CN117052306A - Tunnel water detection drilling equipment and advanced drilling water detection grouting water shutoff method - Google Patents
Tunnel water detection drilling equipment and advanced drilling water detection grouting water shutoff method Download PDFInfo
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- CN117052306A CN117052306A CN202311300883.3A CN202311300883A CN117052306A CN 117052306 A CN117052306 A CN 117052306A CN 202311300883 A CN202311300883 A CN 202311300883A CN 117052306 A CN117052306 A CN 117052306A
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- rod
- water
- drill bit
- groove body
- water detection
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 238000001514 detection method Methods 0.000 title claims abstract description 69
- 238000005553 drilling Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 17
- 238000009412 basement excavation Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 4
- 238000010009 beating Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- 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
- E21B12/00—Accessories for drilling tools
- E21B12/06—Mechanical cleaning devices
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
-
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- 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
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses tunnel water detection drilling equipment and an advanced drilling water detection grouting water shutoff method, wherein the drilling equipment comprises a vehicle body, a mounting platform, an angle adjusting mechanism, a driving motor and a driving piece for driving the motor to slide, an output shaft of the driving motor is coaxially connected with a drill rod, and a drill bit is detachably arranged at the other end of the drill rod, which is far away from the driving motor; the cleaning mechanism comprises a vertical groove body, an air supply device, a driving assembly and a hitting ball assembly, wherein a notch of the groove body is close to the drill bit, the hitting ball assembly comprises a support arranged on the mounting platform, a rotating shaft arranged on the support, an auxiliary rod arranged on the rotating shaft, a hitting rod, a rebound piece and a pushing rod connected with the groove body, the hitting rod is far away from one end of the rotating shaft, the hitting ball is fixedly connected with the pushing rod, and the pushing rod is arranged on the auxiliary rod. The invention has the advantages that the drill bit after drilling can be cleaned, the drill bit is convenient and quick, and the next use precision of the drill bit is ensured.
Description
Technical Field
The invention relates to the field of tunnel construction. More particularly, the invention relates to a water detection and grouting water shutoff method for advanced drilling.
Background
In tunnel construction, some water-rich karst zones are an essential important work, and underground water conditions can be mastered through water exploration, so that a targeted construction scheme is made. At present, before water exploration, constructors need to drill a plurality of water exploration holes on the tunnel face to be detected, and coring observation or observation of the water exploration hole flow velocity is carried out to determine whether grouting reinforcement or excavation is continued. In the prior art, a plurality of drilling devices are used for drilling water holes, but in the drilling process, a large amount of soil or broken stone is accumulated in a groove of a drill bit to influence the precision of the drill bit in the next drilling, and the accumulated soil or broken stone on the drill bit is manually removed by constructors, so that the operation is not convenient enough, and time and labor are wasted. Accordingly, there is a need for a drilling apparatus that facilitates cleaning of the drill bit for drilling a tunnel boring hole.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide a tunnel water-exploring drilling apparatus which can clean a drill bit after drilling, conveniently and rapidly, and ensure the next use accuracy of the drill bit.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a tunnel water detection drilling apparatus including a vehicle body, a mounting platform provided above the vehicle body, an angle adjusting mechanism provided between the mounting platform and the vehicle body, further comprising:
the motor assembly comprises a driving motor and a driving piece, the driving motor is arranged on the mounting platform in a sliding mode, the driving piece drives the driving motor to slide along the mounting platform, an output shaft of the driving motor is coaxially connected with a drill rod, and a drill bit is detachably arranged at the other end, far away from the driving motor, of the drill rod;
the guide frame is arranged on the mounting platform, a through hole with the diameter slightly larger than that of the drill rod is arranged on the guide frame so that the drill rod can penetrate out, and the guide frame is arranged at one end, close to the drill bit, of the drill rod;
the cleaning mechanism comprises a vertical groove body, an air supply device, a driving assembly and a hitting ball assembly, wherein the groove body is arranged on one side, close to a drill bit, of the guide frame, a notch of the groove body is close to the drill bit, a perforation is formed in the bottom of the groove body so that the drill bit can penetrate out, an air outlet end of the air supply device is positioned on the inner top wall of the groove body and faces the drill bit, the hitting ball assembly is arranged below the drill rod, and comprises a support, a rotating shaft, an auxiliary rod, a hitting rod, a rebound member and a pushing rod, wherein the rotating shaft is arranged on the support, the auxiliary rod is arranged on the rotating shaft in a separated mode, the pushing rod is connected with the groove body, one end, far away from the rotating shaft, of the hitting ball is fixedly connected with the pushing rod, and the rebound member is connected with the rotating shaft so that the rotating shaft returns to an initial state under the action of no external force; the driving assembly drives the groove body to move along the drill bit, so that the air supply device ejects high-pressure air towards the drill bit, and meanwhile, the pushing rod is driven to move along the auxiliary rod and push the auxiliary rod to rotate, and then the striking ball is driven to strike the drill rod.
Preferably, the rebound member is a tension spring, one end of the tension spring is fixedly connected with the bracket, and the other end of the tension spring is fixedly connected with the striking rod.
Preferably, a sealing layer is laid on one surface of the groove body far away from the guide frame, a waterproof cloth pipe is arranged between the groove body and the guide frame, one port of the waterproof cloth pipe is in sealing connection with the guide frame, the other port of the waterproof cloth pipe is in sealing connection with a notch of the groove body, so that the groove body, the waterproof cloth pipe and the guide frame are communicated, a water guide area is formed in the groove body, the guide frame and the groove body, a trapezoid cylindrical guide cover is arranged in the water guide area, the guide cover is sleeved on the outer wall of a drill rod, the large diameter end of the guide cover is connected with the guide frame, the diameter of the small diameter end of the guide cover is slightly larger than the diameter of the drill rod, the drill rod penetrates through the guide frame, and water outlet pipes are communicated with two side walls of the groove body;
the driving assembly comprises a pair of driving telescopic rods, the driving telescopic rods are respectively arranged above and below the groove body, and the telescopic ends of the driving telescopic rods are respectively connected with the top and the bottom of the groove body so as to drive the groove body to move along the drill bit.
Preferably, in the pair of driving telescopic rods, a lower driving telescopic rod is arranged at the lower part, the auxiliary rod is arranged at one end of the rotating shaft far away from the drill bit, and the striking rod is arranged at one end of the rotating shaft close to the drill bit; the driving assembly further comprises a mounting block, a pair of racks arranged up and down, a gear and an auxiliary plate, wherein the gear and the auxiliary plate are arranged on the pair of racks and meshed with the pair of racks, the upper rack is positioned at the upper part, the lower rack is positioned at the lower part, the lower rack is fixedly connected with the mounting block, one end of the mounting block is connected with the bottom of the groove body, and the other end of the mounting block is fixedly connected with the telescopic end of the lower driving telescopic rod; still include vertical extension board, the extension board is established on the mounting platform and be located one side of installation piece, go up the rack with extension board sliding connection, go up to be connected with on the rack the accessory board, be equipped with on the accessory board the catch bar.
The advanced drilling water detection grouting water shutoff method utilizes tunnel water detection drilling equipment, and specifically comprises the following steps:
s1, selecting 35m in front of a face to be constructed as a water detection section, excavating 30m, and reserving the rest 5m as a section to be detected;
s2, drilling six water detection holes on the face of the section to be detected by using the drilling equipment, wherein one water detection hole is arranged in the middle of the face of the drilling section, the other five water detection holes are uniformly and separately arranged on the excavation contour line of the face of the drilling section at intervals, and the water outlet condition of each water detection hole is recorded; the aperture of each water detection hole is 55mm, the water detection holes are inclined, and the external deflection angle of each water detection hole is 2-5 degrees;
s3, when the total water yield of the six water detection holes is greater than 15 m/h and 4-6 water detection holes Kong Manshui are formed, carrying out subsequent excavation after full-section water shutoff grouting; when the total water yield of the six water detection holes is smaller than 15 m/h and the water yield of 1-2 water detection holes is larger than 3 m/h, carrying out subsequent excavation after grouting by adopting local water shutoff; when the water yield of the six water exploration holes is less than 3 m/h and the total water yield is less than 15 m/h, carrying out subsequent excavation;
s4, repeating the steps S1-S3.
The invention at least comprises the following beneficial effects:
according to the invention, the vehicle body, the mounting platform, the angle adjusting mechanism, the clicking, the driving piece, the drill rod, the drill bit, the guide frame, the groove body, the air supply device, the driving assembly, the support, the rotating shaft, the auxiliary rod, the striking rod, the rebound piece, the pushing rod and the striking ball are designed, when the drill rod is used, after passing through the guide frame, the drill bit is connected with the drill rod, when the drill bit needs to be cleaned, the driving assembly drives the groove body to move along the drill bit, at the moment, the air outlet end of the air supply device moves towards the drill bit, so that soil and broken stone on the drill bit are blown off, and the striking ball is struck at the same time, broken stone and soil adhered on the drill bit can be vibrated off, the cleanliness of the drill bit is further improved, the air supply device and the striking ball are matched at the same time, the soil and broken stone on the drill bit can be cleaned well, and the precision of the next use of the drill bit is effectively ensured.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front view of a tunnel water detection drilling device according to one embodiment of the present invention (when the tank body is extended by moving);
fig. 2 is a front view of a tunnel water detection drilling device according to one embodiment of the present invention (when the tank is in an initial state);
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a side view of a connection structure of the guide frame and the cleaning mechanism according to one embodiment of the present invention;
FIG. 6 is a cross-sectional layout of a water-exploratory borehole;
FIG. 7 is a longitudinal section layout of a water detection borehole.
Reference numerals: 1-a vehicle body; 2-a mounting platform; 3-rotating column; 4-a first platform; 5-a second platform; 6-driving a motor; 7-a drill rod; 8-a drill bit; 9-a guide frame; 10-waterproof cloth pipe; 11-a tank body; 12-through holes; 13-perforating; 14-a water outlet pipe; 15-a diversion cover; 16-a gas supply device; 17-a spray head; 18-upper connecting blocks; 19-a lower connecting block; 20-mounting blocks; 21-upper drive telescopic rod; 22-lower drive telescopic rod; 23-connecting plates; 24-mounting frame; 25-brackets; 26-supporting plates; 27-a rotating shaft; 28-auxiliary rod; 29-striking a rod; 30-pushing the rod; 31-hitting a ball; 32-a tension spring; 33-an extension plate; 34-lower rack; 35-gear; 36-upper rack; 37-sealing layer.
Detailed Description
The present invention is described in further detail below with reference to examples to enable those skilled in the art to practice the same by referring to the description.
As shown in fig. 1 to 5, the invention provides a tunnel water detection drilling device, which comprises a vehicle body 1, a mounting platform 2 arranged above the vehicle body 1, and an angle adjusting mechanism arranged between the mounting platform 2 and the vehicle body 1, and further comprises:
the motor assembly comprises a driving motor 6 and a driving piece, wherein the driving motor 6 is arranged on the mounting platform 2 in a sliding manner, the driving piece drives the driving motor 6 to slide along the mounting platform 2, an output shaft of the driving motor 6 is coaxially connected with a drill rod 7, and a drill bit 8 is detachably arranged at the other end, far away from the driving motor 6, of the drill rod 7;
the guide frame 9 is arranged on the mounting platform 2, a through hole 12 with a diameter slightly larger than that of the drill rod 7 is arranged on the guide frame 9 so as to enable the drill rod 7 to penetrate out, and the guide frame 9 is arranged at one end of the drill rod 7 close to the drill bit 8;
the cleaning mechanism comprises a vertical groove body 11, an air supply device 16, a driving assembly and a hitting ball 31 assembly, wherein the groove body 11 is arranged on one side, close to a drill bit 8, of the guide frame 9, a notch of the groove body 11 is close to the drill bit 8, a through hole 13 is formed in the bottom of the groove body 11 so that the drill bit 8 penetrates out, an air outlet end of the air supply device 16 is positioned on the inner top wall of the groove body 11 and faces the drill bit 8, the hitting ball 31 assembly is arranged below the drill rod 7, the hitting ball 31 assembly comprises a bracket 25 arranged on the mounting platform 2, a rotating shaft 27 which rotates on the bracket 25, an auxiliary rod 28 which is arranged on the rotating shaft 27 in a separated mode, a hitting rod 29, a rebound member and a pushing rod 30 which is connected with the groove body 11, one end, far away from the rotating shaft 27, of the hitting ball 31 is fixedly connected with the pushing rod 30, is arranged on the auxiliary rod 28, and the rebound member is connected with the rotating shaft 27 so that the rotating shaft 27 returns to an initial state under the action of no external force; the driving assembly drives the groove 11 to move along the drill bit 8, so that the air supply device 16 ejects high-pressure air towards the drill bit 8, and drives the pushing rod 30 to move along the auxiliary rod 28 and push the auxiliary rod 28 to rotate, so as to drive the striking ball 31 to strike the drill rod 7;
in this technical solution, the vehicle body 1 may be a crawler body 1, a mounting platform 2 is disposed above the vehicle body 1, an angle adjusting mechanism is disposed between the mounting platforms 2, for adjusting an inclination angle during drilling, the angle adjusting mechanism is a vertical structure in the art, for example, the angle adjusting mechanism may be a rotary column 3 rotatably disposed on the vehicle body 1, the rotary column 3 is driven to rotate by a driving motor 6 or an oil cylinder (a driving structure for driving the rotary column 3 to rotate is not shown in the drawing), a first platform 4 is disposed on top of the rotary column 3, a second platform 5 is hinged on the first platform 4, the second platform 5 rotates in a vertical plane, the second platform 5 is driven to rotate by a hydraulic oil cylinder (a driving end of the hydraulic oil cylinder is hinged with the second platform 5, a fixing end of the hydraulic oil cylinder is hinged with the first platform 4, the hydraulic cylinder is not shown in the figure, the driving connection mode is a well-established driving connection structure in the field, and is not described in detail herein, the motor assembly comprises a driving motor 6 and a driving part for driving the driving motor 6 to slide, the motor is arranged on a mounting plate, the mounting plate is in sliding connection with the mounting platform 2, the driving part is an electric wheel (namely, the driving part comprises a wheel arranged at the bottom of the mounting plate and a motor assembly (not shown in the figure) for controlling the wheel to walk), namely, the mounting plate, the wheel and the motor assembly form an electric skateboard structure, the structure is a well-established structure in the field, and is not described in detail herein), or the hydraulic cylinder (not shown in the figure) and the like, preferably an electric wheel, an output shaft of the driving motor 6 is detachably and coaxially connected with a drill rod 7, the other end of the drill rod 7 is detachably connected with a drill bit 8, and attention is paid to the fact that the drawings 1-5 are schematic diagrams only, and when the drill rod is actually used, constructors can select corresponding various driving parts according to requirements, for example, the output end of the driving motor 6 can be connected with a gear motor, and the output end of the gear motor is connected with the drill rod 7; the guide frame 9 comprises a vertical plate and two supporting rods arranged at the bottom of the vertical plate, a through hole 12 is formed in the vertical plate, the diameter of the through hole 12 is 1-3 mm larger than that of the drill rod 7, and therefore the drill rod 7 can be conveniently guided while passing through the guide frame; the cleaning structure comprises a tank body 11, an air supply device 16, a driving assembly and a hitting ball 31 assembly, wherein the air supply device 16 is a device for spraying high-pressure air well known to a person skilled in the art, an air outlet end of the air supply device 16 is connected with an air pipe, the tail end of the air pipe is connected with a spray head 17, and the spray head 17 is arranged on the inner top wall of the tank body 11 and is obliquely arranged to spray air towards the drill bit 8 so as to clean soil and broken stones on the drill rod 7; perforations 13 are formed in the bottom (side wall opposite to the notch) of the groove body 11, and the diameter of the perforations 13 is larger than that of the drill bit 8 so as to facilitate the drill bit 8 to pass through; the driving assembly is a pair of driving telescopic rods (such as a hydraulic rod, an air cylinder, an electric telescopic rod and the like), the driving telescopic rods are respectively arranged at the top and the bottom of the tank body 11, and the telescopic ends of the driving telescopic rods are respectively connected with the top and the bottom of the tank body 11 so as to drive the tank body 11 to move along the drill bit 8 (i.e. the tank body stretches out) when the driving telescopic rods are telescopic, so that the spray head 17 sprays the drill bit 8; the mounting platform 2 is provided with a bracket 25, the bracket 25 is a vertical plate, the bracket 25 is rotatably provided with a horizontal rotating shaft 27, the axial direction of the rotating shaft 27 is vertical to the axial direction of the drill rod 7, the rotating shaft 27 is provided with an auxiliary rod 28 and a striking rod 29, the auxiliary rod 28 and the striking rod 29 are both arranged on the rotating shaft 27 in an emission shape, one end of the striking rod 29 far away from the rotating shaft 27 is provided with a striking ball 31, the striking ball 31 is positioned under the drill rod 7, the auxiliary rod 28 is positioned at one side of the drill rod 7, the groove body 11 is connected with a push-pull rod, the push-pull rod is arranged on the auxiliary rod 28 in an inclined upward direction under the action of no external force, when the drill rod moves along with the groove body 11, the auxiliary rod 28 moves and pushes the auxiliary rod 28 to rotate, the striking ball 31 is driven by the auxiliary rod 28 to the 7, the rebound member is coaxially arranged at one end of the rotating shaft 27, and the rebound member is in an initial state of the tension spring 27, and the tension spring is connected with the other end of the rotating shaft 29 in an initial state of the rebound member 32, and the rebound member is in an initial state of being removed from the rotating shaft 29;
in this kind of technical scheme, through design automobile body 1, mounting platform 2, angle adjustment mechanism, click, driving piece, drilling rod 7, drill bit 8, leading truck 9, cell body 11, air feeder 16, drive assembly, support 25, pivot 27, auxiliary rod 28, hit pole 29, rebound piece, catch bar 30, hit ball 31, during the use, after passing drilling rod 7 leading truck 9, with drill bit 8 and drilling rod 7 are connected, when needs are cleaned drill bit 8, drive assembly drive cell body 11 is followed drill bit 8 removes, and the end that gives vent to anger of air feeder 16 at this moment moves towards drill bit 8, and then blows off earth and rubble on the drill bit 8, hits ball 31 simultaneously and hits drill bit 7, can shake off rubble and the earth that adhere to on drill bit 8, further improves the cleanliness of drill bit 8, and hit ball 31 and cooperate simultaneously, and the earth and the rubble on the clean drill bit 8 that can be better, effectively ensure the precision of drill bit 8 next time use, can make 7 rotate, and then make drill bit 8 rotate, cooperate better each other, clean effect.
In another technical scheme, the rebound member is a tension spring 32, one end of the tension spring 32 is fixedly connected with the bracket 25, and the other end of the tension spring is fixedly connected with the striking rod 29; by adopting the technical scheme, the beneficial effect that obtains is through design extension spring 32, provides the structure of a resilience piece, convenient to use and resilience effect are good.
In another technical scheme, a sealing layer 37 is laid on one surface of the tank body 11 far away from the guide frame 9, a waterproof cloth pipe 10 is arranged between the tank body 11 and the guide frame 9, one port of the waterproof cloth pipe 10 is in sealing connection with the guide frame 9, the other port of the waterproof cloth pipe is in sealing connection with a notch of the tank body 11, so that the tank body 11, the waterproof cloth pipe 10 and the guide frame 9 are communicated and form a water guide area, a trapezoid cylindrical guide cover 15 is arranged in the water guide area, the guide cover 15 is sleeved on the outer wall of the drill rod 7, the large diameter end of the guide cover 15 is connected with the guide frame 9, the diameter of the small diameter end of the guide cover is slightly larger than the diameter of the drill rod 7, so that the drill rod 7 passes through, and water outlet pipes 14 are communicated with two side walls of the tank body 11;
the driving assembly comprises a pair of driving telescopic rods which are respectively arranged above and below the groove body 11, and the telescopic ends of the driving telescopic rods are respectively connected with the top and the bottom of the groove body 11 so as to drive the groove body 11 to move along the drill bit 8;
in the above technical solution, the sealing layer 37 is disposed at a side wall portion of the bottom of the tank 11 except for the through hole 13, and the waterproof cloth tube 10 is a tube made of waterproof cloth, and has a flexible and foldable function, so that the waterproof cloth tube is convenient to store and extend; the small diameter end of the guide cover 15 is 1-3 mm larger than the diameter of the drill rod 7, so that water is conveniently guided and the drill rod 7 is conveniently guided; the pair of driving telescopic rods are respectively arranged at the top and the bottom of the groove body 11, so that the force applied by the pair of driving telescopic rods on the groove body 11 can be effectively balanced, and the groove body 11 can be better sealed and covered on rock soil around a drilling hole; water outlets are formed in the two side walls of the tank body 11, and the water outlets are connected with water outlet pipes 14, so that water burst water can be conveniently led into the water guide area and then discharged from the water outlet pipes 14;
by adopting the technical scheme, the beneficial effects that through designing sealing layer 37, waterproof cloth pipe 10, kuppe 15, outlet pipe 14, when drilling, because the section of exploring water is in the rich water area, consequently, when boring the water hole, bore 1~2m deeply first, then start a pair of drive telescopic link, make cell body 11 closely paste on the ground around the drilling, then continue the drilling, when meeting the water gushing of gushing water like this, can lead the water gushing of gushing water to water guide the water district, discharge through outlet pipe 14 again, can effectively avoid the damage and the influence of water gushing of gushing water to drilling equipment, but quick water shutoff simultaneously.
In another embodiment, among the pair of driving telescopic rods, the lower driving telescopic rod 22 is located at the lower part, the auxiliary rod 28 is arranged at one end of the rotating shaft 27 away from the drill bit 8, and the striking rod 29 is arranged at one end of the rotating shaft 27 close to the drill bit 8; the driving assembly further comprises a mounting block 20, a pair of racks arranged up and down, a gear 35 and an auxiliary plate, wherein the gear 35 is arranged on the pair of racks and meshed with the pair of racks, the upper rack 36 is arranged at the upper part of the pair of racks, the lower rack 34 is arranged at the lower part of the pair of racks, the lower rack 34 is fixedly connected with the mounting block 20, one end of the mounting block 20 is connected with the bottom of the groove body 11, and the other end of the mounting block is fixedly connected with the telescopic end of the lower driving telescopic rod 22; the vertical support plate 26 is arranged on the mounting platform 2 and positioned on one side of the mounting block 20, the upper rack 36 is slidably connected with the support plate 26, the auxiliary plate is connected to the upper rack 36, and the pushing rod 30 is arranged on the auxiliary plate;
in this technical scheme, a pair of driving telescopic rods are mounted on the mounting platform 2 through a vertical mounting frame 24, a penetrating channel is formed in the mounting frame 24 for the drill rod 7 to penetrate, and the fixed ends of the driving telescopic rods are connected with the mounting frame 24; of the pair of drive telescopic rods, the upper drive telescopic rod 21 is positioned at the upper part, the lower drive telescopic rod 22 is positioned at the lower part, a lower connecting block 19 is arranged at the middle part of the bottom of the tank body 11, an upper connecting block 18 is arranged at the middle part of the top of the tank body 11, the lower connecting block 19 corresponds to the lower drive telescopic rod 22, the upper connecting block 18 corresponds to the upper drive telescopic rod 21, a connecting plate 23 is arranged between the upper drive telescopic rod 21 and the upper connecting block 18, one end of the connecting plate 23 is connected with the telescopic end of the upper drive telescopic rod 21, one end of the lower connecting block 19 far away from the tank body 11 is connected with the mounting block 20, the other end of the mounting block 20 is connected with the telescopic end of the lower drive telescopic rod 22, a lower rack 34 is arranged on the mounting block 20, a gear 35 is meshed on the lower rack 34, an upper 36 is meshed on the top of the gear 35, a supporting plate 26 (the supporting plate 26 is not shown in fig. 1-2), the supporting plate 26 is arranged on the upper side, the supporting plate 26 is connected with the upper rack 26, the upper rack 25 is arranged on the side of the upper support frame 25, the upper support frame 25 is arranged on the side of the support frame 25, the support frame 25 is arranged on the side of the support frame 25, the support frame 25 is far away from the side of the support frame 25, and the upper support frame 25 is arranged on the side of the support frame 25, and the support frame is positioned on the side of the support frame 25, and the support frame 25 is far from the side of the support frame 25, and the support frame 25 is positioned on the side of the support frame 25, the through hole 12 is located at the right side of the middle of the guide frame 9), which is designed to facilitate layout;
by adopting the technical scheme, the beneficial effects that, through the design under drive telescopic link 22, the installation is fast, go up rack 36, down rack 34, gear 35, the accessory board, extension board 26, the structure of the subassembly of beating that ball 31 is located the place that is close to drill bit 8 is provided, because ball 31 is located the place that is close to drill bit 8 is beaten to ball 31, when ball 31 beats drilling rod 7 is beaten in beating, the vibration that produces of beating is transmitted to drill bit 8 that can be better, increase the vibration dynamics of drill bit 8, promote the earth or the rubble that block was established on the drill bit 8 to be vibrated away, the vibration effect of drill bit 8 has been improved.
Example 1 ]
The invention provides a water plugging method for advanced drilling water exploration grouting, which utilizes tunnel water exploration drilling equipment to drill water exploration holes, and specifically comprises the following steps:
s1, selecting 35m in front of a face to be constructed as a water detection section, excavating 30m, and reserving the rest 5m as a section to be detected;
s2, drilling six water detection holes on the face of the section to be detected by using the drilling equipment, wherein one water detection hole is arranged in the middle of the face of the drilling section, the other five water detection holes are uniformly and separately arranged on the excavation contour line of the face of the drilling section at intervals, and the water outlet condition of each water detection hole is recorded; the aperture of each water detection hole is 55mm, the water detection holes are inclined, and the external deflection angle of each water detection hole is 2-5 degrees; specifically, as shown in fig. 6 to 7, the final hole diameter of the water detection holes is 55mm, one of six water detection holes (corresponding to numerals 1 to 6 in fig. 6 to 7) is arranged in the middle of the tunnel face (numeral 2), one of the six water detection holes is arranged at the top of the tunnel face (is a top hole, numeral 5), the other four water detection holes are arranged at two sides of the top hole in a group of two groups (numerals 1 and 3 and numerals 4 and 6) at intervals along the edge of the excavation contour line, the water detection holes are inclined, the water flow condition of the water detection holes is observed after the water detection holes are drilled, and the water detection holes can be detected by using a flowmeter;
s3, when the total water yield of the six water detection holes is greater than 15 m/h and 4-6 water detection holes Kong Manshui are formed, carrying out subsequent excavation after full-section water shutoff grouting; when the total water yield of the six water detection holes is smaller than 15 m/h and the water yield of 1-2 water detection holes is larger than 3 m/h, carrying out subsequent excavation after grouting by adopting local water shutoff; when the water yield of the six water exploration holes is less than 3 m/h and the total water yield is less than 15 m/h, carrying out subsequent excavation; specifically, the total water yield in the six water detection holes is greater than 15 m/h, and 4-6 water detection Kong Manshui (water detection Kong Mankong water outlet) are arranged, and the reinforcement is carried out by adopting a full-section water shutoff grouting method, wherein the full-section water shutoff grouting is a grouting reinforcement method commonly used by a person skilled in the art; when the total water yield of the six water detection holes is smaller than 15 m/h and the water yield of 1-2 water detection holes is larger than 3 m/h, carrying out subsequent excavation after adopting local water shutoff grouting, wherein the local water shutoff grouting is to carry out local grouting at a place when the individual water yield is larger than 3 m/h, and the local grouting method is a grouting mode commonly used by a person skilled in the art;
s4, repeating the steps S1-S3;
in the technical scheme, when in actual use, constructors perform geological investigation in advance, the water exploration grouting construction method is performed on the area needing water exploration, firstly, 30m is excavated, then water holes are drilled by using tunnel water exploration drilling equipment, water exploration verification is performed, the underground water condition can be accurately mastered, water is effectively blocked, the construction difficulty is reduced, and the construction efficiency is improved; when accumulating earth and rubble on drill bit 8, need clean drill bit 8, start drive assembly at this moment, the drive cell body 11 is followed drill bit 8 removes, makes the end of giving vent to anger of air feeder 16 remove towards drill bit 8, and then blow earth and rubble on the drill bit 8, hit ball 31 simultaneously and hit the drilling rod 7, can shake rubble and earth that adheres to on drill bit 8 and fall, further improve the cleanliness of drill bit 8, air feeder 16 and hit ball 31 and cooperate simultaneously, earth and rubble on the clean drill bit 8 that can be better have effectively ensured the precision of drill bit 8 next time use, during practical use, can make drilling rod 7 rotate, and then make drill bit 8 rotate, mutually support, the cleaning performance is better.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (5)
1. Tunnel water detection drilling equipment, be in including automobile body, establish the mounting platform of automobile body top, mounting platform with be equipped with angle adjustment mechanism between the automobile body, its characterized in that still includes:
the motor assembly comprises a driving motor and a driving piece, the driving motor is arranged on the mounting platform in a sliding mode, the driving piece drives the driving motor to slide along the mounting platform, an output shaft of the driving motor is coaxially connected with a drill rod, and a drill bit is detachably arranged at the other end, far away from the driving motor, of the drill rod;
the guide frame is arranged on the mounting platform, a through hole with the diameter slightly larger than that of the drill rod is arranged on the guide frame so that the drill rod can penetrate out, and the guide frame is arranged at one end, close to the drill bit, of the drill rod;
the cleaning mechanism comprises a vertical groove body, an air supply device, a driving assembly and a hitting ball assembly, wherein the groove body is arranged on one side, close to a drill bit, of the guide frame, a notch of the groove body is close to the drill bit, a perforation is formed in the bottom of the groove body so that the drill bit can penetrate out, an air outlet end of the air supply device is positioned on the inner top wall of the groove body and faces the drill bit, the hitting ball assembly is arranged below the drill rod, and comprises a support, a rotating shaft, an auxiliary rod, a hitting rod, a rebound member and a pushing rod, wherein the rotating shaft is arranged on the support, the auxiliary rod is arranged on the rotating shaft in a separated mode, the pushing rod is connected with the groove body, one end, far away from the rotating shaft, of the hitting ball is fixedly connected with the pushing rod, and the rebound member is connected with the rotating shaft so that the rotating shaft returns to an initial state under the action of no external force; the driving assembly drives the groove body to move along the drill bit, so that the air supply device ejects high-pressure air towards the drill bit, and meanwhile, the pushing rod is driven to move along the auxiliary rod and push the auxiliary rod to rotate, and then the striking ball is driven to strike the drill rod.
2. The tunnel water detection drilling apparatus of claim 1, wherein the resilient member is a tension spring, one end of the tension spring being fixedly connected to the bracket, and the other end being fixedly connected to the striking rod.
3. The tunnel water detection drilling equipment according to claim 1, wherein a sealing layer is laid on one surface of the groove body far away from the guide frame, a waterproof cloth pipe is arranged between the groove body and the guide frame, one port of the waterproof cloth pipe is in sealing connection with the guide frame, the other port of the waterproof cloth pipe is in sealing connection with the notch of the groove body, so that the groove body, the waterproof cloth pipe and the guide frame are communicated, a water guide area is formed in the groove body, the guide frame and the groove body, a trapezoid cylindrical guide cover is arranged in the water guide area, the guide cover is sleeved on the outer wall of a drill rod, the large diameter end of the guide cover is connected with the guide frame, the diameter of the small diameter end of the guide cover is slightly larger than the diameter of the drill rod, so that the drill rod penetrates through, and water outlet pipes are communicated with two side walls of the groove body;
the driving assembly comprises a pair of driving telescopic rods, the driving telescopic rods are respectively arranged above and below the groove body, and the telescopic ends of the driving telescopic rods are respectively connected with the top and the bottom of the groove body so as to drive the groove body to move along the drill bit.
4. A tunnel boring apparatus according to claim 3, wherein a lower drive telescopic rod is provided at a lower portion of the pair of drive telescopic rods, the auxiliary rod is provided at an end of the rotary shaft remote from the drill bit, and the striking rod is provided at an end of the rotary shaft close to the drill bit; the driving assembly further comprises a mounting block, a pair of racks arranged up and down, a gear and an auxiliary plate, wherein the gear and the auxiliary plate are arranged on the pair of racks and meshed with the pair of racks, the upper rack is positioned at the upper part, the lower rack is positioned at the lower part, the lower rack is fixedly connected with the mounting block, one end of the mounting block is connected with the bottom of the groove body, and the other end of the mounting block is fixedly connected with the telescopic end of the lower driving telescopic rod; still include vertical extension board, the extension board is established on the mounting platform and be located one side of installation piece, go up the rack with extension board sliding connection, go up to be connected with on the rack the accessory board, be equipped with on the accessory board the catch bar.
5. The advanced drilling water detection grouting water shutoff method is characterized by utilizing the tunnel water detection drilling equipment as claimed in any one of claims 1-4 to drill water detection holes, and specifically comprises the following steps:
s1, selecting 35m in front of a face to be constructed as a water detection section, excavating 30m, and reserving the rest 5m as a section to be detected;
s2, drilling six water detection holes on the face of the section to be detected by using the drilling equipment, wherein one water detection hole is arranged in the middle of the face of the drilling section, the other five water detection holes are uniformly and separately arranged on the excavation contour line of the face of the drilling section at intervals, and the water outlet condition of each water detection hole is recorded; the aperture of each water detection hole is 55mm, the water detection holes are inclined, and the external deflection angle of each water detection hole is 2-5 degrees;
s3, when the total water yield of the six water detection holes is greater than 15 m/h and 4-6 water detection holes Kong Manshui are formed, carrying out subsequent excavation after full-section water shutoff grouting; when the total water yield of the six water detection holes is smaller than 15 m/h and the water yield of 1-2 water detection holes is larger than 3 m/h, carrying out subsequent excavation after grouting by adopting local water shutoff; when the water yield of the six water exploration holes is less than 3 m/h and the total water yield is less than 15 m/h, carrying out subsequent excavation;
s4, repeating the steps S1-S3.
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| CN117052306B (en) | 2023-12-15 |
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