CN115014863B - Be suitable for oil class pollutant monitoring water sampling device - Google Patents
Be suitable for oil class pollutant monitoring water sampling device Download PDFInfo
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- CN115014863B CN115014863B CN202210728583.4A CN202210728583A CN115014863B CN 115014863 B CN115014863 B CN 115014863B CN 202210728583 A CN202210728583 A CN 202210728583A CN 115014863 B CN115014863 B CN 115014863B
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention belongs to the technical field of water quality monitoring and sampling, and particularly relates to a water quality sampling device suitable for petroleum pollutant monitoring. The upper port and the lower port of the sampling thin-necked glass bottle are respectively internally and hermetically embedded with a small turning plate piston and a large turning plate piston, two ends of the small turning plate piston and the large turning plate piston are respectively connected with a small transmission disc and a large transmission disc on the outer side through connecting shafts, and the connecting shafts are in sealing connection with the side wall of the sampling thin-necked glass bottle through sealing shaft sleeves; the middle of the rear end of the horseshoe-shaped plumb is clamped with an immersed servo motor, the middle and the outer side of a driving connecting rod connected with the immersed servo motor are respectively connected with a small driving disc and a large driving disc, and the driving discs are connected with a transmission disc through a belt. The columnar sampling is realized by utilizing the water pressure difference of the upper port and the lower port of the sampling bottle, so that the sampling is more representative, and the sampling capacity can be accurately controlled by utilizing the turnover piston structure, so that the requirement of various detection such as adding a preservative in the later period is met.
Description
Technical Field
The invention belongs to the technical field of water quality monitoring and sampling, and particularly relates to a water quality sampling device suitable for petroleum pollutant monitoring.
Background
The environmental protection industry standard of the people's republic of China, HJ/T91-2002, technical Specification for monitoring surface Water and Sewage, specifies: oil sampling: before sampling, the possible oil film is destroyed, a glass container is installed in a bracket of the water sampler by using a vertical water sampler, the glass container is placed to a depth of 300mm, water is collected while the glass container is lifted upwards, and a proper space remains when the glass container reaches the water surface. And (3) measuring the water sample of the oil, wherein a columnar water sample is collected from the water surface to 300mm, and is independently sampled and used for measurement.
As shown in fig. 1, the conventional sampling device is composed of a fixed hurdle a, a glass sampling bottle B, a piston C, a floating platform D and an operation zipper E, which has the following disadvantages: 1. sampling is uneven and is not representative; 2. the glass sampling bottle has inaccurate sampling capacity and no reserved space; 3. in the water inlet process, conflict between water inlet and exhaust occurs, and the water around the sampling port is disturbed to influence later monitoring data.
Disclosure of Invention
To solve the defects and the shortages of the prior art; the invention aims to provide a water sampling device which has a simple structure, reasonable design and convenient use and is suitable for petroleum pollutant monitoring, and the water sampling device utilizes the water pressure difference of the upper port and the lower port of a sampling bottle to realize columnar sampling of petroleum pollutant water, so that the sampling is more representative, and the sampling capacity can be accurately controlled by utilizing a turnover piston structure so as to meet the requirement of later detection.
In order to achieve the above purpose, the invention adopts the following technical scheme: the device comprises a sampling thin-neck glass bottle, a large turning plate piston, a connecting shaft, a sealing shaft sleeve, a large transmission disc, a small turning plate piston, a small transmission disc, a horseshoe-shaped plumb, a driving connecting rod, a large driving disc, a small driving disc, a short elastic belt, a long elastic belt and a submerged servo motor; the upper end and the lower end of the sampling thin-necked glass bottle are respectively provided with a small turning plate piston and a large turning plate piston in a sealing manner, the two ends of the small turning plate piston and the large turning plate piston are respectively connected with a small transmission disc and a large transmission disc on the outer side through connecting shafts, and the connecting shafts are in sealing connection with the side wall of the sampling thin-necked glass bottle through sealing shaft sleeves; the middle of sampling thin neck glass bottle cup joint be fixed with the horseshoe-shaped plumb, the joint has the submergence servo motor in the middle of the rear end of horseshoe-shaped plumb, submergence servo motor's both ends are connected with coaxial drive's drive connecting rod, drive connecting rod's centre and outside be connected with little driving disk, big driving disk respectively, connect through short elastic belt between little driving disk and the little driving disk, connect through long elastic belt between big driving disk and the big driving disk.
Preferably, the lower surface of the horseshoe-shaped plumb is connected with a floating wood, the rear end of the upper surface of the horseshoe-shaped plumb is provided with a connecting rod caulking groove, the inner side of the connecting rod caulking groove is provided with a driving disc limiting caulking groove, and the top end of the inner side of the horseshoe-shaped plumb is provided with a limiting clamping groove.
Preferably, a pair of 'Bu' -shaped limiting neck bottle parts are arranged on the inner sides of the two support arms of the horseshoe-shaped plumb, and the 'Bu' -shaped limiting neck bottle parts limit and fix the sampling thin neck glass bottle, so that the sampling thin neck glass bottle and the horseshoe-shaped plumb are kept in a vertical state.
Preferably, a circle of sand-grinding edge is arranged on the outer sides of the large turning plate piston and the small turning plate piston, and the sand-grinding edge is attached to the inner walls of the upper port and the lower port of the sampling thin-necked glass bottle, so that the sealing structure of the large turning plate piston, the small turning plate piston and the ports is realized.
Preferably, the middle parts of the large transmission disc, the small transmission disc, the large driving disc and the small driving disc are provided with concave tooth grooves, and the tooth grooves are meshed with the short elastic belt and the long elastic belt to realize transmission.
Preferably, the floating wood balances the weight of the horseshoe-shaped plumb and stabilizes the gesture of the horseshoe-shaped plumb, so that the lower port of the sampling thin-necked glass bottle is suspended between 300mm and 350mm under water.
Preferably, the immersed servo motor is fixed inside the limiting clamping groove, and the immersed servo motor is connected with the external manipulator through a connecting wire.
After the structure is adopted, the invention has the beneficial effects that: the columnar sampling of petroleum polluted water is realized by utilizing the water pressure difference of the upper port and the lower port of the sampling bottle, static sampling is free from disturbance, so that the sampling is more representative, and the sampling capacity can be accurately controlled by utilizing the turnover piston structure, so that the requirement of adding a preservative and other various detection requirements in the later period is met.
Drawings
For a clearer description of embodiments of the present invention or technical solutions in the prior art, the present invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a drawing of the background of the invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
fig. 3 is a schematic view of the connection state of the horseshoe shaped plumb bob 8 of the present invention;
fig. 4 is a schematic view of the horseshoe shaped plumb 8 of the present invention;
FIG. 5 is a schematic view of the distribution of the sanding wrap 15 of the present invention;
FIG. 6 is a schematic diagram of a drive disk of the present invention;
FIG. 7 is a schematic diagram of a sampling state according to the present invention;
reference numerals illustrate: the sampling thin-necked glass bottle comprises a sampling thin-necked glass bottle body 1, a large turning plate piston 2, a connecting shaft 3, a sealing shaft sleeve 4, a large transmission disc 5, a small turning plate piston 6, a small transmission disc 7, a horseshoe-shaped plumb bob 8, a driving connecting rod 9, a large driving disc 10, a small driving disc 11, a short elastic belt 12, a long elastic belt 13, a submerged servo motor 14, a sand-grinding edge 15, a connecting rod caulking groove 81, a driving disc limiting caulking groove 82, a limiting clamping groove 83, a floating wood 84 and a similar-shaped limiting neck bottle piece 85.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
It should be noted here that, in order to avoid obscuring the present invention due to unnecessary details, only structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, while other details not greatly related to the present invention are omitted.
Referring to fig. 2-7, the following technical solutions are adopted in this embodiment: the device comprises a sampling thin-necked glass bottle 1, a large turning plate piston 2, a connecting shaft 3, a sealing shaft sleeve 4, a large transmission disc 5, a small turning plate piston 6, a small transmission disc 7, a horseshoe-shaped plumb 8, a driving connecting rod 9, a large driving disc 10, a small driving disc 11, a short elastic belt 12, a long elastic belt 13 and an immersed servo motor 14;
the upper end and the lower end of the sampling thin-necked glass bottle 1 are opened, a small turning plate piston 6 and a large turning plate piston 2 are respectively embedded in the upper port and the lower port of the sampling thin-necked glass bottle 1 in a sealing manner, two ends of the small turning plate piston 6 and the large turning plate piston 2 are respectively connected with a small transmission disc 7 and a large transmission disc 5 on the outer side through a connecting shaft 3, and the connecting shaft 3 is in sealing connection with the side wall of the sampling thin-necked glass bottle 1 through a sealing shaft sleeve 4;
the middle of the sampling thin-necked glass bottle 1 is sleeved and fixed with a horseshoe-shaped plumb 8, the middle of the rear end of the horseshoe-shaped plumb 8 is clamped with an immersed servo motor 14, two ends of the immersed servo motor 14 are connected with a coaxially-driven driving connecting rod 9, the middle and the outer sides of the driving connecting rod 9 are respectively connected with a small driving disc 11 and a large driving disc 10, the small driving discs 11 and the small driving discs 7 are connected through short elastic belts 12, and the large driving discs 10 and the large driving discs 5 are connected through long elastic belts 13.
The lower surface of the horseshoe-shaped plumb 8 is connected with a floating wood 84, the rear end of the upper surface of the horseshoe-shaped plumb 8 is provided with a connecting rod caulking groove 81, the inner side of the connecting rod caulking groove 81 is provided with a driving disc limiting caulking groove 82, and the top end of the inner side of the horseshoe-shaped plumb 8 is provided with a limiting clamping groove 83; the floating wood 84 balances the weight of the horseshoe-shaped plumb 8 and stabilizes the gesture of the horseshoe-shaped plumb 8, so that the lower port of the sampling thin-necked glass bottle 1 is suspended between 300mm and 350mm underwater, the volume of the floating wood 84 can be freely adjusted according to the requirement, the upper port of the sampling thin-necked glass bottle 1 is exposed on the sampling water surface or kept flush with the sampling water surface, and the height of the exposed sampling thin-necked glass bottle 1 on the sampling water surface directly influences the sampling capacity.
In addition, a pair of 'Bu' -shaped limiting neck bottle pieces 85 are arranged on the inner sides of the two support arms of the horseshoe-shaped plumb 8, and the 'Bu' -shaped limiting neck bottle pieces 85 limit and fix the sampling thin neck glass bottle 1, so that the sampling thin neck glass bottle 1 and the horseshoe-shaped plumb 8 are kept in a vertical state. . And the inverted-buckling bifurcation of the quasi-shaped limiting neck bottle piece 85 can prop against the sampling thin neck glass bottle 1, so that shaking is avoided. And the outer side of the horseshoe-shaped plumb 8 is connected with a duplicating handle, so that the sampling bottle can be conveniently lifted and stabilized.
Further, the outer sides of the large turning plate piston 2 and the small turning plate piston 6 are provided with a circle of sand-grinding edge 15, and the sand-grinding edge 15 is attached to the inner walls of the upper port and the lower port of the sampling thin-necked glass bottle 1, so that the sealing structure of the large turning plate piston 2, the small turning plate piston 6 and the ports is realized. The sand-grinding covered edge 15 is made of rubber, so that the sand-grinding covered edge 15 has good tightness and elasticity, and the smoothness of rotary closing is improved; the large transmission disc 5, the small transmission disc 7, the large driving disc 10 and the small driving disc 11 are provided with concave tooth grooves in the middle, the tooth grooves are meshed with the short elastic belt 12 and the long elastic belt 13 to realize transmission, the immersed servo motor 14 is fixed inside the limiting clamping groove 83, and the immersed servo motor 14 is connected with an external operator through a connecting wire.
The working principle of the specific embodiment is as follows: firstly, placing a sampling thin-necked glass bottle 1 into a water body polluted by petroleum, wherein a horseshoe-shaped plumb 8 drives the sampling thin-necked glass bottle 1 to wholly sink, and the bottle opening of the sampling thin-necked glass bottle 1 is kept flush with the horizontal under the reverse buoyancy direction of a floating wood 84, and in the process, the operation can be assisted by a handle connected with the outside of the horseshoe-shaped plumb 8; then operating the immersed servo motor 14 to rotate at a fixed angle, driving the large driving disc 10 and the small driving disc 11 to synchronously rotate under the cooperation of the coaxially connected driving connecting rod 9, and then cooperating with the large driving disc 5 and the small driving disc 7 through the short elastic belt 12 and the long elastic belt 13, so as to realize the opening and closing of the large turning plate piston 2 and the small turning plate piston 6; when the upper port and the lower port of the narrow-necked glass bottle 1 are opened, polluted water enters from the bottom of the narrow-necked glass bottle 1, air in the bottle is discharged from the upper port until the water level of the narrow-necked glass bottle 1 is kept flush with the water level; in addition, the capacity of the sampled water can be adjusted by the height of the upper port of the narrow-necked glass bottle 1 exposed out of the water surface, so as to meet various detection requirements.
According to the invention, columnar sampling of petroleum polluted water is realized by utilizing the water pressure difference of the upper port and the lower port of the sampling bottle, static sampling is free from disturbance, so that sampling is more representative, and the sampling capacity can be accurately controlled by utilizing the turnover piston structure, so that various detection requirements of late-stage addition of a preservative and the like are met.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. Be suitable for oil class pollutant monitoring water sampling device, its characterized in that: the device comprises a sampling thin-neck glass bottle (1), a large turning plate piston (2), a connecting shaft (3), a sealing shaft sleeve (4), a large transmission disc (5), a small turning plate piston (6), a small transmission disc (7), a horseshoe-shaped plumb bob (8), a driving connecting rod (9), a large driving disc (10), a small driving disc (11), a short elastic belt (12), a long elastic belt (13) and a submerged servo motor (14); the sampling thin-necked glass bottle (1) is provided with openings at the upper end and the lower end, a small turning plate piston (6) and a large turning plate piston (2) are respectively embedded in the upper end opening and the lower end opening of the sampling thin-necked glass bottle (1) in a sealing way, the two ends of the small turning plate piston (6) and the large turning plate piston (2) are respectively connected with a small transmission disc (7) and a large transmission disc (5) at the outer side through a connecting shaft (3), and the connecting shaft (3) is in sealing connection with the side wall of the sampling thin-necked glass bottle (1) through a sealing shaft sleeve (4); the middle of the sampling thin-necked glass bottle (1) is sleeved and fixed with a horseshoe-shaped plumb bob (8), the middle of the rear end of the horseshoe-shaped plumb bob (8) is clamped with an immersed servo motor (14), two ends of the immersed servo motor (14) are connected with a driving connecting rod (9) which is coaxially driven, the middle and the outer sides of the driving connecting rod (9) are respectively connected with a small driving disc (11) and a large driving disc (10), the small driving disc (11) is connected with the small driving disc (7) through a short elastic belt (12), and the large driving disc (10) is connected with the large driving disc (5) through a long elastic belt (13);
the lower surface of the horseshoe-shaped plumb bob (8) is connected with a floating wood (84), the rear end of the upper surface of the horseshoe-shaped plumb bob (8) is provided with a connecting rod caulking groove (81), the inner side of the connecting rod caulking groove (81) is provided with a driving disc limiting caulking groove (82), and the top end of the inner side of the horseshoe-shaped plumb bob (8) is provided with a limiting clamping groove (83);
the two support arms of the horseshoe-shaped plumb (8) are internally provided with a pair of similar-shaped limiting neck bottle pieces (85), and the similar-shaped limiting neck bottle pieces (85) limit and fix the sampling thin-necked glass bottle (1) so that the sampling thin-necked glass bottle (1) and the horseshoe-shaped plumb (8) are kept in a vertical state.
2. The water quality sampling device for petroleum pollutant monitoring according to claim 1, wherein: the outer sides of the large turning plate piston (2) and the small turning plate piston (6) are provided with a circle of sand-grinding edge (15), and the sand-grinding edge (15) is attached to the inner walls of the upper port and the lower port of the sampling thin-necked glass bottle (1), so that the sealing structure of the large turning plate piston (2), the small turning plate piston (6) and the ports is realized.
3. The water quality sampling device for petroleum pollutant monitoring according to claim 1, wherein: the large transmission disc (5), the small transmission disc (7), the large driving disc (10) and the small driving disc (11) are provided with concave tooth grooves in the middle, and the tooth grooves are meshed with the short elastic belt (12) and the long elastic belt (13) to realize transmission.
4. The water quality sampling device for petroleum pollutant monitoring according to claim 1, wherein: the floating wood (84) balances the weight of the horseshoe-shaped plumb bob (8) and stabilizes the gesture of the horseshoe-shaped plumb bob (8) so that the lower port of the sampling thin-necked glass bottle (1) is suspended between 300mm and 350mm under water.
5. The water quality sampling device for petroleum pollutant monitoring according to claim 1, wherein: the immersed servo motor (14) is fixed inside the limiting clamping groove (83), and the immersed servo motor (14) is connected with an external manipulator through a connecting wire.
6. The water quality sampling device for petroleum pollutant monitoring according to claim 1, wherein: the operation principle is as follows:
firstly, placing a sampling thin-necked glass bottle (1) into a water body polluted by petroleum, wherein a horseshoe-shaped plumb (8) drives the sampling thin-necked glass bottle (1) to wholly sink, and keeping the bottle mouth of the sampling thin-necked glass bottle (1) flush with the horizontal under the action of the buoyancy opposite direction of a floating wood (84), and in the process, assisting in operation through a handle connected with the outside of the horseshoe-shaped plumb (8); then operating the immersed servo motor (14) to rotate at a fixed angle, driving the large driving disc (10) and the small driving disc (11) to synchronously rotate under the cooperation of the coaxially connected driving connecting rod (9), and then cooperating with the large driving disc (5) and the small driving disc (7) through the short elastic belt (12) and the long elastic belt (13), so as to realize the opening and closing of the large turning plate piston (2) and the small turning plate piston (6); when the upper port and the lower port of the sampling thin-necked glass bottle (1) are opened, polluted water enters from the bottom of the sampling thin-necked glass bottle (1), air in the bottle is discharged from the upper port until the water level of the sampling thin-necked glass bottle (1) is kept flush with the water level; in addition, the capacity of the sampled water can be adjusted by sampling the height of the upper port of the narrow-necked glass bottle (1) exposed out of the water surface.
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| CN202210728583.4A CN115014863B (en) | 2022-06-24 | 2022-06-24 | Be suitable for oil class pollutant monitoring water sampling device |
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| CN202210728583.4A CN115014863B (en) | 2022-06-24 | 2022-06-24 | Be suitable for oil class pollutant monitoring water sampling device |
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| CN115014863B true CN115014863B (en) | 2023-05-09 |
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| CN115014863A (en) | 2022-09-06 |
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