CN215761125U - Hydraulic opening and closing device for volute entrance door of large hydroelectric generating set - Google Patents
Hydraulic opening and closing device for volute entrance door of large hydroelectric generating set Download PDFInfo
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- CN215761125U CN215761125U CN202121287247.8U CN202121287247U CN215761125U CN 215761125 U CN215761125 U CN 215761125U CN 202121287247 U CN202121287247 U CN 202121287247U CN 215761125 U CN215761125 U CN 215761125U
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- volute
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- hydraulic cylinder
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- spiral case
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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 provides a hydraulic opening and closing device for a volute entrance door of a large-scale water turbine generator set, which comprises a supporting seat connected with a volute door seat, wherein a hydraulic cylinder is connected with the supporting seat, a base is connected with the volute door hinge through a bolt, the volute door hinge rotates around a hinge pin, the end part of a piston rod of the hydraulic cylinder is hinged with a connecting rod, and the other end of the connecting rod is hinged with the base. The device can realize opening and closing of the volute door, and is simple to operate, efficient and safe.
Description
Technical Field
The utility model belongs to the field of maintenance equipment of a water turbine generator set, and particularly relates to a hydraulic opening and closing device for a volute entrance door of a large water turbine generator set.
Background
In the maintenance process of a large-scale water turbine generator set, a volute entrance door is required to be opened and closed usually, and the volute entrance door is opened and closed mainly in a manual mode at present. However, this method has the following drawbacks:
1. the volute entrance door is heavy in weight, large in operating torque and narrow in space of an operation site, and complete opening and closing processes cannot be realized by tools such as a chain block;
2. when the volute entrance door is opened, no anti-falling safety measures exist in the volute, and a certain safety risk exists in a manual mode.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a hydraulic opening and closing device for a volute entry door of a large-scale hydroelectric generating set, which realizes the opening and closing of the volute door and has the advantages of simple operation, high efficiency and safety.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a large-scale hydroelectric set spiral case entry door hydraulic pressure headstock gear, includes the supporting seat of being connected with spiral case gate seat, and the pneumatic cylinder is connected with the supporting seat, and the base passes through bolt and spiral case door hinge connection, and spiral case door hinge rotates around the hinge pin, and the piston rod tip of pneumatic cylinder is articulated with the connecting rod, and the other end and the base of connecting rod are articulated.
In the preferred scheme, the hydraulic cylinder is provided with two groups of quick connectors, the quick connectors are respectively arranged above and below a piston of the hydraulic cylinder, and the quick connectors are connected with a manual hydraulic oil pump through oil pipes.
In a preferable scheme, a sealing strip is arranged between an end cover of the hydraulic cylinder and the piston rod.
According to the hydraulic opening and closing device for the volute entrance door of the large-scale water turbine generator set, the piston rod of the hydraulic cylinder moves up and down, and the connecting rod drives the volute door hinge to rotate, so that the purpose of closing or opening the volute entrance door is achieved. The device is simple in operation, efficient, safe, simple in structure, small in machine body and fast in installation.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic diagram of the operation of the present invention;
in the figure: the volute door comprises a volute door seat 1, a supporting seat 2, a hydraulic cylinder 3, a base 4, a volute door hinge 5, a hinge pin 6, a connecting rod 7, a quick joint 8, an oil pipe 9, a manual hydraulic oil pump 10, a sealing strip 11, a piston rod 301 and a piston 302.
Detailed Description
As shown in fig. 1 and 3, the hydraulic opening and closing device for the volute entrance door of the large-scale water turbine generator set comprises a supporting seat 2 connected with a volute door seat 1, the supporting seat 2 is connected with the volute door seat 1 through a bolt and is convenient to detach, a hydraulic cylinder 3 is connected with the supporting seat 2, a base 4 is connected with a volute door hinge 5 through a bolt, specifically, the bolt is matched and connected with a kidney-shaped hole in the volute door hinge 5, the volute door hinge 5 rotates around a hinge pin 6, the end part of a piston rod 301 of the hydraulic cylinder 3 is hinged to a connecting rod 7, and the other end of the connecting rod 7 is hinged to the base 4.
The up-and-down movement of the piston rod 301 of the hydraulic cylinder 3 drives the volute door hinge 5 to rotate through the connecting rod 7, so that the purpose of closing or opening the volute entrance door is achieved.
The device is simple to operate, and is efficient and safe.
Preferably, the hydraulic cylinder 3 is provided with two sets of quick connectors 8, the quick connectors 8 are respectively arranged above and below the piston 302 of the hydraulic cylinder 3, and the quick connectors 8 are connected with the manual hydraulic oil pump 10 through an oil pipe 9.
The hydraulic cylinder 3 is provided with hydraulic oil through the manual hydraulic oil pump 10, and the full opening and closing purpose of the volute door with large weight can be easily realized through a hydraulic amplification principle, so that the volute door is safe and efficient. Through setting up quick-operation joint 8, make things convenient for the exchange of being connected of pneumatic cylinder 3 and two oil pipe 9, make things convenient for the switching of spiral case entrance door closing or opening operation.
When the volute entrance door is closed, for example, when a manual rocker of the manual hydraulic oil pump 10 is lifted upwards, hydraulic oil in an oil cylinder of the manual hydraulic oil pump 10 is sucked into the manual hydraulic oil pump 10 through the one-way valve, the manual rocker is pressed down forcibly, the hydraulic oil in the manual hydraulic oil pump 10 works through the manual hydraulic oil pump 10, the pressure is increased, the hydraulic oil flows into the hydraulic cylinder 3 through the one-way valve, the piston 302 is pushed to move, and the piston 302 drives the volute door hinge 5 to rotate through the connecting rod 7, so that the purpose of closing the volute entrance door is achieved. When the volute door is opened, the connecting positions of the two oil pipes 9 and the hydraulic cylinder 3 are switched, so that the opening function of the volute door can be realized.
Preferably, a sealing strip 11 is arranged between the end cover of the hydraulic cylinder 3 and the piston rod 301.
Further, a sealing strip 11 is also arranged between the end cover of the hydraulic cylinder 3 and the shell of the hydraulic cylinder 3.
The pressure oil in the hydraulic cylinder is prevented from leaking by the provision of the seal strip 11.
The device has simple structure, small body and quick installation; the device is simple to operate, can easily realize the purpose of fully opening and closing the volute door with large weight by a hydraulic amplification principle, and is safe and efficient; the device is easy to manufacture and process, and has strong practicability and popularization.
Claims (3)
1. The utility model provides a large-scale hydroelectric set spiral case entry door hydraulic pressure headstock gear which characterized in that: the spiral case door hinge structure comprises a supporting seat (2) connected with a spiral case door seat (1), a hydraulic cylinder (3) is connected with the supporting seat (2), a base (4) is connected with a spiral case door hinge (5) through a bolt, the spiral case door hinge (5) rotates around a hinge pin (6), the end part of a piston rod (301) of the hydraulic cylinder (3) is hinged to a connecting rod (7), and the other end of the connecting rod (7) is hinged to the base (4).
2. The hydraulic opening and closing device for the volute manway door of the large-scale water-turbine generator set according to claim 1, is characterized in that: the hydraulic cylinder (3) is provided with two groups of quick connectors (8), the quick connectors (8) are respectively arranged above and below a piston (302) of the hydraulic cylinder (3), and the quick connectors (8) are connected with a manual hydraulic oil pump (10) through oil pipes (9).
3. The hydraulic opening and closing device for the volute manway door of the large-scale water-turbine generator set according to claim 1, is characterized in that: and a sealing strip (11) is arranged between the end cover of the hydraulic cylinder (3) and the piston rod (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121287247.8U CN215761125U (en) | 2021-06-09 | 2021-06-09 | Hydraulic opening and closing device for volute entrance door of large hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121287247.8U CN215761125U (en) | 2021-06-09 | 2021-06-09 | Hydraulic opening and closing device for volute entrance door of large hydroelectric generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215761125U true CN215761125U (en) | 2022-02-08 |
Family
ID=80101021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121287247.8U Active CN215761125U (en) | 2021-06-09 | 2021-06-09 | Hydraulic opening and closing device for volute entrance door of large hydroelectric generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215761125U (en) |
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2021
- 2021-06-09 CN CN202121287247.8U patent/CN215761125U/en active Active
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