CN-121978292-A - Monitoring device for water-substrate in water area of coal mining subsidence area

CN121978292ACN 121978292 ACN121978292 ACN 121978292ACN-121978292-A

Abstract

The application discloses a water-substrate monitoring device for a water area in a coal mining subsidence area, which comprises a lifting rod, a water quality monitoring piece and a bottom mud monitoring piece, wherein the water quality monitoring piece and the bottom mud monitoring piece are all lifted on the lifting rod, the water quality monitoring piece comprises an upper shell, a lifting driving piece and a plurality of water quality detection units, the upper shell is arranged on the lifting rod, the lifting driving piece is arranged on the upper shell, the water quality detection units are arranged on the surface of the upper shell and distributed at intervals along the height direction, the water quality detection units are provided with water quality reaction sensors, the bottom mud monitoring piece comprises a lower shell, a movable driving piece and a plurality of soil concentration detection units, the lower shell is arranged on the lifting rod, the movable driving piece is arranged on the lower shell, and the soil concentration detection units are arranged on the surface of the lower shell and distributed at intervals along the height direction.

Inventors

LI ZHICHUN
YU HAO
ZHANG HAIYANG
JIANG QUANLIANG
LI XIN
WANG MENG
JIANG WENWEN
YAO JIAO

Assignees

宿州学院

Dates

Publication Date: 20260505
Application Date: 20231008

Claims (10)

1. The monitoring device is characterized by comprising a lifting rod, a water quality monitoring piece and a bottom mud monitoring piece, wherein the water quality monitoring piece and the bottom mud monitoring piece are lifted and moved on the lifting rod; The water quality monitoring piece comprises an upper shell, a lifting driving piece and a plurality of water quality detection units, wherein the upper shell is arranged on a lifting rod, the lifting driving piece is arranged on the upper shell, the upper shell moves up and down on the lifting rod through the lifting driving piece, a plurality of water quality detection units are arranged on the surface of the upper shell and are distributed at intervals along the height direction, and the water quality detection units are provided with water quality reaction sensors; The bottom mud monitoring piece comprises a lower shell, a movable driving piece and a plurality of soil concentration detection units, wherein the lower shell is arranged on a lifting rod, the movable driving piece is arranged on the lower shell, the lower shell moves up and down on the lifting rod through the movable driving piece, and the soil concentration detection units are arranged on the surface of the lower shell and distributed at intervals along the height direction.
2. The monitoring device of claim 1, wherein the lifting rod is a screw rod, the lifting driving member comprises a first rotating member, a driving gear and a transmission gear, the first rotating member is arranged on the upper shell, the driving gear is fixedly connected to the rotating end of the first rotating member, the transmission gear is fixedly connected to the upper shell, the transmission gear is meshed with the driving gear, the transmission gear is provided with a screw hole, the screw hole is penetrated through the upper shell, and the lifting rod is matched with the screw hole.
3. The monitoring device according to claim 1, wherein the water quality detecting unit comprises a plurality of tanks and a plurality of telescopic members, the water quality reaction sensor is located in the tanks, the plurality of tanks are distributed on the surface of the upper shell along the circumferential direction at equal angles with respect to the screw, the tanks are provided with liquid inlet holes, the plurality of telescopic members are respectively corresponding to the plurality of tanks, the telescopic members are installed on the surface of the upper shell, and the telescopic ends of the telescopic members are opposite to the liquid inlet holes so as to open and close the liquid inlet holes.
4. The monitoring device according to claim 3, wherein the orifice of the liquid inlet is provided with a magnetic sealing ring, the telescopic piece comprises a guide tube, a telescopic spring and a sealing ball, one end of the guide tube is fixedly connected to the surface of the upper shell, the other end of the guide tube corresponds to the liquid inlet, the telescopic spring is inserted into the guide tube, one end of the telescopic spring is fixedly connected to the surface of the upper shell, the sealing ball is fixedly connected to the other end of the telescopic spring, two ends of the telescopic spring are respectively electrically connected with the positive electrode and the negative electrode of the circuit board, and when the telescopic spring is reset and stretches out, the sealing ball is adsorbed on the magnetic sealing ring and seals the liquid inlet.
5. The monitoring device of claim 1, wherein the lower end surface of the lower housing is fixedly connected with a cone block, the lifting rod adopts a screw rod, the movable driving member comprises a rotating member, a driving gear and a driven gear, the rotating member is arranged on the lower housing, the driving gear is fixedly connected with the rotating end of the rotating member, the driven gear is fixedly connected on the lower housing, the driven gear is meshed with the driving gear, the driven gear is provided with a threaded hole, the threaded hole penetrates through the lower housing, and the lifting rod is in threaded fit with the threaded hole.
6. The monitoring device according to claim 1, wherein the soil concentration detecting unit comprises a plurality of detecting modules which are distributed at equal angles in the circumferential direction with respect to the lifting rod, the detecting modules comprise a sealing cavity, an extending member and an extrusion member, the sealing cavity is arranged on the surface of the lower shell, an opening for discharging sludge is arranged on the bottom surface of the sealing cavity, the extending member is arranged on the lower shell, an extending plate is arranged at the extending end of the extending member, a filtering hole is arranged on the extending plate, the extrusion member is arranged on the sealing cavity, an extruding plate is arranged at the extruding end of the extrusion member, the extruding plate is positioned in the sealing cavity, the extending plate covers and seals the opening when the extending member extends, and the extruding plate extrudes the sludge in the sealing cavity towards the extending plate through the extrusion effect of the extrusion member.
7. The monitoring device according to claim 6, wherein the soil concentration detecting unit further comprises a synchronous contraction member, the synchronous contraction member is a plurality of extension members, a plurality of slots are formed in the surface of the lower shell, the plurality of slots correspond to the plurality of detecting modules, the slots are used for being in plug-in fit with the extension plates, an annular groove is formed in the inner portion of the lower shell, the annular groove is communicated with the plurality of slots, a jack is formed in the surface of the lower shell, the jack is communicated with the annular groove, the plurality of slots, the annular groove and the jack form a compression cavity, liquid is filled in the compression cavity, the synchronous contraction member comprises a pushing member, a pushing rod and a compression ring, the pushing member is mounted on the lower shell, the pushing rod is mounted at the extending end of the pushing member, the pushing rod is in plug-in fit with the jack, the compression ring is fixedly connected with one end of the pushing rod away from the pushing member, the compression ring is in the annular groove in plug-in a plug-in fit manner, and the pushing member stretches the pushing rod, and the liquid in the compression cavity is extruded by the compression ring so as to control the extension plates to push out or extend into the slots.
8. The monitoring device according to claim 7, wherein the soil concentration detection unit further comprises an intermittent pushing part, the intermittent pushing part is a plurality of pushing parts, the intermittent pushing part comprises a second rotating part, a direct-drive gear, an inner gear ring, a compression spring and a pressing block, the second rotating part is arranged on the lower shell, the direct-drive gear is fixedly connected to the rotating end of the second rotating part, an outer annular groove is formed in the outer peripheral surface of the lower shell, the inner gear ring is rotatably arranged in the outer annular groove, the direct-drive gear is meshed with the inner gear surface of the inner gear ring, the inner gear ring is arranged on the top surfaces of the sealing cavities, a straight rod is fixedly connected to the top surfaces of the pressing plates, when soil is filled in the sealing cavities, the bottom surfaces of the inner gear ring are abutted against the top ends of the straight rod, a sinking groove is formed in the bottom surfaces of the inner gear ring, one end of the compression spring is fixedly connected to the inner bottom surface of the sinking groove, the pressing block is fixedly connected to the other end of the compression spring, the bottom surface of the inner gear ring is in an arc shape, the bottom surface of the ring is in an arc shape, when the compression spring is in a natural state, the bottom surface of the inner gear ring is rotatably connected to the inner gear ring, the bottom surface of the pressing spring is in an arc shape, and the top surface of the pressing plate is abutted against the inner gear ring, and the inner gear ring is rotatably driven by the pressing plate, and the inner gear is rotatably driven by the pressing part.
9. The monitoring device of claim 8, wherein the lower housing is provided with a clearance groove between adjacent soil concentration detecting units, the clearance groove providing a setting space for the synchronous contracting member of the soil concentration detecting unit below and the intermittent pushing member.
10. The monitoring device according to any one of claims 1 to 9, further comprising an inflatable boat, a fixing disc, a plurality of pull ropes and a balancing weight, wherein the middle part of the inflatable boat is provided with a through hole, the fixing disc is fixed on the top surface of the inflatable boat, the top ends of the lifting rods are fixedly connected with the fixing disc through the through holes, the pull ropes are uniformly distributed on the bottom surface of the inflatable boat, one ends of the pull ropes are fixedly connected on the bottom surface of the inflatable boat, and the balancing weight is fixedly connected on the other ends of the pull ropes.

Description

Monitoring device for water-substrate in water area of coal mining subsidence area Technical Field The application belongs to the technical field of monitoring of ecological environment water areas and bottom mud, and particularly relates to a monitoring device for water-bottom materials in a water area of a coal mining subsidence area. Background The water area of the coal mining subsidence area is a special land still water ecological system formed by subsidence of the earth surface and seepage of groundwater higher than the earth surface due to coal mining. The water area ecological system of the coal mining subsidence area is characterized in that the water area supply source of the water area of the subsidence area ① is complex and can be derived from surface runoff, underground water, resident domestic sewage, mine wastewater and the like, and the water area of the coal mining subsidence area ② and the components of the substrate thereof are complex, so that uneven hardness distribution of the substrate can be caused. As the substrate of the subsidence area subsides, the physicochemical environment near the water and substrate interface of the subsidence area water area is also in complex dynamic changes, which may affect the pollutant migration and change process, water quality, and surface environment of the water area ecosystem. Therefore, the prior art generally adopts a manual mode to sample interfaces of water areas and substrates in different depths, and then detects chemical properties such as acidity and alkalinity of the water areas, oxidation-reduction environment and the like so as to detect the water quality condition of the water areas. Meanwhile, the soil at the substrate interfaces with different depths can be sampled manually, and then the concentration and chemical properties of the sampled soil are detected to judge the loosening condition of the soil of the substrate and other substrate conditions. The water and soil at the substrate interface of the water area in the subsidence area are mined manually, so that the pollution condition of the water area is judged, and meanwhile, the soil looseness degree of the substrate interface is conveniently judged. However, the manual monitoring mode is adopted, and the problem of difficult sampling is usually caused by the interface between water area water and substrate in the coal mining sedimentation area, and meanwhile, the monitoring mode is often provided with hysteresis and detection. In addition, the function of monitoring the chemical properties of water in a water area of a subsidence area and a substrate interface and the concentration of bottom mud according to the depth gradient does not exist in the prior art. Disclosure of Invention In order to overcome the defects of the prior art, the application aims to provide the water-substrate monitoring device for the water area of the coal mining subsidence area, which can monitor the chemical property and the substrate concentration of the water area water and the substrate interface of the coal mining subsidence area in real time so as to obtain relevant monitoring data in time, save labor cost and improve working efficiency. The aim of the application is achieved by the following technical scheme: the monitoring device comprises a lifting rod, a water quality monitoring piece and a sediment monitoring piece which are all lifted and moved on the lifting rod; The water quality monitoring piece comprises an upper shell, a lifting driving piece and a plurality of water quality detection units, wherein the upper shell is arranged on a lifting rod, the lifting driving piece is arranged on the upper shell, the upper shell moves up and down on the lifting rod through the lifting driving piece, a plurality of water quality detection units are arranged on the surface of the upper shell and are distributed at intervals along the height direction, and the water quality detection units are provided with water quality reaction sensors; The bottom mud monitoring piece comprises a lower shell, a movable driving piece and a plurality of soil concentration detection units, wherein the lower shell is arranged on a lifting rod, the movable driving piece is arranged on the lower shell, the lower shell moves up and down on the lifting rod through the movable driving piece, and the soil concentration detection units are arranged on the surface of the lower shell and distributed at intervals along the height direction. Further, the lifting rod adopts the screw rod, the lifting driving piece includes first rotation piece, drive gear and drive gear, and first rotation piece is installed on last casing, and drive gear rigid coupling is at the rotation end of first rotation piece, and drive gear rigid coupling is on last casing, and drive gear meshes with drive gear, and drive gear has seted up the screw, and the screw link up last casing, lifter and screw thread adaptation. Further, the water quality detectio