CN116753008A - Large-section roadway flexible supporting equipment - Google Patents
Large-section roadway flexible supporting equipment Download PDFInfo
- Publication number
- CN116753008A CN116753008A CN202311006349.1A CN202311006349A CN116753008A CN 116753008 A CN116753008 A CN 116753008A CN 202311006349 A CN202311006349 A CN 202311006349A CN 116753008 A CN116753008 A CN 116753008A
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- China
- Prior art keywords
- support
- flexible
- supporting
- frame
- roadway
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- -1 Polyethylene Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
- E21D19/04—Provisional protective covers for working space for use in drifting galleries
Abstract
The invention discloses a large-section roadway flexible supporting device, which belongs to the technical field of underground roadway supporting, and comprises the following components: the two support frames are symmetrically arranged left and right, each support frame is vertically erected on the ground of a roadway, two support frames are combined to form a support point, and the distance between adjacent support points is smaller than 10m; the transverse frame is transversely fixed between the support frames; the support net is attached to the roadway roof; the flexible supporting mechanism is arranged on each supporting point; and a flexible shelf plate, which is overhead between adjacent support points; according to the invention, a plurality of flexible support plates are adopted to form the flexible support frame, so that the flexible contact with the underground roadway roof is realized, wherein the mainly arranged flexible support mechanisms can be arranged on the support frame in an X-shaped left-right staggered manner, and a bottom support effect on the flexible support plates is formed, wherein the elastic support assembly can effectively absorb vibration transmitted by the underground roadway roof, and the support firmness is improved.
Description
Technical Field
The invention belongs to the technical field of underground roadway support, and particularly relates to large-section roadway flexible support equipment.
Background
Large section roadways are typically tunnels or roadways with larger section dimensions. This type of roadway typically has a large space to accommodate more equipment and personnel. Common large-section roadway supporting methods in the prior art include steel arch supporting, reinforced concrete lining, anchor bolt supporting and the like, but due to the large size of the large-section roadway, deformation and settlement of underground rock mass and soil layer in the excavation process can be large; meanwhile, larger vibration and power influence, such as blasting, drilling, vibration equipment and the like, can be generated in the construction process of the large-section roadway, so that the rigid support method is not feasible or the support is invalid; therefore, it is necessary to provide a large-section roadway flexible supporting device to solve the problems in the prior art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: a large section roadway flexible support apparatus comprising:
the two support frames are symmetrically arranged left and right, each support frame is vertically erected on the ground of a roadway, two support frames are combined to form a support point, and the distance between adjacent support points is smaller than 10m;
the transverse frame is transversely fixed between the support frames;
the support net is attached to the roadway roof;
the flexible supporting mechanism is arranged on each supporting point; and a flexible shelf plate, which is overhead between adjacent support points.
Further, preferably, the flexible support mechanism includes:
a central frame plate;
the side frame plates are distributed on two sides of the center frame plate left and right, the side frame plates and the center frame plate are respectively and rotatably connected with a supporting arm, and the supporting arms positioned on the center frame plate are respectively and rotatably connected with the supporting arms on the side frame plates;
the elastic frame support assembly is connected to the support arm, one end of the elastic frame support assembly is connected with the support frame, wherein the elastic frame support assembly is arranged left and right, and the two elastic frame support assemblies are distributed in an X-shaped cross mode.
Further, preferably, the side frame plates and the supporting arms on the central frame plate are matched with the elastic frame support assembly to form a Y-shaped structure, the supporting arms are hinged with telescopic adjusting rods, the telescopic ends of the telescopic adjusting rods are hinged with frame rods, one ends of the frame rods are connected with the supporting arms, the telescopic ends of the telescopic adjusting rods are also hinged with connecting rods, one ends of the connecting rods are connected with the corresponding side frame plates, and the supporting arms, the connecting rods, the side frame plates and the frame rods form a parallelogram structure.
Further, preferably, the elastic stand support assembly includes:
one end of the support cylinder is connected to the support frame, a support rod is arranged in the support cylinder in a sliding mode, and one end of the support rod is connected to the support arm;
the air pressure plug is arranged in the frame support cylinder in a sealing sliding manner;
the support spring is connected between the support rod and the air pressure plug; and the buffer gas bin is arranged on one side of the support frame, the support cylinder is communicated with an air pressure pipe, and one end of the air pressure pipe is connected with the buffer gas bin.
Further, as the preference, be fixed with on the support pole and go up the stopper, go up and seal between stopper and the pneumatic plug and construct into interior gas storehouse, just the frame props the jar overcoat and has connect the ring jar, it is provided with annular stopper to slide in the ring jar, it is provided with the switching pipe on the stopper to go up, the one end of switching pipe is connected on the ring jar, makes the ring jar is linked together with interior gas storehouse, the ring stopper below is connected with a plurality of compression springs.
Further, as an optimization, the upper end of the supporting rod is also sheathed with an outer guide sleeve in a sliding way, a connecting spring is arranged between the outer guide sleeve and the supporting rod, a post rod is coaxially arranged in the outer guide sleeve, the supporting rod is propped against and contacted with the post rod through an inner disc, and the contact surface of the supporting rod is of a tooth-filing surface structure;
and the support cylinder is fixedly provided with a shaft sleeve, the support rod is in sliding connection in the shaft sleeve, a pin shaft is vertically fixed on the inner wall of the shaft sleeve, the circumferential side wall of the support rod is provided with a guide groove, and the pin shaft is arranged on the guide groove in a sliding manner, so that the support rod can synchronously rotate and adjust in sliding displacement.
Further, preferably, the post rod is rotatably connected to the outer guide sleeve, a ratchet plate is fixed to the outer guide sleeve, the post rod is rotatably connected to the ratchet plate, top teeth are arranged on the post rod in a deflectable manner, and a limiting spring is connected between the top teeth and the post rod.
Further, preferably, the support frame is provided with a threaded rod in a vertical rotation manner, the threaded rod is provided with a sliding piece in a sliding manner through a threaded engagement effect, and one end of the flexible support mechanism is connected to the sliding piece.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a plurality of flexible support plates are adopted to form the flexible support frame, so that the flexible contact with the underground roadway roof is realized, wherein the mainly arranged flexible support mechanisms can be arranged on the support frame in an X-shaped left-right staggered manner, and a bottom support effect on the flexible support plates is formed, wherein the elastic support assembly can effectively absorb vibration transmitted by the underground roadway roof, and the support firmness is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a support arm according to the present invention;
FIG. 4 is a schematic view of the structure of the elastic support assembly according to the present invention;
FIG. 5 is a schematic view of the structure of the outer guide sleeve according to the present invention;
FIG. 6 is a schematic view of the structure of the guide groove in the present invention;
FIG. 7 is a schematic view of the structure of a ratchet plate of the present invention;
in the figure: 1. a support frame; 11. a cross frame; 12. a flexible shelf; 13. a threaded rod; 14. a slider; 2. a flexible support mechanism; 21. a central frame plate; 22. a side frame plate; 23. a support arm; 24. a telescopic adjusting rod; 25. a hack lever; 26. a connecting rod; 3. an elastic support assembly; 31. a frame support cylinder; 32. a support rod; 33. a pneumatic plug; 34. an air pressure pipe; 35. a support spring; 36. a plug fitting; 37. a ring cylinder; 38. a guide groove; 39. a transfer tube; 4. an outer guide sleeve; 41. an inner disk; 42. a post; 43. a ratchet plate; 44. and (5) pushing teeth.
Detailed Description
Referring to fig. 1 to 7, in an embodiment of the present invention, a large-section roadway flexible support apparatus includes:
the two support frames 1 are symmetrically arranged left and right, each support frame 1 is vertically erected on the ground of a roadway, two support frames 1 are combined to form a support point, and the distance between adjacent support points is smaller than 10m;
a cross frame 11 transversely fixed between the support frames 1;
the support net is attached to the roadway roof;
a flexible supporting mechanism 2 mounted on each of the supporting points; and a flexible frame plate 12 which is overhead between the adjacent supporting points, wherein the flexible frame plate is made of Polyethylene (PE) material, has higher elasticity and flexibility, has higher flexibility and flexibility, and can adapt to deformation and settlement of the roadway. When the surrounding rock of the roadway is deformed, the flexible frame plate 12 can bend and deform, so that the effective support of the roadway is maintained, the corrosion factors can be resisted, the stability and durability of the support are maintained, and particularly, the support can be processed and customized according to the size and shape of the roadway, and meanwhile, the support is relatively light in weight and convenient to install and adjust.
In this embodiment, the flexible supporting mechanism 2 includes:
a center frame plate 21;
the side frame plates 22 are distributed on two sides of the center frame plate 21 left and right, the side frame plates 22 and the center frame plate 21 are respectively and rotatably connected with a supporting arm 23, and the supporting arm 23 positioned on the center frame plate 21 is rotatably connected with the supporting arm 23 positioned on the side frame plate 22;
the elastic frame support assembly 3 is connected to the support arm 23, one end of the elastic frame support assembly 3 is connected to the support frame 1, wherein the elastic frame support assembly 3 is two of left and right sides, the two elastic frame support assemblies 3 are distributed in an X-shaped cross manner, that is, in the roadway roof support, the center frame plate 21 and the two side frame plates 22 can be matched to form three support areas of left, middle and right so as to perform stress dispersion support.
As a preferred embodiment, the side frame plates 22 and the supporting arms 23 on the central frame plate 21 are matched with the elastic frame support assembly 3 to form a Y-shaped structure, the supporting arms 23 are hinged with telescopic adjusting rods 24, the telescopic ends of the telescopic adjusting rods 24 are hinged with hack levers 25, one ends of the hack levers 25 are connected with the supporting arms 23, the telescopic ends of the telescopic adjusting rods 24 are also hinged with connecting rods 26, one ends of the connecting rods 26 are connected with the corresponding side frame plates 22, so that the supporting arms 23, the connecting rods 26, the side frame plates 22 and the hack levers 25 form a parallelogram structure, and the parallelogram structure can be correspondingly deflected and adjusted by the telescopic adjusting rods 24 under telescopic adjustment, so that the side frame plates 22 can be vertically erected compared with the protruding stress of a roadway top plate, and the Y-shaped structure formed between the elastic frame support assembly 3 and the two supporting arms 23 has higher stability; among these are the following advantages:
1. partition support: the roof supports are divided into three support areas, left, middle and right, by the cooperation of the center frame plate 21 and the two side frame plates 22. The partition support can better adapt to geological conditions and deformation conditions of different areas, so that the support structure is more flexible and strong in adaptability.
2. Staggered arrangement: the elastic frame support assembly 3 and the two support arms 23 form a Y-shaped structure and are arranged in a left-right staggered manner. The staggered arrangement can further enhance the uniformity and stability of the support, effectively disperse the earth pressure and improve the overall performance of the roof support.
3. Elasticity compensation: uneven deformation and stress distribution of the tunnel roof may occur due to deformation and settlement of the tunnel. The Y-shaped structure in the flexible supporting mechanism 2 can compensate the deformation of the roadway through elastic deformation, thereby reducing the adverse effect on the supporting structure and keeping the stability of the roadway.
4. Adapting to geological changes: geological conditions and changes of the coal mine tunnel roof are complex, and stratum deformation and fault activity can influence tunnel stability. The flexible support mechanism 2 has the advantage of being capable of adapting to geological changes, maintaining the stability of a roadway through elastic support and deformation, and reducing the damage and failure risk of the support structure.
5. The construction and adjustment are convenient: the flexible supporting mechanism 2 is generally in a modularized design and installation mode, so that the construction process is more convenient and flexible. Meanwhile, the supporting structure is easy to adjust and maintain, and the supporting structure can be adjusted and repaired according to actual conditions, so that the safety and stability of a roadway are maintained.
In this embodiment, the elastic support assembly 3 includes:
a support cylinder 31, one end of which is connected to the support frame 1, a support rod 32 being slidably provided in the support cylinder 31, one end of the support rod 32 being connected to the support arm 23;
a pneumatic plug 33, which is hermetically and slidably disposed in the frame cylinder 31;
a support spring 35 connected between the support rod 32 and the air pressure plug 33; and a buffer gas bin arranged at one side of the support frame 1, wherein the support frame cylinder 31 is communicated with an air pressure pipe 34, one end of the air pressure pipe 34 is connected with the buffer gas bin (not shown in the figure), wherein the buffer gas bin is absorbed and buffered by adopting an air bag through air inflation and release, namely, the support rod 32 of the support frame cylinder 31 pushes the air pressure plug 33 to axially displace in the elastic support, and air flow is discharged into the buffer gas bin.
In this embodiment, an upper plug member 36 is fixed on the support rod 32, an inner air chamber is configured between the upper plug member 36 and the air pressure plug 33 in a sealing manner, a ring cylinder 37 is sleeved outside the frame support cylinder 31, an annular plug is slidably arranged in the ring cylinder 37, an adapter tube 39 is arranged on the upper plug member 36, one end of the adapter tube 39 is connected to the ring cylinder 37, so that the ring cylinder 37 is communicated with the inner air chamber, a plurality of compression springs are connected below the ring plug, especially for transient impact transmitted by a top plate of a downhole roadway, the support rod 32 in the frame support cylinder 31 can push the upper plug member 36 to perform axial displacement preferentially, exhaust is performed on the inner air chamber, and air enters the ring cylinder 37 through the adapter tube 39 and is absorbed by the impact by the compression springs matched with the ring plug.
In this embodiment, the upper end of the supporting rod 32 is further slidably sleeved with an outer guide sleeve 4, a connecting spring is provided between the outer guide sleeve 4 and the supporting rod 32, a post 42 is coaxially provided in the outer guide sleeve 4, the supporting rod 32 is abutted against the post 42 through an inner disc 41, and the contact surface is of a tooth-frustrating surface structure;
and be fixed with the axle sleeve (not shown in the figure) on the frame support jar 31, support pole 32 sliding connection is in the axle sleeve, be fixed with the round pin axle perpendicularly on the inner wall of axle sleeve, just offer guide slot 38 on the circumference lateral wall of support pole 32, the round pin axle slides and sets up on guide slot 38 for support pole 32 synchronous rotation adjusts in sliding displacement, that is to say, in the flexible support of frame support jar 31, support pole 32 axial displacement produces relative rotation, and inner disc 41 can form the vibration energy dissipation to the impact under the pause and stop contact with pole 42 this moment, improves flexible support intensity.
As a preferred embodiment, the post 42 is rotatably connected to the outer guide sleeve 4, the ratchet disc 43 is fixed on the outer guide sleeve 4, the post 42 is rotatably connected to the ratchet disc 43, a top tooth 44 is rotatably provided on the post 42, and a limit spring is connected between the top tooth 44 and the post 42, so that the ratchet disc 43 can rotate synchronously with the support rod 32 under reverse rotation (clockwise rotation relative to the ratchet disc 43) during displacement and resetting of the support rod 32 (i.e. only unidirectional relative rotation) due to contact between the inner disc 41 and the post 42 and the counter tooth (i.e. relative rotation).
In this embodiment, the support frame 1 is vertically rotated and provided with a threaded rod 13, the threaded rod 13 is slidably provided with a sliding member 14 through a threaded engagement function, and one end of the flexible support mechanism 2 is connected to the sliding member 14, so that the support angle of the support frame can be adjusted in real time.
Specifically, a plurality of support points are distributed and arranged in the large-section roadway, flexible frame plate support contact is adopted at the roadway top plate, wherein the support angle of the elastic support assembly 3 is adjusted according to the section shape of the large-section roadway, in flexible support, on one hand, the elastic support assembly 3 can absorb impact potential energy of the top plate, on the other hand, vibration energy dissipation is formed under the pause contact between the inner disc 41 and the post rod 42, and the roadway top plate has higher environmental adaptability and obvious support effect.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a flexible supporting equipment of large section tunnel which characterized in that, it includes:
the two support frames (1) are symmetrically arranged left and right, each support frame (1) is vertically erected on the ground of a roadway, two support frames (1) are combined to form a support point, and the distance between adjacent support points is smaller than 10m;
the transverse frames (11) are transversely fixed between the support frames (1);
the support net is attached to the roadway roof;
a flexible supporting mechanism (2) which is arranged on each supporting point; and a flexible shelf (12) elevated between adjacent ones of the support points.
2. The large section roadway flexible support apparatus of claim 1, wherein the flexible support mechanism (2) comprises:
a center frame plate (21);
the side frame plates (22) are distributed on two sides of the center frame plate (21) left and right, the side frame plates (22) and the center frame plate (21) are respectively and rotatably connected with a supporting arm (23), and the supporting arm (23) positioned on the center frame plate (21) is rotatably connected with the supporting arm (23) on the side frame plate (22);
the elastic support assembly (3) is connected to the support arm (23), one end of the elastic support assembly (3) is connected with the support frame (1), wherein the elastic support assembly (3) is arranged left and right, and the two elastic support assemblies (3) are distributed in an X-shaped cross mode.
3. The large-section roadway flexible supporting device according to claim 2, wherein the supporting arms (23) on the side frame plates (22) and the center frame plates (21) are matched with the elastic frame support assemblies (3) to form a Y-shaped structure, the supporting arms (23) are hinged with telescopic adjusting rods (24), the telescopic ends of the telescopic adjusting rods (24) are hinged with hack levers (25), one ends of the hack levers (25) are connected with the supporting arms (23), the telescopic ends of the telescopic adjusting rods (24) are further hinged with connecting rods (26), one ends of the connecting rods (26) are connected with the corresponding side frame plates (22), and the supporting arms (23), the connecting rods (26), the side frame plates (22) and the hack levers (25) are formed into a parallelogram structure.
4. The large section roadway flexible support apparatus of claim 2, wherein the resilient frame support assembly (3) comprises:
a support cylinder (31) with one end connected to the support frame (1), wherein a support rod (32) is slidably arranged in the support cylinder (31), and one end of the support rod (32) is connected to the support arm (23);
a pneumatic plug (33) which is arranged in the frame support cylinder (31) in a sealing sliding manner;
a support spring (35) connected between the support rod (32) and the air pressure plug (33); and the buffer gas bin is arranged on one side of the support frame (1), the frame support cylinder (31) is communicated with a pneumatic tube (34), and one end of the pneumatic tube (34) is connected with the buffer gas bin.
5. The large-section roadway flexible supporting device according to claim 4, wherein an upper plug member (36) is fixed on the supporting rod (32), an inner air bin is formed by sealing between the upper plug member (36) and the air pressure plug (33), a ring cylinder (37) is sleeved outside the frame supporting cylinder (31), a ring plug is arranged in the ring cylinder (37) in a sliding manner, a switching tube (39) is arranged on the upper plug member (36), one end of the switching tube (39) is connected to the ring cylinder (37), the ring cylinder (37) is communicated with the inner air bin, and a plurality of compression springs are connected below the ring plug.
6. The large-section roadway flexible supporting device according to claim 4, wherein an outer guide sleeve (4) is further sleeved at the upper end of the supporting rod (32) in a sliding mode, a connecting spring is arranged between the outer guide sleeve (4) and the supporting rod (32), a post rod (42) is coaxially arranged in the outer guide sleeve (4), the supporting rod (32) is abutted against the post rod (42) through an inner disc (41), and the contact surface of the supporting rod is of a tooth-filing surface structure;
and be fixed with the axle sleeve on frame support jar (31), support pole (32) sliding connection is in the axle sleeve, be fixed with the round pin axle perpendicularly on the inner wall of axle sleeve, just guide slot (38) have been seted up on the circumference lateral wall of support pole (32), the round pin axle slides and sets up on guide slot (38), makes support pole (32) synchronous rotation adjusts in sliding displacement.
7. The large-section roadway flexible support device according to claim 6, wherein the post (42) is rotatably connected to the outer guide sleeve (4), a ratchet disc (43) is fixed on the outer guide sleeve (4), the post (42) is rotatably connected with the ratchet disc (43), a top tooth (44) is rotatably arranged on the post (42), and a limiting spring is connected between the top tooth (44) and the post (42).
8. The large-section roadway flexible supporting device according to claim 1, wherein a threaded rod (13) is vertically arranged on the supporting frame (1) in a rotating mode, a sliding piece (14) is slidably arranged on the threaded rod (13) through a threaded engagement effect, and one end of the flexible supporting mechanism (2) is connected to the sliding piece (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311006349.1A CN116753008B (en) | 2023-08-11 | 2023-08-11 | Large-section roadway flexible supporting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311006349.1A CN116753008B (en) | 2023-08-11 | 2023-08-11 | Large-section roadway flexible supporting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116753008A true CN116753008A (en) | 2023-09-15 |
| CN116753008B CN116753008B (en) | 2023-10-27 |
Family
ID=87961185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311006349.1A Active CN116753008B (en) | 2023-08-11 | 2023-08-11 | Large-section roadway flexible supporting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116753008B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3206824A (en) * | 1963-02-15 | 1965-09-21 | October Corp | Apparatus for forming a tunnel |
| US3367117A (en) * | 1964-02-04 | 1968-02-06 | Gewerk Eisenhuette Westfalia | Mine roof support |
| US3863793A (en) * | 1972-12-18 | 1975-02-04 | Taiheiyo Coal Mining Co Ltd | Mining shield-supporting carrier |
| DE2431740A1 (en) * | 1974-07-02 | 1976-01-22 | Johannes Winkler | Mine shield support with roofbar control - control rod, mounting guide, shield and floor bar parallelogram linkage |
| GB2093515A (en) * | 1981-02-24 | 1982-09-02 | Dobson Park Ind | Improvements in or relating to mine roof supports |
| US4348138A (en) * | 1979-07-06 | 1982-09-07 | Charbonnages De France | Sliding supporting gallery |
| CN103643979A (en) * | 2013-07-15 | 2014-03-19 | 郑东风 | Hydraulic support used for roadway temporary support and erecting and use method of hydraulic support |
| CN104373147A (en) * | 2014-09-19 | 2015-02-25 | 郑东风 | Folding extension type roadway hydraulic bracket and application method thereof |
| CN112709587A (en) * | 2021-01-20 | 2021-04-27 | 马力 | Umbrella-shaped point column type temporary supporting structure of coal mine tunnel |
| CN114060077A (en) * | 2021-11-09 | 2022-02-18 | 济宁学院 | Quick supporting device for coal mine tunnel fault crossing |
| CN115717518A (en) * | 2022-09-08 | 2023-02-28 | 苏州中安智护安控科技有限公司 | Coal mine tunnel supporting equipment |
| CN115788521A (en) * | 2023-02-08 | 2023-03-14 | 山东省煤田地质规划勘察研究院 | Tunnel joint energy dissipation shock attenuation supporting device of prevention and cure rock burst |
| CN116398169A (en) * | 2023-05-10 | 2023-07-07 | 安徽恒源煤电股份有限公司 | Colliery tunnel prevents rock burst and unites supporting equipment |
-
2023
- 2023-08-11 CN CN202311006349.1A patent/CN116753008B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3206824A (en) * | 1963-02-15 | 1965-09-21 | October Corp | Apparatus for forming a tunnel |
| US3367117A (en) * | 1964-02-04 | 1968-02-06 | Gewerk Eisenhuette Westfalia | Mine roof support |
| US3863793A (en) * | 1972-12-18 | 1975-02-04 | Taiheiyo Coal Mining Co Ltd | Mining shield-supporting carrier |
| DE2431740A1 (en) * | 1974-07-02 | 1976-01-22 | Johannes Winkler | Mine shield support with roofbar control - control rod, mounting guide, shield and floor bar parallelogram linkage |
| US4348138A (en) * | 1979-07-06 | 1982-09-07 | Charbonnages De France | Sliding supporting gallery |
| GB2093515A (en) * | 1981-02-24 | 1982-09-02 | Dobson Park Ind | Improvements in or relating to mine roof supports |
| CN103643979A (en) * | 2013-07-15 | 2014-03-19 | 郑东风 | Hydraulic support used for roadway temporary support and erecting and use method of hydraulic support |
| CN104373147A (en) * | 2014-09-19 | 2015-02-25 | 郑东风 | Folding extension type roadway hydraulic bracket and application method thereof |
| CN112709587A (en) * | 2021-01-20 | 2021-04-27 | 马力 | Umbrella-shaped point column type temporary supporting structure of coal mine tunnel |
| CN114060077A (en) * | 2021-11-09 | 2022-02-18 | 济宁学院 | Quick supporting device for coal mine tunnel fault crossing |
| CN115717518A (en) * | 2022-09-08 | 2023-02-28 | 苏州中安智护安控科技有限公司 | Coal mine tunnel supporting equipment |
| CN115788521A (en) * | 2023-02-08 | 2023-03-14 | 山东省煤田地质规划勘察研究院 | Tunnel joint energy dissipation shock attenuation supporting device of prevention and cure rock burst |
| CN116398169A (en) * | 2023-05-10 | 2023-07-07 | 安徽恒源煤电股份有限公司 | Colliery tunnel prevents rock burst and unites supporting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116753008B (en) | 2023-10-27 |
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