CN216349694U

CN216349694U - Pond culture deposition environment sample collection device

Info

Publication number: CN216349694U
Application number: CN202122936631.2U
Authority: CN
Inventors: 董贯仓; 丛旭日; 杜兴华; 高云芳; 孙鲁峰; 谭圣延
Original assignee: Shandong Freshwater Fisheries Research Institute
Current assignee: Shandong Freshwater Fisheries Research Institute
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-19
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a pond culture deposition environment sample collecting device, which comprises a sampling cylinder and a lifting rod with adjustable length, wherein the sampling cylinder is provided with the lifting rod, is made of hard transparent materials, and the upper end of the sampling cylinder gradually gathers to form an inverted cone; the sampling tube is uniformly provided with a plurality of lifting rods by taking the vertical central line of the sampling tube as an axis, a holding ring serving as a handle structure is arranged between the upper ends of the plurality of lifting rods, a three-rod support is arranged in the holding ring, and three bubble levels with the axes coincident with the radius of the holding ring are uniformly arranged on the three-rod support by taking the vertical central line of the sampling tube as an axis. The utility model can be specially suitable for sludge sample collection of the culture pond, has high sampling accuracy and can sample water close to a sludge layer.

Description

Pond culture deposition environment sample collection device

Technical Field

The utility model relates to the technical field of pond culture supplies, in particular to a pond culture deposition environment sample collecting device.

Background

The quality of pond water is related to the quality of aquaculture, and the indexes of the quality of pond water are as follows: the pond water temperature, the pH value (PH value), the dissolved oxygen value, the transparency and the like, the composition of a pond sludge layer is determined during specific research, and the pond water quality management is facilitated, so that a pond deposition environment needs to be sampled, namely, the pond sludge layer is sampled, the conventional aquatic sludge sampling is to dig sludge when the water in a pond is less, the sampling is oblique sampling, the quantity of harmful substances in the sludge layer at different depths cannot be accurately detected, for example, whether the harmful substances in the parts of the sludge layer close to the water surface and far away from the water surface are consistent or not cannot be accurately determined, multiple times of sampling are generally needed, the sampled sludge is easily dissolved by the water body of the pond, and the sample detection result is inaccurate, so a device which is vertically inserted into the pond sludge layer for sampling is specially designed, and the closest prior art is found after retrieval, and has the application number of 2019210739130, As a comparison document 1, a chinese patent entitled "a sampling device for collecting sludge and mucky soil samples" discloses a sampling device for collecting sludge and mucky soil samples, which includes a sampling cylinder formed by two semicircles which are fastened together; the lower extreme of sample drum forms external screw thread down to connect annular sampler bottom blade or through the annular sampler bottom blade of threaded connection's a strander installation section of thick bamboo threaded connection, the upper end has last external screw thread and with a connecting cylinder of threaded connection, the exhaust apparatus that has the built-in piston rod that has the gas vent on the lateral wall of upper end threaded connection of connecting cylinder, and exhaust apparatus's upper end is provided with the coupling of connecting drive arrangement, and the conical piston body that the lower extreme of piston rod set up is located exhaust apparatus's bottom opening part, exhaust apparatus's bottom opening part forms complex conical surface. The utility model can use the common small-sized drilling machine as the driving force, can also adopt the manual drive to sample in the shallow sludge area, changes the original sampling mode from the rotary static pressure mode to the simple static pressure mode, and reduces one-time disturbance. And the technical scheme of contrast this application and the technical scheme of contrast 1, can see that the technical scheme of contrast 1 is that the drive bores and gets silt, can not take a sample and close to the water on silt layer, it is comparatively complicated to adopt electric drill simultaneously, big material usefulness to aquaculture sample, can not accurately determine whether this sample is vertical sample yet, for example, the slant sample, it is little or big to calculate the volume of harmful substance in the silt easily in the silt of the different degree of depth, also cause the inaccuracy of testing result easily, measure to follow-up breed or pond water quality management causes the error, influence the breed result, serious or serious harm raiser's economic benefits even.

SUMMERY OF THE UTILITY MODEL

Aiming at the existing problems, the utility model provides a pond culture sedimentation environment sample collecting device, which adopts a sampling cylinder made of hard transparent material, and the upper end of the sampling cylinder is provided with a hose capable of moving downwards for drainage and moving upwards for bending and plugging, thereby realizing that the upper end of the sampling cylinder is bent and plugged by the hose to generate negative pressure, avoiding sludge from sliding out from the lower end of the sampling cylinder, and the sampling cylinder is provided with a lifting rod with adjustable length according to water depth, and the upper end of the lifting rod is provided with three bubble levels which are uniformly distributed around the axis of the sampling cylinder, so that an operator can determine the angle of vertically downwards inserting into the sludge layer according to the bubble levels, namely, the sludge layer in the pond can be vertically and accurately taken out, meanwhile, in order to avoid the phenomenon that sludge is submerged by water in the upward lifting process of the sampling cylinder and slides down the sampling cylinder due to the fact that the sludge is in a larger water depth, an elastic sampling cylinder lower port plugging structure is specially designed.

The technical scheme of the utility model is as follows:

the utility model provides a pond culture sedimentation environment sample collection device which comprises a sampling cylinder and a lifting rod, wherein the lifting rod is arranged on the sampling cylinder, the sampling cylinder is made of hard transparent materials, the upper end of the sampling cylinder is gradually gathered to form an inverted cone, a connecting pipe is arranged at the upper end of the sampling cylinder, a hose made of soft materials is nested on the connecting pipe, a liquid taking pipe is arranged on the side wall of the upper part of the sampling cylinder, which is close to the inverted cone, and a sealing plug is plugged into the end part, far away from the sampling cylinder, of the liquid taking pipe.

Further, the lifting rod comprises an upper sleeve, a middle threaded pipe, a middle sleeve, a lower threaded pipe and a lower connecting rod, the lower end of the lower connecting rod is clamped by a connecting pipe hoop locked in the middle of the sampling cylinder, the lower threaded pipe is positioned at the upper end of the lower connecting rod, the lower threaded pipe and the lower connecting rod form a lower basic connecting rod, the upper end of the lower threaded pipe is correspondingly threaded and nested with the middle sleeve, the middle threaded pipe is arranged at the upper end of the middle sleeve, the middle threaded pipe and the middle combined rod form a middle combined rod, the middle combined rods are sequentially vertically distributed from bottom to top, the middle sleeve of the middle combined rod positioned at the upper part of the two adjacent middle combined rods is correspondingly threaded and nested on the middle threaded pipe of the middle combined rod positioned at the lower part, a middle rod body structure with adjustable length is formed, the upper sleeve is correspondingly threaded and nested on the middle threaded pipe at the upper end of the middle rod body structure, and a handle structure is arranged at the upper end of the upper sleeve.

Furthermore, a plurality of lifting rods are uniformly distributed on the sampling tube by taking the vertical central line of the sampling tube as an axis, a holding ring serving as a handle structure is arranged between the upper ends of the lifting rods, a three-rod support is arranged in the holding ring, and three bubble levels with the axes coincident with the radius of the holding ring are uniformly distributed on the three-rod support by taking the vertical central line of the sampling tube as an axis.

Furthermore, a plurality of holding grooves are respectively formed in the inner side wall and the outer side wall of the part, located between two adjacent lifting rods, of each holding ring.

Furthermore, vertical connecting rods vertically penetrate through the lifting rod correspondingly, an annular handle is arranged between the upper ends of the vertical connecting rods, a barrel sleeve ring piece sleeved on the sampling barrel is arranged between the lower ends of the vertical connecting rods, and a rubber sleeve elastically nested on the sampling barrel is adhered to the barrel sleeve ring piece.

Furthermore, the side wall of the lower part of the sampling tube is provided with marking scales with scale values which are sequentially increased from zero from bottom to top.

Further, the lower end of the sampling cylinder is provided with a pipe end cutting edge in a cutting edge shape.

Due to the adoption of the technology, compared with the prior art, the utility model has the following specific positive beneficial effects:

1. according to the utility model, the sampling cylinder is made of hard transparent material, and the upper end of the sampling cylinder is provided with the hose which can move downwards for drainage and move upwards for bending and plugging, so that negative pressure is generated by bending and plugging the upper end of the sampling cylinder by the hose, and sludge is prevented from sliding out of the lower end of the sampling cylinder.

2. According to the utility model, the length of the lifting rod which can be adjusted according to the water depth is arranged on the sampling cylinder, and the three bubble levels which are uniformly distributed around the axis of the sampling cylinder are arranged at the upper end of the lifting rod, so that an operator can determine the angle of vertically downwards inserting into the sludge layer according to the bubble levels, namely, the sludge layer in the pond can be vertically and accurately taken out.

3. In order to avoid that the sludge is submerged by water and slides down the sampling cylinder in the upward lifting process of the sampling cylinder due to a large water depth, the utility model particularly designs an elastic sampling cylinder lower port plugging structure to strengthen the protection of the sludge in the sampling cylinder.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the sampling cartridge of the configuration of FIG. 1;

FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view at A of FIG. 3;

fig. 5 is a schematic structural diagram of a third embodiment of the present invention.

In the figure: 1-handle, 2-upper sleeve, 3-middle threaded pipe, 4-middle sleeve, 5-lower threaded pipe, 6-lower connecting rod, 7-hose, 8-liquid taking pipe, 9-sealing plug, 10-sampling barrel, 11-connecting pipe hoop, 12-marked scale, 13-pipe end cutting edge, 14-holding ring, 15-holding groove, 16-three-rod support, 17-bubble level meter, 18-vertical connecting rod, 19-annular handle, 20-barrel collar sheet, 21-adhesion sheet and 22-rubber sleeve.

Detailed Description

The first embodiment is as follows:

as shown in the attached drawings 1-2, the utility model provides a pond culture deposition environment sample collecting device, which mainly comprises a sampling cylinder 10 capable of collecting pond culture deposition environment samples and a lifting rod convenient for workers to hold;

wherein, the sampling tube 10 is made of hard transparent materials such as toughened glass, acrylic and the like, the lower end of the sampling tube is provided with a tube end cutting edge 13, the side wall of the lower part of the sampling tube 10 is provided with a marking scale 12 with scale values which are sequentially increased from zero from bottom to top, thus, the sampling amount can be directly observed after sampling is finished, the upper end of the sampling tube 10 is provided with a connecting tube, the connecting tube is nested with a hose 7 made of soft materials, the hose 7 can conveniently discharge air or redundant water in the sampling tube 10, namely, the hose 7 plays a role of air exhaust when the water in a pond is less, the hose 7 plays a role of water drainage when the water in the pond is more, the hose 7 bends downwards under the self-weight effect to seal and block the upper end of the sampling tube 10 when the sampling tube 10 is lifted upwards, thus, negative pressure is formed to prevent sludge after sampling from sliding out of the sampling tube 10, and a liquid taking tube 8 is arranged on the side wall of the upper part of the sampling tube 10 close to the inverted cone shape, the end part of the liquid taking pipe 8, which is far away from the sampling cylinder 10, is plugged with a sealing plug 9, so that after sampling is finished, the sealing plug 9 can be pulled out, and then water on a sludge layer of the pond is taken out for assay to determine the water body components at the bottom of the pond;

wherein, the lifting rod comprises an upper sleeve 2, a middle screwed pipe 3, a middle sleeve 4, a lower screwed pipe 5 and a lower connecting rod 6, the lower end of the lower connecting rod 6 is buckled by a connecting pipe hoop 11 locked at the middle part of the sampling tube 10, the lower screwed pipe 5 is arranged at the upper end of the lower connecting rod 6 and forms a lower basic connecting rod, the upper end of the lower screwed pipe 5 is correspondingly and threadedly nested with the middle sleeve 4, the upper end of the middle sleeve 4 is provided with the middle screwed pipe 3 and forms a middle combined rod, a plurality of middle combined rods are sequentially and vertically distributed from bottom to top, the middle sleeve 4 of the middle combined rod at the upper part of the two adjacent middle combined rods is correspondingly and threadedly sheathed on the middle screwed pipe 3 of the middle combined rod at the lower part, a middle rod body structure with adjustable length is formed, the length of the middle combined rod at one section is 200mm-300mm, when in use, a plurality of middle combined rods are selected according to the depth of the pond to form the middle rod body structure, the middle threaded pipe 3 at the uppermost end of the middle rod body structure is correspondingly in threaded sleeve connection with the upper sleeve 2, and the upper end of the upper sleeve 2 is provided with a handle 1 structure which is convenient for operators to grasp.

Example two:

as shown in fig. 3-4, on the basis of the first embodiment, in order to improve the stressed supporting structure of the sampling tube 10 and facilitate the sampling tube 10 to be vertically inserted into a sludge layer for sampling, so as to avoid the problem of inaccurate sampling caused by oblique sampling, a plurality of lifting rods are uniformly distributed on the sampling tube 10 by taking the vertical central line of the sampling tube as an axis, a holding ring 14 serving as a handle 1 structure is arranged between the upper ends of the plurality of lifting rods, a three-rod support 16 is arranged in the holding ring 14, and three bubble levels 17 with the axes coincident with the radius of the holding ring 14 are uniformly distributed on the three-rod support 16 by taking the vertical central line of the sampling tube 10 as an axis. In order to grip the grip ring 14, a plurality of grip grooves 15 are respectively formed on the inner and outer side walls of the grip ring 14 between two adjacent lifting rods.

Example three:

as shown in fig. 5, on the basis of the second embodiment, in order to avoid that the sludge at the lower end opening of the sampling tube 10 slides out of the sampling tube 10 due to water staining during the upward pulling process of the sampling tube 10 during the sampling of the sludge in the deeper pond, a structure for blocking the lower end opening of the sampling tube 10 is specially designed, which mainly comprises vertical connecting rods 18 penetrating through the lifting rod up and down, annular handles 19 arranged at the upper ends of the three vertical connecting rods 18, a tube collar sheet 20 sleeved on the sampling tube 10, and a rubber sleeve 22 adhered to the tube collar sheet 20 and elastically sleeved on the sampling tube 10, wherein the upper end of the rubber sleeve 22 is integrally provided with an adhesion sheet 21, that is, the rubber sleeve 22 and the adhesion sheet 21 are integrally formed by rubber, the adhesion sheet 21 is adhered to the lower end face of the tube collar sheet 20 in an adhesion manner, and the rubber sleeve 22 is in a rubber tube structure with an inner diameter of 5mm to 10mm under a normal state, before sampling, the rubber sleeve 22 is elastically stretched and sleeved on the sampling tube 10, so that in the process of lifting the sampling tube upwards after the sampling tube 10 is inserted into silt, the annular handle 19 is quickly pressed downwards to enable the vertical connecting rod 18 to move downwards in the corresponding lifting rod according to the resistance felt by the lifting rod when the sampling tube 10 is felt to have suddenly reduced resistance, the rubber sleeve 22 on the tube collar sheet 20 is driven to move downwards by the vertical connecting rod 18, if the resistance of the vertical connecting rod 18 is felt to have suddenly reduced resistance, the rubber sleeve 22 which is elastically stretched is downwards separated from the lower end of the sampling tube 10, the rubber sleeve 22 contracts towards the center to recover elastic deformation and is tightened into a thin tube structure in the inner circle of the tube collar sheet 20, then the vertical connecting rod 18 is lifted upwards to enable the tube collar sheet 20 to drive the rubber sleeve 22 to be attached to the lower end opening of the sampling tube 10, the plugging action of the lower end opening of the sampling tube 10 is completed, and the sampling effect of plugging the sampling tube 10 is enhanced.

Claims

1. The utility model provides a pond culture deposition environment sample collection system, includes sampler barrel and lifting rod, be equipped with lifting rod on the sampler barrel, its characterized in that: the sampler barrel adopts stereoplasm transparent material to make and the upper end gathers together gradually and is the back taper, the upper end of sampler barrel is equipped with the connecting pipe, the nested hose that has soft materials to make on the connecting pipe, the upper portion of sampler barrel is close to and is equipped with the liquid taking pipe on the lateral wall of the part that is the back taper, the tip that the sampler barrel was kept away from to the liquid taking pipe has been filled in the sealing plug.

2. The pond culture deposition environment sample collection device of claim 1, wherein: the lifting rod comprises an upper sleeve, a middle threaded pipe, a middle sleeve, a lower threaded pipe and a lower connecting rod, the lower end of the lower connecting rod is clamped by a connecting pipe hoop locked in the middle of the sampling tube, the lower threaded pipe is positioned at the upper end of the lower connecting rod and forms a lower base connecting rod, the upper end of the lower threaded pipe is nested with a middle sleeve pipe correspondingly in a threaded manner, the upper end of the middle sleeve pipe is provided with a middle threaded pipe, the middle threaded pipe and the middle threaded pipe form a middle combined rod, the middle combined rods are sequentially and vertically distributed from bottom to top, the middle sleeve pipe of the middle combined rod at the upper part of the two adjacent middle combined rods is correspondingly sheathed on the middle threaded pipe of the middle combined rod at the lower part in a threaded manner, so that a middle rod body structure with adjustable length is formed, an upper sleeve is correspondingly sleeved on the middle threaded pipe at the uppermost end of the middle rod body structure in a threaded manner, and a handle structure is arranged at the upper end of the upper sleeve.

3. The pond culture deposition environment sample collection device of claim 2, wherein: the sampling tube is characterized in that a plurality of lifting rods are uniformly distributed on the sampling tube by taking the vertical central line of the sampling tube as an axis, a holding ring serving as a handle structure is arranged between the upper ends of the lifting rods, a three-rod support is arranged in the holding ring, and three bubble levels with the axes coincident with the radius of the holding ring are uniformly distributed on the three-rod support by taking the vertical central line of the sampling tube as an axis.

4. A pond culture deposition environment sample collection device as claimed in claim 3, wherein: the lifting rod is internally and correspondingly vertically penetrated with vertical connecting rods, an annular handle is arranged between the upper ends of the vertical connecting rods, a barrel sleeve ring piece sleeved on the sampling barrel is arranged between the lower ends of the vertical connecting rods, and a rubber sleeve elastically nested on the sampling barrel is adhered to the barrel sleeve ring piece.

5. The pond culture deposition environment sample collection device of claim 4, wherein: the inner side wall and the outer side wall of the part of the holding ring between two adjacent lifting rods are respectively provided with a plurality of holding grooves.

6. A pond culture deposition environment sample collection device according to any one of claims 1-5, wherein: and marking scales with scale values sequentially increased from zero are arranged on the side wall of the lower part of the sampling tube from bottom to top.

7. The pond culture deposition environment sample collection device of claim 6, wherein: the lower end of the sampling cylinder is provided with a pipe end cutting edge in a cutting edge shape.