Pre-supporting steel plate tire mold based on basement pile cap construction

By using precast steel plate formwork, the problems of material waste and high construction costs associated with traditional brick formwork were solved, enabling efficient and stable construction of basement foundations.

CN224281345UActive Publication Date: 2026-05-26GUANGZHOU PEARL RIVER CONSTR DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGZHOU PEARL RIVER CONSTR DEV CO LTD
Filing Date
2025-05-26
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In traditional foundation construction, the demand for brick formwork materials is large, resulting in significant waste, high construction costs, and low construction efficiency.

Method used

The steel plate mold is prefabricated by using four symmetrical support steel plates prefabricated in the workshop, combined with support braces, misalignment grooves and connecting fixing mechanisms to improve the strength and rigidity of the steel plate mold. It is then prefabricated in the factory and assembled and fixed on site.

Benefits of technology

It improved construction efficiency, reduced material waste, enhanced construction stability and quality, reduced labor requirements, and lowered construction costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a pre-supporting steel plate tire form based on basement pile cap construction, relates to the basement construction field, and comprises four supporting steel plates which are symmetrical in pairs, supporting inclined braces are fixed between adjacent supporting steel plates, two connecting and fixing mechanisms are arranged on the supporting steel plates, and reinforcing mechanisms are arranged on the supporting steel plates. The supporting steel plates are produced in a workshop and are fixed together to form a steel plate tire form, then corresponding tire forms are produced according to the depth of pile cap construction, and the steel plate tire form formed by the four supporting steel plates is moved to a selected pile cap position, so that, compared with a traditional brick tire form, the pre-supporting steel plate tire form has higher strength and rigidity and can effectively resist the influence of external factors; the pre-supporting steel plate tire form can be processed in advance in a factory, and construction efficiency is improved.
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Description

Technical Field

[0001] This application relates to the field of basement construction, and in particular to a pre-supported steel plate formwork for basement foundation construction. Background Technology

[0002] A basement foundation is an important component of a building's basement structure. It is a reinforced concrete structure used to support the basement's columns or walls, transferring the load from the superstructure to the foundation. It serves to distribute and transmit loads, while also enhancing the overall stability of the basement structure, ensuring the building's safety and stability.

[0003] When the foundation is deep, the working surface required for the brick formwork construction is large, and the earthwork excavation and filling are also large. In particular, the earthwork backfilling process is very damaging to the brick formwork. In addition, according to the construction experience of similar previous work conditions, for the brick formwork foundation using masonry + cement mortar slurry, the total construction period from the pouring of the foundation layer, the construction of the brick formwork, the slurry slurry slurry, and the technical intervals, is 5 days.

[0004] Traditional foundations are constructed using lime-sand bricks or lightweight blocks to form a brick mold. This requires a large quantity of materials such as blocks and mortar, resulting in significant material waste. The construction process is labor-intensive, costly, and uneconomical. Utility Model Content

[0005] The purpose of this application is to address the problems mentioned in the background art, namely, the large demand for materials such as bricks and mortar in traditional foundation construction, the significant waste of materials, the high labor requirements and costs, and the uneconomical nature of traditional foundation construction using lime-sand bricks or lightweight blocks, which require large quantities of bricks and mortar, and the high labor costs during construction. This application provides a pre-supported steel plate formwork for basement foundation construction.

[0006] To achieve the above objectives, this application specifically adopts the following technical solution:

[0007] A pre-supported steel plate formwork for basement foundation construction includes four symmetrically arranged support steel plates. Adjacent support steel plates are fixedly connected at right angles, and diagonal braces are fixed between adjacent support steel plates. A first misalignment groove is formed on the support steel plate, and a second misalignment groove is formed on the side of the second support steel plate away from the first misalignment groove. Two connecting and fixing mechanisms are provided on the support steel plate, and a reinforcement mechanism is provided on the support steel plate.

[0008] By adopting the above technical solution, the supporting steel plates are prefabricated in the workshop and fixed together to form a steel plate mold. Then, according to the depth of the foundation construction, a corresponding mold is produced. The steel plate mold composed of four supporting steel plates is moved to the selected foundation position. Compared with the traditional brick mold, the pre-supported steel plate mold has higher strength and rigidity, and can effectively resist the influence of external factors. The pre-supported steel plate mold can be prefabricated in the factory, improving construction efficiency and ensuring the quality of foundation construction. It also improves the stability of adjacent supporting steel plates, further enhancing the stability of the pre-supported steel plate mold.

[0009] Furthermore, the connecting and fixing mechanism includes a rotating block fixed on a supporting steel plate, a supporting block rotatably connected to the rotating block, a fixing hook provided on the supporting block, a fixing rod corresponding to the fixing buckle fixed on the supporting steel plate, a tightening component provided between the fixing hook and the supporting block, and a limit component provided on the fixing hook.

[0010] By adopting the above technical solution, the fixed hook on the rotating block is hung on the fixed rod on another supporting steel plate, and then the fixed hook is tightened by the tightening component, so that the upper and lower adjacent supporting steel plates can further abut, improve the stability between the steel plates, and further improve the stability of the pre-supported steel plate mold.

[0011] Furthermore, the tightening assembly includes a tightening threaded rod threadedly connected to the support block, one end of which is rotatably connected to a rotating head, which is fixedly connected to a fixed hook.

[0012] By adopting the above technical solution, the tightening threaded rod moves on the support block, which makes it easy for the tightening threaded rod to drive the fixed hook to move.

[0013] Furthermore, the limiting assembly includes a limiting plate rotatably connected to the rotating head, and a spring sheet is provided between the limiting plate and the fixed hook. The spring sheet is U-shaped, and both ends of the spring sheet are fixedly connected to the limiting plate and the fixed hook.

[0014] By adopting the above technical solution, when the fixing hook is hung on the fixing rod, the fixing rod passes over the limiting plate, and then the limiting plate is reset under the action of the spring plate, thereby reducing the possibility of the fixing hook falling off the fixing rod.

[0015] Furthermore, a limiting groove is provided at one end of the limiting plate, and the limiting groove corresponds to the fixing hook.

[0016] By adopting the above technical solution, a limiting groove is opened on the limiting plate, and the limiting groove is locked on the fixed hook, thereby reducing the possibility of excessive misalignment between the limiting plate and the fixed hook.

[0017] Furthermore, a limiting block is fixed on the fixing rod, and the limiting block corresponds to the fixing hook.

[0018] By adopting the above technical solution, the limiting block on the fixed rod can limit the fixed hook, thereby further reducing the misalignment of the fixed hook.

[0019] Furthermore, the reinforcement mechanism includes a reinforcement block fixed to a supporting steel plate, a reinforcement nail slidably connected to the reinforcement block, a snap-fit ​​block slidably connected to the reinforcement block, snap-fit ​​teeth on both the snap-fit ​​block and the reinforcement nail, and the snap-fit ​​teeth facing opposite directions, and a snap-fit ​​spring is provided between the reinforcement block and the snap-fit ​​block, with both ends of the snap-fit ​​spring being fixedly connected to the reinforcement block and the snap-fit ​​block.

[0020] By adopting the above technical solution, when the supporting steel plate is pressed against the bottom of the foundation pit, the reinforcing nails pass through the reinforcing block and are inserted into the ground, thereby further improving the stability of the entire steel plate mold.

[0021] Furthermore, two symmetrical reinforcing ribs are fixed on the supporting steel plate, and two uniformly distributed reinforcing ribs are fixed between the two reinforcing ribs.

[0022] By adopting the above technical solution, the supporting steel plate is reinforced by reinforcing ribs one and two, thereby further improving the strength of the supporting steel plate.

[0023] In summary, this application includes at least one of the following beneficial effects;

[0024] 1. This application involves selecting the location and dimensions of the foundation construction, then prefabricating the supporting steel plates in the workshop and fixing them together to form a steel plate mold. The mold is then produced according to the required depth of the foundation construction. Supporting diagonal braces are fixed between adjacent supporting steel plates, and misalignment grooves one and two are created on the supporting steel plates. When the foundation construction begins, the steel plate mold composed of four supporting steel plates is moved to the selected foundation location. New supporting steel plates are then placed into the mold, with the misalignment groove two on the newly placed plate engaging with the misalignment groove one on the already placed plate, ensuring stable stacking of the supporting steel plates. Compared to traditional brick molds, the pre-supported steel plate mold has higher strength and rigidity, effectively resisting the influence of external factors. Furthermore, the pre-supported steel plate mold can be prefabricated in the factory, improving construction efficiency.

[0025] 2. In this application, by having the fixed hook hang on the fixed rod on the adjacent support steel plate, when the fixed hook is hung on the fixed rod, the fixed rod pushes the limiting plate, the limiting plate squeezes the spring sheet, causing the limiting plate to rotate into the fixed hook, so that the fixed hook is stably hung on the fixed rod. The tightening threaded rod moves on the support block, and the tightening threaded rod drives the fixed hook, so that the fixed hook is firmly hung on the fixed rod. This achieves the purpose of further abutting the adjacent support steel plates, improving the stability between the steel plates, and further improving the stability of the pre-supported steel plate mold. Attached Figure Description

[0026] Figure 1 This is a first three-dimensional structural schematic diagram of the pre-supported steel plate formwork for the foundation construction in this application;

[0027] Figure 2 This is a schematic diagram of the second three-dimensional structure of the pre-supported steel plate formwork for the foundation construction in this application;

[0028] Figure 3 This application Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 This application Figure 2 Enlarged view of point B in the middle;

[0030] Figure 5 This is a schematic diagram of the structure of the fixing hook in this application.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Supporting steel plate; 2. Supporting diagonal brace; 3. Misalignment groove one; 4. Misalignment groove two; 5. Connecting and fixing mechanism; 51. Rotating block; 52. Supporting block; 53. Fixing hook; 54. Tightening assembly; 541. Tightening threaded rod; 542. Rotating head; 55. Limiting assembly; 551. Limiting plate; 552. Spring sheet; 56. Fixing rod; 57. Limiting block; 6. Reinforcing mechanism; 61. Reinforcing block; 62. Reinforcing nail; 63. Snap-fit ​​block; 64. Snap-fit ​​spring; 7. Reinforcing rib one; 8. Reinforcing rib two. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1 —5 provides further details regarding this application.

[0034] This application discloses a pre-supported steel plate formwork for basement foundation construction.

[0035] Reference Figure 1 , Figure 2 and Figure 3A pre-supported steel plate formwork for basement foundation construction includes four symmetrically arranged support steel plates 1. Adjacent support steel plates 1 are fixedly connected at right angles. Supporting diagonal braces 2 are fixed between adjacent support steel plates 1. A misalignment groove 3 is opened on the support steel plate 1. A misalignment groove 4 is opened on the side of the support steel plate 1 away from the misalignment groove 3. Two connecting and fixing mechanisms 5 are provided on the support steel plate 1. A reinforcement mechanism 6 is provided on the support steel plate 1.

[0036] When constructing the basement foundation, the location and dimensions of the foundation are first selected. Then, the supporting steel plates 1 are manufactured in the workshop and fixed together to form a steel plate mold. Next, molds corresponding to the foundation's depth are produced. Supporting braces 2 are then fixed between adjacent supporting steel plates 1, and misalignment grooves 1-3 and 2-4 are cut on the supporting steel plates 1. When the foundation is officially constructed, the steel plate mold composed of four supporting steel plates 1 is moved to the selected foundation location. A reinforcing mechanism 6 is fixed to the bottom supporting steel plate 1. After the steel plate mold composed of supporting steel plates 1 is placed into the foundation pit, the reinforcing mechanism 6 is inserted into the ground. Then, new steel plate molds composed of supporting steel plates 1 are placed in, ensuring that the misalignment grooves 2-4 on the newly placed supporting steel plates 1 align with the foundation's depth. The misalignment grooves 3 on the already placed support steel plates 1 are engaged together, allowing the support steel plates 1 to be stacked stably. Then, the connecting and fixing mechanism 5 is used to further fix the upper and lower adjacent support steel plates 1 together. By placing the steel plate mold composed of support steel plates 1 into the foundation pit, and then placing it into a new steel plate mold composed of support steel plates 1, the connecting and fixing mechanism 5 is used to fix the upper and lower adjacent support steel plates 1 together. Therefore, compared with the traditional brick mold, the pre-supported steel plate mold has higher strength and rigidity, and can effectively resist the influence of external factors. The pre-supported steel plate mold can be prefabricated in the factory, improving construction efficiency and ensuring the quality of foundation construction. It also improves the stability of the upper and lower adjacent support steel plates 1, further enhancing the stability of the pre-supported steel plate mold.

[0037] Reference Figure 2 , Figure 3 and Figure 5 The connecting and fixing mechanism 5 includes a rotating block 51 fixed on the supporting steel plate 1, a supporting block 52 rotatably connected to the rotating block 51, a fixing hook 53 provided on the supporting block 52, a fixing rod 56 corresponding to the fixing hook 53 fixed on the supporting steel plate 1, a tightening component 54 provided between the fixing hook 53 and the supporting block 52, and a limit component 55 provided on the fixing hook 53.

[0038] In addition, the tightening assembly 54 includes a tightening threaded rod 541 threadedly connected to the support block 52, and a rotating head 542 rotatably connected to one end of the tightening threaded rod 541. The rotating head 542 is fixedly connected to the fixing hook 53.

[0039] Furthermore, the limiting assembly 55 includes a limiting plate 551 rotatably connected to the rotating head 542. A spring plate 552 is provided between the limiting plate 551 and the fixed hook 53. The spring plate 552 is U-shaped, and both ends of the spring plate 552 are fixedly connected to the limiting plate 551 and the fixed hook 53.

[0040] Furthermore, a limiting groove is provided at one end of the limiting plate 551, and the limiting groove corresponds to the fixing hook 53.

[0041] Furthermore, a limiting block 57 is fixed on the fixing rod 56, and the limiting block 57 corresponds to the fixing hook 53.

[0042] After stacking the support steel plates 1 together, the support block 52 rotates on the rotating block 51. The support block 52 drives the tightening threaded rod 541, which in turn drives the rotating head 542. The rotating head 542 then drives the fixing hook 53, causing the fixing hook 53 to hook onto the fixing rod 56 on the adjacent support steel plate 1. When the fixing hook 53 hooks onto the fixing rod 56, the fixing rod 56 pushes the limiting plate 551. The limiting plate 551 compresses the spring sheet 552, causing the limiting plate 551 to rotate into the fixing hook 53. After the fixing rod 56 passes the limiting plate 551, the limiting plate 551 returns to its original position under the push of the spring sheet 552. The limiting plate 551 then limits the fixing rod 56 in the fixing hook 53. Position block 57 blocks the fixing hook 53, allowing the fixing hook 53 to be stably hung on the fixing rod 56. Then, the tightening threaded rod 541 is rotated, allowing the tightening threaded rod 541 to move on the support block 52. The tightening threaded rod 541 drives the fixing hook 53, and the fixing hook 53 is firmly hung on the fixing rod 56, so that the upper and lower adjacent support steel plates 1 are firmly in contact with each other. After the upper and lower adjacent support steel plates 1 are in contact with each other, the fixing hook 53 on the support steel plate 1 is used to hang on the fixing rod 56 of another support steel plate 1. Then, the tightening threaded rod 541 drives the fixing hook 53 to tighten, thereby allowing the upper and lower adjacent support steel plates 1 to further in contact, improving the stability between the steel plates, and further improving the stability of the pre-supported steel plate mold.

[0043] Reference Figure 1 , Figure 2 and Figure 4The reinforcement mechanism 6 includes a reinforcement block 61 fixed on the support steel plate 1. A reinforcement nail 62 is slidably connected to the reinforcement block 61. A snap-fit ​​block 63 is slidably connected to the reinforcement block 61. Both the snap-fit ​​block 63 and the reinforcement nail 62 are provided with snap-fit ​​teeth, which are oriented in opposite directions. A snap-fit ​​spring 64 is provided between the reinforcement block 61 and the snap-fit ​​block 63. Both ends of the snap-fit ​​spring 64 are fixedly connected to the reinforcement block 61 and the snap-fit ​​block 63. A reinforcing block 61 is fixed onto the supporting steel plate 1 that needs to be placed in the foundation pit. Then, when the supporting steel plate 1 is against the bottom of the foundation pit, the reinforcing nail 62 passes through the reinforcing block 61 and inserts into the ground. When the reinforcing nail 62 is inserted into the ground, the locking teeth on the locking block 63 engage with the locking teeth of the reinforcing nail 62, allowing the reinforcing nail 62 on the reinforcing block 61 to be stably inserted into the soil. The reinforcing nail 62 is used to limit the support steel plate 1. By fixing the reinforcing block 61 to the supporting steel plate 1 at the bottom of the foundation pit, and allowing the reinforcing nail 62 to pass through the reinforcing block 61 and then insert into the soil, the stability of the entire steel plate formwork can be further improved.

[0044] Reference Figure 1 and Figure 2 Two symmetrical reinforcing ribs 7 are fixed on the supporting steel plate 1, and evenly distributed reinforcing ribs 8 are fixed between the two reinforcing ribs 7. The reinforcing ribs 7 and 8, both of which are angle steel, are fixed on the supporting steel plate 1 to strengthen it, thereby further improving the strength of the supporting steel plate 1.

[0045] Working Principle: During the construction of the basement foundation, the location and dimensions of the foundation are first selected. Then, the supporting steel plates 1 are manufactured in the workshop and fixed together to form a steel plate mold. Next, a corresponding mold is produced based on the depth of the foundation construction. Supporting braces 2 are then fixed between adjacent supporting steel plates 1, and misalignment grooves 1-3 and 2-4 are made on the supporting steel plates 1. When the foundation is officially constructed, the steel plate mold composed of four supporting steel plates 1 is moved to the selected foundation position. A reinforcing mechanism 6 is fixed to the bottom supporting steel plate 1. After the steel plate mold composed of supporting steel plates 1 is placed into the foundation pit, the reinforcing mechanism 6 is inserted into the ground. Then, new steel plate molds composed of supporting steel plates 1 are placed in, ensuring that the misalignment groove 2-4 on the newly placed supporting steel plate 1 engages with the misalignment groove 3 on the already placed supporting steel plate 1, allowing the supporting steel plates 1 to be stably stacked. After the supporting steel plates 1 are stacked together, the supporting block 52 rotates on the rotating block 51, causing the supporting block 52 to tighten the threaded rod. 541. Tightening the threaded rod 541 drives the rotating head 542, which in turn drives the fixing hook 53, causing it to hook onto the fixing rod 56 on the adjacent support steel plate 1. When the fixing hook 53 is hooked onto the fixing rod 56, the fixing rod 56 pushes the limiting plate 551, which in turn compresses the spring sheet 552, causing the limiting plate 551 to rotate into the fixing hook 53. After the fixing rod 56 passes the limiting plate 551, the limiting plate 551 returns to its original position under the push of the spring sheet 552. 551 limits the fixing rod 56 in the fixing hook 53, and the limiting block 57 on the fixing rod 56 blocks the fixing hook 53, so that the fixing hook 53 is stably hung on the fixing rod 56. Then, rotate the tightening threaded rod 541 to move the tightening threaded rod 541 on the support block 52. The tightening threaded rod 541 drives the fixing hook 53, and the fixing hook 53 is firmly hung on the fixing rod 56, so that the upper and lower adjacent support steel plates 1 are firmly in contact. After the steel plate formwork support is completed, the foundation construction is carried out.

Claims

1. A pre-supported steel plate formwork for basement foundation construction, comprising four symmetrically arranged supporting steel plates (1), characterized in that: The adjacent support steel plates (1) are fixedly connected at right angles, and the adjacent support steel plates (1) are fixed with support braces (2). The support steel plate (1) is provided with a misalignment groove one (3), and the support steel plate (1) is provided with a misalignment groove two (4) on the side away from the misalignment groove one (3). The support steel plate (1) is provided with two connecting and fixing mechanisms (5), and the support steel plate (1) is provided with a reinforcing mechanism (6).

2. The pre-supported steel plate formwork for basement foundation construction according to claim 1, characterized in that: The connecting and fixing mechanism (5) includes a rotating block (51) fixed on a supporting steel plate (1), a supporting block (52) rotatably connected to the rotating block (51), a fixing hook (53) provided on the supporting block (52), a fixing rod (56) corresponding to the fixing hook (53) fixed on the supporting steel plate (1), a tightening component (54) provided between the fixing hook (53) and the supporting block (52), and a limit component (55) provided on the fixing hook (53).

3. The pre-supported steel plate formwork for basement foundation construction according to claim 2, characterized in that: The tightening assembly (54) includes a tightening threaded rod (541) threadedly connected to the support block (52), one end of which is rotatably connected to a rotating head (542), and the rotating head (542) is fixedly connected to a fixing hook (53).

4. The pre-supported steel plate formwork for basement foundation construction according to claim 3, characterized in that: The limiting component (55) includes a limiting plate (551) rotatably connected to the rotating head (542). A spring plate (552) is provided between the limiting plate (551) and the fixed hook (53). The spring plate (552) is U-shaped, and both ends of the spring plate (552) are fixedly connected to the limiting plate (551) and the fixed hook (53).

5. A pre-supported steel plate formwork for basement foundation construction according to claim 4, characterized in that: One end of the limiting plate (551) has a limiting groove, which corresponds to the fixing hook (53).

6. The pre-supported steel plate formwork for basement foundation construction according to claim 2, characterized in that: A limiting block (57) is fixed on the fixing rod (56), and the limiting block (57) corresponds to the fixing hook (53).

7. The pre-supported steel plate formwork for basement foundation construction according to claim 1, characterized in that: The reinforcement mechanism (6) includes a reinforcement block (61) fixed on a supporting steel plate (1), a reinforcement nail (62) slidably connected to the reinforcement block (61), a snap-fit ​​block (63) slidably connected to the reinforcement block (61), snap-fit ​​teeth are provided on both the snap-fit ​​block (63) and the reinforcement nail (62), and they face opposite directions. A snap-fit ​​spring (64) is provided between the reinforcement block (61) and the snap-fit ​​block (63), and both ends of the snap-fit ​​spring (64) are fixedly connected to the reinforcement block (61) and the snap-fit ​​block (63).

8. The pre-supported steel plate formwork for basement foundation construction according to claim 1, characterized in that: Two symmetrical reinforcing ribs (7) are fixed on the supporting steel plate (1), and a uniformly distributed reinforcing rib (8) is fixed between the two reinforcing ribs (7).