CN210530450U - Steel strand external stay rope structural system for wind tower - Google Patents
Steel strand external stay rope structural system for wind tower Download PDFInfo
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- CN210530450U CN210530450U CN201920990054.5U CN201920990054U CN210530450U CN 210530450 U CN210530450 U CN 210530450U CN 201920990054 U CN201920990054 U CN 201920990054U CN 210530450 U CN210530450 U CN 210530450U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 238000013016 damping Methods 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 30
- 238000002955 isolation Methods 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000005299 abrasion Methods 0.000 claims abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 9
- 238000004873 anchoring Methods 0.000 claims description 11
- 230000000452 restraining effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 25
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 8
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 8
- 241001330002 Bambuseae Species 0.000 abstract description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 8
- 239000011425 bamboo Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 208000035874 Excoriation Diseases 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011513 prestressed concrete Substances 0.000 description 3
- 230000002421 anti-septic effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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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- 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
- Y02E10/728—Onshore wind turbines
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Abstract
A steel strand body outer stay cable structural system for a wind tower comprises a steel strand stay cable, an isolation anti-abrasion device, a restraint damping device and a base conversion support assembly, wherein the isolation anti-abrasion device comprises an anti-abrasion sleeve, an isolation sleeve and a heat-shrinkable sleeve; the restraint damping device comprises two half-type clamping plates and a hinged damping rod; in an installation state, the foundation conversion support assembly is pre-buried and poured in foundation concrete of the tower barrel, the upper end of a steel strand inhaul cable is locked at a base plate of the tower top platform through an upper end anchorage assembly, and the tail end of a steel strand inhaul cable body penetrates into a supporting barrel hole of the foundation conversion support assembly and is anchored through a tensioning end anchorage assembly; the isolation anti-abrasion device is positioned at the corner structure of the tower top; the restraint damping device is installed at the lofting position of a tower section of thick bamboo and steel strand wires cable. The system is beneficial to installation and construction of a tower top narrow space structure, good in anti-seismic effect, capable of ensuring construction quality of the stay cable and prolonging service life of the stay cable.
Description
Technical Field
The utility model relates to a wind is prestressed cable for the tower, especially relates to a wind is outer guy cable structural system of steel strand body for tower.
Background
In recent years, with the vigorous development of the wind power industry, related wind power matching technologies are also improved, the construction of wind towers for wind power generation becomes a key technology for improving the power generation rate, and the prestress technology used in the existing ultra-high concrete wind towers is emphasized and applied.
The existing prestressed wind tower structure is divided into an in-vivo prestressed concrete tower barrel and an in-vitro prestressed concrete tower barrel, the construction cost of a wind power tower barrel becomes the focus of attention of investment companies, and how to effectively and quickly construct the tower barrel forms high-efficiency construction quality and becomes a joint point for controlling the cost; the advantages of the external prestressed concrete tower barrel are favored abroad, and are mainly reflected in the aspects of convenient installation, low cost and convenient maintenance; however, for the multi-section spliced ultra-high concrete tower barrel structure, a structural inflection point exists at the top end of the tower barrel, and a prestressed stay cable arranged in the tower has an installation oblique angle and may interfere with the tower wall, so that how to construct in a narrow space, ensure the prestressed transmission between the stay cable and the tower barrel foundation, resist earthquake and the like is a technical problem which needs to be solved by a person skilled in the art.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a be fit for the outer cable structure system of a steel strand wires body for wind tower that the structure system of multistage concatenation formula concrete high tower section of thick bamboo matches, this outer cable structure system of steel strand wires for wind tower is the steel strand wires cable system that adopts extrusion anchor and clamping piece crowd anchor combination formula anchor mode, is favorable to the installation of the narrow and small space structure in top of the tower, and cable tensioning end has designed a cable force conversion equipment, realizes the prestressing force transmission of cable and tower section of thick bamboo basis, is favorable to the high-efficient construction of single stretch-draw, realizes effectively combining and the conversion of prestressing force and tower section of thick bamboo, the utility model provides a preparation mounting method of this outer cable structure system of steel strand wires for wind tower simultaneously, make wind tower construction site construction convenient, greatly reduced construction cost.
The technical scheme for solving the problems is as follows: the utility model provides a wind is external cable structural system of steel strand wires for tower, includes cable, basic conversion bracket component, its characterized in that: the steel strand external stay cable structural system for the wind tower further comprises an isolation anti-abrasion device;
the isolation anti-abrasion device consists of an anti-abrasion sleeve, an isolation sleeve and a heat-shrinkable sleeve, wherein the anti-abrasion sleeve made of wear-resistant and soft rubber materials is sleeved outside the inhaul cable, and the isolation sleeve is arranged on a plurality of points of the excircle steel strand and is fixed by the heat-shrinkable sleeve;
the steel strand inhaul cable is a combined anchoring structure system, an upper anchorage assembly of the steel strand inhaul cable is an integral anchor head, and an tensioning end anchorage assembly of the steel strand inhaul cable is a single loose cable type clamping anchoring structure;
the basic conversion support assembly used as the anchoring support frame of the lower anchor point consists of an upper support plate, a lower support plate, a support sleeve, a support cylinder, an upper locking nut, a support screw and a lower locking nut, wherein the support screw adopts a full-thread mode and is arranged between the upper support plate and the lower support plate as the support sleeve of the mounting stress support point of the anchorage device at the tensioning end;
in an installation state, the foundation conversion support assembly is pre-buried and poured in foundation concrete of the tower barrel, the upper end of a steel strand inhaul cable is locked at a base plate of the tower top platform through an upper end anchorage assembly, and the tail end of a steel strand inhaul cable body penetrates into a supporting barrel hole of the foundation conversion support assembly and is anchored through a tensioning end anchorage assembly; the isolation wear prevention device is positioned at the tower top corner structure.
The further technical scheme is as follows: the steel strand external stay cable structural system for the wind tower further comprises a restraining and damping device; the restraining and damping device comprises two half-type clamping plates and a hinged damping rod, the two half-type clamping plates are used for regularly bundling and forming the steel strands to be restrained, the two half-type clamping plates are connected through screw assemblies to form a regular hexagon structure, one end of the hinged damping rod is fixedly connected with one of the two half-type clamping plates, and the other end of the hinged damping rod is connected with the wall of the tower barrel in a hinged connection mode; under the installation state, restraint damping device installs the lofting position at tower section of thick bamboo and steel strand wires cable.
The further technical scheme is as follows: the hinged damping rod is in a synthetic structure form that the inner layer is a spring and the outer layer is damping rubber.
Due to the structure, the utility model discloses an outer cable structure system of drawing of steel strand body for wind tower "has following beneficial effect:
the utility model provides a, be favorable to the installation of the narrow and small space structure in top of the tower, ensured the improvement of convenient operability and construction quality of cable stretch-draw:
the utility model relates to a steel strand external stay cable structure system for wind tower, which is a steel strand stay cable system adopting the combined anchoring mode of extrusion anchor and clip group anchor, wherein the anchorage device of the upper anchorage device component 1 has short and compact structure size, which is beneficial to the installation of the upper tower cylinder with small structure space; the steel strand stretching at the stretching end anchorage assembly 6 is implemented by adopting a single equal stretching construction method, and the convenience in operation and the improvement in construction quality of the stay cable stretching are ensured by adopting light construction equipment and a high-precision cable force control system; secondly, the manufacturing cost and the construction cost of the inhaul cable are reduced, the anchoring of steel strands with different hole sites and different grades can be realized, the flexible scheme adjustment is realized, the construction efficiency can be improved, and the significance of shortening the construction period is realized (see the figures 2 and 6)
Secondly, the construction quality of the inhaul cable is ensured, and the service life of the prestressed inhaul cable is prolonged:
super high type concrete tower section of thick bamboo structure can have structural flex point in tower section of thick bamboo top department, and the prestressing force cable that sets up in the tower has the installation oblique angle to probably take place to interfere with the tower wall, the utility model discloses an outer cable structure system's of steel strand body isolation wear proof device subassembly is an isolated form abrasionproof and decreases the structure for wind tower, can effectively keep apart the cable body, avoids taking place the risk of steel strand PE wearing and tearing in tower section of thick bamboo corner, has ensured the construction quality of cable and has improved the life of prestressing force cable.
Thirdly, the shockproof effect is good:
the restraint damping device of the steel strand body external stay cable structural system for the wind tower is connected with the tower cylinder wall in a hinged connection mode; the hinged damping rod is designed by adopting a structure formed by damping rubber and a spring, has good damping and energy-absorbing functions, and can effectively reduce the vibration of the inhaul cable, thereby improving the fatigue of the inhaul cable and prolonging the service life of the inhaul cable; the two ways are hinged, the angle of the device can be freely adjusted in the installation process, and the device can conveniently follow the inhaul cable to realize angle adjustment in the normal swing amplitude.
Fourthly, the foundation conversion bracket component 5 of the steel strand body external stay cable structure system for the wind tower adopts a space structure design, can be arranged at any height and position of the foundation of the inner cavity of the tower barrel, and can also adjust the screw rod according to the length error of the stay cable, thereby avoiding the risk that the standard is not accurately installed due to the length error of the stay cable; in addition, the multi-part assembly type structure can also realize replacement and maintenance, and the structure of the space bracket also ensures that the tensioning space is more redundant than the free edge, so that the construction operation space is more spacious.
To sum up, the utility model discloses a wind tower is with outer guy cable structural system of steel strand body not only solved narrow and small prestressing force installation space demand of wind power tower cylinder spatial structure, realized quick installation, but also the special type prestressing force system of wind-powered electricity generation of reducible cost. In addition, the stay cable adopts a steel bar component to connect the conversion component, so that the connection between the tower barrel and the prestress is realized, the prestress is ensured to be transmitted to the tower barrel foundation, and the wind-cutting bending resistance stress of the multi-section spliced tower barrel is stabilized; meanwhile, the special isolation type abrasion-proof structure can effectively isolate the outer cable, avoid the risk of abrasion of the steel strand PE at the corner of the tower drum, ensure the construction quality of the cable and improve the service life of the prestressed cable; the restraint damping device can effectively reduce the vibration of the stay cable, thereby improving the fatigue of the stay cable and prolonging the service life of the stay cable; the construction quality of the inhaul cable is ensured, and the service life of the prestressed inhaul cable is prolonged.
The technical features of the present invention, a steel strand body external stay cable structure system for wind tower, will be further explained with reference to the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic view of the overall structure of a steel strand external stay cable structure system for a wind tower according to the present invention;
FIG. 2 is a schematic structural view of an upper anchor assembly;
3-1-3-2 are schematic structural views of the isolation wear prevention device;
FIG. 3-1: front view, fig. 3-2: FIG. 3-1 is a top view;
FIG. 4 is a schematic view of a restraint cushioning device;
FIG. 5 is a schematic view of a basic transition support assembly;
FIG. 6 is a schematic structural view of a tension end anchor assembly;
FIGS. 7 to 8 are schematic diagrams after the installation step B1 of cable installation construction pulls and lifts the installation step of the cable;
FIG. 9 is a schematic view showing a state after the restraining and shock absorbing device is installed in the installation step B2 of the cable installation construction;
FIG. 10 is a schematic view showing the state after the antiseptic treatment and the protective cover installation in the installation step B3 of the cable installation construction. In the figure:
1-upper end anchorage assembly, 11-nut, 12-extrusion anchor head;
2-steel strand stay cable, 21-cable body;
3-isolating anti-wear device, 31-anti-wear sleeve, 32-isolating sleeve, 33-heat shrinking sleeve;
4-constraint damping device, 41-hinged damping rod, 42-screw assembly, 43-two-half splint;
5-basic conversion bracket assembly, 51 a-upper support plate, 51 b-lower support plate, 52-support sleeve;
53-support cylinder, 54-upper lock nut, 55-support screw rod, 56-lower lock nut;
6-an anchorage device component at the tensioning end,
61-sealing cylinder, 62-anchor plate, 63-clamping piece, 64-protective cover, 65-anticorrosive material;
7-a concrete tower barrel, 71-a tower top structure, 72-an anchoring area at the top of a wind tower, 73-a cable penetrating hole;
81-hoisting traction device, 82-traction pulley and 83-traction cable;
9-cable releasing disc.
Detailed Description
A steel strand external stay cable structural system for a wind tower comprises:
as shown in fig. 1, the steel strand external guy cable structure for wind tower comprises a combined anchor structure system guy cable, an isolation wear-proof device 3, a restraint damping device 4 and a foundation conversion bracket component 5;
the steel strand inhaul cable 2 is a combined anchoring structure system and consists of a plurality of steel strand inhaul cable bodies 21, an upper end anchorage device assembly 1 and a tensioning end anchorage device assembly 6, wherein the upper end anchorage device assembly 1 is an integral anchor head, and the tensioning end anchorage device assembly 6 is a single scattered cable type clamping anchoring structure;
the upper end anchorage assembly 1 comprises a nut 11 and an extrusion anchor head 12, and external threads are turned on the extrusion anchor head (see figure 2);
the tensioning end anchorage assembly 6 comprises a sealing cylinder 61, an anchor plate 62, a clamping piece 63 and a protective cover 64, and an anticorrosive material 65 (see fig. 6) is poured into the protective cover 64;
the isolation anti-abrasion device 3 consists of an anti-abrasion sleeve 31, an isolation sleeve 32 and a heat-shrinkable sleeve 33, the anti-abrasion sleeve 31 made of wear-resistant and soft rubber materials is sleeved outside the inhaul cable, and the isolation sleeve 32 is arranged at a plurality of points of the outer round steel stranded wire and fixed through the heat-shrinkable sleeve 33; the anti-wear sleeve 31 is positioned and prevented from falling (see figures 3-1-3-2);
the restraining and damping device 4 comprises two half-type clamping plates 43 and a hinged damping rod 41, the two half-type clamping plates 43 are used for carrying out regular bundling forming restraint on the steel strands, the two half-type clamping plates 43 are connected through a screw assembly 42 to form a regular hexagon structure, regular bundling forming restraint on the steel strands is realized, one end of the hinged damping rod 41 is fixedly connected with the two half-type clamping plates 43, and the other end of the hinged damping rod 41 is connected with the wall of the tower barrel in a hinged connection mode; the hinged damping rod is designed by adopting a structure formed by damping rubber and a spring, and can be mounted at multiple angles in a hinged mode; when the inhaul cable rotates along with the fan, the vibration of the inhaul cable can be buffered and absorbed through the hinged vibration absorption rod 41 on the restraint device, and therefore the effect of reducing the vibration of the inhaul cable is achieved.
As shown in fig. 5, the basic conversion bracket assembly 5 functioning as an anchor support of a lower anchor point is composed of upper and lower support plates 51a, 51b, a support sleeve 52, a support cylinder 53, an upper lock nut 54, a support screw 55 and a lower lock nut 56, wherein the support screw 55 adopts a full-thread mode, the position of the anchor point of the support plate can be adjusted according to the length of the cable, and the support sleeve 52 serving as an installation stress support point of the tension-end anchor is arranged between the upper and lower support plates 51a, 51 b;
in the installation state, the foundation conversion support component 5 is pre-embedded and poured in the tower barrel foundation concrete, the upper end of a steel strand inhaul cable 2 is locked at a tower top platform base plate through an upper end anchorage component 1, and the tail end of a cable body of the steel strand inhaul cable 2 penetrates into a support cylinder hole 53 of the foundation conversion support component 5 and is anchored through a tensioning end anchorage component 6; the isolation anti-wear device 3 is positioned at the corner structure of the tower top; and the restraint damping device 4 is arranged at the lofting position of the tower barrel 7 and the steel strand inhaul cable 2 and restrains the steel strand.
The above embodiment is one of the best embodiments of the steel strand body external stay cable structural system for the wind tower of the utility model; as a transformation of the embodiment of the present invention, it is also possible to only adopt the isolation anti-wear device 3 or only adopt the restraint damping device 4, but the effect is not as good as that of installing the isolation anti-wear device 3 and the restraint damping device 4 at the same time.
A manufacturing and mounting method of a steel strand body external stay cable structure system for a wind tower comprises the following steps:
A. manufacturing a finished steel strand inhaul cable 2 with an upper anchorage assembly 1 as an integral extrusion type anchorage head:
B. installation and construction:
b1, pulling and lifting an installation cable (see figures 7-8);
b2, mounting a constraint damping device (see figure 9);
b3, antiseptic treatment and installation of protective covers (see fig. 10).
Since the manufacturing and installation method of the steel strand body external stay cable structural system for the wind tower does not belong to the protection scope of the utility model patent, the specific contents of the installation and manufacturing method are not repeated herein.
Claims (3)
1. The utility model provides a wind for tower steel strand wires external cable structural system, includes steel strand wires cable, basic conversion bracket component, its characterized in that: the steel strand external stay cable structural system for the wind tower further comprises an isolation anti-abrasion device (3);
the isolation anti-abrasion device (3) consists of an anti-abrasion sleeve (31), an isolation sleeve (32) and a heat-shrinkable sleeve (33), the anti-abrasion sleeve (31) made of wear-resistant and soft rubber materials is sleeved outside the inhaul cable, and the isolation sleeve (32) is arranged at several points of the outer round steel stranded wire and fixed through the heat-shrinkable sleeve (33);
the steel strand inhaul cable (2) is a combined anchoring structure system, an upper anchorage assembly (1) is an integral anchor head, and a tensioning end anchorage assembly (6) is a single loose cable type clamping anchoring structure;
the basic conversion support assembly (5) serving as an anchoring support frame of a lower anchor point consists of an upper support plate (51 a), a lower support plate (51 b), a support sleeve (52), a support cylinder (53), an upper locking nut (54), a support screw rod (55) and a lower locking nut (56), wherein the support screw rod (55) adopts a full-thread mode, and the support sleeve (52) serving as an installation stress support point of a tensioning-end anchorage device is arranged between the upper support plate (51 a) and the lower support plate (51 b);
in the installation state, a foundation conversion support assembly (5) is pre-buried and poured in tower drum foundation concrete, the upper end of a steel strand inhaul cable (2) is locked at a tower top platform base plate through an upper end anchorage assembly (1), and the tail end of a cable body of the steel strand inhaul cable (2) penetrates into a supporting cylinder hole of the foundation conversion support assembly (5) and is anchored through a tensioning end anchorage assembly (6); the isolation wear prevention device (3) is positioned at the tower top corner structure.
2. The external guy cable structural system of steel strand body for wind tower according to claim 1, wherein: the steel strand external stay cable structural system for the wind tower further comprises a restraining and damping device (4); the restraining and damping device (4) comprises two half-type clamping plates (43) and a hinged damping rod (41), the two half-type clamping plates (43) are used for regularly bundling and forming the steel strands to be restrained, the two half-type clamping plates (43) are connected through a screw assembly (42) to form a regular hexagon structure, one end of the hinged damping rod (41) is fixedly connected with one of the two half-type clamping plates (43), and the other end of the hinged damping rod (41) is connected with the wall of the tower barrel in a hinged connection mode;
in the installation state, the restraint damping device (4) is installed at the lofting position of the tower drum (72) and the steel strand inhaul cable (2).
3. The external guy cable structural system of claim 2, wherein: the hinged damping rod is in a synthetic structure form that the inner layer is a spring and the outer layer is damping rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990054.5U CN210530450U (en) | 2019-06-27 | 2019-06-27 | Steel strand external stay rope structural system for wind tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990054.5U CN210530450U (en) | 2019-06-27 | 2019-06-27 | Steel strand external stay rope structural system for wind tower |
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| Publication Number | Publication Date |
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| CN210530450U true CN210530450U (en) | 2020-05-15 |
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| CN201920990054.5U Withdrawn - After Issue CN210530450U (en) | 2019-06-27 | 2019-06-27 | Steel strand external stay rope structural system for wind tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259246A (en) * | 2019-06-27 | 2019-09-20 | 柳州欧维姆机械股份有限公司 | A kind of external stayed structure system of wind tower steel strand wires and its fabrication and installation method |
-
2019
- 2019-06-27 CN CN201920990054.5U patent/CN210530450U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259246A (en) * | 2019-06-27 | 2019-09-20 | 柳州欧维姆机械股份有限公司 | A kind of external stayed structure system of wind tower steel strand wires and its fabrication and installation method |
| CN110259246B (en) * | 2019-06-27 | 2024-03-19 | 柳州欧维姆机械股份有限公司 | Steel strand external stay rope structure system for wind tower and manufacturing and mounting method thereof |
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