WO2012018224A2 - 웜기어형 구동부, 웜기어형 구동부를 이용한 엘리베이터 및 엘리베이터 시스템 - Google Patents
웜기어형 구동부, 웜기어형 구동부를 이용한 엘리베이터 및 엘리베이터 시스템 Download PDFInfo
- Publication number
- WO2012018224A2 WO2012018224A2 PCT/KR2011/005704 KR2011005704W WO2012018224A2 WO 2012018224 A2 WO2012018224 A2 WO 2012018224A2 KR 2011005704 W KR2011005704 W KR 2011005704W WO 2012018224 A2 WO2012018224 A2 WO 2012018224A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- worm
- worm gear
- elevator
- gear body
- driving unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
- B66B9/025—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable by screw-nut drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
- B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
- B66B11/005—Arrangement of driving gear, e.g. location or support in the hoistway on the car
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/003—Kinds or types of lifts in, or associated with, buildings or other structures for lateral transfer of car or frame, e.g. between vertical hoistways or to/from a parking position
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- 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
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
- F16H25/12—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation along the axis of rotation, e.g. gearings with helical grooves and automatic reversal
- F16H25/122—Gearings with helical grooves and automatic reversal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
- Y10T74/18792—Reciprocating or oscillating to or from alternating rotary including worm
Definitions
- the present invention relates to an elevator or other lifting device, and more particularly to an elevator capable of moving a car of an elevator without wires or ropes.
- An elevator is a device for transporting people or cargo vertically and vertically in response to gravity, and is used throughout high-rise buildings as well as low-rise buildings.
- the elevator has a rope type elevator and a hydraulic elevator according to the driving method, in addition to the screw type, rack and pinion type, etc., elevators using a linear motor instead of a hoist appeared.
- the rope elevator has a machine room for driving the elevator on the top floor, and a traction machine of the machine room moves the cabin up and down by connecting a car and a balance weight with a rope.
- a machine room may be detrimental to the building for several reasons, such as height limitations.
- the elevator is a low-speed elevator moving to less than 45m / min, a normal speed elevator moving to 60 ⁇ 105m / min, a high-speed elevator moving to about 120 ⁇ 300m / min, and moving to about 360m / min or more It can be classified as a high speed elevator.
- the rope weighs only 20 tons (t).
- the weight of the chain and counterweights adds up to a surprisingly large amount of power required to accelerate the elevator at high speed.
- the elevator which is too heavy due to the rope, must be accelerated at a very high speed, and therefore the motor of the hoist must also be provided with a significantly larger capacity than a general motor.
- Conventional screw-type elevators utilize a structure in which a long post that is threaded is erected and a sleeve corresponding to the nut is installed in the cabin.
- the cabin is moved up and down by rotating the prop, so that it is used in a small simple elevator or when the fluid is difficult to move.
- the present invention provides a ropeless elevating device.
- the present invention provides a lifting device that can safely support the cabin using physical contact, and can increase the elevator efficiency without friction.
- the present invention provides an environment-friendly lifting device that can be practically high and can expect an energy regeneration effect.
- the lifting device moving along the lifting space in the building, the car unit moving along the lifting space (car), the worm drive unit moving along with the cabin and the rotation axis is parallel to the movement path of the cabin
- a worm support part provided in the lifting space along the movement path of the cabin part at intervals of teeth of the worm drive part.
- the lifting device can be lifted and lifted by the operation of the worm driving unit with respect to the worm support unit, and the worm driving unit and the worm support unit maintain low resistance contact, thereby reducing friction of the lifting device and improving lifting efficiency.
- the worm support part may be mainly fixed to the outer wall of the lifting space, and may include a plurality of support teeth that are engaged with the teeth of the worm drive part, and the cabin part and the worm drive part freely fall due to gravity. Prevents danger.
- the worm driving unit includes a wormgear body in the form of a wormgear, and the worm gear may be engaged with the support of the worm supporting parts arranged at equal intervals to provide a force for lifting. .
- the worm drive unit alone can provide sufficient force for lifting, and assuming that the support values of the worm supports are arranged at intervals of about 40 cm, the worm gear body is about 360 m / min suitable for high speed elevators at a rotation speed of about 900 rpm. Speed can be implemented sufficiently. Of course, the ultra high speed of 600 ⁇ 1500m / min can also be fully implemented.
- the cabin part can be vertically moved by the interaction between the worm drive unit and the worm support unit, and a rope as in the prior art is not used. Therefore, it can overcome the inefficiency according to the rope weight even when used in a high-rise building, and can use energy efficiently because it does not have to move tens of tons of rope.
- a building may be understood as a concept including a connection structure connecting a building or a place, in addition to a general building, a tower, an apartment, and the like, and a lift space is not limited to only a closed space in the building, but partially. It may also include open spaces.
- the cabin (car) is to support and protect the person or cargo, and transport, it can be provided in a state in which the space in the cabin is temporarily closed or partially open, the structure for transporting the cabin without shaking Or rails may also be provided.
- low resistant contact refers to a contact in which frictional force is reduced through an artificial method rather than direct friction, as well as a rolling contact using a roller, as well as a rolling bearing or an air bearing.
- it may include a structure that removes or reduces friction, and may also include a structure that performs low resistance surface treatment, such as lubrication surface formation.
- the rolling contact using the roller provides a near zero friction in a simple structure, and can be simply implemented without any additional equipment or treatment.
- the worm driving portion and the worm supporting portion are in contact with a plurality of tooth surfaces up and down, and can form a low resistance contact by using a permanent magnet or an electromagnet in the adjacent tooth surface. In this case, the worm driving portion can slide smoothly without resistance on the worm supporting portion.
- the lifting device of the present invention does not use a rope or a wire, it is possible to improve the inefficiency according to the huge weight of the rope, and a skyscraper or a high-speed elevator can expect a greater energy saving effect.
- the lifting device can utilize or save the space occupied by the rope or counterweight, and also implement various configurations and various lifting systems such as twin elevators, triple elevators This is easy.
- the lifting device of the present invention can reduce the number of lifting spaces by increasing the transportation efficiency, and can effectively use its own area occupied by each lifting space, thereby ensuring a large number of residential or living spaces in the same space. As a building owner, it is possible to secure more pre-sale space while maintaining the same amount of transportation, which is why the economic effect is very high.
- the elevating device of the present invention can prevent the accidental fall of the cabin part even if the worst-case situation that the power is cut off or the braking device is disabled. Due to the characteristics of the worm gear, even if it is descending, when the motor stops, the descending speed is reduced smoothly and physically stopped.Even if the descending speed is maintained at a safe low speed even when moving, it is also excellent for occupant protection. Do. In this case, the burden on the stability of the braking device can be reduced, and a new need for braking can be applied.
- the present invention using the worm drive unit can sufficiently cope with the high rise by the installation of the worm support, and the installation cost and burden does not increase even if the high rise continues.
- the lifting device of the present invention does not need a machine room on the top floor, and the machine room on the top floor does not need to be separately provided, so that the utilization of the top floor can be increased even in the architectural design, and free design is possible even in the height limit of the building.
- the drive motor may be applied to the outside and inside of the worm gear body.
- the drive motor When the drive motor is applied to the inside of the worm gear body, that is, when the housing of the drive motor is formed as the worm gear body, the weight and volume of the worm drive unit may be increased. While significantly reducing, the output and efficiency of the worm drive can be greatly increased.
- the cabin part may be moved in an inclined direction rather than a vertical direction, or may be moved along a curved path rather than a straight line, and suitable shift If a shift structure is developed, driving may be realized not only in the vertical direction but also in the horizontal direction.
- FIG. 1 is a block diagram of a lifting device according to an embodiment of the present invention.
- FIG. 2 is a configuration diagram of a lifting system using the lifting device of FIG. 1.
- FIG. 3 is a front view illustrating a coupling relationship between a worm driving unit and a worm supporting unit in the lifting device of FIG. 1.
- FIG. 4 is a plan view illustrating a coupling relationship between a worm driving unit and a worm supporting unit in the lifting device of FIG. 1.
- FIG. 5 is a block diagram of a lift apparatus according to another embodiment of the present invention.
- FIG. 6 is a view for explaining the coupling relationship between the worm driving unit and the worm support in the lifting device of FIG.
- FIG. 7 is a plan view illustrating the lift apparatus of FIG. 5.
- FIG. 8 is a plan view illustrating a coupling relationship between a worm driving unit and a worm supporting unit in the lifting device of FIG. 5.
- FIG. 9 is a plan view for explaining a worm support according to another embodiment of the present invention.
- FIG. 10 is a cross-sectional view for explaining a worm driving unit according to an embodiment of the present invention.
- FIG. 11 is a plan view for explaining a lift apparatus according to an embodiment of the present invention.
- FIG. 12 is a block diagram of a recirculating elevator system according to an embodiment of the present invention.
- FIG. 14 is an enlarged view for explaining an upper portion of the elevator system of FIG. 12.
- FIG. 15 is a plan view illustrating an upper portion of the elevator system of FIG. 12.
- 16 is a configuration diagram illustrating the ropeless elevator of FIG. 12.
- 17 is a plan view for explaining a worm driving unit of the ropeless elevator of FIG.
- FIG. 18 is a front view for explaining the worm driving unit of FIG.
- FIG. 19 is a plan view illustrating the elevator of FIG. 16.
- 20 is a cross-sectional view for explaining the interior of the worm drive unit.
- 21 is a view for explaining a worm driving unit according to another embodiment of the present invention.
- FIG. 22 is a configuration diagram illustrating a recirculating elevator system according to another embodiment of the present invention.
- FIG. 23 is a top view of the elevator system of FIG. 22.
- FIG. 24 is an enlarged front view of the upper portion of the elevator system of FIG.
- FIG. 1 is a block diagram of a lifting device according to an embodiment of the present invention
- Figure 2 is a block diagram of a lifting system using the lifting device of FIG.
- the lifting device 100 includes a cabin unit 110, a lifting frame 120, a worm driving unit 130, and a worm supporting unit 170.
- the cabin 110 of 100 may move along the elevation space 10 in the building by the interaction between the worm drive 130 and the worm support 170.
- the lifting device 100 may further include an independent control unit 180, an air conditioner 185, a wireless communication module 190, and the like, and may smoothly drive and control the lifting device 100.
- the worm driver 130 includes a worm gear body 140 having a wormgear shape, and teeth 142 are formed on an outer surface of the worm gear body 140.
- the worm gear body 140 includes a rotating shaft arranged in parallel with the traveling direction on the elevating device 100 and rotatably mounted about the rotating shaft.
- the worm support part 170 is provided in the lifting space 10 corresponding to the teeth 142 of the worm gear body 140.
- the worm support part 170 includes rollers 175 disposed at uniform intervals. do.
- the worm drive unit 130 rotates the worm gear body 140 in the lifting device, the tooth surface of the worm gear body 140 is supported by the roller 175 of the worm support unit 170, the worm in accordance with the rotation of the worm gear body 140
- the roller 175 of the support 170 may slide up or down as if sliding together with the cabin 110.
- the cabin 110 can be elevated using the worm drive 130, it does not use a conventional rope or wire, and there is no need to install a hoist or a machine room on the top floor. That is, using the worm driving unit 130 is installed in the upper or lower portion of each compartment 110, it is possible to switch the rotation of the worm drive 130 to the vertical movement of the compartment 110 without depending on the rope. .
- the drive system of the elevating device 100 is simplified, and by eliminating the rope, it is possible to eliminate the burden on the weight of the huge rope when applied to the skyscraper.
- the structure can also remove the burden on the smooth movement of the rope and counterweight hypothesis.
- the presently developed drive motor can provide sufficient maneuverability, and the initial control, low speed maintenance, high speed maintenance and deceleration can be easily performed through motor control.
- the ropeless lifting device 100 using the worm driving unit 130 may be variously applied.
- the pitch of the support teeth of the worm support unit 170 may be moved. Therefore, assuming that the pitch of the worm support unit 170 is about 25 to 40 cm, the worm drive unit 130 can provide a sufficient speed of about 500 to 800 m / min with only about 2000 rpm of rotation. That is, as shown on the left side, it is possible to easily implement the ultra-high speed elevator.
- the elevator apparatus 100 is controlled by using the wireless communication module 190 mounted on the mutual cabin unit 110. Can be easily performed. In particular, since there are no obstacles in the lifting space 10, the use of the wireless communication module 190 may be easier.
- the elevating device 100 may prevent an accident in which the cabin unit 110 falls down by force even when a worst-case situation occurs in which power is cut off or the braking device is disabled. Due to the characteristics of the worm gear, even if it is descending, if the motor stops, the lowering of the motor can be smoothly decelerated, as well as physically stopped.Even if the lowering continues, the descending speed is maintained at a safe low speed. Can be protected safely.
- the cabin unit 110 may be stably moved in the lifting space by the lifting frame 120, and the lifting frame 120 may use the lifting space 10 using the rollers 124 located at the corners. Can be guided to move without shaking.
- the worm drive unit 130 is mounted on the support frame 126, the room portion 110 and the lifting frame 120 may move together by the worm drive unit 130.
- a rail having a T-shaped cross section parallel to the moving path of the cabin 110 may be formed as in the related art, and the cabin 110 may move along the T-shaped rail.
- the worm driving unit 130 may include a worm gear body 140, a driving motor 150, and a transmission 160.
- the drive motor 150 may be located outside the worm gear body 140, and may rotate the worm gear body 140 in both directions through the transmission 160.
- the upper and lower ends of the worm gear body 140 are supported by the bearing and may rotate under the driving force of the driving motor 150.
- FIG. 3 is a front view illustrating a coupling relationship between a worm drive unit and a worm support unit in the lifting device of FIG. 1
- FIG. 4 is a plan view illustrating a coupling relationship between the worm drive unit and the worm support unit in the lifting device of FIG. 1.
- the worm support unit 170 includes rollers 175 disposed at equal intervals, and one or two or more rollers 175 may be disposed on each roller shaft.
- the roller 175 constituting the support tooth may be formed of a rigid body, and the surface of the roller 175 may be formed of a urethane material or the like for vibration absorption or buffering.
- the roller 175 rotates by a bearing and substantially contacts the tooth surface of the worm gear body 140, thereby serving to vertically support the worm driving unit 130 and hinder rotation of the worm driving unit 130. I never do that.
- the plurality of rollers 175 up and down to support the tooth surface of each worm gear body 140 can distribute the load concentrated on the teeth of the worm gear body 140, the rollers 175 as a whole the worm gear body 140 ) To help keep it from shaking while maintaining contact with it.
- the roller 175 may be arranged to form an arc arrangement corresponding to the tooth surface shape of the worm gear body 140.
- the roller 175 may be arranged to be parallel to the rotational direction of the tooth surface of the worm gear body 140, that is, the circumferential direction, and the rotation axis of the roller 175 may be disposed to face the center of the worm gear body 140.
- the roller 175 may be provided in a disk shape or a spherical shape having a thin end in addition to the cylindrical shape.
- the tooth surface of the worm gear body 140 is supported by the roller 175, but may also be supported by another rotating body capable of rolling contact.
- a ball bearing that rotates freely without a rotating shaft may be used, and it is also possible to form a bearing surface with a slight friction but extremely narrow contact surface.
- low resistance contacts may also be used which exclude direct contact such as air bearings or magnetic levitation.
- the worm gear body 140 and the roller 175 are contacted without friction and no heat is generated, and noise or vibration can also be suppressed by slightly improving the quality of the bearing.
- the roller 175 actually rotates only when the worm driver 130 passes, the frequency of use of the roller 175 is substantially low, and its life may be semi-permanent in a normal situation without exception.
- the driving motor 150 of the worm driving unit 130 may maintain a state of being electrically connected to the power supply line 122 provided on the rail, and may continuously receive power for driving the driving motor 150.
- FIG. 5 is a configuration diagram of a lifting device according to another embodiment of the present invention
- Figure 6 is a view for explaining the coupling relationship between the worm drive unit and the worm support in the lifting device of Figure 5
- Figure 7 illustrates the lifting device of Figure 5 It is a top view for doing this.
- the lifting device 200 includes a cabin unit 210, a lifting frame 220, a worm driving unit 230, and a worm supporting unit 270.
- the room part 210 of the 200 may move along the lifting space 20 in the building by the interaction between the worm driving part 230 and the worm supporting part 270.
- the elevator 200 may further include an independent controller 280, an air conditioner 285, a wireless communication module 290, and the like, and may smoothly drive and control the elevator 200.
- the worm driver 230 includes a worm gear body 240, and teeth 242 are formed on an outer surface of the worm gear body 240.
- the worm gear body 240 includes a rotating shaft arranged in parallel with the traveling direction on the elevating device 200, and is rotatably mounted about the rotating shaft.
- the support teeth of the worm support part 270 are provided in the lifting space 20 corresponding to the teeth 242 of the worm gear body 240, and the worm support part 270 is formed in a rack shape corresponding to the worm gear body 240. It can function as a rack supporting part.
- the support teeth of the worm support 270 as the rack support in this embodiment include a support structure 272 arranged at even intervals, the support structure 272 receiving both ends of the roller shaft so that the top of the roller 275 is exposed. It has a structure
- the worm gear body 240 may include a motor structure capable of generating a driving force therein.
- the worm gear body 240 may be provided in a hollow form, and both ends of the worm gear body 240 may be rotatably mounted using a bearing on a rotation shaft.
- the stator 252 and the rotor 254 mounted on the inner surface of the worm gear body 240 may be fixed to the rotating shaft for driving, the stator 252 and the rotor 254 of the magnet and coil Combinations, coils and coil combinations, and the like.
- the tooth surface of the worm gear body 240 is supported by the roller 275 exposed to the upper surface of the support structure 272, and rides through the roller 275 of the worm support part 270 as the worm gear body 240 rotates. It may slide up or down with 210).
- the elevating device 200 may prevent an accident in which the cabin unit 210 falls helplessly even when a worst-case situation occurs in which power is cut off or the braking device is disabled. Due to the characteristics of the worm gear, even if it is descending, if the motor stops, the lowering of the motor can be smoothly decelerated, as well as physically stopped.Even if the lowering continues, the descending speed is maintained at a safe low speed. Can be protected safely.
- the worm drive unit 230 includes a worm gear body 240 having a motor structure therein itself, and can smoothly start, accelerate, speed, decelerate, and stop from a stop without a transmission or a reducer, and there is no reducer. Therefore, noise can be minimized.
- FIG. 8 is a plan view illustrating a coupling relationship between a worm driving unit and a worm supporting unit in the lifting device of FIG. 5.
- the support teeth of the worm support part 270 include a support structure 272 arranged at equal intervals and rollers 275 provided on the support structure 272, each roller shaft having a plurality of rollers. 275 may be disposed.
- the roller 275 may be formed of a rigid body, and the surface of the roller 275 may be formed of a urethane material or the like for vibration absorption or buffering.
- the plurality of roller pairs may be arranged in an inclined direction according to the inclination of the tooth surface of the worm gear body 240, and thus, the neighboring roller pairs may also be disposed with a slight height difference.
- Each roller 275 rotates by a bearing, and since the roller 275 substantially makes contact with the tooth surface of the worm gear body 240, serves to vertically support the worm drive unit 230 and to rotate the worm drive unit 230. Does not provide friction
- the plurality of rollers 275 up and down and left and right support the tooth surface of each worm gear body 240, the load concentrated on the teeth of the worm gear body 240 can be distributed, and the rollers 275 are the worm gear body 240 as a whole. ) To help keep it from shaking while maintaining contact with it.
- the roller 275 may be elastically supported by inserting a leaf spring or a damping structure in the roller shaft, and the roller 275 may be disposed to form an arc arrangement corresponding to the tooth surface shape of the worm gear body 240. Noise and vibration can be limited.
- the roller 275 may be provided in a disk shape or a spherical shape having a thin end in addition to the cylindrical shape.
- the tooth surface of the worm gear body 240 may be supported by another rotating body capable of rolling contact in addition to the roller.
- FIG. 9 is a plan view for explaining a worm support according to another embodiment of the present invention.
- the worm support 370 may include a plurality of rollers 375 and a support structure 372 for receiving the rollers 375.
- the number of rollers 375 mounted on one roller shaft may be increased by three or more, and a row of rollers 375 may be provided in the support structure 372 to minimize interference between left and right roller pairs.
- two or three or more rollers 375 are provided in a line, even if the inner and outer rotational speeds of the gears are different due to the radius difference, the rollers can efficiently rotate without slipping.
- FIG. 10 is a cross-sectional view for explaining a worm driving unit according to an embodiment of the present invention.
- the worm driver 230 includes a worm gear body 240 having a worm gear tooth 242 formed therein, and a drive module 250 including a stator and a rotor in the worm gear body 240. This is provided.
- the worm gear body 240 may rotate about the rotating shaft 244 fixed to the lifting frame, and a bearing 246 may be provided at both ends for frictionless rotation.
- the driving module 250 formed in the worm gear body 240 includes two pairs of stators and rotors.
- the worm gear body 240 may be provided in a hollow form.
- a coil stator 252 and a coil rotor 254 are provided as a coil-coil combination, and a coil stator 256 and a magnet rotor are provided as a coil-magnet combination.
- the former 258 can be provided.
- the coil rotor 254 may be provided in the form of an iron core rather than a coil.
- the rotation torque and the rotation speed may be appropriately adjusted, and induction power generation due to the rotation of the worm gear body 240 may also be expected.
- power generation may be caused in the relative rotation of the stator and the rotor, and the energy may be efficiently used while repeating the elevating.
- the cogging (cogging) phenomenon in this case may be a function to reduce the rotation of the worm gear body 240 by using the cogging phenomenon when the power is cut off.
- the tooth surface of the worm gear body 240 is supported by the roller 275 exposed to the upper surface of the support structure 272, the roller 275 of the worm support portion 270 in accordance with the rotation of the worm gear body 240 Ride up or down as if sliding with the cabin 210.
- a roller is used, when using an electromagnetic field using an electromagnet as described below, it can be made to rotate and move smoothly without physical resistance.
- a ventilation hole 248 through which the outside air can be introduced into the upper and lower portions of the worm gear body 240, the heat generated inside the outside air is introduced through the ventilation hole 248 Can be easily released to the outside.
- FIG. 11 is a plan view for explaining a lift apparatus according to an embodiment of the present invention.
- the worm driving unit 430 may include a plurality of worm gear bodies 440.
- Each worm gear body 440 may include a driving module therein, and the other including only the driving module may rotate dependently.
- the worm support part 470 may be provided at both sides corresponding to the worm driver 430.
- a drive motor may be mounted to the outside, and two worm gear bodies may be operated by one drive motor.
- FIG. 12 is a configuration diagram of a recirculating elevator system according to an embodiment of the present invention
- Figure 13 is a schematic diagram for explaining the elevator system of a building to which the circular elevator system is applied
- Figure 14 is a top view in the elevator system of FIG. It is an enlarged view for demonstrating a part
- FIG. 15 is a top view for demonstrating the upper part in the elevator system of FIG.
- FIG. 12 shows the circulating elevator system from the front, and (b) shows the side view.
- the circulation elevator system 1100 may assume a building including two or three or more lifting spaces.
- the first lifting space 1110 and the second lifting space 1120 will be described as a reference, and the first lifting space 1110 is responsible for raising the elevator and the second lifting space 1120 is used for the elevator. It is assumed that it is in charge of the descent, but it is also possible to operate three hoisting spaces or form them in various combinations.
- the elevator system 1100 includes a ropeless elevator 1200 and a switch frame 1300.
- the ropeless elevator 1200 uses a worm drive, which may be preferable, and describes the advantages of using a worm drive.
- different driving methods for example, a linear motor or a rack and pinion type rope, are described.
- a lease elevator can also be constructed.
- the elevator 1200 rises through the first lifting space 1110, and the lifted elevator 1200 may move to the second lifting space 1120 or another lifting space by the switch frame 1300.
- the switch frame 1300 located at the upper end thereof is opened to enable the entry of the elevator 1200, and after the position movement, the switch frame 1300 may be discharged downward.
- the elevator 1200 descending down along the second lifting space 1120 may enter the other switch frame 1300 at the bottom, and the position by the switch frame 1300 after entering After the change, the vehicle may move upward along the first lifting space 1110 again.
- the three switch frames 1300 may be positioned at the top or bottom of the first lifting space 1110 and the second lifting space 1120 while horizontally circulating.
- the elevator 1200 enters one of the three switch frames 1300, it moves to another lifting space, and after the movement, another switch frame 1300 is located in the empty space to enter another elevator 1200. You can do that.
- the elevator 1200 moved at the same time can send the elevator 1200 in another lifting space.
- the switch frame 1300 circulates in the clockwise direction, but may also buffer the elevator 1200 which continuously enters while circulating in the counterclockwise direction, and various rails such as a rotary rail and a square rail may be applied for this purpose. have.
- one or more circulating elevator systems may be provided in one building, and may be mixed with a non-circulating linear reciprocating elevator system.
- the circulating elevator system may also be classified according to a high speed or a low speed circulation, and in the case of a high speed circulation or a high speed mobile elevator, it may be configured to pass through a certain number of floor units or a specific floor instead of all the floors.
- a plurality of ropeless elevators 1200 may move together in one lifting space, and because they move only in one direction, users may quickly move between floors by minimizing waiting time.
- the junction 1320 may protrude from the lower or upper end of the switch frame 1300 to be coupled to the lifting space in the correct position.
- the elevator 1200 may move smoothly by maintaining a state in which the main guide 1470 and the extension guide 1370 having the shape of the worm support are aligned.
- the switch frame 1300 includes an extension guide 1370 having a worm support value, and the extension guide 1370 moves together with the movement of the switch frame 1300 so that the worm driving unit of the elevator 1200 is worm. There is no need to separate it from the support.
- the extension guide 1370 is not integrally formed with the switch frame 1300 and is installed in the lifting space so that the worm driving unit and the worm support unit may be separated when the switch frame 1300 moves.
- FIG. 16 is a configuration diagram illustrating the ropeless elevator of FIG. 12
- FIG. 17 is a plan view illustrating the worm driving unit of the ropeless elevator of FIG. 16
- FIG. 18 is a front view illustrating the worm driving unit of FIG. 16.
- 19 is a plan view for explaining the elevator of FIG.
- the ropeless elevator 1400 includes a cabin portion 1410, a lifting frame 1420, a worm drive unit 1430, and a worm support unit 1470, and includes a ropeless elevator 1400.
- the cabin unit 1410 may move along the lifting space in the building by the interaction between the worm driving unit 1430 and the worm supporting unit 1470.
- the ropeless elevator 1400 may further include an independent controller 1480, an air conditioner 1485, a wireless communication module 1490, and the like, and may smoothly drive and control the ropeless elevator 1400.
- the worm driving unit 1430 includes a worm gear body 1440 having a wormgear shape, and teeth 1442 are formed on an outer surface of the worm gear body 1440.
- the worm gear body 1440 includes a rotating shaft arranged side by side in the ropeless elevator 1400 in a traveling direction, and is rotatably mounted about the rotating shaft.
- the worm support 1470 is provided in the lifting space corresponding to the teeth 1442 of the worm gear body 1440.
- the teeth 1442 and the worm support 1470 of the worm gear body 1440 have the same polarity. Permanent magnets or electromagnets may be provided.
- the worm driving unit 1430 rotates the worm gear body 1440 in the elevating device, and the tooth surface of the worm gear body 1440 may receive a force that may rise without being in close contact with each other by the repulsive force with the worm support unit 1470.
- the rotation of the worm gear body 1440 may be raised or lowered as if sliding with the cabin portion 1410 in the injured state on the worm support 1470.
- a magnetic module 1443 is mounted, and the magnetic module 1443 may be provided including an electromagnet coil.
- electromagnet coils permanent magnets can be used, but electromagnet coils can be used to facilitate control and magnetic force control.
- the power supply may be cut off to lose electromagnetic force to form a direct contact state instead of injuries, and emergency stop may be possible.
- a permanent magnet and to use a combination of electromagnets in order to secure a minimum magnetic force, this diversity can be applied to the worm support.
- the N and S poles represent the polarity of the magnetic force and do not limit the type of magnet or electromagnet, and the arrangement of the polarities may be variously changed.
- the magnetic force module 1443 may be mounted on the tooth surface of the worm drive unit, and each of the magnetic force modules 1443 may be mounted in the worm gear body through grooves or holes formed in the worm gear body, or internal power members. And may be electrically connected with. Accordingly, the magnetic module 1443 is modularized to facilitate installation, removal, and replacement, and may be electrically assembled within the worm gear body through the inherent power member or hole.
- the compartment 1410 can be elevated using the worm drive unit 1430, a conventional rope or wire is not used, and there is no need to install a hoist or a machine room on the top floor. That is, using the worm driving unit 1430 installed in the upper or lower portion of each compartment 1410, it is possible to switch the rotation of the worm driving unit 1430 to the vertical movement of the compartment 1410 without depending on the rope. .
- the drive system of the ropeless elevator 1400 is simplified, and by eliminating the rope, it is possible to eliminate the burden on the weight of the huge rope when applied to the skyscraper.
- the structure can also remove the burden on the smooth movement of the rope and counterweight hypothesis.
- the pitch of the support tooth of the worm support part 1470 may be moved. Therefore, assuming that the pitch of the worm support 1470 is about 25 to 40 cm, the worm driver 1430 can provide a sufficient speed of about 500 to 800 m / min with only about 2000 rpm of rotation. That is, as shown on the left side, it is possible to easily implement the ultra-high speed elevator.
- the ropeless elevator 1400 may prevent an accident in which the cabin unit 1410 falls helplessly even when a worst-case situation occurs in which power is cut off or the braking device is disabled. Due to the characteristics of the worm gear, even if it is descending, if the motor stops, the lowering of the motor can be smoothly decelerated, as well as physically stopped.Even if the lowering continues, the descending speed is maintained at a safe low speed. Can be protected safely. And the brake disk is provided on the worm shaft can safely stop the worm drive in an emergency.
- the cabin 1410 can be stably moved in the lifting space by the lifting frame 1420, and the lifting frame 1420 is moved in the lifting space by using a roller 1424 or other replaceable position correction means located at the corner. It can be guided to move without shaking.
- the worm driving unit 1430 is mounted on the support frame 1426, and the cabin unit 1410 and the lifting frame 1420 may move together by the worm driving unit 1430.
- a rail having a T-shaped cross section parallel to the movement path of the compartment 1410 may be formed as in the related art, and the compartment 1410 may move along the T-shaped rail.
- the lifting frame 1420 that protects the cabin part 1410 may be accommodated by moving together in the switch frame 1300 described above, and the switch frame 1300 may also use rollers and rails to correspond to the shape of the lifting frame 1420. I can provide it.
- the worm driving unit 1430 may be mounted to the outside of the drive motor and the transmission, in the present embodiment, the worm gear body 1440 may include a motor structure capable of generating a driving force therein.
- the worm gear body 1440 may be provided in a hollow form, and both ends of the worm gear body 1440 may be rotatably mounted using a bearing on a rotation shaft.
- a stator 1452 and a rotor 1454 mounted on an inner surface of the worm gear body 1440 may be included.
- the stator 1452 and the rotor 1454 may be formed of a magnet and a coil. Combinations, coils and coil combinations, and the like.
- the tooth surface of the worm gear body 1440 is supported by the roller 1475 exposed as the upper surface of the support structure 1472, and rides on the roller 1475 of the worm support part 1470 as the worm gear body 1440 rotates. 1410) may slide up or down as if sliding.
- the worm support 1470 may include magnets or electromagnets disposed at equal intervals, and rollers may be provided at or around the contact surface of the worm support 1470.
- the roller may prevent direct contact with the tooth surface of the worm support 1470 and the worm gear body, and may prevent the magnet structure from being damaged at the mutual contact surface.
- 20 is a cross-sectional view for explaining the interior of the worm drive unit.
- the driving module 1450 formed in the worm gear body 1440 includes two pairs of stators and rotors.
- the worm gear body 1440 may be provided in a hollow form.
- a coil stator 1452 and a coil rotor 1454 as a combination of coils and coils, and a coil stator 1456 and a magnet rotor as a combination of coils and magnets.
- the former 1458 may be provided.
- the coil rotor 1454 may also be provided in the form of an iron core rather than a coil.
- the rotation torque and the rotation speed may be appropriately adjusted, and induction power generation due to the rotation of the worm gear body 1440 may be expected.
- power generation may be caused in the relative rotation of the stator and the rotor, and the energy may be efficiently used while repeating the elevating.
- 21 is a view for explaining a worm driving unit according to another embodiment of the present invention.
- the coil module 1543 located vertically on the tooth surface of the worm may be partially interlocked, and power may be selectively applied to the electromagnet coil module 1543 located on the vertical tooth surface.
- the lower connection terminal 1562 may be sequentially connected to or disconnected from the power source according to the rotation of the worm gear body.
- connection terminals 1562 may be connected to the power source, and the angle range to which the power source is applied may also be changed under various conditions, such as being arranged at an angle of 10 to 30 to 40 degrees.
- the electromagnet coil may be mounted in the worm support in relation to the portion to which the power is applied, and power may be supplied corresponding to a specific position where the elevator is located, instead of supplying power to the supports in all the lifting spaces.
- power may be applied to the worm support unit 1575 immediately above and below the point at which the elevator passes, and the power may be applied by changing the level up to two floors below.
- FIG. 22 is a block diagram illustrating a recirculating elevator system according to another embodiment of the present invention
- FIG. 23 is a plan view of the elevator system of FIG. 22
- FIG. 24 is an enlarged top portion of the elevator system of FIG. 22. It is the front view shown.
- a turntable method that is, a switch frame 2300 that rotates and rotates may be provided at an upper end and a lower end of the circulating elevator system 2100.
- the upper part of the switch frame 2300 is mounted on a turntable, and after the elevator 2200 enters the switch frame 2300, the elevator 2200 raised from the first lifting space 2110 while rotating is moved to the second lifting space 2120. ) Can be transferred.
- a fixing device 2330 may be provided to fix the posture in response to the rotation of the turntable 2310, and the joint part 2320 may selectively protrude from the lower end of the switch frame 2300 to fix the rotation.
- three or more switch frames may be provided on one turn table or turn bar, and as the rotation of the switch frame 2300 makes it possible to simply move the elevator in two or more hoisting spaces. have.
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- Civil Engineering (AREA)
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- Types And Forms Of Lifts (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
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Abstract
Description
Claims (25)
- 건축물 내의 승강공간을 따라 이동하는 승강장치에 있어서,상기 승강공간을 따라 이동하는 객실부(car);상기 객실부와 함께 이동하며 회전축이 상기 객실부의 이동경로와 나란한 웜 구동부; 및상기 객실부의 이동경로를 따라 상기 승강공간 내에 제공되며 상기 웜 구동부의 치 간격을 주기로 상기 웜 구동부의 치와 대응하도록 형성된 다수의 지지 치를 포함하는 웜 지지부;를 구비하며,상기 웜 구동부 및 상기 웜 지지부는 저저항 접촉을 유지하는 것을 특징으로 하는 승강장치.
- 제1항에 있어서상기 웜 구동부 및 상기 웜 지지부는 구름 접촉을 이용하여 저저항 접촉을 유지하는 것을 특징으로 하는 승강장치.
- 제1항에 있어서,상기 웜 구동부 및 상기 웜 지지부는 자력을 이용하여 저저항 접촉을 유지하는 것을 특징으로 하는 승강장치.
- 제3항에 있어서,상기 웜 구동부 및 상기 웜 지지부는 전자석 코일을 포함하며, 상기 전자석 코일 간의 척력 또는 인력을 이용하여 저저항 접촉을 유지하는 것을 특징으로 하는 승강장치.
- 제1항에 있어서,상기 웜 구동부는 웜기어의 치면을 제공하는 웜기어체 및 상기 웜기어체의 외부에서 상기 웜기어체를 회전시키기 위한 구동모터를 포함하는 것을 특징으로 하는 승강장치.
- 제1항에 있어서,상기 웜 구동부는 웜기어의 치면을 제공하는 웜기어체 및 상기 웜기어체의 내부에서 상기 웜기어체를 회전시키기 위한 구동부를 포함하며, 상기 구동부는 상기 객실부에 고정된 상기 회전축에 장착된 고정자 및 상기 고정자에 대응하여 상기 웜기어체의 내면에 장착된 회전자를 포함하고, 상기 웜기어체는 상기 고정자 및 상기 회전자의 상호 작용에 의하여 상기 회전축 주변을 회전하는 것을 특징으로 하는 승강장치.
- 제6항에 있어서,상기 구동부는 2쌍 이상의 상기 고정자 및 상기 회전자를 포함하며, 상기 고정자 및 상기 회전자 중 적어도 한 쌍은 상기 객실부의 하강 시 유도전력을 발생시키는 것을 특징으로 하는 승강장치.
- 제7항에 있어서,상기 고정자 및 상기 회전자 중 적어도 한 쌍은 전력 차단 시 상호 코깅(cogging)을 발생하여 감속에 이용되도록 사용되는 것을 특징으로 하는 승강장치.
- 제1항에 있어서,중앙통제시스템 또는 다른 객실부의 승강장치와 통신하기 위한 무선 통신 모듈을 더 포함하는 것을 특징으로 하는 승강장치.
- 건축물 내의 승강공간을 따라 객실부를 이송하기 위한 승강장치에 적용되며, 상기 승강공간을 따라 균일한 간격으로 제공되는 다수의 웜 지지부에 대응하는 웜 구동부에 있어서,웜기어의 치면을 제공하는 웜기어체 및 상기 웜기어체의 내부에서 상기 웜기어체를 회전시키기 위한 구동부를 포함하고,상기 구동부는 상기 객실부에 고정된 회전축에 장착된 고정자 및 상기 고정자에 대응하여 상기 웜기어체의 내면에 장착된 회전자를 포함하고, 상기 웜기어체는 상기 고정자 및 상기 회전자의 상호 작용에 의하여 상기 회전축 주변을 회전하는 것을 특징으로 하는 웜 구동부.
- 제10항에 있어서,상기 구동부는 2쌍 이상의 상기 고정자 및 상기 회전자를 포함하며, 상기 고정자 및 상기 회전자 중 적어도 한 쌍은 상기 객실부의 하강 시 유도전력을 발생시키는 것을 특징으로 하는 웜 구동부.
- 제10항에 있어서,상기 고정자 및 상기 회전자 중 적어도 한 쌍은 전력 차단 시 상호 코깅(cogging)을 발생하여 감속에 이용되는 사용되는 것을 특징으로 하는 웜 구동부.
- 제1 승강공간 및 제2 승강공간을 포함하는 건축물에서, 상기 제1 승강공간 및 상기 제2 승강공간을 순환하도록 엘리베이터를 운영하는 엘리베이터 시스템에 있어서,상기 제1 및 제2 승강공간을 따라 이동하는 로프리스 엘리베이터; 및상기 제1 및 제2 승강공간의 상단 및 하단 중 적어도 일측에 제공되는 스위치 프레임;을 포함하며,상기 스위치 프레임은 상기 로프리스 엘리베이터를 상기 제1 및 제2 승강공간 간에 이송하는 것을 특징으로 하는 엘리베이터 시스템.
- 제13항에 있어서,상기 제1 및 제2 승강공간의 상단에 제공되는 상기 스위치 프레임은 하부가 개방되며, 하부로부터 진입한 상기 로프리스 엘리베이터를 다른 승강공간으로 이송하는 것을 특징으로 하는 엘리베이터 시스템.
- 제13항에 있어서,상기 제1 및 제2 승강공간의 하단에 제공되는 상기 스위치 프레임은 상부가 개방되며, 상부로부터 진입한 상기 로프리스 엘리베이터를 다른 승강공간으로 이송하는 것을 특징으로 하는 엘리베이터 시스템.
- 제13항에 있어서,상기 스위치 프레임은 직선 왕복 이동을 하며 상기 로프리스 엘리베이터를 이송하는 것을 특징으로 하는 엘리베이터 시스템.
- 제13항에 있어서,상기 스위치 프레임은 복수개가 수평하게 순환하며 상기 로프리스 엘리베이터를 이송하는 것을 특징으로 하는 엘리베이터 시스템.
- 제13항에 있어서,상기 스위치 프레임은 수평하게 회전 순환하며 상기 로프리스 엘리베이터를 이송하는 것을 특징으로 하는 엘리베이터 시스템.
- 제13항에 있어서,상기 스위치 프레임은 이송 과정 중 상기 로프리스 엘리베이터를 회전시켜 출입문 위치를 전환하는 것을 특징으로 하는 엘리베이터 시스템.
- 제13항에 있어서,상기 스위치 프레임은 상기 제1 또는 제2 승강공간과의 결속을 위해 단부에서 선택적으로 돌출되는 접합부를 포함하는 것을 특징으로 하는 엘리베이터 시스템.
- 제13항에 있어서,상기 제1 및 제2 승강공간은 상기 로프리스 엘리베이터의 이송을 위한 메인 가이드를 포함하며, 상기 스위치 프레임은 상기 로프리스 엘리베이터를 이송을 위해 상기 메인 가이드와 분리 가능하게 연결되는 연장 가이드를 더 포함하고, 상기 로프리스 엘리베이터는 상기 연장 가이드와 결속된 상태를 유지하며 상기 스위치 프레임과 함께 이송되는 것을 특징으로 하는 엘리베이터 시스템.
- 제21항에 있어서,상기 로프리스 엘리베이터는, 상기 제1 및 제2 승강공간을 따라 이동하는 객실부(1car) 및 상기 객실부와 함께 이동하며 회전축이 상기 객실부의 이동경로와 나란한 웜 구동부를 포함하며,상기 메인 가이드 및 상기 연장 가이드는 상기 웜 구동부의 치 간격을 주기로 상기 웜 구동부의 치와 대응하도록 형성된 다수의 지지 치를 포함하는 웜 지지부를 구비하며,상기 웜 구동부 및 상기 웜 지지부는 저저항 접촉을 유지하는 것을 특징으로 하는 엘리베이터 시스템.
- 제22항에 있어서,상기 웜 구동부 및 상기 웜 지지부는 자력을 이용하여 저저항 접촉을 유지하는 것을 특징으로 하는 엘리베이터 시스템.
- 제23항에 있어서,상기 웜 구동부 및 상기 웜 지지부는 전자석 코일을 포함하며, 상기 전자석 코일 간의 척력 또는 인력을 이용하여 저저항 접촉을 유지하는 것을 특징으로 하는 엘리베이터 시스템.
- 제22항에 있어서,상기 웜 구동부는 웜기어의 치면을 제공하는 웜기어체 및 상기 웜기어체의 내부에서 상기 웜기어체를 회전시키기 위한 구동부를 포함하며, 상기 구동부는 상기 객실부에 고정된 상기 회전축에 장착된 고정자 및 상기 고정자에 대응하여 상기 웜기어체의 내면에 장착된 회전자를 포함하고, 상기 웜기어체는 상기 고정자 및 상기 회전자의 상호 작용에 의하여 상기 회전축 주변을 회전하는 것을 특징으로 하는 엘리베이터 시스템.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR112013002975A BR112013002975A2 (pt) | 2010-08-06 | 2011-08-03 | parte de acionamento com formato de engrenagem de rosca sem fim, elevador com o uso de parte de acionamento com formato de engrenagem de rosca sem fim e sistema de elevação |
| CN201180038861.3A CN103209919B (zh) | 2010-08-06 | 2011-08-03 | 一种升降装置及电梯系统 |
| JP2013523094A JP5859531B2 (ja) | 2010-08-06 | 2011-08-03 | ウォームギア型駆動部、ウォームギア型駆動部を用いたエレベータ、及びエレベータシステム |
| US13/814,685 US9463957B2 (en) | 2010-08-06 | 2011-08-03 | Wormgear shaped driving part, elevator using wormgear shaped driving part and elevating system |
| EP11814824.6A EP2602223A4 (en) | 2010-08-06 | 2011-08-03 | Worm gear-type driving unit, and elevator and elevator system using worm gear-type driving unit |
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0075930 | 2010-08-06 | ||
| KR20100075930 | 2010-08-06 | ||
| KR10-2010-0080631 | 2010-08-20 | ||
| KR20100080631 | 2010-08-20 | ||
| KR10-2011-0005455 | 2011-01-19 | ||
| KR1020110005455A KR101035068B1 (ko) | 2010-08-06 | 2011-01-19 | 웜기어형 구동부 및 웜기어형 구동부를 이용한 엘리베이터 |
| KR10-2011-0042267 | 2011-05-04 | ||
| KR1020110042267A KR20120124561A (ko) | 2011-05-04 | 2011-05-04 | 웜 자기부상 엘리베이터 |
| KR1020110052452A KR20120133686A (ko) | 2011-05-31 | 2011-05-31 | 웜 엘리베이터 순환시스템 |
| KR10-2011-0052452 | 2011-05-31 |
Publications (2)
| Publication Number | Publication Date |
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| WO2012018224A2 true WO2012018224A2 (ko) | 2012-02-09 |
| WO2012018224A3 WO2012018224A3 (ko) | 2012-05-31 |
Family
ID=45559924
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2011/005704 Ceased WO2012018224A2 (ko) | 2010-08-06 | 2011-08-03 | 웜기어형 구동부, 웜기어형 구동부를 이용한 엘리베이터 및 엘리베이터 시스템 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9463957B2 (ko) |
| EP (1) | EP2602223A4 (ko) |
| JP (1) | JP5859531B2 (ko) |
| CN (1) | CN103209919B (ko) |
| BR (1) | BR112013002975A2 (ko) |
| WO (1) | WO2012018224A2 (ko) |
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|---|---|---|---|---|
| WO2013151398A1 (ko) * | 2012-04-06 | 2013-10-10 | Kim Nam Youg | 웜 구동부를 이용한 승강장치 |
| WO2014030906A1 (ko) * | 2012-08-20 | 2014-02-27 | Kim Nam Young | 웜 구동부를 이용한 승강장치 |
| KR101377564B1 (ko) | 2012-08-20 | 2014-03-24 | 남 영 김 | 웜 구동부를 이용한 엘리베이터 시스템 |
| KR101410343B1 (ko) | 2012-08-20 | 2014-06-24 | 남 영 김 | 웜 구동부를 이용한 승강장치 |
| KR101410344B1 (ko) * | 2012-08-20 | 2014-06-24 | 남 영 김 | 웜 구동부를 이용한 승강장치 |
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- 2011-08-03 BR BR112013002975A patent/BR112013002975A2/pt not_active IP Right Cessation
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013151398A1 (ko) * | 2012-04-06 | 2013-10-10 | Kim Nam Youg | 웜 구동부를 이용한 승강장치 |
| WO2014030906A1 (ko) * | 2012-08-20 | 2014-02-27 | Kim Nam Young | 웜 구동부를 이용한 승강장치 |
| KR101377564B1 (ko) | 2012-08-20 | 2014-03-24 | 남 영 김 | 웜 구동부를 이용한 엘리베이터 시스템 |
| KR101410343B1 (ko) | 2012-08-20 | 2014-06-24 | 남 영 김 | 웜 구동부를 이용한 승강장치 |
| KR101410342B1 (ko) | 2012-08-20 | 2014-06-24 | 남 영 김 | 웜 구동부를 이용한 승강장치 |
| KR101410344B1 (ko) * | 2012-08-20 | 2014-06-24 | 남 영 김 | 웜 구동부를 이용한 승강장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5859531B2 (ja) | 2016-02-10 |
| CN103209919A (zh) | 2013-07-17 |
| CN103209919B (zh) | 2016-06-15 |
| WO2012018224A3 (ko) | 2012-05-31 |
| BR112013002975A2 (pt) | 2018-07-03 |
| US9463957B2 (en) | 2016-10-11 |
| US20130206514A1 (en) | 2013-08-15 |
| EP2602223A4 (en) | 2017-10-25 |
| JP2013535386A (ja) | 2013-09-12 |
| EP2602223A2 (en) | 2013-06-12 |
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