Detection device suitable for underground water heavy metal based on water quality detectionTechnical Field
The invention relates to the technical field of water quality detection, in particular to a detection device applicable to underground water heavy metals based on water quality detection.
Background
Groundwater refers to water existing in a rock space below the ground, in the narrow sense, refers to water in a saturated aquifer below the groundwater level, and groundwater usually exists in both flowing and standing modes, and is required to be extracted by a drilling device in combination with a water pipe, and is detected after sampling.
However, the detection device used at present is mainly of a single-hole spliced extraction structure, is unfavorable for descending and moving in the process of drilling, realizes through hole control, ensures normal butt joint and drilling in the lifting process, lacks a circulation function of selectively extracting according to use requirements, and is difficult to ensure the balance of underground pressure in the process of extracting underground water.
Disclosure of Invention
In view of the above, the present invention provides a detection device for heavy metals in groundwater based on water quality detection, which has an inner drum and a protective sleeve, provides a rotary communication function, and can maintain the transportation of groundwater during rotation, thereby realizing communication during transportation.
The invention provides a detection device suitable for underground heavy metals based on water quality detection, which comprises a base, wherein four groups of telescopic rods are fixedly arranged at the top of the base, a U-shaped frame is integrally arranged in the middle of the top of the base, a lifting seat is fixedly arranged at the top of the four groups of telescopic rods, a main rotary drum is rotatably arranged at the front side of the lifting seat in a matched manner with bearings at the outer side of the top of the main rotary drum, two groups of connecting pipes are fixedly arranged at the top of the main rotary drum, the top openings of the connecting pipes are different in height and are respectively connected with an inner rotary drum, a protective sleeve is rotatably arranged at the outer part of the two groups of inner rotary drums in a matched manner, two groups of annular grooves are formed in the inner side of the protective sleeve, the annular grooves are used for sealing and wrapping the inner rotary drum, the connecting pipes are communicated with the annular grooves in the inner rotary drum, a centrifuge is fixedly arranged at the top of the lifting seat in a matched manner, a worm is matched with the top of the lifting seat, the worm is rotatably arranged at the top of the lifting seat in a matched manner, a containing drum is rotatably arranged at the top of the lifting seat, the rear side of the containing drum is matched with the top of the lifting seat, the containing drum is rotatably arranged at the rear side of the top of the base, and the two ends of the containing drum are of an eccentric structure.
The lifting seat comprises a lifting screw rod, a sliding seat, a front transmission shaft, a rear transmission shaft, a bevel gear transmission connection, a digging motor and a digging motor, wherein the lifting screw rod is rotatably arranged in the middle of the bottom of the lifting seat and is in threaded connection with a U-shaped frame, the bottom end of the lifting screw rod is rotatably arranged in the sliding seat, the sliding seat is slidably arranged in the U-shaped frame, the front transmission shaft is rotatably arranged on the front side of the bottom of the lifting seat, the rear transmission shaft is rotatably arranged on the rear side of the bottom of the lifting seat, the lifting screw rod, the front transmission shaft and the rear transmission shaft are in bevel gear transmission connection, the digging motor is fixedly arranged at the rear end of the bottom of the lifting seat and is in transmission connection with the rear transmission shaft, and the lifting screw rod, the front transmission shaft and the rear transmission shaft are synchronously and rotatably connected when the digging motor rotates.
Optionally, the main rotary drum further comprises a connecting rod, wherein the outer side of the top of the connecting rod is of a hexagonal structure, two groups of fan-shaped through holes are formed in the connecting rod, fan-shaped pipes are fixedly arranged in the fan-shaped through holes, the top ends of the fan-shaped pipes are aligned with the bottom ends of the hexagonal structure, the upper end and the lower end of the connecting rod can be anastomosed and spliced, the two groups of connecting rods can be fixedly connected through screws, and the bottom ends of the connecting rod are identical to the bottom end of the main rotary drum in structure.
Optionally, the main rotary drum further comprises a spiral drill rod, a lower edge and an upper edge are integrally arranged outside the upper portion of the spiral drill rod from bottom to top, air holes are formed in the middle upper section of the portion, located between the lower edge and the upper edge, of the outer portion of the spiral drill rod, filter cotton is arranged in the air holes, the top end of the spiral drill rod is identical to the top end of the connecting rod in structure, a sealing sleeve is arranged on the portion, located between the lower edge and the upper edge, of the outer portion of the spiral drill rod in a sliding mode, and the height of the sealing sleeve is larger than that of the air holes.
Optionally, the main rotary drum further comprises an inner ratchet gear, wherein the inner ratchet gear is fixedly arranged above the outer part of the main rotary drum, and a bevel gear is arranged at the front end of the front transmission shaft and meshed with the inner ratchet gear.
The protective sleeve comprises an output pipe, an input pipe, a rotating sleeve and a through hole, wherein the output pipe is arranged above the rear side of the protective sleeve in a connecting mode, the input pipe is arranged below the rear side of the protective sleeve in a connecting mode, the output pipe is connected with the top of the centrifugal machine, the rear side of the input pipe is upwards turned and connected with the rotating sleeve, the rear end of the accommodating cylinder is arranged in the rotating sleeve in a rotating mode in a matching mode with two groups of airtight bearings, and the outer side of the accommodating cylinder is provided with the through hole at a position located in the rotating sleeve.
Optionally, the centrifugal machine comprises a centrifugal motor, a ball valve A and an alignment sleeve, wherein the centrifugal motor is arranged in the middle of the front end of the centrifugal machine, the ball valve A is arranged in the middle of the rear end of the centrifugal machine, and the alignment sleeve is arranged in the rear end of the ball valve A.
The three-way valve comprises a worm wheel, a tee joint, two groups of ball valves B, a straight pipe, a sampling bottle and a sampling bottle, wherein the worm wheel is fixedly arranged outside the front end of the accommodating cylinder, the worm wheel is in transmission connection with the worm, the tee joint is arranged at the rear end of the accommodating cylinder in a penetrating mode through a rotating sleeve, two groups of ball valves B are connected at two ends of the tee joint, the straight pipe is upwards bent outside one group of ball valves B, and the sampling bottle is fixedly arranged above the other group of ball valves B in a matched threaded connection mode.
Advantageous effects
According to the main rotary drum of each embodiment of the invention, a digging function of descending movement in the process of drilling is provided, the digging motor drives the lifting screw rod, the front transmission shaft and the rear transmission shaft to rotate through the bevel gear, the lifting screw rod is matched with the U-shaped frame to generate threaded transmission, the lifting seat is driven to descend, the electric main rotary drum descends, the connecting rod drives the spiral drill rod to rotate, and meanwhile, the spiral drill rod descends, so that detection is realized, the connecting rod can be continuously spliced, can move downwards, and the detection effect is provided by groundwater with different depths.
In addition, hold the setting of section of thick bamboo, provide the circulation function that needs selectivity to draw, provide transport function through centrifugal force, output tube provides output function, will hold the interior air of section of thick bamboo and take out, pass and carry downwards in protective sheath entering fan-shaped pipe and the connecting rod, discharge from the outside of gas pocket, simultaneously the input tube provides and draws out the groundwater, in the final entering holds section of thick bamboo of groundwater, this in-process can keep underground pressure balance to can automatic cycle after holding the section of thick bamboo and filling up, can not cause the influence.
In addition, the arrangement of the ball valve A and the ball valve B provides multiple control functions, when sampling is needed, the worm is rotated to drive the worm wheel to rotate for half a circle, the accommodating cylinder is turned over, the ball valve A is closed, the ball valve B connected with the sampling bottle is opened, groundwater in the accommodating cylinder enters the sampling bottle, the ball valve B is closed, the sampling bottle can be taken out for testing, the steps are operated reversely, and the ball valve A is opened to automatically backfill the groundwater.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 shows a schematic perspective view of an embodiment according to the present invention;
FIG. 2 shows a schematic diagram of an axial side structure according to an embodiment of the present invention;
FIG. 3 shows a schematic diagram of a pitch-back structure according to an embodiment of the invention;
FIG. 4 shows a schematic side view of an embodiment of the invention;
fig. 5 shows a schematic view of a drainage state structure according to an embodiment of the present invention;
FIG. 6 shows a partially disassembled schematic illustration of an embodiment in accordance with the invention;
FIG. 7 shows an A partial enlarged schematic of an architecture according to an embodiment of the invention;
fig. 8 shows a B partial enlarged structural schematic according to an embodiment of the present invention.
List of reference numerals
1. The device comprises a base, 101, a telescopic rod, 102, a U-shaped frame, 2, a lifting seat, 201, a lifting screw rod, 202, a sliding seat, 203, a front transmission shaft, 204, a rear transmission shaft, 205, a digging motor, 3, a main rotary drum, 301, a connecting rod, 302, a fan-shaped through hole, 303, a fan-shaped pipe, 304, a spiral drill rod, 305, a lower edge, 306, an upper edge, 307, an air hole, 308, a sealing sleeve, 309, a connecting pipe, 310, an inner rotary drum, 311, an inner ratchet gear, 4, a protective sleeve, 401, an output pipe, 402, an input pipe, 403, a rotary sleeve, 5, a centrifugal machine, 501, a centrifugal motor, 502, a ball valve A, 503, an alignment sleeve, 6, a worm, 7, a containing cylinder, 701, a worm wheel, 702, a tee joint, 703, a ball valve B, 704 and a sampling bottle.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.
Please refer to fig. 1 to 8:
The invention provides a detection device suitable for underground heavy metals based on water quality detection, which comprises a base 1, wherein four groups of telescopic rods 101 are fixedly arranged at the top of the base 1, a U-shaped frame 102 is integrally arranged in the middle of the top of the base 1, a lifting seat 2 is fixedly arranged at the top of the four groups of telescopic rods 101, a main rotary drum 3 is rotatably arranged at the front side of the lifting seat 2 in a matched bearing mode, two groups of connecting pipes 309 are fixedly arranged at the top of the main rotary drum 3, the top openings of the connecting pipes 309 are different in height, inner rotary drums 310 are respectively connected, a protection sleeve 4 is rotatably arranged at the outer parts of the two groups of inner rotary drums 310 in a matched mode through the three groups of bearings, two groups of annular grooves are formed in the inner side of the protection sleeve 4, the annular grooves are used for sealing and wrapping the inner rotary drums 310, the connecting pipes 309 are communicated with the annular grooves in the inner rotary drums 310, a centrifugal machine 5 is fixedly arranged at the top of the lifting seat 2 in a matched mode, a worm 6 is rotatably arranged at the top of the lifting seat 2 in a matched mode, a matched bearing of the rear side of the main rotary drum 7 is rotatably arranged at the front side of the lifting seat 2, two ends of the main rotary drum 7 are rotatably arranged at the rear side of the main rotary drum 3 in a matched bearing mode, and two ends of the main rotary drum 7 are of eccentric structures.
In addition, according to the embodiment of the invention, referring to fig. 3, the lifting seat 2 comprises a lifting screw 201, a lifting screw 201 is rotatably arranged in the middle of the bottom of the lifting seat 2, the lifting screw 201 is in threaded connection with the U-shaped frame 102, a sliding seat 202 is rotatably arranged in the sliding seat 202, the sliding seat 202 is slidably arranged in the U-shaped frame 102, a front transmission shaft 203 is rotatably arranged at the front side of the bottom of the lifting seat 2, a rear transmission shaft 204 is rotatably arranged at the rear side of the bottom of the lifting seat 2, the lifting screw 201, the front transmission shaft 203 and the rear transmission shaft 204 are in bevel gear transmission connection, a digging motor 205 is fixedly arranged at the rear end of the bottom of the lifting seat 2, the digging motor 205 is in transmission connection with the rear transmission shaft 204, and the lifting screw 201, the front transmission shaft 203 and the rear transmission shaft 204 are synchronously rotatably connected when the digging motor 205 rotates.
In addition, according to the embodiment of the invention, referring to fig. 6, the main drum 3 further comprises a connecting rod 301, the outer side of the top of the connecting rod 301 is of a hexagonal structure, two groups of fan-shaped through holes 302 are formed in the connecting rod 301, fan-shaped pipes 303 are fixedly arranged in the fan-shaped through holes 302, the top ends of the fan-shaped pipes 303 are aligned with the bottom ends of the hexagonal structure, the upper end and the lower end of the connecting rod 301 can be in fit connection, the two groups of connecting rods 301 can be fixedly connected through screws, and the bottom ends of the connecting rod 301 are identical to the bottom end of the main drum 3 in structure, so that the upper and lower connection can be realized.
In addition, according to the embodiment of the invention, referring to fig. 6, the main drum 3 further comprises a spiral drill rod 304, wherein a lower edge 305 and an upper edge 306 are integrally arranged on the upper outer part of the spiral drill rod 304 from bottom to top, an air hole 307 is formed in the upper section of the part, located between the lower edge 305 and the upper edge 306, of the outer part of the spiral drill rod 304, filter cotton is arranged in the air hole 307, the top end of the spiral drill rod 304 is identical to the top end of the connecting rod 301 in structure, a sealing sleeve 308 is slidably arranged on the part, located between the lower edge 305 and the upper edge 306, of the outer part of the spiral drill rod 304, of the sealing sleeve 308 is larger than the air hole 307, the bottom edge of the sealing sleeve 308 is of a flange structure, and can be automatically lifted up due to ground resistance when the spiral drill rod 304 is inserted into groundwater, and the sealing sleeve 308 naturally descends to expose the air hole 307.
In addition, according to the embodiment of the present invention, referring to fig. 7, the main drum 3 further includes an inner ratchet gear 311 fixedly provided above the outside of the main drum 3, and a bevel gear provided at the front end of the front transmission shaft 203 is engaged with the inner ratchet gear 311 to provide a unidirectional transmission effect.
In addition, according to the embodiment of the invention, referring to fig. 6, the protective sleeve 4 comprises an output pipe 401, an input pipe 402, a rotating sleeve 403, and a through hole, wherein the output pipe 401 is connected and arranged above the rear side of the protective sleeve 4, the input pipe 402 is connected and arranged below the rear side of the protective sleeve 4, the output pipe 401 is connected with the top of the centrifugal machine 5, the rotating sleeve 403 is arranged at the rear side of the input pipe 402 in a turning way upwards and connected with the rotating sleeve 403, the rear end of the accommodating cylinder 7 is arranged in the rotating sleeve 403 in a rotating way by matching with two groups of airtight bearings, and the position, located in the rotating sleeve 403, of the outer side of the accommodating cylinder 7 is provided with the through hole.
In addition, according to the embodiment of the invention, referring to fig. 4 and 8, the centrifugal machine 5 comprises a centrifugal motor 501, wherein the centrifugal motor 501 is arranged in the middle of the front end of the centrifugal machine 5, a ball valve A502 is arranged in the middle of the rear end of the centrifugal machine 5, and an alignment sleeve 503 is arranged in the rear end of the ball valve A502.
In addition, according to the embodiment of the invention, referring to fig. 4-5, the accommodating cylinder 7 comprises a worm wheel 701, wherein the worm wheel 701 is fixedly arranged outside the front end of the accommodating cylinder 7, the worm wheel 701 is in transmission connection with the worm 6, a tee joint 702 is arranged at the rear end of the accommodating cylinder 7 in a connecting way through a rotating sleeve 403, two groups of ball valves B703 are arranged at the two ends of the tee joint 702 in a connecting way, a straight pipe is arranged at the outer part of one group of ball valves B703 in an upward turning way, a sampling bottle 704 is fixedly arranged above the other group of ball valves B703 in a matching threaded connection way, the sampling bottle 704 can be removed and replaced, sampling is carried out, when sampling is needed, the worm 6 is rotated to drive the worm wheel 701 to rotate for half a circle, the accommodating cylinder 7 is turned over, the ball valve A502 is closed, the ball valve B703 connected with the sampling bottle 704 is opened, groundwater in the accommodating cylinder 7 enters the sampling bottle 704, the ball valve B703 is closed, the sampling bottle is taken out for testing, and the groundwater can be backfilled automatically by opening the ball valve A502.
The concrete use mode and the function of in the invention are that when the invention is used, the base 1 is placed at the position of an opening, the digging motor 205 is started, the lifting screw 201, the front transmission shaft 203 and the rear transmission shaft 204 are driven by the bevel gear to rotate, the lifting screw 201 is matched with the U-shaped frame 102 to generate screw transmission, the lifting seat 2 is driven to descend, the electric main rotary drum 3 descends, meanwhile, the main rotary drum 3 drives the connecting rod 301 to rotate, the connecting rod 301 drives the spiral drill rod 304 to rotate and descend, after a group of connecting rods 301 descend, the lower end of the connecting rod 301 is unfastened, then the digging motor 205 is reversely driven, the spiral drill rod 304 is added to move downwards, the bottom edge of the sealing sleeve 308 is of a flange structure, in the process, the sealing sleeve 308 can be automatically lifted up due to the ground obstruction when the spiral drill rod 304 descends, and then the sealing sleeve 308 naturally descends after the spiral drill rod 304 is inserted into groundwater, and the air hole 307 is exposed;
Ball valve A502 remains open and ball valve B703 remains closed;
The centrifugal motor 501 is started to drive the centrifugal machine 5 to operate, the centrifugal force provides a conveying function, the output pipe 401 provides an output function, air in the accommodating cylinder 7 is pumped out, the air enters the fan-shaped pipe 303 and the connecting rod 301 through the protective sleeve 4 to be conveyed downwards, the air is discharged from the outside of the air hole 307, and meanwhile, the input pipe 402 provides a pumping function, groundwater is pumped out and finally enters the accommodating cylinder 7;
when sampling is needed, the worm 6 is rotated to drive the worm wheel 701 to rotate for half a circle, the accommodating cylinder 7 is turned over, the ball valve A502 is closed, the ball valve B703 connected with the sampling bottle 704 is opened, the groundwater in the accommodating cylinder 7 enters the sampling bottle 704, the ball valve B703 is closed, the sampling bottle 704 can be taken out for testing, the steps are operated reversely, and the ball valve A502 is opened to automatically backfill the groundwater.
Finally, it should be noted that the present invention is generally described in terms of a/a pair of components, such as the location of each component and the mating relationship therebetween, however, those skilled in the art will appreciate that such location, mating relationship, etc. are equally applicable to other components/other pairs of components.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.