Combined lifting appliance suitable for lifting wind power towers of multiple specifications

Abstract

The utility model provides a combined lifting appliance suitable for lifting wind power tower drums of multiple specifications, which relates to the technical field of lifting appliances for wind power tower drums and comprises a frame body, and sliding grooves are respectively arranged on the front outer surface and the rear outer surface of the frame body. In the use process, through matched use of the frame body, the lifting lugs, the reinforcing blocks, the sliding grooves, the fixing holes, the fixing blocks and the adjusting assemblies, the two sets of switching blocks slide in the two sliding grooves through the multiple sliding blocks, after the positions of the two sets of switching blocks in the multiple fixing holes are adjusted, the two sets of switching blocks are matched with the multiple fixing holes in the frame body at will, and after the two shaft pins are inserted and fixed, the two sets of switching blocks are matched with the adjusting assemblies at will. According to the combined lifting appliance, the two crawler cranes are matched with each other to realize the overturning operation of the wind power tower drum, so that the situation that the lifting appliance needs to be replaced when the lifting and overturning operation of the wind power tower drum with different specifications and sizes is carried out is avoided, the replacement time is prolonged, and the mounting efficiency of the wind power tower drum is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power tower hoists, in particular to a combined hoist suitable for hoisting wind power towers of various specifications. Background Art

[0002] In recent years, with the transformation and upgrading of my country's energy structure, onshore and offshore wind power have developed rapidly. The number of related projects is huge, and the construction sites and environments involved are diverse and complex. The wind turbine tower is an important component structure of the wind turbine unit, which is welded by integral forged flanges at both ends and a cylinder rolled from steel plates in the middle.

[0003] In the prior art, the tower manufacturing process is generally horizontal, that is, the cylinder is placed in a horizontal position, and the welding between the cylinders and the welding between the cylinder and the flange are all carried out on a roller frame. The wind turbine tower is generally composed of three to five sections, and each section is connected by a flange. There are many electrical equipment installed on the bottom section of the tower. During the tower manufacturing process, the bottom section of the tower needs to be flipped from a horizontal position to a vertical position to facilitate the installation and transportation of electrical equipment. However, most of the existing tower hoists are single-purpose hoists, which can only hoist towers of fixed specifications and sizes. When hoisting and flipping towers of different specifications and sizes, the hoist must be replaced, which increases the replacement time and affects the installation efficiency of the wind turbine tower. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that most of the existing tower hoists in the prior art are single-purpose hoists and can only hoist towers of fixed specifications and sizes. When hoisting and turning towers of different specifications and sizes, the hoist must be replaced, which increases the replacement time and affects the installation efficiency of the wind turbine tower. A combined hoist suitable for hoisting wind turbine towers of multiple specifications is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a combined hoist suitable for hoisting wind turbine towers of various specifications, comprising: a frame body, the front and rear outer surfaces of the frame body are respectively provided with slide grooves, and the front surface of the frame body is equidistantly penetrated with a plurality of fixing holes; an adjusting component, the adjusting component is provided in two groups, and the two groups of adjusting components are symmetrically arranged on the outer surface of the frame body, the adjusting component comprises a connecting plate, the front and rear outer surfaces of the connecting plate are respectively fixedly connected with adapter blocks, the outer surfaces of the two adapter blocks are respectively fixedly connected with mounting frames, fixed shafts are respectively arranged between the inner walls of the two mounting frames, the outer surfaces of the two fixed shafts are respectively rotatably connected with pulleys, and the relative outer surfaces of the two adapter blocks are respectively fixedly connected with sliders near the top.

[0006] Preferably, a plurality of fixing blocks are equidistantly fixedly connected to the top of the frame, and a lifting ear is fixedly connected to the top of each of the plurality of fixing blocks.

[0007] Preferably, reinforcement blocks are symmetrically arranged on the top of the frame, and inner surfaces of two reinforcement blocks are fixedly connected to the outer surface of the frame.

[0008] Preferably, the two adapter blocks match the positions of the plurality of fixing holes, and the outer surfaces of the two adapter blocks are in contact with the outer surface of the frame.

[0009] Preferably, an axle pin is matched between the inner surface walls of the two adapter blocks, and the outer surface of the axle pin is slidably connected to the inner surfaces of the plurality of fixing holes.

[0010] Preferably, the two sliders are respectively located on the inner surfaces of the two slide grooves, and the outer surfaces of the sliders are slidably connected to the inner surfaces of the slide grooves.

[0011] Preferably, a storage box is fixedly connected between the opposite outer surfaces of the two adapter blocks, and the top of the storage box is away from the bottom of the connecting plate.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, when in use, through the coordinated use of the frame, lifting ears, reinforcement blocks, slide grooves, fixing holes, fixing blocks and adjustment components, two sets of adapter blocks slide in two slide grooves through multiple sliders, and after adjusting the positions of the two sets of adapter blocks on the multiple fixing holes, they can be arbitrarily matched with the multiple fixing holes on the frame. After the two axle pins are inserted and fixed, they play an adjustment role, realizing the lifting operation of wind turbine towers of different specifications and sizes, and using the combined lifting device, two crawler cranes can cooperate with each other to realize the flipping operation of the wind turbine tower, avoiding the need to replace the lifting device when facing the lifting and flipping operations of towers of different specifications and sizes, which increases the replacement time and improves the installation efficiency of the wind turbine tower.

[0014] 2. In the utility model, when in use, two storage boxes are fixedly arranged between the relative outer surfaces of the two sets of adapter blocks, and the internal space thereof is relatively large, and fasteners used for installation can be stored, thereby facilitating the installation and use of the combined hoisting device for hoisting wind turbine towers of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a combined hoisting device suitable for hoisting wind power towers of various specifications is proposed for the utility model;

[0016] Figure 2 The utility model proposes a schematic diagram of the structure of an adjustment component of a combined hoist suitable for hoisting wind power towers of various specifications;

[0017] Figure 3 A bottom view of a combined hoist suitable for hoisting wind power towers of various specifications is proposed for the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of the frame structure of a combined hoist suitable for hoisting wind power towers of various specifications.

[0019] Legend: 1. Frame; 2. Lifting ear; 3. Reinforcement block; 4. Slide groove; 5. Fixing hole; 6. Adjustment assembly; 601. Connecting plate; 602. Adapter block; 603. Axle pin; 604. Slider; 605. Mounting frame; 606. Fixed shaft; 607. Pulley; 608. Storage box; 7. Fixing block. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a combined hoist suitable for hoisting wind power towers of various specifications, including: a frame body 1, wherein the front and rear outer surfaces of the frame body 1 are respectively provided with slide grooves 4, and the front surface of the frame body 1 is equidistantly penetrated with a plurality of fixing holes 5; an adjusting component 6, wherein the adjusting component 6 is provided in two groups, and the two groups of adjusting components 6 are symmetrically arranged on the outer surface of the frame body 1, and the adjusting component 6 includes a connecting plate 601, wherein the front and rear outer surfaces of the connecting plate 601 are respectively fixedly connected with adapter blocks 602, and the outer surfaces of the two adapter blocks 602 are respectively fixedly connected with mounting frames 605, and fixed shafts 606 are respectively arranged between the inner surface walls of the two mounting frames 605, and the outer surfaces of the two fixed shafts 606 are respectively rotatably connected with pulleys 607, and the relative positions of the two adapter blocks 602 are Slide blocks 604 are fixedly connected to the positions near the top of the outer surface, and multiple fixed blocks 7 are equidistantly fixedly connected to the top of the frame 1. The tops of the multiple fixed blocks 7 are respectively fixedly connected with ears 2. Reinforcement blocks 3 are symmetrically arranged on the top of the frame 1, and the inner surfaces of the two reinforcement blocks 3 are fixedly connected to the outer surface of the frame 1. The two adapter blocks 602 match the positions of the multiple fixing holes 5. The outer surfaces of the two adapter blocks 602 are fitted with the outer surface of the frame 1. An axle pin 603 is matched between the inner walls of the two adapter blocks 602. The outer surface of the axle pin 603 is slidably connected to the inner surfaces of the multiple fixing holes 5. The two slide blocks 604 are respectively located on the inner surfaces of the two slide grooves 4, and the outer surface of the slide block 604 is slidably connected to the inner surface of the slide groove 4.

[0023] The effect achieved by the entire embodiment 1 is that, during the wind turbine tower hoisting operation, the crawler crane driver operates the crawler crane and suspends the combined hoisting device on the crawler crane hook through the lifting ears 2 fixedly connected above the multiple fixing blocks 7 for use. The outer surfaces of both sides of the frame 1 are wrapped with welded and fixed reinforcement blocks 3, which increases the overall strength. The multiple adapter blocks 602 are respectively fixedly connected through two connecting plates 601, so that the multiple sliders 604 are respectively limited in the two slide grooves 4, the two axle pins 603 are pulled out, and the two groups of multiple adapter blocks 602 are pushed to make them move toward or oppositely along the slide grooves 4. After adjusting the positions of the two groups of adapter blocks 602 on the multiple fixing holes 5, The multiple fixing holes 5 on the frame 1 can be matched arbitrarily, and the two axle pins 603 are inserted in turn between the corresponding fixing holes 5 and the adapter block 602 for fixing, which plays an adjusting role. The tower lifting rope passes through the multiple mounting frames 605 in turn, so that it is wrapped around the surface of multiple pulleys 607, and through multiple fixed shafts 606, the pulley 607 can be rotated, which is convenient for the sliding adjustment of the lifting rope to realize the lifting operation of wind turbine towers of different specifications and sizes, and the two crawler cranes of the combined lifting device cooperate with each other to realize the flipping operation of the wind turbine tower, avoiding the need to replace the lifting device when facing the lifting and flipping operations of towers of different specifications and sizes, which increases the replacement time and improves the installation efficiency of the wind turbine tower.

[0024] Embodiment 2, as Figure 1-Figure 4 As shown, a storage box 608 is fixedly connected between the opposite outer surfaces of the two adapter blocks 602 , and the top of the storage box 608 is away from the bottom of the connecting plate 601 .

[0025] The effect achieved by the entire embodiment 2 is that, when in use, two storage boxes 608 are fixedly arranged between the relative outer surfaces of the two sets of adapter blocks 602, and the internal space is large enough to accommodate fasteners used for installation, thereby facilitating the installation and use of combined hoists for hoisting wind turbine towers of various specifications.

[0026] Working principle: During the wind turbine tower hoisting operation, the crawler crane driver operates the crawler crane and suspends the combined hoisting device on the crawler crane hook through the lifting ears 2 fixedly connected above the multiple fixing blocks 7. The outer surfaces of both sides of the frame 1 are wrapped with welded and fixed reinforcing blocks 3, which increases the overall strength. The multiple adapter blocks 602 are respectively fixedly connected through two connecting plates 601, so that the multiple sliders 604 are respectively limited in the two slide grooves 4, and the two axle pins 603 are pulled out, and the two groups of multiple adapter blocks 602 are pushed to move toward or oppositely along the slide grooves 4. After adjusting the positions of the two groups of adapter blocks 602 on the multiple fixing holes 5, they are arbitrarily matched with the multiple fixing holes 5 on the frame 1, and the two axle pins 603 are inserted into the corresponding fixing holes 5 and adapter blocks 60 in sequence. 2 are fixed between them, which plays an adjusting role. The tower hoisting rope passes through multiple mounting frames 605 in turn, so that it is wound around the surfaces of multiple pulleys 607, and through multiple fixed shafts 606, the pulleys 607 can be rotated, which is convenient for the sliding adjustment of the hoisting rope to realize the hoisting operation of wind turbine towers of different specifications and sizes. By using the combined hoisting device, two crawler cranes can cooperate with each other to realize the flipping operation of the wind turbine tower, avoiding the need to replace the hoisting device when facing the hoisting and flipping operations of towers of different specifications and sizes, which increases the replacement time and improves the installation efficiency of the wind turbine tower. By fixing two storage boxes 608 respectively between the relative outer surfaces of the two sets of adapter blocks 602, the internal space is large, and the fasteners used for installation can be stored, which is convenient for the installation and use of the combined hoisting device for hoisting wind turbine towers of multiple specifications.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A combined hoist suitable for hoisting wind turbine towers of various specifications, characterized in that: include: A frame body (1), wherein the front and rear outer surfaces of the frame body (1) are respectively provided with slide grooves (4), and the front surface of the frame body (1) is provided with a plurality of fixing holes (5) equidistantly extending therethrough; An adjustment component (6), wherein the adjustment component (6) is provided in two groups, and the two groups of the adjustment components (6) are symmetrically arranged on the outer surface of the frame body (1), and the adjustment component (6) comprises a connecting plate (601), and the front and rear outer surfaces of the connecting plate (601) are respectively fixedly connected to a transfer block (602), and the outer surfaces of the two transfer blocks (602) are respectively fixedly connected to a mounting frame (605), and a fixed shaft (606) is respectively arranged between the inner surface walls of the two mounting frames (605), and the outer surfaces of the two fixed shafts (606) are respectively rotatably connected to a pulley (607), and the relative outer surfaces of the two transfer blocks (602) are respectively fixedly connected to a slider (604) near the top.

2. The combined lifting device suitable for lifting wind turbine towers of various specifications according to claim 1 is characterized in that: A plurality of fixing blocks (7) are fixedly connected at equal intervals to the top of the frame (1), and a lifting ear (2) is fixedly connected to the top of each of the plurality of fixing blocks (7).

3. The combined lifting device suitable for lifting wind turbine towers of various specifications according to claim 1 is characterized in that: Reinforcement blocks (3) are symmetrically arranged on the top of the frame body (1), and the inner surfaces of the two reinforcement blocks (3) are fixedly connected to the outer surface of the frame body (1).

4. The combined lifting device suitable for lifting wind turbine towers of various specifications according to claim 1 is characterized in that: The two adapter blocks (602) match the positions of the plurality of fixing holes (5), and the outer surfaces of the two adapter blocks (602) fit the outer surface of the frame (1).

5. The combined lifting device suitable for lifting wind turbine towers of various specifications according to claim 4 is characterized in that: An axle pin (603) is matched between the inner surface walls of the two adapter blocks (602), and the outer surface of the axle pin (603) is slidably connected to the inner surfaces of the plurality of fixing holes (5).

6. The combined lifting device suitable for lifting wind turbine towers of various specifications according to claim 1 is characterized in that: The two sliding blocks (604) are respectively located on the inner surfaces of the two sliding grooves (4), and the outer surfaces of the sliding blocks (604) are slidably connected to the inner surfaces of the sliding grooves (4).

7. The combined lifting device suitable for lifting wind turbine towers of various specifications according to claim 1 is characterized in that: A storage box (608) is fixedly connected between the opposite outer surfaces of the two adapter blocks (602), and the top of the storage box (608) is away from the bottom of the connecting plate (601).

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