CN216252456U

CN216252456U - Wind turbine generator rotor several-shaped conductive bar structure

Info

Publication number: CN216252456U
Application number: CN202122301621.1U
Authority: CN
Inventors: 闫云强; 石宇; 张晋宇; 金满; 郝龙伟; 何源; 潘博; 靖天宇
Original assignee: State Power Electric Power Inner Mongolia New Energy Development Co ltd
Current assignee: State Power Electric Power Inner Mongolia New Energy Development Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-08
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a wind turbine generator rotor inverted V-shaped conductive bar structure, which comprises an upper conductive bar, a rotor coil, oxyacetylene, a lower conductive bar, a rotating shaft, a conversion assembly and a cable, wherein the lower conductive bar can be stored in advance for later use by arranging the conversion assembly on the rotating shaft and rotating insulating blocks at the upper end and the lower end of a disc, so that the lower conductive bar can be quickly replaced, the maintenance and installation time is saved, when the lower conductive bar is replaced, a sliding plate downwards compresses air and transmits the air to an opening at the upper end of a blowing pipe to blow onto the lower conductive bar in the insulating block which rotates from bottom to top, the dust on the surface of the lower conductive bar which is placed for a long time can be conveniently removed, and the surface cleanliness of the lower conductive bar is improved; through having set up the centre gripping subassembly in the rolling disc side, the clamp splice at both ends removes in opposite directions and is fixed to the centre gripping of cable upper end, improves the stability of being connected between cable and the lower conductive row, reduces whole influence of rocking the production.

Description

Wind turbine generator rotor several-shaped conductive bar structure

Technical Field

The utility model relates to the technical field of wind energy comprehensive utilization, in particular to a wind turbine generator rotor V-shaped conductive bar structure.

Background

In wind power generation, a generator is a core device of a wind power generation device, a rotor of the generator plays an important role in a power generation process, a lead-out wire is one of important components for leading three-phase current of the rotor of the generator to a frequency converter, and when the generator runs, a rotor conductive bar is subjected to comprehensive acting forces of centrifugal force, electromagnetic force, thermal stress and the like, so that the reliability requirement of the structure of the rotor conductive bar is high, and the requirement for improving the reliability of the structure of the conductive bar is particularly urgent.

Several types of electrically conductive row install and use in the pivot, and several types of electrically conductive row often be single setting, when electrically conductive row changes down, still need self to carry another electrically conductive row down, reduces the speed of electrically conductive row change down, and the cable when receiving external force fixed, often with including the cable parcel, comparatively inconvenient when dismantling the cable.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the problem of the structure of the wind turbine generator rotor conducting bar in the shape of the Chinese character 'ji' is solved.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a V-shaped conductive bar structure of a generator rotor of a wind turbine generator, which comprises an upper conductive bar, a rotor coil, oxyacetylene, a lower conductive bar, a rotating shaft, a conversion assembly and a cable, wherein the upper end of the upper conductive bar is welded with the rotor coil, the lower end of the upper conductive bar is welded with the upper end of the lower conductive bar through oxyacetylene, the rotating shaft is arranged below the rotor coil, the right end of the lower conductive bar is connected with the cable, the lower part of the conversion assembly is contacted with the rotating shaft, the conversion assembly comprises a groove, a sliding plate, a spring, a blow pipe, a rotating disc, an insulating block and a clamping assembly, the groove is arranged at the right end of the rotating shaft, the inner side surface of the groove is contacted with the sliding plate, the bottom of the sliding plate is elastically connected with the spring, the left end of the bottom of the groove is connected with the blow pipe, the rotating disc is connected with the upper end of the groove through a support frame, and the insulating block is connected with the side surfaces of the upper end and the lower end of the rotating disc, the left side face and the right side face of the rotating disc are connected with clamping assemblies.

Furthermore, the clamping assembly comprises a connecting plate, a screw rod, a handle, a sliding block and a clamping block, the connecting plate is connected with the left side face and the right side face of the rotating disc, the left end in the connecting plate is rotatably connected with the screw rod, the front end of the screw rod is fixedly connected with the handle, threads on the side face of the screw rod are in threaded connection with the sliding block, and the right end of the sliding block is fixedly connected with the clamping block.

Furthermore, a drying agent bag is laid at the bottom end of the groove.

Furthermore, the groove is matched with the sliding plate in structure, and the groove is tightly contacted with the side surface of the sliding plate.

Furthermore, the insulating blocks and the clamping assemblies are provided with two groups and are arranged on four sides of the rotating disc.

Furthermore, an opening at the upper end of the blow pipe is positioned in the middle of the connecting end of the insulating block and the lower conducting bar on the rotating disc.

Furthermore, the threads at the front end and the rear end of the screw rod are reverse, and two groups of sliding blocks and clamping blocks are arranged.

Furthermore, the clamping blocks are of concave structures, and insulating layers are arranged on the concave side faces in the clamping blocks.

(III) advantageous effects

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

1) according to the structure of the n-shaped conductive bar of the generator rotor of the wind turbine generator, the conversion assembly is arranged on the rotating shaft, the insulating blocks at the upper end and the lower end of the rotating disc can be used for storing a standby lower conductive bar in advance, the lower conductive bar can be quickly replaced, the lower conductive bar can be installed to achieve the effects of positioning and angle adjustment, maintenance and installation time is saved, compressed air downwards transmitted to the opening at the upper end of the blowing pipe by the sliding plate when the lower conductive bar is replaced is blown to the lower conductive bar in the insulating block rotating from the lower end to the upper end, dust on the surface of the lower conductive bar which is placed for a long time can be conveniently removed, and the surface cleanliness of the lower conductive bar is improved.

2) Through having set up the centre gripping subassembly in the rolling disc side, the clamp splice at both ends removes in opposite directions and is fixed to the centre gripping of cable upper end, improves the stability of being connected between cable and the lower conductive row, reduces whole influence of rocking the production.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the rotary disk according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a clamping assembly according to the present invention.

In the figure: the device comprises an upper conducting bar-1, a rotor coil-2, oxyacetylene-3, a lower conducting bar-4, a rotating shaft-5, a conversion assembly-6, a cable-7, a groove-61, a sliding plate-62, a spring-63, a blow pipe-64, a rotating disc-65, an insulating block-66, a clamping assembly-67, a connecting plate-671, a lead screw-672, a handle-673, a sliding block-674 and a clamping block-675.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1, the present invention provides a structure of a conducting bar with a shape like a Chinese character 'ji' for a generator rotor of a wind turbine generator: the rotor comprises an upper conducting bar 1, a rotor coil 2, oxyacetylene 3, a lower conducting bar 4, a rotating shaft 5, a conversion component 6 and a cable 7, wherein the upper end of the upper conducting bar 1 is welded with the rotor coil 2, the lower end of the upper conducting bar 1 is welded with the upper end of the lower conducting bar 4 through the oxyacetylene 3, the rotating shaft 5 is arranged below the rotor coil 2, the right end of the lower conducting bar 4 is connected with the cable 7, and the lower part of the conversion component 6 is in contact with the rotating shaft 5.

Referring to fig. 1, 2 and 3, the present invention provides a delta-shaped conducting bar structure of a generator rotor of a wind turbine generator, wherein a conversion assembly 6 comprises a groove 61, a sliding plate 62, a spring 63, a blow pipe 64, a rotating disc 65, an insulating block 66 and a clamping assembly 67, the groove 61 is arranged at the right end of a rotating shaft 5 and can provide a moving space for the rotation of the rotating shaft, the inner side surface of the groove 61 is in contact with the sliding plate 62, the sliding plate 62 can extrude the air in the groove 61 and transmit the air into the blow pipe 64, the bottom of the sliding plate 62 is elastically connected with the spring 63 and can provide reset power for the sliding plate 62, the left end of the bottom of the groove 61 is connected with the blow pipe 64 and can transmit the air in the groove 61 into the blow pipe 64, the rotating disc 65 is connected with the upper end of the groove 61 through a support frame and can provide a support effect for the rotating disc 65, the insulating block 66 is connected with the side surfaces of the upper and lower ends and the left and right sides of the rotating disc 65 are connected with the clamping assembly 67, the cable 7 is clamped and fixed conveniently, the desiccant bag is laid at the bottom end of the groove 61, the groove 61 and the sliding plate 62 are structurally identical, the groove 61 is in close contact with the side face of the sliding plate 62, the compression effect of the inner air is improved, the two groups of insulation blocks 66 and the clamping assembly 67 are arranged and are mounted on the four sides of the rotating disc 65, and the opening at the upper end of the blow pipe 64 is located in the middle of the connecting end of the insulation block 66 on the rotating disc 65 and the lower conducting bar 4.

Referring to fig. 4, the present invention provides a v-shaped conducting bar structure of a generator rotor of a wind turbine generator, wherein a clamping assembly 67 includes a connecting plate 671, a lead screw 672, a handle 673, a sliding block 674 and a clamping block 675, the connecting plate 671 is connected with the left and right sides of a rotating disc 65 so as to rotate along with the rotating disc 65, the left end in the connecting plate 671 is rotatably connected with the lead screw 672 and can provide power, the front end of the lead screw 672 is fixedly connected with the handle 673, the lead screw 672 is driven by the handle 673 to rotate, the side thread of the lead screw 672 is in threaded connection with the sliding block 674, the right end of the sliding block 674 is fixedly connected with the clamping block 675 so as to drive the clamping block 675 to move, the front and rear end threads of the lead screw 672 are in opposite directions, two sets of the sliding block 674 and the clamping block 675 are provided, the clamping block 675 is in a concave structure, and an insulating layer is provided on the concave side in the clamping block 675.

The utility model provides a wind turbine generator rotor inverted V-shaped conducting bar structure through improvement, and the working principle is as follows;

firstly, when the equipment is used, the device is firstly placed in a working area, and then the equipment is connected with an external power supply, so that the required electric energy can be provided for the work of the equipment;

secondly, when the lower conductive bar 4 is replaced, the lower conductive bar 4 is separated from the welding position of the oxyacetylene 3, power can be applied to the handle 673, the handle 673 can drive the lead screw 672 to rotate, the lead screw 672 can drive the sliding blocks 674 at two ends to move oppositely while rotating, the sliding blocks 674 can drive the clamping blocks 675 at two ends to separate oppositely while moving, the clamping on the upper end of the cable 7 is lost, and then the lower conductive bar 4 can be separated from the cable 7;

thirdly, power is applied to the rotating disc 65, the lower conducting bar 4 placed in the insulating block 66 at the lower end of the rotating disc 65 rotates upwards, the original lower conducting bar 4 can be converted to the lower end of the rotating disc 65, the lower conducting bar 4 can be replaced quickly, a standby lower conducting bar 4 can be stored in advance, and maintenance and installation time is saved;

fourthly, when the insulating block 66 at the upper end of the rotating disc 65 is switched to the lower end, the insulating block 66 at the upper end can apply extrusion force to the sliding plate 62 after rotating for a certain angle, the sliding plate 62 can compress the spring 63 downwards, the sliding plate 62 can move downwards and can extrude air in the inner part to enter the blow pipe 64 and extend upwards to the upper end of the blow pipe 64, the air is blown to the lower conductive bar 4 in the insulating block 66 which rotates to the upper part from the lower part through the opening at the upper end of the blow pipe 64, so that dust on the surface of the lower conductive bar 4 which is placed for a long time can be conveniently removed, and the surface finish degree of the lower conductive bar 4 is improved;

fifthly, then the lower conducting bar 4 can be connected with the upper conducting bar 1 and the cable 7, then the upper end of the cable 7 is placed in the clamping blocks 675 at the two ends, power is applied to the handle 673, the handle 673 drives the clamping blocks 675 at the two ends to move in opposite directions through the lead screw 672 and clamp and fix the upper end of the cable 7, the stability of connection between the cable 7 and the lower conducting bar 4 is improved, and the influence caused by overall shaking is reduced.

According to the structure of the inverted V-shaped conductive bar of the generator rotor of the wind turbine generator, the conversion component 6 is optimally arranged on the rotating shaft 5, the insulating blocks 66 at the upper end and the lower end of the rotating disc 65 can be used for storing the standby lower conductive bar 4 in advance, so that the lower conductive bar 4 can be quickly replaced, the maintenance and installation time is saved, when the lower conductive bar 4 is replaced, the sliding plate 62 transmits downward compressed air to the upper end opening of the blowing pipe 64 and blows the compressed air to the lower conductive bar 4 in the insulating block 66 which rotates from bottom to top, the dust on the surface of the lower conductive bar 4 which is placed for a long time can be conveniently removed, and the surface cleanliness of the lower conductive bar 4 is improved; through having set up centre gripping subassembly 67 in the rolling disc 65 side, the clamp splice 675 at both ends removes in opposite directions and is fixed to cable 7 upper end centre gripping, improves the stability of being connected between cable 7 and the lower conductive row 4, reduces the influence that whole rocking produced.

Claims

1. A structure of a wind turbine generator rotor conducting bar in a shape like a Chinese character 'ji' comprises an upper conducting bar (1) and a cable (7), wherein the upper end of the upper conducting bar (1) is welded with a rotor coil (2), the lower end of the upper conducting bar (1) is welded with the upper end of a lower conducting bar (4) through oxyacetylene (3), a rotating shaft (5) is arranged below the rotor coil (2), and the right end of the lower conducting bar (4) is connected with the cable (7);

the method is characterized in that: the automatic welding device is characterized by further comprising a conversion assembly (6), wherein the lower portion of the conversion assembly (6) is in contact with the rotating shaft (5), the conversion assembly (6) comprises a groove (61), a sliding plate (62), a spring (63), a blow pipe (64), a rotating disc (65), an insulating block (66) and a clamping assembly (67), the groove (61) is formed in the right end of the rotating shaft (5), the inner side face of the groove (61) is in contact with the sliding plate (62), the bottom of the sliding plate (62) is elastically connected with the spring (63), the left end of the bottom of the groove (61) is connected with the blow pipe (64), the rotating disc (65) is connected with the upper end of the groove (61) through a supporting frame, the insulating block (66) is connected to the side faces of the upper end and the lower end of the rotating disc (65), and the clamping assembly (67) is connected to the left side face and the right side face of the rotating disc (65).

2. The wind turbine generator rotor inverted-V-shaped conducting bar structure according to claim 1, characterized in that: the clamping assembly (67) comprises a connecting plate (671), a screw rod (672), a handle (673), a sliding block (674) and a clamping block (675), the connecting plate (671) is connected with the left side face and the right side face of the rotating disc (65), the left end in the connecting plate (671) is rotatably connected with the screw rod (672), the front end of the screw rod (672) is fixedly connected with the handle (673), the side face of the screw rod (672) is in threaded connection with the sliding block (674), and the right end of the sliding block (674) is fixedly connected with the clamping block (675).

3. The wind turbine generator rotor inverted-V-shaped conducting bar structure according to claim 1, characterized in that: and a desiccant bag is paved at the bottom end of the groove (61).

4. The wind turbine generator rotor inverted-V-shaped conducting bar structure according to claim 1, characterized in that: the groove (61) is matched with the sliding plate (62) in structure, and the groove (61) is tightly contacted with the side surface of the sliding plate (62).

5. The wind turbine generator rotor inverted-V-shaped conducting bar structure according to claim 1, characterized in that: the insulating blocks (66) and the clamping assemblies (67) are provided with two groups and are arranged on four sides of the rotating disc (65).

6. The wind turbine generator rotor inverted-V-shaped conducting bar structure according to claim 1, characterized in that: an opening at the upper end of the blow pipe (64) is positioned in the middle of the connecting end of the insulating block (66) on the rotating disc (65) and the lower conducting bar (4).

7. The wind turbine generator rotor inverted-V-shaped conducting bar structure as set forth in claim 2, wherein: the front end and the rear end of the screw rod (672) are provided with reverse threads, and two groups of sliding blocks (674) and clamping blocks (675) are arranged.

8. The wind turbine generator rotor inverted-V-shaped conducting bar structure as set forth in claim 2, wherein: the clamping block (675) is of a concave structure, and an insulating layer is arranged on the concave side face in the clamping block (675).