CN209685170U - A kind of nuclear power station spent fuel reservoir sluice gate turnover device - Google Patents

Abstract

The utility model relates to a kind of nuclear power station spent fuel reservoir sluice gate turnover devices, the suspender including being arranged at the top of sluice gate, for the sluice gate overturning to be connected and then hung for handling apparatus；And the sluice gate bottom is set, is used to support the fixed sluice gate and the turnover bracket for the sluice gate around its overturning；The deformation of spent fuel pool sluice gate is avoided using the turnover device; it ensure that the containing boundary of Spent Fuel Pool; reduce scene because suspender belt uses the risk of pollution and body exposure in the personnel of lifting process; sluice gate seal capsule is protected in switching process; it avoids seal capsule to be damaged in switching process, and substantially reduces the overturning activity duration.

Description

A kind of nuclear power station spent fuel reservoir sluice gate turnover device

Technical field

The utility model relates to technical field of nuclear power more particularly to a kind of nuclear power station spent fuel reservoir sluice gate overturning dresses It sets.

Background technique

Currently, the lifting of the spent fuel pool sluice gate in all nuclear power stations is all to be directly connected to sluice using suspender belt On the top plate of door, there is no dedicated reversal hangers, therefore are easy to keep sluice gate close in carrying out sluice gate overturning operation process The damage of sealing capsule, tumbles risk there are the risk of seal capsule bad seals and sluice gate, since sluice gate is Spent Fuel Pool Nuclear safety contains boundary, and suspender belt lifting is used for a long time and is easy so that sluice gate deforms, it is therefore desirable to the suspender of design specialized Device is lifted to sluice gate and is overturn operation.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of nuclear power station spent fuel reservoir sluice gate overturning dress It sets.

The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of nuclear power station spent fuel reservoir water Gate turnover device, including

It is arranged at the top of sluice gate, the suspender for the sluice gate overturning to be connected and then hung for handling apparatus；And

It is arranged in the sluice gate bottom, is used to support the fixed sluice gate and for the sluice gate around its overturning Turnover bracket.

Preferably, the sluice gate includes door-plate main body, and door-plate body top both ends, which are set up, to be parallel to each other Riser；

The two sides of the suspender are equipped with the suspender cutting ferrule on the riser that is rotatably connected.

Preferably, first through hole is provided on the riser；

The second through-hole matched with the first through hole is set on the suspender cutting ferrule；

The suspender further includes being arranged in the first through hole and second through-hole, the suspender being installed on described erect The suspender shaft rotated around it on plate, for the suspender cutting ferrule described when the sluice gate is overturn；

The two is connected, is used to be installed on when the suspender by setting between suspender shaft one end and the suspender cutting ferrule Prevent the suspender shaft from falling into the connector in fuel pit when the door-plate main body.

Preferably, the suspender further includes that the hanging beam between the suspender cutting ferrule and being attached thereto is arranged in；

An at least hole for hoist for the suspension hook installation of handling apparatus is provided in the middle part of the hanging beam；

The lifting point of the hole for hoist is lower than the upper edge of the riser.

Preferably, the turnover bracket includes bracket base；

The bracket base includes that a pair of concave-board being parallel to each other and a pair are parallel to each other and hang down with the concave-board The fixed plate being directly arranged；

The fixed plate has set up support rod；The support rod is oppositely arranged far from one end of the bracket base, Mounting portion for being fitted into for a rack shaft.

Preferably, the turnover bracket further includes being separately positioned on the rack shaft and close to the pressure of the support rod Tight device.

Preferably, the pressing device include be mounted on by positioning piece the first pressing plate of the rack shaft two sides with Second pressing plate, and setting is on first pressing plate and second pressing plate and clamping element connecting the two；

First pressing plate passes through connecting rod and described first far from described locating piece one end, towards sluice gate setting First briquetting of pressing plate connection；

Second pressing plate is provided with the second pressure with the first briquetting relative engagement, for compressing the sluice gate Block.

Preferably, fastening screw is respectively set in the concave-board both ends；

The fastening screw includes being set to the concave-board lateral surface, for the positioning groove inner wall with spentnuclear fuel workshop Match and then be mounted on the turnover bracket boss of the positioning groove.

Preferably, further include be horizontally spaced about, for when the sluice gate is turned to horizontal position to the sluice Door is supported the support frame for making it keep horizontality.

Preferably, support frame as described above includes more root long square tubes spatially arranged in parallel；

And more short square tubes of the connection rectangular pipe；

The rectangular pipe and the short square tube are made of stainless steel hollow square steel and are welded into support frame as described above.

Implement the utility model has the following beneficial effects: being avoided using nuclear power station spent fuel reservoir sluice gate turnover device The deformation of spent fuel pool sluice gate, ensure that the containing boundary of Spent Fuel Pool, reduce scene because suspender belt use The risk of pollution and body exposure in the personnel of process is hung, sluice gate seal capsule is protected in switching process, avoids sealing Capsule is damaged in switching process, and substantially reduces the overturning activity duration.

Detailed description of the invention

Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:

Fig. 1 is the structural schematic diagram of the utility model nuclear power station spent fuel reservoir sluice gate turnover device；

Fig. 2 is the local detail schematic diagram of A structure in Fig. 1；

Fig. 3 is the structural schematic diagram of the turnover bracket 2 of the utility model；

Fig. 4 is the structural schematic diagram of the pressing device 25 of the utility model；

Fig. 5 is the structural schematic diagram of the support frame 3 of the utility model.

Specific embodiment

As shown in Figure 1, be the nuclear power station spent fuel reservoir sluice gate turnover device of the utility model, including

100 top of sluice gate, the suspender for the overturning of sluice gate 100 to be connected and then hung for handling apparatus 200 are set 1；And the overturning that 100 bottom of sluice gate is set, fixed sluice gate 100 is used to support and is overturn for sluice gate 100 around it Bracket 2.

Sluice gate 100 includes door-plate main body, and door-plate body top both ends set up the riser 1001 being parallel to each other；Suspender Two sides be equipped with and be rotatably connected the suspender cutting ferrule 11 on riser 1001.

As shown in Figure 1, sluice gate 100 is multilayer plates composition, plate is provided with seal capsule, and multilayer plates constitute door-plate Main body sets up the riser 1001 being parallel to each other at door-plate body top both ends, and further, which is arranged in door Be rotatably connected the suspender cutting ferrule on the riser 1001, further, the suspender is arranged in the two sides of the two sides of plate main body, suspender Cutting ferrule be it is U-shaped, opening matched with riser 1001.

First through hole is provided on riser 1001；The second through-hole matched with first through hole is set on suspender cutting ferrule 11； Suspender 1 further includes being arranged in first through hole to be installed on riser 1001 with the second through-hole, by suspender 1, be used to turn over when sluice gate 100 The suspender shaft 13 that suspender cutting ferrule 11 rotates around it when turning.

It should be understood that first through hole is arranged on riser 1001, the second through-hole is set on suspender cutting ferrule 11, further, Suspender cutting ferrule is U-shaped structure, and opening two sides open up corresponding second through-hole, and suspender shaft 13 is threaded through first through hole and the Two through-holes may be rotatably mounted at suspender 1 on riser 1001, which can be pin shaft, when pin shaft is fed through first After through-hole and the second through-hole, being fixed pin shaft by split pin may be rotatably mounted at suspender 1 on riser 1001.

It should be understood that the suspender shaft 13 can be locking nut, it is corresponding to it and lock nut is set, pass through locking screw Mother matches with lock nut may be rotatably mounted at suspender 1 on riser 1001.It is of course also possible to use other locking groups Part here and is not specifically limited as long as meeting may be rotatably mounted at suspender 1 on riser 1001.

As shown in Fig. 2, the two is connected, is used to pacify when suspender 1 by setting between 13 one end of suspender shaft and suspender cutting ferrule 11 The connector 14 for preventing suspender shaft 13 from falling into fuel pit when loaded on door-plate main body.

In the present embodiment, the first retaining ring is set on the surface of the suspender cutting ferrule 11, the second button of setting in suspender shaft 13 Ring, connector 14 can be Detachable chain, which is connected on the first retaining ring and the second retaining ring, this Sample can prevent suspender 1 from preventing suspender shaft 13 from falling into fuel pit when being installed on door-plate main body, avoid the occurrence of work thing Therefore.It should be understood that the setting position of the first retaining ring and the second retaining ring can be configured according to actual needs, and equally, the company Fitting 14 can also use other structures, here and be not specifically limited.

In the present embodiment, suspender 1 further includes that the hanging beam 12 between suspender cutting ferrule 11 and being attached thereto is arranged in；Hanging beam 12 Middle part is provided for an at least hole for hoist 121 for the suspension hook installation of handling apparatus 200；

The lifting point of hole for hoist 121 is lower than the upper edge of riser 1001.

As shown in Figure 1, hanging beam 12 is arranged between the suspender cutting ferrule 11 of left and right ends, the upper edge of the hanging beam 12, which is lower than, is hung Has the upper edge of cutting ferrule 11.Further, the suspension hook installation of handling apparatus 200 is provided at least at the middle part of hanging beam 12 One hole for hoist 121, it is possible to understand that, the shape of the hole for hoist 121 and aperture can be designed according to actual needs.One In a little fact Examples, which can be 2 or more, lift for multiple suspension hooks.

Further, the lifting point of hole for hoist 121 is lower than the upper edge of riser 1001, and therefore, the lifting point of suspension hook is lower than The upper edge of riser 1001, so that suspender 1 rotates more stable along riser 1001 in hoisting process.

As shown in Figure 1, Figure 3, in the present embodiment, turnover bracket 2 includes bracket base；Bracket base includes a pair of mutual Parallel concave-board 21 and a pair be parallel to each other and with the vertically disposed fixed plate 22 of concave-board 21；Fixed plate 22 is set upwards It is equipped with support rod 23；Support rod 23 is oppositely arranged, for what is be fitted into for a rack shaft 24 far from one end of bracket base Mounting portion 231.

The middle part of fixed plate 22 is arranged in the support rod 23, which is arranged auxiliary supports, with the support Bar 23 spatially forms three-legged structure, improves the stability of support rod 23.

In some embodiments, which sets up the support rod 23 being parallel to each other, and is arranged between support rod 23 Mounting portion 231 parallel with fixed plate 22, for being fitted into for a rack shaft 24.

Further, 24 both ends of rack shaft are mounted in mounting portion 231, which can be mounting hole, bracket 24 both ends of shaft are fed through the mounting hole, and its part for stretching out mounting hole is locked by split pin, or is locked by nut, It should be understood that other locking members can also be used.As long as rack shaft 24 may be rotatably mounted on support rod 23.

In the present embodiment, turnover bracket 2 further includes being separately positioned on rack shaft 24 and close to the pressure of support rod 23 Tight device 25.The pressing device 25 is at least two that support 24 two sides of shaft are arranged in, in some embodiments, compression dress It sets 25 and is also possible to three or four, quantity can be configured according to actual needs with specific setting position, here not It is specifically limited.

As shown in figure 1, figure 3 and figure 4, pressing device 25 includes that 24 two sides of rack shaft are mounted on by positioning piece 251 First pressing plate 252 and the second pressing plate 253, and be arranged on the first pressing plate 252 and the second pressing plate 253 and folder connecting the two Tight part 254.

In the present embodiment, first pressing plate 252 and the second pressing plate 253 can be T-shape structure, so that abutting sluice gate 100 contact surface is bigger, and clamping effect is more preferable.

First pressing plate 252 and the second pressing plate 253 are mounted in positioning piece 251 relatively, which, which can be, turns Axis or support round bar, the first pressing plate 252 and the second pressing plate 253 can be axially moved along the locating piece 251, and then relatively close Or be relatively distant from, so that clamping sluice gate 100 or unclamping sluice gate 100.Further, first pressing plate 252 and the second pressure Plate 253 can be circumferentially rotated around the locating piece 251.

It is provided with clamping element 254 between first pressing plate 252 and the second pressing plate 253, which can be screw rod, the One pressing plate 252 and the second pressing plate 253 are relatively set with through-hole, which wears and protrude the through-hole of side, the screw rod one end Limiting section is set, which abuts the lateral surface of the first pressing plate 252 or the second pressing plate 253, and the screw rod is far from the limiting section Lock nut or lock sleeve is arranged in the other end, when the first pressing plate 252 abuts sluice gate 100 with the second pressing plate 253, it can pass through It locks the screw rod and then clamps sluice gate 100.

Further, remotely located 251 one end of part of the first pressing plate 252, towards sluice gate 100 setting pass through connecting rod 2521 The first briquetting 2522 being connect with the first pressing plate 252；Second pressing plate 253 be provided with 2522 relative engagement of the first briquetting, be used for Compress the second briquetting 2532 of sluice gate 100.

Due to the every laminate part of sluice gate 100 be not necessarily all it is equally distributed, some plates be groove structure, therefore first pressure Plate 252 is provided with the first briquetting 2522 of the connection of connecting rod 2521, so that the first briquetting 2522 abuts to the groove face of groove, And sluice gate 100 is clamped by the second matched briquetting 2532.

In some embodiments, if the plate of the sluice gate 100 of clamping is to be uniformly distributed, the connecting rod can not needed 2521 the first briquettings 2522 of connection.

Further, which can be identical or different with 2532 structure of the second briquetting, can be according to practical need It asks and is configured, be not specifically limited here.

In the present embodiment, fastening screw 26 is respectively set in 21 both ends of concave-board；Fastening screw 26 is recessed including being set to 21 lateral surface of frid matches for the positioning groove inner wall with spentnuclear fuel workshop and then is mounted on turnover bracket 2 and determines The boss 261 of position groove.

During handling sluice gate 100, turnover bracket 2 is placed in the positioning groove of spentnuclear fuel workshop, passes through tune The distance of whole fastening screw 26 so that boss 261 withstand positioning groove inner wall so that by turnover bracket 2 be fixedly mounted on positioning it is recessed It on slot, prevents during handling sluice gate 100, turnover bracket 2 shifts, and guarantees field work safe.It should be understood that can also Here and to be not specifically limited using other fixed forms.

In the present embodiment, further include be horizontally spaced about, for when sluice gate 100 is turned to horizontal position to sluice Door 100 is supported the support frame 3 for making it keep horizontality.

Further, as shown in figure 5, support frame 3 includes more root long square tubes 31 spatially arranged in parallel, and The more short square tube 32 of rectangular pipe 31 is connected, rectangular pipe 31 and short square tube 32 are made of stainless steel hollow square steel and are welded into support Frame 3.The service life of support frame 3 can be extended using stainless steel.And the support frame 3 compares the lumps of wood used at present, more lightly, It is more convenient to carry.

Further, rectangular pipe 31 can be four to be spatially parallel to each other, and short square tube 32 is separately positioned on rectangular The two sides of pipe 31 connect adjacent rectangular pipe 31, form class rectangular parallelepiped structure.In some embodiments, it is also possible to be Short square tube 32 connects the rectangular pipe 31 at both ends on diagonal line.It should be understood that the support frame 3 can have a variety of structures mode, it is long The length and quantity of square tube 31 and short square tube 32, can be configured according to actual needs, not do specific restriction here.

When needing to overturn the sluice gate 100, by handling apparatus 200, it is moved to specific position, and by handling apparatus 200 Suspension hook be connected on the hole for hoist 121 of hanging beam 12, during handling, 24 turns of rack shaft around turnover bracket 2 of sluice gate 100 It is dynamic, until sluice gate 100 is placed on support frame 3 and keeps horizontality.

The deformation that spent fuel pool sluice gate is avoided using nuclear power station spent fuel reservoir sluice gate turnover device, ensure that The containing boundary of Spent Fuel Pool reduces scene because suspender belt uses the wind of pollution and body exposure in the personnel of lifting process It is dangerous, sluice gate seal capsule is protected in switching process, the seal capsule in switching process is avoided and is damaged.And the nuclear power Spent fuel pool sluice gate of standing turnover device is not before use, lifting sluice gate using suspender belt and flitch and being overturn about The time for needing 6 hours, after the nuclear power station spent fuel reservoir sluice gate turnover device, lifting sluice gate is big to being horizontally arranged 2 hours are about needed, the overturning activity duration is substantially reduced.

It should be understood that above embodiments only express preferred embodiments of the present invention, describe more specific With it is detailed, but it should not be understood as limiting the scope of the patent of the utility model；It should be pointed out that for this field Those of ordinary skill for, without departing from the concept of the premise utility, can to above-mentioned technical characterstic carry out freely Combination, various modifications and improvements can be made, and these are all within the protection scope of the present invention；Therefore, all practical with this The equivalents and modification that novel scope of the claims is done, should belong to the covering scope of the utility model claims.

Claims (10)

1. a kind of nuclear power station spent fuel reservoir sluice gate turnover device, which is characterized in that including

Setting is overturn at the top of sluice gate (100), for the sluice gate (100) to be connected and then hung for handling apparatus (200) Suspender (1)；And

It is arranged in the sluice gate (100) bottom, is used to support the fixed sluice gate (100) and for the sluice gate (100) around the turnover bracket (2) of its overturning.

2. nuclear power station spent fuel reservoir sluice gate turnover device according to claim 1, which is characterized in that the sluice gate It (100) include door-plate main body, door-plate body top both ends set up the riser (1001) being parallel to each other；

The two sides of the suspender are equipped with the suspender cutting ferrule (11) on the riser (1001) that is rotatably connected.

3. nuclear power station spent fuel reservoir sluice gate turnover device according to claim 2, which is characterized in that the riser (1001) first through hole is provided on；

The second through-hole matched with the first through hole is set on the suspender cutting ferrule (11)；

The suspender (1) further include be arranged in the first through hole and second through-hole, the suspender (1) is installed on it is described The suspender shaft rotated around it on riser (1001), for the suspender cutting ferrule (11) described when the sluice gate (100) are overturn (13)；

The two connect, is used for when the suspender by setting between described suspender shaft (13) one end and the suspender cutting ferrule (11) (1) prevent the suspender shaft (13) from falling into the connector (14) in fuel pit when being installed on the door-plate main body.

4. nuclear power station spent fuel reservoir sluice gate turnover device according to claim 2, which is characterized in that the suspender It (1) further include the hanging beam (12) for being arranged between the suspender cutting ferrule (11) and being attached thereto；

An at least hole for hoist (121) for the suspension hook installation of handling apparatus (200) is provided in the middle part of the hanging beam (12)；

The lifting point of the hole for hoist (121) is lower than the upper edge of the riser (1001).

5. nuclear power station spent fuel reservoir sluice gate turnover device according to claim 1, which is characterized in that the overturning branch Frame (2) includes bracket base；

The bracket base includes a pair of concave-board (21) being parallel to each other and a pair is parallel to each other and with the concave-board (21) vertically disposed fixed plate (22)；

The fixed plate (22) has set up support rod (23)；One end phase of the support rod (23) far from the bracket base To setting, the mounting portion (231) for being fitted into for a rack shaft (24).

6. nuclear power station spent fuel reservoir sluice gate turnover device according to claim 5, which is characterized in that the overturning branch Frame (2) further include be separately positioned on the rack shaft (24) and close to the support rod (23) pressing device (25).

7. nuclear power station spent fuel reservoir sluice gate turnover device according to claim 6, which is characterized in that the compression dress Setting (25) includes the first pressing plate (252) and the second pressure that the rack shaft (24) two sides are mounted on by positioning piece (251) Plate (253), and setting is on first pressing plate (252) and second pressing plate (253) and clamping element connecting the two (254)；

First pressing plate (252) passes through connection far from the locating piece (251) one end, towards the sluice gate (100) setting The first briquetting (2522) that bar (2521) is connect with first pressing plate (252)；

Second pressing plate (253) is provided with the first briquetting (2522) relative engagement, for compressing the sluice gate (100) the second briquetting (2532).

8. nuclear power station spent fuel reservoir sluice gate turnover device according to claim 5, which is characterized in that the concave-board (21) fastening screw (26) are respectively set in both ends；

The fastening screw (26) includes being set to the concave-board (21) lateral surface, for the positioning groove with spentnuclear fuel workshop Inner wall matches and then the turnover bracket (2) is mounted on to the boss (261) of the positioning groove.

9. nuclear power station spent fuel reservoir sluice gate turnover device according to claim 1, which is characterized in that further include level Interval setting makes its guarantor for being supported when the sluice gate (100) is turned to horizontal position to the sluice gate (100) The support frame (3) of water holding level state.

10. nuclear power station spent fuel reservoir sluice gate turnover device according to claim 9, which is characterized in that the support Frame (3) includes more root long square tubes (31) spatially arranged in parallel；

And the more short square tube (32) of the connection rectangular pipe (31)；

The rectangular pipe (31) and the short square tube (32) are made of stainless steel hollow square steel and are welded into support frame as described above (3).