CN104422375A - Detection device for detecting fit clearance between piston and connecting rod - Google Patents
Detection device for detecting fit clearance between piston and connecting rod Download PDFInfo
- Publication number
- CN104422375A CN104422375A CN201310390833.9A CN201310390833A CN104422375A CN 104422375 A CN104422375 A CN 104422375A CN 201310390833 A CN201310390833 A CN 201310390833A CN 104422375 A CN104422375 A CN 104422375A
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- piston
- connecting rod
- locking
- pick
- pull bar
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Abstract
The invention discloses a detection device for detecting fit clearance between a piston and a connecting rod. The detection device comprises a clamping mechanism, a locking mechanism, a measuring mechanism and a bracket; the clamping mechanism comprises a clamping cylinder and a clamping claw assembly for clamping the piston; the locking mechanism comprises a locking chuck, wherein a groove in which the connecting rod is embedded is formed in one end of the locking chuck, the lower end of the groove is provided with a slot buckled with a lower bulb, the other end of the locking chuck is fixedly connected with the upper end of a locking pull rod, and a tensioning weight is suspended at the lower end of the locking pull rod; the measuring mechanism comprises a dial indicator for detecting the up-down displacement of the locking chuck, and a measuring head of the dial indicator props against the locking chuck; a limiting plate is arranged on the bracket, a guide sleeve is fixed on the limiting plate, and the lower end of the locking pull rod penetrates through the guide sleeve. According to the detection device for detecting the fit clearance between the piston and the connecting rod, the measurement of the fit clearance between the piston and the connecting rod can be finished at high efficiency and high precision, and the production efficiency of an automobile air compressor is effectively improved.
Description
Technical field
The present invention relates to a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod, being more specifically a kind of piston of automobile air conditioner compressor and the pick-up unit of connecting rod axial fit clearance, belonging to automobile air conditioner compressor manufacturing technology field.
Background technology
Existing automobile air conditioner compressor generally uses piston and connecting rod, and in the operation process of automobile air conditioner compressor, piston and connecting rod will bear the effect of moment of torsion, if piston and connecting rod axial fit clearance excessive, then piston rod easily comes off; If piston and connecting rod axial fit clearance too small, then piston and connecting rod easily wear and tear or abnormal sound; Thus require higher to the end play quality of fit of piston and connecting rod.
To the detection of the quality of fit of piston and connecting rod in existing conventional art, adopt the mode of height gauge inspection under no-load condition, but this traditional detection method has very large defect, is first to keep connecting rod efficiency vertical with piston low, testing result instability; Next is the detection data under no-load condition, does not meet working condition, and detecting data does not have cogency.
Thus develop under meeting working condition, detection efficiency be high, piston that accuracy of detection is high and connecting rod axial gap device, be the direction that all automobile air conditioner compressor manufacture those skilled in the art make great efforts.
Summary of the invention
The present invention mainly solves technical matters existing in above-mentioned existing automobile air conditioner compressor manufacture, provides a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod.
The technical solution used in the present invention is, construct a kind of pick-up unit for detecting the tolerance clearance between piston and connecting rod, described connecting rod comprises bulb and lower bulb, upper bulb activity is embedded in the recess on piston, and described pick-up unit comprises clamp system, latch mechanism, measuring mechanism, support.
Described clamp system comprises clamping cylinder and jaw components, and described jaw components clamping piston, described jaw components comprises left jamming claw and right jamming claw.
Described latch mechanism comprises horizontally disposed locking chuck, the locking pull bar of vertical setting and tension counterweight, one end of described locking chuck is provided with the groove for being embedded with described connecting rod, described groove lower end is provided with the recess be interlocked with lower bulb, the other end of described locking chuck is fixedly connected with the upper end of locking pull bar, and described counterweight is suspended on the lower end of described locking pull bar.
Described measuring mechanism comprises the dial gauge detecting locking chuck upper and lower displacement amount, and the measuring head of described dial gauge is resisted against on locking chuck, and described dial gauge is fixed on locking side plate end face by dial indicator bracket.
Described support is provided with a limiting plate, and limiting plate is fixed with orienting sleeve, and the lower end of locking pull bar is slidably through above-mentioned orienting sleeve.
In a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, described support is also provided with the piston fixed block of limited piston movement.
In a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, described locking rod outer sleeve has back-moving spring.
In a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, be also provided with the set lever limiting and lock pull bar and move up and down between described counterweight and locking pull bar, described set lever comprises eccentric wheel and handle.
Further, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, described eccentric wheel is provided with eccentric connecting hole and the threaded hole of fixing counterweight, be inserted with the latch of fixing and locking pull bar in described connecting hole, the line in described connecting hole center and described eccentric wheel axle center and the angle of described handle axis are 120 degree.
Further, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, the lower end of described limiting plate is fixed with the locking support cover for holding out against set lever, and described locking pull bar passes from the through hole that described locking support overlaps.
In a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, the bottom of described groove is arc surface and is formed with described connecting rod to be slidably matched.
Further, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, described locking pull bar is provided with to the step of spring axial limiting.
A kind of pick-up unit for detecting tolerance clearance between piston and connecting rod provided by the invention, can high-level efficiency and high-precisionly complete piston and connecting rod tolerance clearance is measured, and effectively improves automobile air conditioner compressor production efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is Fig. 1 side view.
Fig. 3 is set lever structural representation in Fig. 1.
Fig. 4 is set lever structure vertical view in Fig. 1.
In figure: 1, support, 2, triangle support plate, 3, limiting plate, 4, set lever, 5, locking support cover, 6, orienting sleeve, 7, spring, 8, locking pull bar, 9, locking chuck, 10, piston fixed block, 11, locking side plate, 12, right jamming claw, 13, left jamming claw, 14, piston rod, 15, dial indicator bracket, 16, latch, 17, dial gauge, 18, fixed head, 19, latch, 20, counterweight, 21, cylinder, 22, piston, 23, connecting rod, 401, eccentric wheel, 402, handle.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail.
Embodiment 1
As depicted in figs. 1 and 2, the fixed head 17 be fixed on support 1, locking side plate 11 and limiting plate 3 is comprised; The piston rod 14 be connected with described clamping cylinder 21 is connected with jaw components by latch 16, and described jaw components comprises left jamming claw 13 and right jamming claw 12, and described cylinder 21 drives piston 14 to control opening or tightening up of above-mentioned jaw components.
Described jaw components is fixed wtih described piston 22, the upper bulb activity of described connecting rod 23 is embedded in the recess on piston, the link rod part of described connecting rod 23 embed described locking chuck sidewall groove in, described groove lower end is provided with the recess be interlocked with lower bulb, the other end of described locking chuck is fixedly connected with the upper end of locking pull bar 8, and described counterweight 20 is suspended on the lower end of described locking pull bar 8.
Described measuring mechanism comprises the dial gauge 17 detecting locking chuck upper and lower displacement amount, and the measuring head of described dial gauge 17 is resisted against on locking chuck, and described dial gauge 17 is fixed on locking side plate 11 end face by dial indicator bracket 15.
The limiting plate 3 that described support 1 is arranged is fixed with orienting sleeve 6, and the lower end of locking pull bar 8, slidably through above-mentioned orienting sleeve 6, has also been provided with the triangle support plate 2 supporting fixation below described limiting plate 3.
Principle of work of the present invention or implementation step are:
The first step, first according to theoretical value, calculate when piston 22 and the theoretical fit-up gap of connecting rod 23 are zero time, locking chuck 9 upper surface to the theoretical relative distance of the dial gauge 17 of fixed position, the measuring head of dial gauge 17 with theoretical relative distance now for initial point or zero point.
Second step, clamping cylinder 21 controls the left jamming claw 13 that opens and right jamming claw 12 and locks piston 22 in the piston and connecting rod assembly assembled, and meanwhile, the link rod part of connecting rod 23 is inserted in the groove of locking chuck 9.
3rd step, is suspended and fixed to the below of set lever 4 by counterweight 20, under gravity, now locking chuck 9 declines and Compress Spring, and the lower bulb of connecting rod 23 holds out against the recess that groove lower end is connected with locking chuck 9 lower surface.
4th step, record now dial gauge the dial gauge 17 measured by measuring head to the relative distance of the upper surface of locking chuck 9, and deduct by this relative distance the maximum axial fit-up gap that theoretical relative distance can obtain between piston and connecting rod; In actual use dial gauge measuring process, theoretical relative distance as zero point or starting point, can be measured rapidly maximum axial fit-up gap and whether meet tolerance by adjustment dial gauge 17.
5th step, control cylinder 21, unclamps left jamming claw 13 and right jamming claw 12, takes off piston and linkage component, and repetitive cycling also carries out next one operation.
Embodiment 2
In conjunction with the embodiments 1, as depicted in figs. 1 and 2, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, described support 1 is also provided with the piston fixed block 10 that limited piston 22 is displaced sideways.
In conjunction with the embodiments 1, as depicted in figs. 1 and 2, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, described locking pull bar 8 overcoat has back-moving spring 7.
In conjunction with the embodiments 1, as Figure 1-4, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, the set lever 4 limiting and lock pull bar 8 and move up and down also is provided with between described counterweight 20 and locking pull bar 8, described set lever 4 comprises eccentric wheel 401 and handle 402, and described eccentric wheel 401 is connected with described locking pull bar 8 lower end by latch 19.
The principle of work of set lever 4 is: in the process changing piston 22 and connecting rod 23 assembly parts, utilize the dead point of eccentric wheel 401, counterweight 20 is locked on locking support cover 5 together with locking pull bar 8, locking chuck 9 and spring 7, and do not need in the process changing piston 22 and connecting rod 23 parts, continuous repeated removal or fixing counterweight 20.
In conjunction with the embodiments 1, as Figure 1-4, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, described eccentric wheel 401 is provided with eccentric connecting hole and the threaded hole of fixing counterweight 20, be inserted with the latch 19 of fixing and locking pull bar in described connecting hole, described connecting hole is 120 degree to the line of described eccentric wheel axis and the angle of described handle axis.
In conjunction with the embodiments 1, as Figure 1-4, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, the lower end of described limiting plate 3 is fixed with the locking support cover 5 for holding out against set lever, and described locking pull bar 8 slidably passes from the through hole of described locking support cover 5.
In conjunction with the embodiments 1, as shown in Figure 1-2, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, the bottom of described groove is arc surface and is formed with described connecting rod 23 to be slidably matched.
In conjunction with the embodiments 1, as shown in Figure 1-2, in a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod of the present invention, described locking pull bar 8 is provided with to the step of spring 7 axial limiting.
It should be pointed out that above embodiment is only the more representational example of the present invention.Obviously, the invention is not restricted to above-described embodiment, many distortion can also be had.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all should think and belong to protection scope of the present invention.
Claims (8)
1., for detecting a pick-up unit for tolerance clearance between piston and connecting rod, described connecting rod comprises ball
Head and lower bulb, upper bulb activity is embedded in the recess on piston, and it is characterized in that, described pick-up unit comprises clamp system, latch mechanism, measuring mechanism, support;
Described clamp system comprises clamping cylinder and jaw components, described jaw components clamping piston;
Described latch mechanism comprises horizontally disposed locking chuck, the locking pull bar of vertical setting and tension counterweight, one end of described locking chuck is provided with the groove for embedding described connecting rod, described groove lower end is provided with the recess be interlocked with described lower bulb, the other end of described locking chuck is fixedly connected with the upper end of described locking pull bar, and described tension counterweight is suspended on the lower end of described locking pull bar;
Described measuring mechanism comprises the dial gauge detecting locking chuck upper and lower displacement amount, and the measuring head of described dial gauge is resisted against on locking chuck;
Described support is provided with a limiting plate, and limiting plate is fixed with orienting sleeve, and the lower end of locking pull bar is through above-mentioned orienting sleeve.
2. a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod as claimed in claim 1, is characterized in that described support is also provided with the piston fixed block that limited piston is displaced sideways.
3. a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod as claimed in claim 1, is characterized in that described locking rod outer sleeve has back-moving spring.
4. a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod as claimed in claim 1, it is characterized in that also being provided with the set lever limiting and lock pull bar and move up and down between described counterweight and locking pull bar, described set lever comprises eccentric wheel and handle.
5. a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod as claimed in claim 4, it is characterized in that described eccentric wheel is provided with eccentric connecting hole and the threaded hole of fixing counterweight, be inserted with the latch of fixing and locking pull bar in described connecting hole, described connecting hole is 120 degree to the line of described eccentric wheel axis and the angle of described handle axis.
6. a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod as described in claim 1 or 4, it is characterized in that the lower end of described limiting plate is fixed with the locking support cover for holding out against set lever, described locking pull bar passes from the through hole that described locking support overlaps.
7. a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod as claimed in claim 1, it is characterized in that described groove has horn opening, the bottom of described groove is arc surface and is formed with described connecting rod to be slidably matched.
8. a kind of pick-up unit for detecting tolerance clearance between piston and connecting rod as described in claim 1 or 3, is characterized in that described locking pull bar is provided with to the step of spring axial limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390833.9A CN104422375B (en) | 2013-09-02 | 2013-09-02 | Detection device for detecting fit clearance between piston and connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390833.9A CN104422375B (en) | 2013-09-02 | 2013-09-02 | Detection device for detecting fit clearance between piston and connecting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104422375A true CN104422375A (en) | 2015-03-18 |
| CN104422375B CN104422375B (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310390833.9A Expired - Fee Related CN104422375B (en) | 2013-09-02 | 2013-09-02 | Detection device for detecting fit clearance between piston and connecting rod |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768199A (en) * | 2016-11-26 | 2017-05-31 | 丹东意邦计量仪器仪表有限公司 | The manual ratchet meter-clamping apparatus of high-pressure water-filling meter epitope mimic well flip-shell |
| CN107255465A (en) * | 2017-07-28 | 2017-10-17 | 芜湖智联工业装备有限公司 | A kind of screw clearance detection means gap detection mechanism and its detection method |
| CN107588710A (en) * | 2017-09-06 | 2018-01-16 | 国营芜湖机械厂 | A kind of auxiliary follow up piston is drawn, pressure deflection angle check device |
| CN107894199A (en) * | 2017-11-06 | 2018-04-10 | 无锡鹰贝精密轴承有限公司 | Piston component fit clearance cubing |
| CN109931874A (en) * | 2019-04-04 | 2019-06-25 | 北京理工大学 | Ball-type inertance element fit clearance laser differential confocal precision measurement method |
| CN110186346A (en) * | 2019-06-11 | 2019-08-30 | 中国重型机械研究院股份公司 | A kind of large-size extruder frame gap detection method and ground support |
| CN111637822A (en) * | 2020-05-13 | 2020-09-08 | 陕西中天火箭技术股份有限公司 | Device and method for measuring radial clearance after assembly of empennage on missile |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU587313A1 (en) * | 1975-12-24 | 1978-01-05 | Предприятие П/Я Г-4517 | Device for measuring radial clearance of ball bearings |
| SU777396A2 (en) * | 1976-12-29 | 1980-11-07 | Предприятие П/Я Г-4517 | Instrument for measuring radial clearance of ball bearings |
| JP2001159502A (en) * | 1999-12-01 | 2001-06-12 | Nsk Ltd | Measuring method of pocket aperture of retainer for rolling bearing |
| JP2004347545A (en) * | 2003-05-26 | 2004-12-09 | Nsk Ltd | Method and device for measuring pocket clearance of cage for rolling bearing |
| CN201007641Y (en) * | 2007-01-30 | 2008-01-16 | 南京金城机械有限公司 | Axial clearance adjusting spacer thickness measurement instrument with elastic modulus bearing |
| JP2009236686A (en) * | 2008-03-27 | 2009-10-15 | Kayaba System Machinery Kk | Backlash amount measuring method and device |
| CN201425459Y (en) * | 2009-05-21 | 2010-03-17 | 浙江万向精工有限公司 | Windage checking fixture |
| CN203518912U (en) * | 2013-09-02 | 2014-04-02 | 浙江易之星空调科技有限公司 | Detection device for detecting fit clearance between piston and connecting rod |
-
2013
- 2013-09-02 CN CN201310390833.9A patent/CN104422375B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU587313A1 (en) * | 1975-12-24 | 1978-01-05 | Предприятие П/Я Г-4517 | Device for measuring radial clearance of ball bearings |
| SU777396A2 (en) * | 1976-12-29 | 1980-11-07 | Предприятие П/Я Г-4517 | Instrument for measuring radial clearance of ball bearings |
| JP2001159502A (en) * | 1999-12-01 | 2001-06-12 | Nsk Ltd | Measuring method of pocket aperture of retainer for rolling bearing |
| JP2004347545A (en) * | 2003-05-26 | 2004-12-09 | Nsk Ltd | Method and device for measuring pocket clearance of cage for rolling bearing |
| CN201007641Y (en) * | 2007-01-30 | 2008-01-16 | 南京金城机械有限公司 | Axial clearance adjusting spacer thickness measurement instrument with elastic modulus bearing |
| JP2009236686A (en) * | 2008-03-27 | 2009-10-15 | Kayaba System Machinery Kk | Backlash amount measuring method and device |
| CN201425459Y (en) * | 2009-05-21 | 2010-03-17 | 浙江万向精工有限公司 | Windage checking fixture |
| CN203518912U (en) * | 2013-09-02 | 2014-04-02 | 浙江易之星空调科技有限公司 | Detection device for detecting fit clearance between piston and connecting rod |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768199A (en) * | 2016-11-26 | 2017-05-31 | 丹东意邦计量仪器仪表有限公司 | The manual ratchet meter-clamping apparatus of high-pressure water-filling meter epitope mimic well flip-shell |
| CN106768199B (en) * | 2016-11-26 | 2023-11-10 | 丹东意邦计量仪器仪表有限公司 | Flip type manual ratchet meter clamping device for high-pressure water injection meter epitope simulation well |
| CN107255465A (en) * | 2017-07-28 | 2017-10-17 | 芜湖智联工业装备有限公司 | A kind of screw clearance detection means gap detection mechanism and its detection method |
| CN107255465B (en) * | 2017-07-28 | 2023-12-29 | 芜湖智联工业装备有限公司 | Gap detection mechanism of screw gap detection device and detection method thereof |
| CN107588710A (en) * | 2017-09-06 | 2018-01-16 | 国营芜湖机械厂 | A kind of auxiliary follow up piston is drawn, pressure deflection angle check device |
| CN107588710B (en) * | 2017-09-06 | 2024-04-12 | 安徽天航机电有限公司 | Follow-up piston pulling and pressing deflection angle checking device |
| CN107894199A (en) * | 2017-11-06 | 2018-04-10 | 无锡鹰贝精密轴承有限公司 | Piston component fit clearance cubing |
| CN109931874A (en) * | 2019-04-04 | 2019-06-25 | 北京理工大学 | Ball-type inertance element fit clearance laser differential confocal precision measurement method |
| CN110186346A (en) * | 2019-06-11 | 2019-08-30 | 中国重型机械研究院股份公司 | A kind of large-size extruder frame gap detection method and ground support |
| CN111637822A (en) * | 2020-05-13 | 2020-09-08 | 陕西中天火箭技术股份有限公司 | Device and method for measuring radial clearance after assembly of empennage on missile |
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|---|---|
| CN104422375B (en) | 2017-04-12 |
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