CN209324349U - It is a kind of based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine - Google Patents
It is a kind of based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine Download PDFInfo
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- CN209324349U CN209324349U CN201821854033.2U CN201821854033U CN209324349U CN 209324349 U CN209324349 U CN 209324349U CN 201821854033 U CN201821854033 U CN 201821854033U CN 209324349 U CN209324349 U CN 209324349U
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Abstract
The utility model discloses a kind of based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, and solution is to use traditional Mechanical Crushing working method driving speed extremely slow in shaft excavation, and tool damage probability is big.The utility model includes shaft drilling machine host, and shaft drilling machine host is equipped with knife disc tool system, and the knife disc tool system is equipped with electrode.Other machinery knives couplings such as electrode and hobboing cutter of the utility model high pressure pulse discharge control system improve efficiency of breaking rock, reduce tool wear.
Description
Technical field
The utility model relates to tunneling boring shaft drilling machine fields, and in particular to a kind of raising efficiency of breaking rock reduces cutter mill
Damage based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine.
Background technique
Tunneling boring shaft drilling machine mainly utilizes rotary head according to the full face tunneling principle for being similar to TBM and shield machine
On hobboing cutter extrusion shearing broken rock realize shaft excavation purpose.However, the drivage efficiency of this Mechanical Crushing working method is normal
It is influenced by external factors such as formation hardness, especially under extreme conditions, not only driving speed is extremely slow, tool damage probability
Also it greatly improves, brings great economic loss to owner and construction party.High pressure pulse discharge broken rock method passes through the height between electrode
Broken rock is realized in piezoelectricity arc discharge, and can be by adjusting state modulators catalase volume and the driving such as electrode spacing and input electricity
Speed, compared to traditional rock breaking method, it has efficiency of breaking rock height, low, the small, non-environmental-pollution of broken rock energy consumption of rock-cutting power etc. excellent
Point has broad application prospects in catalase field.Even if related result of study shows using the technology in high rigidity
Granite or the geological conditions such as basalt under drilling rate also may be up to 12-30 ms/h, and noise and level of vibration pole
It is low.
Utility model content
The technical problems to be solved in the utility model is to be tunneled in shaft excavation using traditional Mechanical Crushing working method
Velocity anomaly is slow, and tool damage probability is big, provides a kind of based on high pressure pulse discharge-mechanically combining broken rock novel silo brill
Machine.
In order to solve the above technical problems, the utility model adopts the following technical solutions: one kind being based on high pressure pulse discharge-machine
The novel silo drilling machine of tool combined-breaking rock, including shaft drilling machine host, shaft drilling machine host is equipped with knife disc tool system, described
Knife disc tool system be 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.
Discharge medium is equipped in the vertical shaft.Discharge medium is filled in vertical shaft shaft bottom, and discharge medium will flood electrode.
It is connected with vertical shaft shaft bottom space equipped with slag-tapping system.
A kind of construction method based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, including following step
Rapid: 1. discharge medium is filled with silo bottom, drive of the knife disc tool system in main drive system in tunneling process by shaft drilling machine
It is rotated under dynamic;
2. knife disc tool system rotates, high-voltage pulse electric arc controller, which needs to control discharge loop according to broken rock, makes electrode
It discharges, forms high-voltage pulse electric arc in discharge medium, rock is destroyed 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 shaft bottom 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 substructure schematic diagram;
Fig. 2 is the utility model partial enlargement structural representation;
Fig. 3 is the utility model cutter head structure schematic diagram;
Fig. 4 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 1-4, a kind of based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, including vertical shaft
Drilling machine main engine, shaft drilling machine host are equipped with knife disc tool system 1, and the knife disc tool system 1 is equipped with electrode 14.
The electrode 14 is the electrode scraper that electrode material is made.Electrode 14 is made of metal electrode material
, shape be similar to current complete-section tunnel boring machine on commonly use scraper discharge electrode, electrode 14 not only have discharging function, but also
With scraping slag ability.
The knife disc tool system 1 includes cutterhead 15 and hobboing cutter 13, and hobboing cutter 13 and electrode scraper are arranged at cutterhead 15
On.Hobboing cutter 13 is common disk cutter structure on current complete-section tunnel boring machine.Electrode and hobboing cutter are direct in rock break-off process
It is contacted with rock 26.
The electrode 14 is connected with high pressure pulse discharge system.
The high pressure pulse discharge system further includes high-voltage pulse electric arc controller 11, high-voltage pulse electric arc controller 11
It is connect with high tension substation 16;The electrode 14 is connect with high tension substation 16, high tension substation 16 and high-tension transformer 12
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.High-voltage pulse electric arc controller 11 mainly controls filling, putting for the storage capacitor of pulse discharge system
The parameters such as the duration and frequency of electrical circuit;High tension substation 16 is mainly that the storage capacitor of pulse discharge system, main driving etc. mention
For electric energy;High-tension transformer 12 be mainly the voltage of external world's access is increased as extra-high voltage needed for pulse discharge system and
Voltage needed for other circuits of development machine.High pressure described in the utility model refers to that voltage is the voltage within the scope of 50-500kV.
Described to be connected with electrode 14 equipped with rotor cable 2, rotor cable 2 is connect by electric slip ring 3 with stator cable 4.It is fixed
Sub- cable 4 is connected with high-voltage pulse electric arc controller 11.
Discharge medium 51 is equipped in the vertical shaft.Discharge medium 51 is injected into vertical shaft shaft bottom by medium delivery pipe road 5,
To guarantee that positive and negative electrode can form high pressure pulse discharge.The vertical shaft shaft bottom top of the utility model knife disc tool system 1 is full of
Discharge medium 51, discharge medium 51 are mainly discharge in insulation material, such as water, kerosene, transformer oil or other composite materials;This
Utility model carries out pulsed discharge broken rock using discharge medium, and discharge medium is in vertical shaft shaft bottom always under the effect of gravity, leads to
The storage for crossing slag-tapping system control shaft bottom mud, prevents mud from excessively flowing into vertical shaft drilling well host.The utility model further includes
Cutterhead support boots 6 change step system 9 and girder 10, and cutterhead supports boots 6 and stretches out when cutterhead rotates, and act on the borehole wall to offset cutterhead rotation
It changes the line of production raw reaction torque, increases system strength and toughness;It is whole by the flexible realization of oil cylinder of control connection girder 10 to change step system 9
Seat in the plane is moved.
It is connected with vertical shaft shaft bottom space equipped with slag-tapping system 7.The mud that the utility model high pressure pulse discharge broken rock generates
Grain slag soil is stored in the space of vertical shaft shaft bottom, and muddy water dregs is mixed into discharge medium, but does not influence electrode discharge, when in gas-tight silo
When muddy water dregs reaches certain liquid level, the slag discharge amount by adjusting slag-tapping system 7 adjusts the liquid level of discharge medium 51.
A kind of construction method based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, including following step
Rapid: 1. discharge medium is filled with silo bottom, knife disc tool system is in main drive system 8 in tunneling process by shaft drilling machine
It is rotated under driving;The injection rate of the discharge medium of well drilling well bottom wants enough, that scraper electrode can be flooded;
2. knife disc tool system rotates, high-voltage pulse electric arc controller, which needs to control discharge loop according to broken rock, makes electrode
It discharges, forms high-voltage pulse electric arc in discharge medium, rock is destroyed 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 shaft bottom face, to rock.High-voltage pulse arc through is formed to scrape with hobboing cutter, electrode
The diversified forms such as knife couple the effect of broken rock, promote efficiency of breaking rock, reduce tool wear, accelerate construction progress.
Claims (8)
1. a kind of based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, including shaft drilling machine host, vertical shaft is bored
Machine host is equipped with knife disc tool system (1), which is characterized in that the knife disc tool system (1) is equipped with electrode (14).
2. according to claim 1 based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, feature exists
In: the electrode (14) is the electrode scraper that electrode material is made.
3. according to claim 2 based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, feature exists
In: the knife disc tool system (1) includes cutterhead (15) and hobboing cutter (13), and hobboing cutter (13) and electrode scraper are arranged at cutterhead
(15) on.
4. it is according to claim 1 or 2 based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, it is special
Sign is: the electrode (14) is connected with high pressure pulse discharge system.
5. according to claim 4 based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, feature exists
In: the high pressure pulse discharge system further includes high-voltage pulse electric arc controller (11), high-voltage pulse electric arc controller (11)
It is connect with high tension substation (16);The electrode (14) is connect with high tension substation (16), high tension substation (16) and high pressure
Transformer (12) connection.
6. according to claim 5 based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, feature exists
In: described to be connected with electrode (14) equipped with rotor cable (2), rotor cable (2) is connected by electric slip ring (3) and stator cable (4)
It connects.
7. according to claim 1 based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, feature exists
In: discharge medium (51) are equipped in the vertical shaft.
8. according to claim 7 based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling machine, feature exists
In: it is connected with vertical shaft shaft bottom space equipped with slag-tapping system (7).
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109372514A (en) * | 2018-11-12 | 2019-02-22 | 中铁工程装备集团有限公司 | Based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling 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 |
-
2018
- 2018-11-12 CN CN201821854033.2U patent/CN209324349U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109372514A (en) * | 2018-11-12 | 2019-02-22 | 中铁工程装备集团有限公司 | Based on high pressure pulse discharge-mechanically combining broken rock novel silo drilling 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 |
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