Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
  • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
  • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
  • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
  • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
  • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
  • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
  • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
  • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
  • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
  • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
  • B25B27/16—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same abutted flanges
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
  • F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
  • F16L1/06—Accessories therefor, e.g. anchors
  • F16L1/09—Accessories therefor, e.g. anchors for bringing two tubular members closer to each other

Definitions

• the present invention concerns a tool for use in laying pipes, as defined in the preamble to Claim 1.
• the reference NO 136,627 discloses an accessory means for joining pipes. This, however, only concerns pipes provided with shoulders, and therefore no joining of common pipes, which are completely smooth at one end, is feasible with the aid of this means.
• the object of the invention is to eliminate the drawbacks mentioned.
• the installation tool of the invention comprises a body, consisting of two elongated and relative to. each other movable, preferably telescopically relative to each other moving parts, of a power means for moving said parts relative to each other, and of a fixing member with the aid of which the pipes that have to be joined can be firmly connected to said partsfor the duration of the pipe-joining operation.
• the parts of the body are advantageously tubular parts with round or angular cross section and movable relative to each other, one within the other, in which case moving of the parts relative to each other may be accomplished with a crank handle and shaftattached to one of the parts and a wire rope attached to the other part.
• moving of the parts relative to each other may be accomplished with a crank handle and shaftattached to one of the parts and a wire rope attached to the other part.
• power means various helical thread structures operated with a crank.
• Various power machines may also be contemplated, such as for instance the moving of the parts relative to each other with the aid of a hydraulic cylinder.
• the fixing member advantageously consists of a strap assembly comprising straps, webbing or equivalent to be affixed to the parts of the body, and securing means provided on these.
• the tool of the invention further comprises, advantageously, bracing chocks on the body parts, these chocks bracing the tool against the pipes which are being manipulated.
• the chocks may be integral parts of the body parts, or they may be separate parts affixed to the body parts. In an advantageous embodiment, one or several of the chocks are pivotally attached to the body parts, e.g.
• the chock will bend to conform to the surface configuration of the pipe.
• various costings e.g. rubber, serving to increase the holding power.
• various materials increasing the holding power may be applied on the parts; of the fixing member coming into contact with the pipes.
• the advantage of the invention over the state of art is above all seen in the achieving of an easy, simple and fast pipe-joining procedure by using the tool of the invention. Another advantage is the reduced number of installation worlers required, and significant reduction of the livelihood of pipe damage.
• the means of the invention may also be applied when detaching pipe sections from each other.
• Fig. 1 presents a pipe installation tool according to the invention
• Fig. 2 presents another pipe installation tool according to the invention
• Fig. 3 presents a third embodiment of the invention
• Fig. 4 presents a tension means for use in the means of the invention.
• One pipe installation tool depicted in Fig. 1, comprises a body 1 consisting of two elongated and relative to each other telescopically movable parts 2, 3. On each part have been affixed two bracing chocks 4, which rest against the pipes that are being joined over rubber pads 16. Bearings 15 have been provided between the tubular parts 2 and 3, ensuring effortless movement of the parts relative to each other.
• a power means 7 consisting of a jointed shaft 8 and a crank handle 9 affixed to the shaft.
• One end of a wire rope 10 has been fixed to the shaft 8 and the other end, to the part 3, the wire running within the tubular parts 2, 3.
• the parts 2 and 3 comprise fixing members 17, which consist of straps 6 of an elastic material and of securing means 5 belonging to these straps.
• the straps have been attached to the parts 2 and 3 by passing then through eyes 18 provided on said parts.
• Fig. 2 is depicted another pipe installation tool according to the invention, which is mainly consistent with the embodiment of the invention shown in Fig. 1. The difference is that the bracing chocks
• the power means 11 comprises a threaded rod 12 with a crank handle 14 connected to one end thereof, to enable the rod to be rotated.
• the threaded rod 14 carries threads 19 cooperating with the threads within a sleeve 13 provided in the part 3.
• a tool according to the invention comprising, in addition to the cranl handle-and-shaft assembly of Fig. 1, another similar cranl handle-and- shaft assembly 20 intended for pulling out the means, whereby the means operating with wires or straps may also be used to disassemble joined pipes.
• the shaft of the assembly 20 is rotatably carried in the outer part 2 and the inner part 3 has been provided with elongated slits 21 for enabling the parts to be moved relative to each other.
• the shaft 20 may also serve as deflection sheave, in which case it requires no craril handle.
• the wire 10 runs around the shafts 8 and 20 and has been attached to the part 3; turning tine crank handle in different direction will then enable pipe joining as well as pipe disassembly to be accomplished.
• the pipe installation tool of the invention operates as follows.
• the pipes that have to be joined are placed end to end so that the ends to be joined are in register, preferably alreadv pushed into each other a short distance, as shown in the figures.
• the tool is positioned upon the pipes so that one part 2 is braced with the bracing chocks 4 against one of the pipes to be joined and the other part 3 is braced with the bracing chocks 4 against the other pipe to be joined.
• the parts 2 and 3 have been pulled out to be only a short distance within each other.
• the straps 6 are then clamped as tightly as, possible around the pipes, to connect the parts 2 and 3 firmly to the pipes.
• crank handle 9 or cranl handle 14 will cause the parts 2 and 3 to be pushed into each other, resulting in even stronger tightening of the straps around the pipes so that the straps pull the pipes into each other at the point of juncture, in desired manner.
• the operation just described can be inverted, whereby disassembly, of a pipe joint is accomplished in like manner and with equal ease.
• the fixing means comprises in addition to a strap structure and securing means, also tension means by the aid of which the straps, secured around the pipe, can be drawn taut.
• a tensioning means attached to a tool according to the invention both in its opened and its closed position.
• the tension means comprises an elongated lever 22 pivotally connected by one end to the part 2 or 3.
• the lever carries on its end adjacent to the pivot, two pins 23 parallelling the pivot axis and placed side by side, the strap 6 affixed by one end to the part 2 or 3 being placeafole to run around the pipe, over the upper pin and down between the pins to be substantially taut.
• the lever 22 is swung the topside way (arrow 24)
• the strap will be wound around the pins and it will be drawn taut around the pipe.
• the lever has been pivotally attached to the part 2 or

Applications Claiming Priority (2)

Publications (1)

Family

ID=8521292

Family Applications (1)

Country Status (6)

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Family Cites Families (8)

• 1985
  • 1985-09-02 FI FI853370A patent/FI77311C/fi not_active IP Right Cessation
• 1986
  • 1986-09-01 JP JP50513986A patent/JPS63501780A/ja active Pending
  • 1986-09-01 EP EP19860905300 patent/EP0267916A1/en not_active Withdrawn
  • 1986-09-01 WO PCT/FI1986/000093 patent/WO1987001426A1/en active Application Filing
  • 1986-09-01 GB GB08804614A patent/GB2206943A/en not_active Withdrawn
  • 1986-09-01 DE DE19863690460 patent/DE3690460T1/de not_active Withdrawn

Non-Patent Citations (1)

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