A single-sided formwork support device for basement interior wall

By using a support device consisting of multiple detachable vertical and longitudinal back braces in the construction of the basement inner lining wall, combined with adjustable support feet and diagonal braces to form a stable structure, the problems of difficulty in adjusting and leakage risk of the single-sided formwork support system are solved, achieving stable support and efficient construction.

CN118309256BActive Publication Date: 2026-07-31SHANGHAI CONSTRUCTION NO 7 (GROUP) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI CONSTRUCTION NO 7 (GROUP) CO LTD
Filing Date
2024-04-16
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

During the construction of the basement interior wall, the height of the single-sided formwork support system is difficult to adjust, the support is unstable when the ground is uneven, and the tie rod system has the risk of leakage, increasing maintenance costs.

Method used

The support device consists of multiple detachable vertical and longitudinal back ribs, combined with adjustable support legs and diagonal braces to form a stable triangular and quadrilateral structure. The stability of the support structure is achieved through bolt connection, without the need for tie rods or pre-installed anchors on the base plate.

Benefits of technology

It provides stable support for the construction of basement interior walls, has good waterproofing, is easy to assemble, reduces construction costs and maintenance risks, and improves work efficiency.

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Abstract

This invention relates to a single-sided formwork support device for a basement interior wall, comprising multiple vertical back ribs detachably fixed to the outside of the single-sided formwork and spaced apart along the longitudinal direction of the single-sided formwork. Multiple longitudinal back ribs are fixed at intervals along the vertical direction of the rib body formed by the multiple vertical back ribs. Multiple vertical tie rods are fixed to the outside of the rib body formed by the multiple longitudinal back ribs. A top horizontal connecting rod, a middle horizontal connecting rod, and a bottom horizontal rod are respectively fixed to the top, middle, and bottom of the outer side of the vertical tie rods. The outer end of the top horizontal connecting rod is connected to the top of a first diagonal brace, the outer end of the middle horizontal connecting rod is connected to the upper part of the first diagonal brace, and the bottom end of the first diagonal brace is connected to the lower part of the vertical tie rod. The vertical tie rods, the top horizontal connecting rod, and the first diagonal brace form a triangle. The lower part of the first diagonal brace is connected to the top of a second diagonal brace, and the bottom of the second diagonal brace is connected to the outer end of the bottom horizontal rod.
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Description

Technical Field

[0001] This invention relates to the field of backfill construction technology for lining wall structures in building construction, and in particular to a single-sided formwork construction method for inner lining walls used in the construction of inner walls of basements. Background Technology

[0002] The support system for single-sided formwork is highly demanding during the construction of basement interior walls. Common single-sided formwork needs to be fixed to anchors pre-installed in the base slab, requiring subsequent repairs to the base slab. When the ground is uneven, it is difficult to adjust the height of the single-sided formwork support to a uniform height. In addition, when using tie rod system for formwork support, reinforcement bars need to be installed in the retaining wall. After the single-sided formwork is removed after construction, there is a risk of leakage in the tie rod holes, resulting in increased maintenance costs. Summary of the Invention

[0003] This invention addresses the problems and shortcomings of existing technologies by providing a single-sided formwork support device for basement interior walls.

[0004] The present invention solves the above-mentioned technical problems through the following technical solution:

[0005] The present invention provides a single-sided formwork support device for a basement interior wall, characterized in that multiple vertical back ribs are detachably fixed to the outside of the single-sided formwork at intervals along the longitudinal direction of the single-sided formwork, and multiple longitudinal back ribs are fixed to the rib body formed by the multiple vertical back ribs at intervals along the vertical direction, and multiple vertical tie rods are fixed to the outside of the rib body formed by the multiple longitudinal back ribs.

[0006] Each vertical tie rod has a top horizontal connecting rod, a middle horizontal connecting rod, and a bottom horizontal rod fixed to its outer top, middle, and bottom sides, respectively. The outer end of the top horizontal connecting rod is connected to the top of the first diagonal brace, the outer end of the middle horizontal connecting rod is connected to the upper part of the first diagonal brace, and the bottom end of the first diagonal brace is connected to the lower part of the vertical tie rod. The vertical tie rod, the top horizontal connecting rod, and the first diagonal brace form a triangle to enhance the stability of the support structure. The lower part of the first diagonal brace is connected to the top of the second diagonal brace, and the bottom of the second diagonal brace is connected to the outer end of the bottom horizontal rod. The lower part of the first diagonal brace, the lower part of the vertical tie rod, the second diagonal brace, and the bottom horizontal rod form a quadrilateral to enhance the stability of the support structure.

[0007] It also includes multiple adjustable support legs. Each pair of adjustable support legs is fixed to the inner and outer ends of the bottom of the bottom horizontal bar. Each adjustable support leg includes a support column, a base and a locking nut. The lower part of the support column is threaded to the upper part of the base. When the base is adjusted to a suitable height, the support column and the base are locked and fixed by the locking nut that is pre-fitted onto the support column.

[0008] Preferably, it also includes a first diagonal link and a second diagonal link. The top end of the first diagonal link is connected to the inner end of the top horizontal link, and the bottom end of the first diagonal link is connected to the upper part of the first diagonal brace. The connection point is located above the connection point of the middle horizontal link and the first diagonal brace. The top end of the second diagonal link is connected to the inner end of the top horizontal link. The connection point is located inside the connection point of the first diagonal link and the top horizontal link. The bottom end of the second diagonal link is connected to the upper end of the vertical tie rod. The connection point is located above the connection point of the vertical tie rod and the middle horizontal link.

[0009] Preferably, the vertical back ribs are arranged vertically and uniformly at equal intervals, the longitudinal back ribs are arranged longitudinally and uniformly at equal intervals, and the vertical tie rods are arranged vertically and uniformly at equal intervals.

[0010] Preferably, both the vertical back ribs and the longitudinal back ribs are I-shaped double-channel steel.

[0011] Preferably, the vertical tie rod, the top horizontal connecting rod, and the first diagonal brace are connected to form a right-angled triangle.

[0012] Preferably, the top horizontal connecting rod and the first diagonal brace, the first diagonal brace and the second diagonal brace, the second diagonal brace and the bottom horizontal rod, and the vertical back rib and the longitudinal back rib are all connected by bolts.

[0013] Preferably, the single-sided formwork includes wooden formwork and steel formwork.

[0014] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of the present invention.

[0015] The positive and progressive effects of this invention are as follows:

[0016] The construction of the basement lining wall does not require the use of tie rods for reinforcement, nor does it require the pre-reservation of anchors in the base slab. The poured lining wall concrete has good waterproof effect, is easy to assemble, is highly economical, and the formwork is convenient to hoist, move, disassemble and transport. Attached Figure Description

[0017] Figure 1 This is an installation structure diagram of a single-sided formwork support device for a basement lining wall, according to a preferred embodiment of the present invention.

[0018] Figure 2 This is a structural installation diagram of the vertical back rib of a preferred embodiment of the present invention.

[0019] Figure 3 This is a structural installation diagram of the longitudinal back rib of a preferred embodiment of the present invention. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] like Figure 1-3 As shown, this embodiment provides a single-sided formwork support device for a basement interior wall, including multiple vertical back ribs 1 that are detachably fixed to the outside of the single-sided formwork 3 and spaced apart along the longitudinal direction of the single-sided formwork 3. Multiple longitudinal back ribs 2 are fixed at intervals along the vertical direction of the rib body formed by the multiple vertical back ribs 1, and multiple vertical tie rods 4 are fixed to the outside of the rib body formed by the multiple longitudinal back ribs 2.

[0022] Each vertical tie rod 4 has a top horizontal connecting rod 8, a middle horizontal connecting rod 7, and a bottom horizontal rod 5 fixed to its outer top, middle, and bottom sides, respectively. The outer end of the top horizontal connecting rod 8 is connected to the top of the first diagonal brace 10, the outer end of the middle horizontal connecting rod 7 is connected to the upper part of the first diagonal brace 10, and the bottom end of the first diagonal brace 10 is connected to the lower part of the vertical tie rod 4. The vertical tie rod 4, the top horizontal connecting rod 8, and the first diagonal brace 10 form a triangle to enhance the stability of the support structure. The lower part of the first diagonal brace 10 is connected to the top of the second diagonal brace 11, and the bottom of the second diagonal brace 11 is connected to the outer end of the bottom horizontal rod 5. The lower part of the first diagonal brace 10, the lower part of the vertical tie rod 4, the second diagonal brace 11, and the bottom horizontal rod 5 form a quadrilateral to enhance the stability of the support structure.

[0023] There are multiple adjustable support legs 12. Each pair of adjustable support legs 12 is fixed to the inner and outer ends of the bottom horizontal bar 5. Each adjustable support leg 12 includes a support column, a base and a locking nut. The lower part of the support column is threaded to the upper part of the base. When the height of the adjustable support leg 12 is adjusted, when the height of the base is in the appropriate position, the locking nut pre-fitted on the support column will lock the support column and the base in place.

[0024] In addition, the top end of the first diagonal link 9 is connected to the inner end of the top horizontal link 8, the bottom end of the first diagonal link 9 is connected to the upper part of the first diagonal brace 10, and the connection point is located above the connection point of the middle horizontal link 7 and the first diagonal brace 10. The top end of the second diagonal link 6 is connected to the inner end of the top horizontal link 8, and the connection point is located inside the connection point of the first diagonal link 9 and the top horizontal link 8. The bottom end of the second diagonal link 6 is connected to the upper end of the vertical tie rod 4, and the connection point is located above the connection point of the vertical tie rod 4 and the middle horizontal link 7.

[0025] The top horizontal connecting rod 8 and the first diagonal brace 10, the first diagonal brace 10 and the second diagonal brace 11, the second diagonal brace 11 and the bottom horizontal rod 5, the vertical back rib 1 and the longitudinal back rib 2, and the single-sided template and the vertical back rib are all connected by bolts 13.

[0026] During construction, the various parts are connected by bolts 13, which makes assembly and disassembly convenient and greatly improves work efficiency. In addition, the support adopts a triangular structure, which has high strength and firm support, and strong construction safety. Practicality can be achieved by adjusting the height of each adjustable support leg 12, so as to adapt to uneven construction sites.

[0027] While specific embodiments of the present invention have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but all such changes and modifications fall within the scope of protection of the present invention.

Claims

1. A basement lining wall single-sided formwork support device characterized by, It includes multiple vertical back ribs that are detachably fixed to the outside of a single-sided template and spaced apart along the longitudinal direction of the single-sided template. The rib body formed by the multiple vertical back ribs is fixed with multiple longitudinal back ribs at intervals along the vertical direction, and multiple vertical tie rods are fixed to the outside of the rib body formed by the multiple longitudinal back ribs. Each vertical tie rod has a top horizontal connecting rod, a middle horizontal connecting rod, and a bottom horizontal rod fixed to its outer top, middle, and bottom sides, respectively. The outer end of the top horizontal connecting rod is connected to the top of the first diagonal brace, the outer end of the middle horizontal connecting rod is connected to the upper part of the first diagonal brace, and the bottom end of the first diagonal brace is connected to the lower part of the vertical tie rod. The vertical tie rod, the top horizontal connecting rod, and the first diagonal brace form a triangle to enhance the stability of the support structure. The lower part of the first diagonal brace is connected to the top of the second diagonal brace, and the bottom of the second diagonal brace is connected to the outer end of the bottom horizontal rod. The lower part of the first diagonal brace, the lower part of the vertical tie rod, the second diagonal brace, and the bottom horizontal rod form a quadrilateral to enhance the stability of the support structure. It also includes multiple adjustable support legs. Each pair of adjustable support legs is fixed to the inner and outer ends of the bottom of the bottom horizontal bar. Each adjustable support leg includes a support column, a base and a locking nut. The lower part of the support column is threaded to the upper part of the base. When the base is adjusted to a suitable height, the support column and the base are locked and fixed by the locking nut that is pre-fitted onto the support column.

2. The basement lining wall single-sided formwork support apparatus according to claim 1, wherein The device further includes a first diagonal connecting rod and a second diagonal connecting rod. The top end of the first diagonal connecting rod is connected to the inner end of the top horizontal connecting rod, and the bottom end of the first diagonal connecting rod is connected to the upper part of the first diagonal brace. The connection point is located above the connection point of the middle horizontal connecting rod and the first diagonal brace. The top end of the second diagonal connecting rod is connected to the inner end of the top horizontal connecting rod, and the connection point is located inside the connection point of the first diagonal connecting rod and the top horizontal connecting rod. The bottom end of the second diagonal connecting rod is connected to the upper end of the vertical tie rod, and the connection point is located above the connection point of the vertical tie rod and the middle horizontal connecting rod.

3. The basement lining wall single-side formwork support apparatus according to claim 1, wherein The vertical back ribs are arranged vertically and uniformly at equal intervals, the longitudinal back ribs are arranged longitudinally and uniformly at equal intervals, and the vertical tie rods are arranged vertically and uniformly at equal intervals.

4. The single-sided formwork support device for the basement inner lining wall as described in claim 1, characterized in that, Both the vertical back ribs and the longitudinal back ribs are I-shaped double-channel steel.

5. The basement lining wall single-side formwork support apparatus according to claim 1, wherein The vertical tie rod, the top horizontal connecting rod, and the first diagonal brace are connected to form a right-angled triangle.

6. The basement lining wall single-side formwork support apparatus according to claim 1, wherein The top horizontal connecting rod and the first diagonal brace, the first diagonal brace and the second diagonal brace, the second diagonal brace and the bottom horizontal rod, and the vertical back rib and the longitudinal back rib are all connected by bolts.

7. The basement lining wall single-side formwork support apparatus according to claim 1, wherein The single-sided template includes wooden templates and steel templates.