CN106586846A - Hoisting equipment of wind power generating set and construction method thereof - Google Patents

Abstract

The present invention provides a hoisting device for a wind power generating set and a construction method thereof. The hoisting device includes a climbing mechanism, a brake shoe, a hoisting system, a supporting link and a ground hoist; the climbing mechanism is arranged on a tower and Move up and down the tower to transport the brake shoes from the bottom of the tower to the top of the tower; the ground hoist is fixed on the ground and used to lift the lifting system from the bottom of the tower to the top of the tower ; The supporting link is used to fixedly connect the lifting system with the brake shoe. The hoisting equipment of the present invention can simplify the construction process, avoid or reduce the use of large cranes, get rid of the dependence on large crane equipment, save manpower and financial resources, save equipment use costs, shorten the construction period, improve the safety of on-site construction, and improve installation and maintenance. The convenience of overhauling wind turbines will help to further promote the sustainable development and practical application of wind power technology.

Description

A kind of hoisting equipment and construction method of wind power generating set

technical field

The present invention relates to the technical field of installation and maintenance of a wind power generating set, and more specifically, to a hoisting device for a wind generating set and a construction method thereof.

Background technique

At present, when installing towers, nacelles, blades and other components in wind farms, it is necessary to use large cranes to first install the towers section by section, and then install the nacelle equipment and blades. As the capacity of wind turbines continues to increase, the height of wind power towers is also increasing, and the amount and difficulty of installing blades and equipment in the nacelle is also increasing. In particular, large cranes with higher and higher hoisting heights are required. Due to the special topography of the wind farm site, it is also difficult for heavy equipment such as large cranes to reach the wind farm. In the subsequent use and maintenance of the wind turbine, if it is necessary to replace the blades or the generator, transmission and other components in the nacelle. If the traditional construction method of large crawler cranes is also used, there are obvious shortcomings such as huge human and financial resources, long construction period and poor construction safety. In view of the shortcomings of traditional construction methods and hoisting equipment, it is necessary to study and design new hoisting equipment and construction methods for the installation and maintenance of wind turbines.

Contents of the invention

The present invention provides a hoisting device and construction method for a wind power generating set that overcomes the above problems or at least partially solves the above problems. On-site construction safety.

According to one aspect of the present invention, a hoisting device for a wind power generating set is provided, which includes a climbing mechanism, a brake shoe, a lifting system, a supporting link and a ground winch; the climbing mechanism is arranged on the tower and Move up and down along the tower to transport the holding brake shoe from the bottom of the tower to the top of the tower; the holding brake shoe is connected by brake shoe connecting bolts at the top of the tower to form a cylindrical shape and hold the top of the tower , relying on the friction between itself and the surface of the tower, and the conical structure of the tower is fixed on the top of the tower; the ground hoist is fixed on the ground and is used to lift the lifting system from the bottom of the tower to the tower Top: the supporting link is used to fixedly connect the lifting system and the holding brake shoe. After fixing the lifting system on the top of the tower, the construction of the lifting platform is completed, and the installation of blades or cabin equipment is further realized. Hoisting construction and later maintenance and overhaul.

Preferably, the climbing mechanism includes several layers of clamping arms and several lifters, including one layer of the clamping arms in a relaxed state, and at least two layers of the clamping arms in a clamped state, so as to To ensure the safety and reliability of climbing; the lifter is located at the four corners of the climbing mechanism and is used to lift the clamping arm in a relaxed state. The clamping arm relies on its own power to clamp the surface of the tower to generate friction, and the elevator lifts the relaxed clamping arm to a certain height layer by layer, so that the climbing mechanism gradually climbs from the bottom of the tower to the top.

Preferably, the upper end of the climbing mechanism is provided with an annular platform for construction by workers, safety guardrails are provided around the annular platform, and several of the holding brake shoes are provided at the center of the annular platform.

Preferably, several brake shoes are provided, the inner surface of which is basically the same shape as the outer surface of the tower top, so that the two can fit each other; The bosses are connected by bolts, through which the bolts connect several of the holding brake shoes in sequence to form a cylindrical shape and hold the top of the tower. The clamping brake shoe is fixed on the top of the tower by utilizing the friction force between itself and the surface of the tower and the conical structure of the tower.

Preferably, the outer surface of the brake shoe is provided with an upper bracket and a lower bracket, the upper bracket is provided with a fixed pulley and an upper support pin for installing the supporting link, and the lower bracket is provided with a fixed pulley for installing the supporting link. The lower support pin of the above-mentioned support link.

Preferably, the lifting system includes an upper construction platform and a lower construction platform, and safety guardrails are provided on the edges of each construction platform.

Preferably, the upper construction platform is provided with a set of gantry cranes and linear guide rails, and the gantry cranes move on the linear guide rails; the platform ground of the upper construction platform is provided with a gap in the direction of the tail of the cabin, which is convenient for gantry cranes Crane lifts heavy loads. The platform ground of the upper construction platform is provided with a safety door connected to the lower construction platform, and construction workers can enter the lower construction platform through the safety door through a ladder.

Preferably, the central positions of the upper construction platform and the lower construction platform are respectively provided with a number of lifting upper brackets, lifting lower brackets and several guide wheels; the rigid connection between the lifting upper brackets and the lifting lower brackets is a whole; The lifting upper bracket is provided with a lifting fixing pin and a lifting upper support pin, and the lifting lower bracket is provided with a lifting lower supporting pin; the lifting fixing pin of the lifting upper bracket is used to securely connect one end of the wire rope of the ground winch, and The lifting upper supporting pin is used for connecting the supporting connecting rod; the lifting lower supporting pin on the lifting lower bracket is used for connecting the supporting connecting rod. The guide wheels are in contact with the surface of the tower during the lifting process of the hoisting system, so as to avoid scraping and collision between the hoisting system and the tower.

Preferably, there are several ground hoists, all of which are fixedly connected to the ground; the steel wire ropes of the ground hoists all go around the fixed pulleys of the upper bracket holding the brake shoe, and then connect to the hoist of the lifting system. Lifting pins for brackets. Several ground winches synchronously retract the steel wire rope, so that the hoisting system rises steadily along the tower to reach the top of the tower.

Preferably, the two ends of the support link are in a closed ring structure, and the ring structures at both ends are used to connect the upper support pin of the upper bracket holding the brake shoe and the lifting upper support of the lifting upper bracket of the lifting system. pin, and the lower support pin connecting the lower bracket of the brake shoe tightly with the lifting lower support pin of the lifting lower bracket of the lifting system. After the ground winch raises the lifting system to the top of the tower, the several support links rigidly connect the upper support pins of the upper bracket of the brake shoe with the upper support pins of the upper bracket of the lifting system, At the same time, rigidly connect the lower support pin of the lower support of the brake shoe with the lower support pin of the lower support of the lifting system, and fix the lifting system at the top of the tower.

According to another aspect of the present invention, a construction method for hoisting equipment of a wind power generating set is provided, the method comprising:

Step 1. Fix a plurality of brake shoes and one end of the wire rope of the ground hoist to the climbing mechanism respectively, and use the climbing mechanism to transport the brake shoe and one end of the wire rope to the top of the tower;

Step 2. The construction workers climb to the top via the ladder inside the tower, and reach the annular platform of the climbing mechanism, and connect the multiple brake shoes in sequence with bolts to form a cylindrical shape and hold the top of the tower tightly. The hoisting system raises and fixes the basic components;

Step 3. The construction worker passes the steel wire rope of the ground hoist around the fixed pulley of the upper bracket holding the brake shoe, and then returns to the inside of the tower;

Step 4. After connecting the steel wire rope of the ground winch to the lifting system, the steel wire rope is retracted synchronously to raise the lifting system. During the lifting process of the lifting system, its guide wheel contacts the tower;

Step 5. After the hoisting system reaches the top of the tower, construction workers arrive at the upper and lower construction platforms of the hoisting system, and connect the brake shoes with the hoisting system through a plurality of supporting links, so that the hoisting system is fixed on the tower Top; preferably, the upper support pin of the upper support bracket of the brake shoe is rigidly connected to the upper support pin of the upper support bracket of the lifting system by using a plurality of support links, and at the same time the brake shoe is held tightly The lower support pin of the lower bracket is rigidly connected with the lifting lower support pin of the lifting lower bracket of the lifting system, and the lifting system is fixed at the top of the tower;

Step 6. Construction workers operate the gantry crane on the lifting system to lift the blades or cabin equipment, and carry out installation, maintenance and overhaul construction;

Step 7. After the construction is completed, disassemble a plurality of the supporting links in sequence, lower the lifting system, disassemble and recover the holding brake shoe. During the construction process, the climbing mechanism and the lifting system are both at the level State, construction workers take necessary safety measures.

The hoisting equipment of the wind power generating set proposed by the present invention is fixed on the top of the wind power tower, and the hoisting operation is carried out by using the height of the tower itself. Compared with the traditional construction method, the use of large cranes is avoided or reduced, and the dependence on large crane equipment is eliminated. It saves manpower and financial resources, has good economy, low construction cost and good safety. The hoisting equipment of the present invention can meet the needs of wind turbine blades, hubs, and engine room equipment, etc., adopts a modular design, can be assembled and disassembled on site, has strong flexibility, significantly improves the convenience of installation, maintenance and repair of wind turbines, and has high practical value . The invention can simplify the construction process, save the cost of equipment use, shorten the construction period, improve the safety of on-site construction, and help to further promote the sustainable development and practical application of wind power generation technology.

Description of drawings

Fig. 1 is the schematic diagram of the hoisting system hoisting cabin equipment of the embodiment of the present invention;

Fig. 2 is the structural representation of the climbing mechanism of the embodiment of the present invention;

Fig. 3 is a schematic diagram of the climbing mechanism of the embodiment of the present invention transporting the brake shoe and the wire rope of the ground winch;

Fig. 4 is a schematic structural view of the brake shoe of the embodiment of the present invention;

Fig. 5 is a schematic diagram of the embodiment of the present invention, where the brake shoes are connected successively on the top of the tower to form a cylindrical shape;

Fig. 6 is a structural schematic diagram of a lifting system according to an embodiment of the present invention;

Fig. 7 is a schematic diagram of a hoisting system for lifting a ground hoist via a fixed pulley according to an embodiment of the present invention;

Fig. 8 is a structural schematic diagram of a support link according to an embodiment of the present invention;

Fig. 9 is a schematic diagram of the connection mode of the support link between the lifting system and the brake shoe of the embodiment of the present invention.

Reference signs:

1. Ground, 2. Tower;

100. Climbing mechanism, 101. Clamping arm of the first layer, 102. Clamping arm of the second layer, 103. Clamping arm of the third layer, 104. Lifter, 105. Ring platform, 106. Safety guardrail;

200. Hold brake shoe tightly, 201. Brake shoe body, 202. Connecting boss, 203. Brake shoe connecting bolt, 210. Upper bracket, 211. Fixed pulley, 212. Upper support pin, 220. Lower bracket, 221. Lower support pin;

300, hoisting system, 310, upper construction platform, 311, upper safety guardrail, 312, linear guide rail, 313, safety door, 314, climbing ladder, 320, lower construction platform, 321, lower safety guardrail, 330, lifting upper bracket, 331, Lifting fixed pin, 332, lifting upper supporting pin, 340, lifting lower support, 341, lifting lower supporting pin, 350, gantry crane, 351, winch, 360, guide wheel;

400, supporting connecting rod, 401, connecting rod body, 402, semicircular piece, 403, end connecting bolt;

500, ground winch, 501, steel wire rope.

detailed description

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In one embodiment according to the present application, there is provided an installation and maintenance equipment for a wind power generating set, the equipment includes a climbing mechanism 100, a holding brake shoe 200, a lifting system 300, a supporting link 400 and a ground winch 500; The climbing mechanism 100 is arranged on the tower tube 2 and moves up and down along the tower tube 2, and is used to transport the clamping brake shoe 200 from the bottom of the tower tube 2 to the top of the tower tube 2; 2. The top is connected by brake shoe connecting bolts 203 to form a cylindrical shape to hold the top of the tower 2 tightly, relying on the friction between itself and the surface of the tower 2, and the conical structure of the tower 2 to be fixed on the top of the tower 2; The ground winch 500 is fixed on the ground, and is used to lift the lifting system 300 from the bottom of the tower 2 to the top of the tower 2; the support link 400 is used to fixedly connect the lifting system 300 and the holding brake shoe 200. Fix the hoisting system 300 on the top of the tower 2, complete the construction of the hoisting platform, and further realize the hoisting construction of the installation of blades or engine room equipment and subsequent maintenance and repair.

FIG. 1 is a schematic diagram of a hoisting system for hoisting equipment in a nacelle according to an embodiment of the present invention. A tower 2 is installed and fixed on a ground 1 .

Fig. 2 is a schematic diagram of the basic structure of the climbing mechanism of the embodiment of the present invention. The climbing mechanism 100 is assembled from several parts at the construction site. The assembled climbing mechanism 100 mainly includes the clamping arm 101 of the first layer, the clamping arm 102 of the second layer, and the clamping arm 103 of the third layer. , a lifter 104, an annular platform 105 and a safety guardrail 106 located at the four corners. Both the clamping arm 101 of the first layer and the clamping arm 102 of the second layer are in the state of clamping the tower 2, and the clamping arm 103 of the third layer is in the state of loosening. The lifter 104 lifts the clamping arm 103 of the third layer to a position close to the clamping arm 102 of the second layer. The clamping arm 103 of the third layer becomes the state of clamping the tower tube 2 by its own power, and then the clamping arm 102 of the second layer becomes the relaxed state by its own power. Then the lifter 104 lifts the clamping arm 102 of the second layer to a position close to the clamping arm 101 of the first layer.

Considering the safety and reliability of climbing, the number of clamping arms that are in the clamping state at the same time is 2 layers. The lifter 104 lifts the loosened clamping arm to a certain height layer by layer in sequence, so that the climbing mechanism climbs up the tower 2 step by step.

Fig. 3 is a schematic diagram of the climbing mechanism of the embodiment of the present invention transporting the brake shoe and the steel wire rope of the ground winch. The center of the climbing mechanism 100 is placed close to the center of the tower 2, and 6 sets of the brake shoes 200 are placed, and the wire ropes 501 of the ground winch 500 are hung on the surrounding edges. The climbing mechanism 100 transports the brake shoe 200 and the wire rope 501 to the top of the tower 2 step by step according to the climbing process shown in FIG. 2 .

Fig. 4 is a schematic diagram of the basic structure of the brake shoe of the embodiment of the present invention. As shown in FIG. 4 , the inner surface of the brake shoe body 201 holding the brake shoe 200 is in contact with the outer surface of the tower 2 , and several connecting bosses 202 on both sides of the brake shoe body 201 are provided with bolt holes. The fixed pulley 211 on the upper bracket 210 of the brake shoe is used to bypass the wire rope 501 of the ground winch 500, and the upper support pin 212 of the brake shoe is used to install the support connecting rod 400, and the brake shoe on the lower bracket 220 of the brake shoe The support pin 221 under the shoe is also used to connect the support link 400, and the support link 400 connects the brake shoe 200 and the lifting system 300 as a whole.

Fig. 5 is a schematic diagram of the embodiment of the present invention in which the brake shoes are connected successively at the top of the tower to form a cylindrical shape. As shown in Figure 5, after the climbing mechanism 100 transports the tight-holding brake shoe 200 to the top of the tower 2, the inner surface of the brake shoe body 201 of the tight-holding brake shoe 200 contacts the outer surface of the tower 2, and the brake The shoe connecting bolts 203 connect the holding brake shoes 200 successively through the bolt holes on the connecting boss 202 to form a cylindrical shape, which is close to the top of the tower tube 2 . The frictional force between itself and the surface of the tower 2 and the tapered structure of the tower 2 make it fixed on the top of the tower 2 .

Fig. 6 is a schematic diagram of the basic structure of the lifting system of the embodiment of the present invention. As shown in FIG. 6 , the lifting system 300 is assembled from several parts at the construction site, and the assembled lifting system has a double-layer cage frame structure. The assembled hoisting system includes a double-layer cage frame structure formed by connecting the upper construction platform 310, the lower construction platform 320, the upper hoisting bracket 330, the lower hoisting bracket 340, the upper safety guardrail 311 and the lower safety guardrail 321. The structure has The advantages of high strength and high rigidity.

The upper construction platform 310 is equipped with a set of gantry crane 350, and the gantry crane 350 is equipped with a hoist 351, and the hoist 351 can move on the gantry crane 350 to facilitate positioning and hoisting of wind turbine equipment. The upper construction platform 310 is provided with a linear guide rail 312 on the ground, and the gantry crane 350 can move under the guidance of the linear guide rail 312 . The safety door 313 is opened from the upper construction platform 310 , and the lower construction platform 320 can be reached via the ladder 314 . The lifting fixing pin 331 of the lifting upper bracket 330 is used for fixing one end of the wire rope 501 of the ground winch 500 , and the lifting upper supporting pin 332 is used for connecting the supporting link 400 . The lower lifting support pin 341 on the lower lifting bracket 340 is used for connecting the supporting link 400 .

The guide wheels 360 are evenly distributed along the center hole circles of the upper construction platform 310 and the lower construction platform 320 , and are in contact with the surface of the tower tube 2 when the lifting system 300 rises along the tower tube 2 .

Fig. 7 is a schematic diagram of a hoisting system for a ground hoist via a fixed pulley according to an embodiment of the present invention. As shown in Figure 7, after the wire rope 501 of the ground winch 500 is transported to the top of the tower 2 by the climbing mechanism 100, it goes around the fixed pulley 211 on the upper bracket 210 of the brake shoe holding the brake shoe 200, and extends to the ground. 1. The wire rope 501 is fixedly connected with the lifting fixing pin 331 of the lifting system 300 lifting the upper bracket 330 . The ground hoist 500 retracts the steel wire rope 501 synchronously, and lifts the hoisting system 300 smoothly.

Fig. 8 is a schematic diagram of the basic structure of the supporting link in the embodiment of the present invention. As shown in FIG. 8 , the supporting link 400 includes a link body 401 , a semicircular piece 402 , and a connecting bolt 403 at the end. The semi-circular member 402 is fixed to the connecting rod body 401 through the connecting bolt 403 at the end, forming a closed circular structure at both ends of the supporting connecting rod 400 .

Fig. 9 is a schematic diagram of the connection mode of the support link between the lifting system and the brake shoe of the embodiment of the present invention. As shown in Figure 9, after the relative position of the lifting system 300 and the holding brake shoe 200 is properly adjusted by the ground hoist 500 to retract the wire rope 501, the two ends of the support link 400 are rigidly connected to the holding brake shoe 200 respectively. The upper supporting pin 212 of the upper bracket 210 and the lifting upper supporting pin 332 of the lifting upper bracket 330 of the lifting system 300, and the supporting link 400 is also rigidly connected to the lower supporting pin 221 of the lower bracket 220 of the brake shoe 200 and the lifting system. 300 lifts the lower support pin 341 of the lower support 340. Several supporting links 400 on the two layers rigidly connect the hoisting system 300 and the brake shoe 200 as a whole, and further connect the hoisting system 300 and the top of the tower tube 2 into one body, which is the portal type of the hoisting system 300. Crane 350 provides a stable construction support platform.

When installing a wind turbine, the gantry crane 350 can hoist heavy objects such as nacelle equipment, blades, and hubs; Heavy objects such as hubs and hubs are hoisted to the ground 1, and then the new hoisting cabin equipment, blades, hubs, etc. are hoisted to the top of the tower tube 2 for installation, and related construction work is successfully completed.

The above-mentioned construction method of the hoisting equipment of the wind power generating set includes the following contents:

Step 1. Fix several brake shoes 200 and one end of the wire rope 501 of the ground winch 500 on the climbing mechanism 100, and use the climbing mechanism 100 to transport them to the top of the tower 2;

Step 2. Construction workers climb to the top via the ladder inside the tower tube 2, and reach the annular platform 105 of the climbing mechanism 100, and use the brake shoe connecting bolts 203 to connect the holding brake shoes 200 in sequence to form a cylindrical shape and hold the top of the tower tube 2 tightly. , to become the basic component for lifting and fixing the lifting system 300;

Step 3. The construction worker bypasses the fixed pulley 211 of the ground hoist 500 and the steel wire rope 501 holding the upper bracket 210 of the brake shoe 200 tightly, and then returns to the inside of the tower;

Step 4. After connecting the wire rope 501 of the ground winch 500 to the lifting system 300, the wire rope 501 is retracted synchronously to raise the lifting system 300. During the lifting process of the lifting system 300, its guide wheel 360 is in contact with the surface of the tower tube 2;

Step 5. After the hoisting system 300 reaches the top of the tower tube 2, the construction workers reach the upper construction platform 310 and the lower construction platform 320 of the hoisting system 300, and use a plurality of supporting links 400 to connect the brake shoe 200 and the hoisting system 300 as a whole Preferably, the support pin 212 of the upper bracket 210 of the tight brake shoe 200 is rigidly connected to the lifting upper support pin 332 of the lifting upper bracket 330 of the lifting system 300 by using a plurality of the supporting links 400, and at the same time Rigidly connect the support pin 221 of the lower bracket 220 holding the brake shoe 200 to the lifting lower support pin 341 of the lifting lower bracket 340 of the lifting system 300, and fix the lifting system 300 on the top of the tower 2;

Step 6. The construction workers operate the gantry crane 350, hoist the blades or cabin equipment, and carry out installation, maintenance and repair construction;

Step 7. After the construction is completed, dismantle the multiple supporting links 400 in sequence, lower the hoisting system 300, disassemble and recover the holding brake shoe 200; during the construction process, the climbing mechanism 100 and the hoisting system 300 are both in a horizontal state , Construction workers take necessary safety measures.

Finally, the method of the present application is only a preferred embodiment, and is not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A hoisting device for a wind power generating set, characterized in that it includes a climbing mechanism, a brake shoe, a lifting system, a support connecting rod and a ground winch; the climbing mechanism is arranged on the tower and moves up and down along the tower moving, used to transport the brake shoe from the bottom of the tower to the top of the tower; the ground hoist is fixed on the ground, and is used to lift the lifting system from the bottom of the tower to the top of the tower; the support The connecting rod is used for fixedly connecting the lifting system and the holding brake shoe. 2. The hoisting device for a wind power generating set according to claim 1, wherein the climbing mechanism includes several layers of clamping arms and several lifters, and the clamping arms include a layer in a relaxed state The clamping arm, and at least two layers of the clamping arm in the clamping state; the lifter is located at the four corners of the climbing mechanism, and is used to lift the clamping arm in the relaxed state. 3. The hoisting device for a wind power generating set according to claim 2, characterized in that, the upper end of the climbing mechanism is provided with an annular platform for workers to construct, and a safety guardrail is arranged around the annular platform, and the The central position of the annular platform is provided with several said holding brake shoes. 4. A hoisting device for a wind power generating set according to claim 1, characterized in that, the inner surface of the brake shoe is in close contact with the outer surface of the top of the tower; the outer surface of the brake shoe is two A bolt connection boss is arranged at the side edge, through which the bolt connects several of the brake shoes in order to form a cylindrical shape to hold the top of the tower. 5. The hoisting device for a wind power generating set according to claim 4, wherein an upper bracket and a lower bracket are provided on the outer surface of the brake shoe, and the upper bracket is provided with a fixed pulley and is used for mounting The upper support pin of the support link, the lower support pin is provided with the lower support pin for installing the support link. 6. The hoisting equipment of a kind of wind power generation unit according to claim 1, it is characterized in that, described hoisting system comprises upper layer construction platform and lower layer construction platform, and the edge of each layer of construction platform is all provided with safety guardrail; The upper layer The construction platform is provided with a set of gantry cranes and linear guide rails, and the gantry cranes move on the linear guide rails; the platform ground of the upper construction platform is provided with a safety door connected to the lower construction platform. 7. The hoisting device for a wind power generating set according to claim 6, characterized in that, the center positions of the upper construction platform and the lower construction platform are respectively provided with several lifting upper brackets, lower lifting brackets and several guide wheels. The lifting upper bracket is rigidly connected with the lifting lower bracket; the lifting upper bracket is provided with a lifting fixed pin and a lifting upper support pin, and the lifting lower bracket is provided with a lifting lower support pin; the guide wheel is in contact with the surface of the tower . 8. A hoisting device for a wind power generating set according to claim 7, wherein the wire ropes of the ground hoist all go around the fixed pulley of the upper bracket holding the brake shoe, and then connect to the hoisting device. The lifting fixing pin of the lifting upper bracket of the system. 9. A hoisting device for a wind power generating set according to claim 8, characterized in that, the two ends of the support connecting rod are arranged in a closed ring structure, and the ring structures at both ends are used to connect the clamping brake shoes. The upper supporting pin of the upper bracket and the lifting upper supporting pin of the lifting upper bracket of the lifting system, and the lower supporting pin of the lower bracket connecting the tight brake shoe and the lifting lower supporting pin of the lifting lower bracket of the lifting system . 10. A construction method for the hoisting equipment of a wind power generating set according to any one of claims 1-9, characterized in that the method comprises: Step 1, fixing a plurality of brake shoes and one end of the wire rope of the ground winch on the climbing mechanism respectively, and using the climbing mechanism to transport the brake shoe and one end of the wire rope to the top of the tower; Step 2, the construction workers climb to the top via the ladder inside the tower, and reach the annular platform of the climbing mechanism, and use bolts to connect a plurality of the holding brake shoes in sequence to form a cylindrical shape and hold the top of the tower tightly, becoming The hoisting system raises and fixes the basic components; Step 3, the construction worker passes the steel wire rope of the ground winch around the fixed pulley of the upper bracket holding the brake shoe, and then returns to the inside of the tower; Step 4, after connecting the steel wire rope of the ground hoist to the lifting system, and then synchronously retracting the steel wire rope to raise the lifting system, during the lifting process of the lifting system, its guide wheel contacts the tower; Step 5, after the lifting system reaches the top of the tower, construction workers arrive at the upper and lower construction platforms of the lifting system, and connect the brake shoes with the lifting system through a plurality of supporting links, so that the lifting system is fixed on the tower top; Step 6, the construction workers operate the gantry crane on the lifting system, lift the blades or cabin equipment, and carry out installation, maintenance and overhaul construction; Step 7, after the construction is completed, dismantle the plurality of supporting connecting rods in sequence, lower the lifting system, disassemble and recover the clamping brake shoes.