CN205257816U - Be used for lifting machine in wind generating set cabin - Google Patents

Abstract

The utility model discloses a hoist used in the engine room of a wind power generating set. The hoist used in the engine room of a wind power generating set comprises an installation frame, a guide rail, a hand trolley, a chain hoist, and an electric hoist; the installation frame includes Guide rail installation frame, column, bottom installation frame; the bottom installation frame is installed on the rear engine room base, the guide rail is installed on the guide rail installation frame, the hand trolley is installed on the guide rail, and the chain hoist hook is hung in the ring of the hand trolley.

Description

A hoist used in the nacelle of a wind power generating set

technical field

The utility model relates to the field of wind power generators, in particular to a hoist used in the cabin of the wind power generator.

Background technique

At present, there is generally no hoist in the nacelle of wind turbines, and heavy objects are carried by manpower or beam cranes or cantilever cranes are used. For manpower handling, it is labor-intensive, time-consuming and labor-intensive, and has low safety; for beam cranes, It needs to be equipped with a hoist, running guide rails in two horizontal directions, and a frame supporting the guide rails, and has certain requirements for the assembly of the guide rails. The structure is large in size and heavy, and the cost is high; for the cantilever crane, in order to cover the approximate rectangle in the cabin The narrow and long working area, the cantilever and the nacelle cover all need to be specially designed, and the cost is higher.

Utility model content

Purpose of the utility model: The purpose of this utility model is to address the deficiencies in the prior art, to provide a hoist used in the nacelle of a wind power generating set, and to assemble a hoist used in a nacelle of a wind power generating set by using a plurality of commonly used components to reduce Manually carry heavy objects, reduce labor intensity, and reduce design and manufacturing costs.

Technical solution: In order to achieve the above purpose, a hoist used in the nacelle of a wind power generating set according to the utility model includes an installation frame, a guide rail, a hand trolley, a chain hoist, and an electric hoist; the installation frame includes a guide rail installation frame , column, bottom installation frame; the bottom installation frame is installed on the base of the rear engine room, the guide rail is installed on the guide rail installation frame, the hand trolley is installed on the guide rail, and the hook of the chain hoist is hung in the ring of the hand trolley.

When using, first consider the running track of the heavy object in the engine room, determine the shape and size of the guide rail accordingly, and then assemble the corresponding installation frame; lift the heavy object by the hand chain hoist, and then pull the bracelet of the hand trolley to move the whole The hoist runs along the guide rails to the position where the heavy objects are located.

Preferably, the above-mentioned hoist used in the nacelle of a wind power generating set is characterized in that the column is set at an angle of 90° to the bottom installation frame, and the guide rail installation frame is set at an angle of 90° to the column, which reduces the need for installation. Frame design and manufacturing costs.

Preferably, the above-mentioned hoist used in the nacelle of a wind power generating set is characterized in that the guide rail adopts an I-shaped steel guide rail, which is installed on the guide rail installation frame, and the shape of the I-shaped steel guide rail is determined according to the running track of the heavy object Compared with the beam crane, the structural shape is lighter; compared with the cantilever crane, the design and manufacturing costs are reduced; it can also provide lifting points and installation positions for other components. For different working positions, only need to arrange the installation frame and Guide rails, after the bracelet trolley is disassembled and moved to the required guide rails, the function can be transferred flexibly, thus expanding the working area of the hoist in the engine room.

Preferably, the above-mentioned hoist used in the nacelle of a wind power generating set is characterized in that the trolley is a bracelet-type trolley, which is installed on the guide rail and moves on the guide rail, and does not require a lot of manpower to carry it, effectively reduce the labor intensity of personnel.

Preferably, the above-mentioned hoist used in the nacelle of a wind power generating set is characterized in that the chain hoist is a detachable chain hoist, which can be disassembled and replaced in specifications. For heavy objects with larger specifications, a larger specification is selected The hand chain hoist and hand-chain trolley work together, and the operation is flexible and convenient.

Preferably, the above-mentioned hoist used in the nacelle of a wind power generating set is characterized in that it includes an electric hoist, the electric hoist is installed on the guide rail installation frame, the electric hoist is an endless chain electric hoist, and the electric hoist The machine lifts heavy objects from the ground to the cabin through the opening at the bottom of the cabin. The operation is flexible and convenient, and the structure is light and handy, reducing the occupied space.

The beneficial effects of the utility model are:

The utility model is used for a hoist in the nacelle of a wind power generating set. Due to its small structural size and small space occupation, the parts used are all commonly used parts in mechanical engineering lifting, which is easy to assemble and manufacture; and because the operation process is simple and easy , also improves the safety of on-site work and saves a lot of maintenance costs, and conveniently realizes the handling of heavy objects in the engine room, the installation or replacement of parts, the filling of lubricating grease, etc., making the maintenance and replacement of the engine room The work of parts becomes simple and easy, which effectively reduces the labor intensity of personnel, improves work efficiency, and increases work safety; compared with the manual handling, beam hoist and cantilever crane in the existing fan, the The elevator in the cabin not only reduces the labor intensity, but also greatly reduces the design and manufacturing costs; the parts used in the utility model are common parts in mechanical engineering, which are easy to purchase and have high safety. powerful.

Description of drawings

Fig. 1 is the structural representation of hand-drawn trolley in the utility model;

Fig. 2 is a schematic diagram of the overall structure of the hoist in the cabin of the utility model;

Fig. 3 is an enlarged view of the structure of the chain block in the utility model.

In the picture: 1-Installation frame, 2-Guide rail, 3-Hand trolley, 4-Hand chain hoist, 5-Electric hoist, 11-Guide rail installation frame, 12-Column, 13-Bottom installation frame, 31-Hand pull The bracelet of the trolley, 32-the suspension ring of the trolley, 41-the upper hook of the chain block, and 42-the lower hook of the chain block.

detailed description

Below in conjunction with accompanying drawing and specific embodiment, further illustrate the utility model:

Example 1

As shown in Figure 1, Figure 2, and Figure 3, a hoist used in the nacelle of a wind turbine includes an installation frame 1, a guide rail 2, a hand trolley 3, a chain hoist 4, and an electric hoist 5; the installation frame 1 includes Guide rail installation frame 11, column 12, bottom installation frame 13; Hand trolley 3 comprises the bracelet 31 of hand trolley, the ring 32 of hand trolley; Hook 42.

The relationship between the above components is as follows:

The upright column 12 and the bottom installation frame 13 are arranged at an angle of 90°, the guide rail installation frame 11 is arranged at a 90° angle with the upright column 12, the bottom installation frame 13 is installed on the base of the rear engine room, the guide rail 2 is installed on the guide rail installation frame 11, and the hand-drawn trolley 3 is installed on the guide rail 2, and the hook of the chain block 4 is hung in the ring of the hand trolley 3.

When the elevator described in the utility model is used in the nacelle of a wind power generating set, the running track of the heavy object in the nacelle should be considered first, and the shape and size of the I-beam guide rail 2 should be determined accordingly, and then the corresponding hoist should be installed. Install the frame 1, first the bottom mounting frame 13 is installed on the base of the rear nacelle, the upright column 12 is set at an angle of 90° with the bottom mounting frame 13, and the guide rail installation frame 11 is set at a 90° angle with the upright column 12, as shown in Figure 2; pull the trolley 3 Installed in the I-beam guide rail 2, as shown in Figure 1; hang the heavy object on the lower hook 42 of the chain block, and hang the upper hook 41 of the chain block on the ring 32 of the bracelet type hand trolley, as shown in Figure 3; Pull the chain block 4 to lift the heavy object to a suitable height, pull the bracelet 31 of the chain-type hand trolley, and move the whole hoist to the position where the heavy object is located along the I-beam guide rail 2.

Example 2

As shown in Figure 1, Figure 2, and Figure 3, a hoist used in the nacelle of a wind turbine includes an installation frame 1, a guide rail 2, a hand trolley 3, a chain hoist 4, and an electric hoist 5; the installation frame 1 includes Guide rail installation frame 11, column 12, bottom installation frame 13; Hand trolley 3 comprises the bracelet 31 of hand trolley, the ring 32 of hand trolley; Hook 42.

The relationship between the above components is as follows:

The upright column 12 and the bottom installation frame 13 are arranged at an angle of 90°, the guide rail installation frame 11 is arranged at a 90° angle with the upright column 12, the bottom installation frame 13 is installed on the base of the rear engine room, the guide rail 2 is installed on the guide rail installation frame 11, and the hand-drawn trolley 3 is installed on the guide rail 2, the hook of the chain hoist 4 is hung in the ring of the hand trolley 3, and the electric hoist 5 is installed on the installation frame 1.

When the elevator described in the utility model is used in the nacelle of a wind power generating set, the running track of the heavy object in the nacelle should be considered first, and the shape and size of the I-beam guide rail 2 should be determined accordingly, and then the corresponding hoist should be installed. Installation frame 1, at first bottom installation frame 13 is installed on the rear nacelle base, column 12 and bottom installation frame 13 become 90 ° angle setting, guide rail installation frame 11 and column 12 become 90 ° angle setting, guide rail installation frame 1 is also installed with The electric hoist 5, the electric hoist 5 is an electric chain hoist, and the opening at the bottom of the engine room of the electric chain hoist 5 lifts heavy objects from the ground into the engine room, as shown in Figure 2; the trolley 3 is installed on the I-beam In the guide rail 2, as shown in Figure 1; the weight is hung on the lower hook 42 of the chain block, and the upper hook 41 of the chain block is hung in the ring 32 of the bracelet type hand trolley, as shown in Figure 3; Lift the heavy object to a suitable height, pull the bracelet 31 of the bracelet type hand trolley, and the whole hoist is moved to the position where the heavy object is located along the I-beam guide rail 2.

Similarly, for the transportation of heavy objects with larger specifications, the chain block 3 and the hand chain trolley 4 with a larger specification are selected. 3 After disassembly, migrate to the required guide rail 2 to realize the transfer of functions and cover the required working area in the engine room.

The above description is only the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, some improvements can be made without departing from the principle of the present utility model, such as: adopting other forms of Guide rails, other forms of hand trolleys, other forms of lifting tools, etc., all technical solutions formed by equivalent replacement should also be regarded as the protection scope of the present utility model.

Claims (8)

1. A hoist used in the nacelle of a wind power generating set, characterized in that it includes: an installation frame (1), a guide rail (2), a trolley (3), a chain hoist (4); an installation frame (1) Including guide rail installation frame (11), upright column (12), bottom installation frame (13); the bottom installation frame (13) is installed on the base of the rear engine room, guide rail (2) is installed on the guide rail installation frame (11), and the hand trolley (3) Installed on the guide rail (2), the hook of the chain hoist (4) is hung in the ring of the hand trolley (3). 2 . The hoist used in the nacelle of a wind power generating set according to claim 1 , wherein the column ( 12 ) is arranged at an angle of 90° to the bottom installation frame ( 13 ). 3 . The hoist used in the nacelle of a wind power generating set according to claim 1 , characterized in that: the guide rail installation frame ( 11 ) is arranged at an angle of 90° to the column ( 12 ). 4. The hoist used in the nacelle of a wind power generating set according to claim 1, characterized in that: the guide rail (2) is an I-shaped steel guide rail. 5 . The hoist used in the nacelle of a wind power generating set according to claim 1 , wherein the trolley ( 3 ) is a bracelet-type trolley. 6 . 6 . The hoist used in the nacelle of a wind power generating set according to claim 1 , wherein the chain hoist ( 4 ) is a detachable chain hoist. 7 . 7. The hoist used in the nacelle of a wind power generating set according to claim 1, characterized in that it further includes an electric hoist (5), and the electric hoist (5) is installed on the guide rail installation frame (1) superior. 8. The hoist used in the nacelle of a wind power generating set according to claim 7, characterized in that: the electric hoist (5) is an electric chain hoist.