CN109139910A - High temperature position big end face seals and method - Google Patents
High temperature position big end face seals and method Download PDFInfo
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- CN109139910A CN109139910A CN201811203259.0A CN201811203259A CN109139910A CN 109139910 A CN109139910 A CN 109139910A CN 201811203259 A CN201811203259 A CN 201811203259A CN 109139910 A CN109139910 A CN 109139910A
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- Prior art keywords
- annular groove
- flexible wire
- face
- combustion box
- faying face
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Classifications
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0887—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing the sealing effect being obtained by elastic deformation of the packing
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00012—Details of sealing devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of high temperature position big end face seals and encapsulating methods, sealing of the high temperature position big end face seals for faying face faying face in high-temperature work environment between the combustion box and rear housing of aero-engine, faying face radial dimension is 500mm~800mm, it is used to utilize compressive deformation to form ring packing in annular groove including being circumferentially set on combustion box end face and/or being used to form the annular groove of annular receiving cavity on rear housing end face and be layed in and compensates the Flexible wire of the deformation of faying face fuel factor generation using the rebound of itself, the radial dimension of Flexible wire is greater than the depth of annular groove, by the compressive deformation of Flexible wire after combustion box and the connection of rear housing so that faying face palette between combustion box and rear housing.
Description
Technical field
The present invention relates to end face seal technical fields, particularly, are related to a kind of high temperature position big end face seals, this
Outside, a kind of high temperature position large end face encapsulating method is further related to.
Background technique
For the heavy parts that many needs to be tightly connected in high-temperature work environment, due to the faying face radial ruler of part
It is very little bigger, it is difficult to it is tightly connected part by being laid with gasket seal, therefore passes through the flatness gluing, sealing of part end face,
But due to being chronically at high-temperature work environment, the end face of part is easily deformed, to influence the sealing effect of faying face, especially
For thin wall component.Such as in aero-engine, combustion box and rear housing are by several bolts and self-locking spiral shell
Mother connection after, faying face coat Berlin black, assembly when, need to record the gluing time, with guarantee engine in test run, it is heat-resisting
Paint has been fully cured.The faying face radial dimension is larger, about 690mm, and is thin-wall construction, the sealings knot such as gasket not easy to use
Structure is bonded and to be sealed mainly by flatness itself.At work, casing and rear housing are easily deformed engine, end
Face can generate unevenness, lead to poor sealing.Since problem on deformation is difficult to eliminate, lead to the sealing effect of end face gluing, sealing
Difference.
Summary of the invention
The present invention provides a kind of high temperature position big end face seals and encapsulating methods, to solve existing hot operation
Part passes through the technical issues of poor sealing effect of end face gluing, sealing in environment.
According to an aspect of the present invention, a kind of high temperature position big end face seals are provided, for aero-engine
The sealing of faying face faying face in high-temperature work environment between combustion box and rear housing, faying face radial dimension are
500mm~800mm, including be circumferentially set on combustion box end face and/or be used to form annular receiving on rear housing end face
It the annular groove of cavity and is layed in annular groove for forming ring packing and returning using itself using compressive deformation
For bullet to compensate the Flexible wire of the deformation of faying face fuel factor generation, the radial dimension of Flexible wire is greater than the depth of annular groove
Degree, by the compressive deformation of Flexible wire after combustion box and the connection of rear housing so that between combustion box and rear housing
Faying face palette.
Further, the length of Flexible wire is greater than the perimeter of annular groove, and the both ends overlap joint of Flexible wire constitutes annular,
The lap of splice is 4mm~15mm.
Further, the radial dimension of Flexible wire is 0.5 times -0.7 times of the width of annular groove.
According to another aspect of the present invention, a kind of high temperature position large end face encapsulating method is also provided, aero-engine is used for
Combustion box and rear housing between sealing of the faying face in high-temperature work environment, faying face radial dimension is 500mm
~800mm, faying face, comprising the following steps: along the circumferential direction of faying face on combustion box end face and/or on rear housing end face
Open up annular groove；It is layed in annular groove after one end of Flexible wire is fixed in annular groove along annular groove；
Combustion box and the assembly of rear housing are fixed by connector, the Flexible wire compression in annular groove make combustion box and
Housing faying face palette afterwards.
It further, further include following step before combustion box and/or rear housing endface open up annular groove
Suddenly, the size of annular groove and Flexible wire is determined according to the size of combustion box and rear housing faying face.
Further, it is determined that the size of annular groove and Flexible wire, comprising the following steps: determine the width of annular groove
Degree, the width of annular groove are 0.1 times -0.3 times of faying face width；Choose radial dimension be 0.5 times of annular groove width-
0.7 times of Flexible wire；Determine that the depth of annular groove, the depth of annular groove are radial dimension of 0.6 times of Flexible wire-
0.7 times.
Further, it is determined that the size of annular groove and Flexible wire, further comprising the steps of: Flexible wire is more recessed than annular
Flute length 4mm-15mm.
Further, it is determined that the size of annular groove and Flexible wire, comprising the following steps: determine the width of annular groove
Degree, the width of annular groove are 0.1 times -0.3 times of faying face width；Choose the soft gold that radial dimension is less than annular groove width
The width for belonging to silk and annular groove is the radial dimension of integral multiple of Flexible wire；Determine the depth of annular groove, annular groove
Depth is radial dimension of 0.6 times -0.7 times of Flexible wire.
Further, it is laid with Flexible wire, comprising the following steps: Flexible wire is fitted in the side wall surface of annular groove
Spiral fashion is paved in annular groove afterwards.
Further, it being laid with before Flexible wire, the surface of annular groove is handled, it is ensured that slot bottom is smooth,
Flexible wire is straightened；When being laid with Flexible wire, along annular groove after one end of Flexible wire is fixed in annular groove
It is layed in annular groove and coats adhesive glue after every one section of paving in annular groove or in a manner of spot welding by Flexible wire
It is fixed in annular groove.
The invention has the following advantages:
High temperature position big end face seals of the invention, by prolong end face circumferential direction be set to combustion box and/or after
The thickness of the annular groove of housing endface and the Flexible wire being layed in annular groove is greater than the depth of annular groove, leads to
Crossing after connecting combustion box with rear housing makes Flexible wire be squeezed rear compressive deformation, thus combustion box and rear outer
Cover faying face palette；Since Flexible wire with good mechanical strength and very high high-temperature capability and there is elasticity to become
The ability of shape, therefore when endface is deformed in high-temperature work environment for combustion box and rear housing, pass through soft metal
The automatic rebounding of silk compensates the gap as caused by deformation of joint surface, it is ensured that combustion box and rear housing faying face sealing paste
It closes.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the high temperature position big end face seals of the preferred embodiment of the present invention；
Fig. 2 be the preferred embodiment of the present invention be Flexible wire structural schematic diagram.
Marginal data:
1, combustion box；2, rear housing；3, annular groove；4, Flexible wire.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited by following and
The multitude of different ways of covering is implemented.
Fig. 1 is the structural schematic diagram of the high temperature position big end face seals of the preferred embodiment of the present invention；Fig. 2 is the present invention
Preferred embodiment be Flexible wire structural schematic diagram.
As depicted in figs. 1 and 2, the high temperature position big end face seals of the present embodiment, the burning for aero-engine
The sealing of faying face faying face in high-temperature work environment between room casing 1 and rear housing 2, faying face radial dimension are
500mm~800mm, which is characterized in that including being circumferentially set on 1 end face of combustion box and/or being used on 2 end face of housing afterwards
It forms the annular groove 3 of annular receiving cavity and is layed in annular groove 3 for forming ring packing using compressive deformation
And the Flexible wire 4 of the deformation of faying face fuel factor generation is compensated using the rebound of itself, the radial dimension of Flexible wire 4 is big
In the depth of annular groove 3, the compressive deformation of Flexible wire 4 is so that combustion chamber after being connected by combustion box 1 and rear housing 2
Faying face palette between casing 1 and rear housing 2.High temperature position big end face seals of the invention, by prolonging end face
The circumferential direction soft gold that is set to the annular groove 3 of combustion box 1 and/or rear 2 endface of housing and is layed in annular groove 3
The thickness for belonging to silk 4 and Flexible wire 4 is greater than the depth of annular groove 3, by will combustion box 1 and rear housing 2 connect after make
Flexible wire 4 is squeezed rear compressive deformation, thus 2 faying face palette of combustion box 1 and rear housing；Due to soft metal
Silk 4 works as combustion box 1 with good mechanical strength and very high high-temperature capability and with the ability of flexible deformation
When endface is deformed in high-temperature work environment with rear housing 2, by the automatic rebounding compensation of Flexible wire 4 due to combining
Face deforms generated gap, it is ensured that 2 faying face palette of combustion box 1 and rear housing.Flexible wire 4 use hardness for
Softer metals between 40HB to 80HB are made.Optionally, Flexible wire 4 is copper wire, nickel wire, Contra wire and/or aluminium
Mg alloy wire.Optionally, combustion box 1 and/or rear 2 end face of housing are equipped in multiple annular grooves 3 and annular groove 3 and spread
If Flexible wire 4.The operating temperature of combustion box 1 is higher than the operating temperature of rear housing 2, and annular groove 3 is set to combustion chamber machine
1 endface of casket.The installation side of the high combustion box 1 of operating temperature more easily deforms, by the way that annular groove 3 is set to burning
Casing 1 end face in room is to pass through timely 1 endface of compensation combustion room casing of automatic rebounding of the Flexible wire 4 in annular groove 3
Gap caused by deforming.Combustion box 1 installation while wall thickness be less than rear housing 2 installation while wall thickness, annular groove 3
Set on 1 endface of combustion box.The thick lesser combustion box 1 of installation side wall more easily deforms, by by annular groove 3
It is compensated in time with the automatic rebounding by the Flexible wire 4 in annular groove 3 due to combustion chamber machine set on 1 end face of combustion box
Gap caused by the deformation of 1 endface of casket.Fixed structure is equipped between Flexible wire 4 and the binding face of annular groove 3.It is multiple
Fixed structure is uniformly distributed along the circumferential direction of annular groove 3.Fixed mechanism is adhesive glue.Or Flexible wire 4 and annular groove 3 lead to
It crosses and is welded and fixed.
As depicted in figs. 1 and 2, the length of Flexible wire 4 is greater than the perimeter of annular groove 3, the both ends overlap joint of Flexible wire 4
Constitute annular, lap of splice 4mm-15mm.The both ends of Flexible wire 4 along annular groove width direction overlap joint and respectively with annular
Two trough wall surfaces of groove 3 are bonded.When combustion box 1 and after housing 2 connection after, Flexible wire 4 is squeezed rear soft metal
The thickness of silk 4 becomes smaller and length, the Flexible wire 4 while by automatic rebounding to compensate the gap between faying face
Length shortens, there is gap between the both ends to make soft metal after avoiding Flexible wire 4 from shortening and influence combustion box 1 and after
The sealing effect of 2 faying face of housing is layed in annular groove 3 by the Flexible wire 4 that length is greater than the perimeter of annular groove 3
And the both ends overlap joint of Flexible wire 4, so that the both ends of the Flexible wire 4 when length shortens after automatic rebounding of Flexible wire 4 are still
Fitting.It is bonded by two trough wall surfaces after overlapping at the both ends of Flexible wire 4 side by side respectively with annular groove 3, makes to be located at combination
The thickness of Flexible wire 4 is equal between face, therefore the thickness after 4 compressive deformation of Flexible wire is also equal, so that it is guaranteed that burning
Room casing 1 and rear housing 2 are tightly connected.
As depicted in figs. 1 and 2, in the present embodiment, the radial dimension of Flexible wire 4 is the 0.5 of the width of annular groove 3
- 0.7 times again.Convenient for will the both ends of Flexible wire 4 overlap joint with annular groove 3 in.If the radial dimension of Flexible wire 4 is less than annular
The half of the width of groove 3 then after the both ends overlap joint of Flexible wire 4 between two trough wall surfaces of annular groove 3 there are gap, when
When the faying face of combustion box 1 and rear housing 2 deforms, the Flexible wire 4 after compressive deformation is by automatic rebounding to mend
When repaying the gap between faying face, Flexible wire 4 can radially spring back along end face and can not compensate the axial direction between faying face in time
Gap.Optionally, it is laid side by side by more Flexible wires 4 in annular groove 3, the both ends end face of every Flexible wire 4 is pasted
It closes, and the both ends of every Flexible wire 4 are distributed at the different location of annular groove 3.When a wherein Flexible wire 4 is due to length
When spending generation gap between the both ends end face for shortening and making, gap barrier can be ensured the sealing of faying face by other Flexible wires 4
Property.Optionally, the radial dimension of Flexible wire 4 be less than annular groove 3 width half, 4 spiral fashion of Flexible wire be paved in
In the annular groove 3 and both ends of Flexible wire 4 are bonded with two trough wall surfaces of annular groove 3 respectively.
As depicted in figs. 1 and 2, the high temperature position large end face encapsulating method of the present embodiment, the burning for aero-engine
Sealing of the faying face in high-temperature work environment between room casing 1 and rear housing 2, faying face radial dimension be 500mm~
800mm, faying face is characterized by comprising the following steps: along knot on 1 end face of combustion box and/or on rear 2 end face of housing
The circumferential direction in conjunction face opens up annular groove 3；It is laid with after one end of Flexible wire 4 is fixed in annular groove 3 along annular groove 3
In in annular groove 3；Combustion box 1 and the assembly of rear housing 2 are fixed by connector, the Flexible wire 4 in annular groove 3
Compression makes 2 faying face palette of combustion box 1 and rear housing.High temperature position large end face encapsulating method of the invention, passes through
Annular groove 3 is opened up in combustion box 1 and/or rear 2 endface of housing and Flexible wire 4 is layed in annular groove 3, is led to
Crossing after connector connects combustion box 1 and rear housing 2 makes Flexible wire 4 be squeezed rear compressive deformation, thus combustion chamber
2 faying face palette of casing 1 and rear housing；Since Flexible wire 4 has good mechanical strength and very high heat-resisting strong
Degree and with flexible deformation ability, therefore when combustion box 1 and after housing 2 in high-temperature work environment endface generate become
When shape, the gap as caused by deformation of joint surface is compensated by the automatic rebounding of Flexible wire 4, it is ensured that 1 He of combustion box
2 faying face palette of housing afterwards.Through the slot knife that is installed on vertical vehicle on 1 end face of combustion box and/or rear 2 end of housing
Circumferential direction on face along faying face opens up annular groove 3, and needs on detection 1 end face of combustion box before driving annular groove 3
Whether meet the requirements with the flatness of rear 2 end face of housing.Optionally, annular is fixed in one end of the Flexible wire 4 cut
It is layed in annular groove 3 after in groove 3 along annular groove 3.Optionally, one end of Flexible wire 4 is fixed on annular recessed
It is layed in annular groove 3 after in slot 3 along annular groove 3, again by 4 severing of Flexible wire after being laid with.
As depicted in figs. 1 and 2, it before combustion box 1 and/or rear 2 endface of housing open up annular groove 3, also wraps
Following steps are included, the ruler of annular groove 3 and Flexible wire 4 is determined according to the size of 2 faying face of combustion box 1 and rear housing
It is very little.Optionally, the radial ruler of annular groove 3 is determined according to the radial dimension of 2 faying face of combustion box 1 and rear housing and width
Very little and quantity.Multiple and different radial dimension of annular grooves 3 are set simultaneously on the faying face of combustion box 1 and/or rear housing 2
Flexible wire 4 is laid in multiple annular grooves 3.It is compensated by the automatic rebounding of the Flexible wire 4 in multiple annular grooves 3
Gap caused by deformation at faying face different location.In the present embodiment, the width of faying face is 6.75mm, in building ring
The annular groove 3 that a width is 1.5mm is opened up on higher 1 end face of combustion box of border temperature, choosing radial dimension is
The nickel wire of 0.75mm is layed in annular groove 3.
Determine the size of annular groove 3 and Flexible wire 4, comprising the following steps: determine the width of annular groove 3, annular
The width of groove 3 is 0.1 times -0.3 times of faying face width；Determine the radial dimension of Flexible wire 4, the radial direction of Flexible wire 4
0.5 times -0.7 times having a size of 3 width of annular groove；Determine that the depth of annular groove 3, the depth of annular groove 3 are soft metal
Radial dimension of 0.6 times -0.7 times of silk 4.Determine the size of annular groove 3 and Flexible wire 4, it is further comprising the steps of: soft metal
Silk 4 is 4mm-15mm longer than annular groove 3.If the width of annular groove 3 is less than 0.1 times of faying face width, it is layed in annular
The small volume of Flexible wire 4 in groove 3, the automatic rebounding amount of Flexible wire 4 are less than the deflection of faying face, therefore can not
The gap as caused by deformation of joint surface is fully compensated.If the width of annular groove 3 is greater than 0.3 times of faying face width,
The area of the end face of combustion box 1 and rear housing 2 fitting is less, causes face paste to close sealing effect and is deteriorated.It also needs to consider simultaneously
Stress condition at the faying face of combustion box 1 and rear housing 2, it is ensured that be layed in Flexible wire 4 in annular groove 3 by
Compressive deformation after extruding is flexible deformation to compensate gap caused by face deformation by automatic rebounding, if combustion box
1 and rear housing 2 faying face at stress be greater than annular groove 3 in Flexible wire 4 tolerance range, then Flexible wire 4 by squeeze
Deformation after pressure is the plastic deformation that can not restore.Flexible wire 4 is 4mm-15mm longer than annular groove 3, it is ensured that Flexible wire 4 exists
Both ends still overlap after length shortens when automatic rebounding.Due to the tolerance range of different types of Flexible wire 4, automatic rebounding
Ability and fusing point are different, need to be according to stress condition, end face deformation extent during the work time and the work at faying face
The temperature of environment chooses different types of Flexible wire 4.Such as copper wire is softer than nickel wire, the maximum extrusion pressure that copper wire can be born is less than
The automatic rebounding amount of maximum extrusion pressure and copper wire that nickel wire can be born is lower than the automatic rebounding ability of nickel wire.
Determine the size of annular groove 3 and Flexible wire 4, comprising the following steps: determine the width of annular groove 3, annular
The width of groove 3 is 0.1 times -0.3 times of faying face width；Choose the Flexible wire 4 that radial dimension is less than 3 width of annular groove
And the width of annular groove 3 is the radial dimension of integral multiple of Flexible wire 4；Determine the depth of annular groove 3, annular groove 3
Depth is 4 radial dimension of 0.6 times -0.7 times of Flexible wire.It is laid with Flexible wire 4, comprising the following steps: paste Flexible wire 4
It rotating is paved in annular groove 3 together in the side wall surface hub disk of annular groove 3.
It is laid with before Flexible wire 4, the surface of annular groove 3 is handled, it is ensured that slot bottom is smooth, by soft metal
Silk 4 is straightened；When being laid with Flexible wire 4, it is laid with after one end of Flexible wire 4 is fixed in annular groove 3 along annular groove 3
In coating adhesive glue in annular groove 3 in annular groove 3 and after every one section of paving or in a manner of spot welding consolidated Flexible wire 4
Due to adhesive glue in annular groove 3 be metal adhesive glue.Optionally, adhesive glue is Loctite495 adhesive glue, KD-855 bonding
Glue and/or QN-505AB adhesive glue.A small amount of adhesive glue is dipped coated on annular groove by tools such as small-sized tweezers, fine needles
The fixation of 4 many places of Flexible wire is ensured that Flexible wire 4 is entirely layed in annular groove 3 in 3.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of high temperature position big end face seals, between the combustion box (1) and rear housing (2) of aero-engine
Faying face faying face in high-temperature work environment sealing, faying face radial dimension be 500mm~800mm, which is characterized in that
Including being circumferentially set on combustion box (1) end face and/or being used to form annular receiving cavity on housing (2) end face afterwards
Annular groove (3) and be layed in the annular groove (3) for using compressive deformation formed ring packing and using from
To compensate the Flexible wire (4) of the deformation of faying face fuel factor generation, the radial dimension of the Flexible wire (4) is big for the rebound of body
Depth in annular groove (3),
By the compressive deformation of Flexible wire (4) after combustion box (1) and rear housing (2) connection so that combustion box (1)
Faying face palette between rear housing (2).
2. high temperature position big end face seals according to claim 1, which is characterized in that
The length of the Flexible wire (4) is greater than the perimeter of the annular groove (3), the both ends overlap joint of the Flexible wire (4)
Annular is constituted, the lap of splice is 4mm~15mm.
3. high temperature position big end face seals according to claim 2, which is characterized in that
The radial dimension of the Flexible wire (4) is 0.5 times -0.7 times of the width of the annular groove (3).
4. a kind of high temperature position large end face encapsulating method, between the combustion box (1) and rear housing (2) of aero-engine
Sealing of the faying face in high-temperature work environment, faying face radial dimension is 500mm~800mm,
Characterized by comprising the following steps:
Circumferential direction on combustion box (1) end face and/or on rear housing (2) end face along faying face opens up annular groove (3)；
It is layed in annular groove (3) after one end of Flexible wire (4) is fixed in annular groove (3) along annular groove；
Combustion box (1) and rear housing (2) assembly are fixed by connector, Flexible wire (4) pressure in annular groove (3)
Contracting makes combustion box (1) and rear housing (2) faying face palette.
5. high temperature position large end face encapsulating method according to claim 4, which is characterized in that combustion box (1) and/
It is further comprising the steps of or before rear housing (2) endface opens up annular groove (3),
The ruler of annular groove (3) and Flexible wire (4) is determined according to the size of combustion box (1) and rear housing (2) faying face
It is very little.
6. high temperature position large end face encapsulating method according to claim 5, which is characterized in that determine annular groove (3) and
The size of Flexible wire (4), comprising the following steps:
Determine that the width of annular groove (3), the width of annular groove (3) are 0.1-0.3 times of faying face width；
Selection radial dimension is 0.5 times -0.7 times of the Flexible wire (4) of annular groove (3) width；
Determine the depth of annular groove (3), the depth of annular groove (3) is radial dimension of 0.6 times -0.7 of Flexible wire (4)
Times.
7. high temperature position large end face encapsulating method according to claim 6, which is characterized in that determine annular groove (3) and
The size of Flexible wire (4), further comprising the steps of:
Flexible wire (4) is 4mm-15mm longer than annular groove (3).
8. high temperature position large end face encapsulating method according to claim 5, which is characterized in that determine annular groove (3) and
The size of Flexible wire (4), comprising the following steps:
Determine that the width of annular groove (3), the width of annular groove (3) are 0.1 times -0.3 times of faying face width；
The width for choosing Flexible wire (4) and annular groove (3) that radial dimension is less than annular groove (3) width is Flexible wire
(4) radial dimension of integral multiple；
Determine the depth of annular groove (3), the depth of annular groove (3) is radial dimension of 0.5-0.7 times of Flexible wire (4).
9. high temperature position large end face encapsulating method according to claim 8, which is characterized in that be laid with Flexible wire (4), packet
Include following steps:
It is paved with side wall surface hub disk that Flexible wire (4) fits in annular groove (3) is rotating in annular groove (3).
10. high temperature position large end face encapsulating method as claimed in claim 4, which is characterized in that
It is laid with before Flexible wire (4), the surface of annular groove (3) is handled, it is ensured that slot bottom is smooth, by soft metal
Silk (4) is straightened；
When being laid with Flexible wire (4), along annular groove (3) after one end of Flexible wire (4) is fixed in annular groove (3)
Be layed in annular groove (3) and after every one section of paving in annular groove (3) coating adhesive glue or will be soft in a manner of spot welding
Wire is fixed in annular groove (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203259.0A CN109139910B (en) | 2018-10-16 | 2018-10-16 | High-temperature part large end face sealing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203259.0A CN109139910B (en) | 2018-10-16 | 2018-10-16 | High-temperature part large end face sealing device and method |
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| CN109139910B CN109139910B (en) | 2020-09-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879386A (en) * | 2021-02-25 | 2021-06-01 | 包头钢铁（集团）有限责任公司 | Method for blocking oil leakage on joint surface of oil cylinder |
| CN117147164A (en) * | 2023-11-01 | 2023-12-01 | 中国航发沈阳发动机研究所 | Hole detection device for double-layer casing of aero-engine |
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| CN1207164A (en) * | 1996-09-16 | 1999-02-03 | 卡明斯发动机公司 | Combustion gas seal for an internal combustion engine |
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| CN108591457A (en) * | 2018-03-27 | 2018-09-28 | 苏州宝骅密封科技股份有限公司 | A kind of high-temperature and high-presure resistent seal assembly |
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| CN1207164A (en) * | 1996-09-16 | 1999-02-03 | 卡明斯发动机公司 | Combustion gas seal for an internal combustion engine |
| CN1382230A (en) * | 1999-11-08 | 2002-11-27 | 德·诺拉电极股份公司 | Improved design of diaphragm electrolyser |
| JP2009222206A (en) * | 2008-03-19 | 2009-10-01 | Environment Technology Ventures Kk | Hermetic sealing method for metallic container or metallic pipe |
| CN203604639U (en) * | 2013-11-21 | 2014-05-21 | 中国南方航空工业(集团)有限公司 | Machine case sealing connecting structure of gas turbine |
| CN203784619U (en) * | 2014-03-31 | 2014-08-20 | 揭阳市美度实业有限公司 | Engine oil cooler connection structure |
| CN108458112A (en) * | 2018-03-27 | 2018-08-28 | 苏州宝骅密封科技股份有限公司 | High temperature high voltage resistant sealing ring |
| CN108591457A (en) * | 2018-03-27 | 2018-09-28 | 苏州宝骅密封科技股份有限公司 | A kind of high-temperature and high-presure resistent seal assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112879386A (en) * | 2021-02-25 | 2021-06-01 | 包头钢铁（集团）有限责任公司 | Method for blocking oil leakage on joint surface of oil cylinder |
| CN117147164A (en) * | 2023-11-01 | 2023-12-01 | 中国航发沈阳发动机研究所 | Hole detection device for double-layer casing of aero-engine |
| CN117147164B (en) * | 2023-11-01 | 2024-01-30 | 中国航发沈阳发动机研究所 | Hole detection device for double-layer casing of aero-engine |
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| CN109139910B (en) | 2020-09-01 |
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