CN106300833A - Tooling structure for permanent magnet generator rotor pole assembly installation - Google Patents

Abstract

The invention discloses a tool structure for mounting a magnetic pole component of a permanent magnet generator rotor, which comprises a magnetic steel base, an alignment plate, a hydraulic rod, a thrust plate and a compression screw rod, wherein the magnetic steel base is provided with a magnetic steel base; the magnetic steel base is arranged on a rotor bracket of the permanent magnet generator through an alignment plate, a plurality of guide grooves are formed in the peripheral surface of the rotor bracket, alignment blocks are arranged on the alignment plate, and the magnetic steel base is inserted into the guide grooves through the alignment blocks to realize self-positioning installation; the hydraulic rod is connected with the thrust plate through threads and is powered by an external driving device; the magnetic steel base is reserved with an installation position for accommodating the rotor magnetic pole assembly, the installation position is provided with a detachable baffle plate for blocking the rotor magnetic pole assembly from being placed into a magnetic pole pressing plate and a magnetic pole at the installation position, the rest of the magnetic poles are pushed to the installation position by a thrust plate, and in the assembling process of the rotor magnetic pole assembly, the magnetic poles are pressed by a pressing screw rod arranged on the magnetic steel base. The invention can improve the assembly efficiency and the assembly reliability.

Description

Tooling structure for permanent magnet generator rotor pole assembly installation

technical field

The invention relates to the technical field of equipment for installing permanent magnet generator rotor magnetic poles, in particular to a tooling structure for permanent magnet generator rotor magnetic pole assembly installation.

Background technique

At present, the rotor pole assembly of the wind permanent magnet synchronous generator is composed of a plurality of pole boxes embedded with permanent magnets, a square screw, and a pole pressure plate, etc., and then the pole assembly is installed on the rotor bracket. The repulsive force between them is very large, which leads to certain risks in the assembly process and slow assembly efficiency.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art, and provide a tooling structure for installing permanent magnet generator rotor pole assemblies that can improve assembly efficiency and assembly reliability.

In order to achieve the above object, the technical solution provided by the present invention is: a tooling structure for permanent magnet generator rotor pole assembly installation, including a magnetic steel base, an alignment plate, a hydraulic rod, a thrust plate, and a compression screw; The magnetic steel base is installed on the rotor bracket of the permanent magnet generator through an alignment plate, and a plurality of guide grooves are evenly opened on the outer peripheral surface of the rotor bracket along its circumferential direction, and the alignment plate is connected with the rotor bracket. An alignment block matching the guide groove is installed on one end, the alignment block protrudes from the alignment plate, and can be inserted into the above-mentioned guide groove, and the magnetic steel base is inserted into the guide groove through the alignment block , to realize its own positioning and installation; the hydraulic rod and the thrust plate are connected by threads, and the hydraulic rod is powered by an external drive device; the magnetic steel base is reserved for the installation position of the rotor pole assembly, the installation The position is equipped with a detachable baffle, which is placed at the end of the installation position close to the rotor bracket, and is used to prevent the rotor pole assembly from being put into the pole pressure plate and a magnetic pole at the installation position first, while the remaining poles of the rotor pole assembly The thrust plate is then pushed into the installation position, and the magnetic poles are assembled symmetrically. The N poles are assembled first, and then the S poles are assembled, and all the magnetic poles are inserted through the upper screw. The tightening screw compresses the magnetic poles tightly to prevent the repulsive force from making the magnetic poles bounce off.

Two slide rails are formed on both sides of the installation position in the length direction, and a slide block is slidably installed on the two slide rails. The pressing screw rod is installed on the slide block and can slide together with the slide block.

The magnetic steel base is connected to the alignment plate by bolts, and the rotor bracket is connected to the alignment plate by bolts.

When assembling the rotor magnetic pole assembly, first place the baffle at the installation position, then put in the magnetic pole pressure plate and a magnetic pole, pass the square screw through the square hole of the magnetic pole, and push the rest of the magnetic poles into the installation position of the tooling with the thrust plate. The magnetic pole assembly adopts Symmetrical assembly, first assemble the N pole, then assemble the S pole, and at the same time use the compression screw to compress the magnetic pole to prevent the repulsive force from making the magnetic pole bounce; when the rotor magnetic pole assembly is assembled, remove the baffle, and use the hydraulic rod to push the assembly along The guide groove of the rotor bracket advances, and when the position of the screw hole at the bottom of the assembly is aligned with the position of the screw hole on the rotor bracket, fix it with bolts.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

1. Using this tooling structure, the compression screw can ensure the safety and reliability of the magnetic pole assembly process.

2. The hydraulic rod and external drive device are used to improve the assembly efficiency and shorten the assembly time.

3. The magnetic pole assembly adopts symmetrical assembly. The N pole is assembled first, and then the S pole is assembled. During the assembly process, the permanent magnet suction force on both sides of the magnetic pole can be kept in balance, and the magnetic pole can smoothly advance along the guide groove on the rotor bracket without turning over. At the same time, the installation accuracy is guaranteed.

Description of drawings

Fig. 1 is a schematic diagram of the tooling structure of the present invention.

Figure 2 is a schematic diagram of the installation of the rotor pole assembly of the permanent magnet generator.

detailed description

The present invention will be further described below in conjunction with specific examples.

As shown in Figures 1 and 2, the tooling structure for installing the permanent magnet generator rotor pole assembly described in this embodiment includes a magnetic steel base 1, an alignment plate 2, a hydraulic rod 3, a thrust plate 4, a pressing Screw 5; the magnetic steel base 1 is installed on the rotor support 6 of the permanent magnet generator through the alignment plate 2, wherein the magnetic steel base 1 and the alignment plate 2 are connected by bolts, and the rotor support 6 is connected to the alignment plate 2 The alignment plate 2 is connected by bolts, and the outer peripheral surface of the rotor bracket 6 is evenly provided with a plurality of guide grooves 7 along its circumference, and the end of the alignment plate 2 connected with the rotor bracket 6 is equipped with a guide groove 7 corresponding to the guide groove 7. Adapted alignment block 8, the alignment block 8 protrudes from the alignment plate 2, and can be inserted into the above-mentioned guide groove 7, and the magnetic steel base 1 is inserted into the guide groove 7 through the alignment block 8, To realize its own positioning and installation; the hydraulic rod 3 and the thrust plate 4 are connected by threads, and the hydraulic rod 3 is powered by an external drive device; the magnetic steel base 1 is reserved for the installation of the rotor pole assembly Position 16, the installation position 16 is equipped with a detachable baffle plate 9, the baffle plate 9 is placed at the end of the installation position close to the rotor bracket 6, and is used to prevent the rotor pole assembly from being put into the magnetic pole pressure plate 10 at the installation position 16 and one magnetic pole 11, while the remaining magnetic poles of the rotor magnetic pole assembly are pushed to the installation position 16 by the thrust plate 4. The magnetic poles are assembled symmetrically, and the N pole is assembled first, and then the S pole is assembled. Two slide rails 13,14 are formed on both sides of the installation position 16 in the length direction, and an arch bridge-shaped slide block 15 is slidably installed on the two slide rails 13,14, and the pressing screw rod 5 is installed on the slide block 15 , can slide together with the slider 15, and during the assembly process of the rotor pole assembly, the magnetic pole 11 is compressed by the compression screw 5 to prevent the repulsive force from causing the magnetic pole 11 to bounce off.

When assembling the rotor magnetic pole assembly, first place the baffle plate 9 at the installation position 16, then put in the magnetic pole pressing plate 10 and a magnetic pole 11, pass the square screw 12 through the square hole of the magnetic pole 11, and push the remaining magnetic poles 11 with the thrust plate 4 At the tool installation position 16, the magnetic pole 11 is assembled symmetrically, the N pole is assembled first, and then the S pole is assembled. At the same time, the magnetic pole 11 is compressed with the compression screw 5 to prevent the repulsive force from causing the magnetic pole 11 to bounce; when the rotor magnetic pole assembly is assembled After completion, remove the baffle plate 9, push the assembly along the guide groove 7 of the rotor bracket 6 with the hydraulic rod 3, and fix it with bolts when the position of the screw hole at the bottom of the assembly is aligned with the position of the screw hole on the rotor bracket 6, so that That is, the quick installation of the rotor pole assembly is completed.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Therefore, all changes made according to the shape and principles of the present invention should be covered within the protection scope of the present invention.

Claims (3)

1. A frock structure for installing the rotor pole assembly of a permanent magnet generator, characterized in that: it includes a magnetic steel base, an alignment plate, a hydraulic rod, a thrust plate, and a compression screw; the magnetic steel base passes through the alignment plate Installed on the rotor bracket of the permanent magnet generator, the outer peripheral surface of the rotor bracket is uniformly provided with a plurality of guide grooves along its circumference, and the end of the alignment plate connected to the rotor bracket is equipped with a Adapted alignment block, the alignment block protrudes from the alignment plate and can be inserted into the above-mentioned guide groove, and the magnetic steel base is inserted into the guide groove through the alignment block to realize its own positioning and installation; The hydraulic rod and the thrust plate are connected by threads, and the hydraulic rod is powered by an external drive device; the magnetic steel base has a mounting position reserved for accommodating the rotor pole assembly, and the mounting position is equipped with a detachable stop The baffle plate is placed at the end of the installation position close to the rotor bracket, which is used to prevent the rotor pole assembly from being put into the magnetic pole pressing plate and a magnetic pole at the installation position, while the rest of the rotor pole assembly is pushed into the installation position by the thrust plate. The magnetic pole assembly adopts symmetrical assembly, the N pole is assembled first, and then the S pole is assembled, and all the magnetic poles are inserted through the upper screw. The repulsive force causes the poles to bounce apart. 2. The tooling structure for installing the rotor pole assembly of a permanent magnet generator according to claim 1, characterized in that: two slide rails are formed on both sides in the length direction of the installation position, and slide on the two slide rails A slide block is installed, and the pressing screw rod is installed on the slide block and can slide together with the slide block. 3. A tooling structure for permanent magnet generator rotor pole assembly installation according to claim 1, characterized in that: the magnetic steel base and the alignment plate are connected by bolts, and the rotor bracket and the alignment plate are connected by bolts. Bolted.