CN108775990A - Casing component oil circuit package seal checker and detection method - Google Patents
Casing component oil circuit package seal checker and detection method Download PDFInfo
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- CN108775990A CN108775990A CN201810922513.6A CN201810922513A CN108775990A CN 108775990 A CN108775990 A CN 108775990A CN 201810922513 A CN201810922513 A CN 201810922513A CN 108775990 A CN108775990 A CN 108775990A
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- oil circuit
- casing component
- casing
- pedestal
- circuit package
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/085—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for pipe joints or seals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/088—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for welds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of casing component oil circuit package seal checker and detection method, which includes：Pedestal for carrying casing component；For sealing the sealed fitting for being assemblied in port, sealed fitting is internally provided with the through-hole for being connected to oil circuit and external air source；Cover board, is connected and fixed with pedestal by connecting rod and gland offers channel in corresponding to through-hole on sealed fitting, on cover board；Closeouts, for being inserted into tubing interface to block tubing interface；Locating piece, locating piece are set on the base according to the angular position of tubing interface, and locating piece includes the supporting block for being connected to tubing interface from the direction support opposite with closeouts direction of insertion.It is the configuration of the present invention is simple, easy to operate, it solves piping connection and envelope gas, also solves the accurate detection of weldquality, and safe and reliable；Can determine whether out whether gas leakage or Gas leak position, can detect weld seam really can bearing strength, avoid leaking during casing component operational, it is economical and practical.
Description
Technical field
The present invention relates to aero-engine vortex casing fields to be particularly related to a kind of casing component oil circuit sealing detection
Device and detection method.
Background technology
The weld seam associativity of four road binders pipes is detected with kerosene leakage preventing method after the soldering of conventional vortex casing component, is used
Although kerosene leakage preventing method detection method is simple, operation is easy, and can not judge leak location, and kerosene cannot detect
The intensity that weld seam can really be born, this is possible to so that turbine cartridge component is held on being installed to engine in operation
The phenomenon that by being leaked after High Voltage.
Therefore, there is an urgent need for a kind of new casing component oil circuit package seal checkers and method, to solve the above problems.
Invention content
The present invention provides a kind of casing component oil circuit package seal checker and detection methods, do not have to solve existing kerosene
There is leakage detection method that can not judge that leak location cannot detect the real energy bearing strength of weld seam and lead to casing component operational process
Middle the technical issues of leaking.
The technical solution adopted by the present invention is as follows：
According to an aspect of the present invention, a kind of casing component oil circuit package seal checker is provided, casing component includes interior
The oil circuit of casing and outer casing, casing component includes the port on the end face of interior casing and the outer wall positioned at outer casing
Tubing interface, casing component oil circuit package seal checker includes：Pedestal for carrying casing component；It is assembled for sealing
Sealed fitting in port, sealed fitting are internally provided with the through-hole for being connected to oil circuit and external air source；Cover board, with
Pedestal is connected and fixed by connecting rod and gland offers channel in corresponding to through-hole on sealed fitting, on cover board；Closeouts,
For being inserted into tubing interface to block tubing interface；Locating piece, locating piece are arranged according to the angular position of tubing interface in pedestal
On, locating piece includes the supporting block for being connected to tubing interface from the direction support opposite with closeouts direction of insertion.
Further, sealed fitting include the first sealing being assemblied in port, it is radially outer from the first sealing
Expand the stage portion extended and extend from stage portion and the second sealing in the channel that is assemblied on cover board, wherein second
The outer diameter of sealing is less than the outer diameter of stage portion, and cover board is suppressed in the upper surface of stage portion, and the lower surface of stage portion, which then seals, to be supported
It is connected to the upper surface of port.
Further, the periphery of the first sealing is provided with first groove, is equipped with for realizing port in first groove
The first sealing ring of radial seal between the first sealing；The lower surface of stage portion is provided with second groove, in second groove
It is equipped with the second sealing ring for axial seal port.
Further, it is connected with by thread seal in channel and is respectively communicated with sealed fitting and external air source for both ends
Quick coupling, quick coupling protrudes out the upper surface of cover board.
Further, closeouts include operating lever and are fixedly connected on operating lever one end and are used to be plugged in tubing interface
Interior plug；Locating piece further includes the jacking block opposite with supporting block, and the fixation for being used to support fixed operation bar is offered on jacking block
Hole.
Further, locating piece further includes the fixed part being fixed on pedestal, and jacking block and supporting block distinguish self-fixed department
Both ends upwardly extend；Fixed part is installed in the upper surface of pedestal, and fixed part bottom protrudes out and be opened in the guide rail on pedestal
The matched convex block of slot.
Further, one end of connecting rod is assemblied in the mounting hole in pedestal center, and the other end is pierced by cover board and is equipped with
Nut for locking onto cover board；It suppresses on the end face of interior casing middle section and sealed fitting the lower surface of cover board.
Further, casing component oil circuit package seal checker further includes the mounting blocks being fixedly connected on pedestal, installation
Perforative location hole is horizontally offered on block, and abutting is equipped in location hole to the outer wall of outer casing to realize casing
The bolt that component angularly positions.
According to another aspect of the present invention, a kind of casing component oil circuit hermetization testing method is additionally provided, using above-mentioned
Casing component oil circuit package seal checker carries out, and detection method includes：
Sealed fitting is installed at the port of oil circuit, and the casing component for being equipped with sealed fitting is clamped and fastened on
Between pedestal and cover board；
Closeouts are installed at the tubing interface of oil circuit；
Sealed fitting is connected into external air source and air gauge；
The entirety of casing component and casing oil circuit package seal checker after installing into the water, toward sealed fitting
Whether interior injecting compressed air, observing in water has gas permeation.
Further, casing component has a plurality of oil circuit, sealed fitting is connected external air source and the step of air gauge
Including：The corresponding multiple sealed fittings of a plurality of oil circuit are connected as being switched to external air source afterwards all the way using multiple-way valve.
The invention has the advantages that：
The casing component oil circuit package seal checker and detection method of the present invention, is blocked tubing interface using closeouts,
And connected using the port sealing of sealed fitting and oil circuit so that port enters as air inlet for external air source, is convenient for
Oil circuit is carried out to beat pump mode seal tightness test：It is whole then to occur into the water, after injection gas by observing underwater bubble
Position fast and easy judge the unqualified position of weld seam；And it is reversed from being inserted into closeouts using the supporting block of locating piece
Opposite direction is supported tubing interface so that in the seal process that closeouts are inserted into tubing interface, closeouts squeeze
While tubing interface, supporting block to tubing interface from closeouts be inserted into it is anti-in the opposite direction reversed active force, two
Person's strength direction equal in magnitude is on the contrary, so that being greatly diminished and protecting to the power of the weld seam of tubing interface in seal process
Sealing effect is demonstrate,proved, thus weld seam that protecting may be qualified or the weld seam for needing repair welding.The configuration of the present invention is simple, operation
It is convenient, it solves piping connection and envelope gas, also solves the accurate detection of weldquality, and safe and reliable.The present invention uses gas
Weld inspection after pressure mode is brazed, judge whether gas leakage or Gas leak position, detectable weld seam can really bear by force
Degree is avoided leaking during casing component operational, be worked well, economical and practical.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to accompanying drawings, the present invention is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the casing component oil circuit package seal checker of the preferred embodiment of the present invention；
Fig. 2 be in Fig. 1 structure from overlook visual angle schematic diagram；
Fig. 3 is the portions the D enlarged drawing in Fig. 1；
Fig. 4 is in Fig. 1 along the sectional view in the directions A-A；
Fig. 5 is the vertical view of locating piece；
Fig. 6 is in Fig. 2 along the sectional view in the directions B-B；
Fig. 7 is the plugging structure schematic diagram on oil leak road in Fig. 1；
Fig. 8 is in Fig. 2 along the sectional view in the directions C-C.
Drawing reference numeral explanation：
1, casing component；10, interior casing；11, outer casing；12, port；13, tubing interface；14, stomata；15, port；
16, interface；
2, pedestal；20, lightening hole；21, main part；22, retaining wall；23, extension；230, guide-track groove；
3, sealed fitting；30, through-hole；31, the first sealing；32, stage portion；33, the second sealing；34, first is close
Seal；35, the second sealing ring；
4, cover board；40, connecting rod；41, nut；42, base portion；43, protrusion；
5, closeouts；50, operating lever；51, plug；52, plug；520, stop section；521, insertion section；53, third seals
Circle；54, the 4th sealing ring；
6, locating piece；60, supporting block；601, supporting surface；61, jacking block；610, mounting hole；62, fixed part；620, convex block；
63, footstock；630, mounting hole；
7, quick coupling；
8, mounting blocks；81, bolt；810, groove；
9, U-shaped folder block；90, lower fixed part；91, upper fixed part；92, interconnecting piece；93, hexagonal housing screw；94, rubber
Plug.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The present invention provides a kind of casing component oil circuit package seal checkers, for the small-sized aeroplane engine after Welding
The vortex casing weld assembly of machine, to detect the quality of the oil circuit weld seam after vacuum welding.
Referring to Figures 1 and 2, the casing component 1 after Welding includes interior casing 10 and outer casing 11, has four in total
Oil circuit：Oil passage E, preceding oil return line F, rear oil return line G and oil leak road H.Wherein, it oil passage E, preceding oil return line F and rear returns
Oil circuit G structures are substantially similar, this three oil circuits respectively include port 12 on the end face positioned at interior casing 10, are located at outer casing
The tubing interface 13 of 11 outer wall and the internal duct (not illustrated) of both connections.The end face of outer casing 11 corresponds to above-mentioned three
The tubing interface 13 of oil circuit is opened up there are three stomata, and each stomata is staggered in the vertical direction with corresponding tubing interface 13.
The tubing interface 13 of the outer wall of outer casing 11 has certain angle in bending, for welding oil pipe when lower road welding sequence
Oil pipe interface 13 and corresponding stomata in succession.And oil leak road H includes then positioned at the port 15 of 10 madial wall of interior casing, is located at
The interface 16 of 11 outer wall of outer casing and the internal duct of both connections.
Referring to figs. 1 to Fig. 4, the casing component oil circuit package seal checker of the preferred embodiment of the present invention, including：For carrying
The pedestal 2 of casing component 1；For sealing the sealed fitting 3 for being assemblied in port 12, sealed fitting 3, which is internally provided with, to be used for
It is connected to the through-hole 30 of oil circuit and external air source (not shown)；Cover board 4, with pedestal 2 by connecting rod 40 be connected and fixed and gland in
On sealed fitting 3, through-hole 30 is corresponded on cover board 4 and offers channel；Closeouts 5, for being inserted into tubing interface 13 to block oil
Interface tube 13；Locating piece 6, locating piece 6 are arranged according to the angular position of tubing interface 13 on pedestal 2, and locating piece 6 includes using
In the supporting block 60 for being connected to tubing interface 13 from the direction support opposite with 5 direction of insertion of closeouts.The casing group of the present invention
Part oil circuit package seal checker is blocked tubing interface 13 using closeouts 5, and using the port of sealed fitting 3 and oil circuit
12 are tightly connected so that port 12 can connect external air source as air inlet and enter for compressed air, convenient for beating oil circuit
Pump mode seal tightness test：The whole position that can then occur into the water, after injection gas by observation underwater bubble facilitates fast
Speed judges the unqualified position of weld seam；And reversed opposite side is inserted into from closeouts 5 using the supporting block of locating piece 6 60
It is supported to tubing interface 13 so that in the seal process that closeouts 5 are inserted into tubing interface 13, closeouts 5 squeeze oil
While interface tube 13, supporting block 60 from closeouts 5 be inserted into it is anti-in the opposite direction to tubing interface 13 reversed effect
Power, the two strength direction equal in magnitude on the contrary, so that drop the power of the weld seam of tubing interface 13 in seal process significantly
It is low and ensure sealing effect, thus weld seam that protecting may be qualified or the weld seam for needing repair welding.The detection dress of the present invention
It sets simple in structure, easy to operate, solves piping connection and envelope gas, also solve the accurate detection of weldquality, and safety can
It leans on.The present invention detection device for be brazed after weld inspection, judge whether gas leakage or Gas leak position, work well, pass through
Ji is practical.
Referring to Figures 1 and 2, pedestal 2 is substantially in and casing component 1 as the major part for carrying entire casing component 1
Corresponding circle.In view of pedestal 2, volume itself is larger, and pedestal 2 of the invention uses lighter duralumin material, and intermediate
Region, which devises, rejects excess stock with multiple lightening holes 20 of loss of weight.
Pedestal 2 includes the main part 21 for 1 bottom of support casing component, and the center of main part 21 is offered for installing
The mounting hole of connecting rod 40, the center realization that casing component 1 is installed in by connecting rod 40 position the center of circle of casing component 1.
The edge of main part 21, which protrudes upward, is formed with retaining wall 22, outer wall bottom part of the retaining wall 22 for casing outside block 11, with right
Casing component 1 carries out circumferential positioning.Then horizontal extension has extension 23, the bottom of extension 23 to be higher than for the periphery of retaining wall 22
Main part 21.For installing fixed other auxiliary elements, such as mounting blocks 8 and locating piece 6 on extension 23.Wherein, mounting blocks
8 are fixedly connected on by screw at one on extension 23, offer perforative location hole on mounting blocks 8 in the horizontal direction, fixed
Bolt 81 is assembled in position in hole, and the end of bolt 81 is abutted to the outer wall of outer casing 11, angularly fixed to be carried out to casing component 1
Position.For convenience of the insertion depth of adjustment bolt 81, fluted 810 are opened up in the side wall of bolt 81,8 top of mounting blocks then corresponds to
It opens up screw hole and is packed into screw, by tightening the groove 810 that screw is fed them on bolt 81 come to the bolt 81 being inserted in place
It is fixed, it is simple in structure, it is easy to adjust, and connect reliable.The position that the upper surface of extension 23 also corresponds to locating piece 6 is set
It is equipped with guide-track groove 230, slides and is packed into for locating piece 6.In this preferred embodiment, for oil passage E, preceding oil return line F and rear oil return
The tubing interface of road G three has been correspondingly arranged guide-track groove 230 respectively.
In the preferred embodiment of the present invention, connecting rod 40 uses screw rod, head to be fixed on the mounting hole in 2 center of pedestal
Interior, the body of rod is upward through 1 center of casing component from head, and end, which protrudes upward, to be pierced by cover board 4 and be equipped with for locking onto lid
The nut 41 of plate 4.Gripping to casing component 1 can be realized using simple structure in the present invention, and connection is reliable, is conducive to
The progress of follow-up sealing detection experiment.
Cover board 4 includes circular base portion 42 and from the protrusion that base portion 42 protrudes outward 43.Wherein, base portion 42 and interior casing 10
The end face of middle section matches, and realizes and positions to 42 periphery of base portion by the bulge loop of 10 middle section of interior casing, to cover
Plate 4 is tentatively fixed on 1 top of casing component.Trepanning there are three being opened up on base portion 42, to reduce weight.And protrusion 43 then with oil
12 position of port on road is corresponding, and the bottom surface of protrusion 43 is higher than the bottom surface of base portion 42, formed between the two it is step-like, in order to
Positioning of the bulge loop to 42 periphery of base portion.In this preferred embodiment, due to the port 12 of oil passage E and rear oil return line G be separated by compared with
Closely, the port 12 of preceding oil return line F is then individually located at the other side, thus protrusion 43 there are two projections is corresponded on base portion 42, wherein one
A protrusion 43 corresponds to the port 12 of oil passage E and rear oil return line G, the port 12 of oil return line F before another protrusion 43 then corresponds to.
The center of base portion 42 offers the perforation passed through for screw rod end.Under 41 locking of nut effect, the lower surface of base portion 42 is suppressed
In the end face of 10 middle section of interior casing, casing component 1 is clamped between cover board 4 and pedestal 2；And protrusion 43 is then suppressed
In on corresponding sealed fitting 3, to reinforce the sealing function of sealed fitting 3, ensure the good progress of sealing detection.
Since interior casing 10 end face three port 12 is smooth surface hole and site error is larger, so at the end of end face pair three
The positioning and sealing of mouth 12 are relatively difficult.The present invention at three ports 12 of 10 end face of interior casing using sealed fitting 3 into
The connection of row end face and radial seal, three sealed fittings 3 and oil circuit carries out compression positioning with positioning with cover board 4.
In conjunction with Fig. 3, sealed fitting 3 of the invention is used for the port 12 of 10 end face of connecting cover plate 4 and interior casing, substantially
It is made of cylinder plus hexagon head structure, inside is through-hole 30.Sealed fitting 3 includes the first sealing being assemblied in port 12
Portion 31, the stage portion 32 that extension is radially extended out from the first sealing 31 and from stage portion 32 extend and be assemblied in cover board 4
On channel in the second sealing 33.Through-hole 30 runs through the first sealing 31, stage portion 32 and the second sealing 33.Second
The outer diameter of sealing 33 is less than the outer diameter of stage portion 32, and the protrusion 43 of cover board 4 is suppressed in the upper surface of stage portion 32, stage portion
32 lower surface is then sealed against in the upper surface of port 12.It is made to the press power of sealed fitting 3 when being locked by cover board 4
Good connection is positioned at the port 12 of oil circuit, while strengthening sealing effect.
Further, in this preferred embodiment, the periphery of the first sealing 31 is provided with first groove, and first groove is built-in
Equipped with the first sealing ring 34 for realizing radial seal between port 12 and the first sealing 31.The lower surface of stage portion 32
It is provided with second groove, the second sealing ring 35 for axial seal port 12 is equipped in second groove.Pass through such structure
Realization is carried out at the same time sealing to the radial direction and end face (axial direction) of 12 connecting portion of oil circuit port, ensure that peace when sealing detection
Full reliability.
The present invention is more convenient to make detection device use, it is preferable to use the quick coupling 7 of portable connects oil circuit end
Mouth 12 and compressed air hose.Specifically, the vias inner walls of cover board 4 are provided with screw thread, and quick coupling 7 is threadedly coupled and seals
In in channel.The both ends of quick coupling 7 are respectively communicated with sealed fitting 3 and external air source.The upper end of quick coupling 7 is convex
The upper surface for stretching out cover board 4, for being connect with external air source such as compressed air hose.It is inside the quick coupling 7 of the present invention
By cone shaped elastic steel ring and portable pillar consent nested groups at there is hexagonal structure in outside convenient for tightening, and the pipe screw thread outside lower end is straight
It connects and can be threadedly coupled and seal with 4 upper tube of cover board.For reinforce seal, be additionally provided with below six side's screwing structures sealing ring with
The channel sealing cooperation of cover board 4.This quick coupling 7 is easy to use, can export compressed air hose and be inserted directly into quick pipe connecting
Gas can be passed through 1 internal oil passages pipeline of casing component by first 7 air tightly.Oil circuit port is connected using quick coupling 7
12 and compressed air hose, be conducive to arbitrarily dismantle installation.
After being welded by vacuum brazing due to casing component 1, the quality of weld seam is unknown and Welding at that bears
Power should not be too large, and detection device of the invention determines rate using power newton third, and U-shaped positioning is devised at tubing interface 13
Part 6.
With reference to Fig. 4, Fig. 6, closeouts 5 of the invention include operating lever 50, and 50 one end of operating lever, which is fixedly connected, to be useful for sealing
It blocks up in the plug 51 in tubing interface 13.Preferably, operating lever 50 uses screw, plug 51 then to use made of rubber material
Pyramidal structure, plug 51 are fixedly connected on one end of screw.By tightening screw, plug 51 may make to be inserted into tubing interface 13,
Tubing interface 13 is blocked.
With reference to Fig. 4 and Fig. 5, by taking locating piece 6 used in oil passage E as an example, locating piece 6 includes for being fixed to pedestal 2
On fixed part 62, the both ends of self-fixed department 62 have upwardly extended supporting block 60 and jacking block 61.Supporting block 60 and jacking block 61 are opposite
It is arranged, there is gap, to form U-shaped structure between the two.Fixed part 62 is installed in the upper surface of extension 23.Preferably, Gu
Determine the upper surface that portion 62 is installed on extension 23 by screw, and 62 bottom of fixed part protrudes out and the guide-track groove on pedestal 2
230 matched convex blocks 620.The locating piece 6 of the present invention is in such a way that level is slidably installed, by convex block 620 along guide-track groove
230 levels slip into corresponding position and are supported to tubing interface 13, and position alignment is more accurate, and facilitate installation.
Jacking block 61 is located relatively at the front of tubing interface 13, offers the mounting hole for being used to support fixed operation bar 50 thereon
610.In this preferred embodiment, the inner wall of mounting hole 610 is threaded and the screw-thread fit outside screw.By the way that screw is consolidated
It is scheduled on jacking block 61, only need to plug 51 can be packed into tubing interface 13 by screw-driving realizes closure, is only needed after the completion of experiment
Screw, which is unscrewed, makes closeouts 5 exit tubing interface 13, easy for operation.In the present embodiment, due to tubing interface 13
End in skewed upwards, thus the top of jacking block 61 is inclined to set, and the mounting hole 610 on jacking block 61 connects higher than oil pipe
Mouthful 13 ends, are fixed on jacking block 61 to be conveniently operated bar 50 and accordingly tilt, when ensureing to tighten the direction of insertion of closeouts 5 and
Tubing interface 13 matches.
Supporting block 60 is then located relatively at the back side of tubing interface 13, has mutual with 13 back circular arc wall surface of tubing interface
The curved support face 601 of cooperation.While user tightens screw, and plug 51 is made to squeeze tubing interface 13, tubing interface
13 back is also supported face 601 and has acted on power, this makes the basic inability of the weld seam in seal process to tubing interface 13
Effect and ensure sealing effect, so protect may be qualified weld seam or need the weld seam of repair welding.
For rear oil return line G and preceding oil return line F, locating piece used in the locating piece 6 and oil passage E selected by this two oil circuits
6 structures are essentially identical.The difference is that as shown in Figure 6, since this two oil circuits are located at the oil pipe of 11 outer wall of outer casing
The end of interface 13 is in level, thus the jacking block 61 of locating piece 6 is in the parallel structure protruded upward with supporting block 60, and pushes up
The mounting hole 610 opened up on block 61 is with 13 end of tubing interface generally within sustained height so that when tightening screw, plug 51
Horizontal direction enters tubing interface 13, reliable to ensure to block.
With reference to Fig. 7, in of the invention, oil leak road H structure is slightly different with other three oil circuits, the sealing structure used
It is slightly different：The interior side port 15 of oil leak road H is directly sealed using the plug 52 for being fixedly connected on operating lever 50 (i.e. screw) end
Stifled, the interface 16 on the outside of the H of oil leak road is then directly loadable into quick coupling to be connect with external air source.Plug 52 is generally T-shaped,
It includes stop section 520 and insertion section 521.Insertion section 521 is inserted into oil circuit port 15, and then block is sealed in end for stop section 520
The end face of mouth 15.To reinforce sealing, the preferred embodiment of the present invention is provided with groove in the periphery of insertion section 521, and in groove
The interior third sealing ring 53 being provided with for 15 inner wall of radial seal port.Optionally, at the end of stop section 520 and port 15
The 4th sealing ring 54 for end face seal is provided between face.Accordingly, it is correspondingly arranged on pedestal 2 and is used to support screw
Footstock 63, offer on footstock 63 for screw by mounting hole 630.The bottom of footstock 63 is fixed by trip bolt pacifies
Mounted in the upper surface of main part 21.
With reference to Fig. 8, casing component oil circuit package seal checker of the invention further includes being located in 11 end face stomata of outer casing
U-shaped folder block 9 at 14 positions, for being welded to connect positioning compression outer wall pipe after oil pipe between tubing interface 13 and stomata 14
Road is in order to sealing detection.U-shaped folder block 9 includes opposite lower fixed part 90 and upper fixed part 91, and lower fixed part 90 is fixed on outer
On the oil pipe of 11 outer wall of casing, upper fixed part 91 is then located above 11 end face of outer casing, upper fixed part 91 and lower fixed part 90 it
Between connected by interconnecting piece 92.Hole is offered on upper fixed part 91, for installing hexagonal housing screw 93.11 end face of outer casing
Stomata 14 blocked by filling in rubber plug 94, and the hexagonal housing screw 93 by being installed on upper fixed part 91 is right
Rubber plug 94 is compressed, to ensure sealing effect.
The casing component oil circuit package seal checker of the present invention, further includes the air gauge for being fixedly mounted on 4 upper surface of cover board,
And the external air source for being connect with quick coupling 7.Optionally, detection device of the invention further includes that multiple-way valve (is not schemed
Show), for the sealed fitting 3 of a plurality of oil circuit to be connected as an access, it can be achieved that being examined simultaneously to the sealing of a plurality of oil circuit
It surveys.Specifically, four-way valve can be used to be connected as three quick couplings 7 all the way, two-way one can be connected as using triple valve
Road.
The casing component oil circuit package seal checker of the present invention, tubing interface is supported in using the supporting block 60 of locating piece 6
13 back side so that the power that closeouts 5 are applied on 13 weld seam of tubing interface when sealing is lowered；With simple in structure and operation
Convenient quick coupling 7, can detect a plurality of oil circuit together can also individually detect the weldquality of an oil circuit, solve
Piping connection and envelope gas, also solve the accurate detection of weldquality.The present invention judges for weld inspection after being brazed
Whether gas leakage or Gas leak position, work well, it is economical and practical.
According to another aspect of the present invention, a kind of casing component oil circuit hermetization testing method is additionally provided, using above-mentioned
Casing component oil circuit package seal checker carries out, and detection method includes：
S100 installs sealed fitting 3, and the casing component 1 that will be equipped with sealed fitting 3 at the port of oil circuit 12
It is clamped and fastened between pedestal 2 and cover board 4；
S200 installs closeouts 5 at the tubing interface 13 of oil circuit；
Sealed fitting 3 is connected external air source and air gauge by S300；
S400, the entirety of casing component 1 and casing oil circuit package seal checker after installing are into the water, past to seal
Whether injecting compressed air in pipe fitting 3, observing in water has gas permeation.
The present invention can individually be detected an oil circuit, and specifically, step S100 includes the following steps：
Connecting rod 40 is packed into the central mounting hole of pedestal 2 and fixed by S101 upwards；
The casing component 1 being welded correspondence is seated on the main part 21 of pedestal 2 so that in casing component 1 by S102
The heart pass through connecting rod 40, outer casing 11 outer wall bottom by 22 block of retaining wall, and the angular position for adjusting casing component 1 makes
13 position of each tubing interface corresponds to 230 position of guide-track groove on extension 23；
The channel position of cover board 4 after being packed into sealed fitting 3 at port 12, is directed at the logical of sealed fitting 3 by S103
Hole 30 corresponds to compacting and is fixed on 10 upper end of interior casing, and quick coupling 7 is installed in portion on a passage；
S104 slides into 6 bottom projections 620 of locating piece at tubing interface 13 along 230 level of guide-track groove so that supporting block
60 correspond to the back side for being supported in tubing interface 13, jacking block 61 then 13 end of face tubing interface, and fixed part 62 is used screw
It is fixed to pedestal 2；
S105 locks cover board 4 with nut 41, and bolt 81 is packed into mounting blocks 8 to fix the angular position of casing component 1
It sets.
Further, the step S200 that closeouts 5 are installed at the tubing interface of oil circuit 13 includes the following steps：
Operating lever 50 is mounting hole 610 of the screw on jacking block 61, and assemble fixed plug in tip of screw by S201
51；
S202 tightens screw so that plug 51 is inserted into tubing interface 13 and is blocked.
Optionally, casing component 1 has a plurality of oil circuit, sealed fitting 3 is connected external air source and the step of air gauge
Including：The corresponding multiple sealed fittings 3 of a plurality of oil circuit are connected as being switched to external air source afterwards all the way using multiple-way valve.This
Invention can also be carried out at the same time detection to four oil circuits, specifically, can be by oil passage E, rear oil return line G, preceding oil return line F tri-
The 12 corresponding quick coupling 7 of port of person is connected as all the way by four-way valve, then by this all the way with oil leak road H external interfaces
The quick coupling 7 at place is connected as all the way by triple valve, then connects air gauge and compressed air.In this way, only need to be from one
Air inlet inputs compressed air, you can realization is carried out at the same time detection to four oil circuits, convenient and efficient.
It optionally, will be integrally into the water and after injecting compressed air, it is desirable that air pressure gauge pressure values are shown in S400 steps
It is maintained at 0.5MPa~0.6MPa, is kept for 5 minutes.The present invention is detected using being sealed property of pump mode is beaten, and according to predetermined gas
Pressure value is detected experiment, weld seam really energy bearing strength is able to detect that, to prevent to go out in 1 operation of casing component
The problem of now leaking.
The position that is occurred according to underwater bubble of detection method of the present invention can fast and easy judge that weld seam is underproof
Position, easy to operate, detection is reliable.
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, any made by
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of casing component oil circuit package seal checker, casing component (1) includes interior casing (10) and outer casing (11), casing
The oil circuit of component (1) includes the port (12) on the end face of interior casing (10) and the outer wall positioned at outer casing (11)
Tubing interface (13), which is characterized in that the casing component oil circuit package seal checker includes：
Pedestal (2) for carrying casing component (1)；
For sealing the sealed fitting (3) for being assemblied in the port (12), the sealed fitting (3), which is internally provided with, to be used for
It is connected to the through-hole (30) of oil circuit and external air source；
Cover board (4) is connected and fixed by connecting rod (40) with the pedestal (2) and gland is on the sealed fitting (3), institute
It states and corresponds to the through-hole (30) on cover board (4) and offer channel；
Closeouts (5), for being inserted into tubing interface (13) to block tubing interface (13)；
Locating piece (6), the locating piece (6) are arranged according to the angular position of tubing interface (13) on pedestal (2), the positioning
Part (6) includes the support for being connected to tubing interface (13) from the direction support opposite with the closeouts (5) direction of insertion
Block (60).
2. casing component oil circuit package seal checker according to claim 1, which is characterized in that
The sealed fitting (3) includes the first sealing (31) being assemblied in the port (12), is sealed from described first
Portion (31) radially extends out the stage portion (32) of extension and extends from the stage portion (32) and be assemblied in the cover board (4)
On channel in the second sealing (33), wherein the outer diameter of second sealing (33) is less than the stage portion (32)
Outer diameter, in the upper surface of the stage portion (32), the lower surface of the stage portion (32) then seals against for cover board (4) compacting
Upper surface in the port (12).
3. casing component oil circuit package seal checker according to claim 2, which is characterized in that
The periphery of first sealing (31) is provided with first groove, is equipped with for realizing port in the first groove
(12) between the first sealing (31) radial seal the first sealing ring (34)；
The lower surface of the stage portion (32) is provided with second groove, is equipped with for described in axial seal in the second groove
The second sealing ring (35) of port (12).
4. casing component oil circuit package seal checker according to claim 1, which is characterized in that
Both ends are connected with by thread seal in the channel and are respectively used to be connected to the sealed fitting (3) and external air source
Quick coupling (7), the quick coupling (7) protrude out the upper surface of the cover board (4).
5. casing component oil circuit package seal checker according to claim 1, which is characterized in that
The closeouts (5) include operating lever (50) and are fixedly connected on the operating lever (50) one end and are used to be plugged in oil
Plug (51) in interface tube (13)；
The locating piece (6) further includes the jacking block (61) opposite with the supporting block (60), is opened up on the jacking block (61) useful
In the mounting hole (610) of the fixed operating lever (50) of support.
6. casing component oil circuit package seal checker according to claim 5, which is characterized in that
The locating piece (6) further includes the fixed part (62) being fixed on the pedestal (2), the jacking block (61) and the support
Block (60) is upwardly extended from the both ends of the fixed part (62) respectively；
The fixed part (62) is installed in the upper surface of the pedestal (2), and the fixed part (62) bottom has protruded out and opened up
In guide-track groove (230) matched convex block (620) on the pedestal (2).
7. casing component oil circuit package seal checker according to claim 1, which is characterized in that
One end of the connecting rod (40) is assemblied in the mounting hole in the pedestal (2) center, and the other end is pierced by the cover board (4)
And it is equipped with the nut (41) for locking onto the cover board (4)；
It suppresses in the end face of interior casing (10) middle section and the sealed fitting lower surface of the cover board (4)
(3) on.
8. casing component oil circuit package seal checker according to claim 1, which is characterized in that
The casing component oil circuit package seal checker further includes the mounting blocks (8) being fixedly connected on the pedestal (2), described
Perforative location hole is horizontally offered on mounting blocks (8), and abutting is equipped in the location hole to the outer casing (11)
Outer wall on to realize bolt (81) that casing component (1) angularly positions.
9. a kind of casing component oil circuit hermetization testing method, which is characterized in that using as described in any one of claim 1 to 8
Casing component oil circuit package seal checker carry out, the detection method includes：
Sealed fitting (3) is installed at the port (12) of oil circuit, and the casing component (1) of sealed fitting (3) will be equipped with
It is clamped and fastened between pedestal (2) and cover board (4)；
Closeouts (5) are installed at the tubing interface (13) of oil circuit；
Sealed fitting (3) is connected into external air source and air gauge；
The entirety of casing component (1) and casing oil circuit package seal checker after installing into the water, toward sealed fitting
(3) whether interior injecting compressed air, observing in water has gas permeation.
10. casing component oil circuit hermetization testing method according to claim 9, which is characterized in that casing component (1) has
Sealed fitting (3) is connected external air source and the step of air gauge includes by a plurality of oil circuit：
The corresponding multiple sealed fittings (3) of a plurality of oil circuit are connected as being switched to external air source afterwards all the way using multiple-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810922513.6A CN108775990B (en) | 2018-08-14 | 2018-08-14 | Oil way sealing detection device and detection method for casing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810922513.6A CN108775990B (en) | 2018-08-14 | 2018-08-14 | Oil way sealing detection device and detection method for casing assembly |
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| Publication Number | Publication Date |
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| CN108775990A true CN108775990A (en) | 2018-11-09 |
| CN108775990B CN108775990B (en) | 2020-05-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806289A (en) * | 2019-11-28 | 2020-02-18 | 河南航天液压气动技术有限公司 | Test tool for multi-plunger type pipeline assembly |
| CN112345170A (en) * | 2020-10-22 | 2021-02-09 | 中国航发贵州黎阳航空动力有限公司 | Aeroengine supporting casing airtightness detection clamp and detection method |
| CN112371776A (en) * | 2020-10-22 | 2021-02-19 | 中国航发贵州黎阳航空动力有限公司 | Vacuum thermal sizing die and method for engine support case |
| CN113310634A (en) * | 2021-05-20 | 2021-08-27 | 青岛中科国晟动力科技有限公司 | Method and assembly for detecting airtightness of casing of gas turbine |
| CN114112229A (en) * | 2020-08-31 | 2022-03-01 | 中国航发商用航空发动机有限责任公司 | Tightness detection device of gas turbine engine casing |
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289422Y (en) * | 2008-09-18 | 2009-08-12 | 广西玉柴机器股份有限公司 | Fixture for detecting air tightness of oil feed hole of diesel engine cylinder cover |
| CN102928178A (en) * | 2012-10-31 | 2013-02-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Differential-pressure sealing test device and test method thereof |
| CN104236804A (en) * | 2014-09-22 | 2014-12-24 | 西安航空动力股份有限公司 | Pressure test tool with function of axial deformation compensation |
| CN204328271U (en) * | 2014-11-19 | 2015-05-13 | 殷平芝 | A kind of vacuum leak hunting joint |
| CN204389107U (en) * | 2014-08-17 | 2015-06-10 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of gas turbine casing suppresses leakage test blanking cover |
| CN105445026A (en) * | 2015-11-23 | 2016-03-30 | 成都发动机（集团）有限公司 | Device used for hydraulic test of aero-engine combustion chamber case diffuser |
| CN105486508A (en) * | 2015-11-23 | 2016-04-13 | 成都发动机（集团）有限公司 | Hydraulic test device for detachable housing of combustion chamber case of aeroengine |
| CN206038251U (en) * | 2016-08-25 | 2017-03-22 | 河南飞龙(芜湖)汽车零部件有限公司 | A leak test anchor clamps for exhaust manifold |
-
2018
- 2018-08-14 CN CN201810922513.6A patent/CN108775990B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289422Y (en) * | 2008-09-18 | 2009-08-12 | 广西玉柴机器股份有限公司 | Fixture for detecting air tightness of oil feed hole of diesel engine cylinder cover |
| CN102928178A (en) * | 2012-10-31 | 2013-02-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Differential-pressure sealing test device and test method thereof |
| CN204389107U (en) * | 2014-08-17 | 2015-06-10 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of gas turbine casing suppresses leakage test blanking cover |
| CN104236804A (en) * | 2014-09-22 | 2014-12-24 | 西安航空动力股份有限公司 | Pressure test tool with function of axial deformation compensation |
| CN204328271U (en) * | 2014-11-19 | 2015-05-13 | 殷平芝 | A kind of vacuum leak hunting joint |
| CN105445026A (en) * | 2015-11-23 | 2016-03-30 | 成都发动机（集团）有限公司 | Device used for hydraulic test of aero-engine combustion chamber case diffuser |
| CN105486508A (en) * | 2015-11-23 | 2016-04-13 | 成都发动机（集团）有限公司 | Hydraulic test device for detachable housing of combustion chamber case of aeroengine |
| CN206038251U (en) * | 2016-08-25 | 2017-03-22 | 河南飞龙(芜湖)汽车零部件有限公司 | A leak test anchor clamps for exhaust manifold |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806289A (en) * | 2019-11-28 | 2020-02-18 | 河南航天液压气动技术有限公司 | Test tool for multi-plunger type pipeline assembly |
| CN110806289B (en) * | 2019-11-28 | 2021-04-30 | 河南航天液压气动技术有限公司 | Test tool for multi-plunger type pipeline assembly |
| CN114112229A (en) * | 2020-08-31 | 2022-03-01 | 中国航发商用航空发动机有限责任公司 | Tightness detection device of gas turbine engine casing |
| CN112345170A (en) * | 2020-10-22 | 2021-02-09 | 中国航发贵州黎阳航空动力有限公司 | Aeroengine supporting casing airtightness detection clamp and detection method |
| CN112371776A (en) * | 2020-10-22 | 2021-02-19 | 中国航发贵州黎阳航空动力有限公司 | Vacuum thermal sizing die and method for engine support case |
| CN113310634A (en) * | 2021-05-20 | 2021-08-27 | 青岛中科国晟动力科技有限公司 | Method and assembly for detecting airtightness of casing of gas turbine |
| 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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