CN202534370U - Adjustable penetrating piece in radioactive environment - Google Patents
Adjustable penetrating piece in radioactive environment Download PDFInfo
- Publication number
- CN202534370U CN202534370U CN2012201011599U CN201220101159U CN202534370U CN 202534370 U CN202534370 U CN 202534370U CN 2012201011599 U CN2012201011599 U CN 2012201011599U CN 201220101159 U CN201220101159 U CN 201220101159U CN 202534370 U CN202534370 U CN 202534370U
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- sleeve
- end cap
- hot cell
- bearing
- buried pipe
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Abstract
The utility model relates to an adjustable penetrating piece in a radioactive environment. The adjustable penetrating piece comprises an embedded pipe (6) arranged in a hot chamber protective wall and a drive penetrating assembly arranged in the embedded pipe (6). The drive penetrating assembly comprises a sleeve (7), a drive shaft (1) arranged in the sleeve (7), and a bearing supporting the drive shaft (1). Two ends of the sleeve (7) are respectively provided with an end cover, adjusting washers are arranged between the end covers and the bearing. The embedded pipe (6), the sleeve (7) and the drive shaft (1) are all provided with stairs along the axis directions. According to the adjustable penetrating piece, movement power outside a hot chamber can be transmitted to the inside of the hot chamber, the penetrating piece is strong in reliability after installation and is easy to disassemble and assemble in failure, and when necessary, the axis direction of the drive shaft can be conveniently adjusted to eliminate the civil error generated in pouring.
Description
Technical field
The utility model belongs to the power transmission technical field, is specifically related to the adjustable penetration piece under a kind of radioactive environment.
Background technology
The hot cell is the shielded cubicle that carries out high radioactivity test and operation, and because of its inside is radioactive environment, it is isolated with surrounding environment, and inwall use the stainless steel flush coat, and the exterior wall xoncrete structure of attaching most importance to is to protect gamma activity.Be arranged in the inner power-sports equipment in hot cell and often need power-motion of external prime mover be introduced innerly, penetration piece is the important device of working machine in prime mover and the hot cell outside the connection hot cell.
If prime mover is arranged in the hot cell, because radioactive existence, prime mover life-span can be very short, and contaminated easily, increased the intensity of aspects such as maintenance, decommissioning, so often be arranged in prime mover outside the hot cell.Prime mover is arranged in outside the hot cell; Can simplify the structure of running part in the related system hot cell; Prime mover back easy access of breaking down, however this layout has but been brought the protection of the inside and outside sealing in hot cell, ray and the problem of system architecture error aspect when installing.Therefore, connect the inside and outside penetration piece device in hot cell and must satisfy the requirement that radiation protection, radiomaterial do not leak.
Usually, penetration piece is cast in the concrete protection wall in hot cell, but cast the time often has the civil engineering error, when error is big, can influence the correct installation of equipment and the normal operation of equipment.In order to eliminate the influence that the civil engineering error is brought, must consider to eliminate the function of civil engineering error during the design penetration piece.
The utility model content
To the defective that exists in the prior art; The purpose of the utility model provides the adjustable penetration piece under a kind of radioactive environment; Adopt motion-transmission of power that this penetration piece can be outside with the hot cell to inside, hot cell; And this penetration piece is installed back good reliability, is easy to dismounting, the civil engineering error that the axial location that can regulate transmission shaft in case of necessity easily produces when eliminating cast.
For reaching above purpose; The technical scheme that the utility model adopts is: the adjustable penetration piece under a kind of radioactive environment; Comprise that the pre-buried pipe that is located in the fender wall of hot cell and the transmission that is located in the pre-buried pipe run through assembly, transmission runs through assembly and comprises sleeve, is located at transmission shaft and the bearing of supporting shaft in the sleeve, and the two ends of sleeve are respectively equipped with end cap; Be provided with the adjustment packing ring between end cap and the bearing, and pre-buried pipe, sleeve and transmission shaft are equipped with step vertically.
Further; Bearing is divided into outboard bearing and inboard bearing; Transmission shaft is installed in the outboard bearing away from an end in hot cell; End near the hot cell is installed in the inboard bearing, and transmission shaft away from the internal diameter of an end in hot cell greater than its internal diameter near an end in hot cell, the internal diameter of outboard bearing is greater than the internal diameter of inboard bearing.
Further, the end cap that is located at the sleeve two ends is divided into outside end cap and inboard end cap; Outside end cap is sleeved on transmission shaft through center pit provided thereon and closely links together away from the end in hot cell and the end through studs and supporting nut and sleeve and pre-buried pipe, and inboard end cap is sleeved on transmission shaft through center pit provided thereon and closely links together near the end in hot cell and the end through single head double-screw bolt and sleeve.
Further again; Pre-buried pipe is provided with flange away from an end in hot cell, and the same side of sleeve also is provided with flange, and flange is provided with screw; Studs passes the screw that is located at outside end cap edge and is screwed in the screw of sleeve and pre-buried pipe, and pre-buried pipe is provided with flange near the end in hot cell; Sleeve is provided with screw near the end in hot cell, and the single head double-screw bolt passes the screw that is located at inboard end cap edge and is screwed in the screw of sleeve.
Further, be provided with felt collar and lubricating cup in the end cap of the outside, the center of felt collar is provided with the through hole that supplies transmission shaft to run through.
Further, be provided with O-ring seal in the inboard end cap, the center of O-ring seal is provided with the through hole that supplies transmission shaft to run through.
Further, be provided with liner between outside end cap, inboard end cap and the sleeve and between sleeve and the pre-buried pipe, the pad centers place is provided with circular hole.
Further, the step that is located on pre-buried pipe and the sleeve is positioned on the inside and outside wall separately.
The beneficial effect of the utility model is:
The first, the adjustable penetration piece that provides of the utility model can carry out dismounting very easily when prime mover breaks down with the motion-transmission of power outside the hot cell in the hot cell; And owing to be designed to pre-buried pipe-sleeve-transmission shaft three layers structure, when penetration piece or inner body break down, can overhaul replacing expediently.
The second, the utility model has been set up the adjustment packing ring of some different-thickness between end cap and bearing; Can carry out the adjusting in the certain limit to the axial location of transmission shaft during installation, and then eliminate the adverse influence that installation brought to equipment when the civil engineering cast brought error.
Three, in the penetration piece structure that the utility model provides; Pre-buried pipe, sleeve, transmission shaft are provided with step vertically; Its effect is: prevent that 1) ray from axially causing the radiation protection effect to descend because of somewhere thickness is not enough when the external radiation through the straight-through seam between each part, the quantity of step and the height of step are confirmed according to relative source positions of penetration piece and source item activity; 2) concerning pre-buried pipe, outside step also plays axial barrier effect, prevents that pre-buried pipe from producing axial displacement under the effect of other external force.
Description of drawings
Fig. 1 is the structure cut-open view of the adjustable penetration piece that provides of the utility model;
Fig. 2 is that the A of Fig. 1 is to synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Adjustable penetration piece under a kind of radioactive environment that the utility model provided; Comprise that the pre-buried pipe that is located in the fender wall of hot cell and the transmission that is located in the pre-buried pipe run through assembly; Transmission runs through assembly and comprises sleeve 7, is located at transmission shaft 1 and the bearing of supporting shaft 1 in the sleeve 7; The two ends of sleeve 7 are respectively equipped with end cap, be provided with adjustment packing ring 9 between end cap and the bearing, and pre-buried pipe 6, sleeve 7 and transmission shaft 1 are equipped with step vertically.
As shown in Figure 1, the end that transmission shaft 1 is positioned at the outside, hot cell is used to connect prime mover, and its type of attachment is that key connects, and is positioned at inboard end, hot cell and is used to connect working machine or middle transmission reversing arrangement, and its type of attachment is that pin connects axle head pin-and-hole one well matched work.The bearing of transmission shaft 1 is divided into outboard bearing 5 and inboard bearing 8, and transmission shaft 1 is installed in the outboard bearing 5 away from an end in hot cell, is installed in the inboard bearing 8 near the end in hot cell, and connects outboard bearing 5 and be installed on together in the sleeve 7 with inboard bearing 8.Because transmission shaft 1 is provided with step vertically, thus transmission shaft 1 away from the internal diameter of an end in hot cell greater than its internal diameter near an end in hot cell, correspondingly, the internal diameter of outboard bearing 5 is greater than the internal diameter of inboard bearing 8.The two ends of transmission shaft 1 have various structure, to adapt to the different type of attachment of working machine in prime mover outside the hot cell, the hot cell.The utility model when penetration piece breaks down, can overhaul replacing through the three layers structure of the pre-buried pipe of design 6, sleeve 7 and transmission shaft 1 fast with its dismounting.
In the utility model; The adjustment packing ring 9 that is located between end cap and the bearing plays the effect of regulating transmission shaft 1 axial location; The adjustment packing ring 9 of some different-thickness places between end cap and the bearing; Through the quantity of increase and decrease two ends adjusting washer (disk) 9, thus the adjusting of realization transmission shaft 1 axial location, the error that produces during with the elimination deposit concrete.Adjustment packing ring 9 can use together also and can use separately.
In addition; The end cap that is located at sleeve 7 two ends is divided into outside end cap 2 and inboard end cap 11; Be provided with the felt collar 3 that can block dust in the end cap 2 of the outside; The center of felt collar 3 is provided with the through hole that supplies transmission shaft 1 to run through, and is as shown in Figure 2 in addition, also is provided with the lubricating cup 12 that can in bearing, carry railway grease in the outside end cap 2; Be provided with the O-ring seal 10 that adopts elastomeric material to process in the inboard end cap 11, its center also is provided with the through hole that supplies transmission shaft 1 to run through.Outside end cap 2 is sleeved on transmission shaft 1 through center pit provided thereon and closely links together away from the end in hot cell and through studs 13 and the end of supporting nut with sleeve 7 and pre-buried pipe 6, and inboard end cap 11 is sleeved on transmission shaft 1 through center pit provided thereon and closely links together near the end in hot cell and the end through single head double-screw bolt 14 and sleeve 7.
Under the preferable case; Pre-buried pipe 6 is provided with flange away from an end in hot cell; The same side of sleeve 7 also is provided with flange, and flange is provided with screw, and studs 13 passes the screw that is located at outside end cap 2 edges and is screwed in the screw of sleeve 7 and pre-buried pipe 6; And pre-buried pipe 6 is provided with flange near the end in hot cell, can be used for the hot cell in steel flush coat welding; Sleeve 7 is provided with screw near the end in hot cell, and single head double-screw bolt 14 passes the screw that is located at inboard end cap 2 edges and is screwed in the screw of sleeve 7.
In addition, be provided with liner 4 between outside end cap 2, inboard end cap 11 and the sleeve 7 and between sleeve 7 and the pre-buried pipe 6, its effect is: a) tight a bolt, during nut, adjust the gap between each part; B) sealing prevents that the inner radioaerosol in hot cell from escaping into outside the hot cell through the gap between each part.
In the utility model, the step that is located on pre-buried pipe 6 and the sleeve 7 is positioned on the inside and outside wall separately, so that strengthen the radiation protection effect, the step that wherein is located on pre-buried pipe 6 outer walls can prevent that also its stressed back generation is axially displaced, plays positioning action.
The following adjustable penetration piece installation method under a kind of radioactive environment of providing of summary the utility model.
During installation, in advance pre-buried pipe 6 is cast in the concrete walls, becomes fixture, studs 13 is screwed in the screw of flange of pre-buried pipe 6; Cooperating between transmission shaft 1, outboard bearing 5, sleeve 7, the inboard bearing 8 formation assembly that is assembled together, bearing and transmission shaft 1, between bearing and the sleeve 7 is interference fit; This moment, on studs 13, with the assembly pre-buried pipe 6 of packing into, sleeve 7 was combined together with pre-buried pipe 6, plays circumferential positioning action then with the circle hole sleeve of liner 4 through being located at its center; To adjust again on the outer wall that packing ring 9 is set in outboard bearing 5 and inboard bearing 8 and in the sleeve 7 of further packing into, end cap will be installed afterwards.Install before the end cap, guarantee that felt collar 3, lubricating cup 12 have been packed in the end cap 2 of the outside and O-ring seal 10 has been packed in the inboard end cap 11, cooperating between outside end cap 2 and the lubricating cup 12 is interference fit; Tighten the inboard bolt of hot cell nut outside, hot cell at last, the liner of fitting with end cap 4 is air tight to be appropriate degree.
If be connected with error between transmission shaft 1 and the working machine, can the end cap at penetration piece two ends be pulled down, increase and decrease suitable adjustment packing ring 9 till eliminate error, again end cap is tightened and got final product.Operation a period of time, if the railway grease at bearing place lacks, it is dumb to cause bearing to rotate, and can refill railway grease through lubricating cup 12.
The said structure of the utility model is not limited to the embodiment described in the embodiment, and the utility model also can be implemented with other ad hoc fashion or other particular form, and does not depart from the main idea or the essential characteristic of the utility model.Therefore, the embodiment of description all should be regarded as illustrative from any aspect but not be determinate.The scope of the utility model should be by additional claim explanation, and any intention and equivalent variation of scope with claim also should be included in the scope of the utility model.
Claims (8)
1. the adjustable penetration piece under the radioactive environment; Comprise that pre-buried pipe (6) that is located in the fender wall of hot cell and the transmission that is located in the pre-buried pipe (6) run through assembly; Transmission runs through assembly and comprises sleeve (7), is located at transmission shaft (1) and the bearing of supporting shaft (1) in the sleeve (7), it is characterized in that the two ends of sleeve (7) are respectively equipped with end cap; Be provided with adjustment packing ring (9) between end cap and the bearing, and pre-buried pipe (6), sleeve (7) and transmission shaft (1) are equipped with step vertically.
2. the adjustable penetration piece under a kind of radioactive environment according to claim 1; It is characterized in that; Bearing is divided into outboard bearing (5) and inboard bearing (8), and transmission shaft (1) is installed in the outboard bearing (5) away from an end in hot cell, is installed in the inboard bearing (8) near the end in hot cell; And greater than its internal diameter near an end in hot cell, the internal diameter of outboard bearing (5) is greater than the internal diameter of inboard bearing (8) away from the internal diameter of an end in hot cell for transmission shaft (1).
3. the adjustable penetration piece under a kind of radioactive environment according to claim 1 and 2 is characterized in that, the end cap that is located at sleeve (7) two ends is divided into outside end cap (2) and inboard end cap (11); Outside end cap (2) is sleeved on transmission shaft (1) through center pit provided thereon and closely links together away from the end in hot cell and the end through studs (13) and supporting nut and sleeve (7) and pre-buried pipe (6), and inboard end cap (11) is sleeved on transmission shaft (1) through center pit provided thereon and also closely links together through the end of single head double-screw bolt (14) and sleeve (7) near the end in hot cell.
4. the adjustable penetration piece under a kind of radioactive environment according to claim 3; It is characterized in that; Pre-buried pipe (6) is provided with flange away from an end in hot cell, and the same side of sleeve (7) also is provided with flange, and flange is provided with screw; Studs (13) passes the screw that is located at outside end cap (2) edge and is screwed in the screw of sleeve (7) and pre-buried pipe (6), and pre-buried pipe (6) is provided with flange near the end in hot cell; Sleeve (7) is provided with screw near the end of an end in hot cell, and single head double-screw bolt (14) passes the screw that is located at inboard end cap (2) edge and is screwed in the screw of sleeve (7).
5. the adjustable penetration piece under a kind of radioactive environment according to claim 4 is characterized in that, is provided with felt collar (3) and lubricating cup (12) in the outside end cap (2), and the center of felt collar (3) is provided with the through hole that supplies transmission shaft (1) to run through.
6. according to the adjustable penetration piece under claim 4 or the 5 described a kind of radioactive environments, it is characterized in that, be provided with O-ring seal (10) in the inboard end cap (11), the center of O-ring seal (10) is provided with the through hole that supplies transmission shaft (1) to run through.
7. according to the adjustable penetration piece under claim 4 or the 5 described a kind of radioactive environments; It is characterized in that; Between outside end cap (2), inboard end cap (11) and the sleeve (7) and be provided with liner (4) between sleeve (7) and the pre-buried pipe (6), liner (4) center is provided with circular hole.
8. the adjustable penetration piece under a kind of radioactive environment according to claim 1 is characterized in that, the step that is located on pre-buried pipe (6) and the sleeve (7) is positioned on the inside and outside wall separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201011599U CN202534370U (en) | 2012-03-16 | 2012-03-16 | Adjustable penetrating piece in radioactive environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201011599U CN202534370U (en) | 2012-03-16 | 2012-03-16 | Adjustable penetrating piece in radioactive environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202534370U true CN202534370U (en) | 2012-11-14 |
Family
ID=47135534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201011599U Expired - Fee Related CN202534370U (en) | 2012-03-16 | 2012-03-16 | Adjustable penetrating piece in radioactive environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202534370U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183281A (en) * | 2014-08-15 | 2014-12-03 | 江苏华光电缆电器有限公司 | Optical cable electrical penetration assembly and machining method thereof |
| CN107110797A (en) * | 2014-08-13 | 2017-08-29 | 尼康计量公众有限公司 | X x-ray apparatus |
| CN107600475A (en) * | 2017-08-15 | 2018-01-19 | 中国核电工程有限公司 | It is a kind of to take lid closure system for radwaste bucket |
| CN108639950A (en) * | 2018-05-22 | 2018-10-12 | 中国核电工程有限公司 | A kind of cell crane structure |
| CN108657963A (en) * | 2018-05-22 | 2018-10-16 | 中国核电工程有限公司 | A kind of rotating mechanism through walls and the cell crane structure using the rotating mechanism through walls |
| CN108974811A (en) * | 2018-07-18 | 2018-12-11 | 中国核电工程有限公司 | A kind of α waste transfer device in hot cell and maintenance section |
| CN111276269A (en) * | 2020-03-16 | 2020-06-12 | 上海交通大学 | Device and method for verifying aerosol retention efficiency of narrow slit of penetrating piece |
| CN111692336A (en) * | 2020-06-22 | 2020-09-22 | 中国核动力研究设计院 | Magnetic fluid seal rotating shaft penetrating device |
| CN114135648A (en) * | 2021-11-09 | 2022-03-04 | 中国核电工程有限公司 | Sealing power penetration assembly, sealing power penetration structure and construction method thereof |
-
2012
- 2012-03-16 CN CN2012201011599U patent/CN202534370U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110797A (en) * | 2014-08-13 | 2017-08-29 | 尼康计量公众有限公司 | X x-ray apparatus |
| CN104183281A (en) * | 2014-08-15 | 2014-12-03 | 江苏华光电缆电器有限公司 | Optical cable electrical penetration assembly and machining method thereof |
| CN104183281B (en) * | 2014-08-15 | 2018-09-21 | 江苏华光电缆电器有限公司 | Optical cable electrical penetration and its processing method |
| CN107600475A (en) * | 2017-08-15 | 2018-01-19 | 中国核电工程有限公司 | It is a kind of to take lid closure system for radwaste bucket |
| CN108639950A (en) * | 2018-05-22 | 2018-10-12 | 中国核电工程有限公司 | A kind of cell crane structure |
| CN108657963A (en) * | 2018-05-22 | 2018-10-16 | 中国核电工程有限公司 | A kind of rotating mechanism through walls and the cell crane structure using the rotating mechanism through walls |
| CN108974811A (en) * | 2018-07-18 | 2018-12-11 | 中国核电工程有限公司 | A kind of α waste transfer device in hot cell and maintenance section |
| CN111276269A (en) * | 2020-03-16 | 2020-06-12 | 上海交通大学 | Device and method for verifying aerosol retention efficiency of narrow slit of penetrating piece |
| CN111692336A (en) * | 2020-06-22 | 2020-09-22 | 中国核动力研究设计院 | Magnetic fluid seal rotating shaft penetrating device |
| CN114135648A (en) * | 2021-11-09 | 2022-03-04 | 中国核电工程有限公司 | Sealing power penetration assembly, sealing power penetration structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20210316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |