Cantilever flower frame beam formwork structure based on high-altitude corridor
By introducing a strong support mechanism and anti-slip device consisting of I-beam secondary beams, main beams, and diagonal braces into the formwork structure of the cantilevered trellis beam in the high-altitude corridor, the problems of large deflection and instability of the cantilevered trellis beam formwork structure were solved, achieving a more stable and economical construction effect and expanding the scope of application.
Patent Information
- Application Number
- CN202520082459.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-14
AI Technical Summary
The existing cantilevered truss beam formwork structure based on high-altitude connecting corridors has problems such as large deflection deformation, instability, and large amount of cantilevered steel beams.
The system employs a cantilever structure and external support poles that also serve as protective supports. It combines a strong support mechanism with secondary beams, main beams, and diagonal braces. Anti-slip mechanisms and limiting channel steel are installed. The diagonal braces of the I-beams are arranged in a sloping manner and connected with limiting bolts to avoid inconvenient construction methods such as overhead welding and ensure the safety and reliability of the support system.
It improves the stability and load-bearing capacity of the supporting structure, reduces the difficulty of installing secondary beams at high altitudes, lowers construction costs, and can be used for decoration work after the cantilevered concrete structure formwork is removed, thus expanding its application scope.
Smart Images
Figure CN223738980U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cantilevered flower frame beam formwork technology field, concretely to a cantilevered flower frame beam formwork structure based on high altitude corridor. BACKGROUND
[0002] In high-rise residential engineering, in order to meet the building fire prevention and evacuation requirements, outdoor fire corridor is often designed to realize the passage connection of different unit staircases, and there is a certain distance between the fire corridor and the building outer wall. At the same time, the coordination between the building and the surrounding environment, the beauty of the building itself are considered, and the concrete flower frame beam structure of the outer cantilever is often designed above the roof. Because the cantilever structure is high from the ground, it is difficult to realize the erection of formwork support from the ground. There are two common high-altitude formwork construction methods. One is the method of cantilevered inclined steel wire rope, and the other is the method of directly cantilevering when the overhanging length of the cantilever structure is not large. At present, there are various cantilevered flower frame beam formwork structures based on high-altitude corridor in the market, but there are still some shortcomings.
[0003] In actual use, the cantilevered flower frame beam formwork structure based on high-altitude corridor has the problems of large deflection deformation, instability and large amount of cantilevered steel beams. Therefore, the cantilevered flower frame beam formwork structure based on high-altitude corridor is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a cantilevered flower frame beam formwork structure based on high-altitude corridor to solve the problems of large deflection deformation, instability and large amount of cantilevered steel beams of the current cantilevered flower frame beam formwork structure based on high-altitude corridor.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a cantilevered flower frame beam formwork structure based on high-altitude corridor, comprising:
[0006] The cantilever structure is provided with a support peripheral stand and protection on the front side;
[0007] Further comprising:
[0008] The lower side of the support peripheral stand and protection is provided with a strong support mechanism, wherein the strong support mechanism comprises a I-beam secondary beam, a I-beam main beam, a I-beam inclined strut, a cantilevered layer corridor, a cantilevered layer floor and a lower layer corridor, the I-beam secondary beam is installed below the support peripheral stand and protection, the I-beam main beam is arranged at equal distances below the I-beam secondary beam, and the I-beam inclined strut is arranged at equal distances below the I-beam main beam;
[0009] The intersection of the I-beam main beam and the I-beam inclined support is provided with an anti-sliding mechanism, wherein the anti-sliding mechanism comprises a limiting channel steel, a first perforated connecting plate, a U-shaped bolt, a cantilevered layer corridor and an anti-falling channel steel, the I-beam inclined support is arranged in a slope manner below the I-beam main beam, the first perforated connecting plate is symmetrically welded and arranged on the upper side of the I-beam inclined support, and the upper side of the first perforated connecting plate is closely combined with the lower side of the I-beam main beam.
[0010] Preferably, the U-shaped bolt is arranged in the first perforated connecting plate, and the second perforated connecting plate is connected to the outer side of the upper side of the U-shaped bolt.
[0011] Preferably, the second perforated connecting plate is fixedly arranged on the upper side of the I-beam main beam.
[0012] Preferably, the limiting channel steel is arranged on the front side of the upper side of the I-beam inclined support, and the I-beam main beam is fixedly connected to the upper side of the limiting channel steel.
[0013] Preferably, the cantilevered layer corridor is arranged on the rear side of the lower side of the I-beam main beam, and the anti-falling channel steel is arranged at the intersection of the I-beam main beam and the cantilevered layer corridor.
[0014] Preferably, the cantilevered layer floor is fixedly connected to the lower end of the rear end of the I-beam main beam.
[0015] Preferably, the thick steel plate embedded part is welded to the lower side of the I-beam inclined support, and the thick steel plate embedded part is fixedly arranged on the upper side of the lower layer corridor.
[0016] Compared with the prior art, the beneficial effects of the utility model are that: the cantilevered flower rack beam formwork structure based on the high-altitude corridor, by setting the anti-sliding mechanism, the anti-sliding device is welded to the outer side of the intersection of the steel inclined support and the steel main beam, the connection between them is more stable, convenient to disassemble and assemble, meanwhile, the strong support mechanism is arranged, the steel inclined support is arranged in a slope manner, the angle of the upward angle is not less than 45°, the bearing capacity is strengthened, in addition, the construction convenient mechanism is arranged, the node connection form is changed, the inconvenient construction modes such as the horizontal welding and the upward welding are avoided, the site welding is only the flat welding of the column foot, the construction is convenient, secondly, the anti-falling device is welded to the front end anchoring point position of the I-beam main beam, the horizontal component force generated when the inclined support rod is stressed is prevented, and the I-beam is prevented from sliding to the outer side;
[0017] 1. The setting has the cantilevered structure and the support outer peripheral vertical rod and is protected, through setting the support outer peripheral vertical rod and is protected in the front side of the cantilevered structure, the lower side of the support outer peripheral vertical rod and is protected is connected with the I-beam secondary beam, and the inner side of the support outer peripheral vertical rod and is protected is provided with the support vertical rod, and the setting of the support outer peripheral vertical rod and is protected can play the protection effect;
[0018] 2. The utility model provides a kind of steel secondary beam, steel girder and steel diagonal bracing, by equidistance being provided with steel girder under steel secondary beam, and equidistance being provided with steel diagonal bracing under steel girder, steel diagonal bracing is arranged in the form of slope, while the arrangement of steel secondary beam, steel girder and steel diagonal bracing is all in the form of I-shaped, general specification of steel secondary beam is 3m, 4.5m, 6m, 8m in field, to reduce the difficulty of high-altitude secondary beam installation, no longer weld into whole on the same line of steel secondary beam and secondary beam, and two or three steel girders are arranged under each steel secondary beam.Steel girder is arranged, and steel secondary beam is preferably extended out of steel girder at both ends, so that stress is more reasonable.Steel diagonal bracing is arranged, and the angle of elevation should be not less than 45 °, and preferably large, to give full play to the performance of support diagonal rod;
[0019] 3. Limiting channel steel, first hole connecting plate, U-shaped bolt and second hole connecting plate are arranged, the first hole connecting plate is welded and arranged on the outer side of steel diagonal bracing and steel girder, the U-shaped bolt is arranged in the first hole connecting plate, the second hole connecting plate is fixedly connected to the upper side of steel girder, so that steel girder and steel diagonal bracing are fixedly connected together, and the distance between steel girders is increased, the amount of suspended operation is reduced, and the safety is more guaranteed.
[0020] 4. The node connection form is changed, and the construction is facilitated by avoiding the inconvenient construction methods such as horizontal welding and vertical welding.
[0021] 5. The technology is widely used and economical, and the external scaffold is difficult to set up during later decoration construction, and the installation of hanging basket is not always possible. After the removal of the formwork of the cantilever concrete structure, the formwork support and support platform can be retained, the footboard is laid on the top of the cantilever support, and the decoration work is carried out on the cantilever part, so as to serve as a work and protection frame. Therefore, the technology can be widely used in structural construction and decoration construction, and has a wide application range. DETAILED DESCRIPTION
[0022] Figure 1 It is a perspective structure schematic diagram of the utility model;
[0023] Figure 2 It is a perspective structure schematic diagram of the utility model; Figure 1 It is an enlarged structure schematic diagram of A in the utility model;
[0024] Figure 3 It is a lower corridor and a connecting perspective structure schematic diagram of the utility model;
[0025] Figure 4 Figure is the perspective structure schematic view of the I-beam secondary beam, U-shaped bolt and the second hole connecting plate connection of the utility model;
[0026] Figure 5 Figure is the perspective structure schematic view of the limiting channel steel, the first hole connecting plate and the U-shaped bolt connection of the utility model;
[0027] Figure 6 Figure is the perspective structure schematic view of the cantilever structure, the support outer vertical rod and the I-beam secondary beam connection of the utility model.
[0028] In the drawing: 1, cantilever structure;2, support outer vertical rod and protection;3, I-beam secondary beam;4, I-beam main beam;5, I-beam inclined strut;6, limiting channel steel;7, first hole connecting plate;8, U-shaped bolt;9, second hole connecting plate;10, cantilever layer corridor;11, cantilever layer floor;12, lower layer corridor;13, anti-drop channel steel;14, thick steel plate embedded part. DETAILED DESCRIPTION
[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, 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 ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0030] Please refer to Figures 1-6 The utility model provides a kind of technical scheme:
[0031] Example 1: In order to solve the problems existing in the prior art, therefore, the embodiment solves the problems by the following technical scheme, a cantilevered scaffold beam formwork structure based on high-altitude corridor, provided with a cantilever structure 1; an anti-slip mechanism, provided at the intersection of the I-beam main beam 4 and the I-beam inclined brace 5 and the intersection of the I-beam main beam 4 and the cantilevered layer corridor 10, the anti-slip groove steel 13 can ensure the safety and reliability of the entire support system; a strong support mechanism, the overall structure is provided, the I-beam main beam 4 is provided below the I-beam secondary beam 3 at equal intervals, and the I-beam inclined brace 5 is provided below the I-beam main beam 4 at equal intervals, the I-beam inclined brace 5 is provided in a slope shape, and the I-beam secondary beam 3, the I-beam main beam 4 and the I-beam inclined brace 5 are all provided in an I shape, which can reduce the difficulty of high-altitude secondary beam installation and make the stress more reasonable and strengthen the bearing capacity; a convenient construction mechanism, the overall node connection of the structure is provided, which avoids the inconvenient construction methods such as down welding and up welding; first, the support peripheral vertical rod and protection 2 is provided below the cantilever structure 1, the support peripheral vertical rod and protection 2 is connected with the I-beam secondary beam 3 below, the support peripheral vertical rod and protection 2 can play a protection and support connection role, in addition, the I-beam main beam 4 is provided below the I-beam secondary beam 3 at equal intervals, the I-beam inclined brace 5 is provided below the I-beam main beam 4, the I-beam inclined brace 5 is provided in a slope shape, and the first hole connecting plate 7 is welded and provided on the left and right sides above the I-beam inclined brace 5, the U-shaped bolt 8 is provided inside the first hole connecting plate 7 for limiting, and the U-shaped bolt 8 is also connected with the second hole connecting plate 9 provided above the I-beam main beam 4, secondly, the limiting channel steel 6 is provided on the front side above the I-beam inclined brace 5, the upper side of the limiting channel steel 6 is fixedly connected with the I-beam main beam 4, that is, the limiting channel steel 6, the first hole connecting plate 7, the U-shaped bolt 8 and the second hole connecting plate 9 are provided, so that the I-beam main beam 4 and the I-beam inclined brace 5 are firmly installed together, secondly, the cantilevered layer floor 11 is connected below and on the rear side of the I-beam main beam 4, in addition, the cantilevered layer corridor 10 is also connected below and on the rear side of the I-beam main beam 4, the anti-slip groove steel 13 is provided at the intersection of the cantilevered layer corridor 10 and the I-beam main beam 4 for welding and fixing, and the I-beam inclined brace 5 is welded and connected with the thick steel plate embedded part 14 provided inside the lower layer corridor 12 below, that is, the anti-slip and anti-slip structure measures are taken to ensure the safety and reliability of the entire support system. Increase the distance between the main beams, reduce the amount of suspended work, and ensure safety, and change the node connection form to avoid inconvenient construction methods such as down welding and up welding, making construction more convenient, secondly, after the cantilevered concrete structure formwork is removed, the formwork support and support platform can be retained, the footboard is laid on the top of the cantilevered support, the cantilevered part is decorated and worked, and the work and protection frame are used. Therefore, the technology can be widely applied to structural construction and decoration construction stages, has a wide application range, and can be reasonably designed within the scope allowed by relevant specifications, the distance between the main beams is increased, the construction cost is reduced, and good economic benefits are obtained.
[0032] The existing cantilever scaffold beam formwork structure has the problem of large deflection deformation in the existing cantilever mode. Therefore, the embodiment is shown in the following technical solutions, such as Figure 1 、 Figure 5 and Figure 6 , the strong support mechanism includes the I-beam secondary beam 3 arranged below the support outer vertical rod and protection 2, the I-beam main beam 4 is arranged below the I-beam secondary beam 3 at equal intervals, and the I-beam inclined strut 5 is arranged below the I-beam main beam 4 at equal intervals. The I-beam secondary beam 3, the I-beam main beam 4 and the I-beam inclined strut 5 are arranged in an I shape, which can reduce the difficulty of high-altitude secondary beam installation. The I-beam secondary beam 3 and the secondary beam are no longer welded as a whole. Two or three I-beam main beams 4 are arranged below each I-beam secondary beam 3. When the I-beam main beam 4 is arranged, the I-beam secondary beam 3 is extended out of the I-beam main beam 4 at both ends to make the stress more reasonable. When the I-beam inclined strut 5 is arranged, the elevation angle should be not less than 45°, and should be as large as possible to fully exert the performance of the support inclined strut.
[0033] Embodiment 2: The existing cantilever scaffold beam formwork structure has the problem of unstable connection in the existing cantilever mode. Therefore, the embodiment is shown in the following technical solutions, such as Figure 1 、 Figure 2 and Figure 5 , the anti-slip mechanism includes the I-beam inclined strut 5 arranged below the I-beam main beam 4. The first hole connecting plate 7 is welded on the upper outer side of the I-beam inclined strut 5. The U-shaped bolt 8 is arranged in the first hole connecting plate 7 for limiting. The U-shaped bolt 8 is fixedly connected with the second hole connecting plate 9 arranged on the upper side of the I-beam main beam 4, so that the I-beam main beam 4 and the I-beam inclined strut 5 are fixedly connected together. In addition, the anti-slip groove steel 13 is arranged between the I-beam main beam 4 and the cantilever layer corridor 10. Through strict theoretical verification, the anti-slip and anti-slip structure measures are taken during construction to ensure the safety and reliability of the whole support system.
[0034] Embodiment 3: The existing cantilever scaffold beam formwork structure has the problem of difficult construction by using the welding methods of horizontal welding and vertical welding. Therefore, the embodiment is shown in the following technical solutions, such as Figure 3 、 Figure 4 and Figure 5 , the construction convenient mechanism includes the node connection of the overall structure, changes the node connection form, and the horizontal welding of the column foot is only used for site welding, which is convenient for construction.
[0035] The content not described in detail in the specification belongs to the prior art known to those skilled in the art, the standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A high-altitude gallery-based cantilever scaffolding structure, comprising: a cantilever structure (1) provided with a support peripheral upright and protection (2) below; characterized in that it further comprises: a strong support mechanism provided below the support peripheral upright and protection (2), wherein the strong support mechanism comprises an I-beam secondary beam (3), an I-beam main beam (4), an I-beam diagonal brace (5), a cantilever layer corridor (10), a cantilever layer floor (11), and a lower layer corridor (12), the I-beam secondary beam (3) is installed below the support peripheral upright and protection (2), the I-beam main beam (4) is provided below the I-beam secondary beam (3) at equal distances, and the I-beam diagonal brace (5) is provided below the I-beam main beam (4) at equal distances; a anti-slip mechanism provided at the intersection of the I-beam main beam (4) and the I-beam diagonal brace (5), wherein the anti-slip mechanism comprises a limiting channel steel (6), a first perforated connecting plate (7), a U-shaped bolt (8), the cantilever layer corridor (10), and an anti-disengagement channel steel (13), the I-beam diagonal brace (5) is provided below the I-beam main beam (4) in a slope manner, the first perforated connecting plate (7) is symmetrically welded and installed on the upper side of the I-beam diagonal brace (5), and the first perforated connecting plate (7) is tightly fitted with the lower side of the I-beam main beam (4).
2. The cantilevered scaffolding beam formwork structure based on the high-level corridor according to claim 1, characterized in that: A U-shaped bolt (8) is installed inside the first perforated connecting plate (7), and a second perforated connecting plate (9) is connected to the upper side of the U-shaped bolt (8).
3. The cantilevered scaffolding beam formwork structure based on the high-level corridor according to claim 2, characterized in that: The second perforated connecting plate (9) is fixedly provided above the I-beam main beam (4).
4. The cantilevered balcony-based overhanging balcony beam formwork structure according to claim 1, characterized in that: A limiting channel steel (6) is provided on the front side of the upper side of the I-beam diagonal brace (5), and the I-beam main beam (4) is fixedly connected to the upper side of the limiting channel steel (6).
5. The cantilevered balcony-based overhanging balcony beam formwork structure according to claim 3, characterized in that: A cantilever layer corridor (10) is installed on the rear side of the lower side of the I-beam main beam (4), and an anti-disengagement channel steel (13) is provided at the intersection of the I-beam main beam (4) and the cantilever layer corridor (10).
6. The cantilevered balcony-based overhanging balcony beam formwork structure according to claim 5, characterized in that: A cantilever layer floor (11) is fixedly connected to the lower end of the I-beam main beam (4).
7. The cantilevered balcony-based overhanging balcony beam formwork structure according to claim 4, characterized in that: A thick steel plate embedded part (14) is welded to the lower side of the I-beam diagonal brace (5), and the thick steel plate embedded part (14) is fixedly provided above the lower layer corridor (12).