CN204152554U - A kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment - Google Patents
A kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment Download PDFInfo
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- CN204152554U CN204152554U CN201420516897.9U CN201420516897U CN204152554U CN 204152554 U CN204152554 U CN 204152554U CN 201420516897 U CN201420516897 U CN 201420516897U CN 204152554 U CN204152554 U CN 204152554U
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Abstract
The utility model relate to a kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment.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.Control the tunnel cut-off equipment that mine moves the outflow of water slip casting aggregate, described device comprises doorframe, door leaf and multiple anchor cable, and described multiple anchor cable is disposed on back, base plate and both sides coal and helps; Described doorframe is in turn connected into down " Qian " type by three angle steel and is fixed on back, base plate and both sides coal by anchor cable and helps; The back being positioned at doorframe upstream face side is in axial direction arranged at intervals with multiple anchor cable with twin-lock tool, and twin-lock tool is arranged on the anchor head of each anchor cable.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, be specifically related to a kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment.
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-mentioned 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 and a kind ofly controls the tunnel cut-off equipment that mine moves 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 control mine move water slip casting aggregate outflow tunnel cut-off equipment, described device comprises doorframe, door leaf and multiple anchor cable, and described multiple anchor cable is disposed on back, base plate and both sides coal and helps; Described doorframe is in turn connected into down " Qian " type by three angle steel and is fixed on back, base plate and both sides coal by anchor cable and helps; The back being positioned at doorframe upstream face side is in axial direction arranged at intervals with multiple anchor cable with twin-lock tool, and twin-lock tool is arranged on the anchor head of each anchor cable;
Described door leaf comprise left-hand door fan and right door leaf, the top of each door leaf and the horizontal corner steel of doorframe hinged; Each door leaf comprises many coarse-pitch thread steel, fine thread steel and mesh sheet, and many coarse-pitch thread steel are cross-linked as netted, 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 steel; The infall of the upstream face coarse-pitch thread steel of each door leaf is provided with multiple anchor ring; Connected by horse-shoe collar between left-hand door fan and right door leaf;
The below of described left-hand door fan or right door leaf is provided with escape, the anchor head of the back of doorframe upstream face side be provided with the wire rope being connected top board and door leaf between anchor ring, anchor head is provided with the hook that can hang door leaf; The back at connecting steel wire ropes place is higher than the back connecting doorframe place.
The coarse-pitch thread steel of described 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 described angle steel points to back side, in the right angle of angle steel, be arranged at intervals with multiple gripper shoe;
Described escape comprise escape doorframe and escape door leaf, the vertical frame of escape doorframe is two vertical coarse-pitch thread steel, escape door leaf by many coarse-pitch thread steel and fine thread steel be staggered into netted, on the horizontal coarse-pitch thread steel that what the top of two vertical coarse-pitch thread steel was corresponding be hinged in the door leaf of place.
Described gripper shoe is isosceles right triangle steel plate, and its hypotenuse overlaps with the hypotenuse of angle steel.
The size of described anchor cable is 15.2 ㎜ or 17.8 ㎜, the length of side of angle steel is 16 ~ 18 ㎝, the diameter of coarse-pitch thread steel is 20 ~ 22 ㎜, the diameter of fine thread steel is 10 ~ 12 ㎜, described mesh sheet is seat shape establishment steel screen cloth, and its metal string diameter is 3 ~ 4 ㎜, and mesh is 4 ~ 5 ㎜, the thickness of gripper shoe is 10 ~ 12 ㎜, and the thickness of wire rope is 10 ~ 12 ㎜.
Compared with prior art, the utility model has the following advantages:
1, this control 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 device 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, device of the present utility model can reduce 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 thereupon 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 lower turning type overhead door, and general structure is simple; The angle steel, screw-thread steel, mesh sheet, anchor cable, wire rope etc. that use are all the objects that mine is conventional, and anchor cable is 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 the structural representation of the utility model device when closing;
Fig. 2 is the structural representation of door leaf when hanging of the utility model device;
Fig. 3 is the structural representation of the utility model device upstream face;
Fig. 4 is the structural representation of the utility model device back side.
Wherein: 1. anchor cable; 2. back; 3. roadway floor; 4. coal side; 5. angle steel; 6. anchor head; 7. left-hand door fan; 8. right door leaf; 9. doorframe; 10. mesh sheet; 11. coarse-pitch thread steel; 12. fine thread steel; 13. anchor rings; 14. horse-shoe collars; 15. escape; 16. wire rope; 17. hooks; 18. gripper shoes; 19. door-hinges; 20. locksets; 21. knockers.
detailed description of the invention:
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
See Fig. 1, a kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment, comprise doorframe 9, door leaf and multiple anchor cable 1, doorframe 9 is in turn connected into down " Qian " type by 1 horizontal corner steel 5 angle steel 5 vertical with 2 and is fixed on back 2 by anchor cable 1, base plate 3 and both sides coal are helped on 4, the right angle of angle steel 5 points to back side, pasting top and pasting the right-angle side helped is fixed in back 2 and coal side 4 by anchor cable 1, gripper shoe 18 is welded in the angle steel right angle of doorframe 9 back side, for isosceles right triangle steel plate, its hypotenuse is the hypotenuse of angle steel 5 right-angled triangle, gripper shoe 18 is avoided anchor cable 1 location interval and is arranged, door-hinge 21 is positioned at horizontal corner steel 5 place on doorframe 1 upstream face top, be connected with the facade outside angle steel with welding manner.
Described door leaf comprises left-hand door fan 7 and right door leaf 8, the top of each door leaf and the horizontal corner steel 5 of doorframe 9 hinged, each door leaf comprises mesh sheet 10, knocker, horse-shoe collar 14, anchor ring 13, many coarse-pitch thread steel and fine thread steel, many coarse-pitch thread steel are welded as netted main muscle along vertical and the staggered of level two kinds of directions, many fine thread steel along vertical and level two kinds of directional spreding between coarse-pitch thread steel as auxiliary muscle, mesh sheet 10 is fixed on the upstream face side of each door leaf, knocker 21 is arranged on the coarse-pitch thread steel on the door limit of twice door leaf crack between a door and its frame place back side, by horse-shoe collar 14, the knocker 21 of left and right two door leaf is coupled together at closing time, the below of left-hand door fan 7 or right door leaf 8 is provided with escape 15, escape 15 comprise escape doorframe and escape door leaf, the vertical frame of escape doorframe is two vertical coarse-pitch thread steel, on the horizontal coarse-pitch thread steel that the top of two vertical coarse-pitch thread steel on door limit is welded in the door leaf of place by door-hinge 19, base is positioned at first horizontal coarse-pitch thread steel place of door leaf, escape door leaf is by being staggered to form latticed main muscle and auxiliary muscle along many coarse-pitch thread steel of vertical and level two kinds of directions and fine thread steel, the upstream face of main muscle and auxiliary muscle is furnished with mesh sheet 10, main muscle, auxiliary muscle and mesh sheet can be overlapped on the doorframe of escape, described anchor ring is staggeredly arranged in right-angled intersection place of the main muscle of door leaf.
Described wire rope 16 is connected with the twin-lock tool anchor head 6 on the anchor ring 13 on door leaf and back 2 anchor cable, anchor head 6 is provided with twin-lock tool 20, described hook 17 is connected with the anchor head 6 of anchor cable on back 2, when door leaf is in suspension status, the base of two door leafs is all suspended on hook 17, is fixed on back 2; The height of back 2 in upstream face side is a little more than its back side side.
During concrete enforcement, at the anchor cable 1 of the fixing doorframe 9 of selected drift section place construction, the limit of the subsides top board of horizontal corner steel fixed by construction tunnel top board 2 anchor cable, construction both sides coal helps 4 anchor cables 1, the limit being close to both sides coal side 4 at angle steel 5 is fixed, in upstream face side, door-hinge 19 is welded on the horizontal corner steel 5 of doorframe 9, door leaf and door-hinge 19 are coupled together.
The back 2 of doorframe 9 upstream face side caunches, make this place's back 2 height higher than normal back 2 height 10-30cm, then to construct on back 2 multiple anchor cable 1 install anchor head 6, the position of anchor cable 1 and number and anchor ring corresponding, anchor head 6 is with 2 locksets, 2 lockset interval about 10 ㎝.Anchor cable 1 outline in construction on escape limit 15 is separated to both sides, in order to avoid affect normally opening of escape 15.On back 2, the anchor cable 1 it hanging hook 17 is arranged in construction one, and hook 17 is suspended between 2 locksets.
One of multiple wire rope 16 is connected with the anchor ring 13 on door leaf, and other end hangs between 2 locksets of back 2 anchor cable 1, and the length of adjustment wire rope 16, make when door leaf and escape 15 put down, wire rope 16 is in exceptionally straight state just.
Because door-hinge 19 is all positioned at Men Ding position, when door leaf puts down, the escape 15 on left and right door leaf and door leaf are all in closed condition due to Action of Gravity Field.
When this device needs to open, towards upstream face direction, upwards push left and right door leaf open to back 2, the base of left and right door leaf is suspended on the hook 17 of back 2.
After a sect is installed, 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 China's North China type coalfield by Ordovician karst water gushing water threaten mine, have after its deep mining gushing water flood the possible work plane of well can install in advance in roadway workface this device control water blockoff time aggregate outflow.
At ordinary times in mine normal production, door leaf is suspended on back 2.After gushing water occurs, in emergency circumstances huge in gushing water amount, take left and right door leaf from the hook 17 of back 2 respectively, slowly put down, under Action of Gravity Field, left and right door leaf will naturally droop and lean against on doorframe.People stands in the side of back side, is alignd in the door limit of left and right door leaf, the knocker 21 horse-shoe collar 14 being hung over left and right two fan door correspondences tightens pin, can remove people after whole operating process completes.
Owing to door leaf there being escape 15, just in case still have individual persons not withdraw from time behind the door in pass, personnel come and can open escape 15 voluntarily in front of the door greatly, then stride across gate and escape to another side.The door-hinge 19 of escape 15 is above door, and the personnel that therefore leave over cross back door, gate and can automatically close.The main muscle place of first level in door leaf, base of escape 15, has mud not affect the normal unlatching of door in tunnel.
This device is lower turning type door leaf, and when having foreign material bottom tunnel, even if can not can not close completely bottom, tunnel, also there is certain obstruction control action on top to aggregate.
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 10 is fixed on grid, and when gushing water amount is huge, current progressively can cover roadway floor 3 and flood mesh sheet 10.Carry out in the process of damming in ground injecting aggregate, because mesh sheet 10 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 10 blocks water the limited area in face, inside and outside mesh sheet 10, hydraulic pressure has certain counteracting simultaneously, and therefore the impact force of current to mesh sheet is little, and the distortion of mesh sheet under water effect is very little.Meanwhile, because the aggregate piled up is subject to the support of multiple shelf pipe and anchor pole in this device, the fines of in addition overflowing also has supporting role to the aggregate in mesh sheet after the outer deposit buildup of mesh sheet, therefore mesh sheet not yielding and damage under the lateral pressure of aggregate.
Claims (4)
1. one kind controls the tunnel cut-off equipment that mine moves the outflow of water slip casting aggregate, it is characterized in that: described device comprises doorframe (9), door leaf and multiple anchor cable (1), described multiple anchor cable (1) is disposed on back (2), base plate (3) and both sides coal side (4); Described doorframe (9) is in turn connected into down " Qian " type by three angle steel and is fixed on back (2), base plate (3) and both sides coal by anchor cable (1) to be helped on (4); The back (2) being positioned at doorframe (9) upstream face side is in axial direction arranged at intervals with multiple anchor cable (1) with two locksets (20), and twin-lock tool is arranged on the anchor head of each anchor cable (1);
Described door leaf comprises left-hand door fan (7) and right door leaf (8), and the horizontal corner steel of the top of each door leaf and doorframe (9) is hinged; Each door leaf comprises many coarse-pitch thread steel (11), fine thread steel (12) and mesh sheet (10), and many coarse-pitch thread steel (11) are cross-linked as netted, and many fine thread steel (12) are distributed between coarse-pitch thread steel (11); Described mesh sheet (10) is positioned at the upstream face of door leaf and is fixed on coarse-pitch thread steel (11) and fine thread steel (12); The infall of the upstream face coarse-pitch thread steel (11) of each door leaf is provided with multiple anchor ring (13); Connected by horse-shoe collar (14) between left-hand door fan (7) and right door leaf (8);
The below of described left-hand door fan (7) or right door leaf (8) is provided with escape (15), the anchor head (6) of the back (2) of doorframe (9) upstream face side be provided with the wire rope (16) being connected top board and door leaf between anchor ring (13), anchor head (6) is provided with the hook (17) that can hang door leaf; The back (2) at connecting steel wire ropes (16) place is higher than the back (2) connecting doorframe (9) place.
2. according to claim 1 a kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment, it is characterized in that: the coarse-pitch thread steel (11) of described each door leaf interlocks with vertical direction for netted respectively in the horizontal direction, many fine thread steel (12) in the horizontal direction and vertical direction be distributed between coarse-pitch thread steel (11); The right angle of described angle steel points to back side, is arranged at intervals with multiple gripper shoe (18) in the right angle of angle steel;
Described escape comprise escape doorframe and escape door leaf, the vertical frame of escape doorframe is two vertical coarse-pitch thread steel (11), escape door leaf by many coarse-pitch thread steel (11) and fine thread steel (12) be staggered into netted, on the horizontal coarse-pitch thread steel (11) that what the top of two vertical coarse-pitch thread steel (11) was corresponding be hinged in the door leaf of place.
3. according to claim 1 and 2 a kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment, it is characterized in that: described gripper shoe (18) is isosceles right triangle steel plate, and its hypotenuse overlaps with the hypotenuse of angle steel.
4. as claimed in claim 3 a kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment, it is characterized in that: the size of described anchor cable (1) is 15.2 ㎜ or 17.8 ㎜, the length of side of angle steel (5) is 16 ~ 18 ㎝, the diameter of coarse-pitch thread steel is 20 ~ 22 ㎜, the diameter of fine thread steel is 10 ~ 12 ㎜, described mesh sheet (10) is seat shape establishment steel screen cloth, its metal string diameter is 3 ~ 4 ㎜, mesh is 4 ~ 5 ㎜, the thickness of gripper shoe (18) is 10 ~ 12 ㎜, and the thickness of wire rope (16) is 10 ~ 12 ㎜.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516897.9U CN204152554U (en) | 2014-09-10 | 2014-09-10 | A kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516897.9U CN204152554U (en) | 2014-09-10 | 2014-09-10 | A kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment |
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| CN204152554U true CN204152554U (en) | 2015-02-11 |
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| CN201420516897.9U Active CN204152554U (en) | 2014-09-10 | 2014-09-10 | A kind of control mine move water slip casting aggregate outflow tunnel cut-off equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2014
- 2014-09-10 CN CN201420516897.9U patent/CN204152554U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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