CN115059398A - Jet rock breaking rotary nozzle, pore-forming drilling tool, continuous drilling system and industrial control method - Google Patents
Jet rock breaking rotary nozzle, pore-forming drilling tool, continuous drilling system and industrial control method Download PDFInfo
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- CN115059398A CN115059398A CN202210734255.5A CN202210734255A CN115059398A CN 115059398 A CN115059398 A CN 115059398A CN 202210734255 A CN202210734255 A CN 202210734255A CN 115059398 A CN115059398 A CN 115059398A
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- 238000005553 drilling Methods 0.000 title claims abstract description 98
- 239000011435 rock Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000007921 spray Substances 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 18
- 238000012806 monitoring device Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 5
- 210000002445 nipple Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 238000005065 mining Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 244000208734 Pisonia aculeata Species 0.000 description 1
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- 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
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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- 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
- E21B47/00—Survey of boreholes or wells
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- 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
- E21B7/04—Directional drilling
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Abstract
The invention belongs to the technical field of coal mining, and discloses a jet rock breaking rotary nozzle, a pore-forming drilling tool, a continuous drilling system and an industrial control method, the opening degree of one or more directional jet holes is controlled by the structural design of the actuating mechanism and the directional control mechanism, particularly by the electromagnetic action between the permanent magnet of the central rod and the electromagnet, thereby controlling the direction and the size of the jet flow of the directional injection, leading the jet flow rock breaking rotary nozzle to drill according to the preset drilling track parameters or stratum setting parameters, finally realizing the directional injection to the drilling hole, under the condition of a certain flow, the jet rock breaking rotary spray head can realize high-efficiency rock breaking, through the arrangement of the flexible hollow through cable steel cable, the drilling process does not need to be frequently stopped, and the pump is not stopped, so that the continuous drilling is realized, the labor intensity of workers is reduced, and the risk in the hole is reduced.
Description
Technical Field
The invention belongs to the technical field of coal mining, and particularly relates to a jet rock breaking rotary nozzle, a hole forming drilling tool, a continuous drilling system and an industrial control method.
Background
The underground coal mine drilling is a main technical means for coal mining and various disaster prevention and control, the drilling comprises a coal exploration hole, a water exploration and drainage hole, a gas extraction hole and the like, and the underground coal mine roadway drilling machine is main equipment for implementing various drilling. Due to the size of the roadway space, the length of the drill rod is usually not more than 3m, typically 1m, 1.5m and 3m, i.e. the drilling process must be stopped, the pump stopped, and then the drill rod is added or removed for at most 3m drilling or pullback, and this operation has the disadvantages: the labor intensity of workers in a drilling site is high, and safe construction is not facilitated; frequent pump stoppage easily causes in-hole accidents, most of the reasons for the in-hole accidents are that drilling fluid circulation stops, and the accidents are easy to happen particularly under the condition that the stratum condition is complex; the torque and the bit pressure of a drill bit are both provided by a roadway drilling machine when the existing drilling equipment drills, and an orifice drilling machine bears larger reaction force and has certain mechanical injury risk; the gas concentration of the high gas hole is easily out of limit when the drill rod orifice is replaced in the construction process; the intelligent development of the drilling machine is limited by complex mechanical requirements such as changing a drill rod, providing torque, providing weight on bit and the like. In conclusion, the existing drilling mechanism and equipment have the problems of large labor workload, high risk in holes and orifices, complex drilling machine, mechanical injury risk and the like in the drilling process.
Therefore, in view of the above-mentioned drawbacks, the present inventors have conducted extensive research and design to design a system and a method for continuous drilling downhole, which combines the experience and result of related industries for many years, so as to solve the technical problems inherent in the conventional drilling devices and methods.
Disclosure of Invention
In order to solve the problems, the invention provides a jet rock breaking rotary spray head, a hole forming drilling tool, a continuous drilling system and an industrial control method, and aims to solve the technical problems that the existing underground coal mine drilling equipment is inconvenient to use and easy to cause accidents.
In order to solve the technical problems, the invention adopts the following technical scheme:
a jet flow rock breaking rotary spray head comprises a rotary spray head body, wherein the tail end of the rotary spray head body is connected with the head end of an actuating mechanism through a rotating connecting assembly, and the tail end of the actuating mechanism is connected with a directional control mechanism; this internal first water conservancy diversion chamber that is equipped with of rotatory nozzle, the head end of rotatory nozzle body is provided with the broken rock orifice with the coaxial intercommunication in first water conservancy diversion chamber, sets up the rotatory orifice with first water conservancy diversion chamber intercommunication on the lateral wall of rotatory nozzle body, rotatory nozzle body can rotate under the promotion of the inside high-pressure jet liquid of flow through actuating mechanism and directional control mechanism.
The invention also has the following technical characteristics:
specifically, the directional control mechanism comprises a first outer shell, an electromagnet cylinder and a central rod, wherein the first outer shell, the electromagnet cylinder and the central rod are coaxially sleeved from outside to inside in the radial direction, a second flow guide cavity is axially arranged in the central rod, a plurality of convex parts are arranged at the head end of the central rod at intervals along the circumferential direction, a plurality of central rod permanent magnets are arranged on the outer wall of the central rod at equal intervals, and a plurality of electromagnets are arranged on the inner wall of the electromagnet cylinder at equal intervals;
the actuating mechanism comprises a second outer shell body which is axially provided with a third flow guide cavity, the tail end of the second outer shell body is in plug fit with the head end of the first outer shell body, the head end of the second outer shell body is connected with the rotary spray head body, and the first flow guide cavity, the second flow guide cavity and the third flow guide cavity are coaxially communicated;
a plurality of mounting cavities are axially arranged on the side wall of the second outer shell, springs are arranged at the bottoms of the mounting cavities, actuating rods capable of moving in the mounting cavities are connected to the springs, water through holes are formed in the actuating rods, and the tail ends of the actuating rods penetrate through the mounting cavities and abut against the protruding portions;
a directional jet hole is further formed in the side wall of the second outer shell and communicated with the mounting cavity and the third diversion cavity;
when the central rod rotates under the electromagnetic action between the central rod permanent magnet and the electromagnet, the actuating rod can move in the mounting cavity along the axial direction under the pushing of the central rod, so that the water passing hole is communicated with or disconnected from the directional spraying hole.
Furthermore, the number of the installation cavities is 3, the installation cavities are arranged along the outer wall of the second outer shell at equal intervals, and the number of the central rod permanent magnets and the number of the electromagnets are 6.
Further, the rotating connection assembly is a bearing.
The invention also discloses a pore-forming drilling tool, which comprises the jet rock-breaking rotary nozzle, and also comprises a control short section and a measurement short section which are sequentially arranged at the rear end of the jet rock-breaking rotary nozzle;
the control short section comprises a control short section outer pipe provided with a first core pipe, a control assembly sleeved in the control short section outer pipe and a control communication cable embedded in the first control short section outer pipe;
the measuring short section comprises a measuring short section outer pipe provided with a second core pipe, a measuring assembly sleeved in the measuring short section outer pipe and a measuring communication cable embedded in the measuring short section outer pipe;
the first outer shell, the control short section outer pipe and the measuring short section outer pipe are sequentially arranged in a penetrating manner, and the first core pipe, the second core pipe and the second flow guide cavity are communicated to form a liquid injection flow channel; the control communication cable, the measurement communication cable and the electromagnetic communication cable embedded in the outer wall of the electromagnet barrel are communicated in sequence to form a power supply communication passage.
The invention also discloses a continuous drilling system which comprises the pore-forming drilling tool, wherein the tail end of the pore-forming drilling tool is connected with the through cable hollow steel cable, and the through cable hollow steel cable is connected with a wire arranging device arranged on the through cable hollow steel cable storage cylinder through a cable hollow steel cable conveying device;
the hollow cable through-cable steel cable is driven by the hollow cable through-cable steel cable conveying device to move axially along a drill hole in the drill hole, the tail end of the hollow cable through-cable steel cable is connected with a high-pressure pump, and the high-pressure pump provides injection liquid for a hole forming drilling tool communicated with the head end of the hollow cable through-cable steel cable.
Furthermore, the hollow cable steel cable comprises an inner tube with a central through hole and an outer tube coaxially sleeved outside the inner tube, an annular arrangement space is formed between the inner tube and the outer tube, a pressure-bearing protective layer and a steel wire layer are sequentially arranged in the annular arrangement space from inside to outside along the radial direction, and a measurement control circuit is arranged in the pressure-bearing protective layer.
Furthermore, a continuous drilling system conveying platform is arranged below the through cable hollow steel cable conveying device and the through cable hollow steel cable storage cylinder.
Furthermore, a monitoring device is further arranged on the conveying platform of the continuous drilling system, and the monitoring device is connected with the measurement control circuit.
The invention also discloses an industrial control method of the continuous drilling system, which is realized by the continuous drilling system and comprises the following contents:
presetting drilling track parameters or stratum parameters, and inputting the preset parameters into a monitoring device; the monitoring device transmits preset parameters to the control short section through a measurement control circuit, the control short section converts the received control instructions into electric signal instructions according to the received setting parameters, then the magnetism of one or more electromagnets is adjusted to push the central rod to rotate for a preset angle, further one or more execution rods are pushed to move axially to open one or more directional injection holes, lateral force is applied to the jet rock breaking rotary spray head, the jet rock breaking rotary spray head drills according to preset drilling track parameters or stratum setting parameters, directional injection is finally achieved, and directional rock breaking pore-forming is completed; and in the drilling process, the control short joint also transmits the acquired gesture drilling track of the current pore-forming drilling tool to the monitoring device.
Compared with the prior art, the invention has the beneficial effects that:
(1) the jet rock breaking rotary nozzle controls the opening degree of one or more directional jet holes through the structural design of the actuating mechanism and the directional control mechanism, particularly through the electromagnetic action between the permanent magnet of the arranged center rod and the electromagnet, so that the jet direction and the size of the directional jet are controlled, the cable hollow steel cable applies drilling pressure, and under the condition of certain flow, the jet rock breaking rotary nozzle can realize efficient rock breaking.
(2) The continuous drilling system of the invention adopts the flexible through cable hollow steel cable, so that the drilling process does not need to be frequently stopped and stopped, and then the drill rod is added or unloaded in the drilling process, thereby realizing continuous drilling, reducing the labor intensity of workers, reducing the risk in the hole and facilitating the track adjustment according to the condition in the hole.
(3) The continuous drilling system adopts water jet drilling, the drilling machine does not provide torque, the safety is high, the drilling tool assembly is simple, and automatic and intelligent drilling can be implemented.
(4) The method adopts the hollow cable-through steel cable conveying device to provide feeding force by means of the hollow cable-through steel cable, finally realizes the adjustment of the direction and the size of the jet flow of the directional injection by adjusting the magnetism of one or more electromagnets, and has the advantages of simple and convenient operation, high reliability and very high popularization and use values.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a cross-sectional view of a hole-forming drill of the present invention;
FIG. 2 is a schematic view of the overall construction of the inventive hole-forming drill;
FIG. 3 is a schematic view of the continuous drilling system of the present invention;
FIG. 4 is a cross-sectional view of the orientation control mechanism of the present invention;
FIG. 5 is a cross-sectional view of an actuator of the present invention;
FIG. 6 is a schematic view of the construction of the hollow steel cable for through cable according to the present invention;
the reference numerals in the figures denote:
1-rotating a spray head body, 2-an actuating mechanism, 3-a directional control mechanism, 4-a control short section, 5-a measuring short section, 6-a high-pressure pump, 7-a cable-passing hollow steel cable, 8-a cable-passing hollow steel cable conveying device, 9-a cable-passing hollow steel cable storage cylinder, 10-a continuous drilling system conveying platform, 11-a first diversion cavity and 12-a monitoring device; 21-a second housing body; 31-a first outer shell, 32-an electromagnet cylinder, 33-a central rod; 41-control short section outer pipe; 51-measuring short section outer pipe; 71-inner pipe, 72-outer pipe, 73 pressure-bearing protective layer, 74-steel wire layer, 75-measuring control circuit; 101-rock breaking spray hole, 102-rotary spray hole, 211-third diversion cavity, 212-installation cavity and 213-directional spray hole; 321-an electromagnet, 331-a second diversion cavity, 332-a bulge and 333-a center rod permanent magnet; 2121-spring, 2122-actuator rod.
The details of the present invention are explained in further detail below with reference to the drawings and the detailed description.
Detailed Description
The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, bottom, top" and "lower" generally means that they are defined with reference to the drawing plane of the corresponding drawing, and "inner and outer" means that they are defined with reference to the outline of the corresponding drawing.
Example 1
Following the above technical solution, as shown in fig. 1, the embodiment discloses a jet rock breaking rotary nozzle, which includes a rotary nozzle body 1, wherein a tail end of the rotary nozzle body 1 is connected to a head end of an actuator 2 through a rotating connection assembly, and a tail end of the actuator 2 is connected to a directional control mechanism 3; a first flow guide cavity 11 is arranged in the rotary spray head body 1, a rock breaking spray hole 101 coaxially communicated with the first flow guide cavity 11 is arranged at the head end of the rotary spray head body 1, the rock breaking spray hole 101 is mainly used for breaking rock at the front end of the rotary spray head body 1 in a drill hole, a rotary spray hole 102 communicated with the first flow guide cavity 11 is formed in the side wall of the rotary spray head body 1, the rotary spray head body 1 can rotate under the pushing of high-pressure spray liquid flowing through the inside of the execution mechanism 2 and the directional control mechanism 3, and in the embodiment, liquid flow channels coaxially communicated with the first flow guide cavity 11 are arranged in the execution mechanism 2 and the directional control mechanism 3; the recoil force generated by the eccentricity of the high-pressure liquid flow ejected from the rotary nozzle 102 can drive the rotary nozzle body 1 to rotate.
Specifically, the tail end of the rotary spray head body 1 is connected with the head end of the actuating mechanism 2 through a rotating connecting assembly and can rotate relative to the actuating mechanism 2; the tail end of the actuating mechanism 2 is connected with a directional control mechanism 3; the rotary spray head body 1 can rotate and advance under the pushing of high-pressure spray liquid flowing through the actuating mechanism 2 and the directional control mechanism 3. Namely, the rotary spray head body 1 can break rock in the drill hole to advance and turn under the action of the actuating mechanism 2 and the directional control mechanism 3. The jet rock breaking nozzle can be further provided with a magnetic speed reducer for speed reduction so as to control the rotating speed of the nozzle and ensure the impact force of the nozzle for rock breaking.
As a preferable scheme of this embodiment, as shown in fig. 4, the directional control mechanism 3 includes a first outer shell 31, an electromagnet cylinder 32, and a central rod 33 axially provided with a second diversion cavity 331, which are coaxially sleeved from outside to inside in the radial direction, wherein the head end of the central rod 33 is circumferentially provided with a plurality of protrusions 332 at intervals, the outer wall of the central rod 33 is equidistantly provided with a plurality of central rod permanent magnets 333, and the inner wall of the electromagnet cylinder 32 is equidistantly provided with a plurality of electromagnets 321; the central rod permanent magnets 333 and the electromagnets 321 are the same in number and are symmetrically arranged but not connected; the center rod 33 is rotatable in the electromagnet cylinder 32; the electromagnet 321 is connected with a power supply line, after power is supplied by the power supply, the electromagnet 321 generates a magnetic field, and the magnetism of the electromagnet 321 can be controlled singly or in combination to enable the central rod 33 to rotate at a preset angle, so that the convex part 332 arranged at the end part of the central rod is driven to rotate in the circumferential direction, and the convex part 332 rotates to a fixed angle.
As shown in fig. 5, the actuator 2 includes a second outer housing 21 having a third diversion cavity 211 axially disposed therein, a tail end of the second outer housing 21 is inserted into and fitted with a head end of the first outer housing 31, and a head end of the second outer housing 21 is connected to the rotary sprinkler body, in this embodiment, the head end of the second outer housing 21 is connected to the jet rock breaking rotary sprinkler via a bearing, the first diversion cavity 11, the second diversion cavity 331 and the third diversion cavity 211 are coaxially communicated to form a flow channel of the spray liquid in the jet rock breaking rotary sprinkler, and the spray liquid can be ejected from the rotary spray hole via the first diversion cavity 11, the second diversion cavity 331 and the third diversion cavity 211;
a plurality of mounting cavities 212 are axially distributed on the side wall of the second outer shell 21, a spring 2121 is arranged at the bottom of each mounting cavity 212, an actuating rod 2122 which can move in the mounting cavity is connected to the spring 2121, a water through hole is further formed in the actuating rod 2122, and the tail end of the actuating rod 2122 penetrates through the mounting cavity 212 and abuts against the boss 332;
the side wall of the second outer shell 21 is further provided with a directional injection hole 213, wherein an acute angle of 30-80 degrees is formed between the directional injection hole 213 and the horizontal direction, that is, the directional injection hole 213 can inject water flow to the rear of the advancing direction of the jet rock breaking rotary sprayer, and the directional injection hole 213 is communicated with the mounting cavity 212 and the third diversion cavity 211;
when the center rod 33 is rotated by the electromagnetic action between the center rod permanent magnet 333 and the electromagnet 321, the actuating rod 2122 is axially moved in the mounting chamber 212 by the urging of the center rod 33, so that the water passing holes are communicated with or disconnected from the directional injection holes 213.
In this embodiment, the second guide cavity 331 and the third guide cavity 211 are communicated to form the liquid flow channel.
As a preferable scheme of this embodiment, the number of the mounting cavities 212 is 3, and the mounting cavities are arranged at equal intervals along the outer wall of the second housing 21, the number of the center rod permanent magnets 333 and the number of the electromagnets 321 are 6, in this embodiment, each electromagnet 321 is connected to an independent power supply circuit, so that magnetic control over one or more electromagnets 321 can be realized by controlling the power supply circuit, so as to push the center rod 33 to rotate by a predetermined angle, and further push one or more actuating rods 2122 to axially move through the center rod 33, thereby opening one or more directional injection holes 213.
As a preferable solution of this embodiment, the rotating connection assembly is a bearing.
The application process of this embodiment is as follows:
after the electromagnet 321 is powered by a power supply circuit, an electromagnetic action is generated between the central rod permanent magnet 333 and the electromagnet 321, the central rod 33 rotates, the protruding part 332 applies thrust to the actuating rod 2122 through surface matching with the actuating rod 2122, so that the spring 2121 is compressed, the actuating rod 2122 moves in the mounting cavity 212 in the direction close to the jet flow rock breaking rotary spray head, the water through hole can be communicated with the directional spray hole 213, the magnetic force between the electromagnet 321 and the central rod permanent magnet 333 can be controlled by controlling the current, the moving distance of the actuating rod 2122 moving in the mounting cavity 212 is further controlled, the overlapping area of the water through hole and the directional spray hole 213 is adjusted, and finally the flow rate of the spray liquid is adjusted.
After the power supply circuit is powered off, the magnetism of the electromagnet 321 changes, the central rod permanent magnet 333 rotates, at the moment, the actuating rod 2122 moves towards the direction far away from the jet flow rock breaking rotary spray head under the action of the spring 2121, the water passing hole can be not communicated with the directional spray hole 213, and the spray liquid does not flow out of the original directional spray hole 213 any more.
Example 2
As shown in fig. 2, the embodiment further discloses a hole-forming drilling tool, further comprising a control nipple 4 and a measuring nipple 5 which are sequentially arranged at the rear end of the jet rock-breaking rotary nozzle;
the control short section 4 comprises a control short section outer tube 41 provided with a first core tube, a control assembly sleeved in the control short section outer tube 41 and a control communication cable embedded in the first control short section outer tube 41;
the measuring short section 5 comprises a measuring short section outer pipe 51 provided with a second core pipe, a measuring component sleeved in the measuring short section outer pipe 51 and a measuring communication cable embedded in the measuring short section outer pipe 51;
the first outer shell 31, the control short section outer tube 41 and the measurement short section outer tube 51 are sequentially arranged in a penetrating manner, and the first core tube, the second core tube and the second flow guide cavity 331 are communicated to form a jet liquid flow channel; the control communication cable, the measurement communication cable and the electromagnetic communication cable embedded in the outer wall of the electromagnet barrel are communicated in sequence to form a power supply communication passage.
Example 3
As shown in fig. 3, the present embodiment provides a continuous drilling system, which comprises the hole-forming drilling tool disclosed in embodiment 2, wherein the tail end of the hole-forming drilling tool is connected to a hollow cable-connected steel cable 7, and the hollow cable-connected steel cable 7 is connected to a wire arranging device arranged on a hollow cable-connected steel cable storage cylinder 9 through a hollow cable-connected steel cable conveying device 8;
lead to hollow cable wire 7 and remove in drilling under the drive of leading to hollow cable wire conveyor 8 of cable, the trailing end connection of leading to hollow cable wire 7 has high-pressure pump 6, and high-pressure pump 6 provides the injection liquid through hollow cable wire 7 for the pore-forming drilling tool that communicates with hollow cable wire 7 head end, and is concrete, and high-pressure pump 6 carries high-pressure injection liquid through high-pressure rotary joint in leading to hollow cable wire 7 and the pore-forming drilling tool of visiting.
As a preferable scheme of this embodiment, as shown in fig. 6, the through-cable hollow steel cable 7 includes an inner tube 71 having a central through hole, and an outer tube 72 coaxially sleeved outside the inner tube 71, an annular installation space is formed between the inner tube 71 and the outer tube 72, a pressure-bearing protection layer 73 and a steel wire layer 74 are sequentially arranged in the annular installation space from inside to outside along a radial direction, a measurement control circuit 75 is arranged in the pressure-bearing protection layer 73, the through-cable hollow steel cable 7 has flexibility, and can also be wound on a through-cable hollow steel cable storage cylinder, and has a bending radius of 2m to 3.5m, and a certain rigidity, and can be used for transmitting an axial force in a hole.
As a preferable scheme of the embodiment, a continuous drilling system conveying platform 10 is further arranged below the hollow through cable steel cable conveying device 8 and the hollow through cable steel cable storage barrel 9, and the continuous drilling system conveying platform 10 is convenient for conveying continuous drilling system components.
In this embodiment, preferably, the conveying device for the hollow through cable steel cable comprises a conveying box, two conveying mechanisms which have the same structure and are arranged in mirror symmetry are arranged in the conveying box, and the two conveying mechanisms are used for conveying the hollow through cable steel cable;
the transmission mechanism comprises a driver, a driving wheel, a driven wheel and a transmission belt for connecting the driving wheel and the driven wheel, wherein the driver is used for driving a driving shaft of the driving wheel to rotate so as to drive a driven shaft of the driven wheel to rotate;
the driving shaft is connected with the driven shaft through a supporting plate, a supporting piece is arranged on the supporting plate, and the supporting piece is used for supporting the conveying belt. Other devices that can be used for cable transportation can also be used as long as horizontal transportation of the cable is achieved.
As a preferable scheme of this embodiment, the conveying platform 10 of the continuous drilling system is further provided with a monitoring device 12, the monitoring device 12 is connected to the measurement control line, for example, the monitoring device 12 may be connected to the measurement control line through a circuit rotary connector, and the monitoring device 12 is configured to perform real-time monitoring and control on the continuous drilling system, to obtain an eyelet trajectory, formation information, and to control the drilling tool to advance along a set trajectory or a predetermined formation.
In the using process of the continuous drilling system, the conveying platform 10 of the continuous drilling system moves to a preset position in a roadway to complete the assembly of the system, the rotary sprayer body 1 is connected with the through cable hollow steel cable 7 through the execution mechanism 2 and the directional control mechanism 3, high-pressure spraying liquid enters the interior of the rotary sprayer body 1 through the through cable hollow steel cable 7, the directional control mechanism 3 and the execution mechanism 2, the rotary sprayer body 1 rotates and moves forward in a drill hole under the driving of the high-pressure spraying liquid, and in the drilling process, the flow adjustment of the spraying liquid is achieved through the matching of the directional control mechanism 3 and the execution mechanism 2 disclosed in the embodiment 1, and finally the directional drilling is achieved.
Example 4
The embodiment discloses an industrial control method of a continuous drilling system, which is realized by the continuous drilling system disclosed in the embodiment 3, and comprises the following contents:
presetting drilling track parameters or stratum setting parameters, and inputting the preset parameters into a monitoring device;
the monitoring device conveys preset parameters to the control short section through a measurement control circuit, the control short section converts the received control command into an electric signal command according to the received setting parameters, then the control short section pushes the central rod to rotate by a preset angle by adjusting the magnetism of one or more electromagnets, further pushes one or more execution rods to axially move to open one or more directional injection holes, and applies lateral force to the jet flow rock breaking rotary spray head, so that the jet flow rock breaking rotary spray head drills according to preset drilling track parameters or stratum setting parameters, and finally directional injection is realized to finish directional rock breaking hole forming; and in the drilling process, the control short joint also transmits the acquired gesture drilling track of the current pore-forming drilling tool to the monitoring device.
When the jet rock breaking rotary nozzle is in an advancing state in the drill hole, small-flow and low-pressure fluid construction is adopted, when the jet rock breaking rotary nozzle is in a rock breaking state in the drill hole, large-flow and high-pressure fluid construction is adopted, the flow is 180-300L/min, the pressure is 15-50 MPa, and abrasive materials can be added into the fluid to improve the rock breaking efficiency.
In the above description, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" and the like are to be broadly construed, and for example, may be fixedly connected, detachably connected, or integrated; either a direct connection or an indirect connection, and the like. The specific meaning of the above terms in the present technical solution can be understood by those of ordinary skill in the art according to specific situations.
The respective specific technical features described in the above-described embodiments may be combined in any suitable manner without contradiction as long as they do not depart from the gist of the present invention, and should also be regarded as being disclosed in the present invention.
Claims (10)
1. A jet rock breaking rotary nozzle comprises a rotary nozzle body (1), and is characterized in that the tail end of the rotary nozzle body (1) is connected with the head end of an actuating mechanism (2) through a rotating connecting assembly, and the tail end of the actuating mechanism (2) is connected with a directional control mechanism (3); be equipped with first water conservancy diversion chamber (11) in rotatory nozzle body (1), the head end of rotatory nozzle body (1) is provided with broken rock orifice (101) with the coaxial intercommunication in first water conservancy diversion chamber (11), sets up rotatory orifice (102) with first water conservancy diversion chamber (11) intercommunication on the lateral wall of rotatory nozzle body (1), rotatory nozzle body (1) can be rotatory under the promotion of the inside high-pressure jet liquid of flow through actuating mechanism (2) and directional control mechanism (3).
2. The jet flow rock breaking rotary sprayer according to claim 1, wherein the directional control mechanism (3) comprises a first outer shell (31) and an electromagnet cylinder (32) which are coaxially sleeved from outside to inside in the radial direction, and a central rod (33) which is axially provided with a second flow guide cavity (331), the head end of the central rod (33) is circumferentially provided with a plurality of protrusions (332) at intervals, the outer wall of the central rod (33) is provided with a plurality of central rod permanent magnets (333) at equal intervals, and the inner wall of the electromagnet cylinder (32) is provided with a plurality of electromagnets (321) at equal intervals;
the actuating mechanism (2) comprises a second outer shell (21) which is axially provided with a third flow guide cavity (211), the tail end of the second outer shell (21) is in plug fit with the head end of the first outer shell (31), the head end of the second outer shell (21) is connected with the rotary spray head body (1), and the first flow guide cavity (11), the second flow guide cavity (331) and the third flow guide cavity (211) are coaxially communicated;
a plurality of mounting cavities (212) are axially distributed on the side wall of the second outer shell (21), springs (2121) are arranged at the bottoms of the mounting cavities (212), an actuating rod (2122) capable of moving in the mounting cavities is connected to each spring (2121), water passing holes are further formed in each actuating rod (2122), and the tail end of each actuating rod (2122) penetrates through the corresponding mounting cavity (212) to abut against the corresponding bulge part (332);
a directional injection hole (213) is further formed in the side wall of the second outer shell (21), and the directional injection hole (213) is communicated with the mounting cavity (212) and the third diversion cavity (211);
when the central rod (33) rotates under the electromagnetic action between the central rod permanent magnet (333) and the electromagnet (321), the actuating rod (2122) can move axially in the mounting cavity (212) under the pushing of the central rod (33), so that the water through holes are communicated with or disconnected from the directional injection holes (213).
3. A jet rock breaking rotary nozzle according to claim 2, characterized in that the number of the installation cavities (212) is 3, and the installation cavities are arranged along the outer wall of the second outer shell (21) at equal intervals, and the number of the central rod permanent magnets (333) and the number of the electromagnets (321) are 6.
4. The jet rock breaking spinner of claim 1, wherein the rotational connection assembly is a bearing.
5. A pore-forming drilling tool, characterized by comprising the jet flow rock-breaking rotary nozzle according to any one of claims 2 to 4, and further comprising a measuring nipple (5) and a control nipple (4) which are sequentially arranged at the rear end of the jet flow rock-breaking rotary nozzle;
the control short section (4) comprises a control short section outer pipe (41) provided with a first core pipe, a control assembly sleeved in the control short section inner and outer pipes (41), and a control communication cable embedded in the control short section outer pipe (41);
the measuring short section (5) comprises a measuring short section outer pipe (51) provided with a second core pipe, a measuring assembly sleeved in the measuring short section outer pipe (51) and a measuring communication cable embedded in the measuring short section outer pipe (51);
the first outer shell (31), the control short section outer tube (41) and the measuring short section outer tube (51) are sequentially arranged in a penetrating manner, and the first core tube, the second core tube and the second flow guide cavity (331) are communicated to form a liquid injection flow channel; the control communication cable, the measurement communication cable and the electromagnetic communication cable embedded in the outer wall of the electromagnet barrel are communicated in sequence to form a power supply communication passage.
6. A continuous drilling system, characterized by comprising the pore-forming drilling tool as claimed in claim 5, wherein the tail end of the pore-forming drilling tool is connected with a hollow through-cable steel cable (7), and the hollow through-cable steel cable (7) is connected with a wire arranging device arranged on a hollow through-cable steel cable storage cylinder (9) through a hollow through-cable steel cable conveying device (8);
the hollow cable (7) moves in the drill hole along the axial direction of the drill hole under the driving of the hollow cable conveying device (8), the tail end of the hollow cable (7) is connected with a high-pressure pump (6), and the high-pressure pump (6) provides injection liquid for a pore-forming drilling tool communicated with the head end of the hollow cable (7) through the hollow cable (7).
7. The continuous drilling system according to claim 6, wherein the hollow steel cable (7) comprises an inner tube (71) with a central through hole and an outer tube (72) coaxially sleeved outside the inner tube (71), an annular installation space is formed between the inner tube (71) and the outer tube (72), a pressure-bearing protective layer (73) and a steel wire layer (74) are sequentially arranged in the annular installation space from inside to outside along the radial direction, and a measurement control circuit (75) is arranged in the pressure-bearing protective layer (73).
8. A continuous drilling system according to claim 6, characterized in that a continuous drilling system conveyor platform (10) is further provided below the cabled hollow wire conveyor (8) and the cabled hollow wire storage drum (9).
9. The continuous drilling system according to claim 8, characterized in that a monitoring device (12) is further arranged on the continuous drilling system conveying platform (10), and the monitoring device (12) is connected with the measurement control line.
10. A method of industrial control of a continuous drilling system according to any of claims 6 to 9, the method comprising:
presetting drilling track parameters or stratum setting parameters, and inputting the preset parameters into a monitoring device; the monitoring device transmits preset parameters to the control short section through a measurement control circuit, the control short section converts the received control instructions into electric signal instructions according to the received setting parameters, then the magnetism of one or more electromagnets is adjusted to push the central rod to rotate for a preset angle, further one or more execution rods are pushed to move axially to open one or more directional injection holes, lateral force is applied to the jet rock breaking rotary spray head, the jet rock breaking rotary spray head is made to drill according to preset drilling track parameters or stratum setting parameters, and directional injection is finally achieved to finish directional rock breaking hole forming; and in the drilling process, the control short section also transmits the acquired gesture drilling track of the current pore-forming drilling tool to the monitoring device.
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| CN202210734255.5A CN115059398B (en) | 2022-06-27 | 2022-06-27 | Jet rock breaking rotary spray head, hole drilling tool, continuous drilling system and industrial control method |
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| CN202210734255.5A CN115059398B (en) | 2022-06-27 | 2022-06-27 | Jet rock breaking rotary spray head, hole drilling tool, continuous drilling system and industrial control method |
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