CN206464625U - Propeller hub ring flange reaming guide-localization frock - Google Patents
Propeller hub ring flange reaming guide-localization frock Download PDFInfo
- Publication number
- CN206464625U CN206464625U CN201621224805.5U CN201621224805U CN206464625U CN 206464625 U CN206464625 U CN 206464625U CN 201621224805 U CN201621224805 U CN 201621224805U CN 206464625 U CN206464625 U CN 206464625U
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- China
- Prior art keywords
- positioning
- propeller hub
- reamer
- ring flange
- hole
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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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Abstract
The utility model discloses a kind of propeller hub ring flange reaming guide-localization frock, the guide-localization frock has a positioning pedestal, the external diameter of the positioning pedestal is more than the flange external diameter of propeller hub, the bottom center of the positioning pedestal has the positioning boss of evagination, the external diameter of the positioning boss is matched with the centre bore internal diameter on propeller hub ring flange, the positioning pedestal t shape, multiple reamer perforation are offered in the positioning pedestal circumference of the positioning boss periphery, the perforation of these reamers is corresponded with the flange hole on propeller hub ring flange.The corresponding clamping of the utility model is fixed on propeller hub ring flange, so that each reamer perforation in positioning pedestal is corresponded with each flange hole formation on propeller hub ring flange, one-to-one reamer perforation feeds to form accurately guide-localization to reamer to the ream of flange hole, ream reaming is stably carried out to flange hole in order to which reamer is capable of the accurate of axial direction, reaming quality is high, good reliability.
Description
Technical field
The utility model is related to fraising guide-localization frock, and specifically a kind of propeller hub ring flange reaming is oriented to
Positioning tool.
Background technology:
Propeller maintenance is a key operation for ensureing aircraft normal flight.In the maintenance activity of propeller, generally
The flange hole expanding treatment on propeller hub ring flange can be related to, i.e., ream expansion is carried out to the flange hole on propeller hub ring flange
Hole, the flange hole helicitic texture on propeller hub ring flange is repaired with this, and then ensure that propeller hub connects with aircraft engine machine crankshaft
The stability and reliability connect.
Flange hole reaming on propeller hub ring flange is basis by ream of the former flange hole on ring flange, in this way, in hinge
Cut in ream operation, it is necessary to which the reamer and the correspondent method flange aperture on propeller hub ring flange for ensureing ream form the accurate and stable earth's axis
Otherwise it is exactly that propeller hub ring flange reaming maintenance activity is had the opposite effect to positioning.
At present, the reaming maintenance activity of propeller hub ring flange is mainly, and propeller hub first is arranged on into a letter
On single axle center positioning fixture, then by the dividing head of the fixture clamping on milling machine, manual synchronizing is then carried out, finally according to
Flange hole threading theoretical position and size on propeller hub ring flange carry out ream processing.This expansion to propeller hub ring flange
Hole maintenance mode, because being related to more subjective artificial correction, its not only troublesome poeration, inefficiency, and need higher
The artificial subjective experience of dependence of degree, causes repair quality easily to vary with each individual, poor reliability, error rate is high.
Utility model content
Technical purpose of the present utility model is:Particularity for above-mentioned propeller hub ring flange ream operation and existing
The technical deficiency for having reaming maintenance activity can realize that more objective reaming standard, easy to operate, operation are high there is provided one kind
Effect, reaming quality are high, the propeller hub ring flange reaming guide-localization frock of good reliability.
The utility model realizes that the technical scheme that its technical purpose is used is:A kind of propeller hub ring flange reaming is used
Guide-localization frock, the guide-localization frock has a positioning pedestal, and the external diameter of the positioning pedestal is more than the flange of propeller hub
Dish external diameter, the bottom center of the positioning pedestal has the positioning boss of evagination, and the external diameter of the positioning boss is matched with propeller hub method
Offered in centre bore internal diameter on blue disk, the positioning pedestal t shape, the positioning pedestal circumference of the positioning boss periphery
Multiple reamer perforation, these reamers perforation is corresponded with the flange hole on propeller hub ring flange.
Preferably, reamer bushing, the reamer bushing are equipped with the reamer perforation of the positioning pedestal
Axial direction be provided with reamer hole.Further, the reamer that the reamer bushing is axially mounted to positioning pedestal by bushing is worn
In hole.Further, the top of the reamer bushing has the locating flange of footpath convex, t shape, and the reamer is led
There is the positioning listrium on the positioning listrium of convex or concave shaping structures, the reamer bushing to the locating flange periphery of set
Compressed by the fixing screws being fixed in positioning pedestal.Further, the positioning listrium on the reamer bushing is circumferentially long
Degree is more than the ailhead diameter of fixing screws, and the assembling breach provided with matching fixing screws ailhead on positioning listrium, described solid
Determine the top surface that screw is caught in positioning listrium by the assembling breach positioned on listrium, and positioning listrium is pressed in positioning pedestal
Tightly.
Preferably, the positioning pedestal of the positioning boss periphery is provided with least one positioning hole, the positioning
Positioning hole on pedestal is corresponding with the alignment pin on propeller hub ring flange.Further, the positioning hole in the positioning pedestal is
Two.
Preferably, the center of the positioning boss is provided with bolt hole, the bolt that the positioning boss passes through center
Hole is connected with the connecting bolt extended in the same direction, locking nut of the connecting bolt provided with the locking on propeller hub.Further
, the connecting bolt is stud.
The beneficial effects of the utility model are:
1. in the reaming maintenance activity of propeller hub ring flange, the corresponding clamping of the utility model is fixed on propeller hub
On ring flange, so that each reamer perforation in positioning pedestal is corresponded with each flange hole formation on propeller hub ring flange, one
One corresponding reamer perforation feeds to form accurately guide-localization to reamer to the ream of flange hole, in order to which reamer can be axial
It is accurate and stably to flange hole carry out ream reaming, it can be seen that, expansion of the utility model to propeller hub ring flange
Hole forms the reaming standard of more objective guide-localization, so as to reduce, even avoid the subjective experience institute of manual synchronizing
The technical problem of presence, its have simple in construction, with low cost, easy to operate, operation efficiently, reaming quality height, good reliability,
Practical the features such as;
2. the utility model in the perforation of the reamer of positioning pedestal by setting bushing and reamer bushing, its one side
The accuracy and reliability of reamer feeding can be ensured well, and good protection on the other hand can be formed to positioning pedestal,
So as to avoid ream when, reamer in positioning pedestal reamer perforate hole wall ream, damage, be conducive to making positioning pedestal reliable
Ground, which is realized, to be reused, good economy performance;
3. positioning hole of the present utility model and connecting bolt structure, can effectively realize positioning pedestal in propeller hub flange
Clamping is fixed on disk stability and accuracy, and then can effectively and reliably improve the reaming quality to flange hole.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is Fig. 1 axial sectional view.
Fig. 3 is a kind of use state of the present utility model with reference to figure.
Code name implication in figure:1-positioning pedestal;2-positioning boss;3-connecting bolt;4-locking nut;5-bushing;
6-reamer bushing;7-fixing screws;8-positioning listrium;9-assembling breach;10-reamer hole;11-positioning hole;12—
Screw hole;13-propeller hub;14-flange hole.
Embodiment
The utility model is the guide-localization frock of the flange hole ream reaming on properller propeller hub ring flange, under
In face of being described in further detail according to accompanying drawing with multiple embodiments to content of the present utility model.
Embodiment 1
The utility model includes one piece of positioning pedestal 1, a connecting bolt 3, six bushings 5 and six reamer bushings 6.
Wherein, positioning pedestal 1 is that external diameter is more than the ring flange center that the flange external diameter of propeller hub 13, internal diameter are less than propeller hub 13
The cyclic structure of hole internal diameter, the i.e. structure of positioning pedestal 1 are corresponding with the propeller hub 13 to be repaired reaming, matching.In positioning pedestal 1
Bottom center position there is the positioning boss 2 of an outwardly convex, the external diameter of the positioning boss 2 is matched with the ring flange of propeller hub 13
On centre bore internal diameter, the whole t shape of positioning pedestal 1.The centre of positioning boss 2 is provided with the bolt of a through-hole structure
Hole, diameter and helicitic texture and the connecting bolt 3 of the bolt hole match.Offered in the positioning pedestal 1 of the periphery of positioning boss 2
The reamer perforation of six through hole shapes and the positioning hole 11 of two through hole shapes, and six through hole shapes screw hole 12;Positioning pedestal 1
On this six reamers perforation be evenly arranged in the circumference of positioning pedestal 1, and require the perforation of these reamers with to be repaired expansion
Six flange holes 14 formation on the ring flange of propeller hub 13 in hole is corresponded, and the diameter of each reamer perforation is slightly larger than propeller hub flange
The diameter of correspondent method flange aperture 14 on disk;Positioning hole 11 in positioning pedestal 1 is two, the two positioning holes 11 and the method for propeller hub 13
Two alignment pins on blue disk are one-to-one relationship, and mutually form concave-convex fit structure;Six screws in positioning pedestal 1
Hole 12 and six reamers are perforated to form one-to-one relationship, and each screw hole 12 is arranged at the inner side of correspondence reamer perforation.
Connecting bolt 3 is stud.One end end thread of connecting bolt 3 is connected to the center of above-mentioned positioning boss 2
Bolt hole is interior and spot welding is fixed, so that connecting bolt 3 is extended in the same direction with the formation of positioning boss 2;The other end of connecting bolt 3
End thread is connected with locking nut 4.Overall profile of the present utility model more matches T shape under the cooperation of connecting bolt 3.
In use, positioning pedestal 1 is covered on the ring flange of propeller hub 13, and connecting bolt 3 and positioning boss 2 extend radially into oar respectively
In the centre bore of the ring flange of hub 13, locking nut 4 is using the internal structure of the centre bore of propeller hub 13 as support, by whole connecting bolt 3
Locking is locked in the axial direction of the centre bore of propeller hub 13, so that positioning pedestal 1 is locked on the ring flange of propeller hub 13, is now positioned
Each reamer perforation on pedestal 1 forms axial one-to-one corresponding with each flange hole on ring flange, and two in positioning pedestal 1
Positioning hole 11 forms axial male-female engagement with two alignment pins on ring flange respectively.
The quantity of bushing 5(Six)With reamer the number of holes in positioning pedestal 1(Six)Unanimously, these bushings 5 are with determining
Reamer on the pedestal 1 of position perforates to form one-to-one relationship.Each bushing 5 is axially mounted to corresponding hinge with interference fit relation
Knife perforation in, and bushing 5 upper and lower end portion respectively with reamer perforate two ends flush.
The quantity of reamer bushing 6(Six)With reamer the number of holes in positioning pedestal 1(Six)Unanimously, these reamers
Guide sleeve 6 perforates to form one-to-one relationship with the reamer in positioning pedestal 1.Each reamer bushing 6 is that top is big, bottom is small
T shape, i.e. the locating flange of footpath convex is formed at the top of reamer bushing 6, and the lower outer diameter of reamer bushing 6 is matched with
The internal diameter of bushing 5;The axial direction of each reamer bushing 6 is provided with the reamer hole 10 of through hole shape.Each reamer bushing 6 is with gap
Matching relationship is axially mounted in the bushing 5 in correspondence reamer perforation, i.e., reamer bushing 6 is axially mounted to fixed by bushing 5
In the reamer perforation of position pedestal 1, the bottom of reamer bushing 6 is flushed with the bottom of bushing 5, and the locating flange of upper end is convex
Arise from the top surface of positioning pedestal 1 and radially cover bushing 5.Because the top of reamer bushing 6 has the convex of footpath convex
Edge, the whole t shape of reamer bushing 6, thus in order to easy to assembly, the locating flange periphery of reamer bushing 6 has indent
The positioning listrium 8 of shaping structures, the relative thickness for being thinner than the locating flange of reamer bushing 6 of thickness of the positioning listrium 8, reamer is led
It is more than the ailhead diameter of above-mentioned fixing screws 7 to positioning listrium 8 circumferential lengths on set 6, and in one end end of positioning listrium 8
Assembling breach 9 of the place provided with the matching ailhead of fixing screws 7;When in use, each reamer bushing 6 is axially mounted to corresponding lining
In set 5, the ailhead of fixing screws 7 of the side of bushing 5 is caught in positioning listrium 8, up to extension at the assembling breach 9 of positioning listrium 8
To the positioning top surface of listrium 8, rotary reamer guide sleeve 6 makes the ailhead of fixing screws 7 withhold on positioning listrium 8, will position listrium
8 compress in positioning pedestal 1, in the corresponding reamer perforation for making reamer bushing 6 be fixed in positioning pedestal 1 with this.
Embodiment 2
Other contents of the present embodiment are same as Example 1, and difference is:Reamer bushing locating flange periphery
Position male structure beyond listrium to be molded, that is, it is to set up in reamer bushing locating flange periphery to position listrium.
Embodiment 3
Other contents of the present embodiment are same as Example 1, and difference is:Set on the locating flange of reamer bushing
There is the positioning screw hole of through hole shape, the positioning screw hole is corresponding with the screw hole in positioning pedestal, matching.
Embodiment 4
The utility model includes one piece of positioning pedestal and a connecting bolt.
Wherein, positioning pedestal is that external diameter is more than the flange external diameter of propeller hub, internal diameter less than in the ring flange center hole of propeller hub
The structure of the cyclic structure in footpath, i.e. positioning pedestal is corresponding with the propeller hub to be repaired reaming, matching.In the bottom surface of positioning pedestal
Center portion position has the positioning boss of an outwardly convex, and the external diameter of the positioning boss is matched with the centre bore on the ring flange of propeller hub
Footpath, whole positioning pedestal t shape.The centre of positioning boss be provided with a through-hole structure bolt hole, the bolt hole it is straight
Footpath and helicitic texture match with connecting bolt.The reamer that eight through hole shapes are offered in the positioning pedestal of positioning boss periphery is worn
Hole and the positioning hole of two through hole shapes;This eight reamer perforation in positioning pedestal are evenly arranged in the circumference of positioning pedestal,
And require that eight flange holes formation on propeller hub ring flange of these reamers perforation with to be repaired reaming is corresponded, each hinge
The diameter matches of knife perforation are in the diameter of the correspondent method flange aperture on propeller hub ring flange;Positioning hole in positioning pedestal is two, this
Two positioning holes are one-to-one relationship with two alignment pins on propeller hub ring flange, and mutually form concave-convex fit structure.
Connecting bolt is stud.One end end thread of connecting bolt is connected to the centre bolt of above-mentioned positioning boss
In hole and spot welding is fixed, so that connecting bolt is extended in the same direction with positioning boss formation;The other end end thread of connecting bolt
It is connected with locking nut.Overall profile of the present utility model more matches T shape under the cooperation of connecting bolt.In use,
Positioning pedestal is covered on the ring flange of propeller hub, and connecting bolt and positioning boss extend radially into the center of propeller hub ring flange respectively
In hole, locking nut using the internal structure in propeller hub center hole as support, by whole connecting bolt in the axial direction in propeller hub center hole
Locking is locked, so that positioning pedestal is locked on the ring flange of propeller hub, now each reamer in positioning pedestal is perforated and flange
Each flange hole on disk forms axial one-to-one corresponding, matching relationship, and two positioning holes in positioning pedestal respectively with flange
Two alignment pins on disk form axial male-female engagement.
Embodiment 5
The utility model includes one piece of positioning pedestal, a connecting bolt and seven reamer bushings.
Wherein, positioning pedestal is that external diameter is more than the flange external diameter of propeller hub, internal diameter less than in the ring flange center hole of propeller hub
The structure of the cyclic structure in footpath, i.e. positioning pedestal is corresponding with the propeller hub to be repaired reaming, matching.In the bottom surface of positioning pedestal
Center portion position has the positioning boss of an outwardly convex, and the external diameter of the positioning boss is matched with the centre bore on the ring flange of propeller hub
Footpath, whole positioning pedestal t shape.The centre of positioning boss be provided with a blind hole structure bolt hole, the bolt hole it is straight
Footpath and helicitic texture match with connecting bolt.The reamer that seven through hole shapes are offered in the positioning pedestal of positioning boss periphery is worn
Hole and the positioning hole of two through hole shapes, and seven through hole shapes screw hole;This seven reamer perforation in positioning pedestal are fixed
It is evenly arranged in the circumference of position pedestal, and requires seven methods on propeller hub ring flange of these reamers perforation with to be repaired reaming
Flange aperture formation is corresponded, diameter of the diameter slightly larger than the correspondent method flange aperture on propeller hub ring flange of each reamer perforation;Positioning
Positioning hole on pedestal is two, and the two positioning holes are one-to-one relationship with two alignment pins on propeller hub ring flange, and
Mutually form concave-convex fit structure;Seven screw holes and seven reamers in positioning pedestal perforate to form one-to-one relationship, often
Individual screw hole is arranged at the inner side of correspondence reamer perforation.
Connecting bolt is stud.One end end thread of connecting bolt is connected to the centre bolt of above-mentioned positioning boss
In hole and spot welding is fixed, so that connecting bolt is extended in the same direction with positioning boss formation;The other end end thread of connecting bolt
It is connected with locking nut.Overall profile of the present utility model more matches T shape under the cooperation of connecting bolt.In use,
Positioning pedestal is covered on the ring flange of propeller hub, and connecting bolt and positioning boss extend radially into the center of propeller hub ring flange respectively
In hole, locking nut using the internal structure in propeller hub center hole as support, by whole connecting bolt in the axial direction in propeller hub center hole
Locking is locked, so that positioning pedestal is locked on the ring flange of propeller hub, now each reamer in positioning pedestal is perforated and flange
Each flange hole on disk forms axial one-to-one corresponding, and two positioning holes in positioning pedestal respectively with two on ring flange
Alignment pin forms axial male-female engagement.
The quantity of reamer bushing(Seven)With reamer the number of holes in positioning pedestal(Seven)Unanimously, these reamers are led
Perforate to form one-to-one relationship with the reamer in positioning pedestal to set.Each reamer bushing is the T-shaped that top is big, bottom is small
The locating flange of footpath convex is formed at the top of shape, i.e. reamer bushing, and the lower outer diameter of reamer bushing is matched with positioning base
The internal diameter of reamer perforation on seat;The axial direction of each reamer bushing is provided with the reamer hole of through hole shape.Each reamer bushing
It is axially mounted to clearance fit relationship in correspondence reamer perforation, the bottom of reamer bushing and the bottom that reamer is perforated are neat
Flat, the locating flange of upper end is raised in the top surface of positioning pedestal.Because the top of reamer bushing has determining for footpath convex
Position flange, whole reamer bushing t shape, thus in order to easy to assembly, the locating flange periphery of reamer bushing has interior
The positioning listrium of recessed shaping structures, the relative thickness for being thinner than reamer bushing locating flange of thickness of the positioning listrium, reamer is led
It is more than the ailhead diameter of above-mentioned fixing screws to the positioning listrium circumferential lengths put, and is set in one end end of positioning listrium
There is the assembling breach of matching fixing screws ailhead;When in use, each reamer bushing is axially mounted to corresponding reamer perforation
Interior, the assembling indentation, there of fixing screws ailhead from the positioning listrium of reamer perforation side is caught in positioning listrium, determined up to extending to
Position listrium top surface, rotary reamer guide sleeve makes the ailhead of fixing screws withhold on positioning listrium, by positioning listrium in positioning base
Compressed on seat, in the corresponding reamer perforation for making reamer bushing be fixed in positioning pedestal with this.
Embodiment 6
The other structures of the present embodiment are identical with embodiment 1 or 6, and difference is:Cancel connecting bolt structure.Such as
This, positioning of the positioning pedestal on propeller hub ring flange is needed by other structures, for example with dismountable bolt by not expanding
Changed between the flange hole of hole and reaming, and positioning pedestal is locked etc. on propeller hub ring flange.
Embodiment 7
The other structures of the present embodiment are identical with embodiment 1,4 or 5, and difference is:Connecting bolt is single ended bolt,
The non-threaded end of connecting bolt is fixedly welded on the positioning boss of positioning pedestal bottom surface, thread head connection locking nut.
Various embodiments above is only to illustrate the utility model, rather than its limitations.Although with reference to the various embodiments described above pair
The utility model is described in detail, it will be understood by those within the art that:It still can be to above-mentioned each reality
The concrete technical scheme applied in example is modified, or carries out equivalent substitution to which part technical characteristic;And these modification or
Person replaces, and the essence of appropriate technical solution is departed from spirit and scope of the present utility model.
Claims (9)
1. a kind of propeller hub ring flange reaming guide-localization frock, it is characterised in that:The guide-localization frock has
One positioning pedestal(1), the positioning pedestal(1)External diameter be more than propeller hub(13)Flange external diameter, the positioning pedestal(1)'s
Bottom center has the positioning boss of evagination(2), the positioning boss(2)External diameter be matched with propeller hub(13)Center on ring flange
Hole internal diameter, the positioning pedestal(1)T shape, the positioning boss(2)The positioning pedestal of periphery(1)Offered in circumference many
Individual reamer perforation, the perforation of these reamers and propeller hub(13)Flange hole on ring flange(14)Correspond.
2. propeller hub ring flange reaming guide-localization frock according to claim 1, it is characterised in that:The positioning
Pedestal(1)Reamer perforation in be equipped with reamer bushing(6), the reamer bushing(6)Axial direction be provided with reamer hole
(10).
3. propeller hub ring flange reaming guide-localization frock according to claim 2, it is characterised in that:The reamer
Guide sleeve(6)Pass through bushing(5)It is axially mounted to positioning pedestal(1)Reamer perforation in.
4. the propeller hub ring flange reaming guide-localization frock according to Claims 2 or 3, it is characterised in that:It is described
Reamer bushing(6)Top there is the locating flange of footpath convex, t shape, the reamer bushing(6)Locating flange
Periphery has the positioning listrium of convex or concave shaping structures(8), the reamer bushing(6)On positioning listrium(8)By solid
Due to positioning pedestal(1)On fixing screws(7)Compress.
5. propeller hub ring flange reaming guide-localization frock according to claim 4, it is characterised in that:The reamer
Guide sleeve(6)On positioning listrium(8)Circumferential lengths are more than fixing screws(7)Ailhead diameter, and positioning listrium(8)On set
There are matching fixing screws(7)The assembling breach of ailhead(9), the fixing screws(7)By positioning listrium(8)On assembling breach
(9)It is caught in positioning listrium(8)Top surface, and listrium will be positioned(8)In positioning pedestal(1)It is upper to compress.
6. propeller hub ring flange reaming guide-localization frock according to claim 1, it is characterised in that:The positioning
Boss(2)The positioning pedestal of periphery(1)It is provided with least one positioning hole(11), the positioning pedestal(1)On positioning hole
(11)With propeller hub(13)Alignment pin on ring flange is corresponding.
7. propeller hub ring flange reaming guide-localization frock according to claim 6, it is characterised in that:The positioning
Pedestal(1)On positioning hole(11)For two.
8. the propeller hub ring flange reaming guide-localization frock according to claim 1 or 6, it is characterised in that:It is described
Positioning boss(2)Center be provided with bolt hole, the positioning boss(2)The company extended in the same direction is connected with by the bolt hole at center
Connecting bolt(3), the connecting bolt(3)It is provided with propeller hub(13)The locking nut of upper locking(4).
9. propeller hub ring flange reaming guide-localization frock according to claim 8, it is characterised in that:The connection
Bolt(3)For stud.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621224805.5U CN206464625U (en) | 2016-11-15 | 2016-11-15 | Propeller hub ring flange reaming guide-localization frock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621224805.5U CN206464625U (en) | 2016-11-15 | 2016-11-15 | Propeller hub ring flange reaming guide-localization frock |
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CN206464625U true CN206464625U (en) | 2017-09-05 |
Family
ID=59709128
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CN201621224805.5U Expired - Fee Related CN206464625U (en) | 2016-11-15 | 2016-11-15 | Propeller hub ring flange reaming guide-localization frock |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107662005A (en) * | 2017-11-10 | 2018-02-06 | 禹州市伟朔机械制造厂 | A kind of guide sleeve |
CN109773243A (en) * | 2019-02-27 | 2019-05-21 | 横店集团英洛华电气有限公司 | Ring gear radial hole and axial hole auxiliary processing device |
CN111017652A (en) * | 2019-12-30 | 2020-04-17 | 镇江耐丝新型材料有限公司 | Cord thread car platform mixing prevention spool assembly structure |
CN114799726A (en) * | 2022-06-09 | 2022-07-29 | 中广核核电运营有限公司 | Positioning tool and method for inlaying blind hole of backrest wheel of nuclear power unit |
-
2016
- 2016-11-15 CN CN201621224805.5U patent/CN206464625U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107662005A (en) * | 2017-11-10 | 2018-02-06 | 禹州市伟朔机械制造厂 | A kind of guide sleeve |
CN109773243A (en) * | 2019-02-27 | 2019-05-21 | 横店集团英洛华电气有限公司 | Ring gear radial hole and axial hole auxiliary processing device |
CN109773243B (en) * | 2019-02-27 | 2023-10-13 | 浙江联宜电机有限公司 | Auxiliary device for machining radial holes and axial holes of annular gear |
CN111017652A (en) * | 2019-12-30 | 2020-04-17 | 镇江耐丝新型材料有限公司 | Cord thread car platform mixing prevention spool assembly structure |
CN114799726A (en) * | 2022-06-09 | 2022-07-29 | 中广核核电运营有限公司 | Positioning tool and method for inlaying blind hole of backrest wheel of nuclear power unit |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20181115 |