CN2898107Y

CN2898107Y - Large-fall head shaft tunnel lock

Info

Publication number: CN2898107Y
Application number: CNU2005201355816U
Authority: CN
Inventors: 洪小飞; 洪松
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-16
Filing date: 2005-12-16
Publication date: 2007-05-09
Anticipated expiration: 2015-12-16

Abstract

The utility model relates to a tunnel type navigation lock for the high drop height silo. A main body of four sides of the chamber of main navigation gate is a concrete structure taking a silo shape, and is provided at the downstream side at the large dam side. The structure comprises a main gate and a duplicate gate at the upstream side, a plurality of tunnel type pressure equalizing gate chambers at downstream side; inbetween the pressure equalizing gate chambers is spaced by a pressure equalizing gate; the upper sides of the rest of the tunnel type pressure equalizing gate chambers are provided each with a water storage pressure equalizing silo which is communicated respectively with the pressure equalizing gate chamber, apart from the main gate chamber and pressure equalizing gate chamber at the furthest outer end. The utility model has the advantages that: owing to the fact that all of the pressure equalizing gates bear the differential water pressure together, the utility model guarantees the stress safety of the gate; with a suitable height of gates, the watercraft is required to pass the gate only once without passing any more, thus shortening the transit time, and improving the navigation ability. The utility model is particularly applicable to the large dam having a high drop height.

Description

High drop vertical shaft tunnel type ship lock

Technical field

The utility model relates to a kind of ship lock, particularly a kind of vertical shaft tunnel type ship lock that is applicable to high drop water level.

Background technology

In bargeline, ship lock is to be used for that the rivers navigation channel overcomes the navigation channel water-head and a kind of boat building of crossing of being provided with.In addition, also all used ship lock at many hydroelectric project hinges.Generally speaking, ship lock by the upstream and downstream approach channel, go up tail-bay gate, guide work thing, constitute by boat building, water delivery gallery and lock chamber, the navigation channel water level that makes it will enter with boats and ships by the indoor water level of regulator flushes, and makes boats and ships finish the dam and opens the navigation or air flight.During greater than 20-25 rice, generally adopt multilift lock in the water levels of upstream and downstream difference.This is because when adopting the one-level ship lock, the ship lock main shutter will be born huge hydraulic pressure, makes to have implemented very big technical difficulty; Simultaneously, owing to there are difficult problems such as cavitation erosion, vibration and energy dissipating layout, prior art difficulty overcomes.In addition, discloseder in the prior art improvement lockage and designs, because on the mentality of designing, ubiquitous defective is that ship lock still is multistage, boats and ships lockage speed is slow, the time is long, has had a strong impact on the navigation ability.The employing one-level ship lock that also has, but can't solve gate too high excessive and influence use and security problems in the middle of the reality.

Summary of the invention

The purpose of this utility model is to provide a kind of improved ship lock, specifically just provides a kind of vertical shaft tunnel type ship lock that is applicable to that high drop water level dam is used, and has shortened the boats and ships lockage time, has improved the logical ship ability of dam.

Realize that the technical scheme that the purpose of this utility model is taked is such.The utility model utilizes water level pressure reduction principle, make pressure reduction between the ship lock gates at different levels chamber within scope of design, make each gate share differential water pressures jointly, guaranteed the stressed safety of gate, adopt multistage tunnel all to press lock chamber and vertical shaft type main switch cell structure simultaneously, gate is built suitably height, the lockage ship only need once advance lock, no longer repeat level, thereby shortened lockage time greatly.Particularly, structure of the present utility model is described below: four sides, ship lock main switch chamber main body is a concrete structure, the main switch chamber is a well formula shape, be arranged at dam downstream on one side, comprise that the secondary gate in upstream main shutter and upstream, several tunnel types of downstream all press lock chamber, all press between the lock chamber by all pressing gate spacer, except that main switch chamber and outermost end are all pressed the lock chamber, all the other tunnel types all press the lock chamber top respectively to have a water storage all to press vertical shaft to communicate with all pressing lock chamber separately respectively, also comprise by supporting facility such as ship building and lower gates.

In the utility model, can also reservoir be set in main switch chamber one side, will fall ship time main switch chamber upper water stream and inject reservoir, rise ship time and again the water of reservoir is recycled into the main switch chamber.

All press the vertical shaft upper interior to install water level control apparatus additional at each water storage, can realize automatic water supply.

All press the quantity of lock chamber to design according to the dam height of water level.All press length, width and the height of lock chamber, determine with varying in size of ship of navigation.

The effect of upstream major-minor gate be guarantee rich, can safe lockage when change dry season, can guarantee main shutter safety again.

The technological progress that the utility model is obtained is: the utility model has solved existing lock gate too big, too high and the gate intensity, the rigidity manufacture difficulty that exist and has born difficult problems such as vibration, energy dissipating layout, safety factor, guaranteed ship lock and gate safe, move efficiently, reliably; Simultaneously, but use water storage all to press vertical shaft direct saving water consumption, improved dam overall operation ability.

Ship lock of the present utility model can also replace ship lift to use, and rises the ship's speed degree and is not less than tonnage ship lift of the same race and rises the ship's speed degree, and can guarantee to rise the safety of ship.

Description of drawings

What Fig. 1 provided is structural representation of the present utility model.

On behalf of implication, each label be among the figure:

The secondary gate in upstream main shutter 2. upstreams main switch chambers 3. 4. lock walls 5,6,7. water storage all presses vertical shaft 8. lower gates 9. all to press

tail gate

10,11. all to press gate 12. all to press first gate 13. main switch locular wall A, B, C, D. all to press X. downstream, lock chamber S. upstream.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further.

Referring to Fig. 1, ship lock main switch chamber 3 is a well formula shape, wall is a concrete structure, long 100 meters, wide 50 meters, high 140 meters, upstream main shutter 1, the secondary gate 2 in upstream, be provided with A in 3 downstreams, main switch chamber, B, C, four tunnel types of D are all pressed lock chamber, the gate front is the arched door shape, each is all pressed to have between the lock chamber and all

presses gate

9,10,11,12, wherein 12 for all pressing first gate, and 9 for all pressing the tail gate, at B, C, D all presses the top of lock chamber to be respectively equipped with and all presses vertical shaft 7,6,5, communicate with all pressing lock chamber respectively, all press the outside of tail gate 9 also to be provided with lower gate 8 in the downstream.

Ship lock operating principle of the present utility model is such:

One, rise ship: when lock chamber is in the level of tail water simultaneously, open several gate, ship sail into the main switch chamber and fixed after, several roads gate Close All.Then, main switch chamber and tunnel structure are all pressed lock chamber (being A, B, C, D lock chamber) water filling simultaneously, when water level rises to (apart from the level of tail water) 20-30 rice (setting), the A road is all pressed lock chamber to stop water filling and is kept set water level, at this moment, the A road all presses the gate both sides differential water pressures between the lock chamber and the level of tail water promptly to remain on 2-3kg/cm.When main switch chamber and other several roads tunnel structure all press lock chamber to continue to be filled to B road tunnel structure all to press the lock chamber water level to rise to all to press apart from the A road the existing water level 20-30 rice (setting) of lock chamber, B road tunnel structure all presses lock chamber to stop annotating and keeping set water level, B road tunnel structure all to press lock chamber and A road all to press the gate both sides differential water pressures between the lock chamber promptly to remain on 2-3kg/cm.The rest may be inferred, until main switch chamber ship lock water level rise to upper pond level contour after, open the upstream lock gate, ship rolls ship lock away from.

Two, ship falls: after rising the ship ship and rolling ship lock away from, fall the ship ship and sail the main switch chamber into via the upstream lock gate, close the upstream main shutter, the main switch chamber begins to discharge water, treat that main switch chamber water level reduces to when all pressing the lock chamber water level to equate (or be higher than the D road all press lock chamber water level 1-2 rice) with the D road, the D road all presses lock chamber promptly to begin to discharge water, and at this moment the D road all presses the water level pressure reduction of the gate both sides between lock chamber and the main switch chamber to equal (or approaching) zero; When treating that main switch chamber water level and D road all press the lock chamber water level to reduce to all to press the lock chamber water level to equate (or be higher than the C road all press lock chamber water level 1-2 rice) with the C road, the C road all presses lock chamber promptly to begin to discharge water; The B road all presses lock chamber and A road all to press lock chamber equal, all presses the water level of lock chamber all to reduce to after the level of tail water equates until main switch chamber, each road, and the several gates in lock chamber downstream open, and ship rolls ship lock away from.

Claims

1, a kind of high drop vertical shaft tunnel type ship lock, comprise upstream main shutter (1) in the structure, the secondary gate (2) in upstream, lower gate (8) and by the ship building, it is characterized in that: four sides, ship lock main switch chamber (3) main body is a concrete structure, well formula shape, the downstream is provided with tunnel type and all presses lock chamber (A), (B), (C), (D), all press between the lock chamber by all pressing gate (9), (10), (11), (12) separately, all press the lock chamber (A) except that main switch chamber (3) and outermost end, all the other are all pressed the top of lock chamber to have respectively with the water storage of all pressing lock chamber to communicate separately and all press vertical shaft (5), (6), (7).

2, by the described ship lock of claim 1, it is characterized in that: all press the upper interior of vertical shaft that water level control apparatus is housed at each water storage.

3, by the described ship lock of claim 1, it is characterized in that: one side has reservoir in the main switch chamber.