Elevator traction machine 1) elevator counterweight should be installed with the car in the same hoistway. 2) of the elevator shaft is generally non-porous walls, floor and roof completely closed up. Only allows the following openings: (1) layer door; (2) access door, trap door, clean the door; (3) fire, exhaust gases and smoke vents; (4) the hoistway and machine room (Machine cover) permanent openings between rooms or pulley. 3) When the shaft is not required to prevent fire from spreading to the protection of buildings, and is not required to be closed when all the wells, in addition to the entrance surface, the height of each wall of the other not less than 2.5m. Hoistway entrance, from the height of 2.5m above ground level station, you can use the grid or perforated plate. Mesh or perforated metal plate holes both in the horizontal direction or vertical direction of the measurement, not more than 75mm. 4) Whenever the engine room door, are not less than 0.6m × 0.6m, and the door should be locked. 5) Faced with car entrance hoistway openings shall be fitted with a non-porous layer door. When the door is closed, the gap between the doors or doors and columns, lintels or sills shall be as small as possible between, not greater than 6mm. 6) If the car is greater than the rated load 250kg, safety gear unit should be set on the car. 7) elevator drive host and auxiliary equipment should be placed in a separate room, or placed in the elevator shaft of a hood, the engine room or hood to allow only authorized personnel to enter (or close). 8) room or hood should have a solid structure that can adapt to a variety of weather conditions, and should be dry, while, with good ventilation. People close to all facilities should be safe. Qingdao Wei Lixin Elevator Parts Co., Ltd. Weifang Branch met with major brands, Mitsubishi, Hitachi, Otis, Celcom, Thyssen, Kone, establish long-term partnerships LG, Toshiba, Fujitsu, West Otis, etc. Each brand has a full range of accessories sales agents, we will best quality products with the best quality service to bring you the most affordable price. Qingdao Wei Lixin Elevator Parts Co., Ltd. Weifang Branch (national AAA Quality Certificate) ISO9001 quality management system certification and agents specializing in the production of elevator maintenance, elevator parts, elevator equipment overhaul, elevator parts sales company. Service Category: Keti, freight elevators, escalators, moving walkways, debris, food ladder, industrial hoists and other lifting equipment traffic. Services: elevator manufacturing, repairs, maintenance, parts replacement sales, PC programming, the programming board to assist the inspection, sales agent of the brand lift, elevator service agent!