Cable fatigue test device

Abstract

The utility model discloses a cable fatigue test device, which relates to the technical field of cable test, and comprises a test box and a swing mechanism, a fixing frame is arranged in the test box, a plurality of toggle clamps for fixing the end part of a cable are arranged on the fixing frame, and the swing mechanism is arranged on the toggle clamps. And the swing mechanism is arranged in the test box and is used for carrying out fatigue tests on a plurality of cables at the same time. According to the device, multiple cables are clamped and fixed through multiple sets of toggle clamps, fixing rods and jacking screws, a first gear on an output shaft of a driving motor drives a second gear on a mounting frame to rotate, an arc-shaped plate drives a driving plate to rotate, the driving plate drives a driving rod to move, and the fixing rods drive the cables to swing and bend in a reciprocating mode; therefore, the fatigue test can be carried out on a plurality of cables, and the test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable testing, in particular to a cable fatigue testing device. Background Art

[0002] During the manufacturing process, cables often need to be tested using fatigue testing equipment. Cable fatigue testing is designed to assess the durability and reliability of cables during long-term use, particularly under repeated bending loads. This testing is crucial for ensuring cable quality and safety. However, existing cable fatigue testing equipment is not convenient for testing multiple cables simultaneously. When testing multiple groups of cables, they need to be clamped to the test equipment multiple times, resulting in low testing efficiency. Summary of the Invention

[0003] The purpose of the utility model is to provide a cable fatigue testing device to overcome the above-mentioned defects in the prior art.

[0004] A cable fatigue test device includes a test box and a swing mechanism. The test box is provided with a fixing frame, and the fixing frame is provided with a plurality of toggle clamps for fixing the cable ends. The swing mechanism is arranged in the test box and is used to perform fatigue tests on multiple cables at the same time.

[0005] Preferably, the fixing frame includes a bracket, a connecting plate and a fixing plate. Two brackets are provided and symmetrically arranged in the test box. A connecting plate is provided on the inner side of each bracket. The two ends of the fixing plate are respectively connected to the two connecting plates. The elbow clamp is provided on the front side of the fixing plate.

[0006] Preferably, the connecting plate is connected to the fixing plate by a plurality of bolts.

[0007] Preferably, the swing mechanism includes a drive motor, gear 2, a drive plate, an arc plate, a drive rod and a tightening screw. The drive motor is installed on a machine base in the test box, and the output shaft of the drive motor passes through the mounting bracket in the test box and is installed with gear 1. The gear 2 is rotatably connected to the mounting bracket and meshes with gear 1. The drive plate is hinged to the mounting bracket through a pin shaft, one end of the arc plate is hinged to gear 2 through a pin shaft, and the other end of the arc plate is hinged to the drive plate through a pin shaft, and the drive rod is hinged to the drive plate through a pin shaft. Several fixing rods are hinged on the drive rod through pin shafts, and the fixing rod is hinged to the support in the test box through pin shafts. A slot for inserting a cable is provided at the upper end of the fixing rod, and the tightening screw is threadedly connected to the fixing rod and is used to tighten the cable to the fixing rod.

[0008] Preferably, the support is a "π"-shaped structure and is arranged with the opening facing upward.

[0009] The beneficial effects achieved by the utility model are:

[0010] The present application uses multiple sets of elbow clamps, fixing rods and tightening screws to clamp and fix multiple cables, and drives the gear 1 on the output shaft of the motor to drive the gear 2 on the mounting frame to rotate, the arc plate drives the driving plate to rotate, the driving plate causes the driving rod to move, and the fixing rod drives the cable to swing back and forth, thereby performing fatigue tests on multiple cables and improving the efficiency of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic structural diagram of the utility model as a whole.

[0012] Figure 2 It is a structural diagram of the swing mechanism of the utility model.

[0013] Figure 3 A partial schematic diagram of the swing mechanism of the utility model

[0014] Figure 4 It is a structural schematic diagram of the fixing rod and the tightening screw of the utility model.

[0015] Figure 5 It is a structural diagram of the support of the utility model.

[0016] In the figure, 1. test box; 2. fixing frame; 21. bracket; 22. connecting plate; 23. fixing plate; 3. elbow clamp; 4. swing mechanism; 41. driving motor; 411. machine base; 42. mounting frame; 43. gear 1; 44. gear 2; 45. driving plate; 46. arc plate; 47. driving rod; 48. fixing rod; 481. tightening screw; 49. support. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the specific implementation methods of the present invention by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solution of the present invention.

[0018] like Figure 1-5 As shown, the utility model provides a cable fatigue test device, including a test box 1 and a swing mechanism 4. The test box 1 is provided with a fixing frame 2, and the fixing frame 2 is provided with a plurality of toggle clamps 3 for fixing the cable ends. The swing mechanism 4 is arranged in the test box 1 and is used to perform fatigue tests on multiple cables at the same time.

[0019] It should be noted that the fixing frame 2 includes a bracket 21, a connecting plate 22 and a fixing plate 23. Two brackets 21 are provided and are symmetrically arranged in the test box 1. A connecting plate 22 is provided on the inner side of each bracket 21. The connecting plate 22 is connected to the fixing plate 23 by a number of bolts. The toggle clamp 3 is provided on the front side of the fixing plate 23.

[0020] In addition, the swing mechanism 4 includes a drive motor 41, a gear 2 44, a drive plate 45, an arc plate 46, a drive rod 47 and a tightening screw 481. The drive motor 41 is installed on the base 411 in the test box 1. The output shaft of the drive motor 41 passes through the mounting frame 42 in the test box 1 and is installed with a gear 1 43. The gear 2 44 is rotatably connected to the mounting frame 42 and meshes with the gear 1 43. The drive plate 45 is hinged to the mounting frame 42 through a pin, and one end of the arc plate 46 is connected to the mounting frame 42 through a pin. It is hinged to gear 2 44, and the other end of the arc plate 46 is hinged to the drive plate 45 through a pin. The drive rod 47 is hinged to the drive plate 45 through a pin. A number of fixing rods 48 are hinged on the drive rod 47 through a pin. The fixing rods 48 are hinged to the supports 49 in the test box 1 through pins. The supports 49 are "π"-shaped structures and are opened upwards. The upper end of the fixing rod 48 is provided with a slot for inserting a cable. The tightening screw 481 is threadedly connected to the fixing rod 48 and is used to tighten the cable to the fixing rod 48.

[0021] Specific implementation and principle:

[0022] During the test, tighten the tightening screw 481 on the fixing rod 48, then insert one end of the cable to be tested into the slot on the fixing rod 48, and tighten the tightening screw 481. The other end of the cable is fixed by the toggle clamp 3 on the fixing plate 23. When multiple groups of cables are fixed between the toggle clamp and the fixing rod;

[0023] Next, close the transparent door of the test box 1, and then turn on the drive motor 41. The gear 1 43 on the output shaft of the drive motor 41 drives the gear 2 44 on the mounting bracket 42 to rotate, and drives the drive plate 45 to rotate through the arc plate 46. The drive plate 45 causes the drive rod 47 to move, and the fixed rod 48 drives the cable to swing back and forth, thereby performing a fatigue test on the cable.

[0024] The above-described embodiments of the present invention do not limit the scope of protection of the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A cable fatigue test device, characterized in that: The invention comprises a test box (1) and a swing mechanism (4). The test box (1) is provided with a fixing frame (2). The fixing frame (2) is provided with a plurality of elbow clamps (3) for fixing the ends of the cables. The swing mechanism (4) is arranged in the test box (1) and is used to perform fatigue tests on a plurality of cables at the same time.

2. A cable fatigue testing device according to claim 1, characterized in that: The fixing frame (2) comprises a bracket (21), a connecting plate (22) and a fixing plate (23). Two brackets (21) are provided and symmetrically arranged in the test box (1). A connecting plate (22) is provided on the inner side of each bracket (21). The two ends of the fixing plate (23) are respectively connected to the two connecting plates (22). The elbow clamp (3) is provided on the front side of the fixing plate (23).

3. A cable fatigue testing device according to claim 2, characterized in that: The connecting plate (22) is connected to the fixing plate (23) via a plurality of bolts.

4. A cable fatigue testing device according to claim 1, characterized in that: The swing mechanism (4) includes a drive motor (41), a gear 2 (44), a drive plate (45), an arc plate (46), a drive rod (47) and a tightening screw (481), wherein the drive motor (41) is mounted on a base (411) in the test box (1), and an output shaft of the drive motor (41) passes through a mounting frame (42) in the test box (1) and is mounted with a gear 1 (43), wherein the gear 2 (44) is rotatably connected to the mounting frame (42) and meshes with the gear 1 (43), and the drive plate (45) is hinged to the mounting frame (42) through a pin shaft. One end of the arc plate (46) is hinged to the gear 2 (44) through a pin, and the other end of the arc plate (46) is hinged to the driving plate (45) through a pin. The driving rod (47) is hinged to the driving plate (45) through a pin. A plurality of fixing rods (48) are hinged to the driving rod (47) through a pin. The fixing rod (48) is hinged to a support (49) in the test box (1) through a pin. A slot for inserting a cable is provided at the upper end of the fixing rod (48). The tightening screw (481) is threadedly connected to the fixing rod (48) and is used to tighten the cable to the fixing rod (48).

5. A cable fatigue testing device according to claim 4, characterized in that: The support (49) is a "π"-shaped structure and is arranged with its opening facing upward.

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