CN111964979A - A sampling device for hydrology information acquisition - Google Patents

A sampling device for hydrology information acquisition Download PDF

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Publication number
CN111964979A
CN111964979A CN202010875115.0A CN202010875115A CN111964979A CN 111964979 A CN111964979 A CN 111964979A CN 202010875115 A CN202010875115 A CN 202010875115A CN 111964979 A CN111964979 A CN 111964979A
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China
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sampling
base
water
sampling device
sliding
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CN202010875115.0A
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CN111964979B (en
Inventor
彭俊
戴仕宝
谷梓鹏
龚传康
俞珊妮
李俊杰
卜邦彦
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Chuzhou University
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Chuzhou University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/18Devices for withdrawing samples in the liquid or fluent state with provision for splitting samples into portions
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • G01N2001/205Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping using a valve
    • G01N2001/2057Sample chamber in a valve/piston

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a sampling device for acquiring hydrological information, and relates to the technical field of water sampling devices. According to the invention, the lead pendulum is arranged on the mounting frame, the sampling tank can be pulled to be in a vertical state under the action of the gravity of the lead pendulum, the actual sampling water layer is consistent with the water depth measured by the liquid level meter, and the purpose of accurate sampling is realized; the heat preservation box is arranged in the sampling assembly, so that a water sample cannot be assimilated by the external temperature of the device between different water layers, and the guarantee degree of the water sample is improved; through set up the runner assembly on the bed frame, realize the cover body and open in the automation of getting the material the time, operating personnel directly from the sampling subassembly of open mode take off the insulation can, the installation of device and dismantle efficiency all can promote fast.

Description

A sampling device for hydrology information acquisition
Technical Field
The invention relates to the technical field of water sample sampling devices, in particular to a sampling device for acquiring hydrological information.
Background
In order to monitor hydrological information in real time and master important information such as sediment content, oxygen content, microorganism types or distribution quantity and the like in a water area, a water sample needs to be collected for analysis, most of the existing sampling processes are that a winch is driven to move to the water area to be sampled, a cable traction sampling device sinks, the water depth is dynamically measured through a pressure sensor or a liquid level meter, and then a water layer to be measured in the depth is sampled.
However, the sampling device used in this procedure still has certain disadvantages: the winch inevitably swings on the water surface along with waves, meanwhile, external moment interference such as turbulence exists underwater, so that a cable or a sampling device is easy to deflect underwater, the collected water sample is not a vertical water area line sample which is expected to be measured, and meanwhile, due to the inclination of the device, the water depth measured by a liquid level detection instrument and the actual sampling depth also deviate, and the sampling accuracy has an error; secondly, the temperature of the water sample collected by the sampling device can be assimilated by the outside between water layers with different depths, the real temperature of hydrology of the sample layer cannot be measured, and the survival state of microorganisms sensitive to the temperature in the obtained water sample can cause certain influence; thirdly, the sampling tank needs to be manually twisted during installation and disassembly, and sealing liquid is filled in the sampling tank during disassembly, so that the internal air pressure of the device is lower than the external atmospheric pressure during sampling, and the sealing cover is difficult to open under the action of the atmospheric pressure, so that a certain influence is caused on the testing process; in the process of filling the water sample into the sampling tank, the buoyancy of the water sample tank is gradually reduced along with the discharge of the internal air, so that the sampling device in the water inevitably inclines.
Disclosure of Invention
The invention aims to provide a sampling device for acquiring hydrological information, so as to solve the defects caused in the prior art.
The utility model provides a sampling device for hydrology information acquisition, includes bed frame, mounting bracket, sampling tank and runner assembly, the frame passes through the steel cable and links to each other with the winch, on the mounting bracket was fixed in the side of bed frame, it is provided with plumbous pendulum to rotate on the mounting bracket, the runner assembly is installed on the bed frame to a speed is got with tearing open to the installation that is used for promoting sampling device, the sampling tank is installed on the runner assembly, and is used for the accurate sample of gathering of layering, and the level gauge is still installed to the upper end of sampling tank.
Preferably, the rotating assembly comprises a driving motor, a first shaft rod, a second shaft rod, a driving gear and a supporting frame, the driving motor is arranged in the base frame through the mounting plate, the first shaft lever is connected with the output end of the driving motor, the other end of the first shaft lever is rotatably connected to the inner bottom wall of the base frame, the driving gear is arranged on the first shaft lever, a plurality of first driving wheels which are uniformly distributed are arranged on the first shaft lever below the driving gear, two ends of the second shaft lever are respectively and rotatably connected to the inner wall of the base frame, a driven gear is arranged on the second shaft lever, the driven gear is meshed with the driving gear, a plurality of driving wheels II which are uniformly distributed are arranged on the shaft lever II below the driven gear, the supporting frames are provided with a plurality of supporting frames, one ends of the supporting frames are rotatably connected to the base frame, and the inner sides of the supporting frames are respectively meshed with the first driving wheel and the second driving wheel.
Preferably, the sampling tank is composed of a plurality of sampling assemblies, each sampling assembly comprises a base, a cover body, an insulation box and an electromagnetic valve, the side end of the base is fixedly connected to the support frame, an inclined limiting head is fixed at the side end port of the base, a limiting pin is inserted below the limiting head on the base through a supporting plate, a first spring is arranged between the limiting pin and the supporting plate, a sealing gasket is fixed on the inner side wall of the base, an accommodating groove is formed in the inner bottom wall of the base, the opening of the cover body faces downwards, one side of the port is attached to the sealing gasket, the other side of the port of the cover body is hinged to the inner side wall of the base, the limiting pin penetrates through the sealing gasket and abuts against the port of the cover body, the upper end of the cover body is connected with a water inlet pipe, the side end of the cover body adjacent to the water inlet, the upper end of inlet tube is fixed with the installation piece, the smooth chamber of inversion "umbrella face" form is seted up at the middle part of installation piece, it is equipped with the roll magnet to slide in the smooth chamber, and the guide way that extends to the inlet tube inner wall is seted up to the lower extreme of installation piece in the below of smooth chamber, it is equipped with the magnetism baffle to slide in the guide way, in the holding tank was arranged in to the lower extreme of insulation can, the upper end of insulation can articulated has the connecting rod, the other end of connecting rod is fixed with spherical cursory.
Preferably, the upper end face of the heat preservation box is provided with an oblique opening, the upper end of the oblique opening is hinged with a cover plate, the lower end of the cover plate is fixed with two first magnetic blocks which are symmetrically arranged, two sliding grooves which are symmetrically arranged are formed in the end face of the cover plate, sliding blocks are arranged in the sliding grooves in a sliding mode, connecting rods are hinged to the sliding blocks, the other ends of the connecting rods are hinged to the side ends of connecting rods, two second magnetic blocks which are symmetrically arranged are arranged at the lower end of the oblique opening of the heat preservation box, a strip-shaped opening is formed in the side end of the heat preservation box, a sliding cavity is formed in the side wall of the opening of the heat preservation box, sealing blocks.
Preferably, the sampling assemblies driven by the first driving wheels and the second driving wheels are not intersected in the horizontal direction.
Preferably, the water inlet pipe and the mounting block are made of non-metal materials.
Preferably, the lower top end of the sliding cavity is not communicated with the upper top end of the guide groove.
Preferably, the surface of the float is matched with the nozzle of the water inlet pipe.
The invention has the advantages that: (1) the lead pendulum is arranged on the mounting frame, when a steel cable is deflected when encountering turbulent flow in water, the lead pendulum can pull the sampling tank to be in a vertical state under the action of the gravity of the lead pendulum, and sampling is carried out according to the dynamic water depth value measured by the liquid level meter after the steel cable is stabilized;
(2) the insulation box is arranged in the sampling assembly, a water sample floats to the uppermost end under the action of buoyancy in the filling process of the cover body, the connection rod can be driven to synchronously rotate in the process, the cover plate is driven to rotate through the connection rod and the sliding block until the first magnetic block and the second magnetic block on the insulation box are attracted, so that an insulation environment is created for the water sample in the insulation box, the liquid continuous sealing can be realized on the outer surface of the insulation box through the filling water between the base and the cover body, the water sample in the insulation box can be further ensured not to be assimilated by the external temperature of the device between different water layers, and the guarantee degree of the water sample is;
(3) the rotating assembly is arranged on the base frame, the output end of the driving motor drives the first driving wheels and the second driving wheels to synchronously and reversely rotate, the sampling assemblies which are close to each other in pairs reversely rotate, the adjusting action can balance the buoyancy reduced after water sample filling during underwater sampling, so that the device keeps balance in the underwater sampling process, when sampling is finished, a material taking gap is generated by the rotation so as to facilitate sampling from the inside of the device, only the limiting pin needs to be pulled out of the base, according to the principle of a communicating device, the air pressure inside the sampling assembly tends to be consistent with the atmospheric pressure, under the self-weight action of the mounting block and the associated parts and the lubrication of water flow, one end of the cover body rotates around a hinge point with the base until the side end of the cover body abuts against the upper surface of the limiting head, and an operator can directly take down the insulation can from the sampling assembly in an open state, the installation and the dismantlement efficiency of device all can be promoted fast.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged view of the point A of the present invention.
Fig. 3 is a schematic structural diagram of a sampling assembly according to the present invention.
FIG. 4 is a schematic view showing the structure of the incubator and the connecting members according to the present invention.
Fig. 5 is a sectional view of the inside of the incubator of the present invention.
Fig. 6 is a schematic view showing the structure of the inner part of the rotating unit according to the present invention.
Fig. 7 is a schematic view of the rotating assembly of the present invention in a sampling state.
Fig. 8 is a schematic view of the rotating assembly of the present invention in a discharging and sampling state.
FIG. 9 is a side view showing the state of the incubator of the present invention when it is attached and detached.
FIG. 10 is a schematic view of the present invention in a state of deflecting under water to aligning.
Wherein, 1-base frame, 2-mounting frame, 3-sampling tank, 4-rotating component, 5-steel cable, 6-lead pendulum, 7-level meter, 401-driving motor, 402-first shaft rod, 403-second shaft rod, 404-driving gear, 405-supporting frame, 406-mounting plate, 407-first driving wheel, 408-driven gear, 409-second driving wheel, 31-sampling component, 3101-base, 3102-cover body, 3103-heat preservation box, 3104-electromagnetic valve, 3105-limiting head, 3130-resisting plate, 3106-limiting pin, 3107-first spring, 3108-sealing pad, 3109-holding groove, 3110-water inlet pipe, 3111-air outlet, 3112-waterproof ventilated membrane, 3113-mounting block, 3114-sliding cavity, 3115-rolling magnet, 3116-guide groove, 3117-magnetic baffle, 3118-connecting rod, 3119-float, 3120-cover plate, 3121-magnet I, 3122-chute, 3123-slider, 3124-connecting rod, 3125-magnet II, 3126-opening, 3127-sliding cavity, 3128-sealing block, 3129-spring II.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 10, a sampling device for hydrologic information acquisition, including bed frame 1, mounting bracket 2, sampling tank 3 and runner assembly 4, the frame passes through steel cable 5 and links to each other with the winch, on mounting bracket 2 was fixed in the side of bed frame 1, it is provided with plumbous pendulum 6 to rotate on mounting bracket 2, runner assembly 4 is installed on bed frame 1 to be used for promoting sampling device's installation and tear open and get the speed, sampling tank 3 is installed on runner assembly 4 for the accurate sample of gathering in layering, and level gauge 7 is still installed to the upper end of sampling tank 3.
It should be noted that, because the position of the liquid level meter 7 in the device is relatively fixed, the sampling position of each layer of the sampling assembly 31 is also fixed when the device is in the righting state, that is, the actual sampling depth is the sum of the measurement depth of the liquid level meter 7 and the distance between the current sampling assembly 31 and the liquid level meter 7.
In this embodiment, the rotating assembly 4 includes a driving motor 401, a first shaft 402, a second shaft 403, a driving gear 404 and a support frame 405, the driving motor 401 is installed in the base frame 1 through an installation plate 406, the first shaft 402 is connected to an output end of the driving motor 401, the other end of the first shaft 402 is rotatably connected to an inner bottom wall of the base frame 1, the driving gear 404 is disposed on the first shaft 402, a plurality of uniformly distributed first transmission wheels 407 are further disposed on the first shaft 402 below the driving gear 404, two ends of the second shaft 403 are respectively rotatably connected to an inner wall of the base frame 1, a driven gear 408 is disposed on the second shaft 403, the driven gear 408 is engaged with the driving gear 404, a plurality of uniformly distributed second transmission wheels 409 are disposed on the second shaft 403 below the driven gear 408, a plurality of the support frames 405 are provided, one end of the plurality of support frames 405 is rotatably connected to the base frame 1, the inner sides of a plurality of the supporting frames 405 are respectively meshed with a first driving wheel 407 and a second driving wheel 409.
It should be noted that the driving motor 401 is a servo motor, and the output end of the servo motor can rotate in the opposite direction when driving the first driving wheel 407 and the second driving wheel 409 to rotate.
In this embodiment, the sampling tank 3 is composed of a plurality of sampling assemblies 31, each sampling assembly 31 includes a base 3101, a cover 3102, an incubator 3103 and an electromagnetic valve 3104, the side end of the base 3101 is fixedly connected to the support frame 405, a side end port of the base 3101 is fixedly provided with an inclined position limiting head 3105, a limiting pin 3106 is inserted below the limiting head 3105 on the base 3101 through a resisting plate 3130, a spring 3107 is arranged between the limiting pin 3106 and the resisting plate 3130, a sealing pad 3108 is fixed on the inner side wall of the base 3101, an inner bottom wall of the base 3101 is provided with an accommodating groove 3109, the opening of the cover 3102 faces downwards, one side of the port is attached to the sealing pad 3108, the other side of the cover 3102 port is hinged to the inner side wall of the base 3101, the limiting pin 3106 penetrates through the sealing pad 3108 and is attached to the port of the cover 3102, the upper end of the cover 3102 is connected to a cover 3110, the side end of the cover 3102, a plurality of waterproof breathable films 3112 arranged in the gas outlet 3111, a plurality of gas outlets 3111 are connected with the gas exhaust pipe 8, an installation block 3113 is fixed at the upper end of the water inlet pipe 3110, a sliding cavity 3114 with an inverted umbrella cover shape is arranged in the middle of the installation block 3113, a rolling magnet 3115 is arranged in the sliding cavity 3114 in a sliding mode, a guide groove 3116 extending to the inner wall of the water inlet pipe 3110 is arranged below the sliding cavity 3114 at the lower end of the installation block 3113, a magnetic baffle 3117 is arranged in the guide groove 3116 in a sliding mode, a holding groove 3109 is arranged at the lower end of the heat preservation box 3103, a connecting rod 3118 is hinged to the upper end of the heat preservation box 3103, and a spherical float 3119 is fixed at the other.
It should be noted that the float 3119 does not contact the inner side wall of the cover 3102 during the lifting process.
In this embodiment, the upper end surface of the insulation box 3103 is provided with an oblique opening, the upper end of the oblique opening is hinged with a cover plate 3120, two first magnetic blocks 3121 which are symmetrically arranged are fixed at the lower end of the cover plate 3120, two sliding grooves 3122 which are symmetrically arranged are formed at the end surface of the cover plate 3120, a sliding block 3123 is slidably arranged in the sliding groove 3122, a connecting rod 3124 is hinged on the sliding block 3123, the other end of the connecting rod 3124 is hinged on the side end of the connecting rod 3118, two second magnetic blocks 3125 which are symmetrically arranged are arranged at the lower end of the oblique opening of the insulation box 3103, a strip-shaped opening 3126 is formed at the side end of the insulation box 3103, a sliding cavity 3127 is formed on the side wall of the opening 3126 of the insulation box 3103, a sealing block 3128 is slidably arranged in the sliding cavity 3127.
It should be noted that the sampling assemblies 31 driven by the first transmission wheels 407 and the second transmission wheels 409 do not intersect in the horizontal direction, so that no matter the incubator 3103 is mounted or dismounted, no influence is caused between the sampling assemblies 31 in each layer.
In this embodiment, the water inlet pipe 3110 and the mounting block 3113 are made of non-metal material, and the lower top end of the sliding cavity 3114 is not communicated with the upper top end of the guide groove 3116, so that the rolling magnet 3115 and the magnetic baffle 3117 are only under the action of magnetic force therebetween when approaching or separating, and the rolling magnet 3115 can freely roll in all directions in the sliding cavity 3114.
In this embodiment, the surface of the float 3119 is matched with the mouth of the water inlet pipe 3110, so that the float 3119 can completely block the water inlet pipe 3110 when floating to the topmost end, and the water flow is not conducted any more.
The working process and principle are as follows: in the using process of the invention, firstly, the device is put into a water area to be sampled through a steel cable 5, the sampling modes of different water layers are that the depth of the water layer where the current device is positioned is measured according to a liquid level meter 9, the actual depth value of the sampling component 31 for sampling each water layer can be obtained according to the depth value measured by the liquid level meter 9 because the height of each sampling component 31 is certain and the distance between each sampling component 31 and the liquid level meter 9 is also certain, after the steel cable 5 deflects in water due to turbulence, a lead pendulum 6 on an installation frame 2 is slightly influenced by the turbulence because of larger density and smaller diameter, the device is driven to move to a preset vertical state under the action of the gravity of the pendulum, when the device is in the deflection state, the water layer where the liquid level meter 9 is positioned is not a water sample to be sampled, and at the moment, a rolling magnet 3115 slides in the corresponding direction of the deflection in a sliding cavity 3114, so that the attraction force of the rolling magnet 3115 on the magnetic baffle 3117 is weakened, and under the action of the gravity of the magnetic baffle 3117, the magnetic baffle 3117 falls down along the guide groove 3116 and blocks the water inlet pipe 3110, at this time, the electromagnetic valve 3104 is in a closed state, and when the rolling magnet 3115 attracts the magnetic baffle 3117 to slide to the highest point, the electromagnetic valve 3104 is in an open state, so as to ensure that the collected water samples are all water samples of the water layer to be collected;
after the device is placed right and is positioned in a water layer to be sampled, a water sample flows between the base 3101 and the cover 3102, the float 3119 is driven to float upwards along with the continuous filling of the water sample, the cover plate 3120 is driven to rotate along with the connecting rod 3118 and the connecting rod 3124 until the cover plate 3121 is attracted with the two magnetic blocks 3125, the sealing block 3128 is clamped into the corresponding sliding cavity 3127 under the thrust action of the two springs 3129 in the process, finally, the insulation can 3103 is wholly sealed, in the process, the residual air waterproof breathable film 3112 in the sampling assembly 31 is discharged out of the device, the water sample fills the whole sampling assembly 31, the float 3119 is positioned at the highest point in the cover 3102 and seals the port of the water inlet pipe 3110, the electromagnetic valve 3104 is closed to finish the water sample collection of the water layer, in the process, the buoyancy of the air in the device is reduced, and the next sampling work is carried out in order to ensure that the device continues to be balanced, the driving motor 401 needs to be started, the output end of the driving motor 401 drives the shaft rod I402 to rotate, the adjacent sampling assemblies 31 are driven to rotate in opposite directions through the driving gear 404, the driven gear 408, the driving wheel I407 and the driving wheel II 409, and further through the supporting frame 405, the inner sides of the supporting frames are respectively meshed with the driving wheel I407 and the driving wheel II 409, the balance of the device is maintained through the rotation degree of the sampling assemblies 31 and the self weight of the lead pendulum 6 according to the lever principle, and the sampling work of all the other water layers to be detected is completed according to the mode;
when the device is used for discharging, the limiting pin 3106 is pulled out of the base, the cover body 3102 can be automatically opened according to the principle of the communicating vessel, and an operator can directly take out the insulation can 3103 in the corresponding sampling assembly 31.
Based on the above, according to the invention, the lead pendulum 6 is arranged on the mounting rack 2, when the steel cable 5 is deflected in water due to turbulent flow, the sampling tank 3 can be pulled to be in a vertical state under the action of the gravity of the lead pendulum 6, and sampling is performed according to the dynamic water depth value measured by the liquid level meter 9 after the steel cable 5 is stabilized, and once the sampling assembly 31 in the sampling tank 3 is deflected in the process, the rolling magnet 3115 in the mounting block 3113 slides in the sliding cavity 3114 in the corresponding direction, and the 3117 separated from the magnetic attraction slides downwards along the guide groove 3116 under the gravity of the steel cable, so that the water inlet pipe 3110 is blocked, only when the sampling assembly 31 is in the vertical state, the rolling magnet 3115 is attracted to the magnetic baffle 3117, so that the water inlet pipe 3110 is in an open state, and the actual sampling water layer is consistent with the water depth measured by the liquid level meter 9, so that the purpose of accurate sampling;
through arranging the insulation can 3103 in the sampling assembly 31, in the process of filling a water sample in the cover 3102, the floater 3119 floats to the uppermost end under the action of buoyancy, and simultaneously drives the connecting rod 3118 to synchronously rotate, the cover plate 3120 is driven to rotate by the connecting rod 3124 and the sliding block 3123 until the first magnetic block 3121 is attracted with the second magnetic block 3125 on the insulation can 3103, so that an insulation environment is created for the water sample in the insulation can 3103, the liquid continuous sealing is realized on the outer surface of the insulation can 3103 by the filling water between the base 3101 and the cover 3102, the water sample in the insulation can 3103 is further ensured not to be assimilated by the external temperature of the device between different water layers, and the water sample guarantee degree is improved;
through arranging the rotating assembly 4 on the base frame, the output end of the driving motor 401 drives the plurality of first driving wheels 407 and the second driving wheels 409 to synchronously and reversely rotate, the sampling assemblies 31 which are close to each other in pairs on the device reversely rotate, the adjusting action can balance the buoyancy reduced after water sample filling during underwater sampling, so that the device keeps balance in the underwater sampling process, when sampling is finished, a material taking gap is generated by the rotation so as to facilitate sampling from the inside of the device, only the limiting pin 3106 is pulled out from the base 3101, according to the principle of a communicating vessel, the air pressure inside the sampling assembly 31 tends to be consistent with the atmospheric pressure, under the self-weight action of the mounting block 3113 and the associated parts and the lubrication of water flow, one end of the cover 3012 rotates around a hinged point with the base 3101 until the side end of the cover 3102 abuts against the upper surface of the limiting head 3105, and an operator directly takes off the insulation can from the sampling assembly 31 in an open state, the installation and the dismantlement efficiency of device all can be promoted fast.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims (8)

1. The utility model provides a sampling device for hydrology information acquisition, a serial communication port, including bed frame (1), mounting bracket (2), sampling tank (3) and runner assembly (4), the frame passes through steel cable (5) and links to each other with the winch, on mounting bracket (2) were fixed in the side of bed frame (1), it is provided with plumbous pendulum (6) to rotate on mounting bracket (2), runner assembly (4) are installed on bed frame (1) to be used for promoting sampling device's installation and tear the speed of getting, sampling tank (3) are installed on runner assembly (4) for the accurate sample of gathering in layering, level gauge (7) are still installed to the upper end of sampling tank (3).
2. The sampling device for hydrologic information collection according to claim 1, wherein: the rotating assembly (4) comprises a driving motor (401), a first shaft rod (402), a second shaft rod (403), a driving gear (404) and a support frame (405), the driving motor (401) is installed in the base frame (1) through an installation plate (406), the first shaft rod (402) is connected with the output end of the driving motor (401), the other end of the first shaft rod (402) is rotatably connected to the inner bottom wall of the base frame (1), the driving gear (404) is arranged on the first shaft rod (402), a plurality of uniformly distributed first driving wheels (407) are further arranged on the first shaft rod (402) below the driving gear (404), two ends of the second shaft rod (403) are respectively rotatably connected to the inner wall of the base frame (1), a driven gear (408) is arranged on the second shaft rod (403), the driven gear (408) is meshed with the driving gear (404), a plurality of uniformly distributed second driving wheels (409) are arranged on the second shaft rod (403) below the driven gear (408), the number of the supporting frames (405) is multiple, one end of each supporting frame (405) is rotatably connected to the base frame (1), and the inner sides of the supporting frames (405) are respectively meshed with the first driving wheel (407) and the second driving wheel (409).
3. The sampling device for hydrologic information collection according to claim 1, wherein: the sampling tank (3) is composed of a plurality of sampling assemblies (31), each sampling assembly (31) comprises a base (3101), a cover body (3102), an insulation can (3103) and an electromagnetic valve (3104), the side end of the base (3101) is fixedly connected to a support frame (405), a side end port of the base (3101) is fixedly provided with a slanting limiting head (3105), the base (3101) is arranged below the limiting head (3105) through a resisting plate (3130) to insert a limiting pin (3106), a first spring (3107) is arranged between the limiting pin (3106) and the resisting plate (3130), the inner side wall of the base (3101) is fixedly provided with a sealing pad (3108), the inner bottom wall of the base (3101) is provided with a 3109), the cover body (3102) has an opening facing downwards, one side of the port is attached to the sealing pad (3108), and the other side of the cover body (3102) is hinged to the base (3101), the limiting pin (3106) penetrates through the sealing gasket (3108) and abuts against a port of the cover body (3102), the upper end of the cover body (3102) is connected with a water inlet pipe (3110), the side end of the cover body (3102) adjacent to the water inlet pipe (3110) is provided with a gas outlet (3111), the gas outlet (3111) is internally provided with a plurality of waterproof breathable films (3112) which are arranged in a multi-layer manner, the gas outlet (3111) is connected with the exhaust pipe (8), the upper end of the water inlet pipe (3110) is fixedly provided with a mounting block (3113), the middle part of the mounting block (3113) is provided with an inverted umbrella-surface-shaped sliding cavity (3114), the sliding cavity (3114) is internally provided with a rolling magnet (3115) in a sliding manner, the lower end of the mounting block (3113) is arranged below the sliding cavity (3114) and provided with a guide groove (3116) extending to the inner wall of the water inlet pipe (3110), the guide groove (3116) is internally provided, the upper end of the heat preservation box (3103) is hinged with a connecting rod (3118), and the other end of the connecting rod (3118) is fixed with a spherical float (3119).
4. A sampling device for hydrologic information collection according to claim 3, characterized in that: the upper end surface of the heat preservation box (3103) is obliquely opened, the upper end of the oblique opening is hinged with a cover plate (3120), two first magnetic blocks (3121) which are symmetrically arranged are fixed at the lower end of the cover plate (3120), the end surface of the cover plate (3120) is provided with two symmetrically arranged sliding grooves (3122), the sliding grooves (3122) are provided with sliding blocks (3123) in a sliding way, a connecting rod (3124) is hinged on the sliding block (3123), the other end of the connecting rod (3124) is hinged on the side end of the connecting rod (3118), two symmetrically arranged magnetic blocks II (3125) are arranged at the lower end of the oblique opening of the heat preservation box (3103), a strip-shaped opening (3126) is arranged on the side end of the heat preservation box (3103), a sliding cavity (3127) is arranged on the side wall of the opening (3126) on the heat preservation box (3103), a sealing block (3128) is arranged in the sliding cavity (3127) in a sliding mode, and a second spring (3129) is arranged between the inner side wall of the sliding cavity (3127) and the sealing block (3128).
5. A sampling device for hydrologic information collection according to claim 2, characterized in that: the sampling assemblies (31) driven by the transmission wheels I (407) and the transmission wheels II (409) are not intersected in the horizontal direction.
6. A sampling device for hydrologic information collection according to claim 3, characterized in that: the water inlet pipe (3110) and the mounting block (3113) are made of non-metal materials.
7. A sampling device for hydrologic information collection according to claim 3, characterized in that: the lower top end of the sliding cavity (3114) is not communicated with the upper top end of the guide groove (3116).
8. A sampling device for hydrologic information collection according to claim 3, characterized in that: the surface of the float (3119) is matched with the pipe orifice of the water inlet pipe (3110).
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