CN118090325A - Water sampling device and sampling method thereof - Google Patents
Water sampling device and sampling method thereof Download PDFInfo
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- CN118090325A CN118090325A CN202410509030.9A CN202410509030A CN118090325A CN 118090325 A CN118090325 A CN 118090325A CN 202410509030 A CN202410509030 A CN 202410509030A CN 118090325 A CN118090325 A CN 118090325A
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- 238000005070 sampling Methods 0.000 title claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000000670 limiting effect Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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Abstract
The invention discloses a water sampling device and a sampling method thereof, and relates to the technical field of water sampling. The fixing ear seat is fixedly arranged on the top surface of the hexagonal base, and a fixing shaft is rotatably inserted into the top end of the fixing ear seat; the side face of the hexagonal base is fixedly provided with a U-shaped clamping rail, a rectangular sliding plate is clamped in an opening of the U-shaped clamping rail, the outer side face of the rectangular sliding plate is fixedly provided with a fixed connecting plate, and the fixed shaft is connected with the fixed connecting plate through a swing arm mechanism; the outer side surface of the fixed connecting plate is provided with a positioning shaft, the bottom end part of the positioning shaft is fixedly provided with an outer sleeve, and the bottom end opening of the outer sleeve is internally provided with a sampling inner cylinder; an L-shaped bracket is fixedly arranged on the bottom surface of the hexagonal base, and the sampling inner cylinder is arranged on the L-shaped bracket. The invention can automatically complete the water sampling process in batches, reduces manual operation, is suitable for various water bodies, has strong universality, and determines more accurate water sample test results according to the sampling results.
Description
Technical Field
The invention relates to the technical field of water sampling, in particular to a water sampling device and a water sampling method.
Background
A water sampling device is a device for taking samples from a body of water for analysis and detection.
The Chinese patent discloses a water sampling device (publication No. CN 218271494U), which comprises a top plate, wherein the top plate is connected with a base through a guide mechanism, a mounting box is arranged on the movable part of the guide mechanism, the mounting box is connected with the top plate through a lifting unit, a driving unit is arranged on the inner side of the mounting box, a sampling tube is detachably connected with the driving unit through a clamping unit, and a blocking unit for blocking the tube opening of the sampling tube is arranged on the base.
However, most of the water sampling devices in the above patents and the prior art can only obtain one water sample at a time, and if a plurality of water samples at the same position are required to be obtained, multiple sampling operations are required, which results in complicated sampling operations. Moreover, when water samples at the same position are obtained by sampling for multiple times, the sampling position of each time may deviate, so that the water sample test result determined according to the sampling result is inaccurate.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a water sampling device and a water sampling method. The invention adopts the following technical scheme:
The invention provides a water sampling device, which comprises a hexagonal base, wherein fixed ear seats which are vertically distributed are fixedly arranged on six side edges of the top surface of the hexagonal base, and a fixed shaft which penetrates through the fixed ear seats is rotatably inserted into the top end part of each fixed ear seat;
U-shaped clamping rails which are vertically distributed are fixedly arranged in the middle of six side faces of the hexagonal base, rectangular sliding plates which are vertically distributed are slidably clamped in openings of each U-shaped clamping rail, fixed connecting plates are fixedly arranged on the outer side faces of each rectangular sliding plate, and each fixed shaft is connected with the corresponding fixed connecting plate on one side through a swing arm mechanism;
The outer side surface of each fixed connecting plate is provided with positioning shafts which are distributed in parallel, the bottom end part of each positioning shaft is fixedly provided with an outer sleeve, and the bottom port of each outer sleeve is internally provided with a sampling inner cylinder with an open top surface in a rotary inserting manner;
L-shaped brackets are fixedly arranged on six side edges of the bottom surface of the hexagonal base, and each sampling inner cylinder is arranged on the L-shaped bracket on the corresponding side.
Preferably, the inner end part of each fixed shaft is sleeved with a driven bevel gear concentrically fixedly connected, a circular groove is formed in the middle of the top surface of the hexagonal base, a waterproof motor with an upward output end is fixedly arranged in the circular groove, a bevel gear disk concentrically fixedly connected is sleeved at the end part of a motor shaft of the waterproof motor, and the bevel gear disks are sequentially meshed with the six driven bevel gears.
Preferably, the swing arm mechanism comprises a crank swing arm and a limiting pin shaft, a T-shaped connecting plate which is vertically distributed is fixedly arranged on the top surface of the fixed connecting plate, an elliptical pin hole is formed in the top of the T-shaped connecting plate, the outer end part of the fixed shaft is fixedly provided with the crank swing arm, the bottom end part of the crank swing arm is fixedly provided with the limiting pin shaft, and the outer end part of the limiting pin shaft is slidably inserted into the elliptical pin hole on the corresponding side.
Preferably, the top and the bottom of the outer side surface of the fixed connecting plate are fixedly provided with positioning lug seats which are symmetrically distributed, the upper end and the lower end of the positioning shaft are rotatably inserted on the pair of positioning lug seats, and the middle part of the positioning shaft is sleeved with a linkage gear which is concentrically fixedly connected.
Preferably, a rectangular sliding groove is formed in the middle of the outer side surface of the fixed connecting plate, rectangular racks which penetrate through the rectangular sliding groove are slidably clamped in the rectangular sliding groove, and the rectangular racks are in meshed connection with the linkage gears on the corresponding sides.
Preferably, the top of six side surfaces of the hexagonal base is fixedly provided with inclined lug seats, the outer end part of each inclined lug seat is fixedly provided with inclined slide bars distributed in an inclined thirty-degree manner, the middle lower part of each inclined slide bar is sleeved with an inclined slide cylinder in a sliding manner, and each inclined slide cylinder is fixedly connected with a rectangular rack on the corresponding side.
Preferably, three spiral pin holes which are uniformly distributed are formed in the outer ring surface of the outer sleeve, three positioning pin shafts which are uniformly distributed are fixedly arranged at the top of the outer ring surface of the sampling inner cylinder, and the outer end parts of the positioning pin shafts are slidably clamped in the spiral pin holes on the corresponding side.
Preferably, the bottom of every sampling inner tube all overlaps and is equipped with the external screw thread ring of concentric rigid coupling, every the screw thread through-hole has all been seted up to the outer tip of L type support, every external screw thread ring all spiral insert establish in the screw thread through-hole that corresponds and with screw thread through-hole screw locking, and the bottom surface middle part of every sampling inner tube all is equipped with the manual ball valve that link up the distribution.
Preferably, the six corners of the bottom surface of the hexagonal base are fixedly provided with ground inserting rods which are vertically distributed, the six corners of the top surface of the hexagonal base are fixedly provided with threaded cylinders which are vertically distributed, and the top port of each threaded cylinder is internally inserted with a lifting ring screw rod which is in threaded connection.
The invention also provides a sampling method of the water body sampling device, which adopts the water body sampling device and comprises the following steps:
step one, six lifting ring screws are connected with a lifting rope, a hexagonal base is slowly sunk into a river through the lifting rope, so that the bottom end part of a ground inserting rod is inserted into the river bottom, and the ground inserting rod is kept stand for a period of time;
Step two, starting a waterproof motor, wherein a motor shaft of the waterproof motor drives a bevel gear disk to synchronously rotate, and the bevel gear disk is meshed to drive a driven bevel gear and a fixed shaft to reversely rotate, so that a crank swing arm is driven to upwards rotate;
Under the limiting action of the limiting pin shaft and the elliptical pin hole, the T-shaped connecting plate drives the fixed connecting plate and the rectangular sliding plate to slide upwards along the U-shaped clamping rail, and synchronously drives the pair of positioning lugs, the positioning shaft, the outer sleeve and the rectangular rack to translate upwards;
Step four, synchronously driving the oblique sliding cylinder to slide obliquely upwards along the oblique sliding rod, driving the rectangular rack to slide along the rectangular sliding groove, and driving the linkage gear, the positioning shaft and the outer sleeve to rotate by re-meshing of the rectangular rack;
Fifthly, when the outer sleeve is lifted in a rotating way, the sampling inner cylinder is kept still, the positioning pin shaft is driven to slide along the screw pin hole, and after the outer sleeve is lifted for a certain distance along the sampling inner cylinder, river water in a river enters the top end opening of the sampling inner cylinder along the screw pin hole and fills the sampling inner cylinder;
Step six, after the sampling inner barrel is filled with river water, the crank swing arm rotates downwards to drive the outer sleeve to reset in the opposite direction, the outer sleeve is sleeved on the sampling inner barrel, then the hexagonal base is taken out through the lifting rope and placed on the ground, then the manual ball valve is opened in sequence, and the water sample in the sampling inner barrel is taken out through the test tube.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the hexagonal base is provided with six groups of U-shaped clamping rails, the rectangular sliding plate, the fixed connecting plate, the outer sleeve, the sampling inner barrel and the swing arm mechanism, and water body sampling is carried out under the cooperation of all the components, so that batch sampling of water bodies can be realized, a plurality of samples at the same position of the water bodies can be conveniently obtained, the sampling operation is simple, a large amount of water samples can be acquired in a shorter time, and the water body sampling efficiency is improved; in addition, the obtained water samples are samples at the same position (height) of the water body, so that the influence on the sampling result due to the position deviation during multiple sampling is avoided, and the water sample test result determined according to the sampling result is more accurate.
In conclusion, the invention can automatically complete the water sampling process in batches, reduces manual operation, is suitable for various types of water bodies including lakes, rivers, oceans and the like, has strong universality, and has more accurate water sample test results determined according to the sampling results.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 4 is a schematic view of the structure of the hexagonal base and the L-shaped bracket according to the present invention;
FIG. 5 is an exploded view of a hexagonal base and a conical gear plate according to the present invention;
FIG. 6 is a schematic view of the structure of the hexagonal base, outer sleeve and L-shaped bracket of the present invention;
FIG. 7 is an exploded view of a hexagonal base, outer sleeve, L-shaped bracket of the present invention;
number in the figure: 1. a hexagonal base; 11. fixing the ear seat; 12. a fixed shaft; 13. a crank swing arm; 14. limiting pin shafts; 15. a driven bevel gear; 16. a waterproof motor; 17. bevel gear disk; 18. t-shaped connecting plates; 2. u-shaped clamping rail; 21. a rectangular slide plate; 22. fixing the connecting plate; 23. positioning the ear seat; 24. positioning a shaft; 25. a linkage gear; 26. a rectangular rack; 27. an oblique sliding cylinder; 28. oblique ear seats; 29. an oblique slide bar; 3. an L-shaped bracket; 31. an outer sleeve; 32. screw pin holes; 33. sampling an inner cylinder; 34. positioning pin shafts; 35. an external threaded ring; 36. a manual ball valve; 37. a ground rod; 38. a thread cylinder; 39. and (5) hanging ring screws.
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.
Embodiment one: the embodiment provides a water sampling device, see fig. 1-7, which comprises a hexagonal base 1, wherein six side edges of the top surface of the hexagonal base 1 are fixedly provided with fixing lugs 11 which are vertically distributed, and the top end part of each fixing lug 11 is rotatably inserted with a fixing shaft 12 which is in penetrating distribution;
U-shaped clamping rails 2 which are vertically distributed are fixedly arranged in the middle of six side faces of the hexagonal base 1, rectangular sliding plates 21 which are vertically distributed are slidably clamped in openings of each U-shaped clamping rail 2, fixed connecting plates 22 are fixedly arranged on the outer side faces of each rectangular sliding plate 21, and each fixed shaft 12 is connected with the corresponding fixed connecting plate 22 on one side through a swing arm mechanism;
the outer side surface of each fixed connecting plate 22 is provided with positioning shafts 24 which are distributed in parallel, the bottom end part of each positioning shaft 24 is fixedly provided with an outer sleeve 31, and a sampling inner cylinder 33 with an open top surface is inserted in the bottom port of each outer sleeve 31 in a rotating way;
The six sides of the bottom surface of the hexagonal base 1 are fixedly provided with L-shaped brackets 3, and each sampling inner cylinder 33 is arranged on the L-shaped bracket 3 on the corresponding side.
The description is as follows: in the embodiment, the bottom of each sampling inner cylinder 33 is sleeved with an external threaded ring 35 concentrically fixedly connected, the outer end part of each L-shaped bracket 3 is provided with a threaded through hole, each external threaded ring 35 is spirally inserted into the corresponding threaded through hole and is in threaded locking with the threaded through hole, and the middle part of the bottom surface of each sampling inner cylinder 33 is provided with a manual ball valve 36 which is in through distribution; the sampling inner cylinder 33 can be independently disassembled and overhauled through the threaded connection of the external threaded ring 35 and the threaded through hole;
The six corners of the bottom surface of the hexagonal base 1 are fixedly provided with ground inserting rods 37 which are vertically distributed, the six corners of the top surface of the hexagonal base 1 are fixedly provided with threaded cylinders 38 which are vertically distributed, and the top port of each threaded cylinder 38 is internally inserted with a lifting ring screw 39 which is in threaded connection; six lifting ring screws 39 are connected with a lifting rope, the hexagonal base 1 is slowly sunk into a river through the lifting rope, and the bottom end part of the ground inserting rod 37 is inserted into the river bottom, so that water sampling can be performed.
Embodiment two: the present embodiment further includes the following on the basis of the first embodiment:
As shown in fig. 6 and 7, the inner end part of each fixed shaft 12 is sleeved with a driven bevel gear 15 which is concentrically and fixedly connected, the middle part of the top surface of the hexagonal base 1 is provided with a circular groove, the inside of the circular groove is fixedly provided with a waterproof motor 16 with an upward output end, the end part of a motor shaft of the waterproof motor 16 is sleeved with a bevel gear disk 17 which is concentrically and fixedly connected, and the bevel gear disk 17 is sequentially meshed and connected with the six driven bevel gears 15; the motor shaft of the waterproof motor 16 can drive the bevel gear disk 17 to synchronously rotate, and the bevel gear disk 17 is meshed to drive the driven bevel gear 15 and the fixed shaft 12 to reversely rotate;
The swing arm mechanism comprises a crank swing arm 13 and a limit pin shaft 14, a T-shaped connecting plate 18 which is vertically distributed is fixedly arranged on the top surface of a fixed connecting plate 22, an elliptical pin hole is formed in the top of the T-shaped connecting plate 18, the outer end part of the fixed shaft 12 is fixedly provided with the crank swing arm 13, the bottom end part of the crank swing arm 13 is fixedly provided with the limit pin shaft 14, and the outer end part of the limit pin shaft 14 is slidably inserted into the elliptical pin hole on the corresponding side; the driven bevel gear 15 and the fixed shaft 12 can reversely rotate to drive the crank swing arm 13 to upwards rotate, and under the limiting action of the limiting pin shaft 14 and the elliptical pin hole, the T-shaped connecting plate 18 can drive the fixed connecting plate 22 to upwards slide along the U-shaped clamping rail 2.
Embodiment III: on the basis of the second embodiment, the present embodiment further includes the following:
As shown in fig. 6 and 7, the top and bottom of the outer side surface of the fixed connecting plate 22 are fixedly provided with positioning lugs 23 which are symmetrically distributed, the upper and lower end parts of the positioning shaft 24 are rotatably inserted on the pair of positioning lugs 23, and the middle part of the positioning shaft 24 is sleeved with a linkage gear 25 which is concentrically fixedly connected;
a rectangular chute is formed in the middle of the outer side surface of the fixed connecting plate 22, rectangular racks 26 which are distributed in a penetrating manner are clamped in the rectangular chute in a sliding manner, and the rectangular racks 26 are in meshed connection with the linkage gears 25 on the corresponding sides; the rectangular rack 26 can be meshed to drive the linkage gear 25, the positioning shaft 24 and the outer sleeve 31 to rotate;
The top of six side surfaces of the hexagonal base 1 is fixedly provided with inclined lug seats 28, the outer end part of each inclined lug seat 28 is fixedly provided with inclined slide bars 29 which are distributed in an inclined thirty-degree manner, the middle lower part of each inclined slide bar 29 is sleeved with an inclined slide cylinder 27 in a sliding manner, and each inclined slide cylinder 27 is fixedly connected with a rectangular rack 26 on the corresponding side; the fixed connecting plate 22 and the rectangular sliding plate 21 slide upwards along the U-shaped clamping rail 2, can synchronously drive a pair of positioning lugs 23, a positioning shaft 24, an outer sleeve 31 and a rectangular rack 26 to translate upwards, and can synchronously drive the inclined sliding cylinder 27 to slide upwards along the inclined sliding rod 29 in an inclined way, so that the rectangular rack 26 is driven to slide along the rectangular sliding groove.
Embodiment four: the third embodiment further includes the following matters:
As shown in fig. 6 and 7, three uniformly distributed screw pin holes 32 are formed in the outer ring surface of the outer sleeve 31, three uniformly distributed positioning pins 34 are fixedly arranged at the top of the outer ring surface of the sampling inner cylinder 33, and the outer end part of each positioning pin 34 is slidably clamped in the screw pin hole 32 on the corresponding side; when the outer sleeve 31 is rotated and lifted, the positioning pin shaft 34 can be driven to slide along the screw pin hole 32, and river water enters the top end opening of the sampling inner cylinder 33 along the screw pin hole 32 and fills the sampling inner cylinder 33.
Specifically, the working principle and the operation method of the invention are as follows:
Step one, six lifting ring screws 39 are connected with a lifting rope, the hexagonal base 1 is slowly sunk into a river through the lifting rope, the bottom end part of the ground inserting rod 37 is inserted into the river bottom, and the ground inserting rod is kept stand for a period of time;
Step two, starting a waterproof motor 16, wherein a motor shaft of the waterproof motor 16 drives a bevel gear disk 17 to synchronously rotate, and the bevel gear disk 17 is meshed to drive a driven bevel gear 15 and a fixed shaft 12 to reversely rotate so as to drive a crank swing arm 13 to upwards rotate;
under the limiting action of the limiting pin shaft 14 and the elliptical pin hole, the T-shaped connecting plate 18 drives the fixed connecting plate 22 and the rectangular sliding plate 21 to slide upwards along the U-shaped clamping rail 2, and synchronously drives the pair of positioning lugs 23, the positioning shaft 24, the outer sleeve 31 and the rectangular rack 26 to translate upwards;
step four, synchronously driving the oblique sliding cylinder 27 to slide obliquely upwards along the oblique sliding rod 29 and driving the rectangular rack 26 to slide along the rectangular sliding chute, and then meshing the rectangular rack 26 to drive the linkage gear 25, the positioning shaft 24 and the outer sleeve 31 to rotate;
step five, when the outer sleeve 31 is lifted up in a rotating way, the sampling inner cylinder 33 is kept still, the positioning pin shaft 34 is driven to slide along the screw pin hole 32, and after the outer sleeve 31 is lifted up for a certain distance along the sampling inner cylinder 33, river water in a river enters the top end opening of the sampling inner cylinder 33 along the screw pin hole 32 and fills the sampling inner cylinder 33;
Step six, after the sampling inner cylinder 33 is filled with river water, the crank swing arm 13 rotates downwards to drive the outer sleeve 31 to reset in the opposite direction, the outer sleeve 31 is sleeved on the sampling inner cylinder 33, then the hexagonal base 1 is taken out through a lifting rope and placed on the ground, then the manual ball valve 36 is opened in sequence, and the water sample in the sampling inner cylinder 33 is taken out through a test tube.
The invention can automatically finish the water sampling process in batches, reduces manual operation, is suitable for various types of water bodies, and only samples river water by way of example, however, the water bodies can also comprise lakes, rivers, oceans and the like, thus not only having stronger universality, but also ensuring more accurate water sample test results determined according to the sampling results.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. A water sampling device, its characterized in that: the fixing device comprises a hexagonal base (1), wherein fixed lug seats (11) which are vertically distributed are fixedly arranged on six side edges of the top surface of the hexagonal base (1), and a fixed shaft (12) which penetrates through the fixed lug seats is rotatably inserted into the top end part of each fixed lug seat (11);
u-shaped clamping rails (2) which are vertically distributed are fixedly arranged in the middle of six side faces of the hexagonal base (1), rectangular sliding plates (21) which are vertically distributed are slidably clamped in openings of each U-shaped clamping rail (2), fixed connecting plates (22) are fixedly arranged on the outer side faces of each rectangular sliding plate (21), and each fixed shaft (12) is connected with the corresponding fixed connecting plate (22) on one side through a swing arm mechanism;
the outer side surface of each fixed connecting plate (22) is provided with positioning shafts (24) which are distributed in parallel, the bottom end part of each positioning shaft (24) is fixedly provided with an outer sleeve (31), and a sampling inner cylinder (33) with an open top surface is inserted in the bottom port of each outer sleeve (31) in a rotating way;
L-shaped brackets (3) are fixedly arranged on six side edges of the bottom surface of the hexagonal base (1), and each sampling inner cylinder (33) is arranged on the corresponding L-shaped bracket (3).
2. The water sampling device of claim 1, wherein: every the interior tip of fixed axle (12) all overlaps and is equipped with concentric rigid coupling's driven bevel gear (15), circular recess has been seted up at the top surface middle part of hexagon base (1), the inside of circular recess has set firmly waterproof motor (16) with the output up, the motor shaft tip cover of waterproof motor (16) is equipped with concentric rigid coupling's bevel gear dish (17), bevel gear dish (17) are connected with six driven bevel gear (15) meshing in proper order.
3. A water sampling device according to claim 2, wherein: the swing arm mechanism comprises a crank swing arm (13) and a limiting pin shaft (14), a T-shaped connecting plate (18) which is vertically distributed is fixedly arranged on the top surface of the fixed connecting plate (22), an elliptical pin hole is formed in the top of the T-shaped connecting plate (18), the crank swing arm (13) is fixedly arranged at the outer end part of the fixed shaft (12), the limiting pin shaft (14) is fixedly arranged at the bottom end part of the crank swing arm (13), and the outer end part of the limiting pin shaft (14) is slidably inserted into the elliptical pin hole on the corresponding side.
4. A water sampling device according to claim 3, wherein: the top and the bottom of the outer side surface of the fixed connecting plate (22) are fixedly provided with positioning lug seats (23) which are symmetrically distributed, the upper end and the lower end of the positioning shaft (24) are rotatably inserted on the pair of positioning lug seats (23), and the middle part of the positioning shaft (24) is sleeved with a linkage gear (25) which is concentrically fixedly connected.
5. The water sampling device of claim 4, wherein: rectangular sliding grooves are formed in the middle of the outer side face of the fixed connecting plate (22), rectangular racks (26) which penetrate through the rectangular sliding grooves are slidably clamped in the rectangular sliding grooves, and the rectangular racks (26) are in meshed connection with the corresponding linkage gears (25).
6. The water sampling device of claim 5, wherein: the hexagonal base (1) is characterized in that inclined lug seats (28) are fixedly arranged at the tops of six side faces of the hexagonal base (1), inclined slide bars (29) distributed in an inclined thirty-degree mode are fixedly arranged at the outer end portions of the inclined lug seats (28), inclined slide cylinders (27) are sleeved on the middle lower portions of the inclined slide bars (29) in a sliding mode, and each inclined slide cylinder (27) is fixedly connected with a rectangular rack (26) on one corresponding side.
7. The water sampling device of claim 6, wherein: three evenly distributed screw pin holes (32) are formed in the outer annular surface of the outer sleeve (31), three evenly distributed positioning pins (34) are fixedly arranged at the top of the outer annular surface of the sampling inner cylinder (33), and the outer end part of each positioning pin (34) is slidably clamped in the screw pin hole (32) on the corresponding side.
8. The water sampling device of claim 7, wherein: the bottom of every sampling inner tube (33) all overlaps and is equipped with concentric rigid coupling's external screw thread ring (35), every the screw thread through-hole has all been seted up to the outer tip of L type support (3), every external screw thread ring (35) all spiral insert establish in corresponding screw thread through-hole and with screw thread through-hole screw thread locking, and the bottom surface middle part of every sampling inner tube (33) all is equipped with hand ball valve (36) that link up the distribution.
9. The water sampling device of claim 8, wherein: the six corners of the bottom surface of the hexagonal base (1) are fixedly provided with ground inserting rods (37) which are vertically distributed, the six corners of the top surface of the hexagonal base (1) are fixedly provided with threaded cylinders (38) which are vertically distributed, and the top port of each threaded cylinder (38) is internally inserted with a lifting ring screw rod (39) which is in threaded connection.
10. The method for sampling a body of water according to claim 9, comprising the steps of:
step one, six lifting ring screws (39) are connected with a lifting rope, the hexagonal base (1) is slowly sunk into a river through the lifting rope, the bottom end part of the ground inserting rod (37) is inserted into the river bottom, and the ground inserting rod is kept stand for a period of time;
Step two, starting a waterproof motor (16), wherein a motor shaft of the waterproof motor (16) drives a bevel gear disk (17) to synchronously rotate, and the bevel gear disk (17) is meshed to drive a driven bevel gear (15) and a fixed shaft (12) to reversely rotate so as to drive a crank swing arm (13) to upwards rotate;
Under the limiting action of the limiting pin shaft (14) and the elliptical pin hole, the T-shaped connecting plate (18) drives the fixed connecting plate (22) and the rectangular sliding plate (21) to slide upwards along the U-shaped clamping rail (2), and synchronously drives the pair of positioning lugs (23), the positioning shaft (24), the outer sleeve (31) and the rectangular rack (26) to translate upwards;
Step four, synchronously driving the oblique sliding cylinder (27) to slide obliquely upwards along the oblique sliding rod (29) and driving the rectangular rack (26) to slide along the rectangular sliding chute, and driving the linkage gear (25), the positioning shaft (24) and the outer sleeve (31) to rotate by re-meshing the rectangular rack (26);
Fifthly, when the outer sleeve (31) rotates and rises, the sampling inner cylinder (33) is kept motionless, the positioning pin shaft (34) is driven to slide along the spiral pin hole (32), and after the outer sleeve (31) rises for a certain distance along the sampling inner cylinder (33), river water in a river enters the top end opening of the sampling inner cylinder (33) along the spiral pin hole (32) and fills the sampling inner cylinder (33);
Step six, after the sampling inner cylinder (33) is filled with river water, the crank swing arm (13) rotates downwards to drive the outer sleeve (31) to reset in the opposite direction, the outer sleeve (31) is sleeved on the sampling inner cylinder (33), then the hexagonal base (1) is taken out through the lifting rope and placed on the ground, then the manual ball valve (36) is opened in sequence, and the water sample in the sampling inner cylinder (33) is taken out through the test tube.
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| CN202410509030.9A CN118090325B (en) | 2024-04-26 | 2024-04-26 | Water sampling device and sampling method thereof |
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| CN202410509030.9A CN118090325B (en) | 2024-04-26 | 2024-04-26 | Water sampling device and sampling method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118320544A (en) * | 2024-06-17 | 2024-07-12 | 太原师范学院 | Laboratory machine room ventilation dust removal equipment and dust removal method thereof |
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