CN211713906U - Automatic over-and-under type cable net cable membrane water proof structure - Google Patents
Automatic over-and-under type cable net cable membrane water proof structure Download PDFInfo
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- CN211713906U CN211713906U CN201922386375.7U CN201922386375U CN211713906U CN 211713906 U CN211713906 U CN 211713906U CN 201922386375 U CN201922386375 U CN 201922386375U CN 211713906 U CN211713906 U CN 211713906U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides an automatic over-and-under type cable net cable membrane water proof structure. The automatic lifting type cable net cable film waterproof structure comprises a suspension cable net structure, a suspension cable net film and a suspension cable net film, wherein the suspension cable net structure is vertically positioned in the upstream, the suspension cable net structure is vertically positioned in the downstream, and the suspension cable net film is suspended on the suspension cable net structure and positioned in reservoir water at the lower part; one end of the suspended cable net film is connected with the suspended cable net structure in a lifting mode, and the other end of the suspended cable net film is connected with the upper end of the suspended cable net film; the suspended cable net film and the suspended cable net film are impermeable cable net films. Compared with the prior art, the utility model provides an automatic over-and-under type cable net cable membrane water proof structure can intercept reservoir lower part low temperature water, silt, bed load, and has good self-interacting performance and has saved manpower and materials.
Description
Technical Field
The utility model relates to a water conservancy water and electricity technical field especially relates to an automatic over-and-under type cable net cable membrane water proof structure.
Background
The river basin water conservancy and hydropower project construction often can build some high dam big storehouses to improve the engineering benefit, because its reservoir storage capacity is big, the velocity of flow is slow, the obvious temperature stratification phenomenon will appear in the crossing of spring and summer. And the water intake elevation of the hydropower station or water intake drainage facility is low due to the power generation requirement, so that the outflow water temperature of the reservoir is lower than the water temperature of the natural river channel, the water temperature of the natural river channel under the dam is changed, and adverse effects are generated on the aspects of farmland irrigation, industrial water supply, domestic water, the water quality and ecological balance of downstream rivers, the utilization of reservoir water and the like.
Builders take various measures to improve the temperature of the discharged low-temperature water of the hydropower station, and at present, various schemes are provided for preventing and treating the discharged low-temperature water of the hydropower station or the water intake: such as low-temperature water interception dams, shore tower type water inlet layered water taking, reinforced concrete enclosing walls, stop log door layered water taking and the like. At present, a better water-resisting structure convenient for construction and operation maintenance is not provided for the scheme of the low-temperature water interception dam.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide an automatic lifting type cable net and cable film water-proof structure capable of intercepting low-temperature water, sludge and bed load at the lower part of a reservoir, thereby increasing the temperature of the discharged water of a hydroelectric power station and realizing the functions of blocking or intercepting the reservoir.
The technical scheme of the utility model is that: an automatic lifting type cable net cable film water-resisting structure comprises a suspension cable net structure, a suspension cable net film and a suspension cable net film, wherein the suspension cable net structure is vertically positioned in the upstream, the suspension cable net structure is vertically positioned in the downstream, and the suspension cable net film is suspended on the suspension cable net structure and positioned in reservoir water at the lower part; one end of the suspended cable net film is connected with the suspended cable net structure in a lifting mode, and the other end of the suspended cable net film is connected with the upper end of the suspended cable net film;
the suspended cable net film and the suspended cable net film are impermeable cable net films. According to the scheme, the water-tight and fixed suspension type cable net film and the water-tight and up-down lifting suspension type cable net film are arranged below the water level change area and the dead water level respectively, low-temperature water at the lower part of the reservoir is effectively intercepted, the lifting self-adaption energy can adapt to different water level operation working conditions, and manpower and material resources are saved.
The impermeable cable net film is characterized in that: the cable net film is made of a water-impermeable material (such as a geotextile film), so that low-level water, sludge and bed load at the lower part of the reservoir can be intercepted, and the temperature of discharged water of a power station can be improved.
Preferably, the suspension cable net structure comprises a suspension main cable, a rotating shaft and a plurality of suspension slings;
the suspension main cables span across the reservoir, and the suspension lifting cables are arranged at intervals along the suspension main cables and are vertical to rocks at the bottom of the reservoir; the rotating shaft is hung on a plurality of suspension slings and is connected with the suspension cable net film;
the suspension cable net structure comprises a suspension top main cable, a suspension lower main cable and a plurality of guide cables; the suspension cable net structure and the suspension lower main cable both span across the reservoir, the suspension lower main cable is positioned below the suspension cable net structure, and the guide cables are distributed at intervals along the suspension top main cable and are vertically connected with the suspension lower main cable;
the suspended cable net film is suspended between the rotating shaft and the rock at the bottom of the reservoir, one end of the suspended cable net film is connected with the rotating shaft, and the other end of the suspended cable net film is lifted along the guide cable through the lifting assembly.
The operation range of reservoir water level and the characteristics of stress are fully combined, a suspension area and a suspension area are arranged, the huge stress of the cable net membrane structure is decomposed to the cable net structure, and the design and construction of a main stress structure can be simplified.
The design of lifting unit makes water proof structure have the adaptability, can be applicable to the various operating modes of reservoir operation simultaneously, spanes the main cable of reservoir and can conveniently arrange suspension system on the cable net, combines with lifting unit to realize the descending, installation, recovery, safety monitoring etc. of floated cable net membrane and suspension type cable net membrane, has improved the practicality of cable net membrane.
Preferably, the rotating shaft is hung on the suspension sling and locked at the same height position as the power generation water intake.
Preferably, the suspension cable net structure further comprises two downstream cable towers and a plurality of deepwater ground anchors, the two downstream cable towers are fixedly arranged on two banks and used for fixing the suspension main cables, and each suspension sling is vertically fixed to the bottom rock of the reservoir through one deepwater ground anchor.
Preferably, the part of the deepwater anchor exposed out of the rock is of a flexible structure and can adapt to angle change.
Preferably, suspension type cable nethike embrane is including hanging the net, hanging geotechnological cloth membrane and lower steel counter weight, the upper end and the suspension cable net structural connection that hang the net, the steel counter weight is located down hang the lower extreme of net, geotechnological cloth membrane is laid on hanging the net.
Preferably, the suspension cable net film further comprises a limiting ring, and the limiting ring is used for connecting the suspension grid with the suspension cable net structure.
Preferably, the lifting assembly comprises a buoyancy tank, a movable water passing weir and an anchor chain, and the suspended cable net film comprises suspended grids and suspended geotextile films laid on the suspended grids;
the buoyancy tank is sleeved on the guide cable, the upper end of the anchor chain is connected with the buoyancy tank, the lower end of the anchor chain, which extends vertically, is connected with the movable water passing weir, one end of the suspension grid is connected with the movable water passing weir, and the other end of the suspension grid is connected with the rotating shaft.
Preferably, be equipped with the hoisting device who is used for realizing that floated cable nethike embrane is transferred or is retrieved on the flotation tank, prevent that the lower part of floated cable nethike embrane from frequently dragging ground and causing the damage, and be convenient for retrieve and overhaul and maintain.
Preferably, the suspension cable net structure comprises two upstream cable towers, and the two upstream cable towers are fixedly arranged on two banks of the reservoir and used for fixing the suspension top main cable.
Compared with the prior art, the beneficial effects of the utility model are that:
the suspended cable net membrane in the automatic lifting cable net membrane water insulation structure has good self-adjusting performance, can adapt to different water levels and different operating conditions simultaneously, and saves manpower and material resources;
the axis of the suspended cable net film is a straight line and is vertically arranged, so that the cable net has the advantages of simple structure, small cable net deformation, definite stress action of the ground anchor, convenience in construction, reduction of vertical action and the like, and the problems of uncertain stress direction change of the deepwater ground anchor and the like are solved;
thirdly, a movable suspended cable net film and a fixed suspended cable net film are respectively arranged in a water level change area and below a dead water level, the suspended cable net film has the advantages of being provided with a suspended structure and a suspended structure in a partition design, reducing the acting force of a floating box and the cable net structure, facilitating system installation and monitoring and the like, and the problem that the lower part of the cable net is frequently dragged to the ground under the water level change is solved;
the plane arrangement range of the automatic lifting type cable net film water insulation structure is small, and the buoyancy tank and the suspension type cable net film change along with the water level in the vertical direction, so that the protection of the whole water insulation structure is facilitated;
fifthly, the automatic lifting type cable net cable film water-resisting structure is low in manufacturing cost, the floating box and the cable net system can be used as a working platform for water construction and cable net film structure lowering, installation and maintenance are convenient, construction technology difficulty is further reduced, electric quantity is not lost when water temperature is increased, and cost is saved.
Drawings
Fig. 1 is a schematic plan view of an automatic lifting type cable net cable film water-resisting structure provided by the present invention;
fig. 2 is a schematic longitudinal section view of an automatic lifting type cable net cable film water-stop structure provided by the present invention;
fig. 3 is a schematic cross-sectional view of an automatic lifting type cable net cable film water-resisting structure provided by the present invention;
fig. 4 is a schematic view of the automatic lifting type cable net cable film water-resisting structure provided by the present invention operating in low water level;
fig. 5 is the utility model provides an automatic over-and-under type cable net cable membrane water proof structure schematic diagram of operation when the operating mode of flood discharge.
In the attached drawing, 1-suspended cable net film, 2-deep water ground anchor, 3-suspended sling, 4-suspended cable net film, 5-rotating shaft, 6-moving water weir, 7-guide cable, 8-buoyancy tank, 9-suspended top main cable, 10-upstream cable tower, 11-downstream cable tower, 12-rock, 13-suspended main cable, 14-suspended lower main cable, 15-anchor chain, 16-spacing ring, 20-suspended cable net structure and 30-suspended cable net structure.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
As shown in fig. 1 to 3, the automatic lifting type cable net and cable film waterproof structure provided by the embodiment is used for intercepting low-temperature water, sludge and bed load at the lower part of a reservoir, and includes a suspension cable net structure 20, a suspension cable net structure 30, a suspension cable net film 1 and a suspension cable net film 4, wherein the suspension cable net structure 30 is vertically located in the upstream, and the suspension cable net structure 20 is vertically located in the downstream. The suspension type cable net film 1 and the suspension type cable net film 4 are impermeable cable net films.
The suspension cable net structure 20 comprises a suspension main cable 13, a rotating shaft 5, a plurality of suspension slings 3, two downstream cable towers 11 and a plurality of deepwater ground anchors 2, wherein the two downstream cable towers 11 are fixedly arranged on two banks, and anchors are arranged at two ends of a mountain. The downstream cable tower 11 and anchorages are used to secure the suspended main cable 13 across the reservoir. A plurality of suspension slings 3 are arranged at intervals along the main suspension cable 13 and are perpendicular to the bottom rock 12 of the reservoir and fixed by the deepwater ground anchor 2. The exposed free section of the deepwater anchor 2 above the rock 12 is longer, so that the anchor structure is required to have enough rigidity or the exposed free section of the rock is a flexible structure and can adapt to angle change.
The deepwater anchor 2 is an anchoring body formed by deepwater drilling, complete rock deep-entering, anchor cable lowering and grouting, a cable joint cable penetrating hole is formed in the upper end of the deepwater anchor 2, and the deepwater anchor can penetrate through the suspension sling 3 of the prestressed steel strand.
The suspension cable net structure 30 comprises a suspension top main cable 9, a suspension lower main cable 14, a plurality of guide cables 7 and two upstream cable towers 10, wherein the two upstream cable towers 10 are fixedly arranged on two banks, and anchorage is arranged at two ends of a mountain. The upstream cable tower 10 and the anchorages are used to secure the suspended top main cable 9 across the reservoir. The suspended lower main cable 14 is located below the suspended cable net structure 30, and both ends thereof are fixed with anchors on both banks. A plurality of guide cables 7 are arranged at intervals along the suspended top main cable 9 and vertically connected to the suspended lower main cable 14.
The rotating shaft 5 is hung on the plurality of suspension slings 3 and is locked at the same height position of a water intake of the generator, the rotating shaft 5 is connected with one end of the suspended cable net film 4 and the upper end of the suspended cable net film 1, and the other end of the suspended cable net film 4 is connected with the guide cable 7 through the lifting assembly. The lower end of the suspension type cable net film 1 extends to the bottom rock of the reservoir and is connected with the suspension sling 3 through a limiting ring.
The suspended cable net film 1 comprises suspended grids, suspended geotextile films and lower steel weights, the suspended grids are formed by Dinima ropes which are arranged in a staggered mode in a longitudinal direction (the longitudinal direction refers to the upper position and the lower position of a reservoir, the direction is different from the longitudinal direction of the reservoir, and the transverse direction refers to the transverse position of the reservoir, namely the width direction of the reservoir), the Dinima ropes are made of high-strength polyethylene fibers of Dinima Dyneem, and then a line body reinforcing process is applied to the Dinima ropes to manufacture the ultra-smooth and sensitive ropes.
Hang the vertical denyma rope of net upper end and be connected with the axis of rotation 5 that hangs cable net structure 20, down the steel counter weight is located the lower extreme that hangs the net, the geotechnological cloth membrane is laid and is hung on the net and sew up, it establishes at suspension cable 3 to dispose a plurality of spacing rings 16 covers on the vertical denyma rope of the centre of net to hang for the swing of restriction suspension cable net membrane 1.
The suspension cable net film 4 comprises a suspension grid and a suspension geotextile film laid on the suspension grid, and the structures of the suspension grid and the suspension geotextile film are the same as those of the suspension cable net film 1.
The lifting assembly comprises a buoyancy tank 8, a movable water-passing weir 6 and an anchor chain 15, wherein the buoyancy tank 8 is sleeved on the guide cable 7, the upper end of the anchor chain 15 is locked with the buoyancy tank 8, the lower end of the anchor chain 15, which extends vertically, is connected with the movable water-passing weir 6, one end of the suspension grid is connected with the movable water-passing weir 6, and the other end of the suspension grid is connected with the rotating shaft 5. The movable water-passing weir 6 plays a role in fixing and protecting the suspended cable net membrane 4, so that the weight of the suspended cable net membrane 4 is increased and the suspended cable net membrane 4 is kept sinking, the vertical anchor chain 15 penetrates through cable holes on the movable water-passing weir 6 and the buoyancy tank 8, a designed water passing height (or a checked water passing height) is reserved between the movable water-passing weir 6 and the buoyancy tank 8, the upper end of the suspended cable net membrane 4 can freely move up and down along with the buoyancy tank 8 through the movable water-passing weir 6, the positions of the buoyancy tank 8 and one end of the suspended cable net membrane 4 moving upwards are shown in fig. 3 when the water level is high, and the positions of the buoyancy tank 8 and one end of the suspended cable net membrane 4 moving downwards are shown in fig. 4 when the.
The floating box 8 is provided with a hoisting device for realizing the downward placement or the recovery of the suspended cable net film 4, and the suspended cable net film 4 can be collected, released and overhauled.
The utility model provides an automatic over-and-under type cable net membrane water proof structure is according to the order that cable tower was built, deep water ground anchor construction-main cable installation-hang hoist cable and guide cable installation-flotation tank installation-cable net membrane were transferred, with the help of hoist engine on the flotation tank and the installation that the platform realization hung, suspended cable net membrane on the water. The buoyancy tank sling is provided with two gears, and the suspension cable net film is transferred by switching between a normal operation working condition and a flood working condition through the winding device on the buoyancy tank, so that the damage of extreme flood to the suspension cable net film is resisted. The hoisting device on the buoyancy tank can realize the lowering and the recovery of the net film of the suspension cable.
The automatic lifting type cable net film water-resisting structure of the embodiment depends on the low-temperature water treatment project of a Guizhou clear water river three-plate stream power station. The three-plate stream power station is the second stage of the Yuan water main flow 15 cascade power station and has the regulation performance for many years, the normal water storage level of a reservoir is 475.00m, the maximum dam height is 185.5m, and the water inlet bottom plate height is 408.00 m. After the reservoir stores water, the reservoir area presents an obvious temperature stratification phenomenon, and the water temperature at the bottom of the reservoir is only 9.6 ℃, so that the discharged water temperature is lower than that under the natural condition in spring and summer, and the adverse effect is generated on the spawning propagation of downstream fishes. In order to enable fishes to have proper water temperature conditions in the spawning period, a flexible water-proof curtain wall is built at the upstream of a water inlet of a power station to improve the water temperature discharged from a three-plate stream power station.
At the construction position of a flexible waterproof curtain wall, the distance between cable towers is about 450m, the length of the curtain wall is about 400m, the maximum water depth is about 150m, if a curtain wall is not partitioned, according to the analysis result of a three-dimensional numerical model, the total horizontal load is about 15000 kN-20000 kN, the maximum horizontal load of a single deepwater ground anchor structure is 600kN, the maximum load of a single group of buoyancy tanks is 480kN, the maximum load of a main cable is 6000kN, and the large vertical water weight is also born in a curved body shape, so that a single building bears large load, a partition design is required to be carried out according to the water as the change characteristic and the load distribution condition, and most of the load is shared to a foundation above the dead water level.
The construction method of the automatic lifting type cable net membrane water insulation structure comprises the following steps:
1) the construction of the upstream cable tower 10 and the downstream cable tower 11 and the construction of the deepwater ground anchor 2. And (3) constructing an upstream cable tower and a downstream cable tower and an anchor on two sides of the axis of the cable net cable membrane structure respectively, and drilling a deepwater ground anchor 2 on the axis through an overwater platform.
2) The suspended top main cable 9, the suspended main cable 13 and the suspended lower main cable 14 are installed. The suspension top main cable 9 and the suspension main cable 13 are respectively hung on cable tower cable saddles on two banks and connected to anchor anchors on the two banks. The suspension top main cable 9 and the suspension 13 are suspended on a left-end cable saddle, and after the suspension top main cable 9 and the suspension 13 are fixed with a left-end anchorage, a ship is used for pulling the right end of a steel cable, the suspension top main cable moves from the left bank to the right bank directly, the right end of the main cable 9 and the right end of the main cable 13 are pulled to a cable tower cable saddle of the right bank and are connected with the right bank anchorage, and finally the upstream main cable and the downstream main cable are tensioned, so that the installation of the upstream main cable 9 and the downstream main cable. The suspended lower main cable 14 is horizontally arranged, connected to an anchorage, and tensioned.
3) The suspension sling 3 and the guide rope 7 are installed. Vertically connecting the upper end and the lower end of a suspension sling 3 to a suspension main cable 13 and a corresponding deepwater anchor 2, vertically connecting the upper end and the lower end of a guide cable 7 to a suspension top main cable 9 and a suspension top main cable 1, and performing prestress tensioning on the suspension sling 3 and the guide cable 7 to form a vertical prestress cable net structure.
4) The buoyancy tank 8 is installed. The installation of the floating box adopts a method of putting in sections and connecting in sequence to form a floating bridge; the method comprises the steps of firstly transporting the buoyancy tanks 8 section by section to a shore wharf, dragging the positions of the downstream cable towers 13 by using ships, sequentially assembling from one shore to the other shore, paving the bridge deck and installing handrails on two sides after the buoyancy tanks are completely assembled, and finally forming the floating bridge with the left and right banks communicated.
5) The suspended cable net film 1 and the suspended cable net film 4 are lowered down and the rotating shaft 5 is installed. The rope and the geotextile film which form the main structures of the suspended cable net film and the suspended cable net film are transported to the floating bridge by the hoisting auxiliary equipment, the hoisting auxiliary equipment comprises a fixed pulley and a hoisting device, and the rope is a Dinima rope. A fixed pulley device is installed on the downstream side suspension sling 3, and a Dinima rope passes through the fixed pulley to hang down the lower line and the balance weight.
6) The suspended cable net film 1 is horizontally and gradually unfolded from left to right, one part of the unfolded suspended cable net film is connected and fixed with the longitudinal Dyneema rope, the transverse Dyneema rope and the limiting ring, which are drooped by the fixed pulley, and the geotextile film is sewn to one part of the grid. Spreading, connecting, sewing, and lowering section by section, and repeating above steps. And the suspended net 4 is spread out and sewn in the same manner. And a rotating shaft 5 is arranged at the joint of the suspended cable net film 1 and the suspended cable net film 4, and the suspended cable net film 1 and the suspended cable net film 4 are continuously unfolded, connected and lowered until the foot line and the balance weight on the suspended cable net film 1 contact the bottom of the reservoir, and the rotating shaft 5 is suspended on the suspended sling 3 and locked at the position with the same height as the power generation water inlet.
7) Moving over the weir 6, and the anchor chain 15. Assembling a moving water-passing weir 6 and a tying counterweight, connecting the upper end of the suspended cable net film 4 with the moving water-passing weir 6, and clamping the suspended cable net film 4 into the moving water-passing weir 6 for locking; and (3) passing the anchor chain 15 through a reserved hole in the center of the movable water passing weir body 6, putting the anchor chain together with the movable water passing weir, and locking the sling of the buoyancy tank on the buoyancy tank after the anchor chain is put to the designed height. The buoyancy tank 8 is pulled to the position of the floating cable net structure 4 on the upstream side, and the guide cables 7 are inserted into the chutes of the buoyancy tank 8.
8) And finishing the construction of the automatic lifting type cable net cable film waterproof structure.
The method for monitoring, overhauling and maintaining the operation of the automatic lifting type cable net membrane water insulation structure comprises the following steps: if meeting the flood discharge working condition (as shown in fig. 5), the anchor chain 15 with the stopper is lowered to the height of the nuclear checking working condition, so that the suspended cable net membrane structure is not influenced by the high-speed flood discharge water flow. Regular inspection, nondestructive inspection, automatic equipment monitoring and underwater photography are carried out on the upstream cable tower 10, the downstream cable tower 11, the main cables 9, 14 and 13, the prestressed suspension slings 3 and the cable net films 1 and 4. And determining whether to overhaul and maintain the cable net film structures 20 and 30 according to the analysis result of the operation monitoring data, wherein the overhaul method is to hoist the cable net film to the floating bridge platform by a suspension device on the suspension sling 3 for repairing in a partitioned manner.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (10)
1. An automatic lifting type cable net cable film water-resisting structure is characterized by comprising a suspension cable net structure (20), a suspension cable net structure (30), a suspension cable net film (1) and a suspension cable net film (4), wherein the suspension cable net structure (30) is vertically positioned in the upstream, the suspension cable net structure (20) is vertically positioned in the downstream, and the suspension cable net film (1) is suspended on the suspension cable net structure (20) and positioned in reservoir water at the lower part; one end of the suspended cable net film (4) is connected with the suspended cable net structure (30) in a lifting mode, and the other end of the suspended cable net film (4) is connected with the upper end of the suspended cable net film (1);
the suspension type cable net film (1) and the suspension type cable net film (4) are waterproof cable net films.
2. The auto-elevating cable net membrane water barrier structure as claimed in claim 1, wherein the suspension cable net structure (20) comprises a suspension main cable (13), a rotation shaft (5) and a plurality of suspension slings (3);
the suspension main cable (13) spans across the reservoir, and a plurality of suspension ropes (3) are arranged at intervals along the suspension main cable (13) and are vertical to rocks at the bottom of the reservoir; the rotating shaft (5) is hung on a plurality of suspension slings (3) and is connected with the suspension cable net film (4);
the suspension cable net structure (30) comprises a suspension top main cable (9), a suspension lower main cable (14) and a plurality of guide cables (7); the suspension cable net structure (30) and the suspension lower main cable (14) both span across the reservoir, the suspension lower main cable (14) is positioned below the suspension cable net structure (30), and the guide cables (7) are arranged at intervals along the suspension top main cable (9) and are vertically connected with the suspension lower main cable (14);
suspension type cable nethike embrane (1) hangs between axis of rotation (5) and reservoir bottom rock, the one end of floated cable nethike embrane (4) with axis of rotation (5) are connected, and the other end passes through lifting unit and follows guide cable (7) go up and down.
3. The automatic lifting type cable net cable film water-stop structure as claimed in claim 2, wherein the rotating shaft (5) is hung on the suspension cable (3) and locked at the same height as a power generation water intake.
4. The automatically lifting/lowering type cable net cable membrane water stop structure as claimed in claim 2, wherein the suspension cable net structure (20) further comprises two downstream cable towers (11) and a plurality of deep water anchors (2), the two downstream cable towers (11) are fixedly arranged on two banks for fixing the suspension main cables (13), and each suspension cable (3) is fixed by one deep water anchor (2) to the bottom rock of the reservoir vertically.
5. The automatic lifting type cable net cable membrane water-stop structure is characterized in that the part, exposed out of rocks, of the deep water anchor (2) is of a flexible structure.
6. The automatic lifting type cable net cable film water-stop structure as claimed in claim 1, wherein the suspension type cable net film (1) comprises a suspension grid, a suspension geotextile film and a lower steel balance weight, the upper end of the suspension grid is connected with the suspension cable net structure (20), the lower steel balance weight is arranged at the lower end of the suspension grid, and the geotextile film is laid on the suspension grid.
7. The auto-elevating cable net membrane water barrier structure as claimed in claim 6, wherein the suspension cable net membrane (1) further comprises a limiting ring (16), the limiting ring (16) being used to connect the suspension grid with the suspension cable net structure (20).
8. The automatic lifting type cable net cable membrane water-stop structure as claimed in claim 2, wherein the lifting assembly comprises a buoyancy tank (8), a moving water-passing weir (6) and an anchor chain (15), the suspended cable net membrane (4) comprises a suspended grid and a suspended geotextile membrane laid on the suspended grid;
the buoyancy tank (8) is sleeved on the guide cable (7), the upper end of the anchor chain (15) is connected with the buoyancy tank (8), the lower end of the anchor chain (15) extending vertically is connected with the movable water passing weir (6), one end of the suspension grid is connected with the movable water passing weir (6), and the other end of the suspension grid is connected with the rotating shaft (5).
9. The automatic lifting type cable net cable film waterproof structure as claimed in claim 8, wherein a hoisting device for lowering or recovering the suspension type cable net film (4) is arranged on the buoyancy tank (8).
10. The automatic lifting type cable net cable film water stop structure as claimed in claim 2, wherein the suspension cable net structure (30) comprises two upstream cable towers (10), and the two upstream cable towers (10) are fixedly arranged on two sides of the reservoir and used for fixing the suspension top main cable (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386375.7U CN211713906U (en) | 2019-12-27 | 2019-12-27 | Automatic over-and-under type cable net cable membrane water proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386375.7U CN211713906U (en) | 2019-12-27 | 2019-12-27 | Automatic over-and-under type cable net cable membrane water proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211713906U true CN211713906U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922386375.7U Active CN211713906U (en) | 2019-12-27 | 2019-12-27 | Automatic over-and-under type cable net cable membrane water proof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211713906U (en) |
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2019
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