CN208488985U - The underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation lifts - Google Patents

The underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation lifts Download PDF

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Publication number
CN208488985U
CN208488985U CN201820768904.2U CN201820768904U CN208488985U CN 208488985 U CN208488985 U CN 208488985U CN 201820768904 U CN201820768904 U CN 201820768904U CN 208488985 U CN208488985 U CN 208488985U
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CN
China
Prior art keywords
groove portion
limit groove
underwater
lifts
screen work
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Active
Application number
CN201820768904.2U
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Chinese (zh)
Inventor
郑超雄
刘省勇
许国兵
张士朋
李俊
张文利
林杰东
陈军琦
李琪
袁亮
肖伟
秦强
郭振武
孙新峰
陈秋炀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China General Nuclear Power Corp
CGN Power Co Ltd
Daya Bay Nuclear Power Operations and Management Co Ltd
Guangdong Nuclear Power Joint Venture Co Ltd
Suzhou Nuclear Power Research Institute Co Ltd
Original Assignee
China General Nuclear Power Corp
CGN Power Co Ltd
Daya Bay Nuclear Power Operations and Management Co Ltd
Guangdong Nuclear Power Joint Venture Co Ltd
Suzhou Nuclear Power Research Institute Co Ltd
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Publication date
Application filed by China General Nuclear Power Corp, CGN Power Co Ltd, Daya Bay Nuclear Power Operations and Management Co Ltd, Guangdong Nuclear Power Joint Venture Co Ltd, Suzhou Nuclear Power Research Institute Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN201820768904.2U priority Critical patent/CN208488985U/en
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Publication of CN208488985U publication Critical patent/CN208488985U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The utility model belongs to the technical field at million kilowatt nuclear power station, more particularly to the underwater tripper that a kind of highly dense screen work of Spent Fuel Pool dilatation lifts, including sliding slot pipe, conduit, elastic component, connecting rod, multiple grappling fixtures and push rod, the lower end of connecting rod is connect with each grappling fixture, the lower end of sliding slot pipe and the upper end of conduit are socketed, slip draw-in groove is offered on sliding slot pipe, slip draw-in groove includes interconnected upper limit groove portion and lower limit groove portion, elastic component is set in conduit, the upper end of elastic component is connect with push rod, the upper end of connecting rod and the lower end of conduit are socketed and connect with the lower end of elastic component, push rod is connected in upper limit groove portion or lower limit groove portion, so, push rod can facilitate under the action of auxiliary tool, quickly complete the underwater unlock operation of lifting device.

Description

The underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation lifts
Technical field
The utility model belongs to the technical field at million kilowatt nuclear power station more particularly to a kind of Spent Fuel Pool dilatation is used The underwater tripper of highly dense screen work lifting.
Background technique
Spentnuclear fuel refers to through overshoot irradiation, used nuclear fuel, is generated by the nuclear reactor of nuclear power station.Core is anti- Include a large amount of radioactive elements in nuclear fuel after answering heap to react, therefore there are a large amount of radioactivity, if do not located properly Reason, can seriously affect the health of environment with the personnel for contacting them.Therefore via the weary combustion after the nuclear reactor reaction of nuclear power station Material needs to store many decades in Spent Fuel Pool, until its radioactivity is reduced to and can carry out the subsequent post-processing to spentnuclear fuel When technique.With domestic nuclear power be increasing and the lasting operation of nuclear power station, most domestic nuclear power station is weary at present Fuel pit screen work completely holds, and it is impossible to meet the demands of spentnuclear fuel storage inside nuclear power station for existing container, therefore Spent Fuel Pool must expand Spent Fuel Pool storage capacity by transformation, guarantee the normal production in nuclear power station.
When carrying out Spent Fuel Pool dilatation operation, it is necessary first to first the old screen work inside Spent Fuel Pool is removed, Before carrying out old screen work dismounting need that the spentnuclear fuel inside old screen work is first hoisted to external storage.
It after spentnuclear fuel empties, needs to remove old screen work, the dismounting of old screen work is to carry out for the first time at home, old screen work Due to being used for storing spentnuclear fuel for a long time, and it is soaked in the inside with radioactive pond, therefore with a large amount of on old screen work Radioactivity, staff can not be directly close to old screen work and be touched, and staff can not also slip into Spent Fuel Pool Portion assists and observation lifts the operation of old screen work, brings great difficulty to entire work, in the installation of new screen work, equally Due to also containing radioactive substance in pond and belonging to remote operation, installation difficulty is also very big.
During carrying out new screen work installation, need to enter the lifting of new screen work in Spent Fuel Pool by lifting device Installation, and during lifting, to guarantee that new screen work lifting is steady, it is therefore desirable to design one lock on the water after can be automatic The device unlocked under water.
Utility model content
The purpose of this utility model is to provide the underwater unlock dresses that a kind of highly dense screen work of Spent Fuel Pool dilatation lifts It sets, it is intended to solve the technical issues of can not being unlocked under water in screen work hoisting process in the prior art.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: highly dense lattice of Spent Fuel Pool dilatation The underwater tripper of frame lifting, including sliding slot pipe, conduit, elastic component, connecting rod, multiple grappling fixtures and push rod, the connecting rod Lower end connect with each grappling fixture, the upper end of the lower end of the sliding slot pipe and the conduit is socketed, and is opened up on the sliding slot pipe There is slip draw-in groove, the slip draw-in groove includes interconnected upper limit groove portion and lower limit groove portion, and the elastic component is set to institute It states in conduit, the upper end of the elastic component is connect with the push rod, and the lower end of the upper end of the connecting rod and the conduit is socketed And connect with the lower end of the elastic component, the push rod is connected in the upper limit groove portion or the lower limit groove portion.
Preferably, the slip draw-in groove further includes rotating slot portions, the lower end of the upper limit groove portion and the rotating slot portions One end connection, the upper end of the upper limit groove portion extends straight up, the lower end of the lower limit groove portion and the rotation slot The one end in portion connects, and the upper end of the lower limit groove portion extends straight up, and the push rod is under the upper limit groove portion, described It rotates and is connected in the upper limit groove portion or the lower limit groove portion between limit groove portion and the rotating slot portions.
Preferably, the stroke of the upper limit groove portion is greater than the stroke of the lower limit groove portion.
Preferably, the stroke of the upper limit groove portion is 45mm~55mm, the stroke of the lower limit groove portion be 5mm~ 15mm。
Preferably, the rotational angle of the rotating slot portions is 90 °.
Preferably, the underwater tripper that the highly dense screen work of the Spent Fuel Pool dilatation lifts further includes conical pipe, institute The opposite end for stating conical pipe is respectively equipped with the first nozzle and the second nozzle, and the bore of first nozzle is less than second pipe The bore of mouth, first nozzle are connect with the upper end of the sliding slot pipe.
Preferably, the underwater tripper that the highly dense screen work of the Spent Fuel Pool dilatation lifts further include lower part jacking block and The upper end of multiple pin shafts, the lower part jacking block is connect with the connecting rod, each grappling fixture pass through respectively pin shaft be connected to it is described On the jacking block of lower part.
Preferably, there are four the grappling fixture is set, four grappling fixtures pass through four pin shafts respectively and are connected to the lower part top On block.
Preferably, the underwater tripper that the highly dense screen work of the Spent Fuel Pool dilatation lifts further includes being set to described lead Driving member in pipe, the upper end of the driving member are connect with the push rod, and the lower end of the driving member is upper with the elastic component End connection.
Preferably, the driving member includes the first supporting piece and the second supporting piece, the upper end of first supporting piece and institute Push rod connection is stated, the lower end of first supporting piece is connect with the upper end of second supporting piece, under second supporting piece End is connect with the upper end of the elastic component.
Preferably, the elastic component is spring.
Preferably, the push rod is mutually perpendicular to the sliding slot pipe.
The utility model has the beneficial effects that the underwater solution that the highly dense screen work of the Spent Fuel Pool dilatation of the utility model lifts Locking device is pushed push rod by applied external force during lift under water to screen work, so that push rod is detached from lower limit Position groove portion, then after push rod is transferred to upper limit groove portion, push rod is unclamped, push rod springs back card under the elastic force effect of elastic component at this time It connects in upper limit groove portion, and connecting rod is in promptly state after driving grappling fixture rotation, push rod is then in the elastic force of elastic component at this time It is remained stationary under effect, it, only need to will be under push rod when then needing to unlock so that grappling fixture has self-locking function in promptly state Pressure, so that push rod is detached from upper limit groove portion and enters lower limit groove portion, push rod springs back clamping under the elastic force effect of elastic component at this time In lower limit groove portion, and connecting rod is in releasing orientation after driving grappling fixture rotation, so quickly and easily completes lifting device Underwater unlock operation.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation provided by the embodiment of the utility model lifts Structural schematic diagram;
Fig. 2 is the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation provided by the embodiment of the utility model lifts Guide groove pipe structural schematic diagram.
Wherein, each appended drawing reference in figure:
10-sliding slot pipe 11-slip draw-in groove, 20-conduits
30-elastic component 40-connecting rod, 50-grappling fixtures
60-the 71-the first nozzles of 70-conical pipe of push rod
72-the second the 81-the first supporting piece of 80-driving member of nozzle
82-the second 90-lower part of supporting piece, 91-pin shaft of jacking block
111-upper limit groove portion 112-lower limit, 113-rotating slot portions of groove portion.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~2 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Fig. 1~2, the utility model embodiment provides what a kind of highly dense screen work of Spent Fuel Pool dilatation lifted Underwater tripper, including sliding slot pipe 10, conduit 20, elastic component 30, connecting rod 40, grappling fixture 50 and push rod 60, the connecting rod 40 lower end is connect with the grappling fixture 50, and the upper end of the lower end of the sliding slot pipe 10 and the conduit 20 is socketed, the sliding slot pipe Slip draw-in groove 11 is offered on 10, the slip draw-in groove 11 includes interconnected upper limit groove portion 111 and lower limit groove portion 112, the elastic component 30 is set in the conduit 20, and the upper end of the elastic component 30 is connect with the push rod 60, the connection The upper end of bar 40 is socketed with the lower end of the conduit 20 and connect with the lower end of the elastic component 30, and the push rod 60 is connected in institute It states in upper limit groove portion 111 or the lower limit groove portion 112.
Specifically, the underwater tripper that the highly dense screen work of the Spent Fuel Pool dilatation of the utility model embodiment lifts, During lift under water to screen work, push rod 60 is pushed by applied external force, so that push rod 60 is detached from lower limit Groove portion 112, then after push rod 60 is transferred to upper limit groove portion 111, push rod 60 is unclamped, at this time elastic force of the push rod 60 in elastic component 30 The lower rebound of effect is connected in upper limit groove portion 111, and connecting rod 40 drives each grappling fixture 50 to rotate around corresponding pin shaft 91, So that grappling fixture 50 is in promptly state, at this point, push rod 60 then remains stationary under the elastic force effect of elastic component 30, so that grappling fixture 50 Have self-locking function in promptly state, when then needing to unlock, push rod 60 need to only be pushed, so that push rod 60 is detached from upper limit Groove portion 111 enters lower limit groove portion 112, and the rebound under the elastic force effect of elastic component 30 of push rod 60 at this time is connected to lower limit groove portion In 112, and connecting rod 40 drives each grappling fixture 50 to rotate around corresponding pin shaft 91, so that grappling fixture 50 is in releasing orientation, such as This quickly and easily completes the underwater unlock operation of lifting device.
In the present embodiment, as shown in Fig. 2, the slip draw-in groove 11 further includes rotating slot portions 113, the upper limit groove portion 111 lower end is connect with one end of the rotating slot portions 113, and the upper end of the upper limit groove portion 111 extends straight up, described The lower end of lower limit groove portion 112 is connect with one end of the rotating slot portions 113, the upper end of the lower limit groove portion 112 vertically to Upper extension, the push rod 60 turn between the upper limit groove portion 111, the lower limit groove portion 112 and the rotating slot portions 113 It moves and is connected in the upper limit groove portion 111 or the lower limit groove portion 112.Specifically, upper limit groove portion 111 and lower limit It is connected between groove portion 112 by rotating slot portions 113, when being lifted under water to screen work, applied external force pushes push rod 60, So that push rod 60 is detached from lower limit groove portion 112, then rotating push rod 60, so that push rod 60 is rotated around rotating slot portions 113 to the upper limit The lower end of position groove portion 111, then unclamps push rod 60, and the rebound under the elastic force effect of elastic component 30 of push rod 60 at this time is clamped to the upper limit The upper end of position groove portion 111, to complete the underwater promptly operation of lifting device;Likewise, need to will only be pushed away when needing to unlock Bar 60 pushes, so that push rod 60 is detached from upper limit groove portion 111, then in opposite direction by push rod 60 around rotating slot portions 113 Rotation to the lower end of lower limit groove portion 112, the at this time rebound under the elastic force effect of elastic component 30 of push rod 60 is connected to lower limit slot The underwater unlock operation of lifting device is so quickly and easily completed in the upper end in portion 112.
In the present embodiment, as shown in Fig. 2, the stroke of the upper limit groove portion 111 is greater than the row of the lower limit groove portion 112 Journey.Specifically, by the way that the stroke of upper limit groove portion 111 to be dimensioned to the stroke size greater than lower limit groove portion 112, so that For each grappling fixture 50 when around the rotation of corresponding pin shaft 91, the stroke for driving each grappling fixture 50 to move up and down is of different sizes, thus real The now release between each grappling fixture 50 with promptly.
In the present embodiment, as shown in Fig. 1~2, the underwater unlock that the highly dense screen work of the Spent Fuel Pool dilatation lifts is filled Setting further includes lower part jacking block 90 and multiple pin shafts 91, and the upper end of the lower part jacking block 90 is connect with the connecting rod 40, each described Grappling fixture 50 is connected on the lower part jacking block 90 by pin shaft 91 respectively.Specifically, push rod 60 passes through with lower part jacking block 90 and connect The effect of bar 40, realize ibid, the function under, and one end of each grappling fixture 50 accordingly passes through a pin shaft 91 and is connected to down Portion's jacking block 90 realizes the crawl and release of 50 other end of grappling fixture so that one end of each grappling fixture 50 is rotated relative to lower part jacking block 90 Movement.
In the present embodiment, the rotational angle of the rotating slot portions 113 is 90 °.Specifically, by making push rod 60 can be around Rotating slot portions 113 rotates 90 °, when using special turning tool rotating push-rod 60, the tiger's jaw of turning tool lower end and push rod 60 clampings, staff by being rotatably dispose in the vertical rotating bar on turning tool top so that push rod 60 more readily identify and Control the angle being rotated.
In the present embodiment, the stroke of the upper limit groove portion 111 is 45mm~55mm, the row of the lower limit groove portion 112 Journey is 5mm~15mm.Specifically, when being lifted under water to screen work, push rod 60 is pushed 10mm by applied external force, so that pushing away Bar 60 is detached from lower limit groove portion 112, then rotating push rod 60, so that push rod 60 is rotated by 90 ° back spin around rotating slot portions 113 counterclockwise The lower end of upper limit groove portion 111 is gone to, push rod 60 is then unclamped, push rod 60 is sprung back under the elastic force effect of elastic component 30 at this time 50mm is clamped to the upper end in upper limit position groove portion 111, and push rod 60 is risen 40mm by this process, so that lower part jacking block 90 also ramps up 40mm, 4 grappling fixtures 50 are rotated around corresponding pin shaft 91 at this time, so that grappling fixture 50 is in promptly state, at this point, push rod 60 is then It is remained stationary under the elastic force effect of elastic component 30, to complete the underwater promptly operation of lifting device;Likewise, when needing When unlock, only push rod 60 need to be pushed 50mm, so that push rod 60 is detached from upper limit groove portion 111, then by push rod 60 around rotation Groove portion 113 is rotated in a clockwise direction the lower end that 90 ° of back spins go to lower limit groove portion 112, then unclamps push rod 60, at this time push rod 60 spring back the upper end that 10mm is connected to lower limit groove portion 112 under the elastic force effect of elastic component 30, this process pushes push rod 60 40mm, the 40mm so that lower part jacking block 90 moves down, 4 grappling fixtures 50 are rotated around corresponding pin shaft 91 at this time, so that grappling fixture 50 are in releasing orientation, so quickly and easily complete the underwater unlock operation of lifting device.
In the present embodiment, as shown in Fig. 1~2, the underwater unlock that the highly dense screen work of the Spent Fuel Pool dilatation lifts is filled Setting further includes conical pipe 70, and the opposite end of the conical pipe 70 is respectively equipped with the first nozzle 71 and the second nozzle 72, and described The bore of first nozzle 71 is less than the bore of second nozzle 72, and the upper end of first nozzle 71 and the sliding slot pipe 10 connects It connects.Specifically, bell-mouthed conical pipe 70 is had by connecting one in the upper end of sliding slot pipe 10, so that turning tool is by being somebody's turn to do Horn mouth can be easily inserted with the clamping of push rod 60 and rotating push-rod 60 in sliding slot pipe 10, not only easy to use, but also greatly Ground improves the working efficiency of staff, shortens the period that nuclear power station replaces old screen work.
In the present embodiment, as shown in Figure 1, the underwater tripper that the highly dense screen work of the Spent Fuel Pool dilatation lifts is also Including the driving member 80 being set in the conduit 20, the upper end of the driving member 80 is connect with the push rod 60, the driving member 80 lower end is connect with the upper end of the elastic component 30.Specifically, it is driven between push rod 60 and elastic component 30 by driving member 80, When pushing push rod 60, synchronously compression elastic piece 30 of driving member 80, when unclamping push rod 60, driving member 80 synchronously discharges bullet Property part 30, while elastic component 30 drive driving member 80 spring back, and driving member 80 also synchronously drive push rod 60 rise.
In the present embodiment, as shown in Figure 1, the driving member 80 includes the first supporting piece 81 and the second supporting piece 82, it is described The upper end of first supporting piece 81 is connect with the push rod 60, the lower end of first supporting piece 81 and second supporting piece 82 Upper end connection, the lower end of second supporting piece 82 is connect with the upper end of the elastic component 30.Specifically, push rod 60 and elastic component Pass through 82 Synchronous Transmission of the first supporting piece 81 and the second supporting piece between 30.
In the present embodiment, the elastic component 30 is spring.Specifically, the elastic reaction good, stable by utilization spring, Spring is vertically situated at the effective active force of offer in conduit 20 and makes push rod 60 in upper limit groove portion 111 or lower limit groove portion Movement in 112.
In the present embodiment, as shown in Fig. 2, the push rod 60 is mutually perpendicular to the sliding slot pipe 10.Specifically, by making Push rod 60 is vertically arranged with sliding slot pipe 10, so that the tiger's jaw of turning tool lower end is easy to be clamped and rotate with push rod 60, and is pushed away Bar 60 can be steadily connected in upper limit groove portion 111 or lower limit groove portion 112.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (12)

1. the underwater tripper that a kind of highly dense screen work of Spent Fuel Pool dilatation lifts, it is characterised in that: including sliding slot pipe, lead Pipe, elastic component, connecting rod, multiple grappling fixtures and push rod, the lower end of the connecting rod are connect with each grappling fixture, the sliding slot pipe Lower end and the upper end of the conduit are socketed, and slip draw-in groove is offered on the sliding slot pipe, and the slip draw-in groove includes being interconnected Upper limit groove portion and lower limit groove portion, the elastic component is set in the conduit, the upper end of the elastic component and the push rod Connection, the upper end of the connecting rod are socketed and connect with the lower end of the elastic component, the push rod card with the lower end of the conduit It is connected in the upper limit groove portion or the lower limit groove portion.
2. the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation according to claim 1 lifts, feature exist In: the slip draw-in groove further includes rotating slot portions, and the lower end of the upper limit groove portion is connect with one end of the rotating slot portions, institute The upper end for stating upper limit groove portion extends straight up, and the lower end of the lower limit groove portion is connect with one end of the rotating slot portions, The upper end of the lower limit groove portion extends straight up, and the push rod is in the upper limit groove portion, the lower limit groove portion and institute It states and rotates and be connected between rotating slot portions in the upper limit groove portion or the lower limit groove portion.
3. the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation according to claim 2 lifts, feature exist In: the stroke of the upper limit groove portion is greater than the stroke of the lower limit groove portion.
4. the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation according to claim 3 lifts, feature exist In: the stroke of the upper limit groove portion is 45mm~55mm, and the stroke of the lower limit groove portion is 5mm~15mm.
5. the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation according to claim 2 lifts, feature exist In: the rotational angle of the rotating slot portions is 90 °.
6. the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation according to claim 1 lifts, feature exist In: the underwater tripper that the highly dense screen work of the Spent Fuel Pool dilatation lifts further includes conical pipe, the phase of the conical pipe First nozzle and the second nozzle are respectively equipped with to both ends, the bore of first nozzle is less than the bore of second nozzle, institute The first nozzle is stated to connect with the upper end of the sliding slot pipe.
7. the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation according to claim 1 lifts, feature exist In: the underwater tripper that the highly dense screen work of the Spent Fuel Pool dilatation lifts further includes lower part jacking block and multiple pin shafts, institute The upper end for stating lower part jacking block is connect with the connecting rod, and each grappling fixture passes through pin shaft respectively and is connected on the lower part jacking block.
8. the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation according to claim 7 lifts, feature exist In: there are four the grappling fixture is set, four grappling fixtures pass through four pin shafts respectively and are connected on the lower part jacking block.
9. the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation according to claim 1 lifts, feature exist In: the underwater tripper that the highly dense screen work of the Spent Fuel Pool dilatation lifts further includes the transmission in the conduit Part, the upper end of the driving member are connect with the push rod, and the lower end of the driving member is connect with the upper end of the elastic component.
10. the underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation according to claim 9 lifts, feature exist In: the driving member includes the first supporting piece and the second supporting piece, and the upper end of first supporting piece is connect with the push rod, institute The lower end for stating the first supporting piece is connect with the upper end of second supporting piece, the lower end of second supporting piece and the elastic component Upper end connection.
11. the underwater unlock dress that the highly dense screen work of described in any item Spent Fuel Pool dilatations lifts according to claim 1~10 It sets, it is characterised in that: the elastic component is spring.
12. the underwater unlock dress that the highly dense screen work of described in any item Spent Fuel Pool dilatations lifts according to claim 1~10 It sets, it is characterised in that: the push rod is mutually perpendicular to the sliding slot pipe.
CN201820768904.2U 2018-05-22 2018-05-22 The underwater tripper that the highly dense screen work of Spent Fuel Pool dilatation lifts Active CN208488985U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114161457A (en) * 2021-12-15 2022-03-11 四川航天神坤科技有限公司 Combined clamping device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114161457A (en) * 2021-12-15 2022-03-11 四川航天神坤科技有限公司 Combined clamping device

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