CN214570252U

CN214570252U - Crane mechanism of double-section crawler transport vehicle

Info

Publication number: CN214570252U
Application number: CN202120529415.3U
Authority: CN
Inventors: 董世升; 樊金朋; 冯俊伟
Original assignee: JIANGSU TIANMEI ELECTROMECHANICAL TECHNOLOGY CO LTD
Current assignee: JIANGSU TIANMEI ELECTROMECHANICAL TECHNOLOGY CO LTD
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-02
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a crane mechanism of two sections crawler carriers, including arranging at the anterior hoisting accessory of back car and fixed arrangement at the anterior two landing leg devices that just are symmetrical arrangement of back car, hoisting accessory includes that fixed arrangement arranges at the anterior fixed platform of back car, through first bolt fastening arrange at the crane base at the fixed platform top, fixed revolving stage, the fixed main arm of arranging on the revolving stage, arrange on the main arm top and through first round pin axle swing joint lift arm hydro-cylinder that the activity was arranged between main arm and lift arm at the main arm. The utility model discloses can make flexible arm when the extension perhaps shortens, can carry out the rotation in a circumferential direction, to a certain extent, make things convenient for the lifting by crane of relevant personnel to the heavy object, in addition, this two sections crawler carrier's crane mechanism has better structural stability, and the transport vechicle is when lifting by crane the operation, is difficult for appearing the incident.

Description

Crane mechanism of double-section crawler transport vehicle

Technical Field

The utility model relates to a crane mechanism, concretely relates to crane mechanism of two sections track transport vechicles belongs to mining crane technical field.

Background

The crane is a hoisting and carrying machine widely used in ports, workshops, electric power, construction sites and other places, the mining crane is a crane applied to coal mining, and the crane mechanism is an important component of the crane. The crane mechanism of the existing double-section crawler transport vehicle has the following problems in the actual working process:

1. the telescopic arm of the existing crane mechanism can only extend and shorten in the axial direction, but cannot rotate, and is inconvenient when a heavy object is lifted;

2. the existing crane mechanism has poor stability, and a transport vehicle has certain potential safety hazard when being used for hoisting operation.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a two sections crawler truck's crane mechanism can make flexible arm when extension or shorten, can carry out the rotation in a circumferential direction, to a certain extent, makes things convenient for the lifting by crane of relevant personnel to the heavy object, and in addition, this two sections crawler truck's crane mechanism has better structural stability, and the transport vechicle is when lifting by crane the operation, is difficult for appearing the incident.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a crane mechanism of two sections track transport vechicles, is including arranging the anterior hoisting accessory of back car and fixed two landing leg devices that arrange at the back car front portion and be symmetrical arrangement, hoisting accessory includes fixed platform of fixed arrangement at the back car front portion, through first bolt fixed arrangement at the crane base at fixed platform top, fixed arrangement revolving stage on the crane base, fixed arrangement main arm on the revolving stage, arrange at the main arm top and through first round pin axle swing joint's davit and the arm-lifting oil jar of activity arrangement between main arm and davit, the one end of keeping away from the main arm on the davit has flexible arm through flexible oil jar swing joint the lifting hook is installed to the end of flexible arm.

Preferably, the landing leg device includes through second bolt fixed connection the connecting plate on fixed platform, arrange the flexible side pipe in connecting plate one side, arrange the mount of the one end of flexible side pipe, arrange the landing leg hydro-cylinder of mount below and the fixed landing leg board of arranging in landing leg hydro-cylinder bottom, the horizontal hydro-cylinder has been arranged to the inside of flexible side pipe.

Preferably, a hydraulic lock is arranged on the arm lifting oil cylinder.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. through the fixed revolving stage of arranging on the crane base for this crane mechanism of two sections track transport vechicles can carry out the rotation in a circumferential direction when flexible arm extension or shorten, and to a certain extent makes things convenient for the lifting by crane of relevant personnel to the heavy object.

2. Through two landing leg devices that fixed arrangement is anterior and be symmetrical arrangement in the rear truck for this two sections track transport vechicles's crane mechanism has better structural stability, and the transport vechicles is when lifting by crane the operation, is difficult for appearing the incident.

Drawings

Fig. 1 is a schematic side view of the present invention;

fig. 2 is a schematic structural view of the lifting device of the present invention;

fig. 3 is a schematic structural view of the leg support device of the present invention;

fig. 4 is one of schematic top view structures of the present invention;

fig. 5 is a second schematic top view of the present invention.

Description of reference numerals:

1. the crane comprises a front vehicle, a rear vehicle, a fixed platform, a crane base, a rotating table, a crane main arm lifting cylinder, a crane main arm lifting cylinder, a crane main arm, a crane base, a crane main arm.

Detailed Description

The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the crane mechanism of a two-section crawler transport vehicle provided by the embodiment of the present invention comprises a lifting device disposed at the front portion of a rear vehicle 2 and two leg devices disposed at the front portion of the rear vehicle 2 and symmetrically, the lifting device comprises a fixed platform 3 fixedly disposed at the front portion of the rear vehicle 2, a crane base 4 fixedly disposed at the top of the fixed platform 3 by a first bolt, a rotating platform 5 fixedly disposed on the crane base 4, a main arm 6 fixedly disposed on the rotating platform 5, a lifting arm 10 disposed at the top end of the main arm 6 and movably connected by a first pin 20, and a lifting arm cylinder 8 movably disposed between the main arm 6 and the lifting arm 10, wherein one end of the lifting arm 10 away from the main arm 6 is movably connected with a telescopic arm 11 by a telescopic cylinder 9, the end of the telescopic arm 11 is provided with a lifting hook 12, wherein, the front end of the rear vehicle 2 is connected with the front vehicle 1 through a hinge mechanism, the rear vehicle 2 is provided with a loading carriage 19, a lifting arm oil cylinder 8 is respectively movably connected with the main arm 6 and the lifting arm 10 through a second pin shaft 7 movably arranged on the main arm 6 and a third pin shaft 21 movably arranged on the lifting arm 10, a telescopic oil cylinder 9 is respectively movably connected with the lifting arm 10 and the telescopic arm 11 through a fourth pin shaft 22 movably arranged on the lifting arm 10 and a fifth pin shaft 23 movably arranged on the telescopic arm 11, the lifting arm 10 and the telescopic arm 11 of the crane mechanism are both processed by cold drawing rectangular square tubes, the lifting arm 10 is an outer square tube, the telescopic arm 11 is an inner square tube, the telescopic oil cylinder 9 is arranged in the rectangular outer square tube, a piston rod of the telescopic oil cylinder 9 is connected with the inner square tube, and the telescopic oil cylinder 9 pushes and pulls the telescopic arm 11 to have a telescopic function, thereby meeting the loading and unloading requirements of different cargos at far and near, arrange revolving stage 5 on crane base 4 for this two sections track transport vechicles's crane mechanism can carry out the rotation in a circumferential direction when flexible arm 11 extends or shortens, and to a certain extent, makes things convenient for the lifting by crane of relevant personnel to the heavy object.

Preferably, the leg device comprises a connecting plate 13 fixedly connected to the fixed platform 3 through a second bolt, a telescopic square pipe 15 arranged on one side of the connecting plate 13, a fixed frame 16 arranged at one end of the telescopic square pipe 15, a leg oil cylinder 17 arranged below the fixed frame 16 and a leg plate 18 fixedly arranged at the bottom of the leg oil cylinder 17, a horizontal oil cylinder 14 is arranged inside the telescopic square pipe 15, the telescopic square pipe 15 of the leg device is processed by adopting a cold-drawn rectangular square pipe, an inner square pipe is sleeved in the outer square pipe, the horizontal oil cylinder 14 is installed in the outer square pipe, a piston rod of the horizontal oil cylinder 14 is connected with the inner square pipe, and the horizontal oil cylinder 14 pushes and pulls the telescopic square pipe 15 to control the leg device to stretch towards two sides, so that the stability of the vehicle during hoisting, loading and unloading is maintained.

Preferably, a hydraulic lock is arranged on the arm lifting cylinder 8, and the hydraulic lock can prevent oil discharge in the arm lifting cylinder 8 and prevent the lifting arm 10 from automatically falling.

During the use, before lifting by crane, horizontal cylinder 14 control flexible square pipe 15 stretches out mount 16 and landing leg hydro-cylinder 17 to both sides, landing leg hydro-cylinder 17 control landing leg board 18 and ground contact compaction, stabilize the automobile body, when lifting by crane the object, through the height of lift arm hydro-cylinder 8 control lifting hook 12, through flexible hydro-cylinder 9 drive flexible arm 11 extension or tensile, adjust the horizontal distance of lifting hook 12, simultaneously, revolving stage 5's setting, make this crane mechanism of two sections track transport vechicles, when flexible arm 11 extends or shortens, can carry out the circumferential direction rotation, to a certain extent, make things convenient for the lifting by crane of relevant personnel to the heavy object, after finishing work, earlier through landing leg hydro-cylinder 17 shrink landing leg board 18, rethread horizontal cylinder 14 control flexible square pipe 15 withdraws mount 16 and can accomplish and receive the leg action.

To sum up, the utility model discloses can make flexible arm when extension or shorten, can carry out the rotation in a circumferential direction, to a certain extent, make things convenient for the lifting by crane of relevant personnel to the heavy object, in addition, this two sections crawler carrier's crane mechanism has better structural stability, and the transport vechicle is when lifting by crane the operation, is difficult for appearing the incident.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a crane mechanism of two sections track transport vechicles, is including arranging the anterior hoisting accessory of back car and fixed arrangement two landing leg devices that just are the symmetrical arrangement in back car front portion, a serial communication port, hoisting accessory includes fixed platform, the crane base of arranging at the fixed platform top through first bolt fastening, the fixed revolving stage of arranging on the crane base, fixed main arm of arranging on the revolving stage, arrange on the main arm top and through first round pin axle swing joint lift arm and the activity of arranging the arm hydro-cylinder of lifting between main arm and lift arm at the fixed platform top of back car of fixed arrangement, the one end of keeping away from the main arm on the lift arm has flexible arm through flexible hydro-cylinder swing joint, the lifting hook is installed to the end of flexible arm.

2. The crane mechanism of a two-section crawler belt transport vehicle as claimed in claim 1, wherein the supporting leg device comprises a connecting plate fixedly connected to the fixed platform through a second bolt, a telescopic square tube arranged on one side of the connecting plate, a fixed frame arranged at one end of the telescopic square tube, a supporting leg oil cylinder arranged below the fixed frame, and a supporting leg plate fixedly arranged at the bottom of the supporting leg oil cylinder, wherein a horizontal oil cylinder is arranged inside the telescopic square tube.

3. The crane mechanism of claim 1, wherein the lift arm cylinder is provided with a hydraulic lock.