CN119334699B - Multi-cavity sampler for chemical production detection - Google Patents
Multi-cavity sampler for chemical production detection Download PDFInfo
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- CN119334699B CN119334699B CN202411855758.3A CN202411855758A CN119334699B CN 119334699 B CN119334699 B CN 119334699B CN 202411855758 A CN202411855758 A CN 202411855758A CN 119334699 B CN119334699 B CN 119334699B
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Abstract
本发明公开了一种化工生产检测的多腔道取样器，具体涉及取样技术领域，包括槽柱、螺杆、驱动电机以及多腔道同步封闭定位取样机构；其中多腔道同步封闭定位取样机构包括套接块、环槽板、联动孔环、多个取样腔道管以及导向柱；还包括同步进液密封取样机构和变位取样传感组件。本发明通过多腔道同步封闭定位取样机构，具有使得多个限位槽筒能够封闭进入到指定深度的取样位置，可以对化工生产检测液体实现多腔道同步静态封闭取样，大幅度提高取样精确性的优点，从而解决了难以知晓具体取样液体是否为该位置处的取样标本，难以对化工生产检测液体实现多腔道同步静态封闭取样，使得取样精确性较差的问题。
The present invention discloses a multi-cavity sampler for chemical production detection, which specifically relates to the field of sampling technology, including a groove column, a screw, a driving motor and a multi-cavity synchronous closed positioning sampling mechanism; wherein the multi-cavity synchronous closed positioning sampling mechanism includes a sleeve block, a ring groove plate, a linkage hole ring, a plurality of sampling cavity tubes and a guide column; and also includes a synchronous liquid inlet sealing sampling mechanism and a displacement sampling sensor component. The present invention has the advantages of enabling a plurality of limited groove barrels to be closed and enter a sampling position of a specified depth through a multi-cavity synchronous closed positioning sampling mechanism, and can realize multi-cavity synchronous static closed sampling of chemical production detection liquid, greatly improving the sampling accuracy, thereby solving the problem that it is difficult to know whether a specific sampling liquid is a sampling specimen at that position, and it is difficult to realize multi-cavity synchronous static closed sampling of chemical production detection liquid, resulting in poor sampling accuracy.
Description
Technical Field
The invention relates to the technical field of sampling, in particular to a multi-cavity sampler for chemical production detection.
Background
The multi-cavity sampler used in the chemical production detection has independent detection sample liquid, wherein the bearing mechanism of the multi-cavity sampler can form a plurality of independent detection sample liquids, thereby avoiding the interference among different sample liquids and ensuring the purity and the representativeness of each sample liquid. And secondly, the comparison detection can be carried out, the sewage at different positions can be extracted through the multi-cavity sampler, a plurality of comparison sample liquids are formed, and the accuracy of a final detection result is improved through the comparison detection.
In the prior art, the patent of Chinese patent publication No. CN113567199A discloses a multi-cavity sampler for detecting the discharged industrial sewage of petrochemical enterprises, and the technology mainly can form a plurality of independent detection sample liquids through a bearing mechanism, so that the condition that different detection samples interfere with each other is avoided, the accuracy of detection results is improved, the sampling mechanism can complete synchronous extraction and preservation operations of the plurality of independent detection sample liquids, the efficiency of sewage extraction work is improved, meanwhile, the operation of extracting sewage at different depths can be realized, and the accuracy of final detection results can be improved by forming a plurality of comparison detections. However, this sampling technique has the following problems.
In the chemical production detection process, although the multi-cavity sampler is needed to sample the chemical production detection liquid so as to detect and check the data index, but in the sampling process, the chemical production detection liquid is continuously sampled through extraction, so that the flow speed of the chemical production detection liquid is higher, meanwhile, the chemical production detection liquid at other positions can irregularly flow to the sampling position at the position, so that the sampling position is greatly changed, whether the specific sampling liquid is a sampling sample at the position is difficult to know, and therefore, the multi-cavity synchronous static closed sampling is difficult to realize for the chemical production detection liquid, so that the sampling accuracy is poor, and the multi-cavity sampler for the chemical production detection is needed.
Disclosure of Invention
The technical scheme is that the multi-channel sampler comprises a groove column, wherein the inner wall of the groove column is rotationally connected with a screw, the top end of the groove column is fixedly provided with a driving motor, the driving motor is used for driving the screw to rotate, the outer wall of the screw is provided with a multi-channel synchronous closed positioning sampling mechanism, the multi-channel synchronous closed positioning sampling mechanism comprises a sleeve joint block which is arranged on the outer wall of the screw in a threaded manner, the sleeve joint block is in sliding connection with the groove column, one side of the sleeve joint block is fixedly connected with a ring groove plate, one end of the ring groove plate is fixedly connected with a linkage hole ring, the inner wall of the linkage hole ring is fixedly connected with a plurality of sampling channel pipes, one side of each sampling channel pipe is provided with a guide column, the outer wall of the guide column is fixedly connected with a limiting groove barrel, the limiting groove barrel is fixedly connected with the sampling channel pipes, a limiting cavity is formed in the inner part of the limiting groove barrel, the outer wall of the limiting groove barrel is fixedly connected with a sealing glue ring, the outer wall of the sealing glue ring is adhered with the sealing glue ring, one end part of the sealing glue ring is fixedly connected with the sealing glue ring, one end face of the sealing ring is provided with a sealing ring, and the sealing ring is provided with a sealing ring sensing groove assembly.
Preferably, the output end of the driving motor is fixedly connected with the screw rod, the outer wall of the sleeve joint block and the inner wall of the groove column are smooth surfaces, and the sampling cavity pipes are distributed and arranged in an equidistant mode in a circular ring. The guide posts are distributed and arranged at equal intervals in a circular ring, and a gap is formed between the bottom end of the sampling cavity tube and the bottom end of the inner wall of the limiting groove barrel. The outer wall fixedly connected with of driving motor grips the post, the top fixed mounting who grips the post has the controller one side of controller be equipped with grip post fixed connection's battery. The lower part of the driving motor is provided with a sleeve frame fixedly connected with a groove column, a plurality of guide columns are fixedly connected with the sleeve frame, the bottom ends of the groove columns are fixedly provided with a chassis, a plurality of guide columns are fixedly connected with the chassis, one side of one guide column is provided with a distance sensor near the chassis, and the distance sensor is fixedly connected with the chassis.
When the technology is used, the driving motor drives the screw rod to rotate, the sleeve joint block can drive the ring groove plate to move downwards, and the linkage hole ring enables the sampling cavity channel pipes to move downwards synchronously. The limiting groove cylinder slides downwards along the outer wall of the guide post, the annular groove plate drives the linkage electric cylinder to move downwards, the linkage electric cylinder can move downwards along with the annular groove plate, the connecting ring moves downwards, the connecting ring drives a plurality of L-shaped strips to move downwards, the peripheral baffle cylinder drives the connecting block to move downwards in a linkage manner, the connecting block drives the hole frame to enable the linkage ring to move downwards, and the limiting groove cylinder and the sealing rubber ring can be synchronously inserted into a chemical production detection liquid container, and meanwhile the distance sensor can sense the distance of the bottom end of the limiting groove cylinder. When the distance value sensed by the distance sensor is the same as the distance value set by the controller, the driving motor is turned off by the controller, and meanwhile, the limiting groove drums can move to the designated depth position.
The synchronous liquid feeding sealing sampling mechanism comprises linkage electric cylinders fixedly arranged on the upper surface of an annular groove plate, wherein the output ends of the linkage electric cylinders are fixedly connected with connecting rings, the outer walls of the output ends of the linkage electric cylinders are in sliding connection with the annular groove plate, the lower surfaces of the connecting rings are fixedly connected with a plurality of L-shaped strips, the bottom ends of the L-shaped strips are fixedly connected with peripheral baffle cylinders, the upper surface and the lower surface of each peripheral baffle cylinder are fixedly connected with outer expansion baffle cylinders, one side of the inner wall of each peripheral baffle cylinder is fixedly connected with a connecting block, one side of each connecting block is fixedly connected with a hole frame, the inner wall of each hole frame is adhered with a guide frame, each hole frame is fixedly connected with each linkage ring, the outer walls of the peripheral baffle cylinders are fixedly connected with sleeve blocks at positions of the adjacent sides of the L-shaped strips, the inner walls of the sleeve blocks are fixedly connected with supporting rods, the two outer expansion baffle cylinders are fixedly connected with the supporting rods, and the upper surface of each guide frame is fixedly provided with a sensing block. The L-shaped strips are distributed and arranged at equal intervals in a circular ring, and the vertical section of each L-shaped strip is L-shaped.
When the technology is used, the controller starts the linkage cylinder, the linkage cylinder pushes the connecting ring to move downwards, the L-shaped strip drives the peripheral baffle cylinder to move downwards, and the peripheral baffle cylinder can enable the sleeve block to move downwards. The peripheral baffle cylinder drives the connecting block to move downwards, the connecting block enables the hole frame to move downwards, the hole frame can drive the linkage ring to move downwards, and the sealing glue ring slides downwards from the outer wall of the limiting groove cylinder. The limiting cavity in the limiting groove barrel is opened, so that the limiting cavity can be filled with the chemical production detection liquid at the depth position, and meanwhile, the chemical production detection liquid in an external range can be blocked through the two outer expansion blocking barrels and the outer peripheral blocking barrels, and the chemical production detection liquid at the depth position can be accurately sampled by the limiting cavity.
The position-changing sampling sensing assembly comprises a support fixedly arranged at the bottom end of a limiting groove drum, a groove body is formed in one side of the inner wall of the support, a lower pressure sensor is installed at the top end of the inner wall of the groove body, the lower pressure sensor is fixedly connected with the support, a sleeve-joint support is fixedly connected to one side of the support, and an upper pressure sensor is fixedly arranged at the top end of the inner wall of the sleeve-joint support. The center point of the output end of the upper pressure sensor and the center point of the output end of the lower pressure sensor are positioned in the same vertical line, and the sleeve joint support is used for supporting the upper pressure sensor.
When the technology is used, the sensing block is close to the position of the lower pressure sensor, the support supports the lower pressure sensor in the groove body, and the sensing block starts to move downwards to be in extrusion contact with the sensing end of the lower pressure sensor. Therefore, the controller can continuously start the linkage cylinder to drive the connecting ring to move upwards, the plurality of L-shaped strips respectively drive the plurality of peripheral baffle cylinders to move upwards synchronously, the connecting blocks enable the hole frame to move upwards, and the hole frame drives the guide frame to move upwards. The linkage ring drives the sealing gum ring to move upwards, so that the sealing gum ring can encapsulate the outer wall of the limiting groove barrel, chemical production detection liquid can be filled in the limiting groove barrel, external sealing isolation is realized, and the chemical production detection liquid at the depth position can be sealed into the limiting cavity for storage and sampling. When the sensing block contacts the sensing end of the upper pressure sensor, the connecting electric cylinder is immediately closed by the controller.
The invention has the technical effects and advantages that:
1. According to the invention, the multi-cavity synchronous sealing positioning sampling mechanism is adopted, the driving motor drives the screw rod to rotate, the screw rod rotates in the groove column, the sleeve joint block drives the annular groove plate to move downwards, the annular groove plate drives the linkage hole ring to move downwards, the sampling cavity pipe drives the limiting groove cylinder to move downwards, the limiting groove cylinder enters the chemical production detection liquid container, the annular groove plate drives the linkage cylinder to move downwards, the connecting ring drives the plurality of L-shaped strips to move downwards, the L-shaped strips drive the peripheral baffle cylinder to move downwards, the limiting groove cylinder and the sealant ring can be synchronously inserted into the chemical production detection liquid container, the distance value sensed by the distance sensor is the same as the distance value set by the controller, the driving motor is closed by the controller, the plurality of limiting groove cylinders can be sealed and enter into the sampling position of the designated depth, the sampling liquid is ensured to be the sampling sample at the position, the synchronous static sealing sampling of the chemical production detection liquid can be realized, and the sampling accuracy is greatly improved.
2. According to the invention, the same-step liquid seal sampling mechanism is utilized, the connecting ring is pushed by the linkage cylinder to move downwards, the connecting ring drives the plurality of L-shaped strips to move downwards synchronously, the peripheral baffle cylinders drive the two outer expansion baffle cylinders to move downwards synchronously, the peripheral baffle cylinders drive the connecting block to move downwards, the connecting block drives the hole frame to move downwards, the linkage ring drives the sealing glue ring to move downwards, the sealing glue ring slides downwards from the outer wall of the limiting groove cylinder, a limiting cavity in the limiting groove cylinder is opened, the chemical production detection liquid can be filled in the limiting cavity at the depth position, the chemical production detection liquid in the outer range can be blocked through the two outer expansion baffle cylinders and the peripheral baffle cylinders, the impact flow of the outer chemical production detection liquid is avoided, the plurality of limiting cavities can sample the chemical production detection liquid at the depth position, the sampling position is prevented from generating larger flow change, the synchronous static closed sampling of a plurality of cavities can be realized, and the sampling accuracy is greatly improved.
3. According to the invention, the hole frame drives the sensing block to move downwards through the displacement sampling sensing assembly, the sensing block is close to the position of the downward pressure sensor, the bracket supports the downward pressure sensor in the groove body, so that the sensing block is not contacted with the upper pressure sensor any more, the sensing block starts to move downwards to be in extrusion contact with the sensing end of the downward pressure sensor, the linkage cylinder is started to drive the connecting ring to move upwards until the sealing rubber ring can encapsulate the outer wall of the limiting groove barrel, the chemical production detection liquid can be filled in the limiting groove barrel, external sealing is realized, after the upper pressure sensor senses the pressure value, the linkage cylinder is immediately closed through the controller, the chemical production detection liquid at the position of the depth can be rapidly sampled by the limiting cavity, then closed sampling is continuously carried out at the position of the limiting cavity, synchronous static closed sampling of the chemical production detection liquid can be accurately realized, and the sampling accuracy is greatly improved.
According to the mutual influence of the functions, firstly, the limiting groove barrels can be sealed to enter a sampling position with a designated depth, secondly, the chemical production detection liquid can be filled in the limiting cavity at the position with the designated depth, the chemical production detection liquid in an external range can be blocked through the two outer expansion baffle barrels and the peripheral baffle barrels, the limiting cavity is sealed again, finally, the sensing block starts to move downwards to be in extrusion contact with the sensing end of the lower pressure sensor, the linkage cylinder is started to drive the connecting ring to move upwards, and the linkage cylinder is immediately closed through the controller after the upper pressure sensor senses a pressure value. To sum up and make a plurality of spacing chambeies can accurate sample this degree of depth position department chemical industry production detect liquid, avoid the sample position to take place great flow change, also avoid outside chemical industry production to detect liquid and cause impact flow to disturb, can realize the synchronous static sealed sample of multicavity way to chemical industry production detect liquid, improve the sample accuracy nature by a wide margin.
Drawings
FIG. 1 is a schematic diagram of the whole main view structure of a multi-cavity sampler for chemical production detection.
Fig. 2 is a schematic view of a cut-off partial structure of a connection between a guide post and a ferrule of the present invention.
Fig. 3 is a schematic view of a vertical section partial structure of a peripheral shield of the present invention.
Fig. 4 is a schematic view of a vertical section cut-off partial structure of a joint of a peripheral baffle cylinder and an external expansion baffle cylinder.
Fig. 5 is a schematic view showing the structure of the multi-cavity sampler for chemical production detection.
Fig. 6 is an enlarged schematic view of the structure of fig. 3a according to the present invention.
Fig. 7 is a schematic view of a cut-off partial structure of a joint between a slot column and a chassis of the present invention.
FIG. 8 is a schematic view of a cut-away, partial structure of a vertical section of the connection of the connecting ring and the L-shaped strip of the present invention.
Fig. 9 is a schematic view of a vertical section cut-off partial structure of a joint of a limit groove drum and a bracket.
FIG. 10 is a schematic diagram of a front view of a displacement sampling sensor assembly according to the present invention.
The device comprises a groove column, a screw rod, a driving motor, a sleeve joint block, a ring groove plate, a linkage hole ring, a 7-sampling cavity pipe, a guide column, a 9-limiting groove cylinder, a 10-limiting cavity, a 11-sealing glue ring, a 12-linkage ring, a 13-holding column, a 14-controller, a 15, a battery, a 16-sampling pump, a 17-extraction pipe, a 18-sampling bottle, a 19-sleeve frame, a 20-chassis, a 21-distance sensor, a 22-linkage electric cylinder, a 23-connecting ring, a 24-L-shaped strip, a 25-peripheral baffle cylinder, a 26-outer expansion baffle cylinder, a 27-connecting block, a 28-hole frame, a 29-guiding frame, a 30-sleeve block, a 31-strut, a 32-sensing block, a 33-strut, a 34-groove body, a 35-lower pressure sensor, a 36-sleeve joint bracket and a 37-upper pressure sensor.
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 multi-cavity sampler for chemical production detection is provided with a multi-cavity synchronous closed positioning sampling mechanism, a synchronous liquid inlet sealed sampling mechanism and a deflection sampling sensing assembly, wherein the multi-cavity synchronous closed positioning sampling mechanism, the synchronous liquid inlet sealed sampling mechanism and the deflection sampling sensing assembly are arranged on the multi-cavity sampler for chemical production detection, so that chemical production detection liquid at the depth position is accurately sampled by a plurality of limiting cavities 10, larger flow change of the sampling position is avoided, impact flow interference caused by external chemical production detection liquid is also avoided, synchronous static closed sampling of the multi-cavity can be realized on the chemical production detection liquid, the sampling accuracy is greatly improved, and the specific structures of the mechanisms and the assemblies are as follows.
In the technical scheme, as shown in figures 1-6, a multi-channel synchronous closed positioning sampling mechanism is arranged on the outer wall of a screw rod 2, the multi-channel synchronous closed positioning sampling mechanism comprises a sleeve joint block 4 which is arranged on the outer wall of the screw rod 2 in a threaded manner, the sleeve joint block 4 is in sliding connection with a groove column 1, one side of the sleeve joint block 4 is fixedly connected with a ring groove plate 5, one end part of the ring groove plate 5 is fixedly connected with a linkage hole ring 6, the inner wall of the linkage hole ring 6 is fixedly connected with a plurality of sampling cavity tubes 7, one side of each sampling cavity tube 7 is provided with a guide column 8, the outer wall of the guide column 8 is in sliding connection with a limit groove barrel 9, the limit groove barrel 9 is fixedly connected with the sampling cavity tubes 7, a limit cavity 10 is formed in the limit groove barrel 9, the outer wall of the limit groove barrel 9 is in sliding connection with a sealant ring 11, the outer wall of the sealant ring 11 is adhered with a linkage ring 12, the upper surface of the ring groove plate 5 is provided with a same-step liquid seal sampling mechanism, and the bottom end of the limit groove barrel 9 is provided with a displacement sampling sensing assembly. The output end of the driving motor 3 is fixedly connected with the screw rod 2, the outer wall of the sleeving block 4 and the inner wall of the groove column 1 are smooth surfaces, and the sampling cavity pipes 7 are distributed and arranged in an equidistant mode in a circular ring. The guide posts 8 are distributed and arranged at equal intervals in a circular ring, and gaps are formed between the bottom end of the sampling cavity tube 7 and the bottom end of the inner wall of the limit groove drum 9.
In this technical scheme, as shown in fig. 1-6, the outer wall of the driving motor 3 is fixedly connected with a holding column 13, the top end of the holding column 13 is fixedly provided with a controller 14, one side of the controller 14 is provided with a battery 15 fixedly connected with the holding column 13, so that a sampler can hold the hand on the outer wall of the holding column 13, the holding column 13 can move downwards, the holding column 13 drives the driving motor 3 to move downwards, the controller 14 is powered by the battery 15, and the controller 14 starts the driving motor 3 to realize the driving operation of the driving motor 3.
The top of every sampling cavity pipe 7 all fixedly communicates there is the sampling pump 16, and the output fixedly connected with extraction pipe 17 of sampling pump 16, and the outer wall threaded connection of extraction pipe 17 has the sample bottle 18, and driving motor 3's below is equipped with the cover frame 19 with groove column 1 fixed connection, fixed connection between a plurality of guide posts 8 and the cover frame 19. So that the controller 14 synchronously starts the sampling pumps 16, the sampling cavity pipes 7 respectively pump the chemical production detection liquid sealed in the limiting groove barrel 9, and the multi-cavity sampling operation can be realized on the chemical production detection liquid at different positions. Simultaneously, the groove column 1 supports the sleeve frame 19, and the sleeve frame 19 supports the guide columns 8, so that stable supporting force can be provided for the guide columns 8.
In this technical scheme, as shown in fig. 7, chassis 20 is fixed to the bottom fixed mounting of groove column 1, fixed connection between a plurality of guide posts 8 and chassis 20, one side of one of them guide post 8 and be close to chassis 20 position department and be equipped with distance sensor 21, fixed connection between distance sensor 21 and the chassis 20, so that groove column 1 drives chassis 20 and moves down, chassis 20 contacts in the chemical production detects the liquid container, simultaneously the laminating of chassis 20 bottom is in container inner wall bottom, simultaneously distance sensor 21 can carry out distance sensing to spacing groove section of thick bamboo 9 bottom. When the distance value sensed by the distance sensor 21 is the same as the distance value set by the controller 14, the driving motor 3 is turned off by the controller 14.
In the technical scheme, as shown in fig. 4-8, the synchronous liquid feeding sealing sampling mechanism comprises a linkage electric cylinder 22 fixedly arranged on the upper surface of a ring groove plate 5, wherein the output end of the linkage electric cylinder 22 is fixedly connected with a connecting ring 23, the outer wall of the output end of the linkage electric cylinder 22 is in sliding connection with the ring groove plate 5, the lower surface of the connecting ring 23 is fixedly connected with a plurality of L-shaped strips 24, the bottom ends of the L-shaped strips 24 are fixedly connected with peripheral baffle cylinders 25, and the upper surface and the lower surface of each peripheral baffle cylinder 25 are fixedly connected with an outer expansion baffle cylinder 26.
A connecting block 27 is fixedly connected to one side of the inner wall of the peripheral baffle cylinder 25, a hole frame 28 is fixedly connected to one side of the connecting block 27, a guide frame 29 is adhered to the inner wall of the hole frame 28, the hole frame 28 is fixedly connected with the linkage ring 12, a sleeve block 30 is fixedly connected to the outer wall of the peripheral baffle cylinder 25 and positioned at the position adjacent to one side of the L-shaped strip 24, a supporting rod 31 is slidably connected to the inner wall of the sleeve block 30, two outer expansion baffle cylinders 26 are fixedly connected with the supporting rod 31, and an induction block 32 is fixedly arranged on the upper surface of the guide frame 29. The plurality of L-shaped strips 24 are distributed and arranged in an equidistant way, and the vertical section of the L-shaped strips 24 is L-shaped.
In the technical scheme, as shown in fig. 9-10, the deflection sampling sensing assembly comprises a support 33 fixedly arranged at the bottom end of a limiting groove drum 9, a groove body 34 is formed in one side of the inner wall of the support 33, a lower pressure sensor 35 is arranged at the top end of the inner wall of the groove body 34, the lower pressure sensor 35 is fixedly connected with the support 33, a sleeved support 36 is fixedly connected to one side of the support 33, and an upper pressure sensor 37 is fixedly arranged at the top end of the inner wall of the sleeved support 36. The center point of the output end of the upper pressure sensor 37 and the center point of the output end of the lower pressure sensor 35 are positioned in the same vertical line, and the sleeved bracket 36 is used for supporting the upper pressure sensor 37.
The application principle of the multi-cavity sampler for chemical production detection of the invention is as follows:
Step one, when placing, sample personnel's hand is held on the outer wall of holding post 13, can move down and hold post 13, holds post 13 and drives driving motor 3 and move down, driving motor 3 drives groove post 1 and moves down, groove post 1 drives chassis 20 and moves down, and chassis 20 displacement is to chemical production detection liquid container, and simultaneously chassis 20 bottom laminating is in container inner wall bottom, and a plurality of guide posts 8 can be located three position department respectively like this.
And step two, when the multi-cavity synchronous closed positioning sampling is performed, the controller 14 is powered by the battery 15, the controller 14 starts the driving motor 3, the driving motor 3 drives the screw rod 2 to rotate, and the screw rod 2 rotates in the groove column 1. Meanwhile, the screw rod 2 of the driving motor 3 drives the sleeving block 4 to move downwards under the action of the screw transmission force, the sleeving block 4 can drive the annular groove plate 5 to move downwards, the annular groove plate 5 drives the linkage hole ring 6 to move downwards, and the linkage hole ring 6 enables the sampling cavity channel pipes 7 to move downwards synchronously. The sampling cavity tube 7 drives the limit groove drum 9 to move downwards, the limit groove drum 9 slides downwards along the outer wall of the guide post 8, and meanwhile, the limit groove drum 9 enters into a chemical production detection liquid container.
Simultaneously, the annular groove plate 5 drives the linkage cylinder 22 to move downwards, the linkage cylinder 22 can move downwards along with the annular groove plate 5, meanwhile, the connecting ring 23 is also moved downwards, the connecting ring 23 drives the L-shaped strips 24 to move downwards, the L-shaped strips 24 drive the peripheral baffle cylinder 25 to move downwards, the peripheral baffle cylinder 25 drives the connecting block 27 to move downwards in a linkage way, the connecting block 27 drives the hole frame 28 to enable the linkage ring 12 to move downwards, and the linkage ring 12 drives the sealant ring 11 to move downwards synchronously. Like this spacing groove drum 9 and sealing gum ring 11 can insert in the chemical production detects liquid container in step, and distance sensor 21 can carry out distance sensing to spacing groove drum 9 bottom simultaneously. When the distance value sensed by the distance sensor 21 is the same as the distance value set by the controller 14, the driving motor 3 is turned off by the controller 14, and meanwhile, the plurality of limit groove drums 9 can be moved to the specified depth position, and the sealing glue ring 11 and the linkage ring 12 can realize the sealing operation on the outside of the limit groove drums 9, so that the plurality of limit groove drums 9 can be sealed to enter the sampling position of the specified depth.
And step three, when synchronous liquid feeding, sealing sampling and displacement sampling sensing are carried out, the controller 14 is used for starting the linkage cylinder 22, and meanwhile, the annular groove plate 5 is kept motionless, so that the linkage cylinder 22 pushes the connecting ring 23 to move downwards, the connecting ring 23 drives the plurality of L-shaped strips 24 to move downwards synchronously, the L-shaped strips 24 drive the peripheral baffle cylinder 25 to move downwards, the peripheral baffle cylinder 25 drives the two outer expansion baffle cylinders 26 to move downwards synchronously, and the peripheral baffle cylinder 25 can enable the sleeve block 30 to move downwards. Meanwhile, the sleeve block 30 drives the supporting rod 31 to move downwards, the peripheral baffle cylinder 25 drives the connecting block 27 to move downwards, the connecting block 27 enables the hole frame 28 to move downwards, the guide frame 29 is driven to move downwards in the process of moving the hole frame 28 downwards, the hole frame 28 drives the linkage ring 12 to move downwards, the linkage ring 12 drives the sealant ring 11 to move downwards, and the sealant ring 11 slides downwards from the outer wall of the limiting groove cylinder 9. The spacing chamber 10 in the spacing groove section of thick bamboo 9 is opened, and chemical production detects liquid and can fill up spacing chamber 10 in this degree of depth position department like this, simultaneously can block the chemical production detection liquid of outside scope through two outer fender section of thick bamboo 26 and peripheral fender section of thick bamboo 25, avoids other mobilized chemical production detection liquid to strike spacing chamber 10 position departments, and chemical production detection liquid of this degree of depth position department of this degree of spacing chamber 10 accurate sampling.
When the hole frame 28 drives the sensing block 32 to move downwards, the sensing block 32 approaches to the position of the lower pressure sensor 35, meanwhile, the limiting groove drum 9 supports the support 33, and the support 33 supports the lower pressure sensor 35 inside the groove body 34, so that the sensing block 32 is not contacted with the upper pressure sensor 37 any more, and the sensing block 32 starts to move downwards to be in extrusion contact with the sensing end of the lower pressure sensor 35. Thus, the controller 14 can continuously start the linkage cylinder 22 to drive the connecting ring 23 to move upwards, the connecting ring 23 drives the plurality of L-shaped strips 24 to move upwards, the plurality of L-shaped strips 24 respectively drive the plurality of peripheral baffle cylinders 25 to move upwards synchronously, the peripheral baffle cylinders 25 drive the connecting blocks 27 to move upwards, the connecting blocks 27 enable the hole frames 28 to move upwards, and the hole frames 28 drive the guide frames 29 to move upwards.
Simultaneously, the hole frame 28 drives the linkage ring 12 to move upwards, and the linkage ring 12 drives the sealant ring 11 to move upwards, so that the sealant ring 11 can encapsulate the outer wall of the limit groove drum 9, the inside of the limit groove drum 9 can be filled with chemical production detection liquid, external sealing isolation is realized, the chemical production detection liquid at the depth position can be sealed into the inside of the limit cavity 10 for storage and sampling. When the sensing block 32 contacts with the sensing end of the upper pressure sensor 37, the support 33 supports the sleeving support 36, the sleeving support 36 supports the upper pressure sensor 37, and after the upper pressure sensor 37 senses the pressure value, the controller 14 immediately closes the connecting cylinder 22.
And step four, when sampling and storing, a plurality of sampling pumps 16 are synchronously started through the controller 14, so that the chemical production detection liquid sealed in the limiting groove drum 9 is extracted by the plurality of sampling cavity duct pipes 7 respectively, the chemical production detection liquid enters the sampling pumps 16 along the sampling cavity duct pipes 7, is conveyed into the extracting pipes 17 by the sampling pumps 16, and is filled into the sampling bottles 18 by the extracting pipes 17. The sampling bottle 18 can realize storing operation to chemical production detection liquid, realizes a plurality of sampling cavity way pipes 7, can realize multi-cavity way sampling operation to chemical production detection liquid of different positions department, rotates sampling bottle 18 after the sample finishes, and screw thread separation can send the appointed detection room with sampling bottle 18 to detect between sampling bottle 18 and the extraction pipe 17.
The details not described in detail in the specification belong to the prior art known to those skilled in the art, and model parameters of each electric appliance are not specifically limited, and conventional equipment is used.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The multi-cavity sampler for chemical production detection comprises a grooved column (1), wherein the inner wall of the grooved column (1) is rotationally connected with a screw rod (2), a driving motor (3) is fixedly arranged at the top end of the grooved column (1), and the driving motor (3) is used for driving the screw rod (2) to rotate, and is characterized in that the outer wall of the screw rod (2) is provided with a multi-cavity synchronous closed positioning sampling mechanism;
The multi-cavity synchronous closed positioning sampling mechanism comprises a sleeve joint block (4) which is arranged on the outer wall of the screw rod (2) in a threaded manner, the sleeve joint block (4) is connected with the groove column (1) in a sliding manner, one side of the sleeve joint block (4) is fixedly connected with a ring groove plate (5), and one end part of the ring groove plate (5) is fixedly connected with a linkage hole ring (6);
the inner wall of the linkage hole ring (6) is fixedly connected with a plurality of sampling cavity pipes (7), one side of each sampling cavity pipe (7) is provided with a guide column (8), the outer wall of each guide column (8) is slidably connected with a limit groove drum (9), and the limit groove drums (9) are fixedly connected with the sampling cavity pipes (7);
A limiting cavity (10) is formed in the limiting groove barrel (9), the outer wall of the limiting groove barrel (9) is connected with a sealing glue ring (11) in a sliding mode, and a linkage ring (12) is bonded on the outer wall of the sealing glue ring (11);
the upper surface of the annular groove plate (5) is provided with a synchronous liquid-sealing sampling mechanism, and the synchronous liquid-feeding sealing sampling mechanism comprises a linkage electric cylinder (22) fixedly arranged on the upper surface of the annular groove plate (5);
The output end of the linkage electric cylinder (22) is fixedly connected with a connecting ring (23), the outer wall of the output end of the linkage electric cylinder (22) is in sliding connection with the annular groove plate (5), the lower surface of the connecting ring (23) is fixedly connected with a plurality of L-shaped strips (24), the bottom ends of the L-shaped strips (24) are fixedly connected with peripheral baffle cylinders (25), the upper surface and the lower surface of each peripheral baffle cylinder (25) are fixedly connected with outer expansion baffle cylinders (26), and one side of the inner wall of each peripheral baffle cylinder (25) is fixedly connected with a connecting block (27);
One side of the connecting block (27) is fixedly connected with a hole frame (28), the inner wall of the hole frame (28) is adhered with a guide frame (29), the hole frame (28) is fixedly connected with the linkage ring (12), a sleeve block (30) is fixedly connected to the outer wall of the peripheral baffle cylinder (25) and positioned at the position of one side adjacent to the L-shaped strip (24), a supporting rod (31) is slidably connected to the inner wall of the sleeve block (30), and two outer expansion baffle cylinders (26) are fixedly connected with the supporting rod (31);
The upper surface of the guide frame (29) is fixedly provided with induction blocks (32), a plurality of L-shaped strips (24) are distributed and arranged in an equidistant way in a circular ring, and the vertical section of each L-shaped strip (24) is L-shaped;
the bottom of the limiting groove cylinder (9) is provided with a deflection sampling sensing component.
2. The multi-cavity sampler for chemical production detection according to claim 1 is characterized in that the output end of the driving motor (3) is fixedly connected with the screw (2), and the outer wall of the sleeve joint block (4) and the inner wall of the groove column (1) are smooth surfaces;
the sampling cavity pipes (7) are distributed and arranged in an equidistant mode in a circular ring.
3. The multi-cavity sampler for chemical production detection according to claim 1 is characterized in that a plurality of guide posts (8) are distributed and arranged in an equidistant way in a circular ring, and gaps are arranged between the bottom end of a sampling cavity pipe (7) and the bottom end of the inner wall of a limit groove drum (9).
4. The multi-cavity sampler for chemical production detection according to claim 1, wherein the outer wall of the driving motor (3) is fixedly connected with a holding column (13), a controller (14) is fixedly arranged at the top end of the holding column (13), and a battery (15) fixedly connected with the holding column (13) is arranged at one side of the controller (14).
5. The multi-cavity sampler for chemical production detection according to claim 1 is characterized in that the top end of each sampling cavity pipe (7) is fixedly communicated with a sampling pump (16), the output end of each sampling pump (16) is fixedly connected with an extraction pipe (17), and the outer wall of each extraction pipe (17) is in threaded connection with a sampling bottle (18);
the lower part of the driving motor (3) is provided with a sleeve frame (19) fixedly connected with the groove column (1), and a plurality of guide columns (8) are fixedly connected with the sleeve frame (19).
6. The multi-cavity sampler for chemical production detection according to claim 1, wherein a chassis (20) is fixedly arranged at the bottom end of the groove column (1), a plurality of guide columns (8) are fixedly connected with the chassis (20), a distance sensor (21) is arranged at one side of one guide column (8) and at a position close to the chassis (20), and the distance sensor (21) is fixedly connected with the chassis (20).
7. The multi-cavity sampler for chemical production detection according to claim 1, wherein the displacement sampling sensing assembly comprises a bracket (33) fixedly arranged at the bottom end of a limiting groove drum (9);
A groove body (34) is formed in one side of the inner wall of the bracket (33), a lower pressure sensor (35) is arranged at the top end of the inner wall of the groove body (34), and the lower pressure sensor (35) is fixedly connected with the bracket (33);
one side of the support (33) is fixedly connected with a sleeve support (36), and an upper pressure sensor (37) is fixedly arranged at the top end of the inner wall of the sleeve support (36).
8. The multi-cavity sampler for chemical production detection as claimed in claim 7 is characterized in that the center point of the output end of the upper pressure sensor (37) and the center point of the output end of the lower pressure sensor (35) are positioned in the same vertical line, and the sleeving support (36) is used for supporting the upper pressure sensor (37).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411855758.3A CN119334699B (en) | 2024-12-17 | 2024-12-17 | Multi-cavity sampler for chemical production detection |
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| CN220772663U (en) * | 2023-08-30 | 2024-04-12 | 黑龙江省水文水资源中心佳木斯分中心 | Sampler for water quality depth spot check |
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| CN111579310A (en) * | 2020-06-16 | 2020-08-25 | 江苏中勘地质勘查有限公司 | Automatic return type water collection device based on hydrological exploration and working method thereof |
| CN113834698B (en) * | 2021-09-26 | 2022-04-19 | 生态环境部南京环境科学研究所 | Shallow groundwater pollutant monitoring system |
| CN117347115B (en) * | 2023-12-05 | 2024-02-27 | 四川绵竹川润化工有限公司 | Multi-cavity sampling device for sewage water quality detection |
| CN221707034U (en) * | 2023-12-12 | 2024-09-13 | 广州邦鑫海洋技术有限公司 | Environment detection water sample sampler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN220772663U (en) * | 2023-08-30 | 2024-04-12 | 黑龙江省水文水资源中心佳木斯分中心 | Sampler for water quality depth spot check |
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