CN104032998A - Wine-glass-type steel tube tower at alternating-current 500 kV reiteration ice region - Google Patents
Wine-glass-type steel tube tower at alternating-current 500 kV reiteration ice region Download PDFInfo
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- CN104032998A CN104032998A CN201410303374.0A CN201410303374A CN104032998A CN 104032998 A CN104032998 A CN 104032998A CN 201410303374 A CN201410303374 A CN 201410303374A CN 104032998 A CN104032998 A CN 104032998A
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Abstract
A wine-glass-type steel tube tower at an alternating-current 500 kV reiteration ice region comprises a tower head and a tower body. The tower head is in a wine glass type and is formed by a ground wire support, a guide wire cross arm, an upper crank arm and a lower crank arm, the connection portion of the upper crank arm and the lower crank arm are connected through a through solder strip annular stiffening-plate-type K joint component, the ground wire support and the guide wire cross arm are connected through a first through welded steel tube connector-type node component, the upper crank arm and the guide wire cross arm are connected through a second through welded steel tube connector-type node component, the opening of the tower body is provided with a welding flange-type node component with a stiffening plate, and the ground wire support, the ground wire cross arm, the upper crank arm, the lower crank arm and the tower body are of a steel tube structure. Node components are stable in structure, and ice loading capacity and the wind bearing capacity of the tower body are improved; due to the steel tube structure, unevenness of combined angle steel is avoided, good power characteristics are achieved, bearing capacity is large on the condition of the same safety degree, strength of steel can be made full use of and indexes of the steel are reduced.
Description
Technical field
The present invention relates to a kind of interchange 500kV and re-cover ice formation wine glass-shaped steel tube tower.
Background technology
In recent years, ice load is subject to paying close attention to more and more widely on the impact of power equipment, and icing disaster becomes the key factor that affects power grid security.Transmission line of electricity unavoidably passes through mountain area, valley and Deng Chong ice-covering area, mima type microrelief region, as how guaranteed that compared with scalp heavy ice-covering area transmission line of electricity is safely to put at present the difficult problem in face of power grid construction person.The tower that steel tube tower is attached most importance under the large loading condition in icing region with its succinct profile attractive in appearance, good mechanical characteristic and circular cross-section anti-ice wind resistance advantage selects to provide important solutions.At present, the application of steel tube tower in work transmission line is more and more extensive, and it is 10mm and following light ice formation that existing steel tube tower is mainly used in home ice layer thickness, and existing steel tube tower supporting capacity is less, and is not suitable for and re-covers ice formation.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the above-mentioned defect that prior art exists, and provides the interchange 500kV that a kind of supporting capacity is larger to re-cover ice formation wine glass-shaped steel tube tower.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of interchange 500kV re-covers ice formation wine glass-shaped steel tube tower, comprise tower head and tower body, tower head is wine glass-shaped, tower head by earth wire support, wire cross-arm, on crank arm, lower bent lever forms, on crank arm and be connected by passing through mutually welding hoop strength template K node component with lower bent lever joint, earth wire support passes through Coiling Welded Pipe joint-type node component with wire cross-arm joint by first-phase and is connected, on crank arm and by second-phase, pass through Coiling Welded Pipe joint-type node component with wire cross-arm joint and be connected, the bottle mouth position of tower body is provided with band stiffener welded flange type node component.
Further, described earth wire support, wire cross-arm, on crank arm, lower bent lever, tower body be steel tubular structure.
Further, described earth wire support, wire cross-arm, on crank arm, the steel pipe material of lower bent lever, tower body is Q235 or Q345.
Further, on crank arm with lower bent lever joint pass through mutually welding hoop strength template K node component crank arm in comprising joint steel pipe and the joint steel pipe of cranking arm outward, the joint steel pipe of inside cranking arm inserts in the outer joint steel pipe of cranking arm, inside crank arm joint steel pipe with crank arm joint steel pipe by being welded and fixed outward, welding manner is for passing through mutually welding; Pass through mutually welding hoop strength template K node component periphery and be welded with ring stiffener, in order to strengthen node rigidity and to reduce stress, concentrate the impact on steel pipe bearing capacity, inside crank arm joint steel pipe two ends and joint steel pipe two ends of cranking arm are outward equipped with hubbed flange, pass through mutually welding hoop strength template K node component by hubbed flange with on crank arm, lower bent lever is connected.
Further, the first-phase of earth wire support and wire cross-arm joint passes through Coiling Welded Pipe joint-type node component and comprises earth wire support joint steel pipe, earth wire support joint steel pipe inserts on the main material of cross-arm of wire cross-arm in steel pipe, on the main material of earth wire support joint steel pipe and cross-arm, steel pipe is by being welded and fixed, and welding manner is for passing through mutually welding; The periphery that first-phase passes through Coiling Welded Pipe joint-type node component is welded with stiffener, to guarantee its rigidity; Earth wire support joint steel pipe end is provided with hubbed flange, and first-phase passes through Coiling Welded Pipe joint-type node component and is connected with earth wire support by hubbed flange;
Further, on the second-phase of cranking arm with wire cross-arm joint pass through Coiling Welded Pipe joint-type node component and comprise the joint steel pipe of cranking arm, on the joint steel pipe of cranking arm insert under the main material of cross-arm of wire cross-arm in steel pipe, on crank arm that steel pipe is by being welded and fixed under joint steel pipe and the main material of cross-arm, welding manner is for passing through mutually welding; The periphery that second-phase passes through Coiling Welded Pipe joint-type node component is welded with stiffener, to guarantee its rigidity; On the joint steel pipe end of cranking arm be provided with hubbed flange, second-phase pass through Coiling Welded Pipe joint-type node component by hubbed flange with on crank arm and be connected.
Further, the band stiffener welded flange type node component of being located at the bottle mouth position of tower body comprises joint steel pipe and lower joint steel pipe, upper joint steel pipe and lower joint steel pipe are welded in respectively circular flange plate two sides, periphery with stiffener welded flange type node component is welded with stiffener, to guarantee node rigidity; Upper joint steel pipe end and lower joint steel pipe end are equipped with hubbed flange, and band stiffener welded flange type node component is connected with lower bent lever, tower body by hubbed flange.
Each node component stabilized structure of the present invention, is conducive to strengthen tower body ice load ability and tower body wind load ability, is applicable to re-cover ice formation.And, the present invention adopts steel tubular structure, simplified iron tower structure pattern, be conducive to avoid combining the inhomogeneities of angle steel, there is better dynamic characteristics, than angle iron component parasitic moment stress, greatly reduce, in same equal safety degree situation, be conducive to strengthen the ability of withstanding natural calamities re-covering ice formation application steel tube tower; And steel tube component caliber, thickness kind are more, and supporting capacity is large, can give full play to steel strength, reduce steel index.
Accompanying drawing explanation
Fig. 1 is that the present invention exchanges the overall structure schematic diagram that 500kV re-covers ice formation wine glass-shaped steel tube tower;
Fig. 2 be the B place of the steel tube tower of wine glass-shaped shown in Fig. 1, crank arm with lower bent lever joint pass through mutually welding hoop strength template K node component structure for amplifying schematic diagram;
Fig. 3 be the A place of the steel tube tower of wine glass-shaped shown in Fig. 1 be the first-phase of earth wire support and wire cross-arm joint pass through Coiling Welded Pipe joint-type node component and on crank arm and pass through Coiling Welded Pipe joint-type node component structure for amplifying schematic diagram with the second-phase of wire cross-arm joint;
Fig. 4 is the band stiffener welded flange type node component structure for amplifying schematic diagram of the C place of the steel tube tower of wine glass-shaped shown in Fig. 1 bottle mouth position of being located at tower body.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1, the present embodiment comprises tower head 14 and tower body 15, tower head is wine glass-shaped, tower head is by earth wire support 14-1, wire cross-arm 14-2, on the 14-3 that cranks arm, lower bent lever 14-4 forms, on the 14-3 that cranks arm be connected by passing through mutually welding hoop strength template K node component with lower bent lever 14-4 joint, earth wire support 14-1 passes through Coiling Welded Pipe joint-type node component with wire cross-arm 14-2 joint by first-phase and is connected, on the 14-3 that cranks arm by second-phase, pass through Coiling Welded Pipe joint-type node component with wire cross-arm 14-2 joint and be connected, the bottle mouth position of tower body 15 is provided with band stiffener welded flange type node component.
Described earth wire support 14-1, wire cross-arm 14-2, on crank arm 14-3, lower bent lever 14-4, tower body 15 be steel tubular structure.
Described earth wire support 14-1, wire cross-arm 14-2, on the crank arm steel pipe material of 14-3, lower bent lever 14-4, tower body 15 be Q235 or Q345.
With reference to Fig. 2, on crank arm 14-3 and lower bent lever 14-4 joint pass through mutually welding hoop strength template K node component crank arm in comprising joint steel pipe 2 and the joint steel pipe 1 of cranking arm outward, the joint steel pipe 2 of inside cranking arm inserts in the outer joint steel pipe 1 of cranking arm, inside crank arm joint steel pipe 2 with crank arm outward joint steel pipe 1 both by being welded and fixed, welding manner is for passing through mutually welding; Pass through mutually welding hoop strength template K node component periphery and be welded with ring stiffener 3, in order to strengthen node rigidity and to reduce stress, concentrate the impact on steel pipe bearing capacity, inside crank arm joint steel pipe 2 two ends and joint steel pipe 1 two ends of cranking arm are outward equipped with hubbed flange 4, pass through mutually welding hoop strength template K node component by hubbed flange 4 with on crank arm 14-3, lower bent lever 14-4 be connected.
With reference to Fig. 3, the first-phase of earth wire support 14-1 and wire cross-arm 14-2 joint passes through Coiling Welded Pipe joint-type node component and comprises earth wire support joint steel pipe 5, earth wire support joint steel pipe 5 inserts on the main material of cross-arm of wire cross-arms in steel pipe 6-1, on earth wire support joint steel pipe 5 and the main material of cross-arm, steel pipe 6-1 is by being welded and fixed, and welding manner is for passing through mutually welding; The periphery that first-phase passes through Coiling Welded Pipe joint-type node component is welded with stiffener 8-1, to guarantee its rigidity; Earth wire support joint steel pipe 5 ends are provided with hubbed flange 9-1, and first-phase passes through Coiling Welded Pipe joint-type node component and is connected with earth wire support 14-1 by hubbed flange 9-1;
On the crank arm second-phase of 14-3 and wire cross-arm 14-2 joint pass through Coiling Welded Pipe joint-type node component and comprise the joint steel pipe 7 of cranking arm, on crank arm joint steel pipe 7 insert under the main material of cross-arm of wire cross-arms in steel pipe 6-2, on crank arm that steel pipe 6-2 is by being welded and fixed under joint steel pipe 7 and the main material of cross-arm, welding manner is for passing through mutually welding; The periphery that second-phase passes through Coiling Welded Pipe joint-type node component is welded with stiffener 8-2, to guarantee its rigidity; On joint steel pipe 7 ends of cranking arm be provided with hubbed flange 9-2, second-phase pass through Coiling Welded Pipe joint-type node component by hubbed flange 9-2 with on the 14-3 that cranks arm be connected.
With reference to Fig. 4, the band stiffener welded flange type node component of being located at the bottle mouth position of tower body 15 comprises joint steel pipe 11-1 and lower joint steel pipe 11-2, upper joint steel pipe 11-1 and lower joint steel pipe 11-2 are welded in respectively circular flange plate 10 two sides, periphery with stiffener welded flange type node component is welded with stiffener 12, to guarantee node rigidity; Upper joint steel pipe 11-1 end and lower joint steel pipe 11-2 end are equipped with hubbed flange 13, and band stiffener welded flange type node component is connected with lower bent lever 14-4, tower body 15 by hubbed flange 13.
Each node component stabilized structure of the present invention, is conducive to strengthen tower body ice load ability and tower body wind load ability.And, the present invention adopts steel tubular structure, simplified iron tower structure pattern, be conducive to avoid combining the inhomogeneities of angle steel, there is better dynamic characteristics, than angle iron component parasitic moment stress, greatly reduce, in same equal safety degree situation, be conducive to strengthen the ability of withstanding natural calamities re-covering ice formation application steel tube tower; And steel tube component caliber, thickness kind are more, and supporting capacity is large, can give full play to steel strength, reduce steel index.
Claims (7)
1. an interchange 500kV re-covers ice formation wine glass-shaped steel tube tower, comprise tower head and tower body, tower head is wine glass-shaped, tower head by earth wire support, wire cross-arm, on crank arm, lower bent lever forms, it is characterized in that, on crank arm and be connected by passing through mutually welding hoop strength template K node component with lower bent lever joint, earth wire support passes through Coiling Welded Pipe joint-type node component with wire cross-arm joint by first-phase and is connected, on crank arm and by second-phase, pass through Coiling Welded Pipe joint-type node component with wire cross-arm joint and be connected, the bottle mouth position of tower body is provided with band stiffener welded flange type node component.
2. interchange 500kV according to claim 1 re-covers ice formation wine glass-shaped steel tube tower, it is characterized in that, described earth wire support, wire cross-arm, on crank arm, lower bent lever, tower body be steel tubular structure.
3. interchange 500kV according to claim 1 and 2 re-covers ice formation wine glass-shaped steel tube tower, it is characterized in that, described earth wire support, wire cross-arm, on crank arm, the steel pipe material of lower bent lever, tower body is Q235 or Q345.
4. interchange 500kV according to claim 1 and 2 re-covers ice formation wine glass-shaped steel tube tower, it is characterized in that, on crank arm with lower bent lever joint pass through mutually welding hoop strength template K node component crank arm in comprising joint steel pipe and the joint steel pipe of cranking arm outward, the joint steel pipe of inside cranking arm inserts in the outer joint steel pipe of cranking arm, inside crank arm joint steel pipe with crank arm joint steel pipe by being welded and fixed outward, welding manner is for passing through mutually welding; Pass through mutually welding hoop strength template K node component periphery and be welded with ring stiffener, inside crank arm joint steel pipe two ends and joint steel pipe two ends of cranking arm are outward equipped with hubbed flange, pass through mutually welding hoop strength template K node component by hubbed flange with on crank arm, lower bent lever is connected.
5. interchange 500kV according to claim 1 and 2 re-covers ice formation wine glass-shaped steel tube tower, it is characterized in that, the first-phase of earth wire support and wire cross-arm joint passes through Coiling Welded Pipe joint-type node component and comprises earth wire support joint steel pipe, earth wire support joint steel pipe inserts on the main material of cross-arm of wire cross-arm in steel pipe, on the main material of earth wire support joint steel pipe and cross-arm, steel pipe is by being welded and fixed, and welding manner is for passing through mutually welding; The periphery that first-phase passes through Coiling Welded Pipe joint-type node component is welded with stiffener; Earth wire support joint steel pipe end is also provided with hubbed flange, and first-phase passes through Coiling Welded Pipe joint-type node component and is connected with earth wire support by hubbed flange.
6. interchange 500kV according to claim 1 and 2 re-covers ice formation wine glass-shaped steel tube tower, it is characterized in that, on the second-phase of cranking arm with wire cross-arm joint pass through Coiling Welded Pipe joint-type node component and comprise the joint steel pipe of cranking arm, on the joint steel pipe of cranking arm insert under the main material of cross-arm of wire cross-arm in steel pipe, on crank arm that steel pipe is by being welded and fixed under joint steel pipe and the main material of cross-arm, welding manner is for passing through mutually welding; The periphery that second-phase passes through Coiling Welded Pipe joint-type node component is also welded with stiffener; On the joint steel pipe end of cranking arm be provided with hubbed flange, second-phase pass through Coiling Welded Pipe joint-type node component by hubbed flange with on crank arm and be connected.
7. interchange 500kV according to claim 1 and 2 re-covers ice formation wine glass-shaped steel tube tower, it is characterized in that, the band stiffener welded flange type node component of being located at the bottle mouth position of tower body comprises joint steel pipe and lower joint steel pipe, upper joint steel pipe and lower joint steel pipe are welded in respectively circular flange plate two sides, with the periphery of stiffener welded flange type node component, are welded with stiffener; Upper joint steel pipe end and lower joint steel pipe end are equipped with hubbed flange, and band stiffener welded flange type node component is connected with lower bent lever, tower body by hubbed flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303374.0A CN104032998A (en) | 2014-06-30 | 2014-06-30 | Wine-glass-type steel tube tower at alternating-current 500 kV reiteration ice region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303374.0A CN104032998A (en) | 2014-06-30 | 2014-06-30 | Wine-glass-type steel tube tower at alternating-current 500 kV reiteration ice region |
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| CN104032998A true CN104032998A (en) | 2014-09-10 |
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| CN201410303374.0A Pending CN104032998A (en) | 2014-06-30 | 2014-06-30 | Wine-glass-type steel tube tower at alternating-current 500 kV reiteration ice region |
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| CN (1) | CN104032998A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915335A (en) * | 2018-07-20 | 2018-11-30 | 南方电网科学研究院有限责任公司 | A kind of open-close type transmission of electricity emergent repairing tower tower head |
| CN108915334A (en) * | 2018-07-20 | 2018-11-30 | 南方电网科学研究院有限责任公司 | A kind of transmission of electricity emergent repairing tower |
| CN110847680A (en) * | 2019-11-06 | 2020-02-28 | 国网浙江省电力有限公司 | Steel pipe tower plane K type intersecting node structure |
| CN111075245A (en) * | 2018-10-22 | 2020-04-28 | 中国电力科学研究院有限公司 | Node is put more energy into and is penetrated through welded steel pipe mutually |
| CN114086811A (en) * | 2021-11-12 | 2022-02-25 | 国网河南省电力公司经济技术研究院 | Strain-resistant wine glass crossing tower with power transmission line steel pipe structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915335A (en) * | 2018-07-20 | 2018-11-30 | 南方电网科学研究院有限责任公司 | A kind of open-close type transmission of electricity emergent repairing tower tower head |
| CN108915334A (en) * | 2018-07-20 | 2018-11-30 | 南方电网科学研究院有限责任公司 | A kind of transmission of electricity emergent repairing tower |
| CN111075245A (en) * | 2018-10-22 | 2020-04-28 | 中国电力科学研究院有限公司 | Node is put more energy into and is penetrated through welded steel pipe mutually |
| CN110847680A (en) * | 2019-11-06 | 2020-02-28 | 国网浙江省电力有限公司 | Steel pipe tower plane K type intersecting node structure |
| CN114086811A (en) * | 2021-11-12 | 2022-02-25 | 国网河南省电力公司经济技术研究院 | Strain-resistant wine glass crossing tower with power transmission line steel pipe structure |
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Application publication date: 20140910 |