Hoisting equipment for maintenance of wind driven generator

Abstract

The utility model relates to the technical field of hoisting equipment, and discloses hoisting equipment for maintenance of a wind driven generator, which comprises a hoisting ring, a tightening assembly is arranged at the bottom end of the hoisting ring, four traction ropes uniformly penetrate through the tightening assembly, and the bottom ends of the traction ropes are fixedly connected with sliding columns. The multiple sliding columns are jointly sleeved with a bearing plate. Through the effect of the fixing mechanism and the elasticity of the torsion spring, the overturning plate is clamped in the limiting groove, so that the positions of the sliding columns in the guide holes are fixed, the sliding columns are prevented from sliding outwards, then the positions of the bottom ends of the multiple traction ropes are adjusted under the effect of the multiple sliding columns, and the traction ropes are prevented from sliding outwards. And the bottom ends of the traction ropes can be matched with the size of the wind driven generator part borne on the bearing plate, so that the gap between the bottom ends of the adjacent traction ropes can be adjusted, and then the possibility that the small part on the wind driven generator slips during hoisting is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, especially in wind driven generator maintenance hoisting equipment. BACKGROUND

[0002] Wind driven generator is the mechanical work that will be converted into mechanical work, mechanical work drives rotor rotation, ultimately output ac power equipment, it needs to carry out the regular overhaul to the internal equipment after erecting, need to change the large equipment components in the inside when, need to use hoisting equipment to lift the component to the high stand of wind driven generator.

[0003] Chinese patent authorized announcement no. CN215479158U discloses a kind of wind driven generator maintenance hoisting equipment, component can be positioned and clamped in vertical direction, reduce the shaking when component is hoisted to high place, guarantee stability when hoisting.But, the prior art scheme of above exists following insufficient place: the hoisting equipment utilizes the cooperation of placing plate and four traction ropes, to realize the limiting of component, but since the structure of component is not easy, when hoisting small component, the gap between the end of four traction ropes close to placing plate is larger, so that the small component needed hoisting can fall off possibly. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of wind driven generator maintenance hoisting equipment, to solve the problem that the hoisting equipment of existing wind driven generator maintenance in above background technology is easily slipped from the gap between traction rope.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wind driven generator maintenance hoisting equipment, including lifting ring, the bottom of the lifting ring is provided with tightening assembly, and four traction ropes are uniformly penetrated in the inside of tightening assembly, the bottom of the traction rope is fixedly connected with sliding column, and the outside of multiple sliding columns is collectively provided with bearing plate, the bottom of the bearing plate is provided with recess, and the inside of recess is provided with guide hole corresponding to the position of sliding column, the bottom of the sliding column is penetrated into the inside of guide hole and is equipped with limit plate, and the top surface outer edge of limit plate is in contact with the inner wall of recess, the outside of sliding column in guide hole is provided with fixed mechanism, the relative position of sliding column in guide hole is fixed using fixed mechanism, to ensure that the distribution position of four bearing plate bottom can be attached to the outer diameter of bearing component.

[0006] Preferably, the tightening assembly comprises a fixed plate fixedly installed at the bottom end of the lifting ring, and the outer edge of the bottom end of the fixed plate is uniformly provided with an electric telescopic rod, and the bottom end of the electric telescopic rod is jointly connected with a movable ring, the bottom end center of the fixed plate and one end of the traction rope are fixedly connected, and the bottom end of the traction rope penetrates through the inside of the movable ring.

[0007] Preferably, the outer diameter of the sliding column and the width of the guide hole are matched with each other, and the guide holes are distributed in an X shape without crossing on the bearing plate.

[0008] Preferably, the fixing mechanism comprises two flip plates symmetrically distributed on the outer side of the sliding column, and the opposite sides of the two flip plates are connected with torsional springs, a plurality of limiting grooves are uniformly arranged on the inner wall of the guide hole at the outer end of the flip plate, the outer end of the flip plate is inserted into the inside of the corresponding limiting groove, and the side of the stop block away from the torsional spring is provided with two symmetrically distributed stop blocks, and the side of the stop block and the outer side of the flip plate on the same side are abutted.

[0009] Preferably, the flip plates between adjacent flip plates are distributed in a V shape, one end of the flip plate close to the torsional spring is rotatably connected with the outer side of the sliding column, the limiting grooves are provided with two groups on the guide hole, and the top view cross section of the limiting groove is an acute angle triangle.

[0010] Preferably, a plurality of the traction ropes are connected with a wrapping assembly to wrap and intercept the periphery of the bearing part.

[0011] Preferably, the wrapping assembly comprises a fixed ring fixed on the traction rope, and the fixed ring is provided with four groups, and each group is provided with four, each group of the fixed ring is distributed in an equal interval on the traction rope, the outer side of the fixed ring is provided with a through hole, a plurality of through holes on the same horizontal plane are connected through a pull rope, and the two ends of the pull rope are twisted and knotted.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) through the action of the fixing mechanism, the flip plate is clamped in the limiting groove by the elasticity of the torsional spring, so that the position of the sliding column in the guide hole is fixed, the sliding column is prevented from sliding outward, and then the position of the bottom end of the plurality of traction ropes is adjusted under the action of the plurality of sliding columns, so that the bottom end of the traction rope can adapt to the size of the wind driven generator part carried on the bearing plate, the gap between the adjacent bottom ends of the traction ropes can be adjusted, and then the possibility of the small parts on the wind driven generator falling during hoisting is reduced.

[0014] (2) through the effect of the wrapping assembly, further connection between the plurality of traction ropes is carried out, and the four sides of the carried component are wrapped by the traction ropes, and the wrapping effect of the component is improved by the synchronous winding mode between the traction ropes and the through holes, thereby the limiting effect of the wind power generator component in the hoisting process is improved, and the effect of the tightening assembly is further improved to tighten the bottom end of the traction rope, thereby the wrapping property of the component is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0017] Figure 2 It is a three-dimensional structure schematic diagram of the wrapping assembly of the present application;

[0018] Figure 3 It is a three-dimensional structure schematic diagram of the guide hole distribution of the present application;

[0019] Figure 4 It is a top view sectional structure schematic diagram of the bearing plate of the present application;

[0020] Figure 5 It is a Figure 4 Structure schematic diagram of A in the middle.

[0021] Explanation of reference numerals in the drawings: 1, lifting eye; 2, tightening assembly; 21, fixed plate; 22, electric telescopic rod; 23, movable ring; 3, traction rope; 4, bearing plate; 5, guide hole; 6, sliding column; 7, fixing mechanism; 71, limiting groove; 72, torsional spring; 73, turnover plate; 74, stop block; 8, limiting plate; 9, wrapping assembly; 91, fixed ring; 92, through hole; 93, traction rope; 10, groove. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Referring to Figures 1-5 , the utility model provides a kind of hoisting equipment for wind generator maintenance, including lifting ring 1, it is characterized by: the bottom of lifting ring 1 is provided with tightening assembly 2;

[0024] Tightening assembly 2 includes fixed plate 21 fixedly installed at the bottom of lifting ring 1, and the outer edge of the bottom of fixed plate 21 is uniformly equipped with electric telescopic rod 22, and the bottom of electric telescopic rod 22 is commonly connected with movable ring 23, the bottom center of fixed plate 21 and one end of traction rope 3 are fixedly connected, and the bottom of traction rope 3 is all through the inside of movable ring 23;

[0025] Specifically, as Figure 1 , Figure 2 Indicated, use the effect of tightening assembly 2, to facilitate the tightening of the top of multiple traction ropes 3, so that the spacing between traction rope 3 can meet the size of load-bearing component;

[0026] And the inside of tightening assembly 2 is uniformly penetrated by four traction ropes 3;

[0027] Multiple traction ropes 3 are connected with wrapping assembly 9 to wrap the periphery of load-bearing component;

[0028] Wrapping assembly 9 includes fixed ring 91 fixed on traction rope 3, and fixed ring 91 is provided with four groups, and four are set in each group, and each group of fixed ring 91 is distributed on traction rope 3 in equal interval up and down, and the outside of fixed ring 91 is all equipped with through-hole 92, and multiple through-holes 92 of the same horizontal plane are connected with pull rope 93, and the two ends of pull rope 93 are twisted and knotted with each other;

[0029] Specifically, as Figure 1 , 2 And Figure 3 Indicated, use wrapping assembly 9 to further limit the spacing between traction rope 3, while preventing components from sliding from the gap;

[0030] The bottom of traction rope 3 is fixedly connected with sliding column 6;

[0031] The outer diameter of sliding column 6 and the width of guide hole 5 are mutually adapted, and guide hole 5 is distributed in X shape on bearing plate 4 without crossing;

[0032] And the outside of the plurality of sliding columns 6 is collectively sleeved with the bearing plate 4, the bottom end of the bearing plate 4 is provided with a recess 10, and the inside of the recess 10 is provided with a guide hole 5 corresponding to the position of the sliding column 6, the bottom end of the sliding column 6 penetrates into the inside of the guide hole 5 and is provided with a limiting plate 8, and the top end surface of the limiting plate 8 is in abutment with the inner wall of the recess 10, and the outside of the sliding column 6 in the guide hole 5 is provided with a fixing mechanism 7, the relative position of the sliding column 6 in the guide hole 5 is fixed by the fixing mechanism 7, so that the distribution position of the four bearing plates 4 at the bottom end can be matched with the outer diameter of the bearing part;

[0033] The fixing mechanism 7 comprises two symmetrical flip plates 73 distributed on the outside of the sliding column 6, and the opposite sides of the two flip plates 73 are connected with a torsion spring 72, a plurality of limiting grooves 71 are equidistantly arranged on the inner wall of the guide hole 5 at the outer end of the flip plate 73, the outer end of the flip plate 73 is inserted into the inside of the corresponding limiting groove 71, and the side, away from the torsion spring 72, of the sliding column 6 is provided with two symmetrically distributed stop blocks 74, and one side of the stop block 74 is in abutment with the outside of the same side flip plate 73;

[0034] The adjacent flip plates 73 are V-shapedly distributed, one end of the flip plate 73 close to the torsion spring 72 is rotatably connected with the outside of the sliding column 6, the limiting grooves 71 are provided with two groups on the guide hole 5, and the top view of the limiting groove 71 is an acute triangle;

[0035] Specifically, as shown in Figure 1 , Figure 4 and Figure 5 , when in use, the sliding column 6 is limited and locked by the fixing mechanism 7, so that the sliding column 6 cannot slide outward, so that the spacing of the bottom ends of the plurality of traction ropes 3 meets the size requirement of the part.

[0036] Working principle: when in use, first, the maintenance part of the wind power generator is lifted from one side to the bearing plate 4, the position of the bottom sliding column 6 is adjusted according to the size of the maintenance part, the two flip plates 73 are pressed inward, the torsion spring 72 is compressed, the flip plate 73 is moved out of the limiting groove 71, and the flip plate 73 is pushed back and forth to make the sliding column 6 slide along the guide hole 5 until the appropriate position is reached, then the flip plate 73 is loosened, the flip plate 73 is inserted into the inside of the limiting groove 71 under the elastic action of the torsion spring 72, and the flip plate 73 is prevented from excessive turning by the interception effect of the stop block 74, so that the sliding column 6 cannot slide outward along the guide hole 5, so that the spacing between the bottom ends of the traction ropes 3 meets the size of the part;

[0037] Secondly, the electric telescopic rod 22 is started to extend, the movable ring 23 is lowered, and the bottom ends of the plurality of traction ropes 3 are gathered inward, so that the spacing of the top ends of the traction ropes 3 can match the top end surface of the part, and the traction ropes 3 can wrap the part;

[0038] Finally, the pull rope 93 is threaded through the through hole 92 around the four sides, and the spacing between the adjacent traction ropes 3 is further limited, and then the two ends of the pull rope 93 are knotted to each other, so as to further wrap and limit the wind turbine maintenance parts around, and the hook of the hoisting machine is connected with the lifting ring 1, so as to realize the transfer of the parts.

[0039] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separated, and the components displayed as units can or can not be physical units, that is, they can be located in one place, or distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to the actual needs. Those skilled in the art can understand and implement without creative labor.

[0041] Finally, it should be pointed out that: the above examples are only used to illustrate the technical scheme of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the present application.

Claims

1. A hoisting device for maintenance of a wind power generator, comprising a hoisting ring (1), characterised in that: The bottom end of the lifting ring (1) is provided with a tightening assembly (2), and the inside of the tightening assembly (2) is uniformly penetrated by four traction ropes (3), the bottom end of the traction rope (3) is fixedly connected with a sliding column (6), and the outside of the plurality of sliding columns (6) is commonly sleeved with a bearing plate (4), the bottom end of the bearing plate (4) is provided with a groove (10), and the inside of the groove (10) is provided with a guide hole (5) corresponding to the position of the sliding column (6), the bottom end of the sliding column (6) penetrates into the inside of the guide hole (5) and is provided with a limiting plate (8), and the top end surface of the limiting plate (8) is in abutment with the inner wall of the groove (10), the outside of the sliding column (6) in the guide hole (5) is provided with a fixing mechanism (7), the relative position of the sliding column (6) in the guide hole (5) is fixed by the fixing mechanism (7), so that the distribution position of the four bearing plates (4) at the bottom end can be matched with the outer diameter of the bearing component.

2. A hoisting device for maintenance of a wind turbine according to claim 1, characterized in that: The tightening assembly (2) comprises a fixed plate (21) fixedly installed at the bottom end of the lifting ring (1), and the outer edges of the bottom end of the fixed plate (21) are uniformly provided with electric telescopic rods (22), and the bottom ends of the electric telescopic rods (22) are commonly connected with a movable ring (23), the bottom end center of the fixed plate (21) and one end of the traction rope (3) are fixedly connected, and the bottom end of the traction rope (3) penetrates through the inside of the movable ring (23).

3. A hoisting device for maintenance of a wind turbine according to claim 1, characterized in that: The outer diameter of the sliding column (6) and the width of the guide hole (5) are matched with each other, and the guide holes (5) are distributed in X shape on the bearing plate (4) without crossing.

4. A hoisting apparatus for maintenance of a wind power generator according to claim 1, characterized in that: The fixing mechanism (7) comprises two flip plates (73) symmetrically distributed on the outside of the sliding column (6), and the opposite sides of the two flip plates (73) are connected with torsional springs (72), a plurality of limiting grooves (71) are equally spaced on the inner wall of the guide hole (5) at the outer end of the flip plate (73), the outer end of the flip plate (73) is inserted into the inside of the corresponding limiting groove (71), two symmetrically distributed stop blocks (74) are installed on the side of the sliding column (6) away from the torsional spring (72), and the side of the stop block (74) is in abutment with the outside of the same side flip plate (73).

5. A hoisting device for maintenance of a wind turbine generator according to claim 4, characterized in that: The adjacent flip plates (73) are distributed in V shape, one end of the flip plate (73) close to the torsional spring (72) is rotatably connected with the outside of the sliding column (6), the limiting grooves (71) are provided with two groups on the guide hole (5), and the top view of the limiting groove (71) is an acute triangle.

6. A hoisting apparatus for maintenance of a wind power generator according to claim 1, characterized in that: A plurality of the traction ropes (3) are connected with a wrapping assembly (9) to wrap and intercept the periphery of the bearing component.

7. A hoisting device for maintenance of a wind turbine generator according to claim 6, characterized in that: The wrapping assembly (9) comprises a fixed ring (91) fixed on the traction rope (3), and the fixed ring (91) is provided with four groups, and each group is provided with four, each group of the fixed ring (91) is distributed in equal intervals on the traction rope (3), a through hole (92) is formed in the outside of the fixed ring (91), a plurality of through holes (92) on the same horizontal plane are connected by a pull rope (93), and the two ends of the pull rope (93) are twisted and knotted.

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