CN107727336A - A kind of oil sump air tightness test platform and its operating method - Google Patents
A kind of oil sump air tightness test platform and its operating method Download PDFInfo
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- CN107727336A CN107727336A CN201711222651.5A CN201711222651A CN107727336A CN 107727336 A CN107727336 A CN 107727336A CN 201711222651 A CN201711222651 A CN 201711222651A CN 107727336 A CN107727336 A CN 107727336A
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- China
- Prior art keywords
- oil sump
- fixed
- plate
- sealing
- air tightness
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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
- G01M3/32—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 for containers, e.g. radiators
- G01M3/3236—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 for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—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 for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of oil sump air tightness test platform and its operating method, including instrument casing, universal wheel, testboard, test box, start button, clamping fixture seat, support frame, fixed plate, inlet box, inlet plate, sealing plate, connecting plate, tracheae, cylinder, pressure transmitter, suction nozzle, sealing strip, three linked piece and magnetic valve.The beneficial effects of the invention are as follows：Cylinder has two and two cylinders are side-by-side, it can prevent sealing plate from being rocked everywhere when moving up and down, two symmetrical start buttons and two start button series connection are fixed with testboard, ensure that two hands of operator are all working, so that its hand will not be held down, the surrounding of sealing plate bottom end face is fixed with the sealing strip of a circle quality of rubber materials, so that the sealing in detection inside oil sump is good, being provided with test box can be according to the good and bad leak detector of air pressure automatic decision, the data obtained by test can be got information about and whether observe tested device qualified.
Description
Technical field
The present invention relates to a kind of air tightness test platform, specially a kind of oil sump air tightness test platform and its operating method,
Belong to industrial detection apparatus field.
Background technology
Oil sump is the lower half of crankcase, also known as lower crankcase.Effect is closed crankcase as the outer of oil storage tank
Shell, prevent impurity from entering, and collect and store the lubricating oil flowed back to by each friction surface of diesel engine, disperse partial heat, prevent
Oil ageing, thus it is more safe when in use for the oil sump of automobile, prevent the phenomenon of oil sump gas leak of the oil leakage from going out
It is existing, so the oil sump of automobile must carry out air tightness test when dispatching from the factory, because oil pan structure is complex, and oily bottom
Multiple holes are offered on shell, therefore the detection for the air-tightness of oil sump is relatively difficult, existing detection mode is to pass through people
Work detects, manually very big come the difficulty that is detected to the air-tightness of oil sump, and the situation of error detection often occurs, not only
Efficiency is low, and the cost of artificial detection is high.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of oil sump air tightness test platform and its behaviour
Make method.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of oil sump air tightness test platform, including instrument
Casing, universal wheel, testboard, test box, start button, clamping fixture seat, support frame, fixed plate, inlet box, inlet plate, sealing plate,
Connecting plate, tracheae, cylinder, pressure transmitter, suction nozzle, sealing strip, three linked piece and magnetic valve；The instrument bottom half is set
There is the universal wheel of four rollings, the instrument casing upper end is fixed with testboard, and the instrument body side is fixed with test box,
Two can be fixed with symmetrically according to the leak detector of air pressure automatic decision quality by being provided with the test box on a testboard
Start button and the series connection of two start buttons, the start button and test box electrical connection, the testboard be fixedly arranged in the middle of
Clamping fixture seat, the plastics fixed column of multiple stationary fixtures being installed on the clamping fixture seat, the testboard surrounding is fixed with support frame,
Support frame as described above upper end is fixed with fixed plate, and inlet box is fixed with the dead plate upper end face, and the inlet box side is fixed
There is inlet plate, connecting plate is fixed with the sealing plate, the fixed plate is fixedly arranged in the middle of cylinder, and the cylinder has two and two
Individual cylinder is side-by-side, and the cylinder and test box are electrically connected, and the other end of the cylinder is connected on connecting plate,
The surrounding of the sealing plate bottom end face is fixed with the sealing strip of a circle quality of rubber materials, and pressure inverting is fixed with the sealing plate
Device and suction nozzle, the pressure transmitter and test box are electrically connected, and the suction nozzle is connected to by tracheae and cylinder
Together, the tracheae on the cylinder is connected through inlet box with inlet plate, and three are provided with the tracheae inside the inlet box
Join part and magnetic valve.
Further, in order to prevent sealing plate from being rocked everywhere when moving up and down, the cylinder has two and two
Cylinder is side-by-side.
Further, in order to ensure that the two of operator hands are all working, two are fixed with the testboard symmetrically
Start button and two start button series connection.
Further, in order to which the surrounding of the sealing plate bottom end face is fixed with the sealing strip of a circle quality of rubber materials.
Further, in order that the sealing obtained in detection inside oil sump is good, it is provided with the clamping fixture seat more
The plastics fixed column of individual stationary fixture.
Further, in order to get information about the data obtained by test, being provided with the test box can root
According to the good and bad leak detector of air pressure automatic decision.
Further, in order that testboard conveniently moving, the instrument bottom half be provided with four rolling it is universal
Wheel.
Further, the operating method of the oil sump air tightness test platform is made up of following steps：
1), the fixture of oil sump is arranged on clamping fixture seat, then upper gas source pipe is connected to inlet plate, then to test box
Company connects with the mains；
2) and check whether bleed pressure is normal, bleed pressure should be not more than 0.6Mpa, if the pressure of source of the gas is abnormal
Three linked piece is adjusted, after the completion of adjusting first, later normal start does not have to adjust again, and the filtering discharge outlet of three linked piece is drawn with flexible pipe
To the place of safety.
3) main power switch on test box, is opened, turns on the power key switch, opens the leak detector power supply on test box
Switch, leak detector power supply indicator is bright, waits leak detector to start；
4), take an oil sump to be measured to be placed on clamping fixture seat to obtain on fixture；
5), both hands press the switch of two start buttons, and now sealing plate, which can decline, props up oil sump to be measured, oil sump
Between can be formed sealing space and suction nozzle toward inflating in the space；
6), pressure transmitter detects the pressure inside oil sump and transfers data to leak detector, judges oil by leak detector
The sealing property of drain pan and whether it qualified and show.
7), both hands unclamp the switch of two start buttons, and sealing plate is reset to detect next time and prepared.
The beneficial effects of the invention are as follows：Oil sump air tightness test platform structure connection is compact, uses simple, design conjunction
Reason, cylinder has two and two cylinders are side-by-side, can prevent sealing plate from being rocked everywhere when moving up and down, ensure simultaneously
Sealing plate is moved up and down more smooth, and two symmetrical start buttons and two start button series connection are fixed with testboard,
Ensure that two hands of operator are all working so that its hand will not be held down, and be operated more safe, sealing plate bottom
The surrounding of end face is fixed with the sealing strip of a circle quality of rubber materials so that the sealing in detection inside oil sump is good, prevents
The phenomenon of gas leakage occurs so as to ensure the accuracy of detection, while also oil sump to be detected can be protected not to be subject to crushing, fixture
The plastics fixed column of multiple stationary fixtures is installed on seat, prevents fixture from sliding so that oil sump fixture is fixed more steady
Fixed, being provided with test box be able to can get information about obtained by testing according to the good and bad leak detector of air pressure automatic decision
Data simultaneously observe whether tested device is qualified, and instrument bottom half is provided with the universal wheel of four rollings so that testboard moves
It is convenient, it is strong to increase its flexibility.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is sealing plate structure schematic diagram of the present invention；
Fig. 3 is inlet box internal structure schematic diagram of the present invention；
In figure：1st, instrument casing, 2, universal wheel, 3, testboard, 4, test box, 5, start button, 6, clamping fixture seat, 7, support
Frame, 8, fixed plate, 9, inlet box, 10, inlet plate, 11, sealing plate, 12, connecting plate, 13, tracheae, 14, cylinder, 15, pressure becomes
Send device, 16, suction nozzle, 17, sealing strip, 18, three linked piece, 19, magnetic valve.
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 describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-3, a kind of oil sump air tightness test platform and its operating method, including instrument casing 1, universal wheel 2,
Testboard 3, test box 4, start button 5, clamping fixture seat 6, support frame 7, fixed plate 8, inlet box 9, inlet plate 10, sealing plate 11,
Connecting plate 12, tracheae 13, cylinder 14, pressure transmitter 15, suction nozzle 16, sealing strip 17, three linked piece 18 and magnetic valve 19；It is described
The bottom of instrument casing 1 is provided with the universal wheel 2 of four rollings, and the upper end of instrument casing 1 is fixed with testboard 3, the instrument
The side of casing 1 is fixed with test box 4, and being provided with the test box 4 can be according to the good and bad leak detector of air pressure automatic decision, institute of institute
State and two symmetrical start buttons 5 are fixed with testboard 3 and two start buttons 5 are connected, the start button 5 and test box
4 electrical connections, the testboard 3 are fixedly arranged in the middle of clamping fixture seat 6, and the plastics that multiple stationary fixtures are provided with the clamping fixture seat 6 are consolidated
Fixed column, the surrounding of testboard 3 are fixed with support frame 7, and the upper end of support frame as described above 7 is fixed with fixed plate 8, in the fixed plate 8
Inlet box 9 is fixed with end face, the side of inlet box 9 is fixed with inlet plate 10, connecting plate is fixed with the sealing plate 11
12, the fixed plate 8 is fixedly arranged in the middle of cylinder 13, and the cylinder 14 has two and two cylinders are side-by-side, the cylinder
13 and test box 4 be electrically connected, the other end of the cylinder 13 is connected on connecting plate 12, the bottom end of sealing plate 11
The surrounding in face is fixed with the sealing strip 17 of a circle quality of rubber materials, and pressure transmitter 15 and suction nozzle are fixed with the sealing plate 11
16, the pressure transmitter 15 and test box 4 are electrically connected, and the suction nozzle 17 is connected to by tracheae 13 and cylinder 14
Together, the tracheae 13 on the cylinder 14 is connected through inlet box 9 with inlet plate 10, the tracheae 13 inside the inlet box 9
On three linked piece 18 and magnetic valve 19 are installed.
A kind of technical optimization scheme as the present invention：The cylinder 14 has two and two cylinders are side-by-side；Institute
State and two symmetrical start buttons 5 are fixed with testboard 3 and two start buttons 5 are connected；The bottom end face of sealing plate 11
Surrounding be fixed with the sealing strip 17 of a circle quality of rubber materials；The plastics that multiple stationary fixtures are provided with the clamping fixture seat 6 are fixed
Post；Being provided with the test box 4 can be according to the good and bad leak detector of air pressure automatic decision；The bottom of instrument casing 1 is provided with
The universal wheel 2 of four rollings.
The operating method of the oil sump air tightness test platform is made up of following steps：
1), the fixture of oil sump is arranged on clamping fixture seat 6, then upper gas source pipe is connected to inlet plate 10, then to survey
Examination case 4 is even connected with the mains；
2) and check whether bleed pressure is normal, bleed pressure should be not more than 0.6Mpa, if the pressure of source of the gas is abnormal
Three linked piece 18 is adjusted, after the completion of adjusting first, later normal start does not have to adjust again, and the filtering discharge outlet of three linked piece 18 is with soft
Pipe guides to safe place.
3) main power switch on test box 4, is opened, turns on the power key switch, opens the leak detector electricity on test box 4
Source switch, leak detector power supply indicator is bright, waits leak detector to start；
4), take an oil sump to be measured to be placed on clamping fixture seat 6 to obtain on fixture；
5), both hands press the switch of two start buttons 5, and now sealing plate 11, which can decline, props up oil sump to be measured, oil
The space of sealing can be formed between drain pan and suction nozzle 16 is toward inflating in the space；
6), pressure transmitter 15 detects the pressure inside oil sump and transfers data to leak detector, is judged by leak detector
The sealing property of oil sump and whether it qualified and show.
7), both hands unclamp the switch of two start buttons 5, and sealing plate 11 is reset to detect next time and prepared.
In the use of the present invention, the fixture of oil sump is arranged on clamping fixture seat first, then upper gas is connected to inlet plate
Source capsule, then even connected with the mains to test box, reexamine whether bleed pressure is normal, three are adjusted if the pressure of source of the gas is abnormal
Join part, open the main power switch on test box, and open the leak detector power switch on test box, then take an oil to be measured
Drain pan is placed on clamping fixture seat and obtained on fixture,
Both hands press the switch of two start buttons, you can start to detect, the sealing of oil sump is finally judged by leak detector
Performance and whether it qualified and show, then both hands unclamp the switch of two start buttons, and sealing plate is reset to down
One-time detection is prepared.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
- A kind of 1. oil sump air tightness test platform, it is characterised in that：Including instrument casing (1), universal wheel (2), testboard (3), Test box (4), start button (5), clamping fixture seat (6), support frame (7), fixed plate (8), inlet box (9), inlet plate (10), sealing Plate (11), connecting plate (12), tracheae (13), cylinder (14), pressure transmitter (15), suction nozzle (16), sealing strip (17), three Part (18) and magnetic valve (19)；Instrument casing (1) bottom is provided with universal wheel (2), and instrument casing (1) upper end is fixed There is testboard (3), instrument casing (1) side is fixed with test box (4), start button is provided with the testboard (3) (5), the start button (5) and test box (4) electrical connection, the testboard (3) are fixedly arranged in the middle of clamping fixture seat (6), the survey Test stand (3) surrounding is fixed with support frame (7), and support frame as described above (7) upper end is fixed with fixed plate (8), fixed plate (8) upper end Inlet box (9) is fixed with face, inlet box (9) side is fixed with inlet plate (10), is fixed with the sealing plate (11) Connecting plate (12), the fixed plate (8) are fixedly arranged in the middle of cylinder (13), and the cylinder (13) and test box (4) are connected electrically in one Rise, the other end of the cylinder (13) is connected on connecting plate (12), and the bottom of the sealing plate (11) is provided with sealing strip (17) pressure transmitter (15) and suction nozzle (16), the pressure transmitter (15) and survey, are fixed with the sealing plate (11) Examination case (4) is electrically connected, and the suction nozzle (17) is linked together by tracheae (13) and cylinder (14), the cylinder (14) tracheae (13) on is connected through inlet box (9) with inlet plate (10), on the internal tracheae (13) of the inlet box (9) Three linked piece (18) and magnetic valve (19) are installed.
- A kind of 2. oil sump air tightness test platform according to claim 1, it is characterised in that：The cylinder (14) has two And two cylinders are side-by-side.
- A kind of 3. oil sump air tightness test platform according to claim 1, it is characterised in that：It is solid on the testboard (3) Surely there are two symmetrical start buttons (5) and two start button (5) series connection.
- A kind of 4. oil sump air tightness test platform according to claim 3, it is characterised in that：Sealing plate (11) bottom The surrounding of end face is fixed with the sealing strip (17) of a circle quality of rubber materials.
- A kind of 5. oil sump air tightness test platform according to claim 1, it is characterised in that：Pacify on the clamping fixture seat (6) Plastics fixed column equipped with multiple stationary fixtures.
- A kind of 6. oil sump air tightness test platform according to claim 1, it is characterised in that：Pacify on the test box (4) Equipped with can be according to the good and bad leak detector of air pressure automatic decision.
- A kind of 7. oil sump air tightness test platform according to claim 1, it is characterised in that：Instrument casing (1) bottom Portion is provided with the universal wheel (2) of four rollings.
- A kind of 8. operating method of oil sump air tightness test platform, it is characterised in that：The behaviour of the oil sump air tightness test platform Make method to be made up of following steps：1), the fixture of oil sump is arranged on clamping fixture seat (6), then to gas source pipe in inlet plate (10) connection, then to survey Examination case (4) is even connected with the mains；2) and check whether bleed pressure is normal, bleed pressure should be not more than 0.6Mpa, be adjusted if the pressure of source of the gas is abnormal Three linked piece (18), after the completion of adjusting first, later normal start does not have to adjust again, and the filtering discharge outlet of three linked piece (18) is with soft Pipe guides to safe place.3) main power switch on test box (4), is opened, turns on the power key switch, opens the leak detector electricity on test box (4) Source switch, leak detector power supply indicator is bright, waits leak detector to start；4), take an oil sump to be measured be placed on clamping fixture seat (6) on fixture；5), both hands press the switch of two start buttons (5), and now sealing plate (11), which can decline, props up oil sump to be measured, oil It can be formed in the space of sealing and the past space of suction nozzle (16) and inflated between drain pan；6), pressure transmitter (15) detects the pressure inside oil sump and transfers data to leak detector, judges oil by leak detector The sealing property of drain pan and whether it qualified and show.7), both hands unclamp the switch of two start buttons (5), and sealing plate (11), which is reset to detect next time, prepares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222651.5A CN107727336A (en) | 2017-11-29 | 2017-11-29 | A kind of oil sump air tightness test platform and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222651.5A CN107727336A (en) | 2017-11-29 | 2017-11-29 | A kind of oil sump air tightness test platform and its operating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727336A true CN107727336A (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711222651.5A Pending CN107727336A (en) | 2017-11-29 | 2017-11-29 | A kind of oil sump air tightness test platform and its operating method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238578A (en) * | 2018-11-14 | 2019-01-18 | 广东指护户外装备科技有限公司 | A kind of waterproof boots leak detecting device and test method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0358233A1 (en) * | 1988-09-09 | 1990-03-14 | IVECO FIAT S.p.A. | Method and device for checking the valve and piston ring sealing in an internal combusion engine |
| JPH07140030A (en) * | 1993-11-18 | 1995-06-02 | Musashino Kiki Kk | Leaking-oil detecting apparatus |
| CN202119597U (en) * | 2011-06-07 | 2012-01-18 | 宁波裕隆汽车制泵有限公司 | Tooling used for testing gas tightness of cylinder head cover |
| CN202177493U (en) * | 2011-07-19 | 2012-03-28 | 浙江吉利汽车研究院有限公司 | Oil sump housing sealing detection apparatus |
| CN202582857U (en) * | 2012-05-10 | 2012-12-05 | 合肥冉坤自动化技术有限公司 | Automotive oil pan airtight differential pressure leakage detection device |
| CN102818685A (en) * | 2012-07-11 | 2012-12-12 | 马恒达悦达（盐城）拖拉机有限公司 | Air-tight test testing system of tractor tank |
| CN105258866A (en) * | 2015-09-22 | 2016-01-20 | 宁波神通模塑有限公司 | Test equipment for automotive plastic oil sump |
-
2017
- 2017-11-29 CN CN201711222651.5A patent/CN107727336A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0358233A1 (en) * | 1988-09-09 | 1990-03-14 | IVECO FIAT S.p.A. | Method and device for checking the valve and piston ring sealing in an internal combusion engine |
| JPH07140030A (en) * | 1993-11-18 | 1995-06-02 | Musashino Kiki Kk | Leaking-oil detecting apparatus |
| JP2598222B2 (en) * | 1993-11-18 | 1997-04-09 | ムサシノ機器株式会社 | Oil leak detection device |
| CN202119597U (en) * | 2011-06-07 | 2012-01-18 | 宁波裕隆汽车制泵有限公司 | Tooling used for testing gas tightness of cylinder head cover |
| CN202177493U (en) * | 2011-07-19 | 2012-03-28 | 浙江吉利汽车研究院有限公司 | Oil sump housing sealing detection apparatus |
| CN202582857U (en) * | 2012-05-10 | 2012-12-05 | 合肥冉坤自动化技术有限公司 | Automotive oil pan airtight differential pressure leakage detection device |
| CN102818685A (en) * | 2012-07-11 | 2012-12-12 | 马恒达悦达（盐城）拖拉机有限公司 | Air-tight test testing system of tractor tank |
| CN105258866A (en) * | 2015-09-22 | 2016-01-20 | 宁波神通模塑有限公司 | Test equipment for automotive plastic oil sump |
Non-Patent Citations (1)
| Title |
|---|
| 王玉元: "《安全工程师手册》", 31 December 1995, 四川人民出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238578A (en) * | 2018-11-14 | 2019-01-18 | 广东指护户外装备科技有限公司 | A kind of waterproof boots leak detecting device and test method |
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Application publication date: 20180223 |
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