CN103437935A - Anti-reversing method of wheel blade feedback rod of movable propeller turbine and device adopted for same - Google Patents
Anti-reversing method of wheel blade feedback rod of movable propeller turbine and device adopted for same Download PDFInfo
- Publication number
- CN103437935A CN103437935A CN2013103699348A CN201310369934A CN103437935A CN 103437935 A CN103437935 A CN 103437935A CN 2013103699348 A CN2013103699348 A CN 2013103699348A CN 201310369934 A CN201310369934 A CN 201310369934A CN 103437935 A CN103437935 A CN 103437935A
- Authority
- CN
- China
- Prior art keywords
- wheel blade
- feedback rod
- blade feedback
- running shaft
- pivoted housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses an anti-reversing method and device of a wheel blade feedback rod of a movable propeller turbine. According to the operation of the method and the device, the wheel blade feedback rod is installed in a rotary shaft of an oil head, the upper end of the wheel blade feedback rod stretches out of the top of the rotary shaft of the oil head and then is connected to a wheel blade feedback device above the rotary shaft of the oil head, the portion, stretching out of the top of the rotary shaft of the oil head, of the wheel blade feedback rod is sleeved with a steel pipe, and a groove-shaped hole is formed in the steel pipe; a hollow base is manufactured, and the inner diameter of the base is larger than the diameter of the wheel blade feedback rod; the grooved steel pipe is welded to the base; then, the steel pipe is fixed to the top of the rotary shaft of the oil head through the base; when all wheel blades are closed, a locating block is welded to the wheel blade feedback rod, and the locating block is made to be located at the bottom of the groove of the steel pipe. Due to the fact that the locating block is arranged on the wheel blade feedback rod, the wheel blade feedback rod can only make axial displacement along the groove-shaped hole in the steel pipe, but can not rotate relative to the rotary shaft of the oil head, and thus the problem of reversing and loosening of the feedback rod is solved.
Description
Technical field
This method relates to the axial-flow Kaplan turbine technology field, specifically a kind of method that the reversion of wheel blade feedback rod in the hydraulic turbine operation process gets loose and device of employing of effectively preventing.
Background technique
The water turbine wheel blade feedback rod in water power plant is arranged in the lubricant receiver running shaft be connected with main shaft, general minute four joints, joint with save between utilize and be threaded, wheel blade feedback rod one end is connected to the wheel blade operation stand, the other end is connected to the wheel blade feedback means that is installed on lubricant receiver running shaft top, during normal working, wheel blade feedback rod and lubricant receiver running shaft are made synchronous rotary, and the wheel blade feedback rod is only done axial displacement with respect to the lubricant receiver running shaft, the axial displacement by the wheel blade feedback rod can reflect the wheel leaf divergence.Due to limit stoper not being set on the wheel blade feedback rod, water turbine, in running, particularly starts or while closing, rotating speed changes and the phenomenon that the reversion of wheel blade feedback rod gets loose just easily occurs.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method that the reversion of wheel blade feedback rod in unit operation gets loose and device of employing of preventing.
The present invention solves the problems of the technologies described above with following technological scheme:
Invention one, axial-flow Kaplan water turbine wheel blade feedback rod reverse turning-proof method of the present invention, its operation is: the wheel blade feedback rod is arranged in the lubricant receiver running shaft, after lubricant receiver running shaft top is stretched out in its upper end and be connected to the wheel blade feedback means that is positioned at lubricant receiver running shaft top, then by following mode of operation, prevent the reversion of wheel blade feedback rod:
1) overlap the counnter attack pivoted housing that has an internal diameter to be greater than the feedback rod diameter on the wheel blade feedback rod that stretches out lubricant receiver running shaft top, the anti-reverse slotted hole that puts out, the length of slotted hole need be greater than the stroke of wheel blade feedback rod;
2) make hollow base, the internal diameter of hollow base is greater than wheel blade feedback rod diameter;
3) the counnter attack pivoted housing that will hold slotted hole successfully is welded on hollow base;
4) again the counnter attack pivoted housing is fixed on to lubricant receiver running shaft top by hollow base;
5) when the wheel blade complete shut-down, welded limiting piece on the wheel blade feedback rod, and make limiting stopper be positioned at the bottom of slotted hole, for limiting the wheel blade feedback rod, reverse.
Invention two, axial-flow Kaplan water turbine wheel blade feedback rod anti-reverse mechanism of the present invention, it mainly by being enclosed within counnter attack pivoted housing on the wheel blade feedback rod, the aerial base that is welded on the limiting stopper on the wheel blade feedback rod and is fixed on lubricant receiver running shaft top forms, anti-reverse putting has the slotted hole that length is greater than wheel blade feedback rod stroke, limiting stopper is arranged in the groove perforate, the bottom of counnter attack pivoted housing is fixedly connected with aerial base, the even feedback rod diameter that is greater than of the internal diameter of counnter attack pivoted housing and aerial base.
The present invention is by above method and device, make in unit running process, the wheel blade feedback rod only can be done axial displacement along the anti-reverse slotted hole put under the effect of limiting stopper, and can not relatively rotate with the lubricant receiver running shaft, has solved the problem that the feedback rod reversion gets loose.
The accompanying drawing explanation
Fig. 1 is the anti-reverse apparatus structure schematic diagram of axial-flow Kaplan water turbine wheel blade feedback rod of the present invention.
In figure: 1-wheel blade feedback rod, 2-limiting stopper, 3-bolt, 4-lubricant receiver running shaft, 5-counnter attack pivoted housing, 6-hollow base, 7-slotted hole.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, wheel blade feedback rod 1 is arranged in lubricant receiver running shaft 4, and its upper end is connected to the wheel blade feedback means (figure does not illustrate, and belongs to prior art) that is arranged in lubricant receiver running shaft 4 tops after stretching out lubricant receiver running shaft 4 tops.Axial-flow Kaplan water turbine wheel blade feedback rod anti-reverse mechanism of the present invention comprises the counnter attack pivoted housing 5 be enclosed within on wheel blade feedback rod 1, the aerial base 6 that is welded on the limiting stopper 2 on wheel blade feedback rod 1 and is fixed on lubricant receiver running shaft 4 tops by bolt 3, have the slotted hole 7 that length is greater than wheel blade feedback rod stroke on counnter attack pivoted housing 5, limiting stopper 2 is positioned at the bottom of groove perforate 7, the bottom of counnter attack pivoted housing 5 and aerial base 6 welding, the even wheel blade feedback rod diameter that is greater than of the internal diameter of counnter attack pivoted housing 5 and aerial base 6.
The specific operation mode of axial-flow Kaplan water turbine wheel blade feedback rod reverse turning-proof method of the present invention is as follows:
1, overlap the counnter attack pivoted housing 5 that an internal diameter is greater than the feedback rod diameter on the wheel blade feedback rod that stretches out lubricant receiver running shaft top, open slotted hole 7 on counnter attack pivoted housing 5, the length of slotted hole 7 need be greater than the stroke of wheel blade feedback rod 1;
2, make hollow base 6, the internal diameter of hollow base 6 is greater than wheel blade feedback rod diameter;
3, the counnter attack pivoted housing 5 that will hold slotted hole 7 successfully is welded on hollow base 6;
4, the counnter attack pivoted housing 5 welded is fixed on to lubricant receiver running shaft 4 tops by hollow base 6, hollow base 6 is fastenedly connected by bolt 3 and lubricant receiver running shaft 4;
5, when the wheel blade complete shut-down, welded limiting piece 2 on the wheel blade feedback rod 1 of the slotted hole 7 bottom correspondences of counnter attack pivoted housing 5, the width of limiting stopper 2 is less than the width of the slotted hole 7 on counnter attack pivoted housing 5, and its thickness is minimum should be concordant with counnter attack pivoted housing 5 outer walls.Limiting stopper reverses for limiting the wheel blade feedback rod.
Unit is in running, and wheel blade feedback rod and lubricant receiver running shaft are made synchronous rotary.Because the limiting stopper on the wheel blade feedback rod is limited by slotted hole, at startup of unit or while closing, rotating speed changes and also not there will be the reversion of wheel blade feedback rod to get loose.The wheel blade feedback rod only can be done axial displacement along the anti-reverse slotted hole put under the effect of limiting stopper, and can not relatively rotate with lubricant receiver running shaft and main shaft, has solved the problem that the feedback rod reversion gets loose.
Claims (2)
1. axial-flow Kaplan water turbine wheel blade feedback rod reverse turning-proof method, its operation is: the wheel blade feedback rod is arranged in the lubricant receiver running shaft, after lubricant receiver running shaft top is stretched out in its upper end and be connected to the wheel blade feedback means that is positioned at lubricant receiver running shaft top, it is characterized in that, by following mode of operation, prevent the reversion of wheel blade feedback rod:
1) overlap the counnter attack pivoted housing that has an internal diameter to be greater than the feedback rod diameter on the wheel blade feedback rod that stretches out lubricant receiver running shaft top, the anti-reverse slotted hole that puts out, the length of slotted hole need be greater than the stroke of wheel blade feedback rod;
2) make hollow base, the internal diameter of hollow base is greater than wheel blade feedback rod diameter;
3) the counnter attack pivoted housing that will hold slotted hole successfully is welded on hollow base;
4) again the counnter attack pivoted housing is fixed on to lubricant receiver running shaft top by hollow base;
5) when the wheel blade complete shut-down, welded limiting piece on the wheel blade feedback rod, and make limiting stopper be positioned at the bottom of slotted hole, for limiting the wheel blade feedback rod, reverse.
2. axial-flow Kaplan water turbine wheel blade feedback rod anti-reverse mechanism, it is characterized in that: it mainly by being enclosed within counnter attack pivoted housing on the wheel blade feedback rod, the aerial base that is welded on the limiting stopper on the wheel blade feedback rod and is fixed on lubricant receiver running shaft top forms, anti-reverse putting has the slotted hole that length is greater than wheel blade feedback rod stroke, limiting stopper is arranged in the groove perforate, the bottom of counnter attack pivoted housing is fixedly connected with aerial base, the even feedback rod diameter that is greater than of the internal diameter of counnter attack pivoted housing and aerial base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103699348A CN103437935A (en) | 2013-08-22 | 2013-08-22 | Anti-reversing method of wheel blade feedback rod of movable propeller turbine and device adopted for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103699348A CN103437935A (en) | 2013-08-22 | 2013-08-22 | Anti-reversing method of wheel blade feedback rod of movable propeller turbine and device adopted for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103437935A true CN103437935A (en) | 2013-12-11 |
Family
ID=49691637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103699348A Pending CN103437935A (en) | 2013-08-22 | 2013-08-22 | Anti-reversing method of wheel blade feedback rod of movable propeller turbine and device adopted for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103437935A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711634A (en) * | 2013-12-29 | 2014-04-09 | 国家电网公司 | Magnetic ring stroke sensing type water turbine blade stroke feedback device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201843721U (en) * | 2010-11-18 | 2011-05-25 | 福建南电股份有限公司 | Axial-flow hydroturbine stopping vane adjusting device |
| CN201972832U (en) * | 2011-01-26 | 2011-09-14 | 福建南电股份有限公司 | Combined operation structure for axial flow type water turbine |
| CN202250554U (en) * | 2011-09-29 | 2012-05-30 | 重庆立崧电机设备有限公司 | Impact type water turbine spray needle pressureless feedback device |
| CN202789667U (en) * | 2012-06-19 | 2013-03-13 | 江苏航天水力设备有限公司 | Oil-supply head of horizontal type water pump and water turbine |
| CN203452966U (en) * | 2013-08-22 | 2014-02-26 | 广西平班水电开发有限公司 | Anti-reversion device of vane feedback rod of Kaplan turbine |
-
2013
- 2013-08-22 CN CN2013103699348A patent/CN103437935A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201843721U (en) * | 2010-11-18 | 2011-05-25 | 福建南电股份有限公司 | Axial-flow hydroturbine stopping vane adjusting device |
| CN201972832U (en) * | 2011-01-26 | 2011-09-14 | 福建南电股份有限公司 | Combined operation structure for axial flow type water turbine |
| CN202250554U (en) * | 2011-09-29 | 2012-05-30 | 重庆立崧电机设备有限公司 | Impact type water turbine spray needle pressureless feedback device |
| CN202789667U (en) * | 2012-06-19 | 2013-03-13 | 江苏航天水力设备有限公司 | Oil-supply head of horizontal type water pump and water turbine |
| CN203452966U (en) * | 2013-08-22 | 2014-02-26 | 广西平班水电开发有限公司 | Anti-reversion device of vane feedback rod of Kaplan turbine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711634A (en) * | 2013-12-29 | 2014-04-09 | 国家电网公司 | Magnetic ring stroke sensing type water turbine blade stroke feedback device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205394744U (en) | Machine is got rid of to festival in bamboo | |
| CN202418992U (en) | Hydraulic rotary joint of collapsible cylinder of steel band coiler | |
| CN208696350U (en) | A kind of perforating device of hydraulic engineering pipeline | |
| WO2013167286A3 (en) | Kaplan turbine having adjustable blades | |
| CN105201730A (en) | Automatic variable-pitch mechanism of vertical-axis water flow generator | |
| CN203452966U (en) | Anti-reversion device of vane feedback rod of Kaplan turbine | |
| CN103437935A (en) | Anti-reversing method of wheel blade feedback rod of movable propeller turbine and device adopted for same | |
| CN203292581U (en) | Chipless cutter | |
| CN204226024U (en) | A kind of gas turbine inlet guide vanes driving mechanism | |
| CN204553054U (en) | Vertical axial-flow Kaplan turbine runner adjusts paddle operation equipment without oil | |
| CN103644274A (en) | Rocking mechanism | |
| CN106240782B (en) | A kind of scalable rudder blade | |
| CN205765653U (en) | A kind of pushing formula directly drives super high pressure fluid dynamical system | |
| CN203656097U (en) | Rocking mechanism | |
| CN204195876U (en) | Based on the rapid drilling device of pressure foot | |
| CN203604599U (en) | Cooling device for heavy-load high-speed spindle | |
| CN203640912U (en) | Bulb tubular unit rotary wheel oil-free paddle adjusting type operating device | |
| CN203817515U (en) | Large-caliber pipe cutting device | |
| CN204686183U (en) | OCTG cutting mechanism | |
| CN204234841U (en) | A kind of connecting rod tongue and groove milling machine | |
| CN203254346U (en) | Nut structure capable of being quickly detached | |
| CN206614099U (en) | A kind of high automatic lathe accessory of precision | |
| CN202883217U (en) | Lamp bulb through-flow unit operating oil tube multiple-support-point structure | |
| CN204148672U (en) | A kind of braked wheel efficient drilling attacks device | |
| CN205135884U (en) | Automation of vertical axis rivers generator becomes oar mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |