CN116609132A - Unidirectional negative pressure adsorption sampling and filtering device - Google Patents
Unidirectional negative pressure adsorption sampling and filtering device Download PDFInfo
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- CN116609132A CN116609132A CN202310689439.9A CN202310689439A CN116609132A CN 116609132 A CN116609132 A CN 116609132A CN 202310689439 A CN202310689439 A CN 202310689439A CN 116609132 A CN116609132 A CN 116609132A
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- 238000005070 sampling Methods 0.000 title claims abstract description 78
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 title claims description 22
- 238000005553 drilling Methods 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims description 42
- 239000000919 ceramic Substances 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 26
- 239000004033 plastic Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 86
- 230000000694 effects Effects 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 14
- 239000012535 impurity Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000012488 sample solution Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of sampling equipment, in particular to a unidirectional negative pressure adsorption sampling filter device which comprises a mounting frame, wherein one end of the mounting frame is fixedly connected with a controller, the other end of the mounting frame is fixedly connected with a sampling device, and the other end of the sampling device penetrates through the outside of the mounting frame and is fixedly connected with the mounting frame; through setting up sampling device, this sampling device will bore holes and the structure integration of taking a sample in an organic whole, the effectual occupation volume that has reduced current drilling equipment and sampling equipment, this has reduced staff and has carried the burden, and this also can carry out the sample work of soil solution when the drilling is accomplished simultaneously, also need not to worry the too big condition in clearance between sampling equipment and the soil to ensure that soil solution can effectually be adsorbed by the negative pressure, and then reach the effect that improves the soil solution acquisition rate.
Description
Technical Field
The invention relates to the technical field of sampling equipment, in particular to a unidirectional negative pressure adsorption sampling filter device.
Background
Soil solutions are a generic term for soil moisture and its contained solutes and suspended matter, and are an important constituent of soil. It mainly comes from precipitation and irrigation and groundwater of 2-3 m near the ground, it is a main source of plant nutrients and also a mediator of migration of contaminants entering the soil to other environmental layers. The water holding capacities of different soils are different, the moisture of the sandy soil is easy to run off, and the moisture of the clay is not easy to run off. In soil and groundwater pollution investigation, people know the pollution conditions of soil and groundwater mainly by extracting soil solution and then researching and analyzing the soil solution. Currently, sampling personnel mostly adopt a soil solution sampler to extract soil solution. The common soil solution sampler is composed of a sampling head with a filtering function, a one-way valve, a collecting bottle, a vacuum negative pressure pump and a connecting pipeline. The operation flow is as follows: the sampling head is vertically inserted into a drill hole which is formed in advance, then a vacuum negative pressure pump is started to pump gas in the collecting bottle to a specified kilopascal, the external gas can bring soil solution into the sampling head together when entering the sampling head through soil, and the soil solution enters the collecting bottle after passing through the sampling head.
Because current soil solution sampler when the staff is in the soil solution of field collection, the staff not only needs to carry the soil sampler, and the staff still needs to carry corresponding drilling equipment, and the staff's carry burden is great to current soil solution sampler's sample depth is fixed, and when the staff need sample the soil solution of different degree of depth, the staff just needs to prepare the soil solution sampler of corresponding specification in advance, further increased the burden that the staff sampled the soil solution.
Disclosure of Invention
The invention aims to solve the problems that the conventional negative pressure type soil sampling device is complicated to use and has fixed specification, and the requirements of sampling staff cannot be met.
The invention realizes the aim through the following technical scheme that the unidirectional negative pressure adsorption sampling filter device comprises a mounting frame, wherein one end of the mounting frame is fixedly connected with a controller, the other end of the mounting frame is fixedly connected with a sampling device, and the other end of the sampling device penetrates through the outside of the mounting frame and is fixedly connected with the mounting frame; wherein, sampling device includes drilling mechanism and negative pressure sampling mechanism, drilling mechanism fixed connection is in the other end of mounting bracket, negative pressure sampling mechanism fixed connection is in the one end of mounting bracket, negative pressure sampling mechanism's the other end runs through mounting bracket and drilling mechanism in proper order and extends to drilling mechanism's outside, through setting up sampling device, this sampling device is integrated in an organic whole with the structure of drilling and sample, the effectual occupation volume that has reduced current drilling equipment and sampling equipment, this has reduced staff and has carried the burden, this sample work that also can carry out soil solution when drilling is finished simultaneously, also need not to worry the too big condition in clearance between sampling equipment and the soil, so as to ensure that soil solution can effectually be adsorbed by the negative pressure, and then reach the effect that improves soil solution collection rate.
Preferably, the drilling mechanism comprises a servo motor fixedly connected to the other end of the mounting frame, an output shaft of the servo motor is fixedly connected with a telescopic assembly, an indicating assembly is arranged in the telescopic assembly, the other end of the telescopic assembly is connected with a drill bit in a threaded manner, and by arranging the drilling mechanism, a worker can accurately adjust the total length of the telescopic assembly according to the indicating assembly, so that the servo motor can drive the drill bit to drill into soil with corresponding depth through the telescopic assembly, and the drilling mechanism with various corresponding specifications is not required to be prepared, so that the application range of the drilling mechanism is enlarged, and meanwhile, the carrying burden of the worker is further reduced;
the telescopic component comprises a first threaded pipe fixedly connected to an output shaft of the servo motor, the other end of the first threaded pipe is fixedly connected and communicated with a guide frame, the surface of the guide frame is slidably connected with a guide pipe, the horizontal section of the guide frame and the horizontal section of the inner wall of the guide pipe are rectangular, a drill bit is in threaded connection with the other end of the guide pipe, an installation cavity is arranged on the surface of the guide pipe, a first threaded sleeve which is rotationally connected to the inner wall of the installation cavity is in threaded connection with the surface of the first threaded pipe, a bevel gear ring is fixedly connected to the surface of the first threaded sleeve, and a bevel gear shaft which is rotationally connected with the installation cavity is meshed with the surface of the bevel gear ring, so that a worker can stably adjust the relative position of the first threaded pipe and the guide pipe, and the worker can adjust the work more easily;
the surface of the drill bit is provided with a T-shaped channel, so that the communication area between the negative pressure sampling mechanism and the outside can be increased, and the negative pressure sampling range is enlarged;
the utility model provides a soil sample collection device, including the vacuum negative pressure pump of mounting bracket one end, the air inlet end fixed connection and the intercommunication of vacuum negative pressure pump have rotary joint, the rotary joint other end runs through to the inside of mounting bracket and with servo motor output shaft fixed connection, rotary joint's the other end fixed connection and intercommunication have spiral hose, the other end of spiral hose runs through servo motor's output shaft, leading to the inside of pipe in proper order, leading to the other end fixed connection and the intercommunication of pipe have quantitative subassembly, quantitative subassembly's the other end grafting and intercommunication have the collecting bottle, the other end fixed connection and the intercommunication of collecting bottle have unidirectional component, unidirectional component's the other end grafting and intercommunication have the three-way pipe, the other both ends of three-way pipe run through to T shape passageway's inside and with T shape passageway fixed connection, the equal threaded connection in other both ends of three-way pipe has filter assembly, through setting up negative pressure sampling device, and the soil solution of staff's accessible vacuum negative pressure pump with corresponding degree of depth is absorbed in the collecting bottle, and simultaneously filter the impurity such as soil in the soil solution to reduce these and stop structure or to detect the subsequent soil sample collection device, and can further prevent soil sample solution to the soil sample collection device from stopping the soil sample volume, and can further the soil sample solution to the soil sample collection device.
Preferably, the other end of the bevel gear shaft is fixedly connected with an adjusting module which is rotationally connected with the inner wall of the installation cavity, and positioning grooves which are annularly distributed around the center point of the bevel gear shaft and are communicated with the installation cavity are formed in the guide pipe; the adjusting module comprises an adjusting block fixedly connected to the other end of the bevel gear shaft and rotationally connected to the inner wall of the mounting cavity, an adjusting groove is formed in the other end of the adjusting block, a transmission cavity is formed in the surface of the adjusting block, one of the positioning grooves and the adjusting groove are communicated with the transmission cavity, a spur gear is rotationally connected to the inner wall of the transmission cavity, one end of the spur gear is connected with a first rack in a meshed mode and connected to the inner wall of the transmission cavity in a sliding mode, one end of the first rack penetrates into the adjusting groove, the first rack is arranged in a right triangle shape in the horizontal section of the adjusting groove, the inclined surface of the first rack faces away from the bevel gear shaft, a metal spring in contact with the transmission cavity is fixedly connected to the other end of the first rack, the metal spring is always in a compressed state, the other end of the spur gear is connected with a second rack in a meshed mode and connected with a positioning block in a sliding mode, the other end of the positioning block penetrates through the transmission cavity and is connected with the positioning groove in an inserting mode, and the whole length of a telescopic assembly can be firmly locked by a telescopic servo assembly through a telescopic servo assembly.
Preferably, the surface embedding of regulating block install with adjacent the shell fragment of constant head tank joint, the vertical cross-section shape of shell fragment is the V-arrangement, and this success rate that can increase locating piece and constant head tank to be connected, and then has improved the practicality of whole regulating module.
Preferably, the indicating assembly comprises an annular belt and a magnifier, the annular belt is fixedly connected to the surface of the guide frame, the surface of the annular belt is provided with uniformly distributed scales, the inner wall transmission of the annular belt is connected with two pulleys which are rotationally connected to the inner wall of the guide pipe, the magnifier is embedded and mounted on the inner wall of the guide pipe, one end of the magnifier is in non-pressure contact with the annular belt, and the other end of the magnifier penetrates through the outer part of the guide pipe and is flush with the surface of the guide pipe, so that a worker can accurately adjust the whole length of the telescopic assembly, and the adjusting difficulty of the worker is reduced.
Preferably, the quantitative assembly comprises a connecting cylinder fixedly connected with the other end of the spiral hose and communicated with the other end of the spiral hose, the connecting cylinder is fixedly connected with the inner wall of the guide pipe, a T-shaped column is slidably connected with the inner bottom wall of the connecting cylinder, a floating plate is slidably connected with the surface of the T-shaped column, a waterproof pressure sensor is embedded and installed in the inner top wall of the connecting cylinder, the other end of the connecting cylinder is fixedly connected with and communicated with a first tower joint, the other end of the first tower joint is clamped with and communicated with a first tower joint sleeve, the other end of the first tower joint sleeve is fixedly connected with and communicated with a collecting bottle, and the vacuum negative pressure pump can pump a sufficient amount of soil solution and feed back to a worker so that the worker can timely complete sampling work to ensure the efficiency of sampling work.
Preferably, the one-way subassembly includes fixed connection and communicates in the second screwed pipe of connecting cylinder other end, the surface threaded connection of second screwed pipe has the second thread bush, the inner wall of second screwed bush peg graft have with the second pagoda joint of second screwed pipe grafting, the other end joint and the intercommunication of second pagoda joint have the second pagoda to connect the cover, the other end and the three-way pipe fixed connection and the intercommunication of second pagoda connect the cover, the inner wall fixedly connected with of second pagoda connects and is the elasticity check diaphragm that annular distribution around the second pagoda joint, adjacent two elasticity check diaphragm contacts, and all elasticity check diaphragm combination is in the shape together is the bamboo hat form, this can prevent the soil solution backward flow to ensure the effective collection rate of soil solution.
Preferably, the inner wall fixedly connected with that the second pagoda connects sets up the holding ring in elasticity check diaphragm below, the upper surface of holding ring and the lower surface contact of elasticity check diaphragm, this can improve elasticity check diaphragm compressive capacity to improve elasticity check diaphragm's non return effect.
Preferably, the filter component comprises a ceramic filter which is connected to one adjacent end of the three-way pipe in a threaded manner, the ceramic filter is connected to the inner wall of the T-shaped channel in a sliding manner, an annular groove is formed in the surface of the ceramic filter, a sealing ring which is in contact with the T-shaped channel is embedded in the inner wall of the annular groove, a cross ceramic adjusting piece is fixedly connected to the other end of the ceramic filter, the ceramic filter and the cross ceramic adjusting piece are integrally formed, impurities such as soil and stones can be prevented, the probability that a follow-up structure is blocked by the impurities can be reduced, the step of impurity removal during follow-up detection of workers can be omitted, and the detection burden of the workers is reduced.
Preferably, two placing cavities are formed in the inner wall of the T-shaped channel, the filtering assembly further comprises a plastic spring which is embedded and installed on the inner wall of the placing cavity, the other end of the plastic spring is in contact with the ceramic filter, and the plastic spring is in a compressed state at the moment, so that the ceramic filter can be connected with the three-way pipe more tightly, and the loosening or falling probability of the ceramic filter is reduced.
The beneficial effects of the invention are as follows:
1. through setting up sampling device, this sampling device is integrated in an organic whole with the structure of drilling and sampling, the effectual occupation volume that has reduced current drilling equipment and sampling equipment, this reduces staff's carry burden, and this also can carry out the sampling work of soil solution when the drilling is finished simultaneously, also need not worry the too big condition in clearance between sampling equipment and the soil to ensure that soil solution can be effectual by the negative pressure absorption, and then reach the effect that improves soil solution acquisition rate;
2. by arranging the drilling mechanism, a worker can accurately adjust the overall length of the telescopic assembly according to the indicating assembly, so that the servo motor can drive the drill bit to drill into soil with corresponding depth through the telescopic assembly, the drilling mechanism with corresponding various specifications is not required to be prepared, the application range of the drilling mechanism is enlarged, and meanwhile, the carrying burden of the worker is further reduced;
3. through setting up negative pressure sampling mechanism, staff accessible vacuum negative pressure pump is in the soil solution of corresponding degree of depth is sucked the collecting bottle, simultaneously filtration subassembly filters the impurity such as soil in the soil solution, stone to reduce the influence that these impurity blockked up follow-up structure or to follow-up detection work, and one-way subassembly also can prevent soil solution backward flow, in order to ensure the effective collection rate to soil solution, and when soil solution was collected appointed volume, quantitative subassembly also just triggered by soil solution, the staff can stop the sample work, this can make the sample work more light, further reduction soil solution's sample burden.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of a sampling device according to the present invention;
FIG. 4 is a schematic diagram of a negative pressure sampling mechanism according to the present invention;
FIG. 5 is a schematic view of the connection of the bevel gear ring and the bevel gear shaft in the present invention;
FIG. 6 is a schematic view of a drilling mechanism according to the present invention;
FIG. 7 is an enlarged view of A in FIG. 6;
FIG. 8 is a schematic diagram illustrating the arrangement of the positioning slots according to the present invention;
FIG. 9 is an enlarged view of B in FIG. 8;
FIG. 10 is a schematic view of a partial structural section of the indicating mechanism of the present invention;
FIG. 11 is a schematic cross-sectional view of a dosing assembly of the present invention;
FIG. 12 is a schematic cross-sectional view of a one-way module and a filter module of the present invention;
FIG. 13 is an exploded view of the invention, illustrating a partial structure of the negative pressure sampling mechanism.
In the figure: 1. a mounting frame; 2. a controller; 3. a sampling device; 4. a drilling mechanism; 41. a servo motor; 42. a telescoping assembly; 421. a first threaded pipe; 422. a guide frame; 423. a guide tube; 424. a mounting cavity; 425. a first threaded sleeve; 426. conical gear ring; 427. a bevel gear shaft; 428. an adjustment module; 4281. an adjusting block; 4282. an adjustment tank; 4283. a transmission cavity; 4284. spur gears; 4285. a first rack; 4286. a metal spring; 4287. a second rack; 4288. a positioning block; 4289. a spring plate; 429. a positioning groove; 43. an indication assembly; 431. an endless belt; 432. a scale; 433. a belt wheel; 434. a magnifying glass; 44. a drill bit; 441. a T-shaped channel; 442. a placement cavity; 5. a negative pressure sampling mechanism; 51. a vacuum negative pressure pump; 52. a rotary joint; 53. a spiral hose; 54. a dosing assembly; 541. a connecting cylinder; 542. a T-shaped column; 543. a floating plate; 544. a waterproof pressure sensor; 545. a first pagoda joint; 546. a first pagoda nipple; 55. a collection bottle; 56. a unidirectional component; 561. a second threaded tube; 562. a second threaded sleeve; 563. a second pagoda joint; 564. a second pagoda nipple; 565. an elastic check membrane; 566. a positioning ring; 57. a three-way pipe; 58. a filter assembly; 581. a ceramic filter; 582. a ring groove; 583. a seal ring; 584. a cross ceramic adjusting piece; 585. a plastic spring.
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 specific implementation method comprises the following steps: as shown in fig. 1-13, the unidirectional negative pressure adsorption sampling filter device comprises a mounting frame 1, wherein one end of the mounting frame 1 is fixedly connected with a controller 2, the other end of the mounting frame 1 is fixedly connected with a sampling device 3, and the other end of the sampling device 3 penetrates through the outside of the mounting frame 1 and is fixedly connected with the mounting frame 1; the sampling device 3 comprises a drilling mechanism 4 and a negative pressure sampling mechanism 5, wherein the drilling mechanism 4 is fixedly connected to the other end of the mounting frame 1, the negative pressure sampling mechanism 5 is fixedly connected to one end of the mounting frame 1, and the other end of the negative pressure sampling mechanism 5 sequentially penetrates through the mounting frame 1 and the drilling mechanism 4 and extends to the outside of the drilling mechanism 4.
As shown in fig. 3, 5, 6, 7, 8, 9, 10 and 12, the drilling mechanism 4 includes a servo motor 41 fixedly connected to the other end of the mounting frame 1, an output shaft of the servo motor 41 is fixedly connected with a telescopic assembly 42, an indicating assembly 43 is mounted in the telescopic assembly 42, a drill bit 44 is screwed to the other end of the telescopic assembly 42, and a T-shaped channel 441 is formed in the surface of the drill bit 44.
As shown in fig. 3, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 12, the telescopic component 42 comprises a first threaded pipe 421 fixedly connected to the output shaft of the servo motor 41, the other end of the first threaded pipe 421 is fixedly connected to and communicated with a guide frame 422, the surface of the guide frame 422 is slidably connected with a guide pipe 423, the horizontal cross section shape of the guide frame 422 and the horizontal cross section shape of the inner wall of the guide pipe 423 are rectangular, a drill bit 44 is in threaded connection with the other end of the guide pipe 423, a mounting cavity 424 is mounted on the surface of the guide pipe 423, the surface of the first threaded pipe 421 is in threaded connection with a first threaded sleeve 425 rotatably connected to the inner wall of the mounting cavity 424, the surface of the first threaded sleeve 425 is fixedly connected with a bevel gear ring 426, a bevel gear shaft 427{ the output shaft of the servo motor 41 is fixedly connected with a rubber bellows between the guide pipe 423, the portion of the first threaded pipe 421 outside the guide pipe 423 is arranged on the inner side of the rubber bellows, the inner diameter of the rubber bellows 423 is larger than the inner diameter of the guide pipe 423, and the surface of the first threaded pipe 421 can prevent dust from adhering to the first threaded sleeve 425 or the outer surface of the first threaded sleeve 42.
As shown in fig. 7, 8 and 9, the other end of the bevel gear shaft 427 is fixedly connected with an adjusting module 428 which is rotatably connected with the inner wall of the mounting cavity 424, and a positioning groove 429 which is annularly distributed around the center point of the bevel gear shaft 427 and is communicated with the mounting cavity 424 is formed in the guide tube 423; the adjusting module 428 comprises an adjusting block 4281 fixedly connected to the other end of the bevel gear shaft 427 and rotationally connected to the inner wall of the mounting cavity 424, an adjusting groove 4282 is formed in the other end of the adjusting block 4281, a transmission cavity 4283 is formed in the surface of the adjusting block 4281, a positioning groove 429 and the adjusting groove 4282 are communicated with the transmission cavity 4283, a straight gear 4284 is rotationally connected to the inner wall of the transmission cavity 4283, one end of the straight gear 4284 is in meshed connection with a first rack 4285 which is in sliding connection with the inner wall of the transmission cavity 4283, one end of the first rack 4285 penetrates into the adjusting groove 4282, the first rack 4285 is arranged in the adjusting groove 4282, the inclined surface of the first rack 4285 faces away from the bevel gear shaft 427, a metal spring 4286 in contact with the transmission cavity 4283 is fixedly connected to the other end of the first rack 4285, the metal spring 4286 is always in a compressed state, the other end of the straight gear 4284 is in meshed connection with a second rack 4287 which is in sliding connection with the inner wall of the transmission cavity 4283, one end of the second rack 4287 is fixedly connected with a positioning block 4288, the other end of the second rack 4288 penetrates into the inner wall of the transmission cavity 4283, and the adjacent positioning groove 4282 is not in contact with the inner wall of the first rack 4282, and the first rack 4282 is inserted into the rubber pad 4282, and the dust is well is prevented from entering the inner side of the adjusting groove 4282, and is far away from the rubber pad 4282 due to the positioning tool 4282; when a worker inserts the tool into the adjusting groove 4282, the tool is contacted with the inclined surface of the first rack 4285 in the process of penetrating into the adjusting groove 4282, and in the process of penetrating into the tool, according to the fact that the first rack 4285 is extruded into the transmission cavity 4283, meanwhile, the first rack 4285 drives the straight gear 4284 to rotate and compress the metal spring 4286, the straight gear 4284 drives the second rack 4287 to move in the opposite direction to the first rack 4285, the second rack 4287 drives the positioning block 4288 to be separated from the positioning groove 429 and return to the transmission cavity 4283, at the moment, the resistance of the adjusting block 4281 is lost, and the worker can normally rotate the adjusting block 4281 through the tool; when a worker takes out the tool from the adjusting groove 4282, at the moment, the first rack 4285 loses resistance, the metal spring 4286 pushes back the first rack 4285, the first rack 4285 drives the straight gear 4284 to rotate reversely, the straight gear 4284 drives the second rack 4287 to move reversely, the second rack 4287 drives the positioning block 4288 to penetrate out of the transmission cavity 4283 and be spliced with the corresponding positioning groove 429, and at the moment, the adjusting block 4281 is firmly locked in the installation cavity 424; the surface of the adjusting block 4281 is embedded with a spring plate 4289 which is clamped with the adjacent positioning groove 429, the vertical cross section of the spring plate 4289 is V-shaped { in the process that a worker rotates the adjusting block 4281, the adjusting block 4281 drives the spring plate 4289 to be continuously clamped with or separated from the positioning groove 429, and the worker can judge whether the positioning block 4288 is aligned with the positioning groove 429 according to the sense of frustration during rotation }.
As shown in fig. 6 and 10, the indicating assembly 43 includes an annular belt 431 and a magnifier 434, the annular belt 431 is fixedly connected to the surface of the guide frame 422, the surface of the annular belt 431 is provided with uniformly distributed scales 432, the inner wall of the annular belt 431 is in transmission connection with two pulleys 433 which are both rotatably connected to the inner wall of the guide tube 423, the magnifier 434 is embedded and mounted on the inner wall of the guide tube 423, one end of the magnifier 434 is in non-pressure contact with the annular belt 431, the other end of the magnifier 434 penetrates the outside of the guide tube 423 and is flush with the surface of the guide tube 423 { in the process of moving the guide tube 423, at this time, the guide tube 423 and the guide frame 422 are in a state of moving oppositely, the guide frame 422 drives the annular belt 431 to drive the scales 432 to drive the surfaces of the pulleys 433, and staff can chat the distance } between the T-shaped channel 441 and the output shaft of the servo motor 41 by observing the scales 432 amplified in the magnifier 434.
As shown in fig. 3, fig. 4, fig. 11, fig. 12 and fig. 13, the negative pressure sampling mechanism 5 includes a vacuum negative pressure pump 51 fixedly connected to one end of the mounting frame 1, an air inlet end of the vacuum negative pressure pump 51 is fixedly connected and communicated with a rotary joint 52, the other end of the rotary joint 52 penetrates into the mounting frame 1 and is fixedly connected with an output shaft of the servo motor 41, the other end of the rotary joint 52 is fixedly connected and communicated with a spiral hose 53, the other end of the spiral hose 53 sequentially penetrates through an output shaft of the servo motor 41, a guide frame 422 and extends into the guide tube 423, the other end of the guide tube 423 is fixedly connected and communicated with a quantifying component 54, the other end of the quantifying component 54 is spliced and communicated with a collecting bottle 55, the other end of the collecting bottle 55 is fixedly connected and communicated with a one-way component 56, the other end of the one-way component 56 is spliced and communicated with a three-way tube 57, and the other two ends of the three-way tube 57 penetrate into the interior of the T-shaped channel 441 and are fixedly connected with the T-shaped channel 441, and the other two ends of the three-way tube 57 are respectively screwed with a filtering component 58.
As shown in fig. 11 and 13, the dosing module 54 includes a connection tube 541 fixedly connected to and connected to the other end of the spiral hose 53, the connection tube 541 is fixedly connected to the inner wall of the guide tube 423, a T-shaped column 542 is slidingly connected to the inner bottom wall of the connection tube 541, a floating plate 543 is slidingly connected to the surface of the T-shaped column 542, a waterproof pressure sensor 544 is embedded and installed in the inner top wall of the connection tube 541, the other end of the connection tube 541 is fixedly connected to and connected with a first tower connector 545, the other end of the first tower connector 545 is clamped to and connected with a first tower connector 546, the other end of the first tower connector 546 is fixedly connected to and connected with the collection bottle 55 { after the soil solution is poured into the connection tube 541, the soil solution drives the floating plate 543 to float, when the floating plate 543 floats up to a designated height, the floating plate 543 contacts and presses the waterproof pressure sensor 544, the waterproof pressure sensor 544 transmits the pressure signal to the controller 2, and a worker can timely collect the soil solution to a sufficient volume }, after detecting the pressure signal.
As shown in fig. 12 and 13, the unidirectional component 56 includes a second threaded pipe 561 fixedly connected and communicated with the other end of the connecting tube 541, a second threaded sleeve 562 is connected to the surface of the second threaded pipe 561 in a threaded manner, a second pagoda joint 563 connected with the second threaded pipe 561 in an inserted manner is inserted into the inner wall of the second threaded sleeve 562, the other end of the second pagoda joint 563 is clamped and communicated with a second pagoda joint 564, the other end of the second pagoda joint 564 is fixedly connected and communicated with the three-way pipe 57, elastic check diaphragms 565 annularly distributed around the second pagoda joint 563 are fixedly connected to the inner wall of the second pagoda joint 563, adjacent two elastic check diaphragms 565 are contacted, all the elastic check diaphragms 565 are combined together in a bamboo hat shape { in the process that the soil solution normally upwards passes through the second pagoda joint 563, at this moment, the elastic check diaphragms 565 can be easily flushed by air pressure or the soil solution can normally pass through the second pagoda joint 563, when the soil solution is pressed down, the two adjacent elastic check diaphragms 565 are in an annular distribution, all the elastic check diaphragms can mutually abut against each other, and all the elastic check diaphragms can form a complete structure of the second pagoda joint, and the two elastic check diaphragms are mutually sealed; the inner wall of the second pagoda fitting 563 is fixedly connected with a positioning ring 566 provided below the elastic check diaphragm 565, the upper surface of the positioning ring 566 being in contact with the lower surface of the elastic check diaphragm 565.
As shown in fig. 12 and 13, the filtering component 58 includes a ceramic filter 581 screwed to an adjacent end of the tee 57, the ceramic filter 581 is slidably connected to an inner wall of the tee 57, a ring groove 582 is formed on a surface of the ceramic filter 581, a sealing ring 583 contacting the tee 441 is embedded in the inner wall of the ring groove 582, a cross ceramic adjusting member 584 is fixedly connected to the other end of the ceramic filter 581, the ceramic filter 581 and the cross ceramic adjusting member 584 are integrally formed { when a soil solution enters the tee 441, at this time, the ceramic filter 581 seals a gap between the tee 441 and the tee 57, and the soil solution can only permeate into the tee 57 through the ceramic filter 581 so as to prevent solid impurities such as external soil, stones and the like from entering the tee 57; when a worker needs to clean or replace ceramic filter 581, the worker screws out ceramic filter 581 from tee 57 through cross ceramic adjuster 584; the inner wall of the T-shaped channel 441 defines two placement chambers 442, and the filter assembly 58 further includes a plastic spring 585 embedded in the inner wall of the placement chambers 442, the other end of the plastic spring 585 being in contact with the ceramic filter 581, the plastic spring 585 being in a compressed state.
The application flow of the invention is as follows:
when the device is normally used, a worker places the drill bit 44 on the designated ground, then the servo motor 41 is controlled to be started by the controller 2, the servo motor 41 drives the drill bit 44 to rotate through the telescopic component 42, at the moment, the worker can press the servo motor 41 through the mounting frame 1, the servo motor 41 drives the telescopic component 42 downwards, the telescopic component 42 drives the drill bit 44 downwards, at the moment, the drill bit 44 rotates to penetrate into the soil until the drill bit 44 penetrates into the designated depth, the operator then stops the servo motor 41 through the controller 2 and controls to turn on the vacuum negative pressure pump 51, the vacuum negative pressure pump 51 rapidly draws the air inside the spiral hose 53, the dosing assembly 54, the collection bottle 55, the one-way assembly 56, the three-way tube 57 and the T-shaped channel 441 through the rotary joint 52, so that the air pressure inside the dosing assembly 54, the collecting bottle 55, the one-way assembly 56, the three-way tube 57 and the T-shaped channel 441 is rapidly reduced and a negative pressure is generated, at which time the solution in the soil is sucked into the T-shaped channel 441, the soil solution enters the filtering component 58 along the T-shaped channel 441, the filtering component 58 filters out the soil mixed in the soil solution, the filtered soil solution enters the three-way pipe 57 along the filtering component 58, the three-way pipe 57 guides the soil solution into the one-way component 56, the one-way component 56 guides the soil solution into the collecting bottle 55, when the collection of the soil solution reaches the specified time, the worker only needs to pull out the whole drilling mechanism 4 from the soil, then the drill 44 is unscrewed, the lower opening of the guide tube 423 and the collection bottle 55 are exposed to the outside, and the worker can pull the collection bottle 55 with the soil solution out of the dosing assembly 54, and can take the collection bottle back to the laboratory for subsequent detection. Compared with the existing soil solution sampling equipment, the device integrates the drilling and sampling structures, effectively reduces the occupied volume of the existing drilling equipment and sampling equipment, reduces the carrying burden of workers, simultaneously can sample the soil solution when the drilling is finished, and does not need to worry about the condition of overlarge gap between the sampling equipment and the soil so as to ensure that the soil solution can be effectively adsorbed by negative pressure and further achieve the effect of improving the soil solution collection rate;
when the staff needs to sample the soil solution with different depths, the staff only needs to insert the tool matched with the adjusting groove 4282 into the adjusting groove 4282, then the staff drives the adjusting groove 4282 to rotate through the tool, the adjusting groove 4282 drives the adjusting block 4281 to rotate, the adjusting block 4281 drives the bevel gear shaft 427 to rotate, the bevel gear shaft 427 drives the bevel gear ring 426 to rotate in opposite directions, the bevel gear ring 426 drives the first thread bush 425 to rotate, the first thread bush 425 is spirally lifted along the surface of the first thread pipe 421, the first thread bush 425 drives the guide pipe 423 to lift along the surface of the first thread pipe 421 through the mounting cavity 424, the guide pipe 423 drives the drill bit 44 to lift, the drill bit 44 drives the T-shaped channel 441 to lift until the distance between the T-shaped channel 441 and the servo motor 41 is adjusted to a depth value corresponding to be collected, compared with the existing soil solution sampling equipment, the telescopic component 42 can adjust the positions of the T-shaped channel 441 according to the use requirements of the staff, so that the sampling requirements of the staff with different depths are met, the staff does not need to carry a plurality of drilling mechanisms 4 matched with the staff, and the load of the staff is further reduced.
It should be noted that, in the above description, the controller 2, the servo motor 41, the vacuum negative pressure pump 51 and the waterproof pressure sensor 544 are relatively mature devices in the prior art, the specific model may be selected according to actual needs, and meanwhile, the power supply of the controller 2, the servo motor 41, the vacuum negative pressure pump 51 and the waterproof pressure sensor 544 may be a built-in power supply, or may be a mains supply, and the specific power supply mode is optionally selected, which is not described herein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a one-way negative pressure adsorbs sampling filter equipment, includes mounting bracket (1), its characterized in that: one end of the mounting frame (1) is fixedly connected with a controller (2), the other end of the mounting frame (1) is fixedly connected with a sampling device (3), and the other end of the sampling device (3) penetrates through the outside of the mounting frame (1) and is fixedly connected with the mounting frame (1);
the sampling device (3) comprises a drilling mechanism (4) and a negative pressure sampling mechanism (5), wherein the drilling mechanism (4) is fixedly connected to the other end of the mounting frame (1), the negative pressure sampling mechanism (5) is fixedly connected to one end of the mounting frame (1), and the other end of the negative pressure sampling mechanism (5) sequentially penetrates through the mounting frame (1) and the drilling mechanism (4) and extends to the outside of the drilling mechanism (4).
2. The unidirectional negative pressure adsorption sampling filtration device of claim 1, wherein: the drilling mechanism (4) comprises a servo motor (41) fixedly connected to the other end of the mounting frame (1), an output shaft of the servo motor (41) is fixedly connected with a telescopic assembly (42), an indicating assembly (43) is arranged in the telescopic assembly (42), and a drill bit (44) is connected to the other end of the telescopic assembly (42) in a threaded manner;
the telescopic assembly (42) comprises a first threaded pipe (421) fixedly connected to an output shaft of the servo motor (41), the other end of the first threaded pipe (421) is fixedly connected and communicated with a guide frame (422), the surface of the guide frame (422) is slidably connected with a guide pipe (423), the horizontal cross section of the guide frame (422) and the horizontal cross section of the inner wall of the guide pipe (423) are rectangular, a drill bit (44) is in threaded connection with the other end of the guide pipe (423), a mounting cavity (424) is formed in the surface of the guide pipe (423), a first threaded sleeve (425) is in threaded connection with the surface of the first threaded pipe (421) and is rotatably connected with the inner wall of the mounting cavity (424), a conical gear ring (426) is fixedly connected to the surface of the first threaded sleeve (425), and a bevel gear shaft (427) in rotational connection with the mounting cavity (424) is connected to the surface of the conical gear ring (426).
Wherein, the surface of the drill bit (44) is provided with a T-shaped channel (441);
the negative pressure sampling mechanism (5) comprises a vacuum negative pressure pump (51) fixedly connected to one end of a mounting frame (1), an air inlet end of the vacuum negative pressure pump (51) is fixedly connected with a rotary joint (52) which is fixedly connected with the other end of the rotary joint (52) and fixedly connected with an output shaft of a servo motor (41), the other end of the rotary joint (52) is fixedly connected with a spiral hose (53), the other end of the spiral hose (53) sequentially penetrates through an output shaft of the servo motor (41), a guide frame (422) and extends to the inside of a guide pipe (423), the other end of the guide pipe (423) is fixedly connected with a quantitative assembly (54), the other end of the quantitative assembly (54) is connected with a collecting bottle (55) in a plugging mode, the other end of the collecting bottle (55) is fixedly connected with a one-way assembly (56), the other end of the one-way assembly (56) is connected with a three-way pipe (57) in a plugging mode, and the other ends of the three-way pipe (57) penetrate through the inside of a T-shaped channel (441) and extend to the inside of the T-shaped channel (441) and are fixedly connected with the two ends of the three-way pipe (57), and the other ends of the three-way pipe (57) are connected with two ends of the three-way pipe (58) and the filtering assembly and the two ends of the filtering assembly are connected with threads.
3. The unidirectional negative pressure adsorption sampling filtration device of claim 2, wherein: the other end of the bevel gear shaft (427) is fixedly connected with an adjusting module (428) which is rotationally connected with the inner wall of the mounting cavity (424), and positioning grooves (429) which are annularly distributed around the center point of the bevel gear shaft (427) and are communicated with the mounting cavity (424) are formed in the guide pipe (423);
wherein the adjusting module (428) comprises an adjusting block (4281) fixedly connected with the other end of a bevel gear shaft (427) and rotationally connected with the inner wall of a mounting cavity (424), an adjusting groove (4282) is formed in the other end of the adjusting block (4281), a transmission cavity (4283) is formed in the surface of the adjusting block (4281), one of the positioning groove (429) and the adjusting groove (4282) is communicated with the transmission cavity (4283), a spur gear (4284) is rotationally connected with the inner wall of the transmission cavity (4283), one end of the spur gear (4284) is in meshed connection with a first rack (4285) which is in sliding connection with the inner wall of the transmission cavity (4283), one end of the first rack (4285) penetrates into the adjusting groove (4282), the horizontal section of the first rack (4285) is in a right-angled triangle shape, the inclined surface of the first rack (4285) faces away from the bevel gear shaft (427), the other end of the first rack (4285) is fixedly connected with a metal spring 86 which is in contact with the transmission cavity (4283), the second rack (4283) is in a compressed state, the other end of the first rack (4285) is in meshed connection with the first rack (4283) and the second rack (4283), the other end of the positioning block (4288) penetrates through the transmission cavity (4283) and is inserted into the adjacent positioning groove (429).
4. A unidirectional negative pressure adsorption sampling filtration device according to claim 3, wherein: the surface of the adjusting block (4281) is embedded with a spring piece (4289) which is clamped with the adjacent positioning groove (429), and the vertical section shape of the spring piece (4289) is V-shaped.
5. The unidirectional negative pressure adsorption sampling filtration device of claim 2, wherein: the indicating assembly (43) comprises an annular belt (431) and a magnifier (434), the annular belt (431) is fixedly connected to the surface of the guide frame (422), scales (432) which are uniformly distributed are arranged on the surface of the annular belt (431), two belt pulleys (433) which are connected to the inner wall of the guide pipe (423) in a rotating mode are connected to the inner wall of the annular belt (431) in a transmission mode, the magnifier (434) is embedded and mounted on the inner wall of the guide pipe (423), one end of the magnifier (434) is in non-pressure contact with the annular belt (431), and the other end of the magnifier (434) penetrates through the outer portion of the guide pipe (423) and is flush with the surface of the guide pipe (423).
6. The unidirectional negative pressure adsorption sampling filtration device of claim 2, wherein: the quantitative assembly (54) comprises a connecting cylinder (541) fixedly connected with the other end of the spiral hose (53) and communicated with the other end of the spiral hose, the connecting cylinder (541) is fixedly connected with the inner wall of the guide pipe (423), a T-shaped column (542) is slidably connected with the inner bottom wall of the connecting cylinder (541), a floating plate (543) is slidably connected with the surface of the T-shaped column (542), a waterproof pressure sensor (544) is embedded in the inner top wall of the connecting cylinder (541), a first pagoda joint (545) is fixedly connected and communicated with the other end of the connecting cylinder (541), a first pagoda joint sleeve (546) is clamped and communicated with the other end of the first pagoda joint (545), and the other end of the first pagoda joint sleeve (546) is fixedly connected and communicated with the collecting bottle (55).
7. The unidirectional negative pressure adsorption sampling filtration device of claim 2, wherein: the unidirectional component (56) comprises a second threaded pipe (561) fixedly connected with and communicated with the other end of the connecting cylinder (541), a second threaded sleeve (562) is connected to the surface of the second threaded pipe (561) in a threaded manner, a second tower joint (563) connected with the second threaded pipe (561) in an inserted manner is inserted into the inner wall of the second threaded sleeve (562), the other end of the second tower joint (563) is clamped with and communicated with a second tower joint sleeve (564), the other end of the second tower joint sleeve (564) is fixedly connected with and communicated with the three-way pipe (57), elastic check films (565) annularly distributed around the second tower joint (563) are fixedly connected to the inner wall of the second tower joint (563), the adjacent two elastic check films (565) are in contact, and all the elastic check films (565) are combined together to form a bamboo hat shape.
8. The unidirectional negative pressure adsorption sampling filtration device of claim 7, wherein: the inner wall of the second pagoda joint (563) is fixedly connected with a positioning ring (566) arranged below the elastic check diaphragm (565), and the upper surface of the positioning ring (566) is contacted with the lower surface of the elastic check diaphragm (565).
9. The unidirectional negative pressure adsorption sampling filtration device of claim 2, wherein: the filter assembly (58) comprises a ceramic filter (581) which is connected to the adjacent end of the three-way pipe (57) in a threaded mode, the ceramic filter (581) is connected to the inner wall of the T-shaped channel (441) in a sliding mode, an annular groove (582) is formed in the surface of the ceramic filter (581), a sealing ring (583) which is in contact with the T-shaped channel (441) is embedded and installed in the inner wall of the annular groove (582), a cross ceramic adjusting piece (584) is fixedly connected to the other end of the ceramic filter (581), and the cross ceramic adjusting piece (584) are manufactured in an integrally formed mode.
10. The unidirectional negative pressure adsorption sampling filtration device of claim 9, wherein: two placing cavities (442) are formed in the inner wall of the T-shaped channel (441), the filtering assembly (58) further comprises a plastic spring (585) embedded and installed in the inner wall of the placing cavities (442), the other end of the plastic spring (585) is in contact with the ceramic filter (581), and the plastic spring (585) is in a compressed state at the moment.
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| CN202310689439.9A CN116609132A (en) | 2023-06-12 | 2023-06-12 | Unidirectional negative pressure adsorption sampling and filtering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168889A (en) * | 2023-11-03 | 2023-12-05 | 江苏爱佳福如土壤修复有限公司 | Soil detection device for ecological restoration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168889A (en) * | 2023-11-03 | 2023-12-05 | 江苏爱佳福如土壤修复有限公司 | Soil detection device for ecological restoration |
| CN117168889B (en) * | 2023-11-03 | 2024-04-05 | 江苏爱佳福如土壤修复有限公司 | Soil detection device for ecological restoration |
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