CN109000071A - A kind of reinforced thermoplastics multiple tube jointing and attaching method thereof - Google Patents

A kind of reinforced thermoplastics multiple tube jointing and attaching method thereof Download PDF

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Publication number
CN109000071A
CN109000071A CN201811018957.3A CN201811018957A CN109000071A CN 109000071 A CN109000071 A CN 109000071A CN 201811018957 A CN201811018957 A CN 201811018957A CN 109000071 A CN109000071 A CN 109000071A
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rtp
tubing
installation
tube
connector
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CN201811018957.3A
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CN109000071B (en
Inventor
王庆昭
刘文舒
秦升学
张战欢
王大鹏
孙岩
张兆
刘鹏
徐超
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/14Flanged joints

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Sleeves (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The present invention relates to the compound pipeline connection area of reinforced thermoplastics, especially a kind of fiber enhanced thermoplastic composite plastic tube connects device and method;Its primary structure includes RTP tube material, single connection orchid connector core pipe, doubly-linked straight coupling core pipe, casing, indent horizontal segment, screw thread horizontal segment, vertical section, root circumferential groove, indent, tubing section, linkage section, middle part annular groove;It further include tube filling machine and spinning machine required for installing;RTP joint inner core is equipped with twice arc groove, and after completing connector spinning indent process, more apparent deformation occurs for RTP tube material especially RTP fiber-reinforced layer, to resist the axial force generated when RTP tube material bears internal pressure;RTP joint inner core external heater can be used to heat RTP tube material when being packed into RTP tube material, reduce the resistance that fiber is mobile in fiber-reinforced layer, conducive to the flaring and loading of RTP tube material;Its is structurally reasonable, and application environment is friendly.

Description

A kind of reinforced thermoplastics multiple tube jointing and attaching method thereof
Technical field:
The present invention relates to the compound pipeline connection area of reinforced thermoplastics, especially a kind of fiber reinforced thermolplastic modeling Expect that multiple tube connects device and method.
Background technique:
Reinforced thermoplastics multiple tube (Reinforced thermoplastic composite pipe, referred to as RTP), usually three-decker, internal layer are the thermoplastics such as HDPE, and middle layer is by glass fibre, aramid fiber, carbon fiber The enhancement layer that other reinforcements such as dimension, steel wire are constituted, outer layer are the thermoplastics protective layers such as HDPE.RTP combines traditional gold The advantages of metal conduit and plastic conduit, there is corrosion-resistant, high pressure resistant, flexibility the significant advantages such as can coil well, extensive at present Applied to oil, the transport field of gas and water.The interconnection technique of RTP is one of the core technology of RTP tube road system, the connection side of RTP Formula restricts the performances such as pressure-resistant, corrosion-resistant of RTP tube road system.
The connection type in RTP tube road mainly includes machinery pressure compact form and on-mechanical compression type at this stage.On-mechanical compression type Connection includes that hot-melt adhesive paste is connected with electric smelting, and principle is will by fusing RTP plastic inner pipe or outer tube (or plastics inner and outer pipe) Plastic molten melt welds together, and completes pipeline connection and sealing, this connection type is only applicable to the connection of RTP low pressure.Mechanical compaction Formula connection is that metal inner lining pipe is inserted into RTP tube, metal jacket pipe is inserted into outside RTP, internal lining pipe passes through with outer tube Screw thread, bolt or welded connecting.The metal inner lining outer wall and metal-coating inner wall of such connection type are equipped with radial groove or list To sawtooth, RTP tube and connector are fitted together by metal plastic deformation, the inside and outside layer of RTP is moulded by groove or sawtooth The shear action of material resists axial force.Though this connection type can apply to the connection of RTP mesohigh, but still have the following problems: First is that, since connector latus rectum is small, pipe-line system flow is made to become smaller in metal inner lining pipe insertion RTP tube.Second is that as RTP tube road is held By the raising of pressure, the length that metal inner lining pipe needs to be inserted into RTP tube road need to be correspondinglyd increase, and increase the difficulty of internal lining pipe tubulature Degree makes it that can not be suitable for high pressure and connects with the RTP of super-pressure.
Therefore, it is with good economic efficiency that a kind of fiber enhanced thermoplastic composite plastic tube connection device and method are designed And social benefit
Summary of the invention:
It is an object of the invention to overcome disadvantage of the existing technology, seek to design a kind of fiber reinforced thermoplastics Multiple tube connects device and method, and the connection and sealing of pipeline are realized by setting slope chamfering and indent.
The key technology mainly solved with the presence of: the shortcomings that for above-mentioned existing RTP interconnection technique, provide a kind of novel RTP connection method and equipment, to solve the problems, such as that RTP tube joint latus rectum becomes smaller and due to metal inner lining pipe intubating length mistake It is long and RTP high pressure, super-pressure connectivity problem can not be suitable for, propose it is a kind of it is compact-sized, connection is reliable, and pipe can be met simultaneously Road connection, sealing for tubing joints and the connection method of pipeline bonding strength requirement and corresponding equipment.
The present invention relates to a kind of monoblock type reinforced thermoplastics multiple tube jointings, and main structure includes RTP tube Material, single connection orchid connector core pipe, doubly-linked straight coupling core pipe, casing, indent horizontal segment, screw thread horizontal segment, vertical section, root loop To slot, indent, tubing section, linkage section, middle part annular groove;The left end of the columnar single connection orchid connector core pipe of ladder circle is provided with slope Chamfering is indent horizontal segment on the right side of the chamfering of slope, the road 2-4 arc is provided on indent horizontal segment so that RTP tube material to be flared Indent, slope chamfering and indent horizontal segment are inserted into RTP tube material;Indent horizontal segment Right vertical is lifted to form screw thread horizontal segment, It is provided with screw thread on screw thread horizontal segment, to fasten with casing connection, screw thread horizontal segment Right vertical is lifted to form vertical section, erects Flange is provided on straight section, to connect sealing with outer tube;The columnar casing of step circles includes tubing section and linkage section, pipe Material section is inserted in the RTP tube material jacked up by indent horizontal segment, and by being plastically deformed the tubing that links closely, linkage section is provided with screw thread and spiral shell Line horizontal segment is fixedly connected.
Further, when connecting identical tubing, it is straight-through that list connection orchid connector core pipe of the present invention replaces with doubly-linked Connector core pipe, the doubly-linked straight coupling core pipe are symmetrical two single connection orchid connector core pipe compositions, two of them vertical section It is directly connected to, connected component forms middle part annular groove;Two casings are inserted in the indent water of doubly-linked straight coupling core pipe two sides respectively Flat section and screw thread horizontal segment.
RTP tube material in monoblock type reinforced thermoplastics multiple tube jointing of the present invention is to pass through tube filling machine It is pushed into jointing, the main structure of the tube filling machine includes RTP tube material, support frame, hydraulic pump, propelling cylinder, first Mounting plate, the second mounting plate, RTP installs fixture, tubing stationary fixture, limit shaft sleeve, guide sleeve, the first installation axle, fixture shaft, Reinforcing rib, hydraulic tube, RTP connector core pipe, the second installation axle;Propelling cylinder there are two the left and right ends of first mounting plate are fixed, The first installation axle and the second installation axle being fixed on the first mounting plate, the first installation are provided on the inside of two propelling cylinders Reinforcing rib is provided on the outside of plate, the bottom both ends of the first mounting plate are provided with support frame;The ejection end in contact of propelling cylinder Second mounting plate, to push the second mounting plate to move, propelling cylinder is connect by hydraulic tube with hydraulic pump;Second mounting plate is logical Cross up and down two guide sleeves be slidably connected with the first installation axle and the second installation axle, two guide sleeves be socketed in respectively the first installation axle with In second installation axle, to be axially moved offer guiding to the second mounting plate and reducing axial resistance;It is set on second mounting plate It is equipped with RTP installs fixture, RTP installs fixture is socketed in the first installation axle and the second installation axle, follows the second mounting plate back and forth Sliding, RTP installs fixture lower half circular portion are fixed on the second mounting plate, and RTP installs fixture upper half circular portion is turned by fixture Axis is connect with RTP installs fixture lower half circle partial turn, and the upper half circular portion of RTP installs fixture is caught in lower half circular portion, so as to Clamp RTP connector core pipe to be assembled;The lower half circular portion interval of two tubing stationary fixtures is fixed on first installation axle In the second installation axle, the upper half circular portion of the tubing stationary fixture passes through under fixture shaft and the tubing stationary fixture Semi-circular portions rotation connection, the upper half circular portion of tubing fixing mould is caught in lower half circular portion, to clamp RTP tube to be assembled Material, the tubing stationary fixture in left side are fixed at the end of the first installation axle and the second installation axle, the tubing fixing clamp in left side The part socket of the first installation axle and the second installation axle between tool and another tubing stationary fixture is provided with limit shaft sleeve, axis The distance that length is equal to two tubing stationary fixtures is covered, to limit the axial direction of two tubing fixing clamps when the movement of the second mounting plate Movement;The inner surface of RTP installs fixture is provided with bulge loop, the lower half circular portion of RTP connector installation of core pipe to RTP installs fixture, RTP tube material 1 is inserted into the lower half circular portion of two tubing stationary fixtures, and rolling clamp rotary shaft cover closes RTP installs fixture, RTP installation Bulge loop on fixture is caught in the vertical section of RTP connector core pipe;The end of first installation axle and the second installation axle is provided with support frame, Cooperate with the support frame being arranged on the first mounting plate, to support entire tube filling machine.
When tube filling machine of the present invention works, rotary clamp rotary shaft cover closes RTP installs fixture and consolidates RTP connector core pipe Fixed, rotary clamp rotary shaft cover closes tubing stationary fixture and fixes RTP tube material, starts hydraulic pump, and propelling cylinder pushes the second installation RTP connector core pipe is flared by plate by slope chamfering, and indent horizontal segment is inserted into RTP tube material, casing is then passed through screw thread It is connect with screw thread horizontal segment, realizes the connection of tubing and core pipe.
The main structure of spinning machine of the present invention include tubing stationary fixture, mounting seat, mounting rack, master it is electronic Machine, reduction gearbox, driven gear, driving gear, driving gear fixed frame, installation deep bid, deep bid fixed frame, spinning roller fixed frame, rotation Wheel, top wheel fixed frame, top wheel, spinning roller oil cylinder, RTP connector, auxiliary-motor rotating mechanism, tubing supporting table, feed handle, ball wire Bar and RTP tube material;Mounting rack is fixedly installed in circular mounting seat, fixed setting is fixed there are three deep bid on mounting rack Frame is provided with driven gear on deep bid fixed frame, and the installation deep bid of gear structure is engaged with three driven gears simultaneously, three from 120 ° of moving gear interval is uniformly engaged in installation deep bid, so as in the fixed installation deep bid in the radial direction of installation deep bid;Installation Driving gear is provided with immediately below deep bid, driving gear setting is set in driving gear fixed frame, the fixation of driving gear fixed frame It sets in mounting seat, driving gear is engaged with the underface of installation deep bid, driving gear and three driven gear support installations Deep bid, active motor, which is fixed in mounting seat, to be connect by reduction gearbox with driving gear;It is bolted on installation deep bid Opposite direction is fixed with spinning roller fixed frame and top wheel fixed frame respectively, and the center of circle end of spinning roller fixed frame towards installation deep bid is fixedly installed Spinning roller is provided with spinning roller oil cylinder on the other end;The center of circle end of top wheel fixed frame towards installation deep bid is fixedly installed top wheel, top wheel The idler wheel for being greater than spinning roller thickness by two thickness is horizontally disposed to be formed, and cooperation spinning roller steps up the RTP connector to spinning together;It is secondary Motor rotating mechanism is connect with spinning roller oil cylinder, and spinning roller cylinder putter is released in the movement of auxiliary-motor rotating mechanism, and spinning roller is driven to move down To the indent of RTP connector;It is fixedly installed tubing supporting table in mounting seat, feed handle is provided in tubing supporting table, Feed handle is connect with horizontally disposed ball screw, and the tubing stationary fixture for accompanying RTP tube material is placed in tubing supporting table, suitable Rotating counterclockwise feed handle drives ball screw to move forward and backward, so that tubing stationary fixture be pushed to move.
The main structure of auxiliary-motor rotating mechanism of the present invention include installation deep bid, secondary speed reducer, secondary motor, PLC control circuit, battery, crank and rocker mechanism, manual pump, manual pump compression bar;Secondary speed reducer, secondary motor, PLC control electricity Road, battery are each attached to the side of installation deep bid, and battery is powered by electric wire to PLC control circuit, PLC control circuit control Secondary electric motor operation is made, secondary motor is connect by speed reducer with crank and rocker mechanism, crank and rocker mechanism and manual pump compression bar Connection, secondary electric motor operation drives crank and rocker mechanism movement to drive manual pump compression bar to lift and push, thus manual pump The push rod of spinning roller oil cylinder is released in work, realizes the pressing action of spinning roller.
Spinning machine of the present invention is given by rotation in use, the RTP connector after installing is placed on spinning machine RTP connector is pushed into predetermined position into handle, i.e. the underface that is in spinning roller of indent on RTP connector;The starting of PLC control circuit Auxiliary-motor work, drives crank tobacco rod mechanism kinematic to drive manual pump compression bar to lift and push, so that manual pump work goes out Oil releases the push rod of spinning roller oil cylinder, and by the indent of spinning roller indentation RTP connector, starting main motor drives installation deep bid to turn It is dynamic, to drive spinning roller to rotate spinning around RTP connector, by casing spinning into indent.
The present invention provides a kind of installation method of monoblock type RTP jointing, and key step includes:
(1) it is inserted in casing: the casing of monoblock type RTP connector being inserted in RTP tube material first;
(2) fixed RTP tube material: by RTP tube material by two tubing stationary fixtures, then by tubing fixing mould loading tube In material stationary fixture, lid closes tubing stationary fixture and screws down;
(3) fixed RTP inner core tube: the mono- connection orchid joint inner core pipe of RTP is placed in RTP installs fixture, RTP is installed Mold is connect with RTP installs fixture, and then lid closes RTP installs fixture, and screws down;
(4) tubulature: starting tube filling machine hydraulic pump, two cylinder efficients, push rod are released, and the second mounting plate left lateral is pushed to move Dynamic, the mono- connection orchid joint inner core pipe of RTP is packed into RTP tube material;
(5) RTP swagelok is installed: will be previously charged into RTP tube material casing and is installed by screw thread to RTP is mono- and connects bump joint The screw thread horizontal segment of inner core tube completes monoblock type RTP jointing installment work;
(6) spinning machine is fixed: the tubing with monoblock type RTP jointing that step (5) are completed is fixed on spinning machine, Then connector is advanced into designated position by rotation feed handle;
(7) spin slot: starting spinning machine main motor, installation deep bid rotation, spinning machine spinning roller follow the big disc spins of installation;Again Start auxiliary-motor, auxiliary-motor rotation, the hydraulic hand-pump being fixed on installation deep bid is started to work, output hydraulic pressure oil, spinning roller oil The ejection of cylinder push rod, spinning roller come downwards to indent predetermined position, carry out spin slot, then promote connector again, repeat the above steps completion The spinning of second indent completes the installation connection of entire monoblock type RTP jointing.
The installation method of monoblock type RTP jointing of the present invention, the RTP innermost tube are doubly-linked straight coupling core Guan Shi needs the RTP tube material tubulature of advanced one end in tubulature step, then turns the tubulature of 180 ° of completion other ends;It is walked in spin slot In rapid, the connector spin slot of 180 ° of completion other ends should be turned again after the spin slot for completing connector one end.
Monoblock type reinforced thermoplastics multiple tube jointing of the present invention, described sleeve pipe are Ha Fushi casing, Its main structure includes upper half, lower half, connecting key, beading, arc slot section, link block, bolt hole;Ha Fushi casing is identical by two The section of jurisdiction snapping of semi-circular arch bridge like form, two connecting keys are correspondingly arranged at the side of two sections of jurisdiction, to be inserted into indent The root circumferential groove of horizontal segment completes the positioning of Ha Fushi casing and connector core pipe;Two are provided at left and right sides of each section of jurisdiction Section arc slot section compresses RTP tube material to increase frictional force;The centre of each section of jurisdiction is provided with two raised beadings, so as to pipe Piece closes up the twice indent for compressing the core pipe indent horizontal segment;Section of jurisdiction semicircle extends to form link block, is provided on link block Bolt hole is fixed after closing up so as to section of jurisdiction with bolt.
Connection can be completed in use, the indent of beading alignment indent horizontal segment is closed up to tighten in Ha Fushi casing.
The present invention relates to a kind of installation method of Ha Fushi reinforced thermoplastics multiple tube jointing, key steps Include:
(1) fixed RTP tube material: by RTP tube material by two tubing stationary fixtures, then by tubing fixing mould loading tube In material stationary fixture, lid closes tubing stationary fixture and screws down;
(2) fixed RTP inner core tube: the mono- connection orchid joint inner core pipe of RTP is placed in RTP installs fixture, RTP is installed Mold is connect with RTP installs fixture, and then lid closes RTP installs fixture, and screws down;
(3) tubulature: starting tube filling machine hydraulic pump, two cylinder efficients, push rod are released, and the second mounting plate left lateral is pushed to move Dynamic, the mono- connection orchid joint inner core pipe of RTP is packed into RTP tube material;
(4) casing is installed: the connecting key of Ha Fushi casing is inserted into the mono- connection orchid joint inner core pipe indent horizontal segment of RTP Root circumferential groove, by fasten Ha Fushi casing both ends bolt be adjacent to upper and lower two halves Ha Fushi casing, complete connector peace Fill work.
When being socketed doubly-linked straight coupling core pipe, it is socketed two Ha Fushi casings simultaneously on both sides.
The working principle of RTP connection method of the present invention and equipment are as follows: RTP joint inner core has chamfering slope, is conducive to The flaring of RTP tube material is inserted into;RTP joint inner core internal diameter is equal to RTP tube material internal diameter, and connector does not reduce the flow of RTP tube road system Latus rectum;RTP joint inner core is equipped with twice arc groove, after completing connector spinning indent process, RTP tube material especially RTP fiber More apparent deformation occurs for enhancement layer, to resist the axial force generated when RTP tube material bears internal pressure;RTP joint inner core is packed into RTP tube It external heater can be used to heat RTP tube material when material, reduce the resistance that fiber is mobile in fiber-reinforced layer, conducive to RTP tube material Flaring and loading;A type monoblock type RTP swagelok occurs obviously to be plastically deformed under the pressure of spinning machine spinning roller, Type B Ha Fushi RTP swagelok is compressed, two types casing is all completed by its inwardly protruded twice beading under the fastening effect of bolt Compressing RTP tube material enters in the groove at the RTP joint inner core pre-set, completes the connection and sealing of RTP connector, guarantees The intensity and reliability of connector.
Detailed description of the invention:
Fig. 1 single connection orchid joint structure schematic diagram of the present invention
Single connection orchid joint structure schematic diagram after Fig. 2 spin slot of the present invention
Fig. 3 doubly-linked straight coupling structural schematic diagram of the present invention
Doubly-linked straight coupling structural schematic diagram after Fig. 4 spin slot of the present invention
Fig. 5 Ha Fushi cannula structure schematic diagram of the present invention
Fig. 6 Ha Fushi casing assembling schematic diagram of the present invention
Fig. 7 tube filling machine main structure schematic illustration of the present invention
Fig. 8 spinning machine main structure schematic illustration of the present invention
Fig. 9 spinning machine auxiliary-motor rotating mechanism schematic diagram of the present invention
Figure 10 spinning machine tubing supporting table schematic illustration of the present invention
Specific embodiment:
The present invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment 1:
The main structure for the monoblock type reinforced thermoplastics multiple tube jointing that the present embodiment is related to includes RTP tube material 1, single connection orchid connector core pipe 2, doubly-linked straight coupling core pipe 3, casing 4, indent horizontal segment 5, screw thread horizontal segment 6, vertical section 7, Root circumferential groove 8, indent 9, tubing section 10, linkage section 11, middle part annular groove 12;The columnar single connection orchid connector core pipe of ladder circle 2 left end is provided with slope chamfering, is indent horizontal segment 5 on the right side of the chamfering of slope, in indent horizontal segment so that RTP tube material 1 to be flared The road 2-4 arc indent 9 is provided on 5, slope chamfering and indent horizontal segment 5 are inserted into RTP tube material 1, so that the indent 9 of tubing connects It connects;5 Right vertical of indent horizontal segment is lifted to form screw thread horizontal segment 6, and it is (attached not shown that screw thread is provided on screw thread horizontal segment 6 Out), to connect fastening with casing 4,6 Right vertical of screw thread horizontal segment is lifted to form vertical section 7, is provided with method in vertical section 7 Orchid, to connect sealing with outer tube;The columnar casing 4 of step circles include tubing section 10 and linkage section 11,10 sets of tubing section Enter the RTP tube material 1 jacked up by indent horizontal segment 5, and by being plastically deformed the tubing that links closely, linkage section 11 is provided with screw thread and screw thread Horizontal segment 6 is fixedly connected.
Further, when connecting identical tubing, it is straight that single connection orchid connector core pipe 2 that the present embodiment is related to replaces with doubly-linked Pass joint core pipe 3, the doubly-linked straight coupling core pipe 3 are that symmetrical two single connection orchid connector core pipes 2 form, and two of them are perpendicular Straight section 7 is directly connected to, and connected component forms middle part annular groove 12;Two casings 4 are inserted in 3 two sides of doubly-linked straight coupling core pipe respectively Indent horizontal segment 5 and screw thread horizontal segment 6.
The RTP tube material 1 in monoblock type reinforced thermoplastics multiple tube jointing that the present embodiment is related to is to pass through dress Pipe machine is pushed into jointing, and the main structure of the tube filling machine includes RTP tube material 1, support frame 13, hydraulic pump 14, promotes Oil cylinder 15, the first mounting plate 16, the second mounting plate 17, RTP installs fixture 18, tubing stationary fixture 19, limit shaft sleeve 20, guide sleeve 21, the first installation axle 22, fixture shaft 23, reinforcing rib 24, hydraulic tube 25, RTP connector core pipe 27, the second installation axle 28;First The left and right ends of mounting plate 16 are fixed, and there are two propelling cylinders 15, are provided in the inside of two propelling cylinders 15 and are fixed on first The first installation axle 22 and the second installation axle 28 on mounting plate 16 are provided with reinforcing rib 24 on the outside of first mounting plate 16, and The bottom both ends of one mounting plate 16 are provided with support frame 13;The second mounting plate of ejection end in contact 17 of propelling cylinder 15, to push away Dynamic second mounting plate 17 movement, propelling cylinder 15 are connect by hydraulic tube 25 with hydraulic pump 14;Second mounting plate 17 passes through up and down Two guide sleeves 21 are slidably connected with the first installation axle 22 and the second installation axle 28, and two guide sleeves 21 are socketed in the first installation axle respectively 22 and second in installation axle 28, to be oriented to the second mounting plate 17 and reduce axial resistance being axially moved to provide;Second peace RTP installs fixture 18 is provided in loading board 17, RTP installs fixture 18 is socketed in the first installation axle 22 and the second installation axle 28, The second mounting plate 17 is followed to slidably reciprocate, 18 lower half circular portion of RTP installs fixture is fixed on the second mounting plate 17, RTP installation 18 upper half circular portion of fixture is connect by fixture shaft 23 with 18 lower half circle partial turn of RTP installs fixture, RTP installs fixture 18 Upper half circular portion be caught in lower half circular portion, to clamp RTP connector core pipe 27 to be assembled;Two tubing stationary fixtures 19 Lower half circular portion interval is fixed in first installation axle 22 and the second installation axle 28, the upper half of the tubing stationary fixture 19 Circular portion is connect by fixture shaft 23 with the lower half circle partial turn of the tubing stationary fixture 19, tubing fixing mould it is upper Semi-circular portions are caught in lower half circular portion, and to clamp RTP tube material 1 to be assembled, the tubing stationary fixture 19 in left side is fixedly installed In the end of the first installation axle 22 and the second installation axle 28, the tubing stationary fixture 19 in left side and another tubing stationary fixture 19 Between the part socket of the first installation axle 22 and the second installation axle 28 be provided with limit shaft sleeve 20, sleeve length is equal to two pipes The distance of material stationary fixture 19, to limit the axial movement of two tubing stationary fixtures 19 when the movement of the second mounting plate 17;RTP The inner surface of installs fixture 18 is provided with bulge loop, and RTP connector core pipe 27 is installed to the lower half circular portion of RTP installs fixture 18, RTP Tubing 1 is inserted into the lower half circular portion of two tubing stationary fixtures 19, and the lid of rolling clamp shaft 23 closes RTP installs fixture 18, RTP peace Bulge loop in clamps 18 is caught in the vertical section 7 of RTP connector core pipe 27;The end of first installation axle 22 and the second installation axle 28 is set It is equipped with support frame 13, is cooperated with the support frame 13 being arranged on the first mounting plate 16, to support entire tube filling machine.
When the tube filling machine work that the present embodiment is related to, the lid of rotary clamp shaft 23 closes RTP installs fixture 18 for RTP joint core Pipe 27 is fixed, and the lid of rotary clamp shaft 23 closes tubing stationary fixture 19 and fixes RTP tube material 1, starts hydraulic pump 14, propelling cylinder RTP connector core pipe 27 is flared by 15 the second mounting plates 17 of promotion by slope chamfering, and indent horizontal segment 5 is inserted into RTP tube material 1 It is interior, then casing 4 is connect by screw thread with screw thread horizontal segment 6, realizes the connection of tubing and core pipe.
The main structure for the spinning machine that the present embodiment is related to include tubing stationary fixture 19, mounting seat 29, mounting rack 30, Main motor 31, reduction gearbox 32, driven gear 33, driving gear 34, driving gear fixed frame 35, installation deep bid 36, deep bid are solid Determine frame 37, spinning roller fixed frame 38, spinning roller 39, top wheel fixed frame 40, top wheel 41, spinning roller oil cylinder 42, RTP connector 43, auxiliary-motor to turn Motivation structure 44, tubing supporting table 45, feed handle 46, ball screw 47 and RTP tube material 1;It is solid in circular mounting seat 29 Surely be provided with mounting rack 30, on mounting rack 30 fixed setting there are three deep bid fixed frame 37, be provided on deep bid fixed frame 37 from The installation deep bid 36 of moving gear 33, gear structure is engaged with three driven gears 33 simultaneously, and three driven gears 33 are spaced 120 ° It is engaged in installation deep bid 36, uniformly so as in the deep bid of fixed installation in the radial direction 36 of installation deep bid 36;Deep bid 36 is installed Underface is provided with driving gear 34, and for the setting of driving gear 34 in driving gear fixed frame 35, driving gear fixed frame 35 is fixed It is arranged in mounting seat 29, driving gear 34 is engaged with the underface of installation deep bid 36, driving gear 34 and three driven tooths 33 support installation deep bid 36 of wheel, active motor, which is fixed in mounting seat 29, to be connect by reduction gearbox 32 with driving gear 34;Peace Opposite direction respectively is bolted on dress deep bid 36 and is fixed with spinning roller fixed frame 38 and top wheel fixed frame 40,38 court of spinning roller fixed frame It is fixedly installed spinning roller 39 to the center of circle end of installation deep bid 36, spinning roller oil cylinder 42 is provided on the other end;Top wheel 40 court of fixed frame It is fixedly installed top wheel 41 to the center of circle end of installation deep bid 36, top wheel 41 is the roller water for being greater than 39 thickness of spinning roller by two thickness Plain cloth sets composition, and cooperation spinning roller 39 steps up the RTP connector 43 to spinning together;Auxiliary-motor rotating mechanism 44 and spinning roller oil cylinder 42 connect It connects, 42 push rod of spinning roller oil cylinder is released in the movement of auxiliary-motor rotating mechanism 44, and spinning roller 39 is driven to be displaced downwardly at the indent 9 of RTP connector; It is fixedly installed tubing supporting table 45 in mounting seat 29, feed handle 46 is provided in tubing supporting table 45, is fed handle 46 It is connect with horizontally disposed ball screw 47, the tubing stationary fixture 19 for accompanying RTP tube material 1 is placed in tubing supporting table 45, it is suitable Rotating counterclockwise feed handle 46 drives ball screw 47 to move forward and backward, so that tubing stationary fixture 19 be pushed to move.
The main structure of auxiliary-motor rotating mechanism 44 of the present invention includes installation deep bid 36, secondary speed reducer 441, secondary electricity Motivation 442, PLC control circuit 443, battery 444, crank and rocker mechanism 445, manual pump 446, manual pump compression bar 447 and biography Moving axis 448;Secondary speed reducer 441, secondary motor 442, PLC control circuit 443, battery 444 are each attached to installation deep bid 36 Side, battery 444 are powered by electric wire to PLC control circuit 443, and PLC control circuit 443 controls secondary motor 442 and works, Secondary motor 442 is connect through transmission shaft 448 with crank and rocker mechanism 445 by speed reducer 441, crank and rocker mechanism 445 and hand Dynamic pump pressure bar 447 connects, and the secondary work of motor 442 drives the movement of crank tobacco rod mechanism 445 to drive manual pump compression bar 447 to lift It rises and pushes, so that the push rod of spinning roller oil cylinder 42 is released in the work of manual pump 446, realize the pressing action of spinning roller 39.
Spinning machine that the present embodiment is related to passes through rotation in use, the RTP connector after installing is placed on spinning machine RTP connector is pushed into predetermined position by feed handle 46, i.e. the underface that is in spinning roller 39 of indent 9 on RTP connector;PLC control The work of circuit start auxiliary-motor drives crank to shake the movement of 445 linkages to drive manual pump compression bar to lift and push, thus hand The fuel-displaced push rod by spinning roller oil cylinder 42 of dynamic 446 work of pump is released, and spinning roller 39 is pressed into the indent 9 of RTP connector, starting master is electronic Machine 31 drives installation deep bid 36 to rotate, to drive spinning roller 39 to rotate spinning around RTP connector, by 4 spinning of casing into indent 9.
The present embodiment provides a kind of installation method of monoblock type RTP jointing, key step includes:
(1) it is inserted in casing 4: the casing 4 of monoblock type RTP connector being inserted in RTP tube material 1 first;
(2) fixed RTP tube material 1: by RTP tube material 1 by two tubing stationary fixtures 19, then tubing fixing mould is filled Enter in tubing stationary fixture 19, lid closes tubing stationary fixture 19 and screws down;
(3) fixed RTP inner core tube: the mono- connection orchid joint inner core pipe of RTP is placed in RTP installs fixture 18, RTP is pacified Die-filling tool is connect with RTP installs fixture 18, and then lid closes RTP installs fixture 18, and screws down;
(4) tubulature: starting tube filling machine hydraulic pump 14, two cylinder efficients, push rod are released, and 17 left lateral of the second mounting plate is pushed Mobile, the mono- connection orchid joint inner core pipe of RTP is packed into RTP tube material 1;
(5) RTP swagelok is installed: will be previously charged into 1 casing 4 of RTP tube material and is installed by screw thread to the mono- connection orchid of RTP and connects The screw thread horizontal segment 6 of head inner core tube, completes monoblock type RTP jointing installment work;
(6) spinning machine is fixed: the tubing with monoblock type RTP jointing that step (5) are completed is fixed on spinning machine, Then connector is advanced into designated position by rotation feed handle 46;
(7) spin slot: starting spinning machine main motor 31, installation deep bid 36 rotate, and spinning machine spinning roller 39 follows installation deep bid 36 rotations;Restart auxiliary-motor, auxiliary-motor rotation, the hydraulic hand-pump 14 being fixed on installation deep bid 36 is started to work, output Hydraulic oil, the ejection of 42 push rod of spinning roller oil cylinder, spinning roller 39 come downwards to 9 predetermined position of indent, carry out spin slot, then promote and connect again Head repeats the above steps and completes the spinning of second indent 9, that is, completes the installation connection of entire monoblock type RTP jointing.
The installation method for the monoblock type RTP jointing that the present embodiment is related to, the RTP innermost tube are doubly-linked straight coupling When core pipe 3, in tubulature step, 1 tubulature of RTP tube material of advanced one end is needed, then turns the tubulature of 180 ° of completion other ends;It is revolving In slot step, the connector spin slot of 180 ° of completion other ends should be turned again after the spin slot for completing connector one end.
Embodiment 2:
The monoblock type reinforced thermoplastics multiple tube jointing that the present embodiment is related to, described sleeve pipe 4 are Ha Fushi set Pipe, main structure includes upper half 101, lower half 102, connecting key 103, beading 104, arc slot section 105, link block 106, bolt hole 107;Ha Fushi casing is formed by the section of jurisdiction snapping of two identical semi-circular arch bridge like, and two connecting keys 103 are correspondingly arranged at The side of two sections of jurisdiction, to complete Ha Fushi casing and connector core pipe in the root circumferential groove 8 be inserted on indent horizontal segment 5 Positioning;It is provided with two sections of arc slot sections 105 at left and right sides of each section of jurisdiction, compresses RTP tube material 1 to increase frictional force;Each The centre of section of jurisdiction is provided with two raised beadings 104, compresses the twice pressure of the core pipe indent horizontal segment 5 so that section of jurisdiction closes up Slot 9;Section of jurisdiction semicircle extends to form link block 106, and bolt hole 107 is provided on link block 106, uses bolt after closing up so as to section of jurisdiction It is fixed.
Connection can be completed in use, the indent 9 of beading alignment indent horizontal segment 5 is closed up to tighten in Ha Fushi casing.
The present invention relates to a kind of installation method of Ha Fushi monoblock type reinforced thermoplastics multiple tube jointing, masters The step is wanted to include:
(1) fixed RTP tube material 1: by RTP tube material 1 by two tubing stationary fixtures 19, then tubing fixing mould is filled Enter in tubing stationary fixture 19, lid closes tubing stationary fixture 19 and screws down;
(2) fixed RTP inner core tube: the mono- connection orchid joint inner core pipe of RTP is placed in RTP installs fixture 18, RTP is pacified Die-filling tool is connect with RTP installs fixture 18, and then lid closes RTP installs fixture 18, and screws down;
(3) tubulature: starting tube filling machine hydraulic pump 14, two cylinder efficients, push rod are released, and 17 left lateral of the second mounting plate is pushed Mobile, the mono- connection orchid joint inner core pipe of RTP is packed into RTP tube material 1;
(4) casing is installed: the connecting key of Ha Fushi casing is inserted into the mono- connection orchid joint inner core pipe indent horizontal segment of RTP 5 root circumferential groove 8, the bolt by fastening 4 both ends of Ha Fushi casing are adjacent to upper and lower two halves Ha Fushi casing 4, complete to connect Head installment work.
When being socketed doubly-linked straight coupling core pipe 3, it is socketed two Ha Fushi casings simultaneously on both sides.

Claims (7)

1. a kind of monoblock type reinforced thermoplastics multiple tube jointing, it is characterised in that main structure includes RTP tube material, list Connection orchid connector core pipe, doubly-linked straight coupling core pipe, casing, indent horizontal segment, screw thread horizontal segment, vertical section, root circumferential groove, Indent, tubing section, linkage section, middle part annular groove;The left end of the columnar single connection orchid connector core pipe of ladder circle is provided with slope chamfering, So that RTP tube material to be flared, it is indent horizontal segment on the right side of the chamfering of slope, the road 2-4 arc indent is provided on indent horizontal segment, In slope chamfering and indent horizontal segment insertion RTP tube material;Indent horizontal segment Right vertical is lifted to form screw thread horizontal segment, screw thread water It is provided with screw thread in flat section, to fasten with casing connection, screw thread horizontal segment Right vertical is lifted to form vertical section, in vertical section It is provided with flange, to connect sealing with outer tube;The columnar casing of step circles includes tubing section and linkage section, tubing section set Enter the RTP tube material jacked up by indent horizontal segment, and by being plastically deformed the tubing that links closely, linkage section is provided with screw thread and screw thread is horizontal Section is fixedly connected.
2. monoblock type reinforced thermoplastics multiple tube jointing according to claim 1, it is characterised in that the list Connection orchid connector core pipe replaces with doubly-linked straight coupling core pipe, and the doubly-linked straight coupling core pipe is that symmetrical two single connections are blue Connector core pipe composition, two of them vertical section are directly connected to, and connected component forms middle part annular groove;Two casings are inserted in double respectively The even indent horizontal segment and screw thread horizontal segment of straight coupling core pipe two sides.
3. monoblock type reinforced thermoplastics multiple tube jointing according to claim 1, it is characterised in that the RTP Tubing is pushed into jointing by tube filling machine, and the main structure of the tube filling machine includes RTP tube material, support frame, hydraulic Pump, propelling cylinder, the first mounting plate, the second mounting plate, RTP installs fixture, tubing stationary fixture, limit shaft sleeve, guide sleeve, first Installation axle, fixture shaft, reinforcing rib, hydraulic tube, RTP connector core pipe, the second installation axle;The left and right ends of first mounting plate are fixed There are two propelling cylinders, and the first installation axle and second being fixed on the first mounting plate is provided on the inside of two propelling cylinders Installation axle is provided with reinforcing rib on the outside of the first mounting plate, and the bottom both ends of the first mounting plate are provided with support frame;Promote oil The second mounting plate of ejection end in contact of cylinder, to push the second mounting plate to move, propelling cylinder is connected by hydraulic tube and hydraulic pump It connects;Second mounting plate is slidably connected by upper and lower two guide sleeves with the first installation axle and the second installation axle, and two guide sleeves cover respectively It connects in the first installation axle and the second installation axle, to be axially moved offer guiding to the second mounting plate and reducing axial resistance Power;RTP installs fixture is provided on second mounting plate, RTP installs fixture is socketed in the first installation axle and the second installation axle, with It slidably reciprocates with the second mounting plate, RTP installs fixture lower half circular portion is fixed on the second mounting plate, RTP installs fixture upper half Circular portion is connect by fixture shaft with RTP installs fixture lower half circle partial turn, and the upper half circular portion of RTP installs fixture is caught in Lower half circular portion, to clamp RTP connector core pipe to be assembled;The lower half circular portion interval of two tubing stationary fixtures is fixed on In first installation axle and the second installation axle, the upper half circular portion of the tubing stationary fixture passes through fixture shaft and the pipe The lower half circle partial turn of material stationary fixture connects, and the upper half circular portion of tubing fixing mould is caught in lower half circular portion, to press from both sides Firmly RTP tube material to be assembled, the tubing stationary fixture in left side are fixed at the end of the first installation axle and the second installation axle, left The part socket of the first installation axle and the second installation axle between the tubing stationary fixture of side and another tubing stationary fixture is set It is equipped with limit shaft sleeve, sleeve length is equal to the distance of two tubing stationary fixtures, to limit two when the movement of the second mounting plate The axial movement of tubing fixing clamp;The inner surface of RTP installs fixture is provided with bulge loop, RTP connector installation of core pipe to RTP installation folder The lower half circular portion of tool, RTP tube material 1 are inserted into the lower half circular portion of two tubing stationary fixtures, and rolling clamp rotary shaft cover closes RTP peace Clamps, the bulge loop in RTP installs fixture are caught in the vertical section of RTP connector core pipe;The end of first installation axle and the second installation axle Portion is provided with support frame, cooperates with the support frame being arranged on the first mounting plate, to support entire tube filling machine.
4. monoblock type reinforced thermoplastics multiple tube jointing according to claim 1, it is characterised in that described RTP tube material is that spin slot is carried out in spinning machine, and the main structure of the spinning machine includes tubing stationary fixture, mounting seat, peace It shelves, main motor, reduction gearbox, driven gear, driving gear, driving gear fixed frame, installation deep bid, deep bid fixed frame, rotation Take turns fixed frame, spinning roller, top wheel fixed frame, top wheel, spinning roller oil cylinder, RTP connector, auxiliary-motor rotating mechanism, tubing supporting table, feed Handle, ball screw and RTP tube material;It is fixedly installed mounting rack in circular mounting seat, is fixedly installed on mounting rack Three deep bid fixed frames, are provided with driven gear on deep bid fixed frame, the installation deep bid of gear structure simultaneously with three driven tooths Wheel occlusion, three 120 ° of driven gear intervals are uniformly engaged in installation deep bid, so as to fixing in the radial direction in installation deep bid Deep bid is installed;Driving gear is provided with immediately below installation deep bid, driving gear is arranged in driving gear fixed frame, driving gear Fixed frame is fixed in mounting seat, driving gear with installation deep bid underface be engaged, driving gear and three it is driven Gear support installation deep bid, active motor, which is fixed in mounting seat, to be connect by reduction gearbox with driving gear;It installs on deep bid Opposite direction respectively is bolted and is fixed with spinning roller fixed frame and top wheel fixed frame, the center of circle of spinning roller fixed frame direction installation deep bid End is fixedly installed spinning roller, and spinning roller oil cylinder is provided on the other end;The center of circle end fixation of top wheel fixed frame towards installation deep bid is set It is equipped with top wheel, the idler wheel that top wheel is greater than spinning roller thickness by two thickness is horizontally disposed to be formed, and cooperation spinning roller steps up together wait revolve The RTP connector of pressure;Auxiliary-motor rotating mechanism is connect with spinning roller oil cylinder, and the movement of auxiliary-motor rotating mechanism pushes away spinning roller cylinder putter Out, spinning roller is driven to be displaced downwardly at the indent of RTP connector;Tubing supporting table is fixedly installed in mounting seat, in tubing supporting table It is provided with feed handle, feed handle connect with horizontally disposed ball screw, places in tubing supporting table and accompany RTP tube material Tubing stationary fixture drives ball screw to move forward and backward, so that tubing stationary fixture be pushed to transport along feed handle is rotated counterclockwise It is dynamic.
5. monoblock type reinforced thermoplastics multiple tube jointing according to claim 4, it is characterised in that the pair The main structure of motor rotating mechanism includes installation deep bid, secondary speed reducer, secondary motor, PLC control circuit, battery, crank Rocker device, manual pump, manual pump compression bar;Secondary speed reducer, secondary motor, PLC control circuit, battery are each attached to installation greatly The side of disk, battery are powered by electric wire to PLC control circuit, and PLC control circuit controls secondary electric motor operation, secondary motor It is connect by speed reducer with crank and rocker mechanism, crank and rocker mechanism is connect with manual pump compression bar, and secondary electric motor operation drives bent The movement of handle rocker device is to drive manual pump compression bar to lift and push, so that manual pump work pushes away the push rod of spinning roller oil cylinder Out, the pressing action of spinning roller is realized.
6. monoblock type reinforced thermoplastics multiple tube jointing according to claim 1, it is characterised in that described whole The installation method of body formula reinforced thermoplastics multiple tube jointing, key step include:
(1) it is inserted in casing: the casing of monoblock type RTP connector being inserted in RTP tube material first;
(2) fixed RTP tube material: by RTP tube material by two tubing stationary fixtures, then tubing fixing mould loading tubing is consolidated In clamp tool, lid closes tubing stationary fixture and screws down;
(3) fixed RTP inner core tube: the mono- connection orchid joint inner core pipe of RTP is placed in RTP installs fixture, by RTP installation mold It is connect with RTP installs fixture, then lid closes RTP installs fixture, and screws down;
(4) tubulature: starting tube filling machine hydraulic pump, two cylinder efficients, push rod are released, and push the second mounting plate left lateral mobile, RTP Single connection orchid joint inner core pipe is packed into RTP tube material;
(5) RTP swagelok is installed: will be previously charged into RTP tube material casing and is installed by screw thread to the mono- connection orchid joint inner core of RTP The screw thread horizontal segment of pipe completes monoblock type RTP jointing installment work;
(6) spinning machine is fixed: the tubing with monoblock type RTP jointing that step (5) are completed being fixed on spinning machine, then Connector is advanced into designated position by rotation feed handle;
(7) spin slot: starting spinning machine main motor, installation deep bid rotation, spinning machine spinning roller follow the big disc spins of installation;Restart Auxiliary-motor, auxiliary-motor rotation, the hydraulic hand-pump being fixed on installation deep bid are started to work, and output hydraulic pressure oil, spinning roller oil cylinder pushes away Bar ejection, spinning roller come downwards to indent predetermined position, carry out spin slot, then promote connector again, repeat the above steps completion second The spinning of road indent completes the installation connection of entire monoblock type RTP jointing.
7. monoblock type reinforced thermoplastics multiple tube jointing according to claim 1, it is characterised in that the peace When RTP innermost tube described in dress method and step is doubly-linked straight coupling core pipe, in step (4) tubulature, the RTP of advanced one end is needed Tubing tubulature, then turn the tubulature of 180 ° of completion other ends;It, should be in the spin slot for completing connector one end in step (7) spin slot Afterwards, the connector spin slot of 180 ° of completion other ends is turned again.
CN201811018957.3A 2018-09-03 2018-09-03 Reinforced thermoplastic plastic composite pipe connecting joint and connecting method thereof Active CN109000071B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112091044A (en) * 2020-09-08 2020-12-18 江苏青阳管业有限公司 Spinning processing composite device for bimetal composite pipe and use method thereof

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BR0009059A (en) * 1999-03-17 2002-04-09 Lattice Intellectual Property Reinforced thermoplastic tube joint for high pressure conveying applications
CN202674670U (en) * 2012-05-22 2013-01-16 南京晨光欧佩亚复合管工程有限公司 RTP (reinforced thermoplastic pipe) joint
CN203099188U (en) * 2012-12-30 2013-07-31 广州励进新技术有限公司 Rein-forced thermoplastic pipe (RTP) anti-corrosion pressure connection pipe fitting
CN205938344U (en) * 2016-08-17 2017-02-08 航天晨光(福建)管业科技有限公司 Rein -forced thermoplastic pipe (RTP) anti -corrosion pressure connection pipe fitting
CN206036491U (en) * 2016-08-17 2017-03-22 航天晨光(福建)管业科技有限公司 RTP coupling

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Publication number Priority date Publication date Assignee Title
BR0009059A (en) * 1999-03-17 2002-04-09 Lattice Intellectual Property Reinforced thermoplastic tube joint for high pressure conveying applications
CN202674670U (en) * 2012-05-22 2013-01-16 南京晨光欧佩亚复合管工程有限公司 RTP (reinforced thermoplastic pipe) joint
CN203099188U (en) * 2012-12-30 2013-07-31 广州励进新技术有限公司 Rein-forced thermoplastic pipe (RTP) anti-corrosion pressure connection pipe fitting
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112091044A (en) * 2020-09-08 2020-12-18 江苏青阳管业有限公司 Spinning processing composite device for bimetal composite pipe and use method thereof
CN112091044B (en) * 2020-09-08 2022-04-08 江苏青阳管业有限公司 Spinning processing composite device for bimetal composite pipe and use method thereof

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