Joggling type adjusting combined formwork at floor lifting plate

The design of the mortise and tenon joint adjustable combination template solves the problems of easy template misalignment and inconvenient construction at the traditional floor lifting platform, achieving stable splicing and efficient construction.

CN223893790UActive Publication Date: 2026-02-10SHAANXI CONSTR ENG GRP CO LTD THE FIRST BUILDING
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Patent Information

Application Number
CN202520365183.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-02-10
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

Traditional formwork support methods for floor slab lifting have quality problems, such as the square steel formwork being prone to interlacing, being heavy, inconvenient to install, and easily causing defects such as bulging and grout leakage during concrete construction.

Method used

The mortise and tenon joint adjustable combination template is adopted. By setting the inserts, angle steel, welding blocks, adjustment plates and protective components for square steel B and square steel A, the square steel can be stably spliced, avoiding cross-linking and improving splicing stability.

Benefits of technology

This effectively prevents the square steel formwork from intersecting when encountering concrete fragments, improving splicing stability and construction efficiency, and reducing construction quality defects.

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Abstract

The utility model belongs to the technical field of floor lifting plates, and discloses a joggling type adjusting combined formwork at the position of a floor lifting plate, which comprises square steel B. An inserting block is installed on the surface of the square steel B. Angle steel is installed on the surface of the square steel B. A welding block is connected between the angle steel and the inserting block in a clamping mode, and square steel A is installed on the surface of the welding block. A connecting plate is installed in a groove formed in the surface of the square steel A, first sawteeth are installed on the surface of the side, close to the angle steel, of the connecting plate, an adjusting groove is formed in the surface of the angle steel, an adjusting plate is slidably connected into the adjusting groove, and second sawteeth are installed on the surface of the side, close to the connecting plate, of the adjusting plate. The sawteeth I are meshed with the sawteeth II, and an adjusting rod is mounted on the surface of one side, far away from the square steel A, of the adjusting plate. The square steel splicing device has the advantages that the situations of staggering and the like when the square steel is spliced and combined can be avoided, and the stability of the spliced square steel is further improved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of floor lifting platform, specifically a tenon-and-mortise type adjustable combination template for floor lifting platform. Background Technology

[0002] Currently, in building construction, a traditional formwork method for floor slab lifting platforms involves using square timber and wire for suspended formwork, with corners fixed with steel nails. This method often results in numerous quality problems. Another method uses square steel pipes instead of square timber. When connecting the square steel pipe formwork, the ends are cut at a 45° angle, and then the ends are welded together to form a complete square steel formwork. Traditional square steel pipe formwork is a welded, integral square steel frame, which is heavy and inconvenient for on-site transportation, stacking, installation, and dismantling, resulting in low worker efficiency. Furthermore, dismantling the entire formwork can easily damage the concrete edges. Additionally, the traditional formwork and suspended formwork methods commonly suffer from defects such as grout leakage and protrusions under the slab in prefabricated structures. Given the characteristics of the Jiangren Jinhui City project—a prefabricated structure with numerous and large areas of floor slab lifting platforms and bathroom lifting platforms—improving the quality of the floor slab lifting platform and cast-in-place concrete construction is of paramount importance for quality control during the project's construction process.

[0003] Meanwhile, application number CN218292779U, entitled "A Mortise and Tenon Joint Square Steel Combination Mold for Floor Slab Drop," describes a mortise and tenon joint square steel combination mold for floor slab drop. This mold includes a rectangular template frame composed of four square steel pipes joined at their ends. The joints at the ends of the four square steel pipes are detachable mortise and tenon joints. Each mortise and tenon joint includes a female connector and a male connector. The female connector is located on the inner sides of the ends of two opposite square steel pipes in one group of the frame, and the male connector is located on the inner sides of the ends of two opposite square steel pipes in another group of the frame. Alternatively, the female connector and male connector can be located at the ends of a single square steel pipe. The female connector and male connector of two adjacent square steel pipes are joined together, locking the two adjacent square steel pipes horizontally, longitudinally, and laterally. This utility model uses square steel pipes as a fixed template and processes their ends into mortise and tenon joints, allowing for on-site assembly and disassembly. It is convenient to use, saves labor, and improves efficiency.

[0004] In the above-mentioned technical solution, when assembling the square steel mold, the square steel is directly spliced ​​using a tenon and mortise structure. When in use, if the assembled square steel encounters scattered concrete fragments on the floor, it is easy for the assembled square steel to move upwards, causing the square steel to interlock and affecting the splicing effect.

[0005] Therefore, a tenon-and-mortise type adjustable combination template for the floor lifting platform is proposed to address the above problems. Utility Model Content

[0006] To address the problems mentioned in the background art, this utility model provides a tenon-and-mortise type adjustable combination template for floor lifting platforms, which has the advantage of avoiding cross-cutting of square steel during splicing and further improving the stability of the square steel after splicing.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a tenon-and-mortise type adjustable combination template for a floor lifting platform, comprising a square steel B, an insert block installed on the surface of the square steel B, an angle steel installed on the surface of the square steel B, a welding block snapped between the angle steel and the insert block, a square steel A installed on the surface of the welding block, a connecting plate installed in a groove on the surface of the square steel A, a serration one installed on the side of the connecting plate near the angle steel, an adjustment groove opened on the surface of the angle steel, an adjustment plate slidably connected inside the adjustment groove, a serration two installed on the side of the adjustment plate near the connecting plate, the serration one and the serration two meshing, and a protective component installed on the surface of the angle steel.

[0008] Preferably, an adjusting rod is installed on the side of the adjusting plate away from the square steel A, one end of the adjusting rod passing through the angle steel and extending to the outside of the angle steel.

[0009] Preferably, a return spring is sleeved on the surface of the adjusting rod, one end of the return spring is connected to the adjusting rod, and the other end of the return spring is connected to the angle steel.

[0010] Preferably, the second saw tooth and the adjusting plate are engaged in a groove opened on the surface of the square steel A.

[0011] Preferably, the protective component includes a protective groove plate, one side surface of the angle steel is provided with the protective groove plate, and movable blocks are symmetrically installed on the side surface of the protective groove plate near the angle steel. The surface of the angle steel is provided with a sliding groove adapted to the movable block. The movable block is slidably connected in the sliding groove on the surface of the angle steel. A guide rod is slidably connected in a through hole on the surface of the movable block. Both ends of the guide rod pass through the movable block and are installed in the sliding groove on the surface of the angle steel.

[0012] Preferably, a second return spring is sleeved on the surface of the guide rod, one end of the second return spring is connected to the moving block, and the other end of the second return spring is installed in a groove opened on the surface of the angle steel.

[0013] Preferably, a damping strip is installed in the groove on the surface of the movable block, and the damping strip is made of "rubber" material.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model, by setting up structures such as square steel B and square steel A, stabilizes the position of the tenon joint between square steel A and square steel B, preventing square steel A and square steel B from easily moving upwards when encountering scattered concrete fragments on the floor, thus causing square steel A and square steel B to intersect and affecting the splicing effect of square steel A and square steel B.

[0016] 2. This utility model, by setting up protective components and protective groove plates, can protect the adjusting rod, preventing the adjusting rod from shifting during the splicing process, thus avoiding situations such as the square steel B and square steel A intersecting, and further improving the effectiveness of the device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the angle steel and protective channel plate of this utility model;

[0019] Figure 3 This is a schematic diagram of the fractional structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the stabilizing angle steel of this utility model;

[0021] Figure 5 This is a schematic diagram of the moving block and guide rod of this utility model.

[0022] In the diagram: 1. Square steel B; 2. Insert block; 3. Angle steel; 4. Welded block; 5. Square steel A; 6. Connecting plate; 7. Sawtooth one; 8. Adjusting groove; 9. Adjusting plate; 10. Sawtooth two; 11. Protective component; 12. Adjusting rod; 13. Return spring one; 1101. Protective groove plate; 1102. Moving block; 1103. Guide rod; 1104. Return spring two; 1105. Damping strip. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1 to 5As shown, this utility model provides a tenon-and-mortise type adjustable combination template for a floor lifting platform, including a square steel B1, an insert block 2 installed on the surface of the square steel B1, an angle steel 3 installed on the surface of the square steel B1, a welding block 4 snapped between the angle steel 3 and the insert block 2, a square steel A5 installed on the surface of the welding block 4, a connecting plate 6 installed in a groove on the surface of the square steel A5, a serration 7 installed on the side of the connecting plate 6 near the angle steel 3, and an adjustment groove 8 on the surface of the angle steel 3, with an adjustment mechanism slidably connected inside the adjustment groove 8. Plate 9, the adjusting plate 9 has a serration 10 installed on the side surface near the connecting plate 6, the serration 7 and the serration 10 mesh with each other, the surface of the angle steel 3 is equipped with a protective component 11, thereby stabilizing the position of the tenon joint of square steel A5 and square steel B1, and preventing square steel A5 and square steel B1 from being easily moved upward when encountering scattered concrete fragments on the floor, thus causing square steel A5 and square steel B1 to intersect and affecting the splicing effect of square steel A5 and square steel B1.

[0025] Specifically, an adjusting rod 12 is installed on the side of the adjusting plate 9 away from the square steel A5. One end of the adjusting rod 12 passes through the angle steel 3 and extends to the outside of the angle steel 3, thereby assisting the operator in using it and greatly improving the effectiveness of the device.

[0026] like Figures 1 to 5 As shown, a return spring 13 is sleeved on the surface of the adjusting rod 12. One end of the return spring 13 is connected to the adjusting rod 12, and the other end of the return spring 13 is connected to the angle steel 3, thereby assisting the adjusting rod 12 in resetting and improving the operating efficiency of the device.

[0027] Furthermore, the sawtooth 10 and the adjusting plate 9 are engaged in the groove opened on the surface of the square steel A5, thereby further stabilizing the position of the tenon joint between the square steel A5 and the square steel B1.

[0028] like Figures 1 to 5 As shown, the protective component 11 includes a protective groove plate 1101. The protective groove plate 1101 is provided on one side surface of the angle steel 3. Moving blocks 1102 are symmetrically installed on the side surface of the protective groove plate 1101 near the angle steel 3. A sliding groove adapted to the moving block 1102 is opened on the surface of the angle steel 3. The moving block 1102 is slidably connected in the sliding groove opened on the surface of the angle steel 3. A guide rod 1103 is slidably connected in the through hole opened on the surface of the moving block 1102. Both ends of the guide rod 1103 pass through the moving block 1102 and are installed in the sliding groove opened on the surface of the angle steel 3. The protective groove plate 1101 and other structures can protect the adjusting rod 12, preventing the adjusting rod 12 from moving during the splicing and use, thus preventing the square steel B1 and square steel A5 from intersecting, and further improving the use effect of the device.

[0029] Furthermore, a second reset spring 1104 is fitted on the surface of the guide rod 1103. One end of the second reset spring 1104 is connected to the moving block 1102, and the other end of the second reset spring 1104 is installed in a groove opened on the surface of the angle steel 3. The second reset spring 1104 can assist the moving block 1102 in resetting, thereby facilitating the operation of the operator.

[0030] It is worth emphasizing that a damping strip 1105 is installed in the groove on the surface of the moving block 1102, and the damping strip 1105 is made of "rubber" material.

[0031] Working principle and process: When square steel B1 and square steel A5 are joined by tenon and tenon joint, the operator first pushes the protective groove plate 1101, causing the protective groove plate 1101 to drive the moving block 1102 to slide in the groove opened on the surface of the angle steel 3. Then, the moving block 1102 slides on the surface of the guide rod 1103. The guide rod 1103 can guide and limit the movement of the protective groove plate 1101 to prevent the protective groove plate 1101 from shifting position during movement. At this time, the pushing force is greater than the resistance of the damping strip 1105. During the movement, the moving block 1102 drives the second return spring 1104 to deform. The second return spring 1104 can assist the moving block 1102 to reset, thus facilitating the operator's use. The protective groove plate 1101 and other structures can protect the adjusting rod 12 to prevent the adjusting rod 12 from shifting position during the splicing process, which could cause square steel B1 and square steel A5 to intersect, thus further improving the use effect of the device.

[0032] At this point, the operator pulls the adjusting rod 12, causing the adjusting rod 12 to slide the adjusting plate 9 within the adjusting groove 8 on the surface of the angle steel 3. After the adjusting plate 9 moves into the adjusting groove 8, the square steel A5 and the welding block 4 are tenoned between the angle steel 3 and the insert block 2. Then, the operator releases the adjusting rod 12, and the return spring 13 moves the adjusting rod 12 to a new position. This causes the serration 10 on the adjusting plate 9 to mesh with the serration 7 on the surface of the connecting plate 6. The serration 10 and the adjusting plate 9 are engaged in the groove on the surface of the square steel A5, thus stabilizing the tenoned position of the square steel A5 and square steel B1. This prevents the square steel A5 and square steel B1 from being easily moved upwards when encountering scattered concrete fragments on the floor, which could cause the square steel A5 and square steel B1 to intersect and affect the splicing effect.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tenon-and-mortise type adjustable combination template for floor lifting platforms, comprising square steel B(1), characterized in that: A plug (2) is installed on the surface of the square steel B (1), an angle steel (3) is installed on the surface of the square steel B (1), a welding block (4) is snapped between the angle steel (3) and the plug (2), a square steel A (5) is installed on the surface of the welding block (4), a connecting plate (6) is installed in the groove opened on the surface of the square steel A (5), a serration one (7) is installed on the side of the connecting plate (6) near the angle steel (3), an adjustment groove (8) is opened on the surface of the angle steel (3), an adjustment plate (9) is slidably connected inside the adjustment groove (8), a serration two (10) is installed on the side of the adjustment plate (9) near the connecting plate (6), the serration one (7) and the serration two (10) mesh with each other, and a protective component (11) is installed on the surface of the angle steel (3).

2. The tenon-and-mortise type adjustable combination template for floor lifting platforms according to claim 1, characterized in that: An adjusting rod (12) is installed on the side surface of the adjusting plate (9) away from the square steel A (5). One end of the adjusting rod (12) passes through the angle steel (3) and extends to the outside of the angle steel (3).

3. The tenon-and-mortise type adjustable combination template for floor lifting slabs according to claim 2, characterized in that: A return spring (13) is sleeved on the surface of the adjusting rod (12). One end of the return spring (13) is connected to the adjusting rod (12), and the other end of the return spring (13) is connected to the angle steel (3).

4. The tenon-and-mortise type adjustable combination template for floor lifting platforms according to claim 3, characterized in that: The second sawtooth (10) and the adjusting plate (9) are engaged in the groove opened on the surface of the square steel A (5).

5. The tenon-and-mortise type adjustable combination template for floor lifting slabs according to claim 1, characterized in that: The protective component (11) includes a protective groove plate (1101). The protective groove plate (1101) is provided on one side surface of the angle steel (3). A movable block (1102) is symmetrically installed on the side surface of the protective groove plate (1101) near the angle steel (3). A sliding groove adapted to the movable block (1102) is opened on the surface of the angle steel (3). The movable block (1102) is slidably connected in the sliding groove opened on the surface of the angle steel (3). A guide rod (1103) is slidably connected in the through hole opened on the surface of the movable block (1102). Both ends of the guide rod (1103) pass through the movable block (1102) and are installed in the sliding groove opened on the surface of the angle steel (3).

6. The tenon-and-mortise type adjustable combination template for floor lifting platforms according to claim 5, characterized in that: A second return spring (1104) is sleeved on the surface of the guide rod (1103). One end of the second return spring (1104) is connected to the moving block (1102), and the other end of the second return spring (1104) is installed in a groove opened on the surface of the angle steel (3).

7. The tenon-and-mortise type adjustable combination template for floor lifting platforms according to claim 6, characterized in that: A damping strip (1105) is installed in a groove on the surface of the movable block (1102), and the damping strip (1105) is made of "rubber" material.

Citation Information

Patent Citations

  • Joggling type square steel combined die at floor descending plate

    CN218292779U