CN209094954U - A kind of cutting of neutron flux tube end is molded over wire processing device - Google Patents
A kind of cutting of neutron flux tube end is molded over wire processing device Download PDFInfo
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- CN209094954U CN209094954U CN201821724923.1U CN201821724923U CN209094954U CN 209094954 U CN209094954 U CN 209094954U CN 201821724923 U CN201821724923 U CN 201821724923U CN 209094954 U CN209094954 U CN 209094954U
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Abstract
The utility model relates to nuclear power station maintenance technique fields, and in particular to one kind is suitable for the cutting of nuclear power plant reactor neutron flux tube end, is molded over wire processing device.The cutting of domestic nuclear power neutron flux pipe, processing and forming are all made of manual mode at present, assist without any tool, and neutron flux pipe spare part is easily caused to damage, or cannot meet the technological requirements after processing.The utility model specifically includes that host machine part, host turn bit position, host adjustment component, height adjusting part part, and the host machine part includes: power motor, dials cutter block, toolframe；The host turns bit position and includes: adjustable seat, holds folder tightly；The host adjustment component includes: X-axis tuning plate, lower part attachment base, top attachment base, Y-axis tuning plate.The utility model cutting, the smooth verticality of processing and forming rear end face, welding groove form, cylindricity, concentricity, surface smoothness etc. are able to satisfy requirement, can substitute manual operations completely.
Description
Technical field
The present invention relates to nuclear power station maintenance technique fields, and in particular to one kind is suitable for nuclear power plant reactor neutron flux pipe
End cut is molded over wire processing device.
Background technique
PWR nuclear power plant pile neutron flux tube, is commonly called as finger sleeve, is one of key equipment of PWR nuclear power plant,
The neutron flux pipe of different sizes of reactor it is in varying numbers, the quantity of conventional heap-type single unit neutron flux pipe is 20~50
Root.As the Measurement channel of reactor core Nuclear measurement system neutron flux, neutron flux pipe is evenly distributed in reactor fuel component channel,
Through fuel assembly, and it is exposed in heap in-core.Neutron flux pipe is primary Ioops pressure boundary, because of radiation embrittlement and Flow vibration
It is even damaged that caused mechanical wear can make its trommel, and then causes the leakage and pollution of primary Ioops coolant.
By taking 1000MWe nuclear power plant as an example, single unit has 50 neutron flux pipes, and length is 13~18 meters and differs.From state
From the point of view of inside and outside Experience Feedback, because 1000MWe nuclear power plant primary Ioops coolant loading amount is big and hot-working hydraulic characteristic is complicated, neutron flux
Pipe more changes jobs generally to be carried out, vigorous to the spare parts demand of neutron flux tube.
It installs and in the phase in nuclear reactor longevity in neutron flux pipe replacement process, is required to finger for the first time in neutron flux pipe
Cannula tip cut, processing and forming, and cutting, contour machining procedure are complicated, and operation difficulty is big, easily causes neutron flux pipe standby
Part damage, or cannot meet the technological requirements after processing, cause neutron flux tube end intensity and voltage endurance capability to reduce.In order to mention
Height cutting, processing and forming technological level, avoid spare part from damaging, design and produce and a kind of be suitable for nuclear power plant reactor neutron flux
Tube end cutting is molded over wire processing device, can be used for the integral replacing of in-service period neutron flux pipe, to neutron flux tube
Installing for the first time also has positive effect.
Summary of the invention
Technology of the invention solves the problems, such as:
Neutron flux pipe is nuclear power plant's reactor-loop pressure boundary, and reliable sealing is the inevitable requirement of nuclear safety.
Therefore in neutron flux pipe new clothes and the replacement process of power plant's in-service period, it need to ensure the cutting of neutron flux tube end, molding
The smooth verticality of processing rear end face, welding groove form, cylindricity, concentricity, surface smoothness etc. are able to satisfy requirement.Pass through
Using the tool, achievable neutron flux pipe cutting, end face processing and 45 ° of welding groove processing, and weld reinforcement after welding
Processing.
The cutting of domestic nuclear power neutron flux pipe, processing and forming are all made of manual mode at present, auxiliary without any tool
It helps, neutron flux pipe spare part is easily caused to damage, or cannot meet the technological requirements after processing.To ensure that neutron flux tube end is cut
Cut, after processing and forming can high standard meet welding requirements, design and produce and a kind of be suitable for nuclear power plant reactor neutron flux pipe end
Portion's cutting is molded over wire processing device.
The technical solution of the invention is as follows:
A kind of cutting of neutron flux tube end is molded over wire processing device, comprising: host machine part, host turn bit position,
Host adjusts component, height adjusting part part, and the host machine part includes: power motor, dials cutter block, toolframe；The master
Machine turns bit position and includes: adjustable seat, holds folder tightly；The described host adjustment component include: X-axis tuning plate, lower part attachment base, on
Portion's attachment base, Y-axis tuning plate；Host machine part is mounted on host by bolt and turns on bit position, and host is turned bit position and passed through
Top attachment base is fixedly connected with host adjustment component bolt, and height adjusting part part adjusts component by lower part attachment base and host
Bolt is fixedly connected.
Host machine part generally arm structure, power motor are mounted in arm, dial cutter block installation on the tool rack, toolframe
Including split-type clamping head and knife rest, neutron flux tube grip is in toolframe.
X-axis tuning plate and Y-axis tuning plate include rotating handle and interior bar, and screw thread is wherein had in interior bar；By rotating hand
Handle rotates interior bar, realizes the adjusting of XY axis.
Adjustable seat is connected to the lower section of X-axis tuning plate and Y-axis tuning plate by connector, and rotating range is 360 degree.Hold folder tightly
It is upper to have screw thread, realization is gripped by rotating holding and holds function tightly.
Power motor can be air motor or electric motor, and power motor is connected by conversion head with host machine part.
Height adjusting part part includes supporting leg, inserted link.Supporting leg is fixedly connected with inserted link by flange.Supporting leg one shares 4 sections, is in
90 degree are spaced apart, and every section supporting leg is made of nesting type structure and stabilizer blade, wherein from outer to inner, the nesting type structure packet
It includes one end and is provided with screw hole, the cuboid of side recessing and the hollow rectangular parallelepiped structure of side strap bolt, the branch tape
There is screw thread, bottom end has anti-skid washer.Inserted link is hollow cylinder, is divided into three sections from top to bottom, and first segment inserted link bottom has small
In the hollow columnar protrusion of inserted link internal diameter, the outer diameter of columnar projections is equal to the internal diameter of the second section inserted link, the outer diameter of third section inserted link
Equal to the internal diameter of the second section inserted link；A screw hole is provided on second section inserted link, bolt is passed through from screw hole, among third section inserted link
Position is fixedly welded flange, and bottom end has anti-skid washer.
Detailed description of the invention
A kind of neutron flux tube end cutting of Fig. 1 is molded over wire processing device overall structure figure
A kind of neutron flux tube end cutting of Fig. 2 is molded over wire processing device main machine structure main view
A kind of neutron flux tube end cutting of Fig. 3 is molded over wire processing device main machine structure rearview
A kind of cutting of neutron flux tube end of Fig. 4 is molded over wire processing device host and turns bit position main view
A kind of cutting of neutron flux tube end of Fig. 5 is molded over wire processing device host and turns bit position top view
A kind of neutron flux tube end cutting of Fig. 6 is molded over wire processing device X, Y-direction fine tuning seat main view
A kind of neutron flux tube end cutting of Fig. 7 is molded over wire processing device X, Y-direction fine tuning seat top view
A kind of neutron flux tube end cutting of Fig. 8 is molded over wire processing device assembling parts figure
A kind of neutron flux tube end cutting of Fig. 9 is molded over wire processing device height adjusting part part assembling parts figure
In figure: 1, host machine part；2, host turns bit position；3, host adjusts component；4, height adjusting part part；5, power
Motor；6, cutter block is dialled；7, toolframe；8, neutron flux pipe；9, adjustable seat；10, folder is held tightly；11, X-axis tuning plate；12, lower part connects
Joint chair；13, top attachment base；14, Y-axis tuning plate；15, supporting leg；16, inserted link.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments:
Complicated based on the cutting of neutron flux tube end, contour machining procedure, the big fact of operation difficulty manufactures and designs in this way
A kind of cutting of neutron flux tube end is molded over wire processing device, which can complete outer diameter 5.0mm-32mm, and wall thickness≤
The cutting of 4.0mm neutron flux pipe, molding on-line machining.
Assembling: operating platform is placed it is in place, adjust mesa base bolt guarantee horizontal stable, bottom will be adjusted
Seat is assembled to above operating platform, is fixed by connecting bolt.Host is assembled on adjustment pedestal, and according to cutting processing position
The difference set selects suitable clamping device and knife rest, adjusts operating platform height, guarantees host and neutron flux measurement Guan Shui
It is flat, while by adjusting the adjustment of pedestal, guarantee that processing unit (plant) and neutron flux measurement pipe are concentric.By the neutron of processing to be cut
Flux measurement pipe is fixed by clamping device, the driving device that determination need to use according to field condition, and passes through conversion head and master
Machine assembly is fixed.
Cutting processing: having good positioning needs cutting processing position and marks, and connects driving device power supply or gas source, cutter rotation
Turn, while realizing the axially and radially feeding of cutter by shifting block device, finally realize the cutting of neutron flux measurement pipe and adds
Work.
As shown in Fig. 1, Fig. 8, it includes: host machine part 1, host that neutron flux tube end, which cuts, is molded over wire processing device,
Turn bit position 2, host adjustment component 3, height adjusting part part 4.
Host machine part 1 includes: power motor 5, dials cutter block 6, toolframe 7；The host turn bit position 2 include: can
It adjusts seat 9, hold folder 10 tightly；The described host adjustment component 3 include: X-axis tuning plate 11, lower part attachment base 12, top attachment base 13,
Y-axis tuning plate 14.Host machine part 1 is mounted on host by bolt and turns on bit position 2, and host turns bit position 2 and passes through top
Attachment base 13 is fixedly connected with host adjustment 3 bolt of component, and height adjusting part part 4 passes through lower part attachment base 12 and host adjustment section
3 bolt of part is fixedly connected.
As shown in Figure 2 and Figure 3, the generally arm structure of host machine part 1, power motor 5 are mounted in arm, are dialled cutter block 6 and are installed
On toolframe 7, toolframe 7 includes split-type clamping head and knife rest, and neutron flux pipe 8 is clamped in toolframe 7.Host is to add
Tooling sets main part, provides assembly fixed interface, each section components for pedestal, knife rest, clamping device and driving device
Assembly and transmission are realized by host, it is final to realize cutting and machining function.Knife rest is used to install cutter, and finally realizes centering
The cutting and processing and forming of sub- flux tube, knife rest realize the assembly with host and cutter by connection bolt.According to cutting and add
The difference of work, is divided into axial feed knife rest, radial (groove) tool slide, and knife rest passes through shifting block device and realizes the manual of cutter
Feeding.Split-type clamping head is used to that neutron flux tube is clamped and positioned, according to neutron flux pipe and the outer diameter ruler of handle
It is very little to design and produce.Principle is to need setting for cutting processing using the reverse locking nut clamping on host according to outer diameter design size
Standby and Primary Location, which goes out, cuts baseline position, while under the premise of guaranteeing that equipment is not caused to deform, providing enough chucking powers.
According to the difference of cutting processing position, there are three types of the clamping devices of different shapes and size altogether.
As shown in Figure 4, Figure 5, host turns bit position 2 and includes adjustable seat 9, holds folder 10 tightly, holds tightly and has screw thread on folder 10,
10 realizations, which are gripped, by rotating holding holds function tightly；Adjustable seat 9 can realize 360 degree of rotations in the plane.
As shown in Figure 6, Figure 7, X-axis tuning plate 11 and Y-axis tuning plate 14 include rotating handle and interior bar, wherein band in interior bar
There is screw thread；By rotating handle, interior bar is rotated, realizes the adjusting of XY axis.
Adjustment pedestal be made of X-axis tuning plate 11 and Y-axis tuning plate 14, for realize the circumferential direction (360 °) of processing unit (plant) with
And the adjustment of X, Y-direction (± 25mm), the implementation for facilitating scene to process.Two parts pedestal is connected by specific connector, X-axis fine tuning
Above, adjustable seat 9 is connected and fixed by bolt with adjustable seat 9 in lower section, processing unit (plant) host for plate 11 and Y-axis tuning plate 14.
As shown in figure 9, height adjusting part part 4 includes supporting leg 15, inserted link 16, supporting leg 15 and inserted link 16 connect by the way that flange is fixed
It connects.Supporting leg 15 shares 4 sections, is spaced apart in 90 degree, and every section supporting leg is made of nesting type structure and stabilizer blade；Wherein, from outer and
Interior, the nesting type structure includes that one end is provided with screw hole, the cuboid of side recessing and the hollow length of side strap bolt
Cube structure, the stabilizer blade have screw thread, and bottom end has anti-skid washer.Inserted link 16 is hollow cylinder, is divided into from top to bottom
Hollow columnar protrusion less than inserted link internal diameter is arranged at three sections, first segment inserted link bottom, and the outer diameter of columnar projections is equal to the second section inserted link
Internal diameter, the outer diameter of third section inserted link is equal to the internal diameter of the second section inserted link；It is provided with a screw hole on second section inserted link, bolt is from spiral shell
It is passed through in hole, third section inserted link middle position is fixedly welded flange, and bottom end has anti-skid washer.
The present invention has the beneficial effect that compared with prior art
The cutting of neutron flux tube end, forming processing device can complete the cutting of neutron flux tube end through on-site verification
With processing and forming function, while cut, the smooth verticality of processing and forming rear end face, welding groove form, cylindricity, concentricity,
Surface smoothness etc. is able to satisfy requirement, can substitute manual operations completely.
Claims (9)
1. a kind of neutron flux tube end cutting is molded over wire processing device, comprising: host machine part (1), host turn bit position
(2), host adjusts component (3), height adjusting part part (4), it is characterised in that: the host machine part (1) includes: power motor
(5), cutter block (6), toolframe (7) are dialled；The host turns bit position (2) and includes: adjustable seat (9), holds folder (10) tightly；It is described
Host adjustment component (3) include: X-axis tuning plate (11), lower part attachment base (12), top attachment base (13), Y-axis tuning plate
(14)；Host machine part (1) is mounted on host by bolt and turns on bit position (2), and host is turned bit position (2) and connected by top
Joint chair (13) is fixedly connected with host adjustment component (3) bolt, and height adjusting part part (4) passes through lower part attachment base (12) and host
Adjustment component (3) bolt is fixedly connected.
2. a kind of neutron flux tube end cutting as described in claim 1 is molded over wire processing device, it is characterised in that: institute
Host machine part (1) the generally arm structure stated, power motor (5) are mounted in arm, are dialled cutter block (6) and are mounted on toolframe (7)
On, toolframe (7) includes split-type clamping head and knife rest, and neutron flux pipe (8) is clamped in toolframe (7).
3. a kind of neutron flux tube end cutting as described in claim 1 is molded over wire processing device, it is characterised in that: institute
The X-axis tuning plate (11) and Y-axis tuning plate (14) stated include rotating handle and interior bar, and screw thread is wherein had in interior bar；Pass through rotation
Handle is changed hands, interior bar is rotated, realizes the adjusting of XY axis.
4. a kind of neutron flux tube end cutting as described in claim 1 is molded over wire processing device, it is characterised in that: institute
The adjustable seat (9) stated is connected to the lower section of X-axis tuning plate (11) and Y-axis tuning plate (14), rotating range 360 by connector
Degree.
5. a kind of neutron flux tube end cutting as claimed in claim 2 is molded over wire processing device, it is characterised in that: institute
The power motor (5) stated can be air motor or electric motor, and power motor (5) is connected by conversion head with host machine part (1).
6. a kind of neutron flux tube end cutting as described in claim 1 is molded over wire processing device, it is characterised in that: institute
The height adjusting part part (4) stated includes supporting leg (15), inserted link (16), and supporting leg (15) is fixedly connected with inserted link (16) by flange.
7. a kind of neutron flux tube end cutting as claimed in claim 6 is molded over wire processing device, it is characterised in that: institute
The supporting leg (15) one stated shares 4 sections, is spaced apart in 90 degree, and every section supporting leg is made of nesting type structure and stabilizer blade；Wherein, from outer
And it is interior, the nesting type structure includes that one end is provided with screw hole, the cuboid of side recessing and side strap bolt it is hollow
Rectangular parallelepiped structure, the stabilizer blade have screw thread, and bottom end has anti-skid washer.
8. a kind of neutron flux tube end cutting as claimed in claim 6 is molded over wire processing device, it is characterised in that: institute
The inserted link (16) stated is hollow cylinder, is divided into three sections from top to bottom, first segment inserted link bottom has hollow less than inserted link internal diameter
Columnar projections, the outer diameter of columnar projections are equal to the internal diameter of the second section inserted link, and the outer diameter of third section inserted link is equal to the second section inserted link
Internal diameter；A screw hole is provided on second section inserted link, bolt is passed through from screw hole, and third section inserted link middle position is fixedly welded method
Orchid, bottom end have anti-skid washer.
9. a kind of neutron flux tube end cutting as described in claim 1 is molded over wire processing device, it is characterised in that: institute
With screw thread on the holding folder (10) stated, (10) are gripped by rotating holding and realize holding function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821724923.1U CN209094954U (en) | 2018-10-24 | 2018-10-24 | A kind of cutting of neutron flux tube end is molded over wire processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821724923.1U CN209094954U (en) | 2018-10-24 | 2018-10-24 | A kind of cutting of neutron flux tube end is molded over wire processing device |
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| CN209094954U true CN209094954U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821724923.1U Active CN209094954U (en) | 2018-10-24 | 2018-10-24 | A kind of cutting of neutron flux tube end is molded over wire processing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085863A (en) * | 2018-10-24 | 2020-05-01 | 中核核电运行管理有限公司 | Online processing device for cutting and forming end part of neutron flux tube |
-
2018
- 2018-10-24 CN CN201821724923.1U patent/CN209094954U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085863A (en) * | 2018-10-24 | 2020-05-01 | 中核核电运行管理有限公司 | Online processing device for cutting and forming end part of neutron flux tube |
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