CN203548546U - Jumping-prevention connecting rod pin for water turbine - Google Patents
Jumping-prevention connecting rod pin for water turbine Download PDFInfo
- Publication number
- CN203548546U CN203548546U CN201320676676.3U CN201320676676U CN203548546U CN 203548546 U CN203548546 U CN 203548546U CN 201320676676 U CN201320676676 U CN 201320676676U CN 203548546 U CN203548546 U CN 203548546U
- Authority
- CN
- China
- Prior art keywords
- link pin
- connecting rod
- rod pin
- water turbine
- pin body
- 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.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000002344 surface layer Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 2
- 230000009191 jumping Effects 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
Landscapes
- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a jumping-prevention connecting rod pin for a water turbine. The jumping-prevention connecting rod pin comprises a connecting rod pin body, wherein the connecting rod pin body is connected with a double-connection arm and a control ring of a transmission device of a water guiding mechanism of the water turbine; the lower end of the connecting rod pin body is provided with an end cover which has the diameter being larger than that of the connecting rod pin body and a positioning function. The jumping-prevention connecting rod pin disclosed by the utility model has the advantages of simple structure, prevention of upward jumping of a shearing pin, low cost and prevention of the out-of-control condition of a unit and the like and is suitable for improving an existing jumping-prevention connecting rod pin for the water turbine.
Description
Technical field
The utility model relates to a kind of water turbine Anti-moving link pin.
Background technique
The water distributor transmission device of at present conventional water turbine generally comprises control ring, duplex arm, pivoted arm, link pin etc., wherein one end of pivoted arm is fixed on the guide vane teunnion of water distributor, one end of duplex arm is connected with the other end of pivoted arm by break pin, the other end of duplex arm is connected with control ring by link pin, described water distributor: the current that make to enter before runner form rotation, and can change the incident angle of current, when generator load changes, with it carry out adjust flux, during normal and accidental shutdown, with it block current, described duplex arm also also claims connecting rod, it is the transmission part for connecting control ring and pivoted arm, can change by the length of adjusting it rotation angle of stator, break pin is one of water turbine four large protection mechanisms, signal generator is equipped with in break pin inside, when stator blocks when motionless for some reason, first break pin is cut off and is protected other transmission part, guarantee unit safety stable operation, what described duplex arm generally adopted is ear handle drive mechanism, when but the connecting plate of pivoted arm is connected with the duplex arm of ear handle drive mechanism, because making break pin and link pin, the existence of ear handle structure is subject to the effect of additional bending moment, and because break pin and link pin in the vertical direction are not subject to any constraint, in gate linkage course of action, the impact of the factors such as the moving and connecting rod own level deviation of controlled Huantiao, often there is violent swashing in link pin and break pin, its amount of swashing generally can reach 10mm～20mm, and the degree of swashing and swashing directly affecting break pin of link pin, and break pin acutely swashes and has directly caused following three aspects: adverse effect: 1, axle sleeve lifting surface area is reduced and unbalance stress, cause axle sleeve heavy wear, even there is local extrusion-deformation (the axle sleeve replacement cycle shortens), 2, make break pin be subject to the effect of huge additional bending moment, cause maximum stress on its disrumpent feelings cross section to reach the ultimate strength of material itself, the moment that finally causes break pin acutely to swash at duplex arm ruptures (at power station operation initial stage, the quantity of the improper fracture of every machine break pin is 10 left and right), if 3 break pins are scurried out completely, will inevitably cause stator out of control, serious words also can cause adjacent two stator break pins to cut off, or cause that unit is out of control.
Model utility content
The purpose of this utility model be for the deficiencies in the prior art provide a kind of simple in structure, prevent from altering on break pin, with low cost, prevent unit water turbine out of control Anti-moving link pin.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of water turbine Anti-moving link pin, comprise link pin body, described link pin body connects duplex arm and the control ring of turbine gate mechanism transmission device, diameter is installed on the lower end of described link pin body and is greater than the end cap that link pin body diameter plays the role of positioning.
Described link pin body is arranged on described duplex arm by nylon sleeve.
The surface layer of described link pin body is provided with stainless steel lining.
The surface layer of described link pin body is provided with oxidation film layer.
Adopt said structure, the utlity model has following advantage:
1, the link pin that the utility model is connected with control ring by improving duplex arm, by the end cap installed below link pin and fix with screw rod, prevents from altering on link pin, thereby indirectly reduces the degree of altering on break pin, thereby prevent cutting off of break pin;
2, in addition by stainless steel lining being set at link pin surface layer, so both increased the strength character of link pin, can prevent from causing because of humid environment again the generation of body corrosion, reduce the frictional force that axle sleeve and link pin relative motion produce, thereby indirectly reduce the frequency that break pin is cut off;
3, link pin is arranged on described duplex arm by nylon sleeve, thereby after link pin is arranged on duplex arm, mechanical strength is high, have that mechanical strength is high, bearing capacity is large, wear resistance is good, anti-aging, long service life, the advantages such as antithesis of not hindering.
Accompanying drawing explanation
Fig. 1 is that the utility model is arranged on the structural representation on turbine gate mechanism transmission device;
Fig. 2 (a) is structural representation of the present utility model;
Fig. 2 (b) is the sectional view of Fig. 2 (a);
Fig. 3 is the structural representation that the utility model is connected with duplex arm and control ring.
Embodiment
Below in conjunction with accompanying drawing, further describe the embodiment of this patent.
As Fig. 2 (a), shown in Fig. 2 (b) and Fig. 3, a kind of water turbine Anti-moving link pin, comprise link pin body 5, described link pin body 5 connects the duplex arm 4 and control ring 6 of turbine gate mechanism transmission device, diameter is installed on the lower end of described link pin body 5 and is greater than the end cap 51 that link pin body 5 diameters play the role of positioning, as shown in Figure 1, described turbine gate mechanism transmission device comprises control ring 6, duplex arm 4, pivoted arm 2, link pin body 5 and break pin 3, one end of pivoted arm 2 is fixed on the guide vane teunnion of water distributor, one end of described duplex arm 4 is connected with pivoted arm 2 by break pin 3, the other end is connected with control ring 6 by link pin body 5, described link pin body 5 is arranged on described duplex arm 4 by nylon sleeve, the surface layer of described link pin body 5 is provided with stainless steel lining 52 or oxidation film layer.
Claims (4)
1. a water turbine Anti-moving link pin, comprise link pin body, described link pin body connects duplex arm and the control ring of turbine gate mechanism transmission device, it is characterized in that: diameter is installed on the lower end of described link pin body and is greater than the end cap that link pin body diameter plays the role of positioning.
2. water turbine according to claim 1 Anti-moving link pin, is characterized in that: described link pin body is arranged on described duplex arm by nylon sleeve.
3. water turbine according to claim 1 and 2 Anti-moving link pin, is characterized in that: the surface layer of described link pin body is provided with stainless steel lining.
4. water turbine according to claim 1 and 2 Anti-moving link pin, is characterized in that: the surface layer of described link pin body is provided with oxidation film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676676.3U CN203548546U (en) | 2013-10-30 | 2013-10-30 | Jumping-prevention connecting rod pin for water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676676.3U CN203548546U (en) | 2013-10-30 | 2013-10-30 | Jumping-prevention connecting rod pin for water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548546U true CN203548546U (en) | 2014-04-16 |
Family
ID=50466669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320676676.3U Expired - Lifetime CN203548546U (en) | 2013-10-30 | 2013-10-30 | Jumping-prevention connecting rod pin for water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548546U (en) |
-
2013
- 2013-10-30 CN CN201320676676.3U patent/CN203548546U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203548042U (en) | Transmission device of water guiding mechanism of water turbine | |
| CN203548041U (en) | Anti-play shear pin for water turbine | |
| CN203548546U (en) | Jumping-prevention connecting rod pin for water turbine | |
| CN201636092U (en) | Hydraulic braking system of megawatt fan | |
| CN201999645U (en) | Steel wire rope unbalance alarm device of crane | |
| CN102032121B (en) | Hydraulic braking system for megawatt fan | |
| CN201874748U (en) | Centrifugal speed-regulating pitch variable mechanism of wind driven generator | |
| CN207525715U (en) | A kind of screw open-close machine crosses limiting and protecting device | |
| CN201461201U (en) | Control ring lug connection structure of water turbine | |
| CN202520468U (en) | Air supply device for top cover of water turbine | |
| CN201874740U (en) | Transmission mechanism of water guide part sleeve of water turbine | |
| CN201538651U (en) | Torque removal device for wire rope in particular to shaft single-rope | |
| CN201884770U (en) | Fixed hydraulic actuator of quick shutoff valve | |
| CN201836436U (en) | Heavy-hammer spherical valve | |
| CN201598618U (en) | Improved transmission-type headstock gear for ball screw | |
| CN201474830U (en) | Split type break pin mechanism | |
| CN201584174U (en) | Passive switch for a pool type reacting pile core and water pool | |
| CN202883217U (en) | Lamp bulb through-flow unit operating oil tube multiple-support-point structure | |
| CN101984252A (en) | Transmission mechanism of hydroturbine water guide part sleeve | |
| CN201461197U (en) | Guide vane transmission mechanism of hydroelectric station machine set | |
| CN205303234U (en) | Fuse dropout interlocking device | |
| CN211667164U (en) | Flexible connection feedback device suitable for hydraulic control butterfly valve | |
| CN207064615U (en) | A kind of high speed axle assembly of reductor | |
| CN103480662A (en) | Guide wheel bearing sealing structure in liquid | |
| CN202131980U (en) | Roller bit with check valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |