JP2524764Y2 - Rolling roller - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller for extending distribution lines or telephone cables.

[0002]

2. Description of the Related Art Conventionally, as a roller for extending electric wires and the like on a pole and in the air, a one-wheel type roller is usually mounted on a bracket having a hook at an upper end so as to rotate one roller. Line rollers are known.

[0003]

In a conventional one-wheel type drawing roller, when a wire having a large diameter is bent in a desired direction and drawn, the wire having a large radius is hardly bent. R) is large, and therefore a roller with a small R does not follow the radius of curvature of the roller groove and cannot be extended.
m, 400mm ... single-roller type drawing roller is used, but if the R of the roller is so large, not only the roller becomes bulky but also the weight becomes extremely heavy, handling at high places is inconvenient, and the work efficiency is reduced. Had problems. The present invention uses a small-diameter, non-bulky roller, R = 300 mm, 4
It is possible to form a large radius such as 00mm. Moreover, by simply replacing the bracket, it is a general-purpose extension wire that can be used for multi-purpose extension work, such as on pillars, in the air, and in manholes. It is intended to provide a roller for use.

[0004]

In order to achieve the above object, in the roller for wire drawing of the present invention, a substantially triangular bearing in which the rotation shafts of a plurality of rollers are provided in parallel with the left and right side surfaces of the rollers. The bearings are supported by plates, the connecting pivot shafts are inserted into the ends of the adjacent bearing plates, and the bearing plates are rotatably connected around the connecting pivot shafts. A curved connecting roller that changes the position of the curved connecting roller on the arc line with the rotation of the plate, tightens the left and right bearing plates of the curved connecting roller from outside with clamping screws and fits a part of the roller rotating shaft and clamps it. Of the left and right clamping suspension plates,
One side rotates inward and outward around the hinge at the lower end
Preparative and coca substantially collapsed U-shape to latch in closing hook and
Attach hooks vertically to the center of the top plate of the attached U-shaped bracket to form a hanging bracket. The bearing plate is clamped by a bracket combined with an L-shaped or T-shaped as shown in FIGS.

[0005]

When the hanging bracket is attached, the roller for wire drawing constructed as described above can be hung on a pillar with a hook, and a small-diameter roller group is arranged along the inverted V-shape. The wire passing through the groove can draw a large R and can be extended on a pillar. Also, the screw shaft can be removed and the hanging bracket can be removed to be used as a curved connecting roller. L-shaped, T-shaped, etc. When the bracket is attached, it is suitable for wire drawing work such as manholes.

[0006]

Embodiments will be described with reference to the drawings.
In FIGS. 1 to 4, the rollers 1, 1 ₁ , and 1 ₂ are formed, for example, from an aluminum material or an iron material into a substantially drum shape with a narrow central portion. Left and right (upper and lower in FIG. 2) bearing plates 2, 2
_1, 2 ₂ bearing plates 2,2,2 ₁ of each right and left to form the two substantially triangular shape, for example an iron plate, 2 _{1, 2} 2, 2 ₂ bottom plate 3,3 _1, 3 fixed to the bottom portion ₂ , each roller 1,
1 _1, 1 ₂ of the right and left sides 4,4,4 _1, 4 _1, 4 _2, 4 each side 4,4,4 ₁ outside position of the _2, 4 _1, 4 _2, 4 ₂ and fixed parallel to and, the rotating shaft 5,5 ₁ of each roller 1,1 _1, 1 _2,
Bearing plates 2, 2, 2 facing the 5 _2, respectively _1, 2 _1,
Inserted into 2 _2, 2 ₂ vertices corners, each roller 1,1 ₁ screwed, 1 ₂ attaches to parallel to rotate the respective bearing plates 2, 2 _1, 2 _2.

The bearing plate connecting shafts 6 and 7 are connected to the rotating shaft 5 at a position where a part of the bottom corner of the adjacent bearing plate ₂ , 2, 2 ₁ , 2 ₁ , 2 ₂ , 2 ₂ overlaps. It is inserted in parallel and screwed, and each adjacent bearing plate ₂ , ₂ , 2 ₁ ,
2 ₁ , 2 ₂ , 2 ₂ are pivotally connected to one another such that they can rotate about bearing plate connecting shafts 6 and 7 to form a curved connecting roller 8. The clamping suspension plates 9, 9 are, for example, iron plates and
It is formed in an L-shape, and the upper side is bent inwardly into an L-shape to form the edge 10 of the wire.

[0008] U-shaped bracket 11 is formed in a size capable of Coca substantially fallen U shape on the outer side of the bearing plate 2 _1, 2 ₁ of the right and left, of the both side surfaces of the right and left, one is suspended one挾着A fixed side surface 12 is formed by being fixed to the center upper side position of the lower plate 9, and the other side surface is hinged to the center upper side position of the other clamping suspension plate 9 by a hinge 13 so as to be openable and closable. To form The opening / closing hook 15 is a top plate 1 of the U-shaped bracket 11.
An opening / closing hook provided in a hook shape in the lateral direction on an end surface of the opening 6 has a size protruding from a hook hole 17 formed in the opening / closing side surface 14. The opening stopper plate 18 has an upper end formed to have a thickness capable of being inserted into the hook of the opening / closing hook 15, and has a pivot 1 at the lower end.
9 is attached to the opening / closing side surface 14 so that the upper end can rotate in parallel with the opening / closing side surface 14 around the center 9. The safety pin 20 is inserted from the opening stop plate 18 toward the opening / closing side surface 14 and is always pulled inward by a spring, and the opening stopping plate 18 rotates unless the tip of the safety pin 20 is pulled out from the opening / closing side surface 14. The safety locking means of the opening / closing side surface 14 is constituted in such a manner as not to be performed.

The rotary shaft insertion holes 21, 21 ₁ , and 21 ₂ are provided with respective rollers 1, ₁₁ , 1 and _{12 of the} curved connecting roller 8 in a desired radius.
Forming a position, for example 1 _{if 1} a roller 1, 1 ₂ at both ends about the the lower position the rotation axis 5, 5 ₁ of each roller (see FIG. 1), 5 ₂ of both ends挾着suspended bored at a position brought into contact with the plate 9, 9 formed so that the ends of the rotary shafts 5,5 _1, 5 ₂ is fitted by挾着from the left and right of the lower plate 9, 9 hanging below to挾着I do. The holding holes 22, 22 ... of the holding suspension plate
Are pierced at the opposing positions of the sandwiching suspension plates 9 facing each other,
The suspension bracket 23 integrated with the above-mentioned U-shaped bracket 11 is formed.挾着screws 24 and 24 are inserted laterally into each挾着holes 22, 22, tighten挾着the bearing plates 2, 2 _1, 2 ₂ of the curved connecting rollers 8 in the lower plate 9, 9 hanging挾着I do. More specifically, the rotary shaft insertion holes 21 and 2
1 _1, 21 ₂ each, fitted to both ends of the rotary shaft 5, 5 _1, 5 _2, bearing plates 2,2,2 _1, 2 _{1, 2} 2, 2 ₂ hanging挾着the outer surface lower plate 9 , 9 are fixed was and the lower plate 9, 9 and the bearing plate 2, 2 _1, 2 ₂ hanging挾着to tighten挾着screws 24 and 24 are spliced.

[0010] The bearing plate fixed cylinder 25, 25 ₂ bolts securing flange for inserting and fixing to be described later is inserted laterally outward position corners of the bottom side of each connecting plate 2,2 _2. The hook 26 is fixed to the center of the top plate 16 in a hook shape. As shown in FIG. 5, the suspension bracket 23 is removed, and instead of the clamping suspension plate 9, an L-shaped fixing flange 27 formed in an L-shape is fixed to the bearing plate connecting shafts 6, 6, 7, 7 and the bearing plate. It curved connecting rollers 8 and fixed by screws to the cylinder 25 ₂ is the lower置延line roller bent in L-shape.
Further, as shown in FIG. 6, instead of the clamping suspension plate 9,
The T-shaped fixing flange 28 formed in a T shape is connected to the bearing plate connecting shafts 6, 6, 7, 7 and the bearing plate fixing cylinder 25 _2.
When it is fixed with screws, it becomes an overhead wire for the manhole M. In the embodiment of the present invention, three rollers 1 are described. However, the number of rollers 1 is not limited to three, and can be easily changed by increasing or decreasing the number of connected bearing plates 2.

[0011]

As described above, the roller for wire drawing of the present invention cannot be bent with a small radius, and has a large diameter wire which draws a large radius, or a small diameter wire in which the extension of the telephone line is not bulky. Using a roller makes it lightweight and easy to handle, improving work efficiency, and by simply replacing the bracket,
It can be easily changed to the desired R, for pole use, air use,
Convenient general-purpose extension rollers for underlay and manhole can be easily obtained.

[Brief description of the drawings]

FIG. 1 is a front view of a wire drawing roller.

FIG. 2 is a plan view of a wire drawing roller.

FIG. 3 is a perspective view of a curved connecting roller portion of the wire drawing roller.

FIG. 4 is a perspective view of a hanging bracket portion of the wire drawing roller.

FIG. 5 is a perspective view showing an embodiment for an underlaying wire which is bent into an L-shape of a wiredrawing roller.

FIG. 6 is a perspective view showing a manhole embodiment of a roller for wire drawing.

[Explanation of symbols]

 1, 1₁, 1_Two Roller 2, 2₁, 2_Two Bearing plate 3,3₁, 3_Two Bottom plate 4, 4₁, 4_Two Side 5,5₁, 5_Two Rotating shaft 6 Bearing plate connecting shaft 7 Bearing plate connecting shaft 8 Curved connecting roller 9 Clamping suspension plate 10 Lost edge 11U-shaped bracket  DESCRIPTION OF SYMBOLS 12 Fixed side surface 13 Hinge 14 Opening / closing side surface 15 Opening / closing hook 16 Top plate 17 Hook hole 18 Opening stopper plate 19 Axis 20 Safety pin 21 Rotation shaft insertion hole 22 Clamping hole 23 Hanging bracket 24 Clamping screw 25 Bearing plate fixing cylinder 26 Hook 27 L-shaped fixing flange 28 T-shaped fixing flange

Claims (1)

(57) [Scope of request for utility model registration] 1. A parallel rollers 1,1 ₁ in parallel, 1 the rotary shafts 5,5 _{2 1,} 5 ₂ sides of each of the left and right rollers 4, 4
_1, 4 ₂ substantially triangular bearing plate provided parallel to the 2,2
_1, 2 ₂ respectively rotatably and bearings, the bending connecting roller 8 forms the end of each adjacent bearing plates 2, 2 _1, 2 ₂ linked to rotatably, the bearing plate 2, 2 ₁ , 2 ₂ and挾着from outside, to the rotating shaft 5,5 _1, 5 ₂ of the lower plate 9, 9 hanging挾着substantially ruffled V-shape to fit the end, one of the opening and closing side 14
Hinged at the lower end of the hinge, and the upper end is centered on the hinge 13.
It rotates inward and outward to open and close, and the top plate 16 has a hook 2
The suspension bracket 23, in which the U-shaped bracket 11 provided with the U-shaped bracket 6 is formed in a substantially inverted U-shape, is connected to the connecting roller 8.
Both sides of the bearing plate 2, 2 _1, 2 ₂ of the extension line roller formed by挾着integrally clamped挾着screw 24 than the outer.