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Under a car body everything is unfavourable: the height, the posture, the sight and the weight. It is the area in vehicle building where the risk assessment most regularly runs into the red band.
Fetch the unit from supply, move it under the vehicle, raise it, guide it to the mounting points and bolt it. The available space is between sixty and a hundred centimetres, and work happens overhead. By hand or on a jack the unit is raised and then aligned by two people while a third sets the bolts – in a posture where nobody has strength.
A car body is twenty to thirty metres long. Any jib serves a fraction of that, and several leave zones open between them. So the longitudinal runway over the whole vehicle length is the right design: a rail system on which one or more devices travel, reaching the underfloor as well as the roof area when stroke and headroom are sized accordingly.
Under the vehicle there is little space, above it often too. A low-profile lift axis solves that combination: low headroom above the load, long stroke, and thus a device that picks the unit up from the floor and guides it under the car body. A chain hoist with a hook would need more space at both ends than exists.
The decisive difference is not in lifting but in holding. The unit has to stay in its end position while four bolts are set – and in such a way that both operator hands are free. A device with fine adjustment and self-locking does that; a torque arm on the same structure additionally absorbs the reaction, which is particularly unpleasant overhead.
The jointed arm for millimetre-precise handling.
View device Lifting equipment · Lifting axesCompact power for vertical lifting.
View device Lifting equipment · Assembly aidsTakes the reaction torque – your hands stay free.
View device Lifting equipment · Conveyor systemsThe whole area covered – in X and Y.
View deviceYes, that is the normal case in vehicle building. What is needed are end stops, buffer distances and a division of working areas. In cycled production we set fixed areas, in one-off production overlapping ones with mechanical limits.
With a low-profile lift axis about 250 to 350 millimetres above the highest position of the unit suffices. Where even that is not enough, we work with a floor-guided device entering from the side.
Often yes. In one-off production the parts are larger and the postures worse than in series, and work regularly happens in threes. The calculation runs over alignment time and people tied up – both weigh more heavily here than the cycle.
One short conversation usually settles more than three quotations. Call or write — you will reach an engineer directly.
Start typing – for example “balancer”, “SAP” or “pipe stress”.
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