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    • 51. 发明授权
    • Fluid-conveying conduit
    • 流体输送管道
    • US5180254A
    • 1993-01-19
    • US772242
    • 1991-10-07
    • Marcel Matiere
    • Marcel Matiere
    • E02B9/06F16L9/22
    • E02B9/06F16L9/22Y02E10/22
    • A fluid-conveying conduit of large cross section for conveying fluid under high pressure, formed by assembling on a laying surface a plurality of prefabricated longitudinal elements placed in sequence and comprising, in transverse section, a lower base and a vault having two lateral edges connected to the base by sealingly joining longitudinal members. The longitudinal joining members consist of two parallel metallic profiled members rigidly connected to one another by at least one crosspiece and fixed to a slab forming the base of the conduit, and the vault consists of at least one thin wall element and is sealingly fixed by its two lateral edges along two longitudinal profiled members.
    • 一种用于在高压下输送流体的大横截面的流体输送导管,其通过在铺设表面上组装多个预先布置的纵向元件而形成,所述多个预制纵向元件依次放置,并且在横截面中包括连接有两个侧边缘的下基部和拱顶 通过密封地连接纵向构件到基座。 纵向连接构件由两个平行的金属构件构成,两个平行的金属构件通过至少一个横档彼此刚性连接并固定到形成导管底部的平板上,拱顶由至少一个薄壁构件组成,并由其密封地固定 沿着两个纵向剖面构件的两个侧边缘。
    • 53. 发明授权
    • Apparatus for laying a pipe line
    • 用于铺设管线的装置
    • US4094152A
    • 1978-06-13
    • US791487
    • 1977-04-27
    • Hans Jutte
    • Hans Jutte
    • E02B9/06E02D17/08E02F5/10E21D9/06F16L1/038E21D5/12
    • E02D17/086
    • Pipe-laying apparatus employs an advanceable shield with a set of elongate cutter planks supported for longitudinal displacement by a frame. Rams interconnect the planks and the frame and enable the shield to advance to form an open trench. Behind the shield is an open stabilizing frame connected with further adjusting rams to the frame of the drive shield. The frame serves to receive a pipe section which is to be aligned and connected to a previously-installed pipe section to extend the pipe line. A set of long follow-up planks are pivotably connected to the cutter planks and lie between the open frame and the trench walls. The follow-up planks extend over a distance equal to two or three times the length of the open frame and of the individual pipe sections to form a protection zone behind the open frame
    • 管道铺设设备采用可推进的屏蔽,其具有一组支撑用于框架纵向移位的细长切割板。 公路连接板条和框架,并使屏蔽能够前进以形成开放的沟槽。 屏蔽后面是一个开放的稳定框架,与进一步调整的公差连接到驱动器屏蔽的框架。 该框架用于接收待对准并连接到预先安装的管部分以延伸管线的管段。 一组长的后续板可枢转地连接到切割板,并且位于开放框架和沟槽壁之间。 随后的木板延伸超过等于开放框架和各个管道部分的长度的两倍或三倍的距离,以在开放框架后面形成保护区域
    • 54. 发明授权
    • Method for making an electrically-conductive connection specifically for underground lines
    • 专门用于地下线路的导电连接方法
    • US3869361A
    • 1975-03-04
    • US31819172
    • 1972-12-26
    • TRW INC
    • JENKINS JOHN C
    • E02B9/06C23F13/02E02F5/10F16L1/038F16L25/01C23F13/00B23K11/04H02G15/08
    • F16L25/01C23F13/02
    • A method and apparatus are provided for making electrically conductive connections for underground gas lines or pipes. To make such a connection, an access hole is first made from the surface of the ground down to a point adjacent the pipe. With a portion of the surface of the pipe exposed, a long cleaning tool is extended down into the hole and the exposed surface of the pipe is cleaned. A weldable stud with a conductor attached to an end thereof is then welded to the cleaned portion of the pipe by the use of a welding tool with a long extension, so that the weld can be made by an operator on the surface of the ground. The other end of the conductor affixed to the stud is attached to a magnesium anode which can also be located in the same hole used to provide access to the underground pipe. The stud conductor can also be connected to test equipment located at the ground surface, rather than to the magnesium anode. A holder located at the end of the extension of the stud welding tool for holding a ferrule around the stud as it is welded to the pipe is resiliently mounted relative to the extension so that accidental crushing of the ferrule is avoided. An electrical connection also can be made between ends of adjacent pipe sections to assure electrical continuity therebetween. This connection is in the form of a conducting strap which is welded by studs to both of the pipe sections and to an intermediate coupling. The extension of the welding tool can be provided with a grip for engaging and holding the strap as it is welded to the pipe sections.
    • 提供了一种用于制造用于地下气体管线或管道的导电连接的方法和装置。 为了进行这样的连接,首先从接地表面向靠近管道的点制造进入孔。 在管的表面的一部分暴露的情况下,长的清洁工具向下延伸到孔中,并且管的暴露表面被清洁。 然后通过使用长延伸的焊接工具将具有附接到其端部的导体的可焊接的螺柱焊接到管的清洁部分,使得焊接可以由操作者在地面上进行。 固定在螺柱上的导体的另一端连接到镁阳极,镁阳极也可以位于与用于提供对地下管道的通路相同的孔中。 螺柱导体也可以连接到位于地面的测试设备,而不是连接到镁阳极。 位于螺柱焊接工具的延伸部的端部的保持器,用于当焊接在管上时用于将螺栓保持在螺柱周围,相对于延伸部弹性地安装,从而避免了套圈的意外破碎。 也可以在相邻管段的端部之间进行电连接,以确保其间的电连续性。 该连接是导电带的形式,其通过螺柱焊接到两个管段和中间联接件。 焊接工具的延伸部可以设置有用于在将条带焊接到管道部分时接合和保持带子的把手。