CN203927219U - Wear-resisting integrated sleeve compensator - Google Patents
Wear-resisting integrated sleeve compensator Download PDFInfo
- Publication number
- CN203927219U CN203927219U CN201420302041.1U CN201420302041U CN203927219U CN 203927219 U CN203927219 U CN 203927219U CN 201420302041 U CN201420302041 U CN 201420302041U CN 203927219 U CN203927219 U CN 203927219U
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- sleeve
- wear
- inner tube
- stuffing box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000945 filler Substances 0.000 claims abstract description 27
- 238000012856 packing Methods 0.000 claims abstract description 27
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 7
- 239000004917 carbon fiber Substances 0.000 claims abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 10
- 230000007774 longterm Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009827 uniform distribution 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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
- F16L27/0812—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The utility model relates to a kind of wear-resisting integrated sleeve compensator, comprise inner tube, connecting tube, suit outer sleeve and filler flange on inner pipe, one end of filler flange is stretched in outer sleeve, the internal surface of outer sleeve is provided with annular inner convex platform, stretch at this annular inner convex platform and filler flange between one end of outer sleeve and be located at stuffing box packing, the outer surface of inner tube is provided with annular inner convex platform, form the axial limit structure of inner tube, filler flange is connected by fastening piece with outer sleeve, the integral structure that connecting tube and outer sleeve are formed in one, between stuffing box packing and the outer surface of inner tube, between stuffing box packing and the internal surface of outer sleeve, be equipped with wear-resisting carbon fiber layer.The integral structure of outer sleeve of the present utility model and connecting tube makes product without carrying out radiographic inspection again, arranging of wear-resisting carbon fiber layer can effectively be resisted the wearing and tearing that stuffing box packing caused by the relative movement between outer sleeve and inner tube simultaneously, improves the sealing of whole sleeve expansion joint.
Description
Technical field
The utility model relates to a kind of wear-resisting integrated sleeve compensator.
Background technique
In the pipeline of the industries such as electric power, oil, chemical industry, heating power, generally all need to install and use compensation device, existing compensation device generally includes sleeve expansion joint, FlexbleJoint, sleeve expansion joint, spherical compensator etc., for compensating pipeline axial and displacement radially.When pipeline carry be high temperature, high-pressure medium time, higher for the requirement of sleeve expansion joint: not only will to have enough bit shift compensation amounts, also require to there is good sealability and longer working life.
The outer sleeve of existing sleeve expansion joint all adopts the method for welding to dock with connecting tube and is integrated (referring to Fig. 1), claimant finds after deliberation, this butt welding mode inevitably makes ring-type weld seam and the inner tube between outer sleeve and connecting tube overlap, the lossless detection methods such as X ray are difficult to accurately detect the quality of welding, also just cannot ensure weldquality.Based on this; regulation in standard GB/T/T150.4-2011 " cylinder that container diameter is no more than to 800mm and end socket finally together with hoop sealing welding; when adopting the not single-welded butt joint with backing plate; and cannot carry out ray or ultrasound detection time; allow not carry out detecting, but need the bottoming of employing gas shielded arc welding." although NBS made regulation to the welding procedure of outer sleeve and connecting tube, but still cannot guarantee the welding quality of outer sleeve and connecting tube.In the time that whirl compensator is applied on high-temperature and pressure pipeline, its quality is directly connected to the safety responsibility that life-and-death matter.Therefore, thoroughly solve outer sleeve and the potential safety hazard of reducer pipe because adopting butt welding to bring in whirl compensator, become the target that those skilled in the art seek assiduously.
Claimant finds after deliberation, and because sleeve expansion joint needs long-term operation after being arranged in pipeline, the longest run time can reach 30 years.In long-term using process, due to the relative rotation between outer sleeve and inner tube, can make stuffing box packing produce loss (more obvious when the medium of carrying is high-temperature high-pressure medium), cause sealing effect to decline or lost efficacy, thus the sealability of the whole whirl compensator of impact.
Summary of the invention
The technical problems to be solved in the utility model is exactly: existing pipeline adopts welding manner to dock brought security hidden trouble with the outer sleeve of sleeve expansion joint with connecting tube, and, existing sleeve uses whirl compensator in long-term using process, due to the relative rotation between outer sleeve and inner tube, can make stuffing box packing produce loss (more obvious when the medium of carrying is high-temperature high-pressure medium), cause sealing effect to decline or lost efficacy, thus the problem of the sealability of the whole whirl compensator of impact.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of wear-resisting integrated sleeve compensator, comprise inner tube, connecting tube, suit outer sleeve and filler flange on inner pipe, one end of filler flange is stretched in outer sleeve, the internal surface of outer sleeve is provided with annular inner convex platform, stretch at this annular inner convex platform and filler flange between one end of outer sleeve and be located at stuffing box packing, the outer surface of inner tube is provided with annular inner convex platform, form the axial limit structure of inner tube, filler flange is connected by fastening piece with outer sleeve, it is characterized in that the integral structure that connecting tube and outer sleeve are formed in one, between stuffing box packing and the outer surface of inner tube, between stuffing box packing and the internal surface of outer sleeve, be equipped with wear-resisting carbon fiber layer.
For fear of stuffing box packing in long-term use because normal wear produces space, thereby affect the sealability of whole sleeve expansion joint, the outside of filler flange is also provided with supported flange, between supported flange and filler flange, along the same spring that is evenly distributed in axially-aligned, supported flange, filler flange and outer sleeve are connected by same fastening piece.
For fear of stuffing box packing in long-term use because normal wear produces space, thereby affect the sealability of whole sleeve expansion joint, filling device also can be set on outer sleeve.
In order to improve the mobile guide performance of sleeve expansion joint inner tube, stationarity while significantly improving inner tube and outer sleeve relative movement, prevent inner tube generation side wear, the annular outer platform in inner tube has two, between two annular outer platforms be spaced apart single annular outer platform width 1.5 times.
For the ease of being connected from the pipeline of different bores, connecting tube is reducer pipe.
Outer sleeve of the present utility model and connecting tube are owing to adopting integrated integral structure, product is without carrying out radiographic inspection again, seam inspection difficulty that existing welding manner brings, the problem that cannot detect are even thoroughly solved, quality and the Security of the product improving, and save cost of production, improved the manufacturing efficiency of product.Simultaneously, the utility model is by between stuffing box packing and the outer surface of inner tube, arrange wear-resisting carbon fiber layer between stuffing box packing and the internal surface of outer sleeve, can effectively resist the wearing and tearing that stuffing box packing caused by the relative movement between outer sleeve and inner tube, thereby reduce the loss of sealing material, improve the sealing of whole sleeve expansion joint.
Brief description of the drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is the utility model embodiment 1 structural representation.
Fig. 3 is the utility model embodiment 2 structural representation.
Fig. 4 is the utility model embodiment 3 structural representation.
Fig. 5 is the utility model embodiment 4 structural representation.
In Fig. 1-Fig. 5,1 is that inner tube, 2 is that fastening piece, 3 is that filler flange, 4 is that outer sleeve, 5 is stuffing box packing, 6
For filling device, 7 is that circular welds, 11, the annular outer platform, 12 that annular inner convex platform, 8 is outer sleeve for connecting and connecting tube for annular outer platform, 9 for connecting tube, 10 is that spring, 13 is that supported flange, 14 is anti-resistance to carbon fiber layer.
Embodiment
Embodiment 1
As shown in Figure 2, wear-resisting integrated sleeve compensator comprises inner tube 1, connecting tube 9 described in the present embodiment, the outer sleeve 4 and filler flange 3, the connecting tube 8 that are sleeved in inner tube 1 be reducer pipe, the integral structure being formed in one with outer sleeve 4.One end of filler flange 3 is stretched in outer sleeve 4,4 internal surfaces of outer sleeve are provided with annular inner convex platform 7, stretch at this annular inner convex platform 7 and filler flange 3 between one end of outer sleeve 4 and be provided with stuffing box packing 5, between stuffing box packing 5 and the outer surface of inner tube 1, be equipped with wear-resisting carbon fiber layer 14 between stuffing box packing 5 and the internal surface of outer sleeve 4.The outer surface of inner tube 1 is provided with annular outer platform 8, forms the axial limit structure of inner tube 1, between filler flange 3 and outer sleeve 4, is connected by fastening piece 2.
Embodiment 2
As shown in Figure 3, the present embodiment has increased a filling device 6 on embodiment 1 basis, embodiment is along a same circumference uniform distribution 4-30 inlet on position corresponding with stuffing box packing on outer sleeve 4, the radial direction through hole that each inlet is built-in and the transverse holes of waist communicate, radial direction through hole outer end is provided with plug screw, and the plug screw of installing in transverse holes crosses the filling device 6 of radial direction through hole formation valve arrangement.Sleeve expansion joint in use, leaks if sealability declines to occurring revealing, and can lay down online the plug screw in plug screw and the transverse holes of installing inlet outer end, with pressing rifle to supplement stuffing box packing facing to inlet.After supplementing, first screw the plug screw in transverse holes, then pull out pressure rifle, then reinstall plug screw in entrance outer end.Like this, by online supplementary stuffing box packing, can recover timely the sealability of sleeve expansion joint.
The filling device that the present embodiment adopts is prior art.
Embodiment 3
As shown in Figure 4, the present embodiment is on embodiment 2 basis, set up a supported flange 13 in the outside of filler flange, between supported flange 13 and filler flange 3, along the same spring 12 that is evenly distributed in axially-aligned, supported flange 13, filler flange 3 and outer sleeve 4 are connected by same fastening piece 2.
Described in the present embodiment, sleeve expansion joint is in the time of normal use, spring 12 is in compressive state, like this, even if stuffing box packing 5 is worn and torn through long-term use, continue compacting stuffing box packing 5 because the elastic force of spring 12 can promote filler flange 3, the sealability of sleeve expansion joint also can not reduce because of the normal wear of stuffing box packing 5.
The internal diameter size of above-mentioned impact-resistant panels 10 is greater than inner tube external diameter 1-0.5mm, and external diameter is less than outer sleeve internal diameter 1-0.5mm.
Embodiment 4
As shown in Figure 5, the present embodiment is identical with embodiment 3 basic structure, and difference is be spaced apart single annular outer platform width 1.5 times that are provided with on inner pipe between 8 and 11, two annular outer platforms of two annular outer platforms.Like this, the more annular inner convex platform increase by 250% of cooperation area between inner tube 1 and outer sleeve 4, therefore just obviously improved the mobile guide performance of sleeve expansion joint inner tube 1, the stationarity while significantly improving interior 1 pipe with outer sleeve 4 relative movement, prevents that inner tube 1 from side wear occurring.
Claims (5)
1. a wear-resisting integrated sleeve compensator, comprise inner tube, connecting tube, suit outer sleeve and filler flange on inner pipe, one end of filler flange is stretched in outer sleeve, the internal surface of outer sleeve is provided with annular inner convex platform, stretch at this annular inner convex platform and filler flange between one end of outer sleeve and be located at stuffing box packing, the outer surface of inner tube is provided with annular inner convex platform, form the axial limit structure of inner tube, filler flange is connected by fastening piece with outer sleeve, it is characterized in that the integral structure that connecting tube and outer sleeve are formed in one, between stuffing box packing and the outer surface of inner tube, between stuffing box packing and the internal surface of outer sleeve, be equipped with wear-resisting carbon fiber layer.
2. wear-resisting integrated sleeve compensator as claimed in claim 1, the outside that it is characterized in that filler flange is also provided with supported flange, between supported flange and filler flange, along the same spring that is evenly distributed in axially-aligned, supported flange, filler flange and outer sleeve are connected by same fastening piece.
3. wear-resisting integrated sleeve compensator as claimed in claim 1 or 2, is characterized in that outer sleeve is provided with filling device.
4. wear-resisting integrated sleeve compensator as claimed in claim 1 or 2, is characterized in that the annular outer platform in inner tube has two, between two annular outer platforms be spaced apart single annular outer platform width 1.5 times.
5. wear-resisting integrated sleeve compensator as claimed in claim 1 or 2, is characterized in that connecting tube is reducer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420302041.1U CN203927219U (en) | 2014-06-06 | 2014-06-06 | Wear-resisting integrated sleeve compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420302041.1U CN203927219U (en) | 2014-06-06 | 2014-06-06 | Wear-resisting integrated sleeve compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203927219U true CN203927219U (en) | 2014-11-05 |
Family
ID=51823030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420302041.1U Expired - Lifetime CN203927219U (en) | 2014-06-06 | 2014-06-06 | Wear-resisting integrated sleeve compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203927219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469781A (en) * | 2018-12-29 | 2019-03-15 | 江苏贝特管件有限公司 | A kind of whirl compensator that sealing performance is excellent |
-
2014
- 2014-06-06 CN CN201420302041.1U patent/CN203927219U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469781A (en) * | 2018-12-29 | 2019-03-15 | 江苏贝特管件有限公司 | A kind of whirl compensator that sealing performance is excellent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |