CN105672477A - High-strength bolt hollow hub node - Google Patents
High-strength bolt hollow hub node Download PDFInfo
- Publication number
- CN105672477A CN105672477A CN201610052545.6A CN201610052545A CN105672477A CN 105672477 A CN105672477 A CN 105672477A CN 201610052545 A CN201610052545 A CN 201610052545A CN 105672477 A CN105672477 A CN 105672477A
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- CN
- China
- Prior art keywords
- hollow hub
- strength bolt
- node
- strength
- nut
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- 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.)
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Classifications
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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
- E04B1/32—Arched structures; Vaulted structures; Folded structures
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a high-strength bolt hollow hub node which comprises a hollow hub, wherein connecting holes for connecting high-strength bolts are formed in the hollow hub; unthreaded screw nuts and connecting plates are sequentially connected with the outer side of the hollow hub through the high-strength bolts; gaskets and screw nuts for fixing the high-strength bolts are arranged on the inner side of the hollow hub; fastening screws are arranged on the unthreaded screw nuts; sliding grooves for clamping the fastening screws are formed in the high-strength bolts; the connecting plates are fixedly connected with rod members. By adoption of the high-strength bolt hollow hub node, assembling construction of a single-layer net shell can be achieved, on-site welding is not needed, welding heat influence is reduced, the construction precision is improved, the construction period is shortened, the phenomenon of 'fake screwing' of the bolts is effectively prevented, and the rigidity and the bearing capacity of the node are ensured, so that popularization and application of a large-span structure can be facilitated.
Description
Technical field
The present invention relates to the large-span space structure that a kind of stress is complicated, in particular, relate to the single-layer latticed shell of a kind of high-strength bolt hollow hub node.
Background technology
Existing " spatial mesh structure technical regulation " (JGJ7-2010) specifies, single-layer lattice shell should adopt rigid joint, such as welded spherical node, rod member many employings round steel pipe, rectangular steel pipe and H profile steel etc., it is applied to the node of single-layer lattice shell at present and has welded hollow spherical joints, dividing plate welding node, thick walled steel tube node, tubular joint and a cast steel node etc., but these joint forms all Shortcomings. The welding connection nodes such as welded hollow spherical joints, dividing plate welding node and thick walled steel tube node need on-site consolidation to weld, and construct loaded down with trivial details, are unfavorable for the development of building industrialization, and too much weld seam can affect joints performance; The size of supervisor and arm be there are certain requirements by tubular joint, constrains its application to a certain extent; But cast steel node function admirable high cost, is unsuitable for popularization and application on a large scale. Therefore, a kind of convenient and quick construction, the single-layer lattice shell joint form that stress performance is excellent need to be developed.
Summary of the invention
The invention aims to overcome deficiency of the prior art, a kind of high-strength bolt hollow hub node suitable in single-layer latticed shell is provided, this node is capable of the fabricated construction of single-layer lattice shell, eliminate Site Welding, reduce welding heat affected, improve construction precision, save the duration, and can effectively prevent " vacation is tightened " phenomenon of bolt, it is ensured that connection stiffness and bearing capacity are beneficial to the popularization and application of large span spatial structure.
It is an object of the invention to be achieved through the following technical solutions:
A kind of high-strength bolt hollow hub node, including hollow hub, described hollow hub is provided with the connecting hole for connecting high-strength bolt, the outside of described hollow hub is sequentially connected with or without stricture of vagina nut and connecting plate by described high-strength bolt, the inner side of described hollow hub is provided with the pad for fixing described high-strength bolt and nut, being provided with trip bolt on described nut without stricture of vagina, described high-strength bolt is provided with the chute for blocking described trip bolt, described connecting plate is fixedly connected with rod member.
It is provided with ribbed stiffener in described hollow hub. Described ribbed stiffener can be arranged circumferentially the inside at hollow hub. Described ribbed stiffener also can be radially arranged in the inside of hollow hub.
Described pad is annular gasket or arc pad.
Described connecting plate is provided with the weld groove for connecting rod.
Strength grade >=the 8.8S of described high-strength bolt.
Compared with prior art, technical scheme is had the benefit that
(1) outside of hollow core hub of the present invention is sequentially connected with or without stricture of vagina nut and connecting plate by high-strength bolt, the inner side of hollow hub is provided with the pad for fixing described high-strength bolt and nut, the Path of Force Transfer of node is clear and definite: when node is by axial pressure effect, axle power is transferred to hollow hub by without stricture of vagina nut pressurized; When node is by axle pulling force effect, axle power is transferred to nut by high-strength bolt tension, then is transferred to hollow hub by nut and pad; When direction Moment outside node is subject to net shell plane, moment of flexure is transmitted without stricture of vagina nut pressurized by tensile region high-strength bolt tension and compressive region; When node is subject to direction Moment in net shell plane, moment of flexure is by the extruding force transmission between the nut without stricture of vagina of high-strength bolt tension and pressurized side and hollow hub; The bearing capacity characteristics of the node bearing capacity by high-strength bolt, without stricture of vagina nut and hollow hub together decides on.
(2) node of the present invention is due to compact overall structure, rationally distributed, and higher in the out-of-plane bending rigidity of net shell, performance is better than traditional bolt connection node. And can in the factory prefabricated complete after, realize quick-assembling at engineering site and repeat dismounting, and can immediately detect construction quality, effectively prevent " vacation is tightened " phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the explosive view of part-structure in Fig. 1.
The explosive view of part-structure when Fig. 3 is to adopt arc pad.
Fig. 4 is the partial cross structural representation of the present invention.
Fig. 5 is bolt arrangement schematic diagram in the present invention.
Fig. 6 is the structural representation in the present invention without stricture of vagina nut.
Fig. 7 is the structural representation of connecting plate in the present invention.
Fig. 8 (a), Fig. 8 (b) and Fig. 8 (c) be respectively the present invention hollow hub in be not provided with in ribbed stiffener, hollow hub being provided with being provided with in radially ribbed stiffener, hollow hub the structural representation of hoop ribbed stiffener.
Accompanying drawing labelling: 1-hollow hub 2-high-strength bolt 3-connecting plate 4-is without stricture of vagina nut 5-trip bolt 6-chute 7-pad 8-nut 9-rod member
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figures 1 to 7, a kind of high-strength bolt hollow hub node, including hollow hub 1, hollow hub 1 is provided with the connecting hole for connecting high-strength bolt 2, the outside of hollow hub 1 is sequentially connected with or without stricture of vagina nut 4 and connecting plate 3 by described high-strength bolt 2, the inner side of described hollow hub 1 is provided with the pad 7 for fixing described high-strength bolt 2 and nut 8, and pad 7 is annular gasket or arc pad, adopts and also should carry out the flat process of milling at the inwall correspondence position of hollow hub 1 during annular gasket; Nut without stricture of vagina 4 is provided with trip bolt 5, high-strength bolt 2 is provided with the chute 6 for blocking trip bolt 5, chute 6 is made up of deep trouth and shallow slot, connecting plate 3 is provided with weld groove, connecting plate 3 is welded and fixed by weld groove and rod member 9, in the present embodiment, rod member 9 is concrete filled rectangular steel tube members, and the end of rod member 9 carries out bevel cut process.
Fig. 8 (a) show the structural representation being not provided with ribbed stiffener in hollow hub 1, as shown in Fig. 8 (b) or Fig. 8 (c), when the intensity deficiency of hollow hub 1, ribbed stiffener can be radially arranged or be arranged circumferentially ribbed stiffener to improve intensity in hollow hub 1.
The present embodiment hollow core hub 1 adopts the technique such as cutting, flat, the boring of milling to be made by choosing thick walled steel tube or round steel, the central axis of the connecting hole being arranged on hollow hub 1 intersects with the central axis upright of hollow hub 1, and the milling flat width outside hollow hub 1 is more than the external diameter without stricture of vagina nut 4;Strength grade >=the 8.8S of high-strength bolt 2, " high-strength bolt used for steel net frame bolt ball node " (GB/T16939-1997) requirement need to be met, need to ensure that nut 8 is tightened the screw thread of rear high-strength bolt 2 and can be back-outed the length of at least 3 pitch and the mutual collisionless of high-strength bolt 2; Nut without stricture of vagina 4 material should adopt Q235, Q345 or No. 45 steel, and should correspond with the regulation of GB/T700, GB/T1591 and CB/T699; Connecting plate 3 can adopt steel plate cutting, groove milling and boring to be made; Rod member 9 two ends adopt complete penetration butt weld to be connected with connecting plate 3, it is ensured that wait strong. In the model of high-strength bolt 2 and hollow hub 1, the bore position of connecting hole is determined by joints situation, and the angle of rod member 9 and hollow hub axis is equal to angle between rod member 9 and connecting plate 3, parallel with hollow hub axis to ensure connecting plate place plane.
First high-strength bolt is inserted the preformed hole position connecting plate from the connecting plate side with weld groove during node installation of the present invention, fix without stricture of vagina nut and trip bolt at connecting plate opposite side temporarily, and connecting plate and rod member are welded and fixed, above operation completes in processing factory; At engineering site by high-strength bolt through the connecting hole of hollow hub, screw without stricture of vagina nut with spanner outside hollow hub, after pad is installed, fastening nut inside hollow hub, until bolt is back-outed length with execute screwing torque and reach requirement.
Claims (7)
1. a high-strength bolt hollow hub node, including hollow hub, it is characterized in that, described hollow hub is provided with the connecting hole for connecting high-strength bolt, the outside of described hollow hub is sequentially connected with or without stricture of vagina nut and connecting plate by described high-strength bolt, the inner side of described hollow hub is provided with the pad for fixing described high-strength bolt and nut, described nut without stricture of vagina is provided with trip bolt, being provided with the chute for blocking described trip bolt on described high-strength bolt, described connecting plate is fixedly connected with rod member.
2. a kind of high-strength bolt hollow hub node according to claim 1, it is characterised in that be provided with ribbed stiffener in described hollow hub.
3. a kind of high-strength bolt hollow hub node according to claim 2, it is characterised in that described ribbed stiffener is arranged circumferentially the inside at hollow hub.
4. a kind of high-strength bolt hollow hub node according to claim 2, it is characterised in that described ribbed stiffener is radially arranged in the inside of hollow hub.
5. a kind of high-strength bolt hollow hub node according to claim 1, it is characterised in that described pad is annular gasket or arc pad.
6. a kind of high-strength bolt hollow hub node according to claim 1, it is characterised in that be provided with the weld groove for connecting rod on described connecting plate.
7. a kind of high-strength bolt hollow hub node according to claim 1, it is characterised in that the strength grade >=8.8S of described high-strength bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610052545.6A CN105672477A (en) | 2016-01-26 | 2016-01-26 | High-strength bolt hollow hub node |
Applications Claiming Priority (1)
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CN201610052545.6A CN105672477A (en) | 2016-01-26 | 2016-01-26 | High-strength bolt hollow hub node |
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CN105672477A true CN105672477A (en) | 2016-06-15 |
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CN201610052545.6A Pending CN105672477A (en) | 2016-01-26 | 2016-01-26 | High-strength bolt hollow hub node |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106049680A (en) * | 2016-07-13 | 2016-10-26 | 华电重工股份有限公司 | Combined framework with grid frame and truss being located on same plane and connecting piece |
CN106592778A (en) * | 2016-12-19 | 2017-04-26 | 东南大学 | Hollowed-out circular-ring-shaped space grid structure assembly type joint |
CN106592762A (en) * | 2017-01-25 | 2017-04-26 | 哈尔滨工业大学 | Space assembling type bolt-column joint |
CN106836476A (en) * | 2017-01-22 | 2017-06-13 | 东南大学 | Hexagonal space network assembling type node in a kind of outer shroud |
CN108412037A (en) * | 2018-04-28 | 2018-08-17 | 天津大学 | A kind of assembled hollow hub node applied to grid shell |
Citations (7)
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EP0386606A1 (en) * | 1989-03-08 | 1990-09-12 | Scandinavian Space Construction A/S | A structural node joint, especially for use in grid structures |
CN201221132Y (en) * | 2008-07-08 | 2009-04-15 | 上海信安幕墙建筑装饰有限公司 | Building network frame node component |
CN202899307U (en) * | 2012-10-12 | 2013-04-24 | 天津大学 | Joint structure for adjusting degrees of high-strength bolt screwed into bolt ball in bolt ball space grid structure |
CN104652618A (en) * | 2015-02-11 | 2015-05-27 | 东南大学 | Space gridding steel structure assembly type node and assembling method thereof |
CN104805911A (en) * | 2015-05-08 | 2015-07-29 | 哈尔滨工业大学 | Node system for laminated wood space structure |
CN105178443A (en) * | 2015-07-31 | 2015-12-23 | 天津大学 | Bolt connecting joint suitable for single-layer latticed shell with rectangular steel pipes |
CN205382565U (en) * | 2016-01-26 | 2016-07-13 | 天津大学 | Hollow hub node of high strength bolt |
-
2016
- 2016-01-26 CN CN201610052545.6A patent/CN105672477A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0386606A1 (en) * | 1989-03-08 | 1990-09-12 | Scandinavian Space Construction A/S | A structural node joint, especially for use in grid structures |
CN201221132Y (en) * | 2008-07-08 | 2009-04-15 | 上海信安幕墙建筑装饰有限公司 | Building network frame node component |
CN202899307U (en) * | 2012-10-12 | 2013-04-24 | 天津大学 | Joint structure for adjusting degrees of high-strength bolt screwed into bolt ball in bolt ball space grid structure |
CN104652618A (en) * | 2015-02-11 | 2015-05-27 | 东南大学 | Space gridding steel structure assembly type node and assembling method thereof |
CN104805911A (en) * | 2015-05-08 | 2015-07-29 | 哈尔滨工业大学 | Node system for laminated wood space structure |
CN105178443A (en) * | 2015-07-31 | 2015-12-23 | 天津大学 | Bolt connecting joint suitable for single-layer latticed shell with rectangular steel pipes |
CN205382565U (en) * | 2016-01-26 | 2016-07-13 | 天津大学 | Hollow hub node of high strength bolt |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106049680A (en) * | 2016-07-13 | 2016-10-26 | 华电重工股份有限公司 | Combined framework with grid frame and truss being located on same plane and connecting piece |
CN106049680B (en) * | 2016-07-13 | 2018-06-26 | 华电重工股份有限公司 | A kind of rack and truss coplanar built up construction and connector |
CN106592778A (en) * | 2016-12-19 | 2017-04-26 | 东南大学 | Hollowed-out circular-ring-shaped space grid structure assembly type joint |
CN106592778B (en) * | 2016-12-19 | 2019-03-19 | 东南大学 | A kind of hollow out annular space network assembling type node |
CN106836476A (en) * | 2017-01-22 | 2017-06-13 | 东南大学 | Hexagonal space network assembling type node in a kind of outer shroud |
CN106592762A (en) * | 2017-01-25 | 2017-04-26 | 哈尔滨工业大学 | Space assembling type bolt-column joint |
CN108412037A (en) * | 2018-04-28 | 2018-08-17 | 天津大学 | A kind of assembled hollow hub node applied to grid shell |
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Application publication date: 20160615 |