JPH0951U - Work gondola - Google Patents

Abstract

(57) [Summary] (Corrected) [Purpose] To obtain a work gondola equipped with an arm that can suspend the work gondola main body safely, reliably, and with sufficient strength. [Structure] In a work gondola attached to a building such as a building, an insertion groove 1 into which a tip 4 of an anchor plate having an arm 4 fixed to a body of a roof is inserted.
2 is an inverted L-shaped plate-shaped arm main body 11 at a portion near the lower end, and an engagement plate 10 of an anchor plate is engaged with an insertion groove 12 of the arm main body 11. In this state, a plurality of bolts 1 are located on both sides of the strut part of the arm body 11.
7, a pair of sandwiching plates 19 which are tightened and fixed by nuts 18, a support piece 15 protruding upward from a corner portion of the arm body 11, and an arm 4 attached to the support piece 15 are supported. A reaction rope 16, a reinforcing member 14 fixed to the arm body 11 by welding or the like, and a rope hanging metal fitting 20 attached to the tip of the arm portion of the arm body 11. Constitutes a working gondola.

Description

[Detailed description of the device]

The present invention relates to a work gondola used for cleaning windows of buildings such as buildings.

[0002]

[Prior art]

 A conventional work gondola is equipped with an attachment plate having an insertion hole for inserting and supporting a lower strut of an inverted L-shaped arm into an anchor plate fixed to a roof part of a building or the like. It is constructed so that the rope can be attached to the tip of the arm and the work gondola body can be moved up and down by operating the winch attached to the work gondola body where a person rides and works. .

[0003]

[Problems to be solved by the present invention]

 The conventional work gondola is installed by inserting the lower L-shaped arm post into the insertion hole of the mounting bracket attached to the anchor plate, so it can be applied in the left-right direction of the arm. It had weak points such as weak load and difficult to attach arm firmly and surely.

In view of the above-mentioned conventional drawbacks, the present invention provides a working gondola having an arm that can obtain sufficient strength and can withstand loads in the vertical and horizontal directions. Has an aim.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention is an arm attached to the body of a rooftop of a building such as a building, the tip of which protrudes outward, and a rope at the tip of this arm. In the work gondola consisting of a work gondola body that is vertically movably attached, the insertion groove into which the tip engaging piece of the anchor plate fixed to the frame of the roof part is inserted. An L-shaped plate-shaped arm main body located near the lower end of the arm main body, and an engagement plate of the anchor plate engaged with the insertion groove of the arm main body. A pair of sandwich plates which are located on both sides of the column portion of the arm body and which are fastened and fixed by a plurality of bolts and nuts; a support piece protruding upward to the corner of the arm body; Attached to the arm to support the arm and the arm main body by welding or the like. A reinforcing member that is, the A - arm body A - constitute a working gondola between flops hanging bracket - preparative Tagged B at the tip portion of the arm portion.

[0006]

[Action]

 The work gondola configured as described above has the arm fixed to the anchor plate by a pair of sandwich plates using multiple bolts and nuts, so it is strong against lateral runout. Can be fixed to. Also, the load applied upward can be received by the arm and the recoil rope.

[0007]

[Example of the present invention]

 Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 5, reference numeral 1 denotes a work gondola of the present invention used for cleaning a window glass of a building 2 such as a building. The working gondola 1 has a pair of arms 4 and 4 having tip portions attached to the body 3 at the portions near the both ends of the roof of the building 2 and the pair of arms 4 and 4, A work gondola main body 6 on which a person movable in the vertical and horizontal directions can ride and work by a pair of ropes 5 and 5 suspended from the tip end of 4, and the pair of ropes 5 and 5. Is composed of a pair of electric winches 7 which are respectively expanded and contracted.

As shown in FIGS. 2 and 3, the pair of arms 4 and 4 are provided with fixing metal fittings 9 and 9 fixed to the reinforcing bar 8 of the skeleton 3 at a portion of the building 2 near both ends of the roof. The arm body 11 is fixed to the tip engaging pieces 10 and 10, respectively, and is formed of a metal plate in a substantially inverted L shape, and a portion of the arm body 11 near the lower portion of the column portion 11a. The insertion groove 12 into which the engaging piece 10 of the fixing metal fitting 9 is inserted, and the outer side surface of the pillar portion 11a of the arm body 11 and both side surfaces at substantially the center of the arm portion 11b. Reinforcing members 13 and 14 fixed by welding or the like so as to project outward, a support piece 15 integrally formed at the corner of the arm body 11 so as to project upward, and the support piece 15 A reaction rope 16 attached to the fixed part of the building 2 attached to the A pair of sandwiching plates 19 and 19 which are located on both sides of the column portion 11a of the main body 11 and which are fastened and fixed by a plurality of bolts 17, three bolts in this embodiment, and a nut 18, and the arm main body 11 It is composed of a rope suspension fitting 20 attached to the tip of the arm portion 11b.

As shown in FIGS. 4 and 5, the working gondola main body 6 has a square frame-shaped frame 22 to which a bottom plate 21 on which a person can ride is attached, and four frames of the frame 22. A plurality of casters 23, 23, 23, 23 attached to the bottom surface of the corners and a plurality of frame members 22a, 22a at both upper portions of the frame 22 are provided in the central portion of the caster 23, 23 in this embodiment. Channel-shaped mounting brackets 25, 25 removably mounted by bolts 24, and a mountain-shaped support frame 26 having both ends fixed by welding or the like to substantially the center of the mounting brackets 25, 25. And a V-shaped rope supporting member 28 rotatably attached to the center of the supporting frame 26 by means of a pivot pin 27, and both front portions of the frame 22. About the frame members 22b and 22b It is composed of a safety belt 29 attached to the center of the box to prevent the worker from falling off.

The pair of electric winches 7 and 7 can be remotely operated by a remote controller or a radio control. The pair of electric winches 7 and 7 are fixedly installed on the roof near the pair of arms 4 and 4, respectively. The ropes 5 and 5 wound around the drums 30 and 30 of the pair of arms are a pair of arms 4 and 4 and the rope guides 31 and 31 attached to the upper portions of the support portions 11a and 11a, and the pair of arms 4 respectively. 4 are attached to both ends of the rope support metal fitting 28 through the respective rope hanging metal fittings 20, 20 at the tip end portions thereof.

In the work gondola 1 having the above-described configuration, the pair of electric winches 7 and 7 are actuated to expand and contract the pair of ropes 5 and 5, respectively, whereby the work gondola main body 6 is moved vertically and leftward and rightward. be able to.

When the work gondola main body 6 is moved in the vertical and horizontal directions, lateral and vertical loads are applied to the pair of arms 4 and 4, but the arm main body 11 and both side surfaces of the arm main body 11 The vertical load is received by the arm main body 11 and the recoil rope 16.

[0014]

[Different embodiment of the present invention]

 Next, another embodiment of the present invention shown in FIGS. 6 to 18 will be described. In the description of these different embodiments of the present invention, the same components as those of the first embodiment of the present invention will be designated by the same reference numerals and will not be described.

The second embodiment of the present invention shown in FIGS. 6 to 9 is mainly different from the first embodiment of the present invention in that two reaction ropes 16 and 16 are attached to each other. Auxiliary ropes 33, 33 having weights 32, 32 attached to the lower parts suspended to near the ground are attached to the tips of the arms 4, 4 respectively, and the frame of the work gondola body 6 is attached. If the auxiliary ropes 33, 33 are passed smoothly on both sides of the work piece 22, the ropes 5, 5 are cut, and the work gondola body 6 suddenly swings to the left and right. The work gondola 1A having the above-mentioned structure is similar to that of the first embodiment of the present invention in that the lock devices 34 and 34 for automatically locking the auxiliary ropes 33 and 33 are installed. The effect is obtained.

The locking devices 34, 34 are inclined sloped auxiliary rope guide passages 35, and a lock lever rotatably attached to the upper position of the auxiliary rope guide passages 35 by a pivot pin 36. 37, a stopper piece 38 for stopping the lock lever 37 at a predetermined position, an urging spring 39 attached to the stopper piece 38 so that the lock lever 37 always abuts, and a rear portion of the lock lever 37. A pressing piece 40 for pressing the auxiliary rope 33 formed at the end into the auxiliary rope guide passage 35, and an auxiliary rope guide piece 41 formed at the tip of the rock lever 37. The lock lever 37 is composed of an emergency operation lever 44 protruding outward through a long hole 43 formed in both side plates 42 attached to a portion near the tip end portion of the lock lever 37.

The third embodiment of the present invention shown in FIGS. 10 to 12 is mainly different from the first embodiment of the present invention in a pair of arms 4A and 4A. The frames 4A and 4A are fixed by welding or the like to a pair of support plates 45, 45 projecting outward from the upper and lower portions of the one sandwiching plate 19A, and a portion of the pair of support plates 45, 45 near the tip ends. A pillar support pipe 46 and a locking member 4 whose lower end is inserted into the pillar support pipe 46 and whose tip is fixed to a portion of the arm body 11 near the tip of the arm portion 11b by welding or the like. Even if the working gondola 1B is configured by using the pair of arms 4A and 4A formed in this way, the steady arm 48 that is locked to the 7 is installed. The same effect as that of the first embodiment can be obtained.

Reference numeral 49 is a reinforcing brace for the pair of support plates 45, 45. Further, 50 is a reinforcing plate fixed to the corner of the steady arm 48 by welding or the like.

The fourth embodiment of the present invention shown in FIGS. 13 to 15 is mainly different from the first embodiment of the present invention in that the front end of the arm portion 11b of the arm body 11 is different from that of the first embodiment. A plurality of pin insertion holes 51, 51, 51 in this embodiment are formed in the vicinity, and a steady arm 48A is attached to the arm main body 11 so as to constitute this structure. Even with the work gondola 1C, the same effects as those of the first embodiment of the present invention can be obtained.

The steady arm 48A is an engaging plate having locking pieces 52, 52 for engaging with an engaging piece 10 of a fixing fitting 9 fixed to the body 3 near the arm body 11. 53, a pipe-shaped holder 54 whose lower end is fixed to the engagement plate 53 by welding or the like, and a washer 55 to the engagement piece 10 of the fixing fitting 9 fixed to the engagement plate 53 by welding or the like. Bolt 57 tightened and fixed by a nut 56, a pillar 58 whose lower end is inserted into the holder 54, a bar member 59 fixed to the upper portion of the pillar 58 by welding or the like, and this bar member. 59, four pin insertion holes 60, 60, 60, 60 in the present embodiment, and any one of these pin insertion holes 60, 60, 60, 60 and -In any of the pin insertion holes 51, 51, 51 of the main body 11 And a locking pin 61 to be inserted.

The fifth embodiment of the present invention shown in FIGS. 16 to 18 is mainly different from the fourth embodiment of the present invention in that a plurality of mounting plates 62 fixed to a holder 54 are provided. Since it is fixed to the body 3 with screws 63 or the like, the same effect can be obtained even with the work gondola 1D using the steady rest arm 48B thus configured.

[0022]

[Effect of the present invention]

 As is apparent from the above description, the present invention has the following effects.

(1) An arm attached to a frame of a rooftop of a building such as a building, the tip of which protrudes outward, and the tip of this arm can be moved vertically through a rope. In a working gondola consisting of an attached work gondola main body, the insertion groove into which the tip engaging piece of the anchor plate fixed to the frame of the roof part is inserted is located near the lower end. The inverted L-shaped plate-shaped arm main body at the part, and the support groove of the arm main body with the engagement piece of the anchor plate engaged with the insertion groove of the arm main body. A pair of sandwiching plates located on both sides of the part that are tightened and fixed by a plurality of bolts and nuts, a support piece that protrudes upward at the corner of the arm body, and is attached to this support piece. The recoil rope supporting the arm and the reinforcing member fixed to the arm body by welding or the like. And a rope suspending metal fitting attached to the tip of the arm part of the arm body, the vertical load of the arm is received by the reaction rope, The load applied to the arm mounting part can be reduced. Therefore, damage to the arm can be efficiently prevented.

(2) According to the above (1), the arm body can be firmly attached to the fixing metal member fixed to the body without swinging. Therefore, you can work safely.

(3) According to the above (1), since the structure is simple, it can be installed relatively easily.

(4) According to claims 2, 3 and 4, the same effects as the above (1) to (3) can be obtained.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a first embodiment of the present invention.

FIG. 2 is an explanatory view showing a mounting state of an arm.

FIG. 3 is an exploded perspective view of an arm.

FIG. 4 is a perspective view of a work gondola body.

FIG. 5 is a front view of a work gondola body.

6 to 9 are explanatory views showing a second embodiment of the present invention.

10 to 12 are explanatory views showing a third embodiment of the present invention.

13 to 15 are explanatory views showing a fourth embodiment of the present invention.

16 to 18 are explanatory views showing a fifth embodiment of the present invention.

[Explanation of symbols]

1, 1A, 1B, 1C, 1D: work gondola, 2: building, 3: frame, 4: arm,
5: rope, 6: work gondola body, 7: electric winch, 8: rebar,
9: Fixing bracket, 10: Engagement piece,
11: arm body, 12: insertion groove,
13: Reinforcing member, 14: Reinforcing member, 15: Supporting piece, 16: Reaction lo
17: Bolt, 18: Nut,
19: sandwich plate, 20: rope hanging metal fitting, 21: bottom plate, 22: frame,
23: casters, 24: bolts,
25: Mounting bracket, 26: Support frame
, 27: pivot pin, 28: rope support metal fitting, 29: safety belt, 30: drum,
31: rope guide, 32: weight, 33: auxiliary rope, 34:
Lock device, 35: Auxiliary rope guide passage, 36: Pivot pin, 37: Lock lever, 38: Stopper piece, 39: Energizing spring, 40: Pushing piece, 4
1: Auxiliary rope guide piece, 42: Side plate,
43: long hole, 44: operating lever,
45: support plate, 46: strut support pipe,
47: locking member, 48, 48A, 48B: steady rest
49: Reinforcing brace 50: Reinforcing plate, 51: Pin insertion hole, 52: Locking piece, 53: Engaging plate, 54: Holder, 55: Washer, 56: Nut, 57: Bolt, 58: Strut,
59: bar member, 60: pin insertion hole, 61: locking pin, 62: mounting plate, 63: screw.

Claims (4)

[Utility model registration claims] 1. An arm having a front end attached to a frame of a roof portion of a building such as a building, and an arm protruding upwardly, and attached to the front end of the arm so as to be vertically movable via a rope. In a work gondola consisting of a work gondola body
An inverted L-shaped plate-shaped arm body having an insertion groove at a portion near the lower end portion, into which the tip engaging piece of the anchor plate fixed to the body of the roof portion is inserted. , With the engaging pieces of the anchor plate engaged with the insertion grooves of the arm body, are located on both sides of the strut portion of the arm body and are fixed by tightening with a plurality of bolts and nuts. A pair of sandwiching plates, a supporting piece protruding upward from a corner of the arm body, a reaction rope for supporting the arm attached to the supporting piece, and the arm. A working gondola comprising a reinforcing member fixed to the main body by welding or the like, and a rope suspending metal fitting attached to a tip of an arm portion of the arm main body. 2. An arm having a tip end attached to a body of a roof portion of a building such as a building and protruding outward, and an arm attached to the tip end of the arm so as to be vertically movable via a rope. In a work gondola consisting of a work gondola body
An inverted L-shaped plate-shaped arm body having an insertion groove at a portion near the lower end portion, into which the tip engaging piece of the anchor plate fixed to the body of the roof portion is inserted. , With the engaging pieces of the anchor plate engaged with the insertion grooves of the arm body, are located on both sides of the strut portion of the arm body and are fixed by tightening with a plurality of bolts and nuts. A pair of sandwiching plates, a pair of supporting plates protruding outward from the upper and lower portions of one of the sandwiching plates, and one end of the pair of supporting plates being locked to the tip ends. , The other end is the arm of the arm body
It is characterized in that it is constituted by a steady arm that is locked to the tip of the arm part, and a rope hanging metal fitting that is attached to the tip of the arm part of the arm body. Working gondola. 3. An arm having a tip end attached to a frame of a rooftop portion of a building such as a building and protruding outward, and attached to the tip end of this arm so as to be vertically movable via a rope. In a work gondola consisting of a work gondola body
An inverted L-shaped plate-shaped arm body having an insertion groove at a portion near the lower end portion, into which the tip engaging piece of the anchor plate fixed to the body of the roof portion is inserted. , With the engagement plate of the anchor plate engaged with the insertion groove of the arm body, use a plurality of bolts and nuts between the anchor plate and the strut part of the arm body. And a fixing bracket to fix
Reinforcing anchor plate fixed to the frame of the rooftop part away from the anchor plate or a column holder fixed to the frame of the rooftop part, and this column holder
A steady rest arm attached to the tip of the arm body and a rope hanging metal fitting attached to the tip of the arm part of the arm body. A work gondola characterized by being configured with. 4. An arm having a tip end attached to a frame of a rooftop portion of a building such as a building and protruding outward, and attached to the tip end of this arm so as to be vertically movable via a rope. In a work gondola consisting of a work gondola body
An inverted L-shaped plate-shaped arm having an insertion groove at a portion near the lower end portion into which a tip engaging piece of an anchor plate fixed to the skeleton with the arm is fixed to a roof portion is rotatably inserted. -The main body,
A pivot pin that rotatably attaches the anchor plate and the strut portion of the arm body with the engagement piece of the anchor plate locked in the insertion groove of the arm body, and A working gondola comprising: a mounting bracket made of a pair of sandwiching plates; and a fixing bracket for fixing the arm body in a used state and an unused stored state.