Devanco BCSI, Technical Manual Installation Maintenance

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PIVIN & DRAPEAU inc.
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2.2 General view of gate operator
:
Cabinet (Fig. 2.2.1):
The cabinet, built in aluminum 1/8’’ (3,2 mm) thick, has an entirely welded gutter making
the cabinet a weather proof one of NEMA 3R type. The door has a sealing gasket, a
high security handle with door lock and a stainless steel strap hinge. The aluminum
control box is located inside the cabinet and included all necessary electrical
components for operating the gate.
Mechanics (Fig. 2.2.2):
A worm gear reducer, ratio 40:1, with a “C” flange for motor installation, allows a speed
of 12 inches/second when assembled to a standard motor with 1750 rpm. Available on
request, the operator ‘’BCSI-HV’’, equipped with a frequency drive, allows a speed up to
24 inches/second.
A torque limiter of 4½’’ diameter, adjustable up to 2,800 pounds of pressure, is installed
directly on reducer output shaft. The torque limiter is made of a gear of ratio 50:26 with
two friction disks mounted on a ball bearing and tightened by a spring washer and a
nut. This nut allows adjustments of the required force according to the weight of the
gate. The link between the operator and the gate is made of the main shaft, two
secondary shafts and a #50 gauge chain. The shafts have a 1’’ diameter and are all
mounted on ball bearings that can be lubricate at need according to frequency of
operations.
Fig. 2.2.1
Door
Disconnecting switch
Control panel protection plate
Aluminum cabinet