JPH08215112A - Wall surface cleaning device in building - Google Patents

Abstract

PURPOSE: To smoothly clean a wall surface that is not flat but has a level difference, in a setback building where an upper floor is narrower than an intermediate floor. CONSTITUTION: An arm 53 is provided to the roof 11 so as to be projected above an intermediate roof 12. A trolley 54 is provided to the arm 53 so as to be movable in the lengthwise direction of the arm. A cleaning unit 25 is suspended from the trolley 54 by means of a hoist 58. Vertical upper rails 41 for elevatedly guiding the cleaning unit and vertical lower rails 45 for elevatedly guiding the cleaning unit are provided to the upper wall surface 13 that is extended from the rear edge of the intermediate roof 12 and to the lower wall surface 14 that is extended from the front edge of the intermediate roof 12 respectively. On the intermediate roof 12, a cleaning unit shifting carriage 34 is provided so as to be capable of being traveled in the forward and rearward direction between the lower ends of the upper rails 41 and the upper ends of the lower rails 45.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall surface cleaning device for cleaning an outer wall surface including a window glass of a high-rise building, for example.

[0002]

2. Description of the Related Art An apparatus of this type is known in which an arm is provided on a roof so as to extend above a wall surface, and a cleaning unit is hung from the tip of the arm by a rope of a hoisting machine. ing.

[0003]

If the entire wall surface of the building is made of one flat surface, the entire wall surface can be cleaned by the conventional device.

However, in some buildings, the floor from the middle floor to the upper floor is narrowed, and the wall surface is not flat and there is a step. For example, it is a building in which a roof and a middle roof are provided in a staircase shape, an upper wall surface is hung at the rear edge of the middle roof, and a lower wall surface is hung at the front edge of the middle roof.

In such a building, the above conventional device can clean the upper wall surface, but cannot clean the lower wall surface.

If the lower wall surface is to be cleaned, an arm may be provided on the inner roof and another cleaning unit for cleaning the lower wall surface may be hung from the arm, which would complicate the apparatus. It is uneconomical.

An object of the present invention is to provide a wall surface cleaning device which can clean a wall surface which is not flat but has a step in a building in which the floor from the middle floor to the upper floor is narrowed without any trouble. Especially.

[0008]

In the wall surface cleaning device according to the present invention, the roof and the middle roof are provided in a stepped manner, the upper wall surface is hung on the rear edge of the middle roof, and the lower wall surface is hung on the front edge of the middle roof. In a building in which the arm is provided on the roof so as to extend over the middle roof, and the trolley is provided on the arm so that the trolley can move in the arm length direction. A vertical upper rail for cleaning unit lifting guide is installed on the upper wall surface, and a vertical lower rail for cleaning unit lifting guide is installed on the lower wall surface. It is provided so that it can travel in the front-back direction between the upper end of the lower rail and the upper end of the lower rail.

Further, the upper rail and the lower rail are each provided with a front opening inside enlarged guide groove extending in the length direction thereof, and the cleaning unit can roll in the guide groove length direction in the guide groove. A roller that cannot pass through the opening of the guide groove in the front-rear direction is provided, and a notch that allows the roller to pass when the cleaning unit is placed on the carriage located at the backward limit is provided at the opening edge of the guide groove of the upper rail. It is preferable that the upper end of the guide groove of the lower rail is open.

An auxiliary carriage having a cleaning unit mounting portion is provided on the carriage so as to be movable relative to the carriage in the same direction as the movement direction of the carriage. The roller may be positioned directly above the upper end of the guide groove of the lower rail while the cleaning unit is placed on the auxiliary carriage.

[0011]

In the wall surface cleaning apparatus according to the present invention, the roof is provided with the arm so as to project over the middle roof, and the arm is provided with the trolley so as to be movable in the arm length direction. The cleaning unit is hung by the upper machine, the vertical upper rail for cleaning unit lifting guide is installed on the upper wall surface, and the vertical lower rail for cleaning unit lifting guide is installed on the lower wall surface.The cleaning unit is transferred to the middle roof. Since the trolley is installed so that it can run in the front-back direction between the lower rail and the lower rail, the upper wall surface is cleaned while the cleaning unit is moved up and down along the upper rail, and along the lower rail. The lower wall surface is cleaned while the cleaning unit is moved up and down, and the cleaning unit is transferred between the upper rail and the lower rail by the carriage.

Further, the upper rail and the lower rail are each provided with a front opening inside enlarged guide groove extending in the length direction thereof, and the cleaning unit can roll in the guide groove length direction in the guide groove. A roller that cannot pass through the opening of the guide groove in the front-rear direction is provided, and a notch that allows the roller to pass when the cleaning unit is placed on the carriage located at the backward limit is provided at the opening edge of the guide groove of the upper rail. When the upper end of the guide groove of the lower rail is open, the cleaning unit is attached to and detached from the upper rail through the notch, and the cleaning unit is attached and detached to the lower rail through the upper end of the guide groove of the lower rail.

An auxiliary carriage having a cleaning unit mounting portion is provided on the carriage so as to be movable relative to the carriage in the same direction as the movement direction of the carriage. When the roller is positioned directly above the upper end of the guide groove of the lower rail when the cleaning unit is placed on the auxiliary carriage, the cleaning unit moves up and down with respect to the lower rail. Is removed.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

In the following description, the front and rear sides are referred to as the front on the right side of FIG. 2 and the rear on the opposite side with reference to FIG.
Left and right are the left and right sides when viewed from the front.

Referring to FIGS. 1 and 2, a horizontal middle roof 12 which is one step lower than the roof 11 is provided obliquely below the front of the horizontal roof 11 of the building. A vertical upper front wall surface 13 extends downward from a front edge of the roof 11, and a lower edge of the upper front wall surface 13 is connected to a rear edge of the middle roof 12. A vertical lower front wall surface 14 extends downward from the front edge of the inner roof 12. A vertical left wall surface 15 extends downward from the left edges of the roof 11 and the middle roof 12. The entire left wall surface 15 is made of one flat surface.

A pair of horizontal rails 21 for transporting cranes extending in the left-right direction along the front edge of the roof 11 and a pair of vertical rails 22 for transporting cranes extending in the front-rear direction along the left edge of the roof 11 are provided. There is. A turntable 23 for changing the direction of the crane is provided at the intersection of the horizontal rail 21 and the vertical rail 22. A crane 24 is mounted on the horizontal rail 21. A cleaning unit 25 is suspended from the crane 24.

The middle roof 12 is provided with a plurality of pairs of vertical rails 31 for running the parent carriage extending in the front-rear direction, and a pair of horizontal rails 32 for running the parent carriage extending in the left-right direction so as to intersect with the vertical rails 31. ing. A turntable 33 for changing the direction of the parent carriage is provided at the intersection of the vertical rail 31 and the horizontal rail 32. A parent carriage 34 is mounted on one of the vertical rails 32. On the parent carriage 34, two pairs of small truck traveling rails 35 extending in the moving direction of the parent carriage are provided. A child carriage 36 is mounted on each of the two pairs of small carriage traveling rails 35. On the child carriage 36, a pair of grandchild truck running rails 37 extending in a direction intersecting with the small truck running rails 35 are provided. A grandson truck 38 is mounted on the grandson truck running rail 37. A cleaning unit placement section 39 is provided on the grandchild truck 38.

On the upper front wall surface 13, a plurality of vertical upper guide rails 41 are provided at regular intervals. Upper guide rail 41
Has a front opening internal enlarged groove 42. Internal expansion groove 42
The upper end of is open. A short upper notch 43 and a long lower notch 44 are formed near the lower end of the internal expansion groove 42 with a slight space therebetween.

FIG. 3 shows the peripheral portion of the upper notch 43 of the upper guide rail 41. The upper guide rail 41 is made of a front opening lip channel. The upper notch 43 is formed by partially removing the lip of the channel member.

On the lower front wall surface 14, the same number of vertical lower guide rails 45 as the upper guide rails 41 are provided so as to correspond to the upper guide rails 41. The lower guide rail 45 has the same shape as the upper guide rail 41, and has a front opening internal enlarged groove 46.

A plurality of vertical protrusions 47 are provided on the left wall surface 15 at regular intervals. A pair of left guide rails 48 is provided on the opposite side surfaces of the adjacent ridges 47. The left guide rail 48 has the same shape as the upper guide rail 41 to the lower guide rail 45 and has an internal expansion groove 49. , The openings are facing each other.

The crane 24 includes a horizontal rail 21 and a vertical rail.
A trolley 51 traveling along 22 and a crane main body 52 provided on the trolley 51 so as to be rotatable about a vertical axis.
An arm 53 provided so as to horizontally project from the crane main body 52, a trolley 54 provided on the arm 53 so as to be movable in the longitudinal direction thereof, and a vertical axis about the trolley 54. A horizontal suspension bar 55 that is rotatably installed, a rope 56 that suspends the cleaning unit 25 from both ends of the suspension bar 55, and a rope winding drum 57 that is mounted on the crane body 52. It consists of the upper machine 58.

The cleaning unit 25 is not shown in detail,
Although illustrated as a rectangular parallelepiped box type that is long in the left and right here, it is an automatic cleaning device equipped with a worker riding cage or spray nozzle, water supply and drainage equipment, and the like.

4 to 6 show the details of the left end portion of the cleaning unit 25 (the right side in FIG. 4 is front, the left side is rear, the lower side is left, and the upper side is right). Although the right end portion of the cleaning unit 25 is not shown in detail, the left end portion of the cleaning unit 25 is different from the left end portion in the left-right direction, but since it has the same structure, its description is omitted.

The top and bottom rear edges of the left end portion of the cleaning unit 25 have horizontal horizontal guide rails extending horizontally.
61 is provided, and a rectangular parallelepiped box-shaped movable frame 63 that is vertically long is supported on both guide rails 61 via two pairs of upper and lower traveling wheels 62 sandwiching the guide rails 61. Movable frame
On the 63, first to fourth rightward protruding horizontal support plates 64 to 67 are sequentially provided from above.

A horizontal female screw cylinder 71 is penetratingly provided between the second support plate 65 and the third support plate 66, and a horizontal screw rod 72 is screwed into this. A movable frame moving motor 73 is arranged below the left end of the screw rod 72. A chain 76 is wound around a drive sprocket 74 fixed to the output shaft of the motor 73 and a driven sprocket 75 fixed to the left end of the screw rod 72.

When the screw rod 72 is rotated by the operation of the motor 73, the movable frame 63 along with the female screw cylinder 71 is moved in the left-right direction along the guide rail 61.

A vertical rotation shaft is provided on the first support plate 64 and the second support plate 65.
81 has been passed. A vertical cylinder 82 is fitted and fixed on the rotating shaft 81. An L-shaped mounting member 83 is provided on the outer surface of the vertical cylinder 82, and a vertical strip plate bracket 85 is vertically swingably mounted on a vertical portion of the L-shaped mounting member 83 via a parallel link 84.
A tapered upward guide member 86 is fixed to the upper end of the bracket 85, and an upper roller group 87 is attached from the upper end to the lower end of the bracket 85. Upper roller group 87
Are three vertical large-diameter rollers 88 arranged in a line in the vertical direction, and two pairs of vertical small-diameter rollers having rotation centers arranged two by two between adjacent large-diameter rollers 88 and orthogonal to the large-diameter rollers 88. Consisting of a roller 89.

An upper roller group swinging motor 91 is arranged to the left of the rotary shaft 81. A chain 94 is wound around a drive sprocket 92 fixed to the output shaft of the motor 91 and a driven sprocket 93 fixed to the lower end of the rotating shaft 81.

When the rotating shaft 81 is rotated by the operation of the motor 91, the vertical cylinder 82 is rotated together with the rotating shaft 81.
As a result, the upper roller group 87 is swung in the horizontal direction about the rotation shaft 81.

A vertical guide rod 101 and a screw rod 102 are provided on the third support plate 66 and the fourth support plate 67. An elevating body 103 is slidably passed through the guide rod 101. The elevating / lowering body 103 has a horizontal wall 104 protruding leftward and having a threaded rod 102 rotatably penetrating the same. A vertical female screw cylinder 105 is screwed onto the screw rod 102 so as to be sandwiched between the horizontal walls 104 from above and below. Detent pin 10 through bottom horizontal wall 104
6 is engaged with the female screw cylinder 105 so as to be freely disengageable.

An inverted L-shaped mounting member is provided on the outer surface of the female screw cylinder 105.
107 is provided, and a vertical strip-shaped bracket 109 is vertically swingably attached to a vertical portion of the bracket 107 via a parallel link 108. A tapered downward guide member 116 is fixed to the lower end of the bracket 109, and a lower roller group 117 is attached from the lower end to the upper end of the bracket 109. The lower roller group 117 includes four vertical large-diameter rollers 118 arranged in a line in a vertical line, and two large-diameter rollers 118 arranged adjacent to each other, and having three centers of rotation that are orthogonal to the large-diameter rollers 118. It consists of a pair of vertical small-diameter rollers 119.

Rightward of the upper end of the screw rod 102 (leftward in FIG. 6)
A screw rod rotating motor 121 is arranged in the. motor
A chain 124 is wound around a drive sprocket 122 fixed to the output shaft of 121 and a driven sprocket 123 fixed to the upper end of the screw rod 102.

When the motor 121 is operated, the screw rod 102 is rotated. At this time, if the detent pin 104 is engaged with the female screw cylinder 105, the female screw cylinder 105 cannot rotate, so that the elevating body 103 is moved up and down together with the female screw cylinder 105. As a result, the lower roller group 117 is moved up and down. If the locking pin 104 is engaged and disengaged from the female screw cylinder 105 when the screw rod 102 is rotated, the female screw cylinder 105 can freely rotate, so that the female screw cylinder 105 is rotated together with the screw rod 105. As a result, the lower roller group 117 is
It can be horizontally swung around 2.

Referring to FIG. 3, when the upper roller group 87 is fitted in the upper guide rail 41, the large-diameter roller 88 rolls in a state of being sandwiched between both side surfaces of the internal expansion groove 42, and the internal expansion is performed. The small diameter roller 89 rolls while being sandwiched between both edges of the bottom surface of the groove 42 and the inner surface of the lip opposite thereto.

Next, the cleaning procedure will be described. Upper front wall
When cleaning 13 and lower front wall 14, usually the upper front wall
Clean 13 first.

When the upper front wall surface 13 is cleaned, the trolley 54 is positioned near the base of the arm 53, and the left and right upper roller groups 87 and lower roller groups 117 of the cleaning unit 25 suspended from the trolley 54 are adjacent to each other. It is fitted into two upper guide rails 41. In this case, as shown by the solid line in FIG. 4, the upper and lower roller groups 87 and 117 are oriented rearward. In this state, the upper front wall surface 13 is cleaned while the cleaning unit 25 is sequentially lowered while rewinding the rope 56.

By the time the cleaning unit 25 is lowered to the vicinity of the inner roof 12, the main carriage 34 is moved to the vertical rail 31 for traveling the main carriage.
The child carriage 36 is made to stand by at the rear end, and the child carriage 36 is made to stand by at the rear end of the child carriage running rail 35.

When the cleaning unit 25 that has been lowered is placed on the grandchild truck 38, the rewinding of the rope 56 is stopped and the parent truck 34 is moved forward. Then, the upper notch 43 is placed in the upper roller group.
When the lower roller group 117 passes through the lower notch 44, the upper roller group 87 and the lower roller group 117 are disengaged from the upper guide roller 41, and the cleaning unit 25 can move horizontally. The trolley 54 is also moved in accordance with the movement of the parent carriage 34. During this time, the child carriage 36 is still stopped, but if there is an obstacle (not shown) that hinders the movement of the cleaning unit 25, the grandchild carriage 38 is moved to avoid the obstacle.

When the parent carriage 34 reaches the forward limit of the vertical rail 31 for traveling the parent carriage, the movement of the parent carriage 34 is stopped. In this way, the child cart 36 is moved forward this time. As shown in FIG. 2, the lower roller group 117 is formed in the inner enlarged groove 46 of the lower guide rail 45.
When it reaches just above the upper end opening, the movement of the child carriage 36 is stopped. When the lower roller group 117 and the lower guide rail 45 are displaced in the left-right direction, the movable frame 63 is moved to align them. When the lower roller group 117 is positioned right above the lower guide rail 45, the lower roller group 117 is lowered and inserted into the lower guide rail 45. Then, the cleaning unit 25
There is no need to worry about shifting in any direction. Next, the rope 56 is wound up and the cleaning unit 25 is slightly lifted from the lower guide rail 45 to such an extent that the lower roller group 117 does not come out. During this time, the parent carriage 34 is retracted to move from below the cleaning unit 25 to the carriages 34, 36, Evict 38. And
The rope 56 is rewound and the cleaning unit 25 is lowered. As soon as the cleaning unit 25 starts descending, the upper roller group 87
Is also inserted into the lower guide rail 45, and then the cleaning unit 25 is continuously and sequentially lowered to clean the lower front wall surface 14.

When the cleaning unit 25 reaches the lower end of the lower guide rail 45 and the cleaning of the lower front wall surface 14 is completed, this time, the cleaning unit 25 is moved along the lower guide rail 45 by the procedure reverse to the above procedure. From the upper end of the lower guide rail 45, the carriages 34, 36, and 38 are transferred from the upper end of the lower guide rail 45 to the lower end of the upper guide rail 41, and then lifted along the upper guide rail 41. When the cleaning unit 25 rises to the upper end of the upper guide rail 41, the cleaning unit 25 is lifted until the upper and lower roller groups 87 and 117 are completely removed from the upper guide rail 41, and in this state, the crane 24 is moved to move to the next upper position. Move the cleaning unit 25 to the top of the guide rail 41 and place it on the upper guide rail 41.
The upper and lower rail groups 87 and 117 are inserted from the upper end opening thereof.
Then, the upper front wall surface 13 and then the lower front wall surface 14 may be cleaned by the same procedure as described above.

In order to clean the part of the left wall 15 that is tied to the left edge of the roof 11, the crane 24 is moved to a position above the turntable 23 for changing the direction of the crane and rotated by 90 degrees to transfer the crane 24 to the crane. Transfer from horizontal rail 21 for crane to vertical rail 22 for crane transfer. In this case, as shown by the chain line in FIG. 4, the upper and lower roller groups are arranged such that the left upper and lower roller groups 87 and 117 face left and the right and lower roller groups 87 and 117 are located leftward.
Should be facing right.

When cleaning the left edge of the inner wall 12 of the inner roof 12, the cleaning unit 25 is lowered along one of the upper guide rails 41, and the carriage is kept waiting there.
The cleaning unit 25 is loaded on 34, 36, and 38. By moving the parent carriage 34 onto the turntable 33 for changing the direction of the carriage and rotating it by 90 degrees, the parent carriage 34 is transferred from the vertical rail 31 for transferring the parent carriage to the horizontal rail 32 for transferring the parent carriage. At the same time, the suspension bar 55 is rotated by 90 degrees to align the rope 56 with the cleaning unit 25. While moving the crane 24, the parent carriage 34 is moved along the parent carriage transfer horizontal rail 32, and when the parent carriage 34 reaches the left limit of the parent carriage transfer horizontal rail 32, the left wall surface 15 is cleaned by the above procedure. It will be possible.

[0045]

According to the first aspect of the present invention, the upper wall surface is cleaned while the cleaning unit is moved up and down along the upper rail, and the lower wall surface is cleaned while the cleaning unit is moved up and down along the lower rail. Since the cleaning unit is cleaned and the cleaning unit is transferred between the upper rail and the lower rail by a dolly, even in a building where the floor from the middle floor to the upper floor is narrowed, there is no problem even if the wall surface is not flat but has a step Can be cleaned.

According to the second aspect of the present invention, the cleaning unit is attached to and detached from the upper rail through the notch, and the cleaning unit is attached and detached to the lower rail through the upper end of the guide groove of the lower rail. Can be reliably performed.

According to the third aspect of the invention, since the cleaning unit is attached to and detached from the lower rail by raising and lowering the cleaning unit, the positioning and attaching and detaching operation of the cleaning unit with respect to the lower rail are simple.

[Brief description of drawings]

FIG. 1 is a perspective view of a wall surface cleaning device according to the present invention.

FIG. 2 is a side view of the same wall surface cleaning device.

FIG. 3 is a perspective view of rails and rollers of the same wall surface cleaning device.

FIG. 4 is a partial plan view of a cleaning unit of the wall surface cleaning device.

5 is a view taken along the line VV of FIG.

6 is a view taken along the line VI-VI in FIG.

[Explanation of symbols]

 11 Roof 12 Middle roof 13 Upper front wall 14 Lower front wall 25 Cleaning unit 34 Parent trolley 36 Child trolley 39 Cleaning unit mount 41 Upper guide rail 42 Guide groove 43 Upper notch 44 Lower notch 45 Lower guide rail 46 Guide groove 53 Arm 54 Trolley 58 Hoisting machine

Claims (3)

[Claims] 1. A roof 11 and a middle roof 12 are provided in a staircase shape,
In a building in which the upper wall surface 13 is hung on the rear edge of the middle roof 12 and the lower wall surface 14 is hung on the front edge of the middle roof 12, on the roof 11,
An arm 53 is provided so as to extend over the inner roof 12, a trolley 54 is provided on the arm 53 so as to be movable in the arm length direction, and the cleaning unit 25 is hung from the trolley 54 by a hoist 58. A vertical upper rail 41 for guiding the cleaning unit up and down is provided on the upper wall surface 13, and a vertical lower rail 45 for cleaning unit up and down guide is provided on the lower wall surface 14, respectively, and a cleaning unit transfer cart is provided on the inner roof 12. A wall surface cleaning device in which 34 is provided between the lower end of the upper rail 41 and the upper end of the lower rail 45 so as to travel in the front-rear direction. 2. The upper rail 41 and the lower rail 45 are respectively provided with front opening inside enlarged guide grooves 42 and 46 extending in the lengthwise direction thereof, and the cleaning unit 25 has guide groove lengths extending inside the guide grooves 42 and 46. Rollers 87, 117 that can roll in the vertical direction but cannot pass through the openings of the guide grooves 42, 46 in the front-rear direction are provided, and the rollers are provided with the cleaning unit 25 placed on the carriage 34 located at the backward limit. Notches 43 and 44 that allow the passage of 87 and 117 are provided at the opening edge of the guide groove 42 of the upper rail 41, and
The wall surface cleaning device according to claim 1, wherein the upper end of the guide groove 46 of the 45 is open. 3. An auxiliary carriage 36 having a cleaning unit mounting portion 39 is provided on the carriage 34 so as to be movable relative to the carriage 34 in the same direction as the carriage movement direction, and the carriage 34 and the auxiliary carriage. The rollers 87, 36 are located in the forward limit and the cleaning unit 25 is placed on the auxiliary cart 36.
The wall cleaning device according to claim 2, wherein the 117 is positioned directly above the upper end of the guide 46 of the lower rail 45.