CN112252806A - Angle steel tower material replacing tool and using method - Google Patents
Angle steel tower material replacing tool and using method Download PDFInfo
- Publication number
- CN112252806A CN112252806A CN202011070116.4A CN202011070116A CN112252806A CN 112252806 A CN112252806 A CN 112252806A CN 202011070116 A CN202011070116 A CN 202011070116A CN 112252806 A CN112252806 A CN 112252806A
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- angle steel
- clamping
- handle
- hole
- tower material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- 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
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses an angle steel tower material replacing tool and a using method thereof, wherein the tower material replacing tool comprises a handle, two connecting rods and two clamping parts; one end of the handle is in threaded connection with one end of one connecting rod, and the other end of the handle is in reverse threaded connection with one end of the other connecting rod; the other ends of the two connecting rods are respectively and correspondingly movably connected with the clamping part, and the clamping part is used for clamping the angle steel tower material. In the replacement of the diagonal member of the angle steel tower, the position of the mounting hole of the diagonal member is adjusted by clamping the two main members of the angle steel tower, so that the replacement of the diagonal member is facilitated, and the problems that the overall structure of a tower is slightly deformed, the relative position of the mounting hole of the diagonal member is changed and the mounting is difficult when the diagonal member is replaced are solved.
Description
Technical Field
The invention relates to the technical field of power transmission tower material updating, in particular to an angle steel tower material replacing tool and a using method thereof.
Background
In coastal strong wind areas and medium-heavy ice areas, a large number of old power transmission angle steel towers exist, the design life of the steel towers is long, and part of tower materials (mainly inclined materials) are frequently required to be replaced in the operation and maintenance process. In the process of replacement, a new angle steel is firstly processed according to an original design drawing, then the old angle steel is dismantled, and finally the new angle steel is installed.
Disclosure of Invention
The invention aims to provide an angle steel tower material replacing tool and a using method thereof.
In order to achieve the above object, an embodiment of the present invention provides an angle steel tower material replacing tool, 1, an angle steel tower material replacing tool, characterized by comprising a handle, two connecting rods and two clamping portions; one end of the handle is in threaded connection with one end of one connecting rod, and the other end of the handle is in reverse threaded connection with one end of the other connecting rod; the other ends of the two connecting rods are respectively and correspondingly movably connected with the clamping part, and the clamping part is used for clamping the angle steel tower material.
Preferably, the clamping part comprises a clamping body, a rubber pad, a tightness adjuster and a spherical hinge body; the clamping body is a concave body formed by surrounding three plates, the outer side of one of the two opposite plates is provided with a connecting lug, and the plate is provided with a through hole along the direction vertical to the plate; the spherical hinge body comprises a spherical body and a connecting part, the connecting part of the spherical hinge body is connected with the connecting lug, and the spherical body of the spherical hinge body is movably connected with the other end of the connecting rod; the rubber pad is connected with the inner side of the clamping body, and the tightness adjuster penetrates through the through hole to be connected with the rubber pad.
Preferably, the tightness adjuster is a tubular body, an external thread is arranged at one end of the tubular body, an internal thread is arranged in the through hole, a hole is formed in the position, opposite to the through hole, of the rubber pad, and the tightness adjuster penetrates through the through hole and then is connected with the hole in an inserting mode.
Preferably, the other plate of the two opposite plates is provided with a threaded hole along a direction perpendicular to the plate, and a bolt penetrates through the threaded hole and then is connected with the rubber pad.
Preferably, one end of the connecting rod is provided with an external thread, the other end of the connecting rod is provided with a spherical hinge hole, and the spherical hinge hole is connected with a sphere of the spherical hinge body in a matched manner.
Preferably, the handle is of a hollow tubular structure, a plurality of annular bosses are arranged in the handle, threads are arranged on the bosses, and the direction of the threads at one end of the handle is opposite to that of the threads at the other end of the handle.
Another embodiment of the present invention provides a method for using the angle steel tower material replacement tool, including the following steps:
removing the old angle steel positioned on the inclined material in the angle steel tower, and installing and fixing one side of the new angle steel through a bolt;
clamping one main material on one side of the new angle steel by one clamping part of the tower material replacing tool, rotating a handle, and adjusting the distance between the two clamping parts of the tower material replacing tool so as to enable the other clamping part of the tower material replacing tool to clamp the other main material on one side of the new angle steel;
the handle is rotated again, the length of the tower material replacing tool is finely adjusted, the mounting hole of the tower material is adjusted to a proper position, and the other side of the new angle steel is also mounted and fixed through the bolt;
separating the clamping portion of the tower material replacement tool from the main material, and removing the tower material replacement tool.
Compared with the prior art, the angle steel tower material replacing tool and the using method provided by the embodiment of the invention have the advantages that in the oblique material replacement of the angle steel tower, the two main materials of the angle steel tower are clamped to adjust the position of the mounting hole of the oblique material, so that the oblique material is convenient to replace, and the problems that the overall structure of a tower is slightly deformed, the relative position of the mounting hole of the oblique material is changed and the installation is difficult when the oblique material is replaced are solved.
Drawings
FIG. 1 is a schematic structural diagram of an angle steel tower material replacing tool according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an angle steel tower section changing tool according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a clamping portion of an angle steel tower material replacing tool according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a connecting rod of an angle steel tower material replacing tool according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a handle of an angle steel tower material replacement tool according to an embodiment of the present invention.
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.
Referring to fig. 1 and fig. 2, which are a schematic structural diagram and a cross-sectional view of an angle steel tower material replacing tool provided by the embodiment of the present invention, respectively, the angle steel tower material replacing tool includes a handle 1, two connecting rods 2, and two clamping portions 3; one end of the handle 1 is in threaded connection with one end of one connecting rod 2, and the other end of the handle 1 is in reverse threaded connection with one end of the other connecting rod 2; the other ends of the two connecting rods 2 are respectively and correspondingly movably connected with the clamping part 3, and the clamping part 3 is used for clamping the angle steel tower material.
Specifically, the angle steel tower material replacing tool comprises a handle 1, two connecting rods 2 and two clamping parts 3; wherein, the one end of handle 1 and the one end threaded connection of a connecting rod 2, the other end of handle 1 and the reverse threaded connection of one end of another connecting rod 2, because the screw thread opposite direction of 1 both ends of handle and two connecting rod 2 threaded connection, so can realize that handle 1 drives both sides connecting rod 2 reverse motion, two connecting rods 2 can be simultaneously to central indentation promptly, perhaps stretch out to both ends simultaneously. The other end of two connecting rods 2 corresponds respectively with a clamping part 3 swing joint, clamping part 3 can rotate in a flexible way round the other end of connecting rod 2 promptly, makes things convenient for angle regulation and distance. The clamping part 3 is used for clamping the angle steel tower material. After the old angle steel is dismantled, due to the action of force, the whole structure of the tower is slightly deformed, the relative positions of the mounting holes at the two ends of the original angle steel can be changed, and the new angle steel is difficult to mount in the mounting process. The clamping part 3 of the tower material replacing tool can clamp two main materials at the mounting position, so that the deformation of the whole structure of the tower is reduced, and the tower material replacing tool is convenient to mount.
According to the angle steel tower material replacing tool provided by the embodiment of the invention, in the replacement of the oblique material of the angle steel tower, the position of the mounting hole of the oblique material is adjusted by clamping the two main materials of the angle steel tower, so that the replacement of the oblique material is convenient, and the problems that the whole structure of a tower is slightly deformed, the relative position of the mounting hole of the oblique material is changed and the installation is difficult when the oblique material is replaced are solved.
As an improvement of the above scheme, the clamping part 3 comprises a clamping body 4, a rubber pad 5, a slack adjuster 6 and a spherical hinge body 7; the clamping body 4 is a concave body formed by surrounding three plates, the outer side of one of the two opposite plates is provided with a connecting lug, and the plate is provided with a through hole along the direction vertical to the plate; the spherical hinge body 7 comprises a spherical body and a connecting part, the connecting part of the spherical hinge body 7 is connected with the connecting lug, and the spherical body of the spherical hinge body 7 is movably connected with the other end of the connecting rod 2; the rubber pad 5 is connected with the inner side of the clamping body 4, and the tightness adjuster 6 penetrates through the through hole to be connected with the rubber pad 5.
Specifically, referring to fig. 3, which is a schematic structural diagram of the clamping portion 3 of the angle steel tower material replacement tool provided in the embodiment of the present invention, the clamping portion 3 includes a clamping body 4, a rubber pad 5, a slack adjuster 6, and a spherical hinge 7; wherein, centre gripping body 4 is the concave type body that three plate enclosed and close and forms, and the outside that has a plate in two relative plates in position is equipped with the engaging lug to the through-hole has been seted up along the direction of this plate of perpendicular to this plate. The spherical hinge body 7 comprises a spherical body and a connecting part, the connecting part of the spherical hinge body 7 is connected with the connecting lug, and the spherical body of the spherical hinge body 7 is movably connected with the other end of the connecting rod 2; rubber pad 5 is connected with 4 inboards of centre gripping body, and when pressing from both sides tight angle steel, rubber pad 5 plays the effect of protection angle steel, avoids the destruction to the angle steel galvanizing coat. The elastic adjuster 6 passes through the through hole and is connected with the rubber pad 5. Preferably, the number of the engaging lug, the through hole, the connecting portion of the ball hinge 7 and the slack adjuster 6 is two. The two elastic adjusters 6 respectively penetrate through the corresponding through holes and are connected with the rubber pad 5. Two connecting parts of the spherical hinge body 7 are respectively fixedly connected with one corresponding connecting lug.
In another embodiment, the outer side of one of the two opposite plates is provided with a connecting lug, the other plate is provided with a through hole along the direction vertical to the plate, and the elastic adjuster 6 penetrates through the through hole to be connected with the rubber pad 5. That is, the engaging lug and the slack adjuster 6 are not disposed in the same direction but in opposite directions.
As an improvement of the scheme, the tightness adjuster 6 is a tubular body, an external thread is arranged at one end of the tubular body, an internal thread is arranged in the through hole, a hole is formed in the position, right opposite to the through hole, of the rubber pad 5, and the tightness adjuster 6 penetrates through the through hole and then is connected with the hole in an inserting mode.
Specifically, the slack adjuster 6 is a tubular body, one end of the slack adjuster is provided with an external thread, an internal thread is arranged in the through hole, the rubber pad 5 is provided with a hole at a position opposite to the through hole, and the slack adjuster 6 penetrates through the through hole and then is inserted into the hole. When the tightness adjuster 6 is rotated, the rubber pad 5 can be driven to move, and the clamping and loosening actions of the clamping part 3 are realized. To facilitate the rotation of the slack adjuster 6, a gripping facilitating member, such as a fork, may be provided at the other end of the slack adjuster 6.
As an improvement of the above scheme, a threaded hole is formed in the other plate of the two opposite plates along a direction perpendicular to the plate, and a bolt passes through the threaded hole and then is connected with the rubber pad 5.
Specifically, a threaded hole is formed in the other plate of the two opposite plates along a direction perpendicular to the plate, a bolt penetrates through the threaded hole and then is connected with the rubber pad 5, and the rubber pad 5 attached to the other plate can be fixed to the inner side of the clamping portion 3.
As an improvement of the scheme, one end of the connecting rod 2 is provided with an external thread, the other end of the connecting rod is provided with a spherical hinge hole 8, and the spherical hinge hole 8 is connected with a sphere of the spherical hinge body 7 in a matched mode.
Specifically, referring to fig. 4, which is a schematic structural diagram of a connecting rod 2 of the angle steel tower material replacement tool according to the embodiment of the present invention, one end of the connecting rod 2 is provided with an external thread, and the external thread is matched with an internal thread of a handle 1. The other end of the connecting rod 2 is provided with a spherical hinge hole 8, and the spherical hinge hole 8 is connected with the sphere of the spherical hinge hole 8 in a matching way. The spherical hinge hole 8 of the connecting rod 2 is connected with the spherical hinge hole 8 of the clamping part 3, so that the connecting rod 2 and the clamping part 3 can flexibly rotate, and the clamping angle of a tower material replacing tool can be conveniently adjusted.
As an improvement of the scheme, the handle 1 is of a hollow tubular structure, a plurality of annular bosses 9 are arranged in the handle 1, threads are arranged on the bosses 9, and the direction of the threads at one end of the handle 1 is opposite to that of the threads at the other end of the handle 1.
Specifically, referring to fig. 5, which is a schematic structural diagram of the handle 1 of the angle steel tower material replacement tool provided by the embodiment of the present invention, the handle 1 is a hollow tubular structure, a plurality of annular bosses 9 are provided inside the handle 1, and the bosses 9 are provided with threads, that is, the annular bosses 9 can enclose one end of the connecting rod 2. The thread direction of one end of the handle 1 is opposite to that of the other end of the handle 1. The annular boss 9 is arranged for reducing the machining process of a tower material replacing tool, the required process is high due to the fact that the internal thread is arranged inside the handle 1, the precision is high, and machining of the thread can be reduced due to the fact that the boss 9 is additionally arranged. Preferably, the number of the bosses 9 is four, two bosses are provided at each end of the handle 1, and when the handle 1 is connected with the connecting rod 2, the connecting rod 2 is connected with the two bosses 9 as far as possible.
The invention further provides a use method of the angle steel tower material replacing tool, which comprises the following steps:
removing the old angle steel positioned on the inclined material in the angle steel tower, and installing and fixing one side of the new angle steel through a bolt;
clamping one main material on one side of the new angle steel by one clamping part 3 of the tower material replacing tool, rotating the handle 1, and adjusting the distance between the two clamping parts 3 of the tower material replacing tool so that the other main material on one side of the new angle steel is clamped by the other clamping part 3 of the tower material replacing tool;
the handle 1 is rotated again, the length of the tower material replacing tool is finely adjusted, the mounting hole of the tower material is adjusted to a proper position, and the other side of the new angle steel is also mounted and fixed through the bolt;
the clamping portion 3 of the tower material replacement tool is separated from the main material, and the tower material replacement tool is removed.
Specifically, when the diagonal member needs to be replaced, the old angle steel positioned at the upper position of the diagonal member in the angle steel tower is firstly detached, after the old angle steel is detached, the whole structure of the tower is slightly deformed due to the action of force, and the installation positions of the two ends of the original angle steel, namely the relative positions of the installation holes at the two ends, can be changed. At the moment, one side of the new angle steel is fixedly installed through the bolt, the other side of the new angle steel is difficult to install due to the fact that the installation position changes, and at the moment, a tool needs to be replaced by means of a tower material.
Clamping one main material on one side of the new angle steel by one clamping part 3 of the tower material replacing tool, rotating the handle 1, and adjusting the distance between the two clamping parts 3 of the tower material replacing tool so as to enable the other main material on one side of the new angle steel to be clamped by the other clamping part 3 of the tower material replacing tool. In other words, the two main members on the side corresponding to the position of the angle steel to be replaced are clamped by the two clamping portions 3 of the tower material replacement tool.
And the handle 1 is rotated again, so that the connecting rod 2 retracts towards the center or extends towards two sides, and the extension and the contraction of the whole tool are realized. Because the clamping part 3 of instrument presss from both sides tightly with the main material, so when instrument length changes, the powerful shaft tower that is used for makes its overall structure take place to warp, can finely tune the length that the instrument was changed to the tower material, adjusts the mounting hole of tower material to suitable position to make the mounting hole of tower material align with the mounting hole of new angle steel opposite side, also pass through bolt installation with the opposite side of new angle steel and fix.
The clamping part 3 of the tower material replacing tool is separated from the main material, and the tower material replacing tool is detached to complete the replacement.
That is, in practical use, one end of the new angle steel is usually installed through a bolt, then the tool of the invention is used for adjusting the position of the other installation hole, and the new angle steel is fixed through the bolt after being suitable.
In summary, according to the angle steel tower material replacement tool and the use method provided by the embodiment of the invention, in the diagonal material replacement of the angle steel tower, the position of the mounting hole of the diagonal material is adjusted by clamping the two main materials of the angle steel tower, so that the replacement of the diagonal material is facilitated, and the problems that the overall structure of a tower is slightly deformed, the relative position of the mounting hole of the diagonal material is changed and the installation is difficult when the diagonal material is replaced are solved. The tool has a pure mechanical structure, light weight and simple operation.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A tower material replacing tool of an angle steel tower is characterized by comprising a handle, two connecting rods and two clamping parts; one end of the handle is in threaded connection with one end of one connecting rod, and the other end of the handle is in reverse threaded connection with one end of the other connecting rod; the other ends of the two connecting rods are respectively and correspondingly movably connected with the clamping part, and the clamping part is used for clamping the angle steel tower material.
2. The angle steel tower material replacement tool of claim 1, wherein the clamping portion comprises a clamping body, a rubber pad, a slack adjuster, and a spherical hinge; the clamping body is a concave body formed by surrounding three plates, the outer side of one of the two opposite plates is provided with a connecting lug, and the plate is provided with a through hole along the direction vertical to the plate; the spherical hinge body comprises a spherical body and a connecting part, the connecting part of the spherical hinge body is connected with the connecting lug, and the spherical body of the spherical hinge body is movably connected with the other end of the connecting rod; the rubber pad is connected with the inner side of the clamping body, and the tightness adjuster penetrates through the through hole to be connected with the rubber pad.
3. The angle steel tower material replacing tool according to claim 2, wherein the slack adjuster is a tubular body, one end of the slack adjuster is provided with an external thread, the through hole is internally provided with an internal thread, the rubber pad is provided with a hole at a position opposite to the through hole, and the slack adjuster penetrates through the through hole and then is inserted into the hole.
4. The angle steel tower material replacing tool as claimed in claim 2, wherein the other plate of the two opposite plates is provided with a threaded hole along a direction perpendicular to the plate, and a bolt is connected with the rubber pad after passing through the threaded hole.
5. The angle steel tower material changing tool according to claim 2, wherein one end of the connecting rod is provided with an external thread, and the other end of the connecting rod is provided with a ball hinge hole, and the ball hinge hole is in fit connection with a ball body of the ball hinge body.
6. The angle steel tower material replacing tool according to claim 1, wherein the handle is a hollow tubular structure, a plurality of annular bosses are arranged in the handle, threads are arranged on the bosses, and the direction of the threads at one end of the handle is opposite to the direction of the threads at the other end of the handle.
7. Use of the angle tower replacement tool according to any one of claims 1 to 6, comprising the steps of:
removing the old angle steel positioned on the inclined material in the angle steel tower, and installing and fixing one side of the new angle steel through a bolt;
clamping one main material on one side of the new angle steel by one clamping part of the tower material replacing tool, rotating a handle, and adjusting the distance between the two clamping parts of the tower material replacing tool so as to enable the other clamping part of the tower material replacing tool to clamp the other main material on one side of the new angle steel;
the handle is rotated again, the length of the tower material replacing tool is finely adjusted, the mounting hole of the tower material is adjusted to a proper position, and the other side of the new angle steel is also mounted and fixed through the bolt;
separating the clamping portion of the tower material replacement tool from the main material, and removing the tower material replacement tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011070116.4A CN112252806A (en) | 2020-09-30 | 2020-09-30 | Angle steel tower material replacing tool and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011070116.4A CN112252806A (en) | 2020-09-30 | 2020-09-30 | Angle steel tower material replacing tool and using method |
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| Publication Number | Publication Date |
|---|---|
| CN112252806A true CN112252806A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011070116.4A Pending CN112252806A (en) | 2020-09-30 | 2020-09-30 | Angle steel tower material replacing tool and using method |
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| CN (1) | CN112252806A (en) |
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| CA2154031A1 (en) * | 1995-07-17 | 1997-01-18 | Karl Li Wan Yan | Wr-pole |
| CN102061822A (en) * | 2010-11-18 | 2011-05-18 | 河南省电力公司南阳供电公司 | Temporary cross arm for replacing linear cement poles and application method thereof |
| CN103276941A (en) * | 2013-04-27 | 2013-09-04 | 国家电网公司 | Principal material replacing support assembly of electric transmission line tower |
| CN205617831U (en) * | 2016-04-25 | 2016-10-05 | 江苏建筑职业技术学院 | Rack pressed rod spare replacement device |
| CN109025459A (en) * | 2018-08-28 | 2018-12-18 | 国网山东省电力公司电力科学研究院 | A kind of power transmission tower main material anti-corrosive apparatus and anti-corrosion method with reinforcement effect |
| CN110439349A (en) * | 2019-07-11 | 2019-11-12 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of iron tower in power transmission line material deformation support drawing resetting apparatus |
| CN209653459U (en) * | 2019-01-26 | 2019-11-19 | 广州市中港建设工程有限公司 | Building construction reinforcing wall structure |
| CN210828555U (en) * | 2019-07-11 | 2020-06-23 | 国网辽宁省电力有限公司朝阳供电公司 | Transmission line iron tower material warp props draws resetting means |
| CN210947986U (en) * | 2019-10-24 | 2020-07-07 | 安徽汀阳电力设备有限公司 | Device is changed to iron tower owner material |
| CN213297375U (en) * | 2020-08-31 | 2021-05-28 | 四川省秭源建设工程有限公司 | Adjustable iron tower assembling tool |
-
2020
- 2020-09-30 CN CN202011070116.4A patent/CN112252806A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2154031A1 (en) * | 1995-07-17 | 1997-01-18 | Karl Li Wan Yan | Wr-pole |
| CN102061822A (en) * | 2010-11-18 | 2011-05-18 | 河南省电力公司南阳供电公司 | Temporary cross arm for replacing linear cement poles and application method thereof |
| CN103276941A (en) * | 2013-04-27 | 2013-09-04 | 国家电网公司 | Principal material replacing support assembly of electric transmission line tower |
| CN205617831U (en) * | 2016-04-25 | 2016-10-05 | 江苏建筑职业技术学院 | Rack pressed rod spare replacement device |
| CN109025459A (en) * | 2018-08-28 | 2018-12-18 | 国网山东省电力公司电力科学研究院 | A kind of power transmission tower main material anti-corrosive apparatus and anti-corrosion method with reinforcement effect |
| CN209653459U (en) * | 2019-01-26 | 2019-11-19 | 广州市中港建设工程有限公司 | Building construction reinforcing wall structure |
| CN110439349A (en) * | 2019-07-11 | 2019-11-12 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of iron tower in power transmission line material deformation support drawing resetting apparatus |
| CN210828555U (en) * | 2019-07-11 | 2020-06-23 | 国网辽宁省电力有限公司朝阳供电公司 | Transmission line iron tower material warp props draws resetting means |
| CN210947986U (en) * | 2019-10-24 | 2020-07-07 | 安徽汀阳电力设备有限公司 | Device is changed to iron tower owner material |
| CN213297375U (en) * | 2020-08-31 | 2021-05-28 | 四川省秭源建设工程有限公司 | Adjustable iron tower assembling tool |
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Application publication date: 20210122 |