CN218644689U

CN218644689U - Friction torque limiter with protection effect

Info

Publication number: CN218644689U
Application number: CN202222881054.6U
Authority: CN
Inventors: 蔡奎; 蔡亚鑫
Original assignee: Jiangxi Hifeen Heavy Industries S&t Co ltd
Current assignee: Jiangxi Hifeen Heavy Industries S&t Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-17
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a friction limit square ware with guard action, its technical scheme includes: shell and drive shaft, shell one side internal surface is equipped with the driving groove, the bearing is installed through the dead eye to the inside driving groove one side that is located of shell, the drive shaft has been cup jointed to the bearing internal surface, driving groove internal surface installs friction disc A through driving tooth A, the friction disc B is installed through driving tooth B to the drive shaft surface, driving groove internal surface one side has been cup jointed and has been removed the seat, it passes through adjusting bolt and connect in the shell to remove a surface. The utility model provides a friction limit square ware with guard action has solved current device and has adopted the unilateral spring to extrude to carry out spacing transmission, after the friction disc wearing and tearing are comparatively serious, singly organize spring force and can't extrude the locking to the friction disc, influence the problem of moment of torsion transmission, has guaranteed the frictional force of friction disc, and then has guaranteed the moment of torsion transmission of friction limit square ware.

Description

Friction torque limiter with protection effect

Technical Field

The utility model relates to a friction limit square ware technical field specifically is a friction limit square ware with guard action.

Background

The friction torque limiter transmits a set torque value through the matching of the elastic component and the friction component, is mainly used in a transmission system with limited space and larger transmission torque, and can be used in equipment such as a coal mine scraper conveyor, a metallurgical main rolling mill, a wind driven generator and the like

Through the massive search, discover a friction torque limiter like that disclosed as CN214331260U of friction torque limiter among the prior art, first friction disc is a plurality of, and is a plurality of first friction disc is followed the length direction interval arrangement of shaft hub, the second friction disc is a plurality of, and is a plurality of the second friction disc is followed the length direction interval arrangement of shaft hub, the second friction disc with first friction disc is in alternate arrangement in the length direction of shaft hub, and is a plurality of the first friction disc that is located the outside of keeping away from the separator in the first friction disc with the shaft hub links to each other.

The existing friction torque limiter mostly adopts a single-side spring to extrude, so that limit transmission is carried out, after a friction plate is seriously worn, the elastic force of a single group of springs cannot extrude and lock the friction plate, and torque transmission is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a friction limit square ware with guard action possesses the stable advantage of moment of torsion transmission, has solved current device and has adopted the unilateral spring to extrude more to carry out spacing transmission, after the friction disc wearing and tearing are comparatively serious, can't lock the friction disc, influence the problem of moment of torsion transmission.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a friction torque limiter with guard action, includes shell and drive shaft, wherein shell one side internal surface is equipped with the driving groove, the inside bearing that installs through the dead eye that is located driving groove one side of shell, the bearing internal surface has cup jointed the drive shaft, driving groove internal surface installs friction disc A through driving tooth A, friction disc B is installed through driving tooth B to the drive shaft surface, driving groove internal surface one side has cup jointed and has removed the seat, it passes through adjusting bolt and connects in the shell to remove the seat surface, it installs spring B through the spring groove to be close to friction disc B one side to remove the seat, spring A is installed through the spring groove in shell internal surface one side.

Preferably, the friction plates A are four in number, and the four friction plates A are arranged on the inner surface of the transmission groove at equal intervals.

Preferably, the number of the friction plates B is four, the four friction plates B are equidistantly arranged on the outer surface of the driving shaft, the four friction plates a and the four friction plates B are arranged in a staggered manner, and heat dissipation holes are formed in the friction plates a and the friction plates B.

Preferably, the outer surface of the shell is provided with cooling fins, the cooling fins are totally twenty-five, and twenty-five the cooling fins are respectively arranged at the outer surface of the shell.

Preferably, a connecting seat is installed on one side of the shell, and a connecting hole is formed in the connecting seat and close to the outer surface.

Preferably, the inner surface of the movable seat is provided with a sealing ring A through a sealing groove B, and the inner surface of the sealing ring A is in interference fit with the driving shaft.

Preferably, the inner surface of the shell is provided with a sealing ring B through a sealing groove A, and the inner surface of the sealing ring B is in interference fit with the movable seat.

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

1. the utility model discloses a set up spring A and spring B, reach and carry out two side extrusions to the friction disc, thereby guarantee the effect of friction moment of torsion, through spring A and spring B's elastic force, to friction disc A and friction disc B in close contact with, extrude with solving and adopting the unilateral spring more, thereby carry out spacing transmission, after the friction disc wearing and tearing are comparatively serious, singly organize spring force and can't extrude the locking to the friction disc, influence the problem of moment of torsion transmission, the frictional force of friction disc has been guaranteed, and then the moment of torsion transmission of friction limit square ware has been guaranteed.

2. The utility model discloses a setting removes seat and adjusting bolt, reaches quick adjustment spring force, from the effect of increase frictional force, drives through adjusting bolt and removes the seat and remove to carry out whole extrusion to spring A and spring B, in order to solve spring force adjustment process, can't carry out the overall regulation to a plurality of springs, influence the balanced problem of friction disc torque transmission, improved the elasticity degree of consistency that friction disc A and friction disc B received, thereby improved the moment of torsion transmission effect of friction limit square ware.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is a schematic side view of the present invention.

Reference numerals: 1. a connecting seat; 2. a housing; 3. cooling fins; 4. a movable seat; 5. a drive shaft; 6. adjusting the bolt; 7. connecting holes; 8. a spring A; 9. a transmission gear A; 10. a friction plate A; 11. a friction plate B; 12. a spring B; 13. a transmission groove; 14. a transmission gear B; 15. a spring slot; 16. a bearing; 17. a bearing bore; 18. a sealing ring A; 19. a seal ring B; 20. a sealing groove A; 21. a seal groove B; 22. and (4) radiating holes.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, in order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a friction torque limiter with guard action, including shell 2 and

drive shaft

5, 2 one side internal surface of shell is equipped with

drive groove

13, 2 inside being located drive groove 13 one side of shell installs bearing 16 through

dead eye

17, 16 internal surfaces of bearing have cup jointed drive shaft 5, drive groove 13 internal surface installs friction disc A10 through driving tooth A9, friction disc A10 is equipped with four altogether, and four friction disc A10 equidistance branch locate drive groove 13 internal surface position department, 5 external surfaces of drive shaft install friction disc B11 through driving tooth B14, friction disc B11 is equipped with four altogether, and four friction disc B11 equidistance branch locate drive shaft 5 external surface position department, four friction disc A10 and friction disc B11 dislocation set, friction disc A10 and the inside friction disc B11 all are equipped with friction disc 22 louvres, reduce the operating temperature of friction disc A10 and friction disc B11, 13 internal surface one side has cup jointed removal seat 4 in drive groove 13, remove seat 4 external surface and pass through adjusting bolt 6 and connect in shell 2, remove seat 4 and install spring groove 15 one side through spring groove 15 and install spring 12 for extrude friction disc A10 and friction disc B11, it is equipped with convenient connection seat to be close to be equipped with connecting hole 1 internal surface mechanism to the connecting seat, 2.

The working principle of a friction torque limiter with a protective effect based on embodiment 1 is as follows: will the utility model discloses after the installation, during the use, connect drive mechanism through connecting seat 1, it rotates to drive shaft 5 through actuating mechanism, it rotates to drive friction disc B11 through drive shaft 5 and driving gear B14, frictional force through friction disc B11 and friction disc A10, progressively drive friction disc A10 and rotate, through friction disc A10 and driving gear A9, it rotates to drive shell 2, through shell 2 and connecting seat 1, it rotates to drive mechanism, when driving torque is great, through friction disc A10 and friction disc B11 relative rotation, reduce the moment of torsion and to drive mechanism's transmission impact force, after long-time the use, locking adjusting bolt 6, it moves 4 whole sideshifts to drive through adjusting bolt 6, through removing seat 4 to spring A8 and spring B12, extrude, guarantee spring A8 and spring B12's elasticity degree of consistency, thereby guarantee the utility model discloses a moment of torsion output, this equipment work flow is accomplished.

Example two

As shown in fig. 1-4, compared with the first embodiment, the friction torque limiter with protection function of the present invention further includes: 2 surface mounting on the shell has cooling fin 3, and cooling fin 3 is equipped with twenty five altogether, and twenty five cooling fins 3 divide and locate 2 surface position departments on the shell, cool down shell 2, remove 4 internal surfaces on the seat and install sealing washer A18 through seal groove B21, sealing washer A18 internal surface and 5 interference fit of drive shaft, sealing washer B19 is installed through seal groove A20 to 2 internal surfaces on the shell, sealing washer B19 internal surface and the 4 interference fit of removal seat.

In this embodiment, during the use, dispel the heat the cooling to shell 2 through setting up cooling fin 3 to reduce friction disc A10 and friction disc B11's service temperature, prolong the utility model discloses a life, simultaneously, through the sealing washer A18 and the sealing washer B19 that set up, seal the junction, prevent that fluid from revealing, influencing the utility model discloses a life.

The above embodiments are merely some preferred embodiments of the present invention, and many alternative modifications and combinations can be made to the above embodiments by those skilled in the art based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. A friction torque limiter with a protective effect comprises a shell (2) and a driving shaft (5), and is characterized in that: shell (2) one side internal surface is equipped with drive groove (13), shell (2) inside is located drive groove (13) one side and installs bearing (16) through dead eye (17), bearing (16) internal surface has cup jointed drive shaft (5), friction disc A (10) are installed through driving gear A (9) to drive groove (13) internal surface, friction disc B (11) are installed through driving gear B (14) to drive shaft (5) surface, drive groove (13) internal surface one side has cup jointed and has removed seat (4), it connects in shell (2) through adjusting bolt (6) to remove seat (4) surface, it installs spring B (12) through spring groove (15) to be close to friction disc B (11) one side to remove seat (4), spring A (8) are installed through spring groove (15) in shell (2) internal surface one side.

2. A protective friction torque limiter according to claim 1, wherein: the friction plates A (10) are four in number, and the friction plates A (10) are arranged on the inner surface of the transmission groove (13) at equal intervals.

3. A protective friction torque limiter according to claim 2, wherein: friction disc B (11) are equipped with four altogether, and four friction disc B (11) equidistance branch locates drive shaft (5) surface position department, four friction disc A (10) and friction disc B (11) dislocation set, inside louvre (22) all being equipped with of friction disc A (10) and friction disc B (11).

4. A protective friction torque limiter according to claim 1, wherein: the outer surface mounting of shell (2) has cooling fin (3), cooling fin (3) are equipped with twenty five altogether, and twenty five cooling fin (3) branch is located shell (2) surface position department.

5. The friction torque limiter with the protection function according to claim 1, wherein a connecting seat (1) is installed on one side of the shell (2), and a connecting hole (7) is formed in the connecting seat (1) close to the outer surface.

6. The friction torque limiter with protection function as claimed in claim 1, wherein: a sealing ring A (18) is installed on the inner surface of the movable seat (4) through a sealing groove B (21), and the inner surface of the sealing ring A (18) is in interference fit with the driving shaft (5).

7. A protective friction torque limiter according to claim 1, wherein: sealing washer B (19) are installed through seal groove A (20) to shell (2) internal surface, sealing washer B (19) internal surface and removal seat (4) interference fit.