Spliced stair for scaffold and scaffold

Abstract

The utility model relates to an assembly type stair for scaffold and scaffold, the assembly type stair for scaffold comprises a first stair section main beam, a second stair section main beam, a plurality of first stair step shelving cross beams, a plurality of second stair step shelving cross beams and a plurality of stair steps, the first stair section main beam and the second stair section main beam are arranged in parallel at intervals; first hooks are respectively arranged at two ends of the first ladder section main beam, and second hooks are respectively arranged at two ends of the second ladder section main beam; the plurality of first ladder step shelving cross beams are arranged in parallel and are sequentially fixed on the first ladder section main beam at intervals, the plurality of second ladder step shelving cross beams are arranged in parallel and are sequentially fixed on the second ladder section main beam at intervals, and the plurality of first ladder step shelving cross beams and the plurality of second ladder step shelving cross beams are arranged in one-to-one correspondence; a third hook and a fourth hook are respectively arranged at the two ends of the ladder steps; and the two ends of the ladder steps are respectively hooked with the first ladder step placing cross beam and the second ladder step placing cross beam which are correspondingly arranged through the third hook and the fourth hook.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of scaffold construction, in particular to a kind of assembled stair for scaffold and scaffold. BACKGROUND

[0002] In the building using prefabricated stairs, there is no staircase for construction personnel to pass when construction, and construction personnel can only climb the outer scaffold to go up and down the construction floor, which is extremely risky and violates relevant safety regulations. Therefore, a manhole ladder needs to be installed on the outer scaffold to meet the safety construction requirements. SUMMARY

[0003] The utility model provides a kind of assembled stair for scaffold and scaffold to solve one or several technical problems existing in prior art.

[0004] The technical scheme for solving the above technical problem of the utility model is as follows: an assembled stair for scaffold, comprising a first ladder section main beam, a second ladder section main beam, a plurality of first ladder step resting cross beams, a plurality of second ladder step resting cross beams, and a plurality of ladder steps, the first ladder section main beam and the second ladder section main beam are arranged in parallel and spaced apart, the first ladder section main beam has a first hook at each end, and the second ladder section main beam has a second hook at each end; the plurality of first ladder step resting cross beams are arranged in parallel and are fixed in sequence and spaced apart on the first ladder section main beam, the plurality of second ladder step resting cross beams are arranged in parallel and are fixed in sequence and spaced apart on the second ladder section main beam, and the plurality of first ladder step resting cross beams and the plurality of second ladder step resting cross beams are arranged one-to-one; the included angle between the first ladder step resting cross beam located on the front side of the first ladder section main beam and the first ladder section main beam is greater than 90°, and the included angle between the second ladder step resting cross beam located on the front side of the second ladder section main beam and the second ladder section main beam is greater than 90°; the ladder step has a third hook and a fourth hook at each end, and the ladder step is hung by the third hook and the fourth hook at each end to the corresponding first ladder step resting cross beam and second ladder step resting cross beam.

[0005] The assembled stair for scaffold of the utility model can be hung on the scaffold body by the first hook and the second hook, and construction personnel can walk up and down the stair, which has the advantages of easy installation and disassembly, simple assembly, high safety in use, etc.

[0006] Based on the above technical scheme, the utility model can also be improved as follows.

[0007] Further, the middle position of the first ladder step resting cross beam is fixedly connected to the first ladder section main beam, and the middle position of the second ladder step resting cross beam is fixedly connected to the second ladder section main beam.

[0008] Further, the opening direction of the first hook and the opening direction of the second hook are arranged towards the back side of the first ladder section main beam and the second ladder section main beam respectively.

[0009] Further, the third hook is two, two third hooks are installed at two corner positions of one end of the ladder step respectively.

[0010] Further, the fourth hook is two, two fourth hooks are installed at two corner positions of the other end of the ladder step respectively.

[0011] Further, the first ladder step resting cross beam is provided with a first hook resting groove, and the second ladder step resting cross beam is provided with a second hook resting groove.

[0012] The beneficial effect of the further scheme is that the third hook and the fourth hook can be respectively hung in the corresponding hook resting groove, preventing the ladder step from sliding, and making the assembly structure more firm and stable.

[0013] Further, the two ends of the first ladder step resting cross beam are respectively provided with a first hook limiting plate, and the two ends of the second ladder step resting cross beam are respectively provided with a second hook limiting plate.

[0014] The beneficial effect of the further scheme is that the hook limiting plate can further limit the hook from being pulled out of the ladder step resting cross beam.

[0015] Further, the first hook limiting plate is a ring-shaped structure plate arranged around the side of the end of the first ladder step resting cross beam, and the second hook limiting plate is a ring-shaped structure plate arranged around the side of the end of the second ladder step resting cross beam.

[0016] Further, a plurality of first ladder step resting cross beams are fixed on the first ladder section main beam at equal intervals, and a plurality of second ladder step resting cross beams are fixed on the second ladder section main beam at equal intervals.

[0017] A scaffold comprises the above-mentioned assembled stair for scaffold, and further comprises a scaffold body, the two ends of the first ladder section main beam are respectively hung with the first cross beam and the second cross beam of the scaffold body through the first hook, and the two ends of the second ladder section main beam are respectively hung with the first cross beam and the second cross beam of the scaffold body through the second hook.

[0018] The scaffold of the utility model has the advantages that the scaffold is convenient for construction personnel to go up and down, convenient to use, and high in safety. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a side view structural schematic diagram of the assembled stair for scaffold of the utility model;

[0020] Figure 2 It isFigure 1 Enlarged structural schematic view of part A;

[0021] Figure 3 Schematic view of the three-dimensional structure of the assembled stair for the scaffold of the utility model;

[0022] Figure 4 For Figure 3 Enlarged structural schematic view of part B;

[0023] Figure 5 Schematic view of the three-dimensional structure of the scaffold of the utility model.

[0024] In the drawings, the components represented by each reference numeral are listed as follows:

[0025] 1, first ladder section main beam; 2, second ladder section main beam; 3, first ladder step resting cross beam; 4, second ladder step resting cross beam; 5, first hook; 6, second hook; 7, ladder step; 8, third hook; 9, fourth hook; 10, first hook resting groove; 12, first hook limiting plate; 13, second hook limiting plate; 14, scaffold body; 15, first cross beam; 16, second cross beam. DETAILED DESCRIPTION

[0026] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0027] As Figures 1-4 shown, the assembled stair for the scaffold of the embodiment includes a first ladder section main beam 1, a second ladder section main beam 2, a plurality of first ladder step resting cross beams 3, a plurality of second ladder step resting cross beams 4, and a plurality of ladder steps 7. The first ladder section main beam 1 and the second ladder section main beam 2 are arranged in parallel and at intervals. The first ladder section main beam 1 is provided with a first hook 5 at each end. The second ladder section main beam 2 is provided with a second hook 6 at each end. The plurality of first ladder step resting cross beams 3 are arranged in parallel with each other and are fixed at intervals on the first ladder section main beam 1 in sequence. The plurality of second ladder step resting cross beams 4 are arranged in parallel with each other and are fixed at intervals on the second ladder section main beam 2 in sequence. The plurality of first ladder step resting cross beams 3 and the plurality of second ladder step resting cross beams 4 are arranged in one-to-one correspondence. The included angle between the first ladder step resting cross beam 3 located on the front side of the first ladder section main beam 1 and the first ladder section main beam 1 is greater than 90° (preferably greater than 110°, for example, 120°, etc.). The included angle between the second ladder step resting cross beam 4 located on the front side of the second ladder section main beam 2 and the second ladder section main beam 2 is greater than 90° (preferably greater than 110°, for example, 120°, etc.). The ladder step 7 is provided with a third hook 8 and a fourth hook 9 at each end. The ladder step 7 is hung with the corresponding first ladder step resting cross beam 3 and second ladder step resting cross beam 4 through the third hook 8 and fourth hook 9 at each end.

[0028] As shown in Figure 1 and Figure 2 , the middle position of the first step resting cross beam 3 is fixedly connected with the first ladder section main beam 1, and the middle position of the second step resting cross beam 4 is fixedly connected with the second ladder section main beam 2.

[0029] As shown in Figure 1 and Figure 3 , the opening direction of the first hook 5 and the opening direction of the second hook 6 are respectively arranged towards the back side of the first ladder section main beam 1 and the second ladder section main beam 2.

[0030] As shown in Figure 3 and Figure 4 , the third hook 8 of the embodiment is two, and the two third hooks 8 are respectively installed at two corner positions of one end of the step 7.

[0031] As shown in Figure 3 and Figure 4 , the fourth hook 9 of the embodiment is two, and the two fourth hooks 9 are respectively installed at two corner positions of the other end of the step 7.

[0032] As shown in Figure 2 , the first hook resting groove 10 is arranged on the first step resting cross beam 3, and the second hook resting groove is arranged on the second step resting cross beam 4. The third hook and the fourth hook can be respectively hung in the corresponding hook resting groove to prevent the step from sliding and make the assembly structure more firm and stable.

[0033] As shown in Figure 2 , the two ends of the first step resting cross beam 3 are respectively provided with the first hook limiting plate 12, and the two ends of the second step resting cross beam 4 are respectively provided with the second hook limiting plate 13. The arrangement of the hook limiting plate can further limit the hook from being pulled out of the step resting cross beam.

[0034] As shown in Figure 2 , the first hook limiting plate 12 is a ring-shaped structure plate arranged around the end of the first step resting cross beam 3, and the second hook limiting plate 13 is a ring-shaped structure plate arranged around the end of the second step resting cross beam 4.

[0035] As shown in Figure 1 and Figure 3 , a plurality of first step resting cross beams 3 are fixedly arranged on the first ladder section main beam 1 at equal intervals, and a plurality of second step resting cross beams 4 are fixedly arranged on the second ladder section main beam 2 at equal intervals.

[0036] In the embodiment, the first ladder section main beam 1 and the second ladder section main beam 2 are beyond the uppermost ladder step 7 and the lowermost ladder step 7 by a distance, facilitating butt joint with the scaffold body.

[0037] Optionally, the first ladder step resting cross beam 3 and the second ladder step resting cross beam 4 are in a cylindrical structure or a columnar structure.

[0038] The hooks in the embodiment can be welded and fixed at the installation positions, or can be locked by bolts at the installation positions. Anti-skid protrusions can be arranged on the ladder steps 7 to avoid slipping during the process of going up and down by the construction personnel.

[0039] The assembled stair for the scaffold in the embodiment can be hung on the scaffold body through the first hook and the second hook, the construction personnel can go up and down by walking through the assembled stair, and the assembled stair has the advantages of convenient installation and removal, simple assembly, high safety in use and the like.

[0040] As shown in Figure 5 The embodiment further discloses a scaffold, which comprises the assembled stair for the scaffold and further comprises a scaffold body 14, two ends of the first ladder section main beam 1 are hung on a first cross beam 15 and a second cross beam 16 of the scaffold body 14 through a first hook 5, and two ends of the second ladder section main beam 2 are hung on the first cross beam 15 and the second cross beam 16 of the scaffold body 14 through a second hook 6. When the assembled stair is hung on the scaffold body through the first hook and the second hook, the ladder steps 7 are horizontally arranged.

[0041] The scaffold in the embodiment is convenient for the construction personnel to go up and down the scaffold, is convenient to use, and is high in safety.

[0042] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0043] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an ordered ranking of the indicated technical features. Thus, features defined with "first", "second" or "third" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified.

[0044] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0046] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0047] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A modular staircase for scaffolding, characterized in that, The system includes a first-stage main beam, a second-stage main beam, multiple first-step support beams, multiple second-step support beams, and multiple steps. The first-stage and second-stage main beams are arranged in parallel and spaced apart. Each end of the first-stage main beam has a first hook, and each end of the second-stage main beam has a second hook. The multiple first-step support beams are arranged parallel to each other and fixed to the first-stage main beam at intervals. The multiple second-step support beams are also arranged parallel to each other and fixed to the second-stage main beam at intervals. Each step support beam is arranged in a one-to-one correspondence with multiple second step support beams; the angle between the first step support beam located on the front side of the first stair section main beam and the first stair section main beam is greater than 90°, and the angle between the second step support beam located on the front side of the second stair section main beam and the second stair section main beam is greater than 90°; each step is provided with a third hook and a fourth hook at both ends, and each step is connected to the corresponding first step support beam and second step support beam through the third hook and the fourth hook, respectively.

2. The modular staircase for scaffolding according to claim 1, characterized in that, The middle position of the first step support beam is fixedly connected to the first stair section main beam, and the middle position of the second step support beam is fixedly connected to the second stair section main beam.

3. The modular staircase for scaffolding according to claim 1, characterized in that, The opening direction of the first hook and the opening direction of the second hook are respectively arranged towards the back side of the first and second ladder main beams.

4. The modular staircase for scaffolding according to claim 1, characterized in that, There are two third hooks, which are respectively installed at two corners at one end of the step.

5. The modular staircase for scaffolding according to claim 1, characterized in that, There are two fourth hooks, which are respectively installed at the two corners of the other end of the ladder step.

6. The modular staircase for scaffolding according to claim 1, characterized in that, The first step support beam is provided with a first hook support groove, and the second step support beam is provided with a second hook support groove.

7. The modular staircase for scaffolding according to claim 1, characterized in that, The first step support beam has a first hook limiting plate at both ends, and the second step support beam has a second hook limiting plate at both ends.

8. The modular staircase for scaffolding according to claim 7, characterized in that, The first hook limiting plate is an annular structural plate surrounding the end of the first step support beam, and the second hook limiting plate is an annular structural plate surrounding the end of the second step support beam.

9. The modular staircase for scaffolding according to claim 1, characterized in that, Multiple first-step support beams are fixed at equal intervals on the first-step main beam, and multiple second-step support beams are fixed at equal intervals on the second-step main beam.

10. A type of scaffolding, characterized in that, The first staircase includes a prefabricated staircase for scaffolding as described in any one of claims 1 to 9, and further includes a scaffolding body. The two ends of the main beam of the first staircase section are respectively hooked to the first crossbeam and the second crossbeam of the scaffolding body via first hooks, and the two ends of the main beam of the second staircase section are respectively hooked to the first crossbeam and the second crossbeam of the scaffolding body via second hooks.

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