CN216812037U

CN216812037U - Prevent turning round cable structure in wind generating set tower section of thick bamboo

Info

Publication number: CN216812037U
Application number: CN202220558840.XU
Authority: CN
Inventors: 孙健; 张杨; 徐常领
Original assignee: Qingdao Tianyuan Jieneng Equipment Manufacturing Co ltd
Current assignee: Qingdao Tianyuan Jieneng Equipment Manufacturing Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-06-24
Anticipated expiration: 2032-03-15

Abstract

The utility model discloses an anti-over-twisting cable structure in a tower barrel of a wind generating set, which comprises a vertical shaft, wherein the upper end of the vertical shaft is rotatably connected with the wind generating set, the side wall of the wind generating set is fixedly connected with a guide wheel, one side of the wind generating set is provided with a conducting wire, the conducting wire passes through the guide wheel, the vertical shaft is symmetrically and fixedly provided with transverse shafts, one ends of the two transverse shafts are respectively connected with a wire coil in a sliding manner, the wire coils are respectively and fixedly connected with arc-shaped sliding sleeves in a symmetrical manner, the middle parts of the inner walls of the two arc-shaped sliding sleeves are respectively and fixedly connected with a fixed block, and the two fixed blocks are respectively and rotatably connected with a first inclined rod. According to the utility model, redundant wires are wound on the wire coil through the wire coil, when the wind generating set drives the wires to twist, the wires can be changed into a spiral shape when twisted, and part of the wires can be wound on the wire coil under the cooperation of the guide wheels, so that the number of turns of the wires can be reduced, the wires are prevented from being broken, and safety accidents are reduced.

Description

Prevent turning round cable structure in wind generating set tower section of thick bamboo

Technical Field

The utility model relates to the technical field of wind generating sets, in particular to an anti-over-twisting cable structure in a tower barrel of a wind generating set.

Background

The wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; it has the functions of wind driven blade rotation to generate electricity, generator head rotation, etc. The wind power generation power supply comprises a wind generating set, a tower for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like; when the wind generating set generates electricity, the output electric frequency is ensured to be constant. The wind-solar hybrid power generation system is very necessary for wind turbine grid-connected power generation and wind-solar hybrid power generation. The constant rotating speed of the generator is ensured in one mode, namely the constant-speed constant-frequency operation mode, and the generator is driven by the wind turbine through the transmission device to operate, so that the rotating speed of the wind turbine is undoubtedly required to be constant, and the conversion efficiency of wind energy is influenced in the mode; the other mode is that the rotating speed of the generator changes along with the wind speed, and the constant frequency of the output electric energy is ensured by other means, namely, the variable-speed constant-frequency operation is realized.

Currently, the generator of the wind generating set is generally placed in a cabin (usually located at an altitude of several tens of meters or even hundreds of meters) at the top of a tower, the electricity generated by the generator needs to be transmitted to the ground through a cable so as to collect and transmit the electric energy to a power grid, and the cable is laid vertically downwards from the cabin along the direction of gravity inside the tower. As is well known, a flexible torsion-resistant cable (a twisted cable for short) output by a main machine of a wind generating set is transferred into a tower; when the wind direction changes and a fan deflects along with the wind direction, the cable is easy to twist, the cable can only bear twisting for 3 circles at most, when the twisting exceeds the twisting range of the cable, the cable can be broken, equipment safety accidents can be caused, and the loss caused by the breakage is very large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, when the wind direction changes and a fan deflects along with the wind direction, a cable is easy to twist, the cable can only bear twisting for 3 turns at most, and when the twisting exceeds the twisting range of the cable, the cable can be broken, so that equipment safety accidents are caused, and the loss is very large.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent turning round cable structure in a wind generating set tower section of thick bamboo, includes the vertical axis, the vertical axis upper end is rotated and is connected wind generating set, wind generating set lateral wall fixed connection guide pulley, wind generating set one side is provided with the wire, the wire passes the guide pulley, the vertical axis symmetry is fixed and is provided with the cross axle, and is two sets of the same drum of the equal sliding connection of cross axle one end, the equal symmetrical fixed connection arc sliding sleeve of drum, two the equal fixed connection fixed block in arc sliding sleeve inner wall middle part, two the fixed block all rotates and connects first down tube, two first down tube one end is all rotated and is connected the second down tube, two the equal fixed connection of second down tube one end and vertical axis lateral wall, drum winding many rings of wire.

Preferably, the side walls of the cross shaft are symmetrically and slidably connected with the sliding plates, one side wall of each of the two sliding plates is fixedly connected with the spiral spring, and the spiral springs are sleeved on the cross shaft.

Preferably, the length of the two first inclined rods is greater than that of the second inclined rods, and the two first inclined rods and the second inclined rods are made of the same material.

Preferably, the side wall of the wire coil is a concave surface, and the side wall of the concave surface is provided with a rough layer.

Preferably, the cross shaft is made of alloy steel, and the side walls of the cross shaft are provided with lubricating liquid.

Preferably, the drum has alloy stamping forming, the drum lateral wall is provided with anticorrosive coating.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, redundant wires are wound on the wire coil through the wire coil, when the wind generating set drives the wires to be twisted, the wires are changed into a spiral shape when being twisted, and part of the wires can be wound on the wire coil under the cooperation of the guide wheels, so that the number of turns of the wires is reduced, the wires are prevented from being broken, and safety accidents are reduced;

2. according to the utility model, the cross shaft, the first diagonal rod, the second diagonal rod, the sliding plate and the spiral spring are matched for use, when the wire is tensioned, the wire can drive the wire coil to rotate, and in the rotation process of the wire coil, part of the spiral spring can be compressed, so that a buffering effect is achieved, the wire is prevented from being broken by the wind generating set, the service life of the cable is prolonged, and the cost is reduced.

Drawings

FIG. 1 is a schematic structural view of an anti-over-twisting cable structure in a tower of a wind turbine generator system according to the present invention;

FIG. 2 is a schematic cross-shaft connection structure diagram of an anti-over-twisting cable structure in a tower cylinder of a wind turbine generator system.

In the figure: the wind generating set comprises a vertical shaft 1, a wind generating set 2, a guide wheel 3, a guide wire 4, a transverse shaft 5, a wire coil 6, an arc-shaped sliding sleeve 7, a fixed block 8, a first inclined rod 9, a second inclined rod 10, a sliding plate 11, a spiral spring 12 and a concave surface 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, an excessive cable twisting prevention structure in a tower barrel of a wind generating set comprises a vertical shaft 1, the upper end of the vertical shaft 1 is rotatably connected with a wind generating set 2, a guide wheel 3 is fixedly connected with the side wall of the wind generating set 2, a wire 4 is arranged on one side of the wind generating set 2, the wire 4 penetrates through the guide wheel 3, transverse shafts 5 are symmetrically and fixedly arranged on the vertical shaft 1, one ends of two groups of transverse shafts 5 are respectively and slidably connected with a same wire coil 6, the wire coils 6 are respectively and symmetrically and fixedly connected with arc-shaped sliding sleeves 7, fixing blocks 8 are respectively and fixedly connected with the middle portions of the inner walls of the two arc-shaped sliding sleeves 7, the two fixing blocks 8 are respectively and rotatably connected with first inclined rods 9, one ends of the two first inclined rods 9 are respectively and rotatably connected with second inclined rods 10, one ends of the two second inclined rods 10 are respectively and fixedly connected with the side wall of the vertical shaft 1, and the wire coils 6 are wound with a plurality of wires 4. The redundant wire 4 is wound on the wire coil 6 through the wire coil 6, when the wind generating set 2 drives the wire 4 to twist, the wire 4 can be changed into a spiral shape when twisting, and part of the wire 4 can be wound on the wire coil 6 under the matching of the guide wheel 3, so that the number of turns of the wire 4 is reduced, the wire 4 is prevented from being broken, and safety accidents are reduced.

The side walls of the two cross shafts 5 are symmetrically and slidably connected with the sliding plates 11, one side wall of each of the two groups of sliding plates 11 is fixedly connected with the spiral springs 12, and the two groups of spiral springs 12 are sleeved on the cross shafts 5. In the rotating process of the wire coil 6, part of the spiral spring 12 can be compressed, the buffering effect is achieved, the wind generating set 2 is prevented from breaking the wire 4, the service life of the cable is prolonged, and the cost is reduced.

The length of the two first inclined rods 9 is greater than that of the second inclined rod 10, and the two first inclined rods 9 and the second inclined rod 10 are made of the same material. The same convenient future maintenance of material and change accessory.

The side wall of the wire coil 6 is provided with a concave surface 13, and the side wall of the concave surface 13 is provided with a rough layer. Therefore, the wires 4 can be wound for a plurality of turns conveniently, and the wires 4 are prevented from being broken due to the fact that the wires 4 are too short.

The two cross shafts 5 are made of alloy steel, and the side walls of the two cross shafts 5 are provided with lubricating liquid. The sliding of the plurality of groups of baffles on the transverse shaft 5 is improved, and the working efficiency is improved.

The wire coil 6 is formed by alloy punch, and the side wall of the wire coil 6 is provided with an anticorrosive coating. The overall strength of the wire coil 6 is improved, and the service life is prolonged.

The utility model winds the redundant lead 4 on the wire coil 6 through the wire coil 6, when the wind generating set 2 drives the lead 4 to twist, the lead 4 can be changed into a spiral shape when twisting, under the coordination of the guide wheel 3, part of the lead 4 can be wound on the wire coil 6, thus the number of twisting turns of the lead 4 is reduced, the lead 4 is prevented from being broken, the safety accidents are reduced, when the lead 4 is tensioned, the lead 4 can drive the wire coil 6 to rotate, the wire coil 6 drives the two arc-shaped sliding sleeves 7 to rotate, the two arc-shaped sliding sleeves 7 drive the fixed blocks 8 to rotate, the two fixed blocks 8 pull the first inclined rods 9, the included angles between the two first inclined rods 9 and the second inclined rods 10 are changed, the two second inclined rods 10 can extrude the corresponding sliding plates 11, the two sliding plates 11 can extrude the corresponding spiral springs 12, and part of the spiral springs 12 are compressed, thereby achieving the buffering effect, the wind generating set 2 is prevented from breaking the conducting wire 4, so that the service life of the cable is prolonged, and the cost is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a prevent turning round cable structure in wind generating set tower section of thick bamboo, includes vertical axis (1), its characterized in that, vertical axis (1) upper end is rotated and is connected wind generating set (2), wind generating set (2) lateral wall fixed connection guide pulley (3), wind generating set (2) one side is provided with wire (4), wire (4) pass guide pulley (3), vertical axis (1) symmetry is fixed and is provided with cross axle (5), and two sets of equal sliding connection of cross axle (5) one end is same drum (6), equal symmetrical fixed connection arc sliding sleeve (7) of drum (6), two equal fixed connection fixed block (8) in arc sliding sleeve (7) inner wall middle part, two fixed block (8) all rotates and connects first down tube (9), two first down tube (9) one end all rotates and connects second down tube (10), two equal fixed connection of second down tube (10) one end and vertical axis (1) lateral wall, drum (6) winding many circles wire (4).

2. The structure of claim 1, wherein the lateral walls of the two transverse shafts (5) are symmetrically and slidably connected with sliding plates (11), one lateral wall of each of the two groups of sliding plates (11) is fixedly connected with a coil spring (12), and the two groups of coil springs (12) are sleeved on the transverse shafts (5).

3. The structure of claim 1, wherein the length of the two first diagonal members (9) is greater than that of the second diagonal member (10), and the two first diagonal members (9) and the second diagonal member (10) are made of the same material.

4. The anti-over-twisting cable structure in the tower of the wind generating set according to claim 1, wherein the side wall of the wire coil (6) is provided with a concave surface (13), and the side walls of the concave surface (13) are provided with rough layers.

5. The structure of claim 1, wherein the two cross shafts (5) are made of alloy steel, and the side walls of the two cross shafts (5) are provided with lubricating liquid.

6. The structure of claim 1, wherein the wire coil (6) is formed by stamping alloy, and the side wall of the wire coil (6) is provided with an anti-corrosion coating.