CN218381870U

CN218381870U - Sampling tool for environmental evaluation aquatic ecology investigation

Info

Publication number: CN218381870U
Application number: CN202222761520.7U
Authority: CN
Inventors: 郑星; 李旭; 谢芳; 赵龙
Original assignee: Hubei Xiaohuan Environmental Technology Co ltd
Current assignee: Hubei Xiaohuan Environmental Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-24
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a sampling tool for environmental evaluation aquatic ecology investigation, relating to the technical field of ecological investigation; comprises a cylinder and a piston assembly; a barrel cover is installed at one end of the barrel body, an installation groove is formed in the end, far away from the barrel cover, of the barrel body, and a driving assembly is installed in the installation groove; a piston assembly is arranged in the barrel and comprises a piston plate which is slidably arranged in the barrel, a screw rod is arranged at one end of the piston plate, which is far away from the barrel cover, and the screw rod penetrates through the mounting groove and is connected with a driving assembly; one end of the cylinder body close to the mounting groove is provided with water taking grooves distributed annularly. This device can be at the appointed degree of depth water intaking of aquatic to after taking out the water sample, carry out abundant clearance to the barrel inside, guaranteed the accuracy of follow-up sample, also avoided current sample because produce the attachment and cause the problem of error increase.

Description

Sampling tool for environmental evaluation aquatic ecology investigation

Technical Field

The utility model relates to an ecological investigation technical field specifically is a sampling tool for environmental assessment aquatic ecology investigation.

Background

Environmental impact evaluation may be defined as a process of predicting the environmental consequences of project development. Environmental impact assessment aiming at assessing and expressing the impact of any available method on the environment in the decision making process is an important method to ensure that personnel survive under environmental conditions. The method and system are used for analyzing, predicting and evaluating the environmental influence possibly caused after the planning and construction project is implemented, providing countermeasures and measures for preventing or reducing the adverse environmental influence and carrying out tracking monitoring. The environmental assessment includes the assessment of aquatic ecology, and the process of the aquatic ecology assessment needs to take water samples at multiple points in water and detect the water quality.

The existing water quality sampling equipment is generally of a cylindrical structure and is provided with a one-way adjusting valve, the existing water quality sampling equipment is put into water after a hauling rope is installed, the existing water quality sampling equipment can be automatically filled with water after the existing water quality sampling equipment is put into the water, and the existing water quality sampling equipment is closed when the existing water quality sampling equipment is pulled upwards, so that the water taken from the inside can be left in a barrel to be taken out. However, when water quality is turbid or water is taken from the water with algae, algae and silt can be remained on the inner wall after pouring, the remained silt is difficult to clean, the sampler can be polluted, the subsequent sampling result is influenced, and the accuracy of the water body sample of the current sampling is lost due to the fact that part of impurities in the water are remained in the sampler.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampling tool for circling at and appraising aquatic ecology investigation to solve the problem that proposes in the above-mentioned background art. The utility model provides a sampler convenient to clear up inside residue, can be abundant with the water and the impurity transfer of sample to save equipment in, keep the cleanness of sampler, avoid the data of acquireing to be disturbed.

In order to achieve the above object, the utility model provides a following technical scheme:

a sampling tool for environmental assessment aquatic ecology investigation comprises a cylinder and a piston assembly; a barrel cover is installed at one end of the barrel body, an installation groove is formed in the end, far away from the barrel cover, of the barrel body, and a driving assembly is installed in the installation groove; a piston assembly is arranged in the barrel and comprises a piston plate which is slidably arranged in the barrel, a screw rod is arranged at one end, far away from the barrel cover, of the piston plate, and the screw rod penetrates through the installation groove and is connected with a driving assembly; and one end of the cylinder body close to the mounting groove is provided with water taking grooves distributed annularly.

As a further aspect of the present invention: the piston plate is externally wrapped with a sealing sleeve made of flexible materials, a pressure relief flow passage penetrating through the piston plate and the sealing sleeve is formed in the piston plate, and a pressure relief valve located inside the piston plate is mounted in the middle of the pressure relief flow passage.

As a further aspect of the present invention: the pressure relief valve comprises a circulation groove and an inner groove which are located inside the piston plate, the circulation groove is communicated with the pressure relief flow passages, a valve plate is arranged in the circulation groove in a sliding mode, sealing pieces are arranged on the positions, corresponding to the pressure relief flow passages on the two sides, of the valve plate, a control rod inserted into the inner groove is arranged on the valve plate, and the control rod is connected with the inner wall of the inner groove through a spring.

As the utility model discloses further scheme again: the piston plate is fixedly provided with a slide rod parallel to the screw rod, the slide rod penetrates through a through hole in the barrel body to be provided with a connecting frame, and the connecting frame is connected with the screw rod.

As a further aspect of the present invention: the driving assembly comprises a threaded sleeve rotatably installed in an installation groove, the threaded sleeve is sleeved on the screw rod, a driving wheel is installed outside the threaded sleeve, a waterproof motor is installed in the installation groove, the waterproof motor is connected with a driving wheel, and the driving wheel is meshed with the driving wheel.

As a further aspect of the present invention: the driving assembly comprises a storage battery and a signal receiver which are installed in the installation groove.

As a further aspect of the present invention: the barrel is in threaded connection with the barrel cover, a sealing washer is installed at the joint of the interior of the barrel cover and the barrel, and a water outlet is installed at one end, close to the barrel cover, of the barrel.

As a further aspect of the present invention: the barrel outside is kept away from the one end both sides of cover and is installed the hangers, install the handle on the hangers.

Compared with the prior art, the beneficial effects of the utility model are that:

by adopting the sampling tool for environmental evaluation of aquatic ecology investigation, the device uses the barrel with the open end, the open end is sealed through the barrel cover, meanwhile, the piston assembly is arranged in the barrel, when the device is put into water, the piston plate is positioned between the water taking tank and the barrel cover, after the water enters the device to a specified depth, the piston is pulled to a position close to the mounting tank, the water taking tank is communicated with the whole barrel, external water is poured in, and after the water is poured in, the piston plate is pressed to a height of submerging the water taking tank again, so that the water in the barrel can be sealed, and the water taking work at the specified height is completed;

adopt above-mentioned sampling tool for environmental evaluation aquatic ecology investigation, this device is after the water intaking is accomplished, with the water exhaust in-process, can drive piston plate one way to the direction extrusion of play water, the inner wall of the scraping barrel at the outside seal cover of piston plate no dead angle, can fully clear up the residue of inner wall, can enough easily clean the barrel, avoid influencing subsequent result, also can directly send the attachment of clearing up into in the water sample of other preserves, the testing result of avoiding current water sample receives the influence.

Drawings

Fig. 1 is a schematic view showing the construction of a sampling tool for environmental assessment aquatic ecology investigation.

FIG. 2 is a schematic sectional view showing a sampling tool for environmental survey of aquatic ecology.

Fig. 3 is a schematic structural view of the interior of a sampling tool piston plate for environmental assessment aquatic ecology investigation.

In the figure: 1. a connecting frame; 2. a slide bar; 3. a screw; 4. a piston assembly; 5. a through hole; 6. a barrel; 7. hanging a lug; 8. taking a water tank; 9. a handle; 10. a threaded sleeve; 11. a waterproof motor; 12. a signal receiver; 13. a storage battery; 14. a driving wheel; 15. mounting grooves; 16. a driving wheel; 17. a drive assembly; 18. a piston plate; 19. sealing sleeves; 20. a pressure relief valve; 21. a water outlet; 22. a cylinder cover; 23. a sealing gasket; 24. an inner tank; 25. a control lever; 26. a spring; 27. a pressure relief flow passage; 28. sealing the sheet; 29. a valve plate; 30. and (4) a circulating groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, in embodiment 1 of the present invention, a sampling tool for environmental assessment aquatic ecology investigation includes a cylinder 6 and a piston assembly 4; a cylinder cover 22 is mounted at one end of the cylinder body 6, an installation groove 15 is formed in one end, far away from the cylinder cover 22, of the cylinder body 6, and a driving assembly 17 is mounted in the installation groove 15; a piston assembly 4 is arranged in the barrel 6, the piston assembly 4 comprises a piston plate 18 which is slidably arranged in the barrel, one end, far away from the barrel cover 22, of the piston plate 18 is provided with a screw rod 3, and the screw rod 3 penetrates through the installation groove 15 and is connected with a driving assembly 17; one end of the cylinder body 6 close to the mounting groove 15 is provided with a water taking groove 8 which is distributed annularly.

The device is provided with a cylinder cover 22 at one end of a cylinder body 6 for sealing, and a driving component 17 is arranged at one end far away from the cylinder cover 22 and used for driving the screw rod 3 to move, so that the piston plate 18 is controlled to move in the cylinder body 6. And the piston plate 18 arranged in the cylinder 6 is used for assisting in water quality sampling and cleaning the interior of the cylinder 6 after sampling.

Before the sample, control piston plate 18 is located the region between water intaking groove 8 and cover 22, drop into the aquatic with barrel 6, after the appointed degree of depth, remote control piston plate 18 removes, make piston plate 18 press close to mounting groove 15, water intaking groove 8 has been crossed, most space in water intaking groove 8 and the barrel 6 has formed the intercommunication, external water fills barrel 6 through water intaking groove 8, later the removal of control screw rod 3 once more, make piston plate 18 press to cover 22's direction, cross water intaking groove 8 once more after, piston plate 18, barrel 6 and cover 22 have formed a confined space that fills water, accomplish the sample this moment promptly.

After taking out barrel 6 from the aquatic, can transfer the inside water sample to and store in the instrument, 6 inner walls of barrel can remain attachments such as silt or algae this moment, continue control screw 3 extrusion piston plate 18, make piston plate 18 continuously move the position of cover 22, scrape the inside wholeness of barrel 6 once, fully clear up inside 6 barrel, be convenient for keep the cleanness in the barrel 6, improve the accuracy of follow-up sample, also can remove the attachment of scraping simultaneously to the storage instrument in, make all parts of taking out get back to the aquatic, keep the completeness of the water sample of current sample, reduce detection error.

Example 2

Referring to fig. 1 to fig. 3, the main difference between the embodiment 2 and the embodiment 1 is:

referring to fig. 1 and 2, in embodiment 2 of the present invention, a sealing sleeve 19 made of a flexible material is wrapped outside the piston plate 18, a pressure relief flow channel 27 penetrating through the piston plate 18 and the sealing sleeve 19 is formed on the piston plate 18, and a pressure relief valve 20 located inside the piston plate 18 is installed in the middle of the pressure relief flow channel 27. The sealing sleeve 19 is attached to the inner wall of the cylinder 6 to fully seal the cylinder 6 and reduce sliding wear. The pressure relief flow channel 27 is matched with the pressure relief valve 20, so that the piston plate 18 can form water or air circulation under strong pressure while forming sealing, when the cylinder body 6 is sealed with the cylinder cover 22, a sealed space can be formed by adding the piston plate 18, therefore, the piston plate 18 cannot move, the pressure relief flow channel 27 is arranged, the piston plate 18 can move after providing enough pulling force, and meanwhile, the pressure relief valve 20 can be in a fully closed state when being static to protect the current internal gas or liquid.

Referring to fig. 3, the pressure relief valve 20 includes a circulation groove 30 and an inner groove 24 located inside the piston plate 18, the circulation groove 30 communicates with the pressure relief flow passage 27, a valve plate 29 is slidably installed in the circulation groove 30, a sealing piece 28 is installed on the valve plate 29 at a position corresponding to the pressure relief flow passage 27 on both sides, a control rod 25 inserted into the inner groove 24 is installed on the valve plate 29, and the control rod 25 is connected to the inner wall of the inner groove 24 through a spring 26. The pressure release valve 20 utilizes the spring 26 to pull the control rod 25, so that the valve plate 29 moves in the flow channel 30, the valve plate 29 compresses the pressure release channel in a normal state, the sealing sheet 28 seals the pressure release channel, when the external pressure is overlarge, the pressure can push the valve plate 29, the valve plate 29 moves backwards, the channel is opened, and gas or liquid flows.

Referring to fig. 1 and 2, a sliding rod 2 parallel to a screw rod 3 is fixedly mounted on the piston plate 18, the sliding rod 2 penetrates through a through hole 5 on the barrel body to be mounted with a connecting frame 1, and the connecting frame 1 is connected with the screw rod 3. The slide rod 2 is matched with the connecting frame 1 to limit the direction of the screw rod 3, so that the screw rod 3 is prevented from rotating under the action of the driving assembly 17, and the phenomenon that the screw rod cannot move axially sufficiently is avoided.

Referring to fig. 1 and 2, the driving assembly 17 includes a threaded sleeve 10 rotatably installed in an installation groove 15, the threaded sleeve 10 is sleeved on the screw rod 3, a driving wheel 16 is installed outside the threaded sleeve 10, a waterproof motor 11 is installed in the installation groove 15, the waterproof motor 11 is connected with a driving wheel 14, and the driving wheel 14 is engaged with the driving wheel 16. The waterproof motor 11 drives the driving wheel 14, the driving wheel 14 drives the driving wheel 16, and then the rotation of the threaded sleeve 10 is controlled, and the axis of the screw rod 3 is driven to move.

Referring to fig. 1 and 2, the driving assembly 17 includes a storage battery 13 and a signal receiver 12 mounted in the mounting groove 15. The accumulator 13 functions and the signal receiver 12 is used for remote control.

Referring to fig. 1 and 2, the cylinder 6 is in threaded connection with the cylinder cover 22, a sealing washer 23 is installed at a joint between the inside of the cylinder cover 22 and the cylinder 6, and a water outlet 21 is installed at one end of the cylinder 6 close to the cylinder cover 22. The cover 22 can be screwed open, the sealing gasket 23 maintains the sealing effect, and the water outlet 21 is used for discharging the water sample.

Referring to fig. 1 and 2, two sides of one end of the outer part of the cylinder 6, which is far away from the cylinder cover 22, are provided with hanging lugs 7, and a handle 9 is arranged on the hanging lugs 7. The hangers 7 are matched with the lifting handle 9, so that the barrel body 6 is convenient to carry for operation, and the traction rope is convenient to hang during sampling.

The utility model discloses a theory of operation is:

this device has installed cover 22 in the one end of barrel 6, the one end of keeping away from cover 22 has set up the mounting groove 15 of installation drive assembly 17, barrel 6 is inside to be set up piston assembly 4, piston plate 18 receives drive assembly 17's drive through screw rod 3, the one end that barrel 6 kept away from cover 22 is equipped with multiunit water intaking groove 8 simultaneously, piston plate 18 can assist to form sealed water intaking space during the use, locate the water intaking in appointed depth of water, piston plate 18 can also finish the back at the water intaking simultaneously, scrape 6 inner walls of barrel, make 6 inner walls of barrel resume cleanness, be convenient for follow-up continuation sample, the aquatic of sample is got back to the attachment of scraping simultaneously, the water sample of also having avoided current sample causes the influence to self composition and proportion because of producing the attachment, effectual barrel 6 of having cleared up, the degree of accuracy of sample has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A sampling tool for environmental assessment aquatic ecology investigation comprises a cylinder and a piston assembly; the device is characterized in that a barrel cover is mounted at one end of the barrel body, a mounting groove is formed in one end, far away from the barrel cover, of the barrel body, and a driving assembly is mounted in the mounting groove; a piston assembly is arranged in the barrel and comprises a piston plate which is slidably arranged in the barrel, a screw rod is arranged at one end, far away from the barrel cover, of the piston plate, and the screw rod penetrates through the installation groove and is connected with a driving assembly; and one end of the cylinder body close to the mounting groove is provided with water taking grooves distributed annularly.

2. The sampling tool for environmental assessment aquatic ecology investigation of claim 1, wherein the piston plate is externally wrapped with a sealing sleeve made of flexible material, the piston plate is provided with a pressure relief flow channel penetrating through the piston plate and the sealing sleeve, and the middle part of the pressure relief flow channel is provided with a pressure relief valve positioned inside the piston plate.

3. The sampling tool for environmental impact assessment water ecology survey according to claim 2, wherein the pressure release valve comprises a circulation groove and an inner groove inside the piston plate, the circulation groove is connected to the pressure release flow passage, a valve plate is slidably mounted in the circulation groove, a sealing sheet is mounted on the valve plate at a position corresponding to the pressure release flow passage on two sides, a control rod inserted into the inner groove is mounted on the valve plate, and the control rod is connected with the inner wall of the inner groove through a spring.

4. The sampling tool for environmental impact assessment hydroecological investigation of claim 1 or 2, wherein the piston plate is fixedly installed with a slide bar parallel to the screw rod, the slide bar is installed with a connection frame through a through hole on the barrel body, and the connection frame is connected with the screw rod.

5. The sampling tool for environmental impact assessment aquatic ecology investigation of claim 1, wherein the driving assembly comprises a threaded sleeve rotatably mounted in a mounting groove, the threaded sleeve is sleeved on a screw rod, a driving wheel is mounted outside the threaded sleeve, a waterproof motor is mounted in the mounting groove, the waterproof motor is connected with a driving wheel, and the driving wheel is meshed with the driving wheel.

6. The sampling tool for environmental impact aquaponics research of claim 1 or 5, wherein the driving assembly comprises a storage battery and a signal receiver mounted in a mounting groove.

7. The sampling tool for environmental impact assessment water ecology survey according to claim 1, wherein the barrel is in threaded connection with the barrel cover, a sealing gasket is installed at the joint of the interior of the barrel cover and the barrel, and a water outlet is installed at one end of the barrel close to the barrel cover.

8. The sampling tool for environmental assessment aquatic ecology investigation of claim 1 or 7, wherein the two sides of the end of the outside of the cylinder body far away from the cylinder cover are provided with hanging lugs, and the hanging lugs are provided with handles.