WO2010131381A1 - 揺動連結具 - Google Patents
揺動連結具 Download PDFInfo
- Publication number
- WO2010131381A1 WO2010131381A1 PCT/JP2009/069441 JP2009069441W WO2010131381A1 WO 2010131381 A1 WO2010131381 A1 WO 2010131381A1 JP 2009069441 W JP2009069441 W JP 2009069441W WO 2010131381 A1 WO2010131381 A1 WO 2010131381A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bolt
- male screw
- shackle
- screw portion
- support body
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
- F16G15/04—Quickly-detachable chain couplings; Shackles chain links with rapid junction means are classified according to the corresponding kind of chain
- F16G15/06—Shackles designed for attachment by joint pins to chain elements, e.g. D-shackles so called harp links; the D-chain links are classified according to the corresponding kind of chain
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32114—Articulated members including static joint
- Y10T403/32221—Articulate joint comprises pivoted clevis or channel bar
Definitions
- a shackle a support body configured to be screwed to a mounting target with a mounting bolt, and a swing support mechanism that swingably supports the shackle with respect to the support body.
- the swing support mechanism is fitted with a connecting hole formed in each of the pair of leg portions of the shackle and a pair of shaft portions formed integrally with the support body in a state having a smooth outer peripheral surface.
- the present invention relates to a rocking coupler provided with a retaining means for preventing the leg portion from being pulled out from the shaft portion.
- the conventional swing coupling tool is provided with a mounting bolt 11 provided with an enlarged head portion 11 ⁇ / b> A for rotating operation on one end side and a male screw portion 11 ⁇ / b> B of one type of screw diameter on the other end portion. Is inserted into a bolt hole formed in the support body 19 and screwed to the object to be attached, so that the shackle 5 can be swingably attached to the object to be attached via the support body 19 (for example, , See Patent Document 1).
- the hook can be locked to the shackle 5 and lifted.
- the diameter of the mounting bolt 11 screwed to the mounting target is determined according to the size between the pair of legs 5a of the shackle 5. Therefore, when the screw hole previously formed in the attachment target has a large diameter, it is necessary to attach a large-diameter mounting bolt 11 corresponding thereto. In that case, it is necessary to use the support main body 19 to which the large shackle 5 between the leg portions 5a corresponding to the diameter of the mounting bolt 11 is attached. There is a problem.
- an object of the present invention is to provide a rocking coupler capable of attaching a support body to a large-diameter screw hole provided in an attachment object without changing the size of the shackle and the support body.
- the oscillating coupler of the present invention has the following first characteristic configuration.
- the swing coupling device includes a shackle, a support body configured to be screwed to a mounting target with a mounting bolt, and a swing support mechanism that swingably supports the shackle with respect to the support body. ing.
- a pair of shaft portions formed integrally with the support body in a state having a smooth outer peripheral surface are fitted into connection holes formed in the pair of leg portions of the shackle.
- the fitting portion is provided with a retaining means for preventing the leg portion from being pulled out from the shaft portion.
- the mounting bolt is composed of a double screw bolt in which a first male screw portion and a second male screw portion having different diameters are separately formed at both ends thereof. Between the first male screw portion and the second male screw portion, a bolt shaft portion whose diameter continuously changes from the first male screw portion to the second male screw portion is formed.
- the first male screw portion having a large diameter serves as a connecting portion for the attachment object.
- the support main body is provided with a bolt hole through which the bolt shaft portion is fitted and locked and through which the second screw portion having a small diameter is passed.
- the bolt hole is formed in an inner surface shape whose inner diameter continuously changes corresponding to the outer peripheral surface of the bolt shaft portion.
- the bolt shaft portion is fitted into the bolt hole, and a nut is screwed into the second male screw portion penetrating from the bolt hole. Thereby, both are integrally connected so that the mounting bolt does not come out of the support body.
- the mounting bolts are both screw bolts
- the small-diameter second male screw portion has the same diameter as the conventional mounting bolt, is passed through the bolt hole of the support body, and the nut is screwed together.
- the mounting bolt can be attached to the support body without changing the sizes of the support body and the shackle. For this reason, it is possible to prevent or suppress the whole from increasing in weight, and to maintain good handleability.
- the diameter of the first male screw portion is different from that of the second bolt, and the connecting portion can be screwed into the large-diameter bolt hole to be attached.
- the attachment bolt when the hook is locked to a shackle supported on the support body so as to be swingable and the object to be attached is lifted, if the attachment bolt is pulled from the direction intersecting the axis, the attachment bolt The acting bending force concentrates on the step portion between the first male screw portion and the second male screw portion having different diameters, and the mounting bolt is easily broken.
- a bolt shaft portion whose diameter continuously changes from the first male screw portion to the second male screw portion is formed, and the inner diameter of the bolt hole continuously corresponds to the outer peripheral surface of the bolt shaft portion. It is formed into a changing inner surface shape.
- the bolt shaft part does not have a notch-shaped step part where stress is particularly likely to concentrate, so even if bending stress is applied to the bolt when lifting the mounting target, this stress is partially It is distributed without being concentrated and transmitted to the support body. Accordingly, it is possible to obtain a rocking coupler having a high bending strength.
- a rotation support mechanism that rotatably supports the shackle with respect to the mounting bolt relative to its axis is provided between the mounting bolt and the support body. It is in place.
- the posture of the shackle in addition to being able to achieve the above-described operation and effect of the first characteristic configuration of the present invention, the posture of the shackle can be made to correspond to any pulling direction, and more There is an advantage that it is easy to use.
- FIG. 1 and 2 show the swing coupling tool B in the assembled state
- FIG. 3 shows an exploded perspective view.
- the swing coupling tool includes a shackle 5, a support body 19 that can be screwed to a mounting target with a mounting bolt 11, and a swing support mechanism that swingably supports the shackle 5 with respect to the support body 19. And. Further, the connecting holes formed in the pair of leg portions 5a of the shackle 5 and the pair of shaft portions 14 formed integrally with the support body 19 in a state having a smooth outer peripheral surface are fitted.
- the swing support mechanism is configured by providing a retaining means S for preventing the leg portion 5a from being pulled out from the shaft portion 14.
- the mounting bolt 11 is composed of a double screw bolt in which a large-diameter first male screw portion 1 and a small-diameter second male screw portion 2 having different diameters are separately formed at both ends. Between the first male screw part 1 and the second male screw part 2, a bolt shaft part 3 whose diameter continuously changes from the first male screw part 1 to the second male screw part 2 is formed.
- the large-diameter first male thread portion 1 constitutes a connecting portion for an attachment object.
- the support body 19 is provided with a bolt hole 10 through which the bolt shaft portion 3 is fitted and locked in the bolt hole 10 and through which the second male screw portion 2 having a small diameter is passed.
- the bolt hole 10 is formed in an inner surface shape whose inner diameter continuously changes corresponding to the outer peripheral surface of the bolt shaft portion 3.
- the nut 6 is screwed into the second male threaded portion 2 penetrating the bolt hole 10 with the bolt shaft portion 3 fitted in the bolt hole 10, and the mounting bolt 11 is integrally connected to the support body 19 in a
- the inverted U-shaped shackle 5 is formed by bending a straight shackle double-headed rod 5R shown in FIG. 3 hot (or at room temperature). During the bending process, a step of fitting the connecting hole 15 to the shaft portion 14 is also performed. That is, the shackle 5 is fitted to the shaft portion 14 in a fitting manner, and normally does not come out. However, the shackle 5 may be opened and deformed due to a considerable tensile load acting on the shackle 5. Accordingly, a washer 17 secured to the screw 16 is provided in a screw hole 14a formed in the shaft portion 14, and the retaining means S for preventing the leg portion 5a from being pulled out from the shaft portion 14 is configured.
- the innermost part of the screw hole 14 a and its pilot hole does not reach the base end of the shaft part 14. Therefore, it is avoided that the cross-sectional area is reduced at the most proximal portion of the shaft portion 14 where the shearing force due to the load from the shackle 5 is received, and this also contributes to an increase in the shearing force.
- the support body 19 includes a boss member 7 that forms the bolt hole 10 inside and a trunnion 13 that fits the boss member 7 therein.
- a trunnion 13 is fitted to the boss member 7 so as to be rotatable about a longitudinal axis X along the bolt axis, and the shackle 5 is rotatable relative to the mounting bolt 11 around its axis.
- a rotating support mechanism is provided for supporting.
- the boss member 7 is configured by press-fitting fitting connection between a lower boss 7A with a trumpet-shaped bolt hole 10 and a lid-like upper boss 7B with a bolt hole 10 whose diameter is increased toward the lower side.
- the second male screw portion 2 and the bolt shaft portion 3 of the mounting bolt 11 are provided through both bolt holes 10, and the nut 6 is screwed into the second male screw portion 2 so that the mounting bolt 11 is removed from the support body 19. There is no way.
- the retaining pin 4 is removably inserted into the pin hole 12 formed along the radial direction of the second male screw portion 2. It is.
- the diameter of the first male screw part 1 and the bolt hole 10 corresponding to the diameter can be changed in combination with the second male screw part 2, and form a suitable one for the ready-made bolt hole 10 formed in the mounting target. Just do it.
- the boss member 7 may be simply brought into contact with each other as shown in FIG. 4 without press-fitting the lower boss 7A and the upper boss 7B. Then, the boss member 7 can be easily disassembled and replaced with the boss member 7 corresponding to the mounting bolt 11 having a different combination of the diameters of the first male screw part 1 and the second male screw part. May be.
- the retaining pin 4 for the nut 6 may have a structure in which a pin hole penetrating both the nut 6 and the second male screw portion 2 is provided, and the nut 6 is also provided with a detent by being inserted into the pin hole.
- the boss member 7 is provided to facilitate the support body 19 to be pivotally supported around the bolt axis. However, without providing the boss member 7, a bolt hole through which the mounting bolt 11 is directly inserted into the trunnion 13 may be provided.
- the swing coupling tool of the present invention is attached to an object to be lifted by a crane or the like so that the installation posture of the object can be changed or transported.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
前記揺動支持機構を、前記シャックルの一対の脚部夫々に形成された連結用孔と、円滑な外周面を有した状態で前記支持本体に一体的に形成された一対の軸部とを嵌合させるとともに、前記脚部の前記軸部からの抜出しを阻止する抜け止め手段を設けてある揺動連結具に関する。
一方、第1オネジ部の径を、第2ボルトとは異なったものとし、取付対象の大径のボルト孔に螺合できる連結部にしてある。
例えば、揺動自在に支持本体に支持してあるシャックルにフックを係止して、取付対象を吊り上げようとする時、取付ボルトに対してその軸心に交差する方向から引っ張ると、取付ボルトに作用する曲げ力が互いに径の異なる第1オネジ部と第2オネジ部との間の段差部に集中して、取付ボルトが破断しやすくなる。しかし、本発明では、第1オネジ部から第2オネジ部にかけて連続的に径が変化するボルト軸部を形成し、前記ボルト孔を前記ボルト軸部の外周面に対応して連続的に内径が変化する内面形状に形成してある。このように、ボルト軸部には、特に応力が集中しやすい切欠き状の段差部がないため、取付対象を吊り上げようとする時にボルトに曲げ応力が作用してもこの応力は、一部に集中せずに分散されて支持本体に伝達される。
従って、曲げ耐力の高い揺動連結具を得ることができる。
図1、図2に組付け状態の揺動連結具Bが、かつ、図3に分解斜視図が夫々示されている。
なお、ナット6が第2オネジ部2から緩んで抜け出すのを防止するために、抜け止めピン4が第2オネジ部2でその径方向に沿って形成したピン孔12に、挿脱自在に差し込んである。
以下に他の実施の形態を説明する。
・ 第1オネジ部1の径及びその径に対応したボルト孔10は、第2オネジ部2との組み合わせにおいて変更可能であり、取付対象に形成された既製のボルト孔10に適合するものを形成すれば良い。
・ ボス部材7は、下ボス7Aと上ボス7Bとを圧入して嵌合連結させずに、図4に示すように、単に接当させるだけにしてもよい。そうすれば、簡単にボス部材7を分解して、第1オネジ部1の径と第2オネジ部の径の組み合わせの異なる取付ボルト11に対応したボス部材7に、交換することができるようにしても良い。
・ 前記ナット6に対する抜け止めピン4は、ナット6及び第2オネジ部2に共に貫通するピン孔を設けて、そのピン孔に挿入してナット6の回り止めも具備させる構成でも良い。
・ 前記ボス部材7は、支持本体19をボルト軸心回りに回動支持しやすくするために設けてある。しかし、ボス部材7を設けずに、トラニオン13に直接取付ボルト11を挿通させるボルト孔を設けてあっても良い。
Claims (2)
- シャックルと、取付対象に取付ボルトで螺子止めが可能に構成された支持本体と、前記シャックルを前記支持本体に対して揺動自在に支持する揺動支持機構とを備え、
前記揺動支持機構を、前記シャックルの一対の脚部夫々に形成された連結用孔と、円滑な外周面を有した状態で前記支持本体に一体的に形成された一対の軸部とを嵌合させるとともに、前記脚部の前記軸部からの抜出しを阻止する抜け止め手段を設けてある揺動連結具であって、
前記取付ボルトはその両端部に互いに径の異なる第1オネジ部と第2オネジ部とを別々に形成した両ネジボルトから成り、
前記第1オネジ部と前記第2オネジ部との間に、それらの第1オネジ部から第2オネジ部にかけて連続的に径が変化するボルト軸部を形成し、
大径の前記第1オネジ部を取付対象物に対する連結部に構成すると共に、
前記ボルト軸部を嵌合させて係止すると共に小径の前記第2ネジ部を貫通させるボルト孔を前記支持本体に設け、
前記ボルト孔を前記ボルト軸部の外周面に対応して連続的に内径が変化する内面形状に形成し、
前記ボルト孔に前記ボルト軸部を嵌合させた状態で前記ボルト孔を貫通した前記第2オネジ部にナットを螺合させて前記取付ボルトを抜け止め状態に前記支持本体に一体連結し
てある揺動連結具。 - 前記シャックルを前記取付ボルトに対してその軸心回りに相対的に回動自在に支持する回動支持機構を、前記取付ボルトと前記支持本体との間に設けてある請求項1に記載の揺動連結具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/320,301 US20120099922A1 (en) | 2009-05-15 | 2009-11-16 | Swingable connecting device |
EP09844651.1A EP2431620B1 (en) | 2009-05-15 | 2009-11-16 | Swingable connecting device |
CN200980159055.4A CN102422033B (zh) | 2009-05-15 | 2009-11-16 | 摇动连接器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009118808A JP4369989B1 (ja) | 2009-05-15 | 2009-05-15 | 揺動連結具 |
JP2009-118808 | 2009-05-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010131381A1 true WO2010131381A1 (ja) | 2010-11-18 |
Family
ID=41443809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/069441 WO2010131381A1 (ja) | 2009-05-15 | 2009-11-16 | 揺動連結具 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20120099922A1 (ja) |
EP (1) | EP2431620B1 (ja) |
JP (1) | JP4369989B1 (ja) |
KR (1) | KR101569506B1 (ja) |
CN (1) | CN102422033B (ja) |
WO (1) | WO2010131381A1 (ja) |
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DE102010046495B3 (de) * | 2010-09-24 | 2011-11-10 | Hübner GmbH | Gelenk eines Gelenkfahrzeugs |
US9664224B2 (en) * | 2012-07-31 | 2017-05-30 | Pewag Austria Gmbh | Ring nut |
US20140327262A1 (en) * | 2013-05-02 | 2014-11-06 | Mjt Holdings, Llc | Quick connect omni-positional hoist ring assembly |
LU92243B1 (fr) * | 2013-07-08 | 2015-01-09 | Intelprop Sa | Anneau de levage |
CN103434922A (zh) * | 2013-09-12 | 2013-12-11 | 中国海洋石油总公司 | 全回转式筒体法兰的吊点 |
CN104454958A (zh) * | 2014-10-30 | 2015-03-25 | 河海大学常州校区 | 一种销轴中部单面削平型铰接连接 |
CN104787662A (zh) * | 2015-05-05 | 2015-07-22 | 刘银明 | 一种高强度起吊环 |
KR101654163B1 (ko) * | 2015-08-07 | 2016-09-08 | 김중호 | 인양용 체결구 |
DE102015223161A1 (de) | 2015-11-24 | 2017-05-24 | Rud Ketten Rieger & Dietz Gmbh U. Co. Kg | Anschlagpunkt mit beweglicher Kippachse |
SG10201605907YA (en) * | 2016-07-19 | 2018-02-27 | Tiong Bin Seow | A rotatable anchoring assembly |
US20180228516A1 (en) * | 2017-02-14 | 2018-08-16 | Warsaw Orthopedic, Inc. | Spinal implant system and method |
KR20220079520A (ko) * | 2019-08-02 | 2022-06-13 | 브랜드세이프웨이 서비시즈 엘엘씨 | 콘크리트 앵커와 함께 사용하기 위한 회전식 서스펜션 포인트 |
KR200496065Y1 (ko) * | 2020-08-26 | 2022-10-26 | 주식회사 한국가스기술공사 | 회전 각도 가변식 샤클구조체 |
US20230115353A1 (en) * | 2021-10-12 | 2023-04-13 | Miller Industries Towing Equipment, Inc. | Self-aligning, rotating d-ring for recovery vehicles |
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2009
- 2009-05-15 JP JP2009118808A patent/JP4369989B1/ja active Active
- 2009-11-16 EP EP09844651.1A patent/EP2431620B1/en active Active
- 2009-11-16 US US13/320,301 patent/US20120099922A1/en not_active Abandoned
- 2009-11-16 CN CN200980159055.4A patent/CN102422033B/zh active Active
- 2009-11-16 WO PCT/JP2009/069441 patent/WO2010131381A1/ja active Application Filing
- 2009-11-16 KR KR1020117029470A patent/KR101569506B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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EP2431620A4 (en) | 2013-03-06 |
JP2010266015A (ja) | 2010-11-25 |
CN102422033B (zh) | 2014-01-22 |
EP2431620A1 (en) | 2012-03-21 |
KR20120023073A (ko) | 2012-03-12 |
JP4369989B1 (ja) | 2009-11-25 |
EP2431620B1 (en) | 2014-03-05 |
US20120099922A1 (en) | 2012-04-26 |
CN102422033A (zh) | 2012-04-18 |
KR101569506B1 (ko) | 2015-11-16 |
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