Safety device of navigation lock

FIELD: construction.

SUBSTANCE: system of shock absorbers is arranged in the form of rubber blocks installed on lock walls. Rubber blocks of shock absorbers are installed in niches arranged on horizontal sites of lock chamber walls. Rotary beams, one end of which rests on a hinged joint near end wall of a niche, are installed in the same niches. The second end of the beam rests on rail tracks via wheel supports and is connected to the end of a barrier element. Rubber blocks are fixed with one end to a vertical wall of a niche, and with the other they rest against a vertical face of a rotary beam.

EFFECT: increased reliability of a system of shock absorbers.

3 cl, 6 dwg

 

The invention relates to the field of water transport and is designed to protect the gate of the gateway from the bulk at the entrance of the ship.

Known safety devices shipping gateways, designed to protect the gate, comprising a flexible body (rope, chain), overlying navigable span and dampers that are installed on the walls of the gateway. As the shock absorbers are hydraulic cylinders with system bypass fluid (see Semanov N.A., Varlamov N.N., Bulanin CENTURIES Navigable channels, gateways, and slipways. "Transport", M, 1970, str, RES, RES) or counterweights (see ed. St. No. 872635, publ. BI No. 38, 1981).

The disadvantages of the known devices is the complexity of the system of shock absorbers, their low reliability (hydraulic) and complexity (the balances). In addition, known systems have a high inertia, which results in a moment of Nabal to significant efforts in protecting the body (rope, chain) and causes them to break.

The purpose of the invention is to enhance reliability of the system of shock absorbers.

This goal is achieved by the fact that as absorbers used rubber blocks with soft deformation characteristic ("force - deformation"), and the blocks are placed in niches on the walls of the gateway and interact with the rotating beam, which is transmitted force from naval vessels, perceived flexible body is ω (rope, chain).

The invention is illustrated in the drawing, where

figure 1 - is a plan of the location of the safety devices on the gateway;

figure 2 - site "And" system shock absorbers in the plan;

figure 3 - section I-I of figure 2;

figure 4 - shock absorbers with one issue;

figure 5 - layout of a typical tapered block;

figure 6 is a typical diagram "force - deformation" of the rubber block.

The safety device of the shipping gateway 1 to protect the gate 2 includes a flexible body 3 (rope, chain), thrown over navigable span of the gateway 1. The ends of the rope 3 fixed beams 4, which are placed in the recesses 5, 5 niches are placed on the horizontal areas of the walls of the gateway 1. The beam 4 is supported in a recess 5 on the hinge 6 and truck 7 installed on a circular path 8. On the vertical wall niches 5 attached rubber cone blocks 9. The number of blocks 9 will determine the calculated energy intensity, with blocks of low intensity and, accordingly, a small deformation is installed closer to the hinge 6, blocks with more energy by the end of the beam 4.

The distance to the place of installation of the intermediate blocks from the axis of rotation of the beam (joint 6) is determined by dependence

where Δi- estimated deformation of the i-th intermediate block;

L is the distance from the axis of rotation of the beam to the extreme (Kohn is avago) block;

Δ is the calculated deformation of the last (end) of the block.

Gateways designed for locking small vessels permitted in the bus 5 to install one unit 9, if the estimated energy intensity provides damping of the energy of the vessel (Figure 4). As the rubber blocks are used by the device company Bridgestone (Japan), Trellex (Sweden), ETC.

The operation of the device

Before entering the vessel 10 in the gateway 1 flexible covering body 3 is raised above the water level or down from the top, depending on how the pickup (not shown). How floods are known and used in practice.

The vessel 10 when Nabal on the boom 3 (rope or chain) produces tension, and the force of the strike is transferred to the beams 4, mounted on the two walls of the gateway 1. Beams 4, turning around the hinge 6 and moving in circular paths 8, compress the blocks 9, which absorb the energy of Nabal and stop the vessel 10.

After stopping the vessel 10 energy compression blocks returns the beam 4 and the flexible boom 3 (rope, chain) to its original position, which is then moved from the navigable passage in a known manner (dive to the bottom of the gateway, lifting up a steerable beam, and others), while the vessel 10 moves to the wall of the gateway and is moored.

1. The safety device of the shipping gateway installed in front of the gate, including flexible will zagraditi the capacity of the body in the form of a chain or rope, thrown over navigable span of the gateway, and system shock absorbers in the form of rubber blocks placed on the walls of the gateway, characterized in that the rubber blocks of the shock absorbers are installed in the niches placed on the horizontal areas of the walls of the chamber locks in the same niches installed rotary beams, one end of which is supported by a hinge at the end wall niches, and the second end of the beam supported on the rail path through the wheel bearing and is connected to the end of the protective body, with rubber blocks secured at one end to the vertical wall niches, while others supported in the vertical face of the rotary beams.

2. The safety device according to claim 1, characterized in that the rubber blocks installed between the wall niches and vertical face of the beam have a variable height, while blocks with a low height defined by the hinge beams, and with greater height from the side of navigable span of the gateway.

3. The safety device of the shipping gateway according to claim 1 or 2, characterized in that each rubber block is selected taking into account its estimated deformation, the distance from the axis of rotation of the beam to the axis of the block is
,
where Δi- estimated deformation of the i-th intermediate block;
L is the distance from the axis of rotation of the beam to the extreme (end) to navigable span of the block;
Δ is the calculated deformation of the last (end) of the block.



 

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FIELD: water engineering.

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FIELD: water engineering.

SUBSTANCE: invention refers to method and system of electric power generation when water levels in navigation locks change. Navigation lock uses hydraulic turbine and/or pump turbine for maintaining approximately constant value of flow velocities during water drainage through navigation lock within major portion of water transfer cycle, which leads to loss reduction of full head strength, and for recuperating unused hydraulic energy to be generated as electricity. Difference between water levels on the opposite sides of navigation lock forms the potential hydraulic energy. By controlling water drainage, full head energy losses are sufficiently reduced within this period, thus providing possibility of optimising hydraulic energy recuperation.

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FIELD: construction.

SUBSTANCE: system of shock absorbers is arranged in the form of rubber blocks installed on lock walls. Rubber blocks of shock absorbers are installed in niches arranged on horizontal sites of lock chamber walls. Rotary beams, one end of which rests on a hinged joint near end wall of a niche, are installed in the same niches. The second end of the beam rests on rail tracks via wheel supports and is connected to the end of a barrier element. Rubber blocks are fixed with one end to a vertical wall of a niche, and with the other they rest against a vertical face of a rotary beam.

EFFECT: increased reliability of a system of shock absorbers.

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FIELD: construction.

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EFFECT: higher reliability of loading-unloading in conditions of variable water levels in water body.

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