Step-by-step hoisting structure of whole-span prefabricated stair

Abstract

The utility model provides a step-by-step hoisting structure of a whole-span prefabricated staircase, which belongs to the technical field of constructional engineering and comprises a support frame, a hoisting device and a hoisting device, the supporting seat is fixedly connected to one side end of the supporting frame; the supporting wall is fixedly connected to one side end of the supporting seat; the two stair bases are fixedly connected to the upper end of the supporting base; two of the four fixing seats are fixedly connected to one side end of the supporting frame, the other two stair seats are arranged at the upper ends of the fixing seats respectively, the supporting frame and the supporting wall are arranged on the two sides of the stair seats, and the stair seats are supported by connecting the four fixing seats and the supporting seats, so that during arrangement and hoisting, the stair seats are supported by the supporting walls and the supporting frames, and the stair seats are supported by the supporting walls. The system does not need to occupy too much space structure, is simple, is more visual and reliable in layout, and facilitates project cost reduction and benefit increase.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering, and in particular relates to a step-by-step hoisting structure of a whole-span prefabricated staircase. Background Art

[0002] Construction projects refer to the engineering entities formed by the construction of various types of buildings and their ancillary facilities and the installation of supporting lines, pipelines, and equipment. "Buildings" refer to projects with roofs, beams, columns, walls, foundations, and internal spaces that can meet people's needs for production, residence, study, and public activities.

[0003] The authorization publication number "CN209538549U" records "a new type of assembled staircase, comprising a staircase frame (1), a mounting plate (2) and a cover plate (3), wherein the staircase frame (1) is installed on the ground, the mounting plate (2) is fixedly installed on the bottom of the staircase frame (1), and the cover plate (3) covers the mounting plate (2); a groove is provided on the bottom surface of the cover plate (3), and the shape and size of the groove of the cover plate (3) are adapted to the size of the mounting plate (2); the mounting plate (2) and the cover plate (3) are both integral staircase plates. The utility model does not require screws or glue during installation, and the installation is convenient, beautiful, and environmentally friendly; no mold is required, and the process is simple; there are few parts, a simple structure, no welding or gluing is required, and the installation is convenient, and the user can install it at any time without relying on construction workers; if the cover plate (3) or the mounting plate (2) of the utility model is damaged, the user can also replace it by himself with the help of simple tools, without having to find construction workers to repair it on site, thus saving maintenance costs and shortening maintenance time."

[0004] The above patent can effectively and significantly save maintenance costs and shorten maintenance time. However, the original prefabricated stair components in the prior art are heavy, and the span and self-weight of the prefabricated full-span scissors ladder are large, which requires high lifting performance of the tower crane. During the early on-site layout, major components such as the steel shed, the composite slab yard, and the prefabricated stair yard are restricted by the lifting radius of the tower crane, resulting in layout conflicts. If the original plane layout plan is followed, it will not be conducive to reducing costs and increasing efficiency of the project. Utility Model Content

[0005] The utility model aims to provide a step-by-step hoisting structure for a whole-span prefabricated staircase, aiming to solve the problems in the prior art that the original prefabricated staircase components are heavy, the span and self-weight of the prefabricated whole-span scissors ladder are large, and the lifting performance of the tower crane is required to be high. During the early on-site flat layout, major components such as the steel bar shed, the composite plate yard, and the prefabricated staircase yard are restricted by the lifting radius of the tower crane, resulting in layout conflicts. If the original plane layout plan is followed, it will be unfavorable for reducing costs and increasing efficiency of the project.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A step-by-step hoisting structure for a whole-span prefabricated staircase, comprising:

[0008] Support frame;

[0009] A support seat, the support seat is fixedly connected to one side end of the support frame;

[0010] A supporting wall, the supporting wall being fixedly connected to one side end of the supporting base;

[0011] Two stair seats, the two stair seats are fixedly connected to the upper ends of the support seat; and

[0012] Four fixing seats, two of which are fixedly connected to one side end of the support frame, and the other two stair seats are respectively arranged on the upper ends of the fixing seats.

[0013] As a preferred solution of the utility model, the support frame is in an I-shape, and four fixing seats are fixed to support the two stair seats.

[0014] As a preferred solution of the utility model, the lower ends of the two stair seats are matched with the upper end of the support seat, and the upper and lower ends of the two stair seats are respectively arranged on the fixed seat.

[0015] As a preferred solution of the utility model, the supporting wall is T-shaped, which can increase the stability and deformation resistance of the staircase seat 2.

[0016] As a preferred solution of the utility model, the support frame and the support wall are equal in length and height.

[0017] As a preferred solution of the utility model, the two stair seats 2 are X-shaped, and the support frames and support walls arranged on both sides are stably connected and stress-bearing.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. In this solution, the stair seat 2 is supported by supporting frames and supporting walls arranged on both sides of the stair seat 2, and four fixed seat box supporting seats are connected, so that it does not take up too much space during layout and lifting, and the structure is simple, and the layout is more intuitive and reliable, which is conducive to the effect of reducing costs and increasing efficiency of the project.

[0020] 2. This solution can increase the stability of the two stair seats 2 and prevent them from being deformed by setting a support seat on one side of the supporting wall. The two stair seats 2 can be stably supported and fixedly installed by setting a fixing seat on one side of the supporting wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 This is a first-view stereogram of the utility model;

[0023] Figure 2 This is an exploded view of the utility model;

[0024] Figure 3 For this utility model Figure 2 A magnified view of the middle support seat;

[0025] Figure 4 This is a stereoscopic diagram of the utility model from a second viewing angle.

[0026] In the figure: 1. support frame; 2. stair base; 3. fixed base; 4. support wall; 5. support base. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example 1

[0029] See also Figure 1-Figure 4 , the utility model provides the following technical solutions:

[0030] A step-by-step hoisting structure for a whole-span prefabricated staircase, comprising:

[0031] Support frame 1;

[0032] A support seat 5 is fixedly connected to one side end of the support frame 1;

[0033] A supporting wall 4 is fixedly connected to one side end of a supporting base 5;

[0034] Two staircase seats 2 are fixedly connected to the upper ends of the support seats 5; and

[0035] There are four fixing seats 3 , two of which are fixedly connected to one side end of the support frame 1 , and the other two stair seats 2 are respectively arranged on the upper ends of the fixing seats 3 .

[0036] In a specific embodiment of the present invention, a fixing seat 3 is arranged on one side of a supporting wall 4, so that the upper and lower ends of the two stair seats 2 can be placed and subjected to stable force. A supporting seat 5 is arranged on one side of the supporting wall 4, so that the two stair seats 2 can be stably supported and not easily deformed. A supporting frame 1 is arranged on one side of the stair seat 2, so that the stairs can be installed. The supporting frame 1 is in an I-shape, and while connecting the fixing seat 3, it can also support the stairs against deformation. By combining the equipment mechanisms, the combined installation during construction is more convenient and does not take up too much space.

[0037] For details, please refer to Figure 2 The support frame 1 is in an I-shape, and four fixing seats 3 are fixed to support the two stair seats 2.

[0038] In this embodiment, the support frame 1 arranged on one side of the stair seat 2 can be used to install the stairs. The support frame 1 is in an I-shape, which can connect the fixing seat 3 and support the stairs to resist deformation.

[0039] For details, please refer to Figure 2 and Figure 3 The lower ends of the two stair seats 2 are matched with the upper ends of the support seats 5, and the upper and lower ends of the two stair seats 2 are respectively arranged on the fixed seats 3.

[0040] In this embodiment, the support base 5 disposed on one side of the support wall 4 can provide stable support for the two stair bases 2 without causing deformation.

[0041] For details, please refer to Figure 2 The supporting wall 4 is T-shaped, which can increase the stability of the stairs and resist deformation.

[0042] In this embodiment, the support wall 4 provided on one side of the stair base 2 can increase the stability of the stairs and increase the stress on the stairs.

[0043] For details, please refer to Figure 2 , the length and height of the support frame 1 and the support wall 4 are equal.

[0044] In this embodiment, the supporting frame 1 and the supporting wall 4 are of the same size, which enables the two staircase seats 2 to be better matched during installation.

[0045] For details, please refer to Figure 2 The two stair seats 2 are X-shaped, and the support frames 1 and support walls 4 arranged on both sides are connected stably and bear stable force.

[0046] In this embodiment, the two staircase seats 2 are X-shaped and are respectively fixed on the fixing seats 3, which can increase the stability and deformation resistance of the stairs.

[0047] The working principle and use process of the utility model are as follows: the stair seat 2 is supported by the support frame 1 and the support wall 4 arranged on both sides of the stair seat 2 and by connecting four fixed seats 3 and support seats 5, so that when arranged and hoisted, it does not need to occupy too much space and has a simple structure. It is more intuitive and reliable during layout, which is beneficial to reducing costs and increasing efficiency of the project.

[0048] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A step-by-step hoisting structure for a full-span prefabricated staircase, characterized in that: include: Support frame (1); A support seat (5), the support seat (5) being fixedly connected to one side end of the support frame (1); A supporting wall (4), wherein the supporting wall (4) is fixedly connected to one side end of the supporting base (5); Two stair seats (2), the two stair seats (2) being fixedly connected to the upper ends of the support seats (5); and Four fixing seats (3), two of which are fixedly connected to one side end of the support frame (1), and the other two stair seats (2) are respectively arranged on the upper ends of the fixing seats (3).

2. The step-by-step hoisting structure of a full-span prefabricated staircase according to claim 1 is characterized in that: The support frame (1) is in an I-shape and is provided with four fixing seats (3) to support the two stair seats (2).

3. The step-by-step hoisting structure of a whole-span prefabricated staircase according to claim 2 is characterized in that: The lower ends of the two stair seats (2) are matched with the upper end of the support seat (5), and the upper and lower ends of the two stair seats (2) are respectively arranged on the fixing seat (3).

4. The step-by-step hoisting structure of a whole-span prefabricated staircase according to claim 3 is characterized in that: The supporting wall (4) is T-shaped, which can increase the stability and deformation resistance of the stairs.

5. The step-by-step hoisting structure of a whole-span prefabricated staircase according to claim 4 is characterized in that: The support frame (1) and the support wall (4) are of equal length and height.

6. The step-by-step hoisting structure of a whole-span prefabricated staircase according to claim 5 is characterized in that: The two staircase seats (2) are in an X shape, and the support frames (1) and support walls (4) arranged on both sides are connected stably and bear force stably.

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