CN205805057U - A kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower - Google Patents

A kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower Download PDF

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Publication number
CN205805057U
CN205805057U CN201620611268.3U CN201620611268U CN205805057U CN 205805057 U CN205805057 U CN 205805057U CN 201620611268 U CN201620611268 U CN 201620611268U CN 205805057 U CN205805057 U CN 205805057U
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CN
China
Prior art keywords
chord member
quadrangular pyramid
layer chord
cooling tower
internal layer
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Expired - Fee Related
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CN201620611268.3U
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Chinese (zh)
Inventor
杜新喜
刘武
袁焕鑫
程晓燕
林士凯
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Wuhan University WHU
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Wuhan University WHU
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Priority to CN201620611268.3U priority Critical patent/CN205805057U/en
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Publication of CN205805057U publication Critical patent/CN205805057U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower, tower body is two layer of space network, spliced by outer layer chord member (1), internal layer chord member (2) and web member (3) and form, outer layer chord member (1) is rectangular mesh, internal layer chord member (2) is network, underlay nodes all falls within the plane normal of outer layer rectangular mesh, every four nodes of the rectangular mesh that one node of internal layer chord member (2) consists of with corresponding outer layer chord member (1) web member (3) are connected, and form quadrangular pyramid units.Compared to other space structure systems, this utility model reasonable stress, number of nodes can be greatly decreased, improve the angle between rod member, node easily reaches to design requirement, decreases the quantity of internal layer chord member and web member, on the premise of ensureing structural bearing performance simultaneously, overall steel using amount and the node processing difficulty of steel structure cooling tower, the overall benefit improving cooling tower can be reduced.

Description

A kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower
Technical field
This utility model belongs to technical field of structural engineering, and specifically a kind of checkerboard type quadrangular pyramid lattice steel constructions is cold But tower.
Background technology
Cooling tower is the contact utilizing water and air, disperses generation in industrial or refrigeration air-conditioner by evaporation A kind of equipment of used heat.The cooling tower of China mainly uses reinforced concrete structure at present.Xoncrete structure Corrosion Protection is relatively Good, high life, but there is also the inferior positions such as heavy thick, cooling effectiveness is low, less stable, construction formwork difficulty.
Steel structure cooling tower compares Concrete Cooling Water Tower, has that construction is simple, the construction period is short, light structure and a shock resistance Advantage can be waited well.Along with steel construction developing rapidly at building field, steel structure cooling tower has broad application prospects.
Steel structure cooling tower belongs to spatial mesh structure, and flexible form is various.Use the different version can direct shadow Ring the stress performance of structure, design of node and overall steel using amount, bring different benefits.When cooling tower height is higher, structure Extremely sensitive to wind load, rod member stress is relatively big, and design of node is the most difficult.Accordingly, it would be desirable to a kind of reasonably steel construction of exploitation Cooling tower structure form, it is possible to improve structure stress situation, alleviates structural steel amount, reduces number of nodes thus reduces at node Reason difficulty so that steel structure cooling tower is most effective.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art to exist, it is provided that one is improved structure stress situation, carried The checkerboard type quadrangular pyramid lattice steel constructions cooling tower of high overall efficiency.
This utility model one checkerboard type quadrangular pyramid lattice steel constructions cooling tower, tower body is two layer of space network, by Outer layer chord member 1, internal layer chord member 2 and web member 3 splicing composition, outer layer chord member 1 is rectangular mesh, and internal layer chord member 2 is network, interior The node of layer chord member 2 all falls within the plane normal of outer layer rectangular mesh, and a node of internal layer chord member 2 passes through web member 3 with right Every four nodes of the rectangular mesh of outer layer chord member 1 composition answered are connected, and form a quadrangular pyramid units.
Described quadrangular pyramid units is to use checkerboard type to evacuate on the basis of orthogonal spatial quadrangular pyramid grid, is specially four Pyramid interval evacuates, and a rectangular grid is quadrangular pyramid units, and other four rectangular grid being adjacent up and down are all taken out Cone, internal layer chord member 2 is in oblique crossing inclined, and outer layer chord member 1 is orthogonal thereto just to be put.
Connecting on the node of described outer layer chord member 1 and have 6 rod members, the node of internal layer chord member 2 connects 8 rod members.
Compared with prior art, the beneficial effects of the utility model are: double layer grid structure uses pyramid system, compares In other traditional space structure systems, number of nodes can be greatly decreased, improve the angle between rod member, design of node is easy Reach requirement, decrease the quantity of internal layer chord member and web member, on the premise of not affecting structural bearing performance, can reduce large-scale The overall steel using amount of steel structure cooling tower and node processing difficulty, the overall benefit improving cooling tower.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is the structural representation of outer layer chord member.
Fig. 4 is the structural representation of internal layer chord member.
Fig. 5 is the structural representation of web member.
Fig. 6 a is the structural representation of elementary cell;
Fig. 6 b is elementary cell entity structure schematic diagram.
Fig. 7 is the schematic diagram of outer layer chord member node.
Fig. 8 is the schematic diagram of internal layer chord member node.
In figure, 1 is outer layer chord member, and 2 is internal layer chord member, and 3 is web member.
Detailed description of the invention
Below by embodiment, and the utility model is described in further detail to combine accompanying drawing.
This utility model one checkerboard type quadrangular pyramid lattice steel constructions cooling tower, tower body is two layer of space network, empty Between grid use orthogonal spatial quadrangular pyramid system, on this basis to quadrangular pyramid grid use checkerboard type evacuate, ensure structure Safety and stability on the premise of, structure is optimized, improves the stress performance of structure, alleviate the difficulty of design of node Degree.
Above-mentioned cooling tower can be generated by surface of revolution mode, curved surface by control cooling tower moulding curve rotate and Become.After forming free form surface, curved surface carrying out stress and strain model, outer layer grid is orthogonal spatial grid.As Figure 1-Figure 8, if Set up steel structure cooling tower structure as shown in Figure 1, need to obtain tower bus equation, recycle some existing design softwares It is modeled and grid division.The outer layer chord member of the model built up as it is shown on figure 3, internal layer chord member as shown in Figure 4, web member layer such as figure Shown in 5.Underlay nodes (i.e. conical point) is in the ordinary course of things in the normal direction of outer layer rectangular mesh.
Above-mentioned checkerboard type quadrangular pyramid grid uses quadrangular pyramid system.Quadrangular pyramid system is compared and intersection truss body System, have power transmission clearly, space performance is good, the advantages such as angle is good between rod member.When carrying out welding tubular joint design, hand over Fork girder system is bad due to rod member space angle, and web member and web member intersection location have substantial amounts of hidden weld seam, set node Count the most disadvantageous, and quadrangular pyramid system web member typically will not intersect, also can pass through suitably to adjust knot even if web member intersects with web member The thickness of structure and bar cross section make its non-intersect or crossing seldom, reduce the impact on node of the hidden weld seam.
Above-mentioned checkerboard type take out tapered be by quadrangular pyramid interval evacuate, internal layer chord member is oblique crossing inclined, outer layer chord member in Orthogonal spatial.Due to the design of node difficulty of large-scale steel structure cooling tower, employing is taken out tapered and can be reduced the number of node, from And reduce the expense of design of node.And after taking out cone, the rod member of structure has reduced (interior string node layer and rod member minimizing one Half, web member is also greatly reduced), under ensureing safety of structure premise, change the mode of transfer force of structure, structure is carried out excellent Change, reduce the overall steel using amount of structure.
Above-mentioned steel structure cooling tower is spliced by outer layer chord member, internal layer chord member and web member and forms, and outer layer chord member is rectangle net Lattice, internal layer chord member is network, and one node of four nodes on the rectangular mesh of outer layer and internal layer is connected, and forms one four Pyramid system.It is connected to 6 rod members on outer node layer, underlay nodes is connected to 8 rod members.The rod member quantity crossed on node Relatively fewer.

Claims (3)

1. a checkerboard type quadrangular pyramid lattice steel constructions cooling tower, tower body is two layer of space network, it is characterised in that: by outward Layer chord member (1), internal layer chord member (2) and web member (3) splicing composition, outer layer chord member (1) is rectangular mesh, and internal layer chord member (2) is Pedicellus et Pericarpium Trapae Shape grid, the node of internal layer chord member (2) all falls within the plane normal of outer layer rectangular mesh, a node of internal layer chord member (2) Every four nodes of the rectangular mesh consisted of with corresponding outer layer chord member (1) web member (3) are connected, and form a quadrangular pyramid list Unit.
2. cooling tower as claimed in claim 1, it is characterised in that: described quadrangular pyramid units is at orthogonal spatial quadrangular pyramid grid On the basis of use checkerboard type evacuate, be specially by quadrangular pyramid interval evacuate, a rectangular grid is quadrangular pyramid units, upper bottom left Other four rectangular grid that the right side is adjacent all take out cone, and internal layer chord member (2) is in oblique crossing inclined, and outer layer chord member (1) is orthogonal thereto just Put.
3. cooling tower as claimed in claim 1, it is characterised in that: connect on the node of described outer layer chord member (1) and have 6 bars Part, the node of internal layer chord member (2) connects and has 8 rod members.
CN201620611268.3U 2016-06-21 2016-06-21 A kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower Expired - Fee Related CN205805057U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620611268.3U CN205805057U (en) 2016-06-21 2016-06-21 A kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620611268.3U CN205805057U (en) 2016-06-21 2016-06-21 A kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower

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CN205805057U true CN205805057U (en) 2016-12-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106088706A (en) * 2016-06-21 2016-11-09 武汉大学 A kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106088706A (en) * 2016-06-21 2016-11-09 武汉大学 A kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower
CN106088706B (en) * 2016-06-21 2018-03-27 武汉大学 A kind of checkerboard type quadrangular pyramid lattice steel constructions cooling tower

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161214

CF01 Termination of patent right due to non-payment of annual fee