CN111456768A - Supporting device and method for mine roadway - Google Patents
Supporting device and method for mine roadway Download PDFInfo
- Publication number
- CN111456768A CN111456768A CN202010317065.4A CN202010317065A CN111456768A CN 111456768 A CN111456768 A CN 111456768A CN 202010317065 A CN202010317065 A CN 202010317065A CN 111456768 A CN111456768 A CN 111456768A
- Authority
- CN
- China
- Prior art keywords
- arch
- supporting
- pressing
- pressure
- rod
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 126
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 101150097977 arch-1 gene Proteins 0.000 description 7
- 239000003245 coal Substances 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a supporting device and a method for a mine roadway, wherein the supporting device comprises a supporting arch, a pressure bearing mechanism, an upper jacking mechanism, a side jacking mechanism and a fixing mechanism, wherein the supporting arch is in an inverted U shape, and the fixing mechanism is transversely arranged in the middle of the supporting arch in a penetrating manner; the pressure-bearing mechanism is arranged at the upper end of the outer side of the support arch and is positioned at the arch top of the support arch; the upper jacking mechanism is arranged on the upper side of the fixing mechanism and is positioned below the arch crown of the support arch; the two side jacking mechanisms are symmetrically arranged at the left end and the right end of the middle part of the supporting arch; the supporting method of the supporting device realizes the supporting of the mine roadway through a plurality of steps. The supporting device for the mine roadway can support and protect the roadway through the supporting arch on the top of the top mechanism when the mine pressure is increased, and meanwhile, the supporting device for the mine roadway continuously inserts into the wall of the roadway through the lateral pressing mechanism, so that the supporting device further has good supporting and fixing effects.
Description
Technical Field
The invention relates to a supporting device and a supporting method, in particular to a supporting device and a supporting method for a mine roadway.
Background
During coal mining, workers are required to go deep into the ground to excavate deeper and extremely long roadways, so that the workers and machinery can enter the ground to mine the coal.
The mining of mine coal needs to support the protection to the tunnel, and the position utilizes strutting arrangement to support spacingly for the roof everywhere in the tunnel promptly to alleviate the gravity extrusion that ground self gave the tunnel, and thus reduce the occurence of failure that the tunnel collapses.
In recent years, with the increase of coal mining depth and the improvement of mechanical level, the section of a stoping roadway is gradually increased, and the mine pressure is gradually increased. The bending resistance and the twisting resistance of present supporting device are weak, and after pressure increased to certain degree, destruction phenomena such as skew appears easily, buckling, deformation, strut the effect poor, can not maintain the stability of tunnel rock mass well, strut factor of safety low, take place accident such as tunnel collapse easily.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a supporting device and a supporting method for a mine roadway.
In order to solve the technical problems, the invention adopts the technical scheme that: a supporting device for a mine roadway comprises a supporting arch, a pressure bearing mechanism, an upper jacking mechanism, a side jacking mechanism and a fixing mechanism, wherein the supporting arch is in an inverted U shape, and the fixing mechanism transversely penetrates through the middle of the supporting arch;
the pressure-bearing mechanism is arranged at the upper end of the outer side of the support arch and is positioned at the arch top of the support arch; the upper jacking mechanism is arranged on the upper side of the fixing mechanism and is positioned below the arch crown of the support arch; the two side jacking mechanisms are symmetrically arranged at the left end and the right end of the middle part of the supporting arch;
the fixing mechanism is a hollow tubular structure with two closed ends, and a pressure mechanism is arranged on the fixing mechanism; the pressure mechanism comprises a pressing mechanism and a side pressing mechanism, and the pressing mechanism is arranged in the middle of the fixing mechanism; the two lateral pressing mechanisms are symmetrically arranged on the left side and the right side of the pressing mechanism and are respectively connected with lateral jacking mechanisms positioned at the left end and the right end of the supporting arch;
the pressing mechanism comprises a sleeve and a pressing piston, the sleeve is fixedly arranged in the middle of the fixing mechanism, and the upper end of the sleeve is connected with a transmission device; hydraulic oil is filled in the sleeve, and the lower ends of the left side and the right side of the sleeve are symmetrically provided with flow holes; the lower pressing piston is arranged in the sleeve, the top of the piston of the lower pressing piston faces downwards, and the upper end of the lower pressing piston is fixedly connected with a lower pressing rod which is vertically arranged; the upper end of the lower pressure lever is connected with an arc-shaped sheet of the pressure-bearing device through a lower moving ring, and the lower moving ring is movably sleeved at the arch crown of the supporting arch and can move vertically;
the side pressing mechanism comprises a side pressing piston and a side shifting ring, the side pressing piston is arranged in a pipe of the fixing mechanism, and the top of the piston faces the downward pressing mechanism; one end of the side pressure piston, which is back to the top of the piston, is fixedly connected with a side shift rod arranged along the transverse direction, the other end of the side shift rod is connected with a side jacking mechanism through a side shift ring, and the side shift ring is movably sleeved in the middle of the support arch and can move along the transverse direction;
the transmission device comprises a fixed box body, a gear and a connecting rod, the fixed box body is fixedly arranged at the upper end of the sleeve, and the gear is rotatably fixed inside the fixed box body; the two gears are symmetrically arranged on the left side and the right side of the lower pressing rod; first teeth matched with the gear are arranged on the left side wall and the right side wall of the lower pressing rod; the connecting rods are two, the two connecting rods are symmetrically arranged on one side, away from the two gears, of the inner side wall of each connecting rod, second teeth matched with the gears are arranged on the inner side wall of each connecting rod, the upper ends of the connecting rods are fixedly connected with an arc top plate of the upper ejection mechanism, and the lower ends of the connecting rods are connected with the fixed box body through springs
The side jacking mechanism comprises an anchor rod, a side anchor and a mounting seat, wherein the mounting seat is arranged on the outer side of the support arch, and the inner end of the mounting seat is fixedly connected with the side shifting ring; the anchor rod is transversely and fixedly arranged in the middle of the outer end of the mounting seat, a conical head is arranged at the outer end of the anchor rod, and an anti-loosening conical head is arranged at the inner end of the anchor rod; the limit anchor sets up on the outer end of mount pad along horizontal fixed, and the limit anchor is two, and two limit anchor symmetries set up in upside, the downside of stock.
Furthermore, the upper end of the downward moving ring is fixedly connected with the arc-shaped sheet, and the lower end of the downward moving ring is fixedly connected with the lower pressing rod.
And furthermore, the two connecting rods are connected through a connecting block.
Furthermore, the upper end of the lower pressing rod penetrates through the connecting block and the arc-shaped top plate upwards in sequence and then is connected with the downward moving ring.
Furthermore, the outer side of the supporting arch is sleeved with a protective sleeve.
Furthermore, the outer end of the side shift ring penetrates through the side wall of the pipe of the fixing mechanism and then is fixedly connected with the mounting seat; a sealing component is arranged between the side shift ring and the pipe side wall of the fixing mechanism.
A supporting method of a supporting device for a mine roadway comprises the following steps:
when the mine pressure is increased, the upper end of the supporting arch can deform and distort, so that the arc-shaped sheet of the pressure-bearing mechanism moves downwards to drive the downward moving ring to move downwards, and further drive the downward pressing rod to move downwards; when the lower pressure rod moves downwards, the first teeth on the lower pressure rod move downwards to drive the gear to rotate, the gear rotates to drive the connecting rod to move upwards through the second teeth meshed with the gear, and then the connecting rod moves upwards to drive the arc-shaped top plate of the upper ejection mechanism to move upwards, so that the supporting arch is supported;
when the mine pressure is too high, the lower pressing rod moves downwards all the time, and then the lower pressing piston is driven to move downwards to press hydraulic oil in the sleeve into a pipe of the fixing mechanism continuously, so that two side pressing pistons in the fixing mechanism move towards the direction away from each other, the side pressing pistons drive the side jacking device to move outwards through the side moving rods and the side moving rings, anchor rods and side anchors of the side jacking device are continuously inserted into the wall of the roadway, and the side jacking device can play a good supporting and fixing role.
The supporting device for the mine roadway can support and protect the roadway through the supporting arch on the top of the top mechanism when the mine pressure is increased, and meanwhile, the supporting device is continuously inserted into the roadway wall through the lateral pressing mechanism, so that the supporting device further has good supporting and fixing effects, and the safety coefficient is higher.
Drawings
Fig. 1 is a schematic structural view of a support device for a mine tunnel.
Fig. 2 is an enlarged view of a portion of the transmission mechanism of fig. 1.
Fig. 3 is a partially enlarged view of the pressure receiving mechanism in fig. 1.
Fig. 4 is a partially enlarged view of the lateral pressing mechanism in fig. 1.
In the figure: 1. a support arch; 2. a pressure-bearing mechanism; 21. an arc-shaped sheet;
3. a jacking mechanism; 31. an arc-shaped top plate;
4. a side jacking mechanism; 41. an anchor rod; 42. side anchors; 43. a mounting seat; 44. a conical head; 45. a locking conical head;
5. a fixing mechanism; 6. a protective sleeve;
7. a transmission device; 71. fixing the box body; 72. a gear; 73. a connecting rod; 74. connecting blocks; 75. a spring;
8. a pressing mechanism; 81. a sleeve; 82. pressing down the piston; 83. a lower pressure lever; 84. a downward moving ring;
9. a lateral pressing mechanism; 91. laterally pressing the piston; 92. laterally moving the elliptical ring; 93. a side shift lever.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the supporting device for the mine roadway comprises a supporting arch 1, a pressure bearing mechanism 2, an upper jacking mechanism 3, a side jacking mechanism 4 and a fixing mechanism 5, wherein the supporting arch 1 is in an inverted U shape, and the fixing mechanism 5 is transversely arranged in the middle of the supporting arch 1 in a penetrating manner; the outer side of the supporting arch 1 is sleeved with a protective sleeve 6.
As shown in fig. 3, the pressure-bearing mechanism 2 is arranged at the upper end of the outer side of the support arch 1, and the pressure-bearing mechanism 2 is positioned at the arch top of the support arch 1; the upper jacking mechanism 3 is arranged on the upper side of the fixing mechanism 5 and is positioned below the arch crown of the supporting arch; the two side jacking mechanisms 4 are symmetrically arranged at the left end and the right end of the middle part of the supporting arch 1;
the fixing mechanism 5 is a hollow tubular structure with two closed ends, and a pressure mechanism is arranged on the fixing mechanism 5; the pressure mechanism comprises a pressing mechanism 8 and a side pressing mechanism 9, and the pressing mechanism 8 is arranged in the middle of the fixing mechanism 5; the two lateral pressing mechanisms 9 are symmetrically arranged on the left side and the right side of the pressing mechanism 8 and are respectively connected with lateral jacking mechanisms positioned at the left end and the right end of the supporting arch;
the pressing mechanism 8 comprises a sleeve 81 and a pressing piston 82, the sleeve 81 is fixedly arranged in the middle of the fixing mechanism 5, and the upper end of the sleeve 81 is connected with the transmission device 7; hydraulic oil is filled in the sleeve 81, and the lower ends of the left side and the right side of the sleeve are symmetrically provided with flow holes; the downward-pressing piston 82 is arranged in the sleeve 81, the top of the piston faces downwards, and the upper end of the downward-pressing piston 82 is fixedly connected with a downward-pressing rod 83 which is vertically arranged; the upper end of the lower pressure lever 83 is connected with the arc-shaped sheet 21 of the pressure-bearing device through a downward moving ring 84, and the downward moving ring 84 is movably sleeved at the arch crown of the supporting arch and can move vertically; the upper end of the downward moving ring 84 is fixedly connected with the arc-shaped piece 21, and the lower end is fixedly connected with the downward pressing rod 83.
As shown in fig. 4, the side pressing mechanism 9 includes a side pressing piston 91, a side shifting ring 92, the side pressing piston 91 is disposed in the tube of the fixed mechanism with its piston top facing the press-down mechanism; one end of the side pressure piston 91, which is opposite to the top of the piston, is fixedly connected with a side shift rod 93 which is arranged along the transverse direction, the other end of the side shift rod 93 is connected with a side jacking mechanism through a side shift ring 92, and the side shift ring 92 is movably sleeved at the middle part of the support arch and can move along the transverse direction;
as shown in fig. 2, the transmission device 7 includes a fixed box 71, a gear 72, and a connecting rod 73, the fixed box 71 is fixedly disposed at the upper end of the sleeve 81, and the gear 72 is rotatably fixed inside the fixed box 71; two gears 72 are symmetrically arranged on the left side and the right side of the lower pressure rod 83; the left side wall and the right side wall of the lower pressure rod 83 are both provided with first teeth matched with the gear 72; two connecting rods 73 are symmetrically arranged on one side of the two gears far away from each other, and the two connecting rods are connected through a connecting block 74. Be provided with on the inside wall of connecting rod with gear matched with second tooth, the upper end of connecting rod is fixed continuous with the arc roof 31 of mechanism of pushing up, and the lower extreme of connecting rod is connected with fixed box through spring 75. The upper end of the lower pressure lever 83 sequentially penetrates through the connecting block 74 and the arc-shaped top plate 31 upwards and then is connected with the downward moving ring 84.
The side jacking mechanism 4 comprises an anchor rod 41, a side anchor 42 and a mounting seat 43, wherein the mounting seat 43 is arranged on the outer side of the support arch, and the inner end of the mounting seat is fixedly connected with the side shifting ring; the outer end of the side shift ring 92 penetrates through the side wall of the pipe of the fixing mechanism and then is fixedly connected with the mounting seat 43; a sealing member is provided between side-shift ring 92 and the pipe side wall of the fixing mechanism. The anchor rod 41 is transversely and fixedly arranged in the middle of the outer end of the mounting seat, the outer end of the anchor rod 41 is provided with a conical head 44, and the inner end of the anchor rod is provided with a locking conical head 45; the limit anchor 42 is along transversely fixedly setting up on the outer end of mount pad, and limit anchor 42 is two, and two limit anchors symmetry set up in upside, the downside of stock.
A supporting method of a supporting device for a mine roadway comprises the following steps:
when the mine pressure is increased, the upper end of the supporting arch can deform and distort, so that the arc-shaped sheet of the pressure-bearing mechanism moves downwards to drive the downward moving ring to move downwards, and further drive the downward pressing rod to move downwards; when the lower pressure rod moves downwards, the first teeth on the lower pressure rod move downwards to drive the gear to rotate, the gear rotates to drive the connecting rod to move upwards through the second teeth meshed with the gear, and then the connecting rod moves upwards to drive the arc-shaped top plate of the upper ejection mechanism to move upwards, so that the supporting arch is supported;
when the mine pressure is too high, the lower pressing rod moves downwards all the time, and then the lower pressing piston is driven to move downwards to press hydraulic oil in the sleeve into a pipe of the fixing mechanism continuously, so that two side pressing pistons in the fixing mechanism move towards the direction away from each other, the side pressing pistons drive the side jacking device to move outwards through the side moving rods and the side moving rings, anchor rods and side anchors of the side jacking device are continuously inserted into the wall of the roadway, and the side jacking device can play a good supporting and fixing role.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.
Claims (8)
1. The utility model provides a supporting device for mine tunnel which characterized in that: the supporting arch structure comprises a supporting arch (1), a pressure bearing mechanism (2), an upper jacking mechanism (3), a side jacking mechanism (4) and a fixing mechanism (5), wherein the supporting arch (1) is in an inverted U shape, and the fixing mechanism (5) transversely penetrates through the middle of the supporting arch (1);
the pressure-bearing mechanism (2) is arranged at the upper end of the outer side of the support arch (1), and the pressure-bearing mechanism (2) is positioned at the arch crown of the support arch (1); the upper jacking mechanism (3) is arranged on the upper side of the fixing mechanism (5) and is positioned below the arch crown of the support arch; the two side jacking mechanisms (4) are symmetrically arranged at the left end and the right end of the middle part of the support arch (1);
the fixing mechanism (5) is a hollow tubular structure with two closed ends, and a pressure mechanism is arranged on the fixing mechanism (5); the pressure mechanism comprises a pressing mechanism (8) and a side pressing mechanism (9), and the pressing mechanism (8) is arranged in the middle of the fixing mechanism (5); the two side pressing mechanisms (9) are symmetrically arranged on the left side and the right side of the pressing mechanism (8) and are respectively connected with side jacking mechanisms positioned at the left end and the right end of the supporting arch;
the pressing mechanism (8) comprises a sleeve (81) and a pressing piston (82), the sleeve (81) is fixedly arranged in the middle of the fixing mechanism (5), and the upper end of the sleeve (81) is connected with a transmission device (7); hydraulic oil is filled in the sleeve (81), and the lower ends of the left side and the right side of the sleeve are symmetrically provided with flow holes; the downward pressing piston (82) is arranged in the sleeve (81), the top of the piston faces downwards, and the upper end of the downward pressing piston (82) is fixedly connected with a downward pressing rod (83) which is vertically arranged; the upper end of the lower pressure lever (83) is connected with an arc-shaped sheet (21) of the pressure-bearing device through a downward moving ring (84), and the downward moving ring (84) is movably sleeved at the arch crown of the support arch and can move vertically;
the side pressure mechanism (9) comprises a side pressure piston (91) and a side displacement ring (92), the side pressure piston (91) is arranged in a tube of the fixing mechanism, and the top of the piston faces the pressing mechanism; one end of the side pressure piston (91) opposite to the top of the piston is fixedly connected with a side shift rod (93) which is arranged along the transverse direction, the other end of the side shift rod (93) is connected with a side jacking mechanism through a side shift ring (92), and the side shift ring (92) is movably sleeved at the middle part of the support arch and can move along the transverse direction;
the transmission device (7) comprises a fixed box body (71), a gear (72) and a connecting rod (73), the fixed box body (71) is fixedly arranged at the upper end of the sleeve (81), and the gear (72) is rotatably fixed in the fixed box body (71); the number of the gears (72) is two, and the two gears are symmetrically arranged on the left side and the right side of the lower pressing rod (83); the left side wall and the right side wall of the lower pressing rod (83) are respectively provided with a first tooth matched with the gear (72); the connecting rods (73) are two, the two connecting rods are symmetrically arranged on one side, away from the two gears, of the inner side wall of each connecting rod, second teeth matched with the gears are arranged on the inner side wall of each connecting rod, the upper ends of the connecting rods are fixedly connected with an arc-shaped top plate (31) of the upper ejection mechanism, and the lower ends of the connecting rods are connected with the fixed box body through springs (75).
2. The support device for mine roadways according to claim 1, characterized in that: the side jacking mechanism (4) comprises an anchor rod (41), a side anchor (42) and a mounting seat (43), wherein the mounting seat (43) is arranged on the outer side of the support arch, and the inner end of the mounting seat is fixedly connected with the side shifting ring; the anchor rod (41) is transversely and fixedly arranged in the middle of the outer end of the mounting seat, a conical head (44) is arranged at the outer end of the anchor rod (41), and an anti-loosening conical head (45) is arranged at the inner end of the anchor rod; the side anchors (42) are transversely and fixedly arranged at the outer ends of the mounting seats, the number of the side anchors (42) is two, and the two side anchors are symmetrically arranged at the upper side and the lower side of the anchor rod.
3. The support device for mine roadways according to claim 2, characterized in that: the upper end of the downward moving ring (84) is fixedly connected with the arc-shaped sheet (21), and the lower end is fixedly connected with the downward pressing rod (83).
4. The support device for mine roadways according to claim 3, characterized in that: the two connecting rods are connected through a connecting block (74).
5. The support device for mine roadways according to claim 4, characterized in that: the upper end of the lower pressure rod (83) penetrates through the connecting block (74) and the arc-shaped top plate (31) upwards in sequence and then is connected with the downward moving ring (84).
6. The support device for mine roadways according to claim 5, characterized in that: the outer side of the supporting arch (1) is sleeved with a protective sleeve (6).
7. The support device for mine roadways according to claim 6, characterized in that: the outer end of the side shift ring (92) penetrates through the side wall of the pipe of the fixing mechanism and then is fixedly connected with the mounting seat (43); a sealing member is provided between the side shift ring (92) and the pipe side wall of the fixing mechanism.
8. A supporting method of a supporting device for a mine tunnel according to claim 1, characterized in that: the method comprises the following steps:
when the mine pressure is increased, the upper end of the supporting arch can deform and distort, so that the arc-shaped sheet of the pressure-bearing mechanism moves downwards to drive the downward moving ring to move downwards, and further drive the downward pressing rod to move downwards; when the lower pressure rod moves downwards, the first teeth on the lower pressure rod move downwards to drive the gear to rotate, the gear rotates to drive the connecting rod to move upwards through the second teeth meshed with the gear, and then the connecting rod moves upwards to drive the arc-shaped top plate of the upper ejection mechanism to move upwards, so that the supporting arch is supported;
when the mine pressure is too high, the lower pressing rod moves downwards all the time, and then the lower pressing piston is driven to move downwards to press hydraulic oil in the sleeve into a pipe of the fixing mechanism continuously, so that two side pressing pistons in the fixing mechanism move towards the direction away from each other, the side pressing pistons drive the side jacking device to move outwards through the side moving rods and the side moving rings, anchor rods and side anchors of the side jacking device are continuously inserted into the wall of the roadway, and the side jacking device can play a good supporting and fixing role.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010317065.4A CN111456768A (en) | 2020-04-21 | 2020-04-21 | Supporting device and method for mine roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010317065.4A CN111456768A (en) | 2020-04-21 | 2020-04-21 | Supporting device and method for mine roadway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111456768A true CN111456768A (en) | 2020-07-28 |
Family
ID=71681993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010317065.4A Pending CN111456768A (en) | 2020-04-21 | 2020-04-21 | Supporting device and method for mine roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111456768A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127931A (en) * | 2020-09-25 | 2020-12-25 | 温州源铭振跃科技有限公司 | Supporting device for traffic engineering tunnel construction |
| CN113482669A (en) * | 2021-08-10 | 2021-10-08 | 吴月晨 | Urban underground space engineering excavation supporting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852083A (en) * | 2010-04-16 | 2010-10-06 | 中国科学院武汉岩土力学研究所 | Quick supporting method for large-deformation roadway easy to fall, break and loosen and apparatus thereof |
| CN104594926A (en) * | 2014-11-27 | 2015-05-06 | 太原理工大学 | Rapid composite roof roadway support method for high-stress water guiding karst cave group |
| CN204532363U (en) * | 2014-12-31 | 2015-08-05 | 龙口矿业集团有限公司 | The built-up arch suspension device in tunnel |
| CN108894806A (en) * | 2018-06-27 | 2018-11-27 | 王欣 | A kind of coal mine roadway safety support device |
| CN109057818A (en) * | 2018-08-14 | 2018-12-21 | 武汉科技大学 | A kind of combining anchor method for protecting support of mine high stress and soft rock mine roadway |
-
2020
- 2020-04-21 CN CN202010317065.4A patent/CN111456768A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852083A (en) * | 2010-04-16 | 2010-10-06 | 中国科学院武汉岩土力学研究所 | Quick supporting method for large-deformation roadway easy to fall, break and loosen and apparatus thereof |
| CN104594926A (en) * | 2014-11-27 | 2015-05-06 | 太原理工大学 | Rapid composite roof roadway support method for high-stress water guiding karst cave group |
| CN204532363U (en) * | 2014-12-31 | 2015-08-05 | 龙口矿业集团有限公司 | The built-up arch suspension device in tunnel |
| CN108894806A (en) * | 2018-06-27 | 2018-11-27 | 王欣 | A kind of coal mine roadway safety support device |
| CN109057818A (en) * | 2018-08-14 | 2018-12-21 | 武汉科技大学 | A kind of combining anchor method for protecting support of mine high stress and soft rock mine roadway |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127931A (en) * | 2020-09-25 | 2020-12-25 | 温州源铭振跃科技有限公司 | Supporting device for traffic engineering tunnel construction |
| CN113482669A (en) * | 2021-08-10 | 2021-10-08 | 吴月晨 | Urban underground space engineering excavation supporting device |
| CN113482669B (en) * | 2021-08-10 | 2024-01-16 | 吴月晨 | Urban underground space engineering excavation supporting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111456768A (en) | Supporting device and method for mine roadway | |
| CN106869797A (en) | A kind of expanding method of the broaching equipment on construction site | |
| CN111042127B (en) | Construction method of energy-consumption self-recovery pressure type anchor rod | |
| CN111425231A (en) | Long and short anchor cable coordinated energy absorption yielding device and construction method | |
| CN111927515A (en) | Shear-resistant energy-absorbing scour-proof resistance-increasing anchor cable and thick-roof coal roadway branch-unloading coupling scour-proof method | |
| CN114934800A (en) | Spring lock type constant-resistance energy-absorbing anchor cable and use method thereof | |
| CN212250055U (en) | Anti-seismic energy dissipation and shock absorption node structure of shield tunnel | |
| CN217925730U (en) | Reaming drilling rod mechanical device in deep foundation pit supporting anchor rod pore-forming | |
| CN101250979A (en) | Rockbolt drilling machine | |
| CN115059122B (en) | Pile foundation anti-freezing and anti-pulling device | |
| CN114517702A (en) | Circulating type energy-absorbing yielding large-deformation anchoring device and using method thereof | |
| CN214787478U (en) | Recoverable hydraulic yielding anchor rod | |
| CN203515613U (en) | Structure for connecting ejector rods between steel tube concrete supports | |
| CN212837626U (en) | Low-damping drilling shock absorber | |
| CN212054727U (en) | Pavilion type shield plate support | |
| CN114753379A (en) | Deep foundation pit supporting structure and deep foundation pit construction method | |
| CN208605194U (en) | A kind of effective top cover of jacking construction tool | |
| CN211472504U (en) | Concrete bored concrete pile pipe drill way fixing device | |
| CN216974852U (en) | Supporting pressure relief structure of rock burst tunnel | |
| CN212898311U (en) | Vibration-damping hydraulic pressure device | |
| CN115030761B (en) | Tunnel portal supporting equipment for preventing impact of earthquake landslide and rockfall and using method | |
| CN217352111U (en) | Precast column pile structure | |
| CN216642162U (en) | Novel energy-absorbing anchor rod assembly | |
| CN204627417U (en) | A kind of for the spiral arm diameter-enlarging drill bit in Grouting Pile Engineering of Drilling Hole | |
| CN219864871U (en) | Bidirectional spiral extrusion-expansion drill bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200728 |