CN104746938A - Inflatable cable membrane truss structure capable of being folded and unfolded - Google Patents

Inflatable cable membrane truss structure capable of being folded and unfolded Download PDF

Info

Publication number
CN104746938A
CN104746938A CN201510134431.1A CN201510134431A CN104746938A CN 104746938 A CN104746938 A CN 104746938A CN 201510134431 A CN201510134431 A CN 201510134431A CN 104746938 A CN104746938 A CN 104746938A
Authority
CN
China
Prior art keywords
line
cable
drag
collar
noose
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510134431.1A
Other languages
Chinese (zh)
Other versions
CN104746938B (en
Inventor
蔡建国
柳杨青
贾文文
冯健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southeast University
Original Assignee
Southeast University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN201510134431.1A priority Critical patent/CN104746938B/en
Publication of CN104746938A publication Critical patent/CN104746938A/en
Application granted granted Critical
Publication of CN104746938B publication Critical patent/CN104746938B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Tents Or Canopies (AREA)

Abstract

The invention discloses an inflatable cable membrane truss structure capable of being folded and unfolded. The inflatable cable membrane truss structure capable of being folded and unfolded is composed of three parts, namely, inflatable cable membranes, rigid stay bars and a stay bar stay cable; each inflatable cable membrane is composed of three parts, namely, an inflatable membrane, a rope sling and a rope sling stay cable, wherein the inflatable membrane is formed by connecting the ends of two same arched cylindrical membrane sheets, and the rope sling comprises two end lantern rings and at least one pair of middle lantern rings arranged between the two end lantern rings at intervals; one stay bar is arranged between the two corresponding middle lantern rings which are symmetrically distributed, the rigid stay bars and the corresponding middle lantern rings are fixedly connected with each other into a whole, and the stay bar stay cable is located between the two corresponding end lantern rings and alternately passes through the middle lantern rings connected to the different ends of each rigid stay bar in sequence. According to the fish-bellied type inflatable cable membrane truss structure, the advantages of a traditional cable truss structure are adopted, the stability and bearing capacity of the traditional cable truss structure are greatly improved, the inflatable cable membrane truss structure can be folded and used circularly multiple times, the economic benefit is good, and the inflatable cable membrane truss structure has tremendous potential in the application of a temporary building.

Description

A kind of collapsible expansion inflation rope film trussed construction
Technical field
The present invention relates to a kind of fish-bellied type be made up of inflation rope film, rigid bracing, drag-line and inflate rope film trussed construction, be applicable to generally permanent, provisional civilian construction and structure.
Background technology
In recent years, along with the maturation of prestressing technique, a large amount of Cable Structure is arisen at the historic moment, and wherein cable truss is exactly one of very successful prestressed cable application.Cable truss is that upper lower edge is Suo Yuan and web member is the plane frame of rigid rod, and its form generally has convex and spill.Rope sagging in cable truss mainly plays load-bearing effect and is called track cable, the rope of epirelief mainly plays balanced action and is called tail rope, by making truss produce rigidity to the track cable of cable truss or steadying line Shi Hanzhang, cable truss not only meets requirement that is light-duty, sustainable development, also because prestressed application makes structure more economically.
Air-supported membrane structure is a kind of form of structure be widely used equally, its main material is function admirable and lightweight film material, the effect being supported face by air pressure is reached by inflation in film material, and flexible cable and rigidity supporting structure can be utilized to be tightened by face, thus formed and there is certain rigidity, cover space structure system compared with large span.Professor Zhang Yigang once invented a kind of girder system having aerated film depression bar, and by aerated film as compression member, Suo Zuowei tension member, well combines the aerated film of stiffness after inflation with flexible rope.
On the basis inheriting cable truss and aerated film depression bar truss advantage, the present invention proposes fish-bellied type inflation rope film trussed construction, Suo Yuan in cable truss is replaced with inflation cable-membrane analysis, truss form is fish-bellied type, drag-line in inflation cable-membrane analysis and noose serve distortion to aerated film, than simple air-supported membrane structure, it has better local and resistance to overturning, be suitable for as pressurized and flexural member, compare with traditional cable truss, its supporting capacity is larger, and the stability of out-of-plane is better; Upper lower edge all adopts inflation cable-membrane analysis, and under wind suction effect, lower edge can pressurized, can ensure the safety of structure equally; Inflation rope film trussed construction light weight, stress performance are good, can be used for longspan structure, and collapsible expansion, mobility is strong, is convenient to shipping storage.
Summary of the invention
Goal of the invention: be convenient to folding and expanding lightweight structures to produce, this structure can not only meet the various functions requirement that building uses, also there is the advantages such as design and easy construction, on the basis of inheriting cable truss and air-supported membrane structure advantage, it is made to have better stability and bearing capacity, being provisional or the preferred constructive form of emergency structure, is also the important step of Sustainable Building structural development.
Technical scheme: for achieving the above object, the technical solution used in the present invention is:
An inflation rope film trussed construction for collapsible expansion, is characterized in that: be made up of inflation rope film, rigid bracing and strut drag-line three part; Described inflation rope film is made up of aerated film, noose and noose drag-line three part, described aerated film is formed by connecting in end by two identical arcuation cylindricality diaphragms, what described noose comprised two end collars and interval is arranged at least one pair of intermediate collar between two end collars, two described end collars are arranged on the junction, end of two diaphragms, what described intermediate collar was even, symmetrical is distributed in two diaphragms, and described noose drag-line to be arranged between two end collars and each intermediate collar be each passed through between two end collars; Rigid bracing described in one is set between often pair of symmetrical two intermediate collar, and rigid bracing and intermediate collar are fixedly connected into an entirety, described strut drag-line is between described two end collars and successively alternately through the intermediate collar being connected to every root rigid bracing difference end, described strut drag-line two ends are fixed on two end collars.
Rigid bracing and intermediate collar are welded to connect, described strut drag-line between described two end collars, the keyhole through intermediate collar in the aerated film of both sides at interval, after be fixed on the collar of end.
The described end collar and intermediate collar are by four 1/4 annular connecting rod pin joint compositions, in described intermediate collar, each annular connecting rod is equipped with noose drag-line auricle, the noose drag-line auricle arranged described in a pair all symmetrical on each annular connecting rod of the described end collar, described each intermediate collar is also provided with a keyhole, at described two end collars, a strut drag-line auricle is also set respectively, the keyhole through two diaphragm intermediate collar at described strut drag-line interval, be fixed on the strut drag-line auricle of the end collar by the first cable anchorage, described strut drag-line and described rigid bracing are in same plane.
Described end sleeve ring diameter is greater than described intermediate collar, and described noose drag-line is fixed in the collar of end by the second cable anchorage.
The first described cable anchorage and the second cable anchorage are respectively ears vertical hinged tension side cable anchorage.
Described rigid bracing welds with described intermediate collar two ends.
Described rigid bracing cross section is circular hollow section or double angle combination star section.
The fish-bellied type inflation rope film trussed construction of a kind of collapsible expansion of the present invention, be made up of inflation rope film, rigid bracing, strut drag-line three part, rigid bracing is arranged between two aerated film uniformly, and be welded on the noose of inflation rope film, strut drag-line is through the keyhole on noose, three's collaborative work, constitutes a kind of fish-bellied type inflation rope film trussed construction of collapsible expansion jointly.Noose is the connector of inflation rope film and rigid bracing and strut drag-line, be connected with molten condition or bonding way or suture way with between face, strut drag-line is through the keyhole of noose, and noose serves good fixation to drag-line, makes itself and inflation rope film form good connection.Strut drag-line is through noose, be connected in the collar at inflation cable-membrane analysis two ends by ground tackle, consider that drag-line self has torsional rigidity, can not twist in Shi Hanzhang process, and strut drag-line and the end collar have certain angle of cut, adopt ears vertical hinged tension side cable anchorage herein, first gland making is carried out to cable wire and cable anchorage, after its tapered end is connected on the auricle of the end collar, adopt special spanner to regulate the adjuster on cable wire ground tackle drag-line slowly and equably to be applied to a certain size structural initial pre stress before inflation again.Drag-line be the sub-thread be made up of the composite material of metal material, nonmetals or metal material and nonmetals or the list structure of multiply.
Beneficial effect: the fish-bellied type inflation rope film trussed construction that the present invention proposes, Suo Yuan in cable truss is replaced with inflation cable-membrane analysis, truss form is fish-bellied type, drag-line in inflation cable-membrane analysis and noose serve distortion to aerated film, than simple air-supported membrane structure, it has better local and resistance to overturning, is suitable for, as pressurized and flexural member, comparing with traditional cable truss, its supporting capacity is larger, and the stability of out-of-plane is better; Upper lower edge all adopts inflation cable-membrane analysis, and under wind suction effect, lower edge can pressurized, can ensure the safety of structure equally; Inflation rope film trussed construction light weight, stress performance are good, can be used for longspan structure, and collapsible expansion, mobility is strong, is convenient to shipping storage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of middle noose;
Fig. 3 is the schematic diagram of end noose;
Fig. 4 is the schematic diagram of the cable anchorage of the band adjuster of stay cable end;
Fig. 5 is the schematic diagram after inflation rope film trussed construction draws in.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of inflation rope film trussed construction of collapsible expansion and structure, form by inflating rope film 1 and the rigid bracing 2 connected thereon and strut drag-line 3.Wherein: inflation cable-membrane analysis is made up of aerated film 4, noose 5 and noose drag-line 6, aerated film 4 is formed by connecting in end by two identical arcuation cylindricality diaphragms, formation is like fish-bellied type shape, and the curved surface of this two type is merged by heat, it is as a whole to sew up or be mechanically connected.Noose 5 is connectors of inflation rope film 1 and rigid bracing 2 and noose drag-line 3, be connected with molten condition or bonding way or suture way with between face, as shown in Figure 1, wherein 2 are arranged in the junction of end two aerated film for end sleeve ring, other 10 for intermediate collar symmetrically be distributed on two diaphragms, the end collar and intermediate collar are by four 1/4 annular connecting rod pin joints compositions, as in Fig. 2, the each annular connecting rod of intermediate collar is equipped with a noose drag-line auricle 7, noose drag-line auricle direction is perpendicular to membrane surface, the collar is provided with keyhole 8, keyhole is all placed on the upper and lower side of rigid bracing welding position, Fig. 3 is the end collar, on its each annular connecting rod, symmetry arranges a pair noose drag-line auricle 7, noose drag-line auricle direction is parallel to membrane surface, separately be provided with strut drag-line auricle 9, its direction is along the radial direction of the end collar, on the collar of both ends, the line of strut drag-line auricle 9 should be in rigid bracing place plane, noose drag-line 6 is as the ingredient of inflation rope film, be each passed through the noose drag-line auricle 7 of all intermediate collar in the aerated film of both sides, afterwards by being with the second cable anchorage of adjuster to be fixed on the noose drag-line auricle 7 of the corresponding side of the end collar, as in Fig. 1, the keyhole 8 passed in intermediate collar at strut drag-line 2 interval, be fixed on the strut drag-line auricle 9 of the end collar by the second cable anchorage and ears vertical hinged tension side cable anchorage afterwards, first gland making is carried out to cable wire and cable anchorage, after its tapered end is connected on the auricle of the end collar, adopt special spanner to regulate the adjuster on cable wire ground tackle drag-line slowly and equably to be applied to a certain size structural initial pre stress before inflation again.Ears vertical hinged tension side cable anchorage by the regulating sleeve 101 of centre and the screw rod 102 of the positive and negative thread of both sides band and ears vertical hinged tensioning end tapered end 103 in conjunction with being formed, wherein tapered end 103 is linked together by the auricle of bearing pin or bolt and the end collar, change guy cable length by rotary regulating sleeve, thus achieve prestressed applying; Strut drag-line 2 and noose drag-line 6 be all the sub-thread be made up of the composite material of metal material, nonmetals or metal material and nonmetals or the list structure of multiply.Fig. 5 is the folding picture of structure after aerated film 4 is exitted, because noose 5 is connect in succession by four link pins, rotatable in junction, meets the folding requirement of aerated film, greatly reduces structural volume after venting, saved space, be more convenient for depositing and transporting.
Be noted that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (6)

1. an inflation rope film trussed construction for collapsible expansion, is characterized in that: be made up of inflation rope film (1), rigid bracing (2) and strut drag-line (3) three part, described inflation rope film (1) is by aerated film (4), noose (5) and noose drag-line (6) three part composition, described aerated film (4) is formed by connecting in end by two identical arcuation cylindricality diaphragms, what described noose (5) comprised two end collars and interval is arranged at least one pair of intermediate collar between two end collars, two described end collars are arranged on the junction, end of two diaphragms, described intermediate collar is even, symmetrical is distributed in two diaphragms, described noose drag-line (6) to be arranged between two end collars and each intermediate collar be each passed through between two end collars, rigid bracing (2) described in one is set between often pair of symmetrical two intermediate collar, and rigid bracing and intermediate collar are fixedly connected into an entirety, described strut drag-line (3) is between described two end collars and successively alternately through the intermediate collar being connected to every root rigid bracing (2) difference end, described strut drag-line (3) two ends are fixed on two end collars.
2. inflation rope film trussed construction according to claim 1, it is characterized in that: the described end collar and intermediate collar are by four 1/4 annular connecting rod pin joint compositions, in described intermediate collar, each annular connecting rod is equipped with noose drag-line auricle (7), the noose drag-line auricle arranged described in a pair all symmetrical on each annular connecting rod of the described end collar, described each intermediate collar is also provided with a keyhole (8), at described two end collars, a strut drag-line auricle (9) is also set respectively, the keyhole through two diaphragm intermediate collar at described strut drag-line (3) interval, be fixed on the strut drag-line auricle (9) of the end collar by the first cable anchorage (10), described strut drag-line (3) and described rigid bracing (2) are in same plane.
3. inflation rope film trussed construction according to claim 2, is characterized in that: described end sleeve ring diameter is greater than described intermediate collar, and described noose drag-line (6) is fixed in the collar of end by the second cable anchorage.
4. inflation rope film trussed construction according to claim 3, is characterized in that: the first described cable anchorage and the second cable anchorage are respectively ears vertical hinged tension side cable anchorage.
5. inflation rope film trussed construction according to claim 3, is characterized in that: described rigid bracing (2) welds with described intermediate collar two ends.
6. inflation rope film trussed construction according to claim 3, is characterized in that: described rigid bracing cross section is circular hollow section or double angle combination star section.
CN201510134431.1A 2015-03-25 2015-03-25 Inflatable cable membrane truss structure capable of being folded and unfolded Expired - Fee Related CN104746938B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510134431.1A CN104746938B (en) 2015-03-25 2015-03-25 Inflatable cable membrane truss structure capable of being folded and unfolded

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510134431.1A CN104746938B (en) 2015-03-25 2015-03-25 Inflatable cable membrane truss structure capable of being folded and unfolded

Publications (2)

Publication Number Publication Date
CN104746938A true CN104746938A (en) 2015-07-01
CN104746938B CN104746938B (en) 2017-01-18

Family

ID=53587132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510134431.1A Expired - Fee Related CN104746938B (en) 2015-03-25 2015-03-25 Inflatable cable membrane truss structure capable of being folded and unfolded

Country Status (1)

Country Link
CN (1) CN104746938B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113882575A (en) * 2021-09-03 2022-01-04 华北水利水电大学 Cable membrane roof structure can open and shut

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693195A (en) * 1952-07-03 1954-11-02 Frieder Portable shelter
JP2001032574A (en) * 1999-07-23 2001-02-06 Shimizu Corp Open-close type simple hood
CN1875160A (en) * 2003-11-04 2006-12-06 未来概念公司 Pneumatic two-dimensional structure
CN102995747A (en) * 2012-12-06 2013-03-27 北京工业大学 Truss system with pneumatic membrane compression bar
CN103074938A (en) * 2013-01-23 2013-05-01 北京工业大学 Annular cross cable truss structure
CN103114734A (en) * 2013-03-08 2013-05-22 北京工业大学 Rapid construction method for truss with pneumatic membrane compression bar
CN104120831A (en) * 2014-08-11 2014-10-29 哈尔滨工业大学 Large-span inflatable pre-stress truss string and construction method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693195A (en) * 1952-07-03 1954-11-02 Frieder Portable shelter
JP2001032574A (en) * 1999-07-23 2001-02-06 Shimizu Corp Open-close type simple hood
CN1875160A (en) * 2003-11-04 2006-12-06 未来概念公司 Pneumatic two-dimensional structure
CN102995747A (en) * 2012-12-06 2013-03-27 北京工业大学 Truss system with pneumatic membrane compression bar
CN103074938A (en) * 2013-01-23 2013-05-01 北京工业大学 Annular cross cable truss structure
CN103114734A (en) * 2013-03-08 2013-05-22 北京工业大学 Rapid construction method for truss with pneumatic membrane compression bar
CN104120831A (en) * 2014-08-11 2014-10-29 哈尔滨工业大学 Large-span inflatable pre-stress truss string and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113882575A (en) * 2021-09-03 2022-01-04 华北水利水电大学 Cable membrane roof structure can open and shut
CN113882575B (en) * 2021-09-03 2022-10-28 华北水利水电大学 Cable membrane roof structure can open and shut

Also Published As

Publication number Publication date
CN104746938B (en) 2017-01-18

Similar Documents

Publication Publication Date Title
CN102605861B (en) Deployable cable pole dome structure
CN1145733C (en) Pneumatic structure element
CN101476281B (en) Expansion type cable-rod-film combined emergency bridge
CN102704607B (en) Combination structure of cable dome structure and cantilever structure and combining method thereof
CN107724585A (en) A kind of open type super-span cable dome structure
CN104763209B (en) A kind of inflation cable-membrane analysis of foldable expansion
CN104763052B (en) A kind of rope film truss structure of collapsible expansion
CN112523358A (en) Bidirectional oblique crossing combined spoke type tension cable truss system and application
CN107841936B (en) Expandable bridge
CN104746938A (en) Inflatable cable membrane truss structure capable of being folded and unfolded
CN201125459Y (en) Slanting guy cable and suspended cable combined cable hinge structure
CN107386095B (en) Tie arch floating bridge and tie arch floating bridge erection method
CN102995747B (en) Truss system with pneumatic membrane compression bar
CN203200904U (en) Radiation type prestress stay cable purlin hanging structure
CN201024561Y (en) Cable rod cord supported dome
CN107143147B (en) Unit-modularized detachable type assembly moulding bed
CN105908838A (en) Roundabout stretching structure
US20120061516A1 (en) Curved pneumatic support
US20110252716A1 (en) Pneumatic support
CN111139936B (en) High-symmetry negative Poisson ratio structural unit based on folding rod shear type unit and inhaul cable
US4047335A (en) Pneumatic load-supporting structures
US297331A (en) Skeleton tower
CN109281257B (en) Reinforced concrete arch bridge and bridge deck reinforcing device
CN104763053B (en) Foldable and unfoldable connecting rod-inflatable membrane structure
CN201381471Y (en) Expansion type cable-rod-film combined emergency bridge

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170118