CN215326553U

CN215326553U - Column folding type light crane

Info

Publication number: CN215326553U
Application number: CN202121218262.7U
Authority: CN
Inventors: 于清江; 刘娜; 岳宏伟
Original assignee: Guanglinte Loading Jinzhou Co ltd
Current assignee: Guanglinte Loading Jinzhou Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-28
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a stand column folding type light crane which comprises a base, stand columns, folding stand columns and a first-stage boom frame, wherein the stand columns are fixedly arranged on the upper portion of the base, the folding stand columns are hinged to the upper ends of the stand columns, the first-stage boom frame is assembled at the upper ends of the folding stand columns, a first-stage oil cylinder is assembled on the left side of the stand columns, the upper end of the first-stage oil cylinder is assembled in the middle of the outer wall of each folding stand column, a second-stage oil cylinder is assembled on the surface of each folding stand column, a bearing hinge seat is arranged at the root of the bottom surface of the first-stage boom frame, the upper end of the second-stage oil cylinder is hinged to the bearing hinge seat, and a hoisting hook is assembled at the front end of the first-stage boom frame. The stable casing assembled at the joint of the folding upright post and the first-stage cantilever crane frame is beneficial to improving the connection strength between the folding upright post and the first-stage cantilever crane frame; the guide wheel is used for being matched with a traction rope for use.

Description

Column folding type light crane

Technical Field

The utility model relates to the technical field of crane equipment, in particular to a light crane with a folding upright post.

Background

The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. With the expansion of market demands, the existing lorry-mounted crane is more and more difficult to meet the market demands; the fire control field needs nimble and folding little lorry crane of occupation space because of its special operational environment and the demand of coping different operation spaces, lacks the equipment that can accurately satisfy this demand on the market.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a column folding type light crane, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a foldable light crane of stand, includes base, stand, folding stand and one-level jib frame, stand fixed mounting in the upper portion of base, and folding stand articulates in the upper end of stand, and first-level jib frame assembles in the upper end of folding stand, the left side of stand is equipped with the one-level hydro-cylinder, the upper end of one-level hydro-cylinder assembles in the middle part of folding stand outer wall, the surface assembly of folding stand has the second grade hydro-cylinder, the root of one-level jib frame bottom surface is provided with the articulated seat of bearing, the upper end and the articulated seat of bearing of second grade hydro-cylinder are articulated each other, the front end of one-level jib frame is equipped with the hoist lifting hook.

Preferably, a second-level boom is assembled inside the first-level boom, a third-level boom is arranged inside the second-level boom, and a fourth-level boom is arranged inside the third-level boom. The four-stage crane boom is internally provided with a five-stage crane boom, and the hoisting hook is assembled at the lower side of the five-stage crane boom.

Preferably, the side walls of the first-stage boom, the second-stage boom, the third-stage boom, the fourth-stage boom and the fifth-stage boom are all fixedly provided with cylinder assembly frames, and the two cylinder assembly frames are sequentially provided with telescopic control cylinders from left to right.

Preferably, a tractor support is assembled on the lower side of the primary boom frame, a tractor is assembled in the tractor support, and a traction rope is assembled between the tractor and the hoisting hook.

Preferably, a stable casing is assembled at the joint of the folding upright post and the first-stage cantilever crane frame.

Preferably, the upper end of the base is fixedly provided with a rotating base, and the upright post is assembled on the upper side of the rotating base.

Preferably, the guide wheels are fixedly installed at the right ends of the lower side walls of the first-stage cantilever crane frame, the second-stage cantilever crane frame, the third-stage cantilever crane frame, the fourth-stage cantilever crane frame and the fifth-stage cantilever crane frame.

Compared with the prior art, the utility model has the beneficial effects that: when a worker uses the device, the effect of controlling the device is achieved through the control rods connected with the oil cylinders and the traction machine, wherein the primary oil cylinder and the secondary oil cylinder are coordinated and moved by the control device, and the boom frame is kept horizontal after the device is unfolded; the upright column, the folding upright column and the first-stage boom frame are hinged in a Z shape, the upper end pivot of the first-stage oil cylinder is positioned above the lower end pivot of the second-stage oil cylinder, the folding upright column is perpendicular to the ground after the equipment is unfolded, the first-stage boom frame is parallel to the ground, and the included angle between the second-stage oil cylinder and the first-stage boom frame is 60 degrees. The first-stage cantilever crane frame, the second-stage cantilever crane frame, the third-stage cantilever crane frame, the fourth-stage cantilever crane frame and the fifth-stage cantilever crane frame form a five-stage telescopic cantilever crane frame structure, the folding ratio of the long cantilever crane frame can be greatly improved, each stage of cantilever crane frame is driven by an independent telescopic control oil cylinder, the effect of single-stage expansion can be achieved, the length of the cantilever crane frame can be more flexibly controlled, and compared with multi-stage coordinated synchronous expansion, single-stage expansion is more energy-saving. The stable casing assembled at the joint of the folding upright post and the first-stage cantilever crane frame is beneficial to improving the connection strength between the folding upright post and the first-stage cantilever crane frame; the guide wheel is used for being matched with a traction rope for use.

Drawings

FIG. 1 is a front view of the semi-collapsed condition of the present invention;

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

fig. 3 is a front view of the unfolded state of the present invention.

In the figure: the device comprises a base 1, a stand column 2, a folding stand column 3, a first-level boom frame 4, a hoisting hook 5, a first-level oil cylinder 6, a second-level oil cylinder 7, a bearing hinged seat 8, a tractor support 9, a tractor 10, a stable jacket 11, a traction rope 12, a guide wheel 13, an oil cylinder assembly frame 14, a rotating base 15, a second-level boom frame 16, a third-level boom frame 17, a fourth-level boom frame 18, a fifth-level boom frame 19 and a telescopic control oil cylinder 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a column folding type light crane comprises a base 1, a column 2, a folding column 3 and a first-stage crane boom frame 4, wherein the column 2 is fixedly arranged at the upper part of the base 1, the folding column 3 is hinged at the upper end of the column 2, the first-stage crane boom frame 4 is assembled at the upper end of the folding column 3, a first-stage oil cylinder 6 is assembled at the left side of the column 2, the upper end of the first-stage oil cylinder 6 is assembled at the middle part of the outer wall of the folding column 3, a second-stage oil cylinder 7 is assembled on the surface of the folding column 3, a bearing hinge seat 8 is arranged at the root part of the bottom surface of the first-stage crane boom frame 4, the upper end of the second-stage oil cylinder 7 is mutually hinged with the bearing hinge seat 8, and a hoisting hook 5 is assembled at the front end of the first-stage crane boom frame 4; the upright post 2, the folding upright post 3 and the first-stage boom frame 4 are hinged in a Z shape, the upper end pivot of the first-stage oil cylinder 6 is positioned above the lower end pivot of the second-stage oil cylinder 7, the folding upright post 3 is perpendicular to the ground after the equipment is unfolded, meanwhile, the first-stage boom frame 4 is parallel to the ground, and the included angle between the second-stage oil cylinder 7 and the first-stage boom frame 4 is 60 degrees.

Specifically, a second-level boom 16 is assembled inside the first-level boom 4, a third-level boom 17 is arranged inside the second-level boom 16, and a fourth-level boom 18 is arranged inside the third-level boom 17. A fifth-level boom 19 is arranged inside the fourth-level boom 18, and the hoisting hook 5 is assembled on the lower side of the fifth-level boom 19; the first-stage cantilever crane 4, the second-stage cantilever crane 16, the third-stage cantilever crane 17, the fourth-stage cantilever crane 18 and the fifth-stage cantilever crane 19 form a five-stage telescopic cantilever crane structure, so that the folding ratio of the long cantilever crane can be greatly improved.

Specifically, the side walls of the first-stage boom 4, the second-stage boom 16, the third-stage boom 17, the fourth-stage boom 18 and the fifth-stage boom 19 are all fixedly provided with cylinder assembly frames 14, and the two cylinder assembly frames 14 are sequentially provided with telescopic control cylinders 20 from left to right; the crane jib frame is driven by the independent telescopic control oil cylinder 20 between each stage of crane jib frame, the effect of single-stage expansion can be achieved, the length of the crane jib frame can be more flexibly controlled, and compared with multi-stage coordinated synchronous expansion, single-stage expansion is more energy-saving.

Specifically, a tractor support 9 is assembled on the lower side of the primary boom frame 4, a tractor 10 is assembled in the tractor support 9, and a traction rope 12 is assembled between the tractor 10 and the hoisting hook 5.

Specifically, a stable sleeve 11 is assembled at the joint of the folding upright post 3 and the primary cantilever crane frame 4; the connection strength between the two is improved.

Specifically, a rotating base 15 is fixedly mounted on the upper end of the base 1, and the column 2 is fitted to the upper side of the rotating base 15.

Specifically, the right ends of the lower side walls of the first-stage cantilever crane 4, the second-stage cantilever crane 16, the third-stage cantilever crane 17, the fourth-stage cantilever crane 18 and the fifth-stage cantilever crane 19 are all fixedly provided with guide wheels 13; the guide pulley 13 is used in conjunction with the pull cord 12.

The working principle is as follows: when the device is used, when a worker uses the device, the effect of controlling the device is achieved through the operating rods connected with the oil cylinders and the tractor 10, wherein the primary oil cylinder 6 and the secondary oil cylinder 7 are coordinated and moved by the control device, and the boom frame is kept horizontal after the device is unfolded; the upright post 2, the folding upright post 3 and the first-stage boom frame 4 are hinged in a Z shape, the upper end pivot of the first-stage oil cylinder 6 is positioned above the lower end pivot of the second-stage oil cylinder 7, the folding upright post 3 is perpendicular to the ground after the equipment is unfolded, meanwhile, the first-stage boom frame 4 is parallel to the ground, and the included angle between the second-stage oil cylinder 7 and the first-stage boom frame 4 is 60 degrees. The first-stage cantilever crane frame 4, the second-stage cantilever crane frame 16, the third-stage cantilever crane frame 17, the fourth-stage cantilever crane frame 18 and the fifth-stage cantilever crane frame 19 form a five-stage telescopic cantilever crane frame structure, the folding ratio of the long cantilever crane frame can be greatly improved, each stage of cantilever crane frame is driven by an independent telescopic control oil cylinder 20, the effect of single-stage expansion can be achieved, the length of the cantilever crane frame can be more flexibly controlled, and compared with multi-stage coordinated synchronous expansion, single-stage expansion is more energy-saving. The stable sleeve 11 assembled at the joint of the folding upright post 3 and the first-level cantilever crane frame 4 is beneficial to improving the connection strength between the folding upright post and the first-level cantilever crane frame; the guide pulley 13 is used in conjunction with the pull cord 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foldable light crane of stand, includes base (1), stand (2), folding stand (3) and one-level jib rest (4), and stand (2) fixed mounting is in the upper portion of base (1), and folding stand (3) articulate in the upper end of stand (2), and first order jib rest (4) assemble in the upper end of folding stand (3), its characterized in that: the left side of stand (2) is equipped with one-level hydro-cylinder (6), the upper end of one-level hydro-cylinder (6) assembles in the middle part of folding stand (3) outer wall, the surface assembly of folding stand (3) has second grade hydro-cylinder (7), the root of one-level cantilever crane frame (4) bottom surface is provided with the articulated seat of bearing (8), the upper end and the articulated seat of bearing (8) of second grade hydro-cylinder (7) are articulated each other, the front end of one-level cantilever crane frame (4) is equipped with hoist lifting hook (5).

2. A column folding light crane according to claim 1, characterized in that: the inside of the first-stage cantilever crane (4) is provided with a second-stage cantilever crane (16), the inside of the second-stage cantilever crane (16) is provided with a third-stage cantilever crane (17), the inside of the third-stage cantilever crane (17) is provided with a fourth-stage cantilever crane (18), the inside of the fourth-stage cantilever crane (18) is provided with a fifth-stage cantilever crane (19), and the hoisting hook (5) is arranged on the lower side of the fifth-stage cantilever crane (19).

3. A column folding light crane according to claim 2, characterized in that: the side walls of the first-stage cantilever crane frame (4), the second-stage cantilever crane frame (16), the third-stage cantilever crane frame (17), the fourth-stage cantilever crane frame (18) and the fifth-stage cantilever crane frame (19) are fixedly provided with oil cylinder assembly frames (14), and the two oil cylinder assembly frames (14) are sequentially assembled with telescopic control oil cylinders (20) from left to right.

4. A column folding light crane according to claim 1, characterized in that: the lower side of the primary cantilever crane frame (4) is provided with a tractor support (9), a tractor (10) is arranged in the tractor support (9), and a traction rope (12) is arranged between the tractor (10) and the hoisting hook (5).

5. A column folding light crane according to claim 1, characterized in that: the connection part of the folding upright post (3) and the first-level cantilever crane frame (4) is provided with a stable casing (11).

6. A column folding light crane according to claim 1, characterized in that: the upper end fixed mounting of base (1) has rotating base (15), stand (2) assemble in the upside of rotating base (15).

7. A column folding light crane according to claim 3, characterized in that: and guide wheels (13) are fixedly arranged at the right ends of the lower side walls of the first-stage cantilever crane (4), the second-stage cantilever crane (16), the third-stage cantilever crane (17), the fourth-stage cantilever crane (18) and the fifth-stage cantilever crane (19).