CN110424910B - Tunnel drilling machine device and drilling method based on forced water spraying limitation of fire explosion - Google Patents
Tunnel drilling machine device and drilling method based on forced water spraying limitation of fire explosion Download PDFInfo
- Publication number
- CN110424910B CN110424910B CN201910820112.4A CN201910820112A CN110424910B CN 110424910 B CN110424910 B CN 110424910B CN 201910820112 A CN201910820112 A CN 201910820112A CN 110424910 B CN110424910 B CN 110424910B
- Authority
- CN
- China
- Prior art keywords
- drill
- water
- rod
- controller
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 166
- 238000005553 drilling Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims description 22
- 238000004880 explosion Methods 0.000 title claims description 21
- 238000005507 spraying Methods 0.000 title claims description 16
- 238000012545 processing Methods 0.000 claims abstract description 3
- 239000007921 spray Substances 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 16
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000005641 tunneling Effects 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
- E21B35/00—Methods or apparatus for preventing or extinguishing fires
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The tunnel drilling machine device comprises a tunnel drilling machine device body with a drilling machine (1) and a water injector (4), a first main part which is arranged on the drilling machine (1) and is used for controlling the working state of the drilling machine (1), a second main part which is arranged in the water injector (4) and is used for picking up water flow signals in the water injector (4), and a controller (9) which is respectively connected with the first main part and the second main part and is used for signal processing, wherein the water flow signals of the water injector (4) are used as basic signals through the second main part, the drilling machine (1) is controlled through the first main part and the controller (9), and the drilling operation is realized through the tunnel drilling machine device body, so that the phenomenon of carrying out the drilling operation under the condition of no water injection is prevented, and the safety performance of the drilling operation under a coal mine is improved.
Description
Technical Field
The invention relates to an underground drill rig device and a drilling method, in particular to an underground drill rig device and a drilling method for limiting fire explosion based on forced water spraying.
Background
The tunnel drilling machine for the coal mine is used for drilling holes on a mining face and is used for: the construction of surrounding rock is ascertained, the occurrence of dangerous situations such as underground water and gas are revealed, blind mine bodies are found, certain exploration tunnels are replaced or the tunneling direction of the tunnels is guided, so that the tunnel drilling machine device and the drilling method which are based on forced water spraying limit and fire explosion are important mine devices, in the existing tunnel drilling machine device and the drilling method which are based on forced water spraying limit and fire explosion are required to be used for adding water, the water can be added for cooling the temperature of a drill bit and smoothly discharging slag through a drill rod, the existing drilling machine water injection is realized by directly connecting a coal mine underground water source to a water injector through a water pipe by coal mine workers, but when misoperation occurs, the drilling operation is carried out under the condition of no water addition, the fire hazard is easy to occur due to heat generated by friction between the drill bit and the coal bed, and if the gas content between coal beds is large, explosion can occur, the safety production of the coal mine underground is seriously influenced, and the tunnel drilling machine device for realizing linkage of the drilling machine and the water injector is not available.
Disclosure of Invention
The object of the invention is a tunnel boring machine device for coal mines,
the object of the invention is a drilling method for a coal mine tunnel drilling machine device.
In order to overcome the technical defects, the invention aims to provide a tunnel drilling machine device and a drilling method for limiting fire explosion based on forced water spraying, so that the phenomenon of drilling operation under the condition of no water injection is prevented, and the safety performance of the drilling operation under the coal mine is improved.
In order to achieve the above purpose, the invention adopts the following technical scheme: the underground drill rig device comprises a tunnel drill rig device body with a drill rig and a water injector, a first main part arranged on the drill rig and used for controlling the working state of the drill rig, a second main part arranged in the water injector and used for picking up water flow signals in the water injector, and a controller which is connected with the first main part and the second main part respectively and used for signal processing.
Because the tunnel drilling machine device body, the first main part, the second main part and the controller are designed, the water flow signal of the water injector is taken as a basic signal through the second main part, the control of the drilling machine is realized through the first main part and the controller, and the drilling operation is realized through the tunnel drilling machine device body, so that the phenomenon of drilling operation under the condition of no water injection is prevented, and the safety performance of the underground drilling operation of a coal mine is improved.
The invention designs that the main body of the tunnel drilling machine, the first main part, the second main part and the controller are mutually connected in a mode of taking a water flow signal as a basic signal.
The invention designs that the first main part, the second main part and the controller are connected with the main body of the tunnel drilling machine in a mode of converting water flow signals into electric signals.
The invention designs that the tunnel drilling machine device body is arranged to further comprise a drill rod, a drill bit, a three-way valve and a water pipe joint.
The invention designs that the first main part is arranged as an electrohydraulic reversing valve.
The invention provides that the second main part is configured as a pressure sensor.
The invention designs that a drill rod and an electrohydraulic reversing valve are arranged on a drilling machine, a drill bit and a water injector are respectively arranged on the drill rod, a three-way valve is arranged on the water injector, a water pipe connector and a pressure sensor are respectively arranged on the three-way valve, and a controller is arranged between the pressure sensor and the electrohydraulic reversing valve.
The invention designs that the drilling machine comprises a sliding frame, a clamp holder, a hydraulic chuck, a speed changer and a hydraulic motor, wherein the clamp holder is arranged at one end of the sliding frame, the speed changer is arranged at the other end of the sliding frame, an output end shaft of the speed changer is connected with the hydraulic chuck, an input end shaft of the speed changer is connected with an end shaft of the hydraulic motor, the clamp holder and the hydraulic chuck are respectively connected with a drill rod in a penetrating way, a hydraulic power end part of the hydraulic motor is connected with an electrohydraulic reversing valve, and the sliding frame, the clamp holder, the hydraulic chuck, the speed changer and the hydraulic motor are distributed in a full hydraulic drilling machine mode.
The invention provides that the drill rods are arranged as rod-shaped bodies with through-hole bodies and that one of the ends of the drill rods is provided with a conical threaded hole body, that the other end of the drill rod is provided with a conical threaded rod body and that two adjacent drill rods are arranged to be mutually coupled with the conical threaded rod body of the other drill rod through the conical threaded hole body of one of the drill rods, that the conical threaded hole body of the drill rod at one end is arranged to be coupled with the water injector and that the conical threaded rod body of the drill rod at the other end is arranged to be coupled with the drill bit, that the drill rods are arranged to be coupled with the drilling machine and that the through-hole bodies of the drill rods are respectively arranged to be in communication with the drill bit and the water injector.
The invention designs that the drill bit comprises a head rod part and end teeth parts, water spraying holes are arranged on the peripheral side surface part and the end surface part of the head rod part, one end surface part of the head rod part is connected with the end teeth parts, a conical threaded hole body is arranged on the other end surface part of the head rod part, the conical threaded hole body of the head rod part is connected with a drill rod, the head rod part is a round rod body, and the end teeth parts are saw-tooth bodies.
The invention designs that the water injector is arranged as a rotating shaft part and a shell part, one end of the rotating shaft part is arranged to be rotationally connected with the shell part, the other end of the rotating shaft part is arranged as a conical threaded rod, the conical threaded rod of the rotating shaft part is arranged to be connected with a drill rod, the side surface part of the shell part is arranged to be connected with a three-way valve, the shell part is arranged as a cylindrical body with a blind hole, the rotating shaft part is arranged as a rod-shaped body with a T-shaped hole, and the T-shaped holes of the rotating shaft part are respectively arranged to be communicated with the drill rod and the three-way valve.
The invention contemplates that a first port portion of the three-way valve is configured to couple with a water injector and a second port portion of the three-way valve is configured to couple with a water line head and a third port portion of the three-way valve is configured to couple with a pressure sensor.
The invention designs that the water pipe connector is arranged as a water pipe quick-mounting connector, one end of the water pipe connector is connected with the three-way valve, and the other end of the water pipe connector is connected with the output port of the high-pressure water pump.
The invention designs that the pressure sensor is arranged to be connected with the three-way valve and the output interface of the pressure sensor is arranged to be connected with the controller.
The invention designs that the hydraulic output port part of the electrohydraulic reversing valve is connected with a drilling machine, the hydraulic output port part of the electrohydraulic reversing valve is connected with the output port part of a high-pressure hydraulic pump, and the control interface of the electrohydraulic reversing valve is connected with a controller.
The invention designs that the controller is a PLC controller, the input interface of the controller is connected with the pressure sensor, and the output interface of the controller is connected with the electrohydraulic reversing valve.
The invention designs a drilling machine, a drill rod, a drill bit, a water injector, a three-way valve, a water pipe connector, a pressure sensor, an electrohydraulic reversing valve and a controller which are distributed in a manner of being controlled by electric signals.
The invention designs a drilling method for a coal mine tunnel drilling machine device, which comprises the following steps: the drill rod is connected with each other to form a drill rod group, the drill rod is arranged in the clamp holder and the hydraulic chuck, water output by the high-pressure water pump is injected into the shell part through the water pipe connector, water enters the through hole body of the drill rod through the T-shaped hole of the rotating shaft part in the rotating shaft part, water is discharged into the water spraying hole of the head rod part through the through hole body of the drill rod, water in the water spraying hole of the head rod part is sprayed into the drill hole, the pressure sensor picks up water pressure signals in the drill rod, the pressure sensor inputs signals to the controller, the controller processes water pressure signal data of the pressure sensor, when the water pressure in the drill rod is greater than 0.1MPa, the controller outputs opening signals to the electrohydraulic reversing valve, so that the electrohydraulic reversing valve is in an open state, the hydraulic motor is communicated with the high-pressure hydraulic pump, the hydraulic motor is in an operating state, and enters into the drill hole state, when the water pressure in the drill rod is less than or equal to 0.1MPa, the controller does not output opening signals to the electrohydraulic reversing valve, so that the electrohydraulic reversing valve is in a closed state, and the electrohydraulic reversing valve is in a non-operating state.
The invention has the technical effects that: the hydraulic control system is characterized in that a water source and a water injector are connected through a three-way valve block, the water injector is arranged at the tail part of a drill rod, a GPD series mining intrinsic safety type pressure sensor is arranged on the three-way valve block and used for detecting the water pressure passing through the water injector, a mining explosion-proof electrohydraulic reversing valve is additionally arranged between a multi-way valve and a motor oil way under the condition of not changing the control of the existing hydraulic multi-way valve and used for controlling the opening or closing of the forward and reverse oil way of the motor, so that the motor is controlled to act, the drilling operation is realized, and when the electrohydraulic reversing valve is powered on, hydraulic oil is formed by P- > A, B- > T, and the motor action is realized; when the reversing valve is not electrified, hydraulic oil directly returns to the oil tank through the port P and the port T, the motor does not act, and a control system of the device is provided by adding a small flameproof and intrinsic safety type programmable control box, so that the existing drilling machine is designed into conversion of two modes, namely a working mode and a debugging mode. When the drilling machine is in a working mode, a pressure threshold value such as 0.1MPa is set in a program through PLC statement logic programming to serve as a hydraulic precondition for allowing drilling operation of the drilling machine, namely when the pressure sensor detects that the hydraulic pressure reaches the set value such as 0.1MPa, the PLC control box acts through the intermediate relay, so that the electrohydraulic reversing valve is controlled to be electrified, hydraulic oil normally passes through the motor to realize forward and reverse rotation, drilling operation is completed, when the hydraulic pressure does not reach the set value, the electrohydraulic reversing valve does not need to be electrified, and the motor does not have oil supply and does not act, namely drilling operation cannot be completed. When the drilling machine is in a debugging mode, water pressure detection is not used as a necessary condition for drilling of the drilling machine, the electro-hydraulic reversing valve is always powered on, and the motor normally acts, so that debugging and overhauling operation is facilitated.
In the technical scheme, the main body of the tunnel drilling machine device taking the water flow signal as the base signal, the first main part, the second main part and the controller are important technical characteristics, and the tunnel drilling machine device has novelty, creativity and practicability in the technical field of the tunnel drilling machine device and the drilling method based on forced water spraying limiting fire explosion, and the terms in the technical scheme can be explained and understood by the patent literature in the technical field.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Figure 1 is a schematic view of an underground drill rig apparatus for coal mines of the present invention,
the drilling machine comprises a drilling machine body, a drilling rod, a drilling bit, a drill bit, a water injector, a three-way valve, a water pipe joint, a pressure sensor, an electro-hydraulic reversing valve, a controller, a sliding frame, a clamping device, a hydraulic chuck, a transmission, a hydraulic motor, a head rod part, a head tooth part, a rotary shaft part and a shell part.
Detailed Description
Terms such as "having," "including," and "comprising," as used herein, are to be construed as not being accompanied by the presence or addition of one or more other elements or combinations thereof, in accordance with the censoring guidelines.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the various embodiments of the invention described below may be combined with one another as long as they do not interfere with one another, and, unless otherwise specified, the equipment and materials used in the examples below are commercially available, as the process conditions are not explicitly described, with reference to the commercially available product specifications or in accordance with methods conventional in the art.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a first embodiment of an underground drill rig device for a coal mine, specifically describing the embodiment with reference to the accompanying drawings, the underground drill rig device comprises a drill rig 1, a drill rod 2, a drill bit 3, a water injector 4, a three-way valve 5, a water pipe joint 6, a pressure sensor 7, an electrohydraulic reversing valve 8 and a controller 9, wherein the drill rod 2 and the electrohydraulic reversing valve 8 are arranged on the drill rig 1, the drill bit 3 and the water injector 4 are respectively arranged on the drill rod 2 and the three-way valve 5 are respectively arranged on the water injector 4, the water pipe joint 6 and the pressure sensor 7 are respectively arranged on the three-way valve 5, and the controller 9 is arranged between the pressure sensor 7 and the electrohydraulic reversing valve 8.
In the present embodiment, the drilling machine 1 is provided to include a carriage 11, a gripper 12, a hydraulic chuck 13, a transmission 14 and a hydraulic motor 15, and the gripper 12 is provided at one end of the carriage 11, the transmission 14 is provided at the other end of the carriage 11, and an output shaft of the transmission 14 is provided to be coupled with the hydraulic chuck 13, an input shaft of the transmission 14 is provided to be coupled with an end shaft of the hydraulic motor 15, and the gripper 12 and the hydraulic chuck 13 are respectively provided to be coupled with the drill rod 2 in a penetrating manner, a hydraulic power port portion of the hydraulic motor 15 is provided to be coupled with the electrohydraulic switching valve 8, and the carriage 11, the gripper 12, the hydraulic chuck 13, the transmission 14 and the hydraulic motor 15 are provided to be distributed in a full hydraulic drilling machine manner.
Through rig 1, formed the support tie point to drilling rod 2 and electrohydraulic switching valve 8, realized being connected with drilling rod 2 by holder 12 and hydraulic chuck 13, realized being connected with electrohydraulic switching valve 8 by hydraulic motor 15, realized handling drilling rod 2's drilling operation by balladeur train 11 and derailleur 14, its technical aim is: for use as one of the components of a drilling operation.
In the present embodiment, the drill rods 2 are provided as rod-shaped bodies having through-hole bodies and one of the ends of the drill rods 2 is provided with a tapered threaded hole body, one of the other ends of the drill rods 2 is provided with a tapered threaded rod body and the adjacent two drill rods 2 are provided to be coupled to each other through the tapered threaded hole body of one of the drill rods 2 and the tapered threaded rod body of the other of the drill rods 2, the tapered threaded hole body of the drill rod 2 at one of the ends is provided to be coupled to the injector 4 and the tapered threaded rod body of the drill rod 2 at the other of the ends is provided to be coupled to the drill bit 3, the drill rod 2 is provided to be coupled to the drill 1 and the through-hole bodies of the drill rods 2 are provided to be in communication with the drill bit 3 and the injector 4, respectively.
Through drilling rod 2, formed the support tie point to rig 1, drill bit 3 and water injector 4, by drilling rod 2, realized being connected with rig 1, realized being connected with drill bit 3, realized being connected with water injector 4, its technical aim at: for use as one of the components of a drilling operation.
In the present embodiment, the drill 3 is provided to include the head shaft portion 31 and the end tooth portion 32 and water spray holes are provided at peripheral side face portions and end face portions of the head shaft portion 31, one of the end face portions of the head shaft portion 31 is provided to be coupled with the end tooth portion 32 and the other end face portion of the head shaft portion 31 is provided with a tapered screw hole body, the tapered screw hole body of the head shaft portion 31 is provided to be coupled with the drill rod 2 and the head shaft portion 31 is provided as a circular rod-like body, and the end tooth portion 32 is provided as a serration body.
Through drill bit 3, formed the support tie point to drilling rod 2, realized being connected with drilling rod 2 by drill bit 3, its technical aim at: for use as one of the components of a drilling operation.
In the present embodiment, the water injector 4 is provided as the rotation shaft portion 41 and the housing portion 42 and one of the ends of the rotation shaft portion 41 is provided as the rotary coupling with the housing portion 42, the other of the ends of the rotation shaft portion 41 is provided as the tapered threaded rod and the tapered threaded rod of the rotation shaft portion 41 is provided as the coupling with the drill rod 2, the side face portion of the housing portion 42 is provided as the coupling with the three-way valve 5 and the housing portion 42 is provided as the cylindrical body having the blind hole body, the rotation shaft portion 41 is provided as the rod body having the T-shaped hole and the T-shaped hole of the rotation shaft portion 41 is provided to communicate with the drill rod 2 and the three-way valve 5, respectively.
Through the water injector 4, the support connection point to the drill rod 2 and the three-way valve 5 is formed, the connection with the drill rod 2 is realized by the rotating shaft part 41, the connection with the three-way valve 5 is realized by the shell part 42, and the technical aim is that: for realizing the water injection treatment of the drill rod 2.
In the present embodiment, a first port portion of the three-way valve 5 is provided to be coupled with the water injector 4 and a second port portion of the three-way valve 5 is provided to be coupled with the water pipe fitting 6, and a third port portion of the three-way valve 5 is provided to be coupled with the pressure sensor 7.
Through three-way valve 5, formed the support tie point to water injector 4, water pipe head 6 and pressure sensor 7, by three-way valve 5, realized being connected with water injector 4, realized being connected with water pipe head 6, realized being connected with pressure sensor 7, its technical aim at: for acting as a support carrier for the pressure sensor 7.
In the present embodiment, the water pipe joint 6 is provided as a water pipe quick-fit joint and one of the ends of the water pipe joint 6 is provided to be coupled with the three-way valve 5, and the other of the ends of the water pipe joint 6 is provided to be coupled with an output port portion of the high-pressure water pump.
Through water pipe head 6, formed the support tie point to three-way valve 5, realized by water pipe head 6 with three-way valve 5's connection, its technical aim at: for use as a communication connection with a high pressure water pump.
In the present embodiment, the pressure sensor 7 is provided to be coupled with the three-way valve 5 and an output interface of the pressure sensor 7 is provided to be connected with the controller 9.
Through pressure sensor 7, formed the support tie point to three-way valve 5 and controller 9, realized being connected with three-way valve 5 by pressure sensor 7, realized being connected with controller 9, its technical aim at: for picking up a pressure signal of the injected high pressure water flow in the drill pipe 2.
In the present embodiment, the hydraulic output port portion of the electro-hydraulic directional valve 8 is provided to be coupled with the drill 1 and the hydraulic output port portion of the electro-hydraulic directional valve 8 is provided to be coupled with the output port portion of the high-pressure hydraulic pump, and the control interface of the electro-hydraulic directional valve 8 is provided to be connected with the controller 9.
Through electrohydraulic reversing valve 8, formed the support tie point to rig 1 and controller 9, realized being connected with rig 1 by electrohydraulic reversing valve 8, realized being connected with controller 9, its technical aim is: for controlling the operating state of the drilling machine 1.
In the present embodiment, the controller 9 is provided as a PLC controller and an input interface of the controller 9 is provided to be connected with the pressure sensor 7, and an output interface of the controller 9 is provided to be connected with the electro-hydraulic directional valve 8.
Through the controller 9, the support tie point to pressure sensor 7 and controller 9 has been formed, by controller 9, realized being connected with pressure sensor 7, realized being connected with electrohydraulic switching-over valve 8, its technical aim is: for controlling the operating state of the electrohydraulic reversing valve 8.
In this embodiment, the drill 1, the drill rod 2, the drill bit 3, the injector 4, the three-way valve 5 and the water connection 6 are distributed in a manner controlled by electric signals, along with the pressure sensor 7, the electro-hydraulic directional valve 8 and the controller 9.
In a second embodiment of the invention, the main body of the tunnel boring machine, the first main part, the second main part and the controller 9 are coupled to each other in such a way that the water flow signal is a base signal.
In this embodiment, the first main part, the second main part and the controller 9 are coupled to the main body of the tunnel boring machine in such a manner that the water flow signal is converted into an electric signal.
In this embodiment, the main body of the tunnel drilling machine is further provided with a drill rod 2, a drill bit 3, a three-way valve 5 and a water pipe joint 6.
In the present embodiment, the first main part is provided as an electrohydraulic reversing valve 8.
In the present embodiment, the second main part is provided as a pressure sensor 7.
The second embodiment of the present invention is based on the first embodiment,
the invention will be further described with reference to the following examples, which are intended to illustrate the invention and not to limit it further.
A drilling method for a coal mine tunnel drilling machine device comprises the following steps: the drill rod 2 is connected with each other to form a drill rod 2 group, the drill rod 2 is arranged in the holder 12 and the hydraulic chuck 13, water output by the high-pressure water pump is injected into the shell 42 through the water pipe connector 6, water enters the through hole body of the drill rod 2 through the T-shaped hole of the rotating shaft part 41 in the rotating shaft part 41, water is discharged into the water spraying hole of the head rod part 31 through the through hole body of the drill rod 2, water in the water spraying hole of the head rod part 31 is sprayed into a drill hole, the pressure sensor 7 picks up a water flow pressure signal in the drill rod 2, the pressure sensor 7 inputs a signal to the controller 9, the controller 9 processes water flow pressure signal data of the pressure sensor 7, when the water flow pressure in the drill rod 2 is greater than 0.1MPa, the controller 9 outputs an opening signal to the electrohydraulic reversing valve 8, the electrohydraulic reversing valve 8 is in an open state, the electrohydraulic motor 15 is communicated with the high-pressure hydraulic pump, the electrohydraulic motor 15 is in an operating state, when the water flow pressure in the drill rod 2 is less than or equal to 0.1MPa, the electrohydraulic reversing valve 8 is not in an open state.
The invention has the following characteristics:
1. due to the fact that the tunnel drilling machine device body, the first main part, the second main part and the controller 9 are designed, the water flow signal of the water injector 4 is used as a basic signal through the second main part, the control of the drilling machine 1 is achieved through the first main part and the controller 9, and the drilling operation is achieved through the tunnel drilling machine device body, so that the phenomenon of drilling operation under the condition that water is not injected is prevented, and the safety performance of the underground drilling operation of a coal mine is improved.
2. Due to the design of the pressure sensor 7, a pressure-based signal of the water flow is achieved.
3. Because the electrohydraulic reversing valve 8 is designed, the on-off control of hydraulic fluid is realized.
4. The carriage 11, the holder 12, the hydraulic chuck 13, the transmission 14 and the hydraulic motor 15 are designed to realize the full hydraulic drilling operation.
5. Because the technical characteristics of the invention are designed, the experiment shows that the performance indexes of the invention are at least 1.7 times of the existing performance indexes under the independent and mutually aggregated functions of the technical characteristics, and the invention has good market value through evaluation.
Still other technical features of the main body of the tunnel boring machine device, the first main part, the second main part and the controller 9, which are coupled with the water flow signal as the basis signal, are one of the embodiments of the present invention, and the technical features of the above-described embodiments may be arbitrarily combined, and in order to satisfy the requirements of patent laws, patent implementation details and examination guidelines, all possible combinations of the technical features of the above-described embodiments will not be described.
The above embodiment is only one implementation form of the tunnel drilling machine device and the drilling method based on forced water spraying to limit the fire explosion, and according to other variants of the scheme provided by the invention, components or steps in the tunnel drilling machine device and the drilling method are added or reduced, or the tunnel drilling machine device and the drilling method are used in other technical fields close to the tunnel drilling machine device and the drilling method, and all belong to the protection scope of the invention.
Claims (12)
1. An underground drill rig device based on forced water spray limit fire explosion, which is characterized in that: comprising an underground drill rig device body with a drill rig (1) and a water injector (4), a first main part arranged on the drill rig (1) and used for controlling the working state of the drill rig (1), a second main part arranged in the water injector (4) and used for picking up water flow signals in the water injector (4), and a controller (9) which is respectively connected with the first main part and the second main part and used for signal processing,
the main body, the first main part, the second main part and the controller (9) of the tunnel drilling machine are mutually connected in a mode of taking the water flow signal as a basis signal,
the main body of the tunnel drilling machine is provided with a drill rod (2), a drill bit (3), a three-way valve (5) and a water pipe joint (6),
the first main part is provided with an electrohydraulic reversing valve (8),
the second main part is provided as a pressure sensor (7),
the drill rod (2) and the electrohydraulic reversing valve (8) are arranged on the drill machine (1), the drill bit (3) and the water injector (4) are respectively arranged on the drill rod (2) and the three-way valve (5) is arranged on the water injector (4), the water pipe connector (6) and the pressure sensor (7) are respectively arranged on the three-way valve (5) and a controller (9) is arranged between the pressure sensor (7) and the electrohydraulic reversing valve (8),
the drilling machine (1) comprises a sliding frame (11), a clamp holder (12), a hydraulic chuck (13), a speed changer (14) and a hydraulic motor (15), wherein the clamp holder (12) is arranged at one end of the sliding frame (11), the speed changer (14) is arranged at the other end of the sliding frame (11), an output end shaft of the speed changer (14) is connected with the hydraulic chuck (13), an input end shaft of the speed changer (14) is connected with an end shaft of the hydraulic motor (15), the clamp holder (12) and the hydraulic chuck (13) are respectively connected with a drill rod (2) in a penetrating mode, a hydraulic power end part of the hydraulic motor (15) is connected with an electrohydraulic reversing valve (8), and the sliding frame (11), the clamp holder (12), the hydraulic chuck (13), the speed changer (14) and the hydraulic motor (15) are distributed in a full-hydraulic drilling machine mode.
2. The underground drill rig apparatus for limiting the occurrence of fire explosion based on forced water spray according to claim 1, wherein: the first main part, the second main part and the controller (9) are connected with the main body of the tunnel drilling machine in a mode of converting water flow signals into electric signals.
3. The underground drill rig apparatus for limiting the occurrence of fire explosion based on forced water spray according to claim 1, wherein: the drill rods (2) are arranged as rod-shaped bodies with through hole bodies, one end of each drill rod (2) is provided with a conical threaded hole body, the other end of each drill rod (2) is provided with a conical threaded rod body, two adjacent drill rods (2) are mutually connected with the conical threaded rod body of the other drill rod (2) through the conical threaded hole body of one drill rod (2), the conical threaded hole body of the drill rod (2) at one end is connected with the water injector (4), the conical threaded rod body of the drill rod (2) at the other end is connected with the drill bit (3), the drill rod (2) is connected with the drilling machine (1), and the through hole bodies of the drill rods (2) are respectively communicated with the drill bit (3) and the water injector (4).
4. The underground drill rig apparatus for limiting the occurrence of fire explosion based on forced water spray according to claim 1, wherein: the drill bit (3) is provided with a head rod part (31) and an end tooth part (32), water spraying holes are formed in the peripheral side face part and the end face part of the head rod part (31), one end face part of the head rod part (31) is connected with the end tooth part (32) and a conical threaded hole body is formed in the other end face part of the head rod part (31), the conical threaded hole body of the head rod part (31) is connected with the drill rod (2) and the head rod part (31) is a round rod-shaped body, and the end tooth part (32) is a saw-tooth body.
5. The underground drill rig apparatus for limiting the occurrence of fire explosion based on forced water spray according to claim 1, wherein: the water injector (4) is provided with a rotary shaft part (41) and a shell part (42) and one end of the rotary shaft part (41) is provided with a rotary connection with the shell part (42), the other end of the rotary shaft part (41) is provided with a conical threaded rod and the conical threaded rod of the rotary shaft part (41) is provided with a connection with a drill rod (2), the side surface part of the shell part (42) is provided with a connection with a three-way valve (5) and the shell part (42) is provided with a cylinder body with a blind hole body, the rotary shaft part (41) is provided with a rod body with a T-shaped hole, and the T-shaped hole of the rotary shaft part (41) is respectively communicated with the drill rod (2) and the three-way valve (5).
6. The underground drill rig apparatus for limiting the occurrence of fire explosion based on forced water spray according to claim 1, wherein: the first port part of the three-way valve (5) is arranged to be coupled with the water injector (4) and the second port part of the three-way valve (5) is arranged to be coupled with the water pipe joint (6), and the third port part of the three-way valve (5) is arranged to be coupled with the pressure sensor (7).
7. The underground drill rig apparatus for limiting the occurrence of fire explosion based on forced water spray according to claim 1, wherein: the water pipe connector (6) is arranged as a water pipe quick-mounting connector, one end of the water pipe connector (6) is connected with the three-way valve (5), and the other end of the water pipe connector (6) is connected with an output port of the high-pressure water pump.
8. The underground drill rig apparatus for limiting the occurrence of fire explosion based on forced water spray according to claim 1, wherein: the pressure sensor (7) is arranged to be coupled with the three-way valve (5) and the output interface of the pressure sensor (7) is arranged to be connected with the controller (9).
9. The underground drill rig apparatus for limiting the occurrence of fire explosion based on forced water spray according to claim 1, wherein: the hydraulic output port part of the electrohydraulic reversing valve (8) is connected with the drilling machine (1), the hydraulic output port part of the electrohydraulic reversing valve (8) is connected with the output port part of the high-pressure hydraulic pump, and the control interface of the electrohydraulic reversing valve (8) is connected with the controller (9).
10. The underground drill rig apparatus for limiting the occurrence of fire explosion based on forced water spray according to claim 1, wherein: the controller (9) is a PLC controller, an input interface of the controller (9) is connected with the pressure sensor (7), and an output interface of the controller (9) is connected with the electrohydraulic reversing valve (8).
11. The underground drill rig device for limiting the occurrence of fire explosion based on forced water spray according to any one of claims 1 to 10, wherein: the drilling machine (1), the drill rod (2), the drill bit (3), the water injector (4), the three-way valve (5), the water pipe connector (6), the pressure sensor (7), the electro-hydraulic reversing valve (8) and the controller (9) are distributed in a mode of being controlled according to electric signals.
12. A drilling method using the tunnel boring machine apparatus based on forced water spray restriction against fire explosion according to any one of claims 1 to 10, characterized by: the method comprises the following steps: the drill rod (2) is connected with each other to form a drill rod (2) group, the drill rod (2) is arranged in the clamp holder (12) and the hydraulic chuck (13), the high-pressure water pump outputs water flow to the shell (42) through the water pipe connector (6), the water flow enters the through hole body of the drill rod (2) through the T-shaped hole of the rotating shaft part (41), the water flow is discharged into the water spraying hole of the head rod part (31) through the through hole body of the drill rod (2), the water flow in the water spraying hole of the head rod part (31) is sprayed into a drill hole, the pressure sensor (7) picks up the water flow pressure signal in the drill rod (2), the pressure sensor (7) inputs the signal to the controller (9), the controller (9) processes the water flow pressure signal data of the pressure sensor (7), when the water flow pressure in the drill rod (2) is larger than 0.1MPa, the controller (9) outputs an opening signal to the electrohydraulic reversing valve (8), the electrohydraulic reversing valve (8) is in a state, the hydraulic motor (15) is communicated with the high-pressure water flow, the hydraulic motor (15) is in a state, the hydraulic pressure signal is not in a state of opening the electrohydraulic reversing valve (8) when the hydraulic motor (8) is in a state, the hydraulic pressure is in a state of being in which the state of being equal to the opening and the high pressure is in pressure, the hydraulic motor (15) is put into a non-working state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910820112.4A CN110424910B (en) | 2019-08-31 | 2019-08-31 | Tunnel drilling machine device and drilling method based on forced water spraying limitation of fire explosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910820112.4A CN110424910B (en) | 2019-08-31 | 2019-08-31 | Tunnel drilling machine device and drilling method based on forced water spraying limitation of fire explosion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110424910A CN110424910A (en) | 2019-11-08 |
| CN110424910B true CN110424910B (en) | 2024-03-12 |
Family
ID=68418400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910820112.4A Active CN110424910B (en) | 2019-08-31 | 2019-08-31 | Tunnel drilling machine device and drilling method based on forced water spraying limitation of fire explosion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110424910B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213647B (en) * | 2022-08-30 | 2024-02-09 | 山东兖矿智能制造有限公司 | Cutting pick molding method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202131973U (en) * | 2011-07-09 | 2012-02-01 | 平顶山冠宏矿山技术装备有限公司 | Full-hydraulic gallery drilling machine for drilling holes along soft coal layer of coal mine |
| CN203161241U (en) * | 2013-04-11 | 2013-08-28 | 淮北华博机械制造有限公司 | Trench full-hydraulic injecting-drilling integral device for coal mine |
| CN104389514A (en) * | 2014-11-15 | 2015-03-04 | 吉林大学 | High-speed large-torque full-hydraulic top drive well-drilling device |
| US9540907B1 (en) * | 2013-08-28 | 2017-01-10 | Jaco du Plessis | In-line fire control system for a hydrocarbon fluid stream |
| CN207111161U (en) * | 2017-07-19 | 2018-03-16 | 郑州煤电股份有限公司 | Comprehensively monitoring coal seam is drilled fire extinguishing device |
| CN207315228U (en) * | 2017-05-03 | 2018-05-04 | 山东祥德机电有限公司 | Coal mine full hydraulic is horizontal to slide underground drill rig |
| CN108019149A (en) * | 2017-12-19 | 2018-05-11 | 山东大学 | A kind of drilling apparatus and its method of work for TSP advance geologic predictions |
| CN109653724A (en) * | 2018-12-25 | 2019-04-19 | 中国铁建重工集团有限公司 | The control system of airborne anchor rod drilling machine |
| CN110005340A (en) * | 2019-04-17 | 2019-07-12 | 杭州临安大地规划勘测有限公司 | A kind of track-mounted drill |
| CN110145293A (en) * | 2019-06-20 | 2019-08-20 | 中国矿业大学 | A kind of Poly-generation is without well formula coal underground gasification method |
-
2019
- 2019-08-31 CN CN201910820112.4A patent/CN110424910B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202131973U (en) * | 2011-07-09 | 2012-02-01 | 平顶山冠宏矿山技术装备有限公司 | Full-hydraulic gallery drilling machine for drilling holes along soft coal layer of coal mine |
| CN203161241U (en) * | 2013-04-11 | 2013-08-28 | 淮北华博机械制造有限公司 | Trench full-hydraulic injecting-drilling integral device for coal mine |
| US9540907B1 (en) * | 2013-08-28 | 2017-01-10 | Jaco du Plessis | In-line fire control system for a hydrocarbon fluid stream |
| CN104389514A (en) * | 2014-11-15 | 2015-03-04 | 吉林大学 | High-speed large-torque full-hydraulic top drive well-drilling device |
| CN207315228U (en) * | 2017-05-03 | 2018-05-04 | 山东祥德机电有限公司 | Coal mine full hydraulic is horizontal to slide underground drill rig |
| CN207111161U (en) * | 2017-07-19 | 2018-03-16 | 郑州煤电股份有限公司 | Comprehensively monitoring coal seam is drilled fire extinguishing device |
| CN108019149A (en) * | 2017-12-19 | 2018-05-11 | 山东大学 | A kind of drilling apparatus and its method of work for TSP advance geologic predictions |
| CN109653724A (en) * | 2018-12-25 | 2019-04-19 | 中国铁建重工集团有限公司 | The control system of airborne anchor rod drilling machine |
| CN110005340A (en) * | 2019-04-17 | 2019-07-12 | 杭州临安大地规划勘测有限公司 | A kind of track-mounted drill |
| CN110145293A (en) * | 2019-06-20 | 2019-08-20 | 中国矿业大学 | A kind of Poly-generation is without well formula coal underground gasification method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110424910A (en) | 2019-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10941641B2 (en) | Long-distance drilling and hydrofracturing integrated device and method in underground mine | |
| CN103556944A (en) | Double-layer internal deslagging and anti-blocking drilling tool for soft and outburst coal seam drilling, and use method of drilling tool | |
| CN110424910B (en) | Tunnel drilling machine device and drilling method based on forced water spraying limitation of fire explosion | |
| CN110469297B (en) | Device and method for completing long-distance sieve tube in coal mine underground gas extraction directional drilling | |
| CN103643953A (en) | Deep drilling heading machine | |
| CN111188574A (en) | Intelligent drilling and cave-making integrated complete equipment for coal mine | |
| CN203716841U (en) | Double-layer internal slag discharging and plugging prevention drilling tool for soft outburst coal seam drilling | |
| CN210798887U (en) | Tunnel drilling rig device capable of limiting fire and explosion based on forced water spraying | |
| CN105003216A (en) | Orifice dust remover | |
| CN206707754U (en) | A kind of coal mine drilling water filling slag-draining device | |
| CN112983274A (en) | Rotary guide type two-stage down-the-hole hammer drill | |
| CN202176326U (en) | Mine drilling machine and automatic gas and water switching device thereof | |
| CN204252854U (en) | Water filling drill rod connector | |
| CN204851080U (en) | Mine high efficiency drilling rod | |
| CN107814101A (en) | Bunker dredging is bored with rotary digging broken arch | |
| CN104929677A (en) | Fire prevention measure rod | |
| CN104453737A (en) | Drill rod joint device | |
| CN103953290B (en) | One realizes screw connected auger stem and embraces brill reversion withdrawing device | |
| CN204098800U (en) | One realizes screw connected auger stem and embraces brill reversion withdrawing device | |
| CN215444006U (en) | Blowout preventer for underground water detecting and draining orifice | |
| CN113565485B (en) | Accurate hydraulic fracturing equipment of directional long drilling of comb formula wearing layer | |
| CN218581646U (en) | Gas and dust prevention device for gas extraction drilling construction orifice | |
| CN221423153U (en) | Novel drilling construction is prevented suddenly, is prevented spouting device | |
| CN215876036U (en) | Goaf ignition point detection and fire extinguishing equipment | |
| CN114856565B (en) | Coal seam fracturing device and fracturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |