CN117168900A - Groundwater sampling device for environmental monitoring - Google Patents

Groundwater sampling device for environmental monitoring Download PDF

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Publication number
CN117168900A
CN117168900A CN202311377431.5A CN202311377431A CN117168900A CN 117168900 A CN117168900 A CN 117168900A CN 202311377431 A CN202311377431 A CN 202311377431A CN 117168900 A CN117168900 A CN 117168900A
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CN
China
Prior art keywords
sealing disc
main
main shaft
main shell
upper sealing
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Pending
Application number
CN202311377431.5A
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Chinese (zh)
Inventor
于坤
曹玉龙
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Tangshan Ecological Environment Monitoring Center In Hebei Province
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Tangshan Ecological Environment Monitoring Center In Hebei Province
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Application filed by Tangshan Ecological Environment Monitoring Center In Hebei Province filed Critical Tangshan Ecological Environment Monitoring Center In Hebei Province
Priority to CN202311377431.5A priority Critical patent/CN117168900A/en
Publication of CN117168900A publication Critical patent/CN117168900A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

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  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses groundwater sampling equipment for environmental monitoring, which belongs to the technical field of sampling equipment and comprises a main shell, a main shaft, a winding wheel and sampling cylinders, wherein the bottom of the main shell is connected with a counterweight head, the main shaft is rotationally assembled in the main shell, an upper sealing disc and a lower sealing disc are respectively rotationally sleeved at the upper end and the lower end of the main shell, the upper sealing disc is connected with the main shaft in a linkage manner, a plurality of sampling cylinders are arranged between the upper sealing disc and the lower sealing disc, the winding wheel is arranged in the main shell and is connected with the main shaft in a sliding limit manner, a cable is wound on the winding wheel, and the tail end of the cable is fixed on a floating body.

Description

Groundwater sampling device for environmental monitoring
Technical Field
The invention belongs to the technical field of sampling equipment, and particularly relates to groundwater sampling equipment for environmental monitoring.
Background
The monitoring of the groundwater environment refers to grasping the change trend of the groundwater environment quality condition and the dynamic change condition of the water quality near the monitoring point by collecting and analyzing a representative groundwater sample.
The proper monitoring well drilling control equipment is selected according to hydrogeological conditions, the well pipe material of the monitoring well has certain strength, corrosion resistance and no pollution to underground water, after the monitoring well is built, the monitoring well is washed after 8 hours of stabilization, the monitoring well is built after the washing is required, after the monitoring well is stabilized for at least 24 hours, the underground water sample collection is started, and the underground water sample collection is completed within 2 hours.
When using current collector, when needs are sampled the water of in-well different degree of depth, generally need artifical manual release collector to different positions to need repeated multiple collection action just can accomplish, not only make collection inefficiency, repeatedly retrieve the collector moreover and still can make the water take place to mix the layer, influence the sample precision of collection.
Disclosure of Invention
Aiming at the defects existing in the prior art, the embodiment of the invention aims to provide groundwater sampling equipment for environment monitoring so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the underground water sampling equipment for environment monitoring comprises a shell member, wherein the shell member comprises a main shell, an annular groove and a counterweight head, the annular groove is formed in the top of the main shell, and the counterweight head is fixedly connected to the bottom of the main shell;
the transmission assembly comprises a main shaft, a driving gear, an upper sealing disc and a through hole, wherein the main shaft is rotationally assembled in a main shell, the upper sealing disc and the lower sealing disc are respectively rotationally sleeved on the annular groove and the main shell, the upper sealing disc is connected with the main shaft in a linkage way, the upper sealing disc and the lower sealing disc are arranged at intervals, and the upper sealing disc and the lower sealing disc are also provided with the through hole;
the driving component comprises a winding wheel, a cable and a cable bracket, wherein the winding wheel is arranged inside the main shell and is in sliding limiting connection with the main shaft, the cable is wound on the winding wheel, the cable bracket is fixedly arranged inside the main shell, and the tail end of the cable passes through the cable bracket and is arranged outside the main shell;
the sampling assembly comprises a plurality of sampling cylinders, the sampling cylinders are circumferentially arranged at the outer diameter end of the main shell and fixedly connected with the main shell, the sampling cylinders are uniformly distributed between the upper sealing disc and the lower sealing disc, the top and the bottom of each sampling cylinder are respectively provided with a flow guide nozzle, and the upper sealing disc, the lower sealing disc and the flow guide nozzles slide.
As a further scheme of the invention, the shell member further comprises a bracket and a guide hole, wherein the bracket is fixedly arranged on one side of the inner wall of the main shell and sleeved on the main shaft, and the guide hole is arranged at the top of the main shell and arranged in the annular groove and is used for limiting the sliding track of the external tooth groove.
As a further scheme of the invention, the shell member further comprises a transmission gear, the transmission assembly further comprises a driving gear and an inner gear ring, the transmission gear is rotationally assembled in the annular groove, the driving gear is fixedly assembled at the top of the main shaft, the inner gear ring is arranged at the inner diameter end of the upper sealing disc, one end of the inner gear ring is meshed with the transmission gear, and the other end of the transmission gear is meshed with the driving gear.
As a further scheme of the invention, the through holes on the upper sealing disc and the lower sealing disc are aligned in the vertical direction.
As a further scheme of the invention, the transmission assembly further comprises a chassis and an elastic piece, wherein the chassis is fixedly assembled on the main shaft, one end of the elastic piece is fixedly connected with the chassis, and the other end of the elastic piece is fixedly connected with the bracket and is used for driving the elastic reset of the main shaft.
As a further scheme of the invention, the driving component further comprises an outer tooth socket, a bottom bracket, a lifting plate and an elastic clamping plate, wherein the outer tooth socket is arranged at one end of the winding wheel, the bottom bracket is fixedly arranged in the main shell, one end of the lifting plate is slidably assembled on the bottom bracket, the other end of the lifting plate is rotatably assembled at the bottom of the main shaft in a limiting manner, the elastic clamping plate is fixedly assembled on the lifting plate, and the elastic clamping plate is elastically pressed on one side of the outer tooth socket.
As a further aspect of the present invention, the groundwater sampling device for environmental monitoring further includes a floating body member, which is independently disposed on the top of the main housing and is assembled and connected with the cable.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the invention, the rotatable main shaft is arranged in the main shell, the plurality of sampling cylinders for sectionally sampling are arranged outside the main shell, and the upper sealing disc and the lower sealing disc which are connected with the main shaft in a linkage manner are rotatably assembled, so that when the device is freely settled in a water body, water body samples at different depths can be automatically intercepted, manual operation is not needed, and the convenience of sampling is greatly improved.
Drawings
Fig. 1 is a partial cross-sectional view of an groundwater sampling device for environmental monitoring provided in an embodiment of the invention.
Fig. 2 is a schematic structural view of a housing member in an groundwater sampling device for environmental monitoring according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a transmission assembly in an underground water sampling device for environmental monitoring according to an embodiment of the present invention.
Fig. 4 is an enlarged schematic view of reference symbol a in fig. 3.
Fig. 5 is an enlarged schematic view of reference symbol B in fig. 3.
Fig. 6 is a schematic bottom structure of an groundwater sampling device for environmental monitoring according to an embodiment of the invention.
Reference numerals: 1-shell component, 101-main shell, 102-ring groove, 103-counterweight head, 104-bracket, 105-guide hole, 106-transmission gear, 2-transmission component, 201-main shaft, 202-driving gear, 203-upper sealing disc, 204-lower sealing disc, 205-guide hole, 206-connecting column, 207-chassis, 208-elastic piece, 209-inner gear ring, 3-driving component, 301-winding wheel, 302-external tooth socket, 303-cable, 304-cable bracket, 305-bottom bracket, 306-lifting plate, 307-elastic clamping plate, 4-sampling component, 401-sampling tube, 402-guide mouth and 5-floating body piece.
Detailed Description
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1-6, an groundwater sampling device for environmental monitoring according to an embodiment of the invention includes a housing member 1, the housing member 1 includes a main housing 101, a ring groove 102 and a counterweight 103, the top of the main housing 101 is provided with the ring groove 102, and the bottom of the main housing 101 is fixedly connected with the counterweight 103; the transmission assembly 2 comprises a main shaft 201, a driving gear 202, an upper sealing disc 203 and a through hole 205, wherein the main shaft 201 is rotationally assembled in the main shell 101, the upper sealing disc 203 and the lower sealing disc 204 are respectively rotationally sleeved on the annular groove 102 and the main shell 101, the upper sealing disc 203 is connected with the main shaft 201 in a linkage way, the upper sealing disc 203 and the lower sealing disc 204 are arranged at intervals, and the upper sealing disc 203 and the lower sealing disc 204 are also provided with the through hole 205; the driving member 3, the driving member 3 includes a winding wheel 301, a cable 303 and a cable bracket 304, the winding wheel 301 is disposed inside the main housing 101 and is in sliding limiting connection with the main shaft 201, the winding wheel 301 is wound with the cable 303, the cable bracket 304 is fixedly disposed inside the main housing 101, and the end of the cable 303 is disposed outside the main housing 101 after passing through the cable bracket 304; the sampling assembly 4, the sampling assembly 4 includes a plurality of sampling tube 401, sampling tube 401 circumference is laid in the external diameter end of main casing 101, and fixedly meets between the main casing 101, a plurality of sampling tube 401 equipartition locate between last sealing disk 203 and the lower sealing disk 204, just the top and the bottom of sampling tube 401 all are provided with water conservancy diversion mouth 402, go up sealing disk 203 and lower sealing disk 204 and water conservancy diversion mouth 402 slip and meet.
In practical application, when the underground water sample is collected by the device, firstly, the balance weight head 103 of the device is placed in the sample collection well, because the balance weight head 103 is arranged at the bottom of the main shell 101, the balance weight head 103 is always positioned at one end of the bottom of the main shell 101 when the device is submerged in a water body, and when the device is submerged, the cable 303 with the tail end arranged in the main shell 101 is fixed on the floating body piece 5, the floating body piece 5 can float on the surface of the water body, when the shell member 1 continuously descends in the water body, one end of the cable 303 is fixed on the floating body piece 5, the other end of the cable is wound on the winding wheel 301, the winding wheel 301 can be driven to rotate in the main shell 101, and in the process of rotating the winding wheel 301, the main shaft 201 is synchronously connected with the winding wheel 301, meanwhile, the main shaft 201 is connected with the upper sealing disk 203 in the rotating process, because the surface of the upper sealing disk 203 is provided with the guide holes 205, and the guide nozzles 205 are arranged at two ends of the upper sealing disk 203, when the guide nozzles 401 are arranged at the two ends of the surface of the upper sealing disk 203, the guide nozzles 205 are continuously connected with the water body 401, and the water sample can continuously enter the water sampling tube 401 continuously in the current state when the water sample collection well, and the water sample is continuously flows into the water sample collection well, and the water sample is continuously enters the water sampling tube 401, and the water sample collection well, and the water sample is continuously flows into the water sample collection well, and the water sample is continuously in the water sample. The upper sealing disc 203 can sequentially conduct the diversion nozzles 402 on the sampling cylinders 401 in the circumferential rotation process, so that the sampling cylinders 401 are sequentially opened and sampled at different water depth positions until the cable 303 is released from one end of the winding wheel 301, and the device reaches the maximum sampling depth, so that the cable 303 assembled on the floating body member 5 can be rapidly recovered.
Referring to fig. 2 and 4, in a preferred embodiment of the present invention, the housing member 1 further includes a bracket 104 and a guide hole 105, wherein the bracket 104 is fixedly disposed on one side of the inner wall of the main housing 101 and sleeved on the spindle 201, and the guide hole 105 is disposed on the top of the main housing 101 and disposed in the ring groove 102, so as to define the sliding track of the external tooth groove 302.
In practical application, the bracket 104 is used for limiting the rotation axis of the spindle 201, the guide hole 105 is arranged at the bottom of the main housing 101 and is slidably connected with the cable 303, so as to control the movement track of the cable 303, ensure that the cable 303 moves at a position close to the axis of the main housing 101, and ensure that the housing member 1 keeps a vertical state in the descending process.
Referring to fig. 4, in a preferred embodiment of the present invention, the housing member 1 further includes a transmission gear 106, the transmission assembly 2 further includes a driving gear 202 and an inner gear ring 209, the transmission gear 106 is rotatably assembled in the ring groove 102, the driving gear 202 is fixedly assembled on the top of the spindle 201, the inner gear ring 209 is disposed at an inner diameter end of the upper sealing disc 203, one end of the inner gear ring is meshed with the transmission gear 106, and the other end of the transmission gear 106 is meshed with the driving gear 202.
In practical application, the driving gear 202 disposed at the top of the spindle 201 can be meshed with the transmission gear 106, and the other end of the transmission gear 106 is meshed with the inner gear ring 209, so that the upper sealing disc 203 is linked with the spindle 201, and the rotation angle of the upper sealing disc 203 is adjusted according to the descending depth of the device, so as to open and close the sampling cylinders 401 with different depths to collect water samples.
In one case of this embodiment, a plurality of connection posts 206 are further disposed between the upper sealing disc 203 and the lower sealing disc 204, and the connection posts 206 are used for fixedly connecting the upper sealing disc 203 and the lower sealing disc 204, so as to enable the upper sealing disc 203 and the lower sealing disc 204 to rotate synchronously.
Referring to fig. 3, in a preferred embodiment of the present embodiment, the through holes 205 on the upper sealing disc 203 and the lower sealing disc 204 are aligned in a vertical direction.
In practical application, the through holes 205 on the upper sealing disc 203 and the lower sealing disc 204 are aligned in the vertical direction, so that the two groups of through holes 205 on the upper sealing disc 203 and the lower sealing disc 204 can synchronously rotate to one side of the sampling tube 401 in the synchronous rotation process, and are used for synchronously opening and closing the flow guide nozzles 402 at two ends of the sampling tube 401.
Referring to fig. 6, in a preferred embodiment of the present invention, the transmission assembly 2 further includes a chassis 207 and an elastic member 208, wherein the chassis 207 is fixedly mounted on the spindle 201, and one end of the elastic member 208 is fixedly connected to the chassis 207, and the other end is fixedly connected to the bracket 104, so as to drive the spindle 201 to elastically reset.
In practical application, the chassis 207 is fixedly assembled on the spindle 201 and is elastically connected with the bracket 104 through the elastic member 208, so that the driving gear 202 at the top of the spindle 201 is always meshed with the transmission gear 106 under a default working condition without external force contact, and the device is kept in a sampling state in the descending process.
Referring to fig. 5, in a preferred embodiment of the present invention, the driving member 3 further includes an outer spline 302, a bottom bracket 305, a lifting plate 306 and an elastic clamping plate 307, wherein the outer spline 302 is disposed at one end of the winding wheel 301, the bottom bracket 305 is fixedly disposed in the main housing 101, one end of the lifting plate 306 is slidably mounted on the bottom bracket 305, the other end is rotatably mounted at the bottom of the main shaft 201 in a limited manner, the lifting plate 306 is fixedly mounted with the elastic clamping plate 307, and the elastic clamping plate 307 is elastically pressed against one side of the outer spline 302.
In practical application, the lifting plate 306 slidingly assembled on the bottom support 305 is assembled at the bottom of the spindle 201 by limiting rotation at one end, so when the spindle 201 is elastically pressed against one side of the support 104 by the chassis 207 at one end of the spindle 201, the elastic clamping plate 307 at one side of the lifting plate 306 is parallel to the external tooth groove 302 in the vertical direction, so that the external tooth groove 302 is clamped on the elastic clamping plate 307, unidirectional rotation of the winding wheel 301 is limited, the winding wheel 301 is prevented from swinging by itself to cause the spindle 201 to reverse, the acquired water sample is prevented from contacting with the water body again, and after the device is recovered, the spindle 201 can slide against the elastic force of the elastic member 208 by pressing the spindle 201 in the vertical direction, and the lifting plate 306 is driven to slide in the vertical direction, so that the elastic clamping plate 307 is separated from one side of the external tooth groove 302, and the limitation is relieved.
Referring to fig. 1, in a preferred embodiment of the present invention, the groundwater sampling device for environmental monitoring further includes a floating body member 5, where the floating body member 5 is independently disposed on top of the main housing 101 and is assembled and connected to the cable 303.
In practical application, the floating body member 5 is provided with a plurality of floating bodies, the default buoyancy is always greater than the mass of the housing member 1 during sampling, the tail end of the cable 303 is always suspended on the floating body member, and the mass of the counterweight 103 is always greater than the buoyancy of the housing member 1.
According to the groundwater sampling device for environmental monitoring provided by the embodiment of the invention, the rotatable main shaft 201 is arranged in the main shell 101, the plurality of sampling cylinders 401 for segmented sampling are arranged outside the main shell 101, and the upper sealing disc 203 and the lower sealing disc 204 which are connected with the main shaft 201 in a linkage manner are rotatably assembled, so that when the device is freely settled in a water body, water body samples at different depths can be automatically intercepted, manual operation is not needed, and the convenience of sampling is greatly improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (7)

1. An groundwater sampling device for environmental monitoring, the groundwater sampling device for environmental monitoring comprising:
the shell component comprises a main shell, an annular groove and a counterweight head, wherein the annular groove is formed in the top of the main shell, and the counterweight head is fixedly connected to the bottom of the main shell;
the transmission assembly comprises a main shaft, a driving gear, an upper sealing disc and a through hole, wherein the main shaft is rotationally assembled in a main shell, the upper sealing disc and the lower sealing disc are respectively rotationally sleeved on the annular groove and the main shell, the upper sealing disc is connected with the main shaft in a linkage way, the upper sealing disc and the lower sealing disc are arranged at intervals, and the upper sealing disc and the lower sealing disc are also provided with the through hole;
the driving component comprises a winding wheel, a cable and a cable bracket, wherein the winding wheel is arranged inside the main shell and is in sliding limiting connection with the main shaft, the cable is wound on the winding wheel, the cable bracket is fixedly arranged inside the main shell, and the tail end of the cable passes through the cable bracket and is arranged outside the main shell;
the sampling assembly comprises a plurality of sampling cylinders, the sampling cylinders are circumferentially arranged at the outer diameter end of the main shell and fixedly connected with the main shell, the sampling cylinders are uniformly distributed between the upper sealing disc and the lower sealing disc, the top and the bottom of each sampling cylinder are respectively provided with a flow guide nozzle, and the upper sealing disc and the lower sealing disc are connected with the flow guide nozzles in a sliding mode.
2. The groundwater sampling device for environmental monitoring according to claim 1, wherein the housing member further comprises a bracket and a guide hole, the bracket is fixedly arranged on one side of the inner wall of the main housing and sleeved on the main shaft, and the guide hole is arranged at the top of the main housing and in the ring groove for limiting the sliding track of the external tooth groove.
3. The groundwater sampling device for environmental monitoring according to claim 1, wherein the housing member further comprises a transmission gear, the transmission assembly further comprises a driving gear and an inner gear ring, the transmission gear is rotatably assembled in the ring groove, the driving gear is fixedly assembled at the top of the main shaft, the inner gear ring is arranged at the inner diameter end of the upper sealing disc, one end of the inner gear ring is meshed with the transmission gear, and the other end of the transmission gear is meshed with the driving gear.
4. The groundwater sampling device for environmental monitoring according to claim 1, wherein the vias on the upper and lower sealing plates are aligned in a vertical direction.
5. The groundwater sampling device for environmental monitoring according to claim 2, wherein the transmission assembly further comprises a chassis and an elastic member, the chassis is fixedly assembled on the main shaft, one end of the elastic member is fixedly connected with the chassis, and the other end of the elastic member is fixedly connected with the bracket for driving the elastic reset of the main shaft.
6. The groundwater sampling device for environmental monitoring according to claim 1, wherein the driving member further comprises an external tooth socket, a bottom bracket, a lifting plate and an elastic clamping plate, the external tooth socket is arranged at one end of the winding wheel, the bottom bracket is fixedly arranged in the main shell, one end of the lifting plate is slidably assembled on the bottom bracket, the other end of the lifting plate is limited and rotatably assembled at the bottom of the main shaft, the elastic clamping plate is fixedly assembled on the lifting plate, and the elastic clamping plate is elastically pressed on one side of the external tooth socket.
7. The groundwater sampling device for environmental monitoring according to claim 1, further comprising a floating body member independently disposed on top of the main housing and connected to the cable assembly.
CN202311377431.5A 2023-10-23 2023-10-23 Groundwater sampling device for environmental monitoring Pending CN117168900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311377431.5A CN117168900A (en) 2023-10-23 2023-10-23 Groundwater sampling device for environmental monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311377431.5A CN117168900A (en) 2023-10-23 2023-10-23 Groundwater sampling device for environmental monitoring

Publications (1)

Publication Number Publication Date
CN117168900A true CN117168900A (en) 2023-12-05

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ID=88937706

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311377431.5A Pending CN117168900A (en) 2023-10-23 2023-10-23 Groundwater sampling device for environmental monitoring

Country Status (1)

Country Link
CN (1) CN117168900A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117907037A (en) * 2024-03-18 2024-04-19 河北水利电力学院 Groundwater sampling device for hydrogeology
CN118010424A (en) * 2024-04-01 2024-05-10 烟台鲁东分析测试有限公司 Groundwater detection sampling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117907037A (en) * 2024-03-18 2024-04-19 河北水利电力学院 Groundwater sampling device for hydrogeology
CN117907037B (en) * 2024-03-18 2024-05-17 河北水利电力学院 Groundwater sampling device for hydrogeology
CN118010424A (en) * 2024-04-01 2024-05-10 烟台鲁东分析测试有限公司 Groundwater detection sampling device

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