CN212642940U - Horizontal dismounting drain cone and piston cylinder cover device in rotating wheel chamber of bulb turbine unit - Google Patents
Horizontal dismounting drain cone and piston cylinder cover device in rotating wheel chamber of bulb turbine unit Download PDFInfo
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- CN212642940U CN212642940U CN202020722625.XU CN202020722625U CN212642940U CN 212642940 U CN212642940 U CN 212642940U CN 202020722625 U CN202020722625 U CN 202020722625U CN 212642940 U CN212642940 U CN 212642940U
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- piston cylinder
- guide rail
- seat
- cylinder cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses an indoor horizontal dismouting sluicing awl of bulb through-flow unit runner and piston cylinder cap device, piston cylinder cap are located the runner chamber, and the sluicing awl is located the tail end of runner chamber, the device includes the support member that sets up at the indoor fixed of runner, and the rear end of runner chamber is fixed and is equipped with the tail water pipeline section and hangs the seat, is equipped with on the tail water pipeline and plays and hangs the seat, supports the member and lifts by crane and be equipped with the guide rail between the seat, is equipped with on the guide rail and can follows the gliding track coaster of guide rail, is equipped with the hoisting apparatus of cooperation sluicing awl and piston cylinder cap be assembled between. The utility model has the advantages that the drain cone and the piston cylinder cover can be directly removed under the condition of assembling the runner chamber and the engine pit, the internal state of the runner body can be checked when the maintenance is convenient, and the maintenance difficulty of the paddle operating mechanism and the piston cylinder is reduced; stable and reliable structure and convenient disassembly and assembly.
Description
Technical Field
The utility model discloses the hydraulic generator field belongs to the lathe processing field, specifically is an indoor horizontal dismouting wash-out awl of bulb through-flow unit runner and piston cylinder cap device.
Background
At present, the bulb tubular turbine has the structure that the runner chamber is arranged into a suspended detachable structure or a concrete-embedded structure at the lower half part, the hub body of the turbine is connected with the drain cone to form a cavity, and the operating mechanisms of the piston cylinder and the blades are installed in the cavity. For the overhaul of the piston cylinder and the paddle operating mechanism, the drain cone can be detached and the interior of the runner body can be checked only by opening the upper half part of the runner chamber, and the overhaul can be carried out only after the whole runner is lifted out of a machine pit and disintegrated during the overhaul of a unit A.
The planned repair age of the bulb tubular turbine set is generally 5-8 years, the current water turbine is overhauled from the planned overhaul to the state, but the piston cylinder and the operating mechanism in the rotating wheel of the bulb tubular rotary paddle structure cannot be examined under the condition of not disassembling, and great difficulty is brought to the state analysis of equipment.
Disclosure of Invention
Based on the problem, the utility model provides a can accomplish the device of indoor horizontal dismouting wash-out awl of bulb turbine unit runner and piston cylinder cap, can arrange in runner room finite space under the condition that does not demolish runner room first half and not hang out the whole machine hole of runner and disintegrate, occupation space is little, examines runner body internal state when being convenient for overhaul, has reduced the maintenance degree of difficulty of paddle operating device and piston cylinder.
In order to realize the utility model purpose, the utility model adopts the following technical scheme:
the utility model provides an indoor horizontal dismouting sluicing awl of bulb turbine unit runner and piston cylinder cap device, the piston cylinder cap is located the runner room, and the sluicing awl is located the tail end of runner room, the device includes the support member that sets up at the indoor fixed of runner, and the rear end of runner room is fixed and is equipped with the tail water pipe section and hangs the seat, is equipped with on the tail water pipe and hangs the seat, support member and lift by crane and be equipped with the guide rail between the seat, is equipped with on the guide rail and can follow the gliding track coaster of guide rail, is equipped with the hoisting apparatus of cooperation sluicing awl and piston cylinder cap be assembled.
Guide rail and support member all are rectangular shape, the area of transverse cross section is all less, and rise the seat of hanging, track coaster and hoisting device can all select for use the less equipment of volume, thereby can realize passing through the runner room with the form of spare part and advance each part of people's door opening gatherer, later the equipment of accomplishing the device in limited space, after fixed wash-out awl or piston end cover through hoisting device, just can accomplish the demolition of wash-out awl and piston cylinder cap in the horizontal direction, compare and need demolish the runner room first half among the prior art and just can demolish wash-out awl and inspect the runner body inside, this application can directly demolish wash-out awl and piston cylinder cap under the condition of runner room and pit equipment, inspect runner body internal state during the easy access, the maintenance degree of difficulty of paddle operating device and piston cylinder has been reduced.
Preferably, the hoisting device comprises a chain block fixedly suspended on the track trolley, and a hoisting hole or a first lifting ring screw matched with the chain block is arranged on the outer side of the drain cone. The chain block as the fixed pulley of the upgrading version completely inherits the advantages of the fixed pulley, and simultaneously adopts the combination of the reducer of the reverse non-return brake and the chain pulley block, the chain block presses the friction plate ratchet wheel and the brake seat into a whole to rotate together by dragging the hand chain and the hand chain wheel to rotate, the tooth long shaft rotates the plate gear, the tooth short shaft and the splined hole gear, the hoisting chain wheel arranged on the splined hole gear drives the hoisting chain, thereby stably lifting heavy objects, the ratchet wheel friction plate type one-way brake is used, the chain block can be automatically braked under load, the pawl is meshed with the ratchet wheel under the action of the spring, the brake works safely, compared with an electric block and other pulley mechanisms, the chain block is more convenient to install in a machine pit, other power structures are not needed, and the chain block has higher operation efficiency.
Preferably, the piston cylinder cover is provided with a second lifting bolt matched with the chain block. The hand chain block is convenient to be matched with the piston cylinder cover.
Preferably, the support rod is a vertically arranged support steel pipe, and the support steel pipe is fixed with the inner overflowing surface of the straight cone section of the runner chamber in a spot welding manner. The supporting function of the vertically arranged supporting steel pipe is reliable, and the supporting steel pipe cannot be subjected to radial force, so that the supporting capability of the supporting steel pipe is ensured; the support steel pipe is convenient to draw materials, and can be welded into a whole after a plurality of support steel pipes are attached, so that the support anti-deformation capacity of the support steel pipe is guaranteed, meanwhile, the connection surface of the support steel pipe and the runner chamber is small, the support steel pipe can be conveniently detached from the runner chamber after being used, and the inner flow surface of the runner chamber is restored.
Preferably, a reinforcing plate is arranged between the guide rail and the support rod member, the reinforcing plate and the support rod member are welded and fixed, and the reinforcing plate and the guide rail are connected through screws and welded and reinforced. The connection strength of the guide rail and the support rod piece is enhanced through the reinforcing plate, and the guide rail can be conveniently reused.
Preferably, a concrete pouring machine pit is arranged at the tail end of the runner body; the unit where the runner hub is located is connected to the front side of the machine pit through bolts, the tail water pipe section hanging seat is poured into the machine pit through concrete, and the lifting seat is connected with the tail water pipe section hanging seat through bolts. The tail water pipe section hanging seat is manufactured by adopting a pre-pouring method, does not need to be installed on site, is convenient to assemble and has high strength.
To sum up, the beneficial effects of the utility model are that: the water drain cone and the piston cylinder cover can be directly detached under the condition that the runner chamber and the engine pit are assembled, so that the internal state of the runner body can be conveniently checked during maintenance, and the maintenance difficulty of the paddle operating mechanism and the piston cylinder is reduced; stable and reliable structure and convenient disassembly and assembly.
Drawings
Fig. 1 is a schematic structural view of a conventional bulb turbine rotary blade.
Fig. 2 is a schematic structural diagram of the middle assembling and disassembling tool device of the present invention.
Fig. 3 is a schematic flow chart of the dismounting and mounting of the wash-out cone of the present invention.
Fig. 4 is a schematic flow chart of the piston cylinder cover of the present invention.
In the figure: the rotary wheel body 1, the piston cylinder 2, the water escape cone 3, the piston cylinder cover 4, the tail water pipe section lifting seat 5, the lifting seat 6, the track pulley 7, the guide rail 8, the reinforcing plate 9, the support steel pipe 10 and the chain block 11.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
The embodiment shown in the figures 1 and 2 is a device for horizontally dismounting a water drain cone and a piston cylinder cover in a rotating wheel chamber of a bulb turbine unit, the water drain cone and the piston cylinder cover are positioned in the rotating wheel chamber of a transversely-placed rotating wheel body 1, a piston cylinder 2 is arranged in the rotating wheel chamber, the piston cylinder cover 4 is positioned in the rotating wheel chamber and is connected with the piston cylinder 2 through a bolt, the water drain cone 3 is positioned at the tail end of the rotating wheel chamber and is connected with the rotating wheel chamber through a bolt, the device comprises a support rod piece fixedly arranged in the rotating wheel chamber, the support rod piece is a vertically-arranged support steel pipe 10, and the support steel pipe 10 is fixed with a flow passing surface in a. A tail water pipe section hanging seat 5 is fixedly arranged at the rear end of the runner chamber, a lifting seat 6 is arranged on the tail water pipe hanging seat, and a concrete pouring machine pit is arranged at the tail end of the runner body 1; the unit of runner hub 1 place passes through bolted connection in the pit front side, and tail water pipe section lifting seat 5 passes through concrete placement in the pit, lifts by crane seat 6 and tail water pipe section lifting seat 5 bolted connection. A guide rail 8 is arranged between the support steel pipe 10 and the hoisting base 6, a reinforcing plate 9 is arranged between the guide rail 8 and the support steel pipe 10, the reinforcing plate 9 and the support steel pipe 10 are welded and fixed, and the reinforcing plate 9 and the lower side of the front end of the guide rail 8 are connected through screws and welded and reinforced. The upper side of the rear end of the guide rail 8 is connected to the lower end of the lifting base 6. The guide rail 8 is provided with a track pulley 7 capable of sliding along the guide rail 8, the track pulley 7 comprises a pulley limited in the guide rail 8 and a vehicle body extending out of the lower end of the guide rail 8, the lower end of the vehicle body is provided with a hanging ring, and the track pulley 7 is provided with a hoisting device which is matched with the water escape cone 3 and the piston cylinder cover 4 in assembly connection. The rail trolley 7 is freely movable in the guide rail 8. The hoisting device comprises a chain block 11 which is fixedly hung on the track pulley 7, and the chain block 11 is hung on a hanging ring. The outer side of the drain cone 3 is provided with a lifting hole or a first lifting bolt matched with the chain block 11. In the embodiment, two positions outside the drain cone 3 are matched with structures of a chain block 11, namely a lifting hole and a first lifting ring screw; and a second lifting bolt matched with the chain block 11 is arranged on the piston cylinder cover 4. The number of the chain blocks 11 on the track pulley 7 can be selected and set according to requirements.
The application needs to have enough strength, and the total load can bear at least 2 times of the weight of the drainage cone 3 through finite element calculation. The parts of the device such as the lifting seat 6, the track pulley 7, the guide rail 8, the reinforcing plate 9, the support steel pipe 10 and the like are transferred into the machine pit through the entrance door hole of the runner chamber. After the device is assembled, as shown in fig. 3, two chain blocks 11 are hung in a hook of the track trolley 7, the chain blocks are respectively connected with a lifting hole on a rib plate of the drain cone 3 and a lifting screw of the drain cone 3, the position of the chain block 11 is adjusted to keep the drain cone 3 in a horizontal state, a connecting bolt of the drain cone 3 and the runner body 1 is removed, the drain cone 3 is slowly ejected out of a spigot position, the drain cone 3 is slowly moved to the downstream side through the track trolley 7 and moved to the next position, and then the drain cone 3 is slowly lowered to the ground in the pit by the chain blocks 11. Thereby opening the internal cavity of the rotating wheel and releasing enough space to facilitate the relative maintenance operation of the paddle operating mechanism by operators.
As shown in fig. 4, a hand-pulling block 11 is hung in a hook of the rail tackle 7, a lifting bolt on the piston cylinder cover 4 is connected, a connecting bolt between the piston cylinder cover 4 and the piston cylinder 2 is removed, the piston cylinder cover 4 is slowly ejected out of a spigot position by an ejection screw, the piston cylinder cover 4 is slowly moved to the downstream side through the rail tackle 7, at the moment, the piston cylinder cover 4 is separated from the piston cylinder 2, so that a cavity inside the piston cylinder 2 is opened, and an operator can perform related maintenance operation inside the piston cylinder 2.
After the related maintenance operation is completed, according to an operation method opposite to the operation method for detaching the drain cone 3 and the piston cylinder cover 4, the piston cylinder cover 4 is horizontally moved back and installed in the upstream side direction and is connected with the piston cylinder 2, the connecting bolt between the piston cylinder cover 4 and the piston cylinder 2 is screwed, then the drain cone 3 placed on the ground in the machine pit is hoisted again, the drain cone 3 is horizontally moved back and installed in the upstream side direction and is connected with the runner body 1, the connecting bolt between the drain cone 3 and the runner body 1 is screwed, namely, the dismounting and mounting work of the whole drain cone 3 and the piston cylinder cover 4 is completed, and the maintenance operation of the interior of the paddle operating mechanism and the piston cylinder 2 is completed under the condition that the upper half part of the runner chamber is not dismounted and the runner is not hoisted out of the machine.
By the aid of the method, the drain cone 3 and the piston cylinder cover 4 can be directly detached under the condition that the runner chamber and the engine pit are assembled, so that the internal state of the runner body 1 can be conveniently checked during maintenance, and the maintenance difficulty of the paddle operating mechanism and the piston cylinder 2 is reduced; stable and reliable structure and convenient disassembly and assembly.
It should be noted that the above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the method of the present invention and to implement the method accordingly, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides an indoor horizontal dismouting sluicing awl of bulb turbine unit runner and piston cylinder cap device, is located the runner room of the runner of horizontal runner body, and the piston cylinder cap is located the runner room, and the sluicing awl is located the tail end of runner room, characterized by, the device includes the support member that sets up at the indoor fixed of runner, and the rear end of runner room is fixed and is equipped with the tail water pipe section and hangs the seat, is equipped with on the tail water pipe and lifts by crane the seat, support member and lift by crane and be equipped with the guide rail between the seat, is equipped with on the guide rail and follows the gliding track coaster of guide rail, is equipped with the hoisting apparatus of cooperation sluicing awl.
2. The device of claim 1, wherein the hoisting device comprises a chain block suspended and fixed on a track trolley, and the outer side of the water discharging cone is provided with a lifting hole or a first lifting ring screw matched with the chain block.
3. The apparatus as claimed in claim 2, wherein the piston cylinder cover is provided with a second lifting bolt for engaging with a chain block.
4. The apparatus as claimed in claim 1, wherein the supporting rod is a vertically disposed supporting steel tube, and the supporting steel tube is fixed to the inner flow surface of the straight cone section of the runner chamber by spot welding.
5. The apparatus as claimed in claim 1 or 4, wherein a reinforcing plate is disposed between the guide rail and the support rod, the reinforcing plate is welded to the support rod, and the reinforcing plate is connected to the guide rail by screws and welded thereto.
6. The horizontally-disassembled drain cone and piston cylinder cover device in the rotating wheel chamber of the bulb turbine unit as claimed in claim 1, wherein a concrete-poured machine pit is arranged at the tail end of the rotating wheel body; the unit where the runner hub is located is connected to the front side of the machine pit through bolts, the tail water pipe section hanging seat is poured into the machine pit through concrete, and the lifting seat is connected with the tail water pipe section hanging seat through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020722625.XU CN212642940U (en) | 2020-05-06 | 2020-05-06 | Horizontal dismounting drain cone and piston cylinder cover device in rotating wheel chamber of bulb turbine unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020722625.XU CN212642940U (en) | 2020-05-06 | 2020-05-06 | Horizontal dismounting drain cone and piston cylinder cover device in rotating wheel chamber of bulb turbine unit |
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| Publication Number | Publication Date |
|---|---|
| CN212642940U true CN212642940U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020722625.XU Active CN212642940U (en) | 2020-05-06 | 2020-05-06 | Horizontal dismounting drain cone and piston cylinder cover device in rotating wheel chamber of bulb turbine unit |
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| CN (1) | CN212642940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542353A (en) * | 2021-07-22 | 2022-05-27 | 浙江富春江水电设备有限公司 | High-strength through-flow turbine |
-
2020
- 2020-05-06 CN CN202020722625.XU patent/CN212642940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542353A (en) * | 2021-07-22 | 2022-05-27 | 浙江富春江水电设备有限公司 | High-strength through-flow turbine |
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