CN104006723B - Tool for detecting gap at position of diesel engine body cam hole - Google Patents
Tool for detecting gap at position of diesel engine body cam hole Download PDFInfo
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- CN104006723B CN104006723B CN201410243944.1A CN201410243944A CN104006723B CN 104006723 B CN104006723 B CN 104006723B CN 201410243944 A CN201410243944 A CN 201410243944A CN 104006723 B CN104006723 B CN 104006723B
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- sliding sleeve
- hole
- engine body
- pin bushing
- guide pin
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Abstract
The invention provides a tool for detecting a gap at a position of a diesel engine body cam hole and capable of conveniently and quickly detecting a circular-arc-shaped avoiding gap between the diesel engine body cam hole and the outer wall of an air cylinder and improving the yield. A detection device is installed at the detection end of a positioning device and can extend into the diesel engine body cam hole with the positioning device, and the positioning device enables the detection device to be positioned at the position needing gap detection in the diesel engine body cam hole. The detection device comprises a push-pull rod, a sliding sleeve and proving rings, wherein the sliding sleeve is movably installed at the detection end of the positioning device, the push-pull rod coaxially and sequentially penetrates the positioning device and the sliding sleeve, the push-pull rod is in threaded connection with the sliding sleeve, the peripheral face of the sliding sleeve is evenly provided with at least two radial through holes communicated with axial through holes of the sliding sleeve, the proving rings are respectively installed in at least two radial through holes, the end faces of the radial inner sides of the proving rings are matched with the conical surface of the periphery of the push-pull rod, and the peripheral face formed by splicing the proving rings in at least two radial through holes is round.
Description
Technical field
The present invention relates to the verifying attachment field of parts and components of diesel engine processing, specially gap at diesel-engine body cam hole
Detecting tool.
Background technology
During the compacter diesel engine Assembling Production of housing construction, the bearing guard of camshaft and cylinder-bore outer wall space
On can there is interference, see Fig. 1, in order to ensure that assembling is cylinder-bore outer wall hair generally at cylinder outer wall and camshaft Assembly Interference
The avoidance 17 of one arc-shaped is arranged on base, but because casting size Control is difficult, part body occurs cylinder-bore outer wall hair
At the arc-shaped avoidance of base, gap is less than normal, thus exist when leading to camshaft to penetrate camshaft hole from one end and interfering, cannot assemble,
As boring processing will carried out on camshaft hole entire length, then need to increase process equipment and processing beat can be extended, thus dropping
Low yield energy.
Content of the invention
For the problems referred to above, the invention provides at diesel-engine body cam hole gap detecting tool, it can facilitate soon
Promptly avoid gap to the arc-shaped between diesel-engine body cam hole and cylinder outer wall to detect, thus greatly improving production
Efficiency, improves production capacity.
Its technical scheme be such it is characterised in that：It includes detection means and positioner, described detection means peace
It is loaded on the detection end of described positioner, described detection means can integrally stretch into body cam together with described positioner
In the hole, described detection means is positioned by described positioner needs the position of detector gap, described detection to body cam hole
Device includes pull bar, sliding sleeve and proving ring, and described sliding sleeve is slidably mounted on the detection end of described positioner, described
Pull bar coaxially sequentially passes through described positioner, sliding sleeve and threadeds between described pull bar and described sliding sleeve, described
Sliding sleeve side face uniformly has the radial direction through hole of at least two and the axially extending bore UNICOM of described sliding sleeve, and described at least two is radially logical
In the hole is separately installed with proving ring, cone match between the radially inner side end face of described proving ring and described pull bar periphery, institute
Stating the outer peripheral face after the proving ring split at least two radial direction through hole is in a circle.
It is further characterized by：
Described detection means also includes guide pad, and described guide pad includes guide part and proving ring location division, described guiding
Portion is concentric with proving ring location division to link into an integrated entity, and described guide part is installed in described radial direction through hole, and described proving ring has
Location hole, described proving ring location division is flush-mounted in described positioning in the hole, and described guide part is near a side end face of described pull bar
Cone match and described pull bar outer peripheral face between；
The outer peripheral face of described at least two proving rings all has an annular groove, and described at least two proving rings pass through periphery
The first round wire circlip radially lock and ensure the radially inner side end face of described at least two proving rings and the outer of described pull bar
Conical surface laminating between side face, described first round wire circlip is embedded in described annular groove.
It is further characterized in that further：
Described positioner includes guide pin bushing and slide bar, described slide bar coaxial package in the axial bore of described guide pin bushing and
Described slide bar is connected with the inner thread of described guide pin bushing, and it is circumferentially equal that described guide pin bushing corresponds to diesel-engine body camshaft bearing position
The even telescopic hole having at least two and the axial bore UNICOM of described guide pin bushing, described at least two flexible in the holes are mounted on sliding
Block, at the position of the corresponding described diesel-engine body camshaft bearing of described slide bar and the radially inner side side face of described slide block between the conical surface
Cooperation；
The radial outer side of described guide pin bushing has a locking slot, and the slide blocks of described at least two flexible in the holes pass through the of periphery
Two round wire circlips are radially locked, and described second round wire circlip is embedded in described locking slot；
Described guide pin bushing, the outer peripheral face of slide bar have groove labeled slots；
The periphery of described slide block is provided with positioning convex；
Described sliding sleeve is axially displaceably installed on the detection end of described guide pin bushing；Described sliding sleeve is set with by its installation portion
In the detection end periphery of described guide pin bushing, the installation portion of described sliding sleeve has axial stopper slot, the detection end of described guide pin bushing
Have the limit pin hole of radial direction, described sliding sleeve is spacing by spacer pin with the detection end of described guide pin bushing, and described spacer pin is radially
It is installed in described limit pin hole through after described stopper slot；
Described pull bar axially sequentially passes through described slide bar, the detection end of described guide pin bushing and sliding sleeve, and described pushes away
Pull bar is connected with the inner thread of described sliding sleeve；
Described slide bar, the outside external part of described pull bar are separately installed with handle.
The having the beneficial effects that of the detecting tool of the present invention：
（1）Its detection means can integrally be stretched into body cam in the hole together with positioner and be incited somebody to action by positioner
Detection means positions at the position needing detector gap to body cam hole, wherein detection means include pull bar, sliding sleeve and
Proving ring, sliding sleeve is slidably mounted on the detection end of positioner, because pull bar coaxially runs through positioner and sliding sleeve
And threaded between pull bar and sliding sleeve, and sliding sleeve side face uniformly has the axially extending bore UNICOM of at least two and sliding sleeve
It is separately installed with proving ring in radial direction through hole and at least two radial direction through hole, pull bar can be made relatively by rotating pull bar
Move in sliding sleeve occurred level, and cone match between the radially inner side end face due to proving ring and described pull bar periphery, because
This pull bar can synchronously promote at least two inspection ring radially outer spreadings so that at least during moving horizontally
The diameter of the circle that two proving rings piece together can reach the size ensureing matching requirements, then level pulls pull bar back and forth,
And due to threadeding between pull bar and sliding sleeve, while pulling pull bar, sliding sleeve and proving ring level of synchronization move,
If pull bar proving ring in level back and forth drawing process can pass through, this diesel-engine body cam hole reserves minimum clearance
Meet matching requirements, otherwise there is interference in assembling and can do lower mark to reprocess；Its structure is simple, and detection is using just
By detection means of the present invention, victory, can find whether cam hole blank gap meets device requirement, it is to avoid in time to diesel engine
Produce during camshaft assembling and interfere thus affecting to produce；
（2）At least two proving ring peripheries are radially locked by the first locking steel ring, thus ensureing three proving rings and pushing away
Pull bar the outer peripheral face conical surface laminating it is ensured that level pull pull bar when sliding sleeve, proving ring can together with pull bar level of synchronization
Mobile, thus ensureing the reliability detecting；
（3）It makes slide bar move with respect to guide pin bushing occurred level by rotating slide bar, and guide pin bushing corresponds to diesel engine machine
The position of body camshaft bearing circumferentially uniformly has the telescopic hole of at least two and the axial bore UNICOM of guide pin bushing, and sliding sleeve stretches
The slide block of in the hole and slide bar cone match, therefore while slide bar moves horizontally the conical surface of slide bar promote at least two pieces slide blocks to
Radially outer spreading, thus at least two pieces slide blocks hold out against diesel-engine body cam hole inwall and complete to position, its positioning is convenient, can
Lean on.
Brief description
Fig. 1 is that bearing guard and the cylinder-bore outer wall of diesel-engine body camshaft spatially have the position view of interference；
Fig. 2 is the structural representation of the detecting tool in gap at diesel-engine body cam hole of the present invention；
Fig. 3 is the structural representation of guide pin bushing in the present invention；
Fig. 4 is the E-E of Fig. 3 to structural representation；
Fig. 5 is the A-A of Fig. 4 to structural representation；
Fig. 6 is the structural representation of sliding sleeve in the present invention；
Fig. 7 is the F-F of Fig. 6 to structural representation；
Fig. 8 is the B-B direction structural representation of Fig. 7；
Fig. 9 is for C-C in Fig. 2 to cross section structure diagram；
Figure 10 is for D-D in Fig. 2 to cross section structure diagram；
Figure 11 is to detect view using detecting tool of the present invention.
Specific embodiment
Detecting tool of the present invention includes detection means and positioner, and detection means is installed on the test side of positioner
Portion, detection means can integrally stretch into body cam in the hole together with positioner, and described detection means is positioned by positioner
The position of detector gap is needed to body cam hole.
In the present embodiment, diesel-engine body is provided with two grades of camshaft bearing bore, sees Fig. 2, and wherein positioner includes guide pin bushing 3 He
Slide bar 2, in the axial bore 19 of guide pin bushing 3 and slide bar 2 is connected slide bar 2 coaxial package with the inner thread of guide pin bushing 3, guide pin bushing 3
Corresponding to each grade of position of bearings of diesel-engine body cam circumferentially uniformly have four with the stretching of the axial bore UNICOM of guide pin bushing 3
Shrinkage cavity 20, is separately installed with slide block 4 in each telescopic hole 20, sees Fig. 3, Fig. 4 and Fig. 5, and slide bar 2 corresponds to diesel-engine body camshaft
At the position held and the radially inner side side face of slide block 4 between cone match；The radial outer side of four slide blocks 4 has locking
Groove 29, four slide blocks 4 pass through the second round wire circlip 5 radially locking of periphery, and the second round wire circlip 5 is embedded in described locking slot 29
Interior, see Figure 10；And the radially inner side end face of four slide blocks 4 is fitted by the second round wire circlip 5 with the conical surface of the periphery of slide bar 2；
The periphery of slide block 4 is provided with positioning convex 18；Slide bar 2, the periphery of guide pin bushing 3 have groove labeled slots 28；
Detection means includes pull bar 1, sliding sleeve 6, guide pad 23, proving ring 8, sees Fig. 2, and sliding sleeve 6 is slidably mounted on
The detection end of positioner, pull bar 1 coaxially runs through screw thread between positioner and sliding sleeve 6 and pull bar 1 and sliding sleeve 6 and connects
Connect, sliding sleeve 6 side face uniformly has the radial direction through hole 21 of at least two and axially extending bore 22 UNICOM of sliding sleeve 6, and at least two radially
It is separately installed with proving ring 8 in through hole 21, cone match between the radially inner side end face of proving ring 8 and pull bar 1 periphery, at least
The outer peripheral face after proving ring 8 split in two radial direction through hole 21 is in a circle；In the present embodiment, proving ring 8 is provided with three,
Sliding sleeve 6 side face uniformly has three radial direction through hole 21 with the axially extending bore UNICOM of sliding sleeve 6, sees Fig. 6, Fig. 7, Fig. 8 and Fig. 9, and three
By three guide pads 23, above three proving ring 8 is installed respectively in individual radial direction through hole 21, guide pad 23 includes guide part 24
With proving ring location division 25, see Fig. 2, guide part 24 is concentric with proving ring location division 25 to link into an integrated entity, and guide part 24 is installed on
In radial direction through hole 21, proving ring 8 has location hole 26, and proving ring location division 25 is flush-mounted in location hole 26, and guide part 24 is close
Cone match between one side end face of pull bar 1 and pull bar 1 outer peripheral face；After the split of three proving rings 8, its outer peripheral face forms one
Circular；The outer peripheral face of three proving rings 8 all has an annular groove 9, and three proving rings 8 pass through the first round wire circlip 10 of periphery
Radially lock and ensure that between the radially inner side end face of three proving rings 8 and the outer peripheral face of pull bar 1, the conical surface is fitted, the first steel
Silk retainer 10 is embedded in annular groove 8；
The sliding sleeve 6 of detection means is axially displaceably installed on the detection end 11 of the guide pin bushing 3 of positioner；Sliding sleeve 6
Installation portion 12 is set in the detection end periphery of guide pin bushing 3, and the installation portion 12 of sliding sleeve 6 has axial stopper slot 13, the inspection of guide pin bushing 3
Survey end 11 and have the limit pin hole 14 of radial direction, see Fig. 6, Fig. 7 and Fig. 8, the detection end 11 of sliding sleeve 6 and guide pin bushing 3 is by spacing
Pin 7 is spacing, and spacer pin 7 is installed in limit pin hole 14 radially across after stopper slot 13；Pull bar 1 axially penetrates through slide bar 2, guide pin bushing
3 detection end 11 and sliding sleeve 6, and pull bar 1 is connected with the inner thread of sliding sleeve 6；
Slide bar 2, the outside external part of pull bar 1 are separately installed with handle 15,16.
The assembling of the detecting tool of the present embodiment and the detection course of work are detailed below：
During assembling, slide bar 2 is inserted in guide pin bushing 3 and to during screw thread, slide bar 2 is threadeded with guide pin bushing 3, lead in the present embodiment
Set 3 is provided with two grades of telescopic holes of before and after, and slide block 4 is provided with eight pieces altogether, eight pieces of slide blocks 4 be respectively arranged in guide pin bushing 3 before and after two grades
In telescopic hole, the taper direction of slide block 4 is mated with the outer peripheral face conical surface of slide bar 2, and two grades are received by two the second round wire circlips 5 respectively
Slide block 4 in shrinkage cavity is tightened up and the conical surface of each piece of slide block 4 is fitted with the conical surface of slide bar 2 outer peripheral face；Then by the installation of sliding sleeve 6
Portion 12 is set in detection end 11 periphery of guide pin bushing 3, and spacer pin 7 passes through the stopper slot 13 of sliding sleeve 6 to insert the detection end of guide pin bushing 3
In 11 limit pin hole 14, sliding sleeve 6 i.e. can be with spacer pin 7 for spacing axial movement；Pull bar 1 is inserted successively from sliding sleeve 6 side
Enter sliding sleeve 6, guide pin bushing 3, slide bar 2 is until pull bar 1 is connected with slide bar 2 inner thread, then install on slide bar 2, pull bar 1 respectively
Handle 15,16；Three proving rings 8 are connected with corresponding guide pad 23 respectively, and the guide part 24 of three guide pads 23 is filled
Enter in three radial direction through hole 21 of sliding sleeve 6, the guide part of three guide pads 23 end face near pull bar 1 side with and pull bar
Cone match between 1 outer peripheral face, three proving rings 8 are radially locked thus ensureing three guide pads 23 by the first round wire circlip 10
The end face near pull bar side for the guide part 24 fit with the outer peripheral face conical surface of pull bar 1.
Before detection, can slide bar 2, guide pin bushing 3 outer peripheral face according to the adjacent bearing guard in diesel engine cam hole between
Away from carrying out groove labeled slots 28；See Figure 11, during detection, the above-mentioned detecting tool assembling integrally is stretched into diesel-engine body cam
In the hole, checks that slide bar 2 or the corresponding groove labeled slots 28 of guide pin bushing 3 are alignd, really by different Kong Shixu with body cam hole end surface 27
Protect slide block 4 to be at cam hole bearing guard；Rotate slide bar 2, slide bar 2 moves axially with respect to guide pin bushing 3, the periphery conical surface of slide bar 2
Promote slide block 4 radially outward spreading until the projection 18 of slide block 4 periphery and diesel-engine body cam hole contact internal walls, guide pin bushing 3 is
With respect to cam hole bearing guard positioning；Then rotating sliding bar 1, makes pull bar 1 move axially with respect to sliding sleeve 6, in pull bar 1
During axial movement its periphery conical surface promote guide pad 23 drive proving ring 8 radially outward spreading until after the split of three proving rings 8
The round diameter being formed reaches the size ensureing that camshaft device requires, more axially pulls pull bar 1 back and forth so that three splits
Conglobate proving ring 8 passes through at the minimum clearance that diesel-engine body blank is reserved, and such as pull bar 1 is in the mistake of axially push-and-pull back and forth
Phenomenon with the collision of cylinder bore of diesel engine outer wall does not occur in journey, then will not interfere when assembling camshaft, if
When pull bar 1 moves axially, the cylindrical of three proving ring 8 split formation can not be by minimum clearance, then camshaft be in device
When can interfere needs and reprocess.
Claims (9)
1. at diesel-engine body cam hole gap detecting tool it is characterised in that：It includes detection means and positioner, institute
State the detection end that detection means is installed on described positioner, described detection means can be overall together with described positioner
Stretch into body cam in the hole, described detection means is positioned by described positioner needs the position of detector gap to body cam hole
Put, described detection means includes pull bar, sliding sleeve and proving ring, described sliding sleeve is slidably mounted on the inspection of described positioner
Survey end, described pull bar coaxially sequentially passes through described positioner, sliding sleeve and spiral shell between described pull bar and described sliding sleeve
Line connects, and described sliding sleeve side face uniformly has a radial direction through hole of at least two and the axially extending bore UNICOM of described sliding sleeve, described extremely
It is separately installed with proving ring, between the radially inner side end face of described proving ring and described pull bar periphery in few two radial direction through hole
Cone match, the outer peripheral face after proving ring split in described at least two radial direction through hole is in a circle；
Described detection means also includes guide pad, and described guide pad includes guide part and proving ring location division, described guide part with
Proving ring location division links into an integrated entity with one heart, and described guide part is installed in described radial direction through hole, and described proving ring has positioning
Hole, described proving ring location division is flush-mounted in described positioning in the hole, and described guide part is near a side end face of described pull bar and institute
State cone match between pull bar outer peripheral face.
2. according to claim 1 at diesel-engine body cam hole gap detecting tool it is characterised in that：Described at least two
The outer peripheral face of individual proving ring all has an annular groove, and described at least two proving rings pass through the first round wire circlip of periphery radially
Lock and ensure that between the radially inner side end face of described at least two proving rings and the outer peripheral face of described pull bar, the conical surface is fitted,
Described first round wire circlip is embedded in described annular groove.
3. according to claim 2 at diesel-engine body cam hole gap detecting tool it is characterised in that：Described positioning dress
Put including guide pin bushing and slide bar, described slide bar coaxial package is in the axial bore of described guide pin bushing and described slide bar and described guide pin bushing
Inner thread connect, described guide pin bushing circumferentially uniformly has at least two and institute corresponding to diesel-engine body camshaft bearing position
State the telescopic hole of the axial bore UNICOM of guide pin bushing, described flexible in the hole is provided with slide block, described slide bar corresponds to described diesel engine machine
At the position of body camshaft bearing and the radially inner side side face of described slide block between cone match.
4. according to claim 3 at diesel-engine body cam hole gap detecting tool it is characterised in that：Described guide pin bushing
Radial outer side has locking slot, and the slide block of described at least two flexible in the holes passes through the second round wire circlip radially lock of periphery
Tightly, described second round wire circlip is embedded in described locking slot.
5. according to claim 3 at diesel-engine body cam hole gap detecting tool it is characterised in that：Described guide pin bushing,
The outer peripheral face of slide bar has groove labeled slots.
6. according to claim 3 at diesel-engine body cam hole gap detecting tool it is characterised in that：Described slide block
Periphery is provided with positioning convex.
7. according to claim 3 at diesel-engine body cam hole gap detecting tool it is characterised in that：Described sliding sleeve can
Axially movably it is installed on the detection end of described guide pin bushing；Described sliding sleeve is set in the test side of described guide pin bushing by its installation portion
Portion periphery, the installation portion of described sliding sleeve has axial stopper slot, and the detection end of described guide pin bushing has the limit pin hole of radial direction,
Described sliding sleeve is spacing by spacer pin with the detection end of described guide pin bushing, and described spacer pin is installed radially across after described stopper slot
In described limit pin hole.
8. according to claim 7 at diesel-engine body cam hole gap detecting tool it is characterised in that：Described pull bar
Axially sequentially pass through described slide bar, the detection end of described guide pin bushing and sliding sleeve, and described pull bar and described sliding sleeve is interior
Wall is threaded.
9. according to claim 7 at diesel-engine body cam hole gap detecting tool it is characterised in that：Described slide bar,
The outside external part of described pull bar is separately installed with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243944.1A CN104006723B (en) | 2014-06-04 | 2014-06-04 | Tool for detecting gap at position of diesel engine body cam hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243944.1A CN104006723B (en) | 2014-06-04 | 2014-06-04 | Tool for detecting gap at position of diesel engine body cam hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104006723A CN104006723A (en) | 2014-08-27 |
| CN104006723B true CN104006723B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410243944.1A Active CN104006723B (en) | 2014-06-04 | 2014-06-04 | Tool for detecting gap at position of diesel engine body cam hole |
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| CN (1) | CN104006723B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353673A (en) * | 2016-08-30 | 2017-01-25 | 安徽中电兴发与鑫龙科技股份有限公司 | Device for detecting contact distance of circuit breaker |
| CN106500568B (en) * | 2016-12-16 | 2023-01-17 | 苏州美瑞时科技有限公司 | Adjustable height gauge measuring head |
| CN111156938A (en) * | 2018-11-07 | 2020-05-15 | 宝沃汽车（中国）有限公司 | Engine cylinder clearance volume measuring device and measuring method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD241466A1 (en) * | 1985-10-02 | 1986-12-10 | Mikroelektronik Zt Forsch Tech | HAND-HELD DEVICE FOR STITCHING |
| JP2006153827A (en) * | 2004-11-26 | 2006-06-15 | Metrol Ltd | Sensor for adhesion check |
| CN201078275Y (en) * | 2007-07-25 | 2008-06-25 | 上海柴油机股份有限公司 | Adjuster of angle of advance for oil spraying of diesel engine |
| CN201532179U (en) * | 2009-09-30 | 2010-07-21 | 青特集团有限公司 | Check tool for gap of differential case and half axle gear |
| CN201569405U (en) * | 2009-11-11 | 2010-09-01 | 平高集团有限公司 | Novel coaxial detecting tool |
| CN201867152U (en) * | 2010-11-26 | 2011-06-15 | 青特集团有限公司 | Tooth flank gap measuring device for differential mechanism |
| CN102829699B (en) * | 2012-08-03 | 2015-06-17 | 上海电气电站设备有限公司 | Device and method for measuring gap between steam turbine movable blades and cylinder inner wall |
| CN203231730U (en) * | 2013-05-24 | 2013-10-09 | 江苏建一机床有限公司 | Tool for detecting coaxiality of installing hole and bearing hole of motor base |
| CN203981087U (en) * | 2014-06-04 | 2014-12-03 | 无锡动力工程股份有限公司 | The detection frock in gap, a kind of diesel-engine body cam hole place |
-
2014
- 2014-06-04 CN CN201410243944.1A patent/CN104006723B/en active Active
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| CN104006723A (en) | 2014-08-27 |
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