The main cause of damage is the use of a reinforced lock, no special breaking tools, and no tampering of the door nose. The door nose in the vehicle locking system is very important. When loading valuables and less-than-truckload goods, it should be reinforced and sealed to form a tight shape. The door can not be swayed to ensure safe driving, otherwise it will not only cause the goods to be handed over. Trouble, and once the door is detached, the consequences are unimaginable.
In response to this problem, we organized a large number of research and technical research and engineering personnel. After nearly a year of research, the task of developing the bolt password reinforcement lock was finally completed. Now it has applied for national patents and put into mass production, which is widely promoted and applied in the branch office.
The structure and main technical key structure is simple and easy to operate. It is the basic principle of design and manufacture of bolt password reinforcement lock. Around this principle, we carried out a large number of program discussions and comparisons, and finally determined that the basic principle of the bolt password reinforcement lock is that the two element cylinders intersect perpendicularly, and the slit fits to achieve the purpose of opening and locking the lock. The structure is composed of a lock body, a lock and four bolts. In the lock body, the screw and the four bolts intersect perpendicularly, and the intersection has a slit matching (as shown), and the upper and lower parts of the bolt hole on the lock body have 4 smm The counterbore, the bolt head is buried in the counterbore at one end, and the other end is riveted in the counterbore. The bolt can be rotated up and down by 2 to 4 turns.
There are four l-8 digital dials around the end face of the lock bolt head. In this way, each bolt can be rotated in the upper and lower positions to select the upper and lower positions (staggered or aligned with the notch position), and the bolt can be rotated to select a password among the 8 numbers (select the gap matching position). Combined, the password for each lock has eight digits. When the password is set according to the set password, the lock lever can be pulled out, and the bolt password reinforcement lock can be opened.
Since the lock has passwords and barriers set in many links, it is very difficult to unlock the person who does not understand the structure and password. This is the main feature and technical decision of the password hardening lock. In summary, the bolt password reinforcement lock structure has three major technical keys. (1) The lock body has a counterbore, and the bolt head can be buried in the counterbore and is not easily shoveled by the flat shovel. (2) Each bolt has upper and lower position selection. (3) Each bolt has 1 to 8 password selections.
Through the combination of these three methods, a password that is difficult to decipher is compiled, and it is difficult to unlock the password without knowing the password. The coding method is another technical key to soft technology. In summary, the successful results have been achieved through loading and unloading. In the course of transportation, 3 applications and effects have not been broken together. For the guarantee of 20 years in December, according to the design drawings and implementation, the goods were stolen on the way. Actively blocked the branch processing and processing bolts and passwords for the lock 90.
In the whole year, a total of 180,000 locks for bolts and passwords were locked, with an output value of 100,000 yuan and a profit of 270,000 yuan. It also solved the problem of more than 20 employees working on the job. Through the tracking service and information feedback, the two results of the lock protection box and the seal bolt password reinforcement lock have been developed and patented. The lockout protection box protects the existing lockout locking system, and is mainly used for stolen goods and lost serious sections, which can be reused.
The purpose of the construction of the sealing bolt password reinforcement lock is to change the traditional sealing method of the lower part of the door and the upper reinforcement, and combine the reinforcement and the sealing. If this type of locking is licensed, it will bring about a major change in the way railway trucks are locked.
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