WO2011092999A1 - ロープホイスト - Google Patents

ロープホイスト Download PDF

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Publication number
WO2011092999A1
WO2011092999A1 PCT/JP2010/073843 JP2010073843W WO2011092999A1 WO 2011092999 A1 WO2011092999 A1 WO 2011092999A1 JP 2010073843 W JP2010073843 W JP 2010073843W WO 2011092999 A1 WO2011092999 A1 WO 2011092999A1
Authority
WO
WIPO (PCT)
Prior art keywords
rope
spiral groove
drum
guide mechanism
wire rope
Prior art date
Application number
PCT/JP2010/073843
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
直哉 小川
洋一 永瀬
冨士人 弓達
Original Assignee
三菱電機Ｆａ産業機器株式会社
株式会社キトー
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 三菱電機Ｆａ産業機器株式会社, 株式会社キトー filed Critical 三菱電機Ｆａ産業機器株式会社
Priority to CN201080062388.8A priority Critical patent/CN102725220B/zh
Priority to KR1020127018220A priority patent/KR101316967B1/ko
Publication of WO2011092999A1 publication Critical patent/WO2011092999A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
    • B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54—Safety gear

Definitions

  • the present invention relates to a rope hoist, and in particular, includes a rope guide mechanism having a function of preventing winding of a wire rope to move left and right on the rope drum according to the rotation of the rope drum in order to guide and wind the wire rope. It is about the rope hoist.
  • the rope hoist described in Patent Document 1 includes a rope guide that aligns and winds a wire rope in a spiral groove formed in a winding drum, and a random winding prevention unit that includes a sliding guide device that moves the rope guide left and right, It has. That is, the random winding prevention means is configured to move left and right on the winding drum as the winding drum rotates.
  • the rope guide is divided into multiple radial sections to facilitate installation and removal of the rope guide and to allow easy installation of the rope guide when a new rope guide is added to the existing winding drum. It divides
  • the attachment and removal of the rope guide to and from the winding drum can be performed independently of the assembly and disassembly process of the rope hoist speed reduction part and brake part, so that the time for mounting and disassembling the random winding prevention means is shortened. .
  • a rope hoist having a configuration in which a rope drum having a spiral groove for winding a wire rope is provided and the hook portion is raised and lowered by winding and rewinding the wire rope around the spiral groove of the rope drum by rotation of the rope drum.
  • a guide shaft provided in parallel to the rope drum, a slider portion supported so as to be able to reciprocate based on sliding in a spiral groove interlocked with the rotation of the rope drum, a rope pressing portion that presses the wire rope against the rope drum,
  • a rope guide mechanism having A rope hoist is provided that is provided on the terminal side of the spiral groove of the rope drum and includes a spiral groove-free recess for stopping the movement of the rope guide mechanism by idling the slider portion of the rope guide mechanism.
  • the concave portions without the spiral groove are provided on the start end side and the end end side of the spiral groove.
  • the spiral groove of the rope drum is By having a concave portion without a spiral groove on the start end side and the end end side, movement of the wire rope to the start end side or movement to the holding end side of the end of the wire rope is prevented, and damage to the rope guide mechanism or the like can be prevented in advance.
  • the rope hoist is attached to the guide shaft, and prevents the movement of the rope guide mechanism by contacting the slider portion of the rope guide mechanism corresponding to the concave portion without the spiral groove.
  • a retaining ring is further provided.
  • the rope pressing portion includes a rope pressing roller that is formed at the tip of an arm portion extending to the slider portion and is biased so as to press the wire rope against the rope drum.
  • the rope pressing roller presses the wire rope against the rope drum by the urging force, so that even when no tension is applied to the wire rope, the bulge of the wire rope can be suppressed and the occurrence of turbulent winding can be prevented.
  • the rope hoist includes rope bulge prevention means that is formed on the arm portion of the rope guide mechanism and prevents the wire rope from bulging.
  • rope bulge prevention means that is formed on the arm portion of the rope guide mechanism and prevents the wire rope from bulging.
  • FIG. 1 is an external side view showing a part of a rope hoist according to an embodiment of the present invention.
  • 2 is a half sectional side view showing a state in which a wire rope is wound around a rope drum of the rope hoist shown in FIG.
  • FIG. 3 is an overall longitudinal sectional view of the rope hoist shown in FIG. 1 along the longitudinal axis direction of the rope drum.
  • 4a is a cross-sectional view of a rope guide mechanism of the rope hoist shown in FIG.
  • FIG. 4b is an exploded view of the rope guide mechanism shown in FIG. 4a.
  • FIG. 4c is a sectional view taken along line AA of the rope guide mechanism shown in FIG. 4a.
  • FIG. 5 a is a longitudinal sectional view of a main part showing a state where the rope guide is in a normal position in the rope hoist shown in FIG. 1.
  • FIG. 5b is a longitudinal sectional view of a main part showing a state in which the rope guide is in the idling position in the rope hoist shown in FIG.
  • FIG. 5c is a longitudinal sectional view of a main part showing a state in which the rope guide has reached the slide limit position in the rope hoist shown in FIG.
  • FIG. 1 shows an embodiment of a rope hoist 1 according to the present invention.
  • the rope hoist 1 includes a rope drum 4 that is disposed in the longitudinal direction of the drum frame 2 and is rotatably supported by flange portions 21 a and 21 b that face each other and winds a wire rope W.
  • both end portions on the long side of the rope drum 4 are supported by the flange portions 21 a and 21 b via the bearing portions 3 and 3, respectively.
  • An electric motor section 6 having an electromagnetic brake 6a is motively connected to a hollow shaft (described later) of the rope drum 4 supported by the bearing section 3 on the flange section 21b side via a speed reducer section 5.
  • the rope drum 4 is configured to rotate at a reduced speed via the speed reducer 5 based on the activation of the electric motor 6.
  • a control device 7 that feeds power to the motor portion 6 and controls the rotation of the rope drum 4 using an operation push button switch, a detector, and the like (not shown).
  • a guide shaft 8 is attached to the flange portions 21a and 21b so as to be close to the lower portion of the rope drum 4 supported between the flange portions 21a and 21b and extending in parallel with the rotation axis of the rope drum 4.
  • a rope guide mechanism 9 is attached to the guide shaft 8 via a slider portion (described later).
  • the rope guide mechanism 9 is supported by the guide shaft 8 so as to reciprocate along the guide shaft 8 in conjunction with the movement of the hanging position of the wire rope W.
  • the hook portion 10 is configured to be raised and lowered when the wire rope W is wound around the rope drum 4 or unwound from the rope drum 4 via the rope guide mechanism 9.
  • the rope drum 4 includes a cylindrical pipe member 41 having a predetermined diameter having an axis that coincides with the rotational axis of the rope drum 4.
  • First and second end side plates 42a and 42b are fitted and fixed to both ends of the opening of the cylindrical tube member 41 formed in the axial direction of the cylindrical tube member 41, respectively.
  • the first and second end side plates 42a and 42b are provided with hollow shaft portions 43a and 43b with the rotation axis as the center.
  • the hollow shaft portions 43a and 43b are arranged at the outer peripheral portions protruding outward of the first and second end side plates 42a and 42b along the rotation axis, and the flange portions 21a of the drum frame 2 through the bearing portion 3 described above. 21b is supported.
  • channel is inserted in the internal peripheral surface of the hollow shaft part 43b of the 2nd edge part side plate 42b so that the output shaft (illustration omitted) of the reduction gear part 5 may be penetrated and the output shaft may be connected with the hollow shaft part 43b. Is formed.
  • a spiral groove 411 in which the wire rope W is aligned and wound in a single layer is formed.
  • the spiral groove 411 is formed in a concave groove shape having a radius of curvature corresponding to the outer diameter of the wire rope W. Further, the spiral groove 411 is formed at a position closer to the center at a predetermined interval from both ends of the outer peripheral surface of the cylindrical tube member 41 along the rotation axis. Further, on the outer peripheral surface of the cylindrical tube member 41, as a start end portion of the spiral groove 411 at a location near the second end side plate 42b, and as a termination portion of the spiral groove 411 at a location near the first end side plate 42a, respectively.
  • Recesses without spiral grooves 412b and 412a are formed within a predetermined range.
  • the bottom diameters of the spiral groove-less recesses 412a and 412b are substantially the same as the groove bottom diameter of the spiral groove 411.
  • the spiral groove-less recesses 412a and 412b are equal to or greater than the groove width of the spiral groove 411 and have a width about twice as large. It is formed from a recess.
  • the spiral groove-less recesses 412a and 412b may be formed from recesses obtained by scraping the crests between adjacent grooves of the spiral groove 411 to approximately the same depth as the spiral groove 411 for about one turn.
  • a sliding protrusion 91a of the slider 91 in the rope guide mechanism 9 described later smoothly slides from the spiral groove 411 to the spiral groove-less recess 412a and enters the spiral groove-less recess 412a, and the spiral groove-less recess 412a.
  • the sliding projection 91a idles.
  • the spiral groove-less recess 412b as the start end of the spiral groove 411 closer to the second end side plate 42b is used for checking the operation of the rope guide mechanism 9 during a test operation described later.
  • the rope guide mechanism 9 can be prevented from being damaged.
  • the groove processing is not given to the outer peripheral surface of the cylindrical tube member 41 near the second end side plate 42b from the concave portion 412b without the spiral groove.
  • the spiral groove-less recess 412a as the end portion of the spiral groove 411 closer to the first end side plate 42a is used to stop the sliding movement of the rope guide mechanism 9 at the end portion during the trial operation.
  • the concave portion 412a without the spiral groove is formed when the rope drum 4 is excessively rotated in the lowering direction during the lowering operation of the hook portion 10 in a state where the wire rope W is wound around the spiral groove 411 (the wire rope W Even in the case of excessive rewinding, the movement of the rope guide mechanism 9 beyond a predetermined range can be stopped to prevent the rope guide mechanism 9 from being damaged. Further, an extra-winding spiral groove 413 for winding the wire rope W excessively is formed on the outer peripheral surface of the cylindrical tube member 41 near the first end side plate 42a from the recess 412a without the spiral groove.
  • the spiral spiral groove 413 is thread-formed on the cylindrical tube member 41 continuously with the spiral groove 411 at the same pitch as the spiral groove 411. Thereafter, the spiral groove-less concave portion 412a is turned at the boundary portion of the spiral groove portion between the spiral groove 411 and the surplus spiral groove 413 by the same method as the spiral groove-less concave portion 412b described above. According to such a forming method, the processing is easy, and the wire rope W can be wound with good alignment from the spiral spiral groove 413 to the spiral groove 411 through the recess 412a without the spiral groove.
  • the cylindrical tube member 41 is provided with a bolt hole 415 of a terminal presser 414 for fixing the terminal portion of the wire rope W at a position adjacent to the first end side plate 42a.
  • the end portion of the wire rope W is fixed to the rope drum 4 by a terminal presser 414 as shown in FIGS. 2 and 5a.
  • the wire rope W is wound in alignment from the spiral spiral groove 413 to the spiral groove 411 through the spiral grooveless recess 412a.
  • the rope guide mechanism 9 will be described.
  • the rope guide mechanism 9 includes a slider portion 91 supported by the guide shaft 8 so as to reciprocate along the guide shaft 8, and an arm formed integrally with the slider portion 91 and extending in an arc shape.
  • the slider portion 91 has a sliding protrusion 91 a that can trace the spiral groove 411 while sliding in the spiral groove 411 on the outer peripheral surface of the cylindrical tube member 41 of the rope drum 4.
  • the arm part 92 has a pair of arm members 92a and 92b which are curved from the slider part 91 with a curvature radius corresponding to the outer periphery of the wire rope W wound around the spiral groove 411 of the rope drum 4 ( See FIG. 4b).
  • a space slightly larger than the outer diameter of the wire rope W is formed between the arm members 92a and 92b.
  • the arm members 92a and 92b are connected to each other based on the intervention of the spacer pipe Sp so as to maintain the above-mentioned distance on the upper end side.
  • the support shaft 92c inserted through the spacer pipe Sp supports the rope pressing portion 93.
  • the rope pressing portion 93 includes a pressing arm portion 93a and a roller member 93b.
  • the roller member 93b is always pressed against the outer periphery of the wire rope W wound around the spiral groove 411 of the rope drum 4 by the biasing force of the spring member Cs.
  • the wire rope W wound around the spiral groove 411 of the rope drum 4 has a portion that hangs down from the rope drum 4 toward the hook portion 10 and has a winding start portion that moves on the wire rope W according to the winding amount. It is formed. This winding start portion is pressed and urged against the spiral groove 411 of the rope drum 4 by the roller member 93b.
  • the wire rope W that hangs down from the winding start portion toward the hook portion passes between the arm members 92a and 92b and suspends the hook portion 10.
  • the sliding convex portion 91a of the rope guide mechanism 9 is located next to the spiral groove 411 around which the wire rope W is wound below the winding start portion, and is located in the spiral groove 411 around which the wire rope W is not wound.
  • the rope guide mechanism 9 moves in conjunction with the movement of the winding start portion of the wire rope W simultaneously with the rotation of the rope drum 4 that winds and unwinds the wire rope W.
  • the arm members 92a and 92b guide the spiral groove 411, and the roller member 93b presses and urges the spiral groove 411 so that the winding is surely performed on the spiral groove 411.
  • one arm member 92a that is, the arm member 92a on which the slider portion 91 advances when the wire rope W is rewound (unwound).
  • a rope bulge prevention rib 94 for suppressing the bulge due to the elasticity of the wire rope W (see FIG. 4c).
  • a retaining ring 81 for preventing the slider portion 91 of the rope guide mechanism 9 from moving on the guide shaft 8 to the end of the rope drum 4 is attached to the guide shaft 8.
  • the sliding convex portion 91a of the slider portion 91 reaches the concave portion 412a without the spiral groove formed as the terminal portion of the spiral groove 411 on the side closer to the first end side plate 42a (the state shown in FIG.
  • FIG. A wire rope W having a start end fixed on the drum frame 2 side is wound around a moving pulley and wound around the rope drum 4.
  • the electric motor unit 6 is activated and the rope drum 4 is decelerated and rotated through the speed reducer unit 5, the wire rope W is wound up and unwound to raise and lower the hanging hook 10F.
  • the rope hoist 1 according to the present invention is configured as described above.
  • the rope bulge prevention rib 94 provided on the arm member 92a on the side where the slider portion 91 proceeds can effectively suppress the wire rope W from bulging due to elasticity. Further, when the suspension hook 10F is wound down to the limit of the predetermined range, the electromagnetic brake slips based on the interruption of the power supply to the electric motor unit 6 by the control device 7, or the rope drum 4 becomes elliptical due to other control delay or the like. Even if it runs and rotates, the sliding convex portion 91a of the rope guide mechanism 9 reaches the concave portion 412a without the spiral groove and idles in the concave portion 412a without the spiral groove.
  • the sliding recess 91a does not move further in the direction of the fixed position of the end portion of the wire rope W. Even if the elliptical distance is extended and the arm member 92a of the arm portion 92 is pulled toward the lobe terminal presser 414 by the unwound wire rope W, the slider is moved by the retaining ring 81 fitted to the guide shaft 8. The movement of the portion 91 is prevented, and the sliding convex portion 91a is prevented from engaging with the surplus spiral groove 413, so that damage to the apparatus can be reliably prevented.
  • the rope guide mechanism 9 is fixed to the end portion of the wire rope W by simple mechanical means such as the spiral groove-less recess 412a as the terminal end of the spiral groove 411 and the retaining ring 81 provided on the guide shaft 8. It is possible to prevent the rope guide mechanism 9 from being damaged by moving up to.
  • the rope guide mechanism 9 stops at a position where there is a margin that does not interfere with the fixture of the end portion of the wire rope W.
  • the rope guide mechanism 9 must be controlled, so that the effective winding length is limited, or it is necessary to lengthen the entire length of the rope drum 4 by a margin.
  • this margin can be abbreviate
  • a double and triple safety device is required in consideration of a failure of the control device, and the rope hoist 1 becomes complicated and expensive.
  • the rope guide mechanism 9 is provided with a rope bulge preventing rib 94 extending in the direction of the fixing position of the end portion of the wire rope W, and on the outer periphery of the rope drum 4 at the fixing position of the end portion of the wire rope W.
  • the terminal presser 414 of the wire rope W is fixed.
  • the electric motor unit 6 is activated by supplying power to the electric motor unit 6 without using the control device 7, and the rope drum 4 is decelerated and rotated via the reduction gear unit 5.
  • the operation of the rope guide mechanism 9 is confirmed.
  • the rope guide mechanism 9 reciprocates on the guide shaft 8 with the spiral groove 411 as the guide means depending on the rotation direction of the rope drum 4.
  • the rope guide mechanism 9 moves to the first and second end side plates 42a and 42b at both ends of the rope drum 4 or exceeds the screwing range of the spiral groove 411.
  • the rope guide mechanism 9 is not damaged by the sliding protrusion 91a riding on the cylindrical tube member 41.
  • the rope hoist 1 can contribute to the performance of useful test operation, simplify and ensure the test operation procedure, and improve the efficiency of inspection and repair.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Transmission Devices (AREA)
  • Ropes Or Cables (AREA)
  • Pulleys (AREA)
PCT/JP2010/073843 2010-01-29 2010-12-22 ロープホイスト WO2011092999A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201080062388.8A CN102725220B (zh) 2010-01-29 2010-12-22 绳索提升机
KR1020127018220A KR101316967B1 (ko) 2010-01-29 2010-12-22 로프 호이스트

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010019336A JP5424916B2 (ja) 2010-01-29 2010-01-29 ロープホイスト
JP2010-019336 2010-01-29

Publications (1)

Publication Number Publication Date
WO2011092999A1 true WO2011092999A1 (ja) 2011-08-04

Family

ID=44318998

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/073843 WO2011092999A1 (ja) 2010-01-29 2010-12-22 ロープホイスト

Country Status (4)

Country Link
JP (1) JP5424916B2 (zh)
KR (1) KR101316967B1 (zh)
CN (1) CN102725220B (zh)
WO (1) WO2011092999A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVR20120056A1 (it) * 2012-03-23 2013-09-24 B Financial Srl Organo meccanico per la movimentazione di carichi,particolarmente per imbarcazioni
FR3110453A1 (fr) * 2020-05-20 2021-11-26 Mecaoctet Treuil pour le déplacement d’une charge dans l’industrie du spectacle et procédé d’utilisation d’un tel treuil
US11613450B2 (en) * 2018-04-10 2023-03-28 Samsung Electronics Co., Ltd. Lifter

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103991808B (zh) * 2014-04-30 2016-06-08 江苏双盈纺织科技有限公司 一种行车钢丝绳排绳装置
BR112016028590B1 (pt) 2014-06-06 2023-12-05 Kito Corporation Guindaste de corda
JP6265846B2 (ja) * 2014-06-25 2018-01-24 株式会社キトー ロープガイド機構およびロープホイスト
CN104291229A (zh) * 2014-11-10 2015-01-21 安徽威萨重工机械有限公司 卷筒钢丝绳防脱机构
JP6541552B2 (ja) * 2015-11-20 2019-07-10 株式会社クボタ アシストスーツ
CN108724160B (zh) * 2017-04-21 2021-08-17 中国科学院宁波材料技术与工程研究所 一种提高控制精度的绳索驱动装置
CN108625347A (zh) * 2017-11-12 2018-10-09 江苏润源水务设备有限公司 一种螺杆启闭机过限位保护装置
CN113302145B (zh) * 2019-01-22 2023-04-14 株式会社开道 绳索引导机构和绳索提升机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159791U (ja) * 1984-04-03 1985-10-24 株式会社明電舎 ホイストの乱巻防止装置
JPS6393394U (zh) * 1986-12-10 1988-06-16

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
CH134446A (de) * 1928-10-06 1929-07-31 Demag Ag Trommelwinde mit Vorrichtung zur straffen Seilführung.
DE2217522A1 (de) * 1972-04-12 1973-11-08 Atlas Hoist & Body Inc Seilandrueckvorrichtung
KR100407765B1 (ko) 2001-07-10 2003-12-03 강훈철 권취장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159791U (ja) * 1984-04-03 1985-10-24 株式会社明電舎 ホイストの乱巻防止装置
JPS6393394U (zh) * 1986-12-10 1988-06-16

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVR20120056A1 (it) * 2012-03-23 2013-09-24 B Financial Srl Organo meccanico per la movimentazione di carichi,particolarmente per imbarcazioni
EP2641861A1 (en) * 2012-03-23 2013-09-25 B. Financial S.r.L. Mechanical member for moving loads, particularly for boats
US11613450B2 (en) * 2018-04-10 2023-03-28 Samsung Electronics Co., Ltd. Lifter
FR3110453A1 (fr) * 2020-05-20 2021-11-26 Mecaoctet Treuil pour le déplacement d’une charge dans l’industrie du spectacle et procédé d’utilisation d’un tel treuil

Also Published As

Publication number Publication date
JP2011157171A (ja) 2011-08-18
KR20120106802A (ko) 2012-09-26
CN102725220B (zh) 2015-05-20
KR101316967B1 (ko) 2013-10-11
JP5424916B2 (ja) 2014-02-26
CN102725220A (zh) 2012-10-10

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