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    • 1. 发明申请
    • IMPROVED METHOD OF REPLACING AN UNDERGROUND PIPE
    • 改进地下管道的改进方法
    • WO2012115803A2
    • 2012-08-30
    • PCT/US2012/024663
    • 2012-02-10
    • DIMITROFF, Ted R.
    • DIMITROFF, Ted R.
    • F16L55/18F16L1/028E21B7/00
    • F16L55/1658
    • An improved method for replacing existing underground sewer pipe is accomplished without excavation, pipe bursting, or pipe reaming. First, vertical sight holes are drilled into the ground and through the existing pipe. Slurry material from the vertical hole drilling fills the old pipe. Then, a pilot hole is drilled in a first direction through the old pipe. Then, a reaming tool is pulled in the opposite direction so as to enlarge the pilot hole and grind out the old pipe, while simultaneously pulling the new pipe into position behind the reaming tool. The broken old pipe and slurry are vacuumed out of the vertical relief holes.
    • 替代现有地下下水道管道的改进方法是在没有挖掘,管道破裂或管道扩孔的情况下完成的。 首先,将垂直的视线孔钻入地面并通过现有的管道。 来自立式钻孔的泥浆材料填充旧管道。 然后,通过旧管道沿第一方向钻出导向孔。 然后,向相反方向拉动扩孔工具,以便扩大引导孔并研磨旧管,同时将新管拉入铰接工具后面的位置。 破旧的管道和浆料从垂直的排放孔中抽真空。
    • 5. 发明申请
    • STORED ENERGY COUPLING AND PIPE BURSTING APPARATUS
    • 存储能量耦合和管接头设备
    • WO2006047411A3
    • 2008-11-13
    • PCT/US2005038174
    • 2005-10-21
    • PUTNAM SAMUEL W
    • PUTNAM SAMUEL W
    • E21B11/02
    • F16L55/1658F16L55/18
    • A stored energy coupling and pipe bursting apparatus which is designed to increase the efficiency of pipe bursting by enhancing the effect of a pneumatic or hydraulic hammer used while moving the pipe bursting head (43). In one embodiment the stored energy coupling (20, 30, 31) has one or more internal springs (68, 68a, 68b) and operates to improve the energy output of a hammer (86) as the pipe bursting head (43) traverses the length of the pipe (83) to be broken responsive to the pulling action of a single hydraulic cylinder (78) having dual rod or cable gripping elements (5, 32). In another embodiment the stored energy coupling (1) has no spring and is designed to prevent damage to the static pulling device when the hammer (85) is implemented. The stored energy coupling (1, 20, 30, 31) of this invention can be installed in front or behind the bursting head (43), or even in the bursting head (43), and is always positioned in front of the hammer (86). The stored energy coupling (20, 31) can also be utilized in a common housing (66, 2) with the hammer (86) and with a cable or rod pulling apparatus of any design, including a hydraulic cylinder (78) which uses a rod or cable connection and dual gripping elements (5, 32) for immobilizing the rod (64) or cable (40) between pulling sequences.
    • 一种存储能量耦合和管道爆破装置,其被设计成通过增加在移动管道爆破头(43)时使用的气动或液压锤的作用来提高管道爆裂的效率。 在一个实施例中,存储的能量耦合(20,30,31)具有一个或多个内部弹簧(68,68a,68b),并且用于当管道爆破头(43)穿过该弹簧时,提高锤(86)的能量输出 响应于具有双杆或电缆夹紧元件(5,32)的单个液压缸(78)的牵引动作,管(83)的长度被破坏。 在另一个实施例中,存储的能量耦合器(1)没有弹簧,并且被设计成在实施锤子(85)时防止对静态牵引装置的损坏。 本发明的储能联轴器(1,20,30,31)可以安装在爆破头(43)的前面或后面,或者甚至安装在爆破头(43)中,并且总是位于锤的前面 86)。 存储的能量耦合器(20,31)也可用于具有锤(86)的公共壳体(66,2)中,并且可用于任何设计的电缆或杆拉动装置,包括液压缸(78),其使用 杆或电缆连接和用于在牵引序列之间固定杆(64)或电缆(40)的双夹紧元件(5,32)。
    • 7. 发明申请
    • METHOD AND APPARATUS FOR REPLACEMENT OF UNDERGROUND PIPE
    • 地下管道替代方法和装置
    • WO2003021073A2
    • 2003-03-13
    • PCT/US2002/028073
    • 2002-09-04
    • EARTH TOOL COMPANY, L.L.C.
    • WENTWORTH, Steven, W.RANDA, Mark, D.
    • E21B
    • E21B17/05E21B4/14E21B7/30F16L55/1658
    • An impactor for use a directional boring machine for replacement of underground pipes includes a bursting head having a rearwardly opening recess and a front end opening that communicates with the recess. An inlet is connected at its front end to a distal end of the drill string and extends into the recess of the bursting head through the front end opening. A striker is mounted for sliding movement along the inlet pipe, and a distributing mechanism responsive to pressure fluid supplied through the drill string and inlet pipe causes the striker to reciprocate in the rearwardly opening recess of the head to deliver forward impacts against the bursting head. The striker and distributing mechanism are mounted in a tubular housing, and a pulling connection is provided by which the impactor can be pulled by the drill string while the striker is delivering impacts against the head in the same direction as a pulling force exerted by the drill string. The bursting head is preferably slidably mounted on the inlet pipe and moves forward relative to the inlet pipe and drill string in response to an impact of the striker against the bursting head. The impactor can be readily used with existing directional boring machines.
    • 用于更换地下管道的定向钻孔机的冲击器包括具有后开口凹部的破裂头和与凹部连通的前端开口。 入口在其前端连接到钻柱的远端,并通过前端开口延伸到破裂头的凹部中。 一个撞击器被安装用于沿着入口管滑动运动,并且响应于通过钻柱和入口管供给的压力流体的分配机构使得撞击器在头部的向后打开的凹部中往复运动以向前冲击冲击头。 撞击器和分配机构安装在管状壳体中,并且提供牵引连接,冲击器可以由钻柱拉动,当冲击器以与钻头施加的拉力相同的方向传递冲击头部时 串。 爆裂头优选地可滑动地安装在入口管上,并响应于撞针对爆破头的冲击而相对于入口管和钻柱向前移动。 冲击器可以方便地与现有的定向钻孔机一起使用。
    • 9. 发明申请
    • CUTTING HEAD
    • 切割头
    • WO01007822A1
    • 2001-02-01
    • PCT/EP2000/006953
    • 2000-07-20
    • E21B7/30F16L55/165E21B29/00
    • F16L55/1658E21B7/30
    • The invention relates to a device for subdividing, especially for making longitudinal slots, in buried pipes (2) and simultaneously introducing a new pipe without excavating and optionally at the same time as other pipe branches. Said device consists of a cutting head with a guide projecting into the old pipe and fitted with hook blades (12, 21). The guide consists of a lug and/or push-pull rods (5). The hook blades have a ram with a centripetal angled cutter which provokes an inward force component when the pipe wall is cut.
    • 分割,在埋地管道(2)和用于同时严重的特定的纵向狭槽,而不在新管道拉拔,可选地同时与导线的另一股线的装置包括一个切割头的有突出成老管路,外侧(与钩刀12, 21设置)。 引导由一个销(9)和/或拉或推杆(5)。 具有与向心力作用角切割,其管壁的切割期间导致一个向内的力分量的嘴钩刀。
    • 10. 发明申请
    • TRENCHLESS REPLACEMENT OF UNDERGROUND PIPING
    • 地下管道的无缝替换
    • WO99051488A1
    • 1999-10-14
    • PCT/US1999/007211
    • 1999-04-01
    • E21B7/30F16L55/165B63B35/03
    • F16L55/1658E21B7/30
    • A method and apparatus for new installation or bursting and replacement of underground pipelines (18) without the necessity of trenches. This method and apparatus allow for the installation without the need for large excavations at the end point of the line (18) and allow for nondestructive termination at an existing vault, structure or manhole (20) without having to rebuild the structure, vault or manhole (20). The apparatus includes a head assembly (10) that breaks apart fracturable pipe (18) and expands the hole to accommodate the desired size of pipe (25). Because of the method of applying forces, the expansion of pipe diameter can be very substantial. Because of the head assembly (10), the head (10) can be disassembled as the pipe (25) and head (10) enter a manhole, vault, structure or limited space (20) and thus no need to excavate the vault or structure (20), or create a large end excavation is necessary, thus saving time and money and avoiding disruption of traffic in street locations.
    • 一种新的安装或爆破和更换地下管道(18)而不需要沟槽的方法和装置。 这种方法和装置允许安装,而不需要在管线(18)的终点处进行大型挖掘,并且允许在现有的拱顶,结构或人孔(20)处进行非破坏性的终止,而不必重建结构,拱顶或人孔 (20)。 该装置包括头部组件(10),该头部组件(10)使可破坏的管(18)断裂并且使孔膨胀以适应所需尺寸的管(25)。 由于施加力的方法,管径的膨胀可能非常大。 由于头部组件(10),头部(10)可以作为管道(25)拆卸并且头部(10)进入人孔,拱顶,结构或有限的空间(20),因此不需要挖掘拱顶或 结构(20),或者大面积挖掘是必要的,从而节省时间和金钱,避免街道交通的中断。