CN211470691U - a hoisting device - Google Patents

Abstract

The utility model belongs to the technical field of construction engineering machinery, and discloses a hoisting device. The hoisting device includes: a fixing mechanism, which is arranged on the inner side of the wall; a cantilever assembly, which is rotatably arranged on the fixing mechanism; a moving part, which is arranged on the cantilever assembly, and the moving part is in rolling fit with the cantilever assembly; a working platform, which is arranged on the The bottom of the moving part; the moving driving assembly, which is arranged on the cantilever assembly, the moving driving assembly is drivingly connected to the moving part, and the moving driving assembly is configured to drive the moving part to move relative to the cantilever assembly, so that the working platform moves closer to or away from the fixed mechanism. direction to move. The use of hoisting device for high-altitude maintenance operations can realize easy displacement of the work platform, easy installation and use, safety and reliability, and strong applicability.

Description

a hoisting device

technical field

The utility model relates to the technical field of construction engineering machinery, in particular to a hoisting device.

Background technique

With the development of the economy, after a period of vigorous development, a large number of old buildings have emerged that need to use aerial work equipment for renovation and maintenance.

Because the maintenance of the façade was not considered at the beginning of the architectural design, the façade was completely covered by the curtain wall, the work platform could not be installed close to the work surface, and the roof had been installed with equipment such as water tanks and air conditioners, which made the obstacle situation more complicated. The installation and disassembly of the special hoisting device for the roof of the aerial work equipment cause great difficulties.

Utility model content

The purpose of the utility model is to provide a hoisting device for high-altitude maintenance operations, which is convenient to install and use, safe and reliable, and has strong applicability.

For this purpose, the utility model adopts the following technical solutions:

A hoisting device, comprising:

a fixing mechanism, which is arranged on the inner side of the wall;

a cantilever assembly, which is rotatably arranged on the fixing mechanism;

a moving part, which is arranged on the cantilever assembly, and the moving part is in rolling fit with the cantilever assembly;

a work platform, which is arranged at the bottom of the moving part;

a moving drive assembly, which is disposed on the cantilever assembly, the moving drive assembly is drivingly connected to the moving member, and the moving driving assembly is configured to drive the moving member to move relative to the cantilever assembly, so that the The work platform moves toward or away from the fixing mechanism.

Preferably, the mobile drive assembly includes:

a reel, which is arranged on the cantilever assembly;

a first guide wheel, which is rotatably arranged on one side of the cantilever assembly;

a second guide wheel, which is rotatably arranged on the other side of the cantilever assembly;

The rope is wound on the reel, and the rope is connected to both ends of the moving member and is respectively tensioned and wound on the first guide wheel and the second guide wheel.

Preferably, a first roller is rotatably arranged at the bottom of the moving member, the first roller is in rolling fit with the top surface of the cantilever assembly, and a second roller is rotatably arranged on the inner side of the moving member. The roller is in rolling fit with the side surface of the cantilever assembly.

Preferably, a rotating column is also included, the rotating column is arranged between the fixing mechanism and the cantilever assembly and passes through the cantilever assembly.

Preferably, a rotary push rod is also included, and the rotary push rod is arranged on the cantilever assembly.

Preferably, it also includes a fixing sleeve and a positioning handle, the fixing sleeve is arranged on the fixing mechanism, the rotating column is partially penetrated on the fixing sleeve, and the positioning handle passes through the rotating column and abuts against it. In the fixing sleeve, it is used for the locking of the rotating column.

Preferably, the fixing mechanism includes an interconnected fixing member and a balance arm.

Preferably, a front bracket is arranged at the bottom of the fixing member, and a rear bracket is arranged at the bottom of the balance arm, and both the front bracket and the rear bracket are arranged on the inner side of the wall.

Preferably, the fixing mechanism further includes a balance weight, and the balance weight is arranged on both sides of the balance arm.

Preferably, a limit block is provided on the cantilever assembly for limiting the position of the moving member.

The beneficial effects of the present utility model:

In the hoisting device provided by the utility model, after the fixing mechanism is fixed on the inner side of the wall, the cantilever assembly is rotated and arranged on the fixing mechanism, so that the cantilever assembly can be rotated and extended out of the wall, so that the cantilever assembly can be extended over a long distance. The cantilever component is in a suspended state, which solves the situation that the existing suspended part outside the building wall cannot be installed in place at one time. Then the mobile drive assembly is configured to drive the moving member to move relative to the cantilever assembly, so that the work platform moves toward or away from the fixed mechanism. Pull the work surface close to the wall, and after the work is completed, move the work platform away from the work surface and recover it. The use of hoisting device for high-altitude maintenance operations can realize easy displacement of the work platform, easy installation and use, safety and reliability, and strong applicability.

Description of drawings

Fig. 1 is the structural representation of the hoisting device of the present utility model from a perspective;

FIG. 2 is a schematic structural diagram of the hoisting device of the present invention from another perspective.

In the picture:

1. Fixed mechanism; 2. Cantilever assembly; 3. Moving parts; 4. Working platform; 5. Mobile drive assembly; 6. Rotating column; 7. Rotating push rod; 8. Fixed sleeve; 9. Positioning handle; 10. Limit bit block;

11. Fixing parts; 12. Balance arm; 13. Front bracket; 14. Rear bracket; 15. Balance weight;

21. Connector; 22. Boom;

31. The first roller; 32. The second roller;

51, reel; 52, first guide wheel; 53, second guide wheel; 54, rope.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only Some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or a fixed connection. It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The technical solutions of the present utility model will be further described below with reference to the accompanying drawings and through specific embodiments.

This embodiment provides a hoisting device, which is suitable for the field of aerial work. As shown in Figure 1-2, the hoisting device includes: a fixing mechanism 1, a cantilever assembly 2, a moving part 3, a working platform 4 and a moving drive assembly 5. The fixing mechanism 1 is arranged on the inner side of the wall, which plays an integral role in fixing and supporting Among them, the wall specifically refers to the parapet, which is the low wall around the roof of the building. In addition to maintaining safety, the main function is to apply waterproof pressure bricks at the bottom to avoid water seepage in the waterproof layer, or It's the roof flooding. A cantilever assembly 2 is rotatably disposed on the fixing mechanism 1, so that the cantilever assembly 2 can pass through the wall to protrude out of the wall. A movable member 3 and a movable driving assembly 5 are arranged on the cantilever assembly 2. The movable member 3 is in rolling fit with the cantilever assembly 2, and a work platform 4 is connected to the bottom of the mobile member 3 through a wire rope, which is used for the suspension of the work platform 4. The work platform 4 is a cage structure, and the working platform 4 can accommodate operators and working tools to maintain the outer side of the wall. The moving drive assembly 5 is drive-connected to the moving member 3 , and is configured to drive the moving member 3 to move relative to the boom assembly 2 , so that the working platform 4 moves toward or away from the fixed mechanism 1 .

In the hoisting device provided in this embodiment, after the fixing mechanism 1 is fixed on the inner side of the wall, the cantilever assembly 2 is rotated and arranged on the fixing mechanism 1, so that the cantilever assembly 2 can be rotated and extended out of the wall to realize the cantilever assembly. 2 can be extended over a long distance, and the cantilever assembly 2 is in a suspended state, which solves the situation that the existing suspended parts outside the building wall cannot be installed in place at one time. The moving drive assembly 5 is configured to drive the moving member 3 to move relative to the cantilever assembly 2, so that the working platform 4 moves toward or away from the fixed mechanism 1, and under the driving action of the moving drive assembly 5, the working platform 4 is moved from the super The long-distance ground is pulled close to the working surface of the wall by the moving member 3. After the work is completed, the working platform 4 is moved away from the working surface and recovered. The use of a hoisting device for high-altitude maintenance operations can realize the easy displacement of the work platform 4, which is easy to install and use, safe and reliable, and has strong applicability.

Further, as shown in FIGS. 1-2 , the fixing mechanism 1 includes a fixing member 11 and a balance arm 12 that are connected to each other. The fixing member 11 is used to carry the cantilever assembly 2 , and the length of the balance arm 12 is relatively long, which plays a balancing effect. Optionally, a front bracket 13 is arranged at the bottom of the fixing member 11, and a rear bracket 14 is arranged at the bottom of the balance arm 12. Both the front bracket 13 and the rear bracket 14 are arranged on the inner side of the wall, so as to realize the fixing mechanism 1 on the wall. Fixation and installation inside the body.

If the weight of the working platform 4 is relatively heavy, the fixing member 11 is located in the middle, which acts as a fulcrum. According to the principle of leverage, there will be an offset situation at this time. In order to ensure the stability of the working platform 4, the fixing mechanism 1 also includes a balance device. The weight 15, the balance weight 15 is arranged on both sides of the balance arm 12, the balance weight 15 plays a role of balance, avoids shaking during the movement of the working platform 4, has good stability and a high safety factor.

In order to realize that the cantilever assembly 2 can be rotated relative to the fixing mechanism 1 , the hoisting device further includes a rotating column 6 , which is arranged between the fixing mechanism 1 and the cantilever assembly 2 and passes through the cantilever assembly 2 . Optionally, the cantilever assembly 2 can be rotated relative to the rotating column 6 to realize the screwing in and out of the cantilever assembly 2 . In this way, when the cantilever assembly 2 is screwed into the inside of the wall, it plays the role of folding the hoisting device for easy storage. When the cantilever assembly 2 is screwed into the outside of the wall, the moving part 3 and the working platform 4 can be The work surface suspended to the outer wall.

In order to facilitate the rotation of the cantilever assembly 2 , the hoisting device further includes a rotary push rod 7 , and the rotary push rod 7 is arranged on the cantilever assembly 2 . The operator can drive the cantilever assembly 2 to rotate by rotating the push rod 7, which is convenient for the operator to operate, safe and reliable. Optionally, the number of the rotary push rods 7 is two, and the two rotary push rods 7 are symmetrically arranged on both sides of the cantilever assembly 2 , so that the cantilever assembly 2 can be rotated to both sides.

Since the cantilever assembly 2 rotates around the rotating column 6, when the cantilever assembly 2 is rotated in place, it needs to be locked in position. The hoisting device further includes a fixing sleeve 8 and a positioning handle 9. The fixing sleeve 8 is arranged on the fixing mechanism 1. Optionally, the fixing sleeve 8 is disposed on the fixing member 11 of the fixing mechanism 1 by welding, and the rotating column 6 is partially penetrated on the fixing sleeve 8 .

Optionally, a rigid connection can be adopted between the rotating column 6 and the cantilever assembly 2, and the rotating column 6 can be rotated in the fixed sleeve 8, so that the cantilever assembly 2 is rotated relative to the fixing mechanism 1. When the cantilever assembly 2 is rotated in place, , the positioning handle 9 passes through the rotating column 6 and abuts on the fixed sleeve 8 for locking the rotating column 6 . If the cantilever assembly 2 needs to be rotated, the positioning handle 9 can be rotated in the opposite direction to release the locking of the rotating column 6 , so as to facilitate the rotation of the cantilever assembly 2 .

Further, the cantilever assembly 2 includes a connecting piece 21 and a hanging arm 22, the rotating column 6 is penetrated through the connecting piece 21, and the connecting piece 21 is respectively connected to the rotating column 6 and the hanging arm 22. The member 21 can be rotated relative to the fixing mechanism 1 , and the boom 22 is used to carry the moving member 3 . The length of the boom 22 is relatively long, which provides sufficient moving space for the moving member 3 and increases the working range of the working platform 4 .

Further, the moving drive assembly 5 includes: a reel 51 , a first guide wheel 52 , a second guide wheel 53 and a rope 54 . The ropes 54 are connected to both ends of the moving member 3 and play the role of pulling the moving member 3 . A first guide wheel 52 is rotatably arranged on one side of the cantilever assembly 2 , and a second guide wheel 53 is rotatably arranged on the other side of the cantilever assembly 2 , and the rope 54 is tensioned and wound around the first guide wheel 52 and the second guide wheel 53, the first guide wheel 52 and the second guide wheel 53 play the role of driving power guide, and the rope 54 runs over the top surface, bottom surface and side surface of the cantilever assembly 2, realizing the bidirectional movement of the moving part 3, and the pulling effect is good.

It can be understood that the operator can manually rotate the reel 51 to rewind the left rope 54 connected to the moving part 3 and unwind the right rope 54 connected to the moving part 3. At this time, the moving part 3 can be Move to the left, that is, move closer to the fixing mechanism 1 . On the contrary, the operator can manually and manually rotate the reel 51 in the reverse direction, so that the right rope 54 connected to the moving part 3 can be reeled, and the left rope 54 connected to the moving part 3 can be unwound. To move to the right, that is, to move away from the fixing mechanism 1 .

Optionally, the moving part 3 is specifically a trolley. In order to ensure the smooth movement of the moving part 3 relative to the cantilever assembly 2 , a first roller 31 is rotatably provided at the bottom of the moving part 3 , and the first roller 31 is connected to the top of the cantilever assembly 2 . The inner side of the moving member 3 is rotatably provided with a second roller 32 , and the second roller 32 is in a rolling fit with the side surface of the cantilever assembly 2 . By adopting rolling fit between the first roller 31 and the cantilever assembly 2 and between the second roller 32 and the cantilever assembly 2 , the frictional force during the moving process is reduced, and the moving effect is good.

It can be expected that, in order to prevent the moving member 3 from slipping out of the cantilever assembly 2, a limiting block 10 is provided on the cantilever assembly 2 to limit the moving member 3 and prevent the moving member 3 from disengaging.

In the description herein, it should be understood that the terms "upper", "lower", "right", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of description and simplified operation, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

In the description of this specification, reference to the description of the terms "an embodiment", "example" etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

In addition, the above are only the preferred embodiments of the present invention and the applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made to those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present utility model has been described in detail through the above embodiments, the present utility model is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present utility model. Rather, the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. a hoisting device, is characterized in that, comprises: a fixing mechanism (1), which is arranged on the inner side of the wall; a cantilever assembly (2), which is rotatably arranged on the fixing mechanism (1); a moving member (3), which is arranged on the cantilever assembly (2), and the moving member (3) is in rolling fit with the cantilever assembly (2); a working platform (4), which is arranged at the bottom of the moving part (3); A moving drive assembly (5), which is arranged on the cantilever assembly (2), the moving drive assembly (5) is drivingly connected to the moving member (3), and the moving drive assembly (5) is configured to drive The moving member (3) moves relative to the boom assembly (2), so that the working platform (4) moves toward or away from the fixing mechanism (1). 2. The hoisting device according to claim 1, wherein the mobile drive assembly (5) comprises: a reel (51), which is arranged on the cantilever assembly (2); a first guide wheel (52), which is rotatably arranged on one side of the cantilever assembly (2); a second guide wheel (53), which is rotatably arranged on the other side of the cantilever assembly (2); A rope (54) is wound on the reel (51), the rope (54) is connected to both ends of the moving member (3) and is respectively tensioned and wound around the first guide wheel (52) ) and the second guide wheel (53). 3 . The hoisting device according to claim 1 , wherein a first roller ( 31 ) is rotatably provided at the bottom of the moving member ( 3 ), and the first roller ( 31 ) is connected to the cantilever assembly ( 3 . 2), a second roller (32) is rotatably arranged on the inner side of the moving member (3), and the second roller (32) is in a rolling fit with the side surface of the cantilever assembly (2). 4. The hoisting device according to claim 1, further comprising a rotating column (6), the rotating column (6) being arranged between the fixing mechanism (1) and the cantilever assembly (2) and pass through the cantilever assembly (2). 5 . The hoisting device according to claim 4 , further comprising a rotary push rod ( 7 ), and the rotary push rod ( 7 ) is arranged on the cantilever assembly ( 2 ). 6 . 6. The hoisting device according to claim 4, characterized in that it further comprises a fixing sleeve (8) and a positioning handle (9), the fixing sleeve (8) being arranged on the fixing mechanism (1), the The rotating column (6) is partially penetrated on the fixing sleeve (8), and the positioning handle (9) passes through the rotating column (6) and abuts against the fixing sleeve (8), for the Locking of the swivel column (6). 7. The hoisting device according to claim 1, wherein the fixing mechanism (1) comprises a fixing member (11) and a balance arm (12) which are connected to each other. 8. The hoisting device according to claim 7, characterized in that a front bracket (13) is arranged at the bottom of the fixing member (11), and a rear bracket (14) is arranged at the bottom of the balance arm (12). ), the front bracket (13) and the rear bracket (14) are both arranged on the inner side of the wall. 9 . The hoisting device according to claim 7 , wherein the fixing mechanism ( 1 ) further comprises a balance weight ( 15 ), and the balance weight ( 15 ) is arranged on the side of the balance arm ( 12 ). 10 . both sides. 10. The hoisting device according to claim 1, characterized in that, a limiting block (10) is provided on the cantilever assembly (2) for limiting the position of the moving member (3).

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