WO2022010251A1 - 트롤리 및 이를 구비하는 해양 구조물 - Google Patents
트롤리 및 이를 구비하는 해양 구조물 Download PDFInfo
- Publication number
- WO2022010251A1 WO2022010251A1 PCT/KR2021/008635 KR2021008635W WO2022010251A1 WO 2022010251 A1 WO2022010251 A1 WO 2022010251A1 KR 2021008635 W KR2021008635 W KR 2021008635W WO 2022010251 A1 WO2022010251 A1 WO 2022010251A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- front wheel
- shaft
- rear wheel
- gear
- trolley
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
- B62B5/026—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs with spiders or adapted wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/001—Steering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/008—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor having more than two axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
- F16H1/225—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes with two or more worm and worm-wheel gearings
Definitions
- the present invention relates to a trolley and an offshore structure having the same, and more particularly, to a trolley that freely moves over a coaming member installed in a hull or a door seal of an enclosed area, and an offshore structure having the same.
- an offshore structure is a structure installed or operated in the sea, and the hull of the offshore structure includes a plurality of decks constituting each floor.
- various facilities or devices may be installed on the deck of the hull, to collect fluids such as oil, seawater, rainwater or other contaminants flowing out from these facilities or devices, or to prevent flow to other equipment or facilities
- a coaming member of a certain height is provided on the deck.
- the hull is provided with a plurality of sealed spaces sealed by a wall or the like on the deck, and each sealed space is provided with an entrance having a door seal for close sealing of the inside, and opening and closing the entrance through the door. is formed
- the trolley since the trolley is provided in the hull for moving on the deck and transporting goods such as various materials, equipment, or heavy goods, the trolley can be used to transport the goods to a position to be transferred in the hull.
- an inclined ramp may be installed in the door seal 5 formed at the entrance of the enclosed area, but the door seal 5 is If it is formed high, a safety accident may occur when loading heavy cargo and going over the incline ramp. made it
- the pad eye 4 when moving the goods in the enclosed space using the pad eye 4 and the lifting hoist (not shown), the pad eye 4 is placed on the top outside and inside the door of the enclosed area, respectively.
- a lifting hoist (not shown) is installed on each pad eye (4), and a trolley (1) loaded with goods is placed on the outside of the door of the enclosed area with the door seal (5) in between, and inside the door
- the goods loaded on the trolley 1 were lifted using a lifting hoist (not shown) and moved over the door seal 5 .
- the transport material lifted by the lifting hoist (not shown) is received through the lifting hoist (not shown) installed inside the door, loaded on the other trolley (1'), and the connection with the lifting hoist (not shown) is released to release the transport material. was moved into the enclosed area beyond the door seal (5).
- An object of the present invention is to provide an offshore structure, specifically, a coaming member installed in a hull, a trolley that freely moves over a door seal of an enclosed area, and an offshore structure having the same.
- the present invention provides a loading plate on which cargo is loaded, a front wheel support shaft-coupled to the front of the bottom of the loading plate, and both ends of the front wheel support, respectively, to rotate along the rotation radius of the shaft, and to run
- a front wheel part including a pair of wheels that are selectively seated on the ground and driven, a rear wheel support shaft coupled to the rear of the lower part of the loading plate, and both ends of the rear wheel support are provided respectively at both ends of the rear wheel support to rotate along the rotation radius of the shaft.
- a pair of wheels of the front wheel and a pair of wheels of the rear wheel are connected to each other through a gear coupling structure and a rear wheel including a pair of wheels that are selectively seated on the ground and driven, and the pair of front wheels are connected to each other. It provides a trolley including an operation member for adjusting the position of at least one of the wheels.
- it further includes a movement auxiliary member provided between the loading plate and the front wheel portion, the movement auxiliary member is provided on the shaft of the front wheel portion, provided under the pinion gear and the loading plate interlocking with the operation member, the pinion gear and Including a rack gear that engages and moves the loading plate forward or backward by a predetermined interval according to the rotation of the pinion gear, the pinion gear rotates clockwise or counterclockwise according to the operation of the operating member, and the loading plate is lifted when the front wheel part crosses an obstacle.
- a trolley that moves forward at a predetermined interval and moves the loading plate backward at a predetermined interval when the rear wheel part crosses an obstacle.
- the operation member provides a trolley including a manual operation with a handle or an electric operation with a motor.
- the operation member includes a first gear unit provided on the shaft of the rear wheel unit, an operation unit connected to the first gear unit to rotate the first gear unit, a second gear unit provided on the shaft of the front wheel unit, and a first gear
- a trolley including a shaft member for transmitting a negative rotational force to a second gear unit.
- first gear part the first bevel gear provided on the shaft of the rear wheel part, the second bevel gear engaged with the first bevel gear and connected to the operation unit, and the third bevel gear engaged with the first bevel gear and connected to the shaft member
- second gear part includes a fourth bevel gear provided on the shaft of the front wheel part and a fifth bevel gear engaged with the fourth bevel gear and connected to the shaft member.
- the operation member includes a first worm gear provided on the shaft of the rear wheel part, a first worm gear connected to the first worm gear, a manipulation part provided to rotate the first worm gear, a second worm gear provided on the shaft of the front wheel part, and the rotational force of the first worm gear It provides a trolley including a shaft member for transmitting to the second worm gear.
- the first worm gear includes a first worm wheel provided on the shaft of the rear wheel part and a first worm having one side connected to the operation unit and the other side connected to the shaft member and engaged with the first worm wheel
- the second worm gear includes a front wheel
- a trolley comprising a second worm wheel provided on a negative shaft and a second worm connected to the shaft member and engaged with the second worm wheel.
- a trolley further comprising a steering member for connecting between the front wheel part and the rear wheel part through the link connection structure and switching the driving directions of the front wheel part and the rear wheel part according to the manipulation of the handle.
- the steering member includes a steering handle provided at the rear of the loading plate, a rear wheel link part coupled to the lower part of the loading plate and connected to the shaft of the rear wheel part, a front wheel link part coupled to the lower part of the loading plate and connected to the shaft of the front wheel part, and
- a trolley including a steering link unit that connects a steering wheel, a rear wheel link unit, and a front wheel link unit, and operates the rear wheel link unit and the front wheel link unit according to the manipulation of the steering wheel to change driving directions of the front wheel unit and the rear wheel unit.
- the steering link unit includes a first steering frame provided integrally with the steering wheel and connected to the rear wheel link unit, a second steering frame connected to the front wheel link unit, and a steering link connected between the first steering frame and the second steering frame.
- a hub for connecting the rear wheel link part and the front wheel link part respectively corresponding to the shaft of the rear wheel part and the shaft of the front wheel part is provided, the shaft of the rear wheel part or the front wheel part passes through the hub, and the rear wheel link part corresponding to the outer surface
- a trolley to which the front wheel link portion is coupled is provided.
- a first wheel driving means provided on the front wheel support to rotate at least one of a pair of wheels of the front wheel part and a second wheel driving means provided on the rear wheel support to rotate at least one of a pair of wheels of the rear wheel part further comprising provides a trolley that
- the transport is moved, the deck to be installed, is fixed on the deck, at least one coaming member and at least one to suppress the diffusion of the fluid
- the transport is moved, the deck to be installed, is fixed on the deck, at least one coaming member and at least one to suppress the diffusion of the fluid
- a closed area and a door having a door for internal sealing and a door seal of a preset height, and in which positive or negative pressure is selectively formed therein
- a trolley for moving a cargo to an area inside an enclosed area by passing the seal without an inclined ramp.
- the trolley according to the embodiment of the present invention operates so that the front wheel part and the rear wheel part are linked by a simple operation so that the front wheel part crosses the obstacle and then the rear wheel part easily crosses the obstacle. It can easily pass over and transport the package without interference.
- the marine structure according to an embodiment of the present invention has a trolley that can naturally pass over a coaming member fixedly installed on a deck or a door seal formed at an entrance of a closed space, without installing an inclined ramp or a lifting hoist in the hull.
- the cargo can be safely transported to the destination within the hull.
- the coaming member or the trolley that can easily pass over obstacles such as door seals is provided, the coaming member can be fixedly installed on the deck to effectively suppress the diffusion of fluid, and the door formed at the entrance of the enclosed space By maintaining the seal as it is, the positive or negative pressure in the enclosed area can be easily controlled.
- FIG 3 shows an offshore structure according to an embodiment of the present invention.
- Figure 4 shows a closed area provided in the marine structure according to an embodiment of the present invention.
- FIG. 5 is a view illustrating a trolley passing through a door seal of a closed area according to an embodiment of the present invention.
- FIG. 6 and 7 show a trolley applied to an offshore structure according to an embodiment of the present invention.
- FIG. 8 is a diagram illustrating an operation structure of an operation member provided in a trolley according to an embodiment of the present invention.
- FIG 9 shows another example of an operation member according to an embodiment of the present invention.
- FIG. 10 is a diagram illustrating a configuration of a shaft member provided in a trolley according to an embodiment of the present invention.
- FIG. 12 is a view showing the configuration and operation of the movement auxiliary member provided in the trolley according to an embodiment of the present invention.
- FIG. 13 and 14 are diagrams illustrating an operation state in which the trolley moves over an obstacle according to an embodiment of the present invention.
- 15 and 16 show another example of a trolley according to an embodiment of the present invention.
- FIG. 17 is a side view of the electric trolley shown in FIGS. 15 and 16 .
- FIG. 18 is a plan view illustrating a direction change structure provided in a trolley according to an embodiment of the present invention.
- FIG. 19 is a view illustrating a state in which the traveling direction of the trolley shown in FIG. 18 is changed.
- FIG. 20 illustrates another example of a direction change structure provided in a trolley according to an embodiment of the present invention.
- expressions such as “or” and “at least one” may indicate one of the words listed together, or a combination of two or more.
- FIG 3 illustrates an offshore structure 1000 according to an embodiment of the present invention.
- the marine structure 1000 described in this embodiment may be implemented as a ship that transports people or cargo to a destination on the sea, and may be implemented as a structure built on the sea to develop marine resources such as crude oil and natural gas. may be
- the offshore structure 1000 when the offshore structure 1000 is implemented as a ship, for example, it may be implemented as a passenger ship, a cargo carrier, an LNG carrier, etc., and when implemented as a structure built on the sea, a Floating, Storage and Regasification Unit (FSRU) ), FPSO (Floating, Production, Storage and Offloading), and FLNG (Floating LNG).
- FSRU Floating, Storage and Regasification Unit
- FPSO Floating, Production, Storage and Offloading
- FLNG Floating LNG
- the offshore structure 1000 may include a deck 10 , a coaming member 20 , and a trolley 100 .
- the deck 10 may constitute each layer within the hull of the marine structure 1000 , and a movement path may be formed on the deck 10 , through which a transport means such as a person or the trolley 100 can move.
- At least one coaming member 20 for suppressing the diffusion of the fluid may be installed on the deck 10 .
- various facilities or devices may be installed on the deck 10 of the hull, collecting fluids such as oil, seawater, rainwater or other contaminants flowing out from these facilities or devices, or flowing to other equipment or facilities
- a coaming member 20 of a certain height may be installed on the deck 10 in order to suppress it.
- the coaming member is formed in a detachable manner and is installed and used on the deck as needed.
- the sealing performance is deteriorated due to problems such as gap generation. .
- the coaming member 20 it is preferable to apply the coaming member 20 to the deck 10 of the hull in a fixed manner.
- the coaming member 20 By including 100 , it is possible to freely install the fixed coaming member 20 on the deck 10 .
- the trolley 100 of this embodiment can be driven along the movement path on the deck 10 by loading the goods on the loading plate 110, and using the operation member 200 during driving, the loading plate 110.
- the trolley 100 of this embodiment can be driven along the movement path on the deck 10 by loading the goods on the loading plate 110, and using the operation member 200 during driving, the loading plate 110.
- the front wheel unit 120 provided in the front and the rear wheel unit 130 provided at the rear of the By operating to be spaced apart it is possible to freely jump over the coaming member 20 formed on the deck 10 of the hull and travel.
- FIG. 4 shows a closed area 30 provided in the marine structure 1000 according to an embodiment of the present invention
- FIG. 5 is a door seal 40 of the enclosed area 30 according to an embodiment of the present invention. ) shows the trolley 100 crossing over.
- an enclosed area 30 may be provided in the hull of the offshore structure 1000 .
- the sealed zone 30 is a zone that requires sealing within the hull, and includes a door (not shown) for internal sealing and a door seal (Doorsill, 40) of a preset height, and optionally positive or negative pressure is formed therein. It can be configured to be
- the sealed zone 30 may be provided as a space sealed by a wall or the like on the deck 10 of the hull, and has an entrance in which a door seal 40 is formed for close sealing of the inside, and a door (not shown). City) may be formed to open and close the doorway.
- the door seal 40 formed in the lower part of the doorway may be removed so that the trolley 100 can be moved to the inside of the sealed area 30 , but when the door seal 40 is removed, the airtightness is deteriorated, and due to this There is a problem in that it is difficult to control the positive or negative pressure in the enclosed area 30 .
- a negative pressure pressure lower than atmospheric pressure
- positive pressure pressure higher than atmospheric pressure
- the door seal 40 is provided in all the enclosed areas 30 in the hull of the marine structure 1000 .
- the trolley 100 in transporting the goods to the inside of the enclosed area 30 , in a state in which the goods are loaded on the loading plate 110 , the operation member 200 while driving A pair provided in the front wheel part 120 and the rear wheel part 130, respectively, by operating the front wheel part 120 provided in the front of the loading plate 110 and the rear wheel part 130 provided in the rear side by using the By operating the wheels of the to be spaced apart from the ground alternately, it is possible to easily jump over the door seal 40 of the closed area 30 and drive.
- the trolley 100 of this embodiment can move freely over obstacles such as the coaming member 20 or the door seal 40 installed on the deck 10 in the hull, thereby saving time for transporting goods.
- obstacles such as the coaming member 20 or the door seal 40 installed on the deck 10 in the hull.
- the lifting means such as an elevator, so that the goods can be safely transported to the destination.
- FIG. 6 and 7 show a trolley 100 applied to the marine structure 1000 according to an embodiment of the present invention
- FIG. 8 is an operation provided in the trolley 100 according to an embodiment of the present invention.
- the operational structure of the member 200 is shown.
- the trolley 100 may include a loading plate 110 , a front wheel unit 120 , a rear wheel unit 130 , and an operation member 200 .
- the loading plate 110 is a plate-shaped plate for transporting the goods, and the goods can be loaded thereon.
- the lower portion of the loading plate 110 may be provided with a fixed frame 111 in which the front wheel portion 120 and the rear wheel portion 130 to be described later are installed.
- the rear of the loading plate 110 may be provided with a handle portion 112 that protrudes upward and can be gripped by the operator, whereby the operator can move the trolley 100 by holding the handle portion 112 . have.
- the front wheel part 120 is shaft-coupled to the front of the lower portion of the loading plate 110 , and supports the loading plate 110 and may be provided to be able to roll on the ground.
- This front wheel part 120 is disposed on both front sides of the lower loading plate 110, rotates about an axis, and is provided with a pair of wheels 121 and 122 that alternately operate to be spaced apart from the ground, through which the deck 10 ) may be configured to overcome obstacles such as the coaming member 20 or the door seal 40 protruding from the ground.
- a second rotation shaft 240 may be provided at the front side of the lower portion of the loading plate 110 , and the front wheel part 120 is coupled to both ends of the second rotation shaft 240 , respectively, to the loading plate 110 . It may be disposed on both sides of the front of the lower part.
- each of the front wheel parts 120 is bent at a predetermined angle and the central part is fixed to the second rotation shaft 240, the front wheel support 123, and the first wheel provided at both ends of the front wheel support 123, respectively 121) and the second wheel 122 may be included.
- the front wheel support 123 may be formed in a shape of "a" in which the central portion is bent, and the bent central portion may be fixed to the second rotation shaft 240 .
- a first wheel 121 may be provided at a front end of the front wheel support 123
- a second wheel 122 may be provided at a rear end of the front wheel supporter 123 .
- the front wheel part 120 having such a configuration selectively lifts the first wheel 121 of the front wheel support 123 through an operation of rotating the second rotation shaft 240 in a clockwise or counterclockwise direction, and
- the second wheel 122 may be supported on the ground, or the second wheel 122 may be lifted and the first wheel 121 may be supported on the ground.
- the rear wheel part 130 is shaft-coupled to the rear of the lower part of the loading plate 110 , and supports the loading plate 110 together with the front wheel part 120 and may be provided to be able to roll on the ground.
- the rear wheel part 130 may also have the same structure as the front wheel part 120 , and may be configured to overcome obstacles through a pair of wheels 131 and 132 that alternately operate to be spaced apart from the ground.
- a first rotational shaft 210 may be provided on the rear side of the lower portion of the loading plate 110 , and the rear wheel portion 130 is coupled to both ends of the first rotation shaft 210 to respectively the loading plate 110 . It may be disposed on both sides of the rear of the lower part.
- each rear wheel part 130 is bent at a predetermined angle and the center part is fixed to the first rotation shaft 210, the rear wheel support 133, and the third wheel provided at both ends of the rear wheel support 133, respectively ( 131) and a fourth wheel 132 may be included.
- the rear wheel support 133 may be formed in the same shape as the front wheel support 123 , and a third wheel 131 is provided at the front end of the rear wheel support 133 , and the fourth wheel 132 is provided at the rear end. may be provided.
- the rear wheel part 130 also selectively lifts the third wheel 131 of the rear wheel support 133 according to the operation of rotating the first rotation shaft 210 and supports the fourth wheel 132 on the ground, or The fourth wheel 132 may be lifted and the third wheel 131 may be supported on the ground.
- the front wheel support 123 and the rear wheel support 133 described above in this embodiment may be formed at an angle of approximately 75° to 90°, support a pair of wheels, and 15° to 20° from the axis of rotation By being inclined by about °, when the rotation shaft rotates, a pair of wheels can be formed to easily rotate along the rotation radius of the rotation shaft.
- the trolley 100 of this embodiment having such a front wheel part 120 and a rear wheel part 130 is normally a second wheel 122 of the front wheel part 120 and a third wheel 131 of the rear wheel part 130 .
- ) is supported on the ground and can move, and when crossing an obstacle, the second rotation shaft 240 and the first rotation shaft 210 are rotated through an operation member 200 to be described later, and the second of the front wheel part 120
- the obstacle can be overcome, and a detailed description thereof will be described later. do.
- the operation member 200 connects the front wheel part 120 and the rear wheel part 130 through the gear coupling structure, so that the front wheel part 120 and the rear wheel part 130 can be operated by mutually connecting the obstacles. .
- the operation member 200 includes a first rotation shaft 210 connected to the rear wheel part 130 and a first gear part provided on the first rotation shaft 210 ( 220 , a manipulation unit 230 for rotating the first gear unit 220 , a second rotation shaft 240 connected to the front wheel unit 120 , and a second rotation shaft 240 provided on the second rotation shaft 240 . It may include a gear unit 250 and a shaft member 260 for transmitting the rotational force of the first gear unit 220 to the second gear unit 250 .
- the front wheel part 120 may be coupled to both ends of the second rotation shaft 240 , respectively, and the rear wheel part 130 may be coupled to both ends of the first rotation shaft 210 .
- the first gear unit 220 includes a first bevel gear 221 provided on the first rotation shaft 210 and a second bevel gear coupled to the first bevel gear 221 and connected to the operation unit 230 . It may include a bevel gear 222 and a third bevel gear 223 engaged with the first bevel gear 221 and connected to the shaft member 260 .
- the manipulation unit 230 may include a control bar 231 connected to the second bevel gear 222 , and a handle 232 provided at an end of the control bar 231 .
- a gearbox G may be connected to the control bar 231 , and a round handle 232 may be connected to an upper portion of the gearbox G.
- the handle 232 and the control bar 231 may be interconnected by a gear coupling structure in the gearbox G, and accordingly, when the handle 232 is turned, the control bar 231 is moved to the control bar 231 through the gearbox G.
- the first gear unit 220 may be operated by transmitting the rotational force.
- gearbox (G) is disposed toward the handle 232 of the upper portion of the loading plate 110, the operator can operate the handle 112 provided on the upper portion of the gearbox (G) together with the handle (232). .
- a collapsible joint member 233 such as a double universal joint may be provided on the control bar 231 , whereby the control bar 231 is folded can be, the folded control bar 231 is disposed toward the handle portion 112 of the upper portion of the loading plate 110, the operator is provided with the handle portion 112 at the end of the control bar 231 together with the handle 232) can be manipulated.
- the second gear unit 250 is coupled to a fourth bevel gear 251 provided on the second rotation shaft 240 , and the fourth bevel gear 251 , and a fifth connected to the shaft member 260 . It may include a bevel gear 252 .
- the shaft member 260 is configured to transmit the rotational force of the first gear unit 220 to the second gear unit 250 , and a third bevel gear 223 is connected at one end and a fifth bevel gear at the other end. 252 may be connected.
- the control bar 231 when the operator rotates the control bar 231 by manipulating the handle 232 , the control bar
- the second bevel gear 222 connected to (231) rotates the first bevel gear 221 to rotate the first rotation shaft 210, and the second bevel gear 222 rotates the first rotation shaft 210 of the rear wheel part 130 through the first rotation shaft 210.
- the third wheel 131 or the fourth wheel 132 may be switched to support the ground.
- the fifth bevel gear connected to the shaft member 260 may rotate the fourth bevel gear 251 on the second rotation shaft 240 , whereby the second rotation shaft 240 rotates to rotate the first wheel 121 or the first wheel of the front wheel part 120 .
- the wheels 122 can be converted to support the ground.
- the non-reversible locking device 140 is installed in the second bevel gear 222 , and only when the control bar 231 is rotated through the handle 232 , the second bevel gear 222 rotates to rotate the first, third, By rotating the fifth and fourth bevel gears (221, 223, 251,252), the first and second rotation shafts 210 and 240 can rotate, and when the control bar 231 is not rotated, the first and second rotation shafts 210, 240) does not rotate.
- the gear coupling structure as described above rotates the second rotation shaft 240 and the first rotation shaft 210 in opposite directions through a plurality of bevel gears 221 , 222 , 223 , 251,252 , so that the front wheel part 120 and the rear wheel part 130 may operate to rotate opposite to each other.
- FIG. 9 shows another example of the operation member 400 according to an embodiment of the present invention.
- the front wheel part 120 and the rear wheel part 130 of the trolley may be operated in conjunction with the operation member 400 having a gear coupling structure using a worm gear.
- the operation member 400 of this embodiment includes a first rotation shaft 210 connected to the rear wheel part 130 , a first worm gear 420 provided on the first rotation shaft 210 , and a first The operation unit 230 for rotating the worm gear 420, the second rotation shaft 240 connected to the front wheel part 120, and the second worm gear 450 provided on the second rotation shaft 240, and the first A shaft member 260 for transmitting the rotational force of the first worm gear 420 to the second worm gear 450 may be included.
- the rear wheel part 130 may be coupled to both ends of the first rotation shaft 210 , respectively, and the front wheel part 120 may be coupled to both ends of the second rotation shaft 240 , respectively.
- the first worm gear 420 includes a first worm wheel 421 provided on the first rotation shaft 210 , one side connected to the manipulation unit 230 , the other side connected to the shaft member 260 , and a first worm wheel It may include a first worm 422 engaged with the 421 .
- the manipulation unit 230 may include a control bar 231 connected to the first worm 422 , and a handle 232 provided at an end of the control bar 231 .
- the second worm gear 450 includes a second worm wheel 451 provided on the second rotation shaft 240 , and a second worm 452 connected to the shaft member 260 and engaged with the second worm wheel 451 . ) may be included.
- the screw formed on the second worm 452 may be formed in a direction opposite to the screw formed on the first worm 422 .
- the shaft member 260 is a configuration for transmitting the rotational force of the first worm gear 420 to the second worm gear 450, and is connected between the first worm 422 and the second worm 452, and the operation unit ( When the first worm 422 is rotated by the 230 , the rotational force may be transmitted to the second worm 452 .
- the control bar 231 when the operator rotates the control bar 231 by manipulating the handle 232 , the control bar The first worm 422 connected to 231 rotates the first worm wheel 421 to rotate the first rotation shaft 210 , and the third wheel of the rear wheel part 130 through the first rotation shaft 210 . (131) or the fourth wheel 132 may be converted to be supported on the ground or spaced apart from the ground.
- the shaft member 260 connected to the first worm 422 rotates while the second worm 452 connected to the shaft member 260 rotates the second worm wheel 451.
- the second rotation shaft 240 rotates to convert the first wheel 121 or the second wheel 122 of the front wheel part 120 to be supported on the ground or to be spaced apart from the ground.
- the irreversible locking device 140 is installed on the control bar 231 connected to the first worm 422 , and the first worm gear 420 rotates only when the control bar 231 is rotated through the handle 232 .
- the second worm gear 450 by rotating the second worm gear 450, the first and second rotation shafts 210 and 240 can rotate, and when the control bar 231 is not rotated, the first and second rotation shafts 210 and 240 are will not rotate.
- the handle 232 of the operation unit 230 is By manipulating, when the first worm wheel 421 is rotated counterclockwise through the first worm 422, the second worm 452 may rotate the second worm wheel 451 clockwise, thereby 1
- the worm wheel 421 and the rear wheel part 130 connected through the first rotation shaft 210 rotate counterclockwise, and the front wheel part connected through the second worm wheel 451 and the second rotation shaft 240 . 120 may be rotated clockwise.
- the handle 232 of the manipulation unit 230 is reversely manipulated to rotate the first worm wheel 421 clockwise through the first worm 422 , the second worm 452 is the second worm wheel 451 .
- the rear wheel part 130 may be rotated clockwise, and the front wheel part 120 may be rotated counterclockwise.
- FIG. 10 shows the configuration of the shaft member 260 provided in the trolley 100 according to an embodiment of the present invention, and the front wheel part 120 and the rear wheel part 130 in the loading plate 110 are
- the shaft member 260 connected between the second rotation shaft 240 of the front wheel part 120 and the first rotation shaft 210 of the rear wheel part 130 as they rotate in opposite directions and move away from or close to each other. ) may be configured to be contractible or stretchable.
- the shaft member may be configured by coupling a pair of first and second shafts 261,262 in a telescopically possible form, whereby the shaft member 260 is It may be formed to be extensible.
- the shaft member 260 may be configured to be contractible or stretchable in a form having a slip joint structure.
- the trolley 100 interlocks with the operation member 200 for operating the front wheel part 120 and the rear wheel part 130 and moves the loading plate 110 forward and backward at a predetermined interval to move the front wheel part 120.
- the rear wheel 130 may further include a movement auxiliary member 300 to assist the operation over the obstacle.
- FIG. 12 illustrates the configuration and operation of the movement auxiliary member 300 provided in the trolley 100 according to an embodiment of the present invention.
- the movement auxiliary member 300 includes a rack gear 310 provided in front of a lower portion of the loading plate 110 and a pinion provided on the second rotation shaft 240 and meshing with the rack gear 310 . It may include a gear 320 .
- the movement auxiliary member 300 may advance the loading plate 110 at a predetermined interval through the meshed rack gear 310 while rotating in a clockwise direction.
- the pinion gear 320 on the second rotation shaft 240 rotates counterclockwise.
- the loading plate 110 may be moved backward at a predetermined interval through the interlocking rack gear 310 while doing so.
- Such a movement auxiliary member 300 advances the loading plate 110 when the front wheel part 120 crosses an obstacle, and applies a greater moment to the front wheel part 120 than the rear wheel part 130, thereby making the front wheel part (120) can easily cross the obstacle.
- the loading plate 110 is moved backward, so that a greater moment is applied to the rear wheel unit 130 than the front wheel unit 120 .
- the rear wheel part 130 can easily cross the obstacle.
- FIG 13 and 14 illustrate an operation state in which the trolley 100 moves over an obstacle according to an embodiment of the present invention.
- the trolley 100 of this embodiment can move on the deck 10 in the hull of the offshore structure 1000 and transport materials, equipment, etc., and the coaming member 20 in the hull with a simple operation. It is possible to naturally pass over obstacles such as the door seal 40 and the like without interference, so that the goods can be transported more safely.
- the trolley 100 is normally arranged in a state in which the first wheel 121 of the front wheel part 120 and the fourth wheel 132 of the rear wheel part 130 are lifted from the ground. and the second wheel 122 of the front wheel part 120 and the third wheel 131 of the rear wheel part 130 are supported on the ground to move.
- the operation unit (230) to operate the operating member (200, see Fig. 8), through the second gear unit (250, see Fig. 8) of the front wheel portion 120 side of the second rotation shaft 240 in a clockwise direction
- the first wheel 121 and the second wheel 122 of the front wheel part 120 may be rotated clockwise along the rotation radius of the second rotation shaft 240 .
- the first wheel 121 is supported on the ground by overcoming obstacles on the ground, and the second wheel 122 disposed behind the first wheel 121 may be lifted from the ground.
- the first gear unit 220 (refer to FIG. 8) connected to the second gear unit 250 (refer to FIG. 8) rotates the first rotation shaft 210 on the rear wheel part 130 side to rotate the first rotation shaft (
- the third wheel 131 and the fourth wheel 132 of the rear wheel 130 may rotate counterclockwise along the rotation radius of the 210 .
- the operation member 200 (refer to FIG. 8) is operated through the manipulation unit 230 to operate the first gear
- the wheel 132 may be rotated clockwise.
- the third wheel 131 is supported on the ground by overcoming obstacles on the ground, and the fourth wheel 132 disposed behind the third wheel 131 may be lifted from the ground.
- the second gear unit 250 (refer to FIG. 8 ) interlocking with the first gear unit 220 (see FIG. 8 ) rotates the second rotation shaft 240 on the front wheel part 120 side to rotate the second rotation shaft.
- the first wheel 121 and the second wheel 122 of the front wheel part 120 may be rotated counterclockwise.
- FIGS. 15 and 16 show another example of the trolley 100' according to an embodiment of the present invention.
- the trolley 100 ′ is electrically operated in which the operation unit 230 ′ provided in the operation members 200 and 400 operates the operation members 200 and 400 using a motor. can be configured.
- the manipulation unit 230 ′ of this embodiment includes a driving motor 231 ′ connected to the second bevel gear 222 of the first gear unit 220 , and the driving motor 231 .
- the driving motor 231 ′ may include a button unit (not shown) for operating, and the driving motor 231' may be formed of a step motor capable of controlling the rotation direction and number of rotations of the shaft.
- the operator can rotate the shaft of the driving motor 231' clockwise or counterclockwise by pressing a button (not shown) without the need to manually operate the handle, through which the first The front wheel unit 120 and the rear wheel unit 130 may be operated by interlocking the gear unit 220 and the second gear unit 250 .
- the manipulation unit 230 ′ operates a driving motor 231 ′ connected to the first worm 422 of the first worm gear 420 , and the driving motor 231 ′. It may include a button unit (not shown) for operation.
- the operator may press the button (not shown) to rotate the shaft of the driving motor 231 ′ in a clockwise or counterclockwise direction, thereby interlocking the first worm gear 420 and the second worm gear 450 . to operate the front wheel part 120 and the rear wheel part 130 .
- the manipulation unit 230 ′ is a button unit for operating the driving motor 231 ′. It may include a control box 232' (not shown) provided.
- the operator can rotate the shaft of the drive motor 231' clockwise or counterclockwise by pressing the button provided in the control box 232', without the need for the operator to manually operate the handle,
- the front wheel The unit 120 and the rear wheel unit 130 may be operated.
- the trolley 100' having such a configuration operates the front wheel part 120 and the rear wheel part 130 through the driving motor 231', so that when loading and transporting a heavy object, it is manually operated in the process of crossing an obstacle.
- the front wheel part 120 and the rear wheel part 130 can be operated easily and easily.
- the front wheel part 120 and the rear wheel part 130 may be provided with wheel driving means 510 and 520 for electrically rotating the wheels, respectively.
- Such wheel driving means 510 and 520 may be respectively provided on the front wheel support 123 of the front wheel part 120 and the rear wheel support 133 of the rear wheel part 130, for example, the front wheel support 123.
- the first wheel driving means 510 is provided to rotate the first wheel 121
- the second wheel driving means 520 is provided on the rear wheel support 133 to rotate the third wheel 131 .
- the rear wheel supporter 133 in a state in which the second wheel 122 of the front wheel part 120 and the third wheel 131 of the rear wheel part 130 are supported on the ground, the rear wheel supporter 133 is The trolley 100 may be moved by rotating the third wheel 131 through the provided second wheel driving means 520 .
- the wheels of the front wheel part 120 and the rear wheel part 130 are switched by the operation member 200 , and the first wheel 121 of the front wheel part 120 and the fourth wheel 132 of the rear wheel part 130 are switched. ) is supported on the ground, the trolley 100 may be moved by rotating the first wheel 121 through the first wheel driving means 510 provided on the front wheel support 123 .
- the wheel driving means 510 and 520 are provided to drive the first wheel 121 of the front wheel part 120 and the third wheel 131 of the rear wheel part 130
- the present embodiment is not necessarily limited thereto, and wheel driving means 510 and 520 may be provided to drive the second wheel 122 of the front wheel part 120 and the fourth wheel 132 of the rear wheel part 130 .
- the wheel driving means 510 and 520 may be provided to drive all of the first to fourth wheels 121 , 122 , 131 and 132 .
- the first wheel driving means 510 includes a first electric motor 511 provided on the front wheel support 123 , and a first auxiliary bevel gear 512 axially coupled to the first electric motor 511 , and , may include a second auxiliary bevel gear 513 that is shaft-coupled to at least one of the first wheel 121 and the second wheel 122 and meshes with the first auxiliary bevel gear 512 .
- the second wheel driving means 520 includes a second electric motor 521 provided in the rear wheel support 133 , a third auxiliary bevel gear 522 axially coupled to the second electric motor 521 , and a first It may include a fourth auxiliary bevel gear 523 that is shaft-coupled to at least one of the three wheels 131 and the fourth wheel 132 and meshes with the third auxiliary bevel gear 522 .
- the electric motor it is possible to move the trolley 100' by the force of
- FIG. 18 is a plan view showing a direction changing structure provided in the trolley 100 according to an embodiment of the present invention
- FIG. 19 is a state in which the running direction of the trolley 100 shown in FIG. 18 is changed. it will be shown
- the trolley 100 of the present embodiment may include a steering member 600 capable of changing the traveling direction of the trolley through a link connection structure.
- the steering member 600 connects the front wheel part 120 and the rear wheel part 130 through a link connection structure, so that the front wheel part 120 and the rear wheel part 130 according to the manipulation of the steering handle 610 . ) can change the direction of travel.
- the steering member 600 includes a steering handle 610 provided at the rear of the loading plate 110 and a rear wheel coupled to the lower portion of the loading plate 110 and connected to both sides of the first rotation shaft 210 .
- It may include a steering link unit 640 to convert the.
- the steering link unit 640 is provided integrally with the steering handle 610 and includes a first steering frame 641 connected to the rear wheel link unit 620 and a second steering frame connected to the front wheel link unit 630 . It may include a 642 and a steering link 643 connected between the first steering frame 641 and the second steering frame 642 .
- the steering handle 610 protrudes upward from the rear of the loading plate 110 , so that the operator can move the trolley 100 by holding the steering handle 610 .
- Universal joints 211 and 241 may be provided on both left and right axes of the first rotation shaft 210 and the second rotation shaft 240 .
- the rear wheel link unit 620 is connected to both sides of the first rotation shaft 210 provided with the rear wheel unit 130, and the front wheel link unit 630 is a second rotation axis provided with the front wheel unit 120 ( 240) may be connected to both sides.
- a hub 650 may be provided at a connection portion between the first rotation shaft 210 and the rear wheel link unit 620 and at a connection portion between the second rotation shaft 240 and the front wheel link unit 630 , respectively.
- the end of the first rotation shaft 210 provided with the rear wheel 130 is disposed through the hub 650, and the rear wheel link unit 620 is coupled to the outer surface of the hub 650,
- the end of the first rotation shaft 210 provided with the rear wheel part 130 and the rear wheel link part 620 may be connected to each other, and the second rotation shaft 240 and the front wheel link part 630 are also the hub 650 in the same way. can be connected via
- the rear wheel link unit 620 includes a first link 621 connected between one side of the first rotation shaft 210 and the first steering frame 641 , the other side of the first rotation shaft 210 and the first A second link 622 connected between the steering frames 641 may be included.
- the front wheel link unit 630 includes a third link 631 connected between one side of the second rotation shaft 240 and the second steering frame 642 , and the other side and the second side of the second rotation shaft 240 .
- a fourth link 632 connected between the steering frames 642 may be included.
- the first steering frame 641 to which the first and second links 621 and 622 are connected is disposed at the lower rear of the loading plate 110 , and the second to which the third and fourth links 631 and 632 are connected.
- the steering frame 642 is disposed at the lower front of the loading plate 110 , and the first steering frame 641 and the second steering frame 642 may be connected by a steering link 643 .
- first steering frame 641 and the rear end of the second steering frame 642 may be rotatably fixed to the lower portion of the loading plate 110 .
- the first and second links 621 and 622 may change the driving direction of the pair of rear wheel units 130 connected through the hub 650 to the left.
- the steering link 643 connected to the first steering frame 641 rotates the rear end of the second steering frame 642 to the left
- the third and fourth links 631 connected to the second steering frame 642 are , 632
- the third and fourth links 631 and 632 may change the driving direction of the pair of front wheel units 120 connected through the hub 650 to the right.
- the direction of the front wheel part 120 and the rear wheel part 130 can be simultaneously changed through the steering handle 610, so that the driving direction of the trolley 100 can be minimized by minimizing the driving radius. can be switched
- FIG. 20 shows another example of a direction change structure provided in the trolley 100 according to an embodiment of the present invention.
- the trolley 100 of this embodiment can easily change directions while driving through the swivel wheel structure provided on the third and fourth wheels 131 and 132 of the rear wheel part 130 .
- the rear wheel part 130 has a direction fixing device 150 for fixing the swivel direction of the third wheel 131 and the fourth wheel 132 rotating about the rear wheel support 133 as an axis by a swivel wheel structure. can be provided.
- the swivel directions of the third and fourth wheels 131 and 132 of the rear wheel 130 are not fixed, and the third wheel 131 or the fourth wheel 132 according to the rotation of the first rotation shaft 210 . ) is supported on the ground, even if the direction of the wheel is slightly shifted, it may interfere with the rolling motion, and if excessive force is applied, the wheel may be damaged.
- the operator can fix the swivel direction of the third and fourth wheels 131 and 132 by stepping on the direction fixing device 150 provided on the third and fourth wheels 131 and 132 of the rear wheel 130 with their feet, Thereafter, the first and second rotation shafts 210 and 240 are rotated through the operation member 200 to operate the front wheel part 120 and the rear wheel part 130, and through this, the rolling motion of the wheels in the process of crossing the obstacle can be controlled. At the same time, it is possible to prevent damage to the wheel while making it easy.
- the front wheel unit 120 and the rear wheel unit 130 are operated in conjunction with a simple operation so that the front wheel unit 120 crosses the obstacle and then the rear wheel
- the cargo can be transported by easily crossing obstacles such as the coaming member 20 or the door seal 40 in the hull without interference.
- the marine structure 1000 in the hull, without the installation of an inclined ramp or a lifting hoist, the coaming member 20 or the closed area 30 fixedly installed on the deck 10 at the entrance of the By providing the trolleys 100 and 100' that can naturally pass over the formed door seal 40, etc., it is possible to safely transport the goods to the destination in the hull.
- the coaming member 20 or the trolley 100 that can easily pass over obstacles such as the door seal 40 since the coaming member 20 or the trolley 100 that can easily pass over obstacles such as the door seal 40 is provided, the coaming member 20 can be fixedly installed on the deck 10 so that the fluid Diffusion can be effectively suppressed, and the positive or negative pressure in the enclosed area 30 can be easily controlled by maintaining the door seal 40 formed at the entrance and exit of the closed area 30 as it is.
- the trolley according to an embodiment of the present invention operates the front and rear wheels with a simple operation without installing an inclined ramp or a lifting hoist for passing obstacles, so that obstacles disposed on the ground can be naturally crossed without interference, a plurality of coaming members and It can be easily applied to an offshore structure in which a door seal is installed, and can be effectively used in the overall construction industry where a trolley is used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Handcart (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims (15)
- 운반물이 적재되는 적재 플레이트;상기 적재 플레이트 하부의 전방에 축 결합되는 전륜지지대와, 상기 전륜지지대의 양단부에 각각 구비되어 상기 축의 회전반경을 따라 회동하며, 주행 시 지면에 선택적으로 안착하여 구동되는 한 쌍의 바퀴를 포함하는 전륜부;상기 적재 플레이트 하부의 후방에 축 결합되는 후륜지지대와, 상기 후륜지지대의 양단부에 각각 구비되어 상기 축의 회전반경을 따라 회동하며, 주행 시 지면에 선택적으로 안착하여 구동되는 한 쌍의 바퀴를 포함하는 후륜부; 및기어 결합 구조를 통해 상기 전륜부의 한 쌍의 바퀴와 상기 후륜부의 한 쌍의 바퀴가 상호 연동하여 정렬되도록 연결하고, 상기 전륜부의 한 쌍의 바퀴 중 적어도 하나의 위치를 조절하는 작동부재를 포함하는 트롤리.
- 제 1항에 있어서,상기 적재 플레이트와 상기 전륜부 사이에 구비되는 이동 보조부재를 더 포함하고,상기 이동 보조부재는,상기 전륜부의 축에 구비되고, 상기 작동부재와 연동하는 피니언기어; 및상기 적재 플레이트의 하부에 구비되고, 상기 피니언기어와 맞물려 상기 피니언기어의 회전에 따라 상기 적재 플레이트를 소정간격 전진 또는 후진시키는 랙기어를 포함하여,상기 작동부재의 조작에 따라 상기 피니언기어가 시계 방향 또는 반시계 방향으로 회전되어, 상기 전륜부가 장애물을 넘을 때 상기 적재 플레이트를 소정간격 전진시키고, 상기 후륜부가 장애물을 넘을 때는 상기 적재 플레이트를 소정간격 후진시키는 트롤리.
- 제 1항에 있어서,상기 작동부재는,핸들이 구비된 수동식 또는 모터가 구비된 전동식으로 이루어지는 조작부를 포함하는 트롤리.
- 제 1항에 있어서,상기 작동부재는,상기 후륜부의 축에 구비되는 제1 기어부;상기 제1 기어부와 연결되어, 상기 제1 기어부를 회전시키도록 구비되는 조작부;상기 전륜부의 축에 구비되는 제2 기어부; 및상기 제1 기어부의 회전력을 상기 제2 기어부로 전달하는 샤프트부재를 포함하는 트롤리.
- 제 4항에 있어서,상기 제1 기어부는,상기 후륜부의 축에 구비되는 제1 베벨기어;상기 제1 베벨기어와 맞물리게 결합되고 상기 조작부와 연결되는 제2 베벨기어; 및상기 제1 베벨기어와 맞물리게 결합되고 상기 샤프트부재와 연결되는 제3 베벨기어를 포함하고,상기 제2 기어부는,상기 전륜부의 축에 구비되는 제4 베벨기어; 및상기 제4 베벨기어와 맞물리게 결합되고 상기 샤프트부재와 연결되는 제5 베벨기어를 포함하는 트롤리.
- 제 1항에 있어서,상기 작동부재는,상기 후륜부의 축에 구비되는 제1 웜기어;상기 제1 웜기어와 연결되어, 상기 제1 웜기어를 회전시키도록 구비되는 조작부;상기 전륜부의 축에 구비되는 제2 웜기어; 및상기 제1 웜기어의 회전력을 제2 웜기어로 전달하는 샤프트부재를 포함하는 트롤리.
- 제 6항에 있어서,상기 제1 웜기어는,상기 후륜부의 축에 구비되는 제1 웜휠; 및일측이 상기 조작부에 연결되고 타측이 상기 샤프트부재에 연결되며 상기 제1 웜휠과 맞물리게 결합되는 제1 웜을 포함하고,상기 제2 웜기어는,상기 전륜부의 축에 구비되는 제2 웜휠; 및상기 샤프트부재에 연결되고 상기 제2 웜휠과 맞물리게 결합되는 제2 웜을 포함하는 트롤리.
- 제 1항에 있어서,링크 연결 구조를 통해 상기 전륜부와 후륜부 사이를 연결하여, 핸들 조작에 따라 상기 전륜부와 후륜부의 주행방향을 전환시키는 조향부재를 더 포함하는 트롤리.
- 제 8항에 있어서,상기 조향부재는,상기 적재 플레이트의 후방에 구비되는 조향핸들;상기 적재 플레이트의 하부에 결합되고 상기 후륜부의 축과 연결되는 후륜 링크부;상기 적재 플레이트의 하부에 결합되고 상기 전륜부의 축과 연결되는 전륜 링크부; 및상기 조향핸들, 후륜 링크부 및 전륜 링크부를 연결하고, 상기 조향핸들의 조작에 따라 상기 후륜 링크부와 전륜 링크부를 동작시켜 상기 전륜부와 후륜부의 주행방향을 전환시키는 조향 링크부를 포함하는 트롤리.
- 제 9항에 있어서,상기 조향 링크부는,상기 조향핸들과 일체로 구비되고 상기 후륜 링크부와 연결되는 제1 조향프레임;상기 전륜 링크부와 연결되는 제2 조향프레임; 및상기 제1 조향프레임과 상기 제2 조향프레임 사이에 연결되는 조향링크를 포함하고,상기 후륜부의 축과 상기 전륜부의 축에는 각각 대응하는 상기 후륜 링크부와 상기 전륜 링크부를 연결하기 위한 허브가 구비되며,상기 허브에는 상기 후륜부 또는 전륜부의 축이 관통하고, 외측면에 대응하는 상기 후륜 링크부 또는 상기 전륜 링크부가 결합되는 트롤리.
- 제 1항에 있어서,상기 전륜지지대에 구비되어 상기 전륜부의 한 쌍의 바퀴 중 적어도 하나를 회전시키는 제1 바퀴 구동수단; 및상기 후륜지지대에 구비되어 상기 후륜부의 한 쌍의 바퀴 중 적어도 하나를 회전시키는 제2 바퀴 구동수단을 더 포함하는 트롤리.
- 운반물이 이동하고, 설치되는 데크;상기 데크 상에 고정 설치되어, 유체의 확산을 억제하는 적어도 하나의 코밍 부재; 및상기 적어도 하나의 코밍 부재를 경사램프 없이 통과하여, 상기 데크의 일 영역으로 상기 운반물을 이동시키는 트롤리를 포함하는 해양 구조물.
- 제 12항에 있어서,상기 트롤리는,운반물이 적재되는 적재 플레이트;상기 적재 플레이트 하부의 전방에 축 결합되는 전륜지지대와, 상기 전륜지지대의 양단부에 각각 구비되어 상기 축의 회전반경을 따라 회동하며, 주행 시 지면에 선택적으로 안착하여 구동되는 한 쌍의 바퀴를 포함하는 전륜부;상기 적재 플레이트 하부의 후방에 축 결합되는 후륜지지대와, 상기 후륜지지대의 양단부에 각각 구비되어 상기 축의 회전반경을 따라 회동하며, 주행 시 지면에 선택적으로 안착하여 구동되는 한 쌍의 바퀴를 포함하는 후륜부; 및기어 결합 구조를 통해 상기 전륜부의 한 쌍의 바퀴와 상기 후륜부의 한 쌍의 바퀴가 상호 연동하여 정렬되도록 연결하고, 상기 전륜부의 한 쌍의 바퀴 중 적어도 하나의 위치를 조절하는 작동부재를 포함하는 해양 구조물.
- 내부 밀폐를 위한 도어와 기 설정된 높이의 도어실을 구비하고, 선택적으로 내부에 양압 또는 음압이 형성되는 밀폐구역; 및상기 도어실을 경사램프 없이 통과하여, 상기 밀폐구역 내부의 일 영역으로 운반물을 이동시키는 트롤리를 포함하는 해양 구조물.
- 제 14항에 있어서,상기 트롤리는,상기 운반물이 적재되는 적재 플레이트;상기 적재 플레이트 하부의 전방에 축 결합되는 전륜지지대와, 상기 전륜지지대의 양단부에 각각 구비되어 상기 축의 회전반경을 따라 회동하며, 주행 시 지면에 선택적으로 안착하여 구동되는 한 쌍의 바퀴를 포함하는 전륜부;상기 적재 플레이트 하부의 후방에 축 결합되는 후륜지지대와, 상기 후륜지지대의 양단부에 각각 구비되어 상기 축의 회전반경을 따라 회동하며, 주행 시 지면에 선택적으로 안착하여 구동되는 한 쌍의 바퀴를 포함하는 후륜부; 및기어 결합 구조를 통해 상기 전륜부의 한 쌍의 바퀴와 상기 후륜부의 한 쌍의 바퀴가 상호 연동하여 정렬되도록 연결하고, 장애물 직면 시, 상기 장애물의 회피를 위해 상기 전륜부 및 후륜부의 한 쌍의 바퀴 중 지면에 안착된 바퀴를 지면으로부터 이격시키는 작동부재를 포함하는 해양 구조물.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112022026357A BR112022026357A2 (pt) | 2020-07-07 | 2021-07-07 | Trólei e estrutura fora da costa que tem o mesmo |
EP21838892.4A EP4180304A1 (en) | 2020-07-07 | 2021-07-07 | Trolley and offshore structure having same |
CN202180039654.3A CN115702102A (zh) | 2020-07-07 | 2021-07-07 | 台车及具备其的海洋构造物 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2020-0083326 | 2020-07-07 | ||
KR1020200083326A KR102283429B1 (ko) | 2020-07-07 | 2020-07-07 | 트롤리 |
KR10-2020-0183058 | 2020-12-24 | ||
KR1020200183058A KR20220091876A (ko) | 2020-12-24 | 2020-12-24 | 트롤리 |
KR1020210087355A KR20230006307A (ko) | 2021-07-02 | 2021-07-02 | 해양 구조물 |
KR10-2021-0087355 | 2021-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022010251A1 true WO2022010251A1 (ko) | 2022-01-13 |
Family
ID=79553336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2021/008635 WO2022010251A1 (ko) | 2020-07-07 | 2021-07-07 | 트롤리 및 이를 구비하는 해양 구조물 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4180304A1 (ko) |
CN (1) | CN115702102A (ko) |
BR (1) | BR112022026357A2 (ko) |
WO (1) | WO2022010251A1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030022172A (ko) * | 2003-01-09 | 2003-03-15 | 김서림 | 계단, 경사로, 험로 주행장치 |
KR20050018697A (ko) * | 2003-08-08 | 2005-02-24 | 삼우중공업 주식회사 | 링크식 후륜 강제조향장치 |
KR200438679Y1 (ko) * | 2007-01-25 | 2008-02-29 | 근우테크 주식회사 | 운전 안정도가 유지되는 4륜구동 운반차 |
KR200453381Y1 (ko) * | 2009-10-23 | 2011-04-29 | 근우테크 주식회사 | 동력원 및 제동장치가 직설된 차동기어유니트를 이용한 4륜구동 운반차 |
KR200466376Y1 (ko) * | 2011-10-26 | 2013-04-12 | 대우조선해양 주식회사 | 선박용 카트 |
JP2019182177A (ja) * | 2018-04-09 | 2019-10-24 | Thk株式会社 | 搬送カート |
-
2021
- 2021-07-07 WO PCT/KR2021/008635 patent/WO2022010251A1/ko unknown
- 2021-07-07 EP EP21838892.4A patent/EP4180304A1/en active Pending
- 2021-07-07 BR BR112022026357A patent/BR112022026357A2/pt unknown
- 2021-07-07 CN CN202180039654.3A patent/CN115702102A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030022172A (ko) * | 2003-01-09 | 2003-03-15 | 김서림 | 계단, 경사로, 험로 주행장치 |
KR20050018697A (ko) * | 2003-08-08 | 2005-02-24 | 삼우중공업 주식회사 | 링크식 후륜 강제조향장치 |
KR200438679Y1 (ko) * | 2007-01-25 | 2008-02-29 | 근우테크 주식회사 | 운전 안정도가 유지되는 4륜구동 운반차 |
KR200453381Y1 (ko) * | 2009-10-23 | 2011-04-29 | 근우테크 주식회사 | 동력원 및 제동장치가 직설된 차동기어유니트를 이용한 4륜구동 운반차 |
KR200466376Y1 (ko) * | 2011-10-26 | 2013-04-12 | 대우조선해양 주식회사 | 선박용 카트 |
JP2019182177A (ja) * | 2018-04-09 | 2019-10-24 | Thk株式会社 | 搬送カート |
Also Published As
Publication number | Publication date |
---|---|
CN115702102A (zh) | 2023-02-14 |
EP4180304A1 (en) | 2023-05-17 |
BR112022026357A2 (pt) | 2023-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2019212117A1 (ko) | 케미컬 용기 자동이송장치 및 자동이송방법 | |
WO2014109446A1 (ko) | 접이식 컨테이너 | |
WO2017150933A1 (ko) | 가변형 중력토크 보상장치 및 이의 제어 방법 | |
WO2022010251A1 (ko) | 트롤리 및 이를 구비하는 해양 구조물 | |
WO2019143014A1 (ko) | 역추진 균형 기능을 갖는 드론 | |
WO2017171273A1 (ko) | 무인선 회수용 결합장치 및 이를 이용한 결합 제어방법 | |
WO2013133521A1 (ko) | 운송 장치 및, 이를 이용한 수송 시스템 | |
WO2011081282A2 (ko) | 전기 화물열차를 이용한 컨테이너 운반용 이동식 전차선 시스템 | |
WO2015020305A1 (ko) | 패널 부착장치 | |
WO2017095162A1 (ko) | 자동 구동 전환장치 | |
WO2020013479A1 (ko) | 케미컬 용기 자동이송장치 및 자동이송방법 | |
WO2023027350A1 (ko) | 선저 청소 통합 플랜트에 채용되는 이동형 청소 시스템 | |
WO2015122704A1 (ko) | 삼각휠 구동 장치 | |
WO2022080961A1 (ko) | 선저 청소 시스템 | |
WO2022119255A1 (ko) | 비평탄 지형용 차량 | |
WO2024080660A1 (ko) | 이송 장치 | |
WO2020130589A2 (ko) | 지하철 광고판 부착형 비상도어 개폐장치 및 광고판 부착형 비상도어 조립체 | |
WO2011030994A1 (ko) | 무한궤도차량, 수륙양용 무한궤도, 무한궤도용 트랙슈, 방향 조작이 가능한 수동형 무한궤도차량 | |
WO2017014531A1 (ko) | 무개화차용 자동 덮개장치 | |
WO2020204634A1 (ko) | 도포 장치 | |
WO2020226263A1 (ko) | 전력 케이블 풀러 및 전력 케이블 풀러 시스템 | |
WO2021107596A1 (ko) | 자가발전하는 공육양용 드론비행자동차 | |
US4237809A (en) | Cover for a barge | |
WO2013027924A1 (ko) | 도장 장치 | |
WO2024014889A1 (ko) | 스마트 컨베이어 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21838892 Country of ref document: EP Kind code of ref document: A1 |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112022026357 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112022026357 Country of ref document: BR Kind code of ref document: A2 Effective date: 20221222 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021838892 Country of ref document: EP Effective date: 20230207 |