CN113607464A - Sampler for underwater sediments in river and lake system - Google Patents
Sampler for underwater sediments in river and lake system Download PDFInfo
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- CN113607464A CN113607464A CN202110763795.1A CN202110763795A CN113607464A CN 113607464 A CN113607464 A CN 113607464A CN 202110763795 A CN202110763795 A CN 202110763795A CN 113607464 A CN113607464 A CN 113607464A
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- 239000013049 sediment Substances 0.000 title claims abstract description 53
- 238000005070 sampling Methods 0.000 claims abstract description 140
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 239000011435 rock Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 210000003934 vacuole Anatomy 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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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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- Life Sciences & Earth Sciences (AREA)
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- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a sampler for underwater sediments in a river and lake system, which comprises a driving unit and a sampling unit fixedly connected with the movable end of the driving unit, wherein the driving unit is used for driving the sampling unit to move so that the sampling unit can extend into an area to be sampled for sampling; in the use process of the sampler for the underwater sediments in the river and lake system, the bottom opening of the sampling tube can be closed by the closing mechanism after sampling is finished, specifically, when the sampling tube is at the initial position (the sampling unit does not extend into the area to be sampled) and the electromagnet is electrified, the elastic piece is in a compressed state, and the baffle plate opens the opening; and then, after the sampling unit extends into the area to be sampled and reaches a preset depth, the electromagnet is powered off, the elastic piece is in an extended state, and the baffle is attached to the stop block to seal the opening.
Description
Technical Field
The invention relates to the technical field of sampling equipment, in particular to a sampler for underwater sediments of a river and lake system.
Background
Sampling of shallow soft sediments refers to the way of collecting samples of shallow soft sediments, including the layout, tools and sampling techniques of sampling. The soil sample on the sediment surface is collected and is carried out after the record of section observation is finished. Before sampling, trimming and cleaning the section, cutting off the sediments on the outermost layer, and then sampling from the typical central part layer by layer from top to bottom according to the layers, so that the accuracy of detecting the shallow soft sediments can not be influenced by the obtained shallow soft sediment sample; in the detection of the shallow soft sediment, the superficial sediment is not used, so the sampling of the shallow soft sediment needs a certain depth.
The patent CN105388039B discloses a sampler, and discloses a sampler, wherein a transverse sampling cutting ring is positioned on a longitudinal sampling cutting ring, the transverse sampling cutting ring and the longitudinal sampling cutting ring are combined into a whole and can move up and down in an external drilling barrel, a bottom rotating gear is sleeved at the front part of the whole transverse sampling cutting ring, and the transverse sampling cutting ring can sample transversely and in multiple directions by the rotation assistance of the bottom rotating gear to perform supplementary analysis on a longitudinal sample. A sampler comprises a handle, an operation platform, an external drilling barrel, height scales, a horizontal small vacuole, a sample outlet groove, a vertical shaft, a drill bit sampling hole, a rotary buckle, a longitudinal sampling cutting ring, a lug clamping groove, a transverse sampling hole, a transverse sampling cutting ring, a sawtooth, a piston type tail piece, a tail lug, a thread, a bottom rotary gear, a bottom control gear, a bottom rotary gear fixing shaft, a sampling rod handle, a sampling rod moving groove, a sliding key, a spring ball clamping groove, a turning gear, a transverse control gear, a longitudinal adjusting gear handle, a longitudinal adjusting gear fixing shaft, a compaction sensor, a humidity sensor, an electric wire, a data display setting screen, a battery and a sample pushing needle.
The disadvantages of the sampler are as follows: 1. when the sampler is used, the bottom opening of the sampling tube cannot be closed after sampling is finished, the integrity of a sample cannot be effectively maintained, and the sample is lost, so that the later detection work of shallow soft sediments is influenced; 2. when the sampler is used, different shallow soft sediment conditions, such as shallow soft sediment or deep rock, cannot be respectively sampled according to different use requirements, and the sampler for the underwater sediments of the river and lake system is not flexible to use, so that the sampler for the underwater sediments of the river and lake system is provided.
Disclosure of Invention
Aiming at the condition of the prior art, the invention provides the sampler for the underwater sediments in the river and lake system, after sampling, the bottom opening of the sampling tube can be closed by the closing mechanism, the integrity of the sample can be effectively kept, and the sample cannot be lost, so that the sampler for the underwater sediments in the river and lake system can effectively solve the problems in the prior art.
The invention is realized by the following technical scheme:
the invention provides a sampler for underwater sediments in a river and lake system, which comprises a driving unit and a sampling unit fixedly connected with the movable end of the driving unit, wherein the driving unit is used for driving the sampling unit to move so that the sampling unit can extend into an area to be sampled for sampling;
the sampling unit comprises a sampling tube and a closing mechanism, wherein a sampling space is formed inside the sampling tube, one end of the sampling tube is opened, the closing mechanism comprises a baffle plate which is rotatably connected with the inner wall of the sampling tube close to the opening, an elastic piece arranged between the baffle plate and the sampling tube, an electromagnet arranged on the inner wall of the sampling tube corresponding to the baffle plate, and a stop block arranged on the inner wall of the sampling tube corresponding to the opening; when the sampling tube is at the initial position and the electromagnet is electrified, the elastic piece is in a compressed state, and the baffle plate opens the opening; when the sampling unit extends into the area to be sampled and reaches a preset depth and the electromagnet is powered off, the elastic piece is in an extended state, and the baffle is attached to the stop block to seal the opening.
Further, drive unit includes extensible member and driving piece, the flexible end of extensible member with driving piece fixed connection, the expansion end of driving piece with sample unit fixed connection, the extensible member is used for promoting the driving piece with sample unit removes together, the driving piece is used for the drive sample unit rotates.
Further, the sampler for the underwater sediments in the river and lake system also comprises a supporting unit and a transmission unit;
the supporting unit comprises a supporting body with an accommodating cavity formed inside and a plurality of supporting legs arranged at the bottom of the supporting body;
the transmission unit comprises a motor fixedly arranged on the support body, a first gear fixedly connected with a rotating shaft of the motor, a second gear connected with the first gear in a matching way, a third gear connected with the second gear through a rotating shaft, and a sleeve in gear transmission with the third gear, wherein the sleeve is provided with teeth matched with the third gear, the first gear, the second gear and the third gear are all positioned in an accommodating cavity of the support body, the second gear and the third gear are all rotatably connected with the support body, the sleeve is sleeved on the outer side of the sampling unit, and the sleeve penetrates through the support body;
the motor is used for driving the sleeve to move relative to the supporting body, so that the sleeve drives the sampling unit to move along with the sleeve.
Further, it is a plurality of the landing leg bottom is equallyd divide and is do not provided with one and prevents sinking the pad, prevent sinking to stack up and be provided with the fixed awl of a plurality of, the bottom of preventing sinking the pad is provided with a plurality of studs, fixed awl is used for stretching into and treats the sample area and with treat that the sample area is fixed mutually.
Furthermore, a plurality of the supporting legs are fixedly connected with the supporting body through a hydraulic shock absorption frame respectively.
Further, the number of the supporting legs is four.
Furthermore, the anti-settling pads are four, and the four support legs are respectively in one-to-one correspondence with the four anti-settling pads.
Furthermore, the bottoms of the four anti-sinking pads are respectively provided with one fixing cone.
Furthermore, nine anti-skid nails are respectively arranged at the bottoms of the four anti-sinking pads.
Further, the anti-skid studs are in threaded connection with the bottoms of the anti-sinking pads.
Compared with the prior art, the invention has the following advantages and beneficial effects:
in the use process of the sampler for the underwater sediments in the river and lake system, the bottom opening of the sampling tube can be closed by the closing mechanism after sampling is finished, specifically, when the sampling tube is at the initial position (the sampling unit does not extend into the area to be sampled) and the electromagnet is electrified, the elastic piece is in a compressed state, and the baffle plate opens the opening; and then, after the sampling unit extends into the area to be sampled and reaches a preset depth, the electromagnet is powered off, the elastic piece is in an extended state, and the baffle is attached to the stop block to seal the opening.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of a sampler for underwater sediments in a river or lake system according to the present invention;
FIG. 2 is a schematic front view of an embodiment of a sampler for underwater sediments in a river or lake system according to the present invention;
FIG. 3 is a schematic perspective view of an embodiment of a partial structure of a sampler for bottom sediments in a river or lake system according to the present invention;
fig. 4 is a schematic cross-sectional structure diagram of a sampling unit according to an embodiment of the present invention.
Reference numerals: 1. a drive unit; 11. a telescoping member; 12. a drive member; 2. a sampling unit; 21. a sampling tube; 22. a closing mechanism; 221. a baffle plate; 222. an elastic member; 223. an electromagnet; 224. a stopper; 3. a support unit; 31. a support body; 32. a support leg; 321. an anti-sinking pad; 3211. a fixed cone; 3212. anti-skid nails; 33. a hydraulic shock-absorbing mount; 4. a transmission unit; 41. a motor; 42. a first gear; 43. a second gear; 44. a third gear; 45. a sleeve.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention and not to limit its scope.
Example 1:
as shown in fig. 1 to 4, a sampler for underwater sediments in a river and lake system comprises a driving unit 1 and a sampling unit 2 fixedly connected with a movable end of the driving unit 1, wherein the driving unit 1 is used for driving the sampling unit 2 to move, so that the sampling unit 2 extends into an area to be sampled for sampling;
the sampling unit 2 comprises a sampling tube 21 with an opening at one end and a closing mechanism 22, wherein a sampling space is formed inside the sampling tube 21, the closing mechanism 22 comprises a baffle 221 rotatably connected with the inner wall of the sampling tube 21 close to the opening, an elastic piece 222 arranged between the baffle 221 and the sampling tube 21, an electromagnet 223 arranged on the inner wall of the sampling tube 21 corresponding to the baffle 221, and a stop block 224 arranged on the inner wall of the sampling tube 21 corresponding to the opening; when the sampling tube 21 is in the initial position and the electromagnet 223 is energized, the elastic member 222 is in a compressed state, and the shutter 221 opens the opening; when the sampling unit 2 extends into the area to be sampled and reaches a predetermined depth and the electromagnet 223 is de-energized, the elastic member 222 is in an extended state, and the baffle 221 is attached to the stopper 224 to close the opening.
In the use process of the sampler for the underwater sediments in the river and lake system, the bottom opening of the sampling tube 21 can be closed by the closing mechanism 22 after sampling is finished, specifically, when the sampling tube 21 is in the initial position (the sampling unit 2 does not extend into the area to be sampled) and the electromagnet 223 is electrified, the elastic piece 222 is in a compressed state, and the baffle 221 opens the opening; after the sampling unit 2 is inserted into the area to be sampled and reaches a predetermined depth, the electromagnet 223 is powered off, the elastic member 222 is in an extended state, the baffle 221 and the stopper 224 are attached to seal the opening, and in the process of lifting the sampling tube 21, shallow soft sediments in the sampling tube 21 are attached to the baffle 221 and the stopper 224 under the action of gravity, so that the opening is sealed more stably, the integrity of a sample can be effectively maintained, the sample cannot be lost, and the detection work of the later shallow soft sediments cannot be influenced.
Particularly, the baffle 221 of the present invention may damage the shallow soft sediment at the bottom inside the sampling plate when closing the opening, but, in the actual sampling process, the soil layer to be detected may be prevented from being damaged by adjusting the predetermined depth of the sampling unit 2 extending into the area to be sampled, and at this time, the shallow soft sediment damaged by the baffle 221 is not the desired part, so that the integrity of the sample can be effectively maintained without causing damage and loss of the part to be detected of the sample.
Example 2:
as shown in fig. 1 to 4, a sampler for underwater sediments in a river and lake system comprises a driving unit 1 and a sampling unit 2 fixedly connected with a movable end of the driving unit 1, wherein the driving unit 1 is used for driving the sampling unit 2 to move, so that the sampling unit 2 extends into an area to be sampled for sampling;
the sampling unit 2 comprises a sampling tube 21 with an opening at one end and a closing mechanism 22, wherein a sampling space is formed inside the sampling tube 21, the closing mechanism 22 comprises a baffle 221 rotatably connected with the inner wall of the sampling tube 21 close to the opening, an elastic piece 222 arranged between the baffle 221 and the sampling tube 21, an electromagnet 223 arranged on the inner wall of the sampling tube 21 corresponding to the baffle 221, and a stop block 224 arranged on the inner wall of the sampling tube 21 corresponding to the opening; when the sampling tube 21 is in the initial position and the electromagnet 223 is energized, the elastic member 222 is in a compressed state, and the shutter 221 opens the opening; when the sampling unit 2 extends into the area to be sampled and reaches a predetermined depth and the electromagnet 223 is de-energized, the elastic member 222 is in an extended state, and the baffle 221 is attached to the stopper 224 to close the opening.
Referring to fig. 2 and 3, the driving unit 1 includes a telescopic member 11 and a driving member 12, the telescopic end of the telescopic member 11 is fixedly connected to the driving member 12, the movable end of the driving member 12 is fixedly connected to the sampling unit 2, the telescopic member 11 is used to push the driving member 12 and the sampling unit 2 to move together, and the driving member 12 is used to drive the sampling unit 2 to rotate.
Referring to fig. 2 and 3, the sampler for bottom sediment of a river and lake system further includes a supporting unit 3 and a driving unit 4.
The support unit 3 includes a support body 31 having a receiving cavity formed therein, and a plurality of legs 32 provided at the bottom of the support body 31.
The transmission unit 4 includes a motor 41 fixedly disposed on the support body 31, a first gear 42 fixedly connected to a rotation shaft of the motor 41, a second gear 43 connected to the first gear 42 in a matching manner, a third gear 44 connected to the second gear 43 via a rotation shaft, and a sleeve 45 in gear transmission with the third gear 44, wherein the sleeve 45 is provided with teeth matched with the third gear 44, the first gear 42, the second gear 43, and the third gear 44 are all located inside the accommodating cavity of the support body 31, the second gear 43 and the third gear 44 are all in rotational connection with the support body 31, the sleeve 45 is sleeved on the outer side of the sampling unit 2, and the sleeve 45 is disposed on the support body 31 in a penetrating manner.
The motor 41 is configured to drive the sleeve 45 to move relative to the support body 31, so that the sleeve 45 drives the sampling unit 2 to move along with the sleeve 45.
When the sampler for the underwater sediments of the river and lake system is used, the sampler can respectively sample according to different using requirements aiming at different conditions of shallow soft sediments such as shallow soft sediments or deep rocks, and the sampler for the underwater sediments of the river and lake system is flexible to use.
Particularly, when shallow soft sediments need to be sampled, the supporting unit 3 can be fixed on the area to be sampled, and then the motor 41 can drive the first gear 42, the second gear 43 and the third gear 44 to rotate so as to drive the sleeve 45 to move relative to the supporting body 31, and the sleeve 45 drives the sampling unit 2 to move along with the sleeve 45 (wherein the sleeve 45 is fixedly connected with the sampling unit 2) for sampling; before sampling shallow soft sediment, the driving unit 1 can be taken down to facilitate sampling.
Particularly, when a deep rock needs to be sampled, the telescopic piece 11 and the driving piece 12 can work together to drive the sampling tube 21 to move downwards and rotate until the sampling tube 21 extends into an area to be sampled and reaches a preset depth, and then the sampling is completed, in this state, because a soil layer is compact, the closing mechanism 22 of the invention cannot be normally used, but a soil cutting line knife in the prior art can be used for cutting and sampling, so that the integrity of the sample can be effectively maintained, and the damage and the loss of a part to be detected of the sample can not be caused; before the deep rock is sampled, the supporting unit 3 and the transmission unit 4 can be taken down to facilitate the sampling.
The sampler for the underwater sediments of the river and lake system can sample according to the two different conditions of the shallow soft sediments, such as the shallow soft sediments or deep rocks, and can sample respectively according to different use requirements.
Referring to fig. 2, the bottoms of the legs 32 are respectively provided with an anti-sinking pad 321, the anti-sinking pad 321 is provided with a plurality of fixing cones 3211, the bottom of the anti-sinking pad 321 is provided with a plurality of anti-slip nails 3212, and the fixing cones 3211 are used for extending into the area to be sampled and fixing the area to be sampled. When shallow soft sediment needs to be sampled, the fixing cone 3211 can be nailed into the area to be sampled, and then the anti-slip nail 3212 is in contact with the surface of the area to be sampled, so as to increase the friction force between the anti-slip nail 3212 and the surface of the area to be sampled, and the design is favorable for improving the stability of sampling work.
Referring to fig. 2, a plurality of the legs 32 are each fixedly connected to the support body 31 via a hydraulic shock-absorbing mount 33. The design is favorable for improving the stability of sampling work.
Referring to fig. 1 and 2, the legs 32 are provided in four; the number of the anti-sinking pads 321 is four, and the four support legs 32 are respectively arranged in one-to-one correspondence with the four anti-sinking pads 321; the bottom parts of the four anti-sinking pads 321 are respectively provided with the fixed cone 3211; nine anti-skid nails 3212 are respectively arranged at the bottoms of the four anti-settling pads 321; the cleat 3212 is threadedly coupled to the bottom of the anti-settling pad 321. The design is favorable for improving the stability of sampling work.
Compared with the prior art, the sampler for the underwater sediments in the river and lake system has the following beneficial effects:
in the use process of the sampler for the underwater sediments in the river and lake system, the bottom opening of the sampling tube 21 can be closed by the closing mechanism 22 after sampling is finished, specifically, when the sampling tube 21 is in the initial position (the sampling unit 2 does not extend into the area to be sampled) and the electromagnet 223 is electrified, the elastic piece 222 is in a compressed state, and the baffle 221 opens the opening; after the sampling unit 2 is inserted into the area to be sampled and reaches a predetermined depth, the electromagnet 223 is powered off, the elastic member 222 is in an extended state, the baffle 221 and the stopper 224 are attached to seal the opening, and in the process of lifting the sampling tube 21, shallow soft sediments in the sampling tube 21 are attached to the baffle 221 and the stopper 224 under the action of gravity, so that the opening is sealed more stably, the integrity of a sample can be effectively maintained, the sample cannot be lost, and the detection work of the later shallow soft sediments cannot be influenced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.
Claims (10)
1. A sampler for underwater sediments in a river and lake system is characterized by comprising a driving unit and a sampling unit fixedly connected with the movable end of the driving unit, wherein the driving unit is used for driving the sampling unit to move so that the sampling unit can extend into an area to be sampled for sampling;
the sampling unit comprises a sampling tube and a closing mechanism, wherein a sampling space is formed inside the sampling tube, one end of the sampling tube is opened, the closing mechanism comprises a baffle plate which is rotatably connected with the inner wall of the sampling tube close to the opening, an elastic piece arranged between the baffle plate and the sampling tube, an electromagnet arranged on the inner wall of the sampling tube corresponding to the baffle plate, and a stop block arranged on the inner wall of the sampling tube corresponding to the opening; when the sampling tube is at the initial position and the electromagnet is electrified, the elastic piece is in a compressed state, and the baffle plate opens the opening; when the sampling unit extends into the area to be sampled and reaches a preset depth and the electromagnet is powered off, the elastic piece is in an extended state, and the baffle is attached to the stop block to seal the opening.
2. The sampler of claim 1, wherein the driving unit comprises a telescopic member and a driving member, the telescopic end of the telescopic member is fixedly connected with the driving member, the movable end of the driving member is fixedly connected with the sampling unit, the telescopic member is used for pushing the driving member to move together with the sampling unit, and the driving member is used for driving the sampling unit to rotate.
3. The sampler for underwater sediments in river and lake systems of claim 2, wherein the sampler for underwater sediments in river and lake systems further comprises a supporting unit and a transmission unit;
the supporting unit comprises a supporting body with an accommodating cavity formed inside and a plurality of supporting legs arranged at the bottom of the supporting body;
the transmission unit comprises a motor fixedly arranged on the support body, a first gear fixedly connected with a rotating shaft of the motor, a second gear connected with the first gear in a matching way, a third gear connected with the second gear through a rotating shaft, and a sleeve in gear transmission with the third gear, wherein the sleeve is provided with teeth matched with the third gear, the first gear, the second gear and the third gear are all positioned in an accommodating cavity of the support body, the second gear and the third gear are all rotatably connected with the support body, the sleeve is sleeved on the outer side of the sampling unit, and the sleeve penetrates through the support body;
the motor is used for driving the sleeve to move relative to the supporting body, so that the sleeve drives the sampling unit to move along with the sleeve.
4. The sampler of claim 3, wherein the bottom of each of the legs is provided with an anti-sinking pad, the anti-sinking pad is provided with a plurality of fixing cones, the bottom of the anti-sinking pad is provided with a plurality of anti-slip nails, and the fixing cones are used for extending into and fixing with the area to be sampled.
5. The sampler of claim 4, wherein the legs are each fixedly connected to the support body via a hydraulic shock-absorbing mount.
6. A sampler for underwater sediments in river and lake systems according to claim 5, wherein said legs are provided with four.
7. The sampler of claim 6, wherein the anti-sinking pads are four, and the four legs are respectively disposed corresponding to the four anti-sinking pads.
8. The sampler of claim 7, wherein the bottom of each of the four anti-settling pads is provided with a fixed cone.
9. The sampler of claim 8, wherein nine anti-skid nails are respectively arranged at the bottoms of the four anti-settling pads.
10. The sampler of claim 9, wherein the anti-slip nail is screwed with the bottom of the anti-sinking pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110763795.1A CN113607464A (en) | 2021-07-06 | 2021-07-06 | Sampler for underwater sediments in river and lake system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110763795.1A CN113607464A (en) | 2021-07-06 | 2021-07-06 | Sampler for underwater sediments in river and lake system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479853A (en) * | 2023-06-20 | 2023-07-25 | 河南科平工程检测咨询有限公司 | Underwater pile foundation construction soil quality detection device |
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