Convenient and fast dismantling device for cast-in-place beam formwork

By designing a convenient removal device for cast-in-place beam formwork including a single-sided bracket, connecting system assembly and clamping mechanism, the problems of low formwork removal efficiency and damage to flange plates in the prior art are solved, and efficient and safe formwork removal is achieved.

CN222976414UActive Publication Date: 2025-06-13CHINA RAILWAY EIGHTH BUREAU GROUP SECOND ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202421890285.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-06-13
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

The prior art is inefficient and prone to damage the flange plates when removing cast-in-place beam formwork, especially in environments where terrain is restricted, and it is more difficult to remove.

Method used

A convenient removal device for cast-in-place beam formwork is designed, including two sets of single-sided brackets, connecting system components and clamping mechanisms. Through the design of triangular brackets and connecting system, the stable removal of the formwork is achieved, and the flange plate is protected through the clamping mechanism.

Benefits of technology

It improves the efficient removal efficiency of cast-in-place beam formwork, reduces damage to flange plates, has greater applicability, higher flexibility, and has higher construction safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a convenient and fast dismantling device for a cast-in-place beam formwork. The convenient and fast dismantling device comprises two sets of single-side supports, a connecting system assembly and a clamping mechanism. According to the utility model, the cast-in-place beam flange plate steel template can be efficiently dismantled; the sizes of the lower penetrating bar and the upper penetrating bar can be selected according to the size of a flange plate template, so that the applicability is higher, and the flexibility is higher; by means of the lifting appliance, the formwork can move up and down below the flange plate, and the problem that in existing construction, the flange plate is damaged when the flange plate formwork is dismantled and dragged outwards is solved; by using the lifting appliance, the construction efficiency is improved, and a worker does not need to observe whether the flange plate collides with the template below the template, so that the safety is higher; the upper portion of the dismantling device is designed to be triangular, the stress structure is more stable, meanwhile, two sets of hanging rings are adopted, horizontal rods, vertical rods and inclined rods are connected through connecting systems, the overall performance is better, and the structure is safer and more reliable.
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Description

Technical Field

[0001] The utility model relates to the technical field of continuous beam construction, in particular to a convenient demoulding device for cast-in-place beam formwork. Background Art

[0002] At the present stage, in order to ensure the appearance and alignment of continuous beams, the external formwork mostly uses standardized steel formwork, which is formed by one-time pouring. After pouring, the formwork is mostly removed by dragging it outwards with a crane or tower crane, and then hoisted and removed after there is no flange plate obstruction above. The construction efficiency is slow, and at the same time, it is easy to damage the flange plate. For formwork removal restricted by terrain, such as on the mountainside side, there is greater difficulty.

[0003] Therefore, it is necessary to develop a convenient demoulding device for cast-in-place beam formwork to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to design a convenient demoulding device for cast-in-place beam formwork to solve the above problems.

[0005] The utility model realizes the above purpose through the following technical solutions:

[0006] The convenient demoulding device for cast-in-place beam formwork includes:

[0007] Two groups of single-sided supports; the two groups of single-sided supports have the same structure and are arranged parallel to each other. The upper end of the single-sided support forms a triangular support; the triangular support is placed above the cast-in-place beam, and a vertical side of the triangular support protrudes outside the outer edge of the cast-in-place beam;

[0008] A connection system component; the two groups of single-sided supports are connected horizontally through the connection system component;

[0009] A clamping mechanism; the clamping mechanism is installed at the end of a vertical side of the single-sided support extending downward and is used for clamping the flange bar of the formwork structure.

[0010] Specifically, the structure of the single-sided support includes a horizontal bar, an upper inclined bar, and a vertical bar. The vertical bar is arranged vertically, the horizontal bar is arranged horizontally, the first end of the horizontal bar is connected to the side wall of the vertical bar, the lower end of the upper inclined bar is connected to the second end of the horizontal bar, the upper end of the upper inclined bar is connected to the upper end of the vertical bar, and the clamping mechanism is installed at the lower end of the vertical bar.

[0011] Specifically, a first lifting ring is arranged at the top of the vertical bar, and a second lifting ring is arranged at the second end of the horizontal bar.

[0012] Specifically, the connection system component includes a first connection system, a second connection system, and a third connection system. The two upper inclined bars of the two groups of single-sided supports are connected through the first connection system, the two horizontal bars of the two groups of single-sided supports are connected through the second connection system, and the two vertical bars of the two groups of single-sided supports are connected through the third connection system.

[0013] Specifically, the first connection system, the second connection system, and the third connection system are all formed in a Z shape.

[0014] Specifically, the clamping mechanism includes two hanging buckles, two pressing buckles, a lower cross bar, and an upper cross bar. The hanging buckles and the pressing buckles are both formed in an L shape. At the lower end of the vertical rod of each single-sided bracket, the pressing buckle is installed on the first side of the vertical rod, and the outer end bending part of the pressing buckle bends downward. The hanging buckle is installed on the second side of the vertical rod, and the outer end bending part of the hanging buckle bends upward. The two ends of the lower cross bar are respectively placed in the grooves formed between the outer end bending parts of the two hanging buckles and the two vertical rods. The two ends of the upper cross bar are respectively placed in the grooves formed between the outer end bending parts of the two pressing buckles and the two vertical rods. Multiple flange plate cross bars are respectively clamped at different positions between the lower cross bar and the upper cross bar.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The present utility model can meet the efficient removal of the steel formwork of the cast-in-place beam flange plate; the lower cross bar and the upper cross bar can be selected according to the size of the flange plate formwork, with greater applicability and higher flexibility; the lifting tool can realize the up and down movement of the formwork under the flange plate, solving the damage to the flange plate caused by outward dragging during the removal of the flange plate formwork in the existing construction; the use of the lifting tool improves the construction efficiency, and there is no need for personnel to observe whether the flange plate collides with the formwork under the formwork, with higher safety; the upper part of the demolition device adopts a triangular design, and the force-bearing structure is more stable. At the same time, two groups of lifting rings are adopted, and the horizontal rod, the vertical rod, and the inclined rod are all connected by connection systems, with better overall performance and more secure and reliable structure. Description of the Drawings

[0017] Figure 1 is the front view of the present application;

[0018] Figure 2 is the right view of the present application;

[0019] Figure 3 is the application structure schematic diagram of the present application.

[0020] Legend Explanation: 1. Hanging buckle; 2. Lower cross bar; 3. Pressing buckle; 4. Upper cross bar; 5. Vertical rod; 6. Horizontal rod; 7. Upper inclined rod; 8. First connection system; 9. Second connection system; 10. Third connection system; 11. First lifting ring; 12. Second lifting ring; 13. Formwork structure; 14. Flange plate cross bar. Detailed Embodiment

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. Components of the embodiments of the present utility model usually described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0023] 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.

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "inner", "outer", "left", "right", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model 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 thus should not be construed as a limitation to the present utility model.

[0025] In addition, terms such as "first", "second", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, terms such as "set", "connect", etc. should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] The following will describe in detail the specific embodiments of the present utility model in conjunction with the accompanying drawings.

[0028] As Figures 1-3 shown, a convenient form removal device for cast-in-place beam includes:

[0029] Two sets of single-sided supports; the two sets of single-sided supports have the same structure and are arranged parallel to each other. The upper end of the single-sided support is formed into a triangular support; the triangular support is placed above the cast-in-place beam, and one vertical side of the triangular support protrudes beyond the outer edge of the cast-in-place beam.

[0030] Connection system components; the two sets of single-sided supports are connected horizontally through the connection system components.

[0031] Clamping mechanism; the clamping mechanism is installed at the end of the vertical side of the single-sided support extending downward and is used to clamp the flange plate cross bar 14 of the formwork structure 13.

[0032] As Figures 1-2 shown, the single-sided support structure includes a horizontal bar 6, an upper inclined bar 7, and a vertical bar 5. The vertical bar 5 is vertically arranged, the horizontal bar 6 is horizontally arranged, the first end of the horizontal bar 6 is connected to the side wall of the vertical bar 5, the lower end of the upper inclined bar 7 is connected to the second end of the horizontal bar 6, and the upper end of the upper inclined bar 7 is connected to the upper end of the vertical bar 5. The clamping mechanism is installed at the lower end of the vertical bar 5.

[0033] As Figures 1-2 shown, a first lifting ring 11 is provided at the top of the vertical bar 5, and a second lifting ring 12 is provided at the second end of the horizontal bar 6.

[0034] As Figures 1-2 shown, the connection system components include a first connection system 8, a second connection system 9, and a third connection system 10. The two upper inclined bars 7 of the two sets of single-sided supports are connected through the first connection system 8, the two horizontal bars 6 of the two sets of single-sided supports are connected through the second connection system 9, and the two vertical bars 5 of the two sets of single-sided supports are connected through the third connection system 10.

[0035] As Figure 2 shown, the first connection system 8, the second connection system 9, and the third connection system 10 are all formed into a Z shape.

[0036] As Figures 1-2 shown, the clamping mechanism includes two hanging buckles 1, two pressing buckles 3, a lower cross bar 2, and an upper cross bar 4. The hanging buckles 1 and the pressing buckles 3 are both formed into an L shape. At the lower end of the vertical bar 5 of each single-sided support, the pressing buckle 3 is installed on the first side of the vertical bar 5, and the outer end bending part of the pressing buckle 3 bends downward. The hanging buckle 1 is installed on the second side of the vertical bar 5, and the outer end bending part of the hanging buckle 1 bends upward. The two ends of the lower cross bar 2 are respectively placed in the grooves formed between the outer end bending parts of the two hanging buckles 1 and the two vertical bars 5. The two ends of the upper cross bar 4 are respectively placed in the grooves formed between the outer end bending parts of the two pressing buckles 3 and the two vertical bars 5. Multiple flange plate cross bars 14 are respectively clamped at different positions between the lower cross bar 2 and the upper cross bar 4. The lower cross bar 2 and the upper cross bar 4 are used as buckles for fixing the flange plate cross bar 14 and at the same time prevent the fixed flange plate cross bar 14 from falling off.

[0037] In this application, the horizontal rod 6, the vertical rod 5, and the upper inclined rod 7 are used as the balance structure for formwork removal and hoisting, for subsequent hoisting connection. A lifting ring is installed above the horizontal rod 6 and the vertical rod 5 for the hoisting of flange formwork removal; the above-mentioned formwork removal structure 13 and the hoisting balance structure are grouped in pairs, and the horizontal rod 6, the vertical rod 5, and the upper inclined rod 7 are respectively connected by connecting systems to form an integral whole of the two groups of structures to ensure the stability of the hanging bracket.

[0038] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. The convenient dismantling device for cast-in-place beam formwork is characterized by: include: Two groups of single-sided brackets; the two groups of single-sided brackets have the same structure and are arranged parallel to each other, and the upper ends of the single-sided brackets are formed into triangular brackets; the triangular brackets are placed above the cast-in-place beams, and one vertical side of the triangular brackets protrudes from the outer edge of the cast-in-place beams; Connecting system components; the two sets of single-side brackets are connected laterally through the connecting system components; Clamping mechanism: The clamping mechanism is installed at the end portion extending downward from a vertical side of a single-side bracket and is used to clamp the flange plate through-bar of the template structure.

2. The convenient dismantling device for cast-in-place beam formwork according to claim 1 is characterized in that: The single-sided support structure includes a horizontal rod, an upper oblique rod, and a vertical rod. The vertical rod is vertically arranged, and the horizontal rod is horizontally arranged. The first end of the horizontal rod is connected to the side wall of the vertical rod, the lower end of the upper oblique rod is connected to the second end of the horizontal rod, the upper end of the upper oblique rod is connected to the upper end of the vertical rod, and the clamping mechanism is installed at the lower end of the vertical rod.

3. The convenient dismantling device for cast-in-place beam formwork according to claim 2 is characterized in that: A first lifting ring is arranged at the top of the vertical rod, and a second lifting ring is arranged at the second end of the horizontal rod.

4. The convenient dismantling device for cast-in-place beam formwork according to claim 2, characterized in that: The connection system assembly includes a first connection system, a second connection system, and a third connection system. The two upper inclined rods of the two groups of single-sided brackets are connected by the first connection system, the two horizontal rods of the two groups of single-sided brackets are connected by the second connection system, and the two vertical rods of the two groups of single-sided brackets are connected by the third connection system.

5. The convenient dismantling device for cast-in-place beam formwork according to claim 4 is characterized in that: The first connection system, the second connection system, and the third connection system are all formed in a Z shape.

6. The convenient dismantling device for cast-in-place beam formwork according to claim 1, characterized in that: The clamping mechanism includes two hanging buckles, two pressing buckles, a lower through bar and an upper through bar. The hanging buckles and the pressing buckles are both formed in an L shape. At the lower end of the vertical bar of each single-sided bracket, the pressing buckle is installed on the first side of the vertical bar, and the outer end bending portion of the pressing buckle is bent downward. The hanging buckle is installed on the second side of the vertical bar, and the outer end bending portion of the hanging buckle is bent upward. The two ends of the lower through bar are respectively placed in the grooves formed between the outer end bending portions of the two hanging buckles and the two vertical bars, and the two ends of the upper through bar are respectively placed in the grooves formed between the outer end bending portions of the two pressing buckles and the two vertical bars. Multiple flange plate through bars are respectively inserted into different positions between the lower through bar and the upper through bar.