JPH08214430A - Device for paying out rope for stringing transmission line - Google Patents

Abstract

PURPOSE: To deliver a transmission line under a stable state, and to fold and miniaturize the device by mounting a pair of reel receivers with brakes at the top sections of a frame body supporting side frames oppositely faced to the two sides of a square base by support frames under an upright state while each height is made to differ. CONSTITUTION: Side frames oppositely faced to the two sides of a square base having a stacking means are set up, and support frames are combined with both end sections of the side frames, thus forming a frame body 12. A pair of reel receivers 30 with brakes 40 are disposed at the top sections of the frame body 12. Accordingly, the next reel can be prepared while delivering a transmission line from one reel, thus shortening a temporary stop time during operation, then allowing the stable delivery of the transmission line at constant velocity by using the brakes 40. Volume is reduced by folding, and transport and housing at the nonuse time can be facilitated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention, in the installation of a power transmission line supported by a steel tower, allows a rope for winding a power transmission line wound around a reel to be safely fed out from the reel, and the device can be folded to reduce the size. The present invention relates to a feeding device for a rope for laying a transmission line, which is improved so that it can be easily moved and stored.

[0002]

2. Description of the Related Art As a conventional example for feeding out a transmission line erection rope, frame-shaped iron pillars are arranged in parallel with each other and the transmission line erection rope is wound around the pair of pillars. The reel was mounted in a rotatable state. For this pillar, other construction materials were used instead of a dedicated device, and some of them were used after being improved.

[0003]

The feeding device for the rope for laying the power transmission line, which diverts the construction material, has a drawback that it is not stable during operation because it is not a dedicated device. In addition, installation of the power transmission line requires sending out six erection ropes at the same time, and six feeding devices must be installed in the same place, which makes it difficult to carry a large feeding device. It also had the drawback of being present. The present invention has been made to solve such a problem, and the power transmission line can be fed out in a stable state, and when the device is folded, the size is reduced, and it is easy to transport and store. It is an object of the present invention to provide a feeding device for a rope for constructing a power transmission line.

[0004]

In order to solve the above problems, the present invention has the following configuration. In the feeder for the rope for laying a power transmission line according to claim 1, side frames are respectively provided in an upright state on two opposing sides of a rectangular base provided with stacking means, and the side frames are connected to each other. Then, the frame main body was formed by providing a supporting frame for supporting the side frame in an upright state on the base. At the top of the frame body, a pair of reel receivers arranged at different heights are provided, and a brake that brakes the rotation of the reel receivers is provided on the top of the frame main body. The device. According to another aspect of the present invention, there is provided a transmission line erection rope feeding device in which a pair of side frames are arranged to face each other on a rectangular base provided with stacking means via a folding means that overlaps the base in parallel. . Further, a frame main body was formed on this base by connecting the side frames to each other to support the side frames in an upright state and by providing a supporting frame in a foldable state so as to overlap with the base.
At the top of the frame body, in a detachable state, a pair of reel receivers having different mounting heights are arranged, and a brake for braking the rotation of the reel receivers is provided on the reel receivers, so that the transmission line can be installed. It was used as a rope feeding device. According to a third aspect of the present invention, there is provided a transmission line erection rope feeding device, in which the frame main body shown in the first and second aspects is provided with a lifting means for movement and a movement prevention means for preventing movement during movement. It is a thing.

[0005]

According to the feeding device for the transmission line erection rope provided with the pair of reel receivers and the brakes while the stacking means are provided and the installation heights thereof are different from each other, the heights of the pair of reel receivers are increased. Therefore, the reel feeding position is different and the reel replacement work is easy. The weight of the reel changes depending on the length of the extended rope, which causes a change in the number of rotations of the reel. However, by operating a brake provided on the reel receiver, the rope can be always delivered at the same speed. Further, by utilizing the stacking means, the present apparatus can be stacked to facilitate storage and transportation.

[0006]

Embodiments of the present invention will be described with reference to the drawings. 1 is a perspective view showing a feeding device for a power line erection rope of the present invention, and FIG. 2 is an exploded perspective view of a frame body shown in FIG.
3 is an explanatory view showing a folded state of the frame body shown in FIG. 2, and FIG. 4 is an exploded perspective view of the folding means shown in FIG. As shown in FIG. 1, a feeder 10 for a rope for laying a transmission line according to the present invention.
Is a foldable frame body 12, a pair of reel receivers 30 arranged at different heights at the top of the frame body, and a brake 40 for braking rotation of the reels rotated by the reel receivers. Consists of. These frame bodies 1
2, the reel receiver 30 and the brake 40 will be described in more detail. As shown in FIG. 2, the frame body 12 includes a base 13 formed in a sled shape, and a pair of side frames 20 arranged on both sides in the longitudinal direction of the base via folding means 14.
And a supporting frame 24 that supports the pair of side frames in an upright state.
And a weight receiver 28 provided at one end of the base 13. The support frame 24 is attached to both ends of the side frame 20 and at three locations in the central portion, and the base 13, the side frame 20, the support frame 24, and the weight receiver 28 will be described in more detail.

As shown in FIG. 2, the base 13 is formed into a warp shape by arranging a pair of iron columnar members so as to be separated from each other and joining the columnar members with a crosspiece.
The columnar body is composed of rods having an L-shaped, U-shaped, or R-shaped cross-section, and the suspension means 18 composed of inverted U-shaped rods is projected at both ends of the columnar body. Upper means 1
A through hole serving as a movement preventing means 19 is provided in the lower columnar member 8. The hoisting means 18 is a hook portion for hoisting with a crane or the like when moving the device, and the movement preventing means 19 is fixed by pulling with a rope or the like so as not to move after the device is installed. It is for the purpose. At one end of the base 13, a storage box 29 for storing related parts and a weight receiver 28 for placing a weight on the box and preventing the apparatus from moving are provided. The weight receiver 28 is a frame, and the weight of a cube (not shown) is positioned by this frame. The side frame 20 and the support frame 24 are arranged adjacent to the weight receiver 28, and both form a rectangular frame body.

The side frame 20 is a combination of iron pillars like a crosspiece, and the side frame 20 is bent through a plurality of folding means 14 provided on the base 13 so that the side frame 20 is superposed on the base 13. , Attached in a foldable state. Folding means 1
4 has the same structure as the hinge as shown in FIG. 4, and by making the bending positions of the pair of side frames 20 different from each other, FIG.
As shown by, the other side frame can be overlapped and folded on one side frame. Further, as shown in FIG. 4, a temporary fixing device 23 is provided at one end of the side frame 20 to maintain the side frame in an upright state to facilitate the assembly of the frame body 12. In this temporary fixing device 23, a rod body that slides in a direction indicated by an arrow in the drawing is attached to the side frame 20, and the rod body is inserted into a hole provided in the base 13 to perform temporary attachment. The temporary fixing device is used when the frame body 12 is set from the folded state to the assembled state. Side frame 2
As shown in FIG. 2, the position of 0 is set to be higher in the middle part than in both ends, and the reel receiver 30 shown in FIG. 1 is attached to the position where the height is different. Although the side frame 20 is set to be divided into a front side and a rear side in the drawing, the side frame 20 is set so that the mounting height of the reel receiver 30 is different in a frame shape without particular attention to its shape. Any configuration will do.

Similar to the side frame 20, the support frame 24 is formed by forming an iron columnar member into a frame shape to support the side frame 20 in an upright state. Support frame 24 attached to the weight receiver 28 side and the central portion
Is attached to the base 13 via a hinge, and is set so that it can be folded in close contact with the base 13. This support frame is kept upright by fixing it to the side frame 20 with bolts and nuts (not shown). Also,
The support frame 24 provided on the base 13 on the side opposite to the weight receiver 28 is
It is detachable from the base and can be detached and housed in the storage box 29. This detachable support frame 24 is provided with a small protrusion 25 on one side thereof, and is inserted into a hole provided in the base 13 to be combined therewith, and the side frame 20 is similar to other support frames in that bolts and nuts are used. And fix the top with. Side frame 2
On the outside of the supporting frame 24 provided at both ends of 0, a stacking means 16 having a protrusion 17 at its tip is provided. On the back side of the base 13, which is below the stacking means 16, there is provided a hole (not shown) into which the protrusion 17 provided at the top of the stacking means is inserted, so that the present apparatuses using a plurality of machines at the same time are stacked. Consideration is given to stacking.

The reel receiver will be described with reference to the drawings. 5 is a perspective view of the reel receiver shown in FIG. 1, and FIG. 6 is an exploded perspective view of FIG. As shown in FIG. 5, the reel receiver 30 is
It is composed of a cylindrical shaft 31 and bearings 36 that rotatably support both ends of the shaft. These shaft 31 and bearing 36
And will be described in more detail. As shown in FIG. 6, the shaft 31 is composed of a cylindrical rod body, and has a receiving wheel 32 at both ends thereof.
Is provided. Although one of the receiving wheels 32 is not shown in the figure, a circular drum mounting plate 34 is provided on the outer side of the receiving wheel 32 with a slight distance, and an elliptical reel guide 33 is provided on the inner side.
Is provided. The oval reel guide 33 is provided with protrusions (not shown) at both ends thereof, and is inserted into a hole provided in the reel so that the both are united. Further, the receiving wheel 32 shown in the figure is slidable with respect to the shaft 31, and is arranged only in the inserted state so that it can be pulled out from the tip of the shaft 31. ing. However, in use, the shaft 31 is positioned by the bearing 36 and supports the shaft 31 in a rotatable state. The drum mounting plate 34 is mounted with a brake drum 50 which will be described later, and the reel guide 33 is united with a reel around which a rope is wound and rotates simultaneously with the reel. The bearing 36 is composed of an inner grooved disk 37 that surrounds the outer periphery of the receiving wheel 32, and is divided into two to accommodate the receiving wheel. The two-divided inner grooved disks 37 are respectively supported by U-shaped mounting plates 38, and both of them are mounted via hinges so that one ends thereof can be joined or separated to rotate. One of them is fixed to the side frame 20, and after the receiving wheel 32 is inserted into the inner grooved disk, it is rotated as shown by an arrow in the drawing to be combined as shown in FIG. Therefore, it is used by being fixed at the position shown in FIG.

The brake 40 will be described with reference to the drawings. 7 is a perspective view of the brake shown in FIG. 1, FIG. 8 is an exploded perspective view of FIG. 7, and FIG. 9 is an exploded perspective view of the fastener shown in FIG. As shown in FIG. 7, the brake 40 includes a circular brake drum 50 mounted on the drum mounting plate 34 described in FIG. 6, a brake main body 42 arranged so as to surround the outer peripheral wall of the brake drum, and the brake main body. And a tightening tool 45 for tightening. These brake drums 5
0, the brake main body 42, and the fastener 45 will be described in more detail. The brake drum 50 is in the form of a large container having a belt-shaped circumferential wall as shown in FIG. 8, and is fixed to the drum mounting plate 34 described above, which is not shown, by bolts and nuts and is detachably mounted. ing. Therefore, it is arranged so as to rotate integrally with the shaft 31 of the reel receiver 30. As shown in FIG. 8, the brake main body 42 includes a support base 41 attached to a part of the side frame 20 described above.
The brake drum 50 is divided into two parts so as to surround the outer peripheral wall of the brake drum 50 and is detachably attached to the support base 41. The brake main body 42 includes a belt-shaped brake band 43 made of a friction body and a band mounting base 44 that holds the brake band in an arc shape. The band mount 44 is
The inside is semi-circular, and the pair is opposed to each other so as to form a circle, and one end of each is rotatably attached to the support base 41. In addition, a fastening tool 45 is provided on each of the other ends of the band mounting bases 44 arranged to face each other.
Is provided, the band mounting base 44 is formed in a circular shape by rotating in the direction indicated by the arrow in the figure, and the brake is operated by the tightening tool 45. As shown in FIG. 9, the fastener 45 is
A bolt 46 having a plate-like stopper formed of a small piece at one end thereof, and a coil spring 4 inserted in the bolt
7 and washers 48 and nuts 49. Such a fastening tool 45 has a pair of bolts inserted into a notch provided at the tip of the band mounting base 44 rotatably mounted so as to face each other between the stopper at the tip of the bolt and the washer 48. The tip of the band mount 44 is attached so that it is pinched. By tightening the nut 49, the brake band 43 provided on the band mounting base 44 is attached to the brake drum 5
It presses 0 and brakes its rotation. Therefore, the nut 49
The rotation speed can be adjusted by tightening or loosening.

An example of using the feeding device 10 for a rope for constructing a power transmission line thus configured will be described with reference to the drawings. 10 is an explanatory view showing a state in which the reel around which the rope is wound is mounted on the shaft shown in FIG. 6, and FIG. 11 is an explanatory view showing a state in which the reel shown in FIG. 10 is attached to the present apparatus.
As shown in FIG. 10, a power line erection rope 56 used for a steel tower is wound around a bobbin-shaped object called a reel 55. The center axis of the reel 55 is provided with a hole so that the shaft can be inserted and rotated.
The shaft 31 of the reel receiver 30 indicated by is inserted. In this case, the carriage 32 attached to one of the shafts 31 in an inserted state is
It is inserted into the reel in a detached state, and the projection of the reel guide 33 provided on the shaft 31 is inserted into the hole provided on the reel 55 so that the shaft 31 and the reel can be integrally rotated. After the shaft 31 is inserted into the reel 55, the receiving wheel 32 is inserted from the tip of the shaft and the brake drum 50 is attached to the drum attachment plate 34 as shown in FIG. The reel 55 attached to the reel receiver 30 is hoisted by a crane or the like, and the receiving wheel 32 is inserted into the bearing 36 in the opened state as shown in FIG.
6 are combined and fixed by fixing means (not shown).
As shown in FIG. 1, since the reel receivers 30 have different heights and are provided at two places, the reel receivers 30 have a first
When the reel 55 and the second reel 58 are attached, the state shown in FIG. 11 is obtained.

In this device with a reel set as shown in FIG. 11, a weight 60 is placed on the weight receiver 28, and ropes are bound by passing through ropes in through holes as movement preventing means 19 provided at both ends of the base 13. Or fix it before use. Generally, since three steel ropes are installed on each side of the steel tower, six ropes in total, this device is installed as a set of six ropes.
The erection rope 56 is pulled out to the side opposite to the weight 60.
Since these ropes are pulled by the power provided at the pull-out destination, this device has no drive source. This rope is paid out from the first reel 55 shown in FIG. 11 by the pulling force of the erection rope, and when the rope is finished, the pulling is temporarily stopped, and its end is connected to the tip of the rope of the second reel 58, and Be withdrawn. When the rope disappears from the first reel 55, it is replaced with a spare reel, and a new reel is arranged every time the feeding of the rope is completed, so that the reel can be efficiently fed. Since the installation heights of the first reel 55 and the second reel 58 are different from each other, they have an effect that they are less likely to interfere with the work and delivery of them. Further, when the erection rope was unwound, the rotation of the reel in this device was not uniform and often varied because the rope was pulled by the power of several kilometers away. However, by providing the brake 40 and constantly applying a small braking force, it operates so that an average rotation can be obtained. The brake can be adjusted by operating the tightening tool 45.

An example of transporting the power line erection rope feeding device 10 to an installation site or setting it to a storage state when not in use will be described with reference to FIG. FIG. 12 is an explanatory diagram showing a state where FIG. 1 is folded and stacked. In order to transport the power line erection rope unwinding device 10, the present device can be folded to reduce the volume, and six of the present devices can be transported by one truck. To fold the apparatus, the weight 60 is removed, the brake 40 and the shaft 31 of the reel receiver 30 are removed, and the brake is housed in the storage box 29, and the shaft 31 is provided in a part of the base 13. Do not support it in a storage unit. Further, the combination of the supporting frame 24 and the side frame 20 forming the frame body 12 is released, and the supporting frame is detached or folded to the side of the base 13 for storage and the side frame 20 shown in FIG. The temporary fixing device 23 is removed, and the side frame is folded on the base 13 as shown in FIG. This state corresponds to the lower transmission line erection device 10 shown in FIG. In this state, the stacking means 16 provided at both ends of the base 13 are in a protruding state, so that the
Stack the units of this unit. This can be stacked by inserting a protrusion provided at the tip of the stacking means 16 into a hole (not shown) provided below the second stacking means. In the same manner, 6 units are stacked. This stacking is carried out on the bed of the truck by using a crane, so that the present apparatus, which can stack only one unit in the assembled state, can be carried by one truck as a set of six units. When not in use, it can be stacked in a warehouse with more stages.

[0015]

As described above, according to the present invention, a plurality of reels having different mounting heights are mounted on the frame body and a brake for braking the rotation of the reels is provided. The following effects were obtained. That is, since the next reel can be prepared while feeding out the power transmission line from one reel, the suspension time during the operation can be shortened, and the brake can be used to stabilize the speed at a substantially constant appropriate speed. In the state, it became possible to extend the transmission line. Further, the present apparatus is convenient for transportation and accommodation when not in use, since the volume is reduced by using the folding means and the stacking means is used for stacking.

[Brief description of drawings]

FIG. 1 is a perspective view showing a feeding device for a rope for installing a power transmission line according to the present invention.

FIG. 2 is an exploded perspective view of the frame body shown in FIG.

FIG. 3 is an explanatory view showing a folded state of the frame body shown in FIG.

FIG. 4 is an exploded perspective view of the folding means shown in FIG.

5 is a perspective view of the reel receiver shown in FIG. 1. FIG.

FIG. 6 is an exploded perspective view of FIG.

7 is a perspective view of the brake shown in FIG. 1. FIG.

FIG. 8 is an exploded perspective view of FIG. 7.

9 is an exploded perspective view of the fastener shown in FIG.

10 is an explanatory diagram showing a state in which a reel is mounted on the shaft shown in FIG.

11 is an explanatory diagram showing a state in which the reel shown in FIG. 10 is attached to FIG.

FIG. 12 is an explanatory view showing a state in which the feeding device for the transmission line erection rope shown in FIG. 1 is folded and a plurality of them are stacked.

[Explanation of symbols]

 10 Transmission line erection device 12 Frame main body 13 Base 14 Folding means 16 Stacking means 18 Lifting means 19 Movement prevention means 20 Side frame 23 Temporary fixing device 24 Support frame 30 Reel receiving 31 Shaft 32 Car receiving 36 Bearing 40 Brake 42 Brake body 45 Tightening tool 50 Brake drum 55 First reel 56 Construction rope 58 Second reel

Claims (3)

[Claims] 1. A support for supporting the standing state by connecting side frames to each other in a standing state on two opposing sides of a rectangular base provided with stacking means and connecting the side frames to each other. A frame body provided with a frame on the base, a pair of reel receivers provided at the tops of the side frames of the frame body and arranged at different heights, and a brake for braking the rotation of the reel receivers. A feeding device for a rope for constructing a power transmission line, which comprises: 2. A rectangular base provided with stacking means is provided with a pair of side frames opposed to each other via a folding means that overlaps the base in a substantially parallel manner, and the pair of side frames are provided to each other. A frame main body provided with a support frame connected to support the side frame in an upright state and foldable so as to overlap with the base, and is provided detachably at the top of the frame main body. A transmission line erection rope comprising a pair of reel receivers having different heights and arranged apart from each other, and a brake provided on each of the pair of reel receivers to brake the rotation thereof. Feeding device. 3. The frame main body is provided with hoisting means for moving the feeding device for the rope for power transmission line and movement preventing means for preventing movement during movement. The feeding device for a rope for laying a power transmission line according to claim 1 or 2.