CN214219597U - One-side supporting-anchor pulling dirt blocking screen in river channel dredging water - Google Patents
One-side supporting-anchor pulling dirt blocking screen in river channel dredging water Download PDFInfo
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- CN214219597U CN214219597U CN202021659553.5U CN202021659553U CN214219597U CN 214219597 U CN214219597 U CN 214219597U CN 202021659553 U CN202021659553 U CN 202021659553U CN 214219597 U CN214219597 U CN 214219597U
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Abstract
The utility model relates to a single-side support-anchor-pull dirt blocking screen in river channel dredging water, which comprises a floating body, a steel cable, a wave net, geotextile, a steel pipe support, an anchor pull and the like; the floating body is formed by splicing a semi-cylindrical floating body with a clamping hole and a bolt, and a transverse steel cable groove and a vertical steel cable groove are formed in the floating body; the steel cable comprises an upper steel cable, a lower steel cable and a vertical steel cable; the adjacent floating bodies are connected in series through upper transverse cables; the wave-passing net steel bar net sheet is arranged inside the floating body; the geotextile comprises a dirt blocking geotextile and a wave passing geotextile; the steel pipe support and the pull anchor are positioned on the same side in the construction area; the wave-passing net and the wave-passing geotextile are arranged below the floating body, so that silt is intercepted when no wave exists, and when a large wave exists, the wave opens the wave-passing geotextile, so that the displacement and impact influence of the wave on the trash screen is weakened, and the service life is prolonged; the steel pipe support and the pull anchor are arranged on one side of the river channel construction area to form a one-side pull-support structure, so that the influence on a navigation area can be reduced.
Description
Technical Field
The utility model relates to a river course is dredged and is blocked dirty screen construction, concretely relates to unilateral river course construction, unilateral support-anchor pull and block dirty screen in unilateral navigation dredging aquatic.
Background
With the development of coastal economy, the importance of ocean transportation is increasingly prominent in recent years, and the maintenance dredging of harbors, channels and anchor areas of large ports along the sea and harbor channel engineering of newly built ports are also increased. The river channel dredging and the channel construction engineering are difficult to avoid slurry diffusion caused by stirring underwater silt, so that certain influence is caused on surrounding water areas, and the normal production of marine environment and fishery is greatly influenced. In order to reduce the influence of construction on the environment as much as possible, generally, a trash rack is adopted for antifouling treatment, and through a plurality of trash rack engineering examples, the following aspects are found to be improved: 1. geotextile is bound below the floating body, certain influence is caused on the floating body and the fixed support due to ship waves in a navigation area, and regular inspection and enclosure are required; 2. the left side and the right side of the dirt blocking screen are generally provided with the pull anchors or the supports, so that the navigation area of a navigation area is reduced; 3. the fixed support (pile) of the sewage blocking screen is only provided with a single vertical support (pile), so that large support displacement can be caused by wave and wind load, the sewage blocking screen is greatly displaced, and the sewage blocking effect is weakened; 4. the geotextile is not reliably connected with the floating body or the connection steps are multiple, and the construction period is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems existing in the construction of the prior river channel dredging trash blocking screen, provides a river channel dredging underwater unilateral supporting-anchor pulling trash blocking screen, and adopts the following technical scheme.
The single-side support-anchor pulling dirt blocking screen in the river channel dredging water is characterized by comprising a floating body, a steel cable, a wave passing net, geotextile, a steel pipe support, an anchor pulling, a warning lamp and the like; the floating body is formed by splicing semi-cylindrical floating bodies which are respectively provided with corresponding clamping holes and bolts, and the middle part of the floating body is provided with a transverse steel cable groove which transversely penetrates through the floating body and a vertical steel cable groove which is connected with the transverse steel cable groove and is at a gravity center point; the steel cable comprises a transverse steel cable penetrating through the interior of the floating body, a lower steel cable parallel to the upper steel cable, and a vertical steel cable which connects the upper steel cable and the lower steel cable and is positioned in the interior of the floating body; the adjacent floating bodies are connected in series through upper transverse cables; the steel bar net piece of the wave passing net is arranged in the floating body, and the top of the wave passing net is bound and fixed with the transverse steel cable; the geotextile comprises a dirt blocking geotextile positioned below a normal water level line and a wave passing geotextile on the normal water level surface; the standard section of the dirt-blocking geotextile is 10-20 m long, the left end part and the right end part of the dirt-blocking geotextile are respectively provided with a reverse-wrapping metal plate, reinforcing strips are arranged on two sides of each metal plate, adjacent dirt-blocking geotextiles are spliced by wrapping the metal plates, and the dirt-blocking geotextile is fixed on the lower steel cable through a binding ring; the wave-passing geotextile is fixed on the wave-passing net at the bottom of the floating body through a binding ring; the steel pipe supports comprise vertical steel pipe supports and oblique steel pipe supports, and the vertical steel pipe supports and the oblique steel pipe supports are fixed at the tops of the steel pipe supports by fasteners; the pull anchor comprises an anchor rope and a pendant body, and the bottom of the pendant body is provided with a rough surface after rough treatment; the steel pipe support and the pull anchor are positioned on the same side in the construction area; the steel pipe supports are arranged at the abutted seam edge-covering positions of the adjacent dirt blocking geotextiles; the pulling anchor is arranged at the upper steel cable above the middle part of the standard section of the dirt blocking geotextile; the warning lamps are uniformly arranged at two sides of the floating body at intervals.
Preferably, every two corresponding semi-cylinder bodies are provided with 4-8 clamping holes and corresponding bolts, and the clamping holes and the bolts are uniformly and symmetrically distributed on the upper side and the lower side of the body.
Preferably, the transverse wire rope is provided with positioning pieces at both sides of each floating body.
Preferably, the geotextile bottom be equipped with the counter weight chain of full length connection, the counter weight chain pass through the machine-made seam and turn over inside the geotextile, adjacent geotextile counter weight chain pass through the stainless steel shackle and connect.
Preferably, the height of the wave-passing geotextile is 0.5-1 m.
Preferably, the shipping area transport ship makes the over-sea geotextile turn over along with the waves of the ship by the generated waves of the ship.
Preferably, the metal plate is uniformly provided with preformed holes at intervals from top to bottom, and U-shaped rings are arranged in the holes.
Preferably, the inner side of the U-shaped ring is provided with two fixing nuts, the other side of the U-shaped ring is provided with a fastening nut and a gasket, and the geotextile edge joint binding is positioned on two sides of the fixing nuts and the fastening nut.
Preferably, 1 vertical steel pipe support is arranged at intervals of 10-20 m along the arrangement position of the trash rack along the steel pipe supports, and the steel pipe supports are arranged in a linear shape; the top end of the steel pipe support is exposed out of the water surface by more than 2m, and the depth of the steel pipe support inserted into the riverbed is more than 3 m.
Preferably, the vertical steel pipe supports at the abutted seam binding positions of the adjacent dirt blocking geotextiles are fixed in the U-shaped rings from bottom to top.
The utility model relates to a technical scheme, the beneficial effect who compares with the conventional art is:
1. the body below sets up unrestrained net, and when great wave, the unrestrained net weakens the aversion and the impact influence that the wave caused to trash screen, reduces the maintenance number of times, improves life.
2. The rotatable wave-passing geotextile is arranged on the side of the wave-passing net construction area, when no wave exists, the wave-passing geotextile is in a downward state to intercept silt, and when a large wave exists, the wave enables the wave-passing geotextile to be opened, so that the displacement of the floating body and the dirt blocking screen is reduced.
3. The steel pipe support and the pull anchor pendant weight are arranged on one side of the river channel construction area, a one-side pull-support structure is formed, the influence on a navigation area can be reduced, and the area of the navigation area is increased.
4. The steel pipe supports and the slant steel pipe including vertical steel pipe, can guarantee the stability that the steel pipe supported to reduce the aversion phenomenon that the dirt blocking screen takes place under the wave load, improve and block dirty effect.
5. The inside horizontal cable wire groove and the vertical cable wire groove that sets up of body, adjacent body are connected through last violently cable, block dirty geotechnological cloth and are connected with violently cable down, and upper and lower violently cable passes through vertical connecting cable wire to be connected, and connection structure is reliable, and the installation rate is fast, can effectively improve the installation accuracy.
6. Adjacent geotechnical cloth adopts the metal sheet to bordure and handles, and the both sides of borduring set up with the muscle area, set up the preformed hole on the metal sheet, can fix the U type ring to it is fixed with vertical steel pipe support, the structure is reliable, and the construction is quick.
Drawings
FIG. 1 is a side view of a single-side supporting-anchor pulling trash rack in river dredging water;
FIG. 2 is a cross section of a steel pipe support of a single-side support-anchor pull trash rack in the river dredging water (section A-A in FIG. 1);
FIG. 3 is a cross-sectional view (B-B in FIG. 1) of a geotextile for supporting and anchoring a trash screen on one side in the dredging water of a river channel;
FIG. 4 is a schematic view of a semi-cylindrical float configuration;
FIG. 5 is a schematic view of the connection of the float, the wire rope, and the wave net;
FIG. 6 is a schematic view of the connection of the float, the wire rope, the wave net and the wave geotextile;
FIG. 7 is a schematic view of the connection of the float, the wire rope, the wave net and the geotextile;
FIG. 8 is a side view of the float, wire rope connection;
FIG. 9 is a side view of the float, wire rope, geotextile connection;
FIG. 10 is a side view of the connection of the float, the steel cable, the wave-passing net and the dirt-blocking geotextile;
FIG. 11 is a side view of the connection of the float, the wire rope, the wave net and the geotextile;
FIG. 12 is a schematic view of a multi-segment float dirt retention screen connection;
FIG. 13 is a cross-sectional view of the float and geotextile connecting cable (section C-C in FIG. 7) when the geotextile is over-sea;
FIG. 14 is a cross-sectional view of the floating body and geotextile connecting non-steel cable (section D-D in FIG. 7) when the geotextile is over-sea;
FIG. 15 is a cross-sectional view showing the connection of the float and geotextile when the geotextile is lowered;
FIG. 16 is a schematic view of a geotextile edge-wrapping processing structure;
FIG. 17 is a schematic view of the adjacent geotextile lap joint and steel tube support fixing structure;
figure 18 is a schematic view of a geotextile bottom turn-up weight chain structure.
The figure is marked with: 1-navigation area, 2-construction area, 3-riverbed, 4-normal water level, 5-ship wave, 51-ship wave direction, 6-steel pipe support, 61-vertical steel pipe support, 62-oblique steel pipe support, 7-geotextile, 71-dirt blocking geotextile, 72-wave passing geotextile, 73-patchwork and edge covering, 74-reinforced belt, 75-reserved hole, 8-metal plate, 81-reserved hole, 9-floating body, 91-transverse steel cable groove, 92-vertical steel cable groove, 93-clamping hole, 94-bolt, 95-splicing seam, 10-wave passing net, 11-steel cable, 111-upper steel cable, 112-lower steel cable, 113-vertical steel cable, 114-positioning piece, 12-anchor cable, 13-suspended weight body, 131-rough surface, 14-heavy chain, 141-dirt blocking geotextile heavy chain, 142-wave geotextile heavy chain, 15-warning lamp, 16-woven seam, 17-U-shaped ring, 18-fixing nut, 19-fastening nut, 20-fastener, 21-gasket and 22-binding ring.
Detailed Description
In order to deepen understanding of the present invention, the embodiments of the present invention will be described in detail below with reference to fig. 1 to 18, and the following embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments are given, but the scope of protection of the present invention is not limited to the following embodiments.
In the embodiment, the dirt-blocking geotextile 71 takes 20m as a standard section, the height of the dirt-blocking geotextile 71 is 5m, the height of the bottom of the dirt-blocking geotextile 71 from a riverbed is 0.5m, the height of the wave-passing geotextile 72 is 0.5m, the suspended weight body 13 adopts 50kg of stone, the vertical steel pipe support 61 is inserted into the riverbed for 3m depth, the water surface is exposed for 2m, the total length is 11m, the length of the floating body 9 is 1m, the diameter is 0.6m, and the interval is 1 m.
Referring to the attached drawing 1, the single-side support-anchor pull-up dirt blocking screen for river dredging water consists of a floating body 9, a steel cable 11, a wave passing net 10, geotextile 7, a steel pipe support 6, anchor pulls, a warning lamp 15 and the like. The standard section of the dirt blocking geotextile 71 is 120m long, the left end part and the right end part are respectively provided with a reverse-wrapping metal plate 8, reinforcing strips 74 are arranged on two sides of each metal plate 8, and adjacent dirt blocking geotextiles 71 are spliced through the splicing and wrapping edges 73 of the metal plates 8; the height of the wave-passing geotextile 72 is 0.5 m; the bottom of the geotextile 7 is provided with a balance weight chain 14 connected with the geotextile in a full length way; 1 vertical steel pipe support 61 is arranged at intervals of 20m along the position of the dirt blocking geotextile 71 by the steel pipe support 6 and is arranged in a straight line shape; the top end of the steel pipe support 6 is exposed out of the water surface by more than 2m and is inserted into the riverbed 3 by more than 3 m; the steel pipe supports 6 are arranged at the abutted seam edge-covering 73 of the adjacent dirt blocking geotextile 71; the pulling anchor is arranged at the upper part of the middle part of the standard section of the dirt blocking geotextile 71 at the position of the steel cable 111; the warning lamps 15 are evenly arranged on two sides of the floating body 9 at intervals.
Referring to fig. 2, the steel pipe support 6 includes a vertical steel pipe support 61 and an oblique steel pipe support 62, and the vertical steel pipe support 61 and the oblique steel pipe support 62 are fixed at the top of the steel pipe support 6 by a fastener 20; the steel pipe support 6 and the anchor are positioned on the same side in the construction area 2.
Referring to fig. 1 to 3, the geotextile 7 comprises a dirt-blocking geotextile 71 below a normal water level 4 line and a wave-passing geotextile 72 on a normal water level 4 surface; the anchor comprises an anchor rope 12 and a pendant body 13, wherein the bottom of the pendant body 13 is provided with a rough surface 131 after rough treatment.
Referring to fig. 18, the heavy chain 14 is reversely wrapped inside the geotextile 7 through a machine-made seam 16, and the heavy chains 14 of the adjacent geotextile 7 are connected through stainless steel shackles.
As shown in fig. 1 and fig. 8 and 9, the transverse steel cables 111 are provided with positioning pieces 114 at both sides of each floating body 9.
Referring to fig. 13 to 15, the transport ship in the navigation area 1 is impacted by the generated waves 5, so that the over-wave geotextile 72 turns over along with the waves 5.
Referring to fig. 1, 16 and 17, the metal plate 8 is provided with preformed holes 75 at intervals from top to bottom, and U-shaped rings 17 are disposed in the holes.
Referring to fig. 17, two fixing nuts 18 are arranged on the inner side of the U-shaped ring 17, a fastening nut 19 and a gasket 21 are arranged on the other side, and the geotextile edge-covering 73 is positioned on the two sides of the fixing nuts 18 and the fastening nut 19; vertical steel pipe supports at the abutted seam edge-covering 73 positions of the adjacent dirt blocking geotextiles 71 are fixed in the U-shaped ring 17 from bottom to top.
Referring to fig. 4, the floating body 9 is formed by splicing a semi-cylindrical floating body 9 with corresponding fastening holes 93 and bolts 94, and a transverse steel cable groove 91 transversely penetrating and a vertical steel cable groove 92 connected with the transverse steel cable groove at a center of gravity point are arranged in the middle of the floating body 9; every two corresponding semi-cylindrical floating bodies 9 are provided with 4 clamping holes 93 and corresponding bolts 94, and the clamping holes 93 and the bolts 94 are uniformly and symmetrically distributed on the upper side and the lower side of the floating body 9.
As shown in fig. 12, adjacent floating bodies 9 are connected in series by upper ropes 111.
Referring to fig. 5 to 7, the steel mesh sheet of the wave passing net 10 is arranged inside the floating body 9, and the top of the wave passing net 10 is bound and fixed with the transverse steel cable 111.
Referring to fig. 8 and 9, the wire rope 11 includes a horizontal wire rope 111 penetrating the inside of the floating body 9, a lower wire rope 112 parallel to the upper wire rope 111, and a vertical wire rope 113 connecting the upper wire rope 111 and the lower wire rope 112 and located inside the floating body 9.
As shown in fig. 1 and fig. 8 and 9, the transverse steel cables 111 are provided with positioning pieces 114 at both sides of each floating body 9.
The above embodiments are only used for explaining the technical idea of the present invention, not for the limitation of the protection of the right of the present invention, and all the modifications that are insubstantial to the present invention are carried out by using this idea, all fall into the protection scope of the present invention.
Claims (9)
1. The single-side support-anchor pulling and dirt blocking screen for river channel dredging water is characterized by comprising a floating body (9), a steel cable (11), a wave passing net (10), geotextile (7), a steel pipe support (6), anchor pulling, a warning lamp (15) and the like; the floating body (9) is formed by splicing semi-cylindrical floating bodies (9) which are respectively provided with corresponding clamping holes (93) and bolts (94), and the middle part of the floating body (9) is provided with a transverse steel cable groove (91) which transversely penetrates through and a vertical steel cable groove (92) which is connected with the transverse steel cable groove at a gravity center point; the steel cable (11) comprises a transverse steel cable (111) penetrating through the interior of the floating body (9), a lower steel cable (112) parallel to the upper steel cable (111), and a vertical steel cable (113) which is connected with the upper steel cable (111) and the lower steel cable (112) and is positioned in the interior of the floating body (9); the adjacent floating bodies (9) are connected in series through upper steel ropes (111); the steel bar net piece of the wave passing net (10) is arranged inside the floating body (9), and the top of the wave passing net (10) is bound and fixed with the transverse steel cable (111); the geotextile (7) comprises a dirt blocking geotextile (71) positioned below a normal water level (4) line and a wave-passing geotextile (72) positioned on the normal water level (4) plane; the standard section of the dirt blocking geotextile (71) is 10-20 m long, the left end part and the right end part of the dirt blocking geotextile are respectively provided with a reverse-wrapping metal plate (8), reinforcing strips (74) are arranged on two sides of each metal plate (8), adjacent dirt blocking geotextile (71) are spliced through the splicing and wrapping edges (73) of the metal plates (8), and the dirt blocking geotextile (71) is fixed on the lower steel cable (112) through a binding ring (22); the wave-passing geotextile (72) is fixed on the wave-passing net (10) at the bottom of the floating body (9) through the binding ring (22); the steel pipe support (6) comprises a vertical steel pipe support (61) and an oblique steel pipe support (62), and the vertical steel pipe support (61) and the oblique steel pipe support (62) are fixed on the top of the steel pipe support (6) through a fastener (20); the anchor comprises an anchor rope (12) and a pendant body (13), wherein the bottom of the pendant body (13) is provided with a rough surface (131) after rough treatment; the steel pipe support (6) and the pull anchor are positioned on the same side in the construction area (2); the steel pipe supports (6) are arranged at the abutted seam binding edges (73) of the adjacent dirt blocking geotextiles (71); the pulling anchor is arranged at the upper steel cable (111) above the middle part of the standard section of the dirt blocking geotextile (71); the warning lamps (15) are uniformly arranged on two sides of the floating body (9) at intervals.
2. The single-side supporting-pulling anchor dirt blocking screen for the river dredging water according to claim 1, wherein 4-8 clamping holes (93) and corresponding bolts (94) are formed in every two corresponding semi-cylindrical floating bodies (9), and the clamping holes (93) and the bolts (94) are uniformly and symmetrically distributed on the upper side and the lower side of the floating body (9).
3. The single-sided support-pull anchor dirt barrier of claim 1, characterized in that the transverse wire rope (111) is provided with positioning pieces (114) on both sides of each float (9).
4. The single-side supporting-pulling anchor dirt blocking screen for the dredging water in the river channel according to claim 1, wherein the bottom of the geotextile (7) is provided with a through-length connected heavy distribution chain (14), the heavy distribution chain (14) is reversely wrapped inside the geotextile (7) through a machine-made seam (16), and the heavy distribution chains (14) of the adjacent geotextile (7) are connected through stainless steel shackles.
5. The single-side supporting-pulling anchor dirt blocking screen for the dredging water in the river channel according to claim 1, wherein the height of the wave-passing geotextile (72) is 0.5-1 m, and the wave-passing geotextile can turn over under the action of the generated waves (5) when a transport ship passes through the navigation area (1).
6. The single-sided support-anchor-pull sewage blocking screen for river dredging water according to claim 1, wherein the metal plate (8) is provided with preformed holes (75) at intervals from top to bottom, and U-shaped rings (17) are arranged in the holes.
7. The single-side supporting-pulling anchor dirt blocking screen for the river dredging water according to claim 6, wherein two fixing nuts (18) are arranged on the inner side of the U-shaped ring (17), a fastening nut (19) and a gasket (21) are arranged on the other side of the U-shaped ring, and the geotextile piece joint wrapping edges (73) are positioned on two sides of the fixing nuts (18) and the fastening nuts (19).
8. The single-side supporting-anchor pulling sewage blocking screen for the river channel dredging water according to claim 1, wherein 1 vertical steel pipe support (6) is arranged at intervals of 10-20 m along the position of the sewage blocking geotextile (71) and is arranged in a straight line; the top end of the steel pipe support (6) is exposed out of the water surface by more than 2m, and the depth of the steel pipe support inserted into the riverbed (3) is more than 3 m.
9. The single-side support-anchor-pull sewage blocking screen for river dredging water according to claim 1, wherein the vertical steel pipe supports (61) at the abutted hems (73) of the adjacent sewage blocking geotextile (71) are fixed in the U-shaped ring (17) from bottom to top.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021659553.5U CN214219597U (en) | 2020-08-11 | 2020-08-11 | One-side supporting-anchor pulling dirt blocking screen in river channel dredging water |
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| CN202021659553.5U CN214219597U (en) | 2020-08-11 | 2020-08-11 | One-side supporting-anchor pulling dirt blocking screen in river channel dredging water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863245A (en) * | 2021-10-13 | 2021-12-31 | 中电建十一局工程有限公司 | Construction method of environment-friendly water quality guarantee trash screen |
| CN117107729A (en) * | 2023-10-17 | 2023-11-24 | 中国电建集团西北勘测设计研究院有限公司 | Environment-friendly waters desilting trash device |
-
2020
- 2020-08-11 CN CN202021659553.5U patent/CN214219597U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863245A (en) * | 2021-10-13 | 2021-12-31 | 中电建十一局工程有限公司 | Construction method of environment-friendly water quality guarantee trash screen |
| CN117107729A (en) * | 2023-10-17 | 2023-11-24 | 中国电建集团西北勘测设计研究院有限公司 | Environment-friendly waters desilting trash device |
| CN117107729B (en) * | 2023-10-17 | 2024-01-30 | 中国电建集团西北勘测设计研究院有限公司 | Environment-friendly waters desilting trash device |
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