CN202976865U - Neutron source assembly testing facility for nuclear instrumentation system - Google Patents

Neutron source assembly testing facility for nuclear instrumentation system Download PDF

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Publication number
CN202976865U
CN202976865U CN2012207366392U CN201220736639U CN202976865U CN 202976865 U CN202976865 U CN 202976865U CN 2012207366392 U CN2012207366392 U CN 2012207366392U CN 201220736639 U CN201220736639 U CN 201220736639U CN 202976865 U CN202976865 U CN 202976865U
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CN
China
Prior art keywords
operating platform
neutron
rotating shaft
neutron source
source assembly
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Expired - Lifetime
Application number
CN2012207366392U
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Chinese (zh)
Inventor
王红波
卓文彬
万海生
宋健
邓朝平
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Nuclear Power Institute of China
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Nuclear Power Institute of China
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Priority to CN2012207366392U priority Critical patent/CN202976865U/en
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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Abstract

The utility model discloses a neutron source assembly testing facility for a nuclear instrumentation system, which comprises an operating board (1), a drive mechanism (2), a neutron source jar (3), a pulley yoke (6) and a lifting rope (7), wherein the operating board (1) comprises an operating platform, the operating platform is provided with an opening running through the upper and lower end faces of the operating platform, the neutron source jar (3) is arranged below the opening of the operating platform, the pulley yoke (6) is arranged at the opening of the operating platform, the pulley yoke (6) is provided with a pulley, the drive mechanism (2) is fixed on the upper end face of the operating platform, the drive mechanism (2) comprises a rotating shaft (202), one end of the lifting rope (7) is wound around the rotating shaft (202), and the other end of the lifting rope (7), after bypassing the pulley on the pulley yoke (6) and passing through the opening of the operating platform, is connected with the neutron source jar (3). Because of adoption of the structure, the testing facility disclosed by the utility model is simple in overall structure, and easy to implement; and when the testing facility is running, the manpower can be reduced, and the working efficiency can be improved.

Description

The Neutron source assembly test unit that is used for the core instrument system
Technical field
The utility model relates to a kind of checkout equipment, specifically is used for the Neutron source assembly test unit of core instrument system.
Background technology
Before nuclear power station reactor core first fuel loading, need to carry out the test of core instrument system (RPN) source, with external neutrons source inspection explorer response, guarantee that when filling with substance measures passage and can use.Now when carrying out the response test of RPN source, testing crew one end is held lifting rope, the other end of the lifting rope neutron source of playing, it is the mode direct control that testing crew adopts the naked source rope to hang, bend over successively in the place at a plurality of pipe wells, hand takes the rope neutron source of playing to seek each response point position of detector, and a plurality of explorer response points are arranged respectively in each pipe well.In order to guarantee accuracy of detection, near the position that needs testing crew repeatedly to promote, descend and keep neutron source each explorer response fragment position in the detector pipe well checks explorer response.Therefore, adopt existing mode to carry out the source test, testing crew labour intensity is large.How reducing the labour intensity of testing crew when carrying out the source test, this becomes present people's question of common concern, yet has no now relevant report.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and can reduce testing crew labour intensity, and can improve the Neutron source assembly test unit that is used for the core instrument system of source test efficiency.
the purpose of this utility model is achieved through the following technical solutions: the Neutron source assembly test unit that is used for the core instrument system, comprise operator's console, gear train, the neutron carrying shield, pulley yoke and lifting rope, described operator's console comprises operating platform, operating platform is provided with the opening that runs through its upper and lower end face, the neutron carrying shield is arranged on the opening below of operating platform, pulley yoke is arranged at the opening part of operating platform, be provided with pulley on pulley yoke, described gear train is fixed on the operating platform upper surface, gear train comprises rotating shaft, described lifting rope one end is wrapped in rotating shaft, its other end is connected with the neutron carrying shield after walking around the pulley yoke top sheave and passing the opening of operating platform.When adopting the present invention to carry out the source test, neutron source is with the specific purpose tool gripping and be put in the neutron carrying shield.
The Neutron source assembly test unit that is used for the core instrument system, also comprise horizontal racking device, described horizontal racking device comprises slide block, leading screw and two supporting bases, two supporting bases are arranged on respectively the two ends of operating platform lower surface, described leading screw two ends lay respectively in two supporting bases, be provided with the nut seat with nut on slide block, described leading screw passes nut and, the form fit big or small with nut on nut seat; Opening on described operating platform is the rectangular aperture of horizontally set, the operating platform upper surface is provided with two slide rails that lay respectively at its opening both sides and horizontally set, described slide block is arranged at slide rail top and nested being arranged on slide rail, and described pulley yoke is arranged on the upper end of slide block face.
Described horizontal racking device also comprises leading screw rocking bar and handle, and described leading screw down-feed screw rocking bar and one end are connected with the leading screw rocking bar, and described handle down-feed screw rocking bar and the other end that connect leading screw end relative to the leading screw rocking bar connect.The purpose that the utility model arranges leading screw rocking bar and handle is to be convenient to leading screw is regulated, and then is convenient to be with movable slider to move.
Described gear train also comprises support plate, support plinth, connecting link, transmission handgrip and is connected to connection end plate on support plate, described support plinth is fixed in the operating platform upper surface, support plate is arranged on support plinth, described rotating shaft one end stretches in the axle sleeve that connects end plate, its other end vertical connecting and being connected with connecting link, the other end of described transmission handgrip vertical connecting and connection rotating shaft end relative to connecting link connects.The purpose that the utility model arranges support plate is that countershaft positions and supports, and is convenient to countershaft by connecting link and transmission handgrip and rotates.
Described connection end plate is fixed on support plate by hold-down nut, connects the relative both sides that end plate and hold-down nut lay respectively at support plate.
Be arranged with drum in described rotating shaft, consisting of on described drum has lifting rope to be wound around the space, is wound in lifting rope in rotating shaft and is positioned at lifting rope and is wound around the space.
Described gear train also comprises self-locking device, locating end plate and sleeve, locating end plate is passed in described rotating shaft, described self-locking device comprises the axle sleeve of pulling block, spring and locating end plate, described sleeve is connected with the locating end plate sidewall, pulling block is arranged in rotating shaft, and described both ends of the spring acts on respectively sleeve lining and the pulling block of locating end plate.Pulling block of the present utility model and spring consist of self-locking structure, and the utility model is when being wound around or discharge lifting rope, and pulling block overcomes spring force and rotates, and when stopping winding or discharging lifting rope, it is motionless that the elastic force of spring is kept pulling block, and then realize the self-locking of rotating shaft.
Described neutron source tank top is provided with screw, and described lifting rope relatively is wrapped on the other end of rotating shaft end and is connected with lifting bolt, and the screw size coupling of this lifting bolt and neutron source tank top is embedded in the screw of neutron carrying shield.The utility model embeds by lifting bolt to be realized in the screw of neutron carrying shield being connected of lifting rope and neutron carrying shield, and installation and removal are convenient.
Described operating platform lower surface is connected with the cask flask locating rack, is connected with cask flask on described cask flask locating rack.If need when the utility model is used move to another pipe well from a pipe well, in establish neutron source the neutron carrying shield can be placed in cask flask, this can reduce radioactive source to the harm of testing crew.
Described cask flask adopts polythene material to make.
Compared with prior art, the utlity model has following beneficial effect: (1) the utility model is provided with the gear train with rotating shaft, can drive lifting rope by the both forward and reverse directions rotating shaft in the utility model application process, and then drive neutron source rises in pipe well or descends, easy to operate, efficient is high, and the utility model can avoid the lifting rope of the long-term portable connection neutron source of testing crew, and then can reduce testing crew labour intensity.
(2) the utility model is provided with horizontal racking device, when using, the utility model passes through to regulate the leading screw of horizontal racking device, can realize the lateral excursion of lifting rope and neutron carrying shield integral body in pipe well, and then can guarantee that the neutron carrying shield rises smoothly or descends in the pipe well that cable gathers.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the structural representation of gear train in Fig. 1.
In accompanying drawing, the corresponding name of Reference numeral is called: 1, operator's console, 2, gearing, 3, the neutron carrying shield, 4, cask flask, 5, the cask flask locating rack, 6, pulley yoke, 7, lifting rope, 8, slide block, 9, slide rail, 10, supporting base, 11, leading screw, 12, the leading screw rocking bar, 13, handle, 201, support plate, 202, rotating shaft, 203, connecting link, 204, transmission handgrip, 205, hold-down nut, 206, connect end plate, 207, drum, 208, support plinth, 209, locating end plate, 210, sleeve, 211, pulling block.
Embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiment of the present utility model is not limited to this.
Embodiment:
as Fig. 1～shown in Figure 3, the Neutron source assembly test unit that is used for the core instrument system, comprise operator's console 1, gear train 2, neutron carrying shield 3, pulley yoke 6, lifting rope 7 and horizontal racking device, wherein, operator's console 1 comprises the support of operating platform and supporting operating platform, operating platform is provided with the opening that runs through its upper and lower end face, neutron carrying shield 3 is arranged on the opening below of operating platform, the operating platform lower surface is connected with cask flask locating rack 5, be connected with cask flask 4 on cask flask locating rack 5, cask flask 4 adopts polythene material to make, the accommodation space that its inner formation has and neutron carrying shield 3 sizes are mated.
Gear train 2 comprises support plinth 208, support plate 201, rotating shaft 202, connecting link 203, transmission handgrip 204 and is connected to connection end plate 206 on support plate 201, support plinth 208 is fixed in the operating platform upper surface, and support plate 201 lower ends are arranged on support plinth 208.Rotating shaft 202 1 ends stretch in the axle sleeve that connects end plate 206, its other end vertical connecting 203 and being connected with connecting link 203, the other end of transmission handgrip 204 vertical connecting 203 and connection rotating shaft relative to connecting link 203 203 ends connects, rotating shaft 202, connecting link 203 and whole formation " Z " word of transmission handgrip 204 shape.The preferred wire rope that adopts of lifting rope 7, lifting rope 7 one ends are wrapped in rotating shaft 202, and its other end is connected with neutron carrying shield 3.As preferably, connect end plate 206 and be fixed on support plate 201 by hold-down nut 205, connect the relative both sides that end plate 206 and hold-down nut 205 lay respectively at support plate 201.Spacing for the lifting rope 7 that is wound around is carried out, be arranged with drum 207 in rotating shaft 202, consisting of on drum 207 has lifting rope to be wound around the space, is wound in lifting rope 7 in rotating shaft 202 and is positioned at lifting rope and is wound around the space.For the ease of connecting neutron carrying shield 3 and lifting rope 7, neutron carrying shield 3 tops are provided with screw, lifting rope 7 relatively is wrapped on the other end of rotating shaft 202 ends and is connected with lifting bolt, and the screw size coupling at this lifting bolt and neutron carrying shield 3 tops is embedded in the screw of neutron carrying shield 3.
Gear train also comprises self-locking device, locating end plate 209 and sleeve 210, locating end plate 209 is passed in rotating shaft 202, self-locking device comprises the axle sleeve of pulling block 211, spring and locating end plate 209, sleeve 210 is connected with locating end plate 209 sidewalls, pulling block 211 is arranged in rotating shaft 202, the lifting rope 7 that is wound in rotating shaft 202 passes sleeve 210, and both ends of the spring acts on respectively sleeve lining and the pulling block 211 of locating end plate 209.
Horizontal racking device comprises that slide block 8, leading screw 11 and 10, two supporting bases 10 of two supporting bases are arranged on respectively the two ends of operating platform lower surface, and leading screw 11 two ends lay respectively in two supporting bases 10.Be provided with the nut seat with nut on slide block 8, leading screw 11 passes nut and, the form fit big or small with nut on nut seat.Opening on operating platform is the rectangular aperture of horizontally set, and the operating platform upper surface is provided with two slide rails 9 that lay respectively at its opening both sides and horizontally set, and slide block 8 is arranged at slide rail 9 tops and nested being arranged on slide rail 9.Pulley yoke 6 is arranged on slide block 8 upper surfaces, and namely pulley yoke 6 is arranged at the opening part of operating platform, is provided with pulley on pulley yoke 6, and lifting rope 7 just is connected with neutron carrying shield 3 after walking around pulley yoke 6 top sheaves with the link of neutron carrying shield 3 and passing the opening of operating platform.For the ease of leading screw 11 is regulated, horizontal racking device also comprises leading screw rocking bar 12 and handle 13, leading screw 11 down-feed screw rocking bars 12 and one end are connected with leading screw rocking bar 12, the other end of handle 13 down-feed screw rocking bars 12 and connection relative with leading screw rocking bar 12 leading screw 11 ends connects, and namely leading screw 11, leading screw rocking bar 12 and handle 13 are also whole consists of " Z " word shape.
When being used for the Neutron source assembly test unit work of core instrument system, neutron source specific purpose tool gripping, be put in neutron carrying shield 3 by special-purpose guiding centering parts, after screwing rapidly, neutron carrying shield 3 is put in the tygon cask flask 4 that operator's console 1 carries, lifting bolt on lifting rope 7 is tightened in neutron carrying shield 3 top screws, take out neutron carrying shield 3, the alignment tube well head.The built-in self-locking device of gear train 2, by forward and reverse rotation transmission handgrip 204, lifting rope 7 moves up and down in the nuclear detector pipe well with neutron carrying shield 3 and keeps in the explorer response position.Turning handle 13 can change the position of slide block 8, and then changes the pulley position on pulley yoke 6, realizes lifting rope 7 and neutron carrying shield 3 whole lateral excursion in pipe well, makes neutron carrying shield 3 be able to rise smoothly in the pipe well that cable gathers or descend.Outside pipe well, when the Neutron source assembly test unit moved on to another pipe well from a pipe well, neutron carrying shield 3 was placed in the tygon cask flask 4 that operator's console carries.
As mentioned above, can well realize the utility model.

Claims (10)

1. be used for the Neutron source assembly test unit of core instrument system, it is characterized in that: comprise operator's console (1), gear train (2), neutron carrying shield (3), pulley yoke (6) and lifting rope (7), described operator's console (1) comprises operating platform, operating platform is provided with the opening that runs through its upper and lower end face, neutron carrying shield (3) is arranged on the opening below of operating platform, pulley yoke (6) is arranged at the opening part of operating platform, pulley yoke is provided with pulley on (6), described gear train (2) is fixed on the operating platform upper surface, gear train (2) comprises rotating shaft (202), described lifting rope (7) one ends are wrapped in rotating shaft (202), its other end is connected with neutron carrying shield (3) after walking around pulley yoke (6) top sheave and passing the opening of operating platform.
2. the Neutron source assembly test unit for the core instrument system according to claim 1, it is characterized in that: also comprise horizontal racking device, described horizontal racking device comprises slide block (8), leading screw (11) and two supporting bases (10), two supporting bases (10) are arranged on respectively the two ends of operating platform lower surface, described leading screw (11) two ends lay respectively in two supporting bases (10), slide block is provided with the nut seat with nut on (8), and described leading screw (11) passes nut and, the form fit big or small with nut on nut seat; Opening on described operating platform is the rectangular aperture of horizontally set, the operating platform upper surface is provided with two slide rails (9) that lay respectively at its opening both sides and horizontally set, described slide block (8) is arranged at slide rail (9) top and nested being arranged on slide rail (9), and described pulley yoke (6) is arranged on slide block (8) upper surface.
3. the Neutron source assembly test unit for the core instrument system according to claim 2, it is characterized in that: described horizontal racking device also comprises leading screw rocking bar (12) and handle (13), described leading screw (11) down-feed screw rocking bar (12) and one end are connected with leading screw rocking bar (12), and described handle (13) down-feed screw rocking bar (12) and the other end that connect leading screw (11) end relative to leading screw rocking bar (12) connect.
4. the Neutron source assembly test unit for the core instrument system according to claim 1, it is characterized in that: described gear train (2) also comprises support plate (201), support plinth (208), connecting link (203), transmission handgrip (204) and be connected to connection end plate (206) on support plate (201), described support plinth (208) is fixed in the operating platform upper surface, support plate (201) is arranged on support plinth (208), described rotating shaft (202) one ends stretch in the axle sleeve that connects end plate (206), its other end vertical connecting (203) and being connected with connecting link (203), described transmission handgrip (204) vertical connecting (203) and the other end connection of holding with the relative connection rotating shaft of connecting link (203) (203).
5. the Neutron source assembly test unit for the core instrument system according to claim 4, it is characterized in that: described connection end plate (206) is fixed on support plate (201) by hold-down nut (205), connects the relative both sides that end plate (206) and hold-down nut (205) lay respectively at support plate (201).
6. the Neutron source assembly test unit for the core instrument system according to claim 5, it is characterized in that: be arranged with drum (207) in described rotating shaft (202), described drum (207) is upper to be consisted of has lifting rope to be wound around the space, is wound in lifting rope (7) in rotating shaft (202) and is positioned at lifting rope and is wound around the space.
7. the Neutron source assembly test unit for the core instrument system according to claim 5, it is characterized in that: described gear train also comprises self-locking device, locating end plate (209) and sleeve (210), locating end plate (209) is passed in described rotating shaft (202), described self-locking device comprises pulling block (211), the axle sleeve of spring and locating end plate (209), described sleeve (210) is connected with locating end plate (209) sidewall, pulling block (211) is arranged in rotating shaft (202), described both ends of the spring acts on respectively sleeve lining and the pulling block (211) of locating end plate (209).
8. the described Neutron source assembly test unit for the core instrument system of any one according to claim 1～7, it is characterized in that: described neutron carrying shield (3) top is provided with screw, described lifting rope (7) relatively is wrapped on the other end of rotating shaft (202) end and is connected with lifting bolt, and this lifting bolt mates with the screw size at neutron carrying shield (3) top and is embedded in the screw of neutron carrying shield (3).
9. the described Neutron source assembly test unit for the core instrument system of any one according to claim 1～7, it is characterized in that: described operating platform lower surface is connected with cask flask locating rack (5), is connected with cask flask (4) on described cask flask locating rack (5).
10. the Neutron source assembly test unit for the core instrument system according to claim 9 is characterized in that: described cask flask (4) adopts polythene material to make.
CN2012207366392U 2012-12-28 2012-12-28 Neutron source assembly testing facility for nuclear instrumentation system Expired - Lifetime CN202976865U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103345947A (en) * 2013-07-10 2013-10-09 中科华核电技术研究院有限公司 Method for igniting nuclear reactor by using secondary neutron source
CN110975964A (en) * 2019-10-25 2020-04-10 散裂中子源科学中心 Design method and application of magnetic device
RU2771891C1 (en) * 2021-08-05 2022-05-13 Акционерное Общество "Российский Концерн По Производству Электрической И Тепловой Энергии На Атомных Станциях" Method for correcting the error of the readings of the power of a nuclear reactor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103345947A (en) * 2013-07-10 2013-10-09 中科华核电技术研究院有限公司 Method for igniting nuclear reactor by using secondary neutron source
CN103345947B (en) * 2013-07-10 2016-01-20 中科华核电技术研究院有限公司 Secondary neutron source is utilized to carry out the method for nuclear reactor igniting
CN110975964A (en) * 2019-10-25 2020-04-10 散裂中子源科学中心 Design method and application of magnetic device
RU2771891C1 (en) * 2021-08-05 2022-05-13 Акционерное Общество "Российский Концерн По Производству Электрической И Тепловой Энергии На Атомных Станциях" Method for correcting the error of the readings of the power of a nuclear reactor
RU2811570C1 (en) * 2023-09-13 2024-01-15 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" Method for determining parameters of volumetric distribution of nuclear fuel in stack of stopped uranium-graphite reactor

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Granted publication date: 20130605

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