JPH0742360A - Building maintenance work device - Google Patents

Abstract

PURPOSE:To provide a safe work device with which work can be performed even for a curved surface or an inclined surface as well as a vertical flat surface for a wall surface or window surface of a multi-storied building, and with which work is not limited to be performed only when wind force is weak. CONSTITUTION:A device is provided with a support rail 1 installed laterally on an upper side wall surface of a building window A, a stop roller guide 2 installed laterally on a lower side wall surface of the window A, and a work carriage 5 having a movable bracket 3 having a support roller engaged with the support rail 1, and stop rollers 4a-4c engaged with the stop roller guide 2 installed at an upper part and a lower part respectively. By holding the support rail 1 by hand, and pulling and pushing it for moving the whole body of the carriage 5 in cleaning the wall surface or window surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a maintenance work device used for cleaning and repairing windows and walls of high-rise buildings.

[0002]

2. Description of the Related Art In recent buildings, there is a tendency to make windows larger and use a lot of top lights as a way of expressing individuality by valuing daylighting and diversifying building shapes. Along with this, since the window is made of a highly transparent material, it is particularly necessary to manage the window for maintenance such as dirt, breakage, and leakage of rain. However, such a work place has many high places and is a very dangerous place.

As a conventional method, a gondola or rope is used or scaffolding is used to deal with the problem. But,
The current situation is that it is difficult to clean and repair the shape of a building that includes slopes and rounded surfaces, and it is currently difficult.

In the case of a gondola, a lift machine is installed on the roof and the work is performed by suspending the gondola with a rope.

[0005]

However, the conventional work methods have problems that the wall surface of the building is vertical and that the work is limited when the wind force is weak. Also,
There are problems such as the installation of high-priced lift machines on the roof and the need for a large number of workers accordingly.

In view of the above points, the present invention is not limited to the vertical wall surface and the window surface of the building, but can be a curved surface or an inclined surface, and the work can be performed only when the wind force is weak. The purpose is to provide a safe working device.

[0007]

The means for solving the problems according to the present invention is, as shown in FIGS. 1 to 5, a support rail 1 mounted laterally on the upper wall surface of a building window A, and a lower wall surface of the window A. Of the retaining guides 2 installed in the lateral direction of the support rolls and the support rolls 12a, 12b engaged with the support rails 1,
A movable carriage 3 having a portion 12c is provided on an upper portion thereof, and a work carriage 5 having a detent roll 4 fitted on the detent guide 2 for preventing a shake from being attached to a lower portion thereof.

[0008]

In the above means for solving the problem, the method of use will be described. When the worker rides on the ladder type work trolley 5 stored at the end of the outer wall of each floor of the building and moves left and right, Attach your own safety belt to the work trolley 5,
The support rail 1 is held by hand and pulled or pushed to move the entire work carriage 5 left and right to clean the wall surface and the window surface.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. 1 to 5. In the device of the present invention, a support rail 1 mounted laterally on the upper wall surface of a building window A and the window A are shown. A pair of left and right moving brackets 3 each having a retaining guide 2 attached laterally on the lower side wall surface and three support rolls 12a, 12b, 12c engaged so as to sandwich the support rail 1 from three sides. A ladder-type work carriage 5 is attached to the upper part and to the lower part, respectively, a detent roll 4 fitted to the detent guide 2 to prevent shake.

The relationship between the moving bracket 3 and the support rail 1 will be described with reference to FIG. 2. The T-shaped wall mounting fitting 10 is screwed or welded to the outer wall of the upper side of the building window A. L-shaped support rail mounting bracket 1
1 is screwed, and the support rail 1 is placed on the support rail mounting bracket 11. The C-shaped groove 1d at the bottom of the support rail 1 has a nut plate 11b and a screw 11c inserted therein.
It is stopped by the metal fitting 11 by.

The first roll 12a is supported in the moving bracket 3 so as to sandwich the support rail 1 from above, and the first roll 12a is on the flat portion 1a of the rail from above, and the first roll 12a is on the support rail 1 from diagonally left and right. The second roll 12b and the third roll 12c are brought into contact with each other so as to be inserted into the concave grooves 1b, 1c of the moving bracket 3
Installed on the left and right of the trolley, the dolly 5 does not fall off the rails or sway, even with external force in any direction.
Perform stable movement.

Incidentally, the second and third rolls 12 based on FIG.
b, 12c, and left and right concave grooves 1 on the support rail 1
The inclination angle Y of b and 1c with respect to the horizontal is, for example, 10 degrees. Further, reference numeral 12d in the drawing denotes a rotation support shaft of each roll.

Referring to FIGS. 3 and 4B, the relationship between the retaining guide 2 and the work carriage 5 will be described. First, regarding the fixed portion, the T-shaped wall mounting metal fitting 10 is screwed on the outer wall below the building window A. It is fastened or welded, and the L-shaped retaining guide mounting metal fitting 11a is screwed to the L-shaped retaining guide mounting metal fitting 11a.
Is fixed by a nut plate 11b and a screw 11c inserted in a C-shaped rail 2a integrated with the disengagement prevention guide 2.

Further, as shown in FIG. 4B, an L-shaped plate 4d is provided for connecting the left and right L-shaped joints 4c to reinforce the left and right retaining rollers 4.

In the above description, the method of use will be explained. When a worker rides on a ladder type work trolley 5 stored at the end of the outer wall of each floor of a building and moves left and right, he / she is safe. The belt is attached to the work carriage 5, and the support rail 1 is held by hand and pulled or pushed to move the work carriage 5 as a whole to the left or right while cleaning the wall surface or the window surface.

When fixing the carriage, as shown in FIG. 5, the operator pulls the stop string 6a of the stopper device 6 installed on the carriage 5 downward to rotate the outer ring portion 7. A female screw 7a is cut at the center of the outer ring portion 7, and a male screw 8a at the base of the pressing rod 8 is fitted to the female screw 7a, and the pressing rod 8 is non-circular so as not to rotate, for example. Then, the pressing bar 8 projects and the cushioning material 9
Is crimped onto the support rail 1 to fix the carriage 5.

On the contrary, when releasing the fixation, the operator pulls the release string 6b downward to reversely rotate the outer ring portion 7 and pull the pushing bar 8 to release it.

Incidentally, as shown in FIG.
The L-shaped joint 4c is screwed onto the retaining plate 4 including the support shaft 4a and the rotating roll 4b on the mounting plate 5a located at the lower part of the retaining plate 5a and is inserted into the retaining guide 2 having an inverted U-shaped cross section. , Smooth movement and prevent shake.

Further, according to the change in the working condition of the building, a dedicated work vehicle 5 is used as in the second and third embodiments. For example, in the second embodiment shown in FIG. 6, the window A portion of the ceiling has an arch shape, and in this case, the ladder-shaped work carriage 5 is installed parallel to the outer periphery of the window A portion.

That is, a pair of front and rear support rails 1 mounted laterally on the lower wall surface of the arch-shaped building window A,
The pair of left and right moving brackets 3 having the three support rolls 12a, 12b, 12c engaged so as to sandwich the respective support rails 1 from the three sides are provided in the front and rear portions, respectively, and are parallel to the arch-shaped building window A. And a ladder-shaped work carriage 5 formed in an arch shape. Other configurations and operations are similar to those of the first embodiment.

The third embodiment of FIG. 7 is a case where the window A portion is inclined, and in this case, the work carriage 5 is installed parallel to the window A portion. That is, a pair of upper and lower support rails 1 attached in the lateral direction of the upper and lower wall surfaces of the inclined building window A, and three support rolls 12a, 12b, 12c engaged so as to sandwich the support rails 1 from three sides. And a pair of left and right moving brackets 3 having upper and lower portions, respectively, which are formed in an inclined shape in parallel with the inclined building window A.
Working equipment with and. Other configurations and operations are similar to those of the first embodiment.

The fourth embodiment of FIG. 8 is a case where the window A portion is a cylindrical portion, and in this case, the support rail 1 is installed parallel to the upper and lower outer circumferences of the window A portion. Other configurations and operations are similar to those of the first embodiment.

The work trolley 5 is provided with a hangar or the like at the end of the building to store the equipment and protects the equipment and keeps the aesthetic appearance of the building.

The present invention is not limited to the above embodiments, and it goes without saying that many modifications and changes can be made to the above embodiments within the scope of the present invention.

[0025]

As is apparent from the above description, according to the present invention, the worker rides on the work carriage previously attached and moves the work carriage along the support rail to a predetermined place such as a window. Since work can be performed, it is possible to increase work efficiency while being safe. That is, the wall surface and the window surface of the building are not limited to the vertical flat surface, the work can be performed even on a curved surface or an inclined surface, and the work can be provided with a safe working device that is not limited to when the wind force is weak. Since it does not require equipment such as a gondola or a crane, it has excellent effects such as reducing the number of workers and reducing costs.

[Brief description of drawings]

FIG. 1A is a front view of a support rail and a work carriage attached to a retaining guide according to a first embodiment of the present invention.

[Fig. 1-B] Side view of the same state

[Figure 1-C] Plan view of the same state

FIG. 2 is a vertical sectional side view showing the relationship between the support rail and the moving bracket.

FIG. 3 is a vertical sectional side view showing the relationship between the slip-off prevention guide and the slip-off prevention.

[Fig. 4-A] A plan view showing the attachment of the stopper and the work cart.

[Fig. 4-B] A plan view in which the same retaining guide is attached to the outer wall of the building.

FIG. 5 is a sectional view of the stopper device.

FIG. 6 is a side view in which a work carriage is arched in the second embodiment of the present invention.

FIG. 7 is a side view in which the work carriage is inclined in the third embodiment of the present invention.

FIG. 8 is a plan view of the window according to the fourth embodiment of the present invention in which the window is cylindrical and the support rail and the retaining guide are attached in an arc shape in accordance with the cylindrical shape.

[Explanation of symbols] A Building window 1 Support rail 1a Flat part of rail 1b, 1c Concave groove of rail 2 Detent guide 3 Moving bracket 4 Detent roll 5 Ladder work trolley 6 Stopper device 6a Stop string 7 Outer ring 8 Push Reliable rod 9 Buffer material 12a, 12b, 12c Support roll

Claims (5)

[Claims] 1. A support rail laterally attached to an upper wall surface of a building window, a retaining guide laterally attached to a lower wall surface of the window, and a support roll engaged with the support rail. A work device for building maintenance, comprising: a movable bracket having an upper portion, and a work carriage having a detent roll that is fitted to the detent guide to prevent a shake and attached to a lower portion thereof. 2. The building having a pair of front and rear support rails mounted laterally on a lower wall surface of a building window and moving brackets having support rolls engaged with the respective support rails at front and rear portions, respectively. A work device for building maintenance, comprising a work carriage formed in parallel with a window. 3. The building window having a pair of upper and lower support rails attached to the upper and lower wall surfaces of the building window in the lateral direction and moving brackets having support rolls engaged with the respective support rails at the upper and lower portions, respectively. A work device for building maintenance, comprising: a work cart formed in parallel with the work cart. 4. The support rail is supported in a moving bracket so as to be sandwiched, and the first roll is inserted from above into a flat portion of the rail, and from left and right diagonally below into the left and right concave grooves in the support rail. The work device for building maintenance according to claim 1, wherein the second roll and the third roll are in contact with each other. 5. A stopper device for rotating the outer ring portion by pulling down the stop string installed on the trolley, projecting the pressing rod, and crimping the cushioning material to the support rail is provided. The working device for building maintenance according to claim 1.