CN208011114U - A kind of spherical shape corrugated expansion joint - Google Patents
A kind of spherical shape corrugated expansion joint Download PDFInfo
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- CN208011114U CN208011114U CN201820340371.8U CN201820340371U CN208011114U CN 208011114 U CN208011114 U CN 208011114U CN 201820340371 U CN201820340371 U CN 201820340371U CN 208011114 U CN208011114 U CN 208011114U
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- middle adapter
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- flange
- taken over
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Abstract
The utility model discloses a kind of spherical corrugated expansion joints, including the left side set gradually from left to right is taken over, the first middle adapter, the second middle adapter and right side are taken over；The left side is taken between the first middle adapter, right side is taken between the second middle adapter and is respectively connected with spherical sealed component, is additionally provided with bellows on the outside of the seal assembly, heat preservation filler is provided between the bellows and spherical sealed component；First middle adapter carries out extension type by a sleeve compensation component with the second middle adapter and is fixedly connected；The utility model is coordinated by compensating sleeve component and bellows and spherical sealed component, and various ways compensate, and improves angular displacement and the displacement of the lines compensation performance of spherical corrugated expansion joint.
Description
Technical field
The utility model is related to corrugated expansion joint technical fields, and in particular to a kind of spherical shape corrugated expansion joint.
Background technology
Currently, existing corrugated expansion joint on power plants generating electricity boiler pulverized coal pipeline in use, its compensator at high temperature
It is also easy to produce plastic deformation, torsional deflection, excessive tensile and compression phenomena occurs, to reduce compensator performance, is influenced
The service life of compensator, can not meet the compensation of angular displacement；But although existing spherical shape corrugated expansion joint can
Solve to realize the compensation of angular displacement, the case where but usually will appear leakage.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of spherical bellow-type expansion is provided
Device, to solve the problems, such as proposed in background technology.
To achieve the above object, the technical solution adopted in the utility model is：A kind of spherical shape corrugated expansion joint, innovation
Point is：Left side including setting gradually from left to right is taken over, the first middle adapter, the second middle adapter and right side are taken over；
The left side is taken between the first middle adapter, right side is taken over and is respectively connected with spherical shape between the second middle adapter
Seal assembly, the spherical sealed component include episphere connector and lower semisphere connector, the episphere connector socket
On lower semisphere connector, the episphere connector can be relatively rotated with lower semisphere connector, the episphere connector with
The outer surface of lower semisphere connector is coated with one layer of chrome plating；
The left side is taken over to be taken over junction and also sets with the first middle adapter junction, second middle adapter and right side
It is equipped with bellows, the bellows is arranged in the outside of spherical sealed component, and the bellows is by being arranged in bellows both sides
Ring flat-plate taken over left side, the first middle adapter, the second middle adapter or right side are taken over and are connect；
Heat preservation filler is provided between the bellows and spherical sealed component；
First middle adapter carries out extension type by a sleeve compensation component with the second middle adapter and is fixedly connected；
The compensating sleeve component includes the first branch sleeve, the second branch sleeve, first flange, second flange and graphite
Filler, first branch sleeve are welded on the outside of the first middle adapter, and second branch sleeve is indirect in being welded on second
On the outside of pipe, the first flange is welded on the outside of the first branch sleeve, and the outboard end of the second flange and first flange passes through
Screw bolt and nut is fixedly connected, and graphite packing is filled between the second flange and the second branch sleeve.
Further, the episphere connector, lower semisphere connector are separately positioned on the first middle adapter and left side connects
On pipe or the second middle adapter is taken over right side.
Further, the section of the first flange and second flange is disposed as L-shaped structure, the cross of the first flange
To the upper-end contact of the lower end and second flange transverse direction face in face, the vertical plane of the first flange and the vertical plane of second flange connect
It touches, and the vertical plane of the two is both provided with for bolted through-hole.
Further, cardo ring is respectively arranged with to position in spherical sealed component institute on the outside of two bellowss, two
The cardo ring is mutually parallel, and the central shaft of cardo ring and left side are taken over, the first middle adapter, the second middle adapter and right side
The central shaft taken over is consistent, and each cardo ring is taken over left side by multiple hinge assemblies or the second middle adapter is fixed
Connection, multiple hinge assembly ring-types be distributed on left side take over or the second middle adapter on the outside of.
Wherein, the hinge assembly include two hinge columns, the upper clamp plate and lower clamp plate of the hinge column that is fixed on two, it is described
The gap being inserted into for cardo ring is provided between upper clamp plate and lower clamp plate, the upper clamp plate, cardo ring and lower clamp plate are both provided with
Through-hole, and be attached across through-hole by bolt between three and pass through nut locking.
Further, the episphere connector have a downward concave spherical surface, the lower semisphere connector have one to
On convex spherical, the concave spherical surface of the episphere connector and the convex spherical of lower semisphere connector contact with each other cooperation and shape is kissed
It closes.
With the above structure, the utility model has the beneficial effect that：
（1）The utility model by setting can relative rotation episphere connector and lower semisphere connector, can either solve
The certainly angular displacement compensation of the space pipeline section of power transportation pipe, reduces the stress level of pipeline, improves the safety of pipeline, work as coal
When powder thermally expands, the coal dust of thermal expansion squeezes spherical sealed component, to realize episphere connector and lower semisphere connector
Connection it is even closer.
（2）The spherical sealed component external of the utility model is using the structure of sylphon seal, it can be achieved that solving common ball
When being expanded after shape compensator is heated, it is easy the problem of interior media leaks, realizes displacement of the lines compensation；Meanwhile in bellows and ball
Thermal insulation material is filled between shape seal assembly, the heat-insulating property of spherical corrugated expansion joint can be improved.
（3）The utility model is by can by sleeve compensation component progress in the first middle adapter and the second middle adapter
It is telescopic to be fixedly connected, compensating sleeve component include the first branch sleeve, the second branch sleeve, first flange, second flange and
Graphite packing, in the case where needing expansion after heated, compressed graphite filler between the second branch sleeve and second flange, to
Increase the distance between the first middle adapter and the second middle adapter, to realize length compensation, reduces at spherical sealed component
Elongation, the case where effectively avoiding internal leakage of pulverized coal, compensating sleeve component coordinates with bellows and spherical sealed component, a variety of
Mode compensates, and improves angular displacement and the displacement of the lines compensation performance of spherical corrugated expansion joint.
Description of the drawings
Fig. 1 is the structural schematic diagram of the spherical corrugated expansion joint of the utility model；
Fig. 2 is the left side view of the spherical corrugated expansion joint of the utility model；
Fig. 3 is the portions A schematic enlarged-scale view in Fig. 1 of the utility model.
Reference sign：
In figure, 1, left side takes over；2, the first middle adapter；3, the second middle adapter；4, right side is taken over；5, episphere connects
Part；6, lower semisphere connector；7, bellows；8, ring flat-plate；9, filler is kept the temperature；10, the first branch sleeve；11, the second branch sleeve；
12, first flange；13, second flange；14, graphite packing；15, cardo ring；16, hinge column；17, upper clamp plate；18, lower clamp plate；
19, bolt；20, nut.
Specific implementation mode
The utility model will be further described below with reference to the accompanying drawings.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
Embodiment, the present invention will be further described in detail.It should be appreciated that the specific embodiments described herein are only used
To explain the utility model, it is not used to limit the utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of spherical corrugated expansion joint, including the left side set gradually from left to right connect
Pipe 1, the first middle adapter 2, the second middle adapter 3 and right side take over 4；Between 1 and first middle adapter 2 of the left side take over,
Spherical sealed component is respectively connected between right side take over 4 and the second middle adapter 3, the spherical sealed component includes that episphere connects
Fitting 5 and lower semisphere connector 6, feasible, episphere connector 5, lower semisphere connector 6 are respectively by way of being welded and fixed
It is fixed on the first middle adapter 2 and left side take over 1 or on the second middle adapter 3 and right side take over 4, spherical sealed component conduct
Vulnerable part, the mode being welded to connect are easy to implement and replace episphere connector 5, lower semisphere connector 6, to extend whole make
Use the service life；The episphere connector 5 is socketed on lower semisphere connector 6, the episphere connector 5 and lower semisphere connector
6 can relatively rotate, and the episphere connector 5 and the outer surface of lower semisphere connector 6 are coated with one layer of chrome plating；In the upper half
The outer surface of ball connector 5 and lower semisphere connector 6 carries out chromium plating process, improves episphere connector 5 and is connected with lower semisphere
The case hardness of part 6 improves the service life of spherical sealed component；1 and first middle adapter of left side take over, 2 junction,
Second middle adapter 3 is additionally provided with bellows 7 with 4 junction of right side take over, and the bellows 7 is arranged in spherical sealed group
The outside of part, the bellows 7 is by being arranged the ring flat-plate 8 in 7 both sides of bellows and left side take over 1, the first middle adapter 2, the
4 connection of two middle adapters 3 or right side take over；It is feasible, the inside of the ring flat-plate 8 and left side take over 1, the first middle adapter 2, the
Two middle adapters 3 or right side take over 4 are welded and fixed, and outside and the both sides of bellows 7 are welded and fixed；The bellows 7
Heat preservation filler 9 is provided between spherical sealed component；First middle adapter, 2 and second middle adapter 3 passes through a sleeve
Compensation component carries out extension type and is fixedly connected；The compensating sleeve component includes the first branch sleeve 10, the second branch sleeve
11, first flange 12, second flange 13 and graphite packing 14, first branch sleeve 10 are welded on outside the first middle adapter 2
Side, second branch sleeve 11 are welded on 3 outside of the second middle adapter, and the first flange 12 is welded on the first branch sleeve
10 outsides, the second flange 13 are fixedly connected with the outside of first flange 12 by bolt 19 and nut 20, second method
Graphite packing 14 is filled between orchid 13 and the second branch sleeve 11.
In further embodiment, the episphere connector 5, lower semisphere connector 6 are indirect in being separately positioned on first
On pipe 2 and left side take over 1 or on the second middle adapter 3 and right side take over 4.
In further embodiment, the section of the first flange 12 and second flange 13 is disposed as L-shaped structure, described
The upper-end contact of the lower end in the lateral face of first flange 12 and the lateral face of second flange 13, the vertical plane of the first flange 12 with
The vertical plane of second flange 13 contacts, and the vertical plane of the two is both provided with the through-hole connected for bolt 19.
In further embodiment, two bellowss, 7 outside is respectively arranged with ten thousand in spherical sealed component to position
To ring 15, two cardo rings 15 are mutually parallel, and the central shaft of the cardo ring 15 and left side take over 1, the first middle adapter
2, the second middle adapter 3, the central shaft of right side take over 4 are consistent, and each cardo ring 15 passes through multiple hinge assemblies and a left side
Side take over 1 or the second middle adapter 3 are fixedly connected, and multiple hinge assembly ring-types are distributed among the take over 1 or the second of left side
3 outside of take over.For the utility model by being provided with multiple cardo rings 15, the resistance to compression for improving FlexbleJoint is horizontal.
Preferably, the hinge assembly include two hinge columns 16, be fixed on two hinge columns 16 upper clamp plate 17 and under
Clamping plate 18, is provided with the gap being inserted into for cardo ring 15 between the upper clamp plate 17 and lower clamp plate 18, the upper clamp plate 17, universal
Ring 15 and lower clamp plate 18 are both provided with through-hole, and are attached across through-hole by bolt 19 between three and are locked by nut 20
It is fixed.
In further embodiment, the episphere connector 5 has a downward concave spherical surface, the lower semisphere connector
6 there is a upward convex spherical, the convex spherical of the concave spherical surface and lower semisphere connector 6 of the episphere connector 5 to contact with each other
Coordinate and shape is coincide, being easy to implement between episphere connector 5 and lower semisphere connector 6 can relatively rotate flexibly.
The utility model by setting can relative rotation episphere connector 5 and lower semisphere connector 6, can either solve
The angular displacement of the space pipeline section of power transportation pipe compensates, and reduces the stress level of pipeline, improves the safety of pipeline, work as coal dust
When thermal expansion, the coal dust of thermal expansion squeezes spherical sealed component, to realize episphere connector 5 and lower semisphere connector 6
Connection it is even closer, it is possible to prevente effectively from by the leakage of pulverized coal of spherical corrugated expansion joint.
The structure that the spherical sealed component external of the utility model is sealed using bellows 7 is, it can be achieved that solve general spherical shape
When being expanded after compensator is heated, it is easy the problem of interior media leaks, realizes displacement of the lines compensation；Meanwhile in bellows 7 and spherical shape
Thermal insulation material 9 is filled between seal assembly, can improve the heat-insulating property of spherical corrugated expansion joint.
The utility model is by can by sleeve compensation component progress in the first middle adapter 2 and the second middle adapter 3
Telescopic to be fixedly connected, compensating sleeve component includes the first branch sleeve 10, the second branch sleeve 11, first flange 12, second
Flange 13 and graphite packing 14 are pressed in the case where needing expansion after heated between second branch sleeve 11 and second flange 13
Contracting graphite packing 14, to increase the distance between the first middle adapter 2 and the second middle adapter 3, to realize length compensation,
The case where reducing the elongation at spherical sealed component, effectively avoiding internal leakage of pulverized coal, compensating sleeve component, bellows 7 and ball
Shape seal assembly coordinates, and various ways compensate, and improves angular displacement and the displacement of the lines compensation performance of spherical corrugated expansion joint.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the right of the utility model.
Claims (6)
1. a kind of spherical shape corrugated expansion joint, it is characterised in that：Left side including setting gradually from left to right is taken over, among first
It takes over, the second middle adapter and right side are taken over；
The left side is taken between the first middle adapter, right side is taken over and is respectively connected with spherical sealed between the second middle adapter
Component, the spherical sealed component include episphere connector and lower semisphere connector, and the episphere connector is socketed in down
On hemisphere connector, the episphere connector can be relatively rotated with lower semisphere connector, the episphere connector and lower half
The outer surface of ball connector is coated with one layer of chrome plating；
The left side is taken over to be taken over junction and is additionally provided with the first middle adapter junction, second middle adapter and right side
Bellows, the bellows are arranged in the outside of spherical sealed component, and the bellows is by being arranged the ring in bellows both sides
Plate is taken over left side, the first middle adapter, the second middle adapter or right side are taken over and connect；
Heat preservation filler is provided between the bellows and spherical sealed component；
First middle adapter carries out extension type by a sleeve compensation component with the second middle adapter and is fixedly connected；
The compensating sleeve component is filled out including the first branch sleeve, the second branch sleeve, first flange, second flange and graphite
Material, first branch sleeve are welded on the outside of the first middle adapter, and second branch sleeve is welded on the second middle adapter
Outside, the first flange are welded on the outside of the first branch sleeve, and the outboard end of the second flange and first flange passes through spiral shell
Screw bolt and nut is fixedly connected, and graphite packing is filled between the second flange and the second branch sleeve.
2. a kind of spherical corrugated expansion joint according to claim 1, it is characterised in that：The episphere connector, under
Hemisphere connector is separately positioned on the first middle adapter and left side takes over or the second middle adapter is taken over right side.
3. a kind of spherical corrugated expansion joint according to claim 1, it is characterised in that：The first flange and the second method
Blue section is disposed as L-shaped structure, the upper-end contact of the lower end and second flange transverse direction face in the lateral face of the first flange,
The vertical plane of the first flange is contacted with the vertical plane of second flange, and the vertical plane of the two is both provided with for being bolted
Through-hole.
4. a kind of spherical corrugated expansion joint according to claim 1, it is characterised in that：In ball on the outside of two bellowss
Shape seal assembly is respectively arranged with cardo ring to position, and two cardo rings are mutually parallel, and the central shaft of cardo ring with
Left side is taken over, the first middle adapter, the second middle adapter and the central shaft that right side is taken over are consistent, and each cardo ring passes through
Multiple hinge assemblies are taken over left side or the second middle adapter is fixedly connected, and multiple hinge assembly ring-types are distributed on left side and connect
On the outside of pipe or the second middle adapter.
5. a kind of spherical corrugated expansion joint according to claim 4, it is characterised in that：The hinge assembly includes two hinges
The upper clamp plate and lower clamp plate for connecing column, being fixed on two hinge columns, are provided between the upper clamp plate and lower clamp plate for cardo ring
The gap of insertion, the upper clamp plate, cardo ring and lower clamp plate are both provided with through-hole, and between three by bolt pass through through-hole into
Row connects and passes through nut locking.
6. a kind of spherical corrugated expansion joint according to claim 1, it is characterised in that：The episphere connector has
One downward concave spherical surface, the lower semisphere connector have a upward convex spherical, the concave spherical surface of the episphere connector with
Contact with each other cooperation and shape of the convex spherical of lower semisphere connector is coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340371.8U CN208011114U (en) | 2018-03-13 | 2018-03-13 | A kind of spherical shape corrugated expansion joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340371.8U CN208011114U (en) | 2018-03-13 | 2018-03-13 | A kind of spherical shape corrugated expansion joint |
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| Publication Number | Publication Date |
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| CN208011114U true CN208011114U (en) | 2018-10-26 |
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| CN201820340371.8U Active CN208011114U (en) | 2018-03-13 | 2018-03-13 | A kind of spherical shape corrugated expansion joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278431A (en) * | 2018-03-13 | 2018-07-13 | 江苏五星波纹管有限公司 | A kind of spherical shape corrugated expansion joint and its production method |
-
2018
- 2018-03-13 CN CN201820340371.8U patent/CN208011114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278431A (en) * | 2018-03-13 | 2018-07-13 | 江苏五星波纹管有限公司 | A kind of spherical shape corrugated expansion joint and its production method |
| CN108278431B (en) * | 2018-03-13 | 2024-02-20 | 江苏五星波纹管有限公司 | Spherical corrugated pipe compensator and production method thereof |
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