CN105821963A - Single-layer space lattice structure assembled double-ring node - Google Patents
Single-layer space lattice structure assembled double-ring node Download PDFInfo
- Publication number
- CN105821963A CN105821963A CN201610179054.8A CN201610179054A CN105821963A CN 105821963 A CN105821963 A CN 105821963A CN 201610179054 A CN201610179054 A CN 201610179054A CN 105821963 A CN105821963 A CN 105821963A
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- China
- Prior art keywords
- node
- shrouding
- rod member
- main rod
- cycle
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- 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
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2466—Details of the elongated load-supporting parts
Abstract
The invention discloses a single-layer space lattice structure assembled double-ring node, which mainly comprises five parts including center upper and lower node rings, I-shaped connecting elements, a large sealing plate, a small sealing plate, high-strength screw bolts, major rod elements and minor rod elements, wherein the center upper and lower node rings are provided with screw bolt holes; the wing edge parts of the I-shaped connecting elements are provided with screw bolt holes; the large sealing plate and the small sealing plate are rectangular steel plates; the large sealing plate is welded with the I-shaped connecting elements; the small sealing plate is provided with screw bolt holes, and is welded with the rod ends of the minor rod elements; the high-strength screw bolts are connected with the upper and lower node rings and the I-shaped connecting elements; the upper node ring and the small sealing plate are connected; the major rod elements and the minor rod elements are rectangular steel pipes. The node rings can be only connected with the major rod elements and can be connected with both the major rod elements and the minor rod elements; a certain angle can be formed between the node rings and the rod elements. The node provided by the invention can be applicable to a single-layer space lattice structure, and has the characteristics that the mechanical property is good; the assembling performance is high; the construction speed is high; the construction quality can be easily controlled; the construction cost is low, and the like.
Description
Technical field
The present invention relates to building industry space structure design technical field, a kind of assembled dicyclo node being applicable to monolayer spacial framework.
Background technology
Along with improving constantly of architecture design theory and structure design level, the change of monolayer space structure building moulding is more and more flexible, is widely used in large-scale significant steel building.The development of architectural image means that higher requirement to building structure.In monolayer spatial mesh structure, rod member and node are two important component parts, and design of node is then the reliable important guarantee of structure design safety, including joint form and rigidity, intensity etc..Welded hollow spherical joints and bolted spherical node are the main node forms of spatial mesh structure.By long-term engineering experience, designers, based on these nodes, have derived different types of joint form.Wherein, assembling type node have can the feature such as batch production batch production, short construction period, receive significant attention.
Present stage, the assembling type node applying to one way spatial mesh structure mainly has: bolted spherical node and gusset-type joint.The each parts of bolted spherical node all can be produced in batches in factory, and scene is convenient to mount and dismount.But the processing highly become more meticulous brings the raising of cost, and is typically pressed hinged joint process in the application, it is not recommended that use in monolayer spatial mesh structure.The connection scheme simple possible of gusset-type joint, but the rod member of the design limit of node structure itself can only use i shaped cross section, and all rod members of same node are connected on a center ingot, cause rod portion primary and secondary, the height of all rod members must be identical, causes the waste of material.
A kind of monolayer spatial mesh structure assembled dicyclo node that the present invention proposes, assembly performance is good, and requirement on machining accuracy is low, both can connect main rod member, it is possible to connects secondary member, has a good application prospect in monolayer spatial mesh structure.
Summary of the invention
Technical problem: the problem existed for existing assembling type node, it is an object of the invention to propose a kind of monolayer spatial mesh structure assembled dicyclo node, and it can be realized by standard machinery processing, and assembling is high, and cost is relatively low.
Technical scheme: the present invention is a kind of monolayer spatial mesh structure assembled dicyclo node, and this dicyclo node includes: upper node cycle, lower node ring, main rod member, shrouding connector, high-strength bolt;Wherein, upper node cycle, lower node ring are coaxially disposed, and shrouding connector is fixed on the inner of main rod member, are provided with screw on shrouding connector, and main rod member is connected with upper node cycle and lower node ring by high-strength bolt by this screw.
Described upper node cycle, the periphery of lower node ring connect main rod member, also two main rod members can be replaced with secondary member, and secondary member is only connected with upper node cycle.
Described secondary member rod end and little seal plate welding, then be connected with upper node cycle by high-strength bolt.
Described shrouding connector is rectangle steel plate, is provided with bolt hole on the upper and lower edge of a wing, and is provided with female thread, is connected with upper and lower node cycle by high-strength bolt, with main rod member for welding.
Described little shrouding is rectangular steel plates, is provided with bolt hole, and is threaded, and one side is welded on secondary member rod end, and one side is connected with upper node cycle by high-strength bolt.
Described main rod member and secondary member are the steel pipe of square-section, each rod member rod end and seal plate welding;The quantity of main rod member is identical with the quantity of shrouding connector;Main rod member is all connected with upper and lower node cycle, and secondary member is only connected with upper node cycle.
Beneficial effect: compared with prior art, the invention has the beneficial effects as follows:
1) in the present invention, structure is low to requirement on machining accuracy, and common machining can realize, and processing raw material easily obtains;
2) the invention belongs to assembling type node, its each several part component all can be produced in batches in factory, and weld job the most all completes in factory, and prefabricated degree is high;Scene is mounted directly in place, farthest decreases the work progress impact on environment, reduces the labor intensity of field worker and the difficulty of construction, has that speed of application is fast, construction quality is easily controllable and the feature such as construction cost is low;
3) during the present invention is used in the monolayer spatial mesh structure that can distinguish main stressed member and secondary stressed member, main rod member and secondary member can be simultaneously connected with, save material so that Mechanical Builds is slim and graceful;
4) in the present invention, define effective connection between node cycle, high-strength bolt and shrouding connector, it is ensured that the strength and stiffness of node, and upper and lower two high-strength bolts make the present invention have good moment of flexure transmission performance.
Accompanying drawing explanation
Fig. 1 is the joint structure plane graph of the embodiment of the present invention one;
Fig. 2 is structural representation after the embodiment of the present invention one assembling completes;
Fig. 3 is the embodiment of the present invention one assembly method schematic diagram;
Fig. 4 is that the embodiment of the present invention one assembling completes node 1-1 profile;
Fig. 5 is node cycle plane graph and front elevation view in the embodiment of the present invention one;
Fig. 6 is the embodiment of the present invention once node cycle plane graph and front elevation view;
Fig. 7 is the joint structure plane graph of the embodiment of the present invention two;
Fig. 8 is structural representation after the embodiment of the present invention two assembling completes;
Fig. 9 is the embodiment of the present invention two assembly method schematic diagram;
Figure 10 is that the embodiment of the present invention two assembling completes node 2-2 profile;
Figure 11 is the embodiment of the present invention two upper and lower node cycle plane graph and front elevation view.
In figure: 1, upper node cycle, 2, lower node ring, 3, main rod member, 4, secondary member, 5, shrouding connector, 6, high-strength bolt, 7, little shrouding.
Detailed description of the invention
In node cycle and lower node ring in the heart, solid circle cut and process;Node cycle can both connect main rod member, connects again secondary member, it is possible to only connects main rod member;Can be connected at a certain angle between node cycle with rod member;Limit number is cut according to what the main rod member connected and secondary member quantity determined upper node cycle and lower node ring;Shrouding connector and node cycle are equipped with bolt hole, with the connection of both realizations;
Shrouding connector is rectangle steel plate, is provided with bolt hole on the upper and lower edge of a wing, and is provided with female thread, is connected with upper and lower node cycle by high-strength bolt, with main rod member for welding;
Little shrouding, for rectangular steel plates, is provided with bolt hole, and is threaded, and one side is welded on secondary member rod end, and one side is connected with upper node cycle by high-strength bolt;
High-strength bolt, is made up of nut, screw rod and nut, by high-strength bolt, is connected with shrouding connector, little shrouding respectively by node cycle;
Main rod member and secondary member, for rectangular steel pipe, each rod member rod end and seal plate welding;The quantity of main rod member is identical with the quantity of shrouding connector;Main rod member is all connected with upper and lower node cycle, and secondary member is only connected with upper node cycle.
The invention provides two embodiments.Embodiment one is applicable to clearly to distinguish the monolayer spatial mesh structure of main stressed member and secondary stressed member, especially monolayer triangle space network;Embodiment two is applicable to rod member stress more uniform monolayer spatial mesh structure.Embodiment one is different from the rod member being distinguished as connecting of embodiment two, is mainly reflected in: the upper and lower node cycle of embodiment one connects four main rod members, and upper node cycle connects two secondary members;The upper and lower node cycle of embodiment two connects the main rod member of the six roots of sensation.
Understandable for making present disclosure become apparent from, with instantiation, the detailed description of the invention of the present invention is elaborated below in conjunction with the accompanying drawings.
Embodiment one
Fig. 1 to Fig. 6 is the node schematic diagram of the embodiment of the present invention one, is to discriminate between the node in the monolayer spatial mesh structure of main stressed member and secondary stressed member.In conjunction with Fig. 1, Fig. 2 and Fig. 3, the invention mainly comprises five parts: one is Centroid ring, point upper node cycle 1 and lower node ring 2, solid circle cut and process, ring is provided with bolt hole, can be connected with main rod member 3 and secondary member 4;One is shrouding connector 5, is provided with bolt hole on the upper and lower edge of a wing;One is little shrouding 7, for rectangular steel plates, is provided with bolt hole, and one side is welded on secondary member 4 rod end, and one side is connected with upper node cycle by high-strength bolt 6;One is high-strength bolt 6, connects upper and lower node cycle and shrouding connector, node cycle and little shrouding in connection;One is main rod member 3 and secondary member 4, and for rectangle or rectangular steel tube, the quantity of main rod member is four, and the quantity of secondary member is two.
Fig. 3 is the assembly method schematic diagram of node of the present invention, link point 1, lower node ring 2, main rod member 3, secondary member 4, shrouding connector 5, high-strength bolt 6 and little shrouding 7 in the heart in being prefabricated in the factory, high-strength bolt and shrouding connector, the welding of little shrouding, shrouding connector and the welding of main rod member, and the welding of little shrouding and secondary member all completes in factory, after the component welded is the most again by passing Centroid ring by high-strength bolt, tightens with nut and be attached.
Fig. 4 is the section graphics having assembled posterior nodal point.
Fig. 5 be in the structure of node cycle 1 in the heart, cut by annulus in factory and form, the quantity of rod member determines the external diameter of Centroid ring and cuts limit quantity, cuts width identical with the width of rod member;Threaded bolt hole it is provided with in the middle part of limit cutting;The interior diameter tightening nuts to be of annulus reserves enough spaces.
The structure of Tu6Shi center lower node ring 2.
Embodiment two
Fig. 7 to Figure 10 is the schematic diagram of the embodiment of the present invention two.When each rod member stress of monolayer space grid structure is more uniform, it is identical with embodiment one that all rod members that Centroid ring connects are main rod member 3, other components and connected mode.
Below present invention processing and assembling process are illustrated:
1. according to engineering concrete condition, monolayer spatial mesh structure is designed, determines the stressing conditions of node, determine that joint form is embodiment one or embodiment two and the specification of rod member;
2. according to the data of the first step, calculate Centroid ring, shrouding connector and the size of high-strength bolt further, determine the performance rate of high-strength bolt and the trade mark of steel.Wherein, the height of shrouding connector is identical with rod member height.
3., according to the data of second step, complete processing and the welding of each component in factory.Wherein, high-strength bolt passes shrouding connector, and nut and shrouding connector weld together, and shrouding connector is welded with the one side of nut and welds with main rod member.Little shrouding, high-strength bolt and secondary member weld in similarly mode.Add gap required when installing man-hour in view of each component.
4., by each component conveying good in factory process to on-the-spot, embodiment one is first assembled main rod portion, two bolts on shrouding connector is each passed through upper and lower node cycle, inside node cycle, is tightened by bolt with nut.Again by the bolt on little shrouding through upper node cycle, inside node cycle, with nut, bolt is tightened.Embodiment the most only need to tighten main rod member and the high-strength bolt of upper and lower node cycle.
5. during construction, it is proposed that span and moulding according to concrete monolayer spatial mesh structure select mounting means.High-altitude piecemeal Method for Installation can be used, use a small amount of scaffold, the fritter grid the most assembled is lifted into designed elevation in place, then integral with adjacent fritter Mesh connection.Also high-altitude accumulative sliding technique can be used, at grid one end assembly one segment mesh, sliding thickness concedes the assembly platform of this segment mesh, just can assemble second segment grid and be linked to be entirety with first paragraph grid, at air translation one segment distance, then assemble a segment mesh, so repeat, until assembling final stage grid, i.e. complete the installment work of whole network.
Heretofore described embodiment is only the preferred embodiment of the present invention, is not used for limiting the practical range of the present invention.It is noted that, all equivalence changes made according to the content of scope of the present invention patent are retouched with improving, all should be used as technology category and the protection domain of the present invention.
Claims (6)
1. a monolayer spatial mesh structure assembled dicyclo node, it is characterized in that, this dicyclo node includes: upper node cycle (1), lower node ring (2), main rod member (3), shrouding connector (5), high-strength bolt (6);Wherein, upper node cycle (1), lower node ring (2) are coaxially disposed, shrouding connector (5) is fixed on the inner of main rod member (3), being provided with screw on shrouding connector (5), main rod member (3) is connected with upper node cycle (1) and lower node ring (2) by high-strength bolt (6) by this screw.
Monolayer spatial mesh structure assembled dicyclo node the most according to claim 1, it is characterized in that, described upper node cycle (1), the periphery of lower node ring (2) connect main rod member (3), are additionally provided with secondary member (4) and are connected with upper node cycle (1).
Monolayer spatial mesh structure assembled dicyclo node the most according to claim 2, it is characterised in that described secondary member (4) rod end welds with little shrouding (7), then be connected with upper node cycle by high-strength bolt.
Monolayer spatial mesh structure assembled dicyclo node the most according to claim 1, it is characterized in that, described shrouding connector (5) is rectangle steel plate, it is provided with bolt hole on the upper and lower edge of a wing, and it is provided with female thread, it is connected with upper and lower node cycle by high-strength bolt (6), with main rod member (3) for welding.
Monolayer spatial mesh structure assembled dicyclo node the most according to claim 3, it is characterized in that, described little shrouding (7) is rectangular steel plates, it is provided with bolt hole, and be threaded, one side is welded on secondary member rod end, and one side is connected with upper node cycle (1) by high-strength bolt.
Monolayer spatial mesh structure assembled dicyclo node the most according to claim 3, it is characterised in that described main rod member (3) and secondary member (4) are the steel pipe of square-section, each rod member rod end and seal plate welding;The quantity of main rod member is identical with the quantity of shrouding connector;Main rod member is all connected with upper and lower node cycle, and secondary member is only connected with upper node cycle.
Priority Applications (1)
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CN201610179054.8A CN105821963A (en) | 2016-03-25 | 2016-03-25 | Single-layer space lattice structure assembled double-ring node |
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CN201610179054.8A CN105821963A (en) | 2016-03-25 | 2016-03-25 | Single-layer space lattice structure assembled double-ring node |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106545085A (en) * | 2017-01-18 | 2017-03-29 | 华电重工股份有限公司 | A kind of spatial steel structure and its connecting node |
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 |
WO2018178445A1 (en) | 2017-03-30 | 2018-10-04 | Bethencourt Cravid Manuel Fernando | Lattice structure |
CN108678168A (en) * | 2018-03-30 | 2018-10-19 | 天津大学 | A kind of bolt ring node suitable for aluminium alloy space network |
CN112431303A (en) * | 2020-11-23 | 2021-03-02 | 东南大学 | Double-topology ring node applied to fabricated single-layer grid structure |
CN113569357A (en) * | 2021-07-28 | 2021-10-29 | 天津大学 | Space grid structure test model node counterweight device and design method thereof |
CN114607048A (en) * | 2022-03-21 | 2022-06-10 | 无锡周博建筑设计有限公司 | Detachable assembly type space grid hub node |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN106545085A (en) * | 2017-01-18 | 2017-03-29 | 华电重工股份有限公司 | A kind of spatial steel structure and its connecting 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 |
WO2018178445A1 (en) | 2017-03-30 | 2018-10-04 | Bethencourt Cravid Manuel Fernando | Lattice structure |
US10822787B2 (en) | 2017-03-30 | 2020-11-03 | Manuel Fernando BETHENCOURT CRAVID | Lattice structure |
CN108678168A (en) * | 2018-03-30 | 2018-10-19 | 天津大学 | A kind of bolt ring node suitable for aluminium alloy space network |
CN112431303A (en) * | 2020-11-23 | 2021-03-02 | 东南大学 | Double-topology ring node applied to fabricated single-layer grid structure |
CN113569357A (en) * | 2021-07-28 | 2021-10-29 | 天津大学 | Space grid structure test model node counterweight device and design method thereof |
CN114607048A (en) * | 2022-03-21 | 2022-06-10 | 无锡周博建筑设计有限公司 | Detachable assembly type space grid hub node |
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Application publication date: 20160803 |