CN219843468U - Variable pitch motor rotor structure - Google Patents

Abstract

The utility model belongs to the technical field of variable pitch motors, and particularly relates to a rotor structure of a variable pitch motor, which solves the problems of troublesome disassembly and assembly and poor sealing performance in the prior art.

Description

Variable pitch motor rotor structure

Technical Field

The utility model relates to the technical field of variable-pitch motors, in particular to a rotor structure of a variable-pitch motor.

Background

At present, a variable pitch motor is mainly used for blades of a wind driven generator, so that the angle of the variable pitch motor is continuously adjusted according to the wind direction and the wind power, the wind driven generator is ensured to be stabilized in a reasonable rotating speed range, the maximum wind energy is ensured to be captured by the fan, and the generated electric power is ensured to be stable; in addition, since a wind power pitch motor is the main power source of the pitch system, its performance and reliability must be strictly required. However, the pitch motor has the problems of easy damage, short service life, low power factor, low efficiency, high cost, insufficient productivity and the like in the global market, and severely restricts the development of the wind power generation industry; specifically, the pitch motor in the prior art mainly has the following defects: (1) The rotor punching sheet is integrally pressed together to form a rotor core and then is pressed on the main shaft at one time, so that the service life of the motor is easily shortened; (2) The magnetic steel is generally integrally installed, so that the magnetic steel is easy to break, and the motor is directly damaged; (3) The rotor locking mode is directly fixed by adopting a locking nut after the installation of the magnetic steel is completed, so that the locking nut can be loosened to cause loosening of a rotor punching sheet in the long-term operation process of the motor, the motor is directly damaged, and the service life is reduced.

The authorized bulletin number in the prior art is: CN114530957a, entitled: a rotor structure of a variable-pitch motor relates to the technical field of variable-pitch motors and is used for solving the technical problems of difficult installation of magnetic steel and difficult installation of an iron core of the existing variable-pitch motor rotor. In the rotor structure of the variable pitch motor, a main shaft is provided with a key groove, an A-shaped flat key is fixed in the key groove, a rotor punching baffle is arranged at a core blocking position of the main shaft, the rotor punching sheets are stacked on the main shaft one by one, and meanwhile, the surface of magnetic steel is coated with plane sealant and the magnetic steel is arranged at a magnetic steel mounting position of the rotor punching along with the stacking quantity of the rotor punching sheets; after the rotor punching sheet and the magnetic steel are installed, the rotor punching sheet baffle is assembled, the rotor punching sheet is fixed together by using the double-end locking studs and the first locking nuts, and the rotor core and the rotor which are formed by locking the second locking nuts on the main shaft are used.

However, the utility model uses glue and screw to fix the rotor punching, which is not only troublesome in fixing, but also difficult in dismounting and replacement in later maintenance.

Disclosure of Invention

The utility model aims to provide a rotor structure of a variable pitch motor, which solves the problems of troublesome disassembly and assembly and poor tightness.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a become oar motor rotor structure, includes main shaft, shell and rotor punching, the keyway has been seted up to the inside of main shaft, the rotor punching is located the inside of shell, the inside of shell is through screw fixedly connected with punching baffle, two draw-in grooves that are symmetrical arrangement have been seted up to the inside of shell, the inside slip of punching baffle is equipped with two first sliders that are symmetrical arrangement, two one side of first slider is all through screw fixedly connected with fixture block, the one end of fixture block is the slope, the fixture block is located the inside of draw-in groove, the inside slip of punching baffle is equipped with the second slider, one side of second slider is through screw fixedly connected with withdrawal pole, one side of withdrawal pole is through screw fixedly connected with handle, one side of punching baffle is through screw fixedly connected with fixed block.

Preferably, two mounting grooves are formed in the main shaft, and rubber rings are nested in the mounting grooves.

Preferably, a second chute is formed in the punching baffle, the second sliding block is slidably connected in the second chute, a spring is welded on one side of the second sliding block, and the other end of the spring is welded on the side wall of the second chute.

Preferably, a first chute is formed in the punching baffle plate, and the first sliding block is slidably connected in the first chute.

Preferably, two limit grooves which are symmetrically arranged are formed in the second sliding block, and one end of the first sliding block is slidably connected in the limit grooves.

Preferably, a fixing groove is formed in the rotor punching sheet, and the shape and the size of the fixing block are the same as those of the fixing groove.

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

1. according to the utility model, through the arrangement of the structures such as the clamping blocks and the clamping grooves, the rotor punching sheet is placed in the shell in a direct descending manner when the rotor punching sheet is required to be installed, and the punching sheet baffle plate is inserted in a left alignment manner, at the moment, because one end of the clamping block is an inclined plane and moves downwards when moving forwards, the second sliding block is pushed to move downwards, after the position of the clamping groove is reached, the two first sliding blocks respectively move upwards and downwards into the clamping groove due to the action of the second spring, and at the moment, the fixing block is also arranged in the fixing groove, so that the rotor punching sheet is fixed, and the problem of troublesome disassembly is solved.

2. According to the utility model, through the arrangement of the structures such as the mounting groove, the rubber ring and the like, the mounting groove is formed in the main shaft, and the rubber ring is mounted in the mounting groove, so that leakage of oil can be effectively prevented in the actual use process.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is an enlarged view of the utility model at a.

In the figure: 1. a main shaft; 2. a key slot; 3. punching a baffle plate; 4. a housing; 5. rotor punching; 6. a fixed block; 7. a fixing groove; 8. a rubber ring; 9. a clamping groove; 10. a clamping block; 11. a second slider; 12. a limit groove; 13. a second chute; 14. a first slider; 15. a backspace rod; 16. a spring; 17. a handle; 18. a first chute; 19. and a mounting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a rotor structure of a variable pitch motor comprises a main shaft 1, a housing 4 and rotor punching sheets 5, wherein a key slot 2 is formed in the main shaft 1, the rotor punching sheets 5 are positioned in the housing 4, a punching sheet baffle 3 is fixedly connected in the housing 4 through screws, two clamping grooves 9 which are symmetrically arranged are formed in the housing 4, two first sliding blocks 14 which are symmetrically arranged are slidingly assembled in the punching sheet baffle 3, clamping blocks 10 are fixedly connected to one sides of the two first sliding blocks 14 through screws, one end of each clamping block 10 is inclined, the clamping block 10 is positioned in the clamping groove 9, a second sliding block 11 is slidingly assembled in the punching sheet baffle 3, one side of each second sliding block 11 is fixedly connected with a return rod 15 through screws, one side of the withdrawal rod 15 is fixedly connected with a lifting handle 17 through a screw, one side of the punching baffle 3 is fixedly connected with a fixing block 6 through the screw, the punching baffle 5 is placed inside the shell 4 by means of the arrangement of the clamping block 10, the clamping groove 9 and the like when the rotor punching 5 is required to be installed, and the punching baffle 3 is inserted in a left alignment mode, at the moment, one end of the clamping block 10 moves downwards when moving forwards because of an inclined plane, so that the second sliding block 11 is pushed to move downwards, after the position of the clamping groove 9 is reached, due to the action of the second spring 16, the two first sliding blocks 14 can move upwards and downwards respectively into the clamping groove 9, and at the moment, the fixing block 6 is also inside the fixing groove 7, so that the fixing of the rotor punching 5 is completed.

Referring to fig. 1-3, two mounting grooves 19 are formed in the main shaft 1, rubber rings 8 are nested in the mounting grooves 19, and through the arrangement of the structures such as the mounting grooves 19 and the rubber rings 8, the mounting grooves 19 are formed in the main shaft 1, and the rubber rings 8 are mounted in the mounting grooves 19, so that leakage of oil can be effectively prevented in the actual use process.

Referring to fig. 1-3, a second chute 13 is provided in the inner portion of the punching baffle 3, a second slider 11 is slidably connected in the second chute 13, a spring 16 is welded on one side of the second slider 11, the other end of the spring 16 is welded on the side wall of the second chute 13, a first chute 18 is provided in the inner portion of the punching baffle 3, a first slider 14 is slidably connected in the inner portion of the first chute 18, two limit grooves 12 which are symmetrically arranged are provided in the inner portion of the second slider 11, one section of the first slider 14 is slidably connected in the inner portion of the limit groove 12, a fixed groove 7 is provided in the inner portion of the rotor punching 5, and the shape and the size of the fixed block 6 are the same as those of the fixed groove 7.

The specific implementation process of the utility model is as follows: when the rotor punching sheet 5 needs to be installed, only the rotor punching sheet 5 needs to be placed in the shell 4, after the rotor punching sheet 5 is installed, two clamping blocks 10 on the punching sheet baffle 3 are inserted in the positions aligned with the clamping grooves 9, and because one ends of the clamping blocks 10 are inclined planes, when the punching sheet baffle 3 is pushed leftwards, the two first sliding blocks 14 move towards the middle, and because one ends of the two first sliding blocks 14 are connected in the limiting grooves 12 of the grooves of the second sliding blocks 11 in a sliding mode, the second sliding blocks 11 move rightwards due to the movement of the first sliding blocks 14, when the clamping blocks 10 move to the clamping grooves 9, the second sliding blocks 11 are driven to move leftwards due to the action of the springs 16, the two clamping blocks 10 are respectively pushed to the inner parts of the clamping grooves 9, the fixing blocks 6 are also positioned in the fixing grooves 7, the fixing of the rotor punching sheet 5 is completed, when the inner rotor punching sheet 5 is damaged, a lifting handle 17 is directly pulled rightwards, the lifting handle 17 and the clamping rods 15 are driven to move rightwards, and the two clamping blocks 11 are not pulled rightwards due to the fact that the lifting handle 17 are in the two clamping blocks are moved rightwards, and the two clamping blocks are not in the middle of the two clamping blocks are in the middle of the prior art, and the lifting handle is difficult to move rightwards when the clamping blocks are directly to be pulled rightwards, and the clamping blocks are moved to the clamping blocks 10 are in the middle, and the clamping blocks are in the middle to move the position of the clamping blocks are difficult position to be removed to the position the clamping blocks are directly to the position the clamping blocks 9.

Further, two mounting grooves 19 are formed in the main shaft 1, and matched rubber rings 8 are arranged in the mounting grooves 19, so that the sealing effect can be achieved, the damage to the machine caused by oil leakage and pollution to the machine is prevented, and the problem of poor sealing is solved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a become oar motor rotor structure, includes main shaft (1), shell (4) and rotor punching (5), its characterized in that: the novel rotor punching device is characterized in that a key slot (2) is formed in the main shaft (1), a rotor punching sheet (5) is located in the casing (4), a punching sheet baffle (3) is fixedly connected to the inside of the casing (4) through screws, two clamping grooves (9) which are symmetrically arranged are formed in the casing (4), two first sliding blocks (14) which are symmetrically arranged are slidably assembled in the punching sheet baffle (3), clamping blocks (10) are fixedly connected to one sides of the first sliding blocks (14) through screws, one ends of the clamping blocks (10) are inclined, the clamping blocks (10) are located in the clamping grooves (9), a second sliding block (11) is fixedly connected to the inside of the punching sheet baffle (3), a position returning rod (15) is fixedly connected to one side of the second sliding block (11) through screws, and a lifting handle fixing block (6) is fixedly connected to one side of the punching sheet baffle (3) through screws.

2. A pitch motor rotor structure as defined in claim 1, wherein: two mounting grooves (19) are formed in the main shaft (1), and rubber rings (8) are nested in the mounting grooves (19).

3. A pitch motor rotor structure as defined in claim 1, wherein: the inside of punching baffle (3) has seted up second spout (13), second slider (11) sliding connection is in the inside of second spout (13), one side welding of second slider (11) has spring (16), the other end welding of spring (16) is in on the lateral wall of second spout (13).

4. A pitch motor rotor structure as defined in claim 1, wherein: the inside of punching baffle (3) has seted up first spout (18), first slider (14) sliding connection is in the inside of first spout (18).

5. A pitch motor rotor structure as defined in claim 1, wherein: two limit grooves (12) which are symmetrically arranged are formed in the second sliding block (11), and one end of the first sliding block (14) is connected with the inside of the limit groove (12) in a sliding mode.

6. A pitch motor rotor structure as defined in claim 1, wherein: the rotor punching sheet (5) is internally provided with a fixing groove (7), and the shape and the size of the fixing block (6) are the same as those of the fixing groove (7).