Mounting a solenoid automatic gate lock to a post or column

Automatic gate locks for gate openers are typically solenoid driven or magnetic locks. In this blog we are going to discuss the mounting of a solenoid automatic gate lock as they are the most common to see since they only use power when unlocking. This allows the lock to remain locked without power, which is very important for solar operation.

The automatic gate lock is mounted on the rear face of the primary gate leaf. If it is a single gate it will stick off the end of the gate and overlap the post. The important factor in this case is the rear face of the post must be flush with the rear face of the gate in the closed position.  The rear of the post will be outfitted with a C shaped bracket that the part of the automatic gate lock that overlaps the post closes into and locks it into place. If you have a 2 inch gate frame width and a 3 inch post and the gate is in the center it would be best to put a 1/2 inch spacer between the gate and the lock to keep them flush to prevent jamming.

When mounting on a dual gate the flush issue should not be there, however wind can be a factor with jamming. If wind pushes on the gate it will push the gate lock against the receiving bracket. This pressure can prevent the lock solenoid from retracting the latch. It is best on a dual application to have a stop the secondary leaf of the dual gate can close into.

When mounting on a single gate that is next to a large column special considerations must be made for latching the lock. In most cases the gate is centered on the column which means building a slight spacer will not get the gate lock flush with the rear face of the column. The C shape receiving bracket will need to be mounted on the inside face of the column next to the gate. In order to do this you will need some steel angle iron and a minimum of 2.5inches between the end of the gate and the column face. Mount the angle iron on the indie face of the column and mount the C shape receiving bracket on the angle, thus simulating a flush rear face to the gate.

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