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  • Address: 39040 Handwerkerzone 8 · Aldein (BZ) · Italy

  • Email: info@cdc.company

  • Phone: +39 047 11775288

THE CONCEPT OF CDC

Self-propelled cable crane is a universal cable transport. The use of cable crane carrying a fixed rope and traffic mechanism along this rope has made it possible to create an effective model in the field of construction and execution. Despite the fact that its capacity is lower than the capacity of modern conveyor type ropeways, its final efficiency is achieved due to the peculiarities of the design: 1) Reduction in the number of supports because of the large length of inter spans, 2) Substations and the drive and bypass mechanisms on them are not required, 3) Electric substations are not required, 4) Modular principle for assembling, 5) Simplified service.

The design of the CDC self-propelled crane is similar in construction to modern crawler drives of different crawler vehicles. In the seat of transverse plate or teeth used in tracks of vehicles for their motion on the soft ground, we use for our caterpillars' special plates made from special materials. These plates serve as guides for cable. This model is a caterpillar vehicle. It moves along the cable and thanks to the guide it does not require to be controlled.

THE TECHNOLOGY OF CDC

The main feature of the equipment is a self-propelled mechanism. This mechanism is driven by carburettor engines or electric motors. The mechanism freely hangs on the rope and moves along with it. The mechanism is compatible with ropes of different types and diameters. The mechanism or so-called cable crane is designed to move various loads as well as passengers. The mechanism has two caterpillars between which the cable is clamped. Clamping is carried out in such a way that there is sufficient friction. For modern cable cranes and passenger gondolas, this device is equipped with guiding blocks. The mechanism moves along the cable with their help. The mechanism is set in motion and is braked through additional cable. In this system guide blocks (rollers) are replaced by tracks. They are driven by either a hydraulic drive or directly by electric motors. It eliminates the need for an additional cable and the system uses only one cable - so-called carrier. The mechanism is controlled by radio as construction or workshop cranes. Briefly, we can say that the cable crane ( or the passenger gondola) moves along the cable with the help of one or several tracks - just like a tank or excavator on the ground. To ensure sufficient friction, the cable from below is pressed by an additional caterpillar. Champing plates are used as guides. These plates are attached to the links of the caterpillar as well as V-shaped elements allowing to use different cables. With these plates, the caterpillar is pressed against the cable in 4 points equally distributed along the length of the segment. The shoes evenly cover the cable. To ensure reliable attachment to the cable in the event of malfunctions or serious damage, the defensive automatic device is provided. When the pressure in the system drops, the disc brakes perform the braking function. These springs assume the champing pressure within the maximum allowable pressure parameters. 6 hydraulic cylinders with permissible pressure up to 450 bar are on each caterpillar. They are supplied directly from the high-pressure system which related to the drive mechanism. For each caterpillar: one cylinder for pre-tensioning; two cylinders for tensioning (compressing), packs of disc springs and two cylinders for proportional champing pressure in normal mode. So hydraulic pressure in the system varies depending on the angle of turn and the load of the equipment. The pressure in cylinders of the champing automatics varies proportionally. It has the corresponding effect on the pretension of the chain and the caterpillar pressure of tracks. It makes possible to limit pressure on all parts of the system and use the necessary minimum only. Such approach extends the service life and ensures the smooth operation of the equipment.

INNOVATION OF CDC APPROACH

CDC technological breakthrough increases the existing level of technology due to the universality and low-cost price. Ski resort with a minimum level of investment. Local transport for tourist complexes in the mountains. Alternative to urban passengers transport, bridges, ferries, crossings through garages and rivers, cargo and special transport for mining, creation of a new experience in the sphere of adrenalin tourism. All these are CDC approaches that make possible a qualitative shift in the whole industry.

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