WO2020159056A1 - Appareil de liaison de levage pour poteau et système de levage de poteau comprenant celui-ci - Google Patents

Appareil de liaison de levage pour poteau et système de levage de poteau comprenant celui-ci Download PDF

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Publication number
WO2020159056A1
WO2020159056A1 PCT/KR2019/016328 KR2019016328W WO2020159056A1 WO 2020159056 A1 WO2020159056 A1 WO 2020159056A1 KR 2019016328 W KR2019016328 W KR 2019016328W WO 2020159056 A1 WO2020159056 A1 WO 2020159056A1
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WO
WIPO (PCT)
Prior art keywords
link
pole
support
bar
guide
Prior art date
Application number
PCT/KR2019/016328
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English (en)
Korean (ko)
Inventor
김응욱
김인교
Original Assignee
주식회사 이스온
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 주식회사 이스온 filed Critical 주식회사 이스온
Publication of WO2020159056A1 publication Critical patent/WO2020159056A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F2700/00—Lifting apparatus
    • B66F2700/09—Other lifting devices

Definitions

  • the present invention relates to a pole elevating link device and a pole elevating system including the same.
  • CCTV poles or lighting towers are installed for the purpose of securing the safety of the people in a main industrial facility such as a port, an airport or a stadium, or a place used by a large number of users.
  • lighting towers are large-sized lighting facilities that are installed for night games or safety as facilities with a large area such as a playground or a performance hall. They are installed in a tower (tower) to illuminate the inside of a playground or a theater from a high position.
  • the tower itself is a single unit.
  • Patent Document 001 Korean Patent Publication No. 10-2017-0048075
  • the inventor of the applicant discloses such an elevating device, wherein a horizontally placed slide bar and a support roller link bar are combined, and a support roller spaced apart vertically is in close contact with the pole. It has a structure to be moved.
  • Patent Document 001 is a structure having four wires, and the four hoisters must act at the same speed at the same time. Otherwise, a problem may arise where the center of gravity is biased to one side.
  • Patent Document 001 is because the force to the wire is transmitted to the support roller through the rotating link bar, the auxiliary link bar, the supporting roller rotating rod, and the supporting roller link bar, the force cannot be properly transmitted to the supporting roller, so that the supporting roller cannot There may be a problem that is not strongly adhered to the outer peripheral surface. If the support roller is not strongly adhered to the outer circumferential surface of the pole, the elevating device may shake and malfunction in the moving process.
  • Patent Document 002 Korean Patent Registration No. 10-1903051
  • Patent Document 002 discloses a configuration in which a groove is formed in a horizontal frame, and a support roller is installed in the link portion to be in close contact with the pole.
  • This (patent document 002) is provided with a link portion separately at the top and bottom, as well as increasing the weight, and the wire is installed by being switched in multiple directions, which may cause a problem in that the wire is cut due to a breakdown or friction due to the separation of the wire.
  • wires are installed in each link portion, four wires must be installed, and eccentricity may occur when the length of the wire is not precisely controlled.
  • the present invention provides a lifting and lowering link device for a pole in which the support roller is strongly adhered to the outer circumferential surface of the pole and can reduce the occurrence of failure and weight.
  • the present invention provides a vertical linkage device for a pole that can stably move from a pole having a non-continuous step.
  • the present invention provides a lifting device for a pole that can prevent fall even when the wire rope is broken.
  • the elevating link device capable of elevating in the height direction of the pole includes a plurality of link assemblies including a guide bar having a guide groove extending in the height direction of the pole, and a plurality of link bars rotatably installed.
  • a plurality of roller support bars connected to the spaced apart link assemblies, support rollers rotatably installed on the roller support bars, support rings fixed to the roller support bars and connected to a wire rope, and the link assembly being inserted into the guide bar
  • the link assembly is provided with a guide member that moves up and down along the guide groove and a pivot support fixed to the guide bar.
  • the link assembly the upper link portion consisting of two upper link rods intersecting, and the upper link portion is composed of two lower link rods rotatably coupled to the upper link portion, the lower link disposed below the upper link portion
  • a roller support bar may be installed at a portion including the upper link portion and the lower link portion, an upper portion of the upper link portion, and a lower portion of the lower link portion.
  • the guide member may be installed at a portion where the upper link bars are combined.
  • pivot support may be installed at a portion where the lower link bars are combined.
  • the support rollers have a structure in which the cross-sectional area gradually decreases toward the center in the longitudinal direction, and grooves are formed in the center of the support rollers in the longitudinal direction, and the grooves of the support rollers disposed at the top of the support rollers
  • the silver may be formed wider and deeper than the grooves of the support rollers disposed below.
  • the support ring is installed in the groove of the support roller disposed at the top, and the support ring may be installed so as not to contact the outer peripheral surface of the pole.
  • the upper link bar includes a second bar portion that is bent at the first bar portion at a portion where the first bar portion and the upper link rods intersect, but is curved in a direction toward the outside of the support, and the upper link rod.
  • the support ring may be installed directly on the ring support bar.
  • the length from the portion where the upper link rods are joined to the bottom of the upper link rod may be formed longer than the length from the portion where the upper link rods are joined to the top of the upper link rod.
  • the pole elevating system according to another aspect of the present invention, a pole placed on the ground, including an elevating link device that moves up and down along the pole, the elevating link device, the height direction of the pole
  • a guide bar having a guide groove connected to a plurality of link assemblies including a plurality of link bars rotatably installed, a plurality of roller support bars connected to the spaced link assemblies, a support roller rotatably installed on the roller support bars, It includes a housing fixed to the roller support bar and connected with a wire rope, and a housing in which the link assembly is inserted but coupled with the guide bar.
  • the pole includes a stepped connection portion with an upper portion protruding more than a lower portion
  • the link assembly includes an upper link portion composed of two upper link rods intersecting and two lower link rods rotatably coupled to the upper link portion. It is made of, including a lower link portion disposed under the upper link portion, the upper link portion and the lower link portion is coupled to the upper portion of the upper link portion and the lower roller portion, respectively, a roller support bar is installed
  • the support rollers have a structure in which the cross-sectional area gradually decreases toward the center in the longitudinal direction, and grooves are formed in the center of the support rollers in the longitudinal direction, and the grooves of the support rollers disposed at the top of the support rollers are Support rings can be installed.
  • the pole system further includes a wire rope braking device that secures the wire when the wire is cut, and the wire rope braking device is capable of rotating with respect to the braking portion and the base plate for selectively braking the wire rope.
  • the rotation bracket is mounted, the tension detection unit including a rotation pulley mounted to the rotation bracket to movably support the wire rope, and an elastic unit to rotate the rotation bracket in one direction, and the rotation movement of the tension detection unit. It includes a rotating link for transmitting the translational movement of the braking unit, the braking unit, a connecting bracket connected to the rotating link, a pair of wedge members horizontally connected to the connecting bracket, and the wire rope It may include a guide bracket for guiding the pair of wedge members to selectively brake.
  • the elevating link device of the pole of the present invention described above is one part of the link assembly is fixed to the guide bar, the other part is installed to be movable in the height direction to the guide bar, and the support ring is installed on the roller support bar so that the tension of the wire rope is Directly transferred to the link assembly, the support roller can be strongly adhered to the outer circumferential surface of the pole, and the two wire ropes can be used to stably support the elevating link device.
  • the support ring is installed on the support roller disposed on the top, and the support ring is installed to rotate together with the support roller, power can be transmitted to the link assembly through the support roller, and the support roller disposed on the top is free. Because it maintains, the support roller can stably rise or fall even in the discontinuous stepped portion.
  • FIG. 1 is a schematic configuration diagram of a pole lifting system according to an embodiment of the present invention.
  • Figure 2 is a perspective view showing a lifting link device according to an embodiment of the present invention.
  • Figure 3 is a cross-sectional view showing a lifting link device according to an embodiment of the present invention.
  • FIG. 4 is a side view showing a link assembly and a guide bar according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view showing a guide member according to an embodiment of the present invention.
  • FIG. 6 is a cross-sectional view showing a support roller according to an embodiment of the present invention.
  • FIG. 7 is a schematic configuration diagram of a wire rope braking device according to an embodiment of the present invention.
  • FIG. 8 is a perspective view showing a lower guide bracket and an upper guide bracket separately in a wire rope braking device according to an embodiment of the present invention.
  • FIG. 9 is a longitudinal sectional view showing a wire rope braking device according to an embodiment of the present invention.
  • FIG. 10 is a side view showing a link assembly and a guide bar according to another embodiment of the present invention.
  • the pole elevating system 10 includes a pole 100, a wire rope 400, an elevating link device 200, and a wire rope braking device 500.
  • Pole (100) is made of pillars built on a structure installed on the ground. Ground-mounted structures include a concrete foundation.
  • the lower portion of the pole 100 may be provided with a winding portion that can wind or loosen the wire rope 400.
  • the pole 100 is made to gradually decrease in cross-sectional area toward the upper portion, and may be formed in a substantially conical or polygonal truncated shape.
  • the pole 100 may be formed by combining a plurality of units, and accordingly, at least one stepped connection portion 120 may be formed in the pole 100.
  • the stepped connection portion 120 is made of a discontinuous surface, but is made of a jaw with an upper portion protruding more than a lower portion.
  • the upper casing 620 and the upper plate 610 are installed on the upper part of the pole 100, and the wire rope braking device 500 is fixedly installed on the upper casing 620 and the upper plate 610.
  • the wire rope 400 may be formed of steel wires supporting the elevating link device 200.
  • the present invention is not limited thereto, and the wire rope 400 may be formed of various structures such as chains and belts.
  • Figure 2 is a perspective view showing a lifting link device according to an embodiment of the present invention
  • Figure 3 is a cross-sectional view showing a lifting link device according to an embodiment of the present invention
  • Figure 4 is an embodiment of the present invention It is a side view showing a link assembly and a guide bar according to an example.
  • the lifting link device 200 includes a housing 210, a guide bar 212, a link assembly 230, a roller support bar 220, and support rollers 240 and 250. ).
  • the housing 210 is made of a metal cube box, and a link assembly 230 and a guide bar 212 are installed therein.
  • the housing 210 has a structure in which the top and bottom are opened to move along the pole 100 by inserting the pole 100.
  • the present invention is not limited thereto, and the housing 210 may have various structures.
  • equipment such as a CCTV camera module or lighting may be installed.
  • the guide bar 212 is made of a rod extending in the height direction of the pole 100, and two guide bars 212 are installed to face the side of the housing.
  • the guide bar 212 has a guide groove 213 extending in the height direction of the pole 100, and the guide groove 213 guides expansion or contraction of the link assembly 230.
  • the link assembly 230 includes an upper link portion 234 made of two upper link rods 235 and 236 intersecting and a lower link portion 231 made of two lower link rods 232 and 233 intersecting. .
  • the upper link bars 235 and 236 are installed to intersect in an X-shape so that the top and bottom are spaced apart from each other and are rotatably coupled to each other.
  • the lower end of the upper link bar (235, 236) is composed of a fixed end rotatably coupled with the lower link bar (232, 233), and the upper end of the upper link bar (235, 236) is a free end not connected to the link bar. Is made of Accordingly, the distance between the upper ends of the upper link bars 235 and 236 can be easily extended in a direction away from each other when passing through the stepped connecting portion 120.
  • the lower link portion 231 is rotatably coupled with the upper link portion 234 and is disposed under the upper link portion 234.
  • the lower link bars 232 and 233 are installed to intersect in an X-shape so that the top and bottom are spaced apart from each other and are rotatably coupled to each other.
  • the upper ends of the lower link bars 232 and 233 consist of a fixed end rotatably coupled with the upper link bars 235 and 236, and the lower ends of the lower link bars 232 and 233 are free ends that are not coupled with the link bars.
  • the lower link bar (232, 233) is coupled to the link assembly 230 and the pivot support 280 for fixing the guide bar 212 is installed. Accordingly, the lower link bars 232 and 233 may be rotatably installed on the guide bar 212 and the housing 210 via the pivot support 280. However, the pivot support 280 is fixed so as not to move up and down.
  • a guide member 270 that is inserted into the guide groove 213 and moves in the vertical direction along the guide groove 213 is installed at a portion where the upper link bars 235 and 236 are coupled.
  • the guide member 270 includes a bearing 275 inserted into a seating groove 273 formed on an outer circumferential surface of the support shaft 271 and the support shaft 271, and the bearing 275 is It is inserted into the guide groove 213 and can be moved while rotating.
  • the length from the portion where the upper link rods 235 and 236 are joined to the bottom of the upper link rods 235 and 236 is the length of the upper link rod 235 and 236 at the portion where the upper link rods 235 and 236 are joined. It is formed longer than the length to the top.
  • the length from the portion where the upper link rods 235, 236 are joined to the bottom of the upper link rods 235, 236 is the top of the upper link rods 235, 236 at the portion where the upper link rods 235, 236 are joined. It can be made from 1.002 times to 1.01 times the length of the.
  • the length from the portion where the lower link rods 232 and 233 are joined to the lower end of the lower link rods 232 and 233 are lower link rods 232 and 233 at the portion where the lower link rods 232 and 233 are combined. It is formed longer than the length to the top of.
  • the length from the portion where the lower link rods 232 and 233 are joined to the bottom of the lower link rods 232 and 233 is made from 1.002 to 1.01 times the length from the portion where the lower link rods are combined to the top of the lower link rod.
  • the gap between the support rollers 240 located at the bottom is formed larger than the gap between the support rollers 250 located at the top, so that the support rollers 240 and 250 support the pole 100 more stably.
  • the roller support bar 220 is connected to the spaced link assemblies 230, and the roller support bar 220 has an upper link portion 234, an upper link portion 234, and a lower link portion 231 coupled. And a lower portion of the lower link portion 231, respectively.
  • the roller support bar 220 may be installed in a direction crossing with respect to the height direction of the pole 100.
  • the roller support bar 220 and the pole 100 may be formed to intersect vertically.
  • the support rollers 240 and 250 are rotatably installed on the roller support bar 220, and the support rollers 240 and 250 have a structure in which the cross-sectional area gradually decreases toward the center, and the support rollers 240 and 250 are supported. A groove is formed in the center of the longitudinal direction.
  • the support rollers 240 and 250 support the elevating link device 200 so as not to be eccentric while rotating in contact with the outer circumferential surface of the pole 100.
  • the grooves 253 formed in the support rollers 250 disposed at the top of the support rollers 240 and 250 are deeper and wider than the grooves of the support rollers 240 disposed at the bottom. Is formed.
  • a support ring 260 is installed in the groove 253 of the support roller 250 disposed at the upper end, and the support ring 260 is connected to the wire rope 400.
  • the support ring 260 is inserted into the groove so that it does not contact the outer circumferential surface of the pole 100.
  • the support ring 260 is fitted to the support roller 250 disposed at the top.
  • the power transmitted by the wire rope 400 is transmitted to the link assembly 230 via the support ring 260 and the roller support bar 220.
  • the link assembly 230 is pulled upward by the support ring 260, and the load of the elevating link device 200 is applied to the pivot support 280.
  • the link assembly 230 Accordingly, the lower portion of the link assembly 230 is pulled down, and the upper portion is pulled up.
  • the support rollers 240 and 250 are supported by the pole 100 so that the length of the link assembly 230 does not change.
  • the cross-sectional area of the pole 100 decreases, so that the guide member 270 moves along the guide groove, thereby reducing the width of the link assembly 230 and the length. Longer Accordingly, the distance between the support rollers 240 and 250 decreases, and the support rollers 240 and 250 can stably adhere to the outer circumferential surface of the pole 100 and prevent eccentricity from occurring.
  • the elevating link device 200 can be stably moved by only two wire ropes.
  • FIG. 7 is a schematic configuration diagram of a wire rope braking device according to an embodiment of the present invention
  • FIG. 8 is a perspective view showing a lower guide bracket and an upper guide bracket separated from the wire rope braking device according to an embodiment of the present invention
  • 9 is a longitudinal sectional view showing a wire rope braking device according to an embodiment of the present invention.
  • the wire rope braking device 500 is disposed on the top of the pole 100, and the top casing 620 and the top plate 610 are installed on the top of the pole 100.
  • the wire rope braking device 500 includes a base plate 510, a braking part 530, a rotating link 570, and a tension sensing part 580.
  • the base plate 510 is erected and installed on the upper plate 610 and may be fixed to the side surface of the upper casing 620.
  • the braking unit 530 may be operated by the tension sensing unit 580 to selectively brake the wire rope 400.
  • the braking unit 530 selectively connects the connection bracket 567 connected to the rotational link 570, a pair of wedge members 560 connected horizontally to the connection bracket 567, and the wire rope 400. It may include a guide bracket (540, 550) for guiding a pair of wedge member 560 to brake.
  • the protruding base bracket 535 is installed on the base plate 510, and the guide brackets 540 and 550 can be mounted on the base bracket 535.
  • the guide brackets 540 and 550 guide the movement of the pair of wedge members 560, and a guide groove into which a part of the pair of wedge members 560 is introduced is formed.
  • the guide brackets 540 and 550 may be formed as a single member, but since the internal structure is complicated and difficult to manufacture and assemble, the guide brackets 540 and 550 are formed of two members, the lower guide bracket 540 and the upper guide bracket 550. It is desirable to be.
  • the lower guide bracket 540 is formed with a guide groove into which the lower half of the pair of wedge members 560 is drawn in the inner central portion, and a plurality of through holes are formed at both end portions to be mounted on the base bracket 535 by a plurality of bolts. Can be.
  • the lower guide bracket 540 may be formed with a plurality of bolt fastening holes for fixing the upper guide bracket 550 inside the plurality of through holes.
  • the upper guide bracket 550 is formed with a plurality of through holes corresponding to a plurality of through holes of the lower guide bracket 540, and can be fixed by being fastened to the lower guide bracket 540 by a plurality of bolts.
  • the guide groove formed between the lower guide bracket 540 and the upper guide bracket 550 is formed to gradually decrease in width toward the lower portion.
  • the inner inclined surface 542 of the lower guide bracket 540 and the inner inclined surface 552 of the upper guide bracket 550 are formed to be inclined so as to spread toward the connecting bracket 567.
  • the outer surface of the pair of wedge members 560 is also formed as an inclined surface to be slidable to the inner inclined surface 542 and the inner inclined surface 552. Accordingly, the wedge member 560 is formed to gradually decrease in width toward the bottom.
  • the opposing inner surfaces of the pair of wedge members 560 are formed with parallel surfaces.
  • the wire rope 400 passes between the inner surfaces of the pair of wedge members 560 at an intermediate height, and the pair of wedge members 560 selectively compresses the wire rope 400 to prevent movement. Is done.
  • the pair of wedge members 560 are provided with protrusions 566 that extend toward the connection bracket 567, respectively, and the protrusions 566 pass through a pair of rail holes 568 formed in the connection bracket 567, A pair of wedge members 560 are movably coupled to the connecting bracket 567 in the width direction.
  • the protrusion 566 has a head larger than the height of the rail hole 568 so that the pair of wedge members 560 can be pushed or pulled when the connecting bracket 567 moves in the longitudinal direction.
  • the protrusion 566 may be a bolt that passes through the rail hole 568 and is fastened to the fastening holes respectively formed in the pair of wedge members 560.
  • a longitudinal hole 569 through which the wire rope 400 passes may be provided at the center of the connection bracket 567. This longitudinal hole 569 guides the movement of the wire rope 400, but allows the passage height of the wire rope 400 to be changed within a predetermined range.
  • the tension detecting unit 580 includes a rotation bracket 582 mounted rotatably with respect to the base plate 510, and a rotation pulley 585 mounted on the rotation bracket to movably support the wire rope 400, and rotation
  • the bracket 582 may include an elastic portion 589 that is pushed and rotated from the base plate 510.
  • the rotating bracket 582 is formed in the form of a pair of plates of approximately square shape, and a coupling rod 583 is inserted between the pair of plates and coupled by fastening with bolts through through holes formed in the rotating bracket 582 on both sides. Rods 583 may be combined with a pair of plates.
  • the pivot pulley 585 not only supports the wire rope 400 transferred from the fixed pulley 630 fixed to the upper casing 620 but also changes the direction of the wire rope 400. It can be rotated together with the rotation bracket 582 by the wire rope 400 and the elastic portion 589.
  • the elastic portion 590 provides an elastic force to rotate the rotating bracket 582 in a direction away from the base plate 510.
  • the elastic part 590 may be formed of a spring mounted on the base plate 510. The elastic part 590 comes into contact with the lifting block 594 and pushes the lifting block 594, and the lifting block 594 is connected to the rotation bracket 582 via a lateral protrusion 596.
  • the lateral protrusions 596 are coupled to both sides of the lifting block 594, and are installed to penetrate the long holes 588 formed in the rotating bracket 582. When the lateral protrusion 596 is pushed by the elastic part 590, it moves along the long hole 588 and the rotation bracket 582 rotates around the rotation shaft 587.
  • the rotation link 570 transfers the rotational motion of the tension sensing unit 580 to the translational motion of the brake unit 530.
  • the rotating link 570 may be composed of a pair of rods which are pivotally connected to both ends of the rotating bracket 582 and the connecting bracket 567.
  • a pair of wedge members 560 are formed with guide grooves 565 on the upper and lower surfaces thereof, and guide brackets 540 and 550 are guide ribs 545 and 555 engaged with the guide grooves on the upper and lower surfaces thereof. Can be formed.
  • Guide grooves 565 in the form of a rectangular cross section may be formed on the upper and lower surfaces of the wedge member 560 in parallel to the outer surface.
  • a guide rib 545 corresponding to the guide groove 565 formed on the lower surface of the pair of wedge members 560 is protruded on the upper surface of the lower guide bracket 540, and on the lower surface of the upper guide bracket 550
  • a guide rib 555 corresponding to the guide groove 565 formed on the upper surface of the pair of wedge members 560 may be protruded.
  • a pair of wedge members 560 when the pair of wedge members 560 are retracted and withdrawn from the guide brackets 540, 550 Can be apart from each other.
  • the pair of wedge members 560 is preferably formed with teeth on the inner surface. These teeth may be formed in the form of a plurality of grip grooves 562 that are formed vertically long on the inner surface of the wedge member 560.
  • the pair of wedge members 560 is sufficiently braced even if the wire rope 400 is compressed with a relatively small force compared to the case where there are no teeth on the inner surface. can do. This is because the frictional force between the wire rope 400 and the pair of wedge members 560 increases.
  • the pivot pulley 585 is pressed toward the base plate 510 by the wire rope 500, so that the pivot bracket 582 does not rotate.
  • the rotating bracket 582 rotates by the elastic part 590, and the pair of wedge members 560 through the rotating link 570 is guide brackets 540. , 550) is drawn into the inside, the pair of wedge members 560 is moved to close to each other while pressing the wire rope 400 to brake.
  • FIG. 10 is a side view showing a link assembly and a guide bar according to another embodiment of the present invention.
  • the link assembly according to this embodiment is made of the same structure as the lifting pole system according to the above-described embodiment except for the upper link bar.
  • the link assembly 730 includes an upper link portion 734 made of two upper link rods 735 and 736 intersecting and a lower link portion 731 made of two lower link rods 732 and 733 intersecting. .
  • the upper link bars 735 and 736 are installed to cross in an X-shape, so that the top and bottom are spaced apart from each other, and are rotatably coupled to each other.
  • the upper link rods 735 and 736 are the second curved portions of the first rod portions 735a and 736a at the intersection of the first rod portions 735a and 736a and the upper link rods 735 and 736 disposed below. It includes rod portions 735b and 736b.
  • the second rod portions 735b and 736b are bent in a direction toward the outside of the link assembly 730. Accordingly, the upper ends of the upper link bars 735 and 736 may protrude more outside than the lower ends.
  • the lower link portion 731 is rotatably coupled with the upper link portion 734 and is disposed under the upper link portion 734.
  • the lower link bars 732 and 733 are installed to intersect in an X-shape so that the top and bottom are spaced apart from each other, and are rotatably coupled to each other.
  • the upper ends of the lower link bars 732 and 733 are rotatably coupled with the upper link bars 735 and 736.
  • the lower link rods 732 and 733 are made of rods having a non-bending structure that is straight and straight.
  • a ring support bar 780 is installed at the top of the upper link bars 735 and 736, and only a support ring 760 is installed in the ring support bar 780, and a support roller is not installed, and thus the ring support is provided.
  • the bar 780 does not contact the support roller.
  • a roller support bar 720 is installed at the lower portion of the portion where the upper link bars 735 and 736 and the lower link bars 732 and 733 and the lower link bars 732 and 733 are coupled, and the roller support bar 720 ) Is provided with a support roller 740 that rotates in contact with the outer circumferential surface of the pole.

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

La présente invention concerne un appareil de liaison de levage pour un poteau, dans lequel un rouleau de support est en contact étroit avec la surface circonférentielle externe du poteau et la génération de défauts et le poids peuvent être réduits. Selon un aspect de la présente invention, l'appareil de liaison de levage pouvant se déplacer vers le haut et vers le bas dans la direction de la hauteur du poteau comprend : une barre de guidage ayant un évidement de guidage s'étendant dans la direction de la hauteur du poteau ; une pluralité d'ensembles de liaison comprenant une pluralité de tiges de liaison qui sont installées de façon à pouvoir se mettre en rotation ; une pluralité de barres de support de rouleau raccordées aux ensembles de liaison séparés ; un rouleau de support installé de manière rotative sur chaque barre de support de rouleau ; une bague de support fixée sur chaque barre de support de rouleau et raccordée à un câble métallique ; et un logement accouplé à la barre de guidage et, dans lequel chaque ensemble de liaison est inséré, chaque ensemble de liaison étant pourvu d'un élément de guidage se déplaçant dans une direction vers le haut et vers le bas le long de l'évidement de guidage et d'un support de pivot fixé sur la barre de guidage.
PCT/KR2019/016328 2019-02-01 2019-11-26 Appareil de liaison de levage pour poteau et système de levage de poteau comprenant celui-ci WO2020159056A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2019-0013347 2019-02-01
KR1020190013347A KR102168234B1 (ko) 2019-02-01 2019-02-01 폴의 승하강 링크장치 및 이를 포함하는 폴 승하강 시스템

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WO2020159056A1 true WO2020159056A1 (fr) 2020-08-06

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Cited By (1)

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