CN204152555U - A kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate - Google Patents
A kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate Download PDFInfo
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- CN204152555U CN204152555U CN201420517019.9U CN201420517019U CN204152555U CN 204152555 U CN204152555 U CN 204152555U CN 201420517019 U CN201420517019 U CN 201420517019U CN 204152555 U CN204152555 U CN 204152555U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
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- 238000003466 welding Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate.Existing apparatus is only applicable to the situation that gushing water amount is less, hydraulic pressure is lower, the Oversize Mine gushing water huge for gushing water amount, hydraulic pressure is higher, and existing apparatus will because of not firmly causing applicability very poor.A kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate, described device comprises doorframe, door leaf, channel-section steel, multiple anchor pole and anchor cable, described multiple anchor cable is disposed on back and both sides coal is helped, roadway floor is provided with tunnel, be provided with channel-section steel in tunnel, multiple anchor pole is fixed in bottom tunnel through channel-section steel; Described doorframe is in turn connected into down " Qian " type by three angle steel, and is fixed on back by anchor cable and both sides coal is helped.The utility model structure is simple, is convenient to install, and expense is lower, can play a significant role in the critical moment of emergency work.
Description
Technical field
The utility model belongs to water-blocking in mine technical field, is specifically related to a kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate.
Background technology
After mine generation water bursting, in order to ensure the safety of this top, ore deposit production system and adjacent ore deposit, flooding water level under often adopting forced-ventilated means control well, now will carry out water blockoff under dynamic regimen condition.Generally, the method of tunnel dynamic water sealing is by boring stake aggregate on ground, aggregate is generally sand, rice stone and rubble, aggregate is relied on to build the section of blocking water in tunnel, progressively reduce the water amount in tunnel, finally inject cement grout thoroughly to be blocked in tunnel, the water inrush channel afterwards again under hydrostatic condition in formation carries out grouting treatment.
The control that current mine dynamic water sealing outflows to aggregate is poor, the aggregate in tunnel is filled in water-blocking in mine, under the continuous erosion resettlement of dynamic water, some defines the wall or enter in water inrush channel of blocking water, effective effect playing water blockoff, with flowing to outside gushing water in coal mine excavation system when some is then in damming.The a large amount of outflows of aggregate outside the section of blocking water of tunnel are significant problems in stopping up water work, the invalid outflow of aggregate means that the material of waste is many on the one hand, that speedily carries out rescue work is long in time limit, the cost of engineering is high, water blockoff terminates to need to do a large amount of aggregate removing work during rear mine recovery is produced on the other hand, the time that seriously delayed mine recovery is produced, the mine majority of domestic employing dynamic water sealing has the experience of this respect.
In the face of a large amount of outflows of aggregate, existing control device one builds chemical pulp wall, and one is that heap builds Coal sack wall.Building chemical pulp wall is urgent construction twice concrete wall in away from the high absolute altitude tunnel of projective water point, and then injecting in the middle of two bodies of wall can the chemical pulp of rapid solidification.Require pre-buried heavy caliber tapping pipe when building wall and install gate valve, water blockoff can control gushing water flow in speedily carrying out rescue work, and reduces the outflow of aggregate with the method reducing dynamic water flow velocity, if desired can valve-off still pool.It is pile up the woven bag that coal cinder, spoil are housed in mistake water tunnel that heap builds Coal sack wall, and neat code forms one waterwall well, stops aggregate diffusion with body of wall.The shortcoming that above chemical pulp wall exists is: the time of 1, building body of wall is longer, needs the time of several days, therefore when gushing water amount is larger, speedily carries out rescue work in critical condition to remove in people and has no time to attend to other, be difficult to time enough and built wall; 2, risky in the process of closing body of wall valve minimizing gushing water flow: because of wall system fast construction, without compression test, therefore valve-off hydraulic pressure rising back wall has the danger washed away by hydraulic pressure completely.Coal sack wall also has similar shortcoming: the time of 1, building is long, needs several class (8 hours being a class); 2, body of wall easy distortion and collapsing under the washing away of tunnel current, makes the effect that control aggregate outflows have a greatly reduced quality.
From analyzing above, existing apparatus is only applicable to the situation that gushing water amount is less, hydraulic pressure is lower, the Oversize Mine gushing water huge for gushing water amount, hydraulic pressure is higher, and existing apparatus will because of not firmly causing applicability very poor.
Summary of the invention
The utility model aims to provide a kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate, with solve existing apparatus build the time long, poor to aggregate outflow control effects, be difficult to be applied to Oversize Mine and dash forward water problem.
For overcoming prior art Problems existing, the technical scheme that the utility model adopts is: a kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate, described device comprises doorframe, door leaf, channel-section steel, multiple anchor pole and anchor cable, described multiple anchor cable is disposed on back and both sides coal is helped, roadway floor is provided with tunnel, be provided with channel-section steel in tunnel, multiple anchor pole is fixed in bottom tunnel through channel-section steel; Described doorframe is in turn connected into down " Qian " type by three angle steel, and is fixed on back by anchor cable and both sides coal is helped;
Described door leaf comprises left-hand door fan and right door leaf, and the angle steel that its side is helped by door-hinge and both sides coal is hinged, and its opposite side and top, bottom are respectively arranged with angle steel; Each door leaf comprise mesh sheet, angle steel (, many coarse-pitch thread steel and fine thread steel, many coarse-pitch thread steel are cross-linked as grid, and many fine thread steel are distributed between coarse-pitch thread steel; Described mesh sheet is positioned at the upstream face of door leaf and is fixed on coarse-pitch thread steel and fine thread; Connected by pin between left-hand door fan and right door leaf, its top is by the Bolted angle connection of pin and doorframe, and its bottom is connected with channel-section steel by pin; The below of left-hand door fan or right door leaf is provided with escape, and the upstream face of escape is fixed with the mesh sheet matched.
Described tunnel and doorframe in the same plane, top, tunnel is provided with the cover plate concordant with roadway floor top, and described channel-section steel keeps flat edge-on, its concave surface facing upstream face; The coarse-pitch thread steel of each door leaf interlocks with vertical direction for netted respectively in the horizontal direction, many fine thread steel in the horizontal direction and vertical direction be distributed between coarse-pitch thread steel; The right angle of the angle steel on described doorframe points to back side, in the right angle of angle steel, be arranged at intervals with multiple gripper shoe; The right angle of the angle steel on described door leaf points to upstream face, in the right angle of angle steel, be arranged at intervals with multiple gripper shoe;
Described escape by many coarse-pitch thread steel and fine thread steel be staggered into netted, a vertical coarse-pitch thread steel in its side and place door leaf is hinged, the angle steel of the closedown side of opposite side and place door leaf is adjacent, and is provided with the knocker that can be connected by pin with adjacent angle steel at the edge of this side.
The described gripper shoe be positioned on doorframe and door leaf is isosceles right triangle steel plate, and its hypotenuse overlaps with the hypotenuse of angle steel.
The described doorframe angle steel length of side is 16 ~ 18 ㎝, the length of side of door leaf angle steel is 12 ~ 14 ㎝, the diameter of coarse-pitch thread steel is 20 ~ 22 ㎜, the diameter of fine thread steel is 10 ~ 12 ㎜, mesh sheet is seat shape establishment steel screen cloth, and its metal string diameter is 3 ~ 4 ㎜, and mesh is 4 ~ 5 ㎜, thickness 10 ~ 12 ㎜ of doorframe upper backup pad, the thickness of door leaf upper backup pad is 8 ~ 10 ㎜.
Compared with prior art, the utility model has the following advantages:
1, this device quick closedown can reach interception state: this device is the control device of preset in advance, after gushing water occurs, when operating personnel withdraws or place is arrived in emergency personnel's special trip, the all processes of closing the door and locking a door can be completed in 10 minutes, operating time is very short, the whole engineering time builds Coal sack wall few 1 ~ 3 day than heap, than building chemical pulp wall few 3 ~ 5 days; Can play a significant role in the critical moment of emergency work;
2, the utility model effectively can control aggregate outflow: because mesh sheet can not leak through the coarse aggregate such as meter Shi, rubble by current, therefore this method effectively can control the outflow of Large stone coarse aggregate; Especially can play great effect in Mines dynamic water sealing engineering, now will use coarse aggregate in a large number in water blockoff;
3, the utility model decreases stopping up water work amount, shortens the water blockoff complex ore time: this device is arranged in advance at a certain distance in tunnel, little with the distance of projective water point, and the length of the section of blocking water is short, and aggregate consumption is also corresponding to tail off; Conventional Cut-off and sealing water device is not because effectively controlling aggregate outflow, and therefore aggregate groundwater increment is large, and the desilting amount of aggregate is large afterwards, and engineering cost is high.For large discharge dynamic water sealing engineering, this device can reduce the tens thousand of side of aggregate consumption, reduces corresponding desilting amount simultaneously; Stopping up water work and desilting complex ore time add up and can shift to an earlier date more than 1 ~ February.
4, the utility model structure is simple, is convenient to install, and expense is lower: this device is lateral rotating type vertical hinged door, and general structure is simple; The anchor cable, anchor pole, angle steel, screw-thread steel, channel-section steel, mesh sheet etc. that use are all the objects that mine is conventional, and anchor cable and anchor pole are also the normal method of mine support simultaneously, and being therefore convenient to mine installs; The expense of this device is no more than 20,000 yuan, and compare and outflow in a large number and a large amount of desiltings afterwards without the aggregate under control condition, total cost is very low, even if there is not gushing water after installing, the cost of increase is also very little; And work plane is when pushing to adopt near device, door leaf and doorframe can also recyclings;
5, this realizes novel while controlling in advance aggregate, personnel escape can be facilitated: this device is provided with escape, even if gushing water flurried among personnel amount unclear, the people escaped above puts down device and has closed door, whether the personnel left over below also can run away from escape, one or two people can be shut up in using without the need to misgivings.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is upstream face schematic diagram of the present utility model;
Fig. 3 is back side schematic diagram of the present utility model.
Wherein: 1. doorframe; 2. channel-section steel; 3. anchor pole; 4. anchor cable; 5. back; 6. roadway floor; 7. coal side; 8. tunnel; 9.8 left-hand door fans; 10. right door leaf; 11. angle steel; 12. mesh sheet; 13. pins; 14. escape; 15. cover plates; 16. knockers; 17. gripper shoes; 18. door-hinges; 19. V-type pins.
detailed description of the invention:
Below in conjunction with detailed description of the invention, the utility model is described in detail.
See Fig. 1,2 and 3, a kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate, this device comprises doorframe 1, door leaf, channel-section steel 2, multiple anchor pole 3 and anchor cable 4, multiple anchor cable 4 is disposed in back 5 and both sides coal side 7, roadway floor 6 is provided with tunnel 8, be provided with channel-section steel 2 in tunnel 8, multiple anchor pole 3 is fixed in bottom tunnel 8 through channel-section steel 2; Doorframe 1 is in turn connected into down " Qian " type by three angle steel and is fixed on by anchor cable 4 in back 5 and both sides coal side 7, the right angle of angle steel 11 points to back side, pasting top and pasting the right-angle side helped is fixed in back 5 and both sides coal side 7 by anchor cable 4, gripper shoe 17 is welded in angle steel 11 right angle of doorframe 1 back side, for isosceles right triangle steel plate, its hypotenuse is the hypotenuse of angle steel right-angled triangle, and gripper shoe 17 is avoided anchor cable 4 location interval and arranged.
Described door leaf comprises left-hand door fan 9 and right door leaf 10, its side helps the angle steel 11 on 7 hinged by door-hinge 18 and left and right coal, its opposite side, top and bottom are respectively arranged with angle steel, the right angle of angle steel 11 points to upstream face, triangular support plate is welded with in the right angle of angle steel 11, gripper shoe 17 is steel plate, and its hypotenuse is the hypotenuse of angle steel right-angled triangle; Each door leaf comprises mesh sheet 12, angle steel 11, many coarse-pitch thread steel and fine thread steel, and the coarse-pitch thread steel of each door leaf interlocks with vertical direction for netted respectively in the horizontal direction, many fine thread steel in the horizontal direction and vertical direction be distributed between coarse-pitch thread steel; Mesh sheet 12 is positioned at the upstream face of door leaf and is fixed on coarse-pitch thread steel and fine thread steel; Connected by pin 13 between left-hand door fan 9 and right door leaf 10, its top is by pin 13 and doorframe 1 facade Bolted angle connection, and its bottom is connected with channel-section steel 2 by pin 13; The below of left-hand door fan 9 or right door leaf 10 is provided with escape 14, and the upstream face of escape 14 is fixed with the mesh sheet 12 matched.
Escape 14 by many coarse-pitch thread steel and fine thread steel be staggered into netted, a vertical coarse-pitch thread steel in its side and place door leaf is hinged, the angle steel 11 of the closedown side of its opposite side and place door leaf is adjacent, and is provided with the knocker 16 that can be connected by pin 13 with adjacent angle steel 11 at its edge; Time closed, escape 14 side covers on the angle steel inside door leaf side; The knocker 16 of escape side welding is by the Bolted angle connection inside V-arrangement pin 19 and door leaf side; Described escape are furnished with the mesh sheet with door leaf same specification.
When door leaf is in closure state, described channel-section steel is arranged in immediately below the angle steel of door leaf base, and channel-section steel keeps flat edge-on, is fixed in the tunnel on roadway floor 6, concave surface facing upstream face by many anchor poles 3.Channel-section steel 2 is by pin 13 and door leaf base Bolted angle connection.When door leaf is in opening, cover plate 15 is buckled on tunnel and covers channel-section steel, and tunnel can normal pass.
During concrete enforcement, at the anchor cable of the fixing doorframe of selected drift section place construction, during installation back 5 anchor cable, the subsides top margin of doorframe 1 horizontal corner steel is fixed, install two when helping anchor cable 4, the subsides side limit of vertical for doorframe 1 angle steel is fixed.Fixing end installed by doorframe 1, door-hinge is welded on the vertical angle steel of doorframe, door leaf and door-hinge are coupled together in upstream face side.Push door leaf open to make it near wall limit, tunnel.Construction adit, bolthole of constructing in tunnel 8 afterwards, is placed on channel-section steel 2 in tunnel 8, during skyhook 3, the channel-section steel 2 being furnished with gripper shoe 17 is fixed in tunnel 8.On tunnel 8, buckle cover plate 15 afterwards, namely complete the installation of one blocking apparatus.
Install when a sect and terminate, the second sect, the 3rd sect can be installed in appropriate location, same tunnel after keeping at a certain distance away, by that analogy.In coal mine excavation, for occurring gushing water and the mine that after gushing water, the water yield is huge, as the mine that China's North China type coalfield threatens by Ordovician karst water gushing water, have after its deep mining gushing water and flood well or flood the possible work plane in exploiting field, this device can be installed in advance in roadway workface and stop aggregate outflow when moving water slip casting.
At ordinary times in mine normal production, door leaf is pushed against both sides, tunnel coal side 7.After gushing water occurs, in emergency circumstances huge in gushing water amount, raise cover plate 15,2 door leafs are closed, from channel-section steel 2, wear pin 13 from bottom to top door leaf base and channel-section steel 2 are coupled together, the top margin pin putting on door leaf afterwards couples together the horizontal corner steel of door leaf top margin and doorframe, puts on both sides pin and two door leafs are connected with each other.Afterwards constructor in escape out, closed escape, stand in escape external application V-arrangement pin 19 and the side of escape 14 knocker 16 and door leaf are coupled together, and have operated to withdraw rapidly afterwards.
Owing to door leaf there being escape 14, just in case still have individual persons not withdraw from time behind the door in pass, personnel come large V-arrangement pin 19 of extracting out in front of the door can open escape 14, then stride across gate and close escape 14 outdoors, V-arrangement pin 19 is put on, again escape 14 and door leaf side are coupled together, then remove people.Due to the horizontal coarse-pitch thread steel of first in the door leaf place, base of escape 14, mud in tunnel, is had not affect the normal unlatching of door.
If there is not large gushing water during work plane pushes to adopt, this device does not use always, when work plane pushes to adopt to this device place, device can be removed and use next work plane.
Operating principle of the present utility model is: mesh sheet 12 is fixed on door leaf grid, and when gushing water amount is huge, current progressively can cover roadway floor and flood mesh sheet 12.Carry out in the process of damming in ground injecting aggregate, because mesh sheet 12 can be crossed water but can not leak through coarse aggregate, therefore in aggregate perfusion water blockoff, most aggregate slowly can be piled up from level to level in block, the coarse aggregate of fines sand and minute quantity is only had to overflow, along with the increase of aggregate charging quantity, when aggregate is after the section of blocking water successfully connects top, injecting cement paste can realize object of damming.
In the process that aggregate is piled up, because mesh sheet 12 blocks water the limited area in face, inside and outside mesh sheet 12, hydraulic pressure has certain counteracting simultaneously, and therefore the impact force of current to mesh sheet 12 is little, and the distortion of mesh sheet 12 under water effect is very little.Simultaneously because the fines of effusion also has supporting role to the aggregate in mesh sheet 12 after the outer deposit buildup of mesh sheet, therefore mesh sheet 12 not yielding and damage under the lateral pressure of aggregate.
Claims (4)
1. the tunnel arrester preventing mine from moving the outflow of water slip casting aggregate, it is characterized in that: described device comprises doorframe (1), door leaf, channel-section steel (2), multiple anchor pole (3) and anchor cable (4), described multiple anchor cable (4) is disposed on back (5) and both sides coal side (7), roadway floor (6) is provided with tunnel (8), be provided with channel-section steel (2) in tunnel (8), multiple anchor pole (3) is fixed in bottom, tunnel (8) through channel-section steel (2); Described doorframe (1) is in turn connected into down " Qian " type by three angle steel, and is fixed on back (5) and both sides coal side (7) by anchor cable (4);
Described door leaf comprises left-hand door fan (9) and right door leaf (10), and its side helps the angle steel (11) on (7) doorframe hinged by door-hinge (19) and arranged on left and right sides coal, and its opposite side and top, bottom are respectively arranged with angle steel (11); Each door leaf comprises mesh sheet (12), angle steel (11), many coarse-pitch thread steel and fine thread steel, and many coarse-pitch thread steel are cross-linked as grid, and many fine thread steel are distributed between coarse-pitch thread steel; Described mesh sheet (12) is positioned at the upstream face of door leaf and is fixed on coarse-pitch thread steel and fine thread; Connected by pin (13) between left-hand door fan (9) and right door leaf (10), its top angle is by the Bolted angle connection of pin (13) with doorframe (11), and its bottom angle steel is connected with channel-section steel (2) by pin (13); The below of left-hand door fan (9) or right door leaf (10) is provided with escape (14), and the upstream face of escape (14) is fixed with the mesh sheet (12) matched.
2. a kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate according to claim 1, it is characterized in that: described tunnel (8) are in the same plane with doorframe (1), tunnel (8) top is provided with the cover plate (15) concordant with roadway floor top, described channel-section steel (2) keeps flat edge-on, its concave surface facing upstream face; The coarse-pitch thread steel of each door leaf interlocks with vertical direction for netted respectively in the horizontal direction, many fine thread steel in the horizontal direction and vertical direction be distributed between coarse-pitch thread steel; The right angle of the angle steel on described doorframe (1) points to back side, is arranged at intervals with multiple gripper shoe (17) in the right angle of angle steel; The right angle of the angle steel on described door leaf points to upstream face, is arranged at intervals with multiple gripper shoe (17) in the right angle of angle steel (11);
Described escape (14) by many coarse-pitch thread steel and fine thread steel be staggered into netted, a vertical coarse-pitch thread steel in its side and place door leaf is hinged, the angle steel of the closedown side of opposite side and place door leaf is adjacent, and is provided with the knocker (16) that can be connected by pin with adjacent angle steel at the edge of this side.
3. a kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate according to claim 1 and 2, it is characterized in that: described in the gripper shoe (17) be positioned on doorframe (1) and door leaf be right-angled triangle steel plate, its hypotenuse overlaps with the hypotenuse of angle steel (11).
4. as claimed in claim 3 a kind of prevent mine move water slip casting aggregate outflow tunnel arrester, it is characterized in that: described doorframe angle steel (11) length of side is 16 ~ 18 ㎝, the length of side of door leaf angle steel (11) is 12 ~ 14 ㎝, the diameter of coarse-pitch thread steel is 20 ~ 22 ㎜, the diameter of fine thread steel is 10 ~ 12 ㎜, mesh sheet (12) is seat shape establishment steel screen cloth, its metal string diameter is 3 ~ 4 ㎜, mesh is 4 ~ 5 ㎜, thickness 10 ~ 12 ㎜ of doorframe (1) upper backup pad (17), the thickness of door leaf upper backup pad (17) is 8 ~ 10 ㎜.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420517019.9U CN204152555U (en) | 2014-09-10 | 2014-09-10 | A kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420517019.9U CN204152555U (en) | 2014-09-10 | 2014-09-10 | A kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate |
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| CN204152555U true CN204152555U (en) | 2015-02-11 |
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| CN201420517019.9U Expired - Lifetime CN204152555U (en) | 2014-09-10 | 2014-09-10 | A kind of tunnel arrester preventing mine from moving the outflow of water slip casting aggregate |
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| CN (1) | CN204152555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162760A (en) * | 2018-09-12 | 2019-01-08 | 中交第二航务工程局有限公司 | A kind of constructing metro tunnel safety-door device and its construction method |
| CN113982684A (en) * | 2021-11-02 | 2022-01-28 | 中煤科工集团西安研究院有限公司 | Combined auxiliary roof connecting device and method for rapid closure of water passing roadway |
-
2014
- 2014-09-10 CN CN201420517019.9U patent/CN204152555U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162760A (en) * | 2018-09-12 | 2019-01-08 | 中交第二航务工程局有限公司 | A kind of constructing metro tunnel safety-door device and its construction method |
| CN109162760B (en) * | 2018-09-12 | 2024-02-27 | 中交第二航务工程局有限公司 | Safety door device for subway tunnel construction and construction method thereof |
| CN113982684A (en) * | 2021-11-02 | 2022-01-28 | 中煤科工集团西安研究院有限公司 | Combined auxiliary roof connecting device and method for rapid closure of water passing roadway |
| CN113982684B (en) * | 2021-11-02 | 2023-10-27 | 中煤科工集团西安研究院有限公司 | Combined auxiliary roof connecting device and method for rapid closure of water passing tunnel |
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Granted publication date: 20150211 |