CN106695097B - A kind of end plate welding equipment of nuclear fuel cluster - Google Patents
A kind of end plate welding equipment of nuclear fuel cluster Download PDFInfo
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- CN106695097B CN106695097B CN201611234812.8A CN201611234812A CN106695097B CN 106695097 B CN106695097 B CN 106695097B CN 201611234812 A CN201611234812 A CN 201611234812A CN 106695097 B CN106695097 B CN 106695097B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/3009—Pressure electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Mainly include element welder, ring gauge positioning device, index dial component, element positioning fixture and welding machine general frame the invention discloses a kind of end plate welding equipment of nuclear fuel cluster, can semi-automatic completion 37 elements and 2 pieces of end plates weld task.The present invention devises element welder using resistance spot welding principle, is driven by cylinder and realizes that earth polar is contacted with soldered elements, central electrode and end plate contact weld together two welded pieces after energization.Ring gauge positioning device can realize the fixation of element positioning fixture upper end, and can move together with fixture.Rotatable platform device is realized the positioning of element positioning fixture and can be rotated automatically, to realize the welding of each element of each ring.Currently, the present invention has been applied to cluster assembly line, only, for qualification rate up to 99.9%, equipment various functions are reliable and stable for production cluster more than 20,000, meet and produce and use requirement.
Description
Technical field
The present invention relates to a kind of semi-automatic end plate welding equipments of nuclear fuel cluster, are mainly used in heavy water reactor nuclear fuel rod
Beam manufacturing technology field, can be realized 37 nuclear fuel elements and 2 pieces of end plates are welded into finished product cluster under end plate welding machine.
Background technique
End plate welding machine is the key equipment on CANDU-6 type fuel element production line, and center north nuclear fuel element is limited
Company only has 1 and is 2001 from the import of Canadian Cameco company, and the equipment continuous running at full capacity is for many years.It is full
The production of foot from now on needs, and avoids production risk caused by single device, is badly in need of increasing by 1 end plate welding machine.Due to import equipment
Costly, arrival time is long and supply of material state labile, while technical staff has grasped every technique of equipment, therefore public
Department determines the domestic end plate welding machine of independent development.Wish the production domesticization by welding equipment, realizes the spare part of end plate welding machine domestic
Change supply, gets rid of the long-term situation for relying on import.
Summary of the invention
In order to realize that 37 elements and 2 pieces of end plates are welded into finished product cluster, while guaranteeing the torsional strenght of cluster after welding
And outer dimension meets production requirement, present invention employs following technical proposals:
A kind of end plate welding equipment of nuclear fuel cluster, according to the difference of function, end plate soldering equipment is divided into element welding dress
Set, ring gauge positioning device, rotatable platform device, element positioning fixture and welding machine general frame 5 it is most of；Element welder,
Ring gauge positioning device, rotatable platform device are fixed on the upper, middle and lower portion of welding machine fuselage by screw, and element positioning fixture passes through
Locating piece is fixed on rotatable platform device；
(1) element welder realizes the welding of end plate and the monitoring and protection of welding quality using piezoresistive weldering；
(2) ring gauge positioning device realizes that the upper end of element positioning fixture is fixed, and guarantees each element in welding process indirectly
With the concentricity of electrode；
(3) rotatable platform device is realized the positioning of element positioning fixture lower end, the rotation of element positioning fixture sequence, is indulged
To and lateral movement and positioning, the indexing of manual circumferencial direction and positioning；
(4) element positioning fixture realizes 37 different accurate positionings for organizing other element and two end plates；
(5) welding machine general frame is by upright supports plate welding combination, welding machine fuselage, element positioning fixture turnover device, weldering
Connect transformer, man-machine interaction display screen composition.
Further, a kind of end plate welding equipment of nuclear fuel cluster as described above, element welder include lifting
Cylinder, connection bolt, spring, welder bracket, earth polar indexing member, indexing positioning disk, earth polar cylinder, central electrode,
Pole, limit switch, welding monitoring sensor；
Lifting cylinder is mounted on welder bracket, be connected by connection bolt member with central electrode, is provided
Heart electrode applies the lifting of active force, soldering tip part to end plate；
Spring is mounted on the rigid shock connected on shank of bolt, when lifting cylinder being avoided to move, works as a buffer；
Earth polar cylinder is mounted on the downside of bracket, provides earth polar and applies active force to element；
Earth polar indexing member and indexing positioning disk are mounted on the upside of earth polar cylinder, realize the adjustment of earth polar leg location；
Central electrode and earth polar are respectively positioned on the downside of earth polar cylinder, and the two is co-axially mounted, so that electrocardio in when end plate welds
Extreme pressure is pressed on element to end plate, earth polar；
Limit switch is mounted on the cylinder of earth polar, when earth polar supporting leg being avoided to be pressed onto end plate caused by short circuit；
Welding monitoring sensor is mounted on the side of welder bracket, the jumping-up value of every element of real-time monitoring welding.
Further, a kind of end plate welding equipment of nuclear fuel cluster as described above, ring gauge positioning device includes: ring
Rule, bolt one, locating piece one and positioning ring device bracket；
Ring gauge is fixed on the top of ring gauge positioning device by screw, and downside is equipped with laterally and longitudinally guide rail, and matches
There is positioning pin and locating piece laterally and longitudinally；
Ring gauge inner ring sleeve is in the upper end of element positioning fixture, and cooperation rotatable platform device moves together on horizontal, vertical guide rail
It is dynamic, and realized the position adjustment of both direction by bolt one, locating piece one and positioning ring device bracket and be accurately positioned.
Further, a kind of end plate welding equipment of nuclear fuel cluster as described above, rotatable platform device includes: the dress
Set includes: rotary indexing table, sensor, manual indexing means, locating piece two and bolt two；
The top of rotary indexing table installation and the device, realizes the automatic rotation of circumferencial direction；
The upper surface of circular dividing table is equipped with locating piece and locking spring, the fixation for element positioning fixture；
Sensor is installed on the vertical front of the device, judges the position of rotary indexing table longitudinal direction, avoids maloperation；
Manual indexing means is mounted below circular dividing table, the position adjustment of manually implemented circumferencial direction；
Laterally and longitudinally guide rail is installed on the downside of rotary indexing table, and respectively matches a set of locating piece two and bolt two, is realized
The accurate positioning of circular dividing table.
Further, a kind of end plate welding equipment of nuclear fuel cluster as described above, element positioning fixture is by fixture shell
Body, grid spacer, end plate clamper, guide ring and backing plate composition；
Grid spacer, guide ring are fixed on fixture shell by screw, are manually inserted into fixture according to the other position of each group,
Realize the positioning of elements；
End plate clamper is fixed on the both ends of fixture shell by screw, the positioning for end plate；
Backing plate is buckled in the clamper after welding first end, for supporting cluster when second end welding, avoids pressing because of welding
The excessive damage for leading to clamper of power.
Further, a kind of end plate welding equipment of nuclear fuel cluster as described above, in welding machine general frame, by frame
Element positioning fixture turnover device on the left of frame is used for the fixation of element positioning fixture, by 37 elements are manually inserted into fixture
In, right side turnover device realizes fixture overturning；
Welding transformer fixation and welding machine fuselage, provide element welder power supply；
Man-machine interaction display screen installation with welding machine fuselage on the right side of, be supplied to operator welding it is upset, welding point information,
Welding heat is set.
Further, a kind of end plate welding equipment of nuclear fuel cluster as described above, element welder include lifting
Cylinder, connection bolt, spring, welder bracket, earth polar indexing member, indexing positioning disk, earth polar cylinder, central electrode,
Pole, limit switch, welding monitoring sensor；
Lifting cylinder is mounted on welder bracket, be connected by connection bolt member with central electrode, is provided
Heart electrode applies the lifting of active force, soldering tip part to end plate；
Spring is mounted on the rigid shock connected on shank of bolt, when lifting cylinder being avoided to move, works as a buffer；
Earth polar cylinder is mounted on the downside of bracket, provides earth polar and applies active force to element；
Earth polar indexing member and indexing positioning disk are mounted on the upside of earth polar cylinder, realize the adjustment of earth polar leg location；
Central electrode and earth polar are respectively positioned on the downside of earth polar cylinder, and the two is co-axially mounted, so that electrocardio in when end plate welds
Extreme pressure is pressed on element to end plate, earth polar；
Limit switch is mounted on the cylinder of earth polar, when earth polar supporting leg being avoided to be pressed onto end plate caused by short circuit；
Welding monitoring sensor is mounted on the side of welder bracket, the jumping-up value of every element of real-time monitoring welding；
Ring gauge positioning device includes: ring gauge, bolt one, locating piece one and positioning ring device bracket；
Ring gauge is fixed on the top of ring gauge positioning device by screw, and downside is equipped with laterally and longitudinally guide rail, and matches
There is positioning pin and locating piece laterally and longitudinally；
Ring gauge inner ring sleeve is in the upper end of element positioning fixture, and cooperation rotatable platform device moves together on horizontal, vertical guide rail
It is dynamic, and realized the position adjustment of both direction by bolt one, locating piece one and positioning ring device bracket and be accurately positioned；
Rotatable platform device includes: that the device includes: rotary indexing table, sensor, manual indexing means, two and of locating piece
Bolt two；
The top of rotary indexing table installation and the device, realizes the automatic rotation of circumferencial direction；
The upper surface of circular dividing table is equipped with locating piece and locking spring, the fixation for element positioning fixture；
Sensor is installed on the vertical front of the device, judges the position of rotary indexing table longitudinal direction, avoids maloperation；
Manual indexing means is mounted below circular dividing table, the position adjustment of manually implemented circumferencial direction；
Laterally and longitudinally guide rail is installed on the downside of rotary indexing table, and respectively matches a set of locating piece two and bolt two, is realized
The accurate positioning of circular dividing table；
Element positioning fixture is made of fixture shell, grid spacer, end plate clamper, guide ring and backing plate；
Grid spacer, guide ring are fixed on fixture shell by screw, are manually inserted into fixture according to the other position of each group,
Realize the positioning of elements；
End plate clamper is fixed on the both ends of fixture shell by screw, the positioning for end plate；
Backing plate is buckled in the clamper after welding first end, for supporting cluster when second end welding, avoids pressing because of welding
The excessive damage for leading to clamper of power；
In welding machine general frame, by the consolidating for element positioning fixture of the element positioning fixture turnover device in frame left
Fixed, by manually 37 elements are inserted into fixture, right side turnover device realizes fixture overturning；
Welding transformer fixation and welding machine fuselage, provide element welder power supply；
Man-machine interaction display screen installation with welding machine fuselage on the right side of, be supplied to operator welding it is upset, welding point information,
Welding heat is set.
After the completion of equipment installation, debugging, a large amount of soldering test is carried out, to solder bar beam sampling Detection, the results showed that
Finished product cluster all technical is qualified.Currently, being applied to center north nuclear fuel element factory CANDU-6 nuclear fuel element
Production line, only, qualification rate is up to 99.9% for production cluster about more than 20,000.
Detailed description of the invention
Fig. 1 is the schematic three dimensional views of CANDU-6 nuclear fuel finished product cluster
Fig. 2 is the side view of CANDU-6 nuclear fuel cluster end plate welding equipment of the present invention；
Fig. 3 is the main view of CANDU-6 nuclear fuel cluster end plate welding equipment of the present invention；
Fig. 4 is the side view of element welder；
Fig. 5 is the main view of element welder；
Fig. 6 is end plate Fundamentals of Welding figure；
Fig. 7 is the side view of ring gauge positioning device；
Fig. 8 is the main view of ring gauge positioning device；
Fig. 9 is the top view of ring gauge positioning device；
Figure 10 is the side view of rotatable platform device；
Figure 11 is the main view of rotatable platform device；
Figure 12 is the main view of element positioning fixture；
Figure 13 is the M-M cross-sectional view of element positioning fixture；
Figure 14 is welding machine general frame.
In figure: 01: nuclear fuel element, 02: end plate, 03: support pads (belong to element), and 04: spacing block (belongs to element), and 1:
Element welder, 2: ring gauge positioning device, 3: rotatable platform device, 4: element positioning fixture, 5: welding machine general frame, 101:
Lifting cylinder, 102: welder bracket, 103: earth polar cylinder, 104: central electrode, 105: earth polar, 106: earth polar indexing group
Part, 107: limit switch, 108: welding monitoring sensor, 109: connection bolt, 110: spring, 111: indexing positioning disk, 04:
Central electrode, 05: earth polar, 201: ring gauge, 202: bolt, 203: locating piece, 204: positioning ring device bracket, 301: rotation point
Degree platform 302: sensor 303: manual indexing means, 304: locating piece, 305: bolt, 401: fixture backing plate, 402: guide ring,
403: fixture shell 404: grid spacer, 405: end plate clamper, 501: the welding combination of upright supports plate, 502: welding machine fuselage,
503: welding transformer, 504: human-computer interaction device, 505: electrical cabinet, 506: fixture turnover device.
Specific embodiment
The present invention is further described with specific implementation with reference to the accompanying drawing.
A kind of end plate welding equipment of nuclear fuel cluster of the present invention, according to the difference of function, end plate soldering equipment is divided into element
Welder, ring gauge positioning device, rotatable platform device, element positioning fixture and welding machine general frame 5 are most of；Element welding
Device, ring gauge positioning device, rotatable platform device are fixed on the upper, middle and lower portion of welding machine fuselage, element positioning fixture by screw
It is fixed on rotatable platform device by locating piece；
(1) element welder realizes the welding of end plate and the monitoring and protection of welding quality using piezoresistive weldering；Member
Part welder include lifting cylinder, connection bolt, spring, welder bracket, earth polar indexing member, indexing positioning disk,
Pole cylinder, central electrode, earth polar, limit switch, welding monitoring sensor；
Lifting cylinder is mounted on welder bracket, be connected by connection bolt member with central electrode, is provided
Heart electrode applies the lifting of active force, soldering tip part to end plate；
Spring is mounted on the rigid shock connected on shank of bolt, when lifting cylinder being avoided to move, works as a buffer；
Earth polar cylinder is mounted on the downside of bracket, provides earth polar and applies active force to element；
Earth polar indexing member and indexing positioning disk are mounted on the upside of earth polar cylinder, realize the adjustment of earth polar leg location；
Central electrode and earth polar are respectively positioned on the downside of earth polar cylinder, and the two is co-axially mounted, so that electrocardio in when end plate welds
Extreme pressure is pressed on element to end plate, earth polar；
Limit switch is mounted on the cylinder of earth polar, when earth polar supporting leg being avoided to be pressed onto end plate caused by short circuit；
Welding monitoring sensor is mounted on the side of welder bracket, the jumping-up value of every element of real-time monitoring welding.
(2) ring gauge positioning device realizes that the upper end of element positioning fixture is fixed, and guarantees each element in welding process indirectly
With the concentricity of electrode；
Ring gauge positioning device includes: ring gauge, bolt one, locating piece one and positioning ring device bracket；
Ring gauge is fixed on the top of ring gauge positioning device by screw, and downside is equipped with laterally and longitudinally guide rail, and matches
There is positioning pin and locating piece laterally and longitudinally；
Ring gauge inner ring sleeve is in the upper end of element positioning fixture, and cooperation rotatable platform device moves together on horizontal, vertical guide rail
It is dynamic, and realized the position adjustment of both direction by bolt one, locating piece one and positioning ring device bracket and be accurately positioned.
(3) rotatable platform device is realized the positioning of element positioning fixture lower end, the rotation of element positioning fixture sequence, is indulged
To and lateral movement and positioning, the indexing of manual circumferencial direction and positioning；
Rotatable platform device includes: that the device includes: rotary indexing table, sensor, manual indexing means, two and of locating piece
Bolt two；
The top of rotary indexing table installation and the device, realizes the automatic rotation of circumferencial direction；
The upper surface of circular dividing table is equipped with locating piece and locking spring, the fixation for element positioning fixture；
Sensor is installed on the vertical front of the device, judges the position of rotary indexing table longitudinal direction, avoids maloperation；
Manual indexing means is mounted below circular dividing table, the position adjustment of manually implemented circumferencial direction；
Laterally and longitudinally guide rail is installed on the downside of rotary indexing table, and respectively matches a set of locating piece two and bolt two, is realized
The accurate positioning of circular dividing table.
(4) element positioning fixture realizes 37 different accurate positionings for organizing other element and two end plates；
Element positioning fixture is made of fixture shell, grid spacer, end plate clamper, guide ring and backing plate；
Grid spacer, guide ring are fixed on fixture shell by screw, are manually inserted into fixture according to the other position of each group,
Realize the positioning of elements；
End plate clamper is fixed on the both ends of fixture shell by screw, the positioning for end plate；
Backing plate is buckled in the clamper after welding first end, for supporting cluster when second end welding, avoids pressing because of welding
The excessive damage for leading to clamper of power.
(5) welding machine general frame is by upright supports plate welding combination, welding machine fuselage, element positioning fixture turnover device, weldering
Connect transformer, man-machine interaction display screen composition.
In welding machine general frame, by the consolidating for element positioning fixture of the element positioning fixture turnover device in frame left
Fixed, by manually 37 elements are inserted into fixture, right side turnover device realizes fixture overturning；
Welding transformer fixation and welding machine fuselage, provide element welder power supply；
Man-machine interaction display screen installation with welding machine fuselage on the right side of, be supplied to operator welding it is upset, welding point information,
Welding heat is set.
It is as shown in Figure 2,3 cluster end plate welding equipment, 37 nuclear fuel elements 01 and two end plates in Fig. 1 can be completed
02 is welded into all stations of finished product cluster.
The equipment is by element welder 1, ring gauge positioning device 2, rotatable platform device 3, element positioning fixture 4 and welding machine
The most of composition of general frame 5 five.Element welder 1, ring gauge positioning device 2, rotatable platform device 3 are fixed on by screw
The upper, middle and lower portion of welding machine fuselage, element positioning fixture 4 are fixed on rotatable platform device 3 by locating piece.
It is as shown in Figure 4,5 element welder, the specific working principle is as follows: determining after the completion of 37 element clampings
When position fixture is moved under element welder, earth polar indexing member 106 is got to the locating slot of corresponding indexing positioning disk 111
Interior, control system driving lifting cylinder 101, earth polar cylinder 103 move downward, so that central electrode 104 is pressed on end plate, earth polar
105 are pressed on element, are finally powered and in end plate and the element contact position a large amount of resistance heats of generation two parts are welded together, hold
Plate Fundamentals of Welding are as shown in Figure 6.It connects and compressed spring 110 is housed on shank of bolt 109, there is buffer function when welding moves.When
When situation earth polar is pressed onto end plate other than generation, soldering tip component integrally moves upwards to trigger limit switch 107, so that lifting air
Cylinder rises rapidly, so as to avoid welding circuit short circuit, protects end plate.In order to detect the welding quality of each solder joint, at this
Erecting and welding monitoring sensor 108 in device welds the decrement of front and back sensor by monitoring and does difference, obtains every member
The upset value of part welding.Welder bracket 102 supports whole device, is installed to 503 top of welding machine fuselage by screw.
It is as Figure 7-9 ring gauge positioning device, the upper of element positioning fixture is buckled in by ring gauge 201 in end plate welding process
The positioning of end thereon is realized at end；Ring gauge is mounted below bolt 202 and locating piece 203 laterally and longitudinally, root on locating piece
It needs to process location hole according to positioning.When welding the inner and outer ring change of cluster, artificial running fix ring is cooperated by pin hole and is realized
Horizontal, the longitudinal positioning of ring gauge.The components such as 204 supporting ring gauge of positioning ring device bracket, are connected by screw in welding machine fuselage 503
Portion.
Figure 10,11 show rotatable platform device；The device lateral, longitudinal direction and circumference graduation positioning method and ring gauge phase
Together, the plane of rotary indexing table 301 is realized with location hole on manual indexing means 303, bolt 305 and locating piece 304
Positioning.Rotary indexing table 301 is rotation cylinder, by control system according to each group needs, realizes automatic rotation.Sensor 302
Real-time detection fixture longitudinal measure position, judges the group of soldered elements, avoids manual operation mistake.
Element positioning fixture as shown in Figure 12,13, contour structures based on fixture shell 403, is used for stationary fixture backing plate
401, grid spacer 404, guide ring 402 and end plate clamper 405.One cluster contains 5 other elements of group, each group member
Part supporting pad is different with the suitable amount of spacing block.When artificial clamping element 01, it is inserted into corresponding hole according to the other difference of element group.
Spacing block 04, the support pads 03 of element match the accurate positioning in the middle part of realization element with the slot of grid spacer, intermediate guide ring.
On the one hand both ends installation end plate holder realizes element ends positioning, on the other hand realizes the fixation of end plate 02.
It is as shown in figure 14 welding machine general frame, the welding combination 501 of upright supports plate is whole as welding machine with welding machine fuselage 502
Body support frame；Welding transformer 503 provides element welder power supply；Operator passes through human-computer interaction device in welding process
504 check the information such as welding heat, upset and welding points.Electrical cabinet 506 mainly installs solenoid valve and pressure regulator valve, for compressing
The on-off of air, argon flow etc. realizes movement or the welding oxidation protection of pneumatic element；Element positioning fixture turnover device 506
Realize the fixation and overturning of element positioning fixture.
The equipment specific work steps is as follows:
(1) it manually fills cluster: element positioning fixture being fixed on left side overturning and positioning device, is manually inserted into 37 elements
In fixture, and it is secured with nuts on fixture after first end end plate is put into end plate clamper.
(2) first end is welded: firstly, rotatable platform device is moved under the overturning and positioning device of left side, fixture being put into
It is fixed after rotatable platform.Then, fixture is moved under soldering tip makes clamp central element and soldering tip coaxial, and by ring gauge
It is buckled in fixture upper end.Finally, soldering tip decline successively has inner ring to be welded to outer ring (needs manually mobile turn in the process
Moving platform and ring gauge realize the replacement of inner ring and outer ring, the indexing of rotation earth polar and turntable indexing).
(3) second end end plate is installed: firstly, rotatable platform is moved to right side overturning and positioning device, fixture backing plate being anchored to
The first end of welding fixture；Then, fixture is subjected to 180 ° of overturning；Finally, grid spacer is extracted out from fixture, and will be non-
Mark end end plate is put into end plate clamper and is fixed on fixture.
(4) second end is welded: essentially identical with mark end, by inner ring, successively outside boxing is connect.By operating above, realize
The end plate of CANDU-6 cluster welds.
Claims (7)
1. a kind of end plate welding equipment of nuclear fuel cluster, it is characterised in that: according to the difference of function, end plate welding equipment is divided into
Element welder, ring gauge positioning device, rotatable platform device, element positioning fixture and welding machine general frame 5 are most of；Element
Welder, ring gauge positioning device, rotatable platform device are fixed on the upper, middle and lower portion of welding machine fuselage, element positioning by screw
Fixture is fixed on rotatable platform device by locating piece；
(1) element welder realizes the welding of end plate and the monitoring and protection of welding quality using piezoresistive weldering；
(2) ring gauge positioning device realizes that the upper end of element positioning fixture is fixed, and guarantees each element and electricity in welding process indirectly
The concentricity of pole；
(3) rotatable platform device realizes the positioning of element positioning fixture lower end, the rotation of element positioning fixture sequence, Zong Xiangji
Lateral movement and positioning, the indexing of manual circumferencial direction and positioning；
(4) element positioning fixture realizes 37 different accurate positionings for organizing other element and two end plates；
(5) welding machine general frame is become by upright supports plate welding combination, welding machine fuselage, element positioning fixture turnover device, welding
Depressor, man-machine interaction display screen composition.
2. a kind of end plate welding equipment of nuclear fuel cluster as described in claim 1, it is characterised in that: element welder packet
Include lifting cylinder, connection bolt, spring, welder bracket, earth polar indexing member, indexing positioning disk, earth polar cylinder, middle electrocardio
Pole, earth polar, limit switch, welding monitoring sensor；
Lifting cylinder is mounted on welder bracket, is connected by connection bolt member with central electrode, is provided middle electrocardio
Extremely apply the lifting of active force, soldering tip part to end plate；
Spring is mounted on the rigid shock connected on shank of bolt, when lifting cylinder being avoided to move, works as a buffer；
Earth polar cylinder is mounted on the downside of welder bracket, provides earth polar and applies active force to element；
Earth polar indexing member and indexing positioning disk are mounted on the upside of earth polar cylinder, realize the adjustment of earth polar leg location；
Central electrode and earth polar are respectively positioned on the downside of earth polar cylinder, and the two is co-axially mounted, so that central electrode pressure when end plate welds
It is pressed on element to end plate, earth polar；
Limit switch is mounted on the cylinder of earth polar, when earth polar supporting leg being avoided to be pressed onto end plate caused by short circuit；
Welding monitoring sensor is mounted on the side of welder bracket, the jumping-up value of every element of real-time monitoring welding.
3. a kind of end plate welding equipment of nuclear fuel cluster as described in claim 1, it is characterised in that: ring gauge positioning device packet
It includes: ring gauge, bolt one, locating piece one and positioning ring device bracket；
Ring gauge is fixed on the top of ring gauge positioning device by screw, and downside is equipped with laterally and longitudinally guide rail, and equipped with cross
To the positioning pin and locating piece with longitudinal direction；
Ring gauge inner ring sleeve is in the upper end of element positioning fixture, and cooperation rotatable platform device moves together on horizontal, vertical guide rail, and
The position adjustment of both direction is realized by bolt one, locating piece one and positioning ring device bracket and is accurately positioned.
4. a kind of end plate welding equipment of nuclear fuel cluster as described in claim 1, it is characterised in that: rotatable platform device packet
It includes: rotary indexing table, sensor, manual indexing means, locating piece two and bolt two；
Rotary indexing table is installed on the top of rotatable platform device, realizes the automatic rotation of circumferencial direction；
The upper surface of rotary indexing table is equipped with locating piece and locking spring, the fixation for element positioning fixture；
Sensor is installed on the vertical front of rotatable platform device, judges the position of rotary indexing table longitudinal direction, avoids maloperation；
Manual indexing means is mounted below rotary indexing table, the position adjustment of manually implemented circumferencial direction；
Laterally and longitudinally guide rail is installed on the downside of rotary indexing table, and respectively matches a set of locating piece two and bolt two, realizes indexing
The accurate positioning of platform.
5. a kind of end plate welding equipment of nuclear fuel cluster as described in claim 1, it is characterised in that: element positioning fixture by
Fixture shell, grid spacer, end plate clamper, guide ring and backing plate composition；
Grid spacer, guide ring are fixed on fixture shell by screw, manually according in the other position insertion fixture of each group, realize
The positioning of element；
End plate clamper is fixed on the both ends of fixture shell by screw, the positioning for end plate；
Backing plate is buckled in the end plate clamper after welding first end, for supporting cluster when second end welding, avoids pressing because of welding
The excessive damage for leading to end plate clamper of power.
6. a kind of end plate welding equipment of nuclear fuel cluster as described in claim 1, it is characterised in that: welding machine general frame
In, it is used for the fixation of element positioning fixture in the element positioning fixture turnover device one of frame left, by manually by 37 elements
It is inserted into element positioning fixture, is overturn in the element positioning fixture turnover device two of frame right for fixture；
Welding transformer fixation and welding machine fuselage, provide element welder power supply；
Man-machine interaction display screen installation welds jumping-up, welding point information, setting with operator on the right side of welding machine fuselage, is supplied to
Welding heat.
7. a kind of end plate welding equipment of nuclear fuel cluster as described in claim 1, it is characterised in that: element welder packet
Include lifting cylinder, connection bolt, spring, welder bracket, earth polar indexing member, indexing positioning disk, earth polar cylinder, middle electrocardio
Pole, earth polar, limit switch, welding monitoring sensor；
Lifting cylinder is mounted on welder bracket, is connected by connection bolt member with central electrode, is provided middle electrocardio
Extremely apply the lifting of active force, soldering tip part to end plate；
Spring is mounted on the rigid shock connected on shank of bolt, when lifting cylinder being avoided to move, works as a buffer；
Earth polar cylinder is mounted on the downside of welder bracket, provides earth polar and applies active force to element；
Earth polar indexing member and indexing positioning disk are mounted on the upside of earth polar cylinder, realize the adjustment of earth polar leg location；
Central electrode and earth polar are respectively positioned on the downside of earth polar cylinder, and the two is co-axially mounted, so that central electrode pressure when end plate welds
It is pressed on element to end plate, earth polar；
Limit switch is mounted on the cylinder of earth polar, when earth polar supporting leg being avoided to be pressed onto end plate caused by short circuit；
Welding monitoring sensor is mounted on the side of welder bracket, the jumping-up value of every element of real-time monitoring welding；
Ring gauge positioning device includes: ring gauge, bolt one, locating piece one and positioning ring device bracket；
Ring gauge is fixed on the top of ring gauge positioning device by screw, and downside is equipped with laterally and longitudinally guide rail, and equipped with cross
To the positioning pin and locating piece with longitudinal direction；
Ring gauge inner ring sleeve is in the upper end of element positioning fixture, and cooperation rotatable platform device moves together on horizontal, vertical guide rail, and
The position adjustment of both direction is realized by bolt one, locating piece one and positioning ring device bracket and is accurately positioned；
Rotatable platform device includes: rotary indexing table, sensor, manual indexing means, locating piece two and bolt two；
The top of rotary indexing table installation and rotatable platform device, realizes the automatic rotation of circumferencial direction；
The upper surface of rotary indexing table is equipped with locating piece and locking spring, the fixation for element positioning fixture；
Sensor is installed on the vertical front of rotatable platform device, judges the position of rotary indexing table longitudinal direction, avoids maloperation；
Manual indexing means is mounted below rotary indexing table, the position adjustment of manually implemented circumferencial direction；
Laterally and longitudinally guide rail is installed on the downside of rotary indexing table, and respectively matches a set of locating piece two and bolt two, realizes indexing
The accurate positioning of platform；
Element positioning fixture is made of fixture shell, grid spacer, end plate clamper, guide ring and backing plate；
Grid spacer, guide ring are fixed on fixture shell by screw, manually according in the other position insertion fixture of each group, realize
The positioning of element；
End plate clamper is fixed on the both ends of fixture shell by screw, the positioning for end plate；
Backing plate is buckled in the end plate clamper after welding first end, for supporting cluster when second end welding, avoids pressing because of welding
The excessive damage for leading to end plate clamper of power；
In welding machine general frame, it is used for the fixation of element positioning fixture in the element positioning fixture turnover device one of frame left,
By manually 37 elements are inserted into element positioning fixture, in the element positioning fixture turnover device two of frame right for pressing from both sides
Tool overturning；
Welding transformer fixation and welding machine fuselage, provide element welder power supply；
Man-machine interaction display screen installation welds jumping-up, welding point information, setting with operator on the right side of welding machine fuselage, is supplied to
Welding heat.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234812.8A CN106695097B (en) | 2016-12-28 | 2016-12-28 | A kind of end plate welding equipment of nuclear fuel cluster |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234812.8A CN106695097B (en) | 2016-12-28 | 2016-12-28 | A kind of end plate welding equipment of nuclear fuel cluster |
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| CN106695097A CN106695097A (en) | 2017-05-24 |
| CN106695097B true CN106695097B (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611234812.8A Active CN106695097B (en) | 2016-12-28 | 2016-12-28 | A kind of end plate welding equipment of nuclear fuel cluster |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118669B (en) * | 2019-12-30 | 2023-05-12 | 中核北方核燃料元件有限公司 | Rod bundle carrying clamp for picking up integrated end plate |
| CN113118682B (en) * | 2019-12-30 | 2023-04-14 | 中核北方核燃料元件有限公司 | Split rod bundle clamp for automatic end plate welding |
| CN111554423B (en) * | 2020-04-30 | 2022-06-28 | 中核北方核燃料元件有限公司 | Annular fuel assembly framework welding electrode of pressurized water reactor |
| CN114473329B (en) * | 2020-11-12 | 2023-11-14 | 中核北方核燃料元件有限公司 | Automatic end plate welding machine for nuclear fuel rod bundles |
| CN113399904A (en) * | 2021-06-16 | 2021-09-17 | 三门技师学院 | End plate welding equipment for nuclear fuel rod bundle |
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| US3941654A (en) * | 1972-01-10 | 1976-03-02 | Canadian General Electric Company Limited | Tubular fuel cluster |
| CN1272674A (en) * | 1999-05-03 | 2000-11-08 | 阿根廷国家原子能委员会 | Modular fuel element applicable to different nuclear power station with cooling pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3674638A (en) * | 1969-04-15 | 1972-07-04 | Ca Atomic Energy Ltd | Nuclear reactor fuel element assembly |
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| US3941654A (en) * | 1972-01-10 | 1976-03-02 | Canadian General Electric Company Limited | Tubular fuel cluster |
| CN1272674A (en) * | 1999-05-03 | 2000-11-08 | 阿根廷国家原子能委员会 | Modular fuel element applicable to different nuclear power station with cooling pipeline |
| CN103909331A (en) * | 2013-01-08 | 2014-07-09 | 韩电原子力燃料株式会社 | Automatic welding apparatus for end plug of nuclear fuel rod |
| CN104511673A (en) * | 2013-09-27 | 2015-04-15 | 中核北方核燃料元件有限公司 | Spot welding and brazing integrated device of nuclear fuel element cladding pipe |
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| CN106695097A (en) | 2017-05-24 |
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Effective date of registration: 20200430 Address after: 456 box 014035, Castle Peak District, the Inner Mongolia Autonomous Region, Baotou Co-patentee after: China Atomic Energy Industry Co., Ltd Patentee after: CHINA NORTH NUCLEAR FUEL Co.,Ltd. Address before: 014035 science and Technology Department, 456 mailbox, Qingshan District, the Inner Mongolia Autonomous Region, Baotou Patentee before: CHINA NORTH NUCLEAR FUEL Co.,Ltd. |
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