CN211505041U - Wire and cable bending test device - Google Patents

Abstract

A wire and cable bending test device, comprising a horizontal shaft, two ends of the horizontal shaft are respectively connected with a bracket bearing, an inverted conical cylinder is fixedly installed on the outer circumference of the horizontal shaft, the horizontal shaft and the center line of the inverted conical cylinder are collinear, and the inverted conical cylinder is installed. Several annular grooves are evenly opened on the outer circumference of the annular groove. The center lines of the annular grooves are collinear and have the same depth. The front wall of the inverted conical cylinder extends, and the lower side of the threaded hole is respectively provided with grooves corresponding to the through holes. The utility model has a simple structure, can simultaneously bend wires and cables with different degrees of curvature, converts the rotary motion of the motor into a reciprocating rotary motion through the crank-rocker structure, the control circuit of the motor is simpler, and the service life of the motor can be prolonged, and the wire The cable fixing operation is convenient, which can meet the market demand and is suitable for promotion.

Description

A wire and cable bending test device

technical field

The utility model belongs to the field of wire and cable bending testing devices, in particular to a wire and cable bending testing device.

Background technique

In the process of production and use, the wire and cable needs to be wound on the wire roller. Winding the wire and cable back and forth will cause damage to the wire and cable. Therefore, the bending test of the wire and cable has become one of the important standards for the quality test of the wire and cable, but the existing The wire and cable bending test device can only bend the wire and cable with a single degree of bending, which does not conform to the law of winding wires and cables with different diameters, resulting in too one-sided test results. Fixing the wires and cables one by one is cumbersome. During the bending measurement, the motor is rotated forward and reversed, which requires complex motor control circuit and affects the service life of the motor, which cannot meet the actual needs. Therefore, we designed a new type of wire and cable bending test device.

Utility model content

The utility model provides a wire and cable bending test device, which is used to solve the defects in the prior art.

The utility model is realized through the following technical solutions:

A wire and cable bending test device, comprising a horizontal shaft, two ends of the horizontal shaft are respectively connected with a bracket bearing, an inverted conical cylinder is fixedly installed on the outer circumference of the horizontal shaft, the horizontal axis and the center line of the inverted conical cylinder are collinear, and the inverted conical cylinder is installed. Several annular grooves are evenly opened on the outer circumference of the annular groove. The center lines of the annular grooves are collinear and the depth is the same. The front wall of the inverted conical cylinder extends, and the lower side of the threaded hole corresponds to the through hole with grooves respectively, and the grooves connect the corresponding through holes with the threaded holes respectively. The upper end of the splint is respectively connected with the screw bearing, and the screw can only drive the splint to move left and right into the through hole along the corresponding groove; the left side of the bracket is fixedly installed with the motor, and the left end of the motor shaft passes through the bracket and is fixedly connected to the lower end of the crank. The upper end of the crank is hingedly connected to the lower end of the rocker, the upper end of the rocker is hingedly connected to the front side of the left side of the large gear, the large gear is connected to the bearing of the bracket, the right end of the outer circumference of the horizontal shaft is fixedly installed with a pinion, and the pinion meshes with the large gear. There are several counterweight blocks on the top side.

In the above-mentioned bending test device for electric wires and cables, vertical pipes are respectively provided below the annular grooves, and the vertical pipes and the bracket are fixedly connected by connecting rods.

In the above-mentioned wire and cable bending test device, a fan is fixedly installed on the left side of the bracket, and the fan is blowing air to the measuring wire and cable.

In the above-mentioned wire and cable bending test device, the right side of the splint is covered with a rubber layer.

In the above-mentioned bending test device for wires and cables, the outer edges of the through holes are respectively covered with rubber layers.

In the above-mentioned wire and cable bending test device, a handwheel is fixedly installed on the left end of the screw rod.

The advantages of the utility model are: the utility model has a simple structure, can bend wires and cables with different degrees of curvature at the same time, converts the rotary motion of the motor into a reciprocating rotary motion through the structure of a crank rocker, the control circuit of the motor is simpler, and can The service life of the motor is prolonged, and the wire and cable fixing operation is convenient, which can meet the market demand and is suitable for promotion. When using the utility model, firstly insert the upper ends of the wires and cables into the through holes respectively, tighten the screw rod, the screw rod drives the splint to move to the right along the corresponding groove into the through holes, and the upper ends of the wires and cables are respectively connected by the corresponding splint and the through hole. The hole is clamped and fixed, and then the counterweight is fixed to the lower end of the wire and cable through the fixed rope of the counterweight, so that the wire and cable are straightened by the gravity of the counterweight, and then the motor is energized, and the shaft of the motor drives the crank to rotate, the rocker The upper end starts to drive the big gear to shake, so that the big gear reciprocates a certain angle, the big gear drives the pinion to reciprocate and rotate, the angle of the pinion rotation is -350°～+350°, and the pinion drives the inverted conical cylinder to rotate through the horizontal axis. , so that the wires and cables are respectively wound in different annular grooves, and then the wires and cables are pulled out from the annular grooves. Due to the different diameters of the annular grooves, the bending degrees of the wires and cables after winding the annular grooves are different; The shaft rotates once every second, the crank rotates once, the rocker swings back and forth once, and the big gear drives the pinion to rotate back and forth once, that is, after the wires and cables are wound into the annular groove, they are pulled out from the annular groove once. The number of seconds the motor rotates is the number of times the wire and cable is bent. After the wire and cable is bent for a certain number of times, the wire and cable are respectively detected for damage, cracks, cracks, and the breakage rate of the conductor strands to complete the wire and cable test.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

FIG. 1 is a schematic structural diagram of the present utility model; FIG. 2 is an enlarged view of part I of FIG. 1 .

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

A wire and cable bending test device, as shown in the figure, includes a horizontal shaft 1, the two ends of the horizontal shaft 1 are respectively connected with the bearings of the bracket 2, the outer circumference of the horizontal shaft 1 is fixedly installed with an inverted cone 3, and the horizontal shaft 1 is connected with the inverted cone. The center line of the shaped cylinder 3 is collinear, the outer circumference of the inverted conical cylinder 3 is evenly opened with several annular grooves 4, the center lines of the annular groove 4 are collinear and the depth is the same, and the front side of the annular shaped groove 4 is respectively provided with through holes 5 , the front side of the right side of the inverted conical cylinder 3 is provided with a threaded hole 6, and the threaded hole 6 extends along the front wall of the inverted conical cylinder 3. The lower side of the threaded hole 6 corresponds to the through hole 5 to open grooves 7 respectively, and the grooves 7 are respectively The corresponding through hole 5 is communicated with the threaded hole 6, the screw 8 is installed in the threaded hole 6, the splint 9 is movably installed in the groove 7, and the upper end of the splint 9 is respectively connected with the bearing of the screw 8, and the screw 8 can only drive The splint 9 moves left and right along the corresponding groove 7 into the through hole 5; the left side of the bracket 2 is fixedly installed with the motor 10, the rotating shaft of the motor 10 rotates once every second, and the left end of the rotating shaft of the motor 10 passes through the bracket 2 and is fixedly connected to the crank 11 The lower end of the crank 11 is hingedly connected to the lower end of the rocker 12, the upper end of the rocker 12 is hingedly connected to the front side of the left side of the large gear 13, the large gear 13 is connected to the bearing of the bracket 2, and the right end of the outer circumference of the horizontal shaft 1 is fixedly installed with a pinion gear 14. The pinion gear 14 is engaged with the large gear 13, and the top side of the bracket 2 is provided with several counterweight blocks 15. The utility model has a simple structure, can simultaneously bend wires and cables with different degrees of curvature, converts the rotary motion of the motor into a reciprocating rotary motion through the crank-rocker structure, the control circuit of the motor is simpler, and the service life of the motor can be prolonged, and the wire The cable fixing operation is convenient, which can meet the market demand and is suitable for promotion. When using the utility model, first insert the upper ends of the wires and cables into the through holes 5 respectively, tighten the screw rod 8, and the screw rod 8 drives the splint 9 to move rightwards into the through holes 5 along the corresponding groove 7, and the upper ends of the wires and cables are respectively It is clamped and fixed by the corresponding splint 9 and the through hole 5, and then the counterweight 15 is fixed to the lower end of the wire and cable through the fixing rope of the counterweight 15, so that the wire and cable are straightened by the gravity of the counterweight 15, and then feed the motor to the motor. 10 is powered on, the rotating shaft of the motor 10 drives the crank 11 to rotate, the upper end of the rocker 12 starts to drive the large gear 13 to shake, so that the large gear 13 reciprocates a certain angle, the large gear 13 drives the pinion 14 to reciprocate and rotate, and the angle of the pinion 14 revolves The range is -350°～+350°. The pinion 14 drives the inverted cone 3 to rotate through the horizontal axis 1, so that the wires and cables are wound in different annular grooves 4 respectively, and then the wires and cables are pulled from the annular groove 4. Because the diameter of the annular groove 4 is different, the bending degree of the wire and cable after winding the annular groove 4 is different; the rotating shaft of the motor 10 rotates once every second, the crank 11 rotates once, the rocker 12 swings back and forth once, and the large The gear 13 drives the pinion 14 to reciprocate once, that is, after the wire and cable is wound into the annular groove 4, it is pulled out from the annular groove 4 again. After the cable is bent for a certain number of times, the wire and cable damage, cracks, crack degree and conductor strand breakage rate are respectively detected to complete the wire and cable test.

Specifically, as shown in the figure, vertical pipes 16 are respectively provided below the annular groove 4 in this embodiment, and the vertical pipes 16 and the bracket 2 are fixedly connected by connecting rods 17 . The wires and cables to be measured are passed through the standpipe 16. The standpipe 16 has a guiding function to prevent the wires and cables from swinging out of the annular groove 4 left and right.

Specifically, as shown in the figure, a fan 18 is fixedly installed on the left side of the bracket 2 in this embodiment, and the fan 18 is blowing toward the measurement wire and cable. The fan 18 can blow away the heat generated by the high-frequency bending of the wire and cable, reduce the error with the actual situation, and make the measurement result more reasonable.

Further, as shown in the figure, the right side of the splint 9 in this embodiment is covered with a layer of rubber layer respectively. The friction force between the splint 9 and the measuring wire and cable can be increased, so that the splint 9 can hold the wire and cable more firmly, and the wire and cable can be prevented from being clamped by the splint 9 .

Further, as shown in the figure, the outer edges of the through holes 5 in this embodiment are respectively covered with rubber layers. Avoid scratching the wire and cable by the outer edge of the through hole 5 .

Further, as shown in the figure, a handwheel 19 is fixedly installed on the left end of the screw rod 8 in this embodiment. Rotating the screw 8 through the hand wheel 19 saves effort and increases the user experience.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit of the technical solutions of the embodiments of the present invention and range.

Claims (6)

1. The utility model provides a crooked testing arrangement of wire and cable which characterized in that: comprises a cross shaft (1), two ends of the cross shaft (1) are respectively connected with a support (2) through bearings, an inverted cone (3) is fixedly installed at the periphery of the cross shaft (1), the center lines of the cross shaft (1) and the inverted cone (3) are collinear, a plurality of annular grooves (4) are uniformly formed in the periphery of the inverted cone (3), the center lines of the annular grooves (4) are collinear and have the same depth, through holes (5) are respectively formed in the front sides of the annular grooves (4), threaded holes (6) are formed in the front sides of the right sides of the inverted cone (3), the threaded holes (6) extend along the front wall of the inverted cone (3), grooves (7) are respectively formed in the through holes (5) corresponding to the lower sides of the threaded holes (6), the grooves (7) respectively communicate the corresponding through holes (5) with the threaded holes (6), a screw rod (8) is installed in the threaded holes (6), clamping plates (, the upper ends of the clamping plates (9) are respectively connected with the screw rod (8) through bearings, and the screw rod (8) can only drive the clamping plates (9) to move left and right along the corresponding grooves (7) to enter the through holes (5); left side fixed mounting motor (10) of support (2), the lower extreme of support (2) fixed connection crank (11) is passed to the left end of motor (10) pivot, the articulated lower extreme of connecting rocker (12) in upper end of crank (11), the articulated front side of connecting gear wheel (13) left side in upper end of rocker (12), gear wheel (13) are connected with support (2) bearing, right-hand member fixed mounting pinion (14) of cross axle (1) periphery, pinion (14) and gear wheel (13) meshing cooperation, the top side of support (2) is equipped with several balancing weight (15).

2. A wire and cable bending test apparatus according to claim 1, wherein: and a vertical pipe (16) is respectively arranged below the annular groove (4), and the vertical pipe (16) is fixedly connected with the support (2) through a connecting rod (17).

3. A wire and cable bending test apparatus according to claim 1, wherein: and a fan (18) is fixedly arranged on the left side of the bracket (2), and the fan (18) blows air to the measuring wire and cable.

4. A wire and cable bending test apparatus according to claim 1, wherein: the right side of the clamping plate (9) is respectively covered with a rubber layer.

5. A wire and cable bending test apparatus according to claim 1, wherein: the outer side edges of the through holes (5) are respectively covered with a rubber layer.

6. A wire and cable bending test apparatus according to claim 1, wherein: and a hand wheel (19) is fixedly arranged at the left end of the screw rod (8).

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