JPH07217219A - Roof structure for construction site - Google Patents

Abstract

PURPOSE:To obtain a roof structure cutting off rain water to place concrete, in which construction materials can be brought in and out from the upper part of roof to the concrete-placing face even in rain and the construction works are not disturbed by transferring vehicles. CONSTITUTION:Divided roofs 10A constituting an opening/closing roof 10 are constructed so as to extend from the roof body 9 to the outer side than the legs 3 and an air curtain type mechanism 13 is provided to blow out rain toward the opening 10a of the divided roof 10A opened for bribing-in and -out construction materials. The placed face L of concrete is prevented from rain falling by the respective divided roofs 10A and the air curtain mechanism 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof device used at a construction site for intercepting rainfall (or snowfall) at the construction site.

[0002]

2. Description of the Related Art In recent years, roofing equipment has been used for the purpose of improving the working environment, ensuring construction quality, shortening the construction period, etc., at construction sites such as buildings and dams, especially at concrete pouring sites where it is difficult to be affected by rainwater. It has been carried out to install concrete without being affected by the weather.
As a roof device of this type, a structure is proposed in which a roof provided with an opening / closing part is hung on the upper end of the leg part and is movable by a traveling means such as wheels or crawlers mounted on the lower end part of the leg part. When it does not rain, open the opening / closing part and use a crane to load / unload materials and equipment from / to the concrete pouring site under the roof through the opening, and close the opening / closing part in case of rain. There is.

[0003]

In the openable roof as described above, since the openable part of the roof remains closed in the case of rain, it is impossible to carry in and out the equipment and the like from above the roof with a crane. And because of this,
This leads to dissatisfaction with the limited work contents. In particular, when the concrete pouring work is performed by a bucket suspended from a crane, the concrete pouring work cannot be performed at all. Also, with the use of traveling means along with concrete pouring, the work will be gradually advanced,
These running means may roll on uncured concrete immediately after pouring, which has an adverse effect on construction quality and stability of the entire roof apparatus.

The present invention has been made in view of the above circumstances, and it is possible to carry in and carry out materials and equipment from the upper side to the construction site even when it is raining, and there is no adverse effect of the traveling means for movement. It is intended to provide a roof device for a vehicle.

[0005]

The roof device for a construction site of the present invention has been made in order to achieve the above-mentioned object, and a leg portion which is erected at the construction site is provided with air or the like toward the construction site. Equipped with a fluid type roof mechanism that ejects the fluid from approximately the lateral direction, or installs the roof by covering the construction site on the legs that can be erected at the construction site, and opening and closing the roof on the roof body. Is provided so as to be openable and closable, and at least one of the roof body and the opening / closing roof part is provided with a fluid roof mechanism for ejecting a fluid such as air from a substantially lateral direction toward an opening formed when the opening / closing roof part is opened. It was installed.

The above are the basic means. In addition to these, the leg is equipped with a traveling means such as a wheel or a crawler for traveling at the construction site, and the leg is provided with a vertically extending / contracting mechanism. It may be configured. Further, in the roof device equipped with the traveling means, if the opening / closing roof part is configured such that the plurality of divided roof parts individually project outward from the legs, the construction site is affected by the legs. You don't have to.

Further, the fluid roof mechanism may be provided with a current plate for adjusting the jetting direction and the jetting range of the fluid, or an adjusting mechanism for adjusting the jetting speed of the fluid.
Furthermore, a flexible sheet-shaped roof material may be provided in the vicinity of the fluid ejection port in the fluid roof mechanism so that the roof material extends above the construction site as the fluid is ejected. In addition, a shielding material that covers the lateral space between the legs may be provided to prevent rain from blowing in from the side.

[0008]

According to the present invention, a fluid roof mechanism for ejecting a fluid such as air from a substantially lateral direction to a construction site is provided on a leg portion of the roof so that the fluid does not require a general roof facility. As an alternative to, it is possible to bring in equipment and materials from above while blocking the rain during rainy weather. In addition, when a roof is installed to cover the construction site on the legs, and the roof body is provided with an openable and closable roof part that can be opened and closed, and when at least one of the roof body and the openable and closable roof part opens If a fluid roof mechanism that ejects a fluid such as air from a substantially lateral direction is installed toward the formed opening, the opening and closing roof will be opened in rainy weather and the fluid roof mechanism will open toward the opening. By ejecting a fluid such as air, it is possible to bring in equipment and materials from above the roof while blocking rain.

Further, if the open / close roof is constructed so that each of the plurality of divided roofs independently projects outward from the legs, and construction is carried out under the projecting divided roofs, the site is constructed. Is not affected by the legs. At this time, in order to lower the material and equipment from above to the site, for example, one split roof is opened and the material and material are lowered from the opening while ejecting fluid from the fluid roof mechanism to the opening.

Further, if the legs are provided with traveling means, it can be applied while traveling on a large horizontally spread construction site such as dam body work, and if the legs are provided with a vertically extending mechanism. It can be applied to upward construction such as building construction.

Further, if the fluid roof mechanism is provided with a straightening vane for adjusting the jetting direction and the jetting range of the fluid, or an adjusting mechanism for adjusting the jetting speed of the fluid, it is possible to obtain the optimum fluid according to the rainfall situation. The jet direction, jet range, and jet speed can be set, and the rain can be efficiently blown off to prevent the rain from falling to the site. Further, when a flexible sheet-shaped shielding material is installed near the fluid outlet in the fluid roof mechanism so that the shielding material can extend above the construction site,
As the fluid is ejected, the shielding material is pulled up in the direction of the fluid ejection to cover the upper part of the construction site, and the shielding material blocks rainfall to the construction site. Furthermore, by providing a shielding material that covers the lateral space between the legs, it is possible to prevent rain from blowing in from the side.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 show a state in which a dam bank is constructed by concrete pouring by the roof device 1 of the embodiment, for example. The roof device 1 includes a roof 2 that is rectangular and horizontally installed, a leg portion 3 that is fixed to four corners of the roof 2 and hangs down, and a concrete placing auxiliary device 4 or 5 provided on the lower surface of the roof 2. , 6 are mainly configured, and the concrete placing surface is set under the roof 2 while traveling toward one side in the longitudinal direction of the roof 2 (construction site).
It is a device that pours concrete into L. The arrow (a) in FIG. 1 indicates the traveling direction of the roof apparatus 1, and the directions such as front, rear, left and right are defined as based on this traveling direction in the following description. The roof 2 is supported by a beam 7 made of a truss structure material. The beam 7 in this case has a pair of main beams 8a extending in the front-rear direction and a plurality of reinforcements extending in the left-right direction and connecting the main beams 8a. The reinforcing beam 8b is composed of a beam 8b and is disposed at the front and rear ends of the main beam 8a and at a fixed interval therebetween.

The roof 2 is provided with a roof body 9 which is hung and fixed on the upper side of a beam 7, and a roof body 9 which is arranged below the roof body 9 and which is located on one side in the left-right direction of the roof body 9 (in this case, on the right side in the advancing direction). ) And an openable / closable roof portion 10 composed of a plurality of divided roof portions 10A. Split roof 10A
Is a rectangular shape that is hung between a pair of adjacent reinforcing beams 8 and is slidable along a rail (not shown) installed on the lower surface of the reinforcing beams 8 and below the roof body 9. When it is projected outside from the state of being stored in, it is independently projected horizontally outside the front and rear legs 3 on the projecting side. The front and rear split roof parts 10A
Are supported by rails 11 arranged on the extension of the reinforcing beams 8 at the front and rear ends. It is set so that there is no gap in the vertical direction between the divided roof portions 10A. Here, in the split roof portion 10A, the overhang state is defined as closed, and the state housed under the roof body 9 is defined as open,
The portion covered with the projecting divided roof portion 10A is set as the concrete placing surface L.

A pair of left and right rails 12 extending in the front-rear direction is laid across the front and rear ends on the upper surface of the roof main body 9 on which the open / close roof part 10 (each divided roof part 10A) extends, and air ( A fluid type roof mechanism 13 is movably installed along the rail 12. As shown in FIGS. 3 and 4, the air type roof mechanism 13 includes a plurality of ducts 14 for accommodating fans (not shown), and the fans are rotated by a generator 15 installed on the roof body 9. The opening and closing roof part 1 is used for the blowing direction of the blown air generated by the rotation of the fan.
It is set so that it is approximately horizontal to the upper part by about 20 degrees toward the overhang direction of 0. Outlet 14 of duct 14
A plurality of laterally extending rectifying plates 16 are rotatably attached to the a in the horizontal direction. The rectifying plates 16 are appropriately rotated to set their positions, whereby the air ejection direction is set. In addition, the vertical ejection range is adjusted. Further, by changing the pitch (angle) of each blade of the fan, the air ejection amount per unit time, that is, the air ejection speed can be adjusted.

According to the air type roof mechanism 13 having the above structure,
Basically, the rain falling on the portion corresponding to one split roof portion 10A is blown further outward than the portion covered by the split roof portion 10A, and the jet air functions as a substitute for the roof,
It acts so that rain does not fall below it. This blow-off action can be efficiently performed by setting the direction and ejection speed of each straightening vane 16 to optimum conditions according to the rainfall situation, that is, the amount and direction of rainfall.

When carrying out concrete pouring work, water accumulated on the concrete pouring surface L is removed especially during rainfall, and immediately after that, the water remaining therein is recovered and removed, and thereafter the concrete pouring is carried out. A series of processing operations such as laying mortar on the installation surface L, adding concrete, compacting, and cutting joints are required. Here, in the roof device 1 of the present embodiment, the auxiliary devices for concrete placing 4, 5 ,,
6, that is, a water removing roller 4 for removing water, a mortar leveling device 5, and a concrete compaction device 6 are provided as follows.

First, the water removing roller 4 is rotatably supported by a rod 17 hanging from the front rail 11 and a rod 18 supported by the leg portion 3 and extending laterally. The water removing roller 4 can first remove the water on the concrete placing surface L.

Further, a pair of left and right rails 19 extending in the front-rear direction are fixed to the lower surfaces of the main beam 8a and the reinforcing beams 8b on the side where the opening / closing roof 10 extends so as not to impede the sliding operation of the opening / closing roof 10. In this case, three swivel bases 20 are provided movably along the rails 19,
A boom is installed on these swivel bases 20 so as to swivel along a horizontal plane. The boom 21 has a base portion 22 rotatably attached to the swivel base 20 via a vertical shaft (not shown), and a base end side boom 23 is pin-connected to the base portion 22. Pin-jointed two-joint type that vertically expands and contracts from hydraulic cylinders 25 and 26 that are passed over the base portion 22 and the base end side boom 23 and between the base end side boom 23 and the tip end side boom 24, respectively. Is. The boom 21 is swiveled with respect to the swivel base 20 along a horizontal plane, and is movable together with the swivel base 20 along the rail 19 over the front and rear ends of the beam 7.

The boom 24 on the tip side of the boom 21
The spreader 5 or the compacting device 6 is detachably attached to the tip of the via a bracket 27 to which a pin is connected. In this case, the spreader 5 is attached to one boom 21 on the front side, and the compaction devices 6 are attached to the two booms 21 on the rear side.

As shown in FIG. 5, the spreader 5 spreads the mortar supplied from the supply pipe 28 into the distribution box 29.
It is configured to be discharged from a plurality of nozzles provided below a distribution box 29 that is vibrated by a hydraulic drive source provided in the base portion 22. Further, in the compaction device 6, as shown in FIG. 6, a plurality of rod-shaped vibrators 31 are vibrated by a hydraulic drive source provided in the base portion 12, and the concrete around the inserted rod-shaped vibrators 31 is compacted. It is a configuration. The bracket 27 extends from the base 22 to the bracket 2 regardless of the angle of the boom 21.
The horizontal posture is maintained by the link mechanism 33 passed over 7, so that the distribution box 29 is always kept horizontal and the bar-shaped vibrator 31 is always kept downward. The boom 21 is set so as to reach the concrete placing surface L covered with the opening / closing roof portion 10 on which the respective devices 5 and 6 at the tip of the boom 21 are extended obliquely downward. Further, on the concrete placing surface L covered with the projecting open / close roof portion 10, the concrete bucket 34 suspended from the crane descends from above, and concrete is poured from the concrete bucket 34.

In the case of this embodiment, the water which cannot be removed by the water removing roller 4 and which remains is collected by the self-propelled water absorbing roller 35.
A joint cutting plate 37 is provided at the tip of the backhoe device 36 on the casting surface after removing and compacting the concrete, and the joint cutting is performed by burying the joint plate material attached to the joint cutting plate 37 in concrete. The device 38 performs joint cutting processing.

Next, regarding the leg portion 3, the leg portion 3 is
A pair of front and rear wheels (traveling means) 40 are attached to the lower end of a hollow pedestal 39 integrated with the beam 7, a cylinder type jack 41 is housed inside the pedestal 39, and an outrigger 44 is provided at the lower end of the jack 41. Has a fixed configuration. In the jack 41, a movable side 43 is vertically movably inserted into an upper fixed side 42 fixed to a pedestal 39, and an outrigger 44 penetrating the pedestal 39 is fixed to a lower end of the movable side 43. When the movable side 43 is further extended from the state where the outrigger 44 is in contact with the ground, the wheels 40 are adapted to float from the contact surface. Further, although the wheels 40 have a pair of front and rear structures in the figure, they are integrally rotatable horizontally so that the direction can be changed. When the direction is changed, the jack 41 may be extended to float the wheels 40 as described above, and then the wheels 40 may be oriented in the traveling direction. The wheels 40 are rotatably driven by an engine (not shown) or the like, whereby the entire roof device 1 moves by itself. In addition, a curing sheet (shielding material) 60 that covers the opening is provided at the opening in the front, rear, left, and right lateral spaces of the roof device 1 as necessary. This curing sheet 60 prevents rain from blowing in from the side.

The above is the roof apparatus 1 of the present embodiment, and the operation of the roof apparatus 1 will be described below on the basis of placing concrete on the concrete placing surface L in the rainy weather. First, all the divided roof portions 10A are overhanged to be in a closed state, and the roof device 1 is extended by the length of the roof 2.
Water is removed from the concrete placing surface L by the water removing roller 4 while advancing the water absorption roller 35.
To collect and remove the water remaining on the concrete placing surface L.
Concrete is placed on the concrete placing surface L which is covered with the open / close roof 10 and is shielded from rain.

Next, the mortar spreader 5 spreads the mortar. For this purpose, the boom 21 to which the spreading and leveling device 5 is attached is moved forward along the rails 19, and the boom 21 is appropriately undulated and swung at that position to evenly spread the mortar. Next, only the divided roof portion 10A corresponding to the position where the concrete bucket 34 is lowered is housed in the lower side of the roof main body 9 to be in the open state, and all the other divided roof portions 10A are projected and left in the closed state. .
Along with this operation, the air type roof mechanism 13 is moved to be stopped at a position corresponding to the split roof portion 10A in the open state, and the air type roof mechanism is directed toward the opening 10a by the non-overhanging split roof portion 10A. Air is jetted from 13 to blow the rain falling on the opening 10a outward so that the rain does not drop on the concrete placing surface L below the rain. Then, from the opening 10a to the concrete bucket 34
Down to put fresh concrete on the mortar, and compactor 6 against this fresh concrete.
Then, the concrete is compacted, and the joint cutting device 38 follows the joint cutting in the left-right direction. Similarly to the spreader 5, the compaction and joint cutting work is also performed by moving the boom 21 along the rail 19 and raising / lowering / turning the same. At that time, the boom 21 is appropriately undulated so that the booms 21 do not interfere with each other.

When the concrete thus placed is cured so as not to be affected by rainwater, the roof device 1 is advanced to open and close the next concrete placing surface to the opening / closing roof portion 1
Cover with 0, and cast concrete on the casting surface exactly as above.

When concrete is sequentially placed on each of the concrete placing surfaces covered with the roof apparatus 1, there is no escape area for the roof apparatus 1 at the final stage when most of the surfaces to be placed are placed. In this case, as shown in part B of FIG. 2, concrete is placed below the roof main body 9 and the outriggers 44 of the legs 3 are particularly extended to float the wheels 40 above the placing completion surface. In this state, concrete is placed so that a small box removing part 46 is formed around the outrigger 44. Concrete is poured into the box removing section 46 when it does not rain.

According to the roof apparatus 1 of the present embodiment described above, in case of rain, one split roof portion 10A constituting the open / close roof portion 10 is projected and the other split roof portions 10A are projected, and the openings of the portions which are not projected. By ejecting air from the air type roof mechanism 13 toward the portion 10a, the opening 10
The rain falling on a is blown off by the jet air, and the rain does not drop on the concrete pouring surface L below the opening 10a on the site, and the concrete pouring surface L of the other part is opened by the projecting opening / closing roof part 10. Prevents rainfall. Therefore, with no rain on the entire concrete placing surface L, the opening 10a
Equipment from above (in this case, concrete bucket 3
4) can be delivered to the site. Further, since the lower portion of the projecting open / close roof portion 10 is set as the concrete placing surface L, the wheels 40 of the leg portions 39 do not rest on the uncured concrete immediately after the placing, resulting in the construction quality. Is maintained, and stable traveling of the entire roof apparatus 1 is realized.

Further, the air type roof mechanism 13 is provided with a straightening vane 16 for adjusting the jetting direction and the jetting range of the air, and the blade pitch can be changed so that the jetting speed and the jetting amount of the air can be adjusted. It is possible to set the optimum jet direction, jet range, jet speed, etc. of air according to the above condition, and it is possible to efficiently blow away the rain and prevent the rain from falling onto the concrete placing surface L.

In the above embodiment, as shown in FIGS. 7 and 8, the pneumatic roof mechanism 1 in the roof body 9 is used.
A flexible sheet-like roofing material 50 may be installed near the air ejection port 3 so that it can extend above the concrete placing surface L. The roofing material 50 is pulled up by the air ejected from the air type roof mechanism 13 to be in a substantially horizontal state, covering the upper part of the concrete placing surface L and blocking rain.

According to the invention, the roof body 9,
The roof 2 consisting of the open / close roof 10 is not provided, and an appropriate number of air type roof mechanisms 13 are provided at the upper ends of the legs 3, and the inside of the beams 7 and above the concrete placing surface L are provided from these air type roof mechanisms 13. You may make it spout air toward and prevent falling of rain. In other words, the air is blown out to replace the roof.

Further, although the air type roof mechanism 13 is for ejecting air, it may be replaced with a mechanism for ejecting water or a fluid such as water and compressed air. In that case, a mechanism including a high-pressure pump, a compressor, a slit-type nozzle, and the like instead of the fan and the rectifying plate 16 is provided.

Further, although the roof device 1 of the above embodiment has the traveling direction as one direction, it is obvious that the workability can be improved if the vehicle can run forward and backward.
The auxiliary equipment for concrete pouring such as the dewatering roller 4, the leveling device 5, and the compacting device 6 may be arranged symmetrically in the front and rear so that the concrete pouring work can be performed in order from either front or rear.

The roof apparatus 1 of the above embodiment is a traveling type roof apparatus suitable for use when constructing dam dam bodies by concrete pouring, but the present invention is not limited to this. For example, it can be applied to a roof device for building construction, and in this case, a vertically extending / contracting mechanism may be provided so that the legs extend in accordance with the upward construction.

[0034]

As described above, the construction site roof apparatus according to the present invention has a general structure in which the legs are provided with the fluid roof mechanism for ejecting a fluid such as air from the lateral direction toward the construction site. The roof can be constructed without the need for a typical roof facility, and therefore, in rainy weather, it is possible to bring in equipment and materials from above while blocking the rain, and as a result, the construction time will be prolonged due to rainfall. Will be resolved. Also, install a roof covering the construction site on the legs,
An openable and closable roof portion is provided on the roof body so as to be openable and closable, and a fluid such as air is jetted from a substantially lateral direction toward an opening formed when the opening and closing roof portion is opened on at least one of the roof body and the opening and closing roof portion. If the fluid roof mechanism is installed, the opening and closing roof will be opened and the fluid such as air will be ejected from the fluid roof mechanism toward the opening in rainy weather to block the rain from above the roof. The equipment can be brought to the site, and as a result, it is possible to avoid the problem that the construction time is prolonged due to rainfall.

If the legs are provided with running means such as wheels or crawlers, it can be applied while running on a large horizontally spreading construction site such as dam body construction.
If the legs are provided with a vertical expansion / contraction mechanism, it can be applied to upward work such as building construction.

Further, if the opening / closing roof portion is constructed so that each of the plurality of split roof portions independently projects outward from the leg portions, and construction is performed under the projecting split roof portions. The site is not affected by the legs, and when the construction work is concrete pouring, the pouring quality is maintained.

Further, if the fluid roof mechanism is provided with a current plate for adjusting the ejection direction and ejection range of the fluid or an adjusting mechanism for adjusting the ejection speed of the fluid, it is possible to obtain the optimum fluid in accordance with the rainfall condition. The jet direction, jet range, and jet speed can be set, and the rain can be efficiently blown off to prevent the rain from falling to the site. Further, when a flexible sheet-shaped shielding material is installed near the fluid outlet in the fluid roof mechanism so that the shielding material can extend above the construction site,
Along with the jet of the fluid, the shielding material is pulled up in the direction of the jet of the fluid to cover the upper side of the construction site, and the shielding material blocks the rainfall to the construction site and promotes the rainfall blocking action. Furthermore, by providing a shielding material that covers the lateral space between the leg portions, it is possible to prevent rain from blowing in from the side.

[Brief description of drawings]

FIG. 1 is a perspective view of a moving roof according to an embodiment of the present invention.

FIG. 2 is a perspective view of the same in different directions.

FIG. 3 is a schematic side view of the same.

FIG. 4 is a schematic plan view of the same.

FIG. 5 is a front view of a spreader.

FIG. 6 is a front view of the compaction device.

FIG. 7 is a schematic side view of another modification of the present invention.

FIG. 8 is a schematic plan view of the same.

[Explanation of symbols]

 1 Roof Device 2 Roof 3 Leg 9 Roof Main Body 10 Opening / Closing Roof 10A Divided Roof 10a Opening 13 Air (Fluid) Roof Mechanism 16 Rectifier 40 Wheels (Running Means) 50 Roofing Material L Concrete Placing Surface (Construction Site) )

 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Yoichi Fukumoto 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Ken Takahata 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Takuro Odawara 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Tomio Kishino 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd.

Claims (10)

[Claims] 1. A roof device for blocking rainfall to a construction site, wherein fluid such as air is jetted from a substantially lateral direction toward a construction site on a leg portion standing on the construction site. A roof device for construction sites, which is equipped with a mechanism. 2. A roof device for blocking rainfall to a construction site, wherein a leg installed upright at the construction site covers the construction site, and the roof is installed. Is a fluid type in which at least one of the roof body and the opening / closing roof part ejects a fluid such as air from a substantially lateral direction toward an opening formed when the opening / closing roof part is opened. Roof equipment for construction sites, which is equipped with a roof mechanism. 3. The roof device for a construction site according to claim 1, wherein a traveling means such as a wheel or a crawler for traveling on the construction site is attached to the leg portion. 4. The roof device for a construction site according to claim 1, wherein the leg portion is provided with a vertically extending / contracting mechanism. 5. The roof device for a construction site according to claim 2, wherein the opening / closing roof portion is configured such that each of the plurality of divided roof portions individually projects outward from the legs. . 6. The roof apparatus for a construction site according to claim 1, wherein the fluid type roof mechanism is provided with a current plate for adjusting a jetting direction and a jetting range of the fluid. 7. The roof apparatus for a construction site according to claim 1, wherein the fluid roof mechanism is provided with an adjusting mechanism for adjusting the ejection speed of the fluid. 8. A flexible sheet-like roof material is provided in the vicinity of a fluid ejection port in a fluid roof mechanism such that the roof material can extend above a construction site. The roof device for a construction site according to claim 1 or 2. 9. The roof apparatus for a construction site according to claim 1, wherein the leg portion is provided with a shielding material that covers a lateral space between the leg portions. 10. The roof apparatus for a construction site according to claim 2, wherein the leg portion or the roof is provided with a shielding material that covers a lateral space between the leg portions.