CN115653692A - Automatic alarm device for coal mine - Google Patents
Automatic alarm device for coal mine Download PDFInfo
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- CN115653692A CN115653692A CN202211576961.8A CN202211576961A CN115653692A CN 115653692 A CN115653692 A CN 115653692A CN 202211576961 A CN202211576961 A CN 202211576961A CN 115653692 A CN115653692 A CN 115653692A
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Abstract
The invention discloses an automatic alarm device for a coal mine, which relates to the technical field of coal mine safety devices and comprises a protection assembly for protecting workers when a coal mine collapse accident occurs, wherein the upper end of the protection assembly is in contact with the top of the coal mine, a lower end worker protection support is opened through the extrusion of ores when the collapse occurs, and meanwhile, an alarm signal is sent to enable rescue workers to quickly find a collapse position.
Description
Technical Field
The invention relates to the technical field of coal mine safety devices, in particular to an automatic alarm device for a coal mine.
Background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into miners and opencast mines. When the coal layer is far away from the ground surface, a tunnel is usually dug to the underground to mine the coal, which is a mineworker coal mine. When the coal seam is very close to the earth's surface, the earth's surface layer is usually directly stripped to excavate coal, which is an open pit coal mine.
In 2021, accidents 356 occurred in mines all over the country, wherein coal mine accidents 91 occurred and the coal mine accidents were more in reason, for example: roof accidents, gas dust, gas ejection, fire disasters in pits and the like, the roof disasters are the most common and most easily-occurring accidents in coal mines, and a device which can give an alarm for the accidents in the coal mines and has the functions of protecting workers and preventing disasters is urgently needed to be designed.
The Chinese invention patent with the publication number CN106246218B discloses a coal mine accident environment monitoring and rescuing system, which comprises a rescuing vehicle; the rescue vehicle is provided with a monitoring unit and an alarm unit; the monitoring unit comprises a camera; the alarm unit comprises an alarm; the rescue vehicle comprises a vehicle body, a vehicle window and a vehicle door are arranged on the side surface of the vehicle body, wheels are arranged at the bottom of the vehicle body, the wheels comprise front wheels and rear wheels, the number of the front wheels is two, a front axle is connected between the two front wheels, and the front axle is connected with the bottom of the vehicle body through a front suspension; the device can not realize effective rescue in the mine hole when accidents occur or are happening in the mine hole, and can not perform rescue alarm when other dangerous accidents such as fire, gas blowout and the like occur in the mine hole.
Disclosure of Invention
In view of the problems in the prior art, the invention provides an automatic alarm device for a coal mine.
Aiming at the technical problems, the invention adopts the technical scheme that: the utility model provides an automatic alarm device for coal mine, includes two sets of protection subassemblies, is provided with fire control subassembly and gas alarm subassembly on the protection subassembly, the protection subassembly include the base, the base on be provided with the fixed column, the fixed column on be provided with support column and ring gear, fixed column and support column pass through ceramic column and fix, the support column on be provided with the backup pad, two sets of protection subassemblies pass through wire rope and connect, the protection subassembly on still include the folding mechanism who is used for protecting the workman, the fire control subassembly including installing the rotating turret on the fixed column, the rotating turret lower extreme be provided with the rotation motor, be provided with transmitting gear on the rotation motor output shaft, transmitting gear and ring gear meshing, the rotating turret on be provided with swing mechanism, swing mechanism include the multiunit sprinkler bead, gas alarm subassembly including installing the rose box in the backup pad, the rose box on be provided with the aspiration pump, rose box inside be provided with strike off the mechanism.
Furthermore, the protection assembly further comprises a first electric cylinder installed on the base, a driving plate and a fixing plate are arranged at the movable end of the first electric cylinder, a second drill bit is arranged on the fixing plate, an inclined plate is arranged on the base in a sliding mode, a first drill bit is arranged on the inclined plate, and a second spring is arranged between the inclined plate and the fixing column.
Furthermore, the inclined plate is provided with an inclined plane at one end close to the drive plate, the inclined plane on the inclined plate is attached to the drive plate, and the first drill bit and the second drill bit are both provided with a drive source.
Furthermore, the fixed column internal rotation be provided with lifting gear, the support column one end that is close to the base be provided with the rack, rack and lifting gear meshing, lifting gear's axis of rotation with stir the pole and pass through the integral key shaft and be connected, stir the pole intermittent type and inject in lifting gear's axis of rotation, the backup pad on slide and be provided with multiunit fore-set.
Furthermore, the rack, the lifting gear and the ceramic column are all made of ceramic materials and are broken when being impacted.
Further, folding mechanism include two sets of slidable mounting and promote the piece at the fixed column side, promote piece and fixed column between be provided with spring one, the fixed column on rotate and be provided with baffle one, baffle one on rotate and be provided with baffle two, promote the piece on be provided with the stopper, baffle one on be provided with the sliding tray, stopper and the laminating of the sliding tray on the baffle one.
Further, swing mechanism including installing motor one and electric jar two on the rotating turret, be provided with the arc swinging arms on the output shaft of motor one, the slip is provided with the sliding block on the arc swinging arms, the rotating turret on rotate and be provided with the swing post, be provided with the swing case on the swing post, the swing case on be provided with the multiunit sprinkler bead, the sliding block one end of keeping away from the arc swinging arms rotate and be provided with the connecting block, the connecting block rotate with the swing post and be connected.
Further, the expansion end and the adjustable ring laminating of electricity jar two, the axis of rotation of adjustable ring and arc swinging arms pass through the splined shaft and be connected, the sliding block on be provided with spliced pole one, the arc swinging arms on be provided with spliced pole two, the adjustable ring on be provided with spliced pole three, spliced pole two on rotate and be provided with the right angle regulating plate, three sliding connection of right angle regulating plate one end and spliced pole, the right angle regulating plate other end and a spliced pole sliding connection.
Further, strike off the mechanism including installing motor two on the rose box, be provided with the lead screw on the output shaft of motor two, the slip is provided with on the rose box and strikes off the board, the lead screw with strike off the board and pass through threaded connection, rose box inside is provided with gas detection appearance, first cavity and multiunit filter screen, strike off board intermittent type and filter screen laminating.
Furthermore, the protection assembly, the fire-fighting assembly and the gas alarm assembly are all provided with signal source emitters.
Compared with the prior art, the invention has the beneficial effects that: (1) According to the mine cave collapse alarm device, the alarm can be given to the specific position of the collapse of the mine cave through the arranged protection assembly, the protection capability of personnel is improved, and meanwhile, the protection assembly can prevent broken stones from falling to cause injury to the personnel through the steel wire rope; (2) The fire fighting assembly provided by the invention can drive the sprinkler head to swing, and can control the swing amplitude of the sprinkler head, so that the fire fighting efficiency is improved; (3) The gas alarm assembly provided by the invention can be used for detecting the gas concentration in the mine hole, and detecting air after filtering air with dust in the mine hole, so that the accuracy of detecting the gas concentration is improved.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural diagram of the protection component of the present invention.
Fig. 4 is an enlarged view of a structure shown in fig. 3.
Fig. 5 is a sectional view showing the structure of the protective assembly of the present invention.
Fig. 6 is a partial structural sectional view of the protective assembly of the present invention.
Fig. 7 is a schematic view of the fire fighting module of the present invention.
Figure 8 is an exploded view of the fire fighting module structure of the present invention.
Fig. 9 is a partial schematic view of the fire fighting module of the present invention.
Fig. 10 is a schematic structural view of the gas alarm assembly of the present invention.
Fig. 11 is a schematic view of a partial structure of the gas alarm assembly of the present invention.
Description of the drawings: 1-a protective component; 2-a fire fighting component; 3-a gas alarm assembly; 101-fixing columns; 102-a support column; 103-a steel wire rope; 104-a support plate; 105-a top post; 106-ring gear; 107-ceramic posts; 108-a stirring rod; 109-baffle one; 110-baffle two; 111-a base; 112-a rack; 113-lifting gears; 114-a push block; 115-a stop block; 116-spring one; 117-electric cylinder one; 118-a fixation plate; 119-drill bit one; 120-bit two; 121-a drive plate; 122-a sloping plate; 123-spring two; 201-a rotating frame; 202-a swing box; 203-motor one; 204-arc oscillating lever; 205-a slider; 206-connecting block; 207-swing post; 208-a sprinkler head; 209-adjusting ring; 210-right angle adjusting plate; 211-electric cylinder two; 212-connecting column one; 213-connecting column two; 214-connecting column three; 215-a rotation gear; 301-a suction pump; 302-a filter box; 303-motor two; 304-a screw mandrel; 305-a scraping plate; 306-a gas detector; 307-first chamber.
Detailed Description
A specific embodiment of the device according to the invention is described further below with reference to the figures and exemplary embodiments.
Referring to fig. 1 to 11, the automatic alarm device for coal mine comprises two protection assemblies 1 for protecting workers during collapse accidents of coal mine, wherein a fire-fighting assembly 2 for extinguishing fire in the coal mine is arranged at the upper end of each protection assembly 1, and a gas alarm assembly 3 for detecting the concentration of gas in the coal mine is further arranged on each protection assembly 1.
The protection assembly 1 comprises a base 111, a first electric cylinder 117 is arranged on the base 111, a fixed plate 118 is arranged at the movable end of the first electric cylinder 117, an inclined plate 122 is arranged on the side edge of the base 111 in a sliding manner, a second spring 123 is arranged between the inclined plate 122 and the base 111, a driving plate 121 is arranged on the first electric cylinder 117, an inclined surface is arranged at one end of the inclined plate 122 close to the driving plate 121, the inclined surface on the inclined plate 122 is attached to the driving plate 121, a fixed motor is arranged on the fixed plate 118 and the inclined plate 122 respectively, a first drill bit 119 is arranged on an output shaft of the fixed motor on the inclined plate 122, a second drill bit 120 is arranged on an output shaft of the fixed motor on the fixed plate 118, a fixed column 101 is arranged on the base 111, a lifting gear 113 is arranged in the fixed column 101 in a rotating manner, a support column 102 is arranged on the fixed column 101, a rack 112 is arranged at one end of the support column 102 close to the lifting gear 113, a support column 105 is attached to the top of a mine hole, the fixed column 101 and the support column 101 is fixed column 102 and a ceramic column 108 is arranged on a sliding baffle 114, a ceramic material pushing baffle 114 is arranged on the fixed column 101, and a pushing baffle 114, a pushing baffle 114 is arranged on the fixing rack 108, and a pushing baffle 114 is arranged on the fixing rack 112, and a pushing baffle 114, a pushing baffle 109, the supporting plates 104 on the two groups of protection components 1 are connected through steel wire ropes 103, and the steel wire ropes 103 intercept broken stones in the mine cavity and fall.
The fire fighting module 2 comprises a rotating frame 201 installed on a fixed column 101, a rotating motor is arranged at the lower end of the rotating frame 201, a rotating gear 215 is arranged on an output shaft of the rotating motor, the rotating gear 215 is meshed with a gear ring 106, a first motor 203 and a second electric cylinder 211 are arranged on the rotating frame 201, an arc swinging rod 204 is arranged on an output shaft of the first motor 203, a sliding block 205 is arranged on the arc swinging rod 204 in a sliding mode, a swinging column 207 is arranged on the rotating frame 201 in a rotating mode, a swinging box 202 is arranged on the swinging column 207, a plurality of groups of water spraying heads 208 are arranged on the swinging box 202, a connecting block 206 is arranged at one end, far away from the arc swinging rod 204, of the sliding block 205 in a rotating mode, the connecting block 206 is connected with the swinging column 207 in a rotating mode, a movable end of the second electric cylinder 211 is attached to an adjusting ring 209, the adjusting ring 209 is connected with a rotating shaft of the arc swinging rod 204 through a spline shaft, a first connecting column 212 is arranged on the arc swinging rod 204, a second connecting column 213 is arranged on the adjusting rod 209, a connecting column three connecting column 214 is arranged on the second connecting column 213 in a rotating mode, one end of the right-angle adjusting plate 210, one-angle adjusting plate 210 is connected with the third column 214, and the other end of the right angle adjusting plate 210 is connected with the first connecting column 212 in a sliding mode.
The gas alarm assembly 3 comprises a filter box 302 arranged on the support plate 104, an air suction pump 301 is arranged on the filter box 302, the gas alarm assembly further comprises a second motor 303 arranged on the filter box 302, a screw rod 304 is arranged on an output shaft of the second motor 303, a scraping plate 305 is arranged on the filter box 302 in a sliding mode, the screw rod 304 is connected with the scraping plate 305 through threads, a gas detector 306, a first cavity 307 and multiple groups of filter screens are arranged inside the filter box 302, and the scraping plate 305 is intermittently attached to the filter screens.
The working principle is as follows: when the rescue signal transmitter is used, the stirring rod 108 is inserted into a rotating shaft of the lifting gear 113, the stirring rod 108 is rotated, the stirring rod 108 drives the lifting gear 113 to rotate, the lifting gear 113 drives the rack 112 to move, the rack 112 drives the supporting column 102 to ascend, the supporting column 102 drives the supporting plate 104 and the jacking column 105 to move, when the jacking column 105 is in contact with the top of the mine cavity, the stirring rod 108 is stopped rotating, the ceramic column 107 is inserted into the supporting column 102 and the fixed column 101, the supporting column 102 and the fixed column 101 are fixed, when similar collapse precursors occur in the mine cavity, for example, a roof continuously sends breaking sound, powder drops at the broken roof, rock powder falls, and the like, workers arrive at the position of the invention to wait, the workers are guaranteed to have enough reaction time to drill into the protection component 1 of the invention, when collapse occurs, the top of the mine cavity smashes the jacking column 105 and the supporting plate 104, at the moment, the ceramic column 107, the lifting gear 113 and the rack 112 are impacted, the supporting column 102 quickly descends to push the pushing block 114, the baffle 115 is driven to rotate, the baffle 110 is driven to open, the first rescue signal transmitter and the baffle 109 is used for transmitting rescue signals to the rescue signal transmitter of the rescue signal transmitter for transmitting the rescue signal transmitter for one rescue.
When a fire source occurs in a mine, a rotating motor is started, the rotating motor drives a rotating gear 215 to rotate, the rotating gear 215 rotates on a gear ring 106, the rotating gear 215 drives a rotating frame 201 to rotate on a fixed column 101, the fixed column 101 drives a water spraying head 208 to align with the fire source, then the motor one 203 is started, the motor one 203 drives an arc oscillating rod 204 to rotate, the arc oscillating rod 204 drives a sliding block 205 to rotate, the sliding block 205 drives a connecting block 206 and an oscillating column 207 to oscillate, the oscillating column 207 drives an oscillating box 202 to rotate, the oscillating box 202 drives the water spraying head 208 to oscillate, and at the moment, the water spraying head 208 sprays water to extinguish the fire.
Gas density is less than the air, the ore hole top at first appears unusually when gas concentration appears too high in the ore hole, gas warning subassembly 3 sets up on backup pad 104, be located the ore hole top, start aspiration pump 301, aspiration pump 301 inhales in to rose box 302 through first cavity 307, the air gets into in first cavity 307 after passing through the inside multiunit filter screen of rose box 302, the air is the air after filtering in first cavity 307 this moment, it detects the precision to the air in first cavity 307 to improve gas detection appearance 306, in time report to the police when gas concentration exceeds standard, ventilate, when the dust is too much on the inside filter screen of rose box 302, start motor two 303, motor two 303 drives lead screw 304 and rotates, lead screw 304 drives scraping plate 305 and slides in rose box 302, scrape off the filter screen dust on the rose box 302.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.
Claims (10)
1. The utility model provides an automatic alarm device for coal mine, includes two sets of protection subassemblies (1), is provided with fire control subassembly (2) and gas alarm component (3) on protection subassembly (1), its characterized in that: the protection assembly (1) comprises a base (111), a fixing column (101) is arranged on the base (111), a supporting column (102) and a gear ring (106) are arranged on the fixing column (101), the fixing column (101) and the supporting column (102) are fixed through a ceramic column (107), a supporting plate (104) is arranged on the supporting column (102), the two groups of protection assemblies (1) are connected through a steel wire rope (103), the protection assembly (1) further comprises a folding mechanism for protecting workers, the fire protection assembly (2) comprises a rotating frame (201) installed on the fixing column (101), a rotating motor is arranged at the lower end of the rotating frame (201), a rotating gear (215) is arranged on an output shaft of the rotating motor, the rotating gear (215) is meshed with the gear ring (106), a swinging mechanism is arranged on the rotating frame (201), the swinging mechanism comprises a plurality of groups of water spray heads (208), the gas alarm assembly (3) comprises a filter box (302) installed on the supporting plate (104), a suction pump (301) is arranged on the filter box (302), and a scraping mechanism is arranged inside the filter box (302).
2. The automatic alarm device for the coal mine according to claim 1, characterized in that: the protection assembly (1) further comprises a first electric cylinder (117) installed on the base (111), a driving plate (121) and a fixing plate (118) are arranged at the movable end of the first electric cylinder (117), a second drill bit (120) is arranged on the fixing plate (118), an inclined plate (122) is further arranged on the base (111) in a sliding mode, a first drill bit (119) is arranged on the inclined plate (122), and a second spring (123) is arranged between the inclined plate (122) and the fixing column (101).
3. The automatic alarm device for the coal mine according to claim 2, characterized in that: the inclined plate is characterized in that an inclined surface is arranged at one end, close to the drive plate (121), of the inclined plate (122), the inclined surface on the inclined plate (122) is attached to the drive plate (121), and driving sources are arranged on the first drill bit (119) and the second drill bit (120).
4. The automatic alarm device for the coal mine according to claim 3, characterized in that: the lifting gear (113) is rotationally arranged in the fixed column (101), a rack (112) is arranged at one end, close to the base (111), of the supporting column (102), the rack (112) is meshed with the lifting gear (113), a rotating shaft of the lifting gear (113) is connected with the stirring rod (108) through a spline shaft, the stirring rod (108) is intermittently inserted into the rotating shaft of the lifting gear (113), and a plurality of groups of ejection columns (105) are slidably arranged on the supporting plate (104).
5. The automatic alarm device for the coal mine according to claim 4, characterized in that: the rack (112), the lifting gear (113) and the ceramic column (107) are all made of ceramic materials and are smashed when being impacted.
6. The automatic alarm device for the coal mine according to claim 5, characterized in that: the folding mechanism comprises two groups of pushing blocks (114) which are slidably mounted on the side edges of a fixing column (101), a first spring (116) is arranged between each pushing block (114) and the corresponding fixing column (101), a first baffle (109) is arranged on the corresponding fixing column (101) in a rotating mode, a second baffle (110) is arranged on the corresponding baffle (109) in a rotating mode, a limiting block (115) is arranged on each pushing block (114), a sliding groove is formed in each baffle (109), and the limiting block (115) is attached to the sliding groove in each baffle (109).
7. The automatic alarm device for the coal mine according to claim 1, characterized in that: swing mechanism including installing motor one (203) and electric cylinder two (211) on rotating turret (201), be provided with arc swinging arms (204) on the output shaft of motor one (203), arc swinging arms (204) go up to slide and are provided with sliding block (205), rotating turret (201) go up to rotate and are provided with swing post (207), be provided with on swing post (207) and swing case (202), swing case (202) on be provided with multiunit sprinkler bead (208), sliding block (205) keep away from the one end rotation of arc swinging arms (204) and be provided with connecting block (206), connecting block (206) rotate with swing post (207) and be connected.
8. The automatic alarm device for the coal mine according to claim 7, characterized in that: the expansion end and the adjustment ring (209) laminating of electric cylinder two (211), the axis of rotation of adjustment ring (209) and arc swinging arms (204) pass through the integral key shaft and be connected, sliding block (205) on be provided with spliced pole one (212), arc swinging arms (204) on be provided with spliced pole two (213), adjustment ring (209) on be provided with spliced pole three (214), spliced pole two (213) on rotate and be provided with right angle regulating plate (210), right angle regulating plate (210) one end and spliced pole three (214) sliding connection, right angle regulating plate (210) other end and spliced pole one (212) sliding connection.
9. The automatic alarm device for the coal mine according to claim 1, characterized in that: scraping mechanism including installing motor two (303) on rose box (302), be provided with lead screw (304) on the output shaft of motor two (303), sliding on rose box (302) is provided with scrapes board (305), lead screw (304) pass through threaded connection with scraping board (305), rose box (302) inside is provided with gas detector (306), first cavity (307) and multiunit filter screen, scrape board (305) intermittent type and filter screen laminating.
10. The automatic alarm device for the coal mine according to claim 1, characterized in that: and signal source transmitters are arranged on the protection component (1), the fire-fighting component (2) and the gas alarm component (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211576961.8A CN115653692B (en) | 2022-12-09 | 2022-12-09 | Automatic alarm device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211576961.8A CN115653692B (en) | 2022-12-09 | 2022-12-09 | Automatic alarm device for coal mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115653692A true CN115653692A (en) | 2023-01-31 |
| CN115653692B CN115653692B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211576961.8A Active CN115653692B (en) | 2022-12-09 | 2022-12-09 | Automatic alarm device for coal mine |
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| Country | Link |
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| CN (1) | CN115653692B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116093821A (en) * | 2023-04-10 | 2023-05-09 | 江苏中凌高科技股份有限公司 | Intelligent inspection device for power line |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB720106A (en) * | 1951-01-05 | 1954-12-15 | Willy Eggemann | Improvements in or relating to props especially pit props |
| CN207111136U (en) * | 2017-07-31 | 2018-03-16 | 陈翰光 | Roadway support telescopic strut under a kind of mine |
| CN208203311U (en) * | 2018-05-23 | 2018-12-07 | 文杰 | Suspension device is used in a kind of excavation of coal mine |
| CN111102010A (en) * | 2019-12-23 | 2020-05-05 | 山东东山新驿煤矿有限公司 | Mine hole fixing device for coal mine with safety warning effect |
| US10774642B1 (en) * | 2019-05-05 | 2020-09-15 | Liaoning University | Hydraulic support unit and hydraulic support for anti-rock burst roadway |
| CN212508365U (en) * | 2020-05-31 | 2021-02-09 | 朱磊 | Supporting device for mine exploitation |
| CN212867594U (en) * | 2020-04-07 | 2021-04-02 | 施玉荣 | Coal mining anti-collapse support |
| CN110080809B (en) * | 2019-04-28 | 2021-06-11 | 贵州大学 | Mine hole supporting device for coal mining and capable of preventing shaking |
| CN113279792A (en) * | 2021-05-09 | 2021-08-20 | 鄂托克前旗长城三号矿业有限公司 | Temporary roadway supporting structure for coal mining and implementation method thereof |
| CN114961804A (en) * | 2022-06-02 | 2022-08-30 | 王彩霞 | Coal mining protection device with dust fall function and protection method |
-
2022
- 2022-12-09 CN CN202211576961.8A patent/CN115653692B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB720106A (en) * | 1951-01-05 | 1954-12-15 | Willy Eggemann | Improvements in or relating to props especially pit props |
| CN207111136U (en) * | 2017-07-31 | 2018-03-16 | 陈翰光 | Roadway support telescopic strut under a kind of mine |
| CN208203311U (en) * | 2018-05-23 | 2018-12-07 | 文杰 | Suspension device is used in a kind of excavation of coal mine |
| CN110080809B (en) * | 2019-04-28 | 2021-06-11 | 贵州大学 | Mine hole supporting device for coal mining and capable of preventing shaking |
| US10774642B1 (en) * | 2019-05-05 | 2020-09-15 | Liaoning University | Hydraulic support unit and hydraulic support for anti-rock burst roadway |
| CN111102010A (en) * | 2019-12-23 | 2020-05-05 | 山东东山新驿煤矿有限公司 | Mine hole fixing device for coal mine with safety warning effect |
| CN212867594U (en) * | 2020-04-07 | 2021-04-02 | 施玉荣 | Coal mining anti-collapse support |
| CN212508365U (en) * | 2020-05-31 | 2021-02-09 | 朱磊 | Supporting device for mine exploitation |
| CN113279792A (en) * | 2021-05-09 | 2021-08-20 | 鄂托克前旗长城三号矿业有限公司 | Temporary roadway supporting structure for coal mining and implementation method thereof |
| CN114961804A (en) * | 2022-06-02 | 2022-08-30 | 王彩霞 | Coal mining protection device with dust fall function and protection method |
Non-Patent Citations (1)
| Title |
|---|
| 高占龙;王华;原亚鹏;孙强;李杰;: "煤矿用报警支柱实验研究" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116093821A (en) * | 2023-04-10 | 2023-05-09 | 江苏中凌高科技股份有限公司 | Intelligent inspection device for power line |
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|---|---|
| CN115653692B (en) | 2023-04-07 |
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