CN212564120U

CN212564120U - Resetting device of torque limiter

Info

Publication number: CN212564120U
Application number: CN202021245379.XU
Authority: CN
Inventors: 周莹; 苏泽民; 李娟�
Original assignee: Changzhou Rexnord Transmission Co ltd
Current assignee: Changzhou Rexnord Transmission Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-19
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a resetting means of torque limiter, including the axle sleeve, the one end of axle sleeve is equipped with the moment of torsion restriction unit, the moment of torsion restriction unit has the round pin that resets, and its innovation point lies in: still include connection pad, hydro-cylinder, thrust plate and clamp plate, the connection pad passes through the other end of bearing dress at the axle sleeve, the hydro-cylinder is established on the connection pad, the thrust plate is established on the connection pad and is located the outside of hydro-cylinder, the piston rod and the thrust plate fixed connection of hydro-cylinder, the clamp plate is established on the thrust plate, and the clamp plate is located torque limiting unit's the round pin that resets one side. The utility model discloses the round pin that resets that need not shut down can make moment of torsion restriction unit resets automatically.

Description

Resetting device of torque limiter

Technical Field

The utility model relates to a resetting means, concretely relates to torque limiter's resetting means.

Background

The torque limiter not only plays a role in transmitting torque, but also can be disconnected when the torque reaches a certain value, so that equipment and a coupler of a user are protected. In the running process of the unit, when the real-time torque exceeds a set torque value, the overload torque overcomes the friction force and automatically slips, so that the safety of the unit and the coupling is protected; when the overload condition disappears, the connection of the torque limiter is recovered in a manual mode, so that the unit normally operates again, and the continuous and stable transmission of the torque and the motion between the two shafts is realized. In the prior art, the torque limiter needs to be manually reset every time, so that the workload is increased, and the production of a user is influenced to a certain extent by the reset of the shutdown operation.

Disclosure of Invention

The utility model aims at: provided is a resetting device for a torque limiter, which can automatically reset without stopping the device.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a torque limiter's resetting means, includes the axle sleeve, the one end of axle sleeve is equipped with the torque limiting unit, the torque limiting unit has the round pin that resets, and its innovation point lies in: still include connection pad, hydro-cylinder, thrust plate and clamp plate, the connection pad passes through the other end of bearing dress at the axle sleeve, the hydro-cylinder is established on the connection pad, the thrust plate is established on the connection pad and is located the outside of hydro-cylinder, the piston rod and the thrust plate fixed connection of hydro-cylinder, the clamp plate is established on the thrust plate, and the clamp plate is located torque limiting unit's the round pin that resets one side.

In the above technical scheme, the bearing further comprises a dust cover, wherein the dust cover is arranged on the connecting disc and is positioned on the outer side of the bearing.

In the technical scheme, the oil way connector is arranged on the connecting disc and is connected with the oil cylinder pipeline.

In the technical scheme, one side of connection pad is equipped with the bearing recess, be equipped with first jump ring on the axle sleeve, the bearing is installed in the bearing recess of connection pad, and the outside of bearing offsets with first jump ring, first jump ring has played fixed effect to the bearing.

In the technical scheme, an oil cylinder groove is formed in the other side of the connecting disc, and a thrust plate mounting step is formed in the outer side of the oil cylinder groove, the oil cylinder is arranged in the oil cylinder groove of the connecting disc, and the thrust plate is arranged on the thrust plate mounting step.

In the above technical scheme, the thrust plate is provided with the second snap spring, the pressing plate on the thrust plate abuts against the second snap spring, and the second snap spring has a fixing effect on the pressing plate.

In the technical scheme, a sealing ring is arranged between the thrust plate and the thrust plate mounting step of the connecting disc.

The utility model discloses the positive effect who has is: after the resetting device of the torque limiter is adopted, the utility model also comprises a connecting disc, an oil cylinder, a thrust plate and a pressing plate, wherein the connecting disc is arranged at the other end of the shaft sleeve through a bearing, the oil cylinder is arranged on the connecting disc, the thrust plate is arranged on the connecting disc and positioned at the outer side of the oil cylinder, a piston rod of the oil cylinder is fixedly connected with the thrust plate, the pressing plate is arranged on the thrust plate, and the pressing plate is positioned at one side of the resetting pin of the torque limiting unit, when in use, the oil cylinder is connected with a hydraulic oil circuit system pipeline, when the real-time torque exceeds the set torque value in the operation process of the unit, the overload torque overcomes the friction force and automatically slips, the resetting pin of the torque limiting unit is in an ejecting state, when the overload condition disappears, the hydraulic oil circuit system injects lubricating oil into the oil cylinder to the required component to, under the action of pressure, a piston rod of the oil cylinder pushes the thrust plate and the pressing plate, the pressing plate is abutted against a reset pin of the torque limiting unit, and the reset pin works to complete reset of the torque limiter through acting force, so that the unit normally operates again, and continuous and stable transmission of torque and motion between two shafts is realized. And after the resetting is finished, the lubricating oil in the oil cylinder is discharged, the pressure is relieved, and the piston rod of the oil cylinder is reset. The utility model is not only simple in structure, can accomplish the action that resets of moment of torsion restriction unit under the prerequisite of not shutting down, not only reduce work load, overcome moreover among the prior art because of shutting down the produced influence of operation reset to user's production.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, but is not limited thereto.

As shown in fig. 1, a resetting means of torque limiter, including axle sleeve 1, the one end of axle sleeve 1 is equipped with torque limiting unit 2, torque limiting unit 2 has reset pin 21, still includes connection pad 3, hydro-cylinder 4, thrust plate 5 and clamp plate 6, connection pad 3 passes through bearing 7 and adorns the other end at axle sleeve 1, hydro-cylinder 4 is established on connection pad 3, thrust plate 5 is established on connection pad 3 and is located the outside of hydro-cylinder 4, the piston rod and the thrust plate 5 fixed connection of hydro-cylinder 4, clamp plate 6 is established on thrust plate 5, and clamp plate 6 is located torque limiting unit 2's reset pin 21 one side.

As shown in fig. 1, in order to prevent the dust from entering the bearing, the utility model discloses still include dust cover 8, be equipped with dust cover 8 on the connection pad 3, and dust cover 8 is located the outside of bearing 7, can effectively block like this that the dust gets into in the bearing.

As shown in fig. 1, in order to facilitate the pipe connection of the hydraulic oil circuit system and the oil cylinder, the utility model discloses still include oil circuit joint 9, oil circuit joint 9 is established on connection pad 3, and oil circuit joint 9 has the oil filler point, oil circuit joint 9's oil filler point and 4 pipe connections of hydro-cylinder.

As shown in fig. 1, in order to make the utility model discloses the structure is more reasonable, one side of connection pad 3 is equipped with bearing groove 31, be equipped with first jump ring 10 on the axle sleeve 1, bearing 7 is installed in bearing groove 31 of connection pad 3, and bearing 7's the outside offsets with first jump ring 10, first jump ring 10 has played the fixed action to bearing 7.

As shown in fig. 1, in order to make the structure more compact and facilitate the installation of the thrust plate and the oil cylinder, the other side of the connecting plate 3 is provided with an oil cylinder groove 32 and a thrust plate installation step 33 arranged outside the oil cylinder groove 32, the oil cylinder 4 is arranged in the oil cylinder groove 32 of the connecting plate 3, and the thrust plate 5 is arranged on the thrust plate installation step 33.

As shown in fig. 1, in order to facilitate rapid assembly of the pressing plate, a second snap spring 11 is arranged on the thrust plate 5, the pressing plate 6 on the thrust plate 5 abuts against the second snap spring 11, and the second snap spring 11 fixes the pressing plate 6.

As shown in fig. 1, a seal ring 12 is provided between the thrust plate 5 and a thrust plate mounting step 33 of the land 3 in order to ensure sealability between the thrust plate and the land.

When the utility model is used, the oil line joint 9 is connected with a hydraulic oil line system pipeline, in the running process of the unit, when the real-time torque exceeds the set torque value, the overload torque overcomes the friction force and automatically slips, the reset pin 21 of the torque limiting unit 2 is in an ejecting state, when the overload condition disappears, the hydraulic oil circuit system injects lubricating oil into the oil cylinder 4 until the lubricating oil reaches the required component to generate certain pressure intensity, under the action of pressure, a piston rod of the oil cylinder 4 pushes the thrust plate 5 and the pressure plate 6, the pressure plate 6 is propped against the reset pin 21 of the torque limiting unit 2, the reset pin works through acting force so as to complete the reset of the torque limiter, and meanwhile, the friction force between the reset pin and the pressure plate is transferred between the pressure plate and the thrust plate, so that the unit normally operates again, and the continuous and stable transmission of the torque and the motion between the two shafts is realized. And after the resetting is finished, the lubricating oil in the oil cylinder is discharged, the pressure is relieved, and the piston rod of the oil cylinder is reset. The utility model is not only simple in structure, can accomplish the action that resets of moment of torsion restriction unit under the prerequisite of not shutting down, not only reduce work load, overcome moreover among the prior art because of shutting down the produced influence of operation reset to user's production.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A reset device of a torque limiter comprises a shaft sleeve (1), wherein one end of the shaft sleeve (1) is provided with a torque limiting unit (2), the torque limiting unit (2) is provided with a reset pin (21), and the reset device is characterized in that: still include connection pad (3), hydro-cylinder (4), thrust plate (5) and clamp plate (6), connection pad (3) are adorned at the other end of axle sleeve (1) through bearing (7), establish on connection pad (3) hydro-cylinder (4), establish on connection pad (3) and be located the outside of hydro-cylinder (4) thrust plate (5), the piston rod and thrust plate (5) fixed connection of hydro-cylinder (4), establish on thrust plate (5) clamp plate (6), and clamp plate (6) are located the round pin (21) one side that resets of moment of torsion restriction unit (2).

2. The return device for a torque limiter according to claim 1, wherein: still include dust cover (8), be equipped with dust cover (8) on connection pad (3), and dust cover (8) are located the outside of bearing (7).

3. The return device for a torque limiter according to claim 1, wherein: the oil way connector (9) is arranged on the connecting disc (3), and the oil way connector (9) is connected with the oil cylinder (4) through a pipeline.

4. The return device for a torque limiter according to claim 1, wherein: one side of connection pad (3) is equipped with bearing groove (31), be equipped with first jump ring (10) on axle sleeve (1), install in bearing groove (31) of connection pad (3) bearing (7), and the outside of bearing (7) offsets with first jump ring (10).

5. The return device for a torque limiter according to claim 1, wherein: the other side of connection pad (3) is equipped with hydro-cylinder groove (32) to and establish thrust plate installation step (33) in hydro-cylinder groove (32) outside, hydro-cylinder (4) are established in hydro-cylinder groove (32) of connection pad (3), thrust plate (5) are established on thrust plate installation step (33).

6. The return device for a torque limiter according to claim 1, wherein: and a second snap spring (11) is arranged on the thrust plate (5), and a pressing plate (6) on the thrust plate (5) is abutted against the second snap spring (11).

7. The return device for a torque limiter according to claim 5, wherein: and a sealing ring (12) is arranged between the thrust plate (5) and a thrust plate mounting step (33) of the connecting disc (3).