Variable cross-section steel column web wing plate bending device

Abstract

The utility model discloses a variable cross-section steel column web wing plate bending device, which relates to the technical field of steel structure production and comprises a fixing frame, a hydraulic cylinder is mounted on the inner bottom side of the fixing frame, a jacking rod is mounted on the upper side of the hydraulic cylinder, and limiting plates are arranged at the contact positions of the inner side face of the fixing frame and the two ends of the jacking rod. A first reinforcing rib is welded to one side face of the limiting plate, and a bent plate is welded to the inner top side face of the fixing frame. Through the arrangement of the fixing frame, the hydraulic cylinder, the oil hydraulic pump module, the jacking rod, the limiting plate, the bending plate, the bending head, the fixing frame and the electromagnetic heating coil, the electromagnetic heating coil can rapidly heat a plate, then the preheated plate stretches into the position between the jacking rod and the bending head, the hydraulic cylinder pushes the jacking rod to move upwards, and therefore the plate can be rapidly heated. And therefore, the plate can be quickly bent, the bending step is simplified, and the waste of manpower is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure production, in particular to a bending device for the web and flange of a variable cross-section steel column. Background Technique

[0002] A variable cross-section steel column refers to a steel column with a gradually changing cross-section. At the part where the cross-section changes, the web and flange of the steel column need to be bent and deformed to ensure the structural strength of the steel column.

[0003] When bending the web of the existing steel column, it is necessary to manually preheat and heat the plate structure with a blowtorch, and then perform the bending process. The bending steps are cumbersome, resulting in a waste of manpower. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a bending device for the web and flange of a variable cross-section steel column. Through the set fixed frame, hydraulic cylinder, oil pressure pump module, jacking rod, limiting plate, bending plate, bending head, fixed frame and electromagnetic heating coil, the electromagnetic heating coil can quickly heat the plate, and then insert the preheated plate between the jacking rod and the bending head. The hydraulic cylinder pushes the jacking rod to move upward, so that the plate can be quickly bent, simplifying the bending steps and reducing the waste of manpower, and effectively solving the problems in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A bending device for the web and flange of a variable cross-section steel column, including a fixed frame, a hydraulic cylinder is installed on the inner bottom side of the fixed frame, a jacking rod is installed above the hydraulic cylinder, limiting plates are arranged at the contact positions of both ends of the jacking rod with the inner side surface of the fixed frame, a first reinforcing rib is welded to one side surface of the limiting plate, a bending plate is welded to the inner top surface of the fixed frame, second reinforcing ribs are welded to both side surfaces of the bending plate, a fixed frame is installed on one side of the fixed frame, an electromagnetic heating coil is arranged on the inner side surface of the fixed frame, an oil pressure pump module is installed on the outer side of the fixed frame, and a bending head is arranged at the lower edge of the bending plate.

[0006] Further, the fixed frame and the hydraulic cylinder are connected by bolts, and the oil pressure pump module and the hydraulic cylinder are connected by a oil pipe.

[0007] Further, the limiting plate is welded to the fixed frame, and the first reinforcing rib is welded to the fixed frame.

[0008] Further, the fixed frame and the fixed frame are connected by bolts, and the fixed frame and the electromagnetic heating coil are connected by a card slot.

[0009] Further, the telescopic rod structure of the hydraulic cylinder and the jacking rod are connected by bolts, and the jacking rod is slidably connected between the limiting plates.

[0010] Furthermore, the cross-section of the folding elbow is an arc structure.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. Through the fixed frame, hydraulic cylinder, oil pressure pump module, jacking rod, limiting plate, bending plate, folding elbow, fixed frame and electromagnetic heating coil provided in the present utility model, the electromagnetic heating coil can quickly heat the plate, and then insert the preheated plate between the jacking rod and the folding elbow. The hydraulic cylinder pushes the jacking rod to move upward, so that the plate can be quickly bent, simplifying the bending steps and reducing the waste of manpower. Description of the Drawings

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is a right-view structural diagram of the fixed frame in the present utility model;

[0015] Figure 3 is the present utility model Figure 1 a side-sectional structural diagram of the bending plate and the second reinforcing rib in;

[0016] Figure 4 is a side-sectional view schematic diagram of the present utility model.

[0017] In the figure: 1, fixed frame; 2, hydraulic cylinder; 3, jacking rod; 4, limiting plate; 5, first reinforcing rib; 6, bending plate; 7, oil pressure pump module; 8, fixed frame; 9, electromagnetic heating coil; 10, second reinforcing rib; 11, folding elbow. Detailed Embodiment

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-4, this embodiment provides a technical solution: a variable cross-section steel column web and flange bending device, including a fixing frame 1, a hydraulic cylinder 2 is installed on the inner bottom side of the fixing frame 1, a jacking rod 3 is installed on the upper side of the hydraulic cylinder 2, and limiting plates 4 are arranged at the contact positions between the inner side surfaces of the fixing frame 1 and both ends of the jacking rod 3. A first reinforcing rib 5 is welded to one side surface of the limiting plate 4, a bending plate 6 is welded to the inner top surface of the fixing frame 1, second reinforcing ribs 10 are welded to both side surfaces of the bending plate 6, a fixing frame 8 is installed on one side of the fixing frame 1, an electromagnetic heating coil 9 is arranged on the inner side surface of the fixing frame 8, an oil pressure pump module 7 is installed on the outer side of the fixing frame 1, and a bending head 11 is arranged at the lower edge of the bending plate 6.

[0020] As Figures 1-4 shown, when bending the web of the variable cross-section steel column, the web structure is extended into the inner side of the electromagnetic heating coil 9 in the fixing frame 8. The electromagnetic heating coil 9 can heat the bending area of the plate. After heating, the plate is moved between the bending head 11 and the jacking rod 3 on the bending plate 6. The oil pressure pump module 7 pushes the jacking rod 3 through the hydraulic cylinder 2, so that the jacking rod 3 pushes the plate upward. The jacking rod 3 and the bending plate 6 are bent under the bending action, and the bending process of the plate structure is completed.

[0021] The fixing frame 1 and the hydraulic cylinder 2 are connected by bolts, and the oil pressure pump module 7 and the hydraulic cylinder 2 are connected by a oil pipe. The oil pressure pump module 7 provides power for the hydraulic cylinder 2.

[0022] The limiting plate 4 is welded to the fixing frame 1, and the first reinforcing rib 5 is welded to the fixing frame 1. The limiting plate 4 can provide a limit for the movement of the jacking rod 3 to ensure the stable up and down movement of the jacking rod 3.

[0023] The fixing frame 8 and the fixing frame 1 are connected by bolts, and the fixing frame 8 and the electromagnetic heating coil 9 are connected by a card slot. The fixing frame 8 fixes the electromagnetic heating coil 9.

[0024] The telescopic rod structure of the hydraulic cylinder 2 and the jacking rod 3 are connected by bolts, and the jacking rod 3 is slidably connected between the limiting plates 4.

[0025] The cross-section of the bending head 11 is an arc structure.

[0026] The working principle of the variable cross-section steel column web and flange bending device provided by the present utility model is as follows: As Figures 1-4 shown, when bending the web of the variable cross-section steel column, the web structure is extended into the inner side of the electromagnetic heating coil 9 in the fixing frame 8. The electromagnetic heating coil 9 can heat the bending area of the plate. After heating, the plate is moved between the bending head 11 and the jacking rod 3 on the bending plate 6. The oil pressure pump module 7 pushes the jacking rod 3 through the hydraulic cylinder 2, so that the jacking rod 3 pushes the plate upward. The jacking rod 3 and the bending plate 6 are bent under the bending action, and the bending process of the plate structure is completed.

[0027] The above are only embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A web plate wing plate bending device for a variable-section steel column, comprising a fixing frame (1), characterized in that: A hydraulic cylinder (2) is installed on the inner bottom side of the fixed frame (1), and a lifting rod (3) is installed on the upper side of the hydraulic cylinder (2). A limit plate (4) is provided at the contact position between the inner side surface of the fixed frame (1) and the two ends of the lifting rod (3). A first reinforcing rib (5) is welded to one side of the limit plate (4). A bending plate (6) is welded to the inner top side surface of the fixed frame (1), and second reinforcing ribs (10) are welded to both sides of the bending plate (6). A fixing frame (8) is installed on one side of the fixed frame (1), and an electromagnetic heating coil (9) is provided on the inner side surface of the fixing frame (8). A hydraulic pump module (7) is installed on the outer side of the fixed frame (1), and a bending head (11) is provided on the lower edge of the bending plate (6).

2. The web flange bending device of a variable-section steel column according to claim 1 is characterized in that: The fixing frame (1) is connected to the hydraulic cylinder (2) via bolts, and the hydraulic pump module (7) is connected to the hydraulic cylinder (2) via an oil pipe.

3. The web and flange bending device of a variable-section steel column according to claim 1, characterized in that: The limiting plate (4) is welded to the fixing frame (1), and the first reinforcing rib (5) is welded to the fixing frame (1).

4. The web and flange bending device of a variable-section steel column according to claim 1, characterized in that: The fixing frame (8) is connected to the fixing frame (1) via bolts, and the fixing frame (8) is connected to the electromagnetic heating coil (9) via a slot.

5. The web and flange bending device of a variable-section steel column according to claim 1, characterized in that: The telescopic rod structure of the hydraulic cylinder (2) is connected to the lifting rod (3) via bolts, and the lifting rod (3) is slidably connected between the limiting plates (4).

6. The web flange bending device of a variable-section steel column according to claim 1, characterized in that: The cross section of the bending head (11) is an arc-shaped structure.

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