CN-122015662-A - Wire and cable length metering device and method

CN122015662ACN 122015662 ACN122015662 ACN 122015662ACN-122015662-A

Abstract

The invention belongs to the technical field of cable equipment, in particular to a wire and cable length metering device and a method, comprising a supporting frame; the two sides of the support frame, which are close to the top, are rotatably connected with support arms; one ends of the two supporting arms far away from the supporting frame are respectively provided with a rotating rod and a supporting rod, and the rotating rods are driven by a first servo motor; one side of the top surface of the support frame is fixedly connected with a support plate; one side of the supporting plate is provided with a symmetrically arranged connecting rod; the surfaces of the connecting rods are respectively and rotatably connected with an upper press roller; the support frame top surface is installed a pair of linking arm in the position department that the connecting rod corresponds, shines the Doppler effect that removes the electric wire cable and produce through laser and calculates the length of electric wire cable, has avoided wheeled meter ware when measuring the electric wire cable, and the measuring wheel can produce the problem of skidding with the electric wire cable between, and then has guaranteed final measurement accuracy.

Inventors

GAO YAN
LI YUZHUO
LIU JIAN

Assignees

重庆开钛能源科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260325

Claims (10)

1. The wire and cable length metering device is characterized by comprising a support frame, wherein two sides of the support frame, which are close to the top, are respectively connected with a support arm in a rotating mode, one ends of the two support arms, which are far away from the support frame, are respectively provided with a rotating rod and a support rod, the rotating rods are driven by a first servo motor, one side of the top surface of the support frame is fixedly connected with a support plate, one side of the support plate is provided with a symmetrically arranged connecting rod, the surfaces of the connecting rods are respectively connected with an upper pressing roller in a rotating mode, the top surface of the support frame is provided with a pair of connecting arms at positions corresponding to the connecting rods, the tops of the two connecting arms are respectively connected with a lower pressing roller in a rotating mode, one side of the support plate, which is close to the connecting rods, is provided with a laser length measuring instrument, and the laser length measuring instrument comprises a laser, an optical lens group, a photoelectric detector, a signal processor and a microprocessor.
2. The wire and cable length metering device according to claim 1 is characterized in that a sliding plate is fixedly connected between the two connecting rods, the sliding plate is in sliding connection with the supporting plate, the bottoms of the two connecting arms are rotatably connected with a connecting frame in a common mode, the connecting frame is in sliding connection with the supporting plate, and a double-tooth screw is in common threaded connection between the sliding plate and the connecting frame.
3. The wire and cable length metering device according to claim 2 is characterized in that sliding grooves are formed in one sides, far away from a supporting plate, of two connecting arms, sliding columns are connected in the two sliding grooves in a sliding mode, one ends of the two sliding columns are fixedly connected with a connecting plate together, a pull plate is fixedly connected to the bottom surface of the middle of the connecting plate and is in sliding connection with a supporting frame, through holes are formed in the bottoms of the pull plates, and elastic pieces are fixedly connected between the two connecting arms and the supporting frame.
4. The electric wire and cable length metering device according to claim 3, wherein the support frame is internally and rotatably connected with a pair of first gears, one of the first gears is driven by a second servo motor, and the two gears are respectively meshed with support arms on two sides.
5. The electric wire and cable length metering device disclosed by claim 4 is characterized in that one end, far away from a first gear, of each supporting arm is provided with a containing groove, a sliding rod is connected in a sliding mode in the containing grooves, a second gear is connected in a rotating mode at a position, close to a notch, of each containing groove, the second gear is meshed with the sliding rod, one side, far away from a rotating rod, of each supporting arm is connected with a transmission rod in a rotating mode, the transmission rods are fixedly connected with the second gear, a rotating column is connected in a rotating mode at a rotating connection position of each supporting arm and the corresponding supporting arm, the rotating columns are connected with the corresponding transmission rods through chains, a driving rod is connected between the corresponding two transmission rods in a rotating mode and driven by a third servo motor, and the driving rods are connected with the corresponding two rotating columns through the corresponding chains.
6. The wire and cable length metering device according to claim 5 is characterized in that a rotating groove is formed in one end, far away from a supporting arm, of each supporting rod, each supporting rod is connected with an adjusting rod in a rotating mode, a pair of baffles are connected to one end, far away from the supporting arm, of each supporting rod in a rotating mode, a gear three is connected to a notch, close to the rotating groove, of each supporting rod in a sliding mode and meshed with the two baffles, a spring is fixedly connected between the gear three and the groove bottom of the rotating groove, and the diameter of the gear three is larger than that of the notch of the rotating groove.
7. The electric wire and cable length metering device of claim 6, wherein the end, close to the supporting arm, of the supporting rod is fixedly connected with a connecting column, the connecting column is rotationally connected with a sliding rod close to one side of the supporting arm, the end face of the connecting column is slidingly connected with an inserting rod, the inserting rod penetrates through the connecting column, two pairs of jacks are formed in the end, close to the inserting rod, of the sliding rod close to the connecting column, the jacks are matched with the inserting rod, a magnet column is fixedly connected to the bottoms of the jacks, the inserting rod is made of magnetizable metal, and handles are fixedly connected to the ends, far away from the jacks, of the two inserting rods.
8. The electric wire and cable length metering device disclosed by claim 7 is characterized in that a mounting groove is formed in the surface of the rotating rod, a fixing rod is fixedly connected inside the mounting groove, a first counter-rotating plate is rotatably connected to the surface of the fixing rod, a threaded rod is rotatably connected to the end face of the fixing rod and rotatably connected with the rotating rod, a sleeve is connected to the surface of the threaded rod in a threaded manner, a second counter-rotating plate is rotatably connected to the surface of the sleeve, and a retaining plate is rotatably connected between the first counter-rotating plate and the second counter-rotating plate in a common rotation mode.
9. A wire and cable length metering method, which adopts the wire and cable length metering device as claimed in any one of claims 1 to 8 to meter the cable length, and is characterized in that the method comprises the following steps: S1, firstly, a user extracts the wire head of a long electric wire cable to be tested from a spool, then adjusts the interval between an upper pressing roller and a lower pressing roller through a double-tooth screw rod to enable the wire head to be just suitable for the electric wire cable, and then manually pulls the wire head to pass through a laser length measuring instrument and the upper pressing roller and the lower pressing roller on the other side, wherein the laser length measuring instrument can meter a section of the electric wire cable manually extracted during the period; S2, after the wire end of the long electric wire cable to be detected is drawn to the rotating rod, a user needs to install a spool, on which the electric wire cable is not wound, on the surface of the rotating rod, and then the user fixes the wire end of the electric wire cable to be detected on the surface of the spool; s3, after the wire end of the wire cable to be detected is fixed on the surface of the spool, which is not wound with the wire cable, the servo motor can drive the spool to rotate through the rotating rod, so that the wire cable on the other side is continuously pulled, the wire cable continuously passes through the laser length measuring instrument, and when the wire cable completely passes through the laser length measuring instrument, the laser length measuring instrument can display the complete length of the wire cable.
10. The method for measuring the length of the electric wire and the cable according to claim 9, wherein the S1 electric wire and the cable pass through the laser length measuring instrument, the laser in the laser length measuring instrument emits a laser beam with stable frequency and excellent monochromaticity, the laser beam passes through the optical lens group and is shaped into a measuring light spot with small diameter and concentrated energy, the measuring light spot is precisely focused on the surface of the electric wire and the cable, the photoelectric detector receives the laser beam scattered back by the surface of the electric wire and the frequency of the scattered laser beam changes due to the Doppler effect, the frequency variation is related to the moving speed of the electric wire, and then the moving speed of the electric wire and the cable are obtained through analysis and processing by the signal processor and the microprocessor, and then the moving speed of the electric wire and the cable are integrated with time, and finally the length of the electric wire and the cable is obtained.

Description

Wire and cable length metering device and method Technical Field The invention belongs to the technical field of cable equipment, and particularly relates to a wire and cable length metering device and a method. Background The wire and cable is a basic component for power transmission, information transmission and electrical equipment connection, is widely applied to various fields such as traffic, energy, communication, construction, industrial production and the like, and is generally composed of a conductor, an insulating layer, a shielding layer, a protective layer and other structures, wherein the conductor is mainly made of copper or aluminum and is responsible for conducting current or signals, the insulating layer is made of polyvinyl chloride or polyethylene and other materials for wrapping the conductor, so that electric leakage and short circuit are prevented, the rest of the shielding layer can reduce electromagnetic interference, the protective layer provides mechanical protection and environmental tolerance, and in the production and use processes, the length of the wire and cable needs to be measured in order to determine the yield or allowance of the wire and cable. The prior art also proposes solutions for length metering of electric wires and cables, for example, using a wheel meter for metering the length of electric wires and cables, which mainly comprises: the wire and cable to be measured is contacted with the measuring wheel in the conveying process and driven to roll, and each circle of the measuring wheel represents the wire and cable passing through the circumference of the measuring wheel, so that the length of the wire and cable is related to the number of turns of the measuring wheel, the encoder counts the number of turns of the measuring wheel, and the length of the wire and cable is converted through the circumference of the measuring wheel. The measuring wheel is driven to rotate by the electric wires and the cables, the rotation number of the measuring wheel is related to the length of the electric wires and the cables, the measuring wheel can be driven to rotate by the electric wires and the cables, and the measuring wheel is in contact with the electric wires and the cables for a long time when the electric wires and the cables with longer length are measured, so that the measurement is error due to the fact that the slipping phenomenon is caused, the slipping phenomenon is accumulated continuously, and the measuring precision of the electric wires and the cables is finally affected. To this end, the invention provides a wire and cable length metering device and method. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme includes that the wire and cable length metering device comprises a support frame, support arms are rotatably connected to two sides, close to the top, of the support frame, a rotating rod and a support rod are respectively arranged at one end, far away from the support frame, of each support arm, the rotating rod is driven by a servo motor, a support plate is fixedly connected to one side of the top surface of the support frame, a symmetrically arranged connecting rod is arranged at one side of the support plate, upper press rollers are rotatably connected to the surfaces of the connecting rods, a pair of connecting arms are arranged at positions, corresponding to the connecting rods, of the top surface of the support frame, lower press rollers are rotatably connected to the tops of the two connecting arms, a laser length measuring instrument is arranged at one side, close to the connecting rods, of the support plate, and the laser length measuring instrument comprises a laser, an optical lens group, a photoelectric detector, a signal processor and a microprocessor. Preferably, a sliding plate is fixedly connected between the two connecting rods, and the sliding plate is in sliding connection with the supporting plate; the bottoms of the two connecting arms are connected with a connecting frame in a common rotation mode, the connecting frame is connected with the supporting plate in a sliding mode, and a double-tooth screw rod is connected between the sliding plate and the connecting frame in a common threaded mode. The connecting arms are arranged on the two sides far away from the supporting plate, sliding columns are arranged in the two sliding grooves in a sliding mode, one ends of the two sliding columns are fixedly connected with a connecting plate together, the bottom surface of the middle of the connecting plate is fixedly connected with a pulling plate which is in sliding connection with the supporting frame, a through hole is formed in the bottom of the pulling plate, and a spring piece is fixedly connected between the two connecting arms and the supporting frame. Preferably, the inside of the support frame is rotatably con