WO2022001153A1

WO2022001153A1 - Microwave-assisted tbm double-hob linear-cutting rock breaking test device

Info

Publication number: WO2022001153A1
Application number: PCT/CN2021/079227
Authority: WO
Inventors: 卢高明; 周建军; 孙振川; 潘东江; 李凤远; 张兵; 韩伟锋; 杨延栋; 许华国; 范文超
Original assignee: 盾构及掘进技术国家重点实验室; 中铁隧道局集团有限公司
Priority date: 2020-06-29
Filing date: 2021-03-05
Publication date: 2022-01-06
Also published as: CN111811975A

Abstract

Disclosed is a microwave-assisted TBM double-hob linear-cutting rock breaking test device. A microwave heating device is combined with a TBM hob rock breaking device for the first time, and microwave irradiation may be arranged at an intermediate position in a hob cutting trajectory and may also be arranged in the same trajectory as hob cutting. The device is used for studying the cutting performance of a TBM hob under the action of microwaves and a cutting rock breaking and abrasion mechanism of the TBM hob under the action of microwaves, so as to determine rational penetration and hob spacing under the action of microwaves, and further studying a new rock breaking technique combining a hard rock microwave cracking technique and a TBM apparatus.

Description

A microwave-assisted TBM double hob linear cutting rock breaking test device

technical field

The invention belongs to the technical field of geotechnical engineering and tunnel engineering, in particular to a microwave-assisted TBM double hob linear cutting rock-breaking test device.

Background technique

TBM (full-face hard rock tunnel boring machine) has been widely used in railway, hydropower, highway, subway and other tunnel projects that need to pass through rock formations. As one of the main methods of tunnel construction, it has a series of advantages that are difficult to achieve by traditional drilling and blasting methods, such as: fast excavation speed, environmental protection, strong geological adaptability, high construction accuracy, and high comprehensive benefits. However, the domestic market share of domestic TBMs is currently low, and there is a large gap between domestic key components and foreign products. Especially involving national defense security, national strategic military engineering and land resources, etc., it is not suitable for foreign institutions to participate, so it is very urgent to accelerate the localization of TBM. Disc-shaped hob (referred to as hob) is the main tool for cutting broken rock on TBM. However, when encountering hard rock and extremely hard rock tunnels, the TBM hob is seriously worn, resulting in increased maintenance rates and construction costs, delays in construction time, and severe cases. Makes it difficult to pass TBM.

At present, many research institutions are exploring new assisted rock breaking technologies, such as high-pressure water jet rock breaking, laser rock breaking, microwave rock breaking, electric blasting rock breaking, etc. Among them, microwave assisted rock breaking is a very potential new rock breaking technology. Technology to solve the problem of severe tool wear when TBM hobs are cutting hard rock. In recent years, major universities and scientific research institutes at home and abroad have increased their research investment and efforts in the field of TBM design, preparation and application technology. In-depth study of rock breaking mechanism and hob wear mechanism, as well as important ways and means to simulate TBM excavation process and design key components of TBM.

However, the existing TBM hob rock-breaking test bench did not consider the combination of new rock-breaking technologies, such as hard rock microwave fracturing technology. Therefore, the current TBM hob rock-breaking test bench cannot be used to study microwave-assisted TBM hob rock-breaking (there is currently no microwave-assisted TBM hob rock-breaking test device). Moreover, when the arrangement of the hob and the microwave heater is different, the mechanism of rock breaking and wear of the hob is also different.

Therefore, it is urgent to design a microwave-assisted TBM double hob linear cutting rock-breaking test device. The microwave irradiation trajectory and the hob cutting trajectory are adjustable. The rock-breaking and wear mechanism of lower TBM hob cutting, as well as the influence of microwave irradiation on the cutting performance of TBM hob, are important ways and means to simulate the microwave-assisted TBM rock-breaking process and design key components of new microwave pre-splitting TBM. The R&D, design and engineering application of the new microwave pre-splitting TBM should be realized as soon as possible.

SUMMARY OF THE INVENTION

In order to make up for the vacancies in the prior art, the present invention provides a microwave-assisted TBM double hob linear cutting rock-breaking test device, which can perform microwave irradiation and TBM hob cutting rock-breaking tests under the same track or different tracks. The test device can be used to study the new technology of combining microwave cracking of hard rock and TBM equipment, determine the rock breaking and wear mechanism of TBM hob under the action of microwave, and study the effect of microwave irradiation on the cutting performance of TBM hob under different trajectories.

In order to achieve the above object, the present invention adopts the following technical scheme: a microwave-assisted TBM double hob linear cutting rock breaking test device, including a hob loading assembly and a microwave irradiation assembly. The hob loading assembly includes: vertical hydraulic cylinder Ⅰ, frame Ⅰ, vertical guide rail Ⅰ, movable beam Ⅰ, force measuring device Ⅰ, hob tool holder Ⅰ, hob Ⅰ, force measuring device Ⅱ, hob tool holder Ⅱ , Hob Ⅱ, rock sample, rock bin, horizontal table, horizontal guide rail, horizontal hydraulic cylinder, frame base, vertical hydraulic cylinder Ⅱ, frame Ⅱ, vertical guide rail Ⅱ, movable beam Ⅱ.

The vertical hydraulic cylinder I and the vertical hydraulic cylinder II are respectively fixed on the upper ends of the frame I and the frame II; the parts of the frame I and the frame II are connected by high-strength bolts, forming a closed frame structure with the frame base; The vertical guide rail I and the vertical guide rail II are respectively fixed on the inner side of the frame I and the frame II; the movable beam I is respectively connected with the vertical hydraulic cylinder I and the vertical guide rail I, and the movable beam I can be driven by the vertical hydraulic cylinder I. Move up and down on the vertical guide rail I; the movable beam II is respectively connected with the vertical hydraulic cylinder II and the vertical guide rail II, and the movable beam II can move up and down on the vertical guide rail II under the driving of the vertical hydraulic cylinder II. The force measuring device I and the force measuring device II are both fixed on the movable beam I, and the lower ends of the force measuring device I and the force measuring device II are respectively connected with the hob tool rest I and the hob tool rest II; the force measuring device I and the force measuring device II can move horizontally along the movable beam I on the movable beam I, so that the distance between the hob tool rest I and the hob tool rest II can be adjusted; the hob I and the hob II are respectively installed on the hob cutter. frame I and hob cutter frame II. The force measuring device I and the force measuring device II can be used to measure the three-direction force (vertical force, rolling force and lateral force) acting on the hob I and the hob II, respectively. Various types of knives can be arranged on the movable beam I, such as single-edged hob and double-edged hob.

The lateral hydraulic cylinder and the lateral guide rail are fixed on the frame base; the lower side of the horizontal worktable is connected with the lateral hydraulic cylinder and the lateral guide rail, and the horizontal worktable can move horizontally along the lateral guide rail under the drive of the lateral hydraulic cylinder; The rock bin is fixed on the horizontal workbench, the rock sample is placed in the rock bin, and concrete is used to pour the rock sample during the test; the lateral hydraulic cylinder is pressurized by the hydraulic system to drive the horizontal workbench on the lateral guide rail. Do lateral movement on the top to make the rock sample produce a rolling action relative to the hob, and realize the hob rolling cutting test.

The microwave irradiation component has two forms, the first form is single microwave irradiation, and the second form is double microwave irradiation. The first form includes a microwave device, and the microwave irradiation can be arranged in the middle of the cutting trajectories of the two hob cutters during the test. The first form includes: a microwave generator I, a transmission waveguide I, a temperature measuring device, and a microwave heater I. The microwave generator I is fixed on the movable beam II, and the microwave generator I is connected to the microwave power source through a cable for converting electrical energy into microwave energy; the movable beam II can be driven by the vertical hydraulic cylinder II on a vertical track. II moves up and down to adjust the distance between the microwave heater I and the rock sample; the microwave generator I can be set with different microwave power and action time; the transmission waveguide I is connected to the microwave generator I for transmission Microwave energy; the length of the transmission waveguide I can be adjusted to adjust the distance between the microwave heater and the hob; the microwave heater I is connected to the transmission waveguide I for transmitting microwave energy to the rock sample. There are various types of microwave heaters, such as straight waveguide heaters, pyramid horn heaters, focusing heaters, and the like. The temperature measuring device I is installed on the transmission waveguide I, and is used for testing the temperature of the irradiated position of the rock during the microwave heating process.

The second form includes two sets of microwave devices, the two sets of microwave devices have the same structure, and the microwave irradiation can be arranged on the same trajectory as the hob cutting. The second form includes: a microwave generator I, a transmission waveguide I, a temperature measuring device, a microwave heater I, a microwave generator II, a transmission waveguide II, and a microwave heater II. The microwave generator I and the microwave generator II are both fixed on the movable beam II, and both the microwave generator I and the microwave generator II are connected to a microwave power source through a cable for converting electrical energy into microwave energy; the movable beam II It can be moved up and down on the vertical track II under the drive of the vertical hydraulic cylinder II to adjust the distance between the microwave heater I and the microwave heater II and the rock sample; the lengths of the transmission waveguide I and the transmission waveguide II are adjustable, It is used to adjust the distance between the microwave heater and the hob; the transmission waveguide I and the transmission waveguide II are respectively connected to the microwave generator I and the microwave generator II for transmitting microwave energy; the microwave generator I and the microwave generator II Different microwave power and action time can be set; the microwave heater I and the microwave heater II are respectively connected with the transmission waveguide I and the transmission waveguide II, and are used to transmit microwave energy to the rock sample. There are various types of microwave heaters, such as straight waveguide heaters, pyramid horn heaters, focusing heaters, and the like. The temperature measuring device I is installed on the transmission waveguide I, and is used for testing the temperature of the irradiated position of the rock during the microwave heating process.

Beneficial effects of the present invention: a microwave-assisted TBM hob rock breaking test device of the present invention combines the microwave heating device with the TBM hob rock breaking device for the first time, and the microwave irradiation can be arranged in the middle of the hob cutting track, It can also be arranged on the same trajectory as the hob cutting, used to study the cutting performance of the TBM hob under the action of microwaves and the rock breaking and wear mechanism of the TBM hob under the action of microwaves, and determine the reasonable penetration and rolling under the action of microwaves. The distance between the cutting tools is further studied, and the new rock breaking technology combining hard rock microwave fracturing technology and TBM equipment is studied.

Description of drawings

Fig. 1 is the perspective view of the first form of the test device of the present invention;

Fig. 2 is the left side view of the first form of the test device of the present invention;

Fig. 3 is the A-A cross-sectional view of the left side view of the first form of the test device of the present invention;

Fig. 4 is the right side view of the first form of the test device of the present invention;

Fig. 5 is the front view of the second form of the test device of the present invention;

Fig. 6 is the B-B sectional view of the front view of the second form of the test device of the present invention;

Fig. 7 is the position diagram of the rock sample before the test of the test device of the present invention;

Fig. 8 is the position diagram of the rock sample after the test of the test device of the present invention;

In the figure, 1—vertical hydraulic cylinder I, 2—frame I, 3—vertical guide rail I, 4—movable beam I, 5—force measuring device I, 6—hob cutter holder I, 7—hob I, 8 - Force measuring device Ⅱ, 9 - Hob tool rest Ⅱ, 10 - Hob Ⅱ, 11 - Rock sample, 12 - Rock bin, 13 - Horizontal table, 14 - Lateral guide rail, 15 - Lateral hydraulic cylinder, 16 - Rack base, 17—vertical hydraulic cylinder II, 18—rack II, 19—vertical guide rail II, 20—movable beam II, 21—microwave generator I, 22—transmission waveguide I, 23—temperature measuring device, 24— Microwave heater I, 25—microwave generator II, 26—transmission waveguide II, 27—microwave heater II.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1-8, a microwave-assisted TBM double hob linear cutting rock breaking test device includes a hob loading assembly and a microwave irradiation assembly. The hob loading assembly includes: vertical hydraulic cylinder Ⅰ1, frame Ⅰ2, vertical guide rail Ⅰ3, movable beam Ⅰ4, force measuring device Ⅰ5, hob tool holder Ⅰ6, hob Ⅰ7, force measuring device Ⅱ8, hob tool holder Ⅱ9 , Hob II10, rock sample 11, rock bin 12, horizontal table 13, lateral guide rail 14, lateral hydraulic cylinder 15, frame base 16, vertical hydraulic cylinder II17, frame II18, vertical guide rail II19, movable beam II20.

The vertical hydraulic cylinder I1 and the vertical hydraulic cylinder II17 are respectively fixed on the upper ends of the frame I2 and the frame II18; the parts of the frame I2 and the frame II18 are connected by high-strength bolts, forming a closed frame structure with the frame base 16 The vertical guide rail I3 and the vertical guide rail II19 are respectively fixed on the inner side of the frame I2 and the frame II18; the movable beam I4 is respectively connected with the vertical hydraulic cylinder I1 and the vertical guide rail I3, and the movable beam I4 is driven by the vertical hydraulic cylinder I1. It can move up and down on the vertical guide rail I3; the movable beam II20 is connected with the vertical hydraulic cylinder II17 and the vertical guide rail II19 respectively, and the movable beam II20 can move up and down on the vertical guide rail II19 under the driving of the vertical hydraulic cylinder II17. The force measuring device I5 and the force measuring device II8 are both fixed on the movable beam I4, and the lower ends of the force measuring device I5 and the force measuring device II8 are respectively connected with the hob tool rest I6 and the hob tool rest II9; the force measuring device I5 and force measuring device II8 can move horizontally along the movable beam I4 on the movable beam I4, so that the distance between the hob tool rest I6 and the hob tool rest II9 can be adjusted; the hob I7 and the hob II10 are respectively installed on the hob cutter. Frame I6 and hob tool holder II9. The force measuring device I5 and the force measuring device II8 can be used to measure the three-direction force (vertical force, rolling force and lateral force) acting on the hob I7 and the hob II10, respectively. Various types of knives can be arranged on the movable beam I4, such as single-edged hob and double-edged hob.

The lateral guide rail 14 and the lateral hydraulic cylinder 15 are fixed on the frame base 16; the lower side of the horizontal table 13 is connected with the lateral guide rail 14 and the lateral hydraulic cylinder 15, Move horizontally along the lateral guide rail 14; the rock bin 12 is fixed on the horizontal workbench 13, the rock sample 11 is placed in the rock bin 12, and concrete is used to pour the rock sample 11 during the test; the lateral hydraulic pressure The cylinder 15 is pressurized by the hydraulic system, and drives the horizontal table 13 to move laterally on the lateral guide rail 14, so that the rock sample 11 produces a rolling action relative to the hob, so as to realize the hob rolling cutting test.

The microwave irradiation component has two forms, the first form is single microwave irradiation, and the second form is double microwave irradiation. The first form includes a set of microwave devices, and the microwave irradiation can be arranged in the middle of the cutting trajectories of the two hob cutters. The first form includes: a microwave generator I21, a transmission waveguide I22, a temperature measuring device 23, and a microwave heater I24. The microwave generator I21 is fixed on the movable beam II20, and the microwave generator I21 is connected with a microwave power source (not shown in the figure) through a cable to convert electrical energy into microwave energy; the movable beam II20 can be connected to the vertical hydraulic cylinder II17. It moves up and down on the vertical track II19 under the drive of the microwave heater I24 to adjust the distance between the microwave heater I24 and the rock sample 11; the microwave generator I21 can be set with different microwave power and action time; the transmission waveguide I22 is connected to the microwave generator. The length of the transmission waveguide I22 is adjustable to adjust the distance between the microwave heater 24 and the hob; the microwave heater I24 is connected to the transmission waveguide I22 to transmit the microwave energy Launched on rock sample 11. The microwave heaters 24 are of various types, such as straight waveguide heaters, pyramid horn heaters, focusing heaters, and the like. The temperature measuring device I23 is installed on the transmission waveguide I22, and is used to measure the temperature of the irradiated position of the rock sample 11 during the microwave heating process.

The second form includes two sets of microwave devices, the two sets of microwave devices have the same structure, and the microwave irradiation can be arranged on the same trajectory as the hob cutting. The second form includes: microwave generator I21, transmission waveguide I22, temperature measuring device 23, microwave heater I24, microwave generator II25, transmission waveguide II26, microwave heater II27. The microwave generator I21 and the microwave generator II25 are both fixed on the movable beam II20, and the microwave generator I21 and the microwave generator II25 are connected to a microwave power source (not shown in the figure) through cables, and are used to convert electrical energy into microwave energy. ; The movable beam II 20 can move up and down on the vertical track II 19 under the drive of the vertical hydraulic cylinder II 17 to adjust the distance between the microwave heater I 24 and the microwave heater II 27 and the rock sample 11; the transmission waveguide I 22 and the transmission The length of the waveguide II26 is adjustable to adjust the distance between the microwave heater I24 and the microwave heater II27 and the hob; the transmission waveguide I22 and the transmission waveguide II26 are respectively connected with the microwave generator I21 and the microwave generator II25 for transmission. Microwave energy; the microwave generator I21 and the microwave generator II25 can be set with different microwave power and action time; the microwave heater I24 and the microwave heater II27 are respectively connected with the transmission waveguide I22 and the transmission waveguide II26, for the microwave Can be launched onto the rock sample 11. The microwave heater I24 and the microwave heater II27 have various types, which can be straight waveguide heaters, pyramid horn heaters, focusing heaters, and the like. The temperature measuring device I23 is installed on the transmission waveguide I22 for testing the temperature of the irradiated position of the rock sample 11 during microwave heating (a temperature measuring device is also installed on the transmission waveguide II26, which is not shown in the figure).

Describe a test process of the present invention below in conjunction with accompanying drawing:

In this embodiment, the rock sample 11 is a rectangular parallelepiped. When the test device is working, the rock bin 12 in which the rock sample 11 is poured with concrete in advance is fixed on the horizontal workbench 13, and the horizontal workbench 13 is pushed by controlling the horizontal hydraulic cylinder 15. , so that the rock sample 11 is moved to the right side of the frame base 16, as shown in FIG. 7 . The hob I7 and the hob II10 are pushed down by the vertical hydraulic cylinder I1 to a certain position according to the preset penetration degree.

Taking the first form of microwave irradiation assembly as an example, the vertical hydraulic cylinder II17 pushes the movable beam II20 to adjust the microwave heater I24 and the rock sample 11 to achieve a certain heating distance, and set the microwave power required for the test. Adjust the position of the microwave generator I21 on the movable beam II20 so that the microwave heater I24 is in the middle of the cutting tracks of the hob I7 and the hob II10. Then, turn on the microwave power, make the microwave heater I24 emit microwaves to the rock sample 11 according to the set microwave power, and irradiate the rock sample 11 to crack the rock sample 11. At the same time, the transverse hydraulic cylinder 15 is pressurized by the hydraulic system to drive the horizontal table 13 to move laterally from right to left on the transverse guide rail 14. When the rock sample 11 moves under the hob I7 and the hob II10, the hob I7 and The hob II10 intrudes into the rock sample 11 according to the set penetration. At this time, the horizontal rolling pressure is applied to the hob I7 and the hob II10. When the rock sample 11 moves from the right to the left (as shown in Figure 8) , that is, a hob rolling cutting test under the action of microwave heating is completed. During the test, the temperature of the position where the rock sample 11 was irradiated by microwaves was measured by the temperature measuring device 23 installed on the transmission waveguide I22. Force) are measured by force measuring device I5 and force measuring device II8 respectively.

Taking the second form of microwave irradiation assembly as an example, the vertical hydraulic cylinder II17 pushes the movable beam II20 to adjust the microwave heater I24 and the microwave heater I27 to reach a certain heating distance from the rock sample 11, and set the microwave power required for the test. Adjust the positions of the microwave generator I21 and the microwave generator II25 on the movable beam II20, so that the irradiation positions of the microwave heater I24 and the microwave heater I27 are on the cutting tracks of the hob I7 and the hob II10, respectively. Then, the microwave power is turned on, so that the microwave heater I24 and the microwave heater I27 emit microwaves to the rock sample 11 according to the set microwave power, and the rock sample 11 is subjected to microwave irradiation to cause cracking. At the same time, the transverse hydraulic cylinder 15 is pressurized by the hydraulic system to drive the horizontal table 13 to move laterally from right to left on the transverse guide rail 14. When the rock sample 11 moves under the hob I7 and the hob II10, the hob I7 and The hob II10 intrudes into the rock sample 11 according to the set penetration. At this time, the horizontal rolling pressure is applied to the hob I7 and the hob II10. When the rock sample 11 moves from the right to the left (as shown in Figure 8) , that is, a hob rolling cutting test under the action of microwave heating is completed. During the test, the temperature of the position where the rock sample 11 was irradiated by microwaves was measured by the temperature measuring device installed on the transmission waveguide. ) are measured by force measuring device I5 and force measuring device II8 respectively.

Other instructions: Since microwave energy will interfere with other signal transmissions, all transmission cables in the sample device are shielded by copper shielding sleeves. In order to avoid the harm caused by microwave energy to the experimental personnel, the test device can be placed in a separate room (electromagnetic shielding room) to realize the test in the state of separation of man and machine, and the test process can be observed by installing a monitoring system.

Claims

A microwave-assisted TBM double hob linear cutting rock-breaking test device is characterized in that it includes a hob loading assembly, a microwave irradiation assembly and a rock sample moving and placing assembly; the hob loading assembly is used for rock samples. TBM hob cutting, which includes two sets of parallel hob; the microwave irradiation assembly is used for microwave cracking the rock sample; the rock sample moving and placing assembly is used to drive the rock sample to pass through the microwave irradiation assembly first Microwave cracking followed by TBM hob cutting through the hob loading assembly.
A microwave-assisted TBM double hob linear cutting rock breaking test device according to claim 1, wherein the hob loading assembly comprises a vertical hydraulic cylinder I, a frame I, a force measuring device I, a hob cutter Frame Ⅰ, hob Ⅰ, force measuring device Ⅱ, hob tool holder Ⅱ, hob Ⅱ;

The inner sides of the two opposite sides of the frame I are respectively provided with vertical guide rails I, the vertical hydraulic cylinder I is installed on the top of the frame I, the bottom of the vertical hydraulic cylinder I is connected with a movable beam I, and the two ends of the movable beam I are respectively connected to two. The slider of the side vertical guide rail I; the force measuring device I and the force measuring device II are installed at the bottom of the movable beam I; the hob tool holder I and the hob tool holder II are respectively installed at the bottom of the force measuring device I and the force measuring device II ; The hob I and the hob II are respectively installed on the hob holder I and the hob holder II.
A microwave-assisted TBM double hob linear cutting rock breaking test device according to claim 1, wherein the microwave irradiation component is a single microwave irradiation, including a frame II, a vertical hydraulic cylinder II, and a microwave generator I , transmission waveguide I, temperature measurement device, microwave heater; vertical guide rails II are respectively provided on the inner sides of the two opposite sides of frame II; vertical hydraulic cylinder II is installed on the top of frame II, and the bottom is connected with movable beam II, The two ends of the movable beam II are respectively connected to the sliders of the vertical guide rails II on both sides; the microwave generator I is installed at the bottom of the movable beam II; the microwave input end and the microwave output end of the transmission waveguide I are respectively connected to the microwave generator I and the microwave heater ; The temperature measuring device is installed on the transmission waveguide I; the microwave generator I is connected with the microwave power supply through a cable.
A microwave-assisted TBM double hob linear cutting rock breaking test device according to claim 3, characterized in that, the microwave irradiation position of the microwave heating system on the rock sample is at the two positions of the hob loading assembly on the rock sample. the middle of the cutting path.
A microwave-assisted TBM double hob linear cutting rock breaking test device according to claim 1, wherein the microwave irradiation component is double microwave irradiation, including a frame II, a vertical hydraulic cylinder II, and a microwave generator I , transmission waveguide I, temperature measuring device, microwave heater I, microwave generator II, transmission waveguide II, microwave heater II; vertical guide rails II are respectively provided on the inner sides of the opposite sides of frame II; vertical hydraulic cylinder II is installed On the top of the frame II, the bottom is connected with a movable beam II, and the two ends of the movable beam II are respectively connected with the sliders of the vertical guide rails II on both sides; the microwave generator I and the microwave generator II are installed at the bottom of the movable beam II; transmission The microwave input end and the microwave output end of the waveguide I are respectively connected to the microwave generator I and the microwave heater I; the microwave input end and the microwave output end of the transmission waveguide II are respectively connected to the microwave generator II and the microwave heater II; the temperature measuring device is installed in the On the transmission waveguide I or the transmission waveguide II; the microwave generator I and the microwave generator II are respectively connected with the microwave power supply through cables.
A microwave-assisted TBM double hob linear cutting rock breaking test device according to claim 5, wherein the two microwave irradiation positions of the microwave irradiation assembly are respectively at two positions of the hob loading assembly on the rock sample. on the cutting path.
A microwave-assisted TBM double hob linear cutting rock-breaking test device according to claim 5, wherein the movable beam II is provided with a track perpendicular to the cutting track, and the track is provided with two sliders, The microwave generator I and the microwave generator II are respectively connected with two sliders.
A microwave-assisted TBM double hob linear cutting rock-breaking test device according to claim 1, wherein the rock sample moving and placing assembly comprises a transverse rail, a transverse hydraulic cylinder, a rock sample containing a rock sample The rock bin is installed on the slider of the transverse track and is connected to the transverse hydraulic cylinder, which can move along the transverse track under the drive of the transverse hydraulic cylinder; the transverse track passes through the hob loading assembly and the microwave irradiation assembly.