Movable combined type steel pipe framed bent supporting structure

Abstract

The utility model relates to the technical field of underground cavern construction in the water conservancy industry, in particular to a movable combined type steel pipe framed bent supporting structure. The bent frame comprises a supporting device, a moving device, a lifting device, a bent frame steel pipe main body and a bracket structure, the moving device is arranged at the lower end of the supporting device, the lifting device is fixedly connected to the supporting device, the framed bent steel pipe body is fixedly connected to the upper portion of the supporting device, and the framed bent steel pipe body is formed by vertically erecting steel pipes in the longitudinal direction and the transverse direction to form a three-dimensional supporting system. Bracket structures are connected to the two sides of the framed bent steel pipe body and the ends of the steel pipes on the sides, making contact with the construction face of the cavern wall, of the top of the framed bent steel pipe body and used for formwork supporting. Lifting and moving of the whole structure are achieved through the moving device and the lifting device, disassembly and reinstallation are not needed, the problems that a traditional bent frame structure is high in disassembly and reinstallation cost and low in efficiency are solved, and the movable bent frame can be widely applied to construction of underground caverns in the water conservancy industry.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy industry underground cavern construction technical field, especially a movable combined steel pipe bent frame support structure. BACKGROUND

[0002] With the acceleration of the construction process of pumped storage power station, the construction amount of underground caverns increases significantly. In the construction process of these caverns, such as diversion tunnel, tailrace tunnel, traffic tunnel, etc., it is often necessary to pour concrete under the condition of suspension. Although the traditional bent frame support structure can meet the load-bearing requirement, it has large material consumption, long construction period, and needs to be removed and reinstalled after each bay construction is completed, which not only increases the labor cost and time cost, but also reduces the construction efficiency. SUMMARY

[0003] The utility model provides a movable combined steel pipe bent frame support structure, which aims to improve the flexibility, reusability and safety of the formwork support system in the building construction process.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0005] A movable combined steel pipe bent frame support structure, comprising a support device, a moving device, a lifting device, a bent frame steel pipe main body and a support structure, wherein the moving device is arranged at the lower end of the support device, the lifting device is connected to the support device, and the bent frame steel pipe main body is connected above the support device; the bent frame steel pipe main body is vertically arranged in a three-dimensional support system by steel pipes, and the bent frame steel pipe main body is connected to the steel pipe end portion on the contact side of the cavern wall construction surface on both sides and the top through the support structure.

[0006] The support device is a planar frame structure integrally connected by two transverse I-beams and multiple longitudinal I-beams.

[0007] The moving device comprises a rolling steel pipe, a winch and a steel cable, wherein the rolling steel pipe is arranged on the lower surface of the support device, the winch is connected to the support device through the steel cable, and the steel cable is used to pull the support device to move horizontally on the rolling steel pipe to the predetermined position.

[0008] The lifting device comprises multiple support frames and jacks matched therewith, wherein the support frame is a planar support frame welded by steel bars, is fixedly connected to the support device, and the jack is arranged below the support frame and is used to lift the entire steel pipe bent frame formwork support structure.

[0009] The bent frame steel pipe main body and the I-beam are welded to improve the stability and load-bearing capacity of the overall structure.

[0010] The support structure is arranged in multiple groups, each group of support structure comprising a support rod and a top support, one end of the support rod being connected in a steel pipe end of the bent frame steel pipe body, and the other end of the support rod being fixedly connected with the top support.

[0011] The support rod is of a telescopic length, and the length of the telescopic support rod is adjusted to adapt to the support requirements of the formwork of different heights.

[0012] The top support is of a straight-angle U-shaped groove structure.

[0013] Beneficial effects:

[0014] 1. The bearing bent frame in the utility model does not need to be disassembled, and the whole is moved through the winch and the rolling steel pipe, so that the labor and time cost are greatly saved.

[0015] 2. The utility model has simple structure, low cost, wide application range, and can be widely applied to the construction of various underground caverns.

[0016] 3. The utility model improves the construction efficiency, shortens the construction period, and is beneficial to the rapid promotion of the project.

[0017] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following will be described in detail with the preferred embodiment of the utility model and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a partial view of the utility model;

[0021] Figure 3 It is a support formwork plan view of the utility model.

[0022] In the figure, 1 is a winch, 2 is an I-steel, 3 is a rolling steel pipe, 4 is a jack, 5 is a support frame, 6 is a top support, 7 is a steel cable, 9 is a bent frame steel pipe body, 10 is a support rod, and 11 is a formwork. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment:

[0025] According to Figures 1-3 As shown in a kind of movable combined steel pipe bent frame support structure, including support device, moving device, lifting device, bent frame steel pipe body 9 and support structure;The moving device is set to the lower end of support device, lifting device is fixedly connected on support device, bent frame steel pipe body 9 is fixedly connected on support device upper side, the bent frame steel pipe body 9 is by steel pipe vertical and horizontal vertical erection and presents three-dimensional support system, bent frame steel pipe body 9 two sides and top and the steel pipe end portion connected with the contact side of chamber wall construction surface, support structure is used to support formwork 11.

[0026] Further, the support device is vertically erected by two horizontal I-beams 2 and multiple longitudinal I-beams 2, and the longitudinal and horizontal I-beams 2 are welded to form an integral planar frame structure.

[0027] First, multiple longitudinal and horizontal I-beams 2 are erected and welded to form a planar frame structure on the chamber floor concrete, forming a stable support foundation;Then, the bent frame steel pipe body 9 is placed on the I-beam 2 and connected thereto by welding, forming a vertical and horizontal erected three-dimensional support system.

[0028] Further, as shown in Figure 1 The moving device includes a rolling steel pipe 3, a winch 1 and a steel cable 7, the rolling steel pipe 3 is placed on the lower surface of the support device, the winch 1 is connected to the support device by the steel cable 7, and the support device is moved horizontally to the predetermined position by the rolling steel pipe 3 driven by the steel cable 7.

[0029] The rolling steel pipe 3 is placed at the bottom of the two horizontal I-beams 2 of the support device, and the steel cable 7 is wound around the outermost longitudinal I-beam 2 of the support device. When the winch 1 is started, the longitudinal I-beam 2 is pulled by the steel cable 7 to move the entire bent frame structure by the rolling steel pipe 3.

[0030] Further, as shown in Figure 2 The lifting device includes multiple support frames 5 and jacks 4 cooperating therewith, the support frame 5 is a planar support frame welded by steel bars, the support frame 5 is fixedly connected in the inner groove of the longitudinal I-beam 2 of the support device, and the jack 4 is placed under the support frame 5 for lifting the entire steel pipe bent frame formwork support structure.

[0031] The row steel pipe body 9 and the I-shaped steel 2 are welded to improve the stability and load-bearing capacity of the overall structure.

[0032] Further, the supporting structure is provided with multiple groups, and the supporting structure comprises a supporting rod 10 and a top support 6, one end of the supporting rod 10 is connected in a steel pipe end head on the side of the row steel pipe body 9 in contact with the construction surface of the underground chamber wall, and the top support 6 is welded at the other end of the supporting rod 10, and the top support 6 is used for supporting the formwork 11.

[0033] The length of the supporting rod 10 is adjustable, and the length of the telescopic supporting rod 10 is adjusted to adapt to the support requirements of formworks of different heights.

[0034] As shown in the drawings, Figure 3 The top support 6 is a right-angle U-shaped groove structure, and the formwork 11 is embedded in the top support 6.

[0035] In use, first, the jack 4 is started, the whole row steel pipe frame and the formwork supporting structure are lifted to a certain height, then a plurality of rolling steel pipes 3 are placed under the transverse I-shaped steel 2, then the jack 4 is lowered, the transverse I-shaped steel 2 falls on the rolling steel pipes 3, and the jack 4 is removed; then, the winch 1 is started, the longitudinal I-shaped steel 2 is pulled through the steel cable 7, and the whole row steel pipe frame and the formwork supporting structure are moved horizontally to the predetermined position by the rolling steel pipes 3. The above steps are repeated, and the rolling steel pipes 3 are taken out one by one, so that the overall movement of the row frame is completed.

[0036] The utility model not only can be used as construction scaffold, but also can be used as formwork supporting system, and the effective support to the formwork 11 is realized through the adjustment of the supporting rod 10 and the top support 6.

[0037] In the case of no conflict, the skilled in the art can combine the related technical features in the above examples according to the actual situation to achieve the corresponding technical effect, and the various combination cases are not described one by one here.

[0038] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0039] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description and should not be understood as indicating or implying relative importance or implying the number of the indicated technical features. Therefore, the features with "first" and "second" can be explicitly or implicitly included at least one of the features.

[0040] The above is only the preferred embodiment of the present application, and the present application will not be limited to these embodiments shown in the present application, but will be consistent with the widest range of principles and novel characteristics disclosed in the present application. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the scope of the technical scheme of the present application.

Claims

1. A portable combined steel pipe bent frame support structure, characterized by: The support device, the moving device, the lifting device, the row steel pipe body (9) and the supporting structure are included; the moving device is arranged at the lower end of the support device, the lifting device is connected to the support device, the row steel pipe body (9) is connected above the support device, the row steel pipe body (9) is vertically arranged by steel pipes to form a three-dimensional support system, and the row steel pipe body (9) is connected with the supporting structure at the end of the steel pipe on the two sides and the top and the steel pipe end on the contact side of the hole wall construction surface.

2. A portable modular steel pipe racking support structure as claimed in claim 1, wherein: The support device is a planar frame structure integrally connected by two transverse I-shaped steel (2) and multiple longitudinal I-shaped steel (2).

3. A portable modular steel pipe racking support structure as claimed in claim 1, wherein: The moving device includes a rolling steel pipe (3), a winch (1) and a steel cable (7), the rolling steel pipe (3) is arranged on the lower surface of the support device, the winch (1) is connected to the support device through the steel cable (7), and the steel cable (7) is used to pull the support device to move horizontally on the rolling steel pipe (3) to a predetermined position.

4. A portable modular steel pipe racking support structure as claimed in claim 1, wherein: The lifting device includes multiple support frames (5) and jacks (4) matched with the support frames (5), the support frame (5) is a planar support frame welded by steel bars, and is fixedly connected to the support device; the jack (4) is arranged below the support frame (5) and is used to lift the entire steel pipe row frame formwork support structure.

5. A relocatable modular steel pipe bents support structure as claimed in claim 2, wherein: The row steel pipe body (9) and the I-shaped steel (2) are welded to improve the stability and bearing capacity of the overall structure.

6. A portable modular steel pipe racking support structure as claimed in claim 1, wherein: The supporting structure is provided in multiple groups, each group of supporting structure includes a support rod (10) and a top support (6), one end of the support rod (10) is connected to the end of the steel pipe of the row steel pipe body (9), and the other end of the support rod (10) is fixedly connected to the top support (6).

7. A relocatable modular steel pipe bents support structure as claimed in claim 6 wherein: The length of the support rod (10) is adjustable, and the length of the telescopic support rod (10) is adjusted to adapt to the formwork support requirements of different heights.

8. A relocatable modular steel pipe bents support structure as claimed in claim 6, wherein: The top support (6) is a right-angle U-shaped groove structure.

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