CN112366890A

CN112366890A - Noise reduction type gear low-speed motor

Info

Publication number: CN112366890A
Application number: CN202011196799.8A
Authority: CN
Inventors: 李登进
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-02-12

Abstract

The invention discloses a noise reduction type gear low-speed motor, belonging to the technical field of motors, and the noise reduction type gear low-speed motor comprises: torque output apron, speed reduction backup pad and second grade speed reduction storehouse three part, wherein: install the moment of torsion output bearing in the moment of torsion output apron, install the moment of torsion output shaft in the moment of torsion output bearing, the moment of torsion output shaft other end passes through second grade reduction bearing and installs in the backup pad that slows down, moment of torsion output bearing is liquid bearing rather than antifriction bearing, very big reduction the noise and the vibrations when moment of torsion output shaft rotates, second grade reduction storehouse intussuseption is filled with second grade reduction storehouse amortization cotton, one-level reduction storehouse intussuseption is filled with one-level reduction storehouse amortization cotton, second grade reduction storehouse amortization cotton and one-level reduction storehouse amortization cotton are used for eliminating the noise of speed reduction in.

Description

Noise reduction type gear low-speed motor

Technical Field

The invention belongs to the technical field of motors, and particularly relates to a noise reduction type gear low-speed motor.

Background

The reduction motor is an integrated body of a reduction gear and a motor (motor). The integrated body can also be called as a gear motor or a gear motor, and the speed reducing motor has the characteristics of high efficiency and reliability, long service life, simple and convenient maintenance, wide application and the like. The stage number of the motor can be divided into a single-stage gear reduction motor, a two-stage gear reduction motor and a three-stage gear reduction motor, the installation and arrangement modes mainly comprise an expansion type, a coaxial type and a split-flow type, and the motor is generally assembled and supplied in a set manner by a professional speed reducer production factory. The speed reducing motor is widely applied to the steel industry, the mechanical industry and the like. The advantage of using a gear motor is a simplified design and space saving. After the second world war, the rapid development of military electronic equipment has promoted the development and production of miniature speed reduction motors and direct-current speed reduction motors in the United states, the Soviet Union and other countries. With the continuous development of the speed reducing motor industry, more and more industries and enterprises use the speed reducing motor, and a lot of enterprises enter the speed reducing motor industry.

Because gear motor can send the noise at work motor, the reduction gear itself also can produce noise and vibrations, and under the occasion of a plurality of gear motor work, these noises are light then influence staff's hearing, and resonance is aroused to the weight, produces danger.

Disclosure of Invention

The invention aims to provide a noise reduction type gear low-speed motor to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a noise-reducing geared low speed motor comprising: torque output apron, speed reduction backup pad and second grade speed reduction storehouse three part, wherein:

a torque output bearing is installed in the torque output cover plate, a torque output shaft is installed in the torque output bearing, the other end of the torque output shaft is installed on a speed reduction support plate through a secondary speed reduction bearing, a speed reduction shaft is installed below the speed reduction support plate through a primary speed reduction bearing, a motor output cover plate is installed on the right side of the speed reduction support plate, and the torque output cover plate is used for sealing the left end of a secondary speed reduction bin and is used for installing the torque output bearing so as to fix the torque output shaft;

the torque output shaft and the speed reducing shaft are fixed by the speed reducing support plate, so that the fixed torque output shaft and the speed reducing shaft can stably and normally rotate;

the second grade speed reduction storehouse intussuseption is filled with the second grade speed reduction storehouse amortization cotton, and the one-level speed reduction storehouse intussuseption is filled with the one-level speed reduction storehouse amortization cotton, and the second grade speed reduction storehouse amortization cotton and the one-level speed reduction storehouse amortization cotton are used for eliminating the noise of speed reduction in-process to can absorb partly vibrations.

Preferably, the torque output cover plate boss is arranged on the outer surface of the torque output cover plate, the torque output cover plate boss is internally provided with a torque output cover plate inner end face and a torque output cover plate inner hole, the torque output bearing outer ring is connected in the torque output cover plate inner hole in an interference fit mode, the torque output bearing is in contact with the torque output cover plate inner end face, and the torque output cover plate inner end face is used for enabling the torque output bearing to have accurate positioning when the torque output bearing is installed, so that the central axis of the torque output bearing and the perpendicularity of the torque output cover plate right side are guaranteed, the assembly precision is effectively improved, and noise and vibration in the speed reduction.

Preferably, the upper portion of the speed reduction support plate is provided with a boss on the speed reduction support plate, the inner hole of the speed reduction support plate and the upper inner end face of the speed reduction support plate are arranged in the boss on the speed reduction support plate, the lower boss of the speed reduction support plate is arranged below the speed reduction support plate, the lower inner hole of the speed reduction support plate and the lower inner end face of the speed reduction support plate are arranged in the lower boss of the speed reduction support plate, the inner hole of the speed reduction support plate is positioned right above the inner hole of the speed reduction support plate, and the upper boss of the speed reduction support plate and the lower boss of the speed reduction support.

Preferably, the inner hole of the decelerating support plate is connected with a second-stage decelerating bearing in an interference fit manner, the second-stage decelerating bearing is in contact with the inner end face of the decelerating support plate, the inner hole of the decelerating support plate is connected with a first-stage decelerating bearing in an interference fit manner, the first-stage decelerating bearing is in contact with the inner end face of the decelerating support plate, the central axis of the second-stage decelerating bearing coincides with the central axis of the torque output bearing, and the central axis of the second-stage decelerating bearing is parallel to the first-stage decelerating bearing.

Preferably, interference fit is connected with the torque output shaft in the torque output bearing, the torque output bearing is located torque output shaft middle part, torque output shaft right-hand member interference fit connects in second grade speed reduction bearing, interference fit is connected with the speed reduction axle in the one-level speed reduction bearing, the one-level speed reduction bearing is located the middle part of speed reduction axle, interference fit between torque output bearing and second grade speed reduction bearing and the torque output shaft for can not skid the friction between torque output bearing and the torque output shaft, effective noise reduction and vibrations when improving whole running accuracy, the one-level speed reduction bearing is located the middle part of speed reduction axle, makes speed reduction axle atress balanced.

Preferably, the middle part of the torque output shaft is connected with a second-stage reduction driven gear by right interference fit, the second-stage reduction driven gear is positioned between the torque output bearing and the second-stage reduction bearing, the left end of the reduction shaft is connected with a second-stage reduction driving gear by interference fit, the right end of the reduction shaft is connected with a first-stage reduction driven gear by interference fit, the second-stage reduction driven gear, the second-stage reduction driving gear, the first-stage reduction driven gear and the first-stage reduction driving gear are all in spiral tooth form, the tooth number and the modulus of the second-stage reduction driven gear are equal to those of the first-stage reduction driven gear, and the tooth.

Preferably, the motor output cover plate is provided with a motor output cover plate through hole, the right side of the motor output cover plate is fixedly provided with a motor through a bolt, the motor comprises a motor body and a motor output shaft, the left end of the motor body is provided with a motor mounting plate, the four corners of the motor mounting plate are provided with motor mounting holes, the left end of the motor output shaft is provided with a motor output shaft chamfer, four arriss departments of motor mounting panel are provided with motor mounting panel fillet, and the motor is used for providing the moment of torsion, and the motor is brushless motor, has avoided the friction noise of brush motor between operation in-process brush and rotor, and the motor mounting panel is used for installation and fixed motor, and motor mounting panel fillet can effectively reduce the installation and debugging personnel and take place the scraping when the installation and debugging equipment and collide with injured probability, and motor output shaft can make the installation and debugging personnel convenient install one-level speed reduction driving gear on motor output shaft.

Preferably, motor output shaft passes motor output apron through-hole, and motor output shaft interference fit is connected with one-level speed reduction driving gear, one-level speed reduction driving gear meshes with one-level speed reduction driven gear mutually, second grade speed reduction driven gear meshes with second grade speed reduction driving gear mutually, and the design of spiral profile of tooth gets into engaged state or breaks away from the engaged state with the mode of gradually going into gradually when enabling gear engagement, noise when effectively having avoided straight-tooth gear operation.

Preferably, the motor storehouse intussuseption is filled with the motor amortization cotton, the motor hole of stepping down has been seted up in the motor amortization cotton, interference fit between motor hole of stepping down and the motor body, motor bottom amortization cotton has been placed to the motor body right-hand member, the motor storehouse right-hand member passes through bolt fixedly connected with afterbody apron, and the motor body is tightly wrapped up to the motor amortization cotton, the slight noise and the vibrations that the active absorption motor during operation produced, and motor bottom amortization cotton and motor amortization cotton cover the motor body completely, effectively avoid vibrations and noise to leak, and the afterbody apron seals the right-hand member of whole device.

The invention has the beneficial effects that:

(1) utilize torque output bearing, second grade speed reduction bearing, one-level speed reduction bearing's liquid bearing technique, noise when effectively reducing the operation uses helical gear transmission technique, effectively reduces the meshing noise and the vibrations of speed reduction in-process, noise reduction from the source.

(2) Use the cotton, the motor amortization of second grade speed reduction storehouse amortization, motor amortization cotton, motor bottom amortization cotton to absorb the slight noise and the vibrations that are difficult to eliminate, prevent that the noise from leaking and transmitting to the device outside for whole device is more silent.

Drawings

FIG. 1 is a schematic view of an axial structure of the present invention;

FIG. 2 is a schematic illustration of the explosive structure of the present invention 1;

FIG. 3 is an enlarged view of the structure of FIG. 2 at F according to the present invention;

FIG. 4 is a schematic perspective view of a deceleration support plate according to the present invention;

FIG. 5 is a schematic view of an axial structure of the present invention with some parts hidden;

fig. 6 is a schematic diagram of the explosive structure of the present invention 2.

In the figure: 1. a torque output cover plate; 101. a torque output cover plate boss; 102. the inner end face of the torque output cover plate; 103. an inner hole of the torque output cover plate; 2. a secondary speed reduction bin; 201. a first-stage speed reduction bin; 202. the second-stage speed reduction bin is made of silencing cotton; 203. the first-stage speed reduction bin is made of silencing cotton; 3. a decelerating support plate; 301. an inner hole is formed in the speed reducing support plate; 302. the upper inner end surface of the deceleration support plate; 303. a lower inner hole of the decelerating supporting plate; 304. the lower inner end surface of the deceleration support plate; 305. a boss on the deceleration support plate; 306. a lower boss of the deceleration support plate; 4. a motor output cover plate; 401. a motor output cover plate through hole; 5. a motor compartment; 501. motor silencing cotton; 50101. a motor abdicating hole; 502. noise reduction cotton at the bottom of the motor; 6. a tail cover plate; 7. a torque output shaft; 701. a deceleration shaft; 8. a torque output bearing; 801. a secondary reduction bearing; 802. a first-stage reduction bearing; 9. a secondary reduction driven gear; 901. a secondary reduction drive gear; 902. a primary reduction drive gear; 903. a primary reduction driven gear; 10. a motor; 1001. an output shaft of the motor; 1002. a motor mounting hole; 1003. a motor mounting plate is provided with a round corner; 1004. a motor body; 1005. a motor mounting plate; 1006. and chamfering the output shaft of the motor.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-6, a noise reduction type gear low-speed motor includes: the torque output apron 1, the 3 and the 2 three parts in second grade speed reduction storehouse of speed reduction backup pad, wherein:

a torque output bearing 8 is installed in the torque output cover plate 1, a torque output shaft 7 is installed in the torque output bearing 8, the other end of the torque output shaft 7 is installed on the speed reduction support plate 3 through a second-stage speed reduction bearing 801, a speed reduction shaft 701 is installed below the speed reduction support plate 3 through a first-stage speed reduction bearing 802, and a motor output cover plate 4 is installed on the right side of the speed reduction support plate 3;

a secondary speed reduction bin 2 is fixedly connected between the torque output cover plate 1 and the speed reduction support plate 3 through bolts, a primary speed reduction bin 201 is fixedly installed between the speed reduction support plate 3 and the motor output cover plate 4 through bolts, and a motor bin 5 is fixedly connected to the right side of the motor output cover plate 4 through bolts;

the second-stage speed reduction bin 2 is filled with second-stage speed reduction bin silencing cotton 202, and the first-stage speed reduction bin 201 is filled with first-stage speed reduction bin silencing cotton 203.

In a further embodiment, the torque output cover plate 1 is used for closing the left end of the secondary speed reduction bin 2 and is used for installing the torque output bearing 8 so as to fix the torque output shaft 7, the torque output bearing 8 is a liquid bearing instead of a rolling bearing, noise and vibration during rotation of the torque output shaft 7 are greatly reduced, the speed reduction support plate 3 is used for fixing the torque output shaft 7 and the speed reduction shaft 701, the fixed torque output shaft 7 and the speed reduction shaft 701 can stably and normally rotate, and the secondary speed reduction bin noise reduction cotton 202 and the primary speed reduction bin noise reduction cotton 203 are used for eliminating noise during speed reduction and absorbing a part of vibration.

Specifically, referring to fig. 6, a torque output cover plate boss 101 is disposed on an outer surface of the torque output cover plate 1, a torque output cover plate inner end surface 102 and a torque output cover plate inner hole 103 are disposed in the torque output cover plate boss 101, an outer ring of the torque output bearing 8 is connected in the torque output cover plate inner hole 103 in an interference fit manner, and the torque output bearing 8 is in contact with the torque output cover plate inner end surface 102.

In a further embodiment, the inner end surface 102 of the torque output cover plate is used for enabling the torque output bearing 8 to have accurate positioning during installation, so that the perpendicularity between the central axis of the torque output bearing 8 and the right side of the torque output cover plate 1 is guaranteed, the assembly precision is effectively improved, and the noise and vibration during the speed reduction process are reduced.

Specifically, referring to fig. 4, an upper deceleration support plate boss 305 is disposed above the deceleration support plate 3, an upper deceleration support plate inner hole 301 and an upper deceleration support plate inner end face 302 are disposed in the upper deceleration support plate boss 305, a lower deceleration support plate boss 306 is disposed below the deceleration support plate 3, and a lower deceleration support plate inner hole 303 and a lower deceleration support plate inner end face 304 are disposed in the lower deceleration support plate boss 306.

In a further embodiment, the upper decelerating support plate bore 301 is located directly above the lower decelerating support plate bore 303, and the upper decelerating support plate boss 305 and the lower decelerating support plate boss 306 ensure that the decelerating support plate 3 has sufficient space to provide the upper decelerating support plate bore 301 and the lower decelerating support plate bore 303.

Specifically, referring to fig. 2, a second-stage reduction bearing 801 is connected to an upper inner hole 301 of the reduction support plate in an interference fit manner, the second-stage reduction bearing 801 is in contact with an upper inner end face 302 of the reduction support plate, a first-stage reduction bearing 802 is connected to a lower inner hole 303 of the reduction support plate in an interference fit manner, and the first-stage reduction bearing 802 is in contact with a lower inner end face 304 of the reduction support plate.

In a further embodiment, the central axis of the secondary reduction bearing 801 coincides with the central axis of the torque output bearing 8, and the central axis of the secondary reduction bearing 801 is parallel to the primary reduction bearing 802.

Specifically, referring to fig. 4, a torque output shaft 7 is connected to a torque output bearing 8 in an interference fit manner, the torque output bearing 8 is located in the middle of the torque output shaft 7, the right end of the torque output shaft 7 is connected to a second-stage reduction bearing 801 in an interference fit manner, a reduction shaft 701 is connected to a first-stage reduction bearing 802 in an interference fit manner, and the first-stage reduction bearing 802 is located in the middle of the reduction shaft 701.

In a further embodiment, the torque output bearing 8 and the secondary speed reduction bearing 801 are in interference fit with the torque output shaft 7, so that slipping friction between the torque output bearing 8 and the torque output shaft 7 is avoided, the overall operation precision is improved, noise and vibration are effectively reduced, and the primary speed reduction bearing 802 is located in the middle of the speed reduction shaft 701, so that the force on the speed reduction shaft 701 is balanced.

Specifically, referring to fig. 4 and 6, the middle portion of the torque output shaft 7 is connected to a second-stage reduction driven gear 9 by interference fit near the right, the second-stage reduction driven gear 9 is located between the torque output bearing 8 and the second-stage reduction bearing 801, the left end of the reduction shaft 701 is connected to a second-stage reduction driving gear 901 by interference fit, and the right end of the reduction shaft 701 is connected to a first-stage reduction driven gear 903 by interference fit.

In a further embodiment, the secondary reduction driven gear 9, the secondary reduction driving gear 901, the primary reduction driven gear 903 and the primary reduction driving gear 902 are all in a spiral tooth form, the number of teeth and the module of the secondary reduction driven gear 9 and the number of teeth and the module of the primary reduction driven gear 903 are equal, and the number of teeth and the module of the primary reduction driving gear 902 and the primary reduction driving gear 902 are equal.

Specifically, referring to fig. 6, a motor output cover plate through hole 401 is formed in the motor output cover plate 4, a motor 10 is fixedly mounted on the right side of the motor output cover plate 4 through a bolt, the motor 10 includes a motor body 1004 and a motor output shaft 1001, a motor mounting plate 1005 is arranged at the left end of the motor body 1004, motor mounting holes 1002 are formed at four corners of the motor mounting plate 1005, a motor output shaft chamfer 1006 is arranged at the left end of the motor output shaft 1001, and motor mounting plate fillets 1003 are arranged at four lateral edges of the motor mounting plate 1005.

In further embodiment, motor 10 is used for providing the moment of torsion, and motor 10 is brushless motor, has avoided the friction noise of brush motor between operation in-process brush and rotor, and motor mounting panel 1005 is used for installation and fixed motor 10, and motor mounting panel fillet 1003 can effectively reduce the installation and debugging personnel and take place the scraping when the installation and debugging equipment and collide with injured probability, and motor output shaft 1001 can make the convenient one-level speed reduction driving gear 902 of installation and debugging personnel on motor output shaft 1001.

Specifically, referring to fig. 3, the motor output shaft 1001 penetrates through the motor output cover plate through hole 401, the motor output shaft 1001 is connected with a first reduction driving gear 902 in an interference fit manner, the first reduction driving gear 902 is engaged with a first reduction driven gear 903, and the second reduction driven gear 9 is engaged with a second reduction driving gear 901.

In a further embodiment, the spiral tooth profile design can enable the gears to enter a meshing state or be separated from the meshing state in a gradually-in and gradually-out mode when the gears are meshed, and noise generated during operation of the straight-tooth gears is effectively avoided.

Specifically, please refer to fig. 6, the motor chamber 5 is filled with motor noise reduction cotton 501, a motor abdicating hole 50101 is formed in the motor noise reduction cotton 501, the motor abdicating hole 50101 is in interference fit with the motor body 1004, the motor bottom noise reduction cotton 502 is placed at the right end of the motor body 1004, and the right end of the motor chamber 5 is fixedly connected with the tail cover plate 6 through bolts.

In a further embodiment, the motor body 1004 is tightly wrapped by the motor silencing cotton 501, so that slight noise and vibration generated when the motor 10 works can be effectively absorbed, the motor body 1004 is fully covered by the motor bottom silencing cotton 502 and the motor silencing cotton 501, vibration and noise are effectively prevented from leaking, and the right end of the whole device is sealed by the tail cover plate 6.

The working principle of the invention is as follows: when the motor 10 starts to operate, the torque is transmitted to the first-stage reduction driven gear 903 through the first-stage reduction driving gear 902, then is transmitted to the reduction shaft 701 through the first-stage reduction driven gear 903, the reduction shaft 701 is driven to rotate in the first-stage reduction bearing 802, then the reduction shaft 701 drives the second-stage reduction driving gear 901 to rotate, then the second-stage reduction driven gear 9 is driven to rotate by the second-stage reduction driving gear 901, and finally the torque output shaft 7 is driven to rotate, because the number of teeth of the first-stage reduction driving gear 902 is far smaller than that of the first-stage reduction driven gear 903, the rotating speed of the first-stage reduction driven gear 903 is smaller than that of the first-stage reduction driving gear 902, the reducing shaft 701 enables the first-stage reduction driven gear 903 and the second-stage reduction driving gear 901 to rotate at the same speed, and the number of teeth of the second-, after the two times of speed reduction, the rotating speed output by the torque output shaft 7 is far less than that of the motor output shaft 1001, fine noise is absorbed in the gear meshing process due to the action of the second-stage speed reduction bin silencing cotton 202 and the first-stage speed reduction bin silencing cotton 203, and vibration and noise of the motor 10 are absorbed by the motor silencing cotton 501 and the motor bottom silencing cotton 502.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A noise-reduction type gear low-speed motor, comprising: a torque output bearing (8) is installed in the torque output cover plate (1), a torque output shaft (7) is installed in the torque output bearing (8), the other end of the torque output shaft (7) is installed on a speed reduction support plate (3) through a secondary speed reduction bearing (801), a speed reduction shaft (701) is installed below the speed reduction support plate (3) through a primary speed reduction bearing (802), and a motor output cover plate (4) is installed on the right side of the speed reduction support plate (3); a secondary speed reduction bin (2) is fixedly connected between the torque output cover plate (1) and the speed reduction support plate (3) through bolts, a primary speed reduction bin (201) is fixedly installed between the speed reduction support plate (3) and the motor output cover plate (4) through bolts, and a motor bin (5) is fixedly connected to the right side of the motor output cover plate (4) through bolts; the second-stage speed reduction bin (2) is filled with second-stage speed reduction bin silencing cotton (202), and the first-stage speed reduction bin (201) is filled with first-stage speed reduction bin silencing cotton (203).

2. The noise reduction type geared low speed motor according to claim 1, wherein: the torque output cover plate is characterized in that a torque output cover plate boss (101) is arranged on the outer surface of the torque output cover plate (1), a torque output cover plate inner end face (102) and a torque output cover plate inner hole (103) are formed in the torque output cover plate boss (101), the outer ring of a torque output bearing (8) is connected in the torque output cover plate inner hole (103) in an interference fit mode, and the torque output bearing (8) is in contact with the torque output cover plate inner end face (102).

3. The noise reduction type geared low speed motor according to claim 1, wherein: the upper portion of the speed reduction support plate (3) is provided with a speed reduction support plate upper boss (305), an upper inner hole (301) of the speed reduction support plate and an upper inner end face (302) of the speed reduction support plate are arranged in the speed reduction support plate upper boss (305), a lower speed reduction support plate lower boss (306) is arranged below the speed reduction support plate (3), and a lower inner hole (303) of the speed reduction support plate and a lower inner end face (304) of the speed reduction support plate are arranged in the lower boss (306) of the speed reduction support plate.

4. A noise-reducing geared low speed motor as claimed in claim 3, wherein: interference fit is connected with second grade speed reduction bearing (801) in hole (301) on the speed reduction backup pad, second grade speed reduction bearing (801) and speed reduction backup pad are gone up inner end face (302) and are contacted, interference fit is connected with one-level speed reduction bearing (802) in hole (303) under the speed reduction backup pad, inner end face (304) contact under one-level speed reduction bearing (802) and the speed reduction backup pad.

5. The noise reduction type geared low speed motor according to claim 4, wherein: the torque output bearing (8) is connected with a torque output shaft (7) in an interference fit mode, the torque output bearing (8) is located in the middle of the torque output shaft (7), the right end of the torque output shaft (7) is connected in a secondary speed reduction bearing (801) in an interference fit mode, the primary speed reduction bearing (802) is connected with a speed reduction shaft (701) in an interference fit mode, and the primary speed reduction bearing (802) is located in the middle of the speed reduction shaft (701).

6. The noise reduction type geared low speed motor according to claim 5, wherein: the middle part of the torque output shaft (7) is connected with a secondary speed reduction driven gear (9) by right interference fit, the secondary speed reduction driven gear (9) is positioned between a torque output bearing (8) and a secondary speed reduction bearing (801), the left end of a speed reduction shaft (701) is connected with a secondary speed reduction driving gear (901) by interference fit, and the right end of the speed reduction shaft (701) is connected with a primary speed reduction driven gear (903) by interference fit.

7. The noise reduction type geared low speed motor according to claim 6, wherein: motor output apron through-hole (401) have been seted up on motor output apron (4), there is motor (10) motor output apron (4) right side through bolt fixed mounting, motor (10) are including motor body (1004) and motor output shaft (1001), motor body (1004) left end is provided with motor mounting panel (1005), motor mounting hole (1002) have been seted up to motor mounting panel (1005) four corners department, motor output shaft (1001) left end is provided with motor output shaft chamfer (1006), four arris departments of motor mounting panel (1005) are provided with motor mounting panel fillet (1003).

8. The noise-reducing geared low speed motor of claim 7, wherein: the motor output shaft (1001) penetrates through the motor output cover plate through hole (401), the motor output shaft (1001) is connected with a first-stage reduction driving gear (902) in an interference fit mode, the first-stage reduction driving gear (902) is meshed with a first-stage reduction driven gear (903), and a second-stage reduction driven gear (9) is meshed with a second-stage reduction driving gear (901).

9. The noise reduction type geared low speed motor according to claim 1, wherein: motor amortization cotton (501) are filled in motor storehouse (5), motor abdicating hole (50101) has been seted up in motor amortization cotton (501), interference fit between motor abdicating hole (50101) and motor body (1004), motor bottom amortization cotton (502) have been placed to motor body (1004) right-hand member, bolt fixedly connected with afterbody apron (6) are passed through to motor storehouse (5) right-hand member.