CN211773459U - Self-floating type floating dam for water inlet of hydropower station - Google Patents
Self-floating type floating dam for water inlet of hydropower station Download PDFInfo
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- CN211773459U CN211773459U CN201922332255.9U CN201922332255U CN211773459U CN 211773459 U CN211773459 U CN 211773459U CN 201922332255 U CN201922332255 U CN 201922332255U CN 211773459 U CN211773459 U CN 211773459U
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Abstract
The utility model discloses a block and float row from floating for power station water inlet belongs to the hydraulic and hydroelectric engineering field, provides a reducible engineering construction volume block that floats certainly that is used for power station water inlet blocks and floats row including left side spout, right side spout, left side from floating coaster, right side from floating coaster and the body that floats, the left side spout and the right side spout corresponds the both sides gate pier that sets up at the power station water inlet, it has a plurality ofly to float the body, and a plurality of bodies that float form one row of body after linking to each other in proper order, one row of body that floats is the last arch distribution towards power station water inlet upstream direction. The utility model discloses directly utilize current water inlet tower body as the arrangement structure of spout, avoided the construction work that needs excavation spout in both sides bank, can effectual reduction engineering excavation volume. Simultaneously, arrange into the dome structure of one row orientation upper reaches through floating the body for block that to float the row axis apart from short equipment engineering volume few and be difficult for interfering with the water inlet tower body.
Description
Technical Field
The utility model relates to a hydraulic and hydroelectric engineering technical field especially relates to a float row is blocked from floating for power station water inlet.
Background
At present, the self-floating float retaining row vertical chutes are usually arranged on the slopes of the mountains at the left and right sides of the upstream of the dam, so that the floaters on the river bed are integrally retained on the water surface along the width direction, and the float retaining row is in a downstream parabola shape. For a power station with large settlement depth, if the slope of the side slopes of the left bank and the right bank at the upstream of the dam is relatively slow and the height of the floating blocking row sliding chute is relatively large, a vertical sliding chute needs to be built at the position, so that the earthwork excavation amount and the concrete amount are large, the geological condition is complex, the self-stability of a sliding chute tower body is poor, a fixed closed area is large, and the traffic and power supply are very inconvenient; meanwhile, the floating blocking row arranged on the upstream of the dam needs to block the whole river course, the axial line distance is long, the floating blocking row equipment work amount is large, and the tension force on the two sides is huge. In order to reduce the earthwork excavation amount and the concrete amount in the past, the chute at the end part of the float blocking row is designed into an inclined chute by depending on the slope of the side slope of the left bank and the right bank, although certain earthwork excavation amount and concrete amount can be saved, the float blocking row is very easy to descend under the driving of the tensile force when descending, but the float blocking row needs buoyancy to overcome the dead weight and the tensile force to climb to a large opening when ascending, and a friction angle self-locking phenomenon possibly exists in a pulley at the end part, therefore, the utility model discloses consider to set the float blocking row at the water inlet of a power station, the chute upright at the end part thereof is built by depending on the upright tower bodies at the left bank and the right bank of the water inlet, and simultaneously, the float blocking row is designed into an upstream supporting semi.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a float row is blocked from floating that is used for power station water inlet of reducible engineering construction volume.
The utility model provides a technical scheme that its technical problem adopted is: a float row from floating block for power station water inlet, including left side spout, right side spout, left side from floating block, right side from floating block and float the body, the left side spout and the right side spout corresponds the both sides gate pier that sets up at the power station water inlet, and the left side is from floating block and left side spout sliding fit, and the right side is from floating block and right side spout sliding fit, it has a plurality ofly to float the body, and a plurality ofly floats the body and forms one row of body that floats after linking to each other in proper order to this one of them end of one row of body floats the body float the body and the left side is connected from floating block, and the other end floats the body and is connected from floating block on the right side, one row floats the body and is the last arch distribution towards power station water.
Further, the method comprises the following steps: and nylon soft nets are arranged at connecting clearance positions between the floating body and the floating body, between the floating body and the left self-floating pulley and between the floating body and the right self-floating pulley to intercept dirt.
Further, the method comprises the following steps: railings are arranged on the left self-floating pulley, the right self-floating pulley and each floating body.
Further, the method comprises the following steps: the left self-floating pulley and the right self-floating pulley respectively comprise a pulley body and an end buoyancy tank, pulleys are arranged on the pulley body, and the pulleys are embedded into corresponding side sliding grooves and are in sliding fit with the sliding grooves; the pulley body is connected with one end of the corresponding end buoyancy tank, and the other end of the end buoyancy tank is connected with the corresponding floating body.
Further, the method comprises the following steps: the floating body is provided with a connecting rod in a penetrating manner, two ends of the connecting rod respectively penetrate out of the end parts of the two ends of the floating body to form a connecting hinged support structure, two adjacent floating bodies are connected through the connecting hinged support, two sides of the connecting hinged support are respectively provided with a limiting supporting leg, the length of the limiting supporting leg on the upstream side is larger than that of the limiting supporting leg on the downstream side, and therefore two adjacent floating bodies are connected and then have a certain deflection angle theta.
Further, the method comprises the following steps: the end face of the limiting supporting leg is provided with a rubber pad.
Further, the method comprises the following steps: the floating body is rotatably connected with the floating body, the floating body is rotatably connected with the left self-floating pulley, and the floating body is rotatably connected with the right self-floating pulley through pin shafts.
Further, the method comprises the following steps: the floating body comprises a floating box structure and a hanging grid, wherein the hanging grid is arranged at the lower part of the upstream side of the floating box structure and extends downwards.
The utility model has the advantages that: the utility model provides a block the tip spout of floating row from floating and directly arrange on the gate pier of power station water inlet tower body left and right sides, directly utilize current water inlet tower body as the arrangement structure of spout, avoided the work of building that needs excavation spout in both sides bank, can effectual reduction engineering excavation volume. Simultaneously, arrange into the dome structure of one row orientation upper reaches through floating the body for block that to float that the row axis apart from short equipment engineering volume is few and be difficult for interfering with the water inlet tower body, block that to float that row can effectually carry out the interception of floater. The utility model discloses compare with the row of floating of blocking of power station in the past, practiced thrift the engineering investment greatly.
Drawings
Fig. 1 is a top view of the self-floating type float retaining row for a water inlet of a hydropower station, which is provided by the utility model, after installation;
fig. 2 is an upstream side view of the installed self-floating type float interception row for the water inlet of the hydropower station of the utility model;
FIG. 3 is a schematic view of a connection structure between two floating bodies;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a cross-sectional view of section A-A of FIG. 2;
labeled as: the floating gate comprises a left sliding groove 1, a right sliding groove 2, a left self-floating pulley 3, a right self-floating pulley 4, a floating body 5, a gate pier 6, a nylon soft net 7, a railing 8, a pulley body 9, an end floating box 10, a pulley 11, a connecting hinged support 12, a connecting rod 13, a limiting supporting leg 14 on the upstream side, a limiting supporting leg 15 on the downstream side, a rubber pad 16, a pin shaft 17, a row of floating bodies 18, a floating box structure 19 and a hanging gate 20.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 to 5, a block and float row from floating for hydropower station water inlet, including left side spout 1, right side spout 2, left side from floating coaster 3, right side from floating coaster 4 and float body 5, left side spout 1 and right side spout 2 corresponds the both sides gate pier 6 that sets up at the hydropower station water inlet, left side from floating coaster 3 and 1 sliding fit of left side spout, right side from floating coaster 4 and 2 sliding fit of right side spout, float body 5 has a plurality ofly, a plurality of float bodies 5 form one row of body 18 after linking gradually to this one row of body 18 that floats one of them end float body 5 and left side from floating coaster 3 is connected, another end float body 5 and right side from floating coaster 4 to be connected, one row of body 18 is the last arch distribution towards hydropower station water inlet upstream direction.
The utility model discloses well accessible dowel will block from the floating tip spout 1, 2 that float was arranged and install on the floodgate 6 of power station water inlet tower body left and right sides, directly utilize current water inlet tower body as the arrangement structure of spout 1, 2, avoided the construction work that needs excavation and spout in both sides bank, can effectual reduction engineering volume. Simultaneously, through arranging the floating body 5 into a row of arch structures towards the upstream, the floating blocking axis distance is short and is not easy to interfere with the water inlet tower body.
More specifically, nylon soft nets 7 are arranged at connecting gap positions between the floating body 5 and the floating body 5, between the floating body 5 and the left self-floating tackle 3 and between the floating body 5 and the right self-floating tackle 4 for intercepting dirt; the floating stopping device is used for improving the floating stopping effect between two adjacent floating bodies 5 and avoiding the floating objects from overflowing between two adjacent floating bodies 5.
More specifically, the left self-floating tackle 3, the right self-floating tackle 4 and each floating body 5 are further provided with a railing 8, and through the arrangement of the railings, the operation personnel can pass on the floating body 5 more safely. Without loss of generality, the railings 8 can be arranged in two rows in parallel, and a pedestrian passage is formed between the two rows of railings 8.
In addition, the left self-floating tackle 3 and the right self-floating tackle 4 in the utility model are both structures capable of realizing automatic lifting and floating, and respectively comprise a tackle body 9 and an end buoyancy tank 10, a pulley 11 is arranged on the tackle body 9, and the pulley 11 is nested into a chute on the corresponding side and is in sliding fit with the chute; the pulley body 9 is connected with one end of the corresponding end buoyancy tank 10, and the other end of the end buoyancy tank 10 is connected with the corresponding floating body 5. The end buoyancy tank 10 drives the pulley body 9 to lift and float in the chute under the buoyancy effect generated along with the lifting of the water level, so that the self-floating purpose is realized.
Additionally, as shown in FIG. 1; the utility model discloses in further be provided with connecting rod 13 floating body 5 middle part with running through, connecting rod 13's both ends form respectively from floating body 5's both ends tip and connect free bearing 12 structure after wearing out, adjacent two float and connect through connecting free bearing 12 between the body 5. In this way, the forces between the floating bodies 5 will be mainly carried by the connecting rods 13, and thus the tensile and compressive forces of the floating bodies 5 in the axial direction can be increased.
Without loss of generality, the connecting hinged support 12 on the floating bodies 5 at the two ends of the row of floating bodies 18 is connected with the self-floating pulleys 3 and 4 at the corresponding ends, and correspondingly, connecting structures which are consistent with or similar to the connecting hinged support 12 can also be arranged on the self-floating pulleys 3 and 4.
More specifically, the articulated hinge supports 12 are pinned by a pin 17 and allow a certain range of rotational adjustment of two adjacent floats 5. Without loss of generality, the connection between the floating body 5 and the self-floating pulleys 3 and 4 at the two ends can also be connected by a pin 17.
In addition, the floating body 5 of the utility model needs to form a corresponding arch structure after being connected in sequence, for example, a semi-circular arc structure is formed, therefore, in order to improve the stability of the arch structure formed by the floating body 5, two sides of each connecting hinged support 12 are further respectively provided with a limit supporting leg 14, 15, one end of the limit supporting leg 14, 15 is fixedly connected with the floating body, and the other end forms a limit end after extending outwards; and the length of the limiting leg 14 on the upstream side is further set to be greater than that of the limiting leg 15 on the downstream side so that two adjacent floating bodies 5 are connected to have a certain deflection angle theta or rotate within a certain deflection angle range, as shown in fig. 4. In addition, in order to make two adjacent floating bodies 5 still have a certain range of rotation angle after being connected, a certain gap should be left between the corresponding limit legs 14 and 15 of the two floating bodies 5 after being connected. Furthermore, rubber pads 16 are arranged on the end surfaces of the limiting support legs 14 and 15, so that the anti-collision buffer effect of the limiting support legs 14 and 15 between the adjacent floating bodies 5 is achieved.
More specifically, the floating body 5 of the present invention may specifically include a buoyancy tank structure 19 and a hanging grid 20, wherein the hanging grid 20 is disposed at the lower portion of the upstream side of the buoyancy tank structure 19 and extends downward, as shown in fig. 5. The buoyancy tank structure 19 is for generating buoyancy, and the hanging grid 20 is for improving the interception effect of the floating objects. Accordingly, the connecting rods 13 may be provided through the pontoon structure 19, in particular with reference to the arrangement shown in the drawings.
Claims (8)
1. A block and float row from floating for power station water inlet, its characterized in that: comprises a left sliding chute (1), a right sliding chute (2), a left self-floating pulley (3), a right self-floating pulley (4) and a floating body (5), the left sliding chute (1) and the right sliding chute (2) are correspondingly arranged on gate piers (6) at two sides of a water inlet of the hydropower station, the left self-floating pulley (3) is in sliding fit with the left sliding chute (1), the right self-floating pulley (4) is in sliding fit with the right sliding chute (2), the floating bodies (5) are provided with a plurality of floating bodies (5), the plurality of floating bodies (5) are connected in sequence to form a row of floating bodies (18), and the floating body (5) at one end of the row of floating bodies (18) is connected with the left self-floating tackle (3), the floating body (5) at the other end is connected with the self-floating pulley (4) at the right side, the row of floating bodies (18) are distributed in an upward arch shape towards the upstream direction of the water inlet of the hydropower station.
2. The self-floating float interception raft for a water inlet of a hydropower station according to claim 1, wherein: and nylon soft nets (7) are arranged at connecting clearance positions between the floating body (5) and the floating body (5), between the floating body (5) and the left self-floating tackle (3) and between the floating body (5) and the right self-floating tackle (4) to intercept dirt.
3. The self-floating float interception raft for a water inlet of a hydropower station according to claim 1, wherein: railings (8) are arranged on the left self-floating pulley (3), the right self-floating pulley (4) and each floating body (5).
4. The self-floating float interception raft for a water inlet of a hydropower station according to claim 1, wherein: the left self-floating pulley (3) and the right self-floating pulley (4) respectively comprise a pulley body (9) and an end buoyancy tank (10), pulleys (11) are arranged on the pulley body (9), and the pulleys (11) are nested into corresponding side sliding grooves and are in sliding fit with the sliding grooves; the pulley body (9) is connected with one end of the corresponding end part floating box (10), and the other end of the end part floating box (10) is connected with the corresponding floating body (5).
5. The self-floating float interception raft for a water inlet of a hydropower station according to claim 1, wherein: the floating body (5) is provided with a connecting rod (13) in the middle in a penetrating manner, two ends of the connecting rod (13) penetrate out of the end parts of the two ends of the floating body (5) respectively to form a connecting hinged support (12) structure, two adjacent floating bodies (5) are connected through the connecting hinged support (12), two sides of the connecting hinged support (12) are provided with limiting support legs respectively, the length of the limiting support leg (14) on the upstream side is larger than that of the limiting support leg (15) on the downstream side, and therefore two adjacent floating bodies (5) are connected and then have a certain deflection angle theta.
6. The self-floating float interception raft for a water inlet of a hydropower station according to claim 1, wherein: rubber pads (16) are arranged on the end surfaces of the limiting supporting leg (14) on the upstream side and the limiting supporting leg (15) on the downstream side.
7. The self-floating float interception raft for a water inlet of a hydropower station according to claim 1, wherein: the floating body (5) is rotatably connected with the floating body (5), the floating body (5) is connected with the left self-floating pulley (3), and the floating body (5) is rotatably connected with the right self-floating pulley (4) through pin shafts (17).
8. The self-floating float interception raft for a water inlet of a hydropower station according to any one of claims 1 to 7, wherein: the floating body (5) comprises a floating box structure (19) and a hanging grid (20), wherein the hanging grid (20) is arranged on the lower portion of the upstream side of the floating box structure (19) and extends downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922332255.9U CN211773459U (en) | 2019-12-23 | 2019-12-23 | Self-floating type floating dam for water inlet of hydropower station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922332255.9U CN211773459U (en) | 2019-12-23 | 2019-12-23 | Self-floating type floating dam for water inlet of hydropower station |
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| CN211773459U true CN211773459U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922332255.9U Active CN211773459U (en) | 2019-12-23 | 2019-12-23 | Self-floating type floating dam for water inlet of hydropower station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295833A (en) * | 2020-10-30 | 2021-02-02 | 扬州市飞龙气动液压设备有限公司 | Floating type trash landscape fountain |
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2019
- 2019-12-23 CN CN201922332255.9U patent/CN211773459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295833A (en) * | 2020-10-30 | 2021-02-02 | 扬州市飞龙气动液压设备有限公司 | Floating type trash landscape fountain |
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