CN106705810A - Heavy water reactor spent fuel basket testing inspection device - Google Patents
Heavy water reactor spent fuel basket testing inspection device Download PDFInfo
- Publication number
- CN106705810A CN106705810A CN201611232584.0A CN201611232584A CN106705810A CN 106705810 A CN106705810 A CN 106705810A CN 201611232584 A CN201611232584 A CN 201611232584A CN 106705810 A CN106705810 A CN 106705810A
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- Prior art keywords
- basket
- support
- suspension
- column
- fuel
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/201—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring roundness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
-
- 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
Abstract
The invention belongs to the technical field of nuclear power station spent fuel dry storage, and particularly relates to a heavy water reactor spent fuel basket testing inspection device. The invention aims to develop a spent fuel basket testing inspection device, that is, a manufactured spent fuel basket is transferred to the testing inspection device, a dial indicator is erected after the inspection device is in place, the circularity, the coaxiality and the flatness of the fuel basket can be tested by rotating the fuel basket, and a cover of the fuel basket is opened to check whether the internal structure is completed or not. The characteristics lie in that the heavy water reactor spent fuel basket testing inspection device comprises a supporting and hanging bracket, a hand-cranking winding device, a supporting and hanging bracket supporting and locking device, a basket cover gripping apparatus, a rotating inspection platform, a base and a measuring and inspecting dial indicator device. The spent fuel basket testing inspection device disclosed by the invention is accurate in measured data, safe, reliable, convenient to operate and improved in work efficiency, can ensure subsequent relevant operations to be conducted normally before the fuel basket is loaded with spent fuel rod bundles, and ensures the integrity of fuel rod bundles and welding of upper and lower welding seams of the fuel basket to meet requirements of a welding technology.
Description
Technical field
The invention belongs to Nuclear Power Station's Exhausted Fuels dry storage technical field, and in particular to a kind of PHWR spentnuclear fuel basket test
Check device.
Background technology
Center runs three factories two PHWR nuclear power generating sets, and its main advantage is on-line refuelling, there is corresponding daily
The spentnuclear fuel of quantity draws off from reactor, deposits in fuel pit, because fuel pit storage Fa Ran Fan are limited in one's ability, can only
Meet 6.5 years and deposit, if do not transported away spentnuclear fuel in Ran Fan ponds, reactor Ran Fan cannot just be unloaded, reaction in heap
Property will decline, cause unit drop power or be forced shutdown shut down.For PHWR unit energy stable operation, PHWR nuclear power plant
Pond spent fuel rods need to be got one's things ready and be downloaded in a fuel-basket, seal welding then be carried out to fuel-basket, then fuel-basket is shifted
To another place storage.
Fuel-basket is before spentnuclear fuel is loaded, it is necessary to which fuel-basket circular degree, centrad, flatness and its inside are examined
Look into, check that all of above project is closed after symbol requires, spentnuclear fuel loading can be carried out, can otherwise influence fuel-basket welding and its
It, Given this needs to develop the test-based examination device of a set of spentnuclear fuel basket.
The content of the invention
It is an object of the invention to develop a spentnuclear fuel basket test-based examination device, that is, the weary combustion that will have been manufactured
Material basket is transferred on test-based examination device, after check device in place, dial gauge on frame, and rotating fuel-basket can test fuel-basket
He Zhoudu, axiality, flatness and opening fuel-basket lid, check whether internal structure finishes.
What the present invention was realized in：
A kind of PHWR spentnuclear fuel basket test-based examination device, including suspension and support, hand winding plant, suspension and support support locking
Device, basket lid gripping apparatus, spin test platform, base and measurement check percentage meter apparatus；Suspension and support is fixed on base；Hand rolling
Raise device and suspension and support support locking device is arranged on suspension and support；Basket lid gripping apparatus is suspended on suspension and support；Spin test platform
Check that percentage meter apparatus are fixed on base with measurement, positioned at the side of suspension and support, be also located at the lower section of basket lid gripping apparatus；Suspension and support
It is used to provide structural support to whole device with base；Hand winding plant is used to lift basket lid gripping apparatus；Suspension and support support locking
Device is used to lock the position of suspension and support；Basket lid gripping apparatus is used to capture fuel-basket basket lid；Spin test platform is used to support fuel
Basket basket seat simultaneously provides inspection platform；Measurement checks that percentage meter apparatus are used to detect fuel-basket basket seat.
Suspension and support as described above includes that column, pivot flange, pulley, steel wire rope, suspension hook, crossbeam, diagonal brace, steel wire rope are prevented
De- cover and rotating operating handle；The lower end of pivot flange is fixedly connected with base, and upper end is fixedly connected with column, is formed with column
One overall structure；The generally hollow cylindrical of column, is provided with rotating operating handle, for realizing in the middle part of outer face
The rotation of column；The upper end of column is fixedly connected one end of crossbeam；Diagonal brace is diagonally fixed between column and crossbeam, for adding
The bonding strength of strong column and crossbeam；Two pulleys are connected with the two ends of crossbeam；One end of steel wire rope and hand elevator
Device is connected, and the other end is connected after passing through two upper surfaces of pulley with suspension hook；Preventing wire rope from falling cover is provided with pulley, is used
It is spacing in being carried out to steel wire rope.
Hand winding plant as described above includes descending operation handle, cable drum, protective cover, worm gear, worm screw, song
Shaft arm and supporting box；Supporting box is fixed on column, for hand winding plant to be supported and fixed；Worm screw is set
In the inside of supporting box, two ends are flexibly connected with supporting box respectively, and wherein one end is stretched out outside supporting box, with crank arm
One end be fixedly connected；Worm gear is arranged on inside supporting box, and positioned at the top of worm screw, center is with supporting box activity even
Connect, lower end is engaged with worm screw；Cable drum is sleeved on the outside of turbine, follows turbine rotation, in cable drum winding
Steel wire rope；Protective cover is arranged on the upper end of supporting box, for being protected to turbine, cable drum and steel wire rope；Lifting
Operation handle is arranged on the other end of crank arm, for rotating crank arm, so as to drive the rotation of worm and worm wheel, realizes to steel
Cord is tightened up or discharged.
Suspension and support support locking device as described above includes that support journal bearing, mandrel, support thrust bearing, unblock are stepped on
Plate, the first spring, angle lock dead axle, lock slots and base plate；Base plate is fixed on the upper surface of base, under pivot flange
Side；Mandrel generally cylindrical, is fixed on the upper surface of base plate, coaxial with column positioned at the inside of column；In the side of mandrel
The upper/lower terminal in face is respectively arranged with support journal bearing, for radial positioning column；The inner side of the bearing of upper end and mandrel
The outer wall of side is in close contact, and outside is in close contact with the inwall of column side；The inner side of the bearing of lower end and the side of mandrel
Outer wall be in close contact, the inwall of outside and pivot flange side is in close contact；Branch is provided between pivot flange and base plate
Frame thrust bearing, for realizing the support to pivot flange and column；By setting support journal bearing and support thrust bearing,
Can cause that pivot flange and column are rotated by axle of mandrel；Unblock pedal is arranged on the side outside pivot flange, and one end is
Foot-operated position, the other end is connected with one end of the first spring；The other end of the first spring is connected with angle lock dead axle；In support
In 90 ° of lock slots of angle at the cylindrical upper processing two of flange；Angle lock dead axle insertion lock slots realize the locking of column；Step on
Lower unblock pedal, angle lock dead axle is extracted from lock slots, realizes the rotation of column.
Spin test platform as described above include support base, platform, floating positioning pin framework, positioning of floating promote, the
Two springs, turntable thrust bearing, turntable journal bearing and turntable mandrel；Support base generally cuboid, is fixed on
The upper end of base；Support base center vertically opens up manhole；Turntable mandrel is arranged on the circle of support base
In through hole, diameter of the diameter less than the manhole；Turntable mandrel is coaxial with the manhole, and the upper of support base is stretched out in upper end
End face；Turntable journal bearing is respectively arranged with the upper and lower ends of turntable mandrel side, for radial positioning turntable core
Axle, so as to realize rotation of the turntable mandrel in support base manhole；The generally hollow cylinder of floating positioning pin framework
The bodily form, upper end open, lower end is fixed on the upper end of turntable mandrel, coaxial with turntable mandrel；The lower end of second spring with it is floating
The upper surface of dynamic alignment pin base of frame is fixedly connected, and upper end is fixedly connected with positioning distribution of floating；Positioning of floating promotes head
The location hole of shape and fuel-basket basket seat bottom match, for being positioned to fuel-basket basket seat；Platform generally rounding
Taper type, center vertically offers manhole, and through-hole diameter and height match with floating positioning pin framework；
Floating positioning pin framework is integrally passed through from the manhole of platform, is fixedly connected with platform, and platform is stretched out in positioning of floating distribution
Upper surface；Turntable thrust bearing is provided between platform and support base, for carrying out axial support to platform.
Measurement as described above checks that percentage meter apparatus include that perpendicularity checks that dial gauge, flatness check dial gauge, hundred
Divide table guide rod, height adjusting set, lock handle and table bar；Dial gauge guide rod is fixed on base；Height adjusting set is sleeved on hundred
Divide on table guide rod, locking is realized by lock handle and is unclamped；Table bar is horizontally disposed, and one end is fixed with height adjusting set
Connection, other end connection dial gauge.
A height adjusting set as described above, a lock handle and a table bar are one group, have two groups；Top one
The other end of the table bar of group checks that dial gauge is connected with perpendicularity, and the other end and the flatness of the table bar of one group of lower section check percentage
Table is connected.
Basket lid gripping apparatus as described above includes claw, bearing pin, swing rod, suspension ring, connector, journal stirrup, cushion block, stop pin and company
Fishplate bar；Connector generally cylindrical, is evenly equipped with multiple connecting pins, for connecting swing rod on the circumference of side；Suspension ring
Lower end is fixedly connected with connector, for through suspension hook；Connecting plate generally annular tabular；In the outer of the upper surface of connecting plate
Edge is evenly equipped with multiple journal stirrups；The generally square tabular of journal stirrup, bearing pin is provided with outside, and inner side is provided with stop pin；Journal stirrup
Connecting pin with connector is corresponded；Outer rim in the lower surface of connecting plate is evenly equipped with multiple cushion blocks, for supporting fuel-basket
Basket lid；The total multiple of swing rod, respectively with the connecting pin one-to-one corresponding of journal stirrup and connector；The medial extremity of swing rod is by connector
Connecting pin is flexibly connected with connector, and outboard end is flexibly connected by bearing pin with journal stirrup, is rotated by axle of bearing pin；Claw is total more
It is individual, the outside of the outboard end of swing rod is separately mounted to, rotated with swing rod, so as to realize the crawl and release to fuel-basket basket lid.
Claw as described above and swing rod respectively have three, are evenly arranged along the horizontal plane.
Suspension and support as described above is made of carbon steel material, hand winding plant, suspension and support support locking device, basket lid
Height adjusting set, lock handle in gripping apparatus, spin test platform, base and measurement inspection percentage meter apparatus, table bar are adopted
It is made of stainless steel material.
The beneficial effects of the invention are as follows：
The present invention includes that suspension and support, hand winding plant, suspension and support support locking device, rotation check reference platform, survey
Amount checks percentage meter apparatus and basket lid gripping apparatus.Spentnuclear fuel basket test-based examination device described in the present invention, measurement data is accurate, safety
Reliable, easy to operate, operating efficiency is improved, and can fundamentally meet spentnuclear fuel basket before spentnuclear fuel cluster is loaded, it is ensured that follow-up
Related work is normally carried out, it is ensured that the welding of the upper and lower weld seam of integrality and fuel-basket of fuel bundle meets welding process requirement.
Brief description of the drawings
Fig. 1 is the front view of PHWR spentnuclear fuel basket test-based examination device of the invention；
Fig. 2 is the front view of the suspension and support of PHWR spentnuclear fuel basket test-based examination device of the invention；
Fig. 3 is the left view of the suspension and support of PHWR spentnuclear fuel basket test-based examination device of the invention；
Fig. 4 is the front view of the hand winding plant of PHWR spentnuclear fuel basket test-based examination device of the invention；
Fig. 5 is the front view of the suspension and support support locking device of PHWR spentnuclear fuel basket test-based examination device of the invention；
Fig. 6 is the front view of the spin test platform of PHWR spentnuclear fuel basket test-based examination device of the invention；
Fig. 7 is the front view of the measurement inspection percentage meter apparatus of PHWR spentnuclear fuel basket test-based examination device of the invention；
Fig. 8 is the front view of the basket lid gripping apparatus of PHWR spentnuclear fuel basket test-based examination device of the invention；
Fig. 9 is working state figure of the PHWR spentnuclear fuel basket test-based examination device of the invention in receiving station；
Figure 10 is that PHWR spentnuclear fuel basket test-based examination device of the invention is checking the working state figure of station.
Wherein：1. pillar, 2. hand winding plant, 3. pivot flange, 4. suspension and support support locking device, 5. pulley, 6.
Steel wire rope, 7. suspension hook, 8. basket lid gripping apparatus, 9. fuel-basket basket lid, 10. fuel-basket basket seat, 11. spin test platforms, 12. bases,
13. perpendicularity check dial gauge, and 14. flatnesses check dial gauge, 15. dial gauge guide rods, 16. crossbeams, 17. diagonal braces, 18. steel wires
Rope anti-drop cover, 19. rotating operating handles, 20. descending operation handles, 21. cable drums, 22. protective covers, 23. worm gears, 24.
Worm screw, 25. crank arms, 26. supporting box, 27. support journal bearings, 28. mandrels, 29. support thrust bearings, 30. unblocks are stepped on
Plate, 31. first springs, 32. angle lock dead axles, 33. lock slots, 34. base plates, 35. floating positioning are promoted, 36. second springs,
37. turntable thrust bearings, 38. turntable journal bearings, 39. turntable mandrels, 40. height adjusting sets, 41. lock handles,
42. table bars, 43. claws, 44. bearing pins, 45. swing rods, 46. suspension ring, 47. connectors, 48. journal stirrups, 49. cushion blocks, 50. stop pins,
51. connecting plates.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of PHWR spentnuclear fuel basket test-based examination device, including suspension and support, hand winding plant 2, branch
Hanger supports locking device 4, basket lid gripping apparatus 8, spin test platform 11, base 12 and measurement check percentage meter apparatus.Suspension and support
It is fixed on base 12.Hand winding plant 2 and suspension and support support locking device 4 are arranged on suspension and support.Basket lid gripping apparatus 8 hangs
On suspension and support.Spin test platform 11 and measurement check that percentage meter apparatus are fixed on base 12, positioned at the side of suspension and support,
It is also located at the lower section of basket lid gripping apparatus 8.Suspension and support and base 12 are used to provide structural support to whole device.Hand winding plant 2
For lifting basket lid gripping apparatus 8.Suspension and support support locking device 4 is used to lock the position of suspension and support.Basket lid gripping apparatus 8 is used to capture combustion
Material basket basket lid 9.Spin test platform 11 is used to support fuel-basket basket seat 10 and provide inspection platform.Measurement checks percentage meter apparatus
For detecting fuel-basket basket seat 10.
As shown in Figures 2 and 3, suspension and support include column 1, pivot flange 3, pulley 5, steel wire rope 6, suspension hook 7, crossbeam 16,
Diagonal brace 17, preventing wire rope from falling cover 18 and rotating operating handle 19.The lower end of pivot flange 3 is fixedly connected with base 12, upper end with
Column 1 is fixedly connected, and an overall structure is formed with column 1.The generally hollow cylindrical of column 1, the middle part of outer face
Rotating operating handle 19 is provided with, the rotation for realizing column.The upper end of column 1 is fixedly connected one end of crossbeam 16.Vertical
Diagonal brace 17, the bonding strength for strengthening column 1 and crossbeam 16 are diagonally fixed between post 1 and crossbeam 16.The two of crossbeam 16
End is connected with two pulleys 5.One end of steel wire rope 6 is connected with hand winding plant 2, and the other end is through two pulleys 5
It is connected with suspension hook 7 behind upper surface.Preventing wire rope from falling cover 18 is provided with pulley 5, it is spacing for being carried out to steel wire rope 6.
As shown in figure 4, hand winding plant 2 includes descending operation handle 20, cable drum 21, protective cover 22, worm gear
23rd, worm screw 24, crank arm 25 and supporting box 26.Supporting box 26 is fixed on column 1, for entering to hand winding plant 2
Row is supported and fixed.Worm screw 24 is arranged on the inside of supporting box 26, and two ends are flexibly connected with supporting box 26 respectively, wherein one
End is stretched out outside supporting box 26, and the one end with crank arm 25 is fixedly connected.Worm gear 23 is arranged on inside supporting box 26, is located at
The top of worm screw 24, center is flexibly connected with supporting box 26, and lower end is engaged with worm screw 24.Cable drum 21 is set with
In the outside of turbine 23, turbine 23 is followed to rotate, in the lay winding wire ropes 6 of cable drum 21.Protective cover 22 is arranged on support case
The upper end of body 26, for being protected to turbine 23, cable drum 21 and steel wire rope 6.Descending operation handle 20 is arranged on song
The other end of shaft arm 25, for rotating crank arm 25, so as to drive the rotation of worm screw 24 and worm gear 23, realizes to steel wire rope 6
Tighten up or discharge.
As shown in figure 5, suspension and support support locking device 4 includes support journal bearing 27, mandrel 28, support thrust bearing
29th, unblock pedal 30, the first spring 31, angle lock dead axle 32, lock slots 33 and base plate 34.Base plate 34 is fixed on the upper of base 12
End face, positioned at the lower section of pivot flange 3.The generally cylindrical of mandrel 28, is fixed on the upper surface of base plate 34, positioned at column 1
Inside, it is coaxial with column 1.Upper/lower terminal in the side of mandrel 28 is respectively arranged with support journal bearing 27, for radially
Positioning vertical column 1.The inner side of the bearing 27 of upper end is in close contact with the outer wall of the side of mandrel 28, and outside is interior with the side of column 1
Wall is in close contact；The outer wall close contact of the inner side of the bearing 27 of lower end and the side of mandrel 28, outside and the side of pivot flange 3
Inwall be in close contact.Support thrust bearing 29 is provided between pivot flange 3 and base plate 34, for realizing to pivot flange
3 and the support of column 1.By setting support journal bearing 27 and support thrust bearing 29, pivot flange 3 and column can be caused
1 is axle rotation with mandrel 28.Unblock pedal 30 is arranged on the side outside pivot flange 3, and one end is foot-operated position, the other end
One end with the first spring 31 is connected.The other end of the first spring 31 is connected with angle lock dead axle 32.In the cylindrical of pivot flange 3
In 90 ° of lock slots 33 of angle at upper processing two.The insertion lock slots 33 of angle lock dead axle 32 realize the locking of column 1；Step on
Unblock pedal 30, angle lock dead axle 32 is extracted from lock slots 33, realizes the rotation of column 1.
As shown in fig. 6, spin test platform 11 includes that support base, platform, floating positioning pin framework, positioning of floating are promoted
35th, second spring 36, turntable thrust bearing 37, turntable journal bearing 38 and turntable mandrel 39.Support base is generally long
Cube shape, is fixed on the upper end of base 12.Support base center vertically opens up manhole.Turntable mandrel 39 sets
Put in the manhole of support base, diameter of the diameter less than the manhole.Turntable mandrel 39 is coaxial with the manhole,
The upper surface of support base is stretched out in upper end.Upper and lower ends in the side of turntable mandrel 39 are respectively arranged with turntable journal bearing
38, for radial positioning turntable mandrel 39, so as to realize rotation of the turntable mandrel 39 in support base manhole.Float
The generally hollow cylindrical of alignment pin framework, upper end open, lower end is fixed on the upper end of turntable mandrel 39, with turntable
Mandrel 39 is coaxial.The lower end of second spring 36 is fixedly connected with the upper surface of floating positioning pin base of frame, and upper end is fixed with floating
Promote 35 and be fixedly connected in position.Positioning of floating promotes the shape of 35 heads and the location hole of 10 bottoms of fuel-basket basket seat matches, and uses
Positioned in fuel-basket basket seat 10.Platform generally rounding taper type, center vertically offers circular logical
Hole, through-hole diameter and height match with floating positioning pin framework.Floating positioning pin framework is overall from the manhole of platform
Pass through, be fixedly connected with platform, positioning of floating promotes 35 upper surfaces for stretching out platform.Rotation is provided between platform and support base
Platform thrust bearing 37, for carrying out axial support to platform.
As shown in fig. 7, measurement checks that percentage meter apparatus include that perpendicularity checks that dial gauge 13, flatness checks dial gauge
14th, dial gauge guide rod 15, height adjusting set 40, lock handle 41 and table bar 42.Dial gauge guide rod 15 is fixed on base 12.It is high
Degree adjusting set 40 is sleeved on dial gauge guide rod 15, is realized locking by lock handle 41 and is unclamped.Table bar 42 is in the horizontal direction
Set, one end is fixedly connected with height adjusting set 40, other end connection dial gauge.One height adjusting set, 40, locking handle
Hand 41 and a table bar 42 are one group, have two groups.The other end of the table bar 42 of one group of top checks dial gauge 13 with perpendicularity
Connection, the other end and the flatness of the table bar 42 of one group of lower section check that dial gauge 14 is connected.
As shown in figure 8, basket lid gripping apparatus 8 includes claw 43, bearing pin 44, swing rod 45, suspension ring 46, connector 47, journal stirrup 48, pad
Block 49, stop pin 50 and connecting plate 51.The generally cylindrical of connector 47, is evenly equipped with multiple connections on the circumference of side
Pin, for connecting swing rod 45.The lower end of suspension ring 46 is fixedly connected with connector 47, for through suspension hook 7.Connecting plate 51 is generally
Annular tabular.Outer rim in the upper surface of connecting plate 51 is evenly equipped with multiple journal stirrups 48.The generally square tabular of journal stirrup 48, outside
Side is provided with bearing pin 44, and inner side is provided with stop pin 50.Journal stirrup 48 is corresponded with the connecting pin of connector 47.In connecting plate
The outer rim of 51 lower surface is evenly equipped with multiple cushion blocks 49, for supporting fuel-basket basket lid 9.The total multiple of swing rod 45, respectively with branch
The connecting pin of ear 48 and connector 47 is corresponded.The medial extremity of swing rod 45 is lived by the connecting pin of connector 47 with connector 47
Dynamic connection, outboard end is flexibly connected by bearing pin 44 with journal stirrup 48, with bearing pin 44 for axle is rotated.The total multiple of claw 43, respectively
Installed in the outside of the outboard end of swing rod 45, rotated with swing rod 45, so as to realize the crawl and release to fuel-basket basket lid 9.It is excellent
Selection of land, claw 43 and swing rod 45 respectively have three, are evenly arranged along the horizontal plane, and this kind of arrangement has high crawl reliability
Property, while ensure that the light-weight design of the entirety of basket lid gripping apparatus 8.
In the present embodiment, suspension and support is made of carbon steel material, hand winding plant 2, suspension and support support locking device
4th, basket lid gripping apparatus 8, spin test platform 11, base 12 and measurement checks height adjusting set 40, the locking in percentage meter apparatus
Handle 41, table bar 42 are made of stainless steel material.
Occupation mode of the invention is as follows：
1. will institute's test-based examination fuel-basket spin test platform 11 in place, unclamp measurement check percentage meter apparatus lock
Tight handle 41, mobile height adjusting set 40 makes its table bar 42 just be contacted well with fuel-basket basket lid 9；
2. the power for gently being rotated on fuel-basket basket seat 10 plus a bit with hand, fuel-basket basket seat 10 and the phase of spin test platform 11
Contact, because fuel-basket own wt and platform have frictional force, it drives turntable mandrel 39 in the He of turntable thrust bearing 37
Turntable journal bearing 38 is together rotated；
3. flatness checks the tour of the measurement fuel-basket basket of dial gauge 14 lid 9, and the flatness of dial gauge record basket lid is
It is no to meet requirement.The lock handle 41 that flatness checks dial gauge 14 is unclamped, flatness is withdrawn and is checked dial gauge 14.
4. the lock handle 41 that perpendicularity checks dial gauge 13 is unclamped, and mobile perpendicularity checks that dial gauge 13 makes its table bar 42
It is just good with fuel-basket basket 10 peripheral contacts of seat；
5. the power for gently being rotated on fuel-basket basket seat 10 plus a bit with hand, fuel-basket basket seat 10 and the phase of spin test platform 11
Contact, because fuel-basket own wt and platform have frictional force, it drives turntable mandrel 39 in the He of turntable thrust bearing 37
Turntable journal bearing 38 is together rotated；
6. check that dial gauge 13 measures fuel-basket basket seat 10 and is rotated by 360 ° using perpendicularity, record fuel-basket basket seat 10 1
Whether the circular degree in week meets requirement.The lock handle 41 that perpendicularity checks dial gauge 13 is unclamped, perpendicularity is withdrawn and is checked percentage
Table 13；
7. the original state of suspension and support support locking device 4 is due to the lock slots at the cylindrical upper processing 2 of pivot flange 3 in 90 °
33, when suspension hook 7 is not directly over fuel-basket, angle lock dead axle 32 inserts lock slots 33 all the time under the effect of the first spring 31,
The angle of pillar 1 is locked out rotation.Step on unblock pedal 30 and keep, angle lock dead axle 32 is extracted from lock slots 33, behaviour
Make personnel's held by both hands rotating operating handle 19, after pillar 1 is rotated by 90 °, unclamp unblock pedal 30, angle lock dead axle 33 is first
The lower insertion lock slots 33 of the effect of spring 31, so as to lock the angle of pillar 1, prevent it from rotating.Now basket lid gripping apparatus 8 is just in institute
Check the top of fuel-basket；
8. the descending operation handle 20 of hand winding plant 2 is driven, descending operation handle 20, lifting handle is rotated clockwise
20 drive crank arms 25 are rotated, and crank arm 25 drives worm screw 24 to rotate, and worm screw 24 rotates and drives worm gear 23 to rotate, and worm gear 23 drives
Cable drum 21 is rotated, and steel wire rope 6 is followed pulley 5 to rotate by cable drum 21, and 6 hook of steel wire rope 7 drives basket lid to grab
Tool 8 drives downwards；
9. basket lid gripping apparatus 8 and the directly contact of fuel-basket basket lid 9, three claws 43 of basket lid gripping apparatus 8 under the effect of swing rod 45,
Automatically open up, now basket lid gripping apparatus 8 is contacted with fuel-basket basket lid 9 completely, and the descending operation of hand winding plant 2 is driven counterclockwise
Handle 20, three claws 43 are retracted automatically under the effect of swing rod 45, and three claws 43 block the edge of fuel-basket basket lid 9, are continued inverse
Hour hands rotation and lifting operation handle 20 is to highest order.
10. the lock handle 41 that perpendicularity checks dial gauge 13, regulation table bar 42 to fuel-basket basket 10 newels of seat are unclamped
Correct position, dial gauge table bar 42 is completely attached to newel, rotates fuel-basket basket seat 10；
11. perpendicularity check that measurement fuel-basket basket 10 newels of seat of dial gauge 13 are rotated by 360 °, dial gauge record fuel-basket
Whether the perpendicularity of newel meets requirement.The lock handle 41 that perpendicularity checks dial gauge 13 is unclamped, perpendicularity inspection is withdrawn
Dial gauge 13；
After the completion of 12. all check measurements, internal associated components are reexamined, confirm whether it is normal.By hand elevator
2 are filled, five gripping apparatus figure of descending operation handle figure one are rotated clockwise and is driven basket lid to drive downwards until completely in place with fuel-basket lid,
Three claw figures seven of gripping apparatus are automatically opened up under the effect of swing rod figure seven, and descending operation handle 20, human intervention one are driven counterclockwise
Under grab basket lid gripping apparatus 8, three claws 45 and fuel-basket edge separation are continued to lift up to highest order.
13. step on unblock pedal 30 and keep, and angle lock dead axle 32 is extracted from lock slots 33, the rotation of operating personnel's held by both hands
Turn operation handle 19, to the original position of pillar 1 after the opposite direction of pillar 1 is rotated by 90 °, unclamp unblock pedal 30, angle lock dead axle
32 insert lock slots 33 under the effect of the first spring 31, so as to lock the angle of pillar 1, prevent it from rotating.
More than 14. operations are completed, and a fuel-basket has been checked.
Implementation of the invention is explained in detail above in conjunction with embodiment, but the present invention is not limited to above-mentioned reality
Example is applied, in the ken that those of ordinary skill in the art possess, can also be on the premise of present inventive concept not be departed from
Various changes can be made.The content not being described in detail in description of the invention can use prior art.
Claims (10)
1. a kind of PHWR spentnuclear fuel basket test-based examination device, it is characterised in that：It include suspension and support, hand winding plant (2),
Suspension and support support locking device (4), basket lid gripping apparatus (8), spin test platform (11), base (12) and measurement check dial gauge dress
Put；Suspension and support is fixed on base (12)；Hand winding plant (2) and suspension and support support locking device (4) are arranged on suspension and support
On；Basket lid gripping apparatus (8) is suspended on suspension and support；Spin test platform (11) and measurement check that percentage meter apparatus are fixed on base
(12) on, positioned at the side of suspension and support, it is also located at the lower section of basket lid gripping apparatus (8)；Suspension and support and base (12) are for whole dress
Offer structural support is provided；Hand winding plant (2) is for lifting basket lid gripping apparatus (8)；Suspension and support support locking device (4) is for locking
Determine the position of suspension and support；Basket lid gripping apparatus (8) is for capturing fuel-basket basket lid (9)；Spin test platform (11) is for supporting fuel
Basket basket seat (10) simultaneously provides inspection platform；Measurement checks that percentage meter apparatus are used to detect fuel-basket basket seat (10).
2. PHWR spentnuclear fuel basket test-based examination device according to claim 1, it is characterised in that：Described suspension and support bag
Include column (1), pivot flange (3), pulley (5), steel wire rope (6), suspension hook (7), crossbeam (16), diagonal brace (17), preventing wire rope from falling
Cover (18) and rotating operating handle (19)；The lower end of pivot flange (3) is fixedly connected with base (12), and upper end is solid with column (1)
Fixed connection, an overall structure is formed with column (1)；The generally hollow cylindrical of column (1), the middle part of outer face is set
There is rotating operating handle (19), the rotation for realizing column；The upper end of column (1) is fixedly connected one end of crossbeam (16)；
Diagonal brace (17), the bonding strength for strengthening column (1) and crossbeam (16) are diagonally fixed between column (1) and crossbeam (16)；
Two pulleys (5) are connected with the two ends of crossbeam (16)；One end of steel wire rope (6) is connected with hand winding plant (2), separately
One end is connected after passing through two upper surfaces of pulley (5) with suspension hook (7)；Preventing wire rope from falling cover (18) is provided with pulley (5),
It is spacing for being carried out to steel wire rope (6).
3. PHWR spentnuclear fuel basket test-based examination device according to claim 2, it is characterised in that：Described hand elevator
Device (2) includes descending operation handle (20), cable drum (21), protective cover (22), worm gear (23), worm screw (24), crank
Arm (25) and supporting box (26)；Supporting box (26) is fixed on column (1), for propping up hand winding plant (2)
Support and fixed；Worm screw (24) is arranged on the inside of supporting box (26), and two ends are flexibly connected with supporting box (26) respectively, wherein
Supporting box (26) outside is stretched out in one end, and the one end with crank arm (25) is fixedly connected；Worm gear (23) is arranged on supporting box
(26) internal, positioned at the top of worm screw (24), center is flexibly connected with supporting box (26), and lower end matches with worm screw (24)
Close；Cable drum (21) is sleeved on the outside of turbine (23), follows turbine (23) to rotate, and steel is wound in cable drum (21)
Cord (6)；Protective cover (22) installed in the upper end of supporting box (26), for turbine (23), cable drum (21) and steel
Cord (6) is protected；Descending operation handle (20) installed in crank arm (25) the other end, for rotating crank arm (25),
So as to drive the rotation of worm screw (24) and worm gear (23), tightening up or discharge to steel wire rope (6) is realized.
4. PHWR spentnuclear fuel basket test-based examination device according to claim 3, it is characterised in that：Described suspension and support branch
Support locking device (4) includes support journal bearing (27), mandrel (28), support thrust bearing (29), unblock pedal (30), first
Spring (31), angle lock dead axle (32), lock slots (33) and base plate (34)；Base plate (34) is fixed on the upper surface of base (12),
Positioned at the lower section of pivot flange (3)；Mandrel (28) generally cylindrical, is fixed on the upper surface of base plate (34), positioned at column
(1) inside, it is coaxial with column (1)；Upper/lower terminal in the side of mandrel (28) is respectively arranged with support journal bearing
(27), for radial positioning column (1)；The inner side of the bearing (27) of upper end is in close contact with the outer wall of the side of mandrel (28),
Outside is in close contact with the inwall of column (1) side；The inner side of the bearing (27) of lower end is tight with the outer wall of the side of mandrel (28)
Contiguity is touched, and outside is in close contact with the inwall of pivot flange (3) side；It is provided between pivot flange (3) and base plate (34)
Support thrust bearing (29), for realizing the support to pivot flange (3) and column (1)；By setting support journal bearing
(27) and support thrust bearing (29), can cause that pivot flange (3) and column (1) are that axle is rotated with mandrel (28)；Unblock is stepped on
Plate (30) is arranged on the outside side of pivot flange (3), and one end is one end of foot-operated position, the other end and the first spring (31)
Connection；The other end of the first spring (31) is connected with angle lock dead axle (32)；It is at the cylindrical upper processing two of pivot flange (3)
90 ° of lock slots of angle (33)；Angle lock dead axle (32) inserts the locking that lock slots (33) realize column (1)；Step on unblock
Pedal (30), angle lock dead axle (32) is extracted from lock slots (33), realizes the rotation of column (1).
5. PHWR spentnuclear fuel basket test-based examination device according to claim 4, it is characterised in that：Described spin test
Platform (11) is pushed away including support base, platform, floating positioning pin framework, float positioning distribution (35), second spring (36), turntable
Power bearing (37), turntable journal bearing (38) and turntable mandrel (39)；Support base generally cuboid, is fixed on base
(12) upper end；Support base center vertically opens up manhole；Turntable mandrel (39) is arranged on support base
In manhole, diameter of the diameter less than the manhole；Turntable mandrel (39) is coaxial with the manhole, and branch is stretched out in upper end
Support the upper surface of seat；Upper and lower ends in turntable mandrel (39) side are respectively arranged with turntable journal bearing (38), are used for
Radial positioning turntable mandrel (39), so as to realize rotation of the turntable mandrel (39) in support base manhole；It is fixed to float
The generally hollow cylindrical of position pin framework, upper end open, lower end is fixed on the upper end of turntable mandrel (39), with turntable
Mandrel (39) is coaxial；The lower end of second spring (36) is fixedly connected with the upper surface of floating positioning pin base of frame, upper end with it is floating
Dynamic positioning is promoted (35) and is fixedly connected；Positioning of floating promotes the shape of (35) head and the location hole of fuel-basket basket seat (10) bottom
Match, for being positioned to fuel-basket basket seat (10)；Platform generally rounding taper type, center is vertically opened
Manhole is provided with, through-hole diameter and height match with floating positioning pin framework；Floating positioning pin framework is overall from platform
Passed through in manhole, be fixedly connected with platform, positioning of floating promotes the upper surface that (35) stretch out platform；Platform and support base it
Between be provided with turntable thrust bearing (37), for carrying out axial support to platform.
6. PHWR spentnuclear fuel basket test-based examination device according to claim 1, it is characterised in that：Described measurement inspection
Percentage meter apparatus include that perpendicularity checks that dial gauge (13), flatness check that dial gauge (14), dial gauge guide rod (15), height are adjusted
Section set (40), lock handle (41) and table bar (42)；Dial gauge guide rod (15) is fixed on base (12)；Height adjusting set (40)
It is sleeved on dial gauge guide rod (15), locking is realized by lock handle (41) and is unclamped；Table bar (42) is horizontally disposed,
One end is fixedly connected with height adjusting set (40), other end connection dial gauge.
7. PHWR spentnuclear fuel basket test-based examination device according to claim 6, it is characterised in that：A described height
Adjusting set (40), a lock handle (41) and a table bar (42) are one group, have two groups；The table bar (42) of one group of top
The other end checks that dial gauge (13) is connected with perpendicularity, and the other end and the flatness of the table bar (42) of one group of lower section check dial gauge
(14) connect.
8. PHWR spentnuclear fuel basket test-based examination device according to claim 5, it is characterised in that：Described basket lid gripping apparatus
(8) including claw (43), bearing pin (44), swing rod (45), suspension ring (46), connector (47), journal stirrup (48), cushion block (49), locking
Pin (50) and connecting plate (51)；Connector (47) generally cylindrical, is evenly equipped with multiple connecting pins on the circumference of side, uses
In connection swing rod (45)；The lower end of suspension ring (46) is fixedly connected with connector (47), for through suspension hook (7)；Connecting plate (51)
Generally annular tabular；Outer rim in the upper surface of connecting plate (51) is evenly equipped with multiple journal stirrups (48)；Journal stirrup (48) is generally
Square tabular, bearing pin (44) is provided with outside, and inner side is provided with stop pin (50)；The company of journal stirrup (48) and connector (47)
Pin is corresponded；Outer rim in the lower surface of connecting plate (51) is evenly equipped with multiple cushion blocks (49), for supporting fuel-basket basket lid
(9)；The total multiple of swing rod (45), respectively with the connecting pin one-to-one corresponding of journal stirrup (48) and connector (47)；Swing rod (45) it is interior
Side is flexibly connected by the connecting pin of connector (47) with connector (47), and outboard end is living with journal stirrup (48) by bearing pin (44)
Dynamic connection, with bearing pin (44) for axle is rotated；The total multiple of claw (43), is separately mounted to the outside of the outboard end of swing rod (45),
Rotated with swing rod (45), so as to realize the crawl and release to fuel-basket basket lid (9).
9. PHWR spentnuclear fuel basket test-based examination device according to claim 8, it is characterised in that：Described claw (43)
Respectively there are three with swing rod (45), be evenly arranged along the horizontal plane.
10. PHWR spentnuclear fuel basket test-based examination device according to claim 6, it is characterised in that：Described suspension and support
It is made of carbon steel material, hand winding plant (2), suspension and support support locking device (4), basket lid gripping apparatus (8), spin test are put down
Platform (11), base (12) and measurement check height adjusting set (40), lock handle (41), table bar (42) in percentage meter apparatus
It is made of stainless steel material.
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| CN201611232584.0A CN106705810B (en) | 2016-12-28 | 2016-12-28 | Heavy water reactor spent fuel basket testing and checking device |
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| CN107195348A (en) * | 2017-06-08 | 2017-09-22 | 清华大学天津高端装备研究院 | It is a kind of to be used for the refuelling system of integrated heap |
| CN107796285A (en) * | 2017-11-24 | 2018-03-13 | 张化机（苏州）重装有限公司 | Vertical degree adjustable hanging basket cylinder roundness detector |
| CN110588704A (en) * | 2019-09-29 | 2019-12-20 | 神华铁路货车运输有限责任公司 | Disassembling and assembling device for car coupler buffer |
| CN112320559A (en) * | 2020-09-27 | 2021-02-05 | 中核核电运行管理有限公司 | Manhole cover plate hoisting device for voltage stabilizer of nuclear power unit |
| CN116752557A (en) * | 2023-08-16 | 2023-09-15 | 北京城建集团有限责任公司 | Vertical pipe descending device and pipe descending method for dewatering well pipe |
| CN107796285B (en) * | 2017-11-24 | 2024-04-30 | 张化机（苏州）重装有限公司 | Roundness detector for hanging basket barrel with adjustable verticality |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107796285B (en) * | 2017-11-24 | 2024-04-30 | 张化机（苏州）重装有限公司 | Roundness detector for hanging basket barrel with adjustable verticality |
| CN110588704A (en) * | 2019-09-29 | 2019-12-20 | 神华铁路货车运输有限责任公司 | Disassembling and assembling device for car coupler buffer |
| CN110588704B (en) * | 2019-09-29 | 2024-04-09 | 神华铁路装备有限责任公司 | Dismounting device of coupler buffer |
| CN112320559A (en) * | 2020-09-27 | 2021-02-05 | 中核核电运行管理有限公司 | Manhole cover plate hoisting device for voltage stabilizer of nuclear power unit |
| CN116752557A (en) * | 2023-08-16 | 2023-09-15 | 北京城建集团有限责任公司 | Vertical pipe descending device and pipe descending method for dewatering well pipe |
| CN116752557B (en) * | 2023-08-16 | 2023-12-05 | 北京城建集团有限责任公司 | Vertical pipe descending device and pipe descending method for dewatering well pipe |
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