CN217712670U - Filling device for automatically sliding and retaining original gangue at large inclination angle in fully mechanized mining - Google Patents
Filling device for automatically sliding and retaining original gangue at large inclination angle in fully mechanized mining Download PDFInfo
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- CN217712670U CN217712670U CN202221876234.9U CN202221876234U CN217712670U CN 217712670 U CN217712670 U CN 217712670U CN 202221876234 U CN202221876234 U CN 202221876234U CN 217712670 U CN217712670 U CN 217712670U
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Abstract
The utility model provides a filling device for automatically sliding and adding waste rock blocking raw waste rock at a large inclination angle in fully mechanized mining, which belongs to the field of coal mining and comprises a fully mechanized mining support, wherein a base of the fully mechanized mining support is provided with a fixed baffle, the upper end of the fixed baffle is rotatably connected with a rotary waste rock blocking plate, one side of the fixed baffle is provided with a support column, the upper end of the support column is provided with a first power cylinder, a cylinder body of the first power cylinder is hinged with the support column, and the end part of a piston rod of the first power cylinder is hinged with the rotary waste rock blocking plate; the rear beam of the fully-mechanized mining support is provided with a horizontal slideway and a power cylinder II, the horizontal slideway is horizontally and slidably connected with a hanging chain, and the lower end of the hanging chain is connected with a gangue discharge chute; and a cylinder body of the second power cylinder is connected with the fully mechanized coal mining support, and a piston rod of the second power cylinder is connected with the gangue discharge chute. The beneficial effects of the utility model reside in that, it has not only left out tamping mechanism, still simple reliable, connect the top rate high.
Description
Technical Field
The utility model relates to a coal mining field, concretely relates to combine and adopt former waste rock of big inclination from swift current with filling device that keeps off waste rock.
Background
Along with the increase of the mining strength of coal mine resources, the residual coal resources are less and less, and the residual resources mainly comprise three-pressure coal under railways, buildings and water bodies, and the coal resources are required to be mined back in a filling mining mode. At present, the original waste filling process after the fully mechanized mining rack is a process with higher recovery efficiency of the overburden resources, and the process mainly comprises the steps of firstly transporting and unloading the waste through a bottom-dump scraper conveyor hung on a rear tail beam of the fully mechanized mining rack, then tamping the waste through a tamping mechanism, and filling the waste to a roof. However, when the inclination angle of the coal seam exceeds 30 degrees, namely when large-inclination coal mining and filling occur in the fully mechanized mining, gangue easily slides down rapidly in a filling roadway, namely a gangue flying accident easily occurs, so that the original gangue filling process after the fully mechanized mining frame cannot be implemented.
On one hand, the flying refuse can bury the machine body of the refuse chute hung on the tail beam of the fully mechanized mining support in the filling roadway, so that the refuse chute cannot work; on the other hand, flying waste rocks easily enter the space between the filling supports and the tamping mechanism, so that the safety of operators is threatened, and further coal mining and filling work cannot be continuously carried out.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem provide a simple reliable, connect the former cash of the big inclination of full mechanized mining that the roof rate is high from the swift current filling device that keeps off the cash to overcome the above-mentioned drawback that present former cash filling mining device exists in filling the technology behind the full mechanized mining frame.
In order to solve the technical problem, the utility model provides a technical scheme does: a filling device for automatically sliding and adding waste rock blocking for fully mechanized mining of large-inclination-angle raw waste rock comprises a fully mechanized mining support, wherein a base of the fully mechanized mining support is provided with a fixed baffle, the upper end of the fixed baffle is rotatably connected with a rotary waste rock blocking plate, one side of the fixed baffle is provided with a support column, the upper end of the support column is provided with a first power cylinder, a cylinder body of the first power cylinder is hinged with the support column, and the end part of a piston rod of the first power cylinder is hinged with the rotary waste rock blocking plate; the rear beam of the fully-mechanized mining support is provided with a horizontal slideway and a power cylinder II, the horizontal slideway is horizontally and slidably connected with a hanging chain, and the lower end of the hanging chain is connected with a gangue discharge chute; and a cylinder body of the power cylinder II is connected with the fully mechanized mining support, and a piston rod of the power cylinder II is connected with the gangue discharge chute. When the utility model is used for filling operation, after the waste rock in the corresponding area is filled to a certain height, namely when the waste rock is close to the bottom of the corresponding waste rock discharging chute, the waste rock discharging chute in the corresponding area is firstly pulled along the horizontal slideway to the direction close to the coal mining surface by the power cylinder II until the waste rock discharging chute is no longer positioned above the filled waste rock; and then the first power cylinder drives the rotary waste rock blocking plate to rotate towards the direction close to the waste rock until the rotary waste rock blocking plate is in a vertical state, and the filled waste rock is pushed to a position close to the top plate. And at the moment, the gangue dumping scraper-trough conveyer is positioned on one side of the rotary gangue blocking plate far away from the filled gangue, so that the machine body of the gangue dumping scraper-trough conveyer cannot be buried by the gangue close to the top plate. In addition, when the area corresponding to the next section of the gangue-discharging scraper-trough conveyer is filled, the filled gangue particles can be gradually stacked and lifted to the bottom of the gangue-discharging scraper-trough conveyer along with the increase of the discharge amount, and meanwhile, due to the large inclination angle, when the height of the gangue discharged by the next section of the gangue-discharging scraper-trough conveyer exceeds the height of the gangue on one side of the last section of the gangue-discharging scraper-trough conveyer, the gangue can slide onto the gangue corresponding to the last section of the gangue-discharging scraper-trough conveyer from the scraper-trough conveyer and continuously increase until the gangue is closer to the top plate, so that the compactness and the top contact rate of the gangue filled by the last section of the gangue-discharging scraper-trough conveyer are greatly improved.
Furthermore, the end part of a piston rod of the first power cylinder is hinged with the upper end of the rotary gangue blocking plate, and the driving force required by the first power cylinder to drive the rotary gangue blocking plate to rotate is the minimum.
Furthermore, the first power cylinder is an oil cylinder, and the first power cylinder and the rotary gangue blocking plate are controlled to perform corresponding actions by controlling oil pressure.
Furthermore, the first power cylinder is an air cylinder, and the first power cylinder and the rotary gangue blocking plate are controlled to perform corresponding actions by controlling air pressure.
Furthermore, the second power cylinder is an oil cylinder and controls the second power cylinder and the corresponding part on the gangue discharge chute to perform corresponding actions by controlling oil pressure.
Furthermore, the second power cylinder is an air cylinder and controls the second power cylinder and the corresponding part on the gangue discharge chute to perform corresponding actions by controlling air pressure.
Furthermore, a distance sensor is arranged on a back beam of the fully mechanized mining support, the height of the gangue filled in the goaf is measured in real time through the distance sensor, and when the height of the gangue filled in the goaf reaches a specified position, a signal is sent out in time to enable a control system to control a first power cylinder and a second power cylinder to perform corresponding actions.
According to the technical solution provided by the utility model, the utility model has the advantages of it is following: 1. compared with the existing filling device for the original waste rock behind the fully mechanized mining frame, the filling device for the automatically sliding and the retaining of the original waste rock with the large inclination angle for the fully mechanized mining omits a tamping mechanism and enables the corresponding filling process to omit the corresponding tamping procedure, therefore, the utility model has the advantages of simple and reliable process, less procedures, high mining efficiency and the like; 2. the utility model provides a filling device for fully mechanized mining large-inclination-angle raw gangue self-sliding and gangue stopping, which not only realizes filling under a large inclination angle, but also utilizes the characteristic of gangue self-sliding under a large-inclination-angle coal mining process, thereby greatly improving the roof contact rate and compactness; 3. when utilizing the utility model discloses when filling the operation, coal mining operation and filling operation mutual noninterference, but its simultaneous operation moreover.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a second schematic structural diagram according to an embodiment of the present invention.
Fig. 3 is a third schematic structural diagram of the embodiment of the present invention.
Fig. 4 is a fourth schematic structural diagram of the embodiment of the present invention.
In the figure: 1. the device comprises a fully mechanized mining support 2, supporting columns 3, a fixed baffle 4, a hanging chain 5, a horizontal slideway 6, a gangue discharge scraper-trough conveyer 7, a rotary gangue blocking plate 8, a first power cylinder 9 and a second power cylinder.
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 all belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a former cash of full mechanized large inclination adds filling device that keeps off cash from swift current, it includes fully mechanized support 1, the base of fully mechanized support 1 is provided with fixed stop 3, fixed stop 3's upper end is rotated and is connected with gyration waste rock blocking plate 7, one side of fixed stop 3 is provided with support column 2, the upper end of support column 2 is provided with power cylinder 8, the cylinder body of power cylinder 8 is articulated with support column 2, the tip of the piston rod of power cylinder 8 is articulated with gyration waste rock blocking plate 7's upper end. And the first power cylinder 8 can be an air cylinder or a hydraulic cylinder.
The rear beam of the fully mechanized mining support 1 is provided with a horizontal slide way 5, the sliding direction of the horizontal slide way 5 is the same as the coal mining direction, the horizontal slide way 5 is horizontally and slidably connected with a hanging chain 4, and the lower end of the hanging chain 4 is connected with a gangue discharge chute 6. In addition, the rear beam of the fully mechanized mining support 1 is also provided with a second power cylinder 9, and the second power cylinder 9 can be a cylinder or a hydraulic cylinder. The motion direction of a piston rod of the second power cylinder 9 is parallel to the sliding direction of the horizontal slideway 5, a cylinder body of the second power cylinder 9 is connected with the fully mechanized mining support 1, and a piston rod of the second power cylinder 9 is connected with the gangue discharging chute 6.
In addition, in order to realize automatic filling operation, a back beam of the fully mechanized coal mining support 1 is provided with a distance sensor, the distance sensor is in communication connection with a control system, and the control system can control the first power cylinder 8, the second power cylinder 9 and the gangue discharging scraper-trough conveyer 6 to perform corresponding actions.
Like this finishes when the coal face of big inclination coal mining, utilizes the utility model discloses when filling the operation, can follow the direction of the swift current head to the swift current tail of the waste rock discharging scraper-trough conveyer 6 that the comprehensive mining support 1 rear portion of coal face hung, along the waste rock discharging scraper-trough conveyer 6 of big inclination coal mining face bottommost portion promptly (first festival unloads the waste rock scraper-trough conveyer promptly) to the top (the nth festival unloads the waste rock scraper-trough conveyer) unload the direction of waste rock scraper-trough conveyer 6, loop through the corresponding hydraulic mechanism of control system control and will unload the intermediate lamella that corresponds on the waste rock scraper-trough conveyer 6 and pull back, make the waste rock that unloads on the waste rock scraper-trough conveyer 6 unload in the corresponding region in the collecting space area through the position after the intermediate lamella pulls back to accomplish the filling in the collecting space area.
Specifically, the utility model has the following working procedures:
1. as shown in fig. 1, after the middle plate of the first section of the gangue-discharging scraper-trough conveyer is pulled open, the filled gangue particles are discharged into the goaf through the pulled position of the middle plate, and are gradually stacked and lifted along with the increase of the discharge amount and are closer to the bottom of the first section of the gangue-discharging scraper-trough conveyer;
2. as shown in fig. 2, when the stacking position of the discharged gangue approaches the bottom of the first gangue-discharging chute, a distance sensor arranged on the fully-mechanized mining support 1 transmits a signal that the filled gangue reaches a specified height to a control system, and the control system controls a second power cylinder 9 to enable the first gangue-discharging chute connected to the hanging chain 4 to move towards the direction close to the coal mining surface along a horizontal slideway 5; in the process, the gangue discharging chute 6 is a bendable gangue discharging chute 6, so that the position of the second gangue discharging chute is basically not moved;
3. at the moment, as shown in fig. 3, a piston rod of a first power cylinder 8 corresponding to the first section of gangue-discharging scraper-trough conveyer extends out and pushes a rotary gangue blocking plate 7 to move towards the direction close to the filled gangue until the rotary gangue blocking plate is in a vertical state; in the process, the filled gangue is pushed up to the position in fig. 3 as the rotary gangue blocking plate 7 rotates and rises; that is, the charged gangue will be further close to the position of the roof; meanwhile, the first section of the gangue discharging chute is positioned outside the rotary gangue stopping plate 7, so that the machine body of the first section of the gangue discharging chute cannot be buried by gangue close to the top plate;
4. the middle plate of the second section of the gangue discharging scraper-trough conveyer is pulled open, and the filled gangue particles can be gradually stacked and lifted to the bottom of the second section of the gangue discharging scraper-trough conveyer along with the increase of the discharge amount; meanwhile, due to the large inclination angle of the coal mining surface, when the height of the gangue discharged by the second section of gangue-discharging chute exceeds the height of the gangue on the right side of the first section gangue-discharging chute in FIG. 3, the gangue discharged by the second section gangue-discharging chute slides onto the gangue on the right side of the first section gangue-discharging chute from the chute and is continuously increased to the position of the gangue in FIG. 4; in the process, the gangue filled at the right side of the first gangue discharging scraper-trough conveyer is closer to the position of the top plate, and the compactness and the top contact rate of the gangue filled at the right side of the first gangue discharging scraper-trough conveyer are greatly improved under the action of the gangue discharged from the second gangue discharging scraper-trough conveyer;
5. after the filling in the corresponding area on the right side of the second section of gangue-discharging scraper-trough conveyer is completed, the steps 2, 3 and 4 are repeated, and after the middle plate of the third section of gangue-discharging scraper-trough conveyer is pulled open, the procedures and the processes are implemented similarly, so that the gangue filled in the corresponding area on the right side of the second section of gangue-discharging scraper-trough conveyer is closer to the top plate, and the compactness and the top contact rate of the gangue filled in the right side of the second section of gangue-discharging scraper-trough conveyer are greatly improved.
6. And (5) repeating the step (5) until the filling of all the goafs from the chute head to the chute tail of the gangue discharging chute 6, namely from the first gangue discharging chute at the lowest part of the large inclination angle to the Nth gangue discharging chute at the uppermost part is completed.
The terms "first," "second," "third," "fourth," and the like (if any) in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A filling device for automatically sliding and adding waste rock blocking raw waste rock at a large inclination angle in fully mechanized mining is characterized by comprising a fully mechanized mining support, wherein a fixed baffle is arranged on a base of the fully mechanized mining support, a rotary waste rock blocking plate is rotatably connected to the upper end of the fixed baffle, a support column is arranged on one side of the fixed baffle, a first power cylinder is arranged at the upper end of the support column, a cylinder body of the first power cylinder is hinged with the support column, and the end part of a piston rod of the first power cylinder is hinged with the rotary waste rock blocking plate; the rear beam of the fully-mechanized mining support is provided with a horizontal slideway and a power cylinder II, the horizontal slideway is horizontally and slidably connected with a hanging chain, and the lower end of the hanging chain is connected with a gangue discharge chute; and a cylinder body of the second power cylinder is connected with the fully mechanized coal mining support, and a piston rod of the second power cylinder is connected with the gangue discharge chute.
2. The fully mechanized mining large-inclination raw gangue self-sliding gangue blocking filling device according to claim 1, wherein the end of a piston rod of the first power cylinder is hinged with the upper end of a rotary gangue blocking plate.
3. The filling device for automatically sliding and retaining the gangue for the fully mechanized mining large-inclination raw gangue according to claim 1 or 2, wherein one power cylinder is an oil cylinder.
4. The filling device for automatically sliding and retaining the gangue for the fully mechanized mining large-inclination raw gangue according to claim 1 or 2, wherein the first power cylinder is a cylinder.
5. The filling device for automatically sliding and retaining the gangue for the fully mechanized mining of the large-inclination-angle raw gangue according to claim 1, wherein the second power cylinder is an oil cylinder.
6. The filling device for automatically sliding and retaining the gangue for the fully mechanized mining large-inclination raw gangue according to claim 1, wherein the second power cylinder is a cylinder.
7. The filling device for automatically sliding and stopping the gangue for the fully mechanized mining of the large-inclination-angle raw gangue according to claim 1, wherein a distance sensor is arranged on a back beam of the fully mechanized mining support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221876234.9U CN217712670U (en) | 2022-07-12 | 2022-07-12 | Filling device for automatically sliding and retaining original gangue at large inclination angle in fully mechanized mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221876234.9U CN217712670U (en) | 2022-07-12 | 2022-07-12 | Filling device for automatically sliding and retaining original gangue at large inclination angle in fully mechanized mining |
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| Publication Number | Publication Date |
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| CN217712670U true CN217712670U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221876234.9U Active CN217712670U (en) | 2022-07-12 | 2022-07-12 | Filling device for automatically sliding and retaining original gangue at large inclination angle in fully mechanized mining |
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| CN (1) | CN217712670U (en) |
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- 2022-07-12 CN CN202221876234.9U patent/CN217712670U/en active Active
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