CN202170778U - Even-pressure super-long grouting pipe capable of refluxing - Google Patents
Even-pressure super-long grouting pipe capable of refluxing Download PDFInfo
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- CN202170778U CN202170778U CN2011202830367U CN201120283036U CN202170778U CN 202170778 U CN202170778 U CN 202170778U CN 2011202830367 U CN2011202830367 U CN 2011202830367U CN 201120283036 U CN201120283036 U CN 201120283036U CN 202170778 U CN202170778 U CN 202170778U
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- grouting pipe
- canopy
- rigid body
- pipe
- stack
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Abstract
An even-pressure super-long grouting pipe capable of refluxing is characterized by comprising a framed timber carrying rigid body having a hollow structure. The rear end of the framed timber carrying rigid body is provided with a block board. The front section of the framed timber carrying rigid body is provided with a conical guide cap in a docking way. The front inner wall of the framed timber carrying rigid body is provided with grout outlets. A grouting pipe is equipped on the block board in an inserting way. An exhaust pipe which is juxtaposed with the rear end of the grouting pipe is further equipped. The rear end of the exhaust pipe and the rear end of the grouting pipe are equipped in an inverted Y-shaped split way. The front of the exhaust pipe is adjacent to the block board. The even-pressure super-long grouting pipe capable of refluxing in the utility model has the advantages of simple structure, simple manufacture, simple installation, convenient operation, few process, low cost, high operating efficiency, safety, reliability, good supporting effects, great injection grouting (water injection) effects and excellent exhaust effects.
Description
Technical field
The utility model relates to a kind of the backflow and all presses the overlength Grouting Pipe.
Background technology
In the mine construction work progress, work planes such as upright through being everlasting (tiltedly) pit shaft, Da Xiang, flat inclined gallery, chamber run into topsoil, old working, old dead zone, coal rock layer structural belt, crushing rock formation band, subsidence area band at present.Take out group, roof fall and gas and give prominence in order to prevent and treat coal (rock) layer; Prevented old working, old dead zone and rock stratum to pass through watered-out well; To advance support, protrusion-dispelling, anti-concrete condition of harnessing the river, need carry out the extraction coal-bed gas, water filling discharges gas, crosses work such as water guide, grouting for water blocking in the aquifer, to realize Mine Safety in Production in the coal seam; Increase work efficiency the generation of preventing accident.At present; The form of construction work that was used for topsoil, coal seam, structure zone of fracture, gas drainage under suction, coal body water filling and grouting for water blocking mainly contains two kinds, and a kind of is that releasing pipe is inserted in the extraction hole, adopts like sealing of holes such as yellow mud, chemical materials; After the gas drainage under suction; Coal is crossed in tunnelling, also will play the boring of pipe canopy, pipe canopy pipe, temporary lining, the supporting of frame gold, concrete spraying support down, and this method of operating is complicated, operation is more, input is many, the time is long, work cycle is long; Be prone to take out group, roof fall, safety does not have guarantee; Another kind of adopt the hole packer sealing of hole, though have hole-sealing technology simple, quick, advantage such as can reuse, also have following defective: price is high, fragile, the drilling quality of sealing of hole section is had relatively high expectations, and requires boring not have distortion, nothing collapse hole, shrinkage cavity.After coal body extraction, the water filling and behind the rock crushing band grouting for water blocking, the tunnel is tunneled forward, also will play the boring of pipe canopy, takes pipe canopy pipe, temporary lining, the supporting of frame gold, concrete spraying support.Though a kind of better before the ratio, overall operation does not reduce.
The utility model content
The utility model provides a kind of the backflow all to press the overlength Grouting Pipe, and simple in structure, easy to use, operation is few, and cost is low, and high efficiency is safe and reliable, and supporting, slip casting (water filling), extraction are effective.
In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: can reflux and all press the overlength Grouting Pipe; What comprise hollow structure lifts the canopy rigid body, and the rear end of lifting the canopy rigid body is provided with closure plate, and the leading portion of lifting the canopy rigid body is to being equipped with the guiding cap of taper; The front inner wall of lifting the canopy rigid body is provided with slurry outlet, is equipped with Grouting Pipe on the closure plate; The concordant stack that is set side by side with the Grouting Pipe rear end, stack rear end and Grouting Pipe rear end are herringbone bifurcated cracking and are provided with, and the front end of stack is near the closure plate setting.
Described length of lifting the canopy rigid body is 10-30m, and the length of stack is 2m, and Grouting Pipe is passed closure plate, and to get into the length lift in the canopy rigid body be 500mm; Described stack front end is 20mm apart from the closure plate distance.
The bifurcated cracking length of described stack and Grouting Pipe is 200mm, and maximum cracking is apart from 150mm.
Described guiding cap height is 70mm.
Described lifting on the canopy rigid body is provided with two groups of slurry outlets apart from guiding cap 500mm and 1500mm place, every group of 3 slurry outlets, and the diameter of each slurry outlet is 15mm, the central point of every slurry outlet is 120 with lifting the canopy rigid body central axis projection angle that intersects vertically
0Every group of slurry outlet is reference with the interstitial hole, in addition up and down two hang down apart from a distance of being 200mm apart from interstitial hole.
The utility model is simple in structure, makes simple installation, and easy to operate, operation is few, and cost is low, and high efficiency is safe and reliable, and supporting, slip casting (water filling), extraction are effective.
The utility model solved on the one hand boring collapse hole, shrinkage cavity and pipeline crackle, leak out, the failure problems of leakage even fracture; Play the effect of advance support roadway surrounding rock body on the other hand, and shortened the working time greatly again in the construction, improved operating efficiency; Reduced the cycle-index of extraction, slip casting (water filling); Reduced and safeguarded roadway surrounding rock workload and cost, extraction or fluid injection speed are fast, and efficient is high; Be easy to safeguard, guaranteed the quality and safety property of advance support, extraction or fluid injection.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Embodiment: as shown in Figure 1, can reflux and all press the overlength Grouting Pipe, what comprise hollow structure lifts canopy rigid body 2; Lift canopy rigid body pipe only son and heir length 10-30m; Stack 6 length 2m lift canopy rigid body pipe 2 one ends and are provided with closure plate 3, and the other end is provided with and is welded with conical guiding cap 5.Lift boron steel body 2 internal sleeve and be provided with coaxial Grouting Pipe 1, Grouting Pipe 1, lift canopy rigid body pipe 2 and be seamless steel pipe, Grouting Pipe 1 is less than lifting canopy rigid body pipe 2 length; Grouting Pipe 1 is passed closure plate 3 and is got into and lift length 500mm canopy rigid body 2 in lifting canopy rigid body 2 one ends, and protruded length 200mm welds the stack 6 that connects together side by side with Grouting Pipe 1; Than the short 500mm of Grouting Pipe; Stack 6 one ends and Grouting Pipe 1 and neat and herringbone are broken into two with one's hands, cracking length 200mm, and maximum cracking is apart from 150mm; The other end and Grouting Pipe 1 is also neat and be 20mm apart from the distance of closure plate 3.The other end of lifting canopy rigid body 2 is welded with conical guiding cap 6, and guiding cap 6 diameters are with to lift the firm 2 body diameters of canopy consistent, and guiding cap 5 height are 70mm; Lift that the distance apart from guiding cap 5 is that 500mm and 1500mm place are provided with two groups of slurry outlets 4 on the canopy rigid body 2; Every group is provided with three slurry outlets 4; Every slurry outlet 4 diameters are 15mm; Three slurry outlets 4 are looped around on the rigid body pipe of lifting canopy rigid body pipe 2 central axiss equably, and every slurry outlet 4 central points are 120 with lifting the canopy rigid body 2 central axiss projection angle that intersects vertically
0Every group of slurry outlet 4 is reference with the interstitial hole, in addition up and down two hang down apart from a distance of 200mm apart from interstitial hole.
Lift canopy rigid body 2, closure plate 3 is consistent with conical guiding cap 5 outside dimensions.Stack 6 and Grouting Pipe 1 weldering side by side stick together, and lift canopy rigid body 2, closure plate 3, conical guiding cap 5, slurry outlet 4 and are on the same axis of rotation.
Owing to lift canopy rigid body length between 10-30m, in time install after the Completion of Drilling Hole, greatly the prevention boring design length and the control range of hole, shrinkage cavity blocking-up fluid injection and extraction of collapsing.
Adopt said structure, inject and lift at the bottom of the canopy Guan Zhikong, Grouting Pipe 1 is exposed aperture 150mm with stack 6, with cement anchoring agent sealing aperture; Connect grouting pipeline, exposing the end diameter of screwing at slip casting, stack is that the valve of 25mm is connected with grouting pipeline again, begins to annotate biliquid and starches and fixedly lift the canopy pipe; The biliquid slurry is got into by Grouting Pipe and lifts in the canopy rigid body 2, has the slurry outlet 4 of lifting canopy rigid body 2 to release, and utilizes slurries " to walk sky and do not walk reality " again; Along the outside characteristics of anti-slurry of pipeline, lifting the peripheral filling of canopy pipe closely knit, outwards emit mortar until stack; Close the valve on the stack, in pipe, annotate certain water gaging dilution again and lift slurries in the canopy pipe, it is solidified stop annotating.The biliquid slurry that annotates is combined closely with the rock stratum of lifting canopy pipe periphery through quick solidifying and is integral, and reaches tight sealing of hole, solid hole, measuring body purpose; Tighten up and lift the canopy pipe and adopt biliquid slurry filling hole and rock stratum to be solidified into one, simple in structure, easy and simple to handle, seal degree can progressively advance, and reaches better sealing, resistance to compression effect; Stack can play scavenging action, and timely exhaust air when slip casting prevents to lift canopy pipe periphery space, pore filling, displacement leakiness, insufficient; Admittedly manage intensity after slurries are solidified and do not reach requirement; When water filling, slip casting, cause that to lift the not resistance to compression of canopy pipe loosening, spillage, leak or body ejects; Guiding cap can prevent to lift in the canopy pipe reeve process and deviation and blocking pipeline occur, plays smoothly at the bottom of the hole, to act on down; It is inhomogeneous to external diffusion that slurry outlet prevents to lift in the slip casting process canopy pipe periphery slurries, causes the slurries sideslip, and the formed curtain body part of having vacant position does not reach the purpose of slip casting, water filling after slip casting, the water filling.Grouting Pipe is to be transported to slip casting, the inconsistent slurries of topping-up pump ejection pressure to lift canopy rigid body 2 inside, plays the effect of buffering slurries pressure, and the pressure equalizing in lifting the canopy pipe is consistent through the slurries pressure of slurry outlet output.Lift the effect of canopy rigid body 2, play the effect of carrying slurries on the one hand, make the slurries of pressure equalizing receive to annotate the zone, prevent that slurries from releasing midway, do not reach the purpose of fluid injection through smooth arrival of rigid body pipe; Play the effect of advance support on the other hand, after water filling, the fluid injection, play the reinforced roadway top board, in the slip casting diffusion zone, form closely knit integral body, play the skeleton of leading support rock mass with the curtain rock mass.
After extraction or fluid injection drilling construction are accomplished, in the hole, press wind or press the clear water hole flushing, clean out drilling cuttings remaining in the hole, rock ballast.The manual work of canopy device is lifted in overlength supporting slip casting gently send in the hole, outer 150 ㎜ long Grouting Pipe 1 and the stack 6 reserved of boring, with anchoring agent or chemical agent sealing of hole, sealed borehole length 500mm (connect extraction pipeline, carry out gas drainage under suction at once).The ball valve of diameter 25mm is installed at Grouting Pipe 1 and stack 6 then, and stack 6 slip castings are opened in earlier stage, when valve begins outwards anti-thick slurries, prove lift water in the canopy boring, the air drainage finishes, valve-off at once.Valve on the Grouting Pipe 1 connects with straight hoop, is connected with grouting pipeline with straight hoop at last, and the canopy pipe is fixedly lifted in beginning slip casting.Through situ configuration (water/binder ratio 1:1) slurries through Grouting Pipe-lift canopy rigid body-slurry outlet-lift the inside, canopy hole annotate real after; Slurries outwards return slurry along pipeline; Along with slurries constantly are pressed into; Slurries carry out filling, displacement to lifting inner pore slit, canopy hole, and slurries solidify the back lifting the canopy pipe and lift the peripheral rock stratum of canopy pipe to combining closely into a firm integral body, thereby reach the purpose of solid pipe.When the valve on the stack begins outwards anti-thick slurries, stop slip casting, pipe is washed in water filling in Grouting Pipe.After slurries solidified 48 hours, beginning coal body water filling or injection slurry were reinforced and are received to annotate the zone.
Claims (5)
1. can reflux and all press the overlength Grouting Pipe; It is characterized in that: what comprise hollow structure lifts the canopy rigid body, and the rear end of lifting the canopy rigid body is provided with closure plate, and the leading portion of lifting the canopy rigid body is to being equipped with the guiding cap of taper; The front inner wall of lifting the canopy rigid body is provided with slurry outlet, is equipped with Grouting Pipe on the closure plate; The concordant stack that is set side by side with the Grouting Pipe rear end, stack rear end and Grouting Pipe rear end are herringbone bifurcated cracking and are provided with, and the front end of stack is near the closure plate setting.
2. according to claim 1 the backflow all pressed the overlength Grouting Pipe, it is characterized in that: described length of lifting the canopy rigid body is 10-30m, and the length of stack is 2m, and Grouting Pipe is passed closure plate, and to get into the length lift in the canopy rigid body be 500mm; Described stack front end is 20mm apart from the closure plate distance.
3. according to claim 1 and 2 the backflow all pressed the overlength Grouting Pipe, it is characterized in that: the bifurcated cracking length of described stack and Grouting Pipe is 200mm, and maximum cracking is apart from 150mm.
4. according to claim 3 the backflow all pressed the overlength Grouting Pipe, it is characterized in that: described guiding cap is high to be 70mm.
5. all press the overlength Grouting Pipe according to claim 1 or 4 described backflows; It is characterized in that: described lifting on the canopy rigid body is provided with two groups of slurry outlets apart from guiding cap 500mm and 1500mm place; Every group of 3 slurry outlets; The diameter of each slurry outlet is 15mm, and the central point of every slurry outlet is 120 with lifting the canopy rigid body central axis projection angle that intersects vertically
0Every group of slurry outlet is reference with the interstitial hole, in addition up and down two hang down apart from a distance of being 200mm apart from interstitial hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202830367U CN202170778U (en) | 2011-08-05 | 2011-08-05 | Even-pressure super-long grouting pipe capable of refluxing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202830367U CN202170778U (en) | 2011-08-05 | 2011-08-05 | Even-pressure super-long grouting pipe capable of refluxing |
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| Publication Number | Publication Date |
|---|---|
| CN202170778U true CN202170778U (en) | 2012-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202830367U Expired - Fee Related CN202170778U (en) | 2011-08-05 | 2011-08-05 | Even-pressure super-long grouting pipe capable of refluxing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669363A (en) * | 2013-12-31 | 2014-03-26 | 青建集团股份公司 | Anti-floating anchor rod pressure grouting device |
| CN104500045A (en) * | 2014-12-15 | 2015-04-08 | 中铁第四勘察设计院集团有限公司 | Ground temperature test method for drilling grouting in deeply buried chamber |
-
2011
- 2011-08-05 CN CN2011202830367U patent/CN202170778U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669363A (en) * | 2013-12-31 | 2014-03-26 | 青建集团股份公司 | Anti-floating anchor rod pressure grouting device |
| CN103669363B (en) * | 2013-12-31 | 2016-01-13 | 青建集团股份公司 | A kind of anti-float anchor rod pressure grouting device for overall |
| CN104500045A (en) * | 2014-12-15 | 2015-04-08 | 中铁第四勘察设计院集团有限公司 | Ground temperature test method for drilling grouting in deeply buried chamber |
| CN104500045B (en) * | 2014-12-15 | 2018-03-27 | 中铁第四勘察设计院集团有限公司 | A kind of geothermal test method of deep cavern internal drilling slip casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20150805 |
|
| EXPY | Termination of patent right or utility model |