Interior support sump formwork system

Abstract

A kind of inner support sump formwork system, including side formwork, end formwork and bottom formwork constitute square groove body, sump side reinforcement system is equipped at the outside of side formwork, bottom reinforcement system is equipped at the bottom of bottom formwork;The square groove body is equipped with inner support bracket, inner support bracket includes several square frame bodies arranged at equal intervals, square frame body is mainly composed of longitudinal bar and transverse bar that are connected longitudinally and transversely, the both ends of transverse bar are supported between two side formworks, the both ends of longitudinal bar are supported between two end formworks;The inner side of the upper end of side formwork is equipped with side reinforcing bar, the inner side of the upper end of end formwork is equipped with end reinforcing bar;The sump is supported by transverse bar and longitudinal bar that are fixedly connected in square frame body to the inner side of formwork, form high-strength formwork inner support structure, in combination with reinforcing bar set on the upper end of formwork, the stability of formwork system can be fully guaranteed, and it is not necessary to operate tensioning screw rod, reduce construction difficulty, conducive to improving construction efficiency.

Description

Technical Field

[0001] This utility model relates to the field of building sump pits, and in particular to an internally supported sump pit formwork system. Background Technology

[0002] Basement sump pits are crucial components of basement drainage systems, primarily used to collect and pump out rainwater, seepage water, pipe maintenance drainage, and equipment drainage from the basement floor. They also serve as temporary water storage to alleviate drainage pressure during emergencies such as heavy rain. Their location must be determined based on the basement's function, and they are commonly found near entrances, around equipment rooms, and in low-lying areas of underground parking garages. Structurally, they are typically constructed by integrally casting reinforced concrete with the basement floor slab. Their depth is usually 1.5–2.5 meters, with planar dimensions of 0.8–2 meters. The volume must be sufficient to pump water for 5–10 minutes. The inner walls are waterproofed, and the bottom has a 1%–2% slope towards the pump's suction inlet. Construction of the sump pit requires a square trench structure supported by formwork. After the surrounding raft slab is poured, the sump pit is formed. Currently, the formwork support for the sump pit usually uses long tie rods for fixing. However, threading the tie rods through the reinforced concrete system is cumbersome, and the support strength is unstable, easily leading to formwork bulging. This method needs improvement. Utility Model Content

[0003] To address the aforementioned problems, this utility model proposes an internally supported sump template system.

[0004] The technical solution of this utility model is: an internally supported sump template system, comprising a square trench composed of side templates, end templates, and bottom templates. A pit side reinforcement system is provided on the outside of the side templates, and a raft reinforcement system is provided on the outside of the pit side reinforcement system. A pit bottom reinforcement system is provided on the bottom surface of the bottom template. An internal support bracket is provided inside the square trench to provide support for the surrounding templates, making them stable. The internal support bracket includes several square frames arranged at equal intervals. The overall size of the square frames matches the cross-sectional size of the square trench. The square frames are mainly composed of transverse and longitudinal bars connected in a crisscross pattern. The two ends of the transverse bars are supported between the two side templates, and the two ends of the longitudinal bars are supported between the two end templates.

[0005] Preferably, the inner side of the upper end of the side template is provided with a side reinforcing rod, which is nailed to the side template with nails, and the inner side of the upper end of the end template is provided with an end reinforcing rod, which is nailed to the end template with nails.

[0006] Preferably, the inner side of the side template is provided with a number of square wooden rods, the length of which is the same as the length of the side template. The longitudinal rods on both sides of the square frame are supported between the outer sides of these square wooden rods and press against the square wooden rods.

[0007] Preferably, the inner side of the end template is provided with a plurality of square wooden rods, the length of which is the same as the height of the end template. The transverse rods at both ends of the square frame are supported between the outer sides of these square wooden rods and press the square wooden rods against the end template.

[0008] Preferably, the surface of the bottom template is uniformly provided with several square wooden rods, the length of which is the same as the width of the bottom template, and the horizontal and vertical rods in the bottom square frame are all supported on the square wooden rods.

[0009] Preferably, at least two auxiliary rods are arranged side by side in the middle of the square frame, and the auxiliary rods are fixedly connected to each square frame in sequence to provide support for each square frame.

[0010] Preferably, the longitudinal rods, transverse rods, and auxiliary rods are all steel pipes, and the diameters of the various steel pipe rods are the same. The junctions of the longitudinal rods and transverse rods, as well as the junctions of the auxiliary rods and transverse rods, are all fixedly connected by cross-locking buckles.

[0011] The beneficial technical effects of this utility model are as follows: The sump formwork system is equipped with an internal support frame, and multiple square frames covering the internal space of the formwork are set at equal intervals inside the internal support frame. The inner side of the formwork is supported by horizontal and vertical rods that are fixedly connected to each other inside the square frames, forming a high-strength internal support structure for the formwork. Combined with the reinforcing rods set at the upper end of the formwork, the stability of the formwork system can be fully guaranteed, and the operation of tie rods is not required, which reduces the construction difficulty and helps to improve construction efficiency. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 yes Figure 1 A schematic diagram of the structure after the removal of the side reinforcement system in the pit; Figure 3 yes Figure 2 A schematic diagram of the AA-direction cross-section (the steel reinforcement system at the bottom of the pit is hidden). Figure 4 yes Figure 3 Schematic diagram of the BB-direction cross-section structure; Figure 5 This is a schematic diagram of the internal structure of this utility model.

[0013] In the diagram, 11. Side formwork, 12. End formwork, 13. Bottom formwork, 14. Side reinforcing bar, 15. End reinforcing bar, 16. Square timber bar, 21. Pit side reinforcement system, 22. Pit bottom reinforcement system, 03. Internal support bracket, 3. Square frame, 31. Horizontal bar, 32. Longitudinal bar, 33. Cross lock, 34. Auxiliary bar. Detailed Implementation

[0014] Example 1, see appendix Figure 1-5 An internally supported sump template system includes a square trench composed of side templates 11, end templates 12, and bottom templates 13. The dimensions of the square trench are the dimensions of the sump. A side reinforcement system 21 is provided on the outside of the side templates 11, and a bottom reinforcement system 22 is provided on the bottom surface of the bottom template 13. The side reinforcement system 21 is connected to the raft slab reinforcement system. After pouring concrete, it forms the sidewall of the sump. The bottom reinforcement system 22 is connected to the side reinforcement system 21. After pouring, it forms the bottom slab of the sump. An internal support bracket 03 is provided inside the square trench. The internal support bracket 03 includes several square frames 3 arranged at equal intervals. The square frames are all horizontally arranged. The square frames 3 are mainly composed of transverse bars 31 and longitudinal bars 32 connected in a crisscross pattern. The two ends of the transverse bars 31 are supported between the two side templates 11, and the two ends of the longitudinal bars 32 are supported between the two end templates 12.

[0015] The inner side of the upper end of the side template 11 is provided with a side reinforcing rod 14, and the inner side of the upper end of the end template 12 is provided with an end reinforcing rod 15. The side reinforcing rod and the end reinforcing rod form a reinforcing rib structure at the upper edge of the template to improve the template's resistance to deformation.

[0016] At least two auxiliary rods 34 are arranged side by side in the middle of the square frame 3. The auxiliary rods 34 are fixedly connected to each square frame 3 in sequence. The auxiliary rods 34 fix the multi-layer square frame 3 into a whole in the middle, thereby improving the overall stability of the internal support.

[0017] The longitudinal rod 32, the transverse rod 31, and the auxiliary rod 34 are all made of steel pipe. The joints between the longitudinal rod 32 and the transverse rod 31, as well as the joints between the auxiliary rod 34 and the transverse rod 31, are all fixedly connected by cross locks 33. The steel pipes have high strength and rigidity and can be quickly fixedly connected by cross locks 33, which improves the convenience and efficiency of installing the internal support bracket 03.

[0018] The internal support sump formwork system of this embodiment is equipped with an internal support bracket 03. The internal support bracket 03 contains multiple square frames 3 that cover the internal space of the formwork at equal intervals. Each square frame 3 is an independent support unit. The inner side of the formwork is supported by horizontal bars 31 and vertical bars 32 that are fixedly connected to each other within the square frame 3. This creates uniform horizontal support points on the side of the formwork, forming a high-strength internal support structure. Combined with the reinforcing bars set at the upper end of the formwork to form a reinforcing rib structure, the stability of the formwork system can be fully guaranteed, the construction difficulty can be reduced, and the construction efficiency can be improved.

[0019] Example 2, see appendix Figure 1-5This embodiment is basically the same as Embodiment 1, and the similarities will not be repeated. The differences are as follows: the inner side of the side template 11 is evenly provided with several square wooden rods 16, which are arranged parallel to each other. The longitudinal rods 32 on both sides of the square frame 3 are supported between the outer sides of these square wooden rods 16. The inner side of the end template 12 is evenly provided with several square wooden rods 16, which are arranged parallel to each other. The transverse rods 31 at both ends of the square frame 3 are supported between the outer sides of these square wooden rods 16. The surface of the bottom template 13 is evenly provided with several square wooden rods 16, which are arranged parallel to each other. The transverse rods 31 and longitudinal rods 32 in the bottom square frame 3 are both supported on the square wooden rods 16. A full-coverage reinforcement structure is formed on the inner side of the template system.

[0020] This embodiment forms a reinforced frame by setting square wooden poles 16 on the end formwork 12, side formwork 11 and bottom formwork 13. The rigidity of the formwork is improved by reinforcing the frame, and the concrete pressure is evenly transmitted to the internal support bracket 03, which effectively counteracts the lateral thrust, prevents the formwork from deforming and ensures the pouring quality of the sump pit.

Claims

1. A formwork system for an internally supported sump pit, characterized in that: The square trench body comprises side formwork, end formwork, and bottom formwork. A pit-side reinforcement system is provided on the outside of the side formwork, and a pit-bottom reinforcement system is provided on the bottom surface of the bottom formwork. An internal support frame is provided inside the square trench body. The internal support frame comprises several square frames arranged at equal intervals. The square frames are mainly composed of transverse and longitudinal bars connected in a crisscross pattern. The two ends of the transverse bars are supported between the two side formworks, and the two ends of the longitudinal bars are supported between the two end formworks.

2. The internally supported sump template system according to claim 1, characterized in that: The inner side of the upper end of the side template is provided with a side reinforcing rod, and the inner side of the upper end of the end template is provided with an end reinforcing rod.

3. The internally supported sump template system according to claim 1, characterized in that: The inner side of the side template is evenly provided with several square wooden rods, and the longitudinal rods on both sides of the square frame are supported between the outer sides of these square wooden rods.

4. The internally supported sump template system according to claim 3, characterized in that: The inner side of the end template is evenly provided with several square wooden rods, and the transverse rods at both ends of the square frame are supported between the outer sides of these square wooden rods.

5. The internally supported sump template system according to claim 4, characterized in that: The surface of the bottom template is evenly provided with several square wooden rods, and the horizontal and vertical rods in the bottom square frame are all supported on the square wooden rods.

6. The internally supported sump template system according to claim 1, characterized in that: At least two auxiliary rods are arranged side by side in the middle of the square frame, and the auxiliary rods are fixedly connected to each square frame in sequence.

7. The formwork system for an internally supported sump pit according to claim 6, characterized in that: The longitudinal rods, transverse rods, and auxiliary rods are all made of steel pipes, and the joints between the longitudinal rods and transverse rods, as well as the joints between the auxiliary rods and transverse rods, are fixedly connected by cross-locking buckles.

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