CN206581234U - A kind of spring air bag delta hedge delta surge-chamber - Google Patents

Abstract

The utility model is related to a kind of spring air bag delta hedge delta surge-chamber, diversion tunnel is connected with pressure pipeline, connection short tube is communicated with the pressure pipeline, the top of the connection short tube is connected with surge shaft, impedance mouthful is provided with its junction, inflatable spring air bag is disposed with the inside of surge-chamber tube wall, the inflatable spring air bag uses elliposoidal structure, it is cavity structure that it is internal, the outer rim of the inflatable spring air bag is connected by multiple uniform connecting springs with the inwall of surge-chamber tube wall, many coil springs are installed inside the cavity structure of inflatable spring air bag, airbag aeration mouthful is provided with the top of inflatable spring air bag.The problem of this surge-chamber can not only make up that traditional surge-chamber less effective, complicated, quantities are big, invest also big, and the problem of the novel voltage-regulating room facility that can solve to occur in recent years is various, construction technology is cumbersome, Maintenance and Repair are bothered.

Description

A kind of spring air bag delta hedge delta surge-chamber

Technical field

The utility model is related to a kind of surge-chamber structure, belongs to Hydraulic and Hydro-Power Engineering, water supply project field, particularly one kind Air-spring bellows liquidate pressure regulation.

Background technology

In recent years China it is proposed, building, large quantities of power stations of being completed, particularly high mountain gorge, high and steep mountains I State is western, as the basin such as river in Yalong river valley tributary, Liangshan, Sichuan wood, and above-mentioned zone hydroelectric development basin flow is small, Often run-of-river power station is used to arrange.Wherein long diversion, the hydraulic power plant surge-chamber of high water head are common engineering measures.On State in structure, surge-chamber is complicated, difficulty of construction is big, quantities is big, investment accounting is high, therefore, study new or improvement surge-chamber, Voltage regulation result is improved, quantities is reduced, it is very necessary to reduce investment outlay.

Diversion surge-chamber structure in existing hydraulic structure, mainly have simple drum type brake, impedance type, two chamber, overflow-type, Differential type, air-cushion type or the type of half air-cushion type six.More than in six kinds of surge-chambers, simple drum type brake is the most traditional common, and Reflect water soot blower effect good, but have that water-level fluctuation amplitude is larger, die-away time is long, and surge-chamber volume is larger, when normally running Penstock and the hydraulic loss of surge-chamber junction are larger；Above-mentioned other structures surge-chamber, although voltage regulation result is preferable, but equally Exist complicated, the construction period is long, the problem of construction investment is huge.

Engineering circles have carried out many very significant innovative designs in recent years, but there is also complicated use novel work Skill technology is more, causes construction technology cumbersome, and the series of problems such as maintenance cost rise, one-time investment might not be saved in fact Save, add maintenance cost and be likely to result in bigger construction investment.Such as institute in a kind of water-bag type diversion surge-chamber of utility model patent State, energy dissipating regulation is carried out using water pocket, not only water pocket is thin, and reliability is smaller, and can cause the water body shape between utricule and the borehole wall It is too high into lasing splash, cause unsafe factor.Back and forth supplement needs also exist for power consumption to the water body of the device, and water body pressure is compared with gas Pressure easily causes more greatly structural failure；And the device reaches far away most preferably only with single Energy Dissipation Modes effect of energy dissipation.So Simple in construction, effect of energy dissipation is obvious, and the surge-chamber scheme of economical rationality is the actual conditions for meeting modern project.

The shortcoming of novel voltage-regulating room that spring air bag delta hedge delta surge-chamber not only overcomes traditional surge-chamber and occurred recently, And the advantage of novel voltage-regulating room for having traditional surge-chamber concurrently and occurring recently, while possess above-mentioned innovative point, voltage regulation result is good, Quantities is small, short time limit, difficulty of construction are low, and construction investment is few, good in economic efficiency, maintenance, install, operation maintenance management it is simply square Just, water level wave amplitude is small, and fluctuation stabilization time is short, and effect of energy dissipation is good, will have broad application prospects；Meanwhile, can also promote should For the surge tower that supplies water.

Utility model content

The technical problems to be solved in the utility model is that modified surge-chamber shows for traditional surge-chamber and its in recent years There is technical deficiency, and a kind of spring air bag delta hedge delta surge-chamber is provided, this surge-chamber can not only make up traditional surge-chamber effect Really not good enough, complicated, quantities is big, the problem of invest also big, and the novel voltage-regulating room that can solve to occur in recent years is set Apply that cumbersome various, construction technology, Maintenance and Repair trouble, one-time investment might not be reduced, construction investment might not be saved The problem of.

In order to solve the above-mentioned technical problem, the utility model proposes following technical scheme：A kind of spring air bag delta hedge delta is adjusted Pressure chamber, a kind of spring air bag delta hedge delta surge-chamber, it is characterised in that：It includes upstream diversion tunnel, the diversion tunnel and pressure Hydraulic piping is connected, and connection short tube is communicated with the pressure pipeline, the top of the connection short tube is connected with surge shaft, in its company The place of connecing is provided with impedance mouthful, inflatable spring air bag is disposed with the inside of surge-chamber tube wall, the inflatable spring air bag is adopted Elliposoidal structure is used, it is cavity structure that it is internal, and the outer rim of the inflatable spring air bag passes through multiple uniform connecting springs It is connected with the inwall of surge-chamber tube wall, many coil springs is installed inside the cavity structure of inflatable spring air bag, inflatable Airbag aeration mouthful is provided with the top of spring air bag.

The two ends of the connecting spring are respectively hinged at inflatable spring air bag and surge-chamber tube wall by way of hinge Between.

Deflector is installed, the inwall of the deflector is arc on the surge-chamber tube wall on the inflatable spring air bag top Shape transition face.

The utility model has the advantages that and innovative point：

1st, spring air bag delta hedge delta surge-chamber not only overcomes traditional surge-chamber and the novel voltage-regulating room that occurs recently lacks Point, and the advantage of novel voltage-regulating room for having traditional surge-chamber concurrently and occurring recently, while possessing above-mentioned innovative point, voltage regulation result Good, small quantities, short time limit, difficulty of construction are low, and construction investment is few, good in economic efficiency, maintenance, installation, operation maintenance management letter Just, water level wave amplitude is small for folk prescription, and fluctuation stabilization time is short, and effect of energy dissipation is good, will have broad application prospects；Meanwhile, it can also push away Extensively it is applied to water supply surge tower.

2nd, new principle：Water hammer compressing gasbag and spring, deflector colliding energy dissipation, current fall concussion energy dissipating, energy dissipating effect after rise It is really good；

3rd, new structure：Water body compressing gasbag and spring, an energy dissipating is realized to water body；Water body passes through air bag and surge-chamber Passage between the borehole wall reaches top air deflector, realizes the secondary energy dissipating that liquidates；Opposite jet flow is fallen after rise on air bag, causes its reciprocal Concussion, realizes three energy dissipatings；

4th, construction and operation：Traditional surge-chamber use concrete cast in situs, disposably put into operation, be not easy to operation, Maintenance；This surge-chamber is taken makes spring air bag etc. in factory, and in-site installation is installed, overhauls convenient, operational management cost is low.

Brief description of the drawings

The utility model is described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a kind of spring air bag delta hedge delta surge-chamber vertical section sectional view of the utility model.

Fig. 2 is a kind of spring air bag delta hedge delta surge-chamber section top detail view of the utility model.

Wherein have：Pressure pipeline 1, connection short tube 2, impedance mouthful 3, inflatable spring air bag 4, deflector 5, surge-chamber tube wall 6th, airbag aeration mouthful 7, connecting spring 8, spring 9.

Embodiment

Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.

Such as Fig. 1-2, a kind of spring air bag delta hedge delta surge-chamber, a kind of spring air bag delta hedge delta surge-chamber, it is characterised in that： It includes upstream diversion tunnel, and the diversion tunnel is connected with pressure pipeline 1, and connection short tube is communicated with the pressure pipeline 1 2, the top of the connection short tube 2 is connected with surge shaft, impedance mouthful 3 is provided with its junction, in the inside of surge-chamber tube wall 6 Inflatable spring air bag 4 is disposed with, the inflatable spring air bag 4 uses elliposoidal structure, it is cavity structure that it is internal, described The outer rim of inflatable spring air bag 4 is connected by multiple uniform connecting springs 8 with the inwall of surge-chamber tube wall 6, inflatable Many coil springs 9 are installed inside the cavity structure of spring air bag 4, the top of inflatable spring air bag 4 is provided with airbag aeration Mouth 7.

Further, the two ends of the connecting spring 8 are respectively hinged at the inflatable He of spring air bag 4 by way of hinge Between surge-chamber tube wall 6.The link position consolidation process of connecting spring 8, prevents that air bag comes off caused by gushing on current are vertical；Bullet Movable facility should be set to be used to removing and installing air bag, easy access air bag on spring.

Further, deflector 5, the water conservancy diversion are installed on the surge-chamber tube wall 6 on the top of inflatable spring air bag 4 The inwall of plate 5 is arc transiting surface.Its mechanism of action is after water body is by connecting short tube, impedance hole into surge-chamber, to work as water After body punching press air bag is obstructed, water body is reached top air deflector, led by the water stream channel between air bag and the surge-chamber borehole wall Stream, which liquidates, eliminates the kinetic energy of water body.

Further, the inflatable upper surface of spring air bag 4 is provided with airbag aeration mouthful 7, after water body punching press air bag repeatedly, Intracapsular gas can lose a part, the compressed air in air bag can in good time be supplemented by airbag aeration mouthful, and increase is certainly The deformation performance of body.

Further, be disposed with inflatable spring air bag 4 in surge-chamber, its operation mechanism be when load rejection, Water body in pressure pipeline by connect compressed gas that short tube, impedance hole enter in surge-chamber, continuous punching press air bag, air bag and Spring is compressed by itself and then suppresses indoor SEA LEVEL VARIATION height and fluctuating range.

Further, inflatable spring air bag 4 in colliding energy dissipation with having at 2 points：One is to utilize natural resiliency property Stop and gushed on current, promote current to rush to penetrate to be formed on the water stream channel of both sides and liquidate, two are gushed by the water body and lower section fallen Two-way function, back and forth shakes under the traction of connecting spring 8, eliminates energy.

Further, spring 9 can be arranged to strengthen elastic effect in the inflatable spring air bag 4, in intracapsular gas not When sufficient, when water body punching press air bag, air bag itself can be swung up and down by the elasticity of itself of the spring in air bag, eliminate water The impact energy of body.

The course of work and operation principle of the present utility model are：

Run-of-river power station, from upper pond diversion, by surge-chamber lower end impedance hole 3, is arrived by upstream pressure conduit 1 Up to power plant building, accumulate, when load is improved suddenly, adjust because surge-chamber has the part water body of impedance hole 3 to enter in surge-chamber Water body is supplemented by 3 pairs of water bodys for having pressure pipeline 1 of impedance hole in pressure chamber；When generator losing load or flabellum failure are closed When, suddenly risen by the water body pressure of pressure pipeline 1, produce water hammer pressure, pressure compresses inflatable spring air bag 4, inflatable bullet Spring air bag 4, repeatedly by compression recovery, one is realized using self-characteristic buffering flow dynamic in the presence of intracapsular gas and spring Secondary energy dissipating；Due to there is water stream channel between inflatable spring air bag 4 and the surge-chamber borehole wall, High-Pressure Water is by inflatable spring Air bag 4 obstruct after, by the water stream channel reach top deflector 5 at, carry out water conservancy diversion liquidate, surge-chamber top hit and with Gas blends to form secondary energy dissipating；Current, which complete to liquidate, to be fallen on inflatable spring air bag 4 above backlash, promotes it back and forth to shake Swing, carry out three energy dissipatings.When water level reaches that highest springs up water level in surge-chamber, current are formed in the top of deflector 5 and liquidated simultaneously To decline, the inflatable spring air bag 4 of water body punching press and to decline, when in surge-chamber water level reach it is minimum spring up water level when, pressure regulation Indoor water body starts to repeat said process again, to reach regulation purpose.In the later stage, overpressure recovers normal, in surge-chamber The pressure that water body is flowed back in the pressure conduit of downstream by Orifice 3 recovers normal.

By above-mentioned description, those skilled in the art completely can be without departing from this utility model technological thought In the range of, various changes and amendments are carried out all within protection domain of the present utility model.It is of the present utility model not most Matters, belong to the common knowledge of those skilled in the art.

Claims (3)

1. a kind of spring air bag delta hedge delta surge-chamber, it is characterised in that：It includes upstream diversion tunnel, the diversion tunnel and pressure Hydraulic piping（1）It is connected, the pressure pipeline（1）On be communicated with connection short tube（2）, the connection short tube（2）Top and pressure regulation Well is connected, and impedance mouthful is provided with its junction（3）, in surge-chamber tube wall（6）Inside be disposed with inflatable spring air bag （4）, the inflatable spring air bag（4）Using elliposoidal structure, it is cavity structure, the inflatable spring air bag that it is internal （4）Outer rim pass through multiple uniform connecting springs（8）With surge-chamber tube wall（6）Inwall be connected, in inflatable spring air bag （4）Cavity structure inside many coil springs are installed（9）, in inflatable spring air bag（4）Top be provided with airbag aeration mouthful （7）.

2. a kind of spring air bag delta hedge delta surge-chamber according to claim 1, it is characterised in that：The connecting spring（8） Two ends inflatable spring air bag is respectively hinged at by way of hinge（4）With surge-chamber tube wall（6）Between.

3. a kind of spring air bag delta hedge delta surge-chamber according to claim 1, it is characterised in that：The inflatable spring gas Capsule（4）The surge-chamber tube wall on top（6）On deflector is installed（5）, the deflector（5）Inwall be arc transiting surface.