CN106217074B - A kind of hydraulic jet propulsion system impeller milling tool - Google Patents
A kind of hydraulic jet propulsion system impeller milling tool Download PDFInfo
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- CN106217074B CN106217074B CN201610671140.0A CN201610671140A CN106217074B CN 106217074 B CN106217074 B CN 106217074B CN 201610671140 A CN201610671140 A CN 201610671140A CN 106217074 B CN106217074 B CN 106217074B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention discloses a kind of hydraulic jet propulsion system impeller milling tools, belong to processing tool.The tooling includes support base,Round positioning plate,First positioning hole,Round positioning pressuring plate,First positioning bolt and clamp nut,By the way that round positioning plate is arranged on support base,When the wheel hub big end of impeller is placed on support base downward,By round positioning plate and impeller mounting hole towards the one end fits of wheel hub big end,Realize the radial positioning to impeller,By the way that multiple first positioning holes are arranged on support base,Wheel rotor,So that first positioning hole is aligned with the stud through-hole processed on wheel hub,The first positioning bolt is allow to pass through the stud through-hole in corresponding first positioning hole and wheel hub,It realizes to the circumferentially positioned of impeller,By the way that round positioning pressuring plate is arranged,First positioning bolt is passed through into the second location hole on round positioning pressuring plate,And by tightening clamp nut,To which impeller is pressed on support base,Realize the axially position to impeller,The Set and Positioning to impeller is realized with this,Convenient for carrying out Milling Process to impeller.
Description
Technical field
The present invention relates to processing tool, more particularly to a kind of hydraulic jet propulsion system impeller milling tool.
Background technology
Hydraulic jet propulsion system is one kind of marine propeller, and ship movement is provided by the reaction force that injection water generates
Thrust.
It is provided with impeller in hydraulic jet propulsion system, flow is controlled by the high-speed rotation of impeller, for different capacity
Hydraulic jet propulsion system, impeller size therein is also different, in usual lower-powered hydraulic jet propulsion system, the size and matter of impeller
Amount is also smaller, and for this kind of impeller, the required precision of impeller can be met by hot investment casting, and larger for those power
Hydraulic jet propulsion system in impeller do not fit through hot investment casting since size and quality are all larger and be processed, lead to
Normal processing method is cast using normal sands, first processes the blank of impeller, then gradually processed to blank.
It needs to carry out multiple Milling Process when processing impeller, this needs fixed to impeller progress clamping by tooling in the process
Position, in order to process, but since not only quality is big, size is big but also complex-shaped for impeller, therefore, it is difficult to impeller into luggage
Position is clamped, to be had an impact to the processing of impeller.
Invention content
In order to solve the problems, such as that impeller is difficult to Set and Positioning, an embodiment of the present invention provides a kind of hydraulic jet propulsion system impellers
Milling tool.The technical solution is as follows：
An embodiment of the present invention provides a kind of hydraulic jet propulsion system impeller milling tool, the tooling includes support base, institute
Stating tooling further includes：Round positioning plate, the circle positioning plate are arranged on the top surface of the support base, the circle positioning plate
Outer diameter it is consistent with the internal diameter of impeller mounting hole of impeller to be processed, the top surface of the support base is equipped with multiple first and positions
Hole, the multiple first positioning hole circumferentially-spaced top for being arranged in the support base centered on the axis of the round positioning plate
On face, and the circle diameter where the multiple first positioning hole is more than the outer diameter of the round positioning plate；Round positioning pressuring plate,
Wheel hub small end for compressing the impeller to be processed, the wheel hub of the outer diameter and the impeller to be processed of the circle positioning pressuring plate
The diameter of the seam allowance of small end is consistent, is provided with multiple second location holes on the circle positioning pressuring plate, the multiple second is fixed
Position hole is arranged in a one-to-one correspondence with the multiple first positioning hole；Multiple first positioning bolts, the multiple first positioning bolt with
The multiple first positioning hole is arranged in a one-to-one correspondence, each first positioning bolt pass through the corresponding first positioning hole and
The second location hole setting；Multiple clamp nuts, the multiple clamp nut are set with the cooperation of the multiple first positioning bolt
It sets, the multiple clamp nut is located on the top surface of the round positioning pressuring plate.
Preferably, the support base includes pedestal, supporting rack and support plate, the bottom end of support frame as described above and the pedestal
Top surface connects, and the top of support frame as described above is connect with the bottom surface of the support plate, and the multiple first positioning hole is arranged described
On the top surface of support plate.
Preferably, support frame as described above includes the first adjusting cylinder and second adjusts cylinder, and described first adjusts the bottom of cylinder
End is connect with the pedestal, and the top of the second adjusting cylinder is connect with the support plate, and described second adjusts the bottom of cylinder
End is plugged in the top that described first adjusts cylinder, and third location hole, institute are provided on the side wall of the first adjusting cylinder
It states and is arranged at intervals with multiple 4th location holes on the side wall of the second adjusting cylinder in the axial direction, described first adjusts cylinder and institute
The second adjusting cylinder is stated to connect with the second positioning bolt in the 4th location hole in the third location hole by being arranged.
Optionally, multiple third location holes are in axial direction arranged at intervals on the side wall of the first adjusting cylinder.
Preferably, it is provided with the 4th location hole described in multiple row on the side wall of the second adjusting cylinder, described first is adjusted
Each row the 4th location hole is corresponded on cylinder at least provided with a third location hole, described first adjust cylinder and
Described second adjusts cylinder is connected by multiple second positioning bolts.
Optionally, multiple connecting holes are provided on the pedestal, the pedestal is fixedly mounted on machine by the connecting hole
On the workbench of bed.
Preferably, the round positioning plate by mutually matched first positioning protrusion and the first positioning groove removably
It is arranged on the top surface of the support base, first positioning protrusion is arranged on the bottom surface of the round positioning plate, and described the
One positioning groove is arranged on the top surface of the support base.
Preferably, the tooling includes the different round positioning plate of multiple outer diameters, on the multiple circle positioning plate bottom surface
First positioning protrusion be adapted with first positioning groove.
Optionally, circumferentially there are multiple notches on the round positioning pressuring plate.
Optionally, circumferentially there are multiple mounting holes on the round positioning plate, corresponded on the support base described more
The position of a mounting hole is provided with multiple compatible connection bolts.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：By the way that round positioning is arranged on support base
Plate, when the wheel hub big end of impeller is placed on support base downward, by round positioning plate and impeller mounting hole towards wheel hub big end
One end fits, by the way that multiple first positioning holes are arranged on support base, rotate leaf to realize to the radial positioning of impeller
Wheel so that first positioning hole is aligned with the stud through-hole processed on impeller hub, so that the first positioning bolt
The stud through-hole in corresponding first positioning hole and wheel hub can be passed through to pass through setting to realize to the circumferentially positioned of impeller
First positioning bolt is passed through the second location hole on round positioning pressuring plate by round positioning pressuring plate, and by tightening clamp nut,
So that impeller to be pressed on support base, realize to the axially position of impeller, the Set and Positioning to impeller realized with this, convenient for pair
Impeller carries out Milling Process.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of the impeller of hydraulic jet propulsion system provided in an embodiment of the present invention；
Fig. 2 is the end view of the impeller in Fig. 1；
Fig. 3 is a kind of structure chart of hydraulic jet propulsion system impeller milling tool provided in an embodiment of the present invention；
Fig. 4 is a kind of round positioning plate schematic diagram provided in an embodiment of the present invention；
Fig. 5 is a kind of vertical view of round positioning plate provided in an embodiment of the present invention；
Fig. 6 is a kind of schematic diagram of support base provided in an embodiment of the present invention；
Fig. 7 is a kind of vertical view of round positioning pressuring plate provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
In order to better understand the present invention, the blade wheel structure of hydraulic jet propulsion system is briefly described herein, Fig. 1 is this
A kind of structural schematic diagram of the impeller for hydraulic jet propulsion system that inventive embodiments provide, Fig. 2 is that the end face of the impeller in Fig. 1 regards
Figure, the impeller includes wheel hub 10 and blade 11 combined with Figure 1 and Figure 2, and blade 11 is connected on the lateral wall of wheel hub 10, and wheel hub is big
End 10a is water outlet, and wheel hub small end 10b is water inlet end, a seam allowance 10c is equipped on the end face of wheel hub small end 10b, on wheel hub 10
It is additionally provided with around impeller mounting hole 10d equipped with the impeller mounting hole 10d for connecting line shaft, on wheel hub 10 multiple for connecting
The stud through-hole 10e of impeller taper lock 12 is met, while being additionally provided with around impeller mounting hole 10d on wheel hub 10 multiple easy to disassemble
The tapped through hole 10f of impeller taper lock 12, wherein impeller taper lock 12 is the connector for connecting impeller and line shaft,
It is completed after processing using the tooling that the embodiment of the present invention is provided, then impeller mounting hole 10d is processed into taper hole, to install impeller
Taper lock 12.
It should be noted that, although being shown in Fig. 2 has 12 stud through-hole 10e and 4 tapped through holes on wheel hub 10
10f, but in other embodiments, stud through-hole 10e and/or tapped through hole 10f on wheel hub 10 can also be other quantity, example
Such as 8 stud through-hole 10e and 4 tapped through hole 10f, 12 stud through-hole 10e and 6 tapped through hole 10f.
Fig. 3 is a kind of structure chart of hydraulic jet propulsion system impeller milling tool provided in an embodiment of the present invention, such as Fig. 3 institutes
Show, which includes support base 20, round positioning plate 30, multiple first positioning hole 23b, round positioning pressuring plate 40, multiple first
Positioning bolt 51 and multiple clamp nuts 52, wherein round positioning plate 30 is arranged on the top surface of support base 20, and Fig. 4 is this hair
A kind of round positioning plate schematic diagram that bright embodiment provides, as shown in figure 4, the outer diameter of round positioning plate 30 and impeller to be processed
The internal diameter of impeller mounting hole 10d is consistent, and the top surface of support base 20 is equipped with multiple first positioning hole 23b, multiple first positioning holes
23b is circumferentially-spaced centered on the axis of round positioning plate 30 to be arranged on the top surface of support base 20, and multiple first positioning holes
Circle diameter where 23b is more than the outer diameter of round positioning plate 30, and round positioning pressuring plate 40 is used to compress the wheel of impeller to be processed
Hub small end 10b, the outer diameter of round positioning pressuring plate 40 is consistent with the diameter of seam allowance 10c of wheel hub small end 10b of impeller to be processed,
Multiple second location holes 41, multiple second location holes 41 and multiple first positioning hole 23b mono- are provided on round positioning pressuring plate 40
One is correspondingly arranged, and multiple first positioning bolts 51 are arranged in a one-to-one correspondence with multiple first positioning hole 23b, each first positioning bolt
51 pass through corresponding first positioning hole 23b and second location hole 41 to be arranged, multiple clamp nuts 52 and multiple first positioning bolts
51 are equipped with, and multiple clamp nuts 52 are located on the top surface of round positioning pressuring plate 40, and clamp nut 52 is used to position circle
Pressing plate 40 is pressed on impeller to be processed.
The wheel hub big end of impeller is placed on branch by the embodiment of the present invention downward by the way that round positioning plate is arranged on support base
When supportting on seat, by round positioning plate with impeller mounting hole towards the one end fits of wheel hub big end, to realize the radial direction to impeller
Positioning, by the way that multiple first positioning holes, wheel rotor are arranged on support base so that in first positioning hole and impeller hub
The stud through-hole alignment processed, so that the first positioning bolt can pass through in corresponding first positioning hole and wheel hub
First positioning bolt, by the way that round positioning pressuring plate is arranged, is passed through circle by stud through-hole to realize to the circumferentially positioned of impeller
Second location hole on positioning pressuring plate, and by tightening clamp nut, to which impeller to be pressed on support base, realize to impeller
Axially position, the Set and Positioning to impeller is realized with this, convenient for impeller carry out Milling Process.
When realization, the quantity of the first positioning bolt 51 can be consistent with the quantity of stud through-hole 10e, multiple first positioning
Bolt 51 can circumferentially equiangularly spaced setting, in addition, in order to allow the first positioning bolt 51 to provide enough power to keep away
Exempt from impeller to rotate in process, the length that the first positioning bolt 51 is screwed into support base 20 can be 30~50mm.
Preferably, round positioning plate 30 is removable by 31 and first positioning groove 23a of mutually matched first positioning protrusion
It is arranged with unloading on the top surface of support base 20, the first positioning protrusion 31 is arranged on the bottom surface of round positioning plate 30, the first positioning
Groove 23a is arranged on the top surface of support base 20, in order to the installation of round positioning plate 30, in addition, in other embodiments,
First positioning protrusion 31 can be arranged on support base 20, the first positioning groove 23a is arranged on round positioning plate 30.
Fig. 5 is a kind of vertical view of round positioning plate provided in an embodiment of the present invention, as shown in figure 5, round positioning plate 30
On circumferentially have multiple mounting holes 32, the position that multiple mounting holes 32 are corresponded on support base 20 is provided with multiple installation spiral shells
Hole, round positioning plate 30 are bolted by the way that the connection in multiple mounting holes 32 and multiple installation screws is arranged, so as to
Avoid moving the position of round positioning plate 30 when placing impeller.
Specifically, 6 mounting holes, 32,6 circumferentially equiangularly spaced settings in direction of mounting hole 32 can be set, circle is made
The installation of positioning plate 30 is more stable.
In addition, top lifting screw hole 33 can also be arranged on round positioning plate 30, when needing to take out round positioning plate 30, having can
Can the first positioning protrusion 31 and the first positioning groove 23a cards tension and be difficult to take out, then can be screwed into top lifting screw hole 33
Bolt ejects round positioning plate 30 from support base 20.
Fig. 6 is a kind of schematic diagram of support base provided in an embodiment of the present invention, as shown in fig. 6, support base 20 may include
The bottom end of pedestal 21, supporting rack 22 and support plate 23, supporting rack 22 is connect with the top surface of pedestal 21, the top of supporting rack 22 and branch
The bottom surface of fagging 23 connects, and the first positioning groove 23a and multiple first positioning hole 23b are arranged on the top surface of support plate 23.
When realization, the height of supporting rack 22 in the vertical direction is adjustable, so as to the height by adjusting supporting rack 22
Change the height of support base 20, to adapt to different lathe and impeller.
Specifically, supporting rack 22 may include that the first adjusting cylinder 221 and second adjusts cylinder 222, and first adjusts cylinder
221 bottom end is connect with pedestal 21, and the top of the second adjusting cylinder 222 is connect with support plate 23, and second adjusts the bottom of cylinder 222
End is plugged in the top of the first adjusting cylinder 221, and third location hole 221a is provided on the side wall of the first adjusting cylinder 221,
It is arranged at intervals with multiple 4th location hole 222a in the axial direction on the side wall of second adjusting cylinder 222, first adjusts cylinder 221
Connected by the second positioning bolt 24 being arranged in third location hole 221a and the 4th location hole 222a with the second adjusting cylinder 222
Connect, so as to by by the second positioning bolt 24 be plugged in third location hole 221a and the 4th different location hole 222a come
Change the height of supporting rack 22.
It is contemplated that the first adjusting cylinder 221 can also be plugged in the second adjusting cylinder 222, the present invention is simultaneously
It is not limited.
Preferably, multiple third location hole 221a are in axial direction arranged at intervals on the side wall of the first adjusting cylinder 221,
Changed in different third location hole 221a and the 4th different location hole 222a by the way that the second positioning bolt 24 to be plugged in
The height of supporting rack 22, due to having alternative multiple third location hole 221a on the first adjusting cylinder 221, so that branch
The height adjustment range bigger of support 22.
Further, it is provided with the 4th location hole 222a of multiple row on the side wall of the second adjusting cylinder 222, first adjusts cylinder
Each the 4th location hole 222a that arranges is corresponded on 221 at least provided with a third location hole 221a, first adjusts cylinder 221 and the
Two adjusting cylinders 222 are connected by multiple second positioning bolts 24, are adjusted and are justified by multiple second positioning bolts 24 connection first
Cylinder 221 and the second adjusting cylinder 222 can make supporting rack 22 more stable, reduce and are subject on each second positioning bolt 24
Power avoids the occurrence of the case where supporting rack 22 is crooked or the second positioning bolt 24 is broken.
Preferably, the first adjusting cylinder 221 and second adjusts cylinder 222 and is connected by the second positioning bolt of multiple row 24, from
And the stability of supporting rack 22 can be further increased, reduce the power being subject on each second positioning bolt 24, avoids the occurrence of
The case where supporting rack 22 is crooked or the second positioning bolt 24 is broken.
It should be noted that, although in embodiment shown in Fig. 6, there are two the second positioning bolts of each column 24, still
The second positioning bolt of each column 24 may include with the second more positioning bolts 24 in other embodiments, and the present invention is not followed successively by
Limit.
In addition, the columns of the second positioning bolt 24 can be equal to the columns of third location hole 221a, third might be less that
The columns of location hole 221a, the present invention are not limited successively.
Preferably, the second positioning bolt 24 circumferentially equiangularly spaced setting can so that supporting rack 22 is more steady.
As shown in fig. 6, being additionally provided with multiple connecting hole 21a on pedestal 21, pedestal 21 is fixedly mounted on by connecting hole 21a
On the workbench of lathe.
Specifically, pedestal 21 can be fixed on the workbench of lathe by bolt 211, to avoid in process
Tooling occurs mobile and is impacted to processing.
Preferably, which may include the different round positioning plate 30 of multiple outer diameters, 30 bottom surface of multiple circle positioning plates
On the first positioning protrusion 31 be adapted with the first positioning groove 23a, the outer diameter of multiple circle positioning plates 30 is different, due to leaf
Multiple Milling Processes such as wheel rough milled, half finish-milling and finish-milling, the size of impeller mounting hole 10d after processing every time
May be different, for example, when rough milling, the diameter of impeller mounting hole 10d is less than half finish-milling and finish-milling impeller mounting hole 10d it is straight
Diameter, therefore the positioning of impeller in different process can be met by the different round positioning plate 30 of the multiple diameters of setting.
Fig. 7 is a kind of vertical view of round positioning pressuring plate provided in an embodiment of the present invention, as shown in fig. 7, round positioning pressure
Circumferentially there are multiple notch 40a, notch 40a to correspond to the position setting of tapped through hole 10f on plate 40, in order to which screw thread is logical
The processing of hole 10f.
In addition, the internal diameter of round positioning pressuring plate 40 is more than the diameter of the impeller mounting hole 10d of impeller to be processed, so as to
The position of the convenient round positioning plate 30 from impeller mounting hole 10d, while the weight of round positioning pressuring plate 40 can also be reduced.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of hydraulic jet propulsion system impeller milling tool, the tooling includes support base (20), which is characterized in that the tooling
Further include：
Round positioning plate (30), the circle positioning plate (30) are arranged on the top surface of the support base (20), described round fixed
The outer diameter of position plate (30) is consistent with the internal diameter of impeller mounting hole (10d) of impeller to be processed, the top surface of the support base (20)
Equipped with multiple first positioning holes (23b), during the multiple first positioning hole (23b) is with the axis of the round positioning plate (30)
The heart is circumferentially-spaced to be arranged on the top surface of the support base (20), and the circumference where the multiple first positioning hole (23b) is straight
Diameter is more than the outer diameter of the round positioning plate (30)；
Round positioning pressuring plate (40), the wheel hub small end (10b) for compressing the impeller to be processed, the circle positioning pressuring plate
(40) outer diameter is consistent with the diameter of seam allowance (10c) of wheel hub small end (10b) of the impeller to be processed, the round positioning
Multiple second location holes (41), the multiple second location hole (41) and the multiple first positioning hole are provided on pressing plate (40)
(23b) is arranged in a one-to-one correspondence；
Multiple first positioning bolts (51), the multiple first positioning bolt (51) and the multiple first positioning hole (23b) one
One is correspondingly arranged, and each first positioning bolt (51) passes through the corresponding first positioning hole (23b) and described second to determine
Position hole (41) is arranged；
Multiple clamp nuts (52), the multiple clamp nut (52) are equipped with the multiple first positioning bolt (51),
The multiple clamp nut (52) is located on the top surface of the round positioning pressuring plate (40).
2. tooling according to claim 1, which is characterized in that the support base (20) includes pedestal (21), supporting rack
(22) it is connect with the top surface of the pedestal (21) with support plate (23), the bottom end of support frame as described above (22), support frame as described above (22)
Top connect with the bottom surface of the support plate (23), the multiple first positioning hole (23b) is arranged in the support plate (23)
Top surface on.
3. tooling according to claim 2, which is characterized in that support frame as described above (22) includes the first adjusting cylinder (221)
Cylinder (222) is adjusted with second, the bottom end of the first adjusting cylinder (221) is connect with the pedestal (21), and described second adjusts
The top of pitch circle cylinder (222) is connect with the support plate (23), and the bottom end of the second adjusting cylinder (222) is plugged in described the
One is adjusted in the top of cylinder (221), and third location hole (221a) is provided on the side wall of the first adjusting cylinder (221),
It is arranged at intervals with multiple 4th location holes (222a) in the axial direction on the side wall of the second adjusting cylinder (222), described the
One, which adjusts cylinder (221) and described second, adjusts cylinder (222) by being arranged in the third location hole (221a) and described the
The second positioning bolt (24) connection in four location holes (222a).
4. tooling according to claim 3, which is characterized in that described first is adjusted on the side wall of cylinder (221) in an axial direction
Direction is arranged at intervals with multiple third location holes (221a).
5. tooling according to claim 3, which is characterized in that be provided on the side wall of the second adjusting cylinder (222)
4th location hole (222a) described in multiple row correspond in first adjusting cylinder (221) and each arranges the 4th location hole
(222a) at least provided with a third location hole (221a), described first, which adjusts cylinder (221) and described second, is adjusted
Cylinder (222) is connected by multiple second positioning bolts (24).
6. tooling according to claim 2, which is characterized in that multiple connecting holes (21a) are provided on the pedestal (21),
The pedestal (21) is fixedly mounted on by the connecting hole (21a) on the workbench of lathe.
7. according to claim 1~6 any one of them tooling, which is characterized in that the circle positioning plate (30) is by mutual
The first positioning protrusion (31) and the first positioning groove (23a) of cooperation are removably disposed in the top surface of the support base (20)
On, the first positioning protrusion (31) setting is on the bottom surface of the round positioning plate (30), first positioning groove (23a)
It is arranged on the top surface of the support base (20).
8. tooling according to claim 7, which is characterized in that the tooling includes the different round positioning plate of multiple outer diameters
(30), first positioning protrusion (31) on the multiple round positioning plate (30) bottom surface with first positioning groove
(23a) is adapted.
9. according to claim 1~6 any one of them tooling, which is characterized in that circle positioning pressuring plate (40) upper edge week
To being disposed with multiple notches (40a).
10. according to claim 1~6 any one of them tooling, which is characterized in that on the circle positioning plate (30) circumferentially
Multiple mounting holes (32) are disposed with, the position that the multiple mounting hole (32) is corresponded on the support base (20) is provided with multiple phases
The connection bolt of adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671140.0A CN106217074B (en) | 2016-08-16 | 2016-08-16 | A kind of hydraulic jet propulsion system impeller milling tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671140.0A CN106217074B (en) | 2016-08-16 | 2016-08-16 | A kind of hydraulic jet propulsion system impeller milling tool |
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| CN106217074B true CN106217074B (en) | 2018-09-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107971884A (en) * | 2017-12-13 | 2018-05-01 | 贵州大学 | A kind of machinery conventional hardware manufacture sanding apparatus |
| CN108284934A (en) * | 2017-12-29 | 2018-07-17 | 中国船舶工业集团公司第七0八研究所 | A kind of blade detachable type hydraulic jet propulsion blade wheel structure |
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| CN204397230U (en) * | 2014-12-09 | 2015-06-17 | 上海谷科通风设备有限公司 | A kind of impeller blade location structure |
| CN204673220U (en) * | 2015-06-05 | 2015-09-30 | 广东鸿源众力发电设备有限公司 | Novel mixed-flow type runner welding equipment device |
| CN205218938U (en) * | 2015-12-16 | 2016-05-11 | 江西省左氏实业有限公司 | Runner blade of mixed -flow water turbine assembly jig |
| CN105500061A (en) * | 2015-12-21 | 2016-04-20 | 中国燃气涡轮研究院 | Finishing tool for blades of blade discs of fans |
| CN105479079A (en) * | 2015-12-31 | 2016-04-13 | 武汉船用机械有限责任公司 | Welding tool and method for guide vane nozzle of high-power water-spraying propulsion device |
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