JP2010189179A - Lower hook mounting bracket in two-place hanging chain hoisting device - Google Patents

Lower hook mounting bracket in two-place hanging chain hoisting device Download PDF

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JP2010189179A
JP2010189179A JP2009037678A JP2009037678A JP2010189179A JP 2010189179 A JP2010189179 A JP 2010189179A JP 2009037678 A JP2009037678 A JP 2009037678A JP 2009037678 A JP2009037678 A JP 2009037678A JP 2010189179 A JP2010189179 A JP 2010189179A
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lower hook
chain
mounting bracket
load
fitted
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Akira Saito
彰 斉藤
Yusuke Iizuka
裕介 飯塚
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Kito KK
Kito Corp
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Kito KK
Kito Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a lower hook mounting bracket in two-place hanging chain hoisting device, capable of sufficiently securing intervals for hung cargoes to be lifted up and down. <P>SOLUTION: The lower hook mounting bracket 20 in the two-place hanging chain hoisting device has a height and a weight as predetermined. It includes an insertion hole 22 formed in the lower part of the body for the rod engaging part 21 of the lower hook to be fitted therein, a first step 23 and a second step 24 provided on the upper part of the insertion hole 22, the first step part 23 being mounted with a thrust bearing 26 fitted to the rod engaging part 21, the second step part 24 being mounted with washers 27, 28 fitted to the grooved part 29 on the upper part of the rod engaging part 21, and a screw hole 25 which is communicated with the second step 24 via the upper part of the body, and to which a chain mounting bracket 33 connected to a load chain is threaded and fitted. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

本発明は、チェーンブロックを用いたチェーン巻上装置に適用される下フック取り付け金具に関するもので、さらに詳しくは、荷を２箇所で吊って昇降搬送する２箇所吊りチェーン巻上装置におけるロードチェーンと下フックの取り付け間隔を調整可能とする下フック取り付け金具に関する。   The present invention relates to a lower hook mounting bracket applied to a chain hoisting device using a chain block. More specifically, the present invention relates to a load chain in a two-point hanging chain hoisting device that lifts and conveys a load at two locations. The present invention relates to a lower hook mounting bracket that can adjust the mounting interval of the lower hook.

従来より、チェーンブロックから繰出される２本のロードチェーンを用いて、ロール等の荷を前後２箇所で水平に吊り上げる吊り上げ装置は公知である。（例えば特許文献１参照）
以下、公知の２点水平式電気チェーンブロックについて、図３及び図４を参照して説明する。 2. Description of the Related Art Conventionally, a lifting device that horizontally lifts a load such as a roll at two front and rear positions using two load chains fed from a chain block is known. (For example, see Patent Document 1)
Hereinafter, a known two-point horizontal electric chain block will be described with reference to FIGS.

図3において、1は天井等に横設された走行レール、２ａ、２ｂは走行レール1上を走行する走行車輪3をそれぞれ備えた後方及び前方トロリ、４ａは巻上装置の主フレーム、４ｂは従動フレーム、４ｃは主フレーム４ａと従動フレーム４ｂを連結する連結フレームである。５は主フレーム４ａに取設されたチェーンブロックで、荷を昇降する後方ロードチェーン６ａと前方ロードチェーン６ｂを同時に巻き上げ、巻き降しするための一対のロードシーブ（図示せず）を備えている。前記一対のロードシーブは一つのモータにより駆動され、前後２本のロードチェーン６ａ、６ｂを同時に昇降動作させるように構成されている。
前記後方ロードチェーン６ａは、前記チェーンブロック5のロードシーブ（図示せず）から、チェーンブロック５の下方で主フレーム４ａに備えられた下部シーブ８、及びチェーンブロック５の側方で主フレーム４ａの上部に備えられたガイドシーブ８ａに巻き掛けられ、前記連結フレーム４ｃに備えられた後方シーブ７ａに巻き掛けられ下方に垂下し、一方、前記前方ロードチェーン６ｂは、前記後方ロードチェーン６ａと同様に前記チェーンブロック5のロードシーブ（図示せず）から、チェーンブロック５の下方で主フレーム４ａに備えられた下部シーブ８、及びチェーンブロックの側方で主フレーム４ａの上部に備えられたガイドシーブ８ａに巻き掛けられたのち、前記従動フレームに備えられた前方シーブに巻き掛けられ下方に垂下している。チェーンブロック５のロードシーブから後方シーブまでの間、前後２本のロードチェーン６ａ、６ｂは並列して張設されている。
後方トロリ2ａは、後方ロードチェーン６ａを後方シーブ７ａから垂下する位置の上方で連結フレーム４ｃの上部と後方トロリ２ａの下部で連結され、前方トロリ２ｂは、前方ロードチェーン６ｂを前方シーブ７ｂから垂下する位置の上方で従動フレーム４ｂの上部と前方トロリ２ｂの下部で連結され、2点水平電気チェーンブロックは走行レール1に沿って走行する。 In FIG. 3, 1 is a traveling rail horizontally installed on the ceiling or the like, 2a and 2b are rear and front trolleys each having traveling wheels 3 traveling on the traveling rail 1, 4a is a main frame of the hoisting device, and 4b is The driven frame 4c is a connecting frame that connects the main frame 4a and the driven frame 4b. Reference numeral 5 denotes a chain block installed on the main frame 4a, and includes a pair of load sheaves (not shown) for simultaneously winding up and down the rear load chain 6a and the front load chain 6b for lifting and lowering the load. . The pair of load sheaves are driven by a single motor, and are configured to move the front and rear load chains 6a and 6b up and down simultaneously.
The rear load chain 6 a includes a load sheave (not shown) of the chain block 5, a lower sheave 8 provided in the main frame 4 a below the chain block 5, and the main frame 4 a on the side of the chain block 5. It is wound around a guide sheave 8a provided at the upper part, wound around a rear sheave 7a provided at the connection frame 4c, and hangs downward. On the other hand, the front load chain 6b is similar to the rear load chain 6a. From the load sheave (not shown) of the chain block 5, a lower sheave 8 provided on the main frame 4a below the chain block 5, and a guide sheave 8a provided on the upper side of the main frame 4a on the side of the chain block 5. And then hung down on the front sheave of the driven frame. To have. Between the load sheave and the rear sheave of the chain block 5, the two front and rear load chains 6a and 6b are stretched in parallel.
The rear trolley 2a is connected to the upper part of the connecting frame 4c and the lower part of the rear trolley 2a above the position where the rear load chain 6a is suspended from the rear sheave 7a. The front trolley 2b is suspended from the front sheave 7b. The upper part of the driven frame 4b and the lower part of the front trolley 2b are connected above the position where the two-point horizontal electric chain block travels along the traveling rail 1.

９はチェーンブロック５から繰出される無負荷側チェーンが収容されるバケットである。１０ａ、１０ｂはロードチェーン６ａ、６ｂの下端に取設された下フックで、前方ロードチェーン６ｂの下端には下フック取付金具１１と高さ調整用連結金具１２が設けられている。この高さ調整用連結金具１２は、下フック１０ｂとロードチェーン６ｂ下端の間隔を調整することで、各シーブに掛け回され前方及び後方シーブから垂下されたロードチェーン６ａ、６ｂの下端高さ位置の差分を調整し、ロードチェーンによる荷の昇降動作時における荷の傾きを防止する。１３は操作用押釦スイッチである。   Reference numeral 9 denotes a bucket in which a no-load side chain fed from the chain block 5 is accommodated. Reference numerals 10a and 10b denote lower hooks installed at the lower ends of the load chains 6a and 6b. A lower hook mounting bracket 11 and a height adjusting coupling bracket 12 are provided at the lower end of the front load chain 6b. This height adjusting coupling 12 adjusts the distance between the lower hook 10b and the lower end of the load chain 6b, so that the lower end height position of the load chains 6a, 6b hung around the sheaves and suspended from the front and rear sheaves. Is adjusted to prevent the load from tilting when the load is lifted or lowered by the load chain. Reference numeral 13 denotes an operation push button switch.

次に図４を参照して従来の高さ調整用連結金具１２について説明する。高さ調整用連結金具１２は、下部が下フック取付金具１１と連結チェーン１４で連結され、上部に設けたネジ穴１２ａにはチェーン取付金具１５が螺着され、チェーン取付金具１５はロードチェーン６ｂの下端部と鎖ピン１６で連結している。１７は連結チェーン１４を高さ調整用連結金具１２に連結するボルト、１８はチェーン取付金具１５を高さ調整用連結金具１２に固定するロックナット、１９はネジ穴１２ａに螺合するチェーン取付金具１５に設けた雄ネジである。   Next, a conventional height adjusting connecting bracket 12 will be described with reference to FIG. The lower part of the height adjusting connecting member 12 is connected to the lower hook attaching member 11 by the connecting chain 14, the chain attaching member 15 is screwed into the screw hole 12a provided in the upper part, and the chain attaching member 15 is connected to the load chain 6b. Are connected to the lower end of each other by a chain pin 16. 17 is a bolt for connecting the connecting chain 14 to the height adjusting connecting bracket 12, 18 is a lock nut for fixing the chain mounting bracket 15 to the height adjusting connecting bracket 12, and 19 is a chain mounting bracket that is screwed into the screw hole 12a. 15 is a male screw.

２点水平式電気チェーンブロックでの吊り荷の搬送を行う場合、吊り荷の吊り位置幅に合わせてロードチェーン６ａ，６ｂ間のピッチ幅が決定され、ロードチェーン６ｂ側の下フック１０ｂがロードチェーン６ａの下フック１０ａと水平位置となるようにチェーンのリンク長単位でロードチェーン６ｂのチェーン長が調整され、ロードチェーン６ｂのリング長単位では調整しきれないチェーン長を調整するため、前記した高さ調整用連結金具１２がロードチェーン６ｂに装着される。また、ロードチェーン６ｂは後方シーブ７ａ、前方シーブ７ｂ間でたるみが生ずるため、ロードチェーン６ｂの下フック１０ｂにはロードチェーン６ｂのたるみ発生を防止するため、ウエイトが負荷されており、高さ調整用連結金具１２は、ロードチェーン６ｂのたるみ発生を防止するため所定の重量を有している。   When carrying a suspended load with a two-point horizontal electric chain block, the pitch width between the load chains 6a and 6b is determined according to the suspended position width of the suspended load, and the lower hook 10b on the load chain 6b side is connected to the load chain. The chain length of the load chain 6b is adjusted in units of the link length of the chain so as to be in a horizontal position with the lower hook 10a of the 6a, and the above-described height is adjusted to adjust the chain length that cannot be adjusted in units of the ring length of the load chain 6b. The height adjusting coupling 12 is attached to the load chain 6b. Further, since the load chain 6b is slackened between the rear sheave 7a and the front sheave 7b, the lower hook 10b of the load chain 6b is loaded with a weight to prevent the load chain 6b from slacking, and the height adjustment is performed. The connecting metal fitting 12 has a predetermined weight in order to prevent the load chain 6b from sagging.

特開２００６−１１７４２７号公報JP 2006-117427 A

上記した従来技術の下フックの取り付け高さ位置調整用金具の構造では、下フック取付金具１１の上部に連結チェーン１４を介して高さ調整用連結金具１２が連結される構造であるため、ロードチェーン６ｂの下端の取り付け部と下フック６ｂ間の間隔が長くなり、前記高さ調整用連結金具１２の長さ分だけ吊り荷が昇降する間隔が短縮するという課題を有していた。   In the structure of the lower hook mounting height position adjusting bracket described above, the height adjusting connecting bracket 12 is connected to the upper portion of the lower hook mounting bracket 11 via the connecting chain 14. There was a problem that the distance between the attachment portion at the lower end of the chain 6b and the lower hook 6b was increased, and the distance at which the suspended load was moved up and down was reduced by the length of the height adjusting connecting bracket 12.

また、下フック１６ｂに下フック取付金具１１を連結し、さらに下フック取付金具１１に連結チェーン１４を介して高さ調整用連結金具１２を連結する構造であるため、部品点数が多く、かつ高さ調整用金具の取付操作が複雑になるという課題を有していた。   In addition, since the lower hook mounting bracket 11 is connected to the lower hook 16b, and the height adjusting connecting bracket 12 is further connected to the lower hook mounting bracket 11 via the connecting chain 14, the number of parts is high and high. There has been a problem that the mounting operation of the metal fitting for height adjustment becomes complicated.

本発明は上記課題を解決するもので、２箇所吊りチェーン巻上装置における下フック取り付け金具であって、前記下フック取り付け金具は下部に下フックの棒状係合部が嵌合する挿入穴と、挿入穴の上部に前記棒状係合部に嵌合するスラストベアリングを嵌装する第１段部と、前記棒状係合部の上部に設けた溝部に嵌合する座金を嵌装する第２段部を備え、本体上部に前記第２段部に連通し、ロードチェーンと連結するチェーン取付金具が螺嵌されるねじ穴を備えたことを特徴とする２箇所吊りチェーン巻上装置における下フック取り付け金具である。   The present invention solves the above-mentioned problem, and is a lower hook mounting bracket in a two-point hanging chain hoisting device, wherein the lower hook mounting bracket includes an insertion hole into which a bar-shaped engaging portion of the lower hook is fitted at the lower portion, A first step portion that fits a thrust bearing that fits into the rod-like engagement portion at the upper portion of the insertion hole, and a second step portion that fits a washer that fits into a groove portion provided at the upper portion of the rod-like engagement portion. And a lower hook mounting bracket in a two-point hanging chain hoisting device, wherein the upper portion of the main body includes a screw hole that is connected to the second step portion and is threadedly fitted to the chain mounting bracket. It is.

また、前記座金は前記棒状係合物の溝部に嵌合する２つ割り座金と前記２つ割り座金に外嵌する固定座金であることを特徴とする。   Further, the washer is a two-part washer that fits into a groove portion of the rod-like engagement object and a fixed washer that fits outside the two-part washer.

また、前記２つ割り座金を棒状係合部の頭部で固定し、固定座金を浮き上り防止用ピンで固定したことを特徴とする。   Further, the two-part washer is fixed at the head of the rod-shaped engaging portion, and the fixed washer is fixed with a lifting prevention pin.

本発明によれば、下フック取り付け金具にロードチェーンと下フックを取り付ける間隔を調整する機構を備えているので、従来技術の課題であった、ロードチェーンの下端の取り付け部と下フック間の間隔を従来技術より短縮できるため、吊り荷の昇降間隔を十分に確保することができる。さらに、部品点数が少なく、かつ下フックの取り付けまたは取り外し操作も、下フック取り付け金具の上部に設けたねじ穴からスラストベアリング、座金を挿入することで容易に前記部品を下フックの棒状係合部に嵌合することができるため、組み立て・調整作業を容易に行うことができる。   According to the present invention, since the mechanism for adjusting the interval at which the load chain and the lower hook are attached to the lower hook mounting bracket is provided, the interval between the lower end mounting portion of the load chain and the lower hook, which has been a problem of the prior art Can be shortened as compared with the prior art, so that the lifting interval of the suspended load can be sufficiently secured. Furthermore, the number of parts is small, and the lower hook can be attached or removed easily by inserting a thrust bearing or washer from the screw hole provided in the upper part of the lower hook mounting bracket. Therefore, assembly / adjustment work can be easily performed.

本発明の下フック取り付け金具の縦断面図。The longitudinal cross-sectional view of the lower hook attachment metal fitting of this invention. 図１の横断面図。FIG. 2 is a cross-sectional view of FIG. 1. ２箇所吊りチェーン巻上装置の正面図。The front view of a 2-point suspension chain hoisting device. 従来のチェーン高さ調整用下金具。Conventional lower bracket for chain height adjustment.

以下本発明の下フック取り付け金具について図１及び図２を参照して説明する。   The lower hook mounting bracket of the present invention will be described below with reference to FIGS.

図１において、２０は所定の高さと重量を有する下フック取り付け金具で、この下フック取り付け金具の下部には、下フック１０ｂの上端部に形成された棒状係合部２１が嵌合する挿入穴２２が設けられており、挿入穴２２の上部には、スラストベアリング２６が嵌装される第１段部２３が設けられ、第１段部２３の上部には、後記する座金が嵌装される第２段部２４が設けられている。さらに、下フック取り付け金具２０の本体上部中心から下方に向けて後記するチェーン取付金具３３を螺嵌するねじ穴２５が設けられている。前記ねじ穴２５は下フック取り付け金具の上部から第２段部２４に連通し、その内径は第２段部２４と同径以上としている。前記第２段部２４に嵌装される座金は、２つ割り座金２７と２つ割り座金２７に外嵌される固定座金２８からなり、２つ割り座金２７は下フック１０ｂの棒状係合部２１の上部に設けた溝部２９に嵌合され、２つ割り座金２７に固定座金２８を外嵌し、固定座金２８を第２段部２４に嵌装することで、下フック１０ｂはその頭部３０で２つ割座金２７に支持され、２つ割座金２７はスラストベアリング２６によって回転可能に支持されるので下フック１０ｂは下フック取り付け金具に回転可能に支持される。３１は下フック取り付け金具２０の側部に設けたねじ挿入穴３２から横方向に螺挿され、固定座金２８の上面に接合して固定座金の浮き上りを防止する浮き上り防止用ピンである。チェーン取付金具３３には下フック取り付け金具２０に設けたねじ穴２５に螺嵌する雄ねじ３４が設けられており、チェーン取付金具３３とロードチェーン６ｂは鎖ピン３５で連結されている。３６はチェーン取付金具３３の下フック取り付け金具に対する回り止め用ロックボルトである。   In FIG. 1, reference numeral 20 denotes a lower hook mounting bracket having a predetermined height and weight, and an insertion hole into which a rod-like engagement portion 21 formed at the upper end portion of the lower hook 10b is fitted at the lower portion of the lower hook mounting bracket. 22 is provided, and a first step portion 23 in which a thrust bearing 26 is fitted is provided in the upper portion of the insertion hole 22, and a washer described later is fitted in the upper portion of the first step portion 23. A second step portion 24 is provided. Further, a screw hole 25 is provided in which a chain mounting bracket 33 which will be described later is screwed downward from the upper center of the main body of the lower hook mounting bracket 20 downward. The screw hole 25 communicates with the second step portion 24 from the upper part of the lower hook mounting bracket, and has an inner diameter equal to or larger than that of the second step portion 24. The washer fitted to the second step portion 24 includes a split washer 27 and a fixed washer 28 fitted to the split washer 27. The double washer 27 is a rod-like engaging portion of the lower hook 10b. The lower hook 10b is fitted to the groove 29 provided at the upper portion of 21 and the fixed washer 28 is externally fitted to the split washer 27, and the fixed washer 28 is fitted to the second step portion 24 so that the lower hook 10b has its head. 30 and the two split washers 27 are rotatably supported by the thrust bearing 26, so that the lower hook 10b is rotatably supported by the lower hook mounting bracket. Reference numeral 31 denotes a lifting prevention pin that is screwed in a lateral direction from a screw insertion hole 32 provided in a side portion of the lower hook mounting bracket 20 and is joined to the upper surface of the fixed washer 28 to prevent the fixed washer from rising. The chain mounting bracket 33 is provided with a male screw 34 that is screwed into the screw hole 25 provided in the lower hook mounting bracket 20, and the chain mounting bracket 33 and the load chain 6 b are connected by a chain pin 35. Reference numeral 36 denotes a locking bolt for locking against the lower hook mounting bracket of the chain mounting bracket 33.

本実施の形態の下フック取り付け金具における下フック１０ｂの取付操作について説明する。   The operation of attaching the lower hook 10b in the lower hook attaching bracket of the present embodiment will be described.

下フック取り付け金具２０の下部に設けた挿入穴２２に下フック１０ｂの棒状係合部２１を嵌挿し、上部に設けたねじ穴２５からスラストベアリング２６を挿入して棒状係合部２１に嵌合し、スラストベアリング２６を第１段部に嵌装する。次に、ねじ穴２５から２つ割り座金２７を挿入して棒状係合部２１の溝部２９に嵌合し、次に、ねじ穴２５から固定座金２８を挿入して、２つ割り金具２７に外嵌し、２つ割り座金２７が棒状係合部２１の溝部２９から外側にはずれるのを防止し、固定座金２８を第２段部２４に嵌装し、浮き上り防止用ピン３１で固定座金２８をスラストベアリング２６と挟んで固定することで、下フック１０ｂを下フック取り付け金具に回転可能に固定する。次に、ロードチェーン６ｂの下端を鎖ピン３５で連結したチェーン取付金具３３を下フック取り付け金具２０のねじ穴２５に螺嵌し、チェーン取付金具３３のねじ込み量を調整することで、前方の下フック１０ｂの取り付け高さ位置を後方の下フック１０ａの取り付け高さ位置に一致させ、ロックボルト３６でチェーン取付金具３３を下フック取り付け金具２０に固設する。   The rod-like engagement portion 21 of the lower hook 10 b is fitted into the insertion hole 22 provided at the lower portion of the lower hook mounting bracket 20, and the thrust bearing 26 is inserted from the screw hole 25 provided at the upper portion to fit into the rod-like engagement portion 21. Then, the thrust bearing 26 is fitted into the first step portion. Next, the two split washers 27 are inserted from the screw holes 25 and fitted into the groove portions 29 of the rod-like engagement portion 21, and then the fixed washers 28 are inserted from the screw holes 25 to form the split metal fittings 27. It is fitted externally and the split washer 27 is prevented from coming off from the groove 29 of the rod-like engaging portion 21, the fixed washer 28 is fitted to the second step portion 24, and the fixed washer is secured by the lifting prevention pin 31. By fixing 28 with the thrust bearing 26, the lower hook 10b is rotatably fixed to the lower hook mounting bracket. Next, the chain mounting bracket 33 in which the lower end of the load chain 6b is connected by the chain pin 35 is screwed into the screw hole 25 of the lower hook mounting bracket 20, and the screwing amount of the chain mounting bracket 33 is adjusted, so The mounting height position of the hook 10 b is matched with the mounting height position of the rear lower hook 10 a, and the chain mounting bracket 33 is fixed to the lower hook mounting bracket 20 with the lock bolt 36.

以上の通り、本実施の形態の下フック取り付け金具２０は、簡単な操作により下フック１０ｂとロードチェーン６ｂを連結することができ、ロードチェーン６ｂの下フック１０ｂをロードチェーン６ａの下フック１０ａと水平位置となるように、ロードチェーン６ｂと下フック１０ｂの間隔を調整することができる。   As described above, the lower hook mounting bracket 20 of the present embodiment can connect the lower hook 10b and the load chain 6b with a simple operation, and the lower hook 10b of the load chain 6b is connected to the lower hook 10a of the load chain 6a. The distance between the load chain 6b and the lower hook 10b can be adjusted so as to be in the horizontal position.

なお上記実施の形態において、２つ割り座金２７を用いた形態として説明したが、前記座金に限定されるものではない。   In addition, in the said embodiment, although demonstrated as a form using the split washer 27, it is not limited to the said washer.

２０ フック取り付け金具
２１ 棒状係合部
２２ 挿入穴
２３ 第１段部
２４ 第２段部
２５ ねじ穴
２６ スラストベアリング
２７ ２つ割り座金
２８ 固定座金
２９ 溝部
３０ 頭部
３１ 浮き上り防止用ピン
３３ チェーン取付金具 20 Hook mounting bracket 21 Rod-like engaging portion 22 Insertion hole 23 First step portion 24 Second step portion 25 Screw hole 26 Thrust bearing 27 Split washer 28 Fixed washer 29 Groove portion 30 Head portion 31 Lifting prevention pin 33 Chain attachment Metal fittings

Claims (2)

２箇所吊りチェーン巻上装置における下フック取り付け金具であって、前記下フック取り付け金具の下部に下フックの棒状係合部が嵌合する挿入穴と、挿入穴の上部に前記棒状係合部に嵌合するスラストベアリングを嵌装する第１段部と、前記棒状係合部の上部に設けた溝部に嵌合する座金を嵌装する第２段部を備え、本体上部に前記第２段部に連通し、ロードチェーンと連結するチェーン取付金具が螺嵌されるねじ穴を備えたことを特徴とする２箇所吊りチェーン巻上装置における下フック取り付け金具。   A lower hook mounting bracket in a two-part hanging chain hoisting device, wherein an insertion hole in which a lower hook engaging bracket is fitted into a lower hook mounting bracket, and an upper portion of the insertion hole is connected to the lower hook engaging bracket. A first step portion for fitting a thrust bearing to be fitted, and a second step portion for fitting a washer to be fitted in a groove portion provided at the upper portion of the rod-like engagement portion, and the second step portion at the upper part of the main body. A lower hook mounting bracket in a two-point hanging chain hoisting device, comprising a screw hole into which a chain mounting bracket connected to a load chain is screwed. 前記座金は前記棒状係合物の溝部に嵌合する２つ割り座金と前記２つ割り座金に外嵌する固定座金であることを特徴とする請求項１記載の２箇所吊りチェーン巻上装置における下フック取り付け金具。   The two-part suspension chain hoisting device according to claim 1, wherein the washer is a two-part washer that fits into a groove portion of the rod-like engagement object and a fixed washer that fits around the two-part washer. Lower hook mounting bracket.
JP2009037678A 2009-02-20 2009-02-20 Lower hook mounting bracket in two-place hanging chain hoisting device Pending JP2010189179A (en)

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CN102992180A (en) * 2012-11-19 2013-03-27 常州海力船用设备有限公司 Marine 100-ton lifting hook group
CN102992185A (en) * 2012-11-19 2013-03-27 常州海力船用设备有限公司 Marine 8-ton lifting hook group
CN102992181A (en) * 2012-11-19 2013-03-27 常州海力船用设备有限公司 Hook group for double-bridge type crane
CN103950829A (en) * 2014-05-13 2014-07-30 郭斌 Hoisting hook head for ship
CN104649164A (en) * 2015-03-09 2015-05-27 山东电力建设第一工程公司 Heavy object hoisting device
CN104773651A (en) * 2015-01-29 2015-07-15 象王重工股份有限公司 Large tonnage hook capable of preventing rotary jamming
CN105858454A (en) * 2016-06-21 2016-08-17 合肥市神雕起重机械有限公司 Conveniently swerved crane hook
CN108016983A (en) * 2017-12-25 2018-05-11 辽宁三三工业有限公司 A kind of lifting suspension hook of shield machine segment sill bolt vacuum cup
CN111071946A (en) * 2019-12-24 2020-04-28 太重（天津）滨海重型机械有限公司 Automatic hanging and releasing device and using method thereof

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102992180A (en) * 2012-11-19 2013-03-27 常州海力船用设备有限公司 Marine 100-ton lifting hook group
CN102992185A (en) * 2012-11-19 2013-03-27 常州海力船用设备有限公司 Marine 8-ton lifting hook group
CN102992181A (en) * 2012-11-19 2013-03-27 常州海力船用设备有限公司 Hook group for double-bridge type crane
CN103950829A (en) * 2014-05-13 2014-07-30 郭斌 Hoisting hook head for ship
CN104773651A (en) * 2015-01-29 2015-07-15 象王重工股份有限公司 Large tonnage hook capable of preventing rotary jamming
CN104649164A (en) * 2015-03-09 2015-05-27 山东电力建设第一工程公司 Heavy object hoisting device
CN105858454A (en) * 2016-06-21 2016-08-17 合肥市神雕起重机械有限公司 Conveniently swerved crane hook
CN108016983A (en) * 2017-12-25 2018-05-11 辽宁三三工业有限公司 A kind of lifting suspension hook of shield machine segment sill bolt vacuum cup
CN111071946A (en) * 2019-12-24 2020-04-28 太重（天津）滨海重型机械有限公司 Automatic hanging and releasing device and using method thereof
CN111071946B (en) * 2019-12-24 2021-05-07 太重（天津）滨海重型机械有限公司 Automatic hanging and releasing device and using method thereof

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