CN110346179B - Marine liquid depthkeeping sampling device - Google Patents
Marine liquid depthkeeping sampling device Download PDFInfo
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- CN110346179B CN110346179B CN201910466819.XA CN201910466819A CN110346179B CN 110346179 B CN110346179 B CN 110346179B CN 201910466819 A CN201910466819 A CN 201910466819A CN 110346179 B CN110346179 B CN 110346179B
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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Abstract
The invention discloses a marine liquid depth-setting sampling device, which is used for sampling in a liquid tank in a ship, and comprises: the pump structure is provided with a first cavity, a piston which makes linear reciprocating motion is movably arranged in the first cavity, one end of a connecting rod is fixedly connected to the piston, and the other end of the connecting rod penetrates through the pump structure and protrudes out of the pump structure; the input structure is provided with a second cavity, the input structure is connected with one end of a hose, and the hose is communicated with the second cavity; a first check valve; and a second one-way valve. The invention has the advantages of better adapting to the actual needs of different ship types for sampling liquid in the liquid tank, and being widely applicable to various large and medium container ships, LNG ships, LPG ships, chemical ships, roll-on ships, floating oil storage ships, finished oil ships, crude oil ships, bulk cargo ships, passenger ships, special working ships, warships and auxiliary ships.
Description
Technical Field
The invention belongs to the field of ships, and particularly relates to a marine liquid depth-setting sampling device.
Background
A large part of cabins on the ship are liquid tanks, and the condition of detecting the components of liquid in the liquid tanks is often met in the process of building and shipping. The liquid chambers of the ship are closed, and the small hatch covers of the chambers need to be opened when liquid needs to be taken out of the chambers. The hatch cover is generally fixed by a plurality of screws and nuts, and keeps watertight to prevent liquid from flowing out, so that the hatch cover needs to be backed down, the workload is higher, secondly, when the liquid tank is full, the small hatch cover is generally arranged at the position close to the tail or the side close to the side of the liquid tank, and the ship is generally provided with a tail inclination and a deck beam arch.
Disclosure of Invention
The marine liquid depth-setting sampling device can better adapt to the actual needs of different ship types for sampling liquid in a liquid tank, can avoid the problems in the background art by using the marine liquid depth-setting sampling device, and has the advantages that the sampling of the marine liquid depth-setting sampling device is completed by one sampling pipe, the thinner sampling pipe can directly enter the liquid tank through a ventilating pipe or a depth measuring pipe of the liquid tank and other pipes, scales are marked on the sampling pipe, the liquid below the liquid level at a certain depth can be directly extracted, the sampling process is simplified, the sampling precision is increased, the workload of sampling personnel and ship workers is greatly reduced, and the marine liquid depth-setting sampling device is an auxiliary device worthy of being equipped on a ship and widely suitable for various large and medium containers, LNG ships, LPG ships, chemical ships, ro-ro ships, floating tanker ships, finished tankers, crude tankers, bulk carriers, passenger ships, special work ships, warships, and military auxiliary ships.
In order to achieve the purpose, the invention adopts the following technical scheme:
a marine liquid depth-setting sampling device for sampling in a tank in a marine vessel, the sampling device comprising: the pump structure is provided with a first cavity, a piston which does linear reciprocating motion is movably arranged in the first cavity, one end of a connecting rod is fixedly connected to the piston, and the other end of the connecting rod penetrates through the pump structure and protrudes out of the pump structure; the sampling device comprises an input structure, a sampling device and a sampling device, wherein a second cavity is arranged in the input structure, the input structure is connected with one end of a hose, the hose is communicated with the second cavity, and the other end of the hose extends into liquid to be sampled; the output structure is provided with a third cavity and an output port communicated with the third cavity; one end of the first one-way valve is arranged in the first cavity, and the other end of the first one-way valve is arranged in the second cavity, so that liquid or gas in the second cavity can move towards the first cavity in a single direction; and
and one end of the second one-way valve is arranged in the first cavity, and the other end of the second one-way valve is arranged in the third cavity, so that liquid or gas in the first cavity can move in the third cavity in a one-way manner.
Preferably, the number of the first check valves is two, and the first check valves are respectively arranged at the starting point and the end point of the linear reciprocating motion.
Preferably, the number of the second check valves is two, and the two second check valves are respectively arranged at the starting point and the end point of the linear reciprocating motion.
Preferably, the pump structure is cylindrical, the input structure and the output structure are folded into a cylinder, and the pump structure, the input structure and the output structure jointly form a cylinder.
Preferably, a handle is connected to an end of the connecting rod protruding outside the pump structure.
Preferably, the input structure is provided with an input port, one end of the hose is provided with a connector, and the input port is in threaded connection with the connector.
Preferably, the one end that the hose was used for stretching into the internal sample of boats and ships cabin is provided with the sampling head, the sampling head is the metal material, be provided with a plurality of through-holes on the sampling head, the through-hole with the inside intercommunication of hose, be provided with the scale on the hose outer wall, scale numerical value mark from the hose length of sampling head to this scale numerical value correspondence department hose.
Preferably, the sampling device further comprises a base, and the base is fixedly connected with the pump structure, the input structure and the output structure.
Preferably, the piston is in tight contact with the side wall of the first cavity through interference fit, and the pump structure is in tight contact with the connecting rod through interference fit.
Compared with the prior art, the invention has the following beneficial effects:
1. the tool has a simple structure, can better adapt to the actual needs of different ship types for sampling liquid in the liquid tank, has the outstanding advantages of simple installation, convenient use and easy maintenance, can obviously ensure the smooth sampling of the liquid, is beneficial to simplifying the operation procedure of operators, improves the working efficiency, reduces the labor load and enhances the safety factor;
2. when the ship carries out liquid sampling, the ship liquid depth-fixing sampling device can be used for obtaining a liquid sample with a certain liquid level depth through the length scale of the sampling pipe, so that the required sample is obtained for detection, and the sampling precision is improved;
3. the device is free of power limitation, only needs one-man operation, is simple and convenient to operate, and can increase sampling pressure difference by pushing and pulling the connecting rod due to the fact that the one-way valves are arranged at two ends of the linear motion, so that the working conversion rate is higher, and the sampling speed is higher;
4. the device has strong universality, is suitable for any ship type, has a simple structure, does not have special maintenance requirements, only needs to be cleaned after sampling is finished, and has small volume, convenient carrying and simple use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an embodiment of the present invention that does not include a hose.
FIG. 2 is a front view of a hose according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view taken at a-a in fig. 1.
FIG. 4 is a front view of a use state of the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art based on the embodiments of the present invention without inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 4, the present embodiment provides a marine liquid depth-keeping sampling device for sampling in a liquid tank of a ship, the sampling device comprising: the pump structure 2 is provided with a first cavity in the pump structure 2, a piston 9 which does linear reciprocating motion is movably arranged in the first cavity, one end of a connecting rod 8 is fixedly connected to the piston 9, and the other end of the connecting rod 8 penetrates through the pump structure 2 and protrudes out of the pump structure 2; the sampling device comprises an input structure 101, wherein a second cavity is arranged in the input structure 101, the input structure 101 is connected with one end of a hose 11, the hose 11 is communicated with the second cavity, and the other end of the hose 11 extends into liquid to be sampled; the output structure 102, a third cavity is arranged in the output structure 102, and an output port 5 communicated with the third cavity is arranged on the output structure 102; one end of the first one-way valve 401 is arranged in the first cavity, and the other end of the first one-way valve 401 is arranged in the second cavity, so that liquid or gas in the second cavity can move in the first cavity in a single direction; and
one end of the second one-way valve 402 is disposed in the first cavity, and the other end of the second one-way valve 402 is disposed in the third cavity, so that the liquid or gas in the first cavity can move in one direction into the third cavity.
The number of the first check valves 401 is two and they are respectively provided at the start point and the end point of the linear reciprocating motion.
The number of the second check valves 402 is two, and they are respectively disposed at the start point and the end point of the linear reciprocating motion.
The pump structure 2 is cylindrical, the input structure 101 and the output structure 102 are folded into a cylinder, and the pump structure 2, the input structure 101 and the output structure 102 form a cylinder together.
The end of the connecting rod 8 projecting outside the pump structure 2 is connected to a handle 7.
The input structure 101 is provided with an input port 3, one end of the hose 11 is provided with a connector 10, and the input port 3 is in threaded connection with the connector 10.
The one end that hose 11 was used for stretching into the internal sample of boats and ships cabin is provided with sampling head 12, and sampling head 12 is the metal material, is provided with a plurality of through-holes on the sampling head 12, through-hole and 11 inside intercommunications of hose, is provided with the scale on the 11 outer walls of hose, and scale numerical value marks from sampling head 12 to the 11 lengths of hose 11 of this scale numerical value correspondence department hose 11. The hose is marked with length scales from the sampling head, and the length of the hose is not more than 9 meters in principle. The diameter of the hose depends on the minimum diameter of a sampling point piping system of a ship, the diameter is generally not more than 45 millimeters, and the hose material mainly selects foldable and portable waterproof cloth, so that the hose is convenient to carry, store and preserve. The sampling head is a hollow metal head with a certain weight, and the surface of the sampling head is provided with small holes, so that the sampling tube can smoothly reach a sampling point, liquid can be effectively extracted, and the blockage of equipment caused by the entry of large solid impurities into the device can be avoided.
The sampling device further comprises a base 6, and the pump structure 2, the input structure 101 and the output structure 102 are fixedly connected to the base 6.
The piston 9 and the side wall of the first cavity are in tight contact in an interference fit manner, and the pump structure 2 and the connecting rod 8 are in tight contact in an interference fit manner.
In the process of ship construction and shipping, when the device is used for a ship to sample liquid, the using process of the marine liquid depth-fixing sampling device comprises the following steps:
the first step is as follows: according to the requirement that a liquid sample needs to be extracted from a ship, the marine liquid depth-fixing sampling device is placed near a depth measuring pipe or an air pipe of a sampling liquid tank;
the second step is that: taking the marine liquid depth-setting sampling device out of the storage box, and connecting the reciprocating pump part and the hose sampling part;
the third step: opening a cover of a sounding pipe of the sampling liquid cabin or a pipe head of an air pipe to facilitate the placement of a sampling pipe;
the fourth step: placing a sampling head and a hose of a hose sampling part into a sounding pipe or an air pipe of a sampling liquid cabin, and deeply penetrating the sampling head to a depth position of liquid to be sampled according to scales on the hose and fixing;
the fifth step: a sampling liquid collecting barrel is arranged at the liquid outlet;
and a sixth step: treading a base of the marine liquid depth-setting sampling device by two feet, holding a handle by two hands, pushing and pulling a piston by force, extracting liquid in a sampling cabin, and collecting the liquid in a sampling liquid collecting barrel;
the seventh step: in order to ensure the purity of the sampling liquid, the sampling liquid of the front part can be abandoned, and only the sampling liquid of the rear part is selected;
the eighth step: after the sampling liquid is collected sufficiently, the sampling head and the hose are taken out from the sampling liquid cabin; then repeating the steps from the previous step to the next sampling liquid cabin;
the ninth step: after sampling is finished, opening the connector, discharging residual liquid in the marine liquid depth-setting sampling device, and cleaning the marine liquid depth-setting sampling device;
the tenth step: the marine liquid depth-fixing sampling device after cleaning and arrangement is properly placed in the containing box, and proper storage and maintenance are performed.
The marine liquid depth-setting sampling device is mainly used for the marine liquid depth-setting sampling device which can meet the requirement of ship detection for extracting liquid samples to detect when liquid sampling is needed in the ship building and shipping processes. The invention has the advantages of simple structure, convenient use, simple operation, convenient carrying, easy maintenance and easy management. The invention is used for sampling liquid in the ship liquid tank, is beneficial to effectively controlling the accuracy of a sampling position by an operator, improves the working efficiency, reduces the labor load, enhances the safety factor, and ensures higher precision, more convenient use, safety and reliability when the ship liquid tank is used for sampling.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (6)
1. A marine liquid depth-setting sampling device for sampling in a tank of a vessel, the sampling device comprising:
the pump structure (2), a first cavity is arranged in the pump structure (2), a piston (9) which can do linear reciprocating motion is movably arranged in the first cavity, one end of a connecting rod (8) is fixedly connected to the piston (9), and the other end of the connecting rod (8) penetrates through the pump structure (2) and protrudes out of the pump structure (2);
the sampling device comprises an input structure (101), wherein a second cavity is arranged in the input structure (101), the input structure (101) is connected with one end of a hose (11), the hose (11) is communicated with the second cavity, and the other end of the hose (11) extends into liquid to be sampled;
the output structure (102), a third cavity is arranged in the output structure (102), and an output port (5) communicated with the third cavity is arranged on the output structure (102);
the pump structure (2) is cylindrical, the input structure (101) and the output structure (102) are folded into a cylinder, and the pump structure (2), the input structure (101) and the output structure (102) jointly form a cylinder;
one end of the first one-way valve (401) is arranged in the first cavity, the other end of the first one-way valve (401) is arranged in the second cavity, so that liquid or gas in the second cavity can move towards the first cavity in a single direction, and the number of the first one-way valves (401) is two and the two first one-way valves are respectively arranged at the starting point and the end point of the linear reciprocating motion; and
one end of the second one-way valve (402) is arranged in the first cavity, the other end of the second one-way valve (402) is arranged in the third cavity, so that liquid or gas in the first cavity can move towards the third cavity in a single direction, and the number of the second one-way valves (402) is two and the two second one-way valves are respectively arranged at the starting point and the end point of the linear reciprocating motion.
2. Marine liquid depth sampling device according to claim 1, wherein a handle (7) is connected to the end of the connecting rod (8) protruding outside the pump structure (2).
3. The marine liquid depth-setting sampling device of claim 1, wherein an input port (3) is arranged on the input structure (101), a connector (10) is arranged at one end of the hose (11), and the input port (3) is in threaded connection with the connector (10).
4. The marine liquid depth-setting sampling device according to claim 1, wherein a sampling head (12) is arranged at one end of the hose (11) for extending into a cabin of a ship to sample, the sampling head (12) is made of metal, a plurality of through holes are formed in the sampling head (12), the through holes are communicated with the inside of the hose (11), scales are arranged on the outer wall of the hose (11), and scale values are marked from the sampling head (12) to the length of the hose (11) at the position corresponding to the scale values.
5. The marine liquid depthkeeping sampling device of claim 1, characterized in that, the sampling device still includes base (6), fixed connection the pump structure (2), input structure (101), output structure (102) on the base (6).
6. Marine liquid depth sampling device according to claim 1, wherein the piston (9) is in tight contact with the first cavity side wall by interference fit, and the pump structure (2) is in tight contact with the connecting rod (8) by interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466819.XA CN110346179B (en) | 2019-05-31 | 2019-05-31 | Marine liquid depthkeeping sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466819.XA CN110346179B (en) | 2019-05-31 | 2019-05-31 | Marine liquid depthkeeping sampling device |
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| CN110346179A CN110346179A (en) | 2019-10-18 |
| CN110346179B true CN110346179B (en) | 2022-09-09 |
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| CN201910466819.XA Active CN110346179B (en) | 2019-05-31 | 2019-05-31 | Marine liquid depthkeeping sampling device |
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| CN114179992B (en) * | 2021-11-18 | 2023-11-17 | 上海江南长兴造船有限责任公司 | Novel dual-fuel ship LNG fuel tank pump tower base material inspection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100371212C (en) * | 2005-05-30 | 2008-02-27 | 厦门大学 | Ship water ballast and sediment collector |
| CN202735130U (en) * | 2012-06-27 | 2013-02-13 | 山东源根石油化工有限公司 | Anti-pollution oil liquid sampling device |
| DE102012017046B3 (en) * | 2012-08-29 | 2013-10-31 | Eisenmann Ag | Four-valve high-pressure pump |
| CN204831845U (en) * | 2015-08-06 | 2015-12-02 | 东莞玖龙纸业有限公司 | Hand -held type sampler |
| CN206002349U (en) * | 2016-08-01 | 2017-03-08 | 皖西学院 | A kind of detection oil taking apparatus of transformer |
| CN206300813U (en) * | 2016-12-19 | 2017-07-04 | 上海海洋大学 | A kind of vessel ballast hydromining water installations |
| CN108591006A (en) * | 2018-06-25 | 2018-09-28 | 南通安中水务科技有限公司 | Continous way liquid impurity pumps and its liquid transmission method |
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