CN113756853A - Deep well soft rock stratum rock burst protector - Google Patents
Deep well soft rock stratum rock burst protector Download PDFInfo
- Publication number
- CN113756853A CN113756853A CN202110876951.5A CN202110876951A CN113756853A CN 113756853 A CN113756853 A CN 113756853A CN 202110876951 A CN202110876951 A CN 202110876951A CN 113756853 A CN113756853 A CN 113756853A
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- bottom plate
- plate
- rock burst
- deep well
- rock
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- 239000011435 rock Substances 0.000 title claims abstract description 68
- 230000001012 protector Effects 0.000 title claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 16
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000670 limiting effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 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
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Revetment (AREA)
Abstract
The invention provides a deep well soft rock stratum rock burst protection device, and mainly relates to the field of rock burst protection equipment. The utility model provides a deep well soft rock stratum rock burst protector, includes the bottom plate, vertical bracing piece, four are all installed in bottom plate top surface four corners pass through diaphragm fixed connection between the bracing piece top, first elasticity telescopic link, two are all installed to diaphragm top surface both sides the arc roof is all installed on elasticity telescopic link top, the diaphragm both sides all articulate the slope curb plate, every two strip passthrough grooves are all seted up to curb plate one side bottom. The invention has the beneficial effects that: the invention has simple structure and convenient use, can block and protect coal rock ejection, air waves and the like generated by rock burst on the top layer by arranging the top plate, and can block and protect the coal rock ejection, air waves and the like generated by the rock burst on two sides by arranging the side plates, thereby avoiding the influence of the rock burst on constructors and improving the safety guarantee of deep well operation.
Description
Technical Field
The invention mainly relates to the field of rock burst protection equipment, in particular to a deep well soft rock stratum rock burst protection device.
Background
The rock burst refers to the dynamic phenomenon of sudden and violent damage caused by the instantaneous release of elastic deformation energy of coal (rock) around a coal mine roadway or a working face, and is often accompanied by instantaneous displacement, throwing, banging, air waves and the like of the coal (rock) body.
The rock burst can be classified according to the main body released by the elastic energy of the coal (rock) body, the load type and the like, and different rock burst types are subjected to targeted prevention and treatment measures to realize classified prevention and treatment.
The method comprises the following steps of (1) evaluating whether a coal seam with an over-rock burst phenomenon in a mine well field range or a coal seam (or a top floor rock stratum thereof) with an impact tendency and an impact risk is a rock burst coal seam; the mine with the rock burst coal seam is a rock burst mine.
Therefore, in order to ensure safety of the construction worker during deep well work, it is necessary to install a rock burst prevention device.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the deep well soft rock stratum rock burst protection device which is simple in structure and convenient to use, can block and protect coal rock catapulting, air waves and the like generated by top layer rock burst by arranging the top plate, and can block and protect coal rock catapulting, air waves and the like generated by rock burst at two sides by arranging the side plates, so that the influence of the rock burst on constructors is avoided, and the safety guarantee of deep well operation is improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a deep well soft rock stratum rock burst protector, includes the bottom plate, vertical bracing piece, four are all installed in bottom plate top surface four corners pass through diaphragm fixed connection between the bracing piece top, first elasticity telescopic link, two are all installed to diaphragm top surface both sides the arc roof is all installed on elasticity telescopic link top, the equal articulated slope curb plate in diaphragm both sides, every two bar through grooves are all seted up to curb plate one side bottom, every two bar grooves on the curb plate distribute around, two recesses are all seted up to the bottom plate both sides, lie in the bottom plate and distribute around two recesses with one side, every all install second elasticity telescopic link, every in the recess second elasticity telescopic link free end all passes the bar through groove that corresponds, bottom plate bottom surface four corners is all erection bracing piece.
Further, an arc-shaped bottom plate is arranged below the bottom surface of the bottom plate, and the top surface of the arc-shaped bottom plate is connected with the bottom surface of the bottom plate through a plurality of third elastic telescopic rods.
Furthermore, elastic protection pads are arranged on the top surface of the arc-shaped top plate and the bottom surface of the arc-shaped bottom plate.
Furthermore, every arc bottom plate bottom surface both sides all install the dead lever of slope, every the equal suit sleeve in first elasticity telescopic link dead lever periphery top, every the sleeve all can be followed the first elasticity telescopic link that corresponds and slided from top to bottom, every the dead lever all with the muffjoint who corresponds.
Furthermore, every stopper is all installed to second elasticity telescopic link movable rod periphery, the width of stopper width and the width of the groove is passed through to the bar that corresponds.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure and convenient use, can block and protect coal rock ejection, air waves and the like generated by rock burst on the top layer by arranging the top plate, and can block and protect the coal rock ejection, air waves and the like generated by the rock burst on two sides by arranging the side plates, thereby avoiding the influence of the rock burst on constructors and improving the safety guarantee of deep well operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the side panel;
reference numerals shown in the drawings: 1. a base plate; 2. a support bar; 3. a transverse plate; 4. a first elastic telescopic rod; 5. an arc-shaped top plate; 6. a side plate; 7. strip-shaped through grooves; 8. a groove; 9. a second elastic telescopic rod; 10. a vertical rod; 11. an arc-shaped bottom plate; 12. a third elastic telescopic rod; 13. fixing the rod; 14. a sleeve; 15. and a limiting block.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
As shown in fig. 1-2, the deep well soft rock stratum rock burst protection device comprises a bottom plate 1, wherein vertical support rods 2 are arranged at four corners of the top surface of the bottom plate 1, the top ends of the four support rods 2 are fixedly connected through a transverse plate 3, first elastic telescopic rods 4 are arranged at two sides of the top surface of the transverse plate 3, an arc-shaped top plate 5 is arranged at the top ends of the two first elastic telescopic rods 4, inclined side plates 6 are hinged at two sides of the transverse plate 3, two strip-shaped through grooves 7 are arranged at the bottom of one side of each side plate 6, the two strip-shaped grooves 7 on each side plate 6 are distributed in the front and back direction, two grooves 8 are arranged at two sides of the bottom plate 1, the two grooves 8 positioned at the same side of the bottom plate 1 are distributed in the front and back direction, second elastic telescopic rods 9 are arranged in each groove 8, and the free end of each second elastic telescopic rod 9 passes through the corresponding strip-shaped through groove 7, vertical rods 10 are arranged at four corners of the bottom surface of the bottom plate 1.
Specifically, an arc-shaped bottom plate 11 is arranged below the bottom surface of the bottom plate 1, and the top surface of the arc-shaped bottom plate 11 is connected with the bottom surface of the bottom plate 1 through a plurality of third elastic telescopic rods 12. By arranging the arc-shaped bottom plate 11, instant bottom heave and bottom air wave generated by rock burst can be protected.
Specifically, elastic protection pads are arranged on the top surface of the arc-shaped top plate 5 and the bottom surface of the arc-shaped bottom plate 11. The elastic protection pad has a protection effect on the arc-shaped top plate 5 and the arc-shaped bottom plate 11, and the service life of the arc-shaped top plate 5 and the service life of the arc-shaped bottom plate 11 are prolonged.
Specifically, every 5 bottom surface both sides of arc bottom plate all install the dead lever 13 of slope, every the sleeve 14 is all suit on the 4 dead lever periphery tops of first elasticity telescopic link, every sleeve 14 all can be followed the first elasticity telescopic link 4 that corresponds and slided from top to bottom, every dead lever 13 all is connected with the sleeve 14 that corresponds. The fixing rod 13 has a supporting function on the arc-shaped top plate 5, so that the stress capacity of the arc-shaped top plate 5 is increased, and the stability of the arc-shaped top plate 5 is improved.
Specifically, every stopper 15 is all installed to the second elasticity telescopic link 9 movable rod periphery, the width of stopper 15 width and the width of the strip through groove 7 that corresponds. The limiting block 15 has a limiting effect on the side plate 6, and can provide thrust for the limiting block 15 under the stress of the side plate 6, so that the second elastic telescopic rod 9 is stressed to contract, and the impact force generated by the side plate 6 is buffered.
Example (b):
when the device is used, firstly, a user speaks to install the bottom plate 1 in a medium rock burst dangerous area and a strong rock burst dangerous area through the vertical rod 10, then the free end of the second elastic telescopic rod 9 penetrates through the corresponding strip-shaped through groove 7 to complete the installation of the device, when rock burst occurs, the arc top plate 5 at the top is acted by impact force and moves downwards, the arc top plate 5 moves to enable the first elastic telescopic rod 4 to shrink downwards under the action of the impact force, the impact force received by the picdine top plate 5 is buffered, the rock burst generated at the top is dissolved, when the rock burst occurs at two sides, the side plate 6 is acted by the impact force, the side plate 6 rotates around the direction of the hinged point to be close to the bottom plate 1, the second elastic telescopic rod 9 shrinks under the action of the pressure of the side plate 6, and then the impact force received by the side plate 6 is buffered, and both sides are dissolved to generate the rock burst to obtain the rock burst.
The invention has simple structure and convenient use, can block and protect coal rock ejection, air waves and the like generated by rock burst on the top layer by arranging the top plate, and can block and protect the coal rock ejection, air waves and the like generated by the rock burst on two sides by arranging the side plates, thereby avoiding the influence of the rock burst on constructors and improving the safety guarantee of deep well operation.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a deep well soft rock stratum rock burst protector, includes bottom plate (1), its characterized in that: the bottom plate is characterized in that vertical support rods (2) are arranged at four corners of the top surface of the bottom plate (1), the top ends of the four support rods (2) are fixedly connected through a transverse plate (3), first elastic telescopic rods (4) are arranged at two sides of the top surface of the transverse plate (3), arc-shaped top plates (5) are arranged at the top ends of the two first elastic telescopic rods (4), inclined side plates (6) are hinged to two sides of the transverse plate (3), two strip-shaped through grooves (7) are formed in the bottom of one side of each side plate (6), two strip-shaped grooves (7) in each side plate (6) are distributed in the front and back direction, two grooves (8) are formed in two sides of the bottom plate (1), two grooves (8) located on the same side of the bottom plate (1) are distributed in the front and back direction, second elastic telescopic rods (9) are arranged in each groove (8), and the free ends of the second elastic telescopic rods (9) penetrate through the corresponding strip-shaped through grooves (7), vertical rods (10) are arranged at four corners of the bottom surface of the bottom plate (1).
2. The deep well soft rock stratum rock burst protection device according to claim 1, wherein: the bottom plate (1) bottom surface below is equipped with arc bottom plate (11), arc bottom plate (11) top surface is connected with bottom plate (1) bottom surface through several third elasticity telescopic links (12).
3. The deep well soft rock stratum rock burst protection device according to claim 2, wherein: elastic protective pads are arranged on the top surface of the arc-shaped top plate (5) and the bottom surface of the arc-shaped bottom plate (11).
4. The deep well soft rock stratum rock burst protection device according to claim 1, wherein: every arc bottom plate (5) bottom surface both sides all install dead lever (13) of slope, every sleeve (14) are all suit on first elasticity telescopic link (4) dead lever periphery top, every sleeve (14) homoenergetic slides from top to bottom along corresponding first elasticity telescopic link (4), every dead lever (13) all are connected with sleeve (14) that correspond.
5. The deep well soft rock stratum rock burst protection device according to claim 1, wherein: every stopper (15) are all installed to second elasticity telescopic link (9) movable rod periphery, the width of stopper (15) width and the width of the strip through groove (7) that corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110876951.5A CN113756853B (en) | 2021-07-31 | 2021-07-31 | Deep well soft rock stratum rock burst protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110876951.5A CN113756853B (en) | 2021-07-31 | 2021-07-31 | Deep well soft rock stratum rock burst protection device |
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| Publication Number | Publication Date |
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| CN113756853A true CN113756853A (en) | 2021-12-07 |
| CN113756853B CN113756853B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110876951.5A Active CN113756853B (en) | 2021-07-31 | 2021-07-31 | Deep well soft rock stratum rock burst protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116838317A (en) * | 2023-06-30 | 2023-10-03 | 陕煤集团神木张家峁矿业有限公司 | Three-dimensional dynamic loading device for simulating underground rock burst and rock burst prediction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116838317A (en) * | 2023-06-30 | 2023-10-03 | 陕煤集团神木张家峁矿业有限公司 | Three-dimensional dynamic loading device for simulating underground rock burst and rock burst prediction method |
| CN116838317B (en) * | 2023-06-30 | 2024-05-07 | 陕煤集团神木张家峁矿业有限公司 | Three-dimensional dynamic loading device for simulating underground rock burst and rock burst prediction method |
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