Small movable lifting device

Abstract

The utility model belongs to the technical field of hoisting equipment, and particularly relates to a small movable hoisting device which comprises a movable base, a Y-shaped hoisting frame is arranged on the base and comprises a fixed column, the top end of the fixed column is rotatably connected with a rotating column, and the length of the rotating column can be adjusted in a telescopic mode. A left cantilever and a right cantilever are arranged at the top end of the rotating column, fixed pulleys are arranged at the top ends of the left cantilever and the right cantilever, the length of the left cantilever can be adjusted in a telescopic mode, two supporting columns are arranged at the upper end of the left cantilever, and the length of the supporting columns and the included angle between the supporting columns and the left cantilever can be adjusted. A hand-cranking winch is arranged on the rotating column, a steel wire rope is wound and fixed on the hand-cranking winch, a lifting hook is arranged at the free end of the steel wire rope, the free end of the steel wire rope passes through fixed pulleys on the right cantilever and the left cantilever in sequence for transition, and the lifting hook is hung below the left cantilever; the problem that equipment maintenance and replacement are time-consuming and labor-consuming is solved, and a worker can hoist the equipment to be overhauled or replaced on the ground by a certain safe distance away from a hole.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hoisting equipment technical field, concretely relates to a small -size mobile hoist. BACKGROUND

[0002] At present, part sewage treatment plant (station) adopts buried sewage treatment device, due to the periphery environment of submersible sewage pump, submersible mixer and other equipment cannot set fixed hoisting device, when overhauling or replacing these equipment, need worker to go to pool bottom, or manually pull equipment chain and pull it out pool bottom, and the maintenance and replacement operation of equipment are difficult, not only time -consuming, labor -intensive, there are also safety hazards such as equipment falling in the process of pulling. CONTENT

[0003] The utility model discloses a small -size mobile hoist, which solves the problem of time -consuming and labor -intensive maintenance and replacement of equipment, so that workers can hoist the equipment at a safe distance from the hole on the ground for maintenance or replacement.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] A small -size mobile hoist, comprising a movable base, a Y-shaped hoist frame is arranged on the base, the Y-shaped hoist frame comprises a fixed column connected with the base, a rotating column is rotatably connected to the top end of the fixed column, and the length of the rotating column is adjustable; the top end of the rotating column is provided with a left cantilever and a right cantilever, the top end of the left cantilever and the right cantilever is provided with a fixed pulley, the length of the left cantilever is adjustable, and the upper end of the left cantilever is provided with two support columns; the length of the support column and the included angle between the support column and the left cantilever are adjustable; a hand winch is arranged on the rotating column, a steel wire rope is wound and fixed on the hand winch, a hook is arranged at the free end of the steel wire rope, and the free end of the steel wire rope passes through the fixed pulleys on the right cantilever and the left cantilever in sequence, and the hook is hung below the left cantilever.

[0006] Further, a horizontal steering wheel is arranged between the fixed column and the rotating column, and the horizontal steering wheel can drive the rotating column to rotate.

[0007] Further, the height adjustment range of the Y-shaped hoist frame is 1.5m-3m.

[0008] Further, the length adjustment range of the left cantilever is 1m-2m.

[0009] Further, the length adjustment range of the two support columns is 1.2m-3.5m, and the included angle adjustment range of the support column and the left cantilever is 0°-120°.

[0010] Further, the base comprises a support plate, the bottom of the support plate is provided with a plurality of universal wheels with brakes, the support plate is a square plate with a side length of 50±5cm, and a Y-shaped lifting frame is arranged at the center of the support plate.

[0011] Further, a reinforcing rib plate is arranged between the fixed column and the support plate.

[0012] Compared with the prior art, the utility model has the following beneficial technical effects:

[0013] 1. By arranging the universal wheels with brakes on the base, the lifting device can be conveniently moved, and when the lifting device performs the lifting work, the brakes can limit the rotation of the universal wheels to fix the position of the lifting device.

[0014] 2. By arranging the horizontal steering wheels between the fixed column and the rotating column and adjusting the length of the rotating column, the lifting device can adapt to different lifting angles and lifting heights.

[0015] 3. By arranging the two support columns on the left cantilever, the length of the two support columns and the included angle between the support columns and the left cantilever can be adjusted according to the actual situation during lifting, so that the support force is provided for the lifting device to prevent the lifting device from toppling, and the counterweight is not needed to be additionally added during lifting of the heavy object, and after the lifting is completed, the two support columns can be shortened and folded and bound on the left cantilever to save space. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a support column folding state schematic view of the utility model. DETAILED DESCRIPTION

[0018] The following will be further described in detail through specific embodiments:

[0019] The reference signs in the drawings of the specification include:

[0020] Support plate 1, universal wheel 11, reinforcing rib plate 12, fixed column 2, horizontal steering wheel 3, rotating column 4, mounting plate 41, left cantilever 5, right cantilever 6, fixed pulley 7, support column 8, hand winch 9, steel wire rope 91, lifting hook 92.

[0021] EMBODIMENT

[0022] As Figs. 1-2As shown in the figure, a small mobile lifting device includes a movable base, the base includes a support plate 1, the bottom of the support plate 1 is provided with a plurality of universal wheels 11 with brakes, the support plate 1 is a square plate with a side length of 50±5 cm, and the center of the support plate 1 is provided with a Y-shaped lifting frame; by providing the universal wheels 11 with brakes on the base, the lifting device can be conveniently moved, and when the lifting device performs lifting work, the brakes can limit the rotation of the universal wheels 11 to fix the position of the lifting device, and the volume of the support plate 1 is small, occupying a small space, which can adapt to heavy lifting work in a narrow space.

[0023] As shown in the figure, Figs. 1-2 The Y-shaped lifting frame includes a fixed column 2 fixed at the center of the support plate 1, a reinforcing rib plate 12 is welded between the fixed column 2 and the support plate 1, and the top end of the fixed column 2 is connected with a rotating column 4 through a horizontal steering wheel 3, the horizontal steering wheel 3 can drive the rotating column 4 to rotate, so that the lifting device can adapt to the lifting angle of different heavy objects, the length of the rotating column 4 is adjustable, so that the lifting device can adapt to the lifting height of different heavy objects, and the height adjustment range of the Y-shaped lifting frame is 1.5 m-3 m.

[0024] As shown in the figure, Figs. 1-2 The top end of the rotating column 4 is fixed with a left cantilever 5 and a right cantilever 6, the top end of the left cantilever 5 and the right cantilever 6 is provided with a fixed pulley 7, the length of the left cantilever 5 is adjustable, and the length adjustment range of the left cantilever 5 is 1 m-2 m; the upper end of the left cantilever 5 is also rotatably provided with two support columns 8, the lengths of the two support columns 8 are adjustable, the length adjustment range of the support column 8 is 1.2 m-3.5 m, and the included angle adjustment range of the support column 8 and the left cantilever 5 is 0°-120°; the middle part of the rotating column 4 is fixed with a mounting plate 41, the mounting plate 41 is provided with a hand winch 9, the hand winch 9 is wound with a steel wire rope 91, the free end of the steel wire rope 91 is provided with a hook 92 for hooking heavy objects, and the free end of the steel wire rope 91 passes through the fixed pulleys 7 on the right cantilever 6 and the left cantilever 5 in sequence, and the hook 92 is hung below the left cantilever 5.

[0025] By providing two support columns 8 on the left cantilever 5, the length of the two support columns 8 and the included angle of the support column 8 and the left cantilever 5 can be adjusted according to the actual situation during lifting, so as to provide support for the lifting device and prevent the lifting device from falling, and the lifting operation is convenient and fast, and after the lifting is completed, the two support columns 8 are shortened and tied on the left cantilever 5 (as shown in the figure), saving space. Fig. 2

[0026] ​When the workers of the sewage treatment plant need to overhaul or replace the equipment at the bottom of the pool, the small mobile lifting device disclosed by the utility model can be used to lift the equipment at the bottom of the pool out of the bottom of the pool, when lifting, the length of the rotating column 4, the left cantilever 5 and the two supporting columns 8 is adjusted according to the actual situation, the angle between the two supporting columns 8 and the left cantilever 5 is adjusted, and the relative angle between the rotating column 4 and the fixed column 2 is adjusted through the horizontal steering wheel 3, after the adjustment is completed, the hook 92 of the free end of the steel wire rope 91 is hooked on the equipment, then the equipment is lifted out of the bottom of the pool through the cooperation of the hand-operated winch 9 and the steel wire rope 91, the whole lifting process is convenient, fast, time-saving and labor-saving, the workers can lift the equipment on the ground at a safe distance from the hole for overhaul or replacement, and the safety hidden danger such as falling during the lifting of the equipment is effectively reduced.

[0027] It is worth noting that the utility model is not only suitable for the lifting operation of the small equipment (pump, mixer) of the buried sewage treatment plant (station) underwater, but also can be used for lifting small equipment in other fields.

[0028] The above-mentioned is only the embodiment of the utility model, and the specific technical scheme and / or common knowledge of the scheme are not described too much. It should be pointed out that for those skilled in the art, without departing from the technical scheme of the utility model, a number of deformations and improvements can be made, which should also be considered as the protection range of the utility model, and these will not affect the effect and practicality of the utility model. The protection range of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A small mobile lifting device, characterized in that: Includes a movable base, on which is provided a Y-shaped lifting frame. The Y-shaped lifting frame includes a fixed column (2) connected to the base, and a rotating column (4) rotatably connected to the top of the fixed column (2). The length of the rotating column (4) is adjustable. The top of the rotating column (4) is provided with a left cantilever (5) and a right cantilever (6). The tops of both the left and right cantilever (5) are provided with fixed pulleys (7). The length of the left cantilever (5) is adjustable, and the upper end of the left cantilever (5) is provided with two... The length of the support column (8) and the angle between the support column (8) and the left cantilever (5) are adjustable; a hand-cranked winch (9) is provided on the rotating column (4), and a steel wire rope (91) is wound and fixed on the hand-cranked winch (9). The free end of the steel wire rope (91) is provided with a hook (92). The free end of the steel wire rope (91) passes through the fixed pulleys (7) on the right cantilever (6) and the left cantilever (5) in sequence. The hook (92) hangs below the left cantilever (5).

2. The small mobile lifting device according to claim 1, characterized in that: A horizontal steering wheel (3) is provided between the fixed column (2) and the rotating column (4), and the horizontal steering wheel (3) can drive the rotating column (4) to rotate.

3. The small mobile lifting device according to claim 1, characterized in that: The height adjustment range of the Y-shaped lifting frame is 1.5m to 3m.

4. A small mobile lifting device according to claim 1, characterized in that: The length adjustment range of the left cantilever (5) is 1m to 2m.

5. A small mobile lifting device according to claim 1, characterized in that: The length adjustment range of the two support columns (8) is 1.2m to 3.5m, and the angle adjustment range between the support column (8) and the left cantilever (5) is 0° to 120°.

6. A small mobile lifting device according to any one of claims 1 to 5, characterized in that: The base includes a support plate (1), and the bottom of the support plate (1) is provided with multiple universal wheels (11) with brakes. The support plate (1) is a square plate with a side length of 50±5cm, and a Y-shaped lifting frame is set in the center of the support plate (1).

7. A small mobile lifting device according to claim 6, characterized in that: A reinforcing rib (12) is provided between the fixed column (2) and the supporting plate.

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