CN108267053A - A kind of mechanical device that plasma shot rock is generated using electrohydraulic effect - Google Patents
A kind of mechanical device that plasma shot rock is generated using electrohydraulic effect Download PDFInfo
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- CN108267053A CN108267053A CN201810261708.0A CN201810261708A CN108267053A CN 108267053 A CN108267053 A CN 108267053A CN 201810261708 A CN201810261708 A CN 201810261708A CN 108267053 A CN108267053 A CN 108267053A
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- sleeve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of mechanical devices that plasma shot rock is generated using electrohydraulic effect, including device body, described device ontology includes first sleeve, plasma generating unit and compressed part, and the first sleeve is equipped with the sealing for sealing the drilling bored during shot rock；The compressed part is for compressing the sealing, so that drilling described in the both seals；The plasma generating unit is at least partially disposed in the first sleeve, and the lower end of sealing is configured with the opening to release energy for the plasma generating unit in the first sleeve.The device passes through the drilling bored during both seals shot rock, within making the sealing of the energy of explosion and drilling, the energy of explosion is further made to concentrate in broken rock, the explosion of the rigid rock such as granite is realized, using the arrangement achieves a kind of methods of on-explosive shot rock.
Description
Technical field
The present invention relates to rock mass Rock Technology fields, and plasma explosion is generated using electrohydraulic effect more particularly to a kind of
The mechanical device of rock.
Background technology
Plasma Rock Technology is a kind of efficient detritus method emerging both at home and abroad, is put at electrode by high-voltage pulse
Electricity generates plasma, and dielectric crushes rock in drilling under high temperature and pressure effect.The effect that blasting generates
Power is the longitudinal tension stress to rock, and broken effect is more preferable, and rock break-off process is pollution-free and slungshot, consuming little energy, noise, danger
Dangerous low rock.
The country such as South Korea, Russia, U.S. all plasma Rock Technologies have carried out research work, and part etc. from
Daughter detritus equipment has been used in engineering.The space research center of Auburn University of the U.S., single pulse 200kJ, punching
Electric current is hit up to 200kA, and grasps the novel electrode of independent research and special dielectric technology, it is bigger volume can be blown
Rock, and rock fracture process is without slungshot, dust etc.；The impulse discharge energy 300kJ of Canadian Noranda corporate devices,
After continuous discharge 250 times, processing ore is 3~4 tons；The technology is used for powder by Russian Academy Of Sciences rare earth element research institute
Broken dish limestone-nepheline ore deposit；South Korea, Japan is studied in terms of plasma detritus rock crack propagation fracture.
But detritus is carried out using plasma technique at present, the rock to pop is usually sandstone, coal cinder equal strength hardness
Relatively low rock, and blasting energy is insufficient, efficiency is relatively low, and country rock is poor for applicability.For the application side compared with hard rock such as granite
Blank is still located in the research in face, and site operation application is badly in need of wanting a kind of safe and efficient, and with good ambulant novel broken rock skill
Art.
Invention content
The purpose of the invention is to provide a kind of device suitable for the rigid rock such as explosion granite.
In order to solve the above technical problems, embodiment disclosed by the invention, which provides a kind of utilization electrohydraulic effect, generates plasma
The mechanical device of body shot rock, including device body, described device ontology includes first sleeve, plasma generating unit and pressure
Tight portion,
The first sleeve is equipped with the sealing for sealing the drilling bored during shot rock；
The compressed part is for compressing the sealing, so that drilling described in the both seals；
The plasma generating unit is at least partially disposed in the first sleeve, in the first sleeve under sealing
End is configured with the opening to release energy for the plasma generating unit.
Alternatively and preferably, screw thread is equipped on the outside of the first sleeve, the sealing includes sealing element and first tightly
Gu nut, the sealing element is set in the first sleeve, and first clamp nut passes through the screw thread and described first
Casing connection, first pre-load nut can prevent the sealing element towards the first pre-load nut Slideslip.
Alternatively and preferably, the sealing further includes the second clamp nut, second clamp nut and described the
Sleeve is connected through a screw thread.
Alternatively and preferably, the sealing element is wedge shape, and the diameter of the sealing element is more than the diameter of the drilling.
Alternatively and preferably, it is additionally provided with sealing rubber ring between first pre-load nut and the sealing element.
Alternatively and preferably, the compressed part includes compression bar and connecting rod, and the compression bar is equipped with can be described in
First sleeve and the hole for blocking the sealing, the compression bar are connect with the connecting rod by nut, pass through tightening nut energy
The compression bar is enough made to be moved relative to the connecting rod.
Alternatively and preferably, the opening is positioned at the side of the first sleeve；
The plasma generating unit includes high-field electrode and low-field electrode, and the lower end of the first sleeve is equipped with lower end
Lid；
The high-field electrode is at least partially disposed in the first sleeve, the bottom end cover and the lower end of the first sleeve
It is connected through a screw thread, the low-field electrode is connect with the bottom end cover.
Alternatively and preferably, described device ontology further includes the first insulating sleeve, first insulating sleeve at least portion
Divide and be located in the first sleeve, the high-field electrode is at least partially disposed in first insulating sleeve.
Alternatively and preferably, protrusion is equipped in the first sleeve, the protrusion is used to prevent first insulation sleeve
Pipe is moved to the opening；The upper end of the first sleeve be equipped with third clamp nut, the third clamp nut with it is described
First sleeve connects, and the third pre-load nut is used to that first insulating sleeve to be prevented to move to the first sleeve upper end.
Alternatively and preferably, the high-field electrode is connect with the low-field electrode by wire.
A kind of mechanical device that plasma shot rock is generated using electrohydraulic effect provided by the invention, have has as follows
Beneficial effect：
1st, the mechanical device structure that plasma shot rock is generated using electrohydraulic effect in the present invention is simple, is easy to make
It makes, it is securely and reliably, easy to operation；
2nd, the mechanical device that plasma shot rock is generated using electrohydraulic effect in the present invention, is set on the first sleeve
Sealing is put, sealing is compressed by compressed part, makes the drilling bored during both seals shot rock, so as to make explosion
Energy sealing in drilling, it is therefore prevented that blasting energy is revealed, and realizes the explosion of the rigid rock such as granite, improves explosion effect
Rate, using the arrangement achieves a kind of methods of on-explosive shot rock.
Description of the drawings
Fig. 1 is cuing open for the mechanical device that embodiment disclosed by the invention generates plasma shot rock using electrohydraulic effect
View；
Fig. 2 is removal compressed part in the mechanical device for generated shown in Fig. 1 using electrohydraulic effect plasma shot rock
Structure diagram；
Fig. 3 is that the cooperation of the mechanical device and rock mass using electrohydraulic effect generation plasma shot rock shown in Fig. 1 is shown
It is intended to.
In figure：
1. first sleeve；2. high-field electrode；3. low-field electrode；401. second insulating sleeves；402. third insulating sleeves；
403. the 4th insulating sleeves；5. third clamp nut；6. sealing element；7. the first clamp nut；8. the second clamp nut；9. sealing
Cushion rubber；10. compression bar；11. connecting rod；12. nut；13. bottom end cover；14. rock mass；15. drilling.
Specific embodiment
It is right with reference to the accompanying drawings and detailed description in order to which those skilled in the art is made to be better understood from the present invention program
The present invention is described in further detail.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " on ", " under " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
Show that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The limitation of the scope of the present invention.
Additionally, it should be appreciated that limiting parts using the words such as " first ", " second ", " third ", it is only
Convenient for being distinguished to above-mentioned parts, such as without Stated otherwise, above-mentioned word is not understood that there is no particular meaning
For limiting the scope of the invention.In the description of the present invention, " multiple " are meant that at least two, such as two, three
It is a etc., unless otherwise specifically defined.
The mechanical device disclosed by the invention that plasma shot rock is generated using electrohydraulic effect, mainly including first set
Pipe 1, plasma generating unit and compressed part.Sealing is equipped in first sleeve 1, compressed part is used to compress sealing so that close
Envelope portion can seal the drilling 15 bored in 14 blasting process of rock mass, and plasma generating unit is at least partially disposed at first sleeve
Interior, the lower end of sealing is configured with the opening to release energy for plasma generating unit in first sleeve.
In some embodiments, sealing includes 6 and first clamp nut 7 of sealing element, and sealing element 6 is set in first sleeve
On 1, screw thread is equipped in 1 outside of first sleeve, the first clamp nut 7 is connected by the screw thread in first sleeve 1 and first sleeve 1
It connects, meanwhile, the first clamp nut 7 is in close contact with sealing element 6, can prevent sealing element 6 from breakking away towards the first clamp nut 7 in this way
It is dynamic.To make sealing tighter, sealing rubber ring 9 can be set between 6 and second clamp nut of sealing element.In order to preferably fix
First clamp nut 7, can also increase by second clamp nut 8, and the second clamp nut 8 equally connects with 1 screw thread of first sleeve
It connects, and it is in close contact with the first clamp nut 7.To make the more strict sealing drilling 15 of sealing element 6, sealing element 6 can be set
Wedgewise is counted, and the diameter of sealing element 6 is greater than the diameter of drilling 15, in installation process, at the minimum diameter of sealing element 6
In drilling 15, it is located at outside drilling 15 at maximum gauge.The material of sealing element 6 can select rubber, preferably use hard rubber.
In some embodiments, compressed part includes compression bar 10 and connecting rod 11, and compression bar 10, which is equipped with, can pass through first set
Pipe 1 and the hole for blocking sealing, compression bar 10 are connect with connecting rod 11 by nut 12, can make compression bar 10 by tightening nut 12
It is moved relative to connecting rod 11, and then makes sealing will 15 tight seals of drilling.
In some embodiments, plasma generating unit includes high-field electrode 2 and low-field electrode 3, the lower end of first sleeve 1
Equipped with bottom end cover 13；High-field electrode 2 is at least partially disposed in first sleeve 1, and bottom end cover 13 and the lower end of first sleeve 1 pass through spiral shell
Line connects, and low-field electrode 3 is connect with bottom end cover 13, and there are distances between high-field electrode 2 and low-field electrode 3.For supplying plasma
The opening that generating unit releases energy positioned at the side of first sleeve 1, the opening for make the energy of explosion by first sleeve 1 into
Enter drilling 15.The both ends of high-field electrode 2 are equipped with external screw thread, and high-field electrode 2 is fixed in first sleeve 1 by nut.Under
End cap 13 is equipped with threaded trepanning, and low-field electrode 3 is equipped with external screw thread, by rotating low-field electrode 3 into bottom end cover 13
On trepanning in fix low-field electrode 3.For the sake of security, insulating layer can be externally wrapped in high-field electrode 2.
In some embodiments, which further includes the first insulating sleeve, and the first insulating sleeve is at least partially disposed at first
In casing 1, high-field electrode 2 is at least partially disposed in the first insulating sleeve.Protrusion is equipped in first sleeve 1, which is used for
The first insulating sleeve is prevented to be moved in the opening in first sleeve 1, the protrusion be located at open interior in first sleeve 1 slightly to
On position at, the lower end of the first insulating sleeve is enabled to be located just at the position being open in first sleeve 1 by the protrusion
Place.Third clamp nut 5 is additionally provided in the upper end of first sleeve 1, third clamp nut 5 is connected through a screw thread with first sleeve 1,
And the first insulating sleeve is fixed, and then prevent the first insulating sleeve from thinking that 1 upper end of first sleeve is moved.By the way that nut is threaded into
The both ends of high-field electrode 2, and then high-field electrode 2 and the first insulating sleeve are fixed.In addition, the first insulating sleeve can be whole section
Structure can also split into multistage, and the benefit using multistage is easy for installation and convenient for fixed high-field electrode 2 and first sleeve 1.
It is described by taking multistage as an example below, the first insulating sleeve is by the second insulating sleeve 401,402 and the 4th insulation sleeve of third insulating sleeve
Pipe 403 forms；Second insulating sleeve, 401 front end by the convex barrier that is arranged in first sleeve 1, the second insulating sleeve 401
Other end setting is fluted, and the both ends of third insulating sleeve 402 are equipped with the tongue coordinated with the second insulating sleeve 401, and the 4th
One end of insulating sleeve 403 also is provided with the groove coordinated with tongue on third insulating sleeve 402, the second insulating sleeve 401, third
402 and the 4th insulating sleeve 403 of insulating sleeve is sequentially connected.By third clamp nut 5 by first sleeve 1, third insulation sleeve
402 and the 4th insulating sleeve 403 of pipe is fixed.
In some embodiments, it is connected between high-field electrode 2 and low-field electrode 3 by wire.In the lower end of high-field electrode 2
Side and centre-drilling hole, after wire is put into from the side of high-field electrode 2, be pierced by through centre bore, be then wound into low tension
On pole 3.It finds in use, when wire is wrapped on low-field electrode 3, part gold is had after the completion of blasting work
Belong to silk to remain on low-field electrode 3, therefore be for another deformation of low-field electrode 3, in the centre-drilling hole of low-field electrode 3,
And wire is penetrated in the hole of low-field electrode 3.Since current energy of plasma release tech is directed at rock blasting aspect
In the early stage of development, presently, there are discharge mode mainly have for needle-like, for template, sky is divided into according to medium between high low electrode
Gas and liquid.Discharge mode is divided into rock surface electric discharge and discharges (prebored hole) with rock interior.For the discharging structure of aciculiform formula
Be mainly used in the small exergonic application of demand, device it is relatively simple for structure, but in terms of fractured rock, due to
Fractured rock needs higher energy, and the energy that rock fracture needs is more, relatively low for needle construction capacity usage ratio, release
Energy is it is impossible to meet demand, especially in rock of the explosion compared with strong hardness.In the present embodiment, it is connected using wire high
Low electrode both ends are discharged, and in discharge process, can improve the utilization rate of energy, wire is in pulsing unit discharge process
Middle generation energy deposition releases the energy of bigger, passes to very highdensity pulse current in a short time on wire, thereon
Rapid accumulation ohm heat makes wire states of matter that acute variation occur, and wire is caused to vaporize, is exploded, resistance value increased dramatically, companion
With a series of strong shock waves and intense radiation, the release rate of energy is improved, reduces energy consumption cost, greatly increases the broken of rock
Rate.
The mechanical device disclosed by the invention that plasma shot rock is generated using electrohydraulic effect, it is simple in structure, it is easy to
Manufacture, it is securely and reliably, easy to operation；Sealing is set on the first sleeve, sealing is compressed by compressed part, makes sealing close
The drilling 15 bored during envelope explosion rock mass 14 so as to which the energy for making explosion is sealed in drilling 15, further makes explosion
Energy is concentrated in broken rock, realizes the explosion of the rigid rock such as granite；It is quick-fried that wire is added on the basis of pure electric detonation
It is broken so that voltage capacitor is reduced to a certain extent, that is, reduces the cost of whole device, improves the release of energy
Rate reduces energy consumption cost, greatly increases the percentage of damage of rock, while using the arrangement achieves a kind of on-explosive shot rocks
Method.
The mechanical device provided by the present invention that plasma shot rock is generated using electrohydraulic effect is carried out above
It is discussed in detail.Specific case used herein is expounded the principle of the present invention and embodiment, above example
Explanation is merely used to help understand the core idea of the present invention.It should be pointed out that those skilled in the art are come
Say, without departing from the principle of the present invention, can also to the present invention some improvement and modification can also be carried out, these improvement and modification
It also falls within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of mechanical device that plasma shot rock is generated using electrohydraulic effect, including device body, which is characterized in that
Described device ontology includes first sleeve, plasma generating unit and compressed part,
The first sleeve is equipped with the sealing for sealing the drilling bored during shot rock；
The compressed part is for compressing the sealing, so that drilling described in the both seals；
The plasma generating unit is at least partially disposed in the first sleeve, the lower end structure of sealing in the first sleeve
Make the opening to release energy for the plasma generating unit.
2. the mechanical device according to claim 1 that plasma shot rock is generated using electrohydraulic effect, feature are existed
In the first sleeve outside is equipped with screw thread, and the sealing includes sealing element and the first clamp nut, and the sealing element is arranged
In the first sleeve, first clamp nut is connect by the screw thread with the first sleeve, and described first pre-tightens
Nut can prevent the sealing element towards the first pre-load nut Slideslip.
3. the mechanical device according to claim 2 that plasma shot rock is generated using electrohydraulic effect, feature are existed
In the sealing further includes the second clamp nut, and second clamp nut is connected through a screw thread with the first sleeve.
4. the mechanical device according to claim 2 that plasma shot rock is generated using electrohydraulic effect, feature are existed
In the sealing element is wedge shape, and the diameter of the sealing element is more than the diameter of the drilling.
5. the mechanical device according to claim 2 that plasma shot rock is generated using electrohydraulic effect, feature are existed
In being additionally provided with sealing rubber ring between first pre-load nut and the sealing element.
6. the mechanical device according to claim 1 that plasma shot rock is generated using electrohydraulic effect, feature are existed
In the compressed part includes compression bar and connecting rod, and the compression bar, which is equipped with, can pass through the first sleeve and block described close
The hole in envelope portion, the compression bar are connect with the connecting rod by nut, the compression bar can be made relatively described by tightening nut
Connecting rod moves.
7. the mechanical device according to claim 1 that plasma shot rock is generated using electrohydraulic effect, feature are existed
In the opening is positioned at the side of the first sleeve；
The plasma generating unit includes high-field electrode and low-field electrode, and the lower end of the first sleeve is equipped with bottom end cover；
The high-field electrode is at least partially disposed in the first sleeve, and the bottom end cover and the lower end of the first sleeve pass through
It is threadedly coupled, the low-field electrode is connect with the bottom end cover.
8. the mechanical device according to claim 7 that plasma shot rock is generated using electrohydraulic effect, feature are existed
In, described device ontology further includes the first insulating sleeve, and first insulating sleeve is at least partially disposed in the first sleeve,
The high-field electrode is at least partially disposed in first insulating sleeve.
9. the mechanical device according to claim 8 that plasma shot rock is generated using electrohydraulic effect, feature are existed
In the first sleeve is interior to be equipped with protrusion, and the protrusion is used to that first insulating sleeve to be prevented to be moved to the opening；Institute
The upper end for stating first sleeve is equipped with third clamp nut, and the third clamp nut is connect with the first sleeve, the third
Pre-load nut is used to that first insulating sleeve to be prevented to move to the first sleeve upper end.
10. it is filled according to the machinery that plasma shot rock is generated using electrohydraulic effect any in claim 7 to 9
It puts, which is characterized in that the high-field electrode is connect with the low-field electrode by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261708.0A CN108267053A (en) | 2018-03-28 | 2018-03-28 | A kind of mechanical device that plasma shot rock is generated using electrohydraulic effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261708.0A CN108267053A (en) | 2018-03-28 | 2018-03-28 | A kind of mechanical device that plasma shot rock is generated using electrohydraulic effect |
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| CN108267053A true CN108267053A (en) | 2018-07-10 |
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| CN201810261708.0A Pending CN108267053A (en) | 2018-03-28 | 2018-03-28 | A kind of mechanical device that plasma shot rock is generated using electrohydraulic effect |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982254A (en) * | 2018-08-07 | 2018-12-11 | 东北大学 | Study the experiment porch and experimental method of fragile material plasma explosion rupture process |
| CN109127063A (en) * | 2018-10-17 | 2019-01-04 | 北京市政路桥股份有限公司 | Hydraulic pre-tightening spalling electrode |
| CN109630020A (en) * | 2019-01-11 | 2019-04-16 | 中国石油大学(华东) | Multichannel high-low pressure composite plasma boring method |
| CN109737841A (en) * | 2019-01-09 | 2019-05-10 | 中国地质大学（北京） | A kind of orientable plasma broken rock device |
| CN111303840A (en) * | 2020-03-27 | 2020-06-19 | 青海大学 | Preparation method of inorganic hydrous salt phase-change material |
| CN111457801A (en) * | 2020-04-14 | 2020-07-28 | 西安闪光能源科技有限公司 | Secondary breaking method for stone blocks |
| CN112360472A (en) * | 2020-11-23 | 2021-02-12 | 浙江科技学院 | Two-sided symmetrical electric explosion energy-gathering rock breaking device |
| CN112359824A (en) * | 2020-11-04 | 2021-02-12 | 北京三一智造科技有限公司 | Rock-breaking pile foundation construction method |
| CN114152160A (en) * | 2021-12-16 | 2022-03-08 | 中国矿业大学 | Intra-hole directional stone breaking device adopting high-voltage electric pulses and construction method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982254A (en) * | 2018-08-07 | 2018-12-11 | 东北大学 | Study the experiment porch and experimental method of fragile material plasma explosion rupture process |
| CN109127063A (en) * | 2018-10-17 | 2019-01-04 | 北京市政路桥股份有限公司 | Hydraulic pre-tightening spalling electrode |
| CN109127063B (en) * | 2018-10-17 | 2023-09-05 | 北京市政路桥股份有限公司 | Hydraulic pre-tightening expansion electrode |
| CN109737841A (en) * | 2019-01-09 | 2019-05-10 | 中国地质大学（北京） | A kind of orientable plasma broken rock device |
| CN109630020A (en) * | 2019-01-11 | 2019-04-16 | 中国石油大学(华东) | Multichannel high-low pressure composite plasma boring method |
| US11293231B2 (en) | 2019-01-11 | 2022-04-05 | China University Of Petroleum (East China) | Multi-path combined high-low voltage plasma drilling method, drill bit for drilling and drill bit apparatus for drilling |
| CN111303840A (en) * | 2020-03-27 | 2020-06-19 | 青海大学 | Preparation method of inorganic hydrous salt phase-change material |
| CN111457801A (en) * | 2020-04-14 | 2020-07-28 | 西安闪光能源科技有限公司 | Secondary breaking method for stone blocks |
| CN112359824A (en) * | 2020-11-04 | 2021-02-12 | 北京三一智造科技有限公司 | Rock-breaking pile foundation construction method |
| CN112360472A (en) * | 2020-11-23 | 2021-02-12 | 浙江科技学院 | Two-sided symmetrical electric explosion energy-gathering rock breaking device |
| CN114152160A (en) * | 2021-12-16 | 2022-03-08 | 中国矿业大学 | Intra-hole directional stone breaking device adopting high-voltage electric pulses and construction method thereof |
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