DE20314498U1 - A method for transferring heavy loads from a low loader trailer platform has a system of rails, adjustable for height to slide the load into position - Google Patents

Abstract

The low loader trailer (2) transports loads (3) of several tonnes weight which are slid off the trailer on hydraulically height adjustable rails (11,12) which slide on fixed rails (9,10) on the trailer bed (4) with support units (5-8) to the load position (16) rails (14,15).

Description

Heavy loads, e.g. Transformers (weight about 70 - 80 t), are transported with tractor units and low loaders and transferred to a specially built transformer foundation. The warp of the transformer from the low loader to the foundation is done with the help of Cables. The transformer is on rails from the excavator bed to the transformer foundation and transformer rails transferred, whereby the connection of the rails with the low loader and the substructure of leveling screeds or the like always complex, time-consuming and problematic and there is a risk of tipping on the excavator bed long connection rails up to the transformer rails and a stack of washers or washers to achieve one straight support and a horizontal tread for the transformer wheels very difficult can be reached. Furthermore, for conventional loading because of long and heavy rails for transferring the transformer and for laying several (at least four) people on site on the excavator bed required, their use with increasing distance from home the transport company contributes significantly to the costs.

The task of the innovation is devices for Moving a transformer or an equivalent heavy load of a flatbed truck to a stationary one Propose foundation with which to be particularly safe and simple Way of surrender can take place, the risk of tilting the heavy load is switched off and the conviction of the Transformers of two people in a significantly shorter time, much more reliable and can be performed with improved accuracy.

This is according to the innovation with the features of claim 1 achieved. Further refinements of the innovation are the subject of the subclaims.

On the frame of the low loader are in Height of the excavator bed at least two special consoles on each side of the excavator bed attached to the flatbed truck, using welded-on brackets connected to the excavator bed and to the low loader frame of the excavator bed outward (approx. 0.8 - 1.0 m) welded continuously are. The brackets are closed in the direction of the longitudinal axis of the excavator bed both sides positioned symmetrically on the low loader frame and the The top of the consoles is flush and at the same height with the surface the excavator bed. One continuous rail is used for relocation the transformer to the two on opposite sides of the excavator bed frame Trusses and the excavator bed put on. These rails serve as Running rails for the wheels of the transformer. At the end of these rails on the foundation side becomes a piece of rail that establishes the connection to the transformer rail. The connection between the continuous running rail and the adapter rail not a fixed connection, but a positive connection with the possibility a compensatory movement in the longitudinal direction the continuous running track. Both facing rail ends have parallel finger sections that are slidably movable relative to each other. The connecting rail is with the transformer rail by means of detachable Tabs connected. The continuous tracks are in turn detachably connected to the consoles by means of tabs, e.g. screwed.

There are lifting devices in the special consoles integrated, which can be hydraulic jacks in particular and operated from the tractor's hydraulic system. With these hydraulic jacks, when the hydraulic system is activated raising the transformer to the level the continuous rail or slightly above. The connection rails or rail adapters are available in different lengths, so that an adjustment to the local Circumstances can be made; you can e.g. Sections of railroad tracks his.

The transformer itself warps optionally electrically, hydraulically or mechanically via cables and pulleys.

With the facility after the innovation is achieved that the transfer of a Transformer or other equivalent heavy load of one Low loaders can be carried out on a transformer foundation by a maximum of two people can, so that the effort for workers compared to previous ones Methods can be significantly reduced that are also essential increase the security of such a transfer is guaranteed because of the Use of the special brackets on both sides of the excavator bed a perfect tread for the transformer wheels in connection with that the transformer on the excavator bed only needs to be raised a short distance, and that eventually one precise work possible is that the running track for the transfer with the new facility with Help the special consoles and thus create a stable and flawless horizontal track can be achieved.

The innovation in Connection shown with the drawing using an exemplary embodiment. It shows:

1 1 shows a schematic representation of a tractor unit with a low loader and a transformer,

2 a schematic representation of the low loader with excavator bed and special consoles, in supervision,

3 a side view of a special console in the longitudinal axis of the flatbed truck,

4 a supervision of two opposite trusses with running rail and rail wheel apter,

5 an end view of the traverse with rails in the direction of arrow S after 4 .

6 on an enlarged scale, the connection point between the running rail and adapter rail in a view from above.

In the 1 and 2 is a conventional tractor unit 1 with low loader 2 and mounted transformer 3 shown schematically. The low loader 2 with excavator bed 4 has rectangular, outward-facing special consoles on its frame 5 . 6 . 7 . 8th on, which are welded to the frame and which hold rails 9 . 10 serve, which are placed on the consoles and the excavator bed when the transformer 3 should be discontinued. For this purpose, the ends of the running rails 9 . 10 rail adapter 11 . 12 scheduled with the consoles, e.g. 5 , using tabs 13 connected, for example screwed, This rail adapter 11 . 12 make the connection between the running rails 9 . 10 and the transformer rails 14 . 15 forth, which are laid on the transformer rails and for transferring the transformer from the excavator bed 4 to the transformer foundation 16 serve. For this purpose, the transformer rails with the rail adapters over tabs 17 connected.

The running track 9 respectively. 10 , which serves as a guide rail for the transformer wheels, lies on the top of the excavator bed frame and on the top of the crossbars 5 and 8th on, with possible differences in height due to underlay material 18 be compensated, for example disks or plates made of wood or plastic. It is crucial that the top edge of the continuous track 9 respectively. 10 horizontally at the same level as the top edge of the rail adapter 11 respectively. 12 and at the same height level as the upper edge of the transformer rail 14 respectively. 15 lies, so that overall a flat and level rail is guaranteed for the wheels of the transformer, which run on the upper edge of these rail sections. It is particularly important that the running surface on these rail sections runs exactly horizontally, so that the transformer is prevented from running unintentionally on an inclined rail under the influence of its enormously high weight and thus executing uncontrollable movements. Rather, the transformer on this rail area has to be pulled to the transformer rail, for example via cable pulls and deflection rollers, and the drive can take place either electrically, hydraulically or mechanically.

Around the transformer from the excavator bed 4 over the level of the upper edge of the continuous running rails 9 . 10 to lift and set down on the top edge of the rails is in the special consoles 5 - 8th a hydraulic lifting device 19 integrated, but optionally also on the excavator bed 4 can be arranged in appropriate places. This lifting device 19 serves the transformer 3 to raise it so far that its running wheels hit the running rails 9 . 10 can be put on. When the lifting device is integrated in the crossbar, is on the bottom surface of the console 5 - 8th an opening is provided through which the lifting device 19 can be placed on the floor to carry out the lifting movement. The top surface of the console 5 that the running rail 9 respectively. 10 and thus the transformer 3 takes up, is raised at the same time at the at least four points of the brackets to the required height, in which the impellers of the transformer on the rails 9 . 10 be transferred.

The mutually facing ends of the running rail 9 and the adapter rail 11 each have half-sided approaches 20 . 21 on that with a relative movement of the two rails 9 and 11 to each other or away from each other to a limited extent a variable distance 22 result, for example in the order of magnitude of up to approx. 5 cm, in order to enable the relative spacing of the two rails to be set to a limited extent. This distance is limited by the fact that the impellers of the transformer can safely bridge the gap, and on the other hand a certain compensation of this gap length can be used to adapt the rails to one another. The rail adapter 11 . 12 is, for example, in the form of a piece of a railroad track, which can have a length of about 80-100 cm, and the weight of which can therefore be carried by a worker.

1

Tractor

2

low loader

3

transformer

4

excavators bed

5, 6, 7, 8

special consoles cuboid

9 10

through runner

11 12

rail adapter

13

connector tab Console / adpater

14 15

transformer rails

16

transformer foundation

17

adapter transformer rail

18

Stabilizer (Wood)

19

Hydraulikhubvorrichtung

20 21

halflateral approaches

22

variable distance

Claims (11)

Device for transferring an extremely heavy object, for example a transformer, from the excavator bed of a low loader pulled by a tractor onto a prepared transformer foundation, characterized in that on the excavator bed ( 4 ) of the low loader special consoles on both sides ( 5 - 8th ) are attached to the excavator bed ( 4 ) or alternatively in the special consoles ( 5 - 8th ) Hydraulic devices ( 18 ) the special consoles ( 5 - 8th ) for mounting rail adapters ( 11 . 12 ) are designed, which with the transformer rails ( 14 . 15 ) on the transformer foundation ( 16 ) that the rail adapter ( 5 - 8th ) and the transformer rails ( 14 . 15 ) as guides and rails for the transformer wheels ( 3 ) and that the hydraulic devices ( 18 ) for lifting the excavator bed ( 4 ) with transformer ( 3 ) and for placing on the guide and running rails ( 9 . 10 . 11 . 12 ) are trained. Device according to claim 1, characterized in that the special consoles ( 5 - 8th ) on the excavator bed ( 4 ) are attached by welded connections. Device according to claim 2, characterized in that the running rails ( 9 . 10 ) with the special consoles ( 5 - 8th ) are fastened with tabs. Device according to one of claims 1-3, characterized in that the adapter rails ( 11 ) with the transformer rails ( 14 . 15 ) are attached by means of tabs. Device according to claim 1, characterized in that the hydraulic lifting device ( 18 ) can be controlled via the hydraulic system of the tractor. Device according to one of claims 1-5, characterized in that that the tabs holes for have the inclusion of screw connections of the rails. Device according to one of claims 7-6, characterized in that that the trusses are engaged with the spar of the low loader frame. Device according to claim 7, characterized in that at the interface of the positive connection between Running rail and rail adapter the rails in a common Lie level and have side-symmetrical, mutually facing guide approaches. Device according to claim 1, characterized in that the Top of the crossbeams for a form-fitting attachment Track is formed on one of the wheels of the transformer base is movable. Device according to claim 1 or 9, characterized in that that the hydraulic device and the running rail of a traverse are assigned to each other. Device according to one of claims 1-10, characterized in that warping the transformer over Cables, which can be driven either electrically, hydraulically or mechanically are, as well as about Umlenkrollenführungen he follows.