CN115126327B - Angle steel reinforcing device for power transmission tower - Google Patents

Angle steel reinforcing device for power transmission tower Download PDF

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Publication number
CN115126327B
CN115126327B CN202210383992.5A CN202210383992A CN115126327B CN 115126327 B CN115126327 B CN 115126327B CN 202210383992 A CN202210383992 A CN 202210383992A CN 115126327 B CN115126327 B CN 115126327B
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angle steel
plate
angle
steel plate
steel
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CN115126327A (en
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黎景辉
章东鸿
袁杨
冯钰虎
孙清
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02Structures made of specified materials
    • E04H12/08Structures made of specified materials of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The application discloses a power transmission tower angle steel reinforcing device, which comprises main angle steel, wherein the main angle steel comprises a first angle steel plate and a second angle steel plate which are arranged at right angles; the two side edges of the outer side surface of the first angle steel plate and the two side edges of the outer side surface of the second angle steel plate are respectively provided with clearance plates in a laminating mode, a first externally-attached channel steel is arranged between the two clearance plates of the first angle steel plate in a laminating mode, and a second externally-attached channel steel is arranged between the two clearance plates of the second angle steel plate in a laminating mode; two side edges of the first external channel steel are fixedly connected with two gap plates connected with the first angle steel plate respectively, and the bottom edge of the first external channel steel is fixedly connected with the first angle steel plate; two sides of the second external channel steel are fixedly connected with two gap plates connected with the second angle steel plates respectively, and the bottom edge of the second external channel steel is fixedly connected with the second angle steel plates. The angle steel reinforcing device for the power transmission tower can effectively improve the bending rigidity of the section and the collapse resistance of the power transmission tower.

Description

Angle steel reinforcing device for power transmission tower
Technical Field
The application relates to the technical field of transmission line structures, in particular to a reinforcing device for angle steel of a transmission tower.
Background
The power transmission line system mainly plays a role in the task of transmitting and distributing electric energy, plays an important role in the energy distribution strategy of China, and the power transmission tower is a main bearing structure in the power transmission line and belongs to a wind-sensitive structure. The tropical cyclone disaster in coastal areas is prominent, and the method has the remarkable characteristics of high occurrence times, high strength, wide influence range, strong burstiness and the like. The power transmission tower belonging to the wind sensitive structure is easy to collapse under the action of the tropical cyclone, and once the power transmission tower collapses, the power transmission tower can lead to line paralysis, so that a large-area power failure phenomenon occurs, and serious economic loss and social hazard are caused. Because the welding technology has higher precision requirement in the current research method, in the field reinforcement engineering of the power transmission tower in the state of the belt point, the conditions that the angle steel needs to be reinforced at a higher height and cannot be welded, the initial stress is larger, and the like, so that a good reinforcement effect cannot be obtained may exist.
The main angle steel component and the oblique angle steel component in the diagonal steel tower are reinforced to improve the stable bearing capacity of the diagonal 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 main material angle steel 3 is reinforced by a filling plate 1 and a reinforcing angle steel 2, the reinforcing angle steel 2 and the reinforced main material angle steel 3 are of the same specification, and bolt holes are formed in the reinforcing angle steel 2 and the main material angle steel 3; the filler plate 1 is of a long plate type structure, is positioned between the reinforcing angle steel 2 and the main material angle steel 3, the reinforcing angle steel 2 is positioned on one side of one side face of the filler plate 1, and the main material angle steel 3 is positioned on the other side of the other side face of the filler plate 1, so that the reinforcing angle steel 2 and the main material angle steel 3 are in a cross double-spliced angle steel combined section form and are fixedly connected with the filler plate 1 through bolts respectively, as shown in fig. 1. The reinforcing device has the problems of weak integrity, weak torsional rigidity and uneven stress due to the double-limb angle steel formed by reinforcement; in addition, the wind shielding area is increased, and the wind load of the tower body is increased to a certain extent; the reinforced angle steel occupies a large space, and particularly in the structural parts with complex nodes and dense rod pieces, the on-site construction precision can not ensure the installation requirement.
Disclosure of Invention
The application aims to overcome the defects of the prior art and provides a reinforcing device for angle steel of a power transmission tower.
In order to achieve the above purpose, the application provides a power transmission tower angle steel reinforcing device, which comprises main angle steel, wherein the main angle steel comprises a first angle steel plate and a second angle steel plate which are arranged at right angles;
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 laminating mode, a first external channel steel is arranged between the two gap plates of the first angle steel plate in a laminating mode, and a second external channel steel is arranged between the two gap plates of the second angle steel plate in a laminating mode;
two side edges of the first externally attached 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 externally attached channel steel is fixedly connected with the first angle steel plate;
two sides of the second external channel steel are fixedly connected with two clearance plates which are arranged in a laminating mode of the second angle steel plates respectively, and the bottom edge of the second external channel steel is fixedly connected with the second angle steel plates.
As a preferable scheme, the middle part of the first angle steel plate and the middle part of the second angle steel plate are both connected with reinforcing channel steel, and two side edges of the reinforcing channel steel are respectively fixedly connected with adjacent clearance plates.
As a preferable scheme, the first externally attached channel steel is fixedly connected with the gap plate, the first externally attached channel steel is fixedly connected with the first angle steel plate, the second externally attached channel steel is fixedly connected with the gap plate, and the second externally attached channel steel is fixedly connected with the second angle steel plate through bolts.
As the preferable scheme, all be equipped with the screw hole on first angle steel sheet second angle steel sheet, first outer subsides channel-section steel, the second 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 clearance plate is perpendicular to the first angle steel plate, and the second clearance plate is perpendicular to the second angle steel plate.
Preferably, the height of the first gap plate is greater than the height of the side plate of the first external channel steel, and the height of the second gap plate is greater than the height of the side plate of the second external channel steel.
Compared with the prior art, the application has the beneficial effects that:
the angle steel reinforcing device for the power transmission tower comprises main angle steel, wherein the main angle steel comprises a first angle steel plate and a second angle steel plate which are arranged at right angles; the two side edges of the outer side surface of the first angle steel plate and the two side edges of the outer side surface of the second angle steel plate are respectively provided with clearance plates in a laminating mode, a first external-pasting channel steel is arranged between the two clearance plates of the first angle steel plate in a laminating mode, and a second external-pasting channel steel is arranged between the two clearance plates of the second angle steel plate in a laminating mode; two side edges of the first externally attached channel steel are fixedly connected with two gap plates which are attached to the first angle steel plate respectively, and the bottom edge of the first externally attached channel steel is fixedly connected with the first angle steel plate; two sides of the second external channel steel are respectively fixedly connected with two clearance plates which are attached to the second angle steel plate, and the bottom edge of the second external channel steel is fixedly connected with the second angle steel plate. The first external channel steel and the second external channel steel are respectively connected with a first angle steel plate and a second angle steel plate of the main angle steel, and are connected with the edges of the first angle steel plate and the second angle steel plate through gap plates to form combined angle steel, so that the bending rigidity of the section is effectively improved, the stability of the member around a weak axis is enhanced, and the full section strength of the angle steel is fully utilized; the full section strength 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, the wind shielding area is not large, and the wind load of the tower body is prevented from being increased; the occupied space is not large, and the method can be suitable for the structural parts with complex nodes and dense rod pieces, and ensures the precision requirement of site construction.
The angle steel reinforcing device for the power transmission tower is convenient to construct, can smoothly avoid joints and transverse planes, and achieves the purpose of continuous reinforcement, thereby improving the reinforcing cooperative stress integrity and effectively improving the collapse resistance of the power transmission tower; the local instability area is reduced, and the stress in the non-local instability area is relatively uniform; from the economical point of view, the reinforcing mode uses less steel, is economical and economical, and has the condition of large-scale application.
Drawings
FIG. 1 is a schematic structural view of a steel angle reinforcing apparatus for a power transmission tower of the present application;
FIG. 2 is a schematic diagram of a front view structure of the angle steel reinforcing device of the power transmission tower;
FIG. 3 is a side view of FIG. 2;
fig. 4 is a cross-sectional view of the angle steel reinforcing apparatus for the power transmission tower of the present application.
In the figure, 1, a filling plate; 2. reinforcing angle steel; 3. angle steel of main material; 31. a first angle steel plate; 32. a second angle steel plate; 4. the first external channel steel is pasted; 5. a second external-pasting channel steel; 6. a first gap plate; 7. a second gap plate; 8. and reinforcing the channel steel.
Detailed Description
The following describes in further detail the embodiments of the present application with reference to the drawings and examples. The following examples are illustrative of the application and are not intended to limit the scope of the application.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the application.
The preferred embodiment of the angle steel reinforcing device for the power transmission tower, disclosed by the application, particularly 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 right angles; the two side edges of the outer side surface of the first angle steel plate 31 and the two side edges of the outer side surface of the second angle steel plate 32 are respectively provided with clearance plates in a laminating mode, a first externally-attached channel steel 4 is arranged between the two clearance plates of the first angle steel plate 31 in a laminating mode, and a second externally-attached channel steel 5 is arranged between the two clearance plates of the second angle steel plate 32 in a laminating mode; two side edges of the first externally 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 externally attached channel steel 4 is fixedly connected with the first angle steel plate 31; two sides of the second external channel steel 5 are respectively fixedly connected with two clearance plates which are attached to the second angle steel plate 32, and the bottom edge of the second external channel steel 5 is fixedly connected with the second angle steel plate 32. The first external channel steel 4 and the second external channel steel 5 are respectively connected with the first angle steel plate 31 and the second angle steel plate 32 of the main angle steel 3, and are connected with the edges of the first angle steel plate 31 and the second angle steel plate 32 through clearance plates to form combined angle steel, so that the bending rigidity of the section is effectively improved, the stability of the member around a weak axis is enhanced, and the full section strength of the main angle steel 3 is fully utilized; the collapse resistance of the power transmission tower is effectively improved; only the first external channel steel 4 and the second external channel steel 5 are added for reinforcement, so that the wind shielding area is not large, and the wind load of the tower body is prevented from being increased; the occupied space is not large, and the method can be suitable for the structural parts with complex nodes and dense rod pieces, and ensures the precision requirement of site construction.
Further, the first externally attached channel steel 4 and the gap plate, the first externally attached channel steel 4 and the first angle steel plate 31, the second externally attached channel steel 5 and the gap plate and the second externally attached channel steel 5 and the second angle steel plate 32 are fixedly connected through bolts. The bolt connection is convenient and the connection is tight, so that the first externally attached channel steel 4, the second externally attached channel steel 5 and the main angle steel 3 form combined angle steel. Specifically, the first angle steel plate 31, the second angle steel plate 32, the first external channel steel 4 and the second external channel steel 5 are respectively provided with a threaded hole, and bolts penetrate through the threaded holes.
Wherein, 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 and simultaneously perpendicular to the first angle steel plates 31, and the two second gap plates 7 are arranged horizontally and simultaneously perpendicular to the second angle steel plates 32.
Further, in the embodiment of the present application, the height of the first gap plate 6 is greater than the height of the side plate of the first external channel steel 4, and the height of the second gap plate 7 is greater than the height of the side plate of the second external channel steel 5, so as to increase the stability of the whole reinforcing apparatus.
Wherein, the middle part of first angle steel sheet 31 with the middle part of second angle steel sheet 32 all is connected with consolidates channel-section steel 8, consolidates the both sides limit of channel-section steel 8 respectively with adjacent clearance board fixed connection to further increase the intensity of main material angle steel 3.
The angle steel reinforcing device for the power transmission tower is convenient to construct in a reinforcing mode, can smoothly avoid joints and transverse planes, and achieves the purpose of continuous reinforcement, so that the reinforcing cooperative stress integrity is improved, and the collapse resistance of the power transmission tower can be effectively improved; from the economical point of view, the reinforcing mode uses less steel, is economical and economical, and has the condition of large-scale application.
The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present application, and these modifications and substitutions should also be considered as being within the scope of the present application.

Claims (6)

1. The angle steel reinforcing device for the power transmission tower is characterized by comprising main angle steel, wherein the main angle steel comprises a first angle steel plate and a second angle steel plate which are arranged at right angles;
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 laminating mode, a first external channel steel is arranged between the two gap plates of the first angle steel plate in a laminating mode, and a second external channel steel is arranged between the two gap plates of the second angle steel plate in a laminating mode;
two side edges of the first externally attached 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 externally attached channel steel is fixedly connected with the first angle steel plate;
two sides of the second external channel steel are fixedly connected with two clearance plates which are arranged in a laminating mode of the second angle steel plates respectively, and the bottom edge of the second external channel steel is fixedly connected with the second angle steel plates.
2. The steel pylon angle bar reinforcement device of claim 1, wherein the middle of the first angle steel plate and the middle of the second angle steel plate are both connected with reinforcement channel steel, and two sides of the reinforcement channel steel are respectively and fixedly connected with adjacent clearance bars.
3. The pylon angle steel reinforcement apparatus of claim 1, wherein the first attachment channel and the gap plate, the first attachment channel and the first angle plate, the second attachment channel and the gap plate, and the second attachment channel and the second angle plate are fixedly connected by bolts.
4. A pylon angle steel reinforcement apparatus as defined in claim 3, wherein the first angle steel plate, the second angle steel plate, the first exterior channel steel, and the first exterior channel steel are each provided with threaded holes through which the bolts pass.
5. The pylon angle steel reinforcement apparatus of claim 1, wherein the gap plate provided on the first angle plate is a first gap plate and the gap plate provided on the second angle plate is a second gap plate;
the first clearance plate is perpendicular to the first angle steel plate, and the second clearance plate is perpendicular to the second angle steel plate.
6. The pylon angle bar reinforcement apparatus of claim 5, wherein the first clearance bar has a height greater than the side plates of the first exterior channel section and the second clearance bar has a height greater than the side plates of the second exterior channel section.
CN202210383992.5A 2022-04-13 2022-04-13 Angle steel reinforcing device for power transmission tower Active CN115126327B (en)

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CN202210383992.5A CN115126327B (en) 2022-04-13 2022-04-13 Angle steel reinforcing device for power transmission tower

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CN202210383992.5A CN115126327B (en) 2022-04-13 2022-04-13 Angle steel reinforcing device for power transmission tower

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CN115126327B true CN115126327B (en) 2023-10-20

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Citations (9)

* Cited by examiner, † Cited by third party
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
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040134161A1 (en) * 2002-10-17 2004-07-15 Lockwood James D. System and method for strengthening towers

Patent Citations (9)

* Cited by examiner, † Cited by third party
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
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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