CN110332403A - A kind of expansion joint - Google Patents
A kind of expansion joint Download PDFInfo
- Publication number
- CN110332403A CN110332403A CN201910725665.1A CN201910725665A CN110332403A CN 110332403 A CN110332403 A CN 110332403A CN 201910725665 A CN201910725665 A CN 201910725665A CN 110332403 A CN110332403 A CN 110332403A
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- Prior art keywords
- elastic rubber
- flange
- rubber set
- pipeline
- fixed disk
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- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention belongs to technical field of pipeline connection, specifically a kind of expansion joint, including columnar elastic rubber set；It is " several " font that elastic rubber, which covers section, and elastic rubber set both ends edge is the flange routed up to the side for covering center far from elastic rubber, and elastic rubber set both ends are also cased with fixed disk；Flange is equipped with flange far from the side of fixed disk；Flange offers sleeve far from one end of fixed disk, is cased with pipeline in sleeve；Seal ring, seal ring and pipeline clearance fit are equipped in sleeve；Seal ring is also cased with gland in the sleeve far from the side of fixed disk, and airtight and watertight padding is equipped between gland and seal ring；The present invention turns cold in pipeline external environment, when the pre- cold events of pipeline, axial direction extends after elastic rubber set deformation, compensate deflection when pipeline is shunk, the biggish partial-length of elastic rubber set mid diameter shortens simultaneously, and the leakproofness of pipeline between adjacent is ensured in the case where not reducing expansion joint actual internal area.
Description
Technical field
The invention belongs to technical field of pipeline connection, specifically a kind of expansion joint.
Background technique
Expansion joint refers to the flexible member that can effectively act as compensation axial deformation effect.Such as it is welded on fixed tube sheet type
Expansion joint axial direction flexibility on heat exchanger shell is big, is easily deformed, and it is hot swollen because wall temperature difference generates to can compensate for pipe and shell
Swollen difference, reduces their axial load, to reduce the thermal (temperature difference) stress of pipe, tube sheet and shell, avoids causing strength failure, lose
Steady destroy pulls destruction with pipe.The type of expansion joint is more, there are commonly waveform, ring flat-plate welding and the structures such as clip shell formula,
Middle corrugated-type expansion joint is most widely used, and ring flat-plate welding expansion joint is only applicable to normal pressure or low pressure occasion.
Expansion joint is traditionally also compensator or telescopic joint.By bellows (a kind of elasticity member for constituting its operative body
Part) and the attachmentes composition such as end pipe, bracket, flange, conduit.Expansion joint is attached caused by being to compensate for because of temperature difference and mechanical oscillation
Add stress, and a kind of flexible structure being arranged on container casing or pipeline.Utilize the effective flexible of its operative body bellows
Deformation, the change in size or compensation pipes generated with absorption line, conduit, container etc. by the reasons such as expanding with heat and contract with cold, conduit,
The axial of container etc., transverse direction and angular displacement.It can also be used for noise-and-vibration-reduction, in heat supply, when heat supply pipeline heats up in order to prevent, by
Cause pipe deforming or destruction in thermal stretching or temperature stress, need that compensator is arranged on pipeline, to compensate the heat of pipeline
Elongation, to reduce the stress of tube wall and act on the active force on valve member or supporting structure.
Expansion joint is extended in the pre- cold events of pipeline to compensate the deflection of pipeline, and the caliber of expansion joint is due to tension at this time
Reduce, reduce the flow of pipeline, while siltation can be formed at expansion joint, causes the security risk of leakage；Work as ambient temperature
It is easy to cause expansion joint intensity to decline when higher, sealing performance reduces.
Summary of the invention
In order to make up for the deficiencies of the prior art, expansion joint is solved to be extended in the pre- cold events of pipeline to compensate the deformation of pipeline
Amount, the caliber of expansion joint reduces because of tension at this time, reduces the flow of pipeline, while can form siltation at expansion joint, makes
At the security risk of leakage；Be easy to cause when ambient temperature is higher expansion joint intensity decline, sealing performance reduce the problem of, this
Invent a kind of expansion joint proposed.
The technical solution adopted by the present invention to solve the technical problems is: a kind of expansion joint of the present invention, including circle
The elastic rubber set of tubular；Elastic rubber set section is " several " font, and elastic rubber set accompanies steel wire using inside
Elastic rubber material is made, and elastic rubber set both ends edge is the flange routed up to the side for covering center far from elastic rubber, bullet
Property rubber sleeve both ends are also cased with fixed disk；The flange is equipped with flange far from the side of fixed disk, and flange cooperation fixed disk will be turned over
It is tightened by bolts while being adopted after clamping；The flange offers sleeve far from one end of fixed disk, is cased with pipeline in sleeve；The set
Seal ring, seal ring and pipeline clearance fit are equipped in cylinder；The seal ring is also cased with gland in the sleeve far from the side of fixed disk, pressure
Airtight and watertight padding is equipped between lid and seal ring；The gland and sleeve are fastened by bolts and compress airtight and watertight padding；In use, will pipe
Road is inserted into sleeve, after choking airtight and watertight padding using gland, screws the bolt between gland and sleeve, while by elastic rubber
The flange of set is clipped between flange and fixed disk, is inserted into simultaneously screwing bolts, elastic rubber is covered and fixes and seals with flange
Closely, when pipeline is because of expanded by heating, elastic rubber covers the expansion length for deforming extraction duct, keeps the sealing of pipeline interior air-flow
Property, when pipeline external environment turns cold, when the pre- cold events of pipeline, axial direction extends after elastic rubber set deformation, and compensation pipeline is received
Deflection when contracting, while the biggish partial-length of elastic rubber set mid diameter shortens, and is not reducing expansion joint flow area
The leakproofness of pipeline between adjacent is ensured in the case where product.
Preferably, lesser one section of both ends diameter of elastic rubber set between the adjacent fixed disk is wound with steel wire, steel
Silk one end and fixed disk are connected, and the steel wire other end and elastic rubber set middle part periphery are connected；When pipeline external environment temperature increases
When, pipeline expanded by heating, so that elastic rubber set middle part section diameter outstanding increases, and then taut wire, so that rubber is elastic
The steel wire tightening of rubber sleeve both ends periphery winding further increases the intensity of elastic rubber set, after reduction elastic rubber set is heated
Softening strength reduction, when pipeline interior air-flow pressure jump, burst the probability of elastic rubber set.
Preferably, cavity is equipped in the steel wire, cavity is provided with lubricating oil, one group of micropore is offered on steel wire, works as steel
Deformation squeezes out lubricating oil from micropore when silk tension, reduces the resistance to sliding of steel wire and elastic rubber set；It is twined when steel wire tension
Tight elastic rubber set, while squeezing out the lubricating oil of steel wire hollow sections after steel wire deformation, reduce steel wire and elastic rubber set
Resistance to sliding, when so that steel wire tightly wrapping elastic rubber set, elastic rubber set is thrown away with preferable deformability, ensures elastic rubber
Cover the stroke of normal deformation compensation pipeline.
Preferably, it is fixed with one group of steel cable on the outside of the elastic rubber set section protrusion, the steel cable other end is through fixation
It is connected after disk, flange and flange with gland；When ambient temperature reduction causes pipeline to shrink, pipeline drives flange to elongate bullet
Property rubber sleeve, at this time elastic rubber set mid diameter major part length shorten, elastic rubber cover both ends close to fixed disk
Partial-length is elongated, so that elastic rubber set tenses steel cable, the further jam-packed airtight and watertight padding of steel strip dynamic pressure lid is further increased
The leakproofness of pipeline and sleeve, prevents internal gas from leaking, and causes security risk.
Preferably, elastic rubber set middle part periphery is equipped with one group of semicircular snap ring；Elastic rubber set middle part
It is additionally provided with one group of semicircular cutting ferrule, cutting ferrule and snap ring, which cover elastic rubber after being merged into, to be surrounded；The snap ring and cutting ferrule are mutual
One end of contact is connected with elastic rubber set, and the cutting ferrule other end is provided with the cylinder barrel of arc, and snap ring is connected close to one end of cylinder barrel
Piston it is free to slide in cylinder barrel；One group of damping hole is offered on the piston, is filled with non-newtonian fluid in cylinder barrel；Work as bullet
Property rubber sleeve in the gas that passes through when there is air pressure change by a small margin because of influences such as air pumps, drive elastic rubber set middle part constantly swollen
Swollen and contraction, reciprocatingly slides in cylinder barrel of the piston on snap ring in cutting ferrule, the non-newtonian fluid in cylinder barrel flows through damping at this time
The energy of piston motion is absorbed when hole, and then reduces the expansion and contraction distortion of elastic rubber set, increases making for elastic rubber set
With the service life, when pipeline obstruction causes manifold pressure to sharply increase, elastic rubber is cased with the trend sharply expanded, at this time snap ring
On piston in cylinder barrel quick sliding, the non-newtonian fluid in cylinder barrel is in a very short period of time by larger pressure, non-newtonian flow
Body rigidly increases, and mobility reduces, and provides enough support forces for piston, prevents snap ring and cutting ferrule from rapidly opening, and then prevent bullet
Property rubber sleeve sharply expand caused by explosion, and then prevent gas in pipelines from spraying, ensure Near Pipelines Environmental security.
Preferably, the snap ring is equipped with one group of mandril close to the side of fixed disk, and mandril and snap ring connect；The top
Bar is connected after running through fixed disk, flange and flange with gland, and mandril is slidably connected with fixed disk, flange and flange respectively；Pass through
Elastic rubber set axial direction elongation is driven when pipeline contracts on cooling, and pressing plate is pulled by steel cable, pressing plate passes through mandril push card
Ring reduces the distance between adjacent snap ring, prevents from covering snap ring caused by mid diameter major part length is reduced because of elastic rubber
It falls off with cutting ferrule.
Beneficial effects of the present invention are as follows:
1. a kind of expansion joint of the present invention, is turned cold by pipeline external environment, when the pre- cold events of pipeline, elastic rubber
Axial direction extends after set deformation, deflection when compensation pipeline is shunk, while elastic rubber covers the biggish part of mid diameter
Length shortens, and the leakproofness of pipeline between adjacent is ensured in the case where not reducing expansion joint actual internal area.
2. a kind of expansion joint of the present invention, when causing pipeline to shrink by ambient temperature reduction, pipeline is driven
Flange elongates elastic rubber set, and the length of elastic rubber set mid diameter major part shortens at this time, and elastic rubber set both ends are leaned on
The partial-length of nearly fixed disk is elongated, so that elastic rubber set tension steel cable, the further jam-packed airtight and watertight padding of steel strip dynamic pressure lid,
The leakproofness for further increasing pipeline and sleeve, prevents internal gas from leaking, and causes security risk.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is isometric view of the invention；
Fig. 2 is main view of the invention；
Fig. 3 is partial enlarged view at A in Fig. 2；
Fig. 4 is the cross-sectional view of B-B in Fig. 2；
Fig. 5 is partial enlarged view at C in Fig. 4；
In figure: elastic rubber covers 1, flange 2, fixed disk 3, flange 4, sleeve 5, pipeline 6, seal ring 7, gland 8, airtight and watertight padding
9, steel wire 10, steel cable 11, snap ring 12, cutting ferrule 13, cylinder barrel 14, piston 15, damping hole 16, mandril 17.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 5, a kind of expansion joint of the present invention, including columnar elastic rubber set 1；The bullet
Property 1 section of rubber sleeve be " several " font, elastic rubber set 1 accompanies the elastic rubber material of steel wire using inside and is made, elasticity
1 both ends edge of rubber sleeve is the flange 2 routed up to the side for covering 1 center far from elastic rubber, and elastic rubber covers 1 both ends and is also cased with
Fixed disk 3；The flange 2 is equipped with flange 4 far from the side of fixed disk 3, and flange 4 uses after cooperating fixed disk 3 to clamp flange 2
Bolt locking；The flange 4 offers sleeve 5 far from one end of fixed disk 3, and pipeline 6 is cased in sleeve 5；It is set in the sleeve 5
There are seal ring 7, seal ring 7 and 6 clearance fit of pipeline；It is also cased with gland 8 in the sleeve 5 of the side of the seal ring 7 far from fixed disk 3,
Airtight and watertight padding 9 is equipped between gland 8 and seal ring 7；The gland 8 is fastened by bolts with sleeve 5 and compresses airtight and watertight padding 9；Make
Pipeline 6 is inserted into sleeve 5, after being choked airtight and watertight padding 9 using gland 8, screws the spiral shell between gland 8 and sleeve 5 by the used time
Bolt, while the flange 2 of elastic rubber set 1 being clipped between flange 4 and fixed disk 3, simultaneously screwing bolts are inserted into, by elastic rubber
Gum cover 1 and flange 4 are fixed and seal close, the expansion of 1 deformation extraction duct 6 of elastic rubber set when pipeline 6 is because of expanded by heating
Length keeps the leakproofness of 6 interior air-flow of pipeline, when 6 external environment of pipeline turns cold, when 6 pre- cold events of pipeline, and elastic rubber set 1
Axial direction extends after deformation, deflection when compensation pipeline 6 is shunk, while elastic rubber covers the biggish part of 1 mid diameter
Length shortens, and the leakproofness of pipeline 6 between adjacent is ensured in the case where not reducing expansion joint actual internal area.
As one embodiment of the present invention, it is smaller that the elastic rubber between the adjacent fixed disk 3 covers 1 both ends diameter
One section be wound with steel wire 10,10 one end of steel wire and fixed disk 3 are connected, and 10 other end of steel wire and elastic rubber cover 1 middle part periphery
It is connected；When 6 ambient temperature of pipeline increases, 6 expanded by heating of pipeline, so that 1 middle part part outstanding of elastic rubber set is straight
Diameter increases, and then taut wire 10, so that the steel wire 10 that rubber elastic rubber covers the winding of 1 both ends periphery is tightened, further increases bullet
Property rubber sleeve 1 intensity, reduce elastic rubber set 1 it is heated after soften strength reduction, when 6 interior air-flow pressure jump of pipeline, bursts bullet
The probability of property rubber sleeve 1.
As one embodiment of the present invention, it is equipped with cavity in the steel wire 10, cavity is provided with lubricating oil, steel wire 10
On offer one group of micropore, when 10 tension of steel wire, deformation squeezes out lubricating oil from micropore, reduces steel wire 10 and elastic rubber set 1
Resistance to sliding；Elastic rubber set 1 is tightly wrapped when 10 tension of steel wire, while by the profit of 10 hollow sections of steel wire after the deformation of steel wire 10
Lubricating oil squeezes out, and reduces the resistance to sliding of steel wire 10 and elastic rubber set 1, when so that steel wire 10 tightly wrapping elastic rubber set 1, elastic rubber
Gum cover 1 throws away the stroke for ensureing that elastic rubber covers 1 normal deformation compensation pipeline 6 with preferable deformability.
As one embodiment of the present invention, the elastic rubber, which covers, is fixed with one group of steel cable on the outside of 1 section protrusion
11,11 other end of steel cable is connected after running through fixed disk 3, flange 2 and flange 4 with gland 8；When ambient temperature reduction leads to pipe
When road 6 is shunk, pipeline 6 drives flange 4 to elongate elastic rubber set 1, and elastic rubber covers the length of 1 mid diameter major part at this time
It shortens, it is elongated close to the partial-length of fixed disk 3 that elastic rubber covers 1 both ends, so that elastic rubber set 1 tenses steel cable 11, steel cable
11 drive the further jam-packed airtight and watertight padding 9 of gland 8, further increase the leakproofness of pipeline 6 Yu sleeve 5, prevent internal gas from letting out
Leakage, causes security risk.
As one embodiment of the present invention, the elastic rubber covers 1 middle part periphery and is equipped with one group of semicircular snap ring
12；1 middle part of elastic rubber set is additionally provided with one group of semicircular cutting ferrule 13, cutting ferrule 13 and snap ring 12 be merged into after by elastic rubber
Gum cover 1 surrounds；One end that the snap ring 12 and cutting ferrule 13 contact with each other is connected with elastic rubber set 1, and 13 other end of cutting ferrule is opened
There is the cylinder barrel 14 of arc, snap ring 12 is free to slide in cylinder barrel 14 close to the piston 15 that one end of cylinder barrel 14 is connected；The piston
One group of damping hole 16 is offered on 15, is filled with non-newtonian fluid in cylinder barrel 14；When the gas passed through in elastic rubber set 1 is because of gas
When air pressure change by a small margin occur in the influences such as pump, drives the constantly expansion of 1 middle part of elastic rubber set and shrink, at this time on snap ring 12
Piston 15 reciprocatingly slides in the cylinder barrel 14 in cutting ferrule 13, and the non-newtonian fluid in cylinder barrel 14 absorbs piston when flowing through damping hole 16
The energy of 15 movements, and then the expansion and contraction distortion of elastic rubber set 1 are reduced, increase the service life of elastic rubber set 1, when
When the obstruction of pipeline 6 causes that pressure sharply increases in pipeline 6, elastic rubber set 1 has the tendency that sharply expanding, at this time on snap ring 12
The quick sliding in cylinder barrel 14 of piston 15, the non-newtonian fluid in cylinder barrel 14 is in a very short period of time by larger pressure, non newtonian
Fluid rigidly increases, and mobility reduces, and provides enough support forces for piston 15, prevents snap ring 12 and cutting ferrule 13 from rapidly opening, into
And explosion caused by preventing elastic rubber set 1 from sharply expanding, and then prevent gas in pipeline 6 from spraying, ensure the environment nearby of pipeline 6
Safety.
As one embodiment of the present invention, the snap ring 12 is equipped with one group of mandril 17, top close to the side of fixed disk 3
Bar 17 and snap ring 12 connect；The mandril 17 is connected after running through fixed disk 3, flange 2 and flange 4 with gland 8, and mandril 17 divides
It is not slidably connected with fixed disk 3, flange 2 and flange 4；It drives elastic rubber to cover 1 axial direction when contracting on cooling by pipeline 6 to stretch
It is long, pressing plate is pulled by steel cable 11, pressing plate pushes snap ring 12 by mandril 17, reduces the distance between adjacent snap ring 12, prevent
Snap ring 12 and cutting ferrule 13 caused by reducing because of elastic rubber 1 mid diameter major part length of set fall off.
When work, pipeline 6 is inserted into sleeve 5, after choking airtight and watertight padding 9 using gland 8, screws gland 8 and sleeve 5
Between bolt, while the flange 2 of elastic rubber set 1 being clipped between flange 4 and fixed disk 3, is inserted into and screwing bolts,
Elastic rubber set 1 is fixed with flange 4 and seals close, the 1 deformation extraction duct of elastic rubber set when pipeline 6 is because of expanded by heating
6 expansion length keeps the leakproofness of 6 interior air-flow of pipeline, when 6 external environment of pipeline turns cold, when 6 pre- cold events of pipeline, and elasticity
Axial direction extends after rubber sleeve 1 deforms, deflection when compensation pipeline 6 is shunk, while elastic rubber 1 mid diameter of set is larger
Partial-length shorten, the leakproofness of pipeline 6 between adjacent is ensured in the case where not reducing expansion joint actual internal area；Work as pipe
When 6 ambient temperature of road increases, 6 expanded by heating of pipeline, so that 1 middle part section diameter outstanding of elastic rubber set increases, into
And taut wire 10 further increases elastic rubber set 1 so that the steel wire 10 that rubber elastic rubber covers the winding of 1 both ends periphery is tightened
Intensity, reduce elastic rubber set 1 it is heated after soften strength reduction, when 6 interior air-flow pressure jump of pipeline, bursts elastic rubber set 1
Probability；Elastic rubber set 1 is tightly wrapped when 10 tension of steel wire, while by the lubricating oil of 10 hollow sections of steel wire after the deformation of steel wire 10
It squeezes out, reduces the resistance to sliding of steel wire 10 and elastic rubber set 1, when so that steel wire 10 tightly wrapping elastic rubber set 1, elastic rubber set
1 throws away the stroke for ensureing that elastic rubber covers 1 normal deformation compensation pipeline 6 with preferable deformability；Work as ambient temperature
When reduction causes pipeline 6 to shrink, pipeline 6 drives flange 4 to elongate elastic rubber set 1, and it is larger to cover 1 mid diameter for elastic rubber at this time
Partial length shortens, and it is elongated close to the partial-length of fixed disk 3 that elastic rubber covers 1 both ends, so that elastic rubber set 1 tenses steel
Rope 11, steel cable 11 drive the further jam-packed airtight and watertight padding 9 of gland 8, further increase the leakproofness of pipeline 6 Yu sleeve 5, prevent interior
The leakage of portion's gas, causes security risk；When the gas passed through in elastic rubber set 1 becomes because air pressure by a small margin occur in the influences such as air pump
When change, drives the constantly expansion of 1 middle part of elastic rubber set and shrink, at this time cylinder barrel 14 of the piston 15 on snap ring 12 in cutting ferrule 13
It inside reciprocatingly slides, the non-newtonian fluid in cylinder barrel 14 absorbs the energy that piston 15 moves when flowing through damping hole 16, and then reduces bullet
Property rubber sleeve 1 expansion and contraction distortion, increase elastic rubber set 1 service life, when pipeline 6 obstruction cause 6 internal pressure of pipeline
When power sharply increases, elastic rubber set 1 has the tendency that sharply expanding, the fast ski-running in cylinder barrel 14 of the piston 15 on snap ring 12 at this time
Dynamic, in a very short period of time by larger pressure, non-newtonian fluid rigidly increases the non-newtonian fluid in cylinder barrel 14, mobility drop
It is low, enough support forces are provided for piston 15, prevent snap ring 12 and cutting ferrule 13 from rapidly opening, and then prevent elastic rubber set 1 sharply
Explosion caused by expanding, and then prevent gas in pipeline 6 from spraying, ensure the Environmental security nearby of pipeline 6；It is received to the cold by pipeline 6
It driving elastic rubber to cover the elongation of 1 axial direction when contracting, pressing plate is pulled by steel cable 11, pressing plate pushes snap ring 12 by mandril 17,
Reduce the distance between adjacent snap ring 12, prevents from covering snap ring caused by 1 mid diameter major part length is reduced because of elastic rubber
12 and cutting ferrule 13 fall off.
Above-mentioned front, back, left, right, up, down is mark according to personage's observation visual angle on the basis of Fig. 1 in Figure of description
Standard, device surface are defined as a left side on the left of observer to before being defined as on one side of observer, and so on.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of expansion joint, it is characterised in that: including columnar elastic rubber set (1)；Elastic rubber set (1) section is
" several " font, elastic rubber set (1) are made of the elastic rubber material that inside accompanies steel wire, elastic rubber set (1) both ends
Edge is the flange (2) routed up to the side far from elastic rubber set (1) center, and elastic rubber set (1) both ends are also cased with fixation
Disk (3)；The flange (2) is equipped with flange (4) far from the side of fixed disk (3), and flange (4) cooperates fixed disk (3) by flange (2)
It adopts and is tightened by bolts after clamping；The flange (4) offers sleeve (5) far from the one end of fixed disk (3), is cased in sleeve (5)
Pipeline (6)；Seal ring (7) are equipped in the sleeve (5), seal ring (7) and pipeline (6) clearance fit；The seal ring (7) is far from fixed
It is also cased with gland (8) in the sleeve (5) of the side of disk (3), is equipped with airtight and watertight padding (9) between gland (8) and seal ring (7)；It is described
Gland (8) and sleeve (5) are fastened by bolts and compress airtight and watertight padding (9).
2. a kind of expansion joint according to claim 1, it is characterised in that: the elastic rubber between the adjacent fixed disk (3)
Lesser one section of diameter of gum cover (1) both ends are wound with steel wire (10), and steel wire (10) one end and fixed disk (3) are connected, steel wire (10)
Periphery is connected in the middle part of the other end and elastic rubber set (1).
3. a kind of expansion joint according to claim 2, it is characterised in that: cavity is equipped in the steel wire (10), in cavity
Equipped with lubricating oil, one group of micropore is offered on steel wire (10), deformation squeezes out lubricating oil from micropore when steel wire (10) tension, subtracts
The resistance to sliding of few steel wire (10) and elastic rubber set (1).
4. a kind of expansion joint according to claim 3, it is characterised in that: outside the protrusion of elastic rubber set (1) section
Side is fixed with one group of steel cable (11), steel cable (11) other end through fixed disk (3), flange (2) and flange (4) afterwards with gland (8)
It is connected.
5. a kind of expansion joint according to claim 4, it is characterised in that: periphery is equipped in the middle part of the elastic rubber set (1)
One group of semicircular snap ring (12)；One group of semicircular cutting ferrule (13), cutting ferrule (13) are additionally provided in the middle part of the elastic rubber set (1)
Elastic rubber set (1) is surrounded after being merged into snap ring (12)；One end that the snap ring (12) and cutting ferrule (13) contact with each other is equal
Be connected with elastic rubber set (1), cutting ferrule (13) other end is provided with the cylinder barrel (14) of arc, snap ring (12) close to cylinder barrel (14) one
The connected piston (15) in end is free to slide in cylinder barrel (14)；One group of damping hole (16), cylinder barrel are offered on the piston (15)
(14) non-newtonian fluid is filled in.
6. a kind of expansion joint according to claim 5, it is characterised in that: the one of the snap ring (12) close fixed disk (3)
Side is equipped with one group of mandril (17), and mandril (17) and snap ring (12) connect；The mandril (17) runs through fixed disk (3), flange
(2) it is connected afterwards with gland (8) with flange (4), mandril (17) is slidably connected with fixed disk (3), flange (2) and flange (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725665.1A CN110332403B (en) | 2019-08-07 | 2019-08-07 | Expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725665.1A CN110332403B (en) | 2019-08-07 | 2019-08-07 | Expansion joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110332403A true CN110332403A (en) | 2019-10-15 |
| CN110332403B CN110332403B (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910725665.1A Expired - Fee Related CN110332403B (en) | 2019-08-07 | 2019-08-07 | Expansion joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898790A (en) * | 2020-06-22 | 2022-01-07 | 中国航发商用航空发动机有限责任公司 | Pipe support and thermal deformation compensation device for same |
| CN116960855A (en) * | 2023-09-21 | 2023-10-27 | 江苏安靠智能输电工程科技股份有限公司 | Novel force balance corrugated pipe adopting air cylinder and pulley block |
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|---|---|---|---|---|
| AT355883B (en) * | 1978-04-20 | 1980-03-25 | Taurus Gumiipari Vallalat | ELASTIC CONNECTING PIECE MADE OF RUBBER OR RUBBER-LIKE PLASTIC FOR CONNECTING TUBES OR TUBULAR ELEMENTS |
| CN2844626Y (en) * | 2005-11-17 | 2006-12-06 | 张震海 | The high-performance FlexbleJoint |
| CN201133540Y (en) * | 2007-12-13 | 2008-10-15 | 张思忠 | Single wave rigid and flexible expansion joint |
| CN201568680U (en) * | 2009-11-09 | 2010-09-01 | 倪静丰 | Telescopic joint with corrugated pipe |
| CN201715149U (en) * | 2010-07-07 | 2011-01-19 | 兴化市通科机械有限公司 | Large-deflection loose tube spherical compensating joint |
| KR101206334B1 (en) * | 2011-08-26 | 2012-11-29 | 손정남 | manufacture method of flexible joint by wire cord paper |
| CN103470759A (en) * | 2013-09-07 | 2013-12-25 | 江苏贝德管道设备有限公司 | Double-seal high temperature and high pressure rotary compensator and manufacturing method thereof |
| CN109469781A (en) * | 2018-12-29 | 2019-03-15 | 江苏贝特管件有限公司 | A kind of whirl compensator that sealing performance is excellent |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898790A (en) * | 2020-06-22 | 2022-01-07 | 中国航发商用航空发动机有限责任公司 | Pipe support and thermal deformation compensation device for same |
| CN116960855A (en) * | 2023-09-21 | 2023-10-27 | 江苏安靠智能输电工程科技股份有限公司 | Novel force balance corrugated pipe adopting air cylinder and pulley block |
| CN116960855B (en) * | 2023-09-21 | 2024-01-05 | 江苏安靠智能输电工程科技股份有限公司 | Force balance corrugated pipe adopting air cylinder and pulley block |
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| CN110332403B (en) | 2021-04-16 |
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