CN112240218A - Can prevent coal mining that sand stone dropped and adopt tunnel supporting device - Google Patents
Can prevent coal mining that sand stone dropped and adopt tunnel supporting device Download PDFInfo
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- CN112240218A CN112240218A CN202011108783.7A CN202011108783A CN112240218A CN 112240218 A CN112240218 A CN 112240218A CN 202011108783 A CN202011108783 A CN 202011108783A CN 112240218 A CN112240218 A CN 112240218A
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- 239000004576 sand Substances 0.000 title claims abstract description 23
- 239000004575 stone Substances 0.000 title claims abstract description 22
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000005065 mining Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims abstract 4
- 230000001681 protective effect Effects 0.000 claims description 44
- 238000004804 winding Methods 0.000 claims description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000006378 damage Effects 0.000 abstract description 2
- 238000000151 deposition Methods 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0017—Pile type supports
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a coal mining roadway supporting device capable of preventing sand and stone from falling, which comprises a roadway main body, a supporting rod, a first telescopic mechanism, a lateral supporting shell and a second telescopic mechanism, wherein the supporting rod is arranged in the roadway main body, the first telescopic mechanism is fixed on the left side and the right side of the supporting rod, the lateral supporting shell is arranged at the outer end of the first telescopic mechanism, an installation shell is embedded at the upper end of the supporting rod, and the second telescopic mechanism is installed on the upper surface of the installation shell. This coal mining that can prevent sand stone and drop adopts roadway support device to be provided with first protection network, first connecting plate and first rolling axle, and the first connecting plate of accessible pulls out first protection network after the device installation, makes the grit that first protection network can drop roadway main part upper end shelter from, avoids the grit whereabouts to cause the damage to the operation personnel, and follow-up first rolling axle can be accomodate first protection network through torque spring simultaneously, makes things convenient for depositing and removing of device.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a coal mining roadway supporting device capable of preventing sand and stones from falling.
Background
The tunnel is the passageway that provides operation passageway and operation space among the coal mining process, generally forms through the mode of excavation, carries out the construction in-process in the tunnel, because the inside cavity in tunnel behind the excavation leads to the tunnel top to bear great soil pressure, so need timely after the excavation consolidate the processing to the tunnel inner wall, cooperation strutting arrangement supports the inner wall simultaneously, be convenient for maintain it to appointed use strength, but current tunnel strutting arrangement still has some weak points when using:
1. the existing roadway support device can not protect the gravels falling from the inner wall of the roadway after being installed, when larger gravels fall, workers working in the roadway are easily injured by pounding, and the device can not shield and protect the falling gravels, so that the use safety of the device is reduced;
2. its side direction of current roadway support device supports for guaranteeing and the stability of being connected between the tunnel, and its side direction supporting surface all can set up point portion arch, and the protruding stability that can improve side direction support after inserting in the tunnel of point portion, but when the device removed or was idle, the easy fish tail personnel of the protruding thing of point portion, the device can not carry out certain accomodating to it, has reduced the functional of device.
In order to solve the problems, innovative design is urgently needed on the basis of the original roadway supporting device.
Disclosure of Invention
The invention aims to provide a roadway support device for coal mining, which can prevent sand and stone from falling off, and solves the problems that the existing roadway support device in the prior market, which is provided by the background technology, can not protect sand and stone falling off the inner wall of a roadway after being installed, workers working in the roadway are easily injured by smashing when larger sand and stone fall off, the device can not shield and protect the falling sand and stone, the existing roadway support device ensures the stability of connection between the existing roadway support device and the roadway by laterally supporting surfaces of the existing roadway support device, and the lateral support stability can be improved after the tip bulges are inserted into the roadway, but when the device is moved or is idle, the personnel are easily scratched by the bulges at the tip parts.
In order to achieve the purpose, the invention provides the following technical scheme: a coal mining roadway supporting device capable of preventing sand and stones from falling comprises a roadway main body, a supporting rod, a first telescopic mechanism, a lateral supporting shell and a second telescopic mechanism, wherein the supporting rod is arranged inside the roadway main body, the left side and the right side of the supporting rod are respectively fixed with the first telescopic mechanism, the outer end of the first telescopic mechanism is provided with the lateral supporting shell, the upper end of the supporting rod is inlaid with an installation shell, the upper surface of the installation shell is provided with the second telescopic mechanism, the upper end of the second telescopic mechanism is fixed with a top supporting plate, the upper surface of the top supporting plate is attached to the inner wall of the roadway main body, a first winding shaft is arranged inside the installation shell, a first torsion spring is arranged outside the first winding shaft, the surface of the first winding shaft is wound with a first protective net, a mounting plate is arranged inside the lateral supporting shell, and the inner side surface of the mounting plate is connected with the first telescopic mechanism, and the outer side surface of the mounting plate is embedded with a reinforcing head, the outer side of the mounting plate is provided with a first return spring, and the first reset spring is positioned inside the lateral support shell, the outer end of the first protective net is provided with a first connecting plate, the lower surface of the first connecting plate is embedded with a fixing plate, and the lower end of the fixed plate is embedded with a synchronous plate, the outer end of the synchronous plate is provided with a third telescopic mechanism, the outer end of the third telescopic mechanism is fixed with a connecting shell, a fixed rod is arranged at the outer side of the connecting shell, a second connecting plate is embedded at the outer end of the fixed rod, a positioning block is embedded on the surface of the second connecting plate, and a second protective net is fixed on the surface of the positioning block, the inner end of the second protective net is connected with a second winding shaft, and the second winding shaft is positioned inside the lateral support shell, and a second torsion spring is arranged on the surface of the second winding shaft.
Preferably, the cavity is formed in the lateral support shell, the lateral support shell and the first telescopic mechanism are arranged in bilateral symmetry about a vertical center line of the support rod, and a horizontal center line of the lateral support shell and a horizontal center line of the first telescopic mechanism are arranged in a superposition mode.
Preferably, an integrated structure is formed between the mounting shell and the supporting rod, the mounting shell and the first winding shaft are connected through a bearing, and the first winding shaft is symmetrically arranged in front and back directions relative to a vertical center line of the mounting shell.
Preferably, a left-right sliding structure is formed between the mounting plate and the cavity, an integrated structure is formed between the mounting plate and the reinforcing head, and the outer side of the reinforcing head is designed in a tip-shaped structure.
Preferably, the reinforcing head is arranged in an up-and-down symmetrical mode about a horizontal center line of the mounting plate, the mounting plate and the first return spring are connected in an embedded mode, and the first return spring and the cavity are connected in an embedded mode.
Preferably, the first connecting plate is connected with the synchronizing plate through a fixing plate, the first connecting plate is in screw connection with the first protective net, and the first protective net is in screw connection with the first winding shaft.
Preferably, the movable rod is inlaid at the inner end of the fixed rod, the inner end of the movable rod is connected with a second return spring, the second return spring is located inside the connecting shell, and the fixed rod is arranged in a bilateral symmetry mode about the vertical center line of the synchronous plate.
Preferably, the fixed rod forms a left-right telescopic structure through the movable rod and the connecting shell, an integrated structure is formed between the fixed rod and the second connecting plate, and an integrated structure is formed between the second connecting plate and the positioning block.
Preferably, a clamping structure is formed between the positioning block and the lateral support shell, the positioning block is connected with the second winding shaft through a second protective net, and a rotating structure is formed between the second winding shaft and the lateral support shell.
Compared with the prior art, the invention has the beneficial effects that: the roadway support device for coal mining can prevent sand and stone from falling;
(1) the first protective net, the first connecting plate and the first winding shaft are arranged, the first protective net can be pulled out through the first connecting plate after the device is installed, so that the first protective net can shield gravels falling from the upper end of the roadway main body, the injury to operators caused by the falling of the gravels is avoided, meanwhile, the subsequent first winding shaft can accommodate the first protective net through a torsion spring, and the storage and the movement of the device are facilitated;
(2) the second protective net and the fixed rod are arranged, so that the side wall of the roadway main body can be protected through the second protective net, the side gravel is prevented from falling, the protection capability of the device is improved, the second protective net is connected through the fixed rod and the third telescopic mechanism, when the lateral supporting plate moves, the fixed rod can automatically adjust the position through the movement of the movable rod in the connecting shell, the second protective net is conveniently pulled out subsequently, and the device is more flexible;
(3) be provided with mounting panel and first reset spring, can set up the reinforcement head that is used for consolidating the connection on the surface of mounting panel, first reset spring can promote the side direction and support the shell and remove when the device is idle, makes in the reinforcement head can be accomodate the cavity, avoids it directly to expose outside, has reduced personnel by the possibility of fish tail, increases the functional and the safety in utilization of device.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the reinforcement joint of the present invention;
FIG. 6 is a schematic view of a main sectional structure of the connecting shell of the present invention;
FIG. 7 is a schematic view of a main sectional structure of the lateral support shell of the present invention;
FIG. 8 is a schematic top view of the mounting housing of the present invention;
FIG. 9 is a schematic top-down view of the lateral support shell of the present invention.
In the figure: 1. a roadway main body; 2. a support bar; 3. a first telescoping mechanism; 4. a lateral support shell; 401. a cavity; 5. mounting a shell; 6. a second telescoping mechanism; 7. a top support plate; 8. a first protection net; 9. a first winding shaft; 10. a first torsion spring; 11. mounting a plate; 12. reinforcing heads; 13. a first return spring; 14. a first connecting plate; 15. a fixing plate; 16. a synchronization board; 17. a third telescoping mechanism; 18. a connecting shell; 19. fixing the rod; 1901. a movable rod; 1902. a second return spring; 20. a second connecting plate; 21. positioning blocks; 22. a second protective net; 23. a second wind-up reel; 24. a second torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a coal mining roadway supporting device capable of preventing sand and stone from falling comprises a roadway main body 1, supporting rods 2, a first telescopic mechanism 3, a lateral supporting shell 4, an installation shell 5, a second telescopic mechanism 6, a top supporting plate 7, a first protective net 8, a first winding shaft 9, a first torsion spring 10, an installation plate 11, a reinforcing head 12, a first reset spring 13, a first connecting plate 14, a fixed plate 15, a synchronous plate 16, a third telescopic mechanism 17, a connecting shell 18, a fixed rod 19, a second connecting plate 20, a positioning block 21, a second protective net 22, a second winding shaft 23 and a second torsion spring 24, wherein the supporting rods 2 are arranged in the roadway main body 1, the first telescopic mechanisms 3 are fixed on the left side and the right side of each supporting rod 2, the lateral supporting shell 4 is arranged at the outer end of the first telescopic mechanism 3, the installation shell 5 is inlaid at the upper end of each supporting rod 2, and the second telescopic mechanism 6 is installed on the upper surface of the installation shell 5, a top supporting plate 7 is fixed at the upper end of the second telescopic mechanism 6, the upper surface of the top supporting plate 7 is attached to the inner wall of the roadway body 1, a first winding shaft 9 is arranged inside the mounting shell 5, a first torsion spring 10 is arranged outside the first winding shaft 9, a first protective net 8 is wound on the surface of the first winding shaft 9, a mounting plate 11 is arranged inside the lateral supporting shell 4, the inner side surface of the mounting plate 11 is connected with the first telescopic mechanism 3, a reinforcing head 12 is embedded on the outer side surface of the mounting plate 11, a first return spring 13 is arranged outside the mounting plate 11, the first return spring 13 is positioned inside the lateral supporting shell 4, a first connecting plate 14 is arranged at the outer end of the first protective net 8, a fixing plate 15 is embedded on the lower surface of the first connecting plate 14, a synchronous plate 16 is embedded at the lower end of the fixing plate 15, a third telescopic mechanism 17 is installed at the outer end of the synchronous plate 16, a connecting shell 18 is fixed at the outer end of the third telescopic mechanism 17, a fixing rod 19 is arranged at the outer side of the connecting shell 18, a second connecting plate 20 is inlaid at the outer end of the fixing rod 19, a positioning block 21 is inlaid on the surface of the second connecting plate 20, a second protective net 22 is fixed on the surface of the positioning block 21, a second winding shaft 23 is connected to the inner end of the second protective net 22, the second winding shaft 23 is located inside the lateral support shell 4, and a second torsion spring 24 is mounted on the surface of the second winding shaft 23;
the cavity 401 is formed in the lateral support shell 4, the lateral support shell 4 and the first telescopic mechanism 3 are arranged in bilateral symmetry about the vertical center line of the support rod 2, the horizontal center line of the lateral support shell 4 and the horizontal center line of the first telescopic mechanism 3 are arranged in a superposition manner, the structural design can provide a storage space for the subsequent reinforcement head 12 through the cavity 401, and meanwhile, the left side and the right side of the roadway body 1 can be supported through the matching of the first telescopic mechanism 3 and the lateral support shell 4;
an integrated structure is formed between the mounting shell 5 and the supporting rod 2, the mounting shell 5 and the first winding shaft 9 are connected through a bearing, the first winding shaft 9 is symmetrically arranged in front and back of the vertical central line of the mounting shell 5, the subsequent first winding shaft 9 can rotate in cooperation with the first torsion spring 10 through the structural design, the first protective net 8 is wound, and meanwhile similar devices can simultaneously protect the front side and the back side of the supporting rod 2 from sand falling;
a left-right sliding structure is formed between the mounting plate 11 and the cavity 401, an integrated structure is formed between the mounting plate 11 and the reinforcing head 12, and the outer side of the reinforcing head 12 is in a pointed structural design, so that the subsequent mounting plate 11 can move in the cavity 401, the reinforcing head 12 can be taken into the cavity 401, and the reinforcing head 12 is prevented from damaging operators in the moving process of the device;
the reinforcing heads 12 are arranged in an up-down symmetrical mode about the horizontal center line of the mounting plate 11, the mounting plate 11 and the first return spring 13 are in embedded connection, the first return spring 13 and the cavity 401 are in embedded connection, and the structural design enables the first return spring 13 to push the lateral support shell 4 to move after the subsequent first telescopic mechanism 3 retracts, so that relative displacement is generated between the lateral support shell and the reinforcing heads 12, and the reinforcing heads 12 are convenient to store;
the first connecting plate 14 is connected with the synchronizing plate 16 through the fixing plate 15, the first connecting plate 14 is in screw connection with the first protective net 8, and the first protective net 8 is in screw connection with the first winding shaft 9, and the following synchronizing plate 16 can drive the first connecting plate 14 to synchronously move through the fixing plate 15 when moving due to the structural design, so that the first protective net 8 is pulled out, and the upper part of the roadway body 1 is protected;
the inner end of the fixed rod 19 is inlaid with a movable rod 1901, the inner end of the movable rod 1901 is connected with a second return spring 1902, the second return spring 1902 is located inside the connecting shell 18, and meanwhile, the fixed rod 19 is arranged in bilateral symmetry with respect to the vertical center line of the synchronizing plate 16, the above structural design can connect the adjacent second connecting plates 20 through the fixed rod 19, so that the adjacent second connecting plates can move synchronously subsequently, and the second protective net 22 is pulled out to protect the side wall of the roadway body 1;
the fixed rod 19 forms a left-right telescopic structure through the movable rod 1901 and the connecting shell 18, an integrated structure is formed between the fixed rod 19 and the second connecting plate 20, and an integrated structure is formed between the second connecting plate 20 and the positioning block 21, and the above structural design enables the fixed rod 19 to be adapted through the telescopic action of the movable rod 1901 in the connecting shell 18 when the subsequent lateral supporting shell 4 moves under the action of the first telescopic mechanism 3, so that the position of the subsequent synchronizing plate 16 can be kept stable;
the positioning block 21 and the lateral support shell 4 form a clamping structure, the positioning block 21 is connected with the second winding shaft 23 through the second protective net 22, and a rotating structure is formed between the second winding shaft 23 and the lateral support shell 4, the positioning block 21 can be clamped into the lateral support shell 4 to be stably kept after the second protective net 22 is folded, and the position of the second connecting plate 20 can be stably kept.
The working principle is as follows: when the roadway support device capable of preventing sand and stone from falling for coal mining is used, firstly, according to the figures 1 and 2, the device can be moved to the position to be supported in the roadway main body 1, and as shown in the figures 4 and 5, the reinforcing head 12 is stored in the cavity 401 in the lateral support shell 4 under the action of the first return spring 13 in the default state, so that the situation that the reinforcing head 12 scratches outside personnel or objects when the device is moved is avoided, the first telescopic mechanism 3 and the second telescopic mechanism 6 can be sequentially started when the device is used, the first telescopic mechanism 3 pushes the mounting plate 11 and the lateral support shell 4 to move, after the lateral support shell 4 is attached to the side wall of the roadway main body 1, the first telescopic mechanism 3 continuously extends out, the mounting plate 11 is pushed to extrude the first return spring 13, the reinforcing head 12 extends out at the same time to be engaged with the side wall of the roadway main body 1, and the stability of connection between the lateral support shell 4 and the roadway main body 1 is improved, when the first telescopic mechanism 3 pushes the lateral support shell 4 to move, the movable rod 1901 moves in the connection shell 18, so that the position of the synchronization plate 16 can be kept stable, and the first connection plate 14 and the second connection plate 20 can be conveniently controlled to move subsequently;
after the installation, the synchronizing plate 16 can be pulled, as shown in fig. 3, 7, 8 and 9, the synchronizing plate 16 will respectively pull the second connecting plate 20 and the first connecting plate 14 through the fixing rod 19 and the fixing plate 15 to move, the first connecting plate 14 and the second connecting plate 20 will respectively pull the first protective net 8 and the second protective net 22 to unreel on the first reeling shaft 9 and the second reeling shaft 23 to protect the inner side of the roadway body 1, so as to shield the falling gravel and ensure the safety of the area below the gravel, after being pulled out to a proper position, the third telescoping mechanism 17 can be started to push the second connecting plate 20 to move, so as to attach the second connecting plate 20 to the inner wall of the roadway body 1, fix the position of the second connecting plate 20, and simultaneously keep the position of the first connecting plate 14 stable, at this time, the first protective net 8 and the second protective net 22 can provide effective protection for the interior of the roadway body 1, when the first protective net 8 and the second protective net 22 need to be stored subsequently, the third telescopic mechanism 17 can be controlled to contract first, the extrusion between the second connecting plate 20 and the roadway body 1 is relieved, the first winding shaft 9 and the second winding shaft 23 rotate under the action of the first torsion spring 10 and the second torsion spring 24 respectively, the first protective net 8 and the second protective net 22 are stored, and the functionality and the use safety of the device are improved.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a but roadway support device for coal mining that sand stone dropped, includes tunnel main part (1), bracing piece (2), first telescopic machanism (3), side direction support shell (4) and second telescopic machanism (6), its characterized in that: the supporting rod (2) is arranged in the roadway main body (1), the left side and the right side of the supporting rod (2) are respectively and fixedly provided with a first telescopic mechanism (3), the outer end of the first telescopic mechanism (3) is provided with a lateral supporting shell (4), the upper end of the supporting rod (2) is inlaid with an installation shell (5), the upper surface of the installation shell (5) is provided with a second telescopic mechanism (6), the upper end of the second telescopic mechanism (6) is fixedly provided with a top supporting plate (7), the upper surface of the top supporting plate (7) is attached to the inner wall of the roadway main body (1), a first winding shaft (9) is arranged in the installation shell (5), a first torsion spring (10) is arranged on the outer side of the first winding shaft (9), a first protective net (8) is wound on the surface of the first winding shaft (9), an installation plate (11) is arranged in the lateral supporting shell (4), the inner side surface of the mounting plate (11) is connected with the first telescopic mechanism (3), the outer side surface of the mounting plate (11) is inlaid with a reinforcing head (12), the outer side of the mounting plate (11) is provided with a first reset spring (13), the first reset spring (13) is positioned inside the lateral support shell (4), the outer end of the first protective net (8) is provided with a first connecting plate (14), the lower surface of the first connecting plate (14) is inlaid with a fixing plate (15), the lower end of the fixing plate (15) is inlaid with a synchronous plate (16), the outer end of the synchronous plate (16) is provided with a third telescopic mechanism (17), the outer end of the third telescopic mechanism (17) is fixed with a connecting shell (18), the outer side of the connecting shell (18) is provided with a fixing rod (19), the outer end of the fixing rod (19) is inlaid with a second connecting plate (20), and a positioning block (21) is embedded in the surface of the second connecting plate (20), a second protective net (22) is fixed on the surface of the positioning block (21), the inner end of the second protective net (22) is connected with a second winding shaft (23), the second winding shaft (23) is located inside the lateral support shell (4), and a second torsion spring (24) is mounted on the surface of the second winding shaft (23).
2. The roadway support device for coal mining capable of preventing sand and stone from falling off according to claim 1, wherein: cavity (401) have been seted up to the inside of side direction support shell (4), and side direction support shell (4) and first telescopic machanism (3) set up about the vertical central line bilateral symmetry of bracing piece (2), and the horizontal central line of side direction support shell (4) and the horizontal central line coincidence of first telescopic machanism (3) set up.
3. The roadway support device for coal mining capable of preventing sand and stone from falling off according to claim 1, wherein: constitute the integral structure between installation shell (5) and bracing piece (2), and constitute the bearing between installation shell (5) and first rolling axle (9) and connect to first rolling axle (9) are around the vertical central line symmetry setting of installation shell (5).
4. The roadway support device for coal mining capable of preventing sand and stone from falling off according to claim 2, wherein: constitute left and right sliding structure between mounting panel (11) and cavity (401), and constitute the integral structure between mounting panel (11) and reinforcement head (12) to the outside of reinforcement head (12) is most advanced column structure design.
5. The roadway support device for coal mining capable of preventing sand and stone from falling off according to claim 2, wherein: the reinforcing head (12) is arranged in an up-and-down symmetrical mode about the horizontal center line of the mounting plate (11), the mounting plate (11) and the first return spring (13) are connected in an embedded mode, and the first return spring (13) and the cavity (401) are connected in an embedded mode.
6. The roadway support device for coal mining capable of preventing sand and stone from falling off according to claim 1, wherein: the first connecting plate (14) is connected with the synchronous plate (16) through a fixing plate (15), the first connecting plate (14) is in screw connection with the first protective net (8), and the first protective net (8) is in screw connection with the first winding shaft (9).
7. The roadway support device for coal mining capable of preventing sand and stone from falling off according to claim 1, wherein: the inner of dead lever (19) is inlayed and is had movable rod (1901), and the inner of movable rod (1901) is connected with second reset spring (1902), and second reset spring (1902) are located the inside of connecting shell (18), and dead lever (19) are simultaneously about the vertical central line bilateral symmetry setting of synchronizing plate (16).
8. The roadway support device for coal mining capable of preventing sand and stone from falling off according to claim 7, wherein: the fixed rod (19) forms a left-right telescopic structure through the movable rod (1901) and the connecting shell (18), an integrated structure is formed between the fixed rod (19) and the second connecting plate (20), and an integrated structure is formed between the second connecting plate (20) and the positioning block (21).
9. The roadway support device for coal mining capable of preventing sand and stone from falling off according to claim 1, wherein: a clamping structure is formed between the positioning block (21) and the lateral support shell (4), the positioning block (21) is connected with a second winding shaft (23) through a second protective net (22), and a rotating structure is formed between the second winding shaft (23) and the lateral support shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108783.7A CN112240218B (en) | 2020-10-16 | 2020-10-16 | Can prevent coal mining that sand stone dropped and adopt tunnel supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108783.7A CN112240218B (en) | 2020-10-16 | 2020-10-16 | Can prevent coal mining that sand stone dropped and adopt tunnel supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112240218A true CN112240218A (en) | 2021-01-19 |
| CN112240218B CN112240218B (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011108783.7A Active CN112240218B (en) | 2020-10-16 | 2020-10-16 | Can prevent coal mining that sand stone dropped and adopt tunnel supporting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112240218B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263380A (en) * | 2022-06-24 | 2022-11-01 | 徐州安普瑞特能源科技有限公司 | Mine hole mining protection equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612499A (en) * | 1979-07-06 | 1981-02-06 | Charbonnages De France | Selffmovable timbering gauntry and capper for selffmovable timbering gauntry |
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| CN207229144U (en) * | 2017-10-10 | 2018-04-13 | 湖南工学院 | A kind of colliery construction safety device |
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| CN115263380A (en) * | 2022-06-24 | 2022-11-01 | 徐州安普瑞特能源科技有限公司 | Mine hole mining protection equipment |
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| Publication number | Publication date |
|---|---|
| CN112240218B (en) | 2022-09-30 |
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Denomination of invention: A roadway support device for preventing sand and stones from falling in coal mines Effective date of registration: 20230608 Granted publication date: 20220930 Pledgee: Postal Savings Bank of China Co.,Ltd. Tai'an Mount Taishan District Sub branch Pledgor: SHANDONG SUCCEED MINING SAFETY ENGINEERING Co.,Ltd. Registration number: Y2023980043214 |
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