JP2541720B2 - Temporary roof structure and its operation method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary roof structure and a method of operating the structure, which covers a building under construction so that construction work can be performed even under rain, heat and cold.

[0002]

2. Description of the Related Art Conventionally, as a temporary roof structure of this type,
There is one such as that described in Japanese Patent Publication No. 52-16644. In this temporary roof structure, pillars are erected on both sides of the building to be built, beams are passed over the upper ends of the pillars, a fixed temporary roof is provided leaving a predetermined space between the beams, and the horizontal direction is set on the beams. It is provided with a movable temporary roof. Then, by moving the moving temporary roof horizontally, the material is lowered from the space between the generated beams,
When a building is built and materials need not be carried in, the building under construction is covered with a fixed temporary roof and a moving temporary roof to protect the site of construction work from rainfall, extreme heat, and extreme cold.

[0003]

However, in the above-mentioned temporary roof structure, the temporary roof is fixed to the upper ends of the columns through the beams so that the height of the temporary roof is higher than the height of the building at the time of completion. There is a problem that the height of the temporary roof becomes higher than the height of the building on the way. That is, assuming that the height of the building at the time of completion is the 5th floor, the temporary roof will be installed at a height higher than the height of the 5th floor at the time of completion, so during construction of the 1st floor and 2nd floor, for example, Will result in a gap between the height of the building under construction and the height of this temporary roof. In this way, with this temporary roof structure, it is necessary to make it higher than the height of the building from the beginning, so construction of the temporary roof involves work at high places, which is dangerous and difficult, and the cost of temporary installation is high. There's a problem.

Further, since this temporary roof structure is higher than the height when the building is completed from the beginning, it cannot be integrated with the building at an early stage in the middle of construction of the building and its stability is poor. There's a problem.

Furthermore, in this temporary roof structure, since the height of the temporary roof is higher than the height when the building was completed from the beginning, it is dangerous because a strong wind is received from the lower side of the temporary roof during a typhoon. There's a problem.

Therefore, an object of the present invention is to provide a temporary roof structure which requires less work at a high place during construction, is less dangerous and difficult, and has a low temporary cost. Further, the object of the present invention is to make the height of the temporary roof a little higher than the height of the building under construction so that it can be integrated with the building to enhance the stability, and it does not receive strong wind from below even during a typhoon. To provide a temporary roof structure that can be done.

[0007]

In order to achieve the above object, the temporary roof structure according to claim 1 is provided with a plurality of pillars erected at appropriate intervals on both sides of a building to be constructed, and An elevating device that elevates and descends along columns, a beam that elevates and lowers supported by the plurality of elevating devices, a fixed temporary roof installed with a predetermined space left between the opposing beams, and a horizontal direction on the beam. It is characterized by having a movable temporary roof which is movably provided and can cover the space.

According to a second aspect of the present invention, there is provided a temporary roof structure in which a plurality of columns are erected at appropriate intervals on both sides of a building to be constructed, an elevating device for moving up and down along the columns, and It is characterized in that it is provided with a beam that is supported by a plurality of lifting devices and that moves up and down, a temporary roof that is erected between the beams that face each other, and a detection means that detects the same level in steps of each lifting device. .

Further, in the operating method for the temporary roof structure according to claim 3, in the temporary roof structure, it is confirmed based on the output of the detecting means that all of the plurality of lifting devices are at the same level, and then, It is characterized in that a plurality of lifting devices are raised or lowered stepwise so as to be at the same level at the same time while referring to the output of the detection means.

[0010]

In the temporary roof structure according to the first aspect of the present invention, at the initial stage of building the building, the elevating device is lowered, the beams supported by the elevating device are arranged near the ground, and the fixed temporary roof and the temporary movement between the beams are performed. By providing the roof, the fixed temporary roof and the moving temporary roof can be easily provided without requiring work at a high place. Therefore, construction of this temporary roof structure does not require work at high places, eliminates danger and difficulty, and reduces temporary construction costs. In addition, as the building under construction becomes taller, the height of this temporary roof is gradually raised to a height slightly higher than that of the building to eliminate the gap between the height of the building and the temporary roof, The roof structure can be connected and integrated with, for example, a stay to increase the stability of the temporary roof structure. Further, since this temporary roof structure can reduce the gap between the building under construction and this temporary roof, it is possible to prevent the temporary roof from receiving strong winds during a typhoon.

It is possible to move the temporary moving roof and carry the material from above to the construction site through the created space.

The temporary roof structure according to claim 2 has the same structure as that of claim 1 except that there is no moving temporary roof, and therefore the material can be carried in from above. Has the same effect as. Further, referring to the output of the detection means for detecting that the lifting devices are at the same level, each lifting device can be controlled to be at the same level, and the temporary roof can be controlled in a horizontal state. It is possible to prevent the beams and beams from being exposed to dangerous force.

In the method for operating the temporary roof structure according to claim 3,
First, after it is confirmed that the plurality of lifting devices are at the same level, the plurality of lifting devices are simultaneously raised in stages so that they are at the same level. Therefore, during lifting of the lifting device, no dangerous force is applied to the columns and beams, and the entire temporary roof can be quickly raised or lowered.

[0014]

The present invention will be described in detail below with reference to the embodiments shown in the drawings. FIG. 1 shows a perspective view of the temporary roof structure of this embodiment. Reference numeral 1 is a building under construction, 2 is a pillar standing on both sides of the building 1 at regular intervals, 3 is an elevating device provided on the pillar 2 so as to be vertically movable, 5 is a beam supported by the elevating device 3, and 7 is Beam 5,
A fixed temporary roof provided with a part of the space 6 left between the 5 and 8, a movable temporary roof that can move horizontally on the beams 5 and 5, and 9 is a material 10 used for the building 1 under construction from the space 6 It is a crane to unload.

As shown in FIGS. 2, 3 and 4, the pillars 2 are erected on the outside of the scaffolds 11 provided on both sides of the building 1 under construction at a regular intervals of 5 pieces each. The column 2 is fixed to the foundation 2. The pillar 2 is, as shown in FIGS.
It is constituted by a truss, and the height of the pillar 2 can be increased by connecting the respective elements of the truss 2 upward as the building 1 is constructed. The columns 2 are connected to the building 1 under construction by stays 19 to increase the stability of the columns 2.

As shown in FIGS. 5 and 6, the elevating device 3 has a box-shaped structure, and the columns 2 are arranged in an outer portion of the building 1 at approximately half of the box-shaped main body 15. However, the inner half of the box-shaped main body 15 projects toward the building 1.
Above the part of the main body 15 projecting toward the building 1, a stand 18 for mounting the beam 5 is provided. A guide roller 17 provided on the main body 15 of the lifting device 3 is fitted to the channel-shaped guide rail 16 provided on the support column 2 so that the lifting device 3 can be smoothly moved up and down. A rack 20 is fixed to the center of the side surface of the pillar 2 on the side of the building 1, and a pinion 21 that meshes with the rack 20 is provided in the lifting device 3. The pinion 21 is rotated by a motor 22 provided in the lifting device 3 via a speed reducer 23 so that the lifting device 3 can be raised or lowered. Although not shown, the motor 22 or the speed reducer 23 has a built-in brake device. By fixing the pinion 21 with this brake device, the lifting device 3
Is fixed in place.

A limit switch 25 is fixed to the elevating device 3, and the limit switch 25 detects trapezoid dogs 26 provided on the support column 2 in the vertical direction at regular intervals as shown in FIG. . The trapezoidal dogs 26 are provided at intervals of 30 cm, for example, and the height of the lifting device 3 can be detected stepwise by the limit switch 25 at intervals of 30 cm. The limit switch 25 and the dog 26 constitute a detecting means. The indicator light 27 is adapted to light up when the limit switch 25 is kicking the dog 26.

Further, as shown in FIGS. 2 and 3, a beam 5 formed of a truss is mounted on the platform 18 of the adjoining lifting devices 3.
And the beam 5 is moved up and down together with the lifting device 3. The beams 5, 5 facing each other are connected by a girder 31 formed of a truss. A ridge 32 made up of trusses is placed at the top of the center of this girder 31.
The canvas 45 is attached to the lower surface of the fixed roof 7
Is composed. As shown in FIG. 3, a movable temporary roof 8 is provided on the fixed roof 7 so as to be horizontally movable. This moving temporary roof 8 is a beam 4 composed of trusses.
The ridge 42 formed by 1 and the truss is connected by the girder 43 formed by the truss. Beam 4 of this moving temporary roof 8
1 is provided with a roller 52 that travels on a rail 51 attached to the beam 5 so that the moving temporary roof 8 can freely move in the horizontal direction. The traveling mechanism of the movable temporary roof 8 is schematically shown in FIG. That is, the sheaves 61, 62, 63, 64, 65 fixed on the beam 5
By winding a rope 67 around 66 and 66, fixing the center of the beam 41 on both sides of the moving roof 8 to the rope 67 by the connecting portions 8a, 8a, and moving the rope 67 by the motor 68 via the pulley 69. The moving temporary roof 8 is moved back and forth in the horizontal direction. By stacking the moving temporary roof 18 on the fixed temporary roof 7, the material 1 can be carried over the building 1 under construction with the space 6 opened as shown in FIG.

Next, a method of operating the temporary roof structure will be described with reference to FIGS. First, turn on the power
(S1), it is confirmed whether or not the indicator lights 27 of all the lifting devices 3 are turned on (S2). If all the indicator lamps are not lit (S2), it means that one of the lifting devices 3 is not at the same level, so it is determined that the lifting devices 3 are individually moved (S3). Then, in order to individually move the lifting device 3, an electric circuit (not shown) is set on the single-acting side (S4). Next, a desired lifting device 3 to be moved that is not on the same level is selected (S5). Next, it is determined whether or not the lifting device 3 not at the desired level is lifted.
(S6). When it is determined that the lifting device 3 is lifted, a lifting push button (not shown) is pressed (S7), and the lifting amount of the lifting device 3 is visually checked (S8). And indicator light 27
Is changed, and if it is not changed, the push button is continuously pressed. If the lighting of the indicator lamp 27 is changed, the push button is turned off, and the process returns to step S2.

If it is determined in the previous step S6 that the elevating device 3 is not raised, that is, if it is to be lowered, the push button for lowering is pushed (S10), and the descending amount of the elevating device 3 is visually observed (S11) and displayed. It is determined whether or not the lighting state of the lamp 27 has changed (S12), and if it has not changed, the lowering push button is kept pressed (S10), and if the indicator lamp has changed, the process returns to step S2.

If it is determined in step S2 that all the indicator lights 27 are on or off, that is, if all the lifting devices 3 are at the same level, then all the lifting devices are next. It is determined that 3 is interlocked and they are simultaneously raised or lowered (S13). When it is determined that all the lifting devices 3 are to be interlocked, an electric circuit (not shown) is set on the interlocking side (S14). Then all indicator lights 27
It is determined whether or not is lit (S15). When all the indicator lights 27 are lit, the limit switch ON circuit ON is turned ON. That is, the limit switch 25
Is set to ON, the power of the circuit for turning on the motor 25 of the lifting device 3 is set to ON. Next, it is determined whether or not all the lifting devices 3 are lifted (S17). All lifting devices 3
If it is determined to raise, the push button for raising is turned on (S18), and it is determined whether or not all the indicator lights 27 have changed (S19). If all the indicator lights 27 have changed, the lifting of the lifting device 3 is temporarily stopped (S20). Then, it is determined whether or not the lifting device 3 has risen by a predetermined amount, that is, how many limit switches 25 have passed through the trapezoidal dogs 26 (S21), and if not raised by a predetermined amount, step S15 (or Returning to S2), if the lifting amount of the temporary roof structure has risen by a predetermined amount, this means that the lifting device 3 of the temporary roof structure is at the same level and has risen by the predetermined amount.

On the other hand, when it is determined in step S17 that the elevating device 3 should not be raised, that is, it should be lowered, the push button for lowering is pressed (S23) and it is visually checked whether all the indicator lights 27 have changed (S24). ), If the total indicator light 27 does not change, press and hold the lowering push button (S23).
If it is determined that the display of (S27) has changed (S2
4) The descent is temporarily stopped (S25), and it is determined whether or not it has descended by a predetermined amount (S26). If it has not descended by a predetermined amount, the process returns to step S15 (or S2), and it is determined that it has descended by a predetermined amount. If so, the lowering operation of the lifting device 3 is completed.

On the other hand, when it is determined in step S15 that all the indicator lights 27 are not lit, that is, when it is determined that all the limit switches 25 are not on the trapezoidal dog 26, the limit switches are limited. When 25 is off, the power of the circuit for turning on the power of the motor 22 of the lifting device 3 is turned on (S27).

In this way, by visually observing the indicator lights 27, it is confirmed that the plurality of lifting devices 3 are all at the same level, and then the plurality of lifting devices 3 are at the same level while observing the indicators 27. Can be raised and lowered in stages. Therefore, the temporary roof is not partially raised or lowered, and dangerous stress is not applied to the columns 2 and the beams 5.

In the above-mentioned temporary roof structure, the lifting device 3 is provided before or after the construction of the first floor 1a of the building 1 shown in FIG.
Is located on the lower end side of the pillar 2, and the fixed temporary roof 7 and the movable temporary roof 8 can be assembled at a position close to the ground, and there is no need to work at a high place when constructing this temporary roof structure, so there is less danger and difficulty. , Temporary costs will be reduced.

Further, in this temporary roof structure, the elevating device 3 is raised as the building construction progresses, the fixed temporary roof 7 and the moving temporary roof 7 are arranged at a position slightly higher than the building 1, and By connecting the pillars 2 to the building 1 under construction by stays 19, the stability of this temporary roof structure can be increased, and furthermore, the fixed temporary roof 7 and the movable roof 7 can be moved to approximately the same height as the building under construction. Since the temporary roof 8 is located, there is no strong wind on them during a typhoon and it is safe.

In the above embodiment, the lifting device 3 is mounted on the rack 20.
And the pinion 21 was used to raise and lower, but instead of this, a device using a chain and sprogut, a rope device,
Alternatively, a hydraulic device may be used.

Although the limit switch 25 and the dog 26 are used as the detecting means in the above embodiment, a detecting means for detecting the level of the lifting device may be constituted by a photoelectric sensor or the like. Further, although the moving temporary roof is provided in the above-described embodiment, the temporary roof may be configured by only the fixed temporary roof.

[0029]

According to the first aspect of the present invention, a plurality of supporting columns arranged on both sides of a building are provided with lifting devices so that they can be raised and lowered, and the lifting devices support the beams so that a partial space is provided between the beams. Since the fixed temporary roof and the movable temporary roof that can cover the above space are provided, the fixed temporary roof and the movable temporary roof can be lifted and lowered by the lifting device, and therefore, near the ground at the beginning of construction. Fixed temporary roofs and movable temporary roofs can be constructed, work in high places is not required, and the danger and difficulty are reduced, and the fixed temporary roofs and movable temporary roofs are lifted as the building construction progresses. The temporary roof structure can be raised to almost the same height as the building under construction by raising it to almost the same height as the building under construction and connecting the pillars to the stay under construction in this state. The body can be of, stability is high, further strength is no longer able to receive a strong wind from the bottom to the temporary roof is increased even in such as during a typhoon.

Further, by moving the moving temporary roof, the material can be conveyed from above to the construction site through the generated space.

According to the second aspect of the present invention, an elevating device is provided on the column so that the elevating device can be moved up and down, a beam is mounted on the elevating device, a temporary roof is provided between the beams, and the elevating device has the same level stepwise. Since the detection means for respectively detecting the above is provided, in addition to the main effect of the invention of claim 1, the lifting device can be easily controlled so as to be at the same level.

According to the third aspect of the present invention, based on the output of the detecting means for detecting the level of the lifting devices, after confirming that all the lifting devices are at the same level, all the lifting devices are detected by the detecting means. As the output is increased stepwise so as to be at the same level at the same time, it is possible to raise or lower at the same time with the temporary roof in a horizontal state, safely and efficiently without applying force to the columns or beams. You can often raise or lower the roof.

[Brief description of drawings]

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

FIG. 2 is a side view of the temporary roof structure of the above embodiment.

FIG. 3 is a front view of the temporary roof structure of the above embodiment.

FIG. 4 is a plan view of the temporary roof structure of the above embodiment.

FIG. 5 is an enlarged front view of the lifting device for the temporary roof structure according to the embodiment.

FIG. 6 is a plan view of the lifting device.

FIG. 7 is an enlarged explanatory view of a limit switch and a dog in the lifting device.

FIG. 8 is a schematic diagram showing a moving mechanism of a moving temporary roof.

FIG. 9 is a flowchart showing a method of operating the temporary roof structure of the above embodiment.

FIG. 10 is a flowchart showing a method of operating the temporary roof structure.

[Explanation of symbols]

1 Building 2 Support 3 Lifting device 5 Beam 6 Space 7 Fixed temporary roof 8 Moving temporary roof 25 Limit switch 26 Dog

Claims (3)

(57) [Claims] 1. A plurality of columns that are erected at appropriate intervals on both sides of a building to be built, an elevating device that elevates and lowers along each of the columns, and an elevating device that is supported by the plurality of elevating devices. Beam, a fixed temporary roof erected with a predetermined space left between the beams facing each other, and a movable temporary roof movably provided on the beam and capable of covering the space. A temporary roof structure that is characterized by that. 2. A plurality of pillars which are erected at appropriate intervals on both sides of a building to be constructed, an elevating device which elevates and lowers along each of the pillars, and an elevating device which is supported by the plurality of elevating devices. A temporary roof structure comprising: a beam, a temporary roof installed between the beams facing each other, and detection means for detecting the stepwise same level of each of the lifting devices. 3. The temporary roof structure according to claim 2, wherein a state in which all of the plurality of lifting devices are at the same level is confirmed based on the output of the detecting means, and then the plurality of lifting devices are detected as the above. A method for operating a temporary roof structure, which comprises raising or lowering in stages so as to be at the same level at the same time while referring to the output of the means.