Automatic door used for sows housed in group to independently ingest

Abstract

The invention relates to an automatic door used for sows housed in a group to independently ingest. The automatic door comprises two single opened doors, a door frame and a door lock arranged on the door frame, wherein each single opened door comprises a door pivot, a one-way door body, a joint bearing on the door pivot and a collision block arranged at the upper end of the one-way door body, thedoor lock is arranged at a middle position at the upper end of the door frame, the door lock comprises a feed screw nut lock, a motor, a motor support and a metal approach switch arranged on the motor support, the feed screw nut lock comprises a screw rod, a nut, a metal flat plate, two bolts which are oppositely arranged, a linear bearing, a lock cylinder and a spring, a control system controls opening and closing of the door lock, and the door lock controls the opening and closing of the two single opened doors. By adopting the automatic door provided by the invention, independent ingestingand management on the sows when the sows are housed in the group and in a large scale.

Description

technical field [0001] The invention relates to a kind of animal husbandry equipment, in particular to an automatic door device for realizing individual feeding of pigs and preventing competition for eating when sows are raised in groups. Background technique [0002] my country is recognized as a large pig-raising country in the world. The number of pigs on hand in 2010 was 470 million, of which 47.65 million sows were on hand, and the number of slaughtered pigs was 667 million in 2010, both ranking first in the world and accounting for about half of the global total. In recent years, my country's large-scale pig farming has developed rapidly, and the proportion of large-scale pig farming has increased rapidly. Although my country is a big country in the pig industry, it is not a strong country in the pig industry. The main manifestations are: most of the sows in large-scale pig farms are raised in positioning pens, and the sows are in poor body condition, short in service ...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency that the existing sow breeding equipment in our country cannot realize the sows being fed alone when they are raised in groups, the present invention provides a method that allows sows raised in groups to be fed alone The automatic door for feeding is a kind of supporting equipment when raising sows in groups. After using this device, it can not only realize large-scale group raising of sows, but also conveniently realize individual feeding and management of sows

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