CN105297918A - Pillar top node of steel grid plant - Google Patents
Pillar top node of steel grid plant Download PDFInfo
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- CN105297918A CN105297918A CN201510679537.XA CN201510679537A CN105297918A CN 105297918 A CN105297918 A CN 105297918A CN 201510679537 A CN201510679537 A CN 201510679537A CN 105297918 A CN105297918 A CN 105297918A
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- gripper shoe
- support column
- top node
- pillar
- factory building
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Abstract
The invention belongs to the technical field of construction systems and specifically relates to a pillar top node of a steel grid plant, wherein a bolt ball is disposed on the top of a supporting pillar of the plant; a plurality of screw holes connected to a supporting beam are disposed in the bolt ball, and a supporting plate is fixed on the lower end of the bolt ball; an arc base is disposed between the supporting plate and the top of the supporting pillar; and the lower end of the arc base is fixed on the top of the supporting pillar, a spherical groove of which the middle part is sunk downwards is disposed in the upper end face, and the lower end of the supporting plate can be connected in the spherical groove by slide. The pillar top node of the steel grid plant provided by the invention is simple in structure, convenient in installation construction and high in safety performance, wherein influences brought by horizontal shear force on the supporting pillar and a concrete pillar can be eliminated very well by a slide structure. The pillar top node of the steel grid plant has good anti-seismic performance, is convenient and rapid in later-stage repairing and promises huge generalization values.
Description
Technical field
The invention belongs to building system technical field, be specifically related to a kind of Elements of Space Grid Truss factory building columns top node.
Background technology
Along with the development of Building technology and industrial requirement, the space of current factory building is increasing, and the mill construction built becomes increasingly complex.The factory building of large span large space is when building, need to consider the support problem in the middle of factory building, namely need to set up some support columns in the centre of factory building, support column can be concrete construction also can be steel construction, support column lower end is fixedly connected with ground brace foundation, support column upper end erection brace summer, is connected with factory building roof by brace summer.Traditional capital node structure is generally directly beam section is bolted on concrete capital end.The weak point of this mode is: when brace summer number is less, problem is little, but when brace summer number is more than more than 4, its applicability is just restricted, and the arrangement of brace summer is just pretty troublesome.The spherical bearing had in addition, its stiffening rib quantity arranges more, but its supporting capacity, cripling ability and integral rigidity are poor.
For solving the problem of conventional solution, someone develops a kind of structure technology can installing multiple brace summer at support column capital.The Chinese utility model patent that the patent No. is " CN202672348U " is by name " punching put more energy into ribbed sphere nodes bearing " describes a kind of node bearing, this structure can be good at distributing the installation of brace summer by arranging spherical node on base plate, sphere nodes lower end arranges stiffener, stiffener is fixed on base plate by bolt arrangement, forms stable fixed structure.This structural configuration is simple, can be good at the relation processing multiple brace summer, can be used in the workshop building of large span large space.
But also there are some problems in this structure, if this structure is applied to climatic environment comparatively severe when, be subject to the impact of wind-force, earthquake, temperature at factory building under, structure more than capital and the shearing force of horizontal cross can be produced between support column, the shearing force of these horizontal cross finally can gather the connecting portion of support column and capital structure, once the vibrational power flow at this position is unreasonable, will be damaged, affect the Stability Analysis of Structures of whole factory building.For tackling this problem, this structure solves this problem by arranging shear key between base plate and stiffener, and shear key is generally column construction, vertically arranges, has good anti-shear ability in the axial direction.But building factory building in the region that climatic environment is severe uses shear key to have following shortcoming: 1, the connection of shear key and concrete post capital is for being rigidly connected, when being subject to shearing force effect, be entirely rigid collision between the two, easily cause the damage of concrete post capital structure;
2, the secondary that is installed as of shear key is constructed, and extends the construction period, is unfavorable for carrying out fast of programming;
3, shear key is arranged between capital and capital structure, is work high above the ground during installation, and difficulty of construction is large, and potential safety hazard is large;
4, when the shearing force of horizontal cross is larger, the bolt between capital and capital structure is cut off, and capital and capital structure cannot return to original original state, and there is very large potential safety hazard, the difficulty of maintenance is too large.
For the area that some environment are comparatively severe, in workshop building, use shear key can not make it have the characteristic of safety and stability, the construction of shear key also can extend the duration of workshop building, therefore needs to develop one and can solve the in-problem scheme of prior art.
Summary of the invention
Object of the present invention be exactly poor for the factory building support column capital safety of structure of prior art, easily damage, the defect such as difficulty of construction is large, maintenance difficult, a kind of Elements of Space Grid Truss factory building columns top node is provided.
The technical solution used in the present invention is: a kind of Elements of Space Grid Truss factory building columns top node, is characterized in that: the support column capital of described factory building is provided with bolt sphere; Described bolt sphere offers multiple screw be connected with brace summer, bolt sphere lower end is fixed with gripper shoe; Arc-shaped base is provided with between described gripper shoe and support column capital; Described arc-shaped base lower end is fixed on support column capital, and its upper surface is provided with the middle rounded channels to lower recess, and gripper shoe lower end is connected in rounded channels slidably,
The surrounding of further described rounded channels is provided with the gripper shoe that prevents of vertically arranging and deviates from the limiting plate of rounded channels.
Further described gripper shoe is cross reinforcing plate structure, and the groove face of the lower end laminating rounded channels of gripper shoe, its upper end is fixedly connected with bolt sphere lower end.
The lower surface of further described gripper shoe is identical with rounded channels groove face radius of curvature and the inclination cambered surface fitted tightly with groove face.
Further described arc-shaped base lower surface is anchored in support column capital upper surface by the dowel be embedded in support column.
Advantage of the present invention has: 1, the present invention sets up arc-shaped base at support column capital, gripper shoe contacts with arc-shaped base, when being subject to horizontal shearing force effect, the effect of the slippage elimination shearing force that gripper shoe energy is horizontal, gripper shoe and support column all can not produce destruction, and the later stage only needs movable support plate just can complete the maintenance of whole mill construction, easy to maintenance, safety;
2, the arc-shaped base that the present invention is arranged is fixed on support column capital by dowel, and this work progress can complete when support column is constructed, and without the need to secondary construction, work progress is quick, safety, there is not potential safety hazard;
3, structure of the present invention is simple, and installation is convenient, and security performance is high, and can be good at the impact of elimination of level shearing force on gripper shoe and support column by Sliding Structures, have good anti-seismic performance, later period maintenance is easy, quick, has great promotional value.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is the A-A horizontal section schematic diagram of Fig. 1;
Fig. 3 is the B-B vertical section schematic diagram of Fig. 2;
In figure, 1-support column, 2-bolt sphere, 3-screw, 4-gripper shoe, 5-arc-shaped base, 6-rounded channels, 7-limiting plate, 8-dowel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, is convenient to be well understood to the present invention, but they do not form restriction to the present invention.
As shown in Figures 1 to 3, support column 1 is arranged at the centre of factory building, and support column 1 can be concrete structure also can be steel construction, sets up net structure for supporting the roof of whole factory building by the support of support column 1.The upper end of support column 1 is provided with bolt sphere 2, bolt sphere 2 offers multiple screw 3 be connected with brace summer, brace summer is fixedly mounted in bolt sphere 2 by these screws 3, because bolt sphere 2 is spheroidal structure, the layout of brace summer is globally arranged, spatial arrangement structure is reasonable, can solve the nodal support beam of conventional art too much time be difficult to the shortcoming of arranging.
Bolt sphere 2 lower end is provided with gripper shoe 4, and gripper shoe 4 is cross reinforcing plate structure.Arc-shaped base 5 is provided with between gripper shoe 4 and support column 1 capital, arc-shaped base 5 lower end is horizontal plane, support column 1 capital is anchored at by the dowel 8 be embedded in support column 1, the upper surface of arc-shaped base 5 is provided with the middle rounded channels 6 to lower recess, to lower recess in the middle of rounded channels 6, surrounding raises up (as shown in Figure 1, the upper of drawing is upper direction, it is down lower direction, a left side for drawing is left direction, the right side is right direction, and vertical drawing direction is inwardly front, and the outside direction of vertical drawing is rear).
The lower surface of gripper shoe 4 is the inclination cambered surface identical with the radius of curvature of rounded channels 6 groove face, and the lower surface of gripper shoe 4 fits tightly on the groove face of rounded channels 6, and its upper end is fixedly connected with bolt sphere 2.Gripper shoe 4 lower end and rounded channels 6 are slidably connected, and when being subject to the shearing force of horizontal cross, gripper shoe 4 is laterally slided and eliminated shearing force in rounded channels 6, and such shearing force can not have an impact to support column 1 and gripper shoe 4, does not destroy integrally-built stability.
The surrounding of rounded channels 6 is provided with the limiting plate 7 vertically arranged, limiting plate 7 limits the movement of gripper shoe 4, when earthquake, wind-force or temperature impact are very large, when the shearing force causing gripper shoe 4 and arc-shaped base 5 to be subject to is very large, rocking of gripper shoe 4 is violent, limiting plate 7 can be good at stopping gripper shoe 4, avoid gripper shoe 4 directly and arc-shaped base 5 depart from.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. an Elements of Space Grid Truss factory building columns top node, is characterized in that: support column (1) capital of described factory building is provided with bolt sphere (2); Described bolt sphere (2) offers multiple screw (3) be connected with brace summer, bolt sphere (2) lower end is fixed with gripper shoe (4); Arc-shaped base (5) is provided with between described gripper shoe (4) and support column (1) capital; Described arc-shaped base (5) lower end is fixed on support column (1) capital, its upper surface is provided with the middle rounded channels (6) to lower recess, and gripper shoe (4) lower end is connected in rounded channels (6) slidably.
2. a kind of Elements of Space Grid Truss factory building columns top node according to claim 1, is characterized in that: the surrounding of described rounded channels (6) is provided with the gripper shoe (4) that prevents of vertically arranging and deviates from the limiting plate (7) of rounded channels (6).
3. a kind of Elements of Space Grid Truss factory building columns top node according to claim 2, it is characterized in that: described gripper shoe (4) is cross reinforcing plate structure, the groove face of lower end laminating rounded channels (6) of gripper shoe (4), its upper end is fixedly connected with bolt sphere (2) lower end.
4. a kind of Elements of Space Grid Truss factory building columns top node according to claim 3, is characterized in that: the lower surface of described gripper shoe (4) is identical with rounded channels (6) groove face radius of curvature and the inclination cambered surface fitted tightly with groove face.
5. a kind of Elements of Space Grid Truss factory building columns top node according to claim 1, is characterized in that: described arc-shaped base (5) lower surface is anchored in support column (1) capital upper surface by the dowel (8) be embedded in support column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679537.XA CN105297918A (en) | 2015-10-19 | 2015-10-19 | Pillar top node of steel grid plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679537.XA CN105297918A (en) | 2015-10-19 | 2015-10-19 | Pillar top node of steel grid plant |
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| CN105297918A true CN105297918A (en) | 2016-02-03 |
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| CN201510679537.XA Pending CN105297918A (en) | 2015-10-19 | 2015-10-19 | Pillar top node of steel grid plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245764A (en) * | 2016-09-20 | 2016-12-21 | 中冶华天工程技术有限公司 | Lattice structure truss post cross bore ball attachment means |
| CN106930590A (en) * | 2016-09-21 | 2017-07-07 | 中国地震局工程力学研究所 | New spatial network ball node device with damping function |
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| CN202689334U (en) * | 2012-06-20 | 2013-01-23 | 山西省第三建筑工程公司 | Inverted triangular steel tube intersecting spatial truss |
| CN103397702A (en) * | 2013-07-19 | 2013-11-20 | 东南大学 | Composite material space truss joint and method |
| CN203729440U (en) * | 2013-09-28 | 2014-07-23 | 北京工业大学 | Stay bar lower joint of rigid supporting dome structure |
| CN204151906U (en) * | 2014-07-01 | 2015-02-11 | 浙江省电力设计院 | For the semi-spherical hollow welded spherical node of long span steel structure bearing |
| CN104652799A (en) * | 2014-12-25 | 2015-05-27 | 西宁共进新材料科技有限公司 | Metal frame device |
| CN205063046U (en) * | 2015-10-19 | 2016-03-02 | 中铁第四勘察设计院集团有限公司 | Steel mesh frame factory building capital node |
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2015
- 2015-10-19 CN CN201510679537.XA patent/CN105297918A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202689334U (en) * | 2012-06-20 | 2013-01-23 | 山西省第三建筑工程公司 | Inverted triangular steel tube intersecting spatial truss |
| CN103397702A (en) * | 2013-07-19 | 2013-11-20 | 东南大学 | Composite material space truss joint and method |
| CN103397702B (en) * | 2013-07-19 | 2015-10-07 | 东南大学 | A kind of composite material connection jiont for net frame point and method |
| CN203729440U (en) * | 2013-09-28 | 2014-07-23 | 北京工业大学 | Stay bar lower joint of rigid supporting dome structure |
| CN204151906U (en) * | 2014-07-01 | 2015-02-11 | 浙江省电力设计院 | For the semi-spherical hollow welded spherical node of long span steel structure bearing |
| CN104652799A (en) * | 2014-12-25 | 2015-05-27 | 西宁共进新材料科技有限公司 | Metal frame device |
| CN205063046U (en) * | 2015-10-19 | 2016-03-02 | 中铁第四勘察设计院集团有限公司 | Steel mesh frame factory building capital node |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245764A (en) * | 2016-09-20 | 2016-12-21 | 中冶华天工程技术有限公司 | Lattice structure truss post cross bore ball attachment means |
| CN106245764B (en) * | 2016-09-20 | 2019-09-06 | 中冶华天工程技术有限公司 | Lattice structure truss column cross bore ball attachment device |
| CN106930590A (en) * | 2016-09-21 | 2017-07-07 | 中国地震局工程力学研究所 | New spatial network ball node device with damping function |
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Application publication date: 20160203 |
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