Tension winding equipment for testing and evaluating composite cable

Abstract

The invention relates to the technical field of composite cable testing, and discloses a tension winding device for testing and evaluating a composite cable, which comprises a test board, and further comprises a winding mechanism arranged on the test board and used for winding the composite cable for testing; the inclined blanking plate is fixedly connected to the inner wall of the test board, is inclined to the front side, and is used for sliding the broken composite cable out of the test board; the clamping mechanism is arranged on the winding mechanism and is used for fixing the composite cable for testing; through the synergistic effect of the rotating shaft, the rope winding drum and the rotating torque sensor in the winding mechanism, the tension and the torque of the composite cable in the winding process can be accurately measured. The use of the rotating torque sensor ensures high precision and high reliability of test data, and provides a scientific basis for performance evaluation of the composite cable. The winding mechanism is driven by a motor, automatic winding and tension control can be achieved, the testing efficiency is improved, and errors caused by manual operation are reduced.

Claims

1. A tension winding device for testing and evaluating a composite cable, comprising a test bench (1), characterized in that: Also includes: A winding mechanism (2), arranged on the test bench (1), and used for winding the composite cable for testing; An inclined blanking plate (3) is fixedly connected to the inner wall of the test bench (1) and is arranged with an inclined surface facing the front, so as to be used for the broken composite cable to slide out of the test bench (1); A clamping mechanism (4), arranged on the winding mechanism (2), and used to fix the composite cable for testing; A protection mechanism (5) is arranged on the test bench (1) and is used for protection during testing; The winding mechanism (2) comprises: Two rotating shafts (21) are respectively rotatably connected to the inner wall of the test bench (1) and movably penetrate the test bench (1) and extend rearward; Two rope winding drums (22) are respectively fixedly sleeved on the outer wall of the rotating shaft (21) and are used for winding up the composite cable to perform tension testing; The protection mechanism (5) comprises: A protective plate (51) is hinged in a mounting groove opened above the test bench (1) and flipped between the two rope drums (22) to shield the composite cable under test; A limit rod (52) movably connected to a movable groove provided on the test bench (1) and in contact with the protective plate (51) for preventing the protective plate (51) from turning over; A pull rod (54) hinged on the front side of the limiting rod (52); The toggle wheel (56) is fixedly sleeved on the outer wall of the rotating shaft (21) and is used for rotating the toggle pull rod (54) to move and separate from the protective plate (51).

2. A tension winding device for testing and evaluating a composite cable according to claim 1, characterized in that: The winding mechanism (2) comprises: Support plate 1 (24) and support plate 2 (25) are respectively fixedly connected to the back side of the test bench (1); Two motors (26) are respectively fixedly connected above the second support plate (25), and the output ends of the motors (26) are connected to the extended ends of the rotating shaft (21) for driving the rotating shaft (21) to rotate; Two rotational torque sensors (23) are respectively fixedly connected above the support plate 1 (24) and are respectively installed on the outer walls of the extended ends of the two rotating shafts (21) for testing the torque of the rotating shafts (21) when they rotate.

3. A tension winding device for testing and evaluating a composite cable according to claim 2, characterized in that: Two L-shaped limit blocks (55) are fixedly connected to the inner wall of the test bench (1), and the L-shaped limit blocks (55) are symmetrically arranged, and the upper and lower sides of the pull rod (54) are respectively provided with sliding grooves and are located on the two L-shaped limit blocks (55) to slide; A toothed groove is provided above the pull rod (54), and a plurality of protrusions are provided on the outer wall of the shifting wheel (56), and the ends of the protrusions are arranged in a semicircular shape and are used to abut against the toothed groove to pull the pull rod (54) to move; Two elastic rods (53) are mounted on the inner wall of the movable groove and connected to the limiting rod (52) to push the limiting rod (52) to move.

4. A tension winding device for testing and evaluating a composite cable according to claim 3, characterized in that: The protective plate (51) comprises two arc-shaped plates, one of which is movably connected to the inner wall of the other arc-shaped plate, and the outer arc-shaped plate is pushed close to the inclined blanking plate (3) by a spring.

5. A tension winding device for testing and evaluating a composite cable according to claim 4, characterized in that: The protection mechanism (5) further comprises: A material unloading push plate (57) is slidably connected above the inclined material unloading plate (3), and two sides of the material unloading push plate (57) are movably connected to two sides of the test bench (1); Two fixing rods (58) fixedly connected to the through holes on both sides of the test bench (1); Two return springs (59) are sleeved on the outer wall of the fixing rod (58) and are used to push the unloading push plate (57) to move forward.

6. A tension winding device for testing and evaluating a composite cable according to claim 5, characterized in that: The clamping mechanism (4) comprises: An arc-shaped groove (41) is formed on the rope winding drum (22); Two arc-shaped clamping plates (42) are respectively slidably connected to the inner walls of the arc-shaped groove (41); A semicircular groove (43) is respectively provided between the two arc-shaped clamping plates (42); a knot is provided on the outer wall of the composite cable; and the two semicircular grooves (43) are used to limit the position of the knot of the composite cable; The slide rod (44) and the adjusting screw rod (45) are respectively rotatably connected to the rope winding drum (22), and the two arc-shaped clamping plates (42) are respectively slidably connected to the slide rod (44) and threadedly connected to the adjusting screw rod (45). The adjusting screw rod (45) is a bidirectional screw rod. The adjusting screw rod (45) rotates to push the two arc-shaped clamping plates (42) to move.

7. A tension winding device for testing and evaluating a composite cable according to claim 6, characterized in that: The clamping mechanism (4) further comprises: A fixing cylinder (46) fixedly connected to the inner wall of the rope winding cylinder (22); An adjusting cylinder (47) rotatably connected to the outer wall of the fixing cylinder (46); A plurality of mounting holes are provided on the outer wall of the adjusting cylinder (47), and one end of the composite cable is mounted in the mounting hole via a fixing screw (48).

8. A tension winding device for testing and evaluating a composite cable according to claim 7, characterized in that: A ratchet (49) is fixedly connected to the inner wall of the adjustment cylinder (47); The outer wall of the fixing cylinder (46) is provided with a plurality of grooves, and a pawl (491) is hingedly connected to one side of the inner wall of the groove via a pin shaft, and a spring sheet (492) is installed on the other side of the groove via a pin shaft, and two ends of the spring sheet (492) respectively abut against the inner wall of the groove and the pawl (491) to push the pawl (491) to deflect toward the ratchet wheel (49).

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