CN212957924U - Door type guyed tower shank corrosion internal-pasting reinforcing device - Google Patents
Door type guyed tower shank corrosion internal-pasting reinforcing device Download PDFInfo
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- CN212957924U CN212957924U CN202021168830.2U CN202021168830U CN212957924U CN 212957924 U CN212957924 U CN 212957924U CN 202021168830 U CN202021168830 U CN 202021168830U CN 212957924 U CN212957924 U CN 212957924U
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- 230000003014 reinforcing effect Effects 0.000 title claims description 93
- 238000005260 corrosion Methods 0.000 title claims description 22
- 230000007797 corrosion Effects 0.000 title claims description 21
- 239000000463 material Substances 0.000 claims abstract description 118
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 101
- 239000010959 steel Substances 0.000 claims abstract description 101
- 230000002787 reinforcement Effects 0.000 claims abstract description 52
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 241000755266 Kathetostoma giganteum Species 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
一种门型拉线塔腿部锈蚀内贴加固装置，加固装置包括：第一加固模块、第二加固模块、第三加固模块和第四加固模块；第一加固模块与垂向之间的夹角同样为α，包括n根内贴加固件，安装在n根塔腿原主材内侧；第二加固模块包括n+1块板，其中一块板为位于水平方向的水平板，水平板安装在塔脚板顶面上，其余n块板为合围板，与垂向之间的夹角同样为α；第三加固模块水平设置，与塔腿原水平材平行，包括多根水平加固件；第四加固模块与垂向之间的夹角为β，与塔腿原交叉材平行，包括多根交叉加固件。加固装置构造简单，不改变原有塔型的受力机制，内贴角钢与原主材同时受力，达到加固的效果，加固方法不影响原结构构件；操作简便，且十分经济。
The utility model discloses a rust and inner sticking reinforcement device for the legs of a gate-type stay tower. The reinforcement device comprises: a first reinforcement module, a second reinforcement module, a third reinforcement module and a fourth reinforcement module; the angle between the first reinforcement module and the vertical direction The same is α, including n inner affixed reinforcements, which are installed on the inner side of the original main materials of n tower legs; the second reinforcement module includes n+1 plates, one of which is a horizontal plate located in the horizontal direction, and the horizontal plate is installed on the tower foot plate On the top surface, the remaining n plates are coaming plates, and the angle between them and the vertical direction is also α; the third reinforcement module is set horizontally, parallel to the original horizontal material of the tower legs, including multiple horizontal reinforcements; the fourth reinforcement module The angle between the vertical and the vertical is β, which is parallel to the original cross material of the tower legs, including multiple cross reinforcements. The reinforcement device has a simple structure and does not change the force mechanism of the original tower type. The inner angle steel and the original main material are simultaneously stressed to achieve the effect of reinforcement. The reinforcement method does not affect the original structural components; the operation is simple and economical.
Description
Technical Field
The utility model belongs to the technical field of transmission equipment, more specifically relates to a door type guyed tower shank corrosion is interior to be pasted reinforcing apparatus.
Background
With the rapid growth of national economy and the rapid development of the power industry, the rapid development of the power transmission line iron tower industry is promoted, the door-shaped stay wire tower is widely used, the service life is relatively long, and the corrosion condition is common, so that the reinforcement of the tower leg of the door-shaped stay wire tower has great significance to the power transmission line iron tower industry, and the scheme can solve the problems of falling and corrosion of a main material layer of a galvanized tower leg due to long-term wear of the tower leg part.
The foundation of the door-shaped guyed tower is buried deeply and the thickness of the tower material is thin, and the load is mainly supported by cross guys or splayed guys, which are gradually reduced in the current line design selection. Therefore, the gantry towers are power transmission towers with long service life, the zinc coating of the main material of the tower legs falls off due to long-term abrasion, and the phenomenon of zinc coating falling off occurs again after 2 to 3 years of on-site zinc spraying treatment, and the towers have high proportion in 220 KV power transmission lines and have long service life and need to pay attention.
SUMMERY OF THE UTILITY MODEL
For solving the not enough that exists among the prior art, the utility model aims to provide a paste reinforcing apparatus and reinforcement method in door type guyed tower shank corrosion, start from sliding door tower leg type part owner material of falling the cone, carry out the reinforcement of tower leg owner material through the mode of wrapping up reinforcing member to tower leg owner material root in inside.
The utility model adopts the following technical proposal.
A door type guyed tower leg corrosion reinforcing apparatus, with n represent the original main material's of tower leg quantity, with alpha represent the original main material of tower leg and the vertical included angle between vertical, with beta represent the original cross material of tower leg and the vertical included angle between, the reinforcing apparatus includes: the device comprises a first reinforcing module, a second reinforcing module, a third reinforcing module and a fourth reinforcing module; the included angle between the first reinforcing module and the vertical direction is also alpha, the first reinforcing module comprises n internal bonded reinforcing members, and the n internal bonded reinforcing members are in one-to-one correspondence with the n original main materials of the tower legs and are arranged on the inner sides of the n original main materials of the tower legs; the second reinforcing module comprises n +1 plates, one of the plates is a horizontal plate in the horizontal direction, the horizontal plate is installed on the top surface of the tower foot plate, the rest n plates are trapezoidal coaming plates with the same size, the included angle between the trapezoidal coaming plates and the vertical direction is also alpha, the trapezoidal upper bottoms of the n coaming plates are connected with the horizontal plate, the coaming plates of two adjacent ones of the n coaming plates are connected, and each coaming plate is connected with two adjacent inner bonding reinforcing members; the third reinforcing module is horizontally arranged, is parallel to the original horizontal material of the tower leg and comprises a plurality of horizontal reinforcing pieces, and two ends of each horizontal reinforcing piece are connected with the original main material of the tower leg; the included angle between the fourth reinforcing module and the vertical direction is beta, the included angle is parallel to the original cross material of the tower leg, the fourth reinforcing module comprises a plurality of cross reinforcing members, and two ends of each cross reinforcing member are connected with the original main material of the tower leg.
Preferably, the interior reinforcement that pastes of first reinforcement module is interior angle steel that pastes, offers the original bolt hole with the former main material of tower leg, is connected with the former main material of tower leg through the bolt.
Preferably, the length of the inner attaching angle steel subjected to the back shoveling treatment exceeds the length of the whole corrosion area.
Preferably, the second is consolidated the module and is included n +1 steel sheet, and two adjacent steel sheets are connected through the welding in the n piece surrounds the board, and n piece surrounds the board steel sheet and all is connected through the welding with the horizontal plate steel sheet, forms the square steel groove.
Preferably, m holes are formed in the inner fillet steel in a staggered mode, m holes are formed in the square steel groove corresponding to n corners, the inner fillet steel is connected with the square steel groove through flat-head bolts, and the horizontal steel plate of the square steel groove is placed on the top face of the bottom tower foot plate.
Preferably, the number of the original main materials of the tower legs is 4, the first reinforcing module comprises 4 inner attached angle steels, the second reinforcing module is a square steel groove formed by welding 5 steel plates, and 6 holes are formed in each inner attached angle steel in a staggered mode and used for being connected with the square steel groove.
Preferably, a plurality of horizontal reinforcing members of the third reinforcing module are a plurality of angle steel post-adding horizontal materials, a plurality of cross reinforcing members of the fourth reinforcing module are a plurality of angle steel post-adding cross materials, bolt holes are formed in the post-adding horizontal materials and the post-adding cross materials, and the inner sides of the angle steels are connected with the original main material of the tower legs through bolts.
Preferably, the installation position of the first post-angle steel horizontal material is between the lower part of the corrosion area and the lowest tower leg original cross material, and the distance between the plurality of post-angle steel horizontal materials is equal to the distance between the plurality of tower leg original horizontal materials.
Preferably, the installation position of the post-addition cross material is between the two angle steels and the horizontal material.
The utility model has the advantages that compared with the prior art, after the reinforcing scheme is implemented, the structure is simple, the stress mechanism of the original tower type is not changed, the lining angle steel and the original main material are simultaneously stressed, and the reinforcing effect is achieved; compared with the original structure, the integral structure is stronger, and the structural strength reduced by corrosion can be effectively supplemented; convenient processing, easy construction and economy.
Drawings
FIG. 1 is a vertical view of the reinforcement scheme of the door-shaped guyed tower leg rust inner-pasted angle steel of the present invention;
FIG. 2 is a cross-sectional view of an inside attachment angle iron;
FIG. 3 is a bottom cross-sectional view;
fig. 4 is a reinforcing method based on the leg rust reinforcing device of the gate-type guyed tower.
In the figure:
101-internally pasting angle steel;
102-square steel groove;
103-adding a horizontal material;
104-adding cross material;
105-original main material;
106-original horizontal timber;
107-original cross section;
108-tower foot plate;
109-corrosion zone.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b): door type guyed tower leg corrosion reinforcing apparatus
As shown in fig. 1 to 3, the preferred embodiment of the present invention provides a reinforcement device for rust corrosion of legs of a gantry guyed tower, which defines n number of the original main tower leg material 105, an included angle between the original main tower leg material 105 and the vertical direction as α, and an included angle between the original cross tower leg material 107 and the vertical direction as β.
The reinforcing apparatus includes: the device comprises a first reinforcing module, a second reinforcing module, a third reinforcing module and a fourth reinforcing module.
The included angle between the first reinforcing module and the vertical direction is also alpha, and the first reinforcing module comprises n internal-attached reinforcing members, wherein the n internal-attached reinforcing members correspond to the n original main tower leg materials 105 one by one and are arranged on the inner sides of the n original main tower leg materials 105. The technical personnel in the field can choose for use the inside reinforcement spare wantonly according to the scene reality, for example material strength, corrosion resistance, processing degree of difficulty, cost etc. as a non-restrictive preferred, the inside reinforcement spare of first reinforcing module can be inside angle steel 101, to inside angle steel 101 more than the protective cap, set up the original bolt hole with former main material 105 of tower leg, be connected with former main material 105 of tower leg through the bolt. The lining angle 101 needs to be pre-shoveled back to fit the tower leg stock 105. The length of the relieved inside fillet steel 101 exceeds the length of the entire erosion area 109.
The second reinforcing module comprises n +1 plates, one of the plates is a horizontal plate located in the horizontal direction, the horizontal plate is installed on the top surface of the tower foot plate 108, the rest n plates are enclosing plates, the included angle between the n enclosing plates and the vertical direction is also alpha, the n enclosing plates are all connected with the horizontal plate, two adjacent enclosing plates in the n enclosing plates are connected, and each enclosing plate is connected with two adjacent inner bonding reinforcing members. The field technical personnel can choose the panel of second reinforcement module according to on-the-spot reality wantonly, for example material strength, corrosion resisting degree, processing difficulty and ease degree, cost etc. as a non-restrictive preferred, the second reinforcement module includes n +1 steel sheet, and two adjacent steel sheets are connected through the welding in n piece surround the board, and n piece surround the board steel sheet and all be connected through the welding with the horizontal plate steel sheet, form square steel groove 102.
The inner fillet steel 101 is provided with m holes in a staggered mode, the square steel groove 102 is provided with m holes corresponding to n angles, the inner fillet steel 101 is connected with the square steel groove 102 through flat head bolts, and a horizontal steel plate of the square steel groove 102 is arranged on the top surface of the bottom tower foot plate 108.
When the number of the original main tower leg materials 105 is 4, that is, n is 4, and 6 holes are formed in the inner attaching angle steel 101 in a staggered manner, that is, m is 6, it is obvious that the first reinforcing module comprises 4 inner attaching angle steels 101, the second reinforcing module is formed by welding 5 steel plates to form a square steel groove 102, and 6 holes are formed in each inner attaching angle steel 101 in a staggered manner and used for being connected with the square steel groove 102.
The third reinforcement module is horizontally arranged and parallel to the original horizontal material 106 of the tower leg, and comprises a plurality of horizontal reinforcement pieces, and two ends of each horizontal reinforcement piece are connected with the original main material 105 of the tower leg. The technical personnel in the field can choose the material of third reinforcement module wantonly according to the actual thing of selecting for use on the spot, for example material strength, corrosion resisting degree, processing degree of difficulty, cost etc. as a non-restrictive preferred, many horizontal reinforcement of third reinforcement module are behind many angle steels horizontal material 103, the mounted position of back horizontal material 103 is the lower part in corruption district, between the former diagonal material of below, set up first back horizontal material, in principle select not influence back horizontal material and back add the normal hookup location of crossing material and main material can, the interval between the back horizontal material 103 equals with the interval between the former main material 105 of tower leg.
The included angle between the fourth reinforcing module and the vertical direction is beta, the included angle is parallel to the original tower leg cross material 107, the included angle comprises a plurality of cross reinforcing members, and two ends of each cross reinforcing member are connected with the original tower leg main material 105. Those skilled in the art can select the material of the third reinforcement module according to the actual situation, such as material strength, corrosion resistance, processing difficulty, cost, etc., and as a non-limiting preference, the plurality of cross reinforcements of the fourth reinforcement module are a plurality of angle steels and then the cross material 104. The installation position of the rear horizontal material 104 is between the two rear horizontal materials, and the connection position with the main material is similar to the original structure. The rear horizontal material 103 and the rear cross material 104 are provided with bolt holes, and the inner sides of the angle steels are connected with the original main material 105 of the tower legs through bolts.
In order to more clearly describe the door-shaped guyed tower leg rust reinforcement device, a reinforcement method based on the door-shaped guyed tower leg rust reinforcement device is described below.
As shown in fig. 4, a method for reinforcing a door-shaped guyed tower leg rust reinforcing device according to embodiment 1 includes the following steps:
step 1, knocking open the original foundation protective cap until the top surfaces of the original main material 105 of the tower legs and the tower foot plate 108 are completely exposed, and cleaning up the broken concrete.
And 2, manufacturing a second reinforcing module, connecting the n enclosing plates with the horizontal plate and connecting two adjacent enclosing plates in the n enclosing plates by using the same included angle alpha between the original main material 105 of the tower leg and the vertical direction. Specifically, the second reinforcement module is manufactured by using 5 steel plates, wherein 4 steel plates are connected by welding and are all connected with the horizontal plate steel plate by welding to form a square steel groove 102.
And 3, connecting and installing the first reinforcing module and the second reinforcing module, and installing the horizontal plate of the second reinforcing module on the tower foot plate 108. Specifically, 4 inner attaching angle steels 101 are used as a first reinforcing module, 6 holes are formed in each inner attaching angle steel 101 in a staggered mode, 6 holes are formed in each 4 corners of a square steel groove 102 correspondingly, the inner attaching angle steels 101 are connected with the square steel groove 102 through flat head bolts, and a horizontal steel plate of the square steel groove 102 is placed on the top surface of a bottom tower foot plate 108.
Step 4, externally supporting each tower leg original main material 105, attaching angle steel to the inner side of each protective cap, opening holes in the inner side of the first reinforcing module according to the actual positions of original bolt holes of the tower leg original main materials 105 on site, and connecting and installing the first reinforcing module and the tower leg original main materials 105 through bolts; specifically, the original main material 105 is detached from the bolt, the longer bolt is replaced, and the inner fillet steel 101 is mounted by using the original main material 105 bolt hole.
And 5, installing a plurality of horizontal reinforcements of the third reinforcement module and a plurality of cross reinforcements of the fourth reinforcement module. Specifically, a plurality of horizontal reinforcing members of the third reinforcing module are made of a plurality of post-horizontal steel bars 103, a plurality of cross reinforcing members of the fourth reinforcing module are made of a plurality of post-horizontal steel bars 104, the adding positions and bolt hole settings of the post-horizontal steel bars 103 and the post-cross steel bars 104 are calculated and determined, and the inner sides of the post-horizontal steel bars are connected with the original main tower leg material 105 through bolts. The method specifically comprises the following steps: installing a first angle steel rear horizontal material 103 between the tower leg original cross materials 107 at the lower part and the lowest part of the corrosion area, and installing each rear angle steel rear horizontal material 103 at a set interval with the front angle steel rear horizontal material 103, wherein the set interval is equal to the interval between a plurality of tower leg original horizontal materials 106; a rear-added cross material 104 is arranged between the two angle steel rear horizontal materials 103.
And 6, pouring a protective cap after the construction from the step 1 to the step 5 is completed. Further, still include: because the original main tower leg material 105 and the post-crossing material 104 at the variable cross section are both arranged on the inner sides, the unconnected limbs of the original main tower leg material 105 at the variable cross section influence the arrangement of the post-crossing material, and the isolated parts of the unconnected limbs of the original horizontal tower leg material 106 at the variable cross section are cut off.
The beneficial effects of the utility model reside in that, compare with prior art, interior angle steel that pastes consolidates the scheme, starts from sliding door tower leg partial main material of the type of falling the cone, carries out the reinforcement of tower leg main material through the mode of wrapping up angle steel to tower leg main material root in inside. After the reinforcing scheme is implemented, the structure is simple, the stress mechanism of the original tower type is not changed, the lining angle steel and the original main material are simultaneously stressed, and the reinforcing effect is achieved; compared with the original structure, the integral structure is stronger, and the structural strength reduced by corrosion can be effectively supplemented; the processing is convenient, the construction is easy and the cost is very low.
The applicant of the present invention has made detailed description and description of the embodiments of the present invention with reference to the drawings, but those skilled in the art should understand that the above embodiments are only the preferred embodiments of the present invention, and the detailed description is only for helping the reader to better understand the spirit of the present invention, and not for the limitation of the protection scope of the present invention, on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a door type guyed tower shank corrosion is pasted reinforcing apparatus in, indicates the original main material of tower leg (105) quantity with n, indicates the former main material of tower leg (105) and the vertical contained angle between with alpha, indicates the former alternately material of tower leg (107) and the vertical contained angle between with beta, its characterized in that:
the reinforcing apparatus includes: the device comprises a first reinforcing module, a second reinforcing module, a third reinforcing module and a fourth reinforcing module;
the included angle between the first reinforcing module and the vertical direction is also alpha, the first reinforcing module comprises n internal bonded reinforcing members, the n internal bonded reinforcing members correspond to the n original main tower leg materials (105) one by one and are arranged on the inner sides of the n original main tower leg materials (105);
the second reinforcing module comprises n +1 plates, one of the plates is a horizontal plate in the horizontal direction, the horizontal plate is installed on the top surface of the tower foot plate (108), the rest n plates are trapezoidal enclosing plates with the same size, included angles between the trapezoidal enclosing plates and the vertical direction are also alpha, the trapezoidal upper bottoms of the n enclosing plates are connected with the horizontal plate, two adjacent enclosing plates in the n enclosing plates are connected, and each enclosing plate is connected with two adjacent inner bonding reinforcing members;
the third reinforcing module is horizontally arranged, is parallel to the original horizontal material (106) of the tower leg and comprises a plurality of horizontal reinforcing members, and two ends of each horizontal reinforcing member are connected with the original main material (105) of the tower leg;
the included angle between the fourth reinforcing module and the vertical direction is beta, the included angle is parallel to the original tower leg cross material (107), the included angle comprises a plurality of cross reinforcing members, and two ends of each cross reinforcing member are connected with the original tower leg main material (105).
2. The door type guyed tower leg rust internal-pasting reinforcing device of claim 1, characterized in that:
the interior reinforcement that pastes of first reinforcement module is interior angle steel (101), offers the original bolt hole with former main material of tower leg (105), is connected with former main material of tower leg (105) through the bolt.
3. The door type guyed tower leg rust internal-pasting reinforcing device of claim 2, characterized in that:
the length of the inner attaching angle steel (101) subjected to the shoveling back treatment exceeds the length of the whole corrosion area (109).
4. The door type guyed tower leg rust internal-pasting reinforcing device of claim 2 or 3, characterized in that:
the second is consolidated the module and is included n +1 steel sheet, and two adjacent steel sheets are connected through the welding in the n piece surrounds the board, and n piece surrounds the board steel sheet and all is connected through the welding with the horizontal plate steel sheet, forms square steel groove (102).
5. The door type guyed tower leg rust internal-pasting reinforcing device of claim 4, characterized in that:
the inner attaching angle steel (101) is provided with m holes in a staggered mode, the square steel groove (102) is provided with m holes corresponding to n angles, the inner attaching angle steel (101) is connected with the square steel groove (102) through flat head bolts, and a horizontal steel plate of the square steel groove (102) is arranged on the top surface of the bottom tower foot plate (108).
6. The door type guyed tower leg rust internal-pasting reinforcing device of claim 5, characterized in that:
the quantity of the former main material of tower leg (105) is 4, and first reinforcement module includes 4 interior angle steel (101) that paste, and the second is consolidated the module and is formed square steel groove (102) by 5 steel sheet welding, and every interior angle steel (101) dislocation of pasting is opened 6 holes and is used for being connected with square steel groove (102).
7. The door-type guyed tower leg rust internal-pasting reinforcing device according to any one of claims 1 to 3, characterized in that:
many horizontal reinforcements of the third reinforcement module add horizontal material (103) behind many angle steels, and many cross reinforcements of the fourth reinforcement module add cross material (104) behind many angle steels, and the bolt hole has been seted up with horizontal material (103) and add cross material (104) after, is connected with former main material (105) of tower leg through the bolt in the angle steel inboard.
8. The door type guyed tower leg rust internal-pasting reinforcing device of claim 7, characterized in that:
the installation position of the first post-angle steel horizontal material (103) is between the lower part of the corrosion area and the lowest tower leg original cross material (107), and the distance between the plurality of post-angle steel horizontal materials (103) is equal to the distance between the plurality of tower leg original horizontal materials (106).
9. The door type guyed tower leg rust internal-pasting reinforcing device of claim 8, characterized in that:
the installation position of the post-addition cross material (104) is between the two angle steels and the horizontal material (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168830.2U CN212957924U (en) | 2020-06-22 | 2020-06-22 | Door type guyed tower shank corrosion internal-pasting reinforcing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168830.2U CN212957924U (en) | 2020-06-22 | 2020-06-22 | Door type guyed tower shank corrosion internal-pasting reinforcing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054994A (en) * | 2021-10-26 | 2022-02-18 | 国网福建省电力有限公司 | Corrosion welding repair method for angle steel interface of power transmission tower |
| WO2023028710A1 (en) * | 2021-09-02 | 2023-03-09 | Lmo Inc. | Tower having lightweight and weatherproof construction |
-
2020
- 2020-06-22 CN CN202021168830.2U patent/CN212957924U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023028710A1 (en) * | 2021-09-02 | 2023-03-09 | Lmo Inc. | Tower having lightweight and weatherproof construction |
| CN114054994A (en) * | 2021-10-26 | 2022-02-18 | 国网福建省电力有限公司 | Corrosion welding repair method for angle steel interface of power transmission tower |
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