CN115126327B - Angle steel reinforcing device for power transmission tower - Google Patents
Angle steel reinforcing device for power transmission tower Download PDFInfo
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- 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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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 228
- 239000010959 steel Substances 0.000 title claims abstract description 228
- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 title abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 20
- 238000005452 bending Methods 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract 3
- 239000000945 filler Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
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- 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
Description
技术领域Technical field
本发明涉及输电线路结构技术领域，特别是涉及一种输电铁塔角钢加固装置。The invention relates to the technical field of transmission line structures, and in particular to a transmission tower angle steel reinforcement device.
背景技术Background technique
输电线路系统主要担负着输送和分配电能的任务，在我国能源分配战略中具有重要作用，输电塔是输电线路中的主要承力结构，属于一类风敏感性结构。沿海地区热带气旋灾害突出，具有发生次数多、强度大、影响范围广、突发性强等显著特点。属于风敏感结构的输电塔在热带气旋的作用下容易出现倒塌现象，而输电塔一旦发生倒塌，往往会导致线路瘫痪，致使大面积停电现象发生，造成严重的经济损失和社会危害。由于目前研究方法中对于焊接技术精度要求较高，在对带点状态下输电塔的现场加固工程中，可能存在需加固角钢高度较高无法进行焊接以及初始应力较大等情况而无法获得良好的加固效果。The transmission line system is mainly responsible for the task of transmitting and distributing electric energy, and plays an important role in my country's energy distribution strategy. The transmission tower is the main load-bearing structure in the transmission line and belongs to a type of wind-sensitive structure. Tropical cyclone disasters are prominent in coastal areas, with significant characteristics such as frequent occurrence, high intensity, wide range of influence, and strong suddenness. Transmission towers, which are wind-sensitive structures, are prone to collapse under the action of tropical cyclones. Once a transmission tower collapses, it will often lead to line paralysis, leading to large-scale power outages, causing serious economic losses and social harm. Due to the high precision requirements for welding technology in the current research method, in the on-site reinforcement project of the transmission tower in the point state, there may be situations such as the height of the reinforced angle steel being too high to be welded and the initial stress being large, making it impossible to obtain good results. Reinforcement effect.
对角钢塔中的主、斜材角钢构件进行加固以提高其稳定承载力，从而提高整塔的抗风和抗冰等方面的承载力，能有效避免整塔的倒塌。Reinforce the main and diagonal angle steel components in the angle steel tower to improve its stable bearing capacity, thereby improving the wind and ice resistance bearing capacity of the entire tower, which can effectively prevent the collapse of the entire tower.
现有技术中采用填板1和加固角钢2加固主材角钢3，加固角钢2与被加固的主材角钢3为相同规格，且加固角钢2和主材角钢3上均开具螺栓孔；填板1为长板型构造，位于加固角钢2和主材角钢3之间，加固角钢2位于填板1一侧面的一边，主材角钢3则位于填板1另一侧面的另一边，由此加固角钢2和主材角钢3呈十字双拼角钢组合截面形式，并分别与填板1通过螺栓固定连接，如图1所示。该种加固装置由于加固形成的双肢角钢，整体性不强、抗扭刚度较弱，存在受力不均匀的问题；另外，增大了挡风面积，一定程度上加大了塔身风荷载；加固角钢占用较大空间，尤其在节点复杂、杆件密集的结构部位，现场施工的精度无法保证安装的要求。In the prior art, filler plate 1 and reinforced angle steel 2 are used to reinforce the main material angle steel 3. The reinforced angle steel 2 and the reinforced main material angle steel 3 are of the same specification, and bolt holes are opened in both the reinforced angle steel 2 and the main material angle steel 3; the filler plate 1 is a long plate structure, located between the reinforcement angle steel 2 and the main material angle steel 3. The reinforcement angle steel 2 is located on one side of the filler plate 1, and the main material angle steel 3 is located on the other side of the other side of the filler plate 1, thus reinforcing The angle steel 2 and the main material angle steel 3 are in the form of a cross double angle steel combined section, and are fixedly connected to the filler plate 1 through bolts, as shown in Figure 1. Due to the double-limb angle steel formed by the reinforcement, this type of reinforcement device has weak integrity and weak torsional rigidity, and has the problem of uneven stress; in addition, it increases the windshield area and increases the wind load on the tower to a certain extent. ; Reinforced angle steel takes up a lot of space, especially in structural parts with complex nodes and dense rods. The accuracy of on-site construction cannot guarantee the installation requirements.
发明内容Contents of the invention
本发明的目的是克服现有技术的不足，提供一种输电铁塔角钢加固装置。The purpose of the present invention is to overcome the shortcomings of the prior art and provide an angle steel reinforcement device for a transmission tower.
为了实现上述目的，本发明提供一种输电铁塔角钢加固装置，包括主材角钢，所述主材角钢包括成直角布置的第一角钢板和第二角钢板；In order to achieve the above object, the present invention provides a transmission tower angle steel reinforcement device, which includes a main material angle steel, and the main material angle steel includes a first angle steel plate and a second angle steel plate arranged at right angles;
所述第一角钢板的外侧面的两侧中部边缘和所述第二角钢板的外侧面的两侧中部边缘均贴合设置有间隙板，所述第一角钢板的两个间隙板之间贴合设有第一外贴槽钢，所述第二角钢板的两个间隙板之间贴合设有第二外贴槽钢；The middle edges on both sides of the outer side of the first angle steel plate and the middle edges on both sides of the outer side of the second angle steel plate are fitted with gap plates, between the two gap plates of the first angle steel plate A first externally attached channel steel is provided, and a second externally attached channel steel is provided between the two gap plates of the second angle steel plate;
所述第一外贴槽钢的两个侧边分别固定连接与所述第一角钢板贴合设置的两个间隙板，所述第一外贴槽钢的底边固定连接第一角钢板；The two sides of the first externally attached channel steel are respectively fixedly connected to the two gap plates arranged closely with the first angle steel plate, and the bottom edge of the first externally attached channel steel is fixedly connected to the first angle steel plate;
所述第二外贴槽钢的两个侧边分别固定连接与所述第二角钢板贴合设置的两个间隙板，所述第二外贴槽钢的底边固定连接第二角钢板。The two sides of the second externally attached channel steel are respectively fixedly connected to the two gap plates arranged closely with the second angle steel plate, and the bottom edge of the second externally attached channel steel is fixedly connected to the second angle steel plate.
作为优选方案，所述第一角钢板的中部和所述第二角钢板的中部均连接有加固槽钢，所述加固槽钢的两个侧边分别与相邻的间隙板固定连接。As a preferred solution, the middle portion of the first angle steel plate and the middle portion of the second angle steel plate are both connected to reinforcing channel steel, and two sides of the reinforcing channel steel are fixedly connected to adjacent gap plates respectively.
作为优选方案，所述第一外贴槽钢与所述间隙板之间、所述第一外贴槽钢与所述第一角钢板之间、所述第二外贴槽钢与所述间隙板之间以及所述第二外贴槽钢与所述第二角钢板之间均通过螺栓固定连接。As a preferred solution, between the first externally attached channel steel and the gap plate, between the first externally attached channel steel and the first angle steel plate, between the second externally attached channel steel and the gap The plates and the second external channel steel and the second angle steel plate are all fixedly connected by bolts.
作为优选方案，所述第一角钢板、所述第二角钢板、第一外贴槽钢、所述第二外贴槽钢上均设有螺纹孔，所述螺栓穿过螺纹孔。As a preferred solution, the first angle steel plate, the second angle steel plate, the first externally attached channel steel, and the second externally attached channel steel are all provided with threaded holes, and the bolts pass through the threaded holes.
作为优选方案，所述第一角钢板上设置的所述间隙板为第一间隙板，所述第二角钢板上设置的所述间隙板为第二间隙板；As a preferred solution, 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;
所述第一间隙板与所述第一角钢板垂直设置，所述第二间隙板与所述第二角钢板垂直布置。The first gap plate is arranged perpendicularly to the first angle steel plate, and the second gap plate is perpendicularly arranged to the second angle steel plate.
作为优选方案，所述第一间隙板的高度大于所述第一外贴槽钢的侧板的高度，所述第二间隙板的高度大于所述第二外贴槽钢的侧板的高度。As a preferred solution, the height of the first gap plate is greater than the height of the side plate of the first externally attached channel steel, and the height of the second gap plate is greater than the height of the side plate of the second externally attached channel steel.
与现有技术相比，本发明的有益效果在于：Compared with the prior art, the beneficial effects of the present invention are:
本发明的输电铁塔角钢加固装置包括主材角钢，主材角钢包括成直角布置的第一角钢板和第二角钢板；第一角钢板的外侧面的两侧边缘和第二角钢板的外侧面的两侧边缘均贴合设置有间隙板，第一角钢板的两个间隙板之间贴合设有第一外贴槽钢，第二角钢板的两个间隙板之间贴合设有第二外贴槽钢；第一外贴槽钢的两个侧边分别固定连接与第一角钢板贴合设置的两个间隙板，第一外贴槽钢的底边固定连接第一角钢板；第二外贴槽钢的两个侧边分别固定连接与第二角钢板贴合设置的两个间隙板，第二外贴槽钢的底边固定连接第二角钢板。将第一外贴槽钢和第二外贴槽钢分别连接主材角钢的第一角钢板和第二角钢板，并且通过间隙板连接在第一角钢板和第二角钢板的边缘以形成组合角钢，从而有效提高截面的抗弯刚度，加强了构件绕弱轴的稳定性，使角钢全截面强度充分利用；使角钢全截面强度充分利用，能够有效提高输电塔的抗倒塌性能；仅仅增加了第一外贴槽钢和第二外贴槽钢进行加固，挡风面积不大，避免加大塔身风荷载；占用空间不大，能够适用于节点复杂、杆件密集的结构部位，保证现场施工的精度要求。The transmission tower angle steel reinforcement device of the present invention includes a main material angle steel, and the main material angle steel includes a first angle steel plate and a second angle steel plate arranged at right angles; both sides of the outer side of the first angle steel plate and the outer side of the second angle steel plate Both sides of the edge are provided with gap plates, a first external channel steel is installed between the two gap plates of the first angle steel plate, and a third external channel steel is installed between the two gap plates of the second angle steel plate. two externally attached channel steels; the two sides of the first externally attached channel steel are respectively fixedly connected to the two gap plates provided in conjunction with the first angle steel plate, and the bottom edge of the first externally attached channel steel is fixedly connected to the first angle steel plate; The two sides of the second externally attached channel steel are respectively fixedly connected to the two gap plates arranged in close contact with the second angle steel plate, and the bottom edge of the second externally attached channel steel is fixedly connected to the second angle steel plate. The first externally attached channel steel and the second externally attached channel steel are respectively connected to the first angle steel plate and the second angle steel plate of the main material angle steel, and are connected to the edges of the first angle steel plate and the second angle steel plate through the gap plate to form a combination Angle steel, thereby effectively improving the bending stiffness of the section, strengthening the stability of the component around the weak axis, and making full use of the strength of the full section of the angle steel; fully utilizing the strength of the full section of the angle steel can effectively improve the anti-collapse performance of the transmission tower; it only increases The first externally attached channel steel and the second externally attached channel steel are reinforced with a small windshield area to avoid increasing the wind load on the tower body; it does not take up much space and can be applied to structural parts with complex nodes and dense rods to ensure on-site construction. accuracy requirements.
本发明的输电铁塔角钢加固装置施工方便，并且可以顺利避开节点和横隔面，达到连续加固的目的，从而提高加固协同受力整体性，能够有效提高输电塔的抗倒塌性能；减小了局部失稳的区域且在非局部失稳区域的受力比较均匀；且从经济角度看，本加固方式所用钢材较少，经济节约，具备大规模应用的条件。The angle steel reinforcement device of the transmission tower of the present invention is easy to construct and can smoothly avoid nodes and transverse partitions to achieve the purpose of continuous reinforcement, thereby improving the integrity of the coordinated stress-bearing integrity of the reinforcement and effectively improving the anti-collapse performance of the transmission tower; reducing The stress in the area of local instability and in the area of non-local instability is relatively uniform; and from an economic point of view, this reinforcement method uses less steel, is economical and economical, and has the conditions for large-scale application.
附图说明Description of the drawings
图1是本发明输电铁塔角钢加固装置的结构示意图；Figure 1 is a schematic structural diagram of the transmission tower angle steel reinforcement device of the present invention;
图2是本发明输电铁塔角钢加固装置的主视结构示意图；Figure 2 is a schematic front structural view of the transmission tower angle steel reinforcement device of the present invention;
图3是图2的侧视图；Figure 3 is a side view of Figure 2;
图4是本发明输电铁塔角钢加固装置的截面视图。Figure 4 is a cross-sectional view of the angle steel reinforcement device of the transmission tower according to the present invention.
图中，1、填板；2、加固角钢；3、主材角钢；31、第一角钢板；32、第二角钢板；4、第一外贴槽钢；5、第二外贴槽钢；6、第一间隙板；7、第二间隙板；8、加固槽钢。In the picture, 1. Filling plate; 2. Reinforcement angle steel; 3. Main material angle steel; 31. First angle steel plate; 32. Second angle steel plate; 4. First externally attached channel steel; 5. Second externally attached channel steel ; 6. First gap plate; 7. Second gap plate; 8. Reinforced channel steel.
具体实施方式Detailed ways
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。Specific implementations of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the invention but are not intended to limit the scope of the invention.
在本发明的描述中，需要理解的是，术语“上”、“下”、 “左”、“右”、“顶”、“底”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。应当理解的是，本发明中采用术语“第一”、“第二”等来描述各种信息，但这些信息不应限于这些术语，这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本发明范围的情况下，“第一”信息也可以被称为“第二”信息，类似的，“第二”信息也可以被称为“第一”信息。In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on those shown in the accompanying drawings. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, "first" information may also be called "second" information, and similarly, "second" information may also be called "first" information.
本发明的输电铁塔角钢加固装置的优选实施例，具体参阅图1到图4所示，包括主材角钢3，主材角钢3包括成直角布置的第一角钢板31和第二角钢板32；第一角钢板31的外侧面的两侧边缘和第二角钢板32的外侧面的两侧边缘均贴合设置有间隙板，第一角钢板31的两个间隙板之间贴合设有第一外贴槽钢4，第二角钢板32的两个间隙板之间贴合设有第二外贴槽钢5；第一外贴槽钢4的两个侧边分别固定连接与第一角钢板31贴合设置的两个间隙板，第一外贴槽钢4的底边固定连接第一角钢板31；第二外贴槽钢5的两个侧边分别固定连接与第二角钢板32贴合设置的两个间隙板，第二外贴槽钢5的底边固定连接第二角钢板32。将第一外贴槽钢4和第二外贴槽钢5分别连接主材角钢3的第一角钢板31和第二角钢板32，并且通过间隙板连接在第一角钢板31和第二角钢板32的边缘以形成组合角钢，从而有效提高截面的抗弯刚度，加强了构件绕弱轴的稳定性，使主材角钢3全截面强度充分利用；有效提高输电塔的抗倒塌性能；仅仅增加了第一外贴槽钢4和第二外贴槽钢5进行加固，挡风面积不大，避免加大塔身风荷载；占用空间不大，能够适用于节点复杂、杆件密集的结构部位，保证现场施工的精度要求。The preferred embodiment of the transmission tower angle steel reinforcement device of the present invention, specifically shown in Figures 1 to 4, includes a main material angle steel 3, and the main material angle steel 3 includes a first angle steel plate 31 and a second angle steel plate 32 arranged at right angles; Both sides of the outer side of the first angle steel plate 31 and both sides of the outer side of the second angle steel plate 32 are provided with gap plates. The two gap plates of the first angle steel plate 31 are jointly provided with a third gap plate. An externally attached channel steel 4 is provided with a second externally attached channel steel 5 between the two gap plates of the second angle steel plate 32; the two sides of the first externally attached channel steel 4 are fixedly connected to the first angle steel plate 32. The steel plate 31 fits two gap plates. The bottom edge of the first externally attached channel steel 4 is fixedly connected to the first angle steel plate 31; the two sides of the second externally attached channel steel 5 are fixedly connected to the second angle steel plate 32 respectively. The bottom edge of the second externally attached channel steel 5 is fixedly connected to the second angle steel plate 32 by fitting the two gap plates. The first externally attached channel steel 4 and the second externally attached channel steel 5 are connected to the first angle steel plate 31 and the second angle steel plate 32 of the main material angle steel 3 respectively, and are connected between the first angle steel plate 31 and the second angle steel plate 31 through the gap plate. The edge of the steel plate 32 forms a combined angle steel, thereby effectively improving the bending stiffness of the section, strengthening the stability of the component around the weak axis, and making full use of the full section strength of the main material angle steel 3; effectively improving the anti-collapse performance of the transmission tower; only increasing The first externally attached channel steel 4 and the second externally attached channel steel 5 are used for reinforcement. The windshield area is not large to avoid increasing the wind load on the tower body. It does not take up much space and can be applied to structural parts with complex nodes and dense rods. Ensure the accuracy requirements of on-site construction.
进一步的，第一外贴槽钢4与间隙板之间、第一外贴槽钢4与第一角钢板31之间、第二外贴槽钢5与间隙板之间以及第二外贴槽钢5与第二角钢板32之间均通过螺栓固定连接。螺栓连接方便且连接紧固，以将第一外贴槽钢4、第二外贴槽钢5和主材角钢3形成组合角钢。具体的，第一角钢板31、第二角钢板32、第一外贴槽钢4、第二外贴槽钢5上均设有螺纹孔，螺栓穿过螺纹孔。Further, between the first externally attached channel steel 4 and the gap plate, between the first externally attached channel steel 4 and the first angle steel plate 31, between the second externally attached channel steel 5 and the gap plate, and between the second externally attached channel steel 4 and the gap plate, The steel 5 and the second angle steel plate 32 are both fixedly connected by bolts. The bolt connection is convenient and tight, so that the first externally attached channel steel 4, the second externally attached channel steel 5 and the main material angle steel 3 form a combined angle steel. Specifically, the first angle steel plate 31, the second angle steel plate 32, the first externally attached channel steel 4, and the second externally attached channel steel 5 are all provided with threaded holes, and bolts pass through the threaded holes.
其中，第一角钢板31上设置的间隙板为第一间隙板6，第二角钢板32上设置的间隙板为第二间隙板7；两个第一间隙板6平行且同时与第一角钢板31垂直布置，两个第二间隙板7水平布置且同时与第二角钢板32垂直布置。Among them, the gap plate provided on the first angle steel plate 31 is the first gap plate 6, and the gap plate provided on the second angle steel plate 32 is the second gap plate 7; the two first gap plates 6 are parallel and at the same time with the first angle plate. The steel plate 31 is arranged vertically, and the two second gap plates 7 are arranged horizontally and vertically with the second angle steel plate 32 at the same time.
进一步的，本申请的具体实施例中，第一间隙板6的高度大于第一外贴槽钢4的侧板的高度，第二间隙板7的高度大于第二外贴槽钢5的侧板的高度，增加整个加固装置的稳定性。Further, in the specific 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 externally attached channel steel 4, and the height of the second gap plate 7 is greater than the height of the side plate of the second externally attached channel steel 5. The height increases the stability of the entire reinforcement device.
其中，第一角钢板31的中部和所述第二角钢板32的中部均连接有加固槽钢8，加固槽钢8的两个侧边分别与相邻的间隙板固定连接，以进一步的增加主材角钢3的强度。Among them, the middle part of the first angle steel plate 31 and the middle part of the second angle steel plate 32 are connected with reinforced channel steel 8, and the two sides of the reinforced channel steel 8 are fixedly connected with the adjacent gap plates respectively to further increase the The strength of the main material angle steel 3.
本申请的发明输电铁塔角钢加固装置加固方式施工方便，并且可以顺利避开节点和横隔面，达到连续加固的目的，从而提高加固协同受力整体性，能够有效提高输电塔的抗倒塌性能；且从经济角度看，本加固方式所用钢材较少，经济节约，具备大规模应用的条件。The reinforcement method of the transmission tower angle steel reinforcement device invented in this application is easy to construct, and can smoothly avoid nodes and diaphragms to achieve the purpose of continuous reinforcement, thereby improving the integrity of the coordinated stress-bearing integrity of the reinforcement and effectively improving the anti-collapse performance of the transmission tower; And from an economic point of view, this reinforcement method uses less steel, is economical and economical, and has the conditions for large-scale application.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本发明的保护范围。The above are only preferred embodiments of the present invention. It should be noted that those of ordinary skill in the art can also make several improvements and substitutions without departing from the technical principles of the present invention. These improvements and substitutions It should also be regarded as the protection scope of the present invention.
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