CN106979845A - A kind of part air-tightness detection device and its detection method - Google Patents
A kind of part air-tightness detection device and its detection method Download PDFInfo
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- CN106979845A CN106979845A CN201710410807.6A CN201710410807A CN106979845A CN 106979845 A CN106979845 A CN 106979845A CN 201710410807 A CN201710410807 A CN 201710410807A CN 106979845 A CN106979845 A CN 106979845A
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- pressure
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- tooling platform
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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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/14—Control of fluid pressure with auxiliary non-electric power
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
Abstract
The invention discloses a kind of part air-tightness detection device and its detection method, include successively from the bottom to top：Bottom plate, support bar, upper junction plate, hydraulic operation bar, and tool mechanism；Wherein, the both sides of the bottom plate are symmetrically arranged with support bar and install screwed hole；The center position of the bottom plate is machined with a through hole；The tool mechanism includes：Detect that workpiece outline installs neck, tooling platform, and overvoltage protection mechanism；The center position of the tooling platform is provided with air inlet mounting hole；Detection workpiece outline is provided with the upper surface of the tooling platform neck installation position is installed；The detection workpiece outline installs the detection workpiece outline set on upper surface of the neck by the tooling platform and installs the upper surface that neck installation position is fixedly mounted on the tooling platform；The overvoltage protection mechanism includes：Hydraulic stem, and pressure-regulating valve；The pressure-regulating valve, the carrying pressure for controlling the hydraulic stem.
Description
Technical field
The present invention relates to machinery equipment field, more particularly to a kind of part air-tightness detection device and its detection method.
Background technology
The problem of often meeting in industrial production during the air-leakage test of part, at present, for the air-leakage test of part
Mostly be artificial range estimation detection method, will the part be put into liquid and be inflated, then observing part outer surface is
It is no to there is bubble to spill；In addition, there is some special mechanical detection equipment, but not enough improve relatively and ripe, major embodiment
Aspect is that the result detected is not accurate enough, and installs sealing not enough, and part is installed and protects inadequate, so as to cause measurement
As a result it is inaccurate, and workpiece in measurement process situations such as be compromised.In view of problem above, the applicant is by grinding for many years
Study carefully and test, develop a kind of part air-tightness detection device, it measures accurate, and part testing is easy for installation, and has to part
There is defencive function.
The content of the invention
Goal of the invention：For above-mentioned situation, in order to overcome the shortcoming in background technology, the embodiments of the invention provide one kind
Part air-tightness detection device and its detection method, can effectively solve the problem that the problem of being related in above-mentioned background technology.
Technical scheme：A kind of part air-tightness detection device, includes successively from the bottom to top：Bottom plate, support bar, upper connection
Plate, hydraulic operation bar, and tool mechanism；Wherein, the both sides of the bottom plate are symmetrically arranged with support bar and install screwed hole；It is described
The center position of bottom plate is machined with a through hole；The symmetrically arranged support in both sides that the lower end of the support bar passes through the bottom plate
Bar is installed screwed hole and is fixedly mounted on the bottom plate；The upper junction plate is fixedly mounted on the upper end of the support bar, wherein
Hydraulic operation bar pilot hole is machined with heart position；The hydraulic operation bar is arranged on the hydraulic operation bar on the upper junction plate
In pilot hole；The tool mechanism includes：Detect that workpiece outline installs neck, tooling platform, and overvoltage protection mechanism；Its
In, the tooling platform is arranged in the through hole that the center position of the bottom plate is processed；The center of the tooling platform
Place is provided with air inlet mounting hole；Detection workpiece outline is provided with the upper surface of the tooling platform neck installation is installed
Position；The detection workpiece outline installs the detection workpiece outline peace set on upper surface of the neck by the tooling platform
The groove installation position that is loaded is fixedly mounted on the upper surface of the tooling platform；The overvoltage protection mechanism includes：Hydraulic stem, and pressure
Force regulating valve；Wherein, the hydraulic stem upper end is fixedly connected on the lower surface of the tooling platform；The pressure-regulating valve, is used
In the carrying pressure for controlling the hydraulic stem.
As a kind of preferred embodiment of the present invention, in addition to：Detecting system；Wherein, the detecting system includes：Gas pressure
Contracting machine, source of the gas indicator, bi-bit bi-pass hand-operated valve, pressure-reducing valve, pressure gauge 1, choke valve, three-position three-way valve, pressure gauge 2 and
Pressure gauge 3；Wherein, the source of the gas indicator is arranged on behind the gas compressor, and it is used to work as the gas compressor
After startup, the gas compressor is monitored；The bi-bit bi-pass hand-operated valve is arranged on behind the source of the gas indicator,
It is used to open system forward part path；The pressure-reducing valve is arranged on behind the bi-bit bi-pass hand-operated valve, and it is used to adjust
With control air pressure change, the stabilization of system pressure is maintained；The pressure gauge 1 is arranged on behind the pressure-reducing valve, and it is used to work as
After the bi-bit bi-pass hand-operated valve is opened, admission pressure is detected；The choke valve is arranged on behind the pressure gauge 1, and it is used
In adjustment admission pressure；The three-position three-way valve is arranged on behind the choke valve, and it is used to open system forward part path；
The pressure gauge 2 is arranged on behind the three-position three-way valve；The pressure gauge 3 is arranged on the tooling platform upper surface.
As a kind of preferred embodiment of the present invention, in addition to：Suds flusher；The suds flusher bag
Include：Sprinkler head, compression pump, and gold soap holder；Wherein, the compression pump is fixedly mounted in the gold soap holder；Institute
Sprinkler head is stated for several, the surface of the tooling platform is evenly arranged in.
As a kind of preferred embodiment of the present invention, in addition to：High pressure air rifle blow-dry device；The high pressure air rifle blow-dry device
It is evenly arranged in the surface of the tooling platform.
As a kind of preferred embodiment of the present invention, the air inlet mounting hole of the tooling platform, and the detection workpiece
Outline is installed and is provided with sealing ring at neck.
As a kind of preferred embodiment of the present invention, the hydraulic operation bar lower end is provided with touch panel；The contact surface
The lower surface of plate is provided with elastic rubber layer.
A kind of part air-tightness detection method, using a kind of described part air-tightness detection device, comprises the following steps：
Step1, neck is installed according to the corresponding detection workpiece outline of detection part shape selection；And adjustment overvoltage protection machine
The pressure-regulating valve of structure；
Step2, is placed on detection workpiece outline by workpiece and installs on neck, hydraulic operation bar pushes workpiece pressing, gas pressure
Contracting machine starts, and opens bi-bit bi-pass hand-operated valve, and three-position three-way valve, and action, pressure gauge 1 and pressure are inflated into container
Power table 2 shows the blowing pressure；
Step3, after inflation is finished, closes bi-bit bi-pass hand-operated valve, and three-position three-way valve, carries out pressurize, pressure gauge 2 and pressure
Pressure when power table 3 detects pressurize；
Step4, opens the three-position three-way valve to exhaust position, and action is exhausted, and pressure gauge 2 shows pressure at expulsion.
It is used as a kind of preferred embodiment of the present invention, when performing Step2, the work of source of the gas pointer detection gas compressor
State；When the gas compressor working condition is normal, bi-bit bi-pass hand-operated valve is first turned on；Filled when pressure gauge 1 is detected
When atmospheric pressure is setting, then open three-position three-way valve.
As a kind of preferred embodiment of the present invention, when performing Step2, by adjusting pressure-reducing valve, and choke valve, adjustment
It is filled with container inner pressure.
As a kind of preferred embodiment of the present invention, when performing Step3, three-position three-way valve is first shut off, is then being closed
Bi-bit bi-pass hand-operated valve.
The present invention realizes following beneficial effect：A kind of part air-tightness detection device that the present invention is provided, it is by setting
Detect that workpiece outline installs neck, the test for both having facilitated part is installed, and in turn ensure that the sealing of installation；In addition, passing through
Overvoltage protection mechanism is set, it is effective when preventing the hydraulic operation bar to push, the situation of part compressive strain；In addition, of the invention
The detecting system of middle offer, conceptual design is accurate, and measurement result is accurate.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used in specification to explain the principle of the disclosure together.
Fig. 1 provides a kind of overall structure diagram of part air-tightness detection device for the present invention；
Fig. 2 provides the mounting structure schematic diagram of tool mechanism for the present invention；
Fig. 3 provides the mounting structure schematic diagram of hydraulic operation bar for the present invention；
Fig. 4 provides the block schematic illustration of detecting system for the present invention；
Fig. 5 provides a kind of flow chart of part air-tightness detection method for the present invention.
In figure
1-bottom plate, 110-support bar installs screwed hole, and 120-through hole, 2-support bar, 3-upper junction plate, 310-hydraulic pressure is moved
Make bar pilot hole, 4-hydraulic operation bar, 410-touch panel, 411-elastic rubber layer, 5-tool mechanism, 510-detection
Workpiece outline installs neck, and 520-tooling platform, 521-air inlet mounting hole, 522-detection workpiece outline installs card
Groove installation position, 530-overvoltage protection mechanism, 531-hydraulic stem, 532-pressure-regulating valve, 6-detecting system, 610-gas
Compressor, 620-source of the gas indicator, 630-bi-bit bi-pass hand-operated valve, 640-pressure-reducing valve, 650-pressure gauge 1,660-throttling
Valve, 670-three-position three-way valve, 680-pressure gauge 2,690-pressure gauge 3,7-suds flusher, 710-sprinkler head,
720-compression pump, 730-gold soap holder, 8-high pressure air rifle blow-dry device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Embodiment one
Fig. 1-Fig. 4 is refer to, Fig. 1 provides a kind of overall structure diagram of part air-tightness detection device for the present invention；Fig. 2 is
The present invention provides the mounting structure schematic diagram of tool mechanism；Fig. 3 provides the mounting structure signal of hydraulic operation bar for the present invention
Figure；Fig. 4 provides the block schematic illustration of detecting system for the present invention.
Specifically, the present embodiment provides a kind of part air-tightness detection device, include successively from the bottom to top：Bottom plate 1, support
Bar 2, upper junction plate 3, hydraulic operation bar 4, and tool mechanism 5；Wherein, the both sides of the bottom plate 1 are symmetrically arranged with support bar
Screwed hole 110 is installed；The center position of the bottom plate 1 is machined with a through hole 120；The lower end of the support bar 2 passes through described
The symmetrically arranged support bar in both sides of bottom plate 1 is installed screwed hole 110 and is fixedly mounted on the bottom plate 1；The upper junction plate 3 is consolidated
Dingan County is mounted in the upper end of the support bar 2, and its center position is machined with hydraulic operation bar pilot hole 310；The hydraulic operation
Bar 4 is arranged in the hydraulic operation bar pilot hole 310 on the upper junction plate 3；The tool mechanism 5 includes：Detect outside workpiece
Profile installs neck 510, tooling platform 520, and overvoltage protection mechanism 530；Wherein, the tooling platform 520 is arranged on institute
State in the through hole 120 of center position processing of bottom plate 1；The center position of the tooling platform 520 is provided with air inlet peace
Fill hole 521；Detection workpiece outline is provided with the upper surface of the tooling platform 520 neck installation position 522 is installed；The inspection
Survey workpiece outline and the detection workpiece outline installation set on upper surface of the neck 510 by the tooling platform 520 is installed
Neck installation position 522 is fixedly mounted on the upper surface of the tooling platform 520；The overvoltage protection mechanism 530 includes：Hydraulic stem
531, and pressure-regulating valve 532；Wherein, the upper end of hydraulic stem 531 is fixedly connected on the lower end of the tooling platform 520
Face；The pressure-regulating valve 532, the carrying pressure for controlling the hydraulic stem 531.
As a kind of preferred embodiment of the present embodiment, in addition to：Detecting system 6；Wherein, the detecting system 6 includes：Gas
Gas compressor 610, source of the gas indicator 620, bi-bit bi-pass hand-operated valve 630, pressure-reducing valve 640, pressure gauge 1650, choke valve 660, three
Position three-way valve 670, pressure gauge 2680 and pressure gauge 3690；Wherein, the source of the gas indicator 620 is arranged on the gas pressure
Behind contracting machine 610, it is used to after the gas compressor 610 starts, be monitored the gas compressor 610；Institute
Bi-bit bi-pass hand-operated valve 630 is stated behind the source of the gas indicator 620, it is used to open system forward part path；Institute
Pressure-reducing valve 640 is stated behind the bi-bit bi-pass hand-operated valve 630, it is used to adjusting and controlling air pressure change, maintains system
The stabilization of system pressure；The pressure gauge 1650 is arranged on behind the pressure-reducing valve 640, and it is used for when the bi-bit bi-pass is manual
After valve 630 is opened, admission pressure is detected；The choke valve 660 is arranged on behind the pressure gauge 1650, its be used to adjusting into
Atmospheric pressure；The three-position three-way valve 670 is arranged on behind the choke valve 660, and it is used to open system forward part path；Institute
Pressure gauge 2680 is stated behind the three-position three-way valve 670；The pressure gauge 3690 is arranged on the tooling platform 520
Upper surface.
As a kind of preferred embodiment of the present embodiment, in addition to：Suds flusher 7；The suds flusher 7
Including：Sprinkler head 710, compression pump 720, and gold soap holder 730；Wherein, the compression pump 720 is fixedly mounted on the fertilizer
In soap water receptacle 730；The sprinkler head 710 is several, is evenly arranged in the surface of the tooling platform 520.
As a kind of preferred embodiment of the present embodiment, in addition to：High pressure air rifle blow-dry device 8；The high pressure air rifle drying
Device 8 is evenly arranged in the surface of the tooling platform 520.
As a kind of preferred embodiment of the present embodiment, the air inlet mounting hole 521 of the tooling platform 520, and it is described
Detection workpiece outline is installed and is provided with sealing ring at neck 510.
As a kind of preferred embodiment of the present embodiment, the lower end of hydraulic operation bar 4 is provided with touch panel 410；It is described
The lower surface of touch panel 410 is provided with elastic rubber layer 411.
Specifically, a kind of part air-tightness detection device that the present invention is provided, its operation principle is, according to detection part
The corresponding detection workpiece outline of shape selection installs neck 510；And the pressure-regulating valve of adjustment overvoltage protection mechanism 530
532；Workpiece is placed on into detection workpiece outline to install on neck 510, hydraulic operation bar 4 pushes workpiece pressing, gas compression
Machine 610 starts, and opens bi-bit bi-pass hand-operated valve 630, and three-position three-way valve 670, action, pressure gauge are inflated into container
1,650 and pressure gauge 2,680 show the blowing pressure；Wherein, what deserves to be explained is, the source of the gas indicator 620 detects gas
The working condition of compressor 610；When the working condition of gas compressor 610 is normal, bi-bit bi-pass hand-operated valve is first turned on
630；When pressure gauge 1,650 detects the blowing pressure for setting, then open three-position three-way valve 670.In addition, in gas replenishment process
In, can be by adjusting pressure-reducing valve 640, and choke valve 660, adjustment is filled with container inner pressure.
Further, after inflation is finished, three-position three-way valve 670 is first shut off, then bi-bit bi-pass hand-operated valve is being closed
630, carry out pressure when pressurize, pressure gauge 2,680 and the detection pressurize of pressure gauge 3,690.
Further, the three-position three-way valve 670 is opened to exhaust position, action is exhausted, pressure gauge 2,680 is shown
Pressure at expulsion.
In addition, suds flusher 7 is additionally provided with the present embodiment, and high pressure air rifle blow-dry device 8, when the inspection
Examining system detection 6 detect part air-tightness it is unqualified when, described 7 pairs of piece surfaces of suds flusher spray
Suds, observe the air leakage point of part；Then dried up again by high pressure air rifle blow-dry device 8.
Embodiment two
Fig. 5 is refer to, Fig. 5 provides a kind of flow chart of part air-tightness detection method for the present invention.
Specifically, the present embodiment provides a kind of part air-tightness detection method, a kind of part described in embodiment one is used
Air-tightness detection device, comprises the following steps：
Step1, neck is installed according to the corresponding detection workpiece outline of detection part shape selection；And adjustment overvoltage protection machine
The pressure-regulating valve of structure；
Step2, is placed on detection workpiece outline by workpiece and installs on neck, hydraulic operation bar pushes workpiece pressing, gas pressure
Contracting machine starts, and opens bi-bit bi-pass hand-operated valve, and three-position three-way valve, and action, pressure gauge 1 and pressure are inflated into container
Power table 2 shows the blowing pressure；
Step3, after inflation is finished, closes bi-bit bi-pass hand-operated valve, and three-position three-way valve, carries out pressurize, pressure gauge 2 and pressure
Pressure when power table 3 detects pressurize；
Step4, opens the three-position three-way valve to exhaust position, and action is exhausted, and pressure gauge 2 shows pressure at expulsion.
It is used as a kind of preferred embodiment of the present invention, when performing Step2, the work of source of the gas pointer detection gas compressor
State；When the gas compressor working condition is normal, bi-bit bi-pass hand-operated valve is first turned on；Filled when pressure gauge 1 is detected
When atmospheric pressure is setting, then open three-position three-way valve.
As a kind of preferred embodiment of the present invention, when performing Step2, by adjusting pressure-reducing valve, and choke valve, adjustment
It is filled with container inner pressure.
As a kind of preferred embodiment of the present invention, when performing Step3, three-position three-way valve is first shut off, is then being closed
Bi-bit bi-pass hand-operated valve.
What deserves to be explained is, a kind of part air-tightness detection method that the present embodiment is provided, its operation principle and above-mentioned reality
The operation principle for applying part air-tightness detection device described in example one is consistent, then, repeats no more.
The above embodiments merely illustrate the technical concept and features of the present invention, and the purpose is to allow be familiar with the skill of the technical field
Art personnel can understand present disclosure and implement according to this, can not be limited the scope of the invention with this.All bases
Equivalent changes or modifications made by spirit of the invention, should all be included within the scope of the present invention.
Claims (10)
1. a kind of part air-tightness detection device, it is characterised in that include successively from the bottom to top：Bottom plate（1）, support bar（2）, on
Connecting plate（3）, hydraulic operation bar（4）, and tool mechanism（5）；Wherein, the bottom plate（1）Both sides be symmetrically arranged with support
Bar installs screwed hole（110）；The bottom plate（1）Center position be machined with a through hole（120）；The support bar（2）Under
End passes through the bottom plate（1）The symmetrically arranged support bar in both sides screwed hole is installed（110）It is fixedly mounted on the bottom plate（1）
On；The upper junction plate（3）It is fixedly mounted on the support bar（2）Upper end, its center position is machined with hydraulic operation bar
Pilot hole（310）；The hydraulic operation bar（4）Installed in the upper junction plate（3）On hydraulic operation bar pilot hole（310）
It is interior；The tool mechanism（5）Including：Detect that workpiece outline installs neck（510）, tooling platform（520）, and overvoltage protection
Mechanism（530）；Wherein, the tooling platform（520）Installed in the bottom plate（1）Center position processing through hole（120）
It is interior；The tooling platform（520）Center position be provided with air inlet mounting hole（521）；The tooling platform（520）It is upper
Detection workpiece outline is provided with end face neck installation position is installed（522）；The detection workpiece outline installs neck（510）
Pass through the tooling platform（520）Upper surface on the detection workpiece outline that sets neck installation position is installed（522）Fixed peace
Mounted in the tooling platform（520）Upper surface；The overvoltage protection mechanism（530）Including：Hydraulic stem（531）, and pressure
Regulating valve（532）；Wherein, the hydraulic stem（531）Upper end is fixedly connected on the tooling platform（520）Lower surface；It is described
Pressure-regulating valve（532）, for controlling the hydraulic stem（531）Carrying pressure.
2. a kind of part air-tightness detection device according to claim 1, it is characterised in that also include：Detecting system
（6）；Wherein, the detecting system（6）Including：Gas compressor（610）, source of the gas indicator（620）, bi-bit bi-pass hand-operated valve
（630）, pressure-reducing valve（640）, pressure gauge 1（650）, choke valve（660）, three-position three-way valve（670）, pressure gauge 2（680）And
Pressure gauge 3（690）；Wherein, the source of the gas indicator（620）Installed in the gas compressor（610）Behind, it is used to work as
The gas compressor（610）After startup, to the gas compressor（610）It is monitored；The bi-bit bi-pass hand-operated valve
（630）Installed in the source of the gas indicator（620）Behind, it is used to open system forward part path；The pressure-reducing valve（640）
Installed in the bi-bit bi-pass hand-operated valve（630）Behind, it is used to adjusting and controlling air pressure change, maintains the steady of system pressure
It is fixed；The pressure gauge 1（650）Installed in the pressure-reducing valve（640）Behind, it is used to work as the bi-bit bi-pass hand-operated valve
（630）After opening, admission pressure is detected；The choke valve（660）Installed in the pressure gauge 1（650）Behind, it is used to adjust
Whole admission pressure；The three-position three-way valve（670）Installed in the choke valve（660）Behind, it is used to open system front portion
Divide path；The pressure gauge 2（680）Installed in the three-position three-way valve（670）Behind；The pressure gauge 3（690）It is arranged on
The tooling platform（520）Upper surface.
3. a kind of part air-tightness detection device according to claim 1, it is characterised in that also include：Suds spray
Device（7）；The suds flusher（7）Including：Sprinkler head（710）, compression pump（720）, and gold soap holder
（730）；Wherein, the compression pump（720）It is fixedly mounted on the gold soap holder（730）It is interior；The sprinkler head（710）If for
Dry, it is evenly arranged in the tooling platform（520）Surface.
4. a kind of part air-tightness detection device according to claim 3, it is characterised in that also include：High pressure air rifle blows
Equipment for drying（8）；The high pressure air rifle blow-dry device（8）It is evenly arranged in the tooling platform（520）Surface.
5. a kind of part air-tightness detection device according to claim 1, it is characterised in that the tooling platform（520）
Air inlet mounting hole（521）, and the detection workpiece outline installation neck（510）Place is provided with sealing ring.
6. a kind of part air-tightness detection device according to claim 1, it is characterised in that the hydraulic operation bar（4）
Lower end is provided with touch panel（410）；The touch panel（410）Lower surface be provided with elastic rubber layer（411）.
7. a kind of part air-tightness detection method, usage right requires a kind of part air-leakage test dress described in any one of 1-6
Put, it is characterised in that comprise the following steps：
Step1, neck is installed according to the corresponding detection workpiece outline of detection part shape selection；And adjustment overvoltage protection machine
The pressure-regulating valve of structure；
Step2, is placed on detection workpiece outline by workpiece and installs on neck, hydraulic operation bar pushes workpiece pressing, gas pressure
Contracting machine starts, and opens bi-bit bi-pass hand-operated valve, and three-position three-way valve, and action, pressure gauge 1 and pressure are inflated into container
Power table 2 shows the blowing pressure；
Step3, after inflation is finished, closes bi-bit bi-pass hand-operated valve, and three-position three-way valve, carries out pressurize, pressure gauge 2 and pressure
Pressure when power table 3 detects pressurize；
Step4, opens the three-position three-way valve to exhaust position, and action is exhausted, and pressure gauge 2 shows pressure at expulsion.
8. a kind of part air-tightness detection method according to claim 7, it is characterised in that when performing Step2, source of the gas
The working condition of pointer detection gas compressor；When the gas compressor working condition is normal, two two are first turned on
Logical hand-operated valve；When pressure gauge 1 detects the blowing pressure for setting, then open three-position three-way valve.
9. a kind of part air-tightness detection method according to claim 7, it is characterised in that when performing Step2, pass through
Pressure-reducing valve, and choke valve are adjusted, adjustment is filled with container inner pressure.
10. a kind of part air-tightness detection method according to claim 7, it is characterised in that first when performing Step3
Three-position three-way valve is first closed, then bi-bit bi-pass hand-operated valve is being closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410807.6A CN106979845A (en) | 2017-06-04 | 2017-06-04 | A kind of part air-tightness detection device and its detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410807.6A CN106979845A (en) | 2017-06-04 | 2017-06-04 | A kind of part air-tightness detection device and its detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979845A true CN106979845A (en) | 2017-07-25 |
Family
ID=59343489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710410807.6A Withdrawn CN106979845A (en) | 2017-06-04 | 2017-06-04 | A kind of part air-tightness detection device and its detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979845A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426679A (en) * | 2018-02-28 | 2018-08-21 | 重庆广福科技有限公司 | Sealing device for auto parts machinery air-leakage test |
| CN109916571A (en) * | 2019-04-24 | 2019-06-21 | 柳云宇 | A kind of water-cooled motor shell detection device that stability is high |
| CN110530585A (en) * | 2019-09-25 | 2019-12-03 | 苏州市格范五金塑胶工业有限公司 | A kind of part cracking verifying attachment |
-
2017
- 2017-06-04 CN CN201710410807.6A patent/CN106979845A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426679A (en) * | 2018-02-28 | 2018-08-21 | 重庆广福科技有限公司 | Sealing device for auto parts machinery air-leakage test |
| CN109916571A (en) * | 2019-04-24 | 2019-06-21 | 柳云宇 | A kind of water-cooled motor shell detection device that stability is high |
| CN110530585A (en) * | 2019-09-25 | 2019-12-03 | 苏州市格范五金塑胶工业有限公司 | A kind of part cracking verifying attachment |
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