CN216272083U

CN216272083U - Remote control loading device

Info

Publication number: CN216272083U
Application number: CN202122518323.8U
Authority: CN
Inventors: 李华; 李莉林; 李刚; 刘海涛; 王永红; 刘正平; 董兴洪; 杜海军
Original assignee: Dabaoding Coal Mine Of Sichuan Chuanmei Huarong Energy Co ltd
Current assignee: Dabaoding Coal Mine Of Sichuan Chuanmei Huarong Energy Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-12
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a remote control loading device, belongs to the field of coal mining, and aims to improve loading efficiency and ensure safety of workers. The coal chute comprises a coal chute mouth arranged at the lower opening of the coal bunker, wherein a coal chute opening communicated with the cavity is formed at the bottom of the coal chute mouth, and a sealing cover for sealing the coal chute opening is arranged; the sealing cover is U-shaped and comprises a bottom cover plate and side plates at two sides; the end walls of the coal sliding nozzle are respectively fixed with coaxial shaft heads, the sealing cover is sleeved on the coal sliding nozzle, and the side plates of the coal sliding nozzle are movably arranged on the corresponding shaft heads; a hydraulic cylinder is arranged between the sealing cover and the coal sliding nozzle, the cylinder body of the hydraulic cylinder is hinged on the end wall of the coal sliding nozzle, and the outer end of the piston rod is hinged on a side plate of the sealing cover; and is provided with a liquid supply system forming a hydraulic circuit for the hydraulic cylinder. The sealing cover is pushed to rotate around the shaft head arranged on the end wall of the coal chute nozzle through the hydraulic cylinder to open or close the coal chute nozzle, so that the opening and closing efficiency of the coal chute nozzle is improved, the rapid loading is realized, the personnel investment is reduced, the labor intensity is reduced, and the use is safe and reliable.

Description

Remote control loading device

Technical Field

The utility model belongs to the field of coal mining, and particularly relates to a remote control car loading device.

Background

In the coal mine production, the transportation of raw coal in the mine production is almost transferred through a coal bunker, a loading device is arranged between a lower port of the coal bunker and a special mine car for the coal mine, and the coal in the coal bunker is guided into the special mine car for the coal mine through the loading device. Traditional loading device is swift current coal mouth, swift current coal mouth includes the left side wall, the right side wall and the end wall at both ends around, by the left side wall, the open cavity in top is surrounded to the end wall at both ends around with to the right side wall, the uncovered connection in the coal bunker end opening in top of swift current coal mouth, be provided with swift current coal mouth in the bottom of swift current coal mouth, be provided with the seal closure that is used for the shutoff to swift current coal mouth in swift current coal mouth department, the movable lid of seal closure is located and is slided coal mouth and go out, along with the removal of seal closure, can open swift current coal mouth, and be provided with the handle that promotes the seal closure and open. In-process in the raw coal loads into the mine car through swift current coal mouth, pushes away the handle through the manual work and presses the swift current coal mouth open, however, this kind of manual work mode of opening leads to the loading inefficiency, the big problem of workman's operation safety risk.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a remote control loading device, which improves the loading efficiency and ensures the safety of workers.

The technical scheme adopted by the utility model is as follows: the remote control car loading device comprises a coal sliding nozzle arranged at the lower opening of a coal bunker, wherein the coal sliding nozzle comprises a left side wall, a right side wall and end walls at the front end and the rear end, and a cavity with an open top is formed by the left side wall, the right side wall and the end walls at the front end and the rear end in an enclosing manner; a coal sliding port communicated with the cavity is formed at the bottoms of the left side wall, the right side wall and the end wall, and a sealing cover used for sealing the coal sliding port is arranged; the sealing cover is U-shaped and comprises a bottom cover plate and side plates at two sides; the end walls of the coal sliding nozzle are respectively fixed with coaxial shaft heads, the sealing cover is sleeved on the coal sliding nozzle, and side plates of the sealing cover are arranged on the corresponding shaft heads and are rotationally connected with the shaft heads along the axial direction of the shaft heads; a hydraulic cylinder is arranged between the sealing cover and the coal sliding nozzle, the cylinder body of the hydraulic cylinder is hinged to the end wall of the coal sliding nozzle, and the outer end of the piston rod is hinged to a side plate of the sealing cover; and is provided with a liquid supply system forming a hydraulic circuit for the hydraulic cylinder.

Furthermore, the left side wall of the coal sliding nozzle is arc-shaped, and the axis of the coal sliding nozzle is superposed with the axis of the shaft head; the bottom cover plate of the sealing cover is arc-shaped, and the axis of the bottom cover plate is superposed with the axis of the shaft head; the inner surface of the bottom cover plate of the sealing cover is in annular movable fit with the outer surface of the left side wall of the coal sliding nozzle.

Further, along the circumferential direction of the left side wall of the coal sliding nozzle, the left side wall of the coal sliding nozzle comprises a main body section and a guide section close to the coal sliding opening; the inner surface of the bottom cover plate of the sealing cover is in movable fit with the outer surface of the guide section along the annular direction.

Further, along the radial direction of the left side wall of the coal sliding nozzle, the body section is positioned on the inner side of the guide section.

Furthermore, supporting plates are arranged on two sides of the guide section, are positioned between the end wall of the coal sliding nozzle and the corresponding side plate, radially extend to the shaft head along the guide section, and are connected to the shaft head.

Furthermore, the right side wall of the coal sliding nozzle vertically comprises a connecting section which is vertically arranged and a coal sliding section of which the bottom end is arranged downwards and obliquely rightwards; the bottom end of the coal sliding section radially protrudes out of the bottom cover plate along the bottom cover plate of the sealing cover.

Furthermore, the liquid supply system comprises a water inlet pipeline for inputting static pressure water into the hydraulic cylinder, a drainage pipeline for discharging waste water in the hydraulic cylinder and a manual control valve which is arranged between the water inlet pipeline and the drainage pipeline and is used for controlling a liquid path.

Furthermore, the liquid supply system comprises a mine underground sump for providing static pressure water, and the inlet end of the water inlet pipeline is connected with the mine underground sump.

Further, the liquid supply system includes a downhole drainage ditch, and the outlet end of the drainage pipeline extends to the downhole drainage ditch.

Furthermore, the device also comprises an avoiding concrete chamber, and the manual control valve is arranged in the avoiding concrete chamber.

The utility model has the beneficial effects that: according to the remote control loading device disclosed by the utility model, the hydraulic cylinder replaces manual operation to push the sealing cover to rotate around the shaft head arranged on the end wall of the coal chute mouth to open or close the coal chute mouth, so that the opening or closing efficiency of the coal chute mouth is improved, the rapid loading is realized, the personnel investment is reduced, the labor cost is saved, the labor intensity is reduced, and the use is safe and reliable.

Drawings

FIG. 1 is a front view of a coal chute according to the present invention;

FIG. 2 is a right side view of the coal chute;

FIG. 3 is a front view of the coal chute opening of the present invention.

In the figure, a coal bunker 1, a coal sliding nozzle 2, a left side wall 2A, a body section 2A1, a guide section 2A2, a support plate 2A3, a right side wall 2B, a connecting section 2B1, a coal sliding section 2B2, an end wall 2C, a coal sliding opening 2D, a sealing cover 2E, a bottom cover plate 2E1, a side plate 2E2, a shaft head 2F, a hydraulic cylinder 3, a liquid supply system 4, a water inlet pipeline 4A, a water discharge pipeline 4B, a manual control valve 4C, a mine underground water bunker 4D and an underground drainage ditch 4E.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

the remote control loading device comprises a coal sliding nozzle 2 installed at the lower opening of a coal bunker 1, wherein the coal sliding nozzle 2 comprises a left side wall 2A, a right side wall 2B and end walls 2C at the front end and the rear end, a cavity with an open top is formed by the left side wall 2A, the right side wall 2B and the end walls 2C at the front end and the rear end in a surrounding mode, a coal sliding opening 2D communicated with the cavity is formed in the bottom of the left side wall 2A, the right side wall 2B and the end walls 2C, the cavity is used for coal from the coal bunker 1 to pass through, and the coal sliding opening 2D is used for discharging coal to a mine car special for a coal mine, so that an approximately closed channel is formed between the lower opening of the coal bunker 1 and the mine car, and the problems of dust raising and the like can be avoided. Coal sliding port 2D is formed by the bottom of left lateral wall 2A, right lateral wall 2B and end wall 2C for coal sliding port 2D sets up in the bottom of coal sliding nozzle 2, more does benefit to the coal and falls under the dead weight effect. When the mine car is sufficiently loaded with coal, the coal sliding port 2D needs to be closed to prevent the coal from continuously falling, so that a sealing cover 2E for sealing the coal sliding port 2D is arranged, and the sealing cover 2E is U-shaped and comprises a bottom cover plate 2E1 and side plates 2E2 on two sides; the end wall 2C of the coal sliding nozzle 2 is respectively fixed with a coaxial shaft head 2F, a sealing cover 2E is sleeved on the coal sliding nozzle 2, and a side plate 2E2 of the sealing cover is arranged on the corresponding shaft head 2F and is rotationally connected with the shaft head 2F along the axial direction of the shaft head 2F. When the sealing cover 2E covers the coal chute opening 2D, the coal chute opening 2D is just closed, and when the sealing cover 2E is axially pushed around the shaft head 2F, the sealing cover 2E rotates around the shaft head 2F to expose the coal chute opening 2D. In the prior art, the sealing cover 2E is manually pushed to be opened or closed, the time required for manually pushing the sealing cover 2E is long, unnecessary time waste of manual operation is added, the loading efficiency is low, in addition, the personnel need to be close to the coal sliding nozzle 2 in the manual operation, no matter coal dust is raised or factors of surrounding equipment, potential safety hazards are generated to workers, in order to avoid the problem, the hydraulic cylinder 3 is arranged between the sealing cover 2E and the coal sliding nozzle 2, the cylinder body of the hydraulic cylinder 3 is hinged to the end wall 2C of the coal sliding nozzle 2, and the outer end of the piston rod is hinged to a side plate 2E2 of the sealing cover 2E; and is provided with a liquid supply system 4 forming a hydraulic circuit for the hydraulic cylinder 3. The hydraulic cylinder 3 acts by means of liquid pressure, liquid is injected into a liquid injection port of a cylinder cavity of the hydraulic cylinder 3, a piston rod is pushed to extend out, the cylinder body of the hydraulic cylinder 3 is hinged to the end wall 2C of the coal sliding nozzle 2, the outer end of the piston rod is hinged to a side plate 2E2 of the sealing cover 2E, and when the hydraulic cylinder 3 extends out, the sealing cover 2E is forced to rotate around the shaft head 2F, and the coal sliding nozzle 2D is opened. After liquid in the cylinder body cavity of the hydraulic cylinder 3 flows back from the liquid return port, the piston rod retracts to drive the sealing cover 2E to rotate around the shaft head 2F to reset, and the coal sliding port 2D is closed. The hydraulic cylinder 3 replaces manual operation, the hydraulic cylinder 3 is more agile in reaction and simple in operation, can be put into use at any time, and improves the 2D opening or closing efficiency of the coal chute opening, so that rapid loading is realized, the personnel investment is reduced, the labor cost is saved, the labor intensity is reduced, and the use is safe and reliable.

The outer side of the left side wall 2A of the coal sliding nozzle 2 needs to have enough space for the sealing cover 2E to move, so as to avoid interference between the coal sliding nozzle 2 and the sealing cover 2E. If the left side wall 2A of the coal sliding nozzle 2 is set to be an inclined plane which inclines downwards and rightwards, in the utility model, the left side wall 2A of the coal sliding nozzle 2 is arc-shaped, and the axis of the left side wall 2A is coincided with the axis of the shaft head 2F; the bottom cover plate 2E1 of the sealing cover 2E is arc-shaped, and the axis of the bottom cover plate coincides with the axis of the shaft head 2F; the inner surface of the bottom cover plate 2E1 of the sealing cover 2E is movably matched with the outer surface of the left side wall 2A of the coal chute 2 along the circumferential direction. In the structure, the left side wall 2A and the bottom cover plate 2E1 are of concentric circular arc structures, the inner cavity volume of the coal sliding nozzle 2 is larger, and the left side wall 2A plays a role in guiding the bottom cover plate 2E 1.

The left side wall 2A of the coal chute 2 can be of an integral structure, and most preferably, the left side wall 2A of the coal chute 2 comprises a body section 2A1 and a guide section 2A2 adjacent to the coal chute 2D in the circumferential direction of the left side wall 2A of the coal chute 2; the inner surface of the bottom cover plate 2E1 of the flap 2E is in circumferential movable engagement with the outer surface of the guide section 2a 2. The body section 2A1 is located inside the guide section 2A2 in the radial direction of the left side wall 2A of the coal chute 2. Because the sealing cover 2E has friction between the inner surface of the bottom cover plate 2E1 and the outer surface of the guide section 2A2 in the opening and closing process, the guide section 2A2 and the body section 2A1 are arranged in a split manner, so that after long-term use, only the guide section 2A2 needs to be replaced, and later-stage overhaul and maintenance of the coal chute 2 are facilitated. The guide section 2a2 is located radially outside the body section 2a1, so as to effectively avoid friction between the bottom cover plate 2E1 of the sealing cover 2E and the body section 2a 1.

The guide section 2a2 can be welded or otherwise fixed to the body section 2a1, but in order to facilitate disassembly after wear, etc., it is preferable that the guide section 2a2 is provided on both sides with support plates 2A3, and the support plates 2A3 are located between the end wall 2C of the coal chute 2 and the corresponding side plate 2E2, extend radially along the guide section 2a2 to the stub shafts 2F, and are connected to the stub shafts 2F.

In order to guide the coal to fall, the right side wall 2B of the coal sliding nozzle 2 vertically comprises a connecting section 2B1 which is vertically arranged and a coal sliding section 2B2 of which the bottom end is arranged downwards and rightwards in an inclined mode, after the coal falls from the lower opening of the coal bunker 1, the coal directly falls to the coal sliding section 2B2 of the right side wall 2B, and the coal sliding section 2B2 is arranged in an inclined mode, and the coal is guided into a mine car below. The bottom end of the coal chute section 2B2 protrudes radially outside the bottom cover plate 2E1 along the bottom cover plate 2E1 of the sealing cover 2E.

The liquid supply system 4 comprises a water inlet pipeline 4A for inputting static water into the hydraulic cylinder 3, a water discharge pipeline 4B for discharging waste water in the hydraulic cylinder 3 and a manual control valve 4C which is arranged between the water inlet pipeline 4A and the water discharge pipeline 4B and is used for controlling a liquid path. Wherein, the outlet end of the water inlet pipeline 4A is communicated with the liquid injection port of the liquid cylinder 3, liquid such as static water and the like is injected into the liquid cylinder 3, the piston rod is pushed to extend out, and the liquid cylinder 3 extends; the drainage pipeline 4B is communicated with a liquid return port of the hydraulic cylinder 3, and waste water and the like in the hydraulic cylinder 3 are output through the drainage pipeline 4B. The manual control valve 4C is used for controlling the opening or closing of the water inlet pipeline 4A and the water outlet pipeline 4B so as to control the operation of the hydraulic cylinder 3.

A special liquid tank may be provided as a liquid supply source, but in order to make reasonable use of the existing resources of the mine, it is preferable that the liquid supply system 4 includes a mine downhole sump 4D for supplying static pressure water, and the inlet end of the water inlet pipe 4A is connected to the mine downhole sump 4D.

To avoid waste water pollution, it is preferred that the liquid supply system 4 comprises a downhole drain 4E, and that the outlet end of the drain pipe 4B extends to the downhole drain 4E.

In order to avoid that an operator approaches the coal sliding nozzle 2 and further improve the safety, the coal sliding nozzle further comprises an avoiding concrete chamber, and the manual control valve 4C is installed in the avoiding concrete chamber.

Claims

1. The remote control car loading device comprises a coal sliding nozzle (2) arranged at the lower opening of a coal bunker (1), wherein the coal sliding nozzle (2) comprises a left side wall (2A), a right side wall (2B) and end walls (2C) at the front end and the rear end, and a cavity with an open top is formed by the left side wall (2A), the right side wall (2B) and the end walls (2C) at the front end and the rear end in a surrounding manner; a coal sliding port (2D) communicated with the cavity is formed at the bottom of the left side wall (2A), the right side wall (2B) and the end wall (2C), and a sealing cover (2E) used for sealing the coal sliding port (2D) is arranged; the method is characterized in that: the sealing cover (2E) is U-shaped and comprises a bottom cover plate (2E1) and side plates (2E2) at two sides; coaxial shaft heads (2F) are respectively fixed on end walls (2C) of the coal sliding nozzle (2), a sealing cover (2E) is sleeved on the coal sliding nozzle (2), and side plates (2E2) of the coal sliding nozzle are installed on the corresponding shaft heads (2F) and are rotationally connected with the shaft heads (2F) along the axial direction of the shaft heads (2F); a hydraulic cylinder (3) is arranged between the sealing cover (2E) and the coal sliding nozzle (2), the cylinder body of the hydraulic cylinder (3) is hinged to the end wall (2C) of the coal sliding nozzle (2), and the outer end of the piston rod is hinged to a side plate (2E2) of the sealing cover (2E); and is provided with a liquid supply system (4) forming a hydraulic circuit for the hydraulic cylinder (3).

2. The remote control loading device according to claim 1, wherein: the left side wall (2A) of the coal sliding nozzle (2) is arc-shaped, and the axis of the coal sliding nozzle coincides with the axis of the shaft head (2F); the bottom cover plate (2E1) of the sealing cover (2E) is arc-shaped, and the axis of the bottom cover plate coincides with the axis of the shaft head (2F); the inner surface of a bottom cover plate (2E1) of the sealing cover (2E) is in annular movable fit with the outer surface of the left side wall (2A) of the coal chute nozzle (2).

3. The remote control loading device according to claim 2, wherein: along the circumferential direction of the left side wall (2A) of the coal chute (2), the left side wall (2A) of the coal chute (2) comprises a body section (2A1) and a guide section (2A2) adjacent to the coal chute (2D); the inner surface of the bottom cover plate (2E1) of the sealing cover (2E) is in movable fit with the outer surface of the guide section (2A2) along the circumferential direction.

4. The remote control loading device according to claim 3, wherein: the body section (2A1) is located inside the guide section (2A2) in the radial direction of the left side wall (2A) of the coal chute (2).

5. The remote control loading device according to claim 4, wherein: two sides of the guide section (2A2) are provided with support plates (2A3), and the support plates (2A3) are positioned between the end wall (2C) of the coal sliding nozzle (2) and the corresponding side plate (2E2), radially extend to the shaft head (2F) along the guide section (2A2) and are connected to the shaft head (2F).

6. The remote-control loading device according to any one of claims 1 to 5, wherein: the right side wall (2B) of the coal sliding nozzle (2) vertically comprises a connecting section (2B1) which is vertically arranged and a coal sliding section (2B2) the bottom end of which is downwards and rightwards obliquely arranged; the bottom end of the coal sliding section (2B2) protrudes out of the bottom cover plate (2E1) along the radial direction of the bottom cover plate (2E1) of the sealing cover (2E).

7. The remote-control loading device according to any one of claims 1 to 5, wherein: the liquid supply system (4) comprises a water inlet pipeline (4A) for inputting static water into the hydraulic cylinder (3), a water discharge pipeline (4B) for discharging waste water in the hydraulic cylinder (3) and a manual control valve (4C) which is arranged between the water inlet pipeline (4A) and the water discharge pipeline (4B) and is used for controlling a liquid path.

8. The remote control loading device according to claim 7, wherein: the liquid supply system (4) comprises a mine underground sump (4D) for providing static pressure water, and the inlet end of the water inlet pipeline (4A) is connected to the mine underground sump (4D).

9. The remote control loading device according to claim 8, wherein: the liquid supply system (4) comprises an underground drainage ditch (4E), and the outlet end of the drainage pipeline (4B) extends to the underground drainage ditch (4E).

10. The remote control loading device according to claim 9, wherein: the concrete shelter also comprises a concrete shelter chamber, and the manual control valve (4C) is arranged in the concrete shelter chamber.