CN201487378U - Inner supporting structure of huge steel pipe - Google Patents
Inner supporting structure of huge steel pipe Download PDFInfo
- Publication number
- CN201487378U CN201487378U CN200920141303XU CN200920141303U CN201487378U CN 201487378 U CN201487378 U CN 201487378U CN 200920141303X U CN200920141303X U CN 200920141303XU CN 200920141303 U CN200920141303 U CN 200920141303U CN 201487378 U CN201487378 U CN 201487378U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- compression rod
- compression
- supporting structure
- inner supporting
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses an inner supporting structure of a huge steel pipe, comprising a central body and 2N compression members connected with the central body, wherein N is a positive integer from 4 to 10, so that a planar *-shaped structure. Adjacent compression members of a single framework are connected by a rail, a jack screw of the outer end of each compression member is closely jacked on the inner wall of a steel pipe to support the pipe wall; inner supports of two frameworks are installed in one pipe section, and the plane of each inner support is vertical to a central axis of the pipe section. N groups of crossed diagonal braces are connected between every two corresponding parallel compression members in the inner supports of the two frameworks in the pipe section, n is a positive integer from 1 to 4, each compression member is divided into n sections, and 2n diagonal braces are connected with the head end and the tail end of each section of a pair of compression rods. Each compression member of the two frameworks and the diagonal braces form a planar truss system, and the planar truss also form a joint at the centre of the inner support such that the whole inner support forms a spatial structure system. In the utility model, the stability and the bearing capability of the inner support are improved, the steel pipe is guaranteed not to be deformed in the installing and transportation processes, and the materials for the compression members are greatly reduced.
Description
(1) technical field
The utility model relates to huge steel pipe installation and transportation technical field, is specially a kind of huge steel pipe inner supporting structure.
(2) background technique
Rice surplus huge penstock diameter reaches ten, and tube wall is thinner, and thickness only is 26～58mm, and most steel pipes transport on-the-spot the installation to behind two joint welding the becoming manufacturing tube couplings again in factory, make at each and to arrange in two Pin in tube coupling and support, each make tube coupling length be one meter surplus.Indeformable when transporting and install for the manufacturing tube coupling that guarantees huge steel pipe, must install interior support in it.
Supporting every Pin in existing is the rice font structure on plane, is made of centerbody that is in the axle center and radial many compression rods that are connected with centerbody.Because of in the huge steel pipe installing later stage, interior support will be excised, thus interior support can not with the steel pipe joint welding.Have cross bar to connect between the outer end of the compression rod that interior support is adjacent, there is jackscrew the outer end of each compression rod, holds out against on the steel pipe inwall.Arrange in two Pin and support have a small amount of montant parallel with the steel pipe longitudinal axis to connect between the parallel compression rod between two Pin in each tube coupling, two Pin that make in the tube coupling form pair inner supporting structures.
But the support strength of existing inner supporting structure is not enough.Interior blocking materials consumption is too many, because on the interior supporting plane of each Pin, compression rod belongs to long thin bar, support be stressed big (dividing heavy) in the tube coupling first half, support be stressed less (dividing light) in the Lower Half, install at steel pipe, also to bear the moment of flexure that produces by dead load outside the plane of supporting in every Pin under many situations such as transportation and tube coupling installation, under moment of flexure and axial pressure acting in conjunction, the calculation stability bearing capacity of existing inner supporting structure will be less than its allowable value, the invar tube wall is thinner in addition, tube coupling rigidity is poor, and compression rod bore excessive loads when interior support was installed, and can produce obvious bending deflection outside interior supporting plane and cause the mouth of pipe " following ellipse ".In steel pipe tube coupling shipment, will cause the mouth of pipe that the problem of circularity severe overweight is installed, even a support integral collapse accident in the steel pipe can take place.For pipe laying in the hole, need repeatedly to overturn in the tube coupling transportation process, higher to the requirement of steel pipe rigidity.For satisfying the requirement of huge steel pipe rigidity when transporting and install, a rigidity that supports in having to increase considerably and a dot density, promptly increase the intensity and the quantity of compression rod, this causes the weight of each Pin member to increase, cost rises, and the engineering work load of the huge steel pipe inner supporting structure of the engineering that has reaches more than 10% of huge steel pipe engineering work load.
(3) model utility content
The purpose of this utility model is to design a kind of huge steel pipe inner supporting structure, is that the staggered form diagonal web member connects between supporting in two Pin in each tube coupling, makes two interior supports form space-load structural system, and stability is strengthened greatly.
The huge steel pipe inner supporting structure of the utility model design, comprise centerbody that is in the axle center and the 2N root compression rod that is connected with centerbody, N is 4～10 positive integer, compression rod is the rice font structure that is symmetrically formed the plane with the center, the adjacent compression rod of single Pin plane structure has cross bar to connect, there is jackscrew the outer end of each compression rod, holds out against on the steel pipe inwall the stressed support tube wall of compression rod; Make to install in two Pin in the tube coupling for one of steel pipe and support, the interior plane of supporting is vertical with the tube coupling central axis, its difference is, there is the diagonal web member that the n group is intersected to connect between the corresponding per two parallel compression rods that support in two Pin in the tube coupling, n is 1～4 positive integer, every compression rod is divided into the n section, and 2n root diagonal web member connects the two ends of every section of the parallel a pair of compression rod of two Pin, and every compression rod can be divided into equal n section.Each compression rod of two Pin and the diagonal web member of intersection constitute a plane truss system, and plane truss forms node in interior centre of support, make the whole interior structural system that forms the space that supports.
The adjacent compression rod of described single Pin plane structure and the tie point of cross bar are positioned at the middle part of compression rod length direction.
The advantage of huge steel pipe inner supporting structure of the present utility model is: 1, be in the cross bar at each compression rod middle part and the web member that intersects the interior stability that supports is strengthened greatly, bearing capacity improves greatly, guarantee that amount of deformation guarantees that the installation circularity of the mouth of pipe can not exceed standard in the huge steel pipe shipment in predetermined range; 2, because the staggered form diagonal web member reduces the interior gauge length that supports the main stress compression rod greatly, the compression rod that supports in single Pin after the architecture advances and the diameter of cross bar all can greatly reduce, material consumption significantly reduces, and the weight that supports in single Pin descends 1/3rd, and cost decreases by 35%; 3, be convenient to processing, be easy to apply, be applicable to various huge steel pipe manufacturing and the installing engineerings that are supported on joint welding on the tube wall in not allowing.
(4) description of drawings
Fig. 1 is this huge steel pipe inner supporting structure example structure schematic representation;
Fig. 2 is that A-A among Fig. 1 is to sectional drawing.
The figure internal label is:
1, steel pipe, 2, compression rod, 2-1, jackscrew, 3, centerbody, 4, cross bar, 5, diagonal web member.
(5) embodiment
Huge steel pipe inner supporting structure embodiment of the present utility model as depicted in figs. 1 and 2, comprise the centerbody 3 that is in steel pipe 1 axle center and 12 compression rods 2 that are connected with centerbody 3, compression rod 2 is the rice font structure that is symmetrically formed the plane with centerbody 3, the middle part of adjacent compression rod 2 length directions of single Pin plane structure has cross bar 4 to connect, and the tie point of adjacent compression rod 2 and cross bar 4 is positioned at the mid point of compression rod 2 length directions.There is jackscrew 2-1 the outer end of each compression rod 2, holds out against on steel pipe 1 inwall compression rod 2 stressed support tube walls; Install in two Pin in the tube coupling of steel pipe 1 and support, the plane of interior support is vertical with the tube coupling central axis, and the corresponding compression rod 2 of 2 groups of diagonal web members that intersect, 5 welding, two Pin is arranged between the per two relative parallel compression rods 2 that support in two Pin in the tube coupling.Every compression rod 2 is divided into equal 2 sections, and parallel each that 24 diagonal web members 5 connect two Pin is to compression rod 2 every section two ends.Each compression rod 2 of two Pin constitutes a plane truss system, and plane truss forms node in interior centre of support, makes the whole interior structural system that forms the space that supports.
When this routine steel pipe 1 diameter was 12.4m, intrinsic compression rod 2 needed to use φ 165 * 4.5 steel pipes, and the design can change into and adopt φ 108 * 4, and single Pin weight is kept to 1145Kg by 1650Kg.And bearing capacity is brought up to the design work load of 150kN by not enough 82kN.
The foregoing description is the specific case that the purpose of this utility model, technological scheme and beneficial effect are further described only, and the utility model is not to be defined in this.All any modifications of within scope of disclosure of the present utility model, being made, be equal to replacement, improvement etc., all be included within the protection domain of the present utility model.
Claims (5)
1. huge steel pipe inner supporting structure, comprise centerbody (3) that is in the axle center and the 2N root compression rod (2) that is connected with centerbody (3), N is 4～10 positive integer, compression rod (2) is the rice font structure that is symmetrically formed the plane with the center, the adjacent compression rod (2) of single Pin plane structure has cross bar (4) to connect, there is jackscrew (2-1) outer end of each compression rod (2), holds out against on steel pipe (1) inwall; Make to install in two Pin in the tube coupling for one of steel pipe (1) and support, the plane of interior support is vertical with the tube coupling central axis, it is characterized in that:
There is the diagonal web member (5) that the n group is intersected to connect between the corresponding per two parallel compression rods (2) that support in two Pin in the manufacturing tube coupling of described steel pipe (1), n is 1～4 positive integer, every compression rod (2) is divided into the n section along its length, and 2n root diagonal web member (5) connects each parallel two ends to every section of compression rod (2) of two Pin.
2. huge steel pipe inner supporting structure according to claim 1 is characterized in that:
Described compression rod (2) is divided into equal n section.
3. huge steel pipe inner supporting structure according to claim 1 and 2 is characterized in that:
The adjacent compression rod (2) of described single Pin plane structure and the tie point of cross bar (4) are positioned at the middle part of compression rod (2) length direction.
4. huge steel pipe inner supporting structure according to claim 1 is characterized in that:
Described compression rod (2) is divided into equal 2 sections, has 2 groups of diagonal web members (5) that intersect to connect between per two parallel compression rods (2).
5. huge steel pipe inner supporting structure according to claim 3 is characterized in that:
The adjacent compression rod (2) of described single Pin plane structure and the tie point of cross bar (4) are positioned at the mid point of compression rod (2) length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920141303XU CN201487378U (en) | 2009-09-09 | 2009-09-09 | Inner supporting structure of huge steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920141303XU CN201487378U (en) | 2009-09-09 | 2009-09-09 | Inner supporting structure of huge steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201487378U true CN201487378U (en) | 2010-05-26 |
Family
ID=42426257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920141303XU Expired - Fee Related CN201487378U (en) | 2009-09-09 | 2009-09-09 | Inner supporting structure of huge steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201487378U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380733A (en) * | 2011-09-07 | 2012-03-21 | 无锡市创新化工设备有限公司 | Internal support fixture for splicing large flanges |
| CN103341531A (en) * | 2013-07-19 | 2013-10-09 | 中国水利水电第六工程局有限公司 | Inner support device for manufacturing penstock |
| CN111703738A (en) * | 2020-08-10 | 2020-09-25 | 中国建筑第八工程局有限公司 | Self-balancing internal support structure of large-diameter thin-wall circular tube and support method thereof |
-
2009
- 2009-09-09 CN CN200920141303XU patent/CN201487378U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380733A (en) * | 2011-09-07 | 2012-03-21 | 无锡市创新化工设备有限公司 | Internal support fixture for splicing large flanges |
| CN103341531A (en) * | 2013-07-19 | 2013-10-09 | 中国水利水电第六工程局有限公司 | Inner support device for manufacturing penstock |
| CN111703738A (en) * | 2020-08-10 | 2020-09-25 | 中国建筑第八工程局有限公司 | Self-balancing internal support structure of large-diameter thin-wall circular tube and support method thereof |
| CN111703738B (en) * | 2020-08-10 | 2022-06-28 | 中国建筑第八工程局有限公司 | Self-balancing inner support structure of large-diameter thin-wall circular tube and support method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106677591A (en) | Anti-buckling reinforcing device for angle steel of power transmission tower | |
| CN103161349B (en) | Prestressing force steel reinforced concrete combined tower rod structure | |
| CN201487378U (en) | Inner supporting structure of huge steel pipe | |
| CN102677943B (en) | Mounting structure for three-tube tube-in-tube chimney | |
| CN202924630U (en) | Tower crane and standard knot thereof | |
| CN202787047U (en) | Deck type triangular steel truss composite beam | |
| CN202611312U (en) | Three-pipe sleeve type chimney installation structure | |
| CN204475668U (en) | A kind of FRP pipe-concrete-many steel pipe hollows combine single case or many casees multicell beam | |
| CN102787695B (en) | Core-sleeve combined pressure bar | |
| CN203947610U (en) | Truss support between a kind of factory building columns with anti-buckling energy-consumption | |
| CN102720269B (en) | Multilayer cantilever rigid cylindrical structure system | |
| CN200999702Y (en) | Novel tower barrel of wind generating set | |
| CN104453222B (en) | Assembly type truss mould plate supports | |
| CN107795184B (en) | Truss bearing platform structure of three-pipe sleeve type chimney | |
| CN106310934B (en) | Denitration high temperature flue pull rod fixed knot constructs | |
| CN111455819B (en) | Support between pre-compaction steel pipe concrete rib | |
| CN112144686B (en) | Green assembled buckling restrained brace | |
| CN203514932U (en) | Multi-pipe suspension type chimney inner barrel support structure system | |
| CN206545426U (en) | A kind of anti-buckling bracing means of power transmission tower frame angle steel | |
| CN103422587B (en) | Intelligent monitoring maintenance-free buckling restrained brace of carbon fiber resistance sensing layer | |
| CN203257087U (en) | High-strength fast-dismantling steel pipe support system | |
| CN202989765U (en) | Splicing type corrugated steel plate heel post | |
| CN219621954U (en) | Corner support node for reducing calculated length outside wind-resistant cylindrical surface | |
| CN203188674U (en) | Prestressing force reinforced concrete combined type tower column structure | |
| CN219297950U (en) | Continuous box girder with corrugated steel web steel-concrete combined structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20100909 |