CN212614761U - Coal mining excavation passageway reinforcing facility - Google Patents
Coal mining excavation passageway reinforcing facility Download PDFInfo
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- CN212614761U CN212614761U CN202021247524.8U CN202021247524U CN212614761U CN 212614761 U CN212614761 U CN 212614761U CN 202021247524 U CN202021247524 U CN 202021247524U CN 212614761 U CN212614761 U CN 212614761U
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- rod hole
- polish rod
- steelframe
- polished rod
- coal mining
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Abstract
The utility model discloses a coal exploitation tunnelling passageway reinforcement facility relates to coal exploitation technical field. The utility model discloses a support steelframe, anchor subassembly and whitewashing layer, support the steelframe and follow equidistant setting of coal exploitation tunnelling direction, support the steelframe and hug closely coal exploitation tunnelling passageway inner wall setting. The utility model discloses a set up the support steelframe, anchor subassembly and whitewashing layer, support the steelframe along the equidistant setting of tunnelling passageway direction of advance, and will support steelframe and passageway inner wall rock fixation together through the anchor subassembly, then whitewashing between the irregular rock facade of supporting steelframe and exploitation, fill up the gap and form the whitewashing layer, the fastness of being connected between reinforcing steelframe and the tunnelling passageway rock layer is supported in the reinforcing, improve the holistic compressive strength of reinforced facilities, be unlikely to warp and threaten personnel life safety, the structural strength difference of current technical reinforcement facility has been solved, poor stability, use the low problem of security.
Description
Technical Field
The utility model belongs to the technical field of coal exploitation, especially, relate to a coal exploitation tunnelling passageway reinforcement facility.
Background
Along with the rapid development of social economy in China, the coal quantity used by each production and construction unit is also rapidly increased, most of coal mining in China is mainly underground mining, which has higher requirements on the management of coal mine tunnels in China, at the present stage, the mining of coal resources in China is mainly to produce the economic benefits of resources, one of the important conditions for completing the requirements on the coal mining quantity is to ensure the rapid and efficient tunneling of the coal mine tunnels and the safety and reliability of coal mine production, which is also one of the important conditions for ensuring the mining of high-quality coal, however, as the geological conditions for storing the coal resources are complex, rockfall and even local collapse often occur in the coal mining and tunneling process in the past, which seriously threatens the life safety of tunneling personnel, and therefore, the tunneling channel is reinforced in the coal mining and tunneling process at present, however, most of the existing reinforcing facilities are formed by welding a row of supports directly according to the shape of the tunneling channel and then weaving the adjacent supports with steel bars or steel pipes to form a structure like a steel cage, but the existing reinforcing facilities have the problems of poor connection and fixation effect and small connection surface with the tunneling channel, so that the reinforcing facilities are easy to deform when being subjected to strong pressing force on the upper part or the side part of the channel in the use process, and further threaten the life safety of internal construction personnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coal mining tunneling channel reinforcing facility, which is characterized in that a supporting steel frame, an anchoring component and a guniting layer are arranged, the supporting steel frame is arranged at equal intervals along the advancing direction of the tunneling channel, the supporting steel frame is fixed with the rock on the inner wall of the channel through the anchoring component, then, guniting is carried out between the supporting steel frame and the vertical face of the mined irregular rock, and the gap is filled to form a guniting layer, so that the firmness of the connection between the supporting steel frame and the rock layer of the tunneling channel can be further enhanced, when local rock falling occurs, the support steel frame and other rock which is not fallen can provide high-strength support force for the fallen rock, and then can keep the whole shape of reinforcement facility, be unlikely to warp and threaten personnel life safety, solved the problem that prior art reinforcement facility structural strength is poor, poor stability, and the safety in utilization is low.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a coal mining tunnelling passageway reinforcement facility, including supporting steelframe, anchor subassembly and whitewashing layer, it digs equidistant setting of direction along coal mining to support the steelframe, it hugs closely coal mining tunnelling passageway inner wall setting to support the steelframe, equidistant installation has the anchor subassembly on the support steelframe, it digs passageway inner wall fixed connection through anchor subassembly and charcoal mining to support the steelframe, it digs and is provided with the whitewashing layer between the passageway inner wall to support steelframe and coal mining, it includes first straight steel sheet, second straight steel sheet and arch steel sheet to support the steelframe, be provided with the arch steel sheet between first straight steel sheet and the second straight steel sheet, welded connection between the both ends of arch steel sheet and the top of first straight steel sheet and the top of second straight steel sheet respectively, equidistant first polished rod hole seat of being provided with on the inner wall medial, Second polished rod hole seat, third polished rod hole seat, fourth polished rod hole seat, fifth polished rod hole seat, sixth polished rod hole seat and seventh polished rod hole seat, adjacent two between the first polished rod hole seat, between two second polished rod hole seats, between two third polished rod hole seats, between two fourth polished rod hole seats, between two fifth polished rod hole seats, between two sixth polished rod hole seats and between two seventh polished rod hole seats all peg graft and have the polished rod.
Furthermore, first polished rod hole seat and second polished rod hole seat welding are on the medial surface of first straight steel sheet, and second polished rod hole seat sets up the top at first polished rod hole seat relatively, sixth polished rod hole seat and seventh polished rod hole seat welding are on the medial surface of the straight steel sheet of second, and sixth polished rod hole seat sets up the top at seventh polished rod hole seat relatively, all are provided with two polished rod hole seats in the both sides of two straight steel sheets like this, can be convenient for realize through polished rod hole seat and polished rod cooperation two adjacent first straight steel sheets in the front and back and the connection between the two adjacent straight steel sheets of second in the front and back, and then improve holistic connectivity.
Further, third polished rod hole seat, fourth polished rod hole seat and fifth polished rod hole seat weld on the medial surface of arch steel sheet in succession, third polished rod hole seat sets up the one end that is close to first straight steel sheet at the arch steel sheet, fifth polished rod hole seat sets up the one end that is close to the straight steel sheet of second at the arch steel sheet, the welding position of fourth polished rod hole seat is located the positive centre of arch steel sheet, third polished rod hole seat and fifth polished rod hole seat use fourth polished rod hole seat to set up as central symmetry, and the design can make the both sides compressive capacity of arch steel sheet keep unanimous like this, improves the holistic compressive capacity of arch steel sheet.
Further, the cross section size of polished rod and the internal diameter size phase-match of polished rod hole seat, the length of polished rod is greater than the distance between two adjacent support steelframe opposite faces to be less than the distance between two adjacent support steelframe opposite faces and polished rod hole seat length sum, make the length of polished rod keep in this scope, can make things convenient for personnel to install the polished rod.
Further, the anchor subassembly includes anchor rod, screw thread head and hexagon nut, the one end anchor of anchor rod is inside coal mining tunnelling passageway, the other end of anchor rod is provided with the screw thread head, the screw thread head is pegged graft with seting up the anchor hole cooperation on supporting the steelframe, it has hexagon nut to twist soon on the screw thread head, and the setting of anchor subassembly can be with supporting steelframe and tunnelling passageway rock layer zonulae occludens, and then improves and consolidate the effect.
Furthermore, the length of the anchoring rod embedded in the rock of the coal mining tunneling channel is between 300 mm and 450mm, and the length is set, so that the firmness of the connection of the anchoring rod and the rock layer can be ensured, and the drilling construction can be conveniently carried out by personnel.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up the support steelframe, anchor subassembly and whitewashing layer, support the steelframe along the equidistant setting of tunnelling passageway direction of advance, and will support steelframe and passageway inner wall rock fixation together through the anchor subassembly, then whitewashing between the irregular rock facade of support steelframe and exploitation, fill up the gap and form the whitewashing layer, can further strengthen the fastness of being connected between support steelframe and the tunnelling passageway rock layer like this, when local rock drops appearing, support steelframe and other rock that do not drop can provide the holding power of high strength for the rock that drops, and then can keep the whole shape of reinforcing facility, be unlikely to warp threaten personnel life safety, it is poor to have solved current technical reinforcement facility structural strength, poor stability, the problem that safety in utilization is low.
2. The utility model discloses an impartial interval sets up seven polished rod hole seats on every support frame, then is provided with the polished rod between two adjacent support frames, and the both ends of polished rod are inserted and are connected in the polished rod hole seat that corresponds, can provide the support between two adjacent support frames through the polished rod to can be with linking into a whole between the support frame, holistic shock resistance between the reinforcing support frame.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious 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 front view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic view of the overall structure of the support steel frame of FIG. 1 according to the present invention;
fig. 4 is a longitudinal sectional view of fig. 1 according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. supporting the steel frame; 2. an anchor assembly; 3. a guniting layer; 4. an anchoring rod; 5. a screw head; 6. a hexagonal nut; 7. a first straight steel plate; 8. a second straight steel plate; 9. an arched steel plate; 10. an anchoring hole; 11. a first polish rod bore seat; 12. a second polish rod hole seat; 13. a third polish rod hole seat; 14. a fourth polish rod hole seat; 15. a fifth polish rod hole seat; 16. a sixth polish rod hole seat; 17. a seventh polish rod hole seat; 18. a polish rod.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model relates to a coal mining excavation channel reinforcement facility, which comprises a supporting steel frame 1, anchoring components 2 and a guniting layer 3, wherein the supporting steel frame 1 is arranged at equal intervals along the coal mining excavation direction, the supporting steel frame 1 is arranged close to the inner wall of the coal mining excavation channel, the anchoring components 2 are arranged at equal intervals on the supporting steel frame 1, the anchoring components 2 comprise anchoring rods 4, thread heads 5 and hexagon nuts 6, one end of each anchoring rod 4 is anchored in the coal mining excavation channel, the other end of each anchoring rod 4 is provided with the thread head 5, the thread heads 5 are matched and spliced with anchoring holes 10 arranged on the supporting steel frame 1, the hexagon nuts 6 are screwed on the thread heads 5, the length of each anchoring rod 4 embedded in the coal mining excavation channel rock is between 300 and 450mm, the supporting steel frame 1 is fixedly connected with the inner wall of the carbon mining excavation channel through the anchoring components 2, a guniting layer 3 is arranged between a support steel frame 1 and the inner wall of a coal mining tunneling channel, the support steel frame 1 comprises a first straight steel plate 7, a second straight steel plate 8 and an arched steel plate 9, the arched steel plate 9 is arranged between the first straight steel plate 7 and the second straight steel plate 8, two ends of the arched steel plate 9 are respectively welded and connected with the top end of the first straight steel plate 7 and the top end of the second straight steel plate 8, when the guniting device is used, a drilling machine is used for drilling a hole with the depth of 300 plus 450mm on the inner wall of the coal mining tunneling channel, then an anchoring rod 4 is inserted and fixed into the drilled hole, the support steel frame 1 is arranged along the position of the anchoring rod 4, an anchoring hole 10 formed in the support steel frame 1 is aligned with the anchoring rod 4, the anchoring rod 4 is inserted and connected into the anchoring hole 10, then a hexagon nut 6 is screwed on a threaded head 5 at the end of the anchoring rod 4, the fixing of the support steel frame 1, and the guniting layer 3 positioned at the supporting steel frame 1 is completely filled between the supporting steel frame 1 and the inner wall of the tunneling channel, and the supporting steel frame 1 and the inner wall of the tunneling channel are bonded and fixed through the guniting layer 3.
Referring to fig. 3-4, the inner side of the inner wall of the supporting steel frame 1 is provided with a first polish rod hole seat 11, a second polish rod hole seat 12, a third polish rod hole seat 13, a fourth polish rod hole seat 14, a fifth polish rod hole seat 15, a sixth polish rod hole seat 16 and a seventh polish rod hole seat 17 at equal intervals, polish rods 18 are inserted between two adjacent first polish rod hole seats 11, between two second polish rod hole seats 12, between two third polish rod hole seats 13, between two fourth polish rod hole seats 14, between two fifth polish rod hole seats 15, between two sixth polish rod hole seats 16 and between two seventh polish rod hole seats 17, the cross-sectional dimension of each polish rod 18 is matched with the inner diameter dimension of each polish rod hole seat, the length of each polish rod 18 is greater than the distance between the opposite faces of two adjacent supporting steel frames 1 and is less than the sum of the distance between the opposite faces of two adjacent supporting steel frames 1 and the length of each polish rod hole seat, a first polish rod hole seat 11 and a second polish rod hole seat 12 are welded on the inner side surface of a first straight steel plate 7, the second polish rod hole seat 12 is oppositely arranged above the first polish rod hole seat 11, a sixth polish rod hole seat 16 and a seventh polish rod hole seat 17 are welded on the inner side surface of a second straight steel plate 8, the sixth polish rod hole seat 16 is oppositely arranged above the seventh polish rod hole seat 17, a third polish rod hole seat 13, a fourth polish rod hole seat 14 and a fifth polish rod hole seat 15 are continuously welded on the inner side surface of an arched steel plate 9, the third polish rod hole seat 13 is arranged at one end of the arched steel plate 9 close to the first straight steel plate 7, the fifth polish rod hole seat 15 is arranged at one end of the arched steel plate 9 close to the second straight steel plate 8, the welding position of the fourth polish rod hole seat 14 is positioned in the middle of the arched steel plate 9, the third polish rod hole seat 13 and the fifth polish rod hole seat 15 are symmetrically arranged by taking the fourth polish rod hole seat 14 as the center, after the supporting steel frame 1 is fixed and tightened with a tunneling channel according to a certain distance, polish rods 18 are respectively arranged between two adjacent first polish rod hole seats 11, between two adjacent second polish rod hole seats 12, between two adjacent third polish rod hole seats 13, between two adjacent fourth polish rod hole seats 14, between two adjacent fifth polish rod hole seats 15, between two adjacent sixth polish rod hole seats 16 and between two adjacent seventh polish rod hole seats 17, the adjacent supporting steel frame 1 is connected through the polish rods 18, and the integrity of a reinforcing facility is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solution recorded in the foregoing embodiments is modified, and some technical features are replaced by equivalent, all belonging to the protection scope of the present invention.
Claims (6)
1. The utility model provides a coal mining tunnelling passageway reinforcement facility, includes support steelframe (1), anchor subassembly (2) and whitewashing layer (3), its characterized in that: support steelframe (1) and follow the equidistant setting of coal mining excavation direction, it hugs closely coal mining excavation passageway inner wall setting to support steelframe (1), equidistant anchor subassembly (2) of installing in support steelframe (1), support steelframe (1) and tunnel inner wall fixed connection through anchor subassembly (2) and charcoal mining excavation, it spouts thick liquid layer (3) to support to be provided with between steelframe (1) and the coal mining excavation passageway inner wall, support steelframe (1) including first straight steel sheet (7), the straight steel sheet of second (8) and arch steel sheet (9), be provided with arch steel sheet (9) between first straight steel sheet (7) and the straight steel sheet of second (8), welded connection between the both ends of arch steel sheet (9) respectively with the top of first straight steel sheet (7) and the top of the straight steel sheet of second (8), equidistant first polished rod hole seat (11) that is provided with on the inner wall medial surface of support steelframe (1), Second polished rod hole seat (12), third polished rod hole seat (13), fourth polished rod hole seat (14), fifth polished rod hole seat (15), sixth polished rod hole seat (16) and seventh polished rod hole seat (17), adjacent two between first polished rod hole seat (11), between two second polished rod hole seats (12), between two third polished rod hole seats (13), between two fourth polished rod hole seats (14), between two fifth polished rod hole seats (15), between two sixth polished rod hole seats (16) and between two seventh polished rod hole seats (17) all peg graft and have polished rod (18).
2. A coal mining excavation tunnel reinforcement facility according to claim 1, characterized in that the first polish rod eye socket (11) and the second polish rod eye socket (12) are welded on the inner side face of the first straight steel plate (7), and the second polish rod eye socket (12) is oppositely disposed above the first polish rod eye socket (11), the sixth polish rod eye socket (16) and the seventh polish rod eye socket (17) are welded on the inner side face of the second straight steel plate (8), and the sixth polish rod eye socket (16) is oppositely disposed above the seventh polish rod eye socket (17).
3. The coal mining tunneling channel reinforcement facility according to claim 1, wherein the third polish rod hole base (13), the fourth polish rod hole base (14) and the fifth polish rod hole base (15) are continuously welded on the inner side surface of the arched steel plate (9), the third polish rod hole base (13) is arranged at one end, close to the first straight steel plate (7), of the arched steel plate (9), the fifth polish rod hole base (15) is arranged at one end, close to the second straight steel plate (8), of the arched steel plate (9), the welding position of the fourth polish rod hole base (14) is located in the middle of the arched steel plate (9), and the third polish rod hole base (13) and the fifth polish rod hole base (15) are symmetrically arranged by taking the fourth polish rod hole base (14) as a center.
4. The coal mining excavation tunnel reinforcement facility according to claim 1, characterized in that the cross-sectional dimension of the polish rod (18) is matched with the inner diameter dimension of the polish rod hole seat, and the length of the polish rod (18) is larger than the distance between the opposite surfaces of two adjacent supporting steel frames (1) and smaller than the sum of the distance between the opposite surfaces of two adjacent supporting steel frames (1) and the length of the polish rod hole seat.
5. The coal mining excavation channel reinforcement facility according to claim 1, characterized in that the anchor assembly (2) comprises an anchor rod (4), a threaded head (5) and a hexagon nut (6), one end of the anchor rod (4) is anchored inside the coal mining excavation channel, the other end of the anchor rod (4) is provided with the threaded head (5), the threaded head (5) is matched and plugged with an anchor hole (10) formed in the support steel frame (1), and the hexagon nut (6) is screwed on the threaded head (5).
6. A coal mining excavation tunnel reinforcement facility according to claim 5, characterized in that the anchoring rods (4) are arranged within the rock of the coal mining excavation tunnel between 300 and 450mm in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247524.8U CN212614761U (en) | 2020-06-30 | 2020-06-30 | Coal mining excavation passageway reinforcing facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247524.8U CN212614761U (en) | 2020-06-30 | 2020-06-30 | Coal mining excavation passageway reinforcing facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212614761U true CN212614761U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021247524.8U Active CN212614761U (en) | 2020-06-30 | 2020-06-30 | Coal mining excavation passageway reinforcing facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212614761U (en) |
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2020
- 2020-06-30 CN CN202021247524.8U patent/CN212614761U/en active Active
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