DE1506765C3 - Device for closing hatches, especially on ships - Google Patents

Description

3 4

attached so that it is against soiling, mechani- plate 16 via supports 30 around the axis 46 in one

see damage as well as weather influences. One at the end

is protected and does not create any risk of accident. 29 of the plate 16 firmly arranged lever arm 45

A preferred embodiment of the invention engages under the pivot joint 46 of the plate 16 on

for closing smaller hatches only two hatch coaming 33 can be seen. The lever arm 45 is fork-shaped.

Closure plates in front, the cable pull being formed in the ver, with two between the legs 47, 48

Final position between the center of one of the pulleys 52 rotatable side by side on one of the plates

and their articulated connection as perpendicular as possible axis 53 are mounted. Below the hatch cover

is led right to the pulling device. Finally, there are two pulleys 54 next to each other

Conveniently, pulleys for the io are mounted on the hatch coaming 33. The cable 60 is in the Cable in the farthest way from the fixed articulation point around the pulleys 52 and 54 that removed plate axparallel to the pivot axis this creates a simple pulley. The power of this Plate and between the pivot axis and the pulley block acts on the free end of the lever plate center of gravity and further pulleys in the arms 45, which pivot the plate 16 around the joint 46 at a distance from the pivot axis in the next following manner that the plates 15 and 16 roof Plate arranged. Which are folded up when opened and closed. The pulley is ßen of the hatches between the plates and hatch edges designed so that the number of rope windings the The weight and size of the plates 15 and 16 can be adapted to the frictional forces that occur reduce the fit of the plates by means of wheels.

are movably supported on guide rails. The 20 inside the plate 13 is between the gravity

pivoted up and swung together in pairs of the plate and the pivot axis of the between

benen plates are expediently in their the plates 13 and 14 arranged hinge 25

Locked open position. In a further embodiment, i_e | ne lifting roller 66 is rotatably mounted. Another in the

According to the invention, the first to be moved plate body mounted sliding roller 65 can be prevented

Plates are each designed to be lighter than the da- a.S-.S. rubbing of the cable 60 with the plate on the back

for plates to be moved. pass through the opening 63. Furthermore, in the

Embodiments of the invention are based on plate 13 between the lifting roller 66 and its front

standing on the basis of the drawing explained in more detail. In Ren free end 28, a pulley 67 is mounted. In

the drawing shows ^ -: the plate 14 are on both sides of the pulley

Fig. 1 is a perspective view of a hatch 30 69 guide rollers 68 and 70 arranged that the cable

Guide the lock with four lock plates in the .. -60 around the pulley 69 and put the rope under-

Closed position,, ^ half of the hatch lock 10 lead. The roles 67,

F i g. 2 shows a longitudinal section on an enlarged scale- '68 and 17 and the grooved element 71 are shown

rod through the hatch lock according to Fig. 1, - «- compared to the bottom of the plate body in such a way

F i g. 3 a longitudinal section through the hatch regulation 35 arranged so that the rope does not touch it and the

Conclusion after Fig. 2 in its open position, · numerous parts of the lock like a bridge

F i g. 4 a longitudinal section through one only spanned from, so that the plates around their pivot two Allow the panels to pull together the existing hatch lock and axles. The rope 60 is off

F i g. 5 shows a longitudinal section through the hatch ver- the plate body 13 and with a

Finally according to FIG. 4 in its partially open .40 eye 62 with which it is used for actuation

Position. hang the hatch lock on a hoist

In the F i g. 1 and 3 of the drawing is one of four leaves.

Plates of existing hatch lock 10 for connection. 4 and 5 of the drawing is one of two

close an opening or a hatch 11 in the deck panels existing hatch lock shown. the

of a ship, for example in an intermediate deck 45 panels 81 and 82 have a conventional box conveyor

12. The hatch lock 10 consists of moderate frames. They are bumped against each other-

four adjacent panels 13, 14, 15, 16 the front edges 87 and 88 via hinges 89

together. These plates are connected to one another in a conventional manner. These hinges allow

and have a steel girder frame. The plates pivot the plates 81 and 82 around

are on their abutting sides by 180 ° 50 180 ° against each other. The plate 82 is about the axis

To each other, articulated and pivotable to one another, fixedly mounted on the hatch edge. The free

bound. The plates 13 and 14 are at their end 94 of the plate 81 is supported on the plate

on the abutting sides 8, 9 wheels 93 mounted on one another via hinges 25 on guide rails 95

steered other and form a front pair of plates. Inside the plate body 81 is a lifting roller

22. The plates 15 and 16 are at their one another 55 100 between the center of gravity of the plate and the

lying sides 6.7 by hinges 26 hinged edge 87 mounted close to the edge 87. In the

connected to one another and form the rear plat- plate 81 is an opening in the area of the roller 100

pair of plates 23. The two pairs of plates 22 and 23 are provided 104 for the cable 119 to pass through. At the

on their abutting sides 4,5 through plate 82 is between the edge 88 and their

Hinges 27 are connected to one another in an articulated manner so that a guide roller 105 is arranged in the center of gravity 60. The rope

that, as shown in FIG. 3 can be seen, accordion- 119 lifts the plates 81 and 82 mainly above

can be folded up. In the area of the roll 100 . The roof-like swiveling up

Joint 27 and at the free end 28 of the hatch and pushing together the panels is through the

Lock 10 are on supports 36, 39 wheels 35, 37, arrangement of the guide roller 105 between the heavy

38 mounted, which run on guide rails 40, the 65 point of the plate 82 and the pivot axis 107 and

is supported over the length of the hatch 11 along the side thereof. Inside the plate 82 is a roller 106

extend the edges. between the roller 105 and the free end 91 to

The deflection of the cable 119 is arranged at the end 29 of the hatch lock 10. The rope

119 is shown in the FIGS. 4 and 5 guided around the rollers 100, 105 and 106 as can be seen. The The end of the rope 119 is attached to the plate 81 with an eye bolt 121 which is screwed to a support 122 is attached. The rope is diverted through the fixed groove guide 120. For lifting the hatch lock the free end of the rope 119 or the eye bolt 123 to a ship's crane or another hoist attached. When the drive is wound onto the winch, tension is applied exercised the cable. As a result, a vertical force is transmitted to the lifting roller 100, which the Raising the plates 81 and 82 over the hatch opening 11 causes. Will continue on the cable 119 exerted a tensile force, the plate 82 pivots about its axis 92 and the plate 81 folds against the Plate 82. The plates 81 and 82 are suitably joined to one another after their complete opening locked, for example by the from FIG. 3 he

Lo visible pawls 41 and bolts 43.

1 sheet of drawings

Claims (6)

1 2 steers, wear pulleys on their underside, about claims: the s'e by a cable attached to a plate from its horizontal lock into a vertical one 1. Device for closing hatches open position are movable, the cable especially on ships in which articulated 5 engages parts of the plate that are in öffmit each other connected locking plates, from opening position upper plate connecting joints which the outer one is hinged to the hatch edge, to lie at a distance, and the hauling part of the pull rope to their underside carry pulleys, over which they a guide pulley in the plate and then through through a cable attached to a plate, geaus an opening in the plate to the pulling device its horizontal closure leads into a vertical io. right opening position can be moved, whereby the one consisting of four locking plates front Cable pull engages parts of the plate, which is of the direction of this type from the British patent Open position of the upper plate connection script 655 199 known. In this known articulation away, and the fetching part direction is the opening rope from the one at the hatch edge the cable to a guide pulley in the plate and 15 hinged plate to a behind the shutter then guided through an opening in the plate the ship deck arranged winch, wherein is guided to the pulling device, thereby identifying the main opening forces by a pulley block, that the cable pull (60) in which engages in each case at the ends of the outer locking position between the middle of the inner hinged plates Plate (13) and its articulated connection (25) 20 and this pushes together like an accordion. Down next plate as perpendicular as possible from the point of view of the high rope forces that occur Plate (13) is guided to the pulling device and the opening forces are so low that those with the outside Plate (16) on the hatch edge side under the r- ^ enrand hinged closure plate through its swivel joint (46) on the hatch coaming (33) "" pulls the winch into a downward sloping lead Has lever arms (45) on which a minimum of 35-_rung is pulled in such a way that an opening at least two pulleys (52) are arranged, supporting torque is generated. In spite of Via the pull rope (60) to the hatch coaming (33) of this auxiliary structure the additional structural attached pulleys (54) is performed. Requires effort, the pull rope is especially 2. Device according to claim 1, characterized in that - =? ^ special during the first opening phase, in which indicates that only two closure plates (81, 30 can only achieve small opening torques las-82) are provided, the cable (119) in. Sen, very heavily used by high tensile forces,
the closed position between the middle of a., ^ The object of the invention is to provide a device of the plates (81, 82) and their articulated connection for opening and closing of foldable hatch ends (107) as perpendicular as possible to the Zugvorrich- --- cover create that is guided with lower rope tension. 35 th can be operated. 3. Device according to claims 1 and 2, · According to the invention, this object is achieved in one characterized in that deflection pulleys (100, device of the type described at the beginning, 66, 67) for the cable pull (60, 119) in the most widely, that the cable pull in the closed position between the center of the inner plate and its gelenki plate (13, 81) away from the fixed articulation point (46, 92), axparallel to the pivot axis (25, 4 ° towards the connection to the next plate, as low as possible 107) of this plate and between the pivot right from the plate to the pulling device axis and the plate center of gravity and further and the outer plate on the hatch edge side under pulleys (106, 68, 69, 70) at a distance from their pivot joint on the hatch coaming reaching lever of the pivot axis ( 25, 107) in the next sequence arm. which two pulleys are arranged angeordden plate (14, 82). 45 net, via which the pull rope to be attached to the hatch coam- 4. Device according to one of claims 1 continuous pulleys is guided. The invention 3, characterized in that the plates moderate cable guide creates particularly favorable attachment (13, 14, 15, 81) by means of wheels (35, 37, 38, 93) grip points for the force components, so that the Movable on guide rails (40, 95), the stress on the cable pull is reduced. Through are based. '50 the removal of the cable from a 5. Device according to one of claims 1 circuit plate near the articulated connection with the to 4, characterized in that the following is a large lever arm for initiation pivoted and pushed together in pairs created the opening torque at which the NEN plates lockable in their open position, the opening force acts almost vertically. That for are. 55 opening torque is still required in 6. The device according to claim 1, characterized in that the first moving plates according to the invention, the outer plate on the hatch (15, 16) are each lighter than the one on the edge of the one reaching below their pivot joint moving. Has lever arm on which the 60 testified opening force attacks. After initiating the opening movement, this is required for opening Torque increased by the fact that the cable pull also on the remote from the articulated connection Attacks parts of the plates and thus to The invention relates to a device for creating an additional torque on one close hatches, especially on ships, when the platdenes are pushed together more and more articulated interconnected locks enlarging lever arm acts. The entire opening plate, the outer opening mechanism on the hatch edge is under the locking plates