Freely movable construction platform

Patent metadata

Field	Value
Publication number	US-12180729-B2
Application number	US-202418670668-A
Country	US
Kind code	B2
Filing date	May 21, 2024
Priority date	May 25, 2023
Publication date	Dec 31, 2024
Grant date	Dec 31, 2024

Abstract

A construction platform that is freely movable up and down is provided, which includes several curved platforms, several columns and a control panel. The curved platforms are connected with one after the other to form a ring-shaped platform that surrounds a cylindrical building and is movable along the columns. Each curved platform is provided with one or more mounting brackets. Each mounting bracket is provided with one or more movable brackets, one or more pressing mechanisms, one or more locking mechanisms, one or more movable rods, one or more suction cups, a pumping mechanism, and one or more emergency braking mechanisms. Each emergency braking mechanism includes a sprocket, a chain, a counterweight, an angle sensor, and a configuring assembly. Each configuring assembly includes a ring gear, a mounting sleeve, a configuring rod, a pawl, a torsion spring, an electromagnet and a magnetic block.

First claim

The invention claimed is:

1. A construction platform comprising:
a plurality of curved platforms and a plurality of columns, wherein the plurality of columns are configured to be distributed in a manner of surrounding a cylindrical building, the plurality of curved platforms are connected to and movable along the plurality of columns, the plurality of curved platforms are connected to one after the other to form a ring-shaped platform that surrounds the cylindrical building and is movable along lengths of the plurality of columns, each curved platform of the plurality of curved platforms is provided with one or more mounting brackets, and each mounting bracket of the one or more mounting brackets is provided with:
one or more movable brackets, wherein each of the one or more movable brackets is provided with one or more drive wheels that are motor drivable;
one or more pressing mechanisms that are electrically controllable, wherein the one or more pressing mechanisms correspond one-to-one to the one or more movable brackets, and each of the one or more pressing mechanisms is configured to drive a corresponding movable bracket of the one or more movable brackets to move towards the cylindrical building, such that the one or more drive wheels that are arranged on the corresponding movable bracket are pressed against a side wall of the cylindrical building;
one or more locking mechanisms electrically controllable, wherein the one or more locking mechanisms are configured to lock the each mounting bracket to the cylindrical building;
one or more movable rods, wherein each movable rod of the one or more movable rods is sleeved with a first spring, a first end of the each movable rod is provided with a suction cup, and the first spring is configured to press the suction cup to contact the side wall of the cylindrical building;
a pumping mechanism in communication with the suction cup, wherein the pumping mechanism is configured to, when the suction cup contacts the side wall of the cylindrical building, pump air between the suction cup and the side wall of the cylindrical building, to form a vacuum cavity between the suction cup and the side wall of the cylindrical building such that the suction cup sucks and holds on the cylindrical building; and
one or more emergency braking mechanisms, wherein the one or more emergency braking mechanisms correspond one-to-one to the one or more movable rods, and each of the one or more emergency braking mechanisms comprises:
a sprocket arranged on the each mounting bracket;
a chain that matches the sprocket, wherein a first end of the chain is connected to a second end of a corresponding movable rod of the one or more movable rods, a second end of the chain is connected to a counterweight, the counterweight is used in detecting whether the each curved platform is in a normal state or in an abnormal falling state, and wherein:
when the each curved platform is in the normal state, the counterweight is configured to pull the chain to drive, by a gravity of the counterweight, the corresponding movable rod and the suction cup that is arranged on the corresponding movable rod to move away from the side wall of the cylindrical building; and
when the each curved platform is in the abnormal falling state, under an action of inertia of the counterweight, the suction cup arranged on the corresponding movable rod is pressed by the first spring sleeved on the corresponding movable rod to contact the side wall of the cylindrical building to form the vacuum cavity between the suction cup arranged on the corresponding movable rod and the side wall of the cylindrical building;

an angle sensor, wherein the angle sensor is connected to the sprocket and is configured to detect a rotating direction of the sprocket and a rotating angle of the sprocket; and
a configuring assembly for configuring the rotating direction of the sprocket, comprising:
a ring gear that is fixedly arranged on the sprocket and is coaxial with the sprocket;
a mounting sleeve arranged on the each mounting bracket;
a configuring rod that is movable, wherein the configuring rod is sleeved with a second spring, a first end of the configuring rod is provided with a plate pressable by the second spring, both the plate and the second spring are arranged in the mounting sleeve, the second spring is connected to the mounting sleeve, and a first end of the second spring is configured to contact and press the plate;
a pawl arranged on a second end of the configuring rod, wherein the pawl is configured to unidirectionally swing;
a torsion spring connected between the pawl and the second end of the configuring rod, wherein the torsion spring is configured to cause the pawl to reset to a position at which the pawl is insertable between two teeth of the ring gear;
an electromagnet arranged on the mounting sleeve and electrically controllable; and
a magnetic block arranged on the configuring rod and adjacent to the electromagnet; and wherein:
when the each curved platform is in the normal state, the second spring is configured to press the plate arranged on the first end of the configuring rod to drive the configuring rod and the pawl arranged on the second end of the configuring rod to move away from the ring gear, such that the rotating direction of the sprocket is not limited; and
when the each curved platform is in the abnormal falling state, the electromagnet is configured to be activated to repel the magnetic block, such that the configuring rod and the pawl arranged on the second end of the configuring rod are driven to move towards the ring gear, the pawl enters between two teeth of the ring gear, and the sprocket is prevented from rotating in a direction that leads the corresponding movable rod and the suction cup that is arranged on the corresponding movable rod to move away from the side wall of the cylindrical building.

2. The construction platform of claim 1 , wherein the pumping mechanism comprises:
a pumping assembly that is electrically controllable; and
a pipe for communication between the pumping assembly and the suction cup.

3. The construction platform of claim 1 , wherein each of the one or more locking mechanisms comprises:
a first hydraulic cylinder that is electrically controllable, wherein the first hydraulic cylinder is provided with a piston rod;
a movable block arranged on a first end of the piston rod, wherein the movable block is provided with a first inclined plane; and
a guide block embedded in a limitation groove that is arranged in the side wall of the cylindrical building, wherein the guide block is provided with a second inclined plane that matches the first inclined plane; and
wherein:
when the piston rod is driven by the first hydraulic cylinder to move towards the side wall of the cylindrical building, the movable block enters the limitation groove and is blocked by inner walls of the limitation groove, such that the movable block is unmovable up and down and the each mounting bracket is locked to the cylindrical building; and
when the movable block enters the limitation groove, the first inclined plane of the movable block contacts the second inclined plane of the guide block.

4. The construction platform of claim 1 , wherein each of the one or more pressing mechanisms comprises a second hydraulic cylinder that is electrically controllable, the second hydraulic cylinder is connected to the corresponding movable bracket to drive the corresponding movable bracket to move towards and press the cylindrical building.

5. The construction platform of claim 1 , wherein an outer edge of the suction cup is provided with a rubber strip.

6. The construction platform of claim 1 , wherein the each curved platform of the plurality of curved platforms is further provided with

Assignees

• Univ Hainan
• China Nat Chemical Engineering No 13 Construction Co Ltd

Inventors

• Wang Yongwei
• Dong Qinxi
• Wang Qunwei

Classifications

• E04G2003/286

  mobile vertically · CPC title

• E04G5/00

  Component parts or accessories for scaffolds (connections E04G7/00) · CPC title

• E04G3/28 Primary

  Mobile scaffolds; Scaffolds with mobile platforms {(movable inspection or maintenance platforms for bridges E01D19/106, lifting devices for movable platforms, e.g. on vehicles B66F11/04)} · CPC title

• E04G2005/008

  Hoisting devices specially adapted as part of a scaffold system · CPC title

• E04G5/04 Primary

  Means for fastening, supporting, or bracing scaffolds on or against building constructions (fastenings in general F16B) · CPC title