CN214749068U - Water sample collector - Google Patents

Abstract

The utility model discloses a water sample collector relates to environment water quality monitoring technical field, aims at solving the problem of extravagant energy, and its technical scheme main points are: the utility model provides a water sampler, includes the floating frame, gathers and irritates and connect the rope, it is only up end open structure to gather to irritate, and its upper end opening is provided with opens and close the structure, open and close the structure including being fixed in the lid of gathering irritate the open end, the lid has the opening, the lid articulates there is the gomphosis to seal open-ended flip, be provided with the haulage rope between flip's upper surface expansion end and the floating frame, the length of haulage rope is less than the length of emitting of connecting the rope. The utility model discloses a water sample collector has effectively reduced the consumption of the energy to eliminate the water sample and take place the hidden danger of mobile exchange with upper liquid.

Description

Water sample collector

Technical Field

The utility model relates to an environmental water quality monitoring technology field, more specifically says, it relates to a water sample collector.

Background

Water sample collection is an important step of water quality detection, and water samples of different depth levels may need to be collected when the water samples are collected.

Aiming at water sample collection of different depth levels, the river water sample collection device disclosed in the Chinese patent with the publication number of CN211122085U has the technical key points that: the water sample collecting trolley comprises a trolley body, wherein the top of the trolley body is connected with a winding assembly, one end, far away from the trolley body, of the winding assembly is connected with a water sample collecting part, and the bottom of the water sample collecting part is connected with a dredging part.

According to the technical scheme, the upper-layer water is drained by the dredging part, and when the water sample collecting part enters the corresponding water layer, the required water sample is pumped into the water sample collector by the dredging part, so that the water sample of the water layer with the specific depth is collected; however, the dredging part needs to be continuously opened in the whole water sample collecting process, so that the problem of energy waste exists; therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a water sample collector has effectively reduced the consumption of the energy to eliminate the water sample and take place the hidden danger of flow exchange with upper liquid.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a water sampler, includes the floating frame, gathers and irritates and connect the rope, it is only up end open structure to gather to irritate, and its upper end opening is provided with the lid, the lid has the opening, the lid articulates there is the flip that is used for the gomphosis to seal the open-ended, be provided with the haulage rope between flip's upper surface expansion end and the floating frame, the length of haulage rope is less than the length of emitting of connecting the rope.

By adopting the technical scheme, when water layer water sample collection at a specific depth needs to be carried out by using the system, the length of the traction rope is adjusted, the discharge amount of the connecting rope is set, the length of the traction rope is equal to the sampling depth, the length of the connecting rope is equal to the submergence depth of the collection tank, and the process is finished on the shore; after adjustment is completed, the water collecting and irrigating device is placed into water, the collecting and irrigating device is immersed by water, an opening of a cover body is sealed by a turnover cover under the state, so that liquid cannot enter the collecting and irrigating device, after the placing of the water collecting and irrigating device is completed, objects such as bamboo poles are utilized to push the water collecting and irrigating device to a preset position, a connecting rope is discharged to enable the collecting and irrigating device to submerge under the action of gravity, when the water collecting and irrigating device submerges to a sampling depth, a traction rope is in a tightening state, the traction rope gradually pulls the turnover cover to upwards turn along with the continuous submerging of the collecting and irrigating device, so that a liquid sample starts to enter the collecting and irrigating device under the action of water pressure, and when the connecting rope is discharged to a preset length, the turnover cover is in a limit turning state; after standing for a period of time to finish water sample collection, withdrawing the connecting rope at a constant speed to pull the collecting tank to move upwards, turning down the turning cover under the action of liquid thrust in the process, and enabling the traction rope to be in a completely loose state at the moment that the cover body is about to leave the water sample collection layer, so that the turning cover finishes covering again; when the connecting rope is completely withdrawn, the water sampling device is recovered, the collecting tank is detached, and the water sample in the collecting tank is poured into the water sample container; to sum up, this application utilizes haulage rope length and connects the difference that the rope emits the length to realize that flip's automation is opened, compares with the reference file, under the same prerequisite of solving the water sample collection to specific degree of depth water layer, has effectively reduced the consumption of the energy to utilize the thrust of water to realize flip's reclosing, effectively prevent to irritate the water sample that the in-process of returning was gathered and upper liquid emergence flow exchange's hidden danger in the collection.

The utility model discloses further set up to: the floating frame comprises a supporting frame and at least four floating balls arranged on the supporting frame at equal angles.

Through adopting above-mentioned technical scheme, the floating frame utilizes braced frame to realize filling with the collection being connected to utilize the floater to realize floating, simultaneously, injectd the quantity and the mounted position of floater, thereby ensured floating frame's stability.

The utility model discloses further set up to: the supporting frame is provided with a stand column, the stand column is connected with a rope reel in a rotating mode, the connecting rope reel is wound on the rope reel, the supporting frame is provided with a driving motor, the driving motor is connected with the rope reel in a gear transmission mode, the center of the supporting frame is connected with two I-shaped guide wheels in a rotating mode, and the two I-shaped guide wheels are symmetrically clamped and connected with the rope.

By adopting the technical scheme, when the connecting rope needs to be released to control the collection tank to submerge, the driving motor drives the rope disc to rotate clockwise, and the connecting rope is gradually released by the rope disc, so that the collection tank submerges under the action of gravity due to lack of pull-up force; when the connecting rope needs to be retracted to recover the collecting irrigation, the driving motor drives the rope disc to rotate anticlockwise, the connecting rope is pulled by the rope disc to be wound on the rope disc again, and therefore the collecting irrigation is pulled to ascend and reset; in conclusion, the submergence or the ascent of the collecting tank can be controlled only by controlling the driving motor to rotate in different directions; the two I-shaped guide wheels are used for clamping and guiding the connecting rope, so that the connecting rope is ensured to be separated from the center of the floating frame, and the potential inclination hazard is effectively reduced.

The utility model discloses further set up to: a rotating shaft of the I-shaped guide wheel is connected with an encoder, the encoder is in electric signal connection with a control box, the control box is in electric signal connection with a motor, and the motor drives a rope clamping device.

Through adopting above-mentioned technical scheme, utilize the encoder control worker shape guide pulley's the number of turns of rotation to acquire the length of emitting of connecting the rope, when the length of emitting of connecting the rope equals the dive depth value of settlement, press from both sides tight connection rope by control box control motor drive rope gripper, and control driving motor stops output torsion, and then realize the dive of automatic braking collection filling.

The utility model discloses further set up to: the rope clamping device comprises a fixing clamp fixed on the supporting frame, a movable clamp connected with the fixing clamp in a sliding mode, and a compression spring arranged between the fixing clamp and the movable clamp, wherein a cam is arranged on an output shaft of the motor, and the cam is in butt joint with the movable clamp.

By adopting the technical scheme, when the connection rope needs to be braked and is released, the braking motor drives the cam to rotate until the convex surface abuts against the back surface of the movable clamp, so that the movable clamp is pushed to slide towards the fixed clamp, and the clamping limitation on the connection rope is further realized; when the connecting rope needs to be normally released or retracted, the motor drives the cam to rotate until the convex surface is separated from the back surface of the movable clamp, so that the elastic potential energy is released by the compression spring, the movable clamp is pushed to slide away from the fixed clamp, and the clamping limit on the connecting rope is loosened; in conclusion, the clamping or loosening of the rope clamping device can be controlled only by controlling the angle of the motor to adjust the cam, and the technical effect of convenience in control is achieved.

The utility model discloses further set up to: the cover body is provided with a pull ring which is integrally in an inverted U shape, the bottom end of the connecting rope is fixed to the middle point of the horizontal section of the pull ring, and the pull ring is provided with a stabilizing groove for the traction rope to pass through.

Through adopting above-mentioned technical scheme, the lid is add the pull ring and is provided a hookup location for the bottom of connecting the rope, and the pull ring is add the stable trough and is restricted the haulage rope to reduce the haulage rope and entangle in the hidden danger of connecting the rope.

The utility model discloses further set up to: the lid downwardly extending has the extension board, the bottom of extension board is provided with the balancing weight.

Through adopting above-mentioned technical scheme, the balancing weight is add to the lid to ensure that the buoyancy of water can be overcome in order to ensure to dive smoothly to the gravity of irritating of gathering, and utilize the extension board to extend the balancing weight to the below of irritating of gathering, thereby the focus of irritating is gathered in the adjustment, in order to ensure that it is opening up state.

The utility model discloses further set up to: the collection tank is provided with an upper opening fixedly connected with the cover body through threads and a sealing ring.

Through adopting above-mentioned technical scheme, when pouring the water sample of collection in irritating as needs, only need to irritate the collection and directly unscrew on by the lid, can directly pour the collection water sample of irritating to for pouring the water sample facilitates, and add the sealing washer, effectively improve the collection irritate and the lid between the leakproofness.

The utility model discloses further set up to: the specific quantity of flip is two, and is the symmetry setting, flip's lower surface is provided with the rubber abaculus, the gomphosis of rubber abaculus and lid opening.

By adopting the technical scheme, the number of the turning covers is limited to two and the turning covers are symmetrically arranged, so that the stress uniformity of the collecting tank is ensured when the pulling rope pulls the turning covers to turn over, and the hidden danger that the collecting tank is inclined is reduced; the flip adds the opening gomphosis of rubber abaculus and lid to improve flip to the sealing performance of lid, thereby when avoiding gathering to irritate in less shallow water level, lead to flip to take place the problem of improper perk because water pressure is insufficient.

The utility model discloses further set up to: the support frame is provided with a rope length adjusting structure, the rope length adjusting structure comprises a fixed column for fixing the top end of the traction rope, a winding column connected to the support frame in a sliding mode, and a rope penetrating hole formed in the support frame and allowing the traction rope to penetrate through, and the rope penetrating hole, the fixed column and the winding column are sequentially arranged; the bypassing column is provided with a sliding block, the supporting frame is provided with a sliding groove for the sliding block to slide, the groove wall of the sliding groove is provided with a stroke groove, the sliding block is horizontally matched with a locking bolt in a threaded manner, and the threaded section of the locking bolt penetrates through the stroke groove.

By adopting the technical scheme, one end of the traction rope is fixed on the fixed column, and the other end of the traction rope passes by the winding column and then returns to pass through the rope threading hole to be fixed with the movable end of the flip cover, so that the length of the traction rope can be adjusted by adjusting the distance between the winding column and the fixed column only in a sliding winding column mode, and the convenience for adjusting the length of the traction rope is effectively improved; when the bypassing column needs to slide, the locking bolt is unscrewed, the bypassing column can be directly slid, and after the bypassing column is adjusted, the locking bolt is screwed down, so that the bypassing column can be limited by friction force, and the abnormal sliding of the bypassing column is prevented.

To sum up, the utility model discloses following beneficial effect has: the flip cover is automatically opened by utilizing the difference value of the length of the traction rope and the length discharged by the connecting rope, compared with a comparison file, on the premise of collecting a water sample of a water layer with a specific depth, the energy consumption is effectively reduced, the flip cover is closed again by utilizing the thrust of water, and the hidden trouble that the collected water sample and upper liquid generate flow exchange in the process of collecting, filling and returning is effectively prevented; the number and the installation position of the floating balls are limited, so that the stability of the floating frame is ensured; the submergence or the ascent of the collecting tank can be controlled only by controlling the driving motor to rotate in different directions; the control box controls the motor to drive the rope clamping device to clamp the connecting rope and controls the driving motor to stop outputting torque force, so that the automatic braking and the submergence of the collecting tank are realized; the clamping or loosening of the rope clamping device can be controlled only by controlling the motor to adjust the angle of the cam, and the technical effect of convenient control is achieved; the cover body is additionally provided with a pull ring to provide a connecting position for the bottom end of the connecting rope, and the pull ring is additionally provided with a stable groove to limit the traction rope so as to reduce the hidden danger that the traction rope is entangled on the connecting rope; the cover body is additionally provided with the balancing weight, so that the gravity of the collecting tank can overcome the buoyancy of water to ensure smooth submergence, and the balancing weight is extended to the lower part of the collecting tank by using the extension plate, so that the gravity center of the collecting tank is adjusted to ensure that the collecting tank is in an upward opening state; a sealing ring is additionally arranged, so that the sealing property between the collecting tank and the cover body is effectively improved; the number of the turning covers is limited to two and the turning covers are symmetrically arranged, so that the stress uniformity of the collecting tank is ensured when the pulling rope pulls the turning covers to turn over, and the hidden danger that the collecting tank is inclined is reduced; only need adjust the interval of walking post and fixed column with the mode of slip around the post, can adjust the length of haulage rope, effectively improve the convenience of adjustment haulage rope length.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic structural view of the present application after the collection tank is disassembled;

FIG. 3 is a schematic structural view of an I-shaped guide wheel and a rope clamp according to the present application;

FIG. 4 is a schematic view of the construction of the harvesting tank of the present application;

FIG. 5 is a partial cross-sectional view of the harvesting tank of the present application;

fig. 6 is an enlarged schematic view of a portion a of fig. 2, and mainly shows a structure of the bypass column.

Description of the drawings: 1. a floating frame; 2. collecting and irrigating; 3. connecting ropes; 4. a cover body; 5. an opening; 6. a cover is turned; 7. a hauling rope; 8. a support frame; 9. a floating ball; 10. a column; 11. a rope reel; 111. a drive motor; 12. an I-shaped guide wheel; 13. an encoder; 14. a control box; 15. a motor; 16. a rope clamp; 17. a fixing clip; 18. a movable clamp; 19. a compression spring; 20. a cam; 21. a pull ring; 22. a stabilizing slot; 23. an extension plate; 24. a balancing weight; 25. a seal ring; 26. a rubber insert; 27. fixing a column; 28. a winding column; 29. a stringing hole; 30. a sliding block; 31. a sliding groove; 32. a stroke slot; 33. and locking the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A water sampler, as shown in figure 1, comprises a floating frame 1, a collecting tank 2 and a connecting rope 3, wherein the collecting tank 2 is of an upper end face opening structure, a cover body 4 is arranged at the upper end opening of the collecting tank, the cover body 4 is provided with an opening 5, a flip cover 6 used for embedding the opening 5 is hinged to the cover body 4, a pulling rope 7 is arranged between the movable end of the upper surface of the flip cover 6 and the floating frame 1, and the length of the pulling rope 7 is smaller than the discharging length of the connecting rope 3.

When water layer water sample collection at a specific depth needs to be carried out by using the method, the length of the traction rope 7 is adjusted, the discharge amount of the connecting rope 3 is set, the length of the traction rope 7 is equal to the sampling depth, the length of the connecting rope 3 is equal to the submergence depth of the collecting tank 2, and the process is finished on the shore; after the adjustment is finished, the collection tank 2 is placed into water, the opening of the cover body 4 is sealed by the turnover cover 6 in the state, so that liquid cannot enter the collection tank 2, after the placement of the collection tank 2 is finished, the collection tank 2 is pushed to a preset position by using objects such as bamboo poles and the like, the connection rope 3 is discharged to enable the collection tank 2 to submerge under the action of gravity, when the collection tank 2 submerges to a sampling depth, the traction rope 7 is in a tightening state, along with the continuous submerging of the collection tank 2, the traction rope 7 gradually pulls the turnover cover 6 to upwards turn up, so that a liquid sample starts to enter the collection tank 2 under the action of water pressure, and when the connection rope 3 is discharged to a preset length, the turnover cover 6 is in a limit turning-up state; after standing for a period of time to finish water sample collection, withdrawing the connecting rope 3 at a constant speed to pull the collecting tank 2 to move upwards, turning down the turning cover 6 under the action of liquid thrust in the process, and keeping the traction rope 7 in a completely loose state at the moment that the cover body 4 is about to leave the water sample collection layer, so that the turning cover 6 finishes covering again; when the connecting rope 3 is completely withdrawn, the application is recovered, the collecting tank 2 is detached, and the water sample in the collecting tank is poured into the water sample container; to sum up, this application utilizes the difference that haulage rope 7 length and connection rope 3 emit length to realize that flip 6's automation is opened, compares with the reference file, under the same prerequisite of solving to the water sample of specific degree of depth water layer and gathering, has effectively reduced the consumption of the energy to utilize the thrust of water to realize flip 6's reclosing, effectively prevent to irritate 2 at the collection and go back at the in-process that rises, the water sample of gathering takes place to flow with upper liquid and exchanges.

The floating frame 1 has a specific structure as shown in fig. 2, and the floating frame 1 includes a support frame 8 and at least four floating balls 9 installed at the support frame 8 at equal angles, so that a stable assembly carrier is provided by the support frame 8, the floating balls 9 ensure the buoyancy of the floating frame 1, and the number and installation positions of the floating balls 9 are limited, thereby improving the floating stability of the floating frame 1.

The paying-off or withdrawing of the connecting rope 3 is controlled through the following mode, as shown in fig. 2, a supporting frame 8 is provided with an upright post 10, the upright post 10 is rotatably connected with a rope disc 11, the connecting rope 3 is wound on the rope disc 11, the supporting frame 8 is provided with a driving motor 111, and the driving motor 111 is in gear transmission connection with the rope disc 11; when the collecting tank 2 needs to be discharged to control the collecting tank 2 to submerge, the driving motor 111 drives the rope disc 11 to rotate clockwise, the connecting rope 3 is gradually discharged by the rope disc 11, and therefore the collecting tank 2 submerges under the action of gravity due to lack of upward tension; when the connecting rope 3 needs to be retracted to recover the collecting tank 2, the driving motor 111 drives the rope disc 11 to rotate anticlockwise, the rope disc 11 pulls the connecting rope 3 to be wound on the rope disc 11 again, and therefore the collecting tank 2 is pulled to ascend and reset; in summary, the driving motor 111 is only required to be controlled to rotate in different directions, so as to control the submergence or the ascent of the collecting tank 2.

For preventing floating frame 1 because of gathering dragging of irritating 2 and taking place the slope, as shown in fig. 2, fig. 3, braced frame 8's center is rotated and is connected with two worker shape guide pulleys 12, and two worker shape guide pulleys 12 are symmetrical centre gripping and connect rope 3 to the realization is to the restriction of pulling connection rope 3, ensures to connect the rope and breaks away from in floating frame 1 center, effectively reduces its slope hidden danger.

As shown in fig. 2 and 3, the rotating shaft of the i-shaped guide wheel 12 is connected with an encoder 13, the encoder 13 is electrically connected with a control box 14, the control box 14 is electrically connected with a motor 15, and the motor 15 drives a rope clamp 16; thereby utilize encoder 13 control worker shape guide wheel 12's rotation number of turns, acquire the length of emitting of connecting rope 3, when the length of emitting of connecting rope 3 equals the dive depth value of settlement, control box 14 control motor 15 drive rope clamp 16 presss from both sides tight connecting rope 3 to control driving motor 111 stops output torsion, and then realizes the dive of automatic braking collection tank 2.

The rope clamping device 16 has the following specific structure that the rope clamping device 16 comprises a fixed clamp 17 fixed on the supporting frame 8, a movable clamp 18 connected with the fixed clamp 17 in a relative sliding manner, and a compression spring 19 arranged between the fixed clamp 17 and the movable clamp 18, wherein the output shaft of the motor 15 is provided with a cam 20, and the cam 20 is in butt fit with the movable clamp 18; when the connection rope 3 needs to be braked to be released, the motor 15 drives the cam 20 to rotate until the convex surface abuts against the back surface of the movable clamp 18, so that the movable clamp 18 is pushed to slide towards the fixed clamp 17, and the clamping limitation on the connection rope 3 is further realized; when the connecting rope 3 needs to be normally released or the connecting rope 3 needs to be withdrawn, the motor 15 drives the cam 20 to rotate until the convex surface is separated from the back surface of the movable clamp 18, so that the elastic potential energy is released by the compression spring 19, the movable clamp 18 is pushed to slide away from the fixed clamp 17, and the clamping limit on the connecting rope 3 is released; in conclusion, the clamping or the loosening of the rope clamping device 16 can be controlled only by adjusting the angle of the cam 20 through the motor 15, and the technical effect of convenient control is achieved.

The more specific structure of the cover body 4 is as follows, as shown in fig. 4 and 5, the cover body 4 is provided with a pull ring 21 which is integrally in an inverted U shape, and the bottom end of the connecting rope 3 is fixed at the middle point of the horizontal section of the pull ring 21, so that the pull ring 21 provides a connecting position for the bottom end of the connecting rope 3; the pull ring 21 is provided with a stabilizing slot 22 for the pulling rope 7 to pass through, so that the pulling rope 7 is limited by the stabilizing slot 22, and the hidden trouble that the pulling rope 7 is entangled on the connecting rope 3 is reduced.

For guaranteeing to gather and to irritate 2 dive smoothly, need to guarantee to gather the buoyancy that the buoyancy of water can be overcome to 2 of irritating, simultaneously, the pull-up force of haulage rope 7 still needs to be overcome in this application, consequently, the application is higher to gathering 2's weight requirement, for this reason as shown in fig. 4, lid 4 downwardly extending has extension board 23, the bottom mounting of extension board 23 has balancing weight 24, thereby guarantee to gather the buoyancy that 2 of irritating can overcome water in order to guarantee dive smoothly, and utilize extension board 23 to extend balancing weight 24 to the collection and irritate 2's below, thereby adjust the focus of 2 of irritating of gathering, in order to ensure that it is opening up state.

In order to pour out the water sample in the collection tank 2, as shown in fig. 5, the upper opening of the collection tank 2 is fixedly connected with the cover body 4 through threads, and a sealing ring 25 is arranged between the upper opening and the cover body; when pouring the water sample of collection among 2 when needs, only need will gather and irritate 2 and directly twist off on by lid 4, can directly pour the water sample of collection in irritating 2 to for pouring the water sample facilitates, and add sealing washer 25, effectively improve the collection and irritate the leakproofness between 2 and the lid 4.

In practical application, it is found that the collection tank 2 may be inclined when the pulling rope 7 pulls the flip cover 6 to turn up, and for this reason, as shown in fig. 5, the number of the flip covers 6 is two, and the flip covers are symmetrically arranged, so that the stress uniformity of the collection tank 2 is ensured when the pulling rope 7 pulls the flip cover 6 to turn up, and the hidden danger that the collection tank 2 is inclined is reduced; for improving flip 6 to the leakproofness of lid 4, flip 6's lower surface joint is glued and is had rubber abaculus 26, rubber abaculus 26 and lid 4 opening gomphosis to improve flip 6 to the sealing performance of lid 4, when avoiding gathering and irritating 2 and being in less shallow water level, lead to flip 6 to take place the problem of improper perk because water pressure is not enough.

In order to conveniently adjust the length of the traction rope 7, as shown in fig. 2 and 6, the supporting frame 8 is provided with a rope length adjusting structure, the rope length adjusting structure comprises a fixed column 27 for fixing the top end of the traction rope 7, a winding column 28 connected to the supporting frame 8 in a sliding manner, and a rope threading hole 29 formed in the supporting frame 8 for the traction rope 7 to pass through, wherein the rope threading hole 29, the fixed column 27 and the winding column 28 are sequentially arranged; haulage rope 7 one end is fixed in fixed column 27, and after the other end was walked around post 28, the movable end that returns and pass rope passing hole 29 and flip 6 fixed again to only need adjust the interval of walking post 28 and fixed column 27 with the mode of slip around post 28, can adjust the length of haulage rope 7, effectively improve the convenience of adjustment haulage rope 7 length

The winding column 28 is slidably mounted on the support frame 8 in the following manner, as shown in fig. 2 and 6, the winding column 28 is provided with a sliding block 30, the support frame 8 is provided with a sliding groove 31 for the sliding block 30 to slide, the groove wall of the sliding groove 31 is provided with a stroke groove 32, the sliding block 30 is horizontally screwed with a locking bolt 33, and the thread section of the locking bolt 33 penetrates through the stroke groove 32; when the bypass column 28 needs to slide, the locking bolt 33 is loosened, the bypass column 28 can be directly slid, and after the bypass column 28 is adjusted, the locking bolt 33 is tightened, and the bypass column 28 can be limited by friction force, so that abnormal sliding is prevented.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a water sampler, includes and floats frame (1), gathers and irritates (2) and connect rope (3), its characterized in that: gather and irritate (2) and be only up end open structure, its upper end opening is provided with lid (4), lid (4) have opening (5), lid (4) articulate flip (6) that are used for the gomphosis to seal opening (5), be provided with haulage rope (7) between the upper surface expansion end of flip (6) and floating frame (1), the length of haulage rope (7) is less than the length of emitting of connecting rope (3).

2. A water sample collector as claimed in claim 1 wherein: the floating frame (1) comprises a supporting frame (8) and at least four floating balls (9) which are arranged on the supporting frame (8) at equal angles.

3. A water sampler according to claim 2 wherein: braced frame (8) are provided with stand (10), stand (10) rotate and are connected with rope reel (11), connect rope (3) and coil in rope reel (11), driving motor (111) is installed in braced frame (8), driving motor (111) are connected with rope reel (11) gear drive, the center of braced frame (8) is rotated and is connected with two worker shape guide pulleys (12), two worker shape guide pulley (12) are symmetry centre gripping and connect rope (3).

4. A water sample collector as claimed in claim 3 wherein: a rotating shaft of the H-shaped guide wheel (12) is connected with an encoder (13), the encoder (13) is connected with a control box (14) in an electric signal mode, the control box (14) is connected with a motor (15) in an electric signal mode, and the motor (15) drives a rope clamping device (16).

5. A water sample collector as claimed in claim 4, wherein: the rope clamping device (16) comprises a fixing clamp (17) fixed on the supporting frame (8), a movable clamp (18) connected with the fixing clamp (17) in a relative sliding mode, and a compression spring (19) arranged between the fixing clamp (17) and the movable clamp (18), wherein a cam (20) is arranged on an output shaft of the motor (15), and the cam (20) is in butt fit with the movable clamp (18).

6. A water sample collector as claimed in claim 1 wherein: the cover body (4) is provided with a pull ring (21) which is integrally in an inverted U shape, the bottom end of the connecting rope (3) is fixed to the middle point of the horizontal section of the pull ring (21), and the pull ring (21) is provided with a stabilizing groove (22) for the traction rope (7) to pass through.

7. A water sample collector as claimed in claim 1 wherein: the cover body (4) extends downwards to form an extension plate (23), and a balancing weight (24) is arranged at the bottom end of the extension plate (23).

8. A water sample collector as claimed in claim 1 wherein: the upper end opening of the collecting tank (2) is fixedly connected with the cover body (4) through threads, and a sealing ring (25) is arranged.

9. A water sample collector as claimed in claim 1 wherein: the concrete quantity of flip (6) is two, and is the symmetry setting, the lower surface of flip (6) is provided with rubber abaculus (26), rubber abaculus (26) and lid (4) opening gomphosis.

10. A water sampler according to claim 2 wherein: support frame (8) are provided with long adjustment structure of rope, long adjustment structure of rope is including supplying fixed column (27) that haulage rope (7) top is fixed, sliding connection in the round trip post (28) of support frame (8) to and set up in rope passing hole (29) that support frame (8) supplied haulage rope (7) to pass, rope passing hole (29), fixed column (27) and round trip post (28) three are and arrange the setting in proper order, round trip post (28) are provided with sliding block (30), support frame (8) are seted up and are supplied gliding sliding groove (31) of sliding block (30), the cell wall of sliding groove (31) is provided with stroke groove (32), sliding block (30) horizontal thread fit has locking bolt (33), the screw thread section of locking bolt (33) runs through stroke groove (32).

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