CN205025182U - Parallel chords bottom lattice column of double layer reticulated shell steel construction cooling tower - Google Patents

Parallel chords bottom lattice column of double layer reticulated shell steel construction cooling tower Download PDF

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Publication number
CN205025182U
CN205025182U CN201520601639.5U CN201520601639U CN205025182U CN 205025182 U CN205025182 U CN 205025182U CN 201520601639 U CN201520601639 U CN 201520601639U CN 205025182 U CN205025182 U CN 205025182U
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China
Prior art keywords
node
web
chord
lattice column
cooling tower
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CN201520601639.5U
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Inventor
丁大益
许良
马冬霞
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Beijing Jiapuyuanfeng Technology Development Co Ltd
CHINA WUZHOU ENGINEERING GROUP Co Ltd
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Beijing Jiapuyuanfeng Technology Development Co Ltd
CHINA WUZHOU ENGINEERING GROUP Co Ltd
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Priority to CN201520601639.5U priority Critical patent/CN205025182U/en
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Abstract

The utility model discloses a parallel chords bottom lattice column of double layer reticulated shell steel construction cooling tower, including two plane truss, plane truss includes the first chord member through first node end to end, and through second node end to end's second chord member, first node and second node link to each other through first web member, and one of them plane truss's first node passes through the second web member with another plane truss's first node and links to each other, and one of them plane truss's second node passes through the third web member with another plane truss's second node and links to each other. The utility model discloses a parallel chords bottom lattice column appearance is light and handy, and section of component is little, can provide the big space that opens wide, easily satisfies the requirement of technology air inlet to the construction is simple and convenient, structural stiffness is good, and low with the steel volume, the structure is combatted earthquake, wind -resistance capability is good.

Description

Lattice column bottom a kind of parallel chords of Double-level Reticulated Shell steel structure cooling tower
Technical field
The utility model relates to cooling tower, lattice column bottom the parallel chords particularly relating to a kind of Double-level Reticulated Shell steel structure cooling tower.
Background technology
At present, domestic large cooling column many employings hyperbolic steel reinforced concrete thin shell structures, the real abdomen concrete column supporting of the many employings of this structural base.This structural shape because its operational reliability is high, Corrosion Protection is good, long service life and being widely used.Along with the development of long strands, large-scale dry type natural ventilation Double-level Reticulated Shell steel structure cooling tower is because it is from heavy and light, and construction is simple, speed is fast, and structural seismic, wind resistance are excellent, and comprehensive cost is low and development is rapid.Need bottom the head tower of this structure types to adopt lattice column supporting upper column cylinder, the loads such as the deadweight of upper column cylinder, temperature load, wind load and geological process are passed to basis, meets the bearing capacity requirement of steel structure cooling tower.
Utility model content
The purpose of this utility model is, lattice column bottom the parallel chords providing a kind of Double-level Reticulated Shell steel structure cooling tower, the large space that this lattice column can provide bottom to open wide, and easy construction, the rigidity of structure is good, and steel using amount is low, and structural seismic, wind resistance are excellent.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
Lattice column bottom a kind of parallel chords of Double-level Reticulated Shell steel structure cooling tower, comprise two plane frames, plane frame comprises by end to end first chord member of first node, by end to end second chord member of Section Point, first node is connected by the first web member with Section Point, the first node of one of them plane frame is connected by the second web member with the first node of another plane frame, and the Section Point of one of them plane frame is connected by the 3rd web member with the Section Point of another plane frame.
Bottom the parallel chords of aforesaid a kind of Double-level Reticulated Shell steel structure cooling tower in lattice column, the first chord member and second chord member of same plane truss are parallel to each other.
Bottom the parallel chords of aforesaid a kind of Double-level Reticulated Shell steel structure cooling tower in lattice column, the second web member and the 3rd web member are parallel to each other.
Bottom the parallel chords of aforesaid a kind of Double-level Reticulated Shell steel structure cooling tower in lattice column, the angle between the first chord member and the first web member is greater than or equal to 55 degree, and the angle between the first chord member and the first web member is less than or equal to 65 degree.
Compared with prior art, bottom the utility model parallel chords of the present utility model, lattice column profile is light and handy, and member section is little, can provide the large space opened wide, the requirement of the technique that is content with very little air intake, and easy construction; The rigidity of structure is good, and steel using amount is low, and structural seismic, wind resistance are excellent.
Accompanying drawing explanation
Fig. 1 is a kind of arrangement schematic diagram of the present utility model;
Fig. 2 is the structural representation of a kind of embodiment of the present utility model;
Fig. 3 is the structural representation of Double-level Reticulated Shell steel structure cooling tower;
Fig. 4 is the structural representation of transfer truss.
Reference numeral: 1-plane frame, 2-first chord member, 3-first node, 4-second web member, 5-Section Point, 6-second chord member, 7-first web member, 8-the 3rd web member, 9-vertical plane truss, 10-horizontal plane truss, 11-body, 12-transfer truss.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Detailed description of the invention
As shown in Figure 3 and Figure 4, Double-level Reticulated Shell steel structure cooling tower comprises body 11 and transfer truss 12, body 11 is intersected by node by horizontal plane truss 10 and vertical plane truss 9, combination forms double-deck latticed shell structure, transfer truss 12 is arranged on the bottom of body 11, for being firmly fixed together by lattice column bottom body 11 and parallel chords, bottom parallel chords, lattice column is connected to the bottom of transfer truss 12.
Embodiment 1 of the present utility model: as depicted in figs. 1 and 2, lattice column bottom a kind of parallel chords of Double-level Reticulated Shell steel structure cooling tower, comprise two plane frames 1, plane frame 1 comprises by end to end first chord member 2 of first node 3, by end to end second chord member 6 of Section Point 5, first node 3 is connected by the first web member 7 with Section Point 5, the first node 3 of one of them plane frame 1 is connected by the second web member 4 with the first node 3 of another plane frame 1, the Section Point 5 of one of them plane frame 1 is connected by the 3rd web member 8 with the Section Point 5 of another plane frame 1.As shown in Figure 1, bottom parallel chords, lattice column is arranged circlewise, and bottom parallel chords, the plane frame 1 of lattice column is positioned on the radius of described ring-type.
First chord member 2 of same plane truss 1 and the second chord member 6 are parallel to each other.
Second web member 4 and the 3rd web member 8 are parallel to each other.
Angle between first chord member 2 and the first web member 7 equals 55 degree.
Embodiment 2: as depicted in figs. 1 and 2, lattice column bottom a kind of parallel chords of Double-level Reticulated Shell steel structure cooling tower, comprise two plane frames 1, plane frame 1 comprises by end to end first chord member 2 of first node 3, by end to end second chord member 6 of Section Point 5, first node 3 is connected by the first web member 7 with Section Point 5, the first node 3 of one of them plane frame 1 is connected by the second web member 4 with the first node 3 of another plane frame 1, the Section Point 5 of one of them plane frame 1 is connected by the 3rd web member 8 with the Section Point 5 of another plane frame 1.
First chord member 2 of same plane truss 1 and the second chord member 6 are parallel to each other.
Second web member 4 and the 3rd web member 8 are parallel to each other.
Angle between first chord member 2 and the first web member 7 equals 60 degree.
Embodiment 3: as depicted in figs. 1 and 2, lattice column bottom a kind of parallel chords of Double-level Reticulated Shell steel structure cooling tower, comprise two plane frames 1, plane frame 1 comprises by end to end first chord member 2 of first node 3, by end to end second chord member 6 of Section Point 5, first node 3 is connected by the first web member 7 with Section Point 5, the first node 3 of one of them plane frame 1 is connected by the second web member 4 with the first node 3 of another plane frame 1, the Section Point 5 of one of them plane frame 1 is connected by the 3rd web member 8 with the Section Point 5 of another plane frame 1.
First chord member 2 of same plane truss 1 and the second chord member 6 are parallel to each other.
Second web member 4 and the 3rd web member 8 are parallel to each other.
Angle between first chord member 2 and the first web member 7 equals 65 degree.
The operating principle of a kind of embodiment of the present utility model: the weight that can be carried body 11 and transfer truss 12 by lattice column bottom parallel chords of the present utility model uniformly, the loads such as temperature load, wind load and the geological process suffered by upper column cylinder are passed to foundation, the bottom bearing structure comparing single layer structure adopts the steel of identical weight can have larger rigidity simultaneously.There is angle between first chord member 2 and the first web member 7, is to be comparatively evenly distributed in by stress point on transfer truss 12, improves overall stability.And the large space opened wide can be provided, the requirement of the technique that is content with very little air intake, and easy construction; The rigidity of structure is good, and steel using amount is low, and structural seismic, wind resistance are excellent.

Claims (5)

1. lattice column bottom the parallel chords of a Double-level Reticulated Shell steel structure cooling tower, it is characterized in that, comprise two plane frames (1), plane frame (1) comprises by end to end first chord member (2) of first node (3), by end to end second chord member (6) of Section Point (5), first node (3) is connected by the first web member (7) with Section Point (5), the first node (3) of one of them plane frame (1) is connected by the second web member (4) with the first node (3) of another plane frame (1), the Section Point (5) of one of them plane frame (1) is connected by the 3rd web member (8) with the Section Point (5) of another plane frame (1).
2. lattice column bottom the parallel chords of a kind of Double-level Reticulated Shell steel structure cooling tower according to claim 1, it is characterized in that, the first chord member (2) and second chord member (6) of same plane truss (1) are parallel to each other.
3. lattice column bottom the parallel chords of a kind of Double-level Reticulated Shell steel structure cooling tower according to claim 2, it is characterized in that, the second web member (4) and the 3rd web member (8) are parallel to each other.
4. lattice column bottom the parallel chords of a kind of Double-level Reticulated Shell steel structure cooling tower according to any one of claims 1 to 3, it is characterized in that, angle between first chord member (2) and the first web member (7) is greater than or equal to 55 degree, and the angle between the first chord member (2) and the first web member (7) is less than or equal to 65 degree.
5. lattice column bottom the parallel chords of a kind of Double-level Reticulated Shell steel structure cooling tower according to claim 3, it is characterized in that, the angle between the first chord member (2) and the first web member (7) equals 60 degree.
CN201520601639.5U 2015-08-11 2015-08-11 Parallel chords bottom lattice column of double layer reticulated shell steel construction cooling tower Active CN205025182U (en)

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Application Number Priority Date Filing Date Title
CN201520601639.5U CN205025182U (en) 2015-08-11 2015-08-11 Parallel chords bottom lattice column of double layer reticulated shell steel construction cooling tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520601639.5U CN205025182U (en) 2015-08-11 2015-08-11 Parallel chords bottom lattice column of double layer reticulated shell steel construction cooling tower

Publications (1)

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CN205025182U true CN205025182U (en) 2016-02-10

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