CN211472429U - Tail sluice gate arrangement structure of pumped storage power station tail lock chamber - Google Patents
Tail sluice gate arrangement structure of pumped storage power station tail lock chamber Download PDFInfo
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- CN211472429U CN211472429U CN201921270276.6U CN201921270276U CN211472429U CN 211472429 U CN211472429 U CN 211472429U CN 201921270276 U CN201921270276 U CN 201921270276U CN 211472429 U CN211472429 U CN 211472429U
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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 a tail sluice gate arrangement structure of a pumped storage power station tail lock chamber, which comprises a gate, a gate slot and a hydraulic hoist, wherein four sets of cantilever fixed wheels arranged at the top of the gate hang the gate on a track arranged on a top cover of the gate slot, the track is welded with rail surfaces with two thicknesses, and transition sections are arranged between the rail surfaces with different thicknesses; four sets of reverse elastic fixed wheel devices are arranged at the back of the gate, and the front and rear sets of reverse elastic fixed wheel devices are staggered from each other in height position; and a hydraulic hoist for pushing the gate is arranged on the side cover of the gate slot, the hydraulic hoist is connected with the gate through a short pull rod, and a gap is reserved between the short pull rod and a shaft of the hydraulic hoist. The utility model has the advantages that: the hydraulic hoist has the advantages of simple structure, safety in use and convenience in installation and maintenance, the stroke of the hydraulic hoist can be reduced, and the excavation engineering amount of a tail gate chamber can be greatly reduced; the capacity of the hydraulic hoist can be greatly reduced, the gate can be closed by moving water under the condition of a small water head difference, and the capacity of the hydraulic hoist is greatly reduced.
Description
Technical Field
The utility model relates to a pumped storage power station engineering technical field, concretely relates to tail sluice gate arrangement structure of pumped storage power station tail lock chamber.
Background
The tail gate of the tail gate chamber of the pumped storage power station is widely applied to pumped storage power station engineering. According to the general arrangement, the tail lock chamber metal structure equipment comprises an accident gate, a gate slot, a hydraulic hoist, a bridge maintenance machine, a water filling system, an air filling and exhausting system and the like. The gate slot is buried underground on the second stage concrete, the gate is installed in the gate slot, and the top cover of the gate slot is provided with an operating equipment hydraulic hoist. The gate slot structure is divided into embedded parts such as a bottom plate, a side plate, a top plate and a waist box, the conventional design adopts a second-stage concrete structure, and the excavation height of the tail gate chamber is determined by the gate height, the door opening height, the length of a short pull rod, the height of an overhaul bridge crane and the length of a hydraulic hoist cylinder. The capacity of the hoist is determined by calculation according to the full water head moving underwater door. This conventional arrangement suffers from the following drawbacks: 1. the excavation height of the tail gate chamber is high, and the excavation engineering quantity is large; 2. The hoist has large capacity; 3. the indoor arrangement of the whole tail lock chamber is not tidy enough.
Disclosure of Invention
The utility model aims at providing a simple structure, safe in utilization, installation maintain convenient, reduce hydraulic hoist stroke and can reduce the tail floodgate door arrangement structure of pumped storage power station tail floodgate room of tail floodgate room excavation engineering volume by a wide margin.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a tail sluice gate arrangement structure of a tail gate chamber of a pumped storage power station comprises a gate, a gate slot and a hydraulic hoist, wherein four sets of cantilever fixed wheels arranged at the top of the gate suspend the gate on a track arranged on a top cover of the gate slot, the track is welded with track surfaces with two thicknesses, and a transition section is arranged between the track surfaces with different thicknesses; four sets of reverse elastic fixed wheel devices are arranged at the back of the gate, and the front and rear sets of reverse elastic fixed wheel devices are staggered from each other in height position; and a hydraulic hoist for pushing the gate is arranged on the side cover of the gate slot, the hydraulic hoist is connected with the gate through a short pull rod, and a gap is reserved between the short pull rod and a shaft of the hydraulic hoist.
Furthermore, rail surfaces welded on the rail are respectively a 12mm rail surface and a 6mm rail surface, and a transition section of 1:10 is arranged between the 12mm rail surface and the 6mm rail surface.
Furthermore, the shaft hole of the hydraulic hoist connected with the short pull rod is a long waist hole.
Furthermore, a water filling system is arranged on the side face of the gate slot, and the diameter of a water filling pipe of the water filling system is selected in a matching mode according to the diameter of a water taking pipe of the tail water system.
Compared with the prior art, the utility model, have following advantage:
the utility model relates to a tail sluice gate arrangement structure of a pumped storage power station tail lock chamber, which has simple structure, safe use and convenient installation and maintenance, can reduce the stroke of a hydraulic hoist and can greatly reduce the excavation engineering amount of the tail lock chamber; meanwhile, the capacity of the hydraulic hoist can be greatly reduced, the gate can be closed by moving water under the condition of a small water level difference, and the capacity of the hydraulic hoist is greatly reduced.
Drawings
Fig. 1 is a plan layout view of a tail gate arrangement structure of a tail gate chamber of a pumped storage power station.
Fig. 2 is a schematic view of a section a-a of the arrangement structure of the tail gate chamber of the pumped storage power station.
Fig. 3 is the utility model discloses a tail lock hole overhauls bridge crane enlarged schematic diagram among tail sluice gate arrangement structure of pumped storage power station tail lock room.
Fig. 4 is a schematic B-B sectional view of the arrangement structure of the tail gate chamber of the pumped storage power station of the present invention.
Fig. 5 is a schematic C-C sectional view of the arrangement structure of the tail gate chamber of the pumped storage power station of the present invention.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The tail water gate arrangement structure in the prior art pushes a hydraulic hoist which opens and closes the gate to be vertically arranged, and drives the gate to move up and down.
As shown in fig. 1 to 5, the arrangement structure of the tail sluice gate of the pumped storage power station tail sluice chamber comprises a gate 1, a sluice gate, and a hydraulic hoist 2, wherein four sets of cantilever fixed wheels 3 arranged at the top of the gate 1 suspend the gate 1 on a track 5 arranged on a top cover 41 of the sluice gate, the track 5 is welded with rail surfaces made of stainless steel and having two thicknesses, namely a rail surface 51 of 12mm and a rail surface 52 of 6mm, and a transition section 53 of 1:10 is arranged between the rail surface 51 of 12mm and the rail surface 52 of 6 mm; four sets of reverse elastic fixed wheel devices 6 are arranged at the back of the gate 1, and the front and rear sets of reverse elastic fixed wheel devices 6 are mutually staggered in height position; the gate slot side cover 42 is provided with a hydraulic hoist 2 for pushing the gate 1, the gate 1 is opened and closed by changing the vertical movement into the horizontal movement, the hydraulic hoist 2 is connected with the gate 1 through a short pull rod 7, the shaft hole of the hydraulic hoist 2 connected with the short pull rod 7 is a long waist hole, and a gap is reserved between the short pull rod 7 and the hydraulic hoist 2.
As shown in fig. 2-5, when the gate 1 is at the fully open position, four sets of cantilever fixed wheels 3 on the upper part of the gate 1 are positioned on a stainless steel 12mm rail surface 51, the bottom water seal at the front end of the gate 1 is 6mm away from a bottom sill, the bottom water seal at the rear end of the gate 1 is 1mm away from the bottom sill, and the four sets of reverse elastic fixed wheel devices 6 are arranged at a gap of 0mm from a gate groove side waist box 43; when the gate 1 is closed, the front two wheels of the four sets of cantilever fixed wheels 3 on the upper part of the gate 1 are positioned on a 6mm rail surface 52, the rear two wheels of the four sets of cantilever fixed wheels 3 on the upper part of the gate 1 are positioned on a 12mm rail surface 51, bottom water seals at the front end and the rear end of the gate 1 are all 1mm away from a bottom sill, the front two sets of reverse elastic fixed wheel devices 6 are suspended, and the gaps between the rear two sets of reverse elastic fixed wheel devices 6 and a gate side waist box 43 are set according to 0 mm; when the gate 1 is in the fully closed position, the front two wheels of the four sets of cantilever fixed wheels 3 on the upper portion of the gate 1 are positioned on the rail surface, the rear two wheels of the four sets of cantilever fixed wheels 3 on the upper portion of the gate 1 are positioned on the 6mm rail surface 52, the bottom water seals at the front end and the rear end of the gate 1 are all compressed by 5mm, and the four sets of reverse elastic fixed wheel devices 6 pass through 1 of the gate slot side plate 44 track: the inclined surface 10 presses the gate 1, so that the water seal rubber on the top side of the gate 1 is in a pre-pressing state.
The utility model relates to a tail sluice gate arrangement structure of pumped storage power station tail lock room, specific step of arranging as follows: (1) the tunnel excavation size of the tail lock chamber is proposed according to the equipment arrangement requirement; (2) purchasing a gate, a gate slot, a water filling system, an exhaust system and a hydraulic hoist system according to equipment requirements; (3) installing a door slot, a water filling buried pipe and an exhaust buried pipe according to equipment requirements; (4) pouring a second stage according to requirements, and arranging a hydraulic pipe trench; (5) and installing a gate, a hoist, a gate slot cover plate, a water filling system, an exhaust system and an electrical system according to equipment requirements, and debugging each system according to the requirements.
The utility model discloses arrange the contrast of establishing celestial being water-storage power station tail lock chamber, according to the utility model discloses a mode is arranged, can make the tail lock chamber hole dig the rock and reduce about 11000 cubic meters, and hydraulic hoist machine capacity becomes 1000kN (power of opening/door power of closing) by 5000kN (power of holding)/1200 kN (power of opening), and hydraulic hoist machine working stroke becomes 5.0m by 6.2m, and has guaranteed that whole tail lock chamber arranges succinctly.
The utility model discloses the beneficial effect who produces as follows:
the vertical lift gate is changed into a transverse pull gate, so that the rock volume excavated in the tail gate chamber can be greatly reduced; four sets of cantilever fixed wheels are arranged at the upper part of the gate, and the bottom water seal of the gate keeps no friction in the movement process of the gate through different height configurations of the fixed wheels and the track; four sets of reverse elastic fixed wheel devices are arranged on the back of the gate and are used for jacking the gate through the track wedge surface of the gate slot side plate, so that the water seal rubber on the top side of the gate is in a prepressing state; the hydraulic hoist is connected with the gate through the short pull rod, the shaft hole of the short pull rod connected with the hydraulic hoist is set as a long waist hole, when the hydraulic hoist closes the gate to a full-closed position, a certain gap is reserved between the short pull rod and the shaft of the hydraulic hoist, so that when the gate accidentally bears the water pressure of an upper warehouse, the gate can move downstream to relieve the pressure without causing the hydraulic hoist to bear a lateral load; the water filling system is arranged on the side surface of the gate slot, so that the water filling head loss of the gate slot is greatly reduced; the diameter of the water filling pipe is selected according to the matching calculation of the diameter of the water taking pipe of the tail water system, so that the water supplementing amount of the water filling pipe under the condition of 10m water head can be equal to the water leakage amount of the broken water taking pipe of the tail water system, the water filling system is designed according to the condition, the capacity of the hydraulic hoist can be selected according to the calculation and determination of the water closing of the gate under the condition of 10m (about) water head, and therefore the capacity of the hydraulic hoist can be greatly reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be considered as the protection scope of the present invention.
Claims (4)
1. The utility model provides a tail sluice gate arrangement structure of pumped storage power station tail lock room, includes gate, gate slot, hydraulic hoist machine, its characterized in that: four sets of cantilever fixed wheels arranged at the top of the gate suspend the gate on a track arranged on a gate slot top cover, the track is welded with two kinds of track surfaces with different thicknesses, and a transition section is arranged between the track surfaces with different thicknesses; four sets of reverse elastic fixed wheel devices are arranged at the back of the gate, and the front and rear sets of reverse elastic fixed wheel devices are staggered from each other in height position; and a hydraulic hoist for pushing the gate is arranged on the side cover of the gate slot, the hydraulic hoist is connected with the gate through a short pull rod, and a gap is reserved between the short pull rod and a shaft of the hydraulic hoist.
2. The tailgate arrangement for a pumped-storage power plant tailgate chamber of claim 1, wherein: the rail surfaces welded on the rail are respectively a 12mm rail surface and a 6mm rail surface, and a transition section of 1:10 is arranged between the 12mm rail surface and the 6mm rail surface.
3. The tailgate arrangement for a pumped-storage power plant tailgate chamber of claim 1, wherein: and the shaft hole of the hydraulic hoist connected with the short pull rod is a long waist hole.
4. The tailgate arrangement for a pumped-storage power plant tailgate chamber of claim 1, wherein: and a water filling system is arranged on the side surface of the gate slot, and the diameter of a water filling pipe of the water filling system is selected in a matching way according to the diameter of a water taking pipe of the tail water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270276.6U CN211472429U (en) | 2019-08-07 | 2019-08-07 | Tail sluice gate arrangement structure of pumped storage power station tail lock chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270276.6U CN211472429U (en) | 2019-08-07 | 2019-08-07 | Tail sluice gate arrangement structure of pumped storage power station tail lock chamber |
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| Publication Number | Publication Date |
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| CN211472429U true CN211472429U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921270276.6U Active CN211472429U (en) | 2019-08-07 | 2019-08-07 | Tail sluice gate arrangement structure of pumped storage power station tail lock chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030115A (en) * | 2022-06-22 | 2022-09-09 | 中国电建集团华东勘测设计研究院有限公司 | Hydraulic operation valve system capable of replacing tail gate chamber gate and headstock gear of pumped storage power station |
-
2019
- 2019-08-07 CN CN201921270276.6U patent/CN211472429U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030115A (en) * | 2022-06-22 | 2022-09-09 | 中国电建集团华东勘测设计研究院有限公司 | Hydraulic operation valve system capable of replacing tail gate chamber gate and headstock gear of pumped storage power station |
| CN115030115B (en) * | 2022-06-22 | 2024-01-26 | 中国电建集团华东勘测设计研究院有限公司 | Hydraulic operation valve system capable of replacing gate of tail gate chamber of pumping and storing station and hoist |
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