JPH0446425Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is a method of welding the tight frames one after another while moving while seated with various materials such as tight frames and welding rods loaded. This product relates to roofing carts that can be used for transporting long folded plates, as well as for conveying the folded plates immediately after they have been processed by a molding machine. be.

[Conventional technology]

Generally, in roofing work in cathedral-like buildings such as factories and warehouses, as shown in FIG. Tight frames 22 are arranged in a row in the center and fixed by welding. The tight frame 22 usually has two or three peaks 22a of a constant width.
As described above, the ridges 22a are arranged in a line to form continuous peaks 22a. After the tight frames 22... are connected and fixed in this way, the chevron-shaped folding plates 23... are lifted from the ground, and these chevron-shaped folding plates 2
3... are disposed perpendicularly to the tight frames 22.... The chevron-shaped folding plate 23 is usually
It has a length of about 15 m, and has a crest 23a corresponding to the ridge 22a of the tight frame 22.
These tight frames 22... and the angled folding plates 23... are arranged with their ridges 22a and 23a overlapping each other. After arranging the chevron-shaped folding plates 23 in this way, the tight frame 22 and the chevron-shaped folding plates 23 are fixed with hangers or bolts at the joints between the crests 22a and 23a, while
The adjacent chevron-shaped folding plates 23, 23 are connected to each other by winding an electric winding machine around each side end portion facing each other.

However, most of the above-mentioned roofing work relies on manual labor, and the above-mentioned Tight Frame 22...
In the welding work of..., the worker must carry the tight frame 22... and the welding rod himself during the welding work, resulting in poor work efficiency and forcing the worker to do heavy labor. In addition, when transporting and arranging the chevron-shaped folding plate 23, several workers themselves lift the chevron-shaped folding plate 23 and transport it to the predetermined location of the tight frame 22. Carrying such heavy objects is extremely dangerous, and since only a few sheets can be transported at a time, this work must be repeated many times, making it difficult to improve work efficiency. On the other hand, it would take a long time to lift the chevron-shaped folding plate 23 onto the roof using a crane or the like and then transport it to the predetermined location of the tight frame 22.
This also has the disadvantage of poor workability.

Therefore, in the past, for example, JP-A-59-213856
As disclosed in Japanese Utility Model Publication No. 61-80919, a cart has been proposed which is configured to be movable on the main roof and facilitates the transportation of folded plates and the movement of the operator himself. Such a truck is provided with guides that sandwich the tight frame 22 fixed as described above from both sides, so that it can stably move along the tight frame 22.

[Problem that the invention attempts to solve]

However, since the above-mentioned carts are equipped with a loading platform on which people sit and place folded plates, etc., they tend to be large and heavy overall. For this reason, it is inconvenient to transport the cart, and in particular, it is difficult to raise the cart to a high place where roofing work is to be performed and to lower it from a high place. Specifically, when raising and lowering the trolley, the worker must carry the trolley and climb up and down ladders and scaffolding, which increases the burden on the worker.

Furthermore, the bogie disclosed in Japanese Patent Application Laid-Open No. 59-213856 is provided with large plates in order to have the function of guiding the tight frame by sandwiching it from both sides and the function of supporting the wheels. According to this method, although sufficient support strength can be obtained, the weight of the entire cart becomes considerably heavy.

In contrast, the bogie disclosed in Japanese Utility Model Application No. 61-80919 uses a structure in which the die member is made smaller by sandwiching a part of the tight frame, and the wheels are supported by thin brackets. , the weight is reduced. However, even though this trolley is subject to a considerable load due to people sitting on it and loading plates such as mountain-shaped folding plates, there is a risk that the support structure described above may lack the strength.

The present invention was developed in view of the above circumstances, and has been developed to make roofing easier and lighter in weight, as well as to ensure sufficient support strength. The purpose is to provide trolleys for use.

[Means for solving problems]

In order to solve the above-mentioned problems, the roofing trolley according to the present invention is designed to be able to load multiple wheels and various materials used in roofing work, and to allow the worker to sit on it. The tight frame is attached to the cargo platform and is fixed to the main roof at intervals in the arrangement direction of the tight frame so as to enable the movement of the cargo platform on the main roof. A plurality of wheel support parts that individually support each of the wheels arranged on both sides, and a plurality of wheel support parts arranged at intervals slightly wider than the width of the tight frame and straddling the tight frame. a guide plate portion that is guided by the guide plate, and a cutout portion that extends long along the guide plate and penetrates vertically is formed in an area on the outer surface side of the guide plate in the loading platform portion; The parts are characterized in that they are provided in the wheel support part so as to connect the parts where the wheels are lined up and supported on both sides of the tight frame.

[Effect]

According to the above configuration, the worker can, for example, use the hollowed-out portion to tie a rope to the loading platform and use the rope to raise and lower the roofing cart from a high place. Moreover, by placing a hand on the hollowed-out portion, the roofing cart can be easily transported even on the ground or the like. Furthermore, by providing the above-mentioned hollowed-out portion in the loading platform, it is possible to reduce the weight of the roofing truck.

On the other hand, since the wheel support parts are provided to support the wheels individually, the weight can be reduced compared to a structure in which the wheels are supported by a single plate. Further, since the guide plate portion is provided so as to connect the wheel support portions at the above-mentioned positions, sufficient support strength for the wheels can be ensured.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 8.

In the roofing cart 1 according to the present invention, the first
As shown in the figure, the loading platform 2 is made of a substantially rectangular flat plate, and can be loaded with various materials used during roofing work, and both ends are sloped downward to facilitate work. It has become easier for people to become complacent. As shown in FIG. 2, near the edge of the loading platform 2, there are four hollowed out parts 3 in order to reduce the weight of the loading platform 2 and reduce material costs.
... is formed to extend long along the longitudinal direction and penetrate vertically, while at the center thereof is used to check the welding condition of the tight frame 14 (shown in Fig. 5), which will be described later. A viewing window 4 is formed. A rubber plate 5 having the same shape and through holes in the same arrangement as the above-mentioned hollowed out part 3 and the observation window 4 is placed on the upper surface of the loading platform 2, and the four corners of this rubber plate 5 are connected to bolts. 6... and 7...
... are respectively fastened and fixed to the loading platform section 2. The rubber plate 5 is designed to prevent the various materials loaded on the loading platform 2 from slipping off and from causing scratches on the various materials.

As shown in FIG. 3, reinforcing members 8, 8 are suspended from the lower surface of the loading platform 2 at a position somewhat removed from the viewing window 4, and between these reinforcing members 8, 8. Wheel support plates 9, 9 are suspended parallel to each other. The wheel support plate 9 includes wheel support parts 9a, 9a arranged at regular intervals in the longitudinal direction of the loading platform part 2, and these wheel support parts 9a, 9a.
A guide plate part 9b connecting the two at the lower part thereof is integrally formed. An axle 10 is provided protruding from the lower part of each wheel support portion 9a,
A wheel 11 is attached to each axle 10 . Further, a washer 12 and a retaining ring 13 are sequentially attached to the tip of each axle 10 to prevent the wheel 11 from coming off the axle 10. on the other hand,
Guide plate portions 9b, 9b in wheel support plates 9, 9
The interval between them is set to be somewhat wider than the width of the tight frame 14, and this tight frame 14
The tight frame 14 guides the user in a certain direction while straddling the body. Further, both ends of the guide plate parts 9b, 9b are bent in a direction to gradually widen the distance therebetween in order to improve the guiding performance.

According to the above-mentioned roofing cart 1, the work involves welding the tight frames 14 one after another while carrying the tight frames 14 and various materials such as welding rods while moving while sitting on the worker's seat. becomes possible. Furthermore, if two roofing carts 1 are connected and used in this work, it becomes possible to load more of the various materials mentioned above, thereby reducing the number of trips between the various material storage areas and the work place. It is possible to further improve work efficiency. Moreover, when the roofing cart 1 is moved, it must straddle the welded tight frame 14 as shown in FIGS. Therefore, the traveling direction of the roofing cart 1 is reliably determined in a certain direction,
It is possible to move in a stable state on the beam 15, C channel 16, etc. without skidding or the like. Further, the guide plate portions 9b, 9
By providing the wheel b, it becomes possible to use wheels 11 with a small diameter. That is, if the guide plate portion 9b is not provided, the wheel 11 itself will need to have a guiding function, and if such a function is to be provided, the diameter of the wheel 11 will have to be increased. It is. Since the rotational resistance of the small-diameter wheels 11 is large, the stability of the roofing cart 1 used on a sloped beam 15 is further improved. Welding work becomes easier. In addition, since the viewing window 4 is formed in the loading platform 2, the worker can ensure the welding condition of the tight frame 14 while sitting on the loading platform 2.

After welding and fixing the tight frame 14... is completed, the work moves on to transporting and installing mountain-shaped folded plates, tile-shaped folded plates, etc. In the case of such work, as shown in Fig. 7, roofing The trolleys 1 are arranged on two (or three) adjacent C channels 16, 16, respectively. Then, place the chevron-shaped folding plates 17... etc. on these two or more roofing carts 1 so as to straddle the top, and in this placed state, these chevron-shaped folding plates 17... are placed in a predetermined position. It is transported to the location of the tight frame 14 and placed on the tight frame 14. Therefore, there is no need for several workers to lift the chevron-shaped folding plate and transport it to a predetermined tight frame location, which is a dangerous and difficult task, and has excellent effects in terms of both safety and workability. It will be played. In addition, when the installation work of the chevron-shaped folding plates 17 is completed, while fixing the tight frame 14 and the chevron-shaped folding plates 17 at the joints between the crests with hangers or bolts,
The adjacent chevron-shaped folding plates 17, 17 are connected to each other by winding an electric winding machine around each side end portion facing each other.

In addition, in recent years, methods have been implemented in which various types of folding plates are formed at the work site and the folded plates are directly guided onto the roof after being formed.
In the case of such work, as shown in FIG. 8, the roofing cart 1 is repeatedly pulled and its wheels 11...
... is used instead of a roller. In this way, it becomes possible to send the chevron-shaped folding plate 17 (or the tile-bar-shaped folding plate) immediately after being formed by the forming machine 18 to the desired location, and it is possible to deliver the mountain-shaped folding plate 17 (or the tile-bar-shaped folding plate) to the desired location, and it is possible to carry out the work exclusively for the on-site molding of various folding plates. This eliminates the need to provide a feed roller, making it possible to reduce equipment costs.

By the way, when pulling the roofing cart 1 up to the roof, it can be easily pulled up by tying a rope to the hollowed-out portion 3 and lifting the rope by hand. Conversely, when lowering the roofing cart 1 from the roof, it can be easily lowered by using a rope. Moreover, since the hollowed-out portion 3 is formed relatively large in order to reduce weight and material costs, it is possible to easily carry the device on the ground or the like by placing your hand there. Furthermore, since the wheel support parts 9a, 9a are connected at the lower part of the guide plate part 9b,
Sufficient support strength can be ensured, and since the wheel support parts 9a, 9a adjacent to each other in the longitudinal direction are provided apart from each other, the material of that part can be reduced and the weight can be reduced.

In this embodiment, both ends of the loading platform section 2 are formed with a downward slope to make it easier for the operator to sit down.However, on the contrary, if both ends of the loading platform section 2 are formed with an upward slope, the loading platform section It becomes possible to improve prevention of falling of various materials loaded in the section 2.

[Effect of idea]

As described above, the roofing trolley according to the present invention has a plurality of wheels, a loading platform that is capable of loading various materials used in roofing work, and a platform on which a worker can sit. , attached to the loading platform, and arranged on both sides of the tight frame at intervals in the arrangement direction of the tight frame fixed to the main roof so as to enable movement of the loading platform on the main roof. A plurality of wheel support parts that support each of the wheels individually, and a guide that is arranged at intervals slightly wider than the width of the tight frame and that is guided by the tight frame while straddling the tight frame. A hollowed part is formed in an area on the outer surface side of the guide plate in the loading platform part, and extends long along the guide plate and penetrates vertically.
The wheel support portion is provided so as to connect portions on both sides of the tight frame where the wheels are supported side by side.

This makes it possible to raise and lower the roofing cart at high places by, for example, tying a rope to the loading platform using the hollowed-out portion. Also,
The roofing cart can be easily transported on the ground or the like by placing a hand on the hollowed-out portion. As a result, the burden on the worker can be further reduced. Furthermore, by providing the hollowed-out portion in the loading platform, the weight of the roofing truck can be reduced. Furthermore, since the wheel support parts are connected by the guide plate part at the above-mentioned positions, sufficient support strength can be ensured while reducing the weight.

Therefore, by adopting the present invention, it is possible to provide a roofing cart that is easy to handle and highly practical.

[Brief explanation of the drawing]

Figures 1 to 8 show an embodiment of the present invention, in which Figure 1 is a side view of a roofing truck, Figure 2 is a plan view of the roofing truck, and Figure 3 is a roofing truck. A bottom view of the roofing cart, FIG. 4 is a sectional view taken along the line A-A in FIG. 2, and FIG. 5 is an explanatory diagram showing the roofing cart placed on the C channel.
Fig. 6 is a sectional view taken along line B-B in Fig. 2 and is an explanatory diagram showing the relationship with the tight frame, and Fig. 7 is an explanatory diagram showing the case where the roofing cart is used to transport the chevron-shaped folded plate. Fig. 8 is an explanatory diagram showing a case in which a roofing cart is repeatedly pulled and its wheels are used as rollers to send a chevron-shaped folded plate immediately after forming.
FIG. 9 is a perspective view showing the arrangement relationship among the beam, the C channel, the tight frame, and the chevron-shaped folding plate. 1 is a roofing truck, 2 is a loading platform, 3 is a hollowed-out part, 4 is a viewing window, 5 is a rubber plate, 9 is a wheel support plate,
9a is a wheel support part, 9b is a guide plate part, 11 is a wheel, 14 is a tight frame, 15 is a beam, 16 is C
17 is a chevron-shaped folding plate, and 18 is a molding machine.

Claims (1)

[Scope of utility model registration request] A loading platform that is capable of loading a plurality of wheels and various materials used in roofing work, and is formed so that a worker can sit on it; and a loading platform that is attached to the loading platform and is located on the main roof. a plurality of wheel support parts that individually support each of the wheels, which are arranged on both sides of the tight frame at intervals in the arrangement direction of the tight frame fixed to the main roof, so as to allow the movement of the tight frame; and guide plate portions disposed at intervals somewhat wider than the width of the tight frame and guided by the tight frame while straddling the tight frame, the outer surface of the guide plate in the loading platform portion. A hollowed-out portion is formed in the side region that extends long along the guide plate and penetrates vertically, while the guide plate portion is formed so that the wheels are lined up on both sides of the tight frame in the wheel support portion. A roofing cart characterized by being provided so as to connect parts to be supported.