The guide system of the elevator restricts the freedom of movement of the lifting platform, so that the lifting platform can only move up and down along the guide rail. The guide system consists of guide rails, guide shoes and guide rail brackets. The guide rail determines the relative position of the car in the hoistway and guides their movement. For large-tonnage freight elevators, the load is heavy and the depth of the lifting platform is large. During loading and unloading conditions, due to the frequent entry and exit of goods, it is subjected to instantaneous partial load.
Four guide rail freight elevator includes elevator shaft, car, car frame, counterweight system, guide rail bracket, car main guide rail, car auxiliary guide rail, counterweight guide rail, counterweight anti-sheave, traction sheave, car top Traction system composed of reverse rope pulley and wire rope; the upper part is connected to the car frame through the car top fixing frame, and the bottom is directly connected to the lower beam of the car frame through bolts; the lifting platform is composed of upper beam, column, lower beam and upper and lower beams. The upper and lower guide shoes are set at the four corners of the car frame; the lifting platform and the guide rails are connected and fixed by inclined rods; there are 2 auxiliary guide rails, both of which are located at the opposite corners of the lifting platform, and the car main guide rail has 2 pieces. Both are on both sides of the lifting platform, and both are fixed on the hoistway wall through the guide rail bracket; under the traction of the traction system, the guide shoe is stuck on the 4 guide rails and slides up and down.
The guide rail bracket, the main guide rail, the auxiliary guide rail and the counterweight guide rail are all fixed on the hoistway wall.
There are counterweight guides on both sides of the counterweight system.
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