CN103943160B - Device for unloading fuel pellet - Google Patents
Device for unloading fuel pellet Download PDFInfo
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- CN103943160B CN103943160B CN201410189856.8A CN201410189856A CN103943160B CN 103943160 B CN103943160 B CN 103943160B CN 201410189856 A CN201410189856 A CN 201410189856A CN 103943160 B CN103943160 B CN 103943160B
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- Prior art keywords
- core bar
- cylinder
- fuel pellet
- fuel rod
- axis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a device for unloading a fuel pellet. The device for unloading the fuel pellet comprises a base, a drive system, a locating system and a knocking system, wherein the drive system and the locating system are arranged on the base; the knocking system comprises a core bar and a hammer body which is coaxially and fixedly connected with the core bar; one end of the core bar is connected with the drive system; the other end of the core bar is adjacent to the locating system; the drive system drives the core bar to elevate oppositely to the locating system; the locating system comprises a component for clamping a fuel rod; the axis of the fuel rod and the axis of the core bar are overlapped by the component. By adopting the device for unloading the fuel pellet, disclosed by the invention, knocking force of the knocking system can accurately act on the axis of the fuel pellet, so that the damage to zirconium cladding is reduced, mechanical scratches are relieved, and the device is convenient to unload.
Description
Technical field
A kind of the present invention relates to discharging instrument, in particular it relates to device of unloading fuel pellet.
Background technology
The fuel pellet of fuel rod is coated with zirconium cladding, because the impact of some factors leads to zirconium cladding to produce certain journey
Degree deformation, the fuel pellet causing it internal cannot normally be deviate from, and easily draws in the zirconium cladding inwall more heavier machinery of generation
Wound.
Content of the invention
The technical problem to be solved is to provide a kind of unloading of convenient fuel pellet and can mitigate to zirconium bag
Shell produces the device of the unloading fuel pellet that machinery scratches.
The present invention solve the above problems the technical scheme is that a kind of unloading fuel pellet device, including pedestal,
Drive system, alignment system and percussion system, described drive system and described alignment system are arranged on described pedestal, described
Percussion system includes core bar and the hammer body coaxially affixed with described core bar, and one end of described core bar is with described drive system even
Connect, adjacent to described alignment system, described drive system drives the relatively described alignment system of described core bar to move up and down to the other end,
Described alignment system includes the part of a clamping fuel rod, and this part makes the axis of fuel rod coincide with the axis of core bar.
Further, described alignment system includes the gripping block protected sleeve and stretch from this protection sleeve convex, described guarantor
Pretective sleeve pipe is the hollow structure of one end open, and the opening of this protection sleeve is installed on described pedestal, described protection sleeve phase
The nose bar being capable of relatively described protection slip expansion is provided with to the end face of opening, and this nose bar is coaxially disposed with core bar, institute
State gripping block clamping fuel rod so that the axis of fuel rod is coincided with the axis of nose bar.
Further, described hammer body is arranged on described core bar on one end of described alignment system.
Further, described hammer body is arranged adjacent to one end preset distance of described alignment system apart from described core bar.
Further, described alignment system includes the cylinder that one end offers locating slot, described cylinder relative localization groove
One end is installed on described pedestal, and described locating slot clamps fuel rod so that the axis of fuel rod is coincided with the axis of core bar,
The collection channel being connected with described locating slot is offered on described cylinder.
Further, described alignment system includes the gripping block protected sleeve and stretch from this protection sleeve convex, described guarantor
Pretective sleeve pipe is the hollow structure of one end open, and the opening of this protection sleeve is installed on described pedestal, described protection sleeve phase
The end face of opening is provided with the location hole that can pass through for described core bar, described gripping block clamping fuel rod is so that fuel
The axis of rod is coincided with the axis of core bar.
Further, described alignment system includes cylinder and the gripping block protruding out from the end face of described cylinder, described
One end of the relatively described gripping block of cylinder is installed on described pedestal, and described gripping block clamping fuel rod is so that the axle of fuel rod
Line is coincided with the axis of core bar, and the end face of described cylinder is provided with the collection channel passing through for fuel pellet.
Further, described drive system includes air pressure driving element, hydraulic driving element or electrically driven element.
Further, described drive system includes electrical control cabinet, gas source pipe, cylinder, cylinder main shaft and cylinder and props up
Plate, described gas source pipe connects described cylinder and described electrical control cabinet, and described cylinder main shaft can relatively described Telescopic-cylinder ground
Sheathed cooperation, described cylinder support plate is arranged on one end of the relatively described cylinder of described cylinder main shaft, described cylinder support plate with described
Core bar is fixedly connected.
Further, the device of described unloading fuel pellet includes hold assembly, and described hold assembly is propped up with described cylinder
Plate is fixedly connected, and described hold assembly clamps one end of the relatively described hammer body of described core bar.
To sum up, the device of unloading fuel pellet of the present invention passes through to arrange drive system driving percussion system relative to institute
State alignment system elevating movement, and described core bar, hammer body and the fuel rod clamped by alignment system are coaxially disposed so that tapping
The percussion power of system acts on the axis of fuel pellet exactly, thus reducing the injury to zirconium cladding, mitigating machinery and scratching,
And unload carried convenient.
Brief description
Fig. 1 is the structural representation of the device of unloading fuel pellet shown in first embodiment of the invention；
Fig. 2 is the structural representation of the device of unloading fuel pellet shown in second embodiment of the invention；
Fig. 3 is the structural representation of the device of unloading fuel pellet shown in third embodiment of the invention；
Fig. 4 is the structural representation of the device of unloading fuel pellet shown in fourth embodiment of the invention；
Labelling and corresponding parts title in accompanying drawing: the unloading device 100 of fuel pellet, pedestal 10, drive system 20,
Alignment system 30, percussion system 40, fuel rod 1, electrical control cabinet 21, electromagnetic valve 22, gas source pipe 23, cylinder 24, cylinder master
Axle 25, cylinder support plate 26, the first electromagnetic valve 221, the second electromagnetic valve 222, upper gas source pipe 231, lower gas source pipe 232, protection
Sleeve 31, gripping block 32, body 311, nose bar 312, protection sleeve 33, location hole 331, body 332, core bar 41, hammer body 42, folder
Hold part 50, collection system 60, the device 200 of unloading fuel pellet, protection sleeve 33, location hole 331, body 332, tap system
System 80, core bar 81, hammer body 82, the device 300 of unloading fuel pellet, alignment system 70, cylinder 71, locating slot 72, collection channel
73rd, the device 400 of unloading fuel pellet, alignment system 90, cylinder 91, gripping block 92, collection channel 93.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is made with detailed description further, but embodiments of the present invention
Not limited to this.
Embodiment 1
Refer to Fig. 1, the device 100 of the unloading fuel pellet shown in first embodiment of the invention includes pedestal 10, drives
System 20, alignment system 30 and percussion system 40, described drive system 20 and described alignment system 30 are arranged on described pedestal
On 10, described drive system 20 drives described alignment system 30 elevating movement relatively of described percussion system 40.
Described pedestal 10 is used for enabling the device 100 of described unloading fuel pellet to be smoothly positioned over various operating surfaces
On, such as desktop, level ground etc., and carry other system in the device 100 of this unloading fuel pellet, part.
Described drive system 20 is used for driving described percussion system 40 to do rise/fall reciprocating motion in vertical direction.Institute
State drive system 20 and include electrical control cabinet 21, electromagnetic valve 22, gas source pipe 23, cylinder 24, cylinder main shaft 25 and cylinder and prop up
Plate 26.Described electrical control cabinet 21 is used for controlling switch, the air inlet of cylinder 24 of electromagnetic valve 22, and described electromagnetic valve 22 is arranged on institute
State on electrical control cabinet 21, described electromagnetic valve 22 includes the first electromagnetic valve 221 and the second electromagnetic valve 222.Described electromagnetic valve 22
It is connected with described cylinder 24 by described gas source pipe 23, described gas source pipe 23 includes gas source pipe 231, lower gas source pipe
Road 232, described first electromagnetic valve 221 is connected with described cylinder 24 by described upper gas source pipe 231, described second electromagnetic valve
222 are connected with described cylinder 24 by described lower gas source pipe 232.
Described cylinder 24 one end is fixedly connected with described pedestal 10, the other end sheathed cooperation, institute with described cylinder main shaft 25
State cylinder main shaft 25 to be provided with two described cylinders 24 and correspond to respect to described cylinder 24 stretching motion, in the present embodiment
Cylinder main shaft 25.
Described cylinder support plate 26 is fixedly arranged on one end of the relatively described cylinder 24 of described cylinder main shaft 25, and two cylinder main shafts 25
The two ends setting of neighbouring described cylinder support plate 26.Described cylinder support plate 26 is fixedly connected with described percussion system 40.As cylinder master
Axle 25 relatively described cylinder 24 stretching motion when, drive described cylinder 24 elevating movement relatively of described cylinder support plate 26, thus carrying
Dynamic described percussion system 40 relative described cylinder 24 elevating movement affixed with described cylinder support plate 26.
During use, described electrical control cabinet 21 controls and is turned on and off described electromagnetic valve 22, when opening the second electromagnetic valve
222, when closing the first electromagnetic valve 221, air pressure enters cylinder 24 by described therapeutic method to keep the adverse QI flowing downwards source channels 232, drives described cylinder main shaft
25 relatively described cylinders 24 stretch out, thus being installed in the relatively described cylinder of cylinder support plate 26 of cylinder main shaft 25 one end described in driving
24 risings, and then drive the percussion system 40 relative described cylinder 24 affixed with described cylinder support plate 26 to rise.When unlatching first
Electromagnetic valve 221, when closing the second electromagnetic valve 222, air pressure passes through described upper source of the gas passage 231 and enters cylinder 24, drives described gas
The relatively described cylinder 24 of cylinder main shaft 25 shrinks, thus being installed in cylinder support plate 26 institute relatively of cylinder main shaft 25 one end described in driving
State cylinder 24 to decline, and then drive the percussion system 40 relative described cylinder 24 affixed with described cylinder support plate 26 to decline.When two
When electromagnetic valve 221,222 is turned off, stops conveying air pressure and enter cylinder 24, described cylinder main shaft 25, air cylinder support 26, percussion system
System 40 all stops cylinder 24 relatively and moves.
It is appreciated that drive system 20 of the present invention can also be other arbitrary driving elements, such as hydraulic-driven
Element, electrically driven element etc..Air pressure driving element is used in the present embodiment.
Described alignment system 30 is used for positioning fuel rod 1 so that described percussion system 40 accurately acts on described pellet
On axis, and mitigate and zirconium cladding is produced with machinery scuffing.Described alignment system 30 includes protecting sleeve 31 and from this protection sleeve
The gripping block 32 protruding out in 31, described protection sleeve 31 is the hollow structure of one end open, and the opening of this protection sleeve 31 is solid
It is located on described pedestal 10.Described protection sleeve 31 includes body 311 and the telescopic nose bar 312 of relatively described body 311, institute
State nose bar 312 to be arranged on the end wall (figure is not marked) of described body 311, described nose bar 312 is matched with described percussion system 40,
Described nose bar 312 is coaxially disposed with described percussion system 40, and the diameter of section of described nose bar 312 is less than fuel pellet
Diameter of section.Described protection sleeve 31 has protection fuel rod 1, the function of isolation external environment.
Described gripping block 32 from described protection sleeve 31 side wall stretch out, for fuel rod described in clamping and positioning 1 so that
Described fuel rod 1 is axially mounted on described nose bar 312.In the present embodiment, described gripping block 32 is from described protection sleeve 31
Stretch out in the middle part of the wall of side.The protruding length of described gripping block 32 can be adjusted according to the sectional dimension (as diameter) of fuel rod 1.
Described percussion system 40 includes being coaxially disposed ground core bar 41 and hammer body 42, described core bar 41 one end and described cylinder
Support plate 26 is fixedly connected, and the other end is fixedly connected with described hammer body 42.Described hammer body 42 is arranged adjacent to described alignment system 30.Institute
State core bar 41, described hammer body 42 to be coaxially disposed with described nose bar 312 so that described core bar 41 and hammer body 42 decline impact are described convex
During bar 312, its active force accurately acts on the axis of nose bar 312, drives nose bar 312 to decline, acts on coaxial with nose bar 312
On ground fuel rod 1, so that pellet is separated with zirconium cladding, and mitigate and zirconium cladding is produced with machinery scuffing.And, pass through described electric-controlled
Cabinet 21 processed controls the air pressure entering cylinder 24, and then controls the relatively described cylinder of cylinder support plate 26 of cylinder main shaft 25 and its one end
The height of 24 risings, thus control described core bar 41 and the relative described alignment system 30 of the hammer body 42 affixed with core bar 41 raises
Highly, so, can control described percussion system 40 and drop to impulsive force during impact fuel pellet.
The device 100 of unloading fuel pellet of the present invention also includes hold assembly 50, and described hold assembly 50 is used for
Clamp described percussion system 40, described hold assembly 50 is fixedly connected with described cylinder support plate 26.Described cylinder support plate 26 lifts
Motion, drives hold assembly 50 elevating movement affixed with it.In the present embodiment, described hold assembly 50 is locking pliers.When striking
Hit the core bar 41 in system 40 or when hammer body 42 has damage, this hold assembly 50 can be unclamped, take out percussion system 40 in time more
Change.
It is appreciated that the device 100 of the unloading fuel pellet shown in the present invention also includes collection system 60, described collection is
System 60 is arranged on one end of described alignment system 30 discharging, i.e. protect the opening of sleeve 31, described collection system in the present embodiment
System 60 is used for collecting the pellet isolated after percussion system 40 percussion, and in described the present embodiment, described collection system 60 is to receive
Catch basin.Described catch tray is arranged at described pedestal 10 bottom, and described pedestal 10 offers through hole at relatively described catch tray position
(not shown), falls in catch tray for pellet.
Embodiment 2
Refer to Fig. 2, the device 200 of the unloading fuel pellet shown in second embodiment of the invention, the unloading of the present embodiment
The device 200 of fuel pellet is roughly the same with the structure of the device 100 of the unloading fuel pellet in first embodiment, and it is with first
What embodiment was different is the structure of described protection sleeve 33 and percussion system 80.In the present embodiment, described protection sleeve 33 wraps
Include the body 332 that one end offers location hole 331, the one end in described body 332 relative localization hole 331 is installed in described pedestal 10
On.
Described percussion system 80 includes core bar 81 and is set in hammer body 82 outside described core bar 81, described core bar 81 one end
It is fixedly connected with described cylinder support plate 26, the other end is vertically freely disposed.Described core bar 81 is coaxially set with described location hole 331
Put, and described location hole 331 is available for described core bar 81 and passes through.Described gripping block 32 clamps described fuel rod 1 so that described fuel
Rod 1 is axially mounted on described core bar 81.The diameter of section of described core bar 81 is less than the diameter of section of described fuel pellet.Described
Hammer body 82 is arranged adjacent to one end preset distance of described alignment system 30 apart from described core bar 81.
When described core bar 81 and hammer body 82 decline impact described fuel rod 1, its active force accurately acts on described fuel rod 1
Axis on, so that pellet is separated with zirconium cladding, and mitigate to zirconium cladding produce machinery scratch.
Embodiment 3
Refer to Fig. 3, the device 300 of the unloading fuel pellet shown in third embodiment of the invention, the unloading of the present embodiment
The device 300 of fuel pellet is roughly the same with the structure of the device 200 of the unloading fuel pellet in second embodiment, and it is with second
What embodiment was different is the structure of described alignment system 70.In the present embodiment, described alignment system 70 includes one end and offers
The cylinder 71 of locating slot 72, one end of described cylinder 71 relative localization groove 72 is installed on described pedestal 10.Described locating slot 72
It is coaxially disposed with described core bar 81.Described locating slot 72 is adjustable positioning groove, the cross sectional shape of described locating slot 72 and described combustion
The cross sectional shape of charge bar 1 matches.Operator can adjust the size of this locating slot 72 to clamp according to the sectional dimension of fuel rod 1
Fixed fuel rod 1.The collection channel 73 being connected with described locating slot 72 is offered in the axial direction on described cylinder 71, separates
Pellet afterwards passes through this collection channel 73, enters collection system 60.
When described core bar 81 and hammer body 82 decline impact described fuel rod 1, its active force accurately acts on described fuel rod 1
Axis on, so that pellet is separated with zirconium cladding, and mitigate zirconium cladding produce machinery scratch.
Embodiment 4
Refer to Fig. 4, the device 400 of the unloading fuel pellet shown in fourth embodiment of the invention, the unloading of the present embodiment
The device 400 of fuel pellet is roughly the same with the structure of the device 300 of the unloading fuel pellet in 3rd embodiment, and it is with the 3rd
What embodiment was different is the structure of described alignment system 90.In the present embodiment, described alignment system 90 include cylinder 91 and from
The gripping block 92 protruding out on the end face of described cylinder 91, one end of the relatively described gripping block 92 of described cylinder 91 is installed in described
On pedestal 10.The position of described gripping block 92 corresponding with the position of described core bar 81 so that described fuel rod 1 and described core bar
81 coaxial lines.Collection is offered in the axial direction logical at the position corresponding with described gripping block 92 on the end face of described cylinder 91
Road 93, the pellet after separating passes through this collection channel 93, enters collection system 60.
When described core bar 81 and hammer body 82 decline impact described fuel rod 1, its active force accurately acts on described fuel rod 1
Axis on, so that pellet is separated with zirconium cladding, and mitigate to zirconium cladding produce machinery scratch.
During device 100,200,300,400 work of described unloading fuel pellet, fuel rod 1 is made to press from both sides by Robot actions
Hold and be fixed at detent mechanism, and so that the axis of described fuel rod 1 and the axis of described core bar 41,81 is coincided, open electrically
The second electromagnetic valve 222 on switch board 21, makes air pressure enter cylinder 24 by described therapeutic method to keep the adverse QI flowing downwards source channels 232, drives described cylinder
The relatively described cylinder 24 of main shaft 25 stretches out, thus driving cylinder support plate 26, hold assembly 50, core bar 41,81 and hammer body 42,82
Relatively described alignment system 30,70,90 rises, and operator can control described core according to tapping the impact force needed for fuel rod 1
Bar 41,81 and the height of hammer body 42,82 rising, after described hammer body 42,82 rises to predetermined altitude, close the second electromagnetic valve
222, open the first electromagnetic valve 221, make air pressure pass through described upper source of the gas passage 231 and enter cylinder 24, drive described cylinder main shaft
25 relatively described cylinders 24 shrink, thus driving cylinder support plate 26, hold assembly 50, core bar 41,81 and hammer body 42,82 relatively
Described alignment system 30,70,90 declines, and described core bar 41,81 directly acts on described fuel rod 1, or described core bar 41,
81 act on described fuel rod 1 by nose bar 312, and circulation carries out aforesaid operations makes core bar 41,81 directly or indirectly repeatedly make
Pellet going out from described alignment system 30,70,90 for described fuel rod 1, until pellet departs from zirconium cladding, after separating
Material end enters collection system 60.
Or during device 100,200,300,400 work of described unloading fuel pellet, make fuel by Robot actions
Rod 1 is clamped at detent mechanism, and so that the axis of described fuel rod 1 and the axis of described core bar 41,81 is coincided, and opens
The second electromagnetic valve 222 on electrical control cabinet 21, makes air pressure enter cylinder 24 by described therapeutic method to keep the adverse QI flowing downwards source channels 232, drives described
The relatively described cylinder 24 of cylinder main shaft 25 stretches out, thus driving cylinder support plate 26, hold assembly 50, core bar 41,81 and hammer body
42nd, 82 relatively described alignment systems 30,70,90 rise, and operator can be according to the impact force needed for percussion fuel rod 1 to control
State the height that core bar 41,81 and hammer body 42,82 rise, after described hammer body 42,82 rises to predetermined altitude, unclamp hold assembly
50 make described core bar 41,81 and described hammer body 42,82 free-falling under gravity, and produced impulsive force acts directly on
The axle center of described fuel rod 1 or acted on the axle center of fuel rod 1 by nose bar 312, is closed the second electromagnetic valve 222, opens
Open the first electromagnetic valve 221, make air pressure pass through described upper source of the gas passage 231 and enter cylinder 24, drive described cylinder main shaft 25 relatively
Described cylinder 24 shrinks, thus driving cylinder support plate 26 and the relatively described alignment system 30,70,90 of hold assembly 50 to decline,
Be down to described hold assembly 50 can clamp the relatively described hammer body 42,82 of described core bar 41,81 one end when stop, by machinery
Described core bar 41,81 is clamped to described hold assembly 50 by handss, circulation carry out aforesaid operations make core bar 41,81 directly or
Ground connection is iteratively operating on described fuel rod 1, until pellet departs from zirconium cladding, the pellet after separating is from described alignment system
30th, 70,90 discharge end enters collection system 60.
In sum, the device 100,200,300,400 of unloading fuel pellet of the present invention passes through to arrange drive system
20 driving percussion system 40,80 described alignment system 30,70,90 elevating movements relatively, and described core bar 41,81, hammer body 42,82
It is coaxially disposed with the fuel rod 1 clamped by alignment system 30,70,90 so that the percussion power of percussion system 40,80 is made exactly
On the axis of fuel pellet, thus reducing the injury to zirconium cladding, mitigating machinery and scratching, and unloading carried convenient.
As described above, the present invention can preferably be realized.
The above, be only presently preferred embodiments of the present invention, and not the present invention is made with any pro forma restriction,
Within the spirit and principles in the present invention, any simple modification, equivalent and improvement that above example is made etc., all still
Belong within the protection domain of technical solution of the present invention.
Claims (9)
1. a kind of device of unloading fuel pellet is it is characterised in that include pedestal (10), drive system (20), alignment system
(30,70,90) and tap system (40,80), described drive system (20) and described alignment system (30,70,90) are arranged on
On described pedestal (10), described percussion system (40,80) is included core bar (41,81) and is coaxially consolidated with described core bar (41,81)
The hammer body (42,82) connecing, one end of described core bar (41,81) is connected with described drive system (20), and the other end is adjacent to described fixed
Position system (30,70,90), described drive system (20) drive described core bar (41,81) described alignment system relatively (30,70,
90) elevating movement, described alignment system (30,70,90) includes the part of clamping fuel rod (1), and this part makes fuel rod
(1) axis is coincided with the axis of core bar (41,81)；Described alignment system (30) includes protection sleeve (31) and from this protection
The gripping block (32) protruding out in sleeve (31), described protection sleeve (31) is the hollow structure of one end open, this protection sleeve
(31) opening is installed on described pedestal (10), and the end face of described protection sleeve (31) opposed open is provided with being capable of phase
To the described nose bar (312) protecting sleeve (31) to stretch, and this nose bar (312) is coaxially disposed with core bar (41), described gripping block
(32) clamping fuel rod (1) is so that the axis of fuel rod (1) is coincided with the axis of nose bar (312).
2. unloading fuel pellet according to claim 1 device it is characterised in that described hammer body (42) be arranged on described
One end of the neighbouring described alignment system (30) of core bar (41).
3. the device of unloading fuel pellet according to claim 1 is it is characterised in that described hammer body (82) is apart from described core
One end preset distance setting of the neighbouring described alignment system (70,90) of bar (81).
4. the device of unloading fuel pellet according to claim 3 is it is characterised in that described alignment system (70) includes one
End offers the cylinder (71) of locating slot (72), and one end of described cylinder (71) relative localization groove (72) is installed in described pedestal
(10), on, described locating slot (72) clamps fuel rod (1) so that the axis of fuel rod (1) is coincided with the axis of core bar (81),
Offer, on described cylinder (71), the collection channel (73) being connected with described locating slot (72), pass through for fuel pellet.
5. the device of unloading fuel pellet according to claim 3 is it is characterised in that described alignment system (30) includes protecting
Pretective sleeve pipe (31) and the gripping block (32) protruding out in this protection sleeve (31), described protection sleeve (31) is in one end open
Hollow structure, the opening of this protection sleeve (31) is installed on described pedestal (10), described protection sleeve (31) opposed open
End face is provided with the location hole (331) that can pass through for described core bar (81), and described gripping block (32) clamps fuel rod (1),
The axis of fuel rod (1) and the axis of core bar (81) are coincided.
6. the device of unloading fuel pellet according to claim 3 is it is characterised in that described alignment system (90) includes post
Body (91) and the gripping block (92) protruding out from the end face of described cylinder (91), the relatively described gripping block of described cylinder (91)
(92) one end is installed on described pedestal (10), and described gripping block (92) clamping fuel rod (1) is so that the axle of fuel rod (1)
Line is coincided with the axis of core bar (81), and the end face of described cylinder (91) is provided with the collection channel passing through for fuel pellet
(93).
7. the device of unloading fuel pellet according to any one of claim 1 to 6 is it is characterised in that described drivetrain
System (20) includes air pressure driving element, hydraulic driving element or electrically driven element.
8. the device of unloading fuel pellet according to any one of claim 1 to 6 is it is characterised in that described drivetrain
System (20) includes electrical control cabinet (21), gas source pipe (23), cylinder (24), cylinder main shaft (25) and cylinder support plate (26),
Described gas source pipe (23) connects described cylinder (24) and described electrical control cabinet (21), and described cylinder main shaft (25) can relative institute
State cylinder (24) telescopically sheathed cooperation, described cylinder support plate (26) is arranged on the relatively described cylinder of described cylinder main shaft (25)
(24) one end, described cylinder support plate (26) is fixedly connected with described core bar (41,81).
9. the device of unloading fuel pellet according to claim 8 is it is characterised in that the device of described unloading fuel pellet
Including hold assembly (50), described hold assembly (50) is fixedly connected with described cylinder support plate (26), and described hold assembly
(50) clamp one end of the relatively described hammer body (42,82) of described core bar (41,81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189856.8A CN103943160B (en) | 2014-05-07 | 2014-05-07 | Device for unloading fuel pellet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189856.8A CN103943160B (en) | 2014-05-07 | 2014-05-07 | Device for unloading fuel pellet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103943160A CN103943160A (en) | 2014-07-23 |
| CN103943160B true CN103943160B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410189856.8A Active CN103943160B (en) | 2014-05-07 | 2014-05-07 | Device for unloading fuel pellet |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225711B (en) * | 2015-10-14 | 2017-11-10 | 中广核研究院有限公司 | Fuel rod gripper experimental rig |
| CN110265163B (en) * | 2019-06-28 | 2022-11-29 | 中机中联工程有限公司 | Pellet tubulation process for nuclear fuel assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915895A (en) * | 1982-07-19 | 1984-01-26 | 日本核燃料開発株式会社 | Fuel pellet removing device in cladding tube |
| KR100693329B1 (en) * | 2005-10-26 | 2007-03-09 | 한국원자력연구소 | Separation and receiving device for spent nuclear fuel rods |
| KR101160423B1 (en) * | 2010-11-18 | 2012-06-28 | 한국원자력연구원 | Apparatus and method for removing nuclear fuel cladding tubes |
| CN102568634B (en) * | 2010-12-28 | 2014-11-26 | 韩电Kps株式会社 | Plug removing device for heavy water reactor fuel system |
| CN103606387B (en) * | 2013-12-05 | 2016-03-02 | 中国核动力研究设计院 | A kind of nuclear fuel element core body removal device |
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2014
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| CN103943160A (en) | 2014-07-23 |
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