JPH0692067B2 - Polishing equipment for street lights and other pipes - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] Industrial field of application The present invention is a brush body in which a polishing device is fitted to pipes such as a street light standing on the road, and the surface of the pipe is rotated. The present invention relates to a polishing device for pipes such as street lights, which is mechanically and automatically polished in a short time to remove rust.

Conventional technology Conventionally, street lights, signs, signal poles, gate poles, and other pipes, poles, and round bars that have been erected on the street are subject to aging due to wind and rain, solar radiation, air pollution, exhaust gas, and salt wind, The paint-painted ones had peeled off or rusted in about two years and the plated ones in about three years, so they were regularly ground with a so-called flat grinding stone sander, and then paint-painted.
Although it was maintained, the sander is polishing the width of about 1 cm over the entire circumference of the pipe and the entire length (total height), so while climbing up and down while moving the stepladder around the entire circumference, polish manually. In order to do so, one group of 3 people can perform only 2 pieces of polishing a day, which is very time-consuming, and labor costs increase, and there are countless pipes such as street lights all over Japan. Therefore, it has a disadvantage that it causes a great social loss and is very dangerous for moving a stepladder and climbing up and down.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The present invention is to install an abrasive device on a pipe such as a street light that is erected on a road, and move the abrasive device up and down to rotate an abrasive material on the surface of the pipe. By polishing the surface of the pipe mechanically and automatically in a short time by pressing it to reduce rust, save labor, reduce costs, and improve safety, as well as a polishing device for pipes such as street lights. Is intended to be provided.

[Structure of Invention]

Means for Solving the Problems In view of the above, the present invention has a C-shaped guide ring fixed to the upper end of a substrate, and can be integrally fixed to the C-shaped guide ring.
Attach the upper rotating ring and the lower rotating ring of the mold rotatably,
A drive mechanism is connected to the upper rotary ring and the lower rotary ring, and a polishing device for pipes such as a street light, to which a brush body is fixed, is provided to solve the above drawbacks.

Operation The present invention is to install a polishing device on the upper portion of a pipe such as a street light that is erected on the road, and slide the polishing device downward while rotating the polishing material pressed against the surface of the pillar. It mechanically and automatically polishes the entire circumference and length of the surface of the pipe to remove rust.

Embodiments An embodiment of the present invention will be described below with reference to the drawings. 1 is a polishing device for street lights, signs, signal poles, gate poles, and other pipes, poles, and round bars that are erected on the road. Pair of substrates 2,
A C-shaped (partially open annular type) wide guide ring 3 is fixed to the upper end of 2a, and outside the guide ring 3, keys 4 and 4a are circumferentially projected in two steps, and C-shaped upper rotating ring 7 with keyways 5 and 6 recessed inside
And the lower rotary ring 8 are fitted so that the keys 4, 4a and the key grooves 5, 6 guide so that the upper rotary ring 7 and the lower rotary ring 8 are rotatable with respect to the guide ring 3. ing.

The lower surface of the upper rotary ring 7 and the upper surface of the lower rotary ring 8 may be provided with a key and a key groove so as to be slidable with each other, or may be of a hinge type.

Threads 9 and 10 are screwed on the outer peripheral sides of the upper rotary ring 7 and the lower rotary ring 8 and can be integrally fixed at the opening edge by embedded tightening bolts 11, 11a. ing.

Reference numerals 12, 12a and 12b denote brush bodies fixed to the upper surface of the upper rotary ring 7, and 13 denotes brush bodies detachably fixed to the upper surface of the lower rotary ring 8, which are brush bodies 12, 12a, 12b, respectively.
Reference numeral 13 denotes support plates 14, 14a, ..., Support plate members 16, 16a ... Made of leaf springs are fixed to the support plates 1, 14a.
At the upper end of 6, 16a ..., a polishing material 18, which is made of a stainless steel brush (or a grinding stone), is provided with replacement screws 17, 17a.
18a ... is fixed.

Reference numeral 19 is a drive mechanism for the upper rotating ring 7 and the lower rotating ring 8, and a rotating shaft 21 is rotatably supported by a bearing 20 fixedly mounted on the substrates 2 and 2a, and the upper rotating ring is provided at the upper end of the rotating shaft 21. A drive gear 22 having a screw thread to be screwed into the screw threads 9 and 10 of 7 and the lower rotation ring 8 is fixed.

Reference numeral 23 is a motor, and the angle adjusting bolts 24 and 24a are fixed from the middle to the lower part of the motor 23, and the arc-shaped guide groove 25 is projected on the lower ends of the substrates 2 and 2a. The adjustment arm 26 is fixedly installed, and the drive shaft 27 at the upper end of the motor 23 is connected to the rotary shaft 21 by the universal joint 28, and the angle adjusting bolts 24 and 24a are fitted into the guide groove 25, so that the motor 23 can be tilted. Is done.

Although the four brush bodies 12, 12a, 12b, 13 have 90 degrees different phases, three brush bodies may be used.
As shown in the figure, three brush bodies 12, 12a, 12b may be fixed to the upper rotary ring 7 by changing the phase by 120 degrees.

Incidentally, 29 is a hand bracket fixed to the motor 23.

Although not shown in the drawings, a danger prevention cover is attached to the polishing device 1, a guide with a roller that moves on the pipe M to position the center is attached to the substrates 2 and 2a, and a caterpillar that moves up and down. If attached, it will be more practical, effective, and easier to work with.

Next, the operation of the polishing apparatus for pipes such as street lights according to the present invention will be described. The upper rotating ring 7 and the lower rotating ring 8 are slid and rotated to guide the substrates 2 and 2a, the upper rotating ring 7 and the lower rotating ring 7. The openings of the rotating ring 8 are aligned and the pipe M of the streetlight is opened from the opening.
, And then the upper rotary ring 7 (and the lower rotary ring 8) is rotated to tighten the tightening bolts 11, 11a ... to integrally fix the upper rotary ring 7 and the lower rotary ring 8 together.
When the abrasive materials 18, 18a of the brush bodies 12, 12a, 12b, 13 are pressed against the pipe M and drive the motor 23, the drive shaft 27, the universal joint 28, the rotary shaft 21, the drive gear 22, the screw threads 9, 10 are driven. The upper rotary ring 7 and the lower rotary ring 8 rotate via the, and the brush bodies 12, 12a, 12b, 13 rotate accordingly, and if the user holds the hand bracket 29 and descends upward, the pipe is mechanically and automatically The rust is removed by polishing the entire circumference and the entire length of M.

〔The invention's effect〕

In short, according to the present invention, the C-shaped guide ring 3 is fixed to the upper ends of the substrates 2 and 2a, and the C-shaped upper rotating ring 7 and the lower rotating ring 8 which can be integrally fixed to the guide ring 3 are rotatably attached. A drive mechanism 19 is connected to the upper rotary ring 7 and the lower rotary ring 8, and the brush bodies 12, 12a, 12b, 13 are connected.
By fixing the polishing device 1 to the pipe M to drive the motor 23, it is possible to simply move the hand bracket 29 up and down without turning around along the pipe M or moving the stepladder. , It is possible to mechanically and automatically polish the pipe M. Conventionally, one group of three people
It is possible to polish about two pieces a day in a few minutes, which can significantly reduce the labor and reduce the cost, and improve the safety without having to move the stepladder.

Further, the brush bodies 12, 12a, 12b, 13 are support plate members 1 made of leaf springs.
By fixing the abrasives 18, 18a ... to the tips of 6, 16a ..., the abrasives 18, 18a ... can be pressed against the pipe M, and the thickness of each pipe M can be accommodated. Again 1
It becomes thin at both the pipe M and the upper part, but the brush body 12, 12
It is possible to polish without adjusting a, 12b and 13.

Further, if the motor 23 of the drive mechanism 19 is configured to be tiltable with respect to the substrates 2 and 2a, the motor 23 does not hit the pipe M when polishing the pipe M whose upper part is bent, and the work is not hindered. Further, even when polishing the lower portion of the pipe M, the hand and posture of the motor 23 can be easily maintained, and the worker can easily perform the polishing work, which is a great practical effect.

[Brief description of drawings]

1 is a side view of a polishing apparatus according to the present invention, FIG. 2 is a plan view of the same as above, and FIG. 3 is a plan view of another embodiment. . 1 polishing device, 2, 2a substrate, 3 guide ring 7 upper rotating ring, 8 lower rotating ring 12, 12a, 12b brush body, 13 brush body 16, 16a ... support plate material, 18, 18a ... abrasive material 19 drive mechanism , 23 motor 28 universal joint 29 hand bracket, M pipe

Claims (1)

[Claims] 1. A C-shaped guide ring is fixed to an upper end of a substrate, and a C-shaped upper rotating ring and a lower rotating ring, which are integrally fixed to the guide ring, are rotatably attached to the upper ring and the lower rotating ring. A drive mechanism is connected to the
A polishing device for pipes such as street lights, which has a fixed brush body.