CN105043691A - Automatic gearbox shell oil duct air tightness detection tool - Google Patents
Automatic gearbox shell oil duct air tightness detection tool Download PDFInfo
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- CN105043691A CN105043691A CN201510564203.8A CN201510564203A CN105043691A CN 105043691 A CN105043691 A CN 105043691A CN 201510564203 A CN201510564203 A CN 201510564203A CN 105043691 A CN105043691 A CN 105043691A
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- oil duct
- sprue
- dead eye
- guide pillar
- detection tool
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Abstract
The invention discloses an automatic gearbox shell oil duct air tightness detection tool comprising bottom plugging blocks mounted on a bottom plate. A top plugging assembly comprises a top cover which fits a shell, a top ring which sleeves a bearing hole, and a guide column which is mounted on the top cover in a sliding manner through a sliding guide member, wherein the sliding direction of the guide column relative to the top cover is the direction near or away from the bearing hole, the periphery of the top ring is provided with a via hole, a plugging block is arranged on the circumference of the guide column, an elastic member is arranged between the plugging block and the top ring, and the plugging block passes through the via hole and is inserted into an oil duct communicated with the bearing hole when the elastic member is compressed under pressing of the guide column. Therefore, based on plugging of oil ducts communicated with the bearing hole realized through a plugging function, an oil duct hole can be separately plugged when multiple oil ducts are communicated with the same bearing hole, false detection occurring when oil ducts are communicated is avoided, the reliability of detection results is improved, and the quality risk is avoided.
Description
Technical field
The present invention relates to checkout equipment technical field, particularly relate to a kind of automatic transmission casing oil duct air-tightness detection tool.
Background technology
Gear box casing is the carrier of whole wheel box, it exists many be hydraulic pressure, lubrication provides the oil duct of passage.For ensureing the strict sealing of housing oil duct, need before assembling to carry out sealing propertytest (i.e. leak test) to housing.Method for conducting leak test conventional in current industry has air-leakage test and fluid tight detection, and air-leakage test uses more extensive because gaseous mediums acquisition is convenient.Effective shutoff need be carried out to each openend of oil duct during air-leakage test, then just can carry out inflation and measure.
To communicate with same dead eye the gear box casing of situation for there are many oil ducts, the independent shutoff of oilhole is comparatively difficult, detect after being merely able to adopt structure as shown in Figure 1 to carry out overall shutoff to dead eye place, namely upper plugging plate 11, lower plugging plate 12 shutoff dead eye 13 is utilized, gas-filled tube 14 is then utilized to be filled with detection gas, and detect current gas pressure by air pressure detector tube 15, to judge whether to meet impermeability requirement.But, unified the mode of shutoff by existing dead eye, cannot judge whether this place's oil hole exists the mutually through phenomenon of oil duct, thus cause flase drop, affect the reliability of testing result, and there is quality risk.
Therefore, a kind of automatic transmission casing oil duct air-tightness detection tool is provided, to when many oil ducts communicate with same dead eye, realize the independent shutoff of this place's oil hole, thus avoid occurring flase drop when through phenomenon appears in oil duct, improve the reliability of testing result, avoid quality risk, just become those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of automatic transmission casing oil duct air-tightness detection tool, to when many oil ducts communicate with same dead eye, realize the independent shutoff of this place's oil hole, thus avoid occurring flase drop when through phenomenon appears in oil duct, improve the reliability of testing result, avoid quality risk.
To achieve these goals, the invention provides a kind of automatic transmission casing oil duct air-tightness detection tool, comprise base plate, be installed on multiple plugging block of described base plate, and the gas-filled tube be plugged in respectively in each oil hole, each described plugging block is all provided with the first air pressure detector tube, also comprise the bottom sprue being installed on described base plate, and coordinate the top blocking component of shutoff dead eye with described bottom sprue; Described bottom sprue is provided with the second air pressure detector tube, described top blocking component is comprised the top cover fitted with housing, the collar being socketed on described dead eye and is slidably mounted on the guide pillar of described top cover by slide guide part, described guide pillar relative to the glide direction of described top cover be near or with the direction away from described dead eye; The periphery of described collar offers via hole, the circumference of described guide pillar is provided with sprue, between described sprue and described collar, there is elastic component, and described elastic component when being in compressive state under the compressing of described guide pillar, described sprue is through described via hole and be plugged in the oil duct that is connected with described dead eye.
Preferably, described slide guide part is leading screw, described top cover offers screw thread via hole, and described leading screw is meshed with described screw thread via hole, and described guide pillar is arranged at described leading screw one end near described dead eye.
Preferably, described leading screw stretches in described top cover outside the one end away from described dead eye, and is provided with steering operation bar at its overhanging section.
Preferably, described guide pillar is the frustum of a cone, and the small end of the described frustum of a cone is towards described dead eye.
Preferably, oil sealing is provided with between the inner ring of described collar and described guide pillar.
Preferably, described guide pillar and described leading screw are integral type structure.
Preferably, described elastic component is linear springs, and one end of described linear springs is resisted against described sprue, and its other end is resisted against described guide pillar.
Preferably, the number of described sprue compared with few one of the oil duct quantity be connected with described dead eye, and is arranged with described oil duct one_to_one corresponding.
Automatic transmission casing oil duct air-tightness detection tool provided by the present invention comprises base plate, is installed on multiple plugging block of described base plate, and is plugged in the gas-filled tube in each oil hole respectively, each described plugging block is all provided with the first air pressure detector tube; Also comprise the bottom sprue being installed on described base plate, and coordinate the top blocking component of shutoff dead eye with described bottom sprue; Described bottom sprue is provided with the second air pressure detector tube, described top blocking component is comprised the top cover fitted with housing, the collar being socketed on described dead eye and is slidably mounted on the guide pillar of described top cover by slide guide part, described guide pillar relative to the glide direction of described top cover be near or with the direction away from described dead eye; The periphery of described collar offers via hole, the circumference of described guide pillar is provided with sprue, between described sprue and described collar, there is elastic component, and described elastic component when being in compressive state under the compressing of described guide pillar, described sprue is through described via hole and be plugged in the oil duct that is connected with described dead eye.
In the course of the work, to be measured is placed in frock, top cover is placed on housing, and fit with the outside surface of housing, dead eye is by bottom sprue and top blocking component shutoff, and collar is placed in dead eye, slide guide part is driven to drive guide pillar to move near the direction of dead eye, and insert in collar after motion puts in place, thus the elastic force that promotion sprue overcomes elastic component enters in corresponding oil duct, realizes the shutoff of this oil duct; Like this, by the oil duct shutoff be communicated with dead eye that the effect of shutoff realizes, make when many oil ducts communicate with same dead eye, achieve the independent shutoff of this place's oil hole, thus avoid and occur flase drop when through phenomenon appears in oil duct, improve the reliability of testing result, avoid quality risk.
In a preferred embodiment, in automatic transmission casing oil duct air-tightness detection tool provided by the present invention, its slide guide part is leading screw, described top cover offers screw thread via hole, described leading screw is meshed with described screw thread via hole, and described guide pillar is arranged at described leading screw one end near described dead eye; In the course of the work, utilize engaging of leading screw and screw thread via hole, realize the axially-movable of leading screw relative to top cover, thus drive guide pillar to move to close or away from dead eye direction, adopt the mode structure of leading screw slide guide simple, and be convenient to Installation and Debugging, structural stability is higher.
In another preferred embodiment, in automatic transmission casing oil duct gas provided by the present invention, its guide pillar is the frustum of a cone, and the small end of the described frustum of a cone is towards described dead eye, like this, when guide pillar acts on sprue, the lateral wall that can be tilted by it provides slide guide for sprue moves, make sprue insert oil duct gradually in the process of moving along guide pillar lateral wall, ensure that stretching out smoothly of sprue, avoid clamping stagnation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the using state figure of a kind of typical detection frock in prior art;
Fig. 2 is the structural representation of a kind of embodiment of detection frock provided by the present invention;
Fig. 3 is the explosive view detecting frock shown in Fig. 2.
Fig. 4 is the structural representation detecting upper a kind of embodiment of blocking component in frock shown in Fig. 2;
Fig. 5 is the explosive view of upper blocking component shown in Fig. 4;
Fig. 6 is the using state figure detecting frock shown in Fig. 2.
Description of reference numerals:
In FIG: 11-upper plugging plate 12-lower plugging plate 13-dead eye 14-gas-filled tube
15-air pressure detector tube
In Fig. 2-Fig. 6: 21-base plate 22-plugging block 23-gas-filled tube 24-first air pressure detector tube
Sprue 26-second air pressure detector tube 271-top cover 272-collar 273-guide pillar bottom 25-
274-sprue 275-leading screw 276-steering operation bar 277-oil sealing
Embodiment
Core of the present invention is to provide a kind of automatic transmission casing oil duct air-tightness detection tool, to when many oil ducts communicate with same dead eye, realize the independent shutoff of this place's oil hole, thus avoid occurring flase drop when through phenomenon appears in oil duct, improve the reliability of testing result, avoid quality risk.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the present invention is further detailed.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of a kind of embodiment of detection frock provided by the present invention; Fig. 3 is the explosive view detecting frock shown in Fig. 2.
In a kind of embodiment, automatic transmission casing oil duct air-tightness detection tool provided by the present invention comprises base plate 21, is installed on multiple plugging block 22 of described base plate 21, and the gas-filled tube 23 be plugged in respectively in each oil hole, each described plugging block 22 is all provided with the first air pressure detector tube 24; Also comprise the bottom sprue 25 being installed on described base plate 21, and coordinate the top blocking component of shutoff dead eye with described bottom sprue 25; Described bottom sprue 25 is provided with the second air pressure detector tube, described top blocking component is comprised the top cover 271 fitted with housing, the collar being socketed on described dead eye and is slidably mounted on the guide pillar 273 of described top cover 271 by slide guide part, described guide pillar 273 relative to the glide direction of described top cover 271 be near or with the direction away from described dead eye; The periphery of described collar 272 offers via hole, the circumference of described guide pillar 273 is provided with sprue 274, between described sprue 274 and described collar 272, there is elastic component, and described elastic component when being in compressive state under described guide pillar 273 is oppressed, described sprue 274 is through described via hole and be plugged in the oil duct that is connected with described dead eye.
Apparently, the shape of above-mentioned sprue 274 with the mating shapes of oil hole treating shutoff, can seal oil hole completely, should improve sealing characteristics.
In the course of the work, to be measured is placed in frock, top cover 271 is placed on housing, and fit with the outside surface of housing, dead eye is by bottom sprue 25 and top blocking component shutoff, and collar 272 is placed in dead eye, slide guide part is driven to drive guide pillar 273 to move near the direction of dead eye, and insert after motion puts in place in collar 272, thus the elastic force that promotion sprue 274 overcomes elastic component enters in corresponding oil duct, realizes the shutoff of this oil duct; Like this, by the oil duct shutoff be communicated with dead eye that the effect of shutoff realizes, make when many oil ducts communicate with same dead eye, achieve the independent shutoff of this place's oil hole, thus avoid and occur flase drop when through phenomenon appears in oil duct, improve the reliability of testing result, avoid quality risk.
Particularly, as shown in Figure 4 and Figure 5, above-mentioned slide guide part is leading screw 275, and described top cover 271 offers screw thread via hole, and described leading screw 275 is meshed with described screw thread via hole, and described guide pillar 273 is arranged at described leading screw 275 near one end of described dead eye; In the course of the work, utilize engaging of leading screw 275 and screw thread via hole, realize the axially-movable of leading screw 275 relative to top cover 271, thus drive guide pillar 273 to move to close or away from dead eye direction, adopt the mode structure of leading screw 275 slide guide simple, and be convenient to Installation and Debugging, structural stability is higher.
In theory, slide guide part is not limited to the form of leading screw 275, also can realize the structure of straight line slide guide, the such as form such as cylinder or slide rail for other.
In order to improve operation ease, above-mentioned leading screw 275 stretches in described top cover 271 outside the one end away from described dead eye, and is provided with steering operation bar 276 at its overhanging section.
Particularly, above-mentioned guide pillar 273 is the frustum of a cone, and the small end of the described frustum of a cone is towards described dead eye, like this, when guide pillar 273 acts on sprue 274, the lateral wall that can be tilted by it provides slide guide for sprue 274 motion, makes sprue 274 insert oil duct gradually in the process of moving along guide pillar 273 lateral wall, ensure that stretching out smoothly of sprue 274, avoid clamping stagnation.Guide pillar 273 can be also cylindrical structural, for realizing slide guide, the sidewall that can contact with sprue 274 at cylindrical structural offers slide guide plane.
In order to realize closing of dead eye, between the inner ring of collar 272 and described guide pillar 273, be provided with oil sealing 277.Like this, dead eye is closed, position is not easily arranged a certain oil duct that sprue 274 carries out shutoff, without the need to arranging sprue 274 corresponding with it, be understandable that, when in multiple oil duct be connected with dead eye, only have an oil duct that independent sprue 274 is not set, all the other all arrange independent sprue 274, and this oil duct without sprue 274 shutoff realizes shutoff by the closed of dead eye, now also can realize the independent shutoff of each oil duct; Adopt this kind of version, simplify tool structure.
Above-mentioned guide pillar 273 is integral type structure with leading screw 275, and namely guide pillar 273 is formed at the frustum-conical portion of leading screw 275 lower end, improves guide pillar 273 and the linkage of leading screw 275, simplifies mounting structure.
Particularly, above-mentioned elastic component is linear springs, and one end of described linear springs is resisted against described sprue 274, and its other end is resisted against described guide pillar 273, and apparently, elastic component also can take the circumstances into consideration to select butterfly spring or telescopic pin structure.
In order to simplify structure and ensure independent shutoff, the number of above-mentioned sprue 274 compared with few one of the oil duct quantity be connected with described dead eye, and is arranged with described oil duct one_to_one corresponding.
Below for eight oil ducts altogether, the gear box casing having three oil ducts that is communicated with dead eye, sketch principle of work and the course of work of detection frock provided by the present invention:
As shown in Figure 6, first base plate 21 is steadily placed, each plugging block 22 is arranged in the corresponding pin-and-hole of base plate 21 respectively by bottom dowel pin; The bottom sprue 25 of dead eye is placed on base plate 21, is fixed by bolt; Be arranged in a plugging block 22 by five first air pressure detector tubes 24, two first air pressure detector tubes 24 are arranged in another plugging block 22, and the second air pressure detector tube 26 is arranged on the sprue 25 of bottom; Housing to be measured is contained on the support column of base plate 21, by bolt, housing to be measured is fixed; Again eight gas-filled tubes 23 are contained in the corresponding oil hole of housing to be measured; The top blocking component of dead eye is assembly parts, first pre-install it, then integral installation is in dead eye, after above assembling completes, test can be started: inflated by gas-filled tube 23 pairs of oil ducts, then measure pressure by the first air pressure detector tube 24 and the second air pressure detector tube 26.Collar 272 part in use, stretches in dead eye by top blocking component, and top cover 271 is fitted with the upper surface of housing to be measured, and uses bolt to be fixedly connected with; Then rotate clockwise steering operation bar 276 to drive leading screw 275 to rotate to move downward simultaneously, the guide pillar 273 of leading screw 275 lower end presses to sprue 274, sprue 274 just gets lodged in the corresponding oil duct in housing dead eye, thus achieves the independent shutoff to oil duct irregular in housing dead eye.To be tested complete after, rotate counterclockwise and turn to control lever 276 to drive leading screw 275 to rotate to move upward simultaneously, the guide pillar 273 of leading screw 275 lower end leaves sprue 274, sprue 274 is under the elastic force effect of linear springs, leave from oil duct, thus cancel the shutoff to corresponding oil duct, withdraw from dead eye.
Should be understood that, detection frock provided by the present invention is not limited to and is applied in gear box casing that three oil ducts are communicated with dead eye, as long as have two are communicated with oil duct gear box casing with dead eye, by adjusting the number of sprue 274, this detection frock all can be used; Such as, when there being four oil ducts to be communicated with dead eye, three or four sprues 274 being set, when there being five oil ducts to be communicated with dead eye, four or five sprues 274 being set, by that analogy.
Upper describes some one exemplary embodiment of the present invention by the mode illustrated, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (8)
1. an automatic transmission casing oil duct air-tightness detection tool, comprise base plate (21), be installed on multiple plugging block (22) of described base plate (21), and the gas-filled tube (23) be plugged in respectively in each oil hole, each described plugging block (22) is all provided with the first air pressure detector tube (24); It is characterized in that, also comprise the bottom sprue (25) being installed on described base plate (21), and coordinate the top blocking component of shutoff dead eye with described bottom sprue (25); Described bottom sprue (25) is provided with the second air pressure detector tube (26), described top blocking component is comprised the top cover (271) fitted with housing, the collar (272) being socketed on described dead eye and is slidably mounted on the guide pillar (273) of described top cover (271) by slide guide part, described guide pillar (273) relative to the glide direction of described top cover (271) be near or with the direction away from described dead eye; The periphery of described collar (272) offers via hole, the circumference of described guide pillar (273) is provided with sprue (274), between described sprue (274) and described collar (272), there is elastic component, and described elastic component when being in compressive state under described guide pillar (273) compressing, described sprue (274) is through described via hole and be plugged in the oil duct that is connected with described dead eye.
2. automatic transmission casing oil duct air-tightness detection tool according to claim 1, it is characterized in that, described slide guide part is leading screw (275), (271) offer screw thread via hole to described top cover, described leading screw (275) is meshed with described screw thread via hole, and described guide pillar (273) is arranged at described leading screw (275) one end near described dead eye.
3. automatic transmission casing oil duct air-tightness detection tool according to claim 2, it is characterized in that, described leading screw (275) stretches in described top cover (271) outside the one end away from described dead eye, and is provided with steering operation bar (276) at its overhanging section.
4. automatic transmission casing oil duct air-tightness detection tool according to claim 3, is characterized in that, described guide pillar (273) is the frustum of a cone, and the small end of the described frustum of a cone is towards described dead eye.
5. automatic transmission casing oil duct air-tightness detection tool according to claim 4, is characterized in that, is provided with oil sealing (277) between the inner ring of described collar (272) and described guide pillar (273).
6. automatic transmission casing oil duct air-tightness detection tool according to claim 5, is characterized in that, described guide pillar (273) and described leading screw (275) are integral type structure.
7. automatic transmission casing oil duct air-tightness detection tool according to claim 6, it is characterized in that, described elastic component is linear springs, and one end of described linear springs is resisted against described sprue (274), and its other end is resisted against described guide pillar (273).
8. the automatic transmission casing oil duct air-tightness detection tool according to any one of claim 1-7, it is characterized in that, the number of described sprue (274) compared with few one of the oil duct quantity be connected with described dead eye, and is arranged with described oil duct one_to_one corresponding.
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| 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 |
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| CN105043691A true CN105043691A (en) | 2015-11-11 |
| CN105043691B CN105043691B (en) | 2017-07-28 |
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Cited By (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 |
| CN116609006A (en) * | 2023-06-26 | 2023-08-18 | 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 |
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| 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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| 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 |
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Cited By (5)
| 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 |
| CN116609006A (en) * | 2023-06-26 | 2023-08-18 | 精诚工科汽车零部件(邳州)有限公司 | Gearbox part gas tightness detects frock |
| 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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| CN105043691B (en) | 2017-07-28 |
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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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Inventor after: Ding Zhaofu Inventor after: Li Yaqiong Inventor after: Wang Wenhao Inventor after: Hu Chan Inventor before: Dong Hui |
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