CN110439586A - Non- blasting type mine laneway Water Cutting driving method - Google Patents
Non- blasting type mine laneway Water Cutting driving method Download PDFInfo
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- CN110439586A CN110439586A CN201910780805.5A CN201910780805A CN110439586A CN 110439586 A CN110439586 A CN 110439586A CN 201910780805 A CN201910780805 A CN 201910780805A CN 110439586 A CN110439586 A CN 110439586A
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- Prior art keywords
- cutting
- high pressure
- rock
- cut
- tunnelling
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/1066—Making by using boring or cutting machines with fluid jets
Abstract
The present disclosure provides a kind of non-blasting type mine laneway Water Cutting driving methods, it is set including tunnel profile, along laser profile wire cutting, the oblique cutting in tunnelling face, the fracture of tunnelling face Rock cutting, cross-cut again, the beveling of tunnelling noodles slate stone is broken, finally clears up fractured rock.The vibration using tunnel surrounding rock caused by mechanically direct act on tunnelling face is avoided, safety is higher;Rock is cut using the cutting machine of injection high pressure water flow, adapts to the cutting of different lithospheres, adaptability is stronger;No replacement is required cutter head, it is easy to maintain, it is time saving and energy saving, save production cost;To tunnelling rock mass into cross-cut, the rock mass volume of cutting is larger, and driving space is big, improves working efficiency.
Description
Technical field
The invention belongs to shaft production construction technique fields, relate generally to non-blasting type mine laneway Water Cutting driving side
Method.
Background technique
The excavation in tunnel, but these modes are carried out frequently with the mode of mechanical excavation or explosion in mine laneway construction
The vibration that will cause tunnel surrounding rock excavates tunnel and has an adverse effect, chemically fragmenting agent static(al) broken rock method, and static(al) is broken
Broken dose of use scope has certain limitation, and compared with explosive, energy is big not as good as explosive, drills more, crushing effect by temperature and
Construction personnel's experience is affected;Hydraulic splitting machine static(al) broken rock method, splitting area is smaller, requires height to the flintiness of rock,
Rock is harder, and pull resistance is more fragile, and splitting effect is better, drops the efficiency of digging laneway because formation hardness is uneven
It is low;Tunnel mills the construction of digging method, and the scope of application is relatively small, and tunnel higher for Surrounding Rock Strength, drivage efficiency is low or can not dig
Into, stone head driving, the cost is relatively high, and when driving can generate certain dust.
At present there are also drilling fractured rock formation tunnel face is carried out using water drilling machine, this mode is harder due to Rock
Firmly, it will cause brick serious wear and can not drill, it is therefore desirable to replace a large amount of drill bits, increase tunnel excavating cost, and bore
The core needs that head drills through take out from drill bit, time-consuming and laborious, and investment manpower and material resources are handed over greatly, seriously affect excavation timeliness;And
It can be influenced that detonation can be generated by gas accumulation in mine in coal mine operation, especially the drill bit of water drilling machine is in coal petrography
The rotation of high number, if watering is not in time or drill bit will occur situation not in place and hard coal rock frictional test generates spark,
If assembling a large amount of gas will fire moment, risk is high.
Therefore, be badly in need of it is a kind of it is easy, stable, laborsaving, without explosion destructive power and without coal petrography friction spark generate tunnel dig
Pick mode promotes tunnel excacation efficiency.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of non-blasting type mine laneway water
Driving method is cut, projects laser wheel profile at mine laneway development end edge, the high pressure water flow sprayed with water cutting machine is along sharp
Halo profile is slowly cut, and then in the oblique cutting in tunnelling face, then intersects oblique cutting, and cutting rock rupture edge is caused to cut
Face slides, and the working efficiency that cutting mode easy, stable, laborsaving, without explosion destructive power excavates tunnel gets a promotion.
To achieve the above object, the technical solution used in the present invention is:
Non- blasting type mine laneway Water Cutting driving method, includes the following steps:
The first step, the setting of tunnel profile: mine laneway center line sets up laser projection device, and in mine laneway development end
On project the arch laser wheel profile in tunnel;
Second step sets up high pressure waterjet machinery arm: Multi-shaft mechanical arm being arranged on mine laneway middle line, and is set to laser
The rear of grenade instrumentation, the fixture of Multi-shaft mechanical arm clamp high pressure waterjet head, and high pressure waterjet head passes through piping connection high pressure
Supply equipment;
Third step chooses development end high pressure water flow incidence point: the high pressure waterjet head of remote manual control Multi-shaft mechanical arm clamping
Selection is incident upon some line point on the laser wheel profile in tunnelling face and is used as injection high pressure water flow incidence point;
4th step, along laser profile wire cutting: the high pressure waterjet head of remote manual control Multi-shaft mechanical arm clamping is along laser wheel
Profile slowly moves, and high pressure waterjet head sprays high pressure water flow by incidence point along laser profile wire cutting, makes high pressure waterjet head
The high pressure water flow of injection can be cut in rock mass by tunnelling face it is deeper, cutting depth be 1.5~2 meters;
5th step, the oblique cutting in tunnelling face: after completing profile cut, the water knife of remote manual control Multi-shaft mechanical arm clamping
Cutting head favours tunnelling face and carries out the oblique cutting of high pressure water flow injection progress, and injection water enters with tunnelling face
Angle tilt is penetrated in 25 °~45 ° angle shapes, high pressure waterjet head is along the longitudinal layer-by-layer inclined cut in tunnelling face;
6th step, cut surface intersect rock fracture: the tangent line of the oblique cutting of high pressure waterjet head and tunnel profile tangent line phase
It hands over, the rock fracture of intersection, because high pressure waterjet head is along the layer-by-layer inclined cut in tunnelling face, the rock of fracture is in a plate
It overlaps together;
7th step, the beveling of batten rock are broken: high pressure waterjet head laterally chamfers batten rock, the cutting with batten rock
Face forms cross-cut, and batten rock is crushed along cut surface after being cut off and slides;
8th step clears up fractured rock.
When the oblique cutting in the tunnelling face there are two types of cutting mode, one is along tunnelling face from the bottom to top
Layer-by-layer oblique cutting, another kind are along the layer-by-layer oblique cutting along tunnelling face from top to bottom.
There are two types of the oblique cutting modes of batten rock, and one is lateral bevelings from the bottom to top to cut, another kind be by
Lateral beveling under is cut.
Longitudinal successively oblique cut in the tunnelling face submits fork cutting, and the development end after cutting with profile wire cutting
The oblique cut surface of several layers is formed on rock mass, thus forms a slabby rock between the symmetrical and parallel cut surface of two inclinations.
The tunnel profile wire cutting, the oblique cutting in tunnelling face and the oblique cutting of tunnelling noodles slate stone are being cut
It is slowly cut when cutting to extend and cut depth depth.
The invention has the advantages that:
1, the vibration using tunnel surrounding rock caused by mechanically direct act on tunnelling face is avoided, while
Excavating equipment is prevented and ore produces the case where friction generates spark actuation gas, safety is higher;
2, cutting rock adapts to the cutting of different lithospheres, adaptability is stronger using the cutting machine of injection high pressure water flow;
3, no replacement is required cutter head, it is easy to maintain, it is time saving and energy saving, save production cost;
4, to tunnelling rock mass into cross-cut, the rock mass volume of cutting is larger, and driving space is big, improves work effect
Rate.
Detailed description of the invention
Fig. 1 is that tunnel outline projection of the present invention sets schematic diagram;
Fig. 2 is the oblique cutting schematic diagram in tunnelling face of the present invention;
Fig. 3 is tunnelling face of the present invention oblique cutting and the tangent schematic diagram of batten rock again;
Fig. 4 is that tunnelling body cut surface of the present invention intersects rock fracture schematic diagram.
Contour line cut surface 1, the oblique cut surface 2 in tunnelling face, the oblique cutting of contour line cut surface and tunnelling face
Face cross-cut is selected 3, the oblique cut surface 4 of tunnelling noodles slate stone, the oblique cut surface in tunnelling face and batten rock and is handed over
Fork cut point 5, tunnelling face 6, the oblique cutting high pressure water flow incidence angle 7 in tunnelling face, tunnelling noodles slate stone are oblique
To cutting high pressure water flow incidence angle 8, arch laser wheel profile 10, laser projection device 11, profile cut line 12, tunnelling face
Oblique cutting line 13, batten rock 14, Multi-shaft mechanical arm 15, high pressure waterjet head 150, high-pressure water supply device 151, tunnelling
Rock mass 61, batten rock mass rubble 62.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing and specific implementation
Mode, the present invention will be described in further detail, it should be understood that the specific embodiments described herein are only to explain this
Invention, is not intended to limit the present invention.
Non- blasting type mine laneway Water Cutting driving method, includes the following steps:
The first step, the setting of tunnel profile: as shown in Figure 1, mine laneway center line sets up laser projection device 11, and in mine
The arch laser wheel profile in tunnel is projected in roadway road development end;
Second step sets up high pressure waterjet machinery arm: as shown in Figure 1, Multi-shaft mechanical arm 15 is set on mine laneway middle line,
And it is set to the rear of laser projection device 11, the fixture of Multi-shaft mechanical arm 15 clamps high pressure waterjet head 150, water-jet cutting machine
First 150 pass through piping connection high-pressure water supply device 151;
Third step chooses development end high pressure water flow incidence point: the water-jet cutting machine that remote manual control Multi-shaft mechanical arm 15 clamps
First 150 slowly move along laser wheel profile, and choose and be incident upon some line point on the arch laser wheel profile 10 in tunnelling face
The high pressure water flow incidence point sprayed as high pressure waterjet head 150;
4th step, along laser profile wire cutting: high pressure waterjet head 150 sprays high pressure water flow by incidence point along laser profile
Wire cutting, high pressure waterjet head 150 is slowly moved along laser wheel profile when cutting, the high pressure for spraying high pressure waterjet head 150
Water flow can be injected deeper on tunnelling face, cutting it is deeper, cutting depth be 1.5~2 meters;
5th step, the oblique cutting in tunnelling face: as shown in Figure 2, after completing profile cut, high pressure waterjet head 150 inclines
High pressure water flow injection tiltedly is carried out in tunnelling face, the inclination of incidence angle 7 in injection water and tunnelling face is in 25 °~45 ° folders
Horn shape forms the oblique cut surface 2 in tunnelling face, and the oblique cutting line 13 in several tunnelling faces is perpendicular to profile cut line
12。
6th step, cut surface intersect rock fracture: as shown in Figure 3, the section of the oblique cutting of high pressure waterjet head 150 and water
The profile section intersection of jet cutting machine cutting, forms contour line cut surface and the oblique cut surface cross-cut point 3 in tunnelling face,
The rock fracture of intersection, the rock of fracture are in a plate, are batten rock 14;
7th step, the beveling of batten rock are broken: as shown in Figure 4, using the oblique cutting batten of high pressure waterjet head 150 again
Rock 14, formed the oblique cutting high pressure water flow incidence angle 8 of tunnelling noodles slate stone, and with 14 cross-cut of batten rock,
The oblique cut surface in tunnelling face and batten rock cross-cut point 5 are formed, since there are cut for the oblique cutting rock of high pressure water flow
Slot gap forms cut surface, and batten rock is crushed along cut surface after being cut off and slides;
9th step, the fragmentation fall of rocks after cutting then clear up fractured rock, and the space after clearing up rubble is tunnel
Space.
When the oblique cutting in the tunnelling face there are two types of cutting mode, one is along tunnelling face from the bottom to top
Layer-by-layer oblique cutting, another kind are along the layer-by-layer oblique cutting along tunnelling face from top to bottom.
There are two types of the oblique cutting modes of batten rock, and one is lateral bevelings from the bottom to top to cut, another kind be by
Lateral beveling under is cut.
Longitudinal successively oblique cut in the tunnelling face submits fork cutting, and the development end after cutting with profile wire cutting
The oblique cut surface of several layers is formed on rock mass, thus forms a slabby rock between the symmetrical and parallel cut surface of two inclinations.
The tunnel profile wire cutting, the oblique cutting in tunnelling face and the oblique cutting of tunnelling noodles slate stone are being cut
It is slowly cut when cutting to extend and cut depth depth, the thickness that high pressure waterjet head 150 cuts coal rock can be as needed
The spray head of 150 different-diameter of jet cutting machine head is replaced, jet diameters range 5mm~20mm is replaced, due to the water of injection
The big speed of flowing pressure is fast, and therefore, the cutting face thickness of coal rock is all larger than the high pressure water flow diameter of injection.
Since the coal bed texture that mine laneway is tunneled is complicated, there is relatively large coal ore, also there is smaller or soft coal
Ore, but the high pressure water flow that high pressure waterjet head is sprayed is not influenced by ore structures, is capable of the cutting rock of continuous and effective
Body.
This driving method avoids the vibration using tunnel surrounding rock caused by mechanically direct act on tunnelling face
It is dynamic, while also having prevented excavating equipment and having produced the case where friction generates spark actuation gas with ore, safety is higher;Cut rock
Using the cutting machine of injection high pressure water flow, the cutting of different lithospheres is adapted to, adaptability is stronger;No replacement is required cutter head, maintenance side
Just, time saving and energy saving, save production cost;To tunnelling rock mass into cross-cut, the rock mass volume of cutting is larger, tunnels space
Greatly, working efficiency is improved.
Description of the invention and application are all only illustrative and exemplary, are not intended to limit the scope of the invention
In the above-described embodiments.The deformation and change of embodiments disclosed herein be it is entirely possible, for those this fields
For those of ordinary skill, the replacement of embodiment and equivalent various parts are well known.Those skilled in the art also answer
Should it is clear that without departing from the spirit or essential characteristics of the invention, the present invention can in other forms, structure,
Arrangement, ratio, and realized with other components, material and component, and the case where not departing from scope and spirit of the present invention
Under, other deformations and change can be carried out to embodiments disclosed herein.
Claims (5)
1. non-blasting type mine laneway Water Cutting driving method, characterized by the following steps:
Non- blasting type mine laneway Water Cutting driving method, includes the following steps:
The first step, the setting of tunnel profile: mine laneway center line sets up laser projection device 11, and in mine laneway development end
Project the arch laser wheel profile in tunnel;
Second step sets up high pressure waterjet machinery arm: Multi-shaft mechanical arm 15 being arranged on mine laneway middle line, and is set to laser throwing
The fixture at the rear of injection device 11, Multi-shaft mechanical arm 15 clamps high pressure waterjet head 150, and high pressure waterjet head 150 passes through pipeline
Connect high-pressure water supply device 151;
Third step chooses development end high pressure water flow incidence point: the high pressure waterjet head 150 that remote manual control Multi-shaft mechanical arm 15 clamps
Selection is incident upon some line point on the laser wheel profile in tunnelling face and is used as injection high pressure water flow incidence point;
4th step, along laser profile wire cutting: the high pressure waterjet head 150 of remote manual control Multi-shaft mechanical arm clamping is along laser profile
Line slowly moves, and high pressure waterjet head sprays high pressure water flow by incidence point along laser profile wire cutting, sprays high pressure waterjet head
The high pressure water flow penetrated can be cut in rock mass by tunnelling face it is deeper, cutting depth be 1.5~2 meters;
5th step, the oblique cutting in tunnelling face: after completing profile cut, the water knife that remote manual control Multi-shaft mechanical arm 15 clamps is cut
Cutting mill head 150 favours tunnelling face and carries out the oblique cutting of high pressure water flow injection progress, injection water and tunnelling face
Incident angle inclination is in 25 °~45 ° angle shapes, and high pressure waterjet head 150 is along the longitudinal layer-by-layer inclined cut in tunnelling face;
6th step, cut surface intersect rock fracture: the tangent line of the oblique cutting of high pressure waterjet head 150 and tunnel profile tangent line phase
It hands over, the rock fracture of intersection, because high pressure waterjet head 150 is along the layer-by-layer inclined cut in tunnelling face, the rock of fracture is in item
Plate overlaps together;
7th step, the beveling of batten rock are broken: high pressure waterjet head 150 laterally chamfers batten rock, the cutting with batten rock
Face forms cross-cut, and batten rock is crushed along cut surface after being cut off and slides;
8th step clears up fractured rock.
2. non-blasting type mine laneway Water Cutting driving method according to claim 1, it is characterised in that: the tunnel pick
There are two types of cutting modes when cutting oblique into face, and the layer-by-layer oblique cutting one is edge along tunnelling face from the bottom to top is another
Kind is along the layer-by-layer oblique cutting along tunnelling face from top to bottom.
3. non-blasting type mine laneway Water Cutting driving method according to claim 1, it is characterised in that: described slate
There are two types of the oblique cutting modes of stone, and one is lateral bevelings from the bottom to top to cut, and another kind is that lateral chamfer from top to bottom is cut.
4. non-blasting type mine laneway Water Cutting driving method according to claim 1, it is characterised in that: the tunnel pick
Fork cutting is submitted with profile wire cutting into longitudinal successively oblique cut in face, and it is oblique that several layers are formed on the development end rock mass after cutting
To cut surface, a slabby rock thus is formed between the symmetrical and parallel cut surface of two inclinations.
5. non-blasting type mine laneway Water Cutting driving method according to claim 1, it is characterised in that: the tunnel wheel
Profile cutting, the oblique cutting in tunnelling face and the oblique cutting of tunnelling noodles slate stone are slowly cut in cutting to prolong
Cutting depth depth is stretched, the thickness that high pressure waterjet head cuts rock as needed carries out more the water knife spray head of different-diameter
It changes.
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CN201910780805.5A CN110439586B (en) | 2019-08-22 | 2019-08-22 | Non-blasting type mine roadway water cutting tunneling method |
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CN201910780805.5A CN110439586B (en) | 2019-08-22 | 2019-08-22 | Non-blasting type mine roadway water cutting tunneling method |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112065423A (en) * | 2020-08-13 | 2020-12-11 | 中国地质大学(武汉) | Full-section laser tunneling method and system for polygonal-prism-shaped net-shaped oblique cutting |
CN112096409A (en) * | 2020-08-13 | 2020-12-18 | 中国地质大学(武汉) | Full-section laser tunneling process method with laser curvilinear motion |
CN112145176A (en) * | 2020-08-13 | 2020-12-29 | 中国地质大学(武汉) | Square wave type cutting process method for enlarging kerf width by laser cutting rock soil |
CN113107514A (en) * | 2021-04-15 | 2021-07-13 | 中铁工程装备集团有限公司 | Free-section tunnel boring machine |
CN113153336A (en) * | 2021-02-01 | 2021-07-23 | 重庆大学 | High-pressure abrasive water jet tunneling method |
CN113431595A (en) * | 2021-07-02 | 2021-09-24 | 中铁高新工业股份有限公司 | Construction method of non-blasting chain saw cutting machine |
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CN112065423A (en) * | 2020-08-13 | 2020-12-11 | 中国地质大学(武汉) | Full-section laser tunneling method and system for polygonal-prism-shaped net-shaped oblique cutting |
CN112096409A (en) * | 2020-08-13 | 2020-12-18 | 中国地质大学(武汉) | Full-section laser tunneling process method with laser curvilinear motion |
CN112145176A (en) * | 2020-08-13 | 2020-12-29 | 中国地质大学(武汉) | Square wave type cutting process method for enlarging kerf width by laser cutting rock soil |
CN112145176B (en) * | 2020-08-13 | 2022-03-11 | 中国地质大学(武汉) | Square wave type cutting process method for enlarging kerf width by laser cutting rock soil |
CN113153336A (en) * | 2021-02-01 | 2021-07-23 | 重庆大学 | High-pressure abrasive water jet tunneling method |
CN113153336B (en) * | 2021-02-01 | 2022-04-19 | 重庆大学 | High-pressure abrasive water jet tunneling method |
CN113107514A (en) * | 2021-04-15 | 2021-07-13 | 中铁工程装备集团有限公司 | Free-section tunnel boring machine |
CN113431595A (en) * | 2021-07-02 | 2021-09-24 | 中铁高新工业股份有限公司 | Construction method of non-blasting chain saw cutting machine |
CN113431595B (en) * | 2021-07-02 | 2022-08-23 | 中铁高新工业股份有限公司 | Construction method of non-blasting chain saw cutting machine |
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