CN112856085A - High-reliability high-airtightness high-temperature-resistant air pipeline compensator - Google Patents
High-reliability high-airtightness high-temperature-resistant air pipeline compensator Download PDFInfo
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- CN112856085A CN112856085A CN202011586317.XA CN202011586317A CN112856085A CN 112856085 A CN112856085 A CN 112856085A CN 202011586317 A CN202011586317 A CN 202011586317A CN 112856085 A CN112856085 A CN 112856085A
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- shell
- compensator
- casing
- core
- resistant air
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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
- F16L51/04—Expansion-compensation arrangements for pipe-lines making use of bends, e.g. lyre-shaped
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention relates to the technical field of compensators and discloses a high-reliability high-airtightness high-temperature-resistance air pipeline compensator which comprises a shaft core, wherein a mandrel is installed on the side wall of the shaft core, an expansion ring spring is fixedly installed on the side wall of the shaft core and supported on the inner wall of the mandrel, a first shell and a third shell are installed at one end of the side wall of the shaft core, a first wedge is installed between the first shell and the third shell and the shaft core, a second shell and a fourth shell are installed on the outer wall of the mandrel, and a second wedge is installed between the second shell and the mandrel and between the fourth shell and the mandrel. This high reliable high airtight high temperature resistant air pipeline compensator guarantees that this compensator can satisfy the demand of axial compensation and angle compensation in the installation and the course of the work for the compensator possesses light in weight, advantage that the reliability is high, has higher gas tightness when satisfying bulb swing and axial displacement.
Description
Technical Field
The invention relates to the technical field of compensators, in particular to a high-reliability high-airtightness high-temperature-resistant air pipeline compensator.
Background
The existing air pipeline compensator is characterized in that a circle of O-shaped ring groove is formed at a pipeline joint of a product, an O-shaped ring is installed in the groove, and a clamp is used for fastening the outer side of a pipeline.
The prior art has the following defects or problems:
firstly, the axial direction can not move after fastening, and axial displacement compensation can not be realized in the working process;
secondly, angle compensation cannot be provided in the angular direction, and therefore the air pipeline compensator with high reliability, high air tightness and high temperature resistance is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-reliability high-airtightness high-temperature-resistant air pipeline compensator, which ensures that the compensator can meet the requirements of axial compensation and angle compensation in the installation process and the working process, so that the compensator has the advantages of light weight and high reliability, has higher airtightness when meeting the swinging and axial movement of a ball head, and the like, and solves the problems that the conventional air pipeline compensator cannot move axially after being fastened and cannot play a role in axial displacement compensation in the working process; the angular direction of the air pipeline compensator can not provide angular compensation, and therefore the problem of a high-reliability high-air-tightness high-temperature-resistant air pipeline compensator is solved.
In order to ensure that the compensator can meet the requirements of axial compensation and angle compensation in the installation process and the working process, so that the compensator has the advantages of light weight and high reliability, and has the purpose of higher air tightness when meeting the swinging and axial movement of a ball head, the invention provides the following technical scheme: the utility model provides a high reliable high airtight high temperature resistant air pipeline compensator, includes the axle core, the dabber is installed to the lateral wall of axle core, the lateral wall fixed mounting of axle core has the expanding spring, just the expanding spring supports the inner wall at the dabber, first casing and third casing are installed to the lateral wall one end of axle core, first casing and third casing and axle core between install first wedge, second casing and fourth casing are installed to the outer wall of dabber, second wedge is installed to second casing and fourth casing and dabber.
Preferably, the first housing and the third housing are fixed by bolts.
Preferably, an expansion ring is fixedly installed at one end of the first wedge.
Preferably, one end of the second wedge is fixedly provided with an expansion ring frame.
Preferably, a pressure plate is mounted on the side wall of the spindle core, and the pressure plate is supported at one end of the spindle core.
Preferably, the side walls of the shaft core and the core shaft are provided with angular limiting blocks.
Preferably, a clamp is installed at one end of the side wall of the mandrel.
Compared with the prior art, the invention provides a high-reliability high-airtightness high-temperature-resistant air pipeline compensator which has the following beneficial effects:
1. this high reliable high airtight high temperature resistant air pipeline compensator passes through in the axle core of left air pipeline compensator through gaseous follow, at the in-process of ventilating, gaseous can outwards reveal along the face gap department that folds of casing and dabber, the axle core can carry out relative axial slip with the dabber and guarantee axial displacement in doing the air pipeline compensator, the core shaft sleeve dress is in the outer lane of axle core, play the spacing effect of axial displacement through installing the clamp on the dabber, guarantee that this compensator can satisfy the demand of axial compensation and angle compensation in the installation and the course of the work.
2. This high reliable high airtight high temperature resistant air pipeline compensator, the compensation of angular displacement is realized through the rotation of the both sides bulb complex of air pipeline compensator, and axial displacement compensation is realized through face of cylinder cooperation to the intermediate position, and bulb cooperation department, face of cylinder cooperation department realize its sealing performance through the mode of the bloated circle of installation for the compensator possess light in weight, advantage that the reliability is high, has higher gas tightness when satisfying bulb swing and axial displacement.
Drawings
FIG. 1 is a schematic view of a left pipeline displacement compensator according to the present invention;
FIG. 2 is a schematic view of a seal design of the present invention;
FIG. 3 is a schematic view of an axial displacement compensation configuration of the present invention;
FIG. 4 is a schematic view of an angle compensation structure according to the present invention.
In the figure: 1. a shaft core; 2. a mandrel; 3. a first housing; 4. a second housing; 5. a third housing; 6. a fourth housing; 7. a first wedge; 8. an expansion ring spring; 9. clamping a hoop; 10. a platen; 11. a second wedge; 12. and (4) expanding the ring frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a high-reliability, high-airtightness and high-temperature-resistant air pipeline compensator comprises a shaft core 1, a core shaft 2 is installed on the side wall of the shaft core 1, an expansion ring spring 8 is fixedly installed on the side wall of the shaft core 1, the expansion ring spring 8 is supported on the inner wall of the core shaft 2, a first shell 3 and a third shell 5 are installed at one end of the side wall of the shaft core 1, a first wedge 7 is installed between the first shell 3 and the third shell 5 and the shaft core 1, a second shell 4 and a fourth shell 6 are installed on the outer wall of the core shaft 2, and a second wedge 11 is installed between the second shell 4 and the fourth shell 6 and the core shaft 2.
The main function of the air pipeline compensator is to provide an air circulation channel, meanwhile, the displacement compensation is provided when an auxiliary power system bleed air pipeline is installed, the thermal expansion and cold contraction of the bleed air pipeline are provided under the working condition, the vibration displacement compensation is realized, and under the condition of meeting the pressure attenuation, the air pipeline compensator is airtight, explosion-proof and pressure-resistant, and the high-reliability high-airtightness high-temperature-resistant air pipeline compensator ensures that the compensator can meet the requirements of axial compensation and angle compensation in the installation process and the working process, so that the compensator has the advantages of light weight and high reliability, and has higher airtightness when meeting the requirements of bulb swinging and axial movement.
The first shell 3 and the third shell 5 are fixedly installed through bolts; one end of the first wedge-shaped member 7 is fixedly provided with an expansion ring; one end of the second wedge-shaped piece 11 is fixedly provided with an expanding ring frame 12; a pressure plate 10 is arranged on the side wall of the shaft core 1, and the pressure plate 10 is supported at one end of the shaft core 2; the side walls of the shaft core 1 and the core shaft 2 are both provided with an angular limiting block; a clamp 9 is arranged at one end of the side wall of the core shaft 2.
When the air pipe compensator works, gas passes through the shaft core 1 of the left air pipe compensator in the working process, the gas can leak outwards along a gap between a shell and a folding surface of the core shaft 2 in the ventilation process, the shaft core 1 and the core shaft 2 can slide relatively and axially to ensure axial displacement when the air pipe compensator is used, the core shaft 2 is sleeved on the outer ring of the shaft core 1, a hoop 9 is arranged on the core shaft 2 to play a role of limiting axial displacement, the limiting distance from the outer end surface of the hoop 9 to the left side of the shaft core 1 is 6mm, the limiting distance from the inner end surface of the hoop 9 to the right side of the shaft core 1 is 6mm, the core shaft 2 can move 6mm axially to the left side and move 6mm axially to the right side through the two limiting distances, and the axial displacement compensation of 6mm is required by the left air pipe compensator, and the axial displacement and the angular displacement are required by the left air pipe compensator, therefore, compensation of angular displacement is achieved through rotation of ball head matching on the two sides of the left air pipeline compensator, axial displacement compensation is achieved through cylindrical surface matching in the middle of the left air pipeline compensator, and sealing performance of the left air pipeline compensator is achieved through the mode that expansion rings are installed at the ball head matching position and the cylindrical surface matching position.
In conclusion, the metal parts are made of TC4 titanium alloy materials, the strength is guaranteed, meanwhile, the design requirement of weight reduction can be met, the expansion ring is made of polytetrafluoroethylene materials, the polytetrafluoroethylene materials have self-lubricating characteristics, meanwhile, the expansion ring can bear the high temperature of 260 ℃, and the use and environment requirements of the left pipeline compensator can be met;
the sealing expansion ring is arranged on the shell, the outer ring of the expansion ring is of a conical structure, the conical surface of the wedge-shaped piece is pressed on the outer conical surface of the expansion ring, the end surface of the expansion ring is attached to the shell, and meanwhile, the inner spherical surface of the expansion ring is attached to the outer spherical surface of the mandrel 2, so that the sealing effect is achieved. The tail part of the wedge-shaped piece is provided with elasticity, and pressure is always kept to be applied to the expansion ring in the using process;
in actual assembly, in order to ensure that the expansion ring is uniformly contracted after being pressed, the expansion ring needs to be broken, and meanwhile, in order to ensure that the phenomenon of air leakage does not occur at the broken opening of the expansion ring, a structural form that double-layer expansion rings are overlapped is adopted, and the broken opening is deflected by 180 degrees for installation when the double-layer expansion rings are installed, so that the phenomenon of air leakage at the broken opening is avoided;
the maximum clearance of the end surface of the pipe sleeve is +/-6 mm after the left air pipeline compensator is installed according to a technical protocol; therefore, in the displacement compensator of the air pipeline, the shaft core 1 and the core shaft 2 are designed to move left and right, so that the maximum clearance of the end surfaces of the pipe sleeves after installation is +/-6 mm;
in the left air pipeline compensator, the inner spherical surface of the shell is matched with the outer spherical surface of the spindle 1, and meanwhile, the shell can rotate within a range of 360 degrees along the outer spherical surface of the spindle to realize angle compensation;
the first shell 3 and the third shell 5 are fixed on the outer spherical surface of the shaft core 1 through screw connection, the first shell 3 and the third shell 5 rotate along the outer spherical surface of the shaft core 1 within a range of 360 degrees, meanwhile, the outer spherical surfaces of the shaft core 1 and the shaft core 2 are provided with angular limiting structures, the angle range from the left shell to the limiting rotation is 9.5 degrees, the angle range from the right shell to the limiting rotation is 10.2 degrees, and therefore the requirement that the included angle of the central line of the pipe sleeve is +/-9.5 degrees after the left air pipeline compensator is installed in a technical protocol is met.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high reliable high airtight high temperature resistant air pipe compensator, includes axle core (1), its characterized in that: dabber (2) are installed to the lateral wall of axle core (1), the lateral wall fixed mounting of axle core (1) has expansion ring spring (8), just expansion ring spring (8) support the inner wall at dabber (2), first casing (3) and third casing (5) are installed to the lateral wall one end of axle core (1), first casing (3) and third casing (5) and install first wedge (7) between axle core (1), second casing (4) and fourth casing (6) are installed to the outer wall of dabber (2), second casing (4) and fourth casing (6) and dabber (2) are installed between second casing (11) and fourth casing (6).
2. The high reliability high gas tightness high temperature resistant air line compensator of claim 1 wherein: the first shell (3) and the third shell (5) are fixedly installed through bolts.
3. The high reliability high gas tightness high temperature resistant air line compensator of claim 1 wherein: one end of the first wedge-shaped piece (7) is fixedly provided with an expansion ring.
4. The high reliability high gas tightness high temperature resistant air line compensator of claim 1 wherein: one end of the second wedge-shaped piece (11) is fixedly provided with an expanding ring frame (12).
5. The high reliability high gas tightness high temperature resistant air line compensator of claim 1 wherein: the side wall of the shaft core (1) is provided with a pressure plate (10), and the pressure plate (10) is supported at one end of the shaft core (2).
6. The high reliability high gas tightness high temperature resistant air line compensator of claim 1 wherein: the side walls of the shaft core (1) and the core shaft (2) are provided with angular limiting blocks.
7. The high reliability high gas tightness high temperature resistant air line compensator of claim 1 wherein: and a clamp (9) is installed at one end of the side wall of the mandrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586317.XA CN112856085A (en) | 2020-12-28 | 2020-12-28 | High-reliability high-airtightness high-temperature-resistant air pipeline compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586317.XA CN112856085A (en) | 2020-12-28 | 2020-12-28 | High-reliability high-airtightness high-temperature-resistant air pipeline compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112856085A true CN112856085A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011586317.XA Pending CN112856085A (en) | 2020-12-28 | 2020-12-28 | High-reliability high-airtightness high-temperature-resistant air pipeline compensator |
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| CN (1) | CN112856085A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1088902A (en) * | 1964-06-04 | 1967-10-25 | Plessey Uk Ltd | Improvements in or relating to circular seals |
| CN2173343Y (en) * | 1993-12-24 | 1994-08-03 | 张家口市第二机床厂 | High-pressure ball type compensator for thick oil gas filling |
| CN101949478A (en) * | 2010-10-19 | 2011-01-19 | 无锡市金羊管道附件有限公司 | Double-ball compensating joint |
| CN202280977U (en) * | 2011-08-13 | 2012-06-20 | 新乡泵厂有限责任公司 | Adjustable steering pipe joint |
| CN210135352U (en) * | 2019-04-15 | 2020-03-10 | 东南管阀股份有限公司 | Universal compensation anticreep device of pipeline |
| CN210135353U (en) * | 2019-04-15 | 2020-03-10 | 东南管阀股份有限公司 | Universal compensation telescoping device of pipeline |
-
2020
- 2020-12-28 CN CN202011586317.XA patent/CN112856085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1088902A (en) * | 1964-06-04 | 1967-10-25 | Plessey Uk Ltd | Improvements in or relating to circular seals |
| CN2173343Y (en) * | 1993-12-24 | 1994-08-03 | 张家口市第二机床厂 | High-pressure ball type compensator for thick oil gas filling |
| CN101949478A (en) * | 2010-10-19 | 2011-01-19 | 无锡市金羊管道附件有限公司 | Double-ball compensating joint |
| CN202280977U (en) * | 2011-08-13 | 2012-06-20 | 新乡泵厂有限责任公司 | Adjustable steering pipe joint |
| CN210135352U (en) * | 2019-04-15 | 2020-03-10 | 东南管阀股份有限公司 | Universal compensation anticreep device of pipeline |
| CN210135353U (en) * | 2019-04-15 | 2020-03-10 | 东南管阀股份有限公司 | Universal compensation telescoping device of pipeline |
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Application publication date: 20210528 |