CN118980546A - A detection sampling device and method for water conservancy projects - Google Patents
A detection sampling device and method for water conservancy projects Download PDFInfo
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- CN118980546A CN118980546A CN202411049196.3A CN202411049196A CN118980546A CN 118980546 A CN118980546 A CN 118980546A CN 202411049196 A CN202411049196 A CN 202411049196A CN 118980546 A CN118980546 A CN 118980546A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
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- Hydrology & Water Resources (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of hydraulic engineering sampling, in particular to a detection sampling device and a detection sampling method for hydraulic engineering, comprising a water collecting cylinder, wherein the front side of the water collecting cylinder is provided with a water inlet groove, the front side of the water inlet groove is movably provided with a shielding ring, the water collecting cylinder is internally and movably provided with a pressure disc, the upper side activity of a collection water drum is provided with first fixed block, the array is provided with the flabellum on the first fixed block, the downside activity of a collection water drum is provided with the balancing weight, be provided with exhaust mechanism in the collection water drum, the upside of a collection water drum is provided with actuating mechanism. The invention can accurately absorb water in a specified water area through the shielding ring which can be opened and closed in the water bottom, negative pressure can be formed in the water collecting cylinder after the equipment reaches the specified water area, water flow can be quickly absorbed by the negative pressure after the shielding ring is opened, and the water inlet groove can be covered by the filter screen after the shielding ring is lifted, so that stones and the like can be prevented from being blocked in the water inlet groove.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering sampling, in particular to a detection sampling device and method for hydraulic engineering.
Background
The hydraulic engineering is a common name of engineering such as flood control, waterlogging removal, irrigation, power generation, water supply, reclamation, soil and water conservation, immigration, water resource protection and the like and matched and auxiliary engineering thereof, in the hydraulic engineering, water quality is often required to be detected, but an existing sampling device sinks through gravity when sampling, but in the process, if water flow is urgent, the sampling device can displace or sampling errors are caused due to position deviation, in addition, the existing water taking device can cause impurities or stones to block a water inlet in the water taking process, or the water inlet can be blocked by a bottoming, so that the water taking cannot be normally carried out.
Disclosure of Invention
The invention aims to provide a detection sampling device and a detection sampling method for hydraulic engineering, which are used for solving the problems that the water taking position is influenced by water flow and a water inlet is possibly blocked in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a hydraulic engineering is with detecting sampling device and method, includes the collection water drum, the intake groove has been seted up to the front side of collection water drum, the front side activity of intake groove is provided with the shroud ring, the activity is provided with the pressure disk in the collection water drum, the upside activity of collection water drum is provided with first fixed block, the array is provided with the flabellum on the first fixed block, the downside activity of collection water drum is provided with the balancing weight, be provided with exhaust mechanism in the collection water drum, the upside of collection water drum is provided with actuating mechanism, the rear side of collection water drum is provided with drive mechanism, the downside of collection water drum is provided with aggravates mechanism.
Preferably, the exhaust mechanism comprises a second fixed block, a second fixed block is fixedly arranged on the lower side of the water collecting cylinder, a mounting groove is formed in the second fixed block, a rotating motor is fixedly arranged in the mounting groove, a screw is fixedly arranged on an output shaft of the rotating motor, the screw is arranged at the central position of the water collecting cylinder, a screw sleeve is fixedly arranged at the central position of the pressure disc, the screw sleeve is sleeved on the screw through threads, a limiting block is fixedly arranged on the left side and the right side in the water collecting cylinder, a sealing rubber ring is fixedly arranged on the outer side of the pressure disc, the left side and the right side of the pressure disc are matched with the shape of the limiting block, and the sealing rubber ring is tightly attached to the limiting block.
Preferably, the driving mechanism comprises a sealing cover, the sealing cover is fixedly arranged on the upper side of the water collecting cylinder, a mounting ring is arranged at the central position of the sealing cover, a rotating block is rotatably arranged on the mounting ring, a turntable is fixedly arranged on the outer side of the rotating block, air spraying holes are formed in the rotating block and the turntable in an array mode, and a first fixing block is fixedly arranged on the upper side of the turntable.
Preferably, the rotary groove is formed in the sealing cover, the rotary ring is fixedly arranged on the lower side of the rotary block, the rotary ring is provided with the rollers in an array rotation mode, the upper side and the lower side of each roller exceed the rotary ring, and the rollers are attached to the rotary groove.
Preferably, the transmission mechanism comprises a first rack, the first rack is fixedly arranged on the pressure disc, a first gear is rotatably arranged on the upper side of the water collecting cylinder, the position of the first rack is matched with the position of the first gear, a second gear is fixedly arranged on the first gear, a compound gear is meshed on the lower side of the second gear, a double-layer gear is meshed on the lower side of the compound gear, another group of second gears is meshed on the lower side of the double-layer gear, another group of compound gears is meshed on the lower side of the second gear, a third gear is meshed on the lower side of the compound gear, five groups of third gears are meshed on the left side and the right side of the third gear, a second rack is fixedly arranged on the left side and the right side of the shielding ring, the second rack is meshed with the third gear, a block is fixedly arranged on the rear side of the water collecting cylinder in a rotating mode, and the second gear, the double-layer gear and the third block are arranged in the water collecting cylinder.
Preferably, the stopper department has seted up the spout, the spout internalization is provided with the slider, rotate on the slider and install the ball, the size of ball and the size looks adaptation of spout, the spacing groove has been seted up to spout department, fixed mounting has the fixture block on the slider, fixture block slidable mounting is at the spacing groove, two sets of movable grooves have been seted up in the slider, movable rod has been inserted to the activity inslot activity, the spring has been cup jointed on the movable rod, movable rod fixed mounting is at the shielding ring.
Preferably, a weighting disc is fixedly arranged at the lower end of the water collecting drum, the weighting disc array is provided with a flow hole, and rope hooks are fixedly arranged at the left side and the right side of the weighting disc.
Preferably, the front side of the weighting disc is provided with an annular groove, the lower end of the shielding ring is fixedly provided with a filter screen, and the size of the filter screen is matched with the size of the water inlet groove.
Preferably, the weighting mechanism comprises a weighting disc, a fixed rod is fixedly arranged at the central position of the weighting disc, a conical block is fixedly arranged at the lower side of the fixed rod, a limit rod is fixedly arranged on the conical block, a threaded rod is fixedly arranged at the upper side of the limit rod, the distance between the threaded rod and the weighting disc is matched with the width of the balancing weight, a threaded sleeve is sleeved on the threaded rod, a jack is formed in the balancing weight, a U-shaped groove is formed in the balancing weight, the limit rod is inserted in the jack, and the size of the U-shaped groove is matched with the size of the fixed rod.
Preferably, the rope is fixed on the rope hook, the collecting water barrel is placed in water, at the moment, the collecting water barrel sinks, the balancing weight can be placed at the conical block to weight the collecting water barrel, then the rotating motor is started to enable the pressure disc to rise, at the moment, air in the collecting water barrel is discharged from the air spraying holes, the air is discharged under the guidance of the air spraying holes to drive the rotary disc and the fan blades to rotate so that the collecting water barrel can sink quickly, then the pressure disc continuously rises so that the shielding ring drives to rise to open the water inlet groove, the collecting water sample is started, and then the pressure disc moves downwards to drive the shielding ring to move to seal the water inlet groove.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the shielding ring which can be switched on and off in the water bottom can accurately absorb water in a specified water area, negative pressure can be formed in the water collecting cylinder after the equipment reaches the specified water area, water flow can be rapidly absorbed by the negative pressure after the shielding ring is opened, the water inlet groove can be blocked by the filter screen after the shielding ring is lifted, so that stones and the like can be prevented from being blocked by the water inlet groove, the equipment can be rapidly lowered in the descending process of the equipment in a mode of spraying air flow, the water taking time of the equipment is shorter, the influence of water flow on water taking of the equipment is reduced, the self weight of the equipment can be changed, and the suitability of the equipment in use is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic elevational view of the structure of the present invention;
FIG. 2 is a schematic rear view of the structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the structure of the present invention;
FIG. 4 is a schematic illustration showing the separation of the structure at the second gear of the present invention;
FIG. 5 is a schematic view of the seal cap of the present invention with its structure separated;
FIG. 6 is a schematic illustration of the separation of the structure at the shadow ring of the present invention;
FIG. 7 is a schematic view of the structural separation at the weighted disc of the present invention;
FIG. 8 is an enlarged partial schematic view of the FIG. 3A;
FIG. 9 is an enlarged partial schematic view of the B of FIG. 5 according to the present invention;
fig. 10 is an enlarged partial schematic view of C of fig. 6 in accordance with the present invention.
In the figure: 1. a water collecting cylinder; 2. a water inlet tank; 3. a shadow ring; 4. a pressure plate; 5. a first fixed block; 6. a fan blade; 7. balancing weight; 8. a second fixed block; 9. a mounting groove; 10. a rotating electric machine; 11. a screw; 12. a limiting block; 13. a screw sleeve; 14. sealing rubber rings; 15. sealing cover; 16. a mounting ring; 17. a rotating block; 18. a turntable; 19. a gas injection hole; 20. a rotary groove; 21. a swivel; 22. a roller; 23. a first rack; 24. a first gear; 25. a second gear; 26. a composite gear; 27. a double-layer gear; 28. a third gear; 29. a second rack; 30. a shielding block; 31. a chute; 32. a slide block; 33. a ball; 34. a limit groove; 35. a clamping block; 36. a movable groove; 37. a movable rod; 38. a spring; 39. a weight plate; 40. a flow hole; 41. rope hooks; 42. an annular groove; 43. a filter screen; 44. a fixed rod; 45. a conical block; 46. a limit rod; 47. a threaded rod; 48. a threaded sleeve; 49. a jack; 50. u-shaped groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, an embodiment of the present invention is provided: the utility model provides a hydraulic engineering is with detecting sampling device and method, including collecting water drum 1, the front side of collecting water drum 1 has seted up intake groove 2, the front side activity of intake groove 2 is provided with shielding ring 3, the activity of collecting water drum 1 is provided with pressure disk 4, the upside activity of collecting water drum 1 is provided with first fixed block 5, the array is provided with flabellum 6 on the first fixed block 5, the downside activity of collecting water drum 1 is provided with balancing weight 7, be provided with exhaust mechanism in the collecting water drum 1, the upside of collecting water drum 1 is provided with actuating mechanism, the rear side of collecting water drum 1 is provided with drive mechanism, the downside of collecting water drum 1 is provided with weighting mechanism, this equipment makes the air in the collecting water drum 1 upwards discharge so that the formation negative pressure that is located collecting water drum 1 downside part, and the air in the collecting water drum 1 upwards discharges and passes through rotary block 17 and gets into rotary block 17, and discharge from air jet 19, in this process air current is discharged from rotary table 18 from 19 and can drive rotary table 18 rotation and thereby drive first fixed block 5 and flabellum 6 and carry out the equipment of the rotation, thereby the equipment of the suitability of the equipment of carrying out is further can be changed when the equipment is used to carry out the weight is improved;
Further, exhaust mechanism includes second fixed block 8, second fixed block 8 has been seted up in the second fixed block 8to the downside fixed mounting of collection water drum 1, mounting groove 9 has rotating electrical machines 10 in the mounting groove 9, fixed mounting has screw rod 11 on the output shaft of rotating electrical machines 10, screw rod 11 sets up the central point of collection water drum 1 put, the central point of pressure disk 4 puts fixed mounting and has swivel nut 13, swivel nut 13 cup joints on screw rod 11 through the screw thread, the left and right sides fixed mounting in the collection water drum 1 has stopper 12, the outside fixed mounting of pressure disk 4 has sealing rubber ring 14, the left and right sides and the shape looks adaptation of stopper 12 of sealing rubber ring 14 are closely laminated with stopper 12to sealing rubber ring 14, screw rod 11 drives pressure disk 4 through the screw thread effect between with swivel nut 13 during the use, sealing rubber ring 14 moves along stopper 12 this moment, thereby the air in the collection water drum 1 upwards discharges and makes the formation negative pressure that is located the downside part of collection water drum 1, and the air in the collection water drum 1 upwards discharges the piece 17 and gets into 17 through the rotatory piece 17, and the air jet hole is followed in the quick-out of rotation of rotary drum 1, thereby the air current and the air-jet device is carried out in the fixed hole 19 and is carried out in the air-jet 1, thereby the stability is increased in the process, and the air-jet device is reduced and is carried out in the stability is improved.
Further, actuating mechanism includes sealed lid 15, sealed lid 15 is fixed mounting in the upside of collection water drum 1, the central point of sealed lid 15 puts and is provided with collar 16, install the commentaries on classics piece 17 on the collar 16 rotation, the outside fixed mounting of commentaries on classics piece 17 has carousel 18, the fumarole 19 has been seted up to the equal array on commentaries on classics piece 17 and the carousel 18, the upside fixed mounting of carousel 18 has first fixed block 5, this structure is when using rotatory motor 10 starts and drives screw rod 11 rotatory, screw rod 11 drives pressure dish 4 through the screw thread effect between with swivel nut 13 and rises, sealing rubber ring 14 moves along stopper 12 this moment for pressure dish 4 can remove in collection water drum 1, thereby provide the condition for exhaust and switch shielding ring 3.
Further, the rotary groove 20 is formed in the sealing cover 15, the rotary ring 21 is fixedly arranged on the lower side of the rotary block 17, the rollers 22 are rotatably arranged on the rotary ring 21 in an array mode, the upper side and the lower side of each roller 22 exceed the rotary ring 21, the rollers 22 are attached to the rotary groove 20, the rotary ring 21 rotates in the rotary groove 20 when the rotary table is used, at the moment, the rollers 22 rotate in the rotary groove 20, accordingly friction of the rotary table 18 during rotation is reduced, and stability of the rotary table is improved when the rotary table is used.
Further, the transmission mechanism comprises a first rack 23, the first rack 23 is fixedly arranged on the pressure disc 4, a first gear 24 is rotatably arranged on the upper side of the water collecting drum 1, the position of the first rack 23 is matched with that of the first gear 24, a second gear 25 is fixedly arranged on the first gear 24, a compound gear 26 is meshed on the lower side of the second gear 25, a double-layer gear 27 is meshed on the lower side of the compound gear 26, another group of second gears 25 is meshed on the lower side of the double-layer gear 27, another group of compound gears 26 is meshed on the lower side of the second gear 25, a third gear 28 is meshed on the lower side of the compound gear 26, five groups of third gears 28 are meshed on the left side and the right side of the third gear 28, a second rack 29 is fixedly arranged on the left side and the right side of the shielding ring 3, the second rack 29 is meshed with the third gear 28, the second gear 25, the compound gear 26, the double-layer gear 27 and the third gear 28 are all rotatably mounted on the water collecting drum 1, the shielding block 30 is fixedly mounted on the rear side of the water collecting drum 1, the second gear 25, the compound gear 26, the double-layer gear 27 and the third gear 28 are arranged in the shielding block 30, the first rack 23 is in contact with the first gear 24 when the structure is used, so that the first gear 24 is driven to rotate through meshing, the first gear 24 can drive the second gear 25 to rotate, the compound gear 26, the double-layer gear 27 and the third gear 28 are driven to rotate through meshing of teeth when the second gear 25 rotates, and accordingly the shielding ring 3 is driven to ascend through meshing between the third gear 28 and the second rack 29, and automatic opening and closing of the shielding ring 3 are achieved.
Further, the spout 31 has been seted up to stopper 12 department, the spout 31 internalization is provided with slider 32, the ball 33 has been installed in the rotation on the slider 32, the size of ball 33 and the big or small looks adaptation of spout 31, the spacing groove 34 has been seted up to the spout 31 department, fixed mounting has fixture block 35 on the slider 32, fixture block 35 slidable mounting is at spacing groove 34, two sets of movable grooves 36 have been seted up in the slider 32, movable rod 37 has been inserted to the activity in the movable groove 36, spring 38 has been cup jointed on the movable rod 37, movable rod 37 fixed mounting is in shielding ring 3, this structure can move in the spout 31 when using, and movable rod 37 can stimulate shielding ring 3 and guarantee shielding ring 3 and collecting water drum 1 laminating, and ball 33 can reduce the resistance when sliding, stability when having increased equipment use and increase the laminating degree between shielding ring 3 and the intake groove 2.
Further, the lower end of the water collecting drum 1 is fixedly provided with a weighting disc 39, the array of the weighting disc 39 is provided with a flow hole 40, the left side and the right side of the weighting disc 39 are fixedly provided with rope hooks 41, the structure enables the center of the equipment to be concentrated at the lower side, so that the equipment can keep a vertical state after water enters, and the rope hooks 41 can be connected with a pull rope so that the equipment can be pulled out of the water.
Further, an annular groove 42 is formed in the front side of the weighting disc 39, a filter screen 43 is fixedly arranged at the lower end of the shielding ring 3, the size of the filter screen 43 is matched with that of the water inlet tank 2, and the structure enables the filter screen 43 to shield the water inlet tank 2 when the shielding ring 3 ascends so as to prevent stones and the like from being blocked in the water inlet tank 2.
Further, the weighting mechanism comprises a weighting disc 39, a fixing rod 44 is fixedly arranged at the center of the weighting disc 39, a conical block 45 is fixedly arranged at the lower side of the fixing rod 44, a limiting rod 46 is fixedly arranged on the conical block 45, a threaded rod 47 is fixedly arranged at the upper side of the limiting rod 46, the distance between the threaded rod 47 and the weighting disc 39 is matched with the width of the balancing weight 7, a threaded sleeve 48 is sleeved on the threaded rod 47, a jack 49 is formed in the balancing weight 7, a U-shaped groove 50 is formed in the balancing weight 7, the limiting rod 46 is inserted into the jack 49, the size of the U-shaped groove 50 is matched with the size of the fixing rod 44, and the balancing weight 7 can be conveniently loaded at the conical block 45 by the aid of the structure, so that the equipment can be weighted in suitability, and the suitability of the equipment in use is improved.
Further, fix the rope on rope hook 41, place collection water drum 1 in water, collection water drum 1 sinks this moment, can place balancing weight 7 in toper piece 45 department and aggravate collection water drum 1, then rotating electrical machines 10 start and make pressure dish 4 rise, the air in collection water drum 1 is discharged from air jet 19 this moment, air discharge drives carousel 18 and flabellum 6 rotation under the direction of air jet 19 and makes collection water drum 1 can quick subsidence, then pressure dish 4 continues to rise and makes shielding ring 3 drive and rise and make intake groove 2 open, begin to collect the water sample, then pressure dish 4 moves down and drives shielding ring 3 and remove and seal intake groove 2.
Working principle: when in use, the rope is mounted at the rope hook 41, then the water collecting barrel 1 is placed at a water area to be measured, at the moment, the rotating motor 10 is started to drive the screw 11 to rotate, the screw 11 drives the pressure disc 4 to ascend through the threaded action between the screw 11 and the threaded sleeve 13, at the moment, the sealing rubber ring 14 moves along the limiting block 12, at the moment, air in the water collecting barrel 1 is discharged upwards so as to form negative pressure at the lower side part of the water collecting barrel 1, and the air in the water collecting barrel 1 is discharged upwards and enters the rotating block 17 through the rotating block 17 and is discharged from the air spraying hole 19, in the process, the air flow is discharged from the air spraying hole 19 to drive the rotary disc 18 to rotate so as to drive the first fixed block 5 and the fan blade 6 to rotate, thereby assisting the water collecting barrel 1 to rapidly descend, at the moment, the rotating ring 21 rotates in the rotating groove 20, and the roller 22 rotates in the rotating groove 20, thereby reducing friction of the turntable 18 when rotating, enabling the first rack 23 to be in contact with the first gear 24 after the equipment reaches a designated position, driving the first gear 24 to rotate through engagement, driving the second gear 25 to rotate through rotation of the first gear 24, driving the compound gear 26, the double-layer gear 27 and the third gear 28 to rotate through engagement of teeth when the second gear 25 rotates, driving the shielding ring 3 to ascend through engagement between the third gear 28 and the second rack 29, at the moment, enabling the sliding block 32 to move in the sliding groove 31, enabling the movable rod 37 to pull the shielding ring 3 to ensure that the shielding ring 3 is attached to the collecting water drum 1, driving the filter screen 43 to ascend after the shielding ring 3 ascends to cover the water inlet 2, thereby reducing the situation that large stones and the like are blocked in the water inlet 2, enabling the water inlet 2 to be opened, after the water inlet tank 2 is opened, water flows into the water collecting drum 1, then the output shaft of the rotary motor 10 rotates reversely to drive the pressure disc 4 to descend, so that the second gear 25 rotates reversely, the shielding ring 3 descends to shield the water inlet tank 2 again to finish sealing, the balancing weights 7 can be inserted on the fixed rods 44 before the equipment is thrown into the water, the inserting holes 49 are placed on the conical blocks 45 after being inserted opposite to the limiting rods 46, after the proper number of balancing weights 7 are loaded, the rotary threaded sleeve 48 ascends through the threads between the rotary threaded sleeve 48 and the threaded rods 47, so that the threaded sleeve 48 abuts against the weighting disc 39 to finish sealing, the bottom of the equipment in the water faces downwards due to the heavier bottom of the equipment, and the conical blocks 45 penetrate the water to stabilize if the equipment contacts the water bottom, so that the whole working principle of the invention is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a hydraulic engineering is with detecting sampling device, includes collection water drum (1), intake groove (2), its characterized in that have been seted up to the front side of collection water drum (1):
the front side activity of intake groove (2) is provided with and shields ring (3), the activity of collection water drum (1) is provided with pressure disk (4), the upside activity of collection water drum (1) is provided with first fixed block (5), array is provided with flabellum (6) on first fixed block (5), the downside activity of collection water drum (1) is provided with balancing weight (7), be provided with exhaust mechanism in collection water drum (1), the upside of collection water drum (1) is provided with actuating mechanism, the rear side of collection water drum (1) is provided with drive mechanism, the downside of collection water drum (1) is provided with aggravates mechanism.
2. The hydraulic engineering detection sampling device according to claim 1, wherein: the exhaust mechanism comprises a second fixed block (8), a second fixed block (8) is fixedly arranged on the lower side of the water collecting cylinder (1), a mounting groove (9) is formed in the second fixed block (8), a rotating motor (10) is fixedly arranged in the mounting groove (9), a screw (11) is fixedly arranged on an output shaft of the rotating motor (10), the screw (11) is arranged at the central position of the water collecting cylinder (1), a screw sleeve (13) is fixedly arranged at the central position of the pressure disc (4), the screw sleeve (13) is sleeved on the screw (11) through threads, a limiting block (12) is fixedly arranged on the left side and the right side of the water collecting cylinder (1), a sealing rubber ring (14) is fixedly arranged on the outer side of the pressure disc (4), the left side and the right side of the sealing rubber ring (14) are matched with the shape of the limiting block (12), and the sealing rubber ring (14) is tightly attached to the limiting block (12).
3. The hydraulic engineering detection sampling device according to claim 1, wherein: the driving mechanism comprises a sealing cover (15), the upper side of the water collecting cylinder (1) is fixedly provided with the sealing cover (15), the center position of the sealing cover (15) is provided with a mounting ring (16), a rotating block (17) is rotatably arranged on the mounting ring (16), a rotating disc (18) is fixedly arranged on the outer side of the rotating block (17), air spraying holes (19) are formed in the rotating block (17) and the rotating disc (18) in an array mode, and a first fixing block (5) is fixedly arranged on the upper side of the rotating disc (18).
4. A hydraulic engineering inspection sampling device according to claim 3, wherein: the rotary groove (20) is formed in the sealing cover (15), the rotary ring (21) is fixedly arranged on the lower side of the rotary block (17), the rotary ring (21) is rotatably provided with the rollers (22) in an array mode, the upper side and the lower side of each roller (22) exceed the rotary ring (21), and the rollers (22) are attached to the rotary groove (20).
5. The hydraulic engineering detection sampling device according to claim 1, wherein: the utility model provides a water collecting device, including water drum (1), including water drum, drive mechanism includes first rack (23), first rack (23) fixed mounting is on pressure disk (4), first gear (24) are installed in the upside rotation of water drum (1), the position looks adaptation of first rack (23) and first gear (24), fixed mounting has second gear (25) on first gear (24), the downside meshing of second gear (25) has compound gear (26), the downside meshing of compound gear (26) has double-deck gear (27), the downside meshing of double-deck gear (27) has another group second gear (25), the downside meshing of second gear (25) has another group compound gear (26), the downside meshing of compound gear (26) has third gear (28), the left and right sides of third gear (28) all mesh five groups third gear (28), the left and right sides fixed mounting of shielding ring (3) has second rack (29), the downside meshing of second gear (27), the downside meshing of double-deck gear (27) has another group second gear (25), the downside meshing of second gear (25) has another group second gear (25), the downside meshing of compound gear (26) has water drum (30), water drum (1) is installed in the rotation after the double-deck (30) The compound gear (26), the double-layer gear (27) and the third gear (28) are arranged in the shielding block (30).
6. The hydraulic engineering detection sampling device according to claim 2, wherein: the utility model discloses a shielding ring, including stopper (12) department, spout (31) have been seted up, spout (31) internalization is provided with slider (32), rotate on slider (32) and install ball (33), the size of ball (33) and the size looks adaptation of spout (31), limit groove (34) have been seted up to spout (31) department, fixed mounting has fixture block (35) on slider (32), fixture block (35) slidable mounting is in limit groove (34), two sets of movable groove (36) have been seted up in slider (32), movable rod (37) have been inserted to movable groove (36) internalization, spring (38) have been cup jointed on movable rod (37), movable rod (37) fixed mounting is in shielding ring (3).
7. The hydraulic engineering detection sampling device according to claim 1, wherein: the lower extreme fixed mounting of collection water drum (1) has aggravate dish (39), aggravate the dish (39) array and seted up flow hole (40), aggravate the left and right sides fixed mounting of dish (39) and have rope hook (41).
8. The hydraulic engineering detection sampling device according to claim 7, wherein: an annular groove (42) is formed in the front side of the weighting disc (39), a filter screen (43) is arranged at the lower end of the shielding ring (3), and the size of the filter screen (43) is matched with that of the water inlet groove (2).
9. The hydraulic engineering detection sampling device according to claim 7, wherein: the weighting mechanism comprises a weighting disc (39), a fixing rod (44) is fixedly arranged at the central position of the weighting disc (39), a conical block (45) is fixedly arranged at the lower side of the fixing rod (44), a limiting rod (46) is fixedly arranged on the conical block (45), a threaded rod (47) is fixedly arranged at the upper side of the limiting rod (46), the distance between the threaded rod (47) and the weighting disc (39) is matched with the width of a balancing weight (7), a threaded sleeve (48) is sleeved on the threaded rod (47), a jack (49) is formed in the balancing weight (7), a U-shaped groove (50) is formed in the balancing weight (7), and the limiting rod (46) is inserted in the jack (49), and the size of the U-shaped groove (50) is matched with the size of the fixing rod (44).
10. The method for using a hydraulic engineering detection sampling device according to claims 1-9, wherein: the rope is fixed on the rope hook (41), the collecting water drum (1) is placed in water, at the moment, the collecting water drum (1) sinks, the balancing weight (7) can be placed at the conical block (45) to weigh the collecting water drum (1), then the rotating motor (10) is started to enable the pressure disc (4) to rise, at the moment, air in the collecting water drum (1) is discharged from the air spraying holes (19), the air discharge drives the rotary disc (18) and the fan blades (6) to rotate under the guidance of the air spraying holes (19) so that the collecting water drum (1) can sink rapidly, then the pressure disc (4) continuously rises so that the shielding ring (3) drives to rise to enable the water inlet groove (2) to open, water samples are collected, and then the pressure disc (4) moves downwards to drive the shielding ring (3) to move to seal the water inlet groove (2).
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