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1. 发明专利

JPH07197761A HAMMER GLOVE FOR PLACING CAST-IN PLACE PILE 失效
公开(公告)号：JPH07197761A
公开(公告)日：1995-08-01
申请号：JP35342593
申请日：1993-12-30
申请人： SOSHIN KENSETSU KK , SHIN NIPPON KOKUDO KOGYO KK , HITACHI CONSTRUCTION MACHINERY , HOKKAIDO KIKAI KAIHATSU KK , NISSHIN KISO KOGYO KK , TAIYO KISO KK , KISO KOGYO KK , TOYO TECHNO KK
发明人： NAKO MASAMI , KANEOKA RYUICHI , KUSUMI HIROSHI , KUMAGAI TOSHIHISA , SHIMAMURA MITSUAKI , CHIKASAWA SUMIO , FUJIKI HIDENORI , SASAKI MINORU , YAMAGUCHI SEIYA
IPC分类号： E02F3/47 , E21B11/04
摘要： PURPOSE:To improve the taking-in and discharge performance of excurvated sand and earth without drop resistance in water. CONSTITUTION:A rising/falling frame 6 with a plurality of shieves 8 mounted thereon is arranged in a hammer glove main body 1 so that the frame 6 can move up and down according to the movement of a wire rope 10. In the frame 6 a vertical hollow part is formed with the lower shieve 8 or a spring 42 is shifted to an inner wall side. The total area of drain holes 32d, 45a, 45b in the main body 1 is made larger than the water passing area of any portion of cross sectional part of the frame 6. At an upper part of the frame 6, the multiple hammer shieves 8 are arranged to be close to the inner wall of the main body 1 while a shieve shaft 7 is arranged in the radial direction of the main body 1. One end of each link 36 transmitting the movement of the frame 6 to a pair of shells 20 is connected to both ends of each shell 20.

2. 发明专利

JPH06317079A HAMMER GRAB FOR CAST-IN-PLACE PILE CONSTRUCTION 失效
公开(公告)号：JPH06317079A
公开(公告)日：1994-11-15
申请号：JP12996693
申请日：1993-05-06
申请人： SOSHIN KENSETSU KK , SHIN NIPPON KOKUDO KOGYO KK , HITACHI CONSTRUCTION MACHINERY , HOKKAIDO KIKAI KAIHATSU KK , NISSHIN KISO KOGYO KK , TAIYO KISO KK , KISO KOGYO KK , TOYO TECHNO KK
发明人： NAKO MASAMI , KANEOKA RYUICHI , KUSUMI HIROSHI , KUMAGAI TOSHIHISA , SHIMAMURA MITSUAKI , CHIKASAWA SUMIO , FUJIKI HIDENORI , YAGI TOSHIO , YAMAGUCHI SEIYA
IPC分类号： E02F3/47 , E21B11/04
摘要： PURPOSE:To increase the take-in amount of excavated earth and sand by installing an elevating/sinking frame which elevates and sinks in association with the motion of a wire rope within the body of a hammer grab, furnishing a plurality of links to transmit the motion of the frame to a pair of shells, and coupling one-side ends of these links with the two ends of each shell. CONSTITUTION:In the condition that a latch 3 installed at a hammer grab is hitched at a hitch piece 12, the body 1 of the hammer grab is hung by a wire rope 17. At this time, shells 20 are in opened condition, and if the wire rope 17 is paid off to permit the grab body 1 to fall, the shells 20 bite into the earth deeply, so that the take-in amount of the excavated earth and sand increases wherein the earth and sand have no risk of extruding from the joining faces of the shells 20. When the shells 20 bite into the earth, their tips receive a vertical load due to collision with the ground, but because the two ends of each shell 20 are coupled with links 36 and the shells 20 are supported on an elevating/sinking frame 6 through the links 36 and a beam 30, the load is transmitted to the frame 6 from the ends of the shells 20.

3. 发明专利

JPS5927027A Control method of operating excavator for pile driving 失效
标题翻译：操作挖掘机的驱动控制方法
公开(公告)号：JPS5927027A
公开(公告)日：1984-02-13
申请号：JP13879682
申请日：1982-08-09
申请人： Hokkaido Kikai Kaihatsu Kk , Sanwa Kizai Co Ltd
发明人： KUMAGAI TOSHIHISA , MIZUNO TOSHIYUKI
IPC分类号： E02D5/34
CPC分类号： E02D5/34
摘要： PURPOSE:To exactly grasp the relative position of a head and a grout liquid by a method in which the height of a grout liquid, determined on the basis of integrated amounts of the grout liquid, and the height of the excavator blade measured are displayed on a displayer, and while watching the displayer, the drawing of the excavator blade is regulated. CONSTITUTION:A pile pit 3 is excavated by an earth auger 1, and after that completion of the excavation, cement mortar 2 is injected through the holes of the rotary shaft of the auger 1 while drawing the auger 1. In this case, the integrated flows rates of the mortar, sent from the pulse generator 15 of a flow meter 14a provided on the way of the pipe to a counter circuit 16 and counted there, is divided by a pile cross section determined by a preset excavation diameter and the permeation coefficient of grout liquid into the ground to calculate the height of injection. The injection height so calculated is displayed along with the height of the head 1a measured by a depth meter on a meter board 19. Accordingly, the drawing speed of the excavator blade 1a is regulated so that the movements of both pointers 19a and 19b becomes equalized.
摘要翻译：目的：通过一种方法来精确掌握头部和灌浆液的相对位置，其中基于灌浆液的积分量确定的灌浆液的高度和所测量的挖掘机叶片的高度被显示在显示器，并且在观看显示器时，调节挖掘机叶片的图形。构成：挖土机1挖掘桩坑3，在完成挖掘之后，通过螺旋推运器1的旋转轴的孔注入水泥砂浆2，同时拉出螺旋钻1.在这种情况下，从设置在管道上的流量计14a的脉冲发生器15发送到计数器电路16并计数的砂浆的流量除以由预定的挖掘直径和渗透系数确定的桩横截面的灌浆液注入地面以计算注射高度。这样计算出的注射高度与通过仪表板19上的深度计测量的头部1a的高度一起显示。因此，挖掘机叶片1a的拉伸速度被调节，使得两个指针19a和19b的运动变得均衡。

4. 发明专利

JPH06136752A ROTATIONAL REACTION SUPPORT DEVICE IN CASING DEVICE 失效
公开(公告)号：JPH06136752A
公开(公告)日：1994-05-17
申请号：JP12927692
申请日：1992-04-23
申请人： HITACHI CONSTRUCTION MACHINERY , HOKKAIDO KIKAI KAIHATSU KK
发明人： KUSUMI HIROSHI , KUMAGAI TOSHIHISA
IPC分类号： E02D7/20 , E02D7/22 , E21B7/20
摘要： PURPOSE:To surely prevent the occurrence of dislocation in pile center in a simple structure when a pile is pressed in by using a rotational reaction frame, and thereby supporting horizontal force produced in a casting device. CONSTITUTION:An aligning bar 10 is rested on the center hole 20a of a position aligning iron plate 20 so as to be hoisted down by a crane, so that the cruciform intersection of the aligning bar 10 is set at a pile center position marked on a structural table 101. Next, a sling rope and the aligning bar 10 are removed out of a hoisting fixture 20c, plates 100 are closely welded to the upper iron plate of the structural, table 101 at the circumference of the iron plate 20. And next, a casing driver is hoisted up by the crane, the float 2e' of the jack of the casing driver is then lowered down along the guide plate 20b of the position aligning iron plate 20. Subsequently, the casing driver is fixed, a first casing is then pressed in with the casing hoisted in, and sediment within the casing is excavated.

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