CN109305144B - A vehicle quick steering assist device - Google Patents

Abstract

The invention discloses a vehicle rapid steering auxiliary device, which consists of a first vertical beam, a first pressure sensor, a second vertical beam, a controller, a steering machine, a third pressure sensor, a fourth pressure sensor and a steering plate, wherein a vehicle body is lifted and steered in the air through the steering machine, so that the vehicle can turn around in situ, the time is greatly saved, the steering is flexible in a battlefield, and the unnecessary loss is reduced; the first pressure sensor, the second pressure sensor, the third pressure sensor and the fourth pressure sensor are used for jointly detecting the pressure transmitted to the axle by the frame, so that the gravity center of the vehicle body is obtained, the steering machine can reach the gravity center of the vehicle body, and then the vehicle is lifted to steer, so that the vehicle cannot topple over in the steering process.

Description

A vehicle quick steering assist device

technical field

The invention relates to the field of assisting automobile steering, in particular to a vehicle fast steering assisting device.

Background technique

With the development of science and technology, the number of cars has increased sharply, which makes the cars on the road very crowded. The U-turn of the car needs a certain field range. When the parking space is relatively narrow, it is difficult to turn the car around.

In addition, military vehicles are common technical equipment for the army and an important means to ensure the army's ground mobility and logistics transportation. Since a large number of soldiers, weapons and ammunition, supplies and equipment of the army mainly rely on military vehicles, the performance of military vehicles plays a pivotal role in completing training and guarantee tasks for the army in peacetime and completing combat tasks in wartime.

However, the terrain of the battlefield is complex and has high requirements on the flexibility of the vehicle. When the car enters the narrow road and receives an emergency order from the superior to withdraw or the road ahead cannot pass, and it is urgent to turn around on the spot, it is necessary to quickly It is necessary to make the vehicle turn around so as not to delay the fighter plane and cause unnecessary casualties.

In the prior art, when a military vehicle turns around in a narrow road section, it needs to keep turning the steering wheel to make the car achieve the effect of turning around in situ. This method needs to waste a lot of time; Budge the fighter.

In view of the above two situations, it is necessary to design a vehicle quick steering assist device to realize a quick U-turn of the vehicle.

Contents of the invention

In order to solve the above problems, the object of the present invention is to provide a vehicle quick steering assist device, which can raise the vehicle on the spot to adjust the direction through the steering gear; at the same time, the steering gear can automatically move to the center of gravity of the vehicle, so that the vehicle will not fall over during the steering process . The invention can make the car turn around on the spot, greatly saves time, can turn flexibly on the battlefield, and reduces unnecessary losses.

In order to achieve the above object, a vehicle quick steering assist device provided by the present invention is realized in the following way:

A vehicle quick steering assist device, characterized by: comprising a first vertical beam, a first pressure sensor, a second pressure sensor, a second vertical beam, a controller, a steering gear, a third pressure sensor, a fourth pressure sensor, and a steering plate , the first vertical beam and the second vertical beam are respectively fixed at both ends of the front axle and the rear axle, the first pressure sensor is installed between the elastic element on the suspension of the right front wheel and the swing arm, and the second pressure sensor is installed on the left Between the elastic element on the suspension of the front wheel and the swing arm, the third pressure sensor is installed between the elastic element on the suspension of the left rear wheel and the swing arm, and the fourth pressure sensor is installed on the suspension of the right rear wheel Between the elastic element and the swing arm, the first pressure sensor, the second pressure sensor, the third pressure sensor, and the fourth pressure sensor jointly detect the pressure transmitted from the frame to the axle, and transmit the information to the controller. The plate is installed under the first vertical beam and the second vertical beam, and is used to move the position of the steering gear. The steering gear is installed under the steering plate to support the steering plate, and then supports the body to turn in the air. The controller is installed on the steering plate. On the board, the controller calculates the position of the center of gravity of the vehicle body according to the pressure information from the first pressure sensor, the second pressure sensor, the third pressure sensor and the fourth pressure sensor, and controls the steering plate and the steering gear to move to the position of the vehicle body. At the position of the center of gravity, the steering gear is controlled to raise and turn the vehicle, which can quickly realize the vehicle's in-situ steering and U-turn work, saving a lot of time for the driver.

The steering plate of the present invention is connected with the first vertical beam and the second vertical beam by the first buckle and the second buckle, the first buckle and the second buckle are fixed on the steering plate, the first vertical beam and the second vertical beam The two vertical beams pass through the first buckle and the second buckle respectively, and the first buckle and the second buckle can move freely on the first vertical beam and the second vertical beam respectively. Install the first step on the side of the steering plate The first stepping motor gear is fixed on the rotating shaft of the first stepping motor, and the first stepping motor gear is driven by the first stepping motor to rotate, and the first stepping motor gear moves on the first vertical beam, The rack and pinion transmission mode is adopted between the gear of the first stepping motor and the first vertical beam.

Both the first buckle and the second buckle of the present invention adopt square steel buckles, which can make the steering plate move freely on the first vertical beam and the second vertical beam.

The steering gear of the present invention is made up of telescopic motor, telescopic motor gear, second stepping motor, steering plate rack, second stepping motor gear, moving plate, rotating motor gear, rotating motor, and steering plate rack is fixed on steering plate , the moving plate is buckled on the steering plate rack, the second stepping motor is installed on the side of the moving plate, the second stepping motor gear is fixed on the rotating shaft of the second stepping motor, and the second stepping motor drives the second The gear of the stepping motor rotates, and then the gear of the second stepping motor moves on the rack of the steering plate, so that the moving plate moves on the steering plate. The gear of the second stepping motor and the rack of the steering plate adopt a rack and pinion transmission mode One side of the telescopic motor gear is installed on the base of the telescopic motor, the other side of the telescopic motor gear is installed on the moving plate, the telescopic motor is used to lift the body, one side of the rotating motor gear is installed on the rotating motor, and the other side of the rotating motor gear One side is installed on the moving plate, driven by the rotating motor to rotate the gear of the rotating motor, which is driven by the gear of the telescopic motor, and then drives the moving plate to rotate, so that the vehicle body rotates accordingly.

Both the first vertical beam and the steering plate rack of the present invention adopt a rack-shaped structure, which is convenient for the first stepping motor gear to move on the first vertical beam, and then drives the steering plate to move; it is convenient for the moving plate to drive the telescopic motor and the rotating motor to move to the center of gravity of the body.

The transmission mode of spur gear is adopted between the gear of the telescopic motor and the gear of the rotary motor in the present invention.

The present invention adopts the structure in which the vehicle is lifted up on the spot to adjust the direction through the steering gear to achieve the purpose of steering, so that the following beneficial effects can be obtained:

1. The present invention raises the vehicle body and steers it in the air through the steering gear, which can make the car turn around on the spot, greatly saving time, making the steering flexible on the battlefield, and reducing unnecessary losses.

2. The present invention jointly detects the pressure transmitted from the frame to the axle through the first pressure sensor, the second pressure sensor, the third pressure sensor, and the fourth pressure sensor, thereby obtaining the center of gravity of the vehicle body, so that the steering function can reach the center of gravity of the vehicle body Then raise the steering of the vehicle so that the vehicle will not tip over during the steering.

Description of drawings

Fig. 1 is a structural schematic diagram of the installation of a vehicle quick steering assist device provided by an embodiment of the present invention;

Fig. 2 is a connection diagram between the steering plate and the first vertical beam and the second vertical beam of the vehicle quick steering assist device provided by an embodiment of the present invention;

Fig. 3 is a structural diagram of the first vertical beam and the steering plate rack of the vehicle quick steering assist device provided by an embodiment of the present invention;

4 is a transmission diagram between the first stepping motor gear and the first vertical beam, and between the second stepping motor gear and the steering plate rack of the vehicle quick steering assist device provided by an embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a steering gear of a vehicle quick steering assist device according to an embodiment of the present invention;

Fig. 6 is a buckling diagram between the moving plate and the steering plate rack of the vehicle quick steering assist device provided by an embodiment of the present invention;

Fig. 7 is a transmission diagram between the telescopic motor gear and the rotating motor gear of the vehicle quick steering assist device provided by an embodiment of the present invention;

Fig. 8 is a working principle diagram of a vehicle quick steering assist device provided by an embodiment of the present invention.

Description of main component symbols.

first vertical beam 1 first pressure sensor 2 second pressure sensor 3 second vertical beam 4 controller 5 steering gear 6 third pressure sensor 7 Fourth pressure sensor 8 steering plate 9 1 stepping motor 10 1st stepping motor gear 11 first buckle 12 Second buckle 13 telescopic motor 14 Telescopic motor gear 15 second stepper motor 16 steering rack 17 Second stepper motor gear 18 mobile board 19 rotating motor gear 20 rotating electrical machine twenty one

Detailed ways

The present invention will be described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings.

Please refer to FIGS. 1 to 3 , which show a vehicle quick steering assist device in the first embodiment of the present invention, including a first vertical beam 1 , a first pressure sensor 2 , a second pressure sensor 3 , and a second vertical beam 4 , controller 5, steering gear 6, third pressure sensor 7, fourth pressure sensor 8, steering plate 9.

As shown in Figure 1, the first vertical beam 1 and the second vertical beam 4 are respectively fixed on the two ends of the front axle and the rear axle, and the first pressure sensor 2 is installed on the elastic element and pendulum on the suspension of the right front wheel. Between the arms, it is used to detect the force on the swing arm of the right front wheel. The second pressure sensor 3 is installed between the elastic element on the suspension of the left front wheel and the swing arm, and is used to detect the force on the swing arm of the left front wheel. The third pressure sensor 7 is installed between the elastic element and the swing arm on the suspension of the left rear wheel to detect the force on the left rear wheel swing arm, and the fourth pressure sensor 8 is installed on the right rear wheel Between the elastic element on the suspension and the swing arm, it is used to detect the force on the right rear wheel swing arm, the first pressure sensor 2, the second pressure sensor 3, the third pressure sensor 7, and the fourth pressure sensor 8 jointly detect The frame transmits the pressure on the axle, and transmits the information to the controller 5. The steering plate 9 is installed under the first vertical beam 1 and the second vertical beam 4, and is used to move the position of the steering gear 6. The steering gear 6 Installed below the steering plate 9, used to support the steering plate 9, and then support the vehicle body to turn in the air, the controller 5 is installed on the steering plate 9, and is controlled by the controller 5 according to the first pressure sensor 2, the second pressure sensor 3, The pressure information that the 3rd pressure sensor 7, the 4th pressure sensor 8 transmits calculates the position of the center of gravity of vehicle body, and controls steering plate 9 and steering gear 6 to move to the position of the center of gravity of vehicle body, controls steering gear 6 to lift vehicle and Steering can quickly realize the vehicle's in-situ steering and U-turn work, saving a lot of time for the driver.

Described controller 5 adopts STM32F103RCT6 as kernel, makes the response of steering gear 6 faster.

As shown in Fig. 2 and Fig. 4, the first buckle 12 and the second buckle 13 are used to connect the turning plate 9 with the first vertical beam 1 and the second vertical beam 4, and the first buckle 12 and the second buckle 13 are connected. Two buckles 13 are fixed on the turning plate 9, the first vertical beam 1 and the second vertical beam 4 pass through the first buckle 12 and the second buckle 13 respectively, and the first buckle 12 and the second buckle 13 can Move freely on the first vertical beam 1 and the second vertical beam 4 respectively, install the first stepper motor 10 on the steering plate 9 sides, fix the first stepper motor gear 11 on the rotating shaft of the first stepper motor 10, The first stepping motor gear 11 is driven by the first stepping motor 10 to rotate, and the first stepping motor gear 11 moves on the first vertical beam, so that the first stepping motor 10 drags the steering plate 9 on the first vertical beam again. The beam 1 and the second vertical beam 4 move up to reach the ordinate of the center of gravity of the vehicle. A rack and pinion transmission mode is adopted between the first stepper motor gear 11 and the first vertical beam 1 .

The first buckle 12 and the second buckle 13 all adopt square steel buckles, which can make the steering plate 9 move freely on the first vertical beam 1 and the second vertical beam 4, between the first buckle 12 and the second vertical beam. Apply lubricating oil between a vertical beam 1 and between the second buckle 13 and the second vertical beam 4 to reduce the gap between the first buckle 12 and the first vertical beam 1 and between the second buckle 13 and the second vertical beam. 4 produces mechanical friction.

As shown in Fig. 4, Fig. 5, Fig. 6, described steering gear 6 comprises telescopic motor 14, telescopic motor gear 15, the second stepping motor 16, steering plate rack 17, the second stepping motor gear 18, moving Plate 19, rotating motor gear 20, rotating motor 21, steering plate rack 17 is fixed on the steering plate 9, moving plate 19 is buckled on the steering plate rack 17, the second stepping motor 16 is installed on the side of moving plate 19, the second Two stepper motor gears 18 are fixed on the rotating shaft of the second stepper motor 16, and the second stepper motor gear 18 is driven by the second stepper motor 16 to rotate, and then the second stepper motor gear 18 rotates on the steering plate rack. 17, so that the mobile plate 19 moves on the steering plate 9 to determine the abscissa of the center of gravity of the vehicle, together with the vertical coordinate determined by the steering plate 9, determine the position of the vehicle center of gravity, the second stepping motor gear 18 and the steering plate teeth Rack and pinion transmission is adopted between the bars 17. One side of the telescopic motor gear 15 is installed on the base of the telescopic motor 14, and the other side of the telescopic motor gear 15 is installed on the moving plate 19. The telescopic motor 14 is used to raise the vehicle body and rotate One side of the motor gear 20 is installed on the rotary motor 21, and the other side of the rotary motor gear 20 is installed on the moving plate 19. When the vehicle needs to turn, the telescopic rod of the telescopic motor 14 stretches to the ground, and the base of the telescopic motor 14 will move the plate. 19 lifts up, the moving plate transmits the force of 19 to the steering plate rack 17, and the steering plate rack 17 disperses the force to the steering plate 9, and the steering plate 9 transmits the force to the first vertical beam 1 and the second vertical beam 4, the vehicle body is jointly supported by the first vertical beam 1 and the second vertical beam 4. At this time, the rotating motor 21 drives the rotating motor gear 20 to rotate, which is driven by the telescopic motor gear 15, and then drives the moving plate 9 to rotate, so that the vehicle body follows turn.

As shown in Figure 3, the first vertical beam 1 and the steering plate rack 17 both adopt a rack-shaped structure, which is convenient for the first stepping motor gear 11 to move on the first vertical beam 1, and then drives the steering plate 9 to move ; It is convenient for the mobile plate 9 to drive the telescopic motor 14 and the rotating motor 21 to move to the position of the center of gravity of the vehicle body.

As shown in FIG. 7 , a spur gear transmission is adopted between the telescopic motor gear 15 and the rotating motor gear 20 .

Operating principle and working process of the present invention are as follows:

As shown in Figure 8, the first pressure sensor 2, the second pressure sensor 3, the third pressure sensor 7, and the fourth pressure sensor 8 jointly detect the pressure transmitted from the frame to the axle, and transmit this information to the controller 5. The controller 5 calculates the position of the center of gravity of the vehicle body according to the pressure information transmitted from the first pressure sensor 2, the second pressure sensor 3, the third pressure sensor 7, and the fourth pressure sensor 8, and the controller 5 calculates the position of the center of gravity according to the position of the center of gravity Calculate the specific stroke of the first stepper motor 10 and the second stepper motor 16, then control the first stepper motor 10 to drag the steering plate 9 to move on the first vertical beam 1 and the second vertical beam 4, to reach the vehicle On the ordinate of the center of gravity, control the second stepper motor 16 to drive the second stepper motor gear 18 to rotate, and then move on the steering plate rack 17 by the second stepping motor gear 18, so that the moving plate 19 is on the steering plate 9 Move to determine the abscissa of the center of gravity of the vehicle. At this time, the controller 5 can control the telescopic motor 14 to raise the vehicle body according to the rotation instruction of the vehicle body, and control the rotating motor 21 to drive the rotating motor gear 20 to rotate, which is the transmission of the telescopic motor gear 15, and then drives the movement. The plate 9 turns so that the body turns with it.

Claims (7)

1. A vehicle quick steering assist device, characterized in that: the system comprises a first vertical beam, a first pressure sensor, a second vertical beam, a controller, a steering machine, a third pressure sensor, a fourth pressure sensor and a steering plate, wherein the first vertical beam and the second vertical beam are respectively fixed at two ends of a front axle and a rear axle of a vehicle, the first pressure sensor is arranged between an elastic element and a swing arm on a suspension of a right front wheel, the second pressure sensor is arranged between the elastic element and the swing arm on the suspension of a left front wheel, the third pressure sensor is arranged between the elastic element and the swing arm on the suspension of a left rear wheel, the fourth pressure sensor is arranged between the elastic element and the swing arm on the suspension of the right rear wheel, the first pressure sensor, the second pressure sensor, the third pressure sensor and the fourth pressure sensor jointly detect the pressure transmitted to the vehicle frame and transmit information to the controller, the steering plate is arranged below the first vertical beam and the second vertical beam and used for moving the position of the steering machine, the steering machine is arranged below the steering plate and the steering plate is used for supporting the steering machine, the steering plate is used for controlling the position of the vehicle and the vehicle, the steering machine is lifted by the steering plate, the steering wheel is used for controlling the position of the vehicle, and the vehicle is used for calculating the position of the steering machine;

the steering machine comprises a telescopic motor, a telescopic motor gear, a second stepping motor, a steering plate rack, a second stepping motor gear, a moving plate, a rotating motor gear and a rotating motor, wherein the steering plate rack is fixed on the steering plate, the moving plate is buckled on the steering plate rack, the second stepping motor is installed on the side face of the moving plate, the second stepping motor gear is fixed on a rotating shaft of the second stepping motor, the second stepping motor drives the second stepping motor gear to rotate, then the second stepping motor gear moves on the steering plate rack, so that the moving plate moves on the steering plate, one face of the telescopic motor gear is installed on a base of the telescopic motor, the other face of the telescopic motor gear is installed on the moving plate, the telescopic motor is used for lifting a vehicle body, one face of the rotating motor gear is installed on the rotating motor, the other face of the rotating motor gear is installed on the moving plate, the rotating motor gear is driven by the rotating motor to rotate, and the telescopic motor gear is driven to rotate, and then the moving plate is driven to rotate;

a gear-rack transmission mode is adopted between the second stepping motor gear and the steering plate rack;

and a straight gear transmission mode is adopted between the telescopic motor gear and the rotating motor gear.

2. The vehicle quick steering assist apparatus according to claim 1, characterized in that: the steering plate is connected with the first vertical beam through a first buckle, the steering plate is connected with the second vertical beam through a second buckle, the first buckle and the second buckle are fixed on the steering plate, the first vertical beam and the second vertical beam respectively penetrate through the first buckle and the second buckle, and the first buckle and the second buckle can respectively and freely move on the first vertical beam and the second vertical beam.

3. The vehicle quick steering assist apparatus according to claim 2, characterized in that: the side face of the steering plate is provided with a first stepping motor, a first stepping motor gear is fixed on a rotating shaft of the first stepping motor, the first stepping motor drives the first stepping motor gear to rotate, and the first stepping motor gear moves on the first vertical beam.

4. A vehicle quick steering assist device as set forth in claim 3, wherein: and a gear-rack transmission mode is adopted between the first stepping motor gear and the first vertical beam.

5. The vehicle quick steering assist apparatus according to claim 2, characterized in that: the first buckle and the second buckle are square steel buckles.

6. The vehicle quick steering assist apparatus according to claim 1, characterized in that: the first vertical beam and the steering plate rack adopt rack-shaped structures.

7. The vehicle quick steering assist apparatus according to claim 1, characterized in that: the controller is mounted on the steering plate.

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