lobe reversely rotate by taking the pin as a shaft, one end of each of two rear pull rods is rotatably connected to the steering linkage block, the other end of each of the two rear pull rods is rotatably connected to the two rear suspensions respectively, the rear suspensions can rotate by taking the suspension pins as a shaft through pulling of the rear pull rods, and the rotating direction of the rear suspensions is consistent with the rotating direction of the lane change lobe;

the steering association mechanism comprises a steering electromagnetic bolt, a lane changing electromagnetic bolt and a linkage rod;

the steering electromagnetic bolt is arranged on the steering clack, the lane changing electromagnetic bolt is arranged on the lane changing clack, a pin rod of the steering electromagnetic bolt and a pin rod of the lane changing electromagnetic bolt can be respectively popped out or withdrawn through the control of the electromagnetic bolt control mechanism, and the popping out or withdrawing of the pin rod of the steering electromagnetic bolt and the withdrawing or popping out of the pin rod of the lane changing electromagnetic bolt occur simultaneously;

the gangbar rotates through the pin that its middle part set up to be connected on the center sill and its both ends all are the shift fork structure, wherein, with the cross pin key carry out the cross for the associated shift fork, with the pin pole that turns to the electromagnetism bolt carries out the cross for turning to the shift fork, with the pin pole that changes the way electromagnetism bolt carries out the cross for changing the way shift fork, just turn to the shift fork with it is cascaded branching setting to be in the same one end of gangbar.

The application of the four-wheel steering system of the kart is characterized in that:

include kart four-wheel steering system in the application of narrow and small space turn with kart four-wheel steering system's application in the straight line lane change, wherein:

s10) the kart four-wheel steering system is applied to the turning in a narrow space, and the method comprises the following steps and action processes:

s11) ejecting the pin rod of the steering electromagnetic pin through the electromagnetic pin control mechanism, inserting the pin rod of the steering electromagnetic pin into a shifting fork of the steering shifting fork, and withdrawing the pin rod of the lane changing electromagnetic pin through the electromagnetic pin control mechanism to enable the pin rod of the lane changing electromagnetic pin to be separated from the fork connection with the lane changing shifting fork;

s12) turn left or right the steering wheel, through the rotation of steering wheel makes the front wheel with the steering wheel produces the unanimous turning to of direction and makes the rear wheel produce with the turning to of front wheel opposite direction can realize the kart turns around in narrow and small space, wherein:

s121) when the steering wheel is rotated leftwards or rightwards, the steering wheel drives the steering rod to rotate in the same direction as the steering wheel, and further drives the steering control block to rotate in the direction opposite to the rotating direction of the steering wheel, namely the steering control block rotates rightwards or leftwards;

s122) the steering control block rotates rightwards or leftwards, so that the two front suspension rods pull the two front suspensions connected with each other to rotate leftwards or rightwards by taking the suspension pins as shafts, namely the rotating direction of the front suspensions is opposite to that of the steering control block;

s123) the front suspension rotates leftwards or rightwards to enable the two front wheels to turn leftwards or rightwards, so that the front wheels of the kart can turn according to the rotating direction of the steering wheel;

s124) the steering control block rotates rightwards or leftwards, meanwhile, the steering control block drives the linkage rod to rotate around a pin on the middle beam through the cross connection of the cross connection pin key and the associated shifting fork, and when the cross connection pin key drives the linkage rod to rotate around the pin on the middle beam, the steering shifting fork at the other end of the linkage rod moves towards one side of the steering control block, wherein the moving direction of the steering shifting fork is opposite to that of the steering control block;

s125) the steering fork and the steering control block move in opposite directions to enable the pin rod of the steering electromagnetic pin inserted into the steering fork to rotate and slide in the steering fork, so that the steering valve and the steering fork are driven to rotate in the same direction to enable the lane changing valve and the steering fork to move in opposite directions, namely the lane changing valve and the steering control block move in the same direction;

s126) the lane changing valve moves to enable a rear pull rod connected to the lane changing valve to move in the same direction as the lane changing valve, and further pulls the rear suspension to move in the same direction as the lane changing valve, so that when the front wheels turn leftwards or rightwards, the rear wheels and the front wheels turn in opposite directions, and the kart can turn in a narrow space;

s20) the kart four-wheel steering system is applied to the straight-line lane changing, and comprises the following steps and action processes:

s21) ejecting the pin rod of the lane changing electromagnetic pin through the electromagnetic pin control mechanism, inserting the pin rod of the lane changing electromagnetic pin into a shifting fork of the lane changing shifting fork, and meanwhile, withdrawing the pin rod of the steering electromagnetic pin through the electromagnetic pin control mechanism to enable the pin rod of the steering electromagnetic pin to be separated from the fork connection with the steering shifting fork;

s22) rotating the steering wheel leftwards or rightwards, enabling the front wheels and the steering wheel to generate steering with the same direction through the rotation of the steering wheel, and enabling the rear wheels to generate steering with the same direction as the front wheels, namely realizing the straight lane change of the kart, wherein:

s221) when the steering wheel is rotated leftwards or rightwards, the steering wheel drives the steering rod to rotate leftwards or rightwards, and further drives the steering control block to rotate towards the direction opposite to the rotating direction of the steering wheel, namely the steering control block rotates rightwards or leftwards;

s222) the steering control block rotates to the right or left, so that the two front suspension rods pull the two front suspensions connected with each other to rotate to the left or right by taking the suspension pins as shafts, namely the rotating direction of the front suspensions is opposite to that of the steering control block;

s223) the front suspension rotates leftwards or rightwards to enable the two front wheels to turn leftwards or rightwards, so that the front wheels of the kart can turn according to the rotating direction of the steering wheel;

s224) the steering control block rotates rightwards or leftwards, meanwhile, the steering control block drives the linkage rod to rotate around a pin on the middle beam through the cross connection of the cross connection pin key and the associated shifting fork, and when the cross connection pin key drives the linkage rod to rotate around the pin on the middle beam, the lane changing shifting fork at the other end of the linkage rod moves towards one side of the steering control block, wherein the moving direction of the lane changing shifting fork is opposite to that of the steering control block;

s225) the lane changing shifting fork moves in the direction opposite to that of the steering control block, so that a pin rod of the lane changing electromagnetic pin inserted into the lane changing fork rotates and slides in the lane changing fork, and then the lane changing valve and the lane changing fork are driven to move in the same direction, namely the lane changing valve and the steering control block move in the opposite directions;

s226) the reverse-direction movement of the lane changing valve and the steering control block enables a rear pull rod connected to the lane changing valve to generate movement in the same direction as the lane changing valve, and further pulls the rear suspension to generate movement in the same direction as the lane changing valve, so that when the front wheels steer leftwards or rightwards, the movement directions of the rear wheels and the front wheels are kept in the same direction, and the straight lane changing of the kart is realized.

Compared with the prior art, the invention has the beneficial effects and remarkable progresses that:

1) the four-wheel steering system of the kart and the application thereof provided by the embodiment of the invention have the advantages that on the basis of the existing frame, the steering wheel, the two front suspensions, the two rear suspensions, the two front wheels and the two rear wheels can steer through the arranged front wheel steering mechanism and the arranged rear wheel steering mechanism, and the two rear wheels and the two front wheels can steer in opposite directions through the matching of the electromagnetic bolt control mechanism and the steering association mechanism while the front wheels steer according to the rotating direction of the steering wheel, so that the kart can steer in a narrow space; or when the front wheels turn according to the rotating direction of the steering wheel, the movement directions of the rear wheels and the front wheels are kept consistent through the matching of the electromagnetic bolt control mechanism and the steering association mechanism, so that the straight line lane change of the kart is realized;

2) according to the kart four-wheel steering system and the application thereof provided by the embodiment of the invention, through the cooperation of the front wheel steering mechanism, the rear wheel steering mechanism, the steering correlation mechanism connecting the front wheel steering mechanism and the rear wheel steering mechanism and the electromagnetic bolt control mechanism, the kart can be turned and linearly changed in a narrow space, the turning radius is reduced, the turning and turning around in a narrow area are realized, the requirement on the width of a turning channel is smaller, and the visual field direction of a driver can be kept unchanged forwards all the time when the linearly changed channel is realized, so that the interestingness and the irritation of driving are increased, and different driving experiences are provided for the driver;

3) the kart four-wheel steering system provided by the embodiment of the invention has the advantages of novel and unique design, simple and convenient manufacture, reliable system work, novel, unique and convenient application mode and capability of obtaining unique driving experience for a driver, thereby having great popularization and application values.

Drawings

To more clearly illustrate the technical solution of the present invention, the drawings required for the embodiment of the present invention will be briefly described below.

It should be apparent that the drawings in the following description are only drawings of some embodiments of the invention, and that other drawings can be obtained by those skilled in the art without inventive exercise, and the other drawings also belong to the drawings required by the embodiments of the invention.

Fig. 1 is a schematic structural diagram of a four-wheel steering system of a kart according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a kart four-wheel steering system provided in an embodiment of the present invention when the kart four-wheel steering system is applied to a narrow space in a turning manner;

FIG. 3 is a schematic structural diagram of a four-wheel steering system of a kart in a straight-line lane change application according to an embodiment of the present invention;

FIG. 4 is a schematic view of the turning radius of a prior art kart;

FIG. 5 is a schematic view of a steering radius of a four-wheel steering system of a kart according to an embodiment of the present invention;

fig. 6 is a schematic diagram of lane change driving of the kart having the four-wheel steering system of the kart according to the embodiment of the invention.

In the figure:

10-frame, 11-front beam, 12-middle beam, 13-rear beam;

21-front suspension, 22-rear suspension, 23-suspension pin;

31-front wheel, 32-rear wheel;

41-steering rod, 42-steering control block, 43-cross pin key, 44-front pull rod;

51-steering associated block, 511-steering valve, 512-lane changing valve and 52-rear pull rod;

61-steering electromagnetic bolt, 62-lane changing electromagnetic bolt, 63-linkage rod, 631-associated shifting fork, 632-steering shifting fork and 633-lane changing shifting fork.

Detailed Description

In order to make the objects, technical solutions, advantageous effects and significant progress of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings provided in the embodiments of the present invention.

It is to be understood that all of the described embodiments are merely some, and not all, embodiments of the invention; 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.

It should be noted that: