EP0701492A1 - Process for installing a conduit pipe system and device for unreleasable connection - Google Patents
Process for installing a conduit pipe system and device for unreleasable connectionInfo
- Publication number
- EP0701492A1 EP0701492A1 EP94916899A EP94916899A EP0701492A1 EP 0701492 A1 EP0701492 A1 EP 0701492A1 EP 94916899 A EP94916899 A EP 94916899A EP 94916899 A EP94916899 A EP 94916899A EP 0701492 A1 EP0701492 A1 EP 0701492A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- press
- pressing
- jaws
- stationary
- section
- 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.)
- Granted
Links
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.
- piping systems For the transport of liquid and gaseous media, especially in buildings, but also on ships, piping systems are installed, which essentially consist of long pipe sections and associated elements such as fittings, fittings and molded parts.
- the connection of the line pipe sections to one another or to the elements mentioned is carried out either releasably, for example by screwing, or non-releasably by welding, soldering or pressing.
- press systems have been developed by various manufacturers, which are characterized by elements which have at least one compressible end region and a sealing ring arranged in this region and are pushed into the smooth-ended conduit sections cut to length and inserted by means of a portable press tool with the respective inserted one Line pipe ends are connected (see prospect Mannesmann Engineering GmbH, 1992 (extracts); see prospect Benkan, 1992 (extracts); s. Viega brochure, March 1990 (extracts)).
- EP-AO 390 747 to press so-called composite pipes, consisting of a plastic pipe and a metal pipe pushed over it, onto the socket of a fitting or onto a support sleeve by means of a portable pressing tool.
- the socket or the support sleeve has recesses in the form of grooves and furrows.
- a variant of this method a
- the press ring is designed so that it is placed in the open position around the press area of the fitting, the fitting or the molded part and, after the ends have been closed, the drive device is attached to carry out the pressing.
- Line pipe systems for example in the installation shaft of a high-rise building or on a ship, is the gradual pressing of the each element with an associated pipe section or with a further element very expensive.
- the tool as a whole or the press ring must be put on, the pressing carried out and the tool removed again.
- the respective free pipe length must be determined and under
- the required insertion length is taken into account
- the object of the invention is to provide a method for installing a generic conduit system with which the compression can be carried out in a simple manner and with shorter cycle times, in particular for the dimension 2 1/2 "and larger, and with which
- a corresponding device for this purpose is also to be created.
- the proposed prefabrication can be automated to a large extent, since the stationary pressing device has appropriate aids
- the stationary pressing device can be provided with a release block, the proper pushing or pushing being monitored either via an optical measuring device connected to a computer or mechanically via correspondingly attached sensors (DE-B-40 12 504).
- Compression plays an important role. Even a part that is only partially inserted can in principle be pressed. However, sooner or later such an insufficient pressing leads to
- Overlap control of the inserted or pushed-on part the angular arrangement of an element can also be checked.
- the angle in relation to the system axis is essential for all elements that are not rotationally symmetrical, such as T-piece, bend, transition bend and transition angle as well as fittings.
- Checking the angular position can also be electronically linked to a trip block.
- the advantages of the method according to the invention can be seen in the fact that the proposed prefabrication can be used to automate a large part of the individual work steps, preferably in the workshop. This begins with cutting the desired pipe sections to length, deburring the two ends and feeding them to the stationary one
- the element to be connected can also be removed from a container by means of a gripper arm of a robot and inserted into the pressing device in the correct position and angle.
- the line pipe section is pushed into the element via drive rollers or suitably designed grippers.
- a sensor element monitors the
- the command to trigger the pressing process is only issued after release. After pressing, the
- Pressing device moved apart and the prefabricated section of the pressing device removed. Then either one
- Branch elements using the already known portable crimping pliers The method is particularly advantageous in terms of saving time if several pressings are carried out simultaneously and in particular the line pipe sections with the large cross sections are prefabricated.
- the handling of the pressing tongs, which are particularly heavy for the large dimensions, in areas of the installation system that are difficult to access can then be omitted.
- the desired shorter cycle times are achieved according to the invention in that several press jaws of different nominal dimensions can be arranged in a cassette. Depending on the dimension to be pressed, the corresponding press jaw can be pushed mechanically, hydraulically or pneumatically out of the cassette into the engagement area of the press.
- a further cassette is arranged in addition to a first stationary cassette. This second cassette can be arranged displaceably in the axial direction, but does not have to, since the necessary displacement can also be realized by displacing the press jaws removed. The distance between the two pressing locations can be set precisely by means of the shift.
- Two-way pressing can be expanded by arranging a further press that can be moved in the system direction in addition to a first stationary press.
- the displacement of this second press corresponds to the free one
- strand sections To be able to design strand sections is proposed to provide a rotatable annular disk at the center of a stationary press, on which at least one further press is arranged so as to be displaceable in the radial direction. Due to the circular rotation in connection with the radial displaceability, practically any strand section configuration can be set to a limited extent as far as the radial distance of the two presses from one another is concerned. If the height of the second press is also adjustable, then strand sections running in the room can also be produced. For the majority of the use cases, however, one will only deal with the
- the stationary press as a double press and provide a movable press to the right and left of it.
- the insertion and adjustment on the one hand and the pressing and removal on the other hand can then be carried out simultaneously in the cycle change.
- This arrangement would also have the advantage that if one press part failed, the other press part could continue to be used.
- This holding element can be, for example, a turnstile or a, more general
- rotating star with, for example, three or five arms.
- the number of arms depends on the size of the press jaw and the possibility of accommodating the rotating star in the press.
- the previously described concept of equipping the stationary press with a plurality of press jaws can also be used, for example, for multiple pressing in a double strand, in particular for one
- Double pipe crossing element to perform.
- at least one further pair of press jaws is assigned axially offset in the longitudinal and transverse directions to a first pair of press jaws.
- one further pair of press jaws is assigned axially offset in the longitudinal and transverse directions to a first pair of press jaws.
- Double pipe crossing piece would arrange two more pairs of press jaws to be able to carry out four pressings simultaneously.
- the press contour of the respective press jaw depends on the profile of the parts to be pressed, it has proven to be advantageous to arrange a circumferential press web in addition to the approximately semicircular press groove for pressing the sealing ring on one side. As is known, this press bridge in
- Figure 1 is a longitudinal view of a prefabricated section of a
- FIG. 2 shows a view in the direction X in FIG. 1
- Figure 3 schematically shows a simultaneous inventive
- FIG. 4 schematically shows the essential elements of an inventive
- FIG 1 a section of a conduit to be installed is shown in a longitudinal view and in Figure 2 in a view.
- this line section consists of line pipe sections 1, 2, 3 with different free lengths L1, L2, L3.
- These line pipe sections 1, 2, 3 are connected to elements typical of a line run, such as T-pieces 4.5 and 90 degree bend 6.
- T-pieces 4.5 and 90 degree bend 6 For the sake of simplicity, two T-pieces 4, 5, which have an equally large outlet 7,8, were chosen have the through tube. It could just as well be T-pieces that have a reduced or extended outlet and an outlet with an internal thread.
- the two T-pieces 4.5 are offset by 90 degrees
- 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.
- length L1 to be cut off L1 + E11 + E21 to be determined.
- FIG. 3 schematically shows a simultaneous one according to the invention
- Double pressing shown In this illustration, a T-piece 11 with an outlet 12 of the same size is fixed to a stationary pressing point 10. A line pipe section 13 with the free length L1 is inserted on the left-hand side. On the right side of the passage of the T-piece 11, a reducer 14 is inserted.
- the pressing device not shown here, in the area of the stationary pressing point has two pairs of jaws 15, 15 ', 16, 16', the pair of jaws 16, 16 'arranged on the right being additionally axially displaceable. This axial
- Displaceability indicated here by the arrows 19, 19 ', makes it possible for the jaw presses 15, 15', 16, 16 'to have the required position, depending on the distance between the two pressing areas 17, 18. After appropriate insertion and adjustment, both can be done at the same time
- Pressing can be carried out.
- the radial infeed is indicated by the arrows 20, 20 ', 21, 21'.
- a further line pipe section 22 is shown, which has been pressed together with the reducer 14 in a separate pressing device. Instead of the line pipe section 22, however, a
- Auxiliary element can be inserted into the reducer 14 to the
- Clamping device 23 flanged at the end.
- the axial displacement is indicated by arrow 24.
- the clamping device 23 be rotated, as indicated by arrow 25. This rotation is necessary so that, as shown in FIGS. 1, 2, for example, a second T-piece can be arranged offset to this T-piece 11, which is pressed here.
- Front pipes 31, for example 6 m long, are stored on a high store 30 in a straightforward manner.
- a second one can be placed next to or opposite this high bearing 30, not here
- a sawing or cutting unit 33 can be moved into the axis of this roller table 32.
- the movability is indicated by an arrow 34.
- this device 33 has a
- a stationary press 36 is arranged in the axis of this roller table 35.
- the fitting or molded part or fitting (not shown here) is removed from storage containers 38 and inserted into the pressing area of the stationary press 36 in accordance with the position and angle.
- a combined inserting and rotating device 39, 39 is arranged on both end faces of the stationary press 36, in each case coupled with a trip block.
- the combined insertion and screwing device 39, 39 'ensures that the cut and deburred straight pipe is properly inserted into the fitting, molded part or fitting fixed in the pressing area and adjusted to the correct angle. Only after checking the correct insertion or the correct angular position is the release lock released and the pressing can take place. So that the stationary press 36 can be loaded with tubes from both sides, an intermediate storage 40 is arranged at the right end of the first roller table 32. Pre-pipe lengths 31 or cut lengths 41 can be temporarily stored here. Not over here
- Swivel arms shown can be transferred to the intermediate roller tubes 35 in the second roller table.
- a second press 42 which can be displaced 43 in relation to the first stationary press 36 in the direction of the roller table.
- This press 42 is also on both ends with a combined insertion and
- Rotating device 39,39 ' provided.
- the advantage of the second displaceable press 42 can be seen in the fact that in connection with the first
- stationary press 36 several pressings can be carried out simultaneously.
- a front pipe 31 is removed from the high store 30 on the left in the picture, placed in the roller table 32 and fed to the sawing and deburring device 33. After cutting to the predetermined length, which could be checked via a measuring point 44, the tube section is placed in the parallel roller table 35.
- the robot 37 which is perpendicular to the roller table direction
- the intermediate storage 40 is a cut tube length 41 at the same time as the previously mentioned work steps removed and placed in the roller table 35.
- a tube section is fed to the stationary press 36 from the left and from the right and inserted into the T-piece by means of the insertion device 39, 39 '.
- a sheet for example a sheet, was previously inserted into the pressing area of the displaceable press 42 by means of a further robot, not shown here.
- the second robot is expediently arranged on the far right at the end of the travel path 43 of the displaceable press 42. After inserting the sheet, the press 42 is shifted to the left until the one lying between the two presses 36, 42
- Pipe section is also inserted in the bend. After adjustment and
- Figure 5 schematically yet another multiple pressing
- Tigur 6 the magazine of the press jaws in turrets of a turnstile
- Figure 7 shows the magazine of the press jaws in Torrn one
- Figure 8 is a half longitudinal section of a press jaw
- Tigur 10 is a cross section along the line A-A in
- Figure 11 shows the arrangement of a multiple jaw press
- Figure 12 shows the arrangement of a movable in the surface
- a stationary press point is arranged on the left side a second press point which can be moved in the system axis.
- the axial displaceability of the second press point is indicated by an arrow 47.
- Both press points each have two pairs of press jaws, of which one pair of press jaws 50.50 'or 15.15' is axially stationary and the other two pairs of press jaws 46.46 'or 16.16' are axially displaceable.
- 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 indicated by arrows.
- a T-piece 11 is the same at the first stationary pressing point Large outlet 12 as the through tube, with a reducer 14 attached to the right rope and a cn on the left and dashed line pipe section 13 simultaneously pressed. After appropriate insertion and adjustment, both of the previously mentioned pairs of jaws can be radially advanced at the same time and the pressing can thus be carried out.
- a sleeve 51 is to be pressed with the previously mentioned conduit section 13 and the conduit section 49 arranged on the left.
- the arrow 48 is intended to indicate that the conduit section 49 on the left, together with the pressing point (see arrow 47), is shifted to the right until the conduit section 17 is inserted into the sleeve 51. After this insertion and the corresponding adjustment, the simultaneous pressing can take place at both pressing points, so that a total of four areas are pressed simultaneously.
- Tigur 6 shows an example of one of the options for magazining several press jaws.
- the press jaws are 56, 56 '; 52.52 '; 51.51 '; 54,54 'arranged in the form of a turnstile 55,55'. In general, it could be a rotating star with three, four or five arms. The number of
- Arms depends on the size of the press jaws and the space available in the press.
- the aforementioned turnstiles 55, 55 ' are on the one hand radially adjustable, identified here by the arrows 58, 58' and, on the other hand, rotatable, marked here by the arrows 57, 57 '.
- the turnstile is turned until the right pair of press jaws lies in the engagement area of the press.
- Another type of magazine is shown in Tigur 7.
- Tigur 7 Here are the individual pairs of press jaws 56, 56 '; 52.52 '; 53, 53 '; 54, 54 'stored in a cassette, not shown.
- the individual press jaws can be removed mechanically, hydraulically or pneumatically from this cassette and placed in the engagement area 59 of the press.
- the radial condition of the pair of press jaws 52, 52 'which is stored in each case is indicated by the arrows 60, 60'.
- FIGS. 9 and 10 show in the partial images a section along the line A-A of a half pressing jaw 61 shown in longitudinal section in partial image 8.
- the pressing web 62 is arranged only on one side of the pressing contour 63.
- Part 9 shows the initially developed hexagonal torrn
- the latter shape of the press bridge 62, 62 ' has the advantage that even with large dimensions of the elements to be pressed, i.e. 2 '' and larger
- the axial anchoring is strengthened. This means that the axial forces that increase with increasing dimensions at the same internal pressure can be safely controlled.
- Figure 11 shows a pressing option with a multiple jaw arrangement. As shown in this example, the region 66 of the respective element to be pressed is enclosed not only by two but by four jaws 67 to 70. This division of the volume to be pressed into more than two
- FIG. 12 shows, schematically, an arrangement in which a second press 75, which is displaceable in the surface, is arranged with a nilsfeslen press 74. The shift in the area is indicated by arrows 76, 77.
- the second press is radially displaceable 77 on rails 78 on the one hand, and on the other hand via a support segment that runs on rails 79 in the circumferential direction 76.
- a complete bypassing of the first stationary press 74 is not necessary, because the kinking or continuing line pipe runs predominantly below 90, 45 degrees or 0 degrees.
- the position of the second press 77 shown here would mean a 90 degree bend, realized via a 90 degree bend 80, as shown here by way of example.
- Press 74 is indicated by two rollers 81 of a roller table. The arrangement of a slide-in control 82 on both presses 74, 77 is also only sketchily indicated. In addition, the stationary press 74 also has a rotating device 83 in order to be able to adjust the line pipe line angle in an appropriate manner.
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)
- Mutual Connection Of Rods And Tubes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Electric Cable Installation (AREA)
- Fuel Cell (AREA)
- Supports For Pipes And Cables (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4318928A DE4318928C1 (en) | 1993-06-03 | 1993-06-03 | Process for the installation of a pipeline system |
DE19934318929 DE4318929C2 (en) | 1993-06-03 | 1993-06-03 | Press for the permanent connection of line pipe sections and elements such as fittings, fittings and molded parts |
DE4318928 | 1993-06-03 | ||
DE4318929 | 1993-06-03 | ||
PCT/DE1994/000652 WO1994029045A1 (en) | 1993-06-03 | 1994-06-02 | Process for installing a conduit pipe system and device for unreleasable connection |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0701492A1 true EP0701492A1 (en) | 1996-03-20 |
EP0701492B1 EP0701492B1 (en) | 1998-12-02 |
Family
ID=25926573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94916899A Expired - Lifetime EP0701492B1 (en) | 1993-06-03 | 1994-06-02 | Process for installing a conduit pipe system and device for unreleasable connection |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0701492B1 (en) |
KR (1) | KR960702776A (en) |
CN (1) | CN1124935A (en) |
AT (1) | ATE173964T1 (en) |
AU (1) | AU675850B2 (en) |
BR (1) | BR9406743A (en) |
CA (1) | CA2164329A1 (en) |
CZ (1) | CZ319695A3 (en) |
DE (1) | DE59407395D1 (en) |
FI (1) | FI955785A0 (en) |
HU (1) | HUT74375A (en) |
NO (1) | NO954887D0 (en) |
SG (1) | SG47423A1 (en) |
WO (1) | WO1994029045A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005017893U1 (en) * | 2005-11-18 | 2006-01-26 | Dipl.-Ing. H. Schulz Hds Hydraulik Gmbh & Co. Kg | Auxiliary device for assembling hydraulic hose lines |
KR101149871B1 (en) * | 2010-02-17 | 2012-05-29 | 웰텍 주식회사 | Device for shaping roundness of inside-joint portions of steel pipes |
CN102128328A (en) * | 2011-03-30 | 2011-07-20 | 杨三龙 | Connection structure for quickly locking metal pipe fitting and special calipers thereof |
CN106583569B (en) * | 2017-01-23 | 2018-02-23 | 湖南金峰金属构件有限公司 | A kind of multiple-unit combines cold extrusion press |
CN109590434B (en) * | 2018-12-25 | 2021-02-26 | 航天海鹰(哈尔滨)钛业有限公司 | Wax mold splicing tool for titanium alloy investment precision casting |
CN110281130B (en) * | 2019-05-05 | 2021-06-11 | 上海航天能源股份有限公司 | Cleaning device for pressure pipeline flange joint |
Family Cites Families (4)
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 (en) * | 1990-04-12 | 1991-07-18 | Dischler, Helmut, Dipl.-Ing., 4040 Neuss | Press tool |
DE9016310U1 (en) * | 1990-11-30 | 1991-02-21 | Hewing GmbH, 4434 Ochtrup | Pipe connection, especially on composite pipes |
-
1994
- 1994-06-02 SG SG1996001064A patent/SG47423A1/en unknown
- 1994-06-02 HU HU9503442A patent/HUT74375A/en unknown
- 1994-06-02 AU AU68412/94A patent/AU675850B2/en not_active Ceased
- 1994-06-02 CA CA002164329A patent/CA2164329A1/en not_active Abandoned
- 1994-06-02 CZ CZ953196A patent/CZ319695A3/en unknown
- 1994-06-02 BR BR9406743A patent/BR9406743A/en not_active Application Discontinuation
- 1994-06-02 DE DE59407395T patent/DE59407395D1/en not_active Expired - Fee Related
- 1994-06-02 EP EP94916899A patent/EP0701492B1/en not_active Expired - Lifetime
- 1994-06-02 WO PCT/DE1994/000652 patent/WO1994029045A1/en not_active Application Discontinuation
- 1994-06-02 CN CN94192330A patent/CN1124935A/en active Pending
- 1994-06-02 AT AT94916899T patent/ATE173964T1/en not_active IP Right Cessation
-
1995
- 1995-12-01 FI FI955785A patent/FI955785A0/en not_active Application Discontinuation
- 1995-12-01 NO NO954887A patent/NO954887D0/en unknown
- 1995-12-04 KR KR1019950705486A patent/KR960702776A/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO9429045A1 * |
Also Published As
Publication number | Publication date |
---|---|
CZ319695A3 (en) | 1996-03-13 |
FI955785A (en) | 1995-12-01 |
HU9503442D0 (en) | 1996-02-28 |
FI955785A0 (en) | 1995-12-01 |
NO954887L (en) | 1995-12-01 |
ATE173964T1 (en) | 1998-12-15 |
AU675850B2 (en) | 1997-02-20 |
AU6841294A (en) | 1995-01-03 |
BR9406743A (en) | 1996-03-12 |
NO954887D0 (en) | 1995-12-01 |
WO1994029045A1 (en) | 1994-12-22 |
KR960702776A (en) | 1996-05-23 |
EP0701492B1 (en) | 1998-12-02 |
HUT74375A (en) | 1996-12-30 |
DE59407395D1 (en) | 1999-01-14 |
CN1124935A (en) | 1996-06-19 |
SG47423A1 (en) | 1998-04-17 |
CA2164329A1 (en) | 1994-12-22 |
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