CN115126327A - Angle steel reinforcing device for power transmission tower - Google Patents
Angle steel reinforcing device for power transmission tower Download PDFInfo
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- CN115126327A CN115126327A CN202210383992.5A CN202210383992A CN115126327A CN 115126327 A CN115126327 A CN 115126327A CN 202210383992 A CN202210383992 A CN 202210383992A CN 115126327 A CN115126327 A CN 115126327A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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Abstract
The invention discloses a steel angle reinforcing device for a power transmission tower, which comprises main material steel angles, wherein each main material steel angle comprises a first angle steel plate and a second angle steel plate which are arranged in a right angle; the two side edges of the outer side face of the first angle steel plate and the two side edges of the outer side face of the second angle steel plate are respectively provided with a gap plate in a fitting mode, a first outer-pasting channel steel is arranged between the two gap plates of the first angle steel plate in a fitting mode, and a second outer-pasting channel steel is arranged between the two gap plates of the second angle steel plate in a fitting mode; two side edges of the first externally-attached channel steel are respectively and fixedly connected with two gap plates connected with the first angle steel plate, and the bottom edge of the first externally-attached channel steel is fixedly connected with the first angle steel plate; two side of the second outer channel-section steel that pastes are two clearance plates that fixed connection second angle steel plate connects respectively, and the base fixed connection second angle steel plate of the second outer channel-section steel that pastes. The angle steel reinforcing device for the power transmission tower can effectively improve the bending rigidity of the cross section and improve the collapse resistance of the power transmission tower.
Description
Technical Field
The invention relates to the technical field of power transmission line structures, in particular to a steel angle reinforcing device for a power transmission tower.
Background
The transmission line system is mainly responsible for the tasks of transmitting and distributing electric energy and plays an important role in the energy distribution strategy of China, and the transmission tower is a main bearing structure in the transmission line and belongs to a wind sensitive structure. The tropical cyclone disaster in the coastal region is prominent, and the method has the remarkable characteristics of more occurrence times, large strength, wide influence range, strong burstiness and the like. The power transmission tower belonging to a wind sensitive structure is easy to collapse under the action of tropical cyclone, and once the power transmission tower collapses, the power transmission tower often leads to line paralysis, so that the large-area power failure phenomenon occurs, and serious economic loss and social harm are caused. Because the requirement on welding technology precision is high in the current research method, in the field reinforcing engineering of the power transmission tower in a dotted state, the situations that the height of the angle steel to be reinforced is high, welding cannot be carried out, the initial stress is large and the like exist, and a good reinforcing effect cannot be obtained.
Main and diagonal angle steel members in the angle steel tower are reinforced to improve the stable bearing capacity of the angle steel tower, so that the bearing capacity of the whole tower in the aspects of wind resistance, ice resistance and the like is improved, and the collapse of the whole tower can be effectively avoided.
In the prior art, a filler plate 1 and a reinforcing angle steel 2 are adopted to reinforce a main material angle steel 3, the reinforcing angle steel 2 and the reinforced main material angle steel 3 have the same specification, and bolt holes are respectively formed in the reinforcing angle steel 2 and the main material angle steel 3; the filling plate 1 is of a long plate type structure and is positioned between a reinforcing angle steel 2 and a main material angle steel 3, the reinforcing angle steel 2 is positioned on one side of one side surface of the filling plate 1, and the main material angle steel 3 is positioned on the other side surface of the filling plate 1, so that the reinforcing angle steel 2 and the main material angle steel 3 are in a cross double-splicing angle steel combined section form and are fixedly connected with the filling plate 1 through bolts respectively, as shown in figure 1. The reinforcing device has the problems of weak integrity, weak torsional rigidity and uneven stress due to the reinforced double-limb angle steel; in addition, the wind shielding area is increased, and the wind load of the tower body is increased to a certain extent; the reinforcing angle steel occupies a large space, and especially at structural parts with complex nodes and dense rod pieces, the precision of field construction cannot meet the installation requirement.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a steel angle reinforcing device for a power transmission tower.
In order to achieve the purpose, the invention provides a steel angle reinforcing device for a power transmission tower, which comprises main material steel angles, wherein the main material steel angles comprise a first angle steel plate and a second angle steel plate which are arranged in a right angle;
the two middle edges of the outer side surface of the first angle steel plate and the two middle edges of the outer side surface of the second angle steel plate are respectively provided with a gap plate in a fitting manner, a first externally-attached channel steel is arranged between the two gap plates of the first angle steel plate in a fitting manner, and a second externally-attached channel steel is arranged between the two gap plates of the second angle steel plate in a fitting manner;
two side edges of the first outer-pasting channel steel are respectively and fixedly connected with two gap plates which are arranged in a manner of being attached to the first angle steel plate, and the bottom edge of the first outer-pasting channel steel is fixedly connected with the first angle steel plate;
two sides of the second outer-pasting channel steel are fixedly connected with two gap plates which are arranged by the second angle steel plate in a laminating manner, and the bottom side of the second outer-pasting channel steel is fixedly connected with the second angle steel plate.
As preferred scheme, the middle part of first angle steel board with the middle part of second angle steel board all is connected with the reinforcement channel-section steel, two sides of reinforcing channel-section steel respectively with adjacent gap board fixed connection.
Preferably, the first outer channel steel is fixedly connected with the gap plate, the first outer channel steel is fixedly connected with the first angle steel plate, the second outer channel steel is fixedly connected with the gap plate, and the second outer channel steel is fixedly connected with the second angle steel plate.
As a preferred scheme, all be equipped with the screw hole on first angle steel board, second angle steel board, first outer subsides channel-section steel, the bolt passes the screw hole.
Preferably, the gap plate arranged on the first angle steel plate is a first gap plate, and the gap plate arranged on the second angle steel plate is a second gap plate;
the first gap plate is perpendicular to the first angle steel plate, and the second gap plate is perpendicular to the second angle steel plate.
Preferably, the height of the first gap plate is greater than that of the side plate of the first externally attached channel steel, and the height of the second gap plate is greater than that of the side plate of the second externally attached channel steel.
Compared with the prior art, the invention has the beneficial effects that:
the angle steel reinforcing device for the power transmission tower comprises main material angle steel, wherein the main material angle steel comprises a first angle steel plate and a second angle steel plate which are arranged in a right angle; two side edges of the outer side face of the first angle steel plate and two side edges of the outer side face of the second angle steel plate are respectively provided with a gap plate in a laminating manner, a first externally-attached channel steel is arranged between the two gap plates of the first angle steel plate in a laminating manner, and a second externally-attached channel steel is arranged between the two gap plates of the second angle steel plate in a laminating manner; two side edges of the first external-pasting channel steel are respectively and fixedly connected with two gap plates which are arranged in a manner of being attached to the first angle steel plate, and the bottom edge of the first external-pasting channel steel is fixedly connected with the first angle steel plate; two sides of the second outer-pasting channel steel are fixedly connected with two gap plates which are arranged in a manner of being attached to the second angle steel plate respectively, and the bottom side of the second outer-pasting channel steel is fixedly connected with the second angle steel plate. The first externally-attached channel steel and the second externally-attached channel steel are respectively connected with a first angle steel plate and a second angle steel plate of the main material angle steel, and are connected with the edges of the first angle steel plate and the second angle steel plate through a gap plate to form a combined angle steel, so that the bending rigidity of the section is effectively improved, the stability of a component around a weak axis is enhanced, and the full section strength of the angle steel is fully utilized; the strength of the full section of the angle steel is fully utilized, and the collapse resistance of the power transmission tower can be effectively improved; only the first externally-attached channel steel and the second externally-attached channel steel are added for reinforcement, so that the wind shielding area is small, and the wind load of the tower body is prevented from being increased; the occupied space is small, the method can be suitable for structural parts with complex nodes and dense rod pieces, and the precision requirement of site construction is guaranteed.
The angle steel reinforcing device for the power transmission tower is convenient to construct, and can smoothly avoid nodes and transverse parting surfaces to achieve the purpose of continuous reinforcement, so that the reinforcement synergistic stress integrity is improved, and the collapse resistance of the power transmission tower can be effectively improved; the local instability area is reduced, and the stress in the non-local instability area is relatively uniform; and from the economic perspective, the reinforcing mode uses less steel, is economical and has the condition of large-scale application.
Drawings
Fig. 1 is a schematic structural diagram of an angle steel reinforcing device for a power transmission tower of the invention;
fig. 2 is a schematic structural view of the angle steel reinforcing device for the power transmission tower of the invention in a front view;
FIG. 3 is a side view of FIG. 2;
fig. 4 is a cross-sectional view of the angle steel reinforcing device for the power transmission tower of the invention.
In the figure, 1, filling plate; 2. reinforcing angle steel; 3. main material angle steel; 31. a first gusset plate; 32. A second angle steel plate; 4. the first outer pasting channel steel; 5. second externally attached channel steel; 6. a first gap plate; 7. a second gap plate; 8. and reinforcing the channel steel.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The preferred embodiment of the angle steel reinforcing device for the power transmission tower of the invention, specifically referring to fig. 1 to 4, comprises a main angle steel 3, wherein the main angle steel 3 comprises a first angle steel plate 31 and a second angle steel plate 32 which are arranged at a right angle; two side edges of the outer side surface of the first angle steel plate 31 and two side edges of the outer side surface of the second angle steel plate 32 are respectively provided with a gap plate in a laminating manner, a first externally-attached channel steel 4 is arranged between the two gap plates of the first angle steel plate 31 in a laminating manner, and a second externally-attached channel steel 5 is arranged between the two gap plates of the second angle steel plate 32 in a laminating manner; two side edges of the first outer-attached channel steel 4 are respectively and fixedly connected with two gap plates which are attached to the first angle steel plate 31, and the bottom edge of the first outer-attached channel steel 4 is fixedly connected with the first angle steel plate 31; two sides of the second outer-pasting channel steel 5 are fixedly connected with two gap plates which are arranged in a manner of being pasted with the second angle steel plate 32 respectively, and the bottom edge of the second outer-pasting channel steel 5 is fixedly connected with the second angle steel plate 32. The first externally-attached channel steel 4 and the second externally-attached channel steel 5 are respectively connected with a first angle steel plate 31 and a second angle steel plate 32 of the main material angle steel 3, and are connected with the edges of the first angle steel plate 31 and the second angle steel plate 32 through gap plates to form combined angle steel, so that the bending rigidity of the cross section is effectively improved, the stability of a component around a weak axis is enhanced, and the full-section strength of the main material angle steel 3 is fully utilized; the collapse resistance of the power transmission tower is effectively improved; only the first externally-attached channel steel 4 and the second externally-attached channel steel 5 are added for reinforcement, so that the wind shielding area is small, and the wind load of the tower body is prevented from being increased; the occupied space is small, the method can be suitable for structural parts with complex nodes and dense rod pieces, and the precision requirement of site construction is guaranteed.
Further, all through bolt fixed connection between first outer channel-section steel 4 and the clearance plate, between first outer channel-section steel 4 and the first angle steel plate 31, between the outer channel-section steel 5 of pasting of second and the clearance plate and between the outer channel-section steel 5 of pasting of second and the second angle steel plate 32. The bolt connection is convenient and the connection is fastened to form the combined angle steel by the first externally attached channel steel 4, the second externally attached channel steel 5 and the main material angle steel 3. Specifically, all be equipped with the screw hole on first angle steel plate 31, second angle steel plate 32, first outer channel-section steel 4, the first outer channel-section steel 5 of pasting, the bolt passes the screw hole.
The gap plate arranged on the first angle steel plate 31 is a first gap plate 6, and the gap plate arranged on the second angle steel plate 32 is a second gap plate 7; the two first gap plates 6 are arranged parallel to and at the same time perpendicular to the first gusset plate 31, and the two second gap plates 7 are arranged horizontally and at the same time perpendicular to the second gusset plate 31.
Further, in the embodiment of this application, the height of the curb plate of first clearance board 6 is greater than first outer subsides channel-section steel 4, and the height of the curb plate of second clearance board 7 is greater than second outer subsides channel-section steel 5 increases whole reinforcing apparatus's stability.
Wherein, the middle part of first angle steel board 31 with the middle part of second angle steel 32 board all is connected with consolidates channel-section steel 8, consolidates two sides of channel-section steel 8 respectively with adjacent clearance board fixed connection to further increase main material angle steel 3's intensity.
The angle steel reinforcing device for the power transmission tower is convenient to construct in a reinforcing mode, and can smoothly avoid nodes and diaphragm surfaces to achieve the purpose of continuous reinforcement, so that the reinforcement cooperative stress integrity is improved, and the collapse resistance of the power transmission tower can be effectively improved; and from the economic perspective, the reinforcing mode uses less steel, is economical and has the condition of large-scale application.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The angle steel reinforcing device for the power transmission tower is characterized by comprising main material angle steel, wherein the main material angle steel comprises a first angle steel plate and a second angle steel plate which are arranged in a right angle;
the two middle edges of the outer side surface of the first angle steel plate and the two middle edges of the outer side surface of the second angle steel plate are respectively provided with a gap plate in a fitting manner, a first externally-attached channel steel is arranged between the two gap plates of the first angle steel plate in a fitting manner, and a second externally-attached channel steel is arranged between the two gap plates of the second angle steel plate in a fitting manner;
two side edges of the first external attachment channel steel are respectively and fixedly connected with two gap plates which are attached to the first angle steel plate, and the bottom edge of the first external attachment channel steel is fixedly connected with the first angle steel plate;
two sides of the second outer-pasting channel steel are fixedly connected with two gap plates which are arranged by the second angle steel plate in a laminating manner, and the bottom side of the second outer-pasting channel steel is fixedly connected with the second angle steel plate.
2. The angle steel reinforcing device for a power transmission tower of claim 1, wherein a reinforcing channel steel is connected to each of the middle portions of the first angle steel plate and the second angle steel plate, and two side edges of the reinforcing channel steel are fixedly connected to adjacent gap plates respectively.
3. The angle iron reinforcing device for a transmission tower of claim 1, wherein the first outer channel and the gap plate, the first outer channel and the first angle steel plate, the second outer channel and the gap plate, and the second outer channel and the second angle steel plate are fixedly connected by bolts.
4. The angle iron reinforcing device for a transmission tower of claim 3, wherein the first angle steel plate, the second angle steel plate, the first outer channel steel and the first outer channel steel are provided with threaded holes, and the bolts pass through the threaded holes.
5. The angle iron reinforcement device for a power transmission tower of claim 1, wherein the gap plate provided on the first angle steel plate is a first gap plate, and the gap plate provided on the second angle steel plate is a second gap plate;
the first gap plate is perpendicular to the first angle steel plate, and the second gap plate is perpendicular to the second angle steel plate.
6. The angle iron reinforcement device for a power transmission tower of claim 5, wherein the height of the first gap plate is greater than the height of the side plate of the first exterior channel, and the height of the second gap plate is greater than the height of the side plate of the second exterior channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210383992.5A CN115126327B (en) | 2022-04-13 | 2022-04-13 | Angle steel reinforcing device for power transmission tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210383992.5A CN115126327B (en) | 2022-04-13 | 2022-04-13 | Angle steel reinforcing device for power transmission tower |
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| Publication Number | Publication Date |
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| CN115126327A true CN115126327A (en) | 2022-09-30 |
| CN115126327B CN115126327B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210383992.5A Active CN115126327B (en) | 2022-04-13 | 2022-04-13 | Angle steel reinforcing device for power transmission tower |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU9900161D0 (en) * | 1998-02-18 | 1999-03-29 | Starkstrom Anlagen Gmbh | Process for reconstruction of steel structures connected |
| JP2001003601A (en) * | 1999-06-25 | 2001-01-09 | Chubu Electric Power Co Inc | Steel tower with cover |
| JP2002147064A (en) * | 2000-11-16 | 2002-05-22 | Hokkaido Electric Power Co Inc:The | Twist force reinforcing planar truss structure and planar rigid-frame structure in temporary steel tower |
| US20040134161A1 (en) * | 2002-10-17 | 2004-07-15 | Lockwood James D. | System and method for strengthening towers |
| WO2008143275A1 (en) * | 2007-05-24 | 2008-11-27 | Keigo Ishii | Reinforcing hardware for steelwork open-section structural member |
| CN202164830U (en) * | 2011-07-21 | 2012-03-14 | 天津求实电力规划设计有限公司 | Reinforcing device of transmission iron tower |
| CN204040513U (en) * | 2014-09-04 | 2014-12-24 | 武汉武大巨成结构股份有限公司 | The steel bonding of a kind of local is with the Steel Compression rod member reinforced |
| CN108798057A (en) * | 2018-06-07 | 2018-11-13 | 广东省输变电工程有限公司 | Cross reinforcing device for power transmission tower |
| CN210067517U (en) * | 2019-04-28 | 2020-02-14 | 武汉理工大学 | Non-punching reinforcing device for angle steel of main material of transmission tower |
| CN215803422U (en) * | 2021-06-11 | 2022-02-11 | 中国电力工程顾问集团中南电力设计院有限公司 | Cross-shaped cross-section fixture type reinforcing device for main material of single angle steel |
-
2022
- 2022-04-13 CN CN202210383992.5A patent/CN115126327B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU9900161D0 (en) * | 1998-02-18 | 1999-03-29 | Starkstrom Anlagen Gmbh | Process for reconstruction of steel structures connected |
| JP2001003601A (en) * | 1999-06-25 | 2001-01-09 | Chubu Electric Power Co Inc | Steel tower with cover |
| JP2002147064A (en) * | 2000-11-16 | 2002-05-22 | Hokkaido Electric Power Co Inc:The | Twist force reinforcing planar truss structure and planar rigid-frame structure in temporary steel tower |
| US20040134161A1 (en) * | 2002-10-17 | 2004-07-15 | Lockwood James D. | System and method for strengthening towers |
| WO2008143275A1 (en) * | 2007-05-24 | 2008-11-27 | Keigo Ishii | Reinforcing hardware for steelwork open-section structural member |
| CN202164830U (en) * | 2011-07-21 | 2012-03-14 | 天津求实电力规划设计有限公司 | Reinforcing device of transmission iron tower |
| CN204040513U (en) * | 2014-09-04 | 2014-12-24 | 武汉武大巨成结构股份有限公司 | The steel bonding of a kind of local is with the Steel Compression rod member reinforced |
| CN108798057A (en) * | 2018-06-07 | 2018-11-13 | 广东省输变电工程有限公司 | Cross reinforcing device for power transmission tower |
| CN210067517U (en) * | 2019-04-28 | 2020-02-14 | 武汉理工大学 | Non-punching reinforcing device for angle steel of main material of transmission tower |
| CN215803422U (en) * | 2021-06-11 | 2022-02-11 | 中国电力工程顾问集团中南电力设计院有限公司 | Cross-shaped cross-section fixture type reinforcing device for main material of single angle steel |
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| CN115126327B (en) | 2023-10-20 |
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