CN215853545U

CN215853545U - Buffer roller for conveyer belt

Info

Publication number: CN215853545U
Application number: CN202121905499.2U
Authority: CN
Inventors: 平庆昌; 王传厚; 刘绪东
Original assignee: Jining Mingshunda Mining Machinery Manufacturing Co ltd
Current assignee: Jining Mingshunda Mining Machinery Manufacturing Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-18
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a buffer carrier roller for a conveyor belt, which belongs to the technical field of mining conveying equipment, wherein the left end of a central buffer roller is hinged with one end of a left buffer roller through a left hinged frame, the other end of the left buffer roller is hinged with one end of a left buffer rod arranged on the left roller frame in a penetrating way, the other end of a right buffer roller is hinged with one end of a right buffer rod arranged on the right roller frame in a penetrating way, the other end of the right buffer rod is fixed on the right roller frame through a right buffer spring, a left support leg is hinged with the lower part of the left hinged frame, a right support leg is hinged with the lower part of the right hinged frame, the pressure effect of a conveyor belt is primarily buffered through the left buffer spring on the left buffer rod and the right buffer spring on the right buffer rod, the left support leg and the right support leg are separated under the gravity effect, secondary buffering is carried out under the action of a tension spring, and a support rod and a support frame rotate at the hinged position under the action of a return spring, and the gyro wheel outwards removes to reduce the impact force, thereby protect conveyer belt and bearing roller, increase of service life.

Description

Buffer roller for conveyer belt

Technical Field

The utility model belongs to the technical field of mining conveying equipment, and particularly relates to a buffer roller for a conveying belt.

Background

The carrier roller is an important part of the belt conveyor, can support the weight of the conveying belt and materials, supports the weight of the conveying belt and the materials, is flexible and reliable, and reduces the friction force between the conveying belt and the carrier roller. There are different requirements for the material and structure of the idler, depending on the field of use of the conveyor belt.

At present, the receiving point of a coal mine conveyor is mostly in a form of additionally installing a buffer carrier roller group for absorbing impact energy when materials fall, but in practical application, on a receiving conveyor with large transportation capacity and large fall, particularly block-shaped materials, the receiving conveyor is often small in buffer stroke, poor in buffer effect, large in friction resistance between a buffer carrier roller and a conveying belt, and the conveying belt cannot be effectively protected when being impacted by the large block-shaped materials, so that the whole conveying belt is scrapped at an accelerated speed due to the fact that the whole conveying belt is subjected to thousands of sores.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a buffer roller for a conveying belt.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a buffer carrier roller for a conveyor belt comprises a central buffer roller and a cross beam, wherein a left carrier roller frame and a right carrier roller frame are respectively arranged at two ends of the cross beam, the left end of the central buffer roller is hinged with one end of a left buffer roller through a left hinged frame, the other end of the left buffer roller is hinged with one end of a left buffer rod arranged on the left carrier roller frame in a penetrating way, the other end of the left buffer rod is fixed on the left carrier roller frame through a left buffer spring, the right end of the central buffer roller is hinged with one end of a right buffer roller through a right hinged frame, the other end of the right buffer roller is hinged with one end of a right buffer rod arranged on the right carrier roller frame in a penetrating way, the other end of the right buffer rod is fixed on the right carrier roller frame through a right buffer spring, a left supporting leg is hinged at the lower part of the left hinged frame, a right supporting leg is hinged at the lower part of the right hinged frame, the left supporting leg and the right supporting leg are identical in structure and are symmetrically arranged, the left supporting leg and the right supporting leg are connected through a tension spring.

Preferably, the central buffer roller, the left buffer roller and the right buffer roller form a circular arc shape in which the central buffer roller hangs down and the left buffer roller and the right buffer roller incline upwards.

Preferably, the end parts of the left buffer rod and the right buffer rod are provided with limiting plates.

Preferably, left leg and right leg structure are the same, all include the support, the support articulates at the branch middle part, branch one end is equipped with the gyro wheel, and the other end passes through reset spring and connects the middle part of support.

Preferably, the roller moves in a sliding groove arranged on the cross beam.

Compared with the prior art, the utility model has the following beneficial effects: (1) the action of the pressure of the conveying belt is primarily buffered through the stress of the left buffer spring on the left buffer rod and the right buffer spring on the right buffer rod; (2) the left supporting leg and the right supporting leg are separated under the action of gravity, and secondary buffering is performed under the action of a tension spring; (3) under the effect of the reset spring, the support rod and the support rotate at the hinged position, and the roller moves outwards, so that the impact force is reduced, the conveying belt and the carrier roller are protected, and the service life is prolonged.

Drawings

The utility model is further described with reference to the following figures and detailed description.

Fig. 1 is a schematic structural view of a buffer roller for a conveyor belt according to the present invention;

in the figure: 1. a central buffer roller; 2. a left buffer roller; 3. a right buffer roller; 4. a left hinge frame; 5. a right hinge frame; 6. a cross beam; 7. a left carrier roller frame; 8. a right idler frame; 9. a left bumper bar; 10. a left buffer spring; 11. a limiting plate; 12. a right bumper bar; 13. a right buffer spring; 14. a left leg; 15. a right leg; 16. tensioning the spring; 17. a support; 18. a strut; 19. a roller; 20. a return spring.

Detailed Description

In order to make the technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following specific embodiments.

The embodiment of the utility model discloses a buffer idler for a conveyor belt, which comprises a central buffer roller 1 and a cross beam 6, a left roller frame 7 and a right roller frame 8 are respectively arranged at the two ends of the cross beam 6, the left end of the central buffer roller 1 is hinged with one end of the left buffer roller 2 through a left hinge frame 4, the other end of the left buffer roller 2 is hinged and penetrated at one end of a left buffer rod 9 arranged on the left roller bracket 7, the other end of the left buffer rod 9 is fixed on the left roller bracket 7 through a left buffer spring 10, the right end of the central buffer roller 1 is hinged with one end of the right buffer roller 3 through a right hinge bracket 5, the other end of the right buffer roller 3 is hinged and penetrated at one end of a right buffer rod 12 arranged on the right roller bracket 8, the other end of the right buffer rod 12 is fixed on the right roller frame 8 through a right buffer spring 13, and the end parts of the left buffer rod 9 and the right buffer rod 12 are both provided with limiting plates 11. A left leg 14 is hinged at the lower part of the left hinge frame 4, a right leg 15 is hinged at the lower part of the right hinge frame 5, the left leg 14 and the right leg 15 are identical in structure and are symmetrically arranged, and the left leg 14 and the right leg 15 are connected through a tension spring 16.

The left supporting leg 14 and the right supporting leg 15 are identical in structure and comprise a support 17, the support 17 is hinged to the middle of a supporting rod 18, one end of the supporting rod 18 is provided with a roller 19, and the other end of the supporting rod is connected with the middle of the support 17 through a return spring 20. The rollers 19 move in sliding channels provided on the cross beam 6.

After the materials fall on the conveying belt, the conveying belt generates downward pressure under the action of the gravity of the materials and the falling impact force, the pressure is completely applied to the buffer carrier roller, after the buffer carrier roller is subjected to the pressure, the central buffer roller 1 sags, the left buffer roller 2 and the right buffer roller 3 form an arc shape that the central buffer roller 1 inclines upwards, the left buffer roller 2 and the right buffer roller 3 incline upwards, and the hard collision is overcome,

the left buffer spring 10 on the left buffer rod 9 and the right buffer spring 13 on the right buffer rod 12 are stressed to primarily buffer the pressure of the conveying belt. Left leg 14 and right leg 15 part under the action of gravity, carry out the secondary buffering under straining spring 16's effort, and left leg 14 and right leg 15 bottom roller 19 removes in the spout that sets up on crossbeam 6, and under reset spring 20 effect, branch 18 rotates in articulated department with support 17, and roller 19 outwards removes to reduce the impact force, thereby protect conveyer belt and bearing roller, increase of service life.

It should be understood that the detailed description and specific examples, while indicating the utility model, are given by way of illustration only, since various other embodiments will become apparent to those skilled in the art upon reference to the following detailed description.

Claims

1. The utility model provides a buffering bearing roller for conveyer belt, includes central buffering roller (1) and crossbeam (6) both ends are equipped with left bearing roller frame (7) and right bearing roller frame (8), its characterized in that respectively: the left end of the central buffer roller (1) is hinged with one end of a left buffer roller (2) through a left hinged frame (4), the other end of the left buffer roller (2) is hinged with one end of a left buffer rod (9) arranged on a left roller frame (7) in a penetrating way, the other end of the left buffer rod (9) is fixed on the left roller frame (7) through a left buffer spring (10), the right end of the central buffer roller (1) is hinged with one end of a right buffer roller (3) through a right hinged frame (5), the other end of the right buffer roller (3) is hinged with one end of a right buffer rod (12) arranged on a right roller frame (8) in a penetrating way, the other end of the right buffer rod (12) is fixed on the right roller frame (8) through a right buffer spring (13), a left supporting leg (14) is hinged on the lower part of the left hinged frame (4), and a right supporting leg (15) is hinged on the lower part of the right hinged frame (5), the left leg (14) and the right leg (15) are identical in structure and are symmetrically arranged with each other, and the left leg (14) and the right leg (15) are connected through a tension spring (16).

2. The impact idler as claimed in claim 1, wherein: left branch leg (14) and right branch leg (15) structure are the same, all include support (17), support (17) articulate in branch (18) middle part, branch (18) one end is equipped with gyro wheel (19), and the middle part of support (17) is connected through reset spring (20) to the other end.

3. The impact idler as claimed in claim 2, wherein: the rollers (19) move in sliding grooves arranged on the cross beam (6).

4. The impact idler as claimed in claim 1, wherein: the central buffer roller (1), the left buffer roller (2) and the right buffer roller (3) form circular arcs with the central buffer roller (1) drooping and the left buffer roller (2) and the right buffer roller (3) inclining upwards.

5. The impact idler as claimed in claim 1, wherein: and limiting plates (11) are arranged at the end parts of the left buffer rod (9) and the right buffer rod (12).