Welding-free edge protection structure of steel structure stair

Abstract

The utility model provides a steel structure stair welding-free type edge protection structure which comprises a left supporting vertical rod assembly, a right supporting vertical rod assembly, a plurality of middle supporting vertical rod assemblies and a sleeving cross rod, the left supporting vertical rod assembly, the right supporting vertical rod assembly and the middle supporting vertical rod assemblies respectively comprise a lower sleeve and an upper vertical rod, and a clamping base is arranged on the lower portion of the lower sleeve. The lower end of the upper vertical rod is sleeved with the corresponding lower sleeve, two left one-way sleeves distributed up and down are arranged on the upper portion of the upper vertical rod in the left supporting vertical rod assembly, and two right one-way sleeves distributed up and down are arranged on the upper portion of the upper vertical rod in the right supporting vertical rod assembly. And two middle two-way sleeves which are distributed up and down are arranged at the upper part of an upper vertical rod in the middle supporting vertical rod assembly. The protective structure is fixedly installed on one side of the I-shaped beam in a clamping mode, the overall structural strength of the I-shaped beam is not affected, meanwhile, the protective structure is easy to install and detach, and the installing and detaching efficiency of the protective structure can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building steel structure stairs, in particular to a welding-free edge protection structure for steel structure stairs. Background Art

[0002] Steel structures, as a lightweight, high-strength, and durable building material, are increasingly used in modern architecture. Steel structure installation is fast and requires a large workforce. Stair edge protection is crucial for ensuring construction safety, requiring timely and secure installation of temporary stair protection.

[0003] At present, the edge protection of steel structure stairs mainly adopts the method of welding square tubes and then arranging steel tubes to achieve fixation on the I-beam on one side of the stairs. This method is time-consuming and labor-intensive to install and dismantle, and the progress of protection construction lags, causing great safety hazards. In addition, the square tube is fixed to the I-beam by welding, and the welding process generates a lot of heat and damages part of the structure of the I-beam, thereby having a certain impact on the overall structural strength of the I-beam. Utility Model Content

[0004] The purpose of the utility model is to provide a welding-free edge protection structure for steel structure stairs. The protection structure adopts a clamping method to achieve fixed installation on one side of the I-beam, which does not affect the overall structural strength of the I-beam. At the same time, the installation and disassembly of the protection structure are relatively simple, which can improve its installation and disassembly efficiency.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a weld-free edge protection structure of a steel structure staircase, comprising a left support pole assembly, a right support pole assembly, a plurality of middle support riser assemblies, and a sleeve cross bar, wherein the plurality of said middle support pole assemblies are distributed between the left support pole assembly and the right support pole assembly, the left support pole assembly, the right support pole assembly and the middle support pole assembly all comprise a lower sleeve and an upper pole, a clamping base is provided at the lower part of the lower sleeve, and the clamping base can realize the fixing of the lower sleeve on the I-beam on the side of the steel structure staircase, and the lower end of the upper pole is sleeved on the corresponding In the lower sleeve, two left one-way sleeves distributed up and down are provided on the upper part of the upper pole in the left supporting pole assembly, two right one-way sleeves distributed up and down are provided on the upper part of the upper pole in the right supporting pole assembly, and two middle two-way sleeves distributed up and down are provided on the upper part of the upper pole in the middle supporting pole assembly. A sleeve cross bar is inserted between the adjacent left one-way sleeves and the middle two-way sleeves, a sleeve cross bar is inserted between the adjacent right one-way sleeves and the middle two-way sleeves, and a sleeve cross bar is inserted between the two adjacent middle two-way sleeves.

[0006] Preferably, the left one-way sleeve, the middle two-way sleeve and the right one-way sleeve are all hingedly connected to the corresponding upper upright pole through a hinged hole bolt.

[0007] Furthermore, a first pressing bolt is provided at the sleeve connection ends of the left unidirectional sleeve and the right unidirectional sleeve and the sleeve connection cross bar, and at both ends of the middle bidirectional sleeve.

[0008] Furthermore, a through hole adapted to the first pressing bolt is provided on the end of the sleeve cross bar.

[0009] Furthermore, the clamping base includes an upper clamping base and a lower clamping base, the upper clamping base includes an upper [-shaped] clamping base, a sleeve assembly, and a second pressure bolt, the second pressure bolt is invertedly sleeved on the lower base plate of the upper [-shaped] clamping base, the sleeve assembly is hingedly set on the side wall of the upper [-shaped] clamping base, and the sleeve assembly is connected to the lower sleeve; the lower clamping base includes a lower [-shaped] clamping base, a support assembly, and a third pressure bolt, the third pressure bolt is invertedly sleeved on the lower base plate of the lower [-shaped] clamping base, the support assembly is hinged on the side wall of the lower [-shaped] clamping base, and the bottom of the lower sleeve is fixedly connected to the support assembly.

[0010] Furthermore, the sleeve assembly includes a vertical sleeve, and a first hinge shaft is fixedly arranged on one side of the vertical sleeve, and the first hinge shaft is hinged on the side wall of the upper]-shaped seat.

[0011] Furthermore, the support assembly includes a support plate, and a second hinge shaft is fixedly provided on one side of the support plate, and the second hinge shaft is hinged to the side wall of the lower [-]-shaped seat.

[0012] The beneficial effects of the present invention are as follows: the structure is simple and the processing and manufacturing are convenient; the clamping base can be fixed on the I-beam by a clamping method, and compared with the existing welding method, the clamping method will not affect the mechanical structural performance of the I-beam, so the clamping and fixing of the clamping base on the I-beam will not affect the overall structural strength of the I-beam, thereby improving the safety performance of the steel structure staircase; the clamping base is fixed on the I-beam by a clamping method, and its operation, installation and disassembly effects are high. At the same time, the sleeve cross bar adopts a sleeve method and uses a first pressure bolt to achieve a stable connection with the left one-way sleeve and the right one-way sleeve, and its connection operation and disassembly efficiency are also high, so the utility model can be quickly installed and disassembled, thereby effectively avoiding the safety hazard problem caused by the lag of the edge protection, the support plate can be freely rotated relative to the lower]-shaped clamping seat, and the vertical sleeve can be freely rotated relative to the lower]-shaped clamping seat, thereby facilitating the vertical state of the upper vertical rod, thereby helping to improve the aesthetics and safety of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 This is a schematic diagram of the clamping and positioning state of the utility model on the I-beam;

[0015] Figure 2 It is a schematic diagram of the connection between the clamping base and the lower casing;

[0016] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 4 for Figure 1 Enlarged view of point B in the middle;

[0018] Figure 5 for Figure 1 Enlarged view of point C in the middle;

[0019] In the figure: 1 left supporting pole assembly, 11 left one-way sleeve, 2 middle supporting pole assembly, 21 middle two-way sleeve, 3 right supporting pole assembly, 31 right one-way sleeve, 4 sleeve cross bar, 5 clamping base, 511 upper]-shaped clamping seat, 512 vertical sleeve, 5121 first hinge axis, 513 second pressure bolt, 521 lower]-shaped clamping seat, 522 support plate, 5221 second hinge axis, 523 third pressure bolt, 6 lower sleeve, 7 upper pole, 8 I-beam, 101 hinged hole bolt, 102 first pressure bolt. DETAILED DESCRIPTION

[0020] The following will be combined with specific embodiments and attached Figure 1-5 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the embodiments described are only some preferred embodiments of the present invention, not all embodiments. Those skilled in the art may make similar modifications without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] The utility model provides a steel structure staircase free welding edge protection structure (such as Figure 1As shown), it includes a left supporting pole assembly 1, a right supporting pole assembly 3, a plurality of middle supporting riser assemblies 2, and a sleeve cross bar 4, and a plurality of said middle supporting pole assemblies 2 are distributed between said left supporting pole assembly 1 and the right supporting pole assembly 3. In actual application, the edge protection structure is arranged on the I-beam 8 outside the steel structure staircase, wherein the left supporting pole assembly 1 is located on the inclined high end side of the inclined I-beam 8, the right supporting pole assembly 3 is located on the inclined low end side of the inclined I-beam 8, and a plurality of middle supporting pole assemblies 2 are located between the left supporting pole assembly 1 and the right supporting pole assembly 3. , and several middle support pole assemblies 2 are distributed at equal intervals, the left support pole assembly 1, the right support pole assembly 3 and the middle support pole assembly 2 all include a lower sleeve 6 and an upper pole 7, a clamping base 5 is provided at the lower part of the lower sleeve 6, the clamping base 5 can realize the fixing of the lower sleeve 6 on the I-beam 8 on the side of the steel structure staircase, and the clamping base 5 can be fixed on the I-beam 8 by a clamping method. Compared with the existing welding method, the clamping method will not affect the mechanical structural performance of the I-beam, so the clamping fixation of the clamping base 5 on the I-beam 8 will not affect the I-beam 8 The overall structural strength of the steel structure is improved, which improves the safety performance of the steel structure staircase; the lower end of the upper upright 7 is sleeved in the corresponding lower sleeve 6, and two left one-way sleeves 11 distributed vertically are provided on the upper part of the upper upright 7 in the left supporting upright assembly 1, and two right one-way sleeves 31 distributed vertically are provided on the upper part of the upper upright 7 in the right supporting upright assembly 3. Two middle two-way sleeves 21 distributed vertically are provided on the upper part of the upper upright 7 in the middle supporting upright assembly 2, and a middle two-way sleeve 21 is inserted between the adjacent left one-way sleeve 11 and the middle two-way sleeve 21. Connect the above-mentioned sleeve cross bar 4, insert the above-mentioned sleeve cross bar 4 between the adjacent right unidirectional sleeve 31 and the above-mentioned middle bidirectional sleeve 21, and insert the above-mentioned sleeve cross bar 4 between the two adjacent middle bidirectional sleeves 21. In actual application, after the left supporting upright assembly 1, the right supporting upright assembly 3, several middle supporting riser assemblies 2 and the sleeve cross bar 4 are assembled on the outside of the steel structure stairs, the left supporting upright assembly 1, the right supporting upright assembly 3, several middle supporting riser assemblies 2 and the sleeve cross bar 4 form a mesh structure, thereby realizing the edge protection on one side of the steel structure stairs.

[0022] On the basis of the above embodiment, in order to facilitate the parallel distribution of the sleeve cross bar 4 relative to the I-beam 8, so as to improve the aesthetics of the edge protection structure and provide convenient support for passing personnel, the left one-way sleeve 11, the middle two-way sleeve 21 and the right one-way sleeve 31 are all hingedly connected to the corresponding upper vertical pole 7 through a hinged hole bolt 101. After the left one-way sleeve 11, the middle two-way sleeve 21 and the right one-way sleeve 31 are hinged by the hinged hole bolt 101, they can be rotated and adjusted, thereby facilitating the horizontal adjustment of the left one-way sleeve 11, the middle two-way sleeve 21 and the right one-way sleeve 31 relative to the I-beam 8, and then the horizontality of the sleeve cross bar 4 can be adjusted.

[0023] In actual application, in order to improve the fixed connection between the sleeve cross bar 4 and the corresponding left one-way sleeve 11, right one-way sleeve 31 and middle two-way sleeve 21, so as to improve the overall supporting structure strength of the utility model, a first pressing bolt 102 is provided at the sleeve ends of the left one-way sleeve 11 and the right one-way sleeve 31 and the sleeve cross bar 4 and at both ends of the middle two-way sleeve 21. When the end of the sleeve cross bar 4 is inserted into the end of the corresponding left one-way sleeve 11, the right one-way sleeve 31 and the middle two-way sleeve 21, the top pressure fixation of the end of the sleeve cross bar 4 is achieved by tightening the first pressing bolt 102, thereby improving the strength of the sleeve cross bar 4. Connection stability. In order to further improve the connection stability between the connecting cross bar 4 and the left one-way sleeve 11, the right one-way sleeve 31 and the middle two-way sleeve 21, a through hole adapted to the first pressing bolt 102 is provided on the end of the connecting cross bar 4. In the process of tightening the first pressing bolt 102, when the first pressing bolt 102 is inserted into the through hole, the first pressing bolt 102 can be used to realize the left and right sliding of the connecting cross bar 4 relative to the left one-way sleeve 11, the right one-way sleeve 31 and the middle two-way sleeve 21, thereby improving the connection stability between the connecting cross bar 4 and the left one-way sleeve 11, the right one-way sleeve 31 and the middle two-way sleeve 21.

[0024] On the basis of the above embodiment, the specific implementation of the clamping base 5 is as follows: the clamping base 5 includes an upper clamping base and a lower clamping base, the upper clamping base includes an upper]-shaped clamping base 511, a sleeve assembly, and a second pressing bolt 513, the second pressing bolt 513 is invertedly sleeved on the lower bottom plate of the upper]-shaped clamping base 511, when the upper]-shaped clamping base 511 is buckled on the outer side of the upper flat plate of the outer side of the I-beam 8, by continuously rotating the second pressing bolt 513, the upper part of the second pressing bolt 513 will be stably pressed on the bottom of the upper flat plate of the I-beam 8, thereby realizing the upper]-shaped clamping base The seat is fixed on the upper plate of the I-beam 8, and the sleeve assembly is hingedly arranged on the side wall of the upper]-shaped card seat 511, and the sleeve assembly is connected to the lower sleeve 6. Specifically, the sleeve assembly includes a vertical sleeve 512, and a first hinge shaft 5121 is fixedly arranged on one side of the vertical sleeve 512. The first hinge shaft 5121 is hinged on the side wall of the upper]-shaped card seat 511. The rotation of the first hinge shaft 5121 is used to realize the rotation of the vertical sleeve 512. In actual application, the first hinge shaft 5121 can be a bolt. The third pressing bolt 523 is sleeved in a through hole on the side wall of the upper []-shaped holder 511; the lower holder includes a lower []-shaped holder 521, a support assembly, and a third pressing bolt 523. The third pressing bolt 523 is inverted and sleeved on the lower bottom plate of the lower []-shaped holder 521. When the lower []-shaped holder 521 is buckled on the outer side of the lower flat plate of the outer side of the I-beam 8, the upper part of the second pressing bolt 523 is stably pressed on the bottom of the lower flat plate of the I-beam 8 by continuously rotating the third pressing bolt 523, thereby achieving the fixation of the lower []-shaped holder 521 on the lower flat plate of the I-beam 8. The support assembly It is hinged on the side wall of the lower I-shaped holder 521, and the bottom of the lower sleeve 6 is fixedly connected to the support assembly. The support assembly includes a support plate 522, and a second hinge shaft 5221 is fixedly arranged on one side of the support plate 522. The second hinge shaft 5221 is hinged on the side wall of the lower I-shaped holder 521. The rotation of the second hinge shaft 5221 can realize the angle adjustment of the lower sleeve 6 relative to the I-beam 8. In actual application, the second hinge shaft 5221 can be a bolt, which is sleeved in a through hole on the side wall of the lower I-shaped holder 521.

[0025] When fixing the clamping base 5 on the I-beam 8, first put the vertical sleeve 512 on the lower sleeve 6, and then buckle the upper []-shaped clamping seat 511 and the lower []-shaped clamping seat 521 correspondingly on the appropriate positions on the outer sides of the upper and lower plates of the I-beam 8. After completing the buckling, turn the third pressing bolt 523 so that its top is pressed against the bottom of the lower plate of the I-beam 8, and then fix the lower []-shaped clamping seat 521 on the I-beam 8. After completing the fixing buckle of the lower []-shaped clamping seat 521, rotate the lower sleeve 6 to make it as vertical as possible. After adjusting the vertical placement of the lower sleeve 6 , then keep the lower sleeve 6 stationary, then rotate the second pressing bolt 513 so that its top is pressed against the bottom of the upper plate of the I-beam 8, and then the upper]-shaped clamping seat 511 is fixed on the I-beam 8. After the upper]-shaped clamping seat 511 and the lower]-shaped clamping seat 521 are both fixed on the I-beam 8, the fixation of the lower sleeve 6 is realized. After the lower sleeve 6 is fixed, the lower part of the upper vertical rod 7 can be inserted into the corresponding lower sleeve 6. After the upper vertical rod 7 is inserted, the subsequent left one-way sleeve 11, the right one-way sleeve 31, the middle two-way sleeve 21 and the socket cross bar 4 can be combined and connected.

[0026] In the present invention, "up", "down", "front", "back", "left" and "right" are relative positions used to conveniently describe positional relationships, and therefore cannot be understood as absolute positions to limit the scope of protection.

[0027] Except for the technical features described in the specification, all other technical features are known technologies to those skilled in the art.

[0028] The above description, in conjunction with the accompanying drawings, details the preferred embodiments and examples of the present invention. However, the present invention is not limited to the above embodiments and examples. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the concept of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A weld-free edge protection structure for steel staircases, characterized by: It includes a left supporting rod assembly, a right supporting rod assembly, several middle supporting rod assemblies, and a sleeve cross bar. Several of the middle supporting rod assemblies are distributed between the left supporting rod assembly and the right supporting rod assembly. The left supporting rod assembly, the right supporting rod assembly and the middle supporting rod assembly all include a lower sleeve and an upper rod. A clamping base is provided at the lower part of the lower sleeve, and the clamping base can realize the fixing of the lower sleeve on the I-beam on the side of the steel structure staircase. The lower end of the upper rod is sleeved in the corresponding lower sleeve. Two left one-way sleeves distributed up and down are provided on the upper part of the upper pole, two right one-way sleeves distributed up and down are provided on the upper part of the upper pole in the right supporting pole assembly, and two middle two-way sleeves distributed up and down are provided on the upper part of the upper pole in the middle supporting pole assembly. A sleeve cross bar is inserted between the adjacent left one-way sleeves and the middle two-way sleeves, a sleeve cross bar is inserted between the adjacent right one-way sleeves and the middle two-way sleeves, and a sleeve cross bar is inserted between the two adjacent middle two-way sleeves.

2. The weld-free edge protection structure for steel staircases according to claim 1 is characterized in that: The left one-way sleeve, the middle two-way sleeve and the right one-way sleeve are all hingedly connected to the corresponding upper upright pole through a hinged hole bolt.

3. The weld-free edge protection structure for steel staircases according to claim 2 is characterized in that: A first pressing bolt is provided at the sleeve connection ends of the left unidirectional sleeve, the right unidirectional sleeve and the sleeve connection cross bar and at both ends of the middle bidirectional sleeve.

4. The weld-free edge protection structure for steel staircases according to claim 3 is characterized in that: A through hole adapted to the first pressing bolt is provided on the end of the sleeve cross bar.

5. A weld-free edge protection structure for steel staircases according to claim 3 or 4, characterized in that: The clamping base includes an upper clamping base and a lower clamping base, the upper clamping base includes an upper [-shaped] clamping base, a sleeve assembly, and a second pressure bolt, the second pressure bolt is invertedly sleeved on the lower base plate of the upper [-shaped] clamping base, the sleeve assembly is hingedly set on the side wall of the upper [-shaped] clamping base, and the sleeve assembly is connected to the lower sleeve; the lower clamping base includes a lower [-shaped] clamping base, a support assembly, and a third pressure bolt, the third pressure bolt is invertedly sleeved on the lower base plate of the lower [-shaped] clamping base, the support assembly is hinged on the side wall of the lower [-shaped] clamping base, and the bottom of the lower sleeve is fixedly connected to the support assembly.

6. The weld-free edge protection structure for steel staircases according to claim 5 is characterized in that: The sleeve assembly includes a vertical sleeve, and a first hinge shaft is fixedly arranged on one side of the vertical sleeve. The first hinge shaft is hinged on the side wall of the upper]-shaped seat.

7. The weld-free edge protection structure for steel staircases according to claim 6 is characterized in that: The support assembly includes a support plate, and a second hinge shaft is fixedly arranged on one side of the support plate, and the second hinge shaft is hinged to the side wall of the lower]-shaped card seat.

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