CN205482684U - Diesel engine cylinder head disk seat conical surface is beated and is examined utensil - Google Patents
Diesel engine cylinder head disk seat conical surface is beated and is examined utensil Download PDFInfo
- Publication number
- CN205482684U CN205482684U CN201620062277.1U CN201620062277U CN205482684U CN 205482684 U CN205482684 U CN 205482684U CN 201620062277 U CN201620062277 U CN 201620062277U CN 205482684 U CN205482684 U CN 205482684U
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- mandrel
- sleeve
- diesel engine
- conical surface
- engine cylinder
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Abstract
The utility model discloses a diesel engine cylinder head disk seat conical surface is beated and is examined utensil, dial test indicator detection mechanism including upper portion, the dial test indicator supporting mechanism at middle part and the locking mechanism of lower part, dial test indicator detection mechanism includes the dial test indicator, dial cover and locking screw, the dial test indicator supporting mechanism includes connecting screw, it is top, the sleeve, dabber and swivel nut locking mechanism, on swivel nut locking mechanism fixes in the middle part of the dabber, the dabber setting circle conic section at dabber middle part injects in the valve guide upper end, the dabber lower extreme passes the valve guide hole, fix at the valve guide downside through locking mechanism. The utility model discloses having improved the detection precision that the diesel engine cylinder head disk seat conical surface is beated greatly, having kept dabber and valve guide coaxial, it is not influenced to detect the precision. Convenient to use, low in manufacturing cost have improved measurement of efficiency, have satisfied the detection requirement of production site to the batch product, have reduced the detection cost.
Description
Technical field
This utility model relates to the form and position tolerance detection device of a kind of bellmouth, is used for detecting diesel engine particularly to one
The device of cylinder cover valve seat conical surface glitch detection, belongs to mechanical part tolerance and detection technique field.
Background technology
The machining accuracy of cylinder cover for diesel engine is very big on the impact of the work quality of diesel engine, especially the valve seat conical surface and
The relative positional accuracy of valve guide, directly affects the performance of diesel engine.Therefore, it is necessary to the cylinder cover valve seat of batch machining is bored
The positional precision in face detects one by one.Existing detection method is to use three-coordinates measuring machine detection diesel engine cylinder cover valve seat
Beated deviation in valve guide hole by the conical surface, but the three-coordinates measuring machine detection time is longer, and use cost is higher, is only used for
Sampling observation, is not suitable for production scene and detects the cylinder cover valve seat conical surface of batch production one by one.
Utility model content
The purpose of this utility model is to provide a kind of compact conformation, is easy to enter the diesel engine cylinder cover valve seat of batch production
The cubing of row conical surface glitch detection, improves detection efficiency.
This utility model is achieved by the following technical programs:
A kind of diesel engine cylinder cover valve seat conical surface bounce gauge, including the dial test indicator testing agency on top, middle part
Dial test indicator supporting mechanism and the retaining mechanism of bottom, described dial test indicator testing agency includes dial test indicator, pulling sleeve
And tie down screw, the connecting rod of dial test indicator rear end passes across pulling sleeve, is fixed on by being screwed into the tie down screw of pulling sleeve upper end
On pulling sleeve；Described dial test indicator supporting mechanism includes connecting stud, top, sleeve, mandrel and swivel nut retaining mechanism, connects spiral shell
Post upper and lower side is fixing with pulling sleeve lower end and swivel nut upper end respectively to be connected, and the top connecting stud that passes perpendicularly through, spiral shell is passed through in top upper end
Mother is locked in connecting stud top, and top lower end conehead is supported on mandrel top；Swivel nut retaining mechanism is fixed on in the middle part of mandrel,
Being additionally provided with mandrel positioning cone section in the middle part of mandrel, described mandrel positioning cone section is positioned on the downside of swivel nut retaining mechanism, and mandrel is fixed
Position conical section injects in valve guide upper end, and mandrel lower end passes valve guide endoporus, is fixed on air valve by retaining mechanism and leads
On the downside of pipe.
The purpose of this utility model can also be realized further by techniques below measure.
Aforesaid diesel engine cylinder cover valve seat conical surface bounce gauge, wherein said retaining mechanism includes clamp sleeve, stop
Pin, stage clip and jam nut, clamp sleeve puts in valve guide, clamp sleeve upper end and mandrel lower cone through mandrel lower end
Section taper fit；Latch passes across clamp sleeve lower end and mandrel bottom, and jam nut is screwed on mandrel lower end, jam nut
Clamp sleeve lower end is pushed down in upper end, and stage clip is between the outer peripheral face of clamp sleeve endoporus and mandrel lower cone segments, under mandrel
Portion is fixed in valve guide endoporus by clamp sleeve.The uniform several elastic claws in clamp sleeve upper end, described elastic claw is positioned at
Between valve guide endoporus and mandrel lower cone segments, elastic claw cylindrical and clamp sleeve inner hole, elastic claw taper hole and core
Axle lower cone segments taper fit.The tapering of described mandrel lower cone segments is 1:5.6～1:5.8.
Aforesaid diesel engine cylinder cover valve seat conical surface bounce gauge, wherein said top lower end conehead is supported on mandrel top
In the cone shaped countersink of central authorities.
Aforesaid diesel engine cylinder cover valve seat conical surface bounce gauge, wherein said swivel nut retaining mechanism include several piece voussoir,
Several wedge grooves on the hub internal bore corresponding with voussoir position and swivel nut, several piece voussoir be distributed in the middle part of mandrel outside conical section and
Between hub internal bore；The outer vertical side of voussoir is embedded in the wedge groove that hub internal bore lower end is corresponding, and voussoir inner conical face is resisted against mandrel
On the outer peripheral face of middle part conical section, swivel nut is screwed on sleeve lower end, and the medial surface of swivel nut lower end compresses voussoir lower end makes mandrel lead to
Cross several piece voussoir to be supported in sleeve.Described voussoir is copper voussoir.
In the middle part of described voussoir and mandrel, the tapering of conical section is equal, is 1:3.66～1:3.70.Mandrel positioning cone section
Tapering be 1:11.4～1:11.6.The tapering of mandrel lower cone segments is 1:5.6～1:5.8.
Mandrel of the present utility model is provided with conical section in the middle part of mandrel, mandrel positioning cone section and mandrel lower cone segments, logical
Overregulating retaining mechanism can make the pulling sleeve of support lever amesdial coaxial with mandrel, and mandrel is by the mandrel positioning cone in the middle part of it
The mandrel lower cone segments location of section and bottom is fixed in valve guide, and it is coaxial with valve guide to reach mandrel, thus
Substantially increase the accuracy of detection that the diesel engine cylinder cover valve seat conical surface is beated.After life-time service voussoir weares and teares, only need to again twist
Tight swivel nut eliminates the lateral clearance between sleeve and mandrel, and mandrel just can be kept coaxial with valve guide, and accuracy of detection is not by shadow
Ring.This utility model is easy to use, low cost of manufacture, improves measurement efficiency, instead of use three-coordinates measuring machine to diesel oil
The detection that the machine cylinder cover valve seat conical surface is beated, meets the production scene testing requirement to bulk article, reduces testing cost.
Advantage of the present utility model and feature, will carry out figure explanation by the non-limitative illustration of preferred embodiment below,
These embodiments, are only used as example referring to the drawings and are given.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the A-A sectional view of Fig. 1；
Fig. 4 is I enlarged drawing of Fig. 1.
Detailed description of the invention
The embodiment of separate-blas estimation beat below in conjunction with the accompanying drawings to this reality with the L21 type diesel engine cylinder head for ship valve seat conical surface
It is described further with novel.
As shown in Figure 1 to 4, this utility model includes the dial test indicator testing agency 1 on top, thousand points of the lever at middle part
The retaining mechanism 3 of table supporting mechanism 2 and bottom, dial test indicator testing agency 1 includes dial test indicator 11, pulling sleeve 12 and locking
Screw rod 13, the connecting rod 111 of dial test indicator 11 rear end passes across pulling sleeve 12, by being screwed into the tie down screw 13 of pulling sleeve 12 upper end
It is fixed on pulling sleeve 12.Such structure is easy to regulate the position of dial test indicator 1, makes dial test indicator contact pilotage 112 termination support
Lean against on the cylinder cover valve seat conical surface 100.
Dial test indicator supporting mechanism 2 includes connecting stud 21, top 22, sleeve 23, mandrel 24 and swivel nut retaining mechanism
25, swivel nut retaining mechanism 25 includes 3 wedge grooves uniform on sleeve 23 endoporus that 3 pieces of voussoirs 251 are corresponding with voussoir 251 position
252 and 253,3 pieces of voussoirs 251 of swivel nut be distributed in the middle part of mandrel outside conical section 241 and between sleeve 23, voussoir 251 is copper
Voussoir, its outer vertical side is embedded in the wedge groove 252 that sleeve 23 endoporus lower end is corresponding, and voussoir 251 inner conical face is resisted against in mandrel
On the outer peripheral face of portion's conical section 241, swivel nut 253 is screwed on sleeve 23 lower end, and the medial surface of swivel nut 253 lower end compresses voussoir 251
Lower end makes that sleeve 23 and mandrel are fixing to be connected, and copper voussoir will not be killed with sleeve 23 and mandrel 24, to regulation mandrel 24 with overlap
The axiality of cylinder 23 plays compensating action.Connecting stud 21 upper and lower side passes through spiral shell with pulling sleeve 23 lower end and swivel nut 253 upper end respectively
Stricture of vagina is fixing to be connected, and top 22 pass perpendicularly through connecting stud 21, and top 22 upper ends are locked in connecting stud 21 top by nut 26,
Top lower end conehead is supported in the cone shaped countersink 244 of mandrel 24 center of top.Swivel nut retaining mechanism 25 is fixed in mandrel 24
In portion, being additionally provided with mandrel positioning cone section 242 in the middle part of mandrel 24, described mandrel positioning cone section 242 is positioned at swivel nut locking machine
On the downside of structure 25, mandrel positioning cone section 242 injects in the step of valve guide 200 upper end, and mandrel 24 lower end passes valve guide
Endoporus 201, is fixed on the downside of valve guide 200 by retaining mechanism 3.
Retaining mechanism 3 includes clamp sleeve 31, latch 32, stage clip 33 and jam nut 34, and clamp sleeve 32 is through core
Axle 24 lower end puts in valve guide 200, and the uniform several elastic claws 321 in clamp sleeve 32 upper end, elastic claw 321 is positioned at valve guide
Between 200 endoporus and mandrel lower cone segments 243, elastic claw 321 cylindrical and clamp sleeve 31 inner hole, elastic claw 311 is bored
Hole and mandrel lower cone segments 243 taper fit.Latch 32 passes across clamp sleeve 31 lower end and mandrel 24 bottom, can in case
Only stage clip 33 and clamp sleeve 31 come off.Jam nut 34 is screwed on mandrel 24 lower end, and clamping sleeve is pushed down in jam nut 34 upper end
Pipe 31 lower end, stage clip 33 is between the outer peripheral face of clamp sleeve 31 endoporus and mandrel lower cone segments 243, and mandrel 24 bottom leads to
Cross clamp sleeve 31 to be fixed in valve guide 200 endoporus.
In the middle part of voussoir 251 and mandrel, the tapering of conical section 241 is equal, is 1:3.66～1:3.70, preferably 1:3.68；Core
The tapering of axle positioning cone section 242 is 1:11.4～1:11.6, preferably 1:11.5.The tapering of mandrel lower cone segments 243 is 1:
5.6～1:5.8, preferably 1:5.7.
The process using this utility model detection diesel engine cylinder cover valve seat conical surface to beat is as follows:
1) first connecting stud 21 upper and lower side is threaded connection integral with pulling sleeve 12, sleeve 23 respectively, then will top
Point 22 is vertically screwed into connecting stud 21, and top 22 lower ends pass connecting stud 21, and top 22 upper end nuts 26 lock.
2) again mandrel 24 upper end is put in sleeve 23 lower end, and.3 voussoirs 251 are respectively perpendicular and are embedded in sleeve 23
In the wedge groove 252 that lower end, hole is corresponding, the inner conical face of voussoir 251 is made to be resisted against in the middle part of mandrel on the outer peripheral face of conical section 241,
Screw on swivel nut 253 in sleeve 23 lower end；Mandrel 24 is supported in sleeve 23 by 3 pieces of voussoirs 251；Top 22 lower end conehead 221
Support is in the cone shaped countersink 244 of mandrel 24 center of top.
3) tighten swivel nut 253, promote three voussoirs 251 to move up, regulate three voussoirs 251 and core by swivel nut 253
The tightness of conical section 241 in the middle part of axle, so that pulling sleeve 12 axis and mandrel 24 axis coaxle；Lock top 22 the most respectively
Locking nut 254 on the nut 26 of upper end and swivel nut 253.
4) rotate pulling sleeve 12, drive top 22,23, three voussoirs 251 of sleeve, swivel nut 253 and locking nut 254 around mandrel
24 axis rotate, and check whether each tumbler occurs horizontal vibration, if nothing, then show that pulling sleeve 12 axis is same with mandrel 24 axis
Axle.
5) again mandrel 24 is injected valve guide 200, make mandrel positioning cone section 242 imbed on valve guide 200 endoporus
The stepped hole of end, mandrel 24 lower end passes valve guide 200.Stage clip 33 is enclosed within mandrel 24 lower end, then by clamp sleeve
31 pass mandrel 24 lower end, put in valve guide 200, several elasticity of clamp sleeve 31 upper end on the downside of valve guide 200
Pawl 321 and mandrel lower cone segments 243 taper fit；Latch 32 passes across clamp sleeve 31 lower end and mandrel 24 bottom, pressure
Tight blind nut 34 is screwed on mandrel 24 lower end, and clamp sleeve 31 lower end is pushed down in jam nut 34 upper end.Tighten jam nut 34, promote
Moving on clamp sleeve 31, several elastic claws 321 of clamp sleeve 31 upper end are embedded in mandrel lower cone segments 243 and valve guide
Between hole 201, so that mandrel 24 is coaxial with valve guide endoporus 201；Mandrel 24 is by mandrel positioning cone section 242 and mandrel
Lower cone segments 243 location is fixed in valve guide endoporus 201.
6) connecting rod 111 of dial test indicator 11 rear end is passed across pulling sleeve 12, turn the tie down screw of pulling sleeve 12 upper end
13 so that it is outside termination is resisted against in the middle part of connecting rod 111.Move axially adjustment connecting rod 111, it is ensured that dial test indicator contact pilotage 112
Termination is resisted against on the cylinder cover valve seat conical surface 100. then tighten the tie down screw 13 of pulling sleeve 12 upper end, truck dead lever amesdial 11
Position；
7) pulling sleeve 12 is rotated so that dial test indicator contact pilotage 112 termination rotates one week on the valve seat conical surface 100, the most readable
Go out the deviation value of beating shown in dial test indicator 11.
In addition to the implementation, this utility model can also have other embodiments, all employing equivalents or equivalence to become
Change the technical scheme of formation, all fall within the protection domain of this utility model requirement.
Claims (9)
1. a diesel engine cylinder cover valve seat conical surface bounce gauge, including the dial test indicator testing agency on top, the thick stick at middle part
Bar amesdial supporting mechanism and the retaining mechanism of bottom, described dial test indicator testing agency include dial test indicator, pulling sleeve and
Tie down screw, the connecting rod of dial test indicator rear end passes across pulling sleeve, by be screwed into the tie down screw of pulling sleeve upper end be fixed on dial
Put；It is characterized in that: described dial test indicator supporting mechanism includes connecting stud, top, sleeve, mandrel and swivel nut locking machine
Structure, connecting stud upper and lower side is fixing with pulling sleeve lower end and swivel nut upper end respectively to be connected, the top connecting stud that passes perpendicularly through, top on
End is by nut locking at connecting stud top, and top lower end conehead is supported on mandrel top；Swivel nut retaining mechanism is fixed on core
On in the middle part of axle, being additionally provided with mandrel positioning cone section in the middle part of mandrel, described mandrel positioning cone section is positioned under swivel nut retaining mechanism
Side, mandrel positioning cone section injects in valve guide upper end, and mandrel lower end passes valve guide endoporus, is fixed by retaining mechanism
On the downside of valve guide.
2. diesel engine cylinder cover valve seat conical surface bounce gauge as claimed in claim 1, it is characterised in that: described retaining mechanism bag
Including clamp sleeve, latch, stage clip and jam nut, clamp sleeve puts in valve guide through mandrel lower end, clamp sleeve
Upper end and mandrel lower cone segments taper fit；Latch passes across clamp sleeve lower end and mandrel bottom, and jam nut is screwed in
On mandrel lower end, clamp sleeve lower end is pushed down in jam nut upper end, and stage clip is positioned at clamp sleeve endoporus and mandrel lower cone segments
Outer peripheral face between, mandrel bottom is fixed in valve guide endoporus by clamp sleeve.
3. diesel engine cylinder cover valve seat conical surface bounce gauge as claimed in claim 2, it is characterised in that: clamp sleeve upper end is equal
The several elastic claw of cloth, described elastic claw between valve guide endoporus and mandrel lower cone segments, elastic claw cylindrical and compression
Casing tube internal hole coordinates, elastic claw taper hole and mandrel lower cone segments taper fit.
4. diesel engine cylinder cover valve seat conical surface bounce gauge as claimed in claim 2, it is characterised in that: described mandrel bottom circle
The tapering of cone section is 1:5.6～1:5.8.
5. diesel engine cylinder cover valve seat conical surface bounce gauge as claimed in claim 1, it is characterised in that: described top lower end cone
Head is supported in the cone shaped countersink of mandrel center of top.
6. diesel engine cylinder cover valve seat conical surface bounce gauge as claimed in claim 1, it is characterised in that: described swivel nut locking machine
Structure includes the several wedge grooves on the hub internal bore that several piece voussoir is corresponding with voussoir position and swivel nut, and several piece voussoir is distributed on mandrel
Outside the conical section of middle part and between hub internal bore；The outer vertical side of voussoir is embedded in the wedge groove that hub internal bore lower end is corresponding, in voussoir
Taper surface is resisted against in the middle part of mandrel on the outer peripheral face of conical section, and swivel nut is screwed on sleeve lower end, and the medial surface of swivel nut lower end compresses
Voussoir lower end makes mandrel be supported in sleeve by several piece voussoir.
7. diesel engine cylinder cover valve seat conical surface bounce gauge as claimed in claim 6, it is characterised in that: described voussoir is copper
Voussoir.
8. diesel engine cylinder cover valve seat conical surface bounce gauge as claimed in claim 6, it is characterised in that: described voussoir and mandrel
The tapering of middle part conical section is equal, is 1:3.66～1:3.70.
9. diesel engine cylinder cover valve seat conical surface bounce gauge as claimed in claim 1, it is characterised in that: described mandrel setting circle
The tapering of cone section is 1:11.4～1:11.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062277.1U CN205482684U (en) | 2016-01-22 | 2016-01-22 | Diesel engine cylinder head disk seat conical surface is beated and is examined utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062277.1U CN205482684U (en) | 2016-01-22 | 2016-01-22 | Diesel engine cylinder head disk seat conical surface is beated and is examined utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205482684U true CN205482684U (en) | 2016-08-17 |
Family
ID=56638287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620062277.1U Withdrawn - After Issue CN205482684U (en) | 2016-01-22 | 2016-01-22 | Diesel engine cylinder head disk seat conical surface is beated and is examined utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205482684U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526841A (en) * | 2016-01-22 | 2016-04-27 | 中船动力有限公司 | Bouncing detection tool and detection method for conical surface of diesel engine cylinder cap valve seat |
| CN106679609A (en) * | 2016-11-23 | 2017-05-17 | 广东韶钢工程技术有限公司 | Applications of combination device for improving axis alignment measurement accuracy |
| CN109990682A (en) * | 2019-05-06 | 2019-07-09 | 广西玉柴机器股份有限公司 | A kind of method and auxiliary mould measuring valve retainer circular runout |
| CN110695910A (en) * | 2019-10-30 | 2020-01-17 | 中船动力有限公司 | Tool and method for disassembling and assembling exhaust valve and valve seat of diesel engine |
-
2016
- 2016-01-22 CN CN201620062277.1U patent/CN205482684U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526841A (en) * | 2016-01-22 | 2016-04-27 | 中船动力有限公司 | Bouncing detection tool and detection method for conical surface of diesel engine cylinder cap valve seat |
| CN105526841B (en) * | 2016-01-22 | 2018-07-27 | 中船动力有限公司 | Diesel engine cylinder cover valve seat conical surface bounce gauge and detection method |
| CN106679609A (en) * | 2016-11-23 | 2017-05-17 | 广东韶钢工程技术有限公司 | Applications of combination device for improving axis alignment measurement accuracy |
| CN109990682A (en) * | 2019-05-06 | 2019-07-09 | 广西玉柴机器股份有限公司 | A kind of method and auxiliary mould measuring valve retainer circular runout |
| CN109990682B (en) * | 2019-05-06 | 2024-02-09 | 广西玉柴机器股份有限公司 | Method for measuring radial runout of valve seat ring and auxiliary tool |
| CN110695910A (en) * | 2019-10-30 | 2020-01-17 | 中船动力有限公司 | Tool and method for disassembling and assembling exhaust valve and valve seat of diesel engine |
| CN110695910B (en) * | 2019-10-30 | 2023-11-28 | 中船动力有限公司 | Tool and method for disassembling and assembling exhaust valve and valve seat of diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20180727 |
|
| AV01 | Patent right actively abandoned |