CN110307019B - Supporting device for coal mine tunnel side wall - Google Patents
Supporting device for coal mine tunnel side wall Download PDFInfo
- Publication number
- CN110307019B CN110307019B CN201910618780.9A CN201910618780A CN110307019B CN 110307019 B CN110307019 B CN 110307019B CN 201910618780 A CN201910618780 A CN 201910618780A CN 110307019 B CN110307019 B CN 110307019B
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- Prior art keywords
- plate
- auxiliary supporting
- roadway
- coal mine
- support device
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- 239000003245 coal Substances 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 8
- 239000011435 rock Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/52—Extensible units located above or below standard props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a supporting device for a coal mine roadway side, wherein the supporting structure adopts a detachable structure, so that the mounting is convenient, meanwhile, auxiliary supporting assemblies at two sides of a roadway are arranged at intervals in a staggered manner, so that the supporting force can be ensured to be more balanced, and the supporting stability is ensured; the control is in two adjacent auxiliary stay subassemblies fine settings of tunnel offside with the auxiliary stay subassembly of this detection position to make the whole of protecting the roof strut the unbalanced stress of deformation as little as possible, can effectually reduce the deformation of strutting the roof, prevent to warp the stress concentration scheduling problem that too big leads to, prevent to strut the emergence of harmfulness such as collapsing.
Description
Technical Field
The invention relates to a supporting device for a coal mine roadway side, and belongs to the field of coal mine supporting.
Background
In order to prevent that tunnel and lane group from collapsing, adopt supporting device to strut more in the coal mining in-process in the pit, supporting device is mostly an domes, and the bottom plate is installed to domes's inner wall downside, struts the coal mine tunnel through domes's supporting plate or support. However, with the continuous progress of supporting and mining and the continuous influence of earth crust movement, geological deformation, mining vibration and the like, the problem that the supporting of the supporting and protecting plate is deformed and the like can be caused, if the deformation exceeds a certain value, the danger of stress concentration and further collapse and the like can easily occur, and if the deformation is found in time, the method is generally realized by increasing the supporting and protecting at present, but the method can only be used for larger deformation and cannot realize automatic processing when the deformation is smaller so as to reduce the influence of the deformation on the supporting and protecting plate to the maximum extent.
Therefore, the invention provides a more advanced supporting device for the roadway side of the coal block, so as to identify and process the deformation of the supporting plate in advance.
Disclosure of Invention
The invention aims to provide a supporting device for a coal mine roadway side, which is used for solving the problem that deformation of a supporting plate cannot be identified and processed in time in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the supporting device for the coal mine roadway walls comprises at least two side-protecting plates, a top-protecting plate, an auxiliary supporting assembly and a detection assembly which are arranged oppositely, wherein the top of the two side-protecting plates are connected and supported with the top-protecting plate in a non-integrated mode, the bottom of the coal mine roadway is also fixedly provided with a bottom plate, the auxiliary supporting assembly is arranged on the bottom plate, the auxiliary supporting assembly extends upwards so as to support the top-protecting plate, and the auxiliary supporting assembly extends downwards so as to penetrate through the bottom plate and then extend into a roadway bottom rock layer; it is characterized in that the auxiliary supporting components at the two sides of the roadway are arranged in a staggered way at intervals,
the auxiliary supporting assembly is also provided with the detection assembly, and the detection assembly can detect the height of the lower end face of the top protection plate at the position of the auxiliary supporting assembly;
the device also comprises a controller, when the height of the lower end face of the top guard plate at the position of the auxiliary supporting component detected by the detection component is not within a set threshold range, the controller can control two auxiliary supporting components which are adjacent to the auxiliary supporting component at the position and are positioned at the same side of the roadway to be finely lifted so as to improve respective auxiliary supporting force; and simultaneously, controlling the fine adjustment of two adjacent auxiliary supporting assemblies which are positioned at the opposite sides of the roadway and are positioned with the auxiliary supporting assembly at the detection position so as to ensure that the integral supporting deformation unbalanced stress of the top protecting plate is as small as possible.
Further, as preferred, supplementary supporting component includes that hydraulic pressure adjusts flexible post, installation adjustment mechanism and positioning mechanism down, wherein, the lower extreme that hydraulic pressure adjusted flexible post is provided with positioning mechanism down, the upper end that hydraulic pressure adjusted flexible post is provided with installation adjustment mechanism, the top of installation adjustment mechanism is supported and is leaned on the support protect the roof setting, positioning mechanism's lower extreme stretches into down stretch into tunnel bottom rock stratum behind the bottom plate.
Further, as preferred, installation adjustment mechanism includes screw rod, screw thread section of thick bamboo, wherein, the screw thread section of thick bamboo is integrative to be laid the upper end of hydraulic pressure regulation flexible post, just threaded connection has on the screw thread section of thick bamboo the screw rod, still be provided with the locking nut seat on the screw thread section of thick bamboo.
Further, as a preferred option, the lower positioning mechanism comprises a conical rod, wherein a pressing plate is arranged on the bottom plate, a plate groove is arranged below the threaded cylinder, the pressing plate is inserted into the plate groove, the pressing plate is of a circular plate structure, and the plate groove is of a circular groove structure.
Preferably, the upper end of the side protection plate is provided with a clamping sliding groove, the two ends of the top protection plate are provided with clamping sliding strips, and the clamping sliding strips are fixedly inserted into the clamping sliding grooves.
Further, as preferred, the side protection board is square plate structure, and the top protection board is semicircle plate structure.
Further, as preferred, the block spout is the strip groove structure of isosceles trapezoid in cross-section, the block draw runner is the strip sand grip structure of isosceles trapezoid in cross-section.
Preferably, the threaded cylinder is provided with a rotary rod, and the rotary rod is of a round rod structure.
Preferably, the bottom plate is provided with a sliding hole, a conical rod is inserted into the sliding hole, one end of the conical rod is of a circular rod structure with a conical structure, and the other end of the conical rod is connected with the pressing plate.
Further, as preferred, detection module installs on hydraulic pressure regulation telescopic column or threaded cylinder, detection module adopts optical distance meter.
Compared with the prior art, the invention has the beneficial effects that:
the supporting structure adopts a detachable structure, is convenient to install, and meanwhile, the auxiliary supporting assemblies on two sides of the roadway are arranged at intervals in a staggered mode, so that the supporting force can be ensured to be more balanced, and the supporting stability is ensured; the control is in two adjacent auxiliary stay subassemblies fine settings of tunnel offside with the auxiliary stay subassembly of this detection position to make the whole of protecting the roof strut the unbalanced stress of deformation as little as possible, can effectually reduce the deformation of strutting the roof, prevent to warp the stress concentration scheduling problem that too big leads to, prevent to strut the emergence of harmfulness such as collapsing.
Drawings
FIG. 1 is a schematic front view of the present invention
FIG. 2 is a front view partially cut-away schematic view of the present invention;
FIG. 3 is a schematic view of the arrangement of the swing arms of the present invention;
fig. 4 is a top view partially in section of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the supporting device for the coal mine roadway walls comprises at least two opposite side-protecting plates 1, a top-protecting plate 2, an auxiliary supporting assembly and a detection assembly, wherein the top-protecting plate 2 is arranged on the tops of the two side-protecting plates 1 in a non-integrated connection and support mode, a bottom plate 8 is further fixedly arranged at the bottom of the coal mine roadway, the auxiliary supporting assembly is arranged on the bottom plate 8, the auxiliary supporting assembly extends upwards so as to support the top-protecting plate 2, and the auxiliary supporting assembly extends downwards so as to penetrate through a rock stratum at the bottom of the roadway after penetrating through the bottom plate; it is characterized in that the auxiliary supporting components at the two sides of the roadway are arranged in a staggered way at intervals,
the auxiliary supporting assembly is also provided with the detection assembly 13, and the detection assembly 13 can detect the height of the lower end face of the top protection plate at the position of the auxiliary supporting assembly; the device also comprises a controller, when the height of the lower end face of the top guard plate at the position of the auxiliary supporting component detected by the detection component is not within a set threshold range, the controller can control two auxiliary supporting components which are adjacent to the auxiliary supporting component at the position and are positioned at the same side of the roadway to be finely lifted so as to improve respective auxiliary supporting force; and simultaneously, controlling the fine adjustment of two adjacent auxiliary supporting assemblies which are positioned at the opposite sides of the roadway and are positioned with the auxiliary supporting assembly at the detection position so as to ensure that the integral supporting deformation unbalanced stress of the top protecting plate is as small as possible.
In this embodiment, supplementary supporting component includes that hydraulic pressure adjusts flexible post, installation adjustment mechanism and lower positioning mechanism, wherein, the lower extreme that hydraulic pressure adjusted flexible post is provided with positioning mechanism down, the upper end that hydraulic pressure adjusted flexible post is provided with installation adjustment mechanism, the top of installation adjustment mechanism supports and supports protect the roof setting, positioning mechanism's lower extreme stretches into down stretch into tunnel bottom rock stratum behind the bottom plate.
As a preferred embodiment, the mounting and adjusting mechanism includes a screw rod 5 and a threaded cylinder, wherein the threaded cylinder is integrally arranged at the upper end of the hydraulic adjusting telescopic column, the screw rod 5 is connected to the threaded cylinder in a threaded manner, and the threaded cylinder is further provided with a locking nut seat.
The lower positioning mechanism comprises a conical rod 10, wherein a pressing plate 11 is arranged on the bottom plate 8, a plate groove 12 is arranged below the threaded cylinder 6, the pressing plate 11 is inserted into the plate groove 12, the pressing plate 11 is of a circular plate structure, and the plate groove 12 is of a circular groove structure.
The upper end of the side protection plate 1 is provided with a clamping sliding groove 3, the two ends of the top protection plate 2 are provided with clamping sliding strips 4, and the clamping sliding strips 4 are fixedly inserted into the clamping sliding groove 3. The side protection plate 1 is of a square plate structure, and the top protection plate 2 is of a semicircular plate structure.
The clamping sliding groove 3 is of a strip-shaped groove structure with an isosceles trapezoid cross section, and the clamping sliding strip 4 is of a strip-shaped convex strip structure with an isosceles trapezoid cross section. The threaded cylinder 6 is provided with a rotary rod 7, and the rotary rod 7 is of a round rod structure. The bottom plate 8 is provided with a sliding hole 9, a conical head rod 10 is inserted into the sliding hole 9, one end of the conical head rod 10 is of a circular rod structure with a conical structure, and the other end of the conical head rod 10 is connected with a pressing plate 11. The detection assembly is installed on the hydraulic adjusting telescopic column or the threaded cylinder, and the detection assembly adopts an optical distance meter.
The supporting structure adopts a detachable structure, is convenient to install, and meanwhile, the auxiliary supporting assemblies on two sides of the roadway are arranged at intervals in a staggered mode, so that the supporting force can be ensured to be more balanced, and the supporting stability is ensured; the control is in two adjacent auxiliary stay subassemblies fine settings of tunnel offside with the auxiliary stay subassembly of this detection position to make the whole of protecting the roof strut the unbalanced stress of deformation as little as possible, can effectually reduce the deformation of strutting the roof, prevent to warp the stress concentration scheduling problem that too big leads to, prevent to strut the emergence of harmfulness such as collapsing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The supporting device for the coal mine roadway walls comprises at least two side protection plates (1), a top protection plate (2), an auxiliary supporting assembly and a detection assembly which are arranged oppositely, wherein the top protection plate (2) is arranged on the top of the two side protection plates (1) in a non-integrated connection and support mode, a bottom plate (8) is further fixedly arranged at the bottom of the coal mine roadway, the auxiliary supporting assembly is arranged on the bottom plate (8), the auxiliary supporting assembly extends upwards so as to support the top protection plate (2), and the auxiliary supporting assembly extends downwards so as to penetrate through the bottom plate and then extend into a roadway bottom rock stratum; it is characterized in that the auxiliary supporting components at the two sides of the roadway are arranged in a staggered way at intervals,
the auxiliary supporting assembly is also provided with the detection assembly (13), and the detection assembly (13) can detect the height of the lower end face of the top protection plate at the position of the auxiliary supporting assembly;
the device also comprises a controller, when the height of the lower end face of the top guard plate at the position of the auxiliary supporting component detected by the detection component is not within a set threshold range, the controller can control two auxiliary supporting components which are adjacent to the auxiliary supporting component at the position and are positioned at the same side of the roadway to be finely lifted so as to improve respective auxiliary supporting force; and simultaneously, controlling the fine adjustment of two adjacent auxiliary supporting assemblies which are positioned at the opposite sides of the roadway and are positioned with the auxiliary supporting assembly at the detection position so as to ensure that the integral supporting deformation unbalanced stress of the top protecting plate is as small as possible.
2. The support device for the coal mine tunnel roadway sides according to claim 1, wherein: the auxiliary supporting assembly comprises a hydraulic adjusting telescopic column, an installing and adjusting mechanism and a lower positioning mechanism, wherein the lower end of the hydraulic adjusting telescopic column is provided with the lower positioning mechanism, the upper end of the hydraulic adjusting telescopic column is provided with the installing and adjusting mechanism, the top of the installing and adjusting mechanism is abutted against the supporting plate, the top plate is arranged, the lower end of the lower positioning mechanism extends into the roadway bottom rock stratum after the bottom plate.
3. The support device for the coal mine tunnel roadway sides according to claim 2, wherein: the installation adjusting mechanism comprises a screw rod (5) and a threaded cylinder, wherein the threaded cylinder is integrally arranged at the upper end of the hydraulic adjustment telescopic column, the threaded cylinder is in threaded connection with the screw rod (5), and a locking nut seat is further arranged on the threaded cylinder.
4. The support device for the coal mine tunnel roadway sides according to claim 3, wherein: the lower positioning mechanism comprises a conical head rod (10), wherein a pressing plate (11) is arranged on the bottom plate (8), a plate groove (12) is arranged below the threaded cylinder (6), the pressing plate (11) is inserted into the plate groove (12), the pressing plate (11) is of a circular plate structure, and the plate groove (12) is of a circular groove structure.
5. The support device for the coal mine tunnel roadway sides according to claim 2, wherein: the upper end of the side protection plate (1) is provided with a clamping sliding groove (3), the two ends of the top protection plate (2) are provided with clamping sliding strips (4), and the clamping sliding strips (4) are fixedly inserted into the clamping sliding groove (3).
6. The support device for the coal mine tunnel roadway sides according to claim 2, wherein: the side protection plate (1) is of a square plate structure, and the top protection plate (2) is of a semicircular plate structure.
7. The support device for the coal mine tunnel roadway sides according to claim 5, wherein: the clamping sliding groove (3) is of a strip groove structure with an isosceles trapezoid cross section, and the clamping sliding strip (4) is of a strip convex strip structure with an isosceles trapezoid cross section.
8. The support device for the coal mine tunnel roadway sides according to claim 3, wherein: the threaded cylinder (6) is provided with a rotary rod (7), and the rotary rod (7) is of a round rod structure.
9. The support device for the coal mine tunnel roadway sides according to claim 2, wherein: the base plate (8) is provided with a sliding hole (9), a conical head rod (10) is inserted into the sliding hole (9), one end of the conical head rod (10) is of a circular rod structure with a conical structure, and the other end of the conical head rod (10) is connected with a pressing plate (11).
10. The support device for the coal mine tunnel roadway sides according to claim 4, wherein: the detection assembly is installed on the hydraulic adjusting telescopic column or the threaded cylinder, and the detection assembly adopts an optical distance meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618780.9A CN110307019B (en) | 2019-07-10 | 2019-07-10 | Supporting device for coal mine tunnel side wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618780.9A CN110307019B (en) | 2019-07-10 | 2019-07-10 | Supporting device for coal mine tunnel side wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110307019A CN110307019A (en) | 2019-10-08 |
| CN110307019B true CN110307019B (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910618780.9A Active CN110307019B (en) | 2019-07-10 | 2019-07-10 | Supporting device for coal mine tunnel side wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110307019B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2087953A (en) * | 1980-10-25 | 1982-06-03 | Ruhrkohle Ag | Cutter shield for provisionally lining a gallery |
| CN103104267A (en) * | 2013-02-18 | 2013-05-15 | 范炳辉 | Soft rock roadway whole digging shield support |
| CN103835732A (en) * | 2012-11-21 | 2014-06-04 | 西安众智惠泽光电科技有限公司 | Supporting force automatically adjusting type hydraulic supporting monitoring system for tunnel roof |
| CN204436415U (en) * | 2015-02-04 | 2015-07-01 | 安徽省皖北煤电集团有限责任公司百善煤矿 | A kind of coal mine tunnel suspension device |
| CN108412521A (en) * | 2018-03-16 | 2018-08-17 | 合肥托卡拉图科技有限公司 | Supporting arch door gear and its installation method for mine tunnel |
| CN207795286U (en) * | 2018-01-29 | 2018-08-31 | 裴春敏 | A kind of temporary supporter for mine tunnel |
| CN208252136U (en) * | 2018-06-04 | 2018-12-18 | 祖培涛 | Safety device is used in a kind of mining |
| CN109723461A (en) * | 2019-03-20 | 2019-05-07 | 济宁学院 | A kind of coal mine tunnel suspension device |
-
2019
- 2019-07-10 CN CN201910618780.9A patent/CN110307019B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2087953A (en) * | 1980-10-25 | 1982-06-03 | Ruhrkohle Ag | Cutter shield for provisionally lining a gallery |
| CN103835732A (en) * | 2012-11-21 | 2014-06-04 | 西安众智惠泽光电科技有限公司 | Supporting force automatically adjusting type hydraulic supporting monitoring system for tunnel roof |
| CN103104267A (en) * | 2013-02-18 | 2013-05-15 | 范炳辉 | Soft rock roadway whole digging shield support |
| CN204436415U (en) * | 2015-02-04 | 2015-07-01 | 安徽省皖北煤电集团有限责任公司百善煤矿 | A kind of coal mine tunnel suspension device |
| CN207795286U (en) * | 2018-01-29 | 2018-08-31 | 裴春敏 | A kind of temporary supporter for mine tunnel |
| CN108412521A (en) * | 2018-03-16 | 2018-08-17 | 合肥托卡拉图科技有限公司 | Supporting arch door gear and its installation method for mine tunnel |
| CN208252136U (en) * | 2018-06-04 | 2018-12-18 | 祖培涛 | Safety device is used in a kind of mining |
| CN109723461A (en) * | 2019-03-20 | 2019-05-07 | 济宁学院 | A kind of coal mine tunnel suspension device |
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| CN110307019A (en) | 2019-10-08 |
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