CN107816585B - Connecting device for large-caliber steel pipe and glass steel pipe - Google Patents
Connecting device for large-caliber steel pipe and glass steel pipe Download PDFInfo
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- CN107816585B CN107816585B CN201711020179.7A CN201711020179A CN107816585B CN 107816585 B CN107816585 B CN 107816585B CN 201711020179 A CN201711020179 A CN 201711020179A CN 107816585 B CN107816585 B CN 107816585B
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- steel pipe
- pipe
- glass
- reinforced plastic
- rubber joint
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 99
- 239000010959 steel Substances 0.000 title claims abstract description 99
- 239000011521 glass Substances 0.000 title claims abstract description 35
- 239000011152 fibreglass Substances 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 22
- 230000008093 supporting effect Effects 0.000 claims description 22
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000004429 Calibre Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000005536 corrosion prevention Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
Classifications
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Revetment (AREA)
Abstract
The invention provides a connecting device of a large-caliber steel pipe and a glass steel pipe, which relates to the technical field of connection of large-caliber water delivery steel pipes and glass steel pipes. The connecting device for the large-caliber steel pipe and the glass steel pipe can effectively solve the problem that the large-caliber steel pipe and the glass steel pipe are difficult to effectively connect due to different materials and different connection modes of the steel pipe and the glass steel pipe in the large-caliber water conveying pipeline, can realize the requirement that the steel pipe and the glass steel pipe are respectively used in different sections in the same water conveying pipeline due to geological conditions and pipeline manufacturing cost, has simple and rapid transitional connection mode, is convenient for pipeline construction, and has good use effect and wide popularization value.
Description
Technical Field
The invention belongs to the technical field of connection of large-caliber water delivery steel pipes and glass steel pipes, and particularly relates to a device for connecting a large-caliber steel pipe and a glass steel pipe.
Background
The steel pipe and the glass fiber reinforced plastic pipe are wide in application in the water supply and drainage field, the steel pipe generally adopts a circular welding butt joint connection mode, and the steel pipe has the advantages of being higher in strength, higher in reliability, strong in adaptability to geological conditions and the like than the glass fiber reinforced plastic pipe, but the steel pipe is slightly higher in manufacturing cost, and the glass fiber reinforced plastic pipe generally adopts a socket joint connection mode, is light in weight and low in manufacturing cost, and is poor in adaptability to geological conditions. Therefore, the factors such as geological conditions, pipeline cost and the like are fully considered in the design process of the large-caliber water conveying pipeline, a steel pipe and a glass fiber reinforced plastic pipe are sometimes adopted in the same pipeline at the same time, the glass fiber reinforced plastic pipe is used in a section with better geological conditions, and the steel pipe is used in a section with poorer geological conditions or a pipe jacking section. However, the transitional connection between the steel pipe and the glass steel pipe is always a difficult problem, especially when the diameter of the pipeline is large, for example, when the diameter of the pipeline is larger than 1600mm, the sealing precision cannot be ensured due to the manufacturing precision and gravity deformation of the large-caliber steel pipe, and the steel pipe is directly connected with the glass steel pipe sleeve joint, so that the effective transitional connection between the steel pipe and the glass steel pipe is difficult to realize in the existing connection mode.
Disclosure of Invention
The invention aims to provide a connecting device for a large-caliber steel pipe and a glass steel pipe, which solves the technical problems of high connecting difficulty and poor sealing precision between the large-caliber water delivery steel pipe and the glass steel pipe in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the connecting device comprises a connecting pipe, wherein one end of the connecting pipe is used for being connected with the steel pipe, the other end of the connecting pipe is sleeved with the rubber joint, the rubber joint is sleeved on the periphery of the glass steel pipe, and inner supporting components used for supporting two ends of the connecting pipe are respectively arranged on the inner sides of two ends of the connecting pipe.
As a further optimization, the inner support assembly comprises a central plate, a plurality of support rods fixed on the same side of the central plate and with a main shaft parallel to the surface of the central plate, adjusting bolts arranged on the periphery of the support rods and in threaded connection with the support rods, and support plates arranged at the outer ends of the adjusting bolts and used for being abutted against the inner walls of the connecting pipes, wherein the support rods and the adjusting bolts are coaxially arranged.
As further optimization, the support rod comprises a rod body, an end plate arranged at the outer end of the rod body and the plate surface of which is perpendicular to the main shaft of the rod body, and a nut arranged at the center of the outer plate surface of the end plate, wherein the adjusting bolt is in threaded fit with the nut, and a hole for the adjusting bolt to pass through is formed in the center of the end plate.
As further optimization, a boss for limiting the rubber joint is arranged in the middle of the periphery of the connecting pipe.
As a further optimization, the end part of the connecting pipe, which is close to the rubber joint, is provided with a first small-diameter section which is used for being abutted against the inner wall of the rubber joint, and the end part of the glass fiber reinforced plastic pipe is provided with a second small-diameter section which is used for being abutted against the inner wall of the rubber joint.
As a further optimization, the outer diameters of the first small-diameter section and the second small-diameter section are consistent.
As a further optimization, the rubber joint comprises a hard layer, a soft layer arranged on the inner side of the hard layer, a plurality of rings of sealing rings arranged at two ends of the inner side of the soft layer and arranged along the direction parallel to the central axis of the rubber joint, and an interface part arranged in the middle of the inner side of the soft layer around the inner wall of the soft layer.
As a further optimization, the section of the sealing ring is trapezoid, the narrow end face of the sealing ring is connected with the soft layer, and the wide end face of the sealing ring is respectively used for being abutted with the connecting pipe and the glass reinforced plastic pipe.
As a further optimization, a convex ring protruding towards the central axis direction of the interface part is arranged on the inner side of the interface part.
As a further optimization, the radian of the supporting plate is consistent with the radian of the inner wall of the connecting pipe.
The connecting device for the large-caliber steel pipe and the glass steel pipe has the beneficial effects that: the method can effectively solve the problem that the large-caliber water conveying pipeline is difficult to effectively connect due to different materials and different connection modes of the steel pipe and the glass fiber reinforced plastic pipe, can realize the requirement that the steel pipe and the glass fiber reinforced plastic pipe are respectively used in different sections in the same water conveying pipeline due to geological conditions and pipeline manufacturing cost, has simple and quick transitional connection mode, is convenient for pipeline construction, and has good use effect and wide popularization value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings used to the embodiments or the description of the prior art, and it is obvious, the drawings in the following description are only examples of embodiments of the present invention and other drawings may be made from these drawings by those of ordinary skill in the art without inventive faculty.
Fig. 1 is a schematic structural diagram of a device for connecting a large-caliber steel pipe and a glass steel pipe according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial enlarged structure of I in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a right side view of the rubber joint of FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic view of a partial enlarged structure of II in FIG. 3 according to an embodiment of the present invention;
wherein, each reference sign in the figure:
110-steel pipe; 120-glass fiber reinforced plastic pipe; 130-a second minor diameter section; 200-connecting pipes; 210-a boss; 220-a first minor diameter section; 300-rubber joint; 310-a hard layer; 320-soft layer; 330-sealing ring; 340-an interface portion; 400-an inner support assembly; 410-a center panel; 420-supporting rods; 421-rod body; 422-end plates; 423-nuts; 430-adjusting the bolt; 440-support plate.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 and 4 together, a device for connecting a large-diameter steel pipe and a glass reinforced plastic pipe according to the present invention will now be described. The connecting device for the large-caliber steel pipe and the glass steel pipe is used for connecting the steel pipe 110 and the glass steel pipe 120 and comprises a connecting pipe 200 with one end connected with the steel pipe 110 and a rubber joint 300 sleeved at the other end of the connecting pipe 200 and sleeved at the periphery of the glass steel pipe 120, wherein inner side of two ends of the connecting pipe 200 are respectively provided with an inner supporting component 400 used for supporting two ends of the connecting pipe 200. One end of a connecting pipe 200 for connecting the steel pipe 110 and the glass reinforced plastic pipe 120 is connected with the steel pipe 110 through girth butt joint, the other end of the connecting pipe 200 is connected with the glass reinforced plastic pipe 120 through a rubber joint 300, effective transition between two water pipelines made of different materials is achieved, two groups of inner supporting components 400 are correspondingly arranged at two ends of the connecting pipe 200 for guaranteeing the strength of the connecting pipe 200 in the connecting process, and the water conveying effect is prevented from being influenced. If there is a small difference between the pipe diameters of the steel pipe 110 and the glass reinforced plastic pipe 120 to be connected at both sides of the connection pipe 200, a tapered variable diameter steel joint may be added between the connection pipe 200 and the steel pipe 110 to realize the variable diameter connection of the connection pipe 200 and the steel pipe 110 and realize the variable diameter function. After the connection pipe 200 is manufactured, the surface pretreatment of sanding and rust removal is needed, then the external surface is subjected to corrosion prevention treatment by adopting a metal thermal spraying process, and the internal surface is subjected to solvent-free epoxy corrosion prevention by adopting an airless spraying process, so that the corrosion prevention performance of the connection pipe 200 is improved, and the connection pipe has good usability.
The connecting device for the large-caliber steel pipe and the glass steel pipe can effectively solve the problem that the large-caliber steel pipe and the glass steel pipe are difficult to effectively connect due to different materials and different connection modes of the steel pipe and the glass steel pipe in the large-caliber water conveying pipeline, can realize the requirement that the steel pipe and the glass steel pipe are respectively used in different sections in the same water conveying pipeline due to geological conditions and pipeline manufacturing cost, has simple and rapid transitional connection mode, is convenient for pipeline construction, and has good use effect and wide popularization value.
As a further optimization, referring to fig. 1, 3 and 4 together, as a specific embodiment of the connection device for a large-caliber steel pipe and a glass reinforced plastic pipe provided by the present invention, the inner support assembly 400 includes a central plate 410, a plurality of support rods 420 fixed on the same side of the central plate 410 and having a main shaft parallel to the plate surface of the central plate 410, an adjusting bolt 430 disposed on the outer circumference of the support rods 420 and in threaded connection with the support rods 420, and a support plate 440 disposed on the outer end of the adjusting bolt 430 and used for abutting against the inner wall of the connection pipe 200, wherein the support rods 420 are coaxially disposed with the adjusting bolt 430. The inner support assembly 400 can effectively ensure the structural strength of the connecting pipe 200, meanwhile, one end of the connecting pipe 200 is connected with the glass reinforced plastic pipe 120 through the rubber joint 300, the rubber joint 300 is arranged on the outer side of the joint, the inner wall of the rubber joint 300 and the end parts of the connecting pipe 200 and the glass reinforced plastic pipe 120 form a tight abutting effect, the inner support assembly 400 can realize a good supporting effect on the end parts of the connecting pipe 200, the connecting pipe 200 is prevented from being damaged by external pressure, the central plate 410 is perpendicular to the main shaft of the connecting pipe 200 and arranged at the center of the connecting pipe 200, one end of the supporting rod 420 is arranged at the central plate 210, the other end of the supporting rod is directed to the inner wall of the connecting pipe 200, the supporting rod 420 adopts a mode that a long through rod is combined with a plurality of short rods slightly smaller than the radius length, the long through rod can improve the overall stability of the inner support assembly 400, and the short rods are uniformly distributed in the circumferential direction. The bolt head of the adjusting bolt 430 is fixed on the supporting plate 440, the stud at the other end is in threaded connection with the supporting rod 420, the diameter of the whole inner supporting assembly 400 is adjusted, the supporting plate 440 is abutted against the inner wall of the connecting pipe 200, and a good supporting effect is achieved.
As a further optimization, please refer to fig. 3 to 4 together, as a specific embodiment of the connection device for large-caliber steel pipe and glass fiber reinforced plastic pipe provided by the invention, the support rod 420 comprises a rod body 421, an end plate 422 arranged at the outer end of the rod body 421 and the plate surface of which is perpendicular to the main shaft of the rod body 421, and a nut 423 arranged at the center of the outer plate surface of the end plate 422, wherein an adjusting bolt 430 is in threaded fit with the nut 423, and a hole for the adjusting bolt 430 to pass through is formed in the center of the end plate 422. The support rod 420 and the adjusting bolt 430 are directly in threaded fit, the end plate 422 arranged on the outer side of the support rod 420 and the nut 423 arranged on the end plate 422 are in threaded fit with the adjusting bolt 430, the adjusting bolt 430 stretches into the support rod 420 to adjust the outer diameter of the inner support assembly 400, and the supporting plate 440 is guaranteed to be in contact with the inner wall of the connecting pipe 200.
As a further optimization, referring to fig. 1 to 2 together, as a specific embodiment of the connection device for a large-caliber steel pipe and a glass fiber reinforced plastic pipe provided by the present invention, a boss 210 for limiting a rubber joint 300 is provided on the outer periphery of the connection pipe 200. The boss 210 adopts the welded form to set up in circumference outside middle part, and the boss 210 both can adopt the billet of rectangle cross-section or can adopt the reinforcing bar welding of circular cross-section to be in the periphery of steel pipe 100, so the cross section of boss 210 both can adopt the rectangle, can adopt multiple forms such as circular or semicircle again, and boss 210 can carry out effectual restriction to the position of rubber joint 300 in the axial direction of connecting pipe 200, avoids contacting too much with connecting pipe 200 and causes the deviating from of the tip of rubber joint 300 opposite side glass steel pipe 120, guarantees good linking action.
As a further optimization, referring to fig. 1 to 2 together, as a specific embodiment of the connection device for a large-caliber steel pipe and a glass fiber reinforced plastic pipe provided by the present invention, the end portion of the connection pipe 200 near the rubber joint 300 is provided with a first small-caliber section 220 for abutting against the inner wall of the rubber joint 300, and the end portion of the glass fiber reinforced plastic pipe 120 is provided with a second small-caliber section 130 for abutting against the inner wall of the rubber joint 300. The first small diameter section 220 of the connecting pipe 200 is provided with a smooth transition chamfer between the end face of the separation boss 210 of the maximum pipe diameter section of the connecting pipe 200 and the first small diameter section 220 through the boss 210, the axial length of the second small diameter section 130 of the glass reinforced plastic pipe 120 on the glass reinforced plastic pipe 120 is consistent with the length of the first small diameter section 220, and the axial length of the second small diameter section 130 is consistent with the half size of the length of the rubber joint 300, so that the position stability of the rubber joint 300 at the interface of the rubber joint 300 and the connecting pipe 200 is ensured.
As a further optimization, please refer to fig. 1 to 2 together, as a specific embodiment of the connection device for a large-caliber steel pipe and a glass steel pipe provided by the present invention, the outer diameters of the first small-diameter section 220 and the second small-diameter section 130 are consistent. The outer diameters of the first and second small diameter sections 220 and 130 are matched with the inner diameter of the rubber joint 300 in size, and a good sealing effect is achieved through the elastic action of the inner side of the rubber joint 300.
As a further optimization, referring to fig. 1 to 2, as a specific embodiment of the device for connecting a large-caliber steel pipe and a glass fiber reinforced plastic pipe according to the present invention, the rubber joint 300 includes a hard layer 310, a soft layer 320 disposed inside the hard layer 310, sealing rings 330 disposed at both ends inside the soft layer 320 and arranged along a direction parallel to a central axis of the rubber joint 300, and an interface portion 340 disposed around an inner wall of the soft layer 320 and in a middle inside the soft layer 320. The hard layer 310 of the rubber joint 300 is directly contacted with the external environment, has certain strength and corrosion resistance, the soft layer 320 is used for realizing transition between the hard layer 310 and the sealing ring 330, realizing good elastic transition effect, the sealing ring 330 realizes good sealing with pipe bodies on two sides, and the interface part 340 arranged in the middle realizes sealing effect of the interface part between two sides.
As a further optimization, referring to fig. 1 to 2 together, as a specific embodiment of the connection device for a large-caliber steel pipe and a glass fiber reinforced plastic pipe provided by the present invention, the cross section of the sealing ring 330 is trapezoid, the narrow end surface of the sealing ring 330 is connected to the soft layer 320, and the wide end surface of the sealing ring 330 is used to abut against the connection pipe 200 and the glass fiber reinforced plastic pipe 120 respectively. The cross section of the sealing ring 330 is trapezoid, and the long side end surface is abutted against the connecting pipe 200 and the glass reinforced plastic pipe 120, so that the contact area is increased, and the sealing tightness is improved.
As a further optimization, referring to fig. 1 to 2 together, as a specific embodiment of the connection device for a large-caliber steel pipe and a glass fiber reinforced plastic pipe provided by the present invention, a convex ring protruding toward the central axis direction of the rubber joint 300 is provided on the inner side of the interface 340. The convex ring can be used for effectively tightly filling gaps of the interfaces between the connecting pipe 200 and the glass reinforced plastic pipe 120, so that the tight combination is ensured, and the spilling phenomenon caused by the water delivery process is avoided.
As a further optimization, please refer to fig. 3 to fig. 4 together, as a specific embodiment of the connection device for a large-caliber steel pipe and a glass steel pipe provided by the present invention, the radian of the supporting plate 440 is consistent with the radian of the inner wall of the connection pipe 200. The radian is consistent, so that the contact area between the supporting plate 440 and the inner wall of the connecting pipe 200 is ensured, the stability of the support is improved, and the structural strength of the connecting pipe 200 is ensured.
The connecting device for the large-caliber steel pipe and the glass steel pipe can effectively solve the problem that the large-caliber steel pipe and the glass steel pipe are difficult to effectively connect due to different materials and different connection modes of the steel pipe and the glass steel pipe in the large-caliber water conveying pipeline, can realize the requirement that the steel pipe and the glass steel pipe are respectively used in different sections in the same water conveying pipeline due to geological conditions and pipeline manufacturing cost, has simple and rapid transitional connection mode, is convenient for pipeline construction, and has good use effect and wide popularization value.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. A connecting device of heavy-calibre steel pipe and glass steel pipe for connect steel pipe (110) and glass steel pipe (120), its characterized in that: the steel pipe assembly comprises a connecting pipe (200) with one end for being in girth welding butt joint with the steel pipe (110) and a rubber joint (300) sleeved on the periphery of the other end of the connecting pipe (200) and sleeved on the periphery of the glass steel pipe (120), wherein inner supporting components (400) used for supporting the two ends of the connecting pipe (200) are respectively arranged on the inner sides of the two ends of the connecting pipe (200);
a boss (210) for limiting the rubber joint (300) is welded in the middle of the periphery of the connecting pipe (200);
the end part of the connecting pipe (200) close to the rubber joint (300) is provided with a first small-diameter section (220) which is used for being abutted with the inner wall of the rubber joint (300), the end part of the glass fiber reinforced plastic pipe (120) is provided with a second small-diameter section (130) for abutting against the inner wall of the rubber joint (300);
the rubber joint (300) comprises a hard layer (310), a soft layer (320) arranged on the inner side of the hard layer (310), sealing rings (330) which are arranged on two ends of the inner side of the soft layer (320) and are distributed along the direction parallel to the central axis of the rubber joint (300), and an interface part (340) which is arranged on the middle of the inner side of the soft layer (320) around the inner wall of the soft layer (320);
the section of the sealing ring (330) is trapezoid, the narrow end face of the sealing ring (330) is connected with the soft layer (320), and the wide end face of the sealing ring (330) is respectively used for being abutted against the connecting pipe (200) and the glass reinforced plastic pipe (120);
the inner side of the interface part (340) is provided with a convex ring protruding towards the center axis direction of the interface part (340).
2. A device for connecting a large diameter steel pipe to a glass reinforced plastic pipe as claimed in claim 1, wherein: the inner support assembly (400) comprises a central plate (410), a plurality of support rods (420) fixed on the same side of the central plate (410) and with main shafts parallel to the surface of the central plate (410), adjusting bolts (430) arranged on the periphery of the support rods (420) and in threaded connection with the support rods (420), and support plates (440) arranged at the outer ends of the adjusting bolts (430) and used for being abutted to the inner walls of the connecting pipes (200), wherein the support rods (420) are coaxially arranged with the adjusting bolts (430).
3. A device for connecting a large diameter steel pipe to a glass reinforced plastic pipe as claimed in claim 2, wherein: the supporting rod (420) comprises a rod body (421), an end plate (422) arranged at the outer end of the rod body (421) and with a plate surface perpendicular to a main shaft of the rod body (421), and a nut (423) arranged at the center of the outer plate surface of the end plate (422), wherein the adjusting bolt (430) is in threaded fit with the nut (423), and a hole for the adjusting bolt (430) to pass through is formed in the center of the end plate (422).
4. A device for connecting a large diameter steel pipe to a glass reinforced plastic pipe as claimed in claim 1, wherein: the first small diameter section (220) and the second small diameter section (130) have the same outer diameter.
5. A device for connecting a large diameter steel pipe to a glass reinforced plastic pipe as claimed in claim 2, wherein: the radian of the supporting plate (440) is consistent with the radian of the inner wall of the connecting pipe (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020179.7A CN107816585B (en) | 2017-10-26 | 2017-10-26 | Connecting device for large-caliber steel pipe and glass steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020179.7A CN107816585B (en) | 2017-10-26 | 2017-10-26 | Connecting device for large-caliber steel pipe and glass steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107816585A CN107816585A (en) | 2018-03-20 |
| CN107816585B true CN107816585B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711020179.7A Active CN107816585B (en) | 2017-10-26 | 2017-10-26 | Connecting device for large-caliber steel pipe and glass steel pipe |
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| CN (1) | CN107816585B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108626513B (en) * | 2018-03-28 | 2023-11-24 | 国投新疆罗布泊钾盐有限责任公司 | Quick connector for glass fibre reinforced plastic pipeline |
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| US5248169A (en) * | 1991-02-04 | 1993-09-28 | Pont-A-Mousson S.A. | Composite pipe coupling sleeve |
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| JPH08113977A (en) * | 1994-10-17 | 1996-05-07 | Eriguchi Sangyo Kk | Method for embedding resin pipe, and pipe supporter to be used in the method |
| CN102734586A (en) * | 2012-05-31 | 2012-10-17 | 浙江新世管道股份有限公司 | Sealing sleeve connector for being connected with glass reinforced plastic (GRP) pipe, and glass steel pipe used for same |
| CN105518367A (en) * | 2013-09-06 | 2016-04-20 | (株)正宇Coupling | Pipe connector for connecting welding joint |
| CN203585617U (en) * | 2013-11-25 | 2014-05-07 | 泉州市路通管业科技有限公司 | Glass reinforced plastic sleeve joint |
| CN106439249A (en) * | 2016-10-26 | 2017-02-22 | 山东省呈祥电工电气有限公司 | Water supply and drainage anticorrosion steel pipe and manufacture technique and connection structure for same |
| CN207486269U (en) * | 2017-10-26 | 2018-06-12 | 中国石油集团渤海石油装备制造有限公司 | A kind of attachment device of large-diameter steel pipe and glass reinforced plastic pipe |
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| CN107816585A (en) | 2018-03-20 |
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