JP2008025190A - Openable/closable roof structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an openable/closable roof structure which enables an openable/closable roof to sufficiently bear a load, even if a roofing material for the openable/closable roof for use in cold districts is composed of a membrane material. <P>SOLUTION: This openable/closable roof structure is used for opening/closing an opening of the roof. A plurality of girders, which are laid between a pair of traveling passages arranged along the opening and which are juxtaposed in the state of being each individually movable along the traveling passages, and the roofing material, which is arranged between the adjacent girders, each have a double-membrane structure. The openable/closable roof structure is equipped with an air warming unit which comprises a blower for supplying air into a sealed space between the double-membrane materials constituting the roofing material, and a heating device for warming the air supplied by the blower. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an open / close roof structure in which at least a part of a roof material has a double-membrane structure and encloses air therein, and particularly relates to an open / close roof structure suitable for a large-scale building used in a cold region.

  In recent years, large-scale buildings with all or part of the roof being openable / closable have become widespread as athletic facilities or multipurpose facilities. For example, moving roofs that do not deform are fixed to the opening of the fixed roof and the upper side of the fixed roof Alternatively, some roofs can be opened and closed by moving them between storage positions arranged on the lower side. However, in this example, since it is necessary to provide a storage position above or below the fixed roof, there is a problem that the opening ratio of the roof is limited and a large space is required for storing the movable roof.

Thus, a folding openable roof that can reduce the length of the movable roof and reduce the storage space when the movable roof is stored is proposed in Patent Document 1 and the like.
This foldable open / close roof has a large number of open / close units arranged in the front-rear direction, which is the extending direction of the travel path, between the travel paths arranged parallel to each other along the left and right edges of the opening of the roof. Become. The open / close unit is formed by pivotally connecting the upper ends of a pair of panel-like open / close frames made of a flat truss that is long in the left-right direction, so that both open / close frames can be opened and closed on the lower side. And the lower part of both opening-and-closing frames is connected with the connecting material which can be extended so that the above-mentioned opening and closing is possible, and the opening and closing frame which makes an isosceles in the cross section and the connecting material which makes the bottom form a triangle. . The front and rear opening / closing units having a substantially triangular cross-section are continuous at the lower end of the opening / closing frame to form a foldable opening / closing roof that is continuously bellows-like as a whole.
Japanese Patent Laid-Open No. 10-102666

Considering use in cold regions, when snow accumulates on the roofing material, the required snow load is applied to the roofing material and the frame that supports it, so it is necessary to design a higher rigidity accordingly. .
In particular, when the roof material constituting the openable roof is made of a flexible material such as a membrane material, the strength of the roof material tends to be reduced accordingly, so it is desired to reduce the snow load.
The present invention was made paying attention to the above points, and even if the roof material of the open / close roof used in cold regions is made of a membrane material, it can provide an open / close roof structure that can withstand sufficiently. The challenge is to do.

In order to solve the above problems, the invention described in claim 1 of the present invention is an open / close roof structure that opens and closes an opening of a roof,
A plurality of large beams that are installed between a pair of traveling paths arranged along the opening and are individually movable along the traveling path, and a double beam disposed between adjacent large beams. A roof material having a membrane structure, a blower for supplying air to a sealed space between the double membrane members constituting the roof material, and a heating device for heating the air supplied by the blower, To do.

Next, the invention described in claim 2 is characterized in that, with respect to the configuration described in claim 1, the heating device is configured integrally with the blower.
Next, the invention described in claim 3 is directed to the configuration described in claim 1 or claim 2, in which at least a part of the suction port of the blower device in which the supply air is warmed by the heating device is connected to the double unit. It is characterized by communicating with the sealed space between the membrane materials.

Next, the invention described in claim 4 is characterized in that, with respect to the configuration described in any one of claims 1 to 3, the blower and the heating device are provided in the large beam. Is.
Next, the invention described in claim 5 is provided with a small beam installed between adjacent large beams, with respect to the configuration described in any one of claims 1 to 4, The frame is refracted when the gap between the large beams is closed and structurally independent between the two beams, and extends when the gap between the two beams is opened to structurally integrate the two beams to form a structural frame together with the two beams It is characterized by forming.

According to the present invention, air is pumped into the sealed space with a blower to give tension to the membrane material as the roofing material and stabilize the shape as the roofing material. The flow is smooth.
Furthermore, by heating the air supplied to the sealed space by the heating device, the snow on the film material is melted and the snow load can be reduced.

Next, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic perspective explanatory view showing the open / close roof apparatus of the present embodiment. In FIG. 1, a single-opening open / close roof covering the entire length of the pair of left and right traveling rails 11 is used, and for convenience of explanation, the open / close roof is shown closed in the right half, and the open / close roof 15 is shown in the left half. The state which started to close from the state which opened to the right is shown.

FIG. 2 is a schematic side view showing the open / close roof structure of the present embodiment, in which one open / close roof 15 is installed on the left and right traveling rails 11, and the left half of the figure is the open / close roof 15. The left side of the figure shows a half of the roof with the open / close roof 15 closed.
Although the present invention includes both open / close roofs 15 of single-opening and double-opening, the following description will be based on a single-opening embodiment in which one open / close roof 15 is installed on the traveling rail 11.

In this embodiment, the main body of the building is omitted, and the fixed roof 16 is only shown in FIG. 3, but the building is a large building such as a sports facility, a concert hall, or a multipurpose hall. It can be applied to various types if there is.
A flat rectangular opening 26 is opened at the center of the fixed roof 16. As shown in FIG. 3, along the edge of the long side of the opening 26, A keel truss 10 is installed. Both ends of the keel truss 10 are supported by load-bearing portions such as pillars in the building, and the load-bearing portions of the building body support the loads of the open / close roof 15 and the fixed roof 16 via the keel truss 10.

  On the upper side of the keel truss 10, as shown in FIG. 4, a traveling rail 11 serving as a traveling path is provided on the edge of the fixed roof 16. The pair of traveling rails 11 are parallel to each other in plan view along the left and right long edges of the opening 26, and the fixed roof 16 has a shape in which the central portion is high and the peripheral portion is low. 11 also has the same arch shape in side view.

A traveling body 17 composed of wheels or the like is engaged with each traveling rail 11 so as to travel freely along the traveling rail 11. Via the traveling body 17, a later-described large beam 12 is laid between the left and right traveling rails 11 so as to be able to travel freely. That is, two traveling bodies 17 are attached to each large beam 12 at the front and rear ends of the large beam 12. Although not shown, at both left and right ends of each large beam 12, a driving device for driving the large beam 12 is provided on at least one of the front and rear traveling bodies 17. Accordingly, each large beam 12 is provided with a traveling drive device on the left and right. As the drive device, various devices can be adopted as long as they can apply a force for reciprocating the girder 12. For example, the traveling body 17 is a wheel, and an electric or hydraulic motor connected to the wheel axle directly or through a gear is one of them. As the traveling body 17, any one that can move along the traveling rail 11 while being engaged with the traveling rail 11 such as a mechanism that slides along the traveling rail 11 can be applied.
The traveling bodies 17 are respectively installed between the left and right traveling rails 11, and a plurality of large beams 12 that move on the traveling rails 11 are arranged along the traveling rails 11. .

Next, the structure of the large beam 12 will be described. Note that the direction in which adjacent large beams 12 are arranged, that is, the direction along the traveling rail 11 is referred to as front and rear.
As shown in FIG. 4, the large beam 12 is constituted by a truss beam composed of an upper chord member 12a, a lower chord member 12b, a lattice bar 12c, and a web member 12d. As shown in FIGS. 6 and 8 to be described later, the girder 12 has a substantially inverted triangular shape such that the lower front-rear width is narrower than the upper side in a side view. In other words, the upper chord member 12a has a wide front and rear width, the lower chord member 12b has a narrow front and rear width, and has a wide cross section.

  The upper chord member 12a has substantially the same height from side to side, but the lower chord member 12b is higher at the left and right and lower at the center. Therefore, the upper beam 12 has a larger vertical dimension at the center than the left and right. At the left and right ends of the large beam 12, as shown in FIG. 4, the traveling body 17 is attached to the lower surface of the upper chord member 12 a via the bracket 18, so that the large beam 12 can move back and forth between the left and right traveling rails 11. A plurality of large beams 12 are similarly arranged in the front-rear direction. In addition, since the traveling body 17 is provided with a plurality of front and rear ends at the left and right ends of each large beam 12, the large beam 12 is inclined forward and backward in accordance with the inclination of the traveling rail 11 in the longitudinal direction. Accordingly, the longitudinal inclination angle of each large beam 12 changes according to the position of each large beam 12 on the traveling rail 11 having an arch shape in side view as a whole. In FIG. 4, the left end portion of the large beam 12 is shown, but the right end portion appears symmetrically.

  Further, a roof material 14 made of a film material having a size capable of covering the space between the large beams 12 is disposed between adjacent large beams 12 disposed on the traveling rail 11 and adjacent to each other. A plurality of small beams 13 are installed between the large beams 12 before and after the mating. In the present embodiment, two small beams 13 are provided, and each small beam 13 is disposed so as to connect both ends of the adjacent large beams 12 in the longitudinal direction, and supports the end portion of the roof material 14. ing. That is, in the plan view, the film material is arranged so as to cover a space surrounded by the adjacent large beams 12 and the two small beams 13. The film material constituting the roof material 14 will be described later.

  As shown in FIG. 9, the small beam 13 is composed of front and rear arm portions 13a extending from the respective large beams 12, and a central connecting portion 13b for connecting the front and rear end portions of the front and rear arm portions 13a. . The front and rear arm portions 13a are made of an upper chord material, a lower chord material, and a vertical material, respectively. The upper chord material is formed by rigidly connecting a plurality of steel materials arranged in the width direction and extending in the front-rear direction to the connecting material in the width direction at a plurality of positions in the longitudinal direction. The lower chord material is slightly more than the upper chord material. Although it is short, it has a structure similar to that of the upper chord material, the front end of the lower chord material is fixed near the front end of the upper chord material, and the rear end of the upper chord material and the lower chord material is rigidly connected via a vertical material. As a result, the arm portion 13a of the small beam 13 has a triangular shape with a large vertical thickness at the rear end when viewed from the side. Further, the central connecting portion 13b is formed in a rectangular parallelepiped having the same thickness as the distal end portion of the arm portion 13a by rigidly coupling a steel material shorter than the arm portion 13a.

  The distal end portion of the arm portion 13a and the central connecting portion 13b have the same height, and are pivotally attached to the upper end portion via a hinge 21. The small beam 13 configured in this manner is refracted downward when the distance between the front and rear large beams 12 becomes narrow, and the central connecting portion 13b is lowered. FIG. 9 schematically shows a state in which the right beam 13 in FIG. 9 is extended, and a state in which the beam 13 on the left side is refracted.

  Since the small beam 13 has the above-described structure, the lower beam 13 is configured such that the front-rear width on the upper surface is narrow and the front-rear width on the lower surface is wide at the time of downward refraction, like the left beam 13 in FIG. Therefore, it adapts to the space between the two large beams 12 when the front and rear large beams 12 having a wide upper and lower width on the upper surface and a narrow lower width on the lower surface approach each other. For this reason, since the folding length of the open / close roof 15 is shortened when the open / close roof 15 is opened, and the space occupied by the open / close roof 15 is narrowed, the opening 26 can be largely opened.

  Further, since the small beam 13 has the central connecting portion 13b between the front and rear arm portions 13a, in the above-described refraction state, a space is formed between the front and rear arm portions 13a. It becomes the space for storing the later-described roofing material 14. For this reason, since the roofing material 14 is not pinched | interposed between the front and back arm parts 13a and compressed, the deterioration of the roofing material 14 can be prevented.

  The hinge 22 that pivotally attaches the small beam 13 and the front and rear large beams 12, and the hinge 21 that pivotally attaches the central connecting portion 13b of the small beam 13 and the front and rear arm portions 13a have sufficient strength. And in the small beam 13 close to at least the left and right end portions of the large beam 12 among the plurality of small beams 13 between the front and rear large beams 12, any of them is between the front and rear arm portions 13a and the central connecting portion 13b. A hydraulic jack 20 composed of a cylinder device is handed over. A pneumatic jack can be used instead of the hydraulic jack 20. One hydraulic jack 20 pivotally attaches a cylinder tube to the arm portion 13a, and its piston rod tip pivots to the central connecting portion 13b. The other hydraulic jack 20 pivots the cylinder tube to the rear portion 13b, The piston rod tip is pivotally attached to the central part. The reason why the hydraulic jack 20 is provided on the small beam 13 near the left and right ends of the large beam 12 is to avoid interference between the hydraulic jack 20 and the large beam 12 when the open / close roof 15 is opened. Since the lower chord 12b of the large beam 12 is located higher than the hydraulic jack 20 at the left and right beam portions 13, there is no possibility of the interference when the open / close roof 15 is opened. If there is no possibility of such interference, the hydraulic jack 20 may be provided on all the small beams 13 in the left-right direction. Further, when there is a possibility that the hydraulic jacks 20 interfere with each other between the small beams 13 before and after the large beam 12, the mounting position of the hydraulic jack 20 on the small beams 13 may be biased left and right. FIG. 6 shows a state in which the hydraulic jacks 20 on the arm portion 13a side and the rear portion 13b side of the small beam 13 are biased to the left and right. The arrangement is similar.

  The hydraulic jack 20 has two usage patterns. The first is to assist the extension of the small beam 13 by the movement of the large beam 12 in the final process when the small beam 13 is extended. Therefore, the small beam 13 is finally extended by using the contraction force of the hydraulic jack 20 as an auxiliary force. To maintain this state. Further, when the small beam 13 is refracted, the hydraulic jack 20 is extended while the front and rear large beams 12 are brought close to each other to assist refraction. As a result, the small beam 13 starts refraction, but thereafter, the refraction proceeds only by the movement of the large beam 12. Thus, the hydraulic jack 20 assists the bending of the small beam 13 and maintains the extended state of the small beam 13 in the final process when the small beam 13 is extended and the initial process when the beam is refracted. In this case, the hydraulic jack 20 is free in other processes in bending and stretching of the small beam 13 and is configured to expand and contract with the bending and stretching of the small beam 13. Therefore, the hydraulic jack 20 in this case has a function as a lock mechanism that locks the extended state of the small beam 13 in addition to the function of the telescopic drive member.

  A second usage pattern of the hydraulic jack 20 is a usage pattern as a locking mechanism that performs expansion / contraction of the small beam 13 only by movement of the large beam 12 and locks the state when the small beam 13 is extended. In this case, it is only necessary to switch between the locking operation and unlocking. Therefore, in this mode of use, it is not always necessary to use a cylinder device such as a hydraulic jack, as long as it is a member or device that can be switched between lock and unlock.

When the extended state of the small beam 13 is locked and the two large beams 12 are structurally integrated, the entire small beam 13 functions as a single beam, and thus forms a structural frame together with the two large beams 12. When the small beam 13 is refracted, the two large beams 12 are structurally independent.
The roof material 14 made of the above-mentioned film material has a double film structure of an upper film 14a and a lower film 14b, and the entire outer periphery of the upper film 14a and the lower film 14b is closed. A sealed space S is formed between the lower film 14b. As shown in FIG. 10, the roofing material 14 is a rectangular shape having a long side in the front-rear direction in a plan view, the front and back long side portions are fixed to the large beam 12, and the center portion of the short side portion is It is being fixed to the center connection part 13b of the left and right small beams 13.

Further, the large beam 12 is equipped with a hot air unit 30 that pumps air into the sealed space S. As shown in FIG. 10 and FIG. 11 with a part omitted, a plurality of hot air units 30 are arranged in a zigzag pattern along the longitudinal direction of the large beam 12, and each hot air unit 30 is arranged on both the front and rear sides. Air is supplied to one of the sealed spaces S of the film material.
Here, in FIG. 11, the code | symbol 28 shows a control board. Reference numeral 29 represents a catwalk.

  The configuration around the hot air unit 30 will be described with reference to FIG. A retin chamber 31 is connected to the inlet of the hot air unit 30, and a supply chamber 32 is connected to the air outlet of the hot air unit 30. The supply chamber 32 communicates with the corresponding film material via the first damper 32a and communicates with the outside air via the second damper 32b. In addition, the return chamber 31 communicates with the corresponding film material via the third damper 31a and communicates with the outside air via the fourth damper 31b. Moreover, the warm air unit 30 is configured by integrating a blower 30a and a heating device 30b. What is necessary is just to comprise the heating apparatus 30b from an electric heater, a hot water coil, etc., for example. Further, the blower and the heating device may be separate.

In addition to the chamber connected to the hot air unit 30, an exhaust chamber 33 is connected to the sealed space S of each roof material 14.
The upper chord material 12a of each girder 12 is provided with a flat plate over the entire upper surface of the girder 12, which also forms part of the roofing material 14, and the entire roofing material 14 is formed of the membrane material 14 and the girder 12 in the longitudinal direction. The upper surface is configured alternately and continuously.

  Further, a canopy 35 projects from the front and rear edges of the upper chord member 12a in the large beam 12 toward the edge of the upper chord member 12a in the adjacent large beam 12. The canopy 35 is continuous in the length direction of the large beam 12, and when the open / close roof 15 opens and the front and rear large beams 12 approach each other, the canopy 35 is spanned between the two large beams 12, and the rain between them It is designed to be covered. The opening and closing of the canopy may be operated by a driving device such as a cylinder device, or may be operated using the moving force of the adjacent large beam 12.

(Function and effect)
When the large beam 12 of the open / close roof 15 is moved either forward or backward by driving a traveling drive device provided on the traveling body 17 of the large beam 12, the small beam 13 is matched with the sequential increase of the distance between the large and small beams 12. The roof 15 is closed while extending, and the roof 15 is folded and opened while the beam 13 is refracted as the distance between the front and rear large beams 12 is sequentially reduced.

  In this case, when the open / close roof 15 is closed, as shown in the left half of FIG. 1, the small beams 13 are extended by the large beams 12 traveling sequentially in the direction of the thick arrows (the right beams 13 in FIG. 9). Status). On the contrary, when the open / close roof 15 is opened, the power of the travel drive device of each large beam 12 travels in the opposite direction when each large beam 12 is closed, and the adjacent large beams 12 approach each other, whereby the small beam 13 is refracted. (The state of the left beam 13 in FIG. 9), the open / close roof 15 is sequentially folded to the storage position. Thus, the opening and closing of the open / close roof 15 is performed by sequentially moving the large beams 12 from the large beam 12 at one end toward the large beam 12 at the other end.

  Further, the roof material 14 is normally supplied with air from the hot air unit 30, and in a state where the roof is closed by expanding the adjacent large beams 12, as shown in FIG. 6 which is a sectional view of FIG. In addition, the roof material 14 is inflated with a predetermined tension, and in the state where the adjacent large beams 12 are approached to open the roof, the roof material 14 is as shown in FIG. 8 which is a sectional view of FIG. 14 is arranged between the adjacent large beams 12.

The hot air unit 30 is always operated, and the air sucked from the sealed space S and the air from the outside air are mixed in the retin chamber 31 and the mixed air is sucked into the blower 30a. And after the air pumped from the air blower 30a is heated by the heating device 30b, it is supplied into the sealed space S through the supply chamber 32.
As a result, a required pressure is generated in the sealed space S, and a necessary tension is generated in the roof material 14. At this time, in order to adjust the tension of the roofing material 14 to a predetermined range, the exhaust damper 33 is appropriately opened, or the opening ratio of the third damper 31a and the fourth damper 31b in the letter chamber 31 is adjusted. To adjust the amount of outside air taken in. The exhaust damper 33 is mainly used to exhaust air from the sealed space S when the roof is opened.

Thus, since the roofing material 14 has a double membrane structure in which air is injected into the inside, when the open / close roof 15 is closed, the sealed space S becomes a heat insulating layer and can be a highly heat insulating roof. . That is, it is suitable for application to cold regions.
Moreover, when considering application in a cold region, snow falls on a closed open / close roof. On the other hand, in this embodiment, in order to supply warmed air to the sealed space S in the roofing material 14, the snow on the upper film 14a melts and flows into water, so that it flows on the roofing material 14. It becomes difficult to accumulate snow.

  Note that the temperature in the sealed space S may be controlled to around 10 degrees, for example. Although it depends on the material of the film material, according to the desk calculation, if the air in the film material is set to 10 degrees, the temperature of the upper surface of the upper film 14a is also set to a temperature in the vicinity of about 10 degrees, and it is possible to melt the snow. It is confirmed that. Here, as a material of the film material, a known film material can be appropriately applied. For example, a special woven polyester fiber coated with PDF (polyvinylidene fluoride) may be used.

  In the present embodiment, part or all of the air sucked by the hot air unit 30 is used as the air in the sealed space S, whereby the warmed air is circulated and the air in the sealed space S is efficiently circulated. Can warm up. That is, the energy efficiency is higher than that in the case where the hot air is simply pumped by the hot air unit 30 and is exhausted by another exhaust duct 33 to adjust the pressure in the sealed space S.

Here, in the said embodiment, although it is set as the structure which made the air blower and the heating apparatus a pair about all the warm air units 30, you may comprise only one air blower 30a about some hot air units 30. FIG. Moreover, although it is the example which has arrange | positioned the heating apparatus 30b in the output side of the air blower 30a in the said embodiment, you may arrange | position the heating apparatus 30b in the inlet side of the air blower 30a.
Further, a plurality of the small beams 13 are arranged between the front and rear large beams 12, and these are arranged between the large beams 12 at a predetermined interval and independently from each other on the left and right. The amount of bending and distortion of the large beam 12 in the portion is so small as to be negligible, and therefore the shearing force applied to the pin of each hinge 22 is small.

  Since the large beam 12 is allowed to be bent and distorted in this way, even the open / close roof 15 having a large span between the left and right traveling rails 11 can be reduced in weight by suppressing the amount of steel frames. In addition, since the left and right traveling bodies 17 are not required to be tuned with high precision, the control of the driving devices of the respective beams 12 is facilitated. Further, since an unreasonable force is not applied to the pin of the hinge 22, the refraction and extension operation of the small beam 13 is also smooth in this respect.

  In the above embodiment, a set of open / close roofs 15 is installed in one opening 26 of the fixed roof 16 to open one side, thereby enabling the entire opening 26 to be opened / closed. When the doors are double-opened by providing a pair in the front-rear direction, when the roof is closed, the large beams 12 forming the moving tips of the two openable roofs 15 are joined together. For this reason, between the large beams 12 to be bonded, one beam 12 is provided with a ridge reaching the upper surface of the other beam 12, or at least one of the large beams 12 has a rubber weather strip (sealing material). ), The rain between the two beams 12 will be provided.

In addition, a lock mechanism is provided so that the connection between the large beams 12 can be maintained until the opening operation of the two openable roofs 15 is started, and this lock mechanism is interlocked with the driving device of the traveling body 17, It is preferable to release the lock mechanism when the driving device starts driving to open the open / close roof 15.
Here, the sealed space S formed between the upper film 14a and the lower film 14b constituting the roofing material 14 between the pair of adjacent large beams 12 may be one space, It may be divided into a plurality of chambers along the longitudinal direction.

It is a perspective explanatory view of a closed pan roof, and shows a case where a foldable open / close roof with a single opening is used. It is a side view of an open / close roof, using a single-opening open / close roof, the left half shows the opened state, and the right half shows the closed state. It is a longitudinal cross-sectional view of the direction along a big beam of an open / close roof and a fixed roof. It is explanatory drawing which shows the relationship between the left end part of a large beam, and a fixed roof. It is a top view which shows the relationship between the big beam and roof material in the open state. It is sectional drawing of FIG. It is a top view which shows the relationship between the big beam and roof material in the closed state. It is sectional drawing of FIG. It is a side view which shows a small beam. It is a top view which shows the relationship between a big beam and a warm air unit. It is a side view which shows the relationship between a large beam and a warm air unit. It is a figure explaining the warm air unit periphery.

Explanation of symbols

11 Traveling rail (traveling path)
DESCRIPTION OF SYMBOLS 12 Large beam 13 Small beam 14 Roof material 14a Upper film 14b Lower film 15 Opening and closing roof 16 Fixed roof 17 Traveling body 26 Opening part of fixed roof 30 Hot air unit 30a Air blower 30b Heating device 31 Letter chamber 32 Supply chamber 33 Exhaust chamber S Sealed space

Claims (5)

An open / close roof structure that opens and closes the opening of the roof,
A plurality of large beams that are installed between a pair of traveling paths arranged along the opening and are individually movable along the traveling path, and a double beam disposed between adjacent large beams. A roof material having a membrane structure, a blower for supplying air to a sealed space between the double membrane members constituting the roof material, and a heating device for heating the air supplied by the blower, Opening and closing roof structure.   The open / close roof structure according to claim 1, wherein the heating device is configured integrally with a blower.   The open / close roof according to claim 1 or 2, wherein at least a part of a suction port of a blower for heating supply air by the heating device is communicated with a sealed space between the double membrane members. Construction.   The open / close roof structure according to any one of claims 1 to 3, wherein the blower and the heating device are provided on the large beam.   There is a small beam erected between adjacent large beams, and the small beam is refracted when the distance between both large beams is closed to structurally separate the two large beams, and when the distance between both large beams is widened The open / close roof structure according to any one of claims 1 to 4, wherein the structural frame is formed together with both large beams by extending and structurally integrating both large beams.

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