CN210715633U

CN210715633U - Membrane disc coupler with overload protection function

Info

Publication number: CN210715633U
Application number: CN201920592878.7U
Authority: CN
Inventors: 万中跃
Original assignee: Besso Industrial Machinery Coastal Co Ltd
Current assignee: Besso Industrial Machinery Coastal Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-06-09
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a membrane disc coupling with overload protection, which comprises a coupling main body, wherein the coupling main body mainly comprises a membrane disc a, a membrane disc b and a middle shaft, the middle shaft is of a hollow structure, the outer surfaces of the two ends of the middle shaft are respectively and fixedly provided with a fixing sleeve, the two fixing sleeves are respectively and fixedly connected to one side surface of the membrane disc a opposite to the membrane disc b through a mounting plate, and a fixing frame is fixedly arranged on one side surface of the membrane disc a opposite to the side surface of the membrane disc b; through setting up input shaft and output shaft, set up the jackshaft into hollow structure, utilize outer tooth cover on the input shaft and the interior tooth cover intermeshing on the output shaft, utilize the interlock effort between outer tooth cover and the interior tooth cover, bear too much load at membrane dish a or membrane dish b and can not the during operation, the moment of torsion can be transmitted for the output shaft under the effect of outer tooth cover and interior tooth cover through the input shaft, and then guarantees the normal transmission of moment of torsion, guarantees that equipment can the normal operation.

Description

Membrane disc coupler with overload protection function

Technical Field

The utility model belongs to the technical field of the membrane disc shaft coupling, concretely relates to membrane disc shaft coupling that possesses overload protection.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not falling apart under normal conditions, the coupling can be divided into a rigid coupling and a flexible coupling, the membrane disc coupling provides a high-performance connection mode for rotating machinery, and the membrane disc coupling is widely applied to various pumps, fans and compressor units driven by gas turbines, steam turbines and motors and is particularly suitable for high-speed and high-power turbine compressor units sensitive to the weight of the coupling and suspension bending moment.

The original membrane disc coupler is lack of an overload protection structure, when the membrane disc bears excessive load and fails to work normally, the whole membrane disc coupler can lose the effect of bearing torque, normal operation of equipment is further influenced, and inconvenience is brought to use of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane disc coupling that possesses overload protection to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a membrane disc shaft coupling that possesses overload protection, includes the shaft coupling main part, the shaft coupling main part mainly comprises membrane disc an, membrane disc b and jackshaft, the jackshaft is hollow structure, the surface at jackshaft both ends fixed mounting respectively has fixed cover, and two fixed covers respectively through mounting panel fixed connection in the relative side of membrane disc an and membrane disc b, the equal fixed mounting in a side that membrane disc an and membrane disc b carried on the back mutually has the mount, seted up the through-hole on the mount, and the inside of two through-holes is provided with input shaft and output shaft respectively, the right-hand member fixed mounting of input shaft has outer tooth cover, the left end fixed mounting of output shaft has interior tooth cover, the meshing is connected between outer tooth cover and the interior tooth cover, the surface of input shaft and output shaft all is provided with the change ring.

Preferably, both ends of the intermediate shaft are fixedly connected with the two fixed sleeves through a plurality of fixing bolts a respectively.

Preferably, the number of the mounting plates is two, and the two mounting plates are fixedly connected with the membrane disc a and the membrane disc b through a plurality of fixing bolts b respectively.

Preferably, the outer surfaces of the input shaft and the output shaft are fixedly connected with rotating rings, the outer surfaces of the rotating rings are provided with four balls in an annular array, the balls are connected to the inner side wall of the annular groove in a rolling manner, and the annular groove is formed in the inner side wall of the fixing frame.

Preferably, the swivel has an outer diameter larger than the diameter of the through hole.

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

(1) by arranging the input shaft and the output shaft, the intermediate shaft is arranged to be of a hollow structure, the outer gear sleeve on the input shaft is meshed with the inner gear sleeve on the output shaft, and the meshing acting force between the outer gear sleeve and the inner gear sleeve is utilized, so that when the membrane disc a or the membrane disc b bears excessive load and cannot work, the torque can be transmitted to the output shaft through the input shaft under the action of the outer gear sleeve and the inner gear sleeve, the normal transmission of the torque is further ensured, and the normal operation of equipment is ensured;

(2) through set up the change on input shaft and output shaft, utilize the change to pass through the ball at the annular groove internal motion, and then support input shaft and output shaft for more stable and difficult the rocking when input shaft rotates with the output shaft.

Drawings

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

FIG. 2 is a schematic structural view of the swivel of the present invention viewed from the left;

fig. 3 is an enlarged schematic structural view at a position a of the present invention;

in the figure: 1. a coupling body; 2. a membrane disc a; 3. a membrane disc b; 4. an intermediate shaft; 5. fixing a sleeve; 6. A fixing bolt a; 7. mounting a plate; 8. a fixing bolt b; 9. a fixed mount; 10. rotating the ring; 11. a ball bearing; 12. an annular groove; 13. an input shaft; 14. an outer gear sleeve; 15. an inner gear sleeve; 16. and an output shaft.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a membrane disc shaft coupling that possesses overload protection, including shaft coupling main part 1, shaft coupling main part 1 mainly comprises membrane disc a2, membrane disc b3 and countershaft 4, jackshaft 4 is hollow structure, the surface at jackshaft 4 both ends is fixed mounting respectively has fixed cover 5, and two fixed covers 5 are respectively through mounting panel 7 fixed connection in the relative side of membrane disc a2 and membrane disc b3, the equal fixed mounting in a side that membrane disc a2 and membrane disc b3 carried on the back mutually has mount 9, the through-hole has been seted up on mount 9, and the inside of two through-holes is provided with input shaft 13 and output shaft 16 respectively, the right-hand member fixed mounting of input shaft 13 has outer tooth cover 14, output shaft 16's left end fixed mounting has interior tooth cover 15, meshing connection between outer tooth cover 14 and the interior tooth cover 15, the surface of input shaft 13 and output shaft 16 all is provided with change ring 10.

In this embodiment, the moment of torsion is transmitted to jackshaft 4 through membrane dish a2, and then transmits to membrane dish b3 through jackshaft 4, when membrane dish a2 or membrane dish b3 bear too big load, the moment of torsion transmits input shaft 13 through the outside, and then transmits the moment of torsion to output shaft 16 under the meshing effect of outer toothed sleeve 14 and interior toothed sleeve 15, and then transmit to equipment through output shaft 16, continue normal operation with the guarantee equipment, can drive swivel 10 when input shaft 13 and output shaft 16 rotate simultaneously and rotate, make swivel 10 roll in annular groove 12 through ball 11, and then support input shaft 13 and output shaft 16.

Furthermore, two ends of the intermediate shaft 4 are respectively fixedly connected with the two fixing sleeves 5 through a plurality of fixing bolts a 6.

In this embodiment, the intermediate shaft 4 is fixed by a plurality of fixing bolts a6, so that the connection between the intermediate shaft 4 and the fixing sleeve 5 is tighter.

Further, the number of the mounting plates 7 is two, and the two mounting plates 7 are fixedly connected with the membrane disc a2 and the membrane disc b3 through a plurality of fixing bolts b8 respectively.

In this embodiment, utilize a plurality of mounting panels 7 to fix fixed cover 5 installation, and then make jackshaft 4 can be through fixed cover 5 and mounting panel 7 and membrane dish a2 and the membrane dish b3 between be connected more stable and difficult not hard up, the dismantlement maintenance operation of later stage to shaft coupling main part 1 is also more convenient simultaneously.

Further, the outer surfaces of the input shaft 13 and the output shaft 16 are fixedly connected with a rotating ring 10, the outer surface of the rotating ring 10 is provided with four balls 11 in an annular array, the balls 11 are connected to the inner side wall of an annular groove 12 in a rolling manner, and the annular groove 12 is formed in the inner side wall of the fixed frame 9.

In this embodiment, the balls 11 on the rotating ring 10 roll in the annular groove 12 to support the rotating ring 10, and further support the input shaft 13 and the output shaft 16, so that the torque transmission between the input shaft 13 and the output shaft 16 is more stable.

Further, the outer diameter of the swivel 10 is larger than the diameter of the through hole.

In this embodiment, the outer diameter of the rotary ring 10 is set to be larger than the diameter of the through hole, and the rotary ring 10 protects the input shaft 13 and the output shaft 16 respectively to prevent the input shaft and the output shaft from moving laterally.

The utility model discloses a theory of operation and use flow: the torque is transmitted to the intermediate shaft 4 through the film disc a2, and then transmitted to the film disc b3 through the intermediate shaft 4, when the film disc a2 or the film disc b3 bear an excessive load, the torque is transmitted to the input shaft 13 through the outside, and then the torque is transmitted to the output shaft 16 under the meshing action of the outer gear sleeve 14 and the inner gear sleeve 15, and then transmitted to the equipment through the output shaft 16, so as to ensure that the equipment continues normal operation, and simultaneously, the input shaft 13 and the output shaft 16 can drive the rotating ring 10 to rotate when rotating, so that the rotating ring 10 rolls in the annular groove 12 through the balls 11, and then the input shaft 13 and the output shaft 16 are supported.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a membrane disc coupling that possesses overload protection, includes coupling main part (1), its characterized in that: the coupling main body (1) mainly comprises a membrane disc a (2), a membrane disc b (3) and an intermediate shaft (4), the intermediate shaft (4) is of a hollow structure, the outer surfaces of the two ends of the intermediate shaft (4) are respectively and fixedly provided with a fixing sleeve (5), the two fixing sleeves (5) are respectively fixedly connected to one side surface of the membrane disc a (2) opposite to the membrane disc b (3) through a mounting plate (7), a fixing frame (9) is fixedly arranged on one side surface of the membrane disc a (2) opposite to the other side surface of the membrane disc b (3), through holes are formed in the fixing frame (9), an input shaft (13) and an output shaft (16) are respectively arranged in the two through holes, an outer gear sleeve (14) is fixedly arranged at the right end of the input shaft (13), an inner gear sleeve (15) is fixedly arranged at the left end of the output shaft (16), the outer gear sleeve (14) is connected with the inner gear sleeve (15, and the outer surfaces of the input shaft (13) and the output shaft (16) are provided with rotating rings (10).

2. The diaphragm disc coupling with overload protection of claim 1, wherein: and the two ends of the intermediate shaft (4) are fixedly connected with the two fixed sleeves (5) through a plurality of fixed bolts a (6) respectively.

3. The diaphragm disc coupling with overload protection of claim 1, wherein: the quantity of mounting panel (7) is two, and two mounting panels (7) are respectively through a plurality of fixing bolt b (8) and membrane dish a (2) and membrane dish b (3) fixed connection.

4. The diaphragm disc coupling with overload protection of claim 1, wherein: the outer surface of the input shaft (13) and the outer surface of the output shaft (16) are fixedly connected with a rotating ring (10), the outer surface of the rotating ring (10) is provided with four balls (11) in an annular array, the balls (11) are connected to the inner side wall of an annular groove (12) in a rolling mode, and the inner side wall of a fixed frame (9) is arranged in the annular groove (12).

5. The diaphragm disc coupling with overload protection of claim 1, wherein: the outer diameter of the rotary ring (10) is larger than the diameter of the through hole.