CN114264509B - Water sampling device and application method thereof - Google Patents
Water sampling device and application method thereof Download PDFInfo
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- CN114264509B CN114264509B CN202210005574.2A CN202210005574A CN114264509B CN 114264509 B CN114264509 B CN 114264509B CN 202210005574 A CN202210005574 A CN 202210005574A CN 114264509 B CN114264509 B CN 114264509B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 238000005070 sampling Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 230000005484 gravity Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 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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Abstract
The invention provides a water sampling device and a using method thereof, wherein the water sampling device comprises a buoyancy plate, an outer barrel and a collecting barrel, the outer barrel is connected with the bottom of the buoyancy plate, the outer barrel is provided with a water inlet, the collecting barrel is sleeved with the outer barrel in a sliding manner, the top of the collecting barrel is connected with a top cover, a sealing plug is arranged in the collecting barrel, the top of the sealing plug is connected with a lifting rope, the bottom of the sealing plug is connected with a balancing weight, the bottom of the collecting barrel is connected with a bottom cover, an upper water outlet is arranged on the bottom cover, the collecting barrel is rotationally connected with a rotary cover, a lower water outlet is arranged on the rotary cover, a convex cone block is arranged on the outer wall of the collecting barrel, and the water sampling device further comprises a limiting assembly for limiting the convex cone block. The device has a simple structure, and can realize water sampling and plugging, thereby preventing water outflow and water inflow in the sampling process, and further realizing more accurate sampling and detection at a specific position.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to a water sampling device and a use method thereof.
Background
In order to master the water quality condition in the river, a detector needs to sample the river water to detect, and the current common sampling mode is to manually put a sampling barrel into the water and then to lift the sampling barrel from the water flow to sample the river water.
Disclosure of Invention
In order to solve the problems in the prior art, a water sampling device and a use method thereof are provided.
The technical scheme adopted for solving the technical problems is as follows:
The invention provides a water sampling device, which comprises a buoyancy plate, an outer cylinder and a collecting cylinder, wherein the outer cylinder is connected to the bottom of the buoyancy plate, and is provided with a water inlet; the collecting cylinder is provided with a slot, the collecting cylinder is sleeved with the outer cylinder in a sliding manner, the top of the collecting cylinder is connected with a top cover, the top cover is provided with an air hole, a sealing plug is arranged in the collecting cylinder, the top of the sealing plug is connected with a lifting rope, the lifting rope freely penetrates through the top cover and the buoyancy plate to extend to the outside, and the bottom of the sealing plug is connected with a balancing weight; the bottom of the collecting cylinder is connected with a bottom cover, and an upper water outlet is formed in the bottom cover; the collecting barrel bottom cover is rotatably connected with a rotary cover, and the rotary cover is provided with a lower water outlet; the outer wall of the collecting cylinder is provided with a convex cone block; the device also comprises a limiting assembly used for limiting the protruding cone block.
The limiting component comprises a first connecting rod used for limiting the protruding cone block, the first connecting rod is hinged to a second connecting rod, the first connecting rod and the second connecting rod are in sliding connection with the outer barrel, a third connecting rod is arranged below the first connecting rod, a fourth connecting rod is hinged to the third connecting rod, the third connecting rod and the fourth connecting rod are in sliding connection with the outer barrel, the limiting component is further provided with a supporting frame, the supporting frame is in sliding connection with the outer barrel, the second connecting rod and the fourth connecting rod are hinged to the supporting frame respectively, the top of the supporting frame freely penetrates through the buoyancy plate and extends to the top of the buoyancy plate, and the supporting frame is connected with a sleeve.
The inner wall of the outer cylinder is provided with a first chute, the side end of the collecting cylinder is provided with a protrusion, the protrusion is slidably connected in the first chute, the inner wall of the outer cylinder is provided with a second chute, the protruding cone block is slidably connected in the second chute, the outer cylinder and the buoyancy plate are provided with a third chute, and the third chute is slidably connected with a supporting frame.
Two air holes are formed in the middle of the top cover of the collecting cylinder, and the blocking plug is used for blocking and sealing the air holes.
The middle of the bottom cover of the collecting cylinder is connected with the middle of the rotary cover through a rotating shaft, and the upper water outlet is communicated with the lower water outlet through rotating the rotary cover.
The bottom of the bottom cover is provided with a sealing groove, and the top of the rotary cover is provided with a convex block which is inserted into the sealing groove and slides relatively along the sealing groove.
The buoyancy plate is characterized in that a sealing block is connected with the middle of the top of the buoyancy plate in a threaded manner, a sliding cylinder is fixedly connected to the upper end of the sealing block, a sleeve is sleeved outside the sliding cylinder, and the sleeve is connected with the sealing block through a spring.
One end of the lifting rope freely passes through the sealing block, the sleeve and the sliding cylinder and extends outwards.
The convex conical block surface is in an inclined triangle shape.
The invention also provides a use method of the water sampling device, which comprises the following steps:
s1: when the device is used, a worker picks up the lifting rope and puts the collecting cylinder into water:
S2: the method comprises the steps that a lifting rope is loosened in water of a collecting cylinder, a balancing weight moves downwards to the bottom of the collecting cylinder, a protruding cone block extrudes a first connecting rod under the action of the balancing weight, the first connecting rod is contracted inwards under extrusion, at the moment, the collecting cylinder starts to move downwards, an outer cylinder water inlet hole is communicated with a groove of the collecting cylinder, the collecting cylinder starts to enter water, the collecting cylinder continues to move downwards under the gravity of the water, a protruding cone block extrudes a third connecting rod in a second chute, the third connecting rod is contracted inwards, the protruding cone block continues to move downwards, when the protruding cone block passes over the third connecting rod, the third connecting rod is reset under the action of spring force, and at the moment, a protrusion at the side end of the collecting cylinder slides to the lowest end of the first chute; the bulge at the side end of the collecting cylinder cannot move downwards under the limit of the first chute, and at the moment, the water inlet hole on the outer cylinder and the groove of the collecting cylinder are arranged in a staggered manner and are not communicated any more; the water can not enter the collecting cylinder, and the collecting cylinder can not move upwards relative to the outer cylinder because the protruding cone block is arranged below the third connecting rod, and the collecting cylinder is filled with water and is blocked in the collecting cylinder.
S3: lifting the lifting rope upwards, and enabling the blocking plug to block the air holes along with the upward movement of the lifting rope, and continuously lifting the lifting rope at the moment, so that the whole water taking device is lifted.
Compared with the prior art, the invention has the following advantages:
1. This kind of water sampling device adopts the spacing mode of connecting rod to carry out spacing to the collection tube, and has two sets of spacing on one device, and first group's limit is used for the collection tube to move down and can open the water inlet for sampling water gets into the collection tube from urceolus trompil. The second group of limit is used for limiting the water filled in the collecting cylinder, so that the collecting cylinder is prevented from being blocked when the sampling device is lifted upwards, and the sampling water is blocked in the collecting cylinder.
2. The water sampling device adopts a rotary opening and closing mode to drain water, namely, the water drain ports of two layers are corresponding in a rotary dislocation mode, so that sampling water is discharged, and the mode greatly ensures that the sampling water is not leaked.
3. The water sampling device adopts a lifting rope mode to sample, namely, the sampling device is thrown into remote water flow by holding the lifting rope, so that the remote water flow can be sampled.
4. This kind of water sampling device adopts sleeve pull-up mode to reset, promptly through holding the sleeve and pull-up, the support frame that the sleeve is connected moves up to drive spacing subassembly and inwards shrink, press the collection tube simultaneously, realize resetting sampling device, so that the sample next time.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a schematic view of the structure of the collecting cylinder after relative sliding.
Fig. 3 is a schematic view of the structure along the A-A direction.
Fig. 4 is a schematic view of the structure in the B-B direction.
Fig. 5 is a schematic diagram of the structure when the slots and the water inlet holes are misplaced.
Fig. 6 is a schematic view of the structure in the C-C direction.
Fig. 7 is a schematic view of a limiting assembly.
Fig. 8 is a schematic view of the structure in the direction D-D.
Reference numerals illustrate:
1. A hanging rope; 2. a buoyancy plate; 3. an outer cylinder; 4. a collection cylinder; 5. a bottom cover; 6. a rotary cover; 7. a protrusion; 8. a first chute; 9. balancing weight; 10. sealing the plug; 11. ventilation holes; 12. a sleeve; 13. a slide cylinder; 14. a sealing block; 15. an upper water outlet hole; 16. a lower water outlet hole; 17. sealing grooves; 18. a rotating shaft; 19. a water inlet hole; 20. slotting; 21. a support frame; 22. a second link; 23. a first link; 24. protruding cone blocks; 25. a spring; 26. a second chute; 27. a fourth link; 28. a third link; 29. a top cover; 30. a third chute; 31. and a bump.
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.
Referring to fig. 1-8, the present embodiment provides a water sampling seal device, which includes a buoyancy plate 2, an outer cylinder 3, and a collecting cylinder 4, wherein the outer cylinder 3 is connected to the bottom of the buoyancy plate 2, and the outer cylinder 3 is provided with a water inlet 19; the collecting cylinder is provided with a slot 20, water flows into the collecting cylinder 4 through the water inlet hole 19 and the slot 20, the collecting cylinder 4 and the outer cylinder 3 are sleeved with sliding connection, the collecting cylinder 4 can move up and down in the outer cylinder 3, the top of the collecting cylinder 4 is connected with a top cover 29, the upper end of the top cover 29 is provided with an air hole 11, air can be discharged through the air hole 11 when water flows in, a sealing plug 10 is arranged in the collecting cylinder 4, the sealing plug 10 is used for sealing the air hole 11, the bottom of the sealing plug 10 is connected with a balancing weight 9, the top of the sealing plug 10 is connected with a lifting rope 1, the lifting rope 1 freely penetrates through the top cover 29 and the buoyancy plate 2 to extend out, the bottom of the collecting cylinder 4 is connected with a bottom cover 5, and the bottom cover 5 is provided with an upper water outlet 15; the bottom of the bottom cover 5 is provided with a sealing groove 17, the top of the rotary cover 6 is provided with a lug 31, the lug 31 is inserted into the sealing groove 17 and slides relatively along the sealing groove 17, the bottom cover 5 of the collecting cylinder 4 is rotatably connected with the rotary cover 6, and the rotary cover 6 is provided with a lower water outlet 16; the bottom cover 4 is connected with the middle of the rotary cover 6 through a rotating shaft, the rotary cover 6 rotates to enable the lower water outlet 16 to be communicated with the upper water outlet 15, water flows out of the collecting cylinder 4, a protruding cone block 24 is arranged on the outer wall of the collecting cylinder 4, the face of the protruding cone block 24 is in an inclined triangle shape, and the rotary cover further comprises a limiting component used for limiting the protruding cone block 24.
The limiting component comprises a first connecting rod 23 used for protruding a cone block 24 to limit, the first connecting rod 23 is hinged with a second connecting rod 22, the first connecting rod 23 and the second connecting rod 22 are in sliding connection with the outer cylinder 3, a third connecting rod 24 is arranged below the first connecting rod 23, a fourth connecting rod 25 is hinged with the third connecting rod 24, the third connecting rod 28 and the fourth connecting rod 27 are in sliding connection with the outer cylinder 3, the first group of limiting positions are used for downwards moving the collecting cylinder 4 and opening the water inlet 19, so that sample water enters the collecting cylinder 4 from the water inlet 19 of the outer cylinder 3, the second group of limiting positions are used for limiting the collecting cylinder 4 after the collecting cylinder 4 is filled with water, a plugging effect is prevented when the sampling device is lifted upwards, so that the sample water is plugged in the collecting cylinder 4, the limiting component is further provided with a supporting frame 21, the supporting frame 21 is in sliding connection with the outer cylinder 3, the second connecting rod 22 and the fourth connecting rod 27 are respectively hinged with the supporting frame 21, the top of the supporting frame 21 freely penetrates through the buoyancy plate 2 to the top of the buoyancy plate 2, the middle of the buoyancy plate 2 is in threaded connection with a sealing block 14, the sealing block 14 is fixedly connected with the sealing block 13, the sealing block 13 is connected with the sealing block 13 and the sealing block 13 is connected with the sealing sleeve 13, and the sealing sleeve 13 is connected with the sealing sleeve 13 through the sealing sleeve 13, and the sealing sleeve is connected with the sealing sleeve 13 is connected with the sealing sleeve.
The inner wall upper end of the outer cylinder 3 is provided with a first chute 8, the side end of the collecting cylinder 4 is provided with a bulge 7, the bulge 7 is slidably connected in the first chute 8, the bulge 7 can move up and down in the first chute 8, the inner wall of the outer cylinder 3 is provided with a second chute 26, the bulge cone block 24 is slidably connected in the second chute 26, the bulge cone block 24 can move up and down in the second chute 26, the outer cylinder 3 and the buoyancy plate 2 are provided with a third chute 30, and the third chute 30 is slidably connected with a supporting frame 21.
The lifting rope 1 is loosened, under the action of the gravity of the balancing weight 9 and the plugging plug 10, the balancing weight 9 is in contact with the inner bottom surface of the collecting cylinder 4, and the gravity of the balancing weight 9 is larger than the friction force between the first connecting rod 23 and the protruding cone block 24, so that the protruding cone block 24 moves downwards and extrudes the first connecting rod 23 to a certain extent to move left. After the convex cone block 24 is separated from the first connecting rod 23, the collecting cylinder 4 starts to move downwards along the first connecting rod 8, the water inlet hole 19 formed in the outer cylinder 3 is communicated with the groove 20 formed in the side wall of the collecting cylinder 4, so that water flows into the collecting cylinder 4 through the water inlet hole 19 and the groove 20, the collecting cylinder 4 is driven to move downwards continuously along with the increase of the water quantity in the collecting cylinder 4, the convex cone block 24 presses the third connecting rod 28 to move left in the second connecting rod 8 and is separated from the third connecting rod 28, the convex cone block 24 moves downwards continuously, when the convex cone block 24 passes over the third connecting rod 28, the third connecting rod 28 is reset under the action of the elastic force of the spring 25, and at the moment, the bulge 7 at the side end of the collecting cylinder 4 slides to the lowest end of the first connecting rod 8; the bulge 7 at the end of the collecting cylinder side 4 cannot move downwards under the limit of the first chute 8, and at the moment, the water inlet 19 on the outer cylinder and the collecting cylinder 4 are arranged in a staggered way and are not communicated any more; the collecting cylinder 4 cannot enter water, and the collecting cylinder 4 cannot move upwards relative to the outer cylinder 3 because the protruding conical block 24 is arranged below the third connecting rod 28, and at this time, the collecting cylinder 4 is filled with water and is blocked in the collecting cylinder 4.
Two air holes 11 are formed in the upper end of the collecting cylinder 4 and used for discharging air out of the collecting cylinder 4 along with water entering, then sampling personnel start to lift the lifting rope 1 upwards, the blocking plug 10 blocks the air holes 11 along with upward movement of the lifting rope 1, and at the moment, the lifting rope 1 is continuously lifted, so that the whole water taking device is lifted out of the water surface. The sampling personnel rotates the rotary cover 6 to enable the bottom cover 5 and the rotary cover 6 to form dislocation rotation, at the moment, the upper water outlet hole 15 is communicated with the lower water outlet hole 16, water in the collecting cylinder 4 flows out into other collecting vessels along the upper water outlet hole 15 and the lower water outlet hole 16, and at the moment, the sampling work is completed.
The invention also provides a use method of the water sampling device, which comprises the following steps:
S1: when in use, a worker picks up the lifting rope 1 and puts the collecting cylinder 4 into water;
S2: when the collecting cylinder is put into water, the lifting rope 1 is loosened, the balancing weight 9 is moved down to the bottom of the collecting cylinder 4, and then
Under the action of the weight 9, the convex cone block 24 extrudes the first connecting rod 23, the first connecting rod 23 is contracted inwards under extrusion, at the moment, the collecting cylinder 4 starts to move downwards, the water inlet 19 of the outer cylinder 3 is communicated with the groove 20 of the collecting cylinder 4, the collecting cylinder 4 starts to feed water, under the gravity of water, the collecting cylinder 4 continues to move downwards, the convex cone block 24 extrudes the third connecting rod 28 in the second chute 8 to contract the third connecting rod 28 inwards, the convex cone block 24 continues to move downwards, when the convex cone block 24 passes over the third connecting rod 28, the third connecting rod 28 is limited and reset under the action of the elastic force of the spring 25, and at the moment, the protrusion at the side end of the collecting cylinder slides to the lowest end of the first chute; the bulge 7 at the side end of the collecting cylinder 4 cannot move downwards under the limit of the first chute 8, and at the moment, the water inlet hole 19 on the outer cylinder 3 and the slot 20 of the collecting cylinder 4 are arranged in a staggered manner and are not communicated any more; the collecting cylinder 4 cannot enter water, and the collecting cylinder 4 cannot move upwards relative to the outer cylinder 3 because the protruding conical block 24 is arranged below the third connecting rod 28, and at this time, the collecting cylinder 4 is filled with water and is blocked in the collecting cylinder 4.
And S3, lifting the lifting rope upwards, and enabling the blocking plug to block the air holes along with the upward movement of the lifting rope, and continuously lifting the lifting rope at the moment, so that the whole water taking device is used for taking out water.
S4: after the sampling is completed, the sliding cylinder 13 is pinched to move upwards along the sleeve 12, so that the supporting frame 21 is driven to move upwards, the second connecting rod 22, the first connecting rod 23, the fourth connecting rod 27 and the third connecting rod 28 are driven to shrink inwards along with the upward movement of the supporting frame 21, at the moment, the first connecting rod 23 and the third connecting rod 28 are in contact and limit, and then a sampling person presses the collecting cylinder 4 into the outer cylinder 3, so that the collecting cylinder 4 is restored to an initial state. Then, the sampler releases the sleeve 13, and the slide 13 moves downward under the elastic restoring action of the spring 25, so that the support 21, the second link 22, the first link 23, the fourth link 27 and the third link 28 are restored to the initial state to wait for the next sampling operation.
The working principle of the invention is as follows:
The lifting rope 1 is grabbed, the sampling device is thrown out and placed in water, in the throwing process, the first connecting rod 23 is in contact with the convex conical block 24, so that the collecting cylinder 4 cannot slide downwards in the outer cylinder 3 until the water enters, under the action of the buoyancy plate 2, the outer cylinder 3 and the buoyancy plate 2 float on the water surface, the lifting rope 1 is loosened, the balancing weight 9 is in contact with the inner bottom surface of the collecting cylinder 4 under the action of gravity, and the gravity of the balancing weight 9 is larger than the friction force between the first connecting rod 23 and the convex conical block 24, so that the convex conical block 24 moves downwards, and the first connecting rod 23 is extruded to the left to a certain extent. After the protruding cone block 24 is separated from the first connecting rod 23, the collecting cylinder 4 starts to move downwards along the first sliding groove 8, the water inlet hole 19 formed in the outer cylinder 3 is communicated with the groove 20 formed in the side wall of the collecting cylinder 4, so that water flows into the collecting cylinder 4 through the water inlet hole 19 and the groove 20, the collecting cylinder 4 is driven to move downwards along with the increase of the water quantity in the collecting cylinder 4, the protruding cone block 24 presses the third connecting rod 28 in the second sliding groove 8 to move left and separate from the third connecting rod 28, the protruding cone block 24 moves downwards continuously, when the protruding cone block 24 passes over the third connecting rod 28, the third connecting rod 28 is reset under the action of the spring 25, at the moment, the protrusion 7 at the side end of the collecting cylinder 4 cannot move downwards under the limit of the first sliding groove 8, at the moment, the water inlet hole 19 on the outer cylinder 3 is connected with the outer wall of the collecting cylinder 4, the collecting cylinder 4 cannot enter water, and the protruding cone block 24 cannot move upwards under the limit of the third connecting rod 28, and water collection is completed. Then the sampling personnel starts to lift the lifting rope 1 upwards, and the blocking plug 10 blocks the air holes 11 along with the upward movement of the lifting rope 1, so that the whole water taking device is lifted out of the water surface after the lifting rope 1 is continuously lifted. After the bank is mentioned, sampling personnel rotate the rotary cover 6 to enable the bottom cover 5 and the rotary cover 6 to form dislocation rotation, at the moment, the upper water outlet hole 15 is communicated with the lower water outlet hole 16, water in the collecting cylinder 4 flows out to other collecting vessels along the upper water outlet hole 15 and the lower water outlet hole 16, and at the moment, sampling work is completed.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a water sampling device, includes buoyancy board (2), urceolus (3), collection section of thick bamboo (4), its characterized in that: the outer cylinder (3) is connected to the bottom of the buoyancy plate (2), and the outer cylinder (3) is provided with a water inlet hole (19); the collecting cylinder (4) is provided with a slot (20), the collecting cylinder (4) is sleeved with the outer cylinder (3) in a sliding mode, the top of the collecting cylinder (4) is connected with a top cover (29), the top cover (29) is provided with an air vent (11), a sealing plug (10) is arranged in the collecting cylinder (4), the top of the sealing plug (10) is connected with a lifting rope (1), and the lifting rope (1) freely penetrates through the top cover (29) and the buoyancy plate (2) to extend to the outside; the bottom of the sealing plug (10) is connected with a balancing weight (9); the bottom of the collecting cylinder (4) is connected with a bottom cover (5), and an upper water outlet (15) is formed in the bottom cover (5); the bottom cover (5) is rotatably connected with a rotary cover (6), and the rotary cover (6) is provided with a lower water outlet (16); the outer wall of the collecting cylinder (4) is provided with a convex cone block (24); the device also comprises a limiting assembly for limiting the protruding cone block (24);
The limiting assembly comprises a first connecting rod (23) used for limiting the protruding cone block (24), the first connecting rod (23) is hinged with a second connecting rod (22), the first connecting rod (23) and the second connecting rod (22) are in sliding connection with the outer cylinder (3), a third connecting rod (28) is arranged below the first connecting rod (23), a fourth connecting rod (27) is hinged with the third connecting rod (28), the third connecting rod (28) and the fourth connecting rod (27) are in sliding connection with the outer cylinder (3), the limiting assembly is further provided with a supporting frame (21), the supporting frame (21) is in sliding connection with the outer cylinder (3), the second connecting rod (22) and the fourth connecting rod (27) are respectively hinged with the supporting frame (21), the top of the supporting frame (21) freely penetrates through the buoyancy plate (2) to the top of the buoyancy plate (2), and the top of the supporting frame (21) is connected with a sleeve (13);
The utility model discloses a buoyancy tank, including urceolus (3) inner wall upper end, urceolus (3) inner wall upper end is equipped with first spout (8), the collection cylinder (4) side is equipped with arch (7), arch (7) sliding connection is in first spout (8), urceolus (3) inner wall is equipped with second spout (26), protruding awl piece (24) sliding connection is in second spout (26), urceolus (3) are equipped with third spout (30) with buoyancy board (2), sliding connection has support frame (21) in third spout (30).
2. A water sampling device according to claim 1, wherein: two ventilation holes (11) are formed in the middle of the top cover of the collecting cylinder (4), and the sealing plug (10) is used for sealing the ventilation holes (11).
3. A water sampling device according to claim 1, wherein: the middle of the bottom cover (5) of the collecting cylinder (4) is connected with the middle of the rotary cover (6) through a rotating shaft (18).
4. A water sampling device according to claim 1, wherein: the bottom cover (5) bottom is equipped with seal groove (17), rotatory lid (6) top is equipped with lug (31), lug (31) insert in seal groove (17) to slide along seal groove (17) relatively.
5. A water sampling device according to claim 1, wherein: the buoyancy plate (2) is characterized in that a sealing block (14) is connected to the middle of the top of the buoyancy plate in a threaded mode, a sliding barrel (12) is fixedly connected to the upper end of the sealing block (14), a sleeve (13) is sleeved outside the sliding barrel (12), and the sleeve (13) is connected with the sealing block (14) through a spring.
6. A water sampling device according to claim 5, wherein: one end of the lifting rope (1) freely passes through the sealing block (14), the sleeve (13) and the sliding cylinder (12) and extends outwards.
7. A method of using a water sampling device, characterized by: a water sampling device according to any one of claims 1 to 6, comprising the steps of:
s1: when in use, a worker picks up the lifting rope (1) to put the collecting cylinder (4) into water;
S2: the method comprises the steps that when a collecting cylinder (4) is placed in water, a lifting rope (1) is loosened, a balancing weight (9) moves downwards to the bottom of the collecting cylinder, a protruding conical block (24) is enabled to be extruded to a first connecting rod (23) under the action of the balancing weight (9), the first connecting rod (23) is extruded to be contracted inwards, at the moment, the collecting cylinder (4) starts to move downwards, a water inlet hole (19) of an outer cylinder (3) is communicated with a groove (20) of the collecting cylinder (4), the collecting cylinder (4) starts to feed water, under the gravity of the water, the collecting cylinder (4) continues to move downwards, the protruding conical block (24) extrudes a third connecting rod (28) under the action of a first chute (26) to enable the third connecting rod (28) to be contracted inwards, the third connecting rod (28) continues to move downwards under the extrusion, when the protruding conical block (24) passes over the third connecting rod (28), the third connecting rod (28) is reset under the action of elastic force of a spring (25), and at the moment, a lateral end bulge (7) of the collecting cylinder (4) slides to the lowest end of the first chute (8); the bulge (7) at the side end of the collecting cylinder (4) cannot move downwards under the limit of the first chute (8), and at the moment, the water inlet (19) on the outer cylinder (3) and the slot (20) of the collecting cylinder (4) are arranged in a staggered manner and are not communicated; the collecting cylinder (4) cannot enter water, and the collecting cylinder (4) cannot move upwards relative to the outer cylinder (3) because the protruding conical block (24) is arranged below the third connecting rod (28), so that the collecting cylinder (4) is filled with water and is blocked in the collecting cylinder (4);
s3: lifting the lifting rope (1) upwards, and enabling the sealing plug (10) to seal the ventilation holes (11) along with the upward movement of the lifting rope (1), and continuously lifting the lifting rope (1) at the moment, so that the whole water taking device is lifted out of the water.
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| CN202210005574.2A CN114264509B (en) | 2022-01-04 | 2022-01-04 | Water sampling device and application method thereof |
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| CN202210005574.2A CN114264509B (en) | 2022-01-04 | 2022-01-04 | Water sampling device and application method thereof |
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| CN114264509B true CN114264509B (en) | 2024-05-03 |
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| CN113702102A (en) * | 2021-09-08 | 2021-11-26 | 深圳中研塑力科技有限公司 | Automatic sample sensor for sewage detection |
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