CN111364617A - Steel-film space combined structural unit, structural system, roof and film stretching method - Google Patents
Steel-film space combined structural unit, structural system, roof and film stretching method Download PDFInfo
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- CN111364617A CN111364617A CN202010307163.XA CN202010307163A CN111364617A CN 111364617 A CN111364617 A CN 111364617A CN 202010307163 A CN202010307163 A CN 202010307163A CN 111364617 A CN111364617 A CN 111364617A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
- E04B1/3404—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability supported by masts or tower-like structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
- E04B1/3416—Structures comprising mainly a central support column and a cantilevered roof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3544—Extraordinary methods of construction, e.g. lift-slab, jack-block characterised by the use of a central column to lift and temporarily or permanently support structural elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/12—Roofs; Roof construction with regard to insulation formed in bays, e.g. sawtooth roofs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
Abstract
The application provides a steel-membrane space combination structural unit, a structural system, a roof and a membrane stretching method thereof. The steel-membrane space combined structure unit comprises a supporting unit and a membrane unit, wherein the supporting unit is composed of crossed inclined struts, the membrane unit and the supporting unit jointly form a membrane cap unit, and the supporting unit comprises a jacking unit. The supporting unit provides rigid support for the membrane structure, and the steel-membrane space combination unit is formed after the membrane material is tensioned, so that the overall rigidity of the structure can be improved, and the overall deformation of the structure can be better coordinated.
Description
Technical Field
The application relates to a steel-membrane space combination structure system and a construction method thereof, in particular to a steel-membrane space combination unit structure of a building roof and a rigid support tension membrane technology thereof.
Background
The membrane structure usually adopts a high-strength flexible membrane material and an auxiliary structure to generate a certain pre-tensile stress in the membrane structure in a certain mode, and forms a certain space shape under stress control to be used as a covering structure or a building main body.
In the membrane structure design of the space steel structure canopy, a membrane stretching system with a conical shape is generally a 'flying column' flexible cable stretching system for stretching a membrane by using a pulling cable. The system adopts the steel cable for tensioning, and the steel cable is flexible in the compression direction, so that the problem of the overall rigidity of the steel cantilever cannot be solved, and the system does not contribute to the overall rigidity of a roof. Therefore, measures for specially improving the overall rigidity of the roof, such as adding a connection truss and the like, are needed, so that not only are the cost and the construction process increased, but also the integrity between the unit membrane structures cannot be solved.
Disclosure of Invention
The application provides a steel-membrane combination spatial structure unit, including membrane unit and supporting element, the supporting element set up in under the membrane unit, for the membrane unit provides the rigidity and supports. The crossed inclined struts and the tensioned membrane units form a spatial steel-membrane integrated membrane cap unit rigid system together, and the overall rigidity of the whole roof steel canopy is improved.
The deformation of each spatial truss with different overhanging spans and different rigidity of the awning is a steel-membrane spatial combination structure formed by steel supports with oblique rigidity and membrane surfaces, the support system of the membrane structure is fully utilized to increase the integral rigidity and coordinate the deformation of the roof, so that the deformation of the large-span overhanging truss of the roof is more uniform, the smooth and beautiful appearance of the overhanging end opening line is ensured, and the technical guarantee is provided for the modeling requirement of the building major.
According to the first aspect of the application, a steel-membrane space combination structure unit is provided, which comprises a supporting unit and a membrane unit, and is characterized in that the supporting unit is composed of crossed inclined struts, the membrane unit and the supporting unit jointly form a membrane cap unit, and the supporting unit comprises a jacking unit.
In some embodiments of the present application, a piston collar capable of being lifted and lowered is disposed at the center of the intersection point of the struts of the membrane cap unit.
Further, a top rod in the middle of the piston lantern ring is connected with a top supporting cover plate.
In some embodiments of the present application, the supporting cover plate and the piston collar are connected by a plurality of screws uniformly arranged and the distance between the supporting cover plate and the piston collar is adjusted, and the middle part of the membrane unit is fixed on the top plate cap of the piston collar.
In some embodiments of the present application, the membrane units are secured around the perimeter to the perimeter truss members.
In some embodiments of the present application, the supporting unit includes:
and the transverse cross rod system is arranged at the bottom of the supporting unit.
And the vertical diagonal rod system is arranged above the transverse crossing system and is connected with the transverse crossing rod system.
In some embodiments of the present application, the transverse cross-bar system comprises a set of transverse bars connected end to form a set of transverse nodes.
In some embodiments of the present application, the vertical skew rod system includes a set of vertical skew rods, one end of each of the vertical skew rods is connected to a horizontal node of the set of horizontal rods, and the other end of each of the vertical skew rods is connected to a vertical diagonal cross to form a cross node.
In some embodiments of the present application, the set of transverse rods or the set of vertical skew rods comprises steel tubes.
In some embodiments of the present application, the set of transverse bars is the same number as the set of vertically diagonal bars.
In some embodiments of the present application, the membrane elements are secured at their central portions to the cross-over nodes and at their peripheral edges to the transverse cross-bar system.
In some embodiments of the present application, the jacking unit comprises:
one end of the ejector rod is fixed on the cross node;
the piston lantern ring is arranged on the outer surface of the ejector rod and at one end adjacent to the cross node, and can move up and down along the ejector rod;
the top supporting cover plate is arranged on the outer surface of the ejector rod and is fixedly connected to one end of the ejector rod, which is far away from the cross node;
and one end of the connecting part is fixed on the piston lantern ring, and the other end of the connecting part is connected with the top supporting cover plate and the connecting position of the connecting part is adjustable.
Further, the middle part of the membrane unit is fixed on the upper surface of the piston collar.
In some embodiments of the present application, the coupling member comprises a set of adjustable screws.
In some embodiments of the present application, the set of adjustable screws are evenly spaced around the ram.
According to a second aspect of the present application, there is provided a steel-film spatial composite structural system comprising a spatial array of steel-film spatial composite structural units as described above.
According to a third aspect of the present application, there is provided a steel-membrane space combination structural roof, comprising the above steel-membrane space combination structural system.
According to a fourth aspect of the present application, there is also provided a method for stretching a steel-film spatial composite structural system, comprising:
fixing the middle part of the membrane unit on the piston lantern ring;
fixing the periphery of the membrane unit on the transverse cross bar system;
adjusting the connecting position of the connecting part on the top supporting cover plate of the jacking unit;
the connecting component drives the piston lantern ring to move upwards;
lifting the piston lantern ring upwards and tensioning the membrane unit;
and tensioning the membrane units of each steel-membrane space combination structural unit one by one.
Compared with the traditional 'flying column' form, the steel-film space combined structure provided by the application reduces a horizontal support system (a secondary structure crossed rigid support system of a film structure is fully utilized), and enhances the overall rigidity and stability of the steel canopy, so that the overall deformation synergistic performance of the steel canopy truss is better, and the structural steel consumption is reduced. The workman carries out tensioning membrane cloth operation on membrane upper portion, reduces and sets up the scaffold frame, and millions of scaffold frame expenses have been practiced thrift in every project, not only reduces the construction degree of difficulty but also reduce cost.
The 'conical' shape of the membrane structure adopts steel members to form rigid support in a crossed mode, so that each awning forms an integral space supporting net of a crossed rod system, the horizontal and vertical integrity and stability of the main body pipe truss awning are greatly enhanced by using an auxiliary structure (secondary structure) of the membrane structure, and better space rigidity is obtained. A loop jacking ring is arranged at each intersection of the rigid supports to jack the tensioning film, so that the film is tensioned and formed into cone shapes with different slopes, the requirements of necessary shaping tension and design shapes are met, the integral rigidity and stability of the steel canopy are enhanced, the deformation integral synergistic performance of main trusses of the steel canopy after temporary support is removed is better, and the smoothness and attractiveness of the platform opening line are guaranteed. Compared with a roof awning without the technical system, the final building effect is very good, the deformation coordination among the main trusses with different overhanging spans of each truss is good, the overhanging end eave line is smoother and more attractive, and the cost of structural measures for enhancing the integral rigidity of the roof is reduced.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present application.
Fig. 1 shows a schematic diagram of a steel-film spatial composite structural unit according to an exemplary embodiment of the present application.
Fig. 2 shows a top view of a steel-membrane spatial composite structural unit after membrane tensioning according to an exemplary embodiment of the present application.
Fig. 3 illustrates a perspective view of a steel-film spatial composite structural unit according to an exemplary embodiment of the present application.
Fig. 4 shows a schematic diagram of a jacking unit according to an example embodiment of the present application.
Fig. 5 illustrates a perspective view of a jacking unit according to an example embodiment of the present application.
Fig. 6 shows a schematic view of a jacking unit according to another embodiment of the present application.
Fig. 7 shows a schematic view of a membrane unit pre-tensioning movable jacking unit according to an example embodiment of the present application.
Fig. 8 shows a schematic view of a movable jacking unit after tensioning of a membrane unit according to an exemplary embodiment of the present application.
Fig. 9 shows a perspective view of the movable jacking unit after tensioning of the membrane unit according to an exemplary embodiment of the present application.
FIG. 10 shows a schematic diagram of a post-tensioning steel-membrane spatial composite structural unit of a membrane unit according to an example embodiment of the present application
Fig. 11 illustrates a perspective view of a steel-membrane spatial composite structural unit after a membrane unit is tensioned according to an exemplary embodiment of the present application.
FIG. 12 shows a steel-film spatial composite structural architecture diagram according to an example embodiment of the present application.
Fig. 13 shows a first schematic diagram of a steel-membrane space-combination structural roofing according to an example embodiment of the present application.
Fig. 14 shows a steel-membrane space-combination structural roofing schematic diagram two according to an example embodiment of the present application.
FIG. 15 shows a schematic view of a steel-membrane space composite structural curtain wall according to an example embodiment of the present application.
FIG. 16 shows a flow chart of a membrane tensioning method for a steel-membrane spatial structure system according to an example embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below, and it should be apparent that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first", "second", etc. in this application are used to distinguish between different objects and not to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The application provides a steel-membrane space combined structure unit, which adopts a conical rigid support structure to improve the integral rigidity of a membrane structure and better coordinate integral deformation; simultaneously set up activity jacking structure on rigid support structure for the workman can be in the membrane material top through the mode of adjusting activity jacking structure progressively tensioning membrane material, with the rate of tension that reaches the design requirement, need not set up tall and big scaffold frame, practices thrift the cost.
The technical solution of the present application will be described in detail below with reference to the accompanying drawings.
Fig. 1 shows a schematic diagram of a steel-film spatial composite structural unit according to an exemplary embodiment of the present application.
Fig. 2 shows a top view of a steel-membrane spatial composite structural unit after membrane tensioning according to an exemplary embodiment of the present application.
Fig. 3 illustrates a perspective view of a steel-film spatial composite structural unit according to an exemplary embodiment of the present application.
The steel-film space combination structural unit provided by the present application will be described with reference to fig. 1 to 3.
As shown in fig. 1, a steel-membrane space combination structural unit 1000 according to an embodiment of the present application includes a membrane unit 110 and a support unit 120. The support unit 120 is disposed under the membrane unit 110 to provide rigid support to the membrane unit. The membrane unit 110 may be a tetrafluoro membrane (i.e., a PTFE membrane). The membrane unit and the supporting unit jointly form a membrane cap unit. The supporting unit 120 includes a jacking unit 130. Referring to fig. 1, the supporting unit 120 is composed of crossed diagonal braces, and includes a transverse crossing bar system 121 and a vertical crossing bar system 122. The transverse cross bar system 121 is disposed at the bottom of the rigid support unit 120. The vertical skew rod system 122 is disposed above the horizontal crossing system 121, and is connected to the horizontal crossing rod system 121.
The transverse cross-bar system 121 includes a set of transverse bars 1210 connected end to form a set of transverse nodes 1211.
The vertical skew bar system 122 includes a set of vertical skew bars 1220. One end of the set of vertical skew rods 1220 is connected to the horizontal nodes 1211 of the set of horizontal rods, respectively, and the other end is connected to the vertical diagonal in a crossing manner, thereby forming a crossing node 1221. The middle of the membrane units 110 are fixed to the cross-over nodes 1221 and the periphery of the membrane units are fixed to the transverse cross-bar system
The set of transverse rods 1210 and the set of vertical skew rods 1220 may be steel pipes, but are not limited thereto. Referring to fig. 1, according to an example embodiment of the present application, the number of the set of transverse bars 1210 and the set of vertical skew bars 1220 may be the same, for example, four steel pipes. According to other embodiments of the present application, the number of the set of transverse bars 1210 and the set of vertical skew bars 1220 may also be different. The number of the transverse rods 1210 and the vertical skew rods 1220 can be more than 3, and the adjustment is specifically carried out according to modeling and rigidity requirements.
The diagonal rigid supports are formed by the diagonal intersections of the vertical diagonal rods 1220, so that each steel-membrane space combination structural unit 100 forms an integral space support grid. This structure has wholeness and stability in level and vertical for membrane structure obtains better space rigidity.
Fig. 4 shows a schematic diagram of a jacking unit according to an example embodiment of the present application.
Fig. 5 illustrates a perspective view of a jacking unit according to an example embodiment of the present application.
Fig. 6 shows a schematic view of a jacking unit according to another embodiment of the present application.
As shown in fig. 4 to 6, in order to simplify the construction process and reduce the construction cost, the steel-film space combination structural unit 100 provided by the present application further includes a jacking unit 130 disposed on the cross node 1221.
Referring to fig. 4 and 6, the jacking unit 130 includes a ram 131, a piston collar 132, a top support cover plate 133, and a connecting member 134. One end of the post rod 131 is fixed on the cross node 1221. A piston collar 132 is disposed on the outer surface of the mandrel 131 adjacent one end of the cross-over node 1221 and is movable along the mandrel. A top support cover plate 133 is disposed on the outer surface of the top bar 131 and is fixedly attached to the other end of the top bar 131 remote from the cross-over joint 1221. The connecting member 134 has one end fixed to the piston collar 132 and the other end connected to the top support cover plate 133 with an adjustable connecting position.
Referring to fig. 1, in the steel-membrane space combination structural unit shown in fig. 1, a piston collar 132 capable of being lifted and lowered is disposed at the center 1221 of the intersection point of the inclined struts of the membrane cap unit. The top rod 131 in the middle of the piston collar 132 is connected to the top support cover plate 133. The top supporting cover plate 133 and the piston collar 132 are connected through a plurality of screws 1340 uniformly arranged, and the distance between the top supporting cover plate and the piston collar 132 is adjusted, and the middle part of the membrane unit 110 is fixed on the top plate cap of the piston collar 132. The membrane unit 110 is fixed around the perimeter to the perimeter truss members.
As shown in fig. 4 and 6, according to the exemplary embodiment of the present application, the ejector 131 is a circular steel pipe, but is not limited thereto. The piston collar 132 may be shaped like a circular ring and is fitted over the surface of the top rod 131 to move along the top rod 131. The top supporting cover plate 133 is fixed to the end of the top rod 131, may be circular, or may be in the shape of a cap with a circular brim, and is wrapped around the end of the top supporting cover plate 133. The top support cover 133 may be welded to the end of the top bar 131, but is not limited thereto.
According to an exemplary embodiment of the present application, the connecting member 134 may be a set of adjustable screws 1340. The adjustable screw 1340 includes a screw 1341 and a nut 1342. For example, screw 1341 can be a high-strength screw.
According to an exemplary embodiment of the present application, the set of adjustable screws 1340 is more than 3 in number and is adjustable. The number of the required adjustable screws 1340 can be adjusted correspondingly for the steel-film space combination structural units with different dimensions. The more the number of the screws, the more the films are stressed, but the film stretching speed and the construction efficiency are reduced along with the increase of the number of the screws, and the practical items determine the reasonable number according to the size.
According to the exemplary embodiment of the present application, the set of adjustable screws 1340 are uniformly spaced around the top bar 131, so that the adjustable screws 1340 are uniformly stressed, and the structural stability is ensured.
In the jacking unit structure shown in fig. 4, the ejector rod 131 is fixed, and the piston collar 132 can move up and down. In the jacking unit structure shown in fig. 6, the piston collar 132 is fixed, the top rod 131 can move up and down, and the screw 1342 is connected with the piston collar 132 through the clamping groove 135.
Fig. 7 shows a schematic view of a membrane unit pre-tensioning movable jacking unit according to an example embodiment of the present application.
As shown in fig. 7, the middle portion of the membrane unit 110 is fixed to the top support cover 133. Before tensioning, the moveable collar 132 is located closest to the cross-node 1221. The screw 1341 has one end fixed to the movable collar 132 and the other end connected to the top support cover plate 133. The piston collar 132 is furthest from the top support cover plate 133. The film unit 130 is in a relaxed state.
Fig. 8 shows a schematic view of a movable jacking unit after tensioning of a membrane unit according to an exemplary embodiment of the present application.
Fig. 9 shows a perspective view of the movable jacking unit after tensioning of the membrane unit according to an exemplary embodiment of the present application.
FIG. 10 shows a schematic diagram of a post-tensioning steel-membrane spatial composite structural unit of a membrane unit according to an example embodiment of the present application
Fig. 11 illustrates a perspective view of a steel-membrane spatial composite structural unit after a membrane unit is tensioned according to an exemplary embodiment of the present application.
As shown in fig. 8-11, the movable connection ends of the threaded rods 1342 and the top support cover plate 133 are adjusted when tensioned. The connection position of the screw 1342 and the top support cover 133 is adjusted by tightening the nut 1341.
The screw 1342 drives the piston collar 132 to move along the top rod 131 toward the top support cover plate 133. The distance between the top support cover plate 133 and the piston collar 132 is shortened and the piston collar 132 is lifted upwards. The membrane unit 110 is gradually tensioned until the tightness required by the design is met.
After the membrane unit is tensioned, the nut 1341 is locked. The distance that the piston collar 132 is lifted up may be determined according to the design tension of the membrane unit 110 and the modeling requirements of the steel-membrane space combination structural unit 100.
The steel-membrane space combination structural unit according to the present embodiment may be used for a roofing structure, but the present application is not limited thereto. Such as curtain walls, etc.
FIG. 12 shows a steel-film spatial composite structural architecture diagram according to an example embodiment of the present application.
As shown in fig. 12, there is also provided, in accordance with an exemplary embodiment of the present application, a spatial membrane structure system 2000 comprising a spatial array of steel-membrane spatial composite structural elements 1000. According to different design requirements, a series of steel-film space combination structure units 1000 can be spatially arrayed in different modes, and space structures with different shapes can be obtained.
Fig. 13 shows a first schematic diagram of a steel-membrane space-combination structural roofing according to an example embodiment of the present application.
Fig. 14 shows a steel-membrane space-combination structural roofing schematic diagram two according to an example embodiment of the present application.
As shown in fig. 13 and 14, according to an exemplary embodiment of the present application, there is also provided a steel-film space-combination structural roof including the above-described steel-film space-combination structural system.
FIG. 15 shows a schematic view of a steel-membrane space composite structural curtain wall according to an example embodiment of the present application.
As shown in fig. 5, according to an exemplary embodiment of the present application, there is also provided a steel-film space composite structure curtain wall, including the above steel-film space composite structure system.
The rigid supporting unit and the tensioned membrane unit jointly form a steel-membrane integrated space, so that the integral rigidity of the whole roof can be improved, and the structural integrity of the whole roof is better; the rigid support structures are connected with each other to form an integral horizontal support net of the crossed rod system, so that the horizontal integrity and the vertical integrity of the main roof truss are enhanced, and better space rigidity is obtained.
Meanwhile, in the construction process of the membrane structure roof, temporary support in the construction process can be omitted, and the deformation overall cooperativity is better. For the space trusses with different spans and different rigidity, the deformation of the space trusses is coordinated by the steel-film space combined structural unit, so that the integral rigidity of the roof is increased, the deformation is more coordinated, and the deformation of the large-span roof truss is more uniform. Thereby ensuring the smooth and beautiful appearance of the roof and providing technical support for the modeling requirement of building major.
In addition, compared with the traditional 'flying column' form, the membrane structure roof reduces a horizontal support system, fully utilizes the rigid support unit of the steel-membrane space combination structural unit, improves the overall rigidity, stability and overall deformation cooperativity, and reduces the steel amount of the structure.
Meanwhile, in the construction process, an operator can perform tensioning operation on the upper part of the membrane unit, so that the erection of a high scaffold is reduced, the scaffold cost is saved, and the construction cost is reduced.
FIG. 16 shows a flow chart of a membrane tensioning method for a steel-membrane spatial structure system according to an example embodiment of the present application.
As shown in fig. 16, according to an exemplary embodiment of the present application, there is also provided a method of tensioning a steel-membrane spatial structure system, including:
s10: fixing the middle part of the membrane unit on a piston lantern ring;
s20: fixing the periphery of the membrane unit on a transverse cross bar system;
s30: adjusting the connecting position of the connecting part on the top supporting cover plate of the jacking unit;
s40: the connecting component drives the piston lantern ring to move upwards;
s50: lifting the piston lantern ring upwards and tensioning the membrane unit;
s60: and tensioning the membrane units of each steel-membrane space combination structural unit one by one.
It should be understood that the above examples are only for clearly illustrating the present application and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of this invention may be made without departing from the spirit or scope of the invention.
Claims (18)
1. The utility model provides a steel-membrane space integrated configuration unit, includes supporting element and membrane unit, its characterized in that, supporting element constitute by criss-cross bracing, membrane unit with supporting element constitute membrane cap unit jointly, supporting element includes the jacking unit.
2. The steel-membrane space-combining structural unit of claim 1, wherein a piston collar capable of being lifted and lowered is disposed at the center of the intersection point of the inclined struts of the membrane cap unit.
3. The steel-membrane space-combining structural unit of claim 2, wherein a ram in the middle of the piston collar is connected to a top support cover plate.
4. The steel-membrane spatial composite structural unit of claim 3, wherein the supporting cover plate is connected with the piston collar ring through a plurality of uniformly arranged screws and the distance between the supporting cover plate and the piston collar ring is adjusted, and the middle part of the membrane unit is fixed on the top plate cap of the piston collar ring.
5. The steel-membrane space-combining structural unit of claim 4, wherein the membrane unit is peripherally secured to the perimeter truss members.
6. The steel-membrane space-combining structural unit of claim 1, wherein the support unit comprises:
and the transverse cross rod system is arranged at the bottom of the supporting unit.
And the vertical diagonal rod system is arranged above the transverse crossing system and is connected with the transverse crossing rod system.
7. The steel-membrane space-combining structural unit of claim 6, wherein said transverse cross-bar system comprises a set of transverse bars connected end-to-end to form a set of transverse nodes.
8. The steel-membrane spatial composite structural unit of claim 6, wherein the vertical skew rod system comprises a set of vertical skew rods, one end of each vertical skew rod is connected with a transverse node of the transverse rod set, and the other end of each vertical skew rod is connected with a vertical diagonal in a crossed manner to form a crossed node.
9. The steel-membrane space-combining structural unit of claim 6, wherein the set of transverse rods or the set of vertical skew rods comprises steel tubes.
10. The steel-membrane space-combining structural unit of claim 9, wherein the set of transverse rods is the same number as the set of vertical skew rods.
11. A steel-membrane space-combining structural unit according to claim 1, wherein the membrane units are fixed at their central portions to said crossing nodes and at their peripheral edges to said transverse cross-bar system.
12. The steel-membrane space-combining structural unit of claim 1, wherein the jacking unit comprises:
one end of the ejector rod is fixed on the cross node;
the piston lantern ring is arranged on the outer surface of the ejector rod and at one end adjacent to the cross node, and can move up and down along the ejector rod;
the top supporting cover plate is arranged on the outer surface of the ejector rod and is fixedly connected to one end of the ejector rod, which is far away from the cross node;
and one end of the connecting part is fixed on the piston lantern ring, and the other end of the connecting part is connected with the top supporting cover plate and the connecting position of the connecting part is adjustable.
13. The steel-membrane space-combining structural unit of claim 12, wherein a middle portion of the membrane unit is fixed to the piston collar upper surface.
14. The steel-membrane space-combining structural unit of claim 12, wherein the connecting member comprises a set of adjustable screws.
15. The steel-membrane spatial composite structural unit of claim 14, wherein said set of adjustable screws are evenly spaced around said top bar.
16. A steel-film spatial composite structural system comprising a spatial array of steel-film spatial composite structural units according to any one of claims 1 to 15.
17. A steel-membrane space composite structural roofing comprising the steel-membrane space composite structural system of claim 16.
18. A membrane tensioning method for a steel-membrane space combination structure system is characterized by comprising the following steps:
fixing the middle part of the membrane unit on the piston lantern ring;
fixing the periphery of the membrane unit on the transverse cross bar system;
adjusting the connecting position of the connecting part on the top supporting cover plate of the jacking unit;
the connecting component drives the piston lantern ring to move upwards;
lifting the piston lantern ring upwards and tensioning the membrane unit;
and tensioning the membrane units of each steel-membrane space combination structural unit one by one.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010307163.XA CN111364617A (en) | 2020-04-17 | 2020-04-17 | Steel-film space combined structural unit, structural system, roof and film stretching method |
| CN202110412924.2A CN113152681A (en) | 2020-04-17 | 2021-04-16 | Roof formed by steel-film space combined structural units based on rigid support and film stretching method thereof |
| CN202110413973.8A CN113152682A (en) | 2020-04-17 | 2021-04-16 | Steel-membrane space combination structural unit based on rigid support and membrane tensioning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN202110413973.8A Pending CN113152682A (en) | 2020-04-17 | 2021-04-16 | Steel-membrane space combination structural unit based on rigid support and membrane tensioning method thereof |
| CN202110412924.2A Pending CN113152681A (en) | 2020-04-17 | 2021-04-16 | Roof formed by steel-film space combined structural units based on rigid support and film stretching method thereof |
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| CN202110412924.2A Pending CN113152681A (en) | 2020-04-17 | 2021-04-16 | Roof formed by steel-film space combined structural units based on rigid support and film stretching method thereof |
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| GB0003085D0 (en) * | 2000-02-10 | 2000-03-29 | Peter Dann Limited | Arch structure |
| CN101191357B (en) * | 2006-12-30 | 2010-09-22 | 同济大学 | Modified double-layer pillow-type film structure |
| CN201314128Y (en) * | 2008-08-08 | 2009-09-23 | 黄敏 | Membrane structure summerhouse |
| CN201924495U (en) * | 2010-05-24 | 2011-08-10 | 贺拥军 | Giant latticed structure for cylindrical surface of membranous type latticed shell substructure |
| US9163401B2 (en) * | 2011-08-04 | 2015-10-20 | Volco Inc. | Retractable roof |
| CN102490790A (en) * | 2011-11-27 | 2012-06-13 | 镇江康飞机器制造有限公司 | Ceiling for on-screen shelter car |
| CN102605889B (en) * | 2012-03-08 | 2014-06-25 | 东南大学 | Cable rod type retractable roof structure |
| CN204311779U (en) * | 2014-11-13 | 2015-05-06 | 上海示一膜结构有限公司 | A kind of energy-saving environmental protection artistic type view membrane structure |
| CN204311797U (en) * | 2014-11-13 | 2015-05-06 | 上海示一膜结构有限公司 | A kind of membrane structure bicycle shed of building |
| CN104947839B (en) * | 2015-06-16 | 2017-08-25 | 东南大学 | A kind of folding film roof system with bottom drag-line |
| CN205591351U (en) * | 2016-04-07 | 2016-09-21 | 上海零碳建筑科技有限公司 | Use spherical building of membrane steel construction as main part |
| CN105863061B (en) * | 2016-04-18 | 2018-01-30 | 东南大学 | A kind of foldable cylinder cable-membrane analysis with rigid depression bar |
| CN106284804B (en) * | 2016-09-09 | 2018-08-21 | 东南大学 | A kind of deployable cylindrical reticulated shell structure that there are six pieces of rigid plates to fold unit |
| US10287795B2 (en) * | 2017-03-06 | 2019-05-14 | Air Structure American Technologies, Inc. | Raceways for fabric structures |
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| CN109440931A (en) * | 2018-10-22 | 2019-03-08 | 任进礼 | Membrane building roofing device and even membrane building |
| CN209723819U (en) * | 2018-11-07 | 2019-12-03 | 北京雪迪龙环境能源技术有限公司 | Adjustable support bracket for space net shell skeleton membrane structure |
| CN109653369A (en) * | 2018-11-27 | 2019-04-19 | 郑州大学 | A kind of Single Layer Sphere Grids frame membrane structure triangular structure unit |
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| CN213062395U (en) * | 2020-04-17 | 2021-04-27 | 广西壮族自治区建筑科学研究设计院 | Steel-membrane space combination structural unit, structural system and roof |
| CN212507462U (en) * | 2020-05-22 | 2021-02-09 | 北京今盛杰膜结构科技有限公司 | Framework is membrane top mounted putting for membrane structure |
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