CN105043691B - A kind of automatic transmission casing oil duct air-tightness detection tool - Google Patents
A kind of automatic transmission casing oil duct air-tightness detection tool Download PDFInfo
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- CN105043691B CN105043691B CN201510564203.8A CN201510564203A CN105043691B CN 105043691 B CN105043691 B CN 105043691B CN 201510564203 A CN201510564203 A CN 201510564203A CN 105043691 B CN105043691 B CN 105043691B
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- oil duct
- sprue
- bearing hole
- guide pillar
- automatic transmission
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Abstract
The invention discloses a kind of automatic transmission casing oil duct air-tightness detection tool, bottom sprue including being installed on bottom plate, top blocking component includes the top cover fitted with housing, the guide pillar for being socketed on the collar of bearing hole and top cover being slidably mounted on by slide guide part, and guide pillar is close to or with the direction away from bearing hole relative to the glide direction of top cover；The periphery of collar offers via, and guide pillar is circumferentially provided with sprue, flexible part between sprue and collar, and elastic component, when under guide pillar compressing being in compressive state, sprue is through via and is plugged in the oil duct being connected with bearing hole.So, the oil duct connected with bearing hole realized by the effect of closure is blocked, so that in the case where a plurality of oil duct is communicated with same bearing hole, realize the independent closure of oil hole at this, there is flase drop when insertion phenomenon occurs in oil duct so as to avoid, improve the reliability of testing result, it is to avoid quality risk.
Description
Technical field
The present invention relates to detection device technical field, more particularly to a kind of automatic transmission casing oil duct air-leakage test work
Dress.
Background technology
Gear box casing is the carrier of whole gearbox, there is a plurality of oil duct that passage is provided for hydraulic pressure, lubrication thereon.For
Ensure the strict sealing of housing oil duct, need to carry out sealing propertytest (i.e. leak test) to housing before assembling.Current row is commonly used in the trade
Method for conducting leak test has air-leakage test and fluid tight detection, and air-leakage test is convenient because gaseous mediums are obtained and uses ground
It is more extensive.Each openend of oil duct need to effectively be blocked during air-leakage test, then can just be inflated measurement.
The gear box casing of situation is communicated with same bearing hole for there is a plurality of oil duct, individually closure is more stranded oilhole
Difficulty, is merely able to using structure as shown in Figure 1 to carrying out detecting after overall closure at bearing hole, that is, utilizes upper plugging plate 11, lower stifled
Plate 12 blocks bearing hole 13, is then filled with detection gas using gas tube 14, and detects current gas pressure by air pressure detection pipe 15,
To judge whether to meet air-tightness requirement.But, by way of the unified closure of existing bearing hole, it is impossible to judge oil hole at this
The phenomenon being mutually communicated with the presence or absence of oil duct, so as to cause flase drop, influences the reliability of testing result, and there is quality risk.
Therefore it provides a kind of automatic transmission casing oil duct air-tightness detection tool, in a plurality of oil duct and same axle
In the case that bearing bore is communicated, the independent closure of oil hole at this is realized, so as to avoid missing when insertion phenomenon occurs in oil duct
Inspection, improves the reliability of testing result, it is to avoid quality risk, just turns into those skilled in the art's urgent problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of automatic transmission casing oil duct air-tightness detection tool, in a plurality of oil duct
In the case of being communicated with same bearing hole, the independent closure of oil hole at this is realized, so as to avoid insertion phenomenon occur in oil duct
When there is flase drop, improve the reliability of testing result, it is to avoid quality risk.
To achieve these goals, the present invention provides a kind of automatic transmission casing oil duct air-tightness detection tool, including
Bottom plate, the multiple plugging blocks for being installed on the bottom plate, and the gas tube being plugged in respectively in each oil hole, each plugging block
On be mounted on the first air pressure detection pipe, in addition to be installed on the bottom sprue of the bottom plate, and coordinate with the bottom sprue
Block the top blocking component of bearing hole；Second air pressure detection pipe, the top blocking component are installed on the bottom sprue
Including fitted with housing top cover, be socketed on the collar of the bearing hole and the top cover be slidably mounted on by slide guide part
Guide pillar, the guide pillar is close to or away from the direction of the bearing hole relative to the glide direction of the top cover；The collar
Periphery offer via, the guide pillar is circumferentially provided with sprue, flexible part between the sprue and the collar, and institute
Elastic component is stated when being in compressive state under the guide pillar is oppressed, the sprue is through the via and is plugged in and the bearing
In the oil duct that hole is connected.
Preferably, the slide guide part is that screw thread via is offered on leading screw, the top cover, the leading screw and the screw thread mistake
Hole is meshed, and the guide pillar is arranged at the leading screw close to one end of the bearing hole.
Preferably, the top cover is stretched in outside the one end of the leading screw away from the bearing hole, and is provided with its overhanging section
Steering operation bar.
Preferably, the guide pillar is the frustum of a cone, and the frustum of a cone small end towards the bearing hole.
Preferably, it is provided with oil sealing between the inner ring of the collar and the guide pillar.
Preferably, the guide pillar and the leading screw are integral type structure.
Preferably, the elastic component is linear springs, and one end of the linear springs is resisted against the sprue, its other end
It is resisted against the collar.
Preferably, one few compared with the oil duct quantity being connected with the bearing hole of the number of the sprue, and with the oil
Road, which is corresponded, to be set.
Automatic transmission casing oil duct air-tightness detection tool provided by the present invention includes bottom plate, is installed on the bottom plate
Multiple plugging blocks, and the gas tube being plugged in respectively in each oil hole is mounted on the first air pressure in each plugging block
Detection pipe；Also include the bottom sprue for being installed on the bottom plate, and coordinate the top of closure bearing hole to seal with the bottom sprue
Blocking component；Second air pressure detection pipe is installed, the top blocking component includes what is fitted with housing on the bottom sprue
Top cover, the collar for being socketed on the bearing hole and the guide pillar that the top cover is slidably mounted on by slide guide part, the guide pillar are relative
In the top cover glide direction be close to or with away from the bearing hole direction；The periphery of the collar was offered
Hole, the guide pillar is circumferentially provided with sprue, flexible part between the sprue and the collar, and the elastic component is described
When being in compressive state under guide pillar compressing, the sprue is through the via and is plugged in the oil duct being connected with the bearing hole
It is interior.
In the course of the work, part to be measured is placed in frock, top cover is placed on housing, and with the outer surface phase of housing
Laminating, bearing hole is blocked by bottom sprue and top blocking component, and collar is placed in bearing hole, and driving slide guide part, which drives, leads
Post move to close to the direction of bearing hole, and is inserted afterwards in collar in place in motion, so as to promote sprue to overcome the bullet of elastic component
Power enters in corresponding oil duct, realizes the closure of the oil duct；So, the oil duct connected with bearing hole realized by the effect of closure
Closure so that in the case where a plurality of oil duct is communicated with same bearing hole, the independent closure of oil hole at this is realized, so as to keep away
Exempt from flase drop occur when insertion phenomenon occurs in oil duct, improve the reliability of testing result, it is to avoid quality risk.
In a preferred embodiment, automatic transmission casing oil duct air-tightness detection tool provided by the present invention
In, its slide guide part is to offer screw thread via on leading screw, the top cover, and the leading screw is meshed with the screw thread via, described
Guide pillar is arranged at the leading screw close to one end of the bearing hole；In the course of the work, engaging using leading screw and screw thread via,
Axial movement of the leading screw relative to top cover is realized, so as to drive guide pillar to be moved to the direction close to or away from bearing hole, is used
The mode of leading screw slide guide is simple in construction, and is easily installed debugging, and structural stability is higher.
In another preferred embodiment, in automatic transmission casing oil duct gas provided by the present invention, its guide pillar
For the frustum of a cone, and the frustum of a cone small end towards the bearing hole, so, when guide pillar is acted on sprue, can pass through
Its inclined lateral wall provides slide guide for sprue motion, sprue is gradually inserted oil during being moved along guide pillar lateral wall
Road, it is ensured that the smooth stretching of sprue, it is to avoid clamping stagnation.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of use state figure of typical detecting tool in the prior art；
Fig. 2 is a kind of structural representation of embodiment of detecting tool provided by the present invention；
Fig. 3 is the explosive view of detecting tool shown in Fig. 2.
Fig. 4 is a kind of structural representation of embodiment of upper blocking component in detecting tool shown in Fig. 2；
Fig. 5 is the explosive view of upper blocking component shown in Fig. 4；
Fig. 6 is the use state figure of detecting tool shown in Fig. 2.
Description of reference numerals：
In Fig. 1：11- upper plugging plate 12- lower plugging plate 13- bearing hole 14- gas tube 15- air pressure detection pipes
In Fig. 2-Fig. 6：21- bottom plate 22- plugging block 23- gas tubes 24- the first air pressure detection pipe 25- bottoms sprue
26- the second air pressure detection pipe 271- top cover 272- collar 273- guide pillar 274- sprue 275- leading screw 276- steering operation bars
277- oil sealings
Embodiment
The core of the present invention is to provide a kind of automatic transmission casing oil duct air-tightness detection tool, in a plurality of oil duct
In the case of being communicated with same bearing hole, the independent closure of oil hole at this is realized, so as to avoid insertion phenomenon occur in oil duct
When there is flase drop, improve the reliability of testing result, it is to avoid quality risk.
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair
It is bright to be further detailed.
Fig. 2 and Fig. 3 are refer to, Fig. 2 is a kind of structural representation of embodiment of detecting tool provided by the present invention
Figure；Fig. 3 is the explosive view of detecting tool shown in Fig. 2.
In a kind of embodiment, automatic transmission casing oil duct air-tightness detection tool bag provided by the present invention
Include bottom plate 21, be installed on multiple plugging blocks 22 of the bottom plate 21, and the gas tube 23 being plugged in respectively in each oil hole, respectively
The first air pressure detection pipe 24 is mounted in the plugging block 22；Also include the bottom sprue 25 for being installed on the bottom plate 21, and
Coordinate the top blocking component of closure bearing hole with the bottom sprue 25；The inspection of second air pressure is installed on the bottom sprue 25
Test tube, the top blocking component include fitted with housing top cover 271, be socketed on the collar of the bearing hole and by leading
Saddle is slidably mounted on the guide pillar 273 of the top cover 271, the guide pillar 273 relative to the glide direction of the top cover 271 be by
Direction near or away from the bearing hole；The periphery of the collar 272 offers via, the guide pillar 273 it is circumferentially disposed
There are sprue 274, flexible part between the sprue 274 and the collar 272, and the elastic component to be oppressed in the guide pillar 273
When being in compressive state down, the sprue 274 is through the via and is plugged in the oil duct being connected with the bearing hole.
It is apparent that the shape of above-mentioned sprue 274 should match with the shape of oil hole to be blocked, so as to completely
Oil hole is sealed, sealing characteristics is improved.
In the course of the work, part to be measured is placed in frock, top cover 271 is placed on housing, and with the appearance of housing
Face is fitted, and bearing hole is blocked by bottom sprue 25 and top blocking component, and collar 272 is placed in bearing hole, and driving is led
Saddle drives guide pillar 273 to be moved to the direction close to bearing hole, and is inserted afterwards in collar 272 in place in motion, so as to promote stifled
Block 274 overcomes the elastic force of elastic component to enter in corresponding oil duct, realizes the closure of the oil duct；So, realized by the effect of closure
The oil duct connected with bearing hole closure so that in the case where a plurality of oil duct is communicated with same bearing hole, realize at this oil
, there is flase drop so as to avoid when insertion phenomenon occurs in oil duct in the independent closure in road hole, improves the reliability of testing result,
Avoid quality risk.
Specifically, as shown in Figure 4 and Figure 5, above-mentioned slide guide part is to offer screw thread mistake on leading screw 275, the top cover 271
Hole, the leading screw 275 is meshed with the screw thread via, and the guide pillar 273 is arranged at the leading screw 275 close to the bearing hole
One end；In the course of the work, engaging using leading screw 275 and screw thread via, realizes axle of the leading screw 275 relative to top cover 271
To motion, so that drive guide pillar 273 to be moved to the direction close to or away from bearing hole, the knot by the way of the slide guide of leading screw 275
Structure is simple, and is easily installed debugging, and structural stability is higher.
In theory, slide guide part is not limited to the form of leading screw 275, or other can realize the knot of straight line slide guide
Structure, the form such as cylinder or slide rail.
The top cover 271 is stretched in outside operation ease, the above-mentioned one end of leading screw 275 away from the bearing hole in order to improve,
And steering operation bar 276 is installed at its overhanging section.
Specifically, above-mentioned guide pillar 273 be the frustum of a cone, and the frustum of a cone small end towards the bearing hole, so, leading
When post 273 is acted on sprue 274, it can be moved by its inclined lateral wall for sprue 274 and slide guide is provided, make sprue 274
Oil duct is gradually inserted during being moved along the lateral wall of guide pillar 273, it is ensured that the smooth stretching of sprue 274, it is to avoid clamping stagnation.Lead
Post 273 can also be cylindrical structural, to realize slide guide, can be opened on the side wall that cylindrical structural is in contact with sprue 274
If slide guide plane.
In order to realize the closing of bearing hole, oil sealing 277 is provided between the inner ring of collar 272 and the guide pillar 273.This
Sample, bearing hole is closed so that position is difficult a certain oil duct for setting sprue 274 to be blocked, corresponding without setting
Sprue 274, it is to be understood that when in multiple oil ducts being connected with bearing hole, only one of which oil duct is not provided with independent sprue
274, remaining is respectively provided with independent sprue 274, and this is realized by the closing of bearing hole without the oil duct that sprue 274 is blocked and blocked, now
Also the independent closure of each oil duct can be realized；Using this kind of structure type, tool structure is simplified.
Above-mentioned guide pillar 273 and the frustum of a cone portion that leading screw 275 is that integral type structure, i.e. guide pillar 273 are formed at the lower end of leading screw 275
Point, the linkage of guide pillar 273 and leading screw 275 is improved, simplifies mounting structure.
Specifically, above-mentioned elastic component is linear springs, and one end of the linear springs is resisted against the sprue 274, and its is another
One end is resisted against the collar 272, it is thus evident that elastic component can also take the circumstances into consideration to select butterfly spring or flexible latch structure.
In order to simplify structure and ensure independent closure, the number of above-mentioned sprue 274 is compared with the oil being connected with the bearing hole
Road quantity is few one, and corresponds setting with the oil duct.
Below by total of eight oil duct, connect with bearing hole have the gear box casing of three oil ducts exemplified by, sketch this hair
The operation principle and the course of work of bright provided detecting tool：
As shown in fig. 6, first steadily placing bottom plate 21, each plugging block 22 is arranged on bottom by bottom dowel pin respectively
In the corresponding pin-and-hole of plate 21；The bottom sprue 25 of bearing hole is placed on bottom plate 21, is fixed by bolt；By five first
Air pressure detection pipe 24 is arranged in a plugging block 22, and two first air pressure detection pipes 24 are arranged in another plugging block 22, the
Two air pressure detection pipes 26 are arranged on bottom sprue 25；By housing to be measured on the support column of bottom plate 21, it will be treated by bolt
Housing is surveyed to fix；Again by eight gas tubes 23 in the corresponding oil hole of housing to be measured；The top blocking component of bearing hole is
Assembly part, is first pre-installed to it, then overall in bearing hole, after the completion of above assembling, you can start test：Pass through
Gas tube 23 is inflated to oil duct, then measures pressure by the first air pressure detection pipe 24 and the second air pressure detection pipe 26.Top
Blocking component when in use, the part of collar 272 is stretched into bearing hole, top cover 271 is fitted with the upper surface of housing to be measured, and is made
It is fixedly connected with bolt；Then rotate clockwise steering operation bar 276 and drive the rotation of leading screw 275 while moving downward, leading screw 275
The guide pillar 273 of lower end presses to sprue 274, and sprue 274 is just got lodged in the corresponding oil duct in housing bearing hole, it is achieved thereby that to shell
The independent closure of irregular oil duct in body bearing hole.After the completion of to be tested, rotate counterclockwise steering action bars 276 and drive leading screw
275 rotations motion upwards simultaneously, the guide pillar 273 of the lower end of leading screw 275 leaves sprue 274, and sprue 274 is made in the elastic force of linear springs
Under, left from oil duct, so as to cancel the closure to corresponding oil duct, withdraw from bearing hole.
Connected it should be appreciated that detecting tool provided by the present invention is not limited to apply in three oil ducts with bearing hole
Transmission housing body in, as long as with two gear box casings that oil duct is connected with bearing hole, by for adjusting sprue 274
Number, can use the detecting tool；For example, when there is four oil ducts to be connected with bearing hole, setting three or four sprues
274, when there are five oil ducts to be connected with bearing hole, four or five sprues 274 are set, by that analogy.
Upper some one exemplary embodiments that the present invention is only described by way of explanation, undoubtedly, for this area
Those of ordinary skill, without departing from the spirit and scope of the present invention, can be with a variety of modes to being retouched
The embodiment stated is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to present invention power
The limitation of the claimed scope of profit.
Claims (8)
1. a kind of automatic transmission casing oil duct air-tightness detection tool, including bottom plate (21), it is installed on the bottom plate (21)
It is respectively mounted on multiple plugging blocks (22), and the gas tube (23) being plugged in respectively in each oil hole, each plugging block (22)
There is the first air pressure detection pipe (24)；Characterized in that, also include being installed on the bottom sprue (25) of the bottom plate (21), and with institute
State the top blocking component that bottom sprue (25) coordinates closure bearing hole；The inspection of second air pressure is installed on the bottom sprue (25)
Test tube (26), top cover (271) that the top blocking component includes fitting with housing, is socketed on the collar of the bearing hole
(272) guide pillar (273) of the top cover (271) and by slide guide part is slidably mounted on, the guide pillar (273) is relative to the top
The glide direction for covering (271) is close to or away from the direction of the bearing hole；The periphery of the collar (272) was offered
Hole, the guide pillar (273) is circumferentially provided with sprue (274), flexible between the sprue (274) and the collar (272)
Part, and the elastic component, when being in compressive state under the guide pillar (273) is oppressed, the sprue (274) passes through the via
And be plugged in the oil duct being connected with the bearing hole.
2. automatic transmission casing oil duct air-tightness detection tool according to claim 1, it is characterised in that the slide guide
Part is to offer screw thread via on leading screw (275), the top cover (271), and the leading screw (275) is mutually nibbled with the screw thread via
Close, the guide pillar (273) is arranged at the leading screw (275) close to one end of the bearing hole.
3. automatic transmission casing oil duct air-tightness detection tool according to claim 2, it is characterised in that the leading screw
(275) top cover (271) is stretched in outside one end away from the bearing hole, and steering operation bar is installed at its overhanging section
(276)。
4. automatic transmission casing oil duct air-tightness detection tool according to claim 3, it is characterised in that the guide pillar
(273) be the frustum of a cone, and the frustum of a cone small end towards the bearing hole.
5. automatic transmission casing oil duct air-tightness detection tool according to claim 4, it is characterised in that the collar
(272) oil sealing (277) is provided between inner ring and the guide pillar (273).
6. automatic transmission casing oil duct air-tightness detection tool according to claim 5, it is characterised in that the guide pillar
(273) it is integral type structure with the leading screw (275).
7. automatic transmission casing oil duct air-tightness detection tool according to claim 6, it is characterised in that the elasticity
Part is linear springs, and one end of the linear springs is resisted against the sprue (274), and its other end is resisted against the collar
(272)。
8. the automatic transmission casing oil duct air-tightness detection tool according to claim any one of 1-7, it is characterised in that
The number of the sprue (274) is few one compared with the oil duct quantity being connected with the bearing hole, and is corresponded with the oil duct
Set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510564203.8A CN105043691B (en) | 2015-09-07 | 2015-09-07 | A kind of automatic transmission casing oil duct air-tightness detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510564203.8A CN105043691B (en) | 2015-09-07 | 2015-09-07 | A kind of automatic transmission casing oil duct air-tightness detection tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105043691A CN105043691A (en) | 2015-11-11 |
| CN105043691B true CN105043691B (en) | 2017-07-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510564203.8A Active CN105043691B (en) | 2015-09-07 | 2015-09-07 | A kind of automatic transmission casing oil duct air-tightness detection tool |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258868A (en) * | 2015-11-13 | 2016-01-20 | 重庆戴卡捷力轮毂制造有限公司 | Air tightness detecting and positioning device |
| CN110643480A (en) * | 2018-06-26 | 2020-01-03 | 深圳市北科生物科技有限公司 | Liquid separation device and method thereof |
| CN113916294A (en) * | 2021-10-11 | 2022-01-11 | 江南工业集团有限公司 | Rapid measuring method and special measuring device for stepped shaft component |
| CN116609006B (en) * | 2023-06-26 | 2023-11-07 | 精诚工科汽车零部件(邳州)有限公司 | Gearbox part gas tightness detects frock |
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|---|---|---|---|---|
| JPH02150733A (en) * | 1988-11-30 | 1990-06-11 | Suzuki Motor Co Ltd | Tool for measuring leaked pressure of crank case |
| CN201476948U (en) * | 2009-07-03 | 2010-05-19 | 成都盛帮密封件有限公司 | Oil seal test table of engine air valve |
| CN203404369U (en) * | 2013-08-05 | 2014-01-22 | 上海希力自动化设备有限公司 | Plugging device used for leakage test of air impermeability of engine cylinder cover oil duct inclined oil port |
| CN103954407A (en) * | 2014-04-22 | 2014-07-30 | 河北工业大学 | Engine cylinder cover oil channel leakage testing device |
| CN104482210A (en) * | 2014-12-12 | 2015-04-01 | 中国一拖集团有限公司 | Tractor gear box body oil way hole leakage detection plugging component and plugging method |
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2015
- 2015-09-07 CN CN201510564203.8A patent/CN105043691B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02150733A (en) * | 1988-11-30 | 1990-06-11 | Suzuki Motor Co Ltd | Tool for measuring leaked pressure of crank case |
| CN201476948U (en) * | 2009-07-03 | 2010-05-19 | 成都盛帮密封件有限公司 | Oil seal test table of engine air valve |
| CN203404369U (en) * | 2013-08-05 | 2014-01-22 | 上海希力自动化设备有限公司 | Plugging device used for leakage test of air impermeability of engine cylinder cover oil duct inclined oil port |
| CN103954407A (en) * | 2014-04-22 | 2014-07-30 | 河北工业大学 | Engine cylinder cover oil channel leakage testing device |
| CN104482210A (en) * | 2014-12-12 | 2015-04-01 | 中国一拖集团有限公司 | Tractor gear box body oil way hole leakage detection plugging component and plugging method |
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| CN105043691A (en) | 2015-11-11 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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| COR | Change of bibliographic data | ||
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Inventor after: Ding Zhaofu Inventor after: Li Yaqiong Inventor after: Wang Wenhao Inventor after: Hu Chan Inventor before: Dong Hui |
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