CN109203881B

CN109203881B - Traction steering mechanism for vehicle

Info

Publication number: CN109203881B
Application number: CN201810928089.6A
Authority: CN
Inventors: 邱冬平; 耿会良; 李利民; 成富根; 张吉胜
Original assignee: MCC Baosteel Technology Services Co Ltd
Current assignee: MCC Baosteel Technology Services Co Ltd
Priority date: 2018-08-10
Filing date: 2018-08-10
Publication date: 2022-02-11
Anticipated expiration: 2038-08-10
Also published as: CN109203881A

Abstract

The invention provides a traction steering mechanism for a vehicle, the vehicle comprises a front frame and a rear frame, the traction steering mechanism for the vehicle comprises: the bogie is provided with a vertical main shaft hole, a traction shaft extending transversely and a steering lug plate, and the steering lug plate is arranged on one side of the main shaft hole; one end of the steering oil cylinder is hinged with the front frame, and the other end of the steering oil cylinder is hinged with the steering lug plate; the rear end of the front frame is provided with a shaft sleeve with a bearing, the shaft sleeve is arranged in the main shaft hole, the main shaft is rotatably arranged in the shaft sleeve, and two ends of the main shaft are fixedly connected with the bogie; and the traction shaft sleeve with the bearing is fixedly arranged on the rear frame, and the traction shaft extends into the traction shaft sleeve and is fixed. The invention has simple structure and easy manufacture.

Description

Traction steering mechanism for vehicle

Technical Field

The invention relates to the technical field of steering of vehicles, in particular to a traction steering mechanism for a vehicle.

Background

The slag ladle car is a special vehicle transportation device on a metallurgical production line, and is widely used for transportation and treatment of smelting slag in steel furnace refineries and copper smelters. The equipment has the functions of tank carrying, tank placing, tank turning, discharging, transportation and the like, is a special vehicle, is also used as main production equipment on a smelting slag treatment production line, and has the characteristics of less investment, less occupied area, flexibility, safety and reliability compared with rail transportation such as railways and the like. The slag ladle car is more and more widely applied to smelting enterprises at home and abroad, effectively promotes the development and progress of the metallurgical manufacturing industry, realizes the transformation of smelting slag transportation from rail transportation to trackless transportation, and accords with the energy-saving and environment-friendly concept of the modern society.

At present, the steering mechanism of the tank holding car mainly has a gooseneck type hinge structure, realizes the steering of the tank holding car through a hydraulic steering oil cylinder and a steering link mechanism, and shows the advantage of small steering radius.

Disclosure of Invention

In view of the above-mentioned disadvantages of the prior art, an object of the present invention is to provide a traction steering mechanism for a vehicle, which is used to solve the problems of low strength and high cost of the steering mechanism in the prior art.

To achieve the above and other related objects, the present invention provides a traction steering mechanism for a vehicle, the vehicle including a front frame and a rear frame, the traction steering mechanism for the vehicle including: the bogie is provided with a vertical main shaft hole, a traction shaft extending transversely and a steering lug plate, and the steering lug plate is arranged on one side of the main shaft hole; one end of the steering oil cylinder is hinged with the front frame, and the other end of the steering oil cylinder is hinged with the steering lug plate; the rear end of the front frame is provided with a shaft sleeve with a bearing, the shaft sleeve is arranged in the main shaft hole, the main shaft is rotatably arranged in the shaft sleeve, and two ends of the main shaft are fixedly connected with the bogie; and the traction shaft sleeve with the bearing is fixedly arranged on the rear frame, and the traction shaft extends into the traction shaft sleeve and is fixed.

Preferably, the number of the steering ear plates and the number of the steering oil cylinders are two, and the two steering ear plates and the two steering oil cylinders are respectively and symmetrically arranged on two sides of the spindle hole.

Preferably, the bogie comprises a trapezoidal box formed by welding an upper plate, a lower plate, a front plate, a rear plate and two side plates, wherein the upper plate and the lower plate are respectively provided with a protruding part exposed outside the trapezoidal box, the main shaft hole is formed on the protruding part, and one end of the traction shaft is welded and fixed in the trapezoidal box.

Preferably, a sealing cover plate fixedly connected with the upper plate is arranged at the top of the spindle hole, and the top end of the spindle is connected with the sealing cover plate.

Preferably, a sealing assembly is arranged between the main shaft and the sealing cover plate.

Preferably, two sides of the lower plate extend outwards to form anti-collision blocks, and the two anti-collision blocks are symmetrically distributed around the spindle hole.

Preferably, the top and the bottom of the shaft sleeve are both provided with conical bearings penetrating through the main shaft, and the shaft sleeve is provided with oil holes for adding lubricating oil to the conical bearings.

Preferably, the traction shaft sleeve is provided with a fixed cover plate, and the end part of the traction shaft is fixedly connected with the fixed cover plate.

As described above, the vehicle traction steering mechanism according to the present invention has the following advantageous effects: the structure is simple, the manufacturing is easy, a die is not needed, the manufacturing period is short, and the manufacturing period is shortened by 80 percent compared with the similar products; the bogie has high strength, can be made of low-alloy high-strength high-quality plates and has high structural strength; the steering is flexible, the left and right steering angles respectively reach 45 degrees, and the operation is convenient.

Drawings

Fig. 1 is a schematic view of a traction steering mechanism for a vehicle according to the present invention.

Fig. 2 is a plan view of the traction steering mechanism for a vehicle according to the present invention.

Fig. 3 is a cross-sectional view taken along line AA of fig. 2.

Fig. 4 shows a side view of the bogie of the present invention.

Fig. 5 shows a top view of the bogie of the present invention.

Description of the element reference numerals

1 front frame

2 sealing cover plate

3 bolt

4 sealing frame

5 conical bearing

6 bogie

61 traction shaft

62 front panel

63 side plate

64 steering ear plate

65 upper plate

66 rear plate

67 lower plate

671 anti-collision block

600 spindle hole

7 Main shaft

8 baffle ring

9 conical bearing

10 rear vehicle frame

11 fixed cover plate

12 oil nozzle

13. 14 gasket

15 shaft sleeve

16 traction sleeve

17 steering oil cylinder

18-steering front pin shaft

19-steering rear pin shaft

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The front-rear direction in this specification is a traveling direction of the vehicle, the front frame is a front end of the vehicle, the rear frame is a rear end of the vehicle, and the left-right direction is a driver's left-right direction when the driver travels the vehicle.

As shown in fig. 1, the present invention provides a traction steering mechanism for a vehicle, the vehicle including a front frame 1 and a rear frame 10, the traction steering mechanism for the vehicle including: the bogie 6, as shown in fig. 4 and 5, has a vertical spindle hole 600, a transversely extending traction shaft 61, and a steering lug plate 64, the steering lug plate 64 being provided on one side of the spindle hole 600; one end of the steering oil cylinder 17 is hinged with the front frame 1, and the other end of the steering oil cylinder 17 is hinged with the steering lug plate 64; the rear end of the front frame 1 is provided with a shaft sleeve 15 with a bearing, the shaft sleeve 15 is arranged in the main shaft hole 600, the main shaft 7 is rotatably arranged in the shaft sleeve 15, and two ends of the main shaft 7 are fixedly connected with the bogie 6; and the traction shaft sleeve 16 with the bearing is fixedly arranged on the rear frame 10, and the traction shaft 61 extends into the traction shaft sleeve 16 and is fixed. The invention adopts the bogie 6 with the main shaft hole 600 and the traction shaft 61 as a transmission and steering part, so that the front frame 1 can rotate around the main shaft 7 relative to the bogie 6, the rear frame 10 does not rotate relative to the bogie 6, the front frame 1 can drive the bogie 6 and the rear frame 10 to move forward when moving forward, and when the steering is needed, the relative rotation of the front frame 1 and the bogie 6 can be realized through the extension and retraction of the steering oil cylinder 17, so that the steering is realized; the whole mechanism is simple in structure, and the bogie 6 serving as an integral part can be machined by adopting high-quality steel plates, so that the strength of the whole mechanism is improved.

For better control turns to, makes to turn to more in a flexible way, turns to about respectively and reaches 45, in this embodiment turn to otic placode 64 with steering cylinder 17 is two, and the symmetry sets up respectively the both sides of main shaft hole 600 are equipped with the hinge hole on turning to otic placode 64. In this embodiment, a steering ear plate is also provided on the front frame 1, as shown in fig. 3, two ends of the steering cylinder 17 are respectively hinged to the steering ear plate and the steering ear plate 64 through a steering front pin 18 and a steering rear pin 19, and the steering front pin 18 and the steering rear pin 19 are fixed to the steering ear plate (not shown) through a locking round nut. As shown in fig. 2, when the left steering cylinder 17 contracts and the right steering cylinder 17 synchronously extends, the left-turning function is realized; otherwise, the right-turn function is realized; the straight traveling function is realized when the two steering cylinders 17 are simultaneously extended.

For convenience of processing, as shown in fig. 4 and 5, the bogie 6 in this embodiment includes a trapezoidal box formed by welding an upper plate 65, a lower plate 67, a front plate 62, a rear plate 66, and two side plates 63, wherein the upper plate 65, the lower plate 67, the front plate 62, the rear plate 66, and the two side plates 63 may be made of low-alloy high-strength plates, the upper plate 65 and the lower plate 67 each have a protruding portion exposed outside the trapezoidal box, the spindle hole 600 is formed in the protruding portion, and one end of the traction shaft 61 is welded and fixed in the trapezoidal box. One end of the processed traction shaft 61 is inserted into a trapezoidal box girder formed by assembling and welding a front plate 62, two side plates 63, an upper plate 65, and a lower plate 67, and then welded to a rear plate 66 to be integrated. The whole mechanism of the bogie 6 is stable, does not need die manufacturing, and is easy to process and high in strength.

To avoid collision with the bogie frame during steering, the two sides of the lower plate 67 in this embodiment extend outward to form bumper blocks 671, as shown in fig. 5, and the bumper blocks 671 are symmetrically distributed about the spindle hole 600.

In order to better fix the spindle, as shown in fig. 1, a sealing cover plate 2 fixedly connected to the upper plate 65 is disposed at the top of the spindle hole 600 in this embodiment, and the top end of the spindle 7 is connected to the sealing cover plate 2. In this embodiment, the main shaft 7 is fixed to the seal cover plate 2 by bolts 3. In this embodiment, the shaft sleeve 15 is welded to the front frame 1, and has an upper conical bearing 5 and a lower conical bearing 5 therein, the shaft sleeve 15 is provided with oil holes for adding lubricating oil to the conical bearings, and the main shaft is installed in the two conical bearings 5. In this embodiment, a sealing assembly is disposed between the main shaft 7 and the sealing cover plate 2, and the sealing assembly includes a sealing frame 4 and a sealing gasket 14.

In this embodiment, the traction sleeve 16 is provided with a fixed cover plate 11, and the end of the traction shaft 61 is fixedly connected with the fixed cover plate 11. The traction shaft sleeve 16 is respectively provided with a conical bearing 9, a baffle ring 8 is tightly connected between the conical bearing 9 and the front plate 62, a fixed cover plate 11 is fixedly connected with the tail end of the traction shaft 61 through a bolt, the fixed cover plate 11 is clamped on the fixed cover plate 11 through a spigot on the traction shaft sleeve 16, and the fixed cover plate 11 and the traction shaft are prevented from moving back and forth, so that the function of traction of the rear frame is achieved; the fixed cover plate 11 is provided with an oil nozzle 12 for oiling and lubricating a conical bearing on the traction shaft, and the baffle ring 8 is provided with a sealing gasket 13 for sealing.

In conclusion, the traction steering mechanism for the vehicle is simple in structure, easy to manufacture, free of a die and short in manufacturing period, and compared with similar products, the manufacturing period is shortened by 80%; the bogie has high strength, can be made of low-alloy high-strength high-quality plates and has high structural strength; the steering is flexible, the left and right steering angles respectively reach 45 degrees, and the operation is convenient. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A traction steering mechanism for a vehicle, the vehicle including a front frame and a rear frame, the traction steering mechanism for a vehicle comprising:

the bogie is provided with a vertical main shaft hole, a traction shaft extending transversely and a steering lug plate, and the steering lug plate is arranged on one side of the main shaft hole;

one end of the steering oil cylinder is hinged with the front frame;

the rear end of the front frame is provided with a shaft sleeve with a bearing, the shaft sleeve is arranged in the main shaft hole, the main shaft is rotatably arranged in the shaft sleeve, and two ends of the main shaft are fixedly connected with the bogie;

the traction shaft sleeve is fixedly arranged on the rear frame, and the traction shaft extends into the traction shaft sleeve and is fixed;

the bogie comprises a trapezoidal box formed by welding an upper plate, a lower plate, a front plate, a rear plate and two side plates, wherein the upper plate and the lower plate are respectively provided with a protruding part exposed outside the trapezoidal box, a main shaft hole is formed on the protruding parts, and one end of the traction shaft is welded and fixed in the trapezoidal box;

the trapezoid box is provided with a large end and a small end, and the small end of the trapezoid box is positioned between the large end of the trapezoid box and a spindle hole of the bogie;

the other end of the steering oil cylinder is hinged with one end of the steering lug plate close to the small end of the trapezoid box.

2. The traction steering mechanism for a vehicle according to claim 1, characterized in that: the steering ear plates and the steering oil cylinders are two and are respectively and symmetrically arranged on two sides of the spindle hole.

3. The traction steering mechanism for a vehicle according to claim 1, characterized in that: the top of the main shaft hole is provided with a sealing cover plate fixedly connected with the upper plate, and the top end of the main shaft is connected with the sealing cover plate.

4. The traction steering mechanism for a vehicle according to claim 3, characterized in that: and a sealing component is arranged between the main shaft and the sealing cover plate.

5. The traction steering mechanism for a vehicle according to claim 1, characterized in that: two sides of the lower plate extend outwards to form anti-collision blocks, and the two anti-collision blocks are symmetrically distributed around the spindle hole.

6. The traction steering mechanism for a vehicle according to claim 1, characterized in that: the top and the bottom of the shaft sleeve are respectively provided with a conical bearing penetrating through the main shaft, and the shaft sleeve is provided with an oil hole for adding lubricating oil to the conical bearing.

7. The traction steering mechanism for a vehicle according to claim 1, characterized in that: the traction shaft sleeve is provided with a fixed cover plate, and the end part of the traction shaft is fixedly connected with the fixed cover plate.