CN209925151U

CN209925151U - Impeller assembly butt joint auxiliary device of wind generating set

Info

Publication number: CN209925151U
Application number: CN201920506182.8U
Authority: CN
Inventors: 严浩; 高帅; 吴俊虎; 程龙; 吴何维; 刘云港
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-01-10
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a wind generating set impeller assembly docks auxiliary device, include: the device comprises a winch unit, a retainer device, a traction rope set, an engine room assembly, a tower drum and an impeller assembly; the winch set, the retainer device and the impeller assembly are connected through a traction rope set during assembly; the retainer device is arranged at the rear end of the engine room assembly; the tower barrel is arranged at the bottom end of the cabin assembly; the impeller assembly is arranged at the front end of the cabin assembly. When the impeller assembly of the device is butted with the cabin assembly, the four winches are adopted to apply horizontal force to the impeller assembly through the traction ropes together, and the position and the inclination angle of the impeller assembly can be adjusted by matching with the hoisting crane, so that the impeller assembly and the cabin assembly are aligned vertically and horizontally, and the device is efficient and convenient.

Description

Impeller assembly butt joint auxiliary device of wind generating set

Technical Field

The utility model belongs to the technical field of wind generating set technique and specifically relates to a wind generating set impeller assembly docks auxiliary device is related to.

Background

In the installation and construction process of the wind generating set, after the tower and the engine room assembly are assembled, the blades and the hub are assembled on the ground to form the impeller assembly. And then, integrally hoisting the assembled impeller assembly by using a crane to complete butt joint installation with the cabin assembly. After the impeller assembly is hoisted to the high-altitude engine room position, the hoisting crane needs to be controlled to align the upper position, the lower position, the left position and the right position of the impeller assembly and the engine room assembly so as to realize accurate butt joint of bolt holes. In the process, the impeller assembly is in a high-altitude hoisting state, is greatly influenced by wind load and is extremely easy to swing, so that great difficulty is brought to construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind generating set impeller assembly docks auxiliary device.

To achieve the above object, the present invention adopts the following:

a wind generating set impeller assembly butt joint auxiliary device includes: the device comprises a winch unit, a retainer device, a traction rope set, an engine room assembly, a tower drum and an impeller assembly; the winch set, the retainer device and the impeller assembly are connected through a traction rope set during assembly; the retainer device is arranged at the rear end of the engine room assembly; the tower barrel is arranged at the bottom end of the cabin assembly; the impeller assembly is arranged at the front end of the cabin assembly.

Preferably, the hoisting machine set comprises a first hoisting machine, a second hoisting machine, a third hoisting machine and a fourth hoisting machine; the first winch, the fourth winch, the third winch and the second winch are sequentially arranged on the ground; the retainer device comprises an upper retainer, a lower retainer, a first connecting belt and a second connecting belt; the upper retainer is arranged at the upper end of the lower retainer and is fixed through a bolt; a first fixed pulley is arranged on the left side of the upper end of the upper retainer, and a second fixed pulley is arranged on the right side of the upper end of the upper retainer; a lifting lug is arranged at the center of the upper end of the upper retainer; a fourth fixed pulley is arranged on the left side of the bottom end of the lower retainer, and a third fixed pulley is arranged on the right side of the bottom end of the lower retainer; the middle parts of the joints of the upper retainer and the lower retainer are respectively connected through a first connecting belt and a second connecting belt; the traction rope group comprises a first traction rope, a second traction rope, a third traction rope and a fourth traction rope; the impeller assembly includes a first blade, a second blade, and a third blade.

Preferably, one end of the first traction rope is wound on the first winch, and the other end of the first traction rope spans the first fixed pulley and then is fixedly connected to the first blade; one end of the second traction rope is wound on the second winch, and the other end of the second traction rope spans the second fixed pulley and then is fixedly connected to the second blade; one end of the third traction rope is wound on the third winch, and the other end of the third traction rope spans the third fixed pulley and is fixedly connected to the third blade; one end of the fourth traction rope is wound on the fourth winch, and the other end of the fourth traction rope spans the fourth fixed pulley and then is fixedly connected to the third blade.

Preferably, the lower holder is U-shaped.

Preferably, the bottom surface of the upper retainer is attached to the upper surface of the cabin assembly; the inner side bottom surface of the lower retainer is attached to the lower surface of the cabin assembly, and a gap is reserved between the side surface of the lower retainer and the side surface of the cabin assembly.

Preferably, the length of each of the first and second connection belts is greater than the minimum length of the length required to connect the upper and lower holders.

Preferably, the first blade, the second blade and the third blade are uniformly arranged around the impeller assembly.

The utility model has the advantages of it is following:

1. when the impeller assembly of the device is butted with the cabin assembly, the four winches are adopted to apply horizontal force to the impeller assembly through the traction ropes together, and the position and the inclination angle of the impeller assembly can be adjusted by matching with the hoisting crane, so that the impeller assembly and the cabin assembly are aligned vertically and horizontally, and the device is efficient and convenient.

2. When the retainer device is locked by the bolts, the upper inner surface and the lower inner surface of the retainer device are attached to the engine room assembly, and gaps are reserved between the left inner surface and the right inner surface of the retainer device and the engine room assembly. After the impeller assembly and the cabin assembly are butted, a worker unloads the bolt, and the first connecting belt and the second connecting belt play a connecting role at this time, so that the retainer device loosens the fixed connection with the cabin assembly at this time, the subsequent crane is convenient to integrally hang down the retainer device, the device can be recycled, and the method is very economical.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a side view structure schematic diagram of an auxiliary docking device of a wind turbine generator system impeller assembly.

Fig. 2 is a schematic structural diagram of an auxiliary device for butting an impeller assembly of a wind generating set.

Fig. 3 is a partially enlarged view of fig. 2.

Fig. 4 is a schematic view of the connection of the hoisting machine set and the hauling rope set.

Fig. 5 is a schematic diagram of a hoist assembly.

Fig. 6 is a schematic view of a cage assembly.

FIG. 7 is a schematic view of a nacelle assembly and an impeller assembly.

In the figures, the various reference numbers are:

1-a winch set, 101-a first winch, 102-a second winch, 103-a third winch, 104-a fourth winch, 2-a retainer device, 201-an upper retainer, 202-a lower retainer, 203-a bolt, 204-a first connecting belt, 205-a second connecting belt, 206-a first fixed pulley, 207-a second fixed pulley, 208-a third fixed pulley, 209-a fourth fixed pulley, 210-a lifting lug, 3-a first traction rope, 4-a second traction rope, 5-a third traction rope, 6-a fourth traction rope, 7-a cabin assembly, 8-a tower, 9-an impeller assembly, 91-a first blade, 92-a second blade and 93-a third blade.

Detailed Description

In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

As shown in fig. 1 to 7, an auxiliary docking device for an impeller assembly of a wind turbine generator system includes: the device comprises a winch unit 1, a retainer device 2, a traction rope set, a cabin assembly 7, a tower 8 and an impeller assembly 9; the winch unit 1, the retainer device 2 and the impeller assembly 9 are connected through a traction rope set during assembly; the retainer device 2 is arranged at the rear end of the cabin assembly 7; the tower 8 is arranged at the bottom end of the nacelle assembly 7; the impeller assembly 9 is arranged at the front end of the nacelle assembly 7.

Further, the hoisting machine set 1 includes a first hoisting machine 101, a second hoisting machine 102, a third hoisting machine 103, and a fourth hoisting machine 104; the first winch 101, the fourth winch 104, the third winch 103 and the second winch 102 are sequentially arranged on the ground; the holder device 2 comprises an upper holder 201, a lower holder 202, a first connecting belt 204 and a second connecting belt 205; the upper retainer 201 is arranged at the upper end of the lower retainer 202 and is fixed by a bolt 203; a first fixed pulley 206 is arranged on the left side of the upper end of the upper holding frame 201, and a second fixed pulley 207 is arranged on the right side; a lifting lug 210 is arranged at the center of the upper end of the upper holder 201; a fourth fixed pulley 209 is arranged on the left side of the bottom end of the lower holding frame 202, and a third fixed pulley 208 is arranged on the right side; the middle parts of the joints of the upper holder 201 and the lower holder 202 are connected by a first connecting belt 204 and a second connecting belt 205, respectively; the traction rope group comprises a first traction rope 3, a second traction rope 4, a third traction rope 5 and a fourth traction rope 6; the impeller assembly 9 comprises a first vane 91, a second vane 92 and a third vane 93.

Further, one end of the first hauling cable 3 is wound on the first winch 101, and the other end of the first hauling cable 3 spans the first fixed pulley 206 and then is fixedly connected to the first blade 91; one end of the second traction rope 4 is wound on the second winch 102, and the other end of the second traction rope 4 spans the second fixed pulley 207 and then is fixedly connected to the second blade 92; one end of the third hauling cable 5 is wound on the third winch 103, and the other end of the third hauling cable 5 spans the third fixed pulley 208 and then is fixedly connected to the third blade 93; one end of the fourth hauling rope 6 is wound on the fourth winch 104, and the other end of the fourth hauling rope 6 spans the fourth fixed pulley 209 and then is fixedly connected to the third blade 93; through being respectively on first blade 91, second blade 92 and third blade 93 first haulage rope 3, second haulage rope 4, third haulage rope 5 and fourth haulage rope 6, be convenient for when installing impeller assembly 9, make it steadily not rock, the operation of being convenient for.

Further, the lower holder 202 is U-shaped.

Further, the bottom surface of the upper retainer 201 is attached to the upper surface of the nacelle assembly 7; the inner bottom surface of the lower retainer 202 is attached to the lower surface of the nacelle assembly 7, and a gap is left between the side surface of the lower retainer and the side surface of the nacelle assembly 7.

Further, the lengths of the first and

second connection belts

204 and 205 are each greater than the minimum length required to connect the upper and lower holders 201 and 202.

Further, the first blade 91, the second blade 92 and the third blade 93 are uniformly arranged around the impeller assembly 9.

When the device is used for construction, the retainer device 2 is fixedly arranged on the cabin assembly 7 on the ground, one ends of the first traction rope 3, the second traction rope 4, the third traction rope 5 and the fourth traction rope 6 are wound on the corresponding winches, and the other ends of the first traction rope, the second traction rope, the third traction rope and the fourth traction rope stride over the corresponding fixed pulleys on the retainer device 2 and then are fixedly connected to the corresponding blades. After that, the crane hoists the nacelle assembly 7 to which the holder device 2 has been fixed, completing the docking with the tower 8. Then, the hoisting crane hoists the impeller assembly 9 with the traction rope set fixed to the impeller assembly to start butt joint with the cabin assembly 7. In the butt joint process, the first winch 101, the second winch 102, the third winch 103 and the fourth winch 104 respectively drive the first traction rope 3, the second traction rope 4, the third traction rope 5 and the fourth traction rope 6 to move. Through the control to hoist engine group 1, four haulage ropes cooperate the jack-up crane can play the effect of adjustment impeller assembly 9 inclination and position to the butt joint is accomplished to the efficient.

After the butt joint is completed, a worker in the cabin assembly 7 climbs out of the cabin and then releases the first traction rope 3, the second traction rope 4, the third traction rope 5 and the fourth traction rope 6 from the blades of the impeller assembly 9. Then, hooking a lifting hook of the crane on a lifting lug 210 on the upper retainer 201 device; thereafter, the worker unscrews the bolt 203; at this time, due to the connection of the first connecting belt 204 and the second connecting belt 205, the upper holder 201 and the lower holder 202 will not fall off, but the inner bottom surface of the lower holder 202 will fall off from the bottom surface of the nacelle assembly 7, so that the whole holder device 2 loosens the fixed connection with the nacelle assembly 7; the crane then hoists the entire cage assembly 2 to the ground, completing the retrieval of the entire assembly.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.

Claims

1. The utility model provides a wind generating set impeller assembly docks auxiliary device which characterized in that includes: the device comprises a winch unit, a retainer device, a traction rope set, an engine room assembly, a tower drum and an impeller assembly; the winch set, the retainer device and the impeller assembly are connected through a traction rope set during assembly; the retainer device is arranged at the rear end of the engine room assembly; the tower barrel is arranged at the bottom end of the cabin assembly; the impeller assembly is arranged at the front end of the cabin assembly.

2. The wind generating set impeller assembly docking auxiliary device as claimed in claim 1, wherein the hoisting machine set comprises a first hoisting machine, a second hoisting machine, a third hoisting machine and a fourth hoisting machine; the first winch, the fourth winch, the third winch and the second winch are sequentially arranged on the ground; the retainer device comprises an upper retainer, a lower retainer, a first connecting belt and a second connecting belt; the upper retainer is arranged at the upper end of the lower retainer and is fixed through a bolt; a first fixed pulley is arranged on the left side of the upper end of the upper retainer, and a second fixed pulley is arranged on the right side of the upper end of the upper retainer; a lifting lug is arranged at the center of the upper end of the upper retainer; a fourth fixed pulley is arranged on the left side of the bottom end of the lower retainer, and a third fixed pulley is arranged on the right side of the bottom end of the lower retainer; the middle parts of the joints of the upper retainer and the lower retainer are respectively connected through a first connecting belt and a second connecting belt; the traction rope group comprises a first traction rope, a second traction rope, a third traction rope and a fourth traction rope; the impeller assembly includes a first blade, a second blade, and a third blade.

3. The wind generating set impeller assembly docking auxiliary device as claimed in claim 2, wherein one end of the first pulling rope is wound around the first winding machine, and the other end of the first pulling rope spans over the fixed pulley and is fixedly connected to the first blade; one end of the second traction rope is wound on the second winch, and the other end of the second traction rope spans the second fixed pulley and then is fixedly connected to the second blade; one end of the third traction rope is wound on the third winch, and the other end of the third traction rope spans the third fixed pulley and is fixedly connected to the third blade; one end of the fourth traction rope is wound on the fourth winch, and the other end of the fourth traction rope spans the fourth fixed pulley and then is fixedly connected to the third blade.

4. The wind generating set impeller assembly docking assistance device of claim 2, wherein the lower retainer is U-shaped.

5. The wind generating set impeller assembly docking assistance device of claim 2, wherein a bottom surface of the upper holder is attached to an upper surface of the nacelle assembly; the inner side bottom surface of the lower retainer is attached to the lower surface of the cabin assembly, and a gap is reserved between the side surface of the lower retainer and the side surface of the cabin assembly.

6. The wind generating set impeller assembly docking assistance device of claim 2, wherein the first connecting belt and the second connecting belt each have a length greater than a minimum length required to connect the upper holder and the lower holder.

7. The wind generating set impeller assembly docking assist device of claim 2, wherein the first blade, the second blade and the third blade are uniformly disposed around the impeller assembly.