CN114412264A - Attached type self-adaptive herringbone holding rod rigid supporting device on tower - Google Patents
Attached type self-adaptive herringbone holding rod rigid supporting device on tower Download PDFInfo
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- CN114412264A CN114412264A CN202111623748.3A CN202111623748A CN114412264A CN 114412264 A CN114412264 A CN 114412264A CN 202111623748 A CN202111623748 A CN 202111623748A CN 114412264 A CN114412264 A CN 114412264A
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- supporting device
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- holding
- herringbone
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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
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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
Abstract
The invention discloses a rigid supporting device for an attached self-adaptive herringbone holding rod on a tower, and belongs to the technical field of auxiliary equipment for a high-pressure tower assembling construction method. The rigid supporting device of the attached type self-adaptive herringbone holding pole on the tower comprises a lattice holding pole, a lattice holding pole clamping structure, a fixed supporting device, the herringbone holding pole and an end connecting device, wherein two ends of the herringbone holding pole are respectively connected with the fixed supporting device and the end connecting device, and a steel cable connecting block is arranged on the end connecting device. The structural symmetry of the rigid supporting device of the attached type self-adaptive herringbone holding pole on the tower is arranged on the inner side of the lower crank arm and extends outwards close to a 'K' node, so that large-angle steel cable stay wire restraint can be provided for a main holding pole, the length of the herringbone holding pole and each articulated sub device can be adjusted to be adaptive to the wine cup towers with different widths, the problem that the large-angle stay wire restraint is provided for the main holding pole in a high-altitude mountain area without enough places is solved, and the safety guarantee is provided for the whole construction of the wine cup towers.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment for a high-pressure tower assembling construction method, in particular to an attached type self-adaptive herringbone holding rod rigid supporting device on a tower.
Background
In the power transmission line infrastructure in high-altitude mountain areas, due to the limitation of the environment, no large enough place provides large-angle external stay wire restraint for the main holding pole of the wine glass tower, and when the tower material is lifted, the main holding pole faces the risk of violent shaking and even collapse.
The existing high-pressure tower auxiliary equipment has the defects that:
patent document CN111997430A discloses a high tower for line crossing in the construction of extra-high voltage transmission lines and an assembling method thereof, which comprises an electric tower body, wherein the electric tower body comprises a base, a tower body and a tower head which are sequentially arranged from bottom to top, the base, the tower body and the tower head comprise 4 support legs which are uniformly distributed along the circumferential direction, angle steel connected with two adjacent support legs through bolts is arranged between two adjacent support legs along the vertical direction on the tower body, and the upper end and the lower end of two adjacent support legs at the same horizontal height on the tower body are provided with connecting steel bars for connecting the two adjacent support legs. When the high tower for line crossing in the construction of the ultra-high voltage transmission line is assembled, the labor intensity of electric power construction personnel is preferably reduced, and the construction working hours of the high tower for line crossing in the construction of the ultra-high voltage transmission line can be preferably reduced. These tower construction methods are complicated to operate, have high technical requirements, and cannot be adapted to tower types of different heights. The problem that the main holding pole is difficult to support and the tower type is adaptive needs to be solved by newly designing a set of rigid supporting device of the attached type adaptive herringbone holding pole on the tower.
Disclosure of Invention
The invention aims to provide a rigid supporting device for an attached type self-adaptive herringbone holding pole on a tower, which aims to solve the problems of difficult support of a main holding pole and self-adaptation of a tower type in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a rigid supporting device of an attached self-adaptive herringbone holding pole on a tower comprises a lattice holding pole, a lattice holding pole clamping structure, a fixed supporting device and an end connecting device; the lattice type holding rod is fixed on the edge of the inner side of the lower crank arm through a lattice type holding rod clamping structure, the fixed supporting device is connected with the lattice type holding rod through a pin shaft, and two ends of the herringbone holding rod are respectively connected with the fixed supporting device and the end connecting device.
Preferably, the lattice type holding pole is arranged on the inner side of the lower crank arm below the node K; the lattice type holding pole main body structure is formed by connecting a transverse material, a main material and an oblique material, two ends of the lattice type holding pole are bundled and fixed through holding pole caps, and the top end of each holding pole cap is provided with a connecting hole used for being connected with a fixed supporting device.
Preferably, the "K" node is a connection point of the projection of the upper crank arm and the lower crank arm of the wine glass tower on the vertical plane.
Preferably, the pole clamping structure is embraced to lattice formula includes centre gripping base, centre gripping briquetting and fixed briquetting, the centre gripping base is used for lattice formula to embrace the pole and the connection of crank arm down is fixed, embraces pole cap department at the both ends of lattice formula armful pole with lattice formula armful pole clamping structure through two centre gripping briquettings, and the rethread bolted connection is fixed briquetting and centre gripping base and is embraced the pole with lattice formula and be fixed in the edge of crank arm inboard down.
Preferably, the fixed supporting device comprises a connecting base, a connecting pin shaft, an axe-shaped connecting block, a fork-shaped connecting block and a U-shaped fixing block. The connecting base is composed of two rib plates and a bottom plate, a through hole is formed in the bottom plate, the bottom plate can be hinged to the lattice type holding rod through a pin shaft, and the rib plates are provided with two pin shaft fixing holes and are connected with one end of the axe-shaped connecting block through connecting pin shafts. The other end of the axe-shaped connecting block is connected with the fork-shaped connecting block and the connecting sleeve; the axe-shaped connecting block is connected with the connecting sleeve in a hinge mode through a pin shaft; the U-shaped fixed block is fixed on the connecting sleeve through welding; the forked connecting block is fixed on the U-shaped fixing block through a nut and limited by a limiting pin.
Preferably, the connecting base can rotate around the axis of the hinge pin shaft to enable the axis of the connecting pin shaft to be parallel to the horizontal plane, so that the axe-shaped connecting block arranged at the end part of the herringbone holding rod can be vertically inserted into the connecting base, and the axe-shaped connecting block does not interfere with the connecting base when the herringbone holding rod is placed from a vertical state to a horizontal state.
Preferably, the herringbone holding rod comprises a supporting rod and a connecting sleeve, and the connecting sleeve is riveted at two ends of the supporting rod respectively; the supporting rod can freely stretch and contract to adjust the length of the rod.
Preferably, the end connecting device comprises a main connecting block, a sleeve connecting block and a steel cable connecting block, and the main connecting block is approximately cuboid; the two sleeve connecting blocks are welded on one surface of the long end of the main connecting block together and are used for hinging the end connecting device with the connecting sleeve; the cable wire connecting block welds in the center of main connecting block towards that one side in sky, and the face of weld of sleeve connecting block and cable wire connecting block is adjacent, the cable wire connecting block is equipped with the cable wire connecting hole, can hold the pole for the owner and provide the cable wire restraint of acting as go-between.
Preferably, an included angle formed by the steel cable connected between the steel cable connecting block and the main holding pole in the horizontal direction is not more than 60 degrees.
Preferably, the parts of the auxiliary rigid support means are made of high strength steel.
Compared with the prior art, the invention has the beneficial effects that:
the rigid supporting device of the tower-attached type self-adaptive herringbone holding rod is directly arranged on the inner side of a lower crank arm of a wine glass tower and close to a K node, the front side and the rear side of the lower crank arm are unfolded, and the rigid supporting device is connected with a steel cable of a main holding rod through a steel cable connecting block of the rigid supporting device, so that large-angle stay wire restraint is provided for the main holding rod, the problem that the main holding rod is difficult to support in a high-altitude mountain area is solved, the length of the herringbone holding rod and the positions of various sub assembly devices which are hinged can be adjusted through the rigid supporting device, the rigid supporting device can be self-adaptive to wine glass towers with different heights, the integral construction efficiency in the process of combining wine glass towers is improved, and the construction quality of combined towers is not influenced
Drawings
FIG. 1 is an isometric view of an attached adaptive herringbone derrick rigid support apparatus on a tower according to one embodiment of the invention;
FIG. 2 is a front view of a wine glass tower according to one embodiment of the present invention;
FIG. 3 is an isometric view of a lattice mast according to one embodiment of the present invention;
FIG. 4 is a partial view of a stationary support portion according to one embodiment of the present invention;
FIG. 5 is a partial view of a top attachment portion of one embodiment of the present invention;
FIG. 6 is a front view of a schematic diagram of a main holding pole hoisting operation according to an embodiment of the present invention;
FIG. 7 is a side view of a schematic diagram of a main derrick hoisting operation according to an embodiment of the present invention
In the figure: 1. a lower crank arm; 2. a lattice-type holding pole; 3. a lattice-type holding pole clamping structure; 4. fixing the supporting device; 5. a herringbone holding rod; 6. an end connection device; 7. an upper crank arm; 8. a main holding pole; 9. a wire rope pull; 10. the tower is provided with an attached type self-adaptive herringbone holding rod rigid supporting device; 101. a rim inside the lower crank arm; 201. a transverse material; 202. a main material; 203. oblique material; 204. a pole holding cap; 301. clamping a pressing block; 302. a clamping base; 303. fixing a pressing block; 401. a connection base; 402. connecting a pin shaft; 403. an axe-shaped connecting block; 404. a forked connecting block; 405. a U-shaped fixing block; 501. a connecting sleeve; 502. a support bar; 601. a sleeve connecting block; 601. a steel cable connecting block; 603. and a main connecting block.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1: referring to fig. 1, an embodiment of the present invention: the assembly stage of the rigid supporting device of the attached self-adaptive herringbone holding pole on the tower:
the invention relates to an attached type self-adaptive herringbone holding pole rigid supporting device 10 on a tower, which comprises a lower crank arm 1, a lattice holding pole 2, a lattice holding pole clamping structure 3, a fixed supporting device 4, a herringbone holding pole 5 and an end part connecting device 6, wherein the lower crank arm is connected with the lower crank arm; the lattice type holding pole 2 is fixed on the inner side of the lower crank arm 1 through a lattice type holding pole clamping structure 3, the fixed supporting device 4 is connected with the lattice type holding pole 2 through a pin shaft, and two ends of the herringbone holding pole 5 are respectively connected with the fixed supporting device 4 and the end part connecting device 6.
The tower attached adaptive double helical derrick rigid support device 10 in fig. 1 shows an assembly drawing of only one side of the lower crank arm 1, that is, only one set of tower attached adaptive double helical derrick rigid support devices 10 in fig. 1, and the same set of lattice derrick clamping structures 3, fixed support devices 4, double helical derrick 5 and end connection devices 6 are still assembled on the other side of the lower crank arm 1, that is, the other end of the lattice derrick 2.
Example 2: referring to fig. 2, an embodiment of the present invention: the joint of the lower crank arm 1 and the upper crank arm 7 is a 'K' node; the inner side of the lower crank arm below the 'K' node is the installation position of the tower attached type self-adaptive herringbone holding pole rigid supporting device 10.
Example 3: referring to fig. 4, an embodiment of the present invention: the lattice pole holding structure 3 includes centre gripping briquetting 301, centre gripping base 302 and fixed briquetting 303, centre gripping base 302 is used for the lattice to hold pole 3 and crank arm 1's connection down fixed, holds pole holding structure 3 with the bolt fastening at the pole cap 204 department of embracing of lattice pole through bolted connection's two centre gripping briquettings 303, and rethread bolted connection fixed briquetting 303 and centre gripping base 302 are fixed in lattice pole 2 on the inboard rim 101 of crank arm down, there is a hollow square pipe in the inboard rim 101 of crank arm down for increase joint strength, prevent that the inboard rim 101 of crank arm from the atress deformation damage down.
Example 4: referring to fig. 5, an embodiment of the present invention: the fixed supporting device 4 comprises a connecting base 401, a connecting pin 402, an axe-shaped connecting block 403, a fork-shaped connecting block 404 and a U-shaped fixing block 405. The connecting base 401 is composed of two rib plates and a bottom plate, a through hole is formed in the bottom plate, the through hole can be fixed on the lattice type holding pole 2 through a pin shaft, and the rib plates are provided with two pin shaft fixing holes and are connected with one end of the axe-shaped connecting block 403 through two connecting pin shafts 402. The other end of the axe-shaped connecting block 403 is connected with the fork-shaped connecting block 404 and the connecting sleeve 501; the U-shaped fixing block 405 is connected to the connecting sleeve 501 through welding; the long rod of the forked connecting block 404 is tapped with threads, and the forked connecting block can be fixed on the U-shaped fixing block 405 through nuts and limited by limiting pins.
Example 5: referring to fig. 4 and 5, an embodiment of the present invention: the herringbone holding pole 5 comprises a connecting sleeve 501 and a supporting pole 502, the connecting sleeve 501 is riveted at two ends of the supporting pole 502, and a fork-shaped end of the connecting sleeve 501 is hinged with the axe-shaped connecting block 403 and the sleeve connecting block 601 through a pin shaft;
as shown in fig. 5, the end connection device 6 includes a sleeve connection block 601, a wire rope connection block 602, and a main connection block 603, which is substantially rectangular; the two sleeve connecting blocks 601 are welded on one surface of the long end of the main connecting block 603 and used for connecting the end connecting device 6 with the connecting sleeve 501; the cable connecting block 602 is welded to the center of the side of the main connecting block 603 facing the sky, and is used for pulling the cable wires 9.
Example 6: referring to fig. 6, an embodiment of the present invention: the main holding pole 8 is positioned at the center of the wine glass tower, namely the assembly center of the lower crank arm 1 and the upper crank arm 7, and the tower attached type self-adaptive herringbone holding pole rigid supporting device 10 is installed on the inner side of the lower crank arm 1.
Example 7: referring to fig. 7, an embodiment of the present invention: the steel cable stay wire 9 is used for connecting the main holding pole 8 and the attached type self-adaptive herringbone holding pole rigid supporting device 10 on the tower, and the included angle between the steel cable stay wire 9 and the horizontal direction needs to be controlled within 60 degrees.
The working principle is that the installation step of the rigid supporting device of the attached self-adaptive herringbone holding pole on the tower is as follows: firstly, the mounting position of a lattice-type holding pole 2 is determined according to the height calculation of an assembled wine glass tower, the lattice-type holding pole 2 is fixed on a lower crank arm 1 by using a lattice-type holding pole clamping structure 3, a connecting base 401 and the lattice-type holding pole 2 are connected by using a pin shaft, and the connecting base 401 is adjusted in a rotating mode to enable the axes of two rib plate fixing holes of the base to be parallel to a horizontal plane and then fixed, so that a subsequently mounted herringbone holding pole 5 is ensured to be parallel to the horizontal plane; the end connecting device 6 is connected with the herringbone holding pole 5 on the ground, and the length of the herringbone holding pole 5 is adjusted to reach the length required by calculation by adjusting the length of the supporting rod 502; the angle between the two supporting rods 502 of the herringbone holding rod 5 is controlled to meet the installation requirement by adjusting the installation and rotation angle of the connecting sleeve 501 hinged at the end part connecting device 6; the other end of the supporting rod 502 is sequentially provided with a connecting sleeve 501, a U-shaped connecting block 405, a forked connecting block 404 and an axe-shaped connecting block 403, all connected parts are fixed, the compasses-shaped axe-shaped connecting block 403 with two open feet of the herringbone holding rod is a toe, and then the herringbone holding rod 5 is vertically lifted to a mounting position by a steel cable. The axe-shaped connecting block 403 is vertically inserted between two rib plates of the connecting base 401 and then fixed by a connecting pin shaft 402, a steel cable is slowly lowered to enable the herringbone holding rod 5 to be changed from a vertical state to a horizontal state, and the other connecting pin shaft 402 is inserted into the fixed herringbone holding rod 5 to complete the installation of the attached type self-adaptive herringbone holding rod rigid supporting device on the tower;
the working stage of the attached self-adaptive herringbone holding rod rigid supporting device on the tower is as follows:
as shown in figures 6 and 7, when the rigid supporting device 10 of the tower-attached type self-adaptive herringbone holding rod is assembled on the inner side of the lower crank arm 1, the length of the herringbone holding rod is adjusted, and the positions of all the articulated sub-devices are adjusted, so that the necessary working conditions on the wine glass tower are met.
After the attached type self-adaptive herringbone holding pole rigid supporting devices 10 on the towers are adjusted, the attached type self-adaptive herringbone holding pole rigid supporting devices 10 on the towers are connected with the main holding pole 8 through the steel cable pull wires 9, and the attached type self-adaptive herringbone holding pole rigid supporting devices 10 on the two groups of towers and the steel cable pull wires 9 form a triangle in the projection perpendicular to the horizontal plane. The stress analysis shows that the rigid support device 10 of the attached self-adaptive herringbone holding pole on the tower provides a good support effect for the main holding pole 8 and provides a safety guarantee for the whole construction of the wine glass tower.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides an on-tower attached type self-adaptation herringbone derrick rigid support device which characterized in that: the clamping device comprises a lattice type holding pole, a lattice type holding pole clamping structure, a fixed supporting device and an end part connecting device; the lattice type holding rod is fixed on the edge of the inner side of the lower crank arm through a lattice type holding rod clamping structure, the fixed supporting device is connected with the lattice type holding rod through a pin shaft, and two ends of the herringbone holding rod are respectively connected with the fixed supporting device and the end connecting device.
2. The tower-attached type self-adaptive herringbone derrick rigid supporting device of claim 1, is characterized in that: the lattice type holding pole is arranged on the inner side of the lower crank arm below the K node; the lattice type holding pole main body structure is formed by connecting a transverse material, a main material and an oblique material, two ends of the lattice type holding pole are bundled and fixed through holding pole caps, and the top end of each holding pole cap is provided with a connecting hole used for being connected with a fixed supporting device.
3. The tower-attached type self-adaptive herringbone derrick rigid supporting device of claim 1, is characterized in that: the 'K' node is a connection point of the projections of the upper crank arm and the lower crank arm of the wine glass tower on the horizontal plane.
4. The tower-attached type self-adaptive herringbone derrick rigid supporting device of claim 1, is characterized in that: the lattice type pole holding structure comprises a holding base, a holding pressing block and a fixing pressing block, wherein the holding base is used for fixing the lattice type pole holding structure at two ends of the lattice type pole holding structure, the lattice type pole holding structure is fixed at the two ends of the lattice type pole holding structure through the two holding pressing blocks, and the lattice type pole holding structure is fixed on the edge of the inner side of the lower crank arm through the fixing pressing block and the holding base which are connected through bolts.
5. The tower-attached type self-adaptive herringbone derrick rigid supporting device of claim 1, is characterized in that: the fixed supporting device comprises a connecting base, a connecting pin shaft, an axe-shaped connecting block, a fork-shaped connecting block and a U-shaped fixing block. The connecting base is composed of two rib plates and a bottom plate, a through hole is formed in the bottom plate, the bottom plate can be hinged to the lattice type holding rod through a pin shaft, and the rib plates are provided with two pin shaft fixing holes and are connected with one end of the axe-shaped connecting block through connecting pin shafts. The other end of the axe-shaped connecting block is connected with the fork-shaped connecting block and the connecting sleeve; the axe-shaped connecting block is connected with the connecting sleeve in a hinge mode through a pin shaft; the U-shaped fixed block is fixed on the connecting sleeve through welding; the forked connecting block is fixed on the U-shaped fixing block through a nut and limited by a limiting pin.
6. The tower-attached type self-adaptive herringbone derrick rigid supporting device of claim 1, is characterized in that: the connecting base can rotate around the axis of the hinge pin shaft to enable the axis of the connecting pin shaft to be parallel to the horizontal plane, and therefore the axe-shaped connecting block mounted at the end of the herringbone holding rod can be guaranteed not to interfere with the connecting base when the axe-shaped connecting block can be vertically inserted into the connecting base and the herringbone holding rod is placed in a horizontal state from a vertical state.
7. The tower-attached type self-adaptive herringbone derrick rigid supporting device of claim 1, is characterized in that: the herringbone holding rod comprises a supporting rod and a connecting sleeve, and the connecting sleeve is riveted at two ends of the supporting rod respectively; the supporting rod can freely stretch and contract to adjust the length of the rod.
8. The tower-attached type self-adaptive herringbone derrick rigid supporting device of claim 1, is characterized in that: the end connecting device comprises a main connecting block, a sleeve connecting block and a steel cable connecting block, wherein the main connecting block is approximately cuboid; the two sleeve connecting blocks are welded on one surface of the long end of the main connecting block together and are used for hinging the end connecting device with the connecting sleeve; the cable wire connecting block welds in the center of main connecting block towards that one side in sky, and the face of weld of sleeve connecting block and cable wire connecting block is adjacent, the cable wire connecting block is equipped with the cable wire connecting hole, can hold the pole for the owner and provide the cable wire restraint of acting as go-between.
9. The tower-attached type self-adaptive herringbone derrick rigid supporting device of claim 1, is characterized in that: the included angle formed by the steel cable connected between the steel cable connecting block and the main holding pole in the horizontal direction is not more than 60 degrees.
10. The tower-attached type self-adaptive herringbone derrick rigid supporting device of claim 1, is characterized in that: the parts of the auxiliary rigid supporting device are made of high-strength steel.
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| CN202111623748.3A CN114412264B (en) | 2021-12-28 | 2021-12-28 | Attached self-adaptive herringbone holding pole rigid supporting device on tower |
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| CN202111623748.3A CN114412264B (en) | 2021-12-28 | 2021-12-28 | Attached self-adaptive herringbone holding pole rigid supporting device on tower |
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| 刘利平;康万东;谢胜利;文维东;朴焕发;: "辅助人字抱杆在酒杯型角钢塔横担上的移动技术研究" * |
| 刘建平;: "铰接抱杆在酒杯塔组立中的应用分析" * |
| 岑阿毛;: "日本顶升式抱杆立塔" * |
| 江全才;叶翔;黄成;覃金彩;钱颖;: "利用悬浮式内摇臂抱杆分解组塔的施工工艺" * |
| 程利军;刘宪敏;: "人字辅助抱杆配合中心悬浮主抱杆吊装1000kV酒杯塔横担施工技术的研究" * |
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| CN114412264B (en) | 2023-06-02 |
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