Launching complex

FIELD: shipbuilding; ship launching complexes.

SUBSTANCE: proposed launching complex has slip for ship mounted on its supports made in form of launching trolleys with technological pads mounted on them. CG of support areas and ship's CG are located in one vertical plane of slip which is perpendicular to ship's BL. Heights of technological pads are determined from the following formula: hi= hmin + Vi, where hi is height of technological pad; hmin is minimum height of technological pad, constant for all supports; Vi is height of varying part of technological pad equal to sag of each support selected from calculation of total strength of ship placed on two rigid supports under action of distributed weight loading of ship equalized by reaction forces in sections of slip intermediate supports.

EFFECT: extended operational capabilities of launching complex without its updating at retained local and total strength.

6 dwg

 

The invention relates to the field of shipbuilding, and more particularly to systems for launching ships.

Known trigger complexes, which include lifting device mounted on its supports, made in the form of shutter trucks, watercraft (see Maenchen, Naukleros "ship-carrying equipment. L, Shipbuilding, 1977, Fig.1-3).

These complexes are intended only for the descent vessels whose length does not exceed or exceeds no more than 10-20% of the length of the lifting device. It should be noted that for all dock and tripping, as a rule, are widely used technological strip (dock cells or just cells), which is clearly illustrated in RIS books mentioned Meantine, Naselesele "ship-carrying equipment.

Also known trigger complex that includes a slip with the vessel mounted on its supports, made in the form of trigger trucks with mounted them technological gaskets (see Maenchen, Naukleros "ship-carrying equipment. L., Shipbuilding, 1977, figure 5 - prototype). In the release complex prototype hull rests on two supports spaced along the length. This type of trigger complexes enables safe descent vessels with overhangs that make up 20-30% of the length of the vessel.

Fault is m such a complex is that the entire weight of the vessel is only two feet, but with significant weight of the hull strength of the supports and the bottom of the hull is not enough, as the reaction up to several hundred tons, which can lead to breakage, so the weight of the hull limit within 300-350 so

The technical result of the claimed invention is the enhanced operational capabilities trigger complex without its modernization in compliance with the conditions of supply of local and overall strength. The inventive system provides a safe descent vessels weighing about 500-10000 t if the length of the descent of the vessel up to 200% of the length of the slip.

This technical result is achieved in the inventive shutter complex, which includes a slip with the vessel mounted on its supports, made in the form of trigger trucks with mounted them technological strips, so that the center of gravity of the vessel and the center of gravity of the square of the reference areas of the supports are in the same vertical plane of the slip perpendicular to the main plane of the vessel, and the magnitude of the height of technological gaskets determined from the formula

where hi- the height of technological strips;

hmin- minimum height technological strip, constant for all the supports;

Vi- you the PTA variable of an industrial gaskets, equal to the value of the arrow bend each foot,

moreover, the above-mentioned values of the arrows inflection selected by calculating the overall strength of the vessel on two rigid support under the action of distributed weight load of the vessel, balanced reactive efforts, located in sections intermediate supports of the slip.

1 shows the inventive shutter complex, side view;

figure 2 is a top view of figure 1;

figure 3 - cross section a-a figure 2;

figure 4 - calculation scheme to determine the values of the deflections at the intermediate supports;

figure 5 - diagram of the curve of the hull on the technological strips;

figure 6 - section b-B figure 5.

Declare the trigger circuit includes a slip 1 has mounted on its supports 2 made in the form of trigger trucks with mounted them technological strips 3, the vessel 4. The center of gravity G of the vessel 4 and the center of gravity f of the square of the reference areas of the supports 2 with spacers 3 are in the same vertical plane slip 1, perpendicular to the main plane of the vessel 4.

While the magnitude of the height of technological strips 3 are determined from the formula;

where - hi- the height of technological strips;

hmin- minimum height technological strip, constant for all the supports;

Vi- height variable justitieproiectul strip, equal to the value of the arrow bend each foot,

moreover, the above-mentioned values of the arrows inflection Viselected by calculating the overall strength of the vessel 4 on two rigid support 2 (at bow and at stern truck 2) under the action of distributed weight load of the vessel, balanced reactive efforts, located in sections intermediate supports 2 slip 1.

The operation of the shutter of the complex is as follows.

Original to the vessel 1, slip 2 calculate the overall strength of the vessel 4 on two rigid support 2 (at bow and at stern truck 2) slip 1. Other intermediate support 2 (truck slip 1) are replaced by concentrated forces Ri≤[RSS],

where Δ - weight descent of the vessel 4;

n is the number of trucks 2;

i is the number of trucks 2 slip 1;

[RSS] - permissible value of the load on the trolley 2.

After calculating the overall strength of the vessel 4 stiffness E·Ji,

where: E is the modulus of elasticity of the material of the vessel 4,

Ji- moment of inertia of the cross section of the vessel (see "Handbook of structural mechanics of the ship" under the General editorship of academician Waskasoo, L., Sudpromgiz, 1960, volume 3, S. 420, 421, formula 27. 28), are determined by the magnitude of arrow deflection (bend) V iat the point of application of reaction Rias you move sections of the vessel 4 with respect to the line connecting the extreme truck (rigid supports (2).

Then determine the values of the height hitechnological strips 3 by the formula

where - hi- the height of technological strips;

hmin- minimum height technological strip, constant for all the supports;

Vi- the height of the variable part of the technological strip, equal to the value of the arrow bend each foot,

as well as the rigidity of the strips 3, which is E·F,

where E is the modulus of elasticity of the strip 3;

F - area bearing strip 3.

Then to test the impact of selected strips 3 calculate the strength of the vessel 4, in which it is considered as a beam on elastic supports (truck 2 with a gasket 3). The response received on elastic supports almost must be equal to the reactions on rigid supports.

Then, in accordance with the calculation made technological strip 3 height hiand, respectively, mounted them on trucks 2 slip 1, then mounted on a support 2 with a gasket 3 vessel 4 and, thus, trigger the complex is fully assembled and ready for the launch of the vessel 4.

Authors conducted calculations with respect to specific types of existing trigger complexes p is revealed significant technical and economic advantages of the proposed release of the complex, in which the vessel is its integral element.

The use of this complex will allow to launch vessels of considerable weight, exceeding the length owned slips about two times, without modernization of existing slips.

Trigger complex that includes a slip for a boat mounted on its supports, made in the form of trigger trucks with mounted them technological strips, characterized in that the center of gravity of the vessel and the center of gravity of the square of the reference areas of the supports are in the same vertical plane of the slip perpendicular to the main plane of the vessel, and the values of the heights of technological gaskets determined from the formula:

where - hi- the height of technological strips;

hmin- minimum height technological strip, constant for all the supports;

Vi- the height of the variable part of the technological strip, equal to the value of the arrow bend each foot,

moreover, the above-mentioned values of the arrows inflection selected by calculating the overall strength of the vessel on two rigid support under the action of distributed weight load of the vessel, balanced reactive efforts, located in sections intermediate supports of the slip.



 

Same patents:

The invention relates to the field of shipbuilding and ship repair, namely to devices for moving along the track on the territory of the shipyard blocks, modules and ships both longitudinal and transverse directions

The invention relates to shipbuilding and ship repair, and in particular to vertical slipways

The invention relates to the field of determining the state of the running path of the vehicle, namely the mobile measuring apparatus for determining the position of the path in the plan, transverse and longitudinal profiles, mainly track slips

The invention relates to systems designed to measure the spatial parameters of the rails or their deviations from the norm, and can be used to determine the surface characteristics, soil roughness artificial and natural origin in conditions that do not allow to make such measurements contact methods other than the normal atmospheric environment, limited visibility and human mobility, mainly control the underwater part of the track, designed for lifting and lowering vessels

The invention relates to the technology of shipbuilding and ship repair and relates, in particular, design of pile lifting-lowering device for heavy ships

Launching complex // 2313468

FIELD: shipbuilding; ship launching complexes.

SUBSTANCE: proposed launching complex has slip for ship mounted on its supports made in form of launching trolleys with technological pads mounted on them. CG of support areas and ship's CG are located in one vertical plane of slip which is perpendicular to ship's BL. Heights of technological pads are determined from the following formula: hi= hmin + Vi, where hi is height of technological pad; hmin is minimum height of technological pad, constant for all supports; Vi is height of varying part of technological pad equal to sag of each support selected from calculation of total strength of ship placed on two rigid supports under action of distributed weight loading of ship equalized by reaction forces in sections of slip intermediate supports.

EFFECT: extended operational capabilities of launching complex without its updating at retained local and total strength.

6 dwg

Launching complex // 2313468

FIELD: shipbuilding; ship launching complexes.

SUBSTANCE: proposed launching complex has slip for ship mounted on its supports made in form of launching trolleys with technological pads mounted on them. CG of support areas and ship's CG are located in one vertical plane of slip which is perpendicular to ship's BL. Heights of technological pads are determined from the following formula: hi= hmin + Vi, where hi is height of technological pad; hmin is minimum height of technological pad, constant for all supports; Vi is height of varying part of technological pad equal to sag of each support selected from calculation of total strength of ship placed on two rigid supports under action of distributed weight loading of ship equalized by reaction forces in sections of slip intermediate supports.

EFFECT: extended operational capabilities of launching complex without its updating at retained local and total strength.

6 dwg

FIELD: shipbuilding; device for off-slipway transportation of trans-border trolleys loaded with block-sections of ship's hull to launching position during building of ships on building berth lines.

SUBSTANCE: proposed system is provided with mechanism for motion of block-sections along building berth; this mechanism is provided with building berth trolley with cable winch mechanism for motion along rail track of building berth and mechanism for motion of block-sections from slipway to building berth. Mechanism for motion of block-sections along building berth and mechanism for motion of block-sections from slipway to berthing berth are made in form of single system provided with trans-border trolleys equipped with unified cable winch mechanism for motion of them along rail tracks. These rail tracks have at least two horizontal longitudinal branches, slipway branch and transversal branch intersecting them. Cable winch mechanisms are located on longitudinal rail tracks for motion of trolleys over horizontal section of rail tracks of longitudinal and transversal branches and slipway branch; two cable winch mechanisms of mirror arrangement are simultaneously used for motion of trolleys over inclined section of slipway branch whose haulage ropes are provided with two-fold tackle blocks and balancing cross-piece secured on trolley through tie rods.

EFFECT: increased cargo capacity of system; extended range of technological capabilities.

4 dwg

FIELD: transport.

SUBSTANCE: ship launching device incorporates a shipway with a horizontal and inclined parts accommodating tracks supporting translating dock and slipway trolleys and towing winches. The rail foundation is arranged on the line of intersection of the shipway horizontal and inclined parts, extending beyond the horizontal part and representing a balance member mounted to come from the horizontal into inclined position corresponding to that of the shipway inclination angle and vice versa, thanks to the rotating joint fitted in the vertical plane crossing the line of intersection of the shipway horizontal and inclined parts. For the balance member to be fixed in horizontal position, it is furnished with stops arranged along the aforesaid line of intersection between the shipway horizontal and inclined parts.

EFFECT: expanded shipway performances.

3 cl, 3 dwg

FIELD: mechanics.

SUBSTANCE: invention is related to the field of portal cranes with a set of elevators. To control the lift system, load distribution is determined by two holders (12, 16), lift units (20a-20f) and load connectors (34) are grouped so as for the center of gravity to fall on one group, located between the two groups, within the groups, forming a design load for each group, increasing the design load stepwise up to the design load. They check the lift system for safety, tension, movement and speed of each cable, the load imbalance. The lift system includes a number of independent units of lift drums (20a-20f) located on the two spaced holders (12, 16), load beams, cargo (L) and a cargo connector (34). The cargo connector (34) is linked to the lift drum (20a-20f) with a cable (28). The cargo synchronises the lift drums (20a-20f). Installation of marine and coastal structures is carried out.

EFFECT: increased operation efficiency.

7 cl, 11 dwg

FIELD: transport.

SUBSTANCE: invention relates to ship building and repair, particularly, to device used for ship launching from shore slip or rising it thereto. Proposed device comprises ballastable floating pontoon including ship transfer tracks to be coupled with those at inclined shore slip. Pontoon body is equipped with internal wedge-shaped recesses to house said ship transfer tracks.

EFFECT: simplified design and process.

3 cl, 2 dwg

FIELD: construction.

SUBSTANCE: ship-raising construction includes a ship-carrying trolley, precast reinforced concrete slabs, a ship-carrying track with inclined and horizontal platforms and is equipped with a metal rack for placement and movement of precast reinforced concrete slabs along it in process of construction erection. The metal rack is made in the form of a metal frame including bearing metal beams with rigidly fixed retaining planks, which form an inclined guiding upper belt /IGUB/ with higher and lower sides, at the same time the higher side of IGUB is installed closely to the coastal ledge, and the lower side is installed with a support to the underwater coastal slope, at its end there is a support of the end block rigidly fixed with the end wall. L-shaped brackets are fixed to the lower side of each precast reinforced concrete slab. In the middle part of each reinforced concrete slab there is a hole for supply of concrete mix. Also the method is proposed to erect a ship-raising construction.

EFFECT: increased resistance of a ship-raising construction to erosion and abrasive effect of drifts.

4 cl, 5 dwg

FIELD: transport.

SUBSTANCE: proposed structure comprise beach wall, floating balloons with ballast system and hinged platforms secured at the wall by pivot joints with horizontal turn axis tat feature concaved cylindrical bearing surfaces of one curvature radius whereat wheeled tricks are mounted. It comprises at least two rows of platforms with parallel rotational axes spaced apart over beach wall height. Platforms of every row incorporate turn control mechanisms, edge guards to limit carriage displacement and are shifted relative to platforms so that at mutual turn they are located between platforms to be conjugated with said cylindrical surface. Beach wall is equipped with recesses to house turning platforms.

EFFECT: higher performances.

2 cl, 3 dwg

FIELD: shipbuilding.

SUBSTANCE: invention can be used in shipbuilding and ship repair enterprises in inspection and repair of ships. For transverse lifting and lowering into water before or after start of ship dock along perimeter of territory, which is derived and there is a vessel, and with several sides dock set dense watertight enclosure forming a closed territory. Inside dock water is pumped to level above open dock side. Water is lowered and ship is lowered at keel blocks. Ship is lowered by raising water level in dock and adjacent territory together with ship to ship surfacing. Vessel is discharged on territory dock and water is lowered to initial level.

EFFECT: reduced labour input during lifting and lowering of ship into water.

1 cl, 2 dwg

FIELD: transportation.

SUBSTANCE: method is proposed for lifting a vessel to the horizontal slipway-deck, where the vessel is directed to the salvage equipment with the ship-carrying equipment mounted thereon, then the ship-carrying equipment moves the vessel to the horizontal slipway-deck, wherein the pneumatic roller-bags are used as a ship-carrying equipment, and a barge of the required size is used as a salvage equipment, which is moored to the pier by its nose before directing the vessel to the salvage equipment, and the stern is drowned till the barge stern is on the ground, the barge is ballasted on an even keel after directing the vessel to the salvage equipment, and then the barge, with the ship-carrying equipment mounted thereon, on which the vessel is located, is transported to the pier of the horizontal slipway-deck.

EFFECT: method for lifting a vessel simplifies the vessel lifting to the horizontal slipway-deck, because it does not require construction of an additional salvage device with rail oblique ways including surface and underwater areas.

4 dwg

Launching complex // 2313468

FIELD: shipbuilding; ship launching complexes.

SUBSTANCE: proposed launching complex has slip for ship mounted on its supports made in form of launching trolleys with technological pads mounted on them. CG of support areas and ship's CG are located in one vertical plane of slip which is perpendicular to ship's BL. Heights of technological pads are determined from the following formula: hi= hmin + Vi, where hi is height of technological pad; hmin is minimum height of technological pad, constant for all supports; Vi is height of varying part of technological pad equal to sag of each support selected from calculation of total strength of ship placed on two rigid supports under action of distributed weight loading of ship equalized by reaction forces in sections of slip intermediate supports.

EFFECT: extended operational capabilities of launching complex without its updating at retained local and total strength.

6 dwg

FIELD: transport.

SUBSTANCE: invention relates to ship building and repair, particularly, to device used for ship launching from shore slip or rising it thereto. Proposed device comprises ballastable floating pontoon including ship transfer tracks to be coupled with those at inclined shore slip. Pontoon body is equipped with internal wedge-shaped recesses to house said ship transfer tracks.

EFFECT: simplified design and process.

3 cl, 2 dwg

FIELD: transport.

SUBSTANCE: proposed structure comprise beach wall, floating balloons with ballast system and hinged platforms secured at the wall by pivot joints with horizontal turn axis tat feature concaved cylindrical bearing surfaces of one curvature radius whereat wheeled tricks are mounted. It comprises at least two rows of platforms with parallel rotational axes spaced apart over beach wall height. Platforms of every row incorporate turn control mechanisms, edge guards to limit carriage displacement and are shifted relative to platforms so that at mutual turn they are located between platforms to be conjugated with said cylindrical surface. Beach wall is equipped with recesses to house turning platforms.

EFFECT: higher performances.

2 cl, 3 dwg

FIELD: shipbuilding.

SUBSTANCE: invention can be used in shipbuilding and ship repair enterprises in inspection and repair of ships. For transverse lifting and lowering into water before or after start of ship dock along perimeter of territory, which is derived and there is a vessel, and with several sides dock set dense watertight enclosure forming a closed territory. Inside dock water is pumped to level above open dock side. Water is lowered and ship is lowered at keel blocks. Ship is lowered by raising water level in dock and adjacent territory together with ship to ship surfacing. Vessel is discharged on territory dock and water is lowered to initial level.

EFFECT: reduced labour input during lifting and lowering of ship into water.

1 cl, 2 dwg

Up!