JP3002221U - Trolley with a gondola suspension arm - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a trolley in which a gondola used for joint treatment of a curtain wall of a high-rise building or the like can be hung up and down along the wall surface of the curtain wall. [Structure] Counterweight 3, outrigger 8,
A trolley 1 having a winch 7, a guide arm 4 and a suspension arm 9, wherein the counterweight is mounted on the rear end of the trolley and the outriggers are mounted on the left and right sides of the front end of the trolley, and the winch is mounted on the trolley. It is installed and installed, the guide arm extends horizontally from the front end side of the trolley, and the suspension arm is composed of two wires, each having a wire sheave near the tip end and the base end, and a portion near the base end. The guide arms are pivotally supported on the left and right ends of the guide arm via a support shaft 10, and are linearly opened with the support shaft as a fulcrum. Both base end portions of the guide arm of the guide arm are attached via detachable fixing pins. It is characterized in that it can be integrally connected and fixed to the tip portion.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention is a trolley having a suspension arm of a gondola (cage) mainly used for joint treatment of curtain walls of high-rise buildings, and particularly this suspension arm is extended from the window on the middle floor of the high-rise building and the suspension arm is extended. The present invention relates to a trolley in which a gondola can be hung up and down along the wall surface of a high-rise building.

[0002]

[Prior art]

 The exterior of a skyscraper, which has a height of 20 floors or more, is generally composed of prefabricated curtain walls. By the way, this curtain wall is generally about 3 meters wide and about 4 meters high on the first floor, and the joints of each curtain wall are made of water-tight and fire-resistant sealing material. Therefore, the joint is generally treated.

Conventionally, when carrying out this joint treatment work, a gondola is suspended from the top floor as a scaffold for work and this gondola is used. In other words, when the top floor of the structure structure was assembled, the gondola was suspended and the joint treatment was performed.

[0004]

[Problems to be solved by the device]

 As a result, joint treatment tended to be concentrated at the end of the entire construction period, that is, after the assembly work on the top floor. However, the amount of joint treatment work is extremely large, and the higher the number of layers, the greater the dependence on manual work. In addition, the efficiency of this joint treatment work depends on the weather conditions. It was one of the major challenges in the construction of high-rise buildings that adopt the curtain wall method.

As a means for solving the above problems, the present invention was devised for the purpose of providing a truck equipped with a gondola suspension arm capable of suspending a gondola for joint treatment work from an intermediate floor. Is. That is, before the end of the assembly work on the top floor, the gondola suspension arm is extended from the window on the intermediate floor and the suspension arm is hung to suspend the gondola for joint treatment work. It was designed with the aim of providing a trolley that can be safely operated.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention firstly provides a trolley. Then, a winch having two winding drums was mounted and installed on this trolley. Next, a counterweight was attached to the rear end of the bogie, and an outrigger was attached to the front end. Further, the guide arms are horizontally extended from both sides of the front end of the trolley, and the end portions of both guide arms are integrally connected by a cross beam to form a guide arm body having a U-shaped planar shape. Is attached to the front end of the bogie in a detachable manner.

On the other hand, two suspension arms each having a wire sheave are provided at positions close to the tip end portion and the base end portion. Then, positions near the base end portions of the two suspension arms, that is, positions closer to the base end portion than the intermediate portion, are pivotally supported to the left and right end portions of the guide arm body via supporting shafts.

[0008] Furthermore, with the tip ends of the left and right suspension arms opened linearly in the left-right direction with the support shaft as a fulcrum, the base ends of both suspension arms are fixed to the guide arm body side so that they can be inserted and removed. It is characterized in that it can be integrally connected and fixed via a pin.

The counterweight mounted on the rear end side of the trolley can be detachably mounted on the trolley. Also, the guide arm main body that extends to the front end side of the dolly and the suspension arm pivotally supported by the guide arm main body are detachably attached to the front end of the dolly via a support bracket, and the counter weight and the guide arm are attached to the dolly. When removed from the side, the dolly itself has a structural size that allows it to be installed in a luggage elevator installed in a building under construction. Furthermore, the width of the left and right guide arms that horizontally project from the front end side of the bogie is set to be narrower than the window width of a high-rise building that is also under construction, so that it can be projected outward from the window.

[0010]

[Action]

 Since the present invention is configured as described above, first, the trolley is carried into an arbitrary intermediate floor of a high-rise building in the process of construction, and the counterweight and the guide arm main body, which have been removed from the trolley side, are equipped respectively. . Then, the suspension arm pivotally attached to the cross beam connected between the front end portions of the left and right guide arms is projected to the outside of the window, the outrigger of the carriage is adjusted, and the carriage itself is fixed at a predetermined position near the window.

After the work of fixing the bogie is completed, the take-up wires are respectively drawn from the two take-up drums of the winch installed on the bogie, and the take-up wires are pivotally supported on the left and right sides of the guide arm body. It hangs on the ground through two wire sheaves, the base end and the tip of the arm. At the same time, the left and right suspension arms are opened to the left and right with the support shaft as the fulcrum as described above, and the tip parts of the left and right suspension arms are integrally fixed to the tip parts of the guide arms via the fixing pins.

Then, the take-up wire hung on the ground through the wire sheave attached to the end portions of the left and right suspension arms has a shape that hangs left and right along the curtain wall, that is, along the outer wall curtain wall. , The left and right take-up wires are connected to the winder of the work gondola that has been placed on the ground in advance, and if the gondola is raised and lowered, the gondola is raised and lowered along the wall surface of the curtain wall. It becomes possible to work.

[0013]

【Example】

 Further, the configuration and operation of the present invention will be specifically described based on the embodiments shown in the drawings. First, FIG. 1 is a side view in which a trolley having a gondola suspension arm of the present invention is fixedly installed at a window on an intermediate floor of a high-rise building in which a curtain wall CW is attached during a construction process. FIG. 2 is a plan view thereof.

As shown in FIG. 1, the trolley 1 is a hand-pushed four-wheel trolley in which a body frame is formed by using a shaped steel material such as a rectangular steel pipe material, and wheels 2 are provided on the front, rear, left and right. Then, the counterweight 3 is detachably mounted on the rear end side of the carriage 1. Specifically, a storage box 3a for the counterweight 3 is provided at the rear part of the trolley 1, and a plurality of 15 kg counterweights are manually stored in the storage box 3a as needed, and the suspension arm 9 (9) is used. The gondola (not shown) that was suspended above the equipment was installed to counter the suspended load movement.

Next, as shown in FIG. 1, the guide arms 4 (4) that horizontally project from the left and right sides of the front end of the carriage 1 project horizontally through the support brackets 5 (5). Then, a cross beam 4a is provided between the tip portions, that is, between the right end portions in FIG. 1, and both are integrally connected to form a guide arm body 6 having a U-shaped planar shape. Moreover, both the guide arm main body 6 and the support bracket 5 (5) are attached to the truck 1 by using bolts and nuts, and are attached to the truck 1 side so that they can be appropriately removed.

As the winch, as shown in FIG. 1, a manual winch 7 having two winding drums 7 a (7 a) coaxially is mounted and installed near the rear end of the carriage 1. 7b (7b) is an operating handle of the winding drum 7a (7a). The outriggers 8 (8) attached to the front end side of the bogie 1 are generally capable of adjusting the ground contact height, and are attached to the left and right front ends of the bogie 1, respectively, as shown in FIGS. 1 and 2. .

Next, two suspension arms 9 having wire sheaves 9a and 9b were provided at the tip and near the base. The material consisted of square pipes. Then, as shown in the front view of FIG. 3, the suspension arms 9 and 9 are pivotally supported to the left and right of the front end portion of the guide arm body 6 via support shafts 10 and 10, respectively. Then, as shown in the plan view of FIG. 2, when the left and right suspension arms 9 and 9 are opened in the directions of the arrows with the support shafts 10 and 10 as fulcrums to make them straight, the bases of both suspension arms 9 and 9 are formed. The end portions 9c and 9c are connected to each other, and the connecting portion is integrally connected and fixed to the guide arm main body 6 side through a fixing pin 11 which can be inserted and removed as shown in FIG. FIG. 4 is a plan view of FIG.

In addition, in this embodiment, the wire sheaves 9b and 9b attached to the two left and right suspension arms 9 and 9 near the base end portions are, as shown in FIG. 3, the wire sheaves 9a and 9a on the tip end side. It was attached to the side while tilted upward. The reason is that the take-up wire 7c (7c) pulled out from the take-up drum 7a (7a) of the manual winch 7 can be operated smoothly without coming off from the wire sheaves 9a (9a) and 9b (9b). This is because

FIG. 5 is a plan view showing a state before the left and right suspension arms 9 and 9 are opened to the left and right with the support shafts 10 and 10 as fulcrums as shown in FIGS. 3 and 4. In other words, it shows the state before it is used as a gondola truck. In this embodiment, the support shafts 10 and 10 in which the left and right suspension arms 9 and 9 described in FIG. 3 are pivotally attached to the left and right front end portions of the guide arm body 6, respectively, Like the fixing pin 11, it has a detachable structure. That is, when it is not used as a gondola truck, the whole body can be stored compactly by simply removing it from the truck 1 side like the guide arm body 6.

Reference numeral 12 shown in FIG. 3 is for preventing loss of the fixing pin 11, and is a chain connected between the head of the fixing pin 11 and the suspension arm 9 side. In addition, 13 (13) shown in FIG. 5 is a lock pin for temporarily locking the base ends of the left and right suspension arms 9 and 9 to the guide arm body 6 side, and until just before the start of use. The lock pins 13 (13) are used to close the tip portions of the left and right suspension arms 9 and 9.

Further, as described above, the size of the trolley 1 is designed so as to be able to be stored in the luggage elevator for carrying in materials installed in advance at the construction site, and the left and right sides of the guide arm main body 6 are also designed. The width was also set in advance to a size that allows the curtain wall CW to project outside from the window frame.

FIG. 6 is a vertical cross-sectional side view taken along the line YY in FIG. 4, showing the connecting and fixing portions by the fixing pins 11 of the base end portions 9c and 9c of the left and right suspension arms 9 and 9.

Since the gondola carriage according to the present invention is configured as described above with reference to the embodiments, the carriage equipped with the manual winch, the counterweight, the guide arm, and the two suspension arms are separated from each other. In this state, the cargo is carried to the desired floor via the cargo elevator during the construction process. At the same time as loading, attach the counterweight and guide arm body to the trolley side, and then attach the suspension arm to the guide arm body. Then, with the ends of the left and right suspension arms closed, project the ends of the guide arm body out of the window of the curtain wall, then open the suspension arms to the left and right to form a straight line, and fix them with the fixing pins on the guide arm side. Fixed to.

When the work of fixing the suspension arm is completed, the outrigger of the truck itself is operated to fix the truck itself at the window to pull out the winding wire of the manual winch, and the winding wire is attached to the suspension arm. It hangs down on the ground through the sheave. Then, the winder supports the ends of both the left and right hanging take-up wires, and the cage, which is the working scaffolding, that is, the gondola, is suspended. Now that the preparatory work is complete, the manual winch can be operated to move the gondola up and down to perform curtain wall joint treatment.

[0025]

[Effect of device]

 By using the dolly according to this invention, the following effects can be achieved as compared with the conventional curtain wall joint processing work. (1) Since the gondola can be hung from the middle floor before the curtain wall installation work up to the top floor is completed, the joint treatment process can be appropriately distributed among all processes. The construction period can be shortened. (2) Since it is easy to carry the dolly to the site floor, it is possible to smoothly perform the setup process up to the joint treatment work, which is useful for work efficiency. (3) The suspension arm that suspends the gondola is configured to open and close. It projects outward from the window on the predetermined floor, then opens to the left and right to hang down the take-up wire, and the left and right take-up wires suspend the gondola. Since it is hung, the gondola itself is kept in a stable state, and work safety is high. In particular, since it is easy to load and unload trucks to and from each floor on the site, it is possible to divide the suspension height into at most one floor and two floors at the most, and as a result, the gondola swing can be minimized. Therefore, safe joint processing work can be developed.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a truck having a gondola suspension arm according to the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a front view of the opening / closing suspension arm opened to the left and right.

FIG. 4 is a plan view of FIG.

FIG. 5 is a front view showing a state in which the opening / closing suspension arm is closed.

6 is a vertical cross-sectional view taken along the line YY of FIG.

[Explanation of symbols]

 1 dolly 2 ...... wheels 3 ...... counterweight 4 …… guide arm 5 …… support bracket 6 …… guide arm body 7 …… manual winch 7a …… winding drum 7b …… operating handle 7c …… winding Take wire 8 …… Outrigger 9 …… Suspending arm 9a, 9b …… Wire sheave 9c …… Base end of suspension arm 10 …… Spindle 11 …… Fixing pin 12 …… Locking pin loss prevention chain 13 …… Lock pin

Claims (2)

[Scope of utility model registration request] 1. A trolley, a counterweight, an outrigger, a winch, a guide arm, and a suspension arm, wherein the counterweight is at the rear end of the trolley, and the outrigger is at the left and right front ends of the trolley. Equip both sides,
The winch is mounted on a bogie, the guide arm extends horizontally from the left and right sides of the front end of the bogie, and the suspension arm consists of two wires, each having a wire sheave near the tip and the base end. Then, a portion closer to the base end portion than the middle portion is pivotally supported to the tip end portions of the left and right guide arms via a support shaft, and both suspension arms are linearly opened with this support shaft as a fulcrum, and the base end portions of both suspension arms are connected to each other. A trolley having a gondola suspension arm, characterized in that it is integrally connected and fixed to the tip end portion of the guide arm via a fixing pin that can be freely inserted and removed. 2. The trolley having a gondola suspension arm according to claim 1, wherein the counterweight, the guide arm and the suspension arm are detachably mounted on the trolley.