CN214245608U - Flat gate device capable of being opened and closed by moving water - Google Patents
Flat gate device capable of being opened and closed by moving water Download PDFInfo
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- CN214245608U CN214245608U CN202023103309.3U CN202023103309U CN214245608U CN 214245608 U CN214245608 U CN 214245608U CN 202023103309 U CN202023103309 U CN 202023103309U CN 214245608 U CN214245608 U CN 214245608U
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Abstract
The utility model provides a flat gate device for opening and closing operation of moving water, which comprises a door body, a main beam rear flange, an upper panel, a door body bottom edge, a bottom beam, a door slot, an upstream track, a downstream track, a bottom water stop device, a hexagonal head bolt with holes and a steel wire, wherein the door body bottom edge is positioned at the bottom of the door body, and consists of a door body bottom edge upstream panel, a door body bottom edge rear flange, a second main beam web plate, a door body bottom edge web plate and a bottom beam; the intersection of the upper panel and the door body bottom edge upstream panel adopts circular arc transition, the door body bottom edge upstream panel is intersected with the bottom beam, and the water facing surface of the bottom beam is a fillet; the side columns and the bottom beam form a U-shaped frame; the bottom water stopping device is fixed on the bottom beam through the hexagonal head bolt with the hole, and the steel wire penetrates through the hole of the hexagonal head bolt with the hole to wind the hexagonal head bolt with the hole into a bolt group. The utility model discloses can ensure that the door body overflows the flow regime good, and improve the rivers condition in the gate slot, reduce the risk of gate slot cavitation erosion destruction.
Description
Technical Field
The utility model relates to a hydraulic and hydroelectric engineering field especially moves water and opens and close flat gate device of operation.
Background
The gates at a plurality of positions in the water conservancy and hydropower engineering need to have the opening and closing operation function under the flowing water state, such as a working door of a water inlet of a power station, a tail water accident door, a bottom hole sand discharging working door, a flood discharge working door and the like.
Compare the flat gate of still water opening and close operation, when moving the water and opening and close operation flat gate, it is higher to the requirement such as locking of the gate door body, gate slot size and the fastener that is used for connecting a body auxiliary device, specifically, mainly include:
(1) the door body flows the flow regime and needs well, and door body bottom edge size plays key effect to flowing the flow regime, if the design of bottom edge size is unreasonable, will cause the rivers flow regime not good, and the door body produces the negative pressure, and the bottom edge also can induce a body vibration because of the pressure fluctuation that rivers separation leads to, and the door body produces cavitation erosion simultaneously and destroys, brings the potential safety hazard for the door body, and the research shows, sequences in proper order from low to high according to the possibility of cavitation erosion destruction: the inclination angle of the upstream panel is 45 degrees, the inclination angle of the downstream panel is 30 degrees, and the inclination angle of the upstream panel and the inclination angle of the downstream panel are combined;
(2) the gate slot of the gate needs good flow state, and if the gate slot is unreasonably designed, the gate slot is easy to generate cavitation damage under the action of flowing water;
(3) when the gate is opened and closed by running water, the gate can vibrate, especially when the upstream and downstream water heads are large and submerged for outflow, the vibration and high-speed fluid can loosen the fastening piece connected with the door body accessory device (such as a water stopping device, a supporting device and the like), so that the accessory device falls off, the falling of the water stopping device and the like can cause the door body to leak water, and the door body vibration can be increased in reverse, so that the fastening piece has the function of preventing looseness.
The requirements bring great difficulty to the design of the flat gate device, the design of the door body and the gate slot is often complex in actual engineering design, and the problems are more in the using process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide a plain plate gate device that type of structure is simple.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
the utility model provides a move water and open and close flat gate device of operation, includes the door body, girder back flange, upper portion panel, door body bottom edge, floorbar, gate slot, upper reaches track, low reaches track, end water stopping device, its characterized in that: the door body bottom edge comprises a door body bottom edge upstream panel, a door body bottom edge rear flange, a second main beam web, a door body bottom edge web and a bottom beam, wherein the door body bottom edge upstream panel and the door body bottom edge rear flange are welded into a box body structure through the second main beam web, the door body bottom edge web and the bottom beam; the upper panel is vertically arranged, the inclination angle of the upstream panel at the bottom edge of the door body is 45 degrees, the intersection of the upper panel and the upstream panel at the bottom edge of the door body adopts circular arc transition, the upstream panel at the bottom edge of the door body is intersected with the bottom beam, and the water-facing surface of the bottom beam is a fillet; the side columns and the bottom beam form a U-shaped frame; the bottom water stopping device is fixed on the bottom beam through the hexagonal head bolt with the hole, and the steel wire penetrates through the hole of the hexagonal head bolt with the hole to wind the hexagonal head bolt with the hole into a bolt group.
Further, the upper panel is connected with the main beam rear flange through the first main beam web.
The door body is characterized by further comprising two side columns, wherein the two side columns and the rear flange of the bottom edge of the door body are welded on the bottom beam, the web plate of the second main beam and the web plate of the bottom edge of the door body are connected with the upper panel, and the two side columns of the upstream panel of the bottom edge of the door body and the bottom beam form a U-shaped frame to serve as a supporting structure of the door body in the door slot, the supporting structure extends into the door slot, the upstream surface of the supporting structure corresponds to the upstream track, and the downstream surface of the supporting structure corresponds to the downstream track.
Furthermore, a 10mm gap is reserved between the support structure and the upstream direction and the downstream direction of the door slot.
The utility model adopts the above technical scheme to compare with prior art, have following effect:
(1) the inclination angle of the upstream panel at the bottom edge of the door body is 45 degrees, the arc transition of the upper panel and the upstream panel at the bottom edge and the fillet of the upstream surface of the bottom beam on the water surface ensure that the overflowing flow state of the door body is good.
(2) The side columns and the bottom beam form a U-shaped structure, the overall rigidity of the door body is improved, the door body is not provided with the side columns with upper and lower flanges in the conventional sense, and the U-shaped structure is used as a supporting structure of the door body in the door slot, so that the height of the door slot is greatly reduced, the water flow condition in the door slot is improved, the risk of cavitation damage of the door slot is reduced, and the engineering quantity is saved;
(3) under the condition of meeting the inclination angle of the upstream panel at the bottom edge of the door body, the section of the bottom edge structure of the door body is weakened more, and the bottom edge structure of the door body is designed into a box body structure, so that the bending modulus of the bottom edge of the door body can be enhanced, the rigidity of the bottom edge of the door body is enhanced, the water retaining capability of the gate is improved, and the resonance phenomenon with a water body can be effectively avoided;
(4) the door body water stopping device is fixed by the hexagonal head perforated bolt, and the hexagonal head perforated bolt is linked together by the steel wire to form a bolt group, so that the bolt is prevented from loosening under the action of vibration and flowing water.
Drawings
FIG. 1(a) is a vertical view of a middle door body of a plate gate device for opening and closing with flowing water according to the present invention; FIG. 1(b) is a sectional view taken along line I-I in FIG. 1 (a);
FIG. 2 is a sectional view taken along line II-II in FIG. 1 (a);
FIG. 3 is an enlarged view of part A in FIG. 1 (b);
FIG. 4 is an enlarged view of a portion B in FIG. 1 (a);
FIG. 5 is an enlarged view of portion C of FIG. 2;
the reference numerals in the figures are as follows:
1-door body; 2-main beam rear flange; 3 a-first spar web; 3 b-a second spar web; 4-upper panel; 5, the bottom edge of the door body; 6-door body bottom edge upstream panel; 7-door body bottom edge back flange; 8-a door body bottom edge web; 9-side column; 10-bottom beam; 11-door slot; 12 — an upstream track; 13-a downstream track; 14-bottom water stop device; 15-hexagon head bolt with hole; 16-steel wire.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the accompanying drawings, but the scope of protection claimed is not limited to the embodiments.
Referring to fig. 1(a) and 1(b), a flat gate device for opening and closing with flowing water comprises a door body 1, a main beam rear flange 2, a first main beam web 3a, an upper panel 4, a door body bottom edge 5, a side column 9, a bottom beam 10, a door slot 11, an upstream track 12, a downstream track 13, a bottom water stop device 14, a hexagonal head bolt with hole 15 and a steel wire 16.
The upper panel 4 is connected with the main beam rear flange 2 through a first main beam web 3a to form a main beam structure for bearing upstream water pressure.
The door body bottom edge 5 is positioned at the bottom of the door body 1 and consists of a door body bottom edge upstream panel 6, a door body bottom edge rear flange 7, a second main beam web 3b, a door body bottom edge web 8 and a bottom beam 10; the door body bottom edge upstream panel 6 and the door body bottom edge rear flange 7 are welded into a box structure through a second main beam web 3b, a door body bottom edge web 8 and a bottom beam 10 (shown in fig. 1(b) and 3) to bear the upstream water pressure.
The upper panel 4 is intersected with the door body bottom edge upstream panel 6, the upper panel 4 is vertically arranged, the inclination angle of the door body bottom edge upstream panel 6 is 45 degrees, the intersection of the upper panel 4 and the door body bottom edge upstream panel 6 adopts circular arc transition, the door body bottom edge upstream panel 6 is intersected with the bottom beam 10, and the water facing surface of the bottom beam 10 is a fillet.
Referring to fig. 2 and 5, two side columns 9 are welded to the bottom beam 10, the second main beam web 3b and the door body bottom edge web 8 are connected to the upper panel 4, the door body bottom edge upstream panel 6 and the door body bottom edge rear flange 7, the two side columns 9 and the bottom beam 10 form a U-shaped frame as a support structure of the door body 1 in the door slot 11, the support structure extends into the door slot 11, a 10mm gap is left between the support structure and the door slot 11 in the upstream and downstream directions, the upstream surface of the support structure corresponds to the upstream rail 12, the downstream surface of the support structure corresponds to the downstream rail 13, and the upstream rail 12 and the downstream rail 13 serve as a part of the door slot to restrain the door body support structure.
Referring to fig. 4, the bottom water stop device 14 is fixed to the bottom beam 10 by a hexagonal socket head bolt 15, and a steel wire 16 is passed through a hole of the hexagonal socket head bolt 15 to wind the hexagonal socket head bolt 15 into a bolt group.
The utility model has the following technical advantages:
1. the inclination angle of the door body bottom edge upstream panel 6 is 45 degrees, the arc transition of the upper panel 4 and the door body bottom edge upstream panel 6 and the water-facing surface fillet of the bottom beam 10 enable the door body bottom edge 5 to have a good streamline shape, and the condition that the door body has a good overflowing flow state when the gate is opened and closed by flowing water is ensured.
2. The side columns 9 and the bottom beam 10 form a U-shaped structure, the overall rigidity of the door body 1 is improved, the U-shaped structure serves as a supporting structure of the door body 1 in the door groove 11, the height of the door groove 11 is greatly reduced, the water flow condition in the door groove 11 is improved, the risk of cavitation erosion damage of the door groove 11 is reduced, and meanwhile the engineering quantity is saved.
3. Compared with the vertical arrangement of the panels, the inclination angle of the upstream panel 6 at the bottom edge of the door body is 45 degrees, so that the bending modulus of the section is weakened, therefore, the bottom edge 5 of the door body is designed into a box body structure, the bending modulus of the bottom edge 5 of the door body can be enhanced, and the rigidity of the bottom edge 5 of the door body can be enhanced.
4. The steel wire 16 winds the hexagonal head bolt with the hole 15 into a bolt group, and the anti-loosening capability of the fastener is improved.
The embodiments of the present invention have been described above in detail, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be easily modified or replaced, all of which are covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a move water and open and close flat gate device of operation, includes the door body, girder back flange, upper portion panel, door body bottom edge, side column, floorbar, gate slot, upper reaches track, low reaches track, end stagnant water device, its characterized in that: the door body bottom edge comprises a door body bottom edge upstream panel, a door body bottom edge rear flange, a second main beam web, a door body bottom edge web and a bottom beam, wherein the door body bottom edge upstream panel and the door body bottom edge rear flange are welded into a box body structure through the second main beam web, the door body bottom edge web and the bottom beam; the upper panel is vertically arranged, the inclination angle of the upstream panel at the bottom edge of the door body is 45 degrees, the intersection of the upper panel and the upstream panel at the bottom edge of the door body adopts circular arc transition, the upstream panel at the bottom edge of the door body is intersected with the bottom beam, and the water-facing surface of the bottom beam is a fillet; the side columns and the bottom beam form a U-shaped frame; the bottom water stopping device is fixed on the bottom beam through the hexagonal head bolt with the hole, and the steel wire penetrates through the hole of the hexagonal head bolt with the hole to wind the hexagonal head bolt with the hole into a bolt group.
2. The dynamic water opening and closing operated platform gate device according to claim 1, characterized in that: the upper panel is connected with the main beam rear flange through a first main beam web plate.
3. The dynamic water opening and closing operated platform gate device according to claim 1, characterized in that: two side columns and the welding of door body bottom edge back flange are on the floorbar, and second girder web, door body bottom edge web are connected upper portion panel, two side columns of door body bottom edge upper reaches panel and floorbar and are formed the bearing structure of U type frame as the door body in the gate slot, and bearing structure stretches into the gate slot, and bearing structure's upstream face corresponds the upper reaches track, and bearing structure's downstream face corresponds the low reaches track.
4. The lock gate device for a dynamic water gate as claimed in claim 3, wherein: a10 mm gap is reserved between the supporting structure and the upstream direction and the downstream direction of the door slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103309.3U CN214245608U (en) | 2020-12-22 | 2020-12-22 | Flat gate device capable of being opened and closed by moving water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103309.3U CN214245608U (en) | 2020-12-22 | 2020-12-22 | Flat gate device capable of being opened and closed by moving water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214245608U true CN214245608U (en) | 2021-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023103309.3U Active CN214245608U (en) | 2020-12-22 | 2020-12-22 | Flat gate device capable of being opened and closed by moving water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214245608U (en) |
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2020
- 2020-12-22 CN CN202023103309.3U patent/CN214245608U/en active Active
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