Lifting protection device for high-altitude maintenance of wind power tower drum

Abstract

The utility model discloses a hoisting protection device for high-altitude maintenance of a wind power tower drum, which comprises a hoisting connecting piece, a first connecting rope, a second connecting rope and a second hook, the hoisting connecting piece comprises a first connecting rope and a first hook, and the first hook is fixed at the lower end of the first connecting rope; the protection assembly comprises a hoop, an extension rod, a second connecting rope, a second hook, supporting cloth and a fixing ring, the hoop wraps the upper end of the first hook, one end of the extension rod is fixed to the side edge of the hoop, the second connecting rope is fixed to the end, away from the first hook, of the extension rod, and the second hook is fixed to the lower end of the second connecting rope; the fixing ring is fixed outside the supporting cloth, and the second hook is hung in the fixing ring. The problems that structural fatigue, corrosion, weld joint cracking and the like exist on a tower drum to be maintained and replaced, the problems can be aggravated due to stress changes in the hoisting process, local deformation and breakage of the tower drum are caused, and then safety accidents are caused by falling of the tower drum are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power tower drum maintenance technical field especially, a kind of for wind power tower drum high-altitude maintenance hoisting protection device. BACKGROUND

[0002] When wind power tower drum is installed and maintained, it is usually hoisted by tower crane, the upper end of tower drum is held by hook with wire rope, and the tower drum is hoisted by running crane.

[0003] There are problems such as structure fatigue, corrosion, weld cracking on the tower drum to be maintained and replaced, which will be exacerbated due to stress change in the lifting process, resulting in local deformation and fracture of the tower drum, and further falling to cause safety accidents. Therefore, a hoisting protection device for high-altitude maintenance of wind power tower drum is needed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a hoisting protection device for high-altitude maintenance of wind power tower drum to solve the problems of structure fatigue, corrosion, weld cracking on the tower drum to be maintained and replaced, which will be exacerbated due to stress change in the lifting process, resulting in local deformation and fracture of the tower drum, and further falling to cause safety accidents.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a hoisting protection device for high-altitude maintenance of wind power tower drum, comprising:

[0007] The hoisting connecting piece comprises a first connecting rope and a first hook, and the first hook is fixed to the lower end of the first connecting rope.

[0008] The protection assembly comprises an extension rod, a second connecting rope, a second hook and a supporting cloth, one end of the extension rod is fixed to the upper end side of the first hook, the second connecting rope is fixed to the end of the extension rod away from the first hook, the second hook is fixed to the lower end of the second connecting rope, and the supporting cloth is hung on the second hook.

[0009] Further, the protection assembly further comprises a hoop and a fixing ring, the hoop is wrapped around the upper end of the first hook, and the side edge is fixed to one end of the extension rod, the fixing ring is fixed to the outer edge of the supporting cloth, and the second hook is hung in the fixing ring.

[0010] Further, the first hook is hung on the upper end of the wind power tower drum, and the supporting cloth is located at the lower end of the wind power tower drum.

[0011] Further, the hoisting connecting piece further comprises an electric hoist and a connecting disc, the connecting disc is hung on the lower end of the electric hoist, and the upper end of the first connecting rope is fixed to the lower end of the connecting disc.

[0012] Further, the quick release assembly further comprises a limiting rod, which is movably connected to the upper segment of the connecting rod and located at the lower end of the telescopic clamping block.

[0013] Further, the quick release assembly further comprises a limiting rod, which is movably connected to the upper segment of the connecting rod and located at the lower end of the telescopic clamping block.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] First, the utility model discloses a protection assembly, which is used for fixing the extension rod to the side edge of the first hook through a hoop, wherein the second hooks at the lower ends of the two adjacent second connecting ropes are always hung on the fixed rings of the supporting cloth, the first hook is hung on the upper end of the tower drum, the tower crane is operated to lift the tower drum, the second hooks at the lower ends of the other two second connecting ropes are hung on the other two fixed rings of the supporting cloth, and the supporting cloth is located directly below the tower drum.

[0016] Second, the utility model discloses a quick release assembly, which is used for pressing the telescopic clamping block and pulling down the connecting rod after maintenance, moving the connecting rod out of the through hole, and quickly disassembling the second connecting rope and the supporting cloth to improve the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used for the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole structure schematic diagram of the utility model; Figure 1 It is the enlarged view of A in the middle;

[0020] Figure 3 It is the enlarged view of B in the middle. Figure 1

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] ​10, electric hoist; 11, connecting disc; 12, first connecting rope; 13, first hook; 20, hoop; 21, extension rod; 22, second connecting rope; 23, second hook; 24, supporting cloth; 25, fixing ring; 30, through hole; 31, connecting rod; 32, limiting rod; 33, telescopic clamping block. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0024] In the following description, a lot of specific details are set forth in order to give a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0026] Please refer to Figures 1-3 The embodiment is a hoisting protection device for high-altitude maintenance of a wind power tower, which comprises:

[0027] The hoisting connecting piece comprises the first connecting rope 12 and the first hook 13, and the first hook 13 is fixed to the lower end of the first connecting rope 12.

[0028] The hoisting connecting piece further comprises the electric hoist 10 and the connecting disc 11, the connecting disc 11 is hung to the lower end of the electric hoist 10, and the upper end of the first connecting rope 12 is fixed to the lower end of the connecting disc 11.

[0029] The first hook 13 is hung to the upper end of the wind power tower.

[0030] The electric hoist 10 is used for lifting the wind power tower, the connecting disc 11 plays a connecting role, the first connecting rope 12 has four, which are used for connecting the wind power tower and ensuring the stability during movement, and the first hook 13 plays a connecting role.

[0031] The protection assembly comprises the extension rod 21, the second connecting rope 22, the second hook 23 and the supporting cloth 24, one end of the extension rod 21 is fixed to the side edge of the upper end of the first hook 13, the second connecting rope 22 is fixed to the end of the extension rod 21 away from the first hook 13, the second hook 23 is fixed to the lower end of the second connecting rope 22, and the supporting cloth 24 is hung to the second hook 23.

[0032] The protection assembly further comprises a hoop 20 and a fixing ring 25, the hoop 20 is wrapped on the upper end of the first hook 13 and is fixed on one end of the extension rod 21, the fixing ring 25 is fixed on the outer edge of the supporting cloth 24, and the second hook 23 is hung in the fixing ring 25;

[0033] The supporting cloth 24 is located at the lower end of the wind power tower drum;

[0034] The hoop 20 plays a connecting role, the extension rod 21 plays a connecting role, the second connecting rope 22 and the second hook 23 play a connecting role, the supporting cloth 24 plays a supporting role, and the fixing ring 25 can avoid the abrasion of the supporting cloth 24.

[0035] Working principle:

[0036] The extension rod 21 is fixed on the side of the first hook 13 through the hoop 20, the second hooks 23 at the lower ends of the two adjacent second connecting ropes 22 are always hung on the fixing rings 25 of the supporting cloth 24, the first hook 13 is hung on the upper end of the tower drum, the tower crane is operated, the tower drum is lifted, the second hooks 23 at the lower ends of the other two second connecting ropes 22 are hung on the other two fixing rings 25 of the supporting cloth 24, and at this time, the supporting cloth 24 is located directly below the tower drum.

[0037] In this step, when a part falls during the hoisting of the tower drum, the supporting cloth 24 can be used to support the falling part, so that a safety accident caused by falling objects from a high altitude can be avoided.

[0038] Please refer to Figure 2 , the embodiment further comprises:

[0039] The quick release assembly comprises through holes 30, connecting rods 31 and telescopic clamping blocks 33, the through holes 30 are arranged on the end of the extension rod 21 away from the first hook 13 and are uniformly distributed, the upper end of the connecting rod 31 is inserted into the through hole 30, and the lower end of the connecting rod 31 is fixed on the second connecting rope 22, and the telescopic clamping block 33 is fixed on the top end of the connecting rod 31;

[0040] The quick release assembly further comprises a limiting rod 32, the limiting rod 32 is movably connected to the upper end of the connecting rod 31 and is located below the telescopic clamping block 33;

[0041] The through hole 30 plays a connecting role and can be connected with appropriate through holes 30 according to the size of the wind power tower drum, the connecting rod 31 plays a connecting role, the limiting rod 32 plays a limiting role, and the telescopic clamping block 33 plays a limiting role.

[0042] Working principle:

[0043] Before maintenance, press the telescopic clamping block 33, push the connecting rod 31 into the through hole 30, when the telescopic clamping block 33 extends out of the through hole 30, the limiting rod 32 is attached to the extension rod 21, and the four connecting rods 31 are sequentially installed, after maintenance, press the telescopic clamping block 33, and pull the connecting rod 31 downward, and the connecting rod 31 can be removed from the through hole 30.

[0044] This step can quickly disassemble and assemble the second connecting rope 22 and the cloth 24, and improve the maintenance efficiency.

[0045] In the description of the utility model, it also needs to be explained that, unless there is definite provision and limitation, the terms "arrange", "install", "connect" and "connect" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0046] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A hoisting protection device for wind turbine tower high-altitude maintenance, characterized in that, The utility model relates to a wind power tower maintenance device, including: a hoisting connecting piece, which comprises a first connecting rope (12) and a first hook (13), and the first hook (13) is fixed at the lower end of the first connecting rope (12); a protection assembly, which comprises an extension rod (21), a second connecting rope (22), a second hook (23) and a cloth (24), one end of the extension rod (21) is fixed at the upper side of the first hook (13), the second connecting rope (22) is fixed at the end of the extension rod (21) away from the first hook (13), the second hook (23) is fixed at the lower end of the second connecting rope (22), and the cloth (24) is hung on the second hook (23).

2. The hoisting protection device for high-altitude maintenance of a wind power tower drum according to claim 1, characterized in that, The protection assembly further comprises a hoop (20) and a fixing ring (25), the hoop (20) is wrapped around the upper end of the first hook (13), and the side is fixed at one end of the extension rod (21), the fixing ring (25) is fixed outside the cloth (24), and the second hook (23) is hung inside the fixing ring (25).

3. The hoisting protection device for high-altitude maintenance of a wind power tower drum according to claim 1, characterized in that, The first hook (13) is hung on the upper end of the wind power tower, and the cloth (24) is located at the lower end of the wind power tower.

4. The hoisting protection device for high-altitude maintenance of a wind power tower drum according to claim 1, characterized in that, The hoisting connecting piece further comprises an electric hoist (10) and a connecting disc (11), the connecting disc (11) is hung at the lower end of the electric hoist (10), and the upper end of the first connecting rope (12) is fixed at the lower end of the connecting disc (11).

5. The device for hoisting protection of wind power tower and cylinder according to claim 1, characterized in that, It further comprises a quick release assembly, which comprises a through hole (30), a connecting rod (31) and a telescopic clamping block (33), the through hole (30) is arranged at the end of the extension rod (21) away from the first hook (13), and is uniformly distributed, the upper end of the connecting rod (31) is inserted into the through hole (30), the lower end is fixed on the second connecting rope (22), and the telescopic clamping block (33) is movably connected to the top end of the connecting rod (31).

6. The device according to claim 5, characterized in that, The quick release assembly further comprises a limiting rod (32), the limiting rod (32) is fixed on the upper segment of the connecting rod (31), and is located at the lower end of the telescopic clamping block (33).

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