Column lifter with grid shaft

Column lifter with grid shaft
Hydraulic column jack with a grid shaft in an industrial plant.

Our Czech industrial customer came to us with the challenge of transporting his goods safely to the upper floor. Up until now he had transported the pallets and scales up using a forklift, but this was prohibited during a safety inspection.

The challenge was that there was no way to create a deep pit in the lower support, so we resorted to our hydraulic column jack. This only requires a small pit of 100mm and no underpass.

The platform size was chosen to be 2500 x 1500mm. The required load capacity was originally 1000kg, but we then decided together on 1500kg, i.e. with sufficient security. The difference in level is an impressive 5m.

The customer wanted a complete solution from one provider. We therefore supplied the column lift, the necessary grid shaft and also carried out the assembly and training. We trained a local company for ongoing maintenance so that the customer does not have to pay for the trip every time.


Details of the column lift between 2 floors

Start of assembly of the column jack

After receiving approval from the customer, we manufactured the column lifter and sent it to the customer. The unloading and transport to the installation site was carried out by the customer. Our technicians carried out the rest of the assembly.

First we positioned the platform where it would later be used. The railings and the two gates were then built. The cabling and construction of the door contacts is only done after the rough assembly.


Installation of the first column

Once the platform has been positioned, the two columns must be assembled. To do this, the columns are placed in the appropriate position using a suitable lifting device, which must be provided by the customer.

There it is then aligned and connected to the platform. The same is then done on the other side. To ensure that the two columns are stable, they are also connected at the top with cross beams.

The system is designed so modularly that even a single trained person can carry out the assembly. Due to time and safety, we always carry out the assembly in a team of two.


Assembly of the self-supporting grid shaft with gates

Once both columns have been assembled, aligned and screwed to the platform, you can begin assembling the grid shaft. We have already positioned the first grid element on one side of the photo.

Step by step, the entire shaft is built up and screwed to the masts and the wall. Of course, gates are installed at the loading points so that the goods can be easily moved between the two floors during later operations.

Although the shaft frame is self-supporting, we still attach it to the customer's load-bearing wall. The customer's wall has a recess at a height of approx. 1500mm. We compensated for this with a solid door threshold at the upper stop. To avoid shearing, we equipped this threshold with a deflector plate.

Securing the upper stop with a metal door

The customer wanted a closed door at the upper stop. This would provide better heat and noise insulation between the two areas. Alternatively, we could have installed an automatic roller door, but the customer wanted the slightly cheaper solution here.

This gate can only be opened when the platform has reached the upper position. Likewise, the column lift only starts moving when this gate is properly closed. This is monitored by the control system supplied and installed by us.



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