CN111337309A

CN111337309A - Water quality sampling device

Info

Publication number: CN111337309A
Application number: CN202010316316.7A
Authority: CN
Inventors: 刘华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-06-26

Abstract

The invention discloses a water quality sampling device, which comprises a box body with an opening at the upper end, a water pipe I and a water pipe II, wherein a plurality of collecting bottles are placed in the box body; the upper end of the marker post is provided with a distance measuring sensor which is used for measuring the distance from the upper end of the marker post to the horizontal plane; one end of the water pipe I is connected with the collecting bottle, and the other end of the water pipe I is connected with the end head; one end of the water pipe II is connected with the water pipe I through a rotary joint, the water pipe II in the end head is connected with a water suction pump and a drainage pump in parallel through a pipe, and a valve is arranged on the pipe. The invention has the characteristics of capability of sampling at different distances and different depths from the river bank, prevention of water flow impact, simple operation and convenient collection.

Description

Water quality sampling device

Technical Field

The invention relates to a water quality sampling device.

Background

Along with the development of economy, people regard the environment and constantly deepen of the theory of environmental protection, the research and the treatment of water resource become extremely important, in order to study the river in certain region, the quality of water parameter in lake, need carry out the quality of water sample, current sampling tool is the sampler of haulage rope and haulage rope end-to-end connection tubbiness, during the use, throw away the sampler in intaking, take out the sampler of flourishing water through the haulage rope afterwards, current quality of water sampling device exists following not enoughly when using: 1. the existing sampling device can not sample at a position far off the shore of a river or a lake and can not finish sampling at different depths. 2. When sampling, the sampler receives the impact of river, leads to sampling device to take place the slope easily, influences the judgement and the accuracy of sample depth. 3. A plurality of collecting bottles are needed during sampling, and confusion is easy to occur during use. 4. The operation is complicated, and the time and labor are wasted during collection, arrangement and movement. Therefore, a water quality sampling device which can sample at different distances and different depths from the river bank and is simple to operate and convenient to collect is designed, so that the water quality sampling device has wide market prospect.

Disclosure of Invention

The invention provides a water quality sampling device which can sample water at different distances and different depths from a river bank, prevents water flow impact, is simple to operate and convenient to collect and overcomes the defects that the existing sampler cannot sample at a position far away from the river bank in a river or lake, cannot accurately sample water at different depths under the impact of water flow, is complex to operate and easily generates confusion in the process of mutual conversion during sampling, wastes time and labor in collection, arrangement and movement of the whole sampler and the like.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a water quality sampling device comprises a box body with an opening at the upper end, a water pipe I and a water pipe II, wherein a plurality of collecting bottles are placed in the box body, the upper end of the box body is movably connected with an automatic telescopic rod used for guiding and winding the water pipe I, and the rear end of the automatic telescopic rod is provided with a limiting mechanism I used for limiting the automatic telescopic rod to swing; the front end of the automatic telescopic rod is rotatably connected with an end head along the axial direction, and a mark post for preventing water flow from impacting the water pipe II is movably connected below the end head; the end head is provided with a limiting mechanism II for limiting the swing of the marker post; the upper end of the marker post is provided with a distance measuring sensor, and the distance measuring sensor is used for measuring the distance from the upper end of the marker post to the horizontal plane; one end of the water pipe I is connected with the collecting bottle, and the other end of the water pipe I is connected with the end head; one end of the water pipe II is connected with the water pipe I through a rotary joint, and the other end of the water pipe II penetrates through the marker post and is connected with a sampling head arranged at the bottom of the marker post; the water pipe II in the end head is connected with a water suction pump and a water discharge pump in parallel through a pipe, and the pipe is provided with a valve; and a wireless module and a control module are arranged in the end head and used for controlling the water suction pump, the drainage pump and data transmission.

Furthermore, the automatic telescopic rod and the marker post respectively comprise a rotating shaft, a plurality of sections of mutually sleeved circular sleeves and a plurality of sections of mutually sleeved square sleeves arranged in the circular sleeves, two adjacent sections of circular sleeves are in threaded connection, and two adjacent sections of square sleeves are in sliding connection; the front end of the first section of square sleeve is fixedly connected with the front end of the first section of circular sleeve, the end of the last section of circular sleeve is connected with a driven bevel gear, a driving bevel gear meshed with the driven bevel gear is sleeved on the rotating shaft, and the driving bevel gear is connected with a driving motor; each rotating shaft is respectively wound with the water pipe I and the water pipe II; two fixing plates extend from the end part of each last section of circular sleeve; the rotating shaft is rotatably arranged on the two fixing plates.

Further, stop gear I includes but the spout that sets up on the inside wall before the box is in with vertical slip slider in the spout, set up spacing tooth's socket on the lateral wall of spout, one side of slider be provided with spacing tooth's socket meshed spacing tooth keeps away from one side of spacing tooth be provided with open slot I on the slider, slidable sets up a puller block I in the open slot I, be provided with compression spring I in the open slot I, the slider pass through the connecting rod with the slide bar hinged joint of the setting of fixed plate rear end.

Furthermore, stop gear II includes the fluted disc that sets up on the end, the inboard vertical slip of fixed plate on the sighting rod sets up a gag lever post, the top of gag lever post is the profile of tooth, a compression spring II is put to the cover on the gag lever post, a brake cable is connected to the bottom of gag lever post, the other end of brake cable passes end and automatic telescopic link rear end extend to on the lateral wall of box.

Furthermore, on two adjacent sections of the circular sleeve, an open slot II is formed in the outer surface of the end part of the circular sleeve on the inner side, a jacking block II is slidably arranged in the open slot II, a compression spring III is arranged in the open slot II, and the end part of the jacking block is positioned on the inner thread of the circular sleeve on the outer side; the end of the internal thread extends towards the axis.

Further, be provided with thread groove edulcoration mechanism on the sighting rod, thread groove edulcoration mechanism includes every arc of circular sleeve pipe bottom fixed connection, set up an open slot III in the arc, it sets up a tight piece III to slide in the open slot III, be provided with compression spring IV in the tight piece III in the top, the tip of tight piece III in the top is located built-in circular sheathed tube external screw thread inslot.

Furthermore, the front side of the box body is movably connected with two connecting rods, the bottom ends of the connecting rods are provided with idler wheels, and the bottom ends of the connecting rods are vertically and fixedly connected with a raised floor.

Furthermore, a tray is rotatably arranged on the inner bottom wall of the box body, a plurality of fixing cylinders used for placing the collecting bottles are arranged on the upper end edge of the tray at equal intervals, wave bead screws are arranged on the side wall of the box body, and arc-shaped grooves are correspondingly formed in the outer side wall of each fixing cylinder.

Furthermore, a labeling mechanism is arranged on the box body, and the label comprises sampling depth and time.

Furthermore, the front end of the end head is connected with a handle.

The invention has the beneficial effects that:

the water quality at different distances from the river bank can be sampled by the automatic telescopic rod with different telescopic lengths. The automatic telescopic rod can also realize the retraction and release work of the water pipe I while retracting, and is simple in operation and convenient to collect. Through setting up the sighting rod, can vertically take a sample, through range sensor, measure the sighting rod to the distance of horizontal plane, calculate the distance of II bottoms of outlet pipe and horizontal plane through the extension length of sighting rod. Through setting up suction pump and drain pump, can realize drawing water and drainage fast, save artifical manually operation. After the sampling of the current position is completed, the marker post is rotated to the upper part of the end, and the handle is pulled by hands to quickly move the box body.

Drawings

FIG. 1 is a schematic perspective view of the present invention during use;

FIG. 2 is a schematic diagram of a side view of the present invention after finishing;

FIG. 3 is a schematic sectional view of the automatic telescopic rod of the present invention;

FIG. 4 is a schematic view of a partial side view of a limiting mechanism II of the present invention;

FIG. 5 is a schematic view of a partial cross-sectional structure of a limiting mechanism I of the present invention;

FIG. 6 is a schematic cross-sectional view of the case and tray of the present invention;

in the figure, a box body 1, a connecting rod 11, a roller 111, a raised floor 112, a clamping groove 113, a controller 12, a display screen 121, a control button 122, a stepping opening 13, a vertical rod 14, a water pipe I2, a water pipe II 3, a rotary joint 31, a collecting bottle 4, a bottle body 41, a bottle cap 42, an automatic telescopic rod 5, a limiting mechanism I51, a sliding groove 511, a limiting tooth groove 511a, a sliding block 512, a limiting tooth 512a, an open groove I512 b, a jacking block I512 c, a compression spring I512 d, a connecting rod 513, a rotating shaft 52, a circular sleeve 53, an open groove II 531, a jacking block II 532, a compression spring III 533, a thread groove impurity removing mechanism 534, an arc-shaped plate 534a, an open groove III 534b, a jacking block 534c, a compression spring IV 534d, a square sleeve 54, a driven bevel gear 55, a driving bevel gear 56, a driving motor 561, a fixing plate 57, a sliding rod 571, a head 6, the gear disc 63, the handle 64, the marker post 7, the limiting mechanism II 71, the limiting rod 711, the compression spring II 712, the brake cable 713, the handheld end 713a, the sampling head 72, the water inlet 721 and the horizontal plane 8.

Detailed Description

For a better understanding of the present invention, embodiments thereof are explained in detail below with reference to the accompanying drawings.

The water quality sampling device shown in the attached figures 1 to 6 comprises a box body 1 with an opening at the upper end, a water pipe I2, a water pipe II 3, an automatic telescopic rod 5 and a marker post 7, wherein each of the automatic telescopic rod 5 and the marker post 7 comprises a rotating shaft 52, a plurality of sections of mutually sleeved round casing pipes 53 and a plurality of sections of mutually sleeved square casing pipes 54 arranged in the round casing pipes 53, the length of each section of the round casing pipe 53 is 1.5-2 meters, 3 sections are shown in the attached figures, and in practice, a plurality of sections can be arranged. Two adjacent sections of circular sleeves 53 are in threaded connection, and two adjacent sections of square sleeves 54 are in sliding connection; the front ends of the first section of square sleeve 54 and the first section of circular sleeve 53 are fixedly connected, the end of the last section of circular sleeve 53 is connected with a driven bevel gear 55, a driving bevel gear 56 meshed with the driven bevel gear 55 is sleeved on the rotating shaft 52, the driving bevel gear 56 is connected with a driving motor 561, and when the driving motor 561 is used, the power of the driving motor 561 is transmitted to the circular sleeve 53 through the driving bevel gear 56, the driven bevel gear 55 and the square sleeve 54. The circular sleeve 53 is extended while rotating, and the square sleeve 54 is slid and extended. And each rotating shaft 52 is respectively wound with a water pipe I2 and a water pipe II 3 in a winding mode, one end of each winding mode is wound, and the other end of each winding mode penetrates through an opening formed in the axis of the rotating shaft 52. Two fixing plates 57 extend from the end of each last section of circular sleeve 53; the rotating shaft 52 is rotatably disposed on two fixing plates 57.

As shown in fig. 1, for convenience of description, the extending direction of the automatic telescopic rod 5 is taken as the front. The rotating shaft of the automatic telescopic rod 5 is rotatably arranged at the upper end of the box body 1. When in use, the fixing plate 57 at the rear end of the automatic telescopic rod 5 is pressed to enable the automatic telescopic rod 5 to swing to a corresponding angle. In order to prevent the case body 1 from tilting forward, a stepping opening 13 is arranged at the rear side of the lower end of the case body 1, and when the case is used, a foot is extended to step on the case body 1. The front side of the box body 1 is movably connected with two connecting rods 11, the bottom ends of the connecting rods 11 are provided with rollers 111, and the bottom ends of the connecting rods 11 are vertically and fixedly connected with a raised floor 112. The front end of the end head 6 is connected with a handle 64, and when water quality is sampled, the connecting rod 11 is spread, so that the raised floor 112 is clamped on the ground, and the box body 1 is prevented from inclining and sliding. After the water quality sampling is finished, the connecting rod 11 is closed, two elastic clamping grooves 113 are specifically fixed on the front side wall of the box body 1, and the connecting rod 11 is extruded into the clamping grooves 113 during use.

As shown in fig. 3, in order to prevent the adjacent two circular sleeves 53 from being separated when being extended, the outer surface of the end part of the inner circular sleeve 53 of the adjacent two circular sleeves 53 is provided with an open groove ii 531, a tightening block ii 532 is slidably arranged in the open groove ii 531, a compression spring iii 533 is arranged in the open groove ii 531, the end part of the tightening block ii 532 is positioned on the inner thread of the outer circular sleeve 53, and the end part of the inner thread extends radially to the axial direction, so that when the adjacent two circular sleeves 53 are extended to the maximum extent, the tightening block ii 532 slides to the end part of the inner thread extending to the axial direction, at this time, the adjacent two circular sleeves 53 stop being extended, the thread pitch on each circular sleeve 53 is equal, and the extended length of the circular sleeve 53 can be determined according to the number of turns of the rotation of the driving motor 561.

A plurality of collecting bottles 4 are placed in the box body 1, and the specific implementation mode is as follows: the tray 12 is rotatably arranged on the inner bottom wall of the box body 1, a round rod is fixed at the bottom of the tray 12, the round rod is located in a vertical groove formed in the inner bottom wall of the box body 1, a plurality of fixing cylinders 121 used for placing the collecting bottles 4 are arranged on the upper end edge of the tray 12 at equal intervals, wave bead screws 122 are arranged on the side wall of the box body 1, and arc-shaped grooves 121a are correspondingly formed in the outer side wall of the fixing cylinders 121. Set up ripples pearl screw 122 and can be spacing temporarily to a fixed section of thick bamboo 121, be provided with labelling mechanism on the box 1, specifically can set up on the box 1 of ripples pearl screw 122 top, after a receiving flask 4 sample is accomplished, rotate tray 12 and take a sample to next receiving flask 4. The labelling mechanism is of conventional construction and may of course be filled in and applied to the collection bottle 4 manually. The label contains the sampling depth and time. The collecting bottle 4 comprises a bottle body 41 and a bottle cap 42, the bottom wall of the box body 1 is provided with a bottle cap placing frame surrounded by three vertical rods 14, all the bottle caps 42 are taken down and placed on the bottle cap placing frame before sampling, and after all sampling work is completed, the bottle caps 42 are sequentially covered on the bottle body 41.

The rear end of the automatic telescopic rod 5 is provided with a limiting mechanism I51 used for limiting the swing of the automatic telescopic rod 5, the limiting mechanism I51 comprises a sliding groove 511 and a sliding block 512, the sliding groove 511 is vertical, the sliding groove 512 is arranged in the sliding groove 511 in the front inner side wall of the box body 1 and is vertically slidable, the overlooking cross-sectional view of the box body 1 and the sliding block 512 shown in the attached drawing 5 is shown in the attached drawing, a limiting tooth socket 511a is arranged on the side wall of the sliding groove 511, a limiting tooth 512a meshed with the limiting tooth socket 511a is arranged on one side of the sliding block 512, an open groove I512 b is arranged on the sliding block 512 far away from one side of the limiting tooth 512a, a jacking block I512 c is slidably arranged in the open groove I512 b, a compression spring I512 d is arranged in the open groove I512 b, and two. The sliding block 512 is hinged with a sliding rod 571 arranged at the rear end of the fixing plate 57 through a connecting rod 513. In a natural state, the stopper tooth 512a on the right side of the slider 512 is located in the stopper tooth groove 511 a. When the angle of the automatic telescopic rod 5 is adjusted, the connecting rod 513 is slid leftwards while the fixing plate 57 is pressed, at this time, the limiting tooth 512a is separated from the limiting tooth groove 511a, the sliding block 512 also slides along with the swinging of the fixing plate 57, after the angle is adjusted, the connecting rod 513 is loosened, and the limiting tooth 512a is continuously clamped in the limiting tooth groove 511a under the action of the compression spring I512 d.

The front end of the automatic telescopic rod 5 is rotatably connected with an end head 6 along the axial direction, the end head 6 is a box body, a sleeve is fixed on the rear side of the end head, and the sleeve is inserted into the inner side of the front end of the first circular sleeve 53 during use. Preferably, a bearing is provided between the sleeve and the circular sleeve 53 so that the head 6 does not rotate with the rotation of the circular sleeve 53. To reduce friction, balls are provided at the end of the circular sleeve 53, which balls are in contact with the rear side wall of the head 6. A marker post 7 for preventing the water pipe II 3 from flowing is movably connected below the end head 6; river water flowing in the river has impact force, and only the water pipe II 3 is positioned in the river and is easy to deflect. Resulting in errors in the sampling depth. Under the natural state, the marker post 7 keeps the vertical state under the effect of self gravity, so that the marker post 7 at the moment is limited. The end 6 is provided with a limiting mechanism II 71 for limiting the swinging of the marker post 7, the limiting mechanism II 71 comprises a fluted disc 63 arranged on the end 6, a limiting rod 711 is vertically and slidably arranged on the inner side of a fixing plate 57 at the upper end of the marker post 7, the limiting rod 711 is a square rod, the limiting rod 711 can be slidably arranged on a square opening arranged on the side wall of the fixing plate 57, a baffle is arranged above the limiting rod 711, the top end of the limiting rod 711 is in a tooth shape, the limiting rod 711 is sleeved with a compression spring II 712, the fluted disc 63 is tightly pressed at the upper end of the limiting rod 711 under the action of the compression spring II 712 in a natural state, the limiting rod 711 is connected with a brake cable 713 at the bottom end of the limiting rod 711 of the compression spring II 712, the other end of the brake cable 713 penetrates through the automatic telescopic rod 5 and then is arranged on the side wall of the box body 1, and the tail. In use, pulling the handle end 713a by hand causes the top end of the stop rod 711 to disengage from the toothed plate 63.

When the marker post 7 contracts, sundries in a river are easily adhered to the thread groove of the circular sleeve 53, therefore, the marker post 7 is provided with a thread groove impurity removing mechanism 534, the thread groove impurity removing mechanism 534 comprises an arc plate 534a fixedly connected to the bottom end of each circular sleeve 53, and the outer surface of the arc plate 534a is attached to the outer surface of the circular sleeve 53. An opening groove III 534b is formed in the arc-shaped plate 534a, a jacking block III 534c is arranged in the opening groove in a sliding mode, a compression spring IV 534d is arranged in the jacking block, and the end portion of the jacking block III 534c is located in an external thread groove of the lower round sleeve 53 and is attached to the outer thread groove. Thus, when the round sleeve 53 rotates, the jacking block III 534c blocks foreign matters in the thread groove.

The upper end of the marker post 7 is provided with a distance measuring sensor 72 for measuring the distance to the horizontal surface 8, and the upper end of the marker post 7 may also be provided with an ultrasonic water level gauge for measuring the distance to the horizontal surface 8. One end and the receiving flask 4 of water pipe I2 are connected, and specific embodiment is: water pipe I2 twines on pivot 52 to the lower extreme of water pipe I2 wears the outside of box 1 along the axle center through-hole of pivot 52, later wears the inboard of box 1 from the lower extreme lateral wall of box 1, during sample quality of water, injects the lower extreme of water pipe I2 in the receiving flask 4. In order to prevent the water pipe I2 from being twisted into a twist, a rotary joint is arranged at the end part of the rotating shaft 5, the lower end of the water pipe I2 is divided into two sections and connected through the rotary joint. The rotary joint is of an existing structure and is not described in detail herein. The upper end and the end 6 of water pipe I2 are connected, and preferably, the top of water pipe II 3 is connected with water pipe I2 through rotary joint 31, and rotary joint 31 fixes in the inside of end 6. The other end of the water pipe II 3 is connected with a sampling head 72 arranged at the bottom end of the mark post 7. A water inlet 721 is provided on each of the four side walls of the sampling head 72. The water pipe II 3 in the end head 6 is connected with a water suction pump 61 and a water discharge pump 62 through pipes, and the pipes are provided with valves 611. When the measuring position is changed, the water in the water pipes I2 and II 3 needs to be drained, so that the water is drained through the drainage pump 62, and when bubbles emerge underwater, the water is drained completely.

A controller 12 is arranged on the side wall of the box body 1, and the bottom end of the controller 12 is connected with a telescopic rod which can vertically move and rotate along the telescopic rod. The controller 12 is provided with a display screen 121, the display screen 121 is used for displaying sampling depth, a plurality of control buttons 122 are arranged below the display screen 121, the control buttons 122 comprise forward rotation and reverse rotation control buttons of a driving motor 561 on the automatic telescopic rod 5, forward rotation and reverse rotation control buttons of a driving motor on the mark post 7, a starting and stopping button of the water suction pump 61, a starting and stopping button of the draining pump 62 and a starting and stopping button of the labeling mechanism. A lithium battery is arranged in the controller 12 for providing power for the water quality sampling device, and a lithium battery is also arranged in the same end head 6. The fall depth algorithm for sampling is: the extended length of the post 7 is subtracted by the measuring distance of the distance measuring sensor 72, and when the bottom end of the post 7 is located in water, the sampling depth can be input on the post 7 on the display screen 121, and the controller 12 controls the post 7 to be extended to the corresponding position. The number of turns of the drive motor is detected by the sensor and then transmitted to the controller 12 via the wireless module. The controller 12 is in control connection with the driving motor 561 and the labeling mechanism on the automatic telescopic rod 5 through a line. Set up wireless module and control module in the end 6, range sensor 72 passes through wireless module with signal transmission for controller 12, and controller 12 and then sends the control module that sets up in the end 6 with the signal through wireless module, and control module controls the driving motor action on water suction pump 61, drain pump 62 and the sighting rod 7.

The working process of the invention is as follows:

the first step is as follows: the connecting rod 11 is unfolded, the automatic telescopic rod 5 is rotated to a fixed angle, then the brake cable 713 is pulled, the mark post 7 is swung to the position below the end head 6, and the brake cable 713 is loosened after the mark post 7 is kept in a vertical state.

Secondly, a forward rotation button of a driving motor 561 on the automatic telescopic rod 5 is pressed, when the automatic telescopic rod 5 is extended to a certain length, a sampling depth is input on a display screen 121, or a forward rotation or reverse rotation control button of the driving motor on the mark post 7 is pressed, so that the sampling head 72 is vertically moved to a corresponding position, and then a start button of the water suction pump 61 is pressed, so as to start sampling.

The third step: after the sampling is finished, the label is labeled, then the start button of the drainage pump 62 is pressed, the water in the water pipes I2 and II 3 is drained, and then the tray 12 is rotated to switch the next collecting bottle 4 to resample the water quality in different depths.

The fourth step: after all sampling operations are completed, the controller 12 retracts the automatic telescopic rod 5 and the marker post 7, closes the connecting rod 11, and pulls the handle 64 to move to the next position.

It should be noted that although the present specification describes embodiments, not every embodiment includes only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A water quality sampling device is characterized in that: the automatic winding device comprises a box body with an opening at the upper end, a water pipe I and a water pipe II, wherein a plurality of collecting bottles are placed in the box body, the upper end of the box body is movably connected with an automatic telescopic rod used for guiding and winding the water pipe I, and the rear end of the automatic telescopic rod is provided with a limiting mechanism I used for limiting the automatic telescopic rod to swing; the front end of the automatic telescopic rod is rotatably connected with an end head along the axial direction, and a mark post for preventing water flow from impacting the water pipe II is movably connected below the end head; the end head is provided with a limiting mechanism II for limiting the swing of the marker post; the upper end of the marker post is provided with a distance measuring sensor, and the distance measuring sensor is used for measuring the distance from the upper end of the marker post to the horizontal plane; one end of the water pipe I is connected with the collecting bottle, and the other end of the water pipe I is connected with the end head; one end of the water pipe II is connected with the water pipe I through a rotary joint, and the other end of the water pipe II penetrates through the marker post and is connected with a sampling head arranged at the bottom of the marker post; the water pipe II in the end head is connected with a water suction pump and a water discharge pump in parallel through a pipe, and the pipe is provided with a valve; and a wireless module and a control module are arranged in the end head and used for controlling the water suction pump, the drainage pump and data transmission.

2. A water sampling device as defined in claim 1 wherein: the automatic telescopic rod and the marker post respectively comprise a rotating shaft, a plurality of sections of mutually sleeved round sleeves and a plurality of sections of mutually sleeved square sleeves arranged in the round sleeves, two adjacent sections of round sleeves are in threaded connection, and two adjacent sections of square sleeves are in sliding connection; the front end of the first section of square sleeve is fixedly connected with the front end of the first section of circular sleeve, the end of the last section of circular sleeve is connected with a driven bevel gear, a driving bevel gear meshed with the driven bevel gear is sleeved on the rotating shaft, and the driving bevel gear is connected with a driving motor; each rotating shaft is respectively wound with the water pipe I and the water pipe II; two fixing plates extend from the end part of each last section of circular sleeve; the rotating shaft is rotatably arranged on the two fixing plates.

3. A water sampling device as claimed in claim 1 or 2 wherein: stop gear I includes but the spout that sets up on the inside wall before the box is in with vertical slip slider in the spout, set up spacing tooth's socket on the lateral wall of spout, one side of slider be provided with spacing tooth's socket-engaging spacing tooth keeps away from one side of spacing tooth be provided with open slot I on the slider, slidable sets up a puller block I in the open slot I, be provided with compression spring I in the open slot I, the slider pass through the connecting rod with the slide bar hinged joint of the setting of fixed plate rear end.

4. A water sampling device as claimed in claim 1 or 2 wherein: stop gear II includes the fluted disc that sets up on the end, the inboard vertical slip of fixed plate on the sighting rod sets up a gag lever post, the top of gag lever post is the profile of tooth, a compression spring II is put to the cover on the gag lever post, a brake cable is connected to the bottom of gag lever post, the other end of brake cable passes end and automatic telescopic link rear end extend to on the lateral wall of box.

5. A water sampling device as claimed in claim 1 or 2 wherein: on two adjacent sections of circular sleeves, an open slot II is formed in the outer surface of the end part of the circular sleeve on the inner side, a jacking block II is slidably arranged in the open slot II, a compression spring III is arranged in the open slot II, and the end part of the jacking block is positioned on the inner thread of the circular sleeve on the outer side; the end of the internal thread extends towards the axis.

6. A water sampling device as claimed in claim 1 or 2 wherein: be provided with thread groove edulcoration mechanism on the sighting rod, thread groove edulcoration mechanism includes every arc of circular sleeve pipe bottom fixed connection, set up an open slot III in the arc, it sets up a tight piece III in top to slide in the open slot III, be provided with compression spring IV in the tight piece III in top, the tip of tight piece III in top is located built-in circular sheathed tube external screw thread inslot.

7. A water sampling device as defined in claim 1 wherein: the front side of the box body is movably connected with two connecting rods, the bottom ends of the connecting rods are provided with idler wheels, and the bottom ends of the connecting rods are vertically and fixedly connected with a raised floor.

8. A water sampling device as defined in claim 1 wherein: the collecting bottle box is characterized in that a tray is rotatably arranged on the inner bottom wall of the box body, a plurality of fixing cylinders used for placing collecting bottles are arranged on the upper end edge of the tray at equal intervals, wave bead screws are arranged on the side wall of the box body, and arc-shaped grooves are correspondingly formed in the outer side wall of each fixing cylinder.

9. A water sampling device as claimed in claim 1 or 8 wherein: be provided with labelling mechanism on the box, contain sampling depth and time on the label.

10. A water sampling device as defined in claim 1 wherein: the front end of the end head is connected with a handle.