CN206356999U - Milling tool for combustion gas control block inverted cone bottom of chamber sealing surface - Google Patents
Milling tool for combustion gas control block inverted cone bottom of chamber sealing surface Download PDFInfo
- Publication number
- CN206356999U CN206356999U CN201621452246.3U CN201621452246U CN206356999U CN 206356999 U CN206356999 U CN 206356999U CN 201621452246 U CN201621452246 U CN 201621452246U CN 206356999 U CN206356999 U CN 206356999U
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- China
- Prior art keywords
- planetary gear
- grinding
- combustion gas
- control block
- gas control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000567 combustion gas Substances 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 238000003801 milling Methods 0.000 title claims abstract description 25
- 238000000227 grinding Methods 0.000 claims abstract description 70
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 235000013351 cheese Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
A kind of milling tool for combustion gas control block inverted cone bottom of chamber sealing surface, is made up of grinding executive item and positioning supporting part；Grinding executive item includes grinding head, planetary gear, mandrel and handle, mandrel includes central axle portion and eccentric axial portion, the axis of the central axle portion and the axis of eccentric axial portion are parallel to each other and there is eccentric throw, handle is removably attachable to the upper end of central axle portion, planetary gear is connected to the lower end of eccentric axial portion by bearing, grinding head be connected to the downside of planetary gear and with the planetary gear coaxial rotating；Positioning supporting part includes abrasive body and centre wheel, and the central axle portion of mandrel is connected in the centre bore of abrasive body by bearing, and centre wheel is internal gear, is engaged with planetary gear, is fixed on the lower end of abrasive body and coaxial with its centre bore；The rotation of handle is converted into the compound motion of the rotation and revolution of grinding head by the transmission of planetary wheeling mechanism, and uniform grinding comprehensively is carried out to the inverted cone bottom of chamber sealing surface of combustion gas control block.The utility model improves grinding quality and efficiency, has the advantages that easy to use, grinding track is controllable.
Description
Technical field
The utility model is related to tool for mechanical machining, particularly a kind of to be used for dual-fuel diesel engine combustion gas control block rounding
The abrasive hand tool of bottom of chamber sealing surface is bored, belongs to diesel engine manufacturing technology field.
Background technology
With the development of LNG cargo ships, the ship of this high added value it is also proposed new to the Diesel engine of use
It is required that, it is necessary on the basis of traditional energy medium diesel oil, it is also possible to use natural gas as new power source, reaching the double combustions of a machine
The effect of material.Each manufacturer is directed to this demand to being transformed on EFI low-speed diesel engine, in original cylinder hydraulic control
Combustion gas controlling organization is added on unit, the combustion gas controlling organization includes part combustion gas control block A as shown in Figure 1, the combustion
Gas control clamp dog A has the window valve opening A1 for accommodating window valve, and window valve opening A1 bottom is the inverted cone cavity of 45 ° of cone angles,
Referring to Fig. 2, the bottom surface of the inverted cone cavity is sealed with window valve body contact as sealing surface, and using metallic gasket.
Seal washer used herein uses S05R low-carbon steel materials, is that HTHP is natural due to what is be passed through in combustion gas control block A
Gas, and seal washer is low-carbon steel material, therefore in the case of heated be pressurized, the deflection of the seal washer can be larger,
In view of this factor, the inwall of the seal washer and window valve opening A1 should leave certain interval in the case of normal temperature, during installation
Can diametrically have certain sliding space, thus inverted cone bottom of chamber sealing surface A2 working region be actually greater than it is close
The external diameter of seal washer and window valve opening A1 neck finish diameter (see Fig. 2).
The inverted cone bottom of chamber sealing surface A2 has Ra0.8 roughness requirements.In the prior art, the inverted cone cavity
It is processed using 45° angle form cutter, and milling cutter cutting can not ensure inverted cone bottom of chamber sealing surface A2 Ra0.8 roughness
It is required that, therefore follow-up attrition process is essential.And for hand-ground mode, operating process there are following ask
Topic：
1. because the inverted cone cavity is inverted cone-shaped structure, neck finish diameter is less than bottom of chamber diameter, therefore general grinding work
Tool is stretched into after cavity eck, and the area that can be ground to necessarily is less than eck area, it is impossible to reach that the sealing surface of drawing requirement is big
It is small.
2. for traditional milling tool of the special design shape matching of back taper, it is necessary to ground by circular interpolation
Mill, but control the grinding of arc track is unavoidable to cause milling tool and scratching for cavity inner wall to be cut with crossing manually, cause cavity
The destruction of inner surface.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art to be used for combustion gas control block rounding there is provided one kind
The milling tool of bottom of chamber sealing surface is bored, in the case where not destroying the eck and side wall of window valve opening cavity, to inverted cone bottom of chamber
Sealing surface carries out uniform fine gtinding comprehensively, reaches the effect for improving lapped face quality and grinding efficiency, solves double fuel
The attrition process problem of inverted cone bottom of chamber sealing surface in diesel engine combustion gas control block.
To achieve the above object, technical solution of the present utility model is as follows：
A kind of milling tool for combustion gas control block inverted cone bottom of chamber sealing surface, is performed by the grinding for playing abrasive action
Part is constituted with spacing and fixation positioning supporting part is played；
The grinding executive item includes grinding head, planetary gear, mandrel and handle, and the mandrel includes being located at for interconnection
The central axle portion on top and the eccentric axial portion positioned at bottom, the axis of the central axle portion and the axis of eccentric axial portion be parallel to each other and
In the presence of an eccentric throw, the handle is removably attachable to the upper end of the central axle portion, and the planetary gear passes through clutch shaft bearing
The lower end of the eccentric axial portion is connected to, the grinding head is connected to the downside of the planetary gear, and coaxial with the planetary gear
Rotation；
The positioning supporting part is nested with outside the grinding executive item, including abrasive body and centre wheel, the mandrel
Central axle portion is connected in the centre bore of the abrasive body by second bearing and 3rd bearing, and the centre wheel is internal gear, Gu
Due to the lower end of the abrasive body and coaxial with the centre bore, the centre wheel is engaged with the planetary gear；
The transmission for the planetary wheeling mechanism that the rotation of the handle is made up of the mandrel, planetary gear and centre wheel, conversion
For the compound motion of the rotation and revolution of the grinding head, spiral is carried out to the inverted cone bottom of chamber sealing surface of the combustion gas control block
Comprehensive uniform grinding of shape.
Further, the side of the centre bore of described abrasive body is provided with the observation for being easy to adjust the planetary gear position
Hole.
Further, the upper surface of described planetary gear is provided with the keyway for being finely adjusted to the planetary gear angle.
Further, the bottom surface of described grinding head offer for store abrasive pastes and discharge grinding iron filings appearance bits
Groove.
Further, described grinding head is saucer wheel or flaring cup wheel.
Further, described clutch shaft bearing, second bearing and 3rd bearing are deep groove ball bearing.
Further, between the eccentric axial portion of the inner ring of described clutch shaft bearing and the mandrel, outer ring and the planet
It is interference fit between the centre bore of wheel；The inner ring of the second bearing and 3rd bearing and the central axle portion of the mandrel it
Between, it is that gap coordinates between the centre bore of outer ring and the abrasive body.
Further, described second bearing and 3rd bearing is by jump ring retainer ring spacing and is fixed on the abrasive body
In centre bore.
Further, realized by converting the gearratio of the planetary gear and centre wheel to the rotational velocity of the grinding head
With the adjustment of the ratio of revolution speed.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is by internal planetary gear structure by the rotation for being converted into grinding head of manual handle and public affairs
The compound motion turned, constitutes spiral regular grinding track so that the different parts of abradant surface all obtain chip, and grind
Flour milling is accumulated and the time is uniformly distributed, so that the quality of lapped face greatly improved, at the same by planetary gear structure carry it is outer
Circle limit function, it is to avoid cross the side wall for cutting and damaging inverted cone cavity.The utility model have it is esy to use, safe and reliable,
The controllable advantage of with low cost, grinding track, efficiently solves inverted cone cavity in dual-fuel diesel engine combustion gas control block
Bottom surface grinding processing problems.
Brief description of the drawings
Fig. 1 is the structure diagram of diesel engine combustion gas control block.
Fig. 2 is Fig. 1 N portions enlarged drawing.
Fig. 3 is structure sectional view of the present utility model.
Fig. 4 is schematic perspective view of the present utility model.
Fig. 5 is the structure sectional view of grinding executive item.
Fig. 6 is the structure sectional view of positioning supporting part.
Fig. 7 is use state figure of the present utility model.
In figure,
1-grinding head, 11-chip pocket, 2-planetary gear, 21-keyway, 3-clutch shaft bearing, 4-mandrel, 41-center
Axle portion, 42-eccentric axial portion, 5-handle, 6-centre wheel, 7-abrasive body, 71-peephole, 8-second bearing, 9-the three
Bearing, 10-jump ring back-up ring；
I-grinding executive item, II-positioning supporting part, A-combustion gas control block, A1-window valve opening, A2-inverted cone chamber
Bottom sealing surface.
Embodiment
Below in conjunction with the accompanying drawings with specific embodiment to described in the utility model close for combustion gas control block inverted cone bottom of chamber
The milling tool of front cover is further elaborated, but protection domain of the present utility model should not be limited with this.
As shown in Figure 3 and Figure 4, the milling tool for combustion gas control block inverted cone bottom of chamber sealing surface is manual work
Tool, is made up of, the grinding executive item I plays abrasive action, the positioning supporting part II grinding executive item I and positioning supporting part II
To spacing and fixation.
Referring to Fig. 5, the grinding executive item I includes grinding head 1, planetary gear 2, mandrel 4 and handle 5.
The mandrel 4 includes central axle portion 41 and the eccentric axial portion 42 being connected with each other, and the central axle portion 41 is located at top, should
Eccentric axial portion 42 is located at bottom, and the axis of the central axle portion 41 is parallel to each other and eccentric in the presence of one with the axis of eccentric axial portion 42
Away from.The handle 5 is removably connected to the upper end of the central axle portion 41 (such as by screw thread), is directly operated for pincers worker, makees
For the power resources of grinding operation.
The planetary gear 2 is an external gear, the lower end of the eccentric axial portion 42 is connected to by clutch shaft bearing 3, this first
Bearing 3 is deep groove ball bearing.Between the inner ring of described clutch shaft bearing 3 and the eccentric axial portion 42 of the mandrel 4 and outer ring with
Between the centre bore of the planetary gear 2 using interference fit, it is ensured that using and disassembly process in will not fall off and the grinding
First 1 can flexibly rotation.The upper surface of described planetary gear 2 is provided with keyway 21, to the angle of the planetary gear 2 during for installing
It is finely adjusted.
The grinding head 1 is fixedly connected on the downside of the planetary gear 2 by slotted cheese head screw, and with the planetary gear
2 into an entirety and coaxial rotating.The grinding head 1 plays grinding function as main working parts；The grinding head 1 can be with
For saucer wheel or flaring cup wheel, its cone angle is used for the intracavity sidewall for avoiding part to be ground.Open the bottom surface of described grinding head 1
Provided with chip pocket 11, for storing abrasive pastes and discharging grinding iron filings.
The monnolithic case profile of described grinding executive item I is less than the neck finish diameter of window valve opening A1 cavitys to be ground, from
And window valve opening A1 can be placed individually into.
Referring to Fig. 6, the positioning supporting part II is nested with outside the grinding executive item I, including abrasive body 7 and center
Wheel 6.Second bearing 8 and 3rd bearing 9 are deep groove ball bearing, spacing and be fixed on the abrasive body 7 by jump ring back-up ring 10
In centre bore, the central axle portion 41 of the mandrel 4 is connected to the center of the abrasive body 7 by the second bearing 8 and 3rd bearing 9
Kong Zhong, between the inner ring of the second bearing 8 and 3rd bearing 9 and the central axle portion 41 of the mandrel 4, outer ring and the grinding
It is that gap coordinates between the centre bore of body 7, to ensure install convenient.
The inwall formation gap of the cylindrical side wall of described abrasive body 7 and window valve opening A1 coordinates, to play the role of positioning, its
Upper surface is provided with screw, plays and is connected fastening effect with combustion gas control block A；The side of the centre bore of the abrasive body 7 is drilled with logical
The instruments such as scriber are stretched into hole as peephole 71 during being easily installed, adjust the position of the planetary gear 2 so as to it is described in
Heart wheel 6 is engaged.Hollow structure can also be made as needed for the abrasive body 7, to mitigate pts wt.
The centre wheel 6 is internal gear, is engaged with the planetary gear 2, and the centre wheel 6 is solid by alignment pin and threaded connection
Due to the lower end of the abrasive body 7, the centre wheel 6 cylindrical cylindrical less than the abrasive body 7 and with the center of the abrasive body 7
Hole is coaxial.Both the abrasive body 7 and centre wheel 6 can also be an one-piece parts.
Described planetary gear 2 at centre wheel 6 with, in sustained height, intermeshing after having assembled, the described lower end of mandrel 4
Eccentric axial portion 42 play planet carrier effect, the mandrel 4, planetary gear 2 and the three of centre wheel 6 collectively form a set of planet wheel body
System, is played a part of the limitation running orbit of grinding head 1, is separated with protecting window valve opening A1 side walls with grinding head 1, not by mistake
Cut.
The different drive ratios of the planetary gear 2 and centre wheel 6 can be reached by changing number of gear teeth, so as to realize pair
The adjustment of the rotational velocity of the grinding head 1 and the ratio of revolution speed, to adjust grinding track, reaches preferably grinding effect
Really.
The transmission for the planetary wheeling mechanism that the rotation of the handle 5 is made up of the mandrel 4, planetary gear 2 and centre wheel 6,
The compound motion of the rotation and revolution of the grinding head 1 is converted into, to the inverted cone bottom of chamber sealing surface A2 of the combustion gas control block A
Carry out spiral comprehensively uniform grinding.
Application example
An application example of the present utility model is exactly to MAN companies model double fuel low-speed diesel engine combustion gas control block
The grinding of part window valve insertion bottom hole sealing surface.
Referring to Fig. 7, using milling tool to combustion gas control block A inverted cone bottom of chamber sealing surface A2's in this application example
Grinding steps are as follows：
1. abrasive body 7, planetary gear 2 and mandrel 4 are assembled to be whole by slotted cheese head screw and clutch shaft bearing 3
Body, abrasive pastes in the coated on bottom side of grinding head 1 afterwards, then the entirety that this is assembled is put into the window of the combustion gas control block A
In valve opening A1.
2. two groups of deep groove ball bearing second bearings 8 and 3rd bearing 9 are installed in the centre bore of abrasive body 7, then fill
Enter two jump ring back-up rings 10 and complete spacing and fixed；Centre wheel 6 is fixedly connected on by abrasive body 7 by slotted cheese head screw
Lower surface, and it is coaxial with the centre bore of the abrasive body 7, complete the assembling of positioning supporting part II.
3. the grinding head 1 assembled, planetary gear 2 and mandrel 4 are adjusted, window valve opening A1 centre position is moved to, then
Positioning supporting part II is inserted in the aperture for being directed at window valve opening A1, makes the cylindrical and window valve opening A1 shapes of the abrasive body 7
Orientation direction effect is matched somebody with somebody into gap, to guide the positioning supporting part II to slip into the window valve opening A1, had declined in abrasive body 7
Cheng Zhong, finely tunes mandrel, 4 position makes in the second bearing 8 and 3rd bearing 9 that mandrel 4 is inserted in abrasive body 7.
4. by the peephole 71 of abrasive body 7, the position of planetary gear 2 is stirred using instruments such as scribers, make planetary gear 2 with
Heart wheel 6 reaches engagement.
5. after the abrasive body 7 is tightened on the combustion gas control block A, handle 5 is tightened in by screw thread
The upper end of mandrel 4, so as to complete the installation of the milling tool.
6. the planetary gear inside the milling tool is passed through by operating personnel's Manual press and rotating handles 5 after installing
Mechanism is by the compound motion of the rotation for being converted to grinding head 1 of handle 5 and revolution, to the inverted cone bottom of chamber sealing surface A2
It is ground.
In summary, by the regular grinding track of the spiral shape for operating milling tool described in the utility model to be generated, make
The area of cut and time for obtaining the different parts of abradant surface are uniformly distributed, and lapped face quality greatly improved, and pass through row
The cylindrical limit function that star wheel structure is carried, protects workpiece to be ground side wall only to cut, and efficiently solves such window valve neck
Mouth is less than the grinding problem inside the inverted cone-shaped structure of cavity.
It above are only preferred embodiment of the present utility model, it must further be noted that, those skilled in the art Fan Yiben
Various equivalent modifications, change and amendment that utility model application content is made, should all turn into the protection model of the utility model patent
Enclose.
Claims (9)
1. a kind of milling tool for combustion gas control block inverted cone bottom of chamber sealing surface, it is characterised in that the milling tool by
Play the grinding executive item of abrasive action and play spacing and fixation positioning supporting part and constitute；
The grinding executive item includes grinding head, planetary gear, mandrel and handle, and the mandrel is located at top including what is be connected with each other
Central axle portion and the eccentric axial portion positioned at bottom, the axis of the central axle portion and the axis of eccentric axial portion are parallel to each other and existed
One eccentric throw, the handle is removably attachable to the upper end of the central axle portion, and the planetary gear is connected by clutch shaft bearing
In the lower end of the eccentric axial portion, the grinding head is connected to the downside of the planetary gear, and with the planetary gear coaxial rotating；
The positioning supporting part is nested with outside the grinding executive item, including abrasive body and centre wheel, the center of the mandrel
Axle portion is connected in the centre bore of the abrasive body by second bearing and 3rd bearing, and the centre wheel is internal gear, is fixed on
The lower end of the abrasive body and coaxial with the centre bore, the centre wheel is engaged with the planetary gear；
The transmission for the planetary wheeling mechanism that the rotation of the handle is made up of the mandrel, planetary gear and centre wheel, is converted into institute
The compound motion of the rotation and revolution of grinding head is stated, the inverted cone bottom of chamber sealing surface progress to the combustion gas control block is spiral
Uniform grinding comprehensively.
2. the milling tool according to claim 1 for combustion gas control block inverted cone bottom of chamber sealing surface, it is characterised in that：
The side of the centre bore of described abrasive body is provided with the peephole for being easy to adjust the planetary gear position.
3. the milling tool according to claim 1 for combustion gas control block inverted cone bottom of chamber sealing surface, it is characterised in that：
The upper surface of described planetary gear is provided with the keyway for being finely adjusted to the planetary gear angle.
4. the milling tool according to claim 1 for combustion gas control block inverted cone bottom of chamber sealing surface, it is characterised in that：
The bottom surface of described grinding head offer for store abrasive pastes and discharge grinding iron filings chip pocket.
5. the milling tool according to claim 1 for combustion gas control block inverted cone bottom of chamber sealing surface, it is characterised in that：
Described grinding head is saucer wheel or flaring cup wheel.
6. the milling tool according to claim 1 for combustion gas control block inverted cone bottom of chamber sealing surface, it is characterised in that：
Described clutch shaft bearing, second bearing and 3rd bearing is deep groove ball bearing.
7. the milling tool according to claim 6 for combustion gas control block inverted cone bottom of chamber sealing surface, it is characterised in that：
Between the eccentric axial portion of the inner ring of described clutch shaft bearing and the mandrel, it is between the centre bore of outer ring and the planetary gear
Interference fit；Between the inner ring of the second bearing and 3rd bearing and the central axle portion of the mandrel, outer ring and the grinding
It is that gap coordinates between the centre bore of body.
8. the milling tool according to claim 1 for combustion gas control block inverted cone bottom of chamber sealing surface, it is characterised in that：
Described second bearing and 3rd bearing is by jump ring retainer ring spacing and is fixed in the centre bore of the abrasive body.
9. the milling tool according to claim 1 for combustion gas control block inverted cone bottom of chamber sealing surface, it is characterised in that：
By the rotational velocity and the ratio of revolution speed of the gearratio realization to the grinding head that convert the planetary gear and centre wheel
Adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621452246.3U CN206356999U (en) | 2016-12-28 | 2016-12-28 | Milling tool for combustion gas control block inverted cone bottom of chamber sealing surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621452246.3U CN206356999U (en) | 2016-12-28 | 2016-12-28 | Milling tool for combustion gas control block inverted cone bottom of chamber sealing surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206356999U true CN206356999U (en) | 2017-07-28 |
Family
ID=59375889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621452246.3U Expired - Fee Related CN206356999U (en) | 2016-12-28 | 2016-12-28 | Milling tool for combustion gas control block inverted cone bottom of chamber sealing surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206356999U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736880A (en) * | 2016-12-28 | 2017-05-31 | 沪东重机有限公司 | For the milling tool and method of combustion gas control block inverted cone bottom of chamber sealing surface |
| CN108673304A (en) * | 2018-05-30 | 2018-10-19 | 中国航发动力股份有限公司 | A kind of grinding device and its restorative procedure for repairing cone seal plane tie |
| CN111515813A (en) * | 2020-04-30 | 2020-08-11 | 陈英杰 | Connecting device and tool unit provided with same |
| CN111546199A (en) * | 2019-02-08 | 2020-08-18 | 盖多·瓦伦蒂尼 | Hand-held and hand-guided random orbital burnishing or sanding power tool |
| EP4238697A1 (en) * | 2022-03-04 | 2023-09-06 | Lake Country Tool, LLC | Adjustable stroke device |
-
2016
- 2016-12-28 CN CN201621452246.3U patent/CN206356999U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736880A (en) * | 2016-12-28 | 2017-05-31 | 沪东重机有限公司 | For the milling tool and method of combustion gas control block inverted cone bottom of chamber sealing surface |
| CN106736880B (en) * | 2016-12-28 | 2018-08-31 | 沪东重机有限公司 | Grinding method for combustion gas control block inverted cone bottom of chamber sealing surface |
| CN108673304A (en) * | 2018-05-30 | 2018-10-19 | 中国航发动力股份有限公司 | A kind of grinding device and its restorative procedure for repairing cone seal plane tie |
| CN111546199A (en) * | 2019-02-08 | 2020-08-18 | 盖多·瓦伦蒂尼 | Hand-held and hand-guided random orbital burnishing or sanding power tool |
| CN111515813A (en) * | 2020-04-30 | 2020-08-11 | 陈英杰 | Connecting device and tool unit provided with same |
| EP4238697A1 (en) * | 2022-03-04 | 2023-09-06 | Lake Country Tool, LLC | Adjustable stroke device |
| US11878391B2 (en) | 2022-03-04 | 2024-01-23 | Lake Country Tool, Llc | Adjustable stroke device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170728 |