CN102689835A - Telescopic spent fuel storage tank hoisting guide device - Google Patents
Telescopic spent fuel storage tank hoisting guide device Download PDFInfo
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- CN102689835A CN102689835A CN2012101874140A CN201210187414A CN102689835A CN 102689835 A CN102689835 A CN 102689835A CN 2012101874140 A CN2012101874140 A CN 2012101874140A CN 201210187414 A CN201210187414 A CN 201210187414A CN 102689835 A CN102689835 A CN 102689835A
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- guiding rib
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- guide piece
- spentnuclear fuel
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Abstract
The invention relates to a telescopic spent fuel storage tank hoisting guide device which comprises a positioning annular plate (1), a top flange (2), an outer guide rib (5), an inner guide rib (7), a top reinforcing ring (3), a middle reinforcing ring (6) and a bottom reinforcing ring (9); the hoisting guide device also comprises a guide wheel assembly (8); the inner guide rib (7) is arranged inside the outer guide rib (5); and the guide wheel assembly (8) is arranged on the inner guide rib (7) and between the inner guide rib (7) and the outer guide rib (5). The telescopic spent fuel storage tank hoisting guide device can be used for hoisting guide and precise positioning of a spent fuel storage tank in a pebble-bed high temperature gas cooled reactor spent fuel storage system, so that the spent fuel storage tank can be hoisted into a shielding transferring container.
Description
Technical field
The present invention relates to the nuclear power plant reactor field of engineering technology, particularly a kind of telescoping spentnuclear fuel basin lifting guide piece.
Background technology
China is in the develop actively pressurized-water reactor nuclear power plant; Also at active development ball bed modular high temperature gas cooled reactor nuclear station; The high temperature nuclear reactor nuclear station be acknowledged as have the 4th generation the nuclear power principal character nuclear station, have inherently safe, prevent nuclear proliferation, can produce advantages such as high-temperature technology heat.
The shape of HTGR based on fuel element can be divided into two types; One type is the pebble bed high temperature reactor that adopts spheric fuel element; Another kind of is the column HTGR that adopts the prism-shaped fuel element, and equal disperse has coated fuel particle in spheric fuel element and the prism-shaped fuel element.The about 1mm of the diameter of coated fuel particle.Spheric fuel element is that the fuel pellet of some and matrix graphite are fully mixed, and is pressed into the graphite nodule of diameter 50mm, and then the act as a fuel shell of element of the pure graphite of parcel compacting one deck externally, and the fuel element external diameter that suppresses is 60mm.
Tsing-Hua University nuclear energy technology design and research institute on the technical foundation of the high temperature gas-cooled experimental reactor of 10MW, designed and developed can commercial application ball bed modular high temperature heap demonstration power station.The spherical spentnuclear fuel that pebble bed high temperature reactor is discharged needs to adopt suitable spentnuclear fuel basin to store, and need be stored in after basin is filled in the suitable intermediate storage facility.
The spentnuclear fuel basin can be designed to naked jar of thin-walled or heavy wall coffin; For cost-cutting; Can consider the spentnuclear fuel basin is designed to naked jar of thin-walled; In the transport process of spentnuclear fuel basin, need the spentnuclear fuel basin be put into the shielding transfer container with radiation shield function, transport with factory outer transfer the spentnuclear fuel basin being carried out in the factory.
The spentnuclear fuel basin is in hoisting process, and in order to reduce the radiation dose of operating personal, the lifting operation must Long-distance Control.In that being packed into, the spentnuclear fuel basin shields in the process of transfer container; Consider the accurate location and the reliability requirement of basin lifting operation; Need the spentnuclear fuel basin accurately to be lifted in the shielding transfer container, prevent its accident position that departs from objectives through spentnuclear fuel basin lifting guide piece.
And can not guarantee in the prior art that basin lifts the accurate location of operation and the lifting guide piece of reliability.
Summary of the invention
The technical matters that (one) will solve
The technical matters that the present invention will solve provides a kind of telescoping spentnuclear fuel basin lifting guide piece; The lifting guiding that can be used for spentnuclear fuel basin in the pebble bed high temperature reactor spent fuel storage system; Can guarantee the accurate location and the reliability of basin lifting operation, so that the spentnuclear fuel basin is lifted in the shielding transfer container.
(2) technical scheme
In order to solve the problems of the technologies described above, the present invention provides a kind of telescoping spentnuclear fuel basin lifting guide piece, and it comprises: location ring flat-plate 1, top flange 2, outer guiding rib 5, interior guiding rib 7, top ring stiffener 3, middle part ring stiffener 6 and bottom ring stiffener 9; This lifting guide piece also comprises guide wheel units 8, and interior guiding rib 7 is positioned at outer guiding rib 5, in guide wheel units 8 is arranged on the guiding rib 7, and interior guiding rib 7 and outside between the guiding rib 5.
Wherein, top flange 2 is through being bolted on the ring flat-plate 1 of location, and top ring stiffener 3 is weldingly fixed on the top flange 2, and the upper end of outer guiding rib 5 is weldingly fixed on the top ring stiffener 3, and the lower end of outer guiding rib 5 is weldingly fixed on the ring stiffener 6 of middle part.
Wherein, outer guiding rib 5 is an internal fastening type channel-section steel structure, has outer guiding rib groove 4, and it is used to hold interior guiding rib 7 towards the inboard of guide piece.
Wherein, the upper end of interior guiding rib 7 places in the outer guiding rib groove 4, and its underpart is weldingly fixed on the ring stiffener 9 of bottom.
Wherein, the bottom of interior guiding rib 7 is lower than bottom ring stiffener 9.
Wherein, interior guiding rib 7 is provided with a plurality of guide wheel units 8, and each guide wheel units 8 comprises track adjusting wheel roller bearing 15 and track adjusting wheel 16; Interior guiding rib 7 is the channel-section steel structure, and its groove is relative with outer guiding rib groove 4, and the sidewall of interior guiding rib 7 is provided with fixed orifice, is used to install track adjusting wheel roller bearing 15.
Wherein, All be fixed with track adjusting wheel 16 on each track adjusting wheel roller bearing 15, the outside of track adjusting wheel 16 is fitted on the outer guiding rib 5, has groove on the diapire of interior guiding rib 7; Expose from the groove on the diapire of interior guiding rib 7 inboard of track adjusting wheel 16, when the lifting basin, is fitted on the basin.
Wherein, offer guide groove 12 on the madial wall of outer guiding rib 5, the top of guide groove 12 is a guide groove upper limit 13, and the bottom is a guide groove lower limit 14.
Wherein, the two ends up and down of interior guiding rib 7 are provided with limit shaft 19, and the two ends of limit shaft 19 are stretched in the guide groove 12 of outer guiding rib 5.
Wherein, outer guiding rib 5 is provided with outside fix hole 17, and interior guiding rib 7 is provided with interior knock hole 18, is used for when interior guiding rib 7 is upwards packed up, and interior knock hole 18 overlaps with outside fix hole 17, and available fastener is with interior knock hole 18 and outside fix hole 17 fixed limits.
(3) beneficial effect
Telescoping spentnuclear fuel basin lifting guide piece provided by the invention; Can be used for the transhipment and accurate location of spentnuclear fuel basin in the pebble bed high temperature reactor spent fuel storage system; So that the spentnuclear fuel basin is transferred to the target location and it is carried out failure-free lifting operation, can the spentnuclear fuel basin be lifted in the shielding transfer container.And have the following advantages:
The lifting guide piece has telescopic function, the transport operation of convenient lifting guide piece, and length that can flexible expansion lifting guide piece;
Mode through guiding rib in adopting and outer guiding rib leads and locatees, and not only intensity is high, and has reduced weight of equipment, effectively reduces cost, and is convenient to transportation and operates;
Relative motion through adopting internal guiding rib of track adjusting wheel and outer guiding rib is led, and makes lifting guide piece flexibility and reliability when flexible operation, reduces to wear and tear, and prevents mechanical breakdown such as get stuck;
Through interior guiding rib being inserted shielding transfer container mode suitable for reading, can reliably the lifting guiding means supports shielded on the transfer container, prevent the unexpected operating mode of lifting guide piece unstability, improve the reliability of lifting operation;
Mode through knock hole is fixed on interior guiding rib on the outer guiding rib, can guarantee that lifting guide piece is in stabilized conditions, and the guiding rib accident skids off in preventing, jeopardizes the safety of operating personal;
Through the integrated design of parts such as external guiding rib, interior guiding rib, guide wheel units and a plurality of ring stiffeners, can realize each item function of spentnuclear fuel basin lifting guiding operation, satisfy the integrated requirement of nuclear station.
More than explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of specification sheets, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
The spentnuclear fuel basin that Fig. 1 provides for the embodiment of the invention lifts the front view of guide piece.
The spentnuclear fuel basin that Fig. 2 provides for the embodiment of the invention lifts the birds-eye view of guide piece.
Fig. 3 is the A-A cutaway view of the spentnuclear fuel basin lifting guide piece among Fig. 2.
The spentnuclear fuel basin that Fig. 4 provides for the embodiment of the invention lifts the 3-D view of guide piece.
Fig. 5 is the B-B cutaway view of the spentnuclear fuel basin lifting guide piece among Fig. 3.
Fig. 6 is the C-C cutaway view of the spentnuclear fuel basin lifting guide piece among Fig. 3.
Fig. 7 is the partial enlarged drawing at the I place of the spentnuclear fuel basin lifting guide piece among Fig. 5.
Fig. 8 is the partial enlarged drawing at the II place of the spentnuclear fuel basin lifting guide piece among Fig. 6.
Wherein: 1-locatees ring flat-plate; 2-top flange; 3-top ring stiffener; The outer guiding rib groove of 4-; The outer guiding rib of 5-; 6-middle part ring stiffener; Guiding rib in the 7-; The 8-guide wheel units; 9-bottom ring stiffener; The 10-upper opening of container; 11-shields transfer container; The 12-guide groove; 13-guide groove upper limit; 14-guide groove lower limit; 15-track adjusting wheel roller bearing; The 16-track adjusting wheel; 17-outside fix hole; Knock hole in the 18-; The 19-limit shaft; 20-spentnuclear fuel basin; 21-basin suspender; 22-lifts steel rope.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
In description of the invention; Need to prove; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be captive joint, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can particular case understand above-mentioned term concrete implication in the present invention.
In addition, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
The spentnuclear fuel basin lifting guide piece of present embodiment such as Fig. 1～shown in Figure 8.This spentnuclear fuel basin lifting guide piece mainly comprises: location ring flat-plate 1, outer guiding rib 5, interior guiding rib 7, guide wheel units 8 and a plurality of ring stiffener.In the present embodiment, said a plurality of ring stiffener is respectively top ring stiffener 3, middle part ring stiffener 6, bottom ring stiffener 9.Certainly, the middle part ring stiffener is not limited to one, according to actual needs, plural middle part ring stiffener can be set.
Like Fig. 1,3, shown in 4, location ring flat-plate 1 is used for spentnuclear fuel basin lifting guide piece is positioned at the hole for hoist in cabin, guarantees the structural stability of lifting guide piece.Top flange 2 is through being bolted on the ring flat-plate 1 of location; Top ring stiffener 3 is weldingly fixed on the top flange 2; The upper end of outer guiding rib 5 is weldingly fixed on the top ring stiffener 3, and the lower end of outer guiding rib 5 is weldingly fixed on the ring stiffener 6 of middle part, constitutes the first half of lifting guide piece.Outer guiding rib 5 is an internal fastening type channel-section steel structure, and the groove of channel-section steel is outer guiding rib groove 4, and it is towards the inboard of guide piece, and guiding rib 7 in being used to hold is as the track of interior guiding rib 7 up-and-down movements.
Interior guiding rib 7 places in the outer guiding rib groove 4, and the upper end of interior guiding rib 7 places in the outer guiding rib groove 4 all the time, can not deviate from, and its lower end is weldingly fixed on the ring stiffener 9 of bottom, and interior guiding rib 7 constitutes the latter half that lifts guide piece with bottom ring stiffener 9.The bottom of interior guiding rib 7 is lower than bottom ring stiffener 9, can insert the upper opening of container 10 of shielding transfer container 11, guarantees the location of spentnuclear fuel basin lifting guide piece lower end.
Interior guiding rib 7 also is the channel-section steel structure, and its groove is relative with the outer guiding rib groove 4 of outer guiding rib 5, and guiding rib 7 integral body are positioned at outer guiding rib groove 4 in making.
Interior guiding rib 7 is provided with a plurality of guide wheel units 8, and guide wheel units 8 comprises track adjusting wheel roller bearing 15 and track adjusting wheel 16.The sidewall of interior guiding rib 7 is provided with fixed orifice, is used to install track adjusting wheel roller bearing 15; All be fixed with track adjusting wheel 16 on each track adjusting wheel roller bearing 15; Have groove on the diapire of interior guiding rib 7; The outside of track adjusting wheel 16 is fitted on the outer guiding rib 5; Inboard groove from the diapire of interior guiding rib 7 exposes (as shown in Figure 8), can when the lifting basin, be fitted on the basin, for basin provides support and leads.
As shown in Figure 7, the two ends up and down of interior guiding rib 7 are provided with limit shaft 19, and limit shaft 19 is longer than track adjusting wheel roller bearing 15, and the guide groove 12 on the outer guiding rib 5 is stretched at the two ends of limit shaft 19, are used for high-low limit position spacing of internal guiding rib 7 up-and-down movements.
Outer guiding rib 5 is provided with outside fix hole 17; Interior guiding rib 7 is provided with interior knock hole 18; Be used for when interior guiding rib 7 is upwards packed up; Interior knock hole 18 overlaps with outside fix hole 17, and available fastener (like bolt, steel wire etc.) is with interior knock hole 18 and outside fix hole 17 fixed limits, guiding rib 7 unexpected landings in preventing.
Hauling rope is fixed on the ring stiffener 9 of bottom, the lifting that guiding rib 7 falls and regains in being used for.
The operating process of this telescoping spentnuclear fuel basin lifting guide piece is following:
(1) will lift guide piece and open, be used for basin lifting guiding:
Spentnuclear fuel basin lifting guide piece location ring flat-plate 1 is positioned on the hole for hoist in cabin, guarantees the structural stability of lifting guide piece;
Open the fastener in fixing interior knock hole 18 and outside fix hole 17; Bottom ring stiffener 9 and interior guiding rib 7 are under the draw of hauling rope; Along the slowly landing downwards of outer guiding rib 5,, make bottom ring stiffener 9 arrive the lower position vertically downward with interior guiding rib 7 through the rolling guiding of track adjusting wheel 16; Insert in the upper opening of container 10 of shielding transfer container 11 bottom of guiding rib 7 in making, and guarantees the location of spentnuclear fuel basin lifting guide piece lower end.
(2) will lift guide piece regains from the shielding transfer container:
On carry hauling rope, bottom ring stiffener 9 and interior guiding rib 7 are upwards slowly packed up along outer guiding rib 5 carrying on the hauling rope under the effect; Rolling guiding through track adjusting wheel 16; Guiding rib 7 is thrown off from the upper opening of container 10 of shielding transfer container 11 in making, and arrives upper limit position vertically upward, and the interior knock hole 18 in making on the guiding rib 7 overlaps with the outside fix hole 17 on the outer guiding rib 5; With fastener that interior knock hole 18 is fixing with outside fix hole 17, guiding rib 7 unexpected landings in preventing.
(3) regain the lifting guide piece:
The location ring flat-plate 1 of spentnuclear fuel basin lifting guide piece is thrown off from the hole for hoist in cabin, regain from the shielding transfer container fully thereby will lift guide piece.
Telescoping spentnuclear fuel basin lifting guide piece provided by the present invention; Can realize the lifting guiding and accurate location of spentnuclear fuel basin; This lifting guide piece is through suitably revising; Can be used for lifting and locating the spentnuclear fuel basin in pressurized-water reactor nuclear power plant and other types of nuclear power station, also can be applicable to equipment hoisting and accurate location under all kinds of operating modes of general industry.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and replacement, these improvement and replacement also should be regarded as protection scope of the present invention.
Claims (10)
1. a telescoping spentnuclear fuel basin lifts guide piece; It comprises: location ring flat-plate (1), top flange (2), outer guiding rib (5), interior guiding rib (7), top ring stiffener (3), middle part ring stiffener (6) and bottom ring stiffener (9); It is characterized in that this lifting guide piece also comprises guide wheel units (8), interior guiding rib (7) is positioned at outer guiding rib (5); Guide wheel units (8) is arranged on the interior guiding rib (7), and is positioned between guiding rib (7) and the outer guiding rib (5).
2. telescoping spentnuclear fuel basin lifting guide piece according to claim 1; It is characterized in that; Top flange (2) is through being bolted on the location ring flat-plate (1); Top ring stiffener (3) is weldingly fixed on the top flange (2), and the upper end of outer guiding rib (5) is weldingly fixed on the top ring stiffener (3), and the lower end of outer guiding rib (5) is weldingly fixed on the middle part ring stiffener (6).
3. telescoping spentnuclear fuel basin lifting guide piece according to claim 2 is characterized in that outer guiding rib (5) is an internal fastening type channel-section steel structure, has outer guiding rib groove (4), and it is used to hold interior guiding rib (7) towards the inboard of guide piece.
4. telescoping spentnuclear fuel basin lifting guide piece according to claim 3 is characterized in that the upper end of interior guiding rib (7) places in the outer guiding rib groove (4), and its underpart is weldingly fixed on the bottom ring stiffener (9).
5. telescoping spentnuclear fuel basin lifting guide piece according to claim 4 is characterized in that the bottom of interior guiding rib (7) is lower than bottom ring stiffener (9).
6. according to claim 3 or 4 described telescoping spentnuclear fuel basin lifting guide piecees, it is characterized in that interior guiding rib (7) is provided with a plurality of guide wheel units (8), each guide wheel units (8) comprises track adjusting wheel roller bearing (15) and track adjusting wheel (16); Interior guiding rib (7) is the channel-section steel structure, and its groove is relative with outer guiding rib groove (4), and the sidewall of interior guiding rib (7) is provided with fixed orifice, is used to install track adjusting wheel roller bearing (15).
7. telescoping spentnuclear fuel basin lifting guide piece according to claim 6; It is characterized in that; All be fixed with track adjusting wheel (16) on each track adjusting wheel roller bearing (15), the outside of track adjusting wheel (16) is fitted on the outer guiding rib (5), has groove on the diapire of interior guiding rib (7); Expose from the groove on the diapire of interior guiding rib (7) inboard of track adjusting wheel (16), when the lifting basin, is fitted on the basin.
8. according to each described telescoping spentnuclear fuel basin lifting guide piece of claim 1-5; It is characterized in that; Offer guide groove (12) on the madial wall of outer guiding rib (5), the top of guide groove (12) is guide groove upper limit (13), and the bottom is guide groove lower limit (14).
9. telescoping spentnuclear fuel basin lifting guide piece according to claim 8 is characterized in that the two ends up and down of interior guiding rib (7) are provided with limit shaft (19), and the two ends of limit shaft (19) are stretched in the guide groove (12) of outer guiding rib (5).
10. according to each described telescoping spentnuclear fuel basin lifting guide piece of claim 1-5; It is characterized in that; Outer guiding rib (5) is provided with outside fix hole (17), and interior guiding rib (7) is provided with interior knock hole (18), is used at interior guiding rib (7) when upwards packing up; Interior knock hole (18) overlaps with outside fix hole (17), and available fastener is with interior knock hole (18) and outside fix hole (17) fixed limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210187414.0A CN102689835B (en) | 2012-06-07 | 2012-06-07 | Telescopic spent fuel storage tank hoisting guide device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187414.0A CN102689835B (en) | 2012-06-07 | 2012-06-07 | Telescopic spent fuel storage tank hoisting guide device |
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| CN102689835A true CN102689835A (en) | 2012-09-26 |
| CN102689835B CN102689835B (en) | 2015-04-15 |
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| CN201210187414.0A Active CN102689835B (en) | 2012-06-07 | 2012-06-07 | Telescopic spent fuel storage tank hoisting guide device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557625A (en) * | 2017-12-27 | 2018-09-21 | 太原重工股份有限公司 | It is oriented to capture apparatus |
| CN108597633A (en) * | 2018-04-27 | 2018-09-28 | 清华大学 | The shielding conveyer method and equipment of spentnuclear fuel |
| CN108750945A (en) * | 2018-08-03 | 2018-11-06 | 黄石市中城自动化科技有限公司 | A kind of flexible stabilizing mechanism of elevator |
| CN113818416A (en) * | 2021-07-13 | 2021-12-21 | 海洋石油工程股份有限公司 | Accurate hoist and mount butt joint auxiliary device suitable for heavy-calibre thin wall cylinder structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108750945A (en) * | 2018-08-03 | 2018-11-06 | 黄石市中城自动化科技有限公司 | A kind of flexible stabilizing mechanism of elevator |
| CN113818416A (en) * | 2021-07-13 | 2021-12-21 | 海洋石油工程股份有限公司 | Accurate hoist and mount butt joint auxiliary device suitable for heavy-calibre thin wall cylinder structure |
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| CN102689835B (en) | 2015-04-15 |
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Effective date of registration: 20210115 Address after: 100193 building 26, Zhongguancun Software Park, 8 Dongbeiwang West Road, Haidian District, Beijing Patentee after: CHINERGY Co.,Ltd. Address before: 100084 mailbox, 100084-82 Tsinghua Yuan, Beijing, Haidian District, Beijing Patentee before: TSINGHUA University |
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