CN212832470U

CN212832470U - Small-size lifting machine for building

Info

Publication number: CN212832470U
Application number: CN202020353521.6U
Authority: CN
Inventors: 张来勇; 赵蓬; 常帅
Original assignee: Shandong Runfuyuan Construction Engineering Co ltd
Current assignee: Shandong Runfuyuan Construction Engineering Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-03-30
Anticipated expiration: 2030-03-19

Abstract

The utility model provides a small-size lifting machine for building, including installation chassis, rotary mechanism, stand, activity cassette, electric push cylinder, telescopic boom, lifting hook and controller, the utility model discloses rotary mechanism's setting, when rotatory, T type connecting piece closely cooperates with the stand, and the stand rotates on the second bearing, rotates the lifting machine through the form of artifical promotion, and the rotation position adjustment is convenient, can stop at any time, very big demand when having made things convenient for the construction; the first bearing and the second bearing are arranged, the first bearing can ensure that the axes of the T-shaped connecting piece and the upright post are unchanged when the T-shaped connecting piece and the upright post rotate, and the crane is prevented from inclining; the second bearing can bear the axial force brought by the upright post and ensure that the upright post rotates lightly; the bolt and the limiting hole are arranged, after the crane rotates to a certain position, the bolt is inserted into the limiting hole before the crane lifts, and the crane is prevented from rotating when lifted.

Description

Small-size lifting machine for building

Technical Field

The utility model belongs to the technical field of the equipment of lifting by crane, especially, relate to a small-size lifting machine for building.

Background

In some square building construction, a columnar pile is sometimes arranged in a designated place to block the vehicle from entering, and manual prying and carrying are usually adopted, so that the labor intensity is high.

At present, the common crane equipment has the disadvantages of large volume, large occupied space, high construction cost, no rotation function of a small crane and inconvenient use.

Therefore, the invention of a small-sized crane for construction is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a small-size lifting machine for building to solve at present, lifting machine equipment volume commonly used is huge, and occupation space is big, and construction cost is high, and miniature lifting machine does not have gyration function, uses inconvenient problem. A small-sized lifting machine for buildings comprises an installation underframe, a rotating mechanism, a stand column, a movable clamping seat, an electric pushing cylinder, a telescopic arm, a lifting hook and a controller, wherein the installation underframe adopts two angle irons and is welded on two sides of the bottom of the rotating mechanism; the rotating mechanism is detachably connected with the upright post; 2 movable clamping seats are adopted and respectively welded on one side of the middle position of the upright post and one side of the upper end of the upright post; two ends of the electric pushing cylinder are respectively movably connected with the movable clamping seat and the telescopic arm; the telescopic arm is connected with the upright post through a movable clamping seat at one end; the lifting hook is arranged at one end of the telescopic arm far away from the movable clamping seat through a rotating shaft; the controller is installed on one side of the upright post through a screw and is connected with the electric pushing cylinder through a lead.

The bottom of the upright post is provided with an internal thread; the telescopic boom is formed by sleeving two boom cylinders, the inner wall cylinder and the outer boom cylinder are fixed through bolts, the length of the telescopic boom is adjusted firstly before use, and the telescopic boom is fixed through the bolts, so that the telescopic boom is simple in structure and convenient to stretch.

The rotating mechanism comprises a fixed seat, a first bearing, a T-shaped connecting piece, a second bearing, a fixed disk, a bolt and a limiting hole, wherein the first bearing is sleeved in the fixed seat; the upper end of the T-shaped connecting piece is provided with external threads, and the T-shaped connecting piece is connected with the first bearing in an interference fit manner and is in threaded connection with the bottom of the upright post; the second bearing is arranged between the fixed seat and the upright post; the fixed disc is welded at the lower end of the upright post; the fixed disk on peg graft and have the bolt, when rotatory, T type connecting piece closely cooperates with the stand, the stand is rotatory on the second bearing, rotates the loop wheel machine through the form that artifical promoted, rotatory position adjustment is convenient, can stop at any time, very big demand when having made things convenient for the construction.

The first bearing adopts a deep groove ball bearing; the second bearing adopts a thrust ball bearing, and the first bearing can ensure that the axes of the T-shaped connecting piece and the upright post are unchanged during rotation, so that the crane is prevented from inclining; the second bearing can bear the axial force brought by the upright post and enables the upright post to rotate conveniently.

The fixing base around seted up a plurality of spacing holes that are used for cooperating the bolt to use, after the lifting machine is rotatory to a certain position, insert the bolt in spacing downthehole before lifting by crane, prevent that the lifting machine from taking place to rotate when lifting by crane.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the rotating mechanism of the utility model is arranged, when rotating, the T-shaped connecting piece is tightly matched with the stand column, the stand column rotates on the second bearing, the crane rotates in a manual pushing mode, the rotating direction is convenient to adjust and can be stopped at any time, and the requirement of construction is greatly facilitated;

2. the first bearing can ensure that the axes of the T-shaped connecting piece and the upright post are unchanged during rotation, and the lifting machine is prevented from inclining; the second bearing can bear the axial force brought by the upright post and ensure that the upright post rotates lightly;

3. the utility model discloses the setting in bolt and spacing hole, after the hoist crane is rotatory to an allocation, insert the bolt in spacing hole before lifting by crane, prevent that the hoist crane from taking place to rotate when lifting by crane.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the rotating mechanism of the present invention.

In the figure:

the method comprises the following steps of 1-installing an underframe, 2-rotating mechanism, 21-fixing seat, 22-first bearing, 23-T-shaped connecting piece, 24-second bearing, 25-fixing disc, 26-bolt, 27-limiting hole, 3-upright post, 4-movable clamping seat, 5-electric pushing cylinder, 6-manual telescopic arm, 7-lifting hook and 8-controller.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1-2

The utility model provides a small-sized lifting machine for construction, which comprises an installation underframe 1, a rotating mechanism 2, a stand column 3, a movable clamping seat 4, an electric pushing cylinder 5, a telescopic arm 6, a lifting hook 7 and a controller 8, wherein the installation underframe 1 adopts two angle irons which are welded on two sides of the bottom of the rotating mechanism 2; the rotating mechanism 2 is detachably connected with the upright post 3; 2 movable clamping seats 4 are respectively welded on one side of the middle position of the upright post 3 and one side of the upper end of the upright post 3; two ends of the electric pushing cylinder 5 are movably connected with the movable clamping seat 4 and the telescopic arm 6 respectively; the telescopic arm 6 is connected with the upright post 3 through a movable clamping seat 4 at one end; the lifting hook 7 is arranged at one end of the telescopic arm 6 far away from the movable clamping seat 4 through a rotating shaft; the controller 8 is installed on one side of the upright post 3 through a screw and is connected with the electric pushing cylinder 5 through a lead.

The bottom of the upright post 3 is provided with an internal thread; the telescopic arm 6 is formed by sleeving two arm cylinders, the inner wall cylinder and the outer arm cylinder are fixed through bolts, the length of the telescopic arm 6 is adjusted firstly before use, and the telescopic arm is fixed through bolts, so that the telescopic arm is simple in structure and convenient to stretch.

The rotating mechanism 2 comprises a fixed seat 21, a first bearing 22, a T-shaped connecting piece 23, a second bearing 24, a fixed disk 25, a plug 26 and a limiting hole 27, wherein the first bearing 22 is sleeved in the fixed seat 21; the upper end of the T-shaped connecting piece 23 is provided with an external thread, and the T-shaped connecting piece 23 is connected with the first bearing 22 in an interference fit manner and is in threaded connection with the bottom of the upright post 3; the second bearing 24 is arranged between the fixed seat 21 and the upright post 3; the fixed disc 25 is welded at the lower end of the upright post 3; fixing disk 25 on peg graft and have bolt 26, when rotatory, T type connecting piece 23 closely cooperates with stand 3, stand 3 is rotatory on second bearing 24, rotates the loop wheel machine through the form that artifical promoted, rotatory position adjustment is convenient, can stop at any time, very big demand when having made things convenient for the construction.

The first bearing 22 adopts a deep groove ball bearing; the second bearing 24 adopts a thrust ball bearing, and the first bearing 22 can ensure that the axes of the T-shaped connecting piece 23 and the upright post 3 are unchanged during rotation, so that the crane is prevented from inclining; the second bearing 24 can bear the axial force brought by the upright post 3 and make the upright post 3 rotate easily.

A plurality of limiting holes 27 used for being matched with the bolts 26 are formed in the periphery of the fixing seat 21, after the crane rotates to a certain position, the bolts 26 are inserted into the limiting holes 27 before the crane lifts, and the crane is prevented from rotating when the crane lifts.

Principle of operation

The utility model discloses in, in the rotation, T type connecting piece 23 closely cooperates with stand 3, and stand 3 is rotatory on second bearing 24, after rotatory a position, insert bolt 26 in spacing hole 27 before lifting by crane, prevent that the crane from taking place to rotate when lifting by crane, then adjust the length of flexible arm 6 to through the bolt fastening, through 8 control electric propulsion cylinders 5 of controller flexible, thereby drive the lift of flexible arm 6, get in order to realize lifting by crane of article.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a small-size lifting machine for building which characterized in that: the device comprises an installation underframe (1), a rotating mechanism (2), an upright post (3), a movable clamping seat (4), an electric pushing cylinder (5), a telescopic arm (6), a lifting hook (7) and a controller (8), wherein the installation underframe (1) adopts two angle irons and is welded on two sides of the bottom of the rotating mechanism (2); the rotating mechanism (2) is detachably connected with the upright post (3); 2 movable clamping seats (4) are respectively welded on one side of the middle position of the upright post (3) and one side of the upper end of the upright post (3); two ends of the electric pushing cylinder (5) are respectively movably connected with the movable clamping seat (4) and the telescopic arm (6); the telescopic arm (6) is connected with the upright post (3) through a movable clamping seat (4) at one end; the lifting hook (7) is arranged at one end of the telescopic arm (6) far away from the movable clamping seat (4) through a rotating shaft; the controller (8) is installed on one side of the upright post (3) through a screw and is connected with the electric pushing cylinder (5) through a lead.

2. The small-sized crane for construction as set forth in claim 1, wherein: the bottom of the upright post (3) is provided with an internal thread; the telescopic arm (6) is formed by sleeving two arm cylinders, and the inner wall cylinder and the outer arm cylinder are fixed through bolts.

3. The small-sized crane for construction as set forth in claim 1, wherein: the rotating mechanism (2) comprises a fixed seat (21), a first bearing (22), a T-shaped connecting piece (23), a second bearing (24), a fixed disk (25), a bolt (26) and a limiting hole (27), wherein the first bearing (22) is sleeved in the fixed seat (21); the upper end of the T-shaped connecting piece (23) is provided with an external thread, and the T-shaped connecting piece (23) is connected with the first bearing (22) in an interference fit manner and is in threaded connection with the bottom of the upright post (3); the second bearing (24) is arranged between the fixed seat (21) and the upright post (3); the fixed disc (25) is welded at the lower end of the upright post (3); the fixed disc (25) is inserted with a bolt (26).

4. A small-sized crane for construction as set forth in claim 3, wherein: the first bearing (22) adopts a deep groove ball bearing; the second bearing (24) adopts a thrust ball bearing.

5. A small-sized crane for construction as set forth in claim 3, wherein: a plurality of limiting holes (27) used for being matched with the bolts (26) are formed in the periphery of the fixing seat (21).