Claims (4)
Gozdarski vitel z napravo za vodenje vrvi za kontrolirano odvijanje vlečne vrvi z navijalnega bobna SPREMENJENI PATENTNI ZAHTEVKIForestry winch with rope control device for controlled unwinding of the tow rope from the reel drum MODIFIED PATENT REQUIREMENTS
1. Gozdarski vitel z izpopolnjenim krmiljenjem sklopa za kontrolirano odvijanje vlečne vrvi (2) z navijalnega bobna (1), pri čemer je omenjeni vitel še zlasti prirejen za priključitev na tritočkovni priključni mehanizem traktorja in obsega okrov ter v slednjem vgrajen s pomočjo kardanske gredi traktorja preko ustrezne sklopke in reduktorja gnan boben (1) za navijanje oz. odvijanje vlečne vrvi (2), in pri čemer je na zunanji površini omenjenega okrova vitla na voljo vsaj zgornji škripČnik (3), ki je zasukljiv okoli vertikalne geometrijske osi (30) in obsega vrvenico (32), kot tudi pod zgornjim škripčnikom (3) na primerni oddaljenosti od podlage razporejen spodnji škripčnik z vrvenico, tako da je omenjena vlečna vrv (2) namestljiva vsaj preko vrvenice (32) zgornjega škripčnika (3), kot tudi preko vrvenice spodnjega škripčnika, in pri čemer zgornji škripčnik (3) vitla obsega lasten okrov (31), v katerem je okoli svoje horizontalne geometrijske osi (320) vrtljivo vgrajena vrvenica (32), zgornji škripčnik (3) pa je nadalje opremljen z vodilno pušo (33), skozi katero poteka v notranjosti okrova (31) zgornjega škripčnika (3) preko omenjene vrvenice (32) nameščena in v smeri proti navijalnemu bobnu (1) tudi preko primernega usmerjevalnega sklopa (4) potekajoča vlečna vrv (2), in pri čemer vitel nadalje obsega v območju zgornjega škripčnika (3) razporejen, za sodelovanje z vlečno vrvjo (2) prirejen podporni kotalčni element (5), ki je vzmetno podprt in zavihtljiv med dvema končnima položajema, izmed katerih eden ustreza naleganju omenjenega podpornega kotalčnega elementa (5) na napeti vlečni vrvi (2), preostali pa vsaj približno naleganju podpornega kotalčnega elementa (5) na nenapeti vlečni vrvi (2), razen tega pa je gozdarski vitel opremljen tudi s senzorjem (6) za zaznavanje vsakokratnega položaja omenjenega podpornega kotalčnega elementa (5), označen s tem, da je podporni kotalčni element (5) na zgornjem škripčniku (3) pritrjen zavihtljivo okoli geometrijske osi (320) vrtenja vrvenice (32) zgornjega škripčnika (3), vendar neodvisno od vrtenja omenjene vrvenice (32), in prirejen za sodelovanje s proti navijalnemu bobnu (1) potekajočim krakom (21) vlečne vrvi (2), pri čemer je omenjeni kotalčni element (5) razporejen v območju med omenjenim krakom (21) vlečne vrvi (2) in pripadajočo vrvenico (32) zgornjega škripčnika (3) vitla ter zavihtljiv iz svojega prvega končnega položaja na tangenti (T) na vrvenico (32), ki sovpada s smerjo poteka omenjenega kraka (21) napete vlečne vrvi (2) proti navijalnemu bobnu (1), v svoj drug končni položaj na odmiku od omenjene tangente (T) v smeri vstran od vrvenice (32), ki vsaj približno ustreza položaju omenjenega kraka (21) nenapete vlečne vrvi (2) in v katerem je kotalčni element (5) držan s pomočjo vsaj ene vzmeti (7), in s tem, da vitel nadalje obsega tudi senzor (6) za zaznavanje vsakokratnega položaja omenjenega kotalčnega elementa (5), pri čemer je omenjeni senzor (6) razporejen v vmesnem območju prehajanja omenjenega kotalčnega elementa (5) iz svojega prvega končnega položaja v svoj drug končni položaj ali obratno.1. A forestry winch with improved control of the assembly for controlled unwinding of the tow rope (2) from the winding drum (1), said winch being particularly adapted to be connected to the three-point linkage of the tractor and comprising the casing, and in the latter it is incorporated by means of a PTO shaft of the tractor through the corresponding coupling and gearbox, the driven drum (1) for winding, (2), and wherein at least an upper pulley (3) is provided on the outer surface of said winch box, which is rotatable about a vertical geometric axis (30) and comprises a pulley (32), as well as under the upper pulley (3 ) at a suitable distance from the base is arranged a lower pulley with a pulley such that said tow rope (2) is positioned at least via the upper pulley (32) of the upper pulley (3), as well as via the lower pulley pulley, and wherein the upper pulley (3) of the winch (31) in which a pulley (32) is rotatably mounted around the horizontal geometric axis (320), and the upper pulley (3) is further provided with a guide sleeve (33) through which it passes in the interior of the casing (31) of the upper pulley (3) via the said pulley (32) and, in the direction towards the winding drum (1), a towing rope (2) is running also through a suitable routing assembly (4), and wherein the winch further comprises in the region of the upper the tug (3) is arranged, in order to cooperate with the tow rope (2), the supporting rolling element (5) is spring-supported and swiveled between the two end positions, one of which corresponds to the mounting of said support roller element (5) on the strained tow rope 2), and the remaining at least approximately the support of the support roller element (5) on the unladen tow rope (2), and in addition a forestry winch is also provided with a sensor (6) for detecting the respective position of said support roller member (5), characterized by , that the support roller element (5) is fastened around the geometric axis (320) of the pulley (32) of the upper pulley (3) on the upper pulley (3), but independently of the rotation of said pulley (32) and is adapted to cooperate with (2), said roller member (5) being arranged in the region between said arm (21) of the tow rope (2) and the associated rope (21) of the tow rope (32) of the upper pulley (3) and swing from its first end position on the tangent (T) to the pulley (32) coinciding with the direction of the said arm (21) of the strained tow rope (2) against the winding drum (1) , in its other end position at a distance from said tangent (T) in the direction away from the pulley (32), which at least approximately corresponds to the position of said arm (21) of the traction cord (2) and in which the rolling element (5) with the help of at least one springs and in that the winch further includes a sensor for detecting the respective position of said rolling element, said sensor being arranged in the intermediate crossing region of said rolling element. ) from its first end position to its other end position or vice versa.
2. Gozdarski vitel po zahtevku 1, označen s tem, daje kotalčni element (5) v območju zgornjega škripčnika (3) vgrajen zavihtljivo okoli osi (320) vrtenja vrvenice (32) s pomočjo dvojice med seboj vzporedno razmaknjenih drsnih prstanov (51, 52), izmed katerih je vsak opremljen z radialno navzven štrlečim nastavkom (510, 520), med omenjenima nastavkoma (510, 520) obeh prstanov (51, 52) pa je vgrajena z njima togo povezana in skozi pripadajoča izreza (310) v okrovu (31) zgornjega škripčnika (3) potekajoča os (55) z na sebi prosto vrtljivo nameščenim kotalčnim elementom (5), ki je s tem razporejen v notranjosti okrova (31) zgornjega škripčnika (3) gozdarskega vitla, pri čemer omenjena os (55) poteka vzporedno z osjo (320) vrvenice (32) in na omenjenima končnima položajema kotalčnega elementa (5) oz. poteku kraka (21) vlečne vrvi (2) primernem odmiku od oboda omenjene vrvenice (32), obenem pa je na vsaj enem izmed omenjenih radialnih nastavkov (510, 520) na voljo pritrdišče (70) vzmeti (7), ki je po drugi strani v območju pritrdišča (72) pripeta na okrov (31) zgornjega škripčnika (3) in s katero je kotalčni element (5) skupaj s pripadajočo osjo (55) in drsnima prstanoma (51, 52) držan v svojem drugem končnem položaju.2. The forestry winch according to claim 1, characterized in that the roller element (5) is mounted in the region of the upper pulley (3) swivel about the axis (320) of the rope pulley (32) by means of two parallel sliding rings (51, 52 ), each of which is provided with a radially outwardly projecting attachment (510, 520), and between the said attachments (510, 520) of the two rings (51, 52) is rigidly connected to them and through the respective recesses (310) in the housing 31) of the upper pulley (3) extending an axis (55) with a freely rotatably mounted rolling element (5) arranged in the interior of the casing (31) of the upper pulley (3) of the forestry winch, said axis (55) is carried out in parallel with the axis (320) of the pulley (32) and on said end positions of the roller element (5) at the same time, at least one of said radial mounts (510, 520) is provided with an anchorage (70) of the spring (7) which, on the other hand, the side in the region of the anchorage (72) is attached to the upper pulley (31) of the upper pulley (3) and with which the rolling element (5) together with the associated axis (55) and the sliding rings (51, 52) is held in its second end position.
3. Gozdarski vitel po zahtevku 1 ali 2, označen s tem, da kotalčni element (5) predstavlja na omenjeni osi (55) prosto vrtljiv valj.The forest winch according to claim 1 or 2, characterized in that the roller element (5) represents a freely rotatable cylinder on said axis (55).
4. Gozdarski vitel po kateremkoli od predhodnih zahtevkov, označen s tem, da omenjeni senzor (6) predstavlja induktivni senzor, ki je zmožen zaznati, da se kotalčni element (5) nahaja v njegovi bližini oz. da se premika mimo njega, on temu primerno generirati vsakokrat ustrezen električni signal.A forestry winch according to any of the preceding claims, characterized in that said sensor (6) is an inductive sensor capable of detecting the rolling element (5) in its vicinity or to move past him, he must generate an appropriate electrical signal each time.