CN108195356B - Telescopic auxiliary measurer for sub-ice flow measurement and use method thereof - Google Patents
Telescopic auxiliary measurer for sub-ice flow measurement and use method thereof Download PDFInfo
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- CN108195356B CN108195356B CN201810021386.2A CN201810021386A CN108195356B CN 108195356 B CN108195356 B CN 108195356B CN 201810021386 A CN201810021386 A CN 201810021386A CN 108195356 B CN108195356 B CN 108195356B
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- sleeve
- lower sleeve
- ice
- upper combined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention relates to a telescopic auxiliary measurer for measuring flow under ice and a use method thereof, belonging to the technical field of water conservancy. The main structure of the invention is two sleeves, the upper sleeve is an integral combined sleeve with different concentric diameters, and the lower sleeve and the upper sleeve are connected in the wall hole of the lower sleeve by the reinforcing steel bar hook fixed on the upper sleeve. The cover of the lower sleeve is connected to the small-sized front-back self-locking hand-operated lifting machine at the upper part through a fixed pulley fixed on the wall of the lower barrel by a steel wire rope fixed on the cover, and the lower cover can be tightly connected with the lower sleeve by the tension of the steel wire rope, so that the purpose of water isolation is achieved. The invention has low cost, convenient and simple operation, long service life, time and labor saving and repeated use. The instrument solves the problem that the data of the river under the ice are required to be broken every time. Great convenience is brought to measuring staff for measuring the hydrologic data under ice, and the method is suitable for application and popularization.
Description
Technical Field
The invention relates to a telescopic auxiliary measurer for measuring flow under ice and a use method thereof, belonging to the technical field of water conservancy.
Background
At present, the water conservancy equipment industry in China is rapidly developed, and equipment for controlling water conservancy is various, but challenges in many aspects are still faced, and solutions meeting customers are required to be found. Many rivers in northeast, inner Mongolia and other northern areas can freeze in winter, but the frozen rivers still need to carry out measurement operation of various hydrologic elements under ice, at present, the method adopted by hydrologic measurement personnel in China is to manually or mechanically open the ice surface to open the ice hole, then carry out measurement under ice, and the ice surface is opened again when carrying out measurement operation each time, so that the measurement is time-consuming and laborious, uneconomical and reasonable, and the measurement operation is very inconvenient. In summary, the invention designs a telescopic auxiliary measurer applied to under-ice flow measurement.
Disclosure of Invention
In order to solve the problems, the invention provides a telescopic auxiliary measurer for measuring flow under ice and a using method thereof.
The technical scheme of the invention is as follows: the telescopic auxiliary measurer for measuring the flow under ice comprises an upper combined sleeve cover 1, a small positive and negative self-locking hand-operated lifter 2, an upper combined sleeve 3, a reinforcing steel bar hook 4, a fixed pulley 5, a steel wire rope 6, a lower sleeve 7 and a lower sleeve cover 9; the upper combined sleeve 3 is a concentric combined sleeve with different diameters, wherein the diameter of an upper cylinder part is larger than that of a lower cylinder part, and the lower cylinder part and the lower sleeve 7 are connected through a reinforcing steel bar hook 4; the retractility of the lower cylindrical portion and the lower sleeve 7 is achieved by the insertion of the reinforcing hooks 4 fixed to the upper combining sleeve 3 into the holes 13 at different positions on the inner wall of the lower sleeve 7; the lower extreme of lower sleeve 7 is equipped with lower sleeve lid 9, and the one end of lower sleeve lid 9 is connected with the lower extreme of lower sleeve 7, and wire rope 6's one end is fixed on lower sleeve lid 9, and the other end passes fixed pulley 5 on the inner wall of lower sleeve 7 and is fixed in the small-size positive and negative auto-lock hand lift 2 on the inner wall of upper portion composite sleeve 3 and be connected, is equipped with upper portion composite sleeve lid 1 on the upper portion composite sleeve 3.
The outer walls of the upper combined sleeve 3 and the lower sleeve 7 are provided with water-proof and heat-insulating layers 8, and the water-proof and heat-insulating layers 8 positioned on the outer wall of the lower sleeve 7 have folding retractility.
The lower end of the water-proof and heat-insulating layer 8 is zigzag or provided with a telescopic device 12.
A protrusion 11 is arranged on the outer wall of the lower sleeve 7, and a groove 10 is arranged on the inner wall of the upper combined sleeve 3 at the corresponding position contacted with the protrusion 11; in use, the protrusions 11 slide up and down in the grooves 10 for preventing the lower sleeve 7 from being separated from the upper combined sleeve 3.
The application method of the telescopic auxiliary measurer for the flow measurement under ice comprises the following specific steps of:
step A, when the water factor under the ice is needed to be measured after the river is frozen, firstly, a hole with the diameter of the lower cylinder part being adaptive to the size of the ice hole under the upper combined sleeve 3 is chiseled on the ice surface;
step B, placing the lower sleeve 7 and the lower cylinder part of the upper combined sleeve 3 in an ice hole; the auxiliary flow meter is fixed by utilizing the principle that the diameter of the cylindrical part on the upper combined sleeve 3 is larger than the diameter of the ice hole;
step C, if the thickness of the ice layer changes, corresponding adjustment is carried out by changing the way that the reinforcing steel bar hooks 4 are inserted into different holes on the inner wall of the lower sleeve 7;
step D, when measurement is needed, the upper combined sleeve cover 1 is opened, the lower sleeve cover 9 is opened by rotating the small positive and negative self-locking hand-operated lifting machine 2, and then an instrument for measuring the hydrologic element is placed into the water flow under ice through the inside of the auxiliary flow meter to measure the hydrologic element under ice;
step E, taking out the flow measuring instrument after the measurement work is finished, closing the lower sleeve cover 9 by rotating the small positive and negative self-locking hand-operated lifting machine 2 after taking out the instrument, pumping out water in the instrument by utilizing the miniature water pump, and then covering the upper combined sleeve cover 1 to finish the whole measurement work; the next time a measurement is made, the step C, D, E is repeated.
The beneficial effects of the invention are as follows: the auxiliary measuring instrument has the advantages of low cost, convenient and simple operation, long service life, time and labor saving and repeated use. The instrument solves the problem that the data of the river under the ice are required to be broken every time. Great convenience is brought to measuring staff for measuring the hydrologic data under ice, and the method is suitable for application and popularization.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged detail view of the upper sleeve inner wall without the groove passing through;
FIG. 3 is an enlarged detail view of the upper edge of the outer wall of the lower sleeve;
fig. 4 is an enlarged detail view of the lower sleeve inner wall aperture.
The reference numerals in fig. 1-4: the device comprises a 1-upper combined sleeve cover, a 2-small positive and negative self-locking hand-operated hoister, a 3-upper combined sleeve, a 4-reinforcing steel hook, a 5-fixed pulley, a 6-steel wire rope, a 7-lower sleeve, an 8-water-proof heat-insulating layer, a 9-lower sleeve cover, a 10-groove, 11-protrusions, 12-telescopic devices and 13-holes.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Example 1: as shown in fig. 1-4, the telescopic auxiliary measurer for measuring the flow under ice comprises an upper combined sleeve cover 1, a small positive and negative self-locking hand-operated lifter 2, an upper combined sleeve 3, a steel bar hook 4, a fixed pulley 5, a steel wire rope 6, a lower sleeve 7 and a lower sleeve cover 9; the upper combined sleeve 3 is a concentric combined sleeve with different diameters, wherein the diameter of an upper cylinder part is larger than that of a lower cylinder part, and the lower cylinder part and the lower sleeve 7 are connected through a reinforcing steel bar hook 4; the retractility of the lower cylindrical portion and the lower sleeve 7 is achieved by the insertion of the reinforcing hooks 4 fixed to the upper combining sleeve 3 into the holes 13 at different positions on the inner wall of the lower sleeve 7; the lower extreme of lower sleeve 7 is equipped with lower sleeve lid 9, and the one end of lower sleeve lid 9 is connected with the lower extreme of lower sleeve 7, and wire rope 6's one end is fixed on lower sleeve lid 9, and the other end passes fixed pulley 5 on the inner wall of lower sleeve 7 and is fixed in the small-size positive and negative auto-lock hand lift 2 on the inner wall of upper portion composite sleeve 3 and be connected, is equipped with upper portion composite sleeve lid 1 on the upper portion composite sleeve 3.
Further, the outer walls of the upper combined sleeve 3 and the lower sleeve 7 are provided with a water-proof and heat-insulating layer 8, and the water-proof and heat-insulating layer 8 positioned on the outer wall of the lower sleeve 7 has folding elasticity.
Further, the lower end of the water-proof and heat-insulating layer 8 is zigzag or provided with a telescopic device 12 (for example, a spring can be used).
Further, a protrusion 11 is provided on the outer wall of the lower sleeve 7, and a groove 10 is provided on the inner wall of the upper combined sleeve 3 at the corresponding position contacting with the protrusion 11; in use, the protrusions 11 slide up and down in the grooves 10 for preventing the lower sleeve 7 from being separated from the upper combined sleeve 3.
The application method of the telescopic auxiliary measurer for the flow measurement under ice comprises the following specific steps of:
step A, when the water factor under the ice is needed to be measured after the river is frozen, firstly, a hole with the diameter of the lower cylinder part being adaptive to the size of the ice hole under the upper combined sleeve 3 is chiseled on the ice surface;
step B, placing the lower sleeve 7 and the lower cylinder part of the upper combined sleeve 3 in an ice hole; the auxiliary flow meter is fixed by utilizing the principle that the diameter of the cylindrical part on the upper combined sleeve 3 is larger than the diameter of the ice hole;
step C, if the thickness of the ice layer changes, corresponding adjustment is carried out by changing the way that the reinforcing steel bar hooks 4 are inserted into different holes on the inner wall of the lower sleeve 7;
step D, when measurement is needed, the upper combined sleeve cover 1 is opened, the lower sleeve cover 9 is opened by rotating the small positive and negative self-locking hand-operated lifting machine 2, and then an instrument for measuring the hydrologic element is placed into the water flow under ice through the inside of the auxiliary flow meter to measure the hydrologic element under ice;
step E, taking out the flow measuring instrument after the measurement work is finished, closing the lower sleeve cover 9 by rotating the small positive and negative self-locking hand-operated lifting machine 2 after taking out the instrument, pumping out water in the instrument by utilizing the miniature water pump, and then covering the upper combined sleeve cover 1 to finish the whole measurement work; the next time a measurement is made, the step C, D, E is repeated.
The lower sleeve 7 moves up and down through the cooperation of a steel wire rope 6 fixed on a lower sleeve cover 9, a fixed pulley 5 fixed on the inner wall of the lower sleeve 7 and a small positive and negative self-locking hand lifting machine 2 fixed on the inner wall of the upper combined sleeve 3; the cover 1 of the upper combined sleeve 3 has the function of isolating temperature and sundries after being covered, and the cover 9 of the lower sleeve has the function of isolating water and heat after being tightly covered; the whole instrument is wrapped by the water-proof and heat-insulating layer 8, and the lower half part of the water-proof and heat-insulating layer is provided with folding retractility.
The instrument can manually adjust the length of the instrument according to the thickness change of the ice layer, and meets the requirements of measuring the hydrologic factors under ice under different ice layer thicknesses.
The fixed pulley 5 is arranged on the inner wall of the lower sleeve 7, and when the lower sleeve cover 9 of the lower sleeve 7 is completely opened, the steel wire rope 6 can be attached to the inner walls of the upper combined sleeve 3 and the lower sleeve 7 due to the limiting effect of the fixed pulley 5, so that the use of the flow measuring instrument is not affected.
The opening and closing of the lower sleeve cover 9 of the lower sleeve 7 is controlled by the clockwise and counterclockwise rotation of the small-sized positive and negative self-locking hand hoist 2.
The up-and-down movement of the lower sleeve 7 is controlled by the wire rope 6; the fixation of the lower sleeve 7 is controlled by the reinforcing steel bar hook 4; in order to prevent the lower sleeve 7 from being separated from the upper sleeve 3, a protrusion 11 is provided on the outer wall of the lower sleeve 7, and a groove 10 is provided on the inner wall of the upper sleeve at a corresponding position in contact with the protrusion. See fig. 2 and 3.
The specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (2)
1. A scalable auxiliary measuring device for measuring flow under ice, its characterized in that: the automatic locking device comprises an upper combined sleeve cover (1), a small positive and negative self-locking hand-operated lifting machine (2), an upper combined sleeve (3), a reinforcing steel hook (4), a fixed pulley (5), a steel wire rope (6), a lower sleeve (7) and a lower sleeve cover (9); the upper combined sleeve (3) is a concentric combined sleeve with different diameters, wherein the diameter of an upper cylinder part is larger than that of a lower cylinder part, and the lower cylinder part and the lower sleeve (7) are connected through a reinforcing steel bar hook (4); the retractility of the lower cylinder part and the lower sleeve (7) is realized by embedding the reinforcing steel hooks (4) fixed on the upper combined sleeve (3) into holes (13) at different positions on the inner wall of the lower sleeve (7); the lower end of the lower sleeve (7) is provided with a lower sleeve cover (9), one end of the lower sleeve cover (9) is connected with the lower end of the lower sleeve (7), one end of the steel wire rope (6) is fixed on the lower sleeve cover (9), the other end of the steel wire rope penetrates through a fixed pulley (5) fixed on the inner wall of the lower sleeve (7) to be connected with a small positive and negative self-locking hand-operated lifting machine (2) fixed on the inner wall of the upper combined sleeve (3), and the upper combined sleeve (3) is provided with an upper combined sleeve cover (1);
the outer walls of the upper combined sleeve (3) and the lower sleeve (7) are provided with water-proof and heat-insulating layers (8), and the water-proof and heat-insulating layers (8) positioned on the outer wall of the lower sleeve (7) have folding retractility;
the lower end of the water-proof and heat-insulating layer (8) is zigzag or provided with a telescopic device (12);
a bulge (11) is arranged on the outer wall of the lower sleeve (7), and a groove (10) is arranged on the inner wall of the upper combined sleeve (3) at the corresponding position contacted with the bulge (11); in use, the protrusions (11) slide up and down in the grooves (10) to prevent the lower sleeve (7) from separating from the upper composite sleeve (3).
2. The method of using a telescoping auxiliary measurer for ice flow measurement according to claim 1, wherein: the method comprises the following specific steps:
step A, when the water factor under the ice is needed to be measured after the river is frozen, firstly, a hole with the diameter of the lower cylinder part being adaptive to the size of the ice hole under the upper combined sleeve (3) is chiseled on the ice surface;
b, placing the lower cylinder parts of the lower sleeve (7) and the upper combined sleeve (3) in an ice hole; the auxiliary flow meter is fixed by utilizing the principle that the diameter of the upper cylinder part of the upper combined sleeve (3) is larger than the diameter of the ice hole;
step C, if the thickness of the ice layer changes, corresponding adjustment is carried out by changing the way that the reinforcing steel bar hooks (4) are inserted into different holes on the inner wall of the lower sleeve (7);
step D, when measurement is needed, the upper combined sleeve cover (1) is opened, the lower sleeve cover (9) is opened through the rotary small-sized positive and negative self-locking hand-operated lifting machine (2), and then an instrument for measuring the hydrologic element is placed into the water flow under ice through the telescopic auxiliary measurer to measure the hydrologic element under ice;
step E, taking out the flow measuring instrument after the measurement work is finished, closing the lower sleeve cover (9) through the rotary small positive and negative self-locking hand lifting machine (2) after the flow measuring instrument is taken out, extracting water in the telescopic auxiliary measurer by utilizing the miniature water pump, and then covering the upper combined sleeve cover (1) to finish the whole measurement work; the next time a measurement is made, the step C, D, E is repeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021386.2A CN108195356B (en) | 2018-01-09 | 2018-01-09 | Telescopic auxiliary measurer for sub-ice flow measurement and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021386.2A CN108195356B (en) | 2018-01-09 | 2018-01-09 | Telescopic auxiliary measurer for sub-ice flow measurement and use method thereof |
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| Publication Number | Publication Date |
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| CN108195356A CN108195356A (en) | 2018-06-22 |
| CN108195356B true CN108195356B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810021386.2A Active CN108195356B (en) | 2018-01-09 | 2018-01-09 | Telescopic auxiliary measurer for sub-ice flow measurement and use method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109186561B (en) * | 2018-09-19 | 2020-10-02 | 南京大学 | Method for estimating volume change of under-ice lake |
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| CN201225897Y (en) * | 2008-04-25 | 2009-04-22 | 中国海洋大学 | Bearing and placing device with variable angle for subglacial instrument |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103114841B (en) * | 2013-02-01 | 2015-10-14 | 中国石油天然气股份有限公司 | The concentric direct-reading measurement and adjustment instrument of bridge-type |
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2018
- 2018-01-09 CN CN201810021386.2A patent/CN108195356B/en active Active
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| CN201225897Y (en) * | 2008-04-25 | 2009-04-22 | 中国海洋大学 | Bearing and placing device with variable angle for subglacial instrument |
| CN103454444A (en) * | 2013-08-22 | 2013-12-18 | 国家电网公司 | Speed measuring device for water flow under ice |
| CN104386208A (en) * | 2014-11-06 | 2015-03-04 | 天津远讯科技有限公司 | Underwater section detection buoyage |
| CN104457711A (en) * | 2014-11-06 | 2015-03-25 | 天津远讯科技有限公司 | Shallow towed CTD (conductivity-temperature-depth) monitoring system for Arctic Ocean |
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