CN109163924B - Mud pulling and collecting device and mud collecting method using same - Google Patents
Mud pulling and collecting device and mud collecting method using same Download PDFInfo
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- CN109163924B CN109163924B CN201810763525.9A CN201810763525A CN109163924B CN 109163924 B CN109163924 B CN 109163924B CN 201810763525 A CN201810763525 A CN 201810763525A CN 109163924 B CN109163924 B CN 109163924B
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- 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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Abstract
The invention discloses a mud pulling and collecting device and a mud collecting method using the same, and aims to solve the problem that mud samples of a mud beach are inconvenient to collect. The device comprises a launching vehicle, a casting mechanism and a sampling scooter, wherein the launching vehicle is provided with an air storage tank and a launching barrel which is obliquely arranged, an air injection pipe is arranged between the air storage tank and the bottom of the launching barrel, and an electromagnetic valve is arranged on the air injection pipe; the projecting mechanism comprises a sealing column, a mounting seat and a counterweight head, the sealing column is hermetically inserted in the launching tube, the mounting seat is arranged between the sealing column and the counterweight head, two guide sleeves are mounted on the mounting seat, two fixed sleeves are mounted on the launching vehicle in one-to-one correspondence with the guide sleeves, and annular pull ropes are connected between the guide sleeves and the fixed sleeves. The method for collecting the mud flat mud sample greatly facilitates the collection of the mud flat mud sample and reduces the labor intensity of workers.
Description
Technical Field
The invention relates to a mud sample collecting technology, in particular to a mud pulling and collecting device and a mud collecting method using the same.
Background
In daily work, mud samples on a mud beach are often required to be collected for detection, and the current common collection method is that workers walk into the mud beach, dig the mud samples by using a shovel and then bring the mud samples back to the shore. The mud beach is soft, so that the workers are very inconvenient to walk, and the feet of the workers are difficult to pull out after falling into the mud beach, which brings great difficulty to sampling.
Disclosure of Invention
The invention overcomes the defect of inconvenient collection of mud samples of a mud beach, provides the mud pulling and collecting device and the mud collecting method using the device, greatly facilitates the collection of mud samples of the mud beach, and reduces the labor intensity of workers.
In order to solve the technical problems, the invention adopts the following technical scheme: a mud pulling and mining device comprises a launching vehicle, a projecting mechanism and a sampling scooter, wherein the launching vehicle is provided with an air storage tank and a launching barrel which are obliquely arranged; the projecting mechanism comprises a sealing column, a mounting seat and a counterweight head, the sealing column is hermetically inserted in the launching tube, the mounting seat is arranged between the sealing column and the counterweight head, two guide sleeves are mounted on the mounting seat, two fixed sleeves are mounted on the launching vehicle in one-to-one correspondence with the guide sleeves, and annular pull ropes are connected between the guide sleeves and the fixed sleeves; the launching vehicle is characterized in that a mounting seat is provided with a mounting cavity and a positioning hole which are mutually communicated, a pushing column is mounted in the positioning hole, the pushing column is connected with a driving rope towards a sealing column end, the driving rope is connected onto a launching vehicle, the outer wall of the pushing column is provided with an annular locking groove and an inclined guide surface, a plurality of connecting rods are uniformly hinged on the outer wall of the pushing column close to the small diameter end of the guide surface, a plurality of mounting sleeves arranged towards the pushing column are detachably mounted on the mounting seat, locking springs and locking rods matched with the locking grooves are mounted in the mounting sleeves, the end parts of the locking rods extend out of the mounting sleeves and abut against the upper small diameter end of the guide surface of the pushing column, avoidance grooves are formed in the outer wall of the mounting seat, a plurality of support plates are uniformly hinged on the side walls of the avoidance grooves close; two stay cords all are connected with the scooter of taking a sample, install the lifting piston cylinder on the scooter of taking a sample, connect the sample seat on the lifting piston cylinder telescopic link, install sampling mechanism on the sample seat, sampling mechanism includes the piston cylinder of taking a sample, the stop collar, two sample hoppers, the stop collar is established at the sample seat lower surface, the setting of sample piston cylinder telescopic link is in the stop collar, two sample hopper openings set up relatively and articulate on the telescopic link of piston cylinder of taking a sample, the laminating of sample hopper outer wall is at the stop collar lower extreme, the butt has return spring between two sample hopper upper ends.
When the mud pulling and mining device works, the launching vehicle reaches a designated position, the angle of the launching tube is adjusted, the electromagnetic valve is opened, and high-pressure air in the air storage tank is filled into the launching tube to throw the whole throwing mechanism outwards to a mud beach in an intertidal zone; before the projecting mechanism is injected into a mud beach, the driving rope is completely straightened, the pushing column is pulled backwards, the locking groove on the pushing column reaches the position of the locking rod, the locking rod is inserted into the locking groove under the action of the locking spring, the pushing column moves backwards to drive the connecting rod to operate, the connecting rod pushes the supporting plate outwards, the supporting plate is supported on the mud beach after the counterweight head is injected into the mud beach, the supporting area is increased, the stability of the counterweight head support is improved, and then the sampling scooter is connected to the two pull ropes; then pulling the two pull ropes by hands to pull the sampling scooter to a sampling position, then starting the lifting piston cylinder to drive the sampling seat to move downwards to enable the sampling hopper to be inserted into the mud beach, then stopping the lifting piston cylinder, starting the sampling piston cylinder, pulling the sampling hopper to move upwards by a telescopic rod of the sampling piston cylinder, enabling the outer wall of the sampling hopper to abut against the lower end of the limiting sleeve to enable the two sampling hoppers to rotate in a mutually approaching direction to capture the taken mud sample between the two sampling hoppers; then the sampling piston cylinder is stopped, the lifting piston cylinder is started, the telescopic rod of the lifting piston cylinder drives the sampling seat to move upwards, the sampling bucket is separated from the mud bank, and then the lifting piston cylinder is stopped; and finally, pulling the sampling scooter back by reversely pulling the pull rope, and then pulling the driving rope to recover the ejection mechanism. After the ejection mechanism is recovered, the mounting sleeve is detached, the supporting plate is returned back to the rotary moving position, and after the pushing column is returned, the mounting sleeve is fastened and mounted on the mounting seat. When the mud pulling and collecting device is used, workers do not need to step on mud beaches to collect mud samples, the mud sample collecting operation is convenient, the working efficiency is high, and the labor intensity is reduced.
As preferred, the sample scooter left and right sides is stretched out at the sample seat both ends, and the sample seat both ends all set up a sampling mechanism. Through setting up two sets of sampling mechanisms, make sample process sample seat both sides atress more balanced, can get more mud appearance simultaneously.
Preferably, the mounting seat is provided with an annular groove, two positioning shafts are connected between two side walls of the annular groove, and the two guide sleeves are respectively sleeved on the two positioning shafts. In the process of pulling the pull rope, the guide sleeve rotates on the positioning shaft, so that the pull rope is pulled more laborsavingly.
Preferably, the front end of the mounting sleeve is provided with a limiting convex ring, the rear end of the mounting sleeve is connected with the positioning cover, the rear end of the locking rod is provided with a limiting block, the locking spring abuts between the positioning cover and the limiting block, and the front end of the locking rod extends out of the limiting convex ring. The limiting convex ring plays a good limiting role on a limiting block on the locking rod, and the locking rod is prevented from sliding away from the mounting sleeve.
Preferably, install battery, controller on the sample scooter, lift piston cylinder and sample piston cylinder are the electric jar, and lift piston cylinder and sample piston cylinder all are connected with the controller electricity, and the battery supplies power for lift piston cylinder, sample piston cylinder and controller. Two electric jars are controlled through the controller, and control is convenient and reliable, directly installs the battery on the sample scooter moreover, does not need very long power cord.
Preferably, the weight tip is of a tapered configuration. The counterweight head with the structure is convenient to insert into a mud beach.
As the preferred, the cross-section of sample fill is L shape structure, and sample fill both sides all are equipped with the striker plate, and the sample fill lower extreme is equipped with a plurality of and inserts the tip. The sampling hopper with the structure is convenient for grabbing mud samples.
A mud extracting method by using a mud extracting device comprises the following steps: when the launching vehicle reaches a designated position, the angle of the launching tube is adjusted, the electromagnetic valve is opened, and high-pressure air in the air storage tank is filled into the launching tube to throw the whole throwing mechanism outwards to the intertidal zone mud beach; secondly, before the projecting mechanism is injected into the mud beach, the driving rope is completely straightened, the pushing column is pulled backwards, the locking groove on the pushing column reaches the position of the locking rod, the locking rod is inserted into the locking groove under the action of the locking spring, the pushing column moves backwards to drive the connecting rod to operate, the supporting plate is pushed outwards by the connecting rod, after the counterweight head is injected into the mud beach, the supporting plate is supported on the mud beach, and then the sampling scooter is connected to the two pull ropes; pulling the two pull ropes by hands to pull the sampling scooter to a sampling position, then starting the lifting piston cylinder to drive the sampling seat to move downwards to enable the sampling hopper to be inserted into the mud beach, then stopping the lifting piston cylinder, starting the sampling piston cylinder, pulling the sampling hopper to move upwards by a telescopic rod of the sampling piston cylinder, enabling the outer wall of the sampling hopper to abut against the lower end of the limiting sleeve to enable the two sampling hoppers to rotate in a mutually approaching direction to capture the taken mud sample between the two sampling hoppers; fourthly, stopping the sampling piston cylinder, starting the lifting piston cylinder, driving a telescopic rod of the lifting piston cylinder to drive the sampling seat to move upwards, separating the sampling bucket from the mud beach, and stopping the lifting piston cylinder; and fifthly, pulling the sampling scooter back by pulling the pull rope reversely, and then pulling the driving rope to recover the ejection mechanism.
Compared with the prior art, the invention has the beneficial effects that: the method for collecting the mud flat mud sample greatly facilitates the collection of the mud flat mud sample and reduces the labor intensity of workers.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
figure 2 is a schematic view of the arrangement of the ejection mechanism of the invention;
FIG. 3 is a schematic structural view of the sampling mechanism of the present invention;
in the figure: 1. the launching vehicle comprises a launching vehicle body, 2, a sampling scooter body, 3, an air storage tank, 4, a launching tube, 5, an air injection tube, 6, an electromagnetic valve, 7, a sealing column, 8, a mounting seat, 9, a counterweight head, 10, a guide sleeve, 11, a fixing sleeve, 12, a pull rope, 13, a mounting cavity, 14, a positioning hole, 15, a pushing column, 16, a driving rope, 17, a locking groove, 18, a guide surface, 19, a connecting rod, 20, a mounting sleeve, 21, a locking spring, 22, a locking rod, 23, an avoiding groove, 24, a supporting plate, 25, a lifting piston cylinder, 26, a sampling seat, 27, a sampling piston cylinder, 28, a limiting sleeve, 29, a sampling hopper, 30, a return spring, 31, an annular groove, 32, a positioning shaft, 33, a limiting convex ring, 34, a positioning cover, 35, a limiting block, 36, a positioning plate, 37.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example (b): a mud pulling and mining device (see attached figures 1 to 3) comprises a launching vehicle 1, a projecting mechanism and a sampling scooter 2, wherein the launching vehicle is provided with an air storage tank 3 and a launching barrel 4 which are obliquely arranged, an air injection pipe 5 is arranged between the air storage tank and the bottom of the launching barrel, and the air injection pipe is provided with an electromagnetic valve 6; the projecting mechanism comprises a sealing column 7, a mounting seat 8 and a counterweight head 9, the end part of the counterweight head is of a conical structure, the sealing column is hermetically inserted into the launching tube, the mounting seat is arranged between the sealing column and the counterweight head, two guide sleeves 10 are mounted on the mounting seat, two fixed sleeves 11 are mounted on the launching vehicle in a one-to-one correspondence with the guide sleeves, and annular pull ropes 12 are connected between the guide sleeves and the fixed sleeves. An annular groove 31 is arranged on the mounting seat, two positioning shafts 32 are connected between two side walls of the annular groove, and two guide sleeves are respectively sleeved on the two positioning shafts.
The mounting seat is provided with a mounting cavity 13 and a positioning hole 14 which are mutually communicated, a pushing column 15 is arranged in the positioning hole, the pushing column is connected with a driving rope 16 towards the end of the sealing column, the driving rope is connected on the launching vehicle, the outer wall of the pushing column is provided with an annular locking groove 17 and an inclined guide surface 18, the outer wall of the pushing column is uniformly hinged with a plurality of connecting rods 19 close to the small diameter end of the guide surface, a plurality of mounting sleeves 20 arranged towards the pushing column are detachably mounted on the mounting seat, and locking springs 21 are mounted in the mounting sleeves, with the check lock lever 22 of locking groove adaptation, the check lock lever tip stretches out the installation cover and the butt is in the leading surface upper end position that promotes the post, is equipped with on the mount pad outer wall and dodges groove 23, dodges the groove and is close to on the lateral wall that promotes the post the equipartition articulate have a plurality of backup pads 24, and the backup pad lower extreme is close to dodge another lateral wall outward flange in groove, and backup pad and connecting rod one-to-one set up, and the connecting rod articulates in the backup pad. The mounting sleeve front end is equipped with spacing bulge loop 33, and the location lid 34 is connected to the mounting sleeve rear end, and the check lock lever rear end is equipped with stopper 35, and the locking spring butt is between location lid and stopper, and the check lock lever front end stretches out spacing bulge loop.
Two stay cords all are connected with the sample scooter, and every stay cord is connected and is formed two rope bodies between uide bushing and fixed cover, and the sample scooter is connected with a rope body of two stay cords respectively. Install lift piston cylinder 25 on the sample scooter, connect sample seat 26 on the lift piston cylinder telescopic link, install sampling mechanism on the sample seat, sampling mechanism includes sample piston cylinder 27, stop collar 28, two sample fill 29, the stop collar lower surface is established to the stop collar, sample piston cylinder telescopic link sets up in the stop collar, two sample fill openings set up relatively and articulate on sample piston cylinder telescopic link, the laminating of sample fill outer wall is at the stop collar lower extreme, the butt has return spring 30 between two sample fill upper ends. The sampling scooter left and right sides is stretched out at the sample seat both ends, and the sample seat both ends all set up a sampling mechanism. Install battery, controller on the sample scooter, lift piston cylinder and sample piston cylinder are the electric jar, and lift piston cylinder and sample piston cylinder all are connected with the controller electricity, and lift piston cylinder, sample piston cylinder and controller power supply are given to the battery, and the controller is controlled through the remote control. The sampling hopper cross-section is L shape structure, and sampling hopper both sides all are equipped with striker plate 36, and the sampling hopper lower extreme is equipped with a plurality of and inserts prong 37.
When the mud pulling and mining device works, the launching vehicle reaches a designated position, the angle of the launching tube is adjusted, the electromagnetic valve is opened, and high-pressure air in the air storage tank is filled into the launching tube to throw the whole throwing mechanism outwards to a mud beach in an intertidal zone; before the projecting mechanism is injected into a mud beach, the driving rope is completely straightened, the pushing column is pulled backwards, the locking groove on the pushing column reaches the position of the locking rod, the locking rod is inserted into the locking groove under the action of the locking spring, the pushing column moves backwards to drive the connecting rod to operate, the connecting rod pushes the supporting plate outwards, the supporting plate is supported on the mud beach after the counterweight head is injected into the mud beach, the supporting area is increased, the stability of the counterweight head support is improved, and then the sampling scooter is connected to the two pull ropes; then pulling the two pull ropes by hands to pull the sampling scooter to a sampling position, then starting the lifting piston cylinder to drive the sampling seat to move downwards to enable the sampling hopper to be inserted into the mud beach, then stopping the lifting piston cylinder, starting the sampling piston cylinder, pulling the sampling hopper to move upwards by a telescopic rod of the sampling piston cylinder, enabling the outer wall of the sampling hopper to abut against the lower end of the limiting sleeve to enable the two sampling hoppers to rotate in a mutually approaching direction to capture the taken mud sample between the two sampling hoppers; then the sampling piston cylinder is stopped, the lifting piston cylinder is started, the telescopic rod of the lifting piston cylinder drives the sampling seat to move upwards, the sampling bucket is separated from the mud bank, and then the lifting piston cylinder is stopped; and finally, pulling the sampling scooter back by reversely pulling the pull rope, and then pulling the driving rope to recover the ejection mechanism. The lifting piston cylinder and the sampling piston cylinder are controlled by remote control. After the ejection mechanism is recovered, the mounting sleeve is detached, the supporting plate is returned back to the rotary moving position, and after the pushing column is returned, the mounting sleeve is fastened and mounted on the mounting seat.
A mud extracting method by using a mud extracting device comprises the following steps: when the launching vehicle reaches a designated position, the angle of the launching tube is adjusted, the electromagnetic valve is opened, and high-pressure air in the air storage tank is filled into the launching tube to throw the whole throwing mechanism outwards to the intertidal zone mud beach; secondly, before the projecting mechanism is injected into the mud beach, the driving rope is completely straightened, the pushing column is pulled backwards, the locking groove on the pushing column reaches the position of the locking rod, the locking rod is inserted into the locking groove under the action of the locking spring, the pushing column moves backwards to drive the connecting rod to operate, the supporting plate is pushed outwards by the connecting rod, after the counterweight head is injected into the mud beach, the supporting plate is supported on the mud beach, and then the sampling scooter is connected to the two pull ropes; pulling the two pull ropes by hands to pull the sampling scooter to a sampling position, then starting the lifting piston cylinder to drive the sampling seat to move downwards to enable the sampling hopper to be inserted into the mud beach, then stopping the lifting piston cylinder, starting the sampling piston cylinder, pulling the sampling hopper to move upwards by a telescopic rod of the sampling piston cylinder, enabling the outer wall of the sampling hopper to abut against the lower end of the limiting sleeve to enable the two sampling hoppers to rotate in a mutually approaching direction to capture the taken mud sample between the two sampling hoppers; fourthly, stopping the sampling piston cylinder, starting the lifting piston cylinder, driving a telescopic rod of the lifting piston cylinder to drive the sampling seat to move upwards, separating the sampling bucket from the mud beach, and stopping the lifting piston cylinder; and fifthly, pulling the sampling scooter back by pulling the pull rope reversely, and then pulling the driving rope to recover the ejection mechanism.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (8)
1. A mud pulling and mining device is characterized by comprising a launching vehicle, a projecting mechanism and a sampling scooter, wherein the launching vehicle is provided with an air storage tank and a launching barrel which are obliquely arranged; the projecting mechanism comprises a sealing column, a mounting seat and a counterweight head, the sealing column is hermetically inserted in the launching tube, the mounting seat is arranged between the sealing column and the counterweight head, two guide sleeves are mounted on the mounting seat, two fixed sleeves are mounted on the launching vehicle in one-to-one correspondence with the guide sleeves, and annular pull ropes are connected between the guide sleeves and the fixed sleeves; the launching vehicle is characterized in that a mounting seat is provided with a mounting cavity and a positioning hole which are mutually communicated, a pushing column is mounted in the positioning hole, the pushing column is connected with a driving rope towards a sealing column end, the driving rope is connected onto a launching vehicle, the outer wall of the pushing column is provided with an annular locking groove and an inclined guide surface, a plurality of connecting rods are uniformly hinged on the outer wall of the pushing column close to the small diameter end of the guide surface, a plurality of mounting sleeves arranged towards the pushing column are detachably mounted on the mounting seat, locking springs and locking rods matched with the locking grooves are mounted in the mounting sleeves, the end parts of the locking rods extend out of the mounting sleeves and abut against the upper small diameter end of the guide surface of the pushing column, avoidance grooves are formed in the outer wall of the mounting seat, a plurality of support plates are uniformly hinged on the side walls of the avoidance grooves close; two stay cords all are connected with the scooter of taking a sample, install the lifting piston cylinder on the scooter of taking a sample, connect the sample seat on the lifting piston cylinder telescopic link, install sampling mechanism on the sample seat, sampling mechanism includes the piston cylinder of taking a sample, the stop collar, two sample hoppers, the stop collar is established at the sample seat lower surface, the setting of sample piston cylinder telescopic link is in the stop collar, two sample hopper openings set up relatively and articulate on the telescopic link of piston cylinder of taking a sample, the laminating of sample hopper outer wall is at the stop collar lower extreme, the butt has return spring between two sample hopper upper ends.
2. The mud pulling and collecting device as claimed in claim 1, wherein two ends of the sampling seat extend out of the left and right sides of the sampling scooter, and a sampling mechanism is arranged at each end of the sampling seat.
3. The mud pulling and collecting device as claimed in claim 1, wherein the mounting seat is provided with an annular groove, two positioning shafts are connected between two side walls of the annular groove, and two guide sleeves are respectively sleeved on the two positioning shafts.
4. The mud pulling and collecting device as claimed in claim 1, wherein the front end of the mounting sleeve is provided with a limiting convex ring, the rear end of the mounting sleeve is connected with the positioning cover, the rear end of the locking rod is provided with a limiting block, the locking spring abuts against between the positioning cover and the limiting block, and the front end of the locking rod extends out of the limiting convex ring.
5. The mud pulling and collecting device of claim 1, wherein the sampling scooter is provided with a storage battery and a controller, the lifting piston cylinder and the sampling piston cylinder are both electric cylinders, the lifting piston cylinder and the sampling piston cylinder are both electrically connected with the controller, and the storage battery supplies power to the lifting piston cylinder, the sampling piston cylinder and the controller.
6. A mud pulling apparatus as claimed in any one of claims 1 to 5, wherein the counterweight head is tapered at its end.
7. The mud pulling and collecting device as claimed in any one of claims 1 to 5, wherein the sampling hopper has an L-shaped cross-section, the two sides of the sampling hopper are provided with material blocking plates, and the lower end of the sampling hopper is provided with a plurality of insertion tips.
8. A mud mining method using the mud pulling and mining apparatus of claim 1, wherein in the first step: when the launching vehicle reaches a designated position, the angle of the launching tube is adjusted, the electromagnetic valve is opened, and high-pressure air in the air storage tank is filled into the launching tube to throw the whole throwing mechanism outwards to the intertidal zone mud beach; secondly, before the projecting mechanism is injected into the mud beach, the driving rope is completely straightened, the pushing column is pulled backwards, the locking groove on the pushing column reaches the position of the locking rod, the locking rod is inserted into the locking groove under the action of the locking spring, the pushing column moves backwards to drive the connecting rod to operate, the supporting plate is pushed outwards by the connecting rod, after the counterweight head is injected into the mud beach, the supporting plate is supported on the mud beach, and then the sampling scooter is connected to the two pull ropes; pulling the two pull ropes by hands to pull the sampling scooter to a sampling position, then starting the lifting piston cylinder to drive the sampling seat to move downwards to enable the sampling hopper to be inserted into the mud beach, then stopping the lifting piston cylinder, starting the sampling piston cylinder, pulling the sampling hopper to move upwards by a telescopic rod of the sampling piston cylinder, enabling the outer wall of the sampling hopper to abut against the lower end of the limiting sleeve to enable the two sampling hoppers to rotate in a mutually approaching direction to capture the taken mud sample between the two sampling hoppers; fourthly, stopping the sampling piston cylinder, starting the lifting piston cylinder, driving a telescopic rod of the lifting piston cylinder to drive the sampling seat to move upwards, separating the sampling bucket from the mud beach, and stopping the lifting piston cylinder; and fifthly, pulling the sampling scooter back by pulling the pull rope reversely, and then pulling the driving rope to recover the ejection mechanism.
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| CN201810763525.9A CN109163924B (en) | 2018-07-12 | 2018-07-12 | Mud pulling and collecting device and mud collecting method using same |
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| CN201810763525.9A CN109163924B (en) | 2018-07-12 | 2018-07-12 | Mud pulling and collecting device and mud collecting method using same |
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| CN110426240B (en) * | 2019-06-17 | 2022-02-11 | 浙江省海洋水产研究所 | Device and method for taking out underwater sludge and attachments |
| CN110346178B (en) * | 2019-06-17 | 2022-03-22 | 浙江省海洋水产研究所 | Marine dredger and dredging method |
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| JPH0972184A (en) * | 1995-09-01 | 1997-03-18 | Oyo Corp | Sampler for ground sample |
| CN207472594U (en) * | 2017-11-15 | 2018-06-08 | 赵祎璠 | A kind of sludge sampler for environmental protection administration |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101383387B1 (en) * | 2012-04-20 | 2014-04-10 | 전남대학교산학협력단 | A vacuum corer sampler for tidal flat |
| CN103454117A (en) * | 2013-09-02 | 2013-12-18 | 中国科学院、水利部成都山地灾害与环境研究所 | Pond sludge sampler |
| CN104777011B (en) * | 2015-03-26 | 2017-07-25 | 浙江大学 | A kind of Tidal Flat Sediments collection, ecological simulating apparatus in situ and its method |
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2018
- 2018-07-12 CN CN201810763525.9A patent/CN109163924B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0972184A (en) * | 1995-09-01 | 1997-03-18 | Oyo Corp | Sampler for ground sample |
| CN207472594U (en) * | 2017-11-15 | 2018-06-08 | 赵祎璠 | A kind of sludge sampler for environmental protection administration |
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