WO2020098415A1 - Nouvelle machine de perçage basée sur un brise-roche combiné mécanique et à décharge d'impulsion haute tension - Google Patents

Nouvelle machine de perçage basée sur un brise-roche combiné mécanique et à décharge d'impulsion haute tension Download PDF

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Publication number
WO2020098415A1
WO2020098415A1 PCT/CN2019/109869 CN2019109869W WO2020098415A1 WO 2020098415 A1 WO2020098415 A1 WO 2020098415A1 CN 2019109869 W CN2019109869 W CN 2019109869W WO 2020098415 A1 WO2020098415 A1 WO 2020098415A1
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WO
WIPO (PCT)
Prior art keywords
discharge
voltage pulse
electrode
rock breaking
mechanical combined
Prior art date
Application number
PCT/CN2019/109869
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English (en)
Chinese (zh)
Inventor
姜礼杰
李建斌
文勇亮
贾连辉
贺飞
Original Assignee
中铁工程装备集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201811338656.9A external-priority patent/CN109458188A/zh
Priority claimed from CN201811338648.4A external-priority patent/CN109488316B/zh
Priority claimed from CN201811338614.5A external-priority patent/CN109372514A/zh
Application filed by 中铁工程装备集团有限公司 filed Critical 中铁工程装备集团有限公司
Priority to EP19883683.5A priority Critical patent/EP3882434A4/fr
Publication of WO2020098415A1 publication Critical patent/WO2020098415A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/14—Drilling by use of heat, e.g. flame drilling
    • E21B7/15—Drilling by use of heat, e.g. flame drilling of electrically generated heat
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D9/087—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 with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines

Definitions

  • the invention relates to the technical field of tunnel construction, in particular to a new type of roadheader based on high-voltage pulse discharge-mechanical combined rock breaking and its construction method.
  • full-section tunnel boring machines are commonly used construction machinery in hard rock tunnel projects such as railways, hydropower transportation, mining, municipal administration, etc.
  • the main purpose is to use the hob on the rotating cutter head to squeeze and shear the rock to achieve the purpose of tunneling.
  • the driving efficiency of this mechanical crushing working method is often affected by external factors such as rock hardness, especially under extreme conditions, not only the driving speed is extremely slow, but the probability of tool damage is also greatly increased, causing huge economic losses to the owner and the construction party.
  • the high-voltage pulse discharge rock breaking method achieves rock breaking through high-voltage arc discharge between the electrodes, and can control the rock breaking volume and the driving speed by adjusting the electrode spacing and input power parameters.
  • the present invention proposes a new type of roadheader based on high-voltage pulse discharge-mechanical combined rock breaking, which solves the slow tunneling speed and tool wear in the traditional technology of rock tunnel engineering in the prior art Quick question.
  • a new type of roadheader based on high-voltage pulse discharge-mechanical combined rock breaking includes a heading machine and a rear accessory.
  • the front end of the heading machine is provided with a cutter tool system, a cutter tool system There are electrodes on it.
  • a high-voltage pulse arc control system is connected to the electrodes.
  • the cutter head cutter system includes a cutter head body and a hob, and the electrode scraper and the hob are both arranged on the cutter head body, and the cutter head body is connected with a main drive provided in the boring machine.
  • the electrode is an electrode scraper made of electrode material.
  • the hobs are arranged in a row along the radial direction of the cutter body, the electrodes are arranged between two adjacent hobs in the same row of hobs, the movement path of the electrodes coincides with the cutting path of the hobs; or the electrodes It is arranged between adjacent rows of hobs, and the movement locus of the electrodes is located between the cutting loci of adjacent rows of hobs.
  • the high-voltage pulse arc control system includes a high-voltage pulse arc controller, the high-voltage pulse arc controller is connected to the high-voltage distribution station; the electrode is connected to the high-voltage distribution station through a cable, and the high-voltage distribution station is connected to the high-voltage transformer.
  • the cable includes a rotor cable and a stator cable. One end of the rotor cable is connected to the electrode, the other end is connected to the stator cable through an electric slip ring, and the stator cable is connected to the high-voltage distribution station.
  • the main tunnel is provided with a main beam, which is arranged parallel to the excavation tunnel, a supporting system is arranged on the main beam, a slag discharge system is arranged at the front of the main beam, and the slag discharge system is arranged behind the cutter head cutter system
  • the sealed warehouse is connected.
  • the sealed warehouse is connected with a discharge medium pipeline through a rotary joint, and the discharge medium is led into the sealed warehouse through the discharge medium pipeline.
  • a shield tail sealing system is provided at the rear of the tunneling host, and the shield tail sealing system includes a shield tail brush provided on the inner wall of the shield body wall and a sealing layer provided on the outer side of the pipe segment provided on the rear of the shield body wall.
  • a construction method of a new type of roadheader based on high-voltage pulse discharge-mechanical combined rock breaking includes the following steps: 1 The roadheader fills the discharge medium into the sealed warehouse through the discharge medium pipeline during the tunneling process, and then the cutter tool system is Rotate under the drive of the main drive;
  • the high-voltage pulse arc controller controls the discharge circuit to discharge the electrode according to the rock breaking needs, and forms a high-voltage pulse arc in the discharge medium to destroy the rock; at this time, the hob and the electrode work together on the palm surface to roll the rock Pressure and scraping to form high voltage pulse discharge-mechanical joint rock breaking;
  • steps 1 and 2 the high-pressure pulse discharge-mechanical combined rock breaking process of mud and water residue is stored in a sealed silo.
  • the mud and water sludge is mixed into the discharge medium, but it does not affect the electrode discharge.
  • the slag is discharged through the slag system, and the pressure in the sealed chamber and the liquid level of the discharge medium are adjusted by adjusting the slag output of the slag system.
  • the invention adopts high-pressure pulse discharge-mechanical combined rock breaking to form the effect of high-pressure pulse arc breakdown and hob, electrode scraper and other forms of coupled rock breaking, improve rock breaking efficiency, reduce tool wear, and speed up the construction process.
  • the high-voltage pulse discharge control system is mainly composed of a high-voltage pulse arc controller, an electrical energy storage device (energy storage capacitor in the charging circuit), an electrode scraper, a high-voltage transformer, and a discharge medium. Cracks, dust, flaking, etc., change the traditional rock-breaking method is a major innovation in tunneling.
  • Example 1 is a schematic diagram of the structure of the front of the present invention in Example 1;
  • Example 2 is a schematic view of the central structure of the present invention in Example 1;
  • Example 3 is a schematic diagram of the rear structure of the present invention in Example 1;
  • FIG. 4 is a schematic diagram of the structure of the cutter head of the present invention.
  • Fig. 5 is a schematic view of the structure of the contact state of the hob, electrode scraper and rock on the cutter head.
  • Example 6 is a schematic diagram of the lower structure of the present invention in Example 2.
  • FIG. 7 is a partially enlarged schematic view of FIG. 6.
  • Embodiment 1 as shown in FIG. 1, a new type of roadheader based on high-voltage pulse discharge-mechanical combined rock breaking includes a heading machine and a rear support.
  • the front end of the heading machine is provided with a cutter tool system 1, a cutter tool
  • the system 1 is provided with an electrode 21, and a high-voltage pulse arc control system is connected to the electrode 21.
  • the high-voltage pulse arc control system controls electrode discharge and cooperates with the hob on the existing cutter head to realize high-pressure pulse discharge-mechanical joint rock breaking.
  • the cutter head cutter system 1 includes a cutter head body 22 and a hob 20.
  • the hob 20 is a disc-shaped hob structure commonly used in full-section tunnel boring machines at present.
  • the electrode 21 is an electrode scraper made of electrode material.
  • the electrode 21 is made of a metal electrode material and has a shape similar to the discharge electrode commonly used in current full-section tunnel boring machines.
  • the electrode 21 has both a discharge function and a slag scraping capability. .
  • Both the electrode scraper and the hob 20 are provided on the cutter body 22, and the cutter body 22 is connected to the main drive 4 provided in the main driving machine, and the main drive provides power for the rotation of the cutter body.
  • the electrodes 21 and the hob 20 there are a plurality of the electrodes 21 and the hob 20.
  • the hobs 20 are arranged in a row along the radial direction of the cutter body 22, each row contains a plurality of hobs, and the electrodes 21 are arranged in the same row Between two adjacent hobs in the hob, the movement trajectory of the electrode 21 coincides with the cutting trajectory of the hob; or the electrode 21 is disposed between adjacent rows of hobs, and the movement trajectory of the electrode 21 is located in adjacent rows Between the cutting tracks of the knife.
  • the number of electrodes 21 is preferably such that the impact range of the electrodes 21 can cover substantially the entire palm surface when the cutter head rotates.
  • the high-voltage pulse arc control system includes a high-voltage pulse arc controller 14, and the high-voltage pulse arc controller 14 is connected to the high-voltage substation 15; the electrode 21 is connected to the high-voltage power distribution through a cable
  • the station 15 is connected, and the high-voltage substation 15 is connected to the high-voltage transformer 16.
  • the high-voltage pulse discharge system of the present invention includes a charging circuit, a discharging circuit and a control circuit.
  • the electrode belongs to a part of the discharging circuit.
  • the control circuit controls the energy stored in the charging energy storage. Then, the discharging circuit releases electrical energy through the electrode to form an arc broken rock.
  • the transformer plays the role of boosting the external power supply.
  • the high-voltage pulse arc controller 14 mainly controls parameters such as the charge and discharge circuit duration and frequency of the pulse discharge system's energy storage capacitor; the distribution station 15 mainly provides electrical energy for the pulse discharge system's energy storage capacitor and main drive; the high-voltage transformer 16 It is mainly to increase the voltage connected to the outside to the ultra-high voltage required by the pulse discharge system and the voltage required by other circuits of the roadheader.
  • the high voltage in the present invention refers to the voltage within the range of 50-500kV.
  • the cable includes a rotor cable 2 and a stator cable 6, one end of the rotor cable 2 is connected to the electrode 21, and the other end is connected to the stator cable 6 through an electric slip ring 3, and the rotor cable 2
  • the rotor cable 2 With the rotation of the cutter body, the rotor cable 2 rotates relative to the stator cable under the action of the electric slip ring, and the stator cable 6 is connected to the high-voltage distribution station 15.
  • the high-voltage distribution station 15 is connected to the high-voltage pulse arc controller 14 and the high-voltage transformer 16 through a cable.
  • a special cable reel 17 is provided at the rear of the main body of the boring machine for collecting and winding the cable.
  • a main beam 12 is provided in the main driving machine, and a supporting system 10 is provided on the main beam 12, when used in a shaft boring machine, a supporting system 10a is provided on the main beam, and a slag discharge system is provided in front of the main beam 12 9.
  • the slag discharge system 9 communicates with the sealed silo 30 provided at the rear of the cutter head cutter system 1.
  • a partition 31 is provided inside the front of the shield wall 32, and in front of the partition 31 is a sealed compartment 30, that is, the sealed compartment 30 is formed by the space between the palm face and the partition, and muddy water and mud generated by high-voltage pulse discharge breaking rock Stored in the sealed silo, namely the silo, the mud, water, and soil mixed into the discharge medium, but does not affect the electrode discharge, when the mud, water, muck and soil in the sealed warehouse reach a certain level, adjust the sealed silo by adjusting the slag output of the slag system 9
  • the pressure in 30 and the liquid level of the discharge medium 5, the slag discharge system 9 includes a slurry discharge pump 13, and the slurry discharge pump 13 draws out and discharges the muddy sludge.
  • the sealed chamber 30 is connected with a discharge medium pipe 7 through a rotary joint 20, and the discharge medium 5 is led into the sealed chamber 30 through the discharge medium pipe 7.
  • the discharge medium 5 is injected into the sealed chamber through the discharge medium pipe 7 to ensure that the positive and negative electrodes can form a high-voltage pulse discharge.
  • the discharge medium 5 is mainly an insulating discharge material, such as water, kerosene, transformer oil, or other composite materials;
  • the discharge medium in the sealed chamber 30 used in the present invention is a necessary environment for discharge.
  • the present invention has particularly strict requirements on sealing.
  • the shield tail sealing system includes a shield tail brush 34 arranged on the inner wall of the shield body wall 32.
  • the sealing layer 11 provided outside the tube piece 33 at the rear of the shield wall 32 effectively prevents the discharge medium 5 from entering the main body of the roadheader.
  • a shield tail seal is formed for the slurry layer injected between the segment and the wall of the cave.
  • the rear of the main body of the roadheader of the present invention is provided with a mud pipe storage area 18 and a water pipe reel 19.
  • the mud pipe storage area 18 is used for mud storage
  • the water pipe reel 19 is used for water pipe support and other pipeline management.
  • the invention is also provided with a support system 10 and a propulsion oil cylinder 8.
  • the support system 10 supports the tunnel, and the propulsion oil cylinder 8 plays a propelling role for the invention.
  • Embodiment 2 a construction method of a new type of roadheader based on high-voltage pulse discharge-mechanical combined rock breaking, including the following steps: 1 During the roadheader, the discharge medium is charged into the sealed warehouse through the discharge medium pipeline, and then the knife The disc cutter system rotates under the drive of the main drive;
  • the high-voltage pulse arc controller controls the discharge circuit to discharge the electrode according to the rock breaking needs, and forms a high-voltage pulse arc in the discharge medium to destroy the rock; at this time, the hob and the electrode work together on the palm surface to roll the rock Pressure and scraping to form high voltage pulse discharge-mechanical joint rock breaking;
  • the high-pressure pulse discharge-mechanical combined rock breaking process of mud and water residue is stored in a sealed silo.
  • the mud and water sludge is mixed into the discharge medium, but does not affect the electrode discharge.
  • the mud and water sludge in the sealed silo reach a certain liquid When it is in position, the slag is discharged through the slag system, and the pressure in the sealed chamber and the liquid level of the discharge medium are adjusted by adjusting the slag output of the slag system.
  • the other structure is the same as the first embodiment.
  • Example 3 As shown in Figures 6 and 7, when high-voltage pulse discharge-mechanical combined rock breaking is applied to a shaft boring machine: a discharge medium is provided in the shaft, the discharge medium is filled at the bottom of the shaft, and the discharge medium is to submerge the electrode and slag out The system communicates with the bottom space of the shaft.
  • the shaft boring machine also includes a cutter head support 10a and a step change system 40.
  • the step change system 40 controls the expansion and contraction of the oil cylinder of the main beam 12 to realize the displacement of the whole machine.
  • the cutter head support 10a extends when the cutter head rotates and acts on the shaft In order to counteract the counter torque generated by the rotation of the cutter head and increase the strength and toughness of the system; the corresponding shield sealing system may not be provided on the shaft boring machine.
  • the construction method includes the following steps: 1 During the drilling process of the shaft drilling rig, the discharge medium is charged into the bottom of the shaft, and the cutter head cutter system rotates under the drive of the main drive system;
  • the high-voltage pulse arc controller controls the discharge circuit to discharge the electrodes according to the rock breaking needs, and forms a high-voltage pulse arc in the discharge medium, which damages the rock progressively.
  • the high-pressure pulse discharge-mechanical combined rock breaking process of mud and water residue is stored in a sealed silo.
  • the mud and water sludge is mixed into the discharge medium, but does not affect the electrode discharge.
  • the mud and water sludge in the sealed silo reach a certain liquid When it is in position, the slag is discharged through the slag system, and the pressure in the sealed chamber and the liquid level of the discharge medium are adjusted by adjusting the slag output of the slag system.
  • the other structure is the same as the first embodiment.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Optics & Photonics (AREA)
  • Earth Drilling (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

L'invention concerne une nouvelle machine de perçage basée sur un brise-roche combiné mécanique et à décharge d'impulsion haute tension, comprenant une machine de perçage principale et un équipement de support arrière. Une extrémité avant de la machine de perçage principale est pourvue d'un système de coupe de tête de coupe (1), une électrode (21) est disposée sur le système de coupe de tête de coupe (1), et un système de commande d'arc d'impulsion haute tension est connecté sur l'électrode (21). Le système de coupe de la tête de coupe comprend un corps (22) et une fraise-mère (20). L'électrode (21) est un racloir constitué d'un matériau d'électrode. Le racloir d'électrode et la fraise-mère (20) sont tous les deux disposés sur le corps (22) de tête de coupe. Le corps (22) de tête de coupe est relié à un entraînement principal disposé dans la machine de perçage principale. La présente machine de perçage utilise une décharge d'impulsion haute tension et un brise-roche combiné mécanique pour créer l'effet d'une rupture d'arc d'impulsion à haute tension couplée à des fraises-mères, des racloirs d'électrode et d'autres formes de brise-roche, ce qui améliore l'efficacité de rupture de la roche, réduit l'usure de l'outil de coupe, et accélère le processus de construction.
PCT/CN2019/109869 2018-11-12 2019-10-08 Nouvelle machine de perçage basée sur un brise-roche combiné mécanique et à décharge d'impulsion haute tension WO2020098415A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19883683.5A EP3882434A4 (fr) 2019-10-08 Nouvelle machine de perçage basée sur un brise-roche combiné mécanique et à décharge d'impulsion haute tension

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201811338614.5 2018-11-12
CN201811338656.9A CN109458188A (zh) 2018-11-12 2018-11-12 高压脉冲放电-机械联合破岩的隧道掘进机用刀盘
CN201811338648.4A CN109488316B (zh) 2018-11-12 2018-11-12 高压脉冲放电-机械联合破岩的全断面隧道掘进机
CN201811338614.5A CN109372514A (zh) 2018-11-12 2018-11-12 基于高压脉冲放电-机械联合破岩的新型竖井钻机
CN201811338656.9 2018-11-12
CN201811338648.4 2018-11-12

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WO2020098415A1 true WO2020098415A1 (fr) 2020-05-22

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WO (1) WO2020098415A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111622288A (zh) * 2020-06-24 2020-09-04 中国科学院武汉岩土力学研究所 水力机械联合破岩铣轮及双轮铣槽机
CN112554898A (zh) * 2020-12-09 2021-03-26 安徽唐兴机械装备有限公司 一种顶管机的三刃滚刀
FR3119415A1 (fr) * 2021-02-04 2022-08-05 I-Cube Research Trépan et outil de forage de hautes puissances pulsées

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10238273A (ja) * 1997-02-28 1998-09-08 Komatsu Ltd 電気破砕方法
JPH11141270A (ja) * 1997-11-12 1999-05-25 Komatsu Ltd 電気破砕による自由断面掘削機及びその掘削方法
US20060037779A1 (en) * 2004-08-20 2006-02-23 Tetra Corporation Pulsed electric rock drilling apparatus
CN103551231A (zh) * 2013-11-18 2014-02-05 中南大学 一种脉冲破碎机构、海底富钴结壳破碎系统及破碎方法
CN108222838A (zh) * 2018-01-18 2018-06-29 中国地质大学（武汉） 一种电脉冲破岩钻头及其实验装置
CN108412507A (zh) * 2018-05-23 2018-08-17 中铁高新工业股份有限公司 一种新型激光辅助破岩tbm结构
CN109372514A (zh) * 2018-11-12 2019-02-22 中铁工程装备集团有限公司 基于高压脉冲放电-机械联合破岩的新型竖井钻机
CN109458188A (zh) * 2018-11-12 2019-03-12 中铁工程装备集团有限公司 高压脉冲放电-机械联合破岩的隧道掘进机用刀盘
CN109488316A (zh) * 2018-11-12 2019-03-19 中铁工程装备集团有限公司 高压脉冲放电-机械联合破岩的全断面隧道掘进机
CN209324349U (zh) * 2018-11-12 2019-08-30 中铁工程装备集团有限公司 一种基于高压脉冲放电-机械联合破岩的新型竖井钻机
CN209324353U (zh) * 2018-11-12 2019-08-30 中铁工程装备集团有限公司 一种高压脉冲放电-机械联合破岩的全断面隧道掘进机
CN209354144U (zh) * 2018-11-12 2019-09-06 中铁工程装备集团有限公司 一种高压脉冲放电-机械联合破岩的隧道掘进机用刀盘

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10238273A (ja) * 1997-02-28 1998-09-08 Komatsu Ltd 電気破砕方法
JPH11141270A (ja) * 1997-11-12 1999-05-25 Komatsu Ltd 電気破砕による自由断面掘削機及びその掘削方法
US20060037779A1 (en) * 2004-08-20 2006-02-23 Tetra Corporation Pulsed electric rock drilling apparatus
CN103551231A (zh) * 2013-11-18 2014-02-05 中南大学 一种脉冲破碎机构、海底富钴结壳破碎系统及破碎方法
CN108222838A (zh) * 2018-01-18 2018-06-29 中国地质大学（武汉） 一种电脉冲破岩钻头及其实验装置
CN108412507A (zh) * 2018-05-23 2018-08-17 中铁高新工业股份有限公司 一种新型激光辅助破岩tbm结构
CN109372514A (zh) * 2018-11-12 2019-02-22 中铁工程装备集团有限公司 基于高压脉冲放电-机械联合破岩的新型竖井钻机
CN109458188A (zh) * 2018-11-12 2019-03-12 中铁工程装备集团有限公司 高压脉冲放电-机械联合破岩的隧道掘进机用刀盘
CN109488316A (zh) * 2018-11-12 2019-03-19 中铁工程装备集团有限公司 高压脉冲放电-机械联合破岩的全断面隧道掘进机
CN209324349U (zh) * 2018-11-12 2019-08-30 中铁工程装备集团有限公司 一种基于高压脉冲放电-机械联合破岩的新型竖井钻机
CN209324353U (zh) * 2018-11-12 2019-08-30 中铁工程装备集团有限公司 一种高压脉冲放电-机械联合破岩的全断面隧道掘进机
CN209354144U (zh) * 2018-11-12 2019-09-06 中铁工程装备集团有限公司 一种高压脉冲放电-机械联合破岩的隧道掘进机用刀盘

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111622288A (zh) * 2020-06-24 2020-09-04 中国科学院武汉岩土力学研究所 水力机械联合破岩铣轮及双轮铣槽机
CN112554898A (zh) * 2020-12-09 2021-03-26 安徽唐兴机械装备有限公司 一种顶管机的三刃滚刀
CN112554898B (zh) * 2020-12-09 2022-12-09 安徽唐兴装备科技股份有限公司 一种顶管机的三刃滚刀
FR3119415A1 (fr) * 2021-02-04 2022-08-05 I-Cube Research Trépan et outil de forage de hautes puissances pulsées
WO2022167370A1 (fr) * 2021-02-04 2022-08-11 I-Cube Research Trépan et outil de forage de hautes puissances pulsées

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