CN213039303U - Coal mine tunnel supporting construction - Google Patents
Coal mine tunnel supporting construction Download PDFInfo
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- CN213039303U CN213039303U CN202021623328.6U CN202021623328U CN213039303U CN 213039303 U CN213039303 U CN 213039303U CN 202021623328 U CN202021623328 U CN 202021623328U CN 213039303 U CN213039303 U CN 213039303U
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- supporting rod
- rod
- fixedly connected
- coal mine
- sliding
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Abstract
The utility model relates to a coal mining technical field especially relates to a coal mine tunnel supporting construction, has solved prior art coal mine and has opened and adopt tunnel supporting construction can't protect the change of length, can't protect the tunnel of co-altitude not, is not suitable for remote installation, seems very inconvenient problem. A coal mine roadway supporting structure comprises an outer supporting rod, an inner supporting rod is arranged in an inner cavity of the outer supporting rod, one end of the inner supporting rod is elastically connected with the inner wall of the outer supporting rod through a first extrusion spring, and the other end of the inner supporting rod penetrates through the side wall of the outer supporting rod through a second notch. The utility model discloses in the support mode that proposes, not only can effectually strut work to coal mine tunnel, and because the adjustability of whole device, so be applicable to the not coal mine tunnel's of equidimension strut work, have very high flexibility, and easy operation.
Description
Technical Field
The utility model relates to a coal mining technical field especially relates to a coal mine tunnel supporting construction.
Background
Coal mines are reasonable spaces excavated by human beings when geological layers rich in coal are excavated, generally comprise roadways, wells, excavation surfaces and the like, the coal is the most main solid fuel and is one of flammable organic rocks, and the coal is formed by gradually piling luxuriant plants growing in certain geological times into thick layers in a proper geological environment, burying the thick layers in water bottoms or silt and performing natural coalification for a long geological time, wherein in the geological time all over the world, the carbon content of the coal is generally 46-97%, the coal is brown to black and has dull to metallic luster, and the coal can be divided into four types of peat, lignite, bituminous coal and anthracite according to different coalification degrees.
Coal mine is underground mining mainly, need dig a large amount of tunnels in the pit, adopts the tunnel to strut and keeps the tunnel unblocked and the stable coal mine construction and production that has great significance with surrounding rock, and the tunnel supporting construction for current coal mine mining is fixed mounting structure basically, adopts the fixed plate to support the protection through the stock to the rock mass, but this mounting structure can't protect length's change, can't protect the tunnel of co-altitude not, is not suitable for remote installation, seems very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a colliery tunnel supporting construction has solved among the prior art coal mine and has opened and adopt tunnel supporting construction can't protect the change of length, can't protect the tunnel of co-altitude not, is not suitable for remote installation, seems very inconvenient problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a coal mine roadway supporting structure comprises an outer supporting rod, an inner supporting rod is arranged in an inner cavity of the outer supporting rod, one end of the inner supporting rod is elastically connected with the inner wall of the outer supporting rod through a first extrusion spring, the other end of the inner supporting rod penetrates through the side wall of the outer supporting rod through a second notch, supporting columns are fixedly connected to the bottom of an extending portion of the inner supporting rod and the bottom of the outer supporting rod, a push rod is fixedly connected to the bottom of a portion, located in the inner cavity of the outer supporting rod, of the inner supporting rod, the bottom of the push rod penetrates through the top of the outer supporting rod through a first notch, and bases are fixedly connected to the bottoms of the two supporting columns.
Preferably, one side of push rod is equipped with the carrier block, and one side fixedly connected with second slider that the carrier block is close to the push rod, and sliding connection between the lateral wall that second slider passes through second slide rail and push rod, carrier block top fixedly connected with bearing box, the top of bearing box is equipped with two card arms, the top of bearing box is all run through to the bottom of two card arms, and two card arms are located and pass through second extrusion spring elastic connection between the bearing box inner chamber part, and two card arms run through handing-over department of bearing box and rotate the connection through the round pin axle, the cassette that a plurality of cooperation card arm used of bottom fixedly connected with of outer bracing piece.
Preferably, a plurality of U template of top fixedly connected with of outer bracing piece, the inboard fixedly connected with dwang of U template, the cover is equipped with outer ejector pin on the dwang, and be connected for rotating between outer ejector pin and the dwang, the inner chamber of outer ejector pin is equipped with interior ejector pin, the top of interior ejector pin runs through outer ejector pin top through the third notch, one side of U template is equipped with coupling nut, all set up the second screw hole that cooperation coupling nut used on two vertical section upper portions of U template and two lateral walls of outer ejector pin, and set up the first screw hole that a plurality of cooperation coupling nut used on the interior ejector pin.
Preferably, the bottom of the part of the inner supporting rod located in the inner cavity of the outer supporting rod is fixedly connected with a first sliding block, and the first sliding block is connected with the inner wall of the outer supporting rod in a sliding manner through a first sliding rail.
Preferably, a sliding rod is arranged in the inner cavity of the outer supporting rod, two ends of the sliding rod are fixedly connected with the inner wall of the outer supporting rod, a sliding sleeve is sleeved on the sliding rod, and the outer wall of the sliding sleeve is fixedly connected with the side wall of the inner supporting rod positioned in the inner cavity of the outer supporting rod.
Preferably, the outer walls of the two supporting columns are fixedly connected with a reflecting plate.
The utility model discloses possess following beneficial effect at least:
when the supporting work of the coal mine tunnel is carried out, firstly, the push rod is pushed, the push rod slides in the first notch, and then the inner supporting rod is driven to slide in the second notch, when the inner supporting rod moves to the position attached to the side wall of the tunnel, the clamping arm and the clamping seat are mutually clamped to limit the push rod, then the outer ejector rod is rotated to enable the inner ejector rod to be in a vertical shape, meanwhile, the inner ejector rod is lifted until the top of the tunnel is attached, meanwhile, the positions of the inner ejector rod and the outer ejector rod are limited by using the connection nut and the first threaded hole and the second threaded hole in a matched mode, the positions of all the inner ejector rods are adjusted to enable the inner ejector rods to be used for supporting the top of the tunnel, the supporting work of the coal mine tunnel is completed, compared with the prior art that the tunnel supporting structure cannot be used for changing the protecting length, the tunnels with different, the very inconvenient problem appears, the utility model discloses in the support mode that provides, not only can effectually strut the work to coal mine tunnel, and because the adjustability of whole device, so be applicable to the not coal mine tunnel's of equidimension strut the work, have very high flexibility, and easy operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is a front view structural diagram of the present invention;
fig. 2 is a top view of the outer supporting rod of the present invention;
FIG. 3 is an enlarged view of area B of the present invention;
FIG. 4 is an enlarged view of area A of the present invention;
fig. 5 is a side view of the push rod of the present invention.
In the figure: 1. an outer support bar; 2. an inner support bar; 3. a first pressing spring; 4. a support pillar; 5. a base; 6. a push rod; 7. a first notch; 8. a second notch; 9. a slide bar; 10. a sliding sleeve; 11. a first slider; 12. a first slide rail; 13. a card holder; 14. a clamp arm; 15. a carrying case; 16. a second pressing spring; 17. a bearing block; 18. a connecting nut; 19. an inner ejector rod; 20. an outer ejector rod; 21. a first threaded hole; 22. a U-shaped plate; 23. rotating the rod; 24. a third notch; 25. a second slider; 26. a second slide rail; 27. a second threaded hole; 28. a reflector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, a coal mine roadway supporting structure comprises an outer supporting rod 1, an inner supporting rod 2 is arranged in an inner cavity of the outer supporting rod 1, one end of the inner supporting rod 2 is elastically connected with the inner wall of the outer supporting rod 1 through a first extrusion spring 3, the other end of the inner supporting rod 2 penetrates through the side wall of the outer supporting rod 1 through a second notch 8, the bottom of the extending part of the inner supporting rod 2 and the bottom of the outer supporting rod 1 are fixedly connected with supporting columns 4, a push rod 6 is fixedly connected with the part of the inner supporting rod 2, which is positioned in the inner cavity of the outer supporting rod 1, the bottom end of the push rod 6 penetrates through the top of the outer supporting rod 1 through a first notch 7, and bases 5 are fixedly connected with the bottom ends of the two supporting columns 4, in particular, the supporting work suitable for roadways with different widths is realized by utilizing the adjustability of the inner supporting rod 2, the working efficiency is improved, the use value is very high.
The scheme has the following working processes:
when the supporting work of the coal mine tunnel is carried out, the push rod 6 is firstly pushed, the push rod 6 slides in the first notch 7 at the bottom of the outer support rod 1, the inner support rod 2 is further driven to slide in the second notch 8, when the inner support rod 2 moves to a position attached to the side wall of the tunnel, the push rod 6 stops being pushed, and the inner support rod 2 is more stable in the sliding process by the aid of the first extrusion spring 3.
According to the working process, the following steps are known:
the supporting work suitable for the roadways with different widths is realized by utilizing the adjustability of the inner supporting rod 2, the working efficiency is improved, and the flexibility is strong.
Further, one side of the push rod 6 is provided with a bearing block 17, and the bearing block 17 is close to one side fixedly connected with second slider 25 of the push rod 6, and second slider 25 is connected with the side wall of the push rod 6 through a second slide rail 26 in a sliding manner, bearing box 15 is fixedly connected with the top of bearing block 17, two clamping arms 14 are arranged at the top of bearing box 15, the bottom ends of two clamping arms 14 all run through the top of bearing box 15, and two clamping arms 14 are located between the inner cavity parts of bearing box 15 and are connected through a second extrusion spring 16 in an elastic manner, and the joint of two clamping arms 14 running through bearing box 15 is connected through a pin shaft in a rotating manner, the bottom of the outer support rod 1 is fixedly connected with a plurality of clamping seats 13 matched with the clamping arms 14 for use, specifically, the clamping arms 14 are clamped with the clamping seats 13, and when the inner support rod 2 moves to a designated position by using the push rod 6.
Further, the top of the outer supporting rod 1 is fixedly connected with a plurality of U-shaped plates 22, the inner sides of the U-shaped plates 22 are fixedly connected with a rotating rod 23, an outer ejector rod 20 is sleeved on the rotating rod 23, the outer ejector rod 20 is rotatably connected with the rotating rod 23, an inner ejector rod 19 is arranged in an inner cavity of the outer ejector rod 20, the top end of the inner ejector rod 19 penetrates through the top of the outer ejector rod 20 through a third notch 24, a connecting nut 18 is arranged on one side of the U-shaped plate 22, second threaded holes 27 matched with the connecting nut 18 for use are formed in the upper parts of two vertical sections of the U-shaped plates 22 and two side walls of the outer ejector rod 20, a plurality of first threaded holes 21 matched with the connecting nut 18 for use are formed in the inner ejector rod 19, specifically, the inner ejector rod 19 is lifted until the top of a roadway is attached, meanwhile, the positions of the inner ejector rod 19 and the outer ejector rod 20 are limited by the matching use of the connecting nut, the positions of all the inner jacks 19 are adjusted to support the top of the roadway.
Further, a first sliding block 11 is fixedly connected to the bottom of the portion, located in the inner cavity of the outer support rod 1, of the inner support rod 2, and the first sliding block 11 is connected with the inner wall of the outer support rod 1 in a sliding manner through a first sliding rail 12, specifically, the first sliding block 11 slides in the first sliding rail 12, so that the stability of the inner support rod 2 in movement is further enhanced.
Furthermore, a sliding rod 9 is arranged in the inner cavity of the outer supporting rod 1, two ends of the sliding rod 9 are fixedly connected with the inner wall of the outer supporting rod 1, a sliding sleeve 10 is sleeved on the sliding rod 9, the outer wall of the sliding sleeve 10 is fixedly connected with the side wall of the inner supporting rod 2, which is positioned in the inner cavity of the outer supporting rod 1, and specifically, the sliding sleeve 10 is driven to slide on the sliding rod 9 by the movement of the inner supporting rod 2, so that the stability of the inner supporting rod 2 is further enhanced.
Further, equal fixedly connected with reflector panel 28 on the outer wall of two support columns 4, it is concrete, utilize reflector panel 28 to prevent that the workman from colliding with support column 4 in the middle of the work to lead to injured's problem.
In summary, by the mutual engagement between the latch arm 14 and the latch base 13, when the inner support rod 2 is moved to the designated position by the push rod 6, the push rod 6 is limited, the inner mandril 19 is lifted until the top of a roadway is attached, meanwhile, the positions of the inner mandril 19 and the outer mandril 20 are limited by the matching use of the connecting nut 18, the first threaded hole 21 and the second threaded hole 27, the positions of all the inner mandrils 19 are adjusted to support the top of the roadway, the first slide block 11 slides in the first slide rail 12, further, the stability of the inner supporting rod 2 in the movement process is further enhanced, the sliding sleeve 10 is driven to slide on the sliding rod 9 by the movement of the inner supporting rod 2, further enhancing the stability of the inner supporting rod 2, and preventing workers from colliding with the supporting rod 4 in the process of working by using the reflecting plate 28, thereby causing injury.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A coal mine roadway supporting structure comprises an outer supporting rod (1) and is characterized in that, an inner supporting rod (2) is arranged in the inner cavity of the outer supporting rod (1), one end of the inner supporting rod (2) is elastically connected with the inner wall of the outer supporting rod (1) through a first extrusion spring (3), and the other end of the inner supporting rod (2) penetrates through the side wall of the outer supporting rod (1) through a second notch (8), the bottom of the extending part of the inner supporting rod (2) and the bottom of the outer supporting rod (1) are both fixedly connected with a supporting column (4), the bottom of the part of the inner supporting rod (2) positioned in the inner cavity of the outer supporting rod (1) is fixedly connected with a push rod (6), the bottom of push rod (6) runs through the top of outer bracing piece (1) through first notch (7), two the equal fixedly connected with base (5) in bottom of support column (4).
2. A coal mine roadway support structure as claimed in claim 1, wherein one side of the push rod (6) is provided with a bearing block (17), and one side of the bearing block (17) close to the push rod (6) is fixedly connected with a second slide block (25), and the second slide block (25) is connected with the side wall of the push rod (6) in a sliding way through a second slide rail (26), the top of the bearing block (17) is fixedly connected with a bearing box (15), the top of the bearing box (15) is provided with two clamping arms (14), the bottom ends of the two clamping arms (14) penetrate through the top of the bearing box (15), and the two clamp arms (14) are positioned between the inner cavity parts of the bearing box (15) and are elastically connected through a second extrusion spring (16), and the two clamp arms (14) penetrate through the joint of the bearing box (15) and are rotationally connected through a pin shaft, the bottom of the outer supporting rod (1) is fixedly connected with a plurality of clamping seats (13) matched with the clamping arms (14) for use.
3. A coal mine roadway supporting structure as claimed in claim 1, wherein the top of the outer supporting rod (1) is fixedly connected with a plurality of U-shaped plates (22), the inner side of the U-shaped plate (22) is fixedly connected with a rotating rod (23), an outer mandril (20) is sleeved on the rotating rod (23), the outer mandril (20) is rotationally connected with the rotating rod (23), the inner mandril (19) is arranged in the inner cavity of the outer mandril (20), the top end of the inner top rod (19) penetrates through the top of the outer top rod (20) through a third notch (24), one side of the U-shaped plate (22) is provided with a connecting nut (18), the upper parts of two vertical sections of the U-shaped plate (22) and two side walls of the outer mandril (20) are respectively provided with a second threaded hole (27) matched with the connecting nut (18) for use, and a plurality of first threaded holes (21) matched with the connecting nuts (18) for use are formed in the inner mandril (19).
4. A coal mine roadway supporting structure as claimed in claim 1, wherein a first sliding block (11) is fixedly connected to the bottom of the part of the inner supporting rod (2) located in the inner cavity of the outer supporting rod (1), and the first sliding block (11) is slidably connected with the inner wall of the outer supporting rod (1) through a first sliding rail (12).
5. A coal mine roadway supporting structure as claimed in claim 1, wherein a sliding rod (9) is arranged in the inner cavity of the outer supporting rod (1), two ends of the sliding rod (9) are fixedly connected with the inner wall of the outer supporting rod (1), a sliding sleeve (10) is sleeved on the sliding rod (9), and the outer wall of the sliding sleeve (10) is fixedly connected with the side wall of the inner supporting rod (2) located in the inner cavity of the outer supporting rod (1).
6. A coal mine tunnel supporting structure according to claim 1, wherein a reflecting plate (28) is fixedly connected to the outer wall of each of the two supporting columns (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021623328.6U CN213039303U (en) | 2020-08-06 | 2020-08-06 | Coal mine tunnel supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021623328.6U CN213039303U (en) | 2020-08-06 | 2020-08-06 | Coal mine tunnel supporting construction |
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| Publication Number | Publication Date |
|---|---|
| CN213039303U true CN213039303U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021623328.6U Active CN213039303U (en) | 2020-08-06 | 2020-08-06 | Coal mine tunnel supporting construction |
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| CN (1) | CN213039303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882889A (en) * | 2021-11-01 | 2022-01-04 | 安徽理工大学 | Head-tail interactive sliding type anchor support integrated equipment and control method |
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2020
- 2020-08-06 CN CN202021623328.6U patent/CN213039303U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882889A (en) * | 2021-11-01 | 2022-01-04 | 安徽理工大学 | Head-tail interactive sliding type anchor support integrated equipment and control method |
| CN113882889B (en) * | 2021-11-01 | 2024-02-27 | 安徽理工大学 | Head-tail interactive sliding type anchor support integrated equipment and control method |
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