SU1291490A1 - Launching-lifting gear for buoyant apparatus - Google Patents

Abstract

The invention relates to shipbuilding, in particular to ship devices for launching and lifting watercrafts from water. The aim of the invention is to increase the reliability of the device in operation by improving 13 (L Is5 QD CO TH / g

Description

conditions for the implementation of the process forging, as well as avoiding jerks in the cargo ropes under rough sea conditions. The device consists of an articulated boom 2 mounted on the deck of the vessel, a lever 4 and a telescopic boom, which includes an external element 6 with a lodgment 7 and an automatic capture 8 and an internal element. The inner element consists of separate sections 10 forming between themselves rotational pairs. A cargo automatic gripper 13 is fixed to the inner element. The inner element is driven by a rope 19 of the cargo winch 18. A cable guide 15 of the trailing winch 16 passes through the inner element and the hook 13;

The invention relates to shipbuilding, in particular to ship hoisting devices (SIS) for launching and lifting boats and other floating craft from the water.

The purpose of the invention is to increase the reliability of the device in operation by improving the conditions for carrying out the docking process, as well as eliminating jerks in the cargo cable under rough seas.

FIG. 1 is a side view of the STC; in fig. 2 - the same, at the time of capture of the craft; in FIG. 3 - section A-A in FIG. one; in fig. 4 is a section BB in FIG. 3; FIG. 5 — section BB in FIG. one; in fig. 6 is a view of FIG. five.

The device comprises a boom 2 hinged to the butts 1 mounted on the deck of the ship. The boom is driven by a hydraulic cylinder 3. With the boom 2 pivoted to rotate in the plane of the boom a lever 4 is connected, the driving cylinder is a hydraulic cylinder 5. With the lever 4 hinged Also, with the possibility of rotation in the plane of the boom, the telescopic boom is connected, restraining the outer element 6 from the downstream of the lifting rod of the craft. The device is equipped with a drive wedge gripper installed in the outer element 6. The working surfaces of the gripping wedges, when lifting the craft on the deck, mate with the surface of the inner element. When the craft is raised to the deck, the telescopic boom is carried out. cargo boom 2 and lever 4 overboard. The free end of the cable-conductor 15 winds on the lifting rod of the watercraft and after switching on the winch 16 to the rope 15 by the winch 18, the internal element with the gripper 13 is lowered. 6 Il.

7 and an automatic gripper 8. Inside the outer element 6, coupled with the guide rollers 9, the inner element moves, consisting of separate sections 10 pivotally through axes 11 interconnected in such a way that each section forms rotational pairs with two adjacent sections, and

The axes 11 of these pairs are perpendicular to each other. Inside sections 10, there are installed gateways 12. In the lower part of the inner element, an automatic load grip 13 is installed. The possible rotation angle of the individual sections 10 is one relative to another such that the maximum angles of rotation of the inner element relative to the vertical do not exceed 15. the inner member with the gripper 13 passes the cable conductor 15 of the trailing winch 16 mounted on the deck of the vessel. The rope-conductor 15 bends around the pulley l) on the external element 6, passes inside the internal element with the gripper 13 and fastens on the lifting rod when the object is lifted from the surface of the water

object.

The drive of the internal element of the telescopic boom is the cargo winch 18 with the cargo tank atom 19, the envelope of the pulley 20 on the external element and fixed on the upper section of the internal element.

In the outer element 6, a wedge grip is installed, consisting of wedges 21 mating with the inner tube, moving in direction 22 and connected with the drive. The wedge drive includes a hydraulic cylinder 23 and levers 25 and 26 connected to the spring 24.

When an object is raised on board a ship, the device operates as follows (Fig. 2).

The boom 2 by the hydraulic cylinder 3 is thrown overboard. By means of the hydraulic cylinder 5 of the lever 4 and the hydraulic cylinder 14, the telescopic boom is mounted vertically to the position required for lifting the object. At the same time the hydraulic cylinder

14 does not allow the boom to swing

c in the plane perpendicular to the axis of the hinges attaching this boom. The following winch 16 pits off the cable conductor 15 and the latter is connected, for example, by a scuba diver with a lifting rod of the object. After this, winch 16 wraps around the cable guide and is automatically included in tracking. The hydraulic cylinder 23 removes the wedge 21 from contact with the surface of the inner member. There is also an automatic capture 8. The winch 18 bites the rope 19 and the inner member lowers over the tight rope onto the object. Since the inner element, the exit from the outer element 6, acquires sufficient gib- and the weight of the individual sections 10 is relatively small, the gripper 13 during the entire lowering of the inner element has a direction corresponding to the direction of the lifting rod on the object. Therefore, the gripper 13 must dock with the lifting rod of the object without fail.

After the object is automatically captured, the winch 16 is turned off from tracking, and the cargo winch 18 begins to lift the inner element of the telescopic boom together with the object from the surface of the water. At the same time, the hydraulic cylinder 23 releases the wedge 2 and the latter, under the action of its own weight and the spring 24, moving in the guides 22, mate with the surface - inside of its element. If the inner element does not rise fast enough, the wave can lift the object together with the inner element, and the slack is formed in the cargo cable 19. After the wave leaves, the inner element tends to go down under the action of gravity of its own and the object. The frictional force between the surface of the inner element and the wedges 21 causes the wedges to descend in the guides 22, self-jamming of the inner element occurs and it stops. Jerk in the cargo to, 19 will not. After picking up the slack in the rope 19 with a winch 18, the object continues to rise. The wedge 21 in the direction of lifting the inner element does not prevent its movement. In the upper position of the inner element, the object mates with the lodgement 7 and is captured by the automatic gripper 8. With the hydraulic cylinders 3 and 5 filling the boom and the hydraulic cylinder 14 holding the telescopic boom in a vertical position, the object is placed in a designated place on the ship's deck.

The object is lowered in reverse order.

Claims (1)

Invention Formula Launching device for floating craft, including a cargo boom hinged on the deck of the carrier ship, a telescopic boom hinged on the cargo boom hitch, on the outer element of which an automatic grip is fixed, and on the inside element - a cargo automatic grip and a cargo rope with a drive, and Also, the node for limiting the swinging of the telescopic boom in the plane perpendicular to the hinge axis of the connection of both booms, is different from the fact that, in order to increase the reliability of the device, ones by improving the conditions of the joining process, and also avoid jerks in the load rope in the sea conditions of excitement, it comprises stabilizing watercraft node in automatic capturing, designed as a cradle, ustanovlen1291490 on the outer element of the telescopic boom with the ability to interact with the body of the craft, and the device for removing the craft from the top of the wave, made in the form of a wedge grip mounted on the outer element with the ability to interact with the inner element of the specified telescopic boom, and The inner element of the latter is made up of separate sections interconnected pivotally, with the axis of the hinged connection of each odd-even section with an even perpendicular axis of the hinged connection of the even section followed by an odd, and the upper section connected to the cargo cable. FIG. one nineteen 15 fff .one /five fej Sh jt didg - ig.5