CN219798844U

CN219798844U - Underwater negative pressure water body sampler

Info

Publication number: CN219798844U
Application number: CN202320929453.7U
Authority: CN
Inventors: 张宇飞; 雷超雯; 王海峰; 张卫强; 孟稳定; 郝庆; 李洁; 谢静; 李景瑞; 席慧; 毛金发
Original assignee: China State Construction Xinjiang Construction Engineering Group Co ltd
Current assignee: China State Construction Xinjiang Construction Engineering Group Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-10-03
Anticipated expiration: 2033-04-21

Abstract

The utility model relates to the technical field of underwater sampling, in particular to an underwater negative pressure water body sampler which reduces the position change of a sampling tube in water due to buoyancy and disturbance of water flow, so that the sampling tube can be stably positioned at a certain depth in the water, the sampling of the water is convenient, and the practicability is high; comprises a hull; still include sampling tube, hose, connecting block, dead lever, balancing weight, collection device, negative pressure water intaking device and high adjusting device, be provided with the balancing weight on the sampling tube, balancing weight fixed mounting is in the sampling tube upper end, dead lever fixed mounting is in the balancing weight upper end, connecting block fixed mounting is in the dead lever upper end, the connecting block is installed on high adjusting device, high adjusting device installs on the hull, high adjusting device has height-adjusting's function, the input of sampling tube passes through the hose and is connected with negative pressure water intaking device, negative pressure water intaking device installs on the hull.

Description

Underwater negative pressure water body sampler

Technical Field

The utility model relates to the technical field of underwater sampling, in particular to an underwater negative pressure water body sampler.

Background

The water body sampler is a device for removing samples in a water body, and has wide application in the field of environmental protection. In order to facilitate the monitoring of the water environment in the lake, a certain amount of water needs to be taken out at different depths of the lake for detection.

In the prior art, a negative pressure sampling device for the water bottom is disclosed in the patent application number of 201721417969.4, a box body, a suction device, a gas pressure pump and a sampling bottle mounting device, wherein the suction device is connected with the box body through a suction pipe, and the suction pipe is mounted on a coiling wheel; when the sampling bottle is used, the suction pipe is stretched through the rotation of the winding wheel, the suction device is enabled to enter water under the action of gravity, and then the gas pressure pump is turned on, so that water in the water enters the sampling bottle through the suction device and the suction pipe. It discovers in the use, because the suction pipe is the hose, suction means only relies on self gravity action to go deep into in the aquatic, after suction means enters into in the aquatic, because buoyancy of water and the disturbance of rivers lead to suction means to change in the height of aquatic easily, suction means's degree of depth in the aquatic is difficult for controlling, inconvenient water sampling in the different degree of depth departments of water, leads to its inconvenient use, and the practicality is poor.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the underwater negative pressure water body sampler which reduces the position change of the sampling tube in water due to buoyancy and disturbance of water flow, ensures that the sampling tube can be stably positioned at a certain depth in the water, facilitates the sampling of the water and has high practicability.

The utility model relates to an underwater negative pressure water body sampler, which comprises a ship body; the device comprises a ship body, a negative pressure water taking device, a collecting device, a water collecting device and a water collecting device, wherein the water collecting device is connected with the water collecting device through a hose; when a water sample is collected in a lake, the ship body is positioned in the lake, the height of a connecting block is adjusted through a height adjusting device, a fixing rod pushes a balancing weight and a sampling tube to adjust the height through a fixing rod, after the sampling tube goes deep into the lake water to a proper depth, a negative pressure water taking device is opened, water in the water body sequentially enters the negative pressure water taking device through the sampling tube and a hose, and then the water in the negative pressure water taking device is transferred into a collecting device to be collected and stored; when the water is taken from a certain depth of the water body, the fixing effect of the fixing rod on the balancing weight and the sampling tube is achieved, the position change of the sampling tube due to the buoyancy of the water and the disturbance of the water flow is reduced, the sampling tube can be stably located at the certain depth of the water, the sampling of the water is facilitated, the use is convenient, and the practicability is high.

Preferably, the negative pressure water taking device comprises a bracket, a sampling box, a vacuum pump, a blower and a drain pipe, wherein the sampling box is fixedly arranged on a ship body through the bracket, a cavity is arranged in the sampling box, the output end of a hose is communicated with the upper part of the cavity of the sampling box, the drain pipe is arranged at the lower part of the sampling box, a valve is arranged on the drain pipe, the vacuum pump and the blower are both arranged on the sampling box, the vacuum pump is used for reducing the pressure intensity in the cavity of the sampling box, the blower is used for blowing air into the cavity of the sampling box, and the valves are arranged on the blower and the vacuum pump; when the water body of the lake is sampled, the valve on the drain pipe and the air blower is closed, the valve on the vacuum pump is opened, the pressure in the cavity of the sampling box is reduced, water in the lake enters the cavity of the sampling box through the sampling pipe and the hose in sequence under the action of water pressure, when the height of the sampling pipe in the water body of the lake needs to be changed, the sampling pipe is required to be moved in the water body at different heights of the water body to take water, the height is adjusted, the vacuum pump is closed at the moment, the air blower is opened, the air blower blows air into the cavity of the sampling box, the air enters the sampling pipe through the hose in sequence, then the air is discharged at the output end of the sampling pipe, the water in the lake is prevented from entering the sampling pipe when the height of the sampling pipe is adjusted in the water body, the sampling of the sampling pipe at different depths of the water body is influenced, and the reliability is improved.

Preferably, the collecting device comprises an electric turntable, a supporting shaft, a disc and a plurality of groups of water collecting cylinders, wherein the electric turntable is fixedly arranged on the ship body, the lower end of the supporting shaft is arranged at the rotating end of the upper part of the electric turntable, the disc is fixedly arranged at the upper end of the supporting shaft, and the plurality of groups of water collecting cylinders are fixedly arranged at the upper end of the disc; when sampling water, when collecting the water sample of different degree of depth departments in the sampling box, can open electronic carousel, electronic carousel drives the back shaft rotation, and the back shaft drives the disc rotation, and the disc drives multiunit catchment section of thick bamboo rotatory to the drain pipe below, then opens the valve on the drain pipe, makes the water in the sampling box cavity collect in the catchment section of thick bamboo through the drain pipe discharge, when collecting the water sample of different degree of depth departments in the sampling box, can make the catchment section of thick bamboo that catchments of difference be located the drain pipe below collect, makes the water sample of different degree of depth departments store in different catchments section of thick bamboo, has made things convenient for the storage to the water sample.

Preferably, the height adjusting device comprises a supporting frame, two groups of sliding rails, a lifting plate, a winch, a rope and two groups of bolts, wherein the supporting frame is fixedly arranged on a ship body, the two groups of sliding rails are fixedly arranged on the supporting frame, the lifting plate is provided with two groups of sliding grooves, the lifting plate is slidably arranged on the two groups of sliding rails through the two groups of sliding grooves, the winch is fixedly arranged at the upper end of the supporting frame, the rope is arranged on the winch, the lower end of the rope is fixedly connected with the upper end of the lifting plate, the two groups of bolts are screwed with the lifting plate, one ends of the two groups of bolts are respectively propped against the two groups of sliding rails, and the connecting block is fixedly arranged on the lifting plate; when the height of the sampling tube in water is adjusted, the two groups of bolts are rotated firstly, so that the two groups of bolts are separated from contact with the two groups of sliding rails, then a winch is opened, the winch adjusts the height of a lifting plate through winding and unwinding of a rope, the lifting plate drives a balancing weight to drive the sampling tube to adjust the height through a connecting block and a fixing rod, after the sampling tube is adjusted to a proper height in water, the two groups of bolts are rotated, the two groups of bolts are respectively tightly propped against the two groups of sliding rails, the height of the lifting plate is fixed, and the lifting plate drives the balancing weight and the height of the sampling tube to be fixed through the fixing rod by the connecting block; the height of the sampling tube is conveniently adjusted, water can be taken from different depth positions of the lower water body, the use is convenient, and the practicability is high.

Preferably, the lifting plate also comprises two groups of pointers which are respectively and fixedly arranged at the front end and the rear end of the lifting plate, the front part and the rear part of the supporting frame are respectively provided with scale marks, and two groups of pointers respectively point to the two groups of scale marks; when the lifting plate is high, the lifting plate drives two groups of pointers to adjust the height, and staff can infer the descending height of the lifting plate by observing the numerical values of the scales of the two groups of scale marks pointed by the two groups of pointers, so that the depth of the sampling tube in the water body is inferred, the observation of the depth of the sampling tube in the water body is facilitated, and convenience is improved.

Preferably, the device further comprises a liquid level meter, and the liquid level meter is arranged on the sampling box; through the arrangement, the monitoring of the water level in the cavity of the sampling box is facilitated, and convenience is improved.

Preferably, the sampling tube is made of corrosion-resistant stainless steel; through the arrangement, the service life of the sampling tube is prolonged.

Compared with the prior art, the utility model has the beneficial effects that: the position change of the sampling tube in water due to buoyancy and disturbance of water flow is reduced, so that the sampling tube can be stably positioned at a certain depth in water, sampling of water is facilitated, and the practicability is high.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

fig. 2 is a schematic structural view of a hoist, rope, slide rail, etc.;

fig. 3 is a schematic view of the structure of the supporting frame, the lifting plate, the hoist, etc.;

fig. 4 is a schematic structural view of an electric turntable, a supporting shaft, a disk, etc.;

FIG. 5 is a schematic view of the structure of the sampling tank, vacuum pump, blower, etc.;

the reference numerals in the drawings: 1. a hull; 2. a sampling tube; 3. a hose; 4. a connecting block; 5. a fixed rod; 6. a bracket; 7. sampling box; 8. a vacuum pump; 9. a blower; 10. a drain pipe; 11. an electric turntable; 12. a support shaft; 13. a disc; 14. a water collecting cylinder; 15. a support frame; 16. a slide rail; 17. a lifting plate; 18. a hoist; 19. a rope; 20. a bolt; 21. a pointer; 22. scale marks; 23. and (5) balancing weights.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 to 5, the underwater negative pressure water body sampler of the utility model comprises a ship body 1, a sampling tube 2, a hose 3, a connecting block 4, a fixed rod 5, a balancing weight 23, an electric rotary table 11, a supporting shaft 12, a disc 13, a plurality of groups of water collecting cylinders 14, a negative pressure water taking device and a height adjusting device, wherein the balancing weight 23 is arranged on the sampling tube 2, the balancing weight 23 is fixedly arranged at the upper end of the sampling tube 2, the fixed rod 5 is fixedly arranged at the upper end of the balancing weight 23, the connecting block 4 is fixedly arranged at the upper end of the fixed rod 5, the connecting block 4 is arranged on the height adjusting device, the height adjusting device is arranged on the ship body 1, the height adjusting device has the function of adjusting the height, the input end of the sampling tube 2 is connected with the negative pressure water taking device through the hose 3, the negative pressure water taking device is arranged on the ship body 1, the negative pressure water taking device is used for pumping water, the electric rotary table 11 is fixedly arranged on the ship body 1, the lower end of the supporting shaft 12 is fixedly arranged at the rotating end of the upper end of the electric rotary table 11, the disc 13 is fixedly arranged at the upper end of the supporting shaft 12, the plurality of water collecting cylinders 14 are fixedly arranged at the upper end of the disc 13;

when a water sample is collected in a lake, firstly, a ship body 1 is positioned in the lake, then the height of a connecting block 4 is adjusted through a height adjusting device, a fixing rod 5 pushes a balancing weight 23 and a sampling tube 2 through the fixing rod 5 to adjust the height until the sampling tube 2 is deep into the lake water to a proper depth, then a negative pressure water taking device is opened, water in the water body sequentially enters the negative pressure water taking device through the sampling tube 2 and a hose 3, and then the water in the negative pressure water taking device is transferred into a water collecting cylinder 14 to be collected and stored; when the water is taken from a certain depth of the water body, the fixing effect of the fixing rod 5 on the balancing weight 23 and the sampling tube 2 is reduced, the position change of the sampling tube 2 due to the buoyancy of water and the disturbance of water flow is reduced, the sampling tube 2 can be stably positioned at the certain depth of the water, the sampling of the water is facilitated, the use is convenient, and the practicability is high.

As shown in fig. 2 and 3, the height adjusting device comprises a supporting frame 15, two sets of sliding rails 16, a lifting plate 17, a winch 18, a rope 19 and two sets of bolts 20, wherein the supporting frame 15 is fixedly installed on the ship body 1, the two sets of sliding rails 16 are fixedly installed on the supporting frame 15, the lifting plate 17 is provided with two sets of sliding grooves, the lifting plate 17 is slidably installed on the two sets of sliding rails 16 through the two sets of sliding grooves, the winch 18 is fixedly installed at the upper end of the supporting frame 15, the winch 18 is provided with the rope 19, the lower end of the rope 19 is fixedly connected with the upper end of the lifting plate 17, the two sets of bolts 20 are screwed with the lifting plate 17, one ends of the two sets of bolts 20 are respectively propped against the two sets of sliding rails 16, the connecting block 4 is fixedly installed on the lifting plate 17, the two sets of pointers 21 are respectively fixedly installed at the front end and the rear end of the lifting plate 17, the front end and the rear end of the supporting frame 15 are respectively provided with scale marks 22, and the two sets of pointers 21 respectively point to the two sets of scale marks 22;

when the height of the sampling tube 2 in water is adjusted, firstly, two groups of bolts 20 are rotated to enable the two groups of bolts 20 to be separated from contact with the two groups of sliding rails 16, then, a winch 18 is opened, the winch 18 is used for adjusting the height of a lifting plate 17 through winding and unwinding of a rope 19, the lifting plate 17 is used for enabling a balancing weight 23 to drive the sampling tube 2 to adjust the height through a connecting block 4 and a fixing rod 5, after the sampling tube 2 is adjusted to a proper height in water, then, the two groups of bolts 20 are rotated to enable the two groups of bolts 20 to be respectively propped against the two groups of sliding rails 16, the height of the lifting plate 17 is fixed, and the lifting plate 17 is used for enabling the fixing rod 5 to drive the balancing weight 23 and the height of the sampling tube 2 to be fixed through the connecting block 4; the height of the sampling tube 2 is conveniently adjusted, water can be taken from different depth positions of the lower water body, the use is convenient, and the practicability is high.

As shown in fig. 1 and 5, the negative pressure water taking device comprises a bracket 6, a sampling box 7, a vacuum pump 8, a blower 9 and a drain pipe 10, wherein the sampling box 7 is fixedly installed on a ship body 1 through the bracket 6, a cavity is arranged in the sampling box 7, the output end of a hose 3 is communicated with the upper part of the cavity of the sampling box 7, the drain pipe 10 is installed at the lower part of the sampling box 7, a valve is arranged on the drain pipe 10, the vacuum pump 8 and the blower 9 are both installed on the sampling box 7, the vacuum pump 8 is used for reducing the pressure in the cavity of the sampling box 7, the blower 9 is used for blowing air into the cavity of the sampling box 7, and the valves are arranged on the blower 9 and the vacuum pump 8; when the water body of the lake is sampled, the valves on the drain pipe 10 and the air blower 9 are closed, the valve on the vacuum pump 8 is opened, the pressure in the cavity of the sampling box 7 is reduced, water in the lake enters the cavity of the sampling box 7 through the sampling pipe 2 and the hose 3 in sequence under the action of water pressure, when the height of the sampling pipe 2 in the water body of the lake needs to be changed, the sampling pipe 2 firstly needs to be moved in the water body to take water at different heights of the water body, the height is adjusted, the vacuum pump 8 is closed at the moment, the air blower 9 is opened, the air blower 9 blows air into the cavity of the sampling box 7, the air enters the sampling pipe 2 through the hose 3 in sequence, then the air is discharged at the output end of the sampling pipe 2, the water in the lake is prevented from entering the sampling pipe 2 when the height of the sampling pipe 2 is adjusted in the water body, the sampling of the water body at different depths of the sampling pipe 2 is influenced, and the reliability is improved.

When sampling water, when collecting the water sample of different degree of depth departments in the sampling box 7, can open electronic carousel 11, electronic carousel 11 drives back shaft 12 rotation, back shaft 12 drives disc 13 rotation, disc 13 drives the rotation of many group's catchment section of thick bamboo 14, make different catchments section of thick bamboo 14 rotatory to drain pipe 10 below, then open the valve on the drain pipe 10, make the water in the sampling box 7 cavity drain to catchment section of thick bamboo 14 in through drain pipe 10 collect, when collecting the water sample of different degree of depth departments in the sampling box 7, can make different catchment section of thick bamboo 14 be located drain pipe 10 below and collect, make the water sample of different degree of depth departments store in different catchments section of thick bamboo 14, the storage to the water sample has been made things convenient for.

The sampling box 7 is provided with a liquid level meter, and the sampling tube 2 is made of corrosion-resistant stainless steel.

Example 2

On the basis of the embodiment 1, the height adjusting device adopts a lifting platform, and the connecting block 4 is fixedly arranged on the lifting platform; also has the function of adjusting the height of the connection block 4.

The hose 3, the vacuum pump 8, the blower 9, the electric turntable 11, the disc 13, the sliding rail 16, the winch 18, the rope 19 and the balancing weight 23 of the underwater negative pressure water body sampler are all purchased in the market, and the underwater negative pressure water body sampler can be installed and operated by a person skilled in the art according to the attached use instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. An underwater negative pressure water body sampler comprises a ship body (1); the device is characterized by further comprising a sampling tube (2), a hose (3), a connecting block (4), a fixing rod (5), a balancing weight (23), a collecting device, a negative pressure water taking device and a height adjusting device, wherein the balancing weight (23) is arranged on the sampling tube (2), the balancing weight (23) is fixedly arranged at the upper end of the sampling tube (2), the fixing rod (5) is fixedly arranged at the upper end of the balancing weight (23), the connecting block (4) is fixedly arranged at the upper end of the fixing rod (5), the connecting block (4) is arranged on the height adjusting device, the height adjusting device is arranged on the ship body (1), the height adjusting device has the function of adjusting the height, the input end of the sampling tube (2) is connected with the negative pressure water taking device through the hose (3), the negative pressure water taking device is arranged on the ship body (1), the collecting device is arranged on the ship body (1), and the negative pressure water taking device is used for pumping water and the collecting device is used for storing water.

2. An underwater negative pressure water body sampler as claimed in claim 1, wherein the negative pressure water taking device comprises a bracket (6), a sampling box (7), a vacuum pump (8), a blower (9) and a drain pipe (10), wherein the sampling box (7) is fixedly arranged on a ship body (1) through the bracket (6), a chamber is arranged in the sampling box (7), the output end of a hose (3) is communicated with the upper part of the chamber of the sampling box (7), the drain pipe (10) is arranged at the lower part of the sampling box (7), a valve is arranged on the drain pipe (10), the vacuum pump (8) and the blower (9) are both arranged on the sampling box (7), the vacuum pump (8) is used for reducing the pressure in the chamber of the sampling box (7), the blower (9) is used for blowing air into the chamber of the sampling box (7), and the blower (9) and the vacuum pump (8) are both provided with valves.

3. An underwater negative pressure water body sampler as claimed in claim 1 wherein the collecting device comprises an electric rotary disc (11), a supporting shaft (12), a disc (13) and a plurality of groups of water collecting cylinders (14), the electric rotary disc (11) is fixedly arranged on the ship body (1), the lower end of the supporting shaft (12) is arranged at the rotating end of the upper part of the electric rotary disc (11), the disc (13) is fixedly arranged at the upper end of the supporting shaft (12), and the plurality of groups of water collecting cylinders (14) are fixedly arranged at the upper end of the disc (13).

4. The underwater negative pressure water body sampler as claimed in claim 1, wherein the height adjusting device comprises a supporting frame (15), two groups of sliding rails (16), a lifting plate (17), a winch (18), ropes (19) and two groups of bolts (20), the supporting frame (15) is fixedly installed on a ship body (1), the two groups of sliding rails (16) are fixedly installed on the supporting frame (15), two groups of sliding grooves are arranged on the lifting plate (17), the lifting plate (17) is slidably installed on the two groups of sliding rails (16) through the two groups of sliding grooves, the winch (18) is fixedly installed at the upper end of the supporting frame (15), the ropes (19) are arranged on the winch (18), the lower ends of the ropes (19) are fixedly connected with the upper ends of the lifting plate (17), the two groups of bolts (20) are fixedly installed with the lifting plate (17) in a screwed mode, one ends of the two groups of bolts (20) are respectively propped against the two groups of sliding rails (16), and the connecting block (4) is fixedly installed on the lifting plate (17).

5. The underwater negative pressure water body sampler as claimed in claim 4, further comprising two groups of pointers (21), wherein the two groups of pointers (21) are respectively and fixedly arranged at the front end and the rear end of the lifting plate (17), scale marks (22) are respectively arranged at the front part and the rear part of the supporting frame (15), and the two groups of pointers (21) respectively point to the two groups of scale marks (22).

6. An underwater negative pressure water body sampler as claimed in claim 2, further comprising a level gauge, the sampling tank (7) being provided with a level gauge.

7. An underwater negative pressure water body sampler as claimed in claim 1, wherein the sampling tube (2) is made of corrosion-resistant stainless steel.