Underfloor lifting platform for lifting vehicles

A method for mounting a bearing in an underfloor lifting platform for lifting vehicles, the method comprising the following steps:

• providing a canister, configured to be arranged underground to define an in-ground environment;
• providing a first and a second cylinder piston units, operatively arranged within the canister in an upside configuration with the piston edge abutting the bottom of the canister, the first and the second cylinder piston units being movable along a vertical direction;
• providing, per each cylinder piston units, a plate, including a central aperture, for receiving a cylinder liner in sliding contact therethrough, and through holes surrounding the central aperture;
• providing, per each cylinder piston units, a sleeve elongated along a longitudinal axis and including a lateral wall, surrounding the longitudinal axis to define a passage for receiving the cylinder liner in sliding contact therethrough, and connecting portions integral to the lateral wall and surrounding the passage;
• positioning each sleeve below the respective plate so that the connecting portions are arranged below the through holes of the plate;
• fastening the plate to the connecting portions of the sleeve by means of connectors operatively inserted into the through holes (403) of the plate;
• coupling each bearing on the corresponding cylinder piston units;
• fixing each plate to the canister at the floor level.

An underfloor lifting platform for lifting vehicles, comprising:

• a canister, configured to be arranged underground to define an in-ground environment;
• a first and a second cylinder piston units, operatively arranged within the canister in an upside configuration with the piston edge abutting the bottom of the canister, the first and the second cylinder piston units being movable along a vertical direction;
• a first and a second bearing, operatively associated to an upper region of the canister and configured to slidably guide the cylinder liners of the first and a second cylinder piston units, respectively, in the movement of the first and the second cylinder piston units along the vertical direction,
• wherein each bearing comprises:
• a plate, including a central aperture, for receiving the cylinder liner in contact therethrough, and through holes surrounding the central aperture;
• a sleeve, elongated along a longitudinal axis and including a lateral wall, surrounding the longitudinal axis to define a passage for receiving the cylinder liner in sliding contact therethrough, and connecting portions integral to the lateral wall and surrounding the passage, the sleeve being positioned below the plate so that the connectors fasten the plate to the sleeve.

An underfloor lifting platform for lifting vehicles, comprising:

• a canister, configured to be arranged underground to define an in-ground environment;
• a first and a second cylinder piston units, operatively arranged within the canister in an upside configuration with the piston edge abutting the bottom of the canister, the first and the second cylinder piston units being movable along a vertical direction;
• a first and a second bearing, operatively associated to an upper region of the canister and configured to slidably guide the cylinder liners of the first and a second cylinder piston units, respectively, in the movement of the first and the second cylinder piston units along the vertical direction,
• wherein each bearing comprises:
• a plate, including a central aperture, for receiving the cylinder liner in contact therethrough, and through holes surrounding the central aperture;
• a sleeve, elongated along a longitudinal axis and including a lateral wall, surrounding the longitudinal axis to define a passage for receiving the cylinder liner in sliding contact therethrough, and connecting portions integral to the lateral wall and surrounding the passage;
• connectors, operatively inserted into the through holes of the plate to engage the connecting portions of the sleeve positioned below the plate, so to fasten the plate to the sleeve, the underfloor lifting platform comprising:
• a coupling member operatively integral with the canister and distanced from the plate along the longitudinal axis, the coupling member including an outer profile counter-shaped to at least a part of the outer surface of the sleeve, wherein the coupling member operatively abuts to the sleeve at the outer profile, and
• for each bearing, a self-carrying system, including:
• a first bracket connected to a surface of the plate facing the sleeve and to the sleeve;
• a second bracket connected the surface of the plate facing the sleeve and to the sleeve in such a way that the sleeve is interposed between the first and the second bracket;
• a base element interposed between the bottom of the canister and the piston edge;
• a first connector elongating from the first bracket to the base element;
• a second connector elongating from the second bracket to the base element;
• wherein the coupling member is angularly offset around the longitudinal axis with respect to the first and the second bracket, so as to avoid a reciprocal interference between the coupling member and the first and second bracket.

An underfloor lifting platform for lifting vehicles, comprising:

• a canister, configured to be arranged underground to define an in-ground environment;
• a first and a second cylinder piston units, operatively arranged within the canister in an upside configuration with the piston edge abutting the bottom of the canister, the first and the second cylinder piston units being movable along a vertical direction;
• a first and a second bearing, operatively associated to an upper region of the canister and configured to slidably guide the cylinder liners of the first and a second cylinder piston units, respectively, in the movement of the first and the second cylinder piston units along the vertical direction,
• wherein each bearing comprises:
• a plate, including a central aperture, for receiving the cylinder liner in contact therethrough, and through holes surrounding the central aperture;
• a sleeve, elongated along a longitudinal axis and including a lateral wall, surrounding the longitudinal axis to define a passage for receiving the cylinder liner in sliding contact therethrough, and connecting portions integral to the lateral wall and surrounding the passage;
• connectors, operatively inserted into the through holes of the plate to engage the connecting portions of the sleeve positioned below the plate, so to fasten the plate to the sleeve,
• the underfloor lifting platform comprising a pair of guide profiles, wherein the guide profiles:
• are arranged fixed to the canister, elongate parallel to a horizontal axis belonging to a reference plane defined by the plate and perpendicular to the longitudinal axis,
• are reciprocally spaced along a transversal direction, the transversal direction being parallel to the reference plane and perpendicular to the horizontal axis,
• provide a pair of upper surfaces facing upwards in the longitudinal axis,
• wherein each bearing is located between the guide profiles in such a way that the corresponding plate lays on the upper surfaces so that the bearing can slide along the horizontal axis.

An underfloor lifting platform for lifting vehicles, comprising:

• a canister, configured to be arranged underground to define an in-ground environment;
• a first and a second cylinder piston units, operatively arranged within the canister in an upside configuration with the piston edge abutting the bottom of the canister, the first and the second cylinder piston units being movable along a vertical direction;
• a first and a second bearing, operatively associated to an upper region of the canister and configured to slidably guide the cylinder liners of the first and a second cylinder piston units, respectively, in the movement of the first and the second cylinder piston units along the vertical direction,
• wherein each bearing comprises:
• a plate, including a central aperture, for receiving the cylinder liner in contact therethrough, and through holes surrounding the central aperture;
• a sleeve, elongated along a longitudinal axis and including a lateral wall, surrounding the longitudinal axis to define a passage for receiving the cylinder liner in sliding contact therethrough, and connecting portions integral to the lateral wall and surrounding the passage;
• connectors, operatively inserted into the through holes of the plate to engage the connecting portions of the sleeve positioned below the plate, so to fasten the plate to the sleeve, wherein the sleeve has an upper hollow tubular portion operatively inserted into the central aperture of the plate, the upper hollow tubular portion has an axial extension slightly higher than a thickness of the plate so that the upper hollow tubular portion has a circular rim arranged substantially flush with an upper surface of the plate.