CN112610253A - Rock burst temporary sheltering device - Google Patents
Rock burst temporary sheltering device Download PDFInfo
- Publication number
- CN112610253A CN112610253A CN202011528490.4A CN202011528490A CN112610253A CN 112610253 A CN112610253 A CN 112610253A CN 202011528490 A CN202011528490 A CN 202011528490A CN 112610253 A CN112610253 A CN 112610253A
- Authority
- CN
- China
- Prior art keywords
- arch
- rod
- rock burst
- supports
- temporary shelter
- 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
- 239000011435 rock Substances 0.000 title claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 31
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003351 stiffener Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
- E21D19/02—Provisional protective covers for working space for use in longwall working
Abstract
The invention relates to a temporary shelter device for rock burst, which belongs to the technical field of rock burst protection devices and comprises a plurality of arched supports, wherein the arched supports are linearly arranged at equal intervals along the length direction of a roadway, and the bottoms of the arched supports are anchored into the ground of the roadway; the reinforcing rods are connected between every two adjacent arch supports and are connected to the two sides of each arch support, the reinforcing rods are located on the two sides of each arch support rod, a plurality of inner arch supports are arranged on the reinforcing rods opposite to the two sides of each arch support, skins are arranged at the tops of the inner arch supports, and a plurality of storage boxes are arranged at the bottoms of the inner arch support rods. The temporary protection device for rock burst can be manufactured on the basis of the existing anchor rod support in the roadway, and can block the rock burst under the rock burst, so that the safety of equipment and personnel is guaranteed.
Description
Technical Field
The invention belongs to the technical field of rock burst protection, and particularly relates to a temporary shelter device for rock burst.
Background
Rock burst is a phenomenon in which elastic deformation potential energy accumulated in a rock body is suddenly and violently released under certain conditions, so that the rock is burst and ejected. Rock burst often causes serious damage to an excavation working face, equipment damage and casualties, is one of main hidden dangers faced by deep wells and mines at present, and becomes a worldwide problem in the fields of rock underground engineering and rock mechanics. At present, in order to deal with damage caused by rock burst, a supporting device is installed in a roadway to support and protect the roadway. However, the supporting device cannot protect the equipment and personnel in the roadway sufficiently when large-scale rock burst occurs.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a temporary shelter device for rock burst, which is used for blocking the impact of crushed stones under the rock burst on the basis of the existing anchor bolt support in a roadway and serving as a temporary protection device for the rock burst, thereby ensuring the safety of equipment and personnel.
A temporary shelter device for rock burst comprises a plurality of arch supports, wherein the arch supports are linearly arranged at equal intervals along the length direction of a roadway, and the bottoms of the arch supports are anchored into the ground of the roadway; the reinforcing rods are connected between every two adjacent arch supports and are connected to the two sides of each arch support, the reinforcing rods are located on the two sides of each arch supporting rod, a plurality of inner arch supports are arranged on the reinforcing rods opposite to the two sides of each arch supporting rod, and skins are arranged at the tops of the inner arch supports.
The bottom of the inner arch support rod is provided with a plurality of storage boxes which are hung at the bottom of the inner arch support rod through hooks.
The arch support comprises an arch rod at the top and vertical rods arranged at two ends of the arch rod.
The vertical rod is connected with the arch rod through a flange, the flange is a halved flange, and the side, facing the roadway, of the vertical rod and the arch rod is a flange-free side.
The reinforcing rod is connected with the arched bracket through a connector, the connector comprises a pair of semi-rings which are oppositely arranged and provided with connecting pieces, and threaded holes are formed in the connecting pieces; the reinforcing rod is characterized in that matching grooves are formed in two ends of the reinforcing rod, threaded holes corresponding to the threaded holes of the connecting pieces are formed in the side walls of the matching grooves, the pair of semi-rings are wrapped outside the arch support, the connecting pieces are placed in the matching grooves, and the reinforcing rod and the arch support are connected and fastened through bolts penetrating through the side walls of the matching grooves and the threaded holes of the connecting pieces.
The connecting sheet and the semi-ring are integrally formed.
The limiting block or the limiting ring is welded on the arched supporting rod, and the semi-ring is arranged above the limiting block or the limiting ring.
The inner arch support rod is an arch rod with clamps arranged at two ends, bolt holes are formed in the tail ends of the clamps, and bolts penetrate through the bolt holes to fasten the clamps on the reinforcing rods.
The skin is an arc-shaped alloy steel plate or an aluminum alloy plate and is riveted with the inner arch support.
The plurality of inner arch brackets are arranged at a distance of 0.2-0.4 m.
The invention has the beneficial effects that:
1. the invention takes anchor bolt support in the roadway as a basis, and adds the shielding device at the top of the roadway on the basis of the anchor bolt support, thereby being capable of blocking and supporting broken stones which are exploded when rock burst occurs and preventing the broken stones from scattering and damaging workers.
2. The device can be arranged in a roadway at intervals, and when rock burst occurs, an operator can quickly move to the lower part of a sheltering place to shelter. And can be set up separately in the equipment installation area, thus protect the equipment.
Drawings
Figure 1 is a schematic view of an embodiment of a temporary shelter apparatus for rock burst;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the reinforcing rods and the arched brackets;
FIG. 4 is a schematic view of the usage state of FIG. 1;
wherein the content of the first and second substances,
1-arched supporting rod, 11-vertical rod, 12-arched rod, 2-reinforcing rod, 22-semi-ring, 23-connecting piece, 24-matching groove, 3-inner arched supporting rod, 31-clamping hoop, 4-skin and 5-storage box.
Detailed Description
For better understanding of the present invention, the technical solutions and effects of the present invention will be described in detail by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-4, the temporary shelter device for rock burst comprises a plurality of arch-shaped supports, wherein the arch-shaped supports are linearly arranged along the length direction of a roadway at equal intervals, and the bottoms of the arch-shaped supports are anchored into the ground of the roadway; the arch-shaped supporting rods 1 which are linearly arranged protect the top wall of the roadway, the roadway is preliminarily supported, and the rock burst phenomenon in the roadway can be prevented to a certain extent. Be connected with stiffener 2 between every two adjacent arch supports, stiffener 2 is connected in the both sides of arch support, and stiffener 2 is located arch branch 1's both sides, connects the reinforcement through stiffener 2 to the arch branch 1 of arranging in succession, makes a plurality of arch branches 1 become a whole to guarantee arch branch 1's support intensity. The reinforcing rods 2 opposite to each other at two sides are provided with a plurality of inner arch supports, the tops of the inner arch supports are provided with skins 4, and the inner arch support rods 3 are arranged at intervals of 0.2-0.4 m to stably support the skins 4. This embodiment includes three linearly arranged arcuate supports.
The bottom of the inner arch supporting rod 3 is provided with a plurality of storage boxes 5, the storage boxes 5 are internally used for placing food, water and tools, the food and the water are regularly updated, once a large-scale rock burst accident happens, workers can hide under the skin 4, certain food and water supplement is provided, and the workers can safely wait for rescue. Preferably, storage tank 5 hangs in 3 bottoms of interior arch branch through the couple, can take at any time as required, and the mode of hanging is simple and effective, can not influence normal passage in the tunnel.
The arch support comprises an arch rod 12 at the top and vertical rods 11 arranged at two ends of the arch rod 12, and the arch support consisting of the arch rod 12 and the vertical rods 11 can be guaranteed to flexibly operate in a roadway.
Preferably, the vertical rod 11 and the arch rod 12 can be connected through a flange, the flange is a halved flange, and the side of the vertical rod 11 and the arch rod 12 facing the roadway is a flange-free side. The flange connection mode is simple and stable, the installation of the vertical rod 11 and the arch rod 12 can be rapidly realized, and meanwhile, the connection structure of the vertical rod 11 and the arch rod 12 is guaranteed. As shown in fig. 3, the reinforcing rod 2 is connected with the arched bracket through a connector, the connector comprises a pair of half rings 22 with connecting pieces 23, which are oppositely arranged, and the connecting pieces 23 are provided with threaded holes; two ends of the reinforcing rod 2 are provided with matching grooves 24, the side walls of the matching grooves 24 are provided with threaded holes corresponding to the threaded holes of the connecting pieces 23, the pair of half rings 22 are wrapped outside the arched support, the connecting pieces 23 are placed in the matching grooves 24, and bolts penetrate through the side walls of the matching grooves 24 and the threaded holes of the connecting pieces 23 to connect and fasten the reinforcing rod 2 and the arched support. Connecting piece 23 and half 22 are integrated into one piece. The connecting structure of the reinforcing rod 2 and the arch support is that the connecting sheet 23 of the half ring 22 is clamped in the matching groove 24 of the reinforcing rod 2, and the reinforcing rod 2 and the arch support are fastened by bolts. This connection uses the friction between the half rings 22 and the arched rod 1 after fastening as the load-bearing of the reinforcing rods 2, so that a plurality of reinforcing rods 2 are fastened in a straight line on both sides of the arched rod 1.
Preferably, limiting blocks or limiting rings are welded on the arched supporting rod 1, the half rings 22 are arranged above the limiting blocks or the limiting rings, and the limiting blocks or the limiting rings support and limit the fastening of the half rings 22, so that the fixing effect of the reinforcing rod 2 on the arched supporting rod 1 is ensured.
The skin 4 is an arc-shaped alloy steel plate or an aluminum alloy plate and is riveted with the inner arch support. The riveting mode is simple and effective, and the stable protection of the skin 4 on the roadway can be realized.
Claims (10)
1. A rock burst temporary shelter device is characterized in that: the device comprises a plurality of arch supports, wherein the arch supports are linearly arranged at equal intervals along the length direction of a roadway, and the bottoms of the arch supports are anchored into the ground of the roadway; the reinforcing rods are connected between every two adjacent arch supports and are connected to the two sides of each arch support, the reinforcing rods are located on the two sides of each arch supporting rod, a plurality of inner arch supports are arranged on the reinforcing rods opposite to the two sides of each arch supporting rod, and skins are arranged at the tops of the inner arch supports.
2. A temporary shelter from rock burst as claimed in claim 1, wherein: the bottom of the inner arch support rod is provided with a plurality of storage boxes which are hung at the bottom of the inner arch support rod through hooks.
3. A temporary shelter from rock burst as claimed in claim 1, wherein: the arch support comprises an arch rod at the top and vertical rods arranged at two ends of the arch rod.
4. A temporary shelter from rock burst as claimed in claim 2, wherein: the vertical rod is connected with the arch rod through a flange, the flange is a halved flange, and the side, facing the roadway, of the vertical rod and the arch rod is a flange-free side.
5. A temporary shelter from rock burst as claimed in claim 1, wherein: the reinforcing rod is connected with the arched bracket through a connector, the connector comprises a pair of semi-rings which are oppositely arranged and provided with connecting pieces, and threaded holes are formed in the connecting pieces; the reinforcing rod is characterized in that matching grooves are formed in two ends of the reinforcing rod, threaded holes corresponding to the threaded holes of the connecting pieces are formed in the side walls of the matching grooves, the pair of semi-rings are wrapped outside the arch support, the connecting pieces are placed in the matching grooves, and the reinforcing rod and the arch support are connected and fastened through bolts penetrating through the side walls of the matching grooves and the threaded holes of the connecting pieces.
6. A temporary shelter from rock burst as claimed in claim 5, wherein: the connecting sheet and the semi-ring are integrally formed.
7. A temporary shelter from rock burst as claimed in claim 5, wherein: the limiting block or the limiting ring is welded on the arched supporting rod, and the semi-ring is arranged above the limiting block or the limiting ring.
8. A temporary shelter from rock burst as claimed in claim 1, wherein: the inner arch support rod is an arch rod with clamps arranged at two ends, bolt holes are formed in the tail ends of the clamps, and bolts penetrate through the bolt holes to fasten the clamps on the reinforcing rods.
9. A temporary shelter from rock burst as claimed in claim 1, wherein: the skin is an arc-shaped alloy steel plate or an aluminum alloy plate and is riveted with the inner arch support.
10. A temporary shelter from rock burst as claimed in claim 1, wherein: the plurality of inner arch brackets are arranged at a distance of 0.2-0.4 m.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011528490.4A CN112610253A (en) | 2020-12-22 | 2020-12-22 | Rock burst temporary sheltering device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011528490.4A CN112610253A (en) | 2020-12-22 | 2020-12-22 | Rock burst temporary sheltering device |
Publications (1)
Publication Number | Publication Date |
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CN112610253A true CN112610253A (en) | 2021-04-06 |
Family
ID=75244113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011528490.4A Pending CN112610253A (en) | 2020-12-22 | 2020-12-22 | Rock burst temporary sheltering device |
Country Status (1)
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CN (1) | CN112610253A (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106246206A (en) * | 2016-10-12 | 2016-12-21 | 辽宁工程技术大学 | Mine stalk semicircular arch tunnel erosion control support |
CN206592143U (en) * | 2017-04-06 | 2017-10-27 | 山西大同大学 | A kind of colliery tunnel support support |
CN108581887A (en) * | 2018-06-27 | 2018-09-28 | 芜湖衡西微量计量科技有限公司 | A kind of steel construction piece installation positioning tool |
CN109653775A (en) * | 2019-01-22 | 2019-04-19 | 湖南科技大学 | A kind of achievable three-dimensional allows the buffering stand and method for protecting support of pressure |
CN209067235U (en) * | 2018-11-08 | 2019-07-05 | 长沙矿山研究院有限责任公司 | A kind of roadway support structure |
CN209925008U (en) * | 2019-05-24 | 2020-01-10 | 西安科技大学 | Rock burst prevention arc-shaped support frame for mining |
CN111734463A (en) * | 2020-06-18 | 2020-10-02 | 辽宁工程技术大学 | Energy-absorbing and impact-preventing combined supporting equipment for arch roadway |
CN111779515A (en) * | 2020-08-28 | 2020-10-16 | 华亭煤业集团有限责任公司 | Rock burst prevention support for mining |
-
2020
- 2020-12-22 CN CN202011528490.4A patent/CN112610253A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106246206A (en) * | 2016-10-12 | 2016-12-21 | 辽宁工程技术大学 | Mine stalk semicircular arch tunnel erosion control support |
CN206592143U (en) * | 2017-04-06 | 2017-10-27 | 山西大同大学 | A kind of colliery tunnel support support |
CN108581887A (en) * | 2018-06-27 | 2018-09-28 | 芜湖衡西微量计量科技有限公司 | A kind of steel construction piece installation positioning tool |
CN209067235U (en) * | 2018-11-08 | 2019-07-05 | 长沙矿山研究院有限责任公司 | A kind of roadway support structure |
CN109653775A (en) * | 2019-01-22 | 2019-04-19 | 湖南科技大学 | A kind of achievable three-dimensional allows the buffering stand and method for protecting support of pressure |
CN209925008U (en) * | 2019-05-24 | 2020-01-10 | 西安科技大学 | Rock burst prevention arc-shaped support frame for mining |
CN111734463A (en) * | 2020-06-18 | 2020-10-02 | 辽宁工程技术大学 | Energy-absorbing and impact-preventing combined supporting equipment for arch roadway |
CN111779515A (en) * | 2020-08-28 | 2020-10-16 | 华亭煤业集团有限责任公司 | Rock burst prevention support for mining |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210406 |