Semi-cylindrical formwork reinforcing device

By setting up a steel hoop reinforcement device on the outer periphery of the semi-cylindrical formwork, the combination of connectors, threaded rods, fastening nuts and movable seats is used to solve the problems of cumbersome fixation methods and poor firmness, and the stable reinforcement and arc control of the formwork are achieved, and construction efficiency is improved.

CN222810445UActive Publication Date: 2025-04-29CSCEC STRAIT CONSTR & DEV +1
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Patent Information

Application Number
CN202421768383.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-04-29
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

During the pouring of semicircular cylinders, the traditional steel pipe interlaced and overlapping fixing method leads to cumbersome and inconvenient installation of the formwork, poor firmness, difficulty in controlling the arc and verticality, and easy to cause concrete slurry leakage and uneven surfaces.

Method used

The steel hoop reinforcement device is adopted to firmly fix the outer circumference of the semi-cylindrical formwork by setting up connectors, threaded rods, fastening nuts and movable seats, and the formwork is further reinforced through the wedges.

Benefits of technology

It improves the overall stability of the formwork, ensures the control of arc and verticality, avoids concrete slurry leakage and uneven surface problems, simplifies installation operations, and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a semi-cylindrical formwork reinforcing device which comprises a steel hoop, connecting pieces are arranged at the two ends of the steel hoop, the two connecting pieces are connected through a threaded rod, the two ends of the threaded rod penetrate through connecting holes formed in the corresponding connecting pieces respectively, and the threaded rod is connected with the steel hoop. Fastening nuts are arranged on the side wall faces, deviating from each other, of the two connecting pieces, the fastening nuts are in threaded connection with the periphery of the threaded rod, a plurality of movable seats are movably connected to the periphery of the steel hoop, a clamping plate is connected to one side of each movable seat in a clamped mode, a wedge block is fixedly connected to one side of each clamping plate, and the wedge blocks are located on the inner side wall face of the steel hoop. The steel hoop is arranged and matched with the connecting piece, the threaded rod and the fastening nut, the periphery of the semi-cylindrical formwork is fixed, the movable base is additionally arranged on the steel hoop, the wedge block can be conveniently clamped into the position where the gap between the steel hoop and the formwork is large, the formwork is further reinforced, and the problems that in a traditional steel pipe staggered lap joint fixing mode, firmness is poor, and use is not convenient are solved. And installation and operation are not convenient.
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Description

Technical Field

[0001] The utility model relates to a semi-cylindrical formwork reinforcement device, which is applied in the technical field of auxiliary devices in the construction industry. Background Art

[0002] As is known to all, with the development and progress of modern construction industry, people have higher and higher requirements for the aesthetics of buildings, which has led to the emergence of many circular, semi-circular and special-shaped buildings in the construction process. The common flat formworks used in the past can no longer meet the needs of such special-shaped buildings, so semi-cylindrical formworks and many special-shaped formworks have appeared on the market to supplement the shortcomings of ordinary flat formworks.

[0003] However, it was found in actual use that when pouring a semicircular column, the semicircular formwork is usually first installed on the periphery of the tied steel bars, and then a plurality of steel pipes are used to overlap the periphery of the formwork in an staggered manner to reinforce the formwork. However, this construction method is not only cumbersome to install and inconvenient to use, which reduces the efficiency of formwork installation, but also has poor overall firmness. Its arc and verticality are difficult to control, which can easily cause abnormal conditions such as concrete leakage, uneven surface, and bulging formwork, thereby delaying construction progress. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a semi-cylindrical formwork reinforcement device, which fixes the outer circumference of the semi-cylindrical formwork by arranging steel hoops in combination with connecting pieces, threaded rods and fastening nuts. By adding a movable seat on the steel hoop, it is convenient to insert the wedge block into the position where the gap between the steel hoop and the formwork is larger, thereby achieving further reinforcement of the formwork, solving the problems of poor firmness and inconvenient installation operation of the traditional staggered overlap fixing method of steel pipes.

[0005] The technical solution of the utility model is as follows:

[0006] A semi-cylindrical formwork reinforcement device comprises a steel hoop, wherein both end heads of the steel hoop are provided with connecting pieces, and the two connecting pieces are connected by means of a threaded rod, wherein both ends of the threaded rod respectively pass through connecting holes provided on the corresponding connecting pieces, and fastening nuts are provided on the side walls opposite to each other of the two connecting pieces, wherein the fastening nuts are threadedly connected to the outer periphery of the threaded rod, and a plurality of movable seats are movably connected to the outer periphery of the steel hoop, a clamping plate is clamped on one side of the movable seat, a wedge block is fixedly connected to one side of the clamping plate, and the wedge block is located on the inner wall surface of the steel hoop.

[0007] The steel hoop is a circular ring structure, and a layer of rubber anti-skid pad is arranged on the inner wall surface of the steel hoop.

[0008] The connecting piece is an L-shaped plate structure, and one end of the connecting piece connected to the steel hoop is provided with a rectangular hole, and the steel hoop passes through the hole to be fixed to the connecting piece.

[0009] A slot adapted for the steel hoop is provided on one side of the movable seat, a cover plate is provided on the outside of the slot, and a plurality of fixing holes are provided on the top and bottom of the movable seat and the cover plate, and the movable seat is connected to the cover plate by inserting screws into the fixing holes.

[0010] The other side of the movable seat is provided with a T-shaped slide groove with both the top and the bottom being open, and a card plate is inserted into the T-shaped slide groove.

[0011] A limiting block protruding outward is integrally connected to the top of the clamping plate, and a triangular wedge block is integrally connected to the side of the clamping plate away from the limiting block.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model adopts the setting of a steel hoop made of ductile steel, sets the steel hoop on the outer periphery of the semi-cylindrical template, and adds a threaded rod between the two connecting parts, and tightens the fastening nut, so that the steel hoop can firmly fix the semi-cylindrical template, and the installation operation is convenient and quick;

[0014] 2. The utility model adds a movable seat, inserts the steel hoop into the slot, and fixes the cover plate with screws, so that the movable seat can be movably connected to the steel hoop, thereby facilitating the movement of the wedge block to a position where the gap between the steel hoop and the template is larger, pressing the wedge block downward, and using the inclined surface of the wedge block to relatively squeeze the steel hoop and the template, thereby forming an outward expansion force on the template and the steel hoop, further reinforcing the overall structure of the template, improving its overall stability, effectively controlling the arc and verticality, and avoiding the occurrence of phenomena such as concrete leakage, surface unevenness, and mold expansion. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the disassembly structure of the movable seat, the clamping plate and the wedge block in the utility model;

[0018] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0019] The reference numerals in the figure are as follows:

[0020] 1. Steel hoop; 2. Connector; 3. Threaded rod; 4. Fastening nut; 5. Movable seat; 501. Slot; 502. T-shaped slide; 6. Card plate; 7. Wedge block; 8. Cover plate; 9. Rubber anti-slip pad; 10. Limit block. DETAILED DESCRIPTION

[0021] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] See also Figures 1 to 4 The semi-cylindrical formwork reinforcement device comprises a steel hoop 1, and a connector 2 is provided on both ends of the steel hoop 1. The two connectors 2 are connected by a threaded rod 3, and the two ends of the threaded rod 3 pass through the connection holes provided on the corresponding connector 2, and the two connectors 2 are provided with a fastening nut 4 on the opposite side walls, and the fastening nut 4 is threadedly connected to the outer periphery of the threaded rod 3. The outer periphery of the steel hoop 1 is movably connected with a plurality of movable seats 5, and a clamping plate 6 is clamped on one side of the movable seat 5, and a wedge block 7 is fixedly connected to one side of the clamping plate 6, and the wedge block 7 is located on the inner wall of the steel hoop 1. The provision of the wedge block 7 can effectively prevent the column from being misaligned when pouring concrete, which is beneficial to improving the stability of its structure.

[0023] The steel hoop 1 is a circular ring structure, and a layer of rubber anti-skid pad 9 is arranged on the inner wall surface of the steel hoop 1. The steel hoop 1 is made of tough steel, has good ductility and firmness, and can withstand the huge pressure when pouring concrete.

[0024] The connecting piece 2 is an L-shaped plate structure. A rectangular hole is provided at one end of the connecting piece 2 connected to the steel hoop 1. The steel hoop 1 passes through the hole and is fixed to the connecting piece 2.

[0025] A slot 501 adapted to the steel hoop 1 is provided on one side of the movable seat 5, and a cover plate 8 is provided on the outside of the slot 501. Several fixing holes are provided on the top and bottom of the movable seat 5 and the cover plate 8, and the movable seat 5 is connected to the cover plate 8 by inserting screws into the fixing holes.

[0026] The other side of the movable seat 5 is provided with a T-shaped slide groove 502 with both the top and the bottom being open, and a clamping plate 6 is inserted into the T-shaped slide groove 502 .

[0027] The top of the card plate 6 is integrally connected with a limit block 10 protruding outward, and the card plate 6 is integrally connected with a triangular wedge block 7 on the side away from the limit block 10. When the card plate 6 is used, the limit block 10 is used to facilitate the assembly and disassembly of the card plate 6 on the movable seat 5.

[0028] The working principle of this utility model:

[0029] When using the utility model, firstly, the steel hoop 1 is sleeved on the outer circumference of the semi-cylindrical template, the threaded rod 3 is inserted between the two connecting pieces 2, and the fastening nuts 4 are screwed on the two ends of the threaded rod 3, so that the steel hoop 1 can preliminarily fix the semi-cylindrical template, and further a plurality of movable seats 5 are installed on the steel hoop 1. During installation, the steel hoop 1 is clamped into the clamping groove 501, and the cover plate 8 is further covered on the outer side of the steel hoop 1 and the clamping groove 501, and then the screws are screwed into the fixing holes provided on the movable seat 5 and the cover plate 8 to fix the cover plate 8 and the movable seat 5. At this time, the movable seat 5 can slide left and right on the steel hoop 1. Move, further clamp the card plate 6 into the T-shaped slide groove 502 by holding the limit block 10, so that the slope surface of the wedge block 7 fits with the plate surface of the semi-cylindrical formwork, and then move the movable seat 5 to the position where the gap between the steel hoop 1 and the formwork is larger, press or hammer the wedge block 7 with force, and use the slope surface of the wedge block 7 to squeeze and fill the gap between the steel hoop 1 and the semi-cylindrical formwork, thereby further reinforcing the overall structure of the formwork, improving its overall stability, effectively controlling the arc and verticality of the component, avoiding the occurrence of concrete leakage, surface unevenness, bulging formwork, etc., and improving construction efficiency.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A semi-cylindrical formwork reinforcement device, comprising a steel hoop (1), characterized in that: The two ends of the steel hoop (1) are provided with connecting pieces (2), and the two connecting pieces (2) are connected by a threaded rod (3). The two ends of the threaded rod (3) respectively pass through the connecting holes provided on the corresponding connecting pieces (2). The side walls of the two connecting pieces (2) that are away from each other are provided with fastening nuts (4), and the fastening nuts (4) are connected to the outer periphery of the threaded rod (3) by threads. The outer periphery of the steel hoop (1) is movably connected with a plurality of movable seats (5), and a clamping plate (6) is clamped on one side of the movable seat (5), and a wedge block (7) is fixedly connected to one side of the clamping plate (6), and the wedge block (7) is located on the inner wall surface of the steel hoop (1).

2. A semi-cylindrical formwork reinforcement device as claimed in claim 1, characterized in that: The steel hoop (1) is of a circular ring structure, and a layer of rubber anti-slip pad (9) is arranged on the inner wall surface of the steel hoop (1).

3. A semi-cylindrical formwork reinforcement device as claimed in claim 1, characterized in that: The connecting piece (2) is an L-shaped plate structure. One end of the connecting piece (2) connected to the steel hoop (1) is provided with a rectangular hole, and the steel hoop (1) passes through the hole to be fixed to the connecting piece (2).

4. A semi-cylindrical formwork reinforcement device as claimed in claim 1, characterized in that: A slot (501) adapted to the steel hoop (1) is provided on one side of the movable seat (5), a cover plate (8) is provided on the outside of the slot (501), and a plurality of fixing holes are provided on the top and bottom of the movable seat (5) and the cover plate (8), and the movable seat (5) and the cover plate (8) are connected by inserting screws into the fixing holes.

5. A semi-cylindrical formwork reinforcement device as claimed in claim 4, characterized in that: The other side of the movable seat (5) is provided with a T-shaped slide groove (502) with both the top and the bottom being open, and a clamping plate (6) is inserted into the T-shaped slide groove (502).

6. A semi-cylindrical formwork reinforcement device as claimed in claim 5, characterized in that: The top of the clamping plate (6) is integrally connected with a limit block (10) protruding outward, and the clamping plate (6) is integrally connected with a triangular wedge block (7) on the side facing away from the limit block (10).