Sampling device for water conservancy project investigation

Abstract

The utility model provides a sampling device for water conservancy project investigation, which belongs to the field of water conservancy projects and comprises a collecting cylinder and an end cover, the collecting cylinder is connected with the end cover through a bolt, and an adjusting mechanism is arranged in the collecting cylinder. By means of the adjusting mechanism, before use, the push rod is pushed to the bottommost portion of the collecting barrel, then the pin shaft pushes the inserting plate, the position of the push rod is fixed, and after a water layer with the specified depth is reached, the buoyancy ball pulls the pin shaft, so that the push rod is released, and water flow enters from the bottom of the collecting barrel; therefore, water flow can be prevented from entering, water quality information of a target water layer can be directly obtained, water samples of water layers of different depths are prevented from being mixed, data accuracy is improved, key information can be rapidly obtained, exploration efficiency is improved, the construction period is shortened, and the specific depth sampling technology has wide application value in water resource management and pollution prevention and control. And sustainable utilization of water resources can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hydraulic engineering, and more particularly to the sampling device for hydraulic engineering investigation. BACKGROUND

[0002] The hydraulic engineering investigation is an important link for ensuring the quality and safety of hydraulic engineering construction, and the sampling device is an indispensable tool in the investigation process.

[0003] Through the search, in the prior art, the patent with patent announcement number CN219714870U discloses "a sampling device for hydraulic engineering investigation, including holding main cylinder, telescopic sleeve is set in the holding extension rod in the holding main cylinder, the limiting bolt is set on the side wall of the holding main cylinder and can be resisted on the outer side wall of the holding extension rod so as to fix the connecting place of the holding main cylinder and the holding extension rod, the screw rod is set on the limiting bolt, the fixed cylinder is set on the free end side of the holding extension rod, the syringe is inserted in the fixed cylinder, the fastening bolt is set on the fixed cylinder and can be resisted on the outer side wall of the syringe so as to fix the connecting place of the fixed cylinder and the syringe, and the pulling rope is tied on the piston rod of the syringe, the sampling device for hydraulic engineering investigation of the utility model not only can make the user quickly get the required sample water, but also can make the user quickly and conveniently clean the water storage structure, so that the demand of people for sampling sample water is better met", but still has the following defects:

[0004] In the sampling process, shallow water is collected together, and the water layer of a specific depth cannot be collected, which can lead to inaccurate sampling detection results.

[0005] Therefore, we improve it and propose a sampling device for hydraulic engineering investigation. INVENTION CONTENTS

[0006] The utility model aims at: aiming at the problem that in the sampling process, shallow water is collected together, and the water layer of a specific depth cannot be collected, which can lead to inaccurate sampling detection results.

[0007] In order to realize the above-mentioned utility model purposes, the utility model provides the following technical scheme:

[0008] The sampling device for hydraulic engineering investigation is used to improve the above-mentioned problems.

[0009] The utility model is as follows:

[0010] Including collecting cylinder and end cover, the collecting cylinder and end cover are connected through bolt, the inside of collecting cylinder is provided with adjusting mechanism.

[0011] The adjusting mechanism comprises a push rod, a push disc, a blocking plate, a clamping groove, an inserting plate, an extension shaft, a shaft sleeve base, a first spring, a second spring, an outer link, a pin shaft and a buoyancy ball, the push rod is vertically arranged in the interior of the collecting cylinder and can move up and down through the end cover, the push disc is fixedly installed at one end of the bottom of the push rod, the blocking plate is fixedly installed on the inner wall of the collecting cylinder, the clamping groove is arranged on one side of the push rod, the inserting plate is arranged above the blocking plate and one end of the inserting plate can be matched with the clamping groove, one end of the extension shaft is fixedly connected to the end of the inserting plate away from the push rod and the other end is fixedly connected to the inner wall of the collecting cylinder, the shaft sleeve base is fixedly installed on the inner wall of the collecting cylinder and is used as a mounting base of the extension shaft, the first spring is sleeved on the push rod, the second spring is sleeved on the extension shaft, the outer link penetrates the side wall of the collecting cylinder and is coaxially arranged in the interior of the extension shaft, one end of the outer link is fixedly connected to one end of the inserting plate, the pin shaft is movably installed on the end cover and can abut against the rightmost end of the inserting plate when being at the lowest end, and the buoyancy ball is connected to the pin shaft through a connecting rope.

[0012] As the preferred technical scheme of the present application, the bottom of the collecting cylinder is provided with a water inlet, and a fan-shaped arc plate is installed at the water inlet.

[0013] As the preferred technical scheme of the present application, the bottom of the collecting cylinder is provided with a water inlet, and a fan-shaped arc plate is installed at the water inlet.

[0014] As the preferred technical scheme of the present application, the bottom of the collecting cylinder is provided with a water outlet, and a valve is fixedly installed at the corresponding position of the water outlet of the collecting cylinder.

[0015] As the preferred technical scheme of the present application, the bottom of the collecting cylinder is provided with a water outlet, and a valve is fixedly installed at the corresponding position of the water outlet of the collecting cylinder.

[0016] As the preferred technical scheme of the present application, the bottom of the collecting cylinder is provided with a water outlet, and a valve is fixedly installed at the corresponding position of the water outlet of the collecting cylinder.

[0017] As the preferred technical scheme of the present application, the bottom of the collecting cylinder is provided with a water outlet, and a valve is fixedly installed at the corresponding position of the water outlet of the collecting cylinder.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] In the scheme of the present application:

[0020] Through the adjusting mechanism, before use, the push rod is pushed to the bottom of the collecting cylinder, then the push rod position is fixed by the pin shaft pushing the plug plate, after reaching the specified depth of water layer, the buoyancy ball pulls the pin shaft, thereby releasing the push rod, and the water flow enters from the bottom of the collecting cylinder; thereby the water flow entering the water quality information of the target water layer can be directly obtained, the water samples of different depth water layers are avoided to be mixed, the data accuracy is improved, the key information can be rapidly obtained, the survey efficiency is improved, the construction period is shortened, and the specific depth sampling technology has wide application value in water resource management and pollution prevention, and helps to realize sustainable utilization of water resources. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A structure schematic view of the sampling device for water conservancy investigation is provided in the utility model.

[0022] Figure 2 A whole structure schematic view of the sampling device for water conservancy investigation is provided in the utility model.

[0023] Figure 3 A whole side view structure schematic view of the sampling device for water conservancy investigation is provided in the utility model.

[0024] Figure 4 A whole sectional view structure schematic view of the sampling device for water conservancy investigation is provided in the utility model.

[0025] Figure 5 A structure schematic view of the sampling device for water conservancy investigation is provided in the utility model. Figure 4 An enlarged structure schematic view of position A.

[0026] Indicated in the drawing:

[0027] 1, collecting cylinder; 2, end cover; 3, adjusting mechanism; 301, push rod; 302, push disc; 303, grid baffle; 304, clamping groove; 305, plug plate; 306, telescopic shaft; 307, shaft sleeve seat; 308, first spring; 309, second spring; 310, outer side connecting rod; 311, pin shaft; 312, buoyancy ball; 4, water inlet; 5, fan-shaped arc plate; 6, isolation net plate; 7, water outlet; 8, valve; 9, first handle; 10, second handle; 11, connecting groove; 12, counterweight. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0029] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but merely to indicate some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0031] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0032] As Figures 1-5 shown, the present embodiment proposes a sampling device for water conservancy investigation, which comprises a collecting cylinder 1 and an end cover 2, the collecting cylinder 1 and the end cover 2 are connected through bolts, and the inside of the collecting cylinder 1 is provided with an adjusting mechanism 3.

[0033] As Figure 4 and Figure 5As shown, the adjusting mechanism 3 comprises a push rod 301, a push disc 302, a blocking plate 303, a clamping groove 304, an insertion plate 305, an extension shaft 306, a shaft sleeve base 307, a first spring 308, a second spring 309, an outer link 310, a pin shaft 311 and a buoyancy ball 312, the push rod 301 is vertically arranged in the interior of the collecting cylinder 1 and can move up and down through the end cover 2, the push disc 302 is fixedly installed at one end of the bottom of the push rod 301, the blocking plate 303 is fixedly installed on the inner wall of the collecting cylinder 1, the clamping groove 304 is opened on one side of the push rod 301, the insertion plate 305 is above the blocking plate 303, and one end of the insertion plate 305 can cooperate with the clamping groove 304, one end of the extension shaft 306 is fixedly connected to the end of the insertion plate 305 away from the push rod 301, and the other end is fixedly connected to the inner wall of the collecting cylinder 1, the shaft sleeve base 307 is fixedly installed on the inner wall of the collecting cylinder 1 as a mounting base of the extension shaft 306, the first spring 308 is sleeved on the push rod 301, the second spring 309 is sleeved on the extension shaft 306, the outer link 310 penetrates through the side wall of the collecting cylinder 1, and the outer link 310 is coaxially arranged inside the extension shaft 306, and one end of the outer link 310 is fixedly connected to one end of the insertion plate 305, the pin shaft 311 is movably installed on the end cover 2, and the pin shaft 311 can abut against the rightmost end of the insertion plate 305 when at the lowest end, the buoyancy ball 312 is connected to the pin shaft 311 through a connecting rope, the connection between the push rod 301, the pin shaft 311 and the end cover 2 is sealed by a sealing gasket, preventing water flow from entering the collecting cylinder 1 through the end cover 2, and the connection between the push rod 301, the pin shaft 311 and the end cover 2 is sealed by a sealing gasket, preventing water flow from entering the collecting cylinder 1 through the end cover 2. Before use, according to the sampling depth, the buoyancy ball 312 of a suitable length is installed on the pin shaft 311, the outer link 310 is pulled outward to pull the insertion plate 305 outward, so that the insertion plate 305 is separated from the clamping groove 304, then the push rod 301 is pushed to the bottom of the collecting cylinder 1, the outer link 310 is pushed to make one end of the insertion plate 305 clamped in the clamping groove 304, then the pin shaft 311 is pushed downward, so that the bottom end of the pin shaft 311 abuts against the rightmost end of the insertion plate 305, preventing the insertion plate 305 from rebounding and separating from the clamping groove 304 under the driving of the second spring 309, after reaching the specified depth, the buoyancy ball 312 has a large enough buoyancy to pull the pin shaft 311, the insertion plate 305 rebounds under the driving of the second spring 309, so that the insertion plate 305 separates from the clamping groove 304, water flows into the collecting cylinder 1 from the bottom, and the push rod 301 rebounds to the uppermost end under the pressure of the first spring 308 and the internal water flow, thereby sampling the water layer at the specified depth.

[0034] As Figure 4As shown, the bottom of the collecting cylinder 1 is provided with a water inlet 4, and a fan-shaped arc plate 5 is installed at the water inlet 4. The outer edge of the fan-shaped arc plate 5 is rotationally connected to the inside of the water inlet 4, and the fan-shaped arc plate 5 can only rotate upward. When the water flow enters from the bottom of the collecting cylinder 1, the fan-shaped arc plate 5 is pushed to rotate upward. Since the fan-shaped arc plate 5 cannot rotate downward, the water flow cannot flow out of the inside of the collecting cylinder 1.

[0035] As shown in the Figure 2 bottom of the collecting cylinder 1 is provided with an isolation net plate 6 which is a PVC plate component and is installed by bolts. The isolation net plate 6 can prevent waterweeds in the water area from entering the collecting cylinder 1.

[0036] As shown in the Figure 4 bottom of the collecting cylinder 1 is provided with a water outlet 7, and a valve 8 is fixedly installed at the corresponding position of the water outlet 7. After sampling is completed, the water flow in the collecting cylinder 1 is discharged through the valve 8.

[0037] As shown in the Figure 1 first handle 9 is fixedly installed on the outer side wall of the collecting cylinder 1, and a second handle 10 is fixedly installed on the end cover 2. The first handle 9 and the second handle 10 facilitate overall holding.

[0038] As shown in the Figure 1 end cover 2 and the collecting cylinder 1 are both transparent plastic plates, and a connecting groove 11 is provided at the edge of the end cover 2. The connecting groove 11 facilitates connection of the end cover 2 with the collecting cylinder 1, and facilitates installation of a connecting rope. After sampling is completed, the whole is pulled out.

[0039] As shown in the Figure 2 bottom of the collecting cylinder 1 is fixedly installed with a counterweight 12, and the counterweight 12 is diagonally arranged with the position of the buoyancy ball 312. Since the internal components of the collecting cylinder 1 are arranged on one side, the counterweight 12 can ensure that the collecting cylinder 1 is balanced as a whole.

[0040] Specifically, the sampling device for water conservancy investigation works as follows: according to the sampling depth, the buoyancy ball 312 with a proper length is installed on the pin shaft 311, the outer connecting rod 310 is pulled outward, the insertion plate 305 is pulled outward, the insertion plate 305 is separated from the clamping groove 304, the push rod 301 is pushed to the bottom of the collecting cylinder 1, the outer connecting rod 310 is pushed, one end of the insertion plate 305 is clamped in the clamping groove 304, the pin shaft 311 is pushed downward, the bottom end of the pin shaft 311 abuts against the right end of the insertion plate 305, the insertion plate 305 is prevented from rebounding and separating from the clamping groove 304 under the driving of the second spring 309, after reaching the specified depth, the buoyancy of the buoyancy ball 312 is large enough to pull the pin shaft 311, the insertion plate 305 rebounds under the driving of the second spring 309, the insertion plate 305 separates from the clamping groove 304, the water flows into the bottom of the collecting cylinder 1, the push rod 301 rebounds to the uppermost end under the pressure of the internal water flow and the first spring 308, and thus the water layer at the specified depth is sampled, after the sampling is completed, the water in the collecting cylinder 1 is discharged through the valve 8 for detection.

[0041] All the technical features in the embodiment can be freely combined according to actual needs.

[0042] The above embodiment is a preferred implementation scheme of the utility model, and the utility model can also be implemented in other manners, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A sampling device for hydraulic engineering survey, comprising a collecting cylinder (1) and an end cap (2), characterized in that, The collecting cylinder (1) is connected with the end cover (2) by bolts, and the inside of the collecting cylinder (1) is provided with an adjusting mechanism (3). The adjusting mechanism (3) comprises a push rod (301), a push disc (302), a blocking plate (303), a clamping groove (304), an insertion plate (305), an extension shaft (306), a shaft sleeve base (307), a first spring (308), a second spring (309), an outer link (310), a pin shaft (311) and a buoyancy ball (312), the push rod (301) is vertically arranged in the inside of the collecting cylinder (1) and can move up and down through the end cover (2), the push disc (302) is fixedly installed at one end of the bottom of the push rod (301), the blocking plate (303) is fixedly installed on the inner wall of the collecting cylinder (1), the clamping groove (304) is arranged on one side of the push rod (301), the insertion plate (305) is located above the blocking plate (303), and one end of the insertion plate (305) can be matched with the clamping groove (304), one end of the extension shaft (306) is fixedly connected with the insertion plate (305) away from the push rod (301), and the other end is fixedly connected with the inner wall of the collecting cylinder (1), the shaft sleeve base (307) is fixedly installed on the inner wall of the collecting cylinder (1), the first spring (308) is sleeved on the push rod (301), the second spring (309) is sleeved on the extension shaft (306), the outer link (310) penetrates through the side wall of the collecting cylinder (1), the outer link (310) is coaxially arranged in the inside of the extension shaft (306), one end of the outer link (310) is fixedly connected with one end of the insertion plate (305), the pin shaft (311) is movably installed on the end cover (2), and the buoyancy ball (312) is connected with the pin shaft (311) by a connecting rope.

2. The sampling device for hydraulic engineering surveying according to claim 1, characterized in that, A water inlet (4) is arranged at the bottom of the collecting cylinder (1), a fan-shaped arc plate (5) is installed at the water inlet (4), the outer edge of the fan-shaped arc plate (5) is rotationally connected with the inside of the water inlet (4), and the fan-shaped arc plate (5) can only rotate upward.

3. The sampling device for hydraulic engineering survey of claim 1, wherein, An isolation net plate (6) is installed at the bottom of the collecting cylinder (1) by bolts, and the isolation net plate (6) is a PVC plate component.

4. The sampling device for hydraulic engineering survey of claim 1, wherein, A water outlet (7) is arranged at the bottom of the collecting cylinder (1), and a valve (8) is fixedly installed at the corresponding position of the water outlet (7) of the collecting cylinder (1).

5. The sampling device for hydraulic engineering surveying according to claim 1, characterized in that, A first handle (9) is fixedly installed on the outer side wall of the collecting cylinder (1), and a second handle (10) is fixedly installed on the end cover (2).

6. The sampling device for hydraulic engineering survey of claim 1, wherein The end cover (2) and the collecting cylinder (1) are both transparent plastic plates, and a connecting groove (11) is arranged at the edge of the end cover (2).

7. The sampling device for hydraulic engineering surveying according to claim 1, characterized in that, A counterweight (12) is fixedly installed at the bottom of the collecting cylinder (1), and the counterweight (12) and the buoyancy ball (312) are diagonally arranged.

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