CN209324353U - A kind of complete-section tunnel boring machine of high pressure pulse discharge-mechanically combining broken rock - Google Patents
A kind of complete-section tunnel boring machine of high pressure pulse discharge-mechanically combining broken rock Download PDFInfo
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- CN209324353U CN209324353U CN201821854030.9U CN201821854030U CN209324353U CN 209324353 U CN209324353 U CN 209324353U CN 201821854030 U CN201821854030 U CN 201821854030U CN 209324353 U CN209324353 U CN 209324353U
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- high pressure
- pressure pulse
- electrode
- pulse discharge
- broken rock
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Abstract
The utility model discloses a kind of high pressure pulse discharge-mechanically combining broken rock complete-section tunnel boring machine, solution is slow using traditional Mechanical Crushing working method driving speed in tunnel engineering, the problems such as tool wear is fast.The utility model includes driving machine host, and driving machine host is equipped with knife disc tool system, and the knife disc tool system is equipped with electrode.The utility model devises the novel electrode scraper for having both high pressure pulse discharge and scraping ability；Other machinery knives couplings such as electrode and hobboing cutter of high pressure pulse discharge control system improve efficiency of breaking rock, reduce tool wear.
Description
Technical field
The utility model relates to the complete-section tunnel boring machine fields in constructing tunnel, and in particular to a kind of raising broken rock effect
Rate, reduce tool wear based on the novel complete-section tunnel boring machine cutterhead of high pressure pulse discharge-mechanically combining broken rock.
Background technique
Complete-section tunnel boring machine is commonly used in the hard rocks tunnel engineerings such as railway, water power traffic, mine, municipal administration at present
Engineering machinery, the purpose of tunnel piercing is mainly realized using the hobboing cutter extrusion shearing broken rock on rotary head.However, this
The drivage efficiency of Mechanical Crushing working method is subjected to the influence of the external factors such as formation hardness, especially under extreme conditions, not only
Driving speed is extremely slow, and tool damage probability also greatly improves, and brings great economic loss to owner and construction party.High-tension pulse
Impulse electricity broken rock method realizes broken rock by the high pressure arc discharge between electrode, and can be by adjusting electrode spacing and input electricity
Equal state modulators catalase volume and driving speed, compared to traditional rock breaking method, it has efficiency of breaking rock height, rock-cutting power
It low, the advantages that broken rock energy consumption is small, non-environmental-pollution, is had broad application prospects in catalase field.Related research knot
Even if fruit shows that drilling rate also may be up to 12-30 under the geological conditions such as the granite of high rigidity or basalt using the technology
M/h, and noise and level of vibration are extremely low.
Utility model content
The technical problems to be solved in the utility model is in hard rock tunnel engineering using traditional Mechanical Crushing working method
Driving speed is slow, and tool wear is fast etc., provides a kind of based on the tunneling boring tunnel piercing of high pressure pulse discharge-mechanically combining broken rock
Machine.
In order to solve the above technical problems, the utility model adopts the following technical solutions: a kind of high pressure pulse discharge-machinery connection
The complete-section tunnel boring machine of broken rock, including driving machine host are closed, driving machine host is equipped with knife disc tool system, the knife
Disk tooling system is equipped with electrode.
The electrode is the electrode scraper that electrode material is made.
The knife disc tool system includes cutterhead and hobboing cutter, and hobboing cutter and electrode scraper are arranged on cutterhead.
The electrode is connected with high pressure pulse discharge system.
The high pressure pulse discharge system further includes high-voltage pulse electric arc controller, high-voltage pulse electric arc controller and height
It is press-fitted power station connection；The electrode is connect with high tension substation, and high tension substation is connect with high-tension transformer.
Described to be connected with electrode equipped with rotor cable, rotor cable passes through electric slip ring and stator cable connection.Stator cable
It is connect with high-voltage pulse electric arc controller.
The driving machine host front is equipped with gas-tight silo, is equipped with discharge medium in gas-tight silo.
It is matched with gas-tight silo equipped with tail sealing system, the tail sealing system includes shield body wall and section of jurisdiction, shield
It is equipped with several layers shield tail brush between body wall and section of jurisdiction, is equipped with sealant on the outside of the section of jurisdiction at shield body wall rear portion.
The right side of gas-tight silo is equipped with swivel joint, and gas-tight silo passes through swivel joint and external discharge medium pipeline connection.
It is connected with gas-tight silo equipped with slag-tapping system.
A kind of construction method of the complete-section tunnel boring machine of high pressure pulse discharge-mechanically combining broken rock, including following step
Rapid: 1. complete-section tunnel boring machine will be filled with discharge medium, knife disc tool system is in main driving in tunneling process in sealed compartment
It is rotated under the driving of system；
Electrode is set to discharge 2. high-voltage pulse electric arc controller needs to control discharge loop according to broken rock, in discharge medium
Interior formation high-voltage pulse electric arc destroys rock into property.
Step when 2. the high-voltage pulse electric arc controller makes electrode be discharged, cutterhead rotation, scrape by hobboing cutter and electrode
Knife collective effect carries out rolling and scraping in face, to rock.
The utility model devises the novel electrode scraper for having both high pressure pulse discharge and scraping ability；High pressure pulse discharge
Control system mainly by high-voltage pulse electric arc controller, apparatus for storing electrical energy (storage capacitor in charge circuit), electrode scraper,
The composition such as high voltage variable electric appliance, discharge medium can generate destruction to rock by electric discharge, such as crack, dust, peeling；It is high
Other machinery knives couplings such as electrode and the hobboing cutter of pulsed discharge control system are pressed, efficiency of breaking rock is improved, reduce cutter mill
Damage.
Detailed description of the invention
Fig. 1 is the utility model front portion structure schematic diagram；
Fig. 2 is the utility model central structure schematic diagram；
Fig. 3 is the utility model rear structure schematic diagram；
Fig. 4 is the utility model cutter head structure schematic diagram；
Fig. 5 is hobboing cutter on the utility model cutterhead, electrode scraper and rock contact status architecture schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-5, a kind of high pressure pulse discharge-mechanically combining broken rock complete-section tunnel boring machine, including driving
Machine host, driving machine host are equipped with knife disc tool system 1, and the knife disc tool system 1 is equipped with electrode 21.
The electrode 21 is the electrode scraper that electrode material is made.Electrode 21 is made of metal electrode material
, shape be similar to current complete-section tunnel boring machine on commonly use scraper discharge electrode, electrode 21 not only have discharging function, but also
With scraping slag ability.Electrode is directly contacted with rock 26 with hobboing cutter in rock break-off process.
The knife disc tool system 1 includes cutterhead 22 and hobboing cutter 20, and hobboing cutter 20 and electrode scraper are arranged at cutterhead 22
On.Hobboing cutter 20 is common disk cutter structure on current complete-section tunnel boring machine.
The electrode 21 is connected with high pressure pulse discharge system.
The high pressure pulse discharge system further includes high-voltage pulse electric arc controller 14, high-voltage pulse electric arc controller 14
It is connect with high tension substation 15；The electrode 21 is connect with high tension substation 15, high tension substation 15 and high-tension transformer 16
Connection.The utility model high pressure pulse discharge system includes charge circuit, discharge loop and control loop, and electrode, which belongs to, to discharge back
The a part on road controls the energy size of circuit control charging energy-storing when work, electric by electrode release by discharge loop later
Can, form arc drilling rock.Transformer plays a part of to boost to exterior power supply.High-voltage pulse electric arc controller 14 mainly controls
The parameters such as the duration and frequency in the charge and discharge circuit of the storage capacitor of pulse discharge system；Power distribution station 15 is mainly pulsed discharge
The storage capacitor of system, main driving etc. provide electric energy；High-tension transformer 16 is mainly to increase the voltage of external world's access for pulse
Voltage needed for extra-high voltage needed for discharge system and development machine other circuits, high pressure described in the utility model refer to electricity
Pressure is the voltage within the scope of 50-500kV.
Described to be connected with electrode 21 equipped with rotor cable 2, rotor cable 2 is connect by electric slip ring 3 with stator cable 6.It is fixed
Sub- cable 6 is connect with high-voltage pulse electric arc controller 14.
The driving machine host front is equipped with gas-tight silo 30, is equipped with discharge medium 5 in gas-tight silo 30.
It is matched with gas-tight silo 30 equipped with tail sealing system, the tail sealing system includes shield body wall 32 and section of jurisdiction
33, it is equipped with several layers shield tail brush 34 between shield body wall 32 and section of jurisdiction 33, is equipped with sealant on the outside of the section of jurisdiction 33 at 32 rear portion of shield body wall
11.The sealant is mud layer, and section of jurisdiction 33 is bonded section of jurisdiction with hole wall by mud layer；Shield body wall is set on the inside of 32 front
There is partition 31, be gas-tight silo 30 in front of partition 31,32 rear portion of shield body wall is connect by sealant 11 with section of jurisdiction 33.
The gas-tight silo 30 of the utility model is formed by the space between face and partition；Discharge medium 5 predominantly insulate
Discharge material, such as water, kerosene, transformer oil or other composite materials；The gas-tight silo that the utility model the utility model uses
Discharge medium in 30 is the necessary environment that discharges, and when electrode carries out pulsed discharge broken rock, considers the factors such as safety, the utility model
It is particularly severe to seal request, to prevent the discharge medium 5 in gas-tight silo 30 from entering development machine along shield body wall periphery around shield body
In host, sealing system is set, discharge medium 5 is effectively prevent to enter driving machine host.It is injection in the construction of sealant 11
Mud layer between section of jurisdiction and hole wall forms tail sealing.
The right side of gas-tight silo 30 is equipped with swivel joint 23, and gas-tight silo 30 passes through swivel joint 23 and external discharge medium pipe
Road 7 is connected to.Inject discharge medium 5 into gas-tight silo by discharge medium pipeline 7 to guarantee that positive and negative electrode can form high-tension pulse
Impulse electricity.
It is connected with gas-tight silo 30 equipped with slag-tapping system 9.The muddy water slag that the utility model high pressure pulse discharge broken rock generates
Soil is stored in gas-tight silo, i.e. Tu Cang, and muddy water dregs is mixed into discharge medium, but does not influence electrode discharge, when mud in gas-tight silo
When grain slag soil reaches certain liquid level, the slag discharge amount by adjusting slag-tapping system 9 adjusts pressure and discharge medium 5 in gas-tight silo 30
Liquid level.The slag-tapping system 9 includes slurry pump 13, and muddy water dregs is extracted out and be discharged by slurry pump 13.As shown in Figures 2 and 3,
The utility model tunnels machine host rear portion and is equipped with special cable drum 17, mud tube memory block 18 and water pipe reel 19.This reality
It is additionally provided with support system 10 and propelling cylinder 8 with novel, support system 10 carries out supporting to tunnel, and 8 pairs of sheets of propelling cylinder are practical
Novel progradation.
A kind of construction method of the complete-section tunnel boring machine of high pressure pulse discharge-mechanically combining broken rock, including following step
Rapid: 1. complete-section tunnel boring machine will be filled with discharge medium, knife disc tool system is in main driving in tunneling process in sealed compartment
It is rotated under the driving of system 8；The injection rate of discharge medium wants enough in sealed compartment, to flood electrode；
Electrode is set to discharge 2. high-voltage pulse electric arc controller needs to control discharge loop according to broken rock, in discharge medium
Interior formation high-voltage pulse electric arc destroys rock into property.
Step when 2. the high-voltage pulse electric arc controller makes electrode be discharged, cutterhead rotation, scrape by hobboing cutter and electrode
Knife collective effect carries out rolling and scraping in face, to rock.Form high-voltage pulse arc through and hobboing cutter, electrode scraper etc.
Diversified forms couple the effect of broken rock, promote efficiency of breaking rock, reduce tool wear, accelerate construction progress.
Claims (10)
1. a kind of high pressure pulse discharge-mechanically combining broken rock complete-section tunnel boring machine, including driving machine host, tunnel owner
Machine is equipped with knife disc tool system (1), which is characterized in that the knife disc tool system (1) is equipped with electrode (21).
2. high pressure pulse discharge according to claim 1-mechanically combining broken rock complete-section tunnel boring machine, feature exist
In: the electrode (21) is the electrode scraper that electrode material is made.
3. high pressure pulse discharge according to claim 2-mechanically combining broken rock complete-section tunnel boring machine, feature exist
In: the knife disc tool system (1) includes cutterhead (22) and hobboing cutter (20), and hobboing cutter (20) and electrode scraper are arranged at cutterhead
(22) on.
4. the tunneling boring tunnel piercing of high pressure pulse discharge according to any one of claims 1 to 3-mechanically combining broken rock
Machine, it is characterised in that: the electrode (21) is connected with high pressure pulse discharge system.
5. high pressure pulse discharge according to claim 4-mechanically combining broken rock complete-section tunnel boring machine, feature exist
In: the high pressure pulse discharge system further includes high-voltage pulse electric arc controller (14), high-voltage pulse electric arc controller (14)
It is connect with high tension substation (15)；The electrode (21) is connect with high tension substation (15), high tension substation (15) and high pressure
Transformer (16) connection.
6. high pressure pulse discharge according to claim 5-mechanically combining broken rock complete-section tunnel boring machine, feature exist
In: described to be connected with electrode (21) equipped with rotor cable (2), rotor cable (2) is connected by electric slip ring (3) and stator cable (6)
It connects.
7. high pressure pulse discharge according to claim 1-mechanically combining broken rock complete-section tunnel boring machine, feature exist
In: the driving machine host front is equipped with gas-tight silo (30), is equipped with discharge medium (5) in gas-tight silo (30).
8. high pressure pulse discharge according to claim 7-mechanically combining broken rock complete-section tunnel boring machine, feature exist
In: it is matched with gas-tight silo (30) equipped with tail sealing system, the tail sealing system includes shield body wall (32) and section of jurisdiction
(33), several layers shield tail brush (34) is equipped between shield body wall (32) and section of jurisdiction (33), the section of jurisdiction (33) at shield body wall (32) rear portion is outside
Side is equipped with sealant (11).
9. high pressure pulse discharge according to claim 7-mechanically combining broken rock complete-section tunnel boring machine, feature exist
In: the right side of gas-tight silo (30) is equipped with swivel joint (23), and gas-tight silo (30) is situated between by swivel joint (23) and external electric discharge
Matter pipeline (7) connection.
10. high pressure pulse discharge according to claim 7-mechanically combining broken rock complete-section tunnel boring machine, feature
It is: is connected with gas-tight silo (30) equipped with slag-tapping system (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821854030.9U CN209324353U (en) | 2018-11-12 | 2018-11-12 | A kind of complete-section tunnel boring machine of high pressure pulse discharge-mechanically combining broken rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821854030.9U CN209324353U (en) | 2018-11-12 | 2018-11-12 | A kind of complete-section tunnel boring machine of high pressure pulse discharge-mechanically combining broken rock |
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| CN209324353U true CN209324353U (en) | 2019-08-30 |
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| CN201821854030.9U Active CN209324353U (en) | 2018-11-12 | 2018-11-12 | A kind of complete-section tunnel boring machine of high pressure pulse discharge-mechanically combining broken rock |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488316A (en) * | 2018-11-12 | 2019-03-19 | 中铁工程装备集团有限公司 | High pressure pulse discharge-mechanically combining broken rock complete-section tunnel boring machine |
| WO2020098415A1 (en) * | 2018-11-12 | 2020-05-22 | 中铁工程装备集团有限公司 | High-voltage pulse discharge and mechanical combined rock breaking-based novel boring machine |
| CN113202494A (en) * | 2021-04-30 | 2021-08-03 | 山东建筑大学 | Tunnel full-section hot-melting rock breaking device and method |
-
2018
- 2018-11-12 CN CN201821854030.9U patent/CN209324353U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488316A (en) * | 2018-11-12 | 2019-03-19 | 中铁工程装备集团有限公司 | High pressure pulse discharge-mechanically combining broken rock complete-section tunnel boring machine |
| WO2020098415A1 (en) * | 2018-11-12 | 2020-05-22 | 中铁工程装备集团有限公司 | High-voltage pulse discharge and mechanical combined rock breaking-based novel boring machine |
| CN113202494A (en) * | 2021-04-30 | 2021-08-03 | 山东建筑大学 | Tunnel full-section hot-melting rock breaking device and method |
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