Page 65 - Vehicle Products Catalogue EN 012019

BL 52

The BL 52 rising barrier is an extra-long barrier designed to control vehicle access through large entrances. Its robust and
oversized mechanics makes it possible to move a boom arm up to 14m long.

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1 8 DESCRIPTION
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3 1. Manufactured in shaped and welded steel sheeting 3 to 10mm
12 thick, with a framework of steel profiles welded into a strong
Right section
CONFIGURATIONS
2. Removable upper hood, locked from the inside
Road 3. Two side doors with peripheral weather seals and safety lock to

Door ensure easy access to the internal mechanism
Door 4. Aluminium tube barrier arm, varnished white with red reflecting
Door
Door stripes. The barrier arm is composed of 3 sleeves of decreasing
Door diameter (100/90/84mm) with an endsealing cap. The barrier arm
Door is mounted in central position on a steel pole
5. Bracing wires and slack adjusters in stainless steel. The number
Standard Left of braces is increased from 2 to 8 according to the boom arm
length and boom arm options chosen
6. Arm shaft mounted on two life-lubricated ball bearings
7. Electro-mechanical assembly comprising:
77three-phase induction motor
77life-lubricated worm-screw gearbox
77operation by grooved pulley and V-belt making the

adaptation of the operation speed possible according to
the length of the boom arm
77movement transmission by crankshaft-rod mechanism
with ball strap joints to ensure progressive shock-free
accelerations and decelerations, as well as mechanical
locking of the arm in end positions
77safety torque limiter with adjustable friction
77limit switches activated by adjustable cams
8. Barrier arm balancing by means of a compression spring
9. Programmable electronic control logic allowing various
control operations and/or complementory accessories (see
related technical data sheet).The logic protection to dust and
condensation is assured by a removable hood. Electrical
protection is secured by a bipolar circuit breaker
10. Emergency crank with safety cut-out for manual barrier
operation in the event of power failure
11. Tip support
12. Fixing frame made of a fixing frame with threaded rods to be
fixed in a concrete base to be provided by the customer

With a constant view of adopting the latest technological developments, Automatic Systems reserves the right to amend the information above, at any time.

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