Pontoon link

 

(57) Abstract:

The invention relates to crossing-bridge means, and more specifically to the ferries and pontoon bridges. Pontoon link contains pivotally interconnected two medium and two extreme pontoon folding gangways, forming a folded position flat roadway bridge, misbelieve butt sites, made in the form of a fork with a locking pin and ear and installed on both the transom link, a power beam rods. New pontoon link is that it is on one side of the link of the boat pontoons made with toboggan lines, while misbelieve butt nodes installed in the niches flush between the lines, and at application level in the floating part of the bridge to the ear and the plug can be articulated power beams, ending on the other side, respectively, of the plug and the ear on each power beam fixed thrust, which other end is attached to the deck of the power beam pin lock. Pontoon link has a high capacity and improved conditions of aerodynamics section during the movement of coastal transom forward, and therefore less resistance to movement. 1 C.p. f-crystals, 7 Il.

The image is Known coastal link pontoon Park special PPS-84, containing two middle and two at the hinge of the United pontoon with the roadway, folding gangways and misbelieve butt nodes that are installed from the side of the river transom [1].

The disadvantage of this link is that it is structurally adapted for use in the river part of the floating bridge.

It is also known pontoon link containing pivotally interconnected two medium and two extreme pontoon folding gangways, misbelieve butt sites, made in the form of a fork with a locking pin and ear and installed on both the transom link [2].

The disadvantages of this link is great resistance to the movement of water due to poor aerodynamics and low capacity, due to the large mass of the folding gangway, as well as the necessity of lifting the end portion of the link out of the water when using it in the bow of the ferry.

The objective of the invention is to improve the aerodynamics of the link when moving onshore transom forward and increase its carrying capacity when used in the composition of the ferry and the river part of the floating bridge.

The solution of the stated problem is achieved by the fact that in pontoon link containing pivotally connected between the two output pins and ear and installed on both the transom link, with one side of the boat pontoons made with toboggan lines, while misbelieve butt nodes installed in the niches flush between the contours and closed lids and folding gangways form in the folded position flat roadway of the bridge. When applying the link in the floating part of the bridge to the ear and the plug can be articulated power beams, ending on the other hand, respectively, ear and fork and fixed in a horizontal position thrust platica on each power beam fixed thrust, which other end is attached to the deck of the power beam through a pin lock.

Calculations show that the capacity of the proposed pontoon link at a length of 9 m is 24,6 m3at the same time , the capacity of the known link pontoon bridge of the same length when used in river side of the bridge is 14 m3, i.e., 75% less. When applying the same level of the prototype in the bow of the ferry carrying capacity it is assumed to be zero due to the necessity of lifting the end portion of the link from the water. In addition, the resistance to movement of the pontoon level less than 7% compared with the prototype due to the smaller fuselage mid-section of the IOM, view from the transom of Fig.2 - the average pontoon with a raised ramp, side view; Fig.3 - pontoon link in the floating bridge of Fig.4 - link, prepared for use in the river part of the floating bridge, a view from the transom; Fig. 5 - butt site (plug with locking pin) pontoon link river link; Fig. 6 - butt site (ear) pontoon link river link; Fig.7 - pin lock rod.

Pontoon link contains pivotally interconnected two medium 1, 2 and two at 3, 4 pontoon folding gangways 5, forming a folded position flat roadway bridge, misbelieve butt sites, made in the form of a fork 6 with the locking pin 7 and the ear 8 and installed on both the transom link, power beams 9 and 10 rods 11, which are used when applying the link in the floating part of the bridge. On one side of the link of the boat pontoons made with toboggan lines, while misbelieve butt nodes installed in the recesses 12 and are closed by caps 13 and 14. Power beam 9 ends thereof, the side of the ear 15 and on the other fork 16. The plug is welded to the thrust platic (not shown). To the beam 9 to the ear 15 is fixed rod 11. Power beam 10 is different from the beam 9 so that it thrust 11 attached near the fork 16. On the deck of each average panstwa pin lock 19.

The device operates as follows. When using a pontoon link in the ferry it is installed in its end part of the transom with toboggan lines forward. Steam is coming to the shore gangways 5 by crane-struts 20 are laid on the shore and the ferry is loaded technique. After loading equipment gangways 5 by crane-struts 20 are lifted above the water and held in this position until the arrival of the ferry to the place of unloading equipment. Then gangways down to the shore and equipment unloaded.

To use the pontoon level in the river part of the floating bridge to mezzogiomo butt node (CCS 8) positioned by sliding rim, attached via pin 21 with a fork 16 power beam 9 installed on it thrust 11. Thus platic holds power beam 9 with a thrust of 11 in a horizontal position. Another power beam 10 with a pull 11 is fastened also with a fork 16 to the ear 8 river link 22, which will be pristykovatsya pontoon link. These operations are performed when placing links on transport vehicles. After unloading pontoon and river level 22 on the water they are to each other the transom, have power beams 9 and 10 and misbelieve butt nodes close to the pins is Urevich locks 19. Trip pontoon and river links in the reverse order.

1. Pontoon link containing pivotally interconnected two medium and two extreme pontoon folding gangways, misbelieve butt sites, made in the form of a fork with a locking pin and ear and installed on both the transom link, characterized in that it is on one side of the link of the boat pontoons made with toboggan lines, while misbelieve butt nodes installed in the niches, flush between the contours and closed lids and folding gangways form in the folded position flat roadway of the bridge.

2. Pontoon link under item 1, characterized in that the application link in the floating part of the bridge to the ear and fork pivotally attached power beams, ending on the other hand, respectively, ear and fork and fixed in a horizontal position thrust platica on each power beam fixed thrust, which other end is attached to the deck of the power beam through a pin lock.

 

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