CN119269172B - Multi-depth sampling device for water body detection - Google Patents
Multi-depth sampling device for water body detection Download PDFInfo
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- CN119269172B CN119269172B CN202411409542.4A CN202411409542A CN119269172B CN 119269172 B CN119269172 B CN 119269172B CN 202411409542 A CN202411409542 A CN 202411409542A CN 119269172 B CN119269172 B CN 119269172B
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
本发明提供了一种水体检测用多深度取样装置，属于水体检测技术领域，包括取样架，所述取样架内部滑动有多个取样座，且取样座内部设置有环形空腔，每个所述取样座内部均设置有开合机构；通过在对所需采样的深度进行定位时，可通过推动多组限位板分别回缩至多个取样座内部，并通过拉动多个取样座分别移动至其所需采样深度，可在限位组件的配合下，可分别对多个取样座进行定位，起到了对采样深度进行定位的作用，有效降低了采样局限性，能够适应不同采样点的需求，减少采样过程中的时间和人力成本，同时可避免在采样过程中受到上层水体悬浮物、藻类等的干扰，确保采集到的水样能够真实反映目标水层的水质状况。
The present invention provides a multi-depth sampling device for water body detection, which belongs to the technical field of water body detection, and comprises a sampling frame, wherein a plurality of sampling seats are slidably arranged inside the sampling frame, and an annular cavity is arranged inside the sampling seat, and an opening and closing mechanism is arranged inside each of the sampling seats; when positioning the required sampling depth, the plurality of groups of limiting plates can be pushed to be retracted into the plurality of sampling seats respectively, and the plurality of sampling seats can be pulled to be moved to the required sampling depth respectively, and the plurality of sampling seats can be positioned respectively with the cooperation of the limiting components, thereby playing the role of positioning the sampling depth, effectively reducing the sampling limitation, being able to adapt to the needs of different sampling points, reducing the time and labor costs in the sampling process, and avoiding interference from suspended matter, algae, etc. in the upper water body during the sampling process, thereby ensuring that the collected water samples can truly reflect the water quality of the target water layer.
Description
Technical Field
The invention relates to the technical field of water body detection, in particular to a multi-depth sampling device for water body detection.
Background
The water quality monitoring is a process for monitoring and measuring the types of pollutants in a water body, the concentration and the change trend of various pollutants and evaluating the water quality condition. The monitoring range is very wide, including uncontaminated and contaminated natural waters (rivers, lakes, seas and groundwater) and various industrial drains, etc. The main monitoring items can be divided into two major categories, one is comprehensive index reflecting water quality condition, such as temperature, chromaticity, turbidity, pH value, conductivity, suspended matters, dissolved oxygen, chemical oxygen demand, biochemical oxygen demand and the like, and the other is toxic substances such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury, organic pesticides and the like. In order to objectively evaluate the water quality of rivers and oceans, it is sometimes necessary to measure the flow rate and the flow quantity in addition to the above-mentioned monitoring items.
In the prior art, a sampling seat exists, for example, chinese patent application CN212780133U discloses a sampling device for water body detection, which relates to a sampling barrel, a plurality of partition plates and handles, wherein the sampling barrel is arranged at the upper end and the lower end in a sealing way, the partition plates are horizontally and uniformly arranged in the sampling barrel at intervals, the handles are connected with the sampling barrel, the partition plates divide the interior of the sampling barrel into a plurality of cavities with the same space size, the positions, opposite to each cavity, of the peripheral wall of the sampling barrel are respectively provided with a water inlet and a water outlet, a rubber plug is arranged at the water outlet of the sampling barrel, a closing assembly for closing the water inlet is arranged on the sampling barrel, the closing assembly comprises a closing arc plate arranged along the length direction of the peripheral wall of the sampling barrel, the closing arc plate is rotationally connected with the peripheral wall of the sampling barrel, and a driving assembly for driving the closing arc plate to rotate is arranged at the upper end of the sampling barrel.
But above-mentioned patent still exists certain not enough, above-mentioned scheme is in sampling the in-process to quality of water, the inside cavity that exists of sample bucket, in the maintenance process is overhauld to the sample bucket, need install it and dismantle it, because its inside cavity that exists, the cavity is inside to be full of air, and the whole volume of sample bucket is great, because the whole buoyancy of sample bucket is proportional with the volume of drainage, it is great to the buoyancy that the sample bucket produced to lead to water, when the whole gradual immersion water of sample bucket, the buoyancy that the sample bucket received increases gradually, it is difficult for the subsidence to lead to the sample bucket, if increase the quality of sample bucket then can influence the convenience of its sample, the degree of difficulty of increase sample, influence the efficiency of sampling.
Therefore, there is a need in the art for a multi-depth sampling device for water detection.
Disclosure of Invention
The invention aims to provide a multi-depth sampling device for water body detection, which is used for solving the problem of lower sampling efficiency of a sampling seat in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
The utility model provides a water detects with many degree of depth sampling device, includes the sample frame, the inside slip of sample frame has a plurality of sampling seats, and the inside annular cavity that is provided with of sampling seat, every the inside mechanism that opens and shuts that all is provided with of sampling seat, every sampling seat top all is provided with sampling structure;
the sampling rack is internally connected with a first transmission shaft and a second transmission shaft in a rotating way, the top end of the first transmission shaft is connected with a first motor through a rotating shaft, and the top end of the second transmission shaft is connected with a second motor through a rotating shaft;
The opening and closing mechanism comprises a plurality of sealing plates which are in sliding connection with the inner side wall of the sampling seat, racks are fixedly connected to the top end of each sealing plate, a toothed ring is rotatably arranged on the inner wall of the sampling seat, the racks are meshed with the toothed ring, a transmission toothed ring which is rotatably connected with the inner wall of the sampling seat is sleeved on the arc surface of the first transmission shaft, the transmission toothed ring is meshed with the toothed ring, a sampling groove is formed in the top end of the sampling seat, and a one-way valve which extends to the lower part of the sampling seat is fixedly arranged at the end part of the sampling groove;
The sampling structure comprises a guide frame fixedly arranged at the top end of a sampling seat, a plugging rod is plugged at the bottom end of the guide frame, the sampling structure further comprises a second belt ring sleeved on the outer wall of the plugging rod, a first belt ring is sleeved on the arc surface of the second transmission shaft, a belt body is arranged between the second belt ring and the first belt ring, and a piston body in sliding connection with the top end of the sampling seat is fixedly arranged at the bottom end of the plugging rod.
As an optimal scheme of the multi-depth sampling device for water body detection, the second transmission shaft is positioned at one side of the first transmission shaft, the first transmission shaft and the second transmission shaft penetrate through the sampling frame and extend to the top end of the sampling frame, the first motor is arranged at the top end of the sampling frame, the second motor is arranged at the top end of the sampling frame, and the second motor is positioned at one side of the first motor.
As a preferable scheme of the multi-depth sampling device for water body detection, a plurality of movable grooves are formed in the inner bottom of the annular cavity, the movable grooves are respectively sealed or opened through a plurality of sealing plates, the inner wall of the sampling groove is in sliding connection with the piston body, the piston body is cylindrical, a plurality of water inlet grooves communicated with the outside of the sampling seat are obliquely formed in the inner wall of the sampling groove, the water inlet grooves are respectively communicated with the movable grooves, the water inlet grooves are distributed in an annular array mode relative to the central axis of the piston body, opening grooves matched with the sealing plates are formed in the top end of each movable groove, sealing strips which are in sliding connection with the inner wall of the annular cavity are fixedly arranged on one side of each sealing plate, and the sealing strips are used for sealing the opening grooves in the moving process.
As a preferable scheme of the multi-depth sampling device for water body detection, the end part of the transmission toothed ring is provided with a first rotating hole matched with the first transmission shaft, the inner wall of the transmission toothed ring is fixedly provided with a first clamping block clamped with the outer wall of the first transmission shaft, one side, close to the plurality of first clamping blocks, of the first transmission shaft is provided with a first clamping groove, and the first clamping groove is matched with the plurality of first clamping blocks.
As the preferable scheme of the multi-depth sampling device for water body detection, the sampling structure comprises the protective shell fixed at the top end of the sampling seat, the second belt ring is rotationally connected with the inner wall of the protective shell, the first belt ring is rotationally connected with the inner wall of the protective shell, the inserting rod comprises the upper inserting rod which is slidingly connected with the bottom end of the guide frame, the bottom end of the upper inserting rod is fixedly provided with a threaded rod, and the bottom end of the threaded rod is fixedly connected with the piston body.
As a preferable scheme of the multi-depth sampling device for water body detection, a threaded groove matched with a threaded rod is formed in the inner portion of the second belt ring, the inner portion of the second belt ring is in threaded connection with the threaded rod, a second clamping block clamped with the outer wall of the second transmission shaft is fixedly arranged on the inner wall of the first belt ring, a second clamping groove is formed in one side, close to the second clamping blocks, of the second transmission shaft, and the second clamping groove is matched with the second clamping blocks.
As the preferable scheme of the multi-depth sampling device for water body detection, the outer side of the sampling frame is clamped with a plurality of mounting columns, the plurality of mounting columns are annularly arrayed relative to the central axis of the sampling groove, and the plurality of mounting columns are all mounted at the top end of a river bed.
As a preferable scheme of the multi-depth sampling device for water body detection, a plurality of limiting assemblies are arranged on the outer side of each sampling seat, each limiting assembly comprises a limiting plate sliding with the outer wall of the sampling seat, a reset spring is fixedly arranged between one side, close to the sampling seat, of each limiting plate and the outer wall of the sampling seat, a plurality of pairs of limiting grooves matched with the limiting plates are formed in the outer wall of the sampling frame, and the limiting grooves are distributed in an annular array.
Compared with the prior art, the invention has the following beneficial effects:
1. When the water quality is sampled, the sampling seat is arranged among the plurality of sampling frames, the first motor is started, sampling water can enter the sampling seat through a plurality of groups of water inlet grooves under the cooperation of the plurality of opening and closing mechanisms, the second motor is started, the sampling water enters the sampling seat under the cooperation of the plurality of sampling structures, the whole sampling barrel is divided into the plurality of sampling seats, the volume of whole drainage water is reduced, the buoyancy of the whole sampling device is reduced, the sampling convenience of the sampling seat is improved, the sampling efficiency is improved, meanwhile, the first motor and the second motor are both positioned above the water surface, the electric shock risk existing when electric equipment is soaked in the water can be avoided, and the occurrence probability of electric shock accidents can be remarkably reduced;
2. When the depth of the required sample is positioned, the plurality of groups of limiting plates can be pushed to retract into the plurality of sampling seats respectively, the plurality of sampling seats can be pulled to move to the required sampling depth respectively, the plurality of sampling seats can be positioned respectively under the cooperation of the limiting components, the function of positioning the sampling depth is achieved, the sampling limitation is effectively reduced, the requirements of different sampling points can be met, the time and labor cost in the sampling process are reduced, the interference of upper water body suspended matters, algae and the like in the sampling process can be avoided, and the collected water sample can truly reflect the water quality condition of a target water layer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is an overall perspective view of a sampling device according to the present invention;
FIG. 2 is a front perspective view of the sampling rack of the present invention;
FIG. 3 is a front perspective view of the sample holder of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3A in accordance with the present invention;
FIG. 5 is a diagram of a packing element distribution of the present invention
FIG. 6 is a cross-sectional perspective view of a sample holder according to the present invention;
FIG. 7 is a bottom cross-sectional view of the sampling seat of the present invention;
FIG. 8 is an enlarged view of a portion of B of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of a sample holder according to the present invention;
FIG. 10 is a schematic diagram of a sampling structure according to the present invention;
FIG. 11 is a schematic view of a connection structure of a first belt loop and a second belt loop according to the present invention;
FIG. 12 is a schematic view of a spacing assembly according to the present invention;
Fig. 13 is a schematic view of the structure of the check valve of the present invention.
In the figure, 1, a sampling frame, 11, a mounting column, 12, a first transmission shaft, 13, a second transmission shaft, 2, a sampling seat;
3. the device comprises an opening and closing mechanism, a transmission toothed ring, a 311 first clamping block, a 32 toothed ring, a 33 rack, a 34 sealing plate, a 35 water inlet groove, a 36 one-way valve, a 37 sampling groove;
4. 41 parts of a sampling structure, 42 parts of a protective shell, 42 parts of a first belt ring, 421 parts of a second clamping block, 43 parts of a second belt ring, 44 parts of a belt body, 45 parts of a guide frame, 46 parts of a plugging rod, 461 parts of an upper plugging rod, 462 parts of a threaded rod, 47 parts of a piston body;
5. The device comprises a limiting component, a limiting plate, a reset spring, a limiting groove and a limiting groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The concept of the present application will be described with reference to the accompanying drawings. It should be noted that the following descriptions of the various concepts are only for making the content of the present application easier to understand, and are not meant to limit the scope of the present application, and at the same time, the embodiments of the present application and the features in the embodiments may be combined with each other without conflict. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 13, according to an aspect of the present invention, there is provided a multi-depth sampling device for water body detection, comprising a sampling frame 1, wherein a plurality of sampling seats 2 slide inside the sampling frame 1, an annular cavity is arranged inside the sampling seats 2, an opening and closing mechanism 3 is arranged inside each sampling seat 2, and a sampling structure 4 is arranged at the top end of each sampling seat 2;
The sampling frame 1 is internally and rotatably connected with a first transmission shaft 12 and a second transmission shaft 13, the top end of the first transmission shaft 12 is connected with a first motor through a rotating shaft, the top end of the second transmission shaft 13 is connected with a second motor through a rotating shaft, and a storage battery for supplying power to the first motor and the second motor is arranged on the sampling frame 1;
The opening and closing mechanism 3 comprises a plurality of sealing plates 34 which are in sliding connection with the inner side wall of the sampling seat 2, the top end of each sealing plate 34 is fixedly connected with a rack 33, the inner wall of the sampling seat 2 is rotatably provided with a toothed ring 32, the racks 33 are meshed with the toothed ring 32, the arc surface of the first transmission shaft 12 is sleeved with a transmission toothed ring 31 which is rotatably connected with the inner wall of the sampling seat 2, the transmission toothed ring 31 is meshed with the toothed ring 32, the top end of the sampling seat 2 is provided with a sampling groove 37, and the end part of the sampling groove 37 is fixedly provided with a one-way valve 36 which extends to the lower part of the sampling seat 2;
the sampling structure 4 comprises a guide frame 45 fixedly arranged at the top end of the sampling seat 2, a plugging rod 46 is plugged at the bottom end of the guide frame 45, the sampling structure 4 further comprises a second belt ring 43 sleeved on the outer wall of the plugging rod 46, a first belt ring 42 is sleeved on the arc surface of the second transmission shaft 13, a belt body 44 is arranged between the second belt ring 43 and the first belt ring 42, and a piston body 47 in sliding connection with the top end of the sampling seat 2 is fixedly arranged at the bottom end of the plugging rod 46.
The second transmission shaft 13 is located one side of the first transmission shaft 12, and the first transmission shaft 12 and the second transmission shaft 13 penetrate through the sampling frame 1 and extend to the top end of the sampling frame 1, the first motor is mounted on the top end of the sampling frame 1, the second motor is mounted on the top end of the sampling frame 1, and the second motor is located one side of the first motor.
The inner bottom of annular cavity has seted up a plurality of movable grooves, and a plurality of movable grooves seal or open through a plurality of closing plates 34 respectively, sampling groove 37 inner wall and piston body 47 sliding connection, and piston body 47 is cylindric, sampling groove 37 inner wall slope has seted up a plurality of intake grooves 35 with the outside intercommunication of sampling seat 2, and a plurality of intake grooves 35 communicate with a plurality of movable grooves respectively, and a plurality of intake grooves 35 are annular array distribution about piston body 47 axis, and every movable groove top all has seted up with closing plate 34 assorted open slot, every closing plate 34 one side all is fixed and is provided with the sealing strip with annular cavity inner wall sliding connection, and the sealing strip is used for sealing open slot at the in-process of removal.
The end of the transmission toothed ring 31 is provided with a first rotating hole matched with the first transmission shaft 12, the inner wall of the transmission toothed ring 31 is fixedly provided with a first clamping block 311 which is clamped with the outer wall of the first transmission shaft 12, and one side, close to the first clamping blocks 311, of the first transmission shaft 12 is provided with a first clamping groove which is matched with the first clamping blocks 311.
The sampling structure 4 comprises a protective shell 41 fixed at the top end of the sampling seat 2, a second belt ring 43 is rotationally connected with the inner wall of the protective shell 41, a first belt ring 42 is rotationally connected with the inner wall of the protective shell 41, the plugging rod 46 comprises an upper plugging rod 461 slidingly connected with the bottom end of the guide frame 45, a threaded rod 462 is fixedly arranged at the bottom end of the upper plugging rod 461, and the bottom end of the threaded rod 462 is fixedly connected with the piston body 47.
The second belt ring 43 is internally provided with a thread groove matched with the threaded rod 462, the second belt ring 43 is internally in threaded connection with the threaded rod 462, the inner wall of the first belt ring 42 is fixedly provided with a second clamping block 421 clamped with the outer wall of the second transmission shaft 13, one side, close to the second clamping blocks 421, of the second transmission shaft 13 is provided with a second clamping groove, and the second clamping groove is matched with the second clamping blocks 421.
The outside joint of sample frame 1 has a plurality of erection columns 11, and a plurality of erection columns 11 are with the annular array of sampling groove 37 axis, and a plurality of erection columns 11 all install in the riverbed top.
When sampling water, the sampling frame 1 can be hung between the plurality of mounting columns 11 through hanging equipment, when the bottom end of the sampling frame 1 is clung to a river bed, the plurality of sampling seats 2 at the moment are completely soaked in the sampling water, meanwhile, one side of the plurality of groups of sealing plates 34 far away from the one-way valve 36 can be contacted with the sampling water, the sampling seat 2 can be kept still, so that the sampling water is in a relatively static state, the effect is that the condition that the sampling water is mixed in an upper layer and a lower layer due to the falling of the sampling frame 1 is prevented, the accuracy of sampling data is further improved, when the sampling water is in the relatively static state, the first motor can be started, the first transmission shaft 12 can be driven to rotate under the connection of the rotating shafts, and the plurality of first clamping blocks 311 fixedly arranged in the plurality of transmission toothed rings 31 are clamped with the first clamping grooves formed on the surface of the first transmission shaft 12, the first transmission shaft 12 drives the transmission toothed ring 31 to synchronously rotate at the same time of transmission, then drives the toothed ring 32 meshed with the transmission toothed ring 31 to rotate around the connection position with the sampling seat 2, as shown in fig. 6, the toothed ring 32 can rotate clockwise at the moment, the rotation of the toothed ring 32 drives a plurality of racks 33 meshed with the toothed ring to slide, simultaneously drives a sealing plate 34 fixed on the racks 33 to slide in a movable groove, then pulls a sealing strip fixedly connected with the sealing plate 34 to slide at the top end of the movable groove, namely the notch of an opening groove, when the sealing plate 34 slides into the movable groove until the water inlet groove 35 is opened, the sealing strip can seal the opening groove, water is prevented from entering an annular cavity in the sampling seat 2 through the movable groove, corrosion of parts caused by long-term retention of the water in the annular cavity is avoided, when the sealing plate 34 opens the water inlet groove 35, sampling water can flow into the water inlet groove 35, at this time, the second motor is started to drive the second transmission shaft 13 to rotate around the position connected with the sampling frame 1 under the connection of the rotating shaft, and because the second clamping blocks 421 which are fixedly arranged inside the first belt rings 42 are clamped with the second clamping grooves formed in the surface of the second transmission shaft 13, the second transmission shaft 13 can drive each first belt ring 42 to synchronously rotate while rotating, at this time, the second belt rings 43 can be driven to rotate under the connection of each belt body 44, as shown in fig. 9, the second belt rings 43 are connected with the threaded rods 462 through threads, and the upper inserting rods 461 fixed at the top ends of the threaded rods 462 are connected with the guide frames 45 in a sliding manner, so that the second belt rings 43 can drive the inserting rods 46 to move upwards while rotating, and simultaneously drive the piston bodies 47 fixed at the bottom ends of the inserting rods 46 to slide upwards, so that negative pressure is generated between the top ends of the sampling seats 2 and the bottom ends of the piston bodies 47, and sampling water can enter the sampling seats 2 through the plurality of groups of water inlet grooves 35, thus achieving the purpose of multilayer sampling, and simultaneously setting a plurality of independent sampling seats 2, reducing the whole volume, and reducing the whole volume of the sampling device, and improving the buoyancy of the sampling frame 1.
In this embodiment, a plurality of limiting assemblies 5 are disposed outside each sampling seat 2, each limiting assembly 5 includes a limiting plate 51 sliding with the outer wall of the sampling seat 2, a reset spring 52 is fixedly disposed between one side of each limiting plate 51 close to the sampling seat 2 and the outer wall of the sampling seat 2, a plurality of pairs of limiting grooves 53 matched with the limiting plates 51 are formed in the outer wall of the sampling frame 1, and the plurality of pairs of limiting grooves 53 are distributed in an annular array.
Before sampling, the multiple groups of limiting plates 51 can be pushed to slide on the outer walls of the multiple sampling seats 2 respectively, the multiple return springs 52 are extruded to compress simultaneously, and the multiple sampling seats 2 are pulled to move to the required sampling depth respectively, in the process, the first clamping blocks 311 fixed inside the transmission toothed ring 31 can slide inside the first clamping grooves formed in the surface of the first transmission shaft 12, the second clamping blocks 421 fixed inside the first belt ring 42 can slide inside the second clamping grooves formed in the surface of the second transmission shaft 13 simultaneously, and then the limiting plates 51 are pushed to return under the elastic force of the return springs 52 by loosening the limiting plates 51, so that the limiting plates 51 are clamped with the multiple limiting grooves 53 respectively, the effect of positioning the sampling depth is achieved, and the required sampling depth of each sampling seat 2 can be independently adjusted, so that the aim of adapting to different sampling requirements is fulfilled.
The working principle of the device is as follows: the plurality of limiting plates 51 can be pushed to slide on the outer walls of the plurality of sampling seats 2 respectively at the same time, the plurality of return springs 52 are extruded to compress simultaneously, and the plurality of sampling seats 2 are pulled to move to the required sampling depth respectively, in the process, the first clamping blocks 311 fixed in the transmission gear ring 31 can slide in the first clamping grooves formed in the surface of the first transmission shaft 12, the second clamping blocks 421 fixed in the first belt ring 42 can slide in the second clamping grooves formed in the surface of the second transmission shaft 13 simultaneously, then the limiting plates 51 are pushed to return under the elastic force of the return springs 52 by loosening the limiting plates 51, so that the plurality of limiting plates 51 are clamped with the plurality of limiting grooves 53 respectively, when water quality is sampled, the sampling frame 1 can be hung between the plurality of mounting columns 11 through hanging equipment, when the bottom end of the sampling frame 1 is tightly attached to the river bed, the sampling seats 2 are completely soaked in the sampled water, and meanwhile, one side of the plurality of groups of sealing plates 34 far away from the one-way valve 36 can be contacted with the sampled water, and the sampled water can be in a relatively static state by standing the sampling seats 2, so that the condition that the sampled water is mixed in an upper layer and a lower layer due to the falling of the sampling frame 1 is prevented, the accuracy of sampled data is improved, when the sampled water is in the relatively static state, the first motor can be started to drive the first transmission shaft 12 to rotate under the connection of the rotating shaft, and the plurality of first clamping blocks 311 fixedly arranged in the plurality of transmission toothed rings 31 are clamped with the first clamping grooves formed in the surface of the first transmission shaft 12, so that the first transmission shaft 12 drives the transmission toothed rings 31 to synchronously rotate during transmission, then the toothed ring 32 meshed with the transmission toothed ring 31 is driven to rotate around the position connected with the sampling seat 2, the toothed ring 32 can rotate clockwise at the moment, the rotation of the toothed ring 32 drives a plurality of racks 33 meshed with the toothed ring 32 to slide, simultaneously drives a sealing plate 34 fixed on the racks 33 to slide in the movable groove, then pulls a sealing strip fixedly connected with the sealing plate 34 to slide at the top end of the movable groove, namely the notch of the open groove, when the sealing plate 34 slides into the movable groove until the water inlet groove 35 is opened, the sealing strip can seal the open groove, water is prevented from entering the annular cavity in the sampling seat 2 through the movable groove, corrosion of parts caused by long-term retention of water in the annular cavity is avoided, when the sealing plate 34 is opened, sampling water can flow into the water inlet groove 35, at the moment, a second motor can be started, the second transmission shaft 13 is driven to rotate around the position connected with the sampling frame 1 under the connection of the rotating shaft, because the second clamping blocks 421 which are fixedly arranged inside the first belt rings 42 are clamped with the second clamping grooves formed on the surface of the second transmission shaft 13, the second transmission shaft 13 can drive each first belt ring 42 to synchronously rotate while rotating, at the moment, the second belt rings 43 can be driven to rotate under the connection of each belt body 44, because the second belt rings 43 are connected with the threaded rods 462 through threads, and because the upper inserting rods 461 which are fixed at the top ends of the threaded rods 462 are in sliding connection with the guide frames 45, the second belt rings 43 can drive the inserting rods 46 to move upwards while rotating, and meanwhile, the piston bodies 47 which are fixed at the bottom ends of the inserting rods 46 are driven to slide upwards, so that negative pressure is generated between the top ends of the sampling seats 2 and the bottom ends of the piston bodies 47, and sampling water can enter the sampling seats 2 through the plurality of groups of water inlet grooves 35, when the sampling water quality needs to be taken out, the sampling frame 1 can be lifted up through the lifting equipment, then the transfer container is placed below the one-way valve 36, the second motor is started, meanwhile, the piston body 47 can push the sampling water quality under the cooperation of the sampling structure 4, the pressure inside the sampling seat 2 is increased at the moment, the one-way valve 36 can be jacked up, and the sampling water quality is discharged through the one-way valve 36.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the application, and it will be appreciated that numerous modifications, adaptations and variations of the application can be made by those skilled in the art without departing from the principles of the application, and that other features and advantages of the application can be combined in any suitable manner, and that no improvement in the design or design of the application is intended to be applied directly to other applications.
Claims (7)
1. The multi-depth sampling device for water body detection comprises a sampling frame (1) and is characterized in that a plurality of sampling seats (2) slide in the sampling frame (1), annular cavities are formed in the sampling seats (2), an opening and closing mechanism (3) is arranged in each sampling seat (2), and a sampling structure (4) is arranged at the top end of each sampling seat (2);
The sampling rack (1) is internally and rotatably connected with a first transmission shaft (12) and a second transmission shaft (13), the top end of the first transmission shaft (12) is connected with a first motor through a rotating shaft, and the top end of the second transmission shaft (13) is connected with a second motor through a rotating shaft;
the opening and closing mechanism (3) comprises a plurality of sealing plates (34) which are slidably connected with the inner side wall of the sampling seat (2), racks (33) are fixedly connected to the top ends of the sealing plates (34), the inner wall of the sampling seat (2) is rotatably provided with a toothed ring (32), the racks (33) are meshed with the toothed ring (32), a transmission toothed ring (31) which is rotatably connected with the inner wall of the sampling seat (2) is sleeved on the arc-shaped surface of the first transmission shaft (12), the transmission toothed ring (31) is meshed with the toothed ring (32), sampling grooves (37) are formed in the top ends of the sampling seat (2), and one-way valves (36) which extend to the lower part of the sampling seat (2) are fixedly arranged at the end parts of the sampling grooves (37);
The sampling structure (4) comprises a guide frame (45) fixedly arranged at the top end of the sampling seat (2), a plugging rod (46) is plugged at the bottom end of the guide frame (45), the sampling structure (4) further comprises a second belt ring (43) sleeved on the outer wall of the plugging rod (46), a first belt ring (42) is sleeved on the arc-shaped surface of the second transmission shaft (13), a belt body (44) is arranged between the second belt ring (43) and the first belt ring (42), and a piston body (47) in sliding connection with the top end of the sampling seat (2) is fixedly arranged at the bottom end of the plugging rod (46);
Every sample seat (2) outside is provided with a plurality of spacing subassemblies (5), every spacing subassembly (5) all include with sample seat (2) outer wall gliding limiting plate (51), every limiting plate (51) be close to sample seat (2) one side respectively with sample seat (2) between the outer wall fixed reset spring (52) that is provided with, a plurality of pairs of spacing groove (53) with limiting plate (51) assorted have been seted up to sample frame (1) outer wall, and a plurality of pairs of spacing groove (53) are annular array and distribute.
2. The multi-depth sampling device for water body detection according to claim 1, wherein the second transmission shaft (13) is located at one side of the first transmission shaft (12), the first transmission shaft (12) and the second transmission shaft (13) penetrate through the sampling frame (1) and extend to the top end of the sampling frame (1), the first motor is mounted at the top end of the sampling frame (1), the second motor is mounted at the top end of the sampling frame (1), and the second motor is located at one side of the first motor.
3. The multi-depth sampling device for water body detection according to claim 1, wherein a plurality of movable grooves are formed in the inner bottom of the annular cavity and are respectively closed or opened through a plurality of sealing plates (34), the inner wall of the sampling groove (37) is in sliding connection with the piston body (47), the piston body (47) is cylindrical, a plurality of water inlet grooves (35) communicated with the outside of the sampling seat (2) are obliquely formed in the inner wall of the sampling groove (37), the plurality of water inlet grooves (35) are respectively communicated with the plurality of movable grooves, the plurality of water inlet grooves (35) are distributed in an annular array with respect to the central axis of the piston body (47), opening grooves matched with the sealing plates (34) are formed in the top ends of the movable grooves, sealing strips which are in sliding connection with the inner wall of the annular cavity are fixedly arranged on one side of each sealing plate (34), and the sealing strips are used for sealing the opening grooves in the moving process.
4. The multi-depth sampling device for water body detection according to claim 1, wherein a first rotating hole matched with the first transmission shaft (12) is formed in the end portion of the transmission toothed ring (31), a first clamping block (311) clamped with the outer wall of the first transmission shaft (12) is fixedly arranged on the inner wall of the transmission toothed ring (31), a first clamping groove is formed in one side, close to the first clamping blocks (311), of the first transmission shaft (12), and the first clamping groove is matched with the first clamping blocks (311).
5. The multi-depth sampling device for water body detection according to claim 3, wherein the sampling structure (4) comprises a protective shell (41) fixed at the top end of the sampling seat (2), the second belt ring (43) is rotatably connected with the inner wall of the protective shell (41), the first belt ring (42) is rotatably connected with the inner wall of the protective shell (41), the inserting rod (46) comprises an upper inserting rod (461) slidably connected with the bottom end of the guide frame (45), a threaded rod (462) is fixedly arranged at the bottom end of the upper inserting rod (461), and the bottom end of the threaded rod (462) is fixedly connected with the piston body (47).
6. The multi-depth sampling device for water body detection according to claim 1, wherein a thread groove matched with the threaded rod (462) is formed in the second belt ring (43), the second belt ring (43) is connected with the threaded rod (462) in a threaded mode, a second clamping block (421) clamped with the outer wall of the second transmission shaft (13) is fixedly arranged on the inner wall of the first belt ring (42), a second clamping groove is formed in one side, close to the second clamping blocks (421), of the second transmission shaft (13), and the second clamping groove is matched with the second clamping blocks (421).
7. The multi-depth sampling device for water body detection according to claim 3, wherein a plurality of mounting columns (11) are clamped on the outer side of the sampling frame (1), the plurality of mounting columns (11) are annularly arrayed relative to the central axis of the sampling groove (37), and the plurality of mounting columns (11) are all mounted on the top end of a river bed.
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| CN110389052A (en) * | 2019-08-22 | 2019-10-29 | 合肥市宇驰检测技术有限公司 | The more depth water body sampling equipments of multiple spot and its sampling method |
| CN117760799A (en) * | 2024-02-22 | 2024-03-26 | 山东省地矿工程勘察院(山东省地质矿产勘查开发局八〇一水文地质工程地质大队) | A multi-depth sampling device for environmental monitoring water quality |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110389052A (en) * | 2019-08-22 | 2019-10-29 | 合肥市宇驰检测技术有限公司 | The more depth water body sampling equipments of multiple spot and its sampling method |
| CN117760799A (en) * | 2024-02-22 | 2024-03-26 | 山东省地矿工程勘察院(山东省地质矿产勘查开发局八〇一水文地质工程地质大队) | A multi-depth sampling device for environmental monitoring water quality |
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