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英文维修行车使用说明书161221- en
LH Overhead Crane with Electric Hoist
Use and Maintenance Manual
Shanghai Zhenhua Port Machinery (Group) Longchang Lifting Rig Co., Ltd.
PAGE 34
Contents
Product overview 2
II Introduction of the product structure 3
Cart part 4
Lifting trolley part 5
Power supply system 6
Installation and commissioning 7
Travel mechanism 7
Lifting mechanism 10
Rope guide 12
Ratchet-pawl mechanism 12
Lifting limit 14
Power supply mode 16
Electrical control system 17
Overview 17
Control classification 18
Composition of the lifting control system 18
Composition of the travel control system 20
Classification of deceleration switches 22
Protection function 22
Button station 23
. . Operating instructions 24
Maintenance 25
. . Component discarding conditions 26
Steel wire rope 27
Hook pulley block 28
Wheel 28
VII Troubleshooting guide 29
Product overview
Design and manufacturing basis:
National standard: GB/T3811-1983 Design Rules for Cranes; GB/T6067-1985 Safety Rules for Lifting Appliances; machinery industry standard JB/T3695-1994 Overhead Crane with Electric Hoist. Refer to F.E.M standard
Code for Design of Lifting Machinery in Europe and related standards of ZPMC of our group.
The structure types of the repair crane of the machine room are divided into double-beam and single-beam overhead crane with electric hoist. For port Mechanically, it mainly refers to the double-beam overhead crane with electric hoist. It mainly consists of the cart bridge, trolley bridge and three mechanisms of cart travel,
trolley travel and lifting. (cart track and rail bearing beam. Lighting in the machine room shall be provided by the user. Lighting shall guarantee the degree during use or repair and maintenance). The material, lubricating oil and so on used for various parts shall be harmless to the human body. The bridge is the main body component of the repair crane in the whole machine room, and various section characteristics conform to the stress conditions. During the design and manufacturing
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