CN219196541U

CN219196541U - End hoisting plug-in type scissors stair

Info

Publication number: CN219196541U
Application number: CN202320147334.6U
Authority: CN
Inventors: 樊星
Original assignee: China Aerospace Construction Engineering Group Co Ltd
Current assignee: China Aerospace Construction Engineering Group Co Ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-16
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses an end hoisting plug-in type scissor stair which comprises a platform plate, a ladder plate, a basket bolt and an internal threaded pipe. The utility model has reasonable design, the platform boards and the ladder boards are connected in an inserting mode by adopting the prefabricated slots, the bolts are less in subsequent positioning and fixing, the assembly and disassembly are more convenient, the installation efficiency of the scissors stairs is improved, the middle parts of the side walls of the two ladder boards distributed in a scissors manner are mutually inserted, the basket bolts are used for inwards pulling the two platform boards, the integral integration among the structures is enhanced, and the anti-seismic effect is excellent. Meanwhile, with the general application of an assembly type structure, the assembly type scissors stair 202210882709.3 is aimed at enhancing the assembly performance of the scissors stair 202210882709.3, is mainly used in the technical field of stair assembly construction, and can achieve the effects that only bolt fixing is needed in rapid socket assembly construction, and the stair site manufacturing construction is avoided in the construction process, so that the effects of environmental protection and noise reduction are achieved.

Description

End hoisting plug-in type scissors stair

Technical Field

The utility model relates to the technical field of scissor stair assembly construction, in particular to an end hoisting plug-in type scissor stair.

Background

The scissor ladder may also be referred to as a folding stair, a cross stair, or a sleeve ladder. Two stairways which are overlapped and not communicated with each other are arranged in the same stairwell. The most important characteristic is that two stairways are arranged in the same stairwell, a turning is arranged in the middle of the stairwell between the upper layer and the lower layer, and a pair of scissors is arranged between the stairwells of the three layers. The characteristics of the scissors ladder are more beneficial to the diversion of the people entering and exiting from different stairway entrances and exits to the same floor height, so the scissors ladder is a type of stairway appearance commonly used in industrial and civil buildings.

The prior art application number is CN202210882709.3 and contains the antidetonation that the oblique girder crossed the props and props up the scissors stair, from the structure, it contains and protects and prop up structural system relation (cross prop up the side direction and connect the stair tread, prop up and connect the stair platform, support and bear weight of substituting the roof beam and prop up and guide various forces (dead weight, earthquake force) to prop up the end and correspond to stair four-way platform and carry out the scattered structural style of biography force), this patent belongs to same inventor and carries out the development of continuing according to the structural system principle shown in CN202210882709.3, aim at carrying out the technical protection of former patent and promote the expansion of the form of propping up structural system assembly, can improve the efficiency of construction by a wide margin, compared with traditional cast in situ concrete stair technique also need not wait for concrete maintenance intensity up to standard to continue the construction, this technique construction process after the prefabrication assembly is more environmental protection, fall the noise, use the bolt as the fixed main material of assembly reaches the effect of quick socket joint assembly. Therefore, a scissors stair with an end hoisting plug-in type is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the problems and provide an end hoisting plug-in type scissor stair.

The utility model realizes the purpose through the following technical scheme that the end hoisting plug-in type scissor stair comprises a platform plate, a ladder plate, a basket bolt and an internal thread pipe, wherein two prefabricated slots are symmetrically formed in one side wall of the platform plate, one end in each prefabricated slot is communicated with the corresponding side wall of the platform plate, two ends of the ladder plate are respectively plugged with the two prefabricated slots on the two platform plates, fang Tuzhu and square grooves are respectively formed in the middle parts of the side walls of the two sides of the ladder plate, fang Tuzhu are plugged with the square grooves on the adjacent crossed ladder plates, the internal thread pipe is arranged in the middle part of the side wall of one side of the platform plate, and the internal thread pipe is in threaded connection with the corresponding end of the basket bolt.

Further, two groups of screw holes are symmetrically formed in the side walls of two sides of the platform plate, each group of screw holes are fixedly connected with the corresponding part of the U-shaped steel frame through connecting bolts, and a plurality of platform plates are distributed between the two U-shaped steel frames of the same group from bottom to top at equal intervals.

Further, the basket bolt is positioned between two platform boards on the same level.

Further, two positioning holes are symmetrically formed in the upper surface and the lower surface of the two ends of the ladder plate.

Further, two bolt connection holes are symmetrically formed in the upper wall and the lower wall in the prefabricated slot, and the bolt connection holes coincide with the corresponding positioning holes.

The beneficial effects of the utility model are as follows: the platform boards are connected with the ladder boards in an inserting mode through the prefabricated inserting grooves, bolts are less in subsequent fixing, disassembly and assembly are more convenient, the installation efficiency of the scissors stairs is improved, the middle parts of the side walls of the two ladder boards which are distributed in a scissors mode are inserted into each other, the basket bolts are used for inwards pulling the two platform boards, the integral integration among all the structures is enhanced, and the anti-seismic effect is better.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIGS. 2 and 3 are perspective views of the ladder plate structure of the present utility model;

FIG. 4 is a schematic view of the end structure of the platform plate of the present utility model;

fig. 5 is a schematic view of the side wall structure of the platform plate of the present utility model.

In the figure: 1. u-shaped steel frame; 2. a connecting bolt; 3. a platform plate; 4. prefabricating slots; 5. a ladder plate; 6. a basket bolt; 7. fang Tuzhu; 8. positioning holes; 9. a square groove; 10. an internally threaded tube; 11. screw holes.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions in the embodiments of the present utility model are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, an end hoisting plug-in type scissor stair comprises a platform plate 3, a ladder plate 5, a basket bolt 6 and an internal thread pipe 10, wherein two prefabricated slots 4 are symmetrically formed in one side wall of the platform plate 3, one end in each prefabricated slot 4 is communicated with the corresponding side wall of the platform plate 3, two ends of the ladder plate 5 are respectively plugged with the two prefabricated slots 4 on the two platform plates 3, fang Tuzhu and square grooves 9 and Fang Tuzhu are respectively arranged in the middle of the side walls of the two sides of the ladder plate 5, the square grooves 9 and the Fang Tuzhu are plugged with the square grooves 9 on the adjacent crossed ladder plates 5, the internal thread pipe 10 is arranged in the middle of the side wall of one side of the platform plate 3, and the internal thread pipe 10 is in threaded connection with the corresponding end of the basket bolt 6.

Two groups of screw holes 11 are symmetrically formed in the side walls of two sides of the platform plate 3, each group of screw holes 11 is fixedly connected with the corresponding part of the U-shaped steel frame 1 through a connecting bolt 2, and a plurality of platform plates 3 are equidistantly distributed between the two U-shaped steel frames 1 of the same group from bottom to top; the basket bolts 6 are positioned between the two platform boards 3 on the same level; two positioning holes 8 are symmetrically formed in the upper surface and the lower surface of the two ends of the ladder plate 5; two bolt connecting holes are symmetrically formed in the upper wall and the lower wall in the prefabricated slot 4, and the bolt connecting holes coincide with the corresponding positioning holes 8.

When the utility model is used, firstly, two groups of U-shaped steel frames 1 are fixed on a field at intervals, the space between each group of two U-shaped steel frames 1 is matched with the width dimension of the platform boards 3 to be hoisted, at the moment, the same number of platform boards 3 are fixed on the two groups of U-shaped steel frames 1 from bottom to top,

after the operation is finished, the step-by-step lifting of the ladder plates 5 is started, under the action of lifting equipment, two ends of the ladder plates 5 on two sides of the same layer are respectively spliced with the prefabricated slots 4 on the two platform plates 3 on the diagonal line, simultaneously Fang Tuzhu 7 on the opposite sides of the two ladder plates 5 and the square slots 9 are mutually spliced together, finally the two ends of the ladder plates 5 are fixed again through the bolt connecting holes and the positioning holes 8 by using the bolt structure, the installation of each layer of the ladder plates 5 is finished according to the lifting mode, simultaneously the basket bolts 6 are screwed to tighten and connect the two platform plates 3 on the same level again, the prefabricated slots 4 are spliced between the platform plates 3 and the ladder plates 5, and the subsequent steps are required to be performed by less bolt positioning and fixing, so that the assembly and disassembly are more convenient, the installation efficiency of the scissors stairs is improved, the middles of the side walls of the two ladder plates 5 distributed are mutually spliced, the basket bolts 6 inwards pull the two platform plates 3, the integral integration between the structures is enhanced, and the anti-seismic effect is better.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. An end hoisting plug-in type scissors stair, which is characterized in that: including landing plate (3), riser (5), basket of flowers bolt (6) and internal thread pipe (10), two prefabricated slot (4) have been seted up to landing plate (3) one side lateral wall symmetry, and one end and landing plate (3) correspond lateral wall intercommunication in prefabricated slot (4), two prefabricated slot (4) on riser (5) both ends respectively with two landing plates (3) peg graft each other, and riser (5) both sides lateral wall middle part is provided with Fang Tuzhu (7) and square groove (9) respectively, fang Tuzhu (7) peg graft together with square groove (9) on being located adjacent crisscross riser (5), landing plate (3) one side lateral wall mid-mounting has internal thread pipe (10), and internal thread pipe (10) correspond end threaded connection with basket of flowers bolt (6).

2. An end-lift plug-in scissor stair according to claim 1, wherein: two groups of screw holes (11) are symmetrically formed in the side walls of two sides of the platform plate (3), each group of screw holes (11) is fixedly connected with the corresponding part of the U-shaped steel frame (1) through a connecting bolt (2), and a plurality of platform plates (3) are distributed between the two U-shaped steel frames (1) in the same group from bottom to top at equal intervals.

3. An end-lift plug-in scissor stair according to claim 1, wherein: the basket bolt (6) is positioned between the two platform boards (3) on the same level.

4. An end-lift plug-in scissor stair according to claim 1, wherein: two positioning holes (8) are symmetrically formed in the upper surface and the lower surface of the two ends of the ladder plate (5).

5. An end-lift plug-in scissor stair according to claim 1, wherein: two bolt connection holes are symmetrically formed in the upper wall and the lower wall in the prefabricated slot (4), and the bolt connection holes are overlapped with the corresponding positioning holes (8).