Operation platform for elevator shaft construction and use method thereof
Technical Field
The invention relates to the field of scaffolds supported mainly by a house wall structure, in particular to an operation platform for elevator hoistway construction and a using method thereof.
Background
With the high-rise buildings becoming the mainstream of civil buildings and the popularization of elevator equipment. When the elevator shaft is constructed, the inner space is narrow, and the elevator shaft is a through cylinder from the bottom of the building to the roof. In order to facilitate the internal construction in the construction process, an internal scaffold is often erected by adopting scaffold pipes. However, the scaffold erected by the scaffold pipes has the defects of repeated assembling and disassembling, low safety factor and the like. Can lead to the support body unstability because the condition such as fastener is not hard up, scaffold pipe corrosion in the use, need often maintain, lead to the maintenance cost increase.
Disclosure of Invention
The invention discloses an operation platform for elevator shaft construction and a using method thereof, and aims to overcome the defects of the prior art and provide a building platform which is convenient to build, easy to disassemble, safe and reliable.
The invention achieves the purpose by the following technical scheme:
the utility model provides an operation platform for construction of elevator well, includes the roof, characterized by: also comprises a top bracing frame, a longitudinal bracing frame, an inclined bracing frame, a supporting plate, a hinge and a triangular bracing frame,
the top bracing frame is in a grid shape, the top bracing frame is formed by welding all channel steels in a criss-cross mode, and the top plate is fixed on the upper plane of the top bracing frame;
the two sides of the top support frame are respectively detachably fixed with a longitudinal support frame and an inclined support frame by bolts, the longitudinal support frame and the inclined support frame are both composed of at least two parallel channel steel, the longitudinal support frame and the inclined support frame are both arranged below the top support frame, the bottom end of the inclined support frame penetrates out of the lower part of the bottom end of the longitudinal support frame, and the bottom end of the inclined support frame is fixed with a support plate;
the lower part of the longitudinal support frame is provided with a hinge, the bottom edge of the triangular support frame is rotatably arranged at the lower part of the longitudinal support frame through the hinge, a plane determined by one side edge of the top support frame and one side edge of the longitudinal support frame positioned at the same side is a plane A, and the projection of two edges of the vertex angle of the triangular support frame on the plane A is larger than the length of one side edge of the top support frame.
The operation platform for elevator shaft construction is characterized in that: the side length of the top support frame grid is not more than 500mm, and a lifting lug is arranged on the top support frame; a plane determined by two connecting lines of two end points of two sides of the longitudinal support frame fixed by the top support frame and a bottom end point of the longitudinal support frame positioned on the same side is a plane B, and when the triangular support frame is attached to the plane of the inclined support frame around the hinge, the mass center of a component consisting of the top plate, the top support frame, the longitudinal support frame, the inclined support frame, the supporting plate, the hinge and the triangular support frame is positioned on the plane B.
The use method of the operation platform for elevator shaft construction is characterized in that: comprises the steps of installation and disassembly, and is characterized in that,
when in installation, the method is implemented in sequence according to the following steps:
fixing a top plate on a top bracing frame, hoisting a component consisting of a longitudinal bracing frame, an inclined bracing frame, a supporting plate, a hinge and a triangular bracing frame into an elevator shaft, enabling the bottom end of the inclined bracing frame and the supporting plate to penetrate out of a door opening on the side wall of the elevator shaft and abut against the lower edge of the door opening, enabling the triangular bracing frame to rotate around the hinge until the vertex angle of the triangular bracing frame abuts against the side wall of the elevator shaft, which is opposite to the door opening, and one end of the top bracing frame for fixing the inclined bracing frame abuts against the side wall of the elevator shaft, which is opposite to the door opening, detachably fixing the top bracing frame with the top plate on the longitudinal bracing frame and the inclined bracing frame by bolts, wherein an inclined wedge is lined between one end of the top bracing frame for fixing the longitudinal bracing frame and the side wall on the same side of the door opening of the elevator shaft;
when the disassembly is carried out: the method is implemented in sequence according to the following steps:
and taking out the wedge, unloading the top support frame fixed with the top plate from the longitudinal support frame and the inclined support frame, hanging out the top support frame, folding the triangular support frame, and hanging out a member consisting of the longitudinal support frame, the inclined support frame, the supporting plate, the hinge and the triangular support frame from the elevator shaft.
The invention better solves the work of erecting the operation platform in the elevator shaft through the combination of the sizing processing channel steel system and the additional triangular safety support, can fully ensure the high safety and the high reliability, has flexible disassembly and assembly, can quickly erect the operation platform in the narrow space of the elevator shaft, and has better operation efficiency than a steel pipe frame body.
The device mainly adopts channel steel to manufacture all parts and serves as a main supporting system, the bayonet at the bottom is used as a main supporting stress point, the device is clamped in an elevator shaft by utilizing the self weight and the mass center offset of the device, and the bayonet at the bottom cannot slip through the triangular support frame at the lower part.
The invention has the beneficial effects that:
1. the manufacturing is simple and convenient, and the processing can be finished in a ground processing field;
2. the turnover is rapid and convenient, and the operation can be rapidly converted to a required operation surface;
3. the danger caused by insufficient fastening force of the fastener when the scaffold tube is erected is avoided;
4. the safety of the supporting structure is further ensured through the lower triangular support frame;
5. the material has wide source and low price, and can be repeatedly used after being simply modified.
Drawings
FIG. 1 is a top view of the present invention with the top and diagonal braces connected;
FIG. 2 is a front view of the top plate, top bracket, angle bracket and triangular bracket of the present invention after they are connected;
figure 3 is a cross-sectional view of the present invention in use.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
The utility model provides an operation platform for construction of elevator well, includes roof 1, top strut 2, indulges bracing frame 3, bracing frame 4, fagging 5, hinge 6 and triangular supports 7, as shown in fig. 1-3, the concrete structure is:
the top support frame 2 is in a grid shape, the top support frame 2 is formed by welding all channel steels in a criss-cross mode, the side length of the top support frame 2 is 200mm smaller than that of the corresponding elevator shaft 11, the top plate 1 is fixed on the upper plane of the top support frame 2, and the side length of the top plate 1 is 100mm smaller than that of the corresponding elevator shaft 11;
the longitudinal support frame 3 and the inclined support frame 4 are detachably fixed on two sides of the top support frame 2 through bolts respectively, the longitudinal support frame 3 and the inclined support frame 4 are both composed of two parallel channel steel, the longitudinal support frame 3 and the inclined support frame 4 are arranged below the top support frame 2, the bottom end of the inclined support frame 4 penetrates out of the lower part of the bottom end of the longitudinal support frame 3, a support plate 5 is fixed at the bottom end of the inclined support frame 4, and the distance between the support plate 5 and the bottom end of the longitudinal support frame 3 is 300 mm;
the lower part of the longitudinal support frame 3 is provided with a hinge 6, the bottom edge of the triangular support frame 7 is rotatably arranged at the lower part of the longitudinal support frame 3 through the hinge 6, a plane determined by one side edge of the top support frame 2 and one side edge of the longitudinal support frame 3 positioned at the same side is a plane A, and the projection of the two side edges of the vertex angle of the triangular support frame 7 on the plane A is 100mm longer than the corresponding side length of the elevator hoistway 11.
In this embodiment: the side length of the top bracing frame 2 is not more than 500mm, and lifting lugs are arranged on the top bracing frame 2; when the triangular support frame 7 is attached to the plane of the inclined support frame 4 around the hinge 6, the mass center of a component consisting of the top plate 1, the top support frame 2, the longitudinal support frame 3, the inclined support frame 4, the supporting plate 5, the hinge 6 and the triangular support frame 7 is on the plane B, namely the mass center is on a line segment AB as shown in figure 3.
When the embodiment is used, the installation and the disassembly are included,
when in installation, the method is implemented in sequence according to the following steps:
fixing a top plate 1 on a top strut 2, hoisting a component consisting of a longitudinal strut 3, an inclined strut 4, a supporting plate 5, a hinge 6 and a triangular strut 7 into an elevator shaft way 11, enabling the bottom end of the inclined strut 4 and the supporting plate 5 to penetrate out of a door opening 12 on the side wall of the elevator shaft way 11 and abut against the lower edge of the door opening 12, enabling the triangular strut 7 to rotate around the hinge 6 until the vertex angle of the triangular strut 7 abuts against the side wall of the elevator shaft way 11, which faces the door opening 12, and one end of the top strut 2, which is used for fixing the inclined strut 4, abuts against the side wall of the elevator shaft way 11, which faces the door opening 12, detachably fixing the top strut 2, which is fixed with the top plate 1, on the longitudinal strut 3 and the inclined strut 4 by bolts, and lining an inclined wedge 8 between one end of the top strut 2, which is used for fixing the longitudinal strut 3, and the side wall on the same side of the door opening 12 of the elevator shaft way 11;
when the disassembly is carried out: the method is implemented in sequence according to the following steps:
the wedge 8 is taken out, the top support frame 2 fixed with the top plate 1 is detached from the longitudinal support frame 3 and the inclined support frame 4 and is lifted out, the triangular support frame 7 is folded, and a component consisting of the longitudinal support frame 3, the inclined support frame 4, the supporting plate 5, the hinge 6 and the triangular support frame 7 is lifted out from the elevator shaft 11.