CN107986182B

CN107986182B - Electric hoist using planetary reducer

Info

Publication number: CN107986182B
Application number: CN201711262365.1A
Authority: CN
Inventors: 汪晖
Original assignee: Anhui Future Electromechanical Technology Co ltd
Current assignee: Anhui Future Electromechanical Technology Co ltd
Priority date: 2017-12-04
Filing date: 2017-12-04
Publication date: 2020-04-21
Anticipated expiration: 2037-12-04
Also published as: CN107986182A

Abstract

The invention discloses an electric hoist using a planetary reducer, which comprises a shell, wherein a motor, the planetary reducer, a transmission shaft and a fixed shaft are arranged in the shell, a lifting hole is formed in the lower surface of the shell, a steel wire is wound on a winding drum, one end of the steel wire penetrates through the lifting hole to be connected with a lifting hook, one end of the planetary reducer is provided with an input shaft, the other end of the planetary reducer is provided with an output shaft, the input shaft is connected with the motor, the output shaft is connected with the transmission shaft, the transmission shaft is connected with the fixed shaft, one end of the motor is fixed on the inner wall of the shell, the inner wall of the shell is provided with a mounting hole, the inner wall of the mounting hole is connected with one; the speed of the electric hoist can be changed according to different hoisted objects, the application of the planetary reducer on the electric hoist is realized, the application field of the planetary reducer is increased, and the problems in the background art are effectively solved.

Description

Electric hoist using planetary reducer

Technical Field

The invention relates to an electric hoist using a planetary reducer, belonging to the field of application of planetary reducers.

Background

The speed reducer is a machine which reduces the rotating speed by gear transmission or gear and worm gear transmission to meet requirements and is arranged between a prime motor and a working machine. The reducer has wide application, and the shadow of the reducer is arranged on automobiles, aviation, ships and various engineering mechanical equipment. The existing speed reducer produced in China is generally in two forms of cylindrical gear and bevel gear combined transmission, with the technological progress and the continuous introduction of foreign advanced technologies in recent years, some enterprises also develop a new generation of planetary speed reducer and produce some achievements, but most of the speed reducer is used in the fields of automobiles and aviation and relates to a lot of engineering machinery.

Disclosure of Invention

The invention provides an electric hoist using a planetary reducer, which overcomes the defect that the conventional planetary reducer is less in application to engineering machinery, and increases the application range of the planetary reducer.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention provides an electric hoist using a planetary reducer, which comprises a shell, wherein a motor, the planetary reducer, a transmission shaft and a fixed shaft are arranged in the shell, a lifting hole is formed in the lower surface of the shell, the transmission shaft penetrates through a winding drum, a steel wire is wound on the winding drum, one end of the steel wire penetrates through the lifting hole and is connected with a lifting hook, an input shaft is arranged at one end of the planetary reducer, an output shaft is arranged at the other end of the planetary reducer, the input shaft is connected with the motor, the output shaft is connected with the transmission shaft, the transmission shaft is connected with the fixed shaft, one end of the motor is fixed on the inner wall of the shell, a mounting hole is formed in the inner wall of the shell, the.

Preferably, circular baffles are arranged on two sides of the winding drum, and the distance between the circular baffles is slightly larger than the diameter of the steel wire.

Preferably, the planetary reducer comprises a sun gear, three planet gears and an outer gear ring, the axis of one side of the sun gear is connected with the input shaft, one side of the planet gears is meshed with the sun gear, the other side of the planet gears is meshed with the outer gear ring, and the axis of the planet gears is connected with the driven shaft.

Preferably, the driven shafts are arranged in a delta shape, and an output shaft is arranged between the driven shafts.

Preferably, the axis of the planet wheel is connected with a driven shaft, and an output shaft is arranged between the driven shafts.

Preferably, the driven shaft is connected with a driven gear in a penetrating mode, and the size and the number of teeth of the driven gear are consistent with those of the corresponding planet gears.

Preferably, the output shaft is connected with an output gear in a penetrating manner, driven gears are respectively arranged right above and on two sides of the output gear, and one end of the output shaft is connected with the switching shaft in a shaft connection manner.

Preferably, the end face of the switching shaft is fixedly connected with the end face of a telescopic rod, and the bottom of the telescopic rod is connected with the top of the lifting rod.

Preferably, a connecting ring is arranged on the inner wall of the mounting hole, the outer wall of the connecting ring is connected with the inner wall of the mounting hole through a compression spring, and the inner wall of the connecting ring is axially connected with the fixing shaft.

Preferably, the controller is electrically connected with the telescopic rod, the lifting rod and the motor.

Through the technical scheme, the invention has the beneficial effects that: the speed of the electric hoist can be changed according to different hoisted objects, the application of the planetary reducer on the electric hoist is realized, the application field of the planetary reducer is increased, and the problems in the background art are effectively solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an internal schematic view of the planetary reducer;

FIG. 3 is a schematic illustration of a planetary transmission connection;

figure 4 is a schematic view of the attachment ring configuration.

FIG. 1, a housing; 2. a planetary reducer; 3. an input shaft; 4. an output shaft; 5. a drive shaft; 6. a reel; 7. a circular baffle; 8. a lifting hole; 9. a steel wire; 10. a hook; 11. a fixed shaft; 12. an electric motor; 13. a sun gear; 14. a planet wheel; 15. an outer ring gear; 16. a driven shaft; 17. an output gear; 18. a lifting rod; 19. lifting and shrinking the rod; 20. a driven gear; 21. a switching shaft; 22. mounting holes; 23. a connecting ring; 24. compressing the spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

The utility model provides an use planetary reducer's electric block, includes

casing

1, 1 inside motor 12, planetary reducer 2, transmission shaft 5 and the fixed axle 11 of being equipped with of casing, 1 lower surface of casing is equipped with lift hole 8, 5 run-through connection reels 6 of transmission shaft, the winding has steel wire 9 on the reel 6, 9 one end of steel wire is passed lift hole 8 and is linked to each other with

lifting hook

10, 2 one end of planetary reducer is equipped with input shaft 3, and the other end is equipped with output shaft 4, input shaft 3 links to each other with motor 12, output shaft 4 links to each other with 5 axles of transmission shaft, transmission shaft 5 links to each other with fixed axle 11 axles, motor 12 one end is fixed on 1 inner wall of casing, be equipped with mounting hole 22 on 1 inner wall of casing, the mounting hole 22 inner wall links to each other with 11 one end of fixed axle.

Preferably, circular baffles 7 are arranged on two sides of the winding drum 6, and the distance between the circular baffles 7 is slightly larger than the diameter of the steel wire 9.

Preferably, the planetary reducer 2 includes a sun gear 13, three planet gears 14 and an outer gear ring 15, the axis of one side of the sun gear 13 is connected with the input shaft 3, one side of the planet gears 14 is meshed with the sun gear 13, the other side of the planet gears 14 is meshed with the outer gear ring 15, and the axis of the planet gears 14 is connected with the driven shaft 16.

Preferably, the driven shafts 16 are arranged in a delta shape, and the output shaft 4 is arranged between the driven shafts 16.

Preferably, a driven gear 20 is connected to the driven shaft 16 in a penetrating manner, and the size and the number of teeth of the driven gear 20 are consistent with those of the corresponding planet gears 14.

Preferably, the output shaft 4 is connected with an output gear 17 in a penetrating manner, driven gears 20 are respectively arranged right above and at two sides of the output gear 17, and one end of the output shaft 4 is connected with a switching shaft 21 in a shaft connection manner.

Preferably, the end surface of the switching shaft 21 is fixedly connected with the end surface of the telescopic rod 19, and the bottom of the telescopic rod 19 is connected with the top of the lifting rod 18.

Preferably, a connecting ring 23 is arranged on the inner wall of the mounting hole 22, the outer wall of the connecting ring 23 is connected with the inner wall of the mounting hole 22 through a compression spring 24, and the inner wall of the connecting ring 22 is axially connected with the fixing shaft 11.

Preferably, the controller is electrically connected to the telescopic rod 19, the lifting rod 18 and the motor 12.

When the lifting appliance is used specifically, the motor 12 is started through the controller, the transmission shaft 5 is further driven to rotate under the rotation of the motor 12, the lifting hook 10 is gradually dropped from the air, when the lifting appliance reaches the bottom, the motor 12 is stopped through the controller, then the lifting hook 10 hooks a heavy object, the heavy object is lifted through the reverse starting motor 12, if the heavy object is heavier, the telescopic rod 19 and the lifting rod 28 are started through the controller, the switching shaft 21 is made to move, the output gear 17 is further meshed with the driven gear 20 with more teeth, the effect of reducing the rotating speed and increasing the torque is achieved, if the lifting speed is increased, the telescopic rod 19 and the lifting rod 18 are started through the controller, the switching shaft 21 is made to move, the output gear 17 is further meshed with the driven gear 20 with less teeth, the effect of increasing the rotating speed is achieved, and the lifting speed is.

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. An electric block using a planetary reducer comprises a shell, and is characterized in that: the inner part of the shell is provided with a motor, a planetary reducer, a transmission shaft and a fixed shaft, the lower surface of the shell is provided with a lifting hole, the transmission shaft is connected with a winding drum in a penetrating way, a steel wire is wound on the winding drum, one end of the steel wire penetrates through the lifting hole to be connected with a lifting hook, one end of the planetary reducer is provided with an input shaft, the other end of the planetary reducer is provided with an output shaft, the input shaft is connected with the motor, the output shaft is connected with the transmission shaft, the transmission shaft is connected with the fixed shaft, one end of the motor is fixed on the inner wall of the shell, the inner wall of the shell is provided with a mounting hole, the inner wall of the mounting hole is connected with one end of the fixed shaft, the outer side of the shell is connected with a controller, the planetary, the planet wheel axle center links to each other with the driven shaft, through connection has output gear on the output shaft, be equipped with driven gear directly over the output gear respectively with both sides, output shaft one end axle is even the switching shaft, switching shaft terminal surface fixed connection telescopic link terminal surface, the lifter top is connected to the telescopic link bottom, be equipped with the go-between on the mounting hole inner wall, be connected through compression spring between go-between outer wall and the mounting hole inner wall, go-between inner wall axle is even fixed axle, through connection has driven gear on the driven shaft, driven gear size, number of teeth are unanimous with corresponding planet wheel.

2. An electric block using a planetary reducer according to claim 1, wherein: and circular baffles are arranged on two sides of the winding drum, and the distance between the baffles is slightly larger than the diameter of the steel wire.

3. An electric block using a planetary reducer according to claim 1, wherein: the driven shafts are arranged in a triangular shape, and an output shaft is arranged between the driven shafts.

4. An electric block using a planetary reducer according to claim 1, wherein: the controller is electrically connected with the telescopic rod, the lifting rod and the motor.