{"id":14241,"date":"2026-08-09T13:51:24","date_gmt":"2026-08-09T13:51:24","guid":{"rendered":"https:\/\/hydraflu.com\/?p=14241"},"modified":"2026-10-12T02:39:03","modified_gmt":"2026-10-12T02:39:03","slug":"understanding-the-hydraulic-lift-and-its-function","status":"publish","type":"post","link":"https:\/\/hydraflu.com\/it\/comprendere-lascensore-idraulico-e-la-sua-funzione\/","title":{"rendered":"Comprensione dell&#039;ascensore idraulico e della sua funzione"},"content":{"rendered":"<h1><\/h1>\n<p><span style=\"font-weight: 400;\">Un ascensore idraulico \u00e8 un dispositivo che si basa su uno o pi\u00f9 pistoni pressurizzati per sollevare un carico pesante in aria. Gli ascensori idraulici sono utilizzati nella maggior parte dei settori oggi e semplificano il sollevamento di carichi pesanti. Sono ci\u00f2 che consente il funzionamento di ascensori per auto, gru e altre fantastiche attrezzature.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Cos&#039;\u00e8 un ascensore idraulico?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Un ascensore idraulico \u00e8 un dispositivo specializzato con uno o pi\u00f9 cilindri che si basano sulla pressione del fluido per salire in altezza. Un meccanismo di compressione viene utilizzato per aumentare la pressione all&#039;interno di ciascun cilindro di sollevamento e la pressione fa s\u00ec che il cilindro si espanda.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">In genere, i cilindri si espandono verso l&#039;alto creando un sollevamento verticale, ma nel caso di un sollevatore a forbice i cilindri si espandono con un angolo di 45 gradi per creare la potenza di sollevamento del dispositivo.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Perch\u00e9 gli ascensori idraulici sono cos\u00ec utilizzati in numerose applicazioni?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Gli ascensori idraulici sono oggi utilizzati nella maggior parte dei settori industriali perch\u00e9 facilitano il sollevamento di carichi pesanti in modo lento e controllato. Con un ascensore idraulico progettato correttamente, \u00e8 possibile sollevare migliaia di chili in un&#039;area con calma e in sicurezza.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">L&#039;ascensore abbassa i carichi a terra con la stessa facilit\u00e0, rilasciando lentamente la pressione accumulata. Anche gli ascensori idraulici sono compatti, consentendo di ottenere forze di sollevamento impressionanti in uno spazio ristretto.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Come funziona un sollevatore idraulico?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Gli ascensori idraulici funzionano in base alla legge di Pascal, immagazzinando lavoro meccanico da utilizzare come forza di sollevamento. Quando si applica pressione a un fluido che non pu\u00f2 essere compresso, il fluido viene pressurizzato uniformemente in tutte le aree. Gli ascensori sfruttano questa legge creando un cilindro stretto per generare pressione e un cilindro largo per applicarla.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-14243\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/lift-1.jpg\" alt=\"sollevatore idraulico-1\" width=\"282\" height=\"161\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Osservando il diagramma sopra, \u00e8 facile vedere come un cilindro stretto venga utilizzato per generare pressione e un cilindro largo per rilasciarla. Gli ascensori idraulici utilizzano un tubo stretto per generare pressione perch\u00e9 un tubo stretto \u00e8 pi\u00f9 facile da comprimere, richiedendo attrezzature meno robuste per generare pressione. Questa pressione generata viene indirizzata lungo il percorso delle frecce, dove scorre attraverso valvole unidirezionali. Man mano che il cilindro stretto viene pompato, il livello di pressione aumenta sul lato del cilindro grande, creando un&#039;enorme quantit\u00e0 di pressione in grado di sollevare veicoli o persino oggetti molto pi\u00f9 pesanti.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Diversi tipi di ascensori idraulici<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Sebbene i principi alla base degli ascensori idraulici siano tutti gli stessi, oggigiorno vengono utilizzate diverse forme di ascensori. Comprendere alcuni dei diversi tipi pu\u00f2 aiutarti a scegliere un&#039;opzione per le tue esigenze.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span style=\"font-weight: 400;\">Piattaforma elevatrice a forbice<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Un elevatore a forbice utilizza uno o pi\u00f9 cilindri idraulici, una base robusta, una piattaforma di sollevamento e pi\u00f9 bracci a forbice. I cilindri creano la forza di sollevamento per sollevare la piattaforma di sollevamento verticalmente e i bracci a forbice assicurano che la forza di sollevamento venga applicata in modo uniforme per una piattaforma robusta.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Sollevatore a colonna singola<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">I sollevatori a colonna singola sono utilizzati in numerose applicazioni in molti settori diversi. Utilizzano un singolo cilindro per sollevare in una direzione, solitamente in verticale. I sollevatori a colonna singola sono compatti e possono comunque essere utilizzati per applicare migliaia di libbre di pressione.\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-14244\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/lift-3.jpg\" alt=\"sollevamento idraulico-3\" width=\"218\" height=\"219\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/lift-3.jpg 571w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/lift-3-150x150.jpg 150w\" sizes=\"auto, (max-width: 218px) 100vw, 218px\" \/><\/p>\n<h3><span style=\"font-weight: 400;\">Sollevatore a due o quattro colonne<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">La maggior parte degli ascensori idraulici si basa su cilindri idraulici e compressori orientati verticalmente per sollevare e abbassare carichi pesanti. Un ascensore a due colonne si basa su due cilindri, mentre un ascensore a quattro colonne ne usa quattro per sollevare una grande piattaforma. Ogni cilindro idraulico \u00e8 classificato per sollevare una quantit\u00e0 specifica di peso e diversi vengono utilizzati insieme per aumentare la potenza di sollevamento del dispositivo.\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-14245\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/lift-2.jpg\" alt=\"sollevatore idraulico-2\" width=\"485\" height=\"217\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Di seguito sono raffigurati sollevatori a due e quattro colonne. Un sollevatore a quattro colonne fornisce una forza di sollevamento pi\u00f9 stabile, ma un&#039;unit\u00e0 a due colonne \u00e8 pi\u00f9 compatta e fornisce comunque potenza sufficiente per sollevare la maggior parte dei veicoli.\u00a0<\/span><\/p>\n<h3>Ascensore idraulico<\/h3>\n<p><img data-dominant-color=\"8a8379\" data-has-transparency=\"false\" style=\"--dominant-color: #8a8379;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19540 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2026\/01\/Hydraulic-Elevator.avif\" alt=\"Ascensore idraulico\" width=\"500\" height=\"500\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2026\/01\/Hydraulic-Elevator.avif 500w, https:\/\/hydraflu.com\/wp-content\/uploads\/2026\/01\/Hydraulic-Elevator-150x150.avif 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2026\/01\/Hydraulic-Elevator-12x12.avif 12w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>A hydraulic elevator moves a passenger car or goods platform between floors. A cylinder pushes the car up. To go down, a valve block lets oil flow back to the tank at a controlled speed. The power unit needs no machine room above the shaft, so it fits in a narrow hoistway, a small cabinet or under the stairs. That is why hydraulic elevators are common in homes, villas and low-rise buildings.<br \/>\nThree parts of the power unit shape how the elevator rides:<br \/>\n<strong>\u2022 Pump:<\/strong> It sets the noise level. Vane pumps run at about 55 dB(A) at 1 m. Helical rotor pumps run at about 50 dB(A) and suit most home elevators. Triple-screw pumps run at about 43 dB(A) with near-zero oil pulsation, for projects that need a very quiet ride.<\/p>\n<p><img data-dominant-color=\"d8d8da\" data-has-transparency=\"false\" style=\"--dominant-color: #d8d8da;\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-20196 alignright not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/HELICAL-ROTOR-PUMP-1.avif\" alt=\"HELICAL ROTOR PUMP\" width=\"276\" height=\"276\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/HELICAL-ROTOR-PUMP-1.avif 500w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/HELICAL-ROTOR-PUMP-1-150x150.avif 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/HELICAL-ROTOR-PUMP-1-12x12.avif 12w\" sizes=\"auto, (max-width: 276px) 100vw, 276px\" \/><\/p>\n<p><img data-dominant-color=\"e6e6e7\" data-has-transparency=\"false\" style=\"--dominant-color: #e6e6e7;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20197 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/TRIPLE-SCREW-PUMP-1.avif\" alt=\"TRIPLE SCREW PUMP\" width=\"271\" height=\"271\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/TRIPLE-SCREW-PUMP-1.avif 500w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/TRIPLE-SCREW-PUMP-1-150x150.avif 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/TRIPLE-SCREW-PUMP-1-12x12.avif 12w\" sizes=\"auto, (max-width: 271px) 100vw, 271px\" \/><\/p>\n<p><strong>\u2022 Valve block:<\/strong> It controls acceleration, travel speed, slowdown and leveling. VFD-controlled blocks reach 0.23\u20130.32 m\/s. Valve-controlled blocks reach 0.35 m\/s without a VFD. A proportional valve gives stepless speed and leveling within \u00b12 mm, compared with \u00b110 mm for stepped control.<\/p>\n<p><img data-dominant-color=\"e1e0e2\" data-has-transparency=\"false\" style=\"--dominant-color: #e1e0e2;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20198 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/Double-Speed-Buffer-type-Four-Valve.avif\" alt=\"Hydraulic elevator EV100 replacement\" width=\"346\" height=\"346\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/Double-Speed-Buffer-type-Four-Valve.avif 500w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/Double-Speed-Buffer-type-Four-Valve-150x150.avif 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/Double-Speed-Buffer-type-Four-Valve-12x12.avif 12w\" sizes=\"auto, (max-width: 346px) 100vw, 346px\" \/><img data-dominant-color=\"f4f4f4\" data-has-transparency=\"false\" loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20199 not-transparent\" style=\"--dominant-color: #f4f4f4; font-weight: inherit;\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/Diagram-of-90.avif\" alt=\"Diagram of 90\" width=\"346\" height=\"346\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/Diagram-of-90.avif 500w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/Diagram-of-90-150x150.avif 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/Diagram-of-90-12x12.avif 12w\" sizes=\"auto, (max-width: 346px) 100vw, 346px\" \/><\/p>\n<p><strong>\u2022 Safety valves:<\/strong> A pressure-retaining valve stops the car from creeping down when parked. A rupture valve cuts off oil flow if a hose bursts, for systems built to EN 81-20:2020. A hand pump and manual descent valve let you move the car during a power failure.<br \/>\nSee our hydraulic power pack range or download the product catalogue for elevator power unit specs.<\/p>\n<p><img data-dominant-color=\"d6d7db\" data-has-transparency=\"false\" style=\"--dominant-color: #d6d7db;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20200 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/RUPTURE-VALVE-2.avif\" alt=\"RUPTURE VALVE\" width=\"318\" height=\"318\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/RUPTURE-VALVE-2.avif 500w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/RUPTURE-VALVE-2-150x150.avif 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2024\/11\/RUPTURE-VALVE-2-12x12.avif 12w\" sizes=\"auto, (max-width: 318px) 100vw, 318px\" \/><\/p>\n<h2><span style=\"font-weight: 400;\">Pratiche di manutenzione adeguate<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Per garantire che un sollevatore idraulico continui a funzionare correttamente, deve essere sottoposto a manutenzione attenta. Il processo di manutenzione inizia mantenendo un livello adeguato di fluido idraulico e sostituendo il vecchio olio idraulico con olio nuovo. Un tecnico dovrebbe verificare regolarmente che i livelli di fluido idraulico siano sufficientemente alti per prestazioni adeguate. Se il livello \u00e8 troppo basso, \u00e8 possibile aggiungere altro fluido.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nel tempo, il fluido idraulico o l&#039;olio idraulico si degradano. Quando il fluido si degrada, non si comprime e non si solleva bene e non lubrifica i componenti interni in modo efficace. Ci\u00f2 comporta prestazioni improprie e danni finali al sistema.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Per combattere questo problema, il fluido idraulico deve essere sostituito periodicamente. Il ciclo di sostituzione si basa sul tipo di ascensore e sul fluido utilizzato, e un tecnico esperto dovrebbe sapere con quale frequenza sostituire il fluido.\u00a0<\/span><\/p>\n<p>For hydraulic elevators, match the oil to the room temperature. Our elevator valve blocks call for ISO VG 32 (L-HM) at 0\u201330 \u00b0C and ISO VG 46 (L-HM) at 35\u201350 \u00b0C. Below 0 \u00b0C, add an oil heater or switch to a low-temperature oil. Triple-screw pumps need clean, high-grade oil, so keep filters and oil changes on schedule.<\/p>\n<h2><span style=\"font-weight: 400;\">Selezione del tipo di sollevatore idraulico appropriato<\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Quando si sceglie un sollevatore idraulico per la propria applicazione, \u00e8 necessario considerare il peso da sollevare, la distanza del sollevatore e lo spazio libero disponibile per l&#039;utilizzo prescelto. \u00c8 inoltre essenziale considerare il budget a disposizione per il sollevatore. Tutti questi dettagli aiutano a determinare quale sollevatore sia la soluzione giusta per la propria applicazione.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">L&#039;aspetto pi\u00f9 importante da considerare \u00e8 il peso da gestire: per motivi di sicurezza, il sollevamento deve sempre superare di un margine adeguato i requisiti di peso complessivi.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Rivolgiti a un professionista per aiutarti a determinare quanto spazio libero hai per il tuo sollevatore idraulico. Scegli un&#039;unit\u00e0 che si adatti allo spazio disponibile, incluso il motore o il compressore in dotazione con il sistema.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Il sollevatore scelto deve anche fornire la distanza di sollevamento richiesta dalla tua applicazione. Devi considerare il sollevamento massimo dell&#039;unit\u00e0 e determinare se il tipo di sollevatore idraulico scelto funzioner\u00e0 per il tuo caso d&#039;uso.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u00c8 fondamentale considerare tutti questi elementi e molto altro ancora quando si sceglie un sollevatore idraulico per la propria applicazione aziendale. Affidatevi a un professionista che vi aiuter\u00e0 a decidere quale sollevatore sia la scelta giusta e a scegliere il tipo di sollevatore pi\u00f9 adatto.\u00a0<\/span><\/p>\n<p>For a hydraulic elevator, also check travel speed, rated load and your power supply. Single-phase motors go up to 3 kW. Larger units need three-phase power. Send us your load, speed, travel height and voltage, and we can match the power unit, valve block and cylinder.<\/p>\n<h2><span style=\"font-weight: 400;\">Conclusione<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Un sollevatore idraulico \u00e8 un macchinario di grande impatto, essenziale per qualsiasi attivit\u00e0 che debba sollevare regolarmente oggetti pesanti. Imparando a comprenderne la tecnologia, imparerai come sfruttare al meglio i sollevatori idraulici, come scegliere il sollevatore giusto per la tua applicazione e come mantenerlo efficiente per molti anni.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<div class=\"simg-pop-btn\" style=\"position: fixed; top: 3570.73px; left: 248px; display: flex;\" data-hover=\"0\"><\/div>","protected":false},"excerpt":{"rendered":"<p>A hydraulic lift is a device that relies on one or more pressurized pistons to raise a heavy load into the air. Hydraulic lifts are [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14241","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Understanding the Hydraulic Lift and its Function<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hydraflu.com\/it\/comprendere-lascensore-idraulico-e-la-sua-funzione\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding the Hydraulic Lift and its Function\" \/>\n<meta property=\"og:description\" content=\"A hydraulic lift is a device that relies on one or more pressurized pistons to raise a heavy load into the air. 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