Steel pipe bending device

Abstract

The utility model discloses a steel pipe bending device which comprises two arc-shaped pipes arranged side by side, the two arc-shaped pipes are connected through a plurality of connecting round pipes, the same ends of the two arc-shaped pipes are jointly and fixedly connected with a U-shaped pin, and the three connecting round pipes located at the two ends and in the middle are fixedly connected with supporting rods respectively. The free ends of the three supporting rods are jointly connected with an operation steel pipe. The steel pipe bending device solves the problems that in the steel pipe bending process in the prior art, a steel pipe is prone to deformation seriously, and the steel pipe cannot be rapidly bent to the needed bending degree.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe processing and relates to a steel pipe bending device. Background Art

[0002] The underground fitter team of the electromechanical team is mainly responsible for the daily maintenance of the ground factory machinery and equipment, factory heating facilities and water pumps. In the daily work of fitters, they need to bend steel pipes frequently, and the traditional bending method is basically through mechanical strong stretching. This traditional bending method will cause serious deformation of the steel pipe, shorten the service life, and the shape is not beautiful. It is difficult to quickly bend to the required curvature, and it is more complicated to bend steel pipes below 20mm through mechanical strong stretching, which affects work efficiency. Utility Model Content

[0003] The utility model aims to provide a steel pipe bending device, which solves the problem in the prior art that the steel pipe is easily deformed seriously and cannot be quickly bent to a required curvature during the steel pipe bending process.

[0004] The technical solution adopted by the utility model is that the steel pipe bending device includes two arc-shaped pipes arranged side by side, the two arc-shaped pipes are connected by a plurality of connecting circular pipes, the same end of the two arc-shaped pipes is fixedly connected with a U-shaped pin, wherein the three connecting circular pipes located at the two ends and the middle are respectively fixedly connected with support rods, and the free ends of the three support rods are connected with an operating steel pipe.

[0005] The utility model is also characterized in that:

[0006] A plurality of connecting circular tubes are arranged on the arc tube in parallel and at equal distances.

[0007] The diameter of the arc tube is 18mm.

[0008] The three support rods are equidistant from the position points where the circular tube is connected, the three support rods have the same length, and the three support rods are symmetrical about the middle support rod.

[0009] The two free ends of the U-shaped pin are respectively fixedly connected to the two arc-shaped tubes.

[0010] The beneficial effects of the utility model are as follows: the bending device provided by the utility model can quickly and relatively perfectly bend a steel pipe with a thickness of less than 20 mm into the required curvature, is easy to use, greatly improves work efficiency, and is not easy to deform the steel pipe during the bending process. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the steel pipe bending device of the utility model;

[0012] Figure 2 It is the front view of the steel pipe bending device of the utility model.

[0013] In the figure, 1. arc tube, 2. connecting round tube, 3. support rod, 4. U-shaped pin, 5. operating steel pipe. DETAILED DESCRIPTION

[0014] The utility model is described in detail below with reference to the accompanying drawings and specific implementation modes.

[0015] The utility model steel pipe bending device is as follows Figure 1 As shown, it includes two arc tubes 1 arranged side by side. In the utility model, the diameter of the arc tube 1 is 18 mm. The two arc tubes 1 are connected by a plurality of connecting circular tubes 2, wherein the plurality of connecting circular tubes 2 are equidistantly and parallelly arranged on the arc tube 1. A U-shaped pin 4 is fixedly connected to the same end of the two arc tubes 1. The two free ends of the U-shaped pin 4 are respectively fixedly connected to the two arc tubes 1. The U-shaped pin mainly plays a fixing and limiting role when the steel tube is bent.

[0016] like Figure 2 As shown, support rods 3 are fixedly connected to the three connecting circular tubes 2 at both ends and in the middle, respectively. Specifically, the three support rods 3 are equidistantly arranged at the connection points with the connecting circular tubes 2, the three support rods 3 are of the same length, and the three support rods 3 are symmetrical about the middle support rod 3, so as to ensure balanced force during use.

[0017] The free ends of the three support rods 3 are commonly connected with an operating steel pipe 5, and the operating steel pipe 5 is mainly used to facilitate the operator to control.

[0018] The specific method of bending a steel pipe using the utility model steel pipe bending device is as follows:

[0019] Insert one end of the steel pipe to be bent into the U-shaped pin 4, then place the end of the steel pipe to be bent away from the U-shaped pin 4 on the ground, and step on the steel pipe to be bent with your feet. The operator holds the operating steel pipe 5 and slowly applies force to bend the steel pipe to the required curvature.

[0020] Example 1

[0021] The steel pipe bending device includes two arc-shaped pipes 1 arranged side by side, the two arc-shaped pipes 1 are connected by a plurality of connecting circular pipes 2, a U-shaped pin 4 is fixedly connected to the same end of the two arc-shaped pipes 1, and support rods 3 are fixedly connected to the three connecting circular pipes 2 located at the two ends and the middle respectively, and the free ends of the three support rods 3 are connected to the operating steel pipe 5.

[0022] Example 2

[0023] The steel pipe bending device includes two arc-shaped pipes 1 arranged side by side, the diameter of the arc-shaped pipe 1 is 18 mm, and the two arc-shaped pipes 1 are connected by a plurality of connecting circular pipes 2, wherein the plurality of connecting circular pipes 2 are equidistantly and parallelly arranged on the arc-shaped pipe 1, and a U-shaped pin 4 is fixedly connected to the same end of the two arc-shaped pipes 1, and the U-shaped pin mainly plays a fixed limiting role when the steel pipe is bent, wherein the three connecting circular pipes 2 located at the two ends and the middle are respectively fixedly connected with support rods 3, and the free ends of the three support rods 3 are commonly connected to a galvanized operating steel pipe 5.

[0024] Example 3

[0025] The steel pipe bending device comprises two arc-shaped pipes 1 arranged side by side, and the two arc-shaped pipes 1 are connected by a plurality of connecting circular pipes 2, wherein the plurality of connecting circular pipes 2 are arranged equidistantly and in parallel on the arc-shaped pipes 1, and a U-shaped pin 4 is fixedly connected to the same end of the two arc-shaped pipes 1, and the two free ends of the U-shaped pin 4 are respectively fixedly connected to the two arc-shaped pipes 1, and the U-shaped pin plays a fixing and limiting role when the steel pipe is bent.

[0026] The three connecting circular tubes 2 at both ends and in the middle are respectively fixed with support rods 3. Specifically, the three support rods 3 are equidistantly arranged at the connection points with the connecting circular tubes 2, the three support rods 3 have the same length, and the three support rods 3 are symmetrical about the middle support rod 3, so as to ensure balanced force during use.

[0027] The free ends of the three support rods 3 are commonly connected with an operating steel pipe 5, and the operating steel pipe 5 is mainly used to facilitate the operator to control.

[0028] When in use, insert the steel pipe to be bent into the U-shaped pin 4, then place the end of the steel pipe to be bent away from the U-shaped pin 4 on the ground, and step on the steel pipe to be bent with the foot. The operator holds the operating steel pipe 5 and slowly applies force to bend the steel pipe to the required curvature.

Claims

1. Steel pipe bending device, characterized in that: The invention comprises two arc-shaped tubes (1) arranged side by side, the two arc-shaped tubes (1) are connected via a plurality of connecting circular tubes (2), a U-shaped pin (4) is fixedly connected to the same end of the two arc-shaped tubes (1), and support rods (3) are fixedly connected to three connecting circular tubes (2) at the two ends and in the middle, respectively, and the free ends of the three support rods (3) are connected to an operating steel tube (5).

2. The steel pipe bending device according to claim 1, characterized in that: A plurality of connecting circular tubes (2) are arranged on the arc-shaped tube (1) in parallel and at equal distances.

3. The steel pipe bending device according to claim 1, characterized in that: The diameter of the arc tube (1) is 18 mm.

4. The steel pipe bending device according to claim 1, characterized in that: The three support rods (3) are equidistantly arranged at the positions where the three support rods (3) are connected to the circular tube (2); the three support rods (3) have the same length; and the three support rods (3) are symmetrical about the middle support rod (3).

5. The steel pipe bending device according to claim 1, characterized in that: The two free ends of the U-shaped pin (4) are respectively fixedly connected to the two arc-shaped tubes (1).

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