CN110685743A - Water drainage device - Google Patents
Water drainage device Download PDFInfo
- Publication number
- CN110685743A CN110685743A CN201911114774.6A CN201911114774A CN110685743A CN 110685743 A CN110685743 A CN 110685743A CN 201911114774 A CN201911114774 A CN 201911114774A CN 110685743 A CN110685743 A CN 110685743A
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- CN
- China
- Prior art keywords
- pipe clamp
- pipe
- piece
- sleeve
- elbow
- 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.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000007787 solid Substances 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 7
- 239000011435 rock Substances 0.000 abstract description 9
- 239000010878 waste rock Substances 0.000 abstract description 9
- 239000000843 powder Substances 0.000 abstract description 8
- 206010024796 Logorrhoea Diseases 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/1022—Fluid cut-off devices automatically actuated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The application discloses a water draining device, which comprises a water draining hole, wherein two ends of the water draining hole are respectively and movably connected with a goaf and a bent pipe; the pipe clamp comprises a fixing piece and a supporting piece, the fixing piece is a solid round fixing piece, one end of the fixing piece is fixedly connected with the supporting piece, the first end of the water outlet is fixedly connected with the first end of the pipe clamp, and the second end of the water outlet is movably connected with the second end of the pipe clamp through a spring piece; the return bend is the right angle return bend, and the return bend lateral wall that is close to ground is provided with the support frame, and swing joint has the spring part between support frame and the support piece. The first end of sleeve pipe is provided with the grate, and the return bend is the right angle return bend, is connected through the spring part between pipe clamp and the return bend, but according to actual conditions automatic control pipe clamp open or close, reduces the jam of garrulous waste rock or rock powder to the return bend, reduces and blocks up and cause the probability of unable normal sluicing.
Description
Technical Field
The application relates to the field of mining equipment, in particular to a water drainage device.
Background
In the mining and tunneling processes of a mine, the mine is possibly close to an aquifer, and meanwhile, the original stratum is damaged after mining, so that fracture water or karst water systems are damaged and can be collected into a mining space, and a large amount of accumulated water exists in an underground production system of the mine. The large amount of accumulated water can prevent the system, damage the roadway and even flood the well, thus causing property and life loss. In order to timely discharge the mine water burst to the ground, a drainage hole is often reserved in a goaf in a mine drainage system.
In a traditional mine drainage system, the upper end of a drain hole is inserted into a goaf, and the lower end of the drain hole is movably connected with a U-shaped pipe. In the use process, water in the goaf gushes out through the water drainage hole under the action of gravity. And the gas which rushes along with the water can not flow out along with the water due to the blockage of the U-shaped pipe.
The water drainage process has the problem that mined-out broken waste rock or rock powder flows down along with water, and after the broken waste rock or rock powder is poured into the U-shaped pipe, the broken waste rock or rock powder cannot flow out of the U-shaped pipe due to the structure of the U-shaped pipe and the gravity action of the broken waste rock or rock powder, so that the broken waste rock or rock powder in the U-shaped pipe is accumulated easily, the U-shaped pipe is blocked, and the water cannot be drained normally. In order to improve the probability of abnormal water drainage, a water drainage device is provided.
Disclosure of Invention
The application provides a sluicing device to solve current sluicing device and cause the technical problem that normal sluicing probability is low because garrulous waste rock or rock dust block up.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
a water drainage device comprises a water drainage hole, wherein a first end of the water drainage hole is inserted into a gob, a second end of the water drainage hole is movably connected with a bent pipe, a sleeve is sleeved in the water drainage hole, the first end of the sleeve is movably connected with a grate, the second end of the sleeve is movably connected with the first end of the bent pipe, a water drainage port is arranged at the second end of the bent pipe, the water drainage port is movably connected with a pipe clamp, one end of the water drainage port far away from the ground is a first end of the water drainage port, and one end of the water drainage port close; the pipe clamp comprises a fixing piece and a supporting piece, the fixing piece is a solid round fixing piece, one end of the fixing piece is fixedly connected with the supporting piece, one end of the pipe clamp far away from the supporting piece is a first end of the pipe clamp, one end of the pipe clamp provided with the supporting piece is a second end of the pipe clamp, the first end of the water outlet is fixedly connected with the first end of the pipe clamp, and the second end of the water outlet is movably connected with the second end of the; the return bend is the right angle return bend, and the return bend lateral wall that is close to ground is provided with the support frame, and swing joint has the spring part between support frame and the support piece, and the both ends of spring part are fixed in support frame and support piece respectively.
Optionally, the cross sections of the drainage holes, the grate, the sleeve, the elbow, the drainage opening and the fixing piece are all circular.
Optionally, the inner diameter of the water drainage hole is larger than the outer diameter of the sleeve, the diameter of the bent pipe is matched with that of the sleeve, the diameter of the water drainage opening is larger than that of the bent pipe, the outer diameter of the water drainage opening is matched with that of the fixing piece, and the diameter of the grate is matched with that of the sleeve.
Optionally, the elbow is in threaded connection with the sleeve, the grate is in threaded connection with the sleeve, the fixing piece is in welded connection with the supporting piece, the supporting frame is in welded connection with the elbow, and two ends of the spring piece are respectively in welded connection with the supporting frame and the supporting piece.
Optionally, the elbow is a stainless steel elbow, the casing is a stainless steel casing, the grate is a stainless steel grate, and the pipe clamp is a stainless steel pipe clamp.
Has the advantages that: the application provides a sluicing device, the device include the outlet, and the collecting space area is inserted to the first end of outlet, and outlet second end swing joint return bend. In order to prevent the gangue from entering the bent pipe through the water outlet, a sleeve is sleeved in the water outlet, the first end of the sleeve is movably connected with the grate, the second end of the sleeve is movably connected with the first end of the bent pipe, a water outlet is formed in the second end of the bent pipe, the water outlet is movably connected with the pipe clamp, one end of the water outlet far away from the ground is the first end of the water outlet, and one end of the water outlet close to the ground is the second end of the water outlet. In the use process, accumulated water in the goaf passes through the grate at the first end of the sleeve in the drainage hole, gangue in the accumulated water is filtered out through the grate, and the accumulated water filtered by the grate enters the bent pipe along with the sleeve and flows to the drainage port through the bent pipe. In order to facilitate the pipe clamp to control accumulated water in the bent pipe, the pipe clamp comprises a fixing piece and a supporting piece, the fixing piece is a solid round fixing piece, one end of the fixing piece is fixedly connected with the supporting piece, one end of the pipe clamp far away from the supporting piece is a first end of the pipe clamp, one end of the pipe clamp provided with the supporting piece is a second end of the pipe clamp, the first end of the water outlet is fixedly connected with the first end of the pipe clamp, and the second end of the water outlet is. The first end and the discharge opening fixed connection of pipe clamp, the second end and the discharge opening swing joint of pipe clamp make things convenient for ponding to gush out the return bend according to the condition, reach the purpose of drainage, also can prevent to release to the air along with the harmful gas that ponding and descend. In order to facilitate the gushing of accumulated water in the sleeve, the elbow is a right-angle elbow, the outer side wall of the elbow close to the ground is provided with a support frame, a spring part is movably connected between the support frame and the support part, and two ends of the spring part are respectively fixed on the support frame and the support part. When the gravity of the water reaches the sum of the pulling force of the spring part and the gravity of the pipe clamp, the water and the pulverized coal in the sleeve in the water drainage hole flow downstream and drain. When the gravity of the water is smaller than the sum of the pulling force of the spring part and the gravity of the pipe clamp, the pipe clamp is automatically closed, and harmful gas is prevented from being discharged. In this application, the first end of sleeve pipe is provided with the grate, and the return bend is the right angle return bend, is connected through the spring part between pipe clamp and the return bend, but according to actual conditions automatic control pipe clamp open or close, reduces the jam of garrulous waste rock or rock powder to the return bend, reduces to block up and causes the probability of unable normal sluicing.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
FIG. 1 is a schematic structural view of a water discharge device;
description of the drawings: the device comprises 1-a drainage hole, 2-a bent pipe, 3-a grate, 4-a pipe clamp, 5-a spring part, 11-a sleeve, 21-a drainage opening, 22-a support frame, 41-a fixing part and 42-a supporting part.
Detailed Description
Referring to fig. 1, a schematic structural diagram of a water drainage device provided by the present application, it can be known that the present application provides a water drainage device, the device includes a water drainage hole 1, a first end of the water drainage hole 1 is inserted into a gob, and a second end of the water drainage hole 1 is movably connected to a bent pipe 2. In order to prevent gangue from entering the bent pipe 2 through the water outlet 1, the water outlet 1 is internally sleeved with a sleeve 11, the first end of the sleeve 11 is movably connected with the grate 3, the second end of the sleeve 11 is movably connected with the first end of the bent pipe 2, the second end of the bent pipe 2 is provided with a water outlet 21, the water outlet 21 is movably connected with the pipe clamp 4, one end of the water outlet 21 far away from the ground is the first end of the water outlet 21, and one end of the water outlet 21 close to the ground is the second end of the water outlet 21. In the use process, accumulated water in the goaf passes through the grate 3 at the first end of the sleeve 11 in the drainage hole 1, gangue in the accumulated water is filtered out through the grate 3, the accumulated water filtered by the grate 3 enters the elbow pipe 2 along with the sleeve 11 and flows to the drainage opening 21 through the elbow pipe 2. In order to facilitate the pipe clamp 4 to control the accumulated water in the elbow pipe 2, the pipe clamp 4 comprises a fixing member 41 and a supporting member 42, the fixing member 41 is a solid round fixing member, one end of the fixing member 41 is fixedly connected with the supporting member 42, one end of the pipe clamp 4 far away from the supporting member 42 is a first end of the pipe clamp 4, one end of the pipe clamp 4 provided with the supporting member 42 is a second end of the pipe clamp 4, the first end of the drain opening 21 is fixedly connected with the first end of the pipe clamp 4, and the second end of the drain opening 21 is movably. The first end and the discharge opening 21 fixed connection of pipe clamp 4, the second end and the discharge opening 21 swing joint of pipe clamp 4 make things convenient for ponding to gush out return bend 2 according to the condition, reach the purpose of drainage, also can prevent to release in the air along with ponding harmful gas down. In order to facilitate the water in the sleeve 11 to flow out, the elbow 2 is a right-angle elbow, the outer side wall of the elbow 2 close to the ground is provided with a support frame 22, a spring part 5 is movably connected between the support frame 22 and the support part 42, and two ends of the spring part 5 are respectively fixed on the support frame 22 and the support part 42. When the gravity of the water reaches the sum of the pulling force of the spring part 5 and the gravity of the pipe clamp 4, the water and the pulverized coal in the sleeve 11 in the drainage hole 1 flow downstream and drain. When the gravity of the water is smaller than the sum of the pulling force of the spring part 5 and the gravity of the pipe clamp 4, the pipe clamp 4 is automatically closed, and harmful gas is prevented from being discharged. In this application, 11 first ends of sleeve pipe are provided with the grate 3, and return bend 2 is the right angle return bend, is connected through spring part 5 between pipe clamp 4 and the return bend 2, but according to actual conditions automatic control pipe clamp 4 opens or closes, reduces the jam of garrulous waste rock or rock powder to return bend 2, reduces to block up and causes the probability of unable normal sluicing.
In order to facilitate the drainage of accumulated water in the goaf, in the embodiment, the cross sections of the drainage hole 1, the grate 3, the sleeve 11, the elbow 2, the drainage opening 21 and the fixing piece 41 are all circular. The cross sections of the drainage hole 1, the grate 3, the sleeve 11, the bent pipe 2, the drainage opening 21 and the fixing piece 41 are all circular, namely the drainage hole 1, the sleeve 11, the bent pipe 2, the drainage opening 21 and the fixing piece 41 are all hollow cylinders. When the accumulated water in the goaf enters the sleeve 11, the elbow 2 and the water discharge opening 21, no obstacles exist in the inner walls of the sleeve 11, the elbow 2 and the water discharge buckle 21, so that the resistance of the water is reduced as much as possible, the discharge of the accumulated water is accelerated, and the damage to the goaf caused by excessive accumulated water is reduced.
In order to facilitate connection of various parts, in the embodiment, the inner diameter of the drain hole 1 is larger than the outer diameter of the sleeve 11, the diameter of the elbow pipe 2 is matched with that of the sleeve 11, the diameter of the drain opening 21 is larger than that of the elbow pipe 2, the outer diameter of the drain opening 21 is matched with that of the fixing piece 41, and the diameter of the grate 3 is matched with that of the sleeve 11; the bent pipe 2 is in threaded connection with the sleeve 11, the grate 3 is in threaded connection with the sleeve 11, the fixing piece 41 is in welded connection with the supporting piece 42, the supporting frame 22 is in welded connection with the bent pipe 2, and two ends of the spring piece 5 are respectively in welded connection with the supporting frame 22 and the supporting piece 42. In the use, the sleeve pipe 11 is established to the cover in the outlet 1, and the external diameter size of sleeve pipe 11 is less than the internal diameter size of outlet 1, makes things convenient for the installation and the dismantlement of sleeve pipe 11. The diameter of the elbow pipe 2 is matched with that of the sleeve 11, and the elbow pipe 2 and the sleeve 11 are connected in a threaded mode through the external threads of the elbow pipe 2 and the internal threads of the sleeve 11. The outer diameter dimension of the drain opening 21 is matched with the inner diameter dimension of the fixing member 41, so that the fixing member 41 can be conveniently installed and uninstalled from the drain opening 21. The fixing part 41 is connected with the supporting part 42 through welding, the supporting frame 22 is connected with the bent pipe 2 through welding, two ends of the spring part 5 are respectively connected with the supporting frame 22 and the supporting part 42 through welding, the two adjacent parts can be firmly fixed together through the welding connection, and the damage of external force to the stability of the two adjacent parts is reduced.
In order to reduce the damage of accumulated water to the water drainage device, in this embodiment, the bent pipe 2 is a stainless steel bent pipe, the sleeve pipe 11 is a stainless steel sleeve pipe, the grate 3 is a stainless steel grate, and the pipe clamp 4 is a stainless steel pipe clamp. The stainless steel part not only can provide the holding power for ponding gushes out, can also reduce the material in ponding to the corruption of sluicing device each part, effectively improves the life of sluicing device.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (5)
1. The water drainage device is characterized by comprising a water drainage hole (1), wherein the first end of the water drainage hole (1) is inserted into a goaf, the second end of the water drainage hole (1) is movably connected with a bent pipe (2), wherein,
a sleeve (11) is sleeved in the drain hole (1), the first end of the sleeve (11) is movably connected with the grate (3), the second end of the sleeve (11) is movably connected with the first end of the bent pipe (2), the second end of the bent pipe (2) is provided with a drain opening (21), the drain opening (21) is movably connected with the pipe clamp (4), one end, far away from the ground, of the drain opening (21) is the first end of the drain opening (21), and one end, close to the ground, of the drain opening (21) is the second end of the drain opening (21);
the pipe clamp (4) comprises a fixing piece (41) and a supporting piece (42), the fixing piece (41) is a solid round fixing piece, one end of the fixing piece (41) is fixedly connected with the supporting piece (42), one end, far away from the supporting piece (42), of the pipe clamp (4) is a first end of the pipe clamp (4), one end, provided with the supporting piece (42), of the pipe clamp (4) is a second end of the pipe clamp (4), the first end of the water drainage opening (21) is fixedly connected with the first end of the pipe clamp (4), and the second end of the water drainage opening (21) is movably connected with the second end of the pipe clamp (4) through a spring piece (5);
elbow pipe (2) are right angle elbow, are close to ground elbow pipe (2) lateral wall is provided with support frame (22), support frame (22) with swing joint has between support piece (42) spring part (5), the both ends of spring part (5) are fixed in respectively support frame (22) with support piece (42).
2. The drain device according to claim 1, wherein the cross-sections of the drain hole (1), the grate (3), the casing (11), the elbow (2), the drain opening (21) and the fixing member (41) are circular.
3. The drain device according to claim 1, wherein an inner diameter of the drain hole (1) is larger than an outer diameter of the casing (11), a diameter of the bent pipe (2) is matched with the diameter of the casing (11), a diameter of the drain opening (21) is larger than the diameter of the bent pipe (2), the outer diameter of the drain opening (21) is matched with the inner diameter of the fixing member (41), and the diameter of the grate (3) is matched with the diameter of the casing (11).
4. The water drainage device according to claim 1, wherein the elbow (2) is connected to the casing (11) by a screw, the grate (3) is connected to the casing (11) by a screw, the fixing member (41) is connected to the support member (42) by a welding, the support frame (22) is connected to the elbow (2) by a welding, and both ends of the spring member (5) are connected to the support frame (22) and the support member (42) by a welding, respectively.
5. The water drainage device according to claim 1, wherein the elbow (2) is a stainless steel elbow, the sleeve (11) is a stainless steel sleeve, the grate (3) is a stainless steel grate, and the pipe clamp (4) is a stainless steel pipe clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911114774.6A CN110685743A (en) | 2019-11-14 | 2019-11-14 | Water drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911114774.6A CN110685743A (en) | 2019-11-14 | 2019-11-14 | Water drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110685743A true CN110685743A (en) | 2020-01-14 |
Family
ID=69116836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911114774.6A Pending CN110685743A (en) | 2019-11-14 | 2019-11-14 | Water drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110685743A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1164442A1 (en) * | 1983-04-06 | 1985-06-30 | Коммунарский горно-металлургический институт | Device for closing-off degassing well |
| JPH06323100A (en) * | 1993-05-17 | 1994-11-22 | Shimizu Corp | Underground water pressure reducing construction method |
| JP2006077560A (en) * | 2004-09-11 | 2006-03-23 | Yutaka Komatsu | Drain mechanism of tunnel |
| CN202417593U (en) * | 2011-12-29 | 2012-09-05 | 胡东亮 | Elastic negative-pressure automatic slagging water discharge device |
| KR20140083434A (en) * | 2012-12-26 | 2014-07-04 | 현대중공업 주식회사 | Storage device for drill pipe |
| CN203835453U (en) * | 2014-03-31 | 2014-09-17 | 中铁工程设计咨询集团有限公司 | Water pressure controllable type tunnel drainage system and water pressure control device thereof |
| CN203939135U (en) * | 2014-06-16 | 2014-11-12 | 江苏理工学院 | Anti-blocking rain water double-edged fine-toothed comb |
| CN205532708U (en) * | 2016-01-22 | 2016-08-31 | 中煤第三建设(集团)有限责任公司二十九工程处 | Automatic sediment device is arranged in bottom discharge drainage |
| CN106014201A (en) * | 2016-07-12 | 2016-10-12 | 山东大学 | Process for safely constructing release hole outside grouting curtain of tunnel |
| CN107854877A (en) * | 2017-11-20 | 2018-03-30 | 惠州市伯拉科技有限公司 | Filtering type water draw-off |
| CN207499901U (en) * | 2017-11-16 | 2018-06-15 | 河南大有能源股份有限公司新安煤矿 | A kind of gas drainage pipeline automatic flushing cistern |
| CN108561179A (en) * | 2018-06-19 | 2018-09-21 | 安徽建筑大学 | A kind of Novel drain pipe device |
| CN207892650U (en) * | 2018-02-07 | 2018-09-21 | 内蒙古黄陶勒盖煤炭有限责任公司 | A kind of drainage arrangement for the apical pore that breaks |
| CN109915205A (en) * | 2019-04-23 | 2019-06-21 | 吕梁学院 | Dead-weight deslagging water discharging device and its deslagging discharge water method |
| CN209100088U (en) * | 2018-08-02 | 2019-07-12 | 中交基础设施养护集团有限公司 | A kind of used fault belt drainage arrangement of constructing tunnel |
| CN209277938U (en) * | 2018-08-16 | 2019-08-20 | 国家能源投资集团有限责任公司 | Drain hole aqueduct and Belt transport tunnel |
-
2019
- 2019-11-14 CN CN201911114774.6A patent/CN110685743A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1164442A1 (en) * | 1983-04-06 | 1985-06-30 | Коммунарский горно-металлургический институт | Device for closing-off degassing well |
| JPH06323100A (en) * | 1993-05-17 | 1994-11-22 | Shimizu Corp | Underground water pressure reducing construction method |
| JP2006077560A (en) * | 2004-09-11 | 2006-03-23 | Yutaka Komatsu | Drain mechanism of tunnel |
| CN202417593U (en) * | 2011-12-29 | 2012-09-05 | 胡东亮 | Elastic negative-pressure automatic slagging water discharge device |
| KR20140083434A (en) * | 2012-12-26 | 2014-07-04 | 현대중공업 주식회사 | Storage device for drill pipe |
| CN203835453U (en) * | 2014-03-31 | 2014-09-17 | 中铁工程设计咨询集团有限公司 | Water pressure controllable type tunnel drainage system and water pressure control device thereof |
| CN203939135U (en) * | 2014-06-16 | 2014-11-12 | 江苏理工学院 | Anti-blocking rain water double-edged fine-toothed comb |
| CN205532708U (en) * | 2016-01-22 | 2016-08-31 | 中煤第三建设(集团)有限责任公司二十九工程处 | Automatic sediment device is arranged in bottom discharge drainage |
| CN106014201A (en) * | 2016-07-12 | 2016-10-12 | 山东大学 | Process for safely constructing release hole outside grouting curtain of tunnel |
| CN207499901U (en) * | 2017-11-16 | 2018-06-15 | 河南大有能源股份有限公司新安煤矿 | A kind of gas drainage pipeline automatic flushing cistern |
| CN107854877A (en) * | 2017-11-20 | 2018-03-30 | 惠州市伯拉科技有限公司 | Filtering type water draw-off |
| CN207892650U (en) * | 2018-02-07 | 2018-09-21 | 内蒙古黄陶勒盖煤炭有限责任公司 | A kind of drainage arrangement for the apical pore that breaks |
| CN108561179A (en) * | 2018-06-19 | 2018-09-21 | 安徽建筑大学 | A kind of Novel drain pipe device |
| CN209100088U (en) * | 2018-08-02 | 2019-07-12 | 中交基础设施养护集团有限公司 | A kind of used fault belt drainage arrangement of constructing tunnel |
| CN209277938U (en) * | 2018-08-16 | 2019-08-20 | 国家能源投资集团有限责任公司 | Drain hole aqueduct and Belt transport tunnel |
| CN109915205A (en) * | 2019-04-23 | 2019-06-21 | 吕梁学院 | Dead-weight deslagging water discharging device and its deslagging discharge water method |
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Application publication date: 20200114 |
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| RJ01 | Rejection of invention patent application after publication |