CS239186B1 - Apparatus for driving a construction machine located on a reversible top of an automobile chassis - Google Patents

Apparatus for driving a construction machine located on a reversible top of an automobile chassis Download PDF

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Publication number
CS239186B1
CS239186B1 CS84322A CS32284A CS239186B1 CS 239186 B1 CS239186 B1 CS 239186B1 CS 84322 A CS84322 A CS 84322A CS 32284 A CS32284 A CS 32284A CS 239186 B1 CS239186 B1 CS 239186B1
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CS
Czechoslovakia
Prior art keywords
distributor
hydraulic
chassis
construction machine
driving
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Application number
CS84322A
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Czech (cs)
Slovak (sk)
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CS32284A1 (en
Inventor
Ivan Gargulak
Milan Halamek
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Ivan Gargulak
Milan Halamek
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Publication date
Application filed by Ivan Gargulak, Milan Halamek filed Critical Ivan Gargulak
Priority to CS84322A priority Critical patent/CS239186B1/en
Publication of CS32284A1 publication Critical patent/CS32284A1/en
Publication of CS239186B1 publication Critical patent/CS239186B1/en

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Abstract

Zariadenie k pohonu stavebného stroja umiestneného na otočnom zvršku automobilového podvozku rieši problém zjednotenia pohonov pracovných strojov, pri súčasnom zaistení zjednodušenia přenosu hydraulickej energie z podvozku na otočný zvršok. Podstata vynálezu spočívá v tom, že hydrogenerátor poháňaný spalovacím motorom automobilu je zapojený cez otvorený prvý rozvádzač, jednosměrný ventil a otočný prevádzač hydraulickej kvapaliny na hydromotor, ktorý cez pre-vod poháňa jednotlivé hydrogenerátory na otočnom zvršku. Druhý rozvádzač, paralelné zapojený k prvému je vtedy uzavretý. Pri otvorenom druhom rozvádzači a z-atvorenom prvom, može hydrogenerátor poháňať pomocné zariadenie na podvozku, například stabilizačně priam-očiare hydromotory. Výhodou vynálezu je odstránenie duplicitného spalovacieho motora na otočnom zvršku, pri súčasnom zjednodušení přenosu hydraulickej energie, čo spolu vedie k zníženiu nákladov a k úspoře paliva.The device for driving a construction machine located on the rotating upper part of an automobile chassis solves the problem of unifying the drives of working machines, while simultaneously ensuring the simplification of the transmission of hydraulic energy from the chassis to the rotating upper part. The essence of the invention lies in the fact that a hydrogenerator driven by a combustion engine of a car is connected via an open first distributor, a one-way valve and a rotary converter of hydraulic fluid to a hydraulic motor, which drives individual hydrogenerators on the rotating upper part through a transmission. The second distributor, connected in parallel to the first, is then closed. With the second distributor open and the first one open, the hydrogenerator can drive auxiliary equipment on the chassis, for example, stabilizing direct-eye hydraulic motors. The advantage of the invention is the elimination of a duplicate combustion engine on the rotating upper part, while simultaneously simplifying the transmission of hydraulic energy, which together leads to a reduction in costs and fuel savings.

Description

Vynález sa týka zariadenia k pohonu stavebného stroja, umiestneného na otočnom zvršku automobilového podvozku. Je určený pre tie stavebné a iné stroje, ktoré sú montované na automobilovom podvozku a vlastné pracovné zariadenie sa na tomto podvozku otáča, ako je tomu u dokončovacích strojov, rýpadiel, vrtných súprav, atď.BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to an apparatus for driving a construction machine located on a reversible top of an automobile chassis. It is designed for those construction and other machines that are mounted on an automobile chassis and the actual work equipment rotates on this chassis, as is the case with finishing machines, excavators, drilling rigs, etc.

Doterajšie zariadenia používajú na pohon hydraulického systému bežne dva spaľovacie motory a to spaľovací motor automobilového podvozku pre po jázd a stabilizáciu rámu automobilového podvozku na pracovisku a ďalší spaľovací motor na otočnom zvršku pre pohon pracovného zariadenia stavebného stroja. Jednotný pohon, napríklad z automobilového podvozku nebol možný, pre zložité riešenie tzv. otočného prevádzača hydraulickej kvapaliny, ktorým sa prenáša prostredníctvom hydraulickej kvapaliny energia z pevného podvozku na otočný zvršok.Conventional devices commonly use two internal combustion engines to drive the hydraulic system, such as the automobile chassis combustion engine for driving and stabilizing the automotive chassis frame and another combustion engine on the revolving upper to drive the construction machine's equipment. Uniform drive, such as from a car chassis, was not possible, for the complex solution of the so-called rotary hydraulic fluid transducer, which transfers the power from the fixed chassis to the rotary upper by means of hydraulic fluid.

Tieto nedostatky odstraňuje zariadenie k pohonu stavebného stroja, umiestneného na otočnom zvršku automobilového podvozku, podľa vynálezu, ktorého podstata spočíva v tom, že k spaľovaciemu motoru je mechanicky pripojený hydrogenerátor, ktorý je jednak pripojený cez rozvádzač, jednosmerný ventil a otočný prevádzač na hydromo-tor umiestnený na otočnom zvršku, pričom hydromotor je mechanicky spojený cez prevod s hydrogenerátormi k pohonu jednotlivých funkcií stavebného stroja, jednak je hydrogenerátor spojený cez rozvádzač s pomocnými hydromotormi na automobilovom podvozku.These drawbacks are eliminated by the device for driving a construction machine located on the revolving top of an automobile chassis according to the invention, wherein the pump is mechanically connected to a hydro pump which is connected via a distributor, a non-return valve and a rotary converter to the hydraulic motor located on the rotating upper, wherein the hydraulic motor is mechanically coupled via a gear pump to drive the individual functions of the construction machine, on the other hand, the hydraulic pump is connected via a switchgear with auxiliary hydraulic motors on the automobile chassis.

Prednosti zariadenia podľa vynálezu sú v tom, že sa podstatne zjednoduší zložitý hydraulický prvok — otočný prevádzač hyd raulickej kvapaliny, ktorým preteká hydraulická kvapalina z pevného podvozku na otočný zvršok. Vysokotlaká časť otočného prevádzača pozostáva v tomto prípade len z dvoch kanálov, ktoré sa potom dajú tak nadimenzovať, že sú tlakové straty minimálne. Tým sa ušetrí energia prenášaná potrubím z hydrogenerátora na motor a podstatne sa zjednoduší celé zariadenie na pohon stavebného stroja na automobilovom podvozku.The advantages of the device according to the invention are that the complex hydraulic element - the rotary hydraulic fluid transducer - is substantially simplified by which the hydraulic fluid flows from the fixed chassis to the rotary upper. In this case, the high-pressure part of the rotary converter consists of only two channels, which can then be dimensioned so that the pressure losses are minimal. This saves the energy transferred by the pipeline from the pump to the engine and substantially simplifies the entire equipment for driving the construction machine on the chassis.

Na výkrese je schéma zariadenia k pohonu stavebného stroja umiestneného na otočnom zvršku automobilového podvozku. Spaľovací motor 1 automobilového podvozku 9 poháňa hydrogenerátor 2, ktorý je cez otvorený prvý rozvádzač 3 (pri zatvorenom druhom rozvádzači 11), jednosmerný ventil 4 a otočný prevádzač hydraulickej kvapaliny 5 napojený na hydromotor B, poháňajúci cez prevod 7 hydrogénerátory 8 na otočnom zvršku 10. Tieto hydrogenerátory zaisťujú pohyby vlastného pracovného zariadenia stavebného stroja. Pri uzavretom prvom rozvádzači 3 a otvorenom druhom rozvádzači 11 je reverzný hydrogenerátor 2 zapojený na pomocné zariadenie na automobilovom podvozku, napríklad na pomocné hydromotory 12, určené k ovládaniu stabilizačných podpier. Jednosmerný ventil 4 zaisťuje v každom prípade len jeden smer prietoku hydraulickej kvapaliny, pri pohone hydromotora na otočnom zvršku.In the drawing, there is a schematic diagram of an apparatus for driving a construction machine located on a reversible top of an automobile chassis. The engine 1 of the automobile bogie 9 drives the pump 2, which is through the open first distributor 3 (with the second distributor 11 closed), the non-return valve 4 and the rotary hydraulic fluid converter 5 connected to the hydraulic motor B, driving through the gear 7 the hydrogenators 8 on the rotating upper 10. These pumps provide for the movement of the machine's own working equipment. In the closed first distributor 3 and open by the second distributor 11, the reverse hydraulic pump 2 is connected to an auxiliary device on the automobile chassis, for example auxiliary hydraulic motors 12, designed to control the stabilizing supports. The non-return valve 4 provides in each case only one direction of flow of the hydraulic fluid, while the hydraulic motor is driven on the revolving upper.

Zariadenie je navrhnuté na maximálne zníženie strát v hydraulickom systéme, či už v spomínanom otočnom prevádzači hydraulickej kvapaliny, alebo pri vlastnom rozvode, či už po automobilovom podvozku, respektíve po otočnom zvršku.The device is designed to minimize losses in the hydraulic system, whether in the aforementioned rotary hydraulic fluid transporter, or in its own distribution system, either on the automobile chassis or on the reversible upper.

Claims (1)

PREDMETSUBJECT Zariadenie k pohonu stavebného stroja umiestneného na otočnom zvršku automobilového podvozku, vybaveného spalovacím motorom, vyznačujúce sa tým, že k spaldvaciemu motoru (1) je mechanicky připojený hydrogenerátor (2), ktorý je jednak připojený cez rozvádzač (3), jednosměrný ventil (4j a otočný prevádzač (5) na hydromoVYNÁLEZU tor (6), umieštnený na otočnom zvršku (10), pričom hydromotor (6) je mechanicky spojený cez převod (7) s hydrogenerátormi (8) k pohonu jednotlivých funkcií stavebného stroja a jednak je hydrogenerátor (2) spojený cez rozvádzač (11) s pomocnými hydromotormi (12) na automobilovom podvozku (9).Apparatus for driving a construction machine located on a pivoted top of an automobile chassis, equipped with an internal combustion engine, characterized in that a hydrogen generator (2), which is connected via a distributor (3), a one-way valve (4j) A rotary actuator (5) on a hydroengine of the invention (6), mounted on a rotatable upper (10), wherein the hydraulic motor (6) is mechanically coupled via a gear (7) to the hydraulic generators (8) to drive individual functions of the construction machine. ) connected via the distributor (11) to the auxiliary motors (12) on the car chassis (9).
CS84322A 1984-01-16 1984-01-16 Apparatus for driving a construction machine located on a reversible top of an automobile chassis CS239186B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS84322A CS239186B1 (en) 1984-01-16 1984-01-16 Apparatus for driving a construction machine located on a reversible top of an automobile chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS84322A CS239186B1 (en) 1984-01-16 1984-01-16 Apparatus for driving a construction machine located on a reversible top of an automobile chassis

Publications (2)

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CS32284A1 CS32284A1 (en) 1985-05-15
CS239186B1 true CS239186B1 (en) 1985-12-16

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CS32284A1 (en) 1985-05-15

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