JPH08218632A - High pressure water peeling device - Google Patents

Abstract

PURPOSE: To enhance the efficiency for removing adhesive matter by providing a rotary nozzle, a reflecting panel, an inclined panel and the like in a casing incorporating induction feed rollers so as to wash the lower surface of a temporarily used component such as a scaffold while moving the temporarily component. CONSTITUTION: A temporarily used component such as a scaffold returned from a building site is conveyed to a rotary nozzle by means of feed rollers 6, 7, and very high pressure water is jetted from the nozzle 4 on rotation in order to remove adhesive matter such as concrete, exterior spray coating or paint, sticking to the outer surface of the component. At this time, the jetted water is reflected by a reflecting panel 20 and an inclined panel 20a so as to float the member to be stripped (the temporarily used component) in order to wash the lower surface thereof. A surface preparation material is attached to a flange 18 at a side surface of the feed roller 12 which is rotated at a speed higher than that of the other rollers, so as to remove the adhesive matter. Further, it is possible to eliminate the necessity of man power and to remove the adhesive matter without damaging the component which is then held in custody for reuse. With this arrangement, it is possible to efficiently remove the adhesive matter.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-pressure water stripping apparatus for stripping and cleaning deposits such as concrete and exterior spraying materials attached to temporary construction materials by using ultra-high pressure water.

[0002]

2. Description of the Related Art At a construction site such as a building, a scaffold for temporary construction is built around a building and used as a passage for workers. Such temporary construction materials are dismantled when the building is completed, collected, and prepared for reuse. Conventionally, in the maintenance of temporary materials for construction,
Adhesions such as concrete, exterior spraying materials, paints, etc. adhering to the temporary materials were peeled off using a gold brush.

[0003]

As described above, conventionally, since the deposits of the temporary construction material are peeled off by using the gold brush, there is a problem that the workability is poor. In addition, the quality of concrete, exterior spray materials, paints, etc. has been improved,
There is a problem that the peeling work is difficult because the adhesive force is improved. Also, in order to improve workability of temporary materials for construction, the weight reduction of aluminum is being promoted, and there is a problem that temporary materials are easily scratched by conventional peeling work using a gold brush. is there.

The present invention has been proposed in order to solve the problems of the prior art as described above, and does not damage the temporary construction material when peeling the adhering material such as concrete from the temporary construction material, and It is an object of the present invention to provide a high-pressure water stripping device capable of stripping with good workability.

[0005]

In order to achieve this object, a high-pressure water stripping apparatus according to the present invention sends an object to be stripped, which is a temporary material for construction collected from a construction site, under a rotating nozzle and after stripping and cleaning. Transporting means for sending the object to be peeled to the outside, a rotary nozzle for jetting high-pressure water jet while rotating against the object to be peeled, and peeling and cleaning deposits attached to the object to be peeled, The slope to be placed and sent, the object to be peeled is placed, the jet of high-pressure water is reflected, and the jet of high-pressure water is circulated below the object to be peeled to float the object to be washed with water pressure for cleaning. It is configured to have a reflection plate for high-pressure water buffer with a plate.

In the high pressure water stripping apparatus according to the present invention,
The conveying means is composed of a rotating roller, and a cleaning material is attached to the inner surface of the flange of the rotating roller on the outlet side, and the rotating roller on the outlet side is rotated at a higher speed than the other rotating rollers to be discharged. The side surface of the object to be peeled is cleaned with the cleaning material of the rotating roller on the outlet side.

[0007]

According to the above-mentioned structure, the object to be peeled off fed to the conveying means can be peeled off and washed by the jet of high-pressure water jetted from the rotary nozzle. At this time, the jet of high-pressure water is bounced off by the high-pressure-water buffer reflection plate with the inclined plate and wraps around to the lower side of the peeled object to float and clean the peeled object, so that the entire peeled object can be thoroughly cleaned. .

Further, the conveying means is composed of a rotating roller, a cleaning material is attached to the inner surface of the flange of the rotating roller on the outlet side, and the rotating roller on the outlet side is rotated at a high speed, whereby the object to be peeled is discharged. Are rubbed with keren material and washed.

[0009]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows a partially cutaway vertical sectional view of a high-pressure water stripping apparatus according to the present invention as viewed from the side, and FIG. Further, FIG. 3 shows a vertical cross-sectional view of the apparatus as viewed from the front, and FIG. 4 shows a plan view of the apparatus. In these figures, the left and right side plates 2, 2 of the casing 1
3, a plurality of (three in this embodiment) feed rollers 5, 6 and 7 for transporting an object to be peeled of temporary construction material to below the central rotating nozzle 4 are rotatably installed by bearings 8. ing. A roller 9 for sandwiching and feeding the object to be peeled is arranged above the feed rollers 5, 6, and 7.

A plurality (three in this embodiment) of discharge rollers 10, 11 and 12 for sending the object to be peeled which has passed under the rotary nozzle 4 to the outside are mounted on the left and right side plates 2 and 3 by bearings 8. It is rotatably installed. A roller 13 for sandwiching the object to be peeled at the time of transfer is also arranged above the discharge rollers 10, 11, and 12. The rollers 9 and 13 can move up and down according to the thickness of the object to be peeled. Pulleys 15 are fixed to the rotary shafts 14 of the feed rollers 5, 6 and 7 and the discharge rollers 10, 11 and 12, respectively. Is rotated in the conveying direction of the object to be peeled.

Further, the flange 16 of the feed roller 5 located at the inlet portion into which the object to be peeled is inserted has a larger diameter than the flanges of the other feed rollers 6 and 7 so that the object to be peeled can be aligned and fed. Has become. Also for the discharge roller, the flange 17 of the roller 11 located at the center has a large diameter so that the objects to be peeled can be aligned and sent to the outside.

Further, the discharge roller 12 located at the outlet portion is rotated faster than the other rollers.
As shown in FIGS. 5 and 6, the skeletal material 19 is radially attached to the inner surface of the collar 18 so that the discharged material to be peeled can be removed by the skeletal material 19.

Here, the feeding rollers 5, 6, 7 and the roller 9, and the discharging rollers 10, 11, 12 and the roller 13 correspond to the conveying means. At the center of the casing 1 into which the object to be peeled is fed by the feed rollers 5, 6 and 7, a high pressure water buffering reflection plate 20 is attached to the left and right side plates 2 and 3 below the rotary nozzle 4 by welding. . The right and left sides of the high-pressure water buffer reflecting plate 20 are provided with inclined plates 20a, 20 bent obliquely outward (side plates 2, 3 side) at appropriate angles.
a is installed. These inclined plates 20a, 20a can effectively utilize the reflection of high-pressure water to enhance the cleaning effect.

Next, the mounting structure of the rotary nozzle 4 will be described. A top plate 21 is attached to the upper ends of the left and right side plates 2 and 3 in the front-rear direction, and a rotary nozzle protection cover 22 is installed at the center of the top plate 21. A hole 23 for passing a jet of high-pressure water downward is formed in a portion of the top plate 21 inside the cover 22.

Inside the protective cover 22, a rotary nozzle base 24 having a circular plane shape and a lower opening is fixedly mounted via a support member 24a, and a hydraulic rotary mechanism 25 is installed on the rotary nozzle base 24. Has been done. Reference numeral 26 is a hydraulic pipe. A nozzle blaster 28 is attached to a rotary shaft 27 of the hydraulic rotating mechanism 25, and the nozzle blaster 2
Nozzles 4 and 4 are attached to both ends of 8. From these nozzles 4 and 4, ultra-high pressure water of maximum 2500 kg / cm ² sent from the high pressure water pipe 29 is jetted. The upper plate 30 of the protective cover 22 has a hydraulic pipe 2
6 and a hole 31 through which the high-pressure water pipe 29 is passed. In addition, a transparent inspection window 32 is installed on the semicircular side wall of the rotary nozzle protection cover 22 so that the operating state of the rotary nozzle 4 can be seen.

Next, the operation of the high-pressure water stripping device thus constructed will be described. In this high-pressure water stripping device, the scaffolding material 33 and the like as shown in FIG. 7 used when assembling the scaffolding plate as a passage for a worker at a construction site are stripped. When an object to be peeled such as the scaffold 33 is put into the apparatus through the inlet as shown by an arrow P in FIG. 2, it is transferred by the feed rollers 5, 6 and 7 to below the rotary nozzle 4 while being aligned by the large-diameter brim 16. To be done. From the rotating nozzle 4,
A jet of ultra-high pressure water is jetted toward the object to be peeled. At this time, the jet of the ultra-high pressure water directly hits the object to be peeled, and also hits the high pressure water buffering reflection plate 20 having the inclined plates 20a on the left and right. The jet stream 34 of high-pressure water sprayed and reflected by the left and right inclined plates 20a enters below the body to be peeled (scaffolding material 33) to float the body to be peeled and to the lower side of the body to be peeled, as shown in FIG. Can also be effectively cleaned. As a result, the whole object to be peeled off is cleaned with the ultra-high pressure water, so that the adhering substances such as concrete, exterior spraying material, and paint attached to the object to be peeled off can be satisfactorily removed.

The object to be peeled which has passed under the rotary nozzle 4 is sent out to the outside by discharge rollers 10, 11, 12. At this time, since only the discharge roller 12 on the outlet side is rotated rapidly, the side surface of the object to be peeled is further cleaned by the cleaning material 19 provided on the inner surface of the collar 18 of the roller 12, and the adhered matter on the object to be peeled is further cleaned. Are completely removed. In addition,
As the temporary construction material (object to be peeled) for construction, scaffolding boards and the like can be washed in addition to the scaffolding material 33.

[0018]

As described above, according to the present invention, the cleaning of the temporary construction material is carried out by using the jet of ultra-high pressure water jetted from the nozzle, so that the conventional gold brush is used. Compared to the case of peeling off the adhered substance, the work efficiency is remarkably improved, and the peeling cleaning can be performed well.

Further, even if the temporary construction material is made of aluminum, there is an advantage that the temporary construction material is not scratched because it is washed with ultra-high pressure water. In addition, since it has a reflector for high-pressure water buffer with an inclined plate, the jet of ultra-high-pressure water jetted from the rotating nozzle bounces off with this reflector and wraps around the underside of the temporary material, causing the temporary material to float under water pressure. Since it can be washed while doing so, it has the advantage of being able to completely remove the deposits on the temporary materials.

Further, the rotation roller (discharge roller) on the outlet side
By attaching the keren material to the collar and rotating this roller at high speed, when temporary materials are discharged to the outside,
Since the temporary material can be washed with the keren material, there is an advantage that the peeling cleaning effect of the temporary material can be enhanced.

[Brief description of drawings]

FIG. 1 is a partially cutaway vertical cross-section of a high-pressure water stripping device according to the present invention as viewed from the side.

FIG. 2 is a cross-sectional view of the high-pressure water stripping device.

FIG. 3 is a vertical cross-sectional view of the high-pressure water stripping device as seen from the front direction.

FIG. 4 is a plan view of the high-pressure water stripping device.

FIG. 5 is a plan view showing a discharge roller on the outlet side.

FIG. 6 is a sectional view taken along line AA of FIG. 5;

FIG. 7 is a perspective view showing an example of temporary construction material to be peeled off.

FIG. 8 is an explanatory diagram showing a state in which a jet of high-pressure water circulates under a temporary construction material for construction and is washed while floating the temporary construction material by a reflection plate for buffering high-pressure water.

[Explanation of symbols]

 1 Casing 2,3 Side Plate 4 Rotating Nozzle 5,6,7 Feeding Roller 8 Bearing 9 Roller 10,11,12 Discharging Roller 13 Roller 14 Rotating Shaft 15 Pulley 16,17,18 Tsuba 19 Keren Material 20 High Pressure Water Buffer Reflecting Plate 20a Inclined plate 21 Top plate 22 Rotating nozzle protection cover 23 Hole 24 Rotating nozzle stand 24a Support member 25 Hydraulic rotating mechanism 26 Hydraulic piping 27 Rotating shaft 28 Nozzle blaster 29 High pressure water piping 30 Upper plate 31 Hole 32 Inspection window 33 Scaffolding 34 High pressure Jet stream of water

Claims (2)

[Claims] 1. A transporting means for feeding an object to be peeled, which is a temporary material for construction collected from a construction site, under a rotary nozzle, and for feeding the object to be peeled after peeling and cleaning to the outside, and rotating with respect to the object to be peeled. While spraying a jet of high-pressure water to remove and clean the deposits on the object to be peeled, the rotary nozzle is placed below the rotary nozzle, and the object to be peeled is placed on it. A high-pressure water stripping device having a high-pressure-water buffer reflection plate with an inclined plate that reflects and blows a jet of high-pressure water even below the stripped object to float and wash the stripped object. 2. The conveying means comprises a rotating roller,
Keren material is attached to the inner surface of the collar of the outlet-side rotating roller, and the side surface of the object to be peeled is discharged to the outlet-side by rotating the outlet-side rotating roller at a higher speed than other rotating rollers. The high-pressure water stripping device according to claim 1, wherein the rotating roller is washed with a keren material.