CN106807979A - Reactor coolant pump journal bearing stationary ring spare part processing unit (plant) - Google Patents
Reactor coolant pump journal bearing stationary ring spare part processing unit (plant) Download PDFInfo
- Publication number
- CN106807979A CN106807979A CN201510867696.2A CN201510867696A CN106807979A CN 106807979 A CN106807979 A CN 106807979A CN 201510867696 A CN201510867696 A CN 201510867696A CN 106807979 A CN106807979 A CN 106807979A
- Authority
- CN
- China
- Prior art keywords
- processing set
- processing
- stationary ring
- outer processing
- spare part
- Prior art date
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
Abstract
The invention belongs to Nuclear Power Station level overhaul of the equipments engineering field, a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant) is specifically disclosed, the device includes outer processing set, interior processing set between outer processing set and bearing stationary ring spare part, for outer processing set and the positioning alignment pin long of bearing stationary ring spare part, and for outer processing set and the short alignment pin of positioning of interior processing set；Interior processing set top is provided with shadoof；The cylinder body bottom of outer processing set is provided with and its integrally formed step, circumferentially uniform several outer processing cover manholes on step, the outer processing for installing positioning alignment pin long is provided with inside outer processing sleeve body and covers dowel hole long, the outer processing for installing the short alignment pin of positioning is provided with the outer processing sleeve body of outer processing set and covers short dowel hole.The device can solve journal bearing stationary ring diversion groove in process, the control to the roughness of groove position, size, linearity and finished surface, improve the accuracy of workpiece.
Description
Technical field
The invention belongs to Nuclear Power Station level overhaul of the equipments engineering field, and in particular to a kind of reactor coolant pump
Journal bearing stationary ring spare part processing unit (plant).
Background technology
, it is necessary to carry out a very important maintenance procedures in the disassembling overhaul of nuclear reactor coolant pump：
Change the journal bearing of reactor coolant pump.Journal bearing stationary part part is by common group of several bearing stationary rings
Into, need to be on each journal bearing stationary ring spare part inner surface, it is the axial semicircle of 10mm to process 16 radiuses
Shape diversion groove, is lubricated to operating bearing.16 positions of diversion groove to be processed, it is necessary to
Corresponded with equipment water supply hole, otherwise will be unable to realize effectively cooling.Therefore, to the size of diversion groove
And position, it is necessary to it is processed in strict accordance with technical requirements (radius is 10mm, semicircle), it is excessive then
Causing bearing intensity reduces, too small, can cause lack of lubrication, and then cause bearing temperature to raise；Diversion is led to
The linearity of groove and the roughness of inner surface, can influence cooling water along stroke pressure, and then influence instrument control number
According to normal display.
But in common semi-circular hole drilling, can be forced because material is uneven to the extruding force of drill bit
There is deflection deformation in drill bit, cause the sideslip that drills, and then cause have between the result of processing and expected requirement
Larger error, or even directly result in spare part and scrap.Therefore, how to the radial axle of reactor coolant pump
Hold diversion groove accurately to be processed, safe operation and long-term operation for reactor coolant pump,
Have great importance.
The content of the invention
It is an object of the invention to provide a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant),
The device can effectively solve the problem that journal bearing stationary ring diversion groove in process, to groove position, size,
The control of the roughness of linearity and finished surface, improves the accuracy of workpiece.
Realize the technical scheme of the object of the invention：A kind of reactor coolant pump journal bearing stationary ring spare part processing
Device, the device includes outer processing set, the interior processing set between outer processing set and bearing stationary ring spare part,
For outer processing set and the positioning alignment pin long of bearing stationary ring spare part, and for outer processing set and interior processing set
The short alignment pin of positioning.
Described interior processing set top is provided with shadoof.
The cylinder body bottom of described outer processing set be provided with its integrally formed step, it is circumferentially uniform on step
Several outer processing set manholes, are provided with for installing positioning length inside the outer processing sleeve body of outer processing set
The outer processing of alignment pin covers dowel hole long, is provided with for installing positioning on the outer processing sleeve body of outer processing set
The outer processing of short alignment pin covers short dowel hole.
The cylinder top of described interior processing set is provided with flange, and flange is circumferentially evenly arranged in several and adds
Work covers manhole, and the shadoof screwed hole for installing shadoof is provided with flange and the short alignment pin of positioning is installed
The short dowel hole of interior processing set, is provided with dry axial direction Machining Arc and leads on the interior processing sleeve body wall of interior processing set
Groove.
Advantageous Effects of the invention：Device of the invention can effectively solve the problem that the diversion of journal bearing stationary ring is led to
Groove in process, the control to the roughness of groove position, size, linearity and finished surface,
The accuracy of workpiece is improved, increases the coefficient of equipment general safety operation.In processing preparatory stage, interior processing
Set column top is evenly distributed on the manhole on flange face, is capable of achieving to bearing stationary ring spare part diversion groove
Being accurately positioned for position, is prevented effectively from the diversion groove after machining and reactor coolant pump journal bearing
There is the situation of dislocation or decentraction in base inlet opening.In drilling process, drill bit is tightly fitted interior processing
The circular arc groove reserved on sleeve body wall, it is to avoid during the semicircle hole of processing, due to bit force not
Uniformly so that drill bit occurs the phenomenon of sideslip.Reserved circular arc groove on interior processing sleeve body wall, effectively
Constrain forward track of the drill bit in drilling process, and then after ensure that drilling is machined, the diversion is led to
The size of groove, linearity, machined surface roughness are maintained in a required precision higher.
Brief description of the drawings
Fig. 1 is a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant) provided by the present invention
The assembling process schematic diagram of interior processing set, outer processing set and journal bearing stationary ring spare part；
Fig. 2 is a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant) provided by the present invention
The assembling process schematic diagram of interior processing set and shadoof；
Fig. 3 is a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant) provided by the present invention
The assembling process front view of outer processing set, short alignment pin and alignment pin long；
Fig. 4 is a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant) provided by the present invention
The top view of outer processing set.
Fig. 5 is a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant) provided by the present invention and footpath
To the assembling schematic diagram of bearing stationary ring spare part；
Fig. 6 is the A-A of Fig. 5 to sectional view；
Fig. 7 is the B-B direction partial sectional view of Fig. 5.
In figure：1. shadoof；
2. processing set in, 201. flanges, 202. cylinders, 203. shadoof screwed holes, the short positioning of processing set in 204.
Pin-and-hole, 205. axial Machining Arc grooves, processing sleeve body in 206.；
3. outer processing set, 301. cylinders, process set dowel holes long outside 302., and 303. outer processing cover short alignment pins
Hole, 304. steps, 305. outer processing set manholes；
4. short alignment pin, 5. alignment pin long；
6. bearing stationary ring spare part, 601. bearing stationary ring spare part dowel holes long.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in the figure of Fig. 1,3,4,6, outer processing set 3 is overall cylindrical, the cylinder 301 of outer processing set 3
Bottom is provided with and its integrally formed step 304；12 processing sets outward are circumferentially uniformly provided with step 304
Manhole 305；Outer processing set dowel hole long is provided with inside the outer processing sleeve body 301 of outer processing set 3
302, outer processing set dowel hole 302 long is semi arch groove；The outer processing sleeve body 301 of outer processing set 3
On be provided with the short dowel hole 303 of outer processing set, the short dowel hole 303 of outer processing set is manhole.
As shown in the figure of Fig. 1,2,5,6, interior processing set 2 is overall cylindrical, the cylinder of interior processing set 2
202 welded tops have flange 201, and flange 201 is circumferentially evenly arranged in 12 processes set manhole 202,
Interior processing set manhole 202 is homogeneous with quantity, size and the distributing position that outer processing covers manhole 305
Together, and both be co-axially mounted；On flange 201, interior processing set manhole 202 outer ring be uniformly provided with 2
Shadoof screwed hole 203, is provided with processing set in 1 short on flange 201, adjacent to the position of shadoof screwed hole 203
Dowel hole 204.12 axial Machining Arc grooves 205 are provided with interior processing sleeve body wall 206, each
Each processing set manhole 202 is coaxial and its diameter is identical with 1 for axial Machining Arc groove 205.
As shown in the figure of Fig. 1,2,3,4,5,6,7, cylindric bearing stationary ring spare part 6 is arranged on additional
In the outer processing sleeve body 301 of work set 3, and the bottom of bearing stationary ring spare part 6 is arranged on the platform of outer processing set 3
On rank 304.Bearing stationary ring spare part dowel hole 601 long on the outer wall of bearing stationary ring spare part 6 is logical for semi arch
Groove, bearing stationary ring spare part dowel hole 601 long forms manhole with outer processing set dowel hole 302 long,
Alignment pin long 5 is inserted in the manhole, circumferentially positioned with outer processing set 3 for bearing stationary ring spare part 6.
1 shadoof 1, and interior processing set 2 and shadoof are each inserted with 2 shadoof screwed holes 203 of interior processing set 2
1 is threadably secured connection.2 shadoofs 1 are held, interior processing is covered into 2 is arranged in bearing stationary ring spare part 6,
Interior 2 bottoms of processing set are arranged on the step 304 of outer processing set 3, and ensure interior on same vertical direction
Processing set manhole 202, axial Machining Arc groove 205, outer processing set manhole 305 are coaxial, and
Three's diameter is identical.The lower surface of flange 201 that interior processing covers 2 is pressed in outer processing set 3, bearing stationary ring spare part
On 6 upper surface, and short alignment pin 4 is inserted in the short dowel hole 204 of interior processing set, the short positioning of outer processing set
In pin-and-hole 303, being fixedly connected between interior processing set 2 and outer processing set 3 is realized.
Shadoof 1 is welded by pipe with screw rod, T-shaped, is coordinated with shadoof hole, can internally be processed
Set carries out installation and removal operation；Alignment pin long 5 is straight pin with short alignment pin 4.
As shown in the figure of Fig. 1,2,3,4,5,6,7, a kind of reactor coolant pump provided by the present invention
The operation principle of journal bearing stationary ring spare part processing unit (plant) is as follows：2 shadoofs 1 are taken from interior processing set 2
Under.Drill bit is aligned in 1 and processes set manhole 202, under the guiding of axial Machining Arc groove 205
Vertical drilling is carried out, 1 one of bearing stationary ring spare part 6 processing of semicircle diversion groove, i.e. axle is completed
The size for holding the circular diversion groove of stationary ring spare part 6 is identical with the size of axial Machining Arc groove 205.
Outer processing set manhole 305 is chip-removal hole, and the metal fillings under drill bit is bored processes set manhole 305 from outer
Discharge the device.After completing 1 semicircle diversion groove processing of bearing stationary ring spare part 6, drill bit is risen
And be aligned with processing set manhole 202 in the 2nd, carry out the 2nd semicircle of bearing stationary ring spare part 6
Diversion groove is processed, until the semicircle diversion groove of the 12nd of bearing stationary ring spare part 6 is machined.
The present invention is explained in detail above in conjunction with drawings and Examples, but the present invention be not limited to it is above-mentioned
Embodiment, in the ken that those of ordinary skill in the art possess, can also not depart from the present invention
Various changes can be made on the premise of objective.The content not being described in detail in the present invention can use existing skill
Art.
Claims (4)
1. a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant), it is characterised in that：The device
Including outer processing set (3), the interior processing between outer processing set (3) and bearing stationary ring spare part (6)
Set (2), for outer processing set (3) and positioning alignment pin long (5) of bearing stationary ring spare part (6), and
The short alignment pin of the positioning (4) of (2) is covered with interior processing for outer processing set (3).
2. a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant) according to claim 1,
It is characterized in that：Described interior processing set (2) top is provided with shadoof (1).
3. a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant) according to claim 2,
It is characterized in that：Cylinder (301) bottom of described outer processing set (3) is provided with and its integrally formed
Rank (304), circumferentially uniform several outer processing cover manhole (305), outer processing on step (304)
The outer processing for installing positioning alignment pin (5) long is provided with inside the outer processing sleeve body (301) for covering (3)
Dowel hole long (302) is covered, is provided with for installing on the outer processing sleeve body (301) of outer processing set (3)
The outer processing for positioning short alignment pin (4) covers short dowel hole (303).
4. a kind of reactor coolant pump journal bearing stationary ring spare part processing unit (plant) according to claim 3,
It is characterized in that：Cylinder (202) top of described interior processing set (2) is provided with flange (201), method
Blue (201) are circumferentially evenly arranged processing set manhole (202) in several, and flange is opened on (201)
There is the shadoof screwed hole (203) for installing shadoof (1) and the interior processing of the short alignment pin (4) of positioning is installed
Short dowel hole (204) is covered, dry axle is provided with the interior processing sleeve body wall (206) of interior processing set (2)
To Machining Arc groove (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867696.2A CN106807979B (en) | 2015-11-30 | 2015-11-30 | Reactor coolant pump journal bearing stationary ring spare part processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867696.2A CN106807979B (en) | 2015-11-30 | 2015-11-30 | Reactor coolant pump journal bearing stationary ring spare part processing unit (plant) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106807979A true CN106807979A (en) | 2017-06-09 |
| CN106807979B CN106807979B (en) | 2018-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510867696.2A Active CN106807979B (en) | 2015-11-30 | 2015-11-30 | Reactor coolant pump journal bearing stationary ring spare part processing unit (plant) |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025208A (en) * | 2019-06-04 | 2020-12-04 | 哈尔滨汽轮机厂有限责任公司 | Threaded sleeve type tiger head tool row and machining method |
| CN114378567A (en) * | 2021-12-17 | 2022-04-22 | 哈尔滨电气动力装备有限公司 | Nuclear main pump bearing guide ring installation process |
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| US1465236A (en) * | 1922-07-17 | 1923-08-14 | Ottis R Briney | Guide bushing |
| US1660190A (en) * | 1923-11-17 | 1928-02-21 | John L Geyer | Drilling and reaming jig bushing |
| JPH08174321A (en) * | 1994-12-27 | 1996-07-09 | Eiichi Kosaka | Chip cutting bush |
| CN101400468A (en) * | 2006-03-16 | 2009-04-01 | 卡纳斯·Y·戈麦斯有限公司 | Device for guiding drill bits for drilling holes |
| CN101966602A (en) * | 2010-07-30 | 2011-02-09 | 天润曲轴股份有限公司 | Drilling jig device for drilling stepped shaft end hole |
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| US20150336181A1 (en) * | 2014-05-26 | 2015-11-26 | Snecma | Device and method for localizing a position on a part |
| CN205414492U (en) * | 2015-11-30 | 2016-08-03 | 江苏核电有限公司 | Quiet ring spare parts processingequipment of reactor coolant pump journal bearing |
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2015
- 2015-11-30 CN CN201510867696.2A patent/CN106807979B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1465236A (en) * | 1922-07-17 | 1923-08-14 | Ottis R Briney | Guide bushing |
| US1660190A (en) * | 1923-11-17 | 1928-02-21 | John L Geyer | Drilling and reaming jig bushing |
| JPH08174321A (en) * | 1994-12-27 | 1996-07-09 | Eiichi Kosaka | Chip cutting bush |
| CN101400468A (en) * | 2006-03-16 | 2009-04-01 | 卡纳斯·Y·戈麦斯有限公司 | Device for guiding drill bits for drilling holes |
| CN101966602A (en) * | 2010-07-30 | 2011-02-09 | 天润曲轴股份有限公司 | Drilling jig device for drilling stepped shaft end hole |
| CN203409315U (en) * | 2013-07-24 | 2014-01-29 | 芜湖中山科技有限公司 | Tool for drilling tangential hole in cylindrical workpiece |
| CN203526640U (en) * | 2013-10-19 | 2014-04-09 | 余晓飞 | Clamp for drilling |
| US20150336181A1 (en) * | 2014-05-26 | 2015-11-26 | Snecma | Device and method for localizing a position on a part |
| CN104259526A (en) * | 2014-10-13 | 2015-01-07 | 重庆金仑工业股份有限公司 | jig bushing |
| CN205414492U (en) * | 2015-11-30 | 2016-08-03 | 江苏核电有限公司 | Quiet ring spare parts processingequipment of reactor coolant pump journal bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025208A (en) * | 2019-06-04 | 2020-12-04 | 哈尔滨汽轮机厂有限责任公司 | Threaded sleeve type tiger head tool row and machining method |
| CN114378567A (en) * | 2021-12-17 | 2022-04-22 | 哈尔滨电气动力装备有限公司 | Nuclear main pump bearing guide ring installation process |
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| Publication number | Publication date |
|---|---|
| CN106807979B (en) | 2018-11-02 |
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