CN201722944U - Reinforcement component of power-transmission angle-steel iron tower - Google Patents
Reinforcement component of power-transmission angle-steel iron tower Download PDFInfo
- Publication number
- CN201722944U CN201722944U CN2010201901958U CN201020190195U CN201722944U CN 201722944 U CN201722944 U CN 201722944U CN 2010201901958 U CN2010201901958 U CN 2010201901958U CN 201020190195 U CN201020190195 U CN 201020190195U CN 201722944 U CN201722944 U CN 201722944U
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- angle
- power
- arc
- steel
- iron tower
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- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 59
- 239000010959 steel Substances 0.000 title claims abstract description 59
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 24
- 230000002787 reinforcement Effects 0.000 title abstract description 19
- 229910052742 iron Inorganic materials 0.000 title abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 238000005098 hot rolling Methods 0.000 abstract 2
- 238000007596 consolidation process Methods 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model relates to a reinforcement component of a power-transmission angle-steel iron tower, in particular to a reinforcement component of a power-transmission angle-steel iron tower in power equipment. The reinforcement component of the power-transmission angle-steel iron tower comprises a vertex angle and fixing plates extending out of the vertex angle, wherein the vertex angle is an outwards convex arc-shaped vertex angle, and the inner arc of the arc-shaped vertex angle does not contact with a vertex angle of angle steel. By connecting the reinforcement component with the arc-shaped vertex angle on the hot-rolling angle steel of an original power-transmission angle-steel iron tower, the scheme realizes the reinforcement and the consolidation of a running power-transmission angle-steel iron tower which does not meet a safety condition, and ensures the normal running of an actual line. The reinforcement component comprises two parts which are the fixing plates at both ends and the arc-shaped vertex angle, wherein the fixing plates at both ends are convenient for the connection between the reinforcement component and the angle steel of the original power-transmission angle-steel iron tower, and the reinforcement component and the angle steel of the original power-transmission angle-steel iron tower can be connected by bolts and can also be connected in a welding way. By the arc-shaped vertex angle, the inertia moment of the section after being reinforced and consolidated is greatly enhanced in comparison with the hot-rolling angle steel and is increased, and the stability of the section is enhanced, thereby enhancing the bearing capacity of the component and ensuring the normal running of the power-transmission angle-steel iron tower after being reinforced and consolidated.
Description
Technical field
The utility model relates to a kind of power equipment, is specifically related to the strenthening member of transmission angle steel tower in the power equipment.
Background technology
Present China iron tower of power transmission line 500kV and following electric pressure thereof, the overwhelming majority adopts hot-rolled angle steel to design, the 220kV transmission line of electricity is progressively to form in the later stage seventies, a lot of hot-rolled angle steel transmission angle steel tower running time was above 30 years, when transmission angle steel tower can not satisfy actual service conditions, just the load under the actual service conditions is applied on the transmission angle steel tower, then make the part rod member surpass its design bearing capacity, can produce fracture, the incident of collapsing, influence the safety that electric power is carried, China's iron tower of power transmission line adopts method of safety coefficients before nineteen ninety, 1990 back structure designs adopt the limit states design method based on probability theory, 1999 subsequently again to nineteen ninety design specifications revise, again design specifications in 1999 was revised in 2002, the large-scale ice damage that China in 2008 south sleet freezing weather causes falls tower, makes the overhead transmission line design specifications carry out the revision of a new round again.The transmission angle steel tower that the continuous variation of external environment condition and the continuous revision of design specifications make China's major part move can't satisfy actual service conditions, the accident of falling the tower that Tianjin storm in 2007 causes and China's south transmission line of electricity ice damage in 2008 fall tower, make us have to the safety of the transmission line of electricity that moved is reappraised, when the transmission angle steel tower that is moving can not satisfy actual service conditions, if change transmission angle steel tower then difficulty is big, the expense height, power off time is long, how under the condition of not cutting off the power supply, to moving but the transmission angle steel tower of discontented full border service condition carries out reinforcement and strengthening, have great importance to improving China's transmission angle steel tower reliability of operation.
The utility model content
For solving in the prior art under situation about not having a power failure, reinforce the transmission angle steel tower that is moving, make it meet the problem of national safety standard, it is a kind of at original angle steel external fixation one layer of V-shaped section structural member that the utility model provides, realizing does not have a power failure can make former transmission angle steel tower reach the reinforcement means of safety standard, concrete scheme is as follows: a kind of strenthening member of transmission angle steel tower, comprise drift angle and by the extended fixed head of drift angle, it is characterized in that, described drift angle is the arc drift angle of evagination, and the inner arc of arc drift angle does not contact with the drift angle of angle steel.
Another optimal way of the present utility model: the inner arc radius≤sheet metal thickness of described arc drift angle, the outer arc radius equals inner arc radius+sheet metal thickness.
Another optimal way of the present utility model: on the described fixed head screw is arranged, fixed head is fixed by the limb plate of bolt that passes screw and angle steel.
Another optimal way of the present utility model: the length of described fixed head＞1/2 leg of angle is wide.
Another optimal way of the present utility model: described fixed head is fixed by the welding and the limb plate of angle steel.
Another optimal way of the present utility model: as the length of described fixed head 〉=1/4 leg of angle wide and≤1/2 leg of angle is wide.
Another optimal way of the present utility model: the thickness of the sheet metal thickness 〉=angle steel of strenthening member.
This programme is by connecting a kind of strenthening member of novel band arc drift angle on the hot-rolled angle steel of original transmission angle steel tower, realize just moving but do not satisfy the reinforcement and strengthening of the transmission angle steel tower of safety condition, be a kind of can be under charged situation the new method of reinforcement and strengthening iron tower, guarantee the normal operation of actual track, this strenthening member realizes in factory by clod wash, strenthening member comprises two ends fixed head and two parts of arc drift angle, the two ends fixed head is convenient to being connected between strenthening member and the former transmission angle steel tower angle steel, both can also can connect with welding by the bolt connection, the arc drift angle makes the second moment of area behind the reinforcement and strengthening improve greatly than hot-rolled angle steel, moment of inertia increases, improved the stability in cross section, thereby improve the supporting capacity of member, guaranteed the normal operation of transmission angle steel tower behind the reinforcement and strengthening.
Description of drawings
Fig. 1 the utility model strenthening member schematic diagram
Fig. 2 the utility model adopts bolt strenthening member schematic diagram
Fig. 3 the utility model adopts fixedly strenthening member schematic diagram of welding
The specific embodiment
The utility model provides a kind of new parts of transmission angle steel tower reinforcement and strengthening at the transmission angle steel tower loading characteristic that is moving.Transmission angle steel tower generally comprises the body of the tower master material that is made of angle steel, oblique material, auxiliary material, lead cross-arm master material, ground wire cross-arm master's material and tabula material.
Strenthening member of the present utility model as shown in Figure 1, the fixed head 1 and the middle arc drift angle 2 that outwards protrudes that comprise two ends, the sheet metal thickness 8 of the inner arc 3 radiuses≤strenthening member of arc drift angle, outer arc 4 radiuses of arc drift angle equal the sheet metal thickness 8 of inner arc radius+strenthening member.The arc drift angle of this programme adopts steel plate or steel band by cold-rolling mill or bent into shape machine moulding, is subjected to the influence of processing technology, equipment, and the inner arc 3 and the outer arc 4 of arc drift angle can not be too little.The inner arc limit of the arc drift angle after the processing does not contact with the drift angle of angle steel, certain distance is arranged between inner arc limit and the drift angle, and this distance also is subjected to the influence of processing technology, general 〉=1/8 leg of angle is wide, ≤ 1/4 leg of angle is wide, and the sheet metal thickness of strenthening member is general 〉=thickness of the angle steel that needs reinforcement.
This programme provides two kinds of fixed forms: bolt and welding, as shown in Figure 2, on the fixed head 1 of strenthening member, get out parallel a plurality of screws 6 during bolt, on the limb plate 5 of angle steel 9, bore corresponding screw, fix with the screw that bolt 7 passes on fixed head and the limb plate 5, when adopting this mode the length of fixed head 1 general＞1/2 leg of angle is wide.
When angle steel can't adopt bolt because of concrete environment, adopt the fixedly strenthening member of mode of welding, can suitably reduce the length of strenthening member fixed head this moment, as shown in Figure 3, the length of fixed head generally 〉=1/4 leg of angle wide and≤1/2 leg of angle is wide., get fillet weld size and equal sheet metal thickness 8 during at the sheet metal thickness 8 of strenthening member,, get fillet weld size and equal sheet metal thickness and subtract (1～2) mm when sheet metal thickness 8 during greater than 6mm less than 6mm.
This programme can carry out reinforcement and strengthening to hot-rolled angle steel total length on the transmission angle steel tower, also can carry out reinforcement and strengthening to the local weak spot of hot-rolled angle steel.Below only be the object lesson of enumerating this programme, but not to the restriction of this programme, any technical scheme of this programme feature that comprises is all within the protection domain of this programme.
Claims (7)
1. the strenthening member of a transmission angle steel tower comprises drift angle (2) and, it is characterized in that described drift angle (2) is the arc drift angle of evagination by the extended fixed head of drift angle (1) that the inner arc of arc drift angle (3) does not contact with the drift angle of angle steel (9).
2. strenthening member as claimed in claim 1 is characterized in that, the inner arc of described arc drift angle (3) radius≤sheet metal thickness (8), and outer arc (4) radius equals inner arc radius+sheet metal thickness (8).
3. strenthening member as claimed in claim 2 is characterized in that, screw (6) is arranged on the described fixed head (1), and fixed head (1) is fixing with the limb plate (5) of angle steel (9) by the bolt that passes screw (6) (7).
4. strenthening member as claimed in claim 3 is characterized in that, the length of described fixed head (1)＞1/2 leg of angle is wide.
5. strenthening member as claimed in claim 2 is characterized in that, described fixed head (1) is fixing with the limb plate (5) of angle steel (9) by welding.
6. strenthening member as claimed in claim 5 is characterized in that, as the length of described fixed head (1) 〉=1/4 leg of angle wide and≤1/2 leg of angle is wide.
7. strenthening member as claimed in claim 6 is characterized in that, the thickness of the sheet metal thickness of strenthening member (8) 〉=angle steel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201901958U CN201722944U (en) | 2010-05-10 | 2010-05-10 | Reinforcement component of power-transmission angle-steel iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201901958U CN201722944U (en) | 2010-05-10 | 2010-05-10 | Reinforcement component of power-transmission angle-steel iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201722944U true CN201722944U (en) | 2011-01-26 |
Family
ID=43491263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201901958U Expired - Lifetime CN201722944U (en) | 2010-05-10 | 2010-05-10 | Reinforcement component of power-transmission angle-steel iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201722944U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661057A (en) * | 2012-05-30 | 2012-09-12 | 衡水供电公司 | Power angle tower pull leg main material changing method and special main material clamp |
| CN107386759A (en) * | 2017-07-11 | 2017-11-24 | 深圳带路科技有限公司 | A kind of bamboo shape steel tower bracing means |
| CN109465576A (en) * | 2018-12-21 | 2019-03-15 | 中国建筑土木建设有限公司 | Defect correction device and correction method for steel structure joint |
-
2010
- 2010-05-10 CN CN2010201901958U patent/CN201722944U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661057A (en) * | 2012-05-30 | 2012-09-12 | 衡水供电公司 | Power angle tower pull leg main material changing method and special main material clamp |
| CN102661057B (en) * | 2012-05-30 | 2015-01-21 | 国家电网公司 | Power angle tower pull leg main material changing method and special main material clamp |
| CN107386759A (en) * | 2017-07-11 | 2017-11-24 | 深圳带路科技有限公司 | A kind of bamboo shape steel tower bracing means |
| CN109465576A (en) * | 2018-12-21 | 2019-03-15 | 中国建筑土木建设有限公司 | Defect correction device and correction method for steel structure joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140321 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute Effective date of registration: 20140321 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |
|
| CX01 | Expiry of patent term |