CN220302180U - Coal mine filling system for refilling after roof cutting - Google Patents
Coal mine filling system for refilling after roof cutting Download PDFInfo
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- CN220302180U CN220302180U CN202321647428.6U CN202321647428U CN220302180U CN 220302180 U CN220302180 U CN 220302180U CN 202321647428 U CN202321647428 U CN 202321647428U CN 220302180 U CN220302180 U CN 220302180U
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- 239000003245 coal Substances 0.000 title claims abstract description 60
- 238000005065 mining Methods 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model discloses a coal mine filling system for refilling after roof cutting, which comprises a fully-mechanized coal mining frame arranged in a roadway, wherein a telescopic mechanism is arranged on one side, far away from a coal pillar, of the fully-mechanized coal mining frame, a plurality of supporting components are arranged in the roadway on one side, far away from the fully-mechanized coal mining frame, of the telescopic mechanism, the supporting components are detachably connected with a top plate and a bottom plate of the roadway, filling materials are poured at the positions, where the supporting components are arranged, of the roadway, and the telescopic mechanism is used for enabling the filling materials to be positioned in a filling area, where the supporting components are arranged. According to the fully-mechanized coal mining device, when the fully-mechanized coal mining device is used for mining, the fully-mechanized coal mining device can be used for mining and filling simultaneously.
Description
Technical Field
The utility model relates to the technical field of coal mine filling, in particular to a coal mine filling system for refilling after roof cutting.
Background
Along with the continuous increase of the mining years of the coal mine, coal resources of a plurality of mines are reduced, particularly the coal mine built by nineties, and the residual coal resources mainly comprise limited resources such as three down-pressed protection coal pillars and the like.
The resources of the part can be exploited scientifically and safely by filling exploitation technology; along with the improvement of the filling technology process level, the filling and mining technology is gradually improved, so that the coal mining efficiency is improved, various existing filling and mining technologies at present comprise various technologies of pumping and filling after a fully-mechanized mining frame, raw gangue filling after the fully-mechanized mining frame and the like, the filling is needed to be carried out firstly, and when the filled materials reach the strength, the mining and the filling cannot be carried out synchronously, and the mining efficiency is severely restricted.
Disclosure of Invention
The utility model aims to provide a coal mine filling system for refilling after roof cutting, which solves the problems in the prior art.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a coal mine filling system for refilling after roof cutting, which comprises a fully-mechanized coal mining frame arranged in a roadway, wherein a telescopic mechanism is arranged on one side, far away from a coal pillar, of the fully-mechanized coal mining frame, a plurality of supporting components are arranged in the roadway on one side, far away from the fully-mechanized coal mining frame, of the telescopic mechanism, the supporting components are detachably connected with a top plate and a bottom plate of the roadway, filling materials are poured in the roadway at the positions where the supporting components are arranged, and the telescopic mechanism is used for enabling the filling materials to be positioned in a filling area where the supporting components are arranged;
the supporting component comprises an upper supporting plate and a lower supporting plate, the top surface of the upper supporting plate is in butt joint with the top plate, the lower supporting plate is in butt joint with the bottom plate, one side, deviating from the top plate, of the upper supporting plate is detachably connected with a first threaded rod, one side, deviating from the bottom plate, of the lower supporting plate is detachably connected with a second threaded rod, and the first threaded rod and the second threaded rod are in threaded connection with a sleeve.
Preferably, the telescopic mechanism comprises a first telescopic component and a second telescopic component, the first telescopic component and the second telescopic component are fixedly connected with the fully-mechanized mining frame, and the first telescopic component and the second telescopic component are connected through a first rotating shaft.
Preferably, the first telescopic assembly comprises a plurality of first hydraulic cylinders, the fixed ends of the first hydraulic cylinders are fixedly connected with the fully mechanized mining frames, the telescopic ends of the first hydraulic cylinders are fixedly connected with fixed baffles, the bottom surfaces of the fixed baffles are in butt joint with the bottom plate, and one faces, deviating from the bottom plate, of the fixed baffles are fixedly connected with the first rotating shaft.
Preferably, the first telescopic assembly comprises a plurality of supports, a second hydraulic cylinder is arranged on each support, the fixed end of each second hydraulic cylinder is fixedly connected with each support, the telescopic end of each second hydraulic cylinder is rotationally connected with a connecting rod through a second rotating shaft, each connecting rod is deviated from one end fixedly connected with a movable baffle plate of the corresponding second rotating shaft, the top surface of each movable baffle plate is abutted to the top plate, and one surface of each movable baffle plate deviating from the top plate is fixedly connected with the corresponding first rotating shaft.
Preferably, the support is disposed at an end of the first hydraulic cylinder facing away from the fixed baffle.
Preferably, the centers of the upper supporting plate and the lower supporting plate are provided with a plurality of second through holes, the upper supporting plate is symmetrically provided with first through holes, and the first through holes are arranged on two sides of the second through holes.
Preferably, a plurality of threaded holes are formed in one end of the first threaded rod and one end of the second threaded rod, bolts are arranged in the threaded holes, the threaded holes correspond to the second through holes one by one, and the upper support plate and the lower support plate are detachably connected with the first threaded rod and the second threaded rod respectively through bolts.
Preferably, a constant-resistance large-deformation anchor rod is arranged in the first through hole, and one end of the constant-resistance large-deformation anchor rod, which extends into the first through hole, penetrates through the top plate and extends into the upper portion of the top plate.
The utility model discloses the following technical effects:
according to the fully-mechanized coal mining equipment, the parts of the telescopic mechanism and the supporting component are arranged on the fully-mechanized coal mining frame of the original fully-mechanized coal mining equipment, when the fully-mechanized coal mining equipment is used for mining coal pillars, after the fully-mechanized coal mining equipment is advanced for a certain distance, a worker assembles the supporting component to support a filling area, and then the telescopic mechanism is used for enclosing the filling area, so that the filling area is filled with filling materials, when the fully-mechanized coal mining equipment is continuously advanced for mining, the telescopic mechanism stretches out the telescopic end, and the enclosing for the filling materials is continuously carried out, so that the fully-mechanized coal mining equipment can be used for mining and filling simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a support assembly according to the present utility model;
FIG. 3 is a schematic top view of the upper support plate of the present utility model;
FIG. 4 is a schematic view showing the bottom structure of the lower support plate of the present utility model;
1, a fully-mechanized mining frame; 2. a first hydraulic cylinder; 3. a support; 4. constant-resistance large-deformation anchor rod; 5. a coal pillar; 6. a top plate; 7. a bottom plate; 21. a fixed baffle; 31. a second hydraulic cylinder; 32. a connecting rod; 33. a movable baffle; 41. a sleeve; 42. a first threaded rod; 43. a second threaded rod; 44. an upper support plate; 45. a lower support plate; 46. a first through hole; 47. and a second through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-4, the utility model discloses a coal mine filling system for refilling after roof cutting, which comprises a fully-mechanized coal mining frame 1 arranged in a roadway, wherein a telescopic mechanism is arranged on one side of the fully-mechanized coal mining frame 1 away from a coal pillar 5, a plurality of supporting components are arranged in the roadway on one side of the telescopic mechanism away from the fully-mechanized coal mining frame 1, the supporting components are detachably connected with a top plate 6 and a bottom plate 7 of the roadway, filling materials are poured in the roadway at the positions where the supporting components are arranged, and the telescopic mechanism is used for enabling the filling materials to be positioned in a filling area where the supporting components are arranged; the supporting component comprises an upper supporting plate 44 and a lower supporting plate 45, the top surface of the upper supporting plate 44 is abutted against the top plate 6, the lower supporting plate 45 is abutted against the bottom plate 7, a first threaded rod 42 is detachably connected to one side, deviating from the top plate 6, of the upper supporting plate 44, a second threaded rod 43 is detachably connected to one side, deviating from the bottom plate 7, of the lower supporting plate 45, and the first threaded rod 42 and the second threaded rod 43 are both in threaded connection with a sleeve 41.
According to the fully-mechanized coal mining equipment, the telescopic mechanism and the parts of the supporting component are arranged on the fully-mechanized coal mining frame 1 of the original fully-mechanized coal mining equipment, when the fully-mechanized coal mining equipment is used for mining coal pillars, after the fully-mechanized coal mining equipment is advanced for a certain distance, a worker assembles the supporting component to support a filling area, then the telescopic mechanism is used for enclosing the filling area, so that the filling area is filled with filling materials, when the fully-mechanized coal mining equipment is continuously advanced for mining, the telescopic mechanism stretches the telescopic end, and the enclosing is continuously carried out for the filling materials, so that the fully-mechanized coal mining equipment can be used for mining and filling simultaneously.
Further optimizing scheme, telescopic machanism includes first flexible subassembly and the flexible subassembly of second, and first flexible subassembly, the flexible subassembly of second all with combine and adopt 1 fixed connection, rotate through first pivot between first flexible subassembly and the flexible subassembly of second and be connected.
Further optimizing scheme, first flexible subassembly includes a plurality of first pneumatic cylinder 2, and the stiff end and the comprehensive frame 1 fixed connection of adopting of first pneumatic cylinder 2, the flexible end fixedly connected with fixed baffle 21 of first pneumatic cylinder 2, the bottom surface and the bottom plate 7 butt of fixed baffle 21, the one side and the first pivot fixed connection of fixed baffle 21 deviating from bottom plate 7. The telescopic end of the first hydraulic cylinder 2 drives the fixed baffle 21 to move, so that the fixed baffle 21 can enclose the filling area, and the filling material is convenient to solidify in the filling area.
Further optimizing scheme, first flexible subassembly includes a plurality of support 3, is provided with second pneumatic cylinder 31 on the support 3, and the stiff end and the support 3 fixed connection of second pneumatic cylinder 31, the flexible end of second pneumatic cylinder 31 is rotated through the second pivot and is connected with connecting rod 32, and connecting rod 32 deviates from the one end fixedly connected with adjustable fender 33 of second pivot, the top surface and the roof 6 butt of adjustable fender 33, the one side and the first pivot fixed connection of adjustable fender 33 deviating from roof 6. The angle of the movable baffle 33 is adjusted to enable the movable baffle 33 to be located below the top of the fully-mechanized mining equipment, the fully-mechanized mining equipment pours filling materials into a filling area through the movable baffle 33, after pouring is completed, the movable end of the second hydraulic cylinder 31 extends out, the movable baffle 33 and the fixed baffle 21 are in the same plane, when the fully-mechanized mining equipment continues to advance and mine, the first hydraulic cylinder 2 and the second hydraulic cylinder 31 synchronously adjust the extending length of the telescopic end along with the advancing distance of the fully-mechanized mining equipment, the fixed baffle 21 and the movable baffle 33 are always located at the same position, the filling materials can be effectively enclosed, and after the filling materials are solidified, the telescopic ends of the first hydraulic cylinder 2 and the second hydraulic cylinder 31 are retracted.
In a further development, the support 3 is arranged at the end of the first hydraulic cylinder 2 facing away from the fixed stop 21.
In order to facilitate assembly of the support assembly in the roadway, the centers of the upper support plate 44 and the lower support plate 45 are provided with a plurality of second through holes 47, the upper support plate 44 is symmetrically provided with first through holes 46, and the first through holes 46 are arranged on two sides of the second through holes 47.
Further optimizing scheme, a plurality of screw holes have all been seted up to the one end of first threaded rod 42, second threaded rod 43, and threaded hole is provided with the bolt, and screw hole and second through-hole 47 one-to-one, go up backup pad 44, lower backup pad 45 and pass through the bolt respectively with first threaded rod 42, second threaded rod 43 can dismantle the connection. The bolt passes second through-hole 47 and carries out threaded connection with the screw hole, install on the upper support plate 44 with first threaded rod 42, install on the lower support plate 45 with second threaded rod 43, install sleeve 41 again on first threaded rod 42, second threaded rod 43, after the equipment, stand up the supporting component, make upper support plate 44 be in the below of roof 6, lower support plate 45 and bottom plate 7 butt, simultaneously in order to be convenient for rotate sleeve 41, a plurality of locating hole has been seted up at sleeve 41's circumference symmetry, can dismantle in the locating hole and be connected with the locating lever, one end that deviates from the locating hole through promoting the locating lever, can rotate sleeve 41 with less strength, make first threaded rod 42 and second threaded rod 43 stretch out sleeve 41 simultaneously through rotating sleeve 41, drive upper support plate 44 and rise, after upper support plate 44 closely laminates with roof 6, the connecting rod is lifted down.
Further optimizing scheme is provided with the big deformation stock 4 of constant resistance in the first through-hole 46, and the one end that the big deformation stock 4 of constant resistance stretches into first through-hole 46 runs through roof 6 and stretches into the top of roof 6. The constant-resistance large-deformation anchor rod 4 is installed in the first through hole 46, so that the constant-resistance large-deformation anchor rod 4 can effectively position the upper supporting plate 44, and meanwhile, upward tension is generated on the upper supporting plate 44, so that the upper supporting plate 44 can effectively support the top plate 6.
The working process comprises the following steps: after the fully mechanized coal mining equipment advances for a certain distance, the worker assembles the supporting component in the filling area, after the supporting component is assembled, the first threaded rod 42 and the second threaded rod 43 extend out of the sleeve 41 through the rotating sleeve 41 to drive the upper supporting plate 44 to ascend, the upper supporting plate 44 is tightly attached to the top plate 6, the constant-resistance large-deformation anchor rod 4 is installed in the first through hole 46, the constant-resistance large-deformation anchor rod 4 can effectively position the upper supporting plate 44, meanwhile, upward tension is generated on the upper supporting plate 44, the upper supporting plate 44 can effectively support the top plate 6, the first hydraulic cylinder 2 is started to enable the fixed baffle 21 to be abutted with the lower supporting plate 45, the second hydraulic cylinder 31 is started to adjust the angle of the movable baffle 33, the movable baffle 33 is arranged below the top of the fully-mechanized mining equipment, the fully-mechanized mining equipment pours filling materials into a filling area through the movable baffle 33, after pouring is completed, the movable end of the second hydraulic cylinder 31 extends out, the movable baffle 33 and the fixed baffle 21 are arranged in the same plane, the movable baffle 33 is abutted with the upper supporting plate 44, when the fully-mechanized mining equipment continues to advance, the lengths of the extending ends of the first hydraulic cylinder 2 and the second hydraulic cylinder 31, which extend along with the advancing distance of the fully-mechanized mining equipment, are synchronously adjusted, the fixed baffle 21 and the movable baffle 33 are always arranged at the same position, the filling materials can be effectively enclosed, and after the filling materials are solidified, the extending ends of the first hydraulic cylinder 2 and the second hydraulic cylinder 31 are retracted, and the operation is repeated for the next filling area.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. A roof-cutting post-refill coal mine filling system, comprising: the fully-mechanized coal mining system comprises a fully-mechanized coal mining frame (1) arranged in a roadway, wherein a telescopic mechanism is arranged on one side, far away from a coal pillar (5), of the fully-mechanized coal mining frame (1), a plurality of supporting components are arranged in the roadway on one side, far away from the fully-mechanized coal mining frame (1), of the telescopic mechanism, the supporting components are detachably connected with a top plate (6) and a bottom plate (7) of the roadway, filling materials are poured in the roadway at the positions where the supporting components are arranged, and the telescopic mechanism is used for enabling the filling materials to be in a filling area where the supporting components are arranged;
the supporting component comprises an upper supporting plate (44) and a lower supporting plate (45), the top surface of the upper supporting plate (44) is in butt joint with the top plate (6), the lower supporting plate (45) is in butt joint with the bottom plate (7), one side, deviating from the top plate (6), of the upper supporting plate (44) is detachably connected with a first threaded rod (42), one side, deviating from the bottom plate (7), of the lower supporting plate (45) is detachably connected with a second threaded rod (43), and the first threaded rod (42) and the second threaded rod (43) are in threaded connection with a sleeve (41).
2. The roof-cutting post-refill coal mine filling system of claim 1, wherein: the telescopic mechanism comprises a first telescopic component and a second telescopic component, the first telescopic component and the second telescopic component are fixedly connected with the fully-mechanized mining frame (1), and the first telescopic component and the second telescopic component are connected through a first rotating shaft.
3. The roof-cutting post-refill coal mine filling system of claim 2, wherein: the first telescopic assembly comprises a plurality of first hydraulic cylinders (2), the fixed ends of the first hydraulic cylinders (2) are fixedly connected with the fully-mechanized mining frame (1), the telescopic ends of the first hydraulic cylinders (2) are fixedly connected with fixed baffles (21), the bottom surfaces of the fixed baffles (21) are in butt joint with the bottom plate (7), and the fixed baffles (21) deviate from one surface of the bottom plate (7) to be fixedly connected with a first rotating shaft.
4. A roof-cutting post-refill coal mine filling system according to claim 3, wherein: the first telescopic assembly comprises a plurality of supports (3), a second hydraulic cylinder (31) is arranged on each support (3), the fixed end of each second hydraulic cylinder (31) is fixedly connected with each support (3), the telescopic end of each second hydraulic cylinder (31) is rotationally connected with a connecting rod (32) through a second rotating shaft, the connecting rods (32) deviate from one end fixedly connected with movable baffle plates (33) of the second rotating shaft, the top surfaces of the movable baffle plates (33) are in butt joint with the top plates (6), and the movable baffle plates (33) deviate from one surface of the top plates (6) and are fixedly connected with the first rotating shaft.
5. The roof-cutting post-refill coal mine filling system of claim 4, wherein: the support (3) is arranged at one end of the first hydraulic cylinder (2) which is away from the fixed baffle (21).
6. The roof-cutting post-refill coal mine filling system of claim 5, wherein: the center of upper supporting plate (44) with lower backup pad (45) has all been seted up a plurality of second through-hole (47), first through-hole (46) have been seted up to the symmetry on upper supporting plate (44), first through-hole (46) set up the both sides of second through-hole (47).
7. The roof-cutting post-refill coal mine filling system of claim 6, wherein: the utility model discloses a screw rod, including first threaded rod (42), second threaded rod (43), screw rod (42) and lower backup pad (45) are connected with first threaded rod (42) respectively, a plurality of screw hole has all been seted up to the one end of second threaded rod (43), threaded hole is provided with the bolt, the screw hole with second through-hole (47) one-to-one, go up backup pad (44) lower backup pad (45) through the bolt respectively with first threaded rod (42) second threaded rod (43) can dismantle the connection.
8. The roof-cutting post-refill coal mine filling system of claim 7, wherein: the novel high-resistance high-deformation roof bolt is characterized in that a constant-resistance high-deformation roof bolt (4) is arranged in the first through hole (46), and one end of the constant-resistance high-deformation roof bolt (4) extending into the first through hole (46) penetrates through the top plate (6) and extends into the upper portion of the top plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321647428.6U CN220302180U (en) | 2023-06-27 | 2023-06-27 | Coal mine filling system for refilling after roof cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321647428.6U CN220302180U (en) | 2023-06-27 | 2023-06-27 | Coal mine filling system for refilling after roof cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302180U true CN220302180U (en) | 2024-01-05 |
Family
ID=89347085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321647428.6U Active CN220302180U (en) | 2023-06-27 | 2023-06-27 | Coal mine filling system for refilling after roof cutting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302180U (en) |
-
2023
- 2023-06-27 CN CN202321647428.6U patent/CN220302180U/en active Active
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