CN207610074U - Lamp group part under New-type fuel tank water - Google Patents
Lamp group part under New-type fuel tank water Download PDFInfo
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- CN207610074U CN207610074U CN201721815082.0U CN201721815082U CN207610074U CN 207610074 U CN207610074 U CN 207610074U CN 201721815082 U CN201721815082 U CN 201721815082U CN 207610074 U CN207610074 U CN 207610074U
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- lamp
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- fuel tank
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Abstract
The utility model belongs to in-Service Inspection of Nuclear Power Station technical field, more particularly to lamp group part under a kind of New-type fuel tank water, purpose is to design novel fuel pit underwater lamp holder, lamp support under raw water and lamps and lanterns are remodeled, maintenance personal can stand or squat can bring out underwater lamp fuel pit on pond side, be then put into after low irradiation zone replaces illumination and again put back to underwater lamp.Do not need maintenance personal takes the posture of handstand to go to unclamp fixed screw again.It will greatly reduce the working time in this way and reduce staff by the dosage irradiated, and tool need not be stretched into fuel pit, eliminate the risk for causing foreign matter to fall fuel pit because the work of underwater lamp is replaced.It is characterized in that：It includes fixed underwater lamp, lamp mounting bracket, hanger, water loss protection device, connecting bracket and knob.
Description
Technical field
The utility model belongs to in-Service Inspection of Nuclear Power Station technical field, and in particular to lamp group under a kind of New-type fuel tank water
Part.
Background technology
There are design problems for the mounting bracket of underwater lamp and lamps and lanterns in K/R fuel pits in the nuclear power plant system of Fan family mountain, former
In design, when being shaken underwater lamp to highest order using crank, underwater lamp can not also be taken out from fuel pit, needed spanner
It reaches in fuel pit, unclamps fastening screw, underwater lamp could be taken out and be replaced.In this process, maintenance personal almost locates
In the posture of handstand, replacement difficulty is very big, and longer working time makes personnel by unnecessary irradiation.And it needs tool
Stretch into fuel pit, the hand of maintenance personal will also reach in fuel pit, increase foreign matter fall into pond and maintenance personal by
To the risk of contamination.There are part lamps and lanterns even to need precipitation position that could be replaced in replacement process.
Under such design, it is 50 points averagely to replace one group of underwater lamp to need 4 working members, average replacing construction
Clock, it is averagely about 12 μ sv to replace the collective dose that one group of illumination is subject to, average primary according to the experience of Fan family mountain overhaul several times
The number of faults of overhaul underwater lighting is about 7 groups of lamps, so time-consuming and laborious so that this work of replacement underwater lighting becomes high
Risk, high intensity, collective dose are high, and foreign matter falls the high work of fuel pit probability, it is therefore desirable to make improvements.
Utility model content
The purpose of this utility model is to design novel fuel pit underwater lamp holder, by lamp support under raw water and lamps and lanterns
It remodels, maintenance personal can stand or squat can bring out underwater lamp fuel pit on pond side, then be put into low irradiation
Underwater lamp is again put back to after replacing illumination in region.Do not need maintenance personal takes the posture of handstand to go to unclamp fixed spiral shell again
Silk.It will greatly reduce the working time in this way and reduce staff by the dosage irradiated, and tool need not be stretched into fuel
In pond, the risk for causing foreign matter to fall fuel pit because the work of underwater lamp is replaced is eliminated.
The utility model is realized in this way：
Lamp group part under a kind of New-type fuel tank water, including fixed underwater lamp, lamp mounting bracket, hanger, dehydration are protected
Protection unit, connecting bracket and knob；The rear end of fixed underwater lamp is flexibly connected with lamp mounting bracket, can carry out pitch angle
The adjustment of degree, for realizing illumination；The upper end of lamp mounting bracket is fixedly connected with the lower end of hanger, for installing fixed water
Lower lamp；The rear end of hanger is fixed on by connecting bracket on the horizontal stand of Spent Fuel Pool inner wall；Water loss protection device
It is fixed on hanger, is located at the top of fixed underwater lamp, for ensuring ability quilt after fixed underwater lamp integrally submerges in water
It lights；Knob is fixed on the upper end of hanger, is located at the front end of water loss protection device, for lifting entire holder device.
The rear end of fixed underwater lamp as described above is fixedly installed connection handle, is offered in the center of connection handle
Through-hole, for connecting lamp mounting bracket.
The upper end of lamp mounting bracket generally inverted " u "-shaped plate as described above, two side plates in left and right is set by level
The connecting plate set is connected；The top of side plate is rectangular, and lower part is semicircle, and connecting hole is offered in the center of lower part, with
The lead to the hole site of fixed underwater lamp connection handle is corresponding, is connected with fixed underwater lamp activity by axis pin and the first split pin
It connects, to realize the adjustment of fixed underwater lamp pitch angle；The center of level board offers through-hole, is hung for connecting
Frame.
Hanger generally serpentine plate as described above, in lower end, the center of horizontal edge offers connecting hole, with lamps and lanterns
The lead to the hole site of mounting bracket is corresponding, passes through the first hexagonal flange locking nut and the second split pin and lamp mounting bracket
It is fixedly connected；Vertical edge top rear end it is horizontally disposed have extension board, set successively from left to right in the lower end of extension board
It is equipped with short latch and cremorne bolt, the diameter and length of short latch are respectively smaller than the diameter and length of cremorne bolt, prevent negative direction from missing
The occurrence of inserting；Mounting hole is offered in the middle part of the horizontal edge of upper end, for installing water loss protection device.
The hollow cuboid of the generally left and right both ends open of connecting bracket as described above, rear end face are provided with two
A through-hole is fixed by the horizontal stand of the second hexagonal flange locking nut and third split pin and Spent Fuel Pool inner wall and is connected
It connects；Upper surface is set gradually along from left to right there are two pin hole, positions and dimensions respectively with the short latch of hanger and cremorne bolt phase
Matching realizes the fixation for hanger by the way that the short latch of hanger and cremorne bolt to be inserted into corresponding pin hole.
The upper end of the water loss protection device is fixed in the mounting hole of hanger, before main part is located at hanger vertical edge
End.
Knob top as described above is ring-type, for holding；Lower part is rod-shaped, and lower end is upper with hanger upper end horizontal edge
End face is fixedly connected.
Lamp mounting bracket, hanger, connecting bracket and knob as described above are all made of stainless steel material and are made.
The utility model has the beneficial effects that：
By using the fuel pit underwater lamp component of the utility model, one group of underwater lamp is averagely replaced by original 4 works
Drop to 2 working members as member, averagely replaces time of one group of underwater lamp by dropping within original 50 minutes 10 minutes, more
Collective dose that one group of illumination is subject to is changed by 12 original μ sv, drops to 2 μ sv.Human cost is being reduced, work risk is reduced,
While reducing collective dose, since fixed screw need not be loosened in fuel pit again, foreign matter has been greatly reduced it and has fallen
The risk of fuel pit.
Description of the drawings
Fig. 1 be the utility model New-type fuel tank water under lamp group part front view；
Fig. 2 be the utility model New-type fuel tank water under lamp group part left view；
Fig. 3 be the utility model New-type fuel tank water under lamp group part lamp mounting bracket left view；
Fig. 4 be the utility model New-type fuel tank water under lamp group part hanger left view；
Fig. 5 be the utility model New-type fuel tank water under lamp group part connecting bracket left view；
Fig. 6 be the utility model New-type fuel tank water under lamp group part knob front view.
Wherein：1. fixed underwater lamp, 2. axis pins, 3. first split pins, 4. lamp mounting brackets, 5. first hexagonal flanges
Face locking nut, 6. second split pins, 7. hangers, 8. water loss protection devices, 9. second hexagonal flange locking nuts, 10. connect
Connect holder, 11. third split pins, 12. knobs.
Specific implementation mode
The utility model is described further with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, lamp group part under a kind of New-type fuel tank water, including fixed underwater lamp 1, lamp installation
Holder 4, hanger 7, water loss protection device 8, connecting bracket 10 and knob 12.The rear end of fixed underwater lamp 1 and lamp installation branch
Frame 4 is flexibly connected, and the adjustment of pitch angle can be carried out, for realizing illumination.The upper end of lamp mounting bracket 4 and hanger 7
Lower end is fixedly connected, for installing fixed underwater lamp 1.The rear end of hanger 7 is fixed on by connecting bracket 10 positioned at spentnuclear fuel
On the horizontal stand of pool inner wall.Water loss protection device 8 is fixed on hanger 7, is located at the top of fixed underwater lamp 1, is used for
Ensure just be lit after 1 entirety of fixed underwater lamp is submerged in water.Knob 12 is fixed on the upper end of hanger 7, is located at dehydration and protects
The front end of protection unit 8, for lifting entire holder device.
Fixed underwater lamp 1 is realized using existing lamps and lanterns, can be purchased from the market.The rear end of fixed underwater lamp 1 is solid
Surely it is provided with connection handle, through-hole is offered in the center of connection handle, for connecting lamp mounting bracket 4.
As shown in figure 3, the generally inverted " u "-shaped plate of lamp mounting bracket 4, the upper end of two side plates in left and right is set by level
The connecting plate set is connected.The top of side plate is rectangular, and lower part is semicircle, and connecting hole is offered in the center of lower part, with
The lead to the hole site of 1 connection handle of fixed underwater lamp is corresponding, passes through axis pin 2 and the first split pin 3 and 1 activity of fixed underwater lamp
Connection, to realize the adjustment of 1 pitch angle of fixed underwater lamp.The center of level board offers through-hole, for connecting
Hanger 7.
As shown in figure 4, the generally serpentine plate of hanger 7, in lower end, the center of horizontal edge offers connecting hole, with lamp
The lead to the hole site for having mounting bracket 4 is corresponding, is pacified with lamps and lanterns by the first hexagonal flange locking nut 5 and the second split pin 6
Dress holder 4 is fixedly connected；Vertical edge top rear end it is horizontally disposed have extension board, the lower end of extension board from left to right
It is disposed with short latch and cremorne bolt, the diameter and length of short latch are respectively smaller than the diameter and length of cremorne bolt, prevent anti-
The occurrence of direction misplugs；Mounting hole is offered in the middle part of the horizontal edge of upper end, for installing water loss protection device 8.
As shown in figure 5, the hollow cuboid of the generally left and right both ends open of connecting bracket 10, rear end face are provided with
Two through-holes pass through the horizontal stand of the second hexagonal flange locking nut 9 and third split pin 11 and Spent Fuel Pool inner wall
It is fixedly connected；Upper surface is set gradually along from left to right there are two pin hole, positions and dimensions respectively with the short latch and length of hanger 7
Bolt matches, and by the way that the short latch of hanger 7 and cremorne bolt to be inserted into corresponding pin hole, realizes consolidating for hanger 7
It is fixed.
Water loss protection device 8 is realized using existing apparatus.The upper end of water loss protection device 8 is fixed on the mounting hole of hanger 7
In, main part is located at the front end of 7 vertical edge of hanger.
As shown in fig. 6,12 tops of knob are ring-type, for holding；Lower part is rod-shaped, lower end and 7 upper end horizontal edge of hanger
Upper surface be fixedly connected.The length of knob 12 can be adjusted according to scene needs, to meet the use under different situations
Demand.
In the present embodiment, lamp mounting bracket 4, hanger 7, connecting bracket 10 and knob 12 are all made of stainless steel material system
At.
The installation process of the utility model is as follows：
1. removing old Under water lamp by normal step
2. connecting bracket 10 to be mounted on to the position of former lamps and lanterns, connecting bracket 10 passes through third split pin 11 and the second hexagonal
Flange face locking nut 9 replaces the position of old lamps and lanterns bolt, and fastens firm, and connecting bracket 10 need not remove again
3. staff's hand takes knob 12, the short latch and cremorne bolt of hanger 7 are inserted into connecting bracket 10 after alignment
Pin hole, work complete.
The implementation of the utility model is explained in detail above in conjunction with embodiment, but the utility model and unlimited
In above-described embodiment, within the knowledge of a person skilled in the art, the utility model can also not departed from
Various changes can be made under the premise of objective.Existing skill may be used in the content not being described in detail in the utility model specification
Art.
Claims (8)
1. lamp group part under a kind of New-type fuel tank water, it is characterised in that：It includes fixed underwater lamp (1), lamp installation branch
Frame (4), hanger (7), water loss protection device (8), connecting bracket (10) and knob (12)；The rear end of fixed underwater lamp (1) with
Lamp mounting bracket (4) is flexibly connected, and the adjustment of pitch angle can be carried out, for realizing illumination；Lamp mounting bracket (4)
Upper end is fixedly connected with the lower end of hanger (7), for installing fixed underwater lamp (1)；The rear end of hanger (7) passes through connecting bracket
(10) it is fixed on the horizontal stand of Spent Fuel Pool inner wall；Water loss protection device (8) is fixed on hanger (7), is located at
The top of fixed underwater lamp (1) can be just lit for ensuring after fixed underwater lamp (1) integrally submerges in water；Knob
(12) it is fixed on the upper end of hanger (7), is located at the front end of water loss protection device (8), for lifting entire holder device.
2. lamp group part under New-type fuel tank water according to claim 1, it is characterised in that：The fixed underwater lamp
(1) rear end is fixedly installed connection handle, through-hole is offered in the center of connection handle, for connecting lamp mounting bracket
(4)。
3. lamp group part under New-type fuel tank water according to claim 2, it is characterised in that：The lamp mounting bracket
(4) generally inverted " u "-shaped plate, the upper end of two side plates in left and right are connected by horizontally disposed connecting plate；The top of side plate is
Rectangular, lower part is semicircle, offers connecting hole in the center of lower part, the through-hole with fixed underwater lamp (1) connection handle
Position is corresponding, is flexibly connected with fixed underwater lamp (1) by axis pin (2) and the first split pin (3), fixed to realize
The adjustment of underwater lamp (1) pitch angle；The center of level board offers through-hole, for connecting hanger (7).
4. lamp group part under New-type fuel tank water according to claim 3, it is characterised in that：The hanger (7) is whole
For serpentine plate, in lower end, the center of horizontal edge offers connecting hole, opposite with the lead to the hole site of lamp mounting bracket (4)
It answers, is fixedly connected with lamp mounting bracket (4) by the first hexagonal flange locking nut (5) and the second split pin (6)；Perpendicular
The rear end on side top is horizontally disposed extension board, and short latch and length are disposed with from left to right in the lower end of extension board
The occurrence of bolt, the diameter and length of short latch are respectively smaller than the diameter and length of cremorne bolt, prevent negative direction from mispluging；
Mounting hole is offered in the middle part of the horizontal edge of upper end, for installing water loss protection device (8).
5. lamp group part under New-type fuel tank water according to claim 4, it is characterised in that：The connecting bracket (10)
The hollow cuboid of generally left and right both ends open, there are two through-holes for rear end face setting, are locked by the second hexagonal flange
Tight nut (9) and third split pin (11) are fixedly connected with the horizontal stand of Spent Fuel Pool inner wall；Upper surface along from left to right according to
There are two pin hole, positions and dimensions match with the short latch of hanger (7) and cremorne bolt respectively for secondary setting, by by hanger
(7) short latch and cremorne bolt is inserted into corresponding pin hole, realizes the fixation for hanger (7).
6. lamp group part under New-type fuel tank water according to claim 4, it is characterised in that：The water loss protection device
(8) upper end is fixed in the mounting hole of hanger (7), and main part is located at the front end of hanger (7) vertical edge.
7. lamp group part under New-type fuel tank water according to claim 4, it is characterised in that：Described knob (12) top
For ring-type, for holding；Lower part is rod-shaped, and lower end is fixedly connected with the upper surface of hanger (7) upper end horizontal edge.
8. lamp group part under New-type fuel tank water according to claim 1, it is characterised in that：The lamp mounting bracket
(4), hanger (7), connecting bracket (10) and knob (12) are all made of stainless steel material and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815082.0U CN207610074U (en) | 2017-12-22 | 2017-12-22 | Lamp group part under New-type fuel tank water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815082.0U CN207610074U (en) | 2017-12-22 | 2017-12-22 | Lamp group part under New-type fuel tank water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207610074U true CN207610074U (en) | 2018-07-13 |
Family
ID=62799582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721815082.0U Active CN207610074U (en) | 2017-12-22 | 2017-12-22 | Lamp group part under New-type fuel tank water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207610074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958915A (en) * | 2017-12-22 | 2019-07-02 | 中核核电运行管理有限公司 | Lamp group part under New-type fuel tank water |
-
2017
- 2017-12-22 CN CN201721815082.0U patent/CN207610074U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958915A (en) * | 2017-12-22 | 2019-07-02 | 中核核电运行管理有限公司 | Lamp group part under New-type fuel tank water |
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