CN212642765U - Coal mine tunnel pillar reinforced structure - Google Patents
Coal mine tunnel pillar reinforced structure Download PDFInfo
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- CN212642765U CN212642765U CN202020753020.7U CN202020753020U CN212642765U CN 212642765 U CN212642765 U CN 212642765U CN 202020753020 U CN202020753020 U CN 202020753020U CN 212642765 U CN212642765 U CN 212642765U
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Abstract
The utility model discloses a coal mine tunnel pillar reinforced structure relates to tunnel support technical field. The utility model comprises a base frame, wherein the base frame comprises a top reinforcing group and two side rods respectively positioned at the bottoms of two ends of the top reinforcing group; one side surface of the side rod is provided with a row of through holes; the top reinforcing group comprises a top frame and two side frames, and two sides of the bottom of the top frame are respectively clamped with one side frame; a top plate is inserted into one side surface of the top frame, and a socket matched with the top plate is formed in the other side surface of the top frame; the bottom of the side frame is connected with the top of the side rod through a rivet. The utility model discloses a top is consolidated and is organized and support the both sides at top and top in the tunnel respectively, carries out the atress through top frame and two side frames and shares, has improved the reinforcement effect of pillar, and rethread side lever carries out the adherence support, guarantees pillar reinforced structure.
Description
Technical Field
The utility model belongs to the technical field of the tunnel supports, especially relate to a coal mine tunnel pillar reinforced structure.
Background
Coal mines in China are mainly mined underground, a large number of roadways need to be excavated underground, and safe and efficient production of the coal mines depends on smoothness and stability of the roadways. Along with the continuous improvement of mining depth, mining width and mining strength, the embedding depth of the tunnel is increased year by year, geological conditions are increasingly complicated, and complicated difficult conditions such as a high ground stress tunnel, a strong mining influence tunnel, a soft and broken surrounding rock tunnel, an extra-large section tunnel, a chamber and the like appear. All shed tunnels at special positions such as the joints of safety exits and tunnels on the coal face need to be effectively reinforced and supported.
The existing roadway support reinforcing mode mainly comprises single hydraulic column point column reinforcement, single hydraulic column reinforcing with steel beams, wood point column reinforcement and the like, and all the operations of the above supporting mode reinforcement are completed by manpower. Firstly, the main function of the existing roadway support is to support the top of the roadway, and the potential safety hazard of the side wall of the roadway is often ignored; in addition, for places with high top plate pressure, when the bottom plate is soft, the single support columns can drill more bottoms, so that the reinforcing effect can not be achieved, and the roadway is seriously deformed; the single prop and the top beam are erected and retracted frequently and are all operated manually, so that a large number of users are required, the labor intensity is high, the safety is poor, and the manpower is all operated manually, so that a large number of users are required, the labor intensity is high, and the safety is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal mine tunnel pillar reinforced structure to solve the problem that above-mentioned background art provided.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a coal mine tunnel pillar reinforcement structure, which comprises a base frame, wherein the base frame comprises a top reinforcement group and two side rods respectively positioned at the bottoms of two ends of the top reinforcement group; one side surface of the side rod is provided with a row of through holes; the top reinforcing group comprises a top frame and two side frames, and two sides of the bottom of the top frame are respectively clamped with one side frame; a top plate is inserted into one side surface of the top frame, and a socket matched with the top plate is formed in the other side surface of the top frame; the bottom of the side frame is connected with the top of the side rod through a rivet; the inner diameter of the round hole is equal to the diameter of the steel bar, and the side wall of the roadway is reinforced through the matching of the round hole and the steel bar; the top in the tunnel is withstood through the manpower earlier to the frame that will push up, then at two side frames of top frame below joint installation, then support through the side lever, fix the skeleton earlier, then at the socket department installation roof of frame that pushes up, carry out the equipment of pillar reinforced structure, earlier carry out the support at top in the tunnel through top frame and roof, then carry out the support reinforcement at top both corners in the tunnel through the side frame, carry out supporting of tunnel lateral wall through the cooperation between the side lever at last, realize the reinforcement effect in tunnel.
Furthermore, the tops of the opposite inner sides of the two side rods are welded with inclined supporting rods, and the top end faces of the supporting rods abut against the lower surfaces of the side frames.
Furthermore, a clamping seat is fixed on the lower surface of the side frame, a clamping block is fixed on the top end face of the side rod, and the clamping block is in inserting fit with the clamping seat.
Further, a winding roller is rotatably matched at the inner bottom of the side frame.
Furthermore, bottom plates are fixed to the bottoms of the side rods.
The utility model discloses following beneficial effect has:
the utility model is provided with the top reinforcing group, the top frame and the two side frames in the top reinforcing group are used for supporting and distributing the top of the roadway, the stress on the top of the roadway is shared, and the stress intensity of the pillar structure is improved and the supporting effect of the pillar structure of the roadway is enhanced through the U-shaped frame structure of the top frame and the U-shaped frame structure of the side frames; the reinforcing structure can be suitable for the tunneling and mining operation requirements of coal mines with high operation difficulty, poor working face installation conditions and the like, and the production operation safety is efficiently ensured.
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 schematic structural view of a coal mine tunnel pillar reinforcement structure of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic structural view of a top reinforcement group;
FIG. 5 is a partial cross-sectional view of the top reinforcement set;
FIG. 6 is a schematic side bar construction;
in the drawings, the components represented by the respective reference numerals are listed below:
1-base frame, 2-top reinforcing group, 3-side rod, 4-top frame, 5-side frame, 6-top plate, 7-socket, 8-round hole, 9-support rod, 10-clamping seat, 11-clamping block, 12-winding roller and 13-bottom plate.
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. 1-6, the utility model relates to a coal mine tunnel pillar reinforcement structure, which comprises a base frame 1, wherein the base frame 1 comprises a top reinforcement group 2 and two side bars 3 respectively positioned at the bottoms of two ends of the top reinforcement group 2; one side surface of the side rod 3 is provided with a row of through holes 8; the top reinforcing group 2 comprises a top frame 4 and two side frames 5, and two sides of the bottom of the top frame 4 are respectively clamped with one side frame 5; a top plate 6 is inserted into one side surface of the top frame 4, and a socket 7 which can be matched with the top plate 6 is arranged on the other side surface of the top frame 4; the bottom of the side frame 5 is connected to the top of the side bar 3 by rivets.
The inner diameter of the round hole 8 is equal to the diameter of the steel bar, and the side wall of the roadway is reinforced through the matching of the round hole 8 and the steel bar; roof frame 4 withstands top in the tunnel through the manpower earlier, then two side frames 5 of joint installation in roof frame 4 below, then support through side lever 3, fix the skeleton earlier, then at 7 department installation roofs 6 of socket of roof frame 4, carry out the equipment of pillar reinforced structure, earlier carry out the support at top in the tunnel through roof frame 4 and roof 6, then carry out the support reinforcement at top both corners in the tunnel through side frame 5, carry out supporting of tunnel lateral wall through the cooperation between the side lever 3 at last, realize the reinforcement effect in tunnel.
Wherein, the top of the relative inboard of two side levers 3 all welds the bracing piece 9 of slope, and the top face of bracing piece 9 supports the lower surface of side frame 5.
Wherein, the lower surface of side frame 5 is fixed with cassette 10, and the top end face of side lever 3 is fixed with fixture block 11, and fixture block 11 is pegged graft with cassette 10 and is cooperated.
The inner bottom of the side frame 5 is rotatably fitted with a winding roller 12.
Wherein, the bottom of the side bars 3 is fixed with a bottom plate 13.
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 preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a coal mine tunnel pillar reinforced structure, includes bed frame (1), its characterized in that:
the base frame (1) comprises a top reinforcing group (2) and two side rods (3) respectively positioned at the bottoms of two ends of the top reinforcing group (2); one side surface of the side rod (3) is provided with a row of through holes (8);
the top reinforcing group (2) comprises a top frame (4) and two side frames (5), and two sides of the bottom of the top frame (4) are respectively clamped with one side frame (5); a top plate (6) is inserted into one side surface of the top frame (4), and a socket (7) which can be matched with the top plate (6) is formed in the other side surface of the top frame (4);
the bottom of the side frame (5) is connected with the top of the side rod (3) through a rivet.
2. A coal mine tunnel pillar reinforcement structure according to claim 1, characterized in that inclined support rods (9) are welded to the tops of the opposite inner sides of the two side rods (3), and the top end surfaces of the support rods (9) are abutted against the lower surfaces of the side frames (5).
3. The coal mine roadway pillar reinforcement structure according to claim 1, wherein a clamping seat (10) is fixed on the lower surface of the side frame (5), a clamping block (11) is fixed on the top end surface of the side rod (3), and the clamping block (11) is in inserted fit with the clamping seat (10).
4. A coal mine tunnel pillar reinforcement structure according to claim 1, characterized in that the inner bottom of the side frame (5) is rotatably fitted with a winding roller (12).
5. A coal mine tunnel pillar reinforcement structure according to claim 1, characterised in that bottom plates (13) are fixed to the bottoms of the side poles (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020753020.7U CN212642765U (en) | 2020-05-09 | 2020-05-09 | Coal mine tunnel pillar reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020753020.7U CN212642765U (en) | 2020-05-09 | 2020-05-09 | Coal mine tunnel pillar reinforced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212642765U true CN212642765U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020753020.7U Active CN212642765U (en) | 2020-05-09 | 2020-05-09 | Coal mine tunnel pillar reinforced structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212642765U (en) |
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2020
- 2020-05-09 CN CN202020753020.7U patent/CN212642765U/en active Active
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