CN113153436A - Intelligent water drainage system for coal seam roof - Google Patents

Intelligent water drainage system for coal seam roof Download PDF

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Publication number
CN113153436A
CN113153436A CN202110536742.6A CN202110536742A CN113153436A CN 113153436 A CN113153436 A CN 113153436A CN 202110536742 A CN202110536742 A CN 202110536742A CN 113153436 A CN113153436 A CN 113153436A
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China
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water
pipe
box body
plate
detection
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CN202110536742.6A
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CN113153436B (en
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王档良
房亚飞
高成岳
黄进
杨道坤
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18Special adaptations of signalling or alarm devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F16/00Drainage
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere

Abstract

The invention discloses an intelligent water drainage system for a coal seam roof, which comprises a box body outer shell, a water inlet main pipe and a water inlet branch pipe, wherein a movable transverse plate is arranged at the upper end of a support frame, the upper end of the movable transverse plate is connected with a detection box body through a connecting rod, an auxiliary detection mechanism is arranged inside an auxiliary water outlet, an auxiliary water drainage pipe is connected with a water suction pump, and a stirring mechanism is further arranged at the bottom end inside the box body outer shell. According to the intelligent water drainage system for the coal seam roof, the buoyancy ball, the detection box body and the auxiliary detection mechanism are matched for use, so that the water quantity can be detected, the main drainage pipe and the water suction pump are matched for controlling water drainage in real time, the water drainage efficiency is improved, the dredging convex block can move and dredge sandy soil on the blocked first through hole by matching the inner drainage pipe and the outer drainage pipe, the water on the inner wall side of the bottom end of the outer shell of the box body can be stirred by the stirring mechanism, and the sandy soil can be conveniently drained along with the flowing water.

Description

Intelligent water drainage system for coal seam roof
Technical Field
The invention relates to the technical field of coal mine equipment, in particular to an intelligent water drainage system for a coal seam roof.
Background
The coal mine is a region where people mine coal resources in a coal-rich mining area, and is generally divided into a mineshaft coal mine and an opencast coal mine, when a coal seam is far away from the ground surface, the coal mine is generally selected to dig into an underground excavation roadway, and when the coal seam is very close to the ground surface, the coal mine is generally selected to dig into a surface soil layer directly and is an opencast coal mine, the coal mine is a reasonable space excavated by people when digging a geological layer rich in coal and generally comprises a roadway, a well cave, a mining surface and the like, the coal is the most main solid fuel and is one of combustible organic rocks, water needs to be discharged on a roof of a working face under the coal mine in the coal mining process, deep-lowering and large-flow advanced pre-dredging by adopting roof drainage drilling is the most main prevention engineering measure for water damage of the roof of the coal mine, and in the coal mine engineering, if the coal seam is covered with a water-bearing layer, when the working face is recovered, the overlying rock stratum is broken, water in a water-bearing layer is inevitably gushed to the working face, even water gushing disasters are generated, and therefore water detection and drainage are needed before mining to drain the water contained in the roof in advance; when the working face is adopted, two areas are developed, the aquifer of the sand bed can be directly or indirectly supplied to the aquifer of the bedrock fracture, the water quantity of the drainage pipe in the area is increased, the pipeline is damaged easily, the traditional water drainage technology mainly adopts the same sleeve, sand and soil easily enters the hole of the drainage pipe in the process of water drainage, the drainage work is inconvenient, and the intelligent water drainage system of the coal bed roof is provided for the user.
Disclosure of Invention
The invention mainly aims to provide an intelligent water drainage system for a coal seam roof, which can effectively solve the problems in the background technology: when the working face is adopted, two areas are developed, the aquifer of the sand bed can be directly or indirectly supplied to the aquifer of the bedrock fracture, the water quantity of the drainage pipe in the area is increased, the pipeline is damaged easily, the traditional water drainage technology mainly adopts the same sleeve, sand and soil easily enters the hole of the drainage pipe in the process of water drainage, the drainage work is inconvenient, and the intelligent water drainage system of the coal bed roof is provided for the user.
In order to achieve the purpose, the invention adopts the technical scheme that:
an intelligent water drainage system for a coal seam roof comprises a box body outer shell, a water inlet main pipe and a water inlet branch pipe, wherein a plurality of groups of buoyancy spheres are arranged inside the box body outer shell, a buoyancy transverse plate is arranged inside the box body outer shell above the buoyancy spheres, a supporting frame is installed at the upper end of the buoyancy transverse plate, a moving transverse plate is arranged at the upper end of the supporting frame, a detection box body is connected to the upper end of the moving transverse plate through a connecting rod, a connecting spring is connected to the upper end of the detection box body, a connecting fixing block is connected to the upper end of the connecting spring, a water drainage main pipe is arranged on one side of the lower end of the box body outer shell and connected with an external water drainage pipe for facilitating water drainage, auxiliary water outlets are arranged on two sides of the box body outer shell, an auxiliary detection mechanism is arranged inside the auxiliary water outlets, and the auxiliary water drainage pipes are connected with the auxiliary water drainage pipes, the auxiliary water discharge pipe is connected with a water suction pump, the water inlet branch pipe is connected with the water discharge outer pipe, and the bottom end inside the outer shell of the box body is also provided with a stirring mechanism;
the upper end of the detection box body is connected with a detection connecting plate, the lower end of the detection connecting plate is connected with a pressure measuring plate through a connecting rod, the bottom end inside the detection box body is provided with a protective placing groove, the upper end of the protective placing groove is provided with a protective supporting plate through a protective connecting block, the upper end of the protective supporting plate is provided with a second pressure sensor, the interior of the detection box body, which is positioned at the upper end of the protective placing groove, is provided with a protective connecting plate, the protective connecting plate is provided with a through hole, and the upper end of the second pressure sensor penetrates through the through hole;
wherein, the auxiliary detection mechanism comprises a groove detection plate, a slope sliding block, a sliding detection block, an elastic spring and a first pressure sensor, a slope groove is arranged on the outer casing of the box body above the auxiliary water outlet, the slope sliding block is arranged at the bottom end inside the slope groove and is fixedly connected with the groove detection plate through an L-shaped connecting rod, the first pressure sensor is arranged at the upper end inside the slope groove and is connected with one end of the elastic spring, the first pressure sensor is arranged at one side of the elastic spring and drives the groove detection plate to move through water flow, so that the slope sliding block slides inside the slope groove and extrudes the sliding detection block, the arranged first pressure sensor senses the change of pressure, when the pressure is smaller, the water flow is smaller, and at the moment, the water flow inside the outer casing of the box body is smaller, at the moment, the external controller cuts off the power of the water suction pump to stop the water suction pump, so that the water suction pump is prevented from being damaged easily due to idling, and electricity consumption can be prevented;
the drainage device is characterized in that a drainage inner pipe is arranged inside the drainage outer pipe, one ends of the drainage outer pipe and the drainage inner pipe are both provided with an external thread end, the other ends of the drainage outer pipe and the drainage inner pipe are both provided with a connecting end, the outer end of the drainage outer pipe is provided with a plurality of groups of first through holes, so that water can be conveniently drained to the inside of the drainage outer pipe, the outer side of the drainage inner pipe is provided with a plurality of groups of dredging mounting grooves, mounting plates are mounted inside the dredging mounting grooves, a dredging convex block is arranged on one side of each mounting plate, a telescopic sleeve is fixedly connected to the other side of each mounting plate, a telescopic sleeve rod is mounted inside each dredging mounting groove, a telescopic spring is sleeved at the outer end of each telescopic sleeve rod, and the dredging convex blocks are matched with the telescopic sleeve rods, the telescopic sleeve rods and the telescopic springs so that the dredging convex blocks have certain flexibility;
stirring mechanism includes the movable connecting rod, rotates connecting rod, stirring paddle and fixed link, the upper end of movable connecting rod is connected with the lower extreme of buoyancy diaphragm, the upper end of rotating the connecting rod is located inside the lower extreme of movable connecting rod, the upper end of rotating the connecting rod is provided with the spiral end, shifts up and then can drive the rotation connecting rod rotation through the movable connecting rod that sets up, spacing through-hole has been seted up to the lower extreme inside of rotating the connecting rod, fixed link's upper end fixedly connected with stopper.
Further, the lower extreme that the person in charge of intaking runs through the up end of box shell body and extends to the inside of box shell body, the person in charge of intaking is connected with the branch pipe that intakes, the branch pipe that intakes is provided with flexible pipe with the link of the outer tube that drains for the branch pipe that intakes can drive the inner tube that drains and remove, and then makes the inner tube that drains to remove for the outer tube that drains, makes the protruding piece of mediation that sets up dredge can dredge the first through-hole of the outer tube outer end that drains, prevents its jam.
Further, the lower extreme that the person in charge of intaking is connected with and connects flexible pipe, the lower extreme that connects flexible pipe is connected with the connecting pipe of intaking, the lower extreme of the connecting pipe of intaking runs through removal diaphragm and buoyancy diaphragm in proper order and extends to the inside of box shell body.
Further, connect the lower extreme both sides that the fixed block is located the person in charge of intaking, connect the fixed block and be responsible for fixed connection with intaking, the protection connecting block at protection backup pad both ends has certain support intensity, and when the pressure that second pressure sensor received was greater than its intensity of bearing of itself, the protection connecting block fracture that sets up this moment for the protection backup pad drives second pressure sensor and falls into the protection standing groove, prevents that the pressure that second pressure sensor received is too big and then can play the guard action to it, survey the clamp plate and be located second pressure sensor's top, extrude second pressure sensor through the pressure measurement board that sets up and then can survey the change of pressure, coupling spring's lower extreme and the upper end of detecting the connecting plate are connected.
Further, be provided with the flow valve on the supplementary drain pipe, the suction pump is connected with outside drain pipe, and the suction pump through setting up is responsible for the cooperation with the drainage and is used, can accelerate to discharge the inside water of box shell body.
Furthermore, one side of the groove detection plate is provided with a groove, so that water can drive the groove detection plate to move conveniently, the slope groove is set to have a certain inclination angle, the sliding detection block is located inside the slope groove, the first pressure sensor is located inside the slope groove, one end of the telescopic loop bar is located inside the telescopic sleeve, and the telescopic loop bar is in sliding connection with the telescopic sleeve.
Further, the inner wall of link is provided with the internal thread end, and the external screw thread end that sets up cooperates and then can splice the outer tube that the multiunit drains or the inner tube that drains with the link, the protruding piece of mediation sets up to the hemisphere, the outer end of the protruding piece of mediation is located the outside of mediation mounting groove, a plurality of groups second through-holes have still been seted up to the outer end of the inner tube that drains, first through-hole and the big or small phase-match of the protruding piece of mediation.
Further, the stirring vane setting is in the outer end that rotates the connecting rod, and the stirring vane through setting up rotates and then can mix the water, prevents that box shell body bottom inner wall side sand and soil from piling up, and the sand and soil of being convenient for flows along with water and discharges, the stopper is located the inside of spacing through-hole, it is connected with the fixed link rotation to rotate the connecting rod.
A use method of an intelligent water drainage system for a coal seam roof comprises the following steps:
a: firstly, through the matching of the set external thread end and the connecting end, a plurality of groups of water discharging outer pipes and water discharging inner pipes are spliced, then the water discharging outer pipes are placed in the hollow part of the drilled hole, then the water discharging pipes are connected with the water discharging outer pipes, water discharging is facilitated, adjacent water discharging pipes are connected through water inlet branch pipes, then a plurality of groups of water inlet branch pipes are connected with a water inlet main pipe, when the water quantity is large, water enters the inside of the box body outer shell, the water is not discharged enough due to the arranged water discharging main pipe, the water quantity in the box body outer shell is increased, and then the buoyancy ball body can rise, the arranged buoyancy ball body further drives the buoyancy transverse plate to move, and further the movement transverse plate is pushed to move;
b, after the step A is finished, the arranged movable transverse plate moves to drive the detection box body to move upwards, so that the pressure measuring plate extrudes the arranged second pressure sensor, the second pressure sensor can sense the pressure change, when the measured pressure is higher, the water quantity is more, the arranged water suction pump is started to work through an external controller, the water in the outer shell of the box body can be efficiently extracted, the arranged water suction pump is matched with the main water drainage pipe for use, the water in the outer shell of the box body can be quickly drained, the protection connecting block is matched with the protection supporting plate for use, the second pressure sensor can be protected, when the pressure applied to the second pressure sensor is higher than the bearing strength of the second pressure sensor, the protection connecting block is broken at the moment, so that the protection supporting plate drives the second pressure sensor to fall into the protection placing groove, when the pressure is small, the water flow inside the outer shell of the box body is small, the external controller cuts off the power of the water suction pump to stop working, the water suction pump is prevented from being damaged easily due to idling, and electricity is also prevented from being wasted;
c, after the step B is finished, the detection connecting plate can be upwards pushed to move the connecting fixing block upwards through the movement of the arranged moving transverse plate, so that the water discharge inner pipe moves relative to the waterproof outer pipe, further the dredging convex block at the outer end of the water discharge inner pipe can move and can stretch and penetrate through the first through hole on the waterproof outer pipe, further the arranged dredging convex block can penetrate through the first through hole, further the sandy soil on the blocked first through hole can be dredged, the through hole is prevented from being blocked by the sandy soil, the waterproof efficiency is prevented from being influenced, in addition, the buoyancy ball body can drive the buoyancy transverse plate to move when rising, the arranged moving connecting rod is further driven to upwards move, the moving connecting rod is matched with the rotating connecting rod, further the rotating connecting rod drives the stirring blade plate to rotate, the water body can be stirred through the rotation of the arranged stirring blade plate, and the sandy soil accumulation on the inner wall side of the bottom end of the outer shell of the box body is prevented, the sand and soil can be discharged along with the water flow, thereby preventing blockage.
Compared with the prior art, the invention has the following beneficial effects:
the device can effectively drain water by matching the arranged buoyancy ball body, the detection box body and the auxiliary detection mechanism, further can detect the water quantity, and can match the arranged drainage main pipe and the water suction pump to control drainage in real time, so as to prevent the water discharge pipeline from being damaged due to larger water quantity, the arranged buoyancy ball body further drives the buoyancy transverse plate to move, so that the pressure measuring plate extrudes the arranged second pressure sensor and measures the pressure change, then the arranged water suction pump is matched with the drainage main pipe to pump water, the drainage efficiency is improved, the arranged drainage inner pipe and the arranged drainage outer pipe are matched for use, the arranged dredging convex block can move and dredge sandy soil on the blocked first through hole, the through hole is prevented from being blocked by sandy soil, the waterproof efficiency is prevented from being influenced, and water on the inner wall side of the bottom end of the outer shell body of the box body can be stirred by the arranged stirring mechanism, the sand and soil can be discharged along with the flow of water, the blockage caused by the accumulation of the sand and soil can be prevented, and the practicability and the creativity are better.
Drawings
Fig. 1 is a schematic overall structure diagram of an intelligent water drainage system for a coal seam roof according to the present invention.
Fig. 2 is a schematic view of the installation of the outer casing of the box body of the intelligent water drainage system of the coal seam roof.
Fig. 3 is a schematic diagram of an internal structure of a detection box of an intelligent water drainage system for a coal seam roof.
Fig. 4 is an enlarged schematic view of a part a in fig. 1 of an intelligent water drainage system of a coal seam roof according to the invention.
Fig. 5 is a partial schematic view of a water discharge outer pipe of an intelligent water discharge system of a coal seam roof.
Fig. 6 is a partial schematic view of a water discharge inner pipe of an intelligent water discharge system of a coal seam roof.
Fig. 7 is a schematic diagram of an internal structure of a water discharge inner pipe of an intelligent water discharge system of a coal seam roof.
Fig. 8 is an enlarged schematic view of B in fig. 7 of an intelligent water drainage system of a coal seam roof according to the invention.
Fig. 9 is a schematic view of installation of an outer water discharge pipe and an inner water discharge pipe of an intelligent water discharge system for a coal seam roof.
Fig. 10 is a partial sectional view of a casing of a coal seam roof drainage intelligent system according to the invention.
Fig. 11 is a schematic connection diagram of a movable connection rod and a rotary connection rod of an intelligent water drainage system for a coal seam roof.
In the figure: 1. a box body outer shell; 2. a main water inlet pipe; 3. a water inlet branch pipe; 4. a water discharge pipe; 5. a buoyant sphere; 6. a buoyancy transverse plate; 7. a support frame; 8. moving the transverse plate; 9. detecting the box body; 10. detecting a connecting plate; 11. a connecting spring; 12. connecting a fixed block; 13. connecting the telescopic pipe; 14. a water inlet connecting pipe; 15. measuring a pressure plate; 16. a protective placement groove; 17. a protective connecting block; 18. a protective support plate; 19. a second pressure sensor; 20. a protective connecting plate; 21. a main drainage pipe; 22. an auxiliary drain pipe; 23. a flow valve; 24. a water pump; 25. a groove detection plate; 26. a ramp groove; 27. a slope slider; 28. a slide detection block; 29. an elastic spring; 30. a first pressure sensor; 31. discharging the water through an outer pipe; 32. a water discharge inner pipe; 33. a first through hole; 34. an externally threaded end; 35. a connecting end; 36. dredging the mounting groove; 37. mounting a plate; 38. dredging the convex blocks; 39. a telescopic sleeve; 40. a telescopic loop bar; 41. a tension spring; 42. moving the connecting rod; 43. rotating the connecting rod; 44. stirring the blade plate; 45. a fixed connecting rod; 46. a helical end; 47. a limiting through hole; 48. a limiting block; 49. a second via.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Examples
As shown in FIGS. 1 to 11, an intelligent water drainage system for a coal seam roof comprises a box outer shell 1, a main water inlet pipe 2 and a branch water inlet pipe 3, wherein a plurality of groups of buoyancy spheres 5 are arranged in the box outer shell 1, a buoyancy transverse plate 6 is arranged in the box outer shell 1 above the buoyancy spheres 5, a support frame 7 is arranged at the upper end of the buoyancy transverse plate 6, a moving transverse plate 8 is arranged at the upper end of the support frame 7, the upper end of the moving transverse plate 8 is connected with a detection box 9 through a connecting rod, the upper end of the detection box 9 is connected with a connecting spring 11, the upper end of the connecting spring 11 is connected with a connecting fixed block 12, a main water drainage pipe 21 is arranged at one side of the lower end of the box outer shell 1, the main water drainage pipe 21 is connected with an external water drainage pipe for, the auxiliary water outlet is connected with an auxiliary water outlet pipe 22, the auxiliary water outlet pipe 22 is connected with a water pump 24, the water inlet branch pipe 3 is connected with a water outlet outer pipe 31, and the bottom end inside the box body outer shell 1 is also provided with a stirring mechanism;
the upper end of the detection box body 9 is connected with a detection connecting plate 10, the lower end of the detection connecting plate 10 is connected with a pressure measuring plate 15 through a connecting rod, the bottom end inside the detection box body 9 is provided with a protection placing groove 16, the upper end of the protection placing groove 16 is provided with a protection supporting plate 18 through a protection connecting block 17, the upper end of the protection supporting plate 18 is provided with a second pressure sensor 19, the detection box body 9 positioned at the upper end of the protection placing groove 16 is internally provided with a protection connecting plate 20, the protection connecting plate 20 is provided with a through hole, and the upper end of the second pressure sensor 19 penetrates through the through hole;
wherein, the auxiliary detection mechanism comprises a groove detection plate 25, a slope sliding block 27, a sliding detection block 28, an elastic spring 29 and a first pressure sensor 30, a slope groove 26 is arranged on the box body outer shell 1 above the auxiliary water outlet, the slope sliding block 27 is arranged at the inner bottom end of the slope groove 26, the slope sliding block 27 is fixedly connected with the groove detection plate 25 through an L-shaped connecting rod, the first pressure sensor 30 is arranged at the inner upper end of the slope groove 26, the sliding detection block 28 is connected with one end of the elastic spring 29, the first pressure sensor 30 is arranged at one side of the elastic spring 29, the groove detection plate 25 is driven to move through water flow, so that the slope sliding block 27 slides in the slope groove 26 and extrudes the sliding detection block 28, and further the arranged first pressure sensor 30 senses the change of pressure, when the pressure is smaller, the water flow is smaller, at this moment, the water flow in the box body outer shell 1 is smaller, at the moment, the external controller cuts off the power of the water suction pump 24 to stop working, so that the water suction pump 24 is prevented from being damaged easily due to idling, and electricity consumption can also be prevented;
a water discharge inner pipe 32 is arranged inside the water discharge outer pipe 31, one end of each of the water discharge outer pipe 31 and the water discharge inner pipe 32 is provided with an external thread end 34, the other end of each of the water discharge outer pipe 31 and the water discharge inner pipe 32 is provided with a connecting end 35, the outer end of the water discharge outer pipe 31 is provided with a plurality of groups of first through holes 33 which are convenient for guiding water to the inside of the water discharge outer pipe 31, the outer side of the water discharge inner pipe 32 is provided with a plurality of groups of dredging mounting grooves 36, mounting plates 37 are arranged inside the dredging mounting grooves 36, one side of each mounting plate 37 is provided with a dredging convex block 38, the other side of each mounting plate 37 is fixedly connected with a telescopic sleeve 39, a telescopic sleeve 40 is arranged inside each dredging mounting groove, the dredging convex block 38 has certain flexibility by the matching use of the telescopic loop bar 40, the telescopic loop bar 40 and the telescopic spring 41;
stirring mechanism includes movable connecting rod 42, rotating connecting rod 43, stirring paddle 44 and fixed connecting rod 45, movable connecting rod 42's upper end is connected with the lower extreme of buoyancy diaphragm 6, rotating connecting rod 43's upper end is located inside movable connecting rod 42's lower extreme, rotating connecting rod 43's upper end is provided with spiral end 46, moving connecting rod 42 through setting up and then can driving rotating connecting rod 43 and rotate, limiting hole 47 has been seted up to rotating connecting rod 43's lower extreme inside, fixed connecting rod 45's upper end fixedly connected with stopper 48.
As shown in FIG. 1, the lower end of the main water inlet pipe 2 penetrates the upper end surface of the outer box body 1 and extends into the outer box body 1, the main water inlet pipe 2 is connected with the branch water inlet pipe 3, the connecting end 35 of the branch water inlet pipe 3 and the outer water outlet pipe 31 is provided with a telescopic pipe, so that the branch water inlet pipe 3 can drive the inner water outlet pipe 32 to move, and further the inner water outlet pipe 32 can move relative to the outer water outlet pipe 31, so that the arranged dredging projection block 38 can dredge the first through hole 33 at the outer end of the outer water outlet pipe 31 to prevent blockage, the lower end of the main water inlet pipe 2 is connected with the telescopic connecting pipe 13, the lower end of the telescopic connecting pipe 13 is connected with the water inlet connecting pipe 14, the lower end of the water inlet connecting pipe 14 penetrates the moving transverse plate 8 and the buoyancy transverse plate 6 in sequence and extends into the outer box body 1, the auxiliary water outlet pipe 22 is provided with a flow valve 23, and the water suction pump 24 is connected with an external water outlet pipe, the water suction pump 24 is matched with the main water discharge pipe 21, so that water inside the box body outer shell 1 can be discharged at high speed.
As shown in fig. 1 and fig. 3, the connection fixing block 12 is located the lower extreme both sides of the main pipe 2 of intaking, connect the fixing block 12 and be responsible for 2 fixed connection with intaking, the protection connecting block 17 at protection backup pad 18 both ends has certain support intensity, when the pressure that second pressure sensor 19 received is greater than its own bearing intensity, the protection connecting block 17 that sets up this moment splits, make protection backup pad 18 drive second pressure sensor 19 and fall into protection standing groove 16, prevent that the pressure that second pressure sensor 19 received is too big and then can play the guard action to it, pressure measurement board 15 is located the top of second pressure sensor 19, extrude second pressure sensor 19 and then can measure the change of pressure through pressure measurement board 15 that sets up, the lower extreme of coupling spring 11 is connected with the upper end that detects connecting plate 10.
As shown in fig. 4, one side of the groove detection plate 25 is provided with a groove, so that water can drive the groove detection plate 25 to move conveniently, the slope groove 26 is set to have a certain inclination angle, the sliding detection block 28 is located inside the slope groove 26, the first pressure sensor 30 is located inside the slope groove 26, one end of the telescopic loop bar 40 is located inside the telescopic sleeve 39, and the telescopic loop bar 40 is connected with the telescopic sleeve 39 in a sliding manner.
As shown in fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the inner wall of the connecting end 35 is provided with an internal thread end, the external thread end 34 and the connecting end 35 which are arranged are matched to splice a plurality of groups of water discharging outer pipes 31 or water discharging inner pipes 32, the dredging convex block 38 is hemispherical, the outer end of the dredging convex block 38 is positioned at the outer side of the dredging mounting groove 36, a plurality of groups of second through holes 49 are also formed in the outer end of the water discharging inner pipe 32, and the first through hole 33 is matched with the dredging convex block 38 in size.
As shown in fig. 10 and 11, the stirring vane 44 is arranged at the outer end of the rotating connecting rod 43, and the stirring vane 44 is rotated to stir the water body, so as to prevent sand from accumulating on the inner wall side of the bottom end of the outer casing 1 of the box body, so that the sand can flow along with the water and be discharged, the limiting block 48 is arranged in the limiting through hole 47, and the rotating connecting rod 43 is rotatably connected with the fixed connecting rod 45.
A use method of an intelligent water drainage system for a coal seam roof comprises the following use steps:
a: firstly, through the matching of the arranged external thread end 34 and the connecting end 35, a plurality of groups of water discharging outer pipes 31 and water discharging inner pipes 32 are spliced, then the water discharging outer pipes 31 are placed in the hollow part of a drilled hole, then the water discharging pipes 4 are connected with the water discharging outer pipes 31, water discharging is facilitated, the adjacent water discharging pipes 4 are connected through the water inlet branch pipes 3, then the plurality of groups of water inlet branch pipes 3 are connected with the water inlet main pipe 2, when the water amount is large, water enters the inside of the box body outer shell 1, because the arranged water discharging main pipe 21 is not enough to discharge the water, the water amount in the box body outer shell 1 is increased, further the buoyancy ball 5 can rise, the arranged buoyancy ball 5 further drives the buoyancy transverse plate 6 to move, and further pushes the moving transverse plate 8 to move;
b, after the step A is finished, the arranged movable transverse plate 8 moves to drive the detection box body 9 to move upwards, the pressure measuring plate 15 is enabled to extrude the arranged second pressure sensor 19, the pressure change can be further enabled to be sensed by the second pressure sensor 19, when the measured pressure is higher, the water quantity is more, the arranged water suction pump 24 is started to work through an external controller, the water in the box body outer shell 1 can be efficiently extracted, the water in the box body outer shell 1 can be quickly discharged through the matched use of the arranged water suction pump 24 and the water discharge main pipe 21, the protection connecting block 17 and the protection supporting plate 18 are matched for use, the second pressure sensor 19 can be protected, when the pressure applied to the second pressure sensor 19 is higher than the bearing strength of the second pressure sensor, the protection connecting block 17 arranged at the moment is broken, the protection supporting plate 18 drives the second pressure sensor 19 to fall into the protection placing groove 16, the second pressure sensor 19 is prevented from being protected due to overlarge pressure, when water flow drives the groove detection plate 25 to move, the slope sliding block 27 slides in the slope groove 26 and extrudes the sliding detection block 28, the arranged first pressure sensor 30 senses pressure change, when the pressure is small, the water flow in the box body outer shell 1 is small, at the moment, the external controller cuts off the power of the water suction pump 24 to stop working, the water suction pump 24 is prevented from idling and being easily damaged, and electricity consumption can be prevented;
c, after the step B is finished, the detection connecting plate 10 can be enabled to upwards push against the movable connecting fixing block 12 to upwards move through the movement of the arranged movable transverse plate 8, so that the water discharging inner pipe 32 moves relative to the waterproof outer pipe, further the dredging convex block 38 at the outer end of the water discharging inner pipe 32 can move and can stretch and penetrate through the first through hole 33 on the waterproof outer pipe, further the arranged dredging convex block 38 can penetrate through the first through hole 33, further the sandy soil on the blocked first through hole 33 can be dredged, the through hole is prevented from being blocked by the sandy soil, the waterproof efficiency is prevented from being influenced, the buoyancy transverse plate 6 is driven to move when the buoyancy ball 5 rises, the arranged movable connecting rod 42 is further driven to upwards move, the movable connecting rod 42 is matched with the rotating connecting rod 43, further the rotating connecting rod 43 drives the stirring vane plate 44 to rotate, and the water body can be stirred through the rotation of the arranged stirring vane plate 44, prevent that 1 bottom inner wall side sand and soil of box shell body from piling up, be convenient for sand and soil along with the discharge that flows of water, and then prevent to block up.
By adopting the technical scheme: the device can detect the water quantity by the matching use of the buoyancy ball body 5, the detection box body 9 and the auxiliary detection mechanism, and further can detect the water quantity and match the arranged main drainage pipe 21 and the water suction pump 24 to control the drainage in real time, so as to effectively drain water, prevent the water discharge pipeline from being damaged due to the larger water quantity, and further drive the buoyancy transverse plate 6 to move by the arranged buoyancy ball body 5, so that the pressure measuring plate 15 extrudes the arranged second pressure sensor 19 and measures the pressure change, and then the arranged water suction pump 24 is started to match the main drainage pipe 21 to pump water, thereby improving the drainage efficiency, and the arranged inner drainage pipe 32 and the outer drainage pipe 31 are matched for use, so that the arranged dredging convex block 38 can move and dredge the sand on the blocked first through hole 33, thereby preventing the sand from blocking the through hole and influencing the waterproof efficiency, and the water on the inner wall side of the bottom end of the box body outer shell body 1 can be stirred by the arranged stirring mechanism, the sand and soil can be discharged along with the flow of water, the blockage caused by the accumulation of the sand and soil can be prevented, and the practicability and the creativity are better.
It should be noted that, when the intelligent water drainage system for the coal seam roof is used, firstly, a plurality of groups of water drainage outer pipes 31 and water drainage inner pipes 32 are spliced through the matching of the arranged external thread ends 34 and the connecting ends 35, then, the water drainage outer pipes 31 are placed into the empty interior of a drilled hole, then, the water drainage pipes 4 are connected with the water drainage outer pipes 31 to facilitate water drainage, next, the adjacent water drainage pipes 4 are connected through the water inlet branch pipes 3, then, a plurality of groups of water inlet branch pipes 3 are connected with the water inlet main pipe 2, when the water quantity is large, water enters the interior of the outer casing 1 of the box body, because the arranged water drainage main pipe 21 is not enough to discharge water, the water quantity in the outer casing 1 of the box body is increased, then, the buoyancy spheres 5 are lifted, the arranged buoyancy spheres 5 further drive the buoyancy transverse plate 6 to move, further, the moving transverse plate 8 is pushed to move, the detection box body 9 is driven to move upwards by the movement transverse plate 8, the pressure measuring plate 15 is made to extrude the second pressure sensor 19, so that the second pressure sensor 19 can sense the pressure change, when the measured pressure is larger, the water quantity is more, at the moment, the water suction pump 24 arranged is started to work through an external controller, so that the water in the box body outer shell 1 can be efficiently extracted, the water in the box body outer shell 1 can be quickly discharged through the matching use of the water suction pump 24 and the main water discharge pipe 21, the protection connecting block 17 and the protection supporting plate 18 are matched for use, so that the second pressure sensor 19 can be protected, when the pressure applied to the second pressure sensor 19 is larger than the bearing strength of the second pressure sensor, the protection connecting block 17 arranged at the moment is broken, so that the protection supporting plate 18 drives the second pressure sensor 19 to fall into the protection placing groove 16, and the second pressure sensor 19 is prevented from being too large and can be protected, when water flow drives the groove detection plate 25 to move, the slope sliding block 27 slides in the slope groove 26 and extrudes the sliding detection block 28, the arranged first pressure sensor 30 senses pressure change, when the pressure is smaller, the water flow is smaller, at the moment, the water flow in the box body outer shell 1 is smaller, at the moment, the external controller cuts off the power of the water pump 24 to stop working, the water pump 24 is prevented from being damaged easily due to idling, and the electricity consumption can also be prevented, the detection connecting plate 10 can be upwards pushed to move the connecting fixing block 12 through the movement of the arranged moving transverse plate 8, the water discharge inner pipe 32 moves relative to the waterproof outer pipe, the dredging convex block 38 at the outer end of the water discharge inner pipe 32 can move and can stretch and penetrate through the first through hole 33 on the waterproof outer pipe, and the arranged dredging convex block 38 can penetrate through the first through hole 33, further can dredge the sand on the first through-hole 33 that blocks up, prevent that sand from blockking up the through-hole, prevent to influence waterproof efficiency, and can drive buoyancy diaphragm 6 when buoyancy spheroid 5 rises and remove, further drive the movable connecting rod 42 that sets up and shift up, movable connecting rod 42 and the cooperation of rotating connecting rod 43, and then make rotating connecting rod 43 drive stirring vane 44 and rotate, stirring vane 44 through setting up rotates and then can stir the water, prevent that 1 bottom inner wall side sand of box shell body from piling up, be convenient for sand flows along with the water and discharges, and then prevent to block up, and convenient to use.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a coal seam roof intelligent system that drains, includes box shell body (1), the person in charge of intaking (2), intake branch pipe (3), its characterized in that: a plurality of groups of buoyancy spheres (5) are arranged in the box body outer shell (1), a buoyancy transverse plate (6) is arranged in the box body outer shell (1) above the buoyancy spheres (5), a support frame (7) is installed at the upper end of the buoyancy transverse plate (6), a movable transverse plate (8) is arranged at the upper end of the support frame (7), the upper end of the movable transverse plate (8) is connected with a detection box body (9) through a connecting rod, the upper end of the detection box body (9) is connected with a connecting spring (11), the upper end of the connecting spring (11) is connected with a connecting fixed block (12), a main drainage pipe (21) is arranged on one side of the lower end of the box body outer shell (1), the main drainage pipe (21) is connected with an external drainage pipe, auxiliary water outlets are arranged on two sides of the box body outer shell (1), and an auxiliary detection mechanism is arranged in the auxiliary water outlets, the auxiliary water outlet is connected with an auxiliary water outlet pipe (22), the auxiliary water outlet pipe (22) is connected with a water suction pump (24), the water inlet branch pipe (3) is connected with a water discharge outer pipe (31), and the bottom end of the interior of the box body outer shell (1) is further provided with a stirring mechanism;
the detection device is characterized in that the upper end of the detection box body (9) is connected with a detection connecting plate (10), the lower end of the detection connecting plate (10) is connected with a detection pressing plate (15) through a connecting rod, the inner bottom end of the detection box body (9) is provided with a protection placing groove (16), the upper end of the protection placing groove (16) is provided with a protection supporting plate (18) through a protection connecting block (17), the upper end of the protection supporting plate (18) is provided with a second pressure sensor (19), the detection box body (9) positioned at the upper end of the protection placing groove (16) is internally provided with a protection connecting plate (20), the protection connecting plate (20) is provided with a through hole, and the upper end of the second pressure sensor (19) penetrates through the through hole;
the auxiliary detection mechanism comprises a groove detection plate (25), a slope sliding block (27), a sliding detection block (28), an elastic spring (29) and a first pressure sensor (30), wherein a slope groove (26) is formed in a box body outer shell (1) above the auxiliary water outlet, the slope sliding block (27) is located at the bottom end of the interior of the slope groove (26), the slope sliding block (27) is fixedly connected with the groove detection plate (25) through an L-shaped connecting rod, the first pressure sensor (30) is located at the upper end of the interior of the slope groove (26), the sliding detection block (28) is connected with one end of the elastic spring (29), and the first pressure sensor (30) is located on one side of the elastic spring (29);
a water discharge inner pipe (32) is arranged inside the water discharge outer pipe (31), an external thread end (34) is arranged at one end of the water discharge outer pipe (31) and one end of the water discharge inner pipe (32), the other ends of the water discharging outer pipe (31) and the water discharging inner pipe (32) are both provided with a connecting end (35), the outer end of the water discharging outer pipe (31) is provided with a plurality of groups of first through holes (33), a plurality of groups of dredging installation grooves (36) are arranged on the outer side of the water discharging inner pipe (32), the inside of the dredging installation groove (36) is provided with an installation plate (37), one side of the installation plate (37) is provided with a dredging convex block (38), the other side of the mounting plate (37) is fixedly connected with a telescopic sleeve (39), a telescopic loop bar (40) is arranged in the dredging installation groove (36), and a telescopic spring (41) is sleeved at the outer end of the telescopic loop bar (40);
stirring mechanism includes movable connecting rod (42), rotation connecting rod (43), stirring paddle (44) and fixed link (45), the upper end and the lower extreme of buoyancy diaphragm (6) of movable connecting rod (42) are connected, the upper end of rotation connecting rod (43) is located inside the lower extreme of movable connecting rod (42), the upper end of rotation connecting rod (43) is provided with spiral end (46), spacing through-hole (47) have been seted up inside the lower extreme of rotation connecting rod (43), the upper end fixedly connected with stopper (48) of fixed link (45).
2. The intelligent water drainage system for the coal seam roof as claimed in claim 1, wherein: the lower extreme of the person in charge of intaking (2) runs through the up end of box shell body (1) and extends to the inside of box shell body (1), the person in charge of intaking (2) is connected with branch pipe of intaking (3), branch pipe of intaking (3) and link (35) of the outer tube of draining (31) are provided with flexible pipe.
3. The intelligent water drainage system for the coal seam roof as claimed in claim 1, wherein: the lower extreme of the person in charge of intaking (2) is connected with and connects flexible pipe (13), the lower extreme of connecting flexible pipe (13) is connected with into water connecting pipe (14), the lower extreme of connecting pipe of intaking (14) runs through removal diaphragm (8) and buoyancy diaphragm (6) in proper order and extends to the inside of box shell body (1).
4. The intelligent water drainage system for the coal seam roof as claimed in claim 1, wherein: connect fixed block (12) and be located the lower extreme both sides of the person in charge (2) of intaking, connect fixed block (12) and be responsible for (2) fixed connection with intaking, protection connecting block (17) at protection backup pad (18) both ends have certain support intensity, survey the top that clamp plate (15) are located second pressure sensor (19), the lower extreme of connecting spring (11) is connected with the upper end that detects connecting plate (10).
5. The intelligent water drainage system for the coal seam roof as claimed in claim 1, wherein: and a flow valve (23) is arranged on the auxiliary drainage pipe (22), and the water suction pump (24) is connected with an external drainage pipe.
6. The intelligent water drainage system for the coal seam roof as claimed in claim 1, wherein: one side of the groove detection plate (25) is provided with a groove, the slope groove (26) is set to have a certain inclination angle, the sliding detection block (28) is located inside the slope groove (26), the first pressure sensor (30) is located inside the slope groove (26), one end of the telescopic loop bar (40) is located inside the telescopic sleeve (39), and the telescopic loop bar (40) is in sliding connection with the telescopic sleeve (39).
7. The intelligent water drainage system for the coal seam roof as claimed in claim 1, wherein: the inner wall of link (35) is provided with the internal thread end, mediation protruding piece (38) set up to the hemisphere, the outer end of mediation protruding piece (38) is located the outside of mediation mounting groove (36), a plurality of groups second through-hole (49) have still been seted up to the outer end of inner tube of draining (32), first through-hole (33) and the size phase-match of mediation protruding piece (38).
8. The intelligent water drainage system for the coal seam roof as claimed in claim 1, wherein: stirring paddle (44) set up in the outer end of rotating connecting rod (43), stopper (48) are located the inside of spacing through-hole (47), rotating connecting rod (43) is connected with fixed link (45) rotation.
9. The use method of the intelligent water drainage system for the coal seam roof as claimed in any one of claims 1 to 8, wherein: the using method comprises the following steps:
a: firstly, through the matching of the set external thread end (34) and the connecting end (35), a plurality of groups of water discharging outer pipes (31) and water discharging inner pipes (32) are spliced, then the water discharging outer pipes (31) are placed in the hollow part of a drilled hole, then the water discharging pipes (4) are connected with the water discharging outer pipes (31), the water discharging is facilitated, the adjacent water discharging pipes (4) are connected through the water inlet branch pipes (3), then the plurality of groups of water inlet branch pipes (3) are connected with the water inlet main pipe (2), when the water amount is large, the water enters the inner part of the box body outer body (1), the water amount in the box body (1) is increased due to the fact that the set water discharging main pipe (21) is not enough to discharge the water, the buoyancy of the box body (1) is increased, the buoyancy ball body (5) can rise, the set buoyancy ball body (5) further drives the buoyancy transverse plate (6) to move, and further pushes the moving transverse plate (8) to move;
b, after the step A is finished, the arranged movable transverse plate (8) moves to drive the detection box body (9) to move upwards, so that the pressure measuring plate (15) extrudes the arranged second pressure sensor (19) and further the second pressure sensor (19) can sense the pressure change, when the measured pressure is higher, the water quantity is high, the arranged water suction pump (24) is started to work through an external controller at the moment, the water in the box body outer shell (1) can be efficiently extracted, the arranged water suction pump (24) is matched with the drainage main pipe (21) for use, the water in the box body outer shell (1) can be quickly discharged, the arranged protection connecting block (17) is matched with the protection supporting plate (18) for use, the second pressure sensor (19) can be protected, and when the pressure applied to the second pressure sensor (19) is higher than the bearing strength of the second pressure sensor, the protection connecting block (17) arranged at the moment is broken, the protection supporting plate (18) drives the second pressure sensor (19) to fall into the protection placing groove (16), the second pressure sensor (19) is prevented from being subjected to overlarge pressure and further can play a protection role, when water flow drives the groove detection plate (25) to move, the slope sliding block (27) slides in the slope groove (26) and extrudes the sliding detection block (28), the arranged first pressure sensor (30) senses the pressure change, when the pressure is small, the water flow in the box body outer shell (1) is small, at the moment, the external controller cuts off the power of the water suction pump (24) to stop working, the water suction pump (24) is prevented from being damaged easily due to idling, and electricity consumption can be prevented;
c, after the step B is finished, the detection connecting plate (10) is enabled to upwards push the connecting fixing block (12) to upwards move through the movement of the arranged moving transverse plate (8), so that the water discharging inner pipe (32) moves relative to the waterproof outer pipe, further the dredging convex block (38) at the outer end of the water discharging inner pipe (32) can move and can telescopically penetrate through the first through hole (33) on the waterproof outer pipe, further the arranged dredging convex block (38) can penetrate through the first through hole (33), further the sandy soil on the blocked first through hole (33) can be dredged, the sandy soil is prevented from blocking the through hole, the waterproof efficiency is prevented from being influenced, in addition, when the buoyancy ball body (5) rises, the buoyancy transverse plate (6) can be driven to move, the arranged moving connecting rod (42) is further driven to upwards move, the moving connecting rod (42) is matched with the rotating connecting rod (43), and further the rotating connecting rod (43) can drive the stirring blade plate (44) to rotate, rotate and then can mix the water through stirring lamina (44) that set up, prevent that box shell body (1) bottom inner wall side sand and soil from piling up, be convenient for sand and soil along with the discharge of water flow, and then prevent to block up.
CN202110536742.6A 2021-05-18 2021-05-18 Intelligent water drainage system for coal seam roof Active CN113153436B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105888723A (en) * 2016-06-24 2016-08-24 安徽理工大学 Drainage device and method for gas pressure measurement in downward cross hole drilling
CN109798096A (en) * 2019-01-16 2019-05-24 西安科技大学 Pumping method is let out in pressure on a kind of half-edge coal seam layer-through drilling
CN212389379U (en) * 2020-04-24 2021-01-22 赵振伟 Water draining device for coal mine excavation roadway
CN212428572U (en) * 2020-06-29 2021-01-29 贵州工程应用技术学院 Water detection and drainage device for roof of underground working surface of coal mine
CN212744073U (en) * 2020-07-17 2021-03-19 陕西天诚合创智能控制工程有限责任公司 Intelligent integrated water collector device for drainage water in mining goaf

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105888723A (en) * 2016-06-24 2016-08-24 安徽理工大学 Drainage device and method for gas pressure measurement in downward cross hole drilling
CN109798096A (en) * 2019-01-16 2019-05-24 西安科技大学 Pumping method is let out in pressure on a kind of half-edge coal seam layer-through drilling
CN212389379U (en) * 2020-04-24 2021-01-22 赵振伟 Water draining device for coal mine excavation roadway
CN212428572U (en) * 2020-06-29 2021-01-29 贵州工程应用技术学院 Water detection and drainage device for roof of underground working surface of coal mine
CN212744073U (en) * 2020-07-17 2021-03-19 陕西天诚合创智能控制工程有限责任公司 Intelligent integrated water collector device for drainage water in mining goaf

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