CN214653190U

CN214653190U - Adjustable portable lifting device

Info

Publication number: CN214653190U
Application number: CN202120914432.9U
Authority: CN
Inventors: 徐苗苗; 唐潮; 张星鹏; 曹兆伟; 相超
Original assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Current assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-09
Anticipated expiration: 2031-04-29

Abstract

The utility model provides an adjustable movable hoisting device, which comprises a hoisting base with universal wheels at the bottom, wherein the front end of the hoisting base is hinged with a hoisting big arm, the rear end of the hoisting base is provided with a balancing weight, and the other end of the hoisting big arm is provided with a fixed pulley; the hoisting base is further provided with a winch, a hoisting steel wire rope extending out of the winch is connected with the lifting hook through the fixed pulley, and a limit switch is arranged between the lifting hook and the fixed pulley, so that the maximum hoisting height of the component can be limited, and the hoisting safety is ensured. Surface mounting has scalable and has the triangular supports frame of universal wheel under the big arm of hoist and mount, and installs the telescopic horizontal pole between triangular supports frame and the big arm of hoist, realizes lifting up the regulation of height to the big arm of hoist jointly, avoids the big arm of hoist to damage floor main structure. The hoisting equipment has a simple structure, can adapt to a complex operation environment, can be disassembled for repeated use, and can flexibly move through the universal wheels; the hoisting equipment has low labor intensity for hoisting operation, high operation efficiency, safety and reliability.

Description

Adjustable portable lifting device

Technical Field

The utility model belongs to the technical field of building engineering, especially, relate to an adjustable portable lifting device.

Background

In the installation and construction process of the high-rise building outer enclosing structure and the components (precast concrete wall panels, GRC components, unit curtain walls, enterprise LOGO marks and the like), the traditional construction method is adopted, namely, a tower crane is used for hoisting. However, the tower crane has high hoisting cost, occupies a large space, and is greatly limited when used in a narrow construction site; and because the construction site environment is complicated, the construction types are many, the construction period task is tight, and the progress of the whole project can be influenced by hoisting all the tower cranes. Therefore, the outer enclosing structure and the members of the building hoisted by the tower crane have the defects of high cost, low efficiency, inflexible use and the like, and do not meet the requirements of modern construction, so that the problem needs to be solved by providing adjustable and movable hoisting equipment.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides an adjustable portable lifting device, lifting device can realize nimble removal through the universal wheel, utilizes telescopic triangular supports frame and horizontal pole to support the big arm of hoist and mount, and to the big arm of hoist and mount highly lifting up and carry out nimble regulation, combine the hoist engine to realize hoist and mount operation simultaneously, hoist and mount efficient and safe and reliable.

The utility model discloses a realize above-mentioned technical purpose through following technological means.

An adjustable and movable hoisting device comprises a hoisting base with universal wheels mounted at the bottom, wherein a hoisting large arm is hinged at the front end of the hoisting base, a balancing weight is mounted at the rear end of the hoisting base, a fixed pulley is mounted at the other end of the hoisting large arm, a winch and a control cabinet are mounted on the hoisting base between the hoisting large arm and the balancing weight, the winch is in signal connection with the control cabinet, and a hoisting steel wire rope extending out of the winch is connected with a lifting hook through the fixed pulley; surface mounting has telescopic triangular supports frame under the big arm of hoist, and the universal wheel is installed to the triangular supports frame bottom, installs the telescopic horizontal pole between triangular supports frame lower part and the big arm of hoist lower part.

Furthermore, an induction type limit switch is installed between the lifting hook and the fixed pulley, and the limit switch is in signal connection with the control cabinet.

Furthermore, a group of diagonal steel wire ropes is arranged between the rear end of the hoisting base and the upper part of the hoisting large arm.

Furthermore, the triangular support frame is made of welded steel pipes and comprises a cross brace with universal wheels mounted at the bottom, a first vertical brace is vertically welded at the center of the upper surface of the cross brace, and inclined braces are welded between two sides of the first vertical brace and the cross brace; install the second in the first erects to prop, and all be equipped with a plurality of bolt mounting holes on first erects to prop, the second erects to prop the top and be connected with the big arm of hoist and mount.

Further, the horizontal pole is including first steel pipe and the second steel pipe that is equipped with a plurality of bolt mounting holes, and the second steel pipe passes through the bolt to be installed in first steel pipe, and first steel pipe is connected with the triangular supports frame, and the second steel pipe is connected with the big arm of hoist and mount.

The utility model discloses following beneficial effect has:

the adjustable movable hoisting equipment provided by the utility model has simple structure and low manufacturing cost, can adapt to complex operation environment, can be disassembled for repeated use, and can realize flexible movement through the universal wheels; the lifting height of the lifting big arm can be adjusted by using the telescopic triangular support frame and the cross rod to support the lifting big arm, so that the lifting equipment is prevented from damaging the main structure of a floor; the hoisting equipment is also provided with a limit switch which can limit the maximum hoisting height of the component and ensure the hoisting safety; utilize when lifting device hoists the operation, low in labor strength, the high and safe and reliable of operating efficiency can accelerate the construction progress to a great extent.

Drawings

Fig. 1 is a schematic structural view of the hoisting device of the present invention;

FIG. 2 is a schematic view of the triangular support frame of the present invention;

fig. 3 is a top view of the hoisting device of the present invention;

figure 4 is the hoisting device of the utility model uses the schematic view.

In the figure: 1-hoisting a base; 2-universal wheels; 3-hoisting the big arm; 4-a balancing weight; 5-fixed pulley; 6-a winch; 7-hoisting the steel wire rope; 8-a hook; 9-limit switch; 10-stayed steel wire ropes; 11-a triangular support frame; 110-a cross brace; 111-a first vertical brace; 112-inclined strut; 113-a second vertical support; 12-a cross-bar; 120-a first steel tube; 121-a second steel tube; 13-a member; 14-guy rope.

Detailed Description

The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", 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 of 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 thus should not be construed as limiting the present invention; the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections, direct connections, indirect connections through intervening media, and communication between two elements; 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, adjustable portable lifting device, including hoist and mount base 1, universal wheel 2, hoist and mount big arm 3, balancing weight 4, fixed pulley 5, hoist engine 6, hoist and mount wire rope 7, lifting hook 8, limit switch 9, draw wire rope 10, triangular supports frame 11, horizontal pole 12, switch board to one side.

As shown in fig. 1 and 3, a universal wheel 2 is installed at the bottom of a hoisting base 1, a hoisting large arm 3 is hinged at the front end of the hoisting base 1, a balancing weight 4 is installed at the rear end of the hoisting base 1, and the weight of the balancing weight 4 is determined according to the weight of an actually hoisted component 13; the fixed pulley 5 is installed to the other end of hoist and mount big arm 3, installs hoist engine 6 and switch board on the hoist and mount base 1 between hoist and mount big arm 3 and balancing weight 4, and hoist engine 6 and switch board signal connection, hoist and mount wire rope 7 that hoist engine 6 stretches out are connected with lifting hook 8 through fixed pulley 5 for the component of hoisting. An induction type limit switch 9 is further installed between the lifting hook 8 and the fixed pulley 5, and the limit switch 9 is in signal connection with the control cabinet and used for limiting the maximum lifting height of the component 13 and guaranteeing lifting safety. A group of diagonal steel wire ropes 10 are symmetrically arranged between the rear end of the hoisting base 1 and the upper part of the hoisting large arm 3, and are used for ensuring that the hoisting equipment is more stable integrally.

As shown in fig. 1 and 2, a triangular support frame 11 is mounted on the lower surface of the hoisting large arm 3 and used for supporting the hoisting large arm 3, and a group of universal wheels 2 is mounted at the bottom of the triangular support frame 11; and a cross rod 12 is further arranged between the lower part of the triangular support frame 11 and the lower part of the hoisting large arm 3, so that the overall stability of the hoisting equipment can be further improved.

In this embodiment, the triangular supports 11 and the cross bar 12 are preferably both of a telescopic structure. The triangular support frame 11 is made of welded steel pipes and comprises a cross brace 110 with a universal wheel 2 mounted at the bottom, a first vertical brace 111 is vertically welded at the center of the upper surface of the cross brace 110, and inclined braces 112 are welded between two sides of the first vertical brace 111 and the cross brace 110; a second vertical support 113 is arranged in the first vertical support 111, a plurality of bolt mounting holes are formed in the first vertical support 111 and the second vertical support 113, and the top of the second vertical support 113 is connected with the large hoisting arm 3; the height of the triangular support frame 11 can be adjusted by adjusting the mounting position of the bolt between the first vertical support 111 and the second vertical support 113, so that the lifting height of the hoisting large arm 3 can be indirectly adjusted. The cross bar 12 comprises a first steel pipe 120 and a second steel pipe 121 which are provided with a plurality of bolt mounting holes, the second steel pipe 121 is mounted in the first steel pipe 120 through bolts, the first steel pipe 120 is connected with the triangular support frame 11, and the second steel pipe 121 is connected with the hoisting big arm 3; the length adjustment of the cross rod 12 can be realized by adjusting the installation position of the bolt between the first steel pipe 120 and the second steel pipe 121, so that the lifting height of the hoisting large arm 3 is indirectly adjusted.

In practical use, as shown in fig. 4, the hoisting device main body is moved to a specified hoisting position through the universal wheel 2, a proper winch 6 and a proper counterweight 4 are selected according to the weight of the hoisting member 13, and then the hoisting device is assembled and fixed on a corresponding floor; then, the triangular support frame 11 and the cross rod 12 are adjusted to enable the hoisting big arm 3 to be at a proper lifting height, and collision with a floor main structure is avoided in the hoisting process; connecting the lifting hook 8 with a component 13 to be lifted, simultaneously pulling the lower part of the component 13 by using a guy rope 14 to keep the component 13 balanced, then opening a switch of a control cabinet, controlling the winch 6 to work, lifting the component 13 to a specified mounting height, and closing the winch 6; subsequently, the horizontal hoisting system on the construction site continues hoisting the member 13 to the specified installation position; the whole hoisting process is high in hoisting speed, high in construction efficiency and safe.

The embodiment is a preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and any obvious improvement, replacement or modification which can be made by those skilled in the art without departing from the essence of the present invention belongs to the protection scope of the present invention.

Claims

1. An adjustable movable hoisting device is characterized by comprising a hoisting base (1) with universal wheels (2) mounted at the bottom, wherein a hoisting large arm (3) is hinged to the front end of the hoisting base (1), a balancing weight (4) is mounted at the rear end of the hoisting large arm (3), a fixed pulley (5) is mounted at the other end of the hoisting large arm (3), a winch (6) and a control cabinet are mounted on the hoisting base (1) between the hoisting large arm (3) and the balancing weight (4), the winch (6) is in signal connection with the control cabinet, and a hoisting steel wire rope (7) extending out of the winch (6) is connected with a lifting hook (8) through the fixed pulley (5); the lower surface of the large hoisting arm (3) is provided with a telescopic triangular support frame (11), the bottom of the triangular support frame (11) is provided with a universal wheel (2), and a telescopic cross rod (12) is arranged between the lower part of the triangular support frame (11) and the lower part of the large hoisting arm (3).

2. The adjustable and movable hoisting device according to claim 1, wherein an inductive limit switch (9) is installed between the hook (8) and the fixed pulley (5), and the limit switch (9) is in signal connection with the control cabinet.

3. The adjustable and movable hoisting equipment according to claim 1, wherein a group of stayed-cable wires (10) is installed between the rear end of the hoisting base (1) and the upper part of the hoisting large arm (3).

4. The adjustable and movable type hoisting equipment according to claim 1, wherein the triangular support frame (11) is made of welded steel tubes and comprises a cross brace (110) with universal wheels (2) mounted at the bottom, a first vertical brace (111) is vertically welded at the center of the upper surface of the cross brace (110), and inclined braces (112) are welded between two sides of the first vertical brace (111) and the cross brace (110); install second erects in first erectting and prop (111) and prop (113), and all be equipped with a plurality of bolt mounting holes on first erectting and prop (111), the second erects and props (113), and second erects and props (113) top and hoist and mount big arm (3) and be connected.

5. The adjustable and movable type hoisting equipment according to claim 1, wherein the cross bar (12) comprises a first steel pipe (120) and a second steel pipe (121) which are provided with a plurality of bolt mounting holes, the second steel pipe (121) is mounted in the first steel pipe (120) through bolts, the first steel pipe (120) is connected with the triangular support frame (11), and the second steel pipe (121) is connected with the hoisting big arm (3).