CN208982862U - A kind of vacuum traffic pipeline extension compensation interface - Google Patents
A kind of vacuum traffic pipeline extension compensation interface Download PDFInfo
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- CN208982862U CN208982862U CN201821678987.2U CN201821678987U CN208982862U CN 208982862 U CN208982862 U CN 208982862U CN 201821678987 U CN201821678987 U CN 201821678987U CN 208982862 U CN208982862 U CN 208982862U
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Abstract
The utility model provides a kind of vacuum traffic pipeline extension compensation interface, is related to the vacuum pipe compensation technique field of vacuum rail traffic.Including widened pipe socket end and elastic seal ring at the straight mouth end of pipeline, docking, the outer diameter end at the straight mouth end of pipeline is equipped with straight mouth end-stopping plate, the inside pipeline outer surface of straight mouth end-stopping plate is equipped with public face cambridge ring, pipe socket end inner surface is equipped with generatrix cambridge ring, pipe socket end inner diameter end is equipped with bellmouth end-stopping plate, it is the annular groove of inverted " V " type that public face cambridge ring and generatrix wedge shape interannular, which form one on the section for crossing axis, and two elastic seal rings are located at the annular groove two sides.Generatrix cambridge ring internal diameter on the section for crossing axis for tool there are two opposite wedge shapes down, outer diameter is fixed with pipe socket end internal diameter.Public face cambridge ring outer diameter cross axis section on for two back to lozenges, wedge surface upward, fix with the straight mouth end outer diameter of pipeline by internal diameter.Two lozenges of generatrix cambridge ring are androgynous or separate structure.
Description
Technical field
The utility model relates to the vacuum pipe compensation technique fields of vacuum rail traffic.
Technical background
The high-speed rail epoch afterwards, on the one hand, be increasingly difficult to using the track train speed-raising of wheel-rail technology；On the other hand, with speed
The raising of degree is run at high speed under the conditions of normal barometric pressure, and the resistance of air is increasing, also more and more uneconomical in energy consumption.?
In this case, using vacuum pipe technology, rail vehicle is allowed to operate in the pipeline of class vacuum environment, improves speed to reach
Degree reduces multiple purposes such as resistance and energy conservation and environmental protection, has become the new scientific research forward position of technical field of rail traffic.The west in China
The Hyperloop One in southern university of communications and the U.S. and vacuum pipe test wire is all built up, has started vacuum both at home and abroad
The research boom of pipeline train.
In practical applications, vacuum pipe is under the conditions of continually changing temperature, its own can variation with temperature heat
The size of swollen shrinkage, tube body can constantly change, and pipe end can generate displacement.Therefore vacuum pipe needs that compensation device is arranged,
Conducive to the flexible axial displacement to compensate pipeline generation of compensation device.
Existing compensation device is mainly used for fluid conveying pressure pipeline, has natural compensation and equipment replacement in compensation technique
Two ways.For vacuum traffic pipeline axial displacement, natural compensation will lead to the variation of track circuit, be that not can be used
Mode.Existing equipment replacement mode mainly has slip-type expansion joint and two kinds of expansion bellow.Slip-type expansion joint is by covering
Pipe, intubation and airtight and watertight padding three parts composition, it is to compensate the heat distortion amount of pipeline by being intubated the relative motion with casing,
Disadvantage is: with stretching back and forth for pipeline, airtight and watertight padding is easy to wear, leads to sleeve expansion joint easy to leak；When pipeline slightly
When being radially and angularly displaced, the phenomenon that easily causing sleeve to be stuck.Expansion bellow compensation rate is smaller with respect to itself axial dimension,
The very long expansion bellow of axial dimension can only also compensate a relatively small displacement, the both ends pipeline enclosure that it can be such that it connects
Away from too big, and its structure is flexible corrugation formula structure, again inconvenient thereon to be laid with track, leads to the rail inside two adjacent pipe ends
Road spacing is excessive, vehicle can not gently with across.Also, the higher cost of expansion bellow.Therefore, existing compensation way is uncomfortable
Bit shift compensation for vacuum traffic pipeline.
Utility model content
The purpose of the utility model is to provide a kind of vacuum traffic pipeline extensions to compensate interface, it can efficiently solve vacuum
The technical issues of traffic pipeline extension compensates.
The utility model realizes that technical solution used by purpose is: a kind of vacuum traffic pipeline extension compensation interface, packet
Include the straight mouth end of pipeline, widened pipe socket end and elastic seal ring at docking, the outer diameter end at the straight mouth end of pipeline is equipped with straight mouth
End-stopping plate, the inside pipeline external diameter surface of straight mouth end-stopping plate are equipped with public face cambridge ring, and pipe socket end inside diameter surface is equipped with generatrix
Cambridge ring, pipe socket end inner diameter end be equipped with bellmouth end-stopping plate, between public face cambridge ring and generatrix cambridge ring formed one
The annular groove on the section of axis for inverted " V " type is crossed, two elastic seal rings are located at the two sides of the annular groove.
The generatrix cambridge ring internal diameter is tool on the section for crossing axis there are two opposite lozenges, wedge surface downward,
Outer diameter is fixed with pipe socket end internal diameter.
It is described public affairs face cambridge ring outer diameter cross axis section on for two back to lozenges, wedge surface upward, internal diameter
It is fixed with the straight mouth end outer diameter of pipeline.
Two lozenges of the generatrix cambridge ring are androgynous structure or separate structure.
Two lozenges of public affairs face cambridge ring are androgynous structure or separate structure.
The generatrix cambridge ring and public face cambridge ring are at least arranged one group, when being arranged one group or more, collectively form similar
The annular groove in " W " type section.
The annular groove elastic seal ring at least two in inverted " V " type section.
Two pipe ends at the straight mouth end of pipeline and pipe socket end junction, wherein Single port is equipped with axial activity
Fulcrum, another is fixed pivot.
The beneficial effects of the utility model are: by using pairs of cambridge ring form class " V or W " shape annular groove, and with elasticity
Sealing ring group is combined into the static seal structure of groups of lozenges-elastic sealing ring type, regardless of pipe end be stretch be contracting, displacement can energy
To compensation, and always there is the lozenges on one side that can squeeze elastic seal ring, forms stabilized seal structure.This aspect compensates for sleeve
The filler fretting wear of formula compensator leads to the shortcomings that leakage, on the other hand also avoids caused by expansion bellow formula compensator
Its two pipe ends connected distance is too big, is much larger than its compensation rate disadvantage, pipe end span is substantially equal to compensation rate, is conducive to
The laying of the equipment such as pipeline middle orbit, and maintenance cost is cheap, only needs to change sealing ring.
Detailed description of the invention
Fig. 1 is the schematic diagram of the straight mouth end activity of the utility model pipeline, the fixed situation in pipe socket end；
Fig. 2 is the schematic diagram of the activity of the utility model pipe socket end, the fixed situation in the straight mouth end of pipeline；
Fig. 3 be the utility model baffle or cambridge ring and pipe end be all a part schematic diagram；
Fig. 4 is the schematic diagram that the utility model has multiple groups elastic seal ring and multiple groups cambridge ring.
Specific embodiment
The utility model is described further now in conjunction with attached drawing.
Embodiment 1:
The straight mouth end 1 of pipeline is steel material, can be general carbon steel, is also possible to the materials such as stainless steel or weathering steel.Its
Outside is welded with public face cambridge ring 5, and the section of this cambridge ring is triangle, and in terms of section, two lozenges link together,
There is public intersection.Lozenges surface needs smooth enough, is conducive to sealing.Pipe socket end 7 is identical as straight 1 material of mouth end of pipeline,
It needs the diameter at mouth end 1 more straight than pipeline big with straight 1 nested parts of mouth end of pipeline, and is connected inside pipe end there are two generatrix cambridge ring
4, each generatrix cambridge ring possesses a lozenges, forms one group of " V " shape annular groove with two lozenges of public face cambridge ring 5.Bullet
Property sealing ring 3 is mounted on the two sides in this " V " shape annular groove.Tubule pipe end is fixed with straight mouth end-stopping plate 6, and function is mainly limited
Position stops elastic seal ring 3 to skid off " V " shape wedge shape annular groove；Big pipe pipe end is fixed with bellmouth end-stopping plate 2, function and straight mouth end
Baffle 6 is identical.Both the straight mouth end 1 of pipeline and pipe socket end 7 are one of fixed, and one can be axially movable.
Pipe socket end is also possible to be connected to the bigger connector duct section of diameter of pipe end.
Implementation process: during the stretching motion of movable pipe end, regardless of movable pipe end is towards which side activity, until
The elastic seal ring 3 of few side can keep compressing, and increase with displacement, and the elastic seal ring 3 of this side is pressed tighter, is made
Vacuum traffic pipeline effectively keeps sealing, and outside atmosphere will not enter pipeline.When being displaced reversed, other side elastic seal ring 3
A greater degree of extruding will be will receive, and the extruded degree of elastic seal ring 3 of that original side can suitably be alleviated.But
It is the midpoint in displacement, the elastic seal ring 3 of two sides will all be in the slight compression state of enough sealings.In this way, pipeline is stretched
The displacement of contracting movement is compensated, and pipeline can effectively keep sealing.After elastic seal ring 3 fails, it is only necessary to remove two pipes
The baffle of end only replaces sealing ring.
Embodiment 2:
Attached drawing 3 indicates this embodiment.
This embodiment is also made of the straight mouth end 1 of pipeline and pipe socket end 7, and the difference with embodiment 1 essentially consists in: public
The components that face cambridge ring 5 and the straight mouth end 1 of pipeline are integrated, rather than multiple components form；Generatrix cambridge ring 4 and pipe
The components that road female end 7 is also integrated, rather than multiple components form.Wherein two wedge shapes of public face cambridge ring 5
Face is not attached to together, and without public intersection, and two lozenges of generatrix cambridge ring 4 link together, and has public intersection.
Elastic seal ring 3 is also in the " V " shape annular groove that generatrix cambridge ring 4 and public face cambridge ring 5 are formed, due to the straight mouth of pipe end
End-stopping plate 6 and bellmouth end-stopping plate 2 limit and can not deviate from.Equally, both the straight mouth end 1 of pipeline and pipe socket end 7 one of them
Fixed, one can be axially movable.
Implementation process is essentially identical with embodiment, therefore does not repeat.
Embodiment 3:
Attached drawing 4 indicates this embodiment.
Embodiment 3 is substantially the same manner as Example 1, and difference is axially to arrange multiple groups generatrix cambridge ring 4, public affairs along pipeline
Face cambridge ring 5 and elastic seal ring 3 constitute the sealing structure of multiple groups " V " shape annular groove and elastic seal ring 3.Its sealing principle with
Implementation process is completely the same, enhances the reliability of sealing simply by the redundancy for increasing structure.
For implementation process referring to embodiment 1, the two is essentially identical.Only when one group of sealing structure fails, if another group
It while does not together fail, then pipeline is still able to maintain sealing.
Claims (8)
1. widened pipe socket end at a kind of compensation of vacuum traffic pipeline extension interface, including the straight mouth end (1) of pipeline, docking
(7) and elastic seal ring (3), it is characterised in that: the outer diameter end of the straight mouth end (1) of pipeline is equipped with straight mouth end-stopping plate (6), straight mouth end
The inside pipeline external diameter surface of baffle (6) is equipped with public face cambridge ring (5), and pipe socket end (7) inside diameter surface is equipped with generatrix wedge shape
Ring (4), pipe socket end (7) inner diameter end is equipped with bellmouth end-stopping plate (2), between public face cambridge ring (5) and generatrix cambridge ring (4)
It is the annular groove of inverted " V " type that one, which is formed, on the section for crossing axis, and two elastic seal rings (3) are located at the two of the annular groove
Side.
2. a kind of vacuum traffic pipeline extension according to claim 1 compensates interface, it is characterised in that: the generatrix wedge shape
Ring (4) internal diameter is tool on the section for crossing axis there are two opposite lozenges, wedge surface downward, outer diameter and pipe socket end
(7) internal diameter is fixed.
3. a kind of vacuum traffic pipeline extension according to claim 1 compensates interface, it is characterised in that: public affairs face wedge shape
Ring (5) outer diameter on the section for crossing axis for two back to lozenges, upward, internal diameter and the straight mouth end (1) of pipeline are outside for wedge surface
Diameter is fixed.
4. a kind of vacuum traffic pipeline extension according to claim 1 compensates interface, it is characterised in that: the generatrix wedge shape
Two lozenges of ring (4) are androgynous structure or separate structure.
5. a kind of vacuum traffic pipeline extension according to claim 1 compensates interface, it is characterised in that: public affairs face wedge shape
Two lozenges of ring (5) are androgynous structure or separate structure.
6. a kind of vacuum traffic pipeline extension according to claim 1 compensates interface, it is characterised in that: the generatrix wedge shape
Ring (4) and public face cambridge ring (5) are at least arranged one group, when being arranged one group or more, collectively form the ring in similar " W " type section
Slot.
7. a kind of vacuum traffic pipeline extension according to claim 1 compensates interface, it is characterised in that: the inverted " V " type
The annular groove elastic seal ring (3) at least two in section.
8. a kind of vacuum traffic pipeline extension according to claim 1 compensates interface, it is characterised in that: the straight mouth of pipeline
Two pipe ends of (1) and pipe socket end (7) junction are held, wherein Single port is equipped with axial moving fulcrum, another is
Fixed pivot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678987.2U CN208982862U (en) | 2018-10-17 | 2018-10-17 | A kind of vacuum traffic pipeline extension compensation interface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678987.2U CN208982862U (en) | 2018-10-17 | 2018-10-17 | A kind of vacuum traffic pipeline extension compensation interface |
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| Publication Number | Publication Date |
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| CN208982862U true CN208982862U (en) | 2019-06-14 |
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| CN201821678987.2U Active CN208982862U (en) | 2018-10-17 | 2018-10-17 | A kind of vacuum traffic pipeline extension compensation interface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058640A (en) * | 2018-10-17 | 2018-12-21 | 西南交通大学 | A kind of vacuum traffic pipeline extension compensation interface |
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2018
- 2018-10-17 CN CN201821678987.2U patent/CN208982862U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058640A (en) * | 2018-10-17 | 2018-12-21 | 西南交通大学 | A kind of vacuum traffic pipeline extension compensation interface |
| CN109058640B (en) * | 2018-10-17 | 2024-03-26 | 西南交通大学 | Vacuum traffic pipeline expansion compensation interface |
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