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    • 1. 发明申请
    • EXTRACTION SYSTEM FOR A MINERAL CUTTER PICK
    • 矿物切片提取系统
    • WO2011101612A4
    • 2012-04-19
    • PCT/GB2011000136
    • 2011-02-03
    • MINNOVATION LTDPARROTT GEORGE ALBERT
    • PARROTT GEORGE ALBERT
    • E21C35/19
    • E21C35/197E21C2035/1826
    • A system for extraction of a mineral cutter pick (1), and optionally any interposed sleeve (19), the pick (1 ) comprises an elongate shank (4) extending from an enlarged head (2), has a piston (12) coaxial with the shank (4), with one end face (16) of the piston (12) subjectable to hydraulic pressure fluid, and with another, opposite end face (15) of the piston (12) capable of engaging an end face (5) of the shank (4), a sealing ring (14) to prevent passage of hydraulic fluid being carried by the piston (12), whereby axial movement of the piston (12), under hydraulic pressure, in turn axially displaces the pick (1 ), whilst further movement of the piston (12) results in extraction, if required, of sleeve (19).
    • 一种用于提取矿物切割器(1)的系统以及任选的任何插入的套筒(19),所述拾取器(1)包括从扩大的头部(2)延伸的细长柄部(4),具有同轴的活塞(12) 与杆(4)相连,活塞(12)的一个端面(16)可受到液压流体的影响,并且活塞(12)的另一个相对的端面(15)能够接合端面(5) ),用于防止由活塞(12)承载的液压流体通过的密封环(14),由此在液压下活塞(12)的轴向运动反过来使得该拾取器 而如果需要,活塞(12)的进一步运动导致套筒(19)的抽出。
    • 2. 发明申请
    • EXTRACTION SYSTEM FOR A MINERAL CUTTER PICK
    • 矿物切片提取系统
    • WO2011101612A2
    • 2011-08-25
    • PCT/GB2011/000136
    • 2011-02-03
    • MINNOVATION LIMITEDPARROTT, George, Albert
    • PARROTT, George, Albert
    • E21C35/19
    • E21C35/197E21C2035/1826
    • A system for extraction of a mineral cutter pick (1), and optionally any interposed sleeve (19), the pick (1 ) comprises an elongate shank (4) extending from an enlarged head (2), has a piston (12) coaxial with the shank (4), with one end face (16) of the piston (12) subjectable to hydraulic pressure fluid, and with another, opposite end face (15) of the piston (12) capable of engaging an end face (5) of the shank (4), a sealing ring (14) to prevent passage of hydraulic fluid being carried by the piston (12), whereby axial movement of the piston (12), under hydraulic pressure, in turn axially displaces the pick (1 ), whilst further movement of the piston (12) results in extraction, if required, of sleeve (19).
    • 一种用于提取矿物切割器(1)的系统以及任选的任何插入的套筒(19),所述拾取器(1)包括从扩大的头部(2)延伸的细长柄部(4),具有同轴的活塞(12) 与杆(4)相连,活塞(12)的一个端面(16)可受到液压流体的影响,并且活塞(12)的另一个相对的端面(15)能够接合端面(5) ),用于防止由活塞(12)承载的液压流体通过的密封环(14),由此在液压下活塞(12)的轴向运动反过来使得该拾取器 而如果需要,活塞(12)的进一步运动导致套筒(19)的抽出。
    • 3. 发明申请
    • PICK HOLDER AND FIXING SLEEVE FOR AN EXTRACTION MACHINE
    • 提取机器和固定套筒
    • WO1995018914A1
    • 1995-07-13
    • PCT/GB1994002815
    • 1994-12-23
    • MINNOVATION LIMITEDPARROTT, George, Albert
    • MINNOVATION LIMITED
    • E21C35/197
    • E21C35/187E21C35/197E21C2035/1826
    • A pick box (3) and sleeve (6) combination comprises a sleeve-receiving aperture (5) in the box (3), with the sleeve (6) located in the aperture (5) and adapted, in use, to receive the shank (17) of a mineral cutter pick (7). A zone (33) of differential area is provided between the external periphery of the sleeve (6) and the aperture (5). A fluid sealing ring (29) is located to each side of the zone (33) of differential area, and a hydraulic fluid entry bore (30) is located intermediate the two sealing rings (29) and is in fluid flow communication with the zone (33), whereby upon admission of hydraulic fluid under sufficient pressure to the zone (33) via the entry bore, the fluid, being confined by the sealing rings (29), effects hydraulic, axial displacement of the sleeve (6) with respect to the box (3). The invention also includes a mineral cutting drum (1) provided with a plurality of such pick and box combinations, and also to a machine provided with at least one such drum.
    • 拾取盒(3)和套筒(6)组合包括在盒(3)中的套筒接收孔(5),套筒(6)位于孔(5)中,并且在使用中适于接收 矿物切割机(7)的柄(17)。 在套筒(6)的外周和孔(5)之间设有差动区域(33)。 流体密封环(29)位于差动区域的区域(33)的每一侧,并且液压流体入口孔(30)位于两个密封环(29)的中间,并且与该区域 (33),由此在足够的压力下通过入口孔将液压流体入口到区域(33)时,被密封环(29)限制的流体会影响套筒(6)的液压,轴向位移 到盒子(3)。 本发明还包括具有多个这种拾取和箱组合的矿物切割滚筒(1),并且还包括设置有至少一个这种滚筒的机器。
    • 4. 发明申请
    • EXTRACTION SYSTEM FOR A MINERAL CUTTER PICK
    • 一种矿物切削刀具的提取系统
    • WO2011101612A3
    • 2012-03-01
    • PCT/GB2011000136
    • 2011-02-03
    • MINNOVATION LTDPARROTT GEORGE ALBERT
    • PARROTT GEORGE ALBERT
    • E21C35/19
    • E21C35/197E21C2035/1826
    • A system for extraction of a mineral cutter pick (1), and optionally any interposed sleeve (19), the pick (1 ) comprises an elongate shank (4) extending from an enlarged head (2), has a piston (12) coaxial with the shank (4), with one end face (16) of the piston (12) subjectable to hydraulic pressure fluid, and with another, opposite end face (15) of the piston (12) capable of engaging an end face (5) of the shank (4), a sealing ring (14) to prevent passage of hydraulic fluid being carried by the piston (12), whereby axial movement of the piston (12), under hydraulic pressure, in turn axially displaces the pick (1 ), whilst further movement of the piston (12) results in extraction, if required, of sleeve (19).
    • 一种用于提取矿物切割器镐(1)的系统以及任选地插入的套筒(19),镐(1)包括从扩大的头部(2)延伸的细长柄(4),具有同轴的活塞(12) 与活塞(12)的一个端面(16)以及活塞(12)的另一个相对的端面(15)一起与柄(4) )以及防止活塞(12)携带的液压流体通过的密封环(14),由此在液压下活塞(12)的轴向运动又使得所述镐(4)轴向移动, 1),同时活塞(12)的进一步移动导致套筒(19)的抽出,如果需要的话。