CN207863801U - Nuclear power station radwaste temporary library shield door - Google Patents
Nuclear power station radwaste temporary library shield door Download PDFInfo
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- CN207863801U CN207863801U CN201721520706.6U CN201721520706U CN207863801U CN 207863801 U CN207863801 U CN 207863801U CN 201721520706 U CN201721520706 U CN 201721520706U CN 207863801 U CN207863801 U CN 207863801U
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Abstract
The utility model belongs to nuclear power station radiation shield technical field, specific open kind of nuclear power station radwaste temporary library shield door, the waste temporary library shield door includes fixed mask A, swivel bearing, shield door and fixed mask B, the left side of fixed mask A, top, bottom is fixed with wall, the lower part of fixed mask A be provided with can make radwaste bucket by hole, the right side of fixed mask A is equipped with swivel bearing, it is fixed with wall at the top and bottom of swivel bearing, it is connect with shield door left pivot movement on the right side of swivel bearing, the right side of shield door is connect with fixed mask B, on the right side of fixed mask A, top, bottom is fixed with wall.The shield door can reduce environmental dose, reduce staff's radioactive dose and improve the accuracy of device measuring, while avoiding lead material from falling off and causing unnecessary injury to equipment or personnel, improve safety and the convenience of shielding.
Description
Technical field
The utility model belongs to nuclear power station radiation shield technical field, and in particular to a kind of nuclear power station radwaste is temporary
Library shield door.
Background technology
The radioactivity that domestic nuclear power generates does miscellaneous waste generally using compression packing process processing, and radioactive level is relatively low
Waste be generally packed into 200L or 160L steel drums, compression be packaged after the completion of, waste package need to be temporarily stored in waste vault.Due to
A certain amount of waste package is housed in waste temporary library, in addition adjacent between waste temporary library and compression packaging operation, work people
Member, can be by a degree of radiation exposure when carrying out compression packing related work.Simultaneously as Environmental dose rate increases,
Operation is measured to pail for used dressings surface contact agent dose rate and also brings along certain interference, causes measured value error larger.
To reduce personnel's radioactive dose, the accuracy of pail for used dressings Dose rate measurement is improved, need to be had to waste temporary library
The shielding of effect.At unit operation initial stage, the measure of use is the suspension lead shield at waste temporary library channel, and such method has one
Fixed shield effectiveness.But since the thickness of lead shield is smaller, if wanting radiation level being down to desirable level, it is necessary to hang polylith lead
Screen, the mass density of lead is larger, is shielded by the way of hanging lead shield, and there are larger to fall risk, to waste package
Conveying track causes a degree of damage and personnel may be caused to injure.In addition, personnel are to waste vault progress inspection or clearly
When clean, since simple and crude, personnel's disengaging waste vault inconvenience is built in lead screen, meanwhile, also influence the tidiness in room.
It is bad and there are problems that security risk for the shield effectiveness of suspension lead shield, in conjunction with live practical, shield from being promoted
Cover effect, the possibility for avoiding lead shield from falling and personnel by convenience start with, will shielding and door function integration, design
Shield door has been made, the radiation level of workplace is reduced, has reduced staff's radioactive dose, has improved waste temporary library
The safety of shielding and convenience.
Invention content
The purpose of this utility model is to provide a kind of shield door of waste temporary library, which can reduce environment agent
Amount reduces staff's radioactive dose and improves the accuracy of device measuring, while lead material being avoided to fall off to equipment or personnel
Unnecessary injury is caused, safety and the convenience of shielding are improved.
Realize the technical solution of the utility model aim：A kind of nuclear power station radwaste temporary library shield door, the waste
Temporary library shield door includes fixed mask A, swivel bearing, shield door and fixed mask B, left side, top, the bottom of fixed mask A
Portion is fixed with wall, the lower part of fixed mask A be provided with can make radwaste bucket by hole, the right side of fixed mask A
Side is equipped with swivel bearing, is fixed with wall at the top and bottom of swivel bearing, connects with shield door left pivot movement on the right side of swivel bearing
It connects, the right side of shield door is connect with fixed mask B, and the right sides fixed mask A, top, bottom are fixed with wall.
The fixed mask A includes stainless steel faceplate A, stainless panel B, stereotype and rectangular hollow steel C, stainless steel faceplate
Stereotype is clipped between A and stainless panel B, several rectangular hollow steel C, several sides are clipped between stainless panel B 45 and stereotype
Shape hollow steel C uniform intervals are arranged between stainless panel B and stereotype.
It is fixed with wall in the middle part of the stainless steel faceplate A, at the top of superposed rectangular hollow steel C and positioned at lower part
The bottoms rectangular hollow steel C fixed with wall.
The swivel bearing includes bearing block, interior expansion outer-hexagonal bolt, deep groove ball bearing, circlip for hole, six
Hex bolt full thread, thrust ball bearing, deep groove ball bearing, shaft and bottom plate, swivel bearing top pass through interior expansion outer-hexagonal
Bolt is fixed with wall, and bearing block, adjust pad 6, interior expansion outer-hexagonal bolt, deep groove ball bearing A, Kong Yong are equipped at the top of shaft
Circlip, hexagon-headed bolt full thread are equipped with hexagon-headed bolt full thread, circlip for hole, zanjon successively from inside to outside
Ball bearing, outermost are fixed with top bearing block, and shaft lower part is equipped with thrust ball bearing, deep groove ball bearing B and bottom plate, thrust ball
Bearing is located above deep groove ball bearing B, and deep groove ball bearing B is located in lower bearing seat, rotating shaft bottom portion be located at thrust ball bearing with
In deep groove ball bearing B, lower bearing seat bottom connecting bottom board, bottom plate is fixed with wall.
The shield door includes the double tongue locks of fire resistant doorsets, stereotype, stainless steel front panel, rectangular hollow steel A, plate A, back
Plate, rectangular hollow steel B, square tube, plate B, plate C, head plate, pipe are decorated and fills Buffer Unit, behind stainless steel front panel, stainless steel
It is respectively embedded with one block of stereotype on the inside of plate, is separated with rectangular hollow steel A among two blocks of stereotypes, rectangular hollow steel A is clipped in upper and lower two
Between block plate A, the plate A on top is in stainless steel front panel, and the plate A of lower part is in rear panel；Upper and lower two pieces of adjacent sides
Decoration square tube is installed, shield door outer is surround using rectangular hollow steel B between shape hollow steel A；The rectangular hollow steel B's in right side
Outside is equipped with channel steel 30, and 30 outside of channel steel is equipped with pipe；Shield door bottom close to the part of swivel bearing be equipped with plate B, plate C and
Head plate, plate, head plate are mounted on the right side of the rectangular hollow steel B of bottom, and plate is mounted on the rectangular hollow of bottom
The bottoms steel B；Shield door upper right is equipped with Buffer Unit；The top of pipe on the left of shield door, lower part and swivel bearing it is upper,
Step connects；The double tongue locks of the fire resistant doorsets of shield door run through stainless steel front panel, stereotype and rear panel.
The Buffer Unit of the shield door includes that hex nut, cylindrical compression spring, hexagon socket cap head screw are gentle
The socket cap left side of stamping, hexagon socket cap head screw is equipped with hex nut, and cylindrical compression spring is inserted into interior hexagonal cylindrical head spiral shell
In the shell of nail and it is sleeved on outside the socket cap right end of hexagon socket cap head screw, the left end of cylindrical compression spring and bolster
Head contact, bolster are inserted between the shell of fillister head screw and socket cap.
The fixed mask B includes stereotype A, stereotype B, upper mounting ear, rectangular hollow steel E, rectangular hollow steel F, stainless
Steel facing C, stainless steel faceplate D and bottom plate B, stainless steel faceplate C, stainless steel faceplate D inside respectively be embedded with stereotype A and stereotype
B, preceding top panel 42 are fixed at the top of stereotype A, are connected by upper mounting ear between preceding top panel 42 and stereotype B；Stereotype A and lead
Be equipped with rectangular hollow steel between plate B, be equipped with rectangular hollow steel F between plate B and preceding top panel 42, stereotype A and rectangular hollow steel it
Between be equipped with angle steel；Stainless steel faceplate C, stainless steel faceplate D；The double tongue locks of the fire resistant doorsets of shield door are inserted in the rectangular of fixed mask B
In the opening of hollow steel.
Angle steel is equipped between the stereotype A and rectangular hollow steel.
Between the fixed mask A left bottoms and wall, between swivel bearing bottom and wall, the bottoms fixed mask B
Gasket is respectively provided between portion and wall.
Interior expansion outer-hexagonal bolt in the swivel bearing and between wall be equipped with adjust pad.
The advantageous effects of the utility model are：(1) embedded stereotype shield door, simplifies shielding construction, makes lead
Plate is fixed orderly and firmly, and stereotype is avoided to fall off the risk for causing to injure to equipment or people；It (2) can be according to environmental dose
Rate is adjusted the thickness of lead screen, and structural integrity, and shield effectiveness greatly improves, and reduces the exposure agent of staff
Amount, improves device measuring accuracy；(3) structural strength of shield door has been ensured to stainless steel frame robust construction, switch
Convenience further enhances；(4) design of bolster effectively reduces shield door inertia impact, and equipment traumatic resistance can be able to
It ensures.(5) when shield door is opened, it can not be closed on the inside of the slave waste vault of door lock, prevent people from locking to waste vault room.
Description of the drawings
Fig. 1 (a) is a kind of nuclear power station radwaste temporary library shield door overall pattern provided by the utility model；
Fig. 1 (b) is the sectional view along A-A of Fig. 1 (a)；
Fig. 1 (c) is the B-B direction sectional view of Fig. 1 (a)；
Fig. 1 (d) is the C-C of Fig. 1 (a) to sectional view；
Fig. 1 (e) is the D-D of Fig. 1 (a) to sectional view；
Fig. 1 (f) is the E-E of Fig. 1 (a) to sectional view；
Fig. 2 (a) is a kind of nuclear power station radwaste temporary library shield door side view provided by the utility model；
Fig. 2 (b) is the I enlarged partial cross sections of Fig. 2 (a)；
Fig. 3 (a) is a kind of nuclear power station radwaste temporary library shield door internal structure chart provided by the utility model；
Fig. 3 (b) is the II enlarged partial cross sections of Fig. 3 (a)；
Fig. 4 (a) is a kind of nuclear power station radwaste temporary library shield door fixed mask A provided by the utility model
Figure；Fig. 4 (b) is the C-C of Fig. 4 (a) to sectional view；
Fig. 4 (c) is the D-D of Fig. 4 (a) to sectional view.
Fig. 5 (a) is a kind of nuclear power station radwaste temporary library shield door fixed mask B provided by the utility model
Figure；
Fig. 5 (b) is the sectional view along A-A of Fig. 5 (a)；
Fig. 5 (c) is the B-B direction sectional view of Fig. 5 (a).
In figure：
1, fixed mask A, 2, lifting bolt M12,3, shield door, 4, fixed mask B,
5. bearing block, 6. adjust pads, 7. interior expansion outer-hexagonal bolts, 8. hex nuts, 9. plain washers, 10. cylinder pressures
Contracting spring, 11. hexagon socket cap head screws, 12. bolsters, 13. adjust pads, 14. deep groove ball bearing A, 15. holes are kept off with elasticity
Circle, 16. hexagon-headed bolt full threads, 17. plain washers, 18. thrust ball bearings；
19,20,21,22. adjust pad, the double tongue locks of 23. fire resistant doorsets；
24. stereotype, 25. front panels, 26. rectangular hollow steel A, 27. plate A, 28. rear panels；
29. rectangular hollow steel B, 30. channel steels, the 31. bottom plate decoration square tubes of B, 32. rectangular hollow steel C, 33., 34. plate B,
35. plate C, 36. head plates, 37. pipes；
38. angle steel, 39. stereotype A, 40. rear panels, mounting ear on 41., top panel before 42.；
43. panel A, 44. stereotype B, 45. panel B, 46. deep groove ball bearing B, 47. rectangular hollow steel E, 48. is rectangular hollow
Steel F, 49. shafts, 50. bottom plate A, 51. stainless steel faceplate C, 52. stainless steel faceplate D.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Fig. 1 (a), a kind of nuclear power station radwaste temporary library shield door provided by the utility model, this is useless
Object temporary library shield door includes fixed mask A1, swivel bearing, shield door 3 and fixed mask B4, fixed mask A1, rotary shaft
It holds, shield door 3 and fixed mask B4 are integrally embedded in wall.The bolt that passes on left of fixed mask A1 is fixed with wall, fixed
It is fixed by bolt and wall at the top and bottom of shielding A1, the lower part of fixed mask A1, which is provided with, can make radwaste bucket logical
The right side at the hole crossed, fixed mask A1 is equipped with swivel bearing, is fixed by bolt and wall at the top and bottom of swivel bearing,
It is connect with 3 left side of shield door by bolt on the right side of swivel bearing, shield door 3 can be rotated around swivel bearing, the right side of shield door 3
It is connect with fixed mask B4 by door lock, is fixed by bolt and wall on the right side of fixed mask A4, at the top of fixed mask A4 and bottom
Portion is fixed by bolt and wall.
As shown in Fig. 1 (a), 1 (e), adjust pad 19,20, rotation are set between fixed mask A1 left bottoms and wall
Adjust pad 20,21 is set between bearing bottom and wall, gasket 22,20 is set between the bottoms fixed mask B4 and wall.It adjusts
Whole gasket 19,20,21,22 slows down the damaged condition of waste temporary library shield door, the left sides fixed mask A1 and fixation into row buffering
It is embedded between adjust pad 13 and wall and is fixed with interior expansion outer-hexagonal bolt 7 respectively on the right side of shielding B4.
As shown in Fig. 1 (a), 4 (a), 4 (b), 4 (c), fixed mask A 1 includes stainless steel faceplate A 43, stainless panel B
45, stereotype 44, rectangular hollow steel DC32, clip one block of stereotype 44, to subtract between stainless steel faceplate A 43 and stainless panel B 45
Light door weight and unified thickness gate, are separated between stainless panel B 45 and stereotype 44 with rectangular hollow steel C32, three rectangular skies
Heart steel C32 uniform intervals are arranged between stainless panel B45 and stereotype 44.Between stainless steel faceplate A43 and stereotype 44, stereotype
Between 44 and rectangular hollow steel C32, it is all made of bolt between rectangular hollow steel C32 and stainless panel B 45 and is fixedly connected.It is fixed
1 tops shielding A are reinforced with wall using lifting bolt 2.43 middle part interior expansion outer-hexagonal bolts 7 of stainless steel faceplate A
It is fixed between embedded adjust pad 13 and wall.At the top of superposed rectangular hollow steel C32 and positioned at the rectangular of lower part
Hollow steel C32 is fixed by bolt and wall bottom.
As shown in Fig. 1 (a), 1 (b), 1 (c), swivel bearing includes bearing block 5, adjust pad 6, interior expansion outer-hexagonal bolt
7, deep groove ball bearing A14, circlip for hole 15, hexagon-headed bolt full thread 16, plain washer 17, thrust ball bearing 18, zanjon
Ball bearing B46, shaft 49 and bottom plate A50, bearing block 5 are upper and lower two.Swivel bearing top A-A passes through interior expansion outer-hexagonal
Bolt 7 is fixed with wall, and adjust pad 6 is equipped between expansion outer-hexagonal bolt 7 and wall.The top of shaft 49 be equipped with bearing block 5,
Adjust pad 6, interior expansion outer-hexagonal bolt 7, deep groove ball bearing A14, circlip for hole 15, hexagon-headed bolt full thread 16,
Plain washer 17 is equipped with hexagon-headed bolt full thread 16, plain washer 17, circlip for hole 15, deep-groove ball axis successively from inside to outside
Hold 14, outermost is with top bearing block 5 by hexagon-headed bolt full thread 16, plain washer 17, circlip for hole 15, deep-groove ball axis
It holds A14 to fix, 49 top of shaft is located in deep groove ball bearing 14.Swivel bearing lower part B-B：49 lower part of shaft is equipped with thrust ball
Bearing 18, deep groove ball bearing B46 and bottom plate 50, thrust ball bearing 18 are located above deep groove ball bearing B46, deep groove ball bearing B46
In lower bearing seat 5,49 bottom of shaft is located in thrust ball bearing 18 and deep groove ball bearing B46,5 bottom of lower bearing seat
It is bolted to connection bottom plate A50, bottom plate A50 is fixed by bolt and wall.Deep groove ball bearing 46 fixes rotation steel ball, pushes away
Power ball bearing 18 is located above deep groove ball bearing 46B, and the pressure for sharing part door simultaneously reduces frictional force when door rotates.
As shown in Fig. 1 (a), 1 (f), 2 (a), 2 (b), 3 (a), 3 (b), shield door 3 includes the double tongue locks 23 of fire resistant doorsets, stereotype
24, front panel 25, rectangular hollow steel A26, plate A27, rear panel 28, rectangular hollow steel B29, channel steel 30, decoration square tube 33, plate
B34, plate C35, head plate 36, pipe 37 and dress Buffer Unit.Shield door 3 is by stainless steel front panel 25 and stainless steel rear panel 28
As outer surface, stainless steel front panel 25,28 inside of stainless steel rear panel are respectively embedded with one block of stereotype 24, two blocks of stereotypes 24
Centre is separated with rectangular hollow steel A26, wherein rectangular hollow steel A26 is fixed between being clipped in upper and lower two boards 27A, prevents it
It falls off, the plate A27 on top is in stainless steel front panel 25, and the plate 27A of lower part is in rear panel 28；Upper and lower adjacent two
Vertically-mounted two packaged decorations square tube 33 between the rectangular hollow steel A26 of block, bolt is solid between rectangular hollow steel A26 and decoration square tube 33
Fixed connection；The outer of shield door 3 is surround using rectangular hollow steel B29, rectangular hollow steel B29 and stainless steel front panel 25, back
It is bolted to connection between plate 28, decoration square tube 33.It is bolted and is equipped on the outside of the rectangular hollow steel B29 in right side
Channel steel 30,30 outside of channel steel, which is bolted, is equipped with pipe 37.As shown in Fig. 3 (b), 3 bottom of shield door is close to swivel bearing
Part II include plate B34, plate C35 and head plate 36, wherein plate 35, head plate 36 are mounted on the rectangular hollow of bottom
The right side of steel B29, plate 34 is mounted on the bottoms rectangular hollow steel B29 of bottom and bolt is fixed between the two, i.e. shield door
3 bottom outermosts are fixed with plate 34；The space of the rotation of shield door 3 is reserved with head plate 36, plate 35 is for filling other materials not
Reachable space.As shown in Fig. 1 (a), 1 (d), 3 upper right of shield door installs Buffer Unit C-C, and dress Buffer Unit includes six
Angle nut 8, plain washer 9, cylindrical compression spring 10, hexagon socket cap head screw 11 and bolster 12, wherein interior hexagonal cylindrical head
Screw 11 is used as axis, has screw thread, the circle of hexagon socket cap head screw 11 on the left of the socket cap of hexagon socket cap head screw 11
Locked and fixed is carried out using hex nut 8, plain washer 9 on the left of column cap, cylindrical compression spring 10 is inserted into hexagon socket cap head screw
In 11 shell and it is sleeved on outside the socket cap right end of hexagon socket cap head screw 11, the left end and buffering of cylindrical compression spring 10
The head contact of part 12, bolster 12 are inserted between the shell and socket cap of fillister head screw 11, bolster 12 and shell and circle
Be screwed connection between column cap.The top of the pipe 37 in the left side of shield door 3, lower part each by one group of expansion outer-hexagonal bolt 7,
Adjust pad 6 is fixedly connected with the upper and lower bearing block 5 of swivel bearing.As shown in Fig. 1 (a), 1 (f), 2 (a), 2 (b), shield door
The double tongues of 3 fire resistant doorsets lock 23 and run through 25, two blocks of stereotypes 24 of stainless steel front panel and rear panel 28.
As shown in Fig. 1 (a), 5 (a), 5 (b), 5 (c), fixed mask B4 include angle steel 38, stereotype A39, stereotype B 40, on
Mounting ear 41, rectangular hollow steel E47, rectangular hollow steel F48, stainless steel faceplate C51, stainless steel faceplate D52 and bottom plate B31, no
Become rusty steel facing C51, stainless steel faceplate D52 inside be embedded with stereotype A39 and stereotype B40 respectively, preceding top panel 42 is solid using bolt
It is scheduled at the top of stereotype A39, the difference in height of stereotype B40 and stereotype A39 is supplemented using preceding top panel 42；Preceding top panel 42 and stereotype
It is fixedly connected by upper mounting ear 41 between B40；Rectangular hollow steel 47 is equipped between stereotype A39 and stereotype B40, plate B40 is with before
Between top panel 42 be equipped with rectangular hollow steel F48, between stereotype A39 and stereotype B40 using rectangular hollow steel 47, stereotype B40 with
It uses rectangular hollow steel F48 to separate between preceding top panel 42 to reduce weight, passes through angle among stereotype A39 and rectangular hollow steel 47
Steel 38, bolt are fixedly connected, and stereotype A39,47 middle section of rectangular hollow steel carry out whole plasticity using angle steel 38 and fix.It is stainless
Steel facing C51, stainless steel faceplate D52 bottom be bolted on bottom plate B31, bottom plate B31 is solid by bolt and wall
It is fixed；The top G-G of fixed mask B4 is fixed by bolts and is reinforced using preceding top panel 42, upper mounting ear 41, upper mounting ear
41 are fixed by bolt and wall.When shield door 3 is closed, the double tongues of fire resistant doorsets of shield door 3 lock 23 and are inserted in fixed mask B4's
In the opening of rectangular hollow steel 47.
The material of the metals such as above-mentioned steel plate, hollow steel, bottom plate is all made of 06Cr19Ni10 stainless steel materials.
A kind of surrounding of nuclear power station radioactive waste reposiyory shield door entirety provided by the utility model is fixed by bolts to
There are holes on wall, on the right side of shield door installs the rotation that bearing is used for door for installing door lock, another side.
Stereotype：The method that stereotype uses embedded stainless steel plate, thickness can be designed, can effectively shield as needed
Ray.Stainless steel frame：For fixing stereotype, primary structural support.
Conveying track is placed at hole below fixed mask A1, and pail for used dressings is transported by this hole to waste vault.
As shown in Fig. 1 (a), when a kind of nuclear power station radioactive waste reposiyory shield door work provided by the utility model：It puts
Injectivity waste bucket passes through the hole rail transport entry/exit waste vault below fixed mask A1；When entering waste vault progress operation,
Key ON/OFF shield door need to be used；When door is opened, the design of door lock can not be closed on the inside of waste vault, prevent people lock to
In waste vault room.
As shown in Fig. 1 (a), installation is complete for a kind of nuclear power station radioactive waste reposiyory shield door provided by the utility model
Afterwards, carry out function, service check to it, no matter from shield effectiveness, structural intergrity or the convenience that switchs for, all receive
To expected effect, environmental dose is considerably reduced, reduces personnel's radioactive dose, improves the standard of pail for used dressings Nuclide measurement
True property.Shield door is simple and clear in design, be easily installed with subsequent maintenance, improve the aesthetics of work-yard.It will face
When shielding be changed to the thinking of fixed shielding and can be promoted and applied in nuclear power station or other radiation work environment.
The utility model is explained in detail above in conjunction with drawings and examples, but the utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of various changes can be made.The prior art may be used in the content not being described in detail in the utility model.
Claims (10)
1. a kind of nuclear power station radwaste temporary library shield door, it is characterised in that：The waste temporary library shield door includes fixing
Shield A (1), swivel bearing, the left side of shield door (3) and fixed mask B (4), fixed mask A (1), top, bottom and wall
Body is fixed, the lower part of fixed mask A (1) be provided with can make radwaste bucket by hole, the right side of fixed mask A (1)
It equipped with swivel bearing, fixes with wall at the top and bottom of swivel bearing, connects with shield door (3) left pivot movement on the right side of swivel bearing
It connects, the right side of shield door (3) is connect with fixed mask B (4), and fixed mask A (1) right side, top, bottom are fixed with wall.
2. a kind of nuclear power station radwaste temporary library shield door according to claim 1, it is characterised in that：Described consolidates
Surely shielding A (1) includes stainless steel faceplate A (43), stainless panel B (45), stereotype B (44) and rectangular hollow steel C (32), stainless steel
Stereotype B (44) is clipped between panel A (43) and stainless panel B (45), is clipped between stainless panel B 45 and stereotype B (44) several
A rectangular hollow steel C (32), several rectangular hollow steel C (32) uniform intervals are arranged in stainless panel B (45) and stereotype B (44)
Between.
3. a kind of nuclear power station radwaste temporary library shield door according to claim 2, it is characterised in that：It is described not
It is fixed with wall in the middle part of rust steel facing A (43), superposed rectangular hollow steel C (32) top and the rectangular sky positioned at lower part
The heart steel C (32) bottom is fixed with wall.
4. a kind of nuclear power station radwaste temporary library shield door according to claim 3, it is characterised in that：The rotation
Shaft, which is contracted, includes bearing block (5), interior expansion outer-hexagonal bolt (7), deep groove ball bearing A (14), circlip for hole (15), hexagonal
Hook bolt full thread (16), thrust ball bearing (18), deep groove ball bearing B (46), shaft (49) and bottom plate (50), on swivel bearing
Portion is fixed by interior expansion outer-hexagonal bolt (7) with wall, and bearing block (5), adjust pad 6, interior swollen is equipped at the top of shaft (49)
Swollen outer-hexagonal bolt (7), deep groove ball bearing A (14), circlip for hole (15), hexagon-headed bolt full thread (16), by it is interior to
It is equipped with hexagon-headed bolt full thread (16), circlip for hole (15), deep groove ball bearing A (14), outermost top successively outside
Bearing block (5) is fixed, and shaft (49) lower part is equipped with thrust ball bearing (18), deep groove ball bearing B (46) and bottom plate (50), thrust ball
Bearing (18) is located above deep groove ball bearing B (46), and deep groove ball bearing B (46) is located in lower bearing seat (5), shaft (49) bottom
Portion is located in thrust ball bearing (18) and deep groove ball bearing B (46), lower bearing seat (5) bottom connecting bottom board (50), bottom plate
(50) it is fixed with wall.
5. a kind of nuclear power station radwaste temporary library shield door according to claim 4, it is characterised in that：The screen
It includes the double tongue locks (23) of fire resistant doorsets, stereotype (24), stainless steel front panel (25), rectangular hollow steel A (26), plate A to cover door (3)
(27), rear panel (28), rectangular hollow steel B (29), decoration square tube (33), plate B (34), plate C (35), head plate (36), pipe
(37) and dress Buffer Unit, stainless steel front panel (25), rear panel (28) inside are respectively embedded with one piece of stereotype (24), two blocks of lead
It is separated with rectangular hollow steel A (26) among plate (24), rectangular hollow steel A (26) is clipped between upper and lower two boards A (27), top
Plate A (27) in the stainless steel front panel (25), the plate A (27) of lower part is in rear panel (28)；Adjacent two pieces above and below
Decoration square tube (33) is installed, shield door (3) outer is surround using rectangular hollow steel B (29) between rectangular hollow steel A (26)；It is right
Channel steel 30 is installed, 30 outside of channel steel is equipped with pipe (37) on the outside of side shape hollow steel B (29)；Shield door (3) bottom is close
The part of swivel bearing is equipped with plate B (34), plate C (35) and head plate (36), and plate C (35), head plate (36) are mounted on bottom
The right side of the rectangular hollow steel B (29) in portion, plate B (34) are mounted on rectangular hollow steel B (29) bottom of bottom；Shield door
(3) upper right is equipped with Buffer Unit；The top of pipe (37) on the left of shield door (3), the upper and lower axis of lower part and swivel bearing
Bearing (5) connects；The double tongue locks (23) of the fire resistant doorsets of shield door (3) run through stainless steel front panel (25), stereotype (24) and rear panel
(28)。
6. a kind of nuclear power station radwaste temporary library shield door according to claim 5, it is characterised in that：The screen
The Buffer Unit for covering door (3) includes hex nut (8), cylindrical compression spring (10), hexagon socket cap head screw (11) and buffering
Part (12) is equipped with hex nut (8) on the left of the socket cap of hexagon socket cap head screw (11), in cylindrical compression spring (10) is inserted into
It in the shell of hexagonal cylindrical head screw (11) and is sleeved on outside the socket cap right end of hexagon socket cap head screw (11), cylinder compression
The head contact of the left end and bolster (12) of spring (10), bolster (12) are inserted in the shell and cylinder of fillister head screw (11)
Between head.
7. a kind of nuclear power station radwaste temporary library shield door according to claim 6, it is characterised in that：Described consolidates
Surely shielding B (4) includes stereotype A (39), stereotype B (40), upper mounting ear (41), rectangular hollow steel E (47), rectangular hollow steel F
(48), stainless steel faceplate C (51), stainless steel faceplate D (52) and bottom plate B (31), stainless steel faceplate C (51), stainless steel faceplate D
(52) inside is embedded with stereotype A (39) and stereotype B (40) respectively, and preceding top panel (42) is fixed at the top of stereotype A (39), preceding above
It is connected by upper mounting ear (41) between plate (42) and stereotype B (40)；Rectangular sky is equipped between stereotype A (39) and stereotype B (40)
Heart steel E (47) is equipped with rectangular hollow steel F (48), stereotype A (39) and rectangular hollow steel E between plate B (40) and preceding top panel (42)
(47) angle steel (38) is equipped between；Stainless steel faceplate C (51), stainless steel faceplate D (52)；The double tongues of the fire resistant doorsets of shield door (3)
Lock (23) is inserted in the opening of rectangular hollow steel E (47) of fixed mask B (4).
8. a kind of nuclear power station radwaste temporary library shield door according to claim 7, it is characterised in that：The lead
Angle steel (38) is equipped between plate A (39) and rectangular hollow steel E (47).
9. a kind of nuclear power station radwaste temporary library shield door according to claim 8, it is characterised in that：Described consolidates
Surely shielding A (1) between left bottom and wall, between swivel bearing bottom and wall, (4) bottoms fixed mask B and wall it
Between be respectively provided with gasket.
10. a kind of nuclear power station radwaste temporary library shield door according to claim 9, it is characterised in that：Described
Interior expansion outer-hexagonal bolt (7) in swivel bearing is equipped with adjust pad (6) between wall.
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| CN201721520706.6U CN207863801U (en) | 2017-11-15 | 2017-11-15 | Nuclear power station radwaste temporary library shield door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729824A (en) * | 2017-11-15 | 2018-11-02 | 江苏核电有限公司 | Nuclear power station radwaste temporary library shield door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729824A (en) * | 2017-11-15 | 2018-11-02 | 江苏核电有限公司 | Nuclear power station radwaste temporary library shield door |
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