CN107620500B - H-C type assembled node applied to single-layer steel structure cooling tower - Google Patents
H-C type assembled node applied to single-layer steel structure cooling tower Download PDFInfo
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- CN107620500B CN107620500B CN201711013845.4A CN201711013845A CN107620500B CN 107620500 B CN107620500 B CN 107620500B CN 201711013845 A CN201711013845 A CN 201711013845A CN 107620500 B CN107620500 B CN 107620500B
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- shaped connecting
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- fixedly connected
- vertical
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 239000002356 single layer Substances 0.000 title claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 9
- 238000005452 bending Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012999 compression bending Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Suspension Of Electric Lines Or Cables (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
An H-C type assembly type node applied to a cooling tower with a single-layer steel structure relates to the technical field of building steel structures. The invention aims to solve the problems of difficult construction and poor quality of welding joints of the existing steel structure cooling tower; and the bearing capacity of the ball joint of the assembled bolt is too low. The invention comprises a vertical chord member node, two annular chord member nodes, four inclined web member nodes and a plurality of connecting bolts, wherein two annular chord member nodes are respectively arranged on two sides of the vertical chord member node in the horizontal direction, and four inclined web member nodes are respectively arranged on the four inclined angles of the vertical chord member node. The invention is used for the construction of cooling towers.
Description
Technical Field
The invention relates to the technical field of building steel structures, in particular to an H-C type assembly node applied to a cooling tower with a single-layer steel structure.
Background
At present, a natural ventilation hyperbolic cooling tower mostly adopts a traditional reinforced concrete structure, but in recent years, with the strong promotion of national building industrialization and the excellent structural performance of high strength and light weight of a steel structure, the steel structure cooling tower is more and more favored by people. The single-layer net shell steel structure cooling tower has larger bending moment, and the rod piece is mainly subjected to stretch bending and press bending stress. The traditional welding rigid nodes are adopted, so that high-altitude welding construction is difficult and quality is difficult to guarantee; the joint is hinged by adopting the assembly type bolt ball, the bending rigidity of the joint is too low, the joint is easy to be unstable, and the structural stability and the bearing capacity are extremely low. Therefore, the construction of the welding joint of the steel cooling tower is difficult and the quality is poor; the problem that the bearing capacity of the assembled bolt ball node is too low is solved, and the H-C type semi-rigid assembled node applied to the cooling tower with the single steel structure is provided.
Disclosure of Invention
The invention aims to solve the problems of difficult construction and poor quality of welding joints of the existing steel structure cooling tower; the problem that the bearing capacity of the assembled bolt ball node is too low is solved, and the H-C type assembled node applied to the cooling tower with the single-layer steel structure is further provided.
The technical scheme adopted for solving the technical problems is as follows:
the H-C type assembly type node applied to the cooling tower with the single-layer steel structure comprises a vertical chord member node, two annular chord member nodes, four inclined web member nodes and a plurality of connecting bolts, wherein two annular chord member nodes are respectively arranged at two sides of the vertical chord member node in the horizontal direction, one inclined web member node is respectively arranged at four inclined angles of the vertical chord member node,
the vertical chord member node comprises a vertical chord member, two H-shaped connecting pieces and four side ear plates, the two sides of the vertical chord member are symmetrically and vertically fixedly connected with the H-shaped connecting pieces, the opening direction of the H-shaped connecting pieces is arranged along the vertical direction, the middle parts of the upper side and the lower side of the H-shaped connecting pieces are respectively and symmetrically provided with the side ear plates, the side ear plates are fixedly connected on the side wall of the vertical chord member,
the ring chord member node comprises a ring chord member and two C-shaped connecting pieces, the two C-shaped connecting pieces are symmetrically and fixedly connected on the same end face of the ring chord member, the C-shaped connecting piece on one side is arranged on the inner side of the groove on the upper part of the H-shaped connecting piece, the C-shaped connecting piece on the other side is arranged on the inner side of the groove on the lower part of the H-shaped connecting piece, the C-shaped connecting pieces are connected with the H-shaped connecting piece through a plurality of connecting bolts,
the diagonal web member node comprises a diagonal web member, an upper ear plate and a lower ear plate, wherein the upper ear plate and the lower ear plate are symmetrically and fixedly connected on the same end face of the diagonal web member, the side ear plate is arranged between the upper ear plate and the lower ear plate, and the upper ear plate, the side ear plate and the lower ear plate are connected through connecting bolts.
Compared with the prior art, the invention has the following beneficial effects:
1. all accessories of the node are prefabricated in a factory, and only assembly connection of each node area is needed on site, so that the construction speed is high, and the construction quality can be guaranteed.
2. The vertical chord member and the annular chord member are spliced by adopting H-C type nodes, a plurality of pairs of high-strength bolts are connected, the rigidity of the nodes is high, the bearing capacity can be improved by more than 60%, and the safety reserve is large.
3. The novel assembled node is simple in structure and convenient to construct, and is applied to a cooling tower with a single-layer steel structure.
Drawings
FIG. 1 is a schematic view of a rectangular cooling tower of single-layer steel structure;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of the overall structure of the present invention;
FIG. 4 is a schematic view of the structure of the vertical chord node 6 of the present invention;
FIG. 5 is a schematic view of the structure of the circumferential chord node 7 according to the present invention;
FIG. 6 is a schematic illustration of the assembly process of the vertical chord node 6 and the hoop chord node 7 of the present invention;
fig. 7 is a schematic view of the assembly process of the vertical chord node 6 and the diagonal web member node 8 according to the present invention.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 7, an H-C type assembly node for a cooling tower with a single-layer steel structure according to the present embodiment includes a vertical chord node 6, two ring chord nodes 7, four diagonal web nodes 8, and a plurality of connecting bolts 9, wherein two ring chord nodes 7 are respectively disposed at two sides of the vertical chord node 6 in the horizontal direction, one diagonal web node 8 is respectively disposed at four diagonal directions of the vertical chord node 6,
the vertical chord member node 6 comprises a vertical chord member 10, two H-shaped connecting pieces 11 and four side ear plates 19, the two sides of the vertical chord member 10 are symmetrically and vertically fixedly connected with the H-shaped connecting pieces 11, the opening directions of the H-shaped connecting pieces 11 are arranged along the vertical direction, the middle parts of the upper side and the lower side of the H-shaped connecting pieces 11 are respectively and symmetrically provided with the side ear plates 19, the side ear plates 19 are fixedly connected on the side walls of the vertical chord member 10,
the ring chord member node 7 comprises a ring chord member 12 and two C-shaped connecting pieces 13, the two C-shaped connecting pieces 13 are symmetrically and fixedly connected on the same end face of the ring chord member 12, the C-shaped connecting piece 13 on one side is arranged on the inner side of a groove on the upper part of the H-shaped connecting piece 11, the C-shaped connecting piece 13 on the other side is arranged on the inner side of a groove on the lower part of the H-shaped connecting piece 11, the C-shaped connecting piece 13 is connected with the H-shaped connecting piece 11 through a plurality of connecting bolts 9,
the diagonal web member node 8 comprises a diagonal web member 15, an upper ear plate 17 and a lower ear plate 18, wherein the upper ear plate 17 and the lower ear plate 18 are symmetrically and fixedly connected on the same end face of the diagonal web member 15, a side ear plate 19 is arranged between the upper ear plate 17 and the lower ear plate 18, and the upper ear plate 17, the side ear plate 19 and the lower ear plate 18 are connected through a connecting bolt 9.
The rectangular cooling tower with the single-layer steel structure in the embodiment comprises a vertical chord member 1, an annular chord member 2, an inclined web member 3, a cross inclined column 4 and a local node area 5 of the cooling tower, wherein the vertical chord member 1 is arranged in the vertical direction, the annular chord member 2 is arranged in the horizontal annular direction, the inclined web member 3 is arranged in the inclined direction, the cross inclined column 4 is arranged at the lowest end of the cooling tower as the lower support of the structure, and the local node area 5 of the cooling tower is a connecting node of the vertical chord member 1, the annular chord member 2 and the inclined web member 3. The vertical chord member 1 and the annular chord member 2 are used as main stress frames, stress is mainly stretch bending and compression bending stress, and the node connection adopts H-C node semi-rigid connection. The diagonal web member 3 is used as a supporting member, is mainly subjected to tension and compression, is hinged with a joint of the vertical chord member 1 by adopting an ear plate, and the cooling tower local joint area 5 is an H-C type assembly joint of the cooling tower with a single-layer steel structure, and comprises a vertical chord member joint 6, two circumferential chord member joints 7, four diagonal web member joints 8 and a plurality of connecting bolts 9.
The second embodiment is as follows: the present embodiment is described with reference to fig. 3 to 6, in which two C-shaped connectors 13 are symmetrically fixed to the end surface of the ring chord 12 in the vertical direction. Other compositions and connection modes are the same as in the first embodiment.
The stress between the C-shaped connecting piece 13 and the H-shaped connecting piece 11 is balanced by the design.
And a third specific embodiment: the present embodiment will be described with reference to fig. 3 to 6, in which the opening direction of the C-shaped connector 13 is set outward. Other compositions and connection modes are the same as those of the second embodiment.
The design is convenient for connecting and installing the C-shaped connecting piece 13 and the H-shaped connecting piece 11.
The specific embodiment IV is as follows: the present embodiment is described with reference to fig. 3, 4 and 7, in which the side ear plate 19 is fixedly connected to the side wall of the vertical chord 10 in the vertical direction. Other compositions and connection modes are the same as those of the first, second or third embodiments.
Fifth embodiment: in the present embodiment, the C-shaped connecting piece 13 is fixedly connected to the end surface of the ring chord member 12 through the rectangular sealing plate 14, the rectangular sealing plate 14 is fixedly connected to the end surface of one end of the ring chord member 12, and the C-shaped connecting piece 13 is vertically fixedly connected to the outer end surface of the rectangular sealing plate 14. Other compositions and connection modes are the same as those of the fourth embodiment.
The strength and stability between the C-shaped connector 13 and the circumferential chord 12 are enhanced by this design.
Specific embodiment six: referring to fig. 3 and 7, in the present embodiment, the upper ear plate 17 and the lower ear plate 18 are fixedly connected to the end surface of the diagonal web member 15 through the circular sealing plate 16, the end surface of one end of the diagonal web member 15 is fixedly connected to the circular sealing plate 16, and the upper ear plate 17 and the lower ear plate 18 are vertically fixedly connected to the outer end surface of the circular sealing plate 16. Other compositions and connection modes are the same as those of the fifth embodiment.
The design thus enhances the strength and stability between the upper 17 and lower 18 ear panels and the diagonal web member 15.
Seventh embodiment: referring to fig. 3 to 7, the vertical chord member 10 according to the present embodiment is a vertical chord member made of rectangular steel, the hoop chord member 12 is an hoop chord member made of rectangular steel, and the diagonal web member 15 is a diagonal web member made of circular steel pipe. Other compositions and connections are the same as in the first, second, third, fifth or sixth embodiments.
Eighth embodiment: referring to fig. 3 to 6, in this embodiment, a plurality of through holes are uniformly distributed on the horizontal plate and the vertical plate of the C-shaped connecting piece 13 and the H-shaped connecting piece 11, the through holes on the H-shaped connecting piece 11 are arranged in one-to-one correspondence with the through holes on the C-shaped connecting piece 13, and a set of connecting bolts 9 are respectively arranged in each corresponding through hole. Other compositions and connection manners are the same as those of the seventh embodiment.
The design is such that the C-shaped connector 13 and the H-shaped connector 11 can be firmly connected on each side.
Detailed description nine: the present embodiment is described with reference to fig. 3 to 7, in which the vertical chord member 10 is disposed in the vertical direction, the hoop chord member 12 is disposed in the horizontal direction, and the diagonal web members 15 are disposed between the vertical chord member 10 and the hoop chord member 12 and are disposed in an obliquely symmetrical manner. Other compositions and connection modes are the same as those of the eighth embodiment.
Detailed description ten: referring to fig. 3 to 7, in this embodiment, the vertical chord member 10 is fixedly connected with the H-shaped connecting piece 11 and the side ear plate 19 by welding, the rectangular sealing plate 14 is fixedly connected with the annular chord member 12 and the C-shaped connecting piece 13 by welding, and the circular sealing plate 16 is fixedly connected with the diagonal web member 15, the upper ear plate 17 and the lower ear plate 18 by welding. Other compositions and connection modes are the same as those of the first, second, third, fifth, sixth, eighth or ninth embodiments.
Claims (8)
1. Be applied to H-C type assembled node of individual layer steel construction cooling tower, its characterized in that: the H-C type assembly type node applied to the single-layer steel structure cooling tower comprises a vertical chord member node (6), two ring chord member nodes (7), four inclined web member nodes (8) and a plurality of connecting bolts (9), wherein two ring chord member nodes (7) are respectively arranged at two sides of the vertical chord member node (6) in the horizontal direction, one inclined web member node (8) is respectively arranged at four inclined angles of the vertical chord member node (6),
the vertical chord member node (6) comprises a vertical chord member (10), two H-shaped connecting pieces (11) and four side ear plates (19), the two sides of the vertical chord member (10) are symmetrically and vertically fixedly connected with the H-shaped connecting pieces (11), the opening direction of the H-shaped connecting pieces (11) is arranged along the vertical direction, the middle parts of the upper side and the lower side of the H-shaped connecting pieces (11) are symmetrically provided with the side ear plates (19) respectively, the side ear plates (19) are fixedly connected on the side wall of the vertical chord member (10),
the ring chord member node (7) comprises a ring chord member (12) and two C-shaped connecting pieces (13), the two C-shaped connecting pieces (13) are symmetrically and fixedly connected on the same end face of the ring chord member (12), the C-shaped connecting piece (13) on one side is arranged on the inner side of a groove on the upper part of the H-shaped connecting piece (11), the C-shaped connecting piece (13) on the other side is arranged on the inner side of a groove on the lower part of the H-shaped connecting piece (11), the C-shaped connecting piece (13) is connected with the H-shaped connecting piece (11) through a plurality of connecting bolts (9),
the diagonal web member node (8) comprises a diagonal web member (15), an upper ear plate (17) and a lower ear plate (18), wherein the upper ear plate (17) and the lower ear plate (18) are symmetrically and fixedly connected on the same end face of the diagonal web member (15), a side ear plate (19) is arranged between the upper ear plate (17) and the lower ear plate (18), and the upper ear plate (17), the side ear plate (19) and the lower ear plate (18) are connected through connecting bolts (9);
the two C-shaped connecting pieces (13) are symmetrically and fixedly connected to the end face of the annular chord member (12) along the vertical direction;
the opening direction of the C-shaped connecting piece (13) is outwards arranged.
2. An H-C type fabricated node for a single layer steel structure cooling tower according to claim 1, wherein: the side ear plates (19) are fixedly connected to the side walls of the vertical chord members (10) along the vertical direction.
3. An H-C type fabricated node for use in a single layer steel structure cooling tower according to claim 2, wherein: the C-shaped connecting piece (13) is fixedly connected to the end face of the annular chord member (12) through a rectangular sealing plate (14), the rectangular sealing plate (14) is fixedly connected to the end face of one end of the annular chord member (12), and the C-shaped connecting piece (13) is vertically fixedly connected to the outer end face of the rectangular sealing plate (14).
4. An H-C type fabricated node for a single layer steel structure cooling tower according to claim 3, wherein: the upper ear plate (17) and the lower ear plate (18) are fixedly connected to the end face of the inclined web member (15) through a round sealing plate (16), the end face of one end of the inclined web member (15) is fixedly connected with the round sealing plate (16), and the upper ear plate (17) and the lower ear plate (18) are vertically fixedly connected to the outer end face of the round sealing plate (16).
5. An H-C type fabricated node for use in a single layer steel structure cooling tower according to claim 1, 2, 3 or 4, wherein: the vertical chord member (10) is a vertical chord member made of rectangular steel, the annular chord member (12) is an annular chord member made of rectangular steel, and the inclined web member (15) is an inclined web member made of circular steel pipes.
6. An H-C type fabricated node for a single layer steel structure cooling tower as defined in claim 5, wherein: a plurality of through holes are uniformly distributed on the horizontal plate and the vertical plate of the C-shaped connecting piece (13) and the H-shaped connecting piece (11), the through holes on the H-shaped connecting piece (11) are in one-to-one correspondence with the through holes on the C-shaped connecting piece (13), and connecting bolts (9) are arranged in each corresponding group of through holes.
7. An H-C type fabricated node for a single layer steel structure cooling tower as defined in claim 6, wherein: the vertical chord member (10) is arranged in the vertical direction, the annular chord member (12) is arranged in the horizontal direction, and the inclined web member (15) is arranged between the vertical chord member (10) and the annular chord member (12) and is arranged in an inclined symmetrical mode.
8. An H-C type fabricated node for use in a single layer steel structure cooling tower as claimed in claim 1, 2, 3, 4, 6 or 7, wherein: the vertical chord member (10) is fixedly connected with the H-shaped connecting piece (11) and the side lug plate (19) in a welding way, the rectangular sealing plate (14) is fixedly connected with the annular chord member (12) and the C-shaped connecting piece (13) in a welding way, and the circular sealing plate (16) is fixedly connected with the inclined web member (15), the upper lug plate (17) and the lower lug plate (18) in a welding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013845.4A CN107620500B (en) | 2017-10-26 | 2017-10-26 | H-C type assembled node applied to single-layer steel structure cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013845.4A CN107620500B (en) | 2017-10-26 | 2017-10-26 | H-C type assembled node applied to single-layer steel structure cooling tower |
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| Publication Number | Publication Date |
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| CN107620500A CN107620500A (en) | 2018-01-23 |
| CN107620500B true CN107620500B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711013845.4A Active CN107620500B (en) | 2017-10-26 | 2017-10-26 | H-C type assembled node applied to single-layer steel structure cooling tower |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306667B (en) * | 2018-03-20 | 2024-05-24 | 青岛理工大学 | Pin type connecting mechanism for assembled wood structure reticulated shell |
| CN110453946B (en) * | 2019-08-22 | 2020-10-09 | 温州春桦秋时科技有限公司 | Cooling tower connected node and assembled cooling tower thereof |
| CN111255070B (en) * | 2020-04-26 | 2020-07-24 | 中国船舶重工集团国际工程有限公司 | Assembled arc-shaped steel plate frictional buckling energy dissipation pin box-shaped steel beam column node and installation method |
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| TR201202527U (en) * | 2012-03-06 | 2012-08-22 | Paçaci Devri̇m | Carrier carcass joint. |
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| SU1701873A1 (en) * | 1990-01-30 | 1991-12-30 | Всесоюзный Институт По Проектированию Организации Энергетического Строительства "Оргэнергострой" | Shell frame of cooling tower |
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