Steel beam encased concrete formwork jig frame hanging formwork construction device

Abstract

The utility model discloses a steel beam encased concrete formwork jig frame hanging formwork construction device which comprises a jig frame, a bottom formwork, a top formwork and a plurality of side formworks, the jig frame comprises a plurality of U-shaped frames and a plurality of lifting plates, the U-shaped frames are transversely and evenly arranged, the bottom formwork is arranged on the bottom face inside the U-shaped frames, the side formworks are arranged on the two sides of the bottom formwork, and the lifting plates are arranged on the top formwork. The top mold plate is installed on the inner side face of the upper lifting plate, and a closing mechanism driving the upper lifting plate to rotate is installed on one side of the U-shaped frame. The lifting device is simple in structure, the bottom formwork can be directly limited on the U-shaped frame through the limiting plate, the side formworks can be slidably installed in the first sliding grooves through the first sliding strips, and the top formwork is slidably arranged on the lifting plate through the second sliding strips, so that connection between the lifting device and a jig frame is rapidly completed, lifting can be synchronously carried out, and after the lifting plate covers the lifting device, the lifting device is convenient to use. The bottom formwork, the side formworks and the top formwork can directly form a formwork cavity used for pouring concrete, and efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a construction device for hoisting formwork of a concrete-filled steel beam formwork support. Background Technique

[0002] Concrete-filled means covering a layer of concrete outside the steel beam. This design is usually used to enhance the bearing capacity of the steel beam, increase fire resistance or improve durability. The concrete envelope can not only provide a protective layer, but also utilize the compressive strength of the concrete to supplement the tensile strength of the steel beam.

[0003] When wrapping the steel beam with concrete, a formwork is needed. The outside of the steel beam is wrapped by the formwork, and then the concrete is poured into the cavity formed by the formwork. A support is used during the fixation of the formwork. However, the current support has a simple structure, the connection operation with the formwork is troublesome, and when the steel beam is at a high position, it is not easy to fix the formwork, which affects the construction efficiency. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a construction device for hoisting formwork of a concrete-filled steel beam formwork support, so that the top formwork, bottom formwork and side formwork can be directly installed on the support, and the formwork can be directly wrapped outside the steel beam by hoisting to form a pouring cavity, so as to solve the problems raised in the above background technique.

[0005] The utility model is realized by the following technical solutions: a construction device for hoisting formwork of a concrete-filled steel beam formwork support, including a support, a bottom formwork, a top formwork and a plurality of side formworks. The support includes a plurality of U-shaped frames and a plurality of lifting plates. The plurality of U-shaped frames are arranged horizontally and evenly. The bottom formwork is arranged on the bottom surface inside the U-shaped frame. The side formworks are arranged on both sides of the bottom formwork. The lifting plates are all installed at the open end of one side of the U-shaped frame through hinge parts. The top formwork is installed on the inner side surface of the lifting plates. A closing mechanism for driving the lifting plates to rotate is installed on one side of the U-shaped frame.

[0006] As a preferred technical solution, first sliding grooves are vertically provided on the open end surfaces of the U-shaped frames, and first sliding strips are installed on the outer side surfaces of the side formworks opposite to the first sliding grooves. The first sliding strips are all slidably arranged in the first sliding grooves.

[0007] As a preferred technical solution, a second sliding groove is provided at one end of the lifting plate, and second sliding strips are installed on the outer side surfaces of the top formwork opposite to the second sliding grooves. The second sliding strips are all slidably arranged in the second sliding grooves. Screw holes are provided on the outer side surfaces of the lifting plates, and the screw holes are all arranged above the second sliding strips.

[0008] As a preferred technical solution, a plurality of limiting plates are installed in pairs on the bottom surface of the bottom formwork. Limiting grooves are formed between the limiting plates. The limiting grooves are all sleeved on the U-shaped frame, and the widths of the limiting grooves are all matched with the width of the U-shaped frame.

[0009] As a preferred technical solution, the closing mechanism includes a push rod and a plurality of air cylinders. The air cylinders are all installed on the U-shaped frame, and the piston rods of the air cylinders are all installed on the bottom surface of the push rod.

[0010] As a preferred technical solution, baffles are installed at both ends of the top formwork, the bottom formwork and the side formwork. The baffles are all arranged in a trapezoidal structure, and rectangular openings matching the cross-sectional size of the steel beam are formed by combining the baffles.

[0011] As a preferred technical solution, a plurality of tie rods are installed on both sides of the U-shaped frame.

[0012] The beneficial effects of the present utility model are as follows: The structure of the present utility model is simple. The bottom formwork can be directly restricted on the U-shaped frame through the limiting plates, while the side formwork can be slidably installed in the first chute through the first sliding strips, and the top formwork is slidably arranged on the lifting plate through the second sliding strips, so as to quickly complete the connection with the falsework, and can be hoisted synchronously, and can be directly sleeved outside the steel beam. After the lifting plate is covered, the bottom formwork, the side formwork and the top formwork can directly form a cavity for pouring concrete, greatly improving the efficiency. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0014] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 It is a side view of the present utility model;

[0016] Figure 3 It is a top view of the present utility model;

[0017] Figure 4 It is a bottom view of the present utility model.

[0018] Among them, 1. Bottom formwork; 2. Side formwork; 3. Top formwork; 4. U-shaped frame; 5. Lifting plate; 6. Baffle; 7. Tie rod; 8. First chute; 9. Second chute; 10. Push rod; 11. Air cylinder; 12. Screw hole; 13. Limiting plate. Detailed Embodiments

[0019] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0020] All features disclosed in this specification, or all steps in the disclosed methods or processes, except for mutually exclusive features and / or steps, can be combined in any manner.

[0021] Any feature disclosed in this specification (including any additional claims, abstract, and drawings), unless specifically stated, can be replaced by other equivalent or features with similar purposes. That is, unless specifically stated, each feature is only an example of a series of equivalent or similar features.

[0022] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, a construction device for suspending formwork of a steel beam with concrete formwork outside includes a formwork support, a bottom formwork 1, a top formwork 3, and multiple side formworks 2. The formwork support includes multiple U-shaped frames 4 and multiple lifting plates 5. The multiple U-shaped frames 4 are arranged horizontally and evenly. The bottom formwork 1 is arranged on the bottom surface inside the U-shaped frames 4. The side formworks 2 are arranged on both sides of the bottom formwork 1. The lifting plates 5 are all installed at the open end of one side of the U-shaped frame through hinge members. The top formwork 3 is installed on the inner side surface of the lifting plates 5. A closing mechanism for driving the lifting plates 5 to rotate is installed on one side of the U-shaped frame 4.

[0023] In this embodiment, first chutes 8 are vertically provided on the open end surfaces of the U-shaped frames 4. First sliding strips are installed on the outer side surfaces of the side formworks 2 opposite to the first chutes 8. The first sliding strips are all slidably arranged in the first chutes 8.

[0024] In this embodiment, a second chute 9 is provided at one end of the lifting plate 5. Second sliding strips are installed on the outer side surfaces of the top formwork 3 opposite to the second chutes 9. The second sliding strips are all slidably arranged in the second chutes 9. Screw holes 12 are provided on the outer side surfaces of the lifting plates 5. The screw holes 12 are all arranged above the second sliding strips;

[0025] Among them, after the top formwork is installed, in order to increase stability, a bolt can be prepared. The bolt can be threadedly connected to the screw hole and abuts against the top surface of the second sliding strip, so as to limit the second sliding strip and the top formwork.

[0026] In this embodiment, a plurality of limiting plates 13 are installed in pairs on the bottom surface of the bottom formwork 1. Limiting grooves are formed between the limiting plates 13, and the limiting grooves are all sleeved on the U-shaped frame 4, and the widths of the limiting grooves are all matched with the width of the U-shaped frame 4.

[0027] In this embodiment, the closing mechanism includes a push rod 10 and a plurality of cylinders 11. The cylinders 11 are all installed on the U-shaped frame 4, and the piston rods of the cylinders 11 are all installed on the bottom surface of the push rod 10.

[0028] In this embodiment, baffles 6 are installed at both ends of the top formwork 3, the bottom formwork 1 and the side formwork 2. The baffles 6 are all arranged in a trapezoidal structure, and rectangular openings matching the cross-sectional size of the steel beam are formed by combining the baffles 6.

[0029] In this embodiment, a plurality of tie rods 7 are installed on both sides of the U-shaped frame 4. Fixing holes are provided on the tie rods, so that the hook on the crane can pass through the fixing holes and lift the device upward.

[0030] During installation, first place the bottom formwork inside the U-shaped frame, and the limiting plates can be arranged on both sides of each U-shaped frame to complete the lateral positioning of the bottom formwork. After the bottom formwork is installed, align the first sliding strip on the side formwork with the first sliding groove and insert it into the first sliding groove from top to bottom until it abuts against the bottom formwork. The top formwork is slidably installed in the second sliding groove of the lifting plate through the second sliding strip;

[0031] After the above is completed, the crane can be connected to the tie rod, and the crane can drive the lifting frame and the formwork to rise synchronously until the steel beam enters the rectangular opening. After determining the position, start the cylinder so that the piston rod of the cylinder extends. The movement of the piston rod drives the push rod, and the rising push rod can push the lifting plate to close the upper table plate with the hinge as the center until the top formwork abuts against the side formwork. The steel beam can be wrapped by the top formwork, the side plate and the bottom formwork, and a concrete pouring cavity is formed inside, which is convenient for injecting concrete into it.

[0032] The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any change or replacement that can be thought of without creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A steel beam outer concrete formwork frame hanging formwork construction device, characterized in that: The invention comprises a tire frame, a bottom template (1), a top template (3) and a plurality of side templates (2), wherein the tire frame comprises a plurality of U-shaped frames (4) and a plurality of lifting plates (5), wherein the plurality of U-shaped frames (4) are evenly arranged in a transverse direction, the bottom template (1) is arranged on the bottom surface inside the U-shaped frame (4), the side templates (2) are arranged on both sides of the bottom template (1), the lifting plates (5) are all installed on the open end of one side of the U-shaped frame through hinges, the top template (3) is installed on the inner side surface of the lifting plates (5), and a closing mechanism for driving the lifting plates (5) to rotate is installed on one side of the U-shaped frame (4).

2. The steel beam outer concrete formwork frame hanging formwork construction device according to claim 1 is characterized by: A first slide groove (8) is vertically arranged on the open end surface of the U-shaped frame (4), and a first slide bar is installed on the outer side surface of the side template (2) facing the first slide groove (8), and the first slide bar is slidably arranged in the first slide groove (8).

3. The steel beam outer concrete formwork frame hanging formwork construction device according to claim 1 is characterized by: A second slide groove (9) is provided at one end of the upper lifting plate (5), and a second slide bar is installed on the outer side surface of the top template (3) opposite to the second slide groove (9), and the second slide bar is slidably set in the second slide groove (9), and screw holes (12) are provided on the outer side surface of the upper lifting plate (5), and the screw holes (12) are set above the second slide bar.

4. The steel beam outer concrete formwork frame hanging formwork construction device according to claim 1 is characterized in that: A plurality of limit plates (13) are installed on the bottom surface of the bottom template (1) in groups of two, and limit grooves are formed between the limit plates (13). The limit grooves are sleeved on the U-shaped frame (4), and the width of the limit grooves matches the width of the U-shaped frame (4).

5. The steel beam outer concrete formwork frame hanging formwork construction device according to claim 1 is characterized in that: The closing mechanism comprises a push rod (10) and a plurality of cylinders (11), wherein the cylinders (11) are all mounted on a U-shaped frame (4), and the piston rods of the cylinders (11) are all mounted on the bottom surface of the push rod (10).

6. The steel beam outer concrete formwork frame hanging formwork construction device according to claim 1 is characterized in that: Baffles (6) are installed at both ends of the top formwork (3), the bottom formwork (1) and the side formwork (2). The baffles (6) are arranged in a trapezoidal structure, and the baffles (6) are combined to form a rectangular opening matching the cross-section size of the steel beam.

7. The steel beam outer concrete formwork frame hanging formwork construction device according to claim 1 is characterized by: A plurality of pull rods (7) are installed on both sides of the U-shaped frame (4).

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