Twist-resistant flexible cable torsion detection device

Abstract

The utility model discloses a torsion detection device for a torsion-resistant flexible cable, and the device comprises a cable, and also comprises a housing which is internally provided with a cavity; the rotary clamping mechanism is mounted at the bottom of the accommodating cavity and is used for clamping one end of the cable and driving the cable to rotate; the movable clamping mechanism is mounted at the bottom of the accommodating cavity, is opposite to the rotary clamping mechanism and is used for clamping the other end of the cable; the adjusting mechanism comprises a guide base mounted at the bottom of the accommodating cavity and an axial driving device; the movable clamping mechanism is installed on the guiding base in a guiding mode in the direction of the rotary clamping mechanism, and the axial driving device drives the movable clamping mechanism to move and adjust the axial tension of the cable. The rotary clamping mechanism and the movable clamping mechanism respectively clamp the two ends of the cable, and the movable clamping mechanism is driven by the axial driving device to move on the guide base, so that the cable straightening and twisting inspection precision can be realized without being influenced by the length of the cable.

Description

Technical Field

[0001] The utility model relates to the technical field of cable testing, and more specifically to a torsion detection device for a torsion-resistant soft cable. Background Art

[0002] The cable torsion test is an important test to evaluate the cable's ability to resist torsional deformation during use. This is essential to ensure the long-term performance, reliability and safety of the cable, especially in environments where the cable may frequently experience mechanical movement or dynamic loads, such as internal wiring of machines, mobile equipment, and rotating parts connections of wind turbines.

[0003] The cable twist test equipment in the prior art clamps the two ends of the cable by including two clamps, one of which is fixed and the other is connected to a motor to drive the clamp to rotate, thereby twisting the cable. The distance between the two clamps is fixed. During the test, it is necessary to ensure that the length of the tested cable is kept at a suitable distance between the two clamps. Otherwise, the cable cannot be straightened, which affects the test accuracy. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model aims to provide a torsion detection device for a torsion-resistant flexible cable.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions: A torsion detection device for a torsion-resistant flexible cable, comprising a cable, and also comprising:

[0006] A casing having a cavity disposed therein;

[0007] A rotating clamping mechanism is installed on the bottom of the cavity and is used to clamp one end of the cable and drive the cable to rotate;

[0008] A movable clamping mechanism is installed at the bottom of the cavity and is arranged opposite to the rotating clamping mechanism, and is used to clamp the other end of the cable;

[0009] The adjusting mechanism comprises a guide base and an axial driving device installed at the bottom of the cavity; the movable clamping mechanism is installed on the guide base to guide the rotating clamping mechanism, and the axial driving device drives the movable clamping mechanism to move and adjust the axial tension of the cable.

[0010] Preferably, the rotary clamping mechanism comprises: a positioning seat, a first clamp, and a torsion driver; the first clamp is rotatably mounted on a side of the positioning seat close to the movable clamping mechanism; the torsion driver is connected to the first clamp to drive the first clamp to rotate.

[0011] Preferably, the movable clamping mechanism comprises: a mounting plate, a second clamp mounted on the mounting plate, and a tension sensor located between the first clamp and the mounting plate.

[0012] Preferably, a groove is provided inside the guide base, a slide plate is installed on the top, and a sliding sleeve is sleeved on the slide plate; the axial drive device includes a screw rod rotatably installed in the groove and a motor driving the screw rod to rotate; a transmission block is threadedly sleeved on the screw rod, and the transmission block is connected to the sliding sleeve; the mounting plate is fixed on the sliding sleeve.

[0013] Preferably, a hot or cold temperature controller is installed inside or outside the casing, and the hot or cold temperature controller controls the temperature inside the cavity.

[0014] Preferably, the housing is provided with an opening, and a transparent cover is installed on the opening.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] (1) The rotating clamping mechanism and the movable clamping mechanism clamp the two ends of the cable respectively, and the movable clamping mechanism is driven to move on the guide base by the axial drive device. In this way, the cable can be straightened regardless of the length of the cable, and the torsion inspection accuracy can be improved.

[0017] (2) The tension sensor can detect the tension of the cable and cooperate with the adjustment mechanism to ensure that the tension on the cable is consistent during detection, or to apply different tensions to cables of different specifications to improve the detection accuracy of torsion.

[0018] (3) The casing can wrap the internal structure to prevent accidental injury caused by splashing after the cable breaks.

[0019] (4) The hot and cold temperature controller can simulate the detection of cable torsion at different temperatures to improve the comprehensiveness of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0022] Figure 3 It is a partial cross-sectional view of the utility model.

[0023] Description of the numbers in the figure:

[0024] 1. Cable; 2. Casing; 21. Cavity; 22. Opening; 23. Transparent cover; 3. Rotary clamping mechanism; 31. Positioning seat; 32. First clamp; 33. Torsion driver; 4. Movable clamping mechanism; 41. Mounting plate; 42. Second clamp; 43. Tension sensor; 5. Adjustment mechanism; 51. Guide base; 52. Axial drive device; 511. Cavity; 512. Slide plate; 513. Sleeve; 514. Transmission block; 521. Screw; 522. Motor; DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] A torsion detection device for a twist-resistant flexible cable comprises a cable 1, and also comprises: a housing 2, in which a cavity 21 is arranged; a rotating clamping mechanism 3, installed on the bottom of the cavity 21, used to clamp one end of the cable 1 and drive the cable 1 to rotate; a movable clamping mechanism 4, installed on the bottom of the cavity 21 and arranged opposite to the rotating clamping mechanism 3, used to clamp the other end of the cable 1; an adjusting mechanism 5, comprising a guide base 51 and an axial driving device 52 installed at the bottom of the cavity 21; the movable clamping mechanism 4 is installed on the guide base 51 to guide in the direction of the rotating clamping mechanism 3, and the axial driving device 52 drives the movable clamping mechanism 4 to move and adjust the axial tension of the cable 1.

[0027] It can be understood that the housing 2 is a protective structure, which can be a semi-enclosed or fully enclosed structure. The rotating clamping mechanism 3 and the movable clamping mechanism 4 are used to clamp and fix the cable 1 at both ends. The clamping ends of the two can be fixed by clamps, bolts, etc. The movable clamping mechanism 4 does not rotate, while the rotating clamping mechanism 3 rotates, so that the cable 1 can be twisted. The guide seat guides the movable clamping mechanism 4. Sliding guides, rolling guides, gear rack guides and other structures can be used between the two, and the guiding direction is to guide the rotating clamping mechanism 3 back and forth. The axial drive device 52 can use a telescopic device, such as a cylinder, an electric push rod, etc., and can also use a screw 521 transmission structure, and the driving direction is consistent with the guiding direction of the rotating clamping mechanism 3.

[0028] In this arrangement, the two ends of the cable 1 are clamped by the rotating clamping mechanism 3 and the movable clamping mechanism 4, and then the movable clamping mechanism 4 is driven by the axial driving device 52 to move on the guide base 51, thereby straightening the cable 1, and then the rotating clamping mechanism 3 is rotated to twist the cable 1, thereby realizing automatic straightening and twisting of the cable 1 to ensure inspection accuracy.

[0029] In some embodiments, the rotating clamping mechanism 3 includes: a positioning seat 31, a first clamp 32, and a torsion driver 33; the first clamp 32 is rotatably mounted on the side of the positioning seat 31 close to the movable clamping mechanism 4; the torsion driver 33 is connected to the first clamp 32 to drive the first clamp 32 to rotate. It can be understood that the rotational installation of the first clamp 32 and the positioning seat 31 can adopt a shaft hole matching structure, or can be rotatably installed through a bearing matching structure. The torsion driver 33 uses a motor, or a motor with a transmission component such as a reducer, to drive the first clamp 32 to rotate.

[0030] In some embodiments, the movable clamping mechanism 4 includes: a mounting plate 41, a second clamp 42 mounted on the mounting plate 41, and a tension sensor 43 located between the first clamp 32 and the mounting plate 41. Further, a groove 511 is provided inside the guide base 51, a slide plate 512 is mounted on the top, and a sleeve 513 is sleeved on the slide plate 512; the axial drive device 52 includes a screw rod 521 rotatably mounted in the groove 511 and a motor 522 driving the screw rod 521 to rotate; a transmission block 514 is threadedly sleeved on the screw rod 521, and the transmission block 514 is connected to the sleeve 513; the mounting plate 41 is fixed on the sleeve 513. It can be understood that the motor 522 drives the screw rod 521 to rotate forward and reverse, and the transmission block 514 drives the sleeve 513 to slide back and forth, thereby driving the second clamp 42 to pull back and move. The motor 522 and the sensor can be used in conjunction with a controller and a display. The sensor displays the tension of the cable 1 on the display. By setting the tension of the cable 1 , the controller can control the rotation of the motor 522 and thereby adjust the moving distance of the second clamp 42 to control the tension of the cable 1 .

[0031] In some embodiments, a hot or cold temperature controller is installed inside or outside the housing 2, and the hot or cold temperature controller controls the temperature inside the cavity 21. The hot or cold temperature controller can be an air conditioner, or a refrigerator or a heater can be used in a separate structure. In this way, the temperature inside the cavity 21 can be controlled to simulate the torsion test of the cable 1 at different temperatures.

[0032] In some embodiments, the housing 2 is provided with an opening 22, and a transparent cover plate 23 is installed on the opening 22. The transparent cover plate 23 can be connected to the housing by hinges, rotating hinges, etc. The transparent cover plate 23 is used to facilitate observation of the twisting of the cable 1 inside the housing 2.

[0033] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A torsion detection device for a torsion-resistant flexible cable, comprising a cable (1), characterized in that: Also includes: A housing (2) having a cavity (21) disposed therein; A rotating clamping mechanism (3) is installed at the bottom of the cavity (21) and is used to clamp one end of the cable (1) and drive the cable (1) to rotate; A movable clamping mechanism (4) is installed at the bottom of the cavity (21) and is arranged opposite to the rotating clamping mechanism (3), and is used to clamp the other end of the cable (1); The adjusting mechanism (5) comprises a guide base (51) installed at the bottom of the cavity (21) and an axial driving device (52); the movable clamping mechanism (4) is installed on the guide base (51) to guide in the direction of the rotating clamping mechanism (3), and the axial driving device (52) drives the movable clamping mechanism (4) to move and adjust the axial tension of the cable (1).

2. A torsion detection device for a torsion-resistant flexible cable according to claim 1, characterized in that: The rotary clamping mechanism (3) comprises: a positioning seat (31), a first clamp (32), and a torsion driver (33); the first clamp (32) is rotatably mounted on a side of the positioning seat (31) close to the movable clamping mechanism (4); the torsion driver (33) is connected to the first clamp (32) and thereby drives the first clamp (32) to rotate.

3. A torsion detection device for a torsion-resistant flexible cable according to claim 1, characterized in that: The movable clamping mechanism (4) comprises: a mounting plate (41), a second clamp (42) mounted on the mounting plate (41), and a tension sensor (43) located between the first clamp (32) and the mounting plate (41).

4. A torsion detection device for a torsion-resistant flexible cable according to claim 3, characterized in that: The guide base (51) is provided with a receiving groove (511) inside, and a slide plate (512) is installed on the top, and a sliding sleeve (513) is sleeved on the sliding sleeve (512); the axial driving device (52) comprises a screw rod (521) rotatably installed in the receiving groove (511) and a motor (522) driving the screw rod (521) to rotate; a transmission block (514) is threadedly sleeved on the screw rod (521), and the transmission block (514) is connected to the sliding sleeve (513); the mounting plate (41) is fixed on the sliding sleeve (513).

5. The torsion detection device for a torsion-resistant flexible cable according to claim 1, characterized in that: A hot or cold temperature controller is installed inside or outside the casing (2), and the hot or cold temperature controller controls the temperature inside the cavity (21).

6. A torsion detection device for a torsion-resistant flexible cable according to claim 1, characterized in that: The housing (2) is provided with an opening (22), and a transparent cover plate (23) is installed on the opening (22).

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