CN110672368A - Rotary conical mud sampler - Google Patents
Rotary conical mud sampler Download PDFInfo
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- CN110672368A CN110672368A CN201910949500.2A CN201910949500A CN110672368A CN 110672368 A CN110672368 A CN 110672368A CN 201910949500 A CN201910949500 A CN 201910949500A CN 110672368 A CN110672368 A CN 110672368A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a rotary conical mud sampler, which comprises a power supply (1), a waterproof motor assembly (5), a motor coupler (6), a sampler shaft (12) and a mud storage cavity (8); the power supply (1) is connected with the waterproof motor combination (5) and supplies power, and a motor shaft of the waterproof motor combination (5) is connected with the upper end of the sampler shaft (12) through a motor coupler (6) and drives the sampler shaft (12) to rotate; the lower end of the sampler shaft (12) is connected with a sludge storage cavity (8), the upper part of the sludge storage cavity (8) is a cylindrical cavity, the lower part of the sludge storage cavity is a conical cavity with a downward tip, and the cylindrical cavity is communicated with the conical cavity; the side surface of the conical cavity is provided with a mud cleaning cabin door (9); a plurality of water through holes are arranged on the mud cleaning cabin door (9); the conical side surface is provided with a mud cutting port (10) with an outward protruding edge, and the inner cavity is provided with a mud cutting port guide baffle plate (11) along the radial direction. The sampling effect is very ideal, and the sampling success rate is greatly improved. The device is suitable for collecting sediments in inland water areas such as reservoirs, rivers, lakes and the like. High efficiency and stable effect, and can separate sediments on site.
Description
Technical Field
The invention relates to the technical field of mechanical structures, in particular to a rotary type conical mud sampler.
Background
Surface water resources are an important component of global water resources and also are main sources for human beings to obtain fresh water for survival, and the global surface water storage is 24254 trillion cubic meters. Yellow millet is a significant part of water and land traffic. The abundant aquatic products such as fish, shrimp, crab, shellfish, lotus root, water chestnut, gordon euryale seed and reed are also important sources of aquatic products and light industry.
The property of the surface sediment of the water body is the comprehensive reflection of factors such as hydrology, geology, physics, chemistry, biology and the like of the water body, is an indispensable scientific research object of subjects such as geology, environmentality, ecology and the like, and is widely applied to the fields of water ecological environment evaluation, regional pollution investigation and the like, and has practical application. Therefore, the scientific and efficient sediment sampler has practical significance in research.
The existing column-shaped mud sampler and grab bucket-type mud sampler adopt materials with large specific gravity as raw materials, reduce the buoyancy of water and the interference of water flow by the self weight of the device, obtain vertical downward impulse under the action of gravity, insert the impulse into bottom mud, and then close an opening through a buckle device, thereby obtaining a required sediment sample.
The following defects of the prior art are: firstly, in the area with high flow speed, the vertical impulse of the device is counteracted to a great extent due to high transverse flow speed, and after the device is in bottom contact, the situation of insufficient sinking is easy to occur due to insufficient vertical impulse, so that the sampling effect is poor; secondly, in order to obtain a better sampling effect, the weight of the sampler is generally very large, so that the operation difficulty of operators is increased.
Disclosure of Invention
The invention aims to provide a rotary conical mud sampler which is suitable for collecting sediments in inland water areas such as reservoirs, rivers, lakes and the like. High efficiency and stable effect, and can separate sediments on site.
The mechanical scraper is adopted for descaling, and the descaling device has the advantages of thorough descaling, high automation degree and the like.
The purpose of the invention is realized by the following technical scheme:
a rotary conical mud sampler comprises a power supply 1, a waterproof motor combination 5, a motor coupler 6, a sampler shaft 12 and a mud storage cavity 8;
the power supply 1 is connected with the waterproof motor combination 5 and supplies power, and a motor shaft of the waterproof motor combination 5 is connected with the upper end of the sampler shaft 12 through the motor coupler 6 and drives the sampler shaft 12 to rotate;
the lower end of the sampler shaft 12 is connected with a sludge storage cavity 8, the upper part of the sludge storage cavity 8 is a cylindrical cavity, the lower part of the sludge storage cavity is a conical cavity with a downward tip, and the cylindrical cavity is communicated with the conical cavity;
the side surface of the conical cavity is provided with a mud cleaning cabin door 9; a plurality of water through holes are arranged on the mud cleaning cabin door 9;
the conical side surface is provided with a mud cutting port 10 with an outward protruding edge, and the inner cavity is provided with a mud cutting port guide baffle plate 11 along the radial direction.
And a counterweight ring 7 is also arranged on the sludge storage cavity 8.
The waterproof motor assembly 5 comprises a direct current motor 4, a waterproof bearing 3 and a shell; the direct current motor 4 is arranged in the shell, the motor shaft extends out of the shell from the lower part, and the waterproof bearing 3 is arranged at the position of the extending out of the shell.
And the waterproof motor combination 5 is connected with a hoisting steel wire rope 2.
According to the technical scheme provided by the invention, the rotary type conical mud sampler provided by the embodiment of the invention is developed for solving the problems that the traditional columnar mud sampler and grab bucket mud sampler have large dead weight, low sampling success rate, and are limited by natural conditions such as water flow disturbance, water depth, substrate and the like, and the working principle of the edge of a pencil knife is used for reference, so that the sampler overcomes the defect that the traditional mud sampler completely depends on the dead weight, and through practical verification, the sampling effect is very ideal, and the sampling success rate is greatly improved. The device is suitable for collecting sediments in inland water areas such as reservoirs, rivers, lakes and the like. High efficiency and stable effect, and can separate sediments on site.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural view of a rotary conical mud sampler provided by an embodiment of the invention; fig. 2 is a schematic structural view of a mud collecting cone of a mud storage cavity of the rotary conical mud collector provided by the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 2, a rotary conical mud sampler comprises a power supply 1, a waterproof motor assembly 5, a motor coupler 6, a sampler shaft 12 and a mud storage cavity 8; the power supply 1 is connected with a waterproof motor combination 5 and supplies power, and the waterproof motor combination 5 comprises a direct current motor 4, a waterproof bearing 3 and a shell; the direct current motor 4 is arranged in the shell, the direct current motor 4 can use a large-torque direct current motor, the motor shaft extends out of the shell from the lower part, and the waterproof bearing 3 is arranged at the position of the extending out of the shell.
A motor shaft of the waterproof motor combination 5 is connected with the upper end of the sampler shaft 12 through a motor coupler 6 and drives the sampler shaft 12 to rotate; the lower end of the sampler shaft 12 is connected with a mud storage cavity 8, and a counterweight ring 7 is further arranged on the mud storage cavity 8. The lower end of the sampler shaft 12 is connected with a counterweight ring 7, and a sludge storage cavity 8 is fixed below the counterweight ring 7.
The upper part of the mud storage cavity 8 is a cylindrical cavity, and the lower part of the mud storage cavity is a conical cavity with a downward tip, so that a mud collecting cone is formed. The cylindrical cavity is communicated with the conical cavity; the side surface of the conical cavity is provided with a mud cleaning cabin door 9; a plurality of water through holes are arranged on the mud cleaning cabin door 9; as shown in fig. 2, the conical side surface is provided with a mud cutting port 10 with an outward protruding edge, and the inner cavity is provided with a mud cutting port guide baffle plate 11 along the radial direction.
In the embodiment, the hoisting steel wire rope 2 is connected to the waterproof motor assembly 5, the bearing 3 is arranged between the steel wire rope 2 at the joint and the shell of the waterproof motor assembly 5, and the steel wire rope 2 and the waterproof motor assembly 5 can rotate freely in the hoisting and working processes, so that the mud mining work is not influenced. Is connected with a crane through a steel wire rope 2 and is used for lifting and towing the device.
The operation mode is as follows:
step 1: connect the mud sampler axle 12 through shaft coupling 6 and waterproof motor combination 5, again with wire rope 2 system on the line capstan of winch, put down the rope by the line capstan of winch, with the steady aquatic of putting into of rotation type toper mud sampler.
Step 2: under the action of gravity, the rotary conical mud sampler is gradually immersed into the water bottom, at the moment, the power supply is controlled to supply power to the direct current motor 4, the direct current motor 4 drives the mud storage cavity 8 to rotate, and the rotating direction is consistent with the opening direction of the outer side mud cutting opening 10. The soil is cut into a cylindrical cavity and a conical cavity of the soil storage cavity 8 by rotation. The mud cutting port 10 protrudes out of the surface of the conical body, so that mud cutting is facilitated, and the arranged guide baffle 11 prevents mud from falling off through a gap in the rotating process. The plurality of water through holes of the mud cleaning cabin door 9 discharge water in the operation process so as to balance the internal and external water pressure.
And step 3: after the mud is extracted, the rotation is stopped, the direct current motor 4 rotates for a small circle in the opposite direction, so that the bottom of the mud extracting cone is separated from the mud, and then the winch drives the winch to pull the rotary conical mud extractor away from the water surface. The sampling personnel open the mud cleaning cabin door 9 and wash away the mud with water.
The invention is suitable for collecting sediments in inland water areas such as reservoirs, rivers, lakes and the like. The problems of low efficiency, instability and the like of the existing sediment sampler are solved, and the sediment sampler has the characteristic of separating sediments on site.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a rotation type toper mud sampler which characterized in that: comprises a power supply (1), a waterproof motor combination (5), a motor coupler (6), a sampler shaft (12) and a mud storage cavity (8);
the power supply (1) is connected with the waterproof motor combination (5) and supplies power, and a motor shaft of the waterproof motor combination (5) is connected with the upper end of the sampler shaft (12) through a motor coupler (6) and drives the sampler shaft (12) to rotate;
the lower end of the sampler shaft (12) is connected with a sludge storage cavity (8), the upper part of the sludge storage cavity (8) is a cylindrical cavity, the lower part of the sludge storage cavity is a conical cavity with a downward tip, and the cylindrical cavity is communicated with the conical cavity;
the side surface of the conical cavity is provided with a mud cleaning cabin door (9); a plurality of water through holes are arranged on the mud cleaning cabin door (9);
the conical side surface is provided with a mud cutting port (10) with an outward protruding edge, and the inner cavity is provided with a mud cutting port guide baffle plate (11) along the radial direction.
2. A rotary conical mud sampler according to claim 1, wherein the mud storage chamber (8) is further provided with a counterweight ring (7).
3. A rotary cone shaped dredge according to claim 1 or 2 characterized in that the waterproof motor combination (5) comprises a dc motor (4), a waterproof bearing (3) and a housing; the direct current motor (4) is arranged in the shell, the motor shaft extends out of the shell from the lower part, and the waterproof bearing (3) is arranged at the position of extending out of the shell.
4. A rotary conical mud sampler according to claim 1 or 3, wherein the water-proof motor assembly (5) is connected with a hoisting steel wire rope (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910949500.2A CN110672368B (en) | 2019-10-08 | 2019-10-08 | Rotary conical mud sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910949500.2A CN110672368B (en) | 2019-10-08 | 2019-10-08 | Rotary conical mud sampler |
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| Publication Number | Publication Date |
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| CN110672368A true CN110672368A (en) | 2020-01-10 |
| CN110672368B CN110672368B (en) | 2022-03-25 |
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| CN201910949500.2A Active CN110672368B (en) | 2019-10-08 | 2019-10-08 | Rotary conical mud sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326337A (en) * | 2020-11-13 | 2021-02-05 | 中冶南方城市建设工程技术有限公司 | Automatic sampling device and method for cement soil mixing pile slurry |
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| CN205483669U (en) * | 2016-03-29 | 2016-08-17 | 华东师范大学 | River mouth seashore substrate sample thief |
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| CN108362519A (en) * | 2018-03-12 | 2018-08-03 | 常熟虞星光电科技有限公司 | A kind of equipment for soil collection |
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2019
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| US5492021A (en) * | 1994-09-27 | 1996-02-20 | The United States Of America As Represented By The United States Department Of Energy | Variable depth core sampler |
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| CN202631306U (en) * | 2012-06-13 | 2012-12-26 | 泸州品创科技有限公司 | Fermented grain sampler for pit |
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| CN104807672A (en) * | 2015-05-08 | 2015-07-29 | 泸州品创科技有限公司 | Multi-point vinasse sampler and sampling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326337A (en) * | 2020-11-13 | 2021-02-05 | 中冶南方城市建设工程技术有限公司 | Automatic sampling device and method for cement soil mixing pile slurry |
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| Publication number | Publication date |
|---|---|
| CN110672368B (en) | 2022-03-25 |
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