CN213425937U

CN213425937U - Direct current series motor noise reduction device for wind power pitch control

Info

Publication number: CN213425937U
Application number: CN202022620919.4U
Authority: CN
Inventors: 冯海杰
Original assignee: Wuxi Futai Motor Co ltd
Current assignee: Wuxi Futai Motor Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-06-11
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a wind-powered electricity generation becomes oar and falls device of making an uproar with direct current series excitation motor, including motor body, motor body's outside is provided with the shell, and the bottom inner wall of shell bonds and has the shock attenuation sponge, the top of shock attenuation sponge bonds and has the backup pad, and the spring beam that the top fixedly connected with equidistance of backup pad distributes, the equal fixedly connected with connecting plate in top of spring beam, and the top both ends of backup pad all weld the fixed plate, two the relative one side outer wall of fixed plate all bonds and has the rubber slab, and the equal fixedly connected with limiting plate in top of two fixed plates, the equal fixedly connected with spring in top both ends of connecting plate. The utility model discloses a spring beam can absorb with the spring and alleviate the vibration that motor body produced the connecting plate, can alleviate the vibration collision between motor body and the limiting plate through the block rubber, can alleviate the vibration collision between connecting plate and the fixed plate through the rubber slab.

Description

Direct current series motor noise reduction device for wind power pitch control

Technical Field

The utility model relates to a technical field that makes an uproar falls in the motor especially relates to a wind-powered electricity generation becomes device of making an uproar with direct current series excitation motor and falls.

Background

The working principle of the motor is that the magnetic field exerts force on current to rotate the motor. It is a device that converts electrical energy into mechanical energy. The traditional motor can generate larger noise during working, which not only influences the health of operators in a working environment, but also generates noise pollution to the surrounding environment.

The traditional noise reduction method is that a protective cover is generally arranged around a motor, damping cotton is adhered to the inside of the protective cover, but the heat dissipation performance of the inside of the protective cover is poor, and the motor collides with the protective cover through vibration and still generates great noise.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art, and providing a wind-powered electricity generation becomes oar and falls device of making an uproar with direct current series excitation motor.

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

a noise reduction device of a direct-current series motor for wind power pitch control comprises a motor body, wherein a shell is arranged outside the motor body, a damping sponge is bonded on the inner wall of the bottom of the shell, a supporting plate is bonded on the top of the damping sponge, spring rods which are distributed equidistantly are fixedly connected on the top of the supporting plate, connecting plates are fixedly connected on the tops of the spring rods, fixing plates are welded on the two ends of the top of the supporting plate, rubber plates are bonded on the outer walls of the two opposite sides of the two fixing plates, limiting plates are fixedly connected on the tops of the two fixing plates, springs are fixedly connected on the two ends of the top of the connecting plate and fixedly connected with the bottoms of the two limiting plates, fixing blocks are welded on the two ends of the inner wall of the top of the shell, a worm is rotatably connected on the two fixing blocks, an opening penetrating through the, and the equal fixedly connected with cross support all around of open-ended inner wall, the center department of cross support rotates and is connected with the dwang, and the one end that the dwang is close to the cross support has cup jointed the flabellum.

Preferably, the outer wall of one side of the shell is provided with an opening, and the outer wall of the other side of the shell is provided with vent holes distributed equidistantly.

Preferably, the bottom of the motor body is fixedly arranged at the top of the connecting plate, and two ends of the connecting plate are both contacted with the rubber plate.

Preferably, the outer wall of the opposite side of the limiting plate is bonded with rubber blocks, and the two rubber blocks are in contact with the motor body.

Preferably, belt pulleys are sleeved on one end of the worm and the output shaft of the motor body, and the two belt pulleys are connected in a belt transmission mode.

Preferably, the bottom of dwang has cup jointed the worm wheel, and worm wheel and worm intermeshing.

The utility model has the advantages that:

1. the vibration of the motor body on the connecting plate can be absorbed and relieved through the spring rod and the spring, the vibration collision between the motor body and the limiting plate can be relieved through the rubber block, the vibration collision between the connecting plate and the fixing plate can be relieved through the rubber plate, the vibration collision between the supporting plate and the shell can be relieved through the damping sponge, the vibration influence of the motor body on peripheral objects can be relieved, and the noise of the motor body generated through vibration can be reduced;

2. the output shaft of motor body rotates and drives the worm through two belt pulleys and rotate, and the worm rotates and drives the worm wheel and rotate, and the worm wheel rotates and drives the dwang and rotate, and the dwang rotates and drives the flabellum and rotate and go on convulsions to shell inside, can accelerate the inside air flow of shell, is favorable to dispelling the heat to the inside of shell, is favorable to maintaining the normal operation of motor body.

Drawings

Fig. 1 is a schematic side sectional view of a noise reduction device of a dc series motor for wind power pitch control according to the present invention;

fig. 2 is the utility model provides a wind-powered electricity generation becomes oar and looks sideways at schematic structure around connecting plate of making an uproar device of making an uproar with direct current series excited motor.

In the figure: the motor comprises a motor body 1, a shell 2, a damping sponge 3, a supporting plate 4, a spring rod 5, a connecting plate 6, a fixing plate 7, a rubber plate 8, a limiting plate 9, a spring 10, a fixing block 11, a worm 12, a cross bracket 13, a rotating rod 14, fan blades 15 and a worm wheel 16.

Detailed Description

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

Referring to fig. 1-2, a noise reduction device for a direct current series excitation motor for wind power pitch control comprises a motor body 1, a shell 2 is arranged outside the motor body 1, a damping sponge 3 is bonded on the inner wall of the bottom of the shell 2, an opening is formed in the outer wall of one side of the shell 2, vent holes distributed equidistantly are formed in the outer wall of the other side of the shell 2, a supporting plate 4 is bonded on the top of the damping sponge 3, spring rods 5 distributed equidistantly are fixedly connected to the top of the supporting plate 4, connecting plates 6 are fixedly connected to the tops of the spring rods 5, fixing plates 7 are welded to two ends of the top of the supporting plate 4, rubber plates 8 are bonded to the outer wall of one side of each of the two fixing plates 7 opposite to each other, limiting plates 9 are fixedly connected to the tops of the two fixing plates 7, and the bottom of the motor, and both ends of the connecting plate 6 are contacted with the rubber plates 8, the outer wall of the opposite side of the limiting plate 9 is bonded with rubber blocks, and the two rubber blocks are both contacted with the motor body 1, the two ends of the top of the connecting plate 6 are both fixedly connected with springs 10, and the two springs 10 are both fixedly connected with the bottoms of the two limit plates 9, the vibration of the motor body 1 on the connecting plate 6 can be absorbed and relieved through the spring rod 5 and the spring 10, the rubber block can relieve the vibration collision between the motor body 1 and the limit plate 9, the rubber plate 8 can relieve the vibration collision between the connecting plate 6 and the fixing plate 7, the vibration collision between the supporting plate 4 and the shell 2 can be relieved through the damping sponge 3, so that the vibration influence of the motor body 1 on peripheral objects can be relieved, and the noise generated by the motor body 1 through vibration can be reduced;

fixed blocks 11 are welded at the two ends of the inner wall of the top of the shell 2, worm 12 is connected with the two fixed blocks 11 in a rotating mode, belt pulleys are sleeved on one ends of the worm 12 and the output shaft of the motor body 1, the two belt pulleys are connected through belt transmission, an opening penetrating through the inner wall of the top is formed in the outer wall of the top of the shell 2, cross supports 13 are fixedly connected with the periphery of the inner wall of the opening, a rotating rod 14 is connected at the center of each cross support 13 in a rotating mode, fan blades 15 are sleeved on one end, close to the cross supports 13, of each rotating rod 14, a worm wheel 16 is sleeved at the bottom end of each rotating rod 14, the worm wheels 16 are meshed with the worm 12, the output shaft of the motor body 1 is rotated through the two belt pulleys, the worm 12 is driven to rotate, the worm 12 rotates to drive the worm wheel 16 to rotate, the air flow in the shell 2 can be accelerated, heat dissipation is facilitated in the shell 2, and normal operation of the motor body 1 is maintained.

The working principle is as follows: spring rod 5 and spring 10 can absorb the vibration of alleviating motor body 1 to the production of connecting plate 6, the vibration collision between motor body 1 and limiting plate 9 can be alleviated to the block rubber, the vibration collision between connecting plate 6 and fixed plate 7 can be alleviated to rubber slab 8, the vibration collision between backup pad 4 and shell 2 can be alleviated to shock attenuation sponge 3, and then alleviate the vibration influence that motor body 1 caused to peripheral object, motor body 1's output shaft rotates and drives worm 12 through two belt pulleys and rotate, worm 12 rotates and drives worm wheel 16 and rotate, worm wheel 16 rotates and drives dwang 14 and rotate, dwang 14 rotates and drives flabellum 15 and rotate and carry out convulsions to shell 2 inside, can accelerate the inside air flow of shell 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A direct-current series excitation motor noise reduction device for wind power pitch control comprises a motor body (1) and is characterized in that a shell (2) is arranged outside the motor body (1), damping sponge (3) is bonded on the inner wall of the bottom of the shell (2), a supporting plate (4) is bonded on the top of the damping sponge (3), spring rods (5) distributed at equal intervals are fixedly connected on the top of the supporting plate (4), connecting plates (6) are fixedly connected on the tops of the spring rods (5), fixing plates (7) are welded on two ends of the top of the supporting plate (4), rubber plates (8) are bonded on the outer wall of one side, opposite to the two fixing plates (7), limiting plates (9) are fixedly connected on the tops of the two fixing plates (7), springs (10) are fixedly connected on two ends of the top of the connecting plate (6), and two springs (10) all with the bottom fixed connection of two limiting plates (9), fixed block (11) have all been welded at the top inner wall both ends of shell (2), and two fixed block (11) all rotate and be connected with worm (12), the opening that runs through the top inner wall is seted up to the top outer wall of shell (2), and equal fixedly connected with cross support (13) all around to open-ended inner wall, the center department of cross support (13) rotates and is connected with dwang (14), and dwang (14) have cup jointed flabellum (15) near the one end of cross support (13).

2. The direct-current series excited motor noise reduction device for the wind power pitch control according to claim 1, wherein an opening is formed in the outer wall of one side of the shell (2), and vent holes are formed in the outer wall of the other side of the shell (2) and are distributed equidistantly.

3. The direct-current series motor noise reduction device for the wind power pitch control according to claim 1, wherein the bottom of the motor body (1) is fixedly installed at the top of the connecting plate (6), and two ends of the connecting plate (6) are in contact with the rubber plate (8).

4. The direct-current series excited motor noise reduction device for the wind power pitch control according to claim 1, wherein rubber blocks are bonded to the outer wall of one side of the limiting plate (9) opposite to the outer wall of the limiting plate, and the two rubber blocks are in contact with the motor body (1).

5. The direct-current series motor noise reduction device for the wind power pitch control according to claim 1, wherein belt pulleys are sleeved on one end of the worm (12) and an output shaft of the motor body (1), and the two belt pulleys are in transmission connection through a belt.

6. The direct-current series motor noise reduction device for the wind power pitch control according to claim 1, wherein a worm wheel (16) is sleeved at the bottom end of the rotating rod (14), and the worm wheel (16) and the worm (12) are meshed with each other.