CN101893148A - Plastic-steel wound pipe joint, plastic-steel wound pipe with same and manufacturing methods - Google Patents
Plastic-steel wound pipe joint, plastic-steel wound pipe with same and manufacturing methods Download PDFInfo
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- CN101893148A CN101893148A CN2010102004348A CN201010200434A CN101893148A CN 101893148 A CN101893148 A CN 101893148A CN 2010102004348 A CN2010102004348 A CN 2010102004348A CN 201010200434 A CN201010200434 A CN 201010200434A CN 101893148 A CN101893148 A CN 101893148A
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- reinforcement metal
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- tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
- F16L11/15—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics corrugated
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Joints With Sleeves (AREA)
Abstract
The invention discloses a plastic-steel wound pipe joint, a plastic-steel wound pipe with the same, a plastic-steel wound pipe manufacturing method and a joint manufacturing method. The joint comprises a short plastic pipe, an enhancement metal circular ring vertically surrounding the outer wall of the short plastic pipe, and an enhancement short metal pipe arranged in a pipe wall or on the inner side of the pipe wall of the short plastic pipe in a surrounding way. The end part of a wound pipe body of the plastic-steel wound pipe is provided with the joint; and the head of a winding enhancement metal rib of the wound pipe body is extended to and connected with the end face of an enhancement metal circular ring. The plastic-steel wound pipe manufacturing method comprises the following steps of: manufacturing the wound pipe body and the joint which are matched with each other respectively, jointing the jointing ends of the wound pipe body and the joint, and connecting a plastic-steel jointing part and a metal connecting part. The joint manufacturing method comprises the following steps of: manufacturing a long-strip plastic-steel plate in an extrusion molding way, winding the long-strip plastic-steel plate into an annular joint, welding the front end and the tail end of the plastic-steel plate, connecting the front end and the tail end of a vertical steel belt, winding the product obtained by the preceding operation with a long-strip steel belt, and inserting the wound product into the pipe wall or the inner side of the pipe wall of the short plastic pipe in an end-to-end connection way. The joint of the invention has a simple and convenient structure and high manufacturing accuracy, and ensures the reliable jointing of the wound pipes.
Description
Technical field
The present invention relates to a kind of pipe coupling, also relate to the pipeline that uses this pipe coupling and the manufacture method of pipeline, more particularly, relate to a kind of plastic-steel spirally-wound pipe joint, with the plastic-steel spirally-wound pipe and the manufacture method of this joint.
Background technique
Buried drain pipe and electric power, communication bury ground Cable protecting tube etc.; especially large diameter buried pipeline; because tube wall need bear ground pressure; require tube wall to have higher bearing capacity; tube wall must have big thickness; for guarantee tube wall satisfy the requirement bury the ground bearing capacity, simultaneously reduce pipe thickness, reduce the pipeline manufacture cost, the plastic-steel spiral winding pipe has appearred.As the applying date is that the Chinese patent 200520112528.4 on July 4th, 2005 discloses a kind of plastic-steel winding structure tube, as shown in Figure 1, tubing 1 is made of the smooth fluid passage of sealing inner layer tube wall 1a, outer surface of tube wall is that the steel band of spiral surrounding strengthens solid straight rib structure 1b, by steel band strengthening rib 1b is set, when reducing pipe thickness, improved the compressive strength and the pipe ring rigidity of tube wall greatly, improve the bearing capacity of body, thereby reduced the entwining tube manufacture cost.
Existing entwining tube is manufactured into production tube according to standard length (being generally 6～8 meters) usually, adopt plug in structure as shown in Figure 2 to connect between two pipes, be about to production tube 101 1 ends and be designed to interface 103 and peg graft with an end of another production tube 102 and cooperates, and twine at the grafting abutting end of production tube 102 that formation seals between interface 103 internal surfaces of the bayonet end outer surface of 104 pairs of production tubes 102 of Stamping Steel Ribbon and production tube 101.
There is following defective in the linkage structure of existing entwining tube:
1, because there is big foozle in the manufacturing process of entwining tube, the size error of entwining tube caliber, deviation from cylindrical form etc. are all bigger, usually cause the production tube insertion end to be difficult to insert the phenomenon of interface, bring very big difficulty for the scene installation connection of pipeline; If strengthen the internal diameter of production tube interface in order to satisfy on-the-spot socket connection, after two pipes are pegged graft and are cooperated, the big phenomenon of position tube wall spacing that the position tube wall spacing that exists two pipe grafting mating parts to have again is little, have is brought two pipe splicing positions sealing difficulties, causes the problem of leaking easily;
2, adopt the socket connection structure, the interface structure of production tube one end need be carried out reducing, makes comparatively difficulty of processing, the increase that brings the production tube manufacture cost.
Summary of the invention
One of the technical problem to be solved in the present invention is, a kind of plastic-steel spirally-wound pipe joint is provided, and overcomes the above-mentioned defective of entwining tube production tube linkage structure in the prior art, realizes that entwining tube production tube linkage structure is simple, fitting operation is simple, and it is reliable to connect sealing.
Two of the technical problem to be solved in the present invention is, a kind of plastic-steel spirally-wound pipe is provided, adopt above-mentioned joint structure to overcome the above-mentioned defective of entwining tube production tube linkage structure in the prior art, realize that entwining tube production tube linkage structure is simple, fitting operation is simple, it is reliable to connect sealing.
Three of the technical problem to be solved in the present invention is, a kind of plastic-steel spirally-wound pipe manufacture method is provided, and realizes the manufacturing of above-mentioned plastic-steel spirally-wound pipe.
The present invention solves the technological scheme that one of its technical problem adopts: construct a kind of plastic-steel spirally-wound pipe joint, it is characterized in that, comprise the plastic cement short tube, uprightly around the reinforcement metal annulus of this plastic cement short tube outer wall with around the reinforcement metal short tube of in the tube wall that is arranged on this plastic cement short tube or tube wall inboard.
In plastic-steel spirally-wound pipe joint of the present invention, described reinforcement metal annulus is the steel band that uprightly also connects from beginning to end around described plastic cement short tube outer wall, and described steel strip surface covers plastic layer.
In plastic-steel spirally-wound pipe joint of the present invention, described plastic cement short tube one end comprises the circular groove that is provided with along the short tube width direction, described reinforcement metal short tube is pegged graft with this circular groove and is cooperated, also be included in after described reinforcement metal short tube is plugged in the described circular groove plastics shutoff circle that is connected with the port sealing of this circular groove.
In plastic-steel spirally-wound pipe joint of the present invention, described reinforcement metal annulus is near described plastic cement short tube one end, and described reinforcement metal short tube is near the described plastic cement short tube the other end.
Two technological schemes that adopted that the present invention solves its technical problem are: construct a kind of plastic-steel spirally-wound pipe, comprise the joint that is arranged on entwining tube body end, it is characterized in that described joint comprises the plastic cement short tube, uprightly around the reinforcement metal annulus of this plastic cement short tube outer wall with around the reinforcement metal short tube of in the tube wall that is arranged on this plastic cement short tube or tube wall inboard; The termination of the winding reinforcement metal rib of described entwining tube body extends to the end face of described reinforcement metal annulus and is connected with this end face.
In plastic-steel spirally-wound pipe of the present invention, described reinforcement metal annulus is the steel band that uprightly also connects from beginning to end around described plastic cement short tube outer wall, and described steel strip surface covers plastic layer.
In plastic-steel spirally-wound pipe of the present invention, described plastic cement short tube one end comprises the circular groove that is provided with along the short tube width direction, described reinforcement metal short tube is pegged graft with this circular groove and is cooperated, also be included in after described reinforcement metal short tube is plugged in the described circular groove plastics shutoff circle that is connected with the port sealing of this circular groove.
In plastic-steel spirally-wound pipe of the present invention, described reinforcement metal annulus is near described plastic cement short tube one end, and described reinforcement metal short tube is near the described plastic cement short tube the other end.
Three technological schemes that adopted that the present invention solves its technical problem are: a kind of plastic-steel spirally-wound pipe manufacture method is provided, described plastic-steel spirally-wound pipe comprises the joint that is arranged on entwining tube body end, it is characterized in that described joint comprises the plastic cement short tube, uprightly around the reinforcement metal annulus of this plastic cement short tube outer wall with around the reinforcement metal short tube of in the tube wall that is arranged on this plastic cement short tube or tube wall inboard; The termination of the winding reinforcement metal rib of described entwining tube body extends to the end face of described reinforcement metal annulus and is connected with this end face;
Described method comprises: make entwining tube body and the joint that cooperatively interacts respectively, then the butt end of entwining tube body is docked with the butt end of joint, connect plastic cement docking part and metal attachment portion;
The manufacture method of described joint comprises:
Produce the long strip plastic board that a side has upright steel band by extrusion molding, upright steel band is along the length direction setting of plastic board, the long strip plastic board is wound into the ring joint that cooperates with the butt joint of entwining tube body, the head end of welding plastic board and tail end form the plastic cement short tube, connect upright steel band head end and tail end and form the reinforcement metal annulus; With the long strip steel coil strip around, head and the tail connect and be engaged in the tube wall of plastic cement short tube or the inboard reinforcement metal short tube that forms of tube wall;
Or produce a side by extrusion molding and have upright steel band, in-plane has the long strip plastic board of embedded or concordant with side surface horizontal steel band, upright steel band, the horizontal steel band is respectively along the length direction setting of plastic board, the long strip plastic board is wound into the ring joint that cooperates with the butt joint of entwining tube body, the horizontal steel band was positioned at the ring joint inwall when horizontal steel band was concordant with plastic board one side surface, the head end of welding plastic board and tail end form the plastic cement short tube, connect upright steel band head end and tail end and form the reinforcement metal annulus, connect horizontal steel band head end and tail end and form the reinforcement metal short tube.
In plastic-steel spirally-wound pipe manufacture method of the present invention, described plastic cement short tube one end comprises the circular groove that is provided with along the short tube width direction, described reinforcement metal short tube is pegged graft with this circular groove and is cooperated, also be included in after described reinforcement metal short tube is plugged in the described circular groove plastics shutoff circle that is connected with the port sealing of this circular groove;
Described method comprises: the long strip plastic board is wound into the ring joint that cooperates with the butt joint of entwining tube body, and the head end of welding plastic board and tail end form the plastic cement short tube, connect upright steel band head end and tail end and form the reinforcement metal annulus; Connect into the reinforcement metal short tube of pegging graft and cooperating with the long strip steel coil strip around, head and the tail, this reinforcement metal short tube is inserted described circular groove, the port sealing of described plastics shutoff circle and this circular groove is connected with described circular groove.
Implement plastic-steel spirally-wound pipe joint of the present invention, with the plastic-steel spirally-wound pipe and the manufacture method of this joint, compared with the prior art, its beneficial effect is:
1. the entwining tube joint is convenient to guarantee structure shape and accuracy of manufacturing by reinforcement metal annulus and reinforcement metal short tube are set, and the reliable butt joint when satisfying entwining tube installation connection connects;
2. the entwining tube joint need not reducing, and is simple in structure, is convenient to make, and reduced the entwining tube manufacturing cost;
3. when installing because entwining tube joint geometry and size are accurate, butt joint is reliable, be convenient to guarantee that craft port welding accurately and reliably connects, it is reliable to guarantee to connect sealing, reinforing function is played in the butt joint of reinforcement metal short tube butt joint simultaneously connecting port, guarantees that the intensity of two entwining tube butt joint linkage structure satisfies usage requirement.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is a kind of three-dimensional outline drawing of existing plastic-steel spirally-wound pipe.
Fig. 2 is a kind of part sectioned view of existing plastic-steel spirally-wound pipe mounting connection structure.
Fig. 3 is a kind of embodiment's of a plastic-steel spirally-wound pipe joint of the present invention cross sectional view of removing the reinforcement metal short tube.
Fig. 4 is used to reel the stereogram of long strip plastic board of the plastic cement short tube of joint and reinforcement metal annulus among plastic-steel spirally-wound pipe joint Fig. 3 embodiment of the present invention.
Fig. 5 is a plastic-steel spirally-wound pipe joint Fig. 3 embodiment's of the present invention exploded perspective view.
Fig. 6 is a kind of embodiment's of a plastic-steel spirally-wound pipe of the present invention omission plan view.
Fig. 7 is an A portion enlarged view among Fig. 6.
Fig. 8 is a plastic-steel spirally-wound pipe Fig. 6 embodiment's of the present invention omission stereogram.
Fig. 9 is a plastic-steel spirally-wound pipe Fig. 6 embodiment's of the present invention exploded perspective view.
Figure 10 is a plastic-steel spirally-wound pipe long splice composition of the present invention.
Embodiment
As Fig. 3, Fig. 4, shown in Figure 5, plastic-steel spirally-wound pipe joint 3 of the present invention comprises plastic cement short tube 3a, uprightly around the reinforcement metal annulus 3b1 of this plastic cement short tube 3a outer wall with around the reinforcement metal short tube 3c of in the tube wall that is arranged on this plastic cement short tube 3a or tube wall inboard.
In the present embodiment, reinforcement metal annulus 3b1 adopts the band steel band to form around plastic cement short tube 3a.In other embodiments, as required, reinforcement metal annulus 3b1 can adopt the ferrule of " Qian " tee section, " ㄇ " tee section, " I " tee section or other sectional shapes to form around plastic cement short tube 3a.
In the present embodiment; the covering Plastic Banded, Armour Piercing, Discarding Sabot layer reinforcement metal annulus 3b that the surface coverage Plastic Banded, Armour Piercing, Discarding Sabot layer 3b2 of reinforcement metal annulus 3b1 forms; reach and protect reinforcement metal annulus 3b1 to prevent the purpose of corroding; in manufacture process; adopt mould the flat bar metal bar that will form reinforcement metal annulus 3b1 on the extruder in extrusion process uprightly attached to the long strip plastic board on; form the Plastic Banded, Armour Piercing, Discarding Sabot layer in the flat bar bar surface; form long strip band material 3 ' as shown in Figure 4; then long strip band material is reeled, obtain having the plastic cement short tube 3 of reinforcement metal annulus ".In other embodiments, reinforcement metal annulus 3b1 surface can not be provided with the Plastic Banded, Armour Piercing, Discarding Sabot layer, does not influence the realization of the basic goal of the invention of the present invention.
In the present embodiment, by the open annular groove 322 that cooperates with reinforcement metal short tube 3c is set on the end tube wall 32 of plastic cement short tube 3a, reinforcement metal short tube 3c is inserted in the circular groove 322, and the plastics shutoff circle 3d that adopts the port sealing with this circular groove 322 to be connected at circular groove 322 ports is encapsulated in reinforcement metal short tube 3c in the tube wall of plastic cement short tube 3a.In other embodiments, the flat bar metal bar that can adopt mould will form reinforcement metal short tube 3c on extruder is built in extrusion process in the long strip plastic board, form long strip band material, then long strip band material is reeled, obtain the plastic cement short tube 3a of the built-in reinforcement metal short tube of tube wall 3c.The structure that reinforcement metal short tube 3c is built in the plastic cement short tube 3a tube wall can be protected reinforcement metal short tube 3c, prevent that it from being corroded.
In other embodiments, also reinforcement metal short tube 3c can be arranged on the inwall of plastic cement short tube 3a, not influence the realization of the object of the invention.
In the present embodiment, reinforcement metal annulus 3b1 is arranged on the end 31 of close plastic cement short tube 3a, the termination of being convenient to the winding reinforcement metal rib of entwining tube body when plastic-steel spirally-wound pipe joint 3 is connected with the entwining tube body is connected with the end face of reinforcement metal annulus 3b1, reinforcement metal short tube 3c is arranged on the other end near plastic cement short tube 3a, strengthens the intensity of the connection end face that 3 butt joints of plastic-steel spirally-wound pipe joint connect.In other embodiments, reinforcement metal annulus 3b1 is arranged on middle part on the plastic cement short tube 3a outer wall, reinforcement metal short tube 3c is arranged on the middle part of plastic cement short tube 3a tube wall width direction or along the setting of whole tube wall width, all can realizes the object of the invention.
As Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, plastic-steel spirally-wound pipe 2 of the present invention connects above-mentioned plastic-steel spirally-wound pipe joint 3 in entwining tube body 1 ' end and forms, the butt end 31a of the plastic cement short tube 3a of plastic-steel spirally-wound pipe joint 3 is connected with entwining tube body 1 ' butt joint hot melt, and the termination 31b ' of the winding reinforcement metal rib 1b of entwining tube body 1 ' extends to the end face of reinforcement metal annulus 3b1 and is being connected (can adopt welding or powerful bonding mode to connect) with the intersection 31b of reinforcement metal annulus 3b1 with this end face.
In the present embodiment, the caliber of the plastic cement short tube 3a of the caliber of entwining tube body 1 ' and plastic-steel spirally-wound pipe joint 3 adapts, and adopts the butt joint linkage structure.In other embodiments, when the caliber internal diameter of entwining tube body 1 ' during greater than the caliber external diameter of the plastic cement short tube 3a of plastic-steel spirally-wound pipe joint 3, the connecting end of entwining tube body 1 ' can be enclosed within on the plastic cement short tube 3a connecting end of plastic-steel spirally-wound pipe joint 3 and connect, when the caliber internal diameter of the plastic cement short tube 3a of plastic-steel spirally-wound pipe joint 3 during greater than the caliber external diameter of entwining tube body 1 ', the plastic cement short tube 3a connecting end of plastic-steel spirally-wound pipe joint 3 can be enclosed within on the connecting end of entwining tube body 1 ' and connect, need cut this moment to the connecting end of the winding reinforcement metal rib 1b on the entwining tube body 1 ' and the plastic cement short tube 3a connecting end interference portion of plastic-steel spirally-wound pipe joint 3, guarantees reliably to connect.
In the present embodiment, at the entwining tube body 1 ' two ends of plastic-steel spirally-wound pipe plastic-steel spirally-wound pipe joint 3 is set all.In other embodiments, as required, also can be only plastic-steel spirally-wound pipe joint 3 be set at an end of the entwining tube body 1 ' of plastic-steel spirally-wound pipe.
In the present embodiment, the entwining tube body 1 ' of plastic-steel spirally-wound pipe adopts the steel band strengthening rib body of spiral winding.In other embodiments, as required, the entwining tube body 1 ' of plastic-steel spirally-wound pipe can adopt the body of other metal strengthening rib (as metal strengthening rib of " Qian " tee section, " ㄇ " tee section or " I " tee section etc.).
As shown in figure 10, when two plastic-steel spirally-wound pipes 2 connect, adopt following structure: connecting end 32 alignment of the plastic-steel spirally-wound pipe 2 of two ends belt lacing, 2c connects by connecting body.Connecting body 2c can adopt electric smelting band, electric smelting circle, shrink belt etc.
In addition, can also on the reinforcement metal annulus 3b1 of two butt joints, attachment hole be set, adopt flange to connect and connect as auxiliary.
The related plastic-steel spirally-wound pipe of plastic-steel spirally-wound pipe manufacture method of the present invention is above-mentioned plastic-steel spirally-wound pipe.This manufacture method comprises: make entwining tube body and the joint that cooperatively interacts respectively, then the butt end of entwining tube body is docked with the butt end of joint, connect plastic cement docking part and metal attachment portion respectively.
The entwining tube body adopts existing entwining tube manufacturing tubular body to make according to existing different entwining tube pipe structures.
The manufacture method of joint is as follows:
1, by the extrusion molding mode, produce the long strip plastic board that a side has upright steel band, upright steel band is along the length direction setting of plastic board;
2, the long strip plastic board is wound into the ring joint that cooperates with the butt joint of entwining tube body, the head end of welding plastic board and tail end form the plastic cement short tube, connect upright steel band head end and tail end and form the reinforcement metal annulus; With the long strip steel coil strip around, head and the tail connect and be engaged in the tube wall of plastic cement short tube or the inboard reinforcement metal short tube that forms of tube wall.
When the plastic cement short tube of entwining tube pipe joint adopted following structure: plastic cement short tube one end comprised the circular groove that is provided with along the short tube width direction, the reinforcement metal short tube is pegged graft with this circular groove and is cooperated, also be included in after the reinforcement metal short tube is plugged in the circular groove plastics shutoff circle that is connected with the port sealing of this circular groove.
The manufacture method of joint comprises: the long strip plastic board is wound into the ring joint that cooperates with the butt joint of entwining tube body, and the head end of welding plastic board and tail end form the plastic cement short tube, connect upright steel band head end and tail end and form the reinforcement metal annulus; Connect into the reinforcement metal short tube of pegging graft and to cooperate with the long strip steel coil strip around, head and the tail, this reinforcement metal short tube is inserted described circular groove, the port sealing of plastics shutoff circle and this circular groove is connected with circular groove.
The manufacture method of joint also can be in the following way:
1, by the extrusion molding mode, to produce a side and have the long strip plastic board that upright steel band, in-plane have embedded or concordant with side surface horizontal steel band, upright steel band, horizontal steel band are respectively along the length direction setting of plastic board;
2, the long strip plastic board is wound into the ring joint that cooperates with the butt joint of entwining tube body, the horizontal steel band was positioned at the ring joint inwall when horizontal steel band was concordant with plastic board one side surface, the head end of welding plastic board and tail end form the plastic cement short tube, connect upright steel band head end and tail end and form the reinforcement metal annulus, connect horizontal steel band head end and tail end and form the reinforcement metal short tube.
Claims (10)
1. a plastic-steel spirally-wound pipe joint is characterized in that, comprises the plastic cement short tube, uprightly around the reinforcement metal annulus of this plastic cement short tube outer wall with around the reinforcement metal short tube of in the tube wall that is arranged on this plastic cement short tube or tube wall inboard.
2. plastic-steel spirally-wound pipe joint as claimed in claim 1 is characterized in that, described reinforcement metal annulus is the steel band that uprightly also connects from beginning to end around described plastic cement short tube outer wall, and described steel strip surface covers plastic layer.
3. plastic-steel spirally-wound pipe joint as claimed in claim 1, it is characterized in that, described plastic cement short tube one end comprises the circular groove that is provided with along the short tube width direction, described reinforcement metal short tube is pegged graft with this circular groove and is cooperated, also be included in after described reinforcement metal short tube is plugged in the described circular groove plastics shutoff circle that is connected with the port sealing of this circular groove.
4. as the described plastic-steel spirally-wound pipe joint of one of claim 1 to 3, it is characterized in that described reinforcement metal annulus is near described plastic cement short tube one end, described reinforcement metal short tube is near the described plastic cement short tube the other end.
5. plastic-steel spirally-wound pipe, comprise the joint that is arranged on entwining tube body end, it is characterized in that described joint comprises the plastic cement short tube, uprightly around the reinforcement metal annulus of this plastic cement short tube outer wall with around the reinforcement metal short tube of in the tube wall that is arranged on this plastic cement short tube or tube wall inboard; The termination of the winding reinforcement metal rib of described entwining tube body extends to the end face of described reinforcement metal annulus and is connected with this end face.
6. plastic-steel spirally-wound pipe as claimed in claim 5 is characterized in that, described reinforcement metal annulus is the steel band that uprightly also connects from beginning to end around described plastic cement short tube outer wall, and described steel strip surface covers plastic layer.
7. plastic-steel spirally-wound pipe as claimed in claim 5, it is characterized in that, described plastic cement short tube one end comprises the circular groove that is provided with along the short tube width direction, described reinforcement metal short tube is pegged graft with this circular groove and is cooperated, also be included in after described reinforcement metal short tube is plugged in the described circular groove plastics shutoff circle that is connected with the port sealing of this circular groove.
8. as the described plastic-steel spirally-wound pipe of one of claim 5 to 7, it is characterized in that described reinforcement metal annulus is near described plastic cement short tube one end, described reinforcement metal short tube is near the described plastic cement short tube the other end.
9. plastic-steel spirally-wound pipe manufacture method, described plastic-steel spirally-wound pipe comprises the joint that is arranged on entwining tube body end, it is characterized in that described joint comprises the plastic cement short tube, uprightly around the reinforcement metal annulus of this plastic cement short tube outer wall with around the reinforcement metal short tube of in the tube wall that is arranged on this plastic cement short tube or tube wall inboard; The termination of the winding reinforcement metal rib of described entwining tube body extends to the end face of described reinforcement metal annulus and is connected with this end face;
Described method comprises: make entwining tube body and the joint that cooperatively interacts respectively, then the butt end of entwining tube body is docked with the butt end of joint, connect plastic cement docking part and metal attachment portion;
The manufacture method of described joint comprises:
Produce the long strip plastic board that a side has upright steel band by extrusion molding, upright steel band is along the length direction setting of plastic board, the long strip plastic board is wound into the ring joint that cooperates with the butt joint of entwining tube body, the head end of welding plastic board and tail end form the plastic cement short tube, connect upright steel band head end and tail end and form the reinforcement metal annulus; With the long strip steel coil strip around, head and the tail connect and be engaged in the tube wall of plastic cement short tube or the inboard reinforcement metal short tube that forms of tube wall;
Or produce a side by extrusion molding and have upright steel band, in-plane has the long strip plastic board of embedded or concordant with side surface horizontal steel band, upright steel band, the horizontal steel band is respectively along the length direction setting of plastic board, the long strip plastic board is wound into the ring joint that cooperates with the butt joint of entwining tube body, the horizontal steel band was positioned at the ring joint inwall when horizontal steel band was concordant with plastic board one side surface, the head end of welding plastic board and tail end form the plastic cement short tube, connect upright steel band head end and tail end and form the reinforcement metal annulus, connect horizontal steel band head end and tail end and form the reinforcement metal short tube.
10. plastic-steel spirally-wound pipe manufacture method as claimed in claim 9, it is characterized in that, described plastic cement short tube one end comprises the circular groove that is provided with along the short tube width direction, described reinforcement metal short tube is pegged graft with this circular groove and is cooperated, also be included in after described reinforcement metal short tube is plugged in the described circular groove plastics shutoff circle that is connected with the port sealing of this circular groove;
Described method comprises: the long strip plastic board is wound into the ring joint that cooperates with the butt joint of entwining tube body, and the head end of welding plastic board and tail end form the plastic cement short tube, connect upright steel band head end and tail end and form the reinforcement metal annulus; Connect into the reinforcement metal short tube of pegging graft and cooperating with the long strip steel coil strip around, head and the tail, this reinforcement metal short tube is inserted described circular groove, the port sealing of described plastics shutoff circle and this circular groove is connected with described circular groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010200434.8A CN101893148B (en) | 2010-06-07 | 2010-06-07 | Plastic-steel wound pipe joint, plastic-steel wound pipe with joint and manufacturing method |
| PCT/CN2011/072193 WO2011153862A1 (en) | 2010-06-07 | 2011-03-26 | Plastic-steel winding pipe joint, plastic-steel winding pipe composed of the same and method for manufacturing the pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010200434.8A CN101893148B (en) | 2010-06-07 | 2010-06-07 | Plastic-steel wound pipe joint, plastic-steel wound pipe with joint and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101893148A true CN101893148A (en) | 2010-11-24 |
| CN101893148B CN101893148B (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010200434.8A Active CN101893148B (en) | 2010-06-07 | 2010-06-07 | Plastic-steel wound pipe joint, plastic-steel wound pipe with joint and manufacturing method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101893148B (en) |
| WO (1) | WO2011153862A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085581A (en) * | 2010-12-17 | 2011-06-08 | 华瀚科技有限公司 | Method and device for cutting plastic-steel wound pipe |
| WO2011153862A1 (en) * | 2010-06-07 | 2011-12-15 | 华瀚科技有限公司 | Plastic-steel winding pipe joint, plastic-steel winding pipe composed of the same and method for manufacturing the pipe |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101893148B (en) | 2021-11-30 |
| WO2011153862A1 (en) | 2011-12-15 |
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