CN204703138U - Split oblique vertical shaft type hydraulic self-control gate - Google Patents

Abstract

The utility model relates to one and splits oblique vertical shaft type hydraulic self-control gate, comprises lock chamber, opposite opened gate, tiltedly vertical shaft, hydraulic shock-absorbing device and sealing.Lock chamber is by building as a whole gate pier and gate floor is formed; Both sides gate pier is furnished with oblique vertical shaft symmetrically; Opposite opened gate is made up of two equirotal gates; The width of every fan brake door equals the half of clear distance between the gate pier of both sides; Each gate is fixed on the oblique vertical shaft of both sides gate pier respectively by bearing or hinge; Hydraulic shock-absorbing device is made up of piston rod, piston and piston rod, and piston rod is fixed on the top of a side gate by band andgudgeon, and piston rod fixes the gate top of opposite side by short hinge; The utility model, without the need to outer power, can be realized the automatic open and close of gate by upland water situation, in stable condition, can not produce the phenomenon of " beating " unstability, realizes automatically completing retaining and sluicing object.

Description

Split oblique vertical shaft type hydraulic self-control gate

One, affiliated field

The present invention relates to one and split oblique vertical shaft type hydraulic self-control gate.

Two, background technology

Hydraulic balanced wicket is the painstaking efforts that China hydraulic engineering technician went through for four more than ten years, researches and develops and has a kind of energy-saving and environmental protection type gate of complete independent intellectual property right.But there is following main defect: 1. the hydraulic characteristic(s) of hydraulic balanced wicket is more complicated; 2. the supporting construction of gate is formula behind the door, i.e. horizontal shaft type balanced wicket.Flashboard is overturn and needs enough power, make flashboard and gate pier stressed too large, be unfavorable for the stable of gate.3. horizontal shaft type balanced wicket is let out in process under a stream of water, among the current let out under whole flashboard and supporting construction thereof are in, create huge resistance, under seriously have impact on current, let out ability.4. horizontal shaft type balanced wicket, be in operation " beating " phenomenon that there will be and periodically bounce buttress or Ba Kan back and forth, greatly destructive.5. horizontal shaft type balanced wicket requires sufficiently high water level when opening, and could open; And when closing, require that door-plate upstream will have enough low water level to close, and can affect normal retaining.6. due to the feature of horizontal shaft type automatic panel-turning gate door supporting structure, gatage is restricted, that have or do not open, open with regard to reaching maximum once, can not along with the size variation of upland water amount the automatic problem such as adjustment at any time, 7. clino-axis type hydraulic self-control gate solves above problem, achieve the object that gatage can be regulated at any time automatically along with the size variation of upland water amount, the gate gradually property opened is good, open and close is more laborsaving, gate discharge capacity is strong, and retaining performance is good, does not produce the phenomenon of " beating " unstability.But owing to only having a fan brake door-plate, cause flow shape in lock chamber asymmetric, fluidised form performance is perfect not.

Three, summary of the invention

For solving the problem, the invention provides one and splitting oblique vertical shaft type hydraulic self-control gate, without the need to outer power, the automatic open and close of gate can be realized by upland water situation, the gate gradually property opened is good, opens and closes more laborsaving, simultaneously, gate retaining performance is good, discharge capacity is strong, the flowing of current symmetry, in stable condition, the phenomenon of " beating " unstability can not be produced, achieve and automatically complete retaining and sluicing object.

One splits oblique vertical shaft type hydraulic self-control gate, comprises lock chamber, opposite opened gate, tiltedly vertical shaft, hydraulic shock-absorbing device and sealing.

Described lock chamber is by building as a whole gate pier and gate floor is formed, and gate pier is laid in the both sides of gate floor symmetrically; Both sides gate pier is furnished with oblique vertical shaft symmetrically, and oblique vertical shaft is also rigidly connected by anchor structure and gate pier; Oblique vertical shaft lower end is fixed on gate pier and gate floor junction, oblique vertical shaft upper end tilts to install to current updrift side, oblique vertical shaft and gate floor form α angle, and the parameter such as aperture that the size of α requires according to gate material, weight, upper pond level and gate is determined according to prior art analytical calculation; The upright projection of oblique vertical shaft on gate pier is equal with the height of gate pier; Described opposite opened gate is made up of two equirotal gates; The width of every fan brake door equals the half of clear distance between the gate pier of both sides; Each gate is fixed on the oblique vertical shaft of both sides gate pier respectively by bearing or hinge; When gate is closed completely, the standoff height of gate on facade is equal with gate pier height, and gate and oblique vertical shaft are in same plane; Gate can adopt plane gate, and has suitable weight, and the weight of gate, depending on upstream depth of water size, to ensure under the effect of water pressure of upstream, can freely open and close and ensure that safety is principle; During closing gate, the lower surface of gate is supported on gate floor; Two fan brake doors of opposite opened gate can rotate between 0 ° ~ 90 ° around oblique vertical shaft downstream, but can not move up and down along the axis direction of oblique vertical shaft; Between two fan brake doors, gate and both sides gate pier and be provided with sealing between gate and gate floor, leak to prevent from producing during closing gate; On the top of two fan brake doors, be provided with hydraulic shock-absorbing device; Described hydraulic shock-absorbing device, be made up of piston rod, piston and piston rod, piston rod is fixed on the top of a side gate by band andgudgeon, and piston rod fixes the gate top of opposite side by short hinge, and hydraulic shock-absorbing device can slow down the vibration of the gate course of work effectively.The length of piston rod and piston rod reaches maximum opening for according to determining not affect gate.

When the present invention works, when after the change of upland water amount, water level is changed, and the water pressure acted on like this on gate also can change thereupon, and gate, under effect of water pressure, can complete the opening and closing process of gate automatically:

First by the oblique vertical shaft of both sides respectively symmetrically device on the gate pier of both sides, and by being rigidly connected between anchor structure and gate pier, again opposite opened gate is fixed on the oblique vertical shaft of both sides symmetrically through bearing or hinge respectively, when upland water amount increases, when before gate, water level is elevated to certain altitude, the upland water moment (moment around oblique vertical shaft) acted on gate is greater than the moment (moment around oblique vertical shaft) that gate deadweight produces, after overcoming pivoting friction, gate can be made to rotate to current downstream direction around oblique vertical shaft, gate is opened automatically, and by between gate and gate, gap between gate and gate floor sluices to downstream, when upland water amount maintain a certain amount of no longer change time, gate letdown flow is equal with upland water amount, and before gate, water level keeps stable, and gatage keeps stablizing, if upland water amount increases further, then before gate, water level raises further, the moment acting on gate is greater than the moment of gate deadweight generation, gate can increase further to the aperture of current downstream direction, letdown flow is increased further, if when upland water amount increase to a certain amount of no longer change time, before gate, water level keeps stable, gate letdown flow is equal with upland water amount, and the aperture of gate keeps stable, after when coming that the water yield increases to a certain degree, before gate, water level rises to certain altitude, gate can all be opened, gate can be made to rotate nearly 90 ° around oblique vertical shaft to current downstream direction, now, gate and gate pier close, gatage reaches maximum, and the ability of letting out is increased further, to complete the needs of flood discharge well.For preventing gate from producing vibration in the course of the work, between two fan brake doors, be provided with hydraulic shock-absorbing device, hydraulic shock-absorbing device is laid in gate top, can slow down the vibration of gate, makes gate work more steady.

When upland water amount reduces, before gate, water level can decline thereupon, the upper water pressure moment acted on gate is made to be less than the moment of gate deadweight generation, after overcoming pivoting friction, gate can rotate towards the direction of current upstream automatically, then the aperture of gate can reduce automatically, thus reduces letdown flow; If when upland water amount be reduced to a certain amount of no longer change time, then before gate, water level keeps stable, and gate letdown flow is equal with upland water amount, and remains unchanged, and gatage keeps stablizing; When upland water amount reduces further, water level declines further, the upper water pressure moment acted on gate is less than the moment that gate deadweight produces further, gate is rotated in the automatic direction towards closing further, then the aperture of gate can reduce further automatically, thus letdown flow is reduced further; When upland water amount is reduced to a certain degree, before gate, water level decreasing is to certain altitude, and the moment that gate deadweight produces is greater than upper water pressure and acts on moment on gate, gate is closed automatically, to keep retaining state.

When after closing gate, due between two fan brake doors, gate and both sides gate pier and be provided with sealing between gate and gate floor, gate can be kept water-tight.The retaining of gate upstream can be retained preferably, so that emerging profit uses.

So the work of gate is carry out auto-control by the height of upper pond level completely.Along with the change of upland water amount, gate is automatically opened and is kept certain aperture, automatically to complete the needs that sluice, achieves the automatic control of gate by upland water, achieves unmanned working system, apply in very convenient practice.Meanwhile, owing to being provided with two symmetrical fan brake doors, under upland water effect, can opening symmetrically or close, make lower sluicing stream mode symmetrical, more stable than the oblique vertical shaft type hydraulic self-control gate current of single open-door, discharging capacity be stronger.

The present invention to make in lock chamber streamflow regime symmetrical, adds the stability of current, makes retaining, discharging capacity strengthens more.Oblique vertical shaft type hydraulic self-control gate achieves outstanding innovation in hydraulic automatically-controlled shutter gate, to the reform of hydraulic automatically-controlled shutter gate revolutionary character, can be used for alternative dull and stereotyped lift gate, Segment gate and rubber dam and hydraulic automatically-controlled shutter gate and clino-axis type hydraulic self-control gate, be more applicable for and retain current and earial drainage.

Four, accompanying drawing explanation

Fig. 1 splits oblique vertical shaft type hydraulic self-control gate schematic diagram

In figure: 1-gate floor; 2-gate pier; 3-opposite opened gate; 4-band andgudgeon; 5 piston rods; The short hinge of 6-; 7-piston rod; 8-piston; 9-sealing; The oblique vertical shaft of 10-

Five, detailed description of the invention

As shown in Figure 1, gate pier is the concrete structure that both sides are uprightly arranged symmetrically with, or reinforced concrete structure, or stone masonry structure etc., depending on upstream depth of water size, to ensure that safety and stability is for foundation, gate pier height should be greater than the upstream depth of water, to ensure that safe operation is for foundation; Gate floor is reinforced concrete structure, or concrete structure, or stone masonry structure etc., also depending on upstream depth of water size, to ensure that safety and stability is for foundation; Both sides gate pier and gate floor cast in situs, and water and build up a complete overall structure, to increase its stability; Determining from paying attention to depth of water size of gate, to ensure under the effect of water pressure of upstream, freely can open and close and ensure that safe operation is principle; Oblique vertical shaft adopts the metal material such as cast steel, alloy, and is fixed on gate pier by anchor structure, will carry out antirust work simultaneously; Opposite opened gate is prefabricated reinforced concrete structure or other material with constant weight and rigidity, intensity, and require that gate is homogeneous, its quality size should meet when certain water level, and gate can be closed automatically as foundation.Gate is fixed on oblique vertical shaft by bearing, and the visual stressed size of bearing adopts rolling bearing or sliding bearing or adopts hinged bearing, makes gate can freely around oblique vertical shaft rotating; Between two fan brake doors, gate and both sides gate pier and be provided with sealing between gate and gate floor, prevent from producing drainage during closing gate, ensure normal retaining; Between two fan brake doors, be provided with hydraulic shock-absorbing device, hydraulic shock-absorbing device is laid in gate top, adopts pistons work principle, produces judder at work, make gate work more steady to slow down gate.

Oblique vertical shaft type hydraulic self-control gate, relies on upper pond level height automatically to control its aperture size, has the following advantages:

(1) structure is simple, without the need to outer dynamic Control, does not need special messenger to operate control, it, completely by upland water situation auto-control, compared with general lift lock, has saving human and material resources, use the features such as convenient, achieve unattended operation.

(2) can automatic regulating gate aperture accurately and timely.Along with the lifting of upper pond level, gate can open and close gradually, automatically, accurately, in time, completes sluicing and retaining process, makes letdown flow and the lock flow that comes maintain dynamic equilibrium, and retaining, sluicing, flood control safety are reliable.

(3) discharging capacity is stronger, and current symmetry is stable.Oblique vertical shaft type hydraulic self-control gate, can simultaneously earial drainage between Liang Men, at the bottom of door and between gate floor.Owing to being provided with two symmetrical fan brake doors, under upland water effect, can opening symmetrically or close, make lower sluicing stream mode symmetrical, more stable than the oblique vertical shaft type hydraulic self-control gate current of single open-door, discharging capacity be stronger.And gate can rotate nearly 90 °, and near on gate pier, cross water clear span large, substantially reduce resistance to water-flow, conveyance capacity is strong, can make the smooth lockage of floating thing, also have the effect of scouring sluice concurrently, to be more convenient for sand surfing erosion and deposition, closer to river native state, to guarantee flood discharge safety and river environment safety.

(4) split oblique vertical shaft type automatic control gate door panel structure simple, compared with conventional steel gate, there is the duration short, the advantage that cost is low; Compared with general horizontal shaft type hydraulic automatism turnover panel, open more flexible, solve horizontal shaft type hydraulic automatism turnover panel and often cannot open, the contradiction that impact sluices; Compared with rubber dam, ageing of rubber is fast, and application life is short, within 5 ~ 7 years, just needs to change, and special pressurizing device need be configured, flood control more needs staff on duty, running cost is high, and management is inconvenient.

Split oblique vertical shaft type hydraulic self-control gate design principle unique, no matter technically, or the aspect such as functional performance, all creating qualitative leap, is the novelty major reform to gate.

Claims (1)

1. split an oblique vertical shaft type hydraulic self-control gate, it is characterized in that comprising lock chamber, opposite opened gate, tiltedly vertical shaft and hydraulic shock-absorbing device;

Described lock chamber is by building as a whole gate pier and gate floor is formed, and gate pier is laid in the both sides of gate floor symmetrically; Both sides gate pier is furnished with oblique vertical shaft symmetrically, and oblique vertical shaft is also rigidly connected by anchor structure and gate pier; Oblique vertical shaft lower end is fixed on gate pier and gate floor junction, oblique vertical shaft upper end tilts to install to current updrift side, oblique vertical shaft and gate floor form α angle, and the aperture that the size of α requires according to gate material, weight, upper pond level and gate is determined according to prior art analytical calculation; The upright projection of oblique vertical shaft on gate pier is equal with the height of gate pier; Described opposite opened gate is made up of two equirotal gates; The width of every fan brake door equals the half of clear distance between the gate pier of both sides; Each gate is fixed on the oblique vertical shaft of both sides gate pier respectively by bearing or hinge; When gate is closed completely, the standoff height of gate on facade is equal with gate pier height, and gate and oblique vertical shaft are in same plane; During closing gate, the lower surface of gate is supported on gate floor; Two fan brake doors of opposite opened gate rotate between 0 ° ~ 90 ° around oblique vertical shaft downstream; Described hydraulic shock-absorbing device, is made up of piston rod, piston and piston rod; Piston rod is fixed on the top of a side gate by band andgudgeon, and piston rod fixes the gate top of opposite side by short hinge.