CN113136848A - Underwater partition curtain and mounting method thereof - Google Patents
Underwater partition curtain and mounting method thereof Download PDFInfo
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- CN113136848A CN113136848A CN202110577495.4A CN202110577495A CN113136848A CN 113136848 A CN113136848 A CN 113136848A CN 202110577495 A CN202110577495 A CN 202110577495A CN 113136848 A CN113136848 A CN 113136848A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
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Abstract
本发明公开了一种水下隔物帘及其安装方法，水下隔物帘包括多块隔物帘布、浮筒、横杠以及配重杆；所述多块隔物帘布等距间隔布置，每块隔物帘布的左右两端设置有等间距布置的多个孔眼；两块相邻隔物帘布之间设置有横杠，所述横杠两端设置有钢构件，所述钢构件通过螺栓或铆钉固定在相邻两块隔物帘布之间，钢构件上设有连接孔；最底端的隔物帘布的下端设置有配重杆，最上端的隔物帘布卷绕在浮筒上。本发明水下隔物帘结构简单，可以简化操作流程，提高施工效率，并可调节水下隔物帘的展开长度和拼接不同宽度，适应不同水深、不同的水底地貌以及不同隔物情况。
The invention discloses an underwater partition curtain and an installation method thereof. The underwater partition curtain comprises a plurality of partition curtains, a buoy, a horizontal bar and a counterweight rod; the multiple partition curtains are arranged at equal intervals, and each The left and right ends of the spacer curtains are provided with a plurality of holes arranged at equal intervals; horizontal bars are arranged between two adjacent spacer curtains, and steel members are provided at both ends of the horizontal bars, and the steel members are provided with bolts or The rivets are fixed between two adjacent spacer curtains, and the steel members are provided with connecting holes; the lower end of the bottommost spacer curtain is provided with a counterweight rod, and the uppermost spacer curtain is wound on the buoy. The underwater partition curtain of the invention has a simple structure, can simplify the operation process, improve the construction efficiency, and can adjust the unfolding length and splicing different widths of the underwater partition curtain, so as to adapt to different water depths, different underwater topography and different partition conditions.
Description
Technical Field
The invention relates to the technical field of wading engineering, in particular to an underwater partition curtain and an installation method thereof.
Background
With the rapid development of construction technology, the construction of various water-wading projects such as offshore projects, near lakes and the like is more and more, and the water construction purpose can be achieved by adopting the technologies such as drainage piles, water steel platforms and the like. However, in the construction process, the influence and even damage to the water body and the surrounding environment are inevitable, or the influence on the construction safety and convenience is caused by the unfavorable muddy soil layer under water, so how to develop the water-contacting building and the water-borne building, reduce and control the diffusion of the pollution of the building wastes, efficiently construct the safe and reliable hydraulic engineering building, and become a problem of the world attention.
The underwater separating curtain is the latest application for treating water pollution, the petroleum pollution of water bodies which are much concerned by people in the past is only on the surface of the water bodies, and the pollution caused by the accidents of factory sewage discharge systems and water construction in recent years is always in the water bodies. The traditional antifouling measures only play a role in blocking pollution on the surface of a water area, and do not play a role in blocking pollutants suspended in the water.
The underwater partition curtain has wide prospect in treating water area pollutants, and can treat water pollutants caused by the influence of original harmful sludge in a water area and in the process of engineering construction. The water area protected by the water body antifouling curtain can effectively prevent further diffusion of pollutants, has a protection effect on the water area, is beneficial to environmental protection, and has obvious social benefits.
However, the existing underwater partition curtain has a complex structure and low construction efficiency, and the distribution length and the splicing width of the partition curtain are not adjustable, so that the existing underwater partition curtain cannot adapt to different water depths, different underwater landforms and different partition conditions.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides an underwater partition curtain which is simple in structure, capable of simplifying the operation process, improving the construction efficiency, and capable of adjusting the unfolding length and splicing different widths of the underwater partition curtain, and adapting to different water depths, different underwater landforms and different partition conditions.
Another object of the present invention is to provide a method of installing an underwater barrier curtain.
The purpose of the invention can be realized by the following technical scheme: an underwater partition curtain comprises a plurality of partition curtain cloth, a buoy, a cross bar and a weight bar; the partition curtain cloth is arranged at equal intervals, and a plurality of eyelets are arranged at equal intervals at the left end and the right end of each partition curtain cloth; a cross bar is arranged between two adjacent partition curtain cloth, steel members are arranged at two ends of the cross bar, the steel members are fixed between the two adjacent partition curtain cloth through bolts or rivets, and connecting holes are formed in the steel members; the lower end of the bottom spacer curtain cloth is provided with a balance weight rod, and the top spacer curtain cloth is wound on the buoy.
Furthermore, a connecting hole is formed in the steel member; anchoring steel bars are arranged between every two underwater partition curtains, and every two adjacent underwater partition curtains are arranged in an aligned mode; at the connecting position of two adjacent underwater partition curtains, a shackle penetrates through connecting holes in steel members of the two adjacent underwater partition curtains and is connected with an anchoring steel bar, and the upper and lower adjacent shackles are connected through a first connecting rod.
Furthermore, a row of eyelets which are arranged at equal intervals are arranged at the left end and the right end of each partition curtain cloth, and the eyelets of two adjacent underwater partition curtains are connected through ropes, spring buckles or restraint belts.
Furthermore, two connecting holes are formed in the steel member; anchoring steel bars are arranged between every two underwater partition curtains, and every two adjacent underwater partition curtains are arranged in a staggered mode; two adjacent steel members on the same underwater partition curtain are connected with the anchoring reinforcing steel bars through shackles respectively, and the two adjacent shackles are connected through a second connecting rod.
Furthermore, two rows of eyelets which are arranged at equal intervals are arranged at the left end and the right end of each partition curtain cloth, and the two eyelets in the same row of the same underwater partition curtain are respectively connected with the anchoring steel bars through spring buckles or restraint belts.
Furthermore, the partition cord fabric is rectangular, 20m long and made of polyester woven canvas.
Furthermore, warning light and reflective strip are installed at the top of anchor reinforcing bar, the reflective strip is pasted on the flotation pontoon.
Furthermore, the flotation pontoon is airtight hollow barrel, and the flotation pontoon both ends are equipped with the hexagon recess, the recess matches with the hexagon outer wall face of rotatory handle, fixed handle.
Further, fixed handle includes fixed block and fixed iron chain, and fixed iron chain one end is connected with the fixed block, and a snak link is connected to the other end.
The other purpose of the invention can be realized by the following technical scheme: a method for installing an underwater partition curtain comprises the following steps:
establishing an overwater construction platform by using a floating raft, and placing an underwater partition curtain to be installed on the construction platform;
positioning the position of a first underwater partition curtain by using a first anchoring steel bar in advance on water;
placing the first underwater barrier curtain to a preset position and connecting one end of the first underwater barrier curtain with the first anchoring steel bar;
positioning the position of the next adjacent underwater partition curtain by using a second anchoring steel bar on water in advance;
conveying the next underwater partition curtain to a preset position, and connecting the next underwater partition curtain with the previous underwater partition curtain and the second anchoring steel bar;
repeatedly placing another underwater partition curtain until all the underwater partition curtains are placed;
and connecting the last underwater partition curtain with the last anchoring steel bar.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the underwater partition curtain is integrally prefabricated in a factory, and can be constructed and arranged in a dirt-proof belt after being conveyed to a construction site through the connecting piece and the anchoring reinforcing steel bar, so that the operation flow is simplified, and the construction efficiency is improved.
2. The underwater partition curtain can be quickly folded and unfolded through the rotary handle, the unfolding length of the partition curtain cloth can be adjusted, different widths can be spliced, the underwater partition curtain can adapt to different water depths, different underwater landforms and different partition conditions, and the antifouling partition effect can be fully played.
3. The underwater spacer curtain is only connected with the anchoring reinforcing steel bars, so that the arrangement of the underwater spacer curtain protective belt can be adjusted by pulling out the anchoring reinforcing steel bars from the buried depth and moving the anchoring reinforcing steel bars after installation, and the adjustment and the change of engineering are facilitated. And the underwater spacer curtain protective belt can be quickly and conveniently opened by completely pulling out the anchoring reinforcing steel bars so as to meet the requirements of navigation and the like.
4. The underwater partition curtain is provided with the reflective strips and the warning lamps, can play a good warning role in all weather, and avoids collision with ships or facilities in the water area.
Drawings
FIG. 1 is a schematic structural view of an underwater partition installed in a state of the curtain according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of an underwater partition curtain in a fixed state according to a first embodiment of the present invention;
FIG. 3 is a side view of an underwater barrier curtain in accordance with one embodiment of the present invention;
FIG. 4 is a schematic view of a rotary handle according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a fixed handle according to an embodiment of the present invention;
FIG. 6 is a schematic view of the connection of two adjacent underwater barriers according to one embodiment of the present invention;
FIG. 7 is a schematic view of the connection of the shackle of FIG. 6 at A;
FIG. 8 is another embodiment of the eyelet connection at B in FIG. 6;
FIG. 9 is another embodiment of the eyelet connection at B in FIG. 6;
FIG. 10 is a schematic structural view of a second embodiment of the present invention showing a fixed underwater partition curtain;
FIG. 11 is a schematic view of the connection between two adjacent underwater barriers according to the second embodiment of the present invention;
FIG. 12 is a schematic view of the connection of the shackle of FIG. 11 at C;
fig. 13 is a schematic view of the connection of the eyelet to the anchoring bar at D in fig. 11.
Wherein: 1: a buoy, 11: groove, 2: steel member, 21: bolt hole, 22: connection hole, 23: second steel member, 24: third steel member, 25: fourth steel member, 26: first steel member, 3: partition fabric, 31: eyelet, 32: weight lever, 33: second barrier curtain, 34: first barrier curtain, 4: horizontal bar, 5: rotating handle, 6: fixed handle, 61: fixed block, 62: fixed iron chain, 7: anchoring steel bar, 8: shackle, 91: rope, 92: snap fastener, 93: restraint band, 10: first link, 100: a second link.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Example one
As shown in fig. 1, 2 and 3, the underwater partition curtain comprises a plurality of partition curtain fabrics 3, a buoy 1, a cross bar 4 and a balance weight bar 32. The partition curtain cloth is arranged at equal intervals, a row of eyelets 31 are arranged at the left end and the right end of each partition curtain cloth at equal intervals, the spacing height of the eyelets is 10cm, namely four eyelets are respectively arranged at the left end and the right end between two adjacent partition curtain cloths, and the diameter of each eyelet is 19 mm. The partition curtain cloth is rectangular and 20m long, and is made of Polyester (PET) woven canvas. A cross bar is arranged between two adjacent partition curtain cloth and connected with the partition curtain cloth through bolts or rivets, and the cross bar is used for stabilizing the partition curtain cloth. The horizontal bar both ends are provided with steel member 2, through welded connection between steel member and the horizontal bar. Bolt holes 21 are formed in four corners of the steel member, the steel member is fixed between two adjacent partition curtain cloth through bolts or rivets, and a connecting hole 22 is formed in the center of the steel member. The lower end of the bottom-most spacer curtain cloth is provided with a counterweight rod which can be an iron chain, a metal strip, concrete or other rods with heavy dead weight, so that the spacer curtain cloth can automatically sink to the bottom.
The buoy 1 is a closed hollow cylinder body and can be made of polyethylene, polyurethane foam and copolymer foam materials, the spacer curtain cloth at the uppermost end is wound on the buoy, and the spacer curtain cloth can be wound outside the buoy through rotation of the buoy around an axis. The sides of the two ends of the float bowl are provided with hexagonal grooves 11, as shown in fig. 4, the rotating handle 5 is Z-like, the cross section of the rotating handle is hexagonal and the size of the rotating handle corresponds to the size of the groove. As shown in fig. 5, the fixing handle 6 includes a fixing block 61 and a fixing iron chain 62, the fixing block is a hexagonal column, the cross-sectional shape of the fixing block is hexagonal and the size of the fixing block corresponds to that of the groove, and the end of the fixing iron chain 62 is connected with a stainless steel spring fastener. When the underwater partition curtain needs to be unfolded, the rotating handle is inserted into the groove, the rotating buoy rotates to enable the partition curtain cloth to be unfolded, when the unfolding length of the partition curtain cloth reaches the required length or the lower end of the lowermost partition curtain cloth reaches the water bottom, the rotating handle is taken down and the fixing handle is inserted into the groove, and the fixing iron chain of the fixing handle fixes the eyelet at the uppermost end of the unfolded partition curtain cloth.
As shown in fig. 6, when two underwater partitions are connected, an anchoring bar 7 is disposed between two adjacent underwater partitions, in this embodiment, two adjacent underwater partitions are aligned, that is, the first underwater partition 34 is aligned with the second underwater partition 33. As shown in fig. 7, at the connection position of the first underwater barrier curtain and the second underwater barrier curtain, the shackle 8 is used to pass through the connection hole of the second steel member 23 of the first underwater barrier curtain and the connection hole of the first steel member 26 of the second underwater barrier curtain and to be connected with the anchoring bar. The same shackle 8 is used to pass through the connection hole of the fourth steel member 25 on the first underwater barrier and the connection hole of the third steel member 24 on the second underwater barrier and to be connected with the anchoring bar. Two upper and lower shackles are connected using first connecting rod 10, and first connecting rod both ends have the sleeve pipe in order to cup joint two upper and lower shackles and lock with the bolt is tight, and first connecting rod can increase the vertical stability of separation thing curtain under water.
The eyelets at the connection positions of the first underwater barrier curtain and the second underwater barrier curtain may be connected one by one in the connection manner of fig. 6 using a nylon rope having a diameter of 16 mm. As shown in fig. 8 and 9, a spring buckle 92 or a disposable restraint belt 93 can be used to connect the eyelets of two adjacent underwater partitions, so as to ensure that the positions of the two underwater partitions are not deviated.
The installation process of the underwater partition curtain in the embodiment is as follows: and (3) establishing an overwater construction platform by using the floating raft, and placing an underwater partition curtain to be installed on the construction platform. The first anchoring steel bar is used for positioning the position of the first underwater spacer curtain in advance on water, and the pre-burying is not less than 1 m. The rotary handle is arranged in the grooves at two sides of the first underwater partition curtain, and the rotary handle is rotated to continuously unfold the partition curtain cloth. Meanwhile, one end of the underwater partition curtain close to the anchoring reinforcing steel bar is connected with the steel member and the anchoring reinforcing steel bar through the shackle, the eyelet and the anchoring reinforcing steel bar are connected through the spring buckle or the one-time restraint belt, and the first connecting rod is further used for connecting the upper shackle and the lower shackle. When an eyelet or steel member is connected, the rotating handle is rotated to deploy the partition curtain and to allow the connected portion to sink. Until the partition curtain cloth reaches the water bottom, the rotary handle is pulled out, the fixed handle is inserted into the groove of the buoy, and the fixed iron chain is connected with the holes at the uppermost ends of the two ends of the partition curtain cloth so as to fix the opening length of the partition curtain cloth. And one end of the partition curtain cloth, which is far away from the anchoring steel bar, is placed on the construction platform frame to wait for connection with the next adjacent underwater partition curtain.
And fixing the second anchoring steel bar at the position where the previous underwater partition curtain is connected with the next adjacent underwater partition curtain, and meeting a certain pre-buried depth. And conveying the next underwater partition curtain to a preset position, aligning the second underwater partition curtain with the first underwater partition curtain, and connecting the first underwater partition curtain and the second underwater partition curtain at the connecting position of the first underwater partition curtain and the second underwater partition curtain by using shackles to penetrate through the steel member connecting hole of the first underwater partition curtain and the steel member connecting hole of the second underwater partition curtain and be connected with the anchoring steel bar. Connecting upper and lower adjacent shackles by using a first connecting rod; the eyelets of two adjacent underwater barrier curtains are connected by ropes, spring buckles or disposable restraint belts.
When the connection of one eyelet or steel member is finished, the rotating handle is rotated to unfold the next underwater partition curtain and enable the part of the adjacent underwater partition curtains which is connected to sink. Until the underwater object separation curtain reaches the water bottom, the rotary handle is pulled out, the fixed handle is inserted into the buoy groove, and the fixed iron chain is connected with the hole at the uppermost end of the next underwater object separation curtain so as to fix the unfolding length of the next underwater object separation curtain. And one end of the next underwater partition curtain, which is far away from the anchoring steel bar, is placed on the construction platform frame to wait for being connected with the other adjacent underwater partition curtains. And repeating the steps until all the underwater partition curtains are placed, and connecting the last underwater partition curtain with the last anchoring steel bar.
The anchor reinforcing bar adopts the ribbed reinforcing bar in this embodiment, and mountable warning light and reflection of light strip in anchor reinforcing bar top, and can paste reflection of light strip on the flotation pontoon under water after the partition curtain is fixed, reminds night the ship to move and dodges. The underwater partition curtain of the embodiment has good connection sealing performance, is suitable for being used in water areas with higher dirt prevention or partition requirements, and is not opened due to the protection belt of the underwater partition curtain. The underwater partition curtain is prefabricated in a factory, the finished product is formed by wrapping the partition curtain cloth around the buoy, and the eyelet, the steel member, the cross bar and the balance weight rod of the underwater partition curtain are all installed.
Example two
In the present embodiment, as shown in fig. 10, each of the partition fabrics of the underwater partition is provided with two rows of holes 31 arranged at equal intervals at the left and right ends, and the steel members provided at the two ends of the horizontal bar are provided with two connecting holes 22. The other parts not mentioned are the same as the first embodiment.
As shown in fig. 11, when two underwater barrier curtains are connected, an anchoring bar 7 is disposed between two adjacent underwater barrier curtains, in this embodiment, two adjacent underwater barrier curtains are arranged in a staggered manner, that is, a first underwater barrier curtain 34 and a second underwater barrier curtain 33 are arranged in a staggered manner. In order to connect steel members or eyelets of adjacent underwater partition curtains tightly and reduce the size of a hole at the joint of the first underwater partition curtain and the second underwater partition curtain, the adjacent underwater partition curtains are staggered by 20mm in height.
As shown in fig. 12, at the connection position of the first underwater barrier curtain and the second underwater barrier curtain, shackles 8 are used to pass through two connection holes 22 of a second steel member 23 on the first underwater barrier curtain and to be connected with anchoring bars 7; and shackles are used to penetrate through two connection holes of the fourth steel member 25 on the first underwater barrier curtain and are connected with the anchoring reinforcing bars, and the two shackles are connected by using a second connecting rod 100. Similarly, shackles are used to pass through the two connection holes 22 of the first steel member 26 on the second underwater barrier and to be connected with the anchoring bars; shackles are used to pass through two coupling holes of the second steel member 24 of the second underwater spacer curtain and to be coupled with the anchoring bars, and the shackles are coupled with each other using a second link 100. The anchoring reinforcing steel bar in the embodiment adopts a smooth round steel bar, and also can adopt section steel or a prefabricated rod piece.
As shown in fig. 13, the snap fasteners 92 are used to pass through the two eyelets 31 of the first underwater barrier and are connected to the anchoring bars 7, and likewise, the snap fasteners 92 are used to pass through the two eyelets 31 of the second underwater barrier and are connected to the anchoring bars 7. In the embodiment, the underwater spacer curtain is only connected with the anchoring steel bars, so that the arrangement of the underwater spacer curtain protective belt can be adjusted by pulling out the anchoring steel bars from the buried depth and moving the anchoring steel bars after installation, and the adjustment and the change of engineering are facilitated. The underwater partition curtain protective belt can be quickly and conveniently opened by completely pulling out the anchoring reinforcing steel bars, so that the requirements of navigation and the like are met.
The installation process of the underwater partition curtain in the embodiment is as follows: and (3) establishing an overwater construction platform by using the floating raft, and placing an underwater partition curtain to be installed on the construction platform. The first anchoring steel bar is used for positioning the position of the first underwater spacer curtain in advance on water, and the pre-burying is not less than 1 m. The rotary handle is arranged in the grooves at two sides of the first underwater partition curtain, and the rotary handle is rotated to continuously unfold the partition curtain cloth. Meanwhile, one end of the underwater partition curtain close to the anchoring reinforcing steel bar is connected with the steel member and the anchoring reinforcing steel bar through the shackle, the eyelet and the anchoring reinforcing steel bar are connected through the spring buckle or the one-time restraint belt, and the upper and lower adjacent shackles are connected through the second connecting rod. When an eyelet or steel member is connected, the rotating handle is rotated to deploy the partition curtain and to allow the connected portion to sink. Until the partition curtain cloth reaches the water bottom, the rotary handle is pulled out, the fixed handle is inserted into the groove of the buoy, and the fixed iron chain is connected with the holes at the uppermost ends of the two ends of the partition curtain cloth so as to fix the opening length of the partition curtain cloth. And one end of the partition curtain cloth, which is far away from the anchoring steel bar, is placed on the construction platform frame to wait for connection with the next adjacent underwater partition curtain.
And fixing the second anchoring steel bar at the position where the previous underwater partition curtain is connected with the next adjacent underwater partition curtain, and meeting a certain pre-buried depth. And conveying the next underwater partition curtain to a preset position, installing a rotating handle in grooves at two sides of the next underwater partition curtain, and rotating the rotating handle to continuously unfold the partition curtain. The first underwater partition curtain and the second partition curtain are opposite in rotating and unfolding directions and are in crossed lap joint with the length of one steel member, adjacent underwater partition curtains are arranged in a staggered mode, and the second anchoring steel bar is located between the adjacent partition curtains. And the second connecting rod is respectively connected with two upper and lower adjacent shackles of the first underwater partition curtain. Similarly, shackles are used to connect the second underwater barrier curtain to the anchoring reinforcement, and the upper and lower adjacent shackles are connected by a second link. And a spring buckle or a disposable restraint strap is respectively used for passing through two eyelets of the first underwater partition curtain and the second underwater partition curtain and is connected with the anchoring steel bar.
When the connection of one eyelet or steel member is finished, the rotating handle is rotated to unfold the next underwater partition curtain and enable the part of the adjacent underwater partition curtains which is connected to sink. Until the underwater partition curtain cloth reaches the water bottom, the rotary handle is pulled out, the fixed handle is inserted into the buoy groove, and the fixed iron chain is connected with the uppermost eyelet of the next underwater partition curtain so as to fix the unfolding length of the next underwater partition curtain. And one end of the next underwater partition curtain, which is far away from the anchoring steel bar, is placed on the construction platform frame to wait for being connected with the other adjacent underwater partition curtains. And repeating the steps until all the underwater partition curtains are placed, and connecting the last underwater partition curtain with the last anchoring steel bar.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
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| CN202110577495.4A CN113136848B (en) | 2021-05-26 | 2021-05-26 | Underwater barrier curtain and installation method thereof |
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| CN116856428A (en) * | 2023-05-25 | 2023-10-10 | 中交广州航道局有限公司 | Sand cushion layer throwing and filling construction system and sand cushion layer throwing and filling construction method |
| CN116623625A (en) * | 2023-07-11 | 2023-08-22 | 中交第四航务工程局有限公司 | Antifouling structure for DCM pile ship construction and use method thereof |
| CN116623625B (en) * | 2023-07-11 | 2024-07-02 | 中交第四航务工程局有限公司 | Antifouling structure for DCM pile ship construction and use method thereof |
| WO2025055394A1 (en) * | 2023-09-15 | 2025-03-20 | 中交第三航务工程局有限公司 | Anti-fouling curtain |
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| CN113136848B (en) | 2025-08-26 |
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