CN215858499U - Large-span assembled prestressed purlin-free fish belly roof support system - Google Patents
Large-span assembled prestressed purlin-free fish belly roof support system Download PDFInfo
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- CN215858499U CN215858499U CN202121645990.6U CN202121645990U CN215858499U CN 215858499 U CN215858499 U CN 215858499U CN 202121645990 U CN202121645990 U CN 202121645990U CN 215858499 U CN215858499 U CN 215858499U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
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- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000004566 building material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The utility model discloses a large-span assembly type prestressed purlin-free fish belly roof supporting system, and belongs to the technical field of buildings. The supporting system comprises a roof panel, an end truss component, a n-shaped connecting piece, a locking clamp, a steel strand and a plurality of connecting rods. The U-shaped connecting piece is connected with the roof panel, the two end truss assemblies are positioned at the upper parts of the two ends of the span and connected with the roof panel, and the side surfaces are connected through steel strands. A plurality of connecting rods are in linear arrangement along the span direction of the roof panel, and the upper ends of the connecting rods are fixedly connected with the n-shaped connecting pieces and fixedly connected with the steel strands through locking clamps. This system has simplified traditional complicated roofing system support system greatly through set up steel strand wires formula fish belly braced system under large-span roof boarding. The system has the advantages of convenient construction and installation, short construction period, no need of using open fire for operation, high construction safety and the like. Meanwhile, a large number of secondary structures such as secondary purlins and the like are omitted, so that the steel consumption is reduced, and the construction cost is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of buildings, and particularly relates to a large-span assembly type prestressed purlin-free fish belly roof supporting system.
Background
In the process of building a roof system with large span, in order to prevent the building material from generating downward bending deformation under the action of gravity due to the lack of support in the middle part, the stability of the roof structure is often ensured through complex support systems such as columns, main beams, purlins and secondary purlins. However, in some special buildings, the indoor space needs a large space without columns, and the columns cannot be used as supports. In this case, it is often necessary to use building materials with very good properties and more complex systems.
The fish-bellied beam is a constant-strength beam commonly used in industrial plants, and is mainly characterized in that the hollow frame structural beams with different sections are arranged according to different internal forces of the beam, so that the maximum normal stress of the structure on each section is equal to the allowable application force of materials. Steel beams of this type are typically constructed from reinforced concrete. In the projects such as foundation pits needing to be supported, part of designers improve the fish-bellied beam, and the steel strand capable of being tensioned replaces a curved beam in the fish-bellied beam to form a novel supporting structure with better convenience. However, the structure belongs to an inner supporting structure, the outer earthwork in the horizontal direction is supported by utilizing the prestress of the section steel and the steel strand, and the structure is obviously different from the working condition and the specific requirement of the roof supporting system, so that the structure cannot be suitable for the roof supporting system.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems of complex structure, long construction period and high manufacturing cost of the conventional large-span roof support system, the utility model provides a large-span assembly type prestressed purlin-free fish belly roof support system, which adopts the following technical scheme:
a large-span assembly type prestressed purlin-free fish belly roof supporting system comprises a roof panel 1, an end truss component 2, a n-shaped connecting piece 3, a locking clamp 4, a steel strand 5 and a plurality of connecting rods 6; the inverted V-shaped connecting piece 3 is connected with the roof panel 1, the two end truss assemblies 2 are positioned at the upper parts of two ends of the span and connected with the roof panel 1, and the side surfaces are connected through steel strands 5; a plurality of connecting rods 6 are arranged linearly along the span direction of the roof panel 1, the upper ends of the connecting rods are fixedly connected with the n-shaped connecting pieces 3, and the connecting rods are fixedly connected with the steel strands 5 through locking clamps 4.
Preferably, the roof panel 1 is an open panel formed by splicing adjacent portions of two panels to form a channel.
More preferably, the n-shaped connecting piece 3 is provided with a screw hole, and the n-shaped connecting piece 3 is fixedly connected with a channel formed at the bottom of the roof panel 1 through a T-shaped screw.
Preferably, two connecting rods 6 are arranged at the bottom of the n-shaped connecting piece 3 in a V shape, the upper parts of the two connecting rods 6 are fixedly connected with the bottom of the n-shaped connecting piece 3, and the lower parts are connected into a whole through a locking clamp 4.
More preferably, the latching clip 4 is composed of a first connecting member 41, a second connecting member 42 and a third connecting member 43 assembled by bolts; the upper part of the first connecting piece 41 is provided with an inclined connecting plate 41-1 connected with the two connecting rods 6, and the bottom of the first connecting piece 41 is provided with a bottom inclined plate 41-4 connected with the second connecting piece 42; the upper part of the second connecting piece 42 is fixedly connected with the bottom inclined plate 41-4 through a V-shaped connecting plate 42-1 by means of bolts, and the two sides of the lower part of the second connecting piece are fixedly connected with a third connecting piece 43 through bolts; the buckling part of the second connecting piece 42 and the third connecting piece 43 is provided with an arc-shaped groove for fixing the steel strand 5.
More preferably, said inclined web 41-1 of the first connecting member 41 is provided with one or more through holes for connection with the bottom of the connecting rod 6.
More preferably, the inclined connecting plate 41-1 of the first connecting member 41 is provided with a slot, and the tail end of the connecting rod 6 is inserted into the slot; and through holes or threaded holes for the bolts to be fixedly connected are formed in the insertion parts of the slots and the connecting rods 6.
More preferably, the bottom inclined plate 41-4 is provided with a connecting hole groove 41-5 so as to be fixedly connected with a connecting hole on the V-shaped connecting plate 42-1 of the second connecting member 42 through a bolt.
Preferably, a connecting pad member 7 is provided between the connecting member 3 and the upper end of the connecting rod 6; the upper part of the connecting pad piece 7 is in a U shape and is fixedly connected with the bottom of the n-shaped connecting piece 3, and the lower part of the connecting pad piece is fixedly connected with the upper end of the connecting rod 6 through a connecting plate with a screw hole through a bolt.
Preferably, the end truss assembly 2 is an inverted isosceles triangle structure composed of three truss rods 21 and connecting parts; two ends of the bottom edge of the isosceles triangle are connected with the bottom of the roof board 1 through a connecting platform 23 and an end part connecting piece 24 in a shape like a Chinese character 'ji'; a stranded wire anchor plate 25 is arranged on one side opposite to the truss components 2 at the two end parts; and two ends of the steel strand 5 are respectively fixedly connected with the two strand anchor plates 25.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the steel stranded wire type fish belly supporting system is arranged under the large-span roof panel, so that the traditional complex large-span roof system supporting system is greatly simplified. This roofing braced system adopts the mode of assembled connection to realize, has construction simple to operate, and construction cycle is short, need not use naked light operation, and construction safety is high advantage such as. Meanwhile, a large number of secondary structures such as secondary purlins and the like are omitted, so that the steel consumption is reduced, and the construction cost is greatly reduced.
According to the roof supporting system, the large-span roof board is connected with the bottom n-shaped connecting piece, and then is connected with the steel strand through the bottom connecting rod and the locking clamp, so that a prestressed fish-bellied supporting structure is formed, and the integrity of the roof system is enhanced.
Drawings
Fig. 1 is a front view schematically illustrating a supporting system according to a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of a partially enlarged structure at a circle of fig. 1.
Fig. 3 is a front view of an end truss assembly in accordance with a preferred embodiment of the present invention.
FIG. 4 is a side view of the support system at the connecting rod according to a preferred embodiment of the present invention.
Fig. 5 is a schematic perspective view of a lock clamp joint according to a preferred embodiment of the present invention (the connecting bolt is omitted).
In the figure: 1, a roof panel; 2, an end truss assembly; 3, a connecting piece shaped like a Chinese character 'ji'; 4, locking and clamping; 5, steel strand wires; 6, connecting rods; 7, connecting the cushion piece; 21, truss rods; 22, a connecting portion; 23, connecting the platform; 24, end connecting pieces in a shape like Chinese character 'ji'; 25, a stranded wire anchor plate; 41, a first connecting piece; 42, a second connector; 43, a third connecting member; 41-1, inclined connecting plates; 41-2, horizontal connecting plates; 41-3, oblique connecting holes; 41-4, a bottom sloping plate; 41-5, connecting hole grooves; 42-1, a V-shaped connecting plate.
Detailed Description
The materials, methods and apparatus used in the following examples, which are not specifically illustrated, are conventional in the art and are commercially available to those of ordinary skill in the art.
In the following description of the present invention, it is to be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, or the connection may be internal to both components. To those of ordinary skill in the art, the specific meaning of the above-described terms in the present invention can be understood as a specific case.
In addition, in the following description of the present invention, the meaning of "plurality", and "plural" is two or more unless otherwise specified.
In the following examples roof panels are used as floor panels for the bottom of a roof, using the open-cell construction floor disclosed in figure 1 of the applicant's application No. 201720445598.4. Other functions and structural layers such as waterproofing and fireproofing applied to the upper part of the panel are omitted since they are not discussed in the technical scope of the present application.
The present invention will be described in further detail with reference to the attached drawings, but the following detailed description is not to be construed as limiting the utility model.
Fig. 1 is a front view schematically illustrating a supporting system according to a preferred embodiment of the present invention. Fig. 2 is a schematic diagram of a partially enlarged structure at a circle of fig. 1. As can be seen from fig. 1 and 2, in the preferred embodiment the support system consists of a roof plate 1 at the top, a mitre-shaped connecting member 3 at the bottom of the roof plate 1, an end truss assembly 2, a locking clip 4, steel strands 5 and connecting rods 6. Wherein, the end truss component 2 is positioned at two ends of the span of the roof panel 1, and the two ends are connected through a steel strand 5. The length direction of the strip-shaped n-shaped connecting piece 3 is vertical to the span direction of the roof panel 1 and is fixed at the bottom of the roof panel 1. The bottom of each n-shaped connecting piece 3 is fixed with a connecting rod 6, and the bottom of the connecting rod 6 is fixedly connected with the steel strand 5 through a locking clamp 4. The whole roof supporting system forms a fish belly type structure with a large middle part and small two ends.
Fig. 3 is a front view of an end truss assembly in accordance with a preferred embodiment of the present invention. As can be seen from fig. 3, in the preferred embodiment, the end truss assembly 2 is an inverted isosceles triangle structure consisting of three truss bars 21 and three connecting portions 22. The connecting portion 22 may be a ball joint or a round rod perpendicular to the truss rod 21. The top of the isosceles triangle frame of the assembly is provided with a connecting platform 23 connected with the connecting part 22, the connecting platform consists of a vertical plate and a horizontal plate, and the vertical plate is fixedly connected with the connecting part 22. The horizontal plate of the connecting part 22 is fixedly connected with an end part connecting piece 24 which is shaped like a Chinese character 'ji' and is connected with the bottom of the roof panel 1. A stranded wire anchor plate 25 is also arranged on the connecting part 22 at the opposite side of the two end truss assemblies 2, and two ends of the steel stranded wire 5 are respectively fixed with the two stranded wire anchor plates 25.
FIG. 4 is a side view of the support system at the connecting rod according to a preferred embodiment of the present invention. As can be seen from fig. 4, in the preferred embodiment, the two tie bars 6 form a V-shaped structure, and the bottom is fixed with the steel strand 5 by the locking clip 4. The upper part is fixedly connected with the n-shaped connecting piece 3 through a connecting cushion piece 7. From this, two connecting rods 6 and top several font connecting piece 3 constitute the triangle-shaped structure, can effectively increase the structural stability of system, prevent to take place to rock.
Fig. 5 is a schematic perspective view of a lock clamp joint according to a preferred embodiment of the present invention (the connecting bolt is omitted). As can be seen from fig. 5, in this preferred embodiment, the latching clip consists of a first connecting piece 41, a second connecting piece 42 and a third connecting piece 43 in addition to the fixing bolt. The first connecting piece 41 is used for connecting with the connecting rod 6, and the second connecting piece 42 and the third connecting piece 43 are mainly used for fixing the steel strand 5.
The first connecting piece 41 is formed by integrally forming an inclined connecting plate 41-1 arranged in a V shape, a horizontal connecting plate 41-2 arranged horizontally and a bottom inclined plate 41-4 positioned at the bottom of the horizontal connecting plate. In order to realize the connection with the connecting rod 6, two oblique connecting holes 41-3 are arranged on the surface of the oblique connecting plate 41-1. The bottom inclined plate 41-4 is provided with a connecting hole groove 41-5 for connecting the second connecting piece 42 at the bottom. The second connecting piece 42 and the third connecting piece 43 are of a clamp structure, the middle part of the lock is spliced into a round hole used for being fixed with the steel strand 5 through two arc-shaped grooves with semicircular sections, and the two sides of the lock are fixedly connected through screw holes and bolts. In order to realize the connection with the first connecting piece 41, a V-shaped connecting plate 42-1 matched with the bottom inclined plate 41-4 in shape is arranged at the top of the second connecting piece 42, and a through hole corresponding to the connecting hole groove 41-5 is arranged on the plate so as to be fixed by a bolt.
The supporting system forms a fish belly type structure with a large middle part and two small ends through the roof panel 1, the connecting rod 6, the locking clamp 4, the steel strand 5 and the like, not only can simplify the structural complexity of the existing large-span roof system, but also can improve the installation working efficiency and reduce the construction cost due to the assembly type connection through bolts and the like.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. A large-span assembly type prestressed purlin-free fish belly roof supporting system comprises a roof panel (1), and is characterized by further comprising an end truss assembly (2), a n-shaped connecting piece (3), a locking clamp (4), a steel strand (5) and a plurality of connecting rods (6); the inverted V-shaped connecting piece (3) is connected with the roof panel (1), two end truss assemblies (2) are positioned at the upper parts of two ends of the span and connected with the roof panel (1), and the side surfaces are connected through steel strands (5); a plurality of connecting rods (6) are linearly arranged along the span direction of the roof panel (1), the upper ends of the connecting rods are fixedly connected with the n-shaped connecting pieces (3), and the connecting rods are fixedly connected with the steel strands (5) through locking clamps (4).
2. The large-span fabricated prestressed purlin-free fish belly roof support system according to claim 1, wherein said roof panels (1) are open-type panels with channels formed by splicing adjacent portions of two panels.
3. The large-span assembly type prestressed purlin-free fish belly roof support system according to claim 2, wherein the n-shaped connecting piece (3) is provided with a screw hole, and the n-shaped connecting piece (3) is fixedly connected with a channel formed at the bottom of the roof panel (1) through a T-shaped screw.
4. The large-span fabricated prestressed purlin-free fish belly roof support system according to claim 1, wherein two connecting rods (6) are mounted at the bottom of the n-shaped connecting piece (3) in a V shape, the upper parts of the two connecting rods (6) are fixedly connected with the bottom of the n-shaped connecting piece (3), and the lower parts are connected into a whole through the locking clamp (4).
5. The large-span fabricated prestressed purlin-free fish belly roofing support system according to claim 4, wherein said locking clip (4) is composed of a first connecting member (41), a second connecting member (42) and a third connecting member (43) assembled by bolts; the upper part of the first connecting piece (41) is provided with an inclined connecting plate (41-1) connected with the two connecting rods (6), and the bottom of the first connecting piece is provided with a bottom inclined plate (41-4) connected with the second connecting piece (42); the upper part of the second connecting piece (42) is fixedly connected with the bottom inclined plate (41-4) through a V-shaped connecting plate (42-1) by means of bolts, and two sides of the lower part of the second connecting piece are fixedly connected with a third connecting piece (43) by means of bolts; and an arc-shaped groove for fixing the steel strand (5) is formed in the buckling part of the second connecting piece (42) and the third connecting piece (43).
6. The large-span fabricated prestressed purlin-free fish belly roofing support system according to claim 5, wherein said inclined connection plates (41-1) of the first connection members (41) are provided with one or more through holes for connection with the bottom of the connection rods (6).
7. The large-span fabricated prestressed purlin-free fish belly roofing support system according to claim 5, wherein said inclined connecting plates (41-1) of the first connecting members (41) are provided with slots into which the ends of said connecting rods (6) are inserted; the insertion part of the slot and the connecting rod (6) is provided with a through hole or a threaded hole for the bolt to be fixedly connected in a penetrating way.
8. The large-span fabricated prestressed purlin-free fish belly roofing support system according to claim 5, wherein the bottom sloping plate (41-4) is provided with connecting hole slots (41-5) so as to be fixedly connected with connecting holes on the V-shaped connecting plate (42-1) of the second connecting member (42) through bolts.
9. The large-span fabricated prestressed purlin-free fish belly roof support system according to claim 1, wherein a connecting pad member (7) is provided between the connecting member (3) in a shape of Chinese character ji and the upper end of the connecting rod (6); the upper part of the connecting pad piece (7) is in a U shape and is fixedly connected with the bottom of the n-shaped connecting piece (3), and the lower part of the connecting pad piece is fixedly connected with the upper end of the connecting rod (6) through a connecting plate with a screw hole through a bolt.
10. The large-span fabricated prestressed purlin-free fish belly roofing support system according to claim 1, wherein said end truss assembly (2) is an inverted isosceles triangle structure consisting of three truss bars (21) and connecting portions; two ends of the bottom edge of the isosceles triangle are connected with the bottom of the roof board (1) through a connecting platform (23) and an end part connecting piece (24) in a shape like a Chinese character 'ji'; a stranded wire anchor plate (25) is arranged on one side opposite to the truss components (2) at the two end parts; and two ends of the steel strand (5) are respectively and fixedly connected with the two strand anchor plates (25).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121645990.6U CN215858499U (en) | 2021-07-20 | 2021-07-20 | Large-span assembled prestressed purlin-free fish belly roof support system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121645990.6U CN215858499U (en) | 2021-07-20 | 2021-07-20 | Large-span assembled prestressed purlin-free fish belly roof support system |
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| CN215858499U true CN215858499U (en) | 2022-02-18 |
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| CN202121645990.6U Active CN215858499U (en) | 2021-07-20 | 2021-07-20 | Large-span assembled prestressed purlin-free fish belly roof support system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575464A (en) * | 2022-05-07 | 2022-06-03 | 清华大学 | Building roof structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575464A (en) * | 2022-05-07 | 2022-06-03 | 清华大学 | Building roof structure and construction method |
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Denomination of utility model: Large span prefabricated prestressed fish belly roof support system without purlins Effective date of registration: 20231116 Granted publication date: 20220218 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HEILONGJIANG SHINAIDA BUILDING TECHNOLOGY Co.,Ltd. Registration number: Y2023230000094 |