WO1995013240A1 - Dispositif d'extension et de stockage d'une fleche horizontale - Google Patents

Dispositif d'extension et de stockage d'une fleche horizontale Download PDF

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Publication number
WO1995013240A1
WO1995013240A1 PCT/JP1994/001876 JP9401876W WO9513240A1 WO 1995013240 A1 WO1995013240 A1 WO 1995013240A1 JP 9401876 W JP9401876 W JP 9401876W WO 9513240 A1 WO9513240 A1 WO 9513240A1
Authority
WO
WIPO (PCT)
Prior art keywords
boom
horizontal boom
horizontal
vertical
support frame
Prior art date
Application number
PCT/JP1994/001876
Other languages
English (en)
Japanese (ja)
Inventor
Hiroyuki Sawabe
Shinichi Ohta
Original Assignee
Komatsu Ltd.
Komatsu Mec Kabushiki Kaisha
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 Komatsu Ltd., Komatsu Mec Kabushiki Kaisha filed Critical Komatsu Ltd.
Priority to KR1019960702373A priority Critical patent/KR100332941B1/ko
Priority to DE69427033T priority patent/DE69427033T2/de
Priority to EP94931694A priority patent/EP0728695B1/fr
Publication of WO1995013240A1 publication Critical patent/WO1995013240A1/fr

Links

Classifications

    • 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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/42—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/20—Control systems or devices for non-electric drives
    • 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
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration
    • 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
    • B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0321—Travelling cranes
    • B66C2700/0357—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks

Definitions

  • the present invention relates to a horizontal boom overhang and storage device, and more particularly to a mobile crane horizontal boom overhang and storage device in which a horizontal boom is stored side by side on a vertical boom.
  • a folding crane of a mobile crane for example, the one shown in Japanese Utility Model Laid-Open No. 63-41092 is known.
  • a vertical boom is attached to the vehicle body so as to be vertically rotatable between a standing posture and a lying posture, and a horizontal boom is connected to the vertical boom so as to be vertically rotatable.
  • This allows the vertical boom to fall down while traveling, and the horizontal boom to be stored in a folded position superimposed on the top of the vertical boom, and the vertical boom to be upright when crane work. It is designed to rotate.
  • the bracket provided in the width direction of the tip of the vertical boom has a pin hole in the longitudinal direction.
  • the support frame with the horizontal boom mounted up and down is provided with a bracket in the width direction and a pin hole in the longitudinal direction, and the pin holes of the vertical boom and the support frame are connected with pins. are doing.
  • the support frame can be rotated in the width direction of the vertical frame.
  • the present invention has been made in order to solve the drawbacks of the related art, and has as its object to provide a horizontal boom overhang and storage device that can be easily operated in a driver's seat and has no risk of damage to a wincher. I do.
  • the horizontal boom overhang and storage device includes horizontal boom overhang and storage means, and means for fixing the vertical boom and the horizontal boom, and can be controlled by a driver's seat. I do.
  • the overhanging and storing means is such that a bracket is fixed to the end of the vertical boom in the width direction, a pin hole is provided in the longitudinal direction of the bracket, and the bracket is mounted in the width direction of the support frame on which the horizontal boom is freely undulated.
  • a pin hole is provided in the longitudinal direction of the bracket of the support frame, and the pin hole of the vertical boom and the pin hole of the support frame are rotatably connected in the width direction by a connecting pin.
  • a rotation drive device may be provided on the center line of the pin.
  • the fixing means secures the brackets in the width direction of the tip of the vertical boom and in the width direction of the support frame, respectively, and when the horizontal boom extends, the brackets of the vertical boom and the support frame are fixed.
  • a hydraulic cylinder having a connecting pin fitted into the pin hole may be provided on the center line of the pin hole so as to penetrate the pin hole at a position where the pin holes match.
  • the fixing means fixes the connecting shaft to the support frame, and hooks to the vertical boom, which engage with the connecting shaft in the horizontal boom extending posture, and actuator for engaging and releasing the hook. May be provided.
  • the winch is located at the tip of the vertical boom or at the Guides for wires may be provided.
  • a wire guide may be provided between them.
  • a spring for adjusting the positions of the guide and the wire guide may be provided.
  • the mounting position of the wire guide is such that, when the horizontal boom is in the extended position, the wire that is aligned with the vertical end of the vertical boom and the horizontal end of the horizontal boom is not in contact with the wire.
  • the position may be as follows.
  • the overhanging and storing means are a hydraulic cylinder mounted on the support frame to raise and lower the vertical boom and the horizontal boom, and a hydraulic cylinder mounted on the tip of the vertical boom to translate the support frame in the width direction.
  • a four-bar link and a hydraulic cylinder mounted on the tip of the vertical boom to operate the four-bar link may be provided.
  • control of various actuators such as a hydraulic cylinder can be performed in the driver's seat. That is, the operation of rotating the horizontal boom in the width direction of the vertical boom to extend the horizontal boom and the operation of fixing the vertical boom and the support frame in the extended posture can be performed in the driver's seat.
  • the guide sheave and the wire guide for the winch wire are provided and the position can be adjusted by a spring, the wire does not have an unreasonable shape when the horizontal boom is stored.
  • the wire guides are attached at positions where they do not come into contact with the wires. Wear can be prevented.
  • the horizontal boom can be moved in parallel when the horizontal boom is retracted, and the horizontal boom can be raised and lowered. This allows the horizontal boom to be placed side by side on the vertical boom and stored.
  • FIG. 1 is a perspective view of a wheeled crane in which a horizontal boom according to an embodiment of the present invention is stored on the side of a vertical boom
  • Fig. 2 is a right side view of the wheeled crane of Fig. 1,
  • Fig. 3 is a plan view of the front part of the wheeled crane of Fig. 1,
  • Fig. 4 is a side view of the horizontal boom overhang posture of the wheeled crane according to the embodiment
  • Fig. 5 is a first embodiment of the horizontal boom overhang and storage device according to the embodiment.
  • FIG. 6a and 6b are diagrams of the first embodiment of the fixing means according to the embodiment, FIG. 6a is an explanatory diagram when the hydraulic cylinder is extended, and FIG. 6b is an explanatory diagram when the hydraulic cylinder is contracted. ,
  • FIG. 7 is a side view of a second embodiment of the fixing means according to the embodiment.
  • FIG. 8 is a sectional view taken along the line A--A in FIG.
  • FIG. 9 is a detailed perspective view of the bracket of FIG. 7,
  • FIGS. 10a to 10c are diagrams of the operation of the second embodiment of the fixing means
  • FIG. 10a is an explanatory diagram when the horizontal boom is extended
  • FIG. 10Ob is the connection between the vertical boom and the support frame.
  • Explanatory diagram at the time of release is an explanatory diagram at the time of opening the connecting shaft,
  • FIG. 11 is a plan view of the second embodiment of the overhang and storage device when the horizontal boom is overhanging according to the embodiment
  • FIG. 12 is a plan view of the second embodiment of the storage device overhanging when the horizontal boom is retracted
  • FIG. 13 is a perspective view showing components of the second embodiment of the overhanging storage device
  • FIG. 14 is a front view of the vertical and horizontal boom tips when the horizontal boom is retracted showing the third embodiment of the horizontal boom overhang and storage device according to the embodiment,
  • FIG. 15 is a front view of the vertical and horizontal boom tips when the horizontal boom is being extended and the horizontal boom is being extended according to the third embodiment of the storage device.
  • FIG. 16 is a front view of the vertical and horizontal boom tips when the horizontal boom is extended and the horizontal boom is extended according to the third embodiment of the storage device.
  • FIG. 17 is an explanatory diagram of a guide boom and a guide position adjusting spring of the third embodiment of the horizontal boom overhang and storage device.
  • BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the horizontal boom overhang and storage device according to the present invention will be described below in detail with reference to the accompanying drawings.
  • FIG. 1 to Fig. 3 show the wheeled crane with the boom retracted.
  • the vertical boom 2 attached to the main body 1 is raised and lowered, and the horizontal boom 3 is stored in parallel on the side.
  • FIG. 4 shows a state in which the vertical boom 2 is erected and the horizontal boom 3 is extended, and the horizontal boom 3 is in the maximum lying posture.
  • FIG. 5 shows a first embodiment of the overhanging and storing device, in which a horizontal boom 3 and a hydraulic cylinder 4 for raising and lowering the horizontal boom are mounted on a support frame 10 so as to be able to raise and lower.
  • a bracket 5 is fixed to the vertical boom 2 in the width direction, and a pin hole 6 is provided in one longitudinal direction and a pin hole 7 is provided in the other longitudinal direction.
  • a bracket 11 is fixed to the supporting frame 10 in the width direction, and a pin hole 12 is provided in one longitudinal direction and a pin hole 13 is provided in the other longitudinal direction.
  • the pin holes 6 on one side and the pin holes 12 are rotatably connected by connecting pins 14.
  • Bracket 8 is fixed on the center line of pin hole 6 on one side of vertical boom 2, and bracket 15 is fastened on the center line of pin hole 12 on one side of support frame 10. And are connected via a rotation motor 16.
  • the rotation motor 16 can be controlled from the driver's seat, and by driving the rotation motor 16, the support frame 10 rotates about the connecting pin 14 in the width direction of the vertical boom 2. It has become.
  • FIGS. 5, 6a and 6b the pin holes 7 on the other side of the vertical boom 2 and the pin holes 13 on the other side of the support frame 10 are mutually opposed when the horizontal boom 3 is in the extended position.
  • the hydraulic cylinder 17 having the connecting pin 18 is mounted on the center line of the pin hole 7 of the vertical boom 2 at the position where it is aligned.
  • the hydraulic cylinder 17 can be controlled from the driver's seat, and as shown in FIG. 6 a, by extending the hydraulic cylinder 17, the connecting pin 18 is connected to the pin hole 7 of the vertical boom 2.
  • the support frame 10 is fixed to the vertical boom 2 with the support frame 10 in a protruding posture by penetrating and inserting into the pin holes 13 of the support frame 10.
  • the hydraulic cylinder 17 is shortened, as shown in FIG.
  • the support frame 10 is released from the pin hole 13 of the support frame 10 and the support frame 10 is released.
  • the connecting shaft 21 is fixed to the support frame 10 by a bracket 20.
  • a bracket 22 having a concave portion 23 is fixed to the vertical boom 2.
  • the bracket 22 is provided with a receiving portion 25 having a notch 24.
  • a rotor 30 is rotatably fitted in the recess 23 of the bracket 22.
  • the rotor 30 is provided with a receiving portion 32 having a notch 31 and a lever 33. I have.
  • the lever 33 and the vertical boom 2 are connected by a hydraulic cylinder 34 that can be controlled from the driver's seat, and the rotor 30 rotates by expanding and contracting the hydraulic cylinder 34. .
  • the receiving portion 25 of the bracket 22 and the receiving portion 32 of the rotor 30 are engaged with the connection rod 21.
  • FIGS. 11 to 13 show a second embodiment of the horizontal boom overhang and storage device.
  • Brackets 40 and 41 are fixed to the end of the vertical boom 2 in the width direction.
  • One side of the bracket 40 and the bracket 41 are provided with pin holes 42 and 43 penetrating therethrough, and the other side of the bracket 40 is provided with a pin hole 44.
  • the horizontal boom 3 and the hydraulic cylinder 4 for the horizontal boom are mounted on the support frame 50 so as to be able to move up and down by pins 51 and 52, and the support frame 50 is provided with pin holes 53 for connection, and 54 and 55 are provided.
  • the pin holes 4 2 and 4 3 of the vertical boom 2 and the pin holes 53 of the support frame 50 are connected by pins 45 and 56 via the first link 60 having pin holes 61 at both ends.
  • the pin hole 4 of the vertical boom 2 and the pin hole 54 of the support frame 50 are connected via a second link 62 having pin holes 63 at both ends, as shown in FIG.
  • a parallel 4-bar link is configured.
  • a bracket 64 having a pin hole 65 is provided on the side surface of the first link 60, and the pin hole 55 of the support frame 50 and the pin hole 6 of the first link 60 are provided. 5 is connected to a pin 6 via a hydraulic cylinder 66.
  • the hydraulic cylinder 66 By extending and contracting the hydraulic cylinder 66, the horizontal boom 3 is moved in parallel in the width direction via the parallel 4-bar link.
  • 70 and 71 are sheaves for the winch wire attached to the: 'section of the vertical boom 2, and 72 and 73 are bases of the horizontal boom 3. Sheave attached to the end. Wires 74 and 75 pass through the sheaves 70 and 72 and the sheaves 71 and 73, respectively.
  • the bracket 5 at the tip of the vertical boom 2 and the support frame 10 of the horizontal boom 3 are connected with the hole 6 as the center of rotation.
  • a guide sheave 80 is provided on the extension of the center line of the hole 6 so that when the horizontal boom 3 is in the retracted position, the guides of the wires 74 and 75 which become U-shaped are provided. .
  • a guide 81 is provided between the guide sheave 80 and the sheaves 70 and 71, and a guide 8 is provided between the guide sheave 80 and the sheaves 72 and 73. 2 is provided to guide the wires 74 and 75 from being subjected to excessive bending force.
  • the guide sheave 80 need not rotate, and may be a member for guiding the wire.
  • FIG. 15 shows a state in which the horizontal boom 3 is being shifted from the retracted position to the extended position
  • FIG. 16 shows a case in which the horizontal boom 3 is in the extended position.
  • guides 81 and 82 are driven by wires 74, 75, between sheave 70 and sheave 72, and between sheave 71 and sheave 7.
  • the wire is placed so that it does not touch the wires 74 and 75 when it is linear with the wire 3, preventing sliding wear. Therefore, there is no danger of shortening the life of wires 74 and 75.
  • a guide sheave 80 and a guide 81 are provided with a position adjusting spring.
  • a lever 83 for swingably mounting the guide sheave 80 is urged by a spring 84.
  • a lever 85 for swingably mounting the guide 81 is urged by a spring 86.
  • the horizontal boom can be extended, stored and fixed in a safe and easy manner by controlling the actuator in the driver's seat, and wire abrasion can be prevented. Due to the ups and downs, it can be easily stored and extended in parallel to the side of the vertical boom, and is useful as a horizontal boom overhang and storage device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Jib Cranes (AREA)

Abstract

Dispositif d'extension et de stockage d'une flèche horizontale, ledit appareil permettant de tourner la flèche horizontale vers une surface latérale d'une flèche verticale et parallèlement à cette dernière et permettant d'étendre facilement ladite flèche horizontale. A cet effet, des trous (6) de cheville sont ménagés dans des supports (5) fixés à une extrémité de la flèche verticale (2), des supports (11) sont fixés à un châssis (10) de support monté sur la flèche horizontale (3), des trous (12) de cheville sont formés longitudinalement par rapport auxdits supports (11), les trous de cheville (6 et 12) étant reliés les uns aux autres par des chevilles (14) de connexion, et un dispositif (16) d'entraînement à la rotation est placé dans un axe central desdites chevilles (14) de connexion.
PCT/JP1994/001876 1993-11-08 1994-11-08 Dispositif d'extension et de stockage d'une fleche horizontale WO1995013240A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019960702373A KR100332941B1 (ko) 1993-11-08 1994-11-08 수평부움의돌출,격납장치
DE69427033T DE69427033T2 (de) 1993-11-08 1994-11-08 Vorrichtung zum ausschieben und auslagern von einem horizontalen ausleger
EP94931694A EP0728695B1 (fr) 1993-11-08 1994-11-08 Dispositif d'extension et de stockage d'une fleche horizontale

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5/302270 1993-11-08
JP30227093A JP3258472B2 (ja) 1993-11-08 1993-11-08 水平ブームの張り出し、格納装置

Publications (1)

Publication Number Publication Date
WO1995013240A1 true WO1995013240A1 (fr) 1995-05-18

Family

ID=17906993

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1994/001876 WO1995013240A1 (fr) 1993-11-08 1994-11-08 Dispositif d'extension et de stockage d'une fleche horizontale

Country Status (7)

Country Link
EP (1) EP0728695B1 (fr)
JP (1) JP3258472B2 (fr)
KR (1) KR100332941B1 (fr)
CN (1) CN1038574C (fr)
DE (1) DE69427033T2 (fr)
TW (1) TW298901U (fr)
WO (1) WO1995013240A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3225582A1 (fr) * 2016-04-01 2017-10-04 Manitowoc Crane Group France Structure pliable pour composer une grue à tour

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11199177A (ja) * 1998-01-09 1999-07-27 Kobe Steel Ltd クレーンのジブ張出し、格納方法および同装置
JP2009149438A (ja) * 2007-11-29 2009-07-09 Manitowoc Crane Companies Ltd クレーンブームセグメント用の接続システム
CN101544341B (zh) * 2009-03-27 2011-05-11 沈阳北方交通重工有限公司 汽车起重机副臂安装调整装置
CN109689562B (zh) * 2016-09-13 2020-02-14 株式会社多田野 起重机
CN107473101B (zh) * 2017-09-09 2019-06-18 南京登峰起重设备制造有限公司 一种用于市政道路的智能化可折叠起重机
CN108756781B (zh) * 2018-05-23 2023-07-04 江苏徐工工程机械研究院有限公司 一种车载钻机起重臂控制装置
DE102018115519B3 (de) 2018-06-27 2019-09-12 Terex Global Gmbh Fahrzeugkran mit einem beweglichen Adapter zwischen Hauptausleger und Hauptauslegerverlängerung

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS4517015Y1 (fr) * 1967-04-19 1970-07-13
JPS5420560A (en) * 1977-07-14 1979-02-16 Harnischfeger Corp Crane
JPS5430757Y2 (fr) * 1974-05-15 1979-09-27

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Publication number Priority date Publication date Assignee Title
US4595108A (en) * 1982-01-26 1986-06-17 Kabushiki Kaisha Kobe Seiko Sho Method for stretching and folding extension jib in wheeled type crane
JPS6327396A (ja) * 1986-07-21 1988-02-05 株式会社タダノ 伸縮ブ−ムに継ぎ足されるジブ
FR2661665B1 (fr) * 1990-05-03 1992-09-04 Ppm Sa Fleche de manutention comprenant une fleche principale et une fleche complementaire.
JPH0485298A (ja) * 1990-07-25 1992-03-18 Tadano Ltd ジブつき伸縮ブーム
JP4534306B2 (ja) * 2000-05-19 2010-09-01 ソニー株式会社 アイテム組み合わせ提示装置、アイテム組み合わせ提示システム、アイテム組み合わせ提示方法及びアイテム情報提示方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4517015Y1 (fr) * 1967-04-19 1970-07-13
JPS5430757Y2 (fr) * 1974-05-15 1979-09-27
JPS5420560A (en) * 1977-07-14 1979-02-16 Harnischfeger Corp Crane

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0728695A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3225582A1 (fr) * 2016-04-01 2017-10-04 Manitowoc Crane Group France Structure pliable pour composer une grue à tour
FR3049593A1 (fr) * 2016-04-01 2017-10-06 Manitowoc Crane Group France Structure pliable pour composer une grue a tour

Also Published As

Publication number Publication date
DE69427033T2 (de) 2001-10-25
JPH07125986A (ja) 1995-05-16
CN1038574C (zh) 1998-06-03
TW298901U (en) 1997-02-21
EP0728695A1 (fr) 1996-08-28
DE69427033D1 (de) 2001-05-10
EP0728695B1 (fr) 2001-04-04
KR960705731A (ko) 1996-11-08
EP0728695A4 (fr) 1997-06-04
JP3258472B2 (ja) 2002-02-18
KR100332941B1 (ko) 2002-11-23
CN1136798A (zh) 1996-11-27

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