CN218514257U

CN218514257U - Whole-pole pushing device for magnetic pole box of semi-direct-drive wind driven generator rotor

Info

Publication number: CN218514257U
Application number: CN202221662714.5U
Authority: CN
Inventors: 顾玉刚; 李金非; 陈国旗; 陈慧; 徐海阳; 伊日格乐
Original assignee: Jiangsu CRRC Electric Co Ltd
Current assignee: Jiangsu CRRC Electric Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-02-21
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a be used for whole utmost point of half direct-drive wind generator rotor magnetic pole box to push away puts device contains: rotor support, its characterized in that: one end of the rotor bracket is connected with an alignment plate, and the upper surface of the alignment plate and the upper surface of the rotor bracket are positioned on the same horizontal plane; one end of the aligning plate is connected below the magnetic pole box assembling base, the other end of the aligning plate extends out, the upper edge groove of the magnetic pole box assembling base is connected with the pressing device, the pressing device comprises a fastening support and a pressing rod, the pressing rod vertically penetrates through the fastening support from the outer side of the fastening support downwards, and the lower end of the pressing rod is provided with a round top block. The utility model discloses can carry out the equipment of whole utmost point magnetic pole box, be favorable to preventing whole utmost point magnetic pole box because the problem that magnetic pole repulsion jumped out in the assembling process, not only can be used for the magnetic pole box to push away horizontally to put, aim at the connected mode of board and spider through the change, applicable in the vertical push away of magnetic pole box put.

Description

Whole-pole pushing device for magnetic pole box of semi-direct-drive wind driven generator rotor

Technical Field

The utility model belongs to the technical field of half direct-drive wind driven generator, concretely relates to be used for whole utmost point of half direct-drive wind driven generator rotor magnetic pole box to push away puts device.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, drives a rotor to rotate by the mechanical work, and finally outputs alternating current by utilizing an electromagnetic induction principle. The present semi-direct-drive wind driven generator adopts an outer stator inner rotor structure, a rotor is a permanent magnet, a stator is a coil, the rotor comprises a rotor support, an S pole magnetic pole box, an N pole magnetic pole box and the like, the semi-direct-drive rotor magnetic pole box is mostly of a surface-mounted structure, and the permanent magnet is located on the surface of the rotor support. The magnetic pole boxes are sequentially and tightly arranged and fixed on the surface of the re-rotor bracket through bolts. The repulsive and attractive forces of the pole boxes and the risk of foreign matter adsorption during transportation need to be considered during rotor assembly.

The existing vertical assembly of the magnetic pole box is that a rotor support is axially erected, the magnetic pole box slides into a rotor support mounting groove through gravity, the homopolar magnetic pole box is compressed through a compression mechanism, and finally the homopolar magnetic pole box is fixed on the rotor support through a bolt.

The whole-pole magnetic pole box is mounted on a permanent magnet rotor which is mostly used for being internally arranged in the magnetic pole box, the whole-pole magnetic pole box is assembled in advance, and then the whole pole is carried to a rotor bracket to be mounted, so that other objects are easily adsorbed in the carrying process, potential safety hazards exist, and the efficiency is lower.

Disclosure of Invention

In order to solve the problems, the utility model discloses a whole pole pushing device for a rotor magnetic pole box of a semi-direct drive wind driven generator, which is used for the whole pole pushing of the rotor magnetic pole box; the problem that the magnetic pole box jumps out in the pushing and releasing process can be solved, and meanwhile, the pushing and releasing efficiency of the magnetic pole box is effectively improved.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a whole-pole pushing device for a magnetic pole box of a semi-direct-drive wind driven generator rotor comprises: the device comprises a rotor bracket, a bearing seat and a bearing seat, wherein one end of the rotor bracket is connected with an alignment plate, and the upper surface of the alignment plate and the upper surface of the rotor bracket are positioned on the same horizontal plane; one end of the aligning plate is connected below the magnetic pole box assembling base, the other end of the aligning plate extends out, the upper edge groove of the magnetic pole box assembling base is connected with the pressing device, the pressing device comprises a fastening support and a pressing rod, the pressing rod vertically penetrates through the fastening support from the outer side of the fastening support downwards, and the lower end of the pressing rod is provided with a round top block.

Optionally, a torsion bar is arranged at the upper end of the compression bar, the compression bar is a compression screw, a copper sleeve is arranged on the lower surface of the fastening support, the copper sleeve is in threaded connection with the fastening support, and the copper sleeve is in threaded connection with the compression screw.

Optionally, a hydraulic jacking device is arranged at one end of the magnetic pole box assembling base, which is far away from the aligning plate, and the jacking direction faces the rotor support.

Further, the pressing devices are not less than 2 groups.

Optionally, the pressing rod is a hydraulic rod.

Further, the pressing devices are not less than 2 groups.

Preferably, one end of the aligning plate is connected with the magnetic pole box assembly base through a screw, and a spring washer is arranged between the screw and the aligning plate.

Preferably, the alignment plate is bolted to the rotor support, and a spring washer is provided between the bolt and the alignment plate.

Compared with the prior art, the beneficial effect of this application is:

1. according to the magnetic pole box, the whole pole assembly of the magnetic pole box can be realized by matching the assembly bottom of the compression rod and the magnetic pole box with the rotor support, so that the installation efficiency of the whole pole magnetic pole box is improved;

2. according to the invention, the alignment plate is connected with the rotor support, so that the integral pole magnetic pole box can be directly pushed to the rotor support after being assembled;

3. the magnetic pole box can be prevented from jumping out when the whole-pole magnetic pole box is assembled by the fastening bracket and the pressing rod;

4. the whole pole of different magnetic pole boxes is put to this application accessible change magnetic pole box installation base of different specifications realization.

Drawings

FIG. 1 is a schematic cross-sectional view of the present application;

FIG. 2 is a schematic diagram of the right-view structure of the present application;

fig. 3 is a schematic front view structure of the present application.

List of reference symbols:

1. fastening a bracket; 2. a torsion bar; 3. a compression screw; 4. a copper sleeve; 5. a first screw; 6. a round top block; 7. an alignment plate; 8. a second screw; 9. a first spring washer; 10. a second spring washer; 11. a bolt; 12. a magnetic pole box assembling base; 13. a rotor support; 14. a magnetic pole box; 15. and (5) a hydraulic jacking device.

Detailed Description

The present invention will be further elucidated below with reference to the accompanying fig. 1-3 and the embodiments, it being understood that the embodiments described below are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

It should be noted that the terms "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and "inner" and "outer" refer to directions toward and away from the geometric center of a specific component without limiting the structure.

As shown in fig. 1-3, a pole-arranging pushing device for a pole box of a semi-direct-drive wind driven generator rotor comprises: the alignment plate 7 is connected to one end of the rotor bracket 13, and the upper surface of the alignment plate 7 and the upper surface of the rotor bracket 13 are in the same horizontal plane. The alignment plate 7 is connected with the rotor bracket 13 by bolts 11, the connecting device can be a buckle or a threaded connection as shown in fig. 1, a second spring washer 10 is arranged between the bolt 11 and the alignment plate 13, and the second spring washer 10 increases the friction force between the nut and the bolt 11 and the alignment plate 13, so as to prevent the loosening of the fastening bolt 11 caused by the vibration of the running equipment and achieve better connection and fastening effects.

As shown in fig. 1, the left end of the alignment plate 7 is connected to the lower right side of the magnetic pole case assembly base 12, and the other end of the alignment plate 7 is extended to be connected to the rotor holder 13.

As shown in fig. 2, the upper edge of the pole box assembly base 12 is slotted with a hold-down device, which can slide on the pole box assembly base 12. The pressing device comprises a fastening support 1 and a pressing rod, the pressing rod comprises a torsion rod 2 and a threaded pressing rod 3, the threaded pressing rod 2 vertically penetrates through a through hole of the fastening support 1 to extend downwards, a copper sleeve 4 is arranged on the lower surface of the fastening support 1, and the copper sleeve 4 is connected with the lower surface of the fastening support 1 through an M5 hexagon socket head cap screw; the thread opening of the copper sleeve 4 corresponds to the through hole of the fastening bracket 1 and is in threaded fit with the threaded pressure rod 3. The lower end of the threaded compression bar 2 is provided with a round top block 6; when the magnetic pole box assembly base 12 is installed in the magnetic pole box, the screw thread compression bar 3 drives the round top block 6 to move downwards through the rotation of the torsion bar 2, and the magnetic pole box with the same polarity is prevented from jumping out due to repulsion when approaching. The pressing rod can also be set as a hydraulic rod, when the magnetic pole box assembling base 12 is installed in the magnetic pole box, the hydraulic rod automatically extends downwards to abut against the magnetic pole box, and the magnetic pole box is prevented from jumping out due to repulsion force when approaching. The required pressing devices are arranged according to the number of the magnetic pole boxes required to be installed, and the number of the pressing devices is more than 2.

As shown in fig. 1 and 3, a hydraulic jacking device 15 is detachably connected to one end of the magnetic pole box assembling base 12 far away from the installation alignment plate 7, connecting rods are arranged at the front side and the rear side of the base of the hydraulic jacking device 15 and are in threaded connection with the magnetic pole box assembling base 12, and the hydraulic jacking device 15 is used for jacking and assembling the magnetic pole box on the rotor support 13.

The working principle is as follows:

the magnetic pole boxes 14 are sequentially placed in the sliding grooves of the magnetic pole box assembling base 12, the magnetic pole boxes 14 are connected through a through connecting rod, then the fastening support 1, the compression screw 3 and the dome block 6 are used for pre-compressing the placed single magnetic pole box from the top to prevent the single magnetic pole box from jumping out due to homopolar repulsion, then the hydraulic jacking device 15 is used for jacking the whole magnetic pole box, and finally the whole magnetic pole box is pushed into the rotor support 13 through the aligning plate 7.

The fastening support 1, the torsion bar 2, the compression screw 3, the copper sleeve 4 and the dome block 6 are used for compressing the magnetic pole box on the magnetic pole box assembling base 12 and preventing the homopolar magnetic pole box from jumping out due to repulsion force when approaching.

The aligning plate 7 is connected with the rotor support through a bolt 11, the whole pole magnetic pole box is aligned to the rotor support, the whole pole magnetic pole box is pushed into the rotor support through a hydraulic rod, the aligning plate 7 is designed correspondingly according to different sizes of the end face of the rotor support, and the magnetic pole boxes of different rotor supports can be pushed.

The magnetic pole box assembling base 12 can design corresponding sliding grooves according to the appearance sizes of different magnetic pole boxes, and the whole pole assembly of different magnetic pole boxes is realized.

In conclusion, the whole pole magnetic pole box can be assembled, the problem that the whole pole magnetic pole box jumps out due to magnetic pole repulsive force in the assembling process is favorably solved, the whole pole magnetic pole box can be horizontally pushed, and the whole pole magnetic pole box can be vertically pushed by changing the connection mode of the alignment plate and the rotor bracket.

It should be noted that the appended drawings illustrate only preferred embodiments of the invention and are therefore not to be considered limiting of its scope, for those skilled in the art may admit to other equally effective embodiments without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A whole-pole pushing device for a magnetic pole box of a semi-direct-drive wind driven generator rotor comprises: rotor support, its characterized in that: one end of the rotor bracket is connected with an alignment plate, and the upper surface of the alignment plate and the upper surface of the rotor bracket are positioned on the same horizontal plane; one end of the aligning plate is connected below the magnetic pole box assembling base, the other end of the aligning plate extends out, the upper edge groove of the magnetic pole box assembling base is connected with the pressing device, the pressing device comprises a fastening support and a pressing rod, the pressing rod vertically penetrates through the fastening support from the outer side of the fastening support downwards, and the lower end of the pressing rod is provided with a round top block.

2. The pole-arranging pushing device for the magnetic pole box of the semi-direct-drive wind driven generator rotor according to claim 1, characterized in that: the torsion bar is arranged at the upper end of the compression rod, the compression rod is a compression screw, the lower surface of the fastening support is provided with a copper sleeve, the copper sleeve is in threaded connection with the fastening support, and the copper sleeve is in threaded connection with the compression screw.

3. The pole-arranging pushing device for the pole box of the semi-direct-drive wind driven generator rotor according to claim 1, is characterized in that: and a hydraulic jacking device is arranged at one end of the magnetic pole box assembling base far away from the aligning plate, and the jacking direction faces the rotor support.

4. The pole-arranging pushing device for the pole box of the semi-direct-drive wind driven generator rotor according to claim 2, is characterized in that: the number of the pressing devices is not less than 2.

5. The pole-arranging pushing device for the pole box of the semi-direct-drive wind driven generator rotor according to claim 1, is characterized in that: the compression rod is a hydraulic rod.

6. The pole-arranging pushing device for the pole box of the semi-direct-drive wind driven generator rotor according to claim 5, characterized in that: the number of the pressing devices is not less than 2.

7. The pole-arranging pushing device for the pole box of the semi-direct-drive wind driven generator rotor according to claim 1, is characterized in that: one end of the aligning plate is connected with the magnetic pole box assembly base through a screw, and a spring washer is arranged between the screw and the aligning plate.

8. The pole-arranging pushing device for the pole box of the semi-direct-drive wind driven generator rotor according to claim 1, is characterized in that: the alignment plate is connected with the rotor bracket through screws, and a spring washer is arranged between the screws and the alignment plate.