CN108518245B - Automatic sensor lifting device for underground coal mine tunnel - Google Patents
Automatic sensor lifting device for underground coal mine tunnel Download PDFInfo
- Publication number
- CN108518245B CN108518245B CN201810447652.8A CN201810447652A CN108518245B CN 108518245 B CN108518245 B CN 108518245B CN 201810447652 A CN201810447652 A CN 201810447652A CN 108518245 B CN108518245 B CN 108518245B
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- air inlet
- inlet pipe
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- pipe
- piston
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- 239000003245 coal Substances 0.000 title abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract 4
- 210000003437 trachea Anatomy 0.000 claims description 22
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000007493 shaping process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/04—Distributing means for power supply in mines
- E21F17/10—Distributing pneumatic power; Pipe networks for compressed air
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses an automatic lifting device of a sensor for a coal mine underground roadway, which is characterized in that a piston is arranged in a cylinder, the right end of a push rod is fixedly connected with one ends of two groups of steel wire ropes, the other ends of the two groups of steel wire ropes bypass a fixed pulley and are fixedly connected with the top of the sensor, the left side and the right side of the piston on the cylinder are respectively connected with a left air inlet pipe and a right air inlet pipe in a penetrating way, the end parts of the left air inlet pipe and the right air inlet pipe are respectively connected with an air pipe in a penetrating way, thick pipes are uniformly formed on the left air inlet pipe and the right air inlet pipe, a sealing plug is arranged on the inner side of the thick pipes, the inner side of the sealing plug is fixedly connected with a movable rod, the movable rod stretches into the switch box and is fixedly connected with a sliding plate, a rotating disc is arranged at the center position of the switch box, and the edge of the rotating disc is provided with an arc-shaped bulge. The invention uses the underground air pressure pipeline as a power air source to control the left and right movement of the piston in the cylinder, thereby controlling the lifting of the sensor, completing the lifting without any electric power facilities and playing a role in saving resources.
Description
Technical Field
The invention relates to the technical field of automatic lifting devices of sensors for underground coal mine roadways, in particular to an automatic lifting device of a sensor for underground coal mine roadways.
Background
The hanging standard and the adjusting time of the sensor are definitely specified in the coal mine industry standard, the hanging device of the sensor is a device for standardizing the hanging of the sensor and facilitating adjusting staff, but the following defects still exist in the actual use process: the existing sensor hanging is various and very irregular, and is directly hung by adopting an iron wire or a thin steel wire rope, so that the hanging mode is not in compliance with the regulation, and great inconvenience is brought to the adjustment period of adjustment staff.
Disclosure of Invention
The invention aims to provide an automatic lifting device for a sensor for a coal mine underground roadway, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a colliery is sensor automatic lifting device for underworkings, includes cylinder, air cleaner and trachea, be equipped with the piston in the cylinder, the fixed push rod that is equipped with in the right side of piston, the right-hand member of push rod and the one end fixed connection of two sets of wire ropes, two sets of wire rope's the other end walks around the fixed pulley and all with the top fixed connection of sensor, lie in the left and right sides of piston on the cylinder respectively with left intake pipe and right intake pipe through connection, the tip of left intake pipe and right intake pipe all with trachea through connection, be equipped with air cleaner on the trachea, the uniform body shaping has the thick tube in left intake pipe and the right intake pipe, the inboard of thick tube is equipped with the sealing plug, the inboard and the movable rod fixed connection of sealing plug, the movable rod stretches into the inside and the slide fixed connection of switch box, the spring has been cup jointed to the inside that is located the switch box on the movable rod, the central point department of switch box is equipped with the rotating disc, the center department of rotating disc is equipped with the handle, the edge of rotating disc is equipped with the arc arch.
Preferably, the fixed pulleys are provided with four groups in total, one group is on the same horizontal line with the push rod, and the other three groups are on the same horizontal line and higher than the fixed pulleys on the same horizontal line with the push rod.
Preferably, the top of slide is curved surface structure, the inboard surface of slide is equipped with the spout, just be equipped with semicircle baffle in the spout.
Preferably, the semicircular baffle plates are provided with two groups, and the circle centers of the two groups of semicircular baffle plates are coincident with the central axis of the movable rod.
Preferably, when the arc-shaped bulge is in the horizontal position, the sealing plug is positioned in the thick pipe.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:
1. the invention uses the underground air pressure pipeline as a power air source to control the left and right movement of the piston in the air cylinder, thereby controlling the lifting of the sensor, completing the operation without any electric facilities, playing a role in saving resources and realizing sustainable development;
2. the invention adopts two groups of steel wire ropes, and improves the stability of the sensor in the lifting process.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the switch box of the present invention;
fig. 3 is a schematic structural view of the skateboard.
In the figure: the air purifier comprises an air cylinder 1, a piston 2, a push rod 3, a fixed pulley 4, a steel wire rope 5, a sensor 6, a left air inlet pipe 7, a right air inlet pipe 8, a rough pipe 9, a switch box 10, a handle 11, a sealing plug 12, a movable rod 13, an air purifying filter 14, an air pipe 15, a rotating disc 16, an arc-shaped protrusion 17, a sliding plate 18, a spring 19, a sliding chute 20 and a semicircular arc-shaped baffle 21.
Detailed Description
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.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a colliery is sensor automatic lifting device for tunnel in pit, including cylinder 1, air filter 14 and trachea 15, be equipped with piston 2 in the cylinder 1, the fixed push rod 3 that is equipped with in the right side of piston 2, the right-hand member of push rod 3 and the one end fixed connection of two sets of wire ropes 5, the other end of two sets of wire ropes 5 has walked around fixed pulley 4 and all with the top fixed connection of sensor 6, be located the left and right sides of piston 2 on the cylinder 1 respectively with left intake pipe 7 and right intake pipe 8 through connection, the tip of left intake pipe 7 and right intake pipe 8 all with trachea 15 through connection, be equipped with air filter 14 on the trachea 15, can filter the gas in the down-hole air duct, the uniform body shaping has thick pipe 9 on left intake pipe 7 and the right intake pipe 8, the inboard of thick pipe 9 is equipped with sealing plug 12, the inboard of sealing plug 12 and movable rod 13 fixed connection, the inside and slide 18 fixed connection of movable rod 13 stretches into switch box 10, the spring has been cup jointed to the inside that is located switch box 10 on the movable rod 13, the central point department of switch box 10 is equipped with rotation disc 16, rotation disc 16's central point department is equipped with handle 11, rotation disc 16's edge is equipped with arch 17.
Further, four groups of fixed pulleys 4 are arranged in total, one group is on the same horizontal line with the push rod 3, and the other three groups are on the same horizontal line and higher than the fixed pulleys 4 on the same horizontal line with the push rod 3;
further, the top of the sliding plate 18 is of a curved surface structure, a sliding groove 20 is formed in the inner side surface of the sliding plate 18, the sliding groove 20 can guide movement of the arc-shaped protrusion 17, a semicircular arc-shaped baffle 21 is arranged in the sliding groove 20, and the semicircular arc-shaped baffle 21 can position the arc-shaped baffle 17;
further, two groups of semicircular arc baffles 21 are arranged, and the circle centers of the two groups of semicircular arc baffles 21 are coincident with the central axis of the movable rod 13;
further, when the arc-shaped protrusion 17 is in the horizontal position, the sealing plug 12 is positioned in the rough pipe 9, and at this time, since the diameter of the rough pipe 9 is larger than that of the sealing plug 12, gas can enter the cylinder 1 from a gap between the sealing plug 12 and the inner wall of the rough pipe 9.
Example 1
The utility model provides a colliery is sensor automatic lifting device for tunnel in pit, including cylinder 1, air filter 14 and trachea 15, be equipped with piston 2 in the cylinder 1, the fixed push rod 3 that is equipped with in the right side of piston 2, the right-hand member of push rod 3 and the one end fixed connection of two sets of wire ropes 5, the other end of two sets of wire ropes 5 has walked around fixed pulley 4 and all with the top fixed connection of sensor 6, be located the left and right sides of piston 2 on the cylinder 1 respectively with left intake pipe 7 and right intake pipe 8 through connection, the tip of left intake pipe 7 and right intake pipe 8 all with trachea 15 through connection, be equipped with air filter 14 on the trachea 15, can filter the gas in the down-hole air duct, the uniform body shaping has thick pipe 9 on left intake pipe 7 and the right intake pipe 8, the inboard of thick pipe 9 is equipped with sealing plug 12, the inboard of sealing plug 12 and movable rod 13 fixed connection, the inside and slide 18 fixed connection of movable rod 13 stretches into switch box 10, the spring has been cup jointed to the inside that is located switch box 10 on the movable rod 13, the central point department of switch box 10 is equipped with rotation disc 16, rotation disc 16's central point department is equipped with handle 11, rotation disc 16's edge is equipped with arch 17.
Example 2
The utility model provides a colliery is sensor automatic lifting device for tunnel in pit, including cylinder 1, air filter 14 and trachea 15, be equipped with piston 2 in the cylinder 1, the fixed push rod 3 that is equipped with in the right side of piston 2, the right-hand member of push rod 3 and the one end fixed connection of two sets of wire ropes 5, the other end of two sets of wire ropes 5 has walked around fixed pulley 4 and all with the top fixed connection of sensor 6, be located the left and right sides of piston 2 on the cylinder 1 respectively with left intake pipe 7 and right intake pipe 8 through connection, the tip of left intake pipe 7 and right intake pipe 8 all with trachea 15 through connection, be equipped with air filter 14 on the trachea 15, can filter the gas in the down-hole air duct, the uniform body shaping has thick pipe 9 on left intake pipe 7 and the right intake pipe 8, the inboard of thick pipe 9 is equipped with sealing plug 12, the inboard of sealing plug 12 and movable rod 13 fixed connection, the inside and slide 18 fixed connection of movable rod 13 stretches into switch box 10, the spring has been cup jointed to the inside that is located switch box 10 on the movable rod 13, the central point department of switch box 10 is equipped with rotation disc 16, rotation disc 16's central point department is equipped with handle 11, rotation disc 16's edge is equipped with arch 17.
The fixed pulleys 4 are provided with four groups, one group is on the same horizontal line with the push rod 3, and the other three groups are on the same horizontal line and higher than the fixed pulleys 4 on the same horizontal line with the push rod 3.
Example 3
The utility model provides a colliery is sensor automatic lifting device for tunnel in pit, including cylinder 1, air filter 14 and trachea 15, be equipped with piston 2 in the cylinder 1, the fixed push rod 3 that is equipped with in the right side of piston 2, the right-hand member of push rod 3 and the one end fixed connection of two sets of wire ropes 5, the other end of two sets of wire ropes 5 has walked around fixed pulley 4 and all with the top fixed connection of sensor 6, be located the left and right sides of piston 2 on the cylinder 1 respectively with left intake pipe 7 and right intake pipe 8 through connection, the tip of left intake pipe 7 and right intake pipe 8 all with trachea 15 through connection, be equipped with air filter 14 on the trachea 15, can filter the gas in the down-hole air duct, the uniform body shaping has thick pipe 9 on left intake pipe 7 and the right intake pipe 8, the inboard of thick pipe 9 is equipped with sealing plug 12, the inboard of sealing plug 12 and movable rod 13 fixed connection, the inside and slide 18 fixed connection of movable rod 13 stretches into switch box 10, the spring has been cup jointed to the inside that is located switch box 10 on the movable rod 13, the central point department of switch box 10 is equipped with rotation disc 16, rotation disc 16's central point department is equipped with handle 11, rotation disc 16's edge is equipped with arch 17.
The fixed pulleys 4 are provided with four groups, one group is on the same horizontal line with the push rod 3, and the other three groups are on the same horizontal line and higher than the fixed pulleys 4 on the same horizontal line with the push rod 3.
The top of slide 18 is curved surface structure, and the inboard surface of slide 18 is equipped with spout 20, and spout 20 can play the guide effect to the motion of arc protruding 17, and is equipped with semicircle arc baffle 21 in the spout 20, and semicircle arc baffle 21 can fix a position arc baffle 17.
Example 4
The utility model provides a colliery is sensor automatic lifting device for tunnel in pit, including cylinder 1, air filter 14 and trachea 15, be equipped with piston 2 in the cylinder 1, the fixed push rod 3 that is equipped with in the right side of piston 2, the right-hand member of push rod 3 and the one end fixed connection of two sets of wire ropes 5, the other end of two sets of wire ropes 5 has walked around fixed pulley 4 and all with the top fixed connection of sensor 6, be located the left and right sides of piston 2 on the cylinder 1 respectively with left intake pipe 7 and right intake pipe 8 through connection, the tip of left intake pipe 7 and right intake pipe 8 all with trachea 15 through connection, be equipped with air filter 14 on the trachea 15, can filter the gas in the down-hole air duct, the uniform body shaping has thick pipe 9 on left intake pipe 7 and the right intake pipe 8, the inboard of thick pipe 9 is equipped with sealing plug 12, the inboard of sealing plug 12 and movable rod 13 fixed connection, the inside and slide 18 fixed connection of movable rod 13 stretches into switch box 10, the spring has been cup jointed to the inside that is located switch box 10 on the movable rod 13, the central point department of switch box 10 is equipped with rotation disc 16, rotation disc 16's central point department is equipped with handle 11, rotation disc 16's edge is equipped with arch 17.
The fixed pulleys 4 are provided with four groups, one group is on the same horizontal line with the push rod 3, and the other three groups are on the same horizontal line and higher than the fixed pulleys 4 on the same horizontal line with the push rod 3.
The top of slide 18 is curved surface structure, and the inboard surface of slide 18 is equipped with spout 20, and spout 20 can play the guide effect to the motion of arc protruding 17, and is equipped with semicircle arc baffle 21 in the spout 20, and semicircle arc baffle 21 can fix a position arc baffle 17.
The semicircular arc baffles 21 are provided with two groups, and the circle centers of the two groups of semicircular arc baffles 21 are coincident with the central axis of the movable rod 13.
Example 5
The utility model provides a colliery is sensor automatic lifting device for tunnel in pit, including cylinder 1, air filter 14 and trachea 15, be equipped with piston 2 in the cylinder 1, the fixed push rod 3 that is equipped with in the right side of piston 2, the right-hand member of push rod 3 and the one end fixed connection of two sets of wire ropes 5, the other end of two sets of wire ropes 5 has walked around fixed pulley 4 and all with the top fixed connection of sensor 6, be located the left and right sides of piston 2 on the cylinder 1 respectively with left intake pipe 7 and right intake pipe 8 through connection, the tip of left intake pipe 7 and right intake pipe 8 all with trachea 15 through connection, be equipped with air filter 14 on the trachea 15, can filter the gas in the down-hole air duct, the uniform body shaping has thick pipe 9 on left intake pipe 7 and the right intake pipe 8, the inboard of thick pipe 9 is equipped with sealing plug 12, the inboard of sealing plug 12 and movable rod 13 fixed connection, the inside and slide 18 fixed connection of movable rod 13 stretches into switch box 10, the spring has been cup jointed to the inside that is located switch box 10 on the movable rod 13, the central point department of switch box 10 is equipped with rotation disc 16, rotation disc 16's central point department is equipped with handle 11, rotation disc 16's edge is equipped with arch 17.
The fixed pulleys 4 are provided with four groups, one group is on the same horizontal line with the push rod 3, and the other three groups are on the same horizontal line and higher than the fixed pulleys 4 on the same horizontal line with the push rod 3.
The top of slide 18 is curved surface structure, and the inboard surface of slide 18 is equipped with spout 20, and spout 20 can play the guide effect to the motion of arc protruding 17, and is equipped with semicircle arc baffle 21 in the spout 20, and semicircle arc baffle 21 can fix a position arc baffle 17.
The semicircular arc baffles 21 are provided with two groups, and the circle centers of the two groups of semicircular arc baffles 21 are coincident with the central axis of the movable rod 13.
When the arc-shaped protrusion 17 is in the horizontal position, the sealing plug 12 is positioned in the rough pipe 9, and at this time, since the diameter of the rough pipe 9 is larger than that of the sealing plug 12, gas can enter the cylinder 1 from the gap between the sealing plug 12 and the inner wall of the rough pipe 9.
Working principle: in the use process of the invention, if the sensor 6 is required to be lowered, the rotating disc 16 in the switch box 10 is rotated leftwards through the handle 11, at the moment, the arc-shaped bulge 17 on the rotating disc 16 pushes the sealing plug 12 fixedly connected with the movable rod 13 leftwards through the extrusion sliding plate 18 and is positioned in the thick pipe 9 on the left air inlet pipe 7, at the moment, air entering from the air pipe 15 enters the left side of the piston 2 from a gap between the sealing plug 12 and the inner wall of the thick pipe 9, and gradually fills the left inner space of the piston 2, so that the piston is pushed to move rightwards, the sensor 6 is lowered under the self gravity, when the sensor 6 is required to be raised, the rotating disc 16 in the switch box 10 is rotated rightwards through the handle 11, at the moment, the arc-shaped bulge 17 on the rotating disc 16 pushes the sealing plug 12 fixedly connected with the movable rod 13 rightwards through the extrusion sliding plate 18 and is positioned in the thick pipe 9 on the right air inlet pipe 7, at the moment, and the air entering from the air pipe 15 enters the right side of the piston 2 from a gap between the sealing plug 12 and the inner wall of the thick pipe 9, and pushes the piston 2 leftwards, so that the sensor 6 is pushed to move upwards, and is suitable for popularization.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a colliery is sensor automatic lifting device for tunnel in pit, includes cylinder (1), air cleaner (14) and trachea (15), its characterized in that: the cylinder (1) is internally provided with a piston (2), the right side of the piston (2) is fixedly provided with a push rod (3), the right end of the push rod (3) is fixedly connected with one ends of two groups of steel wire ropes (5), the other ends of the two groups of steel wire ropes (5) bypass a fixed pulley (4) and are fixedly connected with the top of a sensor (6), the left side and the right side of the cylinder (1) which are positioned on the piston (2) are respectively connected with a left air inlet pipe (7) and a right air inlet pipe (8) in a penetrating way, the end parts of the left air inlet pipe (7) and the right air inlet pipe (8) are respectively connected with an air pipe (15) in a penetrating way, an air cleaner (14) is arranged on the air pipe (15), the left air inlet pipe (7) and the right air inlet pipe (8) are uniformly formed with a thick pipe (9), the inner side of the thick pipe (9) is provided with a sealing plug (12), the inner side of the sealing plug (12) is fixedly connected with a movable rod (13), the movable rod (13) stretches into the switch box (10) and is fixedly connected with a sliding plate (18), a spring is sleeved on the movable rod (13) and positioned in the switch box (10), a rotating disc (16) is arranged at the central position of the switch box (10), a handle (11) is arranged at the central position of the rotating disc (16), an arc-shaped bulge (17) is arranged at the edge of the rotary disc (16); the fixed pulleys (4) are provided with four groups in total, one group is on the same horizontal line with the push rod (3), and the other three groups are on the same horizontal line and higher than the fixed pulleys (4) on the same horizontal line with the push rod (3); the top of the sliding plate (18) is of a curved surface structure, a sliding groove (20) is formed in the inner side surface of the sliding plate (18), and a semicircular baffle (21) is arranged in the sliding groove (20); the two groups of semicircular arc baffles (21) are arranged in total, and the circle centers of the two groups of semicircular arc baffles (21) are coincident with the central axis of the movable rod (13); when the arc-shaped bulge (17) is in the horizontal position, the sealing plug (12) is positioned in the thick pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447652.8A CN108518245B (en) | 2018-05-11 | 2018-05-11 | Automatic sensor lifting device for underground coal mine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447652.8A CN108518245B (en) | 2018-05-11 | 2018-05-11 | Automatic sensor lifting device for underground coal mine tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108518245A CN108518245A (en) | 2018-09-11 |
| CN108518245B true CN108518245B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810447652.8A Active CN108518245B (en) | 2018-05-11 | 2018-05-11 | Automatic sensor lifting device for underground coal mine tunnel |
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| CN (1) | CN108518245B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0357214A2 (en) * | 1988-07-22 | 1990-03-07 | The Henderson Group Limited | An opening and closing assembly for a sectional up and over panel |
| CN202611681U (en) * | 2012-06-01 | 2012-12-19 | 安徽恒源煤电股份有限公司 | Lifting device for coal mine downhole detecting instrument |
| CN103670480A (en) * | 2013-12-26 | 2014-03-26 | 中国矿业大学 | Intelligent adjusting device of underground coal mine air window |
| CN104502160A (en) * | 2014-12-19 | 2015-04-08 | 河南中煤电气有限公司 | Harmful gas acquiring and detecting instrument matched with robot for use |
| CN204477428U (en) * | 2014-12-19 | 2015-07-15 | 天津市金正阀门有限公司 | A kind of manually-operated gate |
| CN205916932U (en) * | 2016-08-26 | 2017-02-01 | 永城煤电控股集团有限公司 | Hand over -and -under type coal mine tunnel environment monitoring sensor cable suspension device |
| CN208441891U (en) * | 2018-05-11 | 2019-01-29 | 河南中煤电气有限公司 | A kind of coal mine down-hole tunnel sensor apparatus for automatically lifting |
-
2018
- 2018-05-11 CN CN201810447652.8A patent/CN108518245B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0357214A2 (en) * | 1988-07-22 | 1990-03-07 | The Henderson Group Limited | An opening and closing assembly for a sectional up and over panel |
| CN202611681U (en) * | 2012-06-01 | 2012-12-19 | 安徽恒源煤电股份有限公司 | Lifting device for coal mine downhole detecting instrument |
| CN103670480A (en) * | 2013-12-26 | 2014-03-26 | 中国矿业大学 | Intelligent adjusting device of underground coal mine air window |
| CN104502160A (en) * | 2014-12-19 | 2015-04-08 | 河南中煤电气有限公司 | Harmful gas acquiring and detecting instrument matched with robot for use |
| CN204477428U (en) * | 2014-12-19 | 2015-07-15 | 天津市金正阀门有限公司 | A kind of manually-operated gate |
| CN205916932U (en) * | 2016-08-26 | 2017-02-01 | 永城煤电控股集团有限公司 | Hand over -and -under type coal mine tunnel environment monitoring sensor cable suspension device |
| CN208441891U (en) * | 2018-05-11 | 2019-01-29 | 河南中煤电气有限公司 | A kind of coal mine down-hole tunnel sensor apparatus for automatically lifting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108518245A (en) | 2018-09-11 |
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