CN217130155U

CN217130155U - Torsion limiter for coupler

Info

Publication number: CN217130155U
Application number: CN202220377683.2U
Authority: CN
Inventors: 陈宏彰
Original assignee: Amyi Nanjing Equipment Manufacturing Co ltd
Current assignee: Amyi Nanjing Equipment Manufacturing Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-08-05
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a torsion limiter for shaft coupling relates to torsion restriction technical field, leads to the problem that equipment shut down for solving current equipment overload. The utility model discloses a ball bearing, including first solid fixed ring, ring flange and third solid fixed ring, first solid fixed ring outside one side is installed and is adjusted the outer loop, and adjusts the outer loop and pass through screw-thread fit with first solid fixed ring and be connected, the solid fixed ring of third is installed to the outside one end of first solid fixed ring, and the solid fixed ring of third rotates with first solid fixed ring to be connected, the ring flange is installed to the outside one end of the solid fixed ring of third, and ring flange and third solid fixed ring fixed connection, a plurality of ball holes along annular evenly distributed are seted up to the outside one side of keeping away from the ring flange of the solid fixed ring of third, and ball hole and the solid fixed ring integrated into one piece of third, the internally mounted in ball hole has the ball, the outside one side of adjusting the outer loop of ball is close to install movable outer loop and annular shell fragment.

Description

Torsion limiter for coupler

Technical Field

The utility model relates to a torsion restriction technical field specifically is a torsion limiter for shaft coupling.

Background

The coupling is also called coupling. Mechanical parts for firmly coupling the driving shaft and the driven shaft in different mechanisms to rotate together and transmitting motion and torque. Sometimes also to couple shafts with other parts. Usually, the two halves are combined and fastened to the two shaft ends by a key or a tight fit, and then the two halves are connected in a certain way. The coupler can compensate the offset between the two shafts due to inaccurate manufacture and installation, deformation or thermal expansion in work and the like; and shock mitigation and absorption.

However, when the existing coupling is used for transmission, a machine suddenly stops, the continuous transmission of the coupling causes overload, the machine stops, and the machine is damaged, so that the existing requirement is not met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a torque limiter for shaft coupling to the equipment that provides among the above-mentioned background art of solution transships and leads to the problem that equipment shut down.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a torque limiter for shaft coupling, includes first solid fixed ring, the regulation outer loop is installed to first solid fixed ring outside one side, and adjusts the outer loop and pass through screw-thread fit with first solid fixed ring and be connected, solid fixed ring of third is installed to first solid fixed ring outside one end, and solid fixed ring of third rotates with first solid fixed ring to be connected, the ring flange is installed to the solid fixed ring outside one end of third, and ring flange and third solid fixed ring fixed connection, a plurality of ball holes along annular evenly distributed are seted up to the outside one side of keeping away from the ring flange of solid fixed ring of third, and ball hole and the solid fixed ring integrated into one piece of third, the internally mounted in ball hole has the ball, ball outside is close to one side of adjusting the outer loop and installs movable outer loop and annular shell fragment.

Preferably, a plurality of first bolts which are uniformly distributed along the ring shape are installed on one side, far away from the ring-shaped elastic piece, of the outer portion of the adjusting outer ring, the first bolts are connected with the adjusting outer ring in a threaded fit mode, and one end of each first bolt penetrates through the adjusting outer ring and extends to the outer portion of the ring-shaped elastic piece.

Preferably, the second fixing ring is installed at one end of the interior of the first fixing ring, and the second fixing ring is rotatably connected with the first fixing ring.

Preferably, a plurality of second bolts along annular evenly distributed are installed to the outside one end of the solid fixed ring of second, and the second bolt passes through screw-thread fit with the solid fixed ring of second and is connected, the outside one side that is close to the second bolt of first solid fixed ring is provided with the screw hole, and the second bolt passes through screw-thread fit with the screw hole and is connected.

Preferably, an infrared distance detector is installed on one side of the outer portion of the adjusting outer ring, and the infrared distance detector is fixedly connected with the adjusting outer ring.

Preferably, a plurality of air ducts which are uniformly distributed along the ring shape are formed in the outer portion of the third fixing ring, and the air ducts are communicated with the ball holes.

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

1. the utility model is characterized in that a flange is arranged at one side outside the third fixing ring, the third fixing ring is connected with the driving structure through the flange, the second fixing ring is connected with the transmission structure, the driving structure is started, the ball hole at one side inside the third fixing ring generates acting force to the ball, the acting force is smaller than the acting force of the annular elastic sheet on the movable outer ring, so that the first fixing ring and the second fixing ring rotate along with the first fixing ring and the second fixing ring, when the driving structure is overloaded, the acting force of the third fixed ring on the ball is larger than the acting force of the annular elastic sheet, thereby the ball bearing generates acting force to the movable outer ring, the movable outer ring pushes the annular elastic sheet to deform under stress, and then make the ball break away from the ball hole, cancel the linkage between first solid fixed ring and the third solid fixed ring to make the idle running of drive structure, prevent that overload operation from causing the injury to drive structure.

2. The utility model discloses an externally mounted at first solid fixed ring has the regulation outer loop, the rotation regulation outer loop, and it converts rotary motion into linear motion with first solid fixed ring transmission under screw-thread fit to the position of outer loop is adjusted in the change, will adjust the outer loop and take off the rear and can change annular shell fragment, and the first bolt of rotation regulation outer loop externally mounted makes its removal, and the effort to annular shell fragment is changed through the regulation to first bolt, thereby changes the holding capacity of annular shell fragment.

3. The utility model discloses an infrared signal return speed that infrared distance detection ware launches produces the difference, and then judges that the activity outer loop removes, and the machine takes place to transship, and infrared distance detection ware sends the alarm suggestion with signal transmission for the controller through the controller, prevents that long-time overload from leading to the inside high temperature of torque limiter, causes other damages.

Drawings

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

fig. 2 is a perspective view of a third fixing ring of the present invention;

fig. 3 is a perspective view of a second fixing ring of the present invention.

In the figure: 1. a first retaining ring; 2. a second retaining ring; 3. adjusting the outer ring; 4. a first bolt; 5. a movable outer ring; 6. a ball hole; 7. a ball bearing; 8. a third fixing ring; 9. a flange plate; 10. an annular spring plate; 11. an infrared distance detector; 12. an air duct; 13. a second bolt; 14. a threaded bore.

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. 1-3, the present invention provides an embodiment: a torsion limiter for a coupler comprises a first fixing ring 1, an adjusting outer ring 3 is arranged on one side of the outer part of the first fixing ring 1, the adjusting outer ring 3 is connected with the first fixing ring 1 in a thread fit way, one end of the outer part of the first fixing ring 1 is provided with a third fixing ring 8, and the third fixing ring 8 is rotationally connected with the first fixing ring 1, one end of the outer part of the third fixing ring 8 is provided with a flange 9, the flange plate 9 is fixedly connected with a third fixing ring 8, one side of the outer part of the third fixing ring 8 far away from the flange plate 9 is provided with a plurality of ball holes 6 which are uniformly distributed along the ring shape, and ball hole 6 and solid fixed ring 8 integrated into one piece of third, the internally mounted of ball hole 6 has ball 7, and ball 7 outside is close to one side of adjusting outer loop 3 and installs activity outer loop 5 and annular shell fragment 10, and ring flange 9 makes the torque limiter more convenient with drive structural connection.

Further, adjust 3 outside one sides of keeping away from annular shell fragment 10 of outer loop and install a plurality of first bolts 4 along annular evenly distributed, and first bolt 4 with adjust outer loop 3 and be connected through screw-thread fit, the one end of first bolt 4 runs through and adjusts outer loop 3 and extend to the outside of annular shell fragment 10, can adjust annular shell fragment 10 effort through first bolt 4 to change the torsion settlement of torsion limiter.

Further, the second fixing ring 2 is installed to the inside one end of first fixing ring 1, and the second fixing ring 2 rotates with first fixing ring 1 to be connected, and first fixing ring 1 is used for being connected with transmission structure.

Further, a plurality of second bolts 13 along annular evenly distributed are installed to the solid fixed ring 2 outside one end of second, and second bolt 13 is connected through screw-thread fit with solid fixed ring 2 of second, and the outside one side that is close to second bolt 13 of first solid fixed ring 1 is provided with screw hole 14, and second bolt 13 is connected through screw-thread fit with screw hole 14.

Further, adjust the outside one side of outer loop 3 and install infrared distance detector 11, and infrared distance detector 11 with adjust outer loop 3 fixed connection, infrared distance detector 11 is used for detecting movable outer loop 5 and whether produces the displacement.

Further, a plurality of air ducts 12 which are uniformly distributed along the annular shape are formed in the outer portion of the third fixing ring 8, the air ducts 12 are communicated with the ball holes 6, and the air ducts 12 improve the heat dissipation capacity of the ball holes 6, so that the balls 7 are prevented from generating heat in long-time transmission and are not easy to dissipate.

The working principle is as follows: when the driving structure is overloaded, the acting force of the third fixing ring 8 on the balls 7 is greater than that of the annular elastic sheet 10, so that the balls 7 generate acting force on the movable outer ring 5, the movable outer ring 5 pushes the annular elastic sheet 10 to deform under stress, the balls 7 are separated from the ball holes 6, linkage between the first fixing ring 1 and the third fixing ring 8 is cancelled, and the driving structure idles, prevent that overload operation from causing the injury to drive structure, when activity outer loop 5 is promoted, the infrared signal return speed that infrared distance detector 11 launches produces the difference, and then judge that activity outer loop 5 removes, the machine takes place to transship, infrared distance detector 11 gives the controller with the signal transmission, send out the alarm prompt through the controller, the externally mounted of first solid fixed ring 1 has the regulation outer loop 3, rotatory regulation outer loop 3, it converts rotary motion into linear motion with first solid fixed ring 1 transmission under the screw-thread fit, thereby change the position of adjusting outer loop 3, will adjust outer loop 3 and take off the back and can change annular shell fragment 10, the first bolt 4 of the externally mounted of rotatory regulation outer loop 3 makes it remove, change the effort to annular shell fragment 10 through the regulation to first bolt 4, thereby change the holding capacity of annular shell fragment 10.

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. A torque limiter for a coupling, comprising a first fixing ring (1), characterized in that: an adjusting outer ring (3) is arranged on one side of the outer part of the first fixing ring (1), the adjusting outer ring (3) is connected with the first fixing ring (1) in a threaded fit manner, a third fixing ring (8) is arranged at one end outside the first fixing ring (1), and the third fixing ring (8) is rotationally connected with the first fixing ring (1), a flange plate (9) is arranged at one end of the outer part of the third fixing ring (8), the flange plate (9) is fixedly connected with a third fixing ring (8), one side of the outer part of the third fixing ring (8) far away from the flange plate (9) is provided with a plurality of ball holes (6) which are uniformly distributed along the ring shape, and the ball hole (6) and the third fixing ring (8) are integrally formed, a ball (7) is arranged in the ball hole (6), and a movable outer ring (5) and an annular elastic sheet (10) are arranged on one side of the outer part of the ball (7) close to the adjusting outer ring (3).

2. A torque limiter for a coupling according to claim 1, wherein: one side of the outer portion of the adjusting outer ring (3), which is far away from the annular elastic sheet (10), is provided with a plurality of first bolts (4) which are uniformly distributed along the annular shape, the first bolts (4) are connected with the adjusting outer ring (3) in a thread fit mode, and one ends of the first bolts (4) penetrate through the outer portion of the adjusting outer ring (3) and extend to the annular elastic sheet (10).

3. A torque limiter for a coupling according to claim 1, wherein: the second fixing ring (2) is installed at one end inside the first fixing ring (1), and the second fixing ring (2) is rotatably connected with the first fixing ring (1).

4. A torque limiter for a coupling according to claim 3, wherein: a plurality of second bolts (13) along annular evenly distributed are installed to the outside one end of the second fixed ring (2), and are connected through screw-thread fit with the second fixed ring (2), one side that first fixed ring (1) outside is close to second bolt (13) is provided with screw hole (14), and second bolt (13) are connected through screw-thread fit with screw hole (14).

5. A torque limiter for a coupling according to claim 1, wherein: and an infrared distance detector (11) is installed on one side of the outer part of the adjusting outer ring (3), and the infrared distance detector (11) is fixedly connected with the adjusting outer ring (3).

6. A torque limiter for a coupling according to claim 1, wherein: a plurality of air ducts (12) which are uniformly distributed along the ring shape are formed in the outer portion of the third fixing ring (8), and the air ducts (12) are communicated with the ball holes (6).