SI22797A

SI22797A - Hydraulic driving and guiding assembly of a line supporting element, in particularly pulley of a forestry winch

Info

Publication number: SI22797A
Application number: SI200800144A
Authority: SI
Inventors: PAN Iztok Ĺ
Original assignee: Tajfun Planina Proizvodnja Strojev, D.O.O.
Priority date: 2008-06-03
Filing date: 2008-06-03
Publication date: 2009-12-31

Abstract

The aim of the invention is to provide the concept of a hydraulic driving and guiding assembly, in particular a pulley, belt pulley or chain wheel, featuring a pulley driven by a hydraulic drive (3) for unwinding rope from the drum of a forestry winch whose width in the area of the rotation axis (10) is as small as possible. For this purpose a hydraulic driving and guiding assembly of a flexible line supporting element has been designed which includes a driving element (1) that can be rotated around the geometrical axis (10) with the help of a hydraulic drive (3), which is in the area of bearings (41, 42) or similar beddings embedded inside the corresponding enclosure (2), while the drive element (1) is with the option of transferring the torque attached to the rotational part (31) of the hydraulic drive (3) reaching inside the enclosure (2) and embedded in it, which is by its static part (31) firmly connected to the aforementioned enclosure (2).

Description

Hidravlični pogonski in vodilni sklop gibkega linijskega nosilnega elementa, zlasti vrvenica pri gozdarskem vitluHydraulic drive and guide assembly of flexible linear support element, especially rope in forestry winch

Izum je na področju delovnih postopkov in transporta uvrščen k pogonskim sklopom škripčevij in naprav za dviganje gozdarskim vitlom in podobnim, večidel vsaj približno v horizontalni smeri delujočim napravam, še zlasti pa zadeva konstrukcijske podrobnosti tovrstnih naprav. Po drugi strani je izum v splošnem lahko uvrščen na področje strojnih elementov in transmisij, še zlasti k vrvenicam, jermenicam in verižnim kolesom.In the field of working procedures and transportation, the invention is classified as a set of pulleys and lifting devices for forestry winches and the like, mostly at least horizontally operating devices, and in particular concerns the structural details of such devices. On the other hand, the invention can generally be classified within the field of machine elements and transmissions, in particular to pulleys, pulleys and chain wheels.

Pri tem je izum osnovan na problemu, kako zasnovati hidravlično gnan pogonski vodilni sklop, namreč vrvenico, jermenico ali verižno kolo, še zlasti s hidravličnim motorjem gnano vrvenico za odvijanje vrvi z bobna pri gozdarskem vitlu, katere širina v območju osi rotacije naj bo karseda majhna.The invention is based on the problem of how to design a hydraulically driven drive train, namely a pulley, a pulley or a chain wheel, and in particular a hydraulic motor driven rope to unroll the rope from a drum in a forestry winch, whose width in the axis of rotation should be as small as possible .

Pri gozdarskih vitlih se pogon navijalnega bobna vrši s pomočjo kardanske gredi, kije priključena na pogon traktorja, in preko ustreznega reduktorja. Obenem je pri vitlih večje nosilnosti na voljo hidravlični tokokrog, katerega pogonski agregat je na voljo bodisi na traktorju ali kar na vitlu samem. Ker ima pri vitlih večje nosilnosti navijalni boben zaradi razmeroma velike količine nanj navite vrvi razmeroma velike debeline veliko vztrajnost, je odvijanje vrvi v primeru popuščene zavore bobna izjemno težavno, zato je za odvijanje vrvi pogosto predvidena pomožna vrvenica, ki je hidravlično gnana. Tovrstna vrvenica je nameščena na gredi, ki je v približno horizontalnem položaju uležajena v okrovu, ki je zasukljiv okoli vertikalne osi. Na okrovu je s pomočjo ustrezne prirobnice soosno z omenjeno gredjo pričvrščen hidravlični motor, ki tako štrli iz omenjenega okrova, s čimer je širina tako gnane vrvenice v njeni osno smeri v območju osi rotacije izjemno velika. Ta prekomerna širina vrvenice skupaj s pripadajočim pogonskim motorjem pogosto ovira delo z vitlom na terenu in transport samega vitla, obenem pa tudi kazi estetski videz naprave.For forestry winches, the winding drum is driven by a PTO shaft connected to the tractor drive and by a suitable gear unit. At the same time, for winches of higher capacity, there is a hydraulic circuit whose drive unit is available either on the tractor or on the winch itself. Because of the relatively large amount of rope windings of relatively high thickness, the winding drum has a high inertia in the winches of higher capacity, it is extremely difficult to unwind the rope in the event of a broken drum brake, so it is often necessary to use a hydraulically driven auxiliary rope to unwind it. This type of rope is mounted on a shaft which is in a roughly horizontal position mounted in a housing which is rotatable about a vertical axis. With the help of a suitable flange, a hydraulic motor is attached to said shaft coaxially with said shaft, which protrudes from said housing, which makes the width of the rope so driven in its axial direction in the area of the axis of rotation extremely large. This excessive width of the rope, together with its associated propulsion engine, often impedes the work of the winch in the field and the transport of the winch itself, while also showing the aesthetic appearance of the device.

Pod navedbo »gibek linijski nosilni elementi« je za potrebe interpretacije obsega tega izuma in še zlasti obsega patentnega varstva treba razumeti vsakršen gibek, pretežno linijsko usmerjen nosilni element, ki je zmožen prenašati sile vsaj v eni osni smeri, še zlasti npr. natezne sile, pri čemer v to skupino nosilnih elementov sodijo zlasti vrvi, vključno z jeklenimi vrvmi, jermeni, vključno s ploščatimi, klinastimi ali drugače profiliranimi jermeni, ter verige, vključno s členkastimi in lamelnimi verigami.By the term " flexible linear support members " for the purpose of interpreting the scope of the present invention and in particular the scope of patent protection, any flexible, predominantly linear oriented support element capable of transmitting forces in at least one axial direction, in particular e.g. tensile forces, in particular in this group of load-bearing elements, ropes, including steel ropes, belts, including flat, wedge or otherwise shaped belts, and chains, including articulated and laminated chains.

Temu ustrezno gre torej pod izrazom »hidravličnipogonski in vodilnisklop gibkega linijskega nosilnega elementa« razumeti s pomočjo hidravličnega medija gnan pogonski sklop zgoraj opredeljenega gibkega linijskega nosilnega elementa, še zlasti torej vrvenico, jermenico ali verižno kolo, pri čemer izraz »hidravlični medij« vključuje poljubno tekočo ali plinasto snov, ki je primerna za konverzijo akumulirane tlačne energije v mehansko energijo, še zlasti rotacijsko gibanje omenjenega pogonskega elementa.Accordingly, the term "hydraulic drive and guide disconnection of the flexible linear support element" is to be understood by means of the hydraulic medium to drive the drive assembly of the flexible linear support element defined above, in particular a cord, pulley or chain wheel, the term "hydraulic medium" including any fluid or a gaseous substance which is suitable for the conversion of accumulated pressure energy into mechanical energy, in particular the rotational motion of said drive element.

Izum se nanaša na hidravlični pogonski in vodilni sklop gibkega linijskega nosilnega elementa, obsegajoč vsaj en okoli prednostno vsaj približno horizontalne geometrijske osi s pomočjo hidravličnega motorja vrtljiv pogonski element, kije s pomočjo ležajev ali drugih ustreznih ležišč uležiščen v notranjosti ustreznega okrova.The invention relates to a hydraulic drive and guide assembly of a flexible linear support element, comprising at least one, preferably at least approximately horizontal, geometric axes, by means of a hydraulic motor, a rotary drive element which is supported by means of bearings or other suitable bearings within the corresponding housing.

Po izumu je omenjen v notranjosti okrova razporejen pogonski element gibkega linijskega nosilnega elementa z zmožnostjo prenosa vrtilnega momenta pričvrščen na v notranjost okrova segajoč in v slednjem uležajen rotacijski del hidravličnega motorja, ki je s svojim stacionarnim delom togo povezan z omenjenim okrovom oziroma omenjen stacionarni del motorja po izbiri lahko predstavlja integralni del okrova.According to the invention, there is a drive element of a flexible linear support element arranged inside the housing, capable of transmitting torque to a rotating part of the hydraulic motor extending to the inside of the housing, which is rigidly connected to said housing by the stationary part or said stationary part of the engine. it may optionally be an integral part of the housing.

Pri prednostni izvedbi izuma je v okrov v osni smeri segajoč in z izven okrova segajočima hidravličnima priključkoma opremljen stacionarni del hidravličnega motorja v notranjosti okrova obdan z rotacijski delom hidravličnega motorja, kije s pomočjo ležajev uležajen v notranjosti okrova in na katerega obodu je pričvrščen pogonski element. Pri tem je rotacijski del hidravličnega motorja v okrovu prednostno uležajen s pomočjo vsaj dveh med seboj v osni smeri razmaknjenih ležajev, pogonski element pa je na rotacijskem delu motorja razporejen med dvema ležajema. Pogonski element je izbran iz skupine, ki jo tvorijo vrvenice, jermenice in verižna kolesa.In a preferred embodiment of the invention, the stationary part of the hydraulic motor in the axial direction extending and extending beyond the housing is provided with a stationary part of the hydraulic motor surrounded by a rotary part of the hydraulic motor, which is supported by bearings inside the housing and to which the drive element is attached. Preferably, the rotating part of the hydraulic motor in the housing is supported by at least two axially spaced bearings in the axial direction, and the drive element is arranged between the two bearings on the rotary part of the engine. The drive element is selected from the group consisting of pulleys, pulleys and chain wheels.

Pri najbolj prednostni aplikaciji izuma na področju gozdarskih vitlov je celoten okrov sklopa po izumu vključno s pogonskim delom in deli hidravličnega motorja prirejen za okoli vertikalne osi zasukljivo pričvrstitev na okrov gozdarskega vitla.In the most preferred application of the invention in the field of forestry winches, the entire casing of the assembly according to the invention, including the drive part and parts of the hydraulic motor, is adapted to be rotatably attached to the casing of the forestry winch around the vertical axis.

Izum bo v nadaljevanju podrobneje obrazložen na osnovi primera izvedbe, ki je ponazorjen na priloženi skici, kjerThe invention will now be explained in more detail on the basis of the embodiment illustrated in the accompanying drawing, where

Sl. 1 kaže v narisu ponazorjen hidravlični pogonski in vodilni sklop gibkega linijskega nosilnega elementa, konkretno vrvenico pri gozdarskem vitlu;FIG. 1 shows a hydraulic drive and guide assembly of a flexible linear support element, a concrete rope in a forestry winch, in the outline;

Sl. 2 pa prerez v ravnini II - II po Sl. 1.FIG. 2 is a cross section in plane II - II according to FIG. 1.

Navzlic številnim in raznovrstnim možnim konkretnim izvedbam pričujočega izuma je slednji obrazložen izključno na primeru konkretne aplikacije na področju pogonskih vrvenic pri gozdarskih vitlih.In view of the numerous and varied possible concrete embodiments of the present invention, the latter is explained solely in the case of a concrete application in the field of power lines in forestry winches.

V konkretnem primeru je vrvenica kot pogonski element 1 sklopa za pogon in vodenje gibkega linijskega nosilnega elementa, v prikazanem primeru tudi s pomožnim vodilnim elementom 6 vodene jeklene vrvi 5 (Sl. 2), z možnostjo rotacije okoli svoje vsaj približno horizontalne geometrijske osi 10 vgrajena v okrovu 2, ki je z možnostjo zasuka okoli vertikalne osi 20 pričvrščen na okrovu gozdarskega vitla, ki na skici ni prikazan.In the present case, the rope as a driving element 1 of the drive and control assembly of the flexible linear support element, in this case also the auxiliary guide element 6 of the guided steel rope 5 (Fig. 2), with the possibility of rotation about its at least approximately horizontal geometric axis 10 in box 2, which can be rotated about the vertical axis 20 to be mounted on the frame of the winch not shown in the drawing.

Po izumu je v omenjenem okrovu 2 vgrajen hidravlični motor 3 s hidravličnima priključkoma 30, 30, in sicer na tak način, da je njegov osrednje razporejen stacionarni del 31 po eni strani togo povezan z omenjenim okrovom 2 in po drugi strani obdan z rotirajočim, s pomočjo hidravličnega medija gnanim pogonskim delom 32, ki je s pomočjo ležajev 41, 42 uležajen v okrovu 2. Vsakokraten pogonski element 1 je nameščen na obodu omenjenega rotacijskega dela 32 hidravličnega motorja 3 in je z njim smiselno togo povezan vsaj na tak način, daje zmožen prenašati vrtilni moment oz. da je preprečeno relativno gibanje med rotacijskim delom 32 motorja 3 in pogonskim elementom 1 v obodni smeri.According to the invention, a hydraulic motor 3 with hydraulic connectors 30, 30 is mounted in said housing 2 in such a way that its centrally located stationary part 31 is rigidly connected to said housing 2 on the one hand and surrounded by a rotating device on the other. by means of a hydraulic medium driven drive portion 32 which is housed in the housing by means of bearings 41, 42. The respective drive element 1 is mounted on the circumference of said rotary portion 32 of the hydraulic motor 3 and is rigidly connected thereto at least in such a way that it is capable of to transmit torque or. that relative movement between the rotating portion 32 of the motor 3 and the drive element 1 in the circumferential direction is prevented.

Ko priključka 30', 30 povežemo v hidravlični tokokrog in je hidravlični medij pod tlakom, se pogonski del 32 hidravličnega motorja 3 skupaj z na sebi nameščenim pogonskim elementom 1 zahvaljujoč ležajema 41, 42 v okrovu 2 vrti okoli osi 10. Za razliko od prej znanih tovrstnih naprav, pri katerih je pogonski element 1 nameščen na gredi, ki je soosno povezana z rotirajočim delom 32 na okrov 2 pričvrščenega hidravličnega motorja 3, je v tem primeru hidravlični motor 3 vgrajen v samem okrovu 2, pogonski element 1 pa je pričvrščen na rotirajoč pogonski del 32 samega hidravličnega motorja 3, tako da je širina celotnega sklopa, namreč okrova 2 z vgrajenim pogonskim elementom 1 in hidravličnim motorjem 3, nedvomno lahko v znatni meri reducirana.When the connectors 30 ', 30 are connected to the hydraulic circuit and the hydraulic medium is pressurized, the drive portion 32 of the hydraulic motor 3, together with the drive element 1 mounted on it, rotates about the axis 10 thanks to the bearings 41, 42 in the housing 2. such devices in which the drive element 1 is mounted on a shaft coaxially connected to the rotating part 32 of the housing 2 of the attached hydraulic motor 3, in which case the hydraulic motor 3 is mounted in the housing itself 2 and the drive element 1 is attached to the rotating the drive part 32 of the hydraulic motor 3 itself, so that the width of the whole assembly, namely the housing 2 with the drive element 1 and the hydraulic motor 3, can undoubtedly be substantially reduced.

Claims

PATENT APPLICATIONS

CLAIMS 1. A hydraulic drive and guide assembly of a flexible linear support element, comprising around a geometric axis (10), by means of a hydraulic motor (3), a rotary drive element (1) which is mounted in the region of the bearings (41, 42) or similar bearings housing (2), characterized in that the drive element (1) is capable of transmitting torque to the rotating part (32) of the hydraulic motor (3) which extends into the housing (2) and which is stationary therewith. part (31) rigidly connected to said housing (2).

Hydraulic drive and steering assembly according to claim 1, characterized in that the stationary part (31) of the hydraulic motor (3) is an integral part of the housing (2)

Hydraulic drive and steering assembly according to claim 1 or 2, characterized in that a stationary part (31) is provided in the axial direction extending in the axial direction and extending outwards (2) by hydraulic connectors (30 ', 20). the hydraulic motor inside the enclosure (2) is surrounded by a rotary part (32) of the hydraulic motor (3) which is mounted in the enclosure (2) by means of bearings (41, 42) and to which a drive element (1) is attached to the circumference.

Hydraulic drive and steering assembly (1) according to claim 3, characterized in that the rotary part (32) of the hydraulic motor (3) is housed in the housing (2) by means of at least two axially spaced bearings (41). 42) and the drive element (1) is arranged between two bearings (41, 42) on the rotary part (32).

Hydraulic drive and steering assembly according to one of the preceding claims, characterized in that the drive element (1) is selected from the group consisting of ropes, pulleys and chain wheels.

Hydraulic drive and steering assembly according to one of the preceding claims, characterized in that the entire housing (2) including the drive part (1) and the hydraulic motor (3) parts (31, 32; 30 ', 30) are adapted for the eye vertical axis (20) swivel attachment to the winch winch housing.