Wire sheath flexibility testing device

Abstract

The utility model relates to the field of wire testing, in particular to a wire sheath flexibility testing device. The utility model provides a wire sheath flexibility testing device which can detect the flexibility of a wire in two different modes, improve the accuracy of wire flexibility detection and improve the effect of flexibility detection. A wire sheath flexibility testing device comprises a base, first supporting frames, an air cylinder, a rotating frame and the like, the left upper side of the base is connected with the left first supporting frame and the right first supporting frame, the air cylinder is connected between the upper portions of the first supporting frames, and the telescopic end of the air cylinder is rotationally connected with the rotating frame. According to the utility model, the electric wire is pushed rightwards through the limiting column, so that the electric wire is bent, the rotating frame is driven to rotate through the servo motor, so that the electric wire is in contact with the limiting column, and the electric wire is twisted, and therefore, the flexibility of the electric wire can be detected through two different modes, and the accuracy of the flexibility detection of the electric wire can be improved; and the flexibility detection effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of wire testing, in particular to a wire sheath flexibility testing device. Background Art

[0002] The wire jacket flexibility test is used to evaluate the performance and durability of the wire insulation layer and sheath materials when repeatedly bent, twisted or stretched. Because in actual use, the outer layer of the wire needs to maintain good flexibility and resilience to prevent the wire from breaking, deforming or reducing insulation performance when bent or stressed.

[0003] The existing wire sheath flexibility test is performed by the inspector holding both ends of the wire and then pulling the wire outward or twisting it. Since the manual pulling test cannot ensure uniform pulling force, human errors are prone to occur, which affects the accuracy of the wire sheath flexibility test, resulting in poor test results and inconvenience.

[0004] Therefore, a wire sheath flexibility testing device has been developed that can test the flexibility of wires in two different ways, thereby improving the accuracy of wire flexibility testing and improving the effect of flexibility testing. Utility Model Content

[0005] In order to overcome the shortcomings of the existing wire sheath flexibility test, in which the manual pulling test cannot ensure uniform pulling force and is prone to human errors, thereby affecting the accuracy of the wire sheath flexibility test, resulting in poor and inconvenient wire sheath flexibility test results, the utility model provides a wire sheath flexibility testing device that can detect the flexibility of the wire in two different ways, thereby improving the accuracy of the wire flexibility detection and the effect of the flexibility detection.

[0006] The technical solution is: a wire sheath flexibility testing device, including a base, a first support frame, a cylinder, a rotating frame, a limit column, a condensation assembly and a clamping and stretching mechanism. The upper left side of the base is connected to two left and right first support frames, a cylinder is connected between the upper parts of the first support frames, the rotating frame is rotatably connected to the telescopic end of the cylinder, the upper left and right sides of the rotating frame are both connected to limit columns, the upper middle side of the rotating frame is connected to a condensation assembly, and the base is provided with a clamping and stretching mechanism for fixing the wire sheath.

[0007] In addition, it is particularly preferred that the clamping and stretching mechanism includes a second support frame, a spring, a connecting piece and a bolt, the upper sides of the front and rear parts of the base are connected to the second support frame, the inner side of the second support frame is connected to the connecting piece through the spring, and the left and right parts of the connecting piece are threadedly connected with bolts.

[0008] In addition, it is particularly preferred that a torsion mechanism is also included, which includes a connecting frame and a servo motor. The telescopic end of the cylinder is connected to the connecting frame, and the connecting frame is connected to the servo motor. The output shaft of the servo motor passes through the telescopic end of the cylinder and is connected to the rotating frame.

[0009] In addition, it is particularly preferred that the limiting column is made of rubber material.

[0010] Furthermore, it is particularly preferred that the second support frame is T-shaped.

[0011] Furthermore, it is particularly preferred if the screw is provided with a handle.

[0012] The utility model has the following advantages: 1. The utility model pushes the wire to the right through the limit column, thereby bending the wire, and drives the rotating frame to rotate through the servo motor, so that the wire contacts the limit column, and then twists the wire, thereby achieving the goal of testing the flexibility of the wire in two different ways, improving the accuracy of the flexibility detection of the wire, and improving the effect of the flexibility detection.

[0013] 2. The utility model rotates the bolt by a handle so that the bolt moves under the action of the thread, inserts the wire to be tested into the connector, and then rotates the bolt in the opposite direction so that the bolt moves under the action of the thread, thereby making the bolt contact with the wire, thereby clamping and fixing the wire to prevent the wire from slipping during the bending process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model.

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the clamping and stretching mechanism of the utility model.

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the torsion mechanism of the utility model.

[0019] Among them, the above-mentioned drawings include the following figure marks: 1: base, 2: first support frame, 3: cylinder, 4: rotating frame, 5: limiting column, 6: condensation assembly, 7: clamping and stretching mechanism, 70: second support frame, 71: spring, 72: connecting part, 73: bolt, 8: torsion mechanism, 80: connecting frame, 81: servo motor. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] A wire sheath flexibility testing device, such as Figure 1-Figure 3 As shown, it includes a base 1, a first support frame 2, a cylinder 3, a rotating frame 4, a limiting column 5, a condensation component 6 and a clamping and stretching mechanism 7. The upper left side of the base 1 is connected to the left and right first support frames 2, the cylinder 3 is connected between the upper parts of the first support frames 2, the rotating frame 4 is rotatably connected to the telescopic end of the cylinder 3, the upper left and right sides of the rotating frame 4 are both connected to the limiting columns 5, the limiting columns 5 are made of rubber and have good wear resistance, the upper middle side of the rotating frame 4 is connected to the condensation component 6, and the base 1 is provided with a clamping and stretching mechanism 7 for fixing the outer skin of the wire.

[0022] like Figure 1 , Figure 2 and Figure 4 As shown, the clamping and stretching mechanism 7 includes a second support frame 70, a spring 71, a connecting piece 72 and a bolt 73. The second support frame 70 is connected to the upper sides of the front and rear parts of the base 1. The second support frame 70 is T-shaped for easy support. The inner side of the second support frame 70 is connected to the connecting piece 72 through the spring 71. The left and right parts of the connecting piece 72 are threadedly connected with the bolt 73. The bolt 73 is provided with a handle for easy rotation.

[0023] like Figure 1 , Figure 2 and Figure 5 As shown, it also includes a torsion mechanism 8, which includes a connecting frame 80 and a servo motor 81. The connecting frame 80 is connected to the telescopic end of the cylinder 3, and the servo motor 81 is connected to the connecting frame 80. The output shaft of the servo motor 81 passes through the telescopic end of the cylinder 3 and is connected to the rotating frame 4.

[0024] When using the utility model, first place the base 1 in the test area of ​​the flexibility of the outer jacket of the wire, turn the bolt 73 by the handle, so that the bolt 73 moves under the action of the thread, and the wire to be tested is inserted into the connecting piece 72, and then the bolt 73 is turned in the opposite direction, so that the bolt 73 moves under the action of the thread, and then the bolt 73 contacts the wire, so that the wire is clamped and fixed to prevent the wire from slipping during the bending process, and the wire is cooled by the condensation component 6, and the cylinder 3 on the first support frame 2 is started, and the rotating frame 4 is driven to move to the right by the cylinder 3, and then the limiting column 5 is driven to move to the right, and the spring 71 is stretched, so that the rotating frame 4 The limit column 5 contacts with the wire, so that the limit column 5 pushes the wire to the right, thereby bending the wire. When the wire is pulled to the limit, the servo motor 81 on the connecting frame 80 is started, and the servo motor 81 drives the rotating frame 4 to rotate, so that the wire contacts with the limit column 5, and then the wire is twisted, so that the flexibility of the wire is tested in two different ways, the accuracy of the flexibility test of the wire is improved, and the effect of the flexibility test is improved. After the test is completed, the servo motor 81 is turned off, and the cylinder 3 is started in the reverse direction to drive the wire to move to the left. The spring 71 rebounds to reset the connecting piece 72. Under the action of the spring 71, the wire is prevented from being damaged and broken during the test.

[0025] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A wire sheath flexibility testing device, characterized in that: The utility model comprises a base (1), a first support frame (2), a cylinder (3), a rotating frame (4), a limiting column (5), a condensing assembly (6) and a clamping and stretching mechanism (7); the upper left side of the base (1) is connected to two first support frames (2) on the left and right sides; the upper part of the first support frames (2) is connected to the cylinder (3); the rotating frame (4) is rotatably connected to the telescopic end of the cylinder (3); the upper left and right sides of the rotating frame (4) are both connected to the limiting column (5); the upper middle side of the rotating frame (4) is connected to the condensing assembly (6); and the base (1) is provided with a clamping and stretching mechanism (7) for fixing the outer skin of the electric wire.

2. A wire sheath flexibility testing device as claimed in claim 1, characterized in that: The clamping and stretching mechanism (7) comprises a second support frame (70), a spring (71), a connecting piece (72) and a bolt (73); the upper sides of the front and rear parts of the base (1) are both connected to the second support frame (70); the inner side of the second support frame (70) is connected to the connecting piece (72) via the spring (71); and the left and right parts of the connecting piece (72) are both threadedly connected to the bolt (73).

3. A wire sheath flexibility testing device as claimed in claim 2, characterized in that: The invention also comprises a torsion mechanism (8), which comprises a connecting frame (80) and a servo motor (81). The telescopic end of the cylinder (3) is connected to the connecting frame (80), the connecting frame (80) is connected to the servo motor (81), and the output shaft of the servo motor (81) passes through the telescopic end of the cylinder (3) and is connected to the rotating frame (4).

4. A wire sheath flexibility testing device as claimed in claim 1, characterized in that: The limiting column (5) is made of rubber.

5. A wire sheath flexibility testing device as claimed in claim 2, characterized in that: The second support frame (70) is T-shaped.

6. A wire sheath flexibility testing device as claimed in claim 2, characterized in that: The bolt (73) is provided with a handle.

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