CN223866238U - Small-size portable hoisting accessory - Google Patents

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, wherein 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, the length of the rotating column is telescopically adjustable, 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 is telescopically adjustable, two support columns are arranged at the upper end of the left cantilever, the length of the support columns and the included angle between the support columns 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, the free end of the steel wire rope is provided with a lifting hook, the free end of the steel wire rope sequentially passes through the fixed pulleys on the right cantilever and the left cantilever in a transition mode, and the lifting hook is suspended below the left cantilever, so that the problem that equipment maintenance is time-consuming and labor-consuming is solved, and workers can hoist the equipment at a certain safe distance from the ground.

Description

Small-size portable hoisting accessory

Technical Field

The utility model belongs to the technical field of hoisting equipment, and particularly relates to a small movable hoisting device.

Background

At present, part of sewage treatment plants (stations) adopt buried sewage treatment devices, because the surrounding environments of equipment such as a submersible pump, a submersible mixer and the like can not be provided with fixed lifting devices, when the equipment is overhauled or replaced, workers are required to drop the bottom of a pool, or equipment chains are manually lifted to pull the equipment chains out of the bottom of the pool, so that the maintenance and replacement operation of the equipment are difficult, time and labor are wasted, and potential safety hazards such as equipment falling exist in the lifting process.

Disclosure of utility model

The utility model aims to provide a small movable lifting device, which solves the problem that the maintenance and replacement of equipment are time-consuming and labor-consuming, and enables workers to lift the equipment for maintenance or replacement at a certain safe distance from the ground to an opening.

In order to solve the technical problems, the utility model provides the following technical scheme:

A small-sized mobile lifting device comprises a movable base, wherein a Y-shaped lifting frame is arranged on the base, the Y-shaped lifting frame comprises a fixed column connected with the base, the top end of the fixed column is rotatably connected with a rotating column, the length of the rotating column is telescopically adjustable, 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 is telescopically adjustable, two support columns are arranged at the upper end of the left cantilever, the length of each support column and the included angle between each 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, the free end of the steel wire rope is provided with a lifting hook, the free end of the steel wire rope sequentially passes through the fixed pulleys on the right cantilever and the left cantilever to be transited, and the lifting hook is hung below the left cantilever.

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.

Further, the height adjustment range of the Y-shaped lifting frame is 1.5-3 m.

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

Further, the length adjustment range of the two support columns is 1.2 m-3.5 m, and the included angle adjustment range of the support columns and the left cantilever is 0-120 degrees.

Further, the base includes the backup pad, and the bottom of backup pad is equipped with a plurality of universal wheels of taking the stopper, and the backup pad is 50 + -5 cm's square board for the limit length, and Y type plays the gallows setting in the center of backup pad.

Further, a reinforcing rib plate is arranged between the fixed column and the support flat plate.

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

1. the universal wheels with the brakes are arranged on the base, so that the lifting device can be moved conveniently, and when the lifting device performs lifting operation, the brakes can limit the rotation of the universal wheels so as to fix the position of the lifting device;

2. Through set up horizontal steering wheel between fixed column and column spinner to and the scalable regulation of length of column spinner for hoisting accessory can adapt to different lifting by crane angle and lifting by crane the height.

3. Through setting up two support columns on left cantilever, when lifting by crane, can adjust the length of two support columns according to actual conditions to and the contained angle of support column and left cantilever, provide holding power for hoisting accessory, prevent hoisting accessory and empty, and need not additionally to add the counter weight when lifting by crane the heavy object, after lifting by crane, two support columns can shorten and fold up the ligature on left cantilever, save space.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic diagram of a folded state of the support column according to the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

Reference numerals in the drawings of the specification include:

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

Examples

As shown in figures 1-2, the small movable lifting device comprises a movable base, wherein the base comprises a supporting plate 1, a plurality of universal wheels 11 with brakes are arranged at the bottom of the supporting plate 1, the supporting plate 1 is a square plate with the side length of 50+/-5 cm, a Y-shaped lifting frame is arranged at the center of the supporting plate 1, the lifting device can be conveniently moved by arranging the universal wheels 11 with the brakes on the base, and when the lifting device performs lifting operation, the brakes can limit the rotation of the universal wheels 11 to fix the position of the lifting device, and the supporting plate 1 is small in size, small in occupied space and suitable for heavy object lifting operation in a narrow space.

As shown in fig. 1-2, the Y-shaped lifting frame comprises a fixed column 2 fixed at the center of a supporting plate 1, a reinforcing rib plate 12 is welded between the fixed column 2 and the supporting plate 1, 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, a lifting device can adapt to lifting angles of different weights, the length of the rotating column 4 can be adjusted in a telescopic manner, the lifting device can adapt to lifting heights of different weights, and the height adjusting range of the Y-shaped lifting frame is 1.5-3 m.

As shown in fig. 1-2, a left cantilever 5 and a right cantilever 6 are fixed at the top end of a rotating column 4, fixed pulleys 7 are respectively arranged at the top ends of the left cantilever 5 and the right cantilever 6, the length of the left cantilever 5 is telescopically adjustable, the length adjusting range of a left rotating arm is 1-2 m, two support columns 8 are rotatably arranged at the upper end of the left cantilever 5, the length adjusting range of the two support columns 8 is 1.2-3.5 m, the included angle adjusting range of the support columns 8 and the left cantilever 5 is 0-120 degrees, a mounting plate 41 is fixed at the middle part of the rotating column 4, a hand winch 9 is arranged on the mounting plate 41, a steel wire rope 91 is fixedly wound on the hand winch 9, a lifting hook 92 for hooking a weight is arranged at the free end of the steel wire rope 91, the free end of the steel wire rope 91 sequentially transits through the fixed pulleys 7 on the right cantilever 6 and the left cantilever 5, and the lifting hook 92 hangs below the left cantilever 5.

Through setting up two support columns 8 on left cantilever 5, when lifting by crane, can adjust the length of two support columns 8 to and the contained angle of support column 8 and left cantilever 5 according to actual conditions, provide holding power for hoisting accessory, prevent that hoisting accessory from empting, need not additionally to add the counter weight when lifting by crane the heavy object, lift by crane convenient operation is swift, lifts by crane after ending, shortens two support columns 8 and fold up the ligature on left cantilever 5 (as shown in fig. 2), saves space.

When a worker of a sewage treatment plant needs to overhaul or replace equipment at the bottom of the tank, the small-sized mobile lifting device disclosed by the utility model can be used for lifting the equipment at the bottom of the tank out of the tank, the lengths of the rotary column 4, the left cantilever 5 and the two support columns 8 are adjusted according to actual conditions during lifting, the included angles of the two support columns 8 and the left cantilever 5 are adjusted, the relative angle between the rotary column 4 and the fixed column 2 is adjusted through the horizontal steering wheel 3, after the adjustment is finished, the lifting hook 92 at the free end of the steel wire rope 91 is hooked on the equipment, and then the equipment is lifted out of the tank through the cooperation of the hand winch 9 and the steel wire rope 91.

It is worth to say that the utility model is not only suitable for hoisting operation of underground sewage treatment plant (station) underwater small-sized equipment (pump, stirrer) and the like, but also can be used for hoisting small-sized equipment in other fields.

The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (7)

1. The small movable lifting device is characterized by comprising a movable base, wherein a Y-shaped lifting frame is arranged on the base, the Y-shaped lifting frame comprises a fixed column (2) connected with the base, the top end of the fixed column (2) is rotatably connected with a rotating column (4), the length of the rotating column (4) is telescopically adjustable, a left cantilever (5) and a right cantilever (6) are arranged at the top end of the rotating column (4), fixed pulleys (7) are arranged at the top ends of the left cantilever (5) and the right cantilever (6), the length of the left cantilever (5) is telescopically adjustable, two support columns (8) are arranged at the upper end of the left cantilever (5), the length of the support columns (8) and the included angle between the support columns (8) and the left cantilever (5) are adjustable, a hand winch (9) is arranged on the rotating column (4), a wire rope (91) is wound and fixed on the hand winch (9), the free end of the wire rope (91) is provided with a lifting hook (92), and the free end of the wire rope (91) is sequentially suspended below the left cantilever (5) through the fixed pulleys (7) on the right cantilever (6) and the left cantilever (5).

2. The small movable hoisting device according to claim 1, wherein a horizontal steering wheel (3) is arranged between the fixed column (2) and the rotary column (4), and the horizontal steering wheel (3) can drive the rotary column (4) to rotate.

3. The small mobile lifting device of claim 1, wherein the height adjustment range of the Y-shaped lifting frame is 1.5-3 m.

4. The small mobile lifting device according to claim 1, wherein the length adjustment range of the left cantilever (5) is 1-2 m.

5. The small movable hoisting device according to claim 1, wherein the length adjustment range of the two support columns (8) is 1.2 m-3.5 m, and the included angle adjustment range of the support columns (8) and the left cantilever (5) is 0-120 degrees.

6. The small-sized mobile lifting device according to any one of claims 1-5, wherein the base comprises a supporting plate (1), a plurality of universal wheels (11) with brakes are arranged at the bottom of the supporting plate (1), the supporting plate (1) is a square plate with the side length of 50+/-5 cm, and the Y-shaped lifting frame is arranged at the center of the supporting plate (1).

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