CN116856267A - Wind resistance device suitable for double-deck truss - Google Patents
Wind resistance device suitable for double-deck truss Download PDFInfo
- Publication number
- CN116856267A CN116856267A CN202310939242.6A CN202310939242A CN116856267A CN 116856267 A CN116856267 A CN 116856267A CN 202310939242 A CN202310939242 A CN 202310939242A CN 116856267 A CN116856267 A CN 116856267A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- adjacent
- double
- bridge deck
- longitudinal beams
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000005265 energy consumption Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses an anti-wind device suitable for a double-layer truss, which belongs to the technical field of truss girder bridges and comprises an upper bridge deck and a lower bridge deck, wherein cross beams are arranged at the bottoms of the upper bridge deck and the lower bridge deck, longitudinal beams fixed with the upper bridge deck and the lower bridge deck are arranged at the two sides of the cross beams, a plurality of vertically arranged web members are arranged between vertically adjacent longitudinal beams, diagonal bracing members are arranged between the adjacent web members, and the two ends of each diagonal bracing member and each web member are fixedly connected with the adjacent longitudinal beams; the inclined stay bar is provided with a connecting cylinder parallel to the inclined stay bar, both ends of the inside of the connecting cylinder are both in sliding connection with a transmission rod, the peripheral side of the transmission rod is provided with a wavy annular groove, both ends of the connecting cylinder are both in rotary connection with a coaxial supporting sleeve, the outer side of the supporting sleeve is provided with blades, and a plurality of bulges extending into the annular groove are arranged inside the supporting sleeve; the side walls of the longitudinal beams are respectively provided with a plurality of hydraulic energy dissipation devices connected with the transmission rods; the invention aims to solve the problem that the safety performance of the existing double-layer truss bridge is reduced due to wind-induced effect.
Description
Technical Field
The invention belongs to the technical field of truss girder bridges, and particularly relates to an anti-wind device suitable for a double-layer truss.
Background
With the rapid development of transportation, bridge engineering has also undergone many changes. The double-layer truss girder bridge not only has the advantage of fully and reasonably utilizing natural space, but also saves more construction materials and construction cost, has good environmental protection, economy and sustainable development, and therefore, is widely available.
However, the double-deck truss girder bridge has a more complex structure due to its higher height, so that vibration induced by wind-induced effects is more threatening to the double-deck truss girder.
Disclosure of Invention
In view of the above, the invention discloses an anti-wind device suitable for a double-layer truss, which aims to solve the problem that the safety performance of the existing double-layer truss bridge is reduced due to wind-induced effect.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an anti-wind device suitable for double-deck truss, includes bridge floor and lower bridge floor, bridge floor and lower bridge floor bottom all are provided with the crossbeam, the crossbeam both sides all are provided with the longeron fixed with bridge floor, lower bridge floor, are provided with the web member of a plurality of vertical settings between the vertical adjacent longeron, are provided with the diagonal brace between the adjacent web member, diagonal brace, web member both ends are all fixed with adjacent longeron connection; the connecting device comprises a diagonal brace, wherein a connecting barrel is arranged on the diagonal brace in parallel with the diagonal brace, two ends of the inside of the connecting barrel are both in sliding connection with a transmission rod, wavy annular grooves are formed in the periphery of the transmission rod, two ends of the connecting barrel are both in rotary connection with coaxial supporting sleeves, blades are arranged on the outer sides of the supporting sleeves, and a plurality of protrusions extending into the annular grooves are arranged in the supporting sleeves; and the side walls of the longitudinal beams are respectively provided with a plurality of hydraulic energy dissipation devices connected with the transmission rods.
In the scheme, when wind blows to the double-layer truss, the wind drives the supporting sleeve to rotate relative to the connecting cylinder through the blades, and when the supporting sleeve rotates, the transmission rod moves reversely and reciprocally along the axial direction of the connecting cylinder through the cooperation of the annular groove and the bulge, so that the wind force borne by the inclined strut in the radial direction is basically converted into the axial force, the influence of the wind on the inclined strut is reduced, and the inclined strut is prevented from being damaged; meanwhile, when the transmission rod reciprocates, the hydraulic energy dissipation device is utilized to consume energy, the kinetic energy born by the double-layer truss can be reduced, and meanwhile, the flow-around form near the double-layer truss can be effectively changed, so that vibration of the double-layer truss bridge caused by wind-induced effect is restrained.
Further, the blades are arc-shaped, the bending directions of the blades at the two ends of the same connecting cylinder are opposite, and the bending directions of the blades at the end parts of the adjacent connecting cylinders are opposite; the connecting cylinder is characterized in that a plurality of transmission gears are rotatably connected to the outer wall of the connecting cylinder, the transmission gears are located between adjacent support sleeves, and teeth meshed with the transmission gears are arranged at opposite ends of the support sleeves.
In this scheme, because the blade bending direction at same connecting cylinder both ends is opposite, the intrados drives the support sleeve forward rotation of connecting cylinder one end and drives the transfer line motion and trigger hydraulic energy dissipation device and do work, and this support sleeve passes through the meshing of drive gear and drives the support sleeve reverse rotation of connecting cylinder other end, and this support sleeve reverse rotation triggers corresponding hydraulic energy dissipation device again and do work, when improving power consumption efficiency, this support sleeve drives corresponding blade rotation, produce the air current opposite to the wind direction, make and form the vortex, the nearby detouring form of more effectual change double-deck truss bridge improves the vibration suppression effect of double-deck truss bridge. Meanwhile, the bending directions of the blades at the end parts of the adjacent connecting cylinders are opposite, so that the turbulence directions generated at the end parts of the adjacent connecting cylinders are different, and the capability of changing the flow around form near the double-layer truss is remarkably improved.
Further, the hydraulic energy consumption device comprises two hydraulic cylinders which are fixedly connected with the longitudinal beam and parallel to the longitudinal beam, hydraulic rods are arranged between the adjacent hydraulic cylinders, two ends of each hydraulic rod are distributed and extend into the corresponding hydraulic cylinder and are in sliding connection with the corresponding hydraulic cylinder, and the end parts of the hydraulic rods are provided with first hydraulic plates; the middle part of the hydraulic rod is provided with a through groove, the end part of the transmission rod penetrates through the through groove, the transmission rod is hinged with a guide rod which is obliquely arranged, and one end of the guide rod is hinged with the end part of the through groove; the horizontally adjacent hydraulic rods move in opposite directions.
In the scheme, when the transmission rod reciprocates, the guide rod drives the hydraulic rod to reciprocate horizontally, and the first hydraulic plates at the two ends of the hydraulic rod synchronously move to consume hydraulic energy; in addition, because the bending direction of the blades at the end parts of the adjacent connecting cylinders is opposite, the movement directions of the transmission rods at the same end parts of the adjacent connecting cylinders are opposite, and then the movement directions of the horizontally adjacent hydraulic rods are opposite, namely, the acting force applied by the first hydraulic plate on one hydraulic rod to the liquid in the hydraulic cylinder is positive, the acting force applied by the first hydraulic plate on the adjacent hydraulic rod to the liquid in the hydraulic cylinder is reverse, and the vibration generated between the two acting forces is counteracted when being transmitted to the longitudinal beam, so that the vibration influence on the double-layer truss is reduced.
Further, a plurality of connecting shafts which are opposite to the hydraulic rods are arranged between the longitudinal beams, the end parts of the connecting shafts penetrate through the corresponding longitudinal beams and are in rotary connection with the corresponding longitudinal beams, coaxial driving gears are fixed at the two ends of the connecting shafts, and tooth shapes meshed with the driving gears are arranged on the hydraulic rods.
When wind horizontally and vertically blows to one side of the double-layer truss girder bridge, adjacent blades are blown to rotate, when the wind-resistant device is triggered to perform subsequent work, the wind-resistant device on the other side is not affected by wind force, and at the moment, the horizontal reciprocation of the hydraulic rod on one side of the double-layer truss drives the synchronous reciprocation of the hydraulic rod on the other side by utilizing the cooperation of the hydraulic rod, the driving gear and the connecting shaft, so that subsequent energy consumption is triggered, energy consumption efficiency is improved, and vibration suppression effect on the double-layer truss is enhanced.
Further, the blade is articulated with the support sleeve outer wall, and the articulated department is provided with the torsional spring, be provided with a plurality of limiting plates on the arc piece, limiting plate offsets with the extrados of adjacent blade.
Further, the inside hydraulic pressure chamber that is provided with of connecting cylinder, the opposite ends of transfer line all are fixed with the second hydraulic plate that stretches into the hydraulic pressure chamber, and the transfer line direction of motion in the same connecting cylinder is opposite.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a cross-sectional view of a support sleeve in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a hydraulic cylinder according to an embodiment of the present invention.
The figures are marked as follows: the hydraulic bridge comprises an upper bridge deck 1, a lower bridge deck 2, longitudinal beams 3, web members 4, diagonal braces 5, connecting cylinders 6, transmission rods 7, supporting sleeves 8, protrusions 9, annular grooves 10, blades 11, transmission gears 12, hydraulic cylinders 13, hydraulic plates 14, hydraulic plates 15, guide rods 16, connecting shafts 17, driving gears 18 and second hydraulic plates 19.
Detailed Description
As shown in fig. 1 to 4:
the utility model provides an anti-wind device suitable for double-deck truss, includes bridge deck 1 and lower bridge deck 2, bridge deck 1 and lower bridge deck 2 bottom all are fixed with the crossbeam, the crossbeam both sides all are fixed with bridge girder 3 of bridge deck 1, lower bridge deck 2 fixed connection, be provided with a plurality of vertical web members 4 that set up between the vertical adjacent longeron 3, be provided with diagonal brace 5 between the adjacent web member 4, diagonal brace 5, web member 4 both ends and adjacent longeron 3 welded fastening; the connecting rod comprises a connecting cylinder 6, wherein the connecting cylinder 6 is arranged on the inclined support rod 5 in parallel with the connecting cylinder, a support (not shown in the figure) for supporting the connecting cylinder 6 is arranged between the inclined support rod 5 and the connecting cylinder 6, both ends inside the connecting cylinder 6 are slidably connected with a transmission rod 7, wavy annular grooves 10 are formed in the periphery of the transmission rod 7, both ends of the connecting cylinder 6 are rotatably connected with coaxial supporting sleeves 8, blades 11 are arranged on the outer sides of the supporting sleeves 8, and a plurality of protrusions 9 extending into the annular grooves 10 are integrally formed inside the supporting sleeves 8; and the side walls of the longitudinal beams 3 are respectively provided with a plurality of hydraulic energy dissipation devices connected with the transmission rods 7.
In the scheme, when wind blows to the double-layer truss, the supporting sleeve 8 is driven by the wind through the blades 11 to rotate relative to the connecting cylinder 6, and when the supporting sleeve 8 rotates, the transmission rod 7 moves back and forth along the axial direction of the connecting cylinder 6 through the cooperation of the annular groove 10 and the bulge 9, so that the wind force borne by the inclined strut 5 in the radial direction is basically converted into the axial force, the influence of the wind on the inclined strut 5 is reduced, and the inclined strut 5 is prevented from being damaged; meanwhile, the transmission rod 7 is utilized to reciprocate, and the hydraulic energy dissipation device is utilized to consume energy, so that the kinetic energy born by the double-layer truss can be reduced, the flow-around form near the double-layer truss can be effectively changed, and further vibration of the double-layer truss bridge caused by wind-induced effect is restrained.
In this embodiment, the blades 11 are arc-shaped, the bending directions of the blades 11 at two ends of the same connecting cylinder 6 are opposite, and the bending directions of the blades 11 at the end parts of adjacent connecting cylinders 6 are opposite; be provided with on the connecting cylinder 6 outer wall and rotate and be connected with a plurality of drive gears 12, be provided with the logical groove that is used for supplying drive gear 12 to be connected with connecting cylinder 6 on the support, drive gears 12 all are located between the adjacent support sleeve 8, all be provided with the tooth with drive gear 12 meshing on the support sleeve 8 opposite ends.
In this scheme, because the blade 11 at same connecting cylinder 6 both ends crooked opposite direction, the blade 11 of intrados orientation wind direction drives the support sleeve 8 forward rotation of connecting cylinder 6 one end and drives transfer line 7 motion and trigger hydraulic energy dissipation device and do work, and this support sleeve 8 drives the support sleeve 8 reverse rotation of connecting cylinder 6 other end through the meshing of drive gear 12, and this support sleeve 8 reverse rotation triggers corresponding hydraulic energy dissipation device and do work equally, when improving energy consumption efficiency, this support sleeve 8 drives corresponding blade 11 and rotates, produce the air current opposite to the wind direction, make and form the vortex, more effective change the nearby round flow form of double-deck truss, improve the vibration suppression effect of double-deck truss bridge. Meanwhile, the bending directions of the blades 11 at the end parts of the adjacent connecting cylinders 6 are opposite, so that the turbulence directions generated at the end parts of the adjacent connecting cylinders 6 are different, and the capability of changing the flow around form near the double-layer truss is remarkably improved.
In this embodiment, the hydraulic energy dissipation device includes two hydraulic cylinders 13 fixedly connected with the longitudinal beam 3 and parallel to the longitudinal beam, hydraulic rods are respectively disposed between adjacent hydraulic cylinders 13, two ends of each hydraulic rod extend into the corresponding hydraulic cylinder 13 and are slidably connected with the corresponding hydraulic cylinder 13, and the ends of each hydraulic rod are respectively provided with a first hydraulic plate 14; the middle part of the hydraulic rod is provided with a through groove, the end part of the transmission rod 7 passes through the through groove, the transmission rod 7 is hinged with a guide rod 16 which is obliquely arranged, and one end of the guide rod 16 is hinged with the end part of the through groove; the horizontally adjacent hydraulic rods move in opposite directions.
In the scheme, when the transmission rod 7 reciprocates, the guide rod 16 drives the hydraulic rod to reciprocate horizontally, and the first hydraulic plates 14 at the two ends of the hydraulic rod synchronously move to consume energy hydraulically; in addition, because the bending directions of the blades 11 at the end parts of the adjacent connecting cylinders 6 are opposite, the movement directions of the transmission rods 7 at the same end parts of the adjacent connecting cylinders 6 are opposite, and further, the movement directions of the horizontally adjacent hydraulic rods are opposite, namely, the acting force applied by the first hydraulic plate 14 on one hydraulic rod to the liquid in the hydraulic cylinder 13 is positive, the acting force applied by the first hydraulic plate 14 on the adjacent hydraulic rod to the liquid in the hydraulic cylinder 13 is reverse, and the vibration generated between the two acting forces is counteracted when being transmitted to the longitudinal beam 3, so that the vibration influence on the double-layer truss is reduced.
In this embodiment, a plurality of connecting shafts 17 facing the hydraulic rods are arranged between the longitudinal beams 3, the end parts of the connecting shafts 17 penetrate through the corresponding longitudinal beams 3 and are rotationally connected with the corresponding longitudinal beams, coaxial driving gears 18 are fixed at two ends of the connecting shafts 17, and tooth shapes meshed with the driving gears 18 are arranged on the hydraulic rods.
When wind horizontally and vertically blows to one side of the double-layer truss girder bridge, the adjacent blades 11 are blown to rotate, when the wind-resistant device is triggered to perform subsequent work, the wind-resistant device on the other side is not affected by wind force, and at the moment, the horizontal reciprocation of the hydraulic rod on one side of the double-layer truss drives the synchronous reciprocation of the hydraulic rod on the other side by utilizing the cooperation of the hydraulic rod, the driving gear 18 and the connecting shaft 17, so that the subsequent energy consumption is triggered, the energy consumption efficiency is improved, and the vibration suppression effect on the double-layer truss is enhanced.
In this embodiment, the blade 11 is hinged to the outer wall of the supporting sleeve 8, a torsion spring is arranged at the hinge position, and a plurality of limiting plates are arranged on the arc-shaped block and are abutted against the outer cambered surface of the adjacent blade 11; the blade 11 is supported by the limiting plate, the blade 11 can deflect towards the intrados direction of the blade 11, so that the blade 11 can deflect and pass through when contacting with the diagonal brace 5, the gap between the wind resistance device and the diagonal brace 5 is reduced, meanwhile, the air flow generated during rotation of the blade 11 is reduced, and the radial acting force on the diagonal brace 5 caused by overlarge air flow is avoided.
In this embodiment, a hydraulic cavity is provided inside the connecting cylinder 6, and opposite ends of the transmission rod 7 are respectively fixed with a second hydraulic plate 19 extending into the hydraulic cavity, so that the motion directions of the transmission rods 7 in the same connecting cylinder 6 are opposite.
Through forming multistage power consumption with the aforesaid structure, because the transmission pole 7 in same connecting cylinder 6 the direction of movement is opposite, the distance between the second hydraulic pressure pole changes efficiency effectively increase, under the same circumstances of hydraulic pressure chamber sectional area, the hydraulic pressure that causes changes efficiency faster, and energy consumption efficiency is higher promptly.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. Wind resistance device suitable for double-deck truss, its characterized in that: the bridge girder comprises an upper bridge deck and a lower bridge deck, wherein cross beams are arranged at the bottoms of the upper bridge deck and the lower bridge deck, longitudinal beams fixed with the upper bridge deck and the lower bridge deck are arranged on two sides of each cross beam, a plurality of vertically arranged web members are arranged between vertically adjacent longitudinal beams, diagonal bracing members are arranged between the adjacent web members, and two ends of each diagonal bracing member and two ends of each web member are fixedly connected with the adjacent longitudinal beams; the connecting device comprises a diagonal brace, wherein a connecting barrel is arranged on the diagonal brace in parallel with the diagonal brace, two ends of the inside of the connecting barrel are both in sliding connection with a transmission rod, wavy annular grooves are formed in the periphery of the transmission rod, two ends of the connecting barrel are both in rotary connection with coaxial supporting sleeves, blades are arranged on the outer sides of the supporting sleeves, and a plurality of protrusions extending into the annular grooves are arranged in the supporting sleeves; and the side walls of the longitudinal beams are respectively provided with a plurality of hydraulic energy dissipation devices connected with the transmission rods.
2. A wind resistant apparatus for a double deck truss as defined in claim 1 wherein: the blades are arc-shaped, the bending directions of the blades at the two ends of the same connecting cylinder are opposite, and the bending directions of the blades at the end parts of the adjacent connecting cylinders are opposite; the connecting cylinder is characterized in that a plurality of transmission gears are rotatably connected to the outer wall of the connecting cylinder, the transmission gears are located between adjacent support sleeves, and teeth meshed with the transmission gears are arranged at opposite ends of the support sleeves.
3. A wind-resistant apparatus for double-deck trusses according to claim 2, characterized in that: the hydraulic energy consumption device comprises two hydraulic cylinders which are fixedly connected with the longitudinal beam and parallel to the longitudinal beam, hydraulic rods are arranged between the adjacent hydraulic cylinders, two ends of each hydraulic rod extend into the corresponding hydraulic cylinder in a distributed mode and are connected with the corresponding hydraulic cylinder in a sliding mode, and first hydraulic plates are arranged at the ends of each hydraulic rod; the middle part of the hydraulic rod is provided with a through groove, the end part of the transmission rod penetrates through the through groove, the transmission rod is hinged with a guide rod which is obliquely arranged, and one end of the guide rod is hinged with the end part of the through groove; the horizontally adjacent hydraulic rods move in opposite directions.
4. A wind resistant apparatus for a double deck truss according to claim 3, wherein: a plurality of connecting shafts which are opposite to the hydraulic rods are arranged between the longitudinal beams, the end parts of the connecting shafts penetrate through the corresponding longitudinal beams and are connected with the corresponding longitudinal beams in a rotating mode, coaxial driving gears are fixed at two ends of the connecting shafts, and tooth shapes meshed with the driving gears are arranged on the hydraulic rods.
5. A wind resistant apparatus for a double deck truss as defined in claim 4 wherein: the blade is articulated with the outer wall of the supporting sleeve, a torsional spring is arranged at the articulated position, a plurality of limiting plates are arranged on the arc-shaped block, and the limiting plates are propped against the outer cambered surfaces of the adjacent blades.
6. A wind resistant apparatus for a double deck truss as defined in claim 5 wherein: the connecting cylinder is internally provided with a hydraulic cavity, the opposite ends of the transmission rod are respectively fixed with a second hydraulic plate extending into the hydraulic cavity, and the motion directions of the transmission rods in the same connecting cylinder are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310939242.6A CN116856267A (en) | 2023-07-28 | 2023-07-28 | Wind resistance device suitable for double-deck truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310939242.6A CN116856267A (en) | 2023-07-28 | 2023-07-28 | Wind resistance device suitable for double-deck truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116856267A true CN116856267A (en) | 2023-10-10 |
Family
ID=88232145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310939242.6A Pending CN116856267A (en) | 2023-07-28 | 2023-07-28 | Wind resistance device suitable for double-deck truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116856267A (en) |
-
2023
- 2023-07-28 CN CN202310939242.6A patent/CN116856267A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101737270B (en) | Extra-large-size vertical-shaft wind power generation device | |
| CN108431402B (en) | Vertical axis wind turbine with shielding blade supporting piece | |
| CN102032120B (en) | Heavy wind-resistant expandable cable-tower wind driven generator | |
| US20230055344A1 (en) | Bottom corner damper with displacement amplification function and fabricated type shear wall with rocking energy dissipation | |
| CN206302372U (en) | A kind of photovoltaic tracking system | |
| CN207905981U (en) | A kind of tital generator | |
| CN201865838U (en) | Wind turbine combining lift force and resistance force | |
| CN116856267A (en) | Wind resistance device suitable for double-deck truss | |
| CN209978416U (en) | Heliostat support with corner brace | |
| CN202001194U (en) | Strong wind-resisting deployable cable and tower-shaped wind driven generator | |
| CN108396721B (en) | Liftable anti-icing device suitable for truss spud leg self-elevating ocean platform | |
| CN217105194U (en) | Novel fan tower section of thick bamboo-jacket changeover portion structure | |
| CN201474872U (en) | Machine head positioning device for wind driven generator | |
| CN115370219B (en) | Wind-resistant type power transmission tower structure | |
| CN110068161B (en) | Heliostat support with corner support | |
| CN211377957U (en) | Photovoltaic tracking support | |
| CN211228046U (en) | Trestle structure for telescopic trestle system | |
| CN115370219A (en) | Wind-resistant transmission tower structure | |
| CN101514679A (en) | Blade of vertical wind driven generator | |
| CN113772068A (en) | Wing type sail navigation aid capable of transversely opening | |
| CN112081262A (en) | Multiple displacement amplification connecting mechanism and self-balancing composite energy dissipation system | |
| CN216269851U (en) | Movable sail | |
| CN220809713U (en) | Wing-shaped sail device with stepless lifting function | |
| RU2269028C2 (en) | Rotor windmill | |
| CN117514594A (en) | Vertical shaft folding type wind driven generator blade set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |