CN108412037A - A kind of assembled hollow hub node applied to grid shell - Google Patents
A kind of assembled hollow hub node applied to grid shell Download PDFInfo
- Publication number
- CN108412037A CN108412037A CN201810404389.4A CN201810404389A CN108412037A CN 108412037 A CN108412037 A CN 108412037A CN 201810404389 A CN201810404389 A CN 201810404389A CN 108412037 A CN108412037 A CN 108412037A
- Authority
- CN
- China
- Prior art keywords
- hub body
- fixture
- bolt
- sealing plate
- hub
- 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.)
- Pending
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Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
-
- 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
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
Landscapes
- 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 kind of assembled hollow hub nodes applied to grid shell, for connecting the rod piece for needing to assemble, including hub body, sealing plate, fixture, sleeve and drag-line, the external wall cutting of hub is provided with joint face, and joint face is equipped with bolt hole, and hub body is connected by high-strength bolt with sealing plate, sealing plate is fixedly connected with rod piece, sleeve is set on the high-strength bolt between hub body and sealing plate, and high-strength bolt is equipped with sliding slot, and sleeve is equipped with and the matched pin for suppressing metal of sliding slot；The upper and lower ends of hub body are respectively equipped with the cover board with bolt hole, and cover board is equipped with punching bolt；Fixture is set to below hub body, drag-line passes through fixture, fixture to be divided into disk, mid-game and lower wall, and upper disk is equipped with for being bolted fixed screwed hole of centre with punching, upper disk, mid-game and lower wall surrounding are correspondingly set respectively there are four threaded hole, for being bolted and fixing.Construction precision can be improved in the node, saves the duration, can effectively avoid the residual stress that site welding is brought.
Description
Technical field
The present invention relates to the node structures in architectural engineering, and in particular to a kind of assembly applied to large span grid shell
Formula hollow hub node.
Background technology
Rope support structure is a kind of mixed structure of rigid bar and flexible cable composition, and each of quadrilateral mesh is diagonal
Line is connected using drag-line, has good stress performance and wide applicability.Rope support structure interior joint mostly uses welding at present
Node, such as partition board welding node, thick walled steel tube node, welding connection node need on-site consolidation to weld, and construction is cumbersome, unfavorable
In the development of building industrialization, and excessive weld seam can influence joints performance.Above-mentioned factor constrains pushing away for grid shell
Wide and application.
Invention content
Purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of assembled applied to grid shell
Hollow hub node, the node can realize the prefabricated construction of single layer grid shell, improve construction precision, save the duration, can have
Effect avoids the residual stress that site welding is brought.Simultaneously, it can be achieved that the installation and tensioning of lower part drag-line, effectively prevent bolt
The anchoring efficiency of " vacation is tightened " phenomenon, connection stiffness, bearing capacity and drag-line can be effectively ensured, and single layer rope support net is beneficial to
The further genralrlization application of shell.Additionally there is excellent mechanical property, and can realize that the assembled in situ of node and drag-line is applied
Work.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of assembled hollow hub node applied to grid shell, the rod piece assembled for connecting needs, including hub body,
Sealing plate, fixture, sleeve and drag-line, the external wall cutting of hub are provided with joint face, and the joint face is equipped with bolt hole, described
Hub body is connected by high-strength bolt with the sealing plate, and the sealing plate is fixedly connected with rod piece, and the sleeve is set to hub body and envelope
On high-strength bolt between plate, the high-strength bolt is equipped with sliding slot, and the sleeve is equipped with matched tight with the sliding slot
Gu pin；The upper and lower ends of the hub body are respectively equipped with the cover board with bolt hole, and cover board is equipped with punching bolt；The fixture
It is set to below hub body, the drag-line passes through fixture, and fixture is divided into disk, mid-game and lower wall, and the upper disk, which is equipped with, to be used for and institute
It states punching and is bolted fixed screwed hole of centre, the upper disk, mid-game and lower wall surrounding correspondingly set that there are four spiral shells respectively
Pit, for being bolted and fixing.
Further, each hub body is equipped with 4-8 joint face, and each joint face is equipped at least two bolts hole.
Further, the width of the joint face is more than the outer diameter of sleeve.
Further, the hub body is internally provided with the arc spacer for being connected with high-strength bolt.
Further, circumferential ribbed stiffener can be set in the hub body.
Further, the arc groove contacted with drag-line is equipped between upper disk and mid-game, mid-game and lower wall.
Compared with prior art, advantageous effect caused by technical scheme of the present invention is：
1. the Path of Force Transfer of node of the present invention is clear：When node is acted on by axial compressive force, axle power is transferred to hub body by sleeve；
When node is by axis pulling force effect, axle power is transferred to hub body by high-strength bolt；When node is by Moment inside and outside reticulated shell plane,
Moment of flexure is transferred to hub body by tensile region high-strength bolt and compressive region sleeve.
2. the bearing capacity characteristics of node of the present invention are codetermined by the bearing capacity of high-strength bolt, sleeve and hub body, when hub body
Lack of support when, circumferential ribbed stiffener can be added, while the rigidity and bearing capacity of hollow hub also can be improved in the above, the lower lid.
3. node of the present invention is connected with performances such as bearing capacities better than traditional bolt in the out-of-plane bending stiffness of reticulated shell
Point.
4. node of the present invention is prefabricated after the completion, it can be achieved that live quick-assembling and repetition dismounting, drag-line and folder in the factory
Tool is placed in below node, is convenient for the tensioning and clamping of drag-line.
Description of the drawings
Fig. 1 is the structural schematic diagram of node of the present invention.
Fig. 2-1 to 2-4 is the structural schematic diagram of high-strength bolt, sleeve, sealing plate, arc spacer respectively.
Fig. 3 is the structural schematic diagram of holder part.
Fig. 4 is provided with the structural schematic diagram of the hub body of circumferential ribbed stiffener.
Reference numeral：1- hub bodies, 2- high-strength bolts, 3- sleeves, 4- arc spacers, 5- sealing plates, 6- rod pieces, 7- punching spiral shells
Bolt, 8- cover boards, 9- fixtures, 10- drag-lines, 11- bolts, 12- sliding slots, 13- pins for suppressing metal, 14- screwed hole of centre, 15- threaded holes
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, a kind of assembled hollow hub node applied to grid shell needs to assemble for connecting
Rod piece 6, including hub body 1, sealing plate 5, fixture 9, sleeve 3 and drag-line 10, the cutting of 1 outer wall of hub body is provided with joint face, this implementation
Hub body 1 is chosen thick walled steel tube or round steel and is made using techniques such as cutting, the flat, drillings of milling in example, and joint face is equipped with bolt
The central axis in hole, bolt hole intersects with the central axis upright of hub body 1.
Hub body 1 is connected by high-strength bolt 2 with sealing plate 5, and for sealing plate 5 with rod piece 6 using being welded to connect, sleeve 3 is set to hub
On high-strength bolt 2 between body 1 and sealing plate 5, high-strength bolt 2 is equipped with sliding slot 12, and sleeve 3 is equipped with matched with sliding slot 12
Pin for suppressing metal 13；High-strength bolt 2 needs to meet in the present embodiment《High-strength bolt used for steel net frame bolt ball node》(GB/T16939-
1997) it requires, need to ensure that nut tightens rear thread and can back-out the length of at least three screw pitch, and the mutual collisionless of bolt.Spiral shell
Bolt type number is determined by joints.3 material of sleeve preferably uses Q235, Q345 or No. 45 steel, and should correspond with GB/T700, GB/
The regulation of T1591 and CB/T699；Sealing plate 5 can be used steel plate cutting, groove milling and drilling and make.6 both ends of rod piece are used with sealing plate 5
Complete penetration butt weld connects, and guarantee etc. is strong.
The upper and lower ends of hub body 1 are respectively equipped with the cover board 8 with bolt hole, and cover board 8 is equipped with punching bolt by bolt hole
7；Fixture 9 is set to the lower section of hub body 1, and drag-line 10 passes through fixture 9, and fixture 9 divides for upper disk, mid-game and lower wall, and upper disk is equipped with and is used for
The screwed hole of centre 14 being connected and fixed with punching bolt 7, upper disk, mid-game and lower wall surrounding are correspondingly set respectively there are four screw thread
Hole 15 connects and fixes for passing through bolt 11.It is equipped between this external upper disk and mid-game, mid-game and lower wall and contacts with drag-line
Arc groove.
Preferably, when the intensity deficiency of hub body 1, circumferential ribbed stiffener can be set, as shown in Figure 4, set inside hub body in addition
It is useful for the arc spacer connected with high-strength bolt 4.
Preferably, punching bolt 7 and bolt 11 are screwed into the effective depth of disk on fixture to be no less than 1.1 times of screw thread nominals straight
Diameter.
The present invention is not limited to embodiments described above.Above the description of specific implementation mode is intended to describe and say
Bright technical scheme of the present invention, the above mentioned embodiment is only schematical, is not restrictive.This is not being departed from
In the case of invention objective and scope of the claimed protection, those skilled in the art may be used also under the inspiration of the present invention
The specific transformation of many forms is made, within these are all belonged to the scope of protection of the present invention.
Claims (6)
1. a kind of assembled hollow hub node applied to grid shell, for connecting the rod piece for needing to assemble, which is characterized in that
Including hub body, sealing plate, fixture, sleeve and drag-line, the external wall cutting of hub is provided with joint face, and the joint face is equipped with spiral shell
Keyhole, the hub body are connected by high-strength bolt with the sealing plate, and the sealing plate is fixedly connected with rod piece, and the sleeve is set to
On high-strength bolt between hub body and sealing plate, the high-strength bolt is equipped with sliding slot, and the sleeve is equipped with and the sliding slot phase
The pin for suppressing metal of cooperation；The upper and lower ends of the hub body are respectively equipped with the cover board with bolt hole, and cover board is equipped with punching bolt；
The fixture is set to below hub body, and the drag-line passes through fixture, fixture to be divided into disk, mid-game and lower wall, and the upper disk is equipped with
For being bolted fixed screwed hole of centre with the punching, the upper disk, mid-game and lower wall surrounding are correspondingly set respectively
There are four threaded holes, for being bolted and fixing.
2. a kind of assembled hollow hub node applied to grid shell according to claim 1, which is characterized in that each hub
Body is equipped with 4-8 joint face, and each joint face is equipped at least two bolts hole.
3. a kind of assembled hollow hub node applied to grid shell according to claim 1, which is characterized in that the company
The width of junction is more than the outer diameter of sleeve.
4. a kind of assembled hollow hub node applied to grid shell according to claim 1 or claim 2, which is characterized in that institute
It states hub body and is internally provided with arc spacer for being connected with high-strength bolt.
5. a kind of assembled hollow hub node applied to grid shell according to claim 1 or claim 2, which is characterized in that institute
Circumferential ribbed stiffener can be arranged by stating in hub body.
6. a kind of assembled hollow hub node applied to grid shell according to claim 1, which is characterized in that upper disk and
The arc groove contacted with drag-line is equipped between mid-game, mid-game and lower wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404389.4A CN108412037A (en) | 2018-04-28 | 2018-04-28 | A kind of assembled hollow hub node applied to grid shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404389.4A CN108412037A (en) | 2018-04-28 | 2018-04-28 | A kind of assembled hollow hub node applied to grid shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412037A true CN108412037A (en) | 2018-08-17 |
Family
ID=63137330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810404389.4A Pending CN108412037A (en) | 2018-04-28 | 2018-04-28 | A kind of assembled hollow hub node applied to grid shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412037A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894145A (en) * | 2020-09-04 | 2020-11-06 | 山东建筑大学 | Double-section high-strength bolt anti-loosening connecting node for space grid structure and construction and installation method thereof |
| CN113605527A (en) * | 2021-09-26 | 2021-11-05 | 山东建筑大学 | Aluminum alloy rectangular pipe single-layer latticed shell bolt connection node and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296829A (en) * | 2011-06-03 | 2011-12-28 | 中国建筑第八工程局有限公司 | Method for constructing three-dimensional cable net curtain wall and node connection member used in same |
| CN105625564A (en) * | 2016-01-26 | 2016-06-01 | 天津大学 | Assembly type hollow hub joint |
| CN105672477A (en) * | 2016-01-26 | 2016-06-15 | 天津大学 | High-strength bolt hollow hub node |
| CN106437170A (en) * | 2016-04-17 | 2017-02-22 | 北京工业大学 | Installation method for annular cross cable system supporting dome structure |
| CN208329155U (en) * | 2018-04-28 | 2019-01-04 | 天津大学 | A kind of assembled hollow hub node applied to grid shell |
-
2018
- 2018-04-28 CN CN201810404389.4A patent/CN108412037A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296829A (en) * | 2011-06-03 | 2011-12-28 | 中国建筑第八工程局有限公司 | Method for constructing three-dimensional cable net curtain wall and node connection member used in same |
| CN105625564A (en) * | 2016-01-26 | 2016-06-01 | 天津大学 | Assembly type hollow hub joint |
| CN105672477A (en) * | 2016-01-26 | 2016-06-15 | 天津大学 | High-strength bolt hollow hub node |
| CN106437170A (en) * | 2016-04-17 | 2017-02-22 | 北京工业大学 | Installation method for annular cross cable system supporting dome structure |
| CN208329155U (en) * | 2018-04-28 | 2019-01-04 | 天津大学 | A kind of assembled hollow hub node applied to grid shell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894145A (en) * | 2020-09-04 | 2020-11-06 | 山东建筑大学 | Double-section high-strength bolt anti-loosening connecting node for space grid structure and construction and installation method thereof |
| CN113605527A (en) * | 2021-09-26 | 2021-11-05 | 山东建筑大学 | Aluminum alloy rectangular pipe single-layer latticed shell bolt connection node and manufacturing method thereof |
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