US 11,835,469 B2
Apparatus and methods for the automatic cleaning and inspection systems of coke drums
Roberto Enrique Bello, Los Teques - Los Teques (VE); and Gabriel Vivas, Los Teques - Estado Miranda (VE)
Filed by Roberto Enrique Bello, Los Teques - Los Teques (VE); and Gabriel Vivas, Los Teques - Estado Miranda (VE)
Filed on Sep. 16, 2021, as Appl. No. 17/447,834.
Claims priority of provisional application 63/079,139, filed on Sep. 16, 2020.
Prior Publication US 2022/0082509 A1, Mar. 17, 2022
Int. Cl. G01N 21/90 (2006.01); G01N 29/22 (2006.01); G01N 21/01 (2006.01)
CPC G01N 21/9009 (2013.01) [G01N 29/223 (2013.01); G01N 2021/0187 (2013.01); G01N 2201/0224 (2013.01); G01N 2201/0225 (2013.01); G01N 2201/06 (2013.01); G01N 2201/102 (2013.01); G01N 2291/2636 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A coke drum inspection system comprising:
an adjustable ramp system configured to transfer an inspection crawler into and out of an interior space of a coke drum, the adjustable ramp system comprising:
a horizontal section having a horizontal length comprising a drive gear rotatably positioned on a first end, a first guided gear in meshing arrangement with the drive gear coupled to a first worm screw rotatably mounted to the horizontal section, a second guided gear in meshing arrangement with the drive gear coupled to a second worm screw rotatably mounted to the horizontal section;
a vertical section having an adjustable vertical length, a first vertical drive shaft threadably engaged within a portion of the horizontal section and in meshing arrangement with the first worm screw, a second vertical drive shaft threadably engaged within a portion of the horizontal section and in meshing arrangement with the second worm screw;
an angular displacement device positioned on a bottom end of the vertical section configured to be angularly adjustable relative to the vertical section;
and a front section having an adjustable front section length coupled to the angular displacement device; and
a ramp surface having an adjustable ramp length positioned on a portion of the horizontal section, the vertical section and the front section configured to provide a contiguous surface.