Profile steel cantilever scaffold
The combination of sleeve and locking device solves the problem of precise length adjustment of steel cantilever scaffolding, and realizes stable fixation and flexible adjustment of extension rods in the sleeve, thereby improving construction efficiency and safety.
Patent Information
- Application Number
- CN202422262340.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-09-14
AI Technical Summary
Existing steel cantilever scaffolding can only increase or decrease the length of the extension plate in fixed distances, which cannot achieve finer length adjustments and cannot meet the needs of precise control.
It adopts a combination structure of sleeve, extension rod and locking element. Through the knob and convergence ring design of the locking element, the extension rod can be stably fixed in the sleeve and adjusted to any position. The friction between the locking plate and the extension rod can be used for precise length adjustment.
It achieves stable fixation of the extension rod within the sleeve, preventing loosening, and allows for adjustment at any position to meet the length requirements of different working scenarios, thereby improving construction efficiency and safety.
Smart Images

Figure CN223634315U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building, concretely is a kind of shaped steel cantilever scaffold. BACKGROUND
[0002] Shaped steel cantilever scaffold refers to the cantilever beam made of shaped steel as supporting structure, which suspends the scaffold system outside the main structure of the building. This scaffold is mainly used to share the weight of the upper frame and the construction load, to ensure the stability and safety during construction.
[0003] Chinese patent publication number: CN211899564U, a telescopic shaped steel cantilever scaffold, the technical solution is that, including main body plate and extension plate, the main body plate is fixed on the embedded part of wall, the extension plate is movably arranged on the main body plate, the extension plate is provided with a fixing assembly, the main body plate is provided with a matching fixing assembly, the fixing assembly is connected with the inclined support rod through the fixed slot, the support rod tail end is movably connected on the embedded part of wall.
[0004] The applicant found that the above-mentioned patent still has certain technical defects, for example, when adjusting the length of the extension plate, the T-shaped block needs to be pulled out from the inside of the fixed slot, and the distance of the extension plate is determined by selecting the position of the last fixed slot. The distance between adjacent T-shaped blocks is consistent, and only one or more blocks can be moved during movement. Since the distance between adjacent T-shaped blocks is fixed, the length adjustment of the extension plate can only be increased or decreased by this fixed distance, which cannot achieve more subtle length adjustment, resulting in that in some application scenarios requiring precise length control, the precision requirement cannot be met. Utility model content
[0005] In view of the deficiencies of the prior art, the utility model provides a shaped steel cantilever scaffold, which solves the problem that the length adjustment of the extension plate can only be increased or decreased by this fixed distance, and cannot achieve more subtle length adjustment.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a shaped steel cantilever scaffold, comprising at least two embedded parts, at least two sleeves, at least two extension rods and at least two locking parts.
[0007] The at least two embedded parts are arranged on the wall in an up-down interval, the at least two sleeves are respectively assembled on the at least two embedded parts, the upper sleeve is fixedly connected with the upper embedded part, and the lower sleeve is hingedly connected with the lower embedded part through a hinge shaft.
[0008] The at least two extension rods are respectively slidably connected in the interior of the at least two sleeves.
[0009] An articulation seat is arranged at the end of the extension rod away from the sleeve, and a connecting block is arranged on the outside of the extension rod corresponding to the articulation seat, and the connecting block is connected to the artication seat by a bolt assembly;
[0010] At least two locking members are arranged on the outside of the at least two sleeves for locking the extension rod in the sleeve;
[0011] The locking member comprises a butt joint pipe, at least two locking pieces, a knob and a gathering ring;
[0012] The butt joint pipe is welded on the outside of the sleeve, the at least two locking pieces are integrally arranged at the front end of the butt joint pipe and are in close contact with the outer surface of the extension rod, the knob is threadedly connected to the outside of the butt joint pipe, and the gathering ring is integrally arranged at the front section of the knob and is sleeved on the outside of the at least two locking pieces.
[0013] Further, the at least two locking pieces are arranged in a ring shape on the front section of the butt joint pipe.
[0014] Further, the inside of the locking piece is arranged in an arc shape, and the locking piece is arranged to be inclined towards the extension rod.
[0015] Further, the outer diameter of the front section of the gathering ring is smaller than that of the rear end.
[0016] Further, the shape of the cross section of the front side of the butt joint pipe is isosceles hexagonal.
[0017] Further, the bolt assembly comprises a screw rod and a nut.
[0018] The screw rod is arranged in the inside of the articulation seat and the connecting block, and the nut is threadedly connected to the outside of the screw rod.
[0019] Compared with the prior art, the technical scheme has the following beneficial effects:
[0020] The steel cantilever scaffold can push the locking pieces to closely contact the outer surface of the extension rod by rotating the knob, significantly increase the friction between the two, thereby ensuring the stable fixation of the extension rod in the sleeve, preventing loosening caused by vibration or external force during use, and allowing the extension rod to freely slide to any position in the sleeve before being fixed, so that the user can easily adjust the length of the scaffold according to actual needs, and meet the needs of different working scenarios. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 The structure of the utility model is shown in the figure;
[0022] Figure 2The utility model discloses a locking piece structure schematic view.
[0023] Figure 3 The utility model discloses Figure 1 The structure amplification schematic view of A place in the middle.
[0024] In the drawing: 1, embedded part; 2, sleeve; 3, extension rod; 4, locking piece; 401, butt joint pipe; 402, locking piece; 403, knob; 404, gather ring; 5, gather ring; 6, connecting block; 7, bolt assembly; 701, screw rod; 702, nut. Specific implementation
[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.
[0026] Please refer to Figure 1 And 3 A type steel cantilever scaffold in the embodiment is used for adjusting the length of the scaffold according to the demand to be suitable for the use in different scenes.
[0027] Specifically, at least two embedded parts 1 and at least two sleeves 2, at least two extension rods 3 and at least two locking pieces 4 are included.
[0028] The at least two embedded parts 1 are arranged on the wall in an up-down interval, the at least two sleeves 2 are respectively assembled on the at least two embedded parts 1, the upper sleeve 2 is fixedly connected with the upper embedded part 1, and the lower sleeve 2 is hingedly connected with the lower embedded part 1 through a hinge shaft; the at least two extension rods 3 are respectively and slidably connected in the at least two sleeves 2.
[0029] A hinge seat 5 is assembled at the end of the lower extension rod 3 away from the sleeve 2, a connecting block 6 is assembled on the outer side of the upper extension rod 3 corresponding to the hinge seat 5, the connecting block 6 is connected with the hinge seat 5 through a bolt assembly 7; and the at least two locking pieces 4 are respectively assembled on the outer sides of the at least two sleeves 2 to lock the extension rod 3 in the sleeve 2.
[0030] In the actual use process, the use length of the scaffold is adjusted by adjusting the position of the extension rod 3 in the sleeve 2, so that the construction demand of different lengths is flexibly adapted, the construction efficiency and flexibility are improved, the extension rod 3 can be firmly locked in the sleeve 2 by assembling the locking piece 4 on the outer side of the sleeve 2, sliding or loosening in the use process is prevented, and the safety and stability of the scaffold are ensured.
[0031] In addition, the lower extension rod 3 is connected with the connecting block 6 outside the upper extension rod 3 through the hinge seat 5 and is fastened through the bolt assembly, thereby ensuring the stable connection between the two extension rods 3 and allowing the adjustment of the upper and lower extension rods 3 within a certain angle range to adapt to different construction environments.
[0032] Specifically, during the adjustment, the bolt assembly 7 can be taken out from the inside of the hinge seat 5 and the connecting block 6, and after the upper extension rod 3 is moved to the required length, the bolt assembly 7 is inserted into the inside of the hinge seat 5 and the connecting block 6 again, and then the two locking pieces 4 are operated to fix the two extension rods 3 in the two sleeves 2 respectively, while supporting the upper extension rod 3.
[0033] Please refer to Figure 1 and 2 In order to stably fix the extension rod 3 at any position in the sleeve 2 and realize the adjustment of the scaffold of different lengths, the locking piece 4 in the embodiment comprises a butt joint pipe 401, at least two locking pieces 402, a knob 403 and a gathering ring 404; the butt joint pipe 401 is welded outside the sleeve 2, the at least two locking pieces 402 are integrally formed at the front end of the butt joint pipe 401 and are in close contact with the outer surface of the extension rod 3, the knob 403 is threadedly connected outside the butt joint pipe 401, and the gathering ring 404 is integrally formed at the front section of the knob 403 and is sleeved outside the at least two locking pieces 402, and the outer diameter of the front section of the gathering ring 404 is smaller than that of the rear end.
[0034] During actual use, the extension rod 3 is inserted into the inside of the locking piece 402, the gathering ring 404 is moved backward by rotating the knob 403, the gathering ring 404 compresses the plurality of locking pieces 402 during the movement, so that the locking pieces 402 are in close contact with the outside of the extension rod 3, and the length between the extension rod 3 and the sleeve 2 is fixed by increasing the friction between the locking piece 402 and the extension rod 3.
[0035] During actual setting, the knob 403 is rotated to make the gathering ring 404 push the locking piece 402 to closely contact the outer surface of the extension rod 3, thereby significantly increasing the friction therebetween, so as to ensure the stable fixation of the extension rod 3 in the sleeve 2 and prevent loosening caused by vibration or external force during use. In addition, the design of the locking piece 402 allows the extension rod 3 to freely slide to any position in the sleeve 2 and then be fixed, so that the user can easily adjust the length of the scaffold according to actual needs to meet the needs of different working scenarios.
[0036] Preferably, the locking pieces 402 in the embodiment are six, and are arranged in a ring on the front section of the connecting pipe 401, and in addition, in order to adapt to the shape of the outer surface of the extension rod 3, the inner side of the locking pieces 402 in the embodiment is arc-shaped, and the locking pieces 402 are arranged obliquely towards the extension rod 3.
[0037] In actual arrangement, the six locking pieces 402 are arranged in a ring, so that the extension rod 3 can be supported and fixed more evenly when subjected to force, and local deformation or damage caused by excessive force on a single point is avoided, and the overall stability and durability are improved, and in addition, the arc-shaped design of the inner side of the locking pieces 402 adapts to the shape of the outer surface of the extension rod 3, and more closely fits, which not only increases the friction and improves the locking effect, but also reduces the risk of loosening caused by excessive gap.
[0038] Further, in order to facilitate rotation of the connecting pipe 401, the front side of the connecting pipe 401 in the embodiment is in the shape of an isosceles hexagon.
[0039] In actual arrangement, the isosceles hexagonal shape facilitates rotation operation using tools such as wrenches, pliers and the like.
[0040] In detail, the bolt assembly 7 in the embodiment includes a screw rod 701 and a nut 702; the screw rod 701 is arranged through the inside of the hinge seat 5 and the connecting block 6, and the nut 702 is threadedly connected to the outside of the screw rod 701.
[0041] In actual use, the screw rod 701 is inserted into the inside of the hinge seat 5 and the connecting block 6, and then the nut 702 is threadedly connected to the outside of the screw rod 701, so as to realize rotation connection of the hinge seat 5 and the connecting block 6.
[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A steel tubular cantilevered scaffold characterised in that: The utility model provides a kind of wall expansion joint, including at least two embedded parts (1) and at least two sleeves (2), at least two extension rods (3) and at least two locking parts (4); At least two of the embedded parts (1) are arranged on the wall in an upper and lower spaced manner, and at least two of the sleeves (2) are respectively assembled on the at least two embedded parts (1). The upper sleeve (2) is fixedly connected with the upper embedded part (1), and the lower sleeve (2) is hingedly connected with the lower embedded part (1) through a hinge shaft. At least two of the extension rods (3) are respectively and slidably connected inside the at least two sleeves (2). A hinge seat (5) is assembled at the end of the lower extension rod (3) away from the sleeve (2), and a connecting block (6) is assembled on the outside of the upper extension rod (3) corresponding to the hinge seat (5). The connecting block (6) is connected with the hinge seat (5) through a bolt assembly (7). At least two of the locking parts (4) are respectively assembled on the outside of the at least two sleeves (2) for locking the extension rod (3) inside the sleeve (2). The locking part (4) includes a butt joint pipe (401), at least two locking pieces (402), a knob (403) and a gathering ring (404). The butt joint pipe (401) is welded on the outside of the sleeve (2), the at least two locking pieces (402) are integrally formed on the front end of the butt joint pipe (401) and are in close contact with the outer surface of the extension rod (3), the knob (403) is threadedly connected on the outside of the butt joint pipe (401), and the gathering ring (404) is integrally formed on the front section of the knob (403) and is sleeved on the outside of the at least two locking pieces (402).
2. A steel tubular cantilevered scaffolding according to claim 1, wherein: The at least two locking pieces (402) are arranged in a ring shape on the front section of the butt joint pipe (401).
3. A steel tubular cantilevered scaffolding according to claim 1, wherein: The inner side of the locking piece (402) is arranged in an arc shape, and the locking piece (402) is inclined towards the extension rod (3).
4. A steel tubular cantilevered scaffolding according to claim 1, wherein: The outer diameter of the front section of the gathering ring (404) is smaller than that of the rear end.
5. A steel tubular cantilevered scaffolding according to claim 1, wherein: The shape of the cross section of the front side of the butt joint pipe (401) is isosceles hexagonal.
6. A steel tubular cantilevered scaffolding according to claim 1, wherein: The bolt assembly (7) includes a screw rod (701) and a nut (702). The screw rod (701) is arranged inside the hinge seat (5) and the connecting block (6), and the nut (702) is threadedly connected on the outside of the screw rod (701).
Citation Information
Patent Citations
Profile steel cantilever scaffold
CN211899564U