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Application filed by Tajfun Liv, Proizvodnja In Razvoj D.O.O.filedCriticalTajfun Liv, Proizvodnja In Razvoj D.O.O.
Priority to SI201600266ApriorityCriticalpatent/SI25285B/en
Priority to ES17829057Tprioritypatent/ES2905851T3/en
Priority to PT178290573Tprioritypatent/PT3532424T/en
Priority to EP17829057.3Aprioritypatent/EP3532424B1/en
Priority to PL17829057Tprioritypatent/PL3532424T3/en
Priority to PCT/SI2017/000028prioritypatent/WO2018080403A1/en
Priority to HRP20220306TTprioritypatent/HRP20220306T1/en
Priority to RS20220253Aprioritypatent/RS63016B1/en
Publication of SI25285ApublicationCriticalpatent/SI25285A/en
Publication of SI25285BpublicationCriticalpatent/SI25285B/en
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
B66C23/545—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors with arrangements for avoiding dead centre problems during cylinder motion
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
B66C23/62—Constructional features or details
B66C23/64—Jibs
B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
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Engineering & Computer Science
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Mechanical Engineering
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Jib Cranes
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Tumbler Switches
(AREA)
Abstract
Predmet izuma je zložljivi žerjav, ki vključuje vrtljivi stolp (12), na katerega je preko točke vpetja (13) vrtljivo vpeta dvižna roka (1), zgibno roko (2), v kateri je lahko nameščena teleskopsko iztegljiva roka (11), pri čemer sta dvižna roka (1) in zgibna roka (3) med sabo na znane načine vrtljivo povezani preko točke vpetja (3), batni hidravlični cilinder (4), ki deluje med dvižno roko (1) in zgibno roko (2), in vzvodni sistem, ki je sestavljen iz prvega vzvodnega elementa (5), ki ima dva konca (5a,5b) in drugega vzvodnega elementa (6), ki ima dva konca (6a, 6b). Prvi vzvodni element (5) in drugi vzvodni element (6) sta med sabo preko svojih prvih koncev (5a) in (6a) na znane načine vrtljivo povezana preko točke vpetja (9). Batni hidravlični cilinder (4) je s svojim koncem (4b) vrtljivo povezan v točko vpetja (9), s svojim koncem (4a) je na znane načine vrtljivo povezan z dvižno roko (1) preko točke vpetja (7). Prvi vzvodni element (5) je s svojim koncem (5b) na znane načine vrtljivo povezan z dvižnoroko (1) preko točke vpetja (8). Drugi vzvodni element (6) je s svojim koncem (6b) na znane načine vrtljivo povezan z zgibno roko (2) preko točke vpetja (10).The subject of the invention is a collapsible crane that includes a rotating tower (12) to which a lifting arm (1) is rotatably mounted via a mounting point (13), a hinged arm (2) in which a telescopically extendable arm (11) can be placed, at whereby the lifting arm (1) and the hinged arm (3) are rotatably connected to each other in known ways via the attachment point (3), the piston hydraulic cylinder (4) which operates between the lifting arm (1) and the hinged arm (2), and a lever system consisting of a first lever element (5) having two ends (5a, 5b) and a second lever element (6) having two ends (6a, 6b). The first lever element (5) and the second lever element (6) are rotatably connected to each other via their first ends (5a) and (6a) via the attachment point (9) in known ways. The piston hydraulic cylinder (4) is rotatably connected with its end (4b) to the attachment point (9), and its end (4a) is rotatably connected to the lifting arm (1) via the attachment point (7) in known ways. The first lever element (5) is rotatably connected with its end (5b) to the lifting arm (1) via the attachment point (8) in known ways. The second lever element (6) is rotatably connected with its end (6b) to the articulated arm (2) via the attachment point (10) in known ways.
Claims (4)
Zložljivi žerjavFolding craneSpremenjeni patentni zahtevkiAmended patent claimsi. Zložljivi žerjav, prednostno kamionski žerjav, ki vključuje vrtljivi stolp (12), na katerega je preko točke vpetja (13) vrtljivo vpeta dvižna roka (1), ter dvižno (1) in zgibno roko (2), ki sta med sabo vrtljivo povezani preko točke vpetja (3) in hidravlični sistem, ki deluje med dvižno roko (1) in zgibno roko (2) in ki vsebuje vsaj en batni hidravlični cilinder (4), ki je vpet bočno glede na dvižno (1) in zgibno roko (2), označen s tem, da omenjeni žerjav dodatno vključuje vzvodni sistem, ki pripada vsakemu izmed dveh batnih hidravličnih cilindrov (4), namreč cilindrov (4), ki sta pozicionirana simetrično glede na vzdolžno simetralo dvižne (1) in zgibne roke (2) in bočno glede na dvižno (1) in zgibno roko (2) ob vsaki strani žerjava, pri čemer vsak batni hidravličen cilinder (4) vključuje pripadajoč vzvodni sistem in sta vzvodna sistema med sabo povezana s povezovalnim elementom (14) preko vrtljivega vpetja (9), ki povezuje oba vzvodna elementa z batnim hidravličnim cilindrom (4), pri čemer je vsak vzvodni sistem sestavljen iz prvega vzvodnega elementa (5), ki ima dva konca (sa, sb) in drugega vzvodnega elementa (6), ki ima dva konca (6a, 6b) in sta prvi vzvodni element (5) in drugi vzvodni element (6) med sabo preko svojih prvih koncev (53) in (6a) vrtljivo povezana preko točke vpetja (9) in je prvi vzvodni element (5) s svojim koncem (sb) vrtljivo povezan z dvižno roko (1) preko točke vpetja (8) in je drugi vzvodni element (6) s svojim koncem (6b) vrtljivo povezan z zgibno roko (2) preko točke vpetja (10) in je batni hidravlični cilinder (4) z enim koncem vrtljivo povezan v točki vpetja (9) s koncema (sa, 6a) prvega (5) in drugega vzvodnega elementa (6), z drugim koncem pa je batni cilinder (4) vrtljivo povezan z dvižno roko (1) preko točke vpetja (7) in je zgibna roka (2) centralno vpeta na dvižno roko (1), in pri čemer je dolžina prvega vzvodnega elementa (5) daljša od dolžine drugega vzvodnega elementa (6), in se točka vpetja (9), ki povezuje oba vzvodna elementa z batnim hidravličnim cilindrom (4), nahaja pod točko vpetja (10) konca (6b) drugega vzvodnega elementa (6) z zgibno roko (2), ko je žerjav v delovnem položaju, in se točka vpetja (9) nahaja nad točko vpetja (10), ko je žerjav v zloženem položaju, in pri čemer je razdalja (x) med točko vpetja (3) dvižne roke (1) z zgibno roko (2) in točko vpetja (7) konca (43) hidravličnega batnega cilindra (4) z dvižno roko (1) večja od razdalje (y) med točko vpetja (3) dvižne roke (1) z zgibno roko (2) in točko vpetja (10) konca (6b) drugega vzvodnega elementa (6) z zgibno roko (2), in je razdalja (z) med točko vpetja (3) dvižne roke (1) z zgibno roko (2) in točko vpetja (8) konca (sb) prvega vzvodnega elementa (5) z dvižno roko (1) manjša od razdalje (x) in manjša od razdalje (y).i. A folding crane, preferably a truck crane, which includes a rotating tower (12) to which a lifting arm (1) is rotatably attached via a mounting point (13), and a lifting arm (1) and an articulated arm (2) which are rotatably connected to each other via the attachment point (3) and the hydraulic system that operates between the lifting arm (1) and the articulated arm (2) and which contains at least one piston hydraulic cylinder (4) which is clamped laterally with respect to the lifting arm (1) and the articulated arm ( 2), characterized by the fact that the mentioned crane additionally includes a lever system belonging to each of the two piston hydraulic cylinders (4), namely the cylinders (4) which are positioned symmetrically with respect to the longitudinal bisector of the lifting arm (1) and the articulated arm (2) ) and laterally with respect to the lifting (1) and articulated arm (2) on each side of the crane, each piston hydraulic cylinder (4) includes a corresponding lever system and the two lever systems are connected to each other by a connecting element (14) via a rotary coupling ( 9), which connects the two lever elements with the piston hydraulic cylinder (4), at wherein each lever system consists of a first lever element (5) having two ends (sa, sb) and a second lever element (6) having two ends (6a, 6b) and the first lever element (5) and the second the lever element (6) is rotatably connected to each other via its first ends (53) and (6a) via the attachment point (9) and the first lever element (5) with its end (sb) is rotatably connected to the lifting arm (1) via the point engagement (8) and the second lever element (6) with its end (6b) is rotatably connected to the articulated arm (2) via the engagement point (10) and the piston hydraulic cylinder (4) is rotatably connected to one end at the engagement point (9) ) with the ends (sa, 6a) of the first (5) and the second lever element (6), and with the second end, the piston cylinder (4) is rotatably connected to the lifting arm (1) via the attachment point (7) and is the articulated arm (2) ) centrally mounted on the lifting arm (1), and wherein the length of the first lever element (5) is longer than the length of the second lever element (6), and the attachment point (9) connecting both lever elements nta with piston hydraulic cylinder (4), is located below the point of attachment (10) of the end (6b) of the second lever element (6) with the articulated arm (2) when the crane is in the working position, and the point of attachment (9) is located above the point of attachment (10) when the crane is in folded position, and where the distance (x) between the attachment point (3) of the lifting arm (1) with the articulated arm (2) and the attachment point (7) of the end (43) of the hydraulic piston cylinder (4) with the lifting arm (1) greater than the distance (y) between the attachment point (3) of the lifting arm (1) with the articulated arm (2) and the attachment point (10) of the end (6b) of the second lever element (6) with the articulated arm (2), and is the distance (z) between the attachment point (3) of the lifting arm (1) with the articulated arm (2) and the attachment point (8) of the end (sb) of the first lever element (5) with the lifting arm (1) less than distance (x) and less than distance (y).2. Zložljivi žerjav po zahtevku 1, označen s tem, da je dolžina prvega vzvodnega elementa (5) dvakrat daljša od dolžine drugega vzvodnega elementa (6).2. Folding crane according to claim 1, characterized in that the length of the first lever element (5) is twice as long as the length of the second lever element (6).3. Zložljivi žerjav po zahtevku 1, označen s tem, da je dolžina prvega vzvodnega elementa (5) vsaj trikrat daljša od dolžine drugega vzvodnega elementa (6).3. Folding crane according to claim 1, characterized in that the length of the first lever element (5) is at least three times longer than the length of the second lever element (6).4· Zložljivi žerjav po katerem koli od zahtevkov i do 3, označen s tem, da se zgibna roka (2) zloži nad dvižno roko (1) in ima žerjav v zloženem položaju obliko črke Z.4· Folding crane according to any one of claims i to 3, characterized in that the hinged arm (2) folds over the lifting arm (1) and the crane has the shape of the letter Z in the folded position.