JP4120861B2 - Cable guide device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cable guide device that can move a long power cable or communication cable smoothly in the vertical direction.
[0002]
[Prior art]
For example, in a lifting device that is temporarily used like a construction elevator, a rack and pinion drive type is often used instead of a rope type. In such a construction elevator, a rack and a guide rail are provided along a steel tower that is supported and erected on a building, and is driven by the guide rail of the steel tower to drive a pinion that meshes with the rack. Is configured to be moved up and down by the meshing drive.
[0003]
In such an elevator, power is supplied from outside for driving and driving control of the transporter, and electric signals for driving control are provided at various places for control. To connect, power cables and signal cables are connected to the carrier. Normally, the power cable and the signal cable are configured to support an intermediate part on a steel tower and move up and down between the support part and the transporter by following the transporter.
[0004]
Therefore, if the lift of the transporter becomes high (large), the cable connected to the transporter will swing greatly when it is free, so the connected transporter is affected by the propagation of vibrations etc. Problems such as deterioration and damage to the outer skin due to the cable coming into contact with the steel tower. For this purpose, a cable is used that holds the turn portion of the cable with a large wheel that can be moved along the steel tower so that it does not interfere with the raising and lowering of the carrier.
[0005]
[Problems to be solved by the invention]
However, using a cable wheel as described above requires a sturdy frame to support the wheel so that it can move up and down along the tower, and because the weight increases, the cable itself becomes longer. The weight of the cable wheel and the support frame is added to the weight of the cable, and there is a problem that a large cumulative load acts on the cable and is damaged by long-term use.
[0006]
In addition, when using this cable wheel and support frame, the height of the cable wheel is at least as high as the diameter of the cable wheel, so the lowest position of the transporter will be higher and it will be lowered unless an underground pit is provided. There is a problem in that the lowest position must be set high.
[0007]
The present invention has been made to solve such problems, and an object of the present invention is to provide a cable guide device capable of rationally guiding a cable by reducing the overall structure in size and weight.
[0008]
[Means for solving the problems and actions / effects]
A cable guiding device according to the present invention configured to achieve the above object is as follows.
A power guide / signal cable guide device for a lifting device in a lifting device, a guide portion for receiving and supporting a turn portion of the cable, and a frame provided with guide means capable of moving up and down along a steel tower, and a required And a plurality of guide rollers formed in a drum shape arranged in a semicircular shape at intervals of
The frame is formed in a semicircular shape with a semicircular shape drawn with a required radius, and has a square groove shape with an open outer peripheral surface. Inside the frame, the guide rollers are arranged at a predetermined interval, and the frame back side is used as the guide means. A pair of roller mounting members with up and down guide rollers arranged vertically are attached symmetrically to the left and right lines, and the up and down guide rollers are in contact with the guide rails on the tower side to be guided up and down. It is characterized (first invention).
[0009]
According to the present invention, the overall structure of the guide device can be reduced in size, and in particular, the height dimension can be reduced by making it a semicircular shape. There is an advantage that the facility for getting on and off the ground floor can be simplified in equipment that does not have. Further, the cable since the turn portion of the cable is a cable in the concave portion by the guide rollers in which the rotatable plurality of hourglass disposed only on the guide roller portion substantially reversed so as to accept the guide, for example, double row Even in the case of guiding the cable, it is possible to guide it while being always aligned, and the resistance at the time of reversal acting on the cable is reduced, and the effect can be obtained without damaging the outer sheath of the cable. In addition, the rigidity of the frame is increased, the guide means guided along the guide rail on the tower side is simplified, the weight can be reduced by downsizing the structure, and the load on the cable can be reduced. It is done.
[0011]
Prior Symbol onset bright, the plurality of cables of guide rollers arranged in the frame, on the outside positions of the guide rollers, it is preferable jumping out preventing member of the cable are arranged, respectively (second invention ). In this way, when the tension applied was loosened to the cable, and at the same time prevents the cable from coming off the recess of the guide rollers, the strength to reinforce the semicircular frame release side to be formed in the corner groove shape can enhance Rukoto, there is an advantage that the function to prevent the deformation to facilitate the turn of the cable can be maintained.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of a cable guiding apparatus according to the present invention will be described with reference to the drawings.
[0014]
FIG. 1 is an elevational view showing an embodiment of a construction elevator provided with a cable guiding device according to the present invention, wherein (a) is a side view and (b) is a rear view. FIG. 2 is a front view of the cable guide device with a part cut away, FIG. 3 is a plan view of FIG. 2, and FIG. 4 is a left side view of FIG.
[0015]
The construction elevator 1 shown in FIG. 1 has a guide rail 4 and a rack 5 provided along the side of a steel tower 3 that is supported and supported by a plurality of support fittings 2 on a housing of a building (not shown). A carrier 6 is provided on the rail 4 so as to be lifted and lowered. The transporter 6 is equipped with a motor 7 for driving up and down, and the gear on the output shaft driven by the motor 7 is engaged with the rack 5 attached to the steel tower 3 side so as to move up and down. Further, in order to guide and support the transporter 6 on the two guide rails 4 and 4 on the side of the steel tower 3 (in the steel tower of this embodiment, the vertical member also serves as a guide rail), the transporter 6 is vertically positioned on both sides of the transporter frame 6a. A guide roller provided by being supported by a bracket 6b attached thereto is brought into contact with and engaged with the guide rails 4 and 4, respectively, so as to be movable up and down.
[0016]
A power cable 8 (capty cable) and a control signal cable 8a (hereinafter simply referred to as a cable 8) to the lifting drive motor 7 from the outside are connected to the transporter 6 configured as described above. These cables 8 are suspended from a power receiving box 9 provided at a lower layer position via a curved cable support fitting attached to an intermediate position of the tower 3 so as to follow up and down of the transporter 6. The cable 8 is turned and connected to the control panel of the transporter 6, and only the power cable is connected to the driving motor 7. The cable support fitting has an arcuate bowl shape, and a fixing tool is attached to the upper end of the cable support fixture with the cable 8 interposed therebetween. The cable support fitting is attached to a part of the tower 3 at a position away from the elevation surface of the transporter 6. It is supposed to be fixed.
[0017]
A cable guide device 10 that holds and guides the cable 8 with a required radius is provided at the turn portion of the cable 8 so that the cable 8 can be moved up and down along the tower 3 following the lifting and lowering of the transporter 6.
[0018]
The cable guide device 10 includes a plurality of guide rollers 13 capable of guiding the cable 8 with a radius R suitable for smoothly bending and reversing, a roller support frame 11 that supports the plurality of guide rollers 13, and the roller support frame. 11 is composed of elevating guide means 15 which allows the elevating and lowering 11 to move up and down along the guide rails 4a and 4a on the tower side.
[0019]
The roller support frame 11 has two U-shaped support plates 11a and 11a arranged in parallel at a predetermined interval, and the inner circumferential side of the two support plates 11a and 11a is formed in an arc shape. It is formed so as to cover the inner peripheral side by integrally connecting with the plate material 11b. Guide rollers 13, the peripheral surface by an arcuate concave surface to the formed Carlo over la a and the hourglass, side by side a plurality semicircular to allow circumscribing retaining cable 8 at the concave peripheral surface Arranged inside the roller support frame 11 at substantially equal pitches, both ends of each support shaft of the guide rollers 13 are attached to a support plate. In the present embodiment, the guide roller 13 includes a power cable and a signal cable arranged in parallel. However, the description is for power cables.
[0020]
Further, on the roller support frame 11, round bars are fastened and fixed to the support plates 11a and 11a at both ends of the guide rollers 13 arranged in an arc as the jump-out preventing members 14 of the cables 8, respectively. Is provided. Further, on the back side of the roller support frame 11, two support members 16, 16 parallel to the vertical direction are arranged in accordance with the distance between the guide rails 4a, 4a for the cable guide device of the tower 3 to be installed, Elevating and lowering guide means 15 composed of upper and lower guide rollers 17 and 17 that are attached to and guide the support member 16 is attached.
[0021]
As shown in FIGS. 2 to 4, the lifting / lowering guide means 15 engages with the guide rail 4 a of the steel tower on the opposite side of the roller support frame 11 at the upper and lower ends of the support member 16 having a required length. A guide roller 17 is attached while being supported by a shaft, is arranged symmetrically, and is detachably provided on the back surface of the roller support frame 11 by an attachment piece 18.
[0022]
As described above, the cable guide device 10 according to the present embodiment configured as above is configured so that the power cable 8 to the transporter 6 is connected to the tower 3 by the cable support bracket 20 at a height position about half the lift of the transporter 6. The intermediate portion is supported, one end is connected in the power receiving box 9, and the other end is connected to a control panel (not shown) of the transporter 6 to be operable and supported by the cable support bracket 20. Then, the turn portion of the cable 8 that hangs down is maintained in an appropriate curved state by a plurality of guide rollers 13 and is guided and held.
[0023]
The cable 8 held by the plurality of guide rollers 13 of the cable guide device 10 is moved along the movement of the transporter 6 when the transporter 6 is raised or lowered by the operation of the drive motor 7. Accordingly, the turn position of the cable 8 moves up or down. The cable guide device 10 is positioned at the turn portion of the cable 8, and the roller support frame 11 is moved up and down while the arc shape of the turn portion is maintained by a plurality of guide rollers 13 disposed on the roller support frame 11. 15 is guided by the guide rail 4a of the steel tower 3 and is moved up and down.
[0024]
Therefore, the cable guide device 10 keeps the bent state in the turn portion of the cable 8 guided and held by the plurality of incorporated guide rollers 13 while applying an appropriate tension by the own weight of the cable guide device 10. Thus, even if the free length of the cable 8 is increased, the cable 8 can be smoothly moved while suppressing the occurrence of vibration, and can be used for a long time without damaging the cable.
[0025]
The cable guide device of the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an elevational view showing an embodiment of a construction elevator provided with a cable guiding device according to the present invention, in which (a) is a side view and (b) is a rear view.
FIG. 2 is a front view showing a cable guide device with a part cut away.
FIG. 3 is a plan view of FIG. 2;
FIG. 4 is a left side view of FIG. 2;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Construction elevator 3 Steel tower 4 Guide rail 4a Guide rail 6 for cable guide devices Carriage 7 Motor 8 for raising / lowering drive 8 Cable 10 Cable guide device 11 Roller support frame 13 Cable guide roller 14 Cable jump prevention member 15 Lift guide means 16 Support member 17 Guide roller 18 Mounting piece

Claims (2)

A power guide / signal cable guide device for a lifting device in a lifting device, a guide portion for receiving and supporting a turn portion of the cable, and a frame provided with guide means capable of moving up and down along a steel tower, and a required And a plurality of guide rollers formed in a drum shape arranged in a semicircular shape at intervals of
The frame is formed in a semicircular shape with a semicircular shape drawn with a required radius, and has a square groove shape with an open outer peripheral surface. Inside the frame, the guide rollers are arranged at a predetermined interval, and the frame back side is used as the guide means. A pair of roller mounting members with up and down guide rollers arranged vertically are attached symmetrically to the left and right lines, and the up and down guide rollers are in contact with the guide rails on the tower side to be guided up and down. A cable guide device.   The cable guide device according to claim 1, wherein a cable jump-out preventing member is disposed at a position outside the guide rollers of the plurality of cables arranged in the frame.

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