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門式起重機(jī)大車電纜的安裝
Installation of cable for gantry cranes
門式起重機(jī)和裝卸橋的大車如采用電纜供電，則電纜在地面的固定點(diǎn)*好以大車行程的終點(diǎn)為原點(diǎn)，當(dāng)起重機(jī)從中點(diǎn)向兩端運(yùn)行時(shí)為放纜（或用彈簧）。
Gantry crane and crane cart as the power cable, the cable is fixed in the ground to travel to the best end point of origin, when the crane from the center to the ends of the runtime for cable (or spring).
電纜在地面上的固定，應(yīng)有能是電纜左右倒向的固定彎夾，具體尺寸可由使用單位根據(jù)所選用的電纜規(guī)格進(jìn)行設(shè)計(jì)。軸銷的直徑可取40~50mm.可利用尺寸與電纜相適應(yīng)的無(wú)接縫鋼管或水煤氣管制造彎夾?；炷粱奈恢门c安裝在起重機(jī)下端梁或支腿上的導(dǎo)向滑輪的位置相適應(yīng)。電纜與彎夾之間，要墊上襯墊物，以防損壞電纜。電纜應(yīng)在彎夾中夾緊，防止拉開(kāi)電纜接頭。電纜接線頭與彎夾之間要保持一定的距離，使電纜處于松弛狀態(tài)。
The cable shall be fixed on the ground, and there shall be fixed bending clamps which can be turned back and forth to the cable. The specific size can be designed by the use unit according to the selected cable specifications. The diameter of the axle pin is desirable, and the 40~50mm. can be made of a seamless steel pipe or a water gas pipe with dimensions corresponding to the cable. The position of the concrete base is adapted to the position of the guide pulley mounted on the lower beam or support leg of the crane. Between the cable and the bending clip, the padding should be put in case of damaging the cable. The cable shall be clamped in the bending clamp to avoid pulling out the cable joint. A certain distance should be kept between the cable terminal and the bending cable, so that the cable is in a slack state.