10.5　Installation of Port Extracting Device

10.5.1　Before the installation of port extracting device，the center mark which is authorized is set on the platform beam.

10.5.2　The adjusting shim plate shall be accurate in position，and shall be cushioned compactly.

10.5.3　For rail beams on the trolley frame，upper rail beam should be installed firstly，then，upper rail beam is installed，and finally，rails are installed.

10.5.4　S type slideway shall be installed after the installation of port extractor main body.During installation，S type slideway should be subjected to preliminary orientation，and fixed after the positions of ports are determined during test running.

10.5.5　Welding quality shall meet the requirements of design documents.When design does not have requirements，appearance quality of welds shall meet the requirements of Code for Construction and Acceptance of Field equipment，Industrial Pipe Welding Work GB 50683 as current national standard，namely the check grade of the appearance quality of welds of site equipment is gradeⅢ.

10.5.6　The installation of Rails of port extractor shall be in compliance with the following requirements:

1　The elevation of rails is adjusted，and allowable deviation shall be±5.0mm；

2　Height difference of any two points in full stroke is adjusted，and allowable deviation shall be 2.0mm；

3　Height difference on the same cross section is adjusted，and allowable deviation shall be 2.0mm；

4　Space between upper and lower rails on the same side is adjusted，and allowable deviation shall be

5　The center distance of rails and port extracting device is adjusted，and allowable deviation shall be

6　The distance of centers of rails and coke pushing center is adjusted，and allowable deviation shall be±2.0mm.

10.5.7　The installation of port extractor shall be in compliance with the following requirements:

1　The concentricity of upper and lower swing bearings of bracket of port extractor is adjusted，and allowable deviation shall be 0.5mm；

2　The elevation of upper port hook is adjusted，and allowable deviation shall be±5.0mm；

3　Space between the center of the port hook and the center of the coke pushing ram is adjusted，and allowable deviation shall be 5.0mm；

4　The port extracting position and left and right slope of extractor head is adjusted，and allowable deviation shall be 8.0mm；

5　The port extracting position and front and rear slope of extractor head is adjusted，and allowable deviation shall be 6.0mm；

6　Space between upper and lower port hooks is adjusted，and allowable deviation shall be±5.0mm.