CN211452938U - Sampling device for soil on lower layer of water body bottom mud - Google Patents
Sampling device for soil on lower layer of water body bottom mud Download PDFInfo
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- CN211452938U CN211452938U CN202020124181.XU CN202020124181U CN211452938U CN 211452938 U CN211452938 U CN 211452938U CN 202020124181 U CN202020124181 U CN 202020124181U CN 211452938 U CN211452938 U CN 211452938U
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- shell
- lifting
- lifting shaft
- mud
- cylinder
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A sampling device for soil at the lower layer of water body bottom mud comprises a shell, a mud pump, a lifting cylinder, a mud storage barrel, a lifting shaft and a lifting transmission mechanism; the lifting cylinder and the mud storage barrel are fixed below the shell, an electric gate valve is arranged between the upper part of the lifting cylinder and the mud storage barrel, the lower part of the lifting cylinder is sleeved with a telescopic cylinder, and the bottom of the mud storage barrel is provided with a valve; the lifting shaft is arranged in the lifting cylinder and the telescopic cylinder, the upper part of the lifting shaft is arranged in the shell, a rotary seal is arranged between the upper part of the lifting shaft and the shell, the lifting shaft is provided with a helical blade, and the bottom of the lifting shaft is provided with a drill bit; the lifting shaft is connected with a lifting transmission mechanism in the shell; the upper end of the lifting shaft is connected with a feed pipe of a slurry pump in the shell through a rotary joint, and a sludge discharge valve is arranged on a sludge discharge pipe of the slurry pump in the shell. The device seals each electrical component in the casing, has realized the separation of water bed mud rather than lower floor's earth, discharges muddy water earlier and takes a sample again, has avoided the mix of bed mud rather than lower floor's earth, and the sample is accurate.
Description
Technical Field
The utility model relates to a device for carrying out sampling monitoring with the earth of deep water bed mud lower floor belongs to earth sampling technical field.
Background
The monitoring of earth under water body sediment is also the control management and the research important link of water resource with the sediment is the same, and the sediment is more difficult to sample than the earth under the sediment, mixes with the sediment easily, and the sample is inaccurate, even the manual sampling also faces such problem.
Therefore, how to accurately sample the soil on the lower layer of the water body bottom mud becomes a problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of current depthkeeping sampler existence, provide a sampling device of accurate, the reliable water bed mud lower floor earth of convenient to use of sample.
The utility model discloses a sampling device of water bed mud lower floor earth adopts following technical scheme:
the device comprises a shell, a slurry pump, a lifting cylinder, a sludge storage barrel, a lifting shaft and a lifting transmission mechanism; the lifting cylinder and the mud storage barrel are fixed below the shell, an electric gate valve is arranged between the upper part of the lifting cylinder and the mud storage barrel, a telescopic cylinder is sleeved at the lower part of the lifting cylinder, a guide rod is connected between the lifting cylinder and the telescopic cylinder, and a valve is arranged at the bottom of the mud storage barrel; the lifting shaft is arranged in the lifting cylinder and the telescopic cylinder, the upper part of the lifting shaft is arranged in the shell, a rotary seal is arranged between the upper part of the lifting shaft and the shell, the lifting shaft is provided with a helical blade, the bottom of the lifting shaft is provided with a drill bit, and the lifting shaft is provided with an inner hole which is axially communicated; the lifting shaft is connected with a lifting transmission mechanism in the shell; the upper end of the lifting shaft is connected with a feeding pipe of a slurry pump through a rotary joint, the slurry pump is arranged in the shell, a sludge discharge pipe of the slurry pump extends out of the shell, and a sludge discharge valve is arranged at the part of the sludge discharge pipe in the shell.
The shell is connected with an upper cover, and a sealing gasket is arranged between the upper cover and the shell to ensure that water cannot enter the shell. The upper cover is provided with a hanging hole to be connected with a hook of the lifting device.
The upper portion of electronic slide valve sets up in the casing, and sets up sealedly between electronic slide valve and casing to prevent into water.
The guide rod is sleeved with a spring so that the telescopic cylinder can be pressed with the underwater surface.
Promote drive mechanism including installing the action wheel on the motor, installing the follower on promoting the axle and connecting the drive belt between action wheel and follower, the motor is installed in the casing.
Be provided with cable water joint on the casing to supply power to the electrical component in the casing through the cable, and guarantee that can not intake in the casing.
The device is hoisted in water through the winch, and the winch is arranged on the motor ship and drives the motor ship into a specified water area. Before entering water, the electric gate valve, the mud valve and the valve are closed. The winch is started, and the whole device sinks in water. When the underwater mud-water separator reaches the water bottom, the bottom end of the telescopic cylinder is inserted into the water bottom under the action of the spring, a mud pump and a mud discharge valve are started, and mud water in the lifting cylinder and the telescopic cylinder is sucked and discharged. Then the lifting shaft is rotated, the gate valve is opened, and soil drilled by the drill bit at the bottom of the lifting shaft is lifted upwards along with the helical blade to enter the sludge storage barrel. And after sampling, closing the motor and the gate valve. The whole device is hoisted to the ship body through a winch. And opening a valve at the bottom of the mud storage barrel, and taking out the mud.
The utility model discloses seal up each electrical component in the casing, take a sample under encapsulated situation, realized the separation of water bed mud rather than lower floor's earth, earlier with muddy water discharge sampling again, avoided mixing of bed mud rather than lower floor's earth, the sample is accurate.
Drawings
Figure 1 is the utility model discloses a sampling device of water bed mud lower floor earth's structural schematic.
In the figure: 1. the mud pump comprises an upper cover, 2 a cable waterproof joint, 3 a shell, 4 a motor, 5 a driving wheel, 6 an electric gate valve, 7 a mud storage barrel, 8 a valve, 9 a hanging hole, 10 a mud pump, 11 a mud discharge valve, 12 a mud discharge pipe, 13 a rotary joint, 14 a driven wheel, 15 a lifting cylinder, 16 a lifting shaft, 17 a spiral blade, 18 a mud hole, 19 a drill bit, 20 a guide rod, 21 a spring, 22 a telescopic cylinder and 23 a stop block,
Detailed Description
As shown in FIG. 1, the utility model discloses a sampling device of soil in water bed mud lower floor, including casing 3, slush pump 10, lifting cylinder 15, storage mud bucket 7, lifting shaft 16 and promotion drive mechanism. Fixedly connected with upper cover 1 on the casing 3 is provided with sealed the pad between the two to guarantee that can not intake in the casing 3, avoid damaging the part in the casing 3. The upper cover 1 is provided with a hanging hole 9 to be connected with a hook of the lifting device.
The lifting cylinder 15 and the mud storage barrel 7 are fixed below the shell 3, the upper part of the lifting cylinder 15 is communicated with the upper part of the mud storage barrel 7, an electric gate valve 20 is arranged at the communication position, the upper part (motor part) of the electric gate valve 20 is arranged in the shell 3, and a sealing mechanism is arranged between the electric gate valve 20 and the shell 3 to prevent water from entering. The lower part of the lifting cylinder 15 is sleeved with a telescopic cylinder 22, a guide rod 20 is connected between the lifting cylinder 15 and the telescopic cylinder 22, one end of the guide rod 20 is fixed on the telescopic cylinder 22, the other end of the guide rod extends out of a guide hole on the lifting cylinder 15, a stop block 23 is arranged at the end, and a spring 21 is sleeved on the guide rod 20. The bottom of the mud storage barrel 7 is provided with a valve 8 which can be a manual valve. The telescopic cylinder 22 is movable on the lift cylinder 15 to change the height of the entire cylinder.
The lift shaft 16 is disposed within the lift cylinder 15 and the telescopic cylinder 22. The upper part of the lifting shaft 16 is arranged in the shell 3 through a bearing, and a rotary seal is arranged between the upper part of the lifting shaft and the shell, belongs to a dynamic seal, and consists of a slip ring made of filled polytetrafluoroethylene and a rubber O-shaped ring for providing elasticity for the prior art. The lifting shaft 16 is hollow and is provided with an axial inner bore which communicates with a bottom slurry bore 18. The lifting shaft 16 is provided with a helical blade 17, and the bottom of the lifting shaft 16 is a drill bit 19. The bottom end of the lift shaft 16 substantially coincides with the bottom end of the telescopic cylinder 22 when it is extended to the lowermost position.
The lifting shaft 16 is connected to a lifting gear in the housing 3. The lifting transmission mechanism is in belt transmission and comprises a driving wheel 5 arranged on the motor 4, a driven wheel 14 arranged on the lifting shaft 16 and a transmission belt connected between the driving wheel 5 and the driven wheel 14, and the motor 4 is arranged in the shell 3 through a motor bracket.
The upper end of a lifting shaft 16 is connected with a feeding pipe of a slurry pump 10 through a rotary joint 13, the slurry pump 10 adopts a vertical small slurry pump and is arranged in a shell 3 through a bracket, the feeding pipe of the slurry pump 10 is arranged in the shell 3 and is communicated with an inner hole of the lifting shaft 16, a sludge discharge pipe 12 of the slurry pump 10 extends out of the shell 3, and the part of the sludge discharge pipe 12 in the shell 3 is provided with an electric sludge discharge valve 11.
Be provided with cable water joint 2 on the casing 3 to supply power to the electrical component in the casing 3 through the cable, and guarantee that can not intake in the casing 3.
When the device is used, the device is matched with a winch, a rope is wound on the winch, and the outer end of the rope is connected with the hanging hole 9 of the upper cover 1. The power supply cable and the rope can be wound on the winch together, and a wire wheel can be additionally arranged. The hoist is mounted on the motor boat. The motor boat is driven into a designated water area and accurately positioned by a positioning instrument. Before water enters, the electric gate valve 20 between the lifting cylinder 15 and the mud storage barrel 7 is closed, and the mud discharge valve 11 and the valve 8 are also in a closed state (normally closed solenoid valve), so that water cannot enter the shell 3.
And starting the winch, and sinking the whole sampling device in water. When the underwater vehicle reaches the water bottom, the bottom end of the telescopic cylinder 22 is inserted into the soft bottom mud under the action of the spring 22 until the bottom mud is not inserted any more, and at the moment, the lifting cylinder 15 and the whole cylinder body of the telescopic cylinder 22 are isolated from each other. The mud pump 10 and the mud discharge valve 11 are started, the mud pump 10 sucks muddy water in the lifting cylinder 15 and the telescopic cylinder 22 from the inner hole of the lifting shaft 16 and discharges the muddy water from the mud discharge pipe 12 of the mud pump 10, and a relatively clean space is formed in the lifting cylinder 15 and the telescopic cylinder 22. The soft bottom mud discharged by mud pump 10 may also be stored for bottom mud sampling.
After the muddy water in the lifting cylinder 15 and the telescopic cylinder 22 is extracted, the motor 4 is started to drive the lifting shaft 16 to rotate, and meanwhile, the electric gate valve 20 is opened to enable the lifting cylinder 15 to be communicated with the upper part of the mud storage barrel 7. The bottom drill bit 19 of the lifting shaft 16 drills into the soil below the sediment, and the soil is lifted upwards along with the helical blade 17 and enters the mud storage barrel 7 from the upper part of the lifting cylinder 15. When the lifting shaft 16 is rotated and drilled downwards, the telescopic cylinder 22 moves upwards, but the bottom mud is still pressed by the spring 22. And after sampling, closing the motor 4 and the electric gate valve 20. The whole device is hoisted to the ship body through a winch. And opening the valve 8 and taking out the soil.
Claims (7)
1. The utility model provides a sampling device of water bed mud lower floor earth, characterized by: comprises a shell, a slurry pump, a lifting cylinder, a slurry storage barrel, a lifting shaft and a lifting transmission mechanism; the lifting cylinder and the mud storage barrel are fixed below the shell, an electric gate valve is arranged between the upper part of the lifting cylinder and the mud storage barrel, a telescopic cylinder is sleeved at the lower part of the lifting cylinder, a guide rod is connected between the lifting cylinder and the telescopic cylinder, and a valve is arranged at the bottom of the mud storage barrel; the lifting shaft is arranged in the lifting cylinder and the telescopic cylinder, the upper part of the lifting shaft is arranged in the shell, a rotary seal is arranged between the upper part of the lifting shaft and the shell, the lifting shaft is provided with a helical blade, the bottom of the lifting shaft is provided with a drill bit, and the lifting shaft is provided with an inner hole which is axially communicated; the lifting shaft is connected with a lifting transmission mechanism in the shell; the upper end of the lifting shaft is connected with a feeding pipe of a slurry pump through a rotary joint, the slurry pump is arranged in the shell, a sludge discharge pipe of the slurry pump extends out of the shell, and a sludge discharge valve is arranged at the part of the sludge discharge pipe in the shell.
2. The device for sampling soil at the bottom of water body sediment, according to claim 1, is characterized in that: the shell is connected with an upper cover, and a sealing gasket is arranged between the upper cover and the shell.
3. The device for sampling soil at the bottom of water body sediment, according to claim 2, is characterized in that: the upper cover is provided with a hanging hole.
4. The device for sampling soil at the bottom of water body sediment, according to claim 1, is characterized in that: the upper portion of electronic slide valve sets up in the casing, and sets up sealedly between electronic slide valve and casing.
5. The device for sampling soil at the bottom of water body sediment, according to claim 1, is characterized in that: the guide rod is sleeved with a spring.
6. The device for sampling soil at the bottom of water body sediment, according to claim 1, is characterized in that: promote drive mechanism including installing the action wheel on the motor, installing the follower on promoting the axle and connecting the drive belt between action wheel and follower, the motor is installed in the casing.
7. The device for sampling soil at the bottom of water body sediment, according to claim 1, is characterized in that: and a cable waterproof joint is arranged on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124181.XU CN211452938U (en) | 2020-01-19 | 2020-01-19 | Sampling device for soil on lower layer of water body bottom mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124181.XU CN211452938U (en) | 2020-01-19 | 2020-01-19 | Sampling device for soil on lower layer of water body bottom mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211452938U true CN211452938U (en) | 2020-09-08 |
Family
ID=72297013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020124181.XU Expired - Fee Related CN211452938U (en) | 2020-01-19 | 2020-01-19 | Sampling device for soil on lower layer of water body bottom mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211452938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115615761A (en) * | 2022-11-21 | 2023-01-17 | 黑龙江省水利科学研究院 | Sampling device and method suitable for water quality detection of micro water bodies in cold regions |
-
2020
- 2020-01-19 CN CN202020124181.XU patent/CN211452938U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115615761A (en) * | 2022-11-21 | 2023-01-17 | 黑龙江省水利科学研究院 | Sampling device and method suitable for water quality detection of micro water bodies in cold regions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20210119 |