JPS61207111A - Frame for column of cable feeder - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Technical Field of the Invention) The present invention relates to a stand for attaching a sending device for optical fiber cables to a pole for laying the cables over the air.

(Technical Background of the Invention) The present applicant has previously proposed a cable delivery device suitable for laying optical fiber cables with poor mechanical strength underground, such as in conduits. That is, this cable sending device has a structure in which endless belts are arranged in parallel to be wound between a driving pulley and a driven pulley, and the optical fiber cable to be sent out is held between these endless belts at a predetermined speed. This makes it possible to lay optical fiber cables with poor mechanical strength while applying a predetermined tension.

Incidentally, recently there has been a demand for optical fiber cables to be installed overhead in the same way as conventional communication cables. However, if a winch simply pulls the extension wire connected to the optical fiber cable through rollers supported by the mesh wire as in conventional communication cables, a large tension will be applied to the optical fiber cable, which is undesirable. On the other hand, if the above-mentioned cable feeding device is attached to a concrete pillar or the like and used for feeding and pulling the cable, the optical fiber cable can be extended by only applying a small tension.

(Object of the Invention) An object of the present invention is to provide a corporate mount for attaching a cable delivery device to a column.

(Summary of the Invention) The present invention provides a tightening handle in which a screw shaft is provided on a fixing member that clamps one end of each wrapping member wound above and below a column, and the other end of the wrapping member is connected to the screw shaft. screw together,
By tightening the wrapping member around the column, fixing members are fixed on the top and bottom of the column, and the central part of the pedestal body is swingably pivoted above the support supported between these fixing members. Both ends are supported by a pair of telescoping struts extending from below the support body, thereby placing and fixing the cable feeding device on the gantry main body, and tilting the gantry main body at a desired angle by expanding and contracting the telescopic struts. It is characterized by

(Embodiments of the Invention) Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1, the company stand according to the present invention includes supports 3 disposed vertically along columns 1. Fixing members 2.2 are attached to the upper and lower ends of this support 3. These fixing members 2, 2 are curved along the circumferential surface of the column 1, and have locking pieces 2a, 2a that are engaged with the circumferential surface of the column 1. A holder 8 is pivotally supported at one end of each fixing member 2, and one end of a chain 4 as a wrapping member is clamped to this holder 8 in a manner that cannot be removed. A screw shaft 5 is pivotally supported at the other end of each fixing member 2 so as to protrude substantially tangentially to the circumferential surface of the column 1, and a tightening handle 6 is screwed onto the screw shaft 5. The handle 6 is connected to the other end of the chain 4 that is wrapped around the circumferential surface of the column 1. Therefore, when the handle 6 is moved in the direction approaching the fixing member 2 by turning the handle 6, the diameter of the chain 4 is reduced to press the locking pieces 2a, 2a against the circumferential surface of the column l. Since the surfaces are tightened, each fixing member 2 is fixed to the column 1 at intervals in the vertical direction. In this case, since the pillar 1 is formed into a tapered shape and gradually becomes smaller in diameter toward the top, the fixing member 2.2 will not slip off from the pillar 1.
The support body 3 is positioned and supported at a predetermined position on the column l.

Above the support body 3, as shown in FIG.
The central part 7a of the frame body 7 is pivotably supported.
A clamp 9 is attached to one end of the holder, as shown in FIGS. 1 and 2.

This clamp 9 includes a clamp body 10 fixed on a frame body 7, a fixed side clamp member 11 fixed to one side of this clamp body 10, and a clamp body 10 fixed on one side of the clamp body 10.
A movable clamp member 12 disposed on the other side, a threaded rod 13 that passes through this clamp member 12 and is screwed into the clamp body 10, and a knob 14 that is fixed to this threaded rod 13. The movable clamp member 12 is movably supported by the clamp body 10 via support shafts 12a, 12a, and is fixed to the threaded rod 13 by tightening a fixing bolt 15. on the other hand.

As shown in FIG. 2, a fixing plate 23 is attached to the lower part of the main body of the cable feeding device 22.
This plate 23 is secured to the upper surface of the clamp body 10. Therefore, when the fixed pole 15 is loosened to make the movable clamp member 12 unfixed to the threaded rod 13, and the knob 14 is turned to screw the threaded rod 13 into the clamp body lO, the clamp member 12 is attached to the knob 14. Since it is pushed and moves in a direction approaching the other fixed side clamp member 11, these two clamp members 11 and 12 pinch the plate 23. Therefore,
After that, by tightening the fixing pole) 15 and fixing the clamp material 12 to the threaded rod 13, the cable feeding device 2
2 can be fixed on the frame main body 7. A motor locking stand 16 is fixed to the other end side of the gantry main body 7, and the motor part 22a of the cable feeding device 22 is fixed to this locking stand 16.
is locked.

At both ends of the frame body 7 are a pair of telescopic columns 1 for adjusting the inclination angle.
7.17. Each telescoping column 17 consists of a cylindrical member 19 that is pivotally supported at the lower part of the support body 3 via a hinge 18, and an elongated pipe 20 that is fitted into this cylindrical member 19 so as to be able to protrude. The projecting ends of the gantry are respectively pivotally supported at both ends of the gantry main body 7 via hinges 18. Therefore, the extension pipe 2 of one telescoping column 17
0 protrudes from the cylindrical member 19 and the other telescopic support 1
When the extension pipe 20 of No. 7 is pushed into the cylindrical member 19, one end of the gantry main body 7 is lowered around the central pivot point and the other end is raised, so that the gantry main body 7 changes from a horizontal state to an inclined state. Therefore, the cable feeding device 22 can be installed on the column at an angle.

An annular portion 19a is attached to the upper circumferential surface of the cylindrical member 19,
This annular portion 19a is provided with a bottle hole for allowing the bottle 21 to pass through in the radial direction. On the other hand, the elongated pipe 20 has a plurality of positioning holes 2 at equal intervals along the axial direction.
0a is provided. Therefore, as described above, after tilting the frame main body 7 at a desired angle, aligning the hole 20a of the extension pipe 20 with the pin hole of the annular portion 19a, and passing the bottle 21 through these pin holes and the hole 20a, the extension pipe 20 can be extended. The pipe 20 can be fixed to the cylindrical member 19 with a predetermined protrusion amount. Therefore, the gantry main body 7 can be tilted in stages.

After tilting the gantry main body 7 to a desired angle in this way, the cable feeding device 22 is fixed on the gantry main body 7 via the clamp 9 as described above, and as shown in FIG. The endless belts 24. Optical fiber cables (not shown) are sandwiched between the endless belts 24.
．． 24, and pull it again to run the cable between pillars 1.

In addition, in order to remove the company mount of the present invention from the pillar l, first,
The cable feeding device 22 is removed from the gantry body 7, then the tightening handle 6 is turned in the opposite direction to loosen the chain 4, and one end of the chain 4 is taken out from the holder 8.

Another embodiment of the invention is shown in FIG. That is,
In this embodiment, the central portion 7a of the gantry main body 7 is pivotally supported on the support body 3 via a pin 25 that moves up and down along the elongated hole 3a of the support body 3. Elongated holes 7b, 7b are provided along the longitudinal direction at both ends of the gantry main body 7, and support shafts 26, 26 that move within these elongated holes 7b, 7b are provided.
The upper end of each extension pipe 20.20 is hinged to both ends of the frame body 7, respectively. In this embodiment, when the extension pipe 20.20 protrudes to the maximum extent from the cylindrical member 19.19, the length dimension of the extension support 17 becomes the maximum, so the frame body 7 moves upward along the elongated hole 3a. Also, when the extension pipe 20.degree. 20 reaches the minimum amount of protrusion, the length of the telescoping support 7 becomes the minimum, so the frame main body 7 moves downward. Therefore, by varying the amount of protrusion of the extension pipes 20, 20, it is possible not only to adjust the inclination angle of the gantry main body 7, but also to change the length of the extension column 17 after fixing the fixing member 2.2 to the column l. By doing so, the height of the cable feeding device 22 can be adjusted in accordance with the position of the cable on the pillar 1.

(Effects of the Invention) According to the present invention, a pair of fixing members attached to both ends of a support are fixed to a column using a wrapping member and a tightening handle for adjusting the tightening force thereof, and a mount is mounted above the support. The central part of the main body is swingably supported, and both ends of the main body are supported by a pair of telescopic columns pivoted below the support, so it is easy to fix the cable feed device to the main body of the stand. Furthermore, since the inclination angle of the gantry body changes with the expansion and contraction of the pair of telescoping columns, the inclination angle of the cable sending device with respect to the column can be arbitrarily set. Therefore, optical fiber cables with poor mechanical strength can be easily laid overhead without applying much tension.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a state in which a company mount according to the present invention is attached to a column, FIG. 2 is a perspective view showing how a cable sending device is attached to the company mount, and FIG. 3 is a perspective view of the structure shown in FIG. FIG. 4 is a perspective view showing a state in which the cable sending device is installed on a pillar using a company mount, and FIG. 4 is a diagram showing the main parts of a company mount according to another embodiment of the present invention. 1--------- one pillar, 2------ one fixing member, 3--- one support, 4--- one chain, 5----------One screw shaft, 6-------- Handle, 7----------- Main frame body. 9------- Clamp, 17-- Telescoping strut, 19--- Cylindrical member, 20-- Extending pipe, 22- ------- Cable feeding device, 23--
--------Plate. Figure 1 Figure 2 Figure 3 Figure 4

Claims (1)

[Claims] A mount for attaching a cable sending device to a tapered pillar for aerial cable installation, comprising a support body disposed along the vertical direction of the pillar, and an upper end and a lower end of the support body. A fixing member is attached to each of the fixing members, a pair of wrapping members are clamped to one end of each of the fixing members and wrapped around the column, and a pair of wrapping members are attached to the other end of each of the fixing members so as to protrude in a substantially tangential direction of the circumferential surface of the column. A tightening handle in which the other end of each of the winding members is connected to a screw shaft, and the tightening handle is screwed onto the screw shaft to tighten the winding member to the circumferential surface of the pillar and fix the fixing member to the pillar. , a gantry main body whose central part is swingably supported above the support and on which the cable feeding device is placed and fixed; and one end of each is supported below the support, and each A column mount for a cable sending device, comprising a pair of telescoping columns whose other ends are pivoted to both ends of the gantry main body and extend and contract in the axial direction to adjust the inclination angle of the gantry main body.