The structure of the new H-shaped conductor in Yibao is reasonable and the electrical performance is good. The top of the cross-section A1 is slightly larger than the bottom A2 of the connecting plate, and the original wedge-shaped cross-section structure. After the connecting bolt is fastened, the contact is tight and full, the effective conductive area is large, the impedance is low, and the connection is low. The temperature rise is small, no distortion, ensure smooth operation, and extend the service life of the collector block and the wire. 
Ordinary H-type connection board looks like a large connection surface, the actual two sides have gaps, effective conductive surface is small, the gap between the two sides easily leads to the conductor in the connection is not uniform, the collector piece wear at the joint increase several times, easy to produce Fire phenomenon greatly reduces the normal service life of slide wires and current collector blocks. 
Precautions:
1, bracket installation:
First, fix two brackets at both ends of the track and adjust them to the horizontal standard (one or two points in the middle). Then draw the wire between the brackets as a reference, and install the rest of the brackets at a standard distance (bolts 1800mm, welding 2000mm) to ensure that the wire and the track are parallel and the horizontal parallel error is less than 10mm.
2. Grind the oxide layer with the abrasive cloth at the connection between the guide rail and the connector, apply the conductive paste, tighten the fixing screws, and check the connection gap between the guide rails to be the minimum.
3, collector installation:
The length of the retractor is determined according to the number of poles of the current collector and the installation space, and the installation height dimension of the current collector is determined: the distance between the upper edge of the retractor and the lower edge of the sliding line is preferably 120±2mm (refer to the total installation drawing of the sliding line).
4. End cap: After the main body of the trolley line is installed, put the end cap on both ends.
5, review:
Check the parallelism between the sliding line and the lifting equipment's running track. The requirement is not greater than 20mm. Focus on the status of the collector carbon brush through each node during the test run, and find that the contact problem is solved on the spot, tighten all the fasteners, and try them continuously. After January, all fasteners are tightened again.
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