GA / T73-94 mechanical security door lock (approved by the Ministry of Public Security 1994-03-11)

Approved by the Ministry of Public Security of the People's Republic of China 1994-03-11

1 Subject content and scope of application This standard specifies the technical requirements and test methods for mechanical anti-theft locks.
This standard applies to anti-theft locks for anti-theft security doors opened with keys and mechanical code locks for anti-theft safes.

2 Standard GB10409 anti-theft safe GA25 anti-theft security door general technical conditions


3 Terminology 3.1 thief resistant machine locks
It has the functions of anti-drilling, anti-saw, anti-prying, anti-pulling, anti-impact, and anti-technical opening. The latch is opened by a mechanical transmission device, and the lock core is a non-single-row structure lock.
3.2 Drilling resistant
The key parts of the lock head and the lock body are resistant to portable electric drill drilling and the ability to pull the lock with a wire pulling tool.
3.3 Prying resistant
When the lock is in the locked state, the lock box (plate) and lock tongue (bolt) resist the ability of the crowbar to squeeze, destroy, and pry the lock.
3.4 sawing resistant
Resistance to ordinary hands with a hacksaw sawing the main lock bolt (bolt), making it useless.
3.5 Pullilng resistant
Under the normal installation conditions, the lock resists the ability of the pull tool to pull the lock head, password dial, and rotating mandrel away from the lock body and disengage the lock.
3.6 Strike resistant
Under normal installation conditions, the lock resists the ability of the punching tool to wash down the lock head, lock body, and latch transmission mechanism and open the lock.
3.7 opening locks resistant for technology
Resist the ability of professional technicians to use special tools to open locks with special tools.
3.8 deformed pin
A special switch installed in the bullet hole plays a role in preventing the opening of foreign body technology.
3.9 Security level
According to the different provisions of the mechanical anti-theft lock technical indicators and the degree of anti-vandalism ability, the level is specified.
3.10 Interval change
Within the range of the specified theoretical key, under the premise of the specified level difference value, the number of different level differences shared by any two locks.
3.11 coded number
The number of different keys or the number of different combinations of passwords.