CN218909658U

CN218909658U - Traction device

Info

Publication number: CN218909658U
Application number: CN202223291087.1U
Authority: CN
Inventors: 刘磊; 杨东; 李国松; 李沛文; 陈祥召; 杨光
Original assignee: Shanghai Electric Wind Power Group Co Ltd
Current assignee: Shanghai Electric Wind Power Group Co Ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-04-25
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a traction device, which comprises a hoisting device and a frame, wherein the hoisting device is arranged on the frame, a universal cable guide is also arranged on the frame, a traction rope is wound on the hoisting device, one end of the traction rope is fixed on the hoisting device, and the other end of the traction rope passes through the universal cable guide and is connected with a towed device. The winch device is arranged on the ground, and the winch device can perform actions such as winding, unwinding, stopping and the like on the traction rope; the traction rope is connected to the blade, and the air position or the air posture of the blade can be adjusted by adjusting the length of the traction rope; the universal cable guide guides the passing traction rope, so that the blade shaking caused by the fluctuation of the traction rope in the action process is avoided, and the safety of equipment and staff is threatened.

Description

Traction device

Technical Field

The utility model relates to the field of blade traction equipment, in particular to a traction device.

Background

When the blades of the wind driven generator are hoisted to the half space, because the windward area of the blades is large, if the wind power level is higher, the blades are difficult to keep balance, and then the accurate alignment of the blades and the fan hub is affected. In order to stabilize the aerial attitude of the blade during hoisting, a special cable wind traction device is usually arranged. The conventional traction forms are: 1. operators on the ground manually pull the cable wind ropes, adjust the direction and the position of the blades by matching with a crane according to instructions of hoisting command staff, and easily cause damage to fan equipment or personnel when the wind power is large; 2. the traction device is arranged on the tractor, the posture of the blade is adjusted by moving the position of the tractor, and the tractor needs a larger installation space; 3. the cable wind traction device is arranged on the arm frame of the crane, so that the requirement on the crane is high, and the loading of the arm frame is increased.

The position of the tractor is adjusted by moving the position of the tractor, and the position of the tractor is required to be adjusted while the winch device is adjusted, so that the adjustment process is complex, the precision is low, and a larger ground adjustment space is required.

Disclosure of Invention

The utility model aims to solve the technical problems that in the prior art, the operation process of towing and hoisting blades by a tractor is complex, the towing precision is low, and a larger ground adjustment space is needed.

The utility model solves the technical problems by the following technical scheme:

the utility model provides a traction device which comprises a hoisting device and a frame, wherein the hoisting device is arranged on the frame, a universal cable guide is further arranged on the frame, a traction rope is wound on the hoisting device, one end of the traction rope is fixed on the hoisting device, and the other end of the traction rope penetrates through the universal cable guide and then is connected with a towed device.

In this scheme, during the hoist and mount, the blade removes along with the removal of loop wheel machine hoist and mount, and when the blade took place the angle change, universal cable guider can rotate in step along with the rotation of haulage rope, guarantees that the haulage rope can not appear sliding, and then prevents that the blade from rocking. The body of the hoisting device has a large weight, and the frame is arranged, so that the hoisting device is convenient to limit.

Preferably, the height of the wire inlet end of the universal cable guide is lower than the height of the wire outlet end of the winding device.

In this scheme, push down the haulage rope at the high of cable guide wire end, the haulage rope produces certain tension in universal cable guide department, and the haulage rope produces the clamp force with the surface of universal cable guide, can promote the stability of wind.

Preferably, a ground anchor bolt is mounted to the bottom of the frame, the ground anchor bolt being used to secure the frame to the ground.

In this scheme, when hoisting the blade, need fix hoist device subaerial, fix through adopting the earth anchor bolt after fixing hoist device on the frame.

Preferably, the frame is provided with a counterweight.

In this scheme, through setting up the balancing weight, prevent that hoist device from overturning on the frame.

Preferably, the counterweight is disposed at an end of the frame remote from the hoisting device.

In this scheme, the balancing weight sets up the one side of keeping away from hoist device on the frame, balanced hoist device that can be better prevents that the frame atress is uneven, leads to the installation unstable.

Preferably, the winding device and the universal cable guide are provided with two groups, the two groups of winding devices are respectively provided with a first traction rope and a second traction rope, and the first traction ropes and the second traction ropes respectively penetrate through the universal cable guide and then are connected to the same blade.

In this scheme, adjust the length of first haulage rope and second haulage rope respectively, correspondingly, can adjust the head end of blade, the height of tail end, and then adjust the gesture of blade, be convenient for install the blade to wheel hub on. And when the blades ascend, the two ends of the blades are pulled, so that the blades are prevented from shaking.

Preferably, the winding device comprises a driving motor, and the driving motor is electrically connected to the electric control cabinet.

In the scheme, the electric control cabinet sends a control signal to the hoisting device to control the hoisting device to start, stop or rotate positively and negatively.

Preferably, the electric control cabinet is connected with a remote control device through signals.

In the scheme, the remote control device is arranged, so that the action of the winch can be controlled by remote operation, and a worker can conveniently adjust the winch in real time, namely adjust the length of the hauling rope, and then adjust or maintain the posture of the blade.

The utility model has the positive progress effects that: the hoisting device is arranged on the ground, and the hoisting device performs actions such as winding, unwinding, stopping and the like on the traction rope; the traction rope is connected to the blade, and the air position or the air posture of the blade can be adjusted by adjusting the length of the traction rope; the universal cable guide guides the passing traction rope, so that the blade shaking caused by the fluctuation of the traction rope in the action process is avoided, and the safety of equipment and staff is threatened.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic view of the working state of the present utility model;

FIG. 4 is a schematic view of the working state of the present utility model;

description of the reference numerals

Winding device 1

Universal cable guide 2

Frame 3

Counterweight 4

Ground anchor bolt 5

Blade 6

Impeller 7

Detailed Description

The utility model is further illustrated by means of the following examples, which are not intended to limit the scope of the utility model.

Referring to fig. 1 to 2, the device comprises a hoisting device 1 and a frame 3, wherein the hoisting device 1 is arranged on the frame, a universal cable guide 2 is further arranged on the frame 3, a traction rope is wound on the hoisting device 1, one end of the traction rope is fixed on the hoisting device 1, and the other end of the traction rope passes through the universal cable guide 2 and then is connected with a towed device.

Before hoisting, a hoisting device 1 and a universal cable guide 2 are arranged in the field, and a traction rope stored on the hoisting device 1 is connected with a hoisting tool on the blade 6 after passing through the universal cable guide 2. When the blade 6 is hoisted, the hoisting height of the blade 6 is realized by shortening the length of a hoisting rope on the crane, and the hoisting device 1 releases the hoisting rope to ascend along with the blade 6; in order to stabilize the aerial posture of the blade 6, the length of the traction rope on the hoisting device 1 is synchronously adjusted, the lifting speed of the blade 6 is the same as that of the traction rope, the traction rope has certain traction tension, the traction stability can be ensured, and the blade 6 has stronger wind load resistance when lifting.

The both ends of blade 6 are provided with the hoist, and the haulage rope passes through the shackle to be connected to in the earhole that the hoist reserved, and blade 6 can not direct atress to draw gear can not produce the damage to blade 6 surface.

The traction device is not affected by the installation mode of the blade 6 (vertical installation or horizontal installation); the attitude of the blade can be controlled by completely relying on the traction device without additionally relying on a main crane.

The height of the wire inlet end of the universal cable guide 2 is lower than the height of the wire outlet end of the winding device 1. The traction rope generates certain tension at the position of the universal cable guide 2, and the traction rope and the surface of the universal cable guide 2 generate compaction force, so that the stability of wind can be improved. The angle of adjustment scope of universal cable guide 2 is wide, and universal cable guide 2 rotates along with the rotation of haulage rope, guarantees that the haulage rope can not appear sliding, and then prevents that blade 6 from rocking.

The bottom of the frame 3 is mounted with ground anchor bolts 5, the ground anchor bolts 5 being used to fix the frame 3 to the ground. The winch device 1 generally adopts the existing winch or a winch, and the body of the winch device has a large weight; when the blade 6 is hoisted, the hoisting device 1 needs to be fixed on the ground, the connection between the hoisting device 1 and the ground is inconvenient, and the hoisting device 1 is fixed on the frame 3 and then fixed by adopting the ground anchor bolts 5.

In other embodiments, other securing means may be used to secure the frame 3.

The counterweight 4 is arranged on the frame 3, so that when the winch device 1 is placed on the frame 3 and the frame 3 is not fixed due to the heavy weight of the winch device 1 such as a winch body, the frame 3 may be overturned; to prevent overturning, the weight 4 is placed on the frame 3, so that the weight of the hoisting device 1 can be balanced, and the frame 3 can be prevented from overturning.

The counterweight 4 is arranged at the end of the frame 3 remote from the hoisting device 1. The stability of the installation of the winding apparatus 1 can be improved.

Referring to fig. 3 to 4, fig. 3 is a schematic diagram of a working state of a traction rope in a hoisting process of a blade 6, fig. 4 is a schematic diagram of a working state of a traction rope when the blade 6 is installed, two groups of hoisting devices 1 and universal cable guides 2 are arranged, a first traction rope and a second traction rope are respectively wound on the two groups of hoisting devices 1, and the first traction rope and the second traction rope are respectively connected to two ends of the same blade 6 after passing through the cable guides 2. The lengths of the first traction rope and the second traction rope are respectively adjusted, and accordingly, the heights of the head end and the tail end of the blade 6 can be adjusted, and then the posture of the blade 6 is adjusted, so that the blade 6 is conveniently mounted on the hub of the impeller 7.

The hoisting device 1 comprises a driving motor which is electrically connected to the electric control cabinet. The driving motor rotates to drive the rotating shaft where the traction rope in the hoisting device 1 is positioned to rotate, and the electric control cabinet sends a signal to the driving motor to drive the traction rope to ascend, descend or stop moving. The electric control cabinet and the driving motor belong to the prior art.

The electric control cabinet is connected with a remote control device through signals, and the working induction distance of the remote control device exceeds the installation height of the blade 6. The signal transmission between the electric control cabinet and the remote control device can be wireless signal transmission, which belongs to the prior art; the remote control device sends out a signal to the electric control cabinet, and the electric control cabinet sends out an electric signal to control the action of the driving motor; the working induction distance of the remote control device exceeds the installation height of the blade 6, so that a worker can adjust the length of the traction rope at the installation position of the blade 6, can closely observe the position of the blade 6, is convenient for adjusting the installation posture of the blade 6, and improves the installation efficiency.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims

1. The utility model provides a draw gear, includes hoist device, frame, hoist device installs on the frame, its characterized in that: the frame is also provided with a universal cable guide, the winding device is wound with a traction rope, one end of the traction rope is fixed on the winding device, and the other end of the traction rope passes through the universal cable guide and then is connected with the towed device.

2. The traction device of claim 1, wherein: the height of the wire inlet end of the universal cable guide is lower than that of the wire outlet end of the winding device.

3. The traction device of claim 1, wherein: the bottom of the frame is provided with a ground anchor bolt which is used for fixing the frame on the ground.

4. The traction device of claim 1, wherein: and the frame is provided with a balancing weight.

5. The traction device of claim 4, wherein: the balancing weight is arranged at one end, far away from the hoisting device, of the frame.

6. The traction device of claim 1, wherein: the hoisting device and the universal cable guide are provided with two groups, the two groups of hoisting devices are respectively provided with a first traction rope and a second traction rope in a winding mode, and the first traction rope and the second traction rope respectively penetrate through the universal cable guide and then are connected to the same blade.

7. The traction device of claim 1, wherein: the hoisting device comprises a driving motor, and the driving motor is electrically connected to the electric control cabinet.

8. The traction device of claim 7, wherein: and the electric control cabinet is connected with a remote control device through signals.