CN214224592U - River course silt sampling device under water - Google Patents
River course silt sampling device under water Download PDFInfo
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- CN214224592U CN214224592U CN202120064093.XU CN202120064093U CN214224592U CN 214224592 U CN214224592 U CN 214224592U CN 202120064093 U CN202120064093 U CN 202120064093U CN 214224592 U CN214224592 U CN 214224592U
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Abstract
The river course underwater silt sampling device comprises a silt inlet pipe, a plurality of silt containing pipes, a plurality of connecting pipes, a handle and a pulling-assisting air bag, wherein the silt inlet pipe, the plurality of silt containing pipes, the plurality of connecting pipes and the handle are in threaded connection with each other; after sampling, the sludge sample can be observed and stored in sections; the auxiliary pulling air bag is arranged, so that the sampling is labor-saving, and the sampling operation can be finished by a single person.
Description
Technical Field
The utility model relates to a sampling device technical field, more specifically the river course silt sampling device under water that says so.
Background
Can influence navigation ability after the silt accumulation of water such as river course, the desilting needs to the aquatic silt sample, a layering situation for observing silt layer degree of depth and each silt section, silt sampling device commonly used mainly has petersen mud sampler and column mud sampler, petersen mud sampler's sampling process is big to the bed mud disturbance, can only take the mixed state sample about 20cm on bed mud top layer, current column mud sampler includes gravity sampler, gravity piston sampler and vibrating piston sampler etc. these samplers size are big and heavy inconvenient the use, consequently need a neotype technical scheme to solve this problem in the middle of the prior art urgently.
SUMMERY OF THE UTILITY MODEL
River silt sampling device includes: a mud inlet pipe, a mud containing pipe, a connecting pipe and a handle.
The mud inlet pipe is provided with an axial first through hole, the lower part of the mud inlet pipe is a knife edge, the middle part in the mud inlet pipe is provided with a first half ball valve, and the upper part in the mud inlet pipe is provided with a first internal thread.
The mud containing pipes are a plurality of in quantity and made of transparent materials, each mud containing pipe is provided with an axial third through hole, each mud containing pipe comprises a main body section and connecting sections located at two ends of the main body section, the outer diameter of each connecting section is smaller than that of the corresponding main body section, and the connecting sections at the two ends of the main body section are provided with external threads.
The connecting pipe, a plurality of, every connecting pipe all is equipped with the axial second through-hole, and both ends all are equipped with the second internal thread about in the connecting pipe, advance mud intraductal middle part and be equipped with a second hemisphere valve.
The handle comprises a handle disc, a connecting ring and a long rod;
the connecting ring is provided with an axial fourth through hole, and a third internal thread is arranged at the lower end in the connecting ring;
the handle disc and the connecting ring are fixedly connected with the two ends of the long rod respectively, and a fastening ring is fixedly connected to the position, close to the connecting ring, of the long rod.
Preferably, the river sludge sampling device further comprises an extraction assisting air bag detachably connected with the handle disc and the fastening ring respectively.
Preferably, the first internal thread, the second internal thread and the third internal thread of the river sludge sampling device are matched with the external thread.
Preferably, in the river sludge sampling device, the first through hole, the third through hole, the second through hole and the fourth through hole are communicated under the condition that the first half ball valve and all the second half ball valves are opened.
Preferably, the first half ball valve and the second half ball valve of the river channel sludge sampling device are identical in structure and material; the first hemispherical valve comprises a first hemispherical bottom, a first circular flange and a first connecting lug which are integrally formed and made of rubber, and further comprises a first hemispherical chamber, wherein a first through hole coaxially penetrates through the first hemispherical chamber, the diameter of a ball of the first hemispherical chamber is larger than the aperture of the first through hole of the mud inlet pipe at the joint of the first through hole and the first hemispherical chamber, the large opening of the first hemispherical chamber faces downwards, a first circular platform is arranged at the joint of the lower end of the first hemispherical chamber and the first through hole of the mud inlet pipe, and the first connecting lug is fixedly connected with the first circular platform; the second hemispherical valve comprises a second hemispherical bottom, a second circular ring flange and a second connecting lug which are integrally formed and made of rubber, and further comprises a second hemispherical cavity, wherein a second through hole coaxially penetrates through the second hemispherical cavity, the second through hole is connected with the second hemispherical cavity, the diameter of a second hemispherical cavity ball is larger than that of the second through hole of the connecting pipe, the second hemispherical cavity is provided with a large opening downwards, a second circular ring-shaped platform is arranged at the joint of the lower end of the second hemispherical cavity and the second through hole of the connecting pipe, and the second connecting lug is fixedly connected with the second circular ring-shaped platform.
The utility model provides a river course silt sampling device possesses following beneficial effect:
1, the length of the device can be adjusted according to the depth of the river channel water, and the device is suitable for sampling river channel sludge with different depths of water; 2, after sampling, observing and storing sludge samples in a segmented manner; 3, the auxiliary air bag is arranged, so that the sampling is labor-saving, and the sampling operation can be finished by a single person.
Drawings
FIG. 1 is a schematic view of the device of the present invention (only three mud tubes are shown in the figure, only two connecting tubes are shown in the figure, and the pulling-assisting air bag, the fastening belt and the inflation tube are not shown);
FIG. 2 is a schematic view of a mud inlet pipe;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
the upper drawing in fig. 4 is a schematic structural view among the first hemispherical bottom, the first circular flange and the first connecting lug of the first hemispherical valve, and the lower drawing is a schematic structural view among the first hemispherical bottom, the first circular flange and the first connecting lug of the first hemispherical valve at another angle;
FIG. 5 is a schematic view of the mud pipe (a third through hole is shown between two symmetrical dotted lines in the figure);
FIG. 6 is a schematic view of a connection tube (second hemispherical bottom, second annular flange, second engaging lug without second hemispherical valve);
FIG. 7 is a sectional view taken along line B-B of FIG. 6, and the lower view is a front view of the upper view;
FIG. 8 is a schematic view of the connecting tube as viewed from the top in the top view and a schematic view of the connecting tube as viewed from the bottom in the bottom view;
fig. 9 is a schematic view of the handle (with the pull-assist bladder 407 in an uninflated condition).
Because the second hemispherical valve in the connecting pipe has the same structure as the first hemispherical valve of the mud inlet pipe, and the connection mode of the second lug and the second circular ring-shaped platform is the same as that of the first lug and the first circular ring-shaped platform, the schematic structural diagram among the second hemispherical bottom, the second circular ring flash and the second lug of the second hemispherical valve is not shown.
The figure includes: the device comprises a mud inlet pipe 1, a knife edge 101, a first through hole 102, a first hemispherical ball valve 103, a first hemispherical bottom 1031, a first annular flange 1032, a first connecting lug 1033, a first hemispherical chamber 1034, a first circular platform 1035, a first internal thread 104, a mud containing pipe 2, a main body 21, a connecting section 22, a third through hole 201, an external thread 202, a connecting pipe 3, a second through hole 301, a second hemispherical valve 302, a second hemispherical bottom 3021, a second annular flange 3022, a second connecting lug 3023, a second hemispherical chamber 3024, a second circular platform 3025, a second internal thread 303, a handle 4, a handle disc 401, a connecting ring 402, a fourth through hole 403, a third internal thread 404, a handle 405, a fastening ring 406, a long rod 407, a pulling-assisted air bag 408, a fastening belt 409 and an inflation pipe.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-9, the river sludge sampling device of the present embodiment includes: a mud inlet pipe 1, a mud containing pipe 2, a connecting pipe 3 and a handle 4.
Referring to fig. 2-4, the mud inlet pipe 1 is provided with an axial first through hole 102, the lower part of the mud inlet pipe is provided with a knife edge 101, the knife edge 101 is used for cutting rhizomes of underwater plants, the middle part in the mud inlet pipe 1 is provided with a first half ball valve 103, and the upper part in the mud inlet pipe 1 is provided with a first internal thread 104.
Referring to fig. 1 and 5, the mud containing pipes 2 are multiple in number and made of transparent materials, each mud containing pipe 2 is provided with an axial third through hole 201, each mud containing pipe 2 is composed of a main body section 21 and connecting sections 22 located at two ends of the main body section 21, the outer diameter of each connecting section 22 is smaller than that of the main body section 21, the connecting sections 22 at two ends of the main body section 21 are provided with external threads 202, the mud containing pipes 2 can be customized in different lengths, and scales can be marked on the outer walls of the mud containing pipes 2.
Referring to fig. 1 and fig. 6 to 8, the number of the connecting pipes 3 is multiple, each connecting pipe 3 is provided with an axial second through hole 301, the upper end and the lower end of the connecting pipe 3 are provided with second internal threads 303, and the middle part of the connecting pipe 3 is provided with a second hemispherical valve 302.
Referring to fig. 9, the handle 4 includes a handle plate 401, a connecting ring 402, and a long rod 405; the connecting ring 402 is provided with an axial fourth through hole 403, and a third internal thread 404 is arranged at the lower end in the connecting ring 402; the two ends of the long rod 405 are respectively fixedly connected with the handle disc 401 and the connecting ring 402, the long rod 405 can be customized to different lengths, and the part of the long rod 405 close to the connecting ring 402 is also fixedly connected with a fastening ring 406.
Referring to fig. 9, preferably, the river sludge sampling device further includes an assistant pulling air bag 407 detachably connected to the handle plate 401 and the fastening ring 406, specifically, the assistant pulling air bag 407 is fastened between the handle plate 401 and the fastening ring 406 by a fastening belt 408, an inflation tube 409 is fixedly connected to the top of the assistant pulling air bag 407, and the inflation tube 409 is connected to an external air pump or air cylinder to inflate the assistant pulling air bag 407.
Referring to fig. 2-3 and 5-9, in the preferred river sludge sampling device, the first internal thread 104, the second internal thread 303, and the third internal thread 404 are all adapted to the external thread 202.
Referring to fig. 1-3 and 5-9, in the river sludge sampling device, preferably, the first through hole 102, the third through hole 201, the second through hole 301 and the fourth through hole 403 are communicated when the first half ball valve 103 and all the second half ball valves 302 are opened.
Referring to fig. 2-4 and 6-8, preferably, in the river sludge sampling device, the first half ball valve 103 and the second half ball valve 302 have the same structure and material; the first half ball valve 103 comprises a first half ball bottom 1031, a first circular flange 1032 and a first connecting lug 1033 which are integrally formed and made of rubber, and further comprises a first half ball chamber 1034, the first through hole 102 coaxially penetrates through the first half ball chamber 1034, at the joint of the first through hole 102 and the first hemispherical chamber 1034, the ball diameter of the first hemispherical chamber 1034 is larger than the hole diameter of the first through hole 102 of the mud inlet pipe 1, and the large opening of the first hemispherical chamber 1034 faces downwards, a first circular platform 1035 is arranged at the joint of the lower end of the first hemispherical chamber 1034 and the first through hole 102 of the mud inlet pipe 1, the first connecting lug 1033 is fixedly connected with the first circular ring-shaped platform 1035, a small through hole is reserved on the first connecting lug 1033, the first circular ring platform 1035 can be fixedly connected with a self-tapping screw, and the first circular ring flange 1032 plays a role in sealing; the second hemispherical valve 302 includes a second hemispherical bottom 3021, a second annular flange 3022, and a second engaging lug 3023, which are integrally formed and made of rubber, and further includes a second hemispherical chamber 3024, the second through hole 301 coaxially penetrates through the second hemispherical chamber 3024, where the second through hole 301 is connected with the second hemispherical chamber 3024, the spherical diameter of the second hemispherical chamber 3024 is larger than the aperture diameter of the second through hole 301 of the connecting pipe 3, and the second hemispherical chamber 3024 is opened downward, a second circular platform 3025 is arranged at the connection position of the lower end of the second hemispherical chamber 3024 and the second through hole 301 of the connecting pipe 3, the second connecting lug 3023 is fixedly connected with the second circular platform 3025, a small through hole is reserved on the second connecting lug 3023, self-tapping screws can be used to be fixedly connected with the second circular ring-shaped platform 3025, and the second circular ring flash 3022 plays a role in sealing.
Referring to fig. 2-4 and 6-8, when the device of the present invention is inserted into a river for sampling underwater sludge, in the descending process, due to the thrust of water or sludge, the first hemispherical bottom 1031, the first annular flange 1032 and the first connecting lug 1033 of the first hemispherical valve 103 form a valve flap of an integral structure, and the second hemispherical bottom 3021, the second annular flange 3022 and the second connecting lug 3023 of the second hemispherical valve 302 form a valve flap of an integral structure, which is tilted upward and opened; in the lifting process, the valve flap is pressed downwards to close under the combined action of the elasticity of the first connecting lug 1033 or the second connecting lug 3023 and the gravity of water or sludge, and the opening angle of the valve flap is controlled when the first hemispherical chamber 1034 and the second hemispherical chamber 3024 are used for opening the valve flap, so that the valve flap is prevented from being too large to be close to the hole wall of the first through hole 102 or the hole wall of the second through hole 301 to form a dead angle and cannot be reset. Meanwhile, the first connecting lug 1033 and the second connecting lug 3023 are elastically deformed due to the rubber material when being opened, so that the boosting force is provided when the first half ball valve 103 and the second half ball valve 302 are closed; when closed, the first annular flange 1032 is in close contact with the first annular platform 1035, and the second annular flange 3022 is in close contact with the second annular platform 3025.
The utility model discloses the in-process that the device was carried, if the staff is not enough or silt is too dark, when mentioning the power, can utilize external air pump or inflator to aerify to helping drawing out gasbag 407, mention with the help of the buoyancy help of water the utility model discloses the device.
The utility model discloses the device is so operated and is used: the mud inlet pipe 1 is in threaded connection with one end of one mud containing pipe 2, the other end of the mud containing pipe 2 is in threaded connection with one end of one connecting pipe 3, the other end of the connecting pipe 3 is in threaded connection … … with the other mud containing pipe 2, the mud containing pipes 2 and the connecting pipes 3 in different quantities are selected to be connected according to the water depth and the possible thickness of mud, and the other end of the last mud containing pipe 2 is in threaded connection with the connecting ring 402 of the handle 4; the assisted extraction balloon 407 may or may not be selected depending on the possible thickness of the sludge and the amount of hands on the site.
When sampling, the utility model is inserted into water and deep into silt, and before reaching a preset depth, if the insertion is blocked (possibly by rhizomes of underwater plants), the handle disc 401 can be held by both hands and pressed down forcibly, even the handle disc 401 can be hammered; when reaching the preset depth, the device of the utility model is lifted, when lifting up, the external air pump or air cylinder can be utilized to inflate the pulling-up assisting air bag 407, and the buoyancy of water is utilized to help to lift the device of the utility model; after the device of the utility model, the handle 4 is firstly disassembled from the top mud pipe 2, then the top sampling node is disassembled (the sampling node is composed of the mud pipe 2 and the connecting pipe 3), the mark is placed, and the next sampling node is disassembled again until the bottom sampling node (composed of the mud pipe 2 and the mud pipe 1).
Claims (5)
1. River course silt sampling device under water, its characterized in that includes:
the mud inlet pipe is provided with an axial first through hole, the lower part of the mud inlet pipe is a knife edge, the middle part in the mud inlet pipe is provided with a first half ball valve, and the upper part in the mud inlet pipe is provided with a first internal thread;
the mud containing pipes are multiple and made of transparent materials, each mud containing pipe is provided with an axial third through hole, each mud containing pipe is composed of a main body section and connecting sections located at two ends of the main body section, the outer diameter of each connecting section is smaller than that of the main body section, and the connecting sections at two ends of the main body section are provided with external threads;
the connecting pipes are multiple in number, each connecting pipe is provided with an axial second through hole, second internal threads are arranged at the upper end and the lower end of each connecting pipe, and a second half ball valve is arranged in the middle of each connecting pipe;
the handle comprises a handle and a handle, wherein,
a handle plate;
the connecting ring is provided with an axial fourth through hole, and a third internal thread is arranged at the lower end in the connecting ring;
the two ends of the long rod are respectively fixedly connected with the handle disc and the connecting ring;
the part of the long rod close to the connecting ring is also fixedly connected with a fastening ring.
2. The device for sampling underwater sludge in a river according to claim 1, wherein: and the pulling-assisted air bag is detachably connected with the handle disc and the fastening ring respectively.
3. The device for sampling underwater sludge in a river according to claim 1, wherein: the first internal thread, the second internal thread and the third internal thread are matched with the external thread.
4. The device for sampling underwater sludge in a river according to claim 1, wherein: the first through hole, the third through hole, the second through hole and the fourth through hole are communicated under the condition that the first half ball valve and all the second half ball valves are opened.
5. The device for sampling underwater sludge in a river according to claim 1, wherein: the first half ball valve and the second half ball valve are identical in structure and material; the first hemispherical valve comprises a first hemispherical bottom, a first circular flange and a first connecting lug which are integrally formed and made of rubber, and further comprises a first hemispherical chamber, wherein a first through hole coaxially penetrates through the first hemispherical chamber, the diameter of a ball of the first hemispherical chamber is larger than the aperture of the first through hole of the mud inlet pipe at the joint of the first through hole and the first hemispherical chamber, the large opening of the first hemispherical chamber faces downwards, a first circular platform is arranged at the joint of the lower end of the first hemispherical chamber and the first through hole of the mud inlet pipe, and the first connecting lug is fixedly connected with the first circular platform; the second hemispherical valve comprises a second hemispherical bottom, a second circular ring flange and a second connecting lug which are integrally formed and made of rubber, and further comprises a second hemispherical cavity, wherein a second through hole coaxially penetrates through the second hemispherical cavity, the second through hole is connected with the second hemispherical cavity, the diameter of a second hemispherical cavity ball is larger than that of the second through hole of the connecting pipe, the second hemispherical cavity is provided with a large opening downwards, a second circular ring-shaped platform is arranged at the joint of the lower end of the second hemispherical cavity and the second through hole of the connecting pipe, and the second connecting lug is fixedly connected with the second circular ring-shaped platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120064093.XU CN214224592U (en) | 2021-01-11 | 2021-01-11 | River course silt sampling device under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120064093.XU CN214224592U (en) | 2021-01-11 | 2021-01-11 | River course silt sampling device under water |
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| Publication Number | Publication Date |
|---|---|
| CN214224592U true CN214224592U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120064093.XU Active CN214224592U (en) | 2021-01-11 | 2021-01-11 | River course silt sampling device under water |
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| CN (1) | CN214224592U (en) |
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2021
- 2021-01-11 CN CN202120064093.XU patent/CN214224592U/en active Active
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