CN108072537B - Lever type sediment sampling device - Google Patents
Lever type sediment sampling device Download PDFInfo
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- CN108072537B CN108072537B CN201810046747.9A CN201810046747A CN108072537B CN 108072537 B CN108072537 B CN 108072537B CN 201810046747 A CN201810046747 A CN 201810046747A CN 108072537 B CN108072537 B CN 108072537B
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- 238000005070 sampling Methods 0.000 title claims abstract description 136
- 239000013049 sediment Substances 0.000 title claims abstract description 64
- 238000010030 laminating Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 47
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 47
- 241001330002 Bambuseae Species 0.000 abstract description 47
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 47
- 239000011425 bamboo Substances 0.000 abstract description 47
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000284 extract Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a sampling device, in particular to a lever type sediment sampling device. Including a tripod, urceolus, last storage appearance section of thick bamboo, sliding part, top cap, sampling tube, lower storage appearance section of thick bamboo, curved connecting rod, lever, bottom plate, locating plate, go up storage appearance section of thick bamboo and include third half section of thick bamboo, fourth half section of thick bamboo, first screw, lower storage appearance section of thick bamboo includes first half section of thick bamboo, second screw, the top cap is detained on last storage appearance section of thick bamboo, the urceolus passes through threaded connection with last storage appearance section of thick bamboo, the lower extreme of going up storage appearance section of thick bamboo and the upper end threaded connection of lower storage appearance section of thick bamboo, the lower extreme of lower storage appearance section of thick bamboo and the upper end threaded connection of sampling tube, the one end and the sliding part threaded connection of curved connecting rod, the other end and lever threaded connection, lever and sampling tube are with rotatable mode connection. The beneficial effects are that: simple structure, convenient operation carry out the back cover to the lower extreme of sampling tube before sampling device extracts from the deposit, effectively avoid deposit sample to run off.
Description
Technical Field
The invention relates to a sampling device, in particular to a lever type sediment sampling device.
Background
Lake core sediment, submarine sediment and the like are of great significance for revealing environmental changes, sediment processes, pollutant migration and the like, sources of pollution sources can be tracked through the sediment, environmental change rules, influences of compositions of aquatic animals and plants in an aquatic ecological system and the environment on animal and plant distribution conditions and the like are revealed, so that research on the sediment is crucial, and performance of the sediment sampling device plays a crucial role in quality of sediment sample collection. At present, sediment sampling devices are mainly divided into two types, namely a grab bucket type sampling device and a column type sampling device, the grab bucket type sampling device has a simple structure, but has large disturbance on a sample, limited sampling depth and the problem of sample loss caused by low tightness, and is generally used for collecting surface samples of sediment; the structure of the general columnar sampling device is complex, the vacuum pump and the pressure pump are usually adopted to collect samples, when the sampling device is pulled out, the pressure pump is used for expanding rubber to seal the bottom end of the sampling tube, but the device has more components, larger volume, needs an external power supply and is more expensive; the columnar sampling device with a part of simple structure is generally lack of an effective sediment sealing device at the bottom of the sampling tube, so that loose sediment has obvious sample loss problem when the sampling device is pulled out, and therefore, the sediment sampling device with a simple structure and convenient operation is needed, and sediment loss can be effectively avoided.
Disclosure of Invention
The invention aims to solve the problems, and provides a lever type sediment sampling device which is simple in structure and convenient to operate, and the lower end of a sampling tube is sealed before the sampling device is pulled out of sediment, so that sediment samples are effectively prevented from being lost, and the technical scheme adopted by the invention is as follows:
the utility model provides a lever deposit sampling device, includes a tripod, urceolus, goes up a storage section of thick bamboo, sliding part, top cap, sampling tube, down store up a section of thick bamboo, curved connecting rod, lever, support bottom plate, locating plate, go up a storage section of thick bamboo and include third half section of thick bamboo, fourth half section of thick bamboo, first screw connection is used to the laminating of third half section of thick bamboo and fourth half section of thick bamboo, down store up a section of thick bamboo and include first half section of thick bamboo, second screw, first half section of thick bamboo and second half section of thick bamboo laminating and use second screw connection, the top cap is detained on a storage section of thick bamboo, sliding part cover is on the outer wall of an upper storage section of thick bamboo, the urceolus passes through threaded connection with an upper storage section of thick bamboo, the urceolus inserts in the tripod, the lower extreme threaded connection of an upper storage section of thick bamboo down store up the lower extreme of thick bamboo, the lower extreme of a storage section of thick bamboo and the upper end threaded connection of thick bamboo, the one end and sliding part threaded connection, the other end and threaded connection are with the lever, the lever is rotatable bottom plate that is the bottom plate that the bottom plate is held in the palm, six the bottom plates that the bottom plate is formed with the round support bottom plate that the adjacent one end of the round support is mutually, the round support bottom plate is formed with the round hole, one side, the round support bottom plate that the round surface is close to the round support is mutually, the round support is formed with the round hole, one end face of the round support plate that is adjacent to the round bottom plate, the round support, the round bottom plate that is matched with the bottom plate.
Preferably, the triangular bracket comprises a first bracket, a second bracket, a third bracket, a first supporting plate, a second supporting plate and a third supporting plate, wherein the structures and the sizes of the first bracket, the second bracket and the third bracket are the same, the structures and the sizes of the first supporting plate, the second supporting plate and the third supporting plate are the same, the lower end of the first bracket is inserted into the second bracket, the lower end of the second bracket is inserted into the third bracket, and the first supporting plate, the second supporting plate and the third supporting plate are respectively welded on three corners of the third bracket.
Preferably, the third support comprises a triangular prism, a triangular groove and a third support main body, wherein three triangular grooves are formed in the upper end of the third support main body, three triangular prisms are arranged at the lower end of the third support main body, the cross section shapes and the sizes of the triangular prisms are the same as those of the triangular grooves, the triangular prism at the lower end of the first support is inserted into the triangular groove at the upper end of the second support, and the triangular prism at the lower end of the second support is inserted into the triangular groove at the upper end of the third support.
Preferably, the outer cylinder comprises an outer cylinder main body, an outer cylinder connecting part, an outer cylinder thick cylinder, an outer cylinder stop block, an outer cylinder thin cylinder and an outer cylinder through hole, wherein the upper end of the outer cylinder main body is fixedly connected with the outer cylinder connecting part, the upper end of the outer cylinder connecting part is fixedly connected with the outer cylinder thick cylinder, two outer cylinder thick cylinders are arranged, two outer cylinder thin cylinders are arranged, six outer cylinder through holes are uniformly distributed on the outer cylinder connecting part, the lower end of the outer cylinder stop block is fixedly connected with the outer cylinder thin cylinder, the outer cylinder thin cylinder is fixedly connected with the outer cylinder thick cylinder, and an internal thread is arranged on the outer cylinder connecting part.
Preferably, the sampling tube comprises sampling tube threads, a sampling tube ring, a first through hole, a sampling tube main body, sampling tube through holes, supporting rods, supporting rings and round corners, wherein the sampling tube threads are arranged at the upper end of the sampling tube main body, the sampling tube ring is fixedly connected to the outer wall of the sampling tube main body, six sampling tube through holes are uniformly distributed in the sampling tube main body, the supporting rods are fixedly connected to the hole wall of each sampling tube through hole, six first through holes are uniformly distributed in the sampling tube ring, the supporting rings are arranged on the inner wall of the sampling tube main body, the round corners are arranged at the joint of the supporting rings and the sampling tube main body, the lower end face of the supporting bottom plate is attached to the upper end face of the supporting rings, and the lower end of the sampling tube main body is pointed.
Preferably, the lever comprises a sleeve, a first connecting rod and a second connecting rod, one end of the second connecting rod is provided with threads, the other end of the second connecting rod is fixedly connected with the sleeve, one end of the first connecting rod is fixedly connected with the sleeve, the sleeve is sleeved on the supporting rod, one end of the second connecting rod provided with threads is in threaded connection with the bent connecting rod, and one end of the first connecting rod, which is far away from the sleeve, is in interference fit with a round hole on the outer circular surface of the supporting bottom plate.
Preferably, the top cap includes antiskid cover, handle, top cap cylinder, top cap main part, fan-shaped arch, link firmly two handles that set up relatively on the outer cylinder of top cap main part, be equipped with the antiskid cover on hand, the antiskid cover adopts the rubber material, the round hole has been opened to the lower extreme of top cap main part, the top cap cylinder links firmly on the hole bottom surface of top cap main part lower extreme round hole, three fan-shaped archs of equipartition on the hole bottom surface of top cap main part lower extreme round hole, fan-shaped bellied central angle is 75.
Preferably, be equipped with three fan-shaped recess on the last appearance section of thick bamboo, fan-shaped recess's central angle equals with fan-shaped bellied central angle, fan-shaped recess cooperates with fan-shaped protruding on the top, the third half section of thick bamboo includes third half section of thick bamboo main part, A side, C side, third external screw thread, third screw hole, third internal thread, the fourth half section of thick bamboo includes D side, fourth half section of thick bamboo main part, B side, fourth external screw thread, fourth screw hole, fourth internal thread, be equipped with ten third screw holes 305 on the third half section of thick bamboo main part, be equipped with ten fourth screw holes on the fourth half section of thick bamboo main part, the A side in the third half section of thick bamboo main part is laminated with the B side in the fourth half section of thick bamboo main part, the C side in the third half section of thick bamboo main part is laminated with the D side in the fourth half section of thick bamboo main part, first screw in proper order screw into fourth screw hole and third external screw thread and third half section of thick bamboo be in the same place, be equipped with third external screw thread, third half section of thick bamboo external screw thread, fourth external screw thread and fourth external screw thread, fourth section of thick bamboo is equipped with the fourth external screw thread, fourth external screw thread and fourth section of thick bamboo, fourth external screw thread and fourth external screw thread section of thick bamboo, third half section of thick bamboo main part is equipped with fourth external screw thread.
Preferably, the first half cylinder comprises a first external thread, a first semicircle ring, a second through hole, a first half cylinder main body, an E side surface, a first threaded hole, a G side surface and a first internal thread, the second half cylinder comprises a second external thread, a second semicircle ring, a third through hole, a second half cylinder main body, an F side surface, a second threaded hole, an H side surface and a second internal thread, eight first threaded holes are arranged on the first half cylinder main body, eight second threaded holes are arranged on the second half cylinder main body, the E side surface on the first half cylinder main body is jointed with the F side surface on the second half cylinder main body, the G side surface on the first half cylinder main body is jointed with the H side surface on the second half cylinder main body, the second screw is screwed into the second threaded hole and the first threaded hole in sequence to fix the first half cylinder and the second half cylinder together, and the first threaded hole is not the through hole, the second threaded hole is a stepped through hole, after the second screw is screwed into the second threaded hole and the first threaded hole, the thread sections of the second screw are all positioned in the second threaded hole and the first threaded hole, the non-thread sections are all positioned in the second threaded hole, the upper end of the first half cylinder main body is provided with a first external thread, the lower end of the first half cylinder main body is provided with a first internal thread, the upper end of the second half cylinder is provided with a second external thread, the lower end of the second half cylinder main body is provided with a second internal thread, the first external thread and the second external thread form complete threads to be matched with threads formed by the fourth internal thread and the third internal thread, the complete threads formed by the first internal thread and the second internal thread are matched with threads of the sampling cylinder, three second through holes are arranged on the first half cylinder main body, three third through holes are arranged on the second half cylinder main body, the first half cylinder main body is fixedly connected on the outer wall, the second semicircular ring is fixedly connected to the second half cylinder main body.
Preferably, the sliding part comprises a sliding ring, a small baffle column and a long rod, the sliding ring is sleeved on the outer wall of the upper sample storage cylinder and can slide up and down along the outer wall of the upper sample storage cylinder, six small through holes are uniformly distributed on the sliding ring, the upper end of the long rod is inserted into the small through holes on the sliding ring and fixedly connected with the sliding ring, the lower end face of the small baffle column is fixedly connected with the upper end face of the long rod, the lower end of the long rod is provided with threads, the long rod is provided with six long rods, the lower ends of three long rods 403 sequentially penetrate through the outer cylinder through holes, the second through holes, the first through holes and the bent connecting rod through threads, and the lower ends of the three long rods sequentially penetrate through the outer cylinder through holes, the third through holes, the first through holes and the bent connecting rod through threads.
Preferably, the locating plate comprises locating clamping grooves, locating plate main bodies and locating plate through holes, the locating plates are six, one ends of the locating plate main bodies are provided with the locating clamping grooves, the other ends of the locating plate main bodies are provided with the locating plate through holes, the locating plate through holes are connected with the long rods in a rotatable mode, and the locating clamping grooves are clamped on the thin cylinder of the outer cylinder close to the outer cylinder stop block.
The invention has the following advantages:
(1) The upper sample storage cylinder is formed by connecting a third half cylinder and a fourth half cylinder through a first screw, the lower sample storage cylinder is formed by connecting a first half cylinder and a second half cylinder through a second screw, sediment samples can be obtained only by respectively disassembling the third half cylinder and the fourth half cylinder as well as the first half cylinder and the second half cylinder, an ejection device is not needed, and the operation is simple and convenient;
(2) The triangular bracket can enable the upper sample storage cylinder, the sampling cylinder, the lower sample storage cylinder and the like to be kept in a vertical state for sampling operation, a first support plate, a second support plate and a third support plate are arranged on the triangular bracket, and an operator can step on the first support plate, the second support plate and the third support plate to prevent feet from sinking into sediment;
(3) The structure is simple, the operation is convenient, before the sampling device is pulled out of sediment, the long rod sliding upwards is driven by the bent connecting rod to rotate through the lifting sliding part, the lever drives the tip end of the supporting bottom plate to rotate, and finally the six supporting bottom plates are spliced into a whole circular plate again to seal the bottom of the sampling tube, so that the bottom of a sediment sample is supported by the six supporting bottom plates, and the problem of sample loss in the lifting process of the sampling device can be effectively avoided;
(4) The lower end of the first support on the triangular support is inserted into the second support, and the lower end of the second support is inserted into the third support, so that the number of the first support, the second support and the third support can be increased as required to change the height of the triangular support.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1: the invention relates to an overall structure schematic diagram of a lever type sediment sampling device;
fig. 2: the invention relates to a structure schematic diagram of an outer barrel of a lever type sediment sampling device;
fig. 3: the invention relates to an inner structure schematic diagram of an outer cylinder of a lever type sediment sampling device;
fig. 4: the invention relates to a cross-sectional view of a lever type sediment sampling device;
fig. 5: the invention relates to an upper part cross-sectional view of a lever type sediment sampling device;
fig. 6: the invention relates to a lower part cross-sectional view of a lever type sediment sampling device;
fig. 7: the invention relates to a sampling tube internal structure schematic diagram of a lever type sediment sampling device;
fig. 8: the invention relates to a structure schematic diagram of a bent connecting rod of a lever type sediment sampling device;
fig. 9: the invention relates to a structure schematic diagram of a sliding part of a lever type sediment sampling device;
fig. 10: the invention relates to a cross section of a sliding part of a lever type sediment sampling device;
fig. 11: the invention relates to a sliding part structure schematic diagram of a lever type sediment sampling device;
fig. 12: the invention relates to an outer barrel structure schematic diagram of a lever type sediment sampling device;
fig. 13: the invention relates to a positioning plate structure schematic diagram of a lever type sediment sampling device;
fig. 14: the invention relates to a triangular bracket structure schematic diagram of a lever type sediment sampling device;
fig. 15: the invention relates to a third bracket structure schematic diagram of a lever type sediment sampling device;
fig. 16: the invention relates to a first support plate structure schematic diagram of a lever type sediment sampling device;
fig. 17: the invention relates to a sampling tube structure schematic diagram of a lever type sediment sampling device;
fig. 18: the invention relates to a cross section of a sampling tube of a lever type sediment sampling device;
fig. 19: the invention relates to a lever structure schematic diagram of a lever type sediment sampling device;
fig. 20: the invention relates to a top cover structure schematic diagram of a lever type sediment sampling device;
fig. 21: the invention relates to a first structural schematic diagram of an upper sample storage cylinder of a lever type sediment sampling device;
fig. 22: the invention relates to a second structural schematic diagram of an upper sample storage cylinder of a lever type sediment sampling device;
fig. 23: the invention relates to a third half-cylinder structure schematic diagram of a lever type sediment sampling device;
fig. 24: the invention relates to a fourth half-cylinder structure schematic diagram of a lever type sediment sampling device;
fig. 25: the invention relates to a first structural schematic diagram of a lower sample storage cylinder of a lever type sediment sampling device;
fig. 26: the invention relates to a second structural schematic diagram of a lower sample storage cylinder of a lever type sediment sampling device;
fig. 27: the invention relates to a second half-cylinder structure schematic diagram of a lever type sediment sampling device;
fig. 28: the invention discloses a first half-cylinder structure schematic diagram of a lever type sediment sampling device.
Symbol description:
1. a tripod, 2, an outer cylinder, 3, a third half cylinder, 4, a sliding part, 5, a fourth half cylinder, 6, a top cover, 7, a sampling cylinder, 8, a first half cylinder, 9, a second half cylinder, 10, a bent link, 11, a lever, 12, a bottom supporting plate, 13, a positioning plate, 14, a triangular column, 15, a triangular groove, 16, a first screw, 17, a sector groove, 18, a third bracket main body, 19, a second screw, 101, a first bracket, 102, a second bracket, 103, a third bracket, 104, a first supporting plate, 105, a second supporting plate, 106, a third supporting plate, 201, an outer cylinder main body, 202, an outer cylinder connecting part, 203, an outer cylinder thick cylinder, 204, an outer cylinder stopper, 205, an outer cylinder thin cylinder, 206, an outer cylinder through hole, 301, a third half cylinder main body, 302, an a side surface, 303, a C side surface, 304, a third external screw, 305, a third internal screw, 401, a sliding ring, 402, small stop post, 403, long rod, 501, D-side, 502, fourth half cylinder body, 503, B-side, 504, fourth external thread, 505, fourth threaded hole, 506, fourth internal thread, 601, slip cap, 602, handle, 603, cap cylinder, 604, cap body, 605, fan-shaped protrusion, 701, sample cylinder thread, 702, sample cylinder ring, 703, first through hole, 704, sample cylinder body, 705, sample cylinder through hole, 706, strut, 707, support ring, 708, rounded corner, 801, first external thread, 802, first semicircle ring, 803, second through hole, 804, first half cylinder body, 805, E-side, 806, first threaded hole, 807, G-side, 808, first internal thread, 901, second external thread, 902, second semicircle ring, 903, third through hole, 904, second half cylinder body, 905, F-side, 906, second threaded hole, 907, H side 908, second internal thread, 111, sleeve, 112, first connecting rod, 113, second connecting rod, 131, positioning slot, 132, positioning plate main body, 133, positioning plate through hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is further illustrated by the following figures and examples:
as shown in figures 1-10, the lever type sediment sampling device comprises an A-frame 1, an outer cylinder 2, an upper sample storage cylinder, a sliding part 4, a top cover 6, a sampling cylinder 7, a lower sample storage cylinder, a bent connecting rod 10, a lever 11, a supporting base plate 12 and a positioning plate 13, wherein the upper sample storage cylinder comprises a third half cylinder 3, a fourth half cylinder 5 and a first screw 16, the third half cylinder 3 and the fourth half cylinder 5 are jointed and connected by the first screw 16, the lower sample storage cylinder comprises a first half cylinder 8, a second half cylinder 9 and a second screw 19, the first half cylinder 8 and the second half cylinder 9 are jointed and connected by the second screw 19, the top cover 6 is buckled on the upper sample storage cylinder, the sliding part 4 is sleeved on the outer wall of the upper sample storage cylinder, the outer cylinder 2 is connected with the upper sample storage cylinder by threads, the outer cylinder 2 is inserted into the A-frame 1, the lower end of the upper sample storage cylinder is connected with the upper end of the lower sample storage cylinder by threads, the lower end of the lower sample storage cylinder is connected with the upper end of the lever 7 by the first screw 16, the lower end of the lower sample storage cylinder is in an interference fit manner with the supporting base plate 12, the other end face of the supporting base plate 12 is in a round hole 12 is formed by the mode of the sliding part 12, the round hole 12 is formed by the round bottom plate 12, the round end face of the bottom plate 12 is in the round hole 12 is matched with the round bottom plate 12, the round bottom plate 12 is matched with the other end face of the round bottom plate 12, the round hole is formed by the round bottom plate 12 is connected by the round hole 12, and the round bottom plate 12 is matched with the round hole 12, the round hole is connected by the round top cover 12.
As shown in fig. 14 to 16, the tripod 1 includes a first support 101, a second support 102, a third support 103, a first support plate 104, a second support plate 105, and a third support plate 106, the first support 101, the second support 102, and the third support plate 103 have the same structure and size, the first support plate 104, the second support plate 105, and the third support plate 106 have the same structure and size, the lower end of the first support 101 is inserted into the second support 102, the lower end of the second support 102 is inserted into the third support 103, and the first support plate 104, the second support plate 105, and the third support plate 106 are welded to three corners of the third support 103, respectively.
As shown in fig. 15, the third support 103 includes a triangular pillar 14, a triangular groove 15, and a third support body 18, where three triangular grooves 15 are opened at the upper end of the third support body 18, three triangular pillars 14 are provided at the lower end of the third support body, the triangular pillars 14 and the triangular grooves 15 have the same cross-sectional shape and size, the triangular pillar at the lower end of the first support 101 is inserted into the triangular groove at the upper end of the second support 102, and the triangular pillar at the lower end of the second support 102 is inserted into the triangular groove 15 at the upper end of the third support 103.
As shown in fig. 12, the outer cylinder 2 includes an outer cylinder main body 201, an outer cylinder connecting portion 202, an outer cylinder thick cylinder 203, an outer cylinder stopper 204, an outer cylinder thin cylinder 205, and an outer cylinder through hole 206, wherein the upper end of the outer cylinder main body 201 is fixedly connected with the outer cylinder connecting portion 202, the upper end of the outer cylinder connecting portion 202 is fixedly connected with the outer cylinder thick cylinder 203, two outer cylinder thick cylinders 203 are provided, two outer cylinder thin cylinders 205 are provided, six outer cylinder through holes 206 are uniformly distributed on the outer cylinder connecting portion 202, the lower end of the outer cylinder stopper 204 is fixedly connected with the outer cylinder thin cylinder 205, the outer cylinder thin cylinder 205 is fixedly connected with the outer cylinder thick cylinder 203, and an inner thread is provided on the outer cylinder connecting portion 202.
As shown in fig. 17 and 18, the sampling tube 7 includes a sampling tube thread 701, a sampling tube ring 702, a first through hole 703, a sampling tube main body 704, a sampling tube through hole 705, a supporting rod 706, a supporting ring 707, and a round corner 708, the upper end of the sampling tube main body 704 is provided with the sampling tube thread 701, the sampling tube ring 702 is fixedly connected to the outer wall of the sampling tube main body 704, six sampling tube through holes 705 are uniformly distributed on the sampling tube main body 704, supporting rods 706 are fixedly connected to the hole wall of each sampling tube through hole 705, six first through holes 703 are uniformly distributed on the sampling tube ring 702, the supporting ring is arranged on the inner wall of the sampling tube main body 704, the joint of the supporting ring 707 and the sampling tube main body 704 is provided with the round corner 708, the lower end surface of the supporting plate 12 is attached to the upper end surface of the supporting ring 707, and the lower end of the sampling tube main body 704 is a tip.
As shown in fig. 19, the lever 11 includes a sleeve 111, a first connecting rod 112, and a second connecting rod 113, one end of the second connecting rod 113 is provided with a thread, the other end is fixedly connected with the sleeve 111, one end of the first connecting rod 112 is fixedly connected with the sleeve 111, the sleeve 111 is sleeved on the supporting rod 706, one end of the second connecting rod 113 provided with the thread is in threaded connection with the bent connecting rod 10, and one end of the first connecting rod 112 far away from the sleeve 111 is in interference fit with a round hole on the outer circular surface of the bottom plate 12.
As shown in fig. 20, the top cover 6 includes an anti-slip cover 601, a handle 602, a top cover cylinder 603, a top cover main body 604 and fan-shaped protrusions 605, two handles 602 which are oppositely arranged are fixedly connected to the outer cylindrical surface of the top cover main body 604, the handle 602 is provided with the anti-slip cover 601, the anti-slip cover 601 is made of rubber, the lower end of the top cover main body 604 is provided with a round hole, the top cover cylinder 603 is fixedly connected to the bottom surface of the round hole at the lower end of the top cover main body 604, three fan-shaped protrusions 605 are uniformly distributed on the bottom surface of the round hole at the lower end of the top cover main body 604, and the central angle of the fan-shaped protrusions 605 is 75 °.
As shown in fig. 21 to 24, the sample loading and storing barrel is provided with three fan-shaped grooves 17, the central angle of the fan-shaped grooves 17 is equal to the central angle of the fan-shaped protrusions 605, the fan-shaped grooves 17 are matched with the fan-shaped protrusions 605 on the top cover 6, the third half barrel 3 comprises a third half barrel body 301, an a side surface 302, a C side surface 303, a third external thread 304, a third threaded hole 305 and a third internal thread 306, the fourth half barrel 5 comprises a D side surface 501, a fourth half barrel body 502, a B side surface 503, a fourth external thread 504, a fourth threaded hole 505 and a fourth internal thread 506, the third half barrel body 301 is provided with ten third threaded holes 305, the fourth half barrel body 502 is provided with ten fourth threaded holes 505, the a side surface 302 on the third half barrel body 301 is matched with the B side surface 503 on the fourth half barrel body 502, the C side surface 303 on the third half barrel body 301 is matched with the D side surface 501 on the fourth half barrel body 502, the first screw 16 is screwed into the fourth threaded hole 505 and the third threaded hole 305 in turn to fix the third half cylinder 3 and the fourth half cylinder 5 together, the outer circular surface of the third half cylinder main body 301 is provided with a third external thread 304, the lower end of the third half cylinder main body 301 is provided with a third internal thread 306, the outer circular surface of the fourth half cylinder main body 502 is provided with a fourth external thread 504, the fourth external thread 504 and the third external thread 304 form a complete thread to be matched with the internal thread on the outer cylinder connecting part 202, the lower end of the fourth half cylinder main body 502 is provided with a fourth internal thread 506, the fourth internal thread 506 and the third internal thread 306 form a complete thread, the third threaded hole 305 is not a through hole, the fourth threaded hole 505 is a stepped through hole, after the first screw 16 is screwed into the fourth threaded hole 505 and the third threaded hole 305, the threaded sections of the first screw 16 are all located within the third threaded bore 305 and the fourth threaded bore 505, and the unthreaded sections are all located within the fourth threaded bore 505.
As shown in fig. 25 to 28, the first half cylinder 8 includes a first external thread 801, a first semicircular ring 802, a second through hole 803, a first half cylinder body 804, an E-side surface 805, a first threaded hole 806, a G-side surface 807, and a first internal thread 808, the second half cylinder 9 includes a second external thread 901, a second semicircular ring 902, a third through hole 903, a second half cylinder body 904, an F-side surface 905, a second threaded hole 906, an H-side surface 907, and a second internal thread 908, eight first threaded holes 806 are provided in the first half cylinder body 804, eight second threaded holes 906 are provided in the second half cylinder body 904, the E-side surface 805 in the first half cylinder body 804 is bonded to the F-side surface 905 in the second half cylinder body 904, the G-side surface 807 in the first half cylinder body 804 is bonded to the H-side surface 907 in the second half cylinder body 904, the second screw 19 is screwed into the second screw hole 906 and the first screw hole 806 in turn to fix the first half cylinder 8 and the second half cylinder 9 together, the first screw hole 806 is not a through hole, the second screw hole 906 is a stepped through hole, after the second screw 19 is screwed into the second screw hole 906 and the first screw hole 806, the thread sections of the second screw 19 are all positioned in the second screw hole 906 and the first screw hole 806, the non-thread sections are all positioned in the second screw hole 906, the upper end of the first half cylinder main body 804 is provided with a first external thread 801, the lower end is provided with a first internal thread 808, the upper end of the second half cylinder 9 is provided with a second external thread 901, the lower end is provided with a second internal thread 908, the first external thread 801 and the second external thread 901 form complete threads to be matched with threads formed by the fourth internal thread 506 and the third internal thread 306, the complete threads formed by the first internal thread 808 and the second internal thread 908 are matched with the threads of the sampling cylinder, the first semicircular ring 802 is provided with three second through holes 803, the second semicircular ring 902 is provided with three third through holes 903, the first semicircular ring 802 is fixedly connected to the outer wall of the first semicircular cylinder body 804, and the second semicircular ring 902 is fixedly connected to the second semicircular cylinder body 904.
As shown in fig. 2, 3 and 11, the sliding portion 4 includes a sliding ring 401, a small baffle column 402 and a long rod 403, the sliding ring 401 is sleeved on the outer wall of the upper sample storage barrel and can slide up and down along the outer wall of the upper sample storage barrel, six small through holes are uniformly distributed on the sliding ring 401, the upper end of the long rod 403 is inserted into the small through holes on the sliding ring 401 and fixedly connected with the sliding ring 401, the lower end face of the small baffle column 402 is fixedly connected with the upper end face of the long rod 403, the lower end of the long rod 403 is provided with threads, six long rods 403 are arranged, the lower ends of three long rods 403 sequentially penetrate through the outer barrel through holes 206, the second through holes 703 and the first through holes 703 to be in threaded connection with the bent connecting rod 10, and the lower ends of the other three long rods 403 sequentially penetrate through the outer barrel through holes 206, the third through holes 903 and the first through holes 703 to be in threaded connection with the bent connecting rod 10.
As shown in fig. 13, the positioning plate 13 includes positioning slots 131, a positioning plate main body 132, and positioning plate through holes 133, six positioning plates 13 are provided, one end of the positioning plate main body 132 is provided with the positioning slots 131, the other end is provided with the positioning plate through holes 133, the positioning plate through holes 133 are rotatably connected with the long rod 403, the small baffle column 402 can prevent the positioning plate 13 from sliding out of the long rod 403, the positioning slots 131 are clamped on the outer cylinder thin cylinder 205 close to the outer cylinder stopper 204, so that the sliding part 4 cannot slide along the outer wall of the upper sample storage cylinder, and the relative position of the sliding part 4 and the outer cylinder 2 is determined.
As shown in fig. 1 to 28, when the invention is used, the lower end of the third support 103 of the tripod 1 is inserted into sediment until the lower end surfaces of the first support plate 104, the second support plate 105 and the third support plate 106 are in contact with the surface of the sediment, an operator can step on one end of the first support plate 104, the second support plate 105 and the third support plate 106 to prevent feet from sinking into the sediment, the positioning plate 13 is rotated to enable the positioning clamping groove 131 to be separated from the thin cylinder 205 of the outer cylinder close to the stop 204 of the outer cylinder, the sliding part 4 is pressed down to enable the sliding ring 401 to slide downwards along the outer wall of the upper sample storage cylinder, meanwhile, the long rod 403 slides downwards along the through hole 206 of the outer cylinder, the second through hole 803, the third through hole 903 and the first through hole 703, the long rod 403 which slides downwards drives the lever 11 to rotate through the bent connecting rod 10, so that one end of the second connecting rod 113 far away from the sleeve 111 rotates downwards, one end of the first connecting rod 112 rotates upwards, and simultaneously drives the tips of the bottom support plates 12 to rotate upwards, and the tips of the six bottom support plates 12 simultaneously rotate upwards, so that the middle of the six bottom support plates 12 form an opening, and the sliding ring 401 is formed along the outer cylinder and the lower end surface of the upper end surface of the sliding ring 202 is far from the cylindrical stop plate 12, and the top end surface of the upper end surface of the sliding ring 13 is far from the upper end surface of the cylindrical stop plate 12, and the end surface of the upper end plate 13 is far enough to be far from the end of the end opening of the upper end plate 13, and far down end of the end stop plate 12;
the outer cylinder 2 is inserted into the triangular bracket 1, downward pressure is applied above the top cover 6, the lower end of the sampling cylinder main body 704 is a tip, the sampling cylinder 7 is conveniently inserted into sediment, an obtained sediment sample firstly enters the sampling cylinder 7 through openings in the middle of the six bottom plates 12, and after the sampling cylinder 7 is filled with the sediment sample, the sediment sample continuously moves upwards to sequentially enter the lower sample storage cylinder and the upper sample storage cylinder along with the fact that the sampling cylinder 7 continues to extend into the sediment; before the sampling device is pulled out of the sediment, the positioning plate 13 is rotated to enable the positioning clamping groove 131 to be separated from the outer cylinder thin cylinder 205 far away from the outer cylinder stop block 204, the lifting sliding part 4 enables the sliding ring 401 to move upwards along the outer wall of the upper sample storage cylinder, meanwhile, the long rod 403 moves upwards along the outer cylinder through hole 206, the second through hole 803, the third through hole 903 and the first through hole 703, the long rod 403 sliding upwards drives the lever 11 to rotate through the bent connecting rod 10, finally the positioning clamping groove 131 is buckled on the outer cylinder thin cylinder 205 close to the outer cylinder stop block 204, at the moment, the six supporting bottom plates 12 are spliced into a whole circular plate again to seal the sampling cylinder 7, the bottoms of sediment samples are supported by the six supporting bottom plates 12, and the problem of sample loss in the lifting process of the sampling device is avoided.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. A lever type sediment sampling device, which is characterized in that: comprises a triangular bracket, an outer cylinder, an upper sample storage cylinder, a sliding part, a top cover, a sampling cylinder, a lower sample storage cylinder, a bent connecting rod, a lever, a bottom supporting plate and a positioning plate, wherein the upper sample storage cylinder comprises a third half cylinder, a fourth half cylinder and a first screw, the third half cylinder and the fourth half cylinder are jointed and connected by the first screw, the lower sample storage cylinder comprises a first half cylinder, a second half cylinder and a second screw, the first half cylinder and the second half cylinder are jointed and connected by the second screw, the top cover is buckled on the upper sample storage cylinder, the sliding part is sleeved on the outer wall of the upper sample storage cylinder, the outer cylinder is connected with the upper sample storage cylinder by screw threads, the outer cylinder is inserted into the triangular bracket, the lower end of the upper sample storage cylinder is connected with the upper end of the lower sample storage cylinder by screw threads, the lower end of the lower sample storage cylinder is connected with the upper end of the sampling cylinder by screw threads, one end of the bent connecting rod is connected with the sliding part by screw threads, the other end is in threaded connection with a lever, the lever is in rotatable connection with the sampling tube, the supporting bottom plates are in a sector shape and are one sixth of a full circle, the six supporting bottom plates are provided with six side surfaces of adjacent supporting bottom plates, the six supporting bottom plates form a full circle, the lower end surface of the supporting bottom plates are in fit with the sampling tube, a round hole is formed in the center of the outer circular surface of the supporting bottom plates, the lever is in interference fit with the round hole on the outer circular surface of the supporting bottom plates, one end of the positioning plate is in rotatable connection with the sliding part, the other end of the positioning plate is buckled on the outer cylinder, the triangular bracket comprises a first bracket, a second bracket, a third bracket, a first supporting plate, a second supporting plate and a third supporting plate, the structures and the sizes of the first bracket, the second bracket and the third bracket are identical, the structures and the sizes of the first supporting plate, the second supporting plate and the third supporting plate are identical, the lower end of the first support is inserted into the second support, the lower end of the second support is inserted into the third support, the first support plate, the second support plate and the third support plate are respectively welded on three corners of the third support, the third support comprises triangular columns, triangular grooves and a third support main body, three triangular grooves are formed in the upper end of the third support main body, three triangular columns are arranged at the lower end of the third support main body, the cross section shapes and the sizes of the triangular columns and the triangular grooves are the same, the triangular columns at the lower end of the first support are inserted into the triangular grooves at the upper end of the second support, and the triangular columns at the lower end of the second support are inserted into the triangular grooves at the upper end of the third support;
the outer cylinder comprises an outer cylinder main body, an outer cylinder connecting part, an outer cylinder thick cylinder, an outer cylinder stop block, an outer cylinder thin cylinder and an outer cylinder through hole, wherein the upper end of the outer cylinder main body is fixedly connected with the outer cylinder connecting part, the upper end of the outer cylinder connecting part is fixedly connected with the outer cylinder thick cylinder, two outer cylinder thick cylinders are arranged, two outer cylinder thin cylinders are arranged, six outer cylinder through holes are uniformly distributed on the outer cylinder connecting part, the lower end of the outer cylinder stop block is fixedly connected with the outer cylinder thin cylinder, the outer cylinder thin cylinder is fixedly connected with the outer cylinder thick cylinder, and the outer cylinder connecting part is provided with internal threads;
the utility model discloses a sampling tube, including the sampling tube screw thread, sampling tube ring, first through-hole, sampling tube main part, sampling tube through-hole, branch, holding ring, fillet, the upper end of sampling tube main part is equipped with the sampling tube screw thread, the sampling tube ring links firmly on the outer wall of sampling tube main part, six sampling tube through-holes of equipartition on the sampling tube main part, all link firmly the branch on the pore wall of every sampling tube through-hole, six first through-holes of equipartition on the sampling tube ring, be equipped with the holding ring on the inner wall of sampling tube main part, the junction of holding ring and sampling tube main part is equipped with the fillet, the lower terminal surface of backing plate and holding ring's up end laminating, the lower extreme of sampling tube main part is the pointed end.
2. A lever type deposit sampling device according to claim 1, characterized in that: the lever comprises a sleeve, a first connecting rod and a second connecting rod, wherein one end of the second connecting rod is provided with threads, the other end of the second connecting rod is fixedly connected with the sleeve, one end of the first connecting rod is fixedly connected with the sleeve, the sleeve is sleeved on the supporting rod, one end of the second connecting rod provided with threads is in threaded connection with the bent connecting rod, and one end of the first connecting rod, which is far away from the sleeve, is in interference fit with a round hole on the outer circular surface of the supporting bottom plate.
3. A lever type deposit sampling device according to claim 1, characterized in that: the top cap includes antiskid cover, handle, top cap cylinder, top cap main part, fan-shaped arch, link firmly two handles that set up relatively on the outer cylinder of top cap main part, be equipped with the antiskid cover on the handle, the antiskid cover adopts the rubber material, the round hole has been opened to the lower extreme of top cap main part, the top cap cylinder links firmly on the hole bottom surface of top cap main part lower extreme round hole, three fan-shaped archs of equipartition on the hole bottom surface of top cap main part lower extreme round hole, fan-shaped bellied central angle is 75.
4. A lever type deposit sampling device according to claim 1, characterized in that: the novel sample storage device is characterized in that the upper sample storage cylinder is provided with three fan-shaped grooves, the central angle of each fan-shaped groove is equal to the central angle of each fan-shaped protrusion, each fan-shaped groove is matched with the fan-shaped protrusion on the top cover, each third half cylinder comprises a third half cylinder body, a side surface A, a side surface C, a third external thread, a third threaded hole and a third internal thread, each fourth half cylinder comprises a side surface D, a side surface B, a fourth external thread, a fourth threaded hole and a fourth internal thread, ten third threaded holes 305 are formed in the third half cylinder body, ten fourth threaded holes are formed in the fourth half cylinder body, the side surface A of each third half cylinder body is matched with the side surface B of each fourth half cylinder body, the side surface C of each third half cylinder body is matched with the side surface D of each fourth half cylinder body, each first screw is screwed into the fourth threaded hole and the third half cylinder body in sequence, each third half cylinder body is provided with the third external thread on the outer circular surface of each third half cylinder body, each third half cylinder body is provided with the fourth external thread, each third half cylinder body is provided with the fourth internal thread, each third half cylinder body is provided with the fourth external thread section, and each fourth half cylinder is provided with the fourth external thread section is provided with the fourth external thread, and each fourth half cylinder is provided with the fourth thread section, and each fourth half cylinder is provided with the fourth screw.
5. A lever type deposit sampling device according to claim 1, characterized in that: the first half cylinder comprises a first external thread, a first half ring, a second through hole, a first half cylinder main body, an E side surface, a first threaded hole, a G side surface and a first internal thread, the second half cylinder comprises a second external thread, a second semicircular ring, a third through hole, a second half cylinder main body, an F side surface, a second threaded hole, an H side surface and a second internal thread, eight first threaded holes are arranged on the first half cylinder main body, eight second threaded holes are arranged on the second half cylinder main body, the E side surface on the first half cylinder main body is attached to the F side surface on the second half cylinder main body, the G side surface on the first half cylinder main body is attached to the H side surface on the second half cylinder main body, a second screw is screwed into the second threaded hole and the first threaded hole in sequence to fix the first half cylinder and the second half cylinder together, the first threaded hole is not a through hole, after the second screw is screwed into the second threaded hole and the first threaded hole, a thread section of the second screw is positioned in the second threaded hole and the second threaded hole, the second half cylinder main body is provided with eight second threaded holes, the second external thread section is positioned on the second threaded hole and the second half cylinder main body is in the second threaded hole and the second half cylinder main body is provided with the first external thread and the third external thread, the second half cylinder main body is provided with the first external thread and the second half cylinder is completely matched with the first external thread and the second half cylinder, the second semicircular ring is fixedly connected to the second half cylinder main body.
6. A lever type deposit sampling device according to claim 1, characterized in that: the locating plate comprises six locating clamping grooves, locating plate main bodies and locating plate through holes, one ends of the locating plate main bodies are provided with the locating clamping grooves, the other ends of the locating plate main bodies are provided with the locating plate through holes, the locating plate through holes are connected with the long rods in a rotatable mode, and the locating clamping grooves are clamped on the thin cylinder of the outer cylinder close to the outer cylinder stop block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810046747.9A CN108072537B (en) | 2018-01-18 | 2018-01-18 | Lever type sediment sampling device |
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| CN201810046747.9A CN108072537B (en) | 2018-01-18 | 2018-01-18 | Lever type sediment sampling device |
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| CN108535165A (en) * | 2018-06-05 | 2018-09-14 | 溧阳市联华机械制造有限公司 | A kind of moulding hardened sand permeability test test specimen tube |
| CN108535383B (en) * | 2018-06-15 | 2020-11-03 | 环境保护部南京环境科学研究所 | Method for determining 5 macrolide antibiotic residues in sediment sample |
| CN109883757B (en) * | 2019-02-28 | 2021-04-06 | 自然资源部第二海洋研究所 | Offshore marine water quality and sediment sampling structure and sampling method thereof |
| CN110714733B (en) * | 2019-11-04 | 2021-09-03 | 浙江工业职业技术学院 | Drilling machine and drilling machine with locking structure |
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