CN220414639U - Arched beam roof structure - Google Patents

Abstract

The utility model relates to the technical field of grain storage, and discloses an arched beam roof structure, which comprises a lower roof plate and an upper roof plate, wherein the lower roof plate and the upper roof plate are buckled into a cavity structure, a plurality of lower supporting beams are longitudinally arranged at intervals at the top end of the lower roof plate, a plurality of pull-down beams are transversely arranged at intervals at the top end of the lower roof plate, and a plurality of pull rods are arranged at intervals on the upper surface of the lower supporting beams. This arched girder roofing structure, arched girder roofing structure mainly is applicable to roofs such as grain bungalow storehouse, large-span factory building, workshop, and its span can reach 33 meters and above, and the span can also be bigger when taking effective measure, and its inside cavity structure that has set up to the cavity is inside to ventilate, can play the thermal-insulated effect of fine heat preservation roofing, has set up the double-deck board and also can be fine assurance water proof effects, and the cavity is inside can get into inspection water proof effects, also can be as conveying equipment's passageway, guarantees indoor good service environment.

Description

Arched beam roof structure

Technical Field

The utility model relates to the technical field of grain storage, in particular to an arched beam roof structure.

Background

The arched girder type horizontal warehouse is a main warehouse type of grain storage, an arched girder structure house cover of the arched girder type horizontal warehouse consists of an upper chord plate, a lower chord plate, a partition plate and diagonal tension rods, the appearance and the section are in a structural form of a stress roof truss and a house arched girder, the house arched girder is arched, the arched girder type horizontal warehouse is named as an arched girder warehouse, the arched girder type horizontal warehouse is welcomed by people in the characteristics of elegant appearance and clean inside of the warehouse, the arched girder structure house cover has various functions of bearing, heat insulation, water resistance, a ceiling and the like, and the arched girder structure house cover has high space rigidity, good overall performance, light structural dead weight, good shock resistance, convenient construction and better technical and economic indexes;

the maximum span of the existing arched girder type horizontal warehouse is 24 meters, the technical characteristics are that a pretensioning method is adopted during construction, lower chord prestressed tendons are cold rolled ribbed steel bars, the diameter of the prestressed steel bars is 5mm and 6mm according to the existing method and the section, the distance between the prestressed steel bars is about 35mm, if the span is increased again, the problems that the steel bars are difficult to arrange, the holding power of the steel bars is insufficient and the like can occur, in addition, no matter the steel bars are prefabricated on the ground or prefabricated on the roof, the tensioning counter force is provided by a supporting device, and the tensioning support cannot be arranged after the warehouse roof achieves a certain load and span, so that the span of the traditional stress arched girder is limited.

Disclosure of Invention

Aiming at the defects and problems of the existing arched girder type square barn, the utility model provides an arched girder roof structure, which is unique in structure, and can further enlarge the barn span in a limited space, and a single barn can meet the requirements of a large-volume barn, so that the problem that the existing arched girder type square barn is limited in span is effectively solved.

The utility model solves the technical problems by adopting the scheme that: the utility model provides an arched beam roofing structure, includes down roof boarding and last roof boarding, down roof boarding and last roof boarding detain into a cavity structure, down roof boarding's top is equipped with a plurality of lower supporting beams along vertical interval, down roof boarding top is equipped with a plurality of pull down beams along horizontal interval, lower supporting beam's upper surface interval is provided with a plurality of pull rods, upward roof boarding's bottom vertical interval is equipped with a plurality of upper supporting beams, upward roof boarding's bottom horizontal interval is equipped with a plurality of arched beams, the top and the upper supporting beam fixed mounting of pull rod, be provided with slip casting overflow aperture on the pull down beam, the tip of pull down beam is provided with stretch-draw fixed ground tackle group, be provided with ventilation mechanism on the upper roof boarding, the cavity carries out the air exchange with the external world through ventilation mechanism.

Preferably, the ventilation mechanism comprises a plurality of hoods, tiger windows and a ventilation clerestory, wherein the hoods are arranged on the upper roof plate at intervals, the tiger windows are arranged on two sides of the upper roof plate and are channels for entering outdoor air, and the ventilation clerestory is used for rapidly discharging.

Preferably, the hood is higher than the tiger window, and the height of the hood and the tiger window in the vertical direction can achieve better chimney effect ventilation quantity.

Preferably, the upper surfaces of the upper roof plate and the lower roof plate are provided with heat insulation layers, so that heat transfer from outside the granary to inside the granary can be weakened.

Preferably, the tensioning fixed anchor set can tension the prestressed reinforcement in the pull-down beam.

The utility model has the beneficial effects that: firstly, when using, arched girder roofing structure mainly is applicable to grain bungalow storehouse roofing, also can be applicable to other buildings such as having heat preservation, thermal-insulated and large-span factory building, its span can reach 33 meters and above, span can also be bigger when taking effective measure, its inside cavity structure that has set up to the cavity is inside to can ventilate, can play fine heat preservation thermal-insulated effect, set up the double-deck board and also can be fine assurance water-proof effects, the cavity is inside can get into inspection water-proof effects, also can regard as conveying equipment's passageway, guarantee that there is good operational environment in the room, can regard as material conveying equipment's passageway in the cavity that upper and lower roof boarding constitutes simultaneously. The lower roof board is provided with holes, so that conveyed materials can be automatically fed into the bin: meets the requirement of automatic feeding of conveyed materials. The material feeding speed is improved, and the labor cost is saved. The arched girder roof structure can be connected with the wall body and the columns by adopting reserved embedded parts for welding, and can also be connected by reserved bolts or other effective connection modes.

And secondly, when the heat-insulating and heat-preserving layer is arranged on the upper roof plate and the lower roof plate, so that temperature exchange in the granary is further isolated, and particularly in hot summer, a heat transfer route from the upper roof plate to the granary is isolated, and good congenital conditions are provided for temperature control in the granary.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic view of a roof structure for mounting a arched beam of a ventilation stack in accordance with the present utility model;

FIG. 2 is a schematic view of the structure of the installation hood of the present utility model;

FIG. 3 is a schematic view of the A-A cut-away structure of the present utility model;

FIG. 4 is a schematic view of the B-B cut structure of the present utility model.

In the figure: 1. a lower roof panel; 2. a lower support beam; 3. a pull rod; 4. an upper support beam; 5. a roof boarding; 6. a ventilation mechanism; 61. a hood; 62. a tiger window; 63. ventilating clerestory; 7. a pull-down beam; 71. grouting overflow holes; 8. arched beams; 9. and tensioning and fixing the anchor set.

Description of the embodiments

For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.

Example 1: referring to fig. 1, 2, 3 and 4, an arched beam roofing structure; the roof truss comprises a lower roof truss 1 and an upper roof truss 5, wherein the upper roof truss 5 can be cast-in-situ or prefabricated according to the actual situation of the site, the lower roof truss 1 and the upper roof truss 5 are buckled into a cavity structure, a plurality of lower supporting beams 2 are longitudinally arranged at intervals on the top end of the lower roof truss 1, a plurality of lower supporting beams 7 are transversely arranged at intervals on the top end of the lower roof truss 1, a plurality of pull rods 3 are transversely arranged on the upper surface of the lower supporting beams 2 at intervals, a plurality of upper supporting beams 4 are longitudinally arranged at intervals on the bottom end of the upper roof truss 5, a plurality of arched beams 8 are transversely arranged at intervals on the bottom end of the upper roof truss 5, the arched beams 8 are of an arch structure, the arch structure can be made into a larger span, the top ends of the pull rods 3 are fixedly installed with the upper supporting beams 4, the pull rods 3 are tied to the lower supporting beams 7, the lower supporting beams 7 are prevented from sagging, the pull rods 3 can be of a concrete structure, grouting overflow holes 71 are also arranged on the lower supporting beams 7, a tensioning fixing anchor set 9 is arranged on the end of the lower supporting beams 7, a ventilation mechanism 6 is arranged on the upper roof truss 5, and the cavity is in exchange air with the outside through the ventilation mechanism 6.

The ventilation mechanism 6 comprises a plurality of hoods 61, tiger windows 62 and ventilation clerestory 63, wherein the hoods 61 are arranged on the upper roof plate 5 at intervals for exhausting air in the cavity, unpowered hoods can be adopted, powered hoods or other exhaust devices can be adopted, the tiger windows 62 are arranged on two sides of the upper roof plate 5 and are channels for outdoor air to enter, outdoor air enters the cavity and is exhausted from the hoods 61 or the ventilation clerestory 63 on the upper part of the arched girder roof, so that accumulated heat in the cavity is well exhausted, the indoor temperature is not increased, the ventilation clerestory 63 is used for being exhausted rapidly, and the ventilation mechanism 6 can be combined and changed according to the actual requirements on site.

The hood 61 is higher than the tiger window 62, and the vertical height of the hood 61 and the tiger window 62 can achieve better chimney effect ventilation quantity;

the tensioning fixed anchor set 9 can tension the prestressed reinforcement in the lower pull beam 7, the prestressed reinforcement can be steel stranded wires, prestressed steel wires, prestressed screw-thread reinforcement and the like, and grouting overflow holes 71 are used for grouting cement paste after the tensioning of the prestressed reinforcement is completed;

when using, arched girder roofing structure mainly is applicable to grain bungalow storehouse roofing, also can be applicable to other buildings such as having heat preservation, thermal-insulated and large-span factory building, its span can reach 33 meters and above, span still can be bigger when taking effective measure, its inside cavity structure that has set up to the cavity is inside to ventilate, can play fine heat preservation thermal-insulated effect, set up the double-deck board and also can be fine assurance water-proof effects, the cavity is inside can get into inspection water-proof effects, also can regard as conveying equipment's passageway, guarantee that there is good service environment in the room, can regard as material conveying equipment's passageway in the cavity that upper and lower roof boarding constitutes simultaneously. The lower roof board is provided with holes, so that conveyed materials can be automatically fed into the bin: meets the requirement of automatic feeding of conveyed materials. The material feeding speed is improved, and the labor cost is saved. The arched girder roof structure can be connected with the wall body and the columns by adopting reserved embedded parts for welding, and can also be connected by reserved bolts or other effective connection modes.

Example 2: referring to fig. 1 and 2, on the basis of embodiment 1, the upper surface of the upper roof board 5 is provided with a heat insulation layer 51 to reduce heat transfer from outside the barn to inside the barn.

When the heat insulation granary is used, the heat insulation layers are arranged on the upper roof plate 5 and the lower roof plate 1, so that temperature exchange in the granary is further isolated, and particularly in hot summer, a heat transfer route from the upper roof plate 5 to the granary is isolated, and good congenital conditions are provided for temperature control in the granary.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (5)

1. The utility model provides an arched beam roofing structure, includes roof boarding (1) and last roof boarding (5), its characterized in that, roof boarding (1) and last roof boarding (5) down detain into a cavity structure, the top of roof boarding (1) is equipped with a plurality of lower support beam (2) along vertical interval down, roof boarding (1) top is equipped with a plurality of pull down beams (7) along horizontal interval down, the upper surface interval of lower support beam (2) is provided with a plurality of pull rods (3), the bottom vertical interval of last roof boarding (5) is equipped with a plurality of upper support beam (4), the bottom horizontal interval of last roof boarding (5) is equipped with a plurality of arched girders (8), the top and the upper support beam (4) fixed mounting of pull rod (3), be provided with slip casting overflow hole (71) on the pull down beam (7), the tip of pull down beam (7) is provided with stretch-draw fixed anchor group (9), be provided with on roof boarding (5) mechanism (6), the cavity is through outer ventilation mechanism (6) and exchange air.

2. An arched beam roofing structure according to claim 1, wherein the ventilation mechanism (6) includes a plurality of hoods (61), a plurality of tiger windows (62) and a ventilation stack (63), the hoods (61) are arranged on the upper roof plate (5) at intervals, the tiger windows (62) are arranged on both sides of the upper roof plate (5) and are channels for the entrance of outdoor air, and the ventilation stack (63) is used for rapid discharge.

3. An arched beam roofing structure according to claim 2, wherein the hood (61) is higher than the tiger window (62) and is vertically higher than the tiger window (62) to achieve a better chimney effect ventilation.

4. An arched beam roofing structure according to claim 1, wherein the upper surfaces of the upper (5) and lower (1) roof panels are provided with a thermally insulating layer to attenuate heat transfer from outside the bin to inside the grain bin.

5. An arched beam roofing structure according to claim 1, wherein the tensioning anchor set (9) is capable of tensioning the prestressed reinforcement within the drop down beam (7).