CN111058452B - Offshore underwater geotextile spreading tool and use method thereof - Google Patents
Offshore underwater geotextile spreading tool and use method thereof Download PDFInfo
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- CN111058452B CN111058452B CN201911352864.9A CN201911352864A CN111058452B CN 111058452 B CN111058452 B CN 111058452B CN 201911352864 A CN201911352864 A CN 201911352864A CN 111058452 B CN111058452 B CN 111058452B
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- geotextile
- unhooking device
- automatic unhooking
- nylon rope
- excavator
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Revetment (AREA)
Abstract
The invention relates to an offshore underwater geotextile spreading tool and a using method thereof. In the offshore area, the underwater geotextile laying construction of the offshore area can be finished only by using mechanical equipment on land without using divers and ships to operate in a wave rolling area, so that the safety of construction operators and ship equipment is greatly ensured, and the safety benefit is remarkable.
Description
Technical Field
The invention relates to the technical field of near-coast geotextile laying, in particular to an underwater geotextile laying tool for near-coast geotextiles and a use method thereof.
Background
When the underwater geotextile is laid, the construction method is mainly divided into two types: the first type is that ship equipment is selected for laying, and a diver assists in checking the lapping condition of the geotextile; the second category is divers laying underwater.
However, when the construction sea area is in an open sea area, the sea area is not covered by any shield and is affected by rolling waves, the safety of the ship equipment cannot be ensured, the danger is high, and divers cannot work under the sea condition affected by the rolling waves. Therefore, in a construction area greatly affected by rolling waves, the geotextile laying construction close to the coastline becomes a difficult problem to be solved urgently.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an offshore underwater geotextile spreading tool and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an offshore underwater geotextile spreading tool comprises a channel steel carrying pole and a cloth rolling shaft, wherein a plurality of steel wire ropes with equal length are uniformly distributed and fixed at the lower part of the channel steel carrying pole, two second nylon ropes which are symmetrical and have equal length relative to the middle part of the channel steel carrying pole are fixed at the upper part of the channel steel carrying pole, both ends of the cloth rolling shaft are fixed with a driving wheel, the outer side of the driving wheel is connected with a bearing, the outer side of each bearing is connected with a third nylon rope and a first nylon rope, the tail end of the first nylon rope is fixedly connected with a scroll float, the outer side of the cloth rolling shaft is provided with a geotextile roll, the head end of the geotextile roll is a geotextile starting point end head, a plurality of gravel bags are fixed on the geotextile starting point end head, the lower end of the steel wire rope is connected with an automatic unhooking device which is connected with a gravel bag, and a positioning target is fixedly arranged on the top surface of the middle part of the channel steel carrying pole, and scales are arranged on the third nylon rope.
The automatic unhooking device comprises an automatic unhooking device, the automatic unhooking device comprises a weight increasing block on the upper portion and a hook body on the lower portion, a fixing through hole is formed in the middle of the automatic unhooking device, the lower end of a steel wire rope is fixed in the fixing through hole, the weight increasing block is obliquely arranged towards the opening side of the hook body, a movable soft rope is arranged on the gravel bag, and the movable soft rope is movably hung on the hook body of the automatic unhooking device.
And a group of starting point floats, a group of middle point floats and a group of end point floats are respectively arranged on two sides of the geotextile rolled into the geotextile roll from the starting point to the end point.
The use method of the offshore underwater geotextile spreading tool comprises the following steps:
fixing the tail ends of the second nylon ropes on a bucket of the excavator, hanging the tail end of the first nylon rope on a hook preset in the bucket of the excavator, and fixing the tail end of the third nylon rope on a bucket of the loader;
using two total stations to observe the positioning targets to carry out intersection positioning, using an excavator to sink the channel steel carrying pole and the cloth winding shaft into the seabed sand surface after the positioning is finished, moving a bucket of the excavator downwards after the cloth winding shaft reaches the sand surface, enabling the first nylon rope to fall off from the bucket of the excavator, enabling the automatic unhooking device to fall onto the sand surface, enabling the weight increasing block to incline towards the opening side of the hook body and rotate 180 degrees in the vertical direction, enabling the gravel bag to fall off, enabling the hook body of the automatic unhooking device to face upwards, and enabling the gravel bag to be pressed on the end of the start point of the geotextile;
the loader is started, the loader drags the cloth rolling shaft through the third nylon rope, the cloth rolling shaft advances according to a preset line and spreads the geotextile rolls on the cloth rolling shaft by observing the scale of the third nylon rope floating out of the water surface, meanwhile, the excavator is used for putting ballast bagged broken stones on the top surface of the laid geotextile, the geotextile is spread and advanced by monitoring the geotextile spreading state through the reel buoy, and the adjustment is carried out in time.
The invention has the beneficial effects that: according to the invention, the near-shore underwater geotextile spreading tool is used, so that geotextile spreading construction can be realized under the sea condition of a wave rolling zone near the shore, and the construction efficiency is greatly improved; positioning the positioning target by using two total station rendezvous machines, accurately adjusting the start point of the geotextile spreading, controlling the advancing direction by using the scales on the third nylon rope, observing the spreading advancing route and state by using a buoy, obviously improving the precision and stability of the geotextile spreading, and effectively ensuring the quality of the underwater geotextile spreading; in the offshore area, the underwater geotextile laying construction of the offshore area can be finished only by using mechanical equipment on land without using divers and ships to operate in a wave rolling area, so that the safety of construction operators and ship equipment is greatly ensured, and the safety benefit is remarkable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the present invention in use;
fig. 4 is a schematic diagram of the position of the float after the geotextile is spread;
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4;
in the figure: 1-a bearing; 2-a transmission wheel; 3-cloth rolling shaft; 4-channel steel carrying pole; 5-a positioning target; 6-steel wire rope; 7-automatic unhooking device; 8-a gravel bag; 9-geotextile starting point end; 10-geotextile roll; 11-reel float; 12-a first nylon cord; 13-a second nylon cord; 14-a third nylon cord; 15-a loader; 16-an excavator;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention is further illustrated by the following examples:
as shown in fig. 1 to 5, an underwater geotextile spreading tool for offshore areas comprises a channel steel carrying pole 4 and a cloth winding shaft 3, wherein a plurality of steel wire ropes 6 with equal length are uniformly distributed and fixed at the lower part of the channel steel carrying pole 4, two second nylon ropes 13 which are symmetrical and equal in length about the middle part of the channel steel carrying pole 4 are fixed at the upper part of the channel steel carrying pole, a driving wheel 2 is fixed at each end of the cloth winding shaft 3, bearings 1 are connected to the outer sides of the driving wheels 2, a third nylon rope 14 and a first nylon rope 12 are connected to the outer sides of each bearing 1, a reel float 11 is fixed at the tail end of the first nylon rope 12, a geotextile roll 10 is arranged on the outer side of the cloth winding shaft 3, a geotextile starting point end 9 is arranged at the head end of the geotextile roll 10, a plurality of gravel bags 8 are fixed on the geotextile starting point end 9, an automatic unhooking device is connected to the lower end of the steel wire ropes 6, and the automatic unhooking device is connected to the gravel bags 8, and a positioning target 5 is fixedly arranged on the top surface of the middle part of the channel steel carrying pole 4, and scales are arranged on the third nylon rope 14.
The automatic unhooking device comprises an automatic unhooking device 7, the automatic unhooking device 7 comprises a weight increasing block on the upper portion and a hook body on the lower portion, a fixing through hole is formed in the middle of the automatic unhooking device 7, the lower end of a steel wire rope 6 is fixed in the fixing through hole, the weight increasing block is obliquely arranged towards the opening side of the hook body, a movable soft rope is arranged on the gravel bag 8, and the movable soft rope is movably hung on the hook body of the automatic unhooking device 7.
And a group of starting point floats, a group of middle point floats and a group of end point floats are respectively arranged on two sides of the geotextile rolled into the geotextile roll 10 from the starting point to the end point.
The use method of the offshore underwater geotextile spreading tool comprises the following steps:
(1) fixing the tail ends of the second nylon ropes 13 on a bucket of an excavator 16, hanging the tail end of the first nylon rope 12 on a hook preset in the bucket of the excavator 16, and fixing the tail end of the third nylon rope 14 on a bucket of a loader 15;
(2) using two total stations to observe a positioning target 5 for intersection positioning, after the positioning is finished, using an excavator 16 to sink a channel steel carrying pole 4 and a cloth winding shaft 3 into a seabed sand surface, moving a bucket of the excavator 16 downwards after the cloth winding shaft 3 reaches the sand surface, enabling a first nylon rope 12 to fall off from the bucket of the excavator 16, enabling an automatic unhooking device 7 to fall onto the sand surface, enabling a weight increasing block to incline towards the opening side of a hook body and rotate 180 degrees along the vertical direction, enabling a gravel bag 8 to fall off, enabling the hook body of the automatic unhooking device 7 to face upwards, and enabling the gravel bag 8 to be pressed on a geotextile starting point end 9;
(3) the loader 15 is started, the loader 15 drags the cloth winding shaft 3 through the third nylon rope 14, the cloth winding shaft 3 advances according to a preset line by observing the scale of the third nylon rope 14 floating out of the water surface and spreads the geotextile roll 10 on the cloth winding shaft 3, meanwhile, the excavator 16 is used for putting ballast bagged broken stones on the top surface of the laid geotextile for ballasting, and the reel buoy 11 is used for monitoring the geotextile spreading advancing state and timely adjusting the geotextile spreading advancing state.
When the automatic cloth pressing device is used, the channel steel carrying pole is made of a 16# channel steel with the length of 6.5m, four hanging points are welded on the lower edge of the channel steel carrying pole 4, a steel wire rope 6 is fixedly hung below each hanging point, the tail end of the steel wire rope 6 is fixedly connected with an automatic unhooking device 7, a gravel bag 8 for cloth pressing is hung on a hook body of the automatic unhooking device 7, when the gravel bag 8 touches a sand surface, a weight increasing block of the automatic unhooking device 7 inclines towards the opening side of the hook body, the gravel bag 8 falls off from the hook body, the weight increasing block continuously inclines downwards and is located at the lowest part, the hook body is upward, the automatic unhooking function is realized, and the automatic unhooking device 7 can be recycled.
The cloth rolling shaft 3 is formed by respectively welding two ends of a hollow steel pipe with the length of 6.5m and the outer diameter of 20cm with two waste dump truck rear wheel bearings 1 which rotate well and a hub in a matching way.
According to the invention, the near-shore underwater geotextile spreading tool is used, so that geotextile spreading construction can be realized under the sea condition of a wave rolling zone near the shore, and the construction efficiency is greatly improved; positioning the positioning target 5 by using two total station rendezvous machines, accurately adjusting the start point of the geotextile spreading, controlling the advancing direction by using the scales on the third nylon rope 14, observing the spreading advancing route and state by using a buoy, obviously improving the precision and stability of the geotextile spreading, and effectively ensuring the quality of the underwater geotextile spreading; in the offshore area, the underwater geotextile laying construction of the offshore area can be finished only by using mechanical equipment on land without using divers and ships to operate in a wave rolling area, so that the safety of construction operators and ship equipment is greatly ensured, and the safety benefit is remarkable.
The offshore shore underwater geotextile spreading tool disclosed by the invention realizes the purpose of spreading the offshore shore geotextile without matching a ship and a diver, can accurately position the geotextile spreading position under the condition of not using the ship and the diver, prevents the geotextile from rapidly sinking into the seabed due to self buoyancy, simultaneously realizes automatic separation of the geotextile and lifting equipment, avoids the problem of difficulty in quality control caused by invisible geotextile spreading position, and also avoids the problem of difficulty in linear propulsion according to a preset line when the geotextile is spread underwater.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various modifications, which may be made by the methods and technical solutions of the invention, or may be applied to other applications without modification.
Claims (4)
1. The offshore underwater geotextile spreading tool is characterized by comprising a channel steel carrying pole (4) and a cloth rolling shaft (3), wherein a plurality of steel wire ropes (6) with equal length are uniformly distributed and fixed at the lower part of the channel steel carrying pole (4), two second nylon ropes (13) which are symmetrical and equal in length about the middle part of the channel steel carrying pole (4) are fixed at the upper part of the channel steel carrying pole, a driving wheel (2) is fixed at each end of the cloth rolling shaft (3), bearings (1) are connected to the outer side of the driving wheel (2), a third nylon rope (14) and a first nylon rope (12) are connected to the outer side of each bearing (1), a reel float (11) is fixedly connected to the tail end of each first nylon rope (12), a geotextile roll (10) is arranged on the outer side of the cloth rolling shaft (3), a geotextile starting end (9) is arranged at the head end of the geotextile roll (10), a plurality of gravel bags (8) are fixed on the geotextile starting end (9), the lower end of the steel wire rope (6) is connected with an automatic unhooking device, the automatic unhooking device is connected with a gravel bag (8), a positioning target (5) is fixedly arranged on the top surface of the middle of the channel steel carrying pole (4), and scales are arranged on the third nylon rope (14).
2. The offshore underwater geotextile spreading tool according to claim 1, wherein the automatic unhooking device comprises an automatic unhooking device (7), the automatic unhooking device (7) comprises an upper weight increasing block and a lower hook body, a fixing through hole is formed in the middle of the automatic unhooking device (7), the lower end of the steel wire rope (6) is fixed in the fixing through hole, the weight increasing block is obliquely arranged towards the opening side of the hook body, a movable soft rope is arranged on the gravel bag (8), and the movable soft rope is movably hung on the hook body of the automatic unhooking device (7).
3. Offshore underwater geotextile spreading tool according to claim 2, wherein the geotextile rolled into the geotextile roll (10) is provided with a group of start floats, a group of middle floats and a group of end floats from start point to end point on both sides.
4. A method of using the underwater offshore geotextile laying tool of any of claims 2-3, comprising the steps of:
(1) fixing the tail ends of the second nylon ropes (13) on a bucket of an excavator (16), hanging the tail end of the first nylon rope (12) on a hook preset in the bucket of the excavator (16), and fixing the tail end of the third nylon rope (14) on the bucket of a loader (15);
(2) the positioning target (5) is observed by using two total stations for intersection positioning, after the positioning is finished, the channel steel carrying pole (4) and the cloth winding shaft (3) are sunk into a seabed sand surface by using an excavator (16), a bucket of the excavator (16) is moved downwards after the cloth winding shaft (3) reaches the sand surface, the first nylon rope (12) falls off from the bucket of the excavator (16), the automatic unhooking device (7) falls onto the sand surface, the weighting block inclines towards the opening side of the hook body and rotates 180 degrees along the vertical direction, the gravel bag (8) falls off, the hook body of the automatic unhooking device (7) faces upwards, and the gravel bag (8) is pressed on the geotextile starting point (9);
(3) the loading machine (15) is started, the loading machine (15) drags the cloth rolling shaft (3) through the third nylon rope (14), the cloth rolling shaft (3) advances according to a preset line and spreads the geotextile rolls (10) on the cloth rolling shaft (3) by observing the scale of the water surface floated by the third nylon rope (14), meanwhile, an excavator (16) is used for putting ballast bags on the top surface of the laid geotextile, the advancing state of the geotextile is monitored through the reel buoy (11), and the geotextile spreading advancing state is timely adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352864.9A CN111058452B (en) | 2019-12-25 | 2019-12-25 | Offshore underwater geotextile spreading tool and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911352864.9A CN111058452B (en) | 2019-12-25 | 2019-12-25 | Offshore underwater geotextile spreading tool and use method thereof |
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| CN111058452A CN111058452A (en) | 2020-04-24 |
| CN111058452B true CN111058452B (en) | 2021-07-30 |
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| CN104652403A (en) * | 2015-01-28 | 2015-05-27 | 浙江科技学院 | Underwater geotechnical cloth lapping and pavement method |
| CN107829432A (en) * | 2017-11-29 | 2018-03-23 | 广州中国科学院工业技术研究院 | A kind of underwater paving action and paving embankment method |
| CN207362786U (en) * | 2017-05-15 | 2018-05-15 | 浙江省第一水电建设集团股份有限公司 | A kind of profundal zone geotextile laying alignment system |
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2019
- 2019-12-25 CN CN201911352864.9A patent/CN111058452B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299903A (en) * | 2000-10-30 | 2001-06-20 | 中国水利水电科学研究院 | Underwater drawing, arranging and constructing process |
| KR20040028174A (en) * | 2002-09-30 | 2004-04-03 | 최귀봉 | Method for laying civil engineering textile on the soft ground for approach of equipments to the soft ground |
| CN201785741U (en) * | 2010-07-13 | 2011-04-06 | 红阳建设集团有限公司 | Underwater geotextile laying equipment |
| CN102758419A (en) * | 2012-07-31 | 2012-10-31 | 长江南京航道工程局 | Method for deep-water interlocking row laying construction based on movable reinforced bars |
| CN203238594U (en) * | 2013-03-19 | 2013-10-16 | 中交一航局第二工程有限公司 | Geotextile-laying vessel sliding plate supporting device |
| CN203361091U (en) * | 2013-06-24 | 2013-12-25 | 长江南京航道工程局 | Operation system for loading transverse guide rails on geotextile-laying vessel |
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| CN111058452A (en) | 2020-04-24 |
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