CN210290527U

CN210290527U - Coupling with long service life

Info

Publication number: CN210290527U
Application number: CN201921239031.7U
Authority: CN
Inventors: 李春林
Original assignee: Taicang Wopute Machinery Technology Co ltd
Current assignee: Taicang Wopute Machinery Technology Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-10
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a long service life's shaft coupling relates to durable type shaft coupling device technical field, for solving because adopt the rubber belt as transmission torque, the huge moment of torsion that the main equipment produced can cause the rubber belt to take place deformation, influences the shaft coupling normal use, has reduced life's problem. The axle bed is provided with two, two be provided with the coupling piece between the axle bed, the inside of coupling piece is provided with the fluted disc, and the both ends of fluted disc all extend to the outside of coupling piece, the inside of fluted disc is provided with the ball, one side of fluted disc is provided with the driving disc, one side of driving disc is provided with the main shaft cover, the opposite side of fluted disc is provided with the driven plate, be provided with the connection pad between driven plate and the fluted disc, one side of driven plate is provided with from the axle sleeve, the main shaft cover all is provided with the silica gel pad with the inside from the axle sleeve, two one side of silica gel pad is provided with driving shaft and driven shaft respectively.

Description

Coupling with long service life

Technical Field

The utility model relates to a durable type shaft coupling device technical field specifically is a long service life's shaft coupling.

Background

With the wider application range of the coupling, the use requirement of the coupling is higher and higher. The coupling is a mechanical part used for connecting two shafts (a driving shaft and a driven shaft) in different mechanisms to enable the two shafts to rotate together so as to transmit torque, and the driving joint and the driven joint are respectively connected with the driving shaft and the driven shaft so as to achieve the purpose of coupling and enable the two shafts to rotate together so as to transmit torque. In the high-speed heavy-load power transmission, some couplings also have the functions of buffering, vibration reduction and improving the dynamic performance of a shaft system, the two shafts cannot be separated when the machine runs, and the two shafts can be separated only after the machine is parked and the connection is disassembled. This requires a long life coupling in order to meet the torque requirements and durability of the equipment.

At present, most of used couplers use rubber belts as transmission torque, and when large equipment is coupled, the equipment can generate great impact force when transmitting the torque, fatigue damage and deformation of different degrees are easily generated on the rubber belts, normal use of the couplers is influenced, and the service life of the couplers is shortened. Therefore, a long-life coupling is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's shaft coupling to propose in solving above-mentioned background art because adopt the rubber belt as transmission torque, the huge moment of torsion that the main equipment produced can cause the rubber belt to take place deformation, influences the shaft coupling normal use, has reduced life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a coupler with long service life comprises shaft seats, wherein the shaft seats are two and are connected through bolts, a coupling part is arranged between the two shaft seats, two ends of the coupling part extend into the shaft seats, a fluted disc is arranged inside the coupling part, two ends of the fluted disc extend out of the coupling part, balls are arranged inside the fluted disc and are in rolling connection with the fluted disc, a driving disc is arranged on one side of the fluted disc, a main shaft sleeve is arranged on one side of the driving disc and is in gas welding connection with the driving disc, a driven disc is arranged on the other side of the fluted disc, a connecting disc is arranged between the driven disc and the fluted disc and is in screw connection with the driven disc, a driven shaft sleeve is arranged on one side of the driven disc and is in gas welding connection with the driven disc, and silica gel pads are arranged inside the driven shaft sleeve and the driven shaft sleeve, and one ends of the two silica gel pads are respectively attached to the inner walls of the main shaft sleeve and the driven shaft sleeve, a driving shaft and a driven shaft are respectively arranged on one side of each silica gel pad, and one ends of the driving shaft and the driven shaft respectively extend to the main shaft sleeve and the outer portion of the driven shaft sleeve.

Preferably, the outside of fluted disc is provided with the external splines, the inner wall of fluted disc is provided with the internal spline, and internal spline and external splines all are connected with fluted disc gas welding.

Preferably, the driving disc is provided with a groove inside, and the groove and the external spline are correspondingly arranged.

Preferably, the outside of the connecting disc is provided with a lug, and the lug and the internal spline are correspondingly arranged.

Preferably, the driving disc and the driven disc are meshed with the shaft seat through the gear row.

Preferably, rubber pads are arranged between the main shaft sleeve and the shaft seat as well as between the auxiliary shaft sleeve and the shaft seat, and the rubber pads are attached and connected with the shaft seat.

Preferably, the main shaft sleeve and the driven shaft sleeve are respectively provided with three fixing holes, and the three fixing holes are sequentially formed in the main shaft sleeve and the driven shaft sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a device is through the fluted disc at the inside fluted disc that sets up of shaft coupling spare, through the spline that sets up inside and outside the fluted disc, can carry out the moment of torsion transmission through the inside ball that sets up of fluted disc, improves the dynamic behavior of moment of torsion transmission, and the impact force homodisperse that can produce when will transmitting the torque avoids causing the fluted disc to take place deformation, influences the moment of torsion transmission of shaft coupling. The problem of use rubber belt as transmission torque, huge impact force can make it take place the deformation, influences the normal use of shaft coupling, reduces life is solved.

2. The utility model discloses a device is through the setting of main shaft cover and from the axle sleeve, and at the fixed orifices that improves main shaft cover and set up on the axle sleeve, improve the fixed orifices and can fix the moving axis that inserts inside on main shaft cover and from the axle sleeve, need not change and carry out the moment of torsion transmission with the corresponding axle sleeve of moving axis. The problem of because the size of moving axis is different, need to change corresponding axle sleeve and carry out the moment of torsion transmission, the time cost increases and the cost increases is solved.

3. The utility model discloses a device is through the rubber pad that sets up in the inside of axle bed, when carrying out the moment of torsion transmission, and during the high-speed power transmission of moving axis, can produce a large amount of heats, the setting of rubber pad can effectually insulate against heat, prevents effectively that iron material from producing deformation under high-speed motion state. The problem of the moving axis at high-speed power transmission in-process, the heat that produces can make the moving axis take place deformation is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view of the coupling of the present invention;

FIG. 4 is a connection diagram of the driving disk and the shaft seat of the present invention;

fig. 5 is a connection relationship diagram of the driven plate and the shaft seat of the present invention.

In the figure: 1. a shaft seat; 2. a rubber pad; 3. a bolt; 4. a coupling member; 5. a driving disk; 6. a driven plate; 7. a connecting disc; 8. a tooth row; 9. a main shaft sleeve; 10. a silica gel pad; 11. a drive shaft; 12. a fixing hole; 13. a secondary shaft sleeve; 14. a driven shaft; 15. a fluted disc; 16. an external spline; 17. an internal spline; 18. a ball bearing; 19. a groove; 20. and (4) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a long service life's shaft coupling, includes axle bed 1, and axle bed 1 is provided with two, and connects through bolt 3 between two axle beds 1, can dismantle axle bed 1 through bolt 3, is convenient for to the change of the inside device of shaft coupling. A coupling member 4 is arranged between the two shaft seats 1, two ends of the coupling member 4 extend into the shaft seats 1, a fluted disc 15 is arranged in the coupling member 4, two ends of the fluted disc 15 extend out of the coupling member 4, balls 18 are arranged in the fluted disc 15, the balls 18 are in rolling connection with the fluted disc 15, impact force generated by torque transmission can be dispersed through the balls 18, a driving disc 5 is arranged on one side of the fluted disc 15, a main shaft sleeve 9 is arranged on one side of the driving disc 5, the main shaft sleeve 9 is in gas welding connection with the driving disc 5, a driven disc 6 is arranged on the other side of the fluted disc 15, a connecting disc 7 is arranged between the driven disc 6 and the fluted disc 15, the connecting disc 7 is connected with the driven disc 6 through screws, a driven shaft sleeve 13 is arranged on one side of the driven disc 6, the driven shaft sleeve 13 is in gas welding connection with the driven disc 6, and silica gel pads 10 are arranged in the main shaft sleeve 9, and the one end of two silica gel pads 10 is connected with the inner wall laminating of main shaft cover 9 and from axle sleeve 13 respectively, and the setting of silica gel pad 10 can avoid moving axis and axle sleeve direct contact, and one side of two silica gel pads 10 is provided with driving shaft 11 and driven shaft 14 respectively, and the one end of driving shaft 11 and driven shaft 14 extends to the outside of main shaft cover 9 and from axle sleeve 13 respectively.

Further, the outside of fluted disc 15 is provided with external splines 16, and the inner wall of fluted disc 15 is provided with internal splines 17, and internal splines 17 and external splines 16 all are connected with fluted disc 15 gas welding. The two shafts can be torque-transferred by means of the internal splines 17 and the external splines 16.

Further, a groove 19 is provided inside the driving disk 5, and the groove 19 is provided corresponding to the external spline 16. The driving shaft 11 and the fluted disc 15 can be in key joint through the grooves 19 and the external splines 16, and the connection firmness is ensured.

Further, a bump 20 is provided on the outside of the connection plate 7, and the bump 20 is provided corresponding to the internal spline 17. The driven shaft 14 and the fluted disc 15 can be in key joint through the lug 20 and the internal spline 17, and the connection firmness is ensured.

Furthermore, the driving disk 5 and the driven disk 6 are meshed with the shaft seat 1 through the gear row 8. The meshing connection of the tooth rows 8 can effectively reduce radial force when the driving shaft 11 and the driven shaft 14 rotate at high speed.

Further, rubber pads 2 are arranged between the main shaft sleeve 9 and the driven shaft sleeve 13 and the shaft seat 1, and the rubber pads 2 are attached to and connected with the shaft seat 1. The rubber pad 2 can effectively prevent the moving shaft from deforming due to high temperature when the moving shaft rotates at high speed and contacts with the shaft seat 1 to influence the normal use of the coupler.

Further, the spindle sleeve 9 and the driven sleeve 13 are provided with three fixing holes 12, and the three fixing holes 12 are sequentially formed in the spindle sleeve 9 and the driven sleeve 13. The movable shafts inserted into the shaft sleeves in different sizes can be fixed through the fixing holes 12, and the shaft sleeves matched with the movable shafts do not need to be replaced.

The working principle is as follows: when in use, the driving disc 5 is in key joint with the fluted disc 15, and the external splines 16 arranged outside the fluted disc 15 extend into the grooves 19 arranged inside the driving disc 5; when the driven disk 6 is connected with the fluted disc 15 by key joint, the connecting disc 7 on one side of the driven disk 6 extends to the inner part of the fluted disc 15, and the lug 20 arranged on the outer part of the connecting disc 7 is connected with the inner spline 17 arranged on the inner wall of the fluted disc 15 by key joint. In the adjustment axle bed 1 for axle bed 1 meshes with driving disk 5 and driven disk 6 respectively and is connected, and the meshing is connected can effectually prevent that the object motion trail of high-speed motion from changing, and the track change can produce huge radial force in the twinkling of an eye, influences moment of torsion transmission efficiency. The two shaft seats 1 are connected in a folding mode through the bolts 3, the driving shaft 11 and the driven shaft 14 are respectively inserted into the main shaft sleeve 9 and the driven shaft sleeve 13, and the driving shaft 11 and the driven shaft 14 are fixed through the fixing holes 12, so that the driving shafts with different sizes can be inserted into the main shaft sleeve 9 and the driven shaft sleeve 13. When carrying out high-speed motion, if with the contact of axle bed 1, will produce huge heat because of frictional force, can make axle bed and moving axis take place deformation easily along with the rising of temperature, be unfavorable for the moment of torsion transmission, influence the life of shaft coupling, and the setting of rubber pad 2 can effectually avoid direct contact and keep apart the heat.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a long service life's shaft coupling, includes axle bed (1), its characterized in that: the two shaft seats (1) are connected through bolts (3), a coupling member (4) is arranged between the two shaft seats (1), two ends of the coupling member (4) extend into the shaft seats (1), a fluted disc (15) is arranged in the coupling member (4), two ends of the fluted disc (15) extend out of the coupling member (4), balls (18) are arranged in the fluted disc (15), the balls (18) are in rolling connection with the fluted disc (15), a driving disc (5) is arranged on one side of the fluted disc (15), a main shaft sleeve (9) is arranged on one side of the driving disc (5), the main shaft sleeve (9) is in gas welding connection with the driving disc (5), a driven disc (6) is arranged on the other side of the fluted disc (15), and a connecting disc (7) is arranged between the driven disc (6) and the fluted disc (15), and connection pad (7) pass through the screw connection with driven plate (6), one side of driven plate (6) is provided with from axle sleeve (13), and is connected from axle sleeve (13) and driven plate (6) gas-welding, the inside of main shaft cover (9) and from axle sleeve (13) all is provided with silica gel pad (10), and the one end of two silica gel pads (10) respectively with main shaft cover (9) and from the inner wall laminating of axle sleeve (13) be connected, two one side of silica gel pad (10) is provided with driving shaft (11) and driven shaft (14) respectively, and the one end of driving shaft (11) and driven shaft (14) extends to the outside of main shaft cover (9) and from axle sleeve (13) respectively.

2. A long life coupling according to claim 1, wherein: the outside of fluted disc (15) is provided with external splines (16), the inner wall of fluted disc (15) is provided with internal splines (17), and internal splines (17) and external splines (16) all are connected with fluted disc (15) gas welding.

3. A long life coupling according to claim 1, wherein: the driving disc (5) is internally provided with a groove (19), and the groove (19) is arranged corresponding to the external spline (16).

4. A long life coupling according to claim 1, wherein: the outer portion of the connecting disc (7) is provided with a convex block (20), and the convex block (20) is arranged corresponding to the inner spline (17).

5. A long life coupling according to claim 1, wherein: the driving disc (5) and the driven disc (6) are meshed with the shaft seat (1) through the gear row (8).

6. A long life coupling according to claim 1, wherein: rubber pads (2) are arranged between the main shaft sleeve (9) and the shaft seat (1) and between the driven shaft sleeve (13), and the rubber pads (2) are attached to the shaft seat (1).

7. A long life coupling according to claim 1, wherein: the fixing holes (12) are formed in the main shaft sleeve (9) and the auxiliary shaft sleeve (13), the number of the fixing holes (12) is three, and the three fixing holes (12) are sequentially formed in the main shaft sleeve (9) and the auxiliary shaft sleeve (13).