CN216594287U - Sampling device for hydraulic engineering - Google Patents

Abstract

The application discloses sampling device for hydraulic engineering, including floating board, air cushion, drawing structure, elevation structure, the structure of fetching earth, rotating-structure, piston structure and pulling structure, float four dead levers of top lateral wall fixed connection of board, the top fixed connection fixed plate of dead lever, be provided with elevation structure on the dead lever, float the elevation structure's on board right side bottom fixed connection protective housing. This application rotates two rotations of motor and drives the drill bit and rotates, the drill bit bores downwards, make the whole silt of burying of soil sampling bottle in, silt falls into the soil sampling bottle, the sample of completion silt of being convenient for, two extensions of this application electric putter, release the intake pipe with soft stopper one, shorten electric putter two again, soft stopper two is intraductal with water sample suction intake, soft stopper one plugs up the lower extreme of intake pipe, in the sample of convenient and fast's completion water sample, the water sample that can avoid getting and the water sample of upper strata mix and lead to the sample impure.

Description

Sampling device for hydraulic engineering

Technical Field

The application relates to a sample field, especially a sampling device for hydraulic engineering.

Background

Hydraulic engineering is an engineering which is built for controlling and regulating surface water and underground water in the nature to achieve the purposes of removing harmful substances and benefiting benefits, and is also called water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. Hydraulic engineering needs to build different types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition tanks, rafts, fishways and the like to achieve the aims, and most of the hydraulic engineering needs to be sampled and investigated before the hydraulic engineering is built.

Traditional sampling device, inconvenient sample to submarine silt, in addition, when traditional sampling device carries out the sample of water sample, the water sample of the water sample easily upper strata of getting mixes and leads to the sample impure. Therefore, to above-mentioned problem provide a sampling device for hydraulic engineering.

Disclosure of Invention

The utility model provides a sampling device for hydraulic engineering is arranged in solving among the prior art that traditional sampling device is inconvenient to take a sample the submarine silt and the water sample of getting mixes with the water sample on upper strata easily and leads to the impure problem of sample.

According to an aspect of the application, a sampling device for hydraulic engineering is provided, including floating board, air cushion, drawing movable structure, elevation structure, borrowing structure, rotating-structure, piston structure and pulling structure, float four dead levers of top lateral wall fixed connection of board, the top fixed connection fixed plate of dead lever, be provided with elevation structure on the dead lever, float the elevation structure's on board right side bottom fixed connection protective housing, the inside of protective housing is provided with rotating-structure, rotating-structure's bottom is provided with the structure of borrowing, it is provided with the pulling structure to float the left elevation structure's of board bottom, the inside of pulling structure is provided with piston structure, float four support frames of fixed connection on the front of board and the lateral wall at the back, be provided with on the support frame and draw movable structure.

Further, the floating plate is made of plastic.

Further, the air cushion is made of rubber.

Further, it includes turning block, paddle, rotation motor one and dwang one to draw the structure, dwang one rotates to be connected on the lateral wall of support frame, a rotation motor fixed connection is on the lateral wall of support frame, the rotation end fixed connection dwang one that rotates motor one, the other end fixed connection turning block of dwang one, equidistant fixed connection a plurality of paddle on the lateral wall of turning block.

Furthermore, the lifting structure comprises a sliding rod, a sliding plate and a first electric push rod, the sliding plate is connected to the fixed rod in a sliding mode, the first electric push rod and the sliding rod are fixedly connected to the outer side wall of the bottom of the sliding plate, the sliding rod penetrates through the floating plate, and the bottom of the first electric push rod is fixedly connected to the outer side wall of the top of the floating plate.

Further, revolution mechanic is including rotating motor two, fixed block one and dwang two, rotate two fixed connection of motor on the top inside wall of protective housing, the rotation end fixed connection dwang two of rotating motor two, dwang two runs through the bottom lateral wall of protective housing, dwang two is gone up fixed connection fixed block one, fixed block one is taken on the bottom lateral wall of protective housing.

Further, the soil sampling structure comprises a first fixing frame, a soil sampling bottle and a drill bit, the first fixing frame is fixedly connected to the bottom of the second rotating rod, the drill bit is fixedly connected to the bottom of the first fixing frame, and the soil sampling bottle is fixedly connected to the outer side wall of the top of the drill bit.

Further, the pulling structure comprises a second fixing frame, a second electric push rod and a water taking pipe, the second fixing frame is fixedly connected to the bottom of the sliding rod, the bottom of the second electric push rod is fixedly connected to the inner side wall of the top of the second fixing frame, the water taking pipe is fixedly connected to the inner side wall of the first fixing frame, and the top of the second electric push rod extends into the water taking pipe.

Further, piston structure includes soft stopper one, connecting rod, fixed block two and soft stopper two, two sliding connection of fixed block are in the water intaking pipe, the bottom lateral wall fixed connection connecting rod and the soft stopper two of fixed block two, the size of soft stopper two and the thick inside of water intaking pipe are mutually supported, the bottom lateral wall fixed connection soft stopper one of connecting rod, soft stopper one and the thin inside of water intaking pipe are mutually supported.

Furthermore, the first soft plug and the second soft plug are both made of rubber.

Through the above-mentioned embodiment of this application, adopted structure, revolution mechanic, piston structure and pulling structure of fetching earth, solved traditional sampling device and inconvenient sample and the water sample of getting underwater silt and mixed the impure problem that leads to the sample with the water sample on upper strata, the sample of the completion silt of having gained the convenience and the effect of convenient and fast's the sample of completion water sample.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a schematic diagram of the overall side view internal structure of an embodiment of the present application;

fig. 4 is a schematic perspective view of a paddling structure according to an embodiment of the present application.

In the figure: 1. the water spraying device comprises a circular supporting plate, 2, a first rotating groove, 3, a fixing plate, 4, a fixing ring, 401, a second sliding groove, 5, a water tank, 6, a circular cover, 601, a water inlet pipe, 7, a water conveying pipe, 8, a water spraying mechanism, 801, a water spraying nozzle, 802, a water conveying box, 9, a telescopic rod, 10, a dust suction mechanism, 1001, a dust suction pipe, 1002, a dust collection shell, 1003, a blanking pipe, 1004, an exhaust fan, 11, a first supporting rod, 12, a sliding block, 13, a sliding rod, 14, a third rotating groove, 15, a rotating plate, 16, a second supporting rod, 17, a rotating motor, 18, a rotating rod, 19, a universal wheel, 20, a connecting rod, 21, a fourth rotating groove, 22, a rotating ring, 23 and a water suction pump.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The rowing structure in the sampling device in this embodiment is applicable to the movement of a water toy, for example, in this embodiment, there is provided an amphibious toy vehicle in which the rowing structure in the sampling device in this embodiment can be used to perform the movement of the amphibious toy vehicle on water.

An amphibious toy car comprises a ship body, wherein supports bent downwards are symmetrically arranged on two sides of the ship body respectively, a tubular rotating body with a closed inner cavity is movably arranged at the lower end of each support, a driving device capable of driving the tubular rotating body to rotate is arranged in the closed inner cavity, spiral convex strips are arranged on the outer surface of the tubular rotating body, a power supply and a control circuit board are arranged in the ship body, and the control circuit board is connected with the driving device and the power supply respectively. The tail top surface of the hull can be provided with a tail wing, so that the appearance is attractive, and the stability during driving can be improved.

The top of the ship body is provided with a power supply cavity with an upward opening, the power supply is arranged in the power supply cavity, and a cover body for sealing the opening of the power supply cavity is arranged.

Will control circuit board sets up in a sealed casing, and is sealed effectual, avoids intaking increase of service life. The seal housing is disposed at a head position within the hull. Preferably, the control circuit board is further provided with a light-emitting LED lamp, the sealed shell is provided with a transparent window corresponding to the light-emitting LED lamp, the ship body is provided with an opening aligned with the transparent window, and the opening is provided with a transparent or semitransparent cover for sealing the opening. When playing, the toy also has a luminous effect, thereby further improving the interest of the toy and having good entertainment.

And the two sides of the lower end of the bracket symmetrically extend downwards to form mounting parts for mounting the tubular rotator. In this embodiment, drive arrangement is including fixed casing, motor, gear train, initiative pivot and driven spindle, and fixed casing is fixed in the tubulose rotator, and the one end of driven spindle is fixed at a terminal surface of fixed casing, and the other end stretches out the tubulose rotator, and fixes on the installation department, the one end of initiative pivot stretches out the tubulose rotator, and fixes on another installation department, and the other end stretches into in the fixed casing and is equipped with the linkage gear, motor and gear train are fixed in fixed casing, and the input of gear train is connected with the drive shaft of this motor, be equipped with on the output with linkage gear engaged with drive gear. In other embodiments, the driving device may also be a motor, a housing of the motor is fixed in the tubular rotating body, and a driving shaft of the motor extends out of the tubular rotating body and is fixed on the mounting portion.

When the amphibious toy car is played on water, the amphibious toy car is horizontally placed on the water, buoyancy is generated through the ship body and the tubular rotators, the tubular rotators positioned on two sides of the ship body are driven to rotate through the driving device, and the purpose of driving is achieved through the spiral raised lines.

When the amphibious toy car is played on land, the tubular rotators are placed on the land to play a role in supporting the ship body, the tubular rotators positioned on two sides of the ship body are driven to rotate by the driving device, and the amphibious toy car plays a role in scratching the spiral raised lines and achieves the purpose of running. Can be suitable for running in water and various road conditions, has high entertainment and provides more fun for players.

Of course, the present embodiment can be used for moving water toys with other structures. Here, a detailed description is omitted, and the sampling device according to the embodiment of the present application is described below.

Referring to fig. 1-4, a sampling device for hydraulic engineering includes a floating plate 1, an air cushion 2, a paddling structure 12, a lifting structure 6, a soil sampling structure 8, a rotating structure 9, a piston structure 10 and a pulling structure 11, wherein the outer side wall of the top of the floating plate 1 is fixedly connected with four fixing rods 3, the top of each fixing rod 3 is fixedly connected with a fixing plate 4, the lifting structure 6 is arranged on each fixing rod 3, the bottom of the lifting structure 6 on the right side of the floating plate 1 is fixedly connected with a protective shell 7, the rotating structure 9 is arranged inside the protective shell 7, the soil sampling structure 8 is arranged at the bottom of the rotating structure 9, the pulling structure 11 is arranged at the bottom of the lifting structure 6 on the left side of the floating plate 1, the piston structure 10 is arranged inside the pulling structure 11, and four support frames 5 are fixedly connected to the side walls on the front and back of the floating plate 1, the support frame 5 is provided with a rowing structure 12.

Utilize structure 8 and the revolution mechanic 9 of fetching earth, convenient and fast's the sample of completion silt utilizes piston structure 10 and pulling structure 11 in convenient and fast's the sample of completion water sample, and the water sample that can avoid getting and the water sample of upper strata mix and lead to the sample impure.

The floating plate 1 is made of plastic, and the floating plate 1 provides supporting force for the whole sampling device to float on the water surface.

The air cushion 2 is made of rubber, and the air cushion 2 further provides supporting force for the whole sampling device to float on the water surface.

The rowing structure 12 comprises a rotating block 1201, paddles 1202, a rotating motor 1203 and a rotating rod 1204, the rotating rod 1204 is rotatably connected to the side wall of the support frame 5, the rotating motor 1203 is fixedly connected to the outer side wall of the support frame 5, the rotating end of the rotating motor 1203 is fixedly connected to the rotating rod 1204, the other end of the rotating rod 1204 is fixedly connected to the rotating block 1201, a plurality of paddles 1202 are equidistantly and fixedly connected to the outer side wall of the rotating block 1201, the rotating motor 1203 rotates to drive the rotating rod 1204 to rotate, the rotating rod 1204 drives the rotating block 1201 to rotate, the rotating block 1201 drives the paddles 1202 to rotate, and the paddles 1202 drive the whole sampling device to move forwards.

The lifting structure 6 comprises a sliding rod 601, a sliding plate 602 and a first electric push rod 603, the sliding plate 602 is slidably connected to the fixed rod 3, the outer side wall of the bottom of the sliding plate 602 is fixedly connected with the first electric push rod 603 and the sliding rod 601, the sliding rod 601 penetrates through the floating plate 1, the bottom of the first electric push rod 603 is fixedly connected to the outer side wall of the top of the floating plate 1, the first electric push rod 603 is shortened to drive the sliding plate 602 to slide downwards, and the sliding plate 602 drives the sliding rod 601 to slide downwards.

Rotating-structure 9 is including rotating motor one 901, fixed block one 902 and two dwang 903, rotate motor one 901 fixed connection on the top inside wall of protective housing 7, the rotation end fixed connection dwang two 903 of rotating motor one 901, two dwang 903 runs through the bottom lateral wall of protective housing 7, fixed connection fixed block one 902 on the dwang two 903, fixed block one 902 is taken on the bottom lateral wall of protective housing 7, rotates motor one 901 and rotates and drive two dwang 903 and rotate, and two dwang 903 drive first mount 801 rotates.

Borrow soil structure 8 and include a mount 801, borrow soil bottle 802 and drill bit 803, a mount 801 fixed connection is in the bottom of two 903 of dwang, the bottom fixed connection drill bit 803 of a mount 801, fixed connection borrow soil bottle 802 on the top lateral wall of drill bit 803, and a mount 801 drives drill bit 803 and rotates, and slide bar 601 promotes drill bit 803 and creeps into downwards, makes and borrow the whole silt that buries of soil bottle 802, and silt falls into in borrow soil bottle 802.

The pulling structure 11 comprises a second fixing frame 1101, a second electric push rod 1102 and a water taking pipe 1103, the second fixing frame 1101 is fixedly connected to the bottom of the sliding rod 601, the bottom of the second electric push rod 1102 is fixedly connected to the inner side wall of the top of the second fixing frame 1101, the water taking pipe 1103 is fixedly connected to the inner side wall of the first fixing frame 801, the top of the second electric push rod 1102 extends into the water taking pipe 1103, the second electric push rod 1102 is shortened, and the second electric push rod 1102 pulls the second fixing block 1003 to slide upwards.

The piston structure 10 comprises a first soft plug 1001, a connecting rod 1002, a second fixed block 1003 and a second soft plug 1004, the second fixed block 1003 is connected in the water taking pipe 1103 in a sliding mode, the outer side wall of the bottom of the second fixed block 1003 is fixedly connected with the connecting rod 1002 and the second soft plug 1004, the size of the second soft plug 1004 is matched with the thick inside of the water taking pipe 1103, the outer side wall of the bottom of the connecting rod 1002 is fixedly connected with the first soft plug 1001, the first soft plug 1001 is matched with the thin inside of the water taking pipe 1103 in a mutually, the second fixed block 1003 drives the second soft plug 1004 and the connecting rod 1002 to move upwards, the second soft plug 1004 pumps a water sample into the water taking pipe 1103, the connecting rod 1002 drives the first soft plug 1001 to ascend, the first soft plug 1001 is clamped into the water taking pipe 1103, and the lower end of the water taking pipe 1103 is blocked.

The first cork 1001 and the second cork 1004 are both made of rubber, and the rubber has a good sealing effect.

When the utility model is used, electrical components appearing in the application are externally connected with a power supply and a control switch when in use, when sampling is carried out, the whole sampling device is placed on the water surface, a rotating motor II 1203 is started, the rotating motor II 1203 rotates to drive a rotating rod I1204 to rotate, the rotating rod I1204 drives a rotating block 1201 to rotate, the rotating block 1201 drives a paddle plate 1202 to rotate, the paddle plate 1202 drives the whole sampling device to move forwards, the sampling device is moved to a position needing sampling, an electric push rod I603 is started, the electric push rod I603 shortens to drive a sliding plate 602 to slide downwards, the sliding plate 602 drives a sliding rod 601 to slide downwards, the sliding rod 601 drives a soil taking structure 8, a rotating structure 9, a piston structure 10 and a pulling structure 11 to move downwards, when silt sampling is carried out, the rotating motor I901 is started, the rotating motor I901 rotates to drive a rotating rod II 903 to rotate, the rotating rod II 903 drives a fixing frame I801 to rotate, the first fixing frame 801 drives the drill bit 803 to rotate, the sliding rod 601 pushes the drill bit 803 to drill downwards, so that the soil sampling bottle 802 is completely buried in silt, the silt falls into the soil sampling bottle 802, after waiting for a period of time, the first electric push rod 603 is extended to lift the soil sampling bottle 802, so that the sampling of the silt is conveniently completed, when a water sample is sampled, the sliding rod 601 pushes the water sampling pipe 1103 to the sampling depth, the second electric push rod 1102 is started, the second electric push rod 1102 is extended to push the second fixing block 1003 to slide downwards, the second fixing block 1003 drives the second soft plug 1004 and the connecting rod 1002 to move downwards, the connecting rod 1002 pushes the second soft plug 1004 to move downwards, the first soft plug 1001 is pushed out of the water sampling pipe 1103, the second electric push rod 1102 is shortened to pull the second fixing block 1003 to slide upwards, the second fixing block 1003 drives the second soft plug 1004 and the connecting rod 1002 to move upwards, the second soft plug 1004 pumps the water sample into the water sampling pipe 1103, the connecting rod 1002 drives the first soft plug 1001 to lift, soft stopper 1001 is in the joint advances intake pipe 1103 once more, plugs up the lower extreme of intake pipe 1103, and electric putter 603 extends again, mentions intake pipe 1103, in the sample of convenient and fast's completion water sample, the water sample that can avoid getting and the water sample of upper strata are mixed and are leaded to the sample impure.

The application has the advantages that:

1. this application is rational in infrastructure, rotates two rotations of motor and drives two rotations of dwang, and two drive mounts are rotated, and the mount drives the drill bit and rotates, and the slide bar promotes the drill bit and moves downwards, makes the bottle of fetching earth whole bury into silt, and silt falls into the bottle of fetching earth in, and after waiting for a period, extension electric putter one will fetch earth the bottle and mention the sample of the completion silt of being convenient for.

2. This application is rational in infrastructure, two extensions of electric putter, promote two lapse of fixed block, two drive soft stopper two and connecting rod downstream of fixed block, the connecting rod promotes two lapse of soft stopper, release the intake pipe with soft stopper one, shorten electric putter two again, two lapse of pulling fixed block, two drive soft stopper two and connecting rod upstream of fixed block, soft stopper two is intraductal with the water sample suction intake, the connecting rod drives soft stopper one and rises, soft stopper blocks in the intake pipe once more, plug up the lower extreme of intake pipe, extend electric putter one again, mention the intake pipe, in the sample of convenient and fast's completion water sample, the water sample that can avoid getting and the water sample mixture of upper strata lead to the sample impure.

The electric push rods 603 and 1102 are the electric push rods produced by the electronic force supplier and the related matched power supply and circuit.

The first rotating motor 901 and the second rotating motor 1203 are 70BL-A models produced by Nanjing Senyu electromechanical technology power plants and related matched power supplies and circuits thereof.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a sampling device for hydraulic engineering which characterized in that: comprises a floating plate (1), an air cushion (2), a rowing structure (12), a lifting structure (6), a soil taking structure (8), a rotating structure (9), a piston structure (10) and a pulling structure (11), wherein the outer side wall of the top of the floating plate (1) is fixedly connected with four fixed rods (3), the top of each fixed rod (3) is fixedly connected with a fixed plate (4), the lifting structure (6) is arranged on each fixed rod (3), the bottom of the lifting structure (6) on the right side of the floating plate (1) is fixedly connected with a protective shell (7), the rotating structure (9) is arranged inside the protective shell (7), the soil taking structure (8) is arranged at the bottom of the rotating structure (9), the pulling structure (11) is arranged at the bottom of the lifting structure (6) on the left side of the floating plate (1), and the piston structure (10) is arranged inside the pulling structure (11), four support frames (5) are fixedly connected to the side walls of the front face and the back face of the floating plate (1), and a rowing structure (12) is arranged on each support frame (5).

2. The sampling device for hydraulic engineering of claim 1, characterized in that: the floating plate (1) is made of plastic.

3. The sampling device for hydraulic engineering of claim 1, characterized in that: the air cushion (2) is made of rubber.

4. The sampling device for hydraulic engineering of claim 1, characterized in that: rowing structure (12) includes turning block (1201), paddle board (1202), rotates motor two (1203) and dwang one (1204), dwang one (1204) rotate to be connected on the lateral wall of support frame (5), rotate motor two (1203) fixed connection on the lateral wall of support frame (5), the rotation end fixed connection dwang one (1204) of rotating motor two (1203), other end fixed connection turning block (1201) of dwang one (1204), equidistant a plurality of fixed connection paddle board (1202) on the lateral wall of turning block (1201).

5. The sampling device for hydraulic engineering of claim 1, characterized in that: the lifting structure (6) comprises a sliding rod (601), a sliding plate (602) and a first electric push rod (603), the sliding plate (602) is connected to the fixing rod (3) in a sliding mode, the outer side wall of the bottom of the sliding plate (602) is fixedly connected with the first electric push rod (603) and the sliding rod (601), the sliding rod (601) penetrates through the floating plate (1), and the bottom of the first electric push rod (603) is fixedly connected to the outer side wall of the top of the floating plate (1).

6. The sampling device for hydraulic engineering of claim 1, characterized in that: rotating-structure (9) are including rotating motor (901), fixed block (902) and dwang two (903), rotate motor (901) fixed connection on the top inside wall of protective housing (7), rotate rotation end fixed connection dwang two (903) of motor (901), dwang two (903) run through the bottom lateral wall of protective housing (7), fixed connection fixed block (902) is gone up to dwang two (903), fixed block (902) is taken on the bottom lateral wall of protective housing (7).

7. The sampling device for hydraulic engineering of claim 1, characterized in that: get native structure (8) including mount (801), get native bottle (802) and drill bit (803), mount (801) fixed connection is in the bottom of dwang two (903), the bottom fixed connection drill bit (803) of mount (801), fixed connection gets native bottle (802) on the top lateral wall of drill bit (803).

8. The sampling device for hydraulic engineering of claim 1, characterized in that: the pulling structure (11) comprises a second fixing frame (1101), a second electric push rod (1102) and a water taking pipe (1103), the second fixing frame (1101) is fixedly connected to the bottom of the sliding rod (601), the bottom of the second electric push rod (1102) is fixedly connected to the inner side wall of the top of the second fixing frame (1101), the water taking pipe (1103) is fixedly connected to the inner side wall of the first fixing frame (801), and the top of the second electric push rod (1102) extends into the water taking pipe (1103).

9. The sampling device for hydraulic engineering of claim 1, characterized in that: the piston structure (10) comprises a first soft plug (1001), a connecting rod (1002), a second fixed block (1003) and a second soft plug (1004), wherein the second fixed block (1003) is connected in the water taking pipe (1103) in a sliding mode, the outer side wall of the bottom of the second fixed block (1003) is fixedly connected with the connecting rod (1002) and the second soft plug (1004), the size of the second soft plug (1004) is matched with the thick inside of the water taking pipe (1103), the outer side wall of the bottom of the connecting rod (1002) is fixedly connected with the first soft plug (1001), and the thin inside of the first soft plug (1001) and the thin inside of the water taking pipe (1103) are matched with each other.

10. The sampling device for the hydraulic engineering of claim 9, characterized in that: the first cork (1001) and the second cork (1004) are both made of rubber.

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