CN210149092U

CN210149092U - Front tractor

Info

Publication number: CN210149092U
Application number: CN201921032061.0U
Authority: CN
Inventors: 周爱斌; 陈燕红; 李振清
Original assignee: Jiangsu Changxie Industrial Equipment Co ltd
Current assignee: Jiangsu Changxie Industrial Equipment Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-03-17
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a front tractor, including the draft arm, still include fixed plate, supporting seat and gas spring, fixed plate lower extreme front side joint support seat installs the pivot on the supporting seat, draft arm end-to-end connection pivot, and gas spring one end is terminal articulated with the draft arm, and the other end is articulated with the upper end of fixed plate. The utility model has simple structure, when the traction arm is laid down, the traction arm is connected with the tractor or the trolley at the front end by only pedaling the traction arm and the acting force of the air spring, and the arrangement of the convex block can play the roles of buffering and limiting; when the draft arm stands, after the worker releases the connection between the draft arm and the tractor or the trolley at the front end, the draft arm can automatically and slowly bounce under the action of the gas spring, so that the trouble of manual lifting is saved, and the labor intensity is reduced.

Description

Front tractor

Technical Field

The utility model belongs to the technical field of the tractor, concretely relates to preceding tractor.

Background

Along with the development of science and technology, the assembly line appears, and it is no longer practical to deliver by people, and at the appearance of tractor, efficient delivery satisfies the production of high-speed high-efficient assembly line completely, and for the biggest use resource, the dolly that the tractor drove at every turn is increasing constantly, has appeared at this moment, and the tractor is the instrument of connecting two dollies, and the tractor includes preceding tractor and back tractor again. The utility model with the publication number of CN208558904U discloses a front tractor, which comprises a left mounting plate, a right mounting plate, a traction arm, a left pin, a right pin, a pedal rotating shaft, a pedal and a torsion spring; the upper part of the front plate surface of the left mounting plate is provided with a pair of left support plates of the traction arm, a left pin shaft penetrates through the left support plates of the traction arm, and a left support leg of the traction arm is sleeved on the left pin shaft; the positive face upper portion of right side mounting panel sets up a pair of draft arm right branch fagging, the positive face lower part of right side mounting panel sets up the footboard backup pad, right side round pin axle passes draft arm right branch fagging, the right leg cover of draft arm is sold epaxially at the right side, the footboard pivot is installed in the footboard backup pad, the one end and the torsional spring cover of footboard are in the footboard pivot, the one end and the footboard backup pad of torsional spring are connected, the other end of torsional spring is in the bottom of footboard in advance, the bottom of the right leg of draft arm is close to the front side and sets up the draw-in groove, the top. The front tractor is light and labor-saving and is more convenient to operate. The utility model discloses a there is certain defect at the actual application in-process: 1. the structure is complex, the operation is troublesome, and the production cost is high; 2. although a torsion spring is provided, a large labor intensity is still required when the trailing arm is lying down or standing up.

Disclosure of Invention

The utility model provides a front tractor with simple structure, convenient operation and labor saving, which aims at the defects in the background technology.

In order to achieve the above object, the technical solution of the present invention is as follows:

an anterior retractor, comprising a retractor arm, characterized in that: the traction arm is characterized by further comprising a fixed plate, a supporting seat and an air spring, the supporting seat is connected to the front side of the lower end of the fixed plate, a rotating shaft is installed on the supporting seat, the tail end of the traction arm is connected with the rotating shaft, one end of the air spring is hinged to the tail end of the traction arm, and the other end of the air spring is hinged to the upper end of the.

Preferably, the supporting seat is provided with a convex block, and the convex block is positioned on the front side of the rotating shaft.

Preferably, the vertical section of the supporting seat is U-shaped.

Preferably, the projection is an elastic member.

Preferably, the material of the bump is polyurethane.

Preferably, the lower end of the lug is connected with a screw rod, and the screw rod is in threaded connection with a threaded hole formed in the supporting seat.

Compared with the prior art, the utility model discloses beneficial effect as follows:

the utility model has simple structure, when the traction arm is laid down, the traction arm is connected with the tractor or the trolley at the front end by only pedaling the traction arm and the acting force of the air spring, and the arrangement of the convex block can play the roles of buffering and limiting; when the draft arm stands, after the worker releases the connection between the draft arm and the tractor or the trolley at the front end, the draft arm can automatically and slowly bounce under the action of the gas spring, so that the trouble of manual lifting is saved, and the labor intensity is reduced.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural view of the present invention with the draft arm removed;

in the figure: 1. the device comprises a traction arm, 2, a fixing plate, 3, a supporting seat, 4, an air spring, 5, a rotating shaft, 6, a bump, 7 and a screw rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, 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.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 3, a front tractor comprises a traction arm 1, and further comprises a fixed plate 2, a support seat 3 and a gas spring 4, wherein the front side of the lower end of the fixed plate is connected with the support seat, the support seat is provided with a rotating shaft 5, the tail end of the traction arm is connected with the rotating shaft, the traction arm can freely rotate on the support seat along the rotating shaft, one end of the gas spring is hinged with the tail end of the traction arm, the other end of the gas spring is hinged with the upper end of the fixed plate, the support seat is provided with a lug 6 which is positioned on the front side of the rotating shaft, when the traction arm is laid down, the lower surface of the traction arm is in contact with the upper surface of the lug, the lug is an elastic part and is made of polyurethane, and the polyurethane has high mechanical strength, oxidation stability, rebound elasticity; on the other hand, the lug can play certain limiting action, and after the draft arm contacted with the lug, the draft arm just can be connected with the tractor or the dolly cooperation of front end, and the lug lower extreme is connected with screw rod 7, and screw rod and the screw hole threaded connection who establishes on the supporting seat can be according to actual conditions, through the height of screw rod free adjustment lug.

The working principle of the utility model is as follows:

as shown in fig. 1 to 3, when in use, the fixing plate 2 is welded at the front end of a towed trolley, when the trolley needs to be connected with a towing vehicle at the front end of the towed trolley, a worker steps on the towing arm, the towing arm 1 is slowly deflected and pressed down by the acting force of the gas spring 4, and when the towing arm is in contact with the lug 6, the towing arm can be matched and connected with the towing vehicle or the trolley at the front end; after the use, when the draft arm 1 needs to be erected, a worker releases the connection between the draft arm 1 and a tractor or a trolley at the front end of the draft arm, the draft arm automatically and slowly deflects and erects under the action of the gas spring 4, the trouble of manually and manually lifting the draft arm 1 is omitted, the operation is simple, and the labor intensity is reduced.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. An anterior retractor, comprising a retractor arm, characterized in that: the traction arm is characterized by further comprising a fixed plate, a supporting seat and an air spring, the supporting seat is connected to the front side of the lower end of the fixed plate, a rotating shaft is installed on the supporting seat, the tail end of the traction arm is connected with the rotating shaft, one end of the air spring is hinged to the tail end of the traction arm, and the other end of the air spring is hinged to the upper end of the.

2. The anterior retractor of claim 1 wherein: the supporting seat is provided with a convex block, and the convex block is positioned on the front side of the rotating shaft.

3. The anterior retractor of claim 1 wherein: the supporting seat is U-shaped in vertical section.

4. The anterior retractor of claim 2 wherein: the lug is an elastic piece.

5. The anterior retractor of claim 4 wherein: the lug is made of polyurethane.

6. The anterior retractor of claim 2 wherein: the lower end of the lug is connected with a screw rod, and the screw rod is in threaded connection with a threaded hole formed in the supporting seat.