CN110257230B - A collection device suitable for algae - Google Patents
A collection device suitable for algae Download PDFInfo
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- CN110257230B CN110257230B CN201910563881.0A CN201910563881A CN110257230B CN 110257230 B CN110257230 B CN 110257230B CN 201910563881 A CN201910563881 A CN 201910563881A CN 110257230 B CN110257230 B CN 110257230B
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- 241000195493 Cryptophyta Species 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 claims description 21
- 238000005070 sampling Methods 0.000 abstract description 20
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 230000003670 easy-to-clean Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000007790 scraping Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 241001251054 Formica truncorum Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 244000038651 primary producers Species 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
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- Sampling And Sample Adjustment (AREA)
Abstract
本发明涉及一种适用于着生藻类的采集装置，包括从上而下依次设置的采集机构、网兜、样品收集器，所述采集机构设有上开口与下开口，所述网兜呈倒钟形设置、且其设有上开口与下开口，所述采集机构的上开口设有呈弧形凸出的采集端，所述采集机构的下开口与所述网兜的上开口可拆卸地密闭连接，所述网兜的下开口与所述样品收集器的上部密闭连接；所述采集机构上还设有旋转机构与伸缩杆，所述伸缩杆通过旋转机构与所述采集机构铰接。本采集装置结构简单，操作方便，清洗样品简便，可拆卸折叠，便于携带，能满足野外对着生藻类进行采样的需求，是一款适合用于野外水生生物监测的采样工具。
The present invention relates to a collection device suitable for attached algae, comprising a collection mechanism, a net bag, and a sample collector which are arranged in sequence from top to bottom, wherein the collection mechanism is provided with an upper opening and a lower opening, the net bag is arranged in an inverted bell shape and is provided with an upper opening and a lower opening, the upper opening of the collection mechanism is provided with an arc-shaped protruding collection end, the lower opening of the collection mechanism is detachably and tightly connected to the upper opening of the net bag, and the lower opening of the net bag is tightly connected to the upper part of the sample collector; the collection mechanism is also provided with a rotating mechanism and a telescopic rod, and the telescopic rod is hinged to the collection mechanism through the rotating mechanism. The collection device has a simple structure, is easy to operate, and is easy to clean samples. It can be detached and folded, and is easy to carry. It can meet the needs of sampling attached algae in the wild, and is a sampling tool suitable for monitoring aquatic organisms in the wild.
Description
Technical Field
The invention relates to the technical field of ecological environment monitoring, in particular to a collecting device suitable for a living alga.
Background
The aquatic algae is an important primary producer of a water area ecological system, is also an important part of a food chain, can transfer inorganic nutrient elements to higher organic living bodies, is responsible for important tasks of material circulation and energy flow, is mainly attached to matrixes such as stones, aquatic plants, sediments, sand grains, aquatic animals and the like, has strong sensitivity to external interference, can reflect water quality conditions of the water area to a certain extent, and is one of important indexes for evaluating whether the water area ecological environment is good.
At present, the collection of the living algae mainly comprises brushing the algae living on the matrixes such as stones, wood or plants into a sample bottle by using a toothbrush and other tools, and then adding formaldehyde solution for fixation. The method is simple and direct, but has some defects, because the matrixes are not easy to find in the actual field monitoring process, and abundant algae grow on steep embankments, pontoons in water, ships or navigation marks, the method can be used for collecting the algae, workers in the places cannot collect the algae by the method, even the workers in the places take the algae with the force of nine cattle and two tigers on the ground, the collected samples are limited, the safety is extremely poor, and the workers have the danger of planting in the water carelessly. It is therefore important to develop a portable harvesting device suitable for growing algae under such environmental conditions.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention provides a collecting device suitable for the attached algae, and aims to solve the technical problems existing in the attached algae sampling.
The technical scheme for solving the technical problems is as follows:
The utility model provides a collection system suitable for being on the body algae, includes collection system, string bag, the sample collector that from top to bottom set gradually, collection system is equipped with upper shed and lower shed, the string bag is the bell setting of falling, and it is equipped with upper shed and lower shed, collection system's upper shed is equipped with and is arc convex collection end, collection system's lower shed with the upper shed detachably airtight connection of string bag, the lower shed of string bag with the upper portion airtight connection of sample collector still is equipped with rotary mechanism and telescopic link on the collection system, the telescopic link pass through rotary mechanism with collection system articulates.
When the outdoor algae is required to be collected, the collecting device is assembled, an operator holds the telescopic rod in a hand, the collecting end of the upper opening of the collecting mechanism aims at the sampling substrate to scrape the algae, in the process of scraping the algae samples, the rotating mechanism can rotate according to the requirements of the operator to adjust the angle, the collected algae falls into the net bag below the collecting mechanism, the algae samples in the net bag can be dragged and washed along with water by the aid of the telescopic rod, the washed algae samples fall into the sample collector, and then the connection between the net bag and the sample collector is disassembled, so that the collected algae samples can be taken out. When the collecting device is not needed, the collecting device can be disassembled and stored, and the components such as the net bag are easy to consume, and can be conveniently disassembled and replaced when the net bag is damaged. The collecting device has the advantages of simple structure, convenient operation, simple and convenient sample cleaning, detachable folding and convenient carrying, can meet the requirement of sampling the living algae in the field, and is a sampling tool suitable for monitoring the aquatic organisms in the field.
Preferably, the collecting mechanism comprises a front plate, a left side plate, a rear plate and a right side plate, wherein the front plate, the left side plate, the rear plate and the right side plate are fixedly connected through clamping grooves to form a channel, the upper end of the front plate is provided with an arc-shaped protruding collecting end, the outer side surface of the rear plate is provided with a rotating mechanism, and the rotating mechanism is fixedly connected with the telescopic rod. When the device is not needed, all the components of the acquisition mechanism can be disassembled, so that the space is saved and the device is convenient to carry.
Preferably, the upper end outer wall of collection mechanism is equipped with the recess that encircles collection mechanism, the recess is located in the coplanar, just be equipped with the retainer plate in the recess. Because the front plate, the left side plate, the rear plate and the right side plate of the collecting mechanism are connected through the clamping grooves, when an operator holds the telescopic rod to collect a sample, when the component of the force acting on the rear plate along the direction of the clamping grooves is larger than the friction force between the rear plate and the left side plate or the rear side plate, the rear plate is likely to slide along the clamping grooves, so that the collecting mechanism is scattered. The positioning ring in the groove is used for positioning the front plate, the left side plate, the rear plate and the right side plate on the acquisition mechanism, which is equivalent to applying double insurance for the firmness of the acquisition mechanism and avoiding the displacement of each component part on the acquisition mechanism.
Preferably, the lower part of collection mechanism is equipped with the flat seal groove, the flat seal groove encircles collection mechanism's outer wall, the flat seal groove is the outside "C" shape structure of opening, be equipped with the strip of paper used for sealing in the flat seal groove, the strip of paper used for sealing will the upper opening of string bag with the flat seal groove compresses tightly. The shape of the seal is complementary with the shape of the opening of the flat seal groove, and the seal and the opening are matched with each other, so that an effective attaching effect can be achieved. The upper opening edge part of the net bag is embedded between the seal and the flat sealing groove, and the seal and the flat sealing groove are mutually attached to reliably compress and fix the upper opening edge part of the net bag. When the device is not needed, the seal can be pulled out, so that the net bag is detached from the collecting mechanism, and the storage and the carrying are convenient.
Preferably, the upper opening of the net bag is provided with a flexible sleeve, the flexible sleeve is matched with the flat sealing groove, the flexible sleeve is provided with a sealing strip inserting hole, and the sealing strip penetrates through the sealing strip inserting hole of the flexible sleeve and is matched with the flat sealing groove. The upper opening of the net bag is set into a flexible sleeve type, the seal passes through the seal insertion hole, the flexible sleeve is sleeved on the seal, and the seal is embedded into a flat seal groove on the collecting mechanism to tightly press the flexible sleeve on the collecting mechanism, so that reliable connection between the net bag and the collecting mechanism is achieved. The design of the flexible sleeve enables the string bag not to be loosened from the collecting mechanism even if the seal is matched with a certain section in the flat seal groove, so that the connection between the string bag and the collecting mechanism is more reliable.
Preferably, the rotating mechanism comprises a pair of fixing seats and a T-shaped rotating shaft, the fixing seats are arranged on the collecting mechanism, the pair of fixing seats are respectively arranged at the end parts of the two ends coaxially arranged on the T-shaped rotating shaft, the fixing seats are in interference fit with the T-shaped rotating shaft, and the end part of the third end on the T-shaped rotating shaft is fixedly connected with the telescopic rod. In the process of collecting samples, the rotating mechanism can provide an angle adjusting function, the telescopic rod moves circularly around the axes of the two ends coaxially arranged on the T-shaped rotating shaft, and the maximum angle adjustment can reach 180 degrees, so that operators can collect samples at different positions more conveniently.
Preferably, the telescopic link includes connector, at least one single-section pole, the handle that connects gradually, connector one end with rotary mechanism fixed connection, the connector other end with single-section pole fixed connection. When the algae samples are collected in the field, the distance between the collection point and the operator is often different in length, and the length of the telescopic rod can be adjusted by increasing or reducing the number of single-section rods at the moment, so that the sample collection is successfully realized.
Preferably, the sample collector is gradually reduced from top to bottom, the upper part of the sample collector is tightly pressed with the lower opening of the net bag through the annular clamp, the lower part of the sample collector is provided with an opening, and the opening is provided with a rotary plunger. When the sample collection is completed, the sample in the sample collector needs to be taken out, the rotary plunger on the sample collector is unscrewed, and the sample in the sample collector is put into the sample bottle, so that the sample collection is completed. The process is convenient to operate and clean, and the sample collector is arranged to enable the cleaned algae samples to be more concentrated, so that the samples can be conveniently concentrated and taken out. When sample collection is not needed, the annular clamp can be opened, the sample collector is detached, and the sample collector is convenient to store and carry.
The collecting device has the advantages that when outdoor algae which are adhered to the living body need to be collected, an operator holds the telescopic rod in a hand, the collecting end of the upper opening of the collecting mechanism aims at the sampling matrix to scrape the algae which are adhered to the living body, in the process of scraping the algae samples, the rotating mechanism can rotate according to the requirements of the operator to adjust the angle, the collected algae fall into the net bag below the collecting mechanism, the algae samples in the net bag can be dragged and washed along with water by the aid of the telescopic rod in the hand, the washed algae samples fall into the sample collector, and then the rotating plunger at the lower part of the sample collector is opened, so that the collected algae samples can be taken out. When the collecting device is not needed, the collecting device can be disassembled and stored, and the components such as the net bag are easy to consume, and can be disassembled and replaced conveniently when the net bag is damaged. The collecting device has the advantages of simple structure, convenient operation, simple and convenient sample cleaning, detachable folding and convenient carrying, can meet the requirement of sampling the living algae in the field, and is a sampling tool suitable for monitoring the aquatic organisms in the field.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the components of the present invention;
FIG. 3 is a partial schematic view of part A of the present invention;
FIG. 4 is a side view of the components of the collection mechanism of the present invention;
FIG. 5 is a schematic view of a telescopic rod according to the present invention;
Fig. 6 is a schematic diagram of the overall structure of a second embodiment of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. The device comprises a collection mechanism, 101, a rear plate, 1011, a fixed seat, 1012, a T-shaped rotating shaft, 102, a left side plate, 1021, a clamping groove, 103, a right side plate, 104, a front plate, 1041, a collection end, 105, a positioning ring, 106, a flat sealing groove, 107, a groove, 2, a string bag, 201, a flexible sleeve, 202, a sealing strip jack, 3, a telescopic rod, 301, a connector, 302, a single-section rod, 303, a handle, 4, a sample collector, 401, an annular clamp, 402, a rotating plunger, 5 and a sealing strip.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Embodiment one:
As shown in fig. 1-2, a collection device suitable for living algae comprises a collection mechanism 1, a net bag 2 and a sample collector 4 which are sequentially arranged from top to bottom, wherein the collection mechanism 1 is provided with an upper opening and a lower opening, the net bag 2 is in an inverted bell-shaped arrangement and is provided with the upper opening and the lower opening, and the net bag 2 is made of spun silk yarn so as to facilitate dragging and cleaning in water after collecting samples. The mesh number of the net bag 2 can be changed according to the size of the sample. The upper opening of collection mechanism 1 is equipped with and is arc convex collection end 1041, and collection end 1041's thickness reduces from bottom to top in proper order, and this setting makes collection end 1041's border comparatively sharp, is favorable to scraping the algae sample. The lower opening of the collecting mechanism 1 is detachably and hermetically connected with the upper opening of the net bag 2, the lower opening of the net bag 2 is hermetically connected with the upper part of the sample collector 4, the collecting mechanism 1 is also provided with a rotating mechanism and a telescopic rod 3, and the telescopic rod 3 is hinged with the collecting mechanism 1 through the rotating mechanism.
When the outdoor algae is required to be collected, the collection device is assembled, an operator holds the telescopic rod 3, the collection end 1041 of the upper opening of the collection mechanism 1 is aligned with the sampling matrix to scrape the algae, in the process of scraping the algae samples, the rotation mechanism can rotate according to the requirements of the operator to adjust the angle, the collected algae fall into the net bag 2 below the collection mechanism 1, the algae samples in the net bag 2 can be dragged and washed along with water by the handheld telescopic rod 3, the washed algae samples are concentrated in the sample collector 4, and then the connection between the net bag 2 and the sample collector 4 is disassembled, so that the collected algae samples can be taken out. When the collecting device is not needed, the collecting device can be disassembled and stored, the net bag 2 and other parts are easy to consume, and when the net bag is damaged, the net bag can be conveniently disassembled and replaced. The collecting device has the advantages of simple structure, convenient operation, simple and convenient sample cleaning, detachable folding and convenient carrying, can meet the requirement of sampling the living algae in the field, and is a sampling tool suitable for monitoring the aquatic organisms in the field.
In this embodiment, the collecting mechanism 1 includes a front plate 104, a left side plate 102, a rear plate 101, and a right side plate 103, where the front plate 104, the left side plate 102, the rear plate 101, and the right side plate 103 are fixedly connected by a clamping slot 1021 to form a channel, the upper end of the front plate 104 is provided with a collecting end 1041 protruding in an arc shape, and the outer side surface of the rear plate 101 is provided with a rotating mechanism, and the rotating mechanism is fixedly connected with the telescopic rod 3. When the device is not needed, the components of the acquisition mechanism 1 can be detached, so that the space is saved and the device is convenient to carry.
More specifically, as shown in fig. 3, which is a partially enlarged view of the card slot type connection, fig. 4 is a side view of each component of the collection mechanism, and the left side plate 102 and the right side plate 103 are symmetrically disposed. The front plate 104 and the rear plate 101 are fixedly connected with each other by inserting the edges of the front plate 104 and the rear plate 101 into corresponding clamping grooves 1021 from top to bottom, namely, the front plate 104, the left plate 102, the rear plate 101 and the right plate 103 are fixedly connected, so that the acquisition mechanism 1 is formed. The clamping groove type connecting structure is simple and flexible, can be assembled when in use, can be flexibly disassembled when not in use, and is convenient to store and carry. The friction force at the clamping groove type connecting part needs to be controlled, so that the clamping groove type connecting part cannot easily and automatically slip.
In this embodiment, a groove 107 surrounding the collection mechanism 1 is provided on the outer wall of the upper end of the collection mechanism 1, the groove 107 is provided in the same plane, and a positioning ring 105 is provided in the groove 107. The positioning ring 105 can be locked by using a rubber ring (such as a rubber ring) with elasticity and high strength or using a nylon ribbon. Because the front plate 104, the left side plate 102, the rear plate 101 and the right side plate 103 of the collection mechanism 1 are connected by the clamping groove 1021, when an operator holds the telescopic rod 3 to collect a sample, when the component of the force acting on the rear plate 101 along the clamping groove 1021 is greater than the friction force between the rear plate 101 and the left side plate 102 or the rear side plate 103, the rear plate may slide along the clamping groove 1021, so that the collection mechanism 1 is scattered. The positioning ring 105 in the groove 107 is used for positioning the front plate 104, the left side plate 102, the rear plate 101 and the right side plate 103 on the acquisition mechanism 1, which is equivalent to applying double insurance to the firmness of the acquisition mechanism 1 and avoiding the displacement of each component part on the acquisition mechanism 1.
In this embodiment, the lower part of collection mechanism 1 is equipped with flat seal groove 106, flat seal groove 106 encircles the outer wall of collection mechanism 1, flat seal groove 106 is the outside "C" shape structure of opening, be equipped with strip of paper used for sealing 5 in the flat seal groove 106, strip of paper used for sealing 5 will the upper opening of string bag 2 with flat seal groove 106 compresses tightly. The shape of the seal 5 is complementary with the shape of the opening of the flat seal groove 106, and the seal 5 and the flat seal groove are matched with each other, so that an effective fitting effect can be achieved. The upper opening edge part of the net bag 2 is embedded between the seal 5 and the flat sealing groove 106, and the seal 5 and the flat sealing groove 106 are mutually attached to reliably compress and fix the upper opening edge part of the net bag 2. When the device is not needed, the seal 5 can be pulled out, so that the net bag 2 is detached from the collecting mechanism 1, and the storage and the carrying are convenient. Meanwhile, when the net bag 2 needs to be replaced due to different sizes of samples to be sampled or damage of the net bag 2, the net bag 2 can be flexibly replaced by disassembling the seal 5.
In this embodiment, the upper opening of the string bag 2 is provided with a flexible sleeve 201, the flexible sleeve 201 is matched with the flat seal groove 106, and the flexible sleeve 201 is basically made of a high-strength and wear-resistant material, and may be made of nylon cloth and sewn into the upper opening of the string bag 2, or may be fixedly connected with the upper opening of the string bag 2 by using other high-strength flexible sleeves. The flexible sleeve 201 is provided with seal jacks 202, the number of the seal jacks 202 can be the same as that of the seals, and the two seals 5 can share one seal jack 202. The seal 5 passes through the seal insertion hole 202 of the flexible sleeve 201 and is matched with the flat seal groove 106. The upper opening of the net bag 2 is arranged into a flexible sleeve 201 mode, the seal 5 passes through the seal insertion hole 202, the flexible sleeve 201 is sleeved on the seal 5, the seal 5 is embedded into the flat seal groove 106 on the collecting mechanism 1 to tightly press the flexible sleeve 201 on the collecting mechanism 1, and therefore reliable connection between the net bag 2 and the collecting mechanism 1 is achieved. The design of the flexible sleeve 201 ensures that even if the seal 5 is loose with a certain section in the flat seal groove 106, the net bag 2 is not loosened from the collecting mechanism 1, so that the connection between the net bag 2 and the collecting mechanism 1 is more reliable.
In this embodiment, the rotating mechanism includes a pair of fixing bases 1011 mounted on the collecting mechanism 1 and a "T" shaped rotating shaft 1012, and the "T" shaped rotating shaft 1012 is transversely disposed on the rear plate 101. The fixing bases 1011 are respectively disposed at two ends of the T-shaped rotation shaft 1012, which are coaxially disposed, and the fixing bases 1011 are in interference fit with the T-shaped rotation shaft 1012, and the end of the third end of the T-shaped rotation shaft 1012 is fixedly connected with the telescopic rod 3 through threads or screws, in this embodiment, threaded connection is adopted. In the process of collecting samples, the rotating mechanism can provide an angle adjusting function, the telescopic rod 3 moves circularly around the axes of the two ends coaxially arranged on the T-shaped rotating shaft 1012, and the maximum angle adjustment can reach 180 degrees vertically, so that operators can collect samples at different positions more conveniently.
In this embodiment, as shown in fig. 5, the telescopic rod 3 includes a connector 301, at least one single-section rod 302, and a handle 303, which are sequentially connected, one end of the connector 301 is fixedly connected with the rotating mechanism, and the other end of the connector 301 is fixedly connected with the single-section rod 302. Considering the labor intensity in the sampling process and the weight of the device, the telescopic rod 3 is preferably made of aluminum profiles, has light weight, corrosion resistance and high strength, can meet the use requirement of the device, and the outer wall of the handle 303 can be covered by soft rubber materials. When an alga sample is collected in the field, the distance between the collection point and an operator is often different in length, and the length of the telescopic rod 3 can be adjusted by increasing or decreasing the number of the single-section rods 302 at the moment, so that the sample collection is successfully realized.
In this embodiment, the sample collector 4 tapers from top to bottom, the upper portion of the sample collector 4 is tightly pressed with the lower opening of the string bag 2 by the annular clip 401, an opening is provided at the lower portion of the sample collector 4, and a rotary plunger 402 is provided on the opening. When the sample collection is completed, the sample in the sample collector 4 needs to be taken out, the rotary plunger 402 on the sample collector 4 is unscrewed, and the sample in the sample collector 4 is put into a sample bottle, so that the sample collection is completed. The process is convenient to operate and clean, and the sample collector 4 is arranged to enable the cleaned algae samples to be more concentrated, so that the samples can be conveniently concentrated and taken out. When sample collection is not required, the annular clamp 401 can be opened to detach the sample collector 4, so that the sample collector is convenient to store and carry.
Embodiment two:
As shown in fig. 5, a collecting device suitable for the algae of living, include collection mechanism 1, string bag 2, the sample collector 4 that from top to bottom set gradually, collection mechanism 1 is equipped with upper shed and lower shed, string bag 2 is the bell setting of falling, and its upper shed and lower shed that is equipped with, string bag 2 adopts spun silk yarn material to drag the washing in aqueous after being convenient for gather the sample. The mesh number of the net bag 2 can be changed according to the size of the sample. The upper opening of collection mechanism 1 is equipped with and is arc convex collection end 1041, and collection end 1041's thickness reduces from bottom to top in proper order, and this setting makes collection end 1041's border comparatively sharp, is favorable to scraping the algae sample. The lower opening of the collecting mechanism 1 is detachably and hermetically connected with the upper opening of the net bag 2, the lower opening of the net bag 2 is hermetically connected with the upper part of the sample collector 4, the collecting mechanism 1 is also provided with a rotating mechanism and a telescopic rod 3, and the telescopic rod 3 is hinged with the collecting mechanism 1 through the rotating mechanism.
When the outdoor algae is required to be collected, the collection device is assembled, an operator holds the telescopic rod 3, the collection end 1041 of the upper opening of the collection mechanism 1 is aligned with the sampling matrix to scrape the algae, in the process of scraping the algae samples, the rotation mechanism can rotate according to the requirements of the operator to adjust the angle, the collected algae fall into the net bag 2 below the collection mechanism 1, the algae samples in the net bag 2 can be dragged and washed along with water by the handheld telescopic rod 3, the washed algae samples are concentrated in the sample collector 4, and then the connection between the net bag 2 and the sample collector 4 is disassembled, so that the collected algae samples can be taken out. When the collecting device is not needed, the collecting device can be disassembled and stored, the net bag 2 and other parts are easy to consume, and when the net bag is damaged, the net bag can be conveniently disassembled and replaced. The collecting device has the advantages of simple structure, convenient operation, simple and convenient sample cleaning, detachable folding and convenient carrying, can meet the requirement of sampling the living algae in the field, and is a sampling tool suitable for monitoring the aquatic organisms in the field.
In this embodiment, the collecting mechanism 1 includes a front plate 104, a left side plate 102, a rear plate 101, and a right side plate 103, where the front plate 104, the left side plate 102, the rear plate 101, and the right side plate 103 are fixedly connected by a clamping slot 1021 to form a channel, the upper end of the front plate 104 is provided with a collecting end 1041 protruding in an arc shape, and the outer side surface of the rear plate 101 is provided with a rotating mechanism, and the rotating mechanism is fixedly connected with the telescopic rod 3. When the device is not needed, the components of the acquisition mechanism 1 can be detached, so that the space is saved and the device is convenient to carry.
More specifically, as shown in fig. 3, which is a partially enlarged view of the card slot type connection, fig. 4 is a side view of each component of the collection mechanism, and the left side plate 102 and the right side plate 103 are symmetrically disposed. The front plate 104 and the rear plate 101 are fixedly connected with each other by inserting the edges of the front plate 104 and the rear plate 101 into corresponding clamping grooves 1021 from top to bottom, namely, the front plate 104, the left plate 102, the rear plate 101 and the right plate 103 are fixedly connected, so that the acquisition mechanism 1 is formed. The clamping groove type connecting structure is simple and flexible, can be assembled when in use, can be flexibly disassembled when not in use, and is convenient to store and carry. The friction force at the clamping groove type connecting part needs to be controlled, so that the clamping groove type connecting part cannot easily and automatically slip.
In this embodiment, a groove 107 surrounding the collection mechanism 1 is provided on the outer wall of the upper end of the collection mechanism 1, the groove 107 is provided in the same plane, and a positioning ring 105 is provided in the groove 107. The positioning ring 105 can be locked by using a rubber ring (such as a rubber ring) with elasticity and high strength or using a nylon ribbon. Because the front plate 104, the left side plate 102, the rear plate 101 and the right side plate 103 of the collection mechanism 1 are connected by the clamping groove 1021, when an operator holds the telescopic rod 3 to collect a sample, when the component of the force acting on the rear plate 101 along the clamping groove 1021 is greater than the friction force between the rear plate 101 and the left side plate 102 or the rear side plate 103, the rear plate may slide along the clamping groove 1021, so that the collection mechanism 1 is scattered. The positioning ring 105 in the groove 107 is used for positioning the front plate 104, the left side plate 102, the rear plate 101 and the right side plate 103 on the acquisition mechanism 1, which is equivalent to applying double insurance to the firmness of the acquisition mechanism 1 and avoiding the displacement of each component part on the acquisition mechanism 1.
In this embodiment, the lower part of collection mechanism 1 is equipped with flat seal groove 106, flat seal groove 106 encircles the outer wall of collection mechanism 1, flat seal groove 106 is the outside "C" shape structure of opening, be equipped with strip of paper used for sealing 5 in the flat seal groove 106, strip of paper used for sealing 5 will the upper opening of string bag 2 with flat seal groove 106 compresses tightly. The shape of the seal 5 is complementary with the shape of the opening of the flat seal groove 106, and the seal 5 and the flat seal groove are matched with each other, so that an effective fitting effect can be achieved. The upper opening edge part of the net bag 2 is embedded between the seal 5 and the flat sealing groove 106, and the seal 5 and the flat sealing groove 106 are mutually attached to reliably compress and fix the upper opening edge part of the net bag 2. When the device is not needed, the seal 5 can be pulled out, so that the net bag 2 is detached from the collecting mechanism 1, and the storage and the carrying are convenient. Meanwhile, when the net bag 2 needs to be replaced due to different sizes of samples to be sampled or damage of the net bag 2, the net bag 2 can be flexibly replaced by disassembling the seal 5.
In this embodiment, the upper opening of the string bag 2 is provided with a flexible sleeve 201, the flexible sleeve 201 is matched with the flat seal groove 106, and the flexible sleeve 201 is basically made of a high-strength and wear-resistant material, and may be made of nylon cloth and sewn into the upper opening of the string bag 2, or may be fixedly connected with the upper opening of the string bag 2 by using other high-strength flexible sleeves. The flexible sleeve 201 is provided with seal jacks 202, the number of the seal jacks 202 can be the same as that of the seals, and the two seals 5 can share one seal jack 202. The seal 5 passes through the seal insertion hole 202 of the flexible sleeve 201 and is matched with the flat seal groove 106. The upper opening of the net bag 2 is arranged into a flexible sleeve 201 mode, the seal 5 passes through the seal insertion hole 202, the flexible sleeve 201 is sleeved on the seal 5, the seal 5 is embedded into the flat seal groove 106 on the collecting mechanism 1 to tightly press the flexible sleeve 201 on the collecting mechanism 1, and therefore reliable connection between the net bag 2 and the collecting mechanism 1 is achieved. The design of the flexible sleeve 201 ensures that even if the seal 5 is loose with a certain section in the flat seal groove 106, the net bag 2 is not loosened from the collecting mechanism 1, so that the connection between the net bag 2 and the collecting mechanism 1 is more reliable.
In this embodiment, the rotating mechanism includes a pair of fixing bases 1011 and a "T" shaped rotating shaft 1012 mounted on the collecting mechanism 1, and the "T" shaped rotating shaft 1012 is vertically disposed on the rear plate 101. The fixing bases 1011 are respectively disposed at two ends of the T-shaped rotation shaft 1012, which are coaxially disposed, and the fixing bases 1011 are in interference fit with the T-shaped rotation shaft 1012, and the end of the third end of the T-shaped rotation shaft 1012 is fixedly connected with the telescopic rod 3 through threads or screws, in this embodiment, threaded connection is adopted. In the process of collecting samples, the rotating mechanism can provide an angle adjusting function, the telescopic rod 3 moves circularly around the axes of the two ends coaxially arranged on the T-shaped rotating shaft 1012, and the maximum angle adjustment can reach 180 degrees transversely, so that operators can collect samples at different positions more conveniently.
In this embodiment, as shown in fig. 5, the telescopic rod 3 includes a connector 301, at least one single-section rod 302, and a handle 303, which are sequentially connected, one end of the connector 301 is fixedly connected with the rotating mechanism, and the other end of the connector 301 is fixedly connected with the single-section rod 302. Considering the labor intensity in the sampling process and the weight of the device, the telescopic rod 3 is preferably made of aluminum profiles, has light weight, corrosion resistance and high strength, can meet the use requirement of the device, and the outer wall of the handle 303 can be covered by soft rubber materials. When an alga sample is collected in the field, the distance between the collection point and an operator is often different in length, and the length of the telescopic rod 3 can be adjusted by increasing or decreasing the number of the single-section rods 302 at the moment, so that the sample collection is successfully realized.
In this embodiment, the sample collector 4 tapers from top to bottom, the upper portion of the sample collector 4 is tightly pressed with the lower opening of the string bag 2 by the annular clip 401, an opening is provided at the lower portion of the sample collector 4, and a rotary plunger 402 is provided on the opening. When the sample collection is completed, the sample in the sample collector 4 needs to be taken out, the rotary plunger 402 on the sample collector 4 is unscrewed, and the sample in the sample collector 4 is put into a sample bottle, so that the sample collection is completed. The process is convenient to operate and clean, and the sample collector 4 is arranged to enable the cleaned algae samples to be more concentrated, so that the samples can be conveniently concentrated and taken out. When sample collection is not required, the annular clamp 401 can be opened to detach the sample collector 4, so that the sample collector is convenient to store and carry.
When the outdoor algae is required to be collected, the collection device is assembled, an operator holds the telescopic rod 3, the collection end 1041 of the upper opening of the collection mechanism 1 is aligned with the sampling matrix to scrape the algae, the rotation mechanism can rotate according to the requirement of the operator in the process of scraping the algae sample, so that the angle is adjusted, the collected algae sample falls into the net bag 2 below the collection mechanism 1, the algae sample in the net bag 2 can be dragged and washed along with water by the handheld telescopic rod 3, the washed algae sample falls into the sample collector 4 and is concentrated, and then the rotation plunger 402 is opened, so that the collected algae sample can be taken out. When the collecting device is not needed, the collecting device can be disassembled and stored, the net bag 2 and other parts are easy to consume, and when the net bag is damaged, the net bag can be disassembled and replaced conveniently. The collecting device has the advantages of simple structure, convenient operation, simple and convenient sample cleaning, detachable folding and convenient carrying, can meet the requirement of sampling the living algae in the field, and is a sampling tool suitable for monitoring the aquatic organisms in the field.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (4)
1. The collecting device suitable for the living algae is characterized by comprising a collecting mechanism (1), a net bag (2) and a sample collector (4) which are sequentially arranged from top to bottom, wherein the collecting mechanism (1) is provided with an upper opening and a lower opening, the net bag (2) is arranged in an inverted bell shape and is provided with the upper opening and the lower opening, the upper opening of the collecting mechanism (1) is provided with a collecting end (1041) protruding in an arc shape, the lower opening of the collecting mechanism (1) is detachably and hermetically connected with the upper opening of the net bag (2), the lower opening of the net bag (2) is hermetically connected with the upper part of the sample collector (4), the collecting mechanism (1) is also provided with a rotating mechanism and a telescopic rod (3), and the telescopic rod (3) is hinged with the collecting mechanism (1) through the rotating mechanism;
The collecting mechanism (1) comprises a front plate (104), a left side plate (102), a rear plate (101) and a right side plate (103), wherein the front plate (104), the left side plate (102), the rear plate (101) and the right side plate (103) are fixedly connected through clamping grooves (1021) to form a channel, the upper end of the front plate (104) is provided with a collecting end (1041) protruding in an arc shape, the outer side surface of the rear plate (101) is provided with a rotating mechanism, and the rotating mechanism is fixedly connected with the telescopic rod (3);
The outer wall of the upper end of the collecting mechanism (1) is provided with a groove (107) surrounding the collecting mechanism (1), the groove (107) is arranged in the same plane, and a positioning ring (105) is arranged in the groove (107);
The lower part of the collecting mechanism (1) is provided with a flat sealing groove (106), ping Fengcao (106) surrounds the outer wall of the collecting mechanism (1), the Ping Fengcao (106) is of a C-shaped structure with an outward opening, a seal (5) is arranged in the Ping Fengcao (106), and the seal (5) tightly presses the upper opening of the net bag (2) with the Ping Fengcao (106);
the upper opening of string bag (2) is equipped with flexible sleeve (201), flexible sleeve (201) with Ping Fengcao (106) cooperation, be equipped with on flexible sleeve (201) seal jack (202), seal (5) pass seal jack (202) of flexible sleeve (201) and with Ping Fengcao (106) cooperation.
2. The collecting device suitable for the living algae according to claim 1, wherein the rotating mechanism comprises a pair of fixing bases (1011) and a 'T' -shaped rotating shaft (1012) which are arranged on the collecting mechanism (1), the pair of fixing bases (1011) are respectively arranged at the end parts of the two ends coaxially arranged on the 'T' -shaped rotating shaft (1012), the fixing bases (1011) are in interference fit with the 'T' -shaped rotating shaft (1012), and the end part of a third end on the 'T' -shaped rotating shaft (1012) is fixedly connected with the telescopic rod (3).
3. The collecting device suitable for the living algae according to claim 2, wherein the telescopic rod (3) comprises a connector (301), at least one single-section rod (302) and a handle (303) which are sequentially connected, one end of the connector (301) is fixedly connected with the rotating mechanism, and the other end of the connector (301) is fixedly connected with the single-section rod (302).
4. The collecting device for the living algae according to claim 1, wherein the sample collector (4) is tapered from top to bottom, the upper part of the sample collector (4) is tightly pressed with the lower opening of the net bag (2) through an annular clamp (401), an opening is arranged at the lower part of the sample collector (4), and a rotary plunger (402) is arranged on the opening.
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| CA2612952A1 (en) * | 2007-11-30 | 2009-05-30 | Waikatolink Limited | Sampling device |
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| CN106872248A (en) * | 2017-03-23 | 2017-06-20 | 中国水产科学研究院淡水渔业研究中心 | A kind of zoobenthos processing unit |
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| CN203719930U (en) * | 2014-02-13 | 2014-07-16 | 中国水产科学研究院东海水产研究所 | Portable multifunctional device for collecting aquatic organisms under floating mat |
| CN104865098A (en) * | 2015-05-21 | 2015-08-26 | 大连海洋大学 | Macroalgae attaching organism sampling device and sampling method |
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