CN216009484U

CN216009484U - Speed reducer with stable transmission

Info

Publication number: CN216009484U
Application number: CN202121479492.9U
Authority: CN
Inventors: 诸国建; 殷春华; 诸金秀; 高佳晨
Original assignee: Zhejiang Sanxin Heavy Industry Transmission Co ltd
Current assignee: Zhejiang Sanxin Heavy Industry Transmission Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-03-11
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a speed reducer with stable transmission, which comprises a speed reducer body, a damping piece and a buffer block, wherein the damping piece comprises a base and a buffer body, a mounting plate is arranged on the base through four buffer bodies, a motor is arranged on the mounting plate, the buffer body comprises an outer spring, an upper moving pipe, a lower fixing pipe and an inner spring, an output shaft of the motor penetrates through the buffer block and is connected with an input shaft of the speed reducer body, a plurality of lower damping bodies are arranged at the lower end of the buffer block, and each lower damping body comprises an upper moving rod and a lower sleeve. The utility model has the beneficial effects that: the buffer body and the lower shock absorption body are arranged to buffer and buffer the shock generated by the rotation of the motor, so that the stability of the output power of the speed reducer is improved; the input shaft of the speed reducer is inserted in the mounting hole, so that the total length of the input shaft and the output shaft after connection is reduced, and the output torque of the motor is more stable and is not easy to shake.

Description

Speed reducer with stable transmission

Technical Field

The utility model belongs to the technical field of speed reducers, and particularly relates to a speed reducer with stable transmission.

Background

The speed reducer is a speed reducer, and the speed reducer is an independent closed transmission device between the prime motor and the working machine and is used for reducing the rotating speed and increasing the torque. The reduction gear serves to match the rotational speed and the torque transmission between the prime mover and the working machine or the actuator, and is used in modern machines in a very wide range of applications.

The existing speed reducer still has the following problems: vibration generated by the rotation of the motor is transmitted to the speed reducer, so that the speed reducer cannot stably and stably output power; the speed reducer is connected with the motor through the coupler, the total length of the output shaft of the motor after being connected with the input shaft of the speed reducer is increased, the output torque of the motor is unstable, and the motor is easy to shake.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a speed reducer with stable transmission, which ensures that the output torque of a motor is more stable and is not easy to shake, ensures the stable output power of the speed reducer and is particularly suitable for being used on various mechanical speed reducers.

The technical scheme of the utility model is as follows: the utility model provides a speed reducer that transmission is steady, includes speed reducer body, damping piece, buffer block, the damping piece include the base, the buffering body, the base on be equipped with the mounting panel through four buffering bodies, the mounting panel on be equipped with the motor, the buffering body include outer spring, move the pipe, fix pipe and interior spring down, outer spring upper and lower end fix respectively on mounting panel and base, be equipped with in the outer spring and move the pipe, fix the pipe down, last removal pipe upper end seal, and fix on the mounting panel lower surface, the lower extreme opening of last removal pipe, fix pipe upper end opening, lower extreme seal down, and its lower extreme is fixed on the base, goes up removal pipe lower extreme and gets into from fixing the pipe upper end down, and the removal is established in the fixed pipe down, interior spring is established at last removal pipe top, fixes down respectively, and upper and lower extreme is fixed at last removal pipe top, The bottom of the lower fixed pipe is provided, the output shaft of the motor penetrates through the buffer block and is connected with the input shaft of the speed reducer body, the lower end of the buffer block is provided with a plurality of lower shock absorbers, a through hole for the output shaft of the motor to penetrate is formed in the middle of the buffer block, a bearing is arranged between the output shaft of the motor and the through hole, each lower shock absorber comprises an upper moving rod and a lower sleeve, the upper end of each upper moving rod is fixed at the lower end of the buffer block, the lower end of each upper moving rod enters the lower sleeve, a shock absorption spring is arranged between the lower end of each upper moving rod and the lower sleeve in the lower sleeve, the right end of the output shaft of the motor is provided with a mounting hole matched with the input shaft of the speed reducer body, and the input shaft of the speed reducer body is inserted into the mounting hole.

Preferably, the outer side of the lower end of the upper moving pipe is circumferentially provided with an annular clamping plate, and the inner side of the opening at the upper end of the lower fixed pipe is circumferentially provided with an annular baffle matched with the annular clamping plate.

Preferably, the mounting hole is internally and circumferentially provided with splines which are uniformly distributed, and the outer wall of the input shaft of the speed reducer is provided with spline grooves which are uniformly distributed.

Preferably, a threaded hole communicated with the mounting hole is formed in the right end of the output shaft of the motor, and the fixing screw penetrates through the threaded hole and abuts against the outer wall of the input shaft of the speed reducer body.

Preferably, two ends of the upper moving rod entering the lower casing are respectively provided with a sliding rod, sliding grooves matched with the sliding rods are respectively arranged in the lower casing, and the sliding rods are arranged in the sliding grooves in a sliding manner.

The utility model has the advantages and positive effects that: by adopting the technical scheme, the arranged buffer body and the lower damping body play roles of buffering and slowly closing the vibration generated when the motor rotates, and the stability of the output power of the speed reducer is improved; the input shaft of the speed reducer is inserted in the mounting hole, so that the total length of the input shaft and the output shaft after connection is reduced, and the output torque of the motor is more stable and is not easy to shake.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of the connection between the motor output shaft and the reducer input shaft.

Fig. 3 is a schematic view of the structure of the shock absorbing member.

In the figure:

1. speed reducer body 2, buffer block 3 and base

4. Buffer 5, mounting plate 6 and motor

7 upper moving pipe 8, lower fixed pipe 9 and internal spring

10. Outer spring 11, upper moving rod 12 and lower sleeve

13. Damping spring 14, spline 15 and spline groove

16. And fixing the screw.

Detailed Description

As shown in fig. 1-3, the technical solution of the present invention is a smooth-transmission speed reducer, comprising a speed reducer body 1, a damping member, and a buffer block 2, wherein the damping member comprises a base 3 and a buffer body 4, the base 3 is provided with a mounting plate 5 through four buffer bodies 4, the mounting plate 5 is provided with a motor 6, the buffer body 4 comprises an outer spring 10, an upper moving pipe 7, a lower fixed pipe 8, and an inner spring 9, the upper and lower ends of the outer spring 10 are respectively fixed on the mounting plate 5 and the base 3, the outer spring 10 is provided with the upper moving pipe 7 and the lower fixed pipe 8, the upper end of the upper moving pipe 7 is closed and fixed on the lower surface of the mounting plate 5, the lower end of the moving pipe 7 is open, the upper end and the lower end of the lower fixed pipe 8 are closed, the lower end of the lower fixed pipe is fixed on the base 3, the lower end of the upper moving pipe 7 enters from the upper end of the lower fixed pipe 8, and movably arranged in the lower fixed tube 8, the inner spring 9 is arranged on the upper moving tube 7 and the lower fixed tube 8, and the upper end and the lower end are respectively fixed at the top end of the upper moving tube 7 and the bottom end of the lower fixed tube 8,

an output shaft of the motor 6 penetrates through the buffer block 2 and is connected with an input shaft of the speed reducer body 1, a plurality of lower shock absorbers are arranged at the lower end of the buffer block 2, a through hole for the output shaft of the motor 6 to penetrate through is arranged in the middle of the buffer block 2, a bearing is arranged between the output shaft of the motor 6 and the through hole,

the lower shock absorber comprises an upper moving rod 11 and a lower sleeve 12, the upper end of the upper moving rod 11 is fixed at the lower end of the buffer block 2, the lower end of the upper moving rod 11 enters the lower sleeve 12, a shock absorbing spring 13 is arranged between the lower end of the upper moving rod 11 entering the lower sleeve 12 and the lower sleeve 12,

the right end of the output shaft of the motor 6 is provided with a mounting hole matched with the input shaft of the speed reducer body 1, the input shaft of the speed reducer body 1 is inserted into the mounting hole, the total length of the input shaft and the output shaft after connection is reduced, the output torque of the motor 6 is more stable, shaking is not easy to generate, and the service lives of the speed reducer and the motor 6 are prolonged.

In this embodiment, the outer circumference of the lower end of the upper moving pipe 7 is provided with an annular snap-gauge, the inner circumference of the opening at the upper end of the lower fixed pipe 8 is provided with an annular baffle matched with the annular snap-gauge, and the annular snap-gauge is matched with the annular baffle to ensure that the upper moving pipe 7 cannot move out of the lower fixed pipe 8.

In this embodiment, the mounting hole is internally and circumferentially provided with splines 14 which are uniformly distributed, and the outer wall of the input shaft of the speed reducer body 1 is provided with spline grooves 15 which are uniformly distributed.

In this embodiment, a threaded hole communicated with the mounting hole is formed at the right end of the output shaft of the motor 6, and the fixing screw 16 penetrates through the threaded hole and abuts against the outer wall of the input shaft of the speed reducer body 1.

In this embodiment, two ends of the upper moving rod 11 entering the lower casing 12 are respectively provided with a sliding rod, and the lower casing 12 is respectively provided with a sliding slot matched with the sliding rod, and the sliding rod is slidably arranged in the sliding slot.

The working process and principle of the example are as follows: in various mechanical occasions, when the speed reducer is required to be used, the base is provided with a mounting plate through a buffering body, the speed reducer can be finished products or can be installed on site, then a motor is fixed on the mounting plate through bolts, welding and the like, then the buffering block is installed through the lower damping body, the output shaft of the motor penetrates through a through hole, the input shaft of the speed reducer body is inserted into the mounting hole, and the speed reducer body can be arranged on the base through the mounting seat.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a speed reducer that transmission is steady which characterized in that: the damping device comprises a speed reducer body, a damping part and a buffer block, wherein the damping part comprises a base and a buffer body, a mounting plate is arranged on the base through four buffer bodies, a motor is arranged on the mounting plate, the buffer body comprises an outer spring, an upper moving pipe, a lower fixing pipe and an inner spring, the upper end and the lower end of the outer spring are respectively fixed on the mounting plate and the base, the outer spring is internally provided with the upper moving pipe and the lower fixing pipe, the upper end of the upper moving pipe is sealed and fixed on the lower surface of the mounting plate, the lower end of the upper moving pipe is opened, the upper end and the lower end of the lower fixing pipe are sealed, the lower end of the upper fixing pipe is fixed on the base, the lower end of the upper moving pipe enters from the upper end of the lower fixing pipe and is movably arranged in the lower fixing pipe, the inner spring is arranged on the upper moving pipe and the lower fixing pipe, the upper end and the lower end of the upper moving pipe are respectively fixed at the top end and the bottom end of the lower fixing pipe, an output shaft of the motor passes through the buffer block, the damping device is characterized by further comprising a plurality of lower damping bodies, the lower end of the buffer block is provided with a through hole for the output shaft of the motor to pass through, a bearing is arranged between the output shaft of the motor and the through hole, each lower damping body comprises an upper moving rod and a lower sleeve, the upper end of each upper moving rod is fixed at the lower end of the buffer block, the lower end of each upper moving rod enters the lower sleeve, a damping spring is arranged between the lower end of each upper moving rod entering the lower sleeve and the lower sleeve, the right end of the output shaft of the motor is provided with a mounting hole matched with the input shaft of the speed reducer body, and the input shaft of the speed reducer body is inserted into the mounting hole.

2. A smoothly-driven speed reducer according to claim 1, wherein: the annular clamping plate is arranged on the periphery of the outer side of the lower end of the upper moving pipe, and the annular baffle matched with the annular clamping plate is arranged on the periphery of the inner side of the opening at the upper end of the lower fixing pipe.

3. A smoothly-driven speed reducer according to claim 1, wherein: the inner circumference of the mounting hole is provided with splines which are uniformly distributed, and the outer wall of the input shaft of the speed reducer is provided with spline grooves which are uniformly distributed.

4. A smoothly-driven speed reducer according to claim 1, wherein: and a threaded hole communicated with the mounting hole is formed in the right end of the output shaft of the motor, and a fixing screw penetrates through the threaded hole and abuts against the outer wall of the input shaft of the speed reducer body.

5. A smoothly-driven speed reducer according to claim 1, wherein: the two ends of the upper moving rod entering the lower sleeve are respectively provided with a sliding rod, the lower sleeve is internally provided with a sliding groove matched with the sliding rod, and the sliding rod is arranged in the sliding groove in a sliding manner.