CN206075837U - Used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism - Google Patents
Used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism Download PDFInfo
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- CN206075837U CN206075837U CN201620893145.3U CN201620893145U CN206075837U CN 206075837 U CN206075837 U CN 206075837U CN 201620893145 U CN201620893145 U CN 201620893145U CN 206075837 U CN206075837 U CN 206075837U
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- platform
- fuel assembly
- switching mechanism
- infinitely variable
- nuclear power
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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
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Abstract
The utility model discloses a kind of used in nuclear power station fuel assembly assembling overturns platform infinitely variable speeds switching mechanism, including platform, frame, turning device, the frame includes bearing and base, and the turning device includes motor and reductor；Rotary shaft is further fixed on the platform.This switching mechanism has more preferable environment space adaptability, that is, reach the convenient purpose installed of this switching mechanism；The assembling of fuel assembly and convenient storage thereon；The characteristics of this structure also has simple to operate；The characteristics of this structure is also with fixing safe and reliable to fuel assembly；Overturn by motor driven platform in this structure, therefore the purpose of platform reversal rate infinitely variable speeds can be realized by the rotating speed of motor；This structure running precision is high, is capable of achieving the high-precision control of platform flip angle；In this structure, the flip angle of platform can be bigger；This apparatus structure is simple, and manufacture and performance driving economy are good.
Description
Technical field
This utility model is related to switching mechanism technical field, more particularly to a kind of used in nuclear power station fuel assembly assembling upset
Platform infinitely variable speeds switching mechanism.
Background technology
Fuel assembly upset is one critical process in fuel assembly manufacture process, need to be by the fuel stack after being completed
Part by flip horizontal to 90 degree, in order to the lifting of fuel assembly.It is how safe and reliable fuel assembly to be carried out by technology
Upset, is the key technology of fuel assembly assembling upset platform.
Occur in that a kind of chain/tooth bar switching mechanism in prior art, this kind of switching mechanism is by overturning platform, chain/tooth
The parts such as bar, sprocket/gear, back-up roller wheel, motor are constituted.Realized using motor belt motor movable sprocket/gear rubbing chain/tooth bar flat
The upset of platform.Using by the upset mode of sprocket wheel drive chain or gear driving rack, have the following disadvantages：To chain/tooth
Bar is disposed with particular/special requirement, chain/tooth bar need to be arranged on upset platform into arc-shaped, and this allows for turning over for this type
Rotation mechanism to overturn platform profile have particular/special requirement, that is, need for side to be set to arc, due to its special shape and compared with
Big volume, in fuel assembly transfer route, which is connected inconvenience with the port of export of upper level equipment.
Utility model content
This utility model provides a kind of used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism, and this turns over
The fuel assembly transmission operation that rotation mechanism is used in fuel assembly manufacture process, which has less volume, being capable of convenient quilt
It is installed on the port of export of upper level equipment.
The used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism that this utility model is provided is by following
Technical essential carrys out solve problem：Used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism, including platform, be used for
The frame of platform, the turning device being arranged between platform and frame, the frame include bearing and base, the upset
Device includes that motor and reductor, the motor and reductor are both secured on base, and the input shaft of reductor is turned with motor
Son is connected；
Rotary shaft is further fixed on the platform, the rotary shaft is fixedly connected with the output shaft of reductor；
The support when bearing and base are kept flat for platform positioned at the different ends of platform, and bearing respectively.
Specifically, output torque can be used for, is subtracted as the assembling of fuel assembly and storage platform, above motor using upper mounting plate
, for torque is amplified, to adapt to platform is carried out overturning the torque of required size, the base is used as platform for fast machine
Load bearing component during upset to platform.
In above structure, using the platform as roll-over table, when fuel assembly is longer, also can be long by increasing platform
The method of degree so that platform is adapted to assembling, storage and the upset of fuel assembly, is different from existing tipper, it is not necessary to increase
The height of bearing and base, so so that this switching mechanism has more preferable environment space adaptability, that is, reach this tipper
The convenient purpose installed of structure；Simultaneously as the length of platform or width dimensions change do not affect the structure of bearing and base, therefore go back
It is easy to arrange bigger by the surface area of platform, to facilitate the assembling and storage of fuel assembly thereon.In this switching mechanism, control
The start and stop of motor and direction of rotation can complete the turning operation of platform, therefore this structure is the characteristics of also have simple to operate；Together
When, as in the case where height value is certain, this structure is easy to arrange longer by platform, therefore this structure is also with to fuel stack
The characteristics of part fixes safe and reliable；Overturn by motor driven platform in this structure, therefore platform can be realized by the rotating speed of motor
The purpose of reversal rate infinitely variable speeds；The turning device being made up of motor and reductor in this structure, running precision are high, are capable of achieving
The high-precision control of platform flip angle；The turning device being made up of motor and reductor in this structure, is different from prior art,
The flip angle of platform can be bigger, facilitates implementation 0 ~ 360 degree of optional position of platform and stops；This apparatus structure is simple, manufactures and transports
Row good economy performance.
Further technical scheme is：
As a kind of way of realization beneficial to turning device stress, bearing block, the bearing block on the base, are provided with
Bearing is provided with inside, the two ends of the rotary shaft are stretched out by the not homonymy of platform respectively, and the different ends of rotary shaft are worn respectively
In the bearing of different bearing blocks, any one end of rotary shaft is fixedly connected with the output shaft of reductor.
To realize after motor stalls, what platform can be stable stays in optional position, and the reductor is with self-locking
The worm reduction gear of function.This auto-lock function not only realizes deceleration compared to other self-locking ways of realization, while self-locking
Performance is good.
As platform can be as the assembly or fitting table of fuel assembly, therefore for ease of the tune of working platform face levelness when keeping flat
The height adjustable of the quality that whole, platform is connected with the upper level equipment port of export, the platform and/or base.In this programme, can lead to
Cross and flange is set at rest base edge and/or base bottom edge, be respectively positioned on so that multiple axis directions are respectively provided with upper flange
The internal thread through hole of vertical direction, is threadedly coupled an adjustment bolt in internal thread through hole, by rotating adjustment bolt, adjusts
Whole bolt is stretched out by the lower end of corresponding flange with the purpose of support carriers or base, degree of being up to the standard and height adjustment.
Angle is erected when erecting for ease of detection platform, also include filling for the detection for detecting rotary shaft rotational angle
Put.
Used as a kind of easy structure of detection means, the detection means includes pointer and the fixation being fixed in rotary shaft
Graduated disc on base.
After causing platform to turn to specified location in the presence of motor, motor can be automatically stopped, to realize to turning over
The protection of rotary device and platform is automatically stopped in desired location, also include that the contact being connected with the control circuit of motor is opened
Close, in the rotary course of platform, the part on the platform or platform can be contacted with contact switch, and the contact switch is used for
The power supply of cut-out motor.Can be detection means with the part on upper mounting plate, the pointer being such as fixed in rotary shaft, or
Fuel assembly being fixed on platform etc..
The contact switch is two, and two contact switch are respectively used to two dead-centre positions that control platform is stopped,
Two dead-centre positions are the set-up positions that the flat position that platform is placed on bearing and platform are supported by base completely respectively,
When platform is contacted with bearing, the part on platform or platform touches one of contact switch and platform is become by set-up positions
After being changed to flat position, motor is out of service；After the set-up positions that platform turns to needed for raised state reaches around rotary shaft
When, the part on platform or platform touches another contact switch, and motor is out of service, completes platform from square position to erecting
The conversion of position.
To realize that bearing and base are connected with mill floor, the security reliability and position being beneficial to when mechanism works is steady
Qualitative, the bottom of the bearing and base is provided with foundation bolt.
For ease of fuel assembly is constrained on platform, it is to avoid when platform overturns, fuel assembly falls, beneficial to fuel assembly
Safety, be additionally provided with fuel assembly fixing device on the platform, the fuel assembly fixing device is for by fuel stack
Part is fixed on platform.Above fixing device can be using anchor ear, static line etc..
This utility model has the advantages that：
Using the platform as roll-over table, when fuel assembly is longer, the method that can also pass through to increase land lengths makes
Platform is adapted to the assembling of fuel assembly, storage and overturns, be different from existing tipper, it is not necessary to increase bearing and base
Highly, so so that this switching mechanism has more preferable environment space adaptability, that is, reach the convenient installation of this switching mechanism
Purpose；Simultaneously as the length of platform or width dimensions change do not affect the structure of bearing and base, therefore it is also convenient for platform
Surface area arranges bigger, to facilitate the assembling and storage of fuel assembly thereon.In this switching mechanism, the start and stop of controlled motor and
Direction of rotation can complete the turning operation of platform, therefore this structure is the characteristics of also have simple to operate；Simultaneously as in height
In the case that value is certain, this structure is easy to arrange longer by platform, thus this structure also with safety is fixed to fuel assembly can
By the characteristics of；Overturn by motor driven platform in this structure, therefore can realize that platform reversal rate is stepless by the rotating speed of motor
The purpose of speed change；The turning device being made up of motor and reductor in this structure, running precision are high, are capable of achieving platform flip angle
High-precision control；The turning device being made up of motor and reductor in this structure, is different from prior art, the flip angle of platform
Degree can be bigger, facilitates implementation 0 ~ 360 degree of optional position of platform and stops；This apparatus structure is simple, and manufacture and performance driving economy are good；This
Mechanism's upset also suitable for other parts similar with fuel assembly.
Description of the drawings
Fig. 1 is used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism described in the utility model
The structural front view of specific embodiment；
Fig. 2 is used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism described in the utility model
The structure top view of specific embodiment.
Numbering in figure is followed successively by：1st, bearing, 2, platform, 3, reductor, 4, base, 5, detection means, 6, rotary shaft, 7,
Motor.
Specific embodiment
With reference to embodiment, the utility model is described in further detail, but structure of the present utility model is not only
It is limited to following examples.
Embodiment 1：
As depicted in figs. 1 and 2, used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism, including platform
2nd, for the frame for supporting of platform 2, the turning device being arranged between platform 2 and frame, the frame includes bearing 1 and base
4, the turning device includes that motor 7 and reductor 3, the motor 7 and reductor 3 are both secured on base 4, reductor 3
Input shaft is connected with the rotor of motor 7；
Rotary shaft 6 is further fixed on the platform 2, the rotary shaft 6 is fixedly connected with the output shaft of reductor 3；
The bearing 1 and base 4 are respectively positioned at the different ends of platform 2, and bearing 1 is used for support when platform 2 keeps flat.
Specifically, can be used as the assembling of fuel assembly and storage platform 2 using upper mounting plate 2, above motor 7 is used for output and turns
Square, reductor 3 for torque is amplified, to adapt to platform 2 is carried out overturning the torque of required size, the base 4
Load bearing component when overturning as platform 2 to platform 2.
In above structure, using the platform 2 as roll-over table, when fuel assembly is longer, also can be by increasing platform 2
The method of length so that platform 2 is adapted to assembling, storage and the upset of fuel assembly, is different from existing tipper, it is not necessary to increase
Plus the height of bearing 1 and base 4, so so that this switching mechanism has more preferable environment space adaptability, that is, reach and originally turn over
The convenient purpose installed of rotation mechanism；Simultaneously as the length of platform 2 or width dimensions change do not affect the knot of bearing 1 and base 4
Structure, therefore be also convenient for arranging bigger by the surface area of platform 2, to facilitate the assembling and storage of fuel assembly thereon.This tipper
In structure, the start and stop of controlled motor 7 and direction of rotation can complete the turning operation of platform 2, therefore this structure also has operation letter
Single the characteristics of；Simultaneously as in the case where height value is certain, this structure is easy to arrange longer by platform 2, therefore this structure is also
The characteristics of with fixing safe and reliable to fuel assembly；Drive platform 2 to overturn by motor 7 in this structure, therefore motor 7 can be passed through
Rotating speed, realize the purpose of 2 reversal rate infinitely variable speeds of platform；Filled by the upset that motor 7 and reductor 3 are constituted in this structure
Put, running precision is high, be capable of achieving the high-precision control of 2 flip angle of platform；It is made up of motor 7 and reductor 3 in this structure
Turning device, is different from prior art, and the flip angle of platform 2 can be bigger, facilitates implementation 0 ~ 360 degree of optional position of platform and stops
Only；This apparatus structure is simple, and manufacture and performance driving economy are good.
Embodiment 2：
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1：As a kind of beneficial to upset
The way of realization of device stress, is provided with bearing block on the base 4, bearing, the rotation are provided with the bearing block
The two ends of axle 6 are stretched out by the not homonymy of platform 2 respectively, and the different ends of rotary shaft 6 are arranged in the bearing of different bearing blocks respectively
Interior, any one end of rotary shaft 6 is fixedly connected with the output shaft of reductor 3.
After realizing that motor 7 stops operating, what platform 2 can be stable stays in optional position, and the reductor 3 is with certainly
The worm reduction gear 3 of lock function.This auto-lock function not only realizes deceleration compared to other self-locking ways of realization, while
Self-locking property is good.
As platform 2 can be as the assembly or fitting table of fuel assembly, therefore for ease of the tune of platform 2 work surface levelness when keeping flat
The height adjustable of the quality that whole, platform 2 is connected with the upper level equipment port of export, the platform 2 and/or base 4.In this programme,
Can be by arranging flange in 1 bottom margin of bearing and/or 4 bottom margin of base, so that multiple axis directions are respectively provided with upper flange
The internal thread through hole of vertical direction is respectively positioned on, an adjustment bolt is threadedly coupled in internal thread through hole, by rotating adjustment
Bolt, adjustment bolt are stretched out by the lower end of corresponding flange with the mesh of support carriers 1 or base 4, degree of being up to the standard and height adjustment
's.
Angle is erected when erecting for ease of detection platform 2, also include filling for the detection for detecting 6 rotational angle of rotary shaft
Put 5.
As a kind of easy structure of detection means 5, the detection means 5 include the pointer being fixed in rotary shaft 6 and
The graduated disc being fixed on base 4.
After causing platform 2 to turn to specified location in the presence of motor 7, motor 7 can be automatically stopped, right to realize
The protection of turning device and platform 2 is automatically stopped in desired location, also include that what is be connected with the control circuit of motor 7 is touched
Point switch, in the rotary course of platform 2, the part on the platform 2 or platform 2 can be contacted with contact switch, the contact
Switch for cutting off the power supply of motor 7.Can be detection means 5 with the part on upper mounting plate 2, as being fixed in rotary shaft 6
Pointer, it is also possible to fuel assembly being affixed on platform 2 etc..
The contact switch is two, and two contact switch are respectively used to two dead-centre positions that control platform 2 is stopped,
Two dead-centre positions are that the flat position that platform 2 is placed on bearing 1 and platform 2 erect position by what base 4 was supported completely respectively
Put, when platform 2 is contacted with bearing 1, part on platform 2 or platform 2 touch one of contact switch cause platform 2 by
After set-up positions are transformed to flat position, motor 7 is out of service；Turn to needed for raised state reaches around rotary shaft 6 in platform 2
Set-up positions after when, the part on platform 2 or platform 2 touches another contact switch, and motor 7 is out of service, completes platform 2
From square position to the conversion of set-up positions.
To realize that bearing 1 and base 4 are connected with mill floor, be beneficial to mechanism work when security reliability and position
The bottom of stability, the bearing 1 and base 4 is provided with foundation bolt.
Embodiment 3：
As depicted in figs. 1 and 2, the base of any one technical scheme that the present embodiment is provided in any of the above one embodiment
It is further qualified on plinth：For ease of fuel assembly is constrained on platform 2, it is to avoid when platform 2 overturns, fuel assembly falls, profit
Fuel assembly fixing device is additionally provided with the safety of fuel assembly, the platform 2, the fuel assembly fixing device is used
In fuel assembly being fixed on platform 2.Above fixing device can be using anchor ear, static line etc..
Above content is the further description made to this utility model with reference to specific preferred implementation, it is impossible to recognized
Fixed specific embodiment of the present utility model is confined to these explanations.For the common skill of this utility model art
For art personnel, the other embodiment drawn under without departing from the technical solution of the utility model should be included in practical
In new protection domain.
Claims (10)
1. used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism, including platform（2）, for platform（2）
The frame of support, it is arranged at platform（2）Turning device between frame, it is characterised in that the frame includes bearing（1）And bottom
Seat（4）, the turning device includes motor（7）And reductor（3）, the motor（7）And reductor（3）It is both secured to base
（4）On, reductor（3）Input shaft and motor（7）Rotor be connected；
The platform（2）On be further fixed on rotary shaft（6）, the rotary shaft（6）With reductor（3）Output shaft be fixedly connected；
The bearing（1）And base（4）Platform is located at respectively（2）Different ends, and bearing（1）For platform（2）When keeping flat
Support.
2. used in nuclear power station fuel assembly assembling according to claim 1 overturns platform infinitely variable speeds switching mechanism, its feature
It is, the base（4）On be provided with bearing block, bearing, the rotary shaft are provided with the bearing block（6）Two ends point
Not by platform（2）Not homonymy stretch out, and rotary shaft（6）Different ends be arranged in the bearing of different bearing blocks respectively, rotate
Axle（6）Any one end and reductor（3）Output shaft be fixedly connected.
3. used in nuclear power station fuel assembly assembling according to claim 1 overturns platform infinitely variable speeds switching mechanism, its feature
It is, the reductor（3）It is the worm reduction gear with auto-lock function.
4. used in nuclear power station fuel assembly assembling according to claim 1 overturns platform infinitely variable speeds switching mechanism, its feature
It is, the platform（2）Height adjustable.
5. used in nuclear power station fuel assembly assembling according to claim 1 overturns platform infinitely variable speeds switching mechanism, its feature
It is also to include for detecting rotary shaft（6）The detection means of rotational angle.
6. used in nuclear power station fuel assembly assembling according to claim 5 overturns platform infinitely variable speeds switching mechanism, its feature
It is that the detection means includes being fixed on rotary shaft（6）On pointer and be fixed on base（4）On graduated disc.
7. used in nuclear power station fuel assembly assembling according to claim 1 overturns platform infinitely variable speeds switching mechanism, its feature
It is also to include and motor（7）Control circuit be connected contact switch, in platform（2）Rotary course in, the platform
（2）Or platform（2）On part can contact with contact switch, the contact switch be used for cut off motor（7）Power supply.
8. used in nuclear power station fuel assembly assembling according to claim 7 overturns platform infinitely variable speeds switching mechanism, its feature
It is that the contact switch is two, and two contact switch are respectively used to control platform（2）Two dead-centre positions for being stopped.
9. used in nuclear power station fuel assembly assembling according to claim 1 overturns platform infinitely variable speeds switching mechanism, its feature
It is, the bearing（1）And base（4）Bottom be provided with foundation bolt.
10. used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds as claimed in any of claims 1 to 9 are turned over
Rotation mechanism, it is characterised in that the platform（2）On be additionally provided with fuel assembly fixing device, the fuel assembly fixing device
For fuel assembly is fixed on platform（2）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620893145.3U CN206075837U (en) | 2016-08-17 | 2016-08-17 | Used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620893145.3U CN206075837U (en) | 2016-08-17 | 2016-08-17 | Used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206075837U true CN206075837U (en) | 2017-04-05 |
Family
ID=58430533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620893145.3U Active CN206075837U (en) | 2016-08-17 | 2016-08-17 | Used in nuclear power station fuel assembly assembling upset platform infinitely variable speeds switching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206075837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2768977C1 (en) * | 2021-11-01 | 2022-03-28 | Федеральное государственное бюджетное учреждение науки Институт гидродинамики им. М.А. Лаврентьева Сибирского отделения Российской академии наук (ИГиЛ СО РАН) | Tilter for spent fuels assembly (sfa) |
-
2016
- 2016-08-17 CN CN201620893145.3U patent/CN206075837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2768977C1 (en) * | 2021-11-01 | 2022-03-28 | Федеральное государственное бюджетное учреждение науки Институт гидродинамики им. М.А. Лаврентьева Сибирского отделения Российской академии наук (ИГиЛ СО РАН) | Tilter for spent fuels assembly (sfa) |
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