CN216158208U

CN216158208U - Slip double-speed reducer

Info

Publication number: CN216158208U
Application number: CN202122294742.8U
Authority: CN
Inventors: 陈超; 田春; 吴萌岭; 陈茂林; 马天和
Original assignee: Tongji University
Current assignee: Tongji University
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-01
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to a slip double-speed reducer which comprises a rack (1) and an inner cover (2) fixed on the rack (1), wherein a box cover (3) is rotatably arranged on the inner cover (2), an output shaft (4) is arranged on the box cover (3), a revolution input shaft (5) and a rotation input shaft (6) are arranged on the rack (1), the revolution input shaft (5) drives the box cover (3) to rotate, and the rotation input shaft (6) drives the output shaft (4) to rotate. Compared with the prior art, the utility model realizes the coupling of the revolution speed and the rotation speed at the output shaft end, and the difference (slip) between the revolution speed and the rotation speed at the output shaft end can be continuously adjusted.

Description

Slip double-speed reducer

Technical Field

The utility model relates to the technical field of mechanical speed reducers, in particular to a double-input double-output speed reducer with a slip difference and a double speed coupled with speed.

Background

The speed reducer is applied to various occasions needing speed regulation, in particular to a gear speed reducer realizing transmission through gears, and is widely applied due to high transmission precision and reliable operation. Because the reduction ratio of the gear is fixed, generally, one input shaft corresponds to one output shaft, and the speed coupling between multiple inputs and multiple outputs is not easy to realize. For a double-input speed reducer which needs to realize a speed coupling function, such as a planet wheel speed reducer, only one output shaft is provided, and all use requirements cannot be met. For an application scene that two speeds are required to be generated simultaneously and the difference between the two speeds can be continuously adjusted, the existing various mechanical reducers cannot effectively meet the use requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a slip double-speed reducer, which realizes the slip double-speed regulation function of double input, double output and speed coupling.

The purpose of the utility model can be realized by the following technical scheme: a slip double-speed reducer comprises a rack and an inner cover fixed on the rack, wherein a box cover is rotatably arranged on the inner cover, an output shaft is arranged on the box cover, a revolution input shaft and a rotation input shaft are arranged on the rack, the revolution input shaft drives the box cover to rotate, and the rotation input shaft drives the output shaft to rotate.

Preferably, the revolution input shaft is connected with the revolution input pinion gear through a flat key in the frame, the rotation input shaft is connected with the rotation input pinion gear through a flat key in the frame, and one end of the output shaft in the box cover is an output pinion gear. The revolution input pinion, the rotation input pinion and the output pinion are bevel gears.

Further preferably, the revolution input pinion is in meshing transmission with the revolution input gearwheel, the rotation input pinion is in meshing transmission with the rotation input gearwheel, and the output pinion is in meshing transmission with the output gearwheel. The revolution input gearwheel is in meshing transmission, and the rotation input gearwheel and the output gearwheel are bevel gears. The utility model respectively controls the rotating speeds of the revolution input shaft and the rotation input shaft, realizes that the revolution input shaft drives the box cover to rotate through the transmission of three pairs of bevel gears, and the rotation input shaft drives the output shaft to rotate, thus realizing the continuous adjustment of the revolution speed, the rotation speed and the slip at the output shaft end.

Still further preferably, a main shaft is vertically arranged on the central axis of the frame, the main shaft is connected with the frame through a bearing, connected with the case cover through an expansion sleeve, and connected with the revolution input gearwheel through a flat key.

Furthermore, the output big gear is sleeved on the main shaft, connected with the main shaft, the box cover and the inner cover through bearings, and connected with the rotation input big gear through bolts.

Preferably, the revolution input shaft is horizontally arranged on the frame through a bearing, a gland and a screw.

Preferably, the rotation input shaft is horizontally arranged on the frame through a bearing, a gland and a screw.

Preferably, the output shaft is horizontally arranged on the box cover through a bearing, a pressing cover and a screw and rotates together with the box cover.

Preferably, the output shafts are two and are symmetrically arranged about the central axis of the box cover.

Preferably, the frame is fixed, the inner cover is mounted on the frame through screws, and the box cover rotates on the inner cover through a turntable bearing.

The revolution input shaft drives the box cover to rotate, the rotation input shaft drives the output shaft to rotate, and the rotation input shaft is internally driven by the bevel gear to realize the coupling of the revolution speed and the rotation speed at the end of the output shaft. The revolution speed and the rotation speed of the revolution input shaft and the rotation input shaft are respectively controlled, and the difference (slip) between the revolution speed and the rotation speed of the output shaft end can be continuously adjusted, so that the slip double-speed regulation function of double input, double output and speed coupling is realized.

Compared with the prior art, the utility model has the following advantages:

1. the coupling of the revolution speed and the rotation speed at the output shaft end is realized by controlling the revolution speeds of the two input shafts and transmitting through the bevel gear in the reducer, and the difference (slip) between the revolution speed and the rotation speed at the output shaft end can be continuously adjusted;

2. the slip double-speed reducer can realize the slip double-speed regulation function of double input, double output and speed coupling, has compact structure, small volume, accurate generated slip and large speed regulation range, and can meet the use requirement of special application scenes;

3. the utility model integrates the box cover, the revolution input gearwheel and the output gearwheel through the arrangement of the main shaft.

Drawings

FIG. 1 is a cross-sectional view of a slip two-speed reducer of the present invention;

in the figure: 1-frame, 2-inner cover, 3-box cover, 4-output shaft, 5-revolution input shaft, 6-rotation input shaft, 7-revolution input pinion, 8-rotation input pinion, 9-revolution input gearwheel, 10-rotation input gearwheel, 11-output gearwheel, 12-main shaft, 13-expansion sleeve, 14-turntable bearing, a 1-first bearing, a 2-second bearing, a 3-third bearing, a 4-fourth bearing, a 5-fifth bearing, a 6-sixth bearing, a 7-seventh bearing, b 1-first gland, b 2-second gland, b 3-third gland.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments. The following examples are carried out on the premise of the technical scheme of the utility model, and detailed embodiments and specific operation processes are given, but the scope of the utility model is not limited to the following examples.

Example 1

A slip double-speed reducer is shown in figure 1 and comprises a revolution input shaft 5, a rotation input shaft 6, an output shaft 4, a main shaft 12, a frame 1, an inner cover 2, a box cover 3, a bevel gear, a bearing, a gland, an expansion sleeve 13, a flat key and a screw. The machine frame 1 and the inner cover 2 are fixed, the box cover 3 rotates on the inner cover 2, the revolution input shaft 5 and the rotation input shaft 6 are connected into the machine frame 1 through a bearing and a gland, the output shaft 4 is connected into the box cover 3 through the bearing and the gland and rotates together with the box cover 3, and the interior of the speed reducer is driven through three pairs of bevel gears. The revolution speed, the rotation speed and the slip of the output shaft 4 end are continuously adjusted by respectively controlling the rotation speed of the revolution input shaft 5 and the rotation input shaft 6.

Specifically, the housing 1 is fixed to the ground, the inner lid 2 is mounted on the housing 1 by screws, and the cover 3 is rotated on the inner lid 2 by a turntable bearing 14.

The revolution input shaft 5 is horizontally mounted on the frame 1 through a first bearing a1, a first gland b1 and screws, and the revolution input shaft 5 and the revolution input pinion 7 are connected by a flat key inside the frame 1.

The rotation input shaft 6 is horizontally mounted on the housing 1 via a second bearing a2, a second gland b2, and a screw, and the rotation input shaft 6 and the rotation input pinion 8 are connected by a flat key inside the housing 1.

The output shaft 4 is horizontally mounted on the cover 3 through a third bearing a3, a third cover b3 and screws and rotates together with the cover 3, the output shaft 4 is in the form of a gear shaft, one end in the cover 3 is an output pinion, and the number of the output shafts 4 is two and is arranged symmetrically with respect to the central axis of the cover 3.

A main shaft 12 is vertically arranged at the central axis of the frame 1, the main shaft 12 is connected with the frame 1 through a fourth bearing a4, is connected with the box cover 3 through an expansion sleeve 13, and is connected with the revolution input gearwheel 9 through a flat key.

The output large gear 11 is coaxially sleeved on the main shaft 12, connected with the main shaft 12 through a fifth bearing a5, connected with the box cover 3 through a sixth bearing a6, connected with the inner cover 2 through a seventh bearing a7, and connected with the rotation input large gear 10 through a bolt.

The revolution input pinion 7 is in mesh transmission with the revolution input gearwheel 9, the rotation input pinion 8 is in mesh transmission with the rotation input gearwheel 10, and the output pinion on the output shaft 4 is in mesh transmission with the output gearwheel 11.

The slip double-speed reducer controls the rotating speeds of the revolution input shaft 5 and the rotation input shaft 6 respectively, realizes that the revolution input shaft 5 drives the box cover 3 to rotate and the rotation input shaft 6 drives the output shaft 4 to rotate through the transmission of three pairs of bevel gears, and thus realizes the continuous adjustment of the revolution speed, the rotation speed and the slip at the shaft end of the output shaft 4.

In the present invention, it should be noted that the terms "first", "second", "third", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. A slip double-speed reducer is characterized by comprising a rack (1) and an inner cover (2) fixed on the rack (1), wherein a box cover (3) is rotatably arranged on the inner cover (2), an output shaft (4) is arranged on the box cover (3), a revolution input shaft (5) and a rotation input shaft (6) are arranged on the rack (1), the revolution input shaft (5) drives the box cover (3) to rotate, and the rotation input shaft (6) drives the output shaft (4) to rotate.

2. The slip two-speed reducer according to claim 1, wherein the revolution input shaft (5) is connected with a revolution input pinion (7) inside the frame (1), the rotation input shaft (6) is connected with a rotation input pinion (8) inside the frame (1), and one end of the output shaft (4) inside the box cover (3) is an output pinion.

3. The slip double-speed reducer according to claim 2, wherein the revolution input pinion (7) is in meshing transmission with the revolution input gearwheel (9), the rotation input pinion (8) is in meshing transmission with the rotation input gearwheel (10), and the output pinion is in meshing transmission with the output gearwheel (11).

4. The slip double-speed reducer according to claim 3, wherein a main shaft (12) is vertically arranged on the central axis of the frame (1), the main shaft (12) is connected with the frame (1) through a bearing, connected with the box cover (3) through an expansion sleeve (13), and connected with the revolution input gearwheel (9) through a flat key.

5. The slip double-speed reducer according to claim 4, wherein the output gearwheel (11) is sleeved on the main shaft (12), the output gearwheel (11) is connected with the main shaft (12), the box cover (3) and the inner cover (2) through bearings, and is connected with the rotation input gearwheel (10) through bolts.

6. The slip double-speed reducer according to claim 1, wherein the revolution input shaft (5) is horizontally mounted on the frame (1) through a bearing, a gland and a screw.

7. The slip two-speed reducer according to claim 1, wherein the rotation input shaft (6) is horizontally mounted on the frame (1) through a bearing, a gland and a screw.

8. The slip two speed reducer according to claim 1 wherein said output shaft (4) is horizontally mounted to the cover (3) by means of bearings, glands and screws and rotates with the cover (3).

9. The slip two speed reducer according to claim 1 wherein there are two of said output shafts (4) symmetrically disposed about the central axis of the cover (3).

10. The slip double-speed reducer according to any one of claims 1-9, wherein the frame (1) is fixed, the inner cover (2) is mounted on the frame (1) through screws, and the box cover (3) rotates on the inner cover (2) through the turntable bearing (14).