WO2021137789A1 - Vérin hydraulique augmentant l'angle de rotation de l'accessoire intégré aux machines de construction - Google Patents

Vérin hydraulique augmentant l'angle de rotation de l'accessoire intégré aux machines de construction Download PDF

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Publication number
WO2021137789A1
WO2021137789A1 PCT/TR2020/050989 TR2020050989W WO2021137789A1 WO 2021137789 A1 WO2021137789 A1 WO 2021137789A1 TR 2020050989 W TR2020050989 W TR 2020050989W WO 2021137789 A1 WO2021137789 A1 WO 2021137789A1
Authority
WO
WIPO (PCT)
Prior art keywords
attachment
drive mechanism
drive
hydraulic
positioning
Prior art date
Application number
PCT/TR2020/050989
Other languages
English (en)
Inventor
Yusuf Ziya DEMİR
Ferhan FIÇICI
İlyas GENÇ
Mustafa Bozkurt
Kerem ALTINDAŞ
Original Assignee
Hi̇dromek-Hi̇droli̇k Ve Mekani̇k Maki̇na İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hi̇dromek-Hi̇droli̇k Ve Mekani̇k Maki̇na İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ filed Critical Hi̇dromek-Hi̇droli̇k Ve Mekani̇k Maki̇na İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
Priority to EP20866941.6A priority Critical patent/EP4085172B1/fr
Publication of WO2021137789A1 publication Critical patent/WO2021137789A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/006—Pivot joint assemblies
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3677—Devices to connect tools to arms, booms or the like allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/425—Drive systems for dipper-arms, backhoes or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2271—Actuators and supports therefor and protection therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2275—Hoses and supports therefor and protection therefor

Definitions

  • the invention relates to work machines such as excavator, loader etc. which are used in many fields such as construction works.
  • the invention relates to a hydraulic cylinder mechanism adjusting the rotation angle integrated to the attachment mechanism of the construction machines such as excavator, loader etc. that are used in many fields such as building, construction works.
  • the construction machines are used in the following processes; all kinds of excavation works for the preparation of substructures such as road, port, dam, airport, channel, platform etc., loading which is required to be made roughly, slope trimming, channel opening works, all kinds of debris removal works, cleaning of ground covers, opening roads in landslips and landslides that happen in mountainous and rocky lands and loading and transporting the excavated material.
  • the construction machines generally consists of pallet (or rubber wheel), engine, boom, boom cylinder, arm, attachment, attachment cylinder, operator cabin.
  • the application numbered KR101506335 present in the patent literature is related to an attachment that enables to use the rotary work pieces connected to the excavators such as pruner, crusher and bucket at the required angle, it consists of an upper plate coupled to the 1st gear, rotary lower table coupled to the 2nd gear, clamping unit for the work piece that can be clamped to the lower surface of the rotary lower plate, rotary block having external gear coupled to the 1 st and 2nd gear and lifting element that controls the rotation of the 2nd gear.
  • the invention aims to solve the abovementioned problems, to eliminate all disadvantages and to bring some additional advantages.
  • the main aim of the invention is to provide maximum opening and maximum closing of the attachment that are connected to the construction machines in the clockwise and counter clockwise directions.
  • a hydraulic cylinder that adjusts the final position of attachment between the attachment and the transmission mechanism so as to realize this aim, this hydraulic cylinder is connected to the hydraulic circuit of the attachment cylinder. This connection is provided by means of the connection of the splitter of the hydraulic ports on the attachment cylinder.
  • Figure 1 It shows the hydraulic cylinder that adjusts the attachment connected to the arm mechanism of the construction machine and attachment cylinder.
  • the arm mechanism (1 ) is the main body performing the excavation etc. works of the machine that carries the transmission mechanism (3), attachment (2), positioning mechanism (20) and drive mechanism (10).
  • the transmission mechanism (3) is a mechanism which is located between the drive mechanism (10) and the attachment (2), transmits the motion and force received from the drive mechanism (10) to the attachment (2).
  • the transmission mechanism (3) consists of 4 arms, operates according to the 4-bar mechanism.
  • the transmission mechanism (3) rotates the attachment (2) clockwise or counter clockwise.
  • the attachment (2) is a structure that is mounted on the end of the arm mechanism (1) with the power it receives from the drive mechanism (10), performs partial rotation movement with the transmission mechanism (3), with which digging, drilling, crushing, etc. works are performed.
  • the attachment (2) can be used as an apparatus such as bucket, crusher, etc. according to the condition of the work.
  • the transmission element (4) is a pressure-resistant hydraulic hose that transmits the hydraulic fluid between the drive mechanism (10) and the positioning mechanism (20).
  • the drive mechanism (10) is a piston-cylinder mechanism which is positioned on the arm mechanism (1 ), operates with high pressure hydraulic oil; it drives the attachment (2) with the drive piston (13).
  • connection element (14) is connected to the drive mechanism inlet hydraulic port (11) and drive mechanism outlet hydraulic port (12) on the drive mechanism (10), the common hydraulic connection is provided between the drive mechanism (10) cylinder and positioning mechanism (20) cylinder.
  • a separator is used as the connection element (14).
  • the positioning mechanism (20) is a piston-cylinder mechanism which is placed between the attachment (2) and the transmission mechanism (3), operates with high pressure hydraulic oil; it provides opening and closing of the attachment (2) with the positioning piston (23) according to the movement of the drive piston (13).
  • the positioning mechanism (20) increases the rotation angle of the attachment (2) by more opening or more closing the attachment (2) in the clockwise or counter clockwise direction with the extension or shortening of the positioning piston (23) between the attachment (2) and the transmission mechanism (3) when the drive piston (13) of the drive mechanism (10) reaches to the end of the stroke.
  • the operating principle of the arm mechanism (1) is as follows:
  • the attachment (2) When the attachment (2) is in full open position and the drive piston (13) is at the top dead point in the +X direction, it enters the pressurized hydraulic oil through the drive mechanism inlet hydraulic port (11) and pushes the drive piston (13) in the -x direction. While the hydraulic oil exits the drive mechanism outlet hydraulic port (12) with this driving force, when the drive piston (13) reaches the lower dead point in the -x direction, the positioning piston (23) moves in the -x direction with the passage of the oil to the positioning mechanism inlet hydraulic port (21) from the drive mechanism outlet hydraulic port (12) with the connection element (14), the distance between the attachment (2) and the transmission mechanism (3) increases and thus it enables the attachment (2) to be closed more.
  • the pressurized hydraulic oil enters through the drive mechanism outlet hydraulic port (11) and pushes the piston in the +x direction. While the hydraulic oil exits the drive mechanism inlet hydraulic port (12) with this driving force, when the drive piston (13) reaches the top dead point in the +x direction, the positioning piston (23) moves in the +x direction with the passage of the oil to the positioning mechanism outlet hydraulic port (21) from the drive mechanism inlet hydraulic port (12) with the connection element (14), the distance between the attachment (2) and the transmission mechanism (3) decreases and thus it enables the attachment (2) to be opened more.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)

Abstract

L'invention concerne un mécanisme de bras (1) qui est constitué d'un accessoire (2) effectuant un mouvement de rotation partiel qui est intégré aux machines de construction utilisées dans la préparation d'infrastructures urbaines et de construction, avec lesquelles des travaux d'excavation, de forage, de broyage, etc. sont effectués ; d'un mécanisme d'entraînement (10) qui entraîne l'accessoire (2) ; d'un mécanisme de transmission (3) qui transmet le mouvement et la force reçus en provenance du mécanisme d'entraînement (10) à l'accessoire (2) ; d'un mécanisme de positionnement (20) qui modifie la distance entre l'accessoire (2) et le mécanisme de transmission (3), comporte un piston de positionnement (23) augmentant l'angle de rotation de l'accessoire (2) lors de l'ouverture ou de la fermeture avec ce mouvement ; d'un élément de liaison (14) qui assure la liaison hydraulique entre le cylindre de mécanisme d'entraînement (10) et le cylindre de mécanisme de positionnement (20).
PCT/TR2020/050989 2019-12-30 2020-10-26 Vérin hydraulique augmentant l'angle de rotation de l'accessoire intégré aux machines de construction WO2021137789A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20866941.6A EP4085172B1 (fr) 2019-12-30 2020-10-26 Vérin hydraulique augmentant l'angle de rotation de l'accessoire intégré aux machines de construction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2019/22556 2019-12-30
TR201922556 2019-12-30

Publications (1)

Publication Number Publication Date
WO2021137789A1 true WO2021137789A1 (fr) 2021-07-08

Family

ID=76687386

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2020/050989 WO2021137789A1 (fr) 2019-12-30 2020-10-26 Vérin hydraulique augmentant l'angle de rotation de l'accessoire intégré aux machines de construction

Country Status (2)

Country Link
EP (1) EP4085172B1 (fr)
WO (1) WO2021137789A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0671511A2 (fr) * 1994-03-07 1995-09-13 Hitachi Construction Machinery Co., Ltd. Pelle du type pivotant
US7008169B1 (en) * 1999-02-09 2006-03-07 Yanmar Co., Ltd. Hydraulically driven working machine
KR20180003306A (ko) * 2016-06-30 2018-01-09 현대건설기계 주식회사 수평 인양 특성이 향상된 휠 로더의 버킷 작동 기구

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966066A (en) * 1975-04-25 1976-06-29 Caterpillar Tractor Co. Hydraulic circuit
KR100952534B1 (ko) * 2005-09-29 2010-04-12 가부시끼 가이샤 구보다 휠식 작업기
WO2009129812A1 (fr) * 2008-04-24 2009-10-29 Optimal Service V/Torben Ulriksen Dispositif d'inclinaison pour excavateur, procédé d'inclinaison d'outil excavateur et utilisation de dispositif d'inclinaison
US10156055B2 (en) * 2016-05-06 2018-12-18 Caterpillar Inc. Integrated excavator pin grabber quick coupler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0671511A2 (fr) * 1994-03-07 1995-09-13 Hitachi Construction Machinery Co., Ltd. Pelle du type pivotant
US7008169B1 (en) * 1999-02-09 2006-03-07 Yanmar Co., Ltd. Hydraulically driven working machine
KR20180003306A (ko) * 2016-06-30 2018-01-09 현대건설기계 주식회사 수평 인양 특성이 향상된 휠 로더의 버킷 작동 기구

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4085172A4 *

Also Published As

Publication number Publication date
EP4085172A1 (fr) 2022-11-09
EP4085172B1 (fr) 2024-02-21
EP4085172A4 (fr) 2023-06-14

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