Optical cable winding tester

Abstract

The utility model discloses an optical cable winding testing machine which comprises a rack, a servo motor, loading weights and weight clamps, the left side and the right side of the rack are respectively provided with a supporting frame, the loading weights are respectively installed at the two ends of an optical cable sample through the weight clamps, and a transverse roller is rotatably connected between the upper portions of the two supporting frames. The roller is provided with a multi-step diameter, the output end of the servo motor is provided with a speed reducer, the speed reducer is installed on the side face of one supporting frame, a center shaft at one end of the roller is connected with the speed reducer, and the cylindrical face of each step of the roller is provided with a clamp. A horizontally-arranged limiting mechanism is fixedly installed between the two supporting frames. The servo motor is adopted to drive the roller to rotate, the roller has different diameters, different test requirements can be met, and the servo motor can be utilized to accurately control the number of rotation turns or angles of the roller.

Description

Technical Field

[0001] The utility model relates to the technical field of optical cable detection, in particular to an optical cable winding test machine. Background Art

[0002] Optical cables are manufactured to meet optical, mechanical or environmental performance specifications. They are communication cable components that use one or more optical fibers placed in a sheath as transmission media and can be used individually or in groups. Optical cables are mainly composed of optical fibers (glass fibers as thin as hair) and plastic protective sleeves and plastic sheaths. The purpose of the optical cable winding test is to detect the bending performance of the optical cable. Existing winding test machines generally use motor-driven rollers to test the optical cable samples, and the current single-diameter rollers can only meet limited test conditions. Utility Model Content

[0003] The purpose of the utility model is to provide an optical cable winding test machine to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an optical cable winding test machine, comprising a frame, a servo motor, a load weight and a weight clamp, wherein support frames are respectively arranged on the left and right sides of the frame, and the load weights are respectively installed on the two ends of the optical cable sample through the weight clamp, and a horizontal roller is rotatably connected between the upper parts of the two support frames, and the roller is provided with a multi-step diameter, and a reducer is installed at the output end of the servo motor, and the reducer is installed on the side of one of the support frames, and the central axis of one end of the roller is connected to the reducer, and the cylindrical surface of each step of the roller is respectively installed with a clamp, and a horizontal limiting mechanism is fixedly installed between the two support frames, and the limiting mechanism comprises two relatively parallel slide rails, and slider groups are respectively arranged at both ends of the slide rails, and each of the slider groups comprises a slider a and a slider b, and the slider b is located at the inner end of the slider a, and a horizontal light rod a is connected between the two sliders a opposite to each other on the left and right, and a horizontal light rod b is connected between the two sliders b opposite to each other on the left and right, and the optical cable sample passes between the light rod a and the light rod b.

[0005] Preferably, both ends of the cylindrical section of each stage of the drum are provided with protruding flange rings.

[0006] Preferably, a bearing seat is installed at the upper end of the support frame, and the central axis of the drum end is installed with the bearing seat.

[0007] Preferably, a blocking cover is installed at the end of the slide rail to limit the slider group from sliding out, and a fixing plate is provided in the inner cavity of the slide rail. A spring is installed on the side of the fixing plate, and the spring applies a thrust to the slider b to move closer to the slider a.

[0008] Compared with the prior art, the utility model has the following beneficial effects: the utility model adopts a servo motor to drive the drum to rotate, and the drum is provided with diameters of different sizes, which can meet different test requirements, and the servo motor can be used to accurately control the number of rotations or angles of the drum. The limit mechanism constrains the vertical sections at both ends of the sample, reduces the swing of the sample during the winding test, and improves safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0010] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0011] Figure 3 It is a side view structural schematic diagram of the utility model;

[0012] Figure 4 It is a structural schematic diagram of the limiting mechanism of the utility model.

[0013] In the figure: 1. frame; 2. servo motor; 3. reducer; 4. roller; 5. bearing seat; 6. fixture; 7. weight fixture; 8. load weight; 9. limit mechanism; 91. slide rail; 92. bare rod a; 93. bare rod b; 94. slider a; 95. slider b; 96. spring. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0015] See also Figure 1-4 The utility model provides a technical solution: an optical cable winding test machine, comprising a frame 1, a servo motor 2, a load weight 8 and a weight clamp 7, the weight clamp 7 adopts a clamp type clamp in the prior art, and support frames are respectively arranged on the left and right sides of the frame 1, the load weight 8 is respectively installed on the two ends of the optical cable sample through the weight clamp 7, and the weight clamp 7 is fixed to the end of the sample to support the load weight 8, and a horizontal roller 4 is rotatably connected between the upper parts of the two support frames, and a bearing seat 5 is installed on the upper end of the support frame, and the central axis of the end of the roller 4 is installed with the bearing seat, and protruding flange rings are provided at both ends of the cylindrical section of each level of the roller 4, and the flange rings are used to limit the optical cable of the sample from sliding out from the two ends of the step axis surface.

[0016] The drum 4 is provided with a multi-step diameter, a reducer 3 is installed at the output end of the servo motor 2, and the reducer 3 is installed on the side of one of the support frames. The central axis at one end of the drum 4 is connected to the reducer 3, and the servo motor 2 drives the rotation smoothly. The cylindrical surface of each step of the drum 4 is respectively installed with a clamp 6, and the clamp 6 is a U-shaped elastic clip. The clamp 6 is used to fix the middle point of the optical cable sample to be tested. The drum 4 with multi-step diameter can meet different winding test requirements.

[0017] A horizontal limiting mechanism 9 is fixedly installed between the two support frames. The limiting mechanism 9 includes two relatively parallel slide rails 91. Slider groups are respectively arranged at both ends of the slide rails 91. Each slider group includes slider a94 and slider b95. Slider b95 is located at the inner end of slider a94. A horizontal light rod a92 is connected between the two sliders a94 opposite to each other, and a horizontal light rod b93 is connected between the two sliders b95 opposite to each other. A plug cover is installed at the end of the slide rail 91 to limit the slider group from sliding out. A fixed plate is arranged in the inner cavity of the slide rail 91. A spring 96 is installed on the side of the fixed plate. The spring 96 applies a thrust to the slider b95 to approach the slider a94, so that the light rod a92 and the light rod b93 are close to each other. The optical cable sample passes between the light rod a92 and the light rod b93 and constrains the optical cable sample longitudinally. In this way, during the winding test, the longitudinal forward and backward swing of the sample can be reduced, and the safety of the test can be improved. During the winding test, the two ends of the sample reciprocate up and down with the winding of the roller 4.

[0018] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An optical cable winding test machine, comprising a frame (1), a servo motor (2), a load weight (8) and a weight fixture (7), wherein the frame (1) is provided with support frames on both sides thereof, and the load weight (8) is respectively installed at both ends of an optical cable sample through the weight fixture (7), wherein: A horizontal roller (4) is rotatably connected between the upper parts of the two support frames, and the roller (4) is provided with a multi-step diameter. A reducer (3) is installed at the output end of the servo motor (2), and the reducer (3) is installed on the side of one of the support frames. The central axis of one end of the roller (4) is connected to the reducer (3), and the cylindrical surface of each step of the roller (4) is respectively installed with a clamp (6). A horizontal limiting mechanism (9) is fixedly installed between the two support frames, and the limiting mechanism ( 9) comprises two relatively parallel slide rails (91), and a slider group is respectively provided at both ends of the slide rails (91), and each of the slider groups comprises a slider a (94) and a slider b (95), and the slider b (95) is located at the inner end of the slider a (94), and a horizontal optical rod a (92) is connected between the two sliders a (94) opposite to each other on the left and right, and a horizontal optical rod b (93) is connected between the two sliders b (95) opposite to each other on the left and right, and the optical cable sample passes between the optical rod a (92) and the optical rod b (93).

2. The optical cable winding tester according to claim 1, characterized in that: Both ends of the cylindrical section of each stage of the roller (4) are provided with protruding flange rings.

3. The optical cable winding tester according to claim 1, characterized in that: A bearing seat (5) is installed at the upper end of the support frame, and the central axis of the end of the roller (4) is installed on the bearing seat.

4. The optical cable winding tester according to claim 1, characterized in that: A blocking cover is installed at the end of the slide rail (91) to limit the sliding of the slider group. The inner cavity of the slide rail (91) is provided with a fixing plate. A spring (96) is installed on the side of the fixing plate. The spring (96) applies a thrust to the slider b (95) to move closer to the slider a (94).

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