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    • 1. 发明申请
    • TREE, STUMP AND POST PULLER
    • 树,土拨鼠和邮政拉
    • WO2018039033A1
    • 2018-03-01
    • PCT/US2017/047351
    • 2017-08-17
    • MAXWELL, Christian, Lane
    • MAXWELL, Christian, Lane
    • E04H17/26B66F1/02B66F1/08E02D9/02E21B19/00
    • An apparatus for extracting trees, stumps, posts and similar structures from the ground is attached to a 3-point hitch tractor accessory. The apparatus comprises a base frame and a lifting frame. The base frame includes a pair of vertical guides for confining a corresponding pair of vertical rails on the lift frame. A piston/cylinder type of linear motor is connected between the base frame and lifting frame to translate the lifting frame relative to the base frame. A pair of independently controlled gripping cylinders that are connected to respective gripping cams are mounted on the lifting frame. A tree is extracted by engaging the gripping cams against the tree and translating the lifting frame.
    • 用于从地面提取树木,树桩,柱子和类似结构的设备连接到三点悬挂拖拉机附件上。 该装置包括基架和升降架。 基架包括一对垂直导轨,用于将相应的一对垂直导轨限制在升降架上。 活塞/缸式直线电机连接在基架和升降架之间,以使升降架相对于基架平移。 在升降架上安装有一对独立控制的夹紧缸,它们分别与夹紧凸轮连接。 通过将抓取凸轮与树对齐并平移升降框架来提取树。
    • 4. 发明申请
    • IMPROVED SELF-RAISING PLATFORM ASSEMBLY
    • 改进的自升式平台装配
    • WO02020919A1
    • 2002-03-14
    • PCT/CA2001/001273
    • 2001-09-05
    • B66B9/187B66F1/08B66F11/04E04G1/20E04G1/24
    • B66B9/187B66F1/08B66F11/04E04G1/20
    • A self-raising platform assembly (1) comprising at least one mast (3, 5, 113) along which a platform (13) may be moved up or down including the following: a) a base element (9) with a supporting plate (25) connected to a jack (27) and several stabilizer arms (33, 37) incorporating height adjustment. b) modular mast sections (7) made from rectangular sections with openings (63) cut out to form steps and bars (55) to allow adjacent sections to be bolted together. c) hydraulically operated ram lifting mechanism (73, 83, 84) with hooks (77, 79, 81) to engage steps on the mast to raise and lower the platform. d) a plastic lined sleeve (17, 19) on the platform which slides against the mast. e) a modular platform which can be lengthened or widened by adding additional modules (101, 103).
    • 一种自升式平台组件(1),包括至少一个桅杆(3,5,113),平台(13)沿着该至少一个桅杆可以向上或向下移动,包括:a)具有支撑板的基座元件(9) (25)连接到插座(27)和几个具有高度调节的稳定器臂(33,37)。 b)由具有开口(63)切割以形成台阶和杆(55)的矩形部分制成的模块化桅杆部分(7),以允许相邻部分被螺栓连接在一起。 c)具有钩(77,79,81)的液压操作的举升机构(73,83,84),以接合桅杆上的台阶以升高和降低平台。 d)在平台上的塑料衬里套筒(17,19),其抵靠桅杆滑动。 e)通过添加附加模块(101,103)可以延长或加宽模块化平台。
    • 5. 发明申请
    • HYDRAULIC STAGING JACK
    • 液压平缝机
    • WO99014152A1
    • 1999-03-25
    • PCT/US1998/019629
    • 1998-09-15
    • B66F1/08
    • B66F1/08
    • A hydraulic staging jack (10) has a circumferentially grooved cylinder (14) which fits into a base (12) in which two shoes (18, 20) are seated and each shoe has two axially spaced flanges (44b, 44c) which engage in two axially spaced grooves (40) of the cylinder (14). Radially outer surfaces (46) of the shoes (18, 20) are axially angled so that moving the shoes (18, 20) axially out of the base (12) causes the shoes (18, 20) to separate radially, thereby disengaging the flanges (44b, 44c) from the grooves (50) and permitting adjustable axial fixing of the position of the cylinder (14) relative to the base (12).
    • 液压分段千斤顶(10)具有周向开槽的圆筒(14),其装配到其中安置两个鞋(18,20)的基部(12)中,并且每个鞋具有两个轴向隔开的凸缘(44b,44c) 气缸(14)的两个轴向间隔开的凹槽(40)。 鞋子(18,20)的径向外表面(46)具有轴向角度,使得将鞋子(18,20)轴向移动离开基座(12)使得鞋子(18,20)径向分开,从而使鞋 来自凹槽(50)的凸缘(44b,44c),并且允许气缸(14)相对于基座(12)的位置的可调轴向固定。