CN216949181U - Convenient installation and disassembly double-race stair - Google Patents

Abstract

The utility model discloses a convenient mounting and dismounting double-running stair, which comprises a base, a standard joint and a protection joint, wherein the base is provided with a base frame; the bottom of the standard knot is provided with a base, the top of the standard knot is provided with a protection knot, and a plurality of groups of standard knots are mutually connected through bolts; the dual-running stair type on the outer frame of the standard knot is provided with a pedal, the middle part of the outer frame is provided with a rest platform plate, and the bottom and the top of the outer frame are both provided with turning plates. A railing is arranged on one side of the pedal, which is far away from the outer frame. The turning plate is connected with the outer frame through a hinge, and two sides of the turning plate are connected with the outer frame through iron chains. The pedal, the rest platform plate and the turning plate are all formed by welding third square steel and a patterned steel plate, and the third square steel is of a rectangular structure and is welded on the patterned steel plate; the convenient and fast mounting and dismounting double-running stair provided by the utility model has the advantages of simple structure, turnover use and capability of being used for designing the double-running stair.

Description

Convenient installation and disassembly double-race stair

Technical Field

The utility model relates to the technical field of building stairs, in particular to a convenient and fast mounting and dismounting double-race stair.

Background

Along with the high-speed development of the building industry, the building construction increasingly attaches importance to efficient, safe and civilized construction, and the assembly type can meet the requirements, so that the assembly type building is more and more widely applied; the fabricated building comprises prefabricated bay windows, prefabricated walls, prefabricated columns, prefabricated beams, laminated slabs, prefabricated stairs and the like;

in the fabricated building, the floor slab generally adopts a laminated slab and a cast-in-place layer, so that when concrete is poured, the strength of the floor slab is insufficient, prefabricated stairs cannot be installed immediately, the stairs are 1-2 layers lower than the slab surface, the stair cannot go up to the construction slab surface through the stairs at the moment, the stair can only go to the construction slab surface through an upper channel and a lower channel on the outer frame, the passage of the outer frame is narrow, the stair is inconvenient to pass through, and a large number of personnel stay on the outer frame, so that potential safety hazards exist; meanwhile, as the stair part is suspended, each layer is required to be provided with temporary protection, a finished stair similar to a ladder cage is generally installed at the stair part; however, for the building adopting the design of the dual-run stair, the conventional finished stair does not have a plane foothold, and due to the design of the dual-run stair, a rest platform is arranged in the middle of a first floor, so that the stair position space is narrow, and the stair is large in gradient and difficult to walk due to the adoption of the conventional finished stair.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the background technology, and provides a convenient and fast mounting and dismounting double-race stair which has the advantages of simple structure, turnover use and capability of being used for designing the double-race stair.

The purpose of the utility model can be realized by the following technical scheme:

a convenient dual-race stair for installation and disassembly comprises a base, a standard joint and a protection joint; the bottom of the standard knot is provided with a base, the top of the standard knot is provided with a protection knot, and a plurality of groups of standard knots are mutually connected through bolts;

the dual-running stair type on the outer frame of the standard knot is provided with a pedal, the middle part of the outer frame is provided with a rest platform plate, and the bottom and the top of the outer frame are both provided with turning plates.

As a further scheme of the utility model: a railing is arranged on one side of the pedal, which is far away from the outer frame.

As a further scheme of the utility model: the turning plate is connected with the outer frame through a hinge, and two sides of the turning plate are connected with the outer frame through iron chains.

As a further scheme of the utility model: the pedal, the rest platform plate and the turning plate are all formed by welding a third square steel and a patterned steel plate, and the third square steel is of a rectangular structure and is welded on the patterned steel plate.

As a further scheme of the utility model: the base is formed by welding a first square steel and a second square steel, and the second square steel of the base is fixedly connected with the outer frame of the standard knot through a bolt.

As a further scheme of the utility model: the protection festival is formed by first square steel and third party steel welding, and the first square steel welding of protection festival is on the top of outer frame, or the bottom of protection festival adopts the second square steel that has the bolt, through second square steel and outer frame attach.

As a further scheme of the utility model: the height of the protective joint is 1 m.

The utility model has the beneficial effects that:

the length and the size of the material used by the utility model are square and convenient to purchase and process, the material is suitable for various types of stair designs, and the base is arranged, so that the stair does not need to be arranged on a plane; the double-running stair is arranged, so that the problems that the stair is steep and difficult to climb due to narrow space of the double-running stair can be effectively solved; the standard sections can be installed in a superposed mode and can serve as a multi-layer temporary channel, the standard sections and the base, and the standard sections are fixedly connected through bolts, so that the stair is convenient to install and disassemble, and meanwhile, the stair is provided with the protection sections and the turning plates, and the problem of safety protection of the stair position is effectively solved.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the base of the present invention;

FIG. 3 is a schematic diagram of a standard section according to the present invention;

FIG. 4 is a schematic structural view showing the connection relationship between the pattern steel plate and the third steel according to the present invention;

fig. 5 is a schematic structural view of a guard joint according to the present invention.

In the figure: 1. a base; 2. a standard section; 3. a protection section; 11. a first square steel; 12. second square steel; 21. an outer frame; 22. a pedal; 23. a rest platform plate; 24. a railing; 25. turning over a plate; 26. a patterned steel plate; 27. and (5) third square steel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the utility model is a convenient dual-race stair for installation and removal, comprising a base 1, a standard section 2 and a protection section 3; the base 1 is installed at the bottom of the standard knot 2, the protection knot 3 is installed at the top of the standard knot 2, a plurality of groups of standard knots 2 can be arranged according to the building construction requirements, and the plurality of groups of standard knots 2 are mutually connected through bolts;

referring to fig. 3 and 4, the standard knot 2 includes an outer frame 21, a pedal 22, a rail 24, a resting platform plate 23 and a turning plate 25, the pedal 22 is disposed on one side of the bottom of the outer frame 21, the pedal 22 is also disposed on the other side of the top of the outer frame 21, the resting platform plate 23 is disposed in the middle of the outer frame 21, the rail 24 is disposed on one side of the pedal 22 away from the outer frame 21, and the turning plate 25 is disposed on both the bottom and the top of the outer frame 21;

wherein, the footplates 22 are arranged on the outer frame 21 in a double-running stair type, namely, the footplates 22 are steps of a stair and are used for people going upstairs and downstairs; the top pedal 22 is connected with the bottom pedal 22 through a rest platform plate 23;

the turning plate 25 is connected with the outer frame 21 through a hinge, so that the turning plate 25 can rotate along the outer frame 21, and meanwhile, two sides of the turning plate 25 are connected with the outer frame 21 through iron chains; the turning plate 25 is movably connected, so that the turning plate 25 is conveniently folded and unfolded; the outer frame 21 is welded by the first square steel 11;

the pedal 22, the rest platform plate 23 and the turning plate 25 are all formed by welding third-party steel 27 and a pattern steel plate 26, and the third-party steel 27 is installed on four side edges of the bottom surface of the pattern steel plate 26; two pieces of third square steel 27 are additionally arranged on the bottom surface of the pattern steel plate 26 of the turning plate 25 in parallel;

when the multifunctional chair is used, the sizes of the patterned steel plates 26 of the pedal 22, the rest platform 8 and the turning plate 25 are set according to the size of the outer frame 21, and after the size of the patterned steel plate 26 is determined, four pieces of third side steel 27 are welded on the four sides of the patterned steel plate 26; then, the pedal 22, the rest platform 8 and the turning plate 25 are sequentially welded on the outer frame 21 to obtain a standard knot 2;

referring to fig. 2, the base 1 includes a first square steel 11 and a second square steel 12 welded together, the second square steel 12 is located above the first square steel 11, the second square steel 12 is provided with bolt holes, and the second square steel 12 is fixedly connected with an outer frame 21 of the standard knot 2 through bolts;

the first square steel 11 is welded into a frame structure with one triangular side and the other trapezoidal side, the frame structures on the two sides are also formed by connecting the first square steel 11 positioned above, and the two second square steels 12 are respectively positioned on the triangular frame structure and the trapezoidal frame structure;

referring to fig. 5, the protective joint 3 is formed by welding a first square steel 11 and a third square steel 27, the third square steel 27 is located on a side wall of the first square steel 11, and two third square steels 27 are arranged in parallel;

wherein, the height of the protective joint 3 is 1m, a plurality of first square steels 11 are welded into a rectangular frame structure, and two parallel third square steels 27 are positioned on one side of the front surface of the rectangular frame structure.

Example 2

A method for manufacturing the convenient assembling and disassembling dual-race stair comprises the following steps:

step 1: material processing: cutting square steel with corresponding length and a patterned steel plate 26 with corresponding side length according to a design drawing;

step 2: manufacturing a stair: connecting the processed materials together by welding according to a design drawing; the turning plate 25 is connected to the standard knot 2 through a hinge and an iron chain.

The working principle of the utility model is as follows: designing and processing a base 1 according to a floor stair big sample, hoisting the base 1 to the floor stair position by using a tower crane, and placing a 20-20 cm gasket at the upright rod position of the base 1; the protective joint 3 is welded on the standard joint 2, is hoisted to a floor through a tower crane and is placed on the base 1, bolt holes are reserved in the upper portion of the base 1 and the bottom of the standard joint 2 and are fixedly connected through bolts, and then an iron chain on the turning plate 25 is loosened, so that the turning plate 25 is lapped on a floor slab, and the installation is completed; if prefabricated staircase falls behind construction layer two-layerly and more, only need in the welding have the standard festival 2 of protection festival 3 and base 1 between install standard festival 2 again can, also can adopt bolted connection between a plurality of standard festival 2.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (7)

1. A convenient and fast mounting and dismounting double-running stair is characterized by comprising a base (1), a standard joint (2) and a protection joint (3); the base (1) is installed at the bottom of the standard knot (2), the protective knot (3) is installed at the top of the standard knot (2), and the plurality of groups of standard knots (2) are connected with each other through bolts;

the double-running stair type standard knot is characterized in that pedals (22) are arranged on an outer frame (21) of the standard knot (2) in a double-running stair type mode, a rest platform plate (23) is arranged in the middle of the outer frame (21), and turning plates (25) are arranged at the bottom and the top of the outer frame (21).

2. A ready-to-install-and-dismantle double-track staircase according to claim 1, characterised in that on the side of the tread (22) facing away from the outer frame (21) a railing (24) is arranged.

3. The portable stair set forth in claim 2, wherein the flap (25) is connected to the outer frame (21) by a hinge, and both sides of the flap (25) are connected to the outer frame (21) by iron chains.

4. The convenient and fast assembling and disassembling dual-running stair is characterized in that the pedal (22), the rest platform plate (23) and the turning plate (25) are all formed by welding a third square steel (27) and a patterned steel plate (26), and the third square steel (27) is in a rectangular structure and is welded on the patterned steel plate (26).

5. The convenient assembly and disassembly double-race stair is characterized in that the base (1) is formed by welding a first square steel (11) and a second square steel (12), and the second square steel (12) of the base (1) is fixedly connected with an outer frame (21) of the standard knot (2) through bolts.

6. The convenient and fast assembling and disassembling dual-running stair is characterized in that the protective joints (3) are formed by welding a first square steel (11) and a third square steel (27), and the first square steel (11) of each protective joint (3) is welded on the top of the outer frame (21).

7. The portable assembly and disassembly twin-race staircase according to claim 6, characterised in that the height of the protection nodes (3) is 1 m.

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