JPH0522788B2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention can be installed movably at any location for use at work sites under adverse climate conditions such as rainy or hot weather. This invention relates to a shielding device for outdoor work that can be used for outdoor work.

(Conventional technology) Civil engineering work is sometimes carried out at a predetermined location outdoors, and these works cannot be carried out in bad weather conditions such as rain, snow, or blazing sun. Since there is a set construction period, if construction is to be carried out quickly, it is necessary to wear rain gear and sunshades.

In addition, in order to facilitate the above-mentioned work,
In some cases, temporary tents are constructed to cover the work area in advance in case of rain or scorching weather. Tents used for temporary construction like this are constructed by assembling a large number of pipe members to form a framework, then stretching tent cloth onto this and tying it with strings, and then pulling the entire frame to the ground with ropes to prevent it from being blown away by the wind. Fixed and constructed.

(Problem to be solved by the invention) If a worker wears rain gear or a sunshade while working without using a tent or the like in the workplace during bad weather, the rain gear may get in the way of the work. Needless to say, it reduces efficiency, but since these rain gear and sunshades only cover part of the body, they can come off or move during work, protecting the worker from rain or sunlight. The original purpose of doing so cannot be achieved.

Furthermore, when constructing a temporary tent, a large number of members are transported to a work site, and then predetermined personnel are employed to assemble the tent directly at the installation site, which takes time. For this reason, it is necessary to build the tent in advance regardless of the weather on the day of outdoor work, and if the weather conditions on the day are favorable, this tent will be wasted, and on the contrary, it is necessary to build the tent in advance. If this happens, it will start raining during the work and the outdoor work will have to be interrupted.

Furthermore, these temporary tents cannot be moved, so if the work site moves as the work progresses, it will be necessary to set up tents over a wide area that covers the entire work site, making it unrealistic. It wasn't something.

The present invention was made in view of the above circumstances, and its purpose is to quickly and easily construct an outdoor work area so that outdoor work can continue even if it rains during outdoor work. The purpose is to provide a shielding device for outdoor work.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention has a boom that is provided on a base and is extendable.
It is characterized in that an expandable arm is rotatably attached to both sides, and a shield can be attached to a locking body provided at the tip of the arm.

(Function) In the present invention, if necessary, a base is installed at a predetermined position close to an outdoor work place, a boom is extended above the setting place, and a shield is formed on this boom to cover the setting place. The shield can be constructed easily and quickly, and the shield constructed by the reverse procedure can be easily and quickly removed.

(Example) Next, an example of the present invention will be described in detail based on the accompanying drawings.

1 to 3 are diagrams showing a shielding device for outdoor work according to a first embodiment of the present invention. In the figure, reference numeral 1 denotes a shielding device for outdoor work, and a telescopic boom 3 is attached to the upper part of a base 2 so that it can extend and contract in the horizontal direction and can be raised freely by a hydraulic cylinder 2b. , 2a are provided and are movable.

The telescopic boom 3 has three booms 3 with different cross-sectional diameters.
a, 3b, and 3c, and when the shielding body 9 is stored, it is in a contracted state as shown in FIG. At the tip of each of the booms 3a, 3b, 3c, there is a pair of arms 4, 5, 6 extending on both sides.
is rotatably supported at one end by pins 7, 7, 7.

Between the base of each arm 4, 5, 6 and the tip of each boom 3a, 3b, 3c is a hydraulic cylinder 8, such as a hydraulic cylinder, whose both ends are rotatably supported.
8,... are arranged respectively, and by expanding and contracting this fluid pressure cylinder 8, the arms 4,
5 and 6 can be rotated around a pin 7 to open and close in the horizontal direction.

Furthermore, a shield 9 is provided at the tip of the arms 4, 5, and 6.
Locking bodies 4a, 5a, 6a are configured for locking the ends of the boom 3 of the telescopic boom 3 by attaching the ends of the shield 9 to the locking bodies 4a, 5a, 6a
Extend arms 4, 5, 6 by extending a, 3b, 3c.
The shield 9 is stretched in an open state.

The operation of this embodiment configured in this way will be explained.

Normally, the telescopic boom 3 is contracted, the arms 4, 5, and 6 are closed, and each arm 5, 5 is housed inside the adjacent boom 3a, 3b, and the shield 9 is wound up and placed on the base. 2 upper shield storage section 9
It is stored in a.

In rainy or scorching weather, move the device 1 to the place where work is to be done and
When the arms 4, 5, and 6 are opened after extending the arms 3b and 3c, the shield 9 is stretched, and the shield is constructed above the work area in front of the base 2 (see Figures 2 and 3). .

The boom 3a can be rotated in the horizontal direction, and the base 2 can be moved in the front and back directions, so even if the work place moves as the work progresses, the boom 3 and the base 2 can be moved as appropriate. It can be easily handled by simply moving.

In this embodiment, the shield 9 is usually wound around the shield housing 9a on the base 2 as described above, and when in use, the tip is attached to the locking body 6a at the end of the arm 6 of the boom 3c. 6a, and then the boom 3 is extended and the arm is opened to automatically install the shield. However, the present invention is not limited to this. Okay, above boom 3
After the arms 4, 5, and 6 are extended, the ends of the shield 9 can be locked and stretched by the locking bodies 4a, 5a, and 6a of each arm. Furthermore, the center portion of the shield 9 can be opened and closed using a zipper, making it easy to attach, detach, or store.

The shield storage section 9a is horizontally rotatable, and when the base 2 is traveling, the shield storage section 9a stores the shield and moves to the second
By rotating it 90 degrees from the position shown in the figure and aligning it parallel to the direction of movement of the base 2, it will not cause any obstruction while traveling.

Further, the number of arms is arbitrary, and only one arm may be provided at the tip of the boom 3. Furthermore, it goes without saying that the height and area of the shield 9 can be changed as appropriate depending on the working conditions.

Construction of such a shield 9 is performed by extending the telescopic boom 3 and further opening the arms 4, 5, and 6, which requires less manpower and equipment for constructing the shield, and is extremely quick. Because it can be built in time,
Even if it suddenly rains while working outdoors, the work can be continued without interruption, so there is no delay in the construction period. Further, since the shielding body 9 can cover a fairly wide area of the work place, the worker can work in a good working environment regardless of the weather.

Note that the base 2 may not be provided with wheels 2a, 2a for transportation so that it can be transported by another vehicle.

FIG. 4B to FIG. 6 are diagrams showing a second embodiment of the present invention. In this embodiment, the shielding body 9 is provided inside each of the arms 3a, 3b, 3c in housings 30, 3, without using the shielding body housing 9a of the first embodiment.
It is wrapped and stored in 0.

This storage section 30 includes a shaft 6m to which an end of the shield 9 is fixed, and a winding mechanism 5g for the shield 9.

Guide grooves 4c, 5 are provided on the sides of the arms 4, 5, 6.
c and 6c, and inside thereof is a guide body 5 that guides the guide groove fixed to the tip of the shield 9.
d is slidably provided.

When using this embodiment, arms 4, 5, 6
is expanded, and both ends of the shield 9 are pulled out along the guide grooves 4c, 5c, 6c formed on the sides of the arms 4, 5, 6. And the locking body 4a at the tip of the arm,
The tip of the shield 9 is locked to 5a and 6a. When stored, the shield 9 is removed from the locking bodies 4a, 5b, 6c and wound up within the boom 3 by the winding mechanism.

In the first and second embodiments described above, the shielding body 9 is not only made of ordinary cloth, but also a sheet-like body made of other materials can be used. Furthermore, in the second embodiment, not only a sheet-like material but also a metal shutter can be used.

Another example shown in FIG. 7 is one in which two devices shown in the first or second embodiment are arranged facing each other, and the tip of the extended boom is engaged with an engaging member 3d such as a pin. . This example is effective when the workplace has a large area, and has the advantage that the device can be stably arranged. Note that the base 31 of the boom 3 is rotatable.

FIG. 8 and FIG. 9 are diagrams showing a third embodiment of the present invention. In this embodiment, the shielding body 9a is
It consists of a removably attached structure. This shield 9a has a structure in which a tent is stretched over a frame 11, and is detachably and rotatably supported on a base by booms 12 and 15. The frame 11 is square or rectangular, and has a frame 11a and a frame 11b.
is rotatably supported via a support shaft 13, and a frame 11c is rotatably supported by the frame 11b via a support shaft 14.

When in use, the shield 9a is installed by attaching the frame 11 to the booms 12, 15 of the base 2, and the height, position, etc. are set as appropriate by expanding and contracting the booms 12, 15. When storing the shield 9a, the frame 11 is removed from the booms 12, 15 and the respective frames 11a, 11b, 11c are folded, so that the shield 9a can be stored inside the base 2.

10 and 11 are diagrams showing a fourth embodiment of the present invention. In this embodiment, instead of the detachable mechanism of the frame 11 of the third embodiment, the frame 11 is
can be folded into three at joints 11m, 11m... Further, the base 31 is rotatable and can be stored on the base 2 after the frame 11 is folded. Further, the frame body 11 has three parts as in this embodiment.
It is not limited to folding, but can be folded into any number of shapes by changing the number or position of the joints 11m. Therefore, in this embodiment, the blocking body can be stored compactly and the work when moving it is easy.

(Effects of the Invention) As explained above, in the present invention, a telescopic boom is provided on the base and a shield is formed on this boom. For example, even if it rains, a shield can be quickly constructed. Therefore, rainy weather
Even in bad weather such as snowfall or blazing sun, you can work comfortably under the shield without being affected by the weather, and the construction and movement of the shield is extremely easy and quick, preventing delays in construction and reducing labor costs. Conditions can be improved.

[Brief explanation of the drawing]

The drawings show embodiments of the present invention; FIG. 1 is a side view of the first embodiment in the shielding state, FIG. 2 is a plan view of the shield in a stretched state, and FIG. 3 is the same. A side view, FIG. 4 is a plan view of the second embodiment with the shield stretched, FIG. 5 is a side view of the same shield stretched, and FIG. 6 a is an enlarged view of FIG. 4. cross section,
Fig. 6b is an enlarged schematic sectional view taken along the line - in Fig. 4, Fig. 7 is an explanatory view showing another example, Fig. 8 is a side view of the third embodiment in a state in which the shield is stretched, and Fig. 9 is FIG. 10 is a side view of the shield of the fourth embodiment in a stretched state, and FIG. 11 is a side view of the same shield in a folded state. 1... Shielding device for outdoor work, 2... Base, 3,
18... Telescopic boom, 9, 9a, 9b... Shielding body.

Claims (1)

[Scope of Claims] 1. An arm formed to be extendable on both sides is rotatably attached to the tip of a boom provided on a base and formed to be extendable, and a shield is attached to a locking body provided at the tip of the arm. A shielding device for outdoor work, characterized in that it can be installed. 2. The shielding device for outdoor work according to claim 1, wherein the shielding body has an end portion removably attached to a locking body provided at the tip of the arm. 3. The shielding device for outdoor work according to claim 1, wherein the boom has a frame attached to its tip, on which a shield is stretched and a foldable joint is provided at a predetermined position. .