CN214277570U

CN214277570U - Sampling device for hydraulic engineering

Info

Publication number: CN214277570U
Application number: CN202120419968.3U
Authority: CN
Inventors: 李刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-09-24
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a sampling device for hydraulic engineering, which comprises a base, wherein one side of the base is provided with a bearing, the outer ring of the bearing is connected with the side wall of the base, the inner ring of the bearing is connected with a butt joint pipe, and the top thread of the butt joint pipe is connected with a pulling pipe; the outer wall of the pulling pipe is connected with a guide plate, a pressing plate is arranged below the guide plate, the top of the pressing plate is connected with a guide column, the guide column is connected with the guide plate in a sliding manner, and a spring is connected between the bottom of the guide plate and the top of the pressing plate; the top of the pressure plate is connected with a pull rope, and the pull rope is connected with the top of the pull pipe; the bottom of the pressing plate is provided with a tubular water guide sleeve, and the bottle mouth of the sampling bottle is inserted in the water guide sleeve; the outer wall of the water guide sleeve is connected with a support plate, and the top end of the water guide sleeve is arranged in parallel with the upper surface of the support plate; one end of the supporting plate is connected with the outer wall of the lifting pipe; the upper surface of the supporting plate is connected with a sealing ring. The device has the advantages of simple structure, convenient operation, more representativeness of the sampling sample and improvement of the accuracy of the detection result.

Description

Sampling device for hydraulic engineering

Technical Field

The utility model belongs to the technical field of hydraulic engineering, concretely relates to sampling device for hydraulic engineering.

Background

The water quality monitoring is to monitor and measure the types of pollutants in the water body, the concentrations and the variation trends of various pollutants, so that in the daily detection process, liquid at different depths needs to be collected, and then the liquid at different positions in the same river is convenient to be collected, and the pollution degree of the river is convenient to be reasonably evaluated.

The existing water quality sampling method is commonly used for sampling by directly connecting a sampling bottle through a soft rope, but due to the impact of water flow, the sampling bottle is deflected under the action of a subsurface flow in water, so that the depth and sampling position of water quality sampling are changed, and the sampled data cannot truly reflect the actual situation; in addition, when the sampling, after the sampling bottle launched water, when sampling device sinks to the sample depth by upper water, the quality of water in the sampling bottle is not the quality of water of the degree of depth department completely, and the sampling is not accurate enough, and then leads to quality of water sample detection's inaccurate result.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, a sampling device for hydraulic engineering is provided.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a sampling device for hydraulic engineering, including the base that is used for placing the sampling bottle, base one side is provided with the bearing, and the outer lane of bearing links to each other with the base lateral wall, and the inner circle of bearing is connected with the butt joint pipe, the top threaded connection of butt joint pipe has the pull-up pipe; the outer wall of the lifting pipe is connected with a guide plate, a pressing plate is arranged below the guide plate, the top of the pressing plate is connected with a guide column, the guide column is connected with the guide plate in a sliding mode, and a spring is connected between the bottom of the guide plate and the top of the pressing plate; the top of the pressing plate is connected with a pull rope, and the pull rope is connected with the top of the lifting pipe; the bottom of the pressing plate is provided with a tubular water guide sleeve, and the bottle mouth of the sampling bottle is inserted into the water guide sleeve; the outer wall of the water guide sleeve is connected with a support plate, and the top end of the water guide sleeve is arranged in parallel with the upper surface of the support plate; one end of the supporting plate is connected with the outer wall of the pulling pipe; the sealing ring is connected to the upper surface of the supporting plate, the sealing ring and the water guide sleeve are coaxially arranged, the diameter of the sealing ring is larger than that of the water guide sleeve, and the sealing ring is matched with the pressing plate.

Preferably, the top of the lifting pipe is connected with a fixed pulley, the outer wall of the lifting pipe is further connected with a handle, and one end of the pull rope is guided by the fixed pulley and then connected to the handle.

Preferably, the top of the pulling pipe is connected with a fixed pulley, the outer wall of the pulling pipe is further connected with a handle, a crank is connected to a wheel shaft of the fixed pulley, and one end of the pulling rope is fixedly connected to the fixed pulley.

Preferably, the upper surface of the base is provided with a slotted hole, and the size of the slotted hole is matched with the outer diameter of the sampling bottle.

Preferably, a water stopping rubber ring is arranged on the inner wall of the water guide sleeve.

Preferably, a sliding hole is formed in the guide plate, the guide column freely penetrates through the sliding block and moves up and down along the sliding hole, a rope threading hole is formed in the center of the guide plate, and the rope penetrates out of the rope threading hole.

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

the device has the advantages that through the structural form of the lifting pipe and the base, the lifting pipe can drive the sampling bottle to extend into the designated position of the water body, so that the sampling bottle can not deviate even under the action of the subsurface flow in water, and the depth of water quality sampling and the accuracy of the sampling position can be ensured; in addition, through the arrangement of the water guide sleeve, the supporting plate, the sealing ring, the pressing plate and other structures which are matched with the sampling bottle, when the sampling device is used, the threaded connection between the butt joint pipe and the pull pipe can be realized through rotating the butt joint pipe, meanwhile, the bottle mouth of the sampling bottle is inserted into the water guide sleeve, the pressing plate is pressed and held on the sealing ring under the elastic force of the spring, so that the top of the water guide sleeve is sealed in a sealing mode, the water guide sleeve can be opened to enable a water sample to flow in after the specified depth is reached, after sampling is completed, the pull rope is loosened, and the pressing plate is pressed and held on the sealing ring again under the elastic force of the spring to realize sealing in a sealing mode, so that the accuracy of the water sample is improved.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an enlarged view of a part of the structure of the support plate, the water guide sleeve and the pressure plate.

FIG. 3 is a top view of a bearing and base structure.

Fig. 4 is a schematic structural diagram of an embodiment of the present invention.

Description of reference numerals:

1, a base; 2, a bearing; 3, butt joint of pipes; 4, lifting the tube; 5, sampling a bottle; 6, supporting plates; 7, a water guide sleeve; 8, sealing rings; 9, pressing a plate; 10 a guide plate; 101, a slide hole; 102 stringing holes; 11 a guide post; 12 springs; 13 pulling a rope; 14 a fixed pulley; 15 a handle; 16 slotted holes; 17 a crank.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Example one

As shown in fig. 1-3, the embodiment provides a sampling device for hydraulic engineering, which includes a base 1 for placing a sampling bottle 5, in order to facilitate positioning and improve stability, a slot 16 is formed on the upper surface of the base 1, and the size of the slot 16 is adapted to the outer diameter of the sampling bottle 5; a bearing 2 is arranged on one side of the base 1, and the outer ring of the bearing 2 is connected with the side wall of the base 1 and can be welded; the inner ring of the bearing 2 is connected with a butt joint pipe 3 which can adopt an interference sleeving mode; thus, the butt-joint pipe 3 can freely rotate relative to the base 1; the top of the butt joint pipe 3 is in threaded connection with a lifting pipe 4; the outer wall of the lifting pipe 4 is connected with a guide plate 10, the guide plate 10 can be directly welded with the outer wall of the lifting pipe 4, a pressing plate 9 is arranged below the guide plate 10, the top of the pressing plate 9 is connected with a guide post 11, and the guide post 11 is in sliding connection with the guide plate 10; a spring 12 is connected between the bottom of the guide plate 10 and the top of the pressure plate 9; the top of the pressing plate 9 is connected with a pull rope 13, and the pull rope 13 is connected with the top of the lifting pipe 4; the bottom of the pressing plate 9 is provided with a tubular water guide sleeve 7, and the bottle mouth of the sampling bottle 5 is inserted in the water guide sleeve 7; the outer wall of the water guide sleeve 7 is connected with a support plate 6, and the top end of the water guide sleeve 7 is arranged in parallel with the upper surface of the support plate 6; one end of the supporting plate 6 is connected with the outer wall of the lifting pipe 4; the upper surface of the supporting plate 6 is connected with a sealing ring 8, the sealing ring 8 and the water guide sleeve 7 are coaxially arranged, the diameter of the sealing ring 8 is larger than that of the water guide sleeve 7, the sealing ring 8 is matched with the pressing plate 9, and the pressing plate 9 is pressed and held on the sealing ring 8 under the elastic force action of the spring 12 when the water guide sleeve is used, so that the water guide sleeve 7 is sealed, and a water sample is prevented from entering or flowing out.

The specific sliding connection mode of the guide post 11 and the guide plate 10 is set as follows: the guide plate 10 is provided with a sliding hole 101, the guide columns 11 freely penetrate through and slide and move up and down along the sliding hole 101, and in order to improve the stability, 2 guide columns 11 can be arranged in the vertical direction and are symmetrically arranged; a rope threading hole 102 is formed in the center of the guide plate 10, and the rope 13 passes through the rope threading hole 102.

In order to conveniently pull the pull rope 13, the top of the lifting pipe 4 is connected with a fixed pulley 14, the outer wall of the lifting pipe 4 is further connected with a handle 15, one end of the pull rope 13 is connected to the handle 15 after being guided by the fixed pulley 14, when the separation of the pressing plate 9 and the sealing ring 8 needs to be realized, the pull rope 13 can be pulled by a worker, the pressing plate 9 can be driven by the pull rope 13 to move upwards to realize the separation of the pressing plate 9 and the sealing ring 8, and a water sample can enter the sampling bottle 5 through the water guide sleeve 7.

In order to further improve the sealing performance, the inner wall of the water guide sleeve 7 is provided with a water stop rubber ring which can be tightly attached to the bottle mouth of the sampling bottle 5.

Example two

As shown in fig. 4, the other mechanisms are the same as the first embodiment, except that the top of the pulling tube 4 is connected with a fixed pulley 14, the outer wall of the pulling tube 4 is further connected with a handle 15, a wheel shaft of the fixed pulley 14 is connected with a crank 17, one end of the pulling rope 13 is fixedly connected to the fixed pulley 14, and when the pulling device is used, the fixed pulley 14 is driven to rotate by rotating the crank 17, so that the pulling rope 13 is wound, the pressing plate 9 can be driven to move upwards more conveniently, and the pressing plate 9 and the sealing ring 8 are separated.

The specific working process is as follows:

when the device is used, a sampling bottle 5 is placed on a base 1, then a bottle mouth is aligned with a water guide sleeve 7, meanwhile, an abutting pipe 3 is aligned with a lifting pipe 4, then the abutting pipe 3 is rotated, the abutting pipe 3 is in threaded connection with the lifting pipe 4, at the moment, the bottle mouth of the sampling bottle 5 is inserted into a guide sleeve, and at the moment, assembly is completed; then grip handle 15, stretch into the dip tube 4 and appoint the water depth, treat that sample bottle 5 puts in place the back, keep sample bottle 5 motionless, then pulling stay cord 13, stay cord 13 can drive clamp plate 9 and shift up, spring 12 is further compressed, clamp plate 9 and sealing washer 8 separation, the water sample can flow into sample bottle 5 through water guide sleeve 7, after accomplishing the sample, loosen stay cord 13, under the spring 12 elastic force effect, clamp plate 9 resets, thereby it is sealed with water guide sleeve 7 shutoff to laminate with sealing washer 8 once more, then take out sample bottle 5 from the aquatic, accomplish a sample work.

Therefore, the device can be seen in the way that the lifting pipe 4 and the base 1 are arranged, and the sampling bottle 5 can be driven to stretch into the designated position of the water body through the lifting pipe 4, so that the sampling bottle 5 cannot deviate under the action of the subsurface flow in the water, and the depth and the sampling position accuracy of water quality sampling can be guaranteed; in addition, through setting up structures such as water guide sleeve 7, backup pad 6, sealing washer 8 and clamp plate 9 with sampling bottle 5 looks adaptation, when using, can realize the threaded connection of butt joint pipe 3 and dip-tube 4 through rotatory butt joint pipe 3 and make the bottleneck of sampling bottle 5 insert in water guide sleeve 7 simultaneously, clamp plate 9 is pressed under the spring force effect of spring 12 and is held on sealing washer 8, thereby the top shutoff of water guide sleeve 7 is sealed, can guarantee to open water guide sleeve 7 again after reaching appointed degree of depth and make the water sample flow in, after the sample is accomplished, loosen stay cord 13, clamp plate 9 is pressed again under the spring force effect of spring 12 and is held on sealing washer 8 and realize the shutoff is sealed, thereby the accuracy of the water sample of having improved.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A sampling device for hydraulic engineering is characterized by comprising a base for placing a sampling bottle, wherein one side of the base is provided with a bearing, the outer ring of the bearing is connected with the side wall of the base, the inner ring of the bearing is connected with a butt joint pipe, and the top of the butt joint pipe is in threaded connection with a pulling pipe; the outer wall of the lifting pipe is connected with a guide plate, a pressing plate is arranged below the guide plate, the top of the pressing plate is connected with a guide column, the guide column is connected with the guide plate in a sliding mode, and a spring is connected between the bottom of the guide plate and the top of the pressing plate; the top of the pressing plate is connected with a pull rope, and the pull rope is connected with the top of the lifting pipe; the bottom of the pressing plate is provided with a tubular water guide sleeve, and the bottle mouth of the sampling bottle is inserted into the water guide sleeve; the outer wall of the water guide sleeve is connected with a support plate, and the top end of the water guide sleeve is arranged in parallel with the upper surface of the support plate; one end of the supporting plate is connected with the outer wall of the pulling pipe; the sealing ring is connected to the upper surface of the supporting plate, the sealing ring and the water guide sleeve are coaxially arranged, the diameter of the sealing ring is larger than that of the water guide sleeve, and the sealing ring is matched with the pressing plate.

2. The sampling device for the hydraulic engineering of claim 1, wherein a fixed pulley is connected to the top of the pulling tube, a handle is further connected to the outer wall of the pulling tube, and one end of the pulling rope is guided by the fixed pulley and then connected to the handle.

3. The sampling device for the hydraulic engineering according to claim 1, wherein a fixed pulley is connected to the top of the pulling tube, a handle is further connected to the outer wall of the pulling tube, a crank is connected to a wheel shaft of the fixed pulley, and one end of the pulling rope is fixedly connected to the fixed pulley.

4. The sampling device of claim 1, wherein the upper surface of the base is provided with a slot, and the size of the slot is adapted to the outer diameter of the sampling bottle.

5. The sampling device for hydraulic engineering according to claim 1, characterized in that a water stop rubber ring is arranged on the inner wall of the water guide sleeve.

6. The sampling device for the hydraulic engineering according to claim 1, wherein a slide hole is formed in the guide plate, the guide post freely penetrates through the slide and moves up and down along the slide hole, a rope penetrating hole is formed in the center of the guide plate, and the rope penetrates out of the rope penetrating hole.