CN106052972A - Bearing air leakage detection tool and bearing air leakage detection device comprising same - Google Patents
Bearing air leakage detection tool and bearing air leakage detection device comprising same Download PDFInfo
- Publication number
- CN106052972A CN106052972A CN201610578446.1A CN201610578446A CN106052972A CN 106052972 A CN106052972 A CN 106052972A CN 201610578446 A CN201610578446 A CN 201610578446A CN 106052972 A CN106052972 A CN 106052972A
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- China
- Prior art keywords
- lower mold
- bearing
- air
- upper mold
- rubber seal
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Classifications
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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
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/005—Sealing rings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a bearing air leakage detection tool, which comprises a lower die and an upper die matched on the lower die, wherein the lower die is internally provided with a lower die inner cavity matched with the outer diameter of a tested bearing; a first air inlet channel and a first air outlet channel are arranged in the lower die; the upper die is internally provided with an upper die inner cavity; and a second air inlet channel and a second air outlet channel are arranged in the upper die. The invention also discloses a bearing air leakage detection device comprising the tool. The air leakage detection tool of the invention can be used for detecting whether air leakage happens to a sealing piece of the tested bearing and detecting the sealing performance of a sealing circle on the outer ring surface of the bearing outer ring of the tested bearing.
Description
Technical field
The present invention relates to detect device technique field, particularly relate to a kind of bearing gas leakage detecting tool and include this frock
Bearing gas leak detection device.
Background technology
Along with the use field of bearing is extensive, increasing plant equipment needs bearing to have good sealing property.
Good sealing can make bearing keep out foreign object intrusion, decreases the Failure Factors of bearing, makes bearing life guarantee obtain
Improve；Make bearing normally can work at different working environments simultaneously.The sealing of bearing rely primarily on be arranged on inside and outside circle it
Between sealing ring realize, sealing ring plays dust-proof, waterproof, the effect of anti-gas-leak (under certain air pressure).Bearing factory is giving birth to
During product, usual dustproof groove is by turning out, although some lasso has at finishing operations makees polishing, but roughness
The biggest, in such sealing member, outer lip is in order to play dust-proof and anti-gas-leak effect, needs to be designed to interference fit, also simultaneously
The magnitude of interference that starting torque to be considered and the situation of friction torque, sealing lip and dustproof groove coordinate also to control in certain scope
In.Some high-end client (such as automobile industry) not only gas leakage to bearing simultaneously requires, and even requires at given gas
Pressure value and in the dwell time, the air leakage of bearing to control in certain scope, namely to the bearing purchased, produced
Air leakage carries out quantitative management control.The most how to develop and a kind of detect the device whether bearing leaks gas, to ensure bearing seal
In order, improve bearing quality, be current vast Production of bearing producer problem demanding prompt solution.
To this end, the Chinese patent of Patent No. 201420531508.X discloses a kind of sealing bearing leakage testing device,
Including air pressure valve, air accumulator, Bearing testing parts, atmospheric pressure induction apparatus and count table, this Bearing testing so that atmospheric pressure is aobvious
Parts are mainly used in whether the sealing member of test bearing exists gas leak phenomenon.
But for the sealing bearing that some are special, for example, see sealing bearing illustrated in fig. 1, it includes bearing outer ring
10, bearing inner race 20, the retainer 30 that is arranged between bearing outer ring 10 and bearing outer ring 20, some retainers 30 that is inlaid in
Ball 40 in ball pocket and be arranged between bearing outer ring 10 and bearing inner race 20 and be positioned at the sealing of both sides of retainer 30
Part 50a, 50b, on the outer ring surface of bearing outer ring 10, the axially spaced annular recess that offers, is embedded with close in each annular recess
Seal 60, sealing ring 60 so that between the outer ring surface of bearing outer ring 10 and the end face of contact component formed seal coordinate, with
Meet design requirement.Obviously, the Chinese patent of Patent No. 201420531508.X is disclosed seals bearing leakage testing device
Bearing testing parts cannot detect the sealing property of the sealing ring 60 on the outer ring surface of bearing outer ring 10.
To this end, applicant carried out useful exploration and trial, have found result of the above problems, will be detailed below being situated between
The technical scheme continued produces under this background.
Summary of the invention
One of the technical problem to be solved is: provide the one can not only for the deficiencies in the prior art
The sealing of the sealing member of detection bearing seal, and the sealing ring on the outer ring surface of bearing outer ring can also be detected simultaneously
The bearing gas leakage detecting tool of sealing property.
The two of the technical problem to be solved are: provide a kind of above-mentioned bearing gas leakage detecting tool of including
Bearing gas leak detection device.
Leak gas detecting tool as a kind of bearing of first aspect present invention, including lower mold and fit in described lower mold
Upper mold, it is characterised in that constitute in described lower mold and have a lower mold cavity matched with test bearing external diameter, in described lower mold
It is provided with a positioning convex column closed with test bearing diameter compatible on the bottom surface in chamber, the bottom surface of described lower mold cavity is positioned at institute
State and at the root of positioning convex column, be provided with one first rubber seal, on the bottom surface of described lower mold cavity in described lower mold
The side-walls in chamber is provided with one second rubber seal, and it is logical that the interior composition of described lower mold has one first inlet channel and one first to give vent to anger
Road, one end of described first inlet channel is positioned on the surface of described lower mold, and its other end extends to the end of described lower mold cavity
Face and between described first rubber seal and the second rubber seal, one end of described first outlet passageway is positioned at described
On the surface of lower mold, its other end extends to the bottom surface of described lower mold cavity and is positioned at described second rubber seal and lower mold
Between the sidewall in chamber；Constituting in described upper mold and have mold cavity on, described upper mold is towards being provided with one and institute on the end face of lower mold
Stating the 3rd rubber seal that the second rubber seal is corresponding, constituting in described upper mold has one second inlet channel and one second
Outlet passageway, one end of described second inlet channel is positioned on the surface of described upper mold, and its other end extends to described upper mold court
To the end face of lower mold and between described 3rd rubber seal and lower mold lateral margin, one end of described second outlet passageway is positioned at
On the surface of described upper mold, its other end and described upper mold inner space.
In a preferred embodiment of the invention, one the 4th rubber it is provided with between described lower mold and the junction of upper mold
Sealing ring.
As a kind of bearing gas leak detection device of second aspect present invention, including
One air pressure valve, described air pressure valve has an intake valve port and and gives vent to anger valve port, the intake valve port of described air pressure valve with
Gas supply mechanism connects；
One air accumulator, described air accumulator has an air inlet and a gas outlet, the air inlet of described air accumulator and air pressure valve
Give vent to anger valve port connect；
One for installing the bearing gas leakage detecting tool of test bearing, and described bearing gas leakage detecting tool goes out with air accumulator
QI KOU connects；And
The one atmospheric pressure induction apparatus and being arranged between described air accumulator and bearing gas leakage detecting tool is arranged on institute
State the aobvious number table of the atmospheric pressure on atmospheric pressure induction apparatus；It is characterized in that,
Described bearing gas leakage detecting tool is above-mentioned bearing gas leakage detecting tool, the of described bearing gas leakage detecting tool
One inlet channel and the second inlet channel gas outlet with described air accumulator respectively connects.
In a preferred embodiment of the invention, also include one for detecting the effusion meter of air leakage, described effusion meter
Detection port connect with described bearing gas leakage the first outlet passageway of detecting tool and the second outlet passageway respectively.
In a preferred embodiment of the invention, described air pressure valve is configured with an air gauge.
Owing to have employed technical scheme as above, the beneficial effects of the present invention is: the bearing gas leakage detection work of the present invention
Dress can detect whether the sealing member of test bearing exists gas leak phenomenon, can also detect the bearing outer ring of test bearing simultaneously
The sealing property of the sealing ring on outer ring surface.Effusion meter can detect the air leakage of test bearing, facilitates technical staff to test
Bearing improves.The good seal performance of the bearing gas leakage detecting tool of the present invention so that the data of bearing air-leakage test are more
Add accurately.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described.
Fig. 1 is the structural representation of existing bearing.
Fig. 2 is the structural representation of the bearing gas leak detection device of the present invention.
Fig. 3 is the schematic diagram after the loading bearing of the bearing gas leakage detecting tool of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Conjunction is specifically illustrating, and the present invention is expanded on further.
Seeing Fig. 2, the bearing gas leak detection device be given in figure, including air pressure valve 100, air accumulator 200, bearing gas leakage inspection
Survey frock 300, atmospheric pressure induction apparatus 400, atmospheric pressure aobvious number table 500 and effusion meter 600.
Air pressure valve 100 has an intake valve port 110 and and gives vent to anger and be provided with an air pressure on valve port 120, and air pressure valve 100
Table 130, the intake valve port 110 of air pressure valve 100 is connected with gas supply mechanism 700, and gas supply mechanism 700 provides air-flow for whole device,
Air pressure valve 100 can regulate the opening and closing of air-flow, it is also possible to the uninterrupted of regulation air-flow and air pressure size, air gauge
130 for detecting the air pressure size by air pressure valve 100.Air accumulator 200 has air inlet 210 and a gas outlet 220, a gas storage
The air inlet 210 of tank 200 is connected with the valve port 120 of giving vent to anger of air pressure valve 100, and the volume of air accumulator 200 is 300CC～400CC, excellent
Selection of land is 367CC.
Bearing gas leakage detecting tool 300 is used for installing test bearing 800, sees Fig. 3, and bearing gas leakage detecting tool 300 is excellent
Selection of land and the structure that is limited to absolutely not is as follows: lower mold 310 and upper mold 320, buckle, spiral shell can be passed through between lower mold 310 and upper mold 320
Some dismountable modes such as stricture of vagina connect.
Constitute in lower mold 310 and have a lower mold cavity 311 matched with test bearing 800 external diameter, the end of lower mold cavity 311
Being provided with a positioning convex column 312 closed with test bearing 800 diameter compatible on face, it is fixed to be positioned on the bottom surface of lower mold cavity 311
It is provided with one first rubber seal 330, near lower mold cavity on the bottom surface of lower mold cavity 311 at the root of position projection 312
The side-walls of 311 is provided with one second rubber seal 340.Constitute in lower mold 310 and have one first inlet channel 313 and one first
Outlet passageway 314, one end of the first inlet channel 313 is positioned on the surface of lower mold 310, and its other end extends to lower mold cavity
The bottom surface of 311 and between the first rubber seal 330 and the second rubber seal 340, one end of the first outlet passageway 314
Be positioned on the surface of lower mold 310, its other end extend to the bottom surface of lower mold cavity 311 and be positioned at the second rubber seal 340 with
Between the sidewall of lower mold cavity 311.
Constituting in upper mold 320 and have mold cavity 321 on, upper mold 320 is provided with one and second on the end face of lower mold 310
The 3rd rubber seal 350 that rubber seal 340 is corresponding, constitutes in upper mold 320 and has one second inlet channel 322 and one the
Two outlet passageways 323, one end of the second inlet channel 322 is positioned on the surface of upper mold 320, and its other end extends to upper mold 320
Towards the end face of lower mold 310 and between the 3rd rubber seal 350 and lower mold 310 lateral margin, the one of the second outlet passageway 323
End is positioned on the surface of upper mold 320, and its other end connects with upper mold cavity 321.
First inlet channel 313 of lower mold 310 and the second inlet channel 322 of upper mold 320 are by three way cock and gas storage
The gas outlet 220 of tank 200 connects.First outlet passageway 314 of lower mold 310 and the second outlet passageway 323 of upper mold 320 are by three
Pass joint is connected with the detection port 610 of effusion meter 600.
So that the sealing property of bearing gas leakage detecting tool 300 is more preferable, in the junction of lower mold 310 with upper mold 320
Between be provided with one the 4th rubber seal 360.
Atmospheric pressure induction apparatus 400 is arranged between air accumulator 200 and bearing gas leakage detecting tool 300, in order to detect storage
Air-flow whether is had, atmospheric pressure aobvious number table 500 and atmospheric pressure induction apparatus between gas tank 200 and bearing gas leakage detecting tool 300
400 connect, in order to show the air-flow barometer reading on atmospheric pressure induction apparatus 400.
The work process of the bearing gas leak detection device of the present invention is as follows:
First test bearing 800 is loaded in bearing gas leakage detecting tool 300, after opening air pressure valve 100 and adjust air pressure valve
100 to make air gauge 130 reading on air pressure valve 100 be 500mbar, and gas supply mechanism 700 is inflated in air accumulator 200, waits to store up
Air pressure valve 100 is closed after gas tank 200 is full of gas；Then, observe the pressure value change that atmospheric pressure shows on several table 500, see
The time of examining is about 10 minutes.If the pressure value that atmospheric pressure shows on several table 500 is more and more lower, i.e. pressure has loss, then say
There is gas leak phenomenon in the sealing ring on the sealing member of bright test bearing 800 or its outer ring surface, now, is read by effusion meter 600
Air leakage.It is not changed in if atmospheric pressure shows the pressure value on several table 500 or changes seldom, then test bearing is described
There is not gas leak phenomenon in the sealing ring on the sealing ring of 800 and its outer ring surface.
Claims (5)
1. bearing gas leakage detecting tool, including lower mold and fit in the upper mold in described lower mold, it is characterised in that described lower mold
Interior composition has a lower mold cavity matched with test bearing external diameter, the bottom surface of described lower mold cavity is provided with one and tests axle
Hold the positioning convex column that diameter compatible closes, the bottom surface of described lower mold cavity is positioned at the root of described positioning convex column and is provided with one
First rubber seal, on the bottom surface of described lower mold cavity, the side-walls near described lower mold cavity is provided with one second rubber
Sealing ring, constitutes in described lower mold and has one first inlet channel and one first outlet passageway, one end of described first inlet channel
Being positioned on the surface of described lower mold, its other end extends to the bottom surface of described lower mold cavity and is positioned at described first rubber seal
With second between rubber seal, one end of described first outlet passageway is positioned on the surface of described lower mold, and its other end extends
To the bottom surface of described lower mold cavity and between the sidewall of described second rubber seal and lower mold cavity；Structure in described upper mold
The upper mold cavity of Cheng Youyi, described upper mold is provided with one corresponding with described second rubber seal on the end face of lower mold
Three rubber seal, constitute in described upper mold and have one second inlet channel and one second outlet passageway, described second inlet channel
One end be positioned on the surface of described upper mold, its other end extends to the described upper mold end face towards lower mold and is positioned at the described 3rd
Between rubber seal and lower mold lateral margin, one end of described second outlet passageway is positioned on the surface of described upper mold, its other end
With described upper mold inner space.
2. bearing gas leakage detecting tool as claimed in claim 1, it is characterised in that between described lower mold and the junction of upper mold
It is provided with one the 4th rubber seal.
3. a bearing gas leak detection device, including
One air pressure valve, described air pressure valve has an intake valve port and and gives vent to anger valve port, the intake valve port of described air pressure valve and supply
Mechanism connects；
One air accumulator, described air accumulator has an air inlet and a gas outlet, and the air inlet of described air accumulator goes out with air pressure valve
Valve port while connects；
One for installing the bearing gas leakage detecting tool of test bearing, described bearing gas leakage detecting tool and the gas outlet of air accumulator
Connect；And
The one atmospheric pressure induction apparatus and being arranged between described air accumulator and bearing gas leakage detecting tool is arranged on described gas
Atmospheric pressure on pressure pressure induction apparatus aobvious number table；It is characterized in that,
Described bearing gas leakage detecting tool is bearing as claimed in claim 1 or 2 gas leakage detecting tool, the gas leakage inspection of described bearing
Survey the first inlet channel of frock and the second inlet channel gas outlet respectively with described air accumulator to connect.
4. bearing gas leak detection device as claimed in claim 3, it is characterised in that also include for detecting the stream of air leakage
Gauge, the port first outlet passageway and second respectively with described bearing gas leakage detecting tool that detects of described effusion meter is given vent to anger logical
Road connects.
5. bearing gas leak detection device as claimed in claim 3, it is characterised in that be configured with an air pressure on described air pressure valve
Table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578446.1A CN106052972A (en) | 2016-07-19 | 2016-07-19 | Bearing air leakage detection tool and bearing air leakage detection device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578446.1A CN106052972A (en) | 2016-07-19 | 2016-07-19 | Bearing air leakage detection tool and bearing air leakage detection device comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106052972A true CN106052972A (en) | 2016-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610578446.1A Pending CN106052972A (en) | 2016-07-19 | 2016-07-19 | Bearing air leakage detection tool and bearing air leakage detection device comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106052972A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768707A (en) * | 2017-01-11 | 2017-05-31 | 广州番禺旭东阪田电子有限公司 | A kind of products air tightness detection means |
| CN109027664A (en) * | 2018-07-13 | 2018-12-18 | 国网安徽省电力有限公司检修分公司 | A kind of online supplementing method for air of SF6 electrical equipment |
| CN109827720A (en) * | 2019-04-02 | 2019-05-31 | 深圳市顺源精密机械有限公司 | A kind of air curtain test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090205408A1 (en) * | 2005-12-15 | 2009-08-20 | Volovo Lastvagnar Ab | Method for detecting clutch cylinder leakage |
| CN203772498U (en) * | 2014-04-11 | 2014-08-13 | 苏州纽威阀门股份有限公司 | Multifunctional seal ring leak detection device |
| CN204085818U (en) * | 2014-09-16 | 2015-01-07 | 宁波慈兴轴承有限公司 | Sealing bearing leakage testing device |
| CN204479247U (en) * | 2015-04-03 | 2015-07-15 | 人本集团有限公司 | The bearing frock of bearing gas leakage checkout equipment |
-
2016
- 2016-07-19 CN CN201610578446.1A patent/CN106052972A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090205408A1 (en) * | 2005-12-15 | 2009-08-20 | Volovo Lastvagnar Ab | Method for detecting clutch cylinder leakage |
| CN203772498U (en) * | 2014-04-11 | 2014-08-13 | 苏州纽威阀门股份有限公司 | Multifunctional seal ring leak detection device |
| CN204085818U (en) * | 2014-09-16 | 2015-01-07 | 宁波慈兴轴承有限公司 | Sealing bearing leakage testing device |
| CN204479247U (en) * | 2015-04-03 | 2015-07-15 | 人本集团有限公司 | The bearing frock of bearing gas leakage checkout equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768707A (en) * | 2017-01-11 | 2017-05-31 | 广州番禺旭东阪田电子有限公司 | A kind of products air tightness detection means |
| CN109027664A (en) * | 2018-07-13 | 2018-12-18 | 国网安徽省电力有限公司检修分公司 | A kind of online supplementing method for air of SF6 electrical equipment |
| CN109827720A (en) * | 2019-04-02 | 2019-05-31 | 深圳市顺源精密机械有限公司 | A kind of air curtain test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171009 Address after: 315300, No. 188, Xinxing Road, hi tech Industrial Development Zone, Zhejiang, Ningbo, Cixi Applicant after: Cixing Group Co., Ltd. Address before: 315300, No. 188, Xinxing Road, hi tech Industrial Development Zone, Zhejiang, Ningbo, Cixi Applicant before: Ningbo Cixing Precision Transmission Technology Co. Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |
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| RJ01 | Rejection of invention patent application after publication |