CN112377226B - Rock burst protective bracket with monitoring function - Google Patents
Rock burst protective bracket with monitoring function Download PDFInfo
- Publication number
- CN112377226B CN112377226B CN202011105727.8A CN202011105727A CN112377226B CN 112377226 B CN112377226 B CN 112377226B CN 202011105727 A CN202011105727 A CN 202011105727A CN 112377226 B CN112377226 B CN 112377226B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- roadway
- rock burst
- dovetail guide
- top plate
- 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.)
- Expired - Fee Related
Links
- 239000011435 rock Substances 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 title claims description 10
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 abstract description 6
- 239000003245 coal Substances 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 241000397426 Centroberyx lineatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- E21D15/46—Telescopic props with load-measuring devices; with alarm devices
-
- 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
- E21D15/14—Telescopic props
- E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lining And Supports For Tunnels (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to an rock burst protection support with a monitoring function, which belongs to the technical field of rock burst protection devices and comprises a roadway and a protection support, wherein the roadway is in an inverted U shape, the protection support is arranged in the roadway and comprises a top plate, side plates and a base, the base is fixedly connected to the ground plane of the roadway and respectively close to two parallel side walls of the roadway, the side plates are connected with the base in a sliding manner, the top plate is arranged in an acute angle, the side walls of the top plate are connected with the side plates on the bases on two sides in a sliding manner, the side plates are connected with supporting rods, cylinder bodies of the supporting rods are fixedly connected with the side plates, and piston rods of the supporting rods are fixedly connected with the top plate. During normal production, the bracing piece supports the roof, guarantees to have sufficient production transportation space in the tunnel, and when taking place rock burst in the tunnel, the rubble of top whereabouts is pressing the roof and is moving down or the rubble of tunnel both sides is pressing the curb plate and is moving to the centre, and roof and curb plate play the effect of secondary support protection, powerful guarantee staff's life safety.
Description
Technical Field
The invention relates to the technical field of rock burst protection devices, in particular to a rock burst protection bracket with a monitoring function.
Background
Rock burst is a sudden failure in a body of rock in an open space. Rock burst is a great risk factor in the coal mining process, not only can cause loss to enterprise production, but also seriously threatens the production safety of workers. Many people think that impact only occurs on the coal mining face, but from the point of view of the actual occurrence of rock burst, rock burst occurs not only at the coal mining face but also in the roadway. The protection of rock burst in the roadway is easy to ignore, but once the rock burst occurs in the roadway, the support can be damaged, the roadway is blocked, and a contact channel between a mine worker and the outside is cut off, so that the protection and the monitoring of the rock burst in the roadway are not ignored, the safe operation of coal mining is ensured, and meanwhile, the well time is won for the worker.
Disclosure of Invention
The invention aims at the problems in the prior art and provides an rock burst protection bracket with a monitoring function, which is realized by the following technical scheme:
the utility model provides a rock burst protective cradle with monitor function, includes tunnel and protective cradle, the tunnel is the type of falling U, protective cradle sets up in the tunnel, protective cradle includes roof, curb plate and base, base fixed connection just is close to the lateral wall of two parallels in tunnel respectively on the horizon in tunnel, the curb plate slides with the base and is connected, the roof is the acute angle setting, the lateral wall of roof slides with the curb plate on the base of both sides and is connected, the curb plate is connected with the bracing piece, the cylinder body and the curb plate fixed connection of bracing piece, the piston rod and the roof fixed connection of bracing piece.
The invention is further configured to: the utility model discloses a quick-witted roof, including roof lateral wall, curb plate, first forked tail guide rail of fixedly connected with on the roof lateral wall, first forked tail guide slot has been seted up to one side that the curb plate is close to the roof, first forked tail guide rail slides and connects in first forked tail guide slot, terminal surface fixedly connected with second forked tail guide rail under the curb plate, second forked tail guide slot has been seted up to the base up end, second forked tail guide rail slides and connects in second forked tail guide slot.
The invention is further configured to: the upper end face of the second dovetail guide rail is fixedly connected with a triangular reinforcing rib, and the other side wall of the reinforcing rib is fixedly connected with the side wall of the side plate.
The invention is further configured to: one side fixedly connected with that the tunnel lateral wall is kept away from to the second forked tail guide slot is used for monitoring the displacement sensor of second forked tail guide rail position, the displacement sensor electricity is connected with data processor, be provided with the communication basic station in the tunnel, displacement sensor detects displacement signal and handles the back through the data processor and sends signal to aboveground through the communication basic station.
The invention is further configured to: the side wall of the base, which is far away from the side wall of the roadway, is provided with a groove, a coil spring is fixedly connected in the groove, dustproof cloth is fixedly connected to the free end of the coil spring, and one end, which is far away from the coil spring, of the dustproof cloth is fixedly connected with the side plate.
In conclusion, the beneficial technical effects of the invention are as follows:
during normal production, the bracing piece supports the roof, guarantees to have sufficient production transportation space in the tunnel, and when taking place rock burst in the tunnel, the rubble of top whereabouts is pressing the roof and is moving down or the rubble of tunnel both sides is pressing the curb plate and is moving to the centre, and roof and curb plate play the effect of secondary support protection, powerful guarantee staff's life safety.
Drawings
FIG. 1 is a schematic view of a normal supporting structure of the present embodiment;
FIG. 2 is an exploded view for showing the protective bracket;
FIG. 3 is a top view for showing a base;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a front view for showing the normal support of the present embodiment;
FIG. 7 is a front view for showing the compression of the present embodiment;
fig. 8 is a flow chart for showing signal feedback in the present embodiment.
Reference numerals: 100. a roadway; 200. a protective bracket; 201. a top plate; 202. a side plate; 203. a base; 204. a support bar; 205. a first dovetail rail; 206. a first dovetail guide slot; 207. a second dovetail rail; 208. a second dovetail guide slot; 209. reinforcing ribs; 210. a displacement sensor; 211. a groove; 212. a coil spring; 213. dustproof cloth.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples
As shown in fig. 1-8, for the rock burst protection bracket with a monitoring function disclosed by the invention, the rock burst protection bracket comprises a roadway 100 and a protection bracket 200, the roadway 100 is in an inverted U shape, the protection bracket 200 is arranged in the roadway 100, the protection bracket 200 comprises a top plate 201, side plates 202 and a base 203, the base 203 is fixedly connected to the ground plane of the roadway 100 and respectively close to two parallel side walls of the roadway 100, the side plates 202 are connected with the base 203 in a sliding manner, the top plate 201 is arranged in an acute angle, the side walls of the top plate 201 are connected with the side plates 202 on the bases 203 at two sides in a sliding manner, the side plates 202 are connected with a support rod 204, and the support rod 204 is a hydraulic support rod. The cylinder body of the support rod 204 is fixedly connected with the side plate 202, and the piston rod of the support rod 204 is fixedly connected with the top plate 201. During normal production, bracing piece 204 supports roof 201, guarantees to have sufficient production transportation space in the tunnel 100, and when taking place the rock burst in tunnel 100, the rubble of top whereabouts is pressing roof 201 downstream or the rubble of tunnel 100 both sides is pressing curb plate 202 and is moving to the centre, and roof 201 and curb plate 202 play the effect of secondary support protection, powerful guarantee staff's life safety. The top plate 201 tip fillet is handled excessively, and the fillet excess is handled and is avoided the top plate 201 tip to locate stress concentration, leads to the breakage of top class 201 tip department.
First forked tail guide rail 205 of fixedly connected with on the roof 201 lateral wall, first forked tail guide slot 206 has been seted up to one side that curb plate 202 is close to roof 201, and first forked tail guide rail 205 slides and connects in first forked tail guide slot 206, and terminal surface fixedly connected with second forked tail guide rail 207 under curb plate 202, second forked tail guide slot 208 has been seted up to base 203 up end, and second forked tail guide rail 207 slides and connects in second forked tail guide slot 208. First forked tail guide 205 and the cooperation of first forked tail guide slot 206, second forked tail guide 207 and the cooperation of second forked tail guide slot 208 can not only play the effect of direction, and the setting of swallow-tail form, the effect of joint in addition avoids roof 201 and curb plate 202 to break away from or curb plate 202 and base 203 break away from.
A triangular reinforcing rib 209 is fixedly connected to the upper end surface of the second dovetail rail 207, and the other side wall of the reinforcing rib 209 is fixedly connected to the side wall of the side plate 202. Whether the broken stones falling in the tunnel 100 are pressed to the top plate 201 or the side plate 202, the final stress point is always on the side plate 202, and the reinforcing ribs 209 enhance the connecting strength between the second dovetail guide rails 207 of the side plate 202, so that the supporting effectiveness of the side plate 202 is ensured.
As shown in fig. 8, one side of the second dovetail guide groove 208, which is far away from the side wall of the roadway 100, is fixedly connected with a displacement sensor 210 for monitoring the position of the second dovetail guide rail 207, the displacement sensor 210 is electrically connected with a data processor, a communication base station is arranged in the roadway 100, and the displacement sensor 210 detects displacement signals, which are processed by the data processor, and sends the signals to the well through the communication base station, so that the engineering computer of an enterprise can monitor the underground condition conveniently.
As shown in fig. 2, a groove 211 is formed in the side wall of the base 203 far away from the side wall of the tunnel 100, a coil spring 212 is fixedly connected in the groove 211, a dust cloth 213 is fixedly connected to the free end of the coil spring 212, and one end of the dust cloth 213 far away from the coil spring 212 is fixedly connected to the side plate 202. The second dovetail guide groove 208 is covered by the dust cloth 213, so that foreign matters are prevented from falling into the second dovetail guide groove 208 and affecting the movement of the second dovetail guide rail 207 and the monitoring condition of the displacement sensor 210.
Claims (5)
1. A rock burst protection bracket with a monitoring function is characterized by comprising a roadway (100) and a protection bracket (200), the roadway (100) is in an inverted U shape, the protective bracket (200) is arranged in the roadway (100), the protective bracket (200) comprises a top plate (201), a side plate (202) and a base (203), the base (203) is fixedly connected on the ground plane of the roadway (100) and is respectively close to two parallel side walls of the roadway (100), the side plate (202) is connected with the base (203) in a sliding way, the top plate (201) is arranged in an acute angle, the side wall of the top plate (201) is connected with the side plates (202) on the bases (203) at two sides in a sliding way, the side plate (202) is connected with a supporting rod (204), a cylinder body of the supporting rod (204) is fixedly connected with the side plate (202), and a piston rod of the supporting rod (204) is fixedly connected with the top plate (201).
2. The rock burst protection bracket with the monitoring function according to claim 1, wherein a first dovetail guide rail (205) is fixedly connected to an outer side wall of the top plate (201), a first dovetail guide groove (206) is formed in one side, close to the top plate (201), of the side plate (202), the first dovetail guide rail (205) is connected in the first dovetail guide groove (206) in a sliding manner, a second dovetail guide rail (207) is fixedly connected to a lower end face of the side plate (202), a second dovetail guide groove (208) is formed in an upper end face of the base (203), and the second dovetail guide rail (207) is connected in the second dovetail guide groove (208) in a sliding manner.
3. The rock burst protection bracket with the monitoring function of claim 2, wherein a triangular reinforcing rib (209) is fixedly connected to the upper end face of the second dovetail guide rail (207), and the other side wall of the reinforcing rib (209) is fixedly connected with the side wall of the side plate (202).
4. The rock burst protection bracket with the monitoring function according to claim 2, characterized in that one side of the second dovetail guide groove (208) far away from the side wall of the roadway (100) is fixedly connected with a displacement sensor (210) for monitoring the position of the second dovetail guide rail (207), the displacement sensor (210) is electrically connected with a data processor, a communication base station is arranged in the roadway (100), and the displacement sensor (210) detects displacement signals and sends the signals to the ground through the communication base station after the displacement signals are processed by the data processor.
5. The rock burst protection bracket with the monitoring function according to claim 4, characterized in that a groove (211) is formed in the side wall of the base (203) far away from the side wall of the roadway (100), a coil spring (212) is fixedly connected in the groove (211), a dust cloth (213) is fixedly connected to the free end of the coil spring (212), and one end, far away from the coil spring (212), of the dust cloth (213) is fixedly connected to the side plate (202).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011105727.8A CN112377226B (en) | 2020-10-15 | 2020-10-15 | Rock burst protective bracket with monitoring function |
| NL2027081A NL2027081B1 (en) | 2020-10-15 | 2020-12-09 | Rock burst protection support with monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011105727.8A CN112377226B (en) | 2020-10-15 | 2020-10-15 | Rock burst protective bracket with monitoring function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112377226A CN112377226A (en) | 2021-02-19 |
| CN112377226B true CN112377226B (en) | 2022-04-01 |
Family
ID=74581636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011105727.8A Expired - Fee Related CN112377226B (en) | 2020-10-15 | 2020-10-15 | Rock burst protective bracket with monitoring function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112377226B (en) |
| NL (1) | NL2027081B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377226B (en) * | 2020-10-15 | 2022-04-01 | 山东省煤田地质规划勘察研究院 | Rock burst protective bracket with monitoring function |
| CN113756853B (en) * | 2021-07-31 | 2024-05-10 | 山东省煤田地质规划勘察研究院 | Deep well soft rock stratum rock burst protection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790985A (en) * | 2015-03-19 | 2015-07-22 | 辽宁工程技术大学 | Energy absorbing anti-impact hydraulic support for fully-closed round roadway |
| CN209494581U (en) * | 2018-12-28 | 2019-10-15 | 乌审旗蒙大矿业有限责任公司 | One kind with facing sky tunnel protecting against shock pressure combined hydraulic rack structure |
| CN209780914U (en) * | 2019-02-27 | 2019-12-13 | 中铁十八局集团有限公司 | Outer curing die carrier device of tunnel |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003200611C1 (en) * | 2002-02-22 | 2005-08-04 | Fci Holdings Delaware, Inc. | Yieldable prop |
| CN104863620A (en) * | 2015-04-18 | 2015-08-26 | 遵义庄氏矿井支护技术开发有限公司 | Closed retractable I-shaped steel trapezoid bracket |
| CN106351678B (en) * | 2016-09-14 | 2018-05-18 | 安徽理工大学 | A kind of mining bracket for being capable of adjust automatically support stiffness |
| CN106321123B (en) * | 2016-09-14 | 2018-06-19 | 安徽理工大学 | A kind of self-adjustable mining bracket of support stiffness |
| CN106285735B (en) * | 2016-09-14 | 2018-06-05 | 安徽理工大学 | A kind of mining bracket that can monitor bump in real time |
| CN110344854B (en) * | 2019-07-24 | 2021-11-02 | 辽宁工程技术大学 | Roadway support method for high rock burst |
| CN111663954A (en) * | 2020-06-05 | 2020-09-15 | 芜湖青悠静谧环保科技有限公司 | A supplementary support frame that consolidates of exit for tunnel |
| CN112377226B (en) * | 2020-10-15 | 2022-04-01 | 山东省煤田地质规划勘察研究院 | Rock burst protective bracket with monitoring function |
-
2020
- 2020-10-15 CN CN202011105727.8A patent/CN112377226B/en not_active Expired - Fee Related
- 2020-12-09 NL NL2027081A patent/NL2027081B1/en active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790985A (en) * | 2015-03-19 | 2015-07-22 | 辽宁工程技术大学 | Energy absorbing anti-impact hydraulic support for fully-closed round roadway |
| CN209494581U (en) * | 2018-12-28 | 2019-10-15 | 乌审旗蒙大矿业有限责任公司 | One kind with facing sky tunnel protecting against shock pressure combined hydraulic rack structure |
| CN209780914U (en) * | 2019-02-27 | 2019-12-13 | 中铁十八局集团有限公司 | Outer curing die carrier device of tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112377226A (en) | 2021-02-19 |
| NL2027081B1 (en) | 2022-09-12 |
| NL2027081A (en) | 2022-06-08 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220401 |