CN215408704U - Emergency rescue device with support function under coal mine - Google Patents
Emergency rescue device with support function under coal mine Download PDFInfo
- Publication number
- CN215408704U CN215408704U CN202121809112.3U CN202121809112U CN215408704U CN 215408704 U CN215408704 U CN 215408704U CN 202121809112 U CN202121809112 U CN 202121809112U CN 215408704 U CN215408704 U CN 215408704U
- Authority
- CN
- China
- Prior art keywords
- air cavity
- hole
- rod
- ejector pin
- emergency rescue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 4
- 239000011435 rock Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Landscapes
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The utility model discloses an emergency rescue device with a support function in a coal mine well, which comprises a hydraulic rod arranged above a base and clamped and fixed with the base, wherein the hydraulic rod moves upwards a fixing plate to a proper height, a pressurizing unit works, a support mechanism moves upwards, a telescopic rod extends to different degrees according to the depression degree of a hollow part, a top plate is hinged with the fixing rod, the inclination angle of the hydraulic rod is adjusted according to the inclination degree of the joint part, the device is tightly attached to the inner wall of a mine hole and is drilled into the fixing mechanism, and an ejector pin in the fixing mechanism expands and fixes two sides, so that the top plate and a rock-soil layer are integrally fixed, and secondary collapse is prevented under the action of support force and fastening force.
Description
Technical Field
The utility model relates to the technical field of emergency rescue, in particular to an emergency rescue device with a support function under a coal mine.
Background
China is countless in the accident that coal mining in-process takes place, and the reason that the coal mine disaster takes place is more, so also comparatively difficult to the rescue of accident, the coal mine takes place to collapse and is exactly one of more common accident, when collapsing and taking place, the staff is far away from the export, it is unrealistic to directly flee from the accident scene, and the inevitable meeting of accident causes the wounded, need the succour, it is necessary consequently to build protection machanism at the scene after the accident takes place, a protection canopy is basically built to current protection machanism, but the device can not avoid the secondary of cave in, and the detritus that the top dropped can also lead to the fact the destruction of different degree to protective equipment.
Therefore, the emergency rescue device with the support function under the coal mine well is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides an emergency rescue device with a support function in a coal mine, the emergency rescue device is horizontally provided with a plurality of groups of support mechanisms, a telescopic rod is introduced to stretch and retract at different heights according to actual conditions to jack, a top plate at the top of the telescopic rod is hinged with a fixed rod, the angle of an uneven wall surface can be automatically adjusted, a fixing mechanism is arranged in the top plate, the fixing mechanism can relatively fix the top plate and a wall, the relative fixed support of the top plate and the mine wall is realized, top rock soil is prevented from falling, and secondary collapse of a mine hole is prevented.
In order to achieve the purpose, the utility model provides an emergency rescue device with a support function for a coal mine underground, which comprises a hydraulic rod arranged above a base and clamped and fixed with the base, and further comprises:
the fixing plate is arranged above the hydraulic rod and fixedly connected with the hydraulic rod, a group of air cavity I is horizontally arranged in the fixing plate, a group of pressurizing units stretching into the air cavity I is installed on the left side wall of the fixing plate, a plurality of groups of telescopic grooves communicated with the air cavity I are formed in the upper surface of the fixing plate, a supporting mechanism is sleeved in the telescopic grooves in a sliding mode and comprises a top plate and a telescopic rod, an air cavity II is formed in the height direction of the telescopic rod, an air cavity III communicated with the air cavity II is formed in the top plate, a plurality of groups of through holes I communicated with the air cavity III are horizontally arranged on the upper surface of the top plate, and a group of supporting plates slidably connected with the air cavity III is arranged in the air cavity III;
set up in backup pad top and through-hole sliding connection's fixed establishment, fixed establishment includes ejector pin, a pair of fagging and thimble, and a pair of fagging sets up along ejector pin centrosymmetry, and the cavity has been seted up to the body of rod inside, sets up the through-hole two of a plurality of groups and the inside cavity intercommunication of ejector pin on the both sides surface direction of height of the body of rod, and the thimble sets up in one side and the two sliding connection of through-hole of fagging.
In this embodiment, the fixed plate sets up in the hydraulic stem top, because the ore wall height after collapsing differs and unevenness, during the use of this equipment, adjust the hydraulic stem and rise to suitable position, pressurization unit work, be full of gas in air cavity one and the air cavity two, pressure increases gradually and promotes the piston and shifts up, the piston promotes to move on the telescopic link, a plurality of groups of telescopic links carry out shifting up of different degrees according to the condition of ore wall, roof on the supporting mechanism carries out the laminating of different angles to the ore wall of unevenness department, accomplish preliminary support.
It should be noted that, after the preliminary completion of supporting mechanism supported, along with the pressure in the air cavity one constantly increases, the one-way pressure valve is opened, gas flows into the inside air cavity three of roof, the supporting plate rebound stretches out the ejector pin and inserts to the ground in the air cavity three, when fixed knot constructs and stretches out completely, the kicking block compression clamp plate, the kicking plug is by ejecting through-hole three, gas flows into the inside cavity of ejector pin in the air cavity three, and promote two sets of faggings in the ejector pin cavity to move to both sides and stretch into to the ground pore wall and fix with the ground pore wall, the fixed laminating of roof and mine wall has been accomplished, prevent droing of roof, prevent the possibility that the secondary of mine wall collapses under holding power and fastening force effect.
The upper surface of backup pad is provided with a set of recess, two sets of springs of bottom fixedly connected with of recess, the one end fixedly connected with clamp plate of recess is kept away from to the spring, a set of branch of fixedly connected with under the right-hand member of clamp plate, the below of branch is provided with a set of kicking plug, the bottom right-hand member of recess is seted up a set of through-hole three that communicates with the air cavity, the kicking plug sets up in through-hole three with three sliding connection of through-hole, one side fixed mounting that the roof department is close to in the three roof bottoms of air cavity has a set of kicking block, a set of through-hole four that communicates with the ejector pin cavity is seted up to the bottom of ejector pin.
It is specific, the upper surface of backup pad is seted up flutedly, be provided with the clamp plate on the recess, the recess passes through spring coupling with the clamp plate, the ejector plug is installed to the right side bottom of depression bar, three sliding connection in ejector plug and through-hole, when the ejector pin stretches into the mine wall promptly, through-hole three is the closure state, after the ejector pin stretches into completely, ejector block compression clamp plate moves down, through-hole three is opened, the fagging removes to both sides, it is tentatively fixed to have accomplished the ejector pin earlier to accomplish, prop tight fixed order again, prevent to prop tightly and the unable fixed condition in advance, the width of clamp plate is less than the diameter of ejector plug still, be compressed completely promptly as the clamp plate, four flows into to the inside cavity of roof in gaseous accessible through-hole.
The top fixed mounting of telescopic link has a set of dead lever, and the upper surface of ejector pin is the arc design and articulates with the lower surface middle part of roof.
It should be noted that the top of the telescopic rod is fixed with a fixed rod, the top of the fixed rod is hinged with the middle of the lower surface of the top plate, and the angle between the fixed rod and the top plate can be adjusted relatively to adapt to the uneven mine wall.
The bottom fixed mounting in flexible groove has the spacing ring, and a set of and flexible inslot wall fixed connection's rubber ring is installed at the top in flexible groove.
Specifically, the stopper is installed to flexible tank bottom portion, has restricted the removal route of piston and telescopic link promptly, prevents droing of piston and influence the device operation, and the rubber ring at flexible tank top has further guaranteed the gas tightness in the flexible inslot.
A group of pistons which are in sliding sleeve joint with the telescopic grooves are arranged below the telescopic rods, a fifth through hole communicated with the second air cavity is formed in the middle of each piston, and a group of one-way pressure valves are fixedly connected to the inner walls of the fifth through holes.
It should be noted that, the below of telescopic link is provided with the piston in the flexible inslot, and the piston can carry out the ejection to the telescopic link, and through-hole five and fixed mounting have been seted up at the piston middle part a set of one-way pressure valve, and preliminary roof is accomplished to the mine wall promptly and is propped the back, and along with pressure constantly increases to certain numerical value in air cavity one, the one-way pressure valve is opened, fixes on next step.
One side of the telescopic rod is provided with a group of exhaust holes, the left side of the lower surface of the top plate is provided with an air inlet communicated with the air cavity III, and a group of air guide hoses are connected between the air inlet and the exhaust holes.
It should be noted that the air inlet hole is communicated with the air exhaust hole through the air guide hose, so that the air is transmitted to the air cavity III, in addition, the rod body of the ejector rod is designed in a cuboid shape, the top of the ejector rod is designed in a pointed shape, the ejector rod structure can be disassembled, the installation is convenient, and rubber pads are installed on two side walls of the through hole at the top of the top plate to prevent the air from leaking.
It should be noted that the pressurizing unit may adopt a device such as an air pump, and the inside of the ejector rod is designed as a cavity, but the inner wall thickness thereof is relatively high, and although the ejector pin weakens the strength thereof, the strength is sufficient for use.
The utility model discloses an emergency rescue device with a support function under a coal mine, which has the following beneficial effects:
the utility model relates to an emergency rescue device with a support function in a coal mine, which is characterized in that a hydraulic rod is arranged above a base and is clamped and fixed with the base, the hydraulic rod moves up a support plate to a proper height, a pressurizing unit works, a support mechanism moves up, telescopic rods extend to different degrees according to the depression degree of a hollow position to complete height adjustment, a top plate is hinged with a top rod, the inclination angle of the top plate is adjusted according to the inclination degree of the joint position, the device is tightly jointed with the inner wall of a mine hole, finally, a fixing mechanism is drilled, and ejector pins in a cavity of the fixing mechanism are used for expanding and fixing two sides, so that the top plate and a rock-soil layer are integrally fixed, and secondary collapse is prevented under the action of support force and fastening force.
There have been disclosed in detail certain embodiments of the utility model with reference to the following description and drawings, and it is to be understood that the embodiments of the utility model are not limited thereby, but are intended to cover within the spirit and scope of the appended claims, many changes, modifications, and equivalents.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the supporting mechanism of the present invention;
fig. 3 is a schematic view of the internal structure of the carrier rod of the present invention.
In the figure: the device comprises a base 1, a hydraulic rod 2, a pressurizing unit 3, a fixing plate 4, a fixing rod 5, a telescopic groove 6, a telescopic rod 7, a piston 8, a second air cavity 9, a top plate 10, a first air cavity 11, an air guide hose 12, a one-way pressure valve 13, a supporting plate 14, a top rod 15, a top block 16, a third through hole 17, a supporting plate 18, a pressing plate 19, a spring 20, a top plug 21, a supporting rod 22, a thimble 23, a fourth through hole 24, a first through hole 25, a second through hole 26, a groove 27, a fifth through hole 28 and a third air cavity 29.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
Detailed Description
Referring to the attached drawings 1-3 in the specification, the utility model provides a technical scheme: the utility model provides a colliery has emergency rescue device of support function in pit, is including setting up in 1 top of base and the fixed hydraulic stem 2 of 1 block of base, still includes:
the fixing plate 4 is arranged above the hydraulic rod 2 and fixedly connected with the hydraulic rod 2, a group of air cavities I11 is horizontally arranged in the fixing plate 4, a group of pressurizing units 3 extending into the air cavities I11 is installed on the left side wall of the fixing plate 4, a plurality of groups of telescopic grooves 6 communicated with the air cavities I11 are formed in the upper surface of the fixing plate 4, a supporting mechanism is sleeved in the telescopic grooves 6 in a sliding mode and comprises a top plate 10 and telescopic rods 7, an air cavity II 9 is formed in the telescopic rods 7 in the height direction, an air cavity III 29 communicated with the air cavity II 9 is formed in the top plate 10, a plurality of groups of through holes I25 communicated with the air cavity III 29 are horizontally arranged on the upper surface of the top plate 10, and a group of supporting plates 14 slidably connected with the air cavity III 29 is arranged in the air cavity III 29;
set up in 14 tops of backup pad and through-hole sliding connection's fixed establishment, fixed establishment includes ejector pin 15, a pair of fagging 18 and thimble 23, and a pair of fagging 18 sets up along ejector pin 15 centrosymmetric, and the cavity has been seted up to the body of rod inside, sets up the second 26 of through-hole of a plurality of groups and the inside cavity intercommunication of ejector pin 15 on the both sides surface direction of height of the body of rod, and thimble 23 sets up in one side and the second 26 sliding connection of through-hole of fagging 18.
In this embodiment, fixed plate 4 sets up in 2 tops of hydraulic stem, because the ore wall height after collapsing differs and unevenness, during the use of this equipment, adjust hydraulic stem 2 and rise to suitable position, pressurization unit 3 work, be full of gas in air cavity one 11 and the air cavity two 9, pressure increases gradually and promotes piston 8 and move up, piston 8 promotes to move on the telescopic link 7, a plurality of groups telescopic link 7 carry out not equidimension according to the condition of ore wall and shift up, roof 10 on the supporting mechanism carries out the laminating of different angles to the ore wall of unevenness, accomplish preliminary support.
It should be noted that, after the supporting mechanism primarily completes supporting, as the pressure in the air cavity one 11 continuously increases, the one-way pressure valve 13 is opened, the gas flows into the air cavity three 29 inside the top plate 10, the support plate 14 in the air cavity three 29 moves upwards to extend out of the ejector rod 15 and be inserted into rock soil, when the fixing structure completely extends out, the ejector block 16 compresses the press plate 19, the ejector plug 21 is ejected out of the through hole three 17, the gas in the air cavity three 29 flows into the cavity inside the ejector rod 15, and two groups of support plates 18 in the cavity of the ejector rod 15 are pushed to move towards two sides to extend into the wall of the rock soil and be fixed with the wall of the rock soil, so that the fixed attaching of the top plate 10 and the mine wall is completed, the top plate 10 is prevented from falling off, and the possibility of secondary collapse of the mine wall is prevented under the action of the supporting force and the fastening force.
The upper surface of backup pad 14 is provided with a set of recess 27, two sets of springs 20 of bottom fixedly connected with of recess 27, spring 20 keeps away from one end fixedly connected with clamp plate 19 of recess 27, a set of branch 22 of lower fixed connection of right-hand member of clamp plate 19, the below of branch 22 is provided with a set of kicking plug 21, a set of through-hole three 17 that communicates with three 29 of air cavities is seted up to the bottom right-hand member of recess 27, kicking plug 21 sets up in through-hole two 26 with three 17 sliding connection of through-hole, one side fixed mounting that the roof bottom of three 29 of air cavities is close to ejector pin 15 department has a set of kicking block 16, a set of through-hole four 24 with ejector pin 15 cavity intercommunication is seted up to the bottom of ejector pin 15.
Specifically, the upper surface of backup pad 14 is seted up flutedly 27, be provided with clamp plate 19 on the recess 27, recess 27 passes through spring 20 with clamp plate 19 and is connected, top stopper 21 is installed to the right side bottom of depression bar, top stopper 21 and three 17 sliding connection of through-hole, when ejector pin 15 stretches into the ore wall promptly, through-hole three 17 is the closure state, after ejector pin 15 stretches into completely, kicking block 16 compression clamp plate 19 moves down, through-hole three 17 is opened, fagging 18 moves to both sides, it accomplishes preliminary fixed earlier to have accomplished ejector pin 15, prop tight fixed order again, prevent to prop tightly in advance and the unable fixed condition, the width of clamp plate 19 is less than the diameter of top stopper 21, be compressed completely promptly when clamp plate 19, gaseous accessible through-hole four 24 flows into roof 10 internal cavity.
The top fixed mounting of telescopic link 7 has a set of dead lever 5, and the upper surface of ejector pin 15 is the arc design and articulates with the lower surface middle part of roof 10.
It should be noted that the top of the telescopic rod 7 is fixed with the fixed rod 5, the top of the fixed rod 5 is hinged with the middle of the lower surface of the top plate 10, namely, the angle between the fixed rod 5 and the top plate 10 can be relatively adjusted to adapt to the uneven mine wall.
The bottom fixed mounting in flexible groove 6 has the spacing ring, and a set of and flexible 6 inner wall fixed connection's in groove rubber ring is installed at the top in flexible groove 6.
Specifically, the stopper is installed to 6 bottoms in flexible groove, has restricted the removal route of piston 8 and telescopic link 7 promptly, prevents droing of piston 8 and influence the device operation, and the gas tightness in flexible groove 6 has further been guaranteed to the rubber ring at 6 tops in flexible groove.
A group of pistons 8 which are in sliding sleeve connection with the telescopic grooves 6 are arranged below the telescopic rods 7, a fifth through hole 28 communicated with the second air cavity 9 is formed in the middle of each piston 8, and a group of one-way pressure valves 13 are fixedly connected to the inner wall of the fifth through hole 28.
It should be noted that the below of telescopic link 7 is provided with piston 8 in the flexible groove 6, and piston 8 can push away telescopic link 7, and piston 8 middle part has been seted up through-hole five 28 and fixed mounting has a set of one-way pressure valve 13, and preliminary roof 10 is accomplished to the mine wall and props up the back promptly, and along with pressure constantly increases to certain degree in air cavity 11, one-way pressure valve 13 is opened, fixes on next step.
One side of the telescopic rod 7 is provided with a group of exhaust holes, the left side of the lower surface of the top plate 10 is provided with an air inlet hole communicated with the air cavity III 29, and a group of air guide hoses 12 are connected between the air inlet hole and the exhaust holes.
It should be noted that the air inlet and the air outlet are communicated through the air guide hose 12, so that the air is transmitted to the air cavity III 29, in addition, the rod body of the ejector 15 rod is designed in a cuboid shape, the top of the ejector 15 rod is designed in a pointed shape, the structure of the ejector 15 rod can be disassembled, the installation is convenient, and rubber pads are arranged on two side walls of the first through hole 25 at the top of the top plate 10 to prevent the air from leaking.
It should be noted that the pressurizing unit 3 may be an air pump or the like, and the inside of the ejector rod 15 is designed as a cavity, but the inner wall thickness thereof is high enough to satisfy the use strength despite the strength weakening by the ejector pin 23.
The emergency rescue device with the support function under the coal mine provided by the embodiment has the following working process:
the fixed plate 4 is arranged above the hydraulic rod 2, because the collapsed mine wall is different in height and uneven, when the device is used, the hydraulic rod 2 is adjusted to be lifted to a proper position, the pressurizing unit 3 works, the first air cavity 11 and the second air cavity 9 are filled with gas, the pressure is gradually increased and pushes the piston 8 to move upwards, the piston 8 pushes the telescopic rods 7 to move upwards, a plurality of groups of telescopic rods 7 move upwards to different degrees according to the condition of the mine wall, the top plate 10 on the supporting mechanism is attached to the mine wall with uneven positions at different angles to complete primary support, after the supporting mechanism primarily completes support, along with the continuous increase of the pressure in the first air cavity 11, the one-way pressure valve 13 is opened, the gas flows into the third air cavity 29 inside the top plate 10, the supporting plate 14 in the third air cavity 29 moves upwards to extend out the ejector rod 15 and is inserted into rock soil, when the fixed structure completely extends out, the ejector block 16 compresses the pressing plate 19, the top plug 21 is ejected out of the second through hole 26, gas in the third air cavity 29 flows into the inner cavity of the ejector rod 15, and the two groups of supporting plates 18 in the cavity of the ejector rod 15 are pushed to move towards two sides and extend into the wall of the rock-soil hole and are fixed with the wall of the rock-soil hole, so that the fixed attachment of the top plate 10 and the mine wall is completed, and the possibility of secondary collapse of the mine wall is prevented under the action of supporting force and fastening force.
It should be understood that the present invention is not limited to the particular embodiments described herein, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a colliery has emergency rescue device of support function in pit, is including setting up in the fixed hydraulic stem of base top and base block, its characterized in that still includes:
the fixing plate is arranged above the hydraulic rod and fixedly connected with the hydraulic rod, a group of air cavity I is horizontally arranged in the fixing plate, a group of pressurizing units stretching into the air cavity I is installed on the left side wall of the fixing plate, a plurality of groups of telescopic grooves communicated with the air cavity I are formed in the upper surface of the fixing plate, a supporting mechanism is sleeved in the telescopic grooves in a sliding mode and comprises a top plate and a telescopic rod, an air cavity II is formed in the height direction of the telescopic rod, an air cavity III communicated with the air cavity II is formed in the top plate, a plurality of groups of through holes I communicated with the air cavity III are horizontally arranged on the upper surface of the top plate, and a group of supporting plates slidably connected with the air cavity III is arranged in the air cavity III;
set up in backup pad top and through-hole sliding connection's fixed establishment, fixed establishment includes ejector pin, a pair of fagging and thimble, and a pair of fagging sets up along ejector pin central symmetry, and the cavity has been seted up to the body of rod inside, sets up the through-hole two of a plurality of groups and the inside cavity intercommunication of ejector pin on the both sides surface height direction of the body of rod, and the thimble sets up in one side and the two sliding connection of through-hole of fagging.
2. The underground coal mine emergency rescue device with the supporting function as claimed in claim 1, which is characterized in that: the upper surface of backup pad is provided with a set of recess, two sets of springs of bottom fixedly connected with of recess, the one end fixedly connected with clamp plate of recess is kept away from to the spring, a set of branch of fixedly connected with under the right-hand member of clamp plate, the below of branch is provided with a set of kicking plug, the bottom right-hand member of recess is seted up a set of through-hole three that communicates with the air cavity, the kicking plug sets up in the through-hole three with three sliding connection of through-hole, one side fixed mounting that the roof department is close to in the three roof bottoms of air cavity has a set of kicking block, a set of through-hole four that communicates with the ejector pin cavity is seted up to the bottom of ejector pin.
3. The underground coal mine emergency rescue device with the supporting function as claimed in claim 1, which is characterized in that: the top fixed mounting of telescopic link has a set of dead lever, and the upper surface of ejector pin is the arc design and articulates with the lower surface middle part of roof.
4. The underground coal mine emergency rescue device with the supporting function as claimed in claim 1, which is characterized in that: the bottom fixed mounting in flexible groove has the spacing ring, and a set of and flexible inslot wall fixed connection's rubber ring is installed at the top in flexible groove.
5. The underground coal mine emergency rescue device with the supporting function as claimed in claim 1, which is characterized in that: a group of pistons which are in sliding sleeve joint with the telescopic grooves are arranged below the telescopic rods, a fifth through hole communicated with the second air cavity is formed in the middle of each piston, and a group of one-way pressure valves are fixedly connected to the inner walls of the fifth through holes.
6. The underground coal mine emergency rescue device with the supporting function as claimed in claim 1, which is characterized in that: one side of the telescopic rod is provided with a group of exhaust holes, the left side of the lower surface of the top plate is provided with an air inlet communicated with the air cavity III, and a group of air guide hoses are connected between the air inlet and the exhaust holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121809112.3U CN215408704U (en) | 2021-08-04 | 2021-08-04 | Emergency rescue device with support function under coal mine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121809112.3U CN215408704U (en) | 2021-08-04 | 2021-08-04 | Emergency rescue device with support function under coal mine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215408704U true CN215408704U (en) | 2022-01-04 |
Family
ID=79657062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121809112.3U Expired - Fee Related CN215408704U (en) | 2021-08-04 | 2021-08-04 | Emergency rescue device with support function under coal mine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215408704U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114320452A (en) * | 2022-01-26 | 2022-04-12 | 赵彬彬 | Mine safety rescue device |
CN116497850A (en) * | 2023-06-28 | 2023-07-28 | 山东省建筑设计研究院有限公司 | Loose earth supporting device for geotechnical engineering investigation |
-
2021
- 2021-08-04 CN CN202121809112.3U patent/CN215408704U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114320452A (en) * | 2022-01-26 | 2022-04-12 | 赵彬彬 | Mine safety rescue device |
CN114320452B (en) * | 2022-01-26 | 2024-02-02 | 赵彬彬 | Mine safety rescue device |
CN116497850A (en) * | 2023-06-28 | 2023-07-28 | 山东省建筑设计研究院有限公司 | Loose earth supporting device for geotechnical engineering investigation |
CN116497850B (en) * | 2023-06-28 | 2023-08-22 | 山东省建筑设计研究院有限公司 | Loose earth supporting device for geotechnical engineering investigation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN215408704U (en) | Emergency rescue device with support function under coal mine | |
CN102491166A (en) | Internal expanding pile hanging device | |
CN103615269A (en) | Improved soft rock roadway integral tunneling protection support | |
CN203201571U (en) | Single hydraulic brace | |
CN211314231U (en) | Adjustable tunnel trolley template | |
CN211008527U (en) | Deep hole hydraulic fracturing hole packer pushing device | |
CN104314591A (en) | Up-and-down lock tool for recycling type anchor rod lockset | |
CN113622971B (en) | Quick supporting device for roadway | |
US20120148350A1 (en) | Mine prop jack and method of prestressing a mine prop | |
CN211648199U (en) | Intelligent hydraulic support | |
CN216518127U (en) | Rescue support device | |
CN210393562U (en) | Self-adaptive pushing device | |
CN201554477U (en) | Novel individual hydraulic prop | |
CN210153416U (en) | Hydraulic jack for construction of large-diameter overhead pipeline in river channel | |
CN206319841U (en) | A kind of post drill column with pretension locking gear | |
CN212614598U (en) | Hydraulic pipe drawing device | |
CN201141307Y (en) | Suspension hydraulic support with front cantilever | |
CN211599129U (en) | Pressure self-balancing hydraulic system | |
CN208816046U (en) | A kind of novel hydropower hole penetrating device | |
CN217300614U (en) | Quick supporting device for roadway | |
CN215256322U (en) | Coal mine corner moves shutoff system fast | |
CN206319843U (en) | A kind of constitutionally stable pneumatic frame column type driller supporting mechanism | |
CN109322686A (en) | A kind of fully-mechanized mining working advance timbering | |
CN210178390U (en) | Hydraulic prop remote unloading connecting device | |
CN216446939U (en) | Oil cylinder type shed frame |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |
|
CF01 | Termination of patent right due to non-payment of annual fee |