Cantilever formwork structure

By forming a stable triangular structure between the cantilever beam and the wall, and using threaded connections and nuts for fixing, the problem of instability in cantilever formwork structures is solved, thus improving the stability and safety of cantilever formwork.

CN223724157UActive Publication Date: 2025-12-26SICHUAN FOURTH CONSTR CO LTD
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Patent Information

Application Number
CN202423280369.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing cantilevered formwork structures are subject to complex stresses when suspended in mid-air, making them prone to instability and posing safety hazards.

Method used

A stable triangular structure is formed by components such as screw sleeves, cables, fixing buckles, uprights and diagonal braces, and fixed by threaded connections and nuts to enhance the stability between the cantilever beam and the wall.

Benefits of technology

It improves the stability of cantilever formwork, reduces the risk of instability, and enhances safety.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223724157U_ABST
    Figure CN223724157U_ABST
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Abstract

The utility model discloses an overhanging formwork structure which comprises a wall body, the top of the wall body is integrally connected with a roof, the top of the roof is fixedly connected with an overhanging beam, a fixing frame is installed on the outer side of the overhanging beam, one side of the top of the overhanging beam is connected with a screw sleeve in a penetrating and threaded mode, and one end of the screw sleeve is fixedly connected with an inhaul cable. One side of the top of the cantilever beam is fixedly connected with an inhaul cable, one end of the inhaul cable is fixedly connected with a fixing buckle, the other side of the top of the cantilever beam is fixedly connected with a formwork supporting plate and a mounting plate through screws, a vertical rod is welded to the top of the mounting plate, one side of the wall body is fixedly connected with an expansion bolt, and the outer side of the expansion bolt is fixedly connected with a fixing plate. The cantilever beam, the wall body and the diagonal draw bar form a firm triangular structure, and meanwhile, the inhaul cable, the vertical rod and the cantilever beam form a second firm triangular structure, so that the stability of the cantilever formwork is improved, and the risk of instability of the cantilever formwork is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cantilever formwork technology field, concretely to a cantilever formwork structure. BACKGROUND

[0002] Cantilever structure is one of common structural forms in engineering structure, such as awning, eave, external balcony, veranda etc. in building engineering, this structure is from the main structure cantilever beam or board, forms cantilever structure, and its essence is still beam plate structure.

[0003] The prior art patent document with the announcement number CN221422644U provides a cantilever formwork structure, which comprises: a first I-steel, the first I-steel is cantilevered on the upper floor ground and is arranged at intervals; the first I-steel is detachably connected with the upper floor ground; a second I-steel, the upper end of the second I-steel is connected with the suspended part of the first I-steel, and the lower end of the second I-steel is supported on the lower floor ground; a square tube, the square tube is installed on the lower floor ground, the upper surface of the square tube is connected with the lower end of the second I-steel, and the square tube is connected with the lower floor ground and / or a shear wall; a connecting assembly, the square tube and the lower floor are detachably connected through the connecting assembly. The first I-steel and the second I-steel of the utility model adopt a detachable connection mode, and the construction efficiency is high. The second I-steel is stably fixed on the lower floor through the square tube and the connecting assembly, which significantly improves the fixing effect of the second I-steel, thereby improving the safety.

[0004] However, the existing cantilever formwork structure has the following problems in the process of use: since the cantilever formwork structure is a structure protruding outside the building, and after installation, the cantilever beam is suspended in the air, and the cantilever beam is only supported by a diagonal rod, the stress condition of the cantilever formwork is relatively complex, not only bearing the dead load of concrete, formwork, steel bars, etc., but also bearing the personnel, equipment and wind load during construction, etc., which increases the risk of instability of the cantilever formwork, and makes the cantilever formwork unstable, therefore, we propose a cantilever formwork structure. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a cantilever formwork structure to solve the problems in the above background art.

[0007] (II) Technical scheme

[0008] In order to achieve the above object, the utility model discloses the following technical scheme to realize: a kind of cantilever formwork structure, including wall, the top of the wall integrally connected with roof, the top of the roof is fixedly connected with cantilever beam, the outside of the cantilever beam is equipped with fixed frame, the top one side of the cantilever beam is penetrated with screw rod sleeve, one end of the screw rod sleeve is fixedly connected with cable, one end of the cable is fixedly connected with fixed buckle, the top other side of the cantilever beam is fixedly connected with formwork plate and mounting plate respectively by screw, the top of the mounting plate is welded with vertical rod, one side of the wall is fixedly connected with expansion bolt, the outside of the expansion bolt is fixedly connected with fixed plate.

[0009] Preferably, the both ends of the fixed frame are movably connected with fixed strips, and the both ends of the fixed frame are threadedly connected with fixed nuts.

[0010] Preferably, the fixed plate is welded with a cable-stayed rod on one side, and the cable-stayed rod is fixedly connected with a connecting plate on one side.

[0011] Preferably, the connecting plate is fixedly connected with the bottom of the cantilever beam through the fixed bolts.

[0012] Preferably, the cantilever beam is made of metal material, and the outer surface of the cantilever beam is smooth.

[0013] Preferably, the cable is made of steel wire and penetrates one side of the vertical rod.

[0014] Preferably, the fixed frame is in U-shaped structure, and the fixed frame penetrates the roof on the outside of the cantilever beam.

[0015] (Three) beneficial effects

[0016] The utility model provides a kind of cantilever formwork structure, with following beneficial effects:

[0017] (1), the cantilever formwork structure, through the setting screw sleeve, cable, fixed buckle and vertical rod, when installing cantilever formwork structure, the staff places cantilever beam on the roof, then uses the fixed frame to be fixed outside the cantilever beam, and installs the fixed strip on the fixed frame, then uses the fixed nut to fix, the cantilever beam can be installed, then the inclined pull rod is located between the cantilever beam and the wall, and the expansion bolt is fixed on the fixed plate, and the connecting plate is fixed on the bottom of the cantilever beam by using the fixed bolt, so that the cantilever beam and the wall and the inclined pull rod form a firm triangular structure, then the mounting plate under the vertical rod is fixed on the top of the cantilever beam by using the screw, and the cable is fixed on one end of the screw sleeve, so that the screw sleeve and the cantilever beam are screwed together, then the screw sleeve is rotated, the screw sleeve straightens the cable, the cable pulls the vertical rod and exerts a pulling force on the cantilever beam, and the cable, the vertical rod and the cantilever beam form a second firm triangular structure, so that the stability of the cantilever formwork is improved, and the risk of instability of the cantilever formwork is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the partial structure schematic diagram of the cantilever beam of the utility model;

[0020] Figure 3 It is the sectional view of the fixed frame of the utility model;

[0021] Figure 4 It is the partial structure schematic diagram of the fixed frame of the utility model.

[0022] In the drawing: 1, wall; 2, roof; 3, cantilever beam; 4, screw sleeve; 5, cable; 6, fixed buckle; 7, fixed frame; 701, fixed strip; 702, fixed nut; 8, formwork plate; 9, inclined pull rod; 10, connecting plate; 11, fixed plate; 1001, fixed bolt; 12, expansion bolt; 13, mounting plate; 14, vertical rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, apparently, 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 skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1-4The utility model provides a technical scheme: a cantilever formwork support structure, including wall body 1, the top integral type connection of wall body 1 has roof 2, the top fixed connection of roof 2 has cantilever beam 3, the outside installation of cantilever beam 3 has fixed frame 7, the top one side of cantilever beam 3 is penetrated and is connected with screw rod sleeve 4, one end fixed connection of screw rod sleeve 4 has cable 5, one end fixed connection of cable 5 has fixed buckle 6, the top other side of cantilever beam 3 is fixedly connected with formwork plate 8 and mounting plate 13 respectively through screw, the top welding of mounting plate 13 has riser 14, one side fixed connection of wall body 1 has expansion bolt 12, the outside fixed connection of expansion bolt 12 has fixed plate 11.

[0025] In the embodiment, specifically, the both ends of the fixed frame 7 are externally connected with the fixed strips 701 through the movable connection, and the both ends of the fixed frame 7 are threadedly connected with the fixed nuts 702. The cantilever beam 3 is placed on the roof 2, and then the fixed frame 7 is fixed to the outside of the cantilever beam 3, the fixed strips 701 are installed on the fixed frame 7, and then the cantilever beam 3 is fixed by using the fixed nuts 702.

[0026] In the embodiment, specifically, the fixed plate 11 is welded with the inclined pull rods 9 on one side, and the inclined pull rods 9 are fixedly connected with the connecting plates 10 on one side. The inclined pull rods 9 can play a supporting role, so that the cantilever beam 3, the wall body 1 and the inclined pull rods 9 form a firm triangular structure.

[0027] In the embodiment, specifically, the connecting plate 10 is fixedly connected with the bottom of the cantilever beam 3 through the fixed bolts 1001 penetrating the four corners on one side of the connecting plate 10, so that the connecting plate 10 and the cantilever beam 3 can be firmly fixed.

[0028] In the embodiment, specifically, the cantilever beam 3 is made of metal material, and the outer surface of the cantilever beam 3 is smooth. The cantilever beam 3 made of metal material is more firm and durable, and is not easy to be damaged.

[0029] In the embodiment, specifically, the cable 5 penetrates one side of the riser 14, and the cable 5 is made of steel wire. The cable 5 is fixed to one end of the screw rod sleeve 4, so that the screw rod sleeve 4 is threadedly connected with the cantilever beam 3. Then the screw rod sleeve 4 is rotated to straighten the cable 5, so that the cable 5 pulls the riser 14 and applies tension on the cantilever beam 3. At the same time, the cable 5, the riser 14 and the cantilever beam 3 form a second firm triangular structure, thereby playing a role of increasing stability.

[0030] In the embodiment, specifically, the fixed frame 7 is in U-shaped structure, the fixed frame 7 is externally penetrated in the roof 2 and located on the outside of the cantilever beam 3. The fixed frame 7 is fixed to the outside of the cantilever beam 3 and penetrates the roof 2. The fixed strips 701 are installed on the fixed frame 7, and then the cantilever beam 3 is fixed by using the fixed nuts 702.

[0031] Working principle: after the installation of the utility model, first check the installation and safety protection of the utility model, when installing the cantilever formwork structure, the staff places the cantilever beam 3 on the roof 2, then uses the fixing frame 7 to fix the outside of the cantilever beam 3, and installs the fixing strip 701 on the fixing frame 7, then uses the fixing nut 702 to fix, and the cantilever beam 3 can be installed, then the stay rod 9 is located between the cantilever beam 3 and the wall body 1, the expansion bolt 12 is fixed on the fixed plate 11, the connecting plate 10 is fixed on the bottom of the cantilever beam 3 by using the fixing bolt 1001, the cantilever beam 3, the wall body 1 and the stay rod 9 form a firm triangular structure, then the mounting plate 13 under the vertical rod 14 is fixed on the top of the cantilever beam 3 by using the screw, the inhaul cable 5 is fixed on one end of the screw sleeve 4, the screw sleeve 4 is screwed with the cantilever beam 3, then the screw sleeve 4 is rotated, the screw sleeve 4 straightens the inhaul cable 5, the inhaul cable 5 pulls the vertical rod 14 and applies tension on the cantilever beam 3, at the same time, the inhaul cable 5, the vertical rod 14 and the cantilever beam 3 form a second firm triangular structure, thus the use process of the utility model is completed, the utility model has the advantages of simple structure, safe and convenient use.

[0032] 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 modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

[0033] In the utility model, unless otherwise explicitly specified and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated, can be mechanical connection, or electrical connection or communication with each other, can be directly connected, or indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application 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 specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A cantilever formwork structure comprising a wall (1) characterised in that: The top of the wall body (1) is integrally connected with a roof (2), the top of the roof (2) is fixedly connected with a cantilever beam (3), the outer side of the cantilever beam (3) is provided with a fixing frame (7), one side of the top of the cantilever beam (3) is penetrated and threadedly connected with a screw sleeve (4), one end of the screw sleeve (4) is fixedly connected with a cable (5), one end of the cable (5) is fixedly connected with a fixing buckle (6), the other side of the top of the cantilever beam (3) is fixedly connected with a form supporting plate (8) and a mounting plate (13) through screws respectively, the top of the mounting plate (13) is welded with a vertical rod (14), one side of the wall body (1) is fixedly connected with an expansion bolt (12), the outer side of the expansion bolt (12) is fixedly connected with a fixing plate (11).

2. The cantilever formwork structure of claim 1, wherein: The outer sides of the two ends of the fixing frame (7) are penetrated and movably connected with fixing strips (701), and the two ends of the fixing frame (7) are both threadedly connected with fixing nuts (702).

3. The overhanging formwork structure of claim 1, wherein: The fixing plate (11) is welded with a cable-stayed rod (9) on one side, and the cable-stayed rod (9) is fixedly connected with a connecting plate (10) on one side.

4. The cantilever formwork structure of claim 3, wherein: The connecting plate (10) is penetrated with fixing bolts (1001) at four corners on one side, and the connecting plate (10) is fixedly connected with the bottom of the cantilever beam (3) through the fixing bolts (1001).

5. The overhanging formwork structure of claim 1, wherein: The cantilever beam (3) is processed from a metal material, and the outer surface of the cantilever beam (3) is smooth.

6. The overhanging formwork structure of claim 1, wherein: The cable (5) penetrates one side of the vertical rod (14), and the cable (5) is processed from a steel wire.

7. The overhanging formwork structure of claim 1, wherein: The fixing frame (7) is in a U-shaped structure, and the fixing frame (7) is located on the outer side of the cantilever beam (3) and penetrates the roof (2).

Citation Information

Patent Citations

  • Cantilever formwork structure

    CN221422644U