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Track type aerial slide line type power supplying method of portal crane of bridge precast beam field

A technology of rail-type gantry crane and power supply method is applied in the directions of load hanging components, transportation and packaging, which can solve the problems of high cost, cumbersome production of sliding contact devices, inconvenient maintenance, etc. convenient effect

Active Publication Date: 2018-10-19
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a power supply method for the empty sliding wires of the track-type gantry hanger in the prefabricated beam field of the bridge. The problem of inconvenient maintenance

Method used

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  • Track type aerial slide line type power supplying method of portal crane of bridge precast beam field
  • Track type aerial slide line type power supplying method of portal crane of bridge precast beam field
  • Track type aerial slide line type power supplying method of portal crane of bridge precast beam field

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Experimental program
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Embodiment 1

[0034] Such as Figure 1 to Figure 5 Shown is a bridge prefabricated beam field track-type gantry crane iron round bare wire suspension type slide wire power supply method, the rail-type gantry hanger empty slide wire type power transmission device mainly includes slide wire 1, wire slide device 2, and wire holder holder Frame 3, sliding wire holder 8, power transmission cable 9, door frame 10 and utility pole 12 specifically comprise the following steps:

[0035] Step 1: Fix one end of the wire slider bracket 3 on the gantry crane, and connect the other end with the gantry crane with an adjustable rope tightening device 5, and install the wire slider 2 on the wire slider bracket 3. The device 5 adjusts the tightness of the contact between the wire slider 2 and the wire 1, and the wire slider 2 is connected with the cable 4 of the gantry crane itself.

[0036] Step 2: Install a gantry 10 at both ends of the gantry crane, and install a utility pole 12 between the two gantry fr...

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PUM

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Abstract

The invention provides a track type circular bare wire suspending type power supplying method of a portal crane of a bridge precast beam field. The method specifically comprises the steps of fixing one end of a line sliding device bracket to the portal crane, and connecting the other end of the line sliding device bracket to the portal crane through an adjustable rope fastener; mounting the line sliding device to the line sliding device bracket; adjusting the contact closeness of the line sliding device and a sliding line through the adjustable rope fastener; connecting the line sliding deviceand a cable of the portal crane; arranging a door frame at each of two ends of the portal crane; arranging an electric wire pole between the two door frames; arranging a sliding line support on the electric wire pole; and aerially arranging, supporting and fixing the sliding line and a power transmission cable through the electric wire pole and the door frames. The method aims at solving the problems that most of the sliding contact type sliding lines are copper bare wires which are high in cost, and a sliding contact device is complex to manufacture and inconvenient to maintain.

Description

technical field [0001] The invention relates to the field of construction engineering and electric power supply, in particular to a power supply method for a track-type gantry hanger trolley line in a bridge prefabricated beam field. Background technique [0002] Gantry cranes are also called gantry cranes. It is mainly used for outdoor site loading and unloading operations. The gantry crane has the characteristics of high site utilization rate, large operation range, wide adaptability, and strong versatility, and is widely used in lifting and unloading in outdoor sites. [0003] At present, in bridge prefabricated girder yards, multiple gantry cranes are mostly used for the transfer and lifting of steel bars, girder slabs, etc. in the beam yard, and the power supply method generally adopts the coil type or sliding contact type. [0004] The coil type power supply cable travels with the gantry crane, and the cable is retracted. Although the power supply method is simple, e...

Claims

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Application Information

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IPC IPC(8): B66C13/12
CPCB66C13/12
Inventor 邵传林邹立新丁云霄刘凯凯朱国军李盼
Owner CHINA MCC17 GRP