CN209761475U

CN209761475U - Coal mine tunneling and supporting device

Info

Publication number: CN209761475U
Application number: CN201920368158.2U
Authority: CN
Inventors: 刘昊鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2019-12-10
Anticipated expiration: 2029-03-22

Abstract

The utility model discloses a colliery tunnelling supporting device, including the colliery entry driving machine, the fixed position that is connected with bearing diagonal roof between the transmission screw cover piece, equidistant fixedly connected with gyro wheel supporting mechanism in surface at bearing diagonal roof top, the intermediate position fixedly connected with fixing bearing at colliery entry driving machine top, fixing bearing's inside axle center department rotates and is connected with the dust filter case, the intermediate position at colliery entry driving machine top and the left side fixedly connected with suction pump that is located the dust filter case, the left side terminal surface fixedly connected with inlet scoop of bearing diagonal roof, the one end intercommunication that the dust filter case was kept away from to the suction pump has dust absorption bellows, the utility model relates to a colliery technical field. This colliery tunnelling supporting device has reached the security when improving the colliery tunnelling, avoids machine and personnel to be damaged by the thing that drops, improves the tunnelling security, improves the visibility of tunnelling, avoids the dust to pile up in transmission machinery simultaneously, strengthens mechanical work transmission efficiency's purpose.

Description

Coal mine tunneling and supporting device

Technical Field

The utility model relates to a colliery technical field specifically is a colliery tunnelling supporting device.

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 seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal 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 encompass a large area above ground and below ground as well as associated facilities. Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others. Coal is the most predominant solid fuel, one of the flammable organic rocks. It is formed by that the flourishing plants grown in a certain geologic age are gradually piled up into a thick layer in a proper geologic environment, and are buried in the water bottom or silt, and then are subjected to the natural coalification action in a long geologic age.

At present, a coal mine excavator does not have protective capacity in the excavating process, coal cinder or rock blocks can fall from the top layer of a hole after excavation, the fallen coal cinder or rock blocks damage machinery and can also be accumulated on the surface of mechanical parts to influence forward excavation construction equipment, meanwhile, dust generated in the excavating process can reduce visibility, and the dust is accumulated on the surface of the machinery after static precipitation to obstruct normal transmission of the machinery.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a colliery tunnelling supporting device has solved present colliery excavator and has not possessed the protective capacities at the mining in-process, the hole top layer after the excavation can drop cinder or rock, the cinder that drops and rock damage machinery, also can pile up on the machine part surface, the equipment of tunnelling construction before the subtend leads to the fact the influence, the dust that the mining process produced simultaneously can reduce visibility, pile up on mechanical surface after the static sediment of dust, cause the problem of hindrance to the normal transmission of machinery.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a coal mine tunneling support device comprises a coal mine tunneling machine, wherein the left side and the right side of the top of the coal mine tunneling machine are respectively and rotatably connected with a transmission screw rod, the outer surface of the transmission screw rod is sleeved and connected with transmission thread sleeve blocks in a threaded manner, inclined supporting top plates are fixedly connected between the transmission thread sleeve blocks, the surface of the top of the inclined supporting top plate is fixedly connected with a roller supporting mechanism at equal intervals, the middle position of the top of the coal mine heading machine is fixedly connected with a fixed bearing, the inner axle center of the fixed bearing is rotationally connected with a dust filtering box, the middle position of the top of the coal mine heading machine and the left side of the dust filtering box are fixedly connected with an air suction pump, the right side of the air suction pump is communicated with the dust filtering box, the left end face of the inclined supporting top plate is fixedly connected with an air suction opening, one end of the air suction pump, which is far away from the dust filtering box, is communicated with a dust suction corrugated pipe, and one end of the dust suction corrugated pipe, which is far away from the dust filtering box, is communicated with an air suction opening;

The gyro wheel is strutted the mechanism and is including strutting the frame, strut the bottom and the bearing diagonal roof fixed surface of frame and be connected, strut the inside top of frame and run through and sliding connection has the transmission connecting rod, the transmission connecting rod is located and struts the outside top of frame and rotate and be connected with and strut the gyro wheel, the transmission connecting rod is located and struts the inside one end fixedly connected with extrusion inner panel of frame, the bottom of extrusion inner panel is through extrusion spring and the inside fixed connection of frame.

Preferably, the internal surface of straining the dirt case evenly is provided with the internal thread, strain the inside surface of dirt case and be located equal fixedly connected with buffer stop in the internal thread gap.

Preferably, the bottom end of the right side of the dust filtering box is communicated with a dust outlet.

Preferably, a filter screen is arranged in the middle of the right end of the dust filtering box.

Preferably, the top end of the coal mine heading machine and the position close to the transmission screw rod are fixedly connected with motors, and the output shafts of the motors are fixedly connected with driving rotating wheels.

preferably, the axle center department fixedly connected with driven runner of transmission lead screw near the below, driven runner passes through the belt and is connected with the transmission of initiative runner.

(III) advantageous effects

The utility model provides a colliery tunnelling supporting device. The method has the following beneficial effects:

(1) this colliery tunnelling supporting device, through the work of control motor, the motor drives the rotation of drive lead screw through the belt, the drive lead screw drives bearing diagonal roof rebound through transmission screw cover piece, until the top of strutting the gyro wheel contacts with the colliery top of digging, because the mine cave top is unsmooth inhomogeneous face, thereby extrusion spring drives through the drive connecting rod and struts the gyro wheel and support the point of different positions, when the colliery entry driving machine is tunneled forward, it rolls at the colliery cave top and trades the strong point to strut the gyro wheel, when dropping coal cinder or rock, will drop the thing scatter to both ends around the entry driving machine under the influence of bearing diagonal roof inclined plane, the security when having reached the improvement colliery tunnelling, avoid machine and personnel to be damaged by the thing that drops, improve the mesh of tunnelling security.

(2) this colliery tunnelling supporting device, through the work of induced-draft pump, thereby the air that contains the dust around the excavation hits inhales from the inlet scoop and strains the dirt incasement portion, the air that has the dust receives the fender of buffer baffle, thereby reduce the velocity of flow of air at straining the dirt incasement portion, thereby dust in the air is at straining the inside sediment of dirt incasement portion, internal thread and buffer baffle block the dust in the air simultaneously and continue to go forward, the dust is piled up in straining the inside of dirt case, because the internal thread is the heliciform at straining the dirt incasement portion, thereby strain the dirt case through the rotation, the dust is followed and is discharged from the outlet scoop, realize the clearance of dust, reach the visibility that improves the tunnelling, avoid the dust to pile up in drive machine simultaneously, reinforcing mechanical work transmission efficiency's purpose.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

Fig. 2 is a schematic structural view of the roller support mechanism of the present invention;

Fig. 3 is a schematic structural diagram of the inside of the dust filtering box of the present invention.

In the figure: the device comprises a coal mine heading machine 1, a transmission screw rod 2, a transmission thread sleeve block 3, an inclined support top plate 4, a roller support mechanism 5, a support outer frame 501, a transmission connecting rod 502, a support roller 503, an extrusion inner plate 504, an extrusion spring 505, a fixed bearing 6, a dust filtering box 7, an air suction pump 8, an air suction inlet 9, a dust suction corrugated pipe 10, an internal thread 11, a buffer baffle 12, a dust outlet 13, a filter screen 14, a motor 15, a driving rotating wheel 16, a driven rotating wheel 17 and a belt 18.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a coal mine tunneling supporting device comprises a coal mine tunneling machine 1, wherein the left side and the right side of the top of the coal mine tunneling machine 1 are rotatably connected with transmission screw rods 2, the outer surface of each transmission screw rod 2 is sleeved with and is in threaded connection with a transmission screw sleeve block 3, an inclined supporting roof 4 is fixedly connected between the transmission screw sleeve blocks 3, the surface of the top of each inclined supporting roof 4 is fixedly connected with a roller supporting mechanism 5 at equal intervals, a fixed bearing 6 is fixedly connected with the middle position of the top of the coal mine tunneling machine 1, a dust filtering box 7 is rotatably connected with the inner axis of the fixed bearing 6, an air suction pump 8 is fixedly connected with the middle position of the top of the coal mine tunneling machine 1 and is positioned at the left side of the dust filtering box 7, the right side of the air suction pump 8 is communicated with the dust filtering box 7, an air suction opening 9 is fixedly connected with the left end face of the inclined supporting roof, one end of the dust collection corrugated pipe 10 far away from the dust filtration box 7 is communicated with the air suction opening 9;

The roller support mechanism 5 comprises a support outer frame 501, the bottom end of the support outer frame 501 is fixedly connected with the surface of the inclined support top plate 4, the top end inside the support outer frame 501 is penetrated through and is connected with a transmission connecting rod 502 in a sliding mode, the top end, located outside the support outer frame 501, of the transmission connecting rod 502 is rotatably connected with a support roller 503, one end, located inside the support outer frame 501, of the transmission connecting rod 502 is fixedly connected with an extrusion inner plate 504, and the bottom end of the extrusion inner plate 504 is fixedly connected with the inside of the support outer frame 501 through. The internal surface of dust filtration case 7 evenly is provided with internal thread 11, and the internal surface of dust filtration case 7 and the equal fixedly connected with buffer stop 12 that is arranged in the gap of internal thread 11. The bottom end of the right side of the dust filtering box 7 is communicated with a dust outlet 13. A filter screen 14 is arranged in the middle of the right end of the dust filtering box 7. The top end of the coal mine heading machine 1 and the position close to the transmission screw rod 2 are fixedly connected with a motor 15, and an output shaft of the motor 15 is fixedly connected with a driving rotating wheel 16. The axle center of the transmission screw rod 2 close to the lower part is fixedly connected with a driven rotating wheel 17, and the driven rotating wheel 17 is in transmission connection with a driving rotating wheel 16 through a belt 18.

When the coal mine heading machine is used, the motor 15 is controlled to work, the motor 15 drives the transmission screw rod 2 to rotate through the belt 18, the transmission screw rod 2 drives the inclined support top plate 4 to move upwards through the transmission thread sleeve block 3 until the top of the support roller 503 is contacted with the top of a coal mine heading, the top of a mine tunnel is a concave-convex uneven surface, so that the extrusion spring 505 drives the support roller 503 to support points at different positions through the transmission connecting rod 502, when the coal mine heading machine 1 digs forwards, the support roller 503 rolls on the top of the coal mine tunnel to replace the support points, when coal blocks or rock blocks fall, the falling objects are scattered to the front end and the rear end of the heading machine under the influence of the inclined surface of the inclined support top plate 4, the safety during coal mine heading is improved, the machine and personnel are prevented from being damaged by the falling objects, the heading safety is improved, the air containing dust around the heading is sucked into the dust filtering box 7 through the air suction pump 8, the air that has the dust receives the fender of buffer baffle 12, thereby reduce the velocity of flow of air in the inside of dust filter box 7, thereby the dust in the air is at the inside sediment of dust filter box 7, internal thread 11 and buffer baffle 12 block the dust in the air simultaneously and continue to move ahead, the dust is piled up in the inside of dust filter box 7, because internal thread 11 is the heliciform in dust filter box 7 is inside, thereby through rotatory dust filter box 7, 7 discharge from dust outlet 13 is followed to the dust, realize the clearance of dust, the visibility that improves the tunnelling has been reached, avoid the dust to pile up in transmission machinery simultaneously, the mesh of reinforcing mechanical work transmission efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery tunnelling supporting device, includes colliery entry driving machine (1), its characterized in that: the left side and the right side of the top of the coal mine heading machine (1) are both rotatably connected with a transmission screw rod (2), the outer surface of the transmission screw rod (2) is sleeved with a transmission screw sleeve block (3) in a threaded connection manner, a position between the transmission screw sleeve blocks (3) is fixedly connected with an inclined supporting roof (4), the surface of the top of the inclined supporting roof (4) is fixedly connected with a roller supporting mechanism (5) at equal intervals, the middle position of the top of the coal mine heading machine (1) is fixedly connected with a fixed bearing (6), the inner axle center of the fixed bearing (6) is rotatably connected with a dust filtering box (7), the middle position of the top of the coal mine heading machine (1) is positioned at the left side of the dust filtering box (7) and is fixedly connected with an air suction pump (8), the right side of the air suction pump (8) is communicated with the dust filtering box (7), and the left side end face of the inclined supporting roof, one end of the air suction pump (8) far away from the dust filtering box (7) is communicated with a dust suction corrugated pipe (10), and one end of the dust suction corrugated pipe (10) far away from the dust filtering box (7) is communicated with an air suction opening (9);

Roller support mechanism (5) are including strutting frame (501), the bottom and the bearing diagonal roof (4) fixed surface connection of strutting frame (501), it runs through and sliding connection has drive connecting rod (502) to strut the inside top of frame (501), drive connecting rod (502) are located and strut the outside top of frame (501) and rotate and are connected with and strut gyro wheel (503), drive connecting rod (502) are located and strut the inside one end fixedly connected with extrusion inner panel (504) of frame (501), the bottom of extrusion inner panel (504) is through extrusion spring (505) and strut the inside fixed connection of frame (501).

2. A coal mine tunnelling support device as defined in claim 1, in which: the inside surface of straining dirt case (7) evenly is provided with internal thread (11), strain the inside surface of dirt case (7) and be located equal fixedly connected with buffer stop (12) in the gap of internal thread (11).

3. A coal mine tunnelling support device as defined in claim 2, in which: the bottom end of the right side of the dust filtering box (7) is communicated with a dust outlet (13).

4. A coal mine tunnelling support device as defined in claim 3, in which: a filter screen (14) is arranged in the middle of the right end of the dust filtering box (7).

5. A coal mine tunnelling support device as defined in claim 1, in which: the coal mine heading machine is characterized in that the top end of the coal mine heading machine (1) and the position close to the transmission screw rod (2) are fixedly connected with a motor (15), and an output shaft of the motor (15) is fixedly connected with a driving rotating wheel (16).

6. A coal mine tunnelling support device as defined in claim 5, in which: the transmission screw rod (2) is close to the axis of the lower part and is fixedly connected with a driven rotating wheel (17), and the driven rotating wheel (17) is in transmission connection with a driving rotating wheel (16) through a belt (18).