CN114033456B - Infiltration reinforcing apparatus suitable for sandstone grotto roof anchor pore wall - Google Patents
Infiltration reinforcing apparatus suitable for sandstone grotto roof anchor pore wall Download PDFInfo
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- CN114033456B CN114033456B CN202111432026.XA CN202111432026A CN114033456B CN 114033456 B CN114033456 B CN 114033456B CN 202111432026 A CN202111432026 A CN 202111432026A CN 114033456 B CN114033456 B CN 114033456B
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- 238000001764 infiltration Methods 0.000 title claims description 58
- 230000008595 infiltration Effects 0.000 title claims description 57
- 239000007788 liquid Substances 0.000 claims abstract description 136
- 239000007921 spray Substances 0.000 claims abstract description 90
- 239000011435 rock Substances 0.000 claims abstract description 32
- 238000010992 reflux Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 51
- 239000010959 steel Substances 0.000 claims description 51
- 238000003860 storage Methods 0.000 claims description 20
- 238000004873 anchoring Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 239000010985 leather Substances 0.000 claims description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 230000035611 feeding Effects 0.000 claims 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 41
- 238000000034 method Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 12
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Classifications
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- 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- 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
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- 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
- E21D21/008—Anchoring or tensioning means
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to a permeation reinforcing device suitable for the wall of an anchor hole of a sandstone grotto roof, which is used for carrying out gradual permeation reinforcement on the anchor hole by pressurizing a liquid feeding and permeation reinforcing unit, so that the deep layer of the wall of the anchor hole is uniformly permeated and completely reinforced, the wettability of the wall of the hole and the compatibility of the wall of the hole and a rock body after the anchor is formed are improved, the flowing water loss effect of slurry is effectively reduced, and the problems that the traditional permeation reinforcing method cannot penetrate deep into the anchor hole and the permeation is uneven are solved. Through liquid collection device returns, collect the reinforcement liquid that spouts oozing in-process along the pore wall downflow, avoided reinforcement liquid flow drip to the pollution damage of historical relic body, through observing the reflux volume of reinforcement liquid in the liquid collection container that flows back, adjust automatic safety bleeder valve and spray pressure, accomplish the pore wall and evenly permeate to the reinforcing quality and the effect of flat top cave roof have been wholly improved. The invention provides a new thought for the research and engineering application in the geotechnical engineering field through the reinforcement of the anchor hole walls in different directions and at different angles.
Description
Technical Field
The invention relates to the technical field of reinforcement and protection of stone bodies in a temple, in particular to a device suitable for penetration and reinforcement of anchor hole walls of stone bodies of flat-topped cavern top plates, which integrally improves the reinforcement quality and effect of cracked stone bodies of the flat-topped cavern top plates and effectively protects cultural relics of the cavern.
Background
Due to the influence of long-term natural force and human factors, the stone cave temple generates a series of serious diseases such as slope instability, rock mass collapse, through crack development, cave stripping collapse, severe surface weathering and the like, so that the stone cave art is damaged to different degrees. In particular, the common layers of flat-top cave top plates are nearly parallel, most of cementing materials in rock bodies are clay minerals which are easy to disintegrate and expand when meeting water, and the layers of rock layers are poor in cementing property and low in mechanical strength. In the process of cutting a grotto, the original stress balance state in the rock is destroyed, the cutting disturbance of the grotto provides external force for unloading and relaxing the rock, tension cracks are generated between layers under the action of gravity and unloading and relaxing the rock, and the scale of the cracks is continuously enlarged along with deformation. Under the effects of wind and sand erosion and natural weathering, the grotto roof is cracked, and the rock mass is gradually broken and falls off. The continuous occurrence of the process causes cave top collapse, and seriously threatens the grotto temple.
The method for reinforcing the cave-occurring rock slump disease is more, and generally adopts the methods of stone column support, chemical grouting, steel beam suspended ceiling reinforcement, anchor rod anchoring and the like. The anchor rod anchoring technology has the characteristics of weak disturbance, strong concealment, high anchoring force and the like, and is widely applied to the reinforcement engineering of grotto dangerous rock mass. In order to prevent the problems of poor slurry fluidity, reinforced liquid drop, polluted cultural relic body and the like caused by overlarge friction resistance of hole wall residues and hole wall interfaces and excessive slurry water loss in the grouting process of the anchor rod, the anchor rod cannot be fully poured in the anchor inserting process, the expected anchoring depth cannot be reached, and the anchoring effect is reduced. Therefore, the research on the device for penetrating and reinforcing the rock anchoring hole wall of the flat roof cave roof is of great significance for preventing damage to the cave roof and protecting the cave temple.
Disclosure of Invention
The invention provides a permeation reinforcing device suitable for the anchor hole wall of a sandstone grotto roof, which utilizes a pressurizing liquid feeding unit, a permeation reinforcing unit and a liquid return collecting unit to ensure that grouting slurry is uniformly diffused, effectively prevent slurry flowing and water loss effects, ensure that the grouting slurry is not polluted by the flowing reinforcing liquid to the cultural relic body, achieve the purposes of uniform reinforcing and deep reinforcing of the anchor hole wall and integrally improve the reinforcing quality and effect of a flat-topped grotto roof cracked rock body.
In order to achieve the above purpose, the invention adopts the following technical scheme:
pore wall infiltration reinforcing apparatus suitable for flat-topped cave roof rock mass anchor engineering, its characterized in that: the device comprises a pressurizing liquid feeding and permeation strengthening unit and a liquid return collecting unit, wherein the pressurizing liquid feeding and permeation strengthening unit is communicated with the liquid return collecting unit, strengthening liquid flowing downwards under the action of gravity on the wall of an anchoring hole is collected through the liquid return collecting unit, and the collection amount is fed back to the pressurizing liquid feeding and permeation strengthening unit to be used for adjusting permeation strengthening parameters.
The pressurizing liquid feeding and penetrating reinforcing unit comprises a high-pressure liquid feeding device and a spraying and penetrating device, wherein the high-pressure liquid feeding device comprises a liquid storage barrel, a leather buffer pad, a barometer, a steel core, an automatic air leakage safety valve, a high-pressure explosion-proof pipe, a steel valve and a steel spray pipe; the air pressure gauge, the steel core, the high-pressure explosion-proof pipe and the automatic air release safety valve are all arranged on the side wall of the liquid storage barrel, and the leather buffer pad is arranged at the lower part of the liquid storage barrel and used for providing buffer force to protect the liquid storage barrel; the high-pressure explosion-proof pipe is arranged on the side wall of the liquid storage barrel and used for guiding liquid in the steel barrel into the steel spray pipe, the inner diameter and the outer diameter of the high-pressure explosion-proof pipe are equal to those of the steel spray pipe, and the steel valve is provided with threads for connecting the high-pressure explosion-proof pipe and the steel spray pipe. The device is used for controlling the reinforcement liquid to be led into the steel spray pipe from the high-pressure explosion-proof pipe, one end of the steel spray pipe is connected with the steel valve, and the other end of the steel spray pipe is connected with the spraying and infiltration device and used for conveying the reinforcement liquid to the spraying and infiltration device.
The spray infiltration device comprises a spray infiltration pipe, spray nozzle holes and spray infiltration heads, wherein one end of the spray infiltration pipe is closed, a threaded joint is arranged at the other end of the spray infiltration pipe, the threaded joint is fixedly connected with a steel spray pipe, one spray nozzle hole is arranged on the spray infiltration pipe at each interval of 1cm along the radial direction along the circumferential direction at each 45 degrees, the axial rotation angle between every two adjacent spray nozzle holes is 45 degrees, the spray infiltration heads are fixedly arranged in the spray nozzle holes, and reinforcing liquid is conveyed into the spray infiltration pipe in a high-pressure spraying mode, atomized by the spray infiltration heads and then uniformly sprayed on the hole wall;
the liquid return collecting unit comprises a liquid return funnel, a rubber sealing gasket, a connecting hose, a liquid return collecting pipe, a top cover, a liquid return collecting container, an annular protection frame, a fixing clamping groove, a supporting frame and an air suction pipe; the liquid return funnel is conical, the inner wall is provided with a diversion trench, the center position of the bottom is provided with two holes, the steel spray pipe and the connecting hose are respectively embedded and connected, and the center position of the top cover is embedded into the liquid return collecting pipe; the outer diameter of the reflux liquid collecting pipe interface is equal to the inner diameter of the top cover, the reflux liquid collecting pipe is spirally sleeved with the top cover, and the top cover is spirally connected with the reflux liquid collecting pipe interface; the top of the reflux liquid collecting pipe is connected with a hose, and the bottom of the reflux liquid collecting pipe is connected with a discharge pipe through a honeycomb duct; the length of honeycomb duct equals with the length of blow off pipe, and the internal diameter of honeycomb duct is the twice of blow off pipe internal diameter, inside honeycomb duct and the equal embedding backward flow liquid collection container of blow off pipe, the annular fender bracket has been cup jointed to the equidistance on the outside casing of backward flow liquid collection container, and the outside spiral of annular fender bracket is fixed with fixed draw-in groove, fixed draw-in groove) is connected with steel spray tube and is used for collecting the container with fixed backward flow liquid, the top cover outside is fixed with the support frame, the top of support frame is equipped with the breathing pipe, the top of breathing pipe communicates with the inside of top cover through the connector, the inside embedding of breathing pipe has the piston, be connected with the pull rod on the piston and adjust the piston.
The invention has the advantages and the beneficial effects that:
(1) The invention adopts the spray infiltration device and the liquid collecting device to improve the infiltration degree of the hole wall and the compatibility of the hole wall and the rock mass after the anchor is formed, adopts the mode of successive infiltration reinforcement, enables the deep layer of the hole wall of the anchor hole to uniformly infiltrate through the spray infiltration and liquid collecting device, and the spray infiltration head atomizes and uniformly sprays the reinforcing liquid on the surface of the wall of the anchor hole, thereby improving the infiltration degree of the hole wall and the compatibility of the hole wall and the rock mass after the anchor is formed, effectively reducing the flow water loss effect of slurry, realizing the reinforcement of the rock cave roof, solving the problems that the traditional spray infiltration reinforcement method cannot penetrate into the inside of the anchor hole and the spray infiltration is uneven, and integrally improving the reinforcement quality and effect of the broken rock mass of the flat cave roof.
(2) According to the invention, the liquid return collecting device is adopted, so that the problem of dripping of reinforcement liquid in the process of penetrating and reinforcing the anchor hole wall in the rock mass anchoring engineering of the flat-top cave roof is solved, the reinforcement liquid flowing down along the hole wall in the spraying and infiltration process is collected through the liquid return collecting device, the pollution damage of the flowing dripping of the reinforcement liquid to the body of the cultural relics below is avoided, the spraying pressure is regulated by using an automatic safety air release valve by observing the reflux amount of the reinforcement liquid in a liquid return collecting container, and the uniform penetration and complete reinforcement of the hole wall are realized.
(3) The invention is not only suitable for the penetration and reinforcement of the wall of the anchor hole in the flat-top cave roof rock mass anchoring engineering, but also provides a practical device for the research and engineering application in the geotechnical engineering field, reinforces the cave roof of the rock mass, prevents the cave roof from collapsing and contributes to protecting excellent cultural heritage of China.
(4) The method is simple to operate, convenient to apply, economical and practical, and can be widely applied to various hole wall penetration reinforcement sites of anchor rod anchoring engineering in site protection.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a schematic structural view of a high-pressure liquid feeding device according to the present invention
FIG. 3 is a schematic structural view of a spray infiltration device according to the present invention
FIG. 4 is a schematic structural view of a liquid collecting device according to the present invention
FIG. 5 is a schematic view of an exhaust pipe according to the present invention
FIG. 6 is a schematic view of the structure of the suction pipe of the present invention
In the figure, 1-liquid storage barrel, 2-cortical cushion, 3-barometer, 4-steel core, 5-automatic air release safety valve, 6-high pressure explosion-proof pipe, 7-steel valve, 8-steel spray pipe, 9-spray infiltration pipe, 10-spray nozzle hole, 11-spray infiltration head, 12-liquid return funnel, 13-rubber sealing gasket, 14-connecting hose, 15-liquid return collecting pipe, 16-flow guide pipe, 17-discharge pipe, 18-top cover, 19-liquid return collecting container, 20-annular protection frame, 21-fixed slot, 22-support frame, 23-air suction pipe, 24-connector, 25-piston and 26-pull rod.
Detailed description of the preferred embodiments
The technical scheme of the invention is further described in detail below with reference to the accompanying drawings:
as shown in fig. 1-2, a pore wall penetration reinforcing device suitable for flat-top cave roof rock mass anchoring engineering comprises a pressurizing liquid feeding unit, a penetration reinforcing unit and a liquid return collecting unit; the pressurization liquid feeding and infiltration reinforcing unit comprises a high-pressure liquid feeding device and an infiltration device, the high-pressure liquid feeding device comprises a liquid storage barrel 1, a leather buffer cushion 2, a barometer 3, a steel core 4, an automatic air release safety valve 5, a high-pressure explosion-proof pipe 6, a steel valve 7 and a steel spray pipe 8, the barometer 3, the steel core 4 and the automatic air release safety valve 5 are arranged on the side wall of the liquid storage barrel 1 and are used for observing the air pressure in the liquid storage barrel and relieving pressure after the operation is completed, the steel core 4 is arranged on the upper wall of the liquid storage barrel 1 and is used for providing stable air pressure for the barrel, the leather buffer cushion 2 is arranged on the lower portion of the liquid storage barrel 1 and is used for providing buffer force to protect the liquid storage barrel 1, the high-pressure explosion-proof pipe 6 is arranged on the side wall of the liquid storage barrel 1 and is used for guiding liquid in the steel spray pipe 8, the steel valve 7 is connected with the high-pressure explosion-proof pipe 6 and the steel spray pipe 8 through a threaded joint and is used for controlling the reinforcement liquid to be led into the steel spray pipe 8 from the high-pressure explosion-proof pipe 6, one end of the steel spray pipe 7 is connected with the steel spray pipe 7 and the infiltration device.
As shown in fig. 3, the spray and infiltration device comprises a spray and infiltration pipe 9, spray nozzle holes 10 and spray and infiltration heads 11, one end of the spray and infiltration pipe 9 is closed, the other end of the spray and infiltration pipe 9 is provided with a threaded joint, the threaded joint is fixedly connected with a steel spray pipe 8, each spray and infiltration pipe 9 is provided with one spray nozzle hole 10 along the radial direction every 1cm, every 45 degrees along the circumferential direction, the axial rotation angle between every two adjacent spray nozzle holes is 45 degrees, and the spray and infiltration heads 11 are fixedly arranged in the spray nozzle holes.
As shown in fig. 4, the liquid return collecting unit includes a liquid return funnel 12, a rubber sealing gasket 13, a connection hose 14, a return liquid collecting pipe 15, a tip cap 18, a return liquid collecting container 19, an annular protection frame 20, a fixing clip groove 21, a support frame 22, and an air suction pipe 23. The liquid return funnel 12 is conical, the inner wall is provided with a diversion trench, the bottom center position is provided with two holes, the steel spray pipe 8 and the connecting hose 14 are respectively embedded and connected, the top center position of the top end cover 18 is embedded with the backflow liquid collecting pipe 15, the top end of the backflow liquid collecting container 19 is spirally sleeved with the top end cover 18 through the backflow liquid collecting pipe 15, the top of the backflow liquid collecting pipe 15 is connected with the connecting hose 14, the bottom is connected with the discharge pipe 17 through the diversion pipe 16, the diversion pipe 16 and the discharge pipe 17 are embedded into the backflow liquid collecting container 19, the outer side shell of the backflow liquid collecting container 19 is equidistantly sleeved with the annular protection frame 20, the outer side of the annular protection frame 20 is spirally fixed with the fixing clamping groove 21, the fixing clamping groove 21 is connected with the steel spray pipe 8 and used for fixing the backflow liquid collecting container 19, the outer side of the top end cover 18 is fixed with the supporting frame 22, the top of the supporting frame 22 is provided with the air suction pipe 23, the top end of the air suction pipe 23 is communicated with the inner side of the top end cover 18 through the connector 24, the piston 25 is embedded into the inner side of the air suction pipe 23, and the piston 25 is connected with the pull rod 26 to adjust the piston 25.
As shown in fig. 6, the air suction pipe 23 includes a piston 25 and a pull rod 26, and sucks air from the interior of the backflow liquid collection container 19 through the air suction pipe 23, so that negative pressure is generated in the interior of the backflow liquid collection container 19, and residual waste liquid in the interior of the backflow liquid collection pipe 15 is recovered to the interior of the backflow liquid collection container 19, so that pollution to the cultural relics caused by backflow generated by residual waste liquid in the interior of the connecting hose 14 is prevented, and the spray infiltration reinforcement process is safer.
The method for penetrating and reinforcing the flat-top cave roof rock mass anchoring engineering by the device comprises the following steps:
(1) Hole cleaning for anchor rod drilling:
according to the hole site fixed drilling machine, the drilling direction is vertical upwards, and in order to prevent adverse effects of engineering water on rock mass, all rock bolt holes are formed by adopting roller bit dry drilling without water, so that high-pressure air is used for cleaning hole slag. In order to reduce the damage to the stability of the roof rock mass caused by mechanical vibration, a light high-frequency impactor is adopted to drill in a percussion manner, and an alloy drill bit or a roller bit is firstly adopted to open holes at the thinner part of the rock stratum, so that vibration is avoided, and the safety of cultural relics is ensured. And high-pressure air is used for completely cleaning rock powder and water in the hole out of the hole so as to avoid reducing the bonding strength of mortar and a hole wall rock-soil body. The depth of the anchor holes is selected to be 0.5-6.0 m according to engineering implementation, and the hole depth is 2.0m for example.
(2) Connecting device and debugging:
according to the engineering implementation scheme, installing anchor rods for anchoring from bottom to top, positioning and punching (the hole depth is generally 0.5 m-6.0 m unequal) the flat-topped cave roof rock mass, orderly connecting and debugging the whole device after the hole is cleared, checking the tightness of each interface, debugging the spray-infiltration head 11 into atomized spray, and debugging the steel valve 7 and the air suction pipe 23;
(3) Carrying out spray infiltration reinforcement on the anchor holes step by step for a plurality of times:
preparing a silicon-acrylic reinforcing solution with the concentration of 47% and the concentration of 1.5%, adding the silicon-acrylic reinforcing solution into a liquid storage barrel, wherein the height of the silicon-acrylic reinforcing solution is not more than two thirds, pressing a steel core 4 for multiple times to enable a barometer 3 to display the pressure of 1-3 MPa, slowly placing a spraying and seepage device into an anchor hole and centering the anchor hole, enabling a stretching length of a spraying and seepage pipe 9 to fully spray and cover the anchor hole wall, tightly attaching a rubber sealing gasket 13 at the upper part of a liquid return funnel 12 to the surface of an upper rock body, opening a steel valve 7 to spray the reinforcing solution to the hole wall of the anchor hole, observing the reflux amount of the reinforcing solution in a reflux liquid collecting container 19, adjusting the spraying pressure by using an automatic safety air release valve 5 when the reflux amount is too large, preferably slowly refluxing the reinforcing solution, gradually reducing the spraying pressure in the spraying process, and stably increasing the flow rate of the reinforcing solution to be a mark of the end of the first spraying and seepage reinforcing solution; performing second spray infiltration reinforcement after the first spray infiltration reinforcement for 24 hours, wherein the operation method is the same as the above, and the flow rate of the reinforcement liquid is steadily increased to be a sign of finishing the second spray infiltration reinforcement; after the second spray infiltration reinforcement is carried out for 6 hours, the third spray infiltration reinforcement is carried out, the operation method is the same as the above, and the reinforcement liquid flow rate is steadily increased to be a sign of ending the third spray infiltration reinforcement; after three times of spray infiltration reinforcement, the wettability of the hole wall and the compatibility of the hole wall and the rock mass after anchoring are improved, the flowing water loss effect of slurry is effectively reduced, meanwhile, the liquid return collecting unit prevents the pollution damage of the flowing and dripping of the reinforcement liquid to the cultural relic body, and the reinforcement quality and effect of the flat-top hole roof cracking rock mass are integrally improved.
(4) Spray infiltration device and liquid return collection device cleaning:
after the spray infiltration reinforcement is completed, the reinforcement liquid is completely sucked into the backflow liquid collection container 19 by using the air suction pipe 23, the reinforcement liquid in the liquid storage barrel 1 and the backflow liquid collection container 19 is poured out for proper treatment, then the whole device is introduced into clean water for pressurized cleaning, the residual reinforcement liquid in the pipeline is completely discharged, then the whole device is split, the joints are cleaned and wiped clean in the clean water, and the reinforced liquid is properly stored after being dried.
Claims (1)
1. Pore wall infiltration reinforcing apparatus suitable for flat-topped cave roof rock mass anchor engineering, its characterized in that: the device comprises a pressurizing liquid feeding and spraying device unit and a liquid return collecting unit, wherein the pressurizing liquid feeding and penetrating and reinforcing unit is communicated with the liquid return collecting unit, reinforcing liquid flowing under the action of gravity on the wall of an anchoring hole is collected through the liquid return collecting unit, and the collecting quantity is fed back to the pressurizing liquid feeding and penetrating and reinforcing unit for adjusting parameters of penetrating and reinforcing;
the pressurizing liquid feeding and penetrating reinforcing unit comprises a high-pressure liquid feeding device and a spraying and penetrating device, the high-pressure liquid feeding device comprises a liquid storage barrel (1), a leather buffer pad (2), a barometer (3), a steel core (4), an automatic air leakage safety valve (5), a high-pressure explosion-proof pipe (6), a steel valve (7) and a steel spray pipe (8), the barometer (3), the steel core (4), the high-pressure explosion-proof pipe (6) and the automatic air leakage safety valve (5) are arranged on the side wall of the liquid storage barrel (1), the leather buffer pad (2) is arranged at the lower part of the liquid storage barrel (1) and used for providing buffering force to protect the liquid storage barrel (1), the high-pressure explosion-proof pipe (6) is arranged on the side wall of the liquid storage barrel (1) and used for guiding liquid in the steel barrel into the steel spray pipe (8), the inner diameter and the outer diameter of the high-pressure explosion-proof pipe (6) are equal, threads are formed on the steel valve (7) and are formed in the steel valve (7) and used for connecting the high-pressure explosion-proof pipe (6) with the steel spray pipe (8) to be used for controlling the connection of the high-pressure explosion-proof pipe (8) and the steel spray pipe (8) to be connected with one end of the steel spray pipe (8;
the spray infiltration device comprises a spray infiltration pipe (9), spray nozzle holes (10) and spray infiltration heads (11), one end of the spray infiltration pipe (9) is closed, a threaded joint is arranged at the other end of the spray infiltration pipe, the threaded joint is fixedly connected with a steel spray pipe (8), one spray nozzle hole (10) is arranged on the spray infiltration pipe (9) along the radial direction every 1cm along the circumferential direction every 45 degrees, the axial rotation angle between every two adjacent spray nozzle holes is 45 degrees, the spray infiltration heads (11) are fixedly arranged in the spray nozzle holes, and reinforcing liquid is conveyed into the spray infiltration pipe (9) in a high-pressure spraying mode and uniformly sprayed on the wall of a hole after being atomized by the spray infiltration heads (11); the liquid return collecting unit comprises a liquid return funnel (12), a rubber sealing gasket (13), a connecting hose (14), a liquid return collecting pipe (15), a top end cover (18), a liquid return collecting container (19), an annular protection frame (20), a fixing clamping groove (21), a supporting frame (22) and an air suction pipe (23); the liquid return funnel (12) is conical, a diversion trench is formed in the inner wall, two holes are formed in the center position of the bottom, a steel spray pipe (8) and a connecting hose (14) are respectively embedded and connected, a backflow liquid collecting pipe (15) is embedded in the center position of the top end cover (18), the outer diameter of a connector of the backflow liquid collecting pipe (15) is equal to the inner diameter of the top end cover (18), the backflow liquid collecting pipe (15) is spirally sleeved with the top end cover (18), and the top end cover (18) is spirally connected with the connector of the backflow liquid collecting pipe (15); the top of the reflux liquid collecting pipe (15) is connected with a hose (14), and the bottom is connected with a discharge pipe (17) through a guide pipe (16); the length of honeycomb duct (16) equals with the length of blow off pipe (17), and the internal diameter of honeycomb duct (16) is the twice of blow off pipe (17) internal diameter, inside honeycomb duct (16) and blow off pipe (17) all imbeds backward flow liquid collection container (19), annular fender bracket (20) have been cup jointed to the equidistance on the outside casing of backward flow liquid collection container (19), and the outside spiral of annular fender bracket (20) is fixed with fixed draw-in groove (21), fixed draw-in groove (21) are connected with steel spray tube (8) and are used for with fixed backward flow liquid collection container (19), top cover (18) outside is fixed with support frame (22), the top of support frame (22) is equipped with breathing pipe (23), the top of breathing pipe (23) is through connector (24) and the inside intercommunication of top cover (18), the inside embedding of breathing pipe (23) has piston (25), be connected with pull rod (26) on piston (25) and adjust piston (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111432026.XA CN114033456B (en) | 2021-11-29 | 2021-11-29 | Infiltration reinforcing apparatus suitable for sandstone grotto roof anchor pore wall |
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| CN202111432026.XA CN114033456B (en) | 2021-11-29 | 2021-11-29 | Infiltration reinforcing apparatus suitable for sandstone grotto roof anchor pore wall |
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