JPS636212B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a method and apparatus for cleaning a roof that has a substantially mountain-like shape due to a sloped roof surface.

BACKGROUND TECHNOLOGY As shown in Fig. 1, a roof b formed into a substantially mountain shape by a pair of sloping roof surfaces a, a is formed into a substantially mountain shape by a pair of frames c, c along the roof b. It is known that a cleaning ladder d is movably provided, and a worker climbs up and down the cleaning ladder d, and also moves it to clean a pair of roof surfaces a, a.

When cleaning a roof in this manner, a worker must climb up and down a cleaning ladder, which is not only inefficient but also dangerous.

Moreover, since the cleaning ladder d, which is formed into a substantially mountain shape by the pair of frames c and c, is required, the apparatus becomes large-scale and expensive.

OBJECTS OF THE INVENTION It is an object of the invention to enable cleaning to be carried out efficiently, as well as to simplify the apparatus and reduce costs.

Structure of the Invention Either one of two opposing roof surfaces is cleaned with a cleaning tool provided with a swingable guide body, and then the guide body is reversed around the trough to clean the other roof surface. How I did it.

A main body is provided in a valley between two opposing roof surfaces so as to be freely movable in the longitudinal direction, and a guide body including a cleaning tool and a roller is provided on the main body so as to be swingable toward the two roof surfaces. A device in which a cleaning tool is brought into contact with one of the roof surfaces, and a roller is brought into contact with the top of either one.

Embodiment FIG. 2 is a schematic front view of the cleaning device. The roof B, which has a substantially mountain shape formed by a pair of sloping roof surfaces A and A, is connected by a plurality of connecting members C, and has a top part D and a valley part E. It constitutes a substantially wave-shaped continuous roof.

A cleaning device F is attached to the valley E so as to be swingable left and right and movable in the longitudinal direction.

FIG. 3 is a front view of the cleaning device F, and FIG. 4 is a plan view. On the building frame 1 constituting the valley E, a pair of left and right running rails 2, 2 and a locking rail 3 are installed in the longitudinal direction. (in the direction of the tree).

4 is a main body, which includes a bottom plate 4a and a pair of left and right side plates 4.
b, 4b form an upward U-shape, and wheels 6 are provided at the four corners of the bottom plate 4a via brackets 5, and one wheel 6 has a sprocket 7, a chain 8, The main body 4 is connected to a motor 10 as a drive source via a sprocket 9, and is driven by driving the motor 10 with the wheels 6 in contact with the running rail 2, so that the wheels 6 rotate and move the main body 4 along the running rail 2. moves back and forth in the longitudinal direction.

A support shaft 11 is installed between the pair of side plates 4b, 4b, and a gear 12 is fixed to one end of the support shaft 11.The gear 12 has a shaft rotatably supported by a bracket 13 on the side plate 4b. A worm gear 15 provided on the shaft 14 meshes with the shaft 14, and a reversing handle 16 is attached to the shaft 14.

17 is a locking piece, and a locking handle 18
It is attached to the bottom plate 4a so that it can be moved up and down by rotating the main body 4, and is engaged with the locking rail 3 to lock the main body 4 from moving in the longitudinal direction.

A guide body 20 is fixed to the support shaft 11, and this guide body 20 is connected to a pair of guide frames 21, 2.
1 are connected by a cross member 22, and the pair of guide frames 21, 21 have a pair of sliders 23,
23 is provided slidably in the longitudinal direction, and
A mounting base 24 is reversibly attached between the pair of sliders 23, 23, and a rotating brush 25 serving as a cleaning tool is rotatably driven by a motor 26 on the mounting base 24, as shown in FIG. It is installed.

A feed screw rod 27 is screwed into one of the sliders 23, and this feed screw rod 27 is supported between the cross members 22, and a motor 31 fixed to the cross members 22 via a sprocket 28, a chain 29, and a sprocket 30. and the other slider 2
A guide rod 32 is inserted into 3, and this guide rod 32
is installed between the cross members 22, and when the motor 31 is driven, the rotating brush 25 moves along the guide body 20.

A pair of upper and lower rollers 33, 33 are attached to the upper and lower ends of the guide body 20, and the rollers 33 are in contact with the side surface 34a of the cap 34 forming the top portion D.

As such, by driving the motor 10, the entire cleaning device F moves in the longitudinal direction along the valley E, and by rotating the reversing handle 16, the guide body 20 swings left and right, and the mounting The roof surface A where the platform 24 is reversed by its own weight and faces the valley E as a boundary
The rotating brush 25 comes into contact with either one of the two. At this time, the roller 33 comes into contact with the side surface 34a of the cap 34 and serves as a guide for movement in the longitudinal direction.

Further, by driving the motor 31, the rotating brush 25 moves along the guide body 20.

Further, by rotating the lock handle 18, the lock piece 17 is engaged with the lock rail 3, so that the main body 4 can be fixed in the longitudinal direction.

Next, the cleaning method will be explained.

The cleaning device F is located on one end side in the longitudinal direction of the roof B, the guide body 20 is placed on either one of the roof surfaces A side, and the rotating brush 25 is brought into contact with the roof surface A.

In this state, the main body 4 is locked so that it does not move in the longitudinal direction.

Guide body 20 while rotating rotating brush 25
The robot moves upward in the slope direction of the roof surface A to clean the roof surface A from the bottom to the top in the slope direction.

The main body 4 is unlocked, moved by a distance slightly shorter than the cleaning width of the rotating brush 25, and then locked again.

The rotating brush 25 is moved downward in the direction of inclination to clean the roof surface A from the top to the bottom along the direction of inclination.

This operation is repeated to clean one roof surface A.

The guide body 20 is reversed and placed on the other roof surface A, and the other roof surface A is cleaned in the same manner as described above.

In this way, the rotating brush 25 is moved in the inclination direction and the longitudinal direction (the direction of the frame) of one roof surface A to clean one roof surface A, and then the rotating brush 25 is reversed to the other roof surface A. Place it on the other roof surface A.
Since the roof surface A is cleaned in the same way, the worker does not have to climb up and down along the roof surface A, which improves work efficiency and improves safety.

Moreover, a pair of roof surfaces A facing each other with the valley E as a boundary can be cleaned with one cleaning device, and the device is simple and the cost is low.

7 and 8 show other embodiments of the inverted portion of the guide body, and as shown in FIG. 7, the worm gear 15
may be connected to a motor 35 via a reducer 34 and automatically reversed by the motor 35, or as shown in FIG. An arcuate guide groove 37 is formed with the center of the pin 36 in the guide groove 37.
It may be made to be able to slide freely along the guide body 20, and to be reversed by holding an operating rod 45 protruding from the guide body 20.

In addition, when the valley E is long as shown in FIGS. 9 and 10, a rail 38 is provided in the valley E, and the traveling cart 39 is movable along the rail 38 via wheels 40. At the same time, this traveling truck 39 is provided with a traveling rail 2 so that the main body 4 can be moved in the longitudinal direction via wheels 6, and when the guide body 20 is reversed, the traveling truck 39 is moved until it comes into contact with the stopper 41. , it may be fixed at that position with a stopper 41' and then reversed.

Further, as shown in FIGS. 11 and 12, a rotating brush 25 is provided along the longitudinal direction of the guide body 20, and this rotating brush 25 is made to protrude outward from the openings 20a and 20a on both sides of the guide body 20, The rotating brush 25 may be cleaned at once without moving in the direction of the slope of the roof surface A.

Further, as shown in FIG. 13, the rotating brush 25 is provided on the mounting base 24 via a horizontal shaft 42 parallel to the roof surface A, and the mounting base is reversible so that the rotating brush 25 can be rotated in the direction of inclination of the roof surface A. It may be attached to 24.

In addition, as shown in FIG. 14, the pair of guide frames 21, 21 constituting the guide body 20 are provided with water pipes 43, 43, respectively.
Cleaning liquid or the like may be sprayed onto the roof surface A from the water spray nozzle 44.

Effects of the Invention Since the two roof surfaces can be cleaned by moving the cleaning tool 25 in the longitudinal direction and swinging toward the two roof surfaces and reversing them, the work efficiency is improved and safety is achieved.

Two roof surfaces A can be cleaned by swinging the guide body 20 equipped with the cleaning tool 25, and two roof surfaces A can be cleaned with one device.
Since one roof surface A can be cleaned, the equipment is simple and the cost is low.

[Brief explanation of the drawing]

Fig. 1 is a schematic front view of a conventional example, Fig. 2 and subsequent figures show embodiments of the present invention, Fig. 2 is a schematic front view of the cleaning device, Fig. 3 is a detailed front view of the cleaning device, and Fig. 4 is a 5 is a side view of FIG. 3; FIG. 6 is a cross-sectional view taken along the line - - of FIG. 4; FIGS. 7 and 8 are front views showing different embodiments of the inverted portion of the guide body; 9
The figure is a schematic front view of the second embodiment, FIG. 10 is a detailed front view of the main body thereof, FIG. 11 is a schematic perspective view of the third embodiment, and FIG. 12 is a sectional view of the rotating brush portion thereof. FIG. 13 is a cross-sectional view of a different embodiment in which the rotary brush is attached, and FIG. 14 is a perspective view of the embodiment equipped with a water spray nozzle. A is the roof surface, D is the top, E is the valley, 4 is the main body,
20 is a guide body, 25 is a cleaning tool, and 33 is a roller.

Claims (1)

[Claims] 1. In a method of cleaning two sloped roof surfaces A, A facing each other with a valley E as a boundary, a cleaning tool 2
5 is placed on one roof surface A and moved in the longitudinal direction, and after cleaning one roof surface A with the cleaning tool 25, the guide body 20 is placed on the other roof surface with the valley E as the center. A roof cleaning method characterized in that the roof is placed upside down on surface A, the guide body 20 is moved in the longitudinal direction, and the other roof surface A is cleaned with a cleaning tool 25. 2. A main body 4 is provided in a valley E between two opposing roof surfaces A, A, so as to be freely movable in the longitudinal direction.
A guide body 20 is provided swingably toward the two roof surfaces A, A, and a cleaning tool 25 and a roller 3 that abuts on the top D of the roof surface A are mounted on the guide body 20.
3. A roof cleaning device characterized by having the following features: