CN108060927B - Microwave mixes broken rock device with Water Cutting in a kind of tunnelling - Google Patents
Microwave mixes broken rock device with Water Cutting in a kind of tunnelling Download PDFInfo
- Publication number
- CN108060927B CN108060927B CN201711300722.9A CN201711300722A CN108060927B CN 108060927 B CN108060927 B CN 108060927B CN 201711300722 A CN201711300722 A CN 201711300722A CN 108060927 B CN108060927 B CN 108060927B
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- microwave
- drill bit
- electric telescopic
- telescopic bar
- rock
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1066—Making by using boring or cutting machines with fluid jets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1073—Making by using boring or cutting machines applying thermal energy, e.g. by projecting flames or hot gases, by laser beams
Abstract
The invention discloses microwaves in a kind of tunnelling, and broken rock device is mixed with Water Cutting, and microwave device, drill bit device and Water Cutting device are arranged circumferentially around overturning electric machine main shaft；Microwave device and drill bit device pass through two electric telescopic bars respectively and connect with overturning motor, and electric telescopic bar is connected to the circumferential position of overturning motor；Microwave emitter and PDC drill bit are mounted on electric telescopic bar, cable is embedded in electric telescopic bar, cable and overturning motor are connected to microwave emitter and PDC drill bit is powered；Overturning motor is connected with high-pressure pump, for the cold water got ready, cold water storage cistern is connected with check valve in cold water storage cistern；Check valve is connected with high-pressure pump；High-pressure pump installs pressure gauge；Safety valve is installed at high pressure pump outlet；Feeding system abrasive can is connected with abrasive material mixing chamber；Abrasive material mixing chamber exit is connected with high pressure nozzle.The present apparatus has quick broken rock effect of cooling cutting after quick heat, and interferes ambient enviroment smaller, raising efficiency of breaking rock, reduction broken rock cost.
Description
Technical field
The present invention is microwave heating and Water Cutting auxiliary rock device in broken rock engineering device technique field, is mainly used in ground
Matter exploration, tunnel digging are built and the industry fields such as mine probing, exploitation.
Background technique
During tunnel excavation, boulder and basement rock protrusion problem are often met, the boulder and prominent when using shield driving
The basement rock risen is very serious to the damage of the cutterhead and cutter of shield machine, seriously affects construction speed, engineering cost is significantly increased.
Therefore, rationally processing tunnel excavation during the boulder met and protrusion basement rock, go on smoothly and save engineering to engineering
Cost is of great significance.
The method of processing boulder and the basement rock of protrusion mainly has at present: first is that boulder and protrusion in shield tunneling process
Basement rock handled, such as directly cut the basement rock of boulder and protrusion using shield, in hole the basement rock of explosion boulder and protrusion or
The basement rock of the processing of hydraulic splitting machine boulder and protrusion in hole；Second is that being located in advance before shield-tunneling construction to the basement rock of boulder and protrusion
Reason, such as using the basement rock of boulder and protrusion is abolished in ground punching, artificial digging pile excavates boulder and the basement rock of protrusion, surface drilling
Explosion boulder and the basement rock of protrusion etc..
Mixing abrasive water-jet technology is that a kind of cold cut is cut, and does not generate high temperature, highly-safe, be usually adapted to high temperature and
Forcible entry scene.
It is quickly cooled down experiment under the rock high temperature of progress in the prior art, is obtained from analysis of experimental results, rock is 600
It is quickly cooled down under DEG C high temperature with water, rock interior can generate a large amount of damage, and the intensity of rock sharply declines.It is managed according to the experiment
Refer to experience, the present invention, which devises, a kind of utilizes microwave and Water Cutting orientation, the boulder being effectively treated in tunnelling and protrusion
The device of basement rock.
Summary of the invention
The object of the present invention is to provide the devices and technique of a kind of quick crashing tunnel boulder, solve existing broken skill
The problems such as art is larger to rock-soil layer and ambient enviroment disturbance, more serious to Shield-type machinery abrasion；Rock is added by microwave
Heat carries out fly-cutting with rock of the cold water to heating and reaches broken rock purpose to reduce rock strength.
The technical problems to be solved by the invention are realized using following technical scheme.
Microwave mixes broken rock device, microwave device, drill bit device and Water Cutting device with Water Cutting in a kind of tunnelling
Around being arranged circumferentially for overturning 5 main shaft of motor；Microwave device and drill bit device pass through two electric telescopic bars and overturning respectively
Motor 5 connects, and electric telescopic bar 2 is connected to the circumferential position of overturning motor 5；
Drill bit device includes PDC drill bit 1 and the first driving motor, and the first driving motor is mounted on first electric telescopic bar
The output axis connection of 2 end, PDC drill bit 1 and the first driving motor, the flexible of electric telescopic bar 2 can be to PDC drill bit 1
Drilling machine position carries out free adjustment.
Microwave device includes microwave emitter 3 and aluminum metal cap 14, and two microwave emitters 3 are separately mounted to second
The front end and middle part of electric telescopic bar 2, second electric telescopic bar 2 it is flexible can position to two microwave emitters 3 into
Row freely adjusts, and aluminum metal cap 14 is mounted on the tail portion of electric telescopic bar 2, microwave emitter 3 and the formation of aluminum metal cap 14
Temperature reflecting region increases the heating efficiency of microwave emitter 3.
Water Cutting device include the second driving motor, cold water storage cistern 6, check valve 7, high-pressure pump 8, safety valve 9, pressure gauge 10,
Abrasive can 11, abrasive material mixing chamber 12 and high pressure nozzle 13；High-pressure pump 8 is connect with the main shaft of motor 5, high-pressure pump 8 and 7 phase of check valve
Even, check valve 7 is connected by pipeline with cold water storage cistern 6, pressure gauge 10 is equipped on high-pressure pump 8, there is safety in the exit of high-pressure pump 8
Valve 9, liquid-supplying system outlet are connected with abrasive material mixing chamber 12, and 12 feed inlet of abrasive material mixing chamber is connected with abrasive can 11, abrasive material mixing
The discharge port of chamber 12 is connected with high pressure nozzle 13, and the second driving motor is connect with high-pressure pump 8, and the second driving motor passes through connecting rod
It is fixed on the circumferential direction of overturning motor 5.
It overturns and start button is housed outside motor 5, drill bit dress is started to the rock for just needing to destroy with drill bit device first
It sets and starts to carry out unbearable work, after the unbearable work of work, first electric telescopic bar 2 recycles drill bit device；It is automatic to overturn motor 5
Rotation to microwave device is powered work, and second electric telescopic bar 2 drives microwave emitter 3 to enter and be drilled in hole, microwave
Transmitter 3 and aluminum metal cap 14 form confined space, the starting heating of microwave emitter 3 in drilling, and microwave device is drilling
Interior is spherical surface thermal radiation area, and the rock of drill hole inner wall is heated；After microwave device works, overturning motor 5 rotation to water
Cutter device is powered work, and the rotating-spray in drilling of high pressure nozzle 13 is cooled down and cut to the rock inner wall of heating
It cuts, overturns motor 5 after working to Water Cutting device and stop working, work terminates.It is cut by cold-thermal effect and waterpower, often
The mechanical property of a boulder broken rock module is destroyed, and the destruction to boulder is completed in multiple broken rock module cooperative effects.
Microwave and Water Cutting mixing rock breaking method in a kind of tunnelling, before this method is implemented, respectively by microwave emitter 3
It is mounted on electric telescopic bar 2 with PDC drill bit 1, cable 4 is embedded in electric telescopic bar 2, cable 4 is connected to micro- with overturning motor 5
Wave launcher 3 and PDC drill bit 1 are powered；Overturning motor 5 is connected with high-pressure pump 8, for the cold water got ready, cold water storage cistern in cold water storage cistern 6
6 and check valve 7 connect；Check valve 7 is connected with high-pressure pump 8；High-pressure pump 8 installs pressure gauge 10；8 exit of high-pressure pump is equipped with
Safety valve 9；Feeding system abrasive can 11 is connected with abrasive material mixing chamber 12；12 exit of abrasive material mixing chamber and 13 phase of high pressure nozzle
Even.
The implementation of this method is as follows:
S1 positions the scar in tunnel using across hole ultra high density resistivity method, obtains shape of the scar in tunnel
Shape and location information；
S2 presses the shape of scar, carries out equivalent division to scar；The region of each division is single broken rock module, and is set
The center of broken rock module.
S3 stretches out PDC drill bit 1 with drill bit device electric telescopic bar 2 and drills to rock, afterwards turns over motor 5 to microwave
Device electric telescopic bar 2 stretches out microwave emitter 3 and puts in drilling, seals hole hole with aluminum metal cap 14, sends out microwave
Emitter 3 heats 4 minutes in hole, arrives Water Cutting device in overturning motor 5, opens high-pressure pump 8 and boost, rises required
Cutting pressure；Then, pressure value is observed by pressure gauge 10, opens abrasive can 11 and abrasive material is allowed to enter abrasive material mixing chamber 12, allows
Cold water passes through check valve 7 all the way and enters abrasive material mixing chamber 12, sprays finally by high pressure nozzle 13, cools down to high heat rock mass
Broken rock operation.
Compared with prior art, the present apparatus has quick broken rock effect of cooling cutting after quickly heating, first by drill bit
It is punched to boulder, then microwave device is put in cavity by telescopic rod, carry out microwave heating, then is mixed with high-pressure abrasive material
Heshui rifle carry out broken rock, to surrounding soil disturb it is less, to ambient enviroment interfere it is smaller, improve efficiency of breaking rock, reduce broken rock at
This.
Detailed description of the invention
Fig. 1 mixes broken rock apparatus structure schematic diagram.
Fig. 2 drill bit schematic diagram.
Fig. 3 microwave device schematic diagram.
Fig. 4 Water Cutting schematic device.
In figure: 1, PDC drill bit, 2, electric telescopic bar, 3, microwave emitter, 4, cable, 5, overturning motor, 6, cold water storage cistern,
7, check valve, 8, high-pressure pump, 9, safety valve, 10, pressure gauge, 11, abrasive can, 12, abrasive material mixing chamber, 13, high pressure nozzle, 14,
Aluminum metal cap.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with shown in attached drawing, further
Illustrate the present invention
As shown in Figure 1, microwave mixes broken rock device with Water Cutting in a kind of tunnelling, microwave device, drill bit device and
Water Cutting device is arranged circumferentially around overturning 5 main shaft of motor；Microwave device and drill bit device pass through two conductions respectively and stretch
Contracting bar is connect with overturning motor 5, and electric telescopic bar 2 is connected to the circumferential position of overturning motor 5；
Drill bit device includes PDC drill bit 1 and the first driving motor, and the first driving motor is mounted on first electric telescopic bar
The output axis connection of 2 end, PDC drill bit 1 and the first driving motor, the flexible of electric telescopic bar 2 can be to PDC drill bit 1
Drilling machine position carries out free adjustment.
Microwave device includes microwave emitter 3 and aluminum metal cap 14, and two microwave emitters 3 are separately mounted to second
The front end and middle part of electric telescopic bar 2, second electric telescopic bar 2 it is flexible can position to two microwave emitters 3 into
Row freely adjusts, and aluminum metal cap 14 is mounted on the tail portion of electric telescopic bar 2, microwave emitter 3 and the formation of aluminum metal cap 14
Temperature reflecting region increases the heating efficiency of microwave emitter 3.
Water Cutting device include the second driving motor, cold water storage cistern 6, check valve 7, high-pressure pump 8, safety valve 9, pressure gauge 10,
Abrasive can 11, abrasive material mixing chamber 12 and high pressure nozzle 13；High-pressure pump 8 is connect with the main shaft of motor 5, high-pressure pump 8 and 7 phase of check valve
Even, check valve 7 is connected by pipeline with cold water storage cistern 6, pressure gauge 10 is equipped on high-pressure pump 8, there is safety in the exit of high-pressure pump 8
Valve 9, liquid-supplying system outlet are connected with abrasive material mixing chamber 12, and 12 feed inlet of abrasive material mixing chamber is connected with abrasive can 11, abrasive material mixing
The discharge port of chamber 12 is connected with high pressure nozzle 13, and the second driving motor is connect with high-pressure pump 8, and the second driving motor passes through connecting rod
It is fixed on the circumferential direction of overturning motor 5.
It overturns and start button is housed outside motor 5, drill bit dress is started to the rock for just needing to destroy with drill bit device first
It sets and starts to carry out unbearable work, after the unbearable work of work, first electric telescopic bar 2 recycles drill bit device；It is automatic to overturn motor 5
Rotation to microwave device is powered work, and second electric telescopic bar 2 drives microwave emitter 3 to enter and be drilled in hole, microwave
Transmitter 3 and aluminum metal cap 14 form confined space, the starting heating of microwave emitter 3 in drilling, and microwave device is drilling
Interior is spherical surface thermal radiation area, and the rock of drill hole inner wall is heated；After microwave device works, overturning motor 5 rotation to water
Cutter device is powered work, and the rotating-spray in drilling of high pressure nozzle 13 is cooled down and cut to the rock inner wall of heating
It cuts, overturns motor 5 after working to Water Cutting device and stop working, work terminates.It is cut by cold-thermal effect and waterpower, often
The mechanical property of a boulder broken rock module is destroyed, and the destruction to boulder is completed in multiple broken rock module cooperative effects.
Microwave emitter 3 and PDC drill bit 1 are mounted on electric telescopic bar 2 respectively, cable 4 is embedded in electric telescopic bar
2, cable 4 and overturning motor 5 are connected to microwave emitter 3 and the power supply of PDC drill bit 1；Overturning motor 5 is connected with high-pressure pump 8, cold water
For with the cold water got ready, cold water storage cistern 6 and the connection of check valve 7 in case 6；Check valve 7 is connected with high-pressure pump 8；The installation pressure of high-pressure pump 8
Power table 10；8 exit of high-pressure pump is equipped with safety valve 9；Feeding system abrasive can 11 is connected with abrasive material mixing chamber 12；Abrasive material mixing
12 exit of chamber is connected with high pressure nozzle 13.
Microwave and Water Cutting mixing rock breaking method in a kind of tunnelling, the implementation of this method is as follows,
S1 positions the scar in tunnel using across hole ultra high density resistivity method, obtains shape of the scar in tunnel
Shape and location information；
S2 presses the shape of scar, carries out equivalent division to scar；The region of each division is single broken rock module, and is set
The center of broken rock module.
S3 stretches out PDC drill bit 1 with drill bit device electric telescopic bar 2 and drills to rock, and then rotary turning motor 5 arrives
Microwave device electric telescopic bar 2 stretches out microwave emitter 3 and puts in drilling, seals hole hole with aluminum metal cap 14, makes micro-
Wave launcher 3 heats 4 minutes in hole, and rotary turning motor 5 arrives Water Cutting device, opens high-pressure pump 8 and boosts, rises
Needed for cutting pressure；Then, pressure value is observed by pressure gauge 10, opens abrasive can 11 and abrasive material is allowed to enter abrasive material mixing chamber
12, allow cold water pass through all the way check valve 7 enter abrasive material mixing chamber 12, finally by high pressure nozzle 13 spray, to high heat rock mass into
Row cooling broken rock operation.
Claims (3)
1. microwave mixes broken rock device with Water Cutting in a kind of tunnelling, it is characterised in that: microwave device, drill bit device and water
Cutter device is arranged circumferentially around overturning motor (5) main shaft；Microwave device and drill bit device pass through two conductions respectively and stretch
Contracting bar is connect with overturning motor (5), and electric telescopic bar (2) is connected to the circumferential position of overturning motor (5)；
Drill bit device includes PDC drill bit (1) and the first driving motor, and the first driving motor is mounted on first electric telescopic bar
(2) end, the output axis connection of PDC drill bit (1) and the first driving motor, the flexible of electric telescopic bar (2) can bore PDC
The drilling machine position of head (1) carries out free adjustment；
Microwave device includes microwave emitter (3) and aluminum metal cap (14), and two microwave emitters (3) are separately mounted to second
The front end and middle part of a electric telescopic bar (2), second the flexible of electric telescopic bar (2) can be to two microwave emitters (3)
Position carry out free adjustment, aluminum metal cap (14) is mounted on the tail portion of electric telescopic bar (2), microwave emitter (3) and aluminium
Metal cap (14) formation temperature reflecting region processed increases the heating efficiency of microwave emitter (3)；
Water Cutting device includes the second driving motor, cold water storage cistern (6), check valve (7), high-pressure pump (8), safety valve (9), pressure gauge
(10), abrasive can (11), abrasive material mixing chamber (12) and high pressure nozzle (13)；High-pressure pump (8) and the main shaft of overturning motor (5) connect
It connects, high-pressure pump (8) is connected with check valve (7), and check valve (7) is connected by pipeline with cold water storage cistern (6), and high-pressure pump is installed on (8)
Have pressure gauge (10), the exit of high-pressure pump (8) has safety valve (9), and liquid-supplying system outlet is connected with abrasive material mixing chamber (12), grinds
Material mixing chamber (12) feed inlet is connected with abrasive can (11), and the discharge port of abrasive material mixing chamber (12) is connected with high pressure nozzle (13),
Second driving motor is connect with high-pressure pump (8), and the second driving motor is fixed by the connecting rod the circumferential direction in overturning motor (5)；
It overturns and start button is housed outside motor (5), drill bit device is started to the rock for just needing to destroy with drill bit device first
Start to carry out unbearable work, after work infiltrates work, first electric telescopic bar (2) recycles drill bit device；Overturn motor (5) certainly
Dynamic rotation to microwave device is powered work, and second electric telescopic bar (2) drives microwave emitter (3) to enter and be drilled hole
Interior, microwave emitter (3) and aluminum metal cap (14) form confined space in drilling, and microwave emitter (3) starting heating is micro-
Wave apparatus is spherical surface thermal radiation area in drilling, and the rock of drill hole inner wall is heated；After microwave device works, overturning electricity
Machine (5) rotation to Water Cutting device is powered work, high pressure nozzle (13) rotating-spray in drilling, in the rock of heating
Wall is cooled down and is cut, and overturning motor (5) stops working after working to Water Cutting device, and work terminates；By cold and hot
Effect and waterpower cutting, the mechanical property of each boulder broken rock module are destroyed, and multiple broken rock module cooperative effects are completed to orphan
The destruction of stone.
2. microwave mixes broken rock device with Water Cutting in a kind of tunnelling according to claim 1, it is characterised in that: point
Microwave emitter (3) and PDC drill bit (1) are not mounted on electric telescopic bar (2), cable (4) are embedded in electric telescopic bar
(2), cable (4) and overturning motor (5) are connected to microwave emitter (3) and PDC drill bit (1) is powered；Overturn motor (5) and high pressure
It pumps (8) to be connected, for the cold water got ready, cold water storage cistern (6) and check valve (7) connection in cold water storage cistern (6)；Check valve (7) and high pressure
Pump (8) is connected；High-pressure pump (8) installs pressure gauge (10)；High-pressure pump (8) exit is equipped with safety valve (9)；Feeding system mill
Batch can (11) is connected with abrasive material mixing chamber (12)；Abrasive material mixing chamber (12) exit is connected with high pressure nozzle (13).
3. carrying out microwave and Water Cutting mixing rock breaking method, feature in a kind of tunnelling using claim 1 described device
Be: the implementation of this method is as follows,
S1 positions the scar in tunnel using across hole ultra high density resistivity method, obtain shape of the scar in tunnel and
Location information；
S2 presses the shape of scar, carries out equivalent division to scar；The region of each division is single broken rock module, and sets broken rock
The center of module；
S3 stretches out PDC drill bit (1) with drill bit device electric telescopic bar (2) and drills to rock, then rotary turning motor (5)
Microwave emitter (3) are stretched out with electric telescopic bar (2) to microwave device to put in drilling, seal hole with aluminum metal cap (14)
Mouthful, it heats microwave emitter (3) 4 minutes in hole, arrives Water Cutting device in rotary turning motor (5), open high-pressure pump
(8) it boosts, cutting pressure needed for rising；Then, pressure value is observed by pressure gauge (10), opened abrasive can (11)
It allows abrasive material to enter abrasive material mixing chamber (12), cold water is allowed to pass through check valve (7) all the way into abrasive material mixing chamber (12), finally by height
It presses nozzle (13) to spray, cooling broken rock operation is carried out to high heat rock mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300722.9A CN108060927B (en) | 2017-12-10 | 2017-12-10 | Microwave mixes broken rock device with Water Cutting in a kind of tunnelling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300722.9A CN108060927B (en) | 2017-12-10 | 2017-12-10 | Microwave mixes broken rock device with Water Cutting in a kind of tunnelling |
Publications (2)
| Publication Number | Publication Date |
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| CN108060927A CN108060927A (en) | 2018-05-22 |
| CN108060927B true CN108060927B (en) | 2019-09-27 |
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ID=62136198
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023144184A1 (en) * | 2022-01-25 | 2023-08-03 | Herrenknecht Ag | Device and method for sinking a shaft |
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| CN109057714A (en) * | 2018-10-11 | 2018-12-21 | 刘伟 | A kind of PDC drill bit |
| CN109372433A (en) * | 2018-10-11 | 2019-02-22 | 刘伟 | A kind of PDC drill bit of heat spall broken rock |
| CN109763832A (en) * | 2018-12-25 | 2019-05-17 | 中铁隧道局集团有限公司 | A kind of microwave-assisted broken rock TBM cutterhead for hard rock |
| CN109899079A (en) * | 2019-04-11 | 2019-06-18 | 黄河勘测规划设计研究院有限公司 | The TBM cutterhead for having PDC drill bit auxiliary rock |
| CN112196565A (en) * | 2020-03-04 | 2021-01-08 | 中铁工程装备集团有限公司 | Hob-free hard rock tunneling machine for breaking rock by utilizing microwave and high-pressure air jet |
| CN112196546B (en) * | 2020-03-04 | 2022-02-22 | 中铁工程装备集团有限公司 | Hob-free hard rock tunneling machine for breaking rock by utilizing microwaves and high-pressure water jet |
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| CN112096395A (en) * | 2020-09-22 | 2020-12-18 | 中南大学 | Microwave and cavitation jet combined rock breaking cutter head and rock breaking method |
| CN112832779B (en) * | 2021-01-29 | 2021-12-21 | 中国科学院武汉岩土力学研究所 | CO (carbon monoxide)2Micro-blasting combined TBM rock breaking device |
| CN114352202A (en) * | 2021-12-17 | 2022-04-15 | 贵州大学 | Microwave and high-pressure hot water rock breaking and drilling device |
| CN114961576A (en) * | 2022-05-12 | 2022-08-30 | 重庆大学 | Pile forming method and drill bit for high-pressure water jet large-diameter expanded-bottom rock-socketed pile |
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| CN108060927A (en) | 2018-05-22 |
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