CN113432929A - Novel sandy river suspended load stratified sampling ware - Google Patents
Novel sandy river suspended load stratified sampling ware Download PDFInfo
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- CN113432929A CN113432929A CN202110815646.5A CN202110815646A CN113432929A CN 113432929 A CN113432929 A CN 113432929A CN 202110815646 A CN202110815646 A CN 202110815646A CN 113432929 A CN113432929 A CN 113432929A
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- 238000005070 sampling Methods 0.000 title claims abstract description 120
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910000639 Spring steel Inorganic materials 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000007405 data analysis Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a novel sandy river suspended load layered sampler which comprises an outer sleeve, a built-in sampling barrel, an electric rotating device, a rear end cover, a submergence depth measuring device and a turbine flow measuring device, wherein the submergence depth measuring device is used for acquiring water depth data, and the turbine flow measuring device is used for acquiring water flow velocity data; the built-in sampling barrel is arranged in the outer sleeve, and the rear end cover is arranged at the tail part of the outer sleeve; the built-in sampling barrel is arranged in the outer sleeve, and the rear end cover is arranged at the tail part of the outer sleeve; the outer sleeve is bullet-shaped, the head of the outer sleeve is provided with a sampling port, and the built-in sampling barrel comprises a support barrel and a plurality of sampling barrels arranged in the support barrel; the electric rotating device is used for driving the bracket barrel to rotate by a set angle so as to communicate the corresponding sampling barrel with the sampling port. This novel many husky river suspended load stratified sampling ware's purpose is solved current stratified sampling ware and is inaccurate, can't obtain the problem that the velocity of flow leads to sample precision, analysis accuracy low because of the dive degree of depth in real time.
Description
Technical Field
The invention belongs to the technical field, and particularly relates to a novel layered sampler for suspended load of a sandy river.
Background
The field sampling of silt is the fundamental work of silt analysis. At present, the following problems still exist in the field sampling process of silt:
1. the layered sampling instrument can judge the water inlet depth only by means of scale indication marked on a sling of the sampler, but is influenced by water flow impact, so that the sling and a horizontal plane form a certain angle, the water inlet depth of the sampler displayed by the scale of the sling is not the actual water inlet depth of the sampler, measurement errors are caused, and the measurement precision is influenced;
2. in the existing process of researching the movement evolution of water sand, no instrument can synchronously sample and obtain water flow velocity data in real time, and a lot of uncertainty and even guidance errors are brought to the subsequent data analysis work.
In view of the above, it would be highly desirable to provide a new layered sampler for sandy river suspended matter to solve the above problems.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problems that the existing stratified sampling device is low in sampling precision and analysis precision due to inaccurate submergence depth and incapability of acquiring the flow velocity of water flow in real time.
(II) technical scheme
The invention provides a novel sandy river suspended load layered sampler which comprises an outer sleeve, a built-in sampling barrel, an electric rotating device, a rear end cover, a submergence depth measuring device and a turbine flow measuring device, wherein the submergence depth measuring device is used for acquiring water depth data, and the turbine flow measuring device is used for acquiring water flow velocity data;
the built-in sampling barrel is placed in the outer sleeve, and the rear end cover is mounted at the tail part of the outer sleeve; the outer sleeve is bullet-shaped, the head of the outer sleeve is provided with a sampling port, and the built-in sampling barrel comprises a plurality of sampling barrels; the electric rotating device is used for driving the support barrel to rotate by a set angle so as to enable the corresponding sampling barrel to be communicated with the sampling port, and the rest sampling barrels are in a sealing state.
Further, the bracket barrel is connected with the outer sleeve through an output shaft of the electric rotating device.
Further, each of the sampling buckets is distributed in an annular array along the circumference of the rack bucket.
Furthermore, novel sandy river suspended load stratified sampling ware still includes hoist and mount and counter weight device, hoist and mount and counter weight device are located on the outer wall of outer sleeve, the hole for hoist and mount has been seted up on the counter weight device.
Furthermore, novel sandy river suspended load stratified sampling ware still includes balanced wing, the outer wall circumference of outer sleeve is equipped with a plurality ofly balanced wing.
Furthermore, the novel multi-sand river suspended load stratified sampling device further comprises a plurality of groups of spring steel ball limiting devices, and each group of spring steel ball limiting devices are used for limiting the corresponding relative position of the sampling barrel.
Furthermore, a plurality of groups of spring steel ball limiting devices are sequentially arranged in the outer sleeve and the built-in sampling cylinder in a penetrating manner and are arranged at intervals along the circumferential direction of the outer sleeve;
the spring steel ball limiting device comprises a limiting spring and a limiting steel ball, and one end of the limiting spring is in contact with the limiting steel ball; a plurality of first grooves used for installing the limiting springs are formed in the built-in sampling barrel, and a plurality of second grooves used for installing the limiting steel balls are formed in the outer sleeve.
Further, the electric rotating device, the submergence depth measuring device and the turbine flow measuring device are all arranged at the tail part of the outer sleeve.
Furthermore, the electric rotating device is a servo motor, and an output shaft of the electric rotating device is coaxially connected with the built-in sampling barrel.
Further, novel husky river suspended load stratified sampling ware still includes the apron, the apron is fixed to be pasted and is located the up end of support bucket forms sealed chamber rather than it, the through-hole has been seted up on the apron, the through-hole with sample connection intercommunication, and all the other sample buckets of this moment are encapsulated situation.
(III) advantageous effects
According to the novel sandy river suspended load stratified sampling device, the water depth is measured through the submergence depth measuring device, the problem that the submergence depth of the sampling device is inaccurate is thoroughly solved, and the sampling precision and the working efficiency are improved; meanwhile, the flow velocity of different water taking layers is measured in real time through the turbine flow measuring device, so that the synchronism of sampling and the flow velocity of water flow is realized, and the accuracy of subsequent data analysis is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a front view of a novel layered sampler for suspended sediment in a sandy river according to an embodiment of the present invention;
FIG. 2 is a left side view of a novel sandy river suspended matter stratified sampling device provided by an embodiment of the present invention;
FIG. 3 is a top view of a novel layered sampler for suspended sediment in a sandy river according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a built-in sampling barrel in the novel sandy river suspended load stratified sampling device provided by the embodiment of the invention;
FIG. 5 is a cross-sectional view of a novel sandy river suspended load stratified sampler provided by an embodiment of the present invention;
FIG. 6 is a schematic view of an assembly structure of a spring steel ball limiting device in the novel layered sampler for suspended sediment in a sandy river according to an embodiment of the present invention;
fig. 7 is an exploded view of a novel sandy river suspended load stratified sampling device provided by an embodiment of the invention.
In the figure:
1-an outer sleeve; 101-a sampling port; 2-a built-in sampling barrel; 201-a rack bucket; 202-a sampling bucket; 3-an electric rotating device; 4-rear end cap; 5-a submergence depth measuring device; 6-turbine flow measuring device; 7-hoisting and balancing weight device; 701-hoisting holes; 8-a balance wing; 9-spring steel ball limiting device; 901-limit spring; 902-limit steel balls; 903-plug; 10-a cover plate; 1001-through hole.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to the embodiment of the invention, the novel sandy river suspended load stratified sampling device is shown in figures 1-7, and comprises an outer sleeve 1, a built-in sampling barrel 2, an electric rotating device 3, a rear end cover 4, a submergence depth measuring device 5 and a turbine flow measuring device 6, wherein the submergence depth measuring device 5 is used for acquiring water depth data, and the turbine flow measuring device 6 is used for acquiring water flow velocity data;
the built-in sampling barrel 2 is arranged in the outer sleeve 1, and the rear end cover 4 is arranged at the tail part of the outer sleeve 1; the outer sleeve 1 is bullet-shaped, the head part of the outer sleeve is provided with a sampling port 101, and the built-in sampling barrel 2 comprises a support barrel 201 and a plurality of sampling barrels 202 arranged on the upper end surface of the support barrel 201; the electric rotating device 3 is used for driving the bracket barrel 201 to rotate by a set angle so as to communicate the corresponding sampling barrel 202 with the sampling port 101, and the rest sampling barrels 202 are in a sealed state.
In the above embodiment, the outer sleeve 1 is bullet-shaped, and the bullet curve is von Karman curve, which can reduce the fluid resistance of the sampler during sinking.
Taking fig. 4 as an example, the built-in sampling barrel 2 comprises 6 sampling barrels 202, each of which is uniformly arranged along the circumference at an angle of 60 degrees, is numbered from 1 to 6, is connected with the outer sleeve 1 through a central shaft, and the barrel walls of the sampling barrels are tightly connected with each other and form a closed space through the rear end cover 4.
Specifically, the specific arrangement positions of the electric rotating device 3, the submergence depth measuring device 5 and the turbine flow measuring device 6 are not limited as long as the corresponding functional requirements thereof can be satisfied.
The working process of the sampler is as follows:
when a water sample flows through the built-in No. 1 sampling barrel through the outer sleeve sampling port and stands for 4-5 minutes, the built-in sampling barrel 2 is driven to rotate clockwise by 60 degrees through the electric rotating device 3 arranged on the rear end cover 4, and the sampling of the No. 1 water sample is completed.
After the sampling of first floor water sample is accomplished, the surface of water staff is according to the depth of water data that dive degree of depth measuring device 5 returned, with the accurate dive of sampler to second floor sample layer, the sample work of the second floor water sample begins. By analogy, the sampling work of 6 layers of water samples can be completed once.
After sampling, the staff retrieves the sampler to the surface of water through the hoist cable, gets rid of sample connection 101 and remains the water sample, anticlockwise rotates built-in sampling bucket 2, makes it aim at outer sleeve 1's sample connection 101, pours the water sample in sample bucket number 1-5 into the container in this way and is used for data analysis.
Both ends face department all is equipped with the rubber sealing layer around built-in sampling bucket 2, and has between rubber sealing layer and the built-in sampling bucket 2 and set for the clearance, and this clearance is smaller, can prevent on the one hand that the water sample in sampling bucket 201 from revealing, and on the other hand also can ensure from the water sample inflow sampling bucket 201 that thief hatch 101 got into, if totally sealed then the water sample also can not get into in the sampling bucket 201, just so can not accomplish the sample.
In some alternative embodiments, the holder barrel 201 is connected to the outer sleeve 1 through the output shaft of the electric rotating device 3.
In some alternative embodiments, as shown in fig. 4, each sampling bucket 202 is distributed in an annular array along the circumference of the rack bucket 201. Wherein, such mode of setting can satisfy the evenly distributed of every sampling bucket 202 in support bucket 201, and electric rotary device 3 is rotatory the same time under same rotational speed, ensures that corresponding sampling bucket 202 and sample connection 101 communicate to accomplish the sampling operation. This can reduce the complexity of the operation of the electric rotating apparatus 3 itself.
In some optional embodiments, as shown in fig. 1, the novel sandy river suspended load stratified sampling device further includes a hoisting and weighting device 7, the hoisting and weighting device 7 is disposed on the outer wall of the outer sleeve 1, and a hoisting hole 701 is formed in the hoisting and weighting device 7. Wherein, hoist and mount and counter weight device 7 are used for accurately submerging the sampler to corresponding water sample layer, are connected with the hoist and mount rope through hole 701, are favorable to operating personnel to promote or transfer the sampler.
In some alternative embodiments, as shown in fig. 1, the new type sandy river suspended matter stratified sampling device further comprises a balance wing 8, and the outer wall of the outer sleeve 1 is circumferentially provided with a plurality of balance wings 8. Wherein, the afterbody installs balanced wing 8 additional, can improve the stability of whole sampler in aqueous.
In some alternative embodiments, as shown in fig. 6, the novel sandy river suspended load stratified sampling device further comprises a plurality of sets of spring steel ball position-limiting devices 9, and the spring steel ball position-limiting devices 9 are used for limiting the relative positions of the corresponding sampling buckets 202.
In some optional embodiments, as shown in fig. 6, a plurality of groups of spring steel ball limiting devices 9 are sequentially arranged through the outer sleeve 1 and the built-in sampling cylinder 2, and are arranged at intervals along the circumferential direction of the outer sleeve 1;
the spring steel ball limiting device 9 comprises a limiting spring 901 and a limiting steel ball 902, and one end of the limiting spring 901 is in contact with the limiting steel ball 902; a plurality of first grooves for mounting the limiting springs 901 are formed in the built-in sampling barrel 2, and a plurality of second grooves for mounting the limiting steel balls 902 are formed in the outer sleeve 1.
In the above embodiment, specifically, the spring steel ball limiting device 9 may further include a plug 903 for plugging the limiting steel ball 902, after the sampling barrel rotates to 60 °, the spring steel ball limiting device 9 installed between the outer sleeve 1 and the built-in sampling barrel 2 locks the outer sleeve 1 and the built-in sampling barrel 2 at fixed positions, a limiting spring 901 and a limiting steel ball 902 are installed in a hole of the built-in sampling barrel 2, and after the sampling barrel rotates to the position, the limiting steel ball 902 enters a next hemispherical groove (i.e., a second groove) on the inner wall of the outer sleeve 1 to complete accurate positioning, thereby preventing the sampling barrel 202 from sliding, causing deviation between the sampling port 101 and the sampling barrel 202, and causing inaccurate sampling.
In some alternative embodiments, the electric rotating device 3, the submergence depth measuring device 5 and the turbine flow measuring device 6 are all arranged at the tail part of the outer sleeve 1. Wherein, the three devices are arranged at the tail part of the outer sleeve 1, which can avoid the three devices from influencing the sampling of the sampling port 101.
In some optional embodiments, the electric rotating device 3 is a servo motor, and an output shaft thereof is coaxially connected with the built-in sampling barrel 2. The embodiment shows a specific structure of the electric rotating apparatus 3.
In some optional embodiments, as shown in fig. 5, the novel sandy river suspended load stratified sampling device further includes a cover plate 10, the cover plate 10 is fixedly attached to the upper end surface of the support barrel 201 to form a sealed cavity with the support barrel, a through hole 1001 is formed in the cover plate 10, and the through hole 1001 is communicated with the sampling port 101.
Specifically, the arrangement of the cover plate 10 can prevent the leakage of the water sample in the sampling bucket 2 whose sampling has been completed in the whole sampling process.
It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The present invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A novel sandy river suspended load stratified sampling device is characterized by comprising an outer sleeve (1), a built-in sampling barrel (2), an electric rotating device (3), a rear end cover (4), a submergence depth measuring device (5) and a turbine flow measuring device (6), wherein the submergence depth measuring device (5) is used for acquiring water depth data, and the turbine flow measuring device (6) is used for acquiring water flow velocity data;
the built-in sampling barrel (2) is placed in the outer sleeve (1), and the rear end cover (4) is installed at the tail part of the outer sleeve (1); the outer sleeve (1) is bullet-shaped, the head of the outer sleeve is provided with a sampling port (101), and the built-in sampling barrel (2) comprises a support barrel (201) and a plurality of sampling barrels (202) arranged in the support barrel (201);
the electric rotating device (3) is used for driving the support barrel (201) to rotate for a set angle so as to enable the corresponding sampling barrel (202) to be communicated with the sampling port (101), and the rest sampling barrels (202) are in a sealed state.
2. A novel sandy river suspended matter stratified sampling device as claimed in claim 1, wherein said support barrel (201) is connected to said outer sleeve (1) through an output shaft of said electric rotating means (3).
3. A novel sandy river suspended load stratified sampling device as claimed in claim 2, wherein each of said sampling buckets (202) is arranged in an annular array along the circumference of said support bucket (201).
4. The novel sandy river suspended matter stratified sampling device as claimed in claim 1, further comprising a hoisting and weighting device (7), wherein said hoisting and weighting device (7) is disposed on the outer wall of said outer sleeve (1), and said hoisting and weighting device (7) is provided with a hoisting hole (701).
5. A novel sandy river suspended matter stratified sampling device as claimed in claim 1, further comprising a plurality of said balance wings (8), and said outer wall of said outer sleeve (1) is circumferentially provided with a plurality of said balance wings (8).
6. The novel sandy river suspended load stratified sampling device of claim 1, further comprising a plurality of sets of spring steel ball position-limiting devices (9), each set of said spring steel ball position-limiting devices (9) being for defining the relative position of the corresponding sampling bucket (202).
7. The novel sandy river suspended load stratified sampling device as claimed in claim 6, characterized in that a plurality of sets of said spring steel ball position-limiting devices (9) are all sequentially inserted through said outer sleeve (1) and said built-in sampling cylinder (2) and are arranged along the circumference of said outer sleeve (1) at intervals;
the spring steel ball limiting device (9) comprises a limiting spring (901) and a limiting steel ball (902), and one end of the limiting spring (901) is in contact with the limiting steel ball (902); a plurality of first grooves for mounting the limiting springs (901) are formed in the built-in sampling barrel (2), and a plurality of second grooves for mounting the limiting steel balls (902) are formed in the outer sleeve (1).
8. A novel sandy river suspended load stratified sampling device as claimed in claim 1, wherein said electric rotating means (3), said submergence depth measuring means (5) and said turbine flow measuring means (6) are all provided at the rear of said outer sleeve (1).
9. A novel layered sampler for sandy river suspended load according to claim 3, wherein said electric rotating means (3) is a servo motor, the output shaft of which is coaxially connected to said support barrel (201).
10. The novel sandy river suspended load stratified sampling device as claimed in claim 1, further comprising a cover plate (10), said cover plate (10) being fixedly attached to an upper end surface of said support barrel (201) to form a sealed chamber therewith; a through hole (1001) is formed in the cover plate (10), the through hole (1001) is communicated with the sampling port (101), and the aperture of the through hole is smaller than or equal to the aperture of the sampling port (101).
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| CN202110815646.5A CN113432929A (en) | 2021-07-19 | 2021-07-19 | Novel sandy river suspended load stratified sampling ware |
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| CN202110815646.5A CN113432929A (en) | 2021-07-19 | 2021-07-19 | Novel sandy river suspended load stratified sampling ware |
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Inventor after: Liu Xiaomin Inventor after: Liu Tingxi Inventor after: Guo Jun Inventor after: Chen Qiong Inventor after: Yang Yaotian Inventor after: Pei Haifeng Inventor before: Liu Xiaomin Inventor before: Guo Jun Inventor before: Liu Tingxi Inventor before: Chen Qiong Inventor before: Yang Yaotian Inventor before: Pei Haifeng |
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