CN108951689B - Auxiliary reinforcing device and reinforcing method for foundation bolt of power transmission tower - Google Patents
Auxiliary reinforcing device and reinforcing method for foundation bolt of power transmission tower Download PDFInfo
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- CN108951689B CN108951689B CN201810987105.9A CN201810987105A CN108951689B CN 108951689 B CN108951689 B CN 108951689B CN 201810987105 A CN201810987105 A CN 201810987105A CN 108951689 B CN108951689 B CN 108951689B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D37/00—Repair of damaged foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses an auxiliary reinforcing device and a reinforcing method for foundation bolts of a power transmission tower, which comprises a foundation, wherein the foundation is connected with a tower pole through a tower foot bottom plate, the auxiliary reinforcing device further comprises four reinforcing bottom plates, screw rods, base plates, a self-locking piece and foundation reinforcing plates, the four reinforcing bottom plates are respectively arranged on the periphery of the tower foot bottom plate, the adjacent reinforcing bottom plates are fixedly welded, the two adjacent reinforcing bottom plates are connected through the base plates, the base plates are arranged on the upper end surfaces of the reinforcing bottom plates, the foundation, the reinforcing bottom plates and the base plates are connected through the screw rods, nuts are arranged on the screw rods and pressed on the upper end surfaces of the base plates, the two adjacent nuts are connected through the self-locking piece, the foundation reinforcing plate is arranged on each side wall of the foundation, one side of each foundation reinforcing plate is tightly attached to the side wall of the foundation, the upper end of each foundation reinforcing plate is fixedly welded to the corresponding reinforcing bottom plate, and the end surfaces of the adjacent foundation reinforcing plates are butted and fixedly welded.
Description
Technical Field
The invention relates to the technical field of power transmission tower reinforcement, in particular to an auxiliary reinforcement device and a reinforcement method for foundation bolts of a power transmission tower.
Background
The transmission tower is a supporting point of an overhead line and is important equipment of a transmission line. A foundation bolt of a power transmission tower is a component for connecting a foundation and a tower, consists of a screw, a nut, a base plate, auxiliary anchoring measures and the like, and is an important part of the power transmission tower. However, in the actual operation process, due to the fact that the quality of the cement protective cap is unqualified, the leakage current of the insulator flows to the ground through the tower, and the like, the foundation bolt is corroded, the diameter of the bolt is reduced, and great potential safety hazards are brought to safe operation.
Because the screw rod of rag bolt buries among the cement foundation, in case take place to corrode the attenuate, will directly influence the security of transmission tower. The repair of the prior art needs to destroy the original foundation and pour again, and the solution directly affects the safety of the power transmission tower, possibly causes the occurrence of tower collapse accidents, and has certain danger for workers.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the auxiliary reinforcing device for the foundation bolt of the power transmission tower, the reinforcing bottom plate is arranged around the tower foot bottom plate, the reinforcing between the tower pole and the foundation is realized, the problems of looseness and infirm connection of the original foundation bolt caused by corrosion are solved, the reliability and the safety of the fixing of the power transmission tower are ensured, the original foundation cannot be excavated and damaged in the whole repairing process, only the reinforcing structure is added on the original foundation, the tower falling phenomenon cannot be caused in the repairing process, the construction is safe and reliable, and the safety of workers is ensured.
The invention also provides an auxiliary reinforcement method of the foundation bolt of the power transmission tower, the foundation bolt of the power transmission tower is reinforced by using the method, the construction process is safe and rapid, the construction period is short, the cost is saved, the fixing strength and the use reliability of the power transmission tower can be ensured, and the used reinforcement part is simple and easy to process.
In order to realize the purpose, the invention provides the following technical scheme:
the utility model provides a transmission tower rag bolt's supplementary reinforcement device, includes the basis, the basis is passed through the tower footing bottom plate and is connected with the tower pole, still includes reinforcing bottom plate, screw rod, backing plate, from locking part, basic reinforcing plate, reinforcing bottom plate's quantity is four, locates around the tower footing bottom plate respectively, welded fastening between the adjacent reinforcing plate bottom plate, connects through the backing plate between two adjacent reinforcing bottom plates, reinforcing bottom plate's up end is located to the backing plate, connect through the screw rod between basis, reinforcing bottom plate, the backing plate, be equipped with the nut on the screw rod, the nut is pressed the up end at the backing plate, connects through from the locking part between two adjacent nuts, every lateral wall of basis all is equipped with basic reinforcing plate, and one side of basic reinforcing plate is hugged closely in the lateral wall of basis, the upper end and the reinforcing bottom plate welded fastening of basis reinforcing plate, the terminal surface butt joint and the welded fastening of adjacent basic reinforcing plate.
Preferably, the reinforcing bottom plate is of a right-angle plate structure, a screw hole is formed in the right-angle position of the reinforcing bottom plate, the screw hole is matched with a screw, and the cross section of the butt joint of the adjacent reinforcing bottom plates is of a V-shaped groove structure.
Preferably, the diameter of the screw hole is 8mm-30mm larger than the diameter of the screw.
Preferably, the backing plate includes and presses sole, connecting plate, the both ends of connecting plate all are connected with perpendicularly and press the sole, and the connecting plate is equipped with the pilot hole with the junction of pressing the sole, and the pilot hole is the arc structure, pilot hole and screw rod cooperation.
Preferably, the self-locking piece comprises a connector and a connecting rod, a nut hole is formed in the middle of the connector, the nut hole is matched with a nut, and the two ends of the connecting rod are both welded with one connector.
Preferably, the thickness of the backing plate is 6mm-20mm, and the backing plate is made of a Q345 or Q420 steel plate material.
Preferably, the length of the foundation reinforcing plate is 300mm-500mm, and the width dimension of the foundation reinforcing plate is larger than that of the foundation.
An auxiliary reinforcing method for foundation bolts of a power transmission tower is characterized in that four reinforcing bottom plates are sequentially marked as a first reinforcing bottom plate, a second reinforcing bottom plate, a third reinforcing bottom plate and a fourth reinforcing bottom plate along the anticlockwise direction, screws corresponding to each reinforcing bottom plate are respectively marked as a first screw, a second screw, a third screw and a fourth screw, the number of base plates is two, and the base plates are respectively marked as a first base plate and a second base plate, and the auxiliary reinforcing method comprises the following steps:
1): punching holes at four corner positions of a foundation on the outer side of a tower foot bottom plate, wherein the diameter of each punched hole is 3-8 mm larger than that of each screw rod, and the depth of each hole is 300-1000 mm;
2): installing reinforcing bottom plates to enable the screw holes to face the holes in the foundation, and welding and fixing the adjacent reinforcing bottom plates;
3): attaching a foundation reinforcing plate to the side wall of the foundation, welding and fixing the upper end of the foundation reinforcing plate and the end part of the reinforcing bottom plate, and welding and fixing adjacent foundation reinforcing plates;
4): pouring the steel bar planting glue into the hole of the foundation, inserting the screw rod when the poured steel bar planting glue reaches the hole depth of 1/2, continuously pouring the steel bar planting glue, ensuring that the steel bar planting glue is filled in the hole on the foundation, after the steel bar planting glue is cured for 15-60 minutes, arranging the first base plate at the upper ends of the first reinforcing base plate and the fourth reinforcing base plate, arranging the second base plate at the upper ends of the second reinforcing base plate and the third reinforcing base plate, matching the assembling hole with the screw rod, assembling the nut on the screw rod, tightening the nut after the steel bar planting glue is completely cured for 1-2 days, and tightly pressing and fixing the base plate and the reinforcing base plate through the nut;
5): the self-locking pieces are arranged between the first screw rod and the second screw rod and between the third screw rod and the fourth screw rod, the connecting head is firstly sleeved on the screw rod to enable the nut hole to be matched with the nut, then the connecting rod is placed between the first screw rod and the second screw rod and between the third screw rod and the fourth screw rod, and the connecting heads are evenly welded and fixed at two ends of the connecting rod.
Preferably, the reinforcing bottom plate in the step 2) is made of Q345 or Q420; for Q345, selecting a J507 welding rod with the diameter of 3.2mm and the current of 100A-140A; for Q420, a J557 electrode was chosen, 3.2mm in diameter, with a current of 100A-140A.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the reinforcing bottom plates are arranged around the tower foot bottom plate, so that the tower pole and the foundation are reinforced, the problems of looseness and infirm connection caused by corrosion of the original foundation bolt are solved, and the reliability and safety of fixing of the power transmission tower are ensured; arrange basic reinforcing plate around the basis, wrap up around the basis and press from both sides tight fixedly through basic reinforcing plate, basic reinforcing plate is connected with the reinforcing plate and can increases the fixed strength of reinforcing plate, ensure fixed stability, can protect the basis simultaneously, reduce the corruption and the damage on basis, whole repairing process can not excavate the damage to former basis, only increase additional strengthening on former basis, can not lead to taking place the tower collapse phenomenon in the repairing process, construction safe and reliable, staff's safety has been ensured.
2. The base plate structure can increase the downward force application area of the nut, ensure the stress uniformity of the reinforcing bottom plates, reinforce and protect two adjacent reinforcing bottom plates through the base plate, and the assembling holes are designed to be arc-shaped structures, so that the assembling is convenient, and the problem that the assembling cannot be carried out due to errors is avoided.
3. According to the invention, self-locking between two adjacent nuts is realized through the self-locking piece, so that the nuts are prevented from loosening, the fastening firmness is ensured, and meanwhile, the self-locking nut is convenient to disassemble and assemble and is convenient for later maintenance.
4. The method is used for reinforcing the foundation bolt of the power transmission tower, the construction process is safe and rapid, the construction period is short, the cost is saved, the fixing strength and the use reliability of the power transmission tower can be ensured, and the used reinforcing component is simple and easy to process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure with the base reinforcing plate and the self-locking member removed;
FIG. 3 is a schematic view of a reinforced floor structure;
FIG. 4 is a schematic view of a pad structure;
fig. 5 is a schematic view of the self-locking element structure.
In the figure: 1-a base; 2-reinforcing the bottom plate; 201-a first reinforced floor; 202-a second reinforcement bottom panel; 203-a third reinforced floor; 204-a fourth reinforcing bottom plate; 205-screw holes; 3-a screw; 301-a first screw; 302-a second screw; 303-a third screw; 304-a fourth screw; 4-a nut; 5-backing plate; 501-a first backing plate; 502-a second shim plate; 503-assembly holes; 504-footpad; 505-a connection plate; 6-self-locking; 601-a connector; 602-a nut bore; 603-connecting rods; 7-a base reinforcing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a supplementary reinforcing apparatus of transmission tower rag bolt, including basis 1, basis 1 is connected with the tower pole through the tower foot bottom plate, still includes strengthening bottom plate 2, screw rod 3, backing plate 5, from locking part 6, basic strengthening plate 7, the quantity of strengthening bottom plate 2 is four, locates around the tower foot bottom plate respectively, welded fastening between the adjacent strengthening bottom plate 2, connects through backing plate 5 between two adjacent strengthening bottom plate 2, the up end of strengthening bottom plate 2 is located to backing plate 5, connect through screw rod 3 between basis 1, strengthening bottom plate 2, the backing plate 5, be equipped with nut 4 on the screw rod 3, nut 4 presses the up end at backing plate 5, connects through from locking part 6 between two adjacent nuts 4, every lateral wall of basis 1 all is equipped with basic strengthening plate 7, and one side of basic strengthening plate 7 is hugged closely in the lateral wall of basis 1, and the upper end and the strengthening bottom plate 2 welded fastening of basic strengthening plate 7, and the terminal surface butt joint and welded fastening of adjacent basic strengthening plate 7.
As shown in fig. 3, the reinforced bottom plate 2 is a rectangular plate structure, a screw hole 205 is arranged at the right-angle position of the reinforced bottom plate 2, the screw hole 205 is matched with the screw 3, and the cross section of the butt joint of the adjacent reinforced bottom plates 2 is designed to be a V-shaped groove structure.
The diameter of the screw hole 205 is 8mm-30mm larger than that of the screw 3.
As shown in fig. 4, the backing plate 5 includes a leg pressing plate 504 and a connecting plate 505, two ends of the connecting plate 505 are vertically connected with the leg pressing plate 504, a connection portion between the connecting plate 505 and the leg pressing plate 504 is provided with an assembling hole 503, the assembling hole 503 is an arc-shaped structure, and the assembling hole 503 is matched with the screw 3.
As shown in fig. 5, the self-locking element 6 includes a connection head 601 and a connection rod 603, a nut hole 602 is disposed in the middle of the connection head 501, the nut hole 602 is matched with the nut 4, and two ends of the connection rod 603 are welded to the connection head 601.
The thickness of the backing plate 5 is 6mm-20mm, and the backing plate 5 is made of a Q345 or Q420 steel plate material.
The length of the foundation reinforcing plate 7 is 300mm-500mm, and the width dimension of the foundation reinforcing plate 7 is larger than that of the foundation 1.
As shown in fig. 2, four reinforcing bottom plates 2 are sequentially marked as a first reinforcing bottom plate 201, a second reinforcing bottom plate 202, a third reinforcing bottom plate 203 and a fourth reinforcing bottom plate 204 along a counterclockwise direction, screws 3 corresponding to each reinforcing bottom plate 2 are respectively marked as a first screw 301, a second screw 302, a third screw 303 and a fourth screw 304, the number of the backing plates 5 is two and respectively marked as a first backing plate 501 and a second backing plate 502,
an auxiliary reinforcing method for foundation bolts of a power transmission tower comprises the following steps:
1): punching holes at four corner positions of the foundation 1 at the outer side of the tower foot bottom plate, wherein the diameter of the punched holes is 3-8 mm larger than that of the screw rods 3, and the hole depth is 300-1000 mm;
2): installing the reinforcing bottom plates 2 to enable the screw holes 205 to be opposite to the holes on the foundation 1, and welding and fixing the adjacent reinforcing bottom plates 2;
3): attaching the foundation reinforcing plates 7 to the side walls of the foundation 1, welding and fixing the upper ends of the foundation reinforcing plates 7 and the end parts of the reinforcing bottom plates 2, and welding and fixing the adjacent foundation reinforcing plates 7;
4): pouring the steel bar planting glue into the hole of the foundation 1, inserting the screw rod 3 when the poured steel bar planting glue reaches the hole depth of 1/2, continuously pouring the steel bar planting glue, ensuring that the holes in the foundation 1 are filled with the steel bar planting glue, after the steel bar planting glue is cured for 15-60 minutes, arranging the first base plate 501 at the upper ends of the first reinforcing base plate 201 and the fourth reinforcing base plate 204, arranging the second base plate 502 at the upper ends of the second reinforcing base plate 202 and the third reinforcing base plate 203, matching the assembling hole 5053 with the screw rod 3, assembling the nut 4 on the screw rod 3, screwing the nut 4 after the steel bar planting glue is completely cured for 1-2 days, and tightly pressing and fixing the base plate 5 and the reinforcing base plate 2 through the nut 4;
5): the self-locking parts 6 are arranged between the first screw 301 and the second screw 302 and between the third screw 303 and the fourth screw 304, the connecting heads 601 are firstly sleeved on the screws 3 to enable the nut holes 602 to be matched with the nuts 4, then the connecting rod 603 is arranged between the first screw 301 and the second screw 302 and between the third screw 303 and the fourth screw 304, and the connecting heads 601 at two ends of the connecting rod 603 are welded and fixed.
The material of the reinforcing bottom plate 2 in the step 2) is Q345 or Q420; for Q345, a J507 welding rod with the diameter of 3.2mm and the current of 100A-140A is selected; for Q420, a J557 electrode was chosen, 3.2mm in diameter, with a current of 100A-140A.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a transmission tower rag bolt's supplementary reinforcement device, includes the basis, the basis passes through the column foot bottom plate and is connected its characterized in that with the tower pole: the reinforcing bottom plates are arranged on the periphery of the tower foot bottom plate respectively, the adjacent reinforcing bottom plates are welded and fixed, the two adjacent reinforcing bottom plates are connected through the base plate, the base plate is arranged on the upper end face of the reinforcing bottom plate, the foundation, the reinforcing bottom plates and the base plate are connected through the screw rods, nuts are arranged on the screw rods and pressed on the upper end faces of the base plates, the two adjacent nuts are connected through the self-locking piece, each side wall of the foundation is provided with the basic reinforcing plate, one side of each basic reinforcing plate is tightly attached to the side wall of the foundation, the upper ends of the basic reinforcing plates are welded and fixed with the reinforcing bottom plates, the end faces of the adjacent basic reinforcing plates are in right-angle butt joint and are welded and fixed, the reinforcing bottom plates are of plate structures, screw holes are arranged at right-angle positions of the reinforcing bottom plates and matched with the screw rods, the cross sections of the butt joint positions of the adjacent bottom plates are of V-shaped structures, and the diameter ratio of the screw rods of the screw holes is 8-30 mm larger; the backing plate is including pressing sole, connecting plate, the both ends of connecting plate all are connected with perpendicularly and press the sole, and the connecting plate is equipped with the pilot hole with the junction of pressing the sole, and the pilot hole is the arc structure, pilot hole and screw rod cooperation.
2. The auxiliary reinforcing device for the foundation bolt of the power transmission tower according to claim 1, wherein: from the latch fitting includes connector, connecting rod, the middle part of connector is equipped with the nut hole, nut hole and nut cooperation, connector of all welding at the both ends of connecting rod.
3. An auxiliary reinforcing device for foundation bolts of power transmission towers according to claim 2, wherein: the thickness of the backing plate is 6mm-20mm, and the backing plate is made of a Q345 or Q420 steel plate material.
4. The auxiliary reinforcing device for the foundation bolt of the power transmission tower according to claim 3, wherein: the length of the foundation reinforcing plate is 300mm-500mm, and the width dimension of the foundation reinforcing plate is larger than that of the foundation.
5. The method for reinforcing an auxiliary reinforcing apparatus using a foundation bolt of a power transmission tower according to claim 4, wherein: four reinforcing bottom plates are marked as a first reinforcing bottom plate, a second reinforcing bottom plate, a third reinforcing bottom plate and a fourth reinforcing bottom plate in turn along the anticlockwise direction, the screw rods corresponding to each reinforcing bottom plate are marked as a first screw rod, a second screw rod, a third screw rod and a fourth screw rod respectively, the number of the base plates is two, and the base plates are marked as a first base plate and a second base plate respectively, and the method comprises the following steps:
1): punching holes at four corner positions of a foundation on the outer side of a tower foot bottom plate, wherein the diameter of each punched hole is 3-8 mm larger than that of each screw rod, and the depth of each hole is 300-1000 mm;
2): installing reinforcing bottom plates to enable the screw holes to face the holes in the foundation, and welding and fixing the adjacent reinforcing bottom plates;
3): attaching the foundation reinforcing plates to the side walls of the foundation, welding and fixing the upper ends of the foundation reinforcing plates and the end parts of the reinforcing bottom plates, and welding and fixing the adjacent foundation reinforcing plates;
4): pouring the steel bar planting glue into the hole of the foundation, inserting the screw rod when the poured steel bar planting glue reaches the hole depth of 1/2, continuously pouring the steel bar planting glue, ensuring that the steel bar planting glue is filled in the hole on the foundation, after the steel bar planting glue is cured for 15-60 minutes, arranging the first base plate at the upper ends of the first reinforcing base plate and the fourth reinforcing base plate, arranging the second base plate at the upper ends of the second reinforcing base plate and the third reinforcing base plate, matching the assembling hole with the screw rod, assembling the nut on the screw rod, tightening the nut after the steel bar planting glue is completely cured for 1-2 days, and tightly pressing and fixing the base plate and the reinforcing base plate through the nut;
5): the self-locking pieces are arranged between the first screw rod and the second screw rod and between the third screw rod and the fourth screw rod, the connecting heads are firstly sleeved on the screw rods to enable the nut holes to be matched with the nuts, then the connecting rods are placed between the first screw rod and the second screw rod and between the third screw rod and the fourth screw rod, and the connecting heads at two ends of the connecting rods are uniformly welded and fixed.
6. The auxiliary reinforcing method for the foundation bolt of the power transmission tower according to claim 5, wherein the method comprises the following steps: the reinforcing bottom plate in the step 2) is made of Q345 or Q420; for Q345, selecting a J507 welding rod with the diameter of 3.2mm and the current of 100A-140A; for Q420, a J557 electrode was chosen, 3.2mm in diameter, and a current of 100A-140A.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810987105.9A CN108951689B (en) | 2018-08-28 | 2018-08-28 | Auxiliary reinforcing device and reinforcing method for foundation bolt of power transmission tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810987105.9A CN108951689B (en) | 2018-08-28 | 2018-08-28 | Auxiliary reinforcing device and reinforcing method for foundation bolt of power transmission tower |
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| Publication Number | Publication Date |
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| CN108951689A CN108951689A (en) | 2018-12-07 |
| CN108951689B true CN108951689B (en) | 2023-04-18 |
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| CN201810987105.9A Active CN108951689B (en) | 2018-08-28 | 2018-08-28 | Auxiliary reinforcing device and reinforcing method for foundation bolt of power transmission tower |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207567842U (en) * | 2017-12-13 | 2018-07-03 | 贵州电力设计研究院 | A kind of electric power pylon foundation bolt damages reinforced structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013204385A (en) * | 2012-03-29 | 2013-10-07 | Jfe West Japan Gs Co Ltd | Repair structure and repair device for existing steel-pipe column |
| CN203188229U (en) * | 2013-02-06 | 2013-09-11 | 湖北省电力勘测设计院 | Iron-tower foot bolt anchoring device |
| CN208857835U (en) * | 2018-08-28 | 2019-05-14 | 国网山东省电力公司电力科学研究院 | A kind of auxiliary reinforcing device of power transmission tower foundation bolt |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207567842U (en) * | 2017-12-13 | 2018-07-03 | 贵州电力设计研究院 | A kind of electric power pylon foundation bolt damages reinforced structure |
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