CN212500648U

CN212500648U - Gooseneck hydraulic steering system

Info

Publication number: CN212500648U
Application number: CN202020694500.0U
Authority: CN
Inventors: 苏波; 王天轮
Original assignee: Kasley Transport Equipment Manufacturing Yangzhou Co ltd
Current assignee: Kasley Transport Equipment Manufacturing Yangzhou Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-09
Anticipated expiration: 2030-04-29

Abstract

The utility model provides a gooseneck hydraulic steering system, including gooseneck frame and traction pin plate, steering system is still including turning to link gear, traction pin plate passes through it sets up to turn to link gear on the gooseneck frame, it can drive when the vehicle turns to turn to link gear the traction pin plate rotates in order to adjust the position at the direction of rotation, and it is rotatory through turning to link gear drive traction pin plate, and traction pin plate rotary motion and trailer axle turn to the action and link together, can keep tractor and trailer to turn to harmoniously, and then can deal with the road turn of than narrower, improves the vehicle and pass through the rate, arranges around the steering cylinder, compares in bilateral symmetry arrange and can produce bigger turning torque, and the structure is compacter reasonable, this kind of steering system simple structure is reasonable, and manufacturing cost is lower, is fit for batch production.

Description

Gooseneck hydraulic steering system

Technical Field

The utility model relates to a transportation equipment technical field especially relates to a gooseneck hydraulic steering system.

Background

The gooseneck type semi-trailer is a widely used heavy transport tool and is used for carrying various cargos, large-scale equipment and the like. The gooseneck type semitrailer generally comprises a frame with a gooseneck structure, an electrical control system and the like, wherein the frame is connected with a traction vehicle head through a traction pin, and the main plane of a vehicle frame cargo bed is low, so that the transportation stability is guaranteed. In the prior art, a traction pin plate and a gooseneck frame of a semitrailer are generally fixed structures, and then the traction pin plate is fixed on a saddle through a traction pin, so that the structure is low in passing rate when the semitrailer is used for coping with a narrow road turn.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is. The pin plate and the gooseneck frame of pulling of semitrailer generally are fixed knot to be constructed among the prior art, then will pull on the pin plate is fixed to the saddle through the towing pin, and the passing rate is not high when this kind of structure is handling relatively narrow road and is turned, the utility model provides a gooseneck hydraulic steering system solves above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a gooseneck hydraulic steering system, includes gooseneck frame and pulls the pin plate, steering system still includes and turns to the link gear, it passes through to pull the pin plate turn to the link gear setting on the gooseneck frame, turn to the link gear and can drive when the vehicle turns to pull the pin plate and rotate in order to adjust the position in the direction of rotation.

Further: the steering linkage mechanism comprises a rotary bearing, the rotating axis of the rotary bearing is arranged along the vertical direction, and the outer ring of the rotary bearing is fixedly connected with the traction pin plate; the inner ring of the rotating bearing is fixedly connected with the gooseneck framework, the steering linkage mechanism further comprises a steering oil cylinder, and the cylinder body of the steering oil cylinder is hinged to the gooseneck framework; and the oil cylinder head of the steering oil cylinder is hinged at the non-rotation center position of the traction pin plate.

Further: the number of the steering oil cylinders is two, and the two steering oil cylinders are arranged in the front and back direction.

The beneficial effects of the utility model are that, the utility model discloses gooseneck hydraulic steering system when the vehicle turns, it is rotatory to pull the cotter through the drive of steering linkage, pull cotter rotational motion and trailer axle and turn to the action and link together, can keep tractor and trailer to turn to coordinated synchronization, and then can deal with the turn of narrower road, improve the vehicle and pass through the rate, arrange around the steering cylinder, it can produce bigger steering torque to compare to arrange in bilateral symmetry, and the structure is compacter reasonable, this kind of steering system simple structure is reasonable, low in production cost, and is suitable for batch production.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a gooseneck hydraulic steering system according to the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a schematic structural view of the steering linkage in fig. 1.

In the figure, the hydraulic steering system comprises a gooseneck frame 1, a gooseneck frame 2, a traction pin plate 3, a rotary bearing 4, a steering oil cylinder 41, a front steering oil cylinder 42 and a rear steering oil cylinder.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a gooseneck hydraulic steering system, including gooseneck frame 1 and traction pin plate 2, steering system is still including turning to the link gear, traction pin plate 2 passes through it sets up to turn to the link gear on the gooseneck frame 1, it can drive when the vehicle turns to turn to the link gear traction pin plate 2 rotates in order to adjust the position at the direction of rotation.

When the vehicle turns, the traction pin plate 2 is driven to rotate through the steering linkage mechanism, the rotation action of the traction pin plate 2 is linked with the axle steering action of the trailer, the steering coordination and synchronization of the tractor and the trailer can be kept, the narrow road turning can be further dealt with, and the vehicle passing rate is improved.

The steering linkage mechanism comprises a rotary bearing 3, the rotating axis of the rotary bearing 3 is arranged along the vertical direction, and the outer ring of the rotary bearing 3 is fixedly connected with the traction pin plate 2; the inner ring of the rotary bearing 3 is fixedly connected with the gooseneck frame 1, the steering linkage mechanism further comprises a steering oil cylinder 4, and the cylinder body of the steering oil cylinder 4 is hinged to the gooseneck frame 1; and the oil cylinder head of the steering oil cylinder 4 is hinged at the non-rotation center position of the traction pin plate 2.

The traction pin plate 2 is connected with the gooseneck framework 1 through the rotary bearing 3, and the traction pin plate 2 can be driven to rotate through the work of a piston rod of the steering oil cylinder 4.

The number of the steering cylinders 4 is two, and the two steering cylinders 4 are arranged in a front-back manner. The steering cylinders 4 are arranged in a front-back manner, so that a larger steering torque can be generated compared with the left-right symmetrical arrangement, and the structure is more compact and reasonable. The two steering oil cylinders 4 are respectively a front steering oil cylinder 41 and a rear steering oil cylinder 42, when the steering mechanism works, the front steering oil cylinder 41 extends, the rear steering oil cylinder 42 shortens, and the traction pin plate 2 turns right; the front steering cylinder 41 is shortened, the rear steering cylinder 42 is extended, and the towing pin plate 2 is turned left.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A gooseneck hydraulic steering system, includes gooseneck frame (1) and towing pin board (2), its characterized in that: the steering system further comprises a steering linkage mechanism, the traction pin plate (2) is arranged on the gooseneck frame (1) through the steering linkage mechanism, and the steering linkage mechanism can drive the traction pin plate (2) to rotate so as to adjust the position in the rotating direction when the vehicle steers.

2. The gooseneck hydraulic steering system of claim 1, wherein: the steering linkage mechanism comprises a rotary bearing (3), the rotating axis of the rotary bearing (3) is arranged along the vertical direction, and the outer ring of the rotary bearing (3) is fixedly connected with the traction pin plate (2); the inner ring of the rotary bearing (3) is fixedly connected with the gooseneck frame (1), the steering linkage mechanism further comprises a steering oil cylinder (4), and the cylinder body of the steering oil cylinder (4) is hinged to the gooseneck frame (1); and the oil cylinder head of the steering oil cylinder (4) is hinged at the non-rotation center position of the traction pin plate (2).

3. The gooseneck hydraulic steering system of claim 2, wherein: the number of the steering oil cylinders (4) is two, and the two steering oil cylinders (4) are arranged in a front-back manner.