Basement top plate post-cast strip supporting device
By combining disc-lock scaffolding and top support structure, the problems of non-reusability of materials and inconvenient construction access in traditional formwork systems are solved, realizing the reuse of materials and optimization of construction space, thereby improving construction efficiency and cost-effectiveness.
Patent Information
- Application Number
- CN202520462612.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Traditional basement post-cast strip formwork systems result in scaffolding materials that cannot be reused and make construction access inconvenient.
The system employs a disc-lock scaffold and a top-support structure. The disc-lock scaffold provides initial support for the formwork of the post-cast strip. Once the concrete reaches its strength, the scaffold is removed, and the top-support structure is used to continue providing support, thus achieving material reuse. The installation elevation is precisely adjusted using components such as expansion columns and limit pins.
This enabled the reuse of scaffolding materials, increased the construction operation space, reduced construction costs, and improved the convenience and efficiency of construction.
Smart Images

Figure CN223922694U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction equipment technology, and in particular to a support device for post-pouring strips on basement roof slabs. Background Technology
[0002] With the rapid development of my country's construction industry and the continuous rise in urban population, the available land in cities is gradually decreasing, and the surface space available for development is shrinking. Against this backdrop, the development and utilization of basement space has become a new direction for urban development. In new residential projects, the construction of basements is becoming increasingly common, especially underground parking garages, which has led to a growing demand for the design of post-cast strips in basements.
[0003] The construction of post-pouring strips is usually carried out in sections according to the defined areas. The traditional post-pouring strip formwork system generally consists of a frame made of scaffolding erected on both sides as a back support. Within the driving range of the basement roof slab, construction vehicles need to travel according to the pre-planned route. As a result, the back support within the driving range cannot be dismantled and transferred to other construction areas of the post-pouring strip, resulting in a long-term accumulation of a large amount of scaffolding materials. This not only makes it impossible to reuse materials on site in a timely manner, but also makes passage in the post-pouring strip area extremely inconvenient due to the presence of scaffolding. Utility Model Content
[0004] The purpose of this utility model is to provide an effective support structure for the post-cast strip of the basement roof slab that facilitates the repeated reuse of scaffolding materials.
[0005] This utility model is implemented by the following technical solution: a basement roof slab post-pouring strip support device, which includes a disc-lock scaffold, a top support structure, a top screw U-shaped support, square steel main ribs, and timber secondary ribs; the top screw U-shaped support is inserted through the top of the vertical steel pipe of the disc-lock scaffold, and the square steel main ribs are supported on the U-shaped supports of the longitudinally arranged top screw U-shaped supports, and the timber secondary ribs are horizontally overlapped on each longitudinal square steel main rib; the top support structure is arranged longitudinally at intervals inside the disc-lock scaffold, and the top support structure includes a base, a telescopic column, and a support top plate; the bottom end of the telescopic column is connected to the base, and the top end of the telescopic column is connected to the support top plate.
[0006] Furthermore, it includes three telescopic columns arranged in a triangular pattern. Each telescopic column includes a sleeve, a vertical column passing through the bottom end of the sleeve, and a telescopic top rod passing through the top end of the sleeve. The bottom end of the vertical column is fixedly connected to the base. The vertical column is provided with external threads and is fitted with an adjusting nut that abuts against the bottom end of the sleeve. The telescopic top rod is provided with a plurality of through holes spaced apart, and the sleeve is inserted with a limiting pin that passes through the corresponding through hole.
[0007] Furthermore, a sleeve is fixed on the top support plate and sleeved on the corresponding telescopic rod. A locking screw is threaded through the sleeve and the end of the locking screw is pressed against the corresponding telescopic rod.
[0008] Furthermore, two or more rows of horizontal pull plates are fixed between two adjacent sleeves, and diagonal pull plates are fixed between corresponding horizontal pull plates.
[0009] Furthermore, clamps are fixedly fitted onto the transverse steel pipes of the disc-lock scaffold on both sides of the top support structure, and support plates are fixed onto the clamps; a transverse connecting plate is fixed between two adjacent telescopic top rods of the top support structure, and two support connecting rods are symmetrically swaying on the transverse connecting plate; tapered pins are screwed to the transverse pull plates below the support plate and the support connecting rods, and the bottom end of the support connecting rod is movably fitted onto the corresponding tapered pin.
[0010] Furthermore, the supporting connecting rod includes two rod sections and a turnbuckle connecting the two rod sections.
[0011] Furthermore, reinforcing ribs are fixed between the outer wall of the column and the base, and between the outer wall of the sleeve and the supporting top plate.
[0012] The advantages of this utility model are as follows: During construction, the disc-lock scaffolding and top support structure of this utility model are erected to support the formwork of the post-pouring strip, thereby enhancing its load-bearing capacity. After the post-pouring strip construction is completed and the concrete reaches the required strength, the disc-lock scaffolding is dismantled, and the top support structure continues to support both sides of the post-pouring strip within the driving route. The dismantled disc-lock scaffolding material can be reused in other construction areas, realizing material turnover and reuse, and reducing construction costs. Moreover, the top support structures are arranged opposite each other at intervals, increasing the usable space for basement construction operations and facilitating the construction work of construction personnel and machinery.
[0013] When erecting the top support structure, after adjusting the position of the telescopic top rod according to the support height, the limit pin is inserted into the corresponding through hole to achieve the limit; then, by rotating the adjusting nut, the overall height of the telescopic column is finely adjusted to achieve precise adjustment of the installation elevation, thereby making the support top plate in close contact with the template. Attached Figure Description
[0014] Figure 1 This is a top view of the arrangement of the support formwork for the post-pouring strip according to this utility model.
[0015] Figure 2 This is a schematic diagram of the structure of this utility model.
[0016] Figure 3This is a schematic diagram of the top support structure described in this utility model.
[0017] Figure 4 for Figure 3 AA sectional view.
[0018] The components in the attached diagram are labeled as follows: 1. Disc-lock scaffolding; 2. Top screw U-shaped support; 2.1. U-shaped bracket; 2.2. Threaded rod; 3. Square steel main joist; 4. Timber secondary joist; 5. Top support structure; 5.1. Base; 5.2. Telescopic column; 5.2. Sleeve; 5.2. Column; 5.2. 5.2. Telescopic top rod; 5.2. 5.2. 3. Through hole; 5.2. 3. 1. Support top plate; 5.3. Adjusting nut; 5.4. Limit pin; 5.5. Sleeve; 5.6. Locking screw; 5.7. Horizontal tie plate; 5.8. Diagonal tie plate; 5.9. Horizontal connecting plate; 5.10. Reinforcing rib plate; 5.11. Hoop; 6. Support plate; 7. Support connecting rod; 9. Member; 9.1. Turnbuckle; 9.2. Tapered pin; 10. Formwork; 11. Post-pouring strip; 12. Detailed Implementation
[0019] 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.
[0020] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "front", "rear", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0021] like Figures 1 to 4As shown, this embodiment provides a support device for the post-cast strip of a basement roof slab, which includes a disc-lock scaffold 1, a back-top support structure 5, a U-shaped support with top screws 2, square steel main ribs 3, and wooden secondary ribs 4. The screw rods 2.2 of the U-shaped support 2 are threaded through the vertical steel pipes of the disc-lock scaffold 1. Square steel main ribs 3 are supported on the U-shaped supports 2.1 of the longitudinally arranged U-shaped supports 2. Each longitudinal square steel main rib 3 is horizontally overlapped with a spaced wooden secondary rib 4, which directly contacts the template 11 of the post-cast strip 12. The back-top support structure 5 is arranged longitudinally and spaced within the disc-lock scaffold 1. The back-top support structure 5 includes a base 5.1, a telescopic column 5.2, and a support top plate 5.3. The bottom end of the telescopic column 5.2 is connected to the base 5.1, and the top end of the telescopic column 5.2 is connected to the support top plate 5.3. The top support plate 5.3 is in direct contact with the formwork 11 of the post-pouring strip 12. During construction, the disc-lock scaffold 1 and the back-top support structure 5 of this utility model are erected to support the formwork 11 of the post-pouring strip 12, which can enhance the load-bearing capacity. After the construction of the post-pouring strip 12 is completed and the concrete reaches the required strength, the disc-lock scaffold 1 is dismantled, and the back-top support structure 5 continues to support both sides of the post-pouring strip 12 within the driving route. The dismantled disc-lock scaffold 1 material can be reused in other construction areas, realizing the turnover and reuse of materials and reducing construction costs. Moreover, each back-top support structure 5 is arranged opposite to each other at intervals, which increases the space for basement construction operations and facilitates the construction work of construction personnel and construction machinery.
[0022] Each top support structure 5 includes three telescopic columns 5.2 arranged in a triangle to improve its stability; each telescopic column 5.2 includes a sleeve 5.21, a column 5.22 passing through the bottom end of the sleeve 5.21, and a telescopic rod 5.23 passing through the top end of the sleeve 5.21; the lifting height of the telescopic rod 5.23 can be adjusted according to the height of the support, making it suitable for basement construction at different heights and highly versatile; the telescopic rod 5.23 has several through holes 5.231 spaced apart, and the sleeve 5.21 is inserted with corresponding through holes 5.231. Limiting pin 5.5 on through hole 5.231; after initially adjusting the position of telescopic top rod 5.23, limiting pin 5.5 is inserted into the corresponding through hole 5.231 to achieve limiting; the bottom end of column 5.22 is fixedly connected to base 5.1, column 5.22 is provided with external thread and fitted with adjusting nut 5.4 which is screwed to abut the bottom end of sleeve 5.21; by rotating adjusting nut 5.4, the height of telescopic column 5.2 is finely adjusted to achieve precise adjustment of installation elevation, thereby making the supporting top plate 5.3 in close contact with template 11.
[0023] A sleeve 5.6 is fixed on the supporting top plate 5.3 and sleeved on the corresponding telescopic top rod 5.23. The top end of the telescopic top rod 5.23 abuts against the supporting top plate 5.3. A locking screw 5.7 is screwed through the sleeve 5.6. The end of the locking screw 5.7 is tightened against the corresponding telescopic top rod 5.23. The supporting top plate 5.3 can be easily disassembled and assembled by tightening and loosening the locking screw 5.7. Reinforcing ribs 5.11 are fixed between the outer wall of the column 5.22 and the base 5.1, and between the outer wall of the sleeve 5.6 and the supporting top plate 5.3 to strengthen the supporting function.
[0024] Two or more rows of horizontal tie plates 5.8 are fixed between two adjacent sleeves 5.21, and diagonal tie plates 5.9 are fixed between the corresponding horizontal tie plates 5.8 to improve the support strength of the telescopic column 5.2 body.
[0025] On both sides of the top support structure 5, clamps 6 are fixed to the transverse steel pipes of the disc-lock scaffold 1, and support plates 7 are fixed to the clamps 6; a transverse connecting plate 5.10 is fixed between two adjacent telescopic top rods 5.23 of the top support structure 5, and two support connecting rods 9 are symmetrically swaying on the transverse connecting plate 5.10. The support connecting rod 9 includes two rod sections 9.1 and turnbuckles 9.2 connecting the two rod sections 9.1; tapered pins 10 with threaded tails are screwed to the transverse tie plates 5.8 below the support plate 7 and the support connecting rod 9, and the bottom end of the support connecting rod 9 is movably sleeved. On the corresponding tapered pin 10; during the erection process, the bottom ends of the two corresponding support connecting rods 9 on the top support structure 5 are respectively connected to the support plates 7 of the two side clamps 6 using tapered pins 10, so that the top support structure 5 and the disc-lock scaffold 1 can be detachably connected, thereby improving the overall stability; after the disc-lock scaffold 1 is removed, the length of the support connecting rod 9 is adjusted by the turnbuckle 9.2, and the bottom end of the support connecting rod 9 is connected to the transverse tie plate 5.8 of the corresponding top support structure 5 using tapered pins 10, thereby improving the support strength of the top support structure 5.
[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A basement roof post-cast strip support device, characterized by, It includes disc buckle scaffold, back support structure, top wire U-shaped support, square steel main beam and wooden square sub-beam; The top end of the vertical steel pipe of the disc buckle scaffold is provided with the top wire U-shaped support, the U-shaped support of the longitudinal top wire U-shaped support is provided with the square steel main beam, and the longitudinal square steel main beam is transversely connected with the spaced square sub-beam. The back support structure is arranged along the longitudinal direction in the disc buckle scaffold, and the back support structure comprises a base, a telescopic column and a support top plate.
2. The basement roof band of joint support device according to claim 1, characterized in that, Each telescopic column comprises a sleeve, a stand column penetrating the bottom end of the sleeve and a telescopic top rod penetrating the top end of the sleeve. The bottom end of the stand column is fixedly connected with the base, the stand column is provided with an external thread and is sleeved with an adjusting nut abutting against the bottom end of the sleeve, and the telescopic top rod is provided with a plurality of through holes.
3. The basement roof band of joint support device according to claim 2, characterized in that, The support top plate is fixedly provided with a sleeve sleeved on the telescopic top rod, the sleeve is provided with a locking screw penetrating and sleeving the telescopic top rod, and the end of the locking screw abuts against the telescopic top rod.
4. The basement roof band of joint support device according to claim 2, characterized in that, The two adjacent sleeves are fixedly provided with more than two rows of horizontal pull plates, and the horizontal pull plates are fixedly provided with inclined pull plates.
5. The basement roof band of joint support apparatus according to claim 4, characterized by, The horizontal steel pipes of the disc buckle scaffold on both sides of the back support structure are fixedly provided with hoops, and the hoops are fixedly provided with support plates.
6. The basement roof band of joint support apparatus according to claim 5, wherein, The two adjacent telescopic top rods of the back support structure are fixedly provided with a horizontal connecting plate, and the horizontal connecting plate is symmetrically provided with two support connecting rods.
7. The basement roof deck post-cast strip support apparatus according to claim 3, wherein, The support connecting rod comprises two rod members and a basket bolt connected between the two rod members. The outer wall of the stand column and the base and the outer wall of the sleeve and the support top plate are fixedly provided with reinforcing rib plates.