EP0701492B1 - Verfahren zur installation eines leitungsrohrsystems und vorrichtung zum unlösbaren verbinden - Google Patents

Verfahren zur installation eines leitungsrohrsystems und vorrichtung zum unlösbaren verbinden Download PDF

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Publication number
EP0701492B1
EP0701492B1 EP94916899A EP94916899A EP0701492B1 EP 0701492 B1 EP0701492 B1 EP 0701492B1 EP 94916899 A EP94916899 A EP 94916899A EP 94916899 A EP94916899 A EP 94916899A EP 0701492 B1 EP0701492 B1 EP 0701492B1
Authority
EP
European Patent Office
Prior art keywords
press
jaws
line pipe
stationary
pressing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94916899A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0701492A1 (de
Inventor
Heinz Unewisse
Herbert Foering
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmann AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE4318928A external-priority patent/DE4318928C1/de
Priority claimed from DE19934318929 external-priority patent/DE4318929C2/de
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of EP0701492A1 publication Critical patent/EP0701492A1/de
Application granted granted Critical
Publication of EP0701492B1 publication Critical patent/EP0701492B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/046—Connecting tubes to tube-like fittings

Definitions

  • the invention relates to a method for installing a Line pipe system and a device for the permanent connection of Elements or line pipe sections, according to the preamble of Claim 1 and 7 respectively.
  • DE-U 90 16 310.9 describes a method for installing a conduit system consisting of a compressible area with elements such as fittings, Fittings and molded parts and pipe sections known, in which Line pipe sections and elements pushed onto a nozzle and by means of a externally attached pressing tool are releasably connected to each other.
  • connection of the line pipe sections to each other or with the elements mentioned is either detachable, for example Screw or unsolvable via welding, soldering or pressing.
  • detachable for example Screw or unsolvable via welding, soldering or pressing.
  • Press systems have been developed, which are characterized by elements, the at least one compressible end area and one in this area have arranged sealing ring and in the cut to length, smooth-ended pipe sections inserted and by means of a portable press tool with the inserted pipe end connected (see prospect Mannesmann Brass GmbH, 1992 (in part); s.
  • multi-strand Line pipe systems for example in an installation shaft High-rise or on a ship is the gradual pressing of the respective element with an associated line pipe section or very expensive with another element.
  • the pressing be carried out and the tool removed again.
  • the respective free pipe length is determined and under The required insertion length is taken into account Cut the pipe length and deburr the interface. Only in In a few cases, you will find a suitably cut pipe length take the construction site.
  • the object of the invention is to provide a method for installing a generic conduit system, with which, in particular for the dimension 2 1/2 "and larger, the pressing can be carried out in a simple manner and with shorter cycle times and with which the quality of the connection and thus the security against failure is increased and a corresponding device is to be created for this purpose.
  • a strand section of a Line pipe system in the workshop or at a large construction site in to prefabricate an appropriate assembly hall This has the advantage that you are not just pressing, but two or even several can perform simultaneously.
  • a stationary pressing device the parts to be connected relative to each other moved and aligned with distance and angle and with each other pressed.
  • two are on one element at the same time Pressings carried out.
  • the latter element is the advantage of the method according to the invention On the hand.
  • the press jaw is replaced or another press ring must be created before the second pressing is carried out can.
  • the proposed prefabrication can be largely automated because the stationary pressing device via appropriate tools for example roller table, gripping device, robot, etc., which too connecting parts can be supplied.
  • the quality of the Pressing can be increased because the distance and angle are correct Adjustment before pressing can be checked more easily than with a manual operation on the installation site.
  • the stationary pressing device can be provided with a release block, in which according to the invention the proper pushing or pushing mechanically via appropriately attached sensors (DE-B-40 12 504) is monitored. Instead of sensors, too an optical measuring device connected to a computer be used.
  • the advantages of the method according to the invention can be seen in the fact that through the proposed prefabrication preferably in the workshop Most of the individual steps can be automated. This begins with the cutting of the desired pipe sections Deburring of both ends and the feed to the fixed one Pressing device.
  • the element to be connected can also be connected by means of a Gripper arm of a robot removed from a container and position and be inserted at an angle into the pressing device. About driving rollers or appropriately trained gripper, the conduit section into the Inserted element. A sensor element monitors the proper insertion. The command for is only issued after release Triggering the pressing process. After pressing, the Pressing device moved apart and the prefabricated section of the Press device removed.
  • the displacement of this second press corresponds to the free one Length of a line pipe section between two pressing locations.
  • a rotating ring-shaped press around the center of a stationary press Provide disc on which at least one other press in the radial Direction is arranged. Due to the circular rotation in Connection with the radial displacement, can be limited Circumference, as far as the radial distance between the two presses is concerned practically any strand section configuration can be set. Is the second press also adjustable in height, then are strand sections can also be produced in the room.
  • the left optionally or is arranged to the right of the first stationary press.
  • This arrangement would also have the advantage that Failure of one press section continues with the other press section could be.
  • the previously described magazine of the press jaws in the form of a Cassette can also be realized in the way that the Arrange press jaws on a rotatable holding element.
  • This holding element can be, for example, a turnstile or a, more general in other words, rotating star with, for example, three or five arms.
  • the Number of arms depends on the size of the press jaw and the possibility the placement of the rotating star in the press.
  • you can also Arrangements with three or four jaws may be appropriate.
  • the radial one Displacement of the individual jaws of such multi-jaw arrangements can for example via wedge slides or by means of hydraulic or pneumatic drives take place.
  • the press contour of the respective press jaw depends on the profile of the parts to be pressed, whereby it turned out to be advantageous has, in addition to the approximately semicircular press groove for pressing the Sealing ring on one side in the circumferential direction To attach press bridge.
  • this press bridge in Viewed in the circumferential direction, be hexagonal or lemon-shaped (DE-A-38 33 748). The latter contour is particularly advantageous for pressing dimensions 2 "and larger.
  • FIG 1 is a longitudinal view and in Figure 2 in a view Section of a pipeline to be installed shown.
  • this strand section consists of Line pipe sections 1,2,3 with different free lengths L1, L2, L3.
  • These conduit sections 1,2,3 are connected with for one Cable harness typical elements, such as T-pieces 4.5 and 90 degree bend 6.
  • T-pieces 4.5 typical elements, such as T-pieces 4.5 and 90 degree bend 6.
  • two T-pieces 4.5, one were chosen have the same size outlet 7.8 as the through pipe.
  • it could also be tees that are reduced or expanded Have outlet and an outlet with internal thread.
  • the two T-pieces 4.5 are offset by 90 degrees arranged to each other; an arrangement that is also typical of one Pipeline is.
  • a 90 degree arc At the end of the figure shown on the left Line pipe section 3 is pressed a 90 degree arc, according to Figure 2 runs down at an angle of 45 degrees.
  • the two T-pieces 4, 5 on the one hand and the arch 6 on the other hand can assume any other position relative to one another.
  • FIG. 3 schematically shows a simultaneous one according to the invention Double pressing shown.
  • there is one stationary pressing point 10 a T-piece 11 with an equally large outlet 12 fixed.
  • On the left side is a line pipe section 13 with the free length L1 inserted.
  • pressing device in the area of the stationary pressing point has two pairs of pockets 15, 15 ', 16, 16', the one on the right Jaw pair 16, 16 'is also axially displaceable.
  • This axial Movability indicated here by the arrows 19, 19 ', enables that depending on the distance between the two pressing areas 17, 18 Cheek presses 15, 15 ', 16, 16' have the required position.
  • FIG 4 are the essential elements of a schematic Production line shown according to the invention.
  • straight tubes 31 for example of a length of 6 m, are ready to be called stored.
  • a second not here shown high camp be arranged.
  • the movability is indicated by an arrow 34.
  • this device 33 with a Deburring device combined so that both ends of the front tube 31st can be deburred.
  • a tube length or a correspondingly shorter cut means not here shown swivel arms after the pre-processing of the former Pass roller table 32 into a parallel roller table 35.
  • the axis of this roller table 35 is a stationary press 36 arranged.
  • storage containers 38 becomes the one to be pressed Fitting or molded part or fitting (not shown here) removed and in the correct position and angle in the pressing area of the stationary press 36 inserted.
  • this roller table 35 At the right end of this roller table 35 is a second press 42 is arranged to the first stationary Press 36 is displaceable 43 in the direction of the roller table.
  • This press too 42 is on both ends with a combined insertion and Rotating device 39,39 'provided.
  • the advantage of the second sliding Press 42 can be seen in connection with the first stationary press 36 carried out several pressings simultaneously can be.
  • the steps listed below could mostly run automatically. From the high camp on the left 30, a front pipe 31 is removed, placed in the roller table 32 and the Sawing and deburring device 33 supplied. After cutting on the predetermined length, this being checked via a measuring point 44 could be, the pipe section is in the parallel roller table 35 laid.
  • the robot 37 which is perpendicular to the roller table direction is movable 45, has the selected one of the storage containers 38 Fitting, for example a T-piece removed and in the pressing area of the fixed press 36 placed.
  • the intermediate storage 40 becomes the same a cut tube length 41 removed and placed in the roller table 35. From the left and from the right the stationary press 36 each fed a pipe section and by means of Insertion device 39, 39 'is pushed into the T-piece.
  • Robot in the pressing area of the displaceable press 42, for example a bow inserted.
  • the second robot is expediently whole right at the end of travel 43 of displaceable press 42 arranged.
  • the press 42 will move as far shifted to the left until the one between the two presses 36, 42 Pipe section is also inserted in the bend.
  • the correct insertion or the angular position is checked simultaneous triple pressing, d. H. two pressings on T-piece and pressing on elbows.
  • the stationary press 36 of the present invention is a variety of others Possibilities roller tables, sawing or cutting devices, measuring points, To arrange high storage, intermediate storage and other presses.
  • the choice of Arrangement depends on the one hand on the available space, on pressing dimension range and the largest transportable ready-to-install line pipe section.
  • FIG. 47 A further multiple pressing is shown schematically in FIG shown.
  • a stationary press station on the left side second second pressable in the system axis arranged.
  • the axial displacement of the second press point is indicated by an arrow 47.
  • Both press points each have two pairs of press jaws, one of which is a pair of press jaws 50.50 'and 15.15' is axially stationary and the two other pairs of press jaws 46,46 'and 16,16' axially displaceable are.
  • the axial displacement of the latter pairs of press jaws is indicated by an arrow.
  • the radial deliverability of all the press jaws mentioned is also by arrows featured.
  • the first stationary press point a T-piece 11, which is of the same size Outlet 12 as the through tube has, with a on the right ropes reducer 14 and one line pipe section arranged on the left and drawn in dashed lines 13 pressed at the same time. After appropriate insertion and adjustment can both be done simultaneously beforehand mentioned pairs of jaws radially delivered and thus the pressing be performed.
  • the second axially displaceable press point for example a sleeve 51 with the aforementioned pipe section 13 and the line pipe section arranged on the left 49 are pressed.
  • the sliding arrow 48 is intended to indicate that the left pipe section 49 together with the pressing point (see arrow 47) to the right is moved until the first named pipe section 17 is inserted into the sleeve 51. After this insertion and the corresponding adjustment, the simultaneous pressing take place at both pressing points, so that overall four areas are pressed at the same time.
  • the initially mentioned axial displaceability of a pair of jaws is required thus the distance between the pairs of jaws that belong together 50.50 '; 40.40' or 15.15 '; 16.16' the distance between the pressing areas of the respective element can be adjusted.
  • Figure 6 shows an example of one of the possibilities of a magazine several press jaws.
  • it could be a rotating star with three, four or five arms.
  • the number of Arms depend on the size of the press jaws and the Space in the press.
  • the previously mentioned turnstiles 55,55 ' are radially adjustable, marked here rotatable by arrows 58, 58 'and to the other, here marked by arrows 57, 57 '.
  • the turnstile is turned until the right pair of press jaws in the engagement area of the press lies.
  • FIG. Another type of magazine is shown in FIG.
  • This can be done mechanically, hydraulically or pneumatically Cassette the individual press jaws removed and into the engagement area 59 are filed in the press.
  • FIGS. 9 and 10 show a section along in the partial images the line A-A of a half shown in longitudinal section Press jaw 61 in partial image 8.
  • the Press bar 62 is arranged only on one side of the press contour 63.
  • Part 9 shows the initially developed hexagonal shape 64 of the press bridge 62 and drawing 10 which later developed further lemon-shaped form 65.
  • the latter form of Press bridge 62,62 ' has the advantage that even with large dimensions the elements to be pressed, i.e. 2 '' and larger the axial anchoring is strengthened. So that can with the same internal pressure increasing with increasing dimension Axial forces can be mastered safely.
  • Figure 11 shows a pressing option with a multiple jaw arrangement.
  • the area 66 of the respective element not only to be pressed enclosed by two, but by four jaws 67 to 70.
  • This Distribution of the volume to be pressed into more than two The purpose of baking is to reduce the required depth of penetration.
  • the radial feed 71 the jaws 67 to 70 can for example be corresponding arranged wedge gate valve 72 or via a hydraulic or pneumatic drive 72. To the drawing too simplify, the three remaining wedge slides or Drives have been omitted.
  • Figure 12 shows schematically an arrangement in which a stationary press 74 a two-way sliding in the surface Press 75 is arranged.
  • the shift in the area is indicated by arrows 76.77.
  • the second press for one is radially displaceable 77 on rails 78 and the other via a support segment that runs on rails 79 in the circumferential direction 76.
  • a complete bypass of the first fixed Press 74 is not necessary because of the kinking or further pipeline mainly under 90, 45 degrees or 0 degrees.
  • the position shown here second press 77 would mean a 90 degree kink over a 90 degree bend 80, as exemplified here.
  • the possibility of loading the first stationary Press 74 is indicated by two rollers 81 of a roller table.
  • the arrangement is also only sketchily indicated a slide-in control 82 on both presses 74, 77.
  • the stationary press 74 also has a rotating device 83 to adjust the pipe string to the correct angle to be able to.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Pipeline Systems (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Electric Cable Installation (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Supports For Pipes And Cables (AREA)
  • Fuel Cell (AREA)
EP94916899A 1993-06-03 1994-06-02 Verfahren zur installation eines leitungsrohrsystems und vorrichtung zum unlösbaren verbinden Expired - Lifetime EP0701492B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4318928A DE4318928C1 (de) 1993-06-03 1993-06-03 Verfahren zur Installation eines Leitungsrohrsystems
DE19934318929 DE4318929C2 (de) 1993-06-03 1993-06-03 Presse zum unlösbaren Verbinden von Leitungsrohrabschnitten und Elementen wie Fittings, Armaturen und Formteile
DE4318929 1993-06-03
DE4318928 1993-06-03
PCT/DE1994/000652 WO1994029045A1 (de) 1993-06-03 1994-06-02 Verfahren zur installation eines leitungsrohrsystems und vorrichtung zum unlösbaren verbinden

Publications (2)

Publication Number Publication Date
EP0701492A1 EP0701492A1 (de) 1996-03-20
EP0701492B1 true EP0701492B1 (de) 1998-12-02

Family

ID=25926573

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94916899A Expired - Lifetime EP0701492B1 (de) 1993-06-03 1994-06-02 Verfahren zur installation eines leitungsrohrsystems und vorrichtung zum unlösbaren verbinden

Country Status (14)

Country Link
EP (1) EP0701492B1 (no)
KR (1) KR960702776A (no)
CN (1) CN1124935A (no)
AT (1) ATE173964T1 (no)
AU (1) AU675850B2 (no)
BR (1) BR9406743A (no)
CA (1) CA2164329A1 (no)
CZ (1) CZ319695A3 (no)
DE (1) DE59407395D1 (no)
FI (1) FI955785A (no)
HU (1) HUT74375A (no)
NO (1) NO954887D0 (no)
SG (1) SG47423A1 (no)
WO (1) WO1994029045A1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005017893U1 (de) * 2005-11-18 2006-01-26 Dipl.-Ing. H. Schulz Hds Hydraulik Gmbh & Co. Kg Hilfsvorrichtung zum Konfektionieren von Hydraulik-Schlauchleitungen
KR101149871B1 (ko) * 2010-02-17 2012-05-29 웰텍 주식회사 강관 연결시공용 내부정형장치
CN102128328A (zh) * 2011-03-30 2011-07-20 杨三龙 金属管件快速锁紧的连接结构及其专用卡钳
CN106583569B (zh) * 2017-01-23 2018-02-23 湖南金峰金属构件有限公司 一种多单元组合冷挤压机
CN109590434B (zh) * 2018-12-25 2021-02-26 航天海鹰(哈尔滨)钛业有限公司 一种用于钛合金熔模精密铸件的蜡模拼接工装
CN110281130B (zh) * 2019-05-05 2021-06-11 上海航天能源股份有限公司 一种压力管道法兰接头的清理装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241224A (en) * 1963-01-10 1966-03-22 Banister Construction 1963 Ltd Method and machine for coupling pipes
US4257155A (en) * 1976-07-26 1981-03-24 Hunter John J Method of making pipe coupling joint
DE9007414U1 (de) * 1990-04-12 1991-07-18 Dischler, Helmut, Dipl.-Ing., 4040 Neuss Preßwerkzeug
DE9016310U1 (de) * 1990-11-30 1991-02-21 Hewing GmbH, 4434 Ochtrup Rohrverbindung, insbesondere an Verbundrohren

Also Published As

Publication number Publication date
BR9406743A (pt) 1996-03-12
FI955785A0 (fi) 1995-12-01
WO1994029045A1 (de) 1994-12-22
DE59407395D1 (de) 1999-01-14
NO954887L (no) 1995-12-01
AU6841294A (en) 1995-01-03
ATE173964T1 (de) 1998-12-15
HU9503442D0 (en) 1996-02-28
EP0701492A1 (de) 1996-03-20
CN1124935A (zh) 1996-06-19
AU675850B2 (en) 1997-02-20
SG47423A1 (en) 1998-04-17
FI955785A (fi) 1995-12-01
CZ319695A3 (en) 1996-03-13
NO954887D0 (no) 1995-12-01
HUT74375A (en) 1996-12-30
KR960702776A (ko) 1996-05-23
CA2164329A1 (en) 1994-12-22

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