CN217216247U

CN217216247U - Speed reducing motor shaft

Info

Publication number: CN217216247U
Application number: CN202220304387.XU
Authority: CN
Inventors: 张友法
Original assignee: Funing Zhongzheng Machinery Manufacturing Co ltd
Current assignee: Funing Zhongzheng Machinery Manufacturing Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-08-16
Anticipated expiration: 2032-02-15

Abstract

The utility model relates to the field of motor shafts, in particular to a speed reducing motor shaft, which comprises a base, an input shaft, an output shaft, a shell, a connecting interface, a primary speed reducing gear, a transmission disc A, a secondary speed reducing gear, a transmission disc B and a tertiary speed reducing gear; the top of the base is connected with the shell; the side surface of the shell is connected with the input shaft; one end of the shell, which is far away from the input shaft, is rotationally connected with the output shaft; the input shaft is hollow, a transmission rod is arranged in the input shaft, and one end of the transmission rod is connected with the connecting interface; a plurality of groups of radiating fins are arranged on the outer end face of the side face of the shell; the plurality of groups of radiating fins are distributed on the shell in a circumferential manner; a gear ring is arranged in the shell and is meshed with the primary reduction gear; the gear ring is meshed with the secondary reduction gear. The utility model discloses a too much mechanical friction has been avoided in the time of multiunit gear combination can effectual realization speed reduction effect, has improved transmission efficiency.

Description

Speed reducing motor shaft

Technical Field

The utility model relates to a motor shaft technical field especially relates to a reducing motor shaft.

Background

The speed reducing motor is characterized in that a speed reducer and a motor are integrated, the integrated body can be generally called as a gear motor or a gear motor, and the speed reducing motor is widely applied to various fields along with the promotion of mechanical production. A rotor and a stator are arranged in a shell of the speed reducing motor, the rotor comprises a rotor shaft, an iron core and a direction changer, the iron core and the direction changer are fixed on the rotor, a coil is wound on the iron core, an outgoing line on the iron core is fixed with the direction changer, and the rotor can be rotated through the matching of the stator and the rotor. The fixed mode between rotor shaft and the iron core at present generally is that realize circumference fixedly through the key-type connection between iron core and the rotor shaft, realizes the axial fixity between iron core and the rotor shaft through interference fit between rotor shaft and the iron core simultaneously.

Chinese patent with grant publication number CN213402710U discloses a reducing motor shaft, including the axle body, be provided with the first installation department that is used for installing the iron core on the axle body, first installation department includes a plurality of cambered surfaces and a plurality of planes, a plurality of planes and a plurality of cambered surface are laid in turn, the inner circle shape of iron core sets up the shape into with first installation department adaptation, one side of first installation department still is provided with the second installation department that the second is used for installing the commutator on the axle body, be provided with first baffle between second installation department and the second installation department, one side that the second installation department was kept away from to first installation department is provided with the second baffle, wear to be equipped with countersunk bolt between second baffle and the first installation department, and the external diameter of first baffle and second baffle all is bigger than the external diameter of first installation department, it has advantages such as make iron core and diversion convenience more in the dismouting.

However, the above-mentioned known solutions have the following disadvantages: reduce overheated rotation resistance increase in having leaded to above-mentioned scheme through the combination of leading oil groove and inlet port in above-mentioned scheme, simultaneously because the uneven distribution of fluid makes above-mentioned device take place eccentric rotation easily when high-speed rotation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists among the background art, the utility model provides a gear motor shaft, the utility model discloses a multiunit gear combination has avoided too much mechanical friction when can effectual realization speed reduction effect, has improved transmission efficiency.

The utility model provides a speed reduction motor shaft, which comprises a base, an input shaft, an output shaft, a shell, a connecting interface, a primary speed reduction gear, a transmission disc A, a secondary speed reduction gear, a transmission disc B and a tertiary speed reduction gear;

the top of the base is connected with the shell; the side surface of the shell is connected with the input shaft; one end of the shell, which is far away from the input shaft, is rotationally connected with the output shaft; the input shaft is hollow, a transmission rod is arranged in the input shaft, and one end of the transmission rod is connected with the connecting interface; a plurality of groups of radiating fins are arranged on the outer end face of the side face of the shell; a plurality of groups of radiating fins are distributed on the shell in a circumferential manner; a gear ring is arranged in the shell and is meshed with the primary reduction gear; the gear ring is meshed with the secondary reduction gear; the gear ring is meshed with the third-stage reduction gear; the transmission rod is in transmission connection with the toothed ring; the gear ring is rotationally connected with the inner wall of the shell; a gear A is arranged at the center of the transmission disc A and is meshed and connected with a plurality of groups of first-stage reduction gears; the transmission disc A is rotationally connected with the secondary reduction gear; the transmission disc B is provided with a gear B which is meshed with the secondary reduction gear; one end of the transmission disc B, which is far away from the second-stage reduction gear, is rotationally connected with the third-stage reduction gear; the output shaft is provided with a gear C which is meshed with the three-stage reduction gear.

Preferably, a shell support is arranged on the top of the base, a damping device is arranged on the shell support, and the damping device is connected with a seam of the shell.

Preferably, the heat sink is a copper heat sink.

Preferably, a plurality of groups of gear rings are arranged in the shell and are in meshed connection with the plurality of groups of reduction gears.

Preferably, an oil inlet hole is formed in the side face of the input shaft, an oil path channel is arranged inside the input shaft, and the oil path channel is wound on the transmission rod.

Preferably, the shell is provided with a shaft sleeve, and the shaft sleeve is rotatably connected with the output shaft.

Preferably, the side surface of the transmission disc A is provided with a wear-resistant layer, and a gap exists between the side surface of the transmission disc A and the reduction gear.

Preferably, a cover body is arranged on the side face of the shell, and the cover body faces the direction of the inner gear ring.

The above technical scheme of the utility model has following profitable technological effect:

the utility model discloses a multiunit gear combination has avoided too much mechanical friction when can effectual realization speed reduction effect, has improved transmission efficiency, when the rotation efficiency of inside gear can be guaranteed to the fin through the side, has reduced the overheated inflation and has leaded to the dead risk of card, and the combination through multiunit reduction gear can make the slew velocity evenly descend to the stability of this device has been improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a reduction motor shaft according to the present invention;

fig. 2 is a schematic structural view of a first reduction gear in a shaft of a reduction motor according to the present invention;

fig. 3 is a side view of a reduction motor shaft according to the present invention;

reference numerals: 1. a base; 2. an input shaft; 3. an output shaft; 4. a housing; 5. a heat sink; 6. connecting an interface; 7. a primary reduction gear; 8. a transmission disc A; 9. a secondary reduction gear; 10. a transmission disc B; 11. three-stage reduction gear.

Detailed Description

Example one

As shown in fig. 1-3, the utility model provides a speed reduction motor shaft, including base 1, input shaft 2, output shaft 3, casing 4, connection interface 6, primary reduction gear 7, driving disc A8, secondary reduction gear 9, driving disc B10 and tertiary reduction gear 11;

the top of the base 1 is connected with the shell 4; the side surface of the shell 4 is connected with the input shaft 2; one end of the shell 4 far away from the input shaft 2 is rotationally connected with the output shaft 3; the input shaft 2 is hollow, a transmission rod is arranged in the input shaft 2, and one end of the transmission rod is connected with the connecting interface 6; a plurality of groups of radiating fins 5 are arranged on the outer end face of the side face of the shell 4; a plurality of groups of radiating fins 5 are distributed on the shell 4 in a circumferential manner; a gear ring is arranged in the shell 4 and is meshed with the primary reduction gear 7; the gear ring is meshed with the secondary reduction gear 9; the gear ring is meshed with the third-stage reduction gear 11; the transmission rod is in transmission connection with the toothed ring; the gear ring is rotatably connected with the inner wall of the shell 4; a gear A is arranged at the center of the transmission disc A8 and is meshed with a plurality of groups of first-stage reduction gears 7; the transmission disc A8 is rotationally connected with the secondary reduction gear 9; a gear B is arranged on the transmission disc B10 and is meshed with the secondary reduction gear 9; one end of the transmission disc B10 far away from the secondary reduction gear 9 is rotationally connected with the tertiary reduction gear 11; the output shaft 3 is provided with a gear C which is meshed with the three-stage reduction gear 11; the radiating fins 5 are copper radiating fins; a plurality of groups of gear rings are arranged in the shell 4 and are meshed and connected with a plurality of groups of reduction gears; a shaft sleeve is arranged on the shell 4 and is rotationally connected with the output shaft 3; a wear-resistant layer is arranged on the side surface of the transmission disc A8, and a gap is formed between the side surface of the transmission disc A8 and the reduction gear; the side of the shell 4 is provided with a cover body which faces to the direction of the inner gear ring.

In the embodiment, through the series transmission effect of a plurality of groups of gears, uniform speed reduction can be carried out according to the difference between the gear ratio of the gears and the gear ring, so that the speed reducer can run more stably for a long time compared with the traditional friction speed reducer, when the device is in a working state, the device can be conveniently and fixedly connected through the combination of the input shaft 2 and the output shaft 3 of the device, the combination of the base 1 and the shell 4 can effectively improve the stability of the internal structure of the device, the heat generated by the rotation friction of the internal gear can be rapidly dissipated through the structure of the heat dissipation fins 5, so that the stability of internal rotation is ensured, the gears can be placed inside the shell 4 to rock through the interval effect of the transmission discs while the transmission is coherent through the combination of the speed reduction gears and the transmission discs, so that the offset friction of the gears is avoided, and meanwhile, the structure of the internal gear ring gear can be conveniently installed and replaced from the side surface of the shell 4, thereby changing the speed ratio of the device for reducing speed.

Example two

As shown in fig. 2-3, compared with the first embodiment, in the first embodiment, the top of the base 1 is provided with the housing bracket, the housing bracket is provided with the damping device, and the damping device is connected with the seam of the housing 4; an oil inlet hole is formed in the side face of the input shaft 2, an oil path channel is arranged inside the input shaft 2, and the oil path channel is wound on the transmission rod.

The utility model discloses an in the embodiment, vibration that damping device produced when can avoiding this device gear revolve transmits to base 1 on, can prevent effectively that installation set screw is not hard up, can effectually improve the radiating efficiency of this device through oil sweetgum fruit way.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A speed reduction motor shaft is characterized by comprising a base (1), an input shaft (2), an output shaft (3), a shell (4), a connecting interface (6), a primary speed reduction gear (7), a transmission disc A (8), a secondary speed reduction gear (9), a transmission disc B (10) and a tertiary speed reduction gear (11);

the top of the base (1) is connected with the shell (4); the side surface of the shell (4) is connected with the input shaft (2); one end of the shell (4) far away from the input shaft (2) is rotationally connected with the output shaft (3); the input shaft (2) is hollow, a transmission rod is arranged in the input shaft (2), and one end of the transmission rod is connected with the connecting interface (6); a plurality of groups of radiating fins (5) are arranged on the outer end face of the side face of the shell (4); a plurality of groups of radiating fins (5) are distributed on the shell (4) in a circumferential manner; a gear ring is arranged in the shell (4) and is meshed and connected with the primary reduction gear (7); the gear ring is meshed with the secondary reduction gear (9); the gear ring is meshed with the third-stage reduction gear (11); the transmission rod is in transmission connection with the toothed ring; the gear ring is rotatably connected with the inner wall of the shell (4); a gear A is arranged at the center of the transmission disc A (8), and the gear is meshed with a plurality of groups of first-stage reduction gears (7); the transmission disc A (8) is rotationally connected with the secondary reduction gear (9); a gear B is arranged on the transmission disc B (10) and is meshed with the secondary reduction gear (9); one end of the transmission disc B (10) far away from the secondary reduction gear (9) is rotationally connected with the tertiary reduction gear (11); the output shaft (3) is provided with a gear C which is meshed and connected with the three-stage reduction gear (11).

2. The decelerating motor shaft according to claim 1, characterized in that a housing support is provided on top of the base (1), and a damping device is provided on the housing support, the damping device being connected to the housing (4) at a seam.

3. A decelerating motor shaft as claimed in claim 1, characterised in that the fins (5) are copper fins.

4. The reducer motor shaft according to claim 1, wherein the housing (4) is internally provided with a plurality of sets of toothed rings, which are in meshing connection with a plurality of sets of reduction gears.

5. The decelerating motor shaft according to claim 1, wherein the input shaft (2) has an oil inlet on a side thereof, and the input shaft (2) has an oil passage therein, the oil passage being wound around the transmission rod.

6. A decelerating motor shaft as claimed in claim 1, characterised in that the housing (4) is provided with a sleeve which is rotatably connected to the output shaft (3).

7. The motor shaft for reduction gears of claim 1, wherein the side of the transmission disk A (8) is provided with a wear resistant layer, and a gap exists between the side of the transmission disk A (8) and the reduction gears.

8. Deceleration motor shaft according to claim 1, characterised in that the casing (4) is flanked by covers facing the inner ring gear.