WO2020226263A1 - Dispositif de traction de câble d'alimentation et système de traction de câble d'alimentation - Google Patents

Dispositif de traction de câble d'alimentation et système de traction de câble d'alimentation Download PDF

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Publication number
WO2020226263A1
WO2020226263A1 PCT/KR2020/001268 KR2020001268W WO2020226263A1 WO 2020226263 A1 WO2020226263 A1 WO 2020226263A1 KR 2020001268 W KR2020001268 W KR 2020001268W WO 2020226263 A1 WO2020226263 A1 WO 2020226263A1
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WO
WIPO (PCT)
Prior art keywords
motor
gear
roller
power cable
auxiliary
Prior art date
Application number
PCT/KR2020/001268
Other languages
English (en)
Korean (ko)
Inventor
이상우
Original Assignee
이상우
주식회사 한미개발
두원이에프씨(주)
두원이엔지 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020190068181A external-priority patent/KR102237575B1/ko
Priority claimed from KR1020190101995A external-priority patent/KR102250283B1/ko
Application filed by 이상우, 주식회사 한미개발, 두원이에프씨(주), 두원이엔지 주식회사 filed Critical 이상우
Publication of WO2020226263A1 publication Critical patent/WO2020226263A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
    • B65H51/10—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements with opposed coacting surfaces, e.g. providing nips
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle

Definitions

  • the present invention relates to a wiring facility, and more particularly, to a power cable puller and a power cable puller system.
  • the technical problem to be achieved by the present invention is to provide a power cable puller that minimizes power loss by minimizing the use of a chain or belt used for power transmission.
  • the technical problem to be achieved by the present invention is to provide a power cable puller that simplifies components for wire pulling, is manufactured in a small size, is easy to install, transport and dismantle, and has a wide usable range.
  • Another technical problem to be achieved by the present invention is to provide a power cable puller system capable of installing the wire without damaging or damaging the wire by properly controlling the moving direction and the moving speed of the wire without applying excessive friction or tension to the wire. Is to do.
  • a power cable puller for solving the above problems includes a first roller having a first rotation shaft and a first friction ball surrounding the first rotation shaft, a second rotation shaft parallel to the first rotation shaft, and A second roller that has a second friction ball surrounding the second rotation shaft and is arranged to adjust the distance with respect to the first roller, a first motor coupled to the first rotation shaft to rotate the first roller, and the first roller. 2 may include a second motor coupled to the rotation shaft to rotate the second roller. In another embodiment, the rotation of the first motor and the rotation of the second motor may be synchronized with each other.
  • the power cable puller further includes a synchronization module connected to the first motor and the second motor, wherein the synchronization module drives the first motor and the second motor by frequency control
  • the rotation of the first motor and the second motor can be synchronized with each other, the first roller and the first motor are fixedly supported, and the second roller and the second roller are used to adjust the distance of the second roller with respect to the first roller. It may further include a frame support for supporting the second motor to be displaceable.
  • the frame support the frame body having an opening opening in a displacement direction so that the first roller and the second roller are exposed to the outside, and the second rotation axis of the second roller is displaced for adjusting the distance
  • a drive support slidably coupled to the frame body to fix and displace the second roller and the second motor together
  • a driver coupled to the drive support to displace the drive support
  • the driver may include a ratchet wheel rotatably coupled to the frame body and a handle bar coupled to the ratchet wheel, and in another embodiment, a rotor shaft of the first motor and a rotor of the second motor
  • the axes can be parallel to each other.
  • first friction ball and the second friction ball may have a convex axial cross-sectional shape
  • first and second friction balls may include ceramic, rubber, or synthetic resin.
  • a power cable puller for solving the above problems includes a first motor having a first driving shaft rotating at a predetermined rotational speed, and a second driving shaft having a second driving shaft rotating at a predetermined rotational speed.
  • a motor, a first reduction gear for rotating the first rotation shaft at a reduced rotation speed by decelerating the rotation speed of the first drive shaft, and rotating the second rotation shaft at a reduced rotation speed by decelerating the rotation speed of the second drive shaft A first roller having a first friction ball fixed to the first rotation shaft and rotating together and surrounding the first rotation shaft, the second rotation shaft parallel to the first rotation shaft, and the It may include a second roller that is fixed to the second rotation shaft, rotates together, and has a second friction ball surrounding the second rotation shaft, and is arranged to allow adjustment of a distance with respect to the first roller.
  • the first drive shaft and the second drive shaft may be parallel to each other.
  • a reduction ratio of the first reduction gear or the second reduction gear may be in the range of 2:1 to 10:1.
  • the first reduction gear or the second reduction gear may be a synthetic gear train including a plurality of reduction gear sets.
  • rotation of the first motor and rotation of the second motor may be synchronized with each other.
  • the power cable puller further includes a synchronization module connected to the first motor and the second motor, wherein the synchronization module drives the first motor and the second motor by frequency control to drive the first motor and the second motor. The rotation of the motor and the second motor may be synchronized with each other.
  • the power cable puller further includes an overload control module, wherein the overload control module includes a motor sensing unit that detects operation information of the first motor or the second motor, and sets an allowable range of the operation information.
  • An allowable range setting unit that compares the operation information and the allowable range to determine whether the overload is transmitted by the first motor or the second motor, and sets a reduction ratio for removing the overload, and is obtained from the overload control unit. It may include a reduction gear module for controlling a reduction ratio of the first reduction gear or the second reduction gear according to the reduced reduction ratio.
  • the power cable puller includes the first roller, the first reduction gear, and the first motor fixedly supported, and the second roller for adjusting the distance of the second roller with respect to the first roller, It may further include a frame support for supporting the second reduction gear and the second motor to be displaceable.
  • the frame support has an opening opening in a displacement direction to expose the first roller and the second roller to the outside, and to displace the second rotation axis of the second roller for adjusting the distance
  • It may include a frame body, a drive support slidably coupled to the frame body to fix and displace the second roller and the second motor together, and a driver coupled to the drive support to displace the drive support.
  • the first reduction gear and the second reduction gear may be accommodated in the frame body.
  • the actuator may include a ratchet wheel rotatably coupled to the frame body and a handle bar coupled to the ratchet wheel.
  • first friction ball and the second friction ball may have a convex axial cross-sectional shape.
  • first friction ball and the second friction ball may include ceramic, rubber, or synthetic resin.
  • a power cable puller for solving the above problems includes a first motor having a first driving shaft rotating at a predetermined rotational speed, and a second driving shaft having a second driving shaft rotating at a predetermined rotational speed.
  • the reduction ratio of the first auxiliary reducer or the second auxiliary reducer may be in the range of 2:1 to 5:1.
  • the first auxiliary reducer or the second auxiliary reducer rotates at a reduced rotational speed by being engaged with an auxiliary drive gear rotating by receiving a rotational force of the first motor or the second motor.
  • an auxiliary output gear that rotates the first auxiliary drive shaft or the second auxiliary drive shaft at the reduced rotational speed, and a fixed gear engaged with the auxiliary output gear so that the auxiliary output gear remains engaged with the auxiliary drive gear.
  • the reduction ratio of the first main reducer or the second main reducer may be in the range of 10:1 to 30:1.
  • the first main reducer or the second main reducer includes a main drive gear that rotates by receiving the rotational force of the auxiliary output gear, and a main output gear that engages with the main drive gear and rotates at a reduced rotational speed. can do.
  • the main drive gear may be a worm
  • the main output gear may be a worm gear
  • the first main reducer, the second main reducer, the first auxiliary reducer, or the second auxiliary reducer may be a synthetic gear train including a plurality of reduction gear sets.
  • the first motor and the second motor are supplied by a power signal having the same frequency component, and the first drive shaft of the first motor and the second drive shaft of the second motor are mechanically Can be independently driven.
  • the first roller, the first main reducer, the first auxiliary reducer, and the first motor are fixedly supported, and the second roller is used to adjust the distance between the second roller and the first roller. It may further include a frame support for supporting the roller, the second main reducer, the second auxiliary reducer, and the second motor to be displaceable.
  • the frame support is a frame having an opening opening in a displacement direction such that the first roller and the second roller are exposed to the outside, and the second rotation axis of the second roller is displaced to adjust the distance. It may include a main body, a drive support slidably coupled to the frame body to fix and displace the second roller and the second motor together, and a driver coupled to the drive support to displace the drive support.
  • the power cable puller may further include a guide portion disposed at the distal end of the frame support to support the power cable so that the installed power cable is spaced a predetermined height from the ground.
  • the guide portion may include a first guide roller fixed to the frame support and a second guide roller rotatably fastened to the first guide roller.
  • the rotational speed of the first motor or the second motor may be independently increased or decreased. have. In another embodiment, the increased or decreased rotational speed may be within a range of 90% to 100% of the rotational speed of the first motor or the second motor. In another embodiment, the first main reducer, the first auxiliary reducer, the second main reducer and the second auxiliary reducer may be accommodated in the frame body.
  • the actuator may include a ratchet wheel rotatably coupled to the frame body and a handle bar coupled to the ratchet wheel.
  • the first friction ball and the second friction ball may have a convex axial cross-sectional shape.
  • the first friction ball and the second friction ball may be tubes.
  • the plurality of The load of the power cable may be distributed among the two power cable pullers.
  • the rotational speed of the first motor or the second motor of the some of the power cable pullers This can be increased or decreased.
  • the increased or decreased rotation speed may be within a range of 90% to 100% of the rotation speed of the first motor or the second motor.
  • the first and second motors that transmit rotational power to each of the first and second rollers are connected, so that a power cable puller that minimizes power loss by not using a fastener such as a chain is Can be provided.
  • a power cable puller that can be applied without limitation to various types of cables may be provided by adding a driving support and a driver capable of adjusting the separation distance between the first roller and the second roller. have.
  • the rotation speed of the first motor and/or the second motor is gradually reduced by the reduction ratio of the first and/or second main reducer and the first and/or second auxiliary reducer, Even if a load is applied to the first and/or second rollers from the frictional force, tension, or load of the power cable, the rotational speed of the first motor and/or the second motor may be fluidly varied within a predetermined range, so that the first motor and / Or even if the rotation speed of the second motor is not modified by changing the individual current signal, a fairly uniform power cable laying operation may be possible.
  • a power cable puller system may be provided that is composed of power cable pullers having the above-described advantages, is easy to install, and can be easily used for laying various types of power cables. .
  • FIG. 1 is a perspective view of a power cable puller according to an embodiment of the present invention
  • Figure 2 is a plan view of the power cable puller according to the embodiment.
  • FIG. 3 is a block diagram of a synchronization module for controlling rotation of a first motor and a second motor of a power cable puller according to an embodiment of the present invention.
  • FIG. 4 is a photograph showing a connection relationship between a driving support and a driver for adjusting a separation distance according to an exemplary embodiment.
  • FIG. 5A is a perspective view of a power cable puller according to an embodiment of the present invention
  • FIG. 5B is a cross-sectional view of the power cable puller of FIG. 5A.
  • FIG. 6A is a graph showing the relationship between the torque and the number of revolutions of the DC motor
  • FIG. 6B is a graph showing the relationship between the torque and the number of revolutions of the induction motor.
  • FIG. 7A is a perspective view showing a connection relationship between a first motor, a first reduction gear, and a first rotation shaft according to an embodiment of the present invention
  • FIG. 7B is a first motor and a first reduction gear according to another embodiment of the present invention.
  • FIG. 7C is a side view showing a connection relationship between a first motor, a first reduction gear, and a first rotation shaft according to another embodiment.
  • FIG. 8 is a configuration diagram of a first motor device according to an embodiment of the present invention.
  • FIG. 9 is a block diagram of an overload control module according to an embodiment of the present invention.
  • FIGS. 10A and 10B are diagrams illustrating a method of converting a reduction ratio of a first reduction gear according to an embodiment of the present invention.
  • FIG. 11A is a perspective view of a frame support according to an embodiment of the present invention
  • FIG. 11B is a view showing an adjustment of a distance between a first roller and a second roller according to an embodiment.
  • FIG. 12 is a perspective view of a power cable puller according to an embodiment of the present invention.
  • FIG. 13 is a perspective view of a power cable puller according to an embodiment of the present invention.
  • FIG. 14A is an inner perspective view of a part of a power cable puller according to another embodiment of the present invention
  • FIG. 14B is a plan view of the power cable puller of FIG. 14A.
  • 15 is a view showing driving of a power cable puller according to an embodiment of the present invention.
  • FIG. 16A is a perspective view of a power cable puller according to an embodiment of the present invention
  • FIG. 16B is a perspective view of a power cable puller according to another embodiment of the present invention
  • FIG. 16C is a perspective view of a power cable puller according to another embodiment of the present invention. It is a perspective view of a power cable puller.
  • FIG. 17A is a view showing a guide unit according to an embodiment of the present invention
  • FIG. 17B is a view showing a guide unit according to another embodiment of the present invention.
  • FIG. 18A is a view showing a conventional power cable puller system
  • FIG. 18B is a view showing a power cable puller system according to an embodiment of the present invention.
  • references to a layer formed “on” a substrate or other layer herein refers to a layer formed directly on the substrate or other layer, or formed on an intermediate layer or intermediate layers formed on the substrate or other layer. It may also refer to a layer. Further, for those skilled in the art, a structure or shape arranged “adjacent” to another shape may have a portion disposed below or overlapping with the adjacent shape.
  • a first motor M1 a first drive shaft DRS1, a first main reducer RV1, a first auxiliary reducer SRV1, a first auxiliary drive shaft SDRS1, a first rotation shaft RS1, 1 friction ball (FR1), the first roller (R1), the disclosure of the second motor (M2), the second drive shaft (DRS2), the second main reducer (RV2), the second auxiliary reducer (SRV2), the second
  • auxiliary drive shaft SDRS2 the second rotation shaft RS2, the second friction ball FR2, the second rotation shaft RS2, the second friction ball, and the second roller
  • FIG. 1 is a perspective view of a power cable puller 10 according to an embodiment of the present invention
  • FIG. 2 is a plan view of a power cable puller 10 according to an embodiment.
  • the power cable puller 10 includes a first roller (R1), a second roller (R2), a first motor (M1), and a second motor (M2). can do.
  • the first roller R1 and the second roller R2 may be disposed in parallel on the frame support 100 supporting the first roller R1 and the second roller R2 from below.
  • the first rotation shaft RS1 of the first roller R1 is connected to the first motor M1 to receive the power of the first motor M1
  • the second rotation shaft RS2 of the second roller R2 is 2 It is connected to the motor M2 and rotates by receiving the power of the second motor M2.
  • first roller R1 and the second roller R2 may be arranged vertically.
  • a first roller (R1) is disposed at the bottom
  • a second roller (R2) is disposed above the first roller (R1)
  • the first roller (R1) and the second roller (R2) are connected It can be supported by a frame.
  • the first rotation shaft RS1 may be disposed parallel to the rotation shaft of the first motor M1
  • the second rotation shaft RS2 may be disposed parallel to the top of the first rotation shaft RS1.
  • the first rotation shaft RS1 and the rotation shaft of the first motor M1 and the rotation shaft of the second rotation shaft RS2 and the second motor M2 may be mechanically coupled by at least one power transmission gear.
  • the power transmission gear may include a bevel gear, a hypoid gear, or a worm gear. This is a non-limiting example, and any gear capable of transmitting power by connecting between two or more rotation shafts in different directions may be applied.
  • the power transmission gear and a plurality of fasteners may be included in the connection frame.
  • the connecting frame may include a plurality of frames made of a non-metallic material such as metal or ceramic, the material of the connecting frame is not limited to a specific material, and sufficient strength to support the components of the power cable puller 10 All materials having a can be applied.
  • the connection frame may have a straight line, a straight line or a curved shape whose direction is changed by bending.
  • the first roller R1 may have a first rotation shaft RS1 and a first friction ball FR1 surrounding the first rotation shaft RS1.
  • the first friction ball FR1 may be fixed to the first rotation shaft RS1 in order to receive the rotation power of the first rotation shaft RS1.
  • connection frames it may be fixed by a plurality of connection frames, or the inner surface of the first friction ball FR1 may be attached to the outer surface of the first rotation shaft RS1.
  • the second roller R2 may have a second rotation shaft RS2 parallel to the first rotation shaft RS1 and a second friction ball FR2 surrounding the second rotation shaft RS2, and the first roller R1 It can be arranged so that the spacing can be adjusted.
  • the first rotation shaft RS1 and the second rotation shaft RS2 are in a direction perpendicular to the frame support 100 supporting the first roller R1 and the second roller R2, and the first rotation shaft ( RS1) and the second rotation shaft RS2 may be disposed parallel to each other.
  • first rotation shaft RS1 and the second rotation shaft RS2 may not be parallel to each other, and the two rotation shafts may be arranged to form a predetermined angle.
  • the frame support 100 Detailed description of the frame support 100 will be described later in order to avoid redundancy.
  • the first motor M1 is coupled to the first rotation shaft RS1 to rotate the first roller R1, and the second motor M2 is coupled to the second rotation shaft RS2 to rotate the second roller ( R2) can be rotated.
  • the first motor M1 and the second motor M2 include a direct current (DC) motor such as a step motor, a servo motor including a feedback circuit, a reluctance motor, a hysteresis motor, and a permanent magnet motor.
  • DC direct current
  • synchronous motors such as DC-excited motors, asynchronous/induction motors, single-phase synchronous motors, and three-phase motors. It may include an alternating current (AC) motor.
  • AC alternating current
  • the AC motor may include an induction motor, a reversible motor, or a speed control motor.
  • an induction motor can be used, and in this case, there is an advantage of simple structure and high reliability. Accordingly, two or more motors for driving the first roller (R1) and the second roller (R2) are directly coupled to the rotation shaft through a gear by a simple structure and a small volume to transmit the driving force to each of the one motor Compared to a wire puller that transmits driving force to two rotating shafts in common using a chain, electric energy loss is small and a reliable gap adjustment caple puller 10 can be implemented.
  • the power of the induction motor may be 50 W to 500 W, or 100 W to 200 W, for example, 150 W.
  • FIG 3 is a block diagram of a synchronization module 150 for controlling rotation of the first motor M1 and the second motor M2 of the power cable puller 10 according to an embodiment of the present invention.
  • the rotation of the first motor M1 and the rotation of the second motor M2 may be synchronized with each other.
  • the power cable puller 10 is a synchronization module that synchronizes the rotations of the first motor M1 and the second motor M2 by frequency-controlled driving the first motor M1 and the second motor M2. It may further include (150).
  • the synchronization module 150 according to an embodiment includes a first detection unit 151, a second detection unit 152, a first driving circuit 153, a second driving circuit 154, and synchronization. It may include a control unit 155.
  • the first detection unit 151 senses the rotation speed of the first rotation shaft RS1 and inputs it to the synchronization control unit 155, and the second detection unit 152 senses and synchronizes the rotation speed of the second rotation shaft RS2. It can be input to the control unit 155.
  • the first sensing unit 151 and the second sensing unit 152 may measure the rotational speed of the first and second rotational shafts RS1 and RS2 per unit time, and in another embodiment, It is also possible to measure the distance between the zero-crossing point of the current signal input to the first rotation shaft RS1 and the second rotation shaft RS2.
  • the types of sensors applied to the first detection unit 151 and the second detection unit 152 are not limited to a specific example, and various types of sensors may be applied.
  • the synchronization control unit 155 is the first driving circuit 153 / the second driving circuit 154 is the first motor (M1) / second motor (M2) to the first motor (M1) / second
  • An electrical signal for controlling the speed of the motor M2 may be transmitted, and the synchronization controller 155 may receive information about a predetermined speed and a cable pulling direction from the outside. For example, when the synchronization control unit 155 receives information indicating that the cable pulling direction is changed in the direction of the first motor M1, the rotational speed of the second motor M2 is increased and the first motor M1 is By reducing the rotational speed, the cable pulling direction may be adjusted in the direction of the first motor M1. The amount of change in the cable pulling direction may be proportional to a difference between the speed of the first motor M1 and the speed of the second motor M2.
  • the cable pulling speed received by the synchronization control unit 155 from the outside and the rotational speed of the first motor M1 / second motor M2 do not match, the cable pulling speed received from the outside
  • the difference between the rotation speed of the first motor M1 and the second motor M2 can be converted into a numerical signal corresponding to -n from +n.
  • the synchronization device 155 may control the rotational speed by transmitting the signal to the first motor M1 or the second motor M2.
  • the synchronization control unit 155 may include input/output means such as a keyboard, a display device, or another individual terminal device. Information on the cable pulling speed and the cable pulling direction may be input through the input/output means, and the input of the information may be possible in a wired/wireless manner.
  • the input information may be executed identically when reused by the automatic memory memory, or may be manually stored in the memory of the synchronization control unit 155 and reset through the memory when reused.
  • the first driving circuit 153 and the second driving circuit 154 may adjust the speeds of the first motor M1 and the second motor M2 according to an electrical signal received from the synchronization control unit 155.
  • the first motor M1 and the second motor M2 are DC motors
  • the voltage of the input current or the magnitude of the current may be changed, or pulse width modulation (PWM) may be used.
  • PWM pulse width modulation
  • the first motor M1 / second motor M2 is an alternating current (AC) motor
  • the speed of the first motor M1 / second motor M2 is changed by adjusting the magnitude of the frequency. I can make it.
  • the speed of the first motor M1 / second motor M2 changed by the first driving circuit 153 and the second driving circuit 154 is again adjusted to the first sensing unit 151 and the second driving circuit 154.
  • the sensing unit 152 detects and transmits an electrical signal to the synchronization device 155, and the received electrical signal is used as an input signal, and an output signal generated by the synchronization device 155 is first
  • a feedback algorithm transmitted to the driving circuit 153 and the second driving circuit 154 may be successively performed.
  • the first driving circuit 153 and the second driving circuit 154 may include additional devices for controlling electrical signals, such as an inverter.
  • the power cable puller 10 fixedly supports the first roller R1 and the first motor M1, and adjusts the distance of the second roller R2 with respect to the first roller R1.
  • a frame support 100 for supporting the second roller R2 and the second motor M2 to be displaceable may be further included.
  • the frame support 100 may include a frame body, a driving support 120 and a driver 130.
  • the driving support 120 and the actuator 130 may be configured as an integrated frame, and each configuration may be connected by a detachable fastener, and each configuration is individually manufactured and semi-permanently using an adhesive such as an adhesive. It may be designed to be non-separable.
  • the frame support 100 includes at least one connection frame, and may further include additional components such as a connector, a fastener, and a support, and is not limited to the components of the above-described embodiment.
  • the frame body has an opening opening in the displacement direction so that the first roller R1 and the second roller R2 are exposed to the outside, and the second rotation shaft RS2 of the second roller R2 is displaced to adjust the gap.
  • the frame body may be a housing made of an opaque, translucent, or transparent material.
  • the frame body protects the first motor (M1), the second motor (M2), the drive support 120, the first rotation shaft (RS1), the second rotation shaft (RS2), and the connector between the components from the outside. It can block elements that adversely affect the maintenance and repair of the machine, such as heat, shock, etc.
  • the opening can move the second rotation shaft RS2 or the connection frame connecting the second rotation shaft RS2 and the second motor M2 so that the second roller R2 including the second rotation shaft RS2 can be displaced. It should be formed to be of sufficient size. An opening (not shown) having a sufficient size must be formed so that the first rotation shaft RS1 or the connection frame connecting the first rotation shaft RS1 and the first motor M1 can rotate. Likewise, the first friction ball (FR1) and the second friction ball (FR2) must secure a separation distance greater than that does not cause friction with the frame support 100 for rotation, the separation distance is the first friction ball (FR1) And the second friction ball FR2 may be secured by being supported by the connection frame.
  • a scale capable of measuring the separation distance between the first roller R1 and the second roller R2, a ruler with a scale, or measuring the separation distance are displayed on the screen.
  • a measurement unit such as a measurement device including an electronic device to be displayed may be added.
  • the separation distance may mean a distance from the first rotation axis RS1 to the second rotation axis RS2.
  • the separation distance may be adjusted by receiving a predetermined value from the outside of the electronic device and applying a rotational force to the ratchet wheel 141 or displacing the driving support 120.
  • the driving support 120 may be slidably coupled to the frame body to fix and displace the second roller R2 and the second motor M2 together.
  • the second roller R2 may be coupled to the second motor M2 by a connecting frame and a plurality of fasteners.
  • the connecting frame supports the second roller R2 and the second motor M2. In order to do so, it may be a metallic rigid body, plastic or ceramic.
  • FIG. 4 is a photograph showing a connection relationship between the driving support 120 and the actuator 130 for adjusting the separation distance according to an exemplary embodiment.
  • the driving support 120 may be fitted to a part of one end of the first roller R1 and the first motor M1 and the fixed driving base 140, and the driving support 120 While being fitted to the driving base 140, the length of the fitted portion may be changed.
  • a screw 160 may be fitted to the driving support 120 on the opposite side of the portion where the driving base 140 is fitted. In this case, as the screw 160 rotates, the length of the portion where the driving support 120 is inserted into the driving base 140 increases according to the rotation direction of the screw 160, or Can decrease. The increase or decrease in the length of the fitted portion may vary depending on the direction of the groove of the screw 160 and the driving support 120.
  • the actuator 130 may include a ratchet wheel 131 and a handle bar 132.
  • the actuator 130 may be coupled to the driving support 120 to displace the driving support 120.
  • the rotation power is transmitted only when rotating in a clockwise/counterclockwise direction by the operation of the ratchet wheel 131, and counterclockwise/clockwise In the case of rotation, power may not be transmitted by the ratchet wheel 131.
  • Devices such as freewheel and sprag clutch may be used, and any device that can transmit power by rotation in only one direction may be used, and limited to the above-described embodiments. It doesn't work.
  • the handle bar 132 may include a spanner capable of transmitting power by rotation, a socket wrench, and a handle bar 132 made of a rubber material, and in one embodiment, the screw 160 is transmitted by a rotational force by a motor. May be rotated, and the motor may be driven by pressing a button, and exemplary methods such as a method starting from a distance greater than the cable and automatically approaching the distance to the distance contacting the cable may be applied.
  • the driver 130 may further include a fine adjustment device (not shown).
  • the fine adjustment device may include at least one shaft wheel. After the separation distance between the first rotation shaft RS1 and the second rotation shaft RS2 is primarily controlled by the ratchet wheel 131, detailed adjustment may be performed by a fine adjustment device. For example, if the fine adjustment device includes an axle wheel having a smaller radius r2 than the radius r1 of the ratchet wheel 131, when the axis wheel is rotated by d, the ratchet wheel 131 rotates by . Accordingly, by adjusting the ratio of the radius of the shaft wheel and the ratchet wheel 131, it is possible to control the separation distance to a very fine size.
  • a separate handle bar may be connected to the fine adjustment device.
  • a lubricant may be provided between the drive base 140 and the drive support 120. This is to facilitate the displacement of the driving support 120 relative to the driving base 140.
  • a fine roller device may be installed between the driving base 140 and the driving support 120. The fine roller device is composed of a plurality of thin rollers having a rotation axis perpendicular to the displacement direction of the driving support 120, the driving support 120 can be easily moved by the rotation of the fine roller device.
  • a position fixture (not shown) may be provided between the driving base 140 and the driving support 120. It is possible to prevent the drive support 120 from moving arbitrarily by the position fixing tool.
  • the position fixing device may include a ratchet device, and is composed of a groove and a locking hole, and the groove and the locking hole are coupled by adjusting the position of the driving support 120 vertically or rotating the driving support 120 It may be separated or separated to determine whether the driving support 120 and the driving base 140 are coupled.
  • the rotor shaft of the first motor M1 and the rotor shaft of the second motor M2 may be parallel to each other.
  • the drive support 120 may have a rectangular parallelepiped shape, and the rectangular parallelepiped shape is standardized according to various types of cables. It is easy to use and has the advantage of enabling efficient production at low cost.
  • various types of cables must be laid, and they are laid in various shapes of curves and straight lines, and are used for cable laying work that involves a change in elevation to the ground, ground or underground.
  • a cable puller that is easy to install and remove and that can be used for various cables is required. In this case, it is possible to provide a cable puller optimized for cable laying work by applying a rectangular parallelepiped shape.
  • the frame support 100 may further include an angle adjustment unit (not shown).
  • the angle adjustment unit may control an angle formed by the driving support 120 and the driving base 140 with a horizontal plane, and by controlling the angle, a first connected to the driving support 120 and the driving base 140 in a vertical direction.
  • the angle formed by the rotation shaft RS1 and the second rotation shaft RS2 with the horizontal plane may be controlled.
  • the angle adjustment unit may include a first base frame fixed to the frame body, a driving support 120, a driver 130, and a second base frame supporting the driving base 140, and the The first base frame and the second base frame may be hinged, and the hinge may include a hinge pin.
  • the angle adjustment unit adjusts an angle connected to a predetermined position of the first base frame and a position corresponding to the predetermined position of the second base frame in order to adjust the angle formed by the first base frame and the second base frame.
  • first friction ball FR1 and the second friction ball FR2 may have a convex axial cross-sectional shape.
  • the cut cross section may form a convex parabolic shape.
  • the first friction ball A groove or protrusion in a vertical direction may be formed on the surfaces of FR1) and the second friction ball FR2. Efficient cable installation is possible by concentrating power transmission in a forward or reverse direction in a narrow area by the groove or protrusion.
  • a guider that is horizontal to the direction of installation of the cable may be formed in a portion where the cable is inserted.
  • the cable is placed between the first friction ball (FR1) and the second friction ball (FR2). Can be prevented from leaving.
  • the first friction ball FR1 and the second friction ball FR2 may include ceramic, rubber, or synthetic resin.
  • a rubber packing may be added to the contact portion of the cable to increase the frictional force.
  • the first friction ball FR1 and the second friction ball FR2 contain rubber and have high ductility, a portion in close contact with the cable is deformed by an external force by the cable to surround the cable, and the contact area This increase can reduce the loss of power transmission to the cable.
  • FIG. 5A is a perspective view of the power cable puller 10 according to an embodiment of the present invention
  • FIG. 5B is a cross-sectional view of the power cable puller 10 of FIG. 5A.
  • the power cable puller 10 includes a first motor M1 rotating at a predetermined rotational speed, a second motor M2 rotating at a predetermined rotational speed, and A first reduction gear RG1 that rotates the first rotation shaft RS1 at a reduced rotation speed by decelerating the rotation speed, and a second reduction gear that rotates the second rotation shaft RS2 at a reduced rotation speed by decelerating the rotation speed.
  • 1B is a cross-sectional view of the power cable puller 10 of FIG. 1A taken from D.
  • the first motor M1 and the second motor M2 respectively generate rotational power.
  • the first rotation shaft RS1 and the second rotation shaft RS2 are driven together to drive the first rotation shaft RS1 and the second rotation shaft RS2 together by connecting members such as a chain through the transmission of rotational power by one motor.
  • a power cable puller having less power loss due to slip or friction of the connecting members or malfunction due to an error in rotational speed can be implemented.
  • the first motor M1 and the second motor M2 may each have a first drive shaft DRS1 and a second drive shaft DRS2.
  • the first drive shaft DRS1 and/or the second drive shaft DRS2 may rotate the first motor gear MG1 and the second motor gear MG2, respectively, and the first motor gear MG1 and the second motor gear
  • the MG2 may be engaged with the first reduction gear RG1 and the second reduction gear RG2, respectively, to rotate the first reduction gear RG1 and/or the second reduction gear RG2.
  • a description of the first drive shaft DRS1 may be referred to as the second drive shaft DRS2.
  • the first drive shaft DRS1 may include at least one coupling member of a clamping hub having a spiral pattern, a keyway groove, or a coupling pattern formed at at least one end thereof.
  • a first motor gear MG1 which is engaged with the first reduction gear RG1 to rotate the first reduction gear RG1, may be coupled to the coupling member.
  • a gear groove is formed in the first drive shaft DRS1, so that the first drive shaft DRS1 may be a linear gear shaft that operates as the first motor gear MG1.
  • the rotation axis of the first motor gear MG1 and the rotation axis of the first reduction gear RG1 may cross each other.
  • a direction change gear between the first motor gear MG1 and the first reduction gear RG1 in order to transmit the rotational power of the first motor gear MG1 to the first reduction gear RG1 Can be provided.
  • the direction changing gear may include at least one of a spur bevel gear and a helical bevel gear.
  • the types of gears described above are only non-limiting examples, and known techniques for all types of gears in which rotation axes are not parallel to each other but cross each other may be applied.
  • the rotation shaft of the first motor gear MG1 and the rotation shaft of the driving gear among the gears of the first reduction gear RG1 may cross each other.
  • the first reduction gear RG1 may include at least one driving gear and at least one driven gear. Any one of the at least one motive gear is engaged with the first motor gear MG1 to transmit the rotational power of the first motor M1 to the driven gear.
  • the first motor gear MG1 and the motive gear may constitute a spur bevel gear or a helical bevel gear. .
  • a power cable puller that is miniaturized by not inserting a separate gear for direction change between the first motor gear MG1 and the first reduction gear RG1 and can be easily moved and installed due to its light weight ( 10) can be provided.
  • the power cable puller 10 may include a first roller R1, a second roller R2, a first motor M1, and a second motor M2.
  • the first roller R1 and the second roller R2 may be disposed in parallel on the frame support that supports the first roller R1 and the second roller R2 from below.
  • the first rotation shaft RS1 of the first roller R1 is connected to the first motor M1 through the first reduction gear RG1 to receive the power of the first motor M1, and the second roller R2
  • the second rotation shaft RS2 of is connected to the second motor M2 through the second reduction gear RG2 and rotates by receiving rotational power of the second motor M2.
  • first roller R1 and the second roller R2 may be arranged vertically.
  • a first roller (R1) is disposed at the bottom
  • a second roller (R2) is disposed above the first roller (R1)
  • the first roller (R1) and the second roller (R2) are connected It can be supported by a frame.
  • the first rotation shaft RS1 may be disposed above the first drive shaft DRS1 in parallel with the first drive shaft DRS1
  • the second rotation shaft RS2 is a second drive shaft DRS2 above the second drive shaft DRS2. It can be arranged parallel to.
  • the supply direction of the wire can be adjusted up and down by adjusting the rotational speed of each of the first and second motors M1 and M2. .
  • FIG. 6A is a graph showing the relationship between the torque and the number of revolutions of the DC motor
  • FIG. 6B is a graph showing the relationship between the torque and the number of revolutions of the induction motor.
  • the rotation speed of the motor and the motor torque are inversely proportional.
  • the motor when the motor is driven, there is a rated torque for stably operating the motor, and if the motor is operated for a long time with an output exceeding the rated torque, it may lead to damage to the motor.
  • the load of the cable laid by the power cable puller 10 is large, a significant amount of torque is required to rotate the first roller (R1) and/or the second roller (R2) to carry the cable, If the torque exceeds the rated torque of the motor, the motor may be damaged. Therefore, it may be desirable to provide a torque converter capable of increasing the torque of the motor in order to improve the durability of the power cable puller 10 and use it for a long period of time and to use it flexibly for cable transport with a large load. have.
  • the torque of the motor has a magnitude of Ts.
  • the soil of the motor has a maximum value of Tm.
  • the range in which the rotational speed of the motor is from 0 rpm to NM is referred to as an unstable region, and in the unstable region, the driving of the motor may be unstable and thus continuous rotation may not be possible.
  • the motor enters a stable region, for example, a region between points M and O. In the stable region, as the rotational speed increases, the torque of the motor decreases.
  • the motor may rotate at a point P where the magnitude of the torque and the rotational speed are balanced.
  • the motor cannot operate because the motor cannot generate a torque greater than Ts, and the motor is replaced with the cable while the motor is running in a stable area.
  • the rotational speed of is decreased to reach point M, and the torque required for laying the cable exceeds Tm, the motor enters an unstable area and eventually the motor stops. Therefore, even in the case of an induction motor, it may be desirable to add a torque converter in order to provide the power cable puller 10 having a wide usable range so that it can be applied to cables having various loads.
  • the above-described induction motor is a non-limiting example, and can be applied to various types of AC motors including induction motors, and does not limit the present invention.
  • FIG. 7A is a perspective view showing a connection relationship between a first motor M1, a first reduction gear RG1, and a first rotation shaft RS1 according to an embodiment of the present invention
  • FIG. 7B is a diagram illustrating another embodiment of the present invention. Is a perspective view showing the connection relationship between the first motor M1, the first reduction gear RG1, and the first rotation shaft RS1
  • FIG. 7C is a first motor M1 and a first reduction gear according to another embodiment. It is a side view showing the connection relationship between (RG1) and the 1st rotation shaft (RS1).
  • the first reduction gear RG1 may be a spur gear.
  • the first reduction gear RG1 or the second reduction gear RG2 may be a synthetic gear train including a plurality of reduction gear sets.
  • the first reduction gear RG1 may include at least one driving gear and at least one driven gear.
  • the motive gear and/or the driven gear are a relative concept, the motive gear is a gear that transmits power to a gear engaged with the motive gear, and the driven gear is a gear that receives power from a gear engaged with the driven gear to be.
  • the first reduction gear RG1 may include a pair of a driving gear and a driven gear, and may include, for example, a first gear RG1a and a second gear RG1b.
  • the first motor gear MG1 and the first gear RG1a may be bevel gears.
  • the advantage of miniaturization of the power cable puller 10 is possible by not adding a gear for switching the rotational axes of the gears. have.
  • z0 gear grooves of the first motor M1, z1 gear grooves of the first gear RG1a, z2 gear grooves of the second gear RG1b, and the first output gear OUT1 May have z3 gear grooves.
  • the relationship between the torque T1 of the first motor M1 and the first output torque T2 received by the first rotation shaft RS1 can be expressed as Equation 1 below.
  • the first output torque T2 is proportional to z3/z0, but the first reduction gear RG1 is By arrangement, it is proportional to z1*z3/z0*z2, and if the number of gear grooves z1 and z2 of the first reduction gear RG1 is properly adjusted, a high reduction ratio can be obtained without space constraints.
  • a gear ratio of 40:1 or more is required between the first motor gear MG1 and the first output gear OUT1 so that an overload is not transmitted to the first motor M1
  • the first reduction gear RG1 In the absence of )
  • the first output gear OUT1 has a diameter of about 40 times that of the first reduction gear RG1.
  • the gear ratio between the first motor gear MG1 and the first gear is 4:1, and the gear ratio between the second gear and the first output gear OUT1 Even if G has a gear ratio of 10:1, as a result, the gear ratio between the first motor gear MG1 and the first output gear OUT1 has a gear ratio of 40:1, so that a gear of a large volume to be limited by space There is an advantage of implementing a reduction ratio such that an overload is not transmitted to the first motor M1 without use.
  • the first reduction gear RG1 may be planetary gear trains.
  • the first reduction gear (RG1) is the outermost ring gear (RG), the planetary gears (PG) that are in contact with the ring gear (RG) from the inside of the ring gear (RG), and the inside of the planetary gear (PG). It may include a sun gear (SG) is disposed in the planetary gear (PG) and meshing.
  • the ring gear RG is fixed, and when the first drive shaft DRS1 rotates by the operation of the first motor M1, the sun gear SG at the end of the first drive shaft DRS1 rotates, the sun gear SG.
  • the planetary gear PG rotates and revolves by the rotation of the planetary gears PG, and the carrier CR fixed at the center of the planetary gears PG rotates.
  • the carrier CR rotates
  • the carrier shaft CRX fixed to the carrier CR rotates
  • rotation power is transmitted to the first output gears OUT1a and OUT1b by the rotation of the carrier shaft CRX.
  • the first output gears OUT1a and OUT1b transmit the rotation power to the first rotation shaft RS1.
  • the first output gears OUT1a and OUT1b may include at least one of a spiral bevel gear, a bevel gear, a helical bevel gear, and a worm gear.
  • the input rotation shaft and the output rotation shaft of the first reduction gear RG1 may be disposed on the same line. Accordingly, since the output rotation shaft of the first reduction gear RG1 is on the same line as the first drive shaft DRS1, the direction of the first rotation shaft RS1 is changed to a direction perpendicular to the first motor M1.
  • the first output gears OUT1a and OUT1b may include gears capable of changing directions. This is only a non-limiting example, and reference may be made to the disclosures of all kinds of gears crossing the rotational axes of known technologies.
  • the sun gear SG has Zs gear grooves
  • the ring gear RG has Zr gear grooves
  • the number of rotations of the sun gear SG is Ns
  • the number of rotations of the ring gear RG is Nr
  • the carrier When the number of rotations of (CR) is Nc, the relational expression shown in Equation 2 below holds.
  • Equation 3 the relational expression as in Equation 3 below is established to obtain a reduction ratio.
  • the sun gear SG is fixed, the rotation power is transmitted by the first drive shaft DRS1 to rotate the ring gear RG, and the rotation power output from the carrier CR is converted to the first output gear.
  • the relational expression as in Equation 4 below is established and the reduction ratio can be obtained.
  • a reduction ratio may be obtained by fixing one element of the sun gear SG, the ring gear RG and the carrier CR.
  • a reduction ratio may be obtained by fixing one element of the sun gear SG, the ring gear RG and the carrier CR.
  • suitable known techniques for a detailed description thereof, reference may be made to suitable known techniques.
  • PG planetary gear
  • RG1 first reduction gear
  • the power transmission efficiency is higher than that of other types of reduction gears, so that small size and weight can be reduced. It is possible to provide a power cable puller 10 that is easy to arrange and install.
  • the first drive shaft DRS1 is rotated by the operation of the first motor M1, and the first motor gear MG1 is fixed to the first drive shaft DRS1 to rotate power.
  • the first motor gear MG1 is engaged with the third gear RG1c, the third gear RG1c is coupled and fixed so as not to rotate relative to each other with the fourth gear RG1d, and the fourth gear RG1d is It may be engaged with the fifth gear RG1e.
  • the clutch gear CLG is coupled to and fixed to the fifth gear RG1e, and the clutch gear CLG is fixed to the output shaft OUTS, so that the output shaft OUTS can rotate at the same rotational speed as the fifth gear RG1e. have.
  • the motor torque of the first motor gear MG1 is T1
  • the gear groove of the first motor gear MG1 is z0
  • the gear groove of the third gear RG1c is z4
  • the fourth gear When the gear groove of RG1d) is z5, the gear groove of the fifth gear (RG1e) is z3, and the torque of the output shaft (OUTS) is T2, between the motor torque and the torque of the output shaft (OUTS) is the following equation 5 The same relationship is established.
  • the reduction ratio can be adjusted in a wide range, thereby providing a highly usable power cable puller 10 having a wide load range of cables that can be laid.
  • the rotation power of the first motor M1 / the second motor M2 is not directly transmitted to the first rotation shaft RS1 / the second rotation shaft RS2. Instead, it has a predetermined reduction ratio and is transmitted through the first reduction gear RG1 / second reduction gear RG2 that can serve as a torque converter, so that the first motor M1 / the second motor ( Even if the rotational speed of M2) increases or decreases, or the rotation direction is changed, the impact caused by the inertia of the first and second rotational shafts RS1 and RS2 is directly affected by the first motor M1 and the second motor M2. It is not transmitted to the motor to prevent damage and improve durability.
  • FIG. 8 is a configuration diagram of a first motor device 20 according to an embodiment of the present invention.
  • the first motor device 20 rotates the first motor M1 and the first drive shaft DRS1 having a first drive shaft DRS1 rotating at a predetermined rotational speed. It may include a first reduction gear (RG1) for rotating the first rotation shaft (RS1) at a reduced rotation speed by reducing the speed.
  • RG1 first reduction gear
  • the first motor M1 and the first reduction gear RG1 may be accommodated in a housing or may be fixed by a frame.
  • the first motor device 20 includes a housing in which the first motor M1 and the first reduction gear RG1 are mounted therein, and the gear ratio of the first reduction gear RG1 is 2:1. It may be in the range of 10:1.
  • the housing prevents the introduction of foreign substances between the first motor gear MG1 coupled to the first motor M1 and the first reduction gear RG1 to form a gap between the gear grooves, resulting in power loss.
  • the size of the driving gears and/or the driven gears is reduced by a number of reduction gears. It may be smaller than the case, and the gears may be closely assembled to each other to be accommodated in the first motor device 20.
  • a power cable puller 10 that is smaller and lighter compared to the case of using a single reduction gear can be provided by obtaining a high reduction ratio using small gears.
  • the rotation of the first motor M1 and the rotation of the second motor M2 may be synchronized with each other.
  • the power cable puller 10 is a synchronization module that synchronizes the rotations of the first motor M1 and the second motor M2 by frequency-controlled driving the first motor M1 and the second motor M2. It may further include (150).
  • the synchronization module 150 includes a first detection unit 151 / a second detection unit 152, a first detection unit for sensing the rotational speed of the first motor M1 / second motor M2.
  • the first motor (M1) / second motor (M2) according to the electrical signal received from the synchronization control unit 155 and the synchronization control unit 155 for transmitting an electrical signal for controlling the rotational speed of the second motor (M2) It may include a first driving circuit 153 / second driving circuit 154 to control the driving of the.
  • the rotational speed or cable pulling speed of the motor and setting the cable pulling direction to a value such as coordinates or angle
  • the number of trials and errors is reduced compared to the case of non-quantitative setting. Rapid installation work is possible.
  • FIG. 9 is a block diagram of an overload control module 160 according to an embodiment of the present invention.
  • the power cable puller 10 may further include an overload control module 160, and the overload control module 160 may include a first motor M1 or a second motor ( Compare the motion information and the allowable range obtained from the motor sensing unit 161 for sensing the motion information of M2), the allowable range setting unit 165 for setting the allowable range of the motion information, and the motor sensing unit 161 Thus, it is determined whether the overload is transmitted to the first motor M1 or the second motor M2, and is determined according to the reduction ratio obtained from the overload control unit 162 and the overload control unit 162 to set a reduction ratio for removing the overload.
  • a reduction gear module 163 for controlling a reduction ratio of the first reduction gear RG1 or the second reduction gear RG2 may be included.
  • the motor detection unit 161 detects at least one of temperature, rotation speed, overvoltage, overcurrent, or voltage unbalance of the first motor M1 and/or the second motor M2 to detect operation information. Acquire, and transmit the operation information to the overload control unit 162.
  • the operation information may vary according to the type of the first motor M1 and/or the second motor M2.
  • the above-described operation information is a non-limiting example, and all types of information that can break whether the motor is overloaded may be included.
  • the overload control unit 162 determines whether the first motor M1 and/or the second motor M2 transmits an overload.
  • the overload control unit 162 receives an allowable range from the allowable range setting unit 165 and compares the operation information with the allowable range to determine whether the first motor M1 and/or the second motor M2 transmits an overload. can do.
  • the operation information is out of the allowable range, it is determined as an overload state, and an appropriate reduction ratio can be calculated. For example, if the temperature in the operation information exceeds the allowable range, it means that the first motor M1 and/or the second motor M2 are overheated, so that a reduction ratio larger than the current reduction ratio can be calculated. .
  • an appropriate reduction ratio smaller than the existing reduction ratio may be calculated to increase the cable laying speed.
  • the allowable range setting unit 165 may set an allowable range for at least one or more of temperature, rotational speed, overvoltage, overcurrent, and voltage unbalance.
  • the allowable range may be within an error range based on the rated voltage or rated current of the first motor M1 and the second motor M2.
  • the allowable range setting unit 165 includes the first motor M1 and/or the second motor M2 to prevent damage or breakage of the first motor M1 and/or the second motor M2.
  • the overload control module 160 may further include a storage unit 166 providing past operation information to the allowable range setting unit 165 in order to set the allowable range.
  • the overload control unit 162 may store operation information received from the motor detection unit 161 in the storage unit 166.
  • the storage unit 166 may transmit the operation information to the allowable range setting unit 165, and the allowable range setting unit 165 may set the allowable range using the operation information.
  • the allowable range may be within an error range of an average value of motion information received from the storage unit 166.
  • the overload control module 160 may further include an alarm unit 164 that transmits an alarm signal to the outside when an overload is determined by the overload control unit 162.
  • the alarm unit 164 may include a laser emitting diode (LED) and a light emitting diode driving element to output an alarm light, or may include a speaker and an audio driving element to output an alarm sound to the outside.
  • the alarm sound may be output as a plurality of discriminated lights, and the alarm sound may be output as a plurality of discrete sounds to distinguish and output the degree of overload or stop of the motor.
  • the reduction gear module 163 controls and drives the first reduction gear RG1 / the second reduction gear RG2 according to the reduction control signal received from the overload control unit 162 to control the first motor gear MG1 / the first motor. It is possible to control a reduction ratio between the gear MG1 and the first rotation shaft RS1/the second rotation shaft RS2. In the description to be described later, a description of the first reduction gear RG1 may be referred to with respect to the second reduction gear RG2.
  • the first reduction gear RG1 may include a plurality of gears, and any one of the plurality of gears may be selected by the clutch gear CLG. For a detailed description of the gear change, refer to FIGS. 10A and 10B.
  • FIGS. 10A and 10B are diagrams illustrating a method of converting a reduction ratio of a first reduction gear RG1 according to an embodiment of the present invention.
  • rotation power of the first motor M1 is transmitted to the first drive shaft DRS1, and the first motor gear MG1 rotates by the rotation power.
  • the first motor gear MG1 is engaged with the third gear RG1c to rotate the third gear RG1c, and the rotation shaft of the third gear RG1c is the fourth gear RG1d and the sixth gear RG1f. It is fixed and rotates together.
  • the sixth gear RG1f is engaged with the seventh gear RG1g to rotate the seventh gear RG1g.
  • the seventh gear RG1g is coupled to the clutch gear CLG to rotate the clutch gear CLG, and the clutch gear CLG rotates together with the output shaft OUTS by fixing the output shaft OUTS and the rotation shaft.
  • the motor torque of the first motor gear MG1 is T1
  • the output torque of the output shaft OUTS is T2
  • the gear groove of the first motor gear MG1 is z0
  • the gear groove of the third gear RG1c is z1
  • the fourth gear (RG1d) has z2
  • the fifth gear has z3
  • the fifth gear (RG1e) has z3
  • the sixth gear (RG1f) has z4
  • the seventh gear (RG1g) If there are z5 gear grooves of ), the relational expression shown in Equation 6 below can be established between T1 and T2.
  • the clutch gear CLG is coupled to the fifth gear RG1e rather than the seventh gear RG1g. Accordingly, the fifth gear RG1e is engaged with the fourth gear RG1d to rotate, and the fourth gear RG1d rotates the clutch gear CLG to rotate the output shaft OUTS. Accordingly, a relational expression as shown in Equation 7 below can be established between T1 and T2.
  • the first reduction gear RG1 may include a plurality of gears, and the clutch gear CLG is fixed to the output shaft OUTS and rotates together with the output shaft OUTS.
  • the clutch gear CLG is fixed to the output shaft OUTS and rotates together with the output shaft OUTS.
  • the engagement relationship or position of the clutch gear CLG may be controlled by the reduction gear module 163.
  • the reduction gear module 163 may control the coupling of the clutch gear CLG so that the first reduction gear RG1 has an appropriate reduction ratio received from the overload control unit 162 to adjust the reduction ratio.
  • the foregoing is only a non-limiting example, and does not limit the present invention, and various known techniques capable of adjusting the reduction ratio of the first reduction gear RG1 may be referred to.
  • the reduction gear module 163 transmits the rotational power of the first motor M1 / the second motor M2 when converting the reduction ratio of the first reduction gear RG1 / the second reduction gear RG2. It may further include a clutch to release.
  • a clutch to release When converting the reduction ratio, when the power transmission members of the first reduction gear RG1 / second reduction gear RG2 and the first motor M1 / second motor M2 are all coupled, due to a strong impact force Gear or motor damage may occur. Accordingly, when the clutch is further included, the life of the power cable puller 10 may be extended by converting the reduction ratio without damage to the gear or motor.
  • FIG. 11A is a perspective view of a frame support according to an embodiment of the present invention
  • FIG. 11B is a view showing an interval adjustment between a first roller R1 and a second roller R2 according to an embodiment.
  • the power cable puller 10 fixedly supports the first roller (R1), the first reduction gear (RG1) and the first motor (M1), and the second roller (R2)
  • a frame support for supporting the second roller R2, the second reduction gear RG2, and the second motor M2 to be displaceable in order to adjust the distance with respect to the first roller R1 may be further included.
  • the frame support may include a frame body 100, a driving support 120 and a driver 130.
  • the driving support 120 and the actuator 130 may be configured as an integrated frame, and each configuration may be connected by a detachable fastener, and each configuration is individually manufactured and semi-permanently using an adhesive such as an adhesive. It may be designed to be non-separable.
  • the frame support includes at least one connection frame, and may further include additional components such as a connector, a fastener, and a support, and is not limited to the components of the above-described embodiment.
  • additional components such as a connector, a fastener, and a support, and is not limited to the components of the above-described embodiment.
  • a detailed description of the frame body 100 and the frame support may refer to the disclosure of FIG. 1 within the scope not contradictory.
  • a driving support body is provided on a part of one end of the driving base 140 to which the first roller R1, the first reduction gear RG1, and the first motor M1 are fixed. 120) may be fitted, and the driving support 120 may be moved so that the length L1 of the fitted portion while being fitted to the driving base 140 is changed.
  • the drive support 120 is inserted into the drive base 140 so as to be slidable, the screw 170 is inserted into the drive support 120, and the screw 170 is longer than the drive support 120 It is long so that the end of the screw 170 toward the drive base 140 is exposed to the outside of the drive support 120, and is coupled to the screw 170 inside the drive base 140, and the screw 170 is capable of rotating.
  • a coupling part 171 may be provided.
  • a screw pattern corresponding to the screw pattern of the screw 170 is formed inside the driving support 120, and when the screw 170 rotates, the driving support 120 moves by the screw pattern coupling while the driving support 120 ), the length L1 of the portion fitted to the driving base 140 may be varied.
  • the first roller R1, the first reduction gear RG1, and the first motor M1 are fixed and supported on the driving base 140, and the second roller R2, the second reduction gear RG2, and the second Since the motor M2 is fixedly supported on a portion of the driving support 120 that is not inserted into the driving base 140, the length L1 of the inserted portion is variable, so that between the first roller R1 and the second roller R2 The spacing of can be variable.
  • the driving support 120 may be displaced by the actuator 130 coupled to the driving support 120.
  • the actuator 130 may include a ratchet wheel and a handle bar.
  • the rotation power is transmitted only when the screw 170 is rotated clockwise/counterclockwise by the motion of the ratchet wheel, and when rotated counterclockwise/clockwise, the ratchet wheel Power may not be transmitted.
  • Devices such as freewheel and sprag clutch may be used, and any device that can transmit power by rotation in only one direction may be used, and limited to the above-described embodiments. It doesn't work.
  • the handle bar may include a spanner capable of transmitting power by rotation, a socket wrench, and a rubber handle bar.
  • the screw 170 may be rotated by transmission of the rotational force by the motor, and the motor is driven by pressing a button, starting from a distance greater than the cable and automatically approaching the distance to the distance contacting the cable. Exemplary methods such as the method may be applied.
  • the driver 130 may further include a fine adjustment device (not shown).
  • the fine adjustment device may include at least one shaft wheel. After the separation distance between the first rotation shaft RS1 and the second rotation shaft RS2 is primarily controlled by the ratchet wheel, detailed adjustment may be performed by a fine adjustment device. For example, if the fine adjustment device includes an axle wheel having a smaller radius (r2) than the radius (r1) of the ratchet wheel, when the axle wheel is rotated by d, the ratchet wheel It will rotate as much. Accordingly, it is possible to control the separation distance to a very fine size by adjusting the ratio of the radius of the shaft wheel and the ratchet wheel.
  • a separate handle bar may be connected to the fine adjustment device.
  • a lubricant may be provided between the drive base 140 and the drive support 120.
  • FIG. 12 is a perspective view of a power cable puller 10 according to an embodiment of the present invention.
  • a first driving shaft DRS1 of a first motor M1 and a second driving shaft DRS2 of a second motor M2 may be parallel to each other.
  • the drive support 120 may have a rectangular parallelepiped shape, and the rectangular parallelepiped shape is easy to standardize according to various types of cables.
  • various types of cables must be laid, and they are laid in various shapes of curves and straight lines, and are used for cable laying work that involves a change in elevation to the ground, ground or underground.
  • a cable puller that is easy to install and remove and that can be used for various cables is required.
  • FIG. 13 is a perspective view of a power cable puller 10 according to an embodiment of the present invention.
  • the power cable puller 10 is a first motor (M1), a second motor (M2), a first motor (M1) that outputs a rotational speed reduced than that of the first motor (M1).
  • SRV1 Auxiliary reducer
  • SRV2 a second auxiliary reducer
  • a second roller R2 that is rotated by the second main reducer RV2.
  • the first motor M1 may have a first driving shaft DRS1 rotating at a predetermined rotational speed.
  • the first drive shaft DRS1 may transmit the rotational force of the motor to the outside.
  • the rotational speed may mean angular speed or angular speed of the motor.
  • the rotational speed may be a speed at which an angle rotates about a specific axis.
  • the first drive shaft DRS1 includes at least one coupling member of a motor gear, a spiral pattern, a keyway groove, or a clamping hub having a coupling pattern formed at at least one end thereof.
  • a motor gear is coupled to the coupling member, or the coupling member may be an auxiliary drive gear (G1 in FIG. 2A) of the first auxiliary speed reducer (SRV1), and an auxiliary output gear (G2 in FIG. 2A).
  • G1 in FIG. 2A auxiliary drive gear
  • SSV1 first auxiliary speed reducer
  • G2 auxiliary output gear
  • the above-described disclosure regarding the first drive shaft DRS1 may be equally applied to the second drive shaft DRS2.
  • FIG. 14A is an internal perspective view of a part of the power cable puller 10 according to another embodiment of the present invention
  • FIG. 14B is a plan view of the power cable puller 10 of FIG. 14A.
  • 14A and 14B illustrate only the first motor M1, the first auxiliary reducer SRV1, the first main reducer RV1, and the first roller R1 for convenience of description.
  • the description of the first motor M1, the first auxiliary speed reducer SRV1, the first main speed reducer RV1, the first roller R1 and components thereof is described in the second motor M2, the second auxiliary speed reducer ( SRV2), the second main reducer (RV2), the second roller (R2), and the same can be applied to the components thereof.
  • the first auxiliary speed reducer SRV1 has a first auxiliary drive shaft SDRS1 gear-coupled to the first drive shaft DRS1 of the first motor M1, and is less than the rotational speed of the first drive shaft DRS1.
  • the first auxiliary drive shaft SDRS1 may be rotated at the reduced rotational speed. For example, when the first drive shaft DRS1 rotates at a predetermined rotational speed, the first auxiliary speed reducer SRV1 rotates the first auxiliary drive shaft SDRS1 at a rotational speed reduced to a predetermined reduction ratio by gear coupling. I can.
  • the first auxiliary reducer SRV1 is a spur gear, but this is only a non-limiting example, and the first auxiliary reducer SRV1 is a helical gear, a double helical gear, a rack and a small gear or an inner gear. And external gears.
  • the first auxiliary speed reducer SRV1 is a spur bevel gear, a helical bevel gear, a spiral bevel gear, and a zero bevel. It may be a gear, a crown gear or an angular bevel gear.
  • the first auxiliary speed reducer SRV1 is a screw gear, a cylindrical worm gear, a long solid worm gear, a hypoid gear, or a helical crown. It can be a gear.
  • the above-described examples do not limit the present invention, and various known techniques may be referred to.
  • the reduction ratio of the first auxiliary speed reducer SRV1 may be in the range of 2:1 to 5:1.
  • the reduction ratio may be in the range of 2:1 to 3:1.
  • the first main reducer RV1 is higher than the threshold value in order to obtain a torque enough to carry the power cable 20 by reducing the rotational speed of the first motor M1.
  • a reduction ratio is required.
  • a detailed description of the threshold value will be described later in the description of the reduction ratio of the first main reducer RV1.
  • the reduction ratio exceeds 5:1, the volume of the first auxiliary speed reducer SRV1 increases, which interferes with miniaturization of the power cable puller 10, and portability or ease of installation may decrease.
  • the second auxiliary speed reducer SRV2 reference may be made to the above-described disclosure regarding the first auxiliary speed reducer SRV1 within a range not contradictory.
  • the first auxiliary reducer SRV1 rotates at a reduced rotational speed by being engaged with the auxiliary driving gear G1 and auxiliary driving gear G1 that rotate by receiving the rotational force of the first motor M1, and the It may include an auxiliary output gear G2 for rotating the first auxiliary drive shaft SDRS1 at a reduced rotational speed.
  • the auxiliary drive gear G1 may be a first drive shaft DRS1 to which the above-described coupling member is coupled, or may be a gear coupled to the first drive shaft DRS1.
  • the auxiliary driving gear G1 may rotate at the same speed as the first driving shaft DRS1 and meshed or gear-coupled with the auxiliary output gear G2 to rotate the auxiliary output gear G2.
  • the auxiliary output gear G2 is coupled to the first auxiliary drive shaft SDRS1, and the first auxiliary drive shaft SDRS1 may rotate at the same rotational speed as the auxiliary output gear G2.
  • the first auxiliary speed reducer SRV1 includes a first fixed gear G3 meshed with the auxiliary output gear G2 so that the auxiliary output gear G2 remains engaged with the auxiliary drive gear G1. It may contain more. For example, when the auxiliary driving gear G1 rotates at a high rotational speed, the auxiliary output gear G2 may be separated while the auxiliary driving gear G1 and the auxiliary output gear G2 are disengaged from each other. The fixed gear G3 may rotate while being engaged with the auxiliary drive gear G1 at a position opposite to or near the auxiliary output gear G2.
  • both ends of the rotation shaft of the fixed gear G3 may be disposed on a support in the housing of the first auxiliary speed reducer SRV1 so as to be rotatable while receiving a minimum load.
  • the support may minimize friction with the rotation shaft to prevent loss of power.
  • the fixed gear G3 minimizes the power loss of the first motor M1 by stably maintaining the engaged state of the auxiliary drive gear G1 and the auxiliary output gear G2, and unnecessary noise. Alternatively, the generation of heat may be prevented, and the auxiliary output gear G2 may transmit maximum force.
  • the second auxiliary speed reducer SRV2 reference may be made to the above-described disclosure regarding the first auxiliary speed reducer SRV1 within a range not contradictory.
  • the first main reducer RV1 is engaged with the main drive gear G4 and the main drive gear G4 that rotates by receiving the rotational force of the auxiliary output gear G2 and rotates at a reduced rotational speed. It may include a gear (G5).
  • the rotational force of the auxiliary output gear G2 is transmitted to the main drive gear G4 through the first auxiliary drive shaft SDRS1.
  • the main drive gear G4 may be a coupling member formed integrally with the first auxiliary drive shaft SDRS1. In the detailed description of the coupling member, disclosures related to the first drive shaft DRS1 may be referred to within a range that is not contradictory.
  • the main drive gear G4 may be coupled to the first auxiliary drive shaft SDRS1.
  • the rotational force transmitted to the main drive gear G4 rotates the main output gear G5 that is geared or engaged with the main drive gear G4, and the main output gear G5 is less than the rotation speed of the main drive gear G4. It can rotate at a reduced rotational speed.
  • the reduction ratio of the first main reducer RV1 may be in the range of 10:1 to 30:1.
  • the reduction ratio may be in the range of 10:1 to 25:1, and preferably, may be in the range of 10:1 to 20:1.
  • the volume of the first auxiliary speed reducer SRV1 is Increasingly, it may be an obstacle to downsizing the power cable puller 10.
  • the reduction ratio exceeds the upper threshold value, when a predetermined load is transmitted from the first roller R1 to the first main reducer RV1, the load is the main output gear G5 and the main drive gear G4.
  • the coupling between the main output gear G5 and the main drive gear G4 is released, or only the main output gear G5 rotates in the opposite direction.
  • the tension or load of the power cable 20 may be transmitted to the main output gear G5.
  • the main drive gear G4 coupled with the main output gear G5 receives the tension or load, the tension or load is transmitted to the first auxiliary speed reducer (SRV1) or the first motor (M1).
  • the rotation speed of the first roller R1 and the second roller R2 is different, or the power cable installation speed of some of the plurality of power cable pullers 10 is high.
  • the tension of 20 is different, it is possible to increase the uniformity of the rotational speed or laying speed of each component within a predetermined range without adjusting the electric signal applied to the power cable puller 10.
  • the main drive gear G4 may be a worm
  • the main output gear G5 may be a worm gear.
  • the first main reducer (RV1) or the second main reducer (RV2) is made of a combination of a worm and a worm gear, as described above, the tension or attraction of the power cable 20 transmitted to the main output gear G5 is driven by the main In order to be transmitted to the gear G4, it may be preferable that the reduction ratio is 20:1 or less.
  • the worm gear which is the main output gear G5
  • the worm gear is rotated at a reduced rotational speed with a high reduction ratio, and the worm gear is large Torque can be transmitted, the reduction ratio of the first auxiliary speed reducer SRV1 can be reduced, and thus the first auxiliary speed reducer SRV1 can be miniaturized.
  • the first main reducer RV1, the second main reducer RV2, the first auxiliary reducer SRV1, or the second auxiliary reducer SRV2 may include a plurality of reduction gear sets.
  • 14A and 14B are a first main reducer RV1 composed of a first main drive gear G4 and a first main output gear G5, and a first auxiliary drive gear G1 and a first auxiliary output gear G2.
  • the first main reducer RV1 may further include at least one gear between the first main drive gear G4 and the first main output gear G5.
  • the volume of the reducer can be reduced, and the motors or reducers are damaged during deceleration due to overload. Can be prevented.
  • first main reducer RV1 reference may be made to the second main reducer RV2, the first auxiliary reducer SRV1, or the second auxiliary reducer SRV2.
  • 15 is a view showing the driving of the power cable puller 10 according to an embodiment of the present invention.
  • the first driving shaft DRS1 of the first motor M1 and the second driving shaft DRS2 of the second motor M2 may be mechanically driven independently of each other.
  • the first drive shaft DRS1 and the second drive shaft DRS2 may have different rotational speeds. Accordingly, the rotation speed of the first roller R1 and the rotation speed of the second roller R2 may be different from each other.
  • the first motor M1 transmits rotation power to drive the first roller R1, and the second motor M2 transfers rotation power to drive the second roller R2.
  • the first and second rotational shafts RS1 and RS2 are driven together by connecting members such as a chain through the transmission of rotational power by a single motor, respectively, to drive the first and second rotational shafts RS1 and RS2 together.
  • connecting members such as a chain through the transmission of rotational power by a single motor, respectively, to drive the first and second rotational shafts RS1 and RS2 together.
  • a power cable puller having a simple structure and small volume ( 10) can be implemented.
  • the first motor M1 or the first 2 The rotational speed of the motor M2 can be independently increased or decreased.
  • the power cable 20 installed by the frictional force between the first roller R1 and the second roller R2 The load due to the difference in the rotational linear speed between the first roller R1 and the second roller R2 may be transmitted to each other.
  • the rotational linear speed may be proportional to a radius and rotational speed (angular velocity)
  • the radiuses of the first friction ball FR1 and the second friction ball FR2 are different from each other, or the first friction ball FR1 and the first friction ball are 2
  • the rotational linear speed of the first roller R1 and the second roller R2 may be different.
  • the radius may be different due to a difference in air pressure in the tube.
  • a difference in the half-cut may occur from a standard error in manufacturing of the first friction ball FR1 and/or the second friction ball FR2, or a difference in wear degree according to use.
  • the 15 illustrates a case in which the rotational linear speed of the second roller R2 is higher than that of the first roller R1 by way of example.
  • a load in a direction opposite to the current rotation direction is transmitted to the second roller R2 due to friction with the power cable 20, and a load in the same direction as the current rotation direction is transmitted to the first roller R1.
  • the load in the opposite direction is transmitted to the second motor M2 through the second main reducer RV2 and the second auxiliary reducer SRV2, so that the rotational speed of the second motor M2 can be reduced.
  • the load in the same direction is transmitted to the first motor M1 through the first main reducer RV1 and the first auxiliary reducer SRV1, so that the rotational speed of the first motor M1 may increase.
  • the increased or decreased rotation speed of the first motor M1 and/or the second motor M2 is 90% to 100% of the rotation speed of the first motor M1 or the second motor M2. It can be within the range of.
  • Convenience of use is increased by not adjusting, and it is possible to prevent the installation direction of the power cable puller 10 from changing according to the difference in rotational line speed between the first roller (R1) and the second roller (R2), thereby controlling the installation direction with high accuracy
  • FIG. 16A is a perspective view of a power cable puller 10 according to an embodiment of the present invention
  • FIG. 16B is a perspective view of a power cable puller 10 according to another embodiment of the present invention
  • FIG. 16C is another embodiment of the present invention. It is a perspective view of the power cable puller 10 according to the embodiment.
  • the power cable puller 10 fixedly supports the first roller R1, the first main reducer RV1, the first auxiliary reducer SRV1, and the first motor M1, and the second roller
  • the second roller (R2), the second main reducer (RV2), the second auxiliary reducer (SRV2) and the second motor (M2) are displaced to adjust the distance (D) of the first roller (R1) of (R2).
  • It may further include a frame support 100 to support possible.
  • the frame support 100 may include a frame body (110 in FIG. 13C ), a driving support 120 and a driver 130.
  • the driving support 120 and the actuator 130 may be configured as an integrated frame, and each configuration may be connected by a detachable fastener, and each configuration is individually manufactured and semi-permanently using an adhesive such as an adhesive. It may be designed to be non-separable.
  • the frame support 100 includes at least one connection frame, and may further include additional components such as a connector, a fastener, and a support, and is not limited to the components of the above-described embodiment.
  • the drive support 120 slides on the frame body 110 to fix and displace the second roller (R2), the second main reducer (RV2), the second auxiliary reducer (SRV2) and the second motor (M2) together. It can be combined as much as possible.
  • the second roller (R2), the second main reducer (RV2), the second auxiliary reducer (SRV2) and the second motor (M2) may be coupled by a connection frame and a plurality of fasteners, in this case, the connection frame Silver may include metallic rigid bodies, plastics or ceramics with high strength.
  • the first roller R1, the first main reducer RV1, the first auxiliary reducer SRV1, and the first motor M1 are fixed drive base 140.
  • the driving support 120 may be fitted to a part of one end of ), and the driving support 120 may be moved so that the length of the fitted part is changed while being fitted to the driving base 140.
  • the drive support 120 is inserted into the drive base 140 so as to be slidable, a screw (not shown) is inserted into the drive support 120, and the screw is longer than the drive support 120
  • the end of the screw at the drive base 140 side is exposed to the outside of the drive support 120, and is coupled to the screw inside the drive base 140, and a screw coupling portion (not shown) capable of rotating the screw may be provided.
  • a screw pattern corresponding to the screw pattern of the screw is formed inside the driving support 120, and when the screw rotates, the driving support 120 moves by the screw pattern coupling and the driving base 140 of the driving support 120
  • the length of the part inserted in) can be variable.
  • the first roller R1, the first main reducer RV1, the first auxiliary reducer SRV1, and the first motor M1 are fixed to and supported by the drive base 140, and the second roller R2 and the second Since the main reducer RV2, the second auxiliary reducer SRV2, and the second motor M2 are fixedly supported on a portion of the drive support that is not fitted to the drive base, the length of the fitted portion is variable, so that the first roller R1 and The distance D between the second rollers R2 may be variable.
  • the driving support 120 may be displaced by the actuator 130 coupled to the driving support 120.
  • the actuator 130 may include a rotating wheel 131 and a handle bar 132.
  • the rotating wheel 131 may be a ratchet wheel.
  • the rotational power is transmitted only when the rotating wheel 131 rotates in a clockwise/counterclockwise direction, and when rotating in a counterclockwise/clockwise direction Power may not be transmitted by the rotating wheel.
  • Devices such as freewheel and sprag clutch may be used, and any device that can transmit power by rotation in only one direction may be used, and limited to the above-described embodiments. It doesn't work.
  • the handle bar 132 is detachable from the rotating wheel 131, and when the distance D between the first roller R1 and the second roller R2 is varied, the rotating wheel 131 and Combined, it is possible to rotate the rotary wheel 131.
  • the rotating wheel 131 may include a polygonal hole, and an end of the handle bar 132 may include a protrusion that can be fixed to the polygonal hole.
  • the protrusion of the handle bar is coupled to the polygonal hole and the handle bar is rotated, the ratchet wheel and the screw rotate, so that the distance between the first roller R1 and the second roller R2 may be varied.
  • the handle bar may be a ratchet wrench.
  • the handle bar 132 may be a spanner capable of transmitting power by rotation, a socket wrench, or a rubber handle bar.
  • the screw can be rotated by transmission of the rotational force by the motor, and the motor is driven by pressing a button, starting from a distance wider than the cable, and automatically getting closer to the distance contacting the cable. Example schemes can be applied.
  • the frame body 110 exposes the first roller R1 and the second roller R2 to the outside, and the second rotation axis RS2 of the second roller R2 is displaced to adjust the gap. It may have an opening P opened in the displacement direction as possible.
  • the first main reducer RV1, the first auxiliary reducer SRV1, the second main reducer RV2, and the second auxiliary reducer SRV2 may be accommodated in the frame body 110.
  • the frame body 110 includes a first motor M1, a second motor M2, a drive support 120, a first main reducer RV1, a first auxiliary reducer SRV1, a second main reducer RV2, Elements that adversely affect maintenance and repair of the machine such as dust, heat, and shock by protecting the second auxiliary speed reducer (SRV2), the first rotating shaft (RS1), the second rotating shaft (RS2), and the connector between the components from the outside. Can block them.
  • SRV2 auxiliary speed reducer
  • RS1 rotating shaft
  • RS2 second rotating shaft
  • FIG. 17A is a view showing a guide unit 160 according to an embodiment of the present invention
  • FIG. 17B is a view showing a guide unit 160 according to another embodiment of the present invention.
  • the power cable puller 10 is a distal end of the frame support 100 supporting the power cable 20 so that the installed power cable 20 is spaced a predetermined height from the ground. It may further include a guide unit 160 disposed on.
  • the guide unit 160 may include a first guide roller 161 fixed to the frame support 100 and a second guide roller 162 rotatably fastened to the first guide roller 161.
  • the power cable 20 to be installed by the power cable puller 10 may have a power cable 20 having various thicknesses.
  • a second guide roller 162 is disposed on the first guide roller 161 as shown in FIG.
  • the power cable 20 may be supported by the second guide roller 162.
  • a second guide roller 162 is disposed under the first guide roller 161, as shown in FIG. 17B, and by the first guide roller 161 The power cable 20 can be supported.
  • power cables of various thicknesses ( 20) can be installed, and there is an advantage of preventing the power cable 20 from being damaged due to friction with the ground by contacting the power cable 20 during installation.
  • FIG. 18A is a view showing a conventional power cable puller system
  • FIG. 18B is a view showing a power cable puller system 1000 according to an embodiment of the present invention.
  • each power cable puller 1 drives two rollers with one motor.
  • a fastener such as a chain is required to transmit the power of the motor to the rollers, and there is a problem such as energy loss due to abrasion of the fastener or abrasion of the fastener.
  • the rotation speed is increased by varying the electric signal applied to each power cable 20 or Should be reduced.
  • a plurality of power cable pullers 10 are arranged to be spaced apart a predetermined distance, and a plurality of power cable pullers 10 are simultaneously driven.
  • the load of the power cable 20 may be distributed to the plurality of power cable pullers 10.
  • the load of the power cable 20 is distributed to a plurality of power cable pullers 10, and the force for laying the power cable 20 is separated at various positions of the power cable 20.
  • each power cable puller 10 includes a first motor M1 having a first driving shaft DRS1 rotating at a predetermined rotational speed, and a second driving shaft DRS2 rotating at a predetermined rotational speed. It has a second motor M2 and a first auxiliary drive shaft SDRS1 that is gear-coupled to the first drive shaft DRS1 of the first motor M1, and has a rotational speed reduced than the rotational speed of the first drive shaft DRS1. It has a first auxiliary speed reducer SRV1 that rotates the first auxiliary drive shaft SDRS1, a second auxiliary drive shaft SDRS2 geared to the second drive shaft DRS2 of the second motor M2, and a second drive shaft DRS2.
  • the second auxiliary speed reducer SRV2 that rotates the second auxiliary drive shaft SDRS2 at a rotational speed reduced than the rotation speed of
  • the first rotation shaft RS1 at a rotational speed that is reduced than the rotation speed of the first auxiliary drive shaft SDRS1
  • the second main reducer (RV2) and the first rotary shaft (RS1) to rotate the second main reducer (RV1) to rotate the second rotary shaft (RS2) at a rotational speed reduced than the rotation speed of the second auxiliary reducer (SRV2)
  • a first roller R1 having a first friction ball FR1 fixed to the first rotation shaft RS1 and rotating together and surrounding the first rotation shaft RS1, and a second rotation shaft parallel to the first rotation shaft RS1 ( RS2) and a second friction ball (FR2) that is fixed to the second rotation shaft (RS2), rotates together, and surrounds the second rotation shaft (RS2), and is arranged so that the distance with respect to the first roller (R1) can be adjusted.
  • It may include a roller (R
  • the first of the some of the power cable pullers 10 may be increased or decreased.
  • the laying speed of the second power cable puller 10' is the first power If it is faster than the installation speed of the cable puller 10, the load may be transmitted to the two power cable pullers 10 and 10' by the tension of the power cable 20 between the two power cable pullers 10 and 10'.
  • the rotation speed of the first motor M1 or the second motor M2 of the first power cable puller 10 may increase due to the load, and the first power cable puller 10'
  • the rotation speed of the motor M1 or the second motor M2 may decrease.
  • the increased or decreased rotation speed may be within a range of 90% to 100% of the rotation speed of the first motor M1 or the second motor M2.
  • the rotational speed of each power cable puller 10 constituting the power cable puller system 1000 can be maintained uniformly, and the installation speed is increased even if the electric signal applied to each motor is not changed. There is an advantage of being able to keep it uniform.
  • the first friction ball FR1 and the second friction ball FR2 may have a convex axial cross-sectional shape.
  • the first friction ball FR1 and the second friction ball FR2 may be tubes.
  • first friction ball FR1 and the second friction ball FR2 reference may be made to the disclosures of FIG. 4.
  • the power cable puller of the present invention minimizes power loss by not using a fastener such as a chain, and can be applied to various types of cables without limitation, and the rotation speed of the first motor and/or the second motor is within a predetermined range. Because it can be changed flexibly, a fairly uniform cable laying operation can be achieved without modifying the rotational speed by changing the individual current signals.

Abstract

La présente invention porte sur dispositif de traction de câble d'alimentation. Selon un mode de réalisation de la présente invention, l'invention concerne un dispositif de traction de câble d'alimentation comprenant : un premier rouleau ayant un premier arbre rotatif et une première bille de frottement entourant le premier arbre rotatif ; un second rouleau ayant un second arbre rotatif qui est parallèle au premier arbre rotatif et une seconde bille de frottement entourant le second arbre rotatif, le second rouleau étant agencé de telle sorte que l'espace de celui-ci par rapport au premier rouleau est réglable ; un premier moteur couplé au premier arbre rotatif pour faire tourner le premier rouleau ; et un second moteur couplé au second arbre rotatif pour faire tourner le second rouleau.
PCT/KR2020/001268 2019-05-07 2020-01-28 Dispositif de traction de câble d'alimentation et système de traction de câble d'alimentation WO2020226263A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20190053370 2019-05-07
KR10-2019-0053370 2019-05-07
KR10-2019-0068181 2019-06-10
KR1020190068181A KR102237575B1 (ko) 2019-05-07 2019-06-10 전력 케이블 풀러
KR10-2019-0101995 2019-08-20
KR1020190101995A KR102250283B1 (ko) 2019-08-20 2019-08-20 전력 케이블 풀러

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CN115347505A (zh) * 2022-08-26 2022-11-15 江苏韩娜新能源有限公司 一种能够提高布置效率的电缆用支撑架
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KR20120055839A (ko) * 2010-11-24 2012-06-01 대우조선해양 주식회사 전로 설치형 전선포설장치
US20150167798A1 (en) * 2012-07-11 2015-06-18 Commissariat A L'energie Atomique Et Aux Energies Alternatives Motion transmitting device with epicyclic reduction gearing, epicyclic reduction gearing and manipulating arm
KR20150007224A (ko) * 2013-07-10 2015-01-20 임용호 지중관로내 케이블지중하 포설방법 및 장치

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CN114104853A (zh) * 2021-10-31 2022-03-01 国网河南省电力公司中牟县供电公司 一种高压开关柜电力电缆抽放装置及其施工方法
CN115347505A (zh) * 2022-08-26 2022-11-15 江苏韩娜新能源有限公司 一种能够提高布置效率的电缆用支撑架
CN115347505B (zh) * 2022-08-26 2023-11-24 新昌县新明实业有限公司 一种能够提高布置效率的电缆用支撑架
CN116722487A (zh) * 2023-08-10 2023-09-08 合肥航太电物理技术有限公司 一种基于hirf试验的模型布线设备
CN116722487B (zh) * 2023-08-10 2023-11-24 合肥航太电物理技术有限公司 一种基于hirf试验的模型布线设备

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