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WO2010123469A1 - Mécanisme de propulsion à volant d'inertie pour appareil de débardage à câble aérien - Google Patents

Mécanisme de propulsion à volant d'inertie pour appareil de débardage à câble aérien Download PDF

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Publication number
WO2010123469A1
WO2010123469A1 PCT/SK2010/050006 SK2010050006W WO2010123469A1 WO 2010123469 A1 WO2010123469 A1 WO 2010123469A1 SK 2010050006 W SK2010050006 W SK 2010050006W WO 2010123469 A1 WO2010123469 A1 WO 2010123469A1
Authority
WO
WIPO (PCT)
Prior art keywords
flywheel
variator
speed sensor
skyline
rotation speed
Prior art date
Application number
PCT/SK2010/050006
Other languages
English (en)
Inventor
Vladimír ŠTOLLMANN
Štefan ILČÍK
Jozef Suchomel
Original Assignee
Stollmann Vladimir
Ilcik Stefan
Jozef Suchomel
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stollmann Vladimir, Ilcik Stefan, Jozef Suchomel filed Critical Stollmann Vladimir
Priority to EP10719425A priority Critical patent/EP2421789A1/fr
Publication of WO2010123469A1 publication Critical patent/WO2010123469A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C21/00—Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/22—Control systems or devices for electric drives
    • B66C13/23—Circuits for controlling the lowering of the load
    • B66C13/26—Circuits for controlling the lowering of the load by AC motors
    • B66C13/28—Circuits for controlling the lowering of the load by AC motors utilising regenerative braking for controlling descent of heavy loads and having means for preventing rotation of motor in the hoisting direction when load is released

Definitions

  • the substance of this patent is the flywheel propulsion of a skyline yarder (gyrolanovka) that uses a variator with a smooth change of the gear ratio, in order to set the parameters of the torque transfer between the winch and the flywheel.
  • This device has usage especially in skyline logging in forest management and everywhere where it is profitable to accumulate some energy surplus which is created during operation.
  • the merit of this invention lies in the fact, that the energy accumulation into the flywheel as well as energy removal from the flywheel is being performed by a variator which is able to change the gear ratio continuously.
  • Adjustment of the transmission gear ratio is operated by a control unit based on the data from multiple sensors, which measure the operating speed of the flywheel, winding drum speed and the speed of the skyline carriage.
  • the control unit operates the functions of the variator, brake system and clutches in order to maintain the yarding speed at the desired level.
  • the control unit receives the data about the current speed of the carriage from the winding drum speed sensor.
  • the brake system of the drum is activated when the desired speed of the carriage is to be exceeded and the gear ratio on the variator is set to the maximum or when the rotation speed of the flywheel reached the maximum admissible level.
  • the principle of the flywheel propulsion in phase of the gravitational downhill movement the gravitational energy of the skyline carriage and cargo causes the unwinding of the haul line from the drum of the winch.
  • the drum propels the variator which provides the necessary torque and speed for the flywheel rotation. This way the gravitational energy of the skyline carriage and the cargo is accumulated in the flywheel and it is stored as kinetic energy.
  • Mechanic flywheel is located in a vacuum box in order to prevent overheating and energy losses due to air friction.
  • the reverse gear has to be shifted in the reversing gearbox and the brake of the winding drum is then released.
  • the torque from the flywheel is then transmitted through the reversing gearbox to the variator and consequently to the winding drum. Shifting to the reverse gear in the reversing gearbox causes that the direction of the drum rotation in this mode is opposite to the direction of the drum rotation in the phase of the gravitational downhill movement.
  • the control unit selects the transmission ratio on the variator in order to keep the speed of the empty skyline carriage moving back to the forest stand at the desired level. During this activity the control unit uses data received from multiple sensors measuring the rotations of the winch and the flywheel as well as the speed of the carriage moving on the skyline.
  • the function of the propulsion mechanism during the phase of uphill motion of the empty carriage is powered by the energy accumulated and stored in the flywheel and transferred to the winch through the variator operated by the electronic control system.
  • the direction of the winches' rotation can be changed thanks to the additional gearbox
  • Rg. 1 shows the schematically depicted construction of the flywheel propulsion mechanism of a skyline yarder according to this invention
  • Rg. 1 depicts the flywheel propulsion mechanism of a skyline yarder according to this invention which consists of a winding drum (winch) Nr.1 equipped with a brake system Nr.5,. connected by clutch Nr.6 to the variator Nr .3.
  • the variator is connected by the reversing gearbox Nr.4 and a clutch Nr.7 to the flywheel Nr .2.
  • the flywheel is equipped with a brake system Nr.8 and another clutch Nr.9,
  • the control system utilizes signals from the flywheel rotation speed sensor Nr-IO 1 the winding drum rotation speed sensor Nr .15 and the sensor measuring the speed of the cableway haul line Nr .U It controls and changes the gear ratio of the variator, controls the function of clutches Nr.6, 7, 9, function of brakes Nr. ⁇ JLand functions of the additional gearbox.
  • the gravitational force pulling on the cargo causes the unwinding of the haul line from the drum of the winch Nr .1.
  • the variator propels the flywheel Nr.2 through clutch Nr. Z 1.
  • the transmission gear ratio of the variator is selected by the electronic control system Nr.12 based on data received from the flywheel rotation speed sensor_Nr.1_0 and the winding drum rotation speed sensor Nr .15 in order to ensure that the speed of the haul line NrIl scanned by sensor Nr.14 has the desired flow. I n this manner the kinetic energy of the carriage and the cargo is accumulated in the mechanical flywheel Nr.2.
  • the transmission gear ratio of the variator is being selected by the electronic control unit Nr .12 based on data from the flywheel rotation speed sensor Nr.10 and the winding drum rotation speed sensor Nr .15 so that the speed of the coiling haul line NrIJ. scanned by sensor Nr .14 has the desired flow.
  • the output of the variator Nr.3 is connected through the clutch to the winch Nr .1 which is coiling in the haul line and pulling the empty carriage uphill.
  • Energy accumulated in the flywheel 2_can also be used to transfer the cargo from further aside under the skyline on where the carriage is moving. I n this work mode, first the carriage must be locked in place by a brake. After that as the haul line is being reeled in, the cargo is being pulled towards the carriage. Function of the propulsion device in this work mode is analogical to its function in the phase of the uphill motion of the empty carriage.
  • the energy accumulated in the flywheel can also be used for powering the mains, hydraulic and pneumatic circuits of the skyline yarder, for example electric generator for power the electronic control system Nr .12, starter of the combustion-engine, hydraulic pump etc. There is an extra output A which can be used for these purposes.
  • the torque is transferred to this output from the flywheel Nr.2_through clutch Nr .9.
  • Brake Nr.8 is used to reduce the speed of the flywheel 2 or bring the flywheel to a complete stop.
  • the brake is activated in case the maximum allowed rotation speed is exceeded or, in the emergency stop mode or after the work is finished before the skyline yarder is transported to another location.
  • the main advantage of the mechatronic propulsion of the flywheel according to this invention lies in the low weight of the device. It accumulates the kinetic energy of the skyline carriage with cargo in the flywheel Nr.2 with high efficiency. The accumulated energy is then returned with high efficiency back to the work process. It significantly reduces the fuel consumption and therefore preserves the environment.
  • the mechatronics propulsion of the flywheel according to this invention is intended mainly for the propulsion of a skyline yarder which is used to yard the timber in the logging process in rough and inaccessible terrains with steep slopes. It can also be used during gravitational transportation of a great variety of cargos or in areas such as agriculture or construction industry everywhere where a difference in elevation needs to be tackled.
  • the propulsion method of the flywheel according to this invention has a wide application, especially in areas such as forest management, agriculture or construction industry or everywhere where it is necessary to transport some cargo downhill. Listed possibilities are not the only ones possible for the application of this invention. There are other areas to consider, like the automotive industry, where a flywheel can be used to accumulate the energy during braking.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Vibration Prevention Devices (AREA)
  • Types And Forms Of Lifts (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention concerne un système de propulsion d'un appareil de transport à câble aérien, le système de propulsion comprenant un volant d'inertie (2) mécanique destiné à accumuler de l'énergie en excès. Au cours de la phase de "charge", le volant d'inertie est entraîné par un winch (1) par l'intermédiaire d'un variateur mécatronique (3), et au cours de la phase de "récupération", le volant d'inertie entraîne le winch (1) par l'intermédiaire d'une boîte d'inversion et du variateur.
PCT/SK2010/050006 2009-04-21 2010-04-19 Mécanisme de propulsion à volant d'inertie pour appareil de débardage à câble aérien WO2010123469A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10719425A EP2421789A1 (fr) 2009-04-21 2010-04-19 Mécanisme de propulsion à volant d'inertie pour appareil de débardage à câble aérien

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SKPP00028-2009 2009-04-21
SK28-2009A SK288024B6 (sk) 2009-04-21 2009-04-21 Driving mechanism cableway

Publications (1)

Publication Number Publication Date
WO2010123469A1 true WO2010123469A1 (fr) 2010-10-28

Family

ID=42288369

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SK2010/050006 WO2010123469A1 (fr) 2009-04-21 2010-04-19 Mécanisme de propulsion à volant d'inertie pour appareil de débardage à câble aérien

Country Status (3)

Country Link
EP (1) EP2421789A1 (fr)
SK (1) SK288024B6 (fr)
WO (1) WO2010123469A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI460956B (fr) * 2012-06-08 2014-11-11
CN109812296A (zh) * 2019-03-14 2019-05-28 武汉理工大学 一种起重机重力势能及热能回收利用装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687109A (en) * 1986-07-03 1987-08-18 Davis Glenn T Radio controlled electric slack puller, brake and battery recharging system
JPH01209298A (ja) * 1988-02-15 1989-08-23 Kobe Steel Ltd 電動式バケット作業機におけるエネルギ回収方法
US20050173197A1 (en) * 2004-02-06 2005-08-11 Paceco Corp. Method for energy storage for DC motor powered load hoisting machinery
DE102007042142A1 (de) * 2007-09-05 2009-03-26 Hu, Loong-Chiang, Wu-Jih Hsiang Kraftfahrzeug, welches einen kinetischen Energiespeicher / eine Fähigkeit zur Wiederverwendung kinetischer Energie aufweist
SK1082007A3 (sk) * 2007-08-23 2009-07-06 Technická Univerzita Vo Zvolene Mechanické rekuperačné lanové zariadenie so zotrvačníkom

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687109A (en) * 1986-07-03 1987-08-18 Davis Glenn T Radio controlled electric slack puller, brake and battery recharging system
JPH01209298A (ja) * 1988-02-15 1989-08-23 Kobe Steel Ltd 電動式バケット作業機におけるエネルギ回収方法
US20050173197A1 (en) * 2004-02-06 2005-08-11 Paceco Corp. Method for energy storage for DC motor powered load hoisting machinery
SK1082007A3 (sk) * 2007-08-23 2009-07-06 Technická Univerzita Vo Zvolene Mechanické rekuperačné lanové zariadenie so zotrvačníkom
DE102007042142A1 (de) * 2007-09-05 2009-03-26 Hu, Loong-Chiang, Wu-Jih Hsiang Kraftfahrzeug, welches einen kinetischen Energiespeicher / eine Fähigkeit zur Wiederverwendung kinetischer Energie aufweist

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JEFFERSON C M ET AL: "A flywheel variator energy storage system", ENERGY CONVERSION AND MANAGEMENT, ELSEVIER SCIENCE PUBLISHERS, OXFORD, GB LNKD- DOI:10.1016/0196-8904(96)00007-6, vol. 37, no. 10, 1 October 1996 (1996-10-01), pages 1481 - 1491, XP004039646, ISSN: 0196-8904 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI460956B (fr) * 2012-06-08 2014-11-11
CN109812296A (zh) * 2019-03-14 2019-05-28 武汉理工大学 一种起重机重力势能及热能回收利用装置
CN109812296B (zh) * 2019-03-14 2021-03-16 武汉理工大学 一种起重机重力势能及热能回收利用装置

Also Published As

Publication number Publication date
EP2421789A1 (fr) 2012-02-29
SK288024B6 (sk) 2012-12-03
SK282009A3 (sk) 2011-01-04

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