CN2859705Y - Water elasticity analog model of hydraulic lock gate - Google Patents
Water elasticity analog model of hydraulic lock gate Download PDFInfo
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- CN2859705Y CN2859705Y CN 200520098570 CN200520098570U CN2859705Y CN 2859705 Y CN2859705 Y CN 2859705Y CN 200520098570 CN200520098570 CN 200520098570 CN 200520098570 U CN200520098570 U CN 200520098570U CN 2859705 Y CN2859705 Y CN 2859705Y
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- main longitudinal
- door leaf
- gate
- longitudinal grider
- longitudinal beams
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Abstract
The utility model provides a water elasticity analog model of hydraulic lock gate comprising a gate page structure, V-frameworks and bolts, inwhich the gate page structure is positive arc sectional tile shape, the gate page includes a positive arc external door page plate and a plurality of main longitudinal beams which are set inside the surface of the external door page in parallel with one beam or a pair beams in the middle, two groups main longitudinal beams are arranged symmetricly on both sides, a plurality of diaphragm plates are set between the main longitudinal beams, crossbeams are set on both ends of the main longitudinal beams to form the beam grillage struture, an internal door page plates is set on the beam grillage structure, the internal door page palte and the main longitudinal beams compose the pi type main longitudinal beams, the same two V-frameworks are fixed on the two pi type main longitudinal beams along the arc direction side by side, the top angle site of the V-frameworks are the bolts, a lifing lug is set on the topside of the gate page sturcture. The length of the V-framework is the radius of the arc of the positive arc gate page, the bolt axis hole is set in the centre of the arc.
Description
Technical field
The utility model relates to a kind of hydraulic gate water elasticity scale model, belongs to hydro-structure flow induced vibration modelling technique scope, specifically forecasts the vibrating state of original shape and the model of vibrations harm.
Background technology
Hydraulic gate has and uses widely in the waterpower hydroelectric project.It is flood discharge, generating, and shipping, the controlled hydro-structure part in the engineerings such as water supply, being in operation is subjected to the fluctuating pressure effect often to produce vibration.This vibration is called water elastic vibration, is the flexible coupled vibrations of hydrodynamic force and gate structure, can influence its safe operation during serious vibration, even causes the engineering accident.Therefore, the flow induced vibration problem of engineering bound pair gate is attached great importance to always, carries out extensive studies.Before the sixties in 20th century, the flow induced vibration of research gate all adopts rigidity gate model, mainly from the research of hydrodynamic property aspect.After the sixties, begin to adopt elasticity gate model in the world, make abnormal gate model investigation flow induced gate vibration with PVC material or organic glass, it is similar promptly to make model approximation satisfy elasticity phase Sihe quality by increase thickness of slab and stickup additional mass on model.The nineties in 20th century, we develop the water outlet resilient material, the elastic modulus of this material be the gate steel how much guide branches one, unit weight is identical with steel.
Summary of the invention
The purpose of this utility model just provides the hydraulic gate water elasticity scale model that a kind of water resilient material is made.Model is satisfying under the similar prerequisite of elasticity phase Sihe mass distribution fully, general character to various hydraulic gates is carried out abstract, design typical structure with versatility, for individual example, only do the change of dimension scale, just can reliably forecast the water elastic vibration characteristics of hydraulic gate, comprise sound stress, vibration frequency, vibration acceleration etc., and obtain prototype verification.
The technical solution of the utility model: hydraulic gate water elasticity scale model of the present utility model, comprise door leaf structure, V-shape support arm, a hinge, the door leaf structure is watt shape body of positive circular cross-section, the door leaf structure comprises the outer door leaf plate of positive circular arc, have on the door leaf plate medial surface along many main longitudinal griders of cambered surface direction outside and be arranged in parallel, main longitudinal grider divides two groups of symmetric offset spread inboard both sides of door leaf plate outside, is the butt joint longeron in the middle of two groups of main longitudinal griders; Between the main longitudinal grider, main longitudinal grider has many horizontal rows dividing plate with docking between the longeron, and there is crossbeam at main longitudinal grider and butt joint longeron two ends, constitute gridiron; The fixedly vertically interior door leaf plate of support arm is arranged on two groups of main longitudinal griders, constitute ∏ type main bearing beam with main longitudinal grider; Two same V font support arms are fixed on these two ∏ type main bearing beams side by side along the circular arc direction, and the angle position of V-shape support arm is a hinge, and door leaf structure upside has hanger.
Described kind of hydraulic gate water elasticity scale model, V-shape arm length are that the radius of the outer door leaf circular arc of positive circular arc deducts the door leaf thickness of structure, and a hinge axis hole is positioned at the center of circle.
Described kind of hydraulic gate water elasticity scale model also is fixed with laterally interior door leaf plate on the beam lattice between main longitudinal grider and the butt joint longeron.
Described kind of hydraulic gate water elasticity scale model, there has been the stringer of local booster action the main longitudinal grider both sides on the door leaf plate medial surface outside.
Described kind of hydraulic gate water elasticity scale model has I-beam to connect between V font support arm two arms.
Described kind of hydraulic gate water elasticity scale model has web joint between two V font support arms.
Advantage of the present utility model: carry out the kinematic behavior test by making Three Gorges Dam water conservancy diversion bottom outlet 1/20 full water elasticity gate model, on hydraulic model, carry out flow induced vibration and test by identical how much guides of gravity similarity principle design.At engineering site the prototype gate is adopted experimental modal analysis in addition, verified the similarity of model and prototype; To the prototype gate with the very close service condition of model under vibrate observation, the prototype measurement achievement of gate vibration acceleration and the achievement of model prediction are quite approaching; The gate support arm dynamic stress and the prototype measured value of model prediction are all smaller, belong to same magnitude.
Description of drawings
Fig. 1 is a general structure synoptic diagram of the present utility model;
Fig. 2 is along a support arm longitudinal sectional view;
Fig. 3 is the side arm longitudinal sectional view along two support arms;
Fig. 4, Fig. 5 are the door leaf structural representations.
Embodiment
Below in conjunction with accompanying drawing hydraulic gate water elasticity scale model structure of the present utility model is further specified:
Refer to the door leaf structure by Fig. 1: 1 among the figure, 2 are V-shape support arm, the 3rd, and a hinge, 4 is a hanger.
By Fig. 2, shown in Figure 3: door leaf structure 1 comprises: the outer door leaf plate 1-1 of positive circular arc, have on the door leaf plate medial surface outside along many main longitudinal grider 1-2 of cambered surface direction to be arranged in parallel, vertically in door leaf plate 1-6 and main longitudinal grider 1-2 formation ∏ type main bearing beam; Two same V font support arms 2 are fixed on these two ∏ type main bearing beams side by side along the circular arc direction, are butt joint longeron 1-3 in the middle of two groups of main longitudinal griders, and the angle position of V-shape support arm 2 is hinges 3.Between the main longitudinal grider, main longitudinal grider has many horizontal rows dividing plate 1-4 with docking between the longeron, 1-5 is that two ends have crossbeam.Door leaf plate 1-7 in being fixed with laterally on the beam lattice between main longitudinal grider and the butt joint longeron.Main longitudinal grider 1-2 both sides have stringer 1-8 to play local booster action on the door leaf plate 1-1 medial surface outside, when the door leaf broad, add one group of stringer 1-8 in the middle of two groups of main longitudinal griders; 1-9,1-10 be door leaf both sides stringer 1-8 with main longitudinal grider 1-2 between be connected floor; There is I-beam 2-1 to be rigidly connected between V font support arm two arms, web joint 2-2 arranged between two V font support arms as checking usefulness, but qualitative measurement two support arm stresses; When two support arms at synchronization toward reverse direction when very big displacement is arranged, web joint 2-2 is drawn back, and will point out original shape to reinforce between two V font support arms.V-shape support arm 2 length are that the radius of the circular arc of positive circular arc door leaf 1 deducts the door leaf thickness of structure, and the axis hole of a hinge 3 is positioned at the center of circle.
Fig. 4, Fig. 5 are the door leaf structural representations: the door leaf structure is watt shape body of positive circular cross-section, the door leaf structure comprises the outer door leaf plate 1-1 of positive circular arc, have on the door leaf plate medial surface outside along many main longitudinal grider 1-2 of cambered surface direction and be arranged in parallel, main longitudinal grider divides two groups of symmetric offset spread door leaf plate medial surface both sides outside, is butt joint longeron 1-3 in the middle of two groups of main longitudinal griders; Between the main longitudinal grider, main longitudinal grider has many horizontal rows dividing plate 1-4 with docking between the longeron, there is crossbeam 1-5 at main longitudinal grider and butt joint longeron two ends, constitute gridiron; The fixedly vertically interior door leaf plate 1-6 of support arm is arranged on two groups of main longitudinal griders; 1-7 is the laterally interior door leaf plate on the beam lattice between main longitudinal grider and the butt joint longeron; 1-8 is a stringer; 1-9,1-10 be door leaf both sides stringer 1-8 with main longitudinal grider 1-2 between be connected floor.The 4th, hanger.
Be that to prop up the hinge center be that radius is done circular motion to door leaf in the center of circle with a hinge during gate opening/closing.The suffered bourn acting force of door leaf structure all is delivered to support arm by the door leaf primary structure, and the door leaf structure comprises that the suffered power of supporting arm system all is to be delivered to a centripetal force of hinge part by support arm.
It is abstract that the utility model is that the typical cases such as gates of segmental shape to power stations such as Three Gorges deep hole gates of segmental shape, the anti-arc door of Three Gorges Ship Lock water inlet and water cloth a strip of land between hills, silk screen, lion level ground, Long Tan carry out, find out mechanical property preferably the general character of full water elastic model design.Need the key position of forecast vibration parameters that corresponding physical sensors can be installed, can write down original physical signalling by secondary instrument, DASP software.
Claims (6)
1. hydraulic gate water elasticity scale model, comprise door leaf structure, V-shape support arm, a hinge, it is characterized in that: the door leaf structure is watt shape body of positive circular cross-section, the door leaf structure comprises the outer door leaf plate of positive circular arc, have along the main longitudinal grider of cambered surface direction on the door leaf plate medial surface outside and be arranged in parallel, main longitudinal grider divides two groups of symmetric offset spread inboard both sides of door leaf plate outside, is the butt joint longeron in the middle of two groups of main longitudinal griders; Between the main longitudinal grider, main longitudinal grider has many horizontal rows dividing plate with docking between the longeron, and there is crossbeam at main longitudinal grider and butt joint longeron two ends, constitute gridiron; The fixedly vertically interior door leaf plate of support arm is arranged on two groups of main longitudinal griders, constitute ∏ type main bearing beam with main longitudinal grider; Two same V font support arms are fixed on these two ∏ type main bearing beams side by side along the circular arc direction, and the angle position of V-shape support arm is a hinge, and door leaf structure upside has hanger.
2. according to claim a kind of hydraulic gate water elasticity scale model is characterized in that: the V-shape arm length is that the radius of the outer door leaf circular arc of positive circular arc deducts the door leaf thickness of structure, and a hinge axis hole is positioned at the center of circle.
3. according to claim 1 and 2 kind of hydraulic gate water elasticity scale model is characterized in that: door leaf plate in also being fixed with on the beam lattice laterally between main longitudinal grider and the butt joint longeron, and dock longeron formation T type beam.
4. according to claim 1 and 2 kind of hydraulic gate water elasticity scale model is characterized in that: there has been the stringer of local booster action the main longitudinal grider both sides on the door leaf plate medial surface outside.
5. according to claim 1 and 2 kind of hydraulic gate water elasticity scale model is characterized in that: have I-beam to connect between V font support arm two arms.
6. according to claim 1 and 2 kind of hydraulic gate water elasticity scale model is characterized in that: between two V font support arms web joint is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098570 CN2859705Y (en) | 2005-11-03 | 2005-11-03 | Water elasticity analog model of hydraulic lock gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098570 CN2859705Y (en) | 2005-11-03 | 2005-11-03 | Water elasticity analog model of hydraulic lock gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2859705Y true CN2859705Y (en) | 2007-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520098570 Expired - Fee Related CN2859705Y (en) | 2005-11-03 | 2005-11-03 | Water elasticity analog model of hydraulic lock gate |
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| Country | Link |
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| CN (1) | CN2859705Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452688A (en) * | 2014-11-13 | 2015-03-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Manufacturing method and structure of door leaf of large-span main longitudinal beam hidden hole arc door |
| CN108018833A (en) * | 2017-12-05 | 2018-05-11 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of microstome monoblock cast table radial door |
| CN108153155A (en) * | 2017-12-30 | 2018-06-12 | 华能澜沧江水电股份有限公司 | A kind of modeling of power station floodgate based on multiple regression algorithm and computational methods |
-
2005
- 2005-11-03 CN CN 200520098570 patent/CN2859705Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452688A (en) * | 2014-11-13 | 2015-03-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Manufacturing method and structure of door leaf of large-span main longitudinal beam hidden hole arc door |
| CN108018833A (en) * | 2017-12-05 | 2018-05-11 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of microstome monoblock cast table radial door |
| CN108153155A (en) * | 2017-12-30 | 2018-06-12 | 华能澜沧江水电股份有限公司 | A kind of modeling of power station floodgate based on multiple regression algorithm and computational methods |
| CN108153155B (en) * | 2017-12-30 | 2020-09-01 | 华能澜沧江水电股份有限公司 | Hydropower station flood discharge gate modeling and calculating method based on multiple regression algorithm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070117 Termination date: 20091203 |