CN112196550A - Hob-free hard rock tunneling machine for breaking rock by utilizing microwave and supercritical carbon dioxide - Google Patents
Hob-free hard rock tunneling machine for breaking rock by utilizing microwave and supercritical carbon dioxide Download PDFInfo
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- CN112196550A CN112196550A CN202010144072.9A CN202010144072A CN112196550A CN 112196550 A CN112196550 A CN 112196550A CN 202010144072 A CN202010144072 A CN 202010144072A CN 112196550 A CN112196550 A CN 112196550A
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- microwave
- carbon dioxide
- supercritical carbon
- rock
- telescopic cylinder
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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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
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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
- E21D9/1073—Making by using boring or cutting machines applying thermal energy, e.g. by projecting flames or hot gases, by laser beams
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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
- E21D9/1086—Drives or transmissions specially adapted therefor
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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
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
Abstract
The invention discloses a hob-free hard rock tunneling machine for breaking rock by utilizing microwave and supercritical carbon dioxide, and solves the technical problems of high cost and long construction period caused by the fact that a cutter head needs to be maintained for changing the cutter in the tunneling process of the existing tunneling machine. The invention comprises a central main driving unit connected with a hob-free cutter head, wherein a microwave emitter and a large slag outlet are arranged on the hob-free cutter head, the microwave emitter is connected with a microwave radiation arm, a supercritical carbon dioxide nozzle is arranged on the hob-free cutter head, and the supercritical carbon dioxide nozzle is connected with a supercritical carbon dioxide high-pressure pump station through a supercritical carbon dioxide high-pressure conveying pipe. The invention adopts the microwave and supercritical carbon dioxide jet flow coupling rock breaking system, thoroughly abandons the conventional cutter rock breaking technology, solves the problem that the metal cutter of the development machine is easy to be abnormally damaged when cutting rocks, improves the excavation efficiency and reduces the excavation cost.
Description
Technical Field
The invention relates to the technical field of fifth generation tunnel boring machines, in particular to a hob-free hard rock boring machine for breaking rock by utilizing microwave and supercritical carbon dioxide.
Background
At present, tunnel excavation aims at rock stratums, and mainly aims at achieving the purpose of crushing rock masses by means of pressing rocks with a disc-shaped hob, the compressive strength of the rocks is mainly overcome, the rock crushing efficiency of the rock stratums with common strength (within 100 MPa) is still good, but in harder rock stratums, the hob rock crushing method is poor in economy. Therefore, a novel development machine and a rock breaking method are needed to be subversively invented.
Through retrieval, the prior Chinese utility model patent with the application date of 2018.12.25 and the application number of 201822184738.4 discloses a microwave-assisted rock breaking TBM cutter head for hard rock, which comprises a TBM cutter head main body, wherein the TBM cutter head main body mainly comprises a single-edge rock breaking hob, a double-edge rock breaking hob, a water spray dust removal port and a microwave-assisted rock breaking transmitter; the cutter head covers rock breaking paths with different tracks through the combined arrangement of the double-edge hob and the single-edge hob; the cutter head panel is provided with a plurality of water spraying dust removing openings; the cutter head panel is provided with a plurality of microwave rock breaking transmitters, each microwave rock breaking transmitter consists of a microwave transmitting disc, a waveguide structure and a microwave transmitting module, and when a hard rock stratum is met, a microwave transmitting device is started, the rock is rapidly heated through microwaves, the mechanical properties such as the load strength of a rock point, the uniaxial compressive strength and the tensile strength are reduced, and rock breaking by a TBM hob is assisted by a rock joint crack.
Compared with the traditional cutterhead, the microwave-assisted rock breaking TBM cutterhead for hard rock is provided with the microwave transmitting device to assist the hob in breaking rock, and can improve the tunneling performance relative to the traditional cutterhead, so that the abrasion and the hob changing times of the hob in hard rock are reduced. However, as described in the publication, the hob still has a considerable amount of wear as the excavation and rock breaking progresses, and maintenance such as replacement of the hob is still required, and thus it is impossible to significantly shorten the construction period and reduce the construction investment.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides a hob-free hard rock tunneling machine for breaking rock by using microwave and supercritical carbon dioxide, and solves the technical problems of high cost and long construction period caused by the fact that a cutter head needs to be maintained for changing the cutter in the tunneling process of the existing tunneling machine.
The technical scheme of the invention is realized as follows: the utility model provides an utilize no hobbing cutter hard rock entry driving machine of microwave and broken rock of supercritical carbon dioxide, is including being connected with the center main drive unit of no hobbing cutter blade disc, because no hobbing cutter blade disc quality is light, and be different from traditional blade disc moreover and utilize cutter extrusion rock on the blade disc to break the rock, consequently need not to use traditional actuating mechanism, can abandon the traditional drive mode of peripheral multiunit motor or hydraulic motor speed reducer, only adopt center main drive unit drive do not have the hobbing cutter blade disc rotation can. Because the hob-free cutterhead is driven by a central main driving unit, the back of the hob-free cutterhead can have enough assembly space, and the back of the hob-free cutterhead is provided with a microwave emitter. The microwave emitter is connected with a microwave radiation arm which is communicated with the front side of the hob-free cutter head, microwaves generated by the microwave emitter can be transmitted to the surface of the rock through the microwave radiation arm, and the temperature of the rock is heated to be more than 50 ℃ by utilizing different absorption characteristics of different mineral components in the rock on microwave energy. At this time, the rock is subjected to crystal fracture and transgranular fracture due to the internal stress generated by different thermal expansion of each mineral, so that the rock is damaged and microcracked, and the strength of the rock is reduced. The non-hob cutter head is provided with a supercritical carbon dioxide nozzle, and the supercritical carbon dioxide nozzle is connected with a supercritical carbon dioxide high-pressure pump station through a supercritical carbon dioxide high-pressure conveying pipe. The rock breaking threshold pressure of the supercritical carbon dioxide is far lower than that of the water jet, and the rock eroded by the supercritical carbon dioxide jet is crushed in a network manner and is crushed in a generally laminated manner. Under the dual use of the microwave radiation arm and the supercritical carbon dioxide nozzle, the rock can be subjected to multiple actions of thermal stress, high-pressure fluid erosion and super-strong penetration of supercritical substances, and the effect of large-block rock peeling is achieved.
Further, the slag hole on the hob-free cutter head is larger than 500mm, the opening rate is larger than 25%, the hob-free cutter head is provided with the large slag hole, and large-block peeled rocks can be discharged through the large slag hole.
Furthermore, the glass fiber layer wraps the outside of the supercritical carbon dioxide high-pressure conveying pipe, and can effectively keep the temperature of the supercritical carbon dioxide in the supercritical carbon dioxide high-pressure conveying pipe and effectively guarantee the supercritical state of the supercritical carbon dioxide.
Furthermore, the microwave radiation arm is retractable, and the retractable microwave radiation arm is adjusted according to the distance adaptation between no hobbing cutter blade disc and the rock, makes the microwave radiation arm closely laminate the rock section all the time, avoids too much scattering of microwave or reflects away and reduces the radiating efficiency.
Further, the microwave radiation arm comprises a microwave emission end matched with the non-hob cutter head in a splicing mode, the microwave emission end is connected with a first telescopic cylinder, one end of the first telescopic cylinder is connected with the microwave emission end, the other end of the first telescopic cylinder is connected with the non-hob cutter head, and the microwave emission end can be driven to axially stretch relative to the non-hob cutter head through stretching of the first telescopic cylinder, so that the microwave emission end is close to the rock at the front end.
Furthermore, the microwave transmitting end is made of copper or aluminum, so that microwave scattering can be effectively prevented, and the effect of concentrated energy rock breaking is achieved.
Furthermore, the first telescopic cylinder is a pneumatic telescopic cylinder or a hydraulic telescopic cylinder, and the form of the first telescopic cylinder can be various as long as the first telescopic cylinder can drive the microwave transmitting end head to realize stretching.
Furthermore, a pressure sensor connected with a controller is arranged in the pneumatic telescopic cylinder or the hydraulic telescopic cylinder, and the controller is connected with an electromagnetic valve for controlling the on-off of an air inlet of the pneumatic telescopic cylinder or a liquid inlet of the hydraulic telescopic cylinder. The pressure sensor can monitor pressure in real time, and the controller can control the on-off of the electromagnetic valve in real time according to the monitored pressure so as to control the stretching state of the pneumatic stretching cylinder or the hydraulic stretching cylinder.
Further, a threshold value for controlling the pressure in the first telescopic cylinder to be constant is set in the controller. The pressure value monitored by the pressure sensor in real time is compared with a threshold value, when the pressure value monitored in real time reaches the threshold value, the controller controls the electromagnetic valve to be disconnected, the air inlet of the pneumatic telescopic cylinder or the liquid inlet of the hydraulic telescopic cylinder is closed, and the elongation of the pneumatic telescopic cylinder or the hydraulic telescopic cylinder is maintained; when the real-time monitored pressure value is smaller than the threshold value, the controller controls the electromagnetic valve to be communicated, the air inlet of the pneumatic telescopic cylinder or the liquid inlet of the hydraulic telescopic cylinder is communicated, and the pneumatic telescopic cylinder or the hydraulic telescopic cylinder extends until the pressure reaches the threshold value.
Furthermore, a protection mechanism for protecting the microwave radiation arm is arranged on the front end face of the hob-free cutter head, the protection mechanism comprises a second telescopic cylinder radially arranged in the hob-free cutter head, and the telescopic end of the second telescopic cylinder is connected with a protection plate blocked on the front side of the microwave radiation arm. The extension of second telescoping cylinder can drive guard plate radial movement, and then can shelter from the protection to the microwave radiation arm, needs to use the microwave radiation arm to carry out the during operation, and the retraction of second telescoping cylinder can drive the guard plate and remove the sheltering from to the microwave radiation arm.
Further, the second telescopic cylinder is an electric telescopic cylinder, a pneumatic telescopic cylinder or a hydraulic telescopic cylinder. The form of second telescoping cylinder can have the multiple, as long as can drive the guard plate and realize flexible can.
Furthermore, the second telescopic cylinder is connected with a controller, and the controller is connected with the second telescopic cylinder through a timer and a starter. The controller can set time to the timer according to the length of time of microwave heating, and after microwave heating for a few seconds, the second telescoping cylinder drives the automatic, instantaneous microwave radiation arm that covers of guard plate and protects, avoids broken rock fragment to bounce back and causes the injury on the microwave radiation arm.
Furthermore, the supercritical carbon dioxide nozzle is arranged around the microwave emitter, so that the microwave radiation arm and the supercritical carbon dioxide nozzle can be matched with each other more effectively, and the optimal rock breaking effect is achieved.
The invention adopts the microwave and supercritical carbon dioxide jet flow coupling rock breaking system, thoroughly abandons the conventional cutter rock breaking technology, solves the problem that the metal cutter of the development machine is easy to be abnormally damaged when cutting rocks, improves the excavation efficiency and reduces the excavation cost. The invention has the structural characteristics different from the conventional shield tunneling machine, and the front panel of the tunneling machine is light in weight because the rock is broken without depending on the extrusion of a hob, and the central main driving unit is adopted to drive the hob-free cutterhead to rotate. In addition, the propulsion system does not need strong thrust to extrude rocks, and can be reduced from dozens of propulsion oil cylinders of a conventional shield to four oil cylinders, so that the purpose of pushing the front shield body to move forwards can be met.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a view taken along the line A in FIG. 1;
FIG. 3 is a schematic structural view of the shielding mechanism of FIG. 1;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic view of the telescopic structure of the microwave radiation arm;
FIG. 6 is an enlarged view at B of FIG. 1;
in the figure, 1, a hob-free cutter head, 2, a central main driving unit, 3, a microwave emitter, 4, a microwave radiation arm, 41, a first telescopic cylinder, 42, a microwave emission end, 5, a supercritical carbon dioxide nozzle, 6, a supercritical carbon dioxide high-pressure conveying pipe, 61, a glass fiber layer, 7, a supercritical carbon dioxide high-pressure pump station, 8, a shield body, 81, a protection plate, 82, a second telescopic cylinder, 9, a propulsion oil cylinder, 10, a segment erector, 11, a segment, 12 and a spiral conveyor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Because the hob-free cutterhead 1 is driven by the central main driving unit 2, the back of the hob-free cutterhead can have enough assembly space, and the microwave emitter 3 is arranged at the back of the hob-free cutterhead 1. The microwave emitter 3 is connected with a microwave radiation arm 4 leading to the front side of the hob-free cutter head 1. The microwave is an ultrahigh frequency electromagnetic wave with the wavelength of 0.01-1 m and the frequency of 0.3-300 GHz, has the characteristics of short wavelength and high frequency, and the commonly used rock breaking microwave frequency is 0.915 GHz and 2.45 GHz. The microwave heating of the rock is that the internal friction heat is generated by the high-frequency reciprocating motion of dipole molecules in the rock so as to raise the temperature of the rock, and the internal and external parts of the rock can be simultaneously heated and warmed without any heat conduction process.
The microwave generated by the microwave emitter 3 can be transmitted to the surface of the rock through the microwave radiation arm, and the rock is heated to about 100 ℃ by utilizing different absorption characteristics of different mineral components in the rock to microwave energy. At this time, the rock is subjected to crystal fracture and transgranular fracture due to the internal stress generated by different thermal expansion of each mineral, so that the rock is damaged and microcracked, and the strength of the rock is reduced.
The non-hob cutter head 1 is provided with a supercritical carbon dioxide nozzle 5, and the supercritical carbon dioxide nozzle 5 is connected with a supercritical carbon dioxide high-pressure pump station 7 through a supercritical carbon dioxide high-pressure conveying pipe 6. The rock breaking threshold pressure of the supercritical carbon dioxide is far lower than that of the water jet, and the rock eroded by the supercritical carbon dioxide jet is crushed in a network manner and is crushed in a generally laminated manner. Under the dual use of the microwave radiation arm 4 and the supercritical carbon dioxide nozzle 5, the rock can be subjected to multiple actions of thermal stress, high-pressure fluid erosion and super-strong penetration of supercritical substances, and the effect of large-block rock peeling is achieved. The slag hole on the hob-free cutter head is larger than 500mm, the opening rate is larger than 25%, the hob-free cutter head 1 is provided with the large slag hole, large-sized peeled rocks can be discharged through the large slag hole, and the discharged rocks are discharged through the screw conveyor 12.
The invention adopts the microwave and high-pressure water jet coupled rock breaking system, thoroughly abandons the conventional cutter rock breaking technology, solves the problem that the metal cutter of the development machine is easy to be abnormally damaged when cutting rocks, improves the excavation efficiency and reduces the excavation cost.
The other structure of this embodiment is the same as embodiment 1.
The microwave radiation arm 4 comprises a microwave emission end 42 in plug-in fit with the hob-free cutter head 1, the microwave emission end 42 is connected with a first telescopic cylinder 41, one end of the first telescopic cylinder 41 is connected with the microwave emission end 42, and the other end of the first telescopic cylinder is connected with the hob-free cutter head 1. The first telescopic cylinder 41 can be used for driving the microwave transmitting end 42 to axially extend relative to the hob-free cutterhead 1, so that the microwave transmitting end 13 is close to the rock at the front end.
The first telescopic cylinder 41 is a first pneumatic telescopic cylinder or a first hydraulic telescopic cylinder, and the form of the first telescopic cylinder can be various, as long as the first telescopic cylinder can drive the microwave transmitting end 42 to realize stretching.
The other structure of this embodiment is the same as embodiment 1 or 2.
Embodiment 4, a no hobbing cutter hard rock entry driving machine that utilizes microwave and supercritical carbon dioxide broken rock, be provided with the pressure sensor who links to each other with the controller in the first pneumatic telescoping cylinder or the first hydraulic telescoping cylinder, the controller is connected with the first solenoid valve of the break-make of control first pneumatic telescoping cylinder air inlet or first hydraulic telescoping cylinder inlet. The pressure sensor can monitor pressure in real time, and the controller can control the on-off of the first electromagnetic valve in real time according to the monitored pressure so as to control the stretching state of the first pneumatic stretching cylinder or the first hydraulic stretching cylinder.
A threshold value for controlling the pressure in the first pneumatic telescopic cylinder or the first hydraulic telescopic cylinder to be constant is set in the controller, a pressure value monitored by the first pressure sensor in real time is compared with the threshold value, when the pressure value monitored in real time reaches the threshold value, the controller controls the electromagnetic valve to be switched off, the air inlet of the first pneumatic telescopic cylinder or the liquid inlet of the first hydraulic telescopic cylinder is closed, and the elongation of the first pneumatic telescopic cylinder or the first hydraulic telescopic cylinder is kept; when the real-time monitored pressure value is smaller than the threshold value, the controller controls the first electromagnetic valve to be communicated, the air inlet of the first pneumatic telescopic cylinder or the liquid inlet of the first hydraulic telescopic cylinder is communicated, and the first pneumatic telescopic cylinder or the first hydraulic telescopic cylinder extends until the pressure reaches the threshold value.
Therefore, the retractable microwave radiating arm 4 can be adaptively adjusted according to the distance between the hob-less cutter head 1 and the rock.
The other structure of this embodiment is the same as embodiment 3.
Further, the second telescopic cylinder 82 is an electric telescopic cylinder, a pneumatic telescopic cylinder or a hydraulic telescopic cylinder. The form of the second telescopic cylinder may be various as long as it can drive the protection plate 81 to realize the extension and contraction.
Other structures of this embodiment may be the same as any of embodiments 1 to 4.
In example 6, a hob-free hard rock boring machine for breaking rock by using microwave and supercritical carbon dioxide, the second telescoping cylinder 82 is connected with a controller, and the controller is connected with the second telescoping cylinder 82 through a timer and a starter. The controller can set time for the timer according to the microwave heating duration, and after the microwave heating is carried out for several seconds, the second telescopic cylinder 82 drives the protection plate 81 to automatically and instantaneously cover and protect the microwave radiation arm 4, so that the broken rock fragments are prevented from rebounding to the microwave radiation arm 4 to cause damage.
The other structure of this embodiment is the same as embodiment 5.
Other structures of this embodiment may be the same as any of embodiments 1 to 6.
Other structures of this embodiment may be the same as any of embodiments 1 to 7.
Nothing in this specification is intended to be exhaustive of all conventional and well known techniques.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (13)
1. A hob-free hard rock tunneling machine for breaking rock by utilizing microwave and supercritical carbon dioxide is characterized in that: the device comprises a central main driving unit (2) connected with a hob-free cutter head (1), wherein a microwave emitter (3) and a slag outlet are arranged on the hob-free cutter head (1), the microwave emitter (3) is connected with a microwave radiation arm (4), a supercritical carbon dioxide nozzle (5) is arranged on the hob-free cutter head (1), and the supercritical carbon dioxide nozzle (5) is connected with a supercritical carbon dioxide high-pressure pump station (7) through a supercritical carbon dioxide high-pressure conveying pipe (6).
2. The hobless hard rock boring machine for breaking rock using microwave and supercritical carbon dioxide according to claim 1, characterized in that: the slag outlet on the hob-free cutter head (1) is larger than 500mm, and the opening rate is larger than 25%.
3. The hobless hard rock boring machine for breaking rock using microwave and supercritical carbon dioxide according to claim 2, characterized in that: and a glass fiber layer (61) is wrapped outside the supercritical carbon dioxide high-pressure delivery pipe (6).
4. The hobless hard rock boring machine for breaking rock using microwave and supercritical carbon dioxide according to claim 3, characterized in that: the microwave radiation arm (4) is telescopic.
5. The hobless hard rock boring machine for breaking rock using microwave and supercritical carbon dioxide according to claim 4, characterized in that: the microwave radiation arm (4) comprises a microwave transmitting end (42) which is in plug-in fit with the non-hob cutter head (1), the microwave transmitting end (42) is connected with a first telescopic cylinder (41), one end of the first telescopic cylinder (41) is connected with the microwave transmitting end (42), and the other end of the first telescopic cylinder is connected with the non-hob cutter head (1).
6. The hobless hard rock boring machine for breaking rock using microwave and supercritical carbon dioxide according to claim 5, characterized in that: the microwave transmitting end (42) is made of copper or aluminum.
7. The hobless hard rock boring machine for rock breaking using microwave and supercritical carbon dioxide according to any one of claims 1 to 6, characterized in that: the first telescopic cylinder (41) and the third telescopic cylinder are pneumatic telescopic cylinders or hydraulic telescopic cylinders.
8. The hobless hard rock boring machine for breaking rock using microwave and supercritical carbon dioxide according to claim 7, characterized in that: and a pressure sensor connected with a controller is arranged in the pneumatic telescopic cylinder or the hydraulic telescopic cylinder, and the controller is connected with an electromagnetic valve for controlling the on-off of an air inlet of the pneumatic telescopic cylinder or a liquid inlet of the hydraulic telescopic cylinder.
9. The hobless hard rock boring machine for breaking rock using microwave and supercritical carbon dioxide according to claim 8, characterized in that: the controller is internally provided with a threshold value for controlling the pressure in the first telescopic cylinder (41) to be constant.
10. A hobless hard rock ripper for breaking rock using microwave and supercritical carbon dioxide according to any one of claims 1 to 6 or 8 or 9, characterized in that: the front end face of the hob-free cutter head (1) is provided with a protection mechanism for protecting the microwave radiation arm (4), the protection mechanism comprises a second telescopic cylinder (82) which is radially arranged in the hob-free cutter head (1), and the telescopic end of the second telescopic cylinder (82) is connected with a protection plate (81) which is blocked at the front side of the microwave radiation arm (4).
11. The hobless hard rock boring machine for rock breaking using microwave and supercritical carbon dioxide as claimed in claim 10, characterized in that: the second telescopic cylinder (82) is an electric telescopic cylinder or a pneumatic telescopic cylinder or a hydraulic telescopic cylinder.
12. The hobless hard rock ripper using microwave and supercritical carbon dioxide to break rock according to claim 11, characterized in that: the second telescopic cylinder (82) is connected with a controller, and the controller is connected with the second telescopic cylinder (82) through a timer and a starter.
13. A hobless hard rock boring machine for breaking rock using microwave and supercritical carbon dioxide according to any one of claims 1 to 6 or 8 or 9 or 11 or 12, characterized in that: the supercritical carbon dioxide nozzle (5) is arranged around the microwave emitter (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144072.9A CN112196550A (en) | 2020-03-04 | 2020-03-04 | Hob-free hard rock tunneling machine for breaking rock by utilizing microwave and supercritical carbon dioxide |
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| CN202010144072.9A CN112196550A (en) | 2020-03-04 | 2020-03-04 | Hob-free hard rock tunneling machine for breaking rock by utilizing microwave and supercritical carbon dioxide |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627841A (en) * | 2021-01-19 | 2021-04-09 | 山东大学 | Tunnel advanced drilling rock breaking method utilizing temperature difference effect |
| CN113107516A (en) * | 2021-05-13 | 2021-07-13 | 盾构及掘进技术国家重点实验室 | Hard rock tunnel boring machine with microwave heating and high-pressure water cutting combined assistance for rock breaking |
| CN113217009A (en) * | 2021-05-19 | 2021-08-06 | 中铁工程装备集团有限公司 | Microwave gain type CO2 phase change pressure release rock burst prevention and control method |
| CN114753770A (en) * | 2022-03-31 | 2022-07-15 | 中南大学 | Porous phase change rotary cutting type tunneling drill bit and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0791181A (en) * | 1993-09-21 | 1995-04-04 | Mitsubishi Heavy Ind Ltd | Excavating machine |
| JP2001183188A (en) * | 1999-12-24 | 2001-07-06 | Yokogawa Denshikiki Co Ltd | Monitoring apparatus for carried-out amount of rock |
| CN108561148A (en) * | 2018-06-29 | 2018-09-21 | 中铁工程装备集团有限公司 | A kind of development machine using laser rock fragmenting |
| 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 |
| CN109899081A (en) * | 2019-04-02 | 2019-06-18 | 中铁工程装备集团有限公司 | Utilize the development machine of supercritical carbon dioxide jet stream broken rock |
| CN209637757U (en) * | 2018-12-25 | 2019-11-15 | 中铁隧道局集团有限公司 | A kind of microwave-assisted broken rock TBM cutterhead for hard rock |
| CN209742901U (en) * | 2019-04-02 | 2019-12-06 | 中铁工程装备集团有限公司 | Utilize entry driving machine of broken rock of supercritical carbon dioxide efflux |
-
2020
- 2020-03-04 CN CN202010144072.9A patent/CN112196550A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0791181A (en) * | 1993-09-21 | 1995-04-04 | Mitsubishi Heavy Ind Ltd | Excavating machine |
| JP2001183188A (en) * | 1999-12-24 | 2001-07-06 | Yokogawa Denshikiki Co Ltd | Monitoring apparatus for carried-out amount of rock |
| CN108561148A (en) * | 2018-06-29 | 2018-09-21 | 中铁工程装备集团有限公司 | A kind of development machine using laser rock fragmenting |
| 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 |
| CN209637757U (en) * | 2018-12-25 | 2019-11-15 | 中铁隧道局集团有限公司 | A kind of microwave-assisted broken rock TBM cutterhead for hard rock |
| CN109899081A (en) * | 2019-04-02 | 2019-06-18 | 中铁工程装备集团有限公司 | Utilize the development machine of supercritical carbon dioxide jet stream broken rock |
| CN209742901U (en) * | 2019-04-02 | 2019-12-06 | 中铁工程装备集团有限公司 | Utilize entry driving machine of broken rock of supercritical carbon dioxide efflux |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627841A (en) * | 2021-01-19 | 2021-04-09 | 山东大学 | Tunnel advanced drilling rock breaking method utilizing temperature difference effect |
| CN113107516A (en) * | 2021-05-13 | 2021-07-13 | 盾构及掘进技术国家重点实验室 | Hard rock tunnel boring machine with microwave heating and high-pressure water cutting combined assistance for rock breaking |
| CN113107516B (en) * | 2021-05-13 | 2022-02-22 | 盾构及掘进技术国家重点实验室 | Hard rock tunnel boring machine with microwave heating and high-pressure water cutting combined assistance for rock breaking |
| CN113217009A (en) * | 2021-05-19 | 2021-08-06 | 中铁工程装备集团有限公司 | Microwave gain type CO2 phase change pressure release rock burst prevention and control method |
| CN113217009B (en) * | 2021-05-19 | 2022-04-05 | 中铁工程装备集团有限公司 | Microwave gain type CO2 phase change pressure release rock burst prevention and control method |
| CN114753770A (en) * | 2022-03-31 | 2022-07-15 | 中南大学 | Porous phase change rotary cutting type tunneling drill bit and method |
| CN114753770B (en) * | 2022-03-31 | 2023-02-17 | 中南大学 | Porous phase change rotary cutting type tunneling drill bit and method |
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Application publication date: 20210108 |