Centering sleeve for a pile shoe

Abstract

A centering sleeve is provided for a pile shoe to be disposed on a driven pile. The centering sleeve can be elongated starting from an upper end of the centering sleeve along a longitudinal axis to a lower end of the centering sleeve. The centering sleeve has an outer casing surface, and a centering device projecting from the casing surface is disposed on the casing surface.

1 . A centering sleeve for a pile shoe to be disposed on a driven pile, wherein the centering sleeve is configured to be elongated starting from an upper end of the centering sleeve along a longitudinal axis to a lower end of the centering sleeve, wherein the centering sleeve has an outer casing surface, wherein a centering device projecting from the casing surface is disposed on the casing surface. 
     
     
         2 . The centering sleeve according to  claim 1 , wherein the casing surface is rotationally symmetrical with respect to the longitudinal axis. 
     
     
         3 . The centering sleeve according to  claim 1 , wherein the casing surface along the longitudinal axis has an outer diameter which is substantially constant with respect to the longitudinal axis. 
     
     
         4 . The centering sleeve according to  claim 1 , wherein the centering sleeve consists of at least one plastic. 
     
     
         5 . The centering sleeve according to  claim 1 , wherein the centering device comprises at least one fin extending circumferentially with respect to the longitudinal axis. 
     
     
         6 . The centering sleeve according to  claim 5 , wherein the at least one circumferential fin projects substantially radially from the casing surface with respect to the longitudinal axis, wherein the at least one circumferential fin has a radial extension starting from the casing surface up to an outer end of the at least one circumferential fin. 
     
     
         7 . The centering sleeve according to  claim 5 , wherein the at least one circumferential fin consists of at least one plastic. 
     
     
         8 . The centering sleeve according to  claim 5 , wherein the at least one circumferential fin is disposed in the region of the upper end of the centering sleeve. 
     
     
         9 . The centering sleeve according to  claim 5 , wherein the at least one circumferential fin comprises multiple fin segments, wherein two adjacent fin segments are disposed at a spacing from one another, wherein preferably the fin segments are disposed uniformly along a circumference of the casing surface. 
     
     
         10 . The centering sleeve according to  claim 9 , wherein at least one fin segment, preferably all fin segments, has or have a recess or notch, wherein preferably the recess or notch is disposed substantially centrally. 
     
     
         11 . The centering sleeve according to  claim 5 , wherein the centering device comprises a plurality, preferably two to ten, circumferential fins along the longitudinal axis. 
     
     
         12 . The centering sleeve according to  claim 11 , wherein the circumferential fins project substantially radially from the casing surface with respect to the longitudinal axis, wherein the circumferential fins have a radial extension starting from the casing surface up to an outer end of the at least one circumferential fin. 
     
     
         13 . The centering sleeve according to  claim 12 , wherein the radial extensions of the circumferential fins are different. 
     
     
         14 . The centering sleeve according to  claim 1 , wherein at least one support structure for reinforcing the centering sleeve is disposed on an inner wall of the centering sleeve. 
     
     
         15 . The centering sleeve according to  claim 14 , wherein the support structure extends from an upper end of the centering sleeve along a portion of the elongated centering sleeve. 
     
     
         16 . The centering sleeve according to  claim 14 , wherein the support structure comprises support struts, wherein the support struts extend substantially radially to the inner wall of the centering sleeve with respect to the longitudinal axis. 
     
     
         17 . The centering sleeve according to  claim 1 , wherein the centering sleeve has a sleeve section along the longitudinal axis and an adjoining connection section, wherein the sleeve section has the casing surface, wherein the connection section comprises at least one connecting device for connecting the centering sleeve to the pile shoe. 
     
     
         18 . The centering sleeve according to  claim 17 , wherein the at least one connecting device is designed as a recess in the connection section, wherein preferably the at least one recess is designed to correspond to at least one connection device of the pile shoe. 
     
     
         19 . The centering sleeve according to  claim 17 , wherein the connection section has at least one substantially conical outer surface, wherein an outer diameter of the at least one outer surface increases towards the longitudinal axis. 
     
     
         20 . The centering sleeve according to  claim 19 , wherein the connection section has a first outer surface and an adjoining second outer surface in the direction of the longitudinal axis, wherein the first outer surface and the second outer surface are substantially conical, wherein the conicity of the first outer surface is greater than the conicity of the second outer surface. 
     
     
         21 . The centering sleeve according to  claim 20 , wherein the at least one connecting device is formed in the second outer surface. 
     
     
         22 . The centering sleeve according to  claim 17 , wherein the connection section has at least one substantially conical inner surface, wherein an inner diameter of the inner surface increases towards the longitudinal axis. 
     
     
         23 . The centering sleeve according to  claim 22 , wherein the at least one inner surface comprises multiple, preferably two to eight, inner segments along a circumferential direction with respect to the longitudinal axis. 
     
     
         24 . The centering sleeve according to  claim 23 , wherein the at least one inner surface comprises four inner segments along the circumferential direction, wherein two opposing first inner segments in the region of the lower end of the centering sleeve have a first radius of curvature with respect to the longitudinal axis, wherein two opposing second inner segments in the region of the lower end of the centering sleeve have a second radius of curvature with respect to the longitudinal axis, wherein the second radius of curvature is greater than the first radius of curvature. 
     
     
         25 . A pile shoe for a substantially tubular, in particular hollow-cylindrical, driven pile, wherein the centering sleeve according to  claim 1  is or can be disposed on the pile shoe. 
     
     
         26 . The pile shoe according to  claim 25 , wherein the pile shoe comprises a ramming structure for facilitating ramming of the pile shoe in a ramming direction into a subsoil. 
     
     
         27 . The pile shoe according to  claim 26 , wherein the ramming structure comprises a plurality, preferably two to eight, particularly preferably four, ramming ribs and a pile shoe plate, wherein the ramming ribs project from the pile shoe plate in the ramming direction, starting from the pile shoe plate. 
     
     
         28 . The pile shoe according to  claim 27 , wherein the ramming ribs are disposed in a cross shape or star shape on the pile shoe plate, wherein preferably the ramming ribs are designed to converge towards one another in the ramming direction. 
     
     
         29 . The pile shoe according to  claim 27 , wherein outer sides of the ramming ribs are at an angle of approximately 20° to 60° to the pile shoe plate. 
     
     
         30 . The pile shoe according to  claim 25 , wherein the pile shoe has a substantially flat support surface for setting up the pile shoe on a subsoil. 
     
     
         31 . The pile shoe according to  claim 25 , wherein the pile shoe comprises a connection device disposed on the ramming structure, wherein the connection device extends from the ramming structure against the ramming direction, wherein the connection device comprises a connection section and an adjoining guide section against the ramming direction. 
     
     
         32 . The pile shoe according to  claim 31 , wherein the connection section comprises at least one connection device for connecting the pile shoe to the centering sleeve. 
     
     
         33 . The pile shoe according to  claim 32 , wherein the at least one connection device is designed as a, preferably substantially nose-shaped, projection, wherein preferably the at least one projection is designed to correspond to at least one connecting device of the centering sleeve. 
     
     
         34 . The pile shoe according to  claim 31 , wherein the connection section has at least one substantially conical outer wall, wherein a diameter of the at least one outer wall increases in the driving direction. 
     
     
         35 . The pile shoe according to  claim 34 , wherein the at least one outer wall comprises multiple, preferably two to eight, connection segments along a circumferential direction with respect to the driving direction. 
     
     
         36 . The pile shoe according to  claim 35 , wherein the at least one outer wall comprises four connection segments along the circumferential direction, wherein two opposing first connection segments have a first connection curvature radius with respect to the driving direction, wherein two opposing second connection segments have a second connection curvature radius with respect to the driving direction, wherein the second connection curvature radius is greater than the first connection curvature radius. 
     
     
         37 . The pile shoe according to  claim 31 , wherein the guide section comprises a plurality, preferably four, substantially cross-shaped guide webs, wherein preferably outer ends of the guide webs rest against an inner wall of the centering sleeve when the centering sleeve is disposed on the pile shoe. 
     
     
         38 . The pile shoe according to  claim 37 , wherein the outer end of at least one guide web, preferably the outer ends of at least two opposite guide webs, has or have a widening, wherein the widening has a curvature, wherein preferably the curvature is designed to correspond to the inner wall of the centering sleeve when the centering sleeve is disposed on the pile shoe. 
     
     
         39 . A driven pile comprising the pile shoe according to  claim 25  disposed on a driving end of the driven pile, wherein a centering sleeve is disposed on the pile shoe. 
     
     
         40 . The driven pile according to  claim 39 , wherein the driven pile is hollow-cylindrical at least in the region of the ramming end, wherein the centering sleeve is disposed inside the driven pile, wherein the centering device rests against an inner pile wall of the driven pile.