CA3014355A1 - Rock drilling, swelling and chiselling integrated machine based on high-pressure foam medium - Google Patents
Rock drilling, swelling and chiselling integrated machine based on high-pressure foam medium Download PDFInfo
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- CA3014355A1 CA3014355A1 CA3014355A CA3014355A CA3014355A1 CA 3014355 A1 CA3014355 A1 CA 3014355A1 CA 3014355 A CA3014355 A CA 3014355A CA 3014355 A CA3014355 A CA 3014355A CA 3014355 A1 CA3014355 A1 CA 3014355A1
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- pressure foam
- swelling
- drill
- pressure
- conveying
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- 239000006260 foam Substances 0.000 title claims abstract description 147
- 239000011435 rock Substances 0.000 title claims abstract description 68
- 230000008961 swelling Effects 0.000 title claims abstract description 41
- 238000005553 drilling Methods 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000005336 cracking Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 235000019589 hardness Nutrition 0.000 abstract 1
- 230000005641 tunneling Effects 0.000 description 9
- 239000003245 coal Substances 0.000 description 7
- 238000005065 mining Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/025—Rock drills, i.e. jumbo drills
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
-
- 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
- E21B6/04—Separate drives for percussion and rotation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/04—Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole or a slit
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/12—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Abstract
Provided is a rock drilling, swelling and chiselling combined machine based on a high-pressure foam medium, which comprises: a mechanical device of the rock drilling, swelling and chiselling combined machine, a high-pressure foam generating and conveying system, and a hole-sealing device. The rock drilling, swelling and chiselling combined machine comprises a power device (1), an impact piston (21), an electric motor (17), a transmission gear group, an impact rotation drill bit (8), a drill rod (3), a drill hole sealing device (7), a high-pressure foam conveying chamber (4), the high-pressure foam generating and conveying system etc. The high-pressure foam generating and conveying system comprises a liquid pump (10), a gas pump (9), a liquid-gas mixer (11) and a supercharger (12), and can adjust a liquid-gas mixing ratio and convey pressure according to operating conditions of different rock hardnesses. The rock drilling, swelling and chiselling combined machine effectively solves the problems that the existing drilling-in rock drill has a low efficiency in the operations of drilling, sealing and swelling, and the process is complicated. The sealing and swelling errors caused by the drilling and sealing operations of the drilling-in rock drill on a working face are prevented, a continuous operation of the rock drilling, swelling and chiselling combined machine is achieved, and the operation efficiency of the drilling-in rock drill is effectively improved.
Description
ROCK DRILLING, SWELLING AND CHISELLING INTEGRATED
MACHINE BASED ON HIGH-PRESSURE FOAM MEDIUM
BACKGROUND OF THE INVENTION
TECHNICAL FIELD
The present invention belongs to the field of rock chiselling mechanical technologies, relates to a rock chiselling integrated machine, and in particular to, a rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium.
BACKGROUND
The Thirteenth Five-Year Plan of China proposes that it is needed to improve a proportion of non-fossil energy resources, and promote clean and efficient use of fossil energy resources such as coal, breakthroughs need to be obtained in basic theoretical researches and key technical problem resolving in safe development of coal resources in the deep part, environmental-friendly development of coal resources in the western region, clean and efficient use of coal, and the like; and a safe technical equipment level is greatly improved, and a progress in inspection on a hidden disaster-causing factor is obtained. However, in a coal mining process, mining proportion imbalance is always a main factor affecting a high yield and high efficiency of a coal mine in China. As underground space development and resource mining in China continuously develop toward the deep part, a rock hardness degree of a tunneling working face is continuously increased, a rock blasting frequency and strength are both obviously increased, and safe problems are increasingly prominent.
According to statistics, an amount of tunneling engineering of hard rock (f>10) roadways in only state owned coal mines is above 2000 km. In recent years, a tunneling proportion of hard rock roadways is continuously increased and has reached approximately 1:3.1. Therefore, how to implement safe and efficient construction of a hard rock (F>10) tunneling working face is a problem or a difficult problem that urgently needs to be resolved. A mechanized tunneling method is an advanced rock roadway tunneling technology, but has an excessively high unit energy consumption, serious drill bit wear, and poor machine reliability and adaptability in a hard rock tunneling process, and is not suitable for opening a hard rock roadway.
Currently, in hard rock roadway tunneling, a drilling and blasting method is mainly used, an instant blast is implemented by using dynamite, and its processes, such as rock breaking, waste stone exhausting, and shoring, need respective dedicated devices and are restricted by an operation space and a working face. It is difficult to implement simultaneous and continuous tunneling. In addition, surrounding rocks are severely damaged. A mechanization degree is low and severely affects an objective of safe and efficient production. Meanwhile, labor intensity of workers is high, and dust and construction noise of devices affect health of operation personnel.
SUMMARY OF THE INVENTION
Technical problems: Objectives of the present invention are overcoming disadvantages existing in the prior art, and providing a rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium that integrates rock chiselling, swelling, and cracking, that saves time and labor, and that is efficient and safe.
Technical solutions: The present invention provides a rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium, including a power apparatus, a drill pipe, a drill bit, a gear driving mechanism, and an impact piston, where: an interior of the drill pipe is provided with a central hole in communication with the drill bit, the drill pipe is provided with a high-pressure foam conveying apparatus, the gear driving mechanism and the impact piston are disposed on a rear part of the high-pressure foam conveying apparatus, and a hole sealing apparatus is mounted in a clamping manner on a front part of the high-pressure foam conveying apparatus;
the high-pressure foam conveying apparatus includes impact drill left and right pipe shells and a connection pipe connected between the impact drill left and right pipe shells and forming a high-pressure foam conveying chamber, where a high-pressure foam conveying piston sleeved on the drill pipe is disposed inside the connection pipe, the impact drill left and right pipe shells are respectively provided with impact drill left and right pipe shell flow channels, outlets of the impact drill left and right pipe shell flow channels are in communication with a high-pressure foam
MACHINE BASED ON HIGH-PRESSURE FOAM MEDIUM
BACKGROUND OF THE INVENTION
TECHNICAL FIELD
The present invention belongs to the field of rock chiselling mechanical technologies, relates to a rock chiselling integrated machine, and in particular to, a rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium.
BACKGROUND
The Thirteenth Five-Year Plan of China proposes that it is needed to improve a proportion of non-fossil energy resources, and promote clean and efficient use of fossil energy resources such as coal, breakthroughs need to be obtained in basic theoretical researches and key technical problem resolving in safe development of coal resources in the deep part, environmental-friendly development of coal resources in the western region, clean and efficient use of coal, and the like; and a safe technical equipment level is greatly improved, and a progress in inspection on a hidden disaster-causing factor is obtained. However, in a coal mining process, mining proportion imbalance is always a main factor affecting a high yield and high efficiency of a coal mine in China. As underground space development and resource mining in China continuously develop toward the deep part, a rock hardness degree of a tunneling working face is continuously increased, a rock blasting frequency and strength are both obviously increased, and safe problems are increasingly prominent.
According to statistics, an amount of tunneling engineering of hard rock (f>10) roadways in only state owned coal mines is above 2000 km. In recent years, a tunneling proportion of hard rock roadways is continuously increased and has reached approximately 1:3.1. Therefore, how to implement safe and efficient construction of a hard rock (F>10) tunneling working face is a problem or a difficult problem that urgently needs to be resolved. A mechanized tunneling method is an advanced rock roadway tunneling technology, but has an excessively high unit energy consumption, serious drill bit wear, and poor machine reliability and adaptability in a hard rock tunneling process, and is not suitable for opening a hard rock roadway.
Currently, in hard rock roadway tunneling, a drilling and blasting method is mainly used, an instant blast is implemented by using dynamite, and its processes, such as rock breaking, waste stone exhausting, and shoring, need respective dedicated devices and are restricted by an operation space and a working face. It is difficult to implement simultaneous and continuous tunneling. In addition, surrounding rocks are severely damaged. A mechanization degree is low and severely affects an objective of safe and efficient production. Meanwhile, labor intensity of workers is high, and dust and construction noise of devices affect health of operation personnel.
SUMMARY OF THE INVENTION
Technical problems: Objectives of the present invention are overcoming disadvantages existing in the prior art, and providing a rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium that integrates rock chiselling, swelling, and cracking, that saves time and labor, and that is efficient and safe.
Technical solutions: The present invention provides a rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium, including a power apparatus, a drill pipe, a drill bit, a gear driving mechanism, and an impact piston, where: an interior of the drill pipe is provided with a central hole in communication with the drill bit, the drill pipe is provided with a high-pressure foam conveying apparatus, the gear driving mechanism and the impact piston are disposed on a rear part of the high-pressure foam conveying apparatus, and a hole sealing apparatus is mounted in a clamping manner on a front part of the high-pressure foam conveying apparatus;
the high-pressure foam conveying apparatus includes impact drill left and right pipe shells and a connection pipe connected between the impact drill left and right pipe shells and forming a high-pressure foam conveying chamber, where a high-pressure foam conveying piston sleeved on the drill pipe is disposed inside the connection pipe, the impact drill left and right pipe shells are respectively provided with impact drill left and right pipe shell flow channels, outlets of the impact drill left and right pipe shell flow channels are in communication with a high-pressure foam
2 generating and conveying system, and the drill pipe proximal to a side of the right shell is provided with a high-pressure foam conveying reserved hole;
the high-pressure foam generating and conveying system includes a one-way valve, a pressurizer, a mixer, a gas pump, and an electromagnetic reversing valve that are sequentially connected by using a foam conveying pipeline, and a liquid pump is disposed on the mixer; and the hole sealing apparatus includes a left fastener and a right fastener that are fastened on the drill pipe in a spaced manner and that are two opposite semi-cylinders, a steel wire expansion rubber tube is sleeved between the left fastener and the right fastener and the drill pipe, and the drill pipe between the left fastener and the right fastener is provided with a plurality of sealing reserved holes in communication with an inner hole of the drill pipe.
An outer diameter of the high-pressure foam conveying piston is provided with a high-pressure foam conveying piston shaft seal ring sealing an inner wall of the connection pipe, and an inner diameter is provided with a high-pressure foam conveying piston hole seal ring sealing the drill pipe.
There are 2 to 4 high-pressure foam conveying reserved holes annularly arranged.
There is a plurality of groups of sealing reserved holes disposed in a spaced manner, and each group includes 2 to 4 holes annularly arranged.
A rock drilling, swelling and chiselling method of the foregoing rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium includes the following steps:
a. during rock drilling, swelling, and chiselling, starting a power apparatus, where the power apparatus actuates an impact piston to reciprocate at a high speed, to enable the impact piston to impact a drill pipe to implement impact movement of the drill pipe, meanwhile, a motor actuates a gear driving mechanism to move, a small gear in the gear driving mechanism drives a large gear, actuates the drill pipe to rotate, and drives the large gear to connect in a fitting manner to the drill pipe through a spline, to implement a rotation process of the drill pipe 3, and under the combined action of impact and rotation, the rock drilling, swelling and chiselling integrated machine drills a hole in a rock;
the high-pressure foam generating and conveying system includes a one-way valve, a pressurizer, a mixer, a gas pump, and an electromagnetic reversing valve that are sequentially connected by using a foam conveying pipeline, and a liquid pump is disposed on the mixer; and the hole sealing apparatus includes a left fastener and a right fastener that are fastened on the drill pipe in a spaced manner and that are two opposite semi-cylinders, a steel wire expansion rubber tube is sleeved between the left fastener and the right fastener and the drill pipe, and the drill pipe between the left fastener and the right fastener is provided with a plurality of sealing reserved holes in communication with an inner hole of the drill pipe.
An outer diameter of the high-pressure foam conveying piston is provided with a high-pressure foam conveying piston shaft seal ring sealing an inner wall of the connection pipe, and an inner diameter is provided with a high-pressure foam conveying piston hole seal ring sealing the drill pipe.
There are 2 to 4 high-pressure foam conveying reserved holes annularly arranged.
There is a plurality of groups of sealing reserved holes disposed in a spaced manner, and each group includes 2 to 4 holes annularly arranged.
A rock drilling, swelling and chiselling method of the foregoing rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium includes the following steps:
a. during rock drilling, swelling, and chiselling, starting a power apparatus, where the power apparatus actuates an impact piston to reciprocate at a high speed, to enable the impact piston to impact a drill pipe to implement impact movement of the drill pipe, meanwhile, a motor actuates a gear driving mechanism to move, a small gear in the gear driving mechanism drives a large gear, actuates the drill pipe to rotate, and drives the large gear to connect in a fitting manner to the drill pipe through a spline, to implement a rotation process of the drill pipe 3, and under the combined action of impact and rotation, the rock drilling, swelling and chiselling integrated machine drills a hole in a rock;
3 b. after the hole is completely drilled, conveying a gas and a liquid respectively through a gas pump and a liquid pump to a mixer to mix them, and after pressurization is performed by using a pressurizer, generating high-pressure foam used for swelling and cracking the rock;
c. opening electromagnetic reversing valve, where the gas pump conveys the gas along a left shell flow channel to a left-side chamber of the high-pressure foam conveying chamber, to push a high-pressure foam piston to move to the right, and after the high-pressure foam piston moves to the right side of the high-pressure foam conveying chamber, the electromagnetic reversing valve is closed;
d. conveying the high-pressure foam through a conveying pipeline to a right shell flow channel, to enter the high-pressure foam conveying chamber, where the high-pressure foam conveying piston moves to the left under the action of the high-pressure foam, the high-pressure foam enters a central hole of the drill pipe from a high-pressure foam conveying reserved hole of the drill pipe and moves to a drill bit along the central hole of the drill pipe, and in the moving process of the high-pressure foam in the central hole of the drill pipe, a part of the high-pressure foam flows out from a sealing reserved hole and forms an extrusion action on a steel wire expansion rubber tube of a hole sealing apparatus, after expansion, the extruded steel wire expansion rubber tube is tightly close to a wall of the drill hole, to achieve a sealing effect, and the other part of the high-pressure foam flows from a head aperture of the drill bit to the bottom of the hole; and e. continuously injecting the high-pressure foam, so that the high-pressure foam concentrates at the bottom of the hole to form a high-pressure sealed area, and the rock is swelled and cracked under the action of the high-pressure foam, where after the rock is swelled and cracked, the right side of the high-pressure foam conveying chamber changes from a high-pressure area to a low-pressure area, and at this time, the left side of the high-pressure foam conveying chamber changes from a low-pressure area to a high-pressure area, the high-pressure foam piston is pushed to an initial position, and one swelling and cracking period ends.
The gas pump and the liquid pump respectively convey different gases and different liquids, and a ratio of the different gases to the different liquid is 3:1.
Beneficial effects: Because the foregoing technical solutions are used, the rock
c. opening electromagnetic reversing valve, where the gas pump conveys the gas along a left shell flow channel to a left-side chamber of the high-pressure foam conveying chamber, to push a high-pressure foam piston to move to the right, and after the high-pressure foam piston moves to the right side of the high-pressure foam conveying chamber, the electromagnetic reversing valve is closed;
d. conveying the high-pressure foam through a conveying pipeline to a right shell flow channel, to enter the high-pressure foam conveying chamber, where the high-pressure foam conveying piston moves to the left under the action of the high-pressure foam, the high-pressure foam enters a central hole of the drill pipe from a high-pressure foam conveying reserved hole of the drill pipe and moves to a drill bit along the central hole of the drill pipe, and in the moving process of the high-pressure foam in the central hole of the drill pipe, a part of the high-pressure foam flows out from a sealing reserved hole and forms an extrusion action on a steel wire expansion rubber tube of a hole sealing apparatus, after expansion, the extruded steel wire expansion rubber tube is tightly close to a wall of the drill hole, to achieve a sealing effect, and the other part of the high-pressure foam flows from a head aperture of the drill bit to the bottom of the hole; and e. continuously injecting the high-pressure foam, so that the high-pressure foam concentrates at the bottom of the hole to form a high-pressure sealed area, and the rock is swelled and cracked under the action of the high-pressure foam, where after the rock is swelled and cracked, the right side of the high-pressure foam conveying chamber changes from a high-pressure area to a low-pressure area, and at this time, the left side of the high-pressure foam conveying chamber changes from a low-pressure area to a high-pressure area, the high-pressure foam piston is pushed to an initial position, and one swelling and cracking period ends.
The gas pump and the liquid pump respectively convey different gases and different liquids, and a ratio of the different gases to the different liquid is 3:1.
Beneficial effects: Because the foregoing technical solutions are used, the rock
4 drilling, swelling and chiselling integrated machine based on high-pressure foam medium provided by the present invention integrates rock chiselling, swelling, and cracking, utilizes a rock chiselling machine to open a hole to form a free face, expands, by means of a fracturing action of the high-pressure foam, internal fissures of rocks, reduces mechanical performance of the rocks, and cracks the rocks, and not only has features of improving opening efficiency of a hard rock roadway and reducing labor intensity of workers, but also has features such as improving safety of a working environment. Continuous drilling and swelling operation of a drilling rock chiselling machine can be implemented, a working time of hole drilling, hole sealing, swelling, and cracking of the drilling rock chiselling machine is greatly reduced, working efficiency of the drilling rock chiselling machine is efficiently improved, opening efficiency of a hard rock roadway and safety of a working environment are improved, and labor intensity of workers is reduced. The machine has a simple structure, convenient operation, and a good use effect, and is widely applicable.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a half-sectional view of a high-pressure foam conveying chamber in the present invention;
FIG. 3 is a partially enlarged view of a high-pressure foam conveying piston sealing structure in the present invention; and FIG. 4 is a half-sectional view of a hole sealing apparatus in the present invention.
In the figures: 1-power apparatus; 2-impact drill pipe left shell; 2-1-left shell flow channel; 3-drill pipe; 3-1-high-pressure foam conveying reserved hole; 3-2-sealing reserved hole; 4-high-pressure foam conveying chamber; 5-high-pressure foam conveying piston; 5-1-high-pressure foam conveying piston shaft seal ring;
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a half-sectional view of a high-pressure foam conveying chamber in the present invention;
FIG. 3 is a partially enlarged view of a high-pressure foam conveying piston sealing structure in the present invention; and FIG. 4 is a half-sectional view of a hole sealing apparatus in the present invention.
In the figures: 1-power apparatus; 2-impact drill pipe left shell; 2-1-left shell flow channel; 3-drill pipe; 3-1-high-pressure foam conveying reserved hole; 3-2-sealing reserved hole; 4-high-pressure foam conveying chamber; 5-high-pressure foam conveying piston; 5-1-high-pressure foam conveying piston shaft seal ring;
5-2-high-pressure foam conveying piston hole seal ring; 6-impact drill pipe right shell;
6-1-right shell flow channel; 7-hole sealing apparatus; 7-1-left fastener; 7-2-steel wire expansion rubber tube; 7-3-right fastener; 7-4-fastener fitting bolt hole; 7-5-drill bit tail sealing fastener end seal ring; 8-drill bit; 9-gas pump; 10-liquid pump;
11-mixer;
12-pressurizer; 13-one-way valve; 14-high-pressure foam conveying pipeline;
15-high-strength bolt; 16-electromagnetic reversing valve; 17-motor; 18-motor output shaft; 19-driving small gear; 20-driving large gear; 21-impact piston.
DETAILED DESCRIPTION OF THE INVENTION
The present invention is further described below with reference to embodiments in the accompanying drawings.
As shown in FIG. 1, FIG. 2, and FIG. 3, the present invention provides a rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium, including a power apparatus 1, a drill pipe 3, a drill bit 8, a gear driving mechanism, and an impact piston 21, where: an interior of the drill pipe 3 is provided with a central hole in communication with the drill bit 8, the drill pipe 3 is provided with a high-pressure foam conveying apparatus, the gear driving mechanism and the impact piston 21 are disposed on a rear part of the high-pressure foam conveying apparatus, and a hole sealing apparatus 7 is mounted in a clamping manner on a front part of the high-pressure foam conveying apparatus.
The power apparatus 1 includes a hydraulic pump, a cylinder, and a reversing valve, is connected to the impact piston 21 through a piston lead sleeve, and pushes the impact piston 21 to produce a high-speed reciprocating impact effect.
The gear driving mechanism includes a motor 17, a motor output shaft 18, a driving small gear 19 disposed on the motor output shaft 18, and a driving large gear 20 engaged with the driving small gear 19, where the driving large gear 20 is fixed on the drill pipe 3.
The drill pipe 3 is under the combined action of engagement and driving of the driving small gear 19 and the driving large gear 20 actuated by the impact piston 21 and the motor shaft 18. The impact piston 21 implements high-speed reciprocation under the action of the power apparatus 1 to push the drill pipe to produce an impact effect. The motor 17 actuates the gear driving mechanism, the large gear 19 fits the drill pipe through a spline, and the large gear 19 rotates to actuate the drill pipe 3 to implement rotation. A hole is drilled in an impacting manner on a rock whose working face is swelled and cracked by using high-pressure foam, to form a swelling and cracking pre-drilled hole of the high-pressure foam.
The high-pressure foam generating and conveying system includes a one-way valve 13, a pressurizer 12, a mixer 11, a gas pump 9, and an electromagnetic reversing valve 16 that are sequentially connected by using a foam conveying pipeline 14, and a liquid pump 10 is disposed on the mixer 11. Gas-liquid mixing of different proportions is implemented by adjusting conveying flow rates of the gas pump 9 and the liquid pump 10. A gas pump conveying pipeline, a liquid pump conveying pipeline, a pressurizer pipeline, and a high-pressure foam conveying pipeline to left and right shell flow channels 2-1 and 6-1 are all provided with a one-way valve. The gas pump 9 is separately to the mixer 11 and the left shell flow channel 2-1 through pipelines, the liquid pump 10 is connected to the mixer 11. After the gas pump 9 and the liquid pump 10 respectively convey a gas and a liquid to the mixer 11, and mixed foam is pressurized by using the pressurizer 12, the mixed foam is conveyed to the right shell flow channel 6-1.
The high-pressure foam conveying apparatus includes impact drill left and right pipe shells 2, 6 and a connection pipe connected between the impact drill left and right pipe shells 2, 6 and forming a high-pressure foam conveying chamber 4, where a high-pressure foam conveying piston 5 sleeved on the drill pipe 3 is disposed inside the connection pipe. An outer diameter of the high-pressure foam conveying piston 5 is provided with a high-pressure foam conveying piston shaft seal ring 5-1 sealing an inner wall of the connection pipe, and an inner diameter is provided with a high-pressure foam conveying piston hole seal ring 5-2 sealing the drill pipe 3. The impact drill left and right pipe shells 2, 6 are respectively provided with impact drill left and right pipe shell flow channels 2-1 and 6-1, outlets of the impact drill left and right pipe shell flow channels 2-1 and 6-1 are in communication with a high-pressure foam generating and conveying system, and the drill pipe 3 proximal to a side of the right shell is provided with a high-pressure foam conveying reserved hole 3-1.
There are 2 to 4 high-pressure foam conveying reserved holes 3-1 annularly arranged.
The connection pipe of the high-pressure foam conveying chamber 4 is connected to the impact drill pipe left shell 2 and the impact drill pipe right shell 6 through high-strength bolts 15. Under the action of the bolt 15, the impact drill pipe right shell is tightly close to a left-side machining protrusion of the drill pipe 3.
As shown in FIG. 4, the hole sealing apparatus 7 includes a left fastener 7-1 and a right fastener 7-3 that are fastened on the drill pipe 3 in a spaced manner and that are two opposite semi-cylinders used for sealing the bottom of a drill hole, the left
11-mixer;
12-pressurizer; 13-one-way valve; 14-high-pressure foam conveying pipeline;
15-high-strength bolt; 16-electromagnetic reversing valve; 17-motor; 18-motor output shaft; 19-driving small gear; 20-driving large gear; 21-impact piston.
DETAILED DESCRIPTION OF THE INVENTION
The present invention is further described below with reference to embodiments in the accompanying drawings.
As shown in FIG. 1, FIG. 2, and FIG. 3, the present invention provides a rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium, including a power apparatus 1, a drill pipe 3, a drill bit 8, a gear driving mechanism, and an impact piston 21, where: an interior of the drill pipe 3 is provided with a central hole in communication with the drill bit 8, the drill pipe 3 is provided with a high-pressure foam conveying apparatus, the gear driving mechanism and the impact piston 21 are disposed on a rear part of the high-pressure foam conveying apparatus, and a hole sealing apparatus 7 is mounted in a clamping manner on a front part of the high-pressure foam conveying apparatus.
The power apparatus 1 includes a hydraulic pump, a cylinder, and a reversing valve, is connected to the impact piston 21 through a piston lead sleeve, and pushes the impact piston 21 to produce a high-speed reciprocating impact effect.
The gear driving mechanism includes a motor 17, a motor output shaft 18, a driving small gear 19 disposed on the motor output shaft 18, and a driving large gear 20 engaged with the driving small gear 19, where the driving large gear 20 is fixed on the drill pipe 3.
The drill pipe 3 is under the combined action of engagement and driving of the driving small gear 19 and the driving large gear 20 actuated by the impact piston 21 and the motor shaft 18. The impact piston 21 implements high-speed reciprocation under the action of the power apparatus 1 to push the drill pipe to produce an impact effect. The motor 17 actuates the gear driving mechanism, the large gear 19 fits the drill pipe through a spline, and the large gear 19 rotates to actuate the drill pipe 3 to implement rotation. A hole is drilled in an impacting manner on a rock whose working face is swelled and cracked by using high-pressure foam, to form a swelling and cracking pre-drilled hole of the high-pressure foam.
The high-pressure foam generating and conveying system includes a one-way valve 13, a pressurizer 12, a mixer 11, a gas pump 9, and an electromagnetic reversing valve 16 that are sequentially connected by using a foam conveying pipeline 14, and a liquid pump 10 is disposed on the mixer 11. Gas-liquid mixing of different proportions is implemented by adjusting conveying flow rates of the gas pump 9 and the liquid pump 10. A gas pump conveying pipeline, a liquid pump conveying pipeline, a pressurizer pipeline, and a high-pressure foam conveying pipeline to left and right shell flow channels 2-1 and 6-1 are all provided with a one-way valve. The gas pump 9 is separately to the mixer 11 and the left shell flow channel 2-1 through pipelines, the liquid pump 10 is connected to the mixer 11. After the gas pump 9 and the liquid pump 10 respectively convey a gas and a liquid to the mixer 11, and mixed foam is pressurized by using the pressurizer 12, the mixed foam is conveyed to the right shell flow channel 6-1.
The high-pressure foam conveying apparatus includes impact drill left and right pipe shells 2, 6 and a connection pipe connected between the impact drill left and right pipe shells 2, 6 and forming a high-pressure foam conveying chamber 4, where a high-pressure foam conveying piston 5 sleeved on the drill pipe 3 is disposed inside the connection pipe. An outer diameter of the high-pressure foam conveying piston 5 is provided with a high-pressure foam conveying piston shaft seal ring 5-1 sealing an inner wall of the connection pipe, and an inner diameter is provided with a high-pressure foam conveying piston hole seal ring 5-2 sealing the drill pipe 3. The impact drill left and right pipe shells 2, 6 are respectively provided with impact drill left and right pipe shell flow channels 2-1 and 6-1, outlets of the impact drill left and right pipe shell flow channels 2-1 and 6-1 are in communication with a high-pressure foam generating and conveying system, and the drill pipe 3 proximal to a side of the right shell is provided with a high-pressure foam conveying reserved hole 3-1.
There are 2 to 4 high-pressure foam conveying reserved holes 3-1 annularly arranged.
The connection pipe of the high-pressure foam conveying chamber 4 is connected to the impact drill pipe left shell 2 and the impact drill pipe right shell 6 through high-strength bolts 15. Under the action of the bolt 15, the impact drill pipe right shell is tightly close to a left-side machining protrusion of the drill pipe 3.
As shown in FIG. 4, the hole sealing apparatus 7 includes a left fastener 7-1 and a right fastener 7-3 that are fastened on the drill pipe 3 in a spaced manner and that are two opposite semi-cylinders used for sealing the bottom of a drill hole, the left
7 fastener 7-1 and the right fastener 7-3 that are two opposite semi-cylinders are separately provided with a fastener fitting bolt hole. Two ends of the left fastener 7-1 and the right fastener 7-3 abutted against a groove of the drill pipe 3 are separately provided with a drill bit tail sealing fastener end seal ring 7-5. A steel wire expansion rubber tube 7-2 is sleeved between the left fastener 7-1 and right fastener 7-3 and the drill pipe 3, and the drill pipe 3 between the left fastener 7-1 and the right fastener 7-3 is provided with a plurality of sealing reserved holes 3-2 in communication with an inner hole of the drill pipe 3. There is a plurality of groups of sealing reserved holes 3-2 disposed in a spaced manner, and each group includes 2 to 4 holes annularly arranged.
The present invention provides a rock drilling, swelling, and chiselling method based on a high-pressure foam medium, including the following specific steps:
a. During rock drilling, swelling, and chiselling, start a power apparatus 1, where the power apparatus 1 actuates an impact piston 21 to reciprocate in a condition that an impact frequency is greater than or equal to 36 Hz, to enable the impact piston 21 to impact a drill pipe 3 to implement impact movement of the drill pipe, meanwhile, a motor 17 actuates a gear driving mechanism to move, a small gear 19 in the gear driving mechanism drives a large gear 20, actuates the drill pipe 3 to rotate, and drives the large gear 20 to connect in a fitting manner to the drill pipe 3 through a spline, to implement a rotation process of the drill pipe 3, and under the combined action of impact and rotation, the rock drilling, swelling and chiselling integrated machine drills a hole in a rock.
b. After the hole is completely drilled, convey a gas and a liquid respectively through a gas pump 9 and a liquid pump 10 to a mixer 11 to mix them, and after pressurization is performed by using a pressurizer 12, generate high-pressure foam used for swelling and cracking the rock. The gas pump 9 and the liquid pump 10 respectively convey a gas and a liquid whose gas to liquid ratio is 3:1, the gas and the liquid are respectively conveyed to the mixer 11 through one-way valves 13, and the conveyed gas and liquid generate low-pressure foam under the action of the mixer 11.
After the low-pressure foam is pressurized by the pressurizer 12, the foam flows into a high-pressure conveying chamber 4 through a flow channel opening 6-1 of a right shell 6. The gas to liquid ratio is a main factor affecting foam viscosity.
When the gas to liquid ratio is less than 1, the foam has relatively low viscosity. When the gas to
The present invention provides a rock drilling, swelling, and chiselling method based on a high-pressure foam medium, including the following specific steps:
a. During rock drilling, swelling, and chiselling, start a power apparatus 1, where the power apparatus 1 actuates an impact piston 21 to reciprocate in a condition that an impact frequency is greater than or equal to 36 Hz, to enable the impact piston 21 to impact a drill pipe 3 to implement impact movement of the drill pipe, meanwhile, a motor 17 actuates a gear driving mechanism to move, a small gear 19 in the gear driving mechanism drives a large gear 20, actuates the drill pipe 3 to rotate, and drives the large gear 20 to connect in a fitting manner to the drill pipe 3 through a spline, to implement a rotation process of the drill pipe 3, and under the combined action of impact and rotation, the rock drilling, swelling and chiselling integrated machine drills a hole in a rock.
b. After the hole is completely drilled, convey a gas and a liquid respectively through a gas pump 9 and a liquid pump 10 to a mixer 11 to mix them, and after pressurization is performed by using a pressurizer 12, generate high-pressure foam used for swelling and cracking the rock. The gas pump 9 and the liquid pump 10 respectively convey a gas and a liquid whose gas to liquid ratio is 3:1, the gas and the liquid are respectively conveyed to the mixer 11 through one-way valves 13, and the conveyed gas and liquid generate low-pressure foam under the action of the mixer 11.
After the low-pressure foam is pressurized by the pressurizer 12, the foam flows into a high-pressure conveying chamber 4 through a flow channel opening 6-1 of a right shell 6. The gas to liquid ratio is a main factor affecting foam viscosity.
When the gas to liquid ratio is less than 1, the foam has relatively low viscosity. When the gas to
8 liquid ratio is greater than 1, the foam viscosity increases as an amount of injected gas increases. Usually, the gas to liquid ratio is set to 3:1.
c. Open electromagnetic reversing valve 16, where the gas pump 9 conveys the gas along a left shell flow channel 2-1 to a left-side chamber of the high-pressure foam conveying chamber 4, to push a high-pressure foam piston 5 to move to the right, and after the high-pressure foam piston 5 moves to the right side of the high-pressure foam conveying chamber 4, the electromagnetic reversing valve 16 is closed.
d. Convey the high-pressure foam through a conveying pipeline 14 to a right shell flow channel 6-1, to enter the high-pressure foam conveying chamber 4 through a flow channel opening 6-1, where the high-pressure foam acts on a right end face of the high-pressure foam conveying piston 5 to push the high-pressure foam conveying piston 5 to move to the left, in a process in which the high-pressure foam conveying piston 5 moves to the left, the high-pressure foam enters a central hole of the drill pipe from a high-pressure foam conveying reserved hole 3-1 of the drill pipe 3 and moves to a drill bit 8 along the central hole of the drill pipe, and in the moving process of the high-pressure foam in the central hole of the drill pipe 3, a part of the high-pressure foam flows out from a sealing reserved hole 3-2 and forms an extrusion action on a steel wire expansion rubber tube 7-2 of a hole sealing apparatus 7, after expansion, the extruded steel wire expansion rubber tube 7-2 is tightly close to a wall of the drill hole, to achieve a sealing effect, and the other part of the high-pressure foam flows from a head aperture of the drill bit 8 to the bottom of the hole. The hole sealing apparatus 7 fastens the steel wire expansion rubber tube 7-2 to the drill pipe 2 by using the left fastener 7-1 and the right fastener 7-3 that are two opposite semi-cylinders, and the steel wire expansion rubber tube can be replaced after it malfunctions.
e. Continuously inject the high-pressure foam, where the high-pressure foam is conveyed the bottom of the pre-drilled hole of the drill bit 8 through a through hole of the drill pipe 3, so that the high-pressure foam concentrates at the bottom of the hole to form a high-pressure sealed area, and the rock is swelled and cracked under the action of the high-pressure foam, where after the rock is swelled and cracked, the right side of the high-pressure foam conveying chamber 4 changes from a high-pressure area to a low-pressure area, and at this time, the left side of the high-pressure foam conveying chamber 4 changes from a low-pressure area to a high-pressure area, the high-pressure foam piston 5 is pushed to an initial position,
c. Open electromagnetic reversing valve 16, where the gas pump 9 conveys the gas along a left shell flow channel 2-1 to a left-side chamber of the high-pressure foam conveying chamber 4, to push a high-pressure foam piston 5 to move to the right, and after the high-pressure foam piston 5 moves to the right side of the high-pressure foam conveying chamber 4, the electromagnetic reversing valve 16 is closed.
d. Convey the high-pressure foam through a conveying pipeline 14 to a right shell flow channel 6-1, to enter the high-pressure foam conveying chamber 4 through a flow channel opening 6-1, where the high-pressure foam acts on a right end face of the high-pressure foam conveying piston 5 to push the high-pressure foam conveying piston 5 to move to the left, in a process in which the high-pressure foam conveying piston 5 moves to the left, the high-pressure foam enters a central hole of the drill pipe from a high-pressure foam conveying reserved hole 3-1 of the drill pipe 3 and moves to a drill bit 8 along the central hole of the drill pipe, and in the moving process of the high-pressure foam in the central hole of the drill pipe 3, a part of the high-pressure foam flows out from a sealing reserved hole 3-2 and forms an extrusion action on a steel wire expansion rubber tube 7-2 of a hole sealing apparatus 7, after expansion, the extruded steel wire expansion rubber tube 7-2 is tightly close to a wall of the drill hole, to achieve a sealing effect, and the other part of the high-pressure foam flows from a head aperture of the drill bit 8 to the bottom of the hole. The hole sealing apparatus 7 fastens the steel wire expansion rubber tube 7-2 to the drill pipe 2 by using the left fastener 7-1 and the right fastener 7-3 that are two opposite semi-cylinders, and the steel wire expansion rubber tube can be replaced after it malfunctions.
e. Continuously inject the high-pressure foam, where the high-pressure foam is conveyed the bottom of the pre-drilled hole of the drill bit 8 through a through hole of the drill pipe 3, so that the high-pressure foam concentrates at the bottom of the hole to form a high-pressure sealed area, and the rock is swelled and cracked under the action of the high-pressure foam, where after the rock is swelled and cracked, the right side of the high-pressure foam conveying chamber 4 changes from a high-pressure area to a low-pressure area, and at this time, the left side of the high-pressure foam conveying chamber 4 changes from a low-pressure area to a high-pressure area, the high-pressure foam piston 5 is pushed to an initial position,
9 and one swelling and cracking period ends, so that continuity of fracturing of the high-pressure foam is achieved.
Claims (6)
1. A rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium, comprising a power apparatus (1), a drill pipe (3), a drill bit (8), a gear driving mechanism, and an impact piston (21), wherein: an interior of the drill pipe (3) is provided with a central hole in communication with the drill bit (8), the drill pipe (3) is provided with a high-pressure foam conveying apparatus, the gear driving mechanism and the impact piston (21) are disposed on a rear part of the high-pressure foam conveying apparatus, and a hole sealing apparatus (7) is mounted in a clamping manner on a front part of the high-pressure foam conveying apparatus;
the high-pressure foam conveying apparatus comprises impact drill left and right pipe shells (2, 6) and a connection pipe connected between the impact drill left and right pipe shells (2, 6) and forming a high-pressure foam conveying chamber (4), wherein a high-pressure foam conveying piston (5) sleeved on the drill pipe (3) is disposed inside the connection pipe, the impact drill left and right pipe shells (2, 6) are respectively provided with impact drill left and right pipe shell flow channels (2-1, 6-1), outlets of the impact drill left and right pipe shell flow channels (2-1, 6-1) are in communication with a high-pressure foam generating and conveying system, and the drill pipe (3) proximal to a side of the right shell is provided with a high-pressure foam conveying reserved hole (3-1);
the high-pressure foam generating and conveying system comprises a one-way valve (13), a pressurizer (12), a mixer (11), a gas pump (9), and an electromagnetic reversing valve (16) that are sequentially connected by using a foam conveying pipeline (14), and a liquid pump (10) is disposed on the mixer (11); and the hole sealing apparatus (7) comprises a left fastener (7-1) and a right fastener (7-3) that are fastened on the drill pipe (3) in a spaced manner and that are two opposite semi-cylinders, a steel wire expansion rubber tube (7-2) is sleeved between the left fastener (7-1) and the right fastener (7-3) and the drill pipe (3), and the drill pipe (3) between the left fastener (7-1) and the right fastener (7-3) is provided with a plurality of sealing reserved holes (3-2) in communication with an inner hole of the drill pipe (3).
the high-pressure foam conveying apparatus comprises impact drill left and right pipe shells (2, 6) and a connection pipe connected between the impact drill left and right pipe shells (2, 6) and forming a high-pressure foam conveying chamber (4), wherein a high-pressure foam conveying piston (5) sleeved on the drill pipe (3) is disposed inside the connection pipe, the impact drill left and right pipe shells (2, 6) are respectively provided with impact drill left and right pipe shell flow channels (2-1, 6-1), outlets of the impact drill left and right pipe shell flow channels (2-1, 6-1) are in communication with a high-pressure foam generating and conveying system, and the drill pipe (3) proximal to a side of the right shell is provided with a high-pressure foam conveying reserved hole (3-1);
the high-pressure foam generating and conveying system comprises a one-way valve (13), a pressurizer (12), a mixer (11), a gas pump (9), and an electromagnetic reversing valve (16) that are sequentially connected by using a foam conveying pipeline (14), and a liquid pump (10) is disposed on the mixer (11); and the hole sealing apparatus (7) comprises a left fastener (7-1) and a right fastener (7-3) that are fastened on the drill pipe (3) in a spaced manner and that are two opposite semi-cylinders, a steel wire expansion rubber tube (7-2) is sleeved between the left fastener (7-1) and the right fastener (7-3) and the drill pipe (3), and the drill pipe (3) between the left fastener (7-1) and the right fastener (7-3) is provided with a plurality of sealing reserved holes (3-2) in communication with an inner hole of the drill pipe (3).
2. The rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium according to claim 1, wherein an outer diameter of the high-pressure foam conveying piston (5) is provided with a high-pressure foam conveying piston shaft seal ring (5-1) sealing an inner wall of the connection pipe, and an inner diameter is provided with a high-pressure foam conveying piston hole seal ring (5-2) sealing the drill pipe (3).
3. The rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium according to claim 1, wherein there are 2 to 4 high-pressure foam conveying reserved holes (3-1) annularly arranged.
4. The rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium according to claim 1, wherein there is a plurality of groups of sealing reserved holes (3-2) disposed in a spaced manner, and each group comprises 2 to 4 holes annularly arranged.
5. A rock drilling, swelling and chiselling method using the rock drilling, swelling and chiselling integrated machine based on a high-pressure foam medium according to claim 1, comprising the following steps:
a. during rock drilling, swelling, and chiselling, starting a power apparatus (1), wherein the power apparatus (1) actuates an impact piston (21) to reciprocate in a condition that an impact frequency is greater than or equal to 36 Hz, to enable the impact piston (21) to impact a drill pipe (3) to implement impact movement of the drill pipe, meanwhile, a motor (17) actuates a gear driving mechanism to move, a small gear (19) in the gear driving mechanism drives a large gear (20), actuates the drill pipe to rotate, and drives the large gear (20) to connect in a fitting manner to the drill pipe 3 through a spline, to implement a rotation process of the drill pipe (3), and under the combined action of impact and rotation, the rock drilling, swelling and chiselling integrated machine drills a hole in a rock;
b. after the hole is completely drilled, conveying a gas and a liquid respectively through a gas pump (9) and a liquid pump (10) to a mixer (11) to mix them, and after pressurization is performed by using a pressurizer (12), generating high-pressure foam used for swelling and cracking the rock;
c. opening electromagnetic reversing valve (16), wherein the gas pump (9) conveys the gas along a left shell flow channel (2-1) to a left-side chamber of the high-pressure foam conveying chamber (4), to push a high-pressure foam piston (5) to move to the right, and after the high-pressure foam piston (5) moves to the right side of the high-pressure foam conveying chamber (4), the electromagnetic reversing valve (16) is closed;
d. conveying the high-pressure foam through a conveying pipeline (14) to a right shell flow channel (6-1), to enter the high-pressure foam conveying chamber (4), wherein the high-pressure foam conveying piston (5) moves to the left under the action of the high-pressure foam, the high-pressure foam enters a central hole of the drill pipe from a high-pressure foam conveying reserved hole (3-1) of the drill pipe (3) and moves to a drill bit (8) along the central hole of the drill pipe, and in the moving process of the high-pressure foam in the central hole of the drill pipe (3), a part of the high-pressure foam flows out from a sealing reserved hole (3-2) and forms an extrusion action on a steel wire expansion rubber tube (7-2) of a hole sealing apparatus (7), after expansion, the extruded steel wire expansion rubber tube (7-2) is tightly close to a wall of the drill hole, to achieve a sealing effect, and the other part of the high-pressure foam flows from a head aperture of the drill bit (8) to the bottom of the hole; and e. continuously injecting the high-pressure foam, so that the high-pressure foam concentrates at the bottom of the hole to form a high-pressure sealed area, and the rock is swelled and cracked under the action of the high-pressure foam, wherein after the rock is swelled and cracked, the right side of the high-pressure foam conveying chamber (4) changes from a high-pressure area to a low-pressure area, and at this time, the left side of the high-pressure foam conveying chamber (4) changes from a low-pressure area to a high-pressure area, the high-pressure foam piston (5) is pushed to an initial position, and one swelling and cracking period ends.
a. during rock drilling, swelling, and chiselling, starting a power apparatus (1), wherein the power apparatus (1) actuates an impact piston (21) to reciprocate in a condition that an impact frequency is greater than or equal to 36 Hz, to enable the impact piston (21) to impact a drill pipe (3) to implement impact movement of the drill pipe, meanwhile, a motor (17) actuates a gear driving mechanism to move, a small gear (19) in the gear driving mechanism drives a large gear (20), actuates the drill pipe to rotate, and drives the large gear (20) to connect in a fitting manner to the drill pipe 3 through a spline, to implement a rotation process of the drill pipe (3), and under the combined action of impact and rotation, the rock drilling, swelling and chiselling integrated machine drills a hole in a rock;
b. after the hole is completely drilled, conveying a gas and a liquid respectively through a gas pump (9) and a liquid pump (10) to a mixer (11) to mix them, and after pressurization is performed by using a pressurizer (12), generating high-pressure foam used for swelling and cracking the rock;
c. opening electromagnetic reversing valve (16), wherein the gas pump (9) conveys the gas along a left shell flow channel (2-1) to a left-side chamber of the high-pressure foam conveying chamber (4), to push a high-pressure foam piston (5) to move to the right, and after the high-pressure foam piston (5) moves to the right side of the high-pressure foam conveying chamber (4), the electromagnetic reversing valve (16) is closed;
d. conveying the high-pressure foam through a conveying pipeline (14) to a right shell flow channel (6-1), to enter the high-pressure foam conveying chamber (4), wherein the high-pressure foam conveying piston (5) moves to the left under the action of the high-pressure foam, the high-pressure foam enters a central hole of the drill pipe from a high-pressure foam conveying reserved hole (3-1) of the drill pipe (3) and moves to a drill bit (8) along the central hole of the drill pipe, and in the moving process of the high-pressure foam in the central hole of the drill pipe (3), a part of the high-pressure foam flows out from a sealing reserved hole (3-2) and forms an extrusion action on a steel wire expansion rubber tube (7-2) of a hole sealing apparatus (7), after expansion, the extruded steel wire expansion rubber tube (7-2) is tightly close to a wall of the drill hole, to achieve a sealing effect, and the other part of the high-pressure foam flows from a head aperture of the drill bit (8) to the bottom of the hole; and e. continuously injecting the high-pressure foam, so that the high-pressure foam concentrates at the bottom of the hole to form a high-pressure sealed area, and the rock is swelled and cracked under the action of the high-pressure foam, wherein after the rock is swelled and cracked, the right side of the high-pressure foam conveying chamber (4) changes from a high-pressure area to a low-pressure area, and at this time, the left side of the high-pressure foam conveying chamber (4) changes from a low-pressure area to a high-pressure area, the high-pressure foam piston (5) is pushed to an initial position, and one swelling and cracking period ends.
6. The rock drilling, swelling and chiselling method based on a high-pressure foam medium according to claim 5, wherein: the gas pump (9) and the liquid pump (10) respectively convey different gases and different liquids, and a ratio of the different gases to the different liquid is 3:1.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611101072.0 | 2016-12-02 | ||
| CN201611101072.0A CN106703805B (en) | 2016-12-02 | 2016-12-02 | A kind of brill based on high-pressure foam medium rises rock drilling all-in-one machine and method |
| PCT/CN2017/110672 WO2018099262A1 (en) | 2016-12-02 | 2017-11-13 | Rock drilling, swelling and chiselling combined machine based on high-pressure foam medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA3014355A1 true CA3014355A1 (en) | 2018-06-07 |
| CA3014355C CA3014355C (en) | 2019-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3014355A Expired - Fee Related CA3014355C (en) | 2016-12-02 | 2017-11-13 | Rock drilling, swelling and chiselling integrated machine based on high-pressure foam medium |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN106703805B (en) |
| CA (1) | CA3014355C (en) |
| DE (1) | DE112017000647B4 (en) |
| RU (1) | RU2685355C1 (en) |
| WO (1) | WO2018099262A1 (en) |
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|---|---|---|---|---|
| CN106703805B (en) * | 2016-12-02 | 2018-07-27 | 中国矿业大学 | A kind of brill based on high-pressure foam medium rises rock drilling all-in-one machine and method |
| CN108180015B (en) * | 2018-01-26 | 2019-06-14 | 范强忠 | A kind of drill integral type miner |
| CN108775245B (en) * | 2018-04-25 | 2019-08-02 | 中国矿业大学 | A kind of controllable pressure injection apparatus and its method based on hydraulic accumulator |
| CN109538183B (en) * | 2018-12-12 | 2023-10-27 | 中国矿业大学 | Drilling, slitting and fracturing integrated device for hard rock |
| CN109356586B (en) * | 2018-12-14 | 2023-08-15 | 新乡市威达机械有限公司 | Drilling and coal lifting integrated efficient whole coal mining device and application method thereof |
| CN110645038B (en) * | 2019-09-25 | 2021-01-19 | 吕梁学院 | Drilling and hole washing integrated device for coal mine gas extraction |
| CN110821491A (en) * | 2019-11-10 | 2020-02-21 | 徐州秩润矿山设备科技有限公司 | Wireless control's coal seam high pressure water injection car |
| CN111398130B (en) * | 2020-04-30 | 2022-11-08 | 太原理工大学 | Analysis method, measurement device and method for permeability of lump coal with multi-dimensional data sources |
| CN111521537B (en) * | 2020-04-30 | 2022-10-21 | 太原理工大学 | Multidimensional data measuring device for coal block drilling process |
| CN112797859B (en) * | 2020-12-30 | 2022-08-26 | 中国水利水电第九工程局有限公司 | Surface mine goaf roadway cleaning blasting construction method and construction device |
| CN113738268B (en) * | 2021-09-13 | 2024-04-05 | 中国铁建重工集团股份有限公司 | Impact rock drilling equipment |
| CN113982615B (en) * | 2021-10-25 | 2023-08-11 | 中国矿业大学(北京) | High-frequency gas-driven particle impact rock breaking device |
| CN114198013B (en) * | 2021-11-30 | 2023-05-09 | 九江萨普智能科技有限公司 | Industrial clamping robot convenient to multiple material of centre gripping |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2924547A1 (en) * | 1978-06-26 | 1980-01-17 | Texaco Development Corp | Extn. of bitumen from tar sand - by contact with hot aq. fluid contg. amine, without foaming or emulsification |
| SU1502830A1 (en) * | 1987-02-04 | 1989-08-23 | В.Н. Воротел к | Method of breaking solid objects |
| US6102484A (en) * | 1996-07-30 | 2000-08-15 | Applied Geodynamics, Inc. | Controlled foam injection method and means for fragmentation of hard compact rock and concrete |
| US6375271B1 (en) * | 1999-04-30 | 2002-04-23 | Young, Iii Chapman | Controlled foam injection method and means for fragmentation of hard compact rock and concrete |
| AU2006220766B2 (en) * | 2005-03-07 | 2011-11-10 | Carroll Bassett | Handheld pneumatic tool for breaking up rock |
| CN103195468A (en) * | 2013-04-02 | 2013-07-10 | 重庆市能源投资集团科技有限责任公司 | System process for conducting efficient strengthened extraction in surrounding rock |
| CN204152421U (en) * | 2014-09-26 | 2015-02-11 | 中煤科工集团重庆研究院有限公司 | Colliery hard-rock boring hydraulic drives churn drilling tools |
| CN105804764B (en) * | 2016-03-14 | 2017-12-19 | 中国矿业大学 | One kind bores the formula development machine that rises |
| CN106703805B (en) * | 2016-12-02 | 2018-07-27 | 中国矿业大学 | A kind of brill based on high-pressure foam medium rises rock drilling all-in-one machine and method |
-
2016
- 2016-12-02 CN CN201611101072.0A patent/CN106703805B/en active Active
-
2017
- 2017-11-13 DE DE112017000647.3T patent/DE112017000647B4/en not_active Expired - Fee Related
- 2017-11-13 CA CA3014355A patent/CA3014355C/en not_active Expired - Fee Related
- 2017-11-13 WO PCT/CN2017/110672 patent/WO2018099262A1/en active Application Filing
- 2017-11-13 RU RU2018130011A patent/RU2685355C1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE112017000647T5 (en) | 2018-10-25 |
| CA3014355C (en) | 2019-05-14 |
| RU2685355C1 (en) | 2019-04-17 |
| CN106703805A (en) | 2017-05-24 |
| CN106703805B (en) | 2018-07-27 |
| DE112017000647B4 (en) | 2021-11-18 |
| WO2018099262A1 (en) | 2018-06-07 |
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