Steel-wood composite formwork supporting structure of retaining wall
By using a composite formwork structure of steel and wood, the problems of low efficiency and difficulty in guaranteeing quality in traditional single formwork construction are solved, achieving efficient and low-cost construction results. It has significant advantages, especially in roadbed high embankment slope projects with weak bearing capacity and scarce stone materials.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-27
AI Technical Summary
In the construction of traditional buttress-type reinforced concrete retaining walls, the use of steel or wooden formwork alone has problems such as low construction efficiency, difficulty in guaranteeing quality, serious material waste, and great fire hazard.
The steel-wood composite formwork structure is adopted. Through the tight connection of the connecting components, the first steel formwork component and the second steel formwork component, combined with the design of rubber sealing rings and rubber airbags, the assembly accuracy and sealing performance of the formwork are ensured, grout leakage is reduced, and the reuse rate is improved.
It significantly improves construction quality and efficiency, reduces construction costs, minimizes material consumption and fire hazards, and ensures the smoothness and aesthetics of the demolded surface after construction.
Smart Images
Figure CN224048214U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to retaining wall technical field, concretely is a retaining wall steel wood composite formwork support structure. BACKGROUND
[0002] With the improvement of the quality of life in modern society, the difficulty and scale of reinforced concrete engineering gradually increase, under such a premise, how to ensure the construction quality, efficiency and safety become the problems that need attention of current reinforced concrete engineering, in the construction of buttress type reinforced concrete, the traditional wood mold construction technology has high processing flexibility, low cost, light weight, convenient operation and other advantages, but also has many deficiencies, such as low construction efficiency, few turnover times, difficult to guarantee dimensional accuracy, easy to leak grout at splicing, serious material waste, big fire hazard, high labor and maintenance cost, etc., although steel formwork has high strength, good stability, many turnover times, dimensional accuracy, tight splicing, convenient installation and removal, and strong reusability, but one-time production cost is high, weight is big, thermal insulation performance is poor, easy to rust and corrosion, design and processing are complex, these shortcomings limit its application under certain conditions.
[0003] In the construction of traditional buttress type reinforced concrete retaining wall, single use of steel formwork or wood formwork has many deficiencies, although steel formwork has high strength and good stability, but one-time investment cost is high, weight is big, thermal insulation performance is poor, easy to rust and corrosion, wood formwork has low processing precision, few turnover times, easy to leak grout at splicing, serious material waste, big fire hazard and other problems, leading to low construction efficiency and difficult to guarantee quality, therefore, aiming at the above problems, a retaining wall steel wood composite formwork support structure is provided. CONTENT OF UTILITY MODEL
[0004] The utility model aims at providing a retaining wall steel wood composite formwork support structure to solve the problem of single use of steel formwork or wood formwork in the construction of traditional buttress type reinforced concrete retaining wall.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A retaining wall steel wood composite formwork support structure, including wood formwork inclined plate and insert shell, the ear seat is rotatably connected to the left end of the insert shell, the ear seat left side is fixedly connected with the connecting assembly, the connecting assembly rear end is fixedly connected with the second steel formwork assembly, the second steel formwork assembly is fixedly connected with the first steel formwork assembly through fixed screw, the connecting assembly includes extension plate, the extension plate front end is provided with reserved screw hole, the extension plate inner side is provided with double column hole, communication hole and storage groove, the double column hole rear end is fixedly connected with the retaining column, the double column hole inner side is slidably connected with the insert column, the insert column outer side is fixedly connected with rubber sealing ring, the storage groove inner side is fixedly connected with rubber air bag.
[0007] As the further optimization of the utility model, wherein: the first steel mould assembly includes steel mould body, the steel mould body rear end fixedly connected with flat plate, the flat plate rear end and the second steel mould assembly front end close, the structure of first steel mould assembly and the structure of second steel mould assembly are same.
[0008] As the further optimization of the utility model, wherein: the steel mould body rear end fixedly connected with the plug-in cylinder, the plug-in cylinder inside is equipped with the insertion hole, the insertion hole penetrates the rear end of plug-in cylinder, the plug-in post is inserted in the inside of insertion hole.
[0009] As the further optimization of the utility model, wherein: the inside of plug-in shell is hollow structure, one end of plug-in shell is through structure, the wood mould inclined plate is inserted in the inside of plug-in shell.
[0010] As the further optimization of the utility model, wherein: the front end and rear end of plug-in shell are fixedly connected with the shaft column, the inside of shaft hole is equipped in the ear seat, the shaft column of plug-in shell is rotatably connected in the inside of shaft hole of ear seat, the left side of ear seat is fixedly connected with the right side of extension plate.
[0011] As the further optimization of the utility model, wherein: the rear end of steel mould body is equipped with through-hole, the through-hole of steel mould body is aligned with the front end of reserved screw hole, the fixed screw is installed in the inside of through-hole of steel mould body.
[0012] As the further optimization of the utility model, wherein: the inside of extension plate is hollow structure, the rear end of extension plate is fixedly connected with second steel mould assembly, the double column hole penetrates the front end of extension plate, the outside of rubber sealing ring is attached with the inside of double column hole, the double column hole, communication hole and receiving groove are communicated, the left side of rubber air bag is attached with flat plate and second steel mould assembly.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] The utility model discloses a construction method of steel mould wood mould composite formwork structure can improve the construction quality and construction efficiency of the buttress type reinforced concrete retaining wall significantly, through accurate connection technology, ensure that formwork assembly plane error is no more than 1mm / m, and steel mould wall surface perpendicularity is controlled within ±4mm, and splicing joint width is no more than 1mm, effectively avoid the expansion mould slurry leakage phenomenon in the pouring process, guarantee the smoothness of the formwork surface after pouring, and there is no error platform and large honeycomb pockmark phenomenon, in addition, the method improves the repeated utilization of formwork, reduces material consumption, realizes the effective control of construction cost, in the economic benefit aspect, the construction method reduces construction cost and speeds up construction progress, especially in the subgrade high fill slope engineering of weak bearing capacity and local stone shortage, and the advantage is more obvious, in the social benefit and environmental protection benefit aspect, the method reduces resource waste, reduces fire hazards, reduces manual and maintenance cost and has wide application prospect. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is whole structure schematic diagram of the utility model;
[0016] Figure 2 It is first steel mould subassembly's cut open structure schematic diagram of the utility model;
[0017] Figure 3 It is the A place structure schematic diagram of the utility model Figure 2 ;
[0018] Figure 4 It is flat structure schematic diagram of the utility model;
[0019] Figure 5 It is one of cut open structure schematic diagram of the utility model extension board;
[0020] Figure 6 It is rubber air bag structure schematic diagram of the utility model;
[0021] Figure 7 It is the B place structure schematic diagram of the utility model Figure 6 ;
[0022] Figure 8 It is second cut open structure schematic diagram of the utility model extension board;
[0023] Figure 9 It is the structure schematic diagram of reserving screw hole of the utility model.
[0024] In the drawing: 1, wood mould inclined plate;2, insert shell;3, ear seat;
[0025] 4, connecting assembly; 41, extension plate; 42, reserved screw hole; 43, double column hole; 44, blocking column; 45, communication hole; 46, insertion column; 47, rubber air bag; 48, rubber sealing ring; 49, storage groove;
[0026] 5, first steel mold assembly; 51, steel mold body; 52, flat plate; 53, insertion cylinder; 54, insertion hole;
[0027] 6, second steel mold assembly; 7, fixing screw. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0029] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a presence of a feature, step, operation, device, component and / or combination thereof.
[0030] Please refer to Figures 1-9 The present application provides a technical solution:
[0031] The retaining wall steel-wood composite formwork support structure comprises a wood formwork inclined plate 1 and an insertion shell 2, the left end of the insertion shell 2 is rotationally connected with an ear seat 3, the left side of the ear seat 3 is fixedly connected with a connecting assembly 4, the rear end of the connecting assembly 4 is fixedly connected with a second steel mold assembly 6, the second steel mold assembly 6 is fixedly connected with a first steel mold assembly 5 through a fixing screw 7, the connecting assembly 4 comprises an extension plate 41, the front end of the extension plate 41 is provided with a reserved screw hole 42, the inner side of the extension plate 41 is provided with a double column hole 43, a communication hole 45 and a storage groove 49, the rear end of the double column hole 43 is fixedly connected with a blocking column 44, the inner side of the double column hole 43 is slidably connected with an insertion column 46, the outer side of the insertion column 46 is fixedly connected with a rubber sealing ring 48, and the inner side of the storage groove 49 is fixedly connected with a rubber air bag 47.
[0032] As a further implementation of the present scheme, the first steel mold assembly 5 comprises a steel mold body 51, the rear end of which is fixedly connected with a flat plate 52, the rear end of which is in close contact with the front end of the second steel mold assembly 6, the structure of the first steel mold assembly 5 is the same as that of the second steel mold assembly 6, through the above setting, the structure design ensures the close connection between the first steel mold assembly 5 and the second steel mold assembly 6, improves the stability and reliability of the overall structure, effectively reduces the leakage and misalignment phenomenon caused by loose structure during construction, thereby ensuring the construction quality;
[0033] As a further implementation of the present scheme, the rear end of the steel mold body 51 is fixedly connected with a plug 53, a plug hole 54 is formed in the inner side of the plug 53, the plug hole 54 penetrates the rear end of the plug 53, the plug 46 is inserted into the inner side of the plug hole 54, through the above setting, this plug-in mode can realize the quick alignment and connection between the first steel mold assembly 5 and the second steel mold assembly 6, significantly improve the installation efficiency, reduce the construction time, and also improve the connection accuracy, further enhance the stability of the structure;
[0034] As a further implementation of the present scheme, the inner side of the plug shell 2 is a hollow structure, one end of the plug shell 2 is a through structure, the wooden mold inclined plate 1 is inserted into the inner side of the plug shell 2, the front end and the rear end of the plug shell 2 are fixedly connected with shaft columns, the inner side of the lug seat 3 is provided with a shaft hole, the shaft column of the plug shell 2 is rotatably connected to the inner side of the shaft hole of the lug seat 3, the lug seat 3 is fixedly connected with the right side of the extension plate 41, through the above setting, the steel mold and the wooden mold are combined, the wooden mold supports the steel mold, improves the soil retaining strength, and improves the reuse rate of the formwork, reduces the material consumption, and effectively controls the construction cost;
[0035] As a further implementation of the present scheme, the rear end of the steel mold body 51 is provided with a through hole, the through hole of the steel mold body 51 is aligned with the front end of the reserved screw hole 42, and the fixed screw 7 is installed on the inner side of the through hole of the steel mold body 51, through the above setting, the flat plate 52 and the second steel mold assembly 6 can be tightly fitted, the splicing joint after assembly is not greater than 1mm, which greatly reduces the penetration of mud, effectively prevents the leakage phenomenon, and ensures the smoothness and aesthetics of the surface after demolding;
[0036] As a further implementation of the present scheme, the inside of the extension plate 41 is a hollow structure, the rear end of the extension plate 41 is fixedly connected with the second steel formwork assembly 6, the double-column hole 43 penetrates through the front end of the extension plate 41, the outside of the rubber sealing ring 48 is attached to the inside of the double-column hole 43, the double-column hole 43, the communication hole 45 and the receiving groove 49 are communicated, the left side of the rubber air bag 47 is attached to the flat plate 52 and the second steel formwork assembly 6, through the above setting, through the movement of the insertion column 46, the gas inside the double-column hole 43 is pushed to the inside of the receiving groove 49 through the communication hole 45, the rubber air bag 47 is inflated, thereby sealing the gap between the flat plate 52 and the second steel formwork assembly 6, further enhancing the sealing performance of the formwork, effectively preventing the occurrence of the leakage phenomenon, and improving the construction quality.
[0037] Work flow: when the construction of the steel form and wood form composite formwork structure is adopted, firstly, the first steel form assembly 5 and the second steel form assembly 6 are erected, the verticality of the first steel form assembly 5 and the second steel form assembly 6 is controlled within ±4mm, the inserting column 46 of the connecting assembly 4 is aligned with the inserting hole 54, the inserting column 46 is inserted into the inserting hole 54 of the inserting cylinder 53, this inserting mode can align the first steel form assembly 5 and the second steel form assembly 6 front and back, improve the installation precision, at this time, the first steel form assembly 5 and the second steel form assembly 6 are fixed, the screw nut of the fixing screw 7 is towards the front end, the fixing screw 7 is inserted into the through hole of the steel form body 51, the fixing screw 7 is screwed into the inside of the reserved screw hole 42, when the fixing screw 7 rotates, the rear end of the flat plate 52 and the front end of the second steel form assembly 6 gradually adhere to each other, the joint gap between the assembled flat plate 52 and the second steel form assembly 6 is not greater than 1mm, thereby greatly reducing the penetration of the mud, at the same time, the inserting column 46 gradually slides into the inside of the double column hole 43, due to the sealing between the inserting column 46 and the extension plate 41 by the rubber sealing ring 48, the gas in the inside of the double column hole 43 is pushed into the inside of the storage groove 49 through the communicating hole 45 by the inserting column 46, at this time, the rubber air bag 47 expands, after the expansion of the rubber air bag 47, the rubber air bag 47 adheres to the flat plate 52 and the second steel form assembly 6, thereby sealing the gap between the flat plate 52 and the second steel form assembly 6, preventing the phenomenon of mud leakage, after the installation and fixation between the first steel form assembly 5 and the second steel form assembly 6 are completed, the wood form inclined plate 1 is inserted into the inside of the inserting shell 2, the inserting shell 2 is rotated in the inside of the ear seat 3 by the wood form inclined plate 1, but after the wood form inclined plate 1 contacts with the ground, the wood form inclined plate 1 is fixed by the bolt or the fixing anchor, the installation is completed, according to the above principle, the device can significantly improve the construction quality and construction efficiency of the buttress type reinforced concrete retaining wall by adopting the construction method of the steel form and wood form composite formwork structure, the expansion and mud leakage phenomenon in the pouring process is effectively avoided by the accurate connecting process, the smoothness of the surface after pouring is ensured, there is no wrong platform and large piece of honeycomb pockmark phenomenon, the utilization rate of the formwork is improved, the material consumption is reduced, and the effective control of the construction cost is realized.
[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A retaining wall steel-wood composite formwork support structure comprising a wood formwork sloping plate (1) and a plug-in shell (2), characterized in that: The ear seat (3) is fixedly connected to the left side of the extension plate (41), and the first steel mold assembly (5) is fixedly connected to the rear end of the extension plate (41). The connecting assembly (4) comprises an extension plate (41), and the extension plate (41) is provided with a reserved screw hole (42) at the front end.
2. The retaining wall steel-wood composite formwork support structure according to claim 1, wherein: The first steel mold assembly (5) comprises a steel mold body (51), and the steel mold body (51) is fixedly connected to the rear end of the flat plate (52).
3. The retaining wall steel-wood composite formwork support structure according to claim 2, wherein: The steel mold body (51) is fixedly connected to the rear end of the insertion cylinder (53), and the insertion hole (54) is formed in the inner side of the insertion cylinder (53).
4. The retaining wall steel-wood composite formwork support structure according to claim 1, wherein: The inner side of the insertion shell (2) is a hollow structure, one end of the insertion shell (2) is a through structure, and the wooden mold inclined plate (1) is inserted into the inner side of the insertion shell (2).
5. The retaining wall steel-wood composite formwork support structure according to claim 1, wherein: The front end and the rear end of the insertion shell (2) are fixedly connected with shaft columns, the inner side of the ear seat (3) is provided with a shaft hole, the shaft column of the insertion shell (2) is rotatably connected to the inner side of the shaft hole of the ear seat (3), and the left side of the ear seat (3) is fixedly connected to the right side of the extension plate (41).
6. The retaining wall steel-wood composite formwork support structure according to claim 2, wherein: The rear end of the steel mold body (51) is provided with a through hole, the through hole of the steel mold body (51) is aligned with the front end of the reserved screw hole (42), and the fixed screw (7) is installed in the inner side of the through hole of the steel mold body (51).
7. The retaining wall steel-wood composite formwork support structure according to claim 1, wherein: The inner side of the extension plate (41) is a hollow structure, the rear end of the extension plate (41) is fixedly connected with the second steel mold assembly (6), the double column hole (43) penetrates through the front end of the extension plate (41), the outer side of the rubber sealing ring (48) is attached to the inner side of the double column hole (43), the double column hole (43), the communication hole (45) and the storage groove (49) are communicated, and the left side of the rubber air bag (47) is attached to the flat plate (52) and the second steel mold assembly (6).