CN113006844B - Argillaceous roadway anchoring drilling equipment and roadway anchoring method - Google Patents
Argillaceous roadway anchoring drilling equipment and roadway anchoring method Download PDFInfo
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- CN113006844B CN113006844B CN202110428980.5A CN202110428980A CN113006844B CN 113006844 B CN113006844 B CN 113006844B CN 202110428980 A CN202110428980 A CN 202110428980A CN 113006844 B CN113006844 B CN 113006844B
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- 238000004873 anchoring Methods 0.000 title claims abstract description 64
- 238000005553 drilling Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 162
- 238000004080 punching Methods 0.000 claims abstract description 118
- 239000011435 rock Substances 0.000 claims abstract description 37
- 239000011268 mixed slurry Substances 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000004064 recycling Methods 0.000 claims abstract description 12
- 238000005086 pumping Methods 0.000 claims abstract description 10
- 229920000642 polymer Polymers 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000012634 fragment Substances 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 9
- 230000003313 weakening effect Effects 0.000 abstract description 7
- 230000009545 invasion Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
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
- E21D20/003—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
- E21D20/025—Grouting with organic components, e.g. resin
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- 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)
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a drilling device and a method for anchoring a mud roadway, and relates to the technical field of mud roadway anchoring. The equipment comprises a drilling machine, high-polymer nonpolar punching liquid and a punching liquid recycling device; the punching liquid recycling device comprises a liquid collecting device, a filtering device and a pressurizing device; the liquid collecting device comprises an orifice shade, a mixed slurry guide pipe and a liquid collecting box; the filtering device comprises a filtering screen and a punching liquid box; the pressurizing device comprises a pressurizing pump for pumping the punching liquid in the punching liquid box to the drilling machine. The invention adopts the high polymer nonpolar material as the punching liquid in the anchoring process, thereby avoiding the weakening effect of water in the drilling process on the argillaceous surrounding rock; and the punching liquid not only plays a role in punching broken rock scraps in the drilling construction process, but also can invade the inside of the hole wall to a certain extent to form a nonpolar protective layer, so that the invasion weakening of a water source to an anchoring structure is resisted, the hydrophobicity of the argillaceous surrounding rock is improved, and the long-term stability of the anchoring structure is guaranteed.
Description
Technical Field
The invention relates to the technical field of argillaceous roadway anchoring, in particular to argillaceous roadway anchoring drilling equipment and a roadway anchoring method.
Background
The mud weakly cemented rock mass is widely distributed in various mining areas in China, and the stability of the mud weakly cemented rock mass is obviously influenced by the factor of water. The wide application of the anchor rod (cable) supporting technology improves the stability of related underground engineering to a great extent, but the anchor rod (cable) supporting system has poor anchoring effect and is extremely easy to fail under the occurrence environment of the muddy weakly cemented rock mass. This is mainly because the existence and use of water are unavoidable in natural geological environment or in the current construction process, and the problems of mud formation, weakening and the like can be caused after the contact interaction of the water and the cementitious weakly consolidated rock mass, so that the stability of surrounding rock is greatly affected. In the traditional anchor rod (cable) construction process, water is commonly used as punching liquid in the drilling process, so that the direct contact between cement and the muddy weakly cemented rock body is caused, the stable state of the muddy weakly cemented rock body in the dry environment is disturbed, the wall of a wet and loose drilling hole is influenced, the construction quality of the anchor rod (cable) is influenced, and the stability of an anchoring monomer is influenced along with a time effect, so that the whole anchoring structure is endangered, the engineering quality is seriously influenced, and the life safety guarantee of personnel is greatly hidden danger.
In addition, because the anchoring effect of the argillaceous tunnel is poor, other supporting components such as a pillar, a steel beam, a steel belt and the like are required to be added for control, the construction period is prolonged, the cost investment is also increased, and time, manpower and material resources are consumed.
Disclosure of Invention
In view of the above, the invention discloses a mud roadway anchoring drilling device and a roadway anchoring method, wherein the technology improves the traditional drilling device, so that the traditional drilling device is suitable for the construction requirement of taking high polymer nonpolar materials as punching liquid, the influence of water on anchoring operation in the construction process can be avoided, meanwhile, the hydrophilicity of key mineral components in mud surrounding rock is improved, the anchoring quality and the supporting strength are ensured, the use of other passive supporting components is reduced, the construction efficiency is improved, the material investment and the labor investment for engineering repair are reduced, and a large amount of engineering capital is saved.
According to the invention, the argillaceous roadway anchoring drilling equipment comprises a drilling machine and a punching liquid, wherein the punching liquid is high-polymer nonpolar punching liquid; the equipment also comprises a punching liquid recycling device, wherein the punching liquid recycling device comprises a liquid collecting device, a filtering device and a pressurizing device; the liquid collecting device comprises an orifice shade, a mixed slurry guide pipe and a liquid collecting box; the orifice shade is nested outside the drill steel of the drilling machine and is tightly attached to the orifice; the mixed slurry conduit is connected with the orifice shade and the liquid collecting box; the filtering device comprises a filtering screen and a punching liquid box; the filter screen is detachably and fixedly arranged between the liquid collecting box and the punching liquid box so as to filter punching liquid in the liquid collecting box; the punching liquid box is used for containing the filtered punching liquid; the pressurizing device comprises a pressurizing pump, wherein the pressurizing pump is connected with the punching liquid box through a one-way valve and used for pumping punching liquid to the drilling machine.
Preferably, the bottom of the liquid collecting box is funnel-shaped and provided with a slag discharging port.
Preferably, the filter screen is a hydraulic oil filter core.
Preferably, the top of the punching liquid box is provided with a liquid injection hole for supplementing punching liquid, and the bottom of the punching liquid box is provided with a liquid discharge hole for discharging the punching liquid.
Preferably, the pressurizing device further comprises a pressure sensor for monitoring the pumping pressure of the booster pump and a control dial plate electrically connected with the pressure sensor for acquiring pressure information to control the pumping pressure of the booster pump.
The invention further discloses a method for anchoring a roadway by using the argillaceous roadway anchoring drilling equipment, which comprises the following steps:
step one: checking equipment;
checking the working pipeline, the power valve, the punching liquid valve, the pressure sensor and the control dial plate to ensure that the punching liquid valve and the pressure sensor are in a normal working state.
Step two: erecting drilling equipment;
and erecting a rock drill according to the required drilling requirement, adjusting the direction of a steel drill, and adjusting the edge of an orifice shade to be attached to the wall surface.
Step three: starting up and drilling;
s1, opening a power valve to control the movement of a steel drill; opening a punching liquid valve and inputting punching liquid; s2, the rock debris mixed slurry flowing out of the drilling hole flows back to the liquid collecting box through the hole opening shade, then enters the punching liquid box after being filtered by the filter screen, and is pumped to the working pipeline by the booster pump; s3, after drilling is completed, closing the booster pump, the power valve and the punching liquid valve, and taking out the drill rod.
Step four: loading anchor rods (ropes);
selecting resin anchoring agent cartridges of corresponding types and numbers according to anchoring requirements, and driving the anchor rod to fully stir the cartridges by the stirrer; and installing the tray and applying a pretightening force.
Step five: and continuing to finish other supporting procedures.
Step six: cleaning equipment.
Preferably, the equipment cleaning method in the step six is as follows: s1, connecting a separation power pipeline and an external punching liquid pipeline with a drilling equipment main body; s2, opening the booster pump again to accelerate the filtering speed of the mixed slurry in the liquid collecting box; s3, injecting pure punching liquid into the punching liquid box through the liquid injection hole, and screwing a liquid discharge port cover after the pure punching liquid is discharged through the liquid discharge port; s4, cleaning rock fragments on the surface of an orifice shade in the external equipment and accumulated rock fragments in the liquid collecting box, removing the filter screen, and cleaning and storing respectively.
Compared with the prior art, the argillaceous roadway anchoring drilling equipment and the roadway anchoring method disclosed by the invention have the advantages that:
(1) The invention adopts the high polymer nonpolar material as the punching liquid in the anchoring process, and directly avoids the weakening effect of water in the drilling process on the argillaceous surrounding rock. In addition, the punching liquid not only plays a role in punching broken rock scraps in the drilling construction process, but also can invade the inside of the hole wall to a certain extent to form a nonpolar protective layer, so that the invasion weakening of a water source to an anchoring structure is resisted, the hydrophobicity of the argillaceous surrounding rock is improved, and the long-term stability of the anchoring structure is guaranteed.
(2) The invention realizes the minimum improvement of the existing industrial equipment foundation on the premise of meeting the target requirement, accurately grasps the key links according to the operation characteristics of the existing drilling equipment, adds an improved working device based on the existing equipment foundation so as to meet the requirement of the surrounding rock anchoring process of the argillaceous tunnel, greatly reduces the production investment, avoids the change of the field basic operation condition, such as the laying of various pipelines from the ground to the underground, and simultaneously ensures the wildness of the punching liquid recycling device and the existing drilling equipment.
(3) According to the invention, the punching liquid-rock debris mixed slurry can be collected to the greatest extent through the punching liquid recycling device, the punching liquid meeting the working conditions is filtered and recycled efficiently and reentered into the working pipeline, the material utilization rate is improved to the greatest extent, and the cost of basic materials required by an anchoring process is reduced.
(4) The resin is an organic compound which is not easy to dissolve in water, the used punching liquid belongs to the category of organic solvents, the hydrophobicity is reflected, meanwhile, the affinity with the resin is not influenced, and meanwhile, the anchoring agent can be rapidly diffused into micro cracks on the surface of the hole wall by taking the punching liquid as a medium, so that the anchoring effect of the resin anchoring agent is improved.
Drawings
For a clearer description of embodiments of the invention or of the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being evident that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an anchoring drilling device for a argillaceous tunnel.
Fig. 2 is a structural view of a punching liquid recycling apparatus.
The names of the parts represented by the numbers or letters in the figures are:
1-a drilling machine; 2-drilling; 3-punching liquid-rock debris mixed slurry; 4-a liquid collecting device; 41-aperture mask; 42-a mixed slurry conduit; 43-a liquid collecting tank; 44-a slag discharge port; 5-a filtration device; 51-a filter screen; 52-a punching liquid box; 53-liquid injection hole; 54-a liquid discharge port; 6-supercharging device; 61-a booster pump; 62-a pressure sensor; 63-control dial; 64-a one-way valve; 7-a power pipeline; 8-connecting with a punching liquid pipeline.
Detailed Description
The following is a brief description of embodiments of the present invention with reference to the accompanying drawings. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Fig. 1-2 show a preferred embodiment of the invention, which is analyzed in detail from different angles, respectively.
The mud roadway anchoring drilling equipment shown in fig. 1 comprises a drilling machine, a punching liquid and a punching liquid recycling device.
The punching liquid is high-polymer nonpolar punching liquid, plays a role in punching broken rock fragments in the drilling construction process, can invade a certain range inside the hole wall to form a nonpolar protective layer, resists the invasion and weakening of a water source to an anchoring structure, improves the hydrophobicity of the argillaceous surrounding rock, and is beneficial to guaranteeing the long-term stability of the anchoring structure. The high-polymer nonpolar punching liquid mainly comprises different high-polymer macromolecules, has nonpolar characteristics and extremely poor water affinity, and can resist the invasion and weakening of a water source to an anchoring structure.
The arrangement of the punching liquid recycling device can collect the punching liquid-rock debris mixed slurry 3 to the greatest extent, efficiently filter and recycle the punching liquid meeting the working conditions to reenter the working pipeline, greatly improve the material utilization rate and reduce the cost of basic materials required by the anchoring process. As shown in fig. 2, the punching liquid recycling apparatus includes a liquid collecting device 4, a filtering device 5, and a pressurizing device 6.
The liquid collecting device 4 includes an orifice mask 41, a mixed slurry conduit 42, and a liquid collecting tank 43. The orifice shield 41 is nested outside the drill steel of the drill, disposed against the orifice, for collecting the punch-cuttings mixture slurry 3. The mixed slurry conduit 42 has one end connected to the orifice mask 41 and the other end connected to the feed inlet of the header tank 43 for delivering the punching liquid-cuttings mixed slurry 3 into the header tank 43. The liquid collecting box 43 is funnel-shaped, the punching liquid-rock debris mixed slurry 3 is precipitated in the liquid collecting box 43, and the precipitated rock debris is discharged through a slag discharging port 44 arranged at the bottom of the liquid collecting box 43. Specifically, the lower end of the orifice shade 41 is provided with a hinged rebound constraint, so that the orifice shade 41 can always keep the lower edge to be attached to the wall surface as much as possible in the rotary impact process during the driving of the drill bit, and the mixed slurry 3 of the punching liquid and the rock fragments is effectively collected. The mixed slurry conduit 42 generally does not cause pipe blockage because of smaller rock debris particle size in the mixed slurry, so the inner diameter of the mixed slurry conduit 42 can be controlled to be more than 1.2cm, and a pressure-resistant metal hose is selected to meet the requirement of bending a pipeline in the use process, and the mixed slurry conduit has certain strength and can resist external force damage. The slag discharge port 44 is provided with a sealing cover, so that the concentration and discharge of the filter residues are facilitated, and the cleaning of the device is also facilitated.
The filter device 5 comprises a filter screen 51 and a punched fluid box 52. The punching liquid box 52 is communicated with the liquid collecting box 43, and is separated by a filter screen 51 in the middle for containing the filtered punching liquid. The filter screen 51 is a hydraulic oil filter element, and is detachably and fixedly mounted between the liquid collecting tank 43 and the punching liquid tank 52 through a chute arranged between the punching liquid tank 52 and the liquid collecting tank 43 so as to filter punching liquid in the liquid collecting tank 43. The top of the punching liquid box 52 is provided with a liquid injection hole 53 for supplementing punching liquid, and the bottom is provided with a liquid discharge hole 54, so that the punching liquid can be discharged when the work is finished, equipment is cleaned or the equipment is maintained. The filter element parameters of the hydraulic oil filter element are matched with the working parameters of the booster pump 61 and the drilling machine 1, and the specific selection is satisfied that the working of the booster pump 61 and the drilling machine 1 is not influenced by the particle size of particles.
The pressurizing device 6 includes a pressurizing pump 61, a pressure sensor 62, and a control dial 63. The booster pump 61 is connected with the punching liquid box 52 through a one-way valve 64, the punching liquid flows into the booster pump 61 in one way through the punching liquid box 52, the pumping pressure of the booster pump 61 is monitored by a pressure sensor 62, the pumping pressure is fed back to a control dial 63 through a data transmission line, the pumping pressure of the booster pump 61 is controlled by the control dial 63, and the pressurized punching liquid enters the drilling machine 1 through an external punching liquid pipeline 8. The booster pump 61 has a constant pressure in a working mode, the constant pressure ranges from 0 to 6MPa, the pressure stabilizing state can be fed back in real time through the pressure sensor 62, circuit control can be realized, and the working pressure can be set manually according to the requirement.
The invention further discloses a method for anchoring a roadway by using the argillaceous roadway anchoring drilling equipment, which comprises the following steps:
step one: checking equipment;
checking the working states of the connecting pipeline, the power valve, the punching liquid valve and the pressurizing device 6 ensures that the drilling machine 1 operates normally, the power is normal, the punching liquid flows smoothly, the pressure sensor 62 can feed back monitoring data normally, and the working state of the pressurizing pump 61 can be controlled through the control dial 63.
Step two: erecting drilling equipment;
the drill is erected according to the required drilling 2, the direction of the drill rod is adjusted, and the edge of the orifice shade 41 is adjusted so that the lower edge of the orifice shade is attached to the wall surface as much as possible. Setting the working parameters of the booster pump 61 through the control dial 63;
step three: starting up and drilling;
s1, opening a power valve to control the movement of a steel drill; opening a punching liquid valve, setting the working pressure of a booster pump 61, and inputting punching liquid; s2, the punching liquid-rock debris mixed slurry 3 flowing out of the drilling hole 2 flows back to the liquid collecting box 43 through the orifice mask 41, then enters the punching liquid box 52 after being filtered by the screen 51, and is pumped to a working pipeline by the booster pump 61. Depending on the design parameters of the drill hole 2, the height of the drilling machine 1 is maintained or the drilling machine 1 is slowly adjusted to control the angle during the drilling process, and the liquid material can be replenished by the liquid injection hole 53 of the punching liquid box 52 during the intermittent equipment. S3, after drilling is finished, the booster pump 61, the power valve and the punching liquid valve are closed, and the drill rod is taken out.
Step four: loading anchor rods (ropes);
according to the anchoring requirements, corresponding types and quantity of resin anchoring agent cartridges are selected, and the stirrer drives the anchor rod to fully stir the cartridges. The main components of the resin anchoring agent are similar to the punching liquid, the functions of the resin anchoring agent and the punching liquid are not mutually influenced when the resin anchoring agent and the punching liquid are mutually compatible, and the anchoring agent can be rapidly diffused into the fine cracks of the hole wall through the punching liquid, so that the anchoring quality is improved. And installing the tray and applying a pretightening force.
Step five: according to the supporting design, steel nets are laid on the top plate and the two sides, steel belts are installed, and the supporting procedures of girder erection/shed erecting and the like are completed.
Step six: cleaning equipment;
s1, connecting a separation power pipeline 7, an external punching liquid pipeline 8 and a drilling equipment main body; s2, opening the booster pump 61 again to accelerate the filtering speed of the mixed slurry in the liquid collection tank 43; s3, injecting pure punching liquid into the punching liquid box 52 through the liquid injection hole 53, and screwing a liquid discharge port cover after discharging through the liquid discharge port 54; s4, cleaning the rock fragments on the surface of the orifice shade 41 and the accumulated rock fragments in the liquid collecting box 43 in the external equipment, and removing the filter screen 51 for cleaning and storage respectively.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A roadway anchoring method of a muddy roadway anchoring drilling device is characterized by comprising the following steps of: the argillaceous roadway anchoring drilling equipment comprises a drilling machine (1) and a punching liquid, wherein the punching liquid is high-polymer nonpolar punching liquid; the equipment also comprises a punching liquid recycling device, wherein the punching liquid recycling device comprises a liquid collecting device (4), a filtering device (5) and a pressurizing device (6); the liquid collecting device (4) comprises an orifice shade (41), a mixed slurry conduit (42) and a liquid collecting box (43); the orifice shade (41) is nested outside the drill steel rod of the drilling machine and is tightly attached to the orifice; the mixed slurry conduit (42) connects the orifice mask (41) with the header tank (43); the filtering device (5) comprises a filtering screen (51) and a punching liquid box (52); the filter screen (51) is detachably and fixedly arranged between the liquid collecting box (43) and the punching liquid box (52) so as to filter punching liquid in the liquid collecting box (43), the bottom of the liquid collecting box (43) is funnel-shaped, and a slag discharging port (44) is formed; the punching liquid box (52) is used for containing the filtered punching liquid; the pressurizing device (6) comprises a pressurizing pump (61), wherein the pressurizing pump (61) is connected with the punching liquid box (52) through a one-way valve (64) and is used for pumping punching liquid to the drilling machine (1);
the roadway anchoring method comprises the following steps:
step one: checking equipment;
checking a working pipeline, a power valve, a punching liquid valve, a pressure sensor (62) and a control dial (63) to ensure that the punching liquid valve and the control dial are in a normal working state;
step two: erecting drilling equipment;
erecting a rock drill according to the requirement of a required drilling hole (2), adjusting the direction of a steel drill, and adjusting the edge of an orifice shade (41) to be attached to the wall surface;
step three: starting up and drilling;
s1, opening a power valve to control the movement of a steel drill; opening a punching liquid valve and inputting punching liquid; s2, the punching liquid-rock debris mixed slurry (3) flowing out of the drilling hole (2) flows back to the liquid collecting box (43) through the orifice mask (41), then enters the punching liquid box (52) after being filtered by the filter screen (51), and is pumped to a working pipeline by the booster pump (61); s3, after drilling is finished, closing a booster pump (61), a power valve and a punching liquid valve, and taking out a drill rod;
step four: installing an anchor rod;
selecting resin anchoring agent cartridges of corresponding types and numbers according to anchoring requirements, and driving the anchor rod to fully stir the cartridges by the stirrer; mounting a tray and applying a pretightening force;
step five: continuing to finish other supporting procedures;
step six: cleaning equipment.
2. The roadway anchoring method of the argillaceous roadway anchoring drilling equipment according to claim 1, wherein the equipment cleaning method in the step six is as follows: s1, connection of a separation power pipeline (7), an external punching liquid pipeline (8) and a drilling equipment main body: s2, opening the booster pump (61) again to accelerate the filtering speed of the punching liquid-rock debris mixed slurry (3) in the liquid collecting box (43); s3, injecting pure punching liquid into the punching liquid box (52) through the liquid injection hole (53), and screwing a liquid discharge cover after discharging through the liquid discharge opening (54); s4, cleaning rock fragments on the surface of an orifice mask (41) in external equipment and accumulated rock fragments in a liquid collecting box (43), and removing a filter screen (51) to clean and store the rock fragments respectively.
3. The roadway anchoring method of the argillaceous roadway anchoring drilling equipment according to claim 1, wherein the filter screen (51) is a hydraulic oil filter element.
4. The roadway anchoring method of the argillaceous roadway anchoring drilling equipment according to claim 1, wherein the top of the punching liquid box (52) is provided with a liquid injection hole (53) for supplementing punching liquid, and the bottom of the punching liquid box is provided with a liquid discharge hole (54) for discharging the punching liquid.
5. The roadway anchoring method of the argillaceous roadway anchoring drilling equipment according to claim 1, wherein the pressurizing device (6) further comprises a pressure sensor (62) for monitoring pumping pressure of the booster pump (61) and a control dial (63) electrically connected with the pressure sensor (62) for acquiring pressure information to control pumping pressure of the booster pump (61).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110428980.5A CN113006844B (en) | 2021-04-21 | 2021-04-21 | Argillaceous roadway anchoring drilling equipment and roadway anchoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110428980.5A CN113006844B (en) | 2021-04-21 | 2021-04-21 | Argillaceous roadway anchoring drilling equipment and roadway anchoring method |
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| CN113006844A CN113006844A (en) | 2021-06-22 |
| CN113006844B true CN113006844B (en) | 2023-08-22 |
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