CN107130988A - A kind of anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion - Google Patents
A kind of anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion Download PDFInfo
- Publication number
- CN107130988A CN107130988A CN201710556290.1A CN201710556290A CN107130988A CN 107130988 A CN107130988 A CN 107130988A CN 201710556290 A CN201710556290 A CN 201710556290A CN 107130988 A CN107130988 A CN 107130988A
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- China
- Prior art keywords
- head
- liquid storage
- carbon dioxide
- slip casting
- swollen shell
- Prior art date
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- 239000007788 liquid Substances 0.000 title claims abstract description 70
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 24
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000007569 slipcasting Methods 0.000 title claims abstract description 24
- 238000004880 explosion Methods 0.000 title claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 239000007937 lozenge Substances 0.000 claims description 4
- 239000011435 rock Substances 0.000 abstract description 50
- 238000005422 blasting Methods 0.000 abstract description 12
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 230000006698 induction Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010339 dilation Effects 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001347978 Major minor Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000004911 serous fluid Anatomy 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
-
- 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
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion, including anchor rod body and swollen shell anchorage head, the anchor rod body include liquid storage pipe, be fixedly connected on liquid storage pipe front end let out can head and be detachably connected on liquid storage pipe rear end fill head, described to let out the discharge conduit that liquid storage tube cavity is communicated with energy head, outer wall is provided with the steam vent of discharge conduit described in insertion；It is provided between liquid storage tube cavity and discharge conduit and lets out energy piece；The swollen shell anchorage head is connected to the front end for letting out energy head；The valve for filling the topping up hole that liquid storage tube cavity is communicated with head and the opening and closing of control topping up hole, heating element heater is provided with the rear end of the liquid storage tube cavity.The present invention effectively expands fissure zone scope in rock mass by liquid carbon dioxide explosion induced fracture, and more favorable condition is created to implement grouting and reinforcing；Directly implement grouting in rock mass reinforcing by the use of carbon dioxide blasting cartridge as slip casting passage simultaneously, realize induction blasting and organically combined with slip casting.
Description
Technical field
The present invention relates to rock-reinforcing support technology field, more particularly to a kind of anti-reflection slip casting of liquid carbon dioxide explosion are multiple
Close anchor pole.
Background technology
Suspension roof support is to solve stable problem method the most cost-effective in Geotechnical Engineering, and it is in slope treatment, depth
It is used widely in all kinds of engineerings such as pattern foundation pit supporting structure, surrounding rock consolidation and works pressurization.But the support reinforcement of fragmented rock body
But it is always the problem of geotechnical anchor engineering construction field, especially when fragmented rock body thickness exceedes certain distance, using anchor pole
Or the anchoring section of cable bolting can only be acted in broken Rock And Soil, it is impossible to form the support actions such as suspention, extruding, it is impossible to carry out
Effective anchoring, engineering safety cannot be guaranteed.And when using grouting support or anchor note combined supporting, in fragmented rock body crack
In the case that development is insufficient, grouting serous fluid dilation angle is small, grouting amount is low, causes the thickness of major-minor carrier ring small, in tunnel
Or on stope armor rock in the presence of stress concentration can gradually disequilibrium, form new destruction, it is difficult to meet and reinforce broken
The purpose of region country rock.
For the problems such as fragmented rock body fracture connectivity is poor, grouting amount is small, it is thus proposed that use the anti-reflection slip casting of conventional blasting method
Method carry out anchor note combined supporting, but the anti-reflection technology of explosive charge is difficult to precisely due to pack blasting energy and its release direction
Control, may cause the radial cracking of comparatively dense around blasthole drastically to increase, it is impossible to form uniform fissure zone, easily right after explosion
Deep wall rock blastingfracture band causes new stress concentration, and the stability of country rock is influenceed on the contrary.Meanwhile, conventional explosives shotfiring safety
Coefficient is low, it is impossible to exclude the possibility of miso-fire, and applicable elements are limited, operating procedure is relative complex, dust that explosion is produced and a large amount of
Pernicious gas is polluted to operating environment.
The content of the invention
The technical problems to be solved by the invention are for the medium development of above-mentioned joint fissure, the country rock progress of poor connectivity
There is provided a kind of liquid carbon dioxide explosion for realizing that blasting process is pollution-free, energy is adjustable, mode of releasing is controllable is anti-reflection during reinforcing
Slip casting Composite Bolt, with increase country rock fissure zone scope, expand slurries dilation angle, improve country rock slip casting effect, carry
High and improvement coffer mechanics performance, deformation controlling for rock surrounding gateways realizes anchor pole and the dual support action of slip casting.
In order to solve the above technical problems, the anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion provided by the present invention, bag
Include anchor rod body and swollen shell anchorage head, the anchor rod body include liquid storage pipe, be fixedly connected on liquid storage pipe front end let out can head and
The head that fills of liquid storage pipe rear end is detachably connected on, it is described to let out the discharge conduit that liquid storage tube cavity is communicated with energy head, outer wall
It is provided with the steam vent of discharge conduit described in insertion；It is provided between liquid storage tube cavity and discharge conduit and lets out energy piece；The swollen shell
Anchorage head is connected to the front end for letting out energy head；It is described to fill the topping up hole that liquid storage tube cavity is communicated with head and control topping up
The valve of hole opening and closing, heating element heater is provided with the rear end of the liquid storage tube cavity.
Further, the swollen shell anchorage head includes the swollen shell intermediate plate that a screw rod, a wedge nut and two valves are correspondingly arranged,
Described screw rod one end with let out can head front end be fixedly connected, the other end from passed through between the swollen shell intermediate plate of two valves and with the spiral shell of wedge nut
Hole threaded, the wedge nut is provided with the lozenges being engaged with swollen shell intermediate plate, and the swollen shell intermediate plate of two valves passes through front end
Tapering point emit and link together.
Further, the outer surface of the swollen shell intermediate plate is the surface of falling saw-tooth tapers, and the ring of falling sawtooth is laid.
Further, the length and diameter of the anchor rod body are processed as needed, and liquid storage pipe and let out can be outside head
Surface carries trapezoidal thread.
Using the anti-reflection slip casting Composite Bolt of the liquid carbon dioxide explosion of above-mentioned technical proposal, in the rear end of the liquid storage pipe
Provided with the baffle ring with backing plate.
Fill head in the present invention to be connected through a screw thread with liquid storage pipe, liquid storage tube surfaces formation trapezoidal thread is conducive to anchor
Bar is crept into using rotation mode and closely agreed with rock mass.
The supporting step for slip casting Composite Bolt that the liquid carbon dioxide explosion is anti-reflection is as follows：
1st, before roadway surrounding rock bolt-grouting support strengthening construction, first choice is carried out engineering geological survey, rock physical and mechanic parameter and surveyed
Examination and tunnel relaxation zone are tested, acquisition rock physical and mechanic parameter, structural plane development condition, the basic ginseng such as tunnel relaxation zone scope
Number；
2nd, with reference to rock property, calculated according to corresponding theory of blasting and determine Composite Bolt exhaust hole site, it is determined that exhaust
Behind hole site and depth, hole depth and Composite Bolt total length are further determined that, Composite Bolt diameter typically takes 30-45mm；
Anchor rod body can according to actual induced fracture set direction assemble steam vent layout angle it is different from quantity let out can head, and be vented
Hole site can be adjusted as needed；
3rd, construction diameter is less than the anchor hole of anchor pole, and Composite Bolt creep into along the anchor hole, it is ensured that liquid storage pipe and let out energy head and
Anchor hole wall is coupled, increasing friction force；Swollen shell anchorage head makes wedge nut be moved to first end is filled by rotating anchor rod body, leads to
The wedging action for crossing wedge nut forces swollen shell anchorage head to open, embedded hole wall, anchor pole is fixed in rock mass, liquid storage pipe passes through
The backing plate and baffle ring of tail end are reinforced, and are realized and are applied prestressing force to anchor pole and formed to rock mass Radial resistant force；
4th, after anchor pole is fixed, filling for liquid carbon dioxide is carried out by filling head, filling weight is in rock mass physical mechanical property
Matter and quality of surrounding rock classification on the basis of, burst pressure force value is rationally determined according to needed for induction blasting, it is ensured that country rock it is whole
Body is not damaged；
5th, heating element heater power supply is connected, liquid carbon dioxide is quickly converted to gaseous state by liquid, high energy (pressure) air-flow is swollen
Swollen cause lets out energy piece opening, then from the steam vent discharge for letting out energy head, realizes that induced fracture is acted on, after the completion of induced fracture, passes through
Cross the crack propagation of certain time and develop after the anti-reflection stage, dismounting fills head, heating element heater, and slurries are pumped into storage by grouting pump
Liquid pipe enters anchor hole and rock cranny through letting out the steam vent of energy head, until filling fills fracture determining in rock mass, reaches that anchor is noted
The effect of dual supporting.
The beneficial effects of the invention are as follows：It is quick-fried that conventional explosives are substituted using the mode of liquid carbon dioxide high pressure pneumatic component
It is broken, while ensureing that periphery rock mass is not damaged integrally, induced fracture is carried out in the rock mass of certain depth, makes fissure zone model
Orientation uniform expansion is enclosed, effectively expands fissure zone scope in rock mass, more favorable condition is created to implement grouting and reinforcing；Directly simultaneously
Implement grouting in rock mass reinforcing by the use of carbon dioxide blasting cartridge as slip casting passage, realize induction blasting and organically combined with slip casting；
Using carbon dioxide explosion, steam vent layout angle can be carried out artificially with letting out energy head quantity according to rock property and structure region feature
Lay, reach jet perforating demolition effect；Traditional explosive blasting is instead of in physical explosion mode, blast is pollution-free, nowhere
Miso-fire, the danger of blind big gun are managed, and it is simple to operate, security is largely increased, and is effectively improved the effect that anchor notes dual supporting.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of swollen shell anchorage head in the present invention；
Fig. 3 can head schematic cross section to be let out in the present invention；
Fig. 4 is the blast working schematic diagram that supporting roadway surrounding rock is carried out with the present invention；
Fig. 5 is the mortar depositing construction schematic diagram that supporting roadway surrounding rock is carried out with the present invention；
Wherein：1- fills head；2- removable pins；3- backing plates；4- liquid storage pipes；5- is let out can head；6- steam vents；7- screw rods；8- is swollen
Shell intermediate plate；9- wedge nuts；10- is let out can piece；11- heating element heaters；12- baffle rings；13- valves；14- topping ups hole；15- anchor holes；16-
Rock cranny；17- grouting pumps；18- discharge conduits；19- tapering points emit.
Embodiment
The present invention is further described below in conjunction with the drawings and specific embodiments.
As Figure 1-Figure 5, the anti-reflection slip casting Composite Bolt of a kind of liquid carbon dioxide explosion, including anchor rod body and swollen shell
Anchorage head, the anchor rod body, which includes liquid storage pipe 4, be fixedly connected on letting out for the front end of liquid storage pipe 4 first 5 and to be detachably connected on storage
The rear end of liquid pipe 4 fills first 1, and described let out can be communicated with the discharge conduit 18 of the inner chamber of liquid storage pipe 4 in first 5, and outer wall is provided with passing through
Lead to the steam vent 6 of the discharge conduit；It is provided between liquid storage tube cavity and discharge conduit 18 and lets out energy piece 10；Specifically, described
Let out energy first 5 to be rotated in the liquid storage pipe 4, and the locating ring to be formed positioning is protruded above by the inwall of liquid storage pipe 4, described let out can piece
10 be located at the locating ring and let out can between first 5, the swollen shell anchorage head be connected to it is described let out can first 5 front end；It is described to fill
The topping up hole 14 of liquid storage tube cavity and the valve 13 of the opening and closing of control topping up hole 14 are communicated with first 1, in the liquid storage tube cavity
Rear end be provided with heating element heater 11.
Specifically, the swollen shell anchorage head includes the swollen shell intermediate plate that a screw rod 7, a wedge nut 9 and two valves are correspondingly arranged
8, described one end of screw rod 7 with let out can first 5 front end be fixedly connected, the other end from passed through between the swollen shell intermediate plate 8 of two valves and with wedge-shaped spiral shell
The screw threaded of mother 9, the wedge nut 9 is provided with the lozenges being engaged with swollen shell intermediate plate 8, the swollen shell intermediate plate of two valves
8 emit 19 by the tapering point of front end links together, and the distance between two lozenges of the wedge nut 9 are from front to back gradually
Diminish, it is preferred that the outer surface of the swollen shell intermediate plate 8 is the surface of falling saw-tooth tapers, and the ring of falling sawtooth is laid, so as to carry
The frictional force of high swollen shell anchorage head and rock stratum hole wall, and then improve the anchor force of anchor pole.
Wherein, the length and diameter of anchor rod body are processed as needed, liquid storage pipe 4, let out can first 5 outer surface set
There is trapezoidal thread, so as to be conducive to anchor pole to creep into.
For ease of direction of the adjustment steam vent 6 in anchor hole, filled described on first 1 provided with corresponding with the position of steam vent 6
Groove.
In above technical scheme, the baffle ring 12 with backing plate 3 is provided with the rear end of the liquid storage pipe 4, shown baffle ring 12 passes through
The location and installation of removable pin 2 is on liquid storage pipe 4.
The supporting step for slip casting Composite Bolt that the liquid carbon dioxide explosion is anti-reflection is as follows：
1st, before roadway surrounding rock bolt-grouting support strengthening construction, first choice is carried out engineering geological survey, rock physical and mechanic parameter and surveyed
Examination and tunnel relaxation zone are tested, acquisition rock physical and mechanic parameter, structural plane development condition, the basic ginseng such as tunnel relaxation zone scope
Number；
2nd, with reference to rock property, according to corresponding theory of blasting calculate determine Composite Bolt in steam vent 6 position, it is determined that
Behind the position of steam vent 6 and depth, hole depth and Composite Bolt total length are further determined that, Composite Bolt diameter takes 35mm；Anchor
Club shaft can be assembled according to actual induced fracture set direction steam vent layout angle it is different from quantity let out energy head, and steam vent
Position can be adjusted as needed；In the present embodiment, letting out can the first 5 prefabricated steam vent 6 for being mutually perpendicular to be arranged symmetrically, totally two
Row four.The position of steam vent 6 uses the corresponding mark of groove progress with filling first 1, is being fit into grasp Composite Bolt
In anchor hole and fixation procedure, direction of the adjustment steam vent 6 in rock mass；
3rd, a diameter of being constructed in roadway surrounding rock is less than the anchor hole 15 of anchor pole, and Composite Bolt is crept into along the anchor hole, it is ensured that
Anchor rod body is coupled with anchor hole wall, increasing friction force；Swollen shell anchorage head makes wedge nut 9 to filling head by rotating anchor rod body
1 direction is moved, and forces swollen shell intermediate plate 8 to open by the wedging action of wedge nut 9, embedded hole wall, anchor pole is fixed on rock mass
In；Liquid storage pipe 4 is reinforced by the backing plate 3 and baffle ring 12 of tail end, realizes to apply anchor pole prestressing force and formed and rock mass is radially hindered
Power；
4th, after anchor pole is fixed, a certain amount of liquid titanium dioxide is filled into liquid storage pipe 4 by the topping up hole 14 filled on first 1
Carbon, filling weight is on the basis of rock mass physical mechanical property and quality of surrounding rock classification, the burst pressure force value according to needed for induction blasting
Rationally determined, it is ensured that the globality of country rock is not damaged；
5th, the power supply of heating element heater 11 is connected, liquid carbon dioxide is quickly converted to gaseous state, high energy (pressure) air-flow by liquid
Expansion cause let out can piece 10 open, then from let out can first 5 steam vent 6 discharge, realize that induced fracture is acted on；Induced fracture is complete
Cheng Hou, by the crack propagation of certain time and after the development anti-reflection stage, you can carry out slip casting.Now, dismounting fills first 1, added
Thermal element 11, slurries by grouting pump 17 be pumped into liquid storage pipe 4 through let out can first 5 steam vent 6 enter anchor hole 15 and rock cranny
16, until filling fills fracture determining in rock mass, reach that anchor notes the effect of dual supporting.
It these are only present invention specific implementation case explanation, it is impossible to once limit the right protection scope of the present invention.It is all
The variations, modifications, additions or substitutions made in the essential scope of invention, should also belong to protection scope of the present invention.
Claims (6)
1. a kind of anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion, including anchor rod body and swollen shell anchorage head, its feature exist
In：The anchor rod body, which includes liquid storage pipe, be fixedly connected on letting out for liquid storage pipe front end head and to be detachably connected on after liquid storage pipe
That holds fills head, and described to let out the discharge conduit that liquid storage tube cavity is communicated with energy head, outer wall is provided with release pipe described in insertion
The steam vent on road；It is provided between liquid storage tube cavity and discharge conduit and lets out energy piece；The swollen shell anchorage head lets out energy described in being connected to
The front end of head；The valve for filling the topping up hole that liquid storage tube cavity is communicated with head and the opening and closing of control topping up hole, described
The rear end of liquid storage tube cavity is provided with heating element heater.
2. the anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion according to claim 1, it is characterised in that：The swollen shell
Anchorage head includes the swollen shell intermediate plate that a screw rod, a wedge nut and two valves are correspondingly arranged, and described screw rod one end can head front end with letting out
Be fixedly connected, the other end from passed through between the swollen shell intermediate plate of two valves and with the screw threaded of wedge nut, the wedge nut
Provided with the lozenges being engaged with swollen shell intermediate plate, the swollen shell intermediate plate of two valves is emitted by the tapering point of front end to link together.
3. the anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion according to claim 2, it is characterised in that：The swollen shell
The outer surface of intermediate plate is the surface of falling saw-tooth tapers, and the ring of falling sawtooth is laid.
4. the anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion according to claim 1, it is characterised in that：The liquid storage
Manage and let out energy head outer surface and carry trapezoidal thread.
5. the anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion according to claim 1, it is characterised in that：It is described to fill
Head is provided with groove corresponding with exhaust hole site.
6. the anti-reflection slip casting Composite Bolt of liquid carbon dioxide explosion according to claim any one of 1-5, it is characterised in that：
The rear end of the liquid storage pipe is provided with the baffle ring with backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710556290.1A CN107130988B (en) | 2017-07-10 | 2017-07-10 | Liquid carbon dioxide blasting anti-reflection grouting composite anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710556290.1A CN107130988B (en) | 2017-07-10 | 2017-07-10 | Liquid carbon dioxide blasting anti-reflection grouting composite anchor rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107130988A true CN107130988A (en) | 2017-09-05 |
| CN107130988B CN107130988B (en) | 2023-08-25 |
Family
ID=59737488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710556290.1A Active CN107130988B (en) | 2017-07-10 | 2017-07-10 | Liquid carbon dioxide blasting anti-reflection grouting composite anchor rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN107130988B (en) |
Cited By (9)
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| CN107461185A (en) * | 2017-10-09 | 2017-12-12 | 中国矿业大学(北京) | A kind of new fracturing drainage from coal seam coal seam device of air |
| CN109505556A (en) * | 2018-10-25 | 2019-03-22 | 北京鸿锐嘉科技发展有限公司 | Expand the restorative procedure of Grouting Pipe and tunnel lining concrete defect |
| CN110170286A (en) * | 2019-07-06 | 2019-08-27 | 河南佰利联新材料有限公司 | It is a kind of can on-line control dry gas seals aoxidize charging reaction device |
| CN110878693A (en) * | 2020-01-01 | 2020-03-13 | 方莹 | Gas leakage method of fracturing pipe and fracturing pipe |
| CN110905570A (en) * | 2019-12-10 | 2020-03-24 | 济宁学院 | A stock anchor beam supporting construction for coal mine tunnel |
| CN112627873A (en) * | 2020-12-15 | 2021-04-09 | 西南交通大学 | Rock burst prevention and treatment device and prevention and treatment method |
| CN112962596A (en) * | 2021-03-09 | 2021-06-15 | 福州大学 | Anchor cable structure capable of being repaired after earthquake and application method thereof |
| CN114769832A (en) * | 2022-06-10 | 2022-07-22 | 郑州宇光复合材料有限公司 | Carbon dioxide physical explosion welding device and welding method |
| CN115305911A (en) * | 2022-07-14 | 2022-11-08 | 陕西理工大学 | Anchoring device for preventing landslide geological disasters and use method thereof |
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| US4299515A (en) * | 1980-01-16 | 1981-11-10 | The Eastern Company | Rock reinforcement system |
| US4305687A (en) * | 1979-01-26 | 1981-12-15 | Jack Parker | Anchoring system for rock bolts |
| US4312611A (en) * | 1979-04-02 | 1982-01-26 | Hilti Aktiengesellschaft | Fastening element assembly with a spreading wedge |
| DE3105710A1 (en) * | 1981-02-17 | 1982-09-02 | Heinrich 4350 Recklinghausen Quante | Adhesive bolt |
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| CN114769832A (en) * | 2022-06-10 | 2022-07-22 | 郑州宇光复合材料有限公司 | Carbon dioxide physical explosion welding device and welding method |
| CN115305911A (en) * | 2022-07-14 | 2022-11-08 | 陕西理工大学 | Anchoring device for preventing landslide geological disasters and use method thereof |
| CN115305911B (en) * | 2022-07-14 | 2024-03-08 | 陕西理工大学 | Anchoring device for preventing landslide geological disasters and application method thereof |
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