CN215805830U

CN215805830U - Coupling device

Info

Publication number: CN215805830U
Application number: CN202120113299.7U
Authority: CN
Inventors: 杨秀平; 赵蓟瑜
Original assignee: Sichuan Suitong Technology Co ltd
Current assignee: Sichuan Suitong Technology Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2022-02-11
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a coupling device, which comprises an engine output shaft and a gearbox input shaft which are arranged on the same central axis, wherein the engine output shaft is arranged on the left side of the gearbox input shaft; the coupling comprises a gear shaft, a left coupling and a right coupling are sleeved on the outer side of the gear shaft, the left coupling is arranged on the left side of the right coupling, tooth grooves are formed in the opposite sides of the left coupling and the right coupling, and the left coupling and the right coupling are in meshing transmission connection through the tooth grooves.

Description

Coupling device

Technical Field

The utility model belongs to the technical field of machinery, and particularly relates to a coupling device.

Background

The coupler is a common part in mechanical products, is used for connecting two shafts or a shaft and a rotating part, and rotates together without being disengaged and changing the rotating direction and the torque magnitude in the process of transmitting motion and power, some couplers have the functions of compensating relative displacement of the two shafts, buffering and damping and the like, in addition, some couplers can also be used as a safety device for preventing the overload of a transmission shaft system, along with the development of industrial and scientific technology, the application of machinery in the modern industry is continuously expanded, the variety of the couplers is continuously increased, the performance requirement is higher and higher, in order to improve the efficiency and the reliability of the mechanical device, the high quality of mechanical parts, particularly the couplers is very important, therefore, although the couplers have serialized and standardized products, because the mechanical types are various and the load, the rotating speed and the working environment are different, therefore, various couplings with different performances are needed to adapt to different working conditions and use requirements, so that new couplings are continuously developed and the improvement of the original couplings is necessary;

and there are many shortcomings in current shaft coupling device, firstly current shaft coupling mostly passes through gear drive and connects, only relies on to transmit between the gear, and tooth's socket wearing and tearing speed is fast, influences life, secondly easy dislocation leads to mechanical failure between the current tooth's socket, and factor of safety is low.

SUMMERY OF THE UTILITY MODEL

The present invention aims to overcome the disadvantages of the prior art and to provide a coupling device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a coupling device comprises an engine output shaft and a gearbox input shaft which are arranged on the same central axis, wherein the engine output shaft is arranged on the left side of the gearbox input shaft, and a coupling is arranged between the engine output shaft and the gearbox input shaft;

the coupling includes the tooth axle, tooth axle outside cover is equipped with left coupling and right coupling, left side coupling set up in right side coupling left side, left side coupling with the tooth's socket has all been seted up to the right side one side that the coupling is relative, left side coupling with connect through tooth's socket meshing transmission between the coupling of the right side.

Preferably, the gear shaft is in meshed transmission connection with the left coupling and the right coupling through gears.

Preferably, the left side of the left coupling and the right side of the right coupling are both provided with external splines, and the right side of the engine output shaft and the left side of the gearbox input shaft are both provided with internal splines.

Preferably, the external splines and the internal splines are mutually meshed.

Preferably, the left shell is sleeved on the outer side of the left coupling, and the right shell is sleeved on the outer side of the right coupling.

Preferably, the left shell and the right shell are screwed by screw threads.

According to the coupling device, the left coupling and the right coupling are sleeved on the outer side of the gear shaft, the gear shaft is in meshing transmission connection with the left coupling and the right coupling through the gears, and the left coupling and the right coupling are in meshing transmission connection through the tooth grooves;

according to the coupling device, the left shell is sleeved on the outer side of the left coupling, the right shell is sleeved on the outer side of the right coupling, meanwhile, the left shell and the right shell are screwed through threads, and the tooth sockets are connected in a tenon-and-mortise clamping mode.

Drawings

FIG. 1 is a schematic view of the overall construction of a coupling device of the present invention;

FIG. 2 is a cross-sectional view of an adapter apparatus of the present invention;

FIG. 3 is a first cross-sectional view of the left adapter of an adapter apparatus of the present invention;

FIG. 4 is a second cross-sectional view of the left adapter of an adapter apparatus of the present invention;

FIG. 5 is a first cross-sectional view of the right adapter of an adapter apparatus of the present invention;

FIG. 6 is a second cross-sectional view of the right adapter of an adapter apparatus of the present invention;

FIG. 7 is a schematic view of the overall construction of the transmission input shaft of the coupling device of the present invention;

fig. 8 is a cross-sectional view of the transmission input shaft of an adapter device of the present invention.

Reference numerals: 1. a coupling; 2. an engine output shaft; 3. a transmission input shaft; 4. a left coupling; 5. a right coupling; 6. a left housing; 7. a right housing; 8. a gear shaft; 9. an external spline; 10. an internal spline.

Detailed Description

An embodiment of a coupling device according to the present invention will be further described with reference to fig. 1 to 8. The coupling device of the present invention is not limited to the description of the following embodiments.

Example 1:

the embodiment provides a specific structure of a coupling device, as shown in fig. 1-8, which includes an engine output shaft 2 and a transmission input shaft 3 that are arranged on the same central axis, the engine output shaft 2 is arranged on the left side of the transmission input shaft 3, and a coupling 1 is arranged between the engine output shaft 2 and the transmission input shaft 3; coupling 1 includes

gear shaft

8, and 8 outside covers of gear shaft are equipped with left coupling 4 and right coupling 5, and left coupling 4 sets up in 5 left sides of right coupling, and the tooth's socket has all been seted up to left coupling 4 and the relative one side of right coupling 5, connects through tooth's socket meshing transmission between left coupling 4 and the right coupling 5.

The gear shaft 8 is in meshed transmission connection with the left coupling 4 and the right coupling 5 through gears.

The left side of the left coupling 4 and the right side of the right coupling 5 are both provided with external splines 9, and the right side of the engine output shaft 2 and the left side of the gearbox input shaft 3 are both provided with internal splines 10.

The external splines 9 and the internal splines 10 are mutually engaged.

The outer side of the left coupling 4 is sleeved with a left shell 6, and the outer side of the right coupling 5 is sleeved with a right shell 7.

The left shell 6 and the right shell 7 are screwed by screw threads.

By adopting the technical scheme:

the engine output shaft 2 and the left coupling 4 are connected and fixed through the meshing transmission of the external spline 9 and the internal spline 10, the gearbox input shaft 3 and the right coupling 5 are connected and fixed through the meshing transmission of the external spline 9 and the internal spline 10, the gear shaft 8 is inserted into a clamping groove at the center of the left coupling 4, a clamping groove at the left side of the right coupling 5 is connected with the right end of the gear shaft 8 in an inserting mode, the left coupling 4 and the right coupling 5 are connected through the meshing transmission of a gear groove, the left coupling 4 and the right coupling 5 transmit the power output by the engine to the gearbox through the matching of the gear groove, a certain gap is formed between the gear and the groove, the problem of different centers between the engine output shaft 2 and the gearbox input shaft 3 is solved, and the interference caused by different shafts of the engine output shaft 2 and the gearbox input shaft 3 is prevented, The left coupling 4 and the right coupling 5 are made of high-carbon steel materials, the rigid connection is adopted to reduce energy loss caused by plastic deformation of the materials, so that the energy effective utilization rate is improved, the economical efficiency is improved, and the energy loss is reduced.

The working principle is as follows: as shown in fig. 1-8, the engine output shaft 2 and the transmission input shaft 3 are adjusted to be on the same central axis, the engine output shaft 2 and the left coupling 4 are fixed by the engagement transmission of the external spline 9 and the internal spline 10, the transmission input shaft 3 and the right coupling 5 are fixed by the engagement transmission of the external spline 9 and the internal spline 10, the gear shaft 8 is inserted into the slot at the center of the left coupling 4, the left slot of the right coupling 5 is connected with the right end of the gear shaft 8 in a plugging manner, the left coupling 4 is connected with the right coupling 5 by the tooth space engagement transmission, the left shell 6 is screwed with the right shell 7 by the screw thread, and the installation process of the coupling 1 is completed; the gear shifting power transmission mode comprises the following steps: the engine output shaft 2 transmits power to the left coupling 4 through the matching between the external splines 9 and the internal splines 10, the left coupling 4 transmits power to the right coupling 5 through the tooth groove meshing transmission matching and the gear meshing transmission mode between the tooth shaft 8 and the left coupling 4 and the right coupling 5, at the moment, the left shell 6 and the right shell 7 hoop the positions of the left coupling 4 and the right coupling 5, and meanwhile, a mortise and tenon joint structure is adopted between the tooth grooves, so that the left coupling 4 and the right coupling 5 are stable in connection structure, the right coupling 5 transmits power to the transmission input shaft 3 through the matching connection between the external splines 9 and the internal splines 10, the transmission input shaft 3 transmits power to the gear shifting dual gear through the matching between the external splines 9 and the internal splines 10, and the gear shifting process is completed.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. The utility model provides a shaft coupling device, is including setting up engine output shaft (2) and gearbox input shaft (3) on same axis, its characterized in that: the engine output shaft (2) is arranged on the left side of the gearbox input shaft (3), and a coupling (1) is arranged between the engine output shaft (2) and the gearbox input shaft (3);

coupling (1) is including tooth axle (8), tooth axle (8) outside cover is equipped with left coupling (4) and right coupling (5), left side coupling (4) set up in right side coupling (5) left side, left side coupling (4) with the tooth's socket has all been seted up to right side coupling (5) relative one side, left side coupling (4) with connect through tooth's socket meshing transmission between right side coupling (5).

2. A coupling device as claimed in claim 1, wherein: the gear shaft (8) is in meshed transmission connection with the left coupling (4) and the right coupling (5) through gears.

3. A coupling device as claimed in claim 1, wherein: the left side of the left coupling (4) and the right side of the right coupling (5) are both provided with external splines (9), and the right side of the engine output shaft (2) and the left side of the gearbox input shaft (3) are both provided with internal splines (10).

4. A coupling device as claimed in claim 3, wherein: the external spline (9) and the internal spline (10) are mutually meshed.

5. A coupling device as claimed in claim 1, wherein: the outer side of the left coupling (4) is sleeved with a left shell (6), and the outer side of the right coupling (5) is sleeved with a right shell (7).

6. An adapter device according to claim 5, wherein: the left shell (6) and the right shell (7) are screwed by threads.