Article transport facility

An article transport facility comprising:

• an article transport vehicle configured to travel along a travel path passing through an opening portion formed in a wall body;
• a guide rail configured to guide the article transport vehicle along the travel path;
• and
• a fire-proof door configured to close the opening portion by moving in a direction parallel to a wall face of the wall body,
• wherein:
• a first gap through which the fire-proof door can pass is provided in the guide rail,
• the guide rail comprises a first rail body portion and a second rail body portion that are arranged separately on respective sides in a direction parallel to the travel path with a second gap therebetween, the second gap being larger than the first gap, and also comprises a first adjustment member attached to the first rail body portion, and a second adjustment member attached to the second rail body portion,
• the first rail body portion comprises a first body traveling face on which a traveling wheel of the article transport vehicle rolls,
• the second rail body portion comprises a second body traveling face on which a traveling wheel of the article transport vehicle rolls,
• the first adjustment member comprises a first adjustment traveling face forming a traveling face continuous with the first body traveling face, and is arranged so that the first adjustment traveling face at least partially protrudes into the second gap,
• the second adjustment member comprises a second adjustment traveling face forming a traveling face continuous with the second body traveling face, and is arranged so that the second adjustment traveling face at least partially protrudes into the second gap,
• a gap across which the first adjustment member and the second adjustment member oppose each other is the first gap, and
• an adjustment mechanism capable of changing the position of the first gap in the direction parallel to the travel path is provided.