阅读说明：本技术 一种重载液压平板车转向机构偏心补偿系统 (Eccentric compensation system of steering mechanism of heavy-load hydraulic flat car ) 是由 职山杰 李国杰 王勇刚 王海霞 于 2020-05-15 设计创作，主要内容包括：本发明公开了一种重载液压平板车转向机构偏心补偿系统,属于平板车转向机构偏心补偿系统技术领域,在悬挂架与平衡臂之间加装悬挂高度传感器,可以测量悬挂的升降高度。车载的中央处理器根据得到悬挂的高度和悬挂结构的几何参数尺寸便可计算出转向车桥轮组的偏心量,然后再用这个偏心量来修正悬挂的转向角度,从而控制各个轮组的转向轴交汇于理论上的同一点,车辆实现纯滚动转向,轮胎的磨损量大大减小,得到良好的经济效益。(The invention discloses an eccentric compensation system of a steering mechanism of a heavy-load hydraulic flat car, belonging to the technical field of eccentric compensation systems of steering mechanisms of flat cars. The vehicle-mounted central processing unit can calculate the eccentricity of the steering axle wheel set according to the obtained suspension height and the geometric parameter size of the suspension structure, and then corrects the suspension steering angle by using the eccentricity, so that the steering shafts of the wheel sets are controlled to be intersected at the same theoretical point, pure rolling steering of the vehicle is realized, the abrasion loss of tires is greatly reduced, and good economic benefit is obtained.)

1. The utility model provides an eccentric compensating system of heavy load hydraulic pressure flatbed steering mechanism which characterized in that: the device comprises a central processing unit, a PCI bus interface, a data acquisition and conversion module, a suspension height sensor (3), a suspension steering angle sensor (6), a steering axle wheel set (4), a balance arm (5), a suspension bracket (1) and a suspension oil cylinder (2);

a balance arm (5) is installed in the middle of the steering axle wheel set (4), a suspension frame (1) is hinged to one end, away from the steering axle wheel set (4), of the balance arm (5), a suspension height sensor (3) is arranged between the suspension frame (1) and the balance arm (5), a suspension steering angle sensor (6) is arranged at one end, away from the suspension height sensor (3), of the suspension frame (1), and a suspension oil cylinder (2) is arranged between the suspension frame (1) and the balance arm (5);

the central processing unit is used for receiving and analyzing and processing information transmitted by the suspension height sensor (3) and the suspension steering angle sensor (6);

the data acquisition and conversion module is used for converting information transmitted by the suspension height sensor (3) and the suspension steering angle sensor (6) into digital information;

and the PCI bus interface is used for realizing the butt joint between the data acquisition and conversion module and the central processing unit.

The suspension height sensor (3) and the suspension steering angle sensor (6) are electrically connected with the data acquisition and conversion module through wires, the data acquisition and conversion module is connected with the PCI bus interface through wires, and the PCI bus interface is electrically connected with the central processing unit.

2. The eccentric compensation system of a steering mechanism of a heavy-duty hydraulic flat car according to claim 1, characterized in that: the system also comprises a lithium battery, a power circuit and a charging circuit, wherein the lithium battery is used for supplying power to each part of modules;

the power supply circuit is used for classifying the electric energy of the lithium battery into voltages which can be used by each module;

the charging circuit is used for safely and stably charging the lithium battery.

3. The eccentric compensation system of the steering mechanism of heavy-duty hydraulic flat car according to claim 2, characterized in that: the lithium battery with power supply circuit electric connection, power supply circuit electric connection central processing unit, PCI bus interface, data acquisition conversion module, hang altitude sensor (3) and hang and turn to angle sensor (6), charging circuit and lithium battery electric connection.

4. The eccentric compensation system of the steering mechanism of heavy-duty hydraulic flat car according to claim 2, characterized in that: the system also comprises an electric quantity detection module and a solid state disk, wherein the electric quantity detection module is used for detecting the electric energy of the lithium battery and sending the electric energy to the central processing unit;

and the solid state disk is used for acquiring the information of the central processing unit and storing the record.

5. The eccentric compensation system of a steering mechanism of heavy-duty hydraulic flat car according to claim 4, characterized in that: the solid state disk is electrically connected with the central processing unit through a wire, the electric quantity detection module is electrically connected with the central processing unit through a wire, and the lithium battery is electrically connected with the electric quantity detection module through a wire.

Technical Field

The invention relates to an eccentric compensation system of a steering mechanism of a flat car, in particular to an eccentric compensation system of a steering mechanism of a heavy-load hydraulic flat car, and belongs to the technical field of eccentric compensation systems of steering mechanisms of flat cars.

Background

In the application of heavy hydraulic flat cars, each suspension is provided with a set of independent steering mechanism, the top of the suspension is provided with a suspension steering angle sensor for controlling the steering angle of the suspension, the current suspension mechanism adopts a single-arm suspension structure widely, so that when the suspension is changed in lifting height, the center of a steering axle wheel set connected with the suspension and the rotating center of the top end of the suspension have certain eccentricity, and the eccentricity changes in size and direction along with the change of the lifting height, because the center of the rotating set and the center of the suspension have different eccentricity, the direction is controlled according to the sensor at the top of the suspension, so that when the vehicle is steered, the axial line center of each wheel set deviates from the theoretical steering center calculated by a controller according to the steering angle at the top end of the suspension, and the overlarge sliding abrasion of the tires of the vehicle is caused, this is particularly true when the vehicle is heavily loaded.

Disclosure of Invention

The invention mainly aims to provide an eccentric compensation system of a steering mechanism of a heavy-duty hydraulic flat car. The vehicle-mounted central processing unit can calculate the eccentricity of the steering axle wheel set according to the obtained suspension height and the geometric parameter size of the suspension structure, and then corrects the suspension steering angle by using the eccentricity, so that the steering shafts of the wheel sets are controlled to be intersected at the same theoretical point, pure rolling steering of the vehicle is realized, the abrasion loss of tires is greatly reduced, and good economic benefit is obtained.

The purpose of the invention can be achieved by adopting the following technical scheme:

an eccentric compensation system of a steering mechanism of a heavy-duty hydraulic flat car comprises a central processing unit, a PCI bus interface, a data acquisition and conversion module, a suspension height sensor, a suspension steering angle sensor, a steering axle wheel set, a balance arm, a suspension bracket and a suspension oil cylinder;

a balance arm is mounted in the middle of the steering axle wheel set, one end, far away from the steering axle wheel set, of the balance arm is hinged to a suspension frame, a suspension height sensor is arranged between the suspension frame and the balance arm, one end, far away from the suspension height sensor, of the suspension frame is provided with a suspension steering angle sensor, and a suspension oil cylinder is arranged between the suspension frame and the balance arm;

the central processor is used for receiving and analyzing and processing information transmitted by the suspension height sensor and the suspension steering angle sensor;

the data acquisition and conversion module is used for converting the information transmitted by the suspension height sensor and the suspension steering angle sensor into digital information;

and the PCI bus interface is used for realizing the butt joint between the data acquisition and conversion module and the central processing unit.

The suspension height sensor and the suspension steering angle sensor are electrically connected with the data acquisition and conversion module through wires, the data acquisition and conversion module is connected with the PCI bus interface through wires, and the PCI bus interface is electrically connected with the central processing unit.

Preferably, the system further comprises a lithium battery, a power circuit and a charging circuit, wherein the lithium battery is used for supplying power to each part of the modules;

the power supply circuit is used for classifying the electric energy of the lithium battery into voltages which can be used by each module;

the charging circuit is used for safely and stably charging the lithium battery.

Preferably, the lithium battery is electrically connected with the power circuit, the power circuit is electrically connected with the central processing unit, the PCI bus interface, the data acquisition and conversion module, the suspension height sensor and the suspension steering angle sensor, and the charging circuit is electrically connected with the lithium battery.

Preferably, the system further comprises an electric quantity detection module and a solid state disk, wherein the electric quantity detection module is used for detecting electric energy of the lithium battery and sending the electric energy to the central processing unit;

and the solid state disk is used for acquiring the information of the central processing unit and storing the record.

Preferably, the solid state disk is electrically connected with the central processing unit through a wire, the electric quantity detection module is electrically connected with the central processing unit through a wire, and the lithium battery is electrically connected with the electric quantity detection module through a wire.

The invention has the beneficial technical effects that:

according to the eccentric compensation system for the steering mechanism of the heavy-load hydraulic flat car, provided by the invention, the suspension height sensor is additionally arranged between the suspension bracket and the balance arm, so that the suspension lifting height can be measured. The vehicle-mounted central processing unit can calculate the eccentricity of the steering axle wheel set according to the obtained suspension height and the geometric parameter size of the suspension structure, and then corrects the suspension steering angle by using the eccentricity, so that the steering shafts of the wheel sets are controlled to be intersected at the same theoretical point, pure rolling steering of the vehicle is realized, the abrasion loss of tires is greatly reduced, and good economic benefit is obtained.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a preferred embodiment of the eccentricity compensation system of the steering mechanism of a heavy-duty hydraulic flat car according to the present invention;

fig. 2 is a system diagram of a preferred embodiment of the eccentricity compensation system for the steering mechanism of a heavy-duty hydraulic flat car according to the present invention.

In the figure: the device comprises a suspension frame 1, a suspension oil cylinder 2, a suspension height sensor 3, a steering axle wheel set 4, a balance arm 5 and a suspension steering angle sensor 6.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-2, the eccentric compensation system of the steering mechanism of the heavy-duty hydraulic flat car provided in this embodiment includes a central processing unit, a PCI bus interface, a data acquisition and conversion module, a suspension height sensor 3, a suspension steering angle sensor 6, a steering axle wheel set 4, a balance arm 5, a suspension bracket 1 and a suspension cylinder 2;

a balance arm 5 is arranged in the middle of the steering axle wheel set 4, one end, away from the steering axle wheel set 4, of the balance arm 5 is hinged with a suspension bracket 1, a suspension height sensor 3 is arranged between the suspension bracket 1 and the balance arm 5, one end, away from the suspension height sensor 3, of the suspension bracket 1 is provided with a suspension steering angle sensor 6, and a suspension oil cylinder 2 is arranged between the suspension bracket 1 and the balance arm 5;

the central processing unit is used for receiving and analyzing and processing the information transmitted by the suspension height sensor 3 and the suspension steering angle sensor 6;

the data acquisition and conversion module is used for converting the information transmitted by the suspension height sensor 3 and the suspension steering angle sensor 6 into digital information;

and the PCI bus interface is used for realizing the butt joint between the data acquisition conversion module and the central processing unit.

The suspension height sensor 3 and the suspension steering angle sensor 6 are electrically connected with the data acquisition and conversion module through wires, the data acquisition and conversion module is connected with the PCI bus interface through wires, and the PCI bus interface is electrically connected with the central processing unit.

A suspension height sensor 3 is additionally arranged between the suspension bracket 1 and the balance arm 5, and the suspension lifting height can be measured. The vehicle-mounted central processor can calculate the eccentricity of the steering axle wheel set 4 according to the obtained suspension height and the geometric parameter size of the suspension structure, and then corrects the suspension steering angle by using the eccentricity, so that the steering shafts of the wheel sets are controlled to be intersected at the same theoretical point, pure rolling steering of the vehicle is realized, the abrasion loss of tires is greatly reduced, and good economic benefit is obtained.

In this embodiment, the system further includes a lithium battery, a power circuit, and a charging circuit, where the lithium battery is used to supply power to each module;

the power supply circuit is used for classifying the electric energy of the lithium battery into voltages which can be used by each module;

and the charging circuit is used for safely and stably charging the lithium battery.

In this embodiment, the lithium battery is electrically connected to a power circuit, the power circuit is electrically connected to the central processing unit, the PCI bus interface, the data acquisition and conversion module, the suspension height sensor 3 and the suspension steering angle sensor 6, and the charging circuit is electrically connected to the lithium battery.

In this embodiment, the system further includes an electric quantity detection module and a solid state disk, wherein the electric quantity detection module is used for detecting electric energy of the lithium battery and sending the electric energy to the central processing unit;

and the solid state disk is used for acquiring the information of the central processing unit and storing the record.

In this embodiment, the solid state disk passes through the wire with central processing unit electric connection, the electric quantity detection module pass through the wire with central processing unit electric connection, the lithium cell pass through the wire with electric quantity detection module electric connection.

The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.