CN224260397U - Working face drainage device based on centralized water pump control - Google Patents

Abstract

This utility model discloses a working face drainage device based on centralized water pump control, comprising several drainage units arranged side by side. These drainage units are connected to a start/stop platform via wires and to a lifting platform via pipes. It also includes a control platform, with the drainage units connected to the control platform via wires and pipes. This utility model's working face drainage device based on centralized water pump control solves the problem of frequent pump hoisting and relocation in existing technologies, achieving centralized control and rapid, efficient drainage of accumulated water, minimizing the impact of water damage on safe and efficient production.

Description

Working face drainage device based on centralized control of water pump

Technical Field

The utility model belongs to the technical field of coal mine drainage equipment, and relates to a working face drainage device based on centralized control of a water pump.

Background

The underground working face water damage of the coal mine seriously threatens the safety production, high-efficiency operation and equipment operation safety, a large amount of water burst on the working face and coal dust are mixed to form a water-coal mixture, the water-coal mixture is easily taken out by a scraper conveyor, a transportation system and a safety outlet are blocked, and the coal slime of a transportation roadway is caused to be deposited, so that normal drainage of the working face is hindered, a water accumulation reverse-filling operation space is more easily caused, a vicious circle is formed, in addition, when the working area water is serious, the operation area is submerged, coal mining equipment (such as the peeling of a coating of a hydraulic support and the corrosion and the blocking of a transmission part of a coal mining machine) is damaged or failed due to soaking, the faults frequently occur, and the production progress is seriously delayed.

At present, a water pump is generally arranged at a low-lying position of a working face, drainage is started only by accumulated water according to a passive response principle, the water pump is required to be hoisted and transported frequently in the face of complex and changeable working face working conditions, the labor intensity of the process is extremely high, the time consumption is long, the production continuity is seriously restricted, and the risk of high-altitude falling of equipment caused by chain breakage exists along with obvious safety risks, particularly when the chain block is frequently used for hoisting and transporting, and meanwhile, the damaged chain block is required to be replaced periodically, so that the operation risk and the maintenance cost are further increased.

Meanwhile, in a sump pit treatment system of industrial scenes such as a coal mine, a coal washery and the like, the traditional mechanical filtering device has the problems of lack of a self-cleaning function, poor filtering effect of a single-layer filter screen structure and the like. During long-term operation, coal slime, suspended matters and sediments are rapidly accumulated, so that the filter holes are seriously blocked, and the filtering efficiency is reduced. And because of no self-cleaning mechanism, the filter screen is required to be cleaned manually, the operation intensity is high, the maintenance cost is high, and potential safety hazards such as slipping and mechanical injury exist.

Disclosure of utility model

The utility model aims to provide a working face drainage device based on centralized control of a water pump, which solves the problem that the water pump is required to be frequently hoisted and transported in the prior art.

The technical scheme includes that the working face drainage device based on centralized control of the water pump comprises a plurality of drainage units, the drainage units are arranged side by side, the drainage units are connected with a start-stop platform through wires, the drainage units are connected with a lifting platform through pipelines, the working face drainage device further comprises a control platform, the drainage units are connected with the control platform through wires, and the drainage units are connected with the control platform through pipelines.

The utility model is also characterized in that:

A plurality of emergency stop locking switches are arranged on the starting and stopping platform, and a plurality of drainage units are respectively connected with the plurality of emergency stop locking switches in a one-to-one correspondence manner through wires; the lifting platform is provided with a plurality of control valve groups, a plurality of water draining units are respectively connected with the plurality of control valve groups in a one-to-one correspondence manner through pipelines, the control platform is provided with a plurality of water pump start-stop switches and a plurality of lifting control switches, the plurality of water draining units are respectively connected with the plurality of water pump start-stop switches in a one-to-one correspondence manner through wires, the plurality of water draining units are respectively connected with the plurality of lifting control switches in a one-to-one correspondence manner through pipelines, the control platform is also provided with an emergency stop button, and the plurality of water pump start-stop switches and the plurality of lifting control switches are all connected with the emergency stop button through wires.

The drainage unit comprises two hydraulic supports, two hydraulic support front beams are arranged on the two hydraulic supports, hydraulic telescopic cylinders are hinged to the four hydraulic support front beams, and a water pump unit is hinged to the hydraulic telescopic cylinders through connecting plates.

The water pump unit comprises two submersible electric pumps, wherein the two submersible electric pumps are respectively connected with the two hydraulic telescopic cylinders through connecting plates, the water pump unit further comprises a heavy-load submersible slurry pump and a filter screen cleaning device, the heavy-load submersible slurry pump and the filter screen cleaning device are respectively connected with the other two hydraulic telescopic cylinders through the connecting plates, and the filter screen cleaning device is arranged between the heavy-load submersible slurry pump and the two submersible electric pumps.

The submersible electric pump is provided with a first hanging ring, the first hanging ring is connected with the connecting plate through a hinge shaft, the submersible electric pump is also provided with a first water outlet, and the first water outlet is connected to a mine main drainage system through a pipeline.

The heavy-duty submersible slurry pump is provided with a second hanging ring, the second hanging ring is connected with another connecting plate through a hinge shaft, the heavy-duty submersible slurry pump is also provided with a second water outlet, and the second water outlet is connected with a cable trough arranged above the scraper conveyor through a pipeline.

The hydraulic telescopic cylinder comprises a telescopic cylinder body and a piston rod, wherein a third lifting ring is arranged on the telescopic cylinder body and connected with a front beam of the hydraulic support through a hinge shaft, a fourth lifting ring is arranged at one end, far away from the third lifting ring, of the piston rod and connected with a connecting plate through the hinge shaft, a first through hole is formed in one end of the connecting plate, the fourth lifting ring is connected with the connecting plate through the hinge shaft in the first through hole, a second through hole is formed in the other end of the connecting plate, and the water pump unit is connected with the connecting plate through the hinge shaft in the second through hole.

The filter screen cleaning device comprises a filter device, wherein the filter device is horizontally arranged, fixing devices are fixedly connected to the outer walls of two ends of the filter device, the fixing devices are of an X-shaped structure, the filter screen cleaning device further comprises a first filter screen layer and a second filter screen layer, the filter device is fixedly connected between the first filter screen layer and the second filter screen layer through the fixing devices, the filter screen cleaning device further comprises four traction ropes, one ends of the four traction ropes are fixedly connected in second through holes of another connecting plate, the other ends of the two traction ropes are connected to two sides of the top of the first filter screen layer, the other ends of the other two traction ropes are connected to two sides of the top of the second filter screen layer, the porosity of the first filter screen layer is greater than that of the second filter screen layer, the first filter screen layer is close to a heavy-load submersible slurry pump, and the second filter screen layer is close to a submersible electric pump.

The filtering device is provided with a high-pressure water inlet, a plurality of high-pressure nozzle units are uniformly arranged on the side face of the outer wall of the filtering device along the circumferential direction, and each of the plurality of high-pressure nozzle units comprises a plurality of high-pressure nozzles.

The hydraulic support is provided with a mine intrinsic safety type radar water level sensor and a cradle head camera.

The beneficial effects of the utility model are as follows:

The working surface drainage device based on the centralized control of the water pump, provided by the utility model, is characterized in that a centralized control system is constructed by combining a start-stop platform with a lifting platform and combining an emergency stop locking switch and a control valve group, so that the remote accurate start-stop and lifting control of the multi-pump collaborative operation is realized, the misoperation rate is remarkably reduced, the drainage efficiency is improved, centralized drainage can be realized through two modes of remote control and field control, accumulated water on a working surface can be efficiently and reliably discharged, the safety of an operation environment and the normal operation of equipment are ensured, the heavy-load submersible slurry pump is specially used for treating coal slime water with high solid content and directly discharging the coal slime water into a scraper conveyor, the solid particles are effectively shunted, the risk that the coal slime blocks a mining explosion-proof type submersible electric pump filter screen or an impeller is fundamentally avoided, the stability and the reliability of the drainage device are greatly improved, the scraper conveyor is used as a coal slime transportation carrier, the coal slime resources which are difficult to process are effectively conveyed to a belt conveyor, the waste of the coal resources is remarkably reduced, the working surface of underground coal mine is efficiently and rapidly accumulated, the water is ensured, and the adverse effects on the production and the operation efficiency of the equipment are reduced.

Drawings

FIG. 1 is a schematic diagram of a working surface drainage device based on centralized control of a water pump;

FIG. 2 is a schematic view of the structure of the start-stop platform of the present utility model;

FIG. 3 is a schematic view of the structure of the lifting platform of the present utility model;

FIG. 4 is a schematic structural view of the control platform of the present utility model;

FIG. 5 is a schematic connection diagram of the water pump unit of the present utility model;

FIG. 6 is a schematic view of the submersible electric pump of the utility model;

FIG. 7 is a schematic view of the construction of the heavy duty submersible slurry pump of the present utility model;

FIG. 8 is a schematic view of the structure of the hydraulic telescopic cylinder of the present utility model;

FIG. 9 is a schematic view of the structure of the connection plate of the present utility model;

FIG. 10 is a schematic view of the structure of the screen cleaning apparatus of the present utility model;

fig. 11 is a schematic structural view of the filtering apparatus of the present utility model.

The hydraulic support comprises a hydraulic support body 1, a hydraulic support front beam 2, a mining intrinsic safety type radar water level sensor 3, a hydraulic telescopic oil cylinder 4, a connecting plate 5, a water pump unit 6, a submersible electric pump 7, a heavy-duty submersible slurry pump 8, a sudden stop locking switch 10, a start-stop platform 11, a lifting platform 12, a control valve group 13, a first lifting ring 14, a first water outlet 15, a second lifting ring 16, a second water outlet 17, a third lifting ring 18, a piston rod 19, a fourth lifting ring 20, a first through hole 21, a second through hole 22, a traction rope 23, a filtering device 24, a first filter grid layer 25, a filter screen cleaning device 26, a second filter grid layer 27, a fixing device 28, a high-pressure water inlet 29, a high-pressure nozzle 30, a control platform 31, a sudden stop button 32, a water pump start-stop switch 33, a lifting control switch 34 and a cradle head instrument.

Detailed Description

The utility model will be described in detail below with reference to the drawings and the detailed description.

The working face drainage device based on the centralized control of the water pump provided by the utility model is based on specific geological conditions of the coal face, such as bottom plate fluctuation, water inflow and the like, and the existing equipment, such as a hydraulic support 1, The arrangement condition of a scraper conveyor and the like is that in a proper area in front of a tail end frame of a working face, a normal cutting function of a coal mining machine is utilized for bedding, a water collecting pit with a certain volume and depth is formed by excavation, the water collecting pit is used as a centralized water discharging point of the working face, as shown in fig. 1, the water collecting pit comprises a plurality of water discharging units, the water discharging units are arranged side by side, as shown in fig. 1, the water discharging units are connected with a start-stop platform 10 through wires, the water discharging units are connected with a lifting platform 11 through pipes, the water discharging units also comprise a control platform 30, the water discharging units are connected with the control platform 30 through wires, and the water discharging units are also connected with the control platform 30 through pipes; as shown in fig. 2, a plurality of emergency stop locking switches 9 are arranged on the start-stop platform 10, and a plurality of drainage units are respectively connected with the plurality of emergency stop locking switches 9 in a one-to-one correspondence manner through wires; as shown in fig. 3, the lifting platform 11 is provided with a plurality of control valve groups 12, a plurality of drainage units are respectively connected with the plurality of control valve groups 12 in a one-to-one correspondence manner through pipelines, as shown in fig. 4, the control platform 30 is provided with a plurality of water pump start-stop switches 32 and a plurality of lifting control switches 33, the plurality of drainage units are respectively connected with the plurality of water pump start-stop switches 32 in a one-to-one correspondence manner through wires, the plurality of drainage units are respectively connected with the plurality of lifting control switches 33 in a one-to-one correspondence manner through pipelines, the control platform 30 is also provided with a scram button 31, the plurality of water pump start-stop switches 32 and the plurality of lifting control switches 33 are respectively connected with the scram button 31 through wires, the number of scram locking switches 9 is strictly matched with the number of water pumps, each scram locking switch 9 has a unique number and is precisely associated with the number of the corresponding water pump and the number of the lifting hydraulic telescopic cylinder, and each switch can control the water pump with corresponding number to start and stop. The remote centralized starting and stopping platform 10 of the water pump is arranged at a position where the water level of a water pit and the on-site running state of all water pumps can be directly observed in real time, so that an operator can visually see the water level and the running state of the water pumps while remotely and intensively controlling, safe, accurate and efficient mine drainage control is realized, the remote centralized lifting platform 11 of the water pump adopts a mining hydraulic support control valve bank 12 as an execution unit, the serial number of each control valve bank 12 is strictly matched with the serial number of the mining intrinsically safe combined scram locking switch 9 and the serial number of the water pump, and each control valve bank 12 can control the water pump with the corresponding serial number to ascend and descend. The water pump remote centralized lifting platform is still installed at a position capable of directly observing the water level of the water pit and the on-site running state of all water pumps in real time, and is relatively close to the water pump remote centralized control platform, so that an operator can perform cross-platform operation in a short time. As shown in fig. 5, the drainage unit comprises two hydraulic supports 1, two hydraulic support front beams 2 are arranged on the two hydraulic supports 1, hydraulic telescopic cylinders 4 are hinged on the four hydraulic support front beams 2, the hydraulic telescopic cylinders 4 are hinged with a water pump unit 6 through a connecting plate 5, the water pump unit 6 connected with the lower end of the hydraulic telescopic cylinders 4 is driven to lift in a water collecting pit so as to adapt to water level change and ensure that the water pump unit 6 is always at a high-efficiency drainage position, and the water collecting pit is not a fixed structure which is excavated in advance, but is formed dynamically through a specific bedding process when the coal cutter performs coal cutting operation in a tail area. The position of the water pit continuously moves towards the advancing direction of the working surface along with the coal cutting cycle of the coal mining machine and the periodical forward movement of the hydraulic support 1. Meanwhile, the volume and depth of the water collecting pit are also not constant, but are adaptively adjusted according to specific geological hydrologic conditions such as real-time water inflow dynamic of a working face, floor lithology, gradient, roof water spraying and the like, the water collecting pit is mainly realized by precisely controlling the depth and the range of a bedrock of a coal mining machine, and in the design and dynamic adjustment process, two core constraint conditions must be strictly met, namely the water level of the water collecting pit is required to be always controlled below a preset safe height, so that key components such as an installed tail scraper conveyor motor, a submersible slurry pump 8, a submersible electric pump 7 and the like are not submerged, the pit shape and the peripheral area must reserve enough effective space, and the safety of working face operators is ensured, The water pump unit 6 comprises two submersible electric pumps 7, the two submersible electric pumps 7 are respectively connected with the two hydraulic telescopic cylinders 4 through connecting plates 5, and the length and telescopic stroke design of the hydraulic telescopic cylinders 4 are accurately matched based on the supporting height of the hydraulic support 1, the installation height of the water pump unit 6 and the depth of a water pit. The minimum shrinkage height of the hydraulic telescopic oil cylinder 4 needs to safely lift the water pump unit 6 to a required position, meanwhile, the forward pushing operation of the hydraulic support 1 is ensured not to be interfered, the maximum extension length needs to meet the requirement that the supporting height of the hydraulic support 1 subtracts the installation height of the water pump unit 6 and considers the safety margin, the effective stroke must cover the height adjusting range of the hydraulic support 1 and adapt to the position adjusting requirement of the water pump unit 6 caused by water level change, thereby realizing the reliable supporting and the height self-adaptive adjustment of the equipment in a complex environment in a pit, the hydraulic telescopic oil cylinder further comprises a heavy-load submersible slurry pump 8 and a filter screen cleaning device 25, the heavy-load submersible slurry pump 8 and the filter screen cleaning device 25 are respectively connected with the other two hydraulic telescopic oil cylinders 4 through connecting plates 5, and the filter screen cleaning device 25 is arranged between the heavy-load submersible slurry pump 8 and the two submersible water electric pumps 7. As shown in fig. 6, the submersible electric pump 7 is provided with a first hanging ring 13, the first hanging ring 13 is connected with the connecting plate 5 through a hinge shaft, the submersible electric pump 7 is also provided with a first water outlet 14, and the first water outlet 14 is connected to a mine main drainage system through a pipeline. As shown in fig. 7, the heavy-duty submersible slurry pump 8 is provided with a second hanging ring 15, the second hanging ring 15 is connected with the other connecting plate 5 through a hinge shaft, the heavy-duty submersible slurry pump 8 is also provided with a second water outlet 16, and the second water outlet 16 is connected with a cable trough arranged above the scraper conveyor through a pipeline, so that the pumped coal slurry mixture is directly discharged into the trough of the scraper conveyor in operation. As shown in fig. 8, the hydraulic telescopic cylinder 4 comprises a telescopic cylinder body and a piston rod 18, a third lifting ring 17 is arranged on the telescopic cylinder body, the third lifting ring 17 is connected with the hydraulic support front beam 2 through a hinge shaft, a fourth lifting ring 19 is arranged at one end, away from the third lifting ring 17, of the piston rod 18, the fourth lifting ring 19 is connected with the connecting plate 5 through the hinge shaft, as shown in fig. 9, a first through hole 20 is formed in one end of the connecting plate 5, the fourth lifting ring 19 is connected with the connecting plate 5 through the hinge shaft in the first through hole 20, a second through hole 21 is formed in the other end of the connecting plate 5, and the water pump unit 6 is connected with the connecting plate 5 through the hinge shaft in the second through hole 21. As shown in fig. 10, the filter screen cleaning device 25 includes a filter device 23, the filter device 23 is horizontally disposed, two end walls of the filter device 23 are fixedly connected with fixing devices 27, the fixing devices 27 are in an "X" structure, the filter screen cleaning device further includes a first filter screen layer 24 and a second filter screen layer 26, the filter device 23 is fixedly connected between the first filter screen layer 24 and the second filter screen layer 26 through the fixing devices 27, the filter screen cleaning device further includes four traction ropes 22, one ends of the four traction ropes 22 are fixedly connected in second through holes 21 of another connecting plate 5, the other ends of the two traction ropes 22 are connected to two sides of the top of the first filter screen layer 24, the other ends of the other two traction ropes 22 are connected to two sides of the top of the second filter screen layer 26, the porosity of the first filter screen layer 24 is greater than that of the second filter screen layer 26, the first filter screen layer 24 is close to the heavy-duty submersible pump 8, and the second filter screen layer 26 is close to the submersible pump 7. As shown in FIG. 11, a high-pressure water inlet 28 is arranged on the filter device 23, a plurality of high-pressure nozzle units are uniformly arranged on the side surface of the outer wall of the filter device 23 along the circumferential direction, each of the plurality of high-pressure nozzle units comprises a plurality of high-pressure nozzles 29, and a mining intrinsic safety type radar water level sensor 3 and a cradle head camera 34 are arranged on the hydraulic support 1.

Example 1

The working face drainage device based on water pump centralized control that this embodiment provided, including a plurality of drainage unit, a plurality of drainage unit sets up side by side, and as shown in fig. 1, a plurality of drainage unit is connected with opens and stops platform 10 through the wire, and a plurality of drainage unit has lift platform 11 through the pipe connection, still includes control platform 30, and a plurality of drainage unit is connected with control platform 30 through the wire, and a plurality of drainage unit is still connected with control platform 30 through the pipeline.

Example 2

The working surface drainage device based on centralized control of water pumps provided by the embodiment comprises a plurality of drainage units, wherein the plurality of drainage units are arranged side by side, the plurality of drainage units are connected with a start-stop platform 10 through wires, the plurality of drainage units are connected with a lifting platform 11 through pipelines, the working surface drainage device further comprises a control platform 30, the plurality of drainage units are connected with the control platform 30 through wires, the plurality of drainage units are further connected with the control platform 30 through pipelines, the start-stop platform 10 is provided with a plurality of emergency stop locking switches 9, the plurality of drainage units are respectively connected with the plurality of emergency stop locking switches 9 through wires in a one-to-one correspondence manner, the lifting platform 11 is provided with a plurality of control valve groups 12, the plurality of drainage units are respectively connected with the plurality of control valve groups 12 through the pipelines in a one-to-one correspondence manner, the control platform 30 is provided with a plurality of water pump start-stop switches 32 and a plurality of lifting control switches 33 through the wires, the plurality of drainage units are also respectively connected with the plurality of water pump start-stop switches 32 in a one-to-one correspondence manner, the plurality of water pump start-stop switches 33 are also respectively connected with the plurality of control switches 33 through the pipelines, the emergency stop switches 33 are respectively, the water pump start-stop switches are also respectively connected with the emergency stop switches 31 through the control buttons are connected with the emergency stop switches 31 through the wires, and the water pump stop switches are respectively.

Example 3

The working surface drainage device based on centralized control of water pumps provided by the embodiment comprises a plurality of drainage units, wherein the plurality of drainage units are arranged side by side, the plurality of drainage units are connected with a start-stop platform 10 through wires, the plurality of drainage units are connected with a lifting platform 11 through pipelines, the working surface drainage device further comprises a control platform 30, the plurality of drainage units are connected with the control platform 30 through wires, the plurality of drainage units are further connected with the control platform 30 through pipelines, the start-stop platform 10 is provided with a plurality of emergency stop locking switches 9, the plurality of drainage units are respectively connected with the plurality of emergency stop locking switches 9 through wires in a one-to-one correspondence manner, the lifting platform 11 is provided with a plurality of control valve groups 12, the plurality of drainage units are respectively connected with the plurality of control valve groups 12 through the pipelines in a one-to-one correspondence manner, the control platform 30 is provided with a plurality of water pump start-stop switches 32 and a plurality of lifting control switches 33 through the wires, the plurality of drainage units are also respectively connected with the plurality of water pump start-stop switches 32 in a one-to-one correspondence manner, the plurality of water pump start-stop switches 33 are also respectively connected with the plurality of control switches 33 through the pipelines, the emergency stop switches 33 are respectively, the water pump start-stop switches are also respectively connected with the emergency stop switches 31 through the control buttons are connected with the emergency stop switches 31 through the wires, and the water pump stop switches are respectively. As shown in fig. 5, the drainage unit comprises two hydraulic supports 1, two hydraulic support front beams 2 are arranged on the two hydraulic supports 1, hydraulic telescopic cylinders 4 are hinged on the four hydraulic support front beams 2, a water pump unit 6 is hinged on the hydraulic telescopic cylinders 4 through a connecting plate 5, the water pump unit 6 comprises two submersible electric pumps 7, the two submersible electric pumps 7 are respectively connected with the two hydraulic telescopic cylinders 4 through the connecting plate 5, the water pump unit further comprises a heavy-duty submersible slurry pump 8 and a filter screen cleaning device 25, the heavy-duty submersible slurry pump 8 and the filter screen cleaning device 25 are respectively connected with the other two hydraulic telescopic cylinders 4 through the connecting plate 5, and the filter screen cleaning device 25 is arranged between the heavy-duty submersible slurry pump 8 and the two submersible electric pumps 7.

Example 4

The working surface drainage device based on centralized control of water pumps provided by the embodiment comprises a plurality of drainage units, wherein the plurality of drainage units are arranged side by side, the plurality of drainage units are connected with a start-stop platform 10 through wires, the plurality of drainage units are connected with a lifting platform 11 through pipelines, the working surface drainage device further comprises a control platform 30, the plurality of drainage units are connected with the control platform 30 through wires, the plurality of drainage units are further connected with the control platform 30 through pipelines, the start-stop platform 10 is provided with a plurality of emergency stop locking switches 9, the plurality of drainage units are respectively connected with the plurality of emergency stop locking switches 9 through wires in a one-to-one correspondence manner, the lifting platform 11 is provided with a plurality of control valve groups 12, the plurality of drainage units are respectively connected with the plurality of control valve groups 12 through the pipelines in a one-to-one correspondence manner, the control platform 30 is provided with a plurality of water pump start-stop switches 32 and a plurality of lifting control switches 33 through the wires, the plurality of drainage units are also respectively connected with the plurality of water pump start-stop switches 32 in a one-to-one correspondence manner, the plurality of water pump start-stop switches 33 are also respectively connected with the plurality of control switches 33 through the pipelines, the emergency stop switches 33 are respectively, the water pump start-stop switches are also respectively connected with the emergency stop switches 31 through the control buttons are connected with the emergency stop switches 31 through the wires, and the water pump stop switches are respectively. As shown in fig. 5, the drainage unit comprises two hydraulic supports 1, two hydraulic support front beams 2 are arranged on the two hydraulic supports 1, hydraulic telescopic cylinders 4 are hinged on the four hydraulic support front beams 2, a water pump unit 6 is hinged on the hydraulic telescopic cylinders 4 through a connecting plate 5, the water pump unit 6 comprises two submersible electric pumps 7, the two submersible electric pumps 7 are respectively connected with the two hydraulic telescopic cylinders 4 through the connecting plate 5, the water pump unit further comprises a heavy-duty submersible slurry pump 8 and a filter screen cleaning device 25, the heavy-duty submersible slurry pump 8 and the filter screen cleaning device 25 are respectively connected with the other two hydraulic telescopic cylinders 4 through the connecting plate 5, and the filter screen cleaning device 25 is arranged between the heavy-duty submersible slurry pump 8 and the two submersible electric pumps 7. As shown in fig. 6, the submersible electric pump 7 is provided with a first hanging ring 13, the first hanging ring 13 is connected with the connecting plate 5 through a hinge shaft, the submersible electric pump 7 is also provided with a first water outlet 14, and the first water outlet 14 is connected to a mine main drainage system through a pipeline. As shown in fig. 7, the heavy-duty submersible slurry pump 8 is provided with a second hanging ring 15, the second hanging ring 15 is connected with the other connecting plate 5 through a hinge shaft, the heavy-duty submersible slurry pump 8 is also provided with a second water outlet 16, and the second water outlet 16 is connected with a cable trough arranged above the scraper conveyor through a pipeline.

Example 5

The working surface drainage device based on centralized control of water pumps provided by the embodiment comprises a plurality of drainage units, wherein the plurality of drainage units are arranged side by side, the plurality of drainage units are connected with a start-stop platform 10 through wires, the plurality of drainage units are connected with a lifting platform 11 through pipelines, the working surface drainage device further comprises a control platform 30, the plurality of drainage units are connected with the control platform 30 through wires, the plurality of drainage units are further connected with the control platform 30 through pipelines, the start-stop platform 10 is provided with a plurality of emergency stop locking switches 9, the plurality of drainage units are respectively connected with the plurality of emergency stop locking switches 9 through wires in a one-to-one correspondence manner, the lifting platform 11 is provided with a plurality of control valve groups 12, the plurality of drainage units are respectively connected with the plurality of control valve groups 12 through the pipelines in a one-to-one correspondence manner, the control platform 30 is provided with a plurality of water pump start-stop switches 32 and a plurality of lifting control switches 33 through the wires, the plurality of drainage units are also respectively connected with the plurality of water pump start-stop switches 32 in a one-to-one correspondence manner, the plurality of water pump start-stop switches 33 are also respectively connected with the plurality of control switches 33 through the pipelines, the emergency stop switches 33 are respectively, the water pump start-stop switches are also respectively connected with the emergency stop switches 31 through the control buttons are connected with the emergency stop switches 31 through the wires, and the water pump stop switches are respectively. As shown in fig. 5, the drainage unit comprises two hydraulic supports 1, two hydraulic support front beams 2 are arranged on the two hydraulic supports 1, hydraulic telescopic cylinders 4 are hinged on the four hydraulic support front beams 2, a water pump unit 6 is hinged on the hydraulic telescopic cylinders 4 through a connecting plate 5, the water pump unit 6 comprises two submersible electric pumps 7, the two submersible electric pumps 7 are respectively connected with the two hydraulic telescopic cylinders 4 through the connecting plate 5, the water pump unit further comprises a heavy-duty submersible slurry pump 8 and a filter screen cleaning device 25, the heavy-duty submersible slurry pump 8 and the filter screen cleaning device 25 are respectively connected with the other two hydraulic telescopic cylinders 4 through the connecting plate 5, and the filter screen cleaning device 25 is arranged between the heavy-duty submersible slurry pump 8 and the two submersible electric pumps 7. As shown in fig. 6, the submersible electric pump 7 is provided with a first hanging ring 13, the first hanging ring 13 is connected with the connecting plate 5 through a hinge shaft, the submersible electric pump 7 is also provided with a first water outlet 14, and the first water outlet 14 is connected to a mine main drainage system through a pipeline. As shown in fig. 7, the heavy-duty submersible slurry pump 8 is provided with a second hanging ring 15, the second hanging ring 15 is connected with the other connecting plate 5 through a hinge shaft, the heavy-duty submersible slurry pump 8 is also provided with a second water outlet 16, and the second water outlet 16 is connected with a cable trough arranged above the scraper conveyor through a pipeline. As shown in fig. 8, the hydraulic telescopic cylinder 4 comprises a telescopic cylinder body and a piston rod 18, a third lifting ring 17 is arranged on the telescopic cylinder body, the third lifting ring 17 is connected with the hydraulic support front beam 2 through a hinge shaft, a fourth lifting ring 19 is arranged at one end, away from the third lifting ring 17, of the piston rod 18, the fourth lifting ring 19 is connected with the connecting plate 5 through the hinge shaft, as shown in fig. 9, a first through hole 20 is formed in one end of the connecting plate 5, the fourth lifting ring 19 is connected with the connecting plate 5 through the hinge shaft in the first through hole 20, a second through hole 21 is formed in the other end of the connecting plate 5, and the water pump unit 6 is connected with the connecting plate 5 through the hinge shaft in the second through hole 21.

Example 6

The working surface drainage device based on centralized control of water pumps provided by the embodiment comprises a plurality of drainage units, wherein the plurality of drainage units are arranged side by side, the plurality of drainage units are connected with a start-stop platform 10 through wires, the plurality of drainage units are connected with a lifting platform 11 through pipelines, the working surface drainage device further comprises a control platform 30, the plurality of drainage units are connected with the control platform 30 through wires, the plurality of drainage units are further connected with the control platform 30 through pipelines, the start-stop platform 10 is provided with a plurality of emergency stop locking switches 9, the plurality of drainage units are respectively connected with the plurality of emergency stop locking switches 9 through wires in a one-to-one correspondence manner, the lifting platform 11 is provided with a plurality of control valve groups 12, the plurality of drainage units are respectively connected with the plurality of control valve groups 12 through the pipelines in a one-to-one correspondence manner, the control platform 30 is provided with a plurality of water pump start-stop switches 32 and a plurality of lifting control switches 33 through the wires, the plurality of drainage units are also respectively connected with the plurality of water pump start-stop switches 32 in a one-to-one correspondence manner, the plurality of water pump start-stop switches 33 are also respectively connected with the plurality of control switches 33 through the pipelines, the emergency stop switches 33 are respectively, the water pump start-stop switches are also respectively connected with the emergency stop switches 31 through the control buttons are connected with the emergency stop switches 31 through the wires, and the water pump stop switches are respectively. As shown in fig. 5, the drainage unit comprises two hydraulic supports 1, two hydraulic support front beams 2 are arranged on the two hydraulic supports 1, hydraulic telescopic cylinders 4 are hinged on the four hydraulic support front beams 2, a water pump unit 6 is hinged on the hydraulic telescopic cylinders 4 through a connecting plate 5, the water pump unit 6 comprises two submersible electric pumps 7, the two submersible electric pumps 7 are respectively connected with the two hydraulic telescopic cylinders 4 through the connecting plate 5, the water pump unit further comprises a heavy-duty submersible slurry pump 8 and a filter screen cleaning device 25, the heavy-duty submersible slurry pump 8 and the filter screen cleaning device 25 are respectively connected with the other two hydraulic telescopic cylinders 4 through the connecting plate 5, and the filter screen cleaning device 25 is arranged between the heavy-duty submersible slurry pump 8 and the two submersible electric pumps 7. As shown in fig. 6, the submersible electric pump 7 is provided with a first hanging ring 13, the first hanging ring 13 is connected with the connecting plate 5 through a hinge shaft, the submersible electric pump 7 is also provided with a first water outlet 14, and the first water outlet 14 is connected to a mine main drainage system through a pipeline. As shown in fig. 7, the heavy-duty submersible slurry pump 8 is provided with a second hanging ring 15, the second hanging ring 15 is connected with the other connecting plate 5 through a hinge shaft, the heavy-duty submersible slurry pump 8 is also provided with a second water outlet 16, and the second water outlet 16 is connected with a cable trough arranged above the scraper conveyor through a pipeline. As shown in fig. 8, the hydraulic telescopic cylinder 4 comprises a telescopic cylinder body and a piston rod 18, a third lifting ring 17 is arranged on the telescopic cylinder body, the third lifting ring 17 is connected with the hydraulic support front beam 2 through a hinge shaft, a fourth lifting ring 19 is arranged at one end, away from the third lifting ring 17, of the piston rod 18, the fourth lifting ring 19 is connected with the connecting plate 5 through the hinge shaft, as shown in fig. 9, a first through hole 20 is formed in one end of the connecting plate 5, the fourth lifting ring 19 is connected with the connecting plate 5 through the hinge shaft in the first through hole 20, a second through hole 21 is formed in the other end of the connecting plate 5, and the water pump unit 6 is connected with the connecting plate 5 through the hinge shaft in the second through hole 21. As shown in fig. 10, the filter screen cleaning device 25 includes a filter device 23, the filter device 23 is horizontally disposed, two end walls of the filter device 23 are fixedly connected with fixing devices 27, the fixing devices 27 are in an "X" structure, the filter screen cleaning device further includes a first filter screen layer 24 and a second filter screen layer 26, the filter device 23 is fixedly connected between the first filter screen layer 24 and the second filter screen layer 26 through the fixing devices 27, the filter screen cleaning device further includes four traction ropes 22, one ends of the four traction ropes 22 are fixedly connected in second through holes 21 of another connecting plate 5, the other ends of the two traction ropes 22 are connected to two sides of the top of the first filter screen layer 24, the other ends of the other two traction ropes 22 are connected to two sides of the top of the second filter screen layer 26, the porosity of the first filter screen layer 24 is greater than that of the second filter screen layer 26, the first filter screen layer 24 is close to the heavy-duty submersible pump 8, and the second filter screen layer 26 is close to the submersible pump 7. As shown in FIG. 11, a high-pressure water inlet 28 is arranged on the filter device 23, a plurality of high-pressure nozzle units are uniformly arranged on the side surface of the outer wall of the filter device 23 along the circumferential direction, each of the plurality of high-pressure nozzle units comprises a plurality of high-pressure nozzles 29, and a mining intrinsic safety type radar water level sensor 3 and a cradle head camera 34 are arranged on the hydraulic support 1.

Claims (10)

1. Working face drainage device based on water pump centralized control, its characterized in that includes a plurality of drainage unit, a plurality of drainage unit sets up side by side, and a plurality of drainage unit has to start and stop platform (10) through the wire connection, and a plurality of drainage unit has lift platform (11) through the pipe connection, still includes control platform (30), a plurality of drainage unit pass through the wire with control platform (30) are connected, a plurality of drainage unit still pass through the pipeline with control platform (30) are connected.

2. The working face drainage device based on centralized control of water pumps according to claim 1 is characterized in that a plurality of emergency stop locking switches (9) are arranged on the start-stop platform (10), a plurality of drainage units are respectively connected with the plurality of emergency stop locking switches (9) in a one-to-one correspondence manner through wires, a plurality of control valve groups (12) are arranged on the lifting platform (11), a plurality of drainage units are respectively connected with the plurality of control valve groups (12) in a one-to-one correspondence manner through pipes, a plurality of water pump start-stop switches (32) and a plurality of lifting control switches (33) are arranged on the control platform (30), a plurality of drainage units are respectively connected with the plurality of water pump start-stop switches (32) in a one-to-one correspondence manner through wires, a plurality of drainage units are respectively connected with the plurality of lifting control switches (33) in a one-to-one correspondence manner through pipes, an emergency stop button (31) is further arranged on the control platform (30), and the plurality of water pump start-stop switches (32) and the plurality of lifting control switches (33) are respectively connected with the emergency stop switches (31) through wires.

3. The working surface drainage device based on centralized control of water pumps according to claim 2, wherein the drainage unit comprises two hydraulic supports (1), two hydraulic support front beams (2) are arranged on the two hydraulic supports (1), hydraulic telescopic cylinders (4) are hinged to the four hydraulic support front beams (2), and the hydraulic telescopic cylinders (4) are hinged to a water pump unit (6) through connecting plates (5).

4. A working surface drainage device based on centralized control of a water pump according to claim 3, characterized in that the water pump unit (6) comprises two submersible electric pumps (7), two submersible electric pumps (7) are respectively connected with two hydraulic telescopic cylinders (4) through connecting plates (5), the device further comprises a heavy-duty submersible slurry pump (8) and a filter screen cleaning device (25), the heavy-duty submersible slurry pump (8) and the filter screen cleaning device (25) are respectively connected with the other two hydraulic telescopic cylinders (4) through the connecting plates (5), and the filter screen cleaning device (25) is arranged between the heavy-duty submersible slurry pump (8) and the two submersible electric pumps (7).

5. The working surface drainage device based on centralized control of water pumps according to claim 4, wherein a first hanging ring (13) is arranged on the submersible electric pump (7), the first hanging ring (13) is connected with the connecting plate (5) through a hinge shaft, a first drainage outlet (14) is further arranged on the submersible electric pump (7), and the first drainage outlet (14) is connected to a mine main drainage system through a pipeline.

6. The working face drainage device based on centralized control of water pumps according to claim 5, wherein a second hanging ring (15) is arranged on the heavy-load submersible slurry pump (8), the second hanging ring (15) is connected with the other connecting plate (5) through a hinge shaft, a second drainage outlet (16) is further arranged on the heavy-load submersible slurry pump (8), and the second drainage outlet (16) is connected with a cable duct arranged above a scraper conveyor through a pipeline.

7. The working surface drainage device based on centralized control of a water pump according to claim 6, wherein the hydraulic telescopic cylinder (4) comprises a telescopic cylinder body and a piston rod (18), a third lifting ring (17) is arranged on the telescopic cylinder body, the third lifting ring (17) is connected with a front beam (2) of the hydraulic support through a hinge shaft, one end, away from the third lifting ring (17), of the piston rod (18) is provided with a fourth lifting ring (19), the fourth lifting ring (19) is connected with the connecting plate (5) through the hinge shaft, one end of the connecting plate (5) is provided with a first through hole (20), the fourth lifting ring (19) is connected with the connecting plate (5) through the hinge shaft in the first through hole (20), the other end of the connecting plate (5) is provided with a second through hole (21), and the water pump unit (6) is connected with the connecting plate (5) through the hinge shaft in the second through hole (21).

8. The water pump centralized control-based working surface drainage device according to claim 7, wherein the filter screen cleaning device (25) comprises a filter device (23), the filter device (23) is horizontally arranged, fixing devices (27) are fixedly connected to the outer walls of two ends of the filter device (23), the fixing devices (27) are of an 'X' -shaped structure, the water pump centralized control-based working surface drainage device further comprises a first filter screen layer (24) and a second filter screen layer (26), the filter device (23) is fixedly connected between the first filter screen layer (24) and the second filter screen layer (26) through the fixing devices (27), the water pump centralized control-based working surface drainage device further comprises four traction ropes (22), one ends of the traction ropes (22) are fixedly connected into a second through hole (21) of another connecting plate (5), the other ends of the traction ropes (22) are connected to two sides of the top of the first filter screen layer (24), the other ends of the traction ropes (22) are connected to two sides of the top of the second filter screen layer (26), the first filter screen layer (24) is fixedly connected to the second filter screen layer (26), one end of the four ends of the traction ropes (22) are fixedly connected to the second through holes (21) of the other connecting plate (5), and the four ends of the traction ropes (22) are fixedly connected to the second through holes (21).

9. The working surface drainage device based on centralized control of water pumps according to claim 8, wherein the filtering device (23) is provided with a high-pressure water inlet (28), a plurality of high-pressure nozzle units are uniformly arranged on the side surface of the outer wall of the filtering device (23) along the circumferential direction, and each of the plurality of high-pressure nozzle units comprises a plurality of high-pressure nozzles (29).

10. The working face drainage device based on centralized control of water pumps according to claim 9, wherein the hydraulic support (1) is provided with a mine intrinsic safety type radar water level sensor (3) and a cradle head camera (34).