Movable lifting lug device for cantilever scaffold

Abstract

The utility model relates to a movable lifting lug device for an overhanging scaffold, which comprises I-shaped steel, a shaping support steel sleeve, a screw rod and an adjustable tightening jack, the shaping supporting steel sleeve is arranged outside the I-shaped steel in a sleeving mode and comprises two forming steel plates formed in a bent mode, and the two forming steel plates are connected. Each forming steel plate comprises a first vertical section steel plate on the upper portion, the two first vertical section steel plates are connected through a screw rod, a pull rod is hinged between the two first vertical section steel plates through a screw rod, and the shaping supporting steel sleeve and the I-shaped steel are fixed in a jacking mode through an adjustable jacking support. The position of the lifting lug is adjustable in the length direction of the I-shaped steel, and the lifting lug is suitable for pull rods with different lengths and installation positions and convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, specifically relates to a movable lug device for overhanging scaffold. BACKGROUND

[0002] As shown in Figure 1 and Figure 2 , the lug 1 of the existing overhanging scaffold is used to connect and fix the lower end of the pull rod 3 of the overhanging scaffold, and the lower end of the pull rod 3 is usually hinged with the lug 1. At present, the lug 1 is fixed on the top surface of the I-shaped steel 2 by welding. This traditional lug 1 needs to be welded, and the process is complex, the welding quality is required to be high, the construction efficiency is low, and the lug 1 is fixed on the top of the I-shaped steel 2. The position of the lug 1 cannot adapt to pull rods 3 of different lengths, so that the position of the pull rod 3 on the I-shaped steel 2 cannot be flexibly set. The lug 1 and the pull rod 3 cannot be flexibly adjusted in position according to the specific circumstances or construction requirements on site, and it is also difficult to be used for other projects, which means that when the scaffold layout needs to be changed or the support point needs to be adjusted, it may not be able to respond quickly, reducing the flexibility of construction, and the turnover utilization rate is low, and it cannot be applied to other engineering projects. SUMMARY

[0003] In view of the technical problems existing in the prior art, the purpose of the utility model is to provide a movable lug device for overhanging scaffold, the lug position is adjustable in the length direction of the I-shaped steel, suitable for pull rods of different lengths and installation positions, and convenient to disassemble and assemble.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A movable lug device for overhanging scaffold, comprising an I-shaped steel, further comprising a shaped support steel sleeve, a screw rod and an adjustable tight top support; the shaped support steel sleeve is sleeved outside the I-shaped steel, the shaped support steel sleeve comprises two curved shaped steel plates, and the two shaped steel plates are connected; each shaped steel plate comprises a first vertical section steel plate at the upper part, the two first vertical section steel plates are connected through a screw rod, a pull rod is hinged between the two first vertical section steel plates through the screw rod, and the shaped support steel sleeve and the I-shaped steel are fixed through the adjustable tight top support.

[0006] As a preferred, the shaped steel plate further comprises a first horizontal section steel plate, a second vertical section steel plate, a second horizontal section steel plate and a third vertical section steel plate connected in sequence, the first vertical section steel plate is connected with the first horizontal section steel plate, the first horizontal section steel plate is located above the I-shaped steel, the second horizontal section steel plate is located below the I-shaped steel, and the two third vertical section steel plates are detachably connected through connecting bolts and first nuts; the two shaped steel plates are symmetrically sleeved outside the I-shaped steel.

[0007] As a kind of preferred, adjustable tight top support includes top tight bolt, the surface of profiled steel plate is provided with threaded hole, and top tight bolt is threadedly connected with threaded hole, and the end of top tight bolt is tightly pressed on the surface of I-beam.

[0008] As a kind of preferred, the end of top tight bolt is fixed with flat plate, and flat plate is tightly pressed on the surface of I-beam.

[0009] As a kind of preferred, threaded hole is provided in the top surface of first horizontal section steel plate, and the end of top tight bolt is tightly pressed on the top surface of I-beam.

[0010] As a kind of preferred, the number of adjustable tight top support is four.

[0011] As a kind of preferred, four adjustable tight top supports are evenly divided into two columns and symmetrically distributed in the length direction of I-beam.

[0012] As a kind of preferred, there is gap between two sections of first vertical section steel plate, and the mounting end of pull rod is located in the gap.

[0013] As a kind of preferred, screw rod passes through two sections of first vertical section steel plate, and screw rod also passes through the mounting end of pull rod, and the end of screw rod is threadedly connected with second nut located outside first vertical section steel plate.

[0014] The utility model has the following advantages:

[0015] (1) movable lifting lug device is sleeved outside I-beam through setting shaped support steel sleeve, can be installed according to different pull rod lengths or different installation positions, shaped support steel sleeve slides on I-beam, is flexible and adjustable, is applicable to the installation requirements of a variety of different engineering projects, is convenient to disassemble and assemble, and is practical.

[0016] (2) shaped support steel sleeve and I-beam are kept displacement invariable through adjustable tight top support, ensure that lifting lug device does not shift during use, and ensure construction safety.

[0017] (3) shaped support steel sleeve includes two curved shaped steel plates connected, two shaped steel plates can be directly installed on corresponding positions of I-beam, when needing to be disassembled, only need to directly loosen nut to disassemble, and the disassembly of lifting lug device does not need to pass through the end of I-beam, so that installation and disassembly are more convenient and fast.

[0018] (4) movable lifting lug device includes I-beam, shaped support steel sleeve, screw rod and adjustable tight top support, simple structure, convenient to use and disassemble, high construction efficiency, saves labor cost, is suitable for a variety of different engineering needs, can be widely promoted. BRIEF DESCRIPTION OF DRAWINGS

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of a prior art lifting lug device.

[0021] Figure 2 for Figure 1 The right view.

[0022] Figure 3 This is a schematic diagram of the structure of the lifting lug device of this utility model, where the screw has external threads at both ends.

[0023] Figure 4 for Figure 2 Left view with the tie rod, threaded rod, bolt, and nut removed.

[0024] Figure 5 This is a schematic diagram of the structure of the lifting lug device of this utility model, where one end of the screw is a bolt head.

[0025] The components are as follows: 1. Lifting lug; 2. I-beam; 3. Tie rod; 4. Screw; 5. Adjustable top support; 6. First vertical steel plate; 7. First horizontal steel plate; 8. Second vertical steel plate; 9. Second horizontal steel plate; 10. Third vertical steel plate; 11. Third horizontal steel plate; 12. Tightening bolt; 13. Flat plate; 14. Gap; 15. First nut; 16. Bolt head; 17. Connecting bolt; 18. Second nut. Detailed Implementation

[0026] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] like Figure 3 and Figure 4As shown, a movable lug device for cantilevered scaffold includes an I-beam 2, a shaped support steel sleeve, a screw rod 4 and an adjustable tight support 5; the shaped support steel sleeve forms an accommodating space to accommodate the I-beam 2 inside, the shaped support steel sleeve is sleeved outside the I-beam 2, and the shaped support steel sleeve includes two curved shaped steel plates connected together; each shaped steel plate includes a first vertical segment steel plate 6 at the upper part, the first vertical segment steel plate 6 is vertically oriented above the I-beam 2, the two first vertical segment steel plates 6 are connected by the screw rod 4, the two first vertical segment steel plates 6 are hinged by a pull rod 3 through the screw rod 4, and the pull rod 3 is hinged with the screw rod 4; further, there is a gap 14 between the two first vertical segment steel plates 6, and the mounting end of the pull rod 3 is located in the gap 14; the first vertical segment steel plate 6 is provided with a through hole, the screw rod 4 passes through the two through holes and the mounting end of the pull rod 3 at the same time, the two ends of the screw rod 4 respectively extend outside the two through holes, and a second nut 18 is threadedly connected to the end of the screw rod 4; the second nut 18 is located outside the first vertical segment steel plate 6. The screw rod 4 has external threads at both ends or has a bolt head 16 at one end and an external thread at the other end, such as Figure 3 As shown, when the screw rod 4 has external threads at both ends, the two ends of the screw rod 4 are respectively threadedly connected with two second nuts 18; as shown, Figure 5 When the screw rod 4 has a bolt head 16 at one end and an external thread at the other end, the bolt head 16 is placed on the outside of one first vertical segment steel plate 6, and two second nuts 18 threadedly connected with the other end of the screw rod 4 are placed on the outside of the other first vertical segment steel plate 6.

[0028] The shaped steel plate further includes a first horizontal segment steel plate 7, a second vertical segment steel plate 8, a second horizontal segment steel plate 9 and a third vertical segment steel plate 10 connected in sequence, the first vertical segment steel plate 6 above the first horizontal segment steel plate 7 is connected with the first horizontal segment steel plate 7, the first horizontal segment steel plate 7 is located above the I-beam 2, the second horizontal segment steel plate 9 is located below the I-beam 2, and the two third vertical segment steel plates 10 are detachably connected by a connecting bolt 17 and a first nut 15; specifically, the third vertical segment steel plate 10 is provided with a through hole, the bolt passes through the through holes of the two third vertical segment steel plates 10, and the first nut 15 outside the third vertical segment steel plate 10 is threadedly connected with the end of the connecting bolt 17, so as to connect the two third vertical segment steel plates 10; so as to realize that the two shaped steel plates are symmetrically sleeved outside the I-beam 2.

[0029] The adjustable tight jacking support 5 is used for keeping the displacement between the shaped support steel sleeve and the I-shaped steel 2 unchanged. The adjustable tight jacking support 5 comprises a tight jacking bolt 12, a threaded hole is formed on the surface of the shaped steel plate, the tight jacking bolt 12 is threadedly connected with the threaded hole, and the end of the tight jacking bolt 12 is tightly arranged on the surface of the I-shaped steel 2. The end of the tight jacking bolt 12 is fixedly connected with a flat plate 13, and the flat plate 13 is tightly arranged on the surface of the I-shaped steel 2. The adjustable tight jacking support 5 can be tightly arranged on the top surface or the side surface of the I-shaped steel 2, and in the embodiment, the threaded hole is arranged on the top surface of the first horizontal section steel plate 7, and the end of the tight jacking bolt 12 is tightly arranged on the top surface of the I-shaped steel 2. The number of the adjustable tight jacking supports 5 is four. The four adjustable tight jacking supports 5 are evenly divided into two rows and symmetrically arranged on the length direction of the I-shaped steel 2.

[0030] The shaped support steel sleeve can be slid on the I-shaped steel 2, the position of the shaped support steel sleeve can be flexibly adjusted, and then the position of the shaped support steel sleeve is fixed through the adjustable tight jacking support 5, so that the installation requirements of various engineering projects can be met, the shaped support steel sleeve is convenient to disassemble and assemble, and the practicality is high. The two shaped steel plates can be directly installed on the corresponding positions of the I-shaped steel 2, and when the two shaped steel plates need to be disassembled, the two shaped steel plates can be directly disassembled by loosening the first nut 15 and the second nut 18, and the disassembly of the lifting lug device does not need to pass through the end of the I-shaped steel 2, so that the installation and disassembly are more convenient and fast.

[0031] The movable lifting lug device avoids the influence of the welding quality on the quality of the existing lifting lug 1, the controllability of the quality is high, the safety performance of the lifting lug 1 is greatly improved, and the stability and safety of the cantilevered scaffold can be improved.

[0032] The shaped support steel sleeve can be customized according to different types of I-shaped steels 2 in a factory, one shaped support steel sleeve can be applied to various I-shaped steels 2, and only the total height of the I-shaped steel 2 needs to be less than the distance between the first horizontal section steel plate 7 and the second horizontal section steel plate 9, that is, the total height of the I-shaped steel 2 needs to be less than the height of the accommodating space for accommodating the I-shaped steel 2, so that the I-shaped steel 2 can be sleeved into the shaped support steel sleeve, the I-shaped steels 2 meeting the height requirement can use the same type of lifting lug device, and the adaptability of the lifting lug device is wide.

[0033] During installation, the two profiled steel plates are directly sleeved on the I-shaped steel 2, the two third vertical segment steel plates 10 below are initially connected through the bolts and nuts 15, the profiled steel plates are slid to the appropriate position, the bolts and nuts 15 are tightened to tightly connect the two third vertical segment steel plates 10, the four adjustable jacks 5 are adjusted to ensure that the profiled steel plates do not displace, the installation end of the pull rod 3 is placed in the gap 14 between the two first vertical segment steel plates 6, the screw rod 4 is sequentially threaded through the through hole, the installation end of the pull rod 3 and the other through hole, and then the end of the screw rod 4 is connected and fixed with the nut 15, so that the two first vertical segment steel plates 6 are connected and hinged with the pull rod 3 through the screw rod 4. The construction method process is simple and easy to operate, and can effectively improve the safety and stability of the cantilevered scaffold.

[0034] The utility model is further described above with the help of specific embodiments, but it should be understood that the specific description here should not be understood as the limitation on the essence and scope of the utility model, and various modifications made by the ordinary skilled in the art after reading the specification to the above embodiments all belong to the scope protected by the utility model.

Claims

1. A movable lifting lug device for cantilever scaffolding, comprising an I-beam (2), characterized in that: It also includes a shaped support steel sleeve, a screw (4) and an adjustable top support (5); the shaped support steel sleeve is fitted over the outside of the I-beam (2), the shaped support steel sleeve includes two bent and formed steel plates connected together; each formed steel plate includes an upper first vertical section steel plate (6), the two first vertical sections steel plates (6) are connected by a screw (4), the two first vertical sections steel plates (6) are hinged by a tie rod (3) through the screw (4), and the shaped support steel sleeve is tightened and fixed to the I-beam (2) by the adjustable top support (5).

2. A movable lifting lug device for cantilever scaffolding according to claim 1, characterized in that: The formed steel plate also includes a first horizontal steel plate (7), a second vertical steel plate (8), a second horizontal steel plate (9), and a third vertical steel plate (10) connected in sequence. The first vertical steel plate (6) is connected to the first horizontal steel plate (7). The first horizontal steel plate (7) is located above the I-beam (2), and the second horizontal steel plate (9) is located below the I-beam (2). The two third vertical steel plates (10) are detachably connected by connecting bolts (17) and first nuts (15). The two formed steel plates are symmetrically fitted on the outside of the I-beam (2).

3. A movable lifting lug device for cantilever scaffolding according to claim 2, characterized in that: The adjustable top support (5) includes a top bolt (12), a threaded hole is opened on the surface of the formed steel plate, the top bolt (12) is threadedly connected to the threaded hole, and the end of the top bolt (12) is pressed against the surface of the I-beam (2).

4. A movable lifting lug device for cantilever scaffolding according to claim 3, characterized in that: A plate (13) is fixed to the end of the tightening bolt (12), and the plate (13) is pressed against the surface of the I-beam (2).

5. A movable lifting lug device for cantilever scaffolding according to claim 3, characterized in that: The threaded hole is opened on the top surface of the first horizontal steel plate (7), and the end of the tightening bolt (12) is tightened on the top surface of the I-beam (2).

6. A movable lifting lug device for cantilever scaffolding according to claim 5, characterized in that: The number of adjustable top supports (5) is four.

7. A movable lifting lug device for cantilever scaffolding according to claim 6, characterized in that: The four adjustable clamping supports (5) are divided into two rows and are symmetrically distributed along the length of the I-beam (2).

8. A movable lifting lug device for cantilever scaffolding according to claim 1, characterized in that: There is a gap (14) between the two first vertical steel plates (6), and the mounting end of the tie rod (3) is located in the gap (14).

9. A movable lifting lug device for cantilever scaffolding according to claim 8, characterized in that: The screw (4) passes through the two sections of the first vertical steel plate (6) and also passes through the mounting end of the tie rod (3). The screw (4) is threaded to the end of the screw (4) through the second nut (18) located outside the first vertical steel plate (6).

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