An adjustable cantilever scaffold device and its usage method

Abstract

The present invention provides an adjustable cantilever frame device and a use method thereof, which can facilitate the horizontal adjustment of a cantilever frame scaffolding. The cantilever frame device comprises: an embedded part, a first I-beam, a second I-beam, and a scaffolding adjusting part, wherein the part of the embedded part passing through a concrete slab comprises a threaded rod; the first I-beam extends in the passing direction of the embedded part, and the first I-beam and the threaded rod are detachably connected; the second I-beam is horizontally laid on the top surface of the first I-beam, and the first I-beam and the second I-beam are fixedly connected; the two ends of the scaffolding adjusting part are respectively connected to the top surface of the second I-beam and the bottom of the scaffolding, and the distance between the scaffolding and the second I-beam is adjusted by rotating the scaffolding adjusting part.

Description

Technical Field

[0001] The invention relates to the field of building construction, and in particular to an adjustable cantilever frame device and a use method thereof. Background Art

[0002] In the prior art, the method of erecting multi-layer cantilever scaffolds is as follows: the full-height scaffold is divided into several sections, each section is erected at a height not exceeding 20m, and the cantilever beams or cantilever frames are used as the scaffold foundation to erect the scaffold in sections. This method can be used to erect scaffolds over 50m, and the cantilever scaffold facade must be fully equipped with scissor braces. Erection requirements: the longitudinal spacing of the vertical poles should not be greater than 1.5m, the height of each section should not be greater than 18m, the spacing between the wall parts should not be greater than 6m in the horizontal direction and 4m in the vertical direction, and the gap between the ground floor and the building must be closed and tightly protected to prevent falling objects. Summary of the invention

[0003] The object of the present invention is to provide an adjustable cantilever frame device, which can facilitate the leveling of a cantilever frame scaffolding and a method of using the cantilever frame scaffolding.

[0004] The embodiment of the present invention is achieved as follows:

[0005] An adjustable cantilever frame device comprises: an embedded part, a first I-beam, a second I-beam, and a scaffolding adjusting part, wherein the part of the embedded part that passes through the concrete slab comprises a threaded rod; the first I-beam extends in the direction in which the embedded part passes through, and the first I-beam and the threaded rod are detachably connected; the second I-beam is horizontally laid on the top surface of the first I-beam, and the first I-beam and the second I-beam are fixedly connected; the two ends of the scaffolding adjusting part are respectively connected to the top surface of the second I-beam and the bottom of the scaffolding, and the distance between the scaffolding and the second I-beam is adjusted by rotating the scaffolding adjusting part.

[0006] In a preferred embodiment of the present invention, the above-mentioned scaffolding adjustment member includes: an L-shaped base, an adjustment column, and an adjustment cylinder. The horizontal portion of the L-shaped base is embedded in the groove of the second I-beam, and the vertical portion of the L-shaped base extends out of the second I-beam; the adjustment column is vertically fixed to the middle of the horizontal portion, and the outer wall of the adjustment column is provided with a thread; the adjustment cylinder is sleeved on the adjustment column, and the top of the adjustment cylinder is installed with a support leg of the scaffolding, and the inner wall of the adjustment cylinder is provided with an internal thread that cooperates with the adjustment column, and the distance between the scaffolding and the second I-beam is adjusted by rotating the adjustment cylinder.

[0007] In a preferred embodiment of the present invention, the scaffolding adjustment member further comprises: a fixing clamp, which is arranged on the adjustment tube and located at one end where the adjustment tube is connected to the adjustment column.

[0008] In a preferred embodiment of the present invention, the cantilever frame device further comprises: a positioning member, which is arranged at the intersection of the first I-beam and the second I-beam.

[0009] In a preferred embodiment of the present invention, the positioning member includes a threaded hook and a positioning piece. The hooked portion of the threaded hook hooks the second I-beam, and the vertical portion of the threaded hook is located at the intersection of the first I-beam and the second I-beam; the positioning piece is threadedly connected to the vertical portion of the threaded hook, and the positioning piece is snapped into the first I-beam.

[0010] In a preferred embodiment of the present invention, the scaffolding adjusting member further includes an L-shaped connecting piece. The vertical portion of the L-shaped connecting piece is connected to the vertical portion of the L-shaped base by bolts. The horizontal portion of the L-shaped connecting piece extends from below the second I-beam to the positioning member, and the vertical portion of the threaded hook is connected to the horizontal portion of the L-shaped connecting piece.

[0011] In a preferred embodiment of the present invention, the cantilever frame device includes a diagonal brace, and the two ends of the diagonal brace are respectively connected to the outer end of the first I-beam and the embedded part at the upper layer of the concrete slab.

[0012] In a preferred embodiment of the present invention, the scaffolding is a disc buckle type scaffolding.

[0013] A method for using an adjustable cantilever frame device, the method comprising the following steps:

[0014] The first I-beam is fixedly connected to the embedded part by screwing a fixing nut into the threaded rod, so that the first I-beam horizontally extends outside the concrete slab;

[0015] Connect the first I-beam and the second I-beam;

[0016] Adopt a positioning member to install the adjusting member at a specified position on the second I-beam;

[0017] Install the scaffolding. The scaffolding vertical pole is installed on the adjusting cylinder. Use a level to check whether the disc on the scaffolding vertical pole is horizontal. If it is not horizontal, rotate the adjusting cylinder for height adjustment; after the level checks that the scaffolding disc is horizontal, use a fixing clamp to fix the adjusting cylinder on the adjusting column so that the adjusting cylinder and the scaffolding vertical pole on the adjusting cylinder will not move; then install the cross bars and diagonal bars of the scaffolding respectively. After using the tightening pin, complete the installation of the scaffolding.

[0018] The beneficial effects of the embodiments of the present invention are as follows: In the cantilever frame of the present invention, a support frame is formed by the first I-beam and the second I-beam. The first I-beam is detachably connected to the embedded part, and more specifically, it is threadedly connected, which is convenient for the installation and disassembly of the cantilever frame; the top of the second I-beam is connected to the scaffolding, and the scaffolding and the second I-beam are connected by a scaffolding adjusting member, so that during installation, it is convenient to level the scaffolding, thereby ensuring that the scaffolding is horizontally placed; the first I-beam and the upper layer of the concrete slab are connected by a diagonal brace, and the three form a right triangle for overall reinforcement of the cantilever frame device. Description of the Drawings

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic side structure diagram of the cantilever scaffold device according to an embodiment of the present invention;

[0021] Figure 2 It is a schematic enlarged structure diagram of the embedded part according to an embodiment of the present invention;

[0022] Figure 3 It is a schematic enlarged structure diagram of the scaffold adjusting member according to an embodiment of the present invention;

[0023] Icons: 100 - embedded part; 200 - first I-beam; 300 - second I-beam; 400 - scaffold adjusting member; 500 - scaffold; 600 - diagonal brace; 110 - embedded part body; 120 - positioning rod; 130 - connecting ring; 210 - diagonal brace connecting piece; 410 - L-shaped base; 420 - adjusting column; 430 - adjusting cylinder; 440 - fixed clamp; 450 - L-shaped connecting piece; 700 - positioning member; 710 - threaded hook; 720 - positioning piece. Detailed Embodiments

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and shown in the accompanying drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive product is customarily placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and should not be construed as indicating or implying relative importance.

[0028] In addition, the terms "horizontal", "vertical", "overhanging", etc. do not mean that the components are required to be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but may be slightly inclined.

[0029] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] First Embodiment

[0031] Please refer to Figures 1 - 3 , this embodiment provides an adjustable cantilever scaffold device, which includes: a pre-embedded part 100, a first I-beam 200, a second I-beam 300, and a scaffold adjusting member 400. The part of the pre-embedded part 100 passing through the concrete slab includes a threaded rod; the first I-beam 200 extends in the direction in which the pre-embedded part 100 passes through, and the first I-beam 200 is detachably connected to the threaded rod; the second I-beam 300 is horizontally laid on the top surface of the first I-beam 200, and the first I-beam 200 and the second I-beam 300 are fixedly connected; both ends of the scaffold adjusting member 400 are respectively connected to the top surface of the second I-beam 300 and the bottom of the scaffold, and the distance between the scaffold and the second I-beam 300 is adjusted by rotating the scaffold adjusting member 400. The scaffold 500 in this embodiment is a disc-locked scaffold 500.

[0032] In this embodiment, the cantilever scaffold forms a support frame through the first I-beam 200 and the second I-beam 300. The first I-beam 200 is detachably connected to the embedded part 100, more specifically, by threaded connection, which facilitates the installation and disassembly of the cantilever scaffold. The top of the second I-beam 300 is connected to the scaffold 500, and the scaffold 500 and the second I-beam 300 are connected through the scaffold adjusting member 400, so that during installation, it is convenient to level the scaffold 500, thus ensuring that the scaffold 500 is horizontally placed. The first I-beam 200 and the upper layer of concrete slab are connected by a diagonal brace, and the three form a right triangle for overall reinforcement of the cantilever scaffold device.

[0033] More specifically, the embedded part 100 in this embodiment includes: an embedded part body 110, a positioning plug, a positioning rod 120, and a connecting ring 130. The embedded part body 110 includes an embedded part cylinder and a connecting box provided at one end of the embedded part cylinder. The inner cavity of the embedded part cylinder and the inner cavity of the connecting box are communicated. A connecting block matching the shape of the inner cavity of the connecting box is provided in the connecting box, and a through threaded hole is provided at the center of the connecting block. The positioning plug is detachably connected to the other end of the embedded part cylinder, and a through threaded hole is provided at the center of the positioning plug. The positioning rod 120 is a threaded rod. One end of the positioning rod 120 is provided with a circular lifting ring. The other end of the positioning rod 120 is screwed into the threaded hole through the embedded part cylinder and connected to the connecting block. External threads are provided on the positioning rod 120. The connecting ring 130 is provided on the positioning rod 120.

[0034] In this embodiment, a diagonal brace connecting piece 210 is provided at the outer end of the first I-beam 200. Both ends of the diagonal brace 600 are respectively connected to the diagonal brace connecting piece 210 at the outer end of the first I-beam 200 and the circular lifting ring of the embedded part 100 at the upper layer of the concrete slab.

[0035] In this embodiment, the scaffold adjusting member 400 includes: an L-shaped base 410, an adjusting column 420, and an adjusting cylinder 430. The horizontal part of the L-shaped base 410 is fitted into the groove of the second I-beam 300, and the vertical part of the L-shaped base 410 extends out of the second I-beam 300. The adjusting column 420 is vertically fixed in the middle of the horizontal part, and external threads are provided on the outer wall of the adjusting column 420. The adjusting cylinder 430 is sleeved on the adjusting column 420, and the top of the adjusting cylinder 430 is installed with the support leg of the scaffold 500. Internal threads matching the adjusting column 420 are provided on the inner wall of the adjusting cylinder 430, and the distance between the scaffold 500 and the second I-beam 300 is adjusted by rotating the adjusting cylinder 430.

[0036] More specifically, the scaffold adjusting member 400 further includes: a fixed clamp 440. The fixed clamp 440 is provided on the adjusting cylinder 430 and is located at one end where the adjusting cylinder 430 is connected to the adjusting column 420, and is used for reinforcement and fixation with the fixed clamp 440 after the positions of the adjusting cylinder 430 and the adjusting column 420 are determined.

[0037] More specifically, the cantilever scaffold device in this embodiment further includes: a positioning member 700, which is arranged at the intersection of the first I-beam 200 and the second I-beam 300 and is used to facilitate the positioning and installation of the first I-beam 200 and the second I-beam 300.

[0038] More specifically, the positioning member 700 in this embodiment includes: a threaded hook 710 and a positioning piece 720. The hooked part of the threaded hook 710 hooks the second I-beam 300, and the vertical part of the threaded hook 710 is located at the intersection of the first I-beam 200 and the second I-beam 300; the positioning piece 720 is threadedly connected to the vertical part of the threaded hook 710, and the positioning piece 720 is snapped into the first I-beam 200.

[0039] More specifically, the scaffold adjusting member 400 in this embodiment further includes an L-shaped connecting piece 450. The vertical part of the L-shaped connecting piece 450 is bolted to the vertical part of the L-shaped base 410. The horizontal part of the L-shaped connecting piece 450 extends from below the second I-beam 300 to the positioning member 700, and the vertical part of the threaded hook 710 is connected to the horizontal part of the L-shaped connecting piece 450.

[0040] A usage method of an adjustable cantilever scaffold device, the usage method includes the following steps:

[0041] The first I-beam 200 is fixedly connected to the embedded part 100 by screwing a fixing nut into the threaded rod, so that the first I-beam 200 horizontally extends outside the concrete slab;

[0042] Connect the first I-beam 200 and the second I-beam 300;

[0043] Adopt a positioning member 120 to install the adjusting member 400 at a specified position on the second I-beam 300;

[0044] Install the scaffold 500. The scaffold upright poles are installed on the adjusting cylinders 430. Use a level to check whether the discs on the scaffold upright poles are horizontal. If not, rotate the adjusting cylinders 430 for height adjustment; after the level checks that the scaffold discs are horizontal, use a fixing clamp 440 to fix the adjusting cylinders 430 on the adjusting columns 420 so that the adjusting cylinders 430 and the scaffold upright poles on the adjusting cylinders 430 will not move; then install the crossbars and diagonal bars of the scaffold respectively. After using a tightening pin, complete the installation of the scaffold.

[0045] This specification describes examples of embodiments of the present invention and does not mean that these embodiments illustrate and describe all possible forms of the present invention. It should be understood that the embodiments in the specification can be implemented in various alternative forms. The accompanying drawings need not be drawn to scale; some features may be enlarged or reduced to show details of particular components. The specific structural and functional details disclosed should not be construed as limiting, but are merely a representative basis for teaching those skilled in the art to implement the present invention in multiple forms. Those skilled in the art should understand that the multiple features described and illustrated with reference to any one of the accompanying drawings can be combined with features illustrated in one or more other drawings to form embodiments not explicitly illustrated or described. The described combination of features provides representative embodiments for typical applications. However, various combinations and variations of features consistent with the teachings of the present invention can be used for specific applications or implementations as needed.

[0046] The foregoing is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An adjustable cantilever scaffold device, characterized in that, the cantilever scaffold device includes: An embedded part, the part passing through the concrete slab includes a threaded rod; The first I-beam extends in the direction of the part of the embedded part passing through. The first I-beam and the threaded rod are detachably connected; The second I-beam is horizontally laid on the top surface of the first I-beam, and the first I-beam and the second I-beam are fixedly connected; A scaffold adjusting member, the two ends of which are respectively connected to the top surface of the second I-beam and the bottom of the scaffold. The distance between the scaffold and the second I-beam is adjusted by rotating the scaffold adjusting member; the scaffold adjusting member includes: An L-shaped base, the horizontal part of the L-shaped base is fitted into the groove of the second I-beam, and the vertical part of the L-shaped base extends out of the second I-beam; An adjusting column is vertically fixed in the middle of the horizontal part. The outer wall of the adjusting column is provided with threads; an adjusting cylinder is sleeved on the adjusting column. The top of the adjusting cylinder is provided with the support feet of the scaffold. The inner wall of the adjusting cylinder is provided with internal threads matching the adjusting column. The distance between the scaffold and the second I-beam is adjusted by rotating the adjusting cylinder; The scaffold adjusting member further includes: a fixed clamp, which is arranged on the adjusting cylinder and is located at one end where the adjusting cylinder is connected to the adjusting column; The cantilever scaffold device further includes: a positioning member, which is arranged at the intersection of the first I-beam and the second I-beam; The positioning member includes: A threaded hook, the hooked part of the threaded hook hooks the second I-beam, and the vertical part of the threaded hook is located at the intersection of the first I-beam and the second I-beam; A positioning piece is threadedly connected to the vertical part of the threaded hook, and the positioning piece is clamped into the first I-beam; The scaffold adjusting member further includes; An L-shaped connecting piece, the vertical part of the L-shaped connecting piece is connected to the vertical part of the L-shaped base by bolts. The horizontal part of the L-shaped connecting piece extends from below the second I-beam to the positioning member, and the vertical part of the threaded hook is connected to the horizontal part of the L-shaped connecting piece.

2. The adjustable cantilever scaffold device according to claim 1, characterized in that, the cantilever scaffold device includes: a diagonal brace, and the two ends of the diagonal brace are respectively connected to the outer end of the first I-beam and the embedded part at the upper layer of the concrete slab.

3. The adjustable cantilever scaffold device according to claim 1, characterized in that, the scaffold is a disc buckle scaffold.

4. A method for using an adjustable cantilever scaffold device, including the adjustable cantilever scaffold device according to any one of claims 1-3, characterized in that, the using method includes the following steps: The first I-beam is fixedly connected to the embedded part by screwing a fixing nut into the threaded rod, so that the first I-beam horizontally extends outside the concrete slab; Connect the first I-beam and the second I-beam; Adopt a positioning member to install the adjusting member at a specified position on the second I-beam; Install the scaffolding. The vertical poles of the scaffolding are installed on the adjusting cylinders. Use a level to check whether the discs on the vertical poles of the scaffolding are level. If not, rotate the adjusting cylinders to adjust the height. After the level checks that the discs of the scaffolding are level, use a fixed clamp to fix the adjusting cylinders on the adjusting columns so that the adjusting cylinders and the vertical poles of the scaffolding on the adjusting cylinders will not move. Then install the horizontal bars and diagonal bars of the scaffolding respectively. After using the tightening pins, the installation of the scaffolding is completed.

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