Hydraulic back-off type quick connection work platform

Abstract

The utility model discloses a hydraulic pressure reverse buckling type quick connection operation platform, including the platform of the through hole of central opening, the platform bottom surface fixedly has the base in the middle, it is the circular ring body of being able to set up on the top of connecting flange, the annular beam group is by the inner annular beam and outer annular beam of interval cover in the base, a plurality of jack sets up in each hydraulic installation hole on the inner annular beam in its piston rod rod end outward setting mode, and a plurality of push rods are respectively threaded in each hydraulic installation hole on the outer annular beam, and its one end is fixed in the piston rod rod end, and the other end is fixed with wedge locking assembly, every wedge locking assembly includes upper wedge and lower wedge, and both are obliquely slidingly arranged, the hydraulic pressure reverse buckling type quick connection operation platform is applicable to the quick fixed connection of offshore wind power single pile foundation and guide pipe frame foundation top operation platform, and can ensure the fixed connection stability of operation platform and fixed foundation, and the reliability is strong.

Claims

1. A hydraulic reverse-locking quick-connection work platform, characterized in that, The system includes a platform body (1), which is a platform with a through hole in the center; a base (2) is fixed in the center of the bottom surface of the platform, and the base (2) is a circular ring body adapted to the size of the connecting flange (7) on the top side of the fixed foundation, so as to be erected on the top of the connecting flange (7); the ring beam assembly (3) is composed of an inner ring beam and an outer ring beam, which are arranged coaxially with the base (2) and spaced inside the base (2), and fixed on the bottom surface of the platform body (1); multiple hydraulic mounting holes (301) are evenly distributed along the circumference on the side walls of the inner ring beam and the outer ring beam; multiple jacks (4) are arranged with their piston rods (401) facing outwards, and each piston rod (401) is movably inserted into the hydraulic mounting holes (301) on the inner ring beam; multiple push rods (5) are movably inserted into the hydraulic mounting holes (301) on the outer ring beam. Inside, and coaxially arranged with multiple jacks (4); one end of each push rod (5) is fixedly connected to the end of the piston rod (401), and the other end is connected to a wedge locking assembly (6); each wedge locking assembly (6) is spaced apart below the base (2), each wedge locking assembly (6) includes an upper wedge (601) and a lower wedge (602), the lower wedge (602) is fixedly connected to the push rod (5), the upper wedge (601) is slidably arranged on the upper inclined surface of the lower wedge (602) through the lower inclined surface of the bottom, so that by the up and down movement of the upper wedge (601) relative to the lower wedge (602), when the push rod (5) pushes the lower wedge (602) toward the inner wall of the base (2), the upper wedge (601) moves obliquely upward along the lower wedge (602) until its top can tightly abut against the bottom surface of the connecting flange (7), and its end face can tightly abut against the inner wall of the fixed foundation.

2. The hydraulic reverse-locking quick-connection work platform according to claim 1, characterized in that, A reinforcing grid beam (101) is provided on the bottom surface of the platform body (1); the reinforcing grid beam (101) is composed of multiple first rectangular steels and multiple second rectangular steels; the multiple first rectangular steels are arranged end to end around the through hole of the platform body (1) and fixed on the bottom surface of the platform body (1); the multiple second rectangular steels are arranged radially along the circumference and fixed on the bottom surface of the platform body (1), and each second rectangular steel is fixedly connected to the first rectangular steel and the outer wall of the annular base (2) respectively.

3. The hydraulic reverse-lock quick-connect working platform according to claim 1, characterized in that, An annular buffer pad (201) is attached to the bottom surface of the base (2) so that the bottom surface of the base (2) contacts the top surface of the connecting flange (7) through the annular buffer pad (201).

4. The hydraulic reverse-locking quick-connection work platform according to claim 1, characterized in that, Multiple jack fixing boxes (403) are evenly distributed along the circumference on the inner wall of the inner ring beam, and are respectively fitted on the outside of the cylinder (402) of each jack (4); each jack fixing box (403) is fixedly connected to the cylinder (402) and the inner ring beam, so that the jack (4) is kept in a horizontal position.

5. The hydraulic reverse-lock quick-connect working platform according to claim 1, characterized in that, The upper wedge (601) is a trapezoidal block with a lower inclined surface on one end. A groove (607) is provided in the center of the lower inclined surface along the inclined direction. A limiting hole (603) is provided in the longitudinal direction on the top surface, which is connected to the groove (607). The horizontal cross section of the limiting hole (603) is strip-shaped. The lower wedge (602) is a trapezoidal block with an upper inclined surface on one end. A protrusion (605) is provided in the center of the upper inclined surface along the inclined direction. The size of the protrusion (605) is adapted to the size of the groove (607). A limiting pin (606) is vertically fixed on the protrusion (605). The vertical end face of the other end of the lower wedge (602) is vertically fixed to the other end of the push rod (5).

6. The hydraulic reverse-locking quick-connection work platform according to claim 5, characterized in that, The inclination angle of the lower inclined surface of the upper wedge (601) is the same as that of the upper inclined surface of the lower wedge (602), and the inclination angle is set to 10°±0.5°.

7. The hydraulic reverse-locking quick-connection work platform according to claim 5, characterized in that, Polyurethane rubber pads (604) are respectively attached to the top surface and vertical end face of the other end of the upper wedge (601), and the height of the polyurethane rubber pads (604) on the top surface of the upper wedge (601) satisfies the following condition: when the limiting pin (606) moves to the side close to the polyurethane rubber pad (604), the top of the limiting pin (606) is lower than the top surface of the polyurethane rubber pad (604).

8. The hydraulic reverse-locking quick-connection work platform according to claim 5, characterized in that, The limiting pin (606) includes a limiting rod vertically inserted into the limiting hole (603) and a limiting cap fixed to the top of the limiting rod. The outer diameter of the limiting cap is larger than the diameter of the limiting hole (603).

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