JPH036717Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a formwork corner treatment device for cleaning mortar and the like adhering to the corners of the formwork in an automatic concrete formwork cleaning device.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The above-mentioned automatic cleaning device for concrete formwork equipped with a corner treatment device of the present invention will be explained with reference to FIGS. 1 to 6.

A beam 2 is provided in a cylindrical concrete form 1 in the longitudinal direction of the form 1, and a device main body 3 is engaged with the beam 2 so as to be movable along the beam 2. The cylindrical formwork 1 includes shapes ranging from completely closed shapes to partially open shapes. The device main body 3 consists of a boat-shaped horizontal member 4, and a first vertical member 5, a second vertical member 6, and an auxiliary vertical member 7, which are provided upright on the horizontal member 4. Two first engaging wheels 8 and two second engaging wheels 9 are attached to the horizontal member 4 of this device main body 3.
A first engagement rail 10 as a guide rail is rotatably supported on the upper surface and side surface of the beam 2.
and a second engagement rail 11 are respectively fixed in the longitudinal direction of the beam 2, and the first engagement rail 10 and the second engagement rail 11 of the beam 2 are connected to the first engagement rail 10 and the second engagement rail 11 of the device main body 3.
The engagement wheel 8 and the second engagement wheel 9 are respectively engaged so that they can run. Winches 12 are installed at both ends of the beam 2.
and a sheave 13, a wire rope 14 is wound around the winch 12 and the sheave 13, both ends of the wire rope 14 are connected to the device main body 3, and the device main body 3 is connected to the beam 2 by operating the winch 12. It can be run along.

A drive motor 15 is mounted on the horizontal member 4 of the apparatus main body 3, and a drive sprocket 28 is provided on the rotational shaft of the drive motor 15, and a driven sprocket 29 is supported at the upper end of the first vertical member 5. The chain 16 is wound around the drive sprocket 28 and the drive sprocket 28. A first fixed position pulley 17 and a second
The fixed position pulley 18 is rotatably supported on the first vertical member 5, the second vertical member 6, and the auxiliary vertical member 7, and the first movable pulley 19 and the second movable pulley 20 are rotatably supported on the vertical members 5, 6. . By linking the driven sprocket 29 with the first fixed position pulley 17 and the second fixed position pulley 18 and driving the drive motor 15, the first fixed position pulley 17 and the second fixed position pulley 18 can be rotated. . Two threaded rods 22 are provided in the device main body 3,
The threaded rod 22, the first moving pulley 19 and the second
The movable pulley 20 is connected to the rotating shaft 23 via a tension spring 24, and the first movable pulley 19 and the second movable pulley 20 are always moved downward (in the direction of arrow C).
to be energized. A guide roller 25 is rotatably attached to the upper ends of the first vertical member 5 and the second vertical member 6 of the apparatus main body 3.

A ring frame 26 is fixed to the top ends of the first vertical member 5 and the second vertical member 6 of the apparatus main body 3. This ring frame 26 has a V-shaped part at the upper part and a flat part at the lower part, and has a shape that is slightly larger than the outer circumferential shape of the demolded formwork 1. Four guide rollers 27 are provided on the inner peripheral side of the ring frame 26 at approximately equal intervals and are rotatable, and two sets of corner treatment devices 30 of the present invention, which will be described later, are provided on the lower flat portion. The first fixed position pulley 17, the first movable pulley 19, the first pull-out roller 31 and the first feed roller 33 of the corner processing device 30 of the present invention, the second fixed position pulley 18, the second Moving pulleys 20, 2
The first cleaning rope 35 and the second cleaning rope 36 are engaged with the second pull-out roller 32 and the second feed roller 34 of the corner processing device 30 of the present invention, and the first cleaning rope 35 and a second cleaning rope 36 are stretched endlessly so as to surround the outer surface of the formwork 1.

A mold release agent supply pipe 37 is fixed to the surface of the ring frame 26 on the opposite side to the drive motor 15 side, following the shape of the ring frame 26, and a nozzle 38 is installed on the inner peripheral side of the mold release agent supply pipe 37. Provide many at equal intervals. A high-pressure hose 4 connects this mold release agent supply pipe 37 and a mold release agent pressure-feeding tank 40 installed in the tunnel 39.
Connect by 1.

Next, we will explain about welding. First, an automatic cleaning device is positioned on the concrete pouring agent side of the formwork 1. Next, the winch 12 and drive motor 15 are driven, and at the same time, the mold release agent is pumped from the mold release agent pressure feeding tank 40. Then, the main body 3 of the apparatus moves in the direction of the arrow A in FIG. 1, and the first cleaning rope 35 and the second cleaning rope 36 circulate in the direction of the arrow B in FIG. At the same time, the mold release agent is uniformly sprayed onto the outer circumferential surface of the mold 1 from the nozzle 38 of the mold release agent supply pipe 37.

Note that the automatic concrete formwork cleaning device described above is designed to prevent the cleaning ropes 35 and 36 from getting wet with the mold release agent.
5 and 36 may be impregnated with a mold release agent, or a structure may be provided in which only a cleaning rope drive mechanism is provided without providing a mold release agent supply mechanism. Further, the number of cleaning ropes may be one, three, four, etc.

However, some formworks 1 have corners in their cross-sectional shapes, such as metal forms, polygonal formworks, formworks with flat parts, and the like. On the other hand, since the cleaning ropes 35 and 36 are used to scrape off mortar and the like adhering to the surface of the formwork 1, they have a certain degree of rigidity. For this reason, as shown in FIG. 12, the cleaning ropes 35 and 36 cannot completely follow the corners of the formwork 1 (metal form) due to their rigidity. As a result, the cleaning rope 35,3
6, and the feeding of the corners of the formwork 1 (that is, the side of the formwork 1 from which the cleaning ropes 35, 36 are fed out in the running direction of the cleaning ropes 35, 36 as shown by the arrows)
There may be a gap between the corner of the wall and the corner of the wall, and mortar may be left behind after removal. Also, cleaning rope 3
Since the cleaning ropes 5 and 36 are in direct contact with the corners of the formwork 1, there is a problem in that the cleaning ropes 35 and 36 are easily rubbed against the corners of the formwork 1 and worn out.

The present invention aims to provide a formwork corner processing device in an automatic concrete formwork cleaning device that solves the above-mentioned problems.

In the present invention, a frame is fixed to the main body of the device, a roller mechanism is installed on the frame to face the corner of the formwork, and a cleaning rope is attached to the roller mechanism on one of the outer sides of the frame that sandwiches the corner of the formwork. It is characterized in that the cleaning rope is stretched so as to follow the corner of the formwork by being wound so as to be once pulled out along the outer surface of the mold and then fed in again along the other outer surface.

Hereinafter, two examples of the formwork corner treatment device in the concrete formwork automatic cleaning apparatus according to the present invention will be described with reference to FIGS. 7 to 11.

7 to 10 show a first embodiment of the formwork corner processing device of the present invention.

In this embodiment, the formwork corner treatment device of the present invention has a ring frame having a V-shaped part at the top and a flat part at the bottom, and having a shape slightly larger than the outer peripheral side of the demolded formwork 1. 26 is fixed to the main body 3 of the automatic cleaning device for concrete formwork. Two first feed rollers 33 and two second feed rollers 34 are respectively installed in the ring frame 26 at locations corresponding to the two corners of the border between the circular arc portions on both sides of the formwork 1 and both ends of the flat bottom portion. Each shaft is rotatably supported. A long hole 50 is provided at a location closer to the center of the flat portion of the ring frame 26 than the location where the first feed roller 33 and the second feed roller 34 are supported. Two sets are opened in the same direction as the running direction of the cleaning ropes 35 and 36, and two slide shafts 51 are installed in the long holes 50 of the two sets.
are inserted, and the first pull-out roller 31 and the second pull-out roller 32 are respectively attached to both ends of the two slide shafts 51, and two multi-stage turnbuckles 52 are installed between the two slide shafts 51. intervene. Attachment arms 53 are provided at the center and both ends of the flat bottom portion of the ring frame 26.
and 54, and its mounting arms 53 and 54 are implanted.
A spring lower support 55 is fixed to the upper surface of the spring supporter 55. on the other hand,
Two cleaning rope holders 5 are mounted on the top surface of three mounting plates 56.
7, the three mounting plates 56 correspond to the mounting arms 53 and 54, and the two cleaning rope holders 57 correspond to the two mounting arms 53 and 54.
The book cleaning ropes 35 and 36 are fixed to correspond to each other, and spring upper supports 58 are fixed to the lower surfaces of both ends of the three mounting plates 56. This rope receiver 57,
A spring 59 is interposed between the upper spring receiver 58 of the mounting plate 56 and the lower spring receiver 55 of the mounting arms 53 and 54 of the ring frame 26, and the two rope receivers 57 are connected to the two first feeders. It is located between the rollers 33 and between the two second feed rollers 34.

The first pull-out roller 31 and the second pull-out roller 3 of the two formwork corner processing apparatuses of the present invention are thus constructed.
2. First feed roller 33 and second feed roller 3
4, the first cleaning rope 35 and the second cleaning rope 3
6 is wound along the corner of the formwork 1, and the cleaning ropes 35 and 36 are set on the two rope receivers 57. That is, the cleaning ropes 35 and 36 are wrapped around the first pull-out roller 31 and the second pull-out roller 32 on the left side (or right side) from the bottom to the top, and the cleaning ropes 35 and 36 are wrapped around the side arc portion of the formwork 1. Once pulled out at a curvature that is almost the same as the curvature of. Next, the cleaning ropes 35 and 36 are wrapped around the first feed roller 33 and the second feed roller 34 on the left side (or right side) from the bottom to the top.
6 is again fed horizontally along the bottom flat part of the formwork 1. Then, set the cleaning ropes 35 and 36 on the rope receiver 57, wrap them around the first feed roller 33 and second feed roller 34 on the right side (or left side) from above to the bottom, and then ) is wrapped around the first pull-out roller 31 and second pull-out roller 32 from the upper side to the lower side.

Since the formwork corner processing device of the present invention in this embodiment has the above-described configuration, by circulating the cleaning ropes 35 and 36, the formwork
Even the corners of the can be cleaned completely and reliably.

That is, the cleaning ropes 35, 36 are pulled out by the pull-out rollers 31, 32 and the feed rollers 33, 34,
Pull out the formwork 1 along the corner, and then remove the formwork 1.
Since the cleaning ropes 35, 36 are fed again along the corners of the formwork 1, no gaps are created between the cleaning ropes 35, 36 and the corners of the formwork 1, especially the feeding side, as shown in FIG. Therefore, even the corners of the formwork 1 can be reliably and completely cleaned. Further, since the cleaning ropes 35 and 36 run along the corners of the formwork 1, the problem of the cleaning ropes 35 and 36 being worn out when they come into contact with the corners of the formwork 1 can be solved.

In addition, the formwork corner processing device of the present invention in this embodiment has a cleaning rope 3
5 and 36 are pressed against the surface of the formwork 1, so that the formwork 1
It is possible to more reliably remove mortar and the like that have adhered to the surface. Moreover, cleaning ropes 35, 36
Since the mold is pressed against the mold 1, it is suitable for cleaning molds 1 having the above-mentioned flat portions, curved portions with large curvatures, and concave portions. Furthermore, since a multi-stage turnbuckle 52 is interposed between the pull-out rollers 31 and 32 of the two sets of corner processing devices, the slack in the cleaning ropes 35 and 36 installed in the two sets of corner processing devices can be taken up and tension can be transferred to the cleaning ropes 35, 36.

Figure 11 shows the second part of the formwork corner treatment device of the present invention.
It is an explanatory diagram showing an example of.

In the formwork corner treatment device of the present invention in this embodiment, one roller 60 serves both as a pull-out roller and a feeding roller, and has the effect of simplifying the structure.

As is clear from the above embodiments, the formwork corner processing device of the present invention pulls out the cleaning rope along the corner of the formwork and feeds it again along the corner of the formwork, so cleaning The rope can be made to follow the corners of the formwork, so that the corners of the formwork can be cleaned completely and reliably. Moreover, it is possible to solve the problem that the cleaning rope is easily worn out when it comes into contact with the corners of the formwork.

Note that, as a matter of course, the formwork corner processing device of the present invention is not limited to the above-mentioned embodiments.

[Brief explanation of the drawing]

Fig. 1 is a side view of an automatic concrete formwork cleaning device equipped with a formwork corner treatment device according to the present invention, Fig. 2 is a front view, Fig. 3 is a front view of a cleaning rope system, and Fig. 4 is a front view of a cleaning rope system. The figure is a side view of the cleaning rope system, FIG. 5 is a front view of the ring frame system, and FIG. 6 is a side view of the ring frame system. 7 to 10 show a first embodiment of a formwork corner treatment device in an automatic concrete formwork cleaning device according to the present invention, and FIG. 7 is a plan view showing a rope system on the left half. FIG. 8 is a front view, FIG. 9 is a line indicated by the - line arrow in FIG. 7, and FIG. 10 is an explanatory diagram showing how to hang a rope. FIG. 11 is an explanatory diagram of how to hang a rope, showing a second embodiment of the formwork corner treatment device of the present invention. FIG. 12 is an explanatory diagram showing how to hang a rope in a conventional automatic cleaning device. 1...Formwork, 2...Beam, 3...Device body,
8, 9... Engagement wheel, 10, 11... Engagement rail,
12...Winch, 14...Wire rope, 15
... Drive motor, 17, 18, 19, 20 ... Pulley, 26 ... Ring frame, 30 ... Corner processing mechanism, 31, 32, 33, 34 ... Roller, 3
5, 36...Cleaning rope, 37...Mold release agent feeding pipe, 38...Nozzle, 40...Mold release agent feeding pipe, 4
1... High pressure hose, 50... Long hole, 51... Slide shaft, 52... Multistage turnbuckle, 53,
54...Mounting arm, 55...Spring lower support, 56
...Mounting plate, 57...Cleaning rope holder, 58...Spring upper holder, 59...Spring, 60...Roller.

Claims (1)

[Claim for Utility Model Registration] A guide rail is installed in a cylindrical formwork having corners in the longitudinal direction of the formwork, and a device body is engaged with the guide rail so as to be able to run along the guide rail. ,
A drive unit is mounted on the main body of the device, a drive pulley is linked to the drive unit, and a cleaning rope is stretched around the drive pulley endlessly so as to surround the outer surface of the formwork.
In an automatic cleaning device for concrete formwork, which drives the drive unit to circulate the cleaning rope and cleans the outer surface of the formwork by running the device main body along a guide rail, the device is fixed to the device main body. A frame is provided on the frame to face a corner of the formwork, and the cleaning rope is pulled out along one outer surface constituting the corner of the formwork, and then pulled out again along the other outer surface. A corner of a formwork in an automatic concrete formwork cleaning apparatus, comprising: a roller mechanism for wrapping the cleaning rope so as to send the cleaning rope around the corner of the formwork, and stretching the cleaning rope so as to follow the corner of the formwork. Department processing equipment.