A fixing device for building aluminum alloy formwork
By designing a combined structure of left, right, and middle formwork, the problem of inconvenient adjustment, installation, and disassembly of the aluminum alloy formwork top plate keel was solved, enabling convenient formwork installation and adapting to different support column thickness requirements, thus improving installation flexibility.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MESKA GRP CONSTR
- Filing Date
- 2025-05-22
- Publication Date
- 2026-07-28
AI Technical Summary
The existing aluminum alloy formwork top plate keel is inconvenient to adjust, install and disassemble, and cannot adapt to the thickness requirements of different support columns, resulting in inconvenience in installation and disassembly.
Design a fixing device for aluminum alloy formwork in construction. It adopts a combination structure of left formwork, right formwork and middle formwork. The formwork can be conveniently installed and disassembled by connecting the upper U-shaped groove, the lower U-shaped groove and the fixing plate. The device can also adapt to different support column thicknesses by using the cooperation of protruding columns and slots.
It enables convenient installation and disassembly of aluminum alloy formwork, and allows adjustment of the thickness of the support columns according to the weight of the castable material, thus improving the flexibility and adaptability of installation.
Smart Images

Figure CN224565736U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of aluminum alloy formwork fixing technology, and is particularly suitable for a fixing device for aluminum alloy formwork used in construction. Background Technology
[0002] The aluminum alloy formwork system consists of a formwork system, a support system, an accessory system, and a fastening system. When assembling the aluminum alloy formwork, after the beam formwork is installed, a top slab joist is needed to support the mold for the cast-in-place refractory material. During the pre-assembly of the top slab joist, the entire structure is integrated, making it inconvenient to adjust according to the thickness of the support columns, and hindering installation and disassembly. Utility Model Content
[0003] The purpose of this utility model is to provide a fixing device for aluminum alloy formwork in construction, which facilitates the installation and disassembly of the top plate keel, ensures firm fixing, and is easy to adapt to different support columns, making it particularly suitable for use in construction projects.
[0004] The technical solution of this utility model is: a fixing device for aluminum alloy formwork in construction, including a left formwork and a right formwork, which are connected by a middle formwork. The left and right formworks have the same structure and are symmetrically arranged about the middle formwork.
[0005] The left, right, and middle templates are all C-shaped templates. The left template has an upper inverted U-shaped groove and a lower inverted U-shaped groove symmetrically arranged at the upper and lower ends of the inner opening on the right side, with the grooves recessed inwards. An upper circular hole and a lower circular hole are provided on the bottom wall of both the upper and lower inverted U-shaped grooves.
[0006] The right template has two symmetrically arranged upper and lower inverted U-shaped grooves at the upper and lower ends of the inner opening on the left side, with the grooves recessed inwards. Upper and lower round holes are provided on the bottom walls of both the upper and lower inverted U-shaped grooves.
[0007] The middle template has symmetrical upper and lower inverted U-shaped grooves at the top and bottom of the opening side. Multiple protruding columns are provided on the upper and lower sides of the outermost left and right ends of the middle template. Slots that mate with the protruding columns are provided on the right edge of the left template and the left edge of the right template. A beam support column is provided in the middle of the inner side of the middle template, with the top support column positioned between the upper and lower inverted U-shaped grooves. An annular limiting groove is provided on the outer side of the top support column.
[0008] Upper fixing plates are provided in the upper inverted U-shaped groove 1, upper inverted U-shaped groove 2, and upper inverted U-shaped groove 3, and lower fixing plates are provided in the lower inverted U-shaped groove 1, lower inverted U-shaped groove 2, and lower inverted U-shaped groove 3. The upper fixing plates are respectively provided with a first upper hole and a second upper hole corresponding to the upper round hole 1 and the upper round hole 2, and the lower fixing plates are respectively provided with a first lower hole and a second lower hole corresponding to the lower round hole 1 and the lower round hole 2. The left fixing bolt passes through the first upper hole and the first lower hole in sequence and is fixed by the left fastening nut. The right fixing bolt passes through the second upper hole and the second lower hole in sequence and is fixed by the right fastening nut.
[0009] Preferably, the inner ends of the upper and lower inverted U-shaped grooves are fixed to the upper and lower ends of the inner opening of the C-shaped template by their respective connecting plates.
[0010] Preferably, the outer end of the supporting top column extends beyond the annular limiting groove.
[0011] Preferably, both the upper fixing plate and the lower fixing plate are hollow plates.
[0012] Preferably, both the left and right templates are provided with multiple mounting holes.
[0013] The advantages and positive effects of this utility model are as follows: by adopting the above technical solution, the left template, right template and middle template are assembled separately and then installed, which makes installation and disassembly convenient; at the same time, the thickness of the support column is determined according to the weight of the poured material, so that different middle templates can be replaced. Attached Figure Description
[0014] Figure 1 This is a bottom view of the present invention.
[0015] Figure 2 This is a front view of the present invention.
[0016] In the picture:
[0017] 1. Left template; 3. Right template; 2. Middle template
[0018] 4. Upward U-shaped groove one; 5. Downward U-shaped groove one; 6. Upward U-shaped groove two.
[0019] 7. Downward-curving U-shaped groove II; 8. Upward-curving U-shaped groove III; 9. Downward-curving U-shaped groove III
[0020] 10. Protruding column; 11. Beam support column; 12. Annular limiting groove
[0021] 13. Upper fixing plate; 14. Lower fixing plate; 15. Left fixing bolt. Detailed Implementation
[0022] like Figure 1-2As shown, the technical solution of this utility model is a fixing device for aluminum alloy formwork in construction, including a left formwork 1 and a right formwork 3, which are connected by a middle formwork 2. The left formwork 1 and the right formwork 3 have the same structure and are symmetrically arranged about the middle formwork 2.
[0023] The left template 1, right template 3, and middle template 2 are all C-shaped templates. The left template 1 has an upper inverted U-shaped groove 4 and a lower inverted U-shaped groove 5 symmetrically arranged at the upper and lower ends of the inner opening on the right side, with the grooves recessed inwards. An upper round hole and a lower round hole are provided on the bottom wall of the upper inverted U-shaped groove 4 and the lower inverted U-shaped groove 5.
[0024] The right template 3 has an upper inverted U-shaped groove 6 and a lower inverted U-shaped groove 7 symmetrically arranged at the upper and lower ends of the inner opening on the left side, with the grooves recessed inward. An upper circular hole 2 and a lower circular hole 2 are provided on the bottom wall of both the upper inverted U-shaped groove 6 and the lower inverted U-shaped groove 7.
[0025] The middle template 2 has symmetrical upper inverted U-shaped grooves 8 and lower inverted U-shaped grooves 9 at the upper and lower ends of its opening side. Multiple protruding columns 10 are provided on the upper and lower sides of the outermost left and right ends of the middle template 2. Slots that mate with the protruding columns 10 are provided on the right edge of the left template 1 and the left edge of the right template 3. A beam support column 11 is provided in the middle of the inner side of the middle template 2, and the support column 11 is located between the upper inverted U-shaped grooves 8 and lower inverted U-shaped grooves 9. An annular limiting groove 12 is provided on the outer side of the support column 11. The annular limiting groove 12 is used to limit and lock the beam column, and the uppermost end of the beam column is locked onto the support column 11.
[0026] Upper fixing plates 13 are provided in the upper inverted U-shaped grooves 1-4, 2-6, and 3-8, and lower fixing plates are provided in the lower inverted U-shaped grooves 1-5, 2-7, and 3-9. The upper fixing plates 13 have first and second upper holes corresponding to the upper circular holes 1 and 2, respectively. The lower fixing plates 14 have first and second lower holes corresponding to the lower circular holes 1 and 2, respectively. Left fixing bolts 15 pass through the first upper and first lower holes sequentially and are fixed by the left fastening nut. Right fixing bolts pass through the second upper and second lower holes sequentially and are fixed by the right fastening nut. (The top-bottom and left-right correspondences in the diagram are relative to...) Figure 1 (Based on the bottom view)
[0027] In this embodiment, the inner ends of the upper and lower inverted U-shaped grooves are fixed to the upper and lower ends of the inner opening of the C-shaped template by their respective connecting plates.
[0028] In this embodiment, the outer end of the supporting top column extends beyond the annular limiting groove.
[0029] In this embodiment, both the upper fixing plate 13 and the lower fixing plate 14 are hollow plates.
[0030] In this embodiment, both the left template 1 and the right template 3 are provided with multiple mounting holes.
[0031] The working process and principle of this example: When using it, select support columns of different thicknesses in advance according to the weight of the material to be poured, and then select different middle templates. Then, fix the left template 1, right template 3, and middle template 2 in sequence through the upper fixing plate 13, lower fixing plate 14 and corresponding fixing bolts. At this time, the protruding column 10 can be stuck in the slot.
[0032] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.
Claims
1. A fixing device for aluminum alloy formwork used in construction, characterized in that: It includes a left template and a right template, which are connected by a middle template. The left and right templates have the same structure and are symmetrically arranged about the middle template. The left, right, and middle templates are all C-shaped templates. The left template has two symmetrically arranged upper and lower inverted U-shaped grooves at the top and bottom of its right inner opening, with the grooves recessed inwards. Each of the upper and lower inverted U-shaped grooves has an upper circular hole and a lower circular hole on its bottom wall. Similarly, the right template has two symmetrically arranged upper and lower inverted U-shaped grooves at the top and bottom of its left inner opening, with the grooves recessed inwards. Each of the upper and lower inverted U-shaped grooves has an upper circular hole and a lower circular hole on its bottom wall. The middle template has two symmetrically arranged upper and lower inverted U-shaped grooves at the top and bottom of its opening side. Multiple protruding pillars are located on the upper and lower sides of the left and right outermost ends of the middle template. Corresponding protruding pillars are located on the right edge of the left template and the left edge of the right template. The slot has a beam support column in the middle of the inner side of the template, and the top support column is located between the upper inverted U-shaped groove three and the lower inverted U-shaped groove three. An annular limiting groove is provided on the outside of the top support column. An upper fixing plate is provided in the upper inverted U-shaped groove one, upper inverted U-shaped groove two, and upper inverted U-shaped groove three. A lower fixing plate is provided in the lower inverted U-shaped groove one, lower inverted U-shaped groove two, and lower inverted U-shaped groove three. The upper fixing plate has a first upper hole and a second upper hole corresponding to the upper round hole one and the upper round hole two, respectively. The lower fixing plate has a first lower hole and a second lower hole corresponding to the lower round hole one and the lower round hole two, respectively. The left fixing bolt passes through the first upper hole and the first lower hole in sequence and is fixed by the left fastening nut. The right fixing bolt passes through the second upper hole and the second lower hole in sequence and is fixed by the right fastening nut.
2. The fixing device for aluminum alloy formwork in construction according to claim 1, characterized in that: The inner ends of the upper and lower U-shaped grooves are fixed to the upper and lower ends of the inner opening of the C-shaped template by their respective connecting plates.
3. The fixing device for aluminum alloy formwork in construction according to claim 1, characterized in that: The outer end of the supporting top column extends beyond the annular limiting groove.
4. The fixing device for aluminum alloy formwork in construction according to claim 1, characterized in that: Both the upper and lower fixing plates are hollow plates.
5. The fixing device for aluminum alloy formwork in construction according to claim 1, characterized in that: Both the left and right templates are provided with multiple mounting holes.