CN109974941A - Engine leakproofness calibration system and calibration method - Google Patents
Engine leakproofness calibration system and calibration method Download PDFInfo
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- CN109974941A CN109974941A CN201711444869.5A CN201711444869A CN109974941A CN 109974941 A CN109974941 A CN 109974941A CN 201711444869 A CN201711444869 A CN 201711444869A CN 109974941 A CN109974941 A CN 109974941A
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- engine
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- calibration system
- leakproofness
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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
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of engine leakproofness calibration system and method, engine leakproofness calibration system includes: pedestal, and the first cavity and the second cavity with opening are provided on the pedestal；The first sealing cover of cooperation can be sealed with the opening of first cavity, be provided with the first interface being connected to for the oil duct with engine on the outside of first sealing cover, and the first interface can be connected to first inside cavity.The engine leakproofness calibration system and method can efficiently solve engine leak detection and need a large amount of manpower and material resources and used time longer problem.
Description
Technical field
The present invention relates to engine detection technique fields, more specifically to a kind of engine leakproofness calibration system
And calibration method.
Background technique
Engine is assembled together by hundreds of even more part combinations, and there is various differences between each other
Matching relationship, generally mostly use the modes such as sealing ring, gasket, oil sealing, water seal to be sealed, due to consider interchangeablity
And the manufacturing tolerance designed or part sole mass etc., there is oil leak, leak, gas leakage etc. after the assembly is completed in many engines
Situation.Therefore, after the completion of engine assembly or in assembling process, the detection of leakage rate need to be carried out, i.e. progress bench test process
In, but progress bench test will will lead to a large amount of human and material resources and the used time is longer.
Need a large amount of manpower and material resources and used time longer in conclusion how to efficiently solve engine leak detection
Problem is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of engine leakproofness calibration system and method, the engine
Leakproofness calibration system and method can efficiently solve engine leak detection need a large amount of manpower and material resources and used time compared with
Long problem.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of engine leakproofness calibration system, comprising:
Pedestal is provided with the first cavity and the second cavity with opening on the pedestal；
The first sealing cover of cooperation can be sealed with the opening of first cavity, be provided on the outside of first sealing cover
For the first interface that the oil duct with engine is connected to, and the first interface can be connected to first inside cavity.
Preferably, in above-mentioned engine leakproofness calibration system, first sealing cover and the pedestal are solid by bolt
It is fixed to connect and be provided with gasket between the two.
Preferably, in above-mentioned engine leakproofness calibration system, the quantity of the first interface be it is multiple, and described first
Interface can be connected by the oil duct junction of adapter flange and engine.
Preferably, in above-mentioned engine leakproofness calibration system, at least one in the first interface is plane opening.
It preferably, further include being set on the pedestal that there is opening in above-mentioned engine leakproofness calibration system
Second cavity and can with the opening of second cavity seal cooperation the second sealing cover, second sealing cover outside setting
There is second interface, and the second interface can be connected to second inside cavity.
Preferably, in above-mentioned engine leakproofness calibration system, second sealing cover and the pedestal are solid by bolt
It is fixed to connect and be provided with gasket between the two.
Preferably, in above-mentioned engine leakproofness calibration system, the quantity of the second interface be it is multiple, and described second
Interface can be connected by the watercourse port of adapter flange and engine.
A kind of calibration method using the engine leakproofness calibration system as described in above-mentioned, comprising steps of
The oil duct junction of engine and/or watercourse port are connected to the first interface；
By engine and the calibration system entirety submerged；
It has seen whether bubble generation, has illustrated that surveyed oil duct junction and/or watercourse port airtightness are qualified if bubble-free generates,
Leakage rate is measured if having bubble generation.
A kind of calibration method using the engine leakproofness calibration system as described in above-mentioned, comprising steps of
The oil duct junction of engine is connected to the first interface, the watercourse port of engine and the second interface are connected
It is logical；
By engine and the calibration system entirety submerged；
It has seen whether bubble generation, has illustrated that the airtightness of engine is qualified if bubble-free generates, if there is bubble generation
Then measure leakage rate.
Preferably, it in above-mentioned engine leakproofness calibration method, if further comprising the steps of: bubble generation, is repeated as many times
Detection, obtains the average value of repeated detection leakage rate.
When using engine leakproofness calibration system provided by the invention, by the oil duct junction of engine to be calibrated and/or
Watercourse port is connected to first interface, and reserves a small amount of oil duct junction and watercourse port for being connected to gas source or airtight leak detector.It will
After reserved oil duct junction and watercourse port is connected to gas source or airtight leak detector, engine and the calibration system are integrally sunk into water
In, it has then seen whether bubble generation, has shown that engine sealing effect reaches requirement if bubble-free, repeated to detect,
After detecting multi-group data, the average value of surveyed leakage rate is calculated, which is the leakage rate of engine.From the foregoing, it will be observed that making
When with the leakproofness of engine leakproofness calibration system provided by the present application detection engine, it is only necessary to which operator is by engine
Oil duct junction and/or watercourse port be connected to first interface, while by reserved oil duct junction and watercourse port and gas source or airtight leak detection
Instrument connection, it is simple and convenient, manpower and material resources are greatly saved, and it is higher to reduce used time more short-acting rate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the explosive view of engine leakproofness calibration system provided in an embodiment of the present invention；
Fig. 2 is the main view of engine leakproofness calibration system provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of engine leakproofness calibration system provided in an embodiment of the present invention.
In fig. 1-3:
1- pedestal, the first cavity of 1a-, the second cavity of 1b-, the first sealing cover of 2-, the second sealing cover of 3-, 4- bolt, 5- turn
Acting flange, 6- plane opening.
Specific embodiment
The purpose of the present invention is to provide a kind of engine leakproofness calibration system and method, engine leakproofness calibrations
System and method can efficiently solve engine leak detection and need a large amount of manpower and material resources and used time longer problem.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention is described, and shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Fig. 1-Fig. 3 is please referred to, engine leakproofness calibration system provided in an embodiment of the present invention includes that pedestal 1 and first is close
Capping 2.Wherein, the first cavity 1a is provided on pedestal 1, and the first cavity 1a has opening.First sealing cover 2 can be with
The opening of one cavity 1a seals cooperation and can be realized when i.e. the first sealing cover 2 lid is located in the opening of the first cavity 1a to first
The sealing of cavity 1a.What the outside of the first sealing cover 2 was provided with for being connected to the oil duct of engine and/or watercourse port first connects
Mouthful, and first interface can be connected to the first inside cavity 1a.That is the opening sealing of the first sealing cover 2 and the first cavity 1a is matched
After conjunction, it is connected to inside first interface and the first cavity 1a, first interface can also be connected to the oil duct junction of engine, to realize hair
It is connected to inside the oil duct of motivation and the first cavity 1a.
When using engine leakproofness calibration system provided in an embodiment of the present invention, the oil duct of engine can be detected simultaneously
With the airtightness of water channel, the oil duct of engine or the airtightness of water channel can also be individually detected.When the oil for detecting engine simultaneously
When the airtightness of road and water channel, then the oil duct junction of engine to be calibrated and watercourse port will be connected to first interface, and pre-
Stay a small amount of oil duct junction and watercourse port for be connected to gas source or airtight leak detector, by reserved oil duct junction and watercourse port and gas source or
After airtight leak detector connection, by engine and the calibration system entirety submerged, bubble generation is then seen whether, if nothing
Bubble then shows that engine sealing effect reaches requirement, repeats to detect, after detecting multi-group data, calculates and survey leakage
The average value of amount, the value are the leakage rate of engine.
When the individually airtightness of the oil duct of detection engine or water channel, individually by the oil duct junction of engine or watercourse port with
First interface connection, and a small amount of oil duct junction or watercourse port are reserved for being connected to gas source or airtight leak detector, by reserved oil
After road junction or watercourse port are connected to gas source or airtight leak detector, then engine and the calibration system entirety submerged are seen
Whether have bubble generation, show that engine sealing effect reaches requirement if bubble-free if examining, repeat to detect, detect multiple groups
After data, the average value of surveyed leakage rate is calculated, which is the oil duct of engine or the leakage rate of water channel.
From the foregoing, it will be observed that when detecting the leakproofness of engine using engine leakproofness calibration system provided by the present application, only
Need operator to be connected to the oil duct junction of engine and/or watercourse port with first interface, at the same by reserved oil duct junction and/or
Watercourse port is connected to gas source or airtight leak detector, simple and convenient, manpower and material resources is greatly saved, and reduce the used time
More short-acting rate is higher.
Wherein, airtight leak detector can pour the gas of setting pressure into water channel or oil duct at the appointed time, go forward side by side
Pressure maintaining in water channel or oil duct is exercised, airtight leak detector can be bought on the market.
The volume of first cavity 1a and the second cavity 1b can according to the quantity sets itself being connect with pipeline opening, connection
The more more then volumes of pipeline opening are bigger.
In one embodiment, the first sealing cover 2 is fixedly connected with pedestal 1 by bolt 4, and the first sealing cover 2
It is provided with gasket between pedestal 1, realizes that the sealing of the first sealing cover 2 and the first cavity 1a cooperate with this.
Since the oil duct and water channel quantity of engine interior are more, therefore the quantity of oil duct junction and watercourse port is more, therefore the
The quantity of one interface can be to be multiple, in order to be connected to multiple oil duct junctions or watercourse port.It should be noted that extra when having
Oil duct junction or watercourse port when cannot be connected to first interface, plug can be used and block upper part oil duct junction.For the ease of with
Oil duct junction or watercourse port connection, wherein first interface can be connect by adapter flange 5 with the oil duct junction of engine.
In above-mentioned multiple first interfaces can using at least one interface as plane opening 6, in order to different types of oil duct
Mouth connection.
Above-mentioned engine leakproofness calibration system further includes the second cavity 1b and the second sealing cover 3, the second cavity 1b setting
In on pedestal, also there is opening on the second cavity 1b, and mutually indepedent each other not to the first cavity 1a and the second cavity 1b
Connection.Second sealing cover 3 can be sealed with the opening of the second cavity 1b to be cooperated, i.e. the second sealing cover 3 lid is located at the second cavity 1b
Opening on when, can be realized the sealing to the second cavity 1b.The outside of second sealing cover 3 is provided with second interface, and
Two interfaces can be connected to the second inside cavity 1b.I.e. after the opening of the second sealing cover 3 and the second cavity 1b sealing cooperation, second
It is connected to inside interface and the second cavity 1b, second interface can also be connected to the watercourse port of engine, to realize the water of engine
It is connected to inside road and the second cavity 1b.
So set, the oil duct junction of engine can be connected to first interface when being detected, by the water channel of engine
Mouth is connected to second interface, i.e., the oil duct junction of engine is connected to the first inside cavity, the watercourse port of engine and the second cavity
Inside connection, to prevent gas leakage between water road junction and oil duct junction from can not detect.
Similarly, the second sealing cover 3 is fixedly connected with pedestal 1 by bolt 4, and between the second sealing cover 3 and pedestal 1
It is provided with gasket, realizes that the sealing of the second sealing cover 3 and the second cavity 1b cooperate with this.
Certainly, the first sealing cover 2 and the second sealing cover 3 can also be clamped with pedestal 1, be not limited thereto.
Similarly, the water channel quantity of engine interior is more, therefore the quantity of watercourse port is more, therefore the quantity of second interface
It can be to be multiple, in order to be connected to multiple watercourse ports.It should be noted that when there is extra watercourse port that cannot connect with second
When mouth connection, plug can be used and block top diversion channel mouth.For the ease of connecting with watercourse port, wherein second interface can lead to
It crosses adapter flange 5 to connect with the watercourse port of engine, be not limited thereto.
It can also can also be certainly hickey etc., herein not using at least one as plane opening 6 in multiple second interfaces
It limits.Part second interface can be obliquely installed, it is not limited here.
It can be flexible connection, the i.e. oil duct junction and first interface of engine between the oil duct junction and first interface of engine
Between pass through hose connect.It similarly, may be flexible connection, i.e. engine between the watercourse port and second interface of engine
Watercourse port and second interface between pass through hose connect.
Above-mentioned engine leakproofness calibration system can also include water-bath detection case, and water is filled in water-bath detection case, examine
Engine and calibration system are integrally sunk to when survey in the water of water-bath detection case, has then seen whether that bubble generates.When
So, engine and calibration system can also be sunk in existing water tank, is not limited thereto.
Further, water-bath detection case can be turnover box, and size can be 400*600cm, certain water-bath detection case
Or other containers such as water vat, it is not limited thereto.
In addition, a kind of engine leakproofness calibration method is additionally provided in the embodiment of the present invention, comprising steps of
S1, the oil duct junction of engine and/or watercourse port are connected to first interface；
Only the oil duct junction of engine can be connected to first interface, to carry out the airtightness inspection at engine oil road junction
It surveys；Only the watercourse port of engine can also be connected to first interface, to carry out the airtightness detection at engine water road junction；May be used also
The oil duct junction of engine and watercourse port to be connected to first interface, to carry out the airtightness at engine water road junction and oil duct junction
Detection.
S2, by engine and the calibration system entirety submerged；
Engine and the calibration system can integrally be sunk in water bath in the step.
S3, it has seen whether bubble generation, has illustrated that surveyed oil duct junction and/or watercourse port airtightness close if bubble-free generates
Lattice measure leakage rate if having bubble generation.
In the step, illustrate that surveyed oil duct junction and/or watercourse port airtightness are good if bubble-free generates, if there is bubble production
Raw then measure leakage rate, wherein leakage rate can be air pressure change value.
In another embodiment of the present invention, another engine leakproofness calibration method is additionally provided, comprising steps of
A, the oil duct junction of engine is connected to first interface, the watercourse port of engine is connected to second interface；
So set, the airtightness detection of engine water road junction and oil duct junction can be carried out simultaneously.
B, by engine and the calibration system entirety submerged；
Engine and the calibration system can integrally be sunk in water bath in the step.
C, it has seen whether bubble generation, has illustrated that the airtightness of engine is qualified if bubble-free generates, if there is bubble production
It is raw then measure leakage rate.
In the step, illustrate that surveyed oil duct junction and watercourse port airtightness are good if bubble-free generates, if there is bubble generation
Leakage rate is then measured, wherein leakage rate can be air pressure change value.
Further, it in above two engine leakproofness calibration method, if further comprising the steps of: bubble generation, weighs
Multiple repeated detection, obtains the average value of repeated detection leakage rate, can be using the average value of repeated detection leakage rate as engine
Leakage rate.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of engine leakproofness calibration system characterized by comprising
Pedestal (1) is provided with the first cavity (1a) with opening on the pedestal (1)；
Cooperation the first sealing cover (2), the outside of first sealing cover (2) can be sealed with the opening of first cavity (1a)
It is provided with first interface, and the first interface can be connected to the first cavity (1a) inside.
2. engine leakproofness calibration system according to claim 1, which is characterized in that first sealing cover (2) with
The pedestal (1) is fixedly connected by bolt (4) and is provided with gasket between the two.
3. engine leakproofness calibration system according to claim 1, which is characterized in that the quantity of the first interface is
It is multiple, and the first interface can be connect by adapter flange (5) with the oil duct junction of engine.
4. engine leakproofness calibration system according to claim 3, which is characterized in that at least one in the first interface
It is a to be open (6) for plane.
5. engine leakproofness calibration system according to claim 1, which is characterized in that further include being set to the pedestal
(1) having the second cavity (1b) being open and can seal with the opening of second cavity (1b) on cooperates the second sealing cover
(3), second interface is provided on the outside of second sealing cover (3), and the second interface can be with second cavity
Connection inside (1b).
6. engine leakproofness calibration system according to claim 5, which is characterized in that second sealing cover (3) with
The pedestal (1) is fixedly connected by bolt (4) and is provided with gasket between the two.
7. engine leakproofness calibration system according to claim 5, which is characterized in that the quantity of the second interface is
It is multiple, and the second interface can be connect by adapter flange (5) with the watercourse port of engine.
8. a kind of calibration method using the engine leakproofness calibration system as described in any one of claim 1-4, feature
It is, comprising steps of
The oil duct junction of engine and/or watercourse port are connected to the first interface；
By engine and the calibration system entirety submerged；
It has seen whether bubble generation, has illustrated that surveyed oil duct junction and/or watercourse port airtightness are qualified if bubble-free generates, if having
Leakage rate is then measured in bubble generation.
9. a kind of calibration method using the engine leakproofness calibration system as described in any one of claim 5-8, feature
It is, comprising steps of
The oil duct junction of engine is connected to the first interface, the watercourse port of engine is connected to the second interface；
By engine and the calibration system entirety submerged；
It has seen whether bubble generation, has illustrated that the airtightness of engine is qualified if bubble-free generates, if there is bubble generation to survey
Leakage rate out.
10. engine leakproofness calibration method according to claim 8 or claim 9, which is characterized in that if further comprising the steps of: gas
Bubble generates, then is repeated as many times and detects, obtain the average value of repeated detection leakage rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444869.5A CN109974941A (en) | 2017-12-27 | 2017-12-27 | Engine leakproofness calibration system and calibration method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444869.5A CN109974941A (en) | 2017-12-27 | 2017-12-27 | Engine leakproofness calibration system and calibration method |
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| CN109974941A true CN109974941A (en) | 2019-07-05 |
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| CN201711444869.5A Pending CN109974941A (en) | 2017-12-27 | 2017-12-27 | Engine leakproofness calibration system and calibration method |
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Application publication date: 20190705 |