CN212075109U

CN212075109U - Coal discharging device

Info

Publication number: CN212075109U
Application number: CN202020730450.7U
Authority: CN
Inventors: 刘勇; 付建新; 乔建德
Original assignee: Shanxi Xinlufan Mining Equipment Manufacturing Co ltd
Current assignee: Shanxi Xinlufan Mining Equipment Manufacturing Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-12-04
Anticipated expiration: 2030-05-07

Abstract

The utility model provides a coal discharging device, which comprises a gate arranged at the outlet end of a coal discharging nozzle and a driving mechanism arranged on the cylinder wall of the coal discharging nozzle, wherein the top end of the gate is hinged with the cylinder wall, and the outlet end is sealed by the gate; the driving end of the driving mechanism is hinged with the outer side of the gate, the fixed end of the driving mechanism is hinged with the cylinder wall, and the driving mechanism is used for pushing the gate outwards to open and pushing the gate inwards to close. The coal discharging nozzle of the utility model has the advantages that the gate is opened without being influenced by the resistance; when the gate is closed, the material is extruded along the same trend, the material is prevented from flowing out, the coal flow is cut off, the smoothness of operation is increased, and the operation blockage phenomenon is avoided.

Description

Coal discharging device

Technical Field

The utility model relates to a coal production technical field, in particular to coal caving device.

Background

All need design in the coal production and put the coal mouth, put the coal mouth and have vertically entry end and the exit end of slope, and entry end and exit end have the discrepancy in elevation, are provided with the gate on putting the coal mouth, are used for the coal caving after the gate is opened. At present, the gate device commonly used by the coal discharging nozzle comprises a gate and a driving mechanism, the gate is arranged at the outlet end of the coal discharging nozzle, and the two ends of the driving mechanism are respectively connected to the wall of the gate and the wall of the coal discharging nozzle and used for driving the gate. The existing common gate adopts a fan-shaped turning plate, a driving mechanism is arranged into two hydraulic oil cylinders and is positioned on two sides of the gate, and the two driving oil cylinders push the gate to rotate to open and close. However, the gate is obliquely extruded by materials, and the resistance force has the problem of unsmooth opening and closing.

SUMMERY OF THE UTILITY MODEL

For solving the problem that the coal discharging nozzle exists in the prior art, the utility model provides a coal discharging device.

The technical scheme of the utility model is realized like this:

a coal discharging device comprises a gate arranged at the outlet end of a coal discharging nozzle and a driving mechanism arranged on the cylinder wall of the coal discharging nozzle, wherein the top end of the gate is hinged with the cylinder wall, and the gate seals the outlet end; the driving end of the driving mechanism is hinged with the outer side of the gate, the fixed end of the driving mechanism is hinged with the cylinder wall, and the driving mechanism is used for pushing the gate outwards to open and pushing the gate inwards to close.

Preferably, the gate has a plate-like structure.

Preferably, the drive mechanism is one.

Preferably, the outer side of the top end of the gate is provided with a connecting lug plate, the corresponding joint of the outer side of the cylinder wall is provided with a hinged lug plate, and the connecting lug plate is connected with the hinged lug plate through a pin shaft.

Preferably, the driving mechanism comprises a hydraulic pump, a hydraulic oil cylinder and two hydraulic limit valves, wherein the fixed end of the hydraulic oil cylinder is hinged with the outer side of the cylinder wall, and the driving end of the hydraulic oil cylinder is hinged with the outer side of the gate; two oil inlets of the hydraulic oil cylinder are respectively connected with oil inlets of the hydraulic limiting valves through pipelines, and oil return ports of the two hydraulic limiting valves are communicated with an oil tank of the hydraulic pump; and the two bypass pipelines are respectively communicated with the two oil outlet pipelines of the hydraulic pump.

Preferably, the wall of the coal discharge nozzle comprises: the upper barrel wall, the bottom side wall and the two side walls are provided with flange edges at two sides and the rear side of the upper barrel wall; the outer side of the top end of the bottom side wall is provided with a flange outer edge, the flange outer edge is detachably connected with the flange edge on the rear side of the upper cylinder wall, and the flange outer edge inclines downwards along the front side of the upper cylinder wall; two connecting sides of each side wall are respectively provided with a flange side edge, the flange side edge of one connecting side is detachably connected with the flange edge of one side of the upper cylinder wall, and the flange side edge of the other connecting side is detachably connected with one side of the bottom side wall; the gate is hinged to the front side of the upper cylinder wall and vertically abutted against the bottom side wall for plugging the outlet end.

Preferably, a connecting flange is arranged on the front side of the upper cylinder wall, and the fixed end of the driving mechanism is hinged to the connecting flange.

Preferably, the outer ends of the tops of the two side walls are provided with limit plates, and the gate is pushed away to be propped against the inner sides of the limit plates.

The utility model has the advantages that: the gate of the coal discharging nozzle of the utility model is hinged with the cylinder wall and is pushed outwards by the driving mechanism to be opened, the action of the materials in the coal discharging nozzle is outward, and the gate is opened without being influenced by the resistance; when the gate is closed, the material is extruded along the same trend, the material is prevented from flowing out, the coal flow is cut off, the smoothness of operation is increased, and the operation blockage phenomenon is avoided. The gate and the hinged member of section of thick bamboo wall are located the section of thick bamboo wall outside completely, avoid receiving the wearing and tearing of section of thick bamboo inslot material, increase gate articulated security.

In addition, the cylinder wall of the coal discharging nozzle is of a detachable structure, so that the mounting weight of the coal discharging nozzle can be reduced, and the coal discharging nozzle is suitable for transportation and mounting in a narrow underground environment; the most easily worn bottom side wall and the side wall can be independently replaced, and the maintenance cost expenditure is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view showing an opened state of a gate of a coal discharging device according to the present invention;

fig. 2 is a schematic view of a closed state of a gate of the coal discharging device of the present invention.

In the figure:

1. a gate; 2. a drive mechanism; 3. a cylinder wall; 4. connecting the ear plates; 5. hinging the ear plate; 6. a connecting flange; 7. a limiting plate; 31. an upper cylinder wall; 32. a bottom sidewall; 33. side walls are arranged; 34. a flange edge; 35. a flange outer edge; 36. and the flange is arranged at the side edge.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1: as shown in fig. 1 and 2, the coal discharging device comprises a gate 1 arranged at the outlet end of a coal discharging nozzle and a driving mechanism 2 arranged on the cylinder wall of the coal discharging nozzle, wherein the top end of the gate 1 is hinged with the cylinder wall, and the gate blocks the outlet end; the driving end of the driving mechanism is hinged with the outer side of the gate, the fixed end of the driving mechanism is hinged with the cylinder wall, and the driving mechanism 2 is used for pushing the gate 1 outwards to be opened and pushing the gate inwards to be closed. When the outlet end of the coal discharging nozzle is opened by the driving mechanism 2, the action of the materials in the coal discharging nozzle is outward, and the gate is opened without being influenced by resistance; when the gate is closed, the material is extruded along the same direction, so that the material is prevented from flowing out, the coal flow is stopped, and the smoothness of operation is improved.

On the basis of embodiment 1, the gate is provided with a flat structure, so that the gate is more convenient to open and close. The gate may be provided in other shapes.

On the basis of embodiment 1, the driving mechanism is set to be one, and compared with a common coal discharge nozzle driving mechanism, the number of the driving mechanisms is reduced, so that the equipment cost can be saved, and meanwhile, the occupied space is avoided. The number of the driving mechanisms can also be two, and is determined according to the actual use requirement. The driving mechanism can be set to be hydraulically driven or pneumatically driven, and is diversified.

On the basis of the embodiment 1, the driving mechanism comprises a hydraulic pump, a hydraulic oil cylinder and two hydraulic limiting valves, wherein the fixed end of the hydraulic oil cylinder is hinged with the outer side of the cylinder wall, and the driving end of the hydraulic oil cylinder is hinged with the outer side of the gate; two oil inlets of the hydraulic oil cylinder are respectively connected with oil inlets of the hydraulic limiting valves through pipelines, and oil return ports of the two hydraulic limiting valves are communicated with an oil tank of the hydraulic pump; and the two bypass pipelines are respectively communicated with the two oil outlet pipelines of the hydraulic pump. The hydraulic limiting valve has a limiting effect, a travel switch is avoided, an auxiliary circuit system is omitted, and the hydraulic limiting valve is more suitable for an underground coal mine explosion-proof environment.

Example 2: on the basis of embodiment 1, the outside at the top end of the gate 1 is provided with a connecting lug plate 4, the corresponding joint part outside the cylinder wall 3 is provided with a hinged lug plate 5, and the connecting lug plate 4 is connected with the hinged lug plate 5 through a pin shaft 6. The gate is installed in the outside of section of thick bamboo wall, and the round pin axle can not pass section of thick bamboo wall inner wall, avoids producing wearing and tearing because of the material, and then avoids the danger that the round pin axle drops, increases the security performance of production in the pit.

Example 3: the cylinder wall 3 of the coal discharge nozzle comprises: the upper barrel wall 31, the bottom side wall 32 and the two upper side walls 33, wherein flange edges 34 are arranged on two sides and the rear side of the upper barrel wall 31; the outer side of the top end of the bottom side wall 32 is provided with a flange outer edge 35 which is detachably connected with the flange edge at the rear side of the upper cylinder wall and inclines downwards along the front side of the upper cylinder wall; two connecting sides of each side wall 33 are respectively provided with a flange side edge 36, wherein the flange side edge of one connecting side is detachably connected with the flange edge of one side of the upper barrel wall, and the flange side edge of the other connecting side is detachably connected with one side of the bottom side wall; the gate is hinged to the front side of the upper cylinder wall 31 and vertically abutted against the bottom side wall for plugging the outlet end. Two upper side walls 33 are arranged obliquely between the upper cylinder wall and the bottom side wall. The cylinder wall of the coal discharging nozzle is of a detachable structure, so that the mounting weight of the coal discharging nozzle is reduced, and the coal discharging nozzle is suitable for transportation and mounting in a narrow underground environment; and the single part can be replaced singly, thereby reducing the maintenance cost.

On the basis of embodiment 3, a connecting flange 6 is arranged at the front side of the cylinder wall 3, and the fixed end of the driving mechanism 2 is hinged with the connecting flange 6. Limiting plates 7 are arranged at the tops of the two side walls, the driving mechanism pushes the gate outwards and then pushes the gate to the limiting plates, and the limiting plates and the gate simultaneously form top side walls of the coal discharge nozzle.

Embodiment 3 referring to embodiment 1, a hinge lug 5 is provided at the front side of the upper cylinder wall, and a connection lug 4 at the top end of the shutter is connected to the hinge lug 5 at the front side of the upper cylinder wall by a pin.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A coal discharging device comprises a gate arranged at the outlet end of a coal discharging nozzle and a driving mechanism arranged on the cylinder wall of the coal discharging nozzle, and is characterized in that the top end of the gate is hinged with the cylinder wall, and the gate seals the outlet end; the driving end of the driving mechanism is hinged with the outer side of the gate, the fixed end of the driving mechanism is hinged with the cylinder wall, and the driving mechanism is used for pushing the gate outwards to open and pushing the gate inwards to close.

2. The coal discharging device according to claim 1, wherein the gate has a plate-like structure.

3. The coal discharging device according to claim 1, wherein said driving mechanism is one.

4. The coal caving device of claim 1, wherein the outside of the top end of the gate is provided with a connecting lug plate, the corresponding joint of the outside of the cylinder wall is provided with a hinge lug plate, and the connecting lug plate is connected with the hinge lug plate through a pin shaft.

5. The coal caving device of claim 1, wherein the driving mechanism comprises a hydraulic pump, a hydraulic oil cylinder and two hydraulic limit valves, wherein the fixed end of the hydraulic oil cylinder is hinged with the outer side of the cylinder wall, and the driving end of the hydraulic oil cylinder is hinged with the outer side of the gate; two oil inlets of the hydraulic oil cylinder are respectively connected with oil inlets of the hydraulic limiting valves through pipelines, and oil return ports of the two hydraulic limiting valves are communicated with an oil tank of the hydraulic pump; and the two bypass pipelines are respectively communicated with the two oil outlet pipelines of the hydraulic pump.

6. The coal discharge apparatus of claim 1, wherein the cartridge wall of the coal discharge nozzle comprises: the upper barrel wall, the bottom side wall and the two side walls are provided with flange edges at two sides and the rear side of the upper barrel wall; the outer side of the top end of the bottom side wall is provided with a flange outer edge, the flange outer edge is detachably connected with the flange edge on the rear side of the upper cylinder wall, and the flange outer edge inclines downwards along the front side of the upper cylinder wall; two connecting sides of each side wall are respectively provided with a flange side edge, the flange side edge of one connecting side is detachably connected with the flange edge of one side of the upper cylinder wall, and the flange side edge of the other connecting side is detachably connected with one side of the bottom side wall; the gate is hinged to the front side of the upper cylinder wall and vertically abutted against the bottom side wall for plugging the outlet end.

7. The coal discharging device as claimed in claim 6, wherein a connecting flange is provided at the front side of the upper cylinder wall, and the fixed end of the driving mechanism is hinged with the connecting flange.

8. The coal discharging device as claimed in claim 6, wherein a limiting plate is arranged at the outer end of the top of the two side walls, and the gate is pushed away to be against the inner side of the limiting plate.