SE514913C2 - Locking and lifting device for container - Google Patents

Abstract

The present invention relates to a combined locking and lifting device for a container (1) of storage type. The device comprises protruding front ends of supporting beams (2, 3), first and second locking beams (7, 8), a yoke (9) and first, second and third locking cases (10, 11, 12). The first and second locking cases (10, 11) are welded to the ends of the supporting beams (2, 3) and to the container structure above the doors (4, 5) respectively. The locking beams (7, 8) are mounted on the doors (4, 5) on bolts provided with resilient distance sleeves for achieving a certain degree of movability. The locking beams (7, 8) are joined with the yoke (9), which is pivoted in a hinge (14) on the first locking beam (7) and locked in the third locking case (12) on the second locking beam (8). First and second plates (16, 20) hide the access openings (50) on the locking beams when the device is in a locked position. An adapter for a hoisting hook (not shown) can be applied to the yoke (9) and the container can be hoisted on board a vehicle. A stationary use the access opening (50) on the yoke (9) is covered by a locking clamp (22).

Description

25 30 i 514 912 »Under the axle there are longitudinal beams connected to a transverse beam for axing the axle on the vehicle.

Containers can also be lifted and loaded using a forklift. However, a truck for lifting a fully loaded container must be of significant size and also requires a truck driver.

The reported devices for loading containers mean that special and more or less stationary equipment such as cranes or traverses must be used. Extra staff is also required for maneuvering the lifting aids.

For practical reasons, it is appropriate that the container when unloading at, for example, a construction site can be placed with its non-doored end as close to a wall as possible or together with other equipment so that the container takes up the least possible space. If the container is placed on a platform of the above-mentioned type, the problem arises that the doors end up behind the front part of the container platform where the lifting yoke is located and consequently cannot be opened. Placing the container on the fl sheet with the doors facing backwards is inappropriate in the related case, as the vehicle must then be provided with sufficient space to drive in and unload the container and then be driven away.

Since containers, which are used as storage or for portable facilities of various kinds, are provided with doors in one end, it is, as previously mentioned, desirable that the doors can be locked and locked in an efficient manner. Reading usually takes place with a beam that is placed over the closed doors and which can be equipped with, for example, a stable padlock. Such an arrangement is vulnerable because the vital parts are often easily accessible with fracturing tools or cutting tools.

In order to solve the above-related problems of additional loading and locking of containers, it would be desirable that the lifting device for cargo hook could be mounted directly in the structure of the container, on its door side. Since the locking device for the container doors must also be located on the outside of the doors for natural reasons, problems arise because the two devices interfere with each other.

The lifting device, which must be strongly dimensioned, must thus be able to be removed after unloading the container at the intended place after unloading the doors and the locking device. The object of the present invention is to provide a single device which eliminates the above-mentioned disadvantages of known solutions for loading and locking containers of the type used as storage or for facilities of various kinds and which allows efficient locking and locking of the doors on the container and at the same time allows the use of a lifting hook of known type when loading and unloading the same. The object is achieved with a device characterized in that first and second locking beams arranged on the doors with externally accessible first inner locking mechanisms with their ends are fixable in opposite first and second pairs of locking shoes, attached to the container structure above the doors and to projecting ends of the support beams and below. that the locking beams in fixerted position are connected to each other by means of a yoke, the first end of which is pivotally arranged in a hinge on the first locking beam and the second end of which via an externally accessible second inner locking mechanism is fixerable in a third locking shoe on the second locking beam when the yoke is pivoted up and into the third locking shoe, the first locking mechanisms being inaccessible from the outside and the second locking mechanism being protected by a lockable shackle which, when lifted, is replaced by an adapter for a lifting hook for loading and unloading the container on a vehicle. The object is further achieved with the detailed solutions of the invention which appear from the features in the subclaims. A preferred embodiment of the invention will now be described in more detail with reference to the accompanying drawings, in which Fig. 1 shows a complete locking and lifting device for a container and the device mounted on a container Fig. 2 Fig. 3 shows a second locking beam Fig. 4 shows a second locking beam Fig. 5 shows a locking mechanism Fig. 6 shows a locking bar adapter Fig. 7 shows a preferred embodiment of the invention applied to a container 1 (see inset reduced image). Below the container are in a known manner first and second support beams 2 and 3, welded to its bottom, along the entire length of the container.

Such support beams are also present on the initially mentioned fl sheets so that they can be pulled up on and fi xerted on a vehicle. The beams are in the rear part, also in a known manner, connected to a transverse beam (not shown), which can be hooked into hooks existing on the truck for fixing the container to the vehicle. In a short side of the container there are two doors, 4 and 5. The device 6 according to the invention comprises the following main parts: projecting ends of the support beams 2 and 3, first and second locking beams 7 and 8, a yoke 9 and first, second and third locking shoes 10, 11 and 12. The locking shoes 10, 11 and 12 are identical and have a right-angled parallelepipedic shape with first and second open facing sides. the front end. At the projecting ends of the support beams 2 and 3, the first locking shoes 10 are welded with their first openings directed forwards and their second openings directed upwards. At the front of the upper edge of the container, opposite the first locking shoes, the second locking shoes 11 are welded in the structure of the container. The second locking shoes 11 are identical to and mirrored to the first locking shoes 10, so that the locking shoes have their first openings directed forwards and the second openings towards the second openings on the locking shoes 10. 10 15 20 25 30 l å 514 913 5 On the doors they are first and second locking beams 7 and 8 are arranged in that a number of keyhole-like openings 13 are made on the rear side of the beams, in which main-provided bolts (not shown) fastened in the doors can be inserted and locked. On the bolts between the locking beams and the door leaves there are elastic spacer elements (not shown), which cause the locking beams to come a short distance from the door leaves and obtain a certain mobility relative to the bolts and thus the door leaves.

The locking beams have a length so that their respective upper and lower ends are pushed into the locking shoes 10 and 10, respectively. 11 when doors 4 and 5 are closed.

On the second locking beam 8, the third locking shoe 12, which is identical to the locking shoes 10 and 11, is applied at approximately half the height of the locking beam. The locking shoe is mounted so that it has its first and second open sides downwards resp. towards the first locking beam 7. In the side of the second locking beam, which faces the first locking beam, opposite the third locking shoe 12, there is a round hole 50, which is intended for maneuvering a locking mechanism (Fig. 5).

On the first locking beam 7, slightly above half the height, a hinge 14 is applied. In the hinge is a first end 15 of the yoke 9, which is of the same rectangular profile as the locking beams, arranged by means of a lever in the form of a first plate 16. The length of the plate lever is such that when the yoke 9 pivots upwards so that a second end 17 the yoke is slid from below into the third locking shoe 12 on the first locking beam 7, the yoke assumes a horizontal position and the first plate 16 abuts the outside of the second locking beam 8. In the plate at least two holes 18 are received, in which on the outside of the pins 19 (fi g. 4) arranged on the second locking beam are pushed in when the yoke is swung up to a horizontal position. The hole 50 on the second locking beam is thus inaccessible when the yoke is swung up to a horizontal position.

On the yoke, at the first locking beam 7, there is a second plate 20, which when the yoke is swung up, covers the hole 50 in the first locking beam and also makes this inaccessible.

At the back of the yoke, at a distance from each other, two low guide rails 21 are welded.

The intention is to be able to slide down a locking bar 22 (see 7 g 7) between these to cover the hole 50 in the yoke when the container is to be locked. Holes 23 are provided in the ends of the locking bar fl which extend below the yoke for application of an applicable locking device. 10 15 20 25 30 - "u-ves-.wfs« -., ~ - * '? ~ ”" ÄfcwíIrwn 514 915 l fi g. 2 shows two perspective views of a locking shoe 10, 11 resp. 12. All five locking shoes are identical and of a right-angled parallelepiped 24 with the same length as the height of the lock of the locking beams. On the inside of the side walls on the first open side, guides 25 are designed or welded, which are chamfered from the outside and inwards to guide the ends of the locking beams and the yoke when the doors are closed. The inner edge of the guides forms abutment surfaces 26 which have a slight inclination inwards from the other open side towards the opposite covered side to guide during locking a locking pin 36 (fi g 5) so that the ends of the locking beams and the yoke are pressed against the container and first locking beam. . Fig. 5 shows separately a locking mechanism 28, which is intended to be mounted inside the locking beams 7 and 8 (the description also applies to the single-sided mechanism which is mounted in the yoke 9). The mechanism consists of a wheel 29 through which a hollow shaft 30 is mounted with a press fit. The shaft has an internal key grip 31, splines or the like, so that it can be operated with an external tool 32 through the round holes 50 in the locking beams and the yoke.

Rods 33 and 34 are articulated to the wheel at diametrically opposite points near the periphery of the wheel. At the ends of the rods are sliding blocks 35 of plastic with such a shape, round or parallelepiped disk, that they can slide back and forth unhindered inside the locking beams 7 and 7, respectively. 8 when the wheel 29 is rotated with the tool 32. Locking pins 36 extend through the sliding blocks 35, which run in slots 37 in the sides of the ends of the locking beams and project so far that they are guided into the locking shoes 10, 11 and 12, behind the abutment surfaces 26 and slide in between the ends of the locking shoes 7, 8 when the wheel 29 is rotated and pushes out the sliding blocks 35 to the ends of the locking beams.

Through the inclination of the stops, the locking pins and thus locking beams and yokes are pressed against the container resp. the first locking beam. The ends of the locking beams 7 and 8 in the locking shoes 10 and 11 and the other end 17 of the yoke 9 in the third locking shoe 12 are thereby fastened, the ends of the locking pins being covered by the ends of the respective locking shoe so that the locking pins are not accessible from the outside.

When the device according to the invention is put into operation by closing the doors 3 and 4 on the container, the locking beams 7 and 8 are securely fastened to the structure of the container through the first and second locking shoes 10 and 11 and the yoke to the locking beams 10 in 2014 through the pins 19, which engage the plate 918 and the third locking shoe 12. In order to reduce any play between the ends of the locking beams and the yoke and the locking shoes, the opposite sides of the locking shoes are provided with some shock-absorbing material, e.g. eg rubber plates, which are compressed slightly when locking beams and yokes are pressed against them with their respective locking mechanisms.

Materials and dimensions of locking beams, locking shoes, locking pins and yokes are chosen so that they can without deformation transfer the forces from a lifting hook, when loading or loading a container with maximum weight, to the container's frame resp. support beams.

To lift and pull up the container on a vehicle, an adapter 38, shown in fi g 6, is applied to the yoke 9 and locked behind the yoke by the locking pins 39 applied through the adapter fl ends. The locking pins are positioned so that they are guided laterally by the two guide rails 21 and thereby prevents the adapter from sliding laterally on the yoke 9. The adapter's lifting eye 40 is designed so that it extends far enough outside the container doors for the vehicle's lifting hook to move free from them. The adapter must also be able to take up smaller pressure loads downwards and backwards, which is why it is required that it is relatively loosely arranged on the yoke. In the stationary position with the adapter removed, the container can be locked with the locking bar 22 and an applicable locking device which is threaded through the holes 23 in the ends of the bar.

The material in the locking bar should be high-quality steel, ie the same as is normally used in such locking devices that may be relevant to use. With the hole 50 on the yoke 9 covered by the locked locking bar 22, no parts of the locking mechanism in the device 6 are accessible from the outside.

Many containers are placed in separate places such as construction sites, logging sites in the forest, road construction, etc. They thus constitute an interesting object for theft as burglary attempts can go unnoticed. The device according to the invention has, since the constituent components are dimensioned to also be able to lift and load the container on a vehicle, such strength that advanced mechanical equipment is required to force the locking device.

The reading with the locking bar 22 also makes it difficult to apply a load hook if such an attempt were to be made. 5 15 20 514 915 Mounting a device according to the invention on a container is, in addition to a security measure to protect the contents, a measure which normally gives more favorable insurance premiums.

The invention can, within the scope of the features of the appended claims, be given other designs than the preferred embodiment described above. Thus, for example, the yoke which connects the locking beams can be a loose detail which is applied to these and whose first end is locked in a fourth locking shoe arranged on the first locking beam.

The yoke is then provided with a locking mechanism of the same design as the locking mechanism 28 in the locking beams. The adapter for applying the lifting hook can also be considered integrated in the yoke, which then has the function of a combined locking and lifting yoke.

Claims (1)

1 0 15 20 25 30 f: i 514 913 9 Patent claims Combined locking and lifting device (6) for a container (1) for stationary use, which on a short side is provided with doors (4, 5) and on the underside, along the entire length of the container, has first and second support beams (2, 3), characterized in that first and second locking beams (7, 8) are arranged on the doors, with first inner locking mechanisms (28) accessible from the outside, which with their ends are in opposite first and second pairs of locking shoes (10, 11), fastened in the structure of the container above the doors (3, 4) and in projecting ends of the support beams (2, 3) below the doors and that the locking beams in fixert position are connected to each other by a yoke (9), the first end (15) of which is pivotally arranged in a hinge (14) on the first locking beam (7) and the second end (17) of which, via an externally accessible second inner locking mechanism (28 '), is axable in a third locking shoe. (12) on the second locking beam (8) when the yoke is swung up and into the third locking shoe (12), the first catches being the mechanisms (28) are inaccessible from the outside and the second locking mechanism (28 ') is protected by a lockable shackle (22) which is replaced by an adapter (38) for a lifting hook for loading and unloading the container on a vehicle. Combined locking and lifting device for a container according to claim 1, characterized in that the first and second locking beams (7, 8) consist of beams set up on an edge with a rectangular cross-section which by means of openings (13) are detachably mounted on with fastening bolts provided with elastic spacers in the doors (4, 5), that on the front side of the second locking beam (8) the third locking shoe (12) is mounted downwards and that on the outside of the first locking beam (7), opposite the third locking shoe on the first locking beam, pins (19) are axed. Combined locking and lifting device for a container according to any one of the preceding claims, characterized in that the first and second locking mechanisms (28, 28 ') comprise mounted in the locking beams (7, 8) and the yoke (9), respectively, on externally rotatable shafts ( 30) erade xated actuating wheels (29), to which peripheral bars (33, 10 15 20 25 30 å 514 913 10 34) are articulated, whose outer ends are fi xxed on inside the ends of the locking beams and the other end of the yoke displaceable locking pistons (35), which has laterally directed locking pins (36) which run in slots (37) in the sides of the locking beams and the yoke and that when the shafts (30) are rotated by means of a handle (32), the bars push the locking pistons (35) and thus the locking pins (36) into the respective locking shoes (10, 11, 12). Combined locking and lifting device for a container according to any one of the preceding claims, characterized in that the first, second and third locking shoes (10, 11,12) are identical and have the shape of a right-angled parallelepiped with first and second open facing sides, that along the outer edges of the insides of the first open side wall, externally and inwardly bevelled guide guides (25) are formed with abutment surfaces (26) angled from the second open side, towards the opposite covered side, so that then the ends of locking beams and yokes is pushed into the respective locking shoes, the ends are guided into the locking shoes by the chamfers and when the locking pins (36) are pushed in by means of the locking mechanisms (28, 28 ') behind the guide guides (25), against the inclined abutment surface (26), the ends of locking beams and yoke are pressed against an elastic coating on the covered side opposite the first open side. Combined locking and lifting device for a container according to at least claim 2, characterized in that the yoke (9) is a beam with the same rectangular cross-section as the first and second locking beams (7, 8), that the first end (15) of the yoke has a first plate (16) perpendicular to the beam is mounted in the hinge (14), that in the plate, in the middle of the pins (19) applied to the outside of the first locking beam, holes (18) are accommodated, so that when the other end of the yoke pivots into the third the locking shoe (12), the pins (19) are pushed into the holes (18) and the plate covers an access hole (50) to the shaft (30) on the first locking beam (7) and that on the inside of the yoke a second plate (20 perpendicular to the yoke) ) is arranged so that when the yoke is in the locked position it covers an access hole (50) to the shaft (30) on the second locking beam (8).