M415906 五、新型說明： 【新型所屬之技術領域】 本新型是有關於一種起重夾具，特別是指—種抓 斗式起重失具。 【先前技術】 如圖1與圖2所示，是一起重機械的抓斗式夾具 1’包含一頂座11、四抓臂12、四油壓缸13，以及四 樞接單元14。 該頂座11具有一中心座體ill，以及四相間隔地 设置在該中心座體111之一周面的延伸座體112，每一 延伸座體112具有二相面對的連接板ι13。所述四抓臂 12之一頂部是分別柩接在所述四延伸座體112之二連 接板113之間。所述四油壓缸13之一頂部是分別樞接 在所述四延伸座體112之二連接板113之間，且所述四 油壓知：13之一底部是分別插伸並樞接在所述四抓臂j 2 之一中空狀的底部中。 每一樞接單元14是用以將相對應之一延伸座體 112、一抓臂12與一油壓缸13連接在一起，並具有一 貫穿該延伸座體112之二連接板113與該油壓缸13之 頂部的第一螺釘141、一螺鎖在該第一螺釘141之凸出 該連接板113外之一端的第一螺帽142、一貫穿所述二 連接板113與該抓臂12之頂部的第二螺釘143、一螺 鎖在該第二螺釘143之凸出該連接板U3外之一端的第 二螺帽144、一貫穿該抓臂12與該油壓缸13之底部的 3 之凸出該 第三螺釘145’以及一螺鎖在該第三螺釘i45 抓I 12之一側面之一端的第三螺帽。 资定远迺所述 _ A i 一〜〜难rp勃，采控制 所述四抓臂12進行開合作動。例如，如圖！所示，所 述四油壓缸13為收縮作動’以驅使所述四抓臂12向 上揚擺呈張開狀態，此後，所述四油壓缸13則能伸展 作動，以驅使所述四抓臂12下擺呈合攏狀態。 …、:而，在所述油壓缸13伸縮作動以驅使所述抓臂 12相對所述延伸錢⑴上下擺動的過程中，同時會 帶動所述第一螺釘141與所述第二螺釘143旋轉，而 跟所述延伸座體U2之連接板113產生磨擦，同理地， 所述第三螺釘145也會旋轉而與所述抓臂12產生磨 擦，長期下來，便容易造成所述第一螺釘141、所述第 一螺釘143與所述第三螺釘145產生磨損現象，影響 到該抓斗式夾具1整體在運作時的順暢度與安全性， 相對也會增加操作維護成本。 【新型内容】 因此，本新型之目的，即在提供一種高作業安全 性’且操作維護成本低的起重夾具。 於是，本新型之起重夾具，包含一頂座、多數抓 #、多數伸縮件’以及多數樞接單元。該頂座具有一 中心座體，以及多數相間隔地設置在該中心座體之— 周面的延伸座體，每一延伸座體具有二相面對的連接 板。所述抓臂之一頂部是分別樞接在所述延伸座體之 二連接板之間。所述伸縮件之一頂部是分別樞接在所 述延伸座體之二連接板之間，且所述伸縮件之一底部 是分別樞接所述抓臂之一底部。每一樞接單元是用以 將相對應之一延伸座體、一抓臂與一伸縮件樞接在一 起，並具有一貫穿該延伸座體之二連接板與該伸縮件 之頂部的第一樞轴、一設置在該第一樞軸之凸出其中 一連接板之一端的第一制轉片，以及一用以使該第一 制轉片與該連接板固定在一起的第一固定件。 本新型之功效在於，在伸縮件伸縮作動並同時相 對延伸座體上下擺動的過程中，利用第一固定件使第 一制轉片固定在連接板上的方式，讓第一枢軸不會相 對延伸座體旋轉，避免產生磨損現象，從而，本新型 能產生高作業安全性與低維護成本等效。 【實施方式】 有關本新型之前述及其他技術内容、特點與功 效，在以下配合參考圖式之四個較佳實施例的詳細說 明中，將可清楚的呈現。 在本新型被詳細描述之前，要注意的是，在以下 的說明内谷中’類似的元件是以相同的編號來表示。 如圖3至圖5所示，本新型之起重夹具的一第一 較佳實把例’是包含一頂座2、四抓冑3、四伸縮件 4’以及四樞接單元5。 該頂座2具有一中心座體21，以及四等角間隔地 -又置在該中〜座體21之一周面的延伸座體22;每一延 伸座體22具有二相面對的連接板23、24。 所述四抓臂3之一頂部是分別樞接在所述四延伸 座體22之二連接板23、24之間。 所述四伸縮件4之一頂部是分別枢接在所述四延 伸座體22之二連接板23、24之間，所述四伸縮件4 之一底部是分別樞接在所述四抓臂3之一中空狀的底 部中。在本實施例，所述伸縮件4是油壓缸。 每一樞接單元5是用以將相對應之一延伸座體 22、一抓臂3與一伸縮件4樞接在一起。 每一樞接單元5具有一貫穿該二連接板23、24與 該伸縮件4之頂部的第一樞軸51、一設置在該第一樞 軸51之凸出該連接板23之一端的第一制轉片52、一 用以使該第一制轉片52與該連接板23固定在一起的 固疋件53，以及一设置在該第一柩軸51之凸出該 連接板24之另一端的第一防脫件54。在本實施例該 第一制轉片52具有一焊接固定在該第一樞軸51之該 :且為圓環形狀的軸片部521，以及一同體連接該軸片 邙521之一周側且略呈四方形狀的延伸部,事實 上該第一制轉片52與該第一樞軸51二者也可以 一體成形製。M415906 V. New description: [New technical field] The new type is related to a lifting fixture, especially a grab-type lifting gear. [Prior Art] As shown in Figs. 1 and 2, the heavy mechanical grab type jig 1' includes a top seat 11, four grip arms 12, four hydraulic cylinders 13, and four pivoting units 14. The top seat 11 has a center seat ill, and an extended seat body 112 which is disposed at four intervals on one circumferential surface of the center block body 111, and each of the extension base bodies 112 has a two-phase facing connecting plate 135. One of the tops of the four gripping arms 12 is respectively connected between the two connecting plates 113 of the four extending bases 112. One of the four hydraulic cylinders 13 is pivotally connected between the two connecting plates 113 of the four extending bases 112, and the bottom of one of the four hydraulic pressures: 13 is respectively inserted and pivoted One of the four gripping arms j 2 is in the hollow bottom. Each of the pivoting units 14 is configured to connect a corresponding one of the extending bases 112, a gripping arm 12 and a hydraulic cylinder 13 and has a connecting plate 113 extending through the extending base 112 and the oil. a first screw 141 at the top of the pressure cylinder 13 , a first nut 142 screwed to one end of the first screw 141 protruding from the outer side of the connecting plate 113 , a through the two connecting plates 113 and the grab arm 12 a second screw 143 at the top of the second screw 144 of the second screw 143 protruding from one end of the connecting plate U3, and a bottom portion extending through the grip arm 12 and the bottom of the hydraulic cylinder 13 The third screw 145' protrudes and a third nut that is screwed to one end of one side of the third screw i45. The capital is far from the above _ A i ~ ~ difficult rp, mining control The four grab arms 12 for cooperation. For example, as shown! As shown, the four hydraulic cylinders 13 are in a retracting motion to drive the four gripping arms 12 to an upwardly swinging state. Thereafter, the four hydraulic cylinders 13 can be extended to actuate the four gripping cylinders. The hem of the arm 12 is in a closed state. In the process of the expansion and contraction of the hydraulic cylinder 13 to drive the gripping arm 12 to swing up and down relative to the extension money (1), the first screw 141 and the second screw 143 are simultaneously rotated. And the connecting plate 113 of the extension base U2 generates friction. Similarly, the third screw 145 also rotates to generate friction with the grip arm 12, and the first screw is easily caused for a long time. 141. The first screw 143 and the third screw 145 generate a wear phenomenon, which affects the smoothness and safety of the overall operation of the grab type jig 1 and relatively increases the operation and maintenance cost. [New content] Therefore, the object of the present invention is to provide a lifting jig with high work safety and low operating and maintenance costs. Thus, the lifting fixture of the present invention comprises a top seat, a plurality of grabs, a plurality of telescopic members, and a plurality of pivoting units. The top seat has a center block and a plurality of spaced apart spaced apart seats disposed on the circumferential surface of the center block, each of the extending blocks having two facing panels. One of the tops of the grab arms is pivotally connected between the two connecting plates of the extending base. One of the tops of the telescopic members is pivotally connected between the two connecting plates of the extending base, and one of the bottoms of the telescopic members is pivotally connected to one of the bottoms of the grab arms. Each pivoting unit is configured to pivotally connect a corresponding one of the extending body, a grab arm and a telescopic member, and has a first connecting plate extending through the extending body and a first portion of the extending member a first rotating piece disposed on one end of the first pivot protruding from one of the connecting plates, and a first fixing piece for fixing the first rotating piece and the connecting plate together . The function of the present invention is that the first pivoting member is fixed to the connecting plate by the first fixing member during the expansion and contraction of the telescopic member and simultaneously swinging up and down relative to the extending body, so that the first pivoting shaft does not extend relative to each other. The seat rotates to avoid wear and tear, so that the new type can produce high operational safety and low maintenance cost equivalent. The above and other technical contents, features, and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. Before the present invention is described in detail, it is to be noted that in the following description, like elements are denoted by the same reference numerals. As shown in Figs. 3 to 5, a first preferred embodiment of the lifting jig of the present invention comprises a top seat 2, a four gripper 3, a four telescopic member 4' and four pivoting units 5. The top seat 2 has a center seat body 21, and an extended seat body 22 which is disposed at four equiangular intervals and is disposed on a circumferential surface of the center body 21. Each of the extension base bodies 22 has a two-phase facing connecting plate. 23, 24. One of the tops of the four gripping arms 3 is pivotally connected between the two connecting plates 23, 24 of the four extending bases 22, respectively. One of the four telescopic members 4 is pivotally connected between the two connecting plates 23 and 24 of the four extending bases 22, and one of the four telescopic members 4 is pivotally connected to the four gripping arms respectively. 3 in one of the hollow bottoms. In the present embodiment, the telescopic member 4 is a hydraulic cylinder. Each of the pivoting units 5 is for pivoting a corresponding one of the extending bases 22, a gripping arm 3 and a telescopic member 4. Each pivoting unit 5 has a first pivot 51 extending through the top of the two connecting plates 23, 24 and the telescopic member 4, and a first protruding portion of the first pivot 51 protruding from one end of the connecting plate 23. a rotating piece 52, a fixing member 53 for fixing the first rotating piece 52 and the connecting plate 23, and a protruding portion of the first folding shaft 51 protruding from the connecting plate 24 The first retaining member 54 at one end. In the embodiment, the first rotor 52 has a shaft portion 521 which is welded and fixed to the first pivot 51 and has an annular shape, and a body is connected to one side of the shaft 521 and slightly In the shape of a quadrangular extension, in fact, both the first rotor 52 and the first pivot 51 can be integrally formed.
以用來擋止該第— ” 該第®&件53具有-設置在該連接板23 522之一局部扣入的 '能抽離地栓插在該第一限位體 —制轉片52脫出的第一彈銷 =。在本實施例，該第一限位體53i是為”形狀； . =第一彈銷532是由一彈性體對折而成，於栓插在該 第一限位體531上時，會施予該第一限位體531 一抗 變形的反彈力，藉以能強化該第—彈銷532於該第一 限位體531上的定位效果。 該第-防脫件54具有一螺鎖在該第一插軸Μ之 #端上的第-螺帽541，以及_徑向貫穿該第一框轴 51之該端且其相反二端反折以夹抱該第—樞轴$ 端的第—插桿5仏其中，該第__插桿542能抵撐該第〆 Z螺帽⑷之遠離該連接板24之__端面，確保該第一 樞轴51不會鬆脫該第一螺帽541。 I柩接單兀5還具有—貫穿所述二連接板23、 =與該抓臂3之頂部的第二框軸51，、—焊接在該第二 插抽5!，之凸出該連接板23之__端的第二制轉片52,、 用以使該第二制轉片52’與該連接板U固定在 • 的第二固定件53，，以及-設置在該第二樞軸51，之凸 A該連接板24之另一端的第二防脫件％。該第二制 • Ί52’的結構是與該第—制轉片52的結構相同，不 詳述該第—制轉片52與該第二框轴也可以 一體同形製。 其中，該第二固定件53,具有一設置在該連接板幻 上且供該第二制轉片52，之一局部扣入的第二限位體 531’’以及-能抽離地栓插在該第二限位體531 用來擋止該第二制轉片52，脫出的第二彈銷M2，。同樣 7 M415906 地’該第二限位體53丨’也是為U字形狀，該第二彈銷 532’也是由一彈性體對折而成。 丨丁六π %胡牡琢弟二樞轴 3 17之 該端上的第二螺帽541，，以及—徑向貫穿該第二樞軸 51之該端且其相反二端反折以夾抱該第二樞轴5丨，之 該端的第二插桿542，，該第二插桿542,也能抵撐該第 二螺帽541’之遠離該連接板24之—端面。 每一樞接單元5還具有一貫穿該伸縮件4之底部 與該抓臂3之底部的第三栖轴55、―焊接在該第三框 軸之凸出該抓臂3之一側面之一端的第三制轉片 %、-用以使該第三制轉片％固定在該抓臂3之該側 =的第三固定件57,以及一設置在該第三樞轴”之 該抓臂3之另—側面之另—端的第三防脫件 該第二制轉片56與該第一 同樣也能與該第r拖站^ 的'，Ό構相同，且 乐一柜軸55為一體同形製。 其1ί7，第三固定件57具有一 側面上且#1第°又置在該抓臂3之該 工且伢；I第二制轉片56 m 571 , lv « a, 局。卩扣入的第三限位 體⑺収-③抽離地栓插在該第三限 用來擋止該第三制轉# 體571上以 刑轉片56脫出的第三彈銷572。円祥 地，該第三限位體571 同樣 也疋U字形狀，該第= 也是由一彈性體對折而成。 弟一彈銷572 “第防脫件58具有—螺鎖在該 該端上的第三螺帽581，以切 〜柘軸55之 55之該端且其相反- 瓜**貫穿該第三樞軸 端反折以夹抱該第三抱轴55之該 8 M415906 端的第三插桿582,該第三插桿582也能抵撐該第三螺 帽581之退離該抓臂3之一端面。 如圖3所示，所述四伸縮件4是同時呈伸展作 動，以能驅使所述四抓臂3同時下擺呈合攏狀態，相 反地，只要控制所述四伸縮件4同時進行收縮作動， 便能驅使所述四抓f 3同時向上揚擺呈張開狀態。 特別是，在所述伸縮件4伸縮作動以驅使所述抓 臂3相對該頂座2上下擺動時，所述伸縮件*也會相 =該頂座2上下擺動’在此過程中，利用所述第一固 定件53、第二固定件53,分別使所述第一制轉片η、 第二制轉片52’固定在所述連接板23上的方式，確保 所述第-樞轴51、第二樞軸51，無法相對所述延伸座體 22旋轉’同理地’利用所述第三固定件57使所述第三 制轉片56固定在所述抓f 3之側面上的方式，確保所 述第三樞軸55無法相對所述抓臂3旋轉，如此一來， :更能防止所述第一 _ 51、第二樞轴51，、第三樞軸 m延伸座體22、所述抓臂3有所磨擦，有效避 \樞軸51、第二樞軸51’、第三樞軸55產生 貝或鬆動等現象’從而’讓本新型能產生高作孝安 全性與低操作維護成本#1 力效。 〇作業女 另外要說明的是，在本新型的運作 所述第一樞軸51、斛，货_ 由於 5 述第—樞軸51’與所述第三樞軸 以’不會旋轉，故產生轴向移動的機率相當小所 第一防脫件54、所述第二防脫件M，與所述第 9 M415906 三防脫件58是可以略除的，更甚者’所述第-彈鎖 ⑴、所述第二彈銷532,與所述第三彈銷572等元件也 是可以4略的’如此並不會造成所述第-極軸51、所 述第二插軸51’與所述第三拖軸55有鬆脫的疑慮。 如圖6所示，為本新型之起重夹具的一第二較佳 實施例，與上述該第一較佳實施例不同處在於，每一 框接單元5之第-固定件53、第二固定件53 定件57皆是-螺釘，該第-固定件53、該第二固= ”，分別能將相對應之該第一制轉片52、該第二制轉片 52,二者與該連接板23螺鎖固定在_^，而該第三固定 件5:便是能將該第三制轉片56與該抓臂3之一側螺 鎖固疋在起’圖中僅顯示*該第—固定件53、該連 接板23與該第-制轉片52三者的組立關係。 同樣地，本實施例也能產生高作業安全性 作維護成本等功效。 如圖7所不，為本新型之起重夹具的一第三較佳 實施與上述該第一較佳實施例不同處在於，每— 樞接早το 5之第—固^件53的第—限位體531、第二 固定件53’的第-限你牌<，，， 弟一限位體531 、第三固定件57的第三 限位體571皆是由上下相間隔面對的三方塊㈣心 同樣能分別讓相對應之第—制轉片52、第二制轉片α 與第三_片56扣卡限位在其中，並分別供該第-彈 銷⑴、該第二彈銷532，、該第三彈銷572分別插穿定 位於其上，以圖中僅顯示出之該第一限位體531、該第 10 ^轉片52與該第—彈鎖532三者的組立關係來看 ^第—限位體531與該第一毬鉑^ 雙十字形態。…第彈銷切二者是構呈-個 同樣地’本實施例也能產生高作業安全 作維護成本等功效。 、低刼 如圖8所不’為本新型之起重夾具的一第四較佳 =例，與上述該第-較佳實施例不同處在於，每— ^單元5之第一制轉片52具有-焊接該第-插轴51 :^部52卜以及-同體連接該軸片部521之一周侧 立為雙又形狀的延伸部523。 再者，每-拖接單元5之第一固定件53之 位體531為能嵌卡在相對應之第-制轉片52之延” 7中的扁形方塊者’而該第—彈銷⑴則是插穿定位 在該第-限位體531上以相配合構呈—個十字形態。 至於每一插接單元5之第二制轉片52，、第二固定 件53’、第三制轉片56、第三固定件57的結構，是相 同於上述第一制轉片52、第一固定件Μ的結構，所以 圖中不再顯示出。 >當然，本實施例也能產生高作業安全性與低操作 維護成本等功效。 准乂上所述者’僅為本新型之較佳實施例而已， 當不能以此限定本新型實施之範圍，即大凡依本新型 申請專利範圍及新型說明内容所作之簡單的等效變化 與修飾，皆仍屬本新型專利涵蓋之範圍内。 M415906 【圖式簡單說明】 圖1是一立體圖，說明現有一起重機械之一抓斗 式夾具的結構； 圖2是取自於圖1的一局部放大圖； 圖3是一側視圖，說明本新型之起重夹具的一第 一較佳實施例； 圖4是一立體分解圖，說明該第一較佳實施例之 一伸縮件之一頂部、一延伸座體，以及一樞接單元之 一第一樞軸、一第一制轉片、一第一固定件與一第一 防脫件等構件的相對關係； 圖5是圖4的一立體組合圖； 圖6是一局部側視圖，說明本新型之起重夾具的 一第二較佳實施例，其一第一固定件是一螺釘； 圖7是一局部側視圖，說明本新型之起重夾具的 第一較佳實施例，其相對應之一第一固定件與一第 一制轉片的結構；以及 ~ 一圖8是一局部側視圖’說明本新型之起重夹具的 -第四較佳實施例’其相對應之一第一固定件盥一第 一制轉片的結構。 12 M415906The first & member 53 has a portion that is disposed at one of the connecting plates 23 522 and is detachably inserted into the first limiting body - the rotor 52 The first spring pin that is disengaged =. In the embodiment, the first limiting body 53i is "shape". The first spring pin 532 is formed by folding an elastic body, and the bolt is inserted in the first limit. When the position body 531 is on, the first limiting body 531 is biased against the deformation of the first limiting body 531, so that the positioning effect of the first elastic pin 532 on the first limiting body 531 can be enhanced. The first retaining member 54 has a first nut 541 screwed on the # end of the first yoke, and _ radially penetrates the end of the first frame shaft 51 and the opposite ends thereof are folded back The first plunging rod 5 is clamped by the first plunging rod end 542, and the __ plucking rod 542 can abut the __ end surface of the 〆Z nut (4) away from the connecting plate 24 to ensure the first The pivot 51 does not loosen the first nut 541. The 柩 兀 还 5 further has a second frame shaft 51 extending through the two connecting plates 23, = and the top of the grab arm 3, and welding to the second plug 5! a second rotor 52 of the __ end of the 23, a second fixing member 53 for fixing the second rotor 52' and the connecting plate U, and - disposed on the second pivot 51 The convex A is the second retaining member % of the other end of the connecting plate 24. The structure of the second system 52' is the same as that of the first rotor 52. The first rotor 52 and the second frame shaft may be integrally formed in the same manner. The second fixing member 53 has a second limiting body 531 ′′ disposed on the connecting plate and provided for the second rotating piece 52 to be partially engaged. The second limiting body 531 is configured to block the second rotating piece 52 and the second protruding pin M2 that is disengaged. Similarly, the 7 M415906 ground second retaining body 53A' is also U-shaped, and the second spring pin 532' is also folded in an elastic body. a second nut 541 on the end of the second pivot shaft 3 17 of the Kenting six π % Hu 琢 ,, and - radially extending through the end of the second pivot 51 and opposite ends of the second pivot 51 The second pivot 5丨, the second plunger 542 at the end, and the second plunger 542 can also abut the end surface of the second nut 541′ away from the connecting plate 24. Each pivoting unit 5 further has a third perturbation shaft 55 extending through the bottom of the telescopic member 4 and the bottom of the gripping arm 3, and one end of one side of the gripping arm 3 that is welded to the third frame shaft. a third rotor piece %, a third fixing member 57 for fixing the third rotor piece % to the side of the grip arm 3, and a grip arm disposed on the third pivot shaft The other part of the other side of the third side of the third side of the second piece of the rotation piece 56 and the first can also be the same as the first tow station ^, the structure is the same, and the cabinet axis 55 is integrated The first fixing member 57 has a side surface and #1°° is placed on the gripping arm 3, and the second rotating piece 56 m 571 , lv « a, board. The third limiting body (7) that is buckled in is inserted into the third pin 572 which is used to block the third turning body 571 and is disengaged from the sinus piece 56. Similarly, the third limiting body 571 is also in the shape of a U. The first = is also folded from an elastic body. The younger one is a pin 572. The first retaining member 58 has a screw-locked end. The third nut 581 is cut to the 55 axis 55 And the opposite end - the melon ** is folded back through the third pivot end to clamp the third plunger 582 of the 8 M415906 end of the third holding shaft 55, and the third plunger 582 can also resist the third The nut 581 is retracted from one end face of the grip arm 3. As shown in FIG. 3, the four telescopic members 4 are simultaneously extended to drive the four gripping arms 3 to be in a closed state at the same time. Conversely, as long as the four telescopic members 4 are simultaneously controlled to be contracted, The four catches f 3 can be driven to be in an open state at the same time. In particular, when the telescopic member 4 is telescopically actuated to drive the gripping arm 3 to swing up and down relative to the top seat 2, the telescopic member* will also oscillate up and down the top seat 2 in the process. The first fixing member 53 and the second fixing member 53 respectively fix the first rotating piece η and the second rotating piece 52' on the connecting plate 23 to ensure the first pivot 51 a second pivot 51 that cannot be rotated relative to the extension base 22 by the same manner as the third fixing member 57 is used to fix the third rotor piece 56 on the side of the catch f 3 , ensuring that the third pivot 55 cannot rotate relative to the grab arm 3, so as to prevent the first _51, the second pivot 51, and the third pivot m from extending the base 22, The grip arm 3 has friction, effectively avoiding the phenomenon that the pivot 51, the second pivot 51', and the third pivot 55 generate shells or looseness, thereby making the present invention capable of high safety and low operation and maintenance cost. #1 力效. In addition, in the operation of the present invention, the first pivot 51, the _, the goods _ due to the fifth-pivot 51' and the third pivot are 'not rotated, so The probability of axial movement is relatively small, and the first retaining member 54 and the second retaining member M can be omitted from the ninth M415906 three retaining member 58, and even the first bullet The lock (1), the second spring pin 532, and the third spring pin 572 and the like may also be slightly omitted. Thus, the first pole shaft 51 and the second shaft 51' are not caused. The third drag shaft 55 has doubts about looseness. As shown in FIG. 6, a second preferred embodiment of the lifting fixture of the present invention differs from the first preferred embodiment described above in that the first fixing member 53 and the second portion of each framing unit 5 The fixing member 53 is fixed by a screw, and the first fixing member 53 and the second fixing member ′ are respectively corresponding to the first rotating piece 52 and the second rotating piece 52, respectively. The connecting plate 23 is screwed and fixed to the _^, and the third fixing member 5: the third rotating piece 56 and one side of the grasping arm 3 can be screwed in the figure. The first fixing member 53, the connecting plate 23 and the first rotating piece 52 are in a group relationship. Similarly, the present embodiment can also produce high work safety for maintenance costs and the like. As shown in Fig. 7, A third preferred embodiment of the present type of lifting jig differs from the first preferred embodiment described above in that the first limit member 531 of the first solid member 53 of the early το 5 The first limit card of the two fixing members 53', the third limit body 571 of the third fixed member 57 and the third limit member 571 of the third fixing member 57 are all three squares (four) hearts facing up and down. Minute Do not allow the corresponding first-made rotor 52, second rotor-shaped sheet α, and third-piece wafer 56 to be restrained therein, and respectively provided for the first-spring pin (1) and the second spring pin 532, The third pin 572 is respectively inserted and positioned thereon, so that only the first limiting body 531, the 10th rotating piece 52 and the first elastic lock 532 are shown in the figure. The first-limit body 531 and the first ruthenium-platinum-double cross-shaped form. The first-stage bullet-cutting is formed in the same manner as the same. The present embodiment can also produce high work safety for maintenance cost and the like. A fourth preferred example of the lifting fixture of the present invention is different from the above-described first preferred embodiment in that the first rotor 52 of each unit 5 has a weld. The first insertion shaft 51: the portion 52 and the same body are connected to one side of the shaft portion 521 to form a double-shaped extension portion 523. Further, the first fixing member 53 of each of the towing units 5 The body 531 is a flat block that can be inserted into the extension 7 of the corresponding first-made rotor 52, and the first-spring pin (1) is inserted and positioned on the first-limit body 531. Conformity Word form. The structure of the second rotor 52, the second fastener 53', the third rotor 56, and the third fastener 57 of each of the plug-in units 5 is the same as that of the first rotor 52, The structure of a fixture , is not shown in the figure. > Of course, this embodiment can also produce high operational safety and low operation and maintenance costs. The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, simple equivalent changes and modifications made in accordance with the scope of the novel application and the novel description. , are still within the scope of this new patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing the structure of a grab type jig of a conventional heavy machine; FIG. 2 is a partial enlarged view taken from FIG. 1; FIG. 3 is a side view illustrating the present A first preferred embodiment of a new type of lifting fixture; FIG. 4 is an exploded perspective view showing one of the top of one of the telescopic members of the first preferred embodiment, an extension body, and one of the pivoting units FIG. 5 is a perspective view of the first pivoting member, a first rotating piece, a first fixing member and a first retaining member; FIG. 5 is a perspective view of FIG. A second preferred embodiment of the lifting fixture of the present invention, wherein the first fixing member is a screw; and FIG. 7 is a partial side view showing the first preferred embodiment of the lifting fixture of the present invention. Corresponding to the structure of one of the first fixing member and the first rotating piece; and FIG. 8 is a partial side view 'the fourth lifting example of the lifting fixture of the present invention' A fixing member is a structure of a first rotor. 12 M415906
【主要元件符號說明】 2 頂座 542 第 一插桿 21 中心座體 5Γ 第 二極軸 22 延伸座體 52, 第 二制轉片 23 連接板 53, 第 二固定件 24 連接板 531， 第二限位體 3 抓臂 532, 第 二彈銷 4 伸縮件 54, 第二防脫件 5 枢接單元 541’ 第 二螺帽 51 第一框轴 542, 第二插桿 52 第一制轉片 55 第 三柩轴 521 軸片部 56 第三制轉片 522 延伸部 57 第三固定件 523 延伸部 571 第 三限位體 53 第一固定件 572 第 三彈銷 531 第一限位體 58 第三防脫件 532 第一彈銷 581 第 三螺帽 54 第一防脫件 582 第三插桿 541 第一螺帽 13[Main component symbol description] 2 Top seat 542 First plunger 21 Central base 5 Γ Second pole shaft 22 extends the base 52, the second rotor 23 connects the plate 53, the second fixing member 24 connects the plate 531, the second The limiting body 3 the grab arm 532, the second pin 4, the telescopic member 54, the second retaining member 5, the pivoting unit 541', the second nut 51, the first frame shaft 542, the second plunger 52, the first rotor 55 Third shaft 521 shaft portion 56 third rotor piece 522 extension portion 57 third fixing member 523 extension portion 571 third limiting body 53 first fixing member 572 third spring pin 531 first limiting body 58 third Anti-dropper 532 first spring pin 581 third nut 54 first retaining member 582 third plunger 541 first nut 13