CN210239739U - Novel two-prevention one-prevention drilling machine - Google Patents
Novel two-prevention one-prevention drilling machine Download PDFInfo
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- CN210239739U CN210239739U CN201920861323.8U CN201920861323U CN210239739U CN 210239739 U CN210239739 U CN 210239739U CN 201920861323 U CN201920861323 U CN 201920861323U CN 210239739 U CN210239739 U CN 210239739U
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Abstract
Novel two prevent rig in advance, including hydraulic support, PLC controller and circular arc section annular connecting plate, sliding connection has rig body and holder on the hydraulic support, the right-hand member portion of rig body is provided with the chuck, the holder is located the chuck right-hand side, PLC controller and this body coupling of rig, the centre gripping has the drilling rod in chuck and the holder, the drill bit is installed to the drilling rod right-hand member, circular arc section annular connecting plate fixed connection is on the coal wall, the drill bit creeps into towards the inside coal wall of circular arc section annular connecting plate, the lower part of circular arc section annular connecting plate is equipped with the breach, install gas sensor and coal dust sensor on the circular arc section annular connecting plate, be provided with first infrared control system between chuck and the holder, be provided with second infrared control system between holder and the circular arc section annular connecting plate, gas sensor and coal dust sensor all are. The utility model relates to a science, prevent the emergence, safe and reliable, avoid casualties or drilling rod impaired of gas and coal dust explosion accident.
Description
Technical Field
The utility model relates to a colliery gas drainage technical field, specific theory relates to a novel two prevent rig in advance.
Background
China is the biggest raw coal producing country and consuming country in the world, and is also the most frequent country of various mine disasters. In various coal mine disasters, gas disasters are serious, and huge economic losses and severe social influences are caused. Meanwhile, coal bed gas (coal bed methane) is also a clean energy source, and has wide development prospect.
In coal accidents in China, the proportion of coal and gas outburst accidents is large, gas extraction is an effective treatment means at present, and a drilling machine commonly adopted in the current underground coal mine gas extraction drilling construction has certain defects and great potential safety hazards, and the method specifically comprises the following three points: (1) the existing drilling machine is low in safety factor and has great danger in the operation process, for example, the drilling machine needs to be manually operated to go up and down a drill rod, and handles such as rotation, propulsion and the like are operated in a close range to drill, so that the labor intensity is high, the drilling machine is easy to damage when misoperation occurs, even safety accidents occur, and casualties are caused; (2) during the drilling process, gas overrun frequently occurs around the drill hole, when the gas is accumulated to a certain concentration, disasters such as explosion, fire and the like are easily caused, and great casualties and inestimable economic loss are brought to the coal mine; (3) in the drilling process, a large amount of coal dust can be generated, on one hand, when the coal dust is gathered to a certain concentration, coal dust explosion can be caused, on the other hand, the construction environment is poor, workers can suck a large amount of coal dust in the drilling process, the body health of miners is influenced, even pneumoconiosis can be formed, the coal dust is accumulated on drilling machine equipment, the good operation of the drilling machine is influenced, and the service life of the drilling machine is shortened.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a design science, prevent the emergence of gas and coal dust explosion accident, safe and reliable, avoid casualties or the impaired novel two of drilling rod prevent the rig in advance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the novel two-prevention drilling machine comprises a hydraulic support, a PLC (programmable logic controller) and an annular connecting plate of an arc section, wherein the hydraulic support is connected with a drilling machine body and a clamp holder in a sliding manner along the left-right direction, the right end part of the drilling machine body is provided with a chuck, the clamp holder is positioned right to the chuck, the hydraulic support is arranged in a roadway and positioned on the left side of the coal wall, the PLC is fixedly arranged on a shell of the drilling machine body and connected with the drilling machine body through a control cable, a drill rod arranged along the left-right direction along the length direction is clamped in the chuck and the clamp holder, the right end of the drill rod is provided with a drill bit, the annular connecting plate of the arc section is fixedly connected to the coal wall through a plurality of anchor rods, the inner diameter of the annular connecting plate of the arc section is larger than the maximum rotary diameter of, the lower part of circular arc section annular connecting plate is equipped with the breach, the breach is located the drilling rod below, the left fixed surface of circular arc section annular connecting plate installs the gas sensor who is used for real time monitoring gas concentration and the coal dust sensor who is used for real time monitoring coal dust concentration, be provided with first infrared control system between chuck and the holder, be provided with second infrared control system between holder and the circular arc section annular connecting plate, gas sensor and coal dust sensor all pass through wireless signal transmission with the PLC controller and are connected.
First infrared control system is including the first infrared emitter and the first infrared receiver that all are located the drilling rod top, and first infrared emitter fixed mounting is on the right surface of chuck, and first infrared receiver fixed mounting is on the left surface of holder, and first infrared emitter and first infrared receiver correspond the setting along left right direction, and first infrared receiver passes through wireless signal transmission control with the PLC controller and is connected.
The second infrared control system comprises a second infrared transmitter and a second infrared receiver which are both located above the drill rod, the second infrared transmitter is fixedly mounted on the right surface of the clamping device, the second infrared receiver is fixedly mounted on the left surface of the circular arc section annular connecting plate, the second infrared transmitter and the second infrared receiver are horizontally arranged in a corresponding mode in the left-right direction, and the second infrared receiver is connected with the PLC in a wireless signal transmission control mode.
The outside of PLC controller is installed the dust cover, and the dust cover passes through the mounting screw on the shell of rig body.
The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model discloses a rig body opens through PLC controller control and stops, through a plurality of stock fixedly connected with circular arc section annular connecting plate on the coal wall, the left fixed surface of circular arc section annular connecting plate installs the gas sensor who is used for real time monitoring gas concentration and the coal dust sensor who is used for real time monitoring coal dust concentration, coal dust concentration and gas concentration are transfinited when the drilling of coal wall is around, gas sensor and coal dust sensor are with signal wireless transmission to PLC controller, the PLC controller sends the instruction of cutting off rig body power, thereby control rig body stop work, prevent the emergence of gas and coal dust explosion accident, safety and reliability, and avoid workman operational environment to continuously worsen.
The first infrared emitter is fixedly arranged on the right surface of the chuck, the first infrared receiver is fixedly arranged on the left surface of the holder, the first infrared emitter and the first infrared receiver are horizontally and correspondingly arranged along the left-right direction, the second infrared emitter is fixedly arranged on the right surface of the holder, the second infrared receiver is fixedly arranged on the left surface of the circular arc section annular connecting plate, the second infrared emitter and the second infrared receiver are horizontally and correspondingly arranged along the left-right direction, and the first infrared receiver and the second infrared receiver are both connected with the PLC controller, so that the first infrared emitter and the first infrared receiver can monitor the space area between the chuck and the holder, the second infrared emitter and the second infrared receiver can monitor the space area between the holder and the circular arc section annular connecting plate, when foreign matters are positioned between the chuck and the holder or between the holder and the circular arc section annular connecting plate, just can cut off the infrared ray transmission between first infrared emitter and the first infrared receiver and between second infrared emitter and the second infrared receiver, when first infrared receiver or second infrared receiver can not receive infrared signal, first infrared receiver or second infrared receiver will cut off signal and pass to the PLC controller, the PLC controller sends the instruction that cuts off rig body power, the rig body cuts off the power at once, thereby control rig body stop work, avoid workman's maloperation and contact drilling rod, cause the casualties, and avoid the drilling rod to receive the damage.
When the drilling machine body works, pulverized coal flowing out of the drill hole in the coal wall can flow out of the notch in the lower part of the circular arc section annular connecting plate, and normal operation of the first infrared transmitter, the first infrared receiver, the second infrared transmitter and the second infrared receiver cannot be influenced.
The externally mounted of PLC controller has the dust cover, can prevent dust, can not influence the wireless signal transmission between PLC controller and gas sensor, coal dust sensor, first infrared receiver and the second infrared receiver moreover.
Thereby play the effect of "two prevent in advance" one, the utility model discloses a "two prevent in advance" mean: coal dust concentration overrun early warning, gas concentration overrun early warning and prevent operation accidental injury.
The utility model has the advantages of scientific design, prevention of gas and coal dust explosion accidents, safety, reliability, avoidance of casualties or damage of drill rods.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic view of the circular arc section annular connecting plate of the utility model installed on the coal wall.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in figures 1 and 2, the novel two-prevention drilling machine comprises a hydraulic support 1, a PLC (programmable logic controller) 3 and an arc section annular connecting plate 6, wherein the hydraulic support 1 is connected with a drilling machine body 2 and a clamp 5 in a left-right direction in a sliding manner, the right end part of the drilling machine body 2 is provided with a chuck 4, the clamp 5 is positioned right to the chuck 4, the hydraulic support 1 is arranged in a roadway and positioned on the left side of a coal wall 7, the PLC 3 is fixedly arranged on the shell of the drilling machine body 2 and connected with the drilling machine body 2 through a control cable, a drill rod 16 arranged in the left-right direction in the length direction is clamped in the chuck 4 and the clamp 5, the right end of the drill rod 16 is provided with a drill bit, the arc section annular connecting plate 6 is fixedly connected on the coal wall 7 through a plurality of anchor rods 8, the inner diameter of the arc section annular connecting plate 6 is larger than the maximum rotary diameter of, the drill bit drills towards the coal wall 7 inside the circular arc section annular connecting plate 6, the lower part of the circular arc section annular connecting plate 6 is provided with a notch 9, the notch 9 is located below the drill rod 16, the left surface of the circular arc section annular connecting plate 6 is fixedly provided with a gas sensor 10 for monitoring gas concentration in real time and a coal dust sensor 11 for monitoring coal dust concentration in real time, a first infrared control system is arranged between the chuck 4 and the holder 5, a second infrared control system is arranged between the holder 5 and the circular arc section annular connecting plate 6, the gas sensor 10, the coal dust sensor 11 is connected with the PLC 3 through wireless signal transmission control.
First infrared control system includes first infrared emitter 12 and first infrared receiver 13 that all are located drilling rod 16 top, and first infrared emitter 12 fixed mounting is on the right surface of chuck 4, and first infrared receiver 13 fixed mounting is on the left surface of holder 5, and first infrared emitter 12 and first infrared receiver 13 correspond the setting along left right direction, and first infrared receiver 13 passes through wireless signal transmission control with PLC controller 3 and is connected.
The second infrared control system comprises a second infrared transmitter 14 and a second infrared receiver 15 which are both located above the drill rod 16, the second infrared transmitter 14 is fixedly installed on the right surface of the clamp holder 5, the second infrared receiver 15 is fixedly installed on the left surface of the circular arc section annular connecting plate 6, the second infrared transmitter 14 and the second infrared receiver 15 are horizontally and correspondingly arranged in the left-right direction, and the second infrared receiver 15 is connected with the PLC 3 in a wireless signal transmission control mode.
The PLC controller 3 is externally provided with a dust cover which is arranged on the shell of the drilling machine body 2 through screws.
The utility model discloses a rig body 2 opens through 3 controls of PLC controller and stops, 8 fixedly connected with circular arc section annular connecting plates 6 through a plurality of stock on coal wall 7, the left fixed surface of circular arc section annular connecting plates 6 installs the gas sensor 10 that is used for real time monitoring gas concentration and the coal dust sensor 11 that is used for real time monitoring coal dust concentration, coal dust concentration and gas concentration exceed the time limit around the drilling of coal wall 7, gas sensor 10 and coal dust sensor 11 are with signal wireless transmission to PLC controller 3, PLC controller 3 sends the instruction of cutting off rig body 2 power, thereby control rig body 2 stop work, prevent the emergence of gas and coal dust explosion accident, safety and reliability, and avoid workman operational environment to continuously worsen.
The first infrared emitter 12 is fixedly arranged on the right surface of the chuck 4, the first infrared receiver 13 is fixedly arranged on the left surface of the clamp holder 5, the first infrared emitter 12 and the first infrared receiver 13 are horizontally and correspondingly arranged along the left-right direction, the second infrared emitter 14 is fixedly arranged on the right surface of the clamp holder 5, the second infrared receiver 15 is fixedly arranged on the left surface of the circular arc section annular connecting plate 6, the second infrared emitter 14 and the second infrared receiver 15 are horizontally and correspondingly arranged along the left-right direction, and the first infrared receiver 13 and the second infrared receiver 15 are both connected with the PLC 3, so that the first infrared emitter 12 and the first infrared receiver 13 can monitor the space area between the chuck 4 and the clamp holder 5, the second infrared emitter 14 and the second infrared receiver 15 can monitor the space area between the clamp holder 5 and the circular arc section annular connecting plate 6, when a foreign matter is located in a space area between the chuck 4 and the holder 5 or between the holder 5 and the circular arc section annular connecting plate 6, infrared transmission between the first infrared transmitter 12 and the first infrared receiver 13 and between the second infrared transmitter 14 and the second infrared receiver 15 can be cut off, when the infrared signal cannot be received by the first infrared receiver 13 or the second infrared receiver 15, the cut-off signal is transmitted to the PLC 3 by the first infrared receiver 13 or the second infrared receiver 15, the PLC 3 sends out an instruction for cutting off the power supply of the drilling machine body 2, the drilling machine body 2 immediately cuts off the power supply, so that the drilling machine body 2 is controlled to stop working, the phenomenon that a worker is in misoperation to contact with the drilling rod 16 to cause casualties is avoided, and the drilling rod 16 is prevented from being damaged.
When the drilling machine body 2 works, pulverized coal flowing out of the drill hole of the coal wall 7 can flow out of the notch 9 at the lower part of the circular arc section annular connecting plate 6, and the normal operation of the first infrared emitter 12, the first infrared receiver 13, the second infrared emitter 14 and the second infrared receiver 15 cannot be influenced.
The PLC controller 3 is externally provided with a dust cover, so that dust can be prevented, and wireless signal transmission between the PLC controller 3 and the gas sensor 10, the coal dust sensor 11, the first infrared receiver 13 and the second infrared receiver 15 is not influenced.
Thereby play the effect of "two prevent in advance" one, the utility model discloses a "two prevent in advance" mean: coal dust concentration overrun early warning, gas concentration overrun early warning and prevent operation accidental injury.
The utility model has the advantages of scientific design, prevention of gas and coal dust explosion accidents, safety, reliability, avoidance of casualties or damage of drill rods.
The above embodiments are only used for illustrating but not limiting the technical solution of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that; the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (4)
1. Novel two prevent rig in advance, including hydraulic support and along controlling direction sliding connection rig body and holder on hydraulic support, the right-hand member portion of rig body is provided with the chuck, and the holder is located the chuck right-hand, and hydraulic support sets up in the tunnel and is located the left side of coal wall, its characterized in that: the coal wall drilling machine also comprises a PLC and an arc section annular connecting plate, wherein the PLC is fixedly arranged on a shell of the drilling machine body and is connected with the drilling machine body through a control cable, a drill rod arranged along the left-right direction in the length direction is clamped in a chuck and a clamp, a drill bit is arranged at the right end of the drill rod, the arc section annular connecting plate is fixedly connected on a coal wall through a plurality of anchor rods, the inner diameter of the arc section annular connecting plate is larger than the maximum rotary diameter of the drill bit, the center lines of the drill rod, the chuck, the clamp and the arc section annular connecting plate are overlapped, the drill bit drills towards the coal wall in the arc section annular connecting plate, a notch is arranged at the lower part of the arc section annular connecting plate and is positioned below the drill rod, a gas sensor for monitoring the gas concentration in real time and a coal dust sensor for monitoring the coal dust concentration in real time, and a second infrared control system is arranged between the clamp holder and the circular arc section annular connecting plate, and the gas sensor and the coal dust sensor are connected with the PLC through wireless signal transmission.
2. The new type two-prevention drilling machine according to claim 1, characterized in that: first infrared control system is including the first infrared emitter and the first infrared receiver that all are located the drilling rod top, and first infrared emitter fixed mounting is on the right surface of chuck, and first infrared receiver fixed mounting is on the left surface of holder, and first infrared emitter and first infrared receiver correspond the setting along left right direction, and first infrared receiver passes through wireless signal transmission control with the PLC controller and is connected.
3. The new type two-prevention drilling machine according to claim 1, characterized in that: the second infrared control system comprises a second infrared transmitter and a second infrared receiver which are both located above the drill rod, the second infrared transmitter is fixedly mounted on the right surface of the clamping device, the second infrared receiver is fixedly mounted on the left surface of the circular arc section annular connecting plate, the second infrared transmitter and the second infrared receiver are horizontally arranged in a corresponding mode in the left-right direction, and the second infrared receiver is connected with the PLC in a wireless signal transmission control mode.
4. The new type two-prevention drilling machine according to claim 1, characterized in that: the outside of PLC controller is installed the dust cover, and the dust cover passes through the mounting screw on the shell of rig body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920861323.8U CN210239739U (en) | 2019-06-10 | 2019-06-10 | Novel two-prevention one-prevention drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920861323.8U CN210239739U (en) | 2019-06-10 | 2019-06-10 | Novel two-prevention one-prevention drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210239739U true CN210239739U (en) | 2020-04-03 |
Family
ID=69974721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920861323.8U Expired - Fee Related CN210239739U (en) | 2019-06-10 | 2019-06-10 | Novel two-prevention one-prevention drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210239739U (en) |
-
2019
- 2019-06-10 CN CN201920861323.8U patent/CN210239739U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |