Electric rope spooling of a rope crane

专利摘要:
The present invention relates to a cable crane (1) for moving felled trees along a carrying cable (2) with a traction cable (4) and alternatively a circulating cable (3) by means of an external winching unit (5). According to the invention, this cable crane has an electric motor (6) which can also be used as a generator. The energy in the generator mode is removed from the load-lifting rope (pull rope or circulating rope) by means of traction sheave (9) and stored in high-performance capacitors (7). During the unwinding of the load-lifting rope, the electric generator acts as an electric motor which takes its energy from the high-power capacitors (the capacitor pack). The control is carried out via a built-in control unit (8) The energy balance is balanced, that is, that no supply of external energy on the use of the power of the load-lifting rope addition is necessary.
公开号:AT512872A1
申请号:T567/2012
申请日:2012-05-11
公开日:2013-11-15
发明作者:Georg Ing Miggitsch
申请人:Koller Gmbh；
IPC主号:

专利说明:

11/05/2012 15:34 + 43-5372-G3257-7 p. 05/10 KOLLER GMBH ·· * ♦ ·············································································· · · · »I * #» · · * »* * * · • · · > · ♦ · · · ·························· #
Electric rope outuulune of a rope crane
The present invention relates to a cable crane according to the preamble of claim 1 and to methods for generating and utilizing the necessary electrical energy within the cable crane. For the timber harvesting in the steep terrain mobile cable systems are used, which are usually designed as Kippmast cable cars or long-distance cable cars.
In this case, a support rope is anchored fixedly between two points (for example, tipping boom device and tree).
The distance can range from a few hundred Meier to but 1000 meters.
The lineup is for sponsorship of. lower to higher ground (uphill) or from higher to lower ground (downhill) possible.
Also, such a setup in level terrain may be useful (eg in marshy, not passable terrain).
On the carrying cable a cable crane (trolley, trolley) by means of a pull rope (uphill operation) or pull rope and circulating cable (downhill), which is driven by a winch unit, to the Lastaufhahmestel 1 e and moved back to the load discharge point.
This winch unit can be completely self-contained (eg as a sleeper winch on a long-distance cable car)} or built up on the tipper rope hoist.
At the load receiving and unloading the cable crane is usually fixed to the support cable by means of clamping mechanism. Depending on the technical design, this may or may not be necessary.
During a hill climb operation, after fixing the rope crane on the carrying rope, the pull rope is unrolled and transported by the own weight from the rope crane. This works the better, the stronger the slope of the rope line is or the shorter the distance between 11/05/2012 15:37
No.: R388 P.005 / 010 «· · · 4 · 11/05/2012 15:34 + 43-5372-63257-7 KOLLER GMBH P. 06/10
Winch unit and rope crane The friction forces involved in this must be overcome by the forestry worker when pulling the rope to the load by means of physical force.
In a downhill operation, the load-lifting side (may be the pull rope or circulating rope) of the external winch unit auscspult and the cable crane to this out and be promoted through (motor operation on the cable crane).
There are several methods, e.g. mechanically (coupling of Umlaufseii and pull rope via a pulley system), or engine-powered (diesel engine or hydraulic).
Previously available systems have the disadvantage that during uphill operation very large physical effort is necessary already from middle distances, which results from overcoming the frictional forces (steel cable moves on the ground).
Engine-powered units are too heavy for uphill operation and therefore not suitable for use with rope loggers, as used for thinning.
The motor winding should now be done electrically, with the necessary energy from the external wind unit during the first few meters of Lastbeizug done
The simplified work cycle is as follows: 1.) Return the load cable through the cable crane to the direction of the external winch unit. The available power is transmitted by means of traction sheave on an electric motor, which generates electrical energy in generator mode. The resulting electrical energy is stη I lochlei stungskondensuioren stored. These have the advantage that the largest services can be processed without problems. 2.) Moving the rope crane by means of external winch unit along the carrying rope to the load receiving or unloading point. 3.) Unwinding of the load-lifting rope by means of an electric motor which takes its energy from the high-performance capacitors.
Then the cycle of vome begins. 11/05/2012 15:37
No .: R388 P.006 / 010

权利要求:
Claims (5)
[1]
11/05/2012 15:34 + 43-5372-63257-7 KOLLER GMBH P. 08/10 ·· • ♦ · · · «« ♦ «« · · ♦ ♦ «• ♦ +» • · »· • »· •» »♦ ················································································································································································································································· , with a motor / generator (6) for Ausspulcn the traction cable (4) and generation of electrical energy which is stored in condensers (7) or removed therefrom, further a traction sheave (9) which transfers the energy to the pull rope and removes it and a control unit (8) which controls the functions on the cable crane and an optionally present circulating cable (3) which, like the traction cable (4), is driven by an external winch unit (5), characterized in that an electric motor is used to unwind the load-lifting cable, whichever work situation via eiuc control both as Μοτοτ as well as Generator is operated and stores the resulting electrical energy in high-power capacitors and / or Hocbleistungsakkumulatoren.
[2]
2. Device according to claim 1 whose electric motor has a special design, characterized in that a holding brake is mounted which makes an additional Zugscüklcmmvomthtung obsolete
[3]
3. Device according to claim 1, characterized in that it has a Spannungswandlei. Which extracts the supply voltage from the high power capacitor and converts the supporting components (e.g., controller, encoder, sensors) to the voltage regulator.
[4]
4. Apparatus according to claim 1, characterized in that at massive shocks or opening of the protective housing, a secure separation of the high-power capacitors (the Hochspanmmgsquellc) takes place.
[5]
5. Apparatus according to claim 1, characterized in that it has a measuring system which measures the cable inlet of the load-lifting rope and allows a comparison of the length of the incoming rope with the number of revolutions of the traction sheave and thus makes possible slippage or wear of the traction sheave evaluable. 11/05/2012 15:38 No .: R388 P.008 / 010 11/05/2012 15:34 + 43-5372-63257-7 KOLLER GMBH S. 09/10 • ft ftftftft ♦ Device according to claim 1, characterized characterized in that no additional external energy must be supplied which ühe the use of the tensile force of the load-lifting rope hwausgeht. 7. The method according to one of the preceding claims, characterized in that when reaching an upper charging threshold in the capacitor, the generator power slowly controls to 0 to prevent on the one hand overloading and on the other hand, a sudden acceleration of the external cable winch. 8. * * * * t · · · · · · · · ft ft ft ft ft ft

Method according to one of the preceding claims, characterized in that e $ makes the generator power (braking torque) adjustable or self-learning, so that only the necessary energy for one cycle is generated for a given application situation and thus the external winch unit does not have to run at full load. Method according to one of the preceding claims characterized in that the generator mode is active only until an adjustable Gegenzng occurs at the load end of the load-lifting rope. From this limit value, the generator is switched off in order to have the full tractive force of the external winch unit for load application. Method according to one of the preceding claims, characterized in that to increase the Lastbeizugskraft the electric motor is driven in the cable crane in addition to the external winch unit. Method according to one of the preceding claims, characterized in that a control logic is provided which determines the necessary moment for unwinding the load-lifting rope and adapts the unwinding speed to the actual necessary moment. Method according to one of the preceding claims, characterized in that during the last journey before the unloading the cable crane can already lower the load-lifting rope with the attached load with the aid of the electric motor and thus the working cycle (load unloading) is accelerated. 11/05/2012 15:38 No .: R388 P.009 / 010

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同族专利:

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公开号 | 公开日

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AT512872B1|2015-02-15|

引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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US4687109A|1986-07-03|1987-08-18|Davis Glenn T|Radio controlled electric slack puller, brake and battery recharging system|

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DE4008370A1|1990-03-15|1991-09-19|Siemens Ag|Energy supply for cable crane - has generators on grab trolley charged by trolley movement|

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DE102010008917A1|2010-02-23|2011-08-25|Liebherr-Werk Biberach GmbH, 88400|Drive system and work machine|AT523714A4|2020-06-03|2021-11-15|Mm Forsttechnik Gmbh|Carriage with gripper operating mode|

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AT521032B1|2018-06-19|2019-10-15|Mm Forsttechnik Gmbh|Universal carriage with forced unwinding of the hauling rope or the hoisting rope in 2- and 3-rope operation|

法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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ATA567/2012A|AT512872B1|2012-05-11|2012-05-11|Electric rope spooling of a rope crane|ATA567/2012A| AT512872B1|2012-05-11|2012-05-11|Electric rope spooling of a rope crane|