CN119163466A - Mine underground operation safety device - Google Patents
Mine underground operation safety device Download PDFInfo
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- CN119163466A CN119163466A CN202411692951.XA CN202411692951A CN119163466A CN 119163466 A CN119163466 A CN 119163466A CN 202411692951 A CN202411692951 A CN 202411692951A CN 119163466 A CN119163466 A CN 119163466A
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- 239000011435 rock Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000005389 magnetism Effects 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
Classifications
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- 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
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a mine underground operation safety protection device, which relates to the technical field of mine exploitation and comprises a shielding unit, a wearing unit and an automatic unbinding unit, wherein the shielding unit is used for shielding the body of a person walking in an underground roadway and preventing the falling rocks at the top of the underground roadway from injuring the person, the wearing unit can be used for wearing the shielding unit on the body of the person and driving the whole shielding unit to move through the movement of the person, the weight of the shielding unit is borne by the ground, and the automatic unbinding unit is used for automatically releasing the installation of the wearing unit and the person when the falling rocks fall on a large scale, so that the personnel can discard the shielding unit and escape. The protection device can effectively prevent mine tunnel rocks from falling and injuring personnel by smashing, is good in safety protection effect, can automatically unbind, and is convenient for personnel to escape from the site for the first time.
Description
Technical Field
The invention relates to the technical field of mining, in particular to a mine underground operation safety protection device.
Background
Mining refers to the process by which humans extract valuable mineral resources from the crust of the earth by specific techniques and methods. These mineral resources, including but not limited to metallic ores, nonmetallic ores, energy minerals, etc., are widely used in a variety of fields of construction, industry, transportation, energy, etc., and their exploitation is classified into missed-day exploitation and underground exploitation.
Aiming at the existing underground mine mining, when people walk or overhaul in a mine tunnel, protective clothing is worn generally to reduce the damage to workers caused by rock falling at the top of the tunnel as much as possible, in actual use, certain impact damage is brought to the workers by the falling rocks on the protective clothing, the safety protection effect on the workers is poor, and particularly, the protective clothing is worn to prevent the rock falling at the top of the tunnel easily with larger rock or rock layer with larger area aiming at the tunnel without a supporting structure, so that the safety protection device for underground mine operation is provided to meet the requirements.
Disclosure of Invention
The application aims to provide a mine underground operation safety protection device which is used for solving the technical problem that existing staff cannot well protect falling rocks when working in a roadway.
The application provides a mine underground operation safety protection device which comprises a shielding unit, a protection unit and a protection unit, wherein the shielding unit is used for shielding the body of a person walking in an underground roadway and preventing the falling rocks at the top of the underground roadway from injuring the person by crushing;
The wearing unit is used for wearing the shielding unit on the body of a person and driving the whole shielding unit to move through the movement of the person, wherein the weight of the shielding unit is borne by the ground;
and the automatic binding-releasing unit is used for automatically releasing the installation of the wearing unit and the personnel when the large-scale falling rocks fall off, and provides convenience for the personnel to discard the shielding unit and escape.
As a preferred implementation manner in this embodiment, the shielding unit includes a U-shaped moving frame and an impact plate with a guiding inclined plane;
the impact plate is arranged above the U-shaped movable frame, and the two lower ends of the impact plate are connected with mounting plates on the corresponding side walls of the U-shaped movable frame through a plurality of buffer springs;
The wearing unit comprises two vertical plates, two U-shaped rods and two sliding blocks, wherein the two vertical plates are respectively arranged on two inner side walls of the U-shaped movable frame, the two sliding blocks are respectively and slidably connected with the corresponding vertical plates, and the two sliding blocks are respectively and movably connected with the corresponding U-shaped rods through connecting rods;
The connecting rod comprises two connectors which are respectively connected with the sliding block and the U-shaped rod in a rotating way, a limiting rod which penetrates through the other connector in a sliding way is fixed on the connector close to the U-shaped rod, the two connectors are connected through a connecting spring, a telescopic pipe is arranged on the left side of the two connectors in a penetrating way, and the air outlet end of the telescopic pipe is connected with a U-shaped air pipe arranged in the U-shaped rod on the left side of the telescopic pipe;
the inner cavity of the U-shaped rod on the left side is provided with a transmission gear, a first toothed bar, a second toothed bar and a movable block;
The left end of the first toothed bar is slidably sealed in the inner cavity of the U-shaped air pipe, the first toothed bar is in toothed connection with the second toothed bar through the transmission gear, a limiting plate is mounted at the right end of the second toothed bar, the limiting plate is slidably arranged in the inner cavity of the movable block, a second positioning block is mounted at the upper end of the second toothed bar through a second spring, an inclined plane is arranged at the left side of the second positioning block, and positioning grooves matched with the movable block are formed in the two ends of the U-shaped bar at the right side;
The inner cavity of the movable block is connected with a first positioning block through a first spring, an inclined plane is arranged on the right side of the first positioning block, and the lower end of the first positioning block is connected with the limiting plate through a pull rope;
The two U-shaped rods are respectively provided with a through hole, the inner cavities of the two through holes are respectively and movably provided with a pressing column, and the pressing columns are respectively connected with the inner walls of the through holes through pressing springs;
The automatic unbinding unit comprises a weight, two driving rods, two baffles and a barrel, wherein the weight is arranged in a penetrating cavity formed in the mounting plate, the two baffles are arranged on the mounting plate in a rotating mode through bearings, and the two baffles are positioned below the weight;
The upper ends of the two driving rods are fixedly connected with the lower ends of the impact plates, the lower ends of the two driving rods penetrate through the mounting plate and the corresponding baffle plate in a sliding mode, arc-shaped grooves are formed in the driving rods, the upper ends and the lower ends of the arc-shaped grooves are connected with the linear grooves, and sliding columns with the end portions located in the linear grooves are arranged in the inner cavities of the baffle plates;
The barrel is arranged right below the weight, a hollow barrel is arranged in the inner cavity of the barrel in a sliding sealing mode, the hollow barrel is connected with the top of the inner cavity of the barrel through a jacking spring, an air outlet head at the bottom of the barrel is connected with an air inlet head of the telescopic pipe through a hose, and an opening which is matched with the hose and penetrates through is formed in the U-shaped movable frame.
As a preferred implementation manner in this embodiment, the device further comprises a magnetic assistance unit, wherein one end of the magnetic assistance unit is arranged on the weight, the other end of the magnetic assistance unit is arranged on the hollow cylinder, and the unbinding and separating of the two U-shaped rods can be stably completed while the weight of the weight is reduced.
As a preferred implementation manner in this embodiment, the magnetic booster unit includes a first permanent magnet and a second permanent magnet that are oppositely disposed, where the first permanent magnet is disposed in a groove disposed at the bottom of the weight, the second permanent magnet is disposed in a groove disposed at the upper end of the hollow cylinder, and opposite ends of the first permanent magnet and the second permanent magnet have opposite magnetic poles.
As a preferred implementation manner in this embodiment, the device further comprises a magnetism isolating unit, which is arranged in the inner cavity of the weight and used for blocking the magnetic force between the first permanent magnet and the second permanent magnet, so as to facilitate the resetting of the weight.
As a preferred implementation manner in this embodiment, the magnetism isolating unit includes two magnetism isolating plates slidably disposed in the inner cavity of the weight, one ends of the two magnetism isolating plates are rotatably connected with the lower ends of corresponding stress rods, the upper ends of the two stress rods are rotatably connected with the lower ends of pull rings penetrating through the weight, and the lower ends of the pull rings are connected with the weight through extension springs.
As a preferred implementation manner in this embodiment, three L-shaped plates are disposed on the outer wall of the cylinder in three directions of left, right and front.
As a preferred implementation manner in this embodiment, the middle part of the mounting plate is provided with a protrusion.
In summary, the invention has the technical effects and advantages that:
the protection device has reasonable structure, can effectively prevent the mine tunnel rock from falling and injuring personnel, has good safety protection effect, can automatically unbind, and is convenient for the personnel to escape from the site for the first time;
according to the invention, the magnetic power assisting unit is arranged, so that the weight of a heavy object is reduced while the required impact strength of the hollow cylinder is ensured, the weight of the heavy object is reduced, the load of a person moving the U-shaped moving frame is reduced, and the labor intensity of the person moving the U-shaped moving frame is reduced;
In the invention, the magnetism isolating unit is arranged to isolate magnetism between the first permanent magnet and the second permanent magnet, thereby facilitating separation of the heavy object and the hollow cylinder.
Drawings
In order to more clearly illustrate the embodiments of the application 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 application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the wearing unit in FIG. 1;
FIG. 3 is a schematic view of a partial bottom view of the U-shaped mobile frame of FIG. 1;
FIG. 4 is a schematic view of a partial cross-sectional structure of the U-shaped bar of FIG. 1;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;
FIG. 6 is a schematic view of a partial cross-sectional structure of the baffle and driving rod of FIG. 3;
FIG. 7 is a schematic cross-sectional view of the weight and barrel of FIG. 3.
The device comprises a U-shaped moving frame, a 2, an impact plate, a 3, a buffer spring, a 4, a mounting plate, a 5, a vertical plate, a 6, a sliding block, a 7, a connector, a 8, a U-shaped rod, a 9, a connecting spring, a 10, a telescopic tube, a 11, a cylinder, a 12, a jack-up spring, a 13, a hollow cylinder, a 14, a baffle, a 15, a heavy object, a 16, a driving rod, a 17, a linear groove, a 18, an arc-shaped groove, a 19, a sliding column, a 20, a U-shaped air pipe, a 21, a first toothed bar, a 22, a transmission gear, a 23, a second toothed bar, a 24, a first positioning block, a 25, a first spring, a 26, a movable block, a 27, a stay cord, a 28, a limiting plate, a 29, a second positioning block, a 30, a second spring, a 31, a pressing column, a 32, a pressing spring, a 33, a first permanent magnet, a 34, a second permanent magnet, a 35, a magnetism-isolating plate, a 36, a force bar, a 37, a tension spring, a 38, a pull ring, a 39, a limiting bar, a 40, a L, a 41 and a bearing.
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.
The mine underground operation safety protection device comprises a shielding unit, a protection unit and a protection unit, wherein the shielding unit is used for shielding the body of a person walking in an underground roadway and preventing the falling rocks at the top of the underground roadway from injuring the person;
The wearing unit is used for wearing the shielding unit on the body of a person and driving the whole shielding unit to move through the movement of the person, wherein the weight of the shielding unit is borne by the ground;
and the automatic binding-releasing unit is used for automatically releasing the installation of the wearing unit and the personnel when the large-scale falling rocks fall off, and provides convenience for the personnel to discard the shielding unit and escape.
As a preferred implementation in this example, as shown in fig. 1-7, the shielding unit comprises a U-shaped moving frame 1 and an impact plate 2 with a guiding bevel;
the impact plate 2 is arranged above the U-shaped movable frame 1, and the two lower ends of the impact plate 2 are connected with mounting plates 4 on the corresponding side walls of the U-shaped movable frame 1 through a plurality of buffer springs 3;
the wearing unit comprises two vertical plates 5, two U-shaped rods 8 and two sliding blocks 6, wherein the two vertical plates 5 are respectively arranged on two inner side walls of the U-shaped movable frame 1, the two sliding blocks 6 are respectively and slidably connected with the corresponding vertical plates 5, and the two sliding blocks 6 are respectively and movably connected with the corresponding U-shaped rods 8 through connecting rods;
the connecting rod comprises two connectors 7 which are respectively connected with the sliding block 6 and the U-shaped rod 8 in a rotating way, a limiting rod 39 which penetrates through the other connector 7 in a sliding way is fixed on the connector 7 close to the U-shaped rod 8, the two connectors 7 are connected through a connecting spring 9, a telescopic pipe 10 is arranged on the left two connectors 7 in a penetrating way, and the air outlet end of the telescopic pipe 10 is connected with a U-shaped air pipe 20 arranged in the left U-shaped rod 8;
the inner cavity of the left U-shaped rod 8 is provided with a transmission gear 22, a first toothed bar 21, a second toothed bar 23 and a movable block 26;
The left end of the first toothed bar 21 is arranged in the inner cavity of the U-shaped air pipe 20 in a sliding and sealing manner, the first toothed bar 21 is in toothed connection with the second toothed bar 23 through a transmission gear 22, a limiting plate 28 is arranged at the right end of the second toothed bar 23, the limiting plate 28 is arranged in the inner cavity of the movable block 26 in a sliding manner, a second positioning block 29 is arranged at the upper end of the second toothed bar 23 through a second spring 30, an inclined plane is arranged at the left side of the second positioning block 29, and positioning grooves matched with the movable block 26 are formed in the two ends of the right U-shaped bar 8;
The inner cavity of the movable block 26 is connected with the first positioning block 24 through a first spring 25, an inclined plane is arranged on the right side of the first positioning block 24, and the lower end of the first positioning block 24 is connected with a limiting plate 28 through a pull rope 27;
The two U-shaped rods 8 are respectively provided with a through hole, the inner cavities of the two through holes are respectively and movably provided with a pressing column 31, and the pressing columns 31 are respectively connected with the inner walls of the through holes through pressing springs 32;
The automatic unbinding unit comprises a weight 15, two driving rods 16, two baffles 14 and a cylinder 11, wherein the weight 15 is arranged in a penetrating cavity formed in the mounting plate 4, two baffles 14 are arranged on the mounting plate 4 in a rotating manner through bearings 41, and the two baffles 14 are positioned below the weight 15;
The upper ends of the two driving rods 16 are fixedly connected with the lower end of the impact plate 2, the lower ends of the two driving rods 16 penetrate through the mounting plate 4 and the corresponding baffle plate 14 in a sliding mode, an arc-shaped groove 18 is formed in the driving rods 16, the upper ends and the lower ends of the arc-shaped groove 18 are connected with the linear groove 17, and a sliding column 19 with the end portions located in the linear groove 17 is arranged in the inner cavity of the baffle plate 14;
The barrel 11 is arranged under the weight 15, a hollow barrel 13 is arranged in the inner cavity of the barrel 11 in a sliding and sealing mode, the hollow barrel 13 is connected with the top of the inner cavity of the barrel 11 through a jacking spring 12, an air outlet head at the bottom of the barrel 11 is connected with an air inlet head of the telescopic pipe 10 through a hose, and a penetrating opening matched with the hose is formed in the U-shaped movable frame 1.
When in use, a worker can pull the two U-shaped rods 8 to enlarge the distance between the two connectors 7, so that the two U-shaped rods 8 are sleeved on the waist, the two ends of the U-shaped rods 8 are aligned, the two movable blocks 26 of the left U-shaped rod 8 are respectively spliced with the positioning grooves formed at the ends of the right U-shaped rods 8 (in the splicing process, the movable blocks 26 do not move towards the inner cavity of the U-shaped rods 8 due to the action of air pressure in the U-shaped air pipes 20, the movable blocks 26 can be spliced with the positioning grooves and the first positioning blocks 24 are spliced with the through holes, at the moment, as shown in fig. 4 and 5, the first positioning blocks 24 are positioned in the through holes, the two U-shaped rods 8 are fixed together, the whole formed by the two U-shaped rods 8 is sleeved on the body of the worker, at the moment, the worker is positioned in the U-shaped cavity of the U-shaped moving frame 1, when the worker moves, the whole U-shaped moving frame 1 is driven to move, and when the rock falls down from the upper side, the movable blocks can not move towards the inner cavity of the U-shaped moving frame, the impact plate 2 and the impact plate 2 is arranged along the guide plate 2, and the impact plate 2 is damaged by the impact plate and the impact plate 2 is set to the impact plate 2;
An automatic unbinding unit is arranged, when a larger sheet rock layer falls onto the impact plate 2 (namely, the top of a roadway has collapse risk), the impact plate 2 moves downwards rapidly, after the impact plate falls to a certain height, the sliding column 19 moves into the arc-shaped groove 18 and moves along the arc-shaped groove 18, and finally moves into the straight-line groove 17 arranged above, in the process, the driving rod 16 drives the baffle plate 14 to rotate and move away from the position right below the heavy object 15, at the moment, the heavy object 15 moves downwards under the action of self gravity and enables the upper end of the hollow cylinder 13 to be contacted, the hollow cylinder 13 extrudes the downward movement of the jacking spring 12 to compress gas in the U-shaped gas pipe 20, so that two first toothed bars 21 are simultaneously jacked out and move outwards, and the outward movement of the first toothed bars 21 is matched with the transmission of the transmission gear 22, the second toothed bar 23 can move towards the inner cavity of the left U-shaped bar 8, namely the second toothed bar 23 moves leftwards, the first positioning block 24 is driven to move downwards through the pull rope 27, the upper end of the first positioning block 24 moves out of the through hole, the movable block 26 is driven to move towards the inner cavity of the left U-shaped bar 8 along with the continued leftwards movement of the second toothed bar 23, and finally the second positioning block 29 and the through hole on the left U-shaped bar 8 form plug-in positioning, at the moment, the two U-shaped bars 8 move outwards and are separated from a human body (without blocking the movement of the human body) under the action of the connecting spring 9, at the moment, the human body can directly abandon the U-shaped moving frame 1 to escape according to the situation (in order to avoid serious injury caused by secondary falling), the escape of the human body strives for time (a certain time is needed for manually releasing the fixation of the two U-shaped bars 8, and errors are easy to occur in busy condition, make personnel can not escape the scene in the first time, increase personnel risk), to when can't escape, its U-shaped removes frame 1 and can also regard as mining personnel emergency shelter, this safety device protection effect is good.
It should be noted that firstly, the impact force caused by the action of the weight 15 and the acceleration is utilized to squeeze the hollow cylinder 13 and further drive the first toothed bar 21 to move outwards, the impact strength with the hollow cylinder 13 can be controlled by controlling the gravity of the weight 15 and the height of the hollow cylinder 13, so that the impact strength and the speed in impact can be controlled, the damage (quick friction or deformation irrecoverable due to excessive instant stress) of elastic parts at the connection part of the hollow cylinder 13, the cylinder 11 and the U-shaped air tube 20 with the first toothed bar 21 caused by excessive impact strength can not be caused, the air tightness or sealing failure can not be relieved, if the falling impact plate 2 is directly utilized to act on the hollow cylinder 13, (the amount of the ore falling onto the impact plate 2 can not be determined, if the excessive ore falls) is easy to cause excessive instant impact strength, and the air tightness or sealing failure can be easily caused; secondly, after no falling event occurs, the pressing column 31 on the right U-shaped rod 8 can be directly extruded, so that the first toothed bar 21 moves towards the inner cavity of the U-shaped air pipe 20 and finally the end part of the movable block 26 with the first positioning block 24 moves out of the inner cavity of the U-shaped rod 8 and returns to the original position, thirdly, the setting of the connecting spring 9, after the fixation between the two U-shaped rods 8 is automatically released, the two U-shaped rods 8 can move outwards under the action of the connecting spring 9 and finally move to the two sides of a person, so that a large enough unobstructed space is provided for escape of the person, and the person can escape from the scene in the first time; fourth, the sliding block 6 can slide on the vertical plate 5, so that people with different heights can sleeve the U-shaped rod 8 at the waist; the left end of the first toothed bar 21 and the outer wall of the lower end of the hollow cylinder 13 are both provided with elastic sealing sleeves for sealing, five, aiming at the automatic unbinding unit, after the plugging of the first positioning block 24 and the through hole is released, the movable block 26 is driven to move towards the inner cavity of the left U-shaped bar 8, the phenomenon that the separation of the two U-shaped bars 8 is blocked (the separation of the two U-shaped bars 8 under the action of the shrinkage elastic force of the connecting spring 9) caused by the fact that the movable block 26 is left in the positioning groove of the right U-shaped bar 8 is avoided, the smooth separation of the two U-shaped bars 8 is facilitated, the extension of the separation time is avoided, precious time is further strived for a person, six, in the whole running process of the automatic unbinding unit, the upper end of the weight 15 is always positioned in the penetrating cavity of the mounting plate 4, after the running of the automatic unbinding unit is finished, and rocks at the upper end of the impact plate 2 are guided away or manually cleaned, at the moment, the baffle 14 is in conflict with the outer wall of the weight 15 through the elastic force of the buffer spring 3, the baffle plate 14 is prevented from the baffle plate 38, the person drives the weight 15 to rise, and the weight 15 through the baffle plate 38, when the lower end of the weight 15 moves into the penetrating cavity, the penetrating through the buffer spring 3, the baffle plate 14 is simultaneously, and the baffle plate is released, and the upper end of the weight 15 through the baffle plate through the elastic force, and can be released, seven, can transversely set up several groups of reinforcing bars in the U-shaped cavity of the U-shaped movable frame 1, the both ends of the reinforcing bar are fixedly connected with two inner sidewalls of the U-shaped movable frame 1 separately, its purpose is in order to increase the structural strength of the U-shaped movable frame 1.
As a preferred implementation manner in this embodiment, the device further includes a magnetic booster unit, one end of the magnetic booster unit is disposed on the weight 15, and the other end of the magnetic booster unit is disposed on the hollow cylinder 13, so that the unbinding and separating of the two U-shaped rods 8 can be stably completed while the weight of the weight 15 is reduced.
The magnetic assisting unit is arranged, so that the required impact strength (namely, the operation of an automatic unbinding unit is not delayed) of the hollow cylinder 13 can be ensured, the weight of the weight 15 is reduced, the load of a person moving the U-shaped moving frame 1 is reduced, and the labor intensity of the person moving the U-shaped moving frame 1 is reduced.
As a preferred implementation manner in this embodiment, as shown in fig. 3 and 7, the magnetic booster unit includes a first permanent magnet 33 and a second permanent magnet 34 that are disposed opposite to each other, the first permanent magnet 33 is disposed in a groove disposed at the bottom of the weight 15, the second permanent magnet 34 is disposed in a groove disposed at the upper end of the hollow cylinder 13, and opposite ends of the first permanent magnet 33 and the second permanent magnet 34 have opposite poles.
While the weight 15 with reduced weight moves downwards, the weight 15 moving downwards is accelerated by the magnetic force of the first permanent magnet 33 and the second permanent magnet 34, so that the weight 15 drives the hollow cylinder 13 to move downwards finally, and the two U-shaped rods 8 are released from fixation and separation.
It should be noted that the hollow cylinder 13 is made of a magnetism isolating material, so as to avoid the influence of magnetism of the permanent magnet on the jack-up spring 12, and the weight 15 is reduced by a weight greater than the sum of the first permanent magnet 33 and the second permanent magnet 34.
As a preferred implementation manner in this embodiment, the device further includes a magnetism isolating unit, disposed in the inner cavity of the weight 15, for blocking the magnetic force between the first permanent magnet 33 and the second permanent magnet 34, so as to facilitate the resetting of the weight 15.
After the automatic unbinding unit is started, the lower end of the weight 15 and the upper end of the hollow cylinder 13 are fixed together through magnetism in the group, and the magnetism isolating unit is arranged to facilitate the separation of the weight 15 and the hollow cylinder 13, so that when the weight 15 and the hollow cylinder are separated, the magnetic field between the weight 15 and the hollow cylinder can be isolated, the magnetic force effect can be relieved or reduced, and the separation of the weight 15 and the hollow cylinder is facilitated.
As a preferred implementation manner in this embodiment, as shown in fig. 7, the magnetism isolating unit includes two magnetism isolating plates 35 slidably disposed in the inner cavity of the weight 15, one ends of the two magnetism isolating plates 35 are rotatably connected to the lower ends of corresponding stress rods 36, the upper ends of the two stress rods 36 are rotatably connected to the lower ends of pull rings 38 penetrating through the weight 15, and the lower ends of the pull rings 38 are connected to the weight 15 through extension springs 37.
When the heavy object 15 is required to be separated from the hollow cylinder 13, the pull ring 38 can be directly pulled, the pull ring 38 moves upwards and drives the lower ends of the two stress rods 36 to gather together, so that the two magnetic isolation plates 35 simultaneously move outwards to shield the first permanent magnet 33, after the first permanent magnet 33 is completely shielded, the heavy object 15 can be directly lifted up through the pull ring 38, after the heavy object 15 is placed in place, the pull ring 38 is released, the two magnetic isolation plates 35 are restored to the original position through the elastic force of the extension spring 37, and the shielding of the first permanent magnet 33 is relieved.
It should be noted that the weight 15 is made of magnetism isolating material, so that the magnetic field interference of the permanent magnet to each component in the inner cavity of the weight 15 is avoided, and the stable and orderly operation of each component in the inner cavity is facilitated.
As a preferred embodiment of the present embodiment, three L-shaped plates 40 are provided in three directions of left, right, and front on the outer wall of the cylinder 11.
The three L-shaped plates 40 and the side wall of the U-shaped movable frame 1 form a limiting cavity, so that the weight 15 is limited and is prevented from being separated from the U-shaped movable frame 1.
As a preferred implementation in this embodiment, the middle portion of the mounting plate 4 is provided with a protrusion.
The buffer spring 3 is arranged at the low-lying position of the mounting plate 4, when the impact plate 2 bears a large weight, the impact plate 2 is directly contacted with the protruding part of the mounting plate 4 at the moment to prevent the buffer spring 3 from being damaged due to excessive compression, so that the impact plate 2 is supported, and the buffer spring 3 is effectively protected.
It should be noted that the automatic unbinding unit is activated before the strike plate 2 is in contact with the mounting plate 4.
It should be noted that the foregoing description is only a preferred embodiment of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present invention.
Claims (8)
1. The mine underground operation safety protection device is characterized by comprising a shielding unit, a protection unit and a protection unit, wherein the shielding unit is used for shielding the body of a person walking in an underground roadway and preventing falling rocks at the top of the underground roadway from injuring the person;
The wearing unit is used for wearing the shielding unit on the body of a person and driving the whole shielding unit to move through the movement of the person, wherein the weight of the shielding unit is borne by the ground;
and the automatic binding-releasing unit is used for automatically releasing the installation of the wearing unit and the personnel when the large-scale falling rocks fall off, and provides convenience for the personnel to discard the shielding unit and escape.
2. The mine underground operation safety protection device according to claim 1, wherein the shielding unit comprises a U-shaped movable frame (1) and an impact plate (2) with a material guiding inclined plane;
The impact plate (2) is arranged above the U-shaped movable frame (1), and two lower ends of the impact plate (2) are connected with mounting plates (4) on corresponding side walls of the U-shaped movable frame (1) through a plurality of buffer springs (3);
The wearing unit comprises two vertical plates (5), two U-shaped rods (8) and two sliding blocks (6), wherein the two vertical plates (5) are respectively arranged on two inner side walls of the U-shaped movable frame (1), the two sliding blocks (6) are respectively connected with the corresponding vertical plates (5) in a sliding manner, and the two sliding blocks (6) are respectively and movably connected with the corresponding U-shaped rods (8) through connecting rods;
The connecting rod comprises two connectors (7) which are respectively connected with the sliding block (6) and the U-shaped rod (8) in a rotating way, a limiting rod (39) which penetrates through the other connector (7) in a sliding way is fixed on the connector (7) which is close to the U-shaped rod (8), the two connectors (7) are connected through a connecting spring (9), a telescopic pipe (10) is penetrated through the left two connectors (7), and the air outlet end of the telescopic pipe (10) is connected with a U-shaped air pipe (20) arranged in the U-shaped rod (8) at the left side;
the inner cavity of the U-shaped rod (8) at the left side is provided with a transmission gear (22), a first toothed bar (21), a second toothed bar (23) and a movable block (26);
the left end of the first toothed bar (21) is arranged in the inner cavity of the U-shaped air pipe (20) in a sliding sealing mode, the first toothed bar (21) is in toothed connection with the second toothed bar (23) through the transmission gear (22), a limiting plate (28) is arranged at the right end of the second toothed bar (23), the limiting plate (28) is arranged in the inner cavity of the movable block (26) in a sliding mode, a second positioning block (29) is arranged at the upper end of the second toothed bar (23) through a second spring (30), an inclined plane is arranged on the left side of the second positioning block (29), and positioning grooves matched with the movable block (26) are formed in the two ends of the U-shaped bar (8) on the right side;
The inner cavity of the movable block (26) is connected with the first positioning block (24) through a first spring (25), an inclined plane is arranged on the right side of the first positioning block (24), and the lower end of the first positioning block (24) is connected with the limiting plate (28) through a pull rope (27);
The two U-shaped rods (8) are respectively provided with a through hole, the inner cavities of the two through holes are respectively and movably provided with a pressing column (31), and the pressing columns (31) are respectively connected with the inner walls of the through holes through pressing springs (32);
the automatic unbinding unit comprises a weight (15), two driving rods (16), two baffles (14) and a barrel (11), wherein the weight (15) is arranged in a penetrating cavity formed in the mounting plate (4), the two baffles (14) are arranged on the mounting plate (4) in a rotating mode through bearings (41), and the two baffles (14) are located below the weight (15);
the upper ends of the two driving rods (16) are fixedly connected with the lower ends of the impact plates (2), the lower ends of the two driving rods (16) penetrate through the mounting plates (4) and the corresponding baffle plates (14) in a sliding mode, arc-shaped grooves (18) are formed in the driving rods (16), the upper ends and the lower ends of the arc-shaped grooves (18) are connected with the linear grooves (17), and sliding columns (19) with the end portions located in the linear grooves (17) are arranged in the inner cavities of the baffle plates (14);
The utility model discloses a flexible pipe, including barrel (11), flexible pipe (10), flexible pipe, U-shaped movable frame (1), barrel (11) set up under heavy object (15), the inner chamber sliding seal of barrel (11) is provided with hollow section of thick bamboo (13), just hollow section of thick bamboo (13) with the inner chamber top of barrel (11) is connected through jack-up spring (12), the air outlet head of the bottom of barrel (11) pass through the hose with the air inlet head of flexible pipe (10) is connected, be provided with on U-shaped movable frame (1) with the opening that passes of hose adaptation.
3. The mine underground operation safety protection device according to claim 2, further comprising a magnetic assistance unit, wherein one end of the magnetic assistance unit is arranged on the weight (15), the other end of the magnetic assistance unit is arranged on the hollow cylinder (13), and unbinding and separating of the two U-shaped rods (8) can be stably completed while the weight of the weight (15) is reduced.
4. A mine underground operation safety protection device according to claim 3, wherein the magnetic assisting unit comprises a first permanent magnet (33) and a second permanent magnet (34) which are oppositely arranged, the first permanent magnet (33) is arranged in a groove arranged at the bottom of the weight (15), the second permanent magnet (34) is arranged in a groove arranged at the upper end of the hollow cylinder (13), and magnetic poles of opposite ends of the first permanent magnet (33) and the second permanent magnet (34) are opposite.
5. The mine underground operation safety protection device as claimed in claim 4, further comprising a magnetism isolating unit, which is arranged in the inner cavity of the weight (15) and is used for blocking the magnetic force action between the first permanent magnet (33) and the second permanent magnet (34) so as to facilitate the resetting of the weight (15).
6. The mine underground operation safety protection device according to claim 5, wherein the magnetism isolating unit comprises two magnetism isolating plates (35) which are slidably arranged in the inner cavity of the weight (15), one ends of the two magnetism isolating plates (35) are rotatably connected with the lower ends of corresponding stress rods (36), the upper ends of the two stress rods (36) are rotatably connected with the lower ends of pull rings (38) penetrating through the weight (15), and the lower ends of the pull rings (38) are connected with the weight (15) through extension springs (37).
7. The mine underground operation safety protection device according to claim 2, wherein three L-shaped plates (40) are arranged on the outer wall of the cylinder body (11) in the left, right and front three directions.
8. A safety device for mine underground operation according to claim 2, wherein the middle part of the mounting plate (4) is provided with a bulge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411692951.XA CN119163466A (en) | 2024-11-25 | 2024-11-25 | Mine underground operation safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411692951.XA CN119163466A (en) | 2024-11-25 | 2024-11-25 | Mine underground operation safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119163466A true CN119163466A (en) | 2024-12-20 |
Family
ID=93884251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411692951.XA Withdrawn CN119163466A (en) | 2024-11-25 | 2024-11-25 | Mine underground operation safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119163466A (en) |
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| CN103321672A (en) * | 2013-05-28 | 2013-09-25 | 三一汽车起重机械有限公司 | Rescue lifting cabin and release device |
| CN104108371A (en) * | 2014-07-15 | 2014-10-22 | 瑞阜景丰(北京)科技有限公司 | Automatically openable safe lock catch |
| CN108786081A (en) * | 2018-07-27 | 2018-11-13 | 徐玉林 | A kind of wearing armlet with crash |
| CN110656884A (en) * | 2019-11-13 | 2020-01-07 | 永康悠长矿产开采技术有限公司 | Safe mine drilling equipment |
| CN214091917U (en) * | 2021-01-12 | 2021-08-31 | 高炎光 | Supporting safety protection device for underground mining |
| CN215537920U (en) * | 2021-06-11 | 2022-01-18 | 张晓静 | Mine safety self-rescue escape device |
| CN218093121U (en) * | 2022-08-02 | 2022-12-20 | 湖南楚湘矿山工程有限公司 | Protection device is used in mine engineering underground construction |
| CN116771395A (en) * | 2023-06-26 | 2023-09-19 | 玉溪大红山矿业有限公司 | Work platform for preventing falling objects from being injured by smashing and platform work method |
| CN220134009U (en) * | 2023-03-08 | 2023-12-05 | 铜陵有色金属集团股份有限公司 | Circulation type tunnel spraying dust collector |
| WO2024149291A1 (en) * | 2023-01-10 | 2024-07-18 | 张敖明 | Reciprocating disaster lifesaving device |
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2024
- 2024-11-25 CN CN202411692951.XA patent/CN119163466A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321672A (en) * | 2013-05-28 | 2013-09-25 | 三一汽车起重机械有限公司 | Rescue lifting cabin and release device |
| CN104108371A (en) * | 2014-07-15 | 2014-10-22 | 瑞阜景丰(北京)科技有限公司 | Automatically openable safe lock catch |
| CN108786081A (en) * | 2018-07-27 | 2018-11-13 | 徐玉林 | A kind of wearing armlet with crash |
| CN110656884A (en) * | 2019-11-13 | 2020-01-07 | 永康悠长矿产开采技术有限公司 | Safe mine drilling equipment |
| CN214091917U (en) * | 2021-01-12 | 2021-08-31 | 高炎光 | Supporting safety protection device for underground mining |
| CN215537920U (en) * | 2021-06-11 | 2022-01-18 | 张晓静 | Mine safety self-rescue escape device |
| CN218093121U (en) * | 2022-08-02 | 2022-12-20 | 湖南楚湘矿山工程有限公司 | Protection device is used in mine engineering underground construction |
| WO2024149291A1 (en) * | 2023-01-10 | 2024-07-18 | 张敖明 | Reciprocating disaster lifesaving device |
| CN220134009U (en) * | 2023-03-08 | 2023-12-05 | 铜陵有色金属集团股份有限公司 | Circulation type tunnel spraying dust collector |
| CN116771395A (en) * | 2023-06-26 | 2023-09-19 | 玉溪大红山矿业有限公司 | Work platform for preventing falling objects from being injured by smashing and platform work method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20241220 |