JP6467097B1 - Monorail gondola - Google Patents

Abstract

A monorail that can be safely and quickly installed in a building without having to get out of the parapet, and can be easily applied to a building having a different width of the parapet relative to the outer wall. Provide a gondola. A monorail gondola 1 has a plurality of support arms 2 installed at predetermined intervals on a parapet B2 of a building B, a rail 3 installed on the support arm and extending along the parapet, and can travel on the rail. And a gondola body 5 suspended from the traveling device via a rope 6 so as to be lifted and lowered. The support arm has a fixed arm member 20a, a movable arm member 20b assembled to the fixed arm member so as to be slidable in the length direction, and a rail mounting pin 20c provided at the tip of the movable arm member. . The movable arm member is slid between the rail mounting position where the rail mounting pin is pulled above the parapet as viewed from the side and the two rail mounting positions where the rail mounting pin protrudes outward from the parapet by a predetermined distance. And fixed to the fixed arm member by the fixing pin 8 at each rail installation position. [Selection] Figure 3

Description

  The present invention relates to a monorail gondola used for construction, repair, cleaning and the like of an outer wall of a building.

  As a gondola used for construction, repair, cleaning, etc. of the outer wall of a building, a plurality of building parapets are installed at predetermined intervals in the length direction, and the tips extend from the parapet to the outside of the building Support arm (protrusion), a rail installed on the tip of a plurality of support arms and extending along the parapet, a travel device assembled to be able to travel on the rail, and a travel device via a rope There is known a monorail type gondola including a gondola body that is suspended up and down (see, for example, Patent Document 1 below).

Japanese Utility Model Publication No. 62-105258

However, in the case of the above-described conventional monorail gondola, it is necessary to attach a rail to the tip with the tip of the support arm protruding from the parapet to the outside of the building, and to attach a traveling device to the rail. For this reason, the worker has to work out of the parapet and has a problem in terms of safety and workability.
In addition, in the conventional monorail gondola, it is necessary to prepare a support arm of a length corresponding to each building with different widths of the parapet against the outer wall, which has a problem in terms of cost and burden of parts management. .

  The present invention has been made in view of the above-described problems, and it is possible to safely and quickly perform installation work such as rails in a building without getting out of the parapet, and the parapet can be removed from the outer wall. The object is to provide a monorail gondola that can be easily applied to buildings of different widths.

  In order to achieve the above object, the present invention comprises the following aspects.

1) A plurality of support arms installed at predetermined intervals along the length of the parapet in the building or at the inside of the building, and extended at the front ends of the plurality of support arms so that the front ends protrude outward. Monorail type gondola comprising a rail that extends along the parapet, a traveling device that is assembled to the rail so as to be able to travel, and a gondola body that is suspended from the traveling device via a rope so as to be movable up and down Because
The support arm includes a fixed arm member, a movable arm member that is slidably assembled to the fixed arm member along a length direction thereof, and a rail mounting member that is provided at a distal end portion of the movable arm member. And
The movable arm member protrudes outward from the building by a predetermined distance from the parapet when viewed from the side, and the rail mounting position where the rail mounting member is pulled in or above the parapet when viewed from the side. A monorail gondola that is slid between at least one rail installation position and is fixed to a fixed arm member by fixing means that can be fixedly released at the rail installation position.

2) A rail is composed of a plurality of rail members that are connected in series by being laid on a rail mounting member of an adjacent support arm, and both ends of each rail member rotate about a vertical axis with respect to the rail mounting member The monorail gondola according to 1), which is freely connected.

3) A bracket having a vertical pin insertion hole is attached to the side surface closer to the building at both ends of the rail member, and the brackets provided at the ends of the adjacent rail members are vertically It is provided to be shifted in the vertical direction so that the pin insertion holes are overlapped,
2) The monorail gondola according to 2) above, wherein the rail mounting member includes a rail mounting pin extending upward from the tip of the movable arm member and having a retaining portion at the upper end so that the rail mounting member can be inserted into the pin insertion hole.

4) The monorail gondola of 3) above, wherein the pin insertion hole of at least one of the brackets provided at both ends of the rail member is a long hole extending along the length direction of the rail member.

5) The rail mounting pin has a pin body and a folding pin that is connected to the upper end portion of the pin body so as to be bent in the horizontal direction and constitutes the retaining portion,
At the upper end of the pin body, a vertical plate-like thin part having a long hole extending in the vertical direction is provided,
The folding pin is formed with a slit portion that is cut upward from the lower end surface and into which a thin portion can be fitted,
The folding pin and the pin main body are connected so as to be relatively rotatable by a horizontal connecting pin inserted through the long hole and the slit portion,
The monorail gondola according to 3) or 4) above, wherein a fitting portion that can be fitted from above and below is formed at the lower end portion of the folding pin and the base portion of the thin portion of the pin body.

6) The fixed arm member has a groove-shaped cross section that opens upward, and includes a slide guide portion into which the movable arm member is slidably fitted in the length direction. The rail mounting pin is a slide guide portion. The monorail gondola according to any one of 3) to 5), which extends upward through the upper opening.

7) Life in which the traveling device is arranged between the driving trolley and the driven trolley to which one end of the rope for suspending the gondola body is connected, and the one end of the lifeline is connected between the driving trolley and the driven trolley Line trolley, and two connecting bars for connecting the driving trolley, the driven trolley, and the lifeline trolley, respectively. Both ends of the two connecting bars are connected to the driving trolley, the driven trolley, or the lifeline trolley, The monorail gondola according to any one of 1) to 6), wherein the monorail gondola is pivotally connected around the center.

8) The support arm further includes a net suspension arm member that is attached to the movable arm member so that the distal end portion protrudes outward from the rail attachment member by a predetermined distance and the curing net is suspended from the distal end portion. The monorail gondola according to any one of 1) to 7).

According to the monorail gondola of 1), the operator mounts the body from the parapet like the monorail gondola described in the above-mentioned Patent Document 1 for attaching the rail to the rail mounting member and assembling the traveling device to the rail. In addition, it can be performed safely in the building, and there is no risk of dropping parts or tools during work, and workability is improved.
Further, according to the monorail type gondola of 1), by changing the sliding position of the movable arm member with respect to the fixed arm member, it can be easily applied to a building having a different width of the parapet against the outer wall. Unlike the monorail gondola described in Document 1, it is not necessary to prepare a support arm having a corresponding length for each building having a different width of the parapet against the outer wall, thereby reducing the burden of cost, parts management, and the like.

  According to the monorail gondola of 2), when installing the rail, for example, with the movable arm members of all the support arms pulled to the rail mounting position, both ends of each rail member are used as the required rail mounting members. After the connection, the movable arm member may be pushed out to the rail mounting position in order by one span (one rail member) at a time, so that one person can easily install the rail.

  According to the monorail gondola of 3), the rail member can be easily connected by simply inserting the rail mounting pin of the support arm into the pin insertion hole of the bracket provided at both ends of the rail member. it can.

  According to the monorail gondola of 4), the rail members can be connected in a straight line, and can be connected in a bent shape with an angle corresponding to the length of the long hole constituting the pin insertion hole of the bracket. Therefore, for example, it can be installed without hindrance in a building whose outer wall has a curved shape.

  According to the monorail gondola of 5), when the rail mounting pin is inserted into the pin insertion hole of the bracket provided at both ends of the rail member, the folding pin and the fitting portion of the pin body are fitted together. Because the folding pin is held in a self-supporting state, there is no need to manually insert the folding pin so that it does not fall down naturally. Will improve.

  According to the monorail gondola of 6), even when the fixed arm member is installed so that the tip of the fixed arm member protrudes from the parapet to the outside of the building, the rail mounting pin can be pulled into the building without any trouble. Safety at the time of installation work of a rail etc. can be secured, without impairing support strength of a rail etc. by an arm.

According to the monorail gondola of 7), both ends of each rail member are connected to the required rail mounting member in a state where the movable arm member of each support arm is pulled to the rail mounting position, and the traveling device is connected to the rail member. After installing the rail, the movable arm member is pushed out to the rail mounting position in order of one span (one rail member) at a time, so that the installation of the rail and the traveling device is completed. It can be carried out.
Further, according to the monorail gondola of 7), even when the rail members are connected in a bent shape with a predetermined angle according to the outer wall of the building, the traveling device can travel without trouble. it can.
Furthermore, according to the monorail gondola of 7), since the lifeline trolley is interlocked with the drive trolley and the driven trolley, it is not necessary to replace the lifeline.

  According to the monorail gondola of 8), the installation work of the net suspension arm member can be performed safely in the building without the operator getting out of the body from the parapet, and parts and tools are dropped during the work. There is no danger of causing it, and workability is also improved.

1 is a front view of a monorail gondola according to an embodiment of the present invention. It is a top view of a monorail type gondola. It is a right view of a monorail type gondola. It is a right view which expands and shows a part of FIG. FIG. 5 is a vertical sectional view taken along line VV in FIG. 4. It is a right view which expands and shows the other part of FIG. The rail member of a monorail type gondola is shown, Comprising: (a) is a top view, (b) is a rear view, (c) is sectional drawing which follows the cc line of (b), (d) is (b) It is sectional drawing which follows the dd line | wire of (). FIG. 4 shows a modification of the rail member, in which (a) is a plan view, (b) is a rear view, (c) is a sectional view taken along line cc of (b), and (d) is (b). It is sectional drawing which follows the dd line | wire. The connection structure of rail members and the attachment structure of the rail member to a support arm are shown, Comprising: (a) is a top view, (b) is a rear view. It is the vertical sectional view which shows the connection method of rail members, and the attachment method of the rail member to a support arm in order of a process. It is a perspective view which shows the rail attachment pin of a monorail type gondola. It is a top view which shows the installation method of the rail and traveling device in case the outer wall of a building is a plane in order of a process. It is a top view which shows the installation method of the rail in case the outer wall of a building is a curved surface, and a traveling apparatus in order of a process. The traveling device of a monorail type gondola is shown, Comprising: (a) is a top view, (b) is a front view. It is a top view which shows the traveling apparatus of the state bent. It is a side view which shows the method of attaching a rail member to a support arm, and assembling a traveling apparatus to a rail member in order of a process. It is a front view which decomposes | disassembles and shows the gondola main body of a monorail type gondola into several units. It is a front view which shows the gondola main body of the some aspect which changed the combination of the unit. It is a side view which shows the monorail type gondola at the time of installing in the building from which the protrusion width of the parapet with respect to an outer wall differs. It is a side view which shows the monorail type gondola of the state which attached the net attachment arm member to the support arm, and suspended the curing net. FIG. 10 is a side view showing a plurality of states in which the movable arm member has different slide positions, showing another aspect of the support arm.

Embodiments of the present invention will be described below with reference to FIGS.
In the following description, the lower part of FIG. 2 is referred to as “front”, the upper part of FIG. 2 is referred to as “rear”, and the left and right of FIG.

  As shown in FIGS. 1 to 3, the monorail gondola (1) according to the present invention is installed at predetermined intervals in the left-right direction (length direction) on the parapet (B2) of the roof (B1) of the building (B). In addition, a plurality of support arms (2) extending in the front-rear direction so that the tip ends protrude from the parapet (B2) to the front (outside) of the building (B), and are erected on the tip ends of the plurality of support arms (2). The rail (3) extending in the left-right direction along the parapet (B2), the traveling device (4) assembled to be able to travel on the rail (3), and the rope (6) to the traveling device (4) And a gondola main body (5) that is suspended up and down through.

Each support arm (2) includes a fixed arm member (20a) extending in the front-rear direction so as to be orthogonal to the parapet (B2), and a movable arm member (slidably assembled to the fixed arm member (20a) in the length direction ( 20b) and a rail mounting pin (rail mounting member) (20c) provided at the front end (tip) of the movable arm member (20b).
The movable arm member (20b) has a rail mounting position (position indicated by a two-dot chain line in FIG. 3) in which the rail mounting pin (20c) is drawn above or inside the parapet (B2) when viewed from the side surface; Two rail installation positions where the rail mounting pin (20c) protrudes from the parapet (B2) to the front (outside) of the building (B) from the parapet (B2) when viewed from the side (one is indicated by the solid line in FIG. 3) ) And is fixed to the fixed arm member (20a) by two fixing pins (fixing means) (8) at each rail installation position.

  The rail (3) is composed of a plurality of rail members (30) that are installed on rail mounting pins (20c) of adjacent support arms (2) and connected in series. Both end portions of each rail member (30) are connected to a rail mounting pin (20c) so as to be rotatable about a vertical axis of the pin (20c).

  The travel device (4) is arranged between the right drive trolley (40a), the left driven trolley (40b), the drive trolley (40a) and the driven trolley (40b), and one end of the lifeline (9). Are connected to the lifeline trolley (40c), and the driving trolley (40a), the driven trolley (40b), and the two left and right connecting bars (40d) for connecting the lifeline trolley (40c). Connected to the driving trolley (40a) and the driven trolley (40b) are the tips of wire ropes (6) fed out from the left and right winches (7) installed on the deck plate (51). Both ends of the two connecting bars (40d) are connected to the drive trolley (40a), the driven trolley (40b), or the lifeline trolley (40c) so as to be rotatable about the vertical axis.

  The gondola body (5) is of a deck type having long deck plates (51) on the left and right. A winch (7) having a reel (71) wound with a wire rope (6) and a lifting motor (72) for raising and lowering the wire rope (6) are fixedly installed on the left and right sides of the deck board (51). ing. The tip of the wire rope (6) fed out from the reel (71) of the right and left winches (7) is connected to the drive trolley (40a) and the driven trolley (40b), respectively, and the lifting motor (72) The deck (50) can be moved up and down by driving operation.

Next, each component of the monorail gondola (1) will be described in more detail. First, as shown in FIGS. 4 and 5, the fixed arm member (20a) of the support arm (2) is attached to the parapet (B2). A clamp part (21) to be fastened and fixed, and a slide guide part (22) having a groove-shaped cross section opened upward and into which the movable arm member (20b) is slidably fitted in the length direction. I have. The rail mounting pin (20c) extends upward through the upper opening of the slide guide portion (22).
The clamp part (21) is slidable in the front-rear direction to the main frame (211) extending in the front-rear direction, the fixed jaw (212) extending downward from the front end of the main frame (211), and the rear part of the main frame (211). And an assembled movable jaw (213). The main frame (211) is made of a square tube material such as a square steel pipe. A plurality of pin insertion holes (211a) are formed at predetermined intervals in the length direction at the rear portions of the left and right side surfaces of the main frame (211). A horizontal U-shaped ring (211b) is attached to the rear end of the main frame (211), and one end of a wire rope (10) for preventing the support arm (2) from falling on the ring (211b). The part is to be fastened. At the lower end of the fixed jaw (212), there is provided a rod-like contact portion (212a) that extends in the left-right direction and is pressed against the front side surface of the parapet (B2) when tightened. The movable jaw (213) has a hollow cylindrical insertion portion (213a) that can be slidably inserted into the main frame (211) at the upper end portion thereof, and penetrates the lower end portion in the front-rear direction. The male screw for fastening (214) is screwed into the screw hole (213b). A handle (214a) is provided at the rear end of the tightening male screw (214). A disc-shaped contact portion (214b) that is pressed against the rear side surface of the parapet (B2) at the time of tightening is provided at the front end portion of the tightening male screw (214). A pin insertion hole (213b) is formed in the left and right side walls of the insertion portion (213a) of the movable jaw (213) at a height position matching the pin insertion hole (211a) of the main frame (211). Then, the movable jaw (213) is slid so that the pin insertion hole (213b) and the required pin insertion hole (211a) of the main frame (211) match, and these pin insertion holes (213b) ( The movable jaw (213) is fixed to the main frame (211) by inserting the fixing pin (11) through 211a). Therefore, by adjusting the slide position of the movable jaw (213), the distance between the fixed jaw (212) and the movable jaw (213) can be changed and adjusted, and clamped to various parapets (B2) with different front and rear widths. It is possible to fasten and fix the part (21).
A slide guide member (220) having a substantially U-shaped cross section that opens upward is fitted on the front end side portion of the main frame (211) and joined and integrated by welding or the like. The front end portion of the bottom wall of the slide guide member (220) is notched for passing the fixed jaw (212). The left and right side walls of the slide guide member (220) have a height that protrudes upward by a predetermined distance from the upper surface of the main frame (211). The upper edge portions of the left and right side walls of the slide guide member (220) are bent inward so as to face each other. On the upper surface of the front end side portion of the main frame (211) surrounded by the slide guide member (220), a sliding plate (23) made of a material having low frictional resistance such as monomer cast nylon is disposed and fixed. The slide guide portion (22) is configured by the slide plate (23) and the upper part of the left and right side walls of the slide guide member (220) above the slide plate (23). Side projections (221) for suspending a curing stage (not shown) and the like are provided at the front ends of the left and right side walls of the slide guide member (220). Pin insertion holes (222) are formed at both front and rear end portions of the upper part of the left and right side walls of the slide guide member (220).

The movable arm member (20b) of the support arm (2) is formed by joining a plate material (242) such as a stainless steel plate to the left and right side wall outer surfaces of a square tube material (241) such as a square steel pipe by welding or the like. It has a length of about twice the length of the guide portion (22). However, the length of the movable arm member (20b) can be changed as appropriate. In the left and right side walls of the movable arm member (20b), a total of three pin insertion holes (243 at the same height as the pin insertion holes (222) of the slide guide member (220) at the front and rear end portions and the central portion of the length thereof are provided. ) Are formed at the same pitch as the pin insertion holes (222) of the slide guide member (220). As shown in FIG. 5, the movable arm member (20b) accommodated in the slide guide portion (22) is slidably mounted on the upper surface of the sliding plate (23) with the bottom wall of the square tube member (241), The upper edge of the plate member (242) is arranged with a slight gap below the bent upper edge of the left and right side walls of the slide guide member (220), and the upper part of the square tube member (241) is the slide guide portion (22). It arrange | positions so that a part may protrude upwards to upper opening of. Brackets (244) and (245) for attaching a net attachment arm member (20d) to be described later are provided at the center and rear end of the upper surface of the movable arm member (20b). A handle (246) for sliding operation is attached to a position between the two brackets (244) and (245) on the upper surface of the movable arm member (20b). Further, a bush (246) is inserted into the movable arm member (20b) so as to straddle the corresponding pin insertion holes (243) on the left and right side walls and joined by welding or the like (see FIG. 5).
The movable arm member (20b) is fixed to the slide guide portion (22) of the fixed arm member (20a) by two (or one) fixing pins (8) at each of the two rail installation positions. In FIG. 4, the movable arm member (20b) is in the first rail installation position where the rail mounting pin (20c) protrudes most forward from the parapet (B2). At this position, the central portion of the movable arm member (20b) is located. And the pin insertion hole (243) at the rear end is matched with the two front and rear pin insertion holes (222) of the slide guide member (220), and the fixing pin (8) is inserted into these pin insertion holes (243) and (222). Is inserted. As shown in FIG. 5, the fixing pin (8) is connected to the horizontal pin body (81) and the tip of the pin body (81) so that it can be bent in a direction perpendicular to the length direction of the pin body (81). And a folding pin (82) constituting the retaining portion (8a). A wire attachment ring (83) is attached to the base end of the pin body (81). One end of the fall prevention wire (12) is connected to the ring (83), and the other end of the wire (12) is connected to, for example, an eye nut (213c) attached to the movable jaw (213). This prevents the fixing pin (8) from being accidentally dropped from the parapet (B2) during insertion and removal.
Although it is possible to use bolts and nuts as fixing means for the movable arm member (20b), it is not necessary to use a tool, is excellent in workability, and does not easily cause a drop problem. It is more preferable to use (8).
As shown by a two-dot chain line in FIG. 4, the movable arm member (20b) is structured so that the rail mounting pin (20c) is positioned above the parapet (B2) when viewed from the side at the rail mounting position. It is drawn into the rooftop (B1). At this position, the pin insertion hole (243) at the front end of the movable arm member (20b) is aligned with the pin insertion hole (222) at the rear end of the slide guide member (220), and these pin insertion holes By inserting the fixing pin (8) into (243) and (222), the rail mounting pin (20c) is fixed so as not to move carelessly when the rail (3) is mounted. The position of the rail mounting pin (20c) when mounting the rail (3) may be further rearward (inside the roof (B1) of the building (B)) than the position of the two-dot chain line in FIG. In this case, it is not always necessary to use the fixing pin (8). In addition, for example, by making the slide guide portion (22) extend longer toward the rear, the movable arm member (20b) can be largely pulled back, and even at that position, the movable arm member (20b) A stable state can be maintained. The movable arm member (20b) can be extracted from the rear end of the slide guide portion (22).

As shown in detail in FIGS. 10 and 11, the rail mounting pin (20 c) includes a pin body (25) that stands vertically at the tip of the upper surface of the movable arm member (20 b), and a pin body (25). And a folding pin (26) which is connected to the upper end portion so as to be bent in the horizontal direction and constitutes the retaining portion (260).
Regarding the fixing structure of the pin body (25) to the movable arm member (20b), circular through holes are formed in the movable arm member (20b) at the distal end portions of the upper and lower walls of the rectangular tube member (241), and these A cylindrical mounting base (27) is fitted into the through hole and joined to the upper and lower walls by welding or the like, and a screw hole (271) is formed in the upper surface of the mounting base (27). The pin body (25) is formed with a male screw part (251) at the lower end thereof, and a fastening ring (281) is fitted over the male screw part (251) and welded. . Then, the pin main body (25) is screwed into the screw hole (261) of the mounting base (26) through the washer (282) with the male screw portion (251), thereby being attached to the distal end portion of the movable arm member (20b). It is fixed so as to protrude upward.
A vertical plate-like thin portion (252) having a long hole (252a) extending in the vertical direction is provided at the upper end portion of the pin body (25). The folding pin (26) is formed with a slit portion (261) that is cut upward from the lower end surface and into which the thin portion (252) can be fitted. The folding pin (26) and the pin body (25) are connected to each other by a horizontal connecting pin (29) inserted through the long hole (252a) and the slit portion (261) so as to be relatively rotatable. And the fitting convex part (fitting part) (262) which protruded below from the both sides across the slit part (261) is formed in the lower end surface of the folding pin (26), and the pin body (25 ) Is formed with a fitting concave portion (fitting portion) (253) that can be fitted to the fitting convex portion (262) from above and below.

As shown in detail in FIGS. 6 to 8 and the like, each rail member (30) constituting the rail (3) has a substantially C-shaped cross section opened forward, and the pitch of the support arm (2) It consists of metal materials, such as steel materials, which have substantially the same length.
A bracket (31) having a vertical pin insertion hole (31a) is attached to the rear side surface closer to the building (B) at the left and right ends of the rail member (30). The left and right brackets (31) are provided so as to be shifted in the vertical direction so that the ones provided at the ends of the adjacent rail members (30) overlap each other and the pin insertion holes (31a) are aligned. ing.
The bracket (31) consists of two upper and lower horizontal base plates (311), a vertical connecting pin (312) that is passed through one end of both base plates (311), and both base plates ( 311) is provided with a vertical boss (313) secured in a penetrating manner between the other end portions, and the pin insertion hole (31a) is formed by the central hole of the boss (313). Then, one side edge of both base plates (311) is joined to the rear side surface of the rail member (30) by welding or the like.
At both ends of the rail member (30), L-shaped receiving members (32) for receiving the end portions of the adjacent rail members (30) are fixed to the upper surface or the lower surface portion close to the bracket (31) by welding or the like. ing.
In addition, at the end of the rail member (30) located at the end of the rail (3), there are two upper and lower brackets (31) at positions slightly closer to the center of the length, and these pin insertion holes (31a) The rail mounting pins (20c) of the support arm (2) located at the end are inserted into these pin insertion holes (31a) (see FIG. 1). Further, a stopper (33) for preventing the traveling device (4) from coming off the rail (3) is attached to the end of the rail member (30). However, the structure of the end of the rail (3) is not limited to the above. For example, the end of the required length in which the bracket is attached to the upper part or the lower part of one end of the rear surface and the stopper is attached to the other end. A partial rail member may be used.
Further, regarding the bracket (31), when the outer wall (B3) of the building (B) is a flat surface and the rail members (30) are connected in a straight line along the parapet (B2), it is shown in FIG. In this manner, the pin insertion holes (31a) of the bracket (31) provided at both ends of the rail member (30) may be circular holes.
On the other hand, for example, when the outer wall (B3) of the building (B) has a curved shape when viewed from the plane, and the rail members (30) need to be bent and connected at a certain angle, FIG. As shown in FIG. 3, the pin insertion hole (31a) of the bracket (31) provided at one end of the rail member (30) is a circular hole, and the pin insertion hole of the bracket (31) provided at the other end is (31b) is a long hole extending along the length direction of the rail member (30), or the pin insertion hole (31b) of both brackets (31) is a long hole.
The end of each rail member (30) is received by the tip of the upper surface of the movable arm member (20b) via the receiving metal fitting (32) (see FIGS. 4 and 6). That is, the entire load including the rail (3), the traveling device (4), the gondola body (5), and the operator riding on the rail is received by the support arm (2).

The driving trolley (40a), driven trolley (40b), and lifeline trolley (40c) of the traveling device (4) are centered on the horizontal axis of the trolley base (401) and the trolley base (401) that are substantially vertical plates, respectively. A pair of left and right traveling rollers (402) that are rotatably mounted on the trolley base (401) so that the trolley base (401) can be rotated around a vertical axis so that the upper and lower traveling rollers (402) are arranged one above the other. Two sets of left and right guide rollers (403) are provided.
A travel motor (404) is attached to the trolley base (401) of the drive trolley (40a) as drive means. Electric power is supplied to the travel motor (404) via a power supply cable (406) suspended from a pulley (405) capable of traveling on the rail (3).
The lower part of the trolley base (401) of the driving trolley (40a) and the driven trolley (40b) is provided with a connecting bracket such as a shackle for bending the rearward substantially at a right angle and connecting the tip of the wire rope (6). A hanging part (407) is provided. A suspending portion (408) having a connection fitting such as a shackle for connecting the tip end portion of the lifeline (9) is provided below the trolley base (401) of the lifeline trolley (40c).
The trolleys (40a) (40b) (40c) can be mounted on the top of the trolley base (401) of each trolley (40a) (40b) (40c) by hand. A handle (409) for holding is provided.
Each connecting bar (40d) is made of a square tube material such as a steel material, and bosses (410) having vertical pin insertion holes are joined to both ends thereof. Also, the boss (410) of each connecting bar (40d) is interposed at the end of each trolley (40a) (40b) (40c) on the side connected to the connecting bar (40d) on the front surface of the trolley base (401). A pair of upper and lower horizontal plate-like brackets (411) are provided, and pin insertion holes that match the pin insertion holes of the boss (410) are formed in both brackets (411). Then, by inserting the connecting pin (412) into these pin insertion holes, the trolley base (401) of each trolley (40a) (40b) (40c) and the end of the connecting bar (40d) rotate. It is connected freely.
A control panel (413) for controlling the traveling device (4) is attached to the right connection bar (40d).

The gondola body (5) includes a deck plate (work floor) (51), a plurality of support posts (52) that are spaced at the periphery including the four corners of the deck plate (51), and adjacent support posts ( 52) are provided with a plurality of handrails (53) horizontally installed between upper end portions thereof, and a plurality of lower side frames (54) provided between lower portions of adjacent columns (52).
A caster (55) is attached to the lower end of each column (52) so as to protrude below the deck plate (51).
The reels (71) of the left and right winches (7) are attached to the left and right portions of the bottom surface of the deck plate (51) so as to be rotatable about a vertical axis.
The wire rope (6) fed out from the reel (71) passes through the deck plate (51) from the center of each of the left and right reels (71) and passes through a guide pipe (73) extending upward. On the left and right sides of the top surface of the deck board (51), an elevating motor (72) for raising and lowering (feeding and rewinding) the wire rope (6) is installed adjacent to the guide pipe (73). Yes.
The handrail (53) and lower side frame (54) on the front side of the gondola body (5) are equipped with a traveling operation panel (56) for performing horizontal movement operation by the traveling device (4) and a winch (7). An elevating operation panel (57) for performing a vertical movement operation is provided. The lifting operation panel (57) is connected to the tip of a power feeding cable (13) extending downward from the lifeline trolley (40c). One end of a lolip (not shown) is attached to the lifeline (9) suspended from the lifeline trolley (40c), and the other end of the lolip is attached to an operator's belt or the like. ing.

As shown in FIG. 17, the gondola body (5) is constituted by assembling a plurality of units. Specifically, the illustrated gondola body (5) is adjacent to two left and right long deck board units (50A), one central short deck board unit (50B), and two right and left end units (50C). It consists of an intermediate connection unit (50D) interposed between the deck plate units (50A) and (50B), and two right and left winch units (50E). The frames of these units (50A), (50B), (50C), (50D), and (50E) are preferably formed from a lightweight metal material such as aluminum. These units (50A), (50B), (50C), (50D), and (50E) are connected to each other by, for example, connecting brackets (521) to the end units (50C) and the struts (52) of the intermediate connection unit (50D). ) And the bracket (521) may be joined to the ends of the deck plate units (50A) (50B) with bolts, nuts, or the like. Although not shown in detail, each long deck board unit (50A) is provided with a structure for attaching the winch unit (50E) on both left and right sides thereof.
According to the unit-type gondola main body (5) as described above, as shown in FIG. 18, by selecting the unit to be combined as appropriate, several types of gondola main bodies (5 ) Can be assembled, so there are plenty of variations and cost-effectiveness. Specifically, for example, in the case of FIG. 18A, a deck is obtained by combining one long deck board unit (50A), two left and right end units (50C), and two right and left winch units (50E). A gondola body (5) is obtained in which the length of the plate (51) and the distance between the suspension positions (suspension core) are minimized. In FIG. 18B, one short deck board unit (50B), one long deck board unit (50A), one intermediate connection unit (50D), two left and right end units (50C), and two left and right By combining the two winch units (50E), the gondola body (5) in which the length of the deck board (51) and the suspension core are the second from the bottom is assembled. In the case of FIG. 18C, two long deck board units (50A), one intermediate connection unit (50D), two left and right end units (50C), and two right and left winch units (50E) are combined. Thus, the gondola body (5) having the deck plate (51) having the third length and the suspension core from the bottom is assembled. 18 (d) is the same as the gondola body (5) shown in FIGS. 1 and 17 in the units (50A), (50B), (50C), (50D) and (50E) used. However, the suspension core is made small by changing the mounting position of the winch unit (50E) to the side closer to the center.

Next, an example of the installation procedure of the monorail gondola (1) will be described.
First, a plurality of support arms (2) are installed at predetermined intervals on the parapet (B2) of the building (B) so as to be orthogonal to the parapet (B2). Specifically, the fixed arm member (20a) of each support arm (2) is fastened and fixed to the parapet (B2) by the clamp portion. Next, the movable arm member (20b) is fitted into the slide guide portion (22) of the fixed arm member (20a) from the rear end, and the rail mounting pin (20c) is positioned above the parapet (B2). Slide until Specifically, for example, as shown in FIG. 16A, the movable arm member (20b) is slid until the rail mounting pin (20c) comes near the rear end position of the slide guide portion (220). In this state, the movable arm member (20b) may not be fixed to the slide guide portion (22) on the fixed pin (8). However, for example, the movable arm member (20b) can be slid to the position shown in FIG. 4 and can be fixed to the slide guide portion (22) by the fixing pin (8). If necessary, one end of the support arm drop prevention wire rope (10) is connected to the horizontal U-shaped ring (211b) of the fixed arm member (20a), and the other end of the wire rope (10) is connected. Is connected to the required location on the roof (B1) of the building (B).
Next, a plurality of required rail members (30) are sequentially installed on the distal end portion of the movable arm member (20b) in the adjacent support arm (2). Specifically, as shown in FIGS. 9 and 10, the rail mounting pin (20c) at the distal end of the movable arm member (20b) is rotated so that the folding pin (26) faces upward, The fitting convex part (262) of the broken pin (26) is fitted into the fitting concave part (253) of the pin body (25), and in this state, the rail member (30) is provided on the bracket (31) at both ends. The rail mounting pins (20c) of the adjacent support arms (2) are sequentially inserted into the pin insertion holes (31a) thus formed. After the rail mounting pin (20c) is inserted into the pin insertion hole (31a) of the bracket (31) at the end of the adjacent rail member (30), as shown in FIG. ) Is pulled upward to remove the fitting convex portion (262) from the fitting concave portion (253) and rotate horizontally so as to form the retaining portion (260).
In addition, when the mounting of the required number of rail members (30) is completed, the traveling device (4) is assembled to the rail members (30). Specifically, the drive trolley (40a), the lifeline trolley (40c), and the driven trolley (40b) are connected to the required positions in the rail member (30) by the travel roller (402) and the guide roller (403). The rail members (30) are sequentially assembled so as to be inserted from one end side. When the assembly is completed, the drive trolley (40a), the driven trolley (40b), and the lifeline trolley (40c) are linked by the connection bar (40d).
When the mounting of all the rail members (30) and the assembly of the traveling device (4) are completed, as shown in FIG. 12, the movable arm member (20b) of the support arm (2) is moved to one span (rail member ( 30) Push forward one by one in order, slide to the rail mounting position, and fix to the slide guide part (22) of the fixed arm member (20a) by the fixing pin (8). Therefore, the worker can easily perform the installation work of the rail (3) and the traveling device (4) by one person without using a special tool. Further, as shown in FIG. 13, the installation work is performed even when the outer wall (B3) of the building (B) has a curved shape when viewed from the plane, as a rail member (30) having at least one end bracket ( By using a pin insertion hole 31) having a long hole (31b) (see FIG. 8), it can be easily performed by one person as well.
After that, connect the tip of the wire rope (6) fed from the reel (71) of the left and right winches (7) installed in the gondola body (5) to the drive trolley (40a) and driven trolley (40b). The gondola body (5) is suspended, and one end of the lifeline (9) is connected to the lifeline trolley (40c).
Thus, the installation of the monorail gondola (1) is completed. On the other hand, when the monorail gondola (1) is disassembled, the disassembly work may be performed in the reverse order.
Therefore, according to the monorail gondola (1) of this embodiment, the work of attaching the rail (3) to the support arm (2), the work of assembling the traveling device (4) to the rail (3), and the dismantling work thereof are performed. , It can be done safely on the roof (B1) of the building (B) without getting out of the body from the parapet (B2), and there is no risk of dropping parts or tools during work. Excellent in terms of sex.

FIG. 19 shows a state where the monorail gondola (1) is used in a building (B) in which the width of the parapet (B2) with respect to the outer wall (B3) is different.
In the case of the building (B) shown in FIG. 19, the protruding width (W1) of the parapet (B2) with respect to the outer wall (B3) is different from the building (B) of FIG. 3 where there is no protruding width of the parapet (B2) with respect to the outer wall (B3). ) Is about several tens of centimeters. Correspondingly, the movable arm member (20b) of each support arm (2) is slid to the second rail installation position where the protruding length from the parapet (B2) is slightly shorter than in the case of FIG. At the same position, it is fixed to the fixed arm member (20a) by the fixing pin (8).
As described above, according to the monorail gondola (1) of this embodiment, the sliding position of the movable arm member (20b) can be applied to the building (B) having a different width of the parapet (B2) with respect to the outer wall (B3). It is possible to install easily by changing.

FIG. 20 shows a mode in which a curing net (14) is attached to the monorail gondola (1). As shown in the figure, the net mounting arm member (20d) is attached to the movable arm member (20b) of each support arm (2), and the tip of the building (B) is a predetermined distance from the rail mounting pin (20c). It is attached to protrude forward (outward).
The net mounting arm member (20d) includes a vertical frame (281) and a horizontal frame (282) connected in a substantially horizontal T-shape in the middle of the height of the vertical frame (281) so that one end side protrudes forward of the building (B). ), The front diagonal frame (283) connecting the upper end of the vertical frame (281) and the front end of the horizontal frame (282), and the upper end of the vertical frame (281) and the rear end of the horizontal frame (282) And a rear oblique frame (284) extending rearward and obliquely downward. A suspending portion (285) for suspending the curing net (14) is provided at the front end of the horizontal frame (282).
The above-mentioned net mounting arm member (20d) has two brackets (244) (245) of the movable arm member (20b) of the support arm (2) at the lower ends of the horizontal frame (282) and the rear oblique frame (284). ), For example, by a fixing pin so that the fixing can be released. The mounting operation of the net mounting arm member (20d) is performed in a state where the movable arm member (20b) is pulled to the rail mounting position.
Therefore, according to the monorail gondola (1) of this embodiment, the installation work of the net suspension arm member (20d) can be performed without the operator getting out of the body from the parapet (B2) (B1). In addition, there is no risk of dropping parts or tools during work, and workability is improved.

FIG. 21 shows a monorail gondola (1) having a different support arm mode.
The support arm (2X) of the monorail gondola (1) shown in the figure has a fixed arm member (20a) fixing structure constituted by a balance arm (21X) instead of the clamp part (21). In other words, the middle part of the length of the fixed arm member (20a) is placed on the upper end of the column (215) that stands on the rear (inward) part of the roof (B1) of the building (B) slightly behind the parapet (B2). In addition, the rear end portion of the fixed arm member (20a) is connected to a balance weight (216) installed behind the column (215) on the roof (B1). The support column (215) is connected to the balance weight (216) by a horizontal connection bar (217).
The other structure of the support arm (2X) is substantially the same as the support arm (2) shown in FIGS.
According to the monorail type gondola (1) of the above aspect, there is an advantage that the work for fixing the support arm (2X) to the building (B) is unnecessary, and the installation work is more efficient.

  The present invention is suitably used as a portable monorail gondola used when performing construction, repair, cleaning, and the like on the outer wall of a building.

(B): Building
(B1): Rooftop
(B2): Parapet
(B3): Exterior wall
(1): Monorail gondola
(2) (2X): Support arm
(20a): Fixed arm member
(20b): Movable arm member
(20c): Rail mounting pin (rail mounting member)
(20d): Net mounting arm member
(22): Slide guide
(25): Pin body
(252): Thin part
(252a): Long hole
(253): Fitting recess (fitting part)
(26): Broken pin
(260): Retaining part
(261): Slit
(262): Fitting convex part (fitting part)
(29): Connecting pin
(3): Rail
(30): Rail member
(31): Bracket
(31a): Pin insertion hole (circular hole)
(31b): Pin insertion hole (long hole)
(4): Traveling device
(40a): Drive trolley
(40b): Followed trolley
(40c): Lifeline trolley
(40d): Connecting bar
(5): Gondola body
(6): Wire rope (rope)
(7): Winch
(8): Fixed pin (fixing means for movable arm member)
(9): Lifeline
(14): Curing net

Claims (7)

A plurality of support arms installed at predetermined intervals in the length direction of the parapet or inside the parapet of the building and extending so that the tip portion protrudes outward from the building, and spanned on the tip portion of the plurality of support arms A monorail type gondola comprising a rail extending along a parapet, a traveling device assembled to the rail so as to be able to travel, and a gondola body suspended from the traveling device via a rope. And
The support arm includes a fixed arm member, a movable arm member that is slidably assembled to the fixed arm member along a length direction thereof, and a rail mounting member that is provided at a distal end portion of the movable arm member. And
The movable arm member protrudes outward from the building by a predetermined distance from the parapet when viewed from the side, and the rail mounting position where the rail mounting member is pulled in or above the parapet when viewed from the side. It is slid between at least one rail installation position, and is fixed to the fixed rail member by fixing means that can be fixedly released at the rail installation position .
The fixed arm member has a groove-shaped cross section that opens upward, and the movable arm member includes a slide guide portion that is slidably fitted in the length direction. The rail mounting member is located above the slide guide portion. A monorail gondola that extends upward through the opening .   The rail is composed of a plurality of rail members that are connected in series by being laid on the rail mounting member of the adjacent support arm, and both end portions of each rail member are rotatable about the vertical axis with respect to the rail mounting member. The monorail gondola according to claim 1, which is connected. Brackets with vertical pin insertion holes are attached to the sides of the rail members that are closer to the building at both ends, and the brackets that are provided at the ends of adjacent rail members are stacked one above the other. So that the pin insertion hole matches,
3. The monorail gondola according to claim 2, wherein the rail mounting member comprises a rail mounting pin that extends upward from the tip of the movable arm member and has a retaining portion at the upper end so that the rail mounting member can be inserted into the pin insertion hole. .   The monorail gondola according to claim 3, wherein the pin insertion hole of at least one of the brackets provided at both ends of the rail member is a long hole extending along the length direction of the rail member. The rail mounting pin has a pin body and a folding pin that is connected to the upper end portion of the pin body so as to be bent in the horizontal direction and forms the retaining portion,
At the upper end of the pin body, a vertical plate-like thin part having a long hole extending in the vertical direction is provided,
The folding pin is formed with a slit portion that is cut upward from the lower end surface and into which a thin portion can be fitted,
The folding pin and the pin main body are connected so as to be relatively rotatable by a horizontal connecting pin inserted through the long hole and the slit portion,
The monorail gondola according to claim 3 or 4, wherein a fitting portion that can be fitted together from above and below is formed at a lower end portion of the folding pin and a base portion of the thin portion of the pin body. A driving trolley and a driven trolley to which one end of a rope for hanging the gondola main body is respectively connected, and a lifeline trolley arranged between the driving trolley and the driven trolley and connected to one end of the lifeline And two connecting bars for connecting the driving trolley, the driven trolley, and the lifeline trolley, respectively, and both ends of the two connecting bars are centered on the vertical axis with respect to the driving trolley, the driven trolley, or the lifeline trolley. The monorail gondola according to any one of claims 1 to 5 , wherein the monorail gondola is pivotally connected to each other. The support arm further includes a net suspension arm member that is attached to the movable arm member so that the distal end portion protrudes outward from the rail attachment member by a predetermined distance and the curing net is suspended from the distal end portion. Item 10. The monorail gondola according to any one of items 1 to 6 .

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