SI25350A

SI25350A - Winch system and use of it

Info

Publication number: SI25350A
Application number: SI201700014A
Authority: SI
Inventors: PAN Iztok Ĺ
Original assignee: TAJFUN PLANINA d.o.o.
Priority date: 2017-01-12
Filing date: 2017-01-12
Publication date: 2018-07-31

Abstract

Izum se nanaša na vitelski sistem, ki vključuje glavni vitel (1) z glavno vrvjo (4) za vlečenje vlečenega bremena (20), prednostno hlodov ali debel, pomožni vitel (2) s pomožno vrvjo (7) za pomoč pri vsakokratnem privleku glavne vrvi (4) do bremena (23) in vsaj enega pomožnega škripca (22) preko katerega je speljana pomožna vrv (7). Glavni vitel (1) je sestavljen iz glavnega bobna (3), na katerega je navita glavna vrv (4), ter pripadajočega glavnega pogona. Glavni vitel (1) je pritrjen na ogrodje (16), toje traktor, preko snemljivega priključka. Pomožni vitel (2) je namenjen za vsakokratni privlek glavne vrvi (4) do bremena (23). Sestavljen je iz pomožnega bobna (6), na katerega je navita pomožna vrv (7) in pripadajočega pomožnega pogona (8) za navijanje ali odvijanje pomožne vrvi (7) z oziroma na pomožni boben (6). Pomožni vitel (2) lahko vključuje ohišje (5), pri čemer je del oboda ohišja (5) izveden kot vratca (9), ki so v svojem zgornjem pritrditvenem delu (10) nihajno pritrjena na fiksen del obodaohišja (5). V fiksnem delu oboda ohišja (5) se nahaja senzor (13), ki zaznava, kdaj so vratca (9) zaprta in kdaj dvignjena. Senzor (13) je preko stikala povezan s pomožnim pogonom (8). Oba vitla (1, 2) sta gnana iz istega stroja, na primer traktorja, vendar prednostno iz njegovih različnih izhodov moči. Glavni vitel (1) je prednostno gnan preko kardanske gredi traktorja, pomožni pogon (8) je hidravlični motor, ki je gnan s hidravlično črpalko traktorja preko krmilnega bloka pomožnega vitla (2).The invention relates to a winch system comprising a main winch (1) with a main rope (4) for pulling a towed load (20), preferably a log or a thick, auxiliary winch (2) with an auxiliary rope (7) for assisting each attraction of the main rope (4) to the load (23) and at least one auxiliary pulley (22) through which the auxiliary rope (7) is routed. The main winch (1) consists of a main drum (3) to which the main rope (4) is wound, and the associated main drive. The main winch (1) is attached to the frame (16), that is the tractor, via the removable connector. The auxiliary winch (2) is intended for each attraction of the main rope (4) to the load (23). It consists of an auxiliary drum (6) to which the auxiliary rope (7) and the associated auxiliary actuator (8) for winding or unwinding the auxiliary rope (7) with or on the auxiliary drum (6) is wound. The auxiliary winch (2) may include a housing (5), wherein the part of the rim of the housing (5) is made as a door (9), which is pivotally attached to the fixed portion of the periphery (5) in its upper fastening part (10). In the fixed part of the circumference of the housing (5) there is a sensor (13) which detects when the door (9) is closed and when it is raised. The sensor (13) is connected via a switch to the auxiliary drive (8). Both winches (1, 2) are driven from the same machine, for example, a tractor, but preferably from its various power outputs. The main winch (1) is preferably driven over the PTO shaft, and the auxiliary drive (8) is a hydraulic motor driven by the hydraulic pump of the tractor via the auxiliary winding control unit (2).

Description

Vitelski sistem in postopek uporabeWinch system and procedure

Izum se nanaša na vitelski sistem za vleko bremen, prednostno hlodov ali debel, ki vključuje glavni vitel in pomožni vitel, pri čemer sta oba vitla gnana iz istega stroja, prednostno traktorja. Glavni vitel je namenjen za vlečenje vlečenega bremena z glavno vrvjo, pomožni vitel pa je namenjen za vsakokratni privlek glavne vrvi do bremena. Prednostno se vitelski sistem uporablja v gozdarstvu za izvlačenje hlodov ali drevesnih debel, pri čemer je vitelski sistem prednosto pritrjen na traktor.The invention relates to a winch system for towing loads, preferably logs or thick ones, which includes a main winch and an auxiliary winch, both of which are driven from the same machine, preferably to the tractor. The main winch is intended for pulling the towed load with the main rope, and the auxiliary winch is intended for each attraction of the main rope to the load. Preferably, the winch system is used in forestry to extract logs or tree trunks, whereby the winch system is preferably attached to the tractor.

Gozdarski vitel kot tak je opisan npr. v Sl 9600339 A2. Tovrstni vitel je ponavadi izveden, kot traktorski priključek, ki za pogon izkorišča traktorjevo kardansko gred. Vitel obsega navijalni boben z zavoro in sklopko ter reduktor, preko katerega je gred navijalnega bobna povezana s kardansko gredjo. Na bobnu je navita vlečna vrv, ki lahko poteka preko enega ali več škripcev v smeri proti vsakokratnemu bremenu, ki je predvideno za vleko. Ko se na vlečno vrv pripne breme, npr. hlod ali več med seboj povezanih hlodov ali podobno, med vrtenjem navijalnega bobna v ustrezno smer pride do navijanja vlečne vrvi na boben in do vlečenja bremena v smeri proti vitlu. Pred vlečenjem je potrebno vrv odviti z bobna in prosti konec vrvi potegniti do bremena, pri čemer se boben prosto vrti ali podaja vrv v nasprotno smer od vlečenja. Zatem se breme na primeren način poveže z vrvjo. Sila, ki je potrebna za odvijanje vrvi z bobna, je razmeroma velika pri večjih vitlih z debelejšo vrvjo zaradi razmeroma velike vztrajnostne mase in trenja navijalnega bobna ter zaradi teže odvite vrvi. Zato je odvijanje vrvi z bobna do bremena fizično naporno in zamudno. V patentni prijavi DE2756743A1 je opisana uporaba pomožnega vitla, kjer je pomožni vitel bistveno oddaljen od glavnega vitla. Glavni vitel je pritrjen na traktor in gnan s pomočjo kardanske gredi traktorja. Pomožni vitel je samostojen element in gnan s svojim pogonom. Ko se postavlja delovišče, se pomožni vitel postavi na tisto točko delovišča, kjer se nahaja breme. Pomožno vrv nato delavec na roke privleče do traktorja, pri čemer motor na pomožnem vitlu pomaga pri vrtenju bobna pomožnega vitla in s tem pri sproščanju pomožne vrvi. Pomožna vrv je tanjša in lažja od glavne vrvi, zato je delo delavca bistveno olajšano. Na pomožno vrv se nato pripne glavna vrv, ki se jo nato s pomočjo traktorskega motorja (odvijanje) in motorja na pomožnem vitlu potegne do bremena. Glavno vrv se pripne na breme, ki se ga nato privleče do traktorja. Pomožna vrv pri tem ostane povezana z glavno vrvjo. Oba motorja sta daljinsko upravljana, zato da je potrebno zagotoviti njuno sinhrono delovanje, ki je potrebno za nemoten izvlek in poteg glavne vrvi do bremena in nato povlek bremena v smeri proti glavnemu vitlu.The forestry winch as such is described, for example, in Sl 9600339 A2. This type of winch is usually made as a tractor attachment, which uses the tractor's PTO shaft for the drive. The winch includes a retractable drum with a coupling and clutch and a reducer, through which the shaft of the winding drum is connected to the universal shaft. A tow rope is wound on the drum, which can take place through one or more pulleys in the direction of the respective load provided for towing. When a load is attached to the tow rope, e.g. logs or more of interlocking logs or the like, while turning the winding drum in the appropriate direction, the winding rope to the drum is winding and to the pulling of the load in the direction towards the winch. Before pulling, the rope must be unscrewed from the drum and pulled out of the free end of the rope to the load, whereby the drum freely rotates or rope in the opposite direction from pulling. Then the load is connected to the rope in a suitable way. The force required to drill the rope from the drum is relatively large in larger winches with a thicker rope due to the relatively high inertia mass and the friction of the winding drum and the weight of the unwinding rope. Therefore, drilling the rope from the drum to the load is physically exhausting and time consuming. In patent application DE2756743A1, the use of an auxiliary winch is described, wherein the auxiliary winch is substantially remote from the main winch. The main winch is attached to the tractor and driven by the PTO shaft of the tractor. An auxiliary winch is an independent element and driven by its drive. When a site is installed, the auxiliary winch is placed at that point of the site where the load is located. The auxiliary rope is then drawn by the worker to the tractor, whereby the engine on the auxiliary winch assists in turning the drum of the auxiliary winch and thus in the release of the auxiliary rope. The auxiliary rope is thinner and lighter than the main rope, therefore the worker's work is significantly simplified. The main rope is then attached to the auxiliary rope, which is then pulled up to the load by means of a tractor engine (unwinding) and an engine on the auxiliary winch. The main rope is attached to the load, which is then drawn to the tractor. The auxiliary rope remains connected to the main rope. Both engines are remotely controlled so that it is necessary to ensure their synchronous operation, which is necessary for the smooth pulling and pulling of the main rope to the load, and then pulling the load in the direction towards the main winch.

Navedena rešitev sicer olajša fizčno delo, vendar se zahteva uporaba samostojnega pogona za pomožni vitel. Dodatno je potrebno celoten pomožni vitel dostaviti do bremena, kar je včasih lahko zaradi terena delovišča zamudno in fizično naporno.This solution facilitates physical work, but requires the use of a stand-alone drive for an auxiliary winch. Additionally, the complete auxiliary winch needs to be delivered to the load, which can sometimes be time consuming and physically exhaustive due to the work site.

Navedene pomankljivosti so rešene z vitelskim sistemom po izumu.These defects are solved by a winch system according to the invention.

Izum se torej nanaša na vitelski sistem, ki vključuje glavni vitel z glavno vrvjo za vlečenje vlečenega bremena, prednostno hlodov ali debel, pomožni vitel s pomožno vrvjo za pomoč pri vsakokratnem privleku glavne vrvi do bremena in vsaj enega pomožnega škripca preko katerega je speljana pomožna vrv. Izraz vrv je za potrebe tega opisa definirana kot jeklenica, vrv, jermen, veriga ali drugo gibko prenosno sredstvo, ki jo je mogoče naviti na boben. Glavna vrv mora biti tudi zmožna prenašati zadostne natezne sile, da je primerna za vleko bremen; pomožna vrv pa mora biti zmožna prenašati manjše natezne sile, namreč le za vleko glavne vrvi, zato je lahko tanjša in lažja. Privlačevanje pomožnega vitla tako omogoča razvijanje glavne vrvi z glavnega vitla, in obratno.The invention therefore relates to a winch system which includes a main winch with a main rope for pulling the towed load, preferably logs or thick, auxiliary winch with an auxiliary rope to aid in attracting each main rope to the load and at least one auxiliary pulley through which an auxiliary rope . The term term is defined, for the purposes of this description, as a jet, rope, belt, chain or other flexible transferable tool which can be wound on a drum. The main rope must also be capable of transmitting sufficient tensile forces to be suitable for towing loads; the auxiliary rope must be able to carry smaller tensile forces, namely to pull the main rope, so it can be thinner and lighter. Attracting an auxiliary winch enables the development of the main rope from the main winch, and vice versa.

Oba vitla sta gnana iz istega stroja, na primer traktorja, vendar prednostno iz njegovih različnih izhodov moči. Glavni vitel oziroma glavni pogon je prednostno gnan preko kardanske gredi traktorja, pomožni pogon pa je izveden kot hidravlični motor, ki ga preko krmilnega bloka pomožnega vitla poganja hidravlična črpalka traktorja. Novejši traktorji imajo namreč več izhodov traktorske hidravlike, na katere se lahko priključi različne uporabnike, ki se jih poganja s hidravlično črpalko traktorja.Both winches are driven from the same machine, for example, a tractor, but preferably from its various power outputs. The main winch or main drive is preferably driven over the PTO shaft of the tractor, and the auxiliary drive is implemented as a hydraulic engine driven by the hydraulic pump of the tractor via the control block of the auxiliary winch. Newer tractors have a number of outputs of tractor hydraulics, which can be connected to different users driven by a hydraulic pump of the tractor.

Glavni vitel je sestavljen iz glavnega bobna, na katerega je navita glavna vrv, ter pripadajočega glavnega pogona. Glavna vrv je na enem koncu pritrjena na glavni boben, na drugem koncu pa je prirejena, da se jo pritrdi na vlečeno breme. Obstaja več znanih načinov pritrditve drugega konca glavne vrvi na vlečeno breme, na primer kavelj, v katerega se vstavi gozdarsko verigo, ki se jo pritrdi na breme. Glavni vitel je pritrjen na ogrodje, ki je med delovanjem nepremično. Prednostno je ogrodje traktor in je glavni vitel na traktor pritrjen preko snemljivega priključka. Glavni pogon je skladno s stanjem tehnike lahko različno izveden; na primer pri izvedbenem primeru, ko je glavni vitel nameščen na traktorju, je glavni pogon najpogosteje izveden preko kardanske gredi traktorja.The main winch consists of a main drum, on which the main rope is wound, and the associated main drive. The main rope is attached at one end to the main drum, and at the other end it is adapted to be attached to the towed load. There are several known ways of fastening the second end of the main rope to the towed load, for example, a hook in which a forestry chain is inserted which is attached to the load. The main winch is attached to the frame, which is stationary during operation. Preferably, the tractor is a tractor and the main winch on the tractor is mounted via a removable attachment. The main drive can be implemented in different ways according to the state of the art; for example in an embodiment when the main winch is mounted on the tractor, the main drive is most often carried out via the PTO shaft of the tractor.

Glavni pogon in glavni boben lahko delujeta v naslednjih načinih: prosti tek: glavni pogon ne deluje, zavora je popolnoma popuščena, tako da je mogoče z uporabo zadostne fizične sile izvleči glavno vrv z glavnega bobna; vlečenje: glavni pogon deluje in sicer se glavni boben vrti v smeri, da se glavna vrv navija na glavni boben; zavora je v stanju pripravljenosti, da glavni vitel po potrebi preide v stanje zavrtosti takoj, ko izklopimo način vlečenja in želi breme razviti vrv iz glavnega bobna; zavrt: glavni pogon ne deluje, vendar je vrtenje glavnega bobna v smeri odvijanja glavne vrvi iz glavnega bobna preprečeno z zavoro, da glavne vrvi ni mogoče dodatno izvleči z bobna. Ta način se uporabi, ko želimo preprečiti neželeno drsenje bremena stran od glavnega vitla. V enem od izvedbenih primerov glavni vitel deluje v tem načinu, ko ni pritisnjena nobena tipka na krmilni konzoli.The main drive and main drum can operate in the following ways: idling: the main drive does not work, the brake is completely loose, so that with the use of sufficient physical force, the main rope from the main drum can be pulled out; pulling: the main drive operates; otherwise, the main drum rotates in the direction that the main rope is screwed onto the main drum; the brake is in the standby mode so that the main vibrator can be turned into a state of rotation as soon as it is turned off when the pull mode is switched off and the load is required to develop the rope from the main drum; rotary: the main drive does not work, but rotation of the main drum in the direction of unwinding of the main rope from the main drum is prevented by the brake so that the main rope can not be extracted further from the drum. This method is used when we want to prevent unwanted sliding of the load away from the main winch. In one embodiment, the main winch operates in this mode when no key is pressed on the control console.

Pomožni vitel je namenjen za vsakokratni privlek glavne vrvi do bremena. Sestavljen je iz pomožnega bobna, na katerega je navita pomožna vrv in pripadajočega pomožnega pogona za navijanje ali odvijanje pomožne vrvi z oziroma na pomožni boben. Prednostno je pomožni pogon hidravlični motor in se nahaja v sredini pomožnega bobna. Hidravlični motor je gnan preko krmilnega bloka pomožnega vitla in hidravličnih cevi s hidravlično črpalko traktorja.An auxiliary winch is designed for each attraction of the main rope to the load. It consists of an auxiliary drum to which the auxiliary rope and the associated auxiliary drive for winding or unwinding of the auxiliary rope with or on the auxiliary drum are wound. Preferably, the auxiliary drive is a hydraulic engine and is located in the middle of the auxiliary drum. The hydraulic engine is driven via the control unit of the auxiliary winding and hydraulic hoses with the hydraulic pump of the tractor.

Pomožna vrv je s svojim prvim koncem pritrjena na pomožni boben, drugi konec pa je prirejen za odstranljivo pritrditev na drugi konec glavne vrvi ali za odstranljivo pritrditev na vsakokratno vlečeno breme, prednostno hlode. Prednostno je na drugem koncu pomožne vrvi izvedena sponka v obliki karabina.The auxiliary rope is attached to the auxiliary drum with its first end, the other end being adapted for removable attachment to the other end of the main rope or for removable attachment to the respective towed load, preferably the logs. Preferably a terminal in the form of a carbine is made at the other end of the auxiliary rope.

Gred pomožnega bobna je v bistvu horizontalna, pri čemer je pomožna vrv navita na boben na tak način, da se drugi prosti konec odvija oziroma navija na zgornji obod pomožnega bobna. V enem od izvedbenih primerov ima pomožni vitel ohišje, ki je izvedeno v obliki votlega valja. Del oboda ohišja je izveden kot vratca, ki so v svojem zgornjem pritrditvenem delu nihajno pritrjena na fiksen del oboda ohišja, v svojem spodnjem delu pa imajo vratca izvedeno režo skozi katero je napeljana pomožna vrv. Nihajna pritrditev vratc je izvedena na znane načine, prednostno v osi, ki je v bistvu vzporedna gredi pomožnega bobna. Prednostno je senzor induktivni senzor, ki se nahaja v fiksnem delu oboda ohišja, in zaznava, kdaj so vratca zaprta in kdaj dvignjena. Senzor je preko stikala povezan s pomožnim pogonom. V prednostni izvedbi, ko je pomožni pogon izveden kot hidravlični motor, je stikalo izvedeno kot krmilni del ventila na hidravličnem bloku pomožnega vitla med hidravličnim motorjem in traktorjevo hidravlično črpalko.The shaft of the auxiliary drum is substantially horizontal, with the auxiliary rope wound on the drum in such a way that the second free end extends or rolls on the upper circumference of the auxiliary drum. In one embodiment, the auxiliary winder has a housing which is formed in the form of a hollow cylinder. A part of the periphery of the housing is made as a door, which in its upper fastening part is pivotally attached to the fixed part of the rim of the housing, and in its lower part, the door has a slot through which an auxiliary rope is installed. The swinging attachment of the door is carried out in known ways, preferably in an axis which is substantially parallel to the shaft of the auxiliary drum. Preferably, the sensor is an inductive sensor located in a fixed portion of the circumference of the housing, and detects when the door is closed and when it is raised. The sensor is connected to the auxiliary drive via the switch. In a preferred embodiment, when the auxiliary drive is implemented as a hydraulic motor, the switch is actuated as a control part of the valve on the hydraulic block of the auxiliary winch between the hydraulic motor and the tractor hydraulic pump.

Pomožni vitel deluje na naslednje načine: prosti tek: izvlek pomožne vrvi s pomožnega bobna je omogočen z zadostno vlečno silo, vendar brez pomoči pomožnega pogona; - navijanje pomožne vrvi na pomožni boben s pomočjo pomožnega pogona: v tem načinu delovanja senzor na fiksnem delu oboda ohišja ni aktiven, torej položaj vratc ne vpliva na delovanje pomožnega pogona; podajanje pomožne vrvi je izvedeno s pomožnim pogonom, ki se vrti v obratni smeri, kot pri navijanju; pri vklopu načina podajanja pomožne vrvi se aktivira senzor, ki preko pripadajočega stikala, ko senzor zazna, da so vratca odprta, vklopi pomožni pogon v smeri odvijanja pomožne vrvi. Ko senzor zazna, da vratca niso (več) odprta, se pomožni pogon preko stikala izklopi, kar pomeni tudi prenehanje tega načina delovanja.The auxiliary winch operates in the following ways: idling: the auxiliary rope extraction from the auxiliary drum is enabled with sufficient traction but without the assistance of an auxiliary drive; - winding the auxiliary rope on the auxiliary drum by means of an auxiliary drive: in this mode, the sensor on the fixed part of the casing circumference is not active, that is, the position of the door does not affect the operation of the auxiliary drive; the feeding of the auxiliary rope is carried out with an auxiliary drive rotating in the reverse direction, such as winding; when switching on the auxiliary rope feed method, a sensor is activated which, via the corresponding switch, senses that the door is open, the auxiliary drive in the direction of unrolling the auxiliary rope, when the sensor detects that the door is open. When the sensor detects that the door is not (more) open, the auxiliary drive is switched off via the switch, which also means the termination of this mode of operation.

Podajanje pomožne vrvi s pomožnega bobna se uporabi, ko delavec želi napeljati pomožno vrv po izbrani trasi delovišča. Ko delavec potegne za pomožno vrv in jo napne, se vratca dvignejo, kar senzor zazna in preko stikala vklopi pomožni pogon v smeri odvijanja vrvi. Na ta način se delavcu olajša odvijanje pomožne vrvi. Če se delavec vmes ustavi, pomožna vrv ni več napeta, vratca se zaprejo, kar senzor zazna, in preko stikala izklopi pomožni pogon. Na ta način preprečimo nehoteno pretirano razvijanje pomožne vrvi. Senzor in pripadajoče stikalo sta aktivna le v tem načinu delovanja.The feeding of the auxiliary rope from the auxiliary drum is used when the worker wishes to install an auxiliary rope along the selected route of the site. When the worker pulls the auxiliary rope and tensiones it, the door is raised, which the sensor detects and switches the auxiliary drive in the direction of unwinding the rope through the switch. In this way, the worker is facilitated by the development of an auxiliary rope. If the worker interrupts in between, the auxiliary rope is no longer tense, the door closes, the sensor detects, and switches off the auxiliary drive via the switch. This prevents the unwanted excessive development of the auxiliary rope. The sensor and the associated switch are only active in this mode of operation.

Pomožni vitel je rotacijsko na znane načine pritrjen na ogrodje ali na samostoječe pomožno stojalo, pri čemer je os te rotacije v bistvu vertikalna. V izvedbenem primeru, ko je pomožni pogon hidravličen, je rotacija omejena z dolžino hidravličnih cevi. Na ta način je omogočena optimalna nastavitev smeri pomožnega vitla glede na smer razvijanja pomožne vrvi na vsakokratni trasi delovišča, ki je usmerjena proti prvemu pomožnemu škripcu za pomožno vrv.The auxiliary winch is rotated in known ways mounted on the frame or on a stand-alone support stand, the axis of which is substantially vertical. In the embodiment, when the auxiliary drive is hydraulic, the rotation is limited by the length of the hydraulic hoses. In this way, it is possible to optimally adjust the direction of the auxiliary rope with respect to the direction of developing the auxiliary rope to the respective path of the site, which is directed towards the first auxiliary auxiliary rope.

Oddaljenost pomožnega vitla na pomožnem stojalu je v izvedbenem primeru, ko je pomožni pogon hidravličen, omejena z dolžino hidravličnih cevi.The distance of the auxiliary winch on the auxiliary stand is in the embodiment when the auxiliary drive is hydraulic, limited by the length of the hydraulic hoses.

Ko je smer pomožnega vitla določena, se z aretirnimi sredstvi, na znane načine onemogoči njegovo rotacijo okoli vertikalne osi, ker je rotacija med delovanjem pomožnega vitla nezaželena. V primeru uporabe pomožnega stojala, je le-tega potrebno fiksno pritrditi, na primer na drevo. Pomožno stojalo ima prednostno enak sistem za nastavitev smeri kot pri pritrditvi pomožnega vitla na ogrodje. V izvedbenem primeru je aretirno sredstvo izvedeno kot os z navojem, ki je privarjena na podnožje pomožnega vitla in ki poteka skozi luknjo v nosilcu, ki je fiksno pritrjen na ogrodje ali samostoječe pomožno stojalo, in pripadajoča matica ki sodeluje z navojem na osi. Ko je matica privita do konca, je rotacija onemogočena.When the direction of the auxiliary winch is determined, the rotation during the operation of the auxiliary winch is undesirable by means of arresting means, in known ways, preventing its rotation around the vertical axis. In case of using an auxiliary stand, it should be fixed fixed, for example to the tree. The auxiliary stand preferably has the same system for adjusting the direction as when attaching an auxiliary rope to the frame. In the embodiment, the arresting means is embodied as a threaded axis welded to the base of the auxiliary winch and which passes through a hole in the carrier which is fixedly attached to the frame or a stand-alone support stand, and the associated nut cooperating with the thread on the axis. When the nut is screwed to the end, rotation is disabled.

Sistem vsebuje vsaj en pomožni škripec, preko katerega je speljana pomožna vrv od izhodišča do bremena. Z uporabo večih pomožnih škripcev se pomožna vrv lahko optimalno razpelje po delovišču. Zaželeno je, da pomožna vrv med izhodiščem in zadnjim pomožnim škripcem ni napeljana po poti vlečenja bremena.The system contains at least one auxiliary pulley, through which the auxiliary rope is routed from the starting point to the load. By using several auxiliary pulleys, the auxiliary rope can be optimally spread over the site. It is desirable that the auxiliary rope between the starting point and the last auxiliary pulley is not routed along the path of pulling the load.

Upravljanje vitelskega sistema je v enem od izvedbenih primerov izvedeno preko krmilne konzole, ki je ali povezana s kablom ali pa se nahaja na daljinskem upravljalcu, pri čemer se preko ustreznih pritiskov na tipke aktivirajo želene funkcije oziroma ustrezno aktivirajo funkcije glavnega in pomožnega pogona.The control of the winch system in one of the embodiments is carried out via a control console that is either connected to a cable or located on the remote control, activating the desired functions through appropriate pressing keys or activating the functions of the main and auxiliary drive accordingly.

Postopek uporabe vitelskega sistema oziroma postopek aktiviranja funkcij glavnega in pomožnega pogona je opisan v nadaljevanju in vključuje naslednje korake: a. Ko se postavlja delovišče, se določi trasa spravila, ki poteka od glavnega vitla do bremena in po kateri se bo vleklo breme, in točke namestitve pomožnih škripcev, preko katerih se napelje pomožno vrv od pomožnega vitla do bremena. Zaželeno je, da se pomožno vrv preko pomožnih škripcev napelje čim bolj stran od trase spravila. b. Pomožni vitel se z rotacijo okoli vertikalne osi usmeri proti prvemu pomožnemu škripcu, nato se z aretirnimi sredstvi onemogoči njegovo rotacijo okoli vertikalne osi, saj rotacija med delovanjem pomožnega vitla ni zaželena. c. V naslednjem koraku je potrebno pomožno vrv napeljati od pomožnega vitla preko pomožnih škripcev do zadnjega pomožnega škripca, ki se nahaja v bližini bremena, nato pa naprej do glavnega vitla. Delavec lahko pomožno vrv izvlači v prostem teku pomožnega vitla, lahko pa si pomaga z vklopom načina podajanja pomožne vrvi. Ko delavec potegne za pomožno vrv v slednjem načinu delovanja in jo napne, se vratca dvignejo, kar senzor zazna in preko stikala vklopi pomožni pogon v smeri odvijanja vrvi. Na ta način se delavcu olajša odvijanje pomožne vrvi. Če se delavec vmes ustavi, pomožna vrv ni več napeta, vratca se zaprejo, kar senzor zazna, in preko stikala izklopi pomožni pogon. Na ta način preprečimo nehoteno pretirano razvijanje pomožne vrvi. d. Drugi konec napeljane (in razvite) pomožne vrvi se odstranljivo pritrdi na drugi konec glavne vrvi, ki je še skoraj v celoti navita na glavni boben. e. V naslednjem koraku se glavna vrv vleče z bobna od izhodišča do bremena s pomočjo pomožnega vitla. Glavna vrv se odvija z glavnega bobna hkrati, ko se pomožna vrv navija na pomožni boben. Glavni vitel pri tem deluje v načinu prostega teka, da je izvlek glavne vrvi omogočen, pomožni vitel pa deluje v načinu navijanja pomožne vrvi na pomožni boben. Hitrost pomožnega vitla določa hitrost, s katero se razvija glavna vrv. Ko je drugi konec glavne vrvi na želenem mestu, to je v bližini bremena, se izklopi način navijanja pomožnega vitla. f. Glavno vrv se odstranljivo, prednostno z gozdarsko verigo, pritrdi na breme. Pomožna vrv se odstranljivo pritrdi na zadnji del bremena, prednostno z gozdarsko verigo, zato da se pomožna vrv pri vlečenju bremena do izhodišča čim manj, ali sploh ne zapleta v breme. g. V naslednjem koraku se breme privleče do glavnega vitla. Glavni vitel deluje v načinu vlečenja, torej navijanja glavne vrvi na glavni boben, pomožni vitel pa deluje v načinu prostega teka, da je omogočeno razvijanje pomožne vrvi. h. Ko se breme privleče do izbranega mesta, se način vlečenja glavnega vitla izklopi in po potrebi glavni vitel začne delovati v načinu zavrt. Prednostno se način zavrt vklopi avtomatsko, ko ni pritisnjena nobena tipka na krmilni konzoli. Drugi konec glavne vrvi in drugi konec pomožne vrvi se odstrani z bremena. i. Če se želi nadaljevati z vlečenjem drugih bremen na istem delovišču, se nadaljuje s korakom d, opisanim zgoraj. Pred tem si lahko pomagamo z vklopom načina podajanja pomožne vrvi, da se pomožno vrv potegne za dolžino bremena do drugega konca glavne vrvi.The procedure of using a winch system or the process of activating the functions of the main and auxiliary drive is described below and includes the following steps: a. When the site is installed, the route of the harvesting, which runs from the main winch to the load, and from which the load will be towed, and the points of installation of the auxiliary pulleys, via which the auxiliary rope from the auxiliary winch to the load is being routed, is determined. It is desirable that the auxiliary rope through the auxiliary pulleys is driven as far as possible from the route of harvest. b. The auxiliary winch is rotated around the vertical axis towards the first auxiliary pulley, and then by means of arresting means it is impossible to rotate it around the vertical axis, since the rotation during the operation of the auxiliary winch is not desirable. c. In the next step, the auxiliary rope must be installed from the auxiliary winch via auxiliary pulleys to the last auxiliary pulley, located near the load, and then to the main winch. The worker can extract the auxiliary rope in the free running of the auxiliary winch, but it can help with the activation of the feeding rope feed method. When the worker pulls the auxiliary rope in the latter mode and tenses it, the door is raised, which the sensor detects and the auxiliary actuator turns on in the direction of the rope unwinding via the switch. In this way, the worker is facilitated by the development of an auxiliary rope. If the worker interrupts in between, the auxiliary rope is no longer tense, the door closes, the sensor detects, and switches off the auxiliary drive via the switch. This prevents the unwanted excessive development of the auxiliary rope. d. The other end of the corded (and developed) auxiliary rope is removably attached to the other end of the main rope, which is almost completely wound to the main drum. e. In the next step, the main rope is drawn from the drum from the starting point to the load using an auxiliary winch. The main rope takes place from the main drum at the same time as the auxiliary rope is wound up on the auxiliary drum. In this case, the main winch operates in idling mode so that the main rope haul is enabled and the auxiliary winch operates in the auxiliary rope winding mode on the auxiliary drum. The speed of the auxiliary winch determines the speed at which the main rope develops. When the other end of the main rope is in the desired location, that is near the load, the winding wound winding mode is switched off. f. The main rope is removable, preferably with a forestry chain, attached to the load. The auxiliary rope is removably attached to the rear part of the load, preferably with the forestry chain, so that the auxiliary rope is minimized, or even not burdened, at the time of pulling the load to the ground. Mr. In the next step, the load is drawn to the main winch. The main winch operates in the pull mode, that is, winding the main rope to the main drum, and the auxiliary winch operates in idle mode to enable the development of the auxiliary rope. h. When the load is drawn to the selected site, the main winch pulling mode is switched off and, if necessary, the main winch starts to operate in the rotary mode. The preferred mode of rotation is activated automatically when no key is pressed on the control console. The other end of the main rope and the other end of the auxiliary rope are removed from the load. i. If it is desired to continue to drag other loads on the same site, proceed with step d described above. Before doing this, we can help by turning on the auxiliary rope feeding method so that the auxiliary rope is pulled for the length of the load to the other end of the main rope.

Izum bo opisan v nadaljevanju z izvedbenim primerom in prikazan na slikah, ki prikazujejo:The invention will be described below with an exemplary embodiment and illustrated in the figures showing:

Slika 1 prikazuje vitelski sistem po izumuFigure 1 shows a winch system according to the invention

Sliki 2 in 3 prikazujeta pomožni vitel, ki je pritrjen na ohišje glavnega vitlaFigures 2 and 3 show an auxiliary winch which is attached to the main winding housing

Slika 4 prikazuje primer uporabe vitelskega sistema po izumu V izvedbenem primeu na sliki 1 je prikazan vitelski sistem, ki je pritrjen na ogrodje 16, in sicer na snemljivi priključek traktorja. Vitelski sistem je sestavljen iz glavnega vitla 1 in pomožnega vitla 2. Glavni vitel 1 je sestavljen iz glavnega bobna 3, na katerega je navita glavna vrv 4, ter pripadajočega glavnega pogona, ki ima izvedeno povezavo na kardansko gred pogonskega motorja traktorja (na sliki ni prikazano).Figure 4 shows an example of the use of a winch system according to the invention. In the embodiment of the embodiment of FIG. 1, a winch system is attached which is attached to the frame 16 to the detachable attachment of the tractor. The winch system consists of the main winch 1 and the auxiliary winch 2. The main winch 1 consists of the main drum 3 to which the main rope 4 is wound, and the associated main drive having a connection to the pto shaft of the drive engine of the tractor (there is no shown).

Na sliki 2 in 3 je prikazan pomožni vitel 2, ki je sestavljen iz ohišja 5 s pomožnim bobnom 6, katerega gred je v bistvu horizontalna in na katerega je navita pomožna vrv 7, in pripadajočim pomožnim pogonom 8 za navijanje ali odvijanje pomožne vrvi 7 z oziroma na pomožni boben 6. Pomožni pogon 8 je hidravlični motor in se nahaja v sredini pomožnega bobna 6. Hidravlični motor je gnan s hidravlično črpalko traktorja preko krmilnega bloka pomožnega vitla 2 in hidravličnih cevi 15. Ohišje 5 pomožnega bobna 6 je izvedeno v obliki votlega valja. Del oboda ohišja 5 je izveden kot vratca 9, ki so v svojem zgornjem pritrditvenem delu 10 nihajno pritrjena na fiksen del oboda ohišja 5, v svojem spodnjem delu 11 pa imajo vratca 9 izvedeno režo 12 skozi katero je napeljana pomožna vrv 7. V fiksnem delu oboda ohišja 5 se nahaja induktivni senzor 13, ki zaznava, kdaj so vratca 9 zaprta in kdaj dvignjena. Senzor 13 je preko stikala povezan s pomožnim pogonom 8, to je s hidravličnim motorjem. Stikalo je izvedeno kot krmilni del ventila na hidravličnem bloku pomožnega vitla 2 med hidravličnim motorjem, to je pomožnim pogonom 8 in traktorjevo hidravlično črpalko. Pomožni vitel 2 je rotacijsko pritrjen na ogrodje 16 oziroma na snemljivi priključek traktorja preko podnožja 17 pomožnega vitla 2 z osjo 18 z navojem in nosilca 14, ki ima luknjo za sprejem osi 18 z navojem, pri čemer je nosilec 14 fiksno privijačen na ogrodje 16. Aretirna sredstva 24 so v konkretnem izvedbenem primeru izvedena kot os 18 z navojem, ki je vstavljena v luknjo na nosilcu 14, in pripadajočo matico 19, ki sodeluje z navojem na osi. Ko je matica privita do konca, je rotacija onemogočena.Figures 2 and 3 show an auxiliary winder 2 consisting of a housing 5 with an auxiliary drum 6 whose shaft is substantially horizontal and to which the auxiliary rope 7 is wound and the associated auxiliary actuator 8 for winding or unwinding the auxiliary rope 7 z or an auxiliary drum 6. The auxiliary drive 8 is a hydraulic engine and is located in the middle of the auxiliary drum 6. The hydraulic motor is driven by a hydraulic pump of the tractor via the control block of the auxiliary winch 2 and the hydraulic hoses 15. The housing 5 of the auxiliary drum 6 is made in the form of a hollow it's bullshit. A portion of the periphery of the housing 5 is made as a door 9 which, in its upper fastening part 10, is pivotally attached to the fixed portion of the circumference of the housing 5, and in its lower part 11, the door 9 has a slot 12 through which the auxiliary rope 7 is installed. In the fixed part The circumference of the housing 5 is an inductive sensor 13, which detects when the door 9 is closed and when it is lifted. Sensor 13 is connected via a switch to an auxiliary drive 8, i.e. a hydraulic motor. The switch is actuated as a control part of the valve on the hydraulic block of the auxiliary winch 2 between the hydraulic motor, i.e. the auxiliary drive 8 and the tractor hydraulic pump. The auxiliary winch 2 is rotatably attached to the frame 16 or to the detachable attachment of the tractor through the base 17 of the auxiliary winch 2 with a thread 18 and a bearing 14 having a hole for receiving the axis 18 with a thread, wherein the carrier 14 is fixedly fixed to the frame 16. The engagement means 24 are, in the particular embodiment, carried out as a threaded axis 18 which is inserted into the hole on the carrier 14 and the corresponding nut 19 cooperating with the thread on the axis. When the nut is screwed to the end, rotation is disabled.

Na sliki 4 je prikazan primer uporabe vitelskega sistema. Ko se postavlja delovišče 20, se določi trasa spravila 21 in se postavijo pomožni škripci 22. Pomožna vrv 7 se s pomočjo pomožnega vitla 2 pelje od pomožnega vitla 2 preko pomožnih škripcev 22 do zadnjega pomožnega škripca 22, ki se nahaja v bližini bremena 23, nato pa naprej do glavnega vitla 1. Glavni vitel 1 in pomožni vitel 2 sta pritrjena na ogrodje 16, in sicer na snemljivi priključek traktorja. Pomožna vrv 7 se s karabinom odstranljivo pritrdi na drugi konec glavne vrvi 4. Glavna vrv 4 se vleče z glavnega bobna oziroma glavnega vitla 1 od traktorja do bremena 23 s pomočjo pomožnega vitla 2. Glavna vrv 4 se odvija z glavnega bobna hkrati, ko se pomožna vrv 7 navija na pomožni boben. Ko se glavna vrv 4 pripelje do bremena 23, se glavna vrv 4 pritrdi na breme 23. Pomožna vrv 7 se pritrdi na zadnji del bremena 23, zato da se pomožna vrv 7 pri vlečenju bremena 23 do traktorja ne zapleta v breme 23. Glavni vitel 1 začne vleči breme 23 do traktorja. Glavna vrv 4 se začne navijati na glavni boben glavnega vitla 1, pomožna vrv 7 pa se odvija iz pomožnega bobna 6 pomožnega vitla 2. Ko se breme 23 privleče do traktorja, se postopek ponovi z drugim bremenom 23.Figure 4 shows an example of a winch system. When the workpiece 20 is installed, the harvesting route 21 is determined and the auxiliary pulleys 22 are installed. The auxiliary rope 7 is driven by auxiliary winches 2 from the auxiliary winch 2 via auxiliary pulleys 22 to the last auxiliary pulley 22 located near the load 23, and then to the main winch 1. The main winch 1 and the auxiliary winder 2 are attached to the frame 16, to the detachable attachment of the tractor. The auxiliary rope 7 is removably attached to the other end of the main rope 4 with the carabiner. The main rope 4 is to be pulled from the main drum or the main winch 1 from the tractor to the load 23 by means of an auxiliary winch 2. The main rope 4 takes place from the main drum at the same time the auxiliary rope 7 is screwed on the auxiliary drum. When the main rope 4 leads to the load 23, the main rope 4 is fixed to the load 23. The auxiliary rope 7 is fixed to the rear portion of the load 23 so that the auxiliary rope 7 does not entangle the load rope 23. The main rope 1 starts pulling the load 23 to the tractor. The main rope 4 starts to wind up on the main drum of the main winch 1, and the auxiliary rope 7 takes place from the auxiliary drum 6 of the auxiliary winch 2. When the load 23 is drawn to the tractor, the process is repeated with the second load 23.

Prednosti uporabe vitelskega sistema s pomožnim vitlom so: pomožni vitel pomaga pri privleku glavne vrvi do bremena; omogoča, da se pomožna vrv, ki je prednostno vsaj dvakrat daljša od glavne vrvi, vleče po bolj poljubni poti z enostavnejšim dostopom, poleg tega pa omogoča, da je potek pomožne vrvi od izhodišča do zadnjega pomožnega škripca bistveno drugačen od poti vlečenja bremena, kar je zaželeno, da se vrvi med seboj ne zapletajo, kar bistveno olajša delo; omogoča uporabo pomožnih škripcev za vodenje pomožne vrvi, ki se lahko namestijo v različnih smereh in na oddaljenosti od pomožnega vitla, kar z rotacijskim prilagajanjem smeri pomožnega bobna omogoča enakomerno navijanje pomožne vrvi na pomožni boben, tako da ne pride do nabiranja navite pomožne vrvi samo na enem koncu pomožnega bobna in posledično daljšo življensko dobo pomožne vrvi. Posledično je omogočena uporaba širšega pomožnega bobna in s tem manjšo obremenitev pomožnega pogona, ko je pomožna vrv navita na pomožni boben. Pri naviti vrvi se ročica povečuje, zato motor težje navija vrv, zato je posledično zaželena uporaba širokega pomožnega bobna, da se pomožna vrv navija po njegovi širini in ne po njegovi višini; omogoča, da sta oba pogona gnana z istim delovnim strojem/traktorjem.The advantages of using a winch system with an auxiliary winch are: the auxiliary winch helps to attract the main rope to the load; allows the auxiliary rope, which is preferably at least twice as long as the main rope, to draw on a more optional route with simpler access, and in addition allows the auxiliary rope from the starting point to the last auxiliary pulley to be substantially different from the pulling path of the load, which it is desirable that ropes are not complicated, which significantly facilitates work; it enables the use of auxiliary pulleys for running auxiliary ropes, which can be installed in different directions and at a distance from the auxiliary winch, which, by rotating the directional adjustment of the auxiliary drum, enables uniform winding of the auxiliary rope to the auxiliary drum, so that the auxiliary rope can not be picked up only on one end of the auxiliary drum and, consequently, a longer service life of the auxiliary rope. As a consequence, a wider auxiliary drum is enabled and thus a lower load of the auxiliary drive when the auxiliary rope is wound on the auxiliary drum. When the rope is rolled up, the lever increases, so the motor is more difficult to crawl the rope, and consequently it is desirable to use a wide auxiliary drum so that the auxiliary rope is wound around its width and not its height; allows both drives to be driven by the same work machine / tractor.

Claims

Patent claims

A towing system for pulling loads (23) wherein the winch system is preferably used as a tractor attachment in logging logs comprising a main tow (1) for pulling a towed load (23) comprising a main drum (3) with it the main rope (4) and the associated main drive, the main rope (4) being fixed at one end to the main drum (3), at the other end being adapted to be attached to the towed load (23), the main winch (1) is fixed to a frame (16) which is stationary during operation, characterized in that the winch system additionally comprises an auxiliary winch (2) which is rotatably mounted on the frame (16) via the carrier (14) or and the axis of this rotation is substantially vertical, and includes: - a housing (5), - an auxiliary drum (6) with an auxiliary rope (7) wound on it, the auxiliary rope (7) with its first end being fixed on the auxiliary drum (6), the other end being adapted for removable attachment to the other end (23), - the associated auxiliary drive (8), and - arresting means (24) for preventing the rotation of the auxiliary winch (2) during operation; and at least one auxiliary pulley (22) through which the auxiliary rope (7) is routed from the starting point to the towed load (23).

A winch system according to claim 1, characterized in that the shaft of the auxiliary drum (6) is substantially horizontal, the auxiliary rope (7) being wound on the auxiliary drum (6) in such a way that the second free end extends or (6), the housing (5) is provided in the form of a hollow cylinder, wherein the part of the circumference of the housing (5) is made as a door (9), which in its upper fastening part (9) is provided with a slot (12) through which the auxiliary rope (7) is provided, and the swinging of the door (9) is carried out in the lower part (11) of the housing (10) is carried out in an axis substantially parallel to the shaft of the auxiliary drum and in the fixed portion of the circumference of the housing there is a sensor which detects when the door (9) 13) via a switch connected to the auxiliary drive (8).

A winch system according to claims 1 to 2, characterized in that the main drive and auxiliary drive (8) are driven from the same machine, preferably to the tractor, the main drive being driven through the PTO shaft and the auxiliary drive (8) is hydraulic a motor driven by a hydraulic pump of the tractor via a control block of the auxiliary winch (2).

A winch system according to claims 1 to 3, characterized in that the switch is implemented as a control part of the valve on the hydraulic block of the auxiliary winch (2) between the hydraulic motor and the tractor hydraulic pump.

A winch system according to claims 1 to 4, characterized in that the control of the winch system is carried out via a control console that is either connected to a cable or located on the remote control, the corresponding functions being activated by the corresponding functions or activate the functions of the main and auxiliary drive (8) accordingly.

The winch system according to claims 1 to 5, characterized in that the main winch (1) and the main drive act in the following operating modes: idling: the main drive is not running, the brake is completely loose so that sufficient the physical forces pull out the main rope (4) from the main drum (3); pulling: the main drive operates; otherwise, the main drum (3) rotates in the direction that the main rope (4) is screwed onto the main drum (3); the brake is in standby mode, rotated: the main drive does not work, but rotation of the main drum (3) is prevented from the main drum (3) from the main drum (3) in the direction of unwinding of the main rope (4) and the auxiliary winch (2) and the auxiliary drive ) operate in the following operating modes: idling: the auxiliary rope extraction (7) from the auxiliary drum (6) is provided with sufficient traction, but without the aid of an auxiliary drive (8); winding the auxiliary rope (7) on the auxiliary drum (6) by means of an auxiliary actuator (8): in this operating mode the sensor (13) on the fixed part of the circumference of the housing (5) is not active, and the position of the door (9) (8); the feeding of the auxiliary rope (7) is carried out with an auxiliary drive (8) rotating in the reverse direction, such as winding.

7. A winding system according to claims 1 to 6, characterized in that the sensor (13) is activated when the feeding method of the auxiliary rope (7) is activated, which via the corresponding switch, when the sensor (13) detects that the door (9) open, activates the auxiliary drive (8) in the direction of unrolling the auxiliary rope (7).

8. An auxiliary winch (2), characterized in that it is adapted for rotational attachment to the frame (16) or to a stand-alone stand through the carrier (14), and the axis of this rotation is substantially vertical, and includes: - the housing (5 ), - an auxiliary drum (6) with an auxiliary rope (7) wound on it, the auxiliary rope (7) with its first end being fixed to the auxiliary drum (6), the other end being adapted for removable attachment to the other end of the main rope (4) or for removable attachment to the respective towed load (23), the associated auxiliary drive (8), and - arresting means (24) to prevent the rotation of the auxiliary winch (2) around the vertical axis during operation.

Auxiliary winch (2) according to claim 8, characterized in that the auxiliary drive (8) is a hydraulic motor driven by a hydraulic pump of the tractor via the auxiliary winding control unit (2).

10. Auxiliary winch (2) according to claims 8 to 9, characterized in that the shaft of the auxiliary drum (6) is substantially horizontal, wherein the auxiliary rope (7) is wound on the auxiliary drum (6) in such a way that the second free end extends or winds onto the upper circumference of the auxiliary drum and the auxiliary drum has a housing made in the form of a hollow cylinder, the part of the circumference of the housing being made as a door (9) which are in the upper fixing part (10) is pivotably fixed to the fixed portion of the rim of the housing (5), and in its lower part (11) the door (9) is provided with a slot (12) through which an auxiliary rope (7) is provided, and the swinging attachment a door (9) is formed in an axis which is substantially parallel to the shaft of the auxiliary drum (6) and in the fixed portion of the periphery of the housing (5) there is a sensor (13) which detects when the door (9) is closed and when raised wherein the sensor (13) is connected via a switch to the auxiliary drive (8).

11. Auxiliary winch (2) according to claims 8 to 10, characterized in that the auxiliary winch (2) and auxiliary drive (8) act in the following operating modes: - free running: auxiliary rope extraction (7) from the auxiliary drum (6) ) is provided with sufficient traction, but without the aid of auxiliary drive (8); - winding the auxiliary rope (7) on the auxiliary drum (6) by means of an auxiliary actuator (8): in this operating mode, the sensor (13) is not active on the fixed part of the circumference of the housing (5), and the position of the door (9) drive (8); - the feeding of the auxiliary rope (7) is carried out with an auxiliary actuator (8) rotating in the reverse direction, such as winding.

12. Auxiliary winch (2) according to claims 8 to 11, characterized in that the sensor (13) is activated when the feeding method of the auxiliary rope (7) is activated, which, via the corresponding switch, detects when the sensor (13) detects that the door ( 9) is open, activates the auxiliary drive (8) in the direction of unrolling the auxiliary rope (7).

Method of using a towing system for towing loads (23) according to claims 1 to 7, wherein the winch system is preferably used as a tractor attachment in forestry for logging, comprising the steps of: a. positioning the work site (20), and determining the harvesting route (21), and setting points for at least one auxiliary pulley (22); b. the direction of the auxiliary winch (2) by rotation about the vertical axis towards the first auxiliary pulley (22) and with the arresting means (24) preventing the rotation of the auxiliary winch (2) during operation; c. installing an auxiliary rope (7) from the auxiliary winches (2) via auxiliary pulleys (22) to the last auxiliary pulley (22) located near the load (23), and then to the main winch (1), the auxiliary the rope (7) extracts the auxiliary winch (2) at idle speed, or by activating the feeding rope feed method; d. removable attachment of the second end of the auxiliary rope (7) to the other end of the main rope (4); e. pulling the main rope (4) from the main drum (3) from the starting point to the load (23) by means of an auxiliary winch (2), wherein the main winch (1) operates in idling mode, the auxiliary winch (2) operates in the winding mode of the auxiliary ropes (7) on the auxiliary drum (6), f. removable attachment of the main rope (4) to the towed load (23) and removable attachment of the auxiliary rope (7) to the back of the load (23); Mr. pulling the main rope (4) to the main drum (3), the auxiliary winch (2) acting in the idling mode so that the main rope (1) it is possible to develop an auxiliary rope (7); h. when the load (23) is drawn to the main winch (1), the method of drawing the main winch (1) is switched off and the main winch (1) starts to operate in the rotary mode; the other end of the main rope (4) and the other end of the auxiliary rope (7) are removed from the load (23); i. if it is desired to continue to pull other loads (23) on the same work site (20), proceed with step d described above.

Method according to claim 14, characterized in that in the step c, the sensor (13) is actuated by activating the feeding method of the auxiliary rope (7), which via the corresponding switch, when the sensor (13) detects that the door (9) is open , activates the auxiliary drive (8) in the direction of unrolling the auxiliary rope (7).