CN111453355A

CN111453355A - Belt conveyor that coal mining adopted

Info

Publication number: CN111453355A
Application number: CN202010408283.9A
Authority: CN
Inventors: 申斌学; 朱磊; 宋立平; 李超; 孙俊彦; 高涵; 陈伟; 成小雨
Original assignee: China Coal Energy Research Institute Co Ltd
Current assignee: China Coal Energy Research Institute Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-07-28

Abstract

The invention discloses a belt conveying device for coal mining, which comprises side guard plates and a belt, wherein the belt is arranged between the side guard plates, a group of fixed seats are symmetrically arranged at the top of the side guard plates along the conveying direction of the belt, a moving seat is arranged between the fixed seats above the belt, a blanking hopper is arranged at the central position of the top of the moving seat and penetrates through the moving seat, fixed shafts are uniformly distributed at the positions, close to the top, of the side parts of the moving seat, gears are rotatably sleeved on the fixed shafts, racks are fixedly arranged at the tops of the fixed seats, one of the fixed shafts is connected with an extension shaft, a bearing sleeve is sleeved on the extension shaft, the circumferential surface of the bearing sleeve is fixedly connected with an arc-section positioning body close to the top, arc-section teeth are arranged in the arc-section positioning body, a reset spring is sleeved on the extension shaft between the bearing sleeve and a shaft cap, the side part of the shaft cap is hinged with a swing handle, and the middle part of the swing handle is connected with the bearing sleeve through a connecting rod. The invention has the advantages that: prevent the belt off tracking, extension belt life and be convenient for adjust blanking point position.

Description

Belt conveyor that coal mining adopted

Technical Field

The invention belongs to the technical field of coal mine conveying, and particularly relates to a belt conveying device for coal mining.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal bed is far away from the ground surface, a tunnel is excavated to the underground to mine coal, which is a mineworker coal mine; when the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines; coal mines span a large area including above ground, below ground and related facilities; coal mines are reasonable spaces excavated by humans when excavating geological layers rich in coal, and generally comprise roadways, wells, excavation surfaces and the like; coal is the most predominant solid fuel, one of the flammable organic rocks; the method is characterized in that luxuriant plants growing in a certain geological age are gradually stacked into a thick layer in a proper geological environment, buried in water bottom or silt and subjected to natural coalification in a long geological age, and a conveying device is required in the coal mining process; the existing conveying device has unstable blanking points, and because the belt is stressed unevenly, the belt can be deviated, and accidents can happen seriously; in addition, the material directly falls on the belt, and the material collides with the belt under the action of inertia and self gravity, so that the belt is damaged to a certain extent, and the service life of the belt is shortened. Therefore, it is important to solve the above problems.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides the belt conveying device for coal mining, which can prevent the belt from deviating, prolong the service life of the belt and facilitate the adjustment of the position of a blanking point.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a belt conveying device for coal mining comprises side guard plates and a belt, wherein a group of side guard plates are symmetrically arranged, the belt is arranged between the side guard plates, a group of fixing seats are symmetrically arranged at the top of each side guard plate along the conveying direction of the belt, a moving seat is arranged between the fixing seats above the belt, a blanking hopper is arranged at the central position of the top of the moving seat and penetrates through the moving seat, a bearing is arranged between the blanking hopper and the contact surface of the moving seat, a T-shaped groove is arranged on the fixing seat between the contact surfaces of the moving seat and the fixing seats, the T-shaped groove extends along the conveying direction of the belt, a T-shaped block is arranged on the moving seat between the contact surfaces of the moving seat and the fixing seats, the T-shaped block is arranged in the T-shaped groove, and a fixing shaft is uniformly distributed at the position, close to the, the fixed shaft is provided with a gear in a rotating sleeved mode, the gear is meshed with a rack, the rack is fixedly mounted at the top of the fixed seat, one of the gear is connected with an extension shaft, the end portion of the extension shaft is provided with a shaft cap, a bearing sleeve is sleeved on the extension shaft, the circumferential surface of the bearing sleeve is close to a top position fixedly connected arc section positioning body, arc section teeth are arranged in the arc section positioning body, the arc section teeth can be meshed with the gear, a reset spring is sleeved on the extension shaft between the bearing sleeve and the shaft cap, the side portion of the shaft cap is hinged with a swing handle, the middle portion of the swing handle is connected with the bearing sleeve, and the swing handle can drive the bearing sleeve to slide on the extension shaft through rotation.

A further improvement of the invention is that the fixed shaft and the extension shaft are integrally formed.

A further improvement of the invention is that the diameter of the shaft cap is greater than the diameter of the extension shaft.

A further development of the invention is that the mobile seat is n-shaped.

The invention is further improved in that key grooves are uniformly distributed on the extension shaft between the pressure bearing sleeve and the contact surface of the extension shaft, parallel keys are uniformly distributed on the pressure bearing sleeve between the pressure bearing sleeve and the contact surface of the extension shaft, and the parallel keys are arranged in the key grooves.

The invention is further improved in that the middle part of the swing handle is connected with the pressure bearing sleeve through a connecting rod.

Compared with the prior art, the invention has at least the following beneficial technical effects:

according to the belt conveying device for coal mining provided by the invention, materials are firstly put into the blanking hopper, and fall at the central position in the width direction of the belt through the blanking hopper, so that the belt can be prevented from deviating, and the materials can be prevented from directly contacting the belt, and the service life of the belt can be prolonged; in addition, the position of the blanking point on the side guard plate can be adjusted through the movable seat.

Drawings

FIG. 1 is a schematic front view of a belt conveyor for coal mining applications in accordance with the present invention;

FIG. 2 is a front view schematically showing the structure of a belt conveyor for coal mining according to the present invention, in which a pressure-receiving sleeve is fitted over an extension shaft;

FIG. 3 is a schematic left side view of a belt conveyor assembly for use in coal mining applications in accordance with the present invention;

FIG. 4 is an enlarged view of the belt conveyor of FIG. 1 in the direction A of a coal mine;

FIG. 5 is an enlarged view of the belt conveyor of FIG. 2 in the direction B;

fig. 6 is an enlarged view of the belt conveyor for coal mining according to the present invention shown in fig. 3.

Description of reference numerals:

1. the novel belt conveyor comprises a side guard plate, 2. a belt, 3. a fixed seat, 4. a movable seat, 5. a blanking hopper, 6. a bearing, 7. a T-shaped groove, 8. a T-shaped block, 9. a fixed shaft, 10. a gear, 11. a rack, 12. an extending shaft, 13. a shaft cap, 14. a bearing sleeve, 15. a key groove, 16. a parallel key, 17. an arc section positioning body, 18. an arc section tooth, 19. a reset spring, 20. a swing handle and 21. a connecting rod.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in figures 1 to 6, the belt conveying device for coal mining provided by the invention comprises side guard plates 1 and a belt 2, wherein the side guard plates 1 are symmetrically provided with a group of the side guard plates 1, the belt 2 is arranged between the side guard plates 1, the top of the side guard plates 1 is symmetrically provided with a group of fixed seats 3 along the conveying direction of the belt 2, a movable seat 4 is arranged between the fixed seats 3 above the belt 2, the movable seat 4 is n-shaped, a blanking hopper 5 is arranged at the center of the top of the movable seat 4, the blanking hopper 5 penetrates through the movable seat 4, a bearing 6 is arranged between the contact surfaces of the blanking hopper 5 and the movable seat 4, a T-shaped groove 7 is arranged on the fixed seat 3 between the contact surfaces of the movable seat 4 and the fixed seats 3, the T-shaped blocks 8 are arranged in the T-shaped groove 7, fixed shafts 9 are uniformly distributed at the positions of the side parts of the movable seat 4, which are close to the top, the gear 10 is rotatably sleeved on each fixed shaft 9, the gear 10 is meshed with the rack 11, the rack 11 is fixedly installed at the top of each fixed seat 3, one fixed shaft 9 is connected with an extension shaft 12, a shaft cap 13 is arranged at the end part of the extension shaft 12, a pressure bearing sleeve 14 is sleeved on the extension shaft 12, key grooves 15 are uniformly distributed on the extension shaft 12 between the contact surfaces of the pressure bearing sleeve 14 and the extension shaft 12, parallel keys 16 are uniformly distributed on the pressure bearing sleeve 14 between the contact surfaces of the pressure bearing sleeve 14 and the extension shaft 12, the parallel keys 16 are arranged in the key grooves 15, a cambered section positioning body is fixedly connected at the position, close to the top, of the circumferential surface of the pressure bearing sleeve 14, cambered section teeth 18 are arranged in the cambered section positioning body, the cambered section teeth 18 can be meshed with the gear 10, a return spring 19 is sleeved on the extension shaft 12 between the pressure bearing sleeve 14 and the shaft cap 13, the side part of the shaft cap 13 is hinged with a swing handle 20, the bearing sleeve 14 can be driven to slide on the extension shaft 12 by rotating the swing handle 20.

The fixed shaft 9 and the extension shaft 12 are integrally formed.

The diameter of the shaft cap 13 is larger than the diameter of the extension shaft 12.

During operation, materials are firstly put into the blanking hopper 5, fall into the center of the belt 2 in the width direction through the blanking hopper 5, and are finally conveyed and collected by the belt 2; when the position of the blanking hopper 5 needs to be adjusted, the swinging handle 20 is pulled to enable the swinging handle 20 to be superposed with the axis of the shaft cap 13, the swinging handle 20 can drive the connecting rod 21, the connecting rod 21 drives the pressure bearing sleeve 14, the pressure bearing sleeve 14 drives the arc-section positioning body while sliding on the extension shaft 12, the arc-section teeth 18 are not meshed with the gear 10, the gear 10 can roll on the rack 11, and at the moment, the moving seat 4 is pushed; when the position of the blanking hopper 5 needs to be fixed, the swing handle 20 is pulled to enable the swing handle 20 to be perpendicular to the axis of the shaft cap 13, the pressure bearing sleeve 14 automatically returns under the action of the return spring 19, so that the arc-segment teeth 18 are meshed with the gear 10, the gear 10 cannot roll on the rack 11, and at the moment, the movable seat 4 cannot move.

The present invention is not described in detail in the prior art.

Claims

1. The belt conveying device for coal mining is characterized by comprising side guard plates (1) and a belt (2), wherein the side guard plates (1) are symmetrically provided with a group of side guard plates, the belt (2) is installed between the side guard plates (1), the tops of the side guard plates (1) are symmetrically provided with a group of fixing seats (3) along the conveying direction of the belt (2), a moving seat (4) is arranged between the fixing seats (3) above the belt (2), a blanking hopper (5) is installed at the center of the top of the moving seat (4), the blanking hopper (5) penetrates through the moving seat (4), a bearing (6) is arranged between the blanking hopper (5) and the contact surface of the moving seat (4), a T-shaped groove (7) is arranged on the fixing seat (3) between the moving seat (4) and the contact surface of the fixing seat (3), and the T-shaped groove (7) extends along the conveying direction of the belt (2), the movable seat (4) and the fixed seat (3) between the contact surfaces are provided with T-shaped blocks (8) on the movable seat (4), the T-shaped blocks (8) are arranged in the T-shaped grooves (7), the side parts of the movable seat (4) are uniformly distributed with fixed shafts (9) near the top, the fixed shafts (9) are all rotatably sleeved with gears (10), the gears (10) are meshed with racks (11), the racks (11) are fixedly installed at the top of the fixed seat (3), one of the fixed shafts (9) is connected with an extension shaft (12), the end part of the extension shaft (12) is provided with a shaft cap (13), the extension shaft (12) is sleeved with a pressure bearing sleeve (14), the circumferential surface of the pressure bearing sleeve (14) is near the top and fixedly connected with an arc section positioning body, the arc section positioning body is internally provided with arc section teeth (18), and the arc section teeth (18) can be meshed with the gears (10), bear press cover (14) with between axle cap (13) extend and be equipped with reset spring (19) on axle (12), the articulated swing handle (20) of axle cap (13) lateral part, the middle part of swing handle (20) with bear and press cover (14) to be connected, through rotating swing handle (20) can drive bear and press cover (14) and slide on extending axle (12).

2. A belt conveyor for coal mining applications according to claim 1 wherein the stationary shaft (9) and the extension shaft (12) are integrally formed.

3. A belt conveyor for coal mining applications according to claim 1 wherein the diameter of the axle cap (13) is greater than the diameter of the extension axle (12).

4. A belt conveyor for coal mining according to claim 1, characterized in that the mobile seat (4) is n-shaped.

5. A belt conveyor for coal mining according to claim 1, characterized in that key grooves (15) are uniformly distributed on the extension shaft (12) between the contact surfaces of the pressure-bearing sleeve (14) and the extension shaft (12), parallel keys (16) are uniformly distributed on the pressure-bearing sleeve (14) between the contact surfaces of the pressure-bearing sleeve (14) and the extension shaft (12), and the parallel keys (16) are placed in the key grooves (15).

6. A belt conveyor for coal mining according to claim 1, wherein the swing handle (20) is connected to the pressure-bearing sleeve (14) at a middle portion thereof by a link (21).