Device for cleaning sludge in coal mine sump

Abstract

The invention belongs to the technical field of coal mine sump desilting, and particularly relates to a device for cleaning sludge in a coal mine sump. When the sludge cleaning device is used, firstly, a machine shell is placed in the sump, at the moment, the machine shell is located above sludge, the inlet end of a sludge pumping mechanism is inclined downwards through an adjusting assembly, and the better sludge pumping effect is achieved; then, the walking mechanism drives the machine shell to walk according to a preset line to clean the sludge; sludge enters the silt pumping mechanism and moves to the outlet end of the silt pumping mechanism along with operation of the silt pumping mechanism, in the process, mud-water separation of the silt is preliminarily achieved under the action of the separation structure, most of water is reserved in the water sump, the silt enters the silt discharging mechanism, and then the silt in the silt pumping mechanism is sucked away through a silt suction pump. Sludge deposited in the water sump can be cleaned, the cleaning area is large, and the use cost is low.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mine water tank silt removal, and in particular relates to a device for cleaning silt in a coal mine water tank. Background Art

[0002] Underground coal mine water tanks are located near the mine floor, near the bottom of the mining level, in the central area of ​​the mine, or near the central pump room. Some mines also have mining water tanks within the mining area. Water gushing from each mining area and water used by equipment are drained through roadway ditches and eventually collected in the central water tank. High-powered, high-pressure pumps in the central pump room then pump the mine water to the surface, maintaining normal mine operations and ensuring safe mining.

[0003] The mine water produced during coal mining contains a large amount of impurities, primarily coal slime and sand, which settle at the bottom of the water tank, reducing its effective volume. If the silt is not cleared promptly, the water tank will not only fail to serve as a buffer and storage system, but may also cause mine flooding. Impurities in the gushing water can also enter the suction well of the main pump room, causing increased wear on the pump's flow components and accelerating pump damage. Excessive silt in the suction well can also clog the suction faucet, making drainage difficult or impossible, and seriously threatening mine safety.

[0004] Although there are silt cleaning devices installed in water tanks in the prior art, most of the silt cleaning devices are fixed. Installing a single silt cleaning device will result in the silt outside the silt cleaning range being unable to be cleaned, and installing multiple silt cleaning devices will increase the silt cleaning cost. For this reason, a silt cleaning device in a coal mine water tank is proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide a device for cleaning sludge in a coal mine water bunker to solve the above problems.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] A device for cleaning sludge in a coal mine water tank comprises a housing, a sludge extraction mechanism disposed within the housing, an inlet end of the sludge extraction mechanism passing through the housing, a separation structure for separating mud and water, an outlet end of the sludge extraction mechanism communicating with an inlet end of a sludge discharge mechanism, and an outlet end of the sludge extraction mechanism passing through the housing and communicating with a sludge suction pump;

[0008] A walking mechanism is provided on the casing, and an adjustment component for adjusting the angle of the inlet end of the silt extraction mechanism is provided between the casing and the walking mechanism.

[0009] In the sludge cleaning device in the coal mine water tank of the present invention, the sludge extraction mechanism includes a sludge suction pipe, which is arranged in the casing, and the axis of the sludge suction pipe is arranged horizontally. The inlet end of the sludge suction pipe passes through the casing, and the diameter of the sludge suction pipe is gradually reduced from the inlet end to the outlet end. A first auger shaft is coaxially connected to the sludge suction pipe, and one end of the first auger shaft passing through the outlet end of the sludge suction pipe is coaxially fixed with a sludge suction motor, and the sludge suction motor is fixedly installed in the casing. A gap for sludge to pass through is reserved between the outlet end of the sludge suction pipe and the outer side wall of the first auger shaft, and a first auger blade is fixedly connected to the outer circumference of the first auger shaft, and the first auger blade is spirally wound along the length direction of the first auger shaft, and the first auger blade is adapted to the inner side wall of the sludge suction pipe.

[0010] In the sludge cleaning device in the coal mine water tank of the present invention, the separation structure includes a plurality of through holes, and the plurality of through holes are circumferentially and evenly spaced on the outer wall of the mud suction pipe. The plurality of through holes are close to the outlet end of the mud suction pipe. An ultrafine filter is circumferentially fixedly connected to the inner wall of the through hole, and the ultrafine filter is flush with the inner wall of the mud suction pipe. A water collection structure is sleeved on the outer wall of the mud suction pipe, and the water collection structure is connected to the plurality of through holes, and the water collection structure passes through the casing.

[0011] In the sludge cleaning device in the coal mine water tank of the present invention, the water collection structure includes an annular sleeve arranged on the outside of the mud suction pipe, and a water collection groove is circumferentially opened at the inner edge of the annular sleeve. Multiple through holes are located in the water collection groove. Multiple drainage pipes are connected to the annular sleeve, and the multiple drainage pipes are arranged at equal intervals along the length direction of the annular sleeve. The drainage pipe passes through the casing at one end away from the annular sleeve, and a one-way valve is provided in the drainage pipe.

[0012] In the sludge cleaning device in the coal mine water tank of the present invention, the mud discharge mechanism includes a riser, the bottom end of the riser is connected to the outlet end of the mud suction pipe, the top end of the riser passes through the top end of the casing, the top end of the riser is fixedly connected to a mud discharge motor, the output shaft of the mud discharge motor passes through the riser and is coaxially fixed with a second auger shaft, the second auger shaft is coaxially rotatably connected in the riser, a second auger blade is fixed on the outer wall of the second auger shaft, the second auger blade is spirally wound along the length direction of the second auger shaft, a plurality of mud discharge branch pipes are connected to the outer wall of the riser, the plurality of mud discharge branch pipes are circumferentially equidistantly arranged, the plurality of mud discharge branch pipes are close to the top end of the riser, and the plurality of mud discharge branch pipes are connected to the mud suction pump.

[0013] In the sludge cleaning device in the coal mine water tank of the present invention, the traveling mechanism includes two driving wheels, which are respectively arranged on opposite sides of the housing and are coaxially arranged. Two traveling motors are fixedly connected in the housing. The output shafts of the two traveling motors pass through the housing and are coaxially fixed to the two driving wheels respectively.

[0014] A door frame is provided on the outside of the casing, and both ends of the door frame are rotatably connected to driven wheels, the two driven wheels are coaxially arranged, and the adjustment component is connected between the door frame and the casing.

[0015] In the sludge cleaning device in the coal mine water tank of the present invention, the adjusting component includes a connecting plate fixed to the portal frame, the connecting plate is horizontally arranged, the power end of the first active telescopic rod is fixed to the bottom surface of the connecting plate, the output end of the first active telescopic rod is hinged to the top surface of the casing, one end of the second active telescopic rod is hinged to the bottom surface of the connecting plate, the other end of the second active telescopic rod is hinged to the top surface of the casing, the axis of the second active telescopic rod is tilted, and the axis of the second active telescopic rod and the axis of the first active telescopic rod are located in the same plane.

[0016] In the sludge cleaning device in the coal mine water tank of the present invention, a plurality of shifting teeth are fixedly connected to the outer edges of the driving wheel and the driven wheel at equal intervals in the circumferential direction, and the axes of the shifting teeth are collinear with the diameters of the driving wheel / the driven wheel.

[0017] In the sludge cleaning device in the coal mine water bunker of the present invention, one end of the sludge discharge branch pipe away from the vertical pipe is connected to a centralizing box, and the top end of the centralizing box is connected to the sludge suction pump through a bellows.

[0018] In the device for cleaning sludge in a coal mine water bunker of the present invention, a mounting frame is fixedly connected to the casing, and the sludge suction motor and the travel motor are both fixedly mounted on the mounting frame.

[0019] Compared with the prior art, the present invention has the following advantages and technical effects:

[0020] When the sludge cleaning device of the present invention is used, the housing is first placed in the water tank. At this time, the housing is located above the sludge. The inlet end of the sludge extraction mechanism is tilted downward by adjusting the assembly to achieve a better sludge extraction effect. Then, the walking mechanism drives the housing to move along a predetermined route to clean the sludge.

[0021] The silt enters the silt extraction mechanism. As the silt extraction mechanism operates, the silt moves to the outlet end of the silt extraction mechanism. During this process, the silt is initially separated from water under the action of the separation structure. Most of the water remains in the water tank, and the silt enters the sludge discharge mechanism. Then the sludge suction pump sucks away the silt in the sludge mechanism.

[0022] The present invention can clean the sludge deposited in the water tank, has a large cleaning area and low use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive work.

[0024] Figure 1 It is a left side view of the present invention;

[0025] Figure 2 Schematic diagram of the internal structure of the present invention;

[0026] Figure 3 for Figure 2 A partial enlarged view of point A in the middle;

[0027] Among them, 1. Casing; 2. Mud suction pipe; 3. First auger shaft; 4. First auger blade; 5. Vertical pipe; 6. Mounting frame; 7. Travel motor; 8. Mud suction motor; 9. Second auger shaft; 10. Second auger blade; 11. Mud discharge motor; 12. Mud discharge branch pipe; 13. Centralizing box; 14. Bellows; 15. Drain pipe; 16. One-way valve; 17. Ring sleeve; 18. Through hole; 19. Ultrafine filter; 20. Driven wheel; 21. Door frame; 22. Connecting plate; 23. First active telescopic rod; 24. Second active telescopic rod; 25. Shifting gear; 26. Driving wheel. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] In the related technology, a sludge cleaning device in a coal mine water tank includes a mounting frame plate, the left and right ends of the mounting frame plate are fixedly connected to a positioning plate, the upper end of the mounting frame plate is provided with three laterally evenly distributed moving openings, the front and rear inner walls of each moving opening are fixedly connected with a threaded rod and a sliding rod, the threaded rod and the sliding rod located in the same moving opening are arranged at intervals, the threaded rod and the sliding rod are sleeved with a connecting sleeve block, the threaded rod is threadedly connected to the connecting sleeve block, the sliding rod is slidably connected to the connecting sleeve block, the lower ends of the two connecting sleeve blocks located in the same moving opening extend to the bottom of the mounting frame plate and are fixedly connected to a connecting frame, a conveying drum with an opening at the lower end is provided under each connecting frame, a cylindrical water throwing box is fixedly sleeved on the upper end of the conveying drum, a mounting groove is provided at the center position of the upper end of the water throwing box, the upper end of the conveying drum is located in the mounting groove, a first motor is fixedly installed on the upper end of the conveying drum, and the first motor The output end is coaxially fixedly connected with a rotating shaft, the lower end of the rotating shaft extends into the conveying cylinder, and a spiral conveying blade is fixedly sleeved on the outer circumference of the rotating shaft; a silt suction mechanism is provided under the conveying cylinder, and the silt suction mechanism includes a cylindrical silt suction box sleeved on the lower end of the conveying cylinder, and a mesh frame is provided on the outer circumference of the silt suction box, and the upper end of the silt suction box is slidingly connected to the outer circumference of the conveying cylinder, and a rotating ring is coaxially connected to the outer circumference of the water throwing tank, and the inner side of the rotating ring extends into the water throwing tank and is fixedly connected to a water filter cartridge, which is rotatably connected to the outer circumference of the conveying cylinder, and the left and right ends of the conveying cylinder are provided with drainage ports connected to the water filter cartridge, and each connecting frame is fixedly connected with a gathering box, and the lower end of the gathering box is connected with two silt extraction pipes, which are connected with the corresponding water filter cartridges, and a mud pump is fixedly installed at the upper end of the mounting frame and at the corresponding position of each movable port, and the liquid extraction end of the mud pump is connected with the corresponding upper end of the gathering box. In the above-mentioned device for cleaning sludge in a coal mine water tank, each conveying cylinder is fixedly connected to a fixed block at both ends, and the lower end of the fixed block is fixedly connected to a vertical rod. The lower end of the vertical rod passes through the upper end of the sludge suction box and is fixedly connected to a limit block in the sludge suction box. A spring is fixedly connected between each fixed block and the upper end of the sludge suction box, and the spring is sleeved on the corresponding vertical rod. In the above-mentioned device for cleaning sludge in a coal mine water tank, a conveying impeller is rotatably connected to the center of the bottom wall of the sludge suction box, and a transmission groove is coaxially provided at the lower end of the rotating shaft. A transmission rod is slidably connected in the transmission groove, and the lower end of the transmission rod is fixedly connected to the rotation center of the conveying impeller. In the above-mentioned device for cleaning sludge in a coal mine water tank, four arc-shaped protrusions distributed in a rectangular pattern are fixedly connected to the lower end of each sludge suction box. In the aforementioned coal mine silt cleaning device, a drive mechanism is provided at the front end of the mounting frame. The drive mechanism includes three first bevel gears fixedly rotatably connected to the front end of the mounting frame. The three first bevel gears are coaxially fixedly connected to the front ends of three threaded rods. A third motor is fixedly mounted at the front end of the mounting frame. The output end of the third motor is fixedly connected to a drive rod. Three second bevel gears are fixedly sleeved on the drive rod. The three second bevel gears are vertically meshed with corresponding first bevel gears. In the aforementioned coal mine silt cleaning device, a drainage net is provided on the outer circumference of each water sluice box.In the aforementioned device for cleaning sludge from coal mine silos, a gear ring is fixedly mounted on the outer circumference of each rotating ring. A rotating rod is rotatably connected to the lower end of the mounting frame, located between each of the two movable openings. A transmission gear is fixedly mounted on the lower end of the rotating rod, and the left and right ends of the transmission gear mesh with two adjacent gear rings. A second motor is fixedly mounted on the upper end of the mounting frame to drive one of the rotating rods. The advantages of this device for cleaning sludge from coal mine silos are as follows: 1. By providing three sludge suction mechanisms, the three suction mechanisms can be moved back and forth under the action of a drive structure, thereby expanding the suction range and improving the suction effect. 2. By providing a water-stripping tank and a water filter cartridge, a second motor can simultaneously drive the three filter cartridges to rotate at high speed, thereby causing the sludge and water transported into the filter cartridges by the spiral conveying blades to rotate. Under the action of centrifugal force and the water filter cartridge, the water and sludge are separated, the water is discharged through the drainage network, and the sludge is pumped out through the sludge extraction pipe by the mud pump, eliminating the need for mud-water separation, saving labor costs and improving sludge discharge efficiency.

[0031] Another device for cleaning sludge in a coal mine water tank is composed of a suspension device and a cleaning device. The suspension device is composed of a main body tube, an arc groove, a motor mounting seat, a limit ring, a suction pipe, a slot, a support plate, a suspension arm, a screen pipe and a guide sleeve. The guide sleeve is placed on the main body tube, and the guide sleeve can slide along the main body tube. One end of the two suspension arms is symmetrically placed on the guide sleeve, and the support plates correspond to the other end of the suspension arm respectively. A reinforcing rib is placed between the support plate and the suspension arm, and an elastic rubber pad is placed on the support plate. The suction pipe is connected through a screen pipe, the suction pipe is a bell mouth, the diameter of the small end is the same as the diameter of the screen pipe, the limiting ring is placed on the inner wall of the suction pipe, and is located at the small end of the suction pipe, multiple card slots are placed at the large end of the suction pipe at equal angles, the motor mounting seat sleeve is placed in the other end of the main tube, and is coaxial with the main tube, the edge of the motor mounting seat is bent outward and fits the end face of the main tube, and multiple arc grooves are placed at equal angles on the bent part of the motor mounting seat. The cleaning device consists of a driving motor, a high-density braided sleeve, a fixing ring, a spiral blade, a driving shaft, a face gear, a transmission gear, and a fixing frame. , transmission rod, worm gear sleeve, worm wheel and impeller, multiple impellers are placed in the slot of the suction pipe, one side of the blade is placed on the worm wheel, multiple transmission rods are placed on the suction pipe through the fixing frame, and are correspondingly located below the slot, a bearing is placed between the transmission rod and the fixing frame, a worm gear sleeve is placed at one end of the transmission rod, and is meshed with the corresponding worm wheel, and a transmission gear is placed at the other end, the driving motor is placed in the motor mounting seat, one end of the driving shaft is placed on the motor shaft of the driving motor, and the other end passes through the motor mounting seat and extends to the large end of the suction pipe, and the face gear is placed On the other end of the transmission shaft, and meshing with the transmission gear, the high-density braided sleeve is placed on the drive shaft, one end of the high-density braided sleeve is placed on the inner wall of one end of the main tube through a fixed ring, and the other end is placed on the limit ring through another fixed ring. The diameter of the high-density braided sleeve first decreases sharply from one end to the other end, and then remains unchanged to one-third of the total length, and then gradually increases. The spiral blade sleeve is placed on the transmission shaft, and the outer ring of the spiral blade corresponds to the suction pipe and the inner wall of the high-density braided sleeve. A number of pottery pieces are embedded on the surface of the spiral blade. When in use, the suction pipe is placed in the water tank so that the impeller on the suction pipe contacts the silt, and then the support is formed by the support plate and the arms on both sides of the water tank, and the guide sleeve is fixed so that the main tube is in the water tank and is in a vertical state. Then the drive motor is started, and the rotation of the transmission shaft drives the face gear to rotate. The face gear drives the transmission rod to rotate through the transmission gear, so that the rotation of the worm gear drives the impeller to rotate. When the impeller rotates, it pushes the silt toward the center of the suction pipe. When the silt is pushed inward by multiple impellers and accumulates, the spiral blades rotate to move the silt upward along the suction pipe, so that the silt moves up along the spiral blades. As the amount of silt rotated in increases, the silt squeezes each other to discharge the internal moisture. When the silt is squeezed into the high-density woven sleeve under pressure, as the cross-sectional area gradually decreases, the internal silt is gradually squeezed and compacted, and the moisture contained is discharged through the high-density woven sleeve and flows back to the water tank through the screen tube. Since the silt is mainly dust, the sludge liquid is mostly powdery.After squeezing out the water from the high-density braided sleeve, the silt is pushed into the main cylinder by the spiral blades, moves along the annular channel between the motor mounting seat and the main cylinder, and is discharged from the arc groove. As the silt is discharged, the sedimentation height of the bottom silt decreases, and the main cylinder moves down along the guide sleeve to further clean the silt, push the silt on the edge inward, and transport and discharge the silt through the spiral blades, continuously cleaning the silt in the water tank. The guide sleeve can slide along the main cylinder and can clean the shallow sedimentary silt in the suction pipe. Under the action of gravity, it moves down along the guide sleeve to clean the next layer of silt, avoiding residues and omissions during cleaning; a reinforcing rib is placed between the support plate and the suspension arm, which can improve the light strength of the support plate when forming a support with the side wall of the water tank, avoiding insufficient strength between the support plate and the suspension arm during operation, affecting stability; an elastic rubber pad is placed on the support plate, which can consume the vibration generated by the drive motor, avoiding the vibration being directly transmitted to the water tank, causing other disasters, and reducing the probability of safety accidents; the suction pipe is a bell mouth, which can The sucked-in sludge is collected at different angles and squeezed internally by the spiral blades, discharging water from the sludge and reducing its moisture content. Multiple impellers simultaneously push and gather the external sludge inward, allowing it to be pushed upward by the spiral blades, preventing incomplete cleaning within the same depth range. The high-density braided sleeve filters the moisture in the sludge and, in conjunction with the squeezing of the spiral blades, pressurizes the moisture from the high-density braided sleeve, reducing the moisture content in the sludge. The diameter of the high-density braided sleeve first decreases sharply from one end to the other, then remains unchanged to one-third of its total length, and then gradually increases. This change in cross-section can shrink the sludge, reducing the cross-sectional area through which the sludge passes, squeezing the sludge and discharging the moisture within it, preventing excessive humidity from affecting its recycling. Multiple ceramic shards are embedded on the surface of the spiral blades to increase the friction of the spiral blades, preventing the sludge from sliding down the spiral blades during the pushing process, which would affect the spiral blades' sludge transport, thus achieving the purpose of cleaning the sludge in the water tank. The advantages of this device for cleaning sludge in coal mine water tanks are: 1. It has a simple structure and is convenient and practical. 2. It can clean the sludge in the water tank layer by layer. 3. It can drain the water in the sludge during the cleaning process, thereby increasing the cleaning capacity. 4. It can improve cleaning efficiency and reduce the inconvenience of drainage during manual operation.

[0032] However, the sludge cleaning devices in these two coal mine water bunkers are all fixedly arranged and cannot be moved, and the sludge in the water bunker cannot be cleaned in an all-round manner.

[0033] Reference Figures 1 to 3The present invention discloses a sludge cleaning device in a coal mine water tank, comprising a housing 1, a sludge extraction mechanism provided in the housing 1, an inlet end of the sludge extraction mechanism passing through the housing 1, the sludge extraction mechanism further provided with a separation structure for separating mud and water, an outlet end of the sludge extraction mechanism connected to an inlet end of a sludge discharge mechanism, an outlet end of the sludge extraction mechanism passing through the housing 1 and connected to a sludge suction pump;

[0034] A traveling mechanism is provided on the casing 1, and an adjusting component for adjusting the angle of the inlet end of the silt extraction mechanism is provided between the casing 1 and the traveling mechanism.

[0035] When the sludge cleaning device of the present invention is used, the housing 1 is first placed in the water tank. At this time, the housing 1 is located above the sludge. The inlet end of the sludge extraction mechanism is tilted downward by adjusting the assembly to achieve a better sludge extraction effect. Then, the walking mechanism drives the housing to move along a predetermined route to clean the sludge.

[0036] The silt enters the silt extraction mechanism. As the silt extraction mechanism operates, the silt moves to the outlet end of the silt extraction mechanism. During this process, the silt is initially separated from water under the action of the separation structure. Most of the water remains in the water tank, and the silt enters the sludge discharge mechanism. Then the sludge suction pump sucks away the silt in the sludge discharge mechanism.

[0037] The present invention can clean the sludge deposited in the water tank, has a large cleaning area and low use cost.

[0038] In a feasible solution, the silt extraction mechanism includes a mud suction pipe 2, which is arranged in the casing 1, the axis of the mud suction pipe 2 is arranged horizontally, the inlet end of the mud suction pipe 2 passes through the casing 1, and the diameter of the mud suction pipe 2 is gradually reduced from the inlet end to the outlet end. The mud suction pipe 2 is coaxially connected to the first auger shaft 3, and the end of the first auger shaft 3 passing through the outlet end of the mud suction pipe 2 is coaxially fixed with a mud suction motor 8. The mud suction motor 8 is fixedly installed in the casing 1, and a gap for mud to pass through is left between the outlet end of the mud suction pipe 2 and the outer wall of the first auger shaft 3. The outer circumference of the first auger shaft 3 is fixed with a first auger blade 4, and the first auger blade 4 is spirally wound along the length direction of the first auger shaft 3, and the first auger blade 4 is adapted to the inner wall of the mud suction pipe 2.

[0039] In a feasible solution, the separation structure includes a plurality of through holes 18, which are circumferentially and evenly spaced on the outer wall of the mud suction pipe 2. The plurality of through holes 18 are all close to the outlet end of the mud suction pipe 2. An ultrafine filter screen 19 is fixedly connected to the inner circumference of the through hole 18. The ultrafine filter screen 19 is flush with the inner wall of the mud suction pipe 2. A water collection structure is provided on the outer wall of the mud suction pipe 2. The water collection structure is connected to the plurality of through holes 18, and the water collection structure passes through the casing 1.

[0040] The mud suction motor 8 drives the first auger shaft 3 to rotate, and then drives the first auger blade 4 to rotate, sucking the sludge into the mud suction pipe 2. Since the diameter of the mud suction pipe 2 gradually decreases from the inlet end to the outlet end, the sludge entering the mud suction pipe 2 is compressed, and the sludge is separated from the water at the through hole 18. The water flows back to the water tank through the water collection structure, and the sludge enters the mud discharge mechanism through the gap between the mud suction pipe 2 and the first auger shaft 3.

[0041] In a feasible solution, the water collection structure includes an annular sleeve 17 that is sleeved on the outside of the mud suction pipe 2. A water collection groove is circumferentially opened at the inner edge of the annular sleeve 17. Multiple through holes 18 are located in the water collection groove. Multiple drainage pipes 15 are connected to the annular sleeve 17. The multiple drainage pipes 15 are arranged at equal intervals along the length direction of the annular sleeve 17. The end of the drainage pipe 15 away from the annular sleeve 17 passes through the casing 1, and a one-way valve 16 is provided in the drainage pipe 15.

[0042] The water flowing out of the through hole 18 enters the plurality of drain pipes 15 through the water collecting groove of the ring sleeve 17 and is then discharged. The one-way valve 16 prevents the water in the water tank from flowing back into the ring sleeve 17.

[0043] In a feasible solution, the mud discharge mechanism includes a standpipe 5, the bottom end of the standpipe 5 is connected to the outlet end of the mud suction pipe 2, the top end of the standpipe 5 passes through the top end of the casing 1, and the top end of the standpipe 5 is fixedly connected to a mud discharge motor 11. The output shaft of the mud discharge motor 11 passes through the standpipe 5 and is coaxially fixed with a second auger shaft 9. The second auger shaft 9 is coaxially connected to the standpipe 5. A second auger blade 10 is fixed to the outer wall of the second auger shaft 9. The second auger blade 10 is spirally wound along the length direction of the second auger shaft 9. A number of mud discharge branch pipes 12 are connected to the outer wall of the standpipe 5. The number of mud discharge branch pipes 12 are circumferentially evenly spaced, and the number of mud discharge branch pipes 12 are close to the top end of the standpipe 5. The number of mud discharge branch pipes 12 are connected to the mud suction pump.

[0044] The second auger shaft 9 is driven to rotate by the mud discharge motor 11, which in turn drives the second auger blade 10 to move the silt to the top of the riser 5, and then the silt is sucked away by the mud suction pump.

[0045] In a feasible solution, the traveling mechanism includes two driving wheels 26, which are respectively arranged on opposite sides of the housing 1 and are coaxially arranged. Two traveling motors 7 are fixedly connected to the housing 1. The output shafts of the two traveling motors 7 pass through the housing 1 and are coaxially fixed to the two driving wheels 26.

[0046] A door frame 21 is provided on the outside of the casing 1 , and driven wheels 20 are rotatably connected to both ends of the door frame 21 . The two driven wheels 20 are coaxially arranged, and the adjustment component is connected between the door frame 21 and the casing 1 .

[0047] The travel motor 7 drives the driving wheel 26 to rotate, thereby driving the housing 1 to move; the rotation speed of the two travel motors 7 is controlled to control the direction of the housing 1.

[0048] In a feasible solution, the adjustment component includes a connecting plate 22 fixed to the portal frame 21, the connecting plate 22 is arranged horizontally, the power end of the first active telescopic rod 23 is fixed to the bottom surface of the connecting plate 22, the output end of the first active telescopic rod 23 is hinged to the top surface of the casing 1, and one end of the second active telescopic rod 24 is hinged to the bottom surface of the connecting plate 22, and the other end of the second active telescopic rod 24 is hinged to the top surface of the casing 1. The axis of the second active telescopic rod 24 is arranged obliquely, and the axis of the second active telescopic rod 24 and the axis of the first active telescopic rod 23 are located in the same plane.

[0049] The first active telescopic rod 23 and the second active telescopic rod 24 are both electric telescopic rods. The first active telescopic rod 23 and the second active telescopic rod 24 work together. When extended to the extreme position, the end of the casing 1 is tilted downward at a certain angle. When shortened to the extreme position, the end of the casing 1 is tilted upward at a certain angle, thereby playing different roles and realizing the function of pumping water or mud.

[0050] During operation, the angle of the end of the casing 1 can be adjusted according to actual needs, and then the angle of the inlet end of the sludge suction pipe 2 can be adjusted to achieve the suction of deposited sludge at different heights.

[0051] In a feasible solution, a plurality of shifting teeth 25 are fixedly connected to the outer edges of the driving wheel 26 and the driven wheel 20 at equal intervals in the circumferential direction, and the axes of the shifting teeth 25 are collinear with the diameters of the driving wheel 26 / driven wheel 20.

[0052] Since both the driving wheel 26 and the driven wheel 20 move in the mud, in order to prevent the mud from adhering to the driving wheel 26 and the driven wheel 20, the shifting gear 25 is provided.

[0053] The shifting teeth 25 on the driving wheel 26 and the driven wheel 20 will not interfere with each other.

[0054] In a feasible solution, one end of the mud discharge branch pipe 12 away from the riser 5 is connected to a centralizing box 13 , and the top end of the centralizing box 13 is connected to the mud suction pump through a bellows 14 .

[0055] Since the device of the present invention moves in the water tank, the provision of the bellows 14 makes it easier for the dredge suction pump to communicate with the device of the present invention.

[0056] In a feasible solution, a mounting frame 6 is fixedly connected to the casing 1 , and the mud suction motor 8 and the travel motor 7 are both fixedly mounted on the mounting frame 6 .

[0057] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0058] The embodiments described above are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by persons skilled in the art should fall within the scope of protection defined by the claims of the present invention.

Claims

1. A device for cleaning sludge in a coal mine water tank, characterized in that: The invention comprises a casing (1), wherein a silt extraction mechanism is provided in the casing (1), an inlet end of the silt extraction mechanism passes through the casing (1), the silt extraction mechanism is further provided with a separation structure for separating mud and water, an outlet end of the silt extraction mechanism is connected to an inlet end of a mud discharge mechanism, and an outlet end of the silt extraction mechanism passes through the casing (1) and is connected to a mud suction pump; A running mechanism is provided on the casing (1), and an adjustment component for adjusting the angle of the inlet end of the silt extraction mechanism is provided between the casing (1) and the running mechanism.

2. A device for cleaning sludge in a coal mine water tank according to claim 1, characterized in that: The silt extraction mechanism comprises a mud suction pipe (2), the mud suction pipe (2) being arranged in the housing (1), the axis of the mud suction pipe (2) being arranged horizontally, the inlet end of the mud suction pipe (2) passing through the housing (1), the diameter of the mud suction pipe (2) being arranged to gradually decrease from the inlet end to the outlet end, a first auger shaft (3) being coaxially connected to the mud suction pipe (2), one end of the first auger shaft (3) passing through the outlet end of the mud suction pipe (2) being coaxially fixedly connected to a mud suction motor (8), the mud suction motor (8) being fixedly installed in the housing (1), a gap for mud to pass through being reserved between the outlet end of the mud suction pipe (2) and the outer side wall of the first auger shaft (3), a first auger blade (4) being circumferentially fixedly connected to the outer side of the first auger shaft (3), the first auger blade (4) being spirally wound along the length direction of the first auger shaft (3), and the first auger blade (4) being adapted to the inner side wall of the mud suction pipe (2).

3. A device for cleaning sludge in a coal mine water tank according to claim 2, characterized in that: The separation structure includes a plurality of through holes (18), and the plurality of through holes (18) are circumferentially and evenly spaced on the outer wall of the mud suction pipe (2). The plurality of through holes (18) are close to the outlet end of the mud suction pipe (2). An ultrafine filter (19) is fixedly connected to the inner circumference of the through hole (18), and the ultrafine filter (19) is flush with the inner wall of the mud suction pipe (2). A water collection structure is sleeved on the outer wall of the mud suction pipe (2), and the water collection structure is connected to the plurality of through holes (18). The water collection structure passes through the casing (1).

4. A device for cleaning sludge in a coal mine water tank according to claim 3, characterized in that: The water collection structure comprises an annular sleeve (17) sleeved on the outside of the mud suction pipe (2), a water collection groove is circumferentially opened at the inner edge of the annular sleeve (17), and a plurality of through holes (18) are located in the water collection groove. The annular sleeve (17) is connected to a plurality of drainage pipes (15), and the plurality of drainage pipes (15) are arranged at equal intervals along the length direction of the annular sleeve (17). One end of the drainage pipe (15) away from the annular sleeve (17) passes through the casing (1), and a one-way valve (16) is arranged in the drainage pipe (15).

5. The device for cleaning sludge in a coal mine water tank according to claim 2, characterized in that: The mud discharge mechanism comprises a vertical pipe (5), the bottom end of the vertical pipe (5) is connected to the outlet end of the mud suction pipe (2), the top end of the vertical pipe (5) passes through the top end of the casing (1), the top end of the vertical pipe (5) is fixedly connected to a mud discharge motor (11), the output shaft of the mud discharge motor (11) passes through the vertical pipe (5) and is coaxially fixedly connected to a second auger shaft (9), the second auger shaft (9) is coaxially rotatably connected to the vertical pipe (5), a second auger blade (10) is fixedly connected to the outer wall of the second auger shaft (9), the second auger blade (10) is spirally wound along the length direction of the second auger shaft (9), the outer wall of the vertical pipe (5) is connected to a plurality of mud discharge branch pipes (12), the plurality of mud discharge branch pipes (12) are circumferentially arranged at equal intervals, the plurality of mud discharge branch pipes (12) are all close to the top end of the vertical pipe (5), and the plurality of mud discharge branch pipes (12) are all connected to the mud suction pump.

6. The device for cleaning sludge in a coal mine water tank according to claim 2, characterized in that: The walking mechanism comprises two driving wheels (26), the two driving wheels (26) being respectively arranged on opposite sides of the housing (1) and being coaxially arranged, two walking motors (7) being fixedly connected in the housing (1), the output shafts of the two walking motors (7) passing through the housing (1) and being coaxially fixedly connected to the two driving wheels (26); A door frame (21) is provided on the outside of the housing (1), and driven wheels (20) are rotatably connected to both ends of the door frame (21), and the two driven wheels (20) are coaxially arranged. The adjustment assembly is connected between the door frame (21) and the housing (1).

7. A device for cleaning sludge in a coal mine water tank according to claim 6, characterized in that: The adjustment assembly comprises a connecting plate (22) fixedly connected to the portal frame (21), the connecting plate (22) being arranged horizontally, the power end of a first active telescopic rod (23) being fixedly connected to the bottom surface of the connecting plate (22), the output end of the first active telescopic rod (23) being hinged to the top surface of the housing (1), one end of a second active telescopic rod (24) being hinged to the bottom surface of the connecting plate (22), the other end of the second active telescopic rod (24) being hinged to the top surface of the housing (1), the axis of the second active telescopic rod (24) being arranged obliquely, and the axis of the second active telescopic rod (24) and the axis of the first active telescopic rod (23) being located in the same plane.

8. The device for cleaning sludge in a coal mine water tank according to claim 6, characterized in that: A plurality of shifting teeth (25) are fixedly connected to the outer edges of the driving wheel (26) and the driven wheel (20) at equal intervals in the circumferential direction, and the axes of the shifting teeth (25) are collinear with the diameters of the driving wheel (26) / the driven wheel (20).

9. The device for cleaning sludge in a coal mine water tank according to claim 5, characterized in that: One end of the mud discharge branch pipe (12) away from the vertical pipe (5) is connected to a centralizing box (13), and the top end of the centralizing box (13) is connected to the mud suction pump through a bellows (14).

10. The device for cleaning sludge in a coal mine water tank according to claim 6, characterized in that: A mounting frame (6) is fixedly connected inside the casing (1), and the mud suction motor (8) and the travel motor (7) are both fixedly mounted on the mounting frame (6).

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