CN108278431A - A kind of spherical shape corrugated expansion joint and its production method - Google Patents
A kind of spherical shape corrugated expansion joint and its production method Download PDFInfo
- Publication number
- CN108278431A CN108278431A CN201810204637.0A CN201810204637A CN108278431A CN 108278431 A CN108278431 A CN 108278431A CN 201810204637 A CN201810204637 A CN 201810204637A CN 108278431 A CN108278431 A CN 108278431A
- Authority
- CN
- China
- Prior art keywords
- connector
- middle adapter
- flange
- spherical
- bellows
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 43
- 238000000465 moulding Methods 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000004321 preservation Methods 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 239000010439 graphite Substances 0.000 claims description 11
- 229910002804 graphite Inorganic materials 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 8
- 239000010425 asbestos Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 230000035882 stress Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 3
- 229910001566 austenite Inorganic materials 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003490 calendering Methods 0.000 claims description 3
- 235000011089 carbon dioxide Nutrition 0.000 claims description 3
- 238000004040 coloring Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 229910000734 martensite Inorganic materials 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 238000004881 precipitation hardening Methods 0.000 claims description 3
- 238000012797 qualification Methods 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007770 graphite material Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 12
- 239000002817 coal dust Substances 0.000 description 9
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004575 stone Substances 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
- F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
- F16L27/125—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement having longitudinal and rotary movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of spherical FlexbleJoints, 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 invention also discloses a kind of production methods of spherical FlexbleJoint, include the following steps：Take over molding, the processing of spherical sealed component, ring flat-plate molding, corrugated pipe forming, the processing of compensating sleeve component and welding assembly, the present invention is coordinated by compensating sleeve component and bellows and spherical sealed component, various ways compensate, and improve angular displacement and the displacement of the lines compensation performance of spherical FlexbleJoint.
Description
Technical field
The present invention relates to corrugated expansion joint technical fields, and in particular to a kind of spherical shape corrugated expansion joint and its producer
Method.
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 FlexbleJoint can solve
Certainly realize the compensation of angular displacement, the case where but usually will appear leakage.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of spherical corrugated expansion joint and its
Production method, to solve the problems, such as proposed in background technology.
To achieve the above object, the technical solution adopted by the present invention is：A kind of spherical shape FlexbleJoint, innovative point exist
In：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 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.
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.
To achieve the above object, another technical solution that the present invention also uses is：A kind of spherical shape FlexbleJoint
Production method, innovative point are：Include the following steps：
（1）Take over molding：
（1-1）It is taken over according to left side, the different sizes that the first middle adapter, the second middle adapter and right side are taken over require to carry out down
Material；
（1-2）By step（1-1）The blank welding that middle left side takes over, the first middle adapter, the second middle adapter and right side are taken over
At tubulose, formation left side is taken over, the first middle adapter, the second middle adapter and right side are taken over；
（1-3）Left side is taken over, the first middle adapter, the second middle adapter and the carry out nondestructive inspection of right side take over；
（2）Spherical sealed component is processed：
（2-1）It requires to carry out blanking according to the size of episphere connector, lower semisphere connector；
（2-2）To step（2-1）In episphere connector, lower semisphere connector blank welded, be welded into cricoid
Episphere connector, lower semisphere connector；Machine is carried out to episphere connector, the lower semisphere connector outer surface after welding to add
Work；
（2-3）Chrome-faced is carried out to episphere connector, the lower semisphere connector after machining；
（3）Ring flat-plate is molded：
（3-1）It requires to carry out blanking according to ring flat-plate size, blank is welded into ring flat-plate as requested；
（3-2）To step（3-1）In the ring flat-plate that is welded into carry out surface machining；
（4）Corrugated pipe forming：
（4-1）Wave plate is punched and calendering deformation：Steel band is completed to blanking, punching and the extension of bellows wave plate by composite die
Deformation；
（4-2）Bead：To step（4-1）Wave plate carry out blast processing, the granularity requirements of sand are uniform, a diameter of 0.1-
0.5mm；
（4-3）Welding：Wave plate is put into inner circle welding fixture according to the relationship of forming a complete set of to clamp, welds wave plate inner circle, and ensure
The weld seam lap of splice is 3-10mm；Again by wave plate component on outer circle welding fixture plug, wave plate outer circle, weldering are welded after clamping
The seam lap of splice is 3-10mm；
（4-4）Bellows after welding is heat-treated；
（4-5）Nondestructive inspection is carried out to the bellows after heat treatment；
（5）Compensating sleeve component is processed：
（5-1）It requires to carry out blanking according to the first branch sleeve, the second branch sleeve, first flange, the size of second flange, and
Bending is carried out to the blanking of first flange and second flange；
（5-2）Tubulose is welded into the blank of the first branch sleeve, the second branch sleeve, first flange, second flange；
（5-3）To forming the first branch sleeve of tubulose, the surface progress machine of the second branch sleeve, first flange, second flange
Processing；
（6）Welding assembly：
（6-1）By step（2）In molding two lower semispheres connector be respectively welded at step（1）In molding left side take over and right
Side is taken over, and molding two epispheres connector is respectively welded in the first middle adapter of molding and the second middle adapter, protects
The episphere connector on lower semisphere connector and the first middle adapter that card left side is taken over is in close contact, what right side was taken over
Episphere connector on lower semisphere connector and the second middle adapter is in close contact；
（6-2）By step（3）In molding ring flat-plate select two panels and be weldingly fixed on the first middle adapter and the second middle adapter
Outside；By step（4）In molding two bellows be socketed in respectively on the outside of two spherical sealed components, and be welded to ring flat-plate
On；Thermal insulation material is filled in the cavity formed to bellows and spherical sealed component；It is solid that the molding ring flat-plate welding of two panels is selected again
It is scheduled on the bellows other end, left side is taken over or right side is taken over；In the welding process, one layer of asbestos are covered in bellows surface
Cloth；
（6-3）By step（5）In molding first branch sleeve and the second branch sleeve be respectively welded at the first middle adapter and
On the outside of second middle adapter；First flange is welded on to the outside of the first branch sleeve；In first flange and the second branch sleeve
Between filled graphite filler in the groove that is formed；It is recessed by being formed between second flange insertion first flange and the second branch sleeve
At slot, and first flange and second flange are fixed together by screw bolt and nut；In the welding process, in bellows
Surface covers one layer of asbestos cloth；
（6-4）To step（6-3）Spherical FlexbleJoint integral colouring after middle welding assembly carries out nondestructive inspection；
（6-5）To step（6-4）The spherical FlexbleJoint of qualification after middle nondestructive inspection carries out voltage-withstand test；
（6-6）To step（6-5）Qualified spherical FlexbleJoint is polished, clears up and surface painting area after middle voltage-withstand test
Reason.
Further, the step（6）After further include step（7）：The processing of cardo ring and hinge assembly, including following step
Suddenly：
（7-1）Blanking is required according to the size of cardo ring, the blank of cardo ring is welded into universal ring-shaped；And on cardo ring
Offer through-hole；
（7-2）To step（7-1）In the cardo ring that is welded into carry out surface machining；
（7-3）Require blanking according to the size of hinge column in hinge assembly, upper clamp plate, lower clamp plate, and upper clamp plate, lower clamp plate with
Cardo ring connection is external to open up through-hole；The card slot for upper clamp plate and lower clamp plate grafting is opened up on hinge column；
（7-4）To step（7-3）Hinge column, upper clamp plate, lower clamp plate blank be machined out；
（7-5）Selecting step（7-4）Mach wantonly two groups of hinge columns, every group of hinge column include two hinge columns, will wherein one
The hinged column bottom of group is welded on the circumference that left side is taken over, and is taken over corresponding ring flat-plate fixation with left side and welded, another group of hinge
It connects column to be welded on the circumference of the second middle adapter, and fixes and weld with the ring flat-plate on the outside of the second middle adapter；
（7-6）Selecting step（7-4）Mach wantonly two groups of upper clamp plates and lower clamp plate select one group of upper clamp plate and lower clamp plate clamping
Nut is used in combination in the through-hole of upper clamp plate, cardo ring and lower clamp plate in the card slot of wherein one group hinge column, and by bolt
Locking；Another group of upper clamp plate and lower clamp plate are connected in the card slot of another group of hinge column, and upper clamp plate, ten thousand are passed through by bolt
Into the through-hole of ring and lower clamp plate, nut locking is used in combination.
Wherein, the step（4-4）In heat treatment process, specifically include following steps：
（4-4-1）Bellows is fitted into vacuum drying oven, is heated after the gas inspection of welding quality by austenite stainless steel bellows
To 390-410 DEG C, 3-5 hours are kept the temperature, stress elimination is carried out, then cools to room temperature with the furnace；
（4-4-2）For martensite and precipitation-hardening stainless steel bellows, before wave plate punching, by bellows punching material dress
Enter in vacuum drying oven, be heated to 1040-1060 DEG C, keeps the temperature 6-14 minutes；After bellows-welding, the gas of welding quality is carried out
Inspection；After gas inspection, bellows is put and keeps the temperature 20-40 minutes for 940-960 DEG C in a vacuum furnace, carries out vacuum air-quenching；Then it carries out cold
Processing, i.e., keep the temperature 8 hours in -73 ~ -83 DEG C of dry ice or more；Ageing treatment is finally carried out, i.e., by bellows 530- in a vacuum furnace
540 DEG C keep the temperature 4 hours, cool to room temperature with the furnace.
With the above structure, the present invention has the beneficial effect that：
（1）The present invention by setting can relative rotation episphere connector and lower semisphere connector, it is defeated coal dust can either to be solved
It send the angular displacement of the space pipeline section of pipeline to compensate, reduces the stress level of pipeline, improve the safety of pipeline, when coal dust thermally expands
When, the coal dust of thermal expansion squeezes spherical sealed component, to realize the connection of episphere connector and lower semisphere connector more
Step up close.
（2）The spherical sealed component external of the present invention is mended using the structure of sylphon seal, it can be achieved that solving general spherical shape
Repay device it is heated after when expanding, the problem of being easy interior media leakage, realize displacement of the lines compensation；Meanwhile it is close with spherical shape in bellows
Thermal insulation material is filled between sealing assembly, can improve the heat-insulating property of spherical FlexbleJoint.
（3）The present invention passes through scalable by sleeve compensation component progress with the second middle adapter in the first middle adapter
Formula is fixedly connected, and compensating sleeve component includes the first branch sleeve, the second branch sleeve, first flange, second flange and graphite
Filler, in the case where needing expansion after heated, compressed graphite filler between the second branch sleeve and second flange, to increase
The distance between first middle adapter and the second middle adapter reduce stretching at spherical sealed component to realize length compensation
The case where growing, internal coal dust is effectively avoided to reveal, compensating sleeve component coordinate with bellows and spherical sealed component, various ways
It compensates, improves angular displacement and the displacement of the lines compensation performance of spherical FlexbleJoint.
Description of the drawings
Fig. 1 is the structural schematic diagram of the spherical FlexbleJoint of the present invention；
Fig. 2 is the left side view of the spherical FlexbleJoint of the present invention；
Fig. 3 is the portions A schematic enlarged-scale view in Fig. 1 of the present invention.
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 connector；
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 present invention will be further described below with reference to the drawings.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing and specific implementation
Mode, the present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are only explaining this
Invention, is not intended to limit the present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of spherical FlexbleJoint, including the left side set gradually from left to right are taken over
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, it is right
Spherical sealed component is respectively connected between side take over 4 and the second middle adapter 3, the spherical sealed component includes episphere connection
Part 5 and lower semisphere connector 6, feasible, episphere connector 5, lower semisphere connector 6 are consolidated by way of being welded and fixed respectively
The first middle adapter 2 is scheduled on on left side take over 1 or on the second middle adapter 3 and right side take over 4, spherical sealed component is as easy
Part is damaged, the mode being welded to connect is easy to implement and replaces episphere connector 5, lower semisphere connector 6, to extend whole use
Service life；The episphere connector 5 is socketed on lower semisphere connector 6, the episphere connector 5 and lower semisphere connector 6
It can relatively rotate, 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 present invention 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.
To achieve the above object, another technical solution that the present invention also uses is：A kind of spherical shape FlexbleJoint
Production method, innovative point are：Include the following steps：
（1）Take over molding：
（1-1）According to the different sizes of left side take over 1, the first middle adapter 2, the second middle adapter 3 and right side take over 4 require into
Row blanking.
（1-2）By step（1-1）Middle left side take over 1, the first middle adapter 2, the second middle adapter 3 and right side take over 4
Blank is welded into tubulose, forms left side take over 1, the first middle adapter 2, the second middle adapter 3 and right side take over 4.
（1-3）To left side take over 1, the 4 carry out nondestructive inspection of the first middle adapter 2, the second middle adapter 3 and right side take over.
（2）Spherical sealed component is processed：
（2-1）It requires to carry out blanking according to the size of episphere connector 5, lower semisphere connector 6.
（2-2）To step（2-1）In episphere connector 5, lower semisphere connector 6 blank welded, be welded into
Cricoid episphere connector 5, lower semisphere connector 6；To episphere connector 5, the 6 outside table of lower semisphere connector after welding
Face is machined out.
（2-3）Chrome-faced is carried out to episphere connector 5, the lower semisphere connector 6 after machining, episphere is connected
The surface of part 5 and lower semisphere connector 6 carries out chromium plating, can be effectively increased the hardness of spherical sealed component.
（3）Ring flat-plate 8 is molded：
（3-1）It requires to carry out blanking according to 8 size of ring flat-plate, blank is welded into ring flat-plate 8 as requested.
（3-2）To step（3-1）In the ring flat-plate 8 that is welded into carry out surface machining.
（4）Bellows 7 is molded：
（4-1）Wave plate is punched and calendering deformation：Steel band by the blanking of composite die completion 7 wave plate of bellows, punching and is prolonged
Stretch deformation.
（4-2）Bead：To step（4-1）Wave plate carry out blast processing, the granularity requirements of sand are uniform, a diameter of
0.1-0.5mm。
（4-3）Welding：Wave plate is put into inner circle welding fixture according to the relationship of forming a complete set of to clamp, welds wave plate inner circle, and
The guarantee weld seam lap of splice is 3-10mm；Again by wave plate component on outer circle welding fixture plug, welded outside wave plate after clamping
Circle, the weld seam lap of splice are 3-10mm.
（4-4）Bellows 7 after welding is heat-treated.
（4-5）Nondestructive inspection is carried out to the bellows 7 after heat treatment.
（5）Compensating sleeve component is processed：
（5-1）According to the first branch sleeve 10, the second branch sleeve 11, first flange 12, the size of second flange 13 require into
Row blanking, and bending is carried out to the blanking of first flange 12 and second flange 13.
（5-2）Blank welding to the first branch sleeve 10, the second branch sleeve 11, first flange 12, second flange 13
At tubulose.
（5-3）To the first branch sleeve 10 of formation tubulose, the second branch sleeve 11, first flange 12, second flange 13
Surface be machined out.
（6）Welding assembly：
（6-1）By step（2）In molding two lower semispheres connector 6 be respectively welded at step（1）In molding 1 He of left side take over
On right side take over 4, by step（2）In molding two epispheres connector 5 be respectively welded at molding the first middle adapter 2 and second
In middle adapter 3, ensure that the episphere connector 5 on the lower semisphere connector 6 and the first middle adapter 2 on the take over 1 of left side is tight
Contiguity is touched, and the episphere connector 5 on the lower semisphere connector 6 and the second middle adapter 3 on right side take over 4 is in close contact.
（6-2）By step（3）In molding ring flat-plate 8 select two panels and be weldingly fixed among the first middle adapter 2 and second
The outside of take over 3；By step（4）In molding two bellows 7 be socketed in respectively on the outside of two spherical sealed components, and welded
On the outside of ring flat-plate 8；Thermal insulation material 9 is filled in the cavity formed to bellows 7 and spherical sealed component；Select again two panels at
The ring flat-plate 8 of type is weldingly fixed on 7 other end of bellows, left side take over 1 or right side take over 4；In this welding process, in ripple
7 surface of pipe covers one layer of asbestos cloth.
（6-3）By step（5）In 10 and second branch sleeve 11 of molding first branch sleeve be respectively welded in first
Between take over 2 and the outside of the second middle adapter 3；First flange 12 is welded on to the outside of the first branch sleeve 10；In first flange
12 and the second filled graphite filler 14 in the groove that is formed between branch sleeve 11；By second flange 13 be inserted into first flange 12 with
The groove formed between second branch sleeve 11, and consolidated first flange 12 and second flange 13 by bolt 19 and nut 20
Surely it links together；In the welding process, one layer of asbestos cloth is covered on 7 surface of bellows, can be being welded to avoid bellows surface
It is damaged in termination process；
（6-4）To step（6-3）Spherical FlexbleJoint integral colouring after middle welding assembly carries out nondestructive inspection；
（6-5）To step（6-4）The spherical FlexbleJoint of qualification after middle nondestructive inspection carries out voltage-withstand test；
（6-6）To step（6-5）Qualified spherical FlexbleJoint is polished, clears up and surface painting area after middle voltage-withstand test
Reason.
（7）The processing of cardo ring 15 and hinge assembly, includes the following steps：
（7-1）Blanking is required according to the size of cardo ring 15, the blank of cardo ring 15 is welded into 15 shape of cardo ring；And ten thousand
Through-hole is offered on ring 15.
（7-2）To step（7-1）In the cardo ring 15 that is welded into carry out surface machining.
（7-3）Blanking is required according to the size of hinge column in hinge assembly 16, upper clamp plate 17, lower clamp plate 18, and in upper folder
Plate 17, lower clamp plate 18 are connect with cardo ring 15 external opens up through-hole；It is opened up on hinge column 16 for upper clamp plate 17 and lower clamp plate 18
The card slot of grafting.
（7-4）To step（7-3）Hinge column 16, upper clamp plate 17, lower clamp plate 18 blank be machined out.
（7-5）Selecting step（7-4）Mach wantonly two groups of hinge columns 16, every group of hinge column 16 include two hinge columns
16,16 bottom of one of which hinge column is welded on the circumference of left side take over 1, and solid with the ring flat-plate 8 corresponding to left side take over 1
Fixed welding, another group of hinge column 16 are welded on the circumference of the second middle adapter 3, and with the ring flat-plate 8 in 3 outside of the second middle adapter
Fixed welding.
（7-6）Selecting step（7-4）Mach wantonly two groups of upper clamp plates 17 and lower clamp plate 18, select one group of 17 He of upper clamp plate
Lower clamp plate 18 is connected in the card slot of one of which hinge column 16, and passes through upper clamp plate 17, cardo ring 15 and lower folder by bolt
In the through-hole of plate 18, nut 20 is used in combination to lock；Another group of upper clamp plate 17 and lower clamp plate 18 are connected to another group of hinge column 16
In card slot, and by bolt 19 in the through-hole of upper clamp plate 17, cardo ring 15 and lower clamp plate 18, nut 20 is used in combination to lock.
Wherein, the step（4-4）In heat treatment process, specifically include following steps：
（4-4-1）Bellows 7 is fitted into vacuum drying oven, is added after the gas inspection of welding quality by austenite stainless steel bellows 7
Heat keeps the temperature 3-5 hours to 390-410 DEG C, carries out stress elimination, then cools to room temperature with the furnace.
（4-4-2）Bellows 7 is punched by martensite and precipitation-hardening stainless steel bellows 7 before wave plate punching
Material is fitted into vacuum drying oven, is heated to 1040-1060 DEG C, keeps the temperature 6-14 minutes；After the welding of bellows 7, welding matter is carried out
The gas of amount is examined；After gas inspection, bellows 7 is put and keeps the temperature 20-40 minutes for 940-960 DEG C in a vacuum furnace, carries out vacuum air-quenching；Then
Carry out cold treatment, i.e., keep the temperature 8 hours in -73 ~ -83 DEG C of dry ice or more；Ageing treatment is finally carried out, i.e., by bellows 7 in vacuum
4 hours are kept the temperature in stove for 530-540 DEG C, cool to room temperature with the furnace.
The present invention by setting can relative rotation episphere connector 5 and lower semisphere connector 6, coal dust can either be solved
The angular displacement of the space pipeline section of conveyance conduit compensates, and reduces the stress level of pipeline, improves the safety of pipeline, when coal dust heat is swollen
When swollen, the coal dust of thermal expansion squeezes spherical sealed component, to realize the company of episphere connector 5 and lower semisphere connector 6
Connect it is even closer, it is possible to prevente effectively from by the coal dust leakage of spherical FlexbleJoint.
The structure that the spherical sealed component external of the present invention is sealed using bellows 7 is, it can be achieved that solve general spherical shape compensation
When being expanded after device is heated, it is easy the problem of interior media leaks, realizes displacement of the lines compensation；Meanwhile in bellows 7 and spherical sealed
Thermal insulation material 9 is filled between component, can improve the heat-insulating property of spherical FlexbleJoint.
The present invention passes through scalable by sleeve compensation component progress with the second middle adapter 3 in the first middle adapter 2
Formula is fixedly connected, and compensating sleeve component includes the first branch sleeve 10, the second branch sleeve 11, first flange 12, second flange
13 and graphite packing 14, in the case where needing expansion after heated, compress stone between the second branch sleeve 11 and second flange 13
Black filler 14, to realize length compensation, is reduced to increase the distance between the first middle adapter 2 and the second middle adapter 3
Elongation at spherical sealed component, the case where effectively avoiding internal coal dust from revealing, compensating sleeve component, bellows 7 and spherical close
Sealing assembly coordinates, and various ways compensate, and improves angular displacement and the displacement of the lines compensation performance of spherical FlexbleJoint.
The above is merely illustrative of the technical solution of the present invention and unrestricted, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (9)
1. a kind of spherical shape FlexbleJoint, it is characterised in that：Left side including setting gradually from left to right is taken over, is indirect in first
Pipe, 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 FlexbleJoint according to claim 1, it is characterised in that：The episphere connector, lower half
Ball 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 FlexbleJoint according to claim 1, it is characterised in that：The first flange and second flange
Section be 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, institute
The vertical plane for stating first flange is contacted with the vertical plane of second flange, and the vertical plane of the two is both provided with for bolted
Through-hole.
4. a kind of spherical FlexbleJoint according to claim 1, it is characterised in that：In spherical shape on the outside of two bellowss
Seal assembly is respectively arranged with cardo ring to position, and two cardo rings are mutually parallel, and the central shaft of cardo ring and a left side
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 more
A hinge assembly is taken over left side or the second middle adapter is fixedly connected, and multiple hinge assembly ring-types are distributed on left side and take over
Or second on the outside of middle adapter.
5. a kind of spherical FlexbleJoint according to claim 4, it is characterised in that：The hinge assembly includes two hinged
Column, the upper clamp plate and lower clamp plate for being fixed on two hinge columns are provided between the upper clamp plate and lower clamp plate and are inserted for cardo ring
The gap entered, the upper clamp plate, cardo ring and lower clamp plate are both provided with through-hole, and are carried out across through-hole by bolt between three
It connects and passes through nut locking.
6. a kind of spherical FlexbleJoint 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, and the concave spherical surface of the episphere connector is under
Contact with each other cooperation and shape of the convex spherical of hemisphere connector is coincide.
7. a kind of production method according to claim 1-6 any one of them spherical shape FlexbleJoints, it is characterised in that：Including
Following steps：
Take over molding：
It is taken over according to left side, the different sizes that the first middle adapter, the second middle adapter and right side are taken over require to carry out blanking；
By step（1-1）The blank that middle left side takes over, the first middle adapter, the second middle adapter and right side are taken over is welded into pipe
Shape, formation left side is taken over, the first middle adapter, the second middle adapter and right side are taken over；
Left side is taken over, the first middle adapter, the second middle adapter and the carry out nondestructive inspection of right side take over；
（2）Spherical sealed component is processed：
（2-1）It requires to carry out blanking according to the size of episphere connector, lower semisphere connector；
（2-2）To step（2-1）In episphere connector, lower semisphere connector blank welded, be welded into cricoid
Episphere connector, lower semisphere connector；Machine is carried out to episphere connector, the lower semisphere connector outer surface after welding to add
Work；
（2-3）Chrome-faced is carried out to episphere connector, the lower semisphere connector after machining；
（3）Ring flat-plate is molded：
（3-1）It requires to carry out blanking according to ring flat-plate size, blank is welded into ring flat-plate as requested；
（3-2）To step（3-1）In the ring flat-plate that is welded into carry out surface machining；
（4）Corrugated pipe forming：
（4-1）Wave plate is punched and calendering deformation：Steel band is completed to blanking, punching and the extension of bellows wave plate by composite die
Deformation；
（4-2）Bead：To step（4-1）Wave plate carry out blast processing, the granularity requirements of sand are uniform, a diameter of 0.1-
0.5mm；
（4-3）Welding：Wave plate is put into inner circle welding fixture according to the relationship of forming a complete set of to clamp, welds wave plate inner circle, and ensure
The weld seam lap of splice is 3-10mm；Again by wave plate component on outer circle welding fixture plug, wave plate outer circle, weldering are welded after clamping
The seam lap of splice is 3-10mm；
（4-4）Bellows after welding is heat-treated；
（4-5）Nondestructive inspection is carried out to the bellows after heat treatment；
Compensating sleeve component is processed：
（5-1）It requires to carry out blanking according to the first branch sleeve, the second branch sleeve, first flange, the size of second flange, and
Bending is carried out to the blanking of first flange and second flange；
（5-2）Tubulose is welded into the blank of the first branch sleeve, the second branch sleeve, first flange, second flange；
（5-3）To forming the first branch sleeve of tubulose, the surface progress machine of the second branch sleeve, first flange, second flange
Processing；
（6）Welding assembly：
（6-1）By step（2）In molding two lower semispheres connector be respectively welded at step（1）In molding left side take over and right
Side is taken over, and molding two epispheres connector is respectively welded in the first middle adapter of molding and the second middle adapter, protects
The episphere connector on lower semisphere connector and the first middle adapter that card left side is taken over is in close contact, what right side was taken over
Episphere connector on lower semisphere connector and the second middle adapter is in close contact；
（6-2）By step（3）In molding ring flat-plate select two panels and be weldingly fixed on the first middle adapter and the second middle adapter
Outside；By step（4）In molding two bellows be socketed in respectively on the outside of two spherical sealed components, and be welded to ring flat-plate
On；Thermal insulation material is filled in the cavity formed to bellows and spherical sealed component；It is solid that the molding ring flat-plate welding of two panels is selected again
It is scheduled on the bellows other end, left side is taken over or right side is taken over；In the welding process, one layer of asbestos are covered in bellows surface
Cloth；
（6-3）By step（5）In molding first branch sleeve and the second branch sleeve be respectively welded at the first middle adapter and
On the outside of second middle adapter；First flange is welded on to the outside of the first branch sleeve；In first flange and the second branch sleeve
Between filled graphite filler in the groove that is formed；It is recessed by being formed between second flange insertion first flange and the second branch sleeve
At slot, and first flange and second flange are fixed together by screw bolt and nut；In the welding process, in bellows
Surface covers one layer of asbestos cloth；
（6-4）To step（6-3）Spherical FlexbleJoint integral colouring after middle welding assembly carries out nondestructive inspection；
（6-5）To step（6-4）The spherical FlexbleJoint of qualification after middle nondestructive inspection carries out voltage-withstand test；
（6-6）To step（6-5）Qualified spherical FlexbleJoint is polished, clears up and surface painting area after middle voltage-withstand test
Reason.
8. a kind of production method of spherical FlexbleJoint according to claim 7, it is characterised in that：The step（6）
After further include step（7）：The molding of cardo ring and hinge assembly, includes the following steps：
（7-1）Blanking is required according to the size of cardo ring, the blank of cardo ring is welded into universal ring-shaped；And on cardo ring
Offer through-hole；
（7-2）To step（7-1）In the cardo ring that is welded into carry out surface machining；
（7-3）Require blanking according to the size of hinge column in hinge assembly, upper clamp plate, lower clamp plate, and upper clamp plate, lower clamp plate with
Cardo ring connection is external to open up through-hole；The card slot for upper clamp plate and lower clamp plate grafting is opened up on hinge column；
（7-4）To step（7-3）Hinge column, upper clamp plate, lower clamp plate blank be machined out；
（7-5）Selecting step（7-4）Mach wantonly two groups of hinge columns, every group of hinge column include two hinge columns, will wherein one
The hinged column bottom of group is welded on the circumference that left side is taken over, and is taken over corresponding ring flat-plate fixation with left side and welded, another group of hinge
It connects column to be welded on the circumference of the second middle adapter, and fixes and weld with the ring flat-plate on the outside of the second middle adapter；
（7-6）Selecting step（7-4）Mach wantonly two groups of upper clamp plates and lower clamp plate select one group of upper clamp plate and lower clamp plate clamping
Nut is used in combination in the through-hole of upper clamp plate, cardo ring and lower clamp plate in the card slot of wherein one group hinge column, and by bolt
Locking；Another group of upper clamp plate and lower clamp plate are connected in the card slot of another group of hinge column, and upper clamp plate, ten thousand are passed through by bolt
Into the through-hole of ring and lower clamp plate, nut locking is used in combination.
9. a kind of production method of spherical FlexbleJoint according to claim 7, it is characterised in that：The step（4-
4）In heat treatment process, specifically include following steps：
（4-4-1）Bellows is fitted into vacuum drying oven, is heated after the gas inspection of welding quality by austenite stainless steel bellows
To 390-410 DEG C, 3-5 hours are kept the temperature, stress elimination is carried out, then cools to room temperature with the furnace；
（4-4-2）For martensite and precipitation-hardening stainless steel bellows, before wave plate punching, by bellows punching material dress
Enter in vacuum drying oven, be heated to 1040-1060 DEG C, keeps the temperature 6-14 minutes；After bellows-welding, the gas of welding quality is carried out
Inspection；After gas inspection, bellows is put and keeps the temperature 20-40 minutes for 940-960 DEG C in a vacuum furnace, carries out vacuum air-quenching；Then it carries out cold
Processing, i.e., keep the temperature 8 hours in -73 ~ -83 DEG C of dry ice or more；Ageing treatment is finally carried out, i.e., by bellows 530- in a vacuum furnace
540 DEG C keep the temperature 4 hours, cool to room temperature with the furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204637.0A CN108278431B (en) | 2018-03-13 | 2018-03-13 | Spherical corrugated pipe compensator and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204637.0A CN108278431B (en) | 2018-03-13 | 2018-03-13 | Spherical corrugated pipe compensator and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108278431A true CN108278431A (en) | 2018-07-13 |
| CN108278431B CN108278431B (en) | 2024-02-20 |
Family
ID=62809600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810204637.0A Active CN108278431B (en) | 2018-03-13 | 2018-03-13 | Spherical corrugated pipe compensator and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108278431B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014781A (en) * | 2018-08-06 | 2018-12-18 | 常州朗卓机电科技有限公司 | A kind of processing technology of the flexible water pipe of fire fighting truck |
| CN109623262A (en) * | 2018-10-29 | 2019-04-16 | 江苏丰禾机械制造股份有限公司 | A kind of on-site assembly method of Bellows expansion joint |
| CN112682604A (en) * | 2020-12-21 | 2021-04-20 | 中国地震局工程力学研究所 | Large-displacement protection device for field gas pipeline |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2157383A (en) * | 1984-04-12 | 1985-10-23 | Leslie Maurice Ward | Universal joint |
| US5611577A (en) * | 1994-12-22 | 1997-03-18 | General Electric Company | Bellows sealed ball joint and method of forming |
| CN2725684Y (en) * | 2004-09-10 | 2005-09-14 | 王劲 | Corrosion-proof high-temp axial compensator |
| CN101338845A (en) * | 2008-08-27 | 2009-01-07 | 宋章根 | Rotating compensator for corrosion resistant pipeline and preparation method and compensating system |
| CN102818084A (en) * | 2012-07-26 | 2012-12-12 | 中国石油化工股份有限公司 | Displacement compensation device for oil conveying pipeline of offshore platform |
| CN103016891A (en) * | 2012-09-13 | 2013-04-03 | 江苏亿丰机械制造有限公司 | Combined-type powdered coal pipeline compensation device |
| CN104019313A (en) * | 2014-06-06 | 2014-09-03 | 江苏贝特管件有限公司 | Integrated high-pressure resistant non-leakage sleeve compensator |
| CN203880312U (en) * | 2014-06-06 | 2014-10-15 | 江苏贝特管件有限公司 | Integrated rotation compensator |
| CN204829086U (en) * | 2015-07-14 | 2015-12-02 | 江苏恒丰波纹管有限公司 | Non -maintaining sealed three -dimensional compensator |
| CN106090513A (en) * | 2016-08-24 | 2016-11-09 | 洛阳双瑞特种装备有限公司 | A kind of sylphon seal ball shape rotary crosses ball device |
| CN106122658A (en) * | 2016-09-08 | 2016-11-16 | 江苏五星波纹管有限公司 | Direct-burried external pressure triple seal height anti-corrosion type corrugated sleeve compensator |
| CN106704758A (en) * | 2015-07-13 | 2017-05-24 | 吉慧萍 | Internal-pressure maintenance-free sealed three-dimensional compensator with online alarm device |
| CN207080741U (en) * | 2017-08-10 | 2018-03-09 | 北京市航天兴华波纹管制造有限公司 | A kind of environment-friendly type FlexbleJoint |
| CN208011114U (en) * | 2018-03-13 | 2018-10-26 | 江苏五星波纹管有限公司 | A kind of spherical shape corrugated expansion joint |
-
2018
- 2018-03-13 CN CN201810204637.0A patent/CN108278431B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2157383A (en) * | 1984-04-12 | 1985-10-23 | Leslie Maurice Ward | Universal joint |
| US5611577A (en) * | 1994-12-22 | 1997-03-18 | General Electric Company | Bellows sealed ball joint and method of forming |
| CN2725684Y (en) * | 2004-09-10 | 2005-09-14 | 王劲 | Corrosion-proof high-temp axial compensator |
| CN101338845A (en) * | 2008-08-27 | 2009-01-07 | 宋章根 | Rotating compensator for corrosion resistant pipeline and preparation method and compensating system |
| CN102818084A (en) * | 2012-07-26 | 2012-12-12 | 中国石油化工股份有限公司 | Displacement compensation device for oil conveying pipeline of offshore platform |
| CN103016891A (en) * | 2012-09-13 | 2013-04-03 | 江苏亿丰机械制造有限公司 | Combined-type powdered coal pipeline compensation device |
| CN104019313A (en) * | 2014-06-06 | 2014-09-03 | 江苏贝特管件有限公司 | Integrated high-pressure resistant non-leakage sleeve compensator |
| CN203880312U (en) * | 2014-06-06 | 2014-10-15 | 江苏贝特管件有限公司 | Integrated rotation compensator |
| CN106704758A (en) * | 2015-07-13 | 2017-05-24 | 吉慧萍 | Internal-pressure maintenance-free sealed three-dimensional compensator with online alarm device |
| CN204829086U (en) * | 2015-07-14 | 2015-12-02 | 江苏恒丰波纹管有限公司 | Non -maintaining sealed three -dimensional compensator |
| CN106090513A (en) * | 2016-08-24 | 2016-11-09 | 洛阳双瑞特种装备有限公司 | A kind of sylphon seal ball shape rotary crosses ball device |
| CN106122658A (en) * | 2016-09-08 | 2016-11-16 | 江苏五星波纹管有限公司 | Direct-burried external pressure triple seal height anti-corrosion type corrugated sleeve compensator |
| CN207080741U (en) * | 2017-08-10 | 2018-03-09 | 北京市航天兴华波纹管制造有限公司 | A kind of environment-friendly type FlexbleJoint |
| CN208011114U (en) * | 2018-03-13 | 2018-10-26 | 江苏五星波纹管有限公司 | A kind of spherical shape corrugated expansion joint |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014781A (en) * | 2018-08-06 | 2018-12-18 | 常州朗卓机电科技有限公司 | A kind of processing technology of the flexible water pipe of fire fighting truck |
| CN109014781B (en) * | 2018-08-06 | 2021-05-07 | 常州朗卓机电科技有限公司 | Processing technology of fire fighting truck telescopic water pipe |
| CN109623262A (en) * | 2018-10-29 | 2019-04-16 | 江苏丰禾机械制造股份有限公司 | A kind of on-site assembly method of Bellows expansion joint |
| CN109623262B (en) * | 2018-10-29 | 2021-11-26 | 江苏丰禾机械制造股份有限公司 | On-site assembling method of bellows expansion joint |
| CN112682604A (en) * | 2020-12-21 | 2021-04-20 | 中国地震局工程力学研究所 | Large-displacement protection device for field gas pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108278431B (en) | 2024-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108278431A (en) | A kind of spherical shape corrugated expansion joint and its production method | |
| CN107671469B (en) | A kind of welding tooling and method of gas turbine housing | |
| CN105969924B (en) | A kind of cooling water pipe of cooling wall of blast furnace restorative procedure and its structure and suppress leak finding device | |
| US10350571B2 (en) | Glass-linked reactor and manufacturing method thereof | |
| CN105240640B (en) | A kind of Control rod drive line displacement compensation device, shaping dies and its manufacturing process | |
| CN105436662A (en) | Diaphragm seal weld joint welding machine for heat exchanger and welding method | |
| CN106002103B (en) | The forming method of iron-base superalloy flow splitter | |
| CN103557738A (en) | Sealing structure of tubular heat exchanger tube box | |
| CN204314019U (en) | Hook circle movable tube sheets heat exchanger shell side structure for pressure test | |
| CN208649360U (en) | Air-supply apparatus of blast furnace expansion joint | |
| CN208011114U (en) | A kind of spherical shape corrugated expansion joint | |
| CN210826225U (en) | Blast furnace stave sleeve pipe coal gas plugging device | |
| CN201459203U (en) | Roll neck water-cooling jacket for supporting roll differential quenching | |
| CN211400391U (en) | Circulating refrigeration equipment | |
| CN213452331U (en) | Compensator is restoreed on line to hot-blast furnace | |
| CN202039076U (en) | Air inlet device of blast furnace | |
| CN206399195U (en) | A kind of stove cooling device and its mounting structure | |
| CN202246404U (en) | Air pipe connecting structure in annealing kiln of glass production line | |
| CN203530354U (en) | Blast-furnace tuyere-cooler casing based gas leakage prevention device and blast furnace adopting same | |
| CN212357285U (en) | Top combustion hot blast stove for refractory material | |
| CN218032091U (en) | Corrugated compensator repairing device | |
| CN219013635U (en) | Flange telescopic structure | |
| US11648606B2 (en) | Cooling water channel for casting mold | |
| CN212004658U (en) | T-shaped double-sealing double-receiving-head structure for rolling large-diameter steel pipe | |
| CN206904444U (en) | A kind of elbow with self-balancing seal plug and the heating furnace with the elbow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |