CN106840772B - Mud device is got to controllable sampling depth of extraction formula - Google Patents
Mud device is got to controllable sampling depth of extraction formula Download PDFInfo
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- CN106840772B CN106840772B CN201710192484.8A CN201710192484A CN106840772B CN 106840772 B CN106840772 B CN 106840772B CN 201710192484 A CN201710192484 A CN 201710192484A CN 106840772 B CN106840772 B CN 106840772B
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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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- 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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- 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
- G01N2001/1031—Sampling from special places
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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
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
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Abstract
The invention discloses an extraction type mud taking device with controllable sampling depth, which comprises an extraction device and a mud sample collecting combined sleeve; the extraction device comprises a handle, a plunger and a one-way water valve, wherein the mud sample collecting combined sleeve comprises an external sleeve, an auxiliary pipe, a mud taking pipe, a hard spring, a mud taking round table, an external auxiliary pipe, an external mud taking pipe and a fixed support. The invention can be used for forming pressure difference, sucking the sediment, and extruding the sediment in the mud taking pipe at the mud taking ending stage; each combined sleeve is provided with an external joint, so that the pipe section can be increased according to the actual water depth condition, and the application range of the device is enlarged; the outer surface of the auxiliary pipe (an external auxiliary pipe) is carved with scale marks, and after a reference surface is determined, the mud taking depth is determined according to the change condition of the scale marks after the initial stage and the rotation of the auxiliary pipe are pricked into the bottom mud; the device is convenient to detach and carry.
Description
Technical Field
The invention relates to the technical field of environmental engineering construction, in particular to a mud taking device with high efficiency, high convenience and high applicability, which is capable of controlling sampling depth.
Background
In recent years, with the acceleration of urban industrial progress, urban river pollution is increasingly serious, and river sediment pollution is also increasingly serious. After the exogenous pollution of the river is controlled by various control measures, the sediment becomes an endogenous source of the river pollution, so that the river sediment is also gradually studied. Meanwhile, in some laboratories or research institutions, a sediment sample is often required to be collected for experimental analysis, and river sediment sampling is difficult. Aiming at the current laboratories and research institutes, the current sampling method utilizes a groove type digging tool, and aiming at the water body with deeper water depth, a long handle is often required to be externally connected, the operation is inconvenient, and the mud taking depth cannot be controlled; in addition, the grab bucket type mud taking device and the gravity type mud taking device are utilized for taking mud, so that the size is huge, the mass is large, the physical power is consumed, and the mud taking efficiency is low. The applicable water depth is greatly limited by the device itself and the mud taking depth cannot be controlled.
Disclosure of Invention
The invention provides a pumping type mud taking device with controllable sampling depth, which can be used for sampling river mud, and aims to solve the defects of poor mud applicability, difficult operation and low efficiency of the existing river mud taking device.
The invention solves the technical problems by the following technical proposal:
the mud taking device with controllable sampling depth comprises an extraction device and a mud sample collecting combined sleeve; the extraction device comprises a handle, a plunger and a one-way water valve, wherein the mud sample collecting combined sleeve comprises an external sleeve, an auxiliary pipe, a mud taking pipe, a hard spring, a mud taking round table, an external auxiliary pipe, an external mud taking pipe and a fixed support;
the handle is arranged at the upper part of the extraction device, the plunger is arranged in the extraction device, the top of the plunger is connected with the handle, the plunger can be controlled to move up and down in the extraction device through pressing down and the upper handle, the lower end of the extraction device is provided with a mud pipe connecting port, and a one-way water valve is arranged opposite to the first mud pipe connecting port;
the fixed support is of a circular ring structure, the bottom of the outer wall of the outer sleeve is connected with the inner ring of the fixed support, the inside of the outer sleeve is embedded and sleeved with the auxiliary pipe through threads, and the auxiliary pipe is embedded and sleeved with the mud taking frustum;
the mud taking round table has a round table-shaped structure with only side surfaces, and the upper surface of the mud taking round table is connected with the bottom of the mud taking pipe; the hard spring is sleeved outside the mud taking pipe, the top of the hard spring is connected with the top of the auxiliary pipe, and the bottom of the hard spring is connected with the outer wall of the side face of the mud taking round table;
the lower surfaces of the outer sleeve, the auxiliary pipe and the mud taking frustum are in the same horizontal plane in a natural state, and the spring is in an original state in the natural state;
the top end of the external sleeve is provided with an external sleeve joint for connecting the external sleeve; the top of the auxiliary pipe is provided with an external auxiliary pipe joint for connecting an external auxiliary pipe, and the top of the external auxiliary pipe is connected with a rotary handle; the top of the mud pipe is provided with a first external mud pipe joint for connecting the external mud pipe.
And the lower surface of the fixed support is provided with a movable support, the movable support is attached to the bottom surface of the fixed support in a natural state, and is perpendicular to the lower surface of the fixed support in a working state.
And the fixed support and the movable support are made of stainless steel, and the outer sleeve, the auxiliary pipe, the mud taking round table, the external auxiliary pipe and the external mud taking pipe are made of PC materials.
And the number of the external connection sleeve pipes is 0-5, the number of the external connection auxiliary pipes is 1-7, and the number of the external connection mud taking pipes is 1-10 according to the use requirement.
Moreover, the outer surface of the external auxiliary pipe is provided with scales, so that the depth of the auxiliary pipe penetrating into the bottom mud can be measured.
In addition, when the auxiliary pipe is pricked into the bottom mud, the hard spring is in a compressed state.
The beneficial effects of the invention are as follows:
(1) The extraction device designed by the invention can be used for forming pressure difference, sucking the sediment, and extruding the sediment in the mud taking pipe at the mud taking ending stage;
(2) The PC tube (polycarbonate) is an amorphous thermoplastic resin with excellent comprehensive performance, has the advantages of high dimensional stability, chemical corrosion resistance, high strength, low price, no toxicity, low weight, light weight compared with stainless steel and the like, and has the diameter of 600 mm at most. The material is used to make the whole device light in weight, strong in strength, not easy to damage, has the visibility which stainless steel does not have, is convenient to observe, and is suitable for sampling sediment;
(3) Each combined sleeve is provided with an external joint, so that the pipe section can be increased according to the actual water depth condition, and the application range of the device is enlarged;
(4) The outer surface of the auxiliary pipe (an external auxiliary pipe) is carved with scale marks, and after a reference surface is determined, the mud taking depth is determined according to the change condition of the scale marks after the initial stage and the rotation of the auxiliary pipe are pricked into the bottom mud;
(5) The device is convenient to detach and carry.
Drawings
Figure 1 is a schematic overall view of the present invention,
figure 2 is a front and rear working state of the mud sample collection composite sleeve of the present invention,
the device comprises a handle 1, a plunger 2, a one-way water valve 3, an extraction device 4, a second external mud pipe 5, a rotary handle 6, a first external mud pipe 7, an external sleeve 8, a mud pipe 9, a hard spring 10, a mud taking round table 11, a secondary pipe 12, a movable support 13, a fixed support 14, an external secondary pipe joint 15, an external sleeve joint 16, a first external mud pipe joint 17, a scale mark 18, an external secondary pipe 19, a second external mud pipe joint 20 and a mud pipe connecting port 21.
Detailed Description
The invention will now be described with reference to the drawings and examples.
As shown in figure 1, the extraction type mud taking device with controllable sampling depth comprises an extraction device and a mud sample collecting combined sleeve; the extraction device comprises a handle, a plunger and a one-way water valve, wherein the mud sample collecting combined sleeve comprises an external sleeve, an auxiliary pipe, a mud taking pipe, a hard spring, a mud taking round table, an external auxiliary pipe, an external mud taking pipe and a fixed support;
the handle is arranged at the upper part of the extraction device, the plunger is arranged in the extraction device, the top of the plunger is connected with the handle, the plunger can be controlled to move up and down in the extraction device through pressing down and the upper handle, the lower end of the extraction device is provided with a mud pipe connecting port, and a one-way water valve is arranged opposite to the first mud pipe connecting port;
the fixed support is of a circular ring structure, the bottom of the outer wall of the outer sleeve is connected with the inner ring of the fixed support, the inside of the outer sleeve is embedded and sleeved with the auxiliary pipe through threads, and the auxiliary pipe is embedded and sleeved with the mud taking frustum;
the mud taking round table has a round table-shaped structure with only side surfaces, and the upper surface of the mud taking round table is connected with the bottom of the mud taking pipe; the hard spring is sleeved outside the mud taking pipe, the top of the hard spring is connected with the top of the auxiliary pipe, and the bottom of the hard spring is connected with the outer wall of the side face of the mud taking round table;
the lower surfaces of the outer sleeve, the auxiliary pipe and the mud taking frustum are in the same horizontal plane in a natural state, and the spring is in an original state in the natural state;
the top end of the external sleeve is provided with an external sleeve joint for connecting the external sleeve; the top of the auxiliary pipe is provided with an external auxiliary pipe joint for connecting an external auxiliary pipe, and the top of the external auxiliary pipe is connected with a rotary handle; the top of the mud pipe is provided with a first external mud pipe joint for connecting the external mud pipe.
And the lower surface of the fixed support is provided with a movable support, the movable support is attached to the bottom surface of the fixed support in a natural state, and is perpendicular to the lower surface of the fixed support in a working state.
And the fixed support and the movable support are made of stainless steel, and the outer sleeve, the auxiliary pipe, the mud taking pipe, the hard spring, the mud taking round table, the external auxiliary pipe and the external mud taking pipe are made of PC materials.
And according to the use requirement, the number of the external connection sleeve pipes is 0, the number of the external connection auxiliary pipes is 1, and the number of the external connection mud taking pipes is 2.
Moreover, the outer surface of the external auxiliary pipe is provided with scales, so that the depth of the auxiliary pipe penetrating into the bottom mud can be measured.
In addition, when the auxiliary pipe is pricked into the bottom mud, the hard spring is in a compressed state.
The invention comprises the following steps:
(1) The movable support is opened and is perpendicular to the fixed support, and a proper number of external connection sleeves, external connection auxiliary pipes and external connection mud taking pipes are connected according to the depth of water. After the assembly is completed, the sampling combined sleeve is vertically pricked into water, after the sampling combined sleeve is stabilized, the rotary handle sleeve is sleeved on the external auxiliary pipe, and after a reference surface is selected, the initial scale mark value of the external surface of the external sleeve is recorded;
(2) The external sleeve is fixed by means of external force, the rotary handle is rotated forcefully, the auxiliary pipe is gradually and spirally inserted into the bottom mud, the rotary handle is stopped after the scale mark reaches the mud taking depth according to the mud taking depth determined by experiments, at the moment, the inner part of the side surface of the mud taking round table is tightly compacted on the surface of the bottom mud due to the action of the hard spring, and a relatively closed space is formed with the inner part of the auxiliary pipe, as shown in figure 2;
(3) Pressing a plunger of the bottom mud extraction device to the lowest end through a handle, installing a second external mud pipe, and connecting the other end of the second external mud pipe with a second external mud pipe joint on the first external mud pipe, wherein the whole device is assembled;
(4) By pressing down the handle, the plunger is lifted, the one-way water valve is closed at the moment, and a pressure difference is formed between the mud taking pipe and the extraction device; at the initial stage of sampling, the air and river water remained in the mud pipe are sucked into the extraction device; lifting the handle, pressing the plunger, opening the one-way water valve at the moment, and discharging air and river water;
(5) Repeating the step (4) for a plurality of times, and gradually sucking the river sediment sleeved in the auxiliary pipe into a mud pipe and externally connecting the mud pipe until the mud pipe reaches the extraction device;
(6) At the end of sampling, the bottom mud is lost, the height of the bottom mud in the auxiliary pipe is reduced, the mud taking circular table is gradually aligned with the lower surface of the auxiliary pipe under the action of the hard spring, the hard spring gradually tends to be in a natural state, the apparent phenomenon is that the extraction behavior becomes easier, and the substances are almost all river water after being pumped, at the moment, the mud taking process is finished;
(7) After the sludge is taken out, sequentially removing the external sludge taking pipe, and then extracting the sampling combined sleeve from the bottom sludge for removing; and sequentially connecting the detached external mud sampling pipes with the extraction device, closing the one-way water valve, and pressing out mud samples in the external mud sampling pipes to enter the sampling bottle, so that the mud sampling process is completely finished.
While the foregoing is directed to illustrative embodiments of the present invention, it should be appreciated that any and all simple modifications, adaptations, and equivalent thereof may be made by one skilled in the art without departing from the scope of the present invention.
Claims (6)
1. The utility model provides a controllable degree of depth of extraction formula mud device of getting which characterized in that: comprises an extraction device and a mud sample collection combined sleeve; the extraction device comprises a handle, a plunger and a one-way water valve, wherein the mud sample collecting combined sleeve comprises an external sleeve, an auxiliary pipe, a mud taking pipe, a hard spring, a mud taking round table, an external auxiliary pipe, an external mud taking pipe and a fixed support;
the handle is arranged at the upper part of the extraction device, the plunger is arranged in the extraction device, the top of the plunger is connected with the handle, the plunger can be controlled to move up and down in the extraction device by pressing down and the handle on the upper table, the lower end of the extraction device is provided with a mud pipe connecting port, and a one-way water valve is arranged opposite to the mud pipe connecting port;
the fixed support is of a circular structure, the bottom of the outer wall of the outer sleeve is connected with the inner circle of the fixed support, the inside of the outer sleeve is embedded and sleeved with the auxiliary pipe through threads, and the auxiliary pipe is embedded and sleeved with the mud taking round table;
the mud taking round table has a round table-shaped structure with only side surfaces, and the upper surface of the mud taking round table is connected with the bottom of the mud taking pipe; the hard spring is sleeved outside the mud taking pipe, the top of the hard spring is connected with the top of the auxiliary pipe, and the bottom of the hard spring is connected with the outer wall of the side face of the mud taking round table;
the lower surfaces of the outer sleeve, the auxiliary pipe and the mud taking round table are in the same horizontal plane in a natural state, and the spring is in an original state in the natural state;
the top end of the external sleeve is provided with an external sleeve joint for connecting the external sleeve; the top of the auxiliary pipe is provided with an external auxiliary pipe joint for connecting an external auxiliary pipe, and the top of the external auxiliary pipe is connected with a rotary handle; the top of the mud pipe is provided with a first external mud pipe joint for connecting the external mud pipe.
2. The extraction type depth-controllable mud taking device according to claim 1, wherein: the lower surface of the fixed support is provided with a movable support, the movable support is attached to the bottom surface of the fixed support in a natural state, and is perpendicular to the lower surface of the fixed support in a working state.
3. The extraction type depth-controllable mud taking device according to claim 1, wherein: the fixed support and the movable support are made of stainless steel, and the outer sleeve, the auxiliary pipe, the mud taking round table, the external auxiliary pipe and the external mud taking pipe are made of PC materials.
4. The extraction type depth-controllable mud taking device according to claim 1, wherein: according to the use requirement, the number of the external connection sleeve pipes is 0-5, the number of the external connection auxiliary pipes is 1-7, and the number of the external connection mud taking pipes is 1-10.
5. The extraction type depth-controllable mud taking device according to claim 1, wherein: the outer surface of the external auxiliary pipe is provided with scales for measuring the depth of the auxiliary pipe penetrating into the bottom mud.
6. The extraction type depth-controllable mud taking device according to claim 1, wherein: when the auxiliary pipe is pricked into the bottom mud, the hard spring is in a compressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192484.8A CN106840772B (en) | 2017-03-28 | 2017-03-28 | Mud device is got to controllable sampling depth of extraction formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192484.8A CN106840772B (en) | 2017-03-28 | 2017-03-28 | Mud device is got to controllable sampling depth of extraction formula |
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| CN106840772A CN106840772A (en) | 2017-06-13 |
| CN106840772B true CN106840772B (en) | 2023-05-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113375977B (en) * | 2020-07-14 | 2022-07-01 | 中国科学院水生生物研究所 | Columnar mud sampler device |
| CN114295411B (en) * | 2021-12-27 | 2023-10-27 | 东华大学 | Device for underwater sewage and sludge taking |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1019742A (en) * | 1996-07-05 | 1998-01-23 | Chihiro Kaiyo Gijutsu Kk | Method and sample for sampling mud in water area |
| CN101464228A (en) * | 2008-12-29 | 2009-06-24 | 中国科学院测量与地球物理研究所 | Bottom mud column-shaped sampling apparatus |
| CN205532616U (en) * | 2015-10-27 | 2016-08-31 | 中铁十四局集团有限公司 | Pass through yellow river slurry shield machine knife dish and muddy water circulation device under complex geological environment |
| CN106517499A (en) * | 2016-12-31 | 2017-03-22 | 天津大学 | Liftable rotating aeration device for strengthening river sediment oxygen enrichment |
| CN206832514U (en) * | 2017-03-28 | 2018-01-02 | 天津大学 | A kind of silt dredging device of the controllable depth selection of extraction type |
-
2017
- 2017-03-28 CN CN201710192484.8A patent/CN106840772B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1019742A (en) * | 1996-07-05 | 1998-01-23 | Chihiro Kaiyo Gijutsu Kk | Method and sample for sampling mud in water area |
| CN101464228A (en) * | 2008-12-29 | 2009-06-24 | 中国科学院测量与地球物理研究所 | Bottom mud column-shaped sampling apparatus |
| CN205532616U (en) * | 2015-10-27 | 2016-08-31 | 中铁十四局集团有限公司 | Pass through yellow river slurry shield machine knife dish and muddy water circulation device under complex geological environment |
| CN106517499A (en) * | 2016-12-31 | 2017-03-22 | 天津大学 | Liftable rotating aeration device for strengthening river sediment oxygen enrichment |
| CN206832514U (en) * | 2017-03-28 | 2018-01-02 | 天津大学 | A kind of silt dredging device of the controllable depth selection of extraction type |
Non-Patent Citations (1)
| Title |
|---|
| 黄建军 ; 赵新华 ; 孙井梅 ; 张丹.城市河道底泥释磷的影响因素研究.中国给水排水.(第005期),93-95. * |
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