CN111307384A - Gear chamber cover air tightness testing device and detection method thereof - Google Patents
Gear chamber cover air tightness testing device and detection method thereof Download PDFInfo
- Publication number
- CN111307384A CN111307384A CN202010234823.6A CN202010234823A CN111307384A CN 111307384 A CN111307384 A CN 111307384A CN 202010234823 A CN202010234823 A CN 202010234823A CN 111307384 A CN111307384 A CN 111307384A
- Authority
- CN
- China
- Prior art keywords
- gear chamber
- air
- chamber cover
- pressure
- inflation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 title claims description 15
- 238000009434 installation Methods 0.000 claims description 12
- 230000003028 elevating effect Effects 0.000 claims description 8
- 239000000872 buffer Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
Abstract
The invention discloses a device for testing the air tightness of a gear chamber cover, and aims to provide a device for testing the air tightness of the gear chamber cover, which has good testing effect, simple structure and strong practicability.
Description
Technical Field
The invention relates to the technical field of gear chamber cover detection equipment, in particular to a gear chamber cover air tightness testing device and a detection method thereof.
Background
And the gear chamber cover air tightness testing device is used for detecting the air tightness of the gear chamber cover.
At present, the gear chamber cover air tightness testing device on the market comprises a frame. Traditional gear chamber cap gas tightness testing arrangement is examining time measuring, usually only carries out the detection of constant voltage to the gear chamber cap, but can not guarantee like this under different atmospheric pressure, can guarantee the gas tightness to the practicality and the application range of gear chamber cap have been reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the gear chamber cover air tightness detection device which is good in detection effect, simple in structure and high in practicability.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a gear chamber cap gas tightness testing arrangement, includes the frame, be equipped with the workstation in the frame, set up in workstation below gear chamber, set up in the elevating platform of workstation top, set up in the frame and be used for driving elevating platform lift, fall and reciprocating motion's drive arrangement, set up the inflation tube way on the elevating platform, set up in the frame and the aerating device who is linked together with the inflation tube way, set up the atmospheric pressure detector on the workstation and set up in the frame and with atmospheric pressure detector electric connection's control panel.
By adopting the technical scheme, the rack is provided with the workbench, the gear chamber arranged below the workbench, the lifting platform arranged above the workbench, the driving device arranged on the rack and used for driving the lifting platform to ascend, descend and reciprocate, the inflation pipeline arranged on the lifting platform, the inflation device arranged on the rack and communicated with the inflation pipeline, the air pressure detector arranged on the workbench and the control panel arranged on the rack and electrically connected with the air pressure detector, an automatic driving structure is formed by the lifting platform arranged above the workbench and the driving device arranged on the rack and used for driving the lifting platform to ascend, descend and reciprocate by matching with the inflation pipeline and the inflation device, and the air pressure in the cavity is detected by the air pressure detector, thereby judging airtightness.
The invention is further configured to: the lifting platform comprises a mounting seat and a mounting plate detachably connected with the mounting seat, the inflation pipeline is arranged on the mounting plate, and a detachable mechanism is arranged between the mounting plate and the mounting seat.
Through adopting above-mentioned technical scheme, be equipped with on the workstation and can dismantle the locating template of being connected with the workstation, the elevating platform includes the mount pad and can dismantle the mounting panel of being connected with the mount pad, and gas filled tube sets up on the mounting panel, is equipped with detachable machanism between mounting panel and the mount pad.
The invention is further configured to: the detachable mechanism comprises a slide rail arranged on the mounting seat, a slide block arranged on the mounting plate and matched with the slide rail, and a fixing bolt used for fixing the slide rail and the slide block.
Through adopting above-mentioned technical scheme, detachable mechanism is including setting up the slide rail on the mount pad, set up on the mounting panel and with the slider of slide rail looks adaptation and be used for the fixing bolt of fixed slide rail and slider, adopt above-mentioned structure to set up, through the cooperation between slide rail and the slider, the installation of being convenient for provides the stability of assembly simultaneously, rethread fixing bolt fixes, has ensured the connection stability between the two, and the practicality is strong, simple structure, just installation and dismantlement change the template of different models.
The invention is further configured to: the frame is provided with a guide mechanism for guiding the mounting plate, and the guide mechanism comprises a plurality of guide posts which are arranged between the workbench and the frame and penetrate through the lifting platform.
Through adopting above-mentioned technical scheme, be equipped with in the frame and be used for carrying out the guiding mechanism who leads to the mounting panel, through the guide structure who sets up, improve the direction effect, stability when improving the pushing down, simple structure, stability is strong, through setting up this guiding mechanism to including setting up a plurality of guide posts between workstation and frame and running through the elevating platform, the guide post structure forms diversified location effect.
The invention is further configured to: the guide mechanism further comprises a buffer spring arranged between the mounting plate and the workbench.
Through adopting above-mentioned technical scheme, guiding mechanism still including setting up the buffer spring between mounting panel and the workstation, adopts above-mentioned structure setting, through setting up the buffer spring between mounting panel and workstation, then when the mounting panel pushes down, forms good buffering effect, and stability is strong, simple structure.
The invention is further configured to: the workbench is connected with the positioning template through bolts.
Through adopting above-mentioned technical scheme, workstation and locating template pass through bolted connection, adopt above-mentioned structure to connect workstation and orientation module, and connection structure is simple, and the practicality is strong, is convenient for dismantle the installation of locating template to improve follow-up product to different models and carry out the gas tightness and detect.
The invention is further configured to: the driving device is a cylinder, and the inflating device is a pneumatic pump.
Through adopting above-mentioned technical scheme, drive arrangement is the cylinder, and aerating device is the pneumatic pump, adopts above-mentioned structure setting, through setting up drive arrangement to the cylinder to and set up aerating device to the pneumatic pump, the drive and the mode of aerifing is simple, and the practicality is strong, the operation of being convenient for.
A detection method suitable for the gear chamber cover air tightness testing device comprises the following detection steps: (1) installation: installing a gear chamber cover to be detected on a positioning template, installing two valve covers on two inflation pipelines, wherein the two valve covers and the gear chamber cover valves are arranged correspondingly, the rated value of the allowable air leakage of the stepped continuous pressurization is preset to be P, and the rated value of the allowable air leakage of the stepped continuous exhaust is preset to be Q;
(2) and (3) inflating: the lifting platform is pressed down, then a chamber formed by the gear chamber cover and the positioning template is inflated, and during inflation, an inflation mode is selected according to needs and is divided into a simultaneous inflation mode and a step circulation inflation mode; the simultaneous inflation mode is to inflate the chamber at a constant pressure; the step cycle inflation mode is that the chamber is inflated by gradually pressurizing, the inside of the chamber is monitored in real time through an air pressure detector, and the air leakage value of the chamber in different pressurizing states is recorded as P1; when the air pressure in the chamber reaches the inflation pressure limiting stage, stopping inflating and entering a pressure maintaining stage;
(2) pressure maintaining: presetting a pressure maintaining air pressure range of a gear chamber cover, then acquiring real-time air pressure in the chamber by an air pressure detector, comparing the real-time air pressure with the pressure maintaining air pressure range, exhausting the air chamber when the real-time air pressure is higher than the upper limit value of the pressure maintaining air pressure range, and inflating the air chamber when the real-time air pressure is lower than the lower limit value of the pressure maintaining air pressure range, so that the air pressure of the chamber is maintained in the pressure maintaining air pressure range;
(3) exhausting: presetting exhaust pressure limit of the gear chamber cover, then exhausting the gear chamber cover, and stopping exhausting when the air pressure of each air chamber of the gear chamber cover reaches the exhaust pressure limit; when exhausting, selecting an exhaust mode according to requirements, wherein the exhaust mode is divided into a simultaneous exhaust mode and a step circulation exhaust mode; the simultaneous exhaust mode is to exhaust all air chambers of the gear chamber cover simultaneously; the step circulation exhaust mode is that an exhaust air pressure step series is preset, then pressure is gradually reduced to perform step exhaust on each air chamber of the gear chamber cover, the inside of the chamber is monitored in real time through an air pressure detector, and the air leakage value of the chamber under different pressurization states is recorded as Q1;
(4) checking and comparing: if P1 is not less than P and Q1 is not less than Q, the product is qualified, otherwise, the product is unqualified.
(5) Disassembling and repeating the steps in the cycle.
The invention is further configured to: the internal pressure of the gear chamber cover is controlled to be between 0.4MPa and 0.8MPa, the time of an inflation stage is controlled to be between 10s and 15s, the time of a pressure maintaining stage is controlled to be between 30s and 35s, the internal pressure of the gear chamber cover is controlled to be between 0.5MPa and 0.9MPa in the inflation stage and the pressure maintaining stage, and the time of an exhaust stage is controlled to be within 10 s.
The invention is further configured to: the end values of the pressurization step inflation are 0.6MPa, 0.7MPa and 0.8MPa respectively, and the end values of the decompression step exhaust are 0.8MPa, 0.7MPa and 0.6MPa respectively.
Through adopting above-mentioned technical scheme, beneficial effect: when detecting the gas tightness through carrying out the gas tightness to the gear chamber lid, aerify the cavity through the constant voltage and aerify the cavity through pressurizeing gradually in the stage of aerifing to this gas tightness when simulating aerifing under different atmospheric pressures, and carry out cascaded exhaust through constant voltage exhaust and through pressurizeing gradually to the cavity, gas tightness when the simulation is discharged under different atmospheric pressures has ensured the gas tightness under different stages, has improved good practicality.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an air tightness testing device of a gear chamber cover and a detection method thereof according to the present invention.
Reference numeral, 1, a frame; 2. a work table; 3. a gear chamber; 4. a drive device; 30. an inflation conduit; 31. an inflator; 20. an air pressure detector; 21. a control panel; 22. positioning a template; 32. a mounting seat; 33. mounting a plate; 320. a slide rail; 321. a slider; 322. fixing the bolt; 33. a guide post; 34. a buffer spring.
Detailed Description
An embodiment of an air tightness testing device and a testing method thereof for a gear chamber cover according to the present invention will be further described with reference to fig. 1.
For ease of description, spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
A device for testing the air tightness of a gear chamber cover comprises a frame 1, wherein a workbench 2 is arranged on the frame 1, a gear chamber 3 is arranged below the workbench 2, a lifting platform 3 is arranged above the workbench 2, a driving device 4 which is arranged on the frame 1 and is used for driving the lifting platform 3 to ascend, descend and reciprocate, an air charging pipeline 30 arranged on the lifting platform 3, an air charging device 31 which is arranged on the frame 1 and is communicated with the air charging pipeline 30, an air pressure detector 20 arranged on the workbench 2 and a control panel 21 which is arranged on the frame 1 and is electrically connected with the air pressure detector 20, an automatic driving structure is formed by the lifting platform 3 arranged above the workbench 2, the driving device 4 which is arranged on the frame 1 and is used for driving the lifting platform 3 to ascend, descend and reciprocate, and a chamber formed between the gear chamber cover and the workbench 2 is charged by matching with the air charging pipeline 30 and the air charging device 31, the air pressure in the chamber is detected by the air pressure detector 20, and the airtightness is determined.
The invention is further arranged that a positioning template 22 detachably connected with the workbench 2 is arranged on the workbench 2, the lifting platform 3 comprises an installation seat 32 and an installation plate 33 detachably connected with the installation seat 32, the inflation pipeline 30 is arranged on the installation plate 33, and a detachable mechanism is arranged between the installation plate 33 and the installation seat 32.
The invention is further provided that the detachable mechanism comprises a slide rail 320 arranged on the mounting seat 32, a slide block 321 arranged on the mounting plate 33 and matched with the slide rail 320, and a fixing bolt 322 for fixing the slide rail 320 and the slide block 321, by adopting the structure arrangement, the mounting is convenient by matching the slide rail 320 and the slide block 321, the stability of the assembly is provided, and the fixing is carried out by the fixing bolt 322, so that the connection stability between the slide rail 320 and the slide block 321 is ensured, the practicability is strong, the structure is simple, the mounting and the dismounting are convenient, and templates of different models are replaced.
The invention is further arranged that the frame 1 is provided with a guide mechanism for guiding the mounting plate 32, the guide effect is improved and the stability during pressing is improved through the arranged guide structure, the structure is simple, the stability is strong, and the guide mechanism is arranged to comprise a plurality of guide posts 33 which are arranged between the workbench 2 and the frame 1 and penetrate through the lifting platform 3, and the guide posts 33 form a multi-directional positioning effect.
The guide mechanism further comprises a buffer spring 34 arranged between the mounting plate 32 and the workbench 2, and by adopting the structure, when the mounting plate 32 is pressed downwards, a good buffer effect is formed through the buffer spring 34 arranged between the mounting plate 32 and the workbench 2, the stability is strong, and the structure is simple.
The invention is further arranged that the workbench 2 is connected with the positioning template 22 through bolts, the workbench 2 is connected with the positioning module 22 through the structure, the connecting structure is simple, the practicability is strong, and the positioning template 22 is convenient to mount and dismount, so that the subsequent air tightness detection of products of different types is improved.
The invention is further set that the driving device 4 is an air cylinder, the inflating device 31 is a pneumatic pump, by adopting the structure, the driving device 4 is set as the air cylinder, and the inflating device 31 is set as the pneumatic pump, the driving and inflating modes are simple, the practicability is strong, and the operation is convenient.
A detection method suitable for the gear chamber cover air tightness testing device comprises the following detection steps: (1) installation: installing a gear chamber cover to be detected on a positioning template 22, installing two valve covers on two inflation pipelines 30, wherein the two valve covers and the gear chamber cover valves are arranged correspondingly, the rated value of the allowable air leakage of the stepped continuous pressurization is preset to be P, and the rated value of the allowable air leakage of the stepped continuous exhaust is preset to be Q;
(2) and (3) inflating: the lifting platform is pressed down, then a chamber formed by the gear chamber cover and the positioning template 22 is inflated, and during inflation, an inflation mode is selected according to needs and is divided into a simultaneous inflation mode and a step circulation inflation mode; the simultaneous inflation mode is to inflate the chamber at a constant pressure; the step cycle inflation mode is that the chamber is inflated by gradually pressurizing, the inside of the chamber is monitored in real time through the air pressure detector 20, and the air leakage value of the chamber in different pressurizing states is recorded as P1; when the air pressure in the chamber reaches the inflation pressure limiting stage, stopping inflating and entering a pressure maintaining stage;
(2) pressure maintaining: presetting a pressure maintaining air pressure range of a gear chamber cover, then acquiring real-time air pressure in the chamber by an air pressure detector 20, comparing the real-time air pressure with the pressure maintaining air pressure range, exhausting the air chamber when the real-time air pressure is higher than the upper limit value of the pressure maintaining air pressure range, and inflating the air chamber when the real-time air pressure is lower than the lower limit value of the pressure maintaining air pressure range, so that the air pressure of the chamber is maintained in the pressure maintaining air pressure range;
(3) exhausting: presetting exhaust pressure limit of the gear chamber cover, then exhausting the gear chamber cover, and stopping exhausting when the air pressure of each air chamber of the gear chamber cover reaches the exhaust pressure limit; when exhausting, selecting an exhaust mode according to requirements, wherein the exhaust mode is divided into a simultaneous exhaust mode and a step circulation exhaust mode; the simultaneous exhaust mode is to exhaust all air chambers of the gear chamber cover simultaneously; the step circulation exhaust mode is that an exhaust air pressure step series is preset, then pressure is gradually reduced to perform step exhaust on each air chamber of the gear chamber cover, the inside of the chamber is monitored in real time through an air pressure detector, and the air leakage value of the chamber under different pressurization states is recorded as Q1;
(4) checking and comparing: if P1 is not less than P and Q1 is not less than Q, the product is qualified, otherwise, the product is unqualified.
(5) Disassembling and repeating the steps in the cycle.
The invention is further set that the pressure in the gear chamber cover is controlled between 0.4MPa and 0.8MPa, the time of the inflation stage is controlled between 10s and 15s, the time of the pressure maintaining stage is controlled between 30s and 35s, the pressure in the gear chamber cover is controlled between 0.5MPa and 0.9MPa in the inflation stage and the pressure maintaining stage, and the time of the exhaust stage is controlled within 10 s.
The invention is further arranged that the end values of the pressurization step inflation are 0.6MPa, 0.7MPa and 0.8MPa respectively, and the end values of the decompression step exhaust are 0.8MPa, 0.7MPa and 0.6MPa respectively.
Through adopting above-mentioned technical scheme, beneficial effect: when detecting the gas tightness through carrying out the gas tightness to the gear chamber lid, aerify the cavity through the constant voltage and aerify the cavity through pressurizeing gradually in the stage of aerifing to this gas tightness when simulating aerifing under different atmospheric pressures, and carry out cascaded exhaust through constant voltage exhaust and through pressurizeing gradually to the cavity, gas tightness when the simulation is discharged under different atmospheric pressures has ensured the gas tightness under different stages, has improved good practicality.
It should be noted that, in the embodiment of the present invention, the amount of the gas to be charged is not changed, the magnitude of the gas pressure during charging is changed, and then the amount of the gas in the chamber is detected, so as to detect the gas leakage condition at different stages of the gas pressure.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.
Claims (10)
1. The utility model provides a gear chamber cap gas tightness testing arrangement, includes frame (1), a serial communication port, be equipped with workstation (2) in frame (1), set up in workstation (2) below gear chamber (3), set up in the elevating platform of workstation (2) top, set up in frame (1) and be used for driving elevating platform lift, go down and reciprocating motion's drive arrangement (4), set up inflation tube way (30) on the elevating platform, set up in frame (1) and inflation tube way (30) be linked together aerating device (31), set up atmospheric pressure detector (20) on workstation (2) and set up in frame (1) and with atmospheric pressure detector (20) electric connection's control panel (21).
2. The gear chamber cover air tightness testing device of claim 1, wherein a positioning template (22) detachably connected with the workbench (2) is arranged on the workbench (2), the lifting platform comprises a mounting seat (32) and a mounting plate (33) detachably connected with the mounting seat (32), the air inflation pipeline (30) is arranged on the mounting plate (33), and a detachable mechanism is arranged between the mounting plate (33) and the mounting seat (32).
3. The device for testing the airtightness of the gear chamber cover according to claim 2, wherein the detachable mechanism comprises a slide rail (320) disposed on the mounting base (32), a slide block (321) disposed on the mounting plate (33) and adapted to the slide rail (320), and a fixing bolt (322) for fixing the slide rail (320) and the slide block (321).
4. The device for testing the airtightness of the gear chamber cover according to claim 1, wherein the frame (1) is provided with a guide mechanism for guiding the mounting plate (33), and the guide mechanism comprises a plurality of guide posts (33) which are arranged between the workbench (2) and the frame (1) and penetrate through the lifting table.
5. The device for testing the airtightness of the gear chamber cover according to claim 4, wherein the guide mechanism further comprises a buffer spring (34) provided between the mounting plate (33) and the table (2).
6. The device for testing the airtightness of the cover of the gear chamber according to claim 1, wherein the table (2) and the positioning die plate (22) are connected by bolts.
7. The device for testing the airtightness of the gear chamber cover according to claim 1, wherein the driving means (4) is an air cylinder, and the inflating means (31) is a pneumatic pump.
8. A detection method suitable for the airtightness test device for the gear chamber cover according to any one of claims 1 to 6, is characterized by comprising the following detection steps: (1) installation: installing a gear chamber cover to be detected on a positioning template (22), installing two valve covers on two inflation pipelines (30), wherein the two valve covers and the gear chamber cover valves are arranged correspondingly, the rated value of the allowable air leakage of the stepped continuous pressurization is preset to be P, and the rated value of the allowable air leakage of the stepped continuous exhaust is preset to be Q;
(2) and (3) inflating: the lifting platform is pressed down, then a chamber formed by the gear chamber cover and the positioning template (22) is inflated, and during inflation, an inflation mode is selected according to needs and is divided into a simultaneous inflation mode and a step circulation inflation mode; the simultaneous inflation mode is to inflate the chamber at a constant pressure; the step cycle inflation mode is that the chamber is inflated by gradually pressurizing, the inside of the chamber is monitored in real time through the air pressure detector (20), and the air leakage value of the chamber in different pressurizing states is recorded as P1; when the air pressure in the chamber reaches the inflation pressure limiting stage, stopping inflating and entering a pressure maintaining stage;
(2) pressure maintaining: presetting a pressure maintaining air pressure range of a gear chamber cover, then obtaining real-time air pressure in the chamber by an air pressure detector (20), comparing the real-time air pressure with the pressure maintaining air pressure range, exhausting the air chamber when the real-time air pressure is higher than the upper limit value of the pressure maintaining air pressure range, and inflating the air chamber when the real-time air pressure is lower than the lower limit value of the pressure maintaining air pressure range so as to maintain the air pressure of the chamber in the pressure maintaining air pressure range;
(3) exhausting: presetting exhaust pressure limit of the gear chamber cover, then exhausting the gear chamber cover, and stopping exhausting when the air pressure of each air chamber of the gear chamber cover reaches the exhaust pressure limit; when exhausting, selecting an exhaust mode according to requirements, wherein the exhaust mode is divided into a simultaneous exhaust mode and a step circulation exhaust mode; the simultaneous exhaust mode is to exhaust all air chambers of the gear chamber cover simultaneously; the step circulation exhaust mode is that an exhaust air pressure step series is preset, then pressure is gradually reduced to perform step exhaust on each air chamber of the gear chamber cover, the inside of the chamber is monitored in real time through an air pressure detector (20), and the air leakage value of the chamber under different pressurization states is recorded as Q1;
(4) checking and comparing: if P1 is not less than P and Q1 is not less than Q, the product is qualified, otherwise, the product is unqualified.
(5) Disassembling and repeating the steps in the cycle.
9. The detecting method of the airtight testing device for the gear chamber cover according to claim 8, wherein the pressure inside the gear chamber cover is controlled between 0.4MPa and 0.8MPa, the time of the inflation phase is controlled between 10s and 15s, the time of the pressure maintaining phase is controlled between 30s and 35s, the pressure inside the gear chamber cover is controlled between 0.5MPa and 0.9MPa during the inflation phase and the pressure maintaining phase, and the time of the exhaust phase is controlled within 10 s.
10. The method for testing the airtightness of the gear chamber cover according to claim 9, wherein the inflation ends of the pressurizing step are 0.6MPa, 0.7MPa and 0.8MPa, and the exhaust ends of the depressurizing step are 0.8MPa, 0.7MPa and 0.6MPa, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010234823.6A CN111307384B (en) | 2020-03-30 | 2020-03-30 | Gear chamber cover gas tightness testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010234823.6A CN111307384B (en) | 2020-03-30 | 2020-03-30 | Gear chamber cover gas tightness testing arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111307384A true CN111307384A (en) | 2020-06-19 |
| CN111307384B CN111307384B (en) | 2021-10-08 |
Family
ID=71157784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010234823.6A Expired - Fee Related CN111307384B (en) | 2020-03-30 | 2020-03-30 | Gear chamber cover gas tightness testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111307384B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375731A (en) * | 2021-07-22 | 2021-09-10 | 江苏东冠智能科技有限公司 | Prevent fire door protection factor of safety detecting system |
| CN113483972A (en) * | 2021-08-20 | 2021-10-08 | 安徽信息工程学院 | Automatic air tightness detection device for bent pipe |
| CN117310401A (en) * | 2023-09-08 | 2023-12-29 | 钧罡(宁波)金属精密部件有限公司 | Electrical component detection device and method |
| CN117723219A (en) * | 2024-02-02 | 2024-03-19 | 安徽维鸿电子科技有限公司 | Air tightness detection device for liquid-cooled radiator |
| CN117310401B (en) * | 2023-09-08 | 2024-05-03 | 钧罡(宁波)金属精密部件有限公司 | Electrical component detection device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136407A (en) * | 2015-08-27 | 2015-12-09 | 浙江联宜电机有限公司 | Worm gear box tightness test device |
| US20160223425A1 (en) * | 2015-02-03 | 2016-08-04 | Citic Dicastal Co., Ltd | Air tightness detection device for aluminum alloy wheel hub and method for detecting air tightness of wheel hub |
| CN106370357A (en) * | 2016-08-31 | 2017-02-01 | 重庆科杰实业有限责任公司 | Multifunctional water leakage detection device |
| CN107314872A (en) * | 2017-06-28 | 2017-11-03 | 厦门艾尔普斯汽车零配件有限责任公司 | Automobile engine cylinder head airtight test method and device |
| CN109708819A (en) * | 2019-02-28 | 2019-05-03 | 青岛天路平金属制品有限公司 | A kind of Full automatic pressure tester |
-
2020
- 2020-03-30 CN CN202010234823.6A patent/CN111307384B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160223425A1 (en) * | 2015-02-03 | 2016-08-04 | Citic Dicastal Co., Ltd | Air tightness detection device for aluminum alloy wheel hub and method for detecting air tightness of wheel hub |
| CN105136407A (en) * | 2015-08-27 | 2015-12-09 | 浙江联宜电机有限公司 | Worm gear box tightness test device |
| CN106370357A (en) * | 2016-08-31 | 2017-02-01 | 重庆科杰实业有限责任公司 | Multifunctional water leakage detection device |
| CN107314872A (en) * | 2017-06-28 | 2017-11-03 | 厦门艾尔普斯汽车零配件有限责任公司 | Automobile engine cylinder head airtight test method and device |
| CN109708819A (en) * | 2019-02-28 | 2019-05-03 | 青岛天路平金属制品有限公司 | A kind of Full automatic pressure tester |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375731A (en) * | 2021-07-22 | 2021-09-10 | 江苏东冠智能科技有限公司 | Prevent fire door protection factor of safety detecting system |
| CN113375731B (en) * | 2021-07-22 | 2023-03-31 | 鹤山市恒保防火玻璃厂有限公司 | Prevent fire door protection factor of safety detecting system |
| CN113483972A (en) * | 2021-08-20 | 2021-10-08 | 安徽信息工程学院 | Automatic air tightness detection device for bent pipe |
| CN113483972B (en) * | 2021-08-20 | 2024-01-26 | 安徽信息工程学院 | Automatic air tightness detection device for bent pipe |
| CN117310401A (en) * | 2023-09-08 | 2023-12-29 | 钧罡(宁波)金属精密部件有限公司 | Electrical component detection device and method |
| CN117310401B (en) * | 2023-09-08 | 2024-05-03 | 钧罡(宁波)金属精密部件有限公司 | Electrical component detection device and method |
| CN117723219A (en) * | 2024-02-02 | 2024-03-19 | 安徽维鸿电子科技有限公司 | Air tightness detection device for liquid-cooled radiator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111307384B (en) | 2021-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111307384B (en) | Gear chamber cover gas tightness testing arrangement | |
| CN202033162U (en) | Air tightness testing machine | |
| CN102635778B (en) | Automatic inflator for nitrogen spring | |
| CN201740630U (en) | Test stand for airtightness of casing | |
| CN102706520A (en) | Full-automatic testing system for air tightness of housing of transmission and detection method thereof | |
| CN207946202U (en) | A kind of novel air bleeding valve gear combined test stand | |
| CN101832846B (en) | Workbench for detecting air tightness of air valve | |
| CN104454493B (en) | Water pump testing system and method | |
| CN202647182U (en) | Nitrogen spring automatic inflator | |
| CN211527721U (en) | A gas tightness detection device for aluminum alloy die casting | |
| CN218002841U (en) | Shell-reducing positive-pressure leak test detection device | |
| CN117129162A (en) | Testing equipment and method for built-in damping electromagnetic valve of intelligent suspension system | |
| CN208076102U (en) | air tightness detecting system | |
| CN216669254U (en) | Multifunctional valve comprehensive test bench | |
| CN202770625U (en) | Portable and intelligent detection apparatus for safety valve | |
| CN201637555U (en) | Working table for detecting air tightness of air valve | |
| CN112903210A (en) | Dry-type air tightness detection test bed for punching and welding axle housing and process method thereof | |
| CN211527734U (en) | Air tightness detection device for disc type motor shell | |
| CN210664927U (en) | Airtightness detection work system | |
| CN218211827U (en) | Air tightness detection device of hydraulic cylinder in high-low pressure negative pressure state | |
| CN215931212U (en) | Detection tool for gas sealing leakage test of casting parts | |
| CN207717347U (en) | Multi-functional turbocharger housing detection device | |
| CN209961409U (en) | Air tightness testing machine | |
| CN217059164U (en) | Quick pressurizer of table handle subassembly | |
| CN105372011A (en) | Rapid detection equipment for auto part airtightness and detection method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |