CN207610678U - A kind of fuel assembly deformation detection probe rack position adaptive device - Google Patents
A kind of fuel assembly deformation detection probe rack position adaptive device Download PDFInfo
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- CN207610678U CN207610678U CN201721863324.3U CN201721863324U CN207610678U CN 207610678 U CN207610678 U CN 207610678U CN 201721863324 U CN201721863324 U CN 201721863324U CN 207610678 U CN207610678 U CN 207610678U
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Abstract
The utility model is related to fuel assembly model deformation field of measuring technique, specifically disclose a kind of fuel assembly deformation detection probe rack position adaptive device.The device includes sliding folding mechanism and driving mechanism waterborne, wherein, it includes sliding support ontology, rack body to slide foldable mechanism, wherein, sliding support ontology is elongated thin-wall construction with rack body, the two is connected by several horizontally disposed sliding axis mechanisms, and several positive jacking mechanisms by being vertically mounted between sliding support ontology and rack body ensure the gap moved between the two；Driving mechanism waterborne can drive sliding folding mechanism to move along a straight line, and self-locking at an arbitrary position.The device can realize the linear motion of total kilometres 1660mm, whole installation process does not need human intervention substantially, security risk is substantially reduced, and is folded up after having checked and can ensure that underwater component exposes the surface to greatest extent, avoids equipment long period of soaking in high radioactivity water.
Description
Technical field
The invention belongs to fuel assembly model deformation field of measuring technique, and in particular to a kind of fuel assembly deformation detection spy
Head rack position adaptive device.
Background technology
There are deficiencies below for existing fuel assembly device for detecting deformation：Detection device underwater component maximum stroke movement
It, can not be directly across due to the crane height limitation of fuel plant, during causing whole equipment to install and hang out for 300mm
Pond fence, whole installation process are required for human intervention, and there are huge security risks；Due to the entire length of underwater component
It is long, lead to that if the underwater component in the state that fuel plant water level in water pool is not high the water surface can not be completely exposed, equipment is long-term
It is immersed in high radioactivity water, its reduced service life can be caused；Limitation of the underwater component due to result, it is positive and lateral
Movement clearance is excessive, and under the action of turbulent water, probe is fixed on sliding support ontology, but sliding support ontology is opposite
There is positive and lateral free vibration among fixing bracket, influences measurement accuracy；The direct cantilever of underwater component is by hanging over waterborne group
On part hook, sliding support ontology relies only on support batter and is supported on the side wall of fuel channel, but overall structure meeting
It is integrally shaken with the disturbance or sliding support ontology up and down motion process of flow, is unfavorable for measurement accuracy；Component pressure waterborne
When plate assembly installation is pressed on support plate, since fuel channel upper surface and support plate upper surface are smooth, installation process is shaken
Dynamic serious, no positioning datum greatly prolongs the set-up time.
Invention content
The purpose of the present invention is to provide a kind of fuel assembly deformation detection probe rack position adaptive devices, can solve existing
The deficiency of fuel assembly deformation measuring device.
Technical scheme is as follows：A kind of fuel assembly deformation detection probe rack position adaptive device, the device packet
Including sliding folding mechanism and driving mechanism waterborne, wherein sliding foldable mechanism includes sliding support ontology, rack body,
In, sliding support ontology is elongated thin-wall construction with rack body, and the two passes through several horizontally disposed sliding axis mechanism phases
Connection, and several positive jacking mechanisms by being vertically mounted between sliding support ontology and rack body ensure the two
Between the gap that moves；Driving mechanism waterborne can drive sliding folding mechanism to move along a straight line, and self-locking at an arbitrary position.
The sliding folding mechanism further includes inserting plug soon, can make sliding support ontology and holder sheet using fast plug of inserting
Body is completely superposed and fixes.
The sliding axis mechanism includes T-shaped sliding pin, rolls sliding sleeve and nut, wherein is cased with the fourth for rolling sliding sleeve
Word sliding pin is mounted between sliding support ontology and rack body, and make on the outer round surface and rack body of rolling sliding sleeve plus
The 1660mm long waist type grooves of work match, and are pushed up with the forward direction in rack body vertical direction using sliding support ontology is mounted on
Tight mechanism ensures the moderate no vibration in entire motion gap.
The positive jacking mechanism includes sliding ball, spring positioning axis, spring positioning set, support spring and sliding axle branch
Support, sliding axle support are fixed on across rack body, and by spring positioning set on rack body, and the spring for being cased with support spring is fixed
Position axis is mounted on spring positioning and covers between sliding axle support, and provides top using support spring for spring positioning axis linear motion
Clamp force is equipped with sliding ball in spring positioning axis upper end, and sliding ball is held out against by the elastic force of support spring on sliding support ontology, for cunning
Dynamic rack body and rack body provide support.
It is machined with boss in the sliding axle support, as the detent mechanism of support spring, ensures support spring
Positioning.
It is additionally provided with lateral positioning mechanism between the sliding support ontology and rack body horizontal direction, wherein lateral
Detent mechanism includes sliding ball fixing bracket, sliding ball, wherein sliding ball fixing bracket is mounted on sliding support ontology, and makes installation
Cunning ball on sliding ball fixing bracket is in contact with rack body, and it is rolling to make the contact between sliding support ontology and rack body
Dynamic friction.
The driving mechanism waterborne includes support plate, worm screw turbine assembly and hook, wherein hook is directly welded at
In support plate, and top-fastening rod is installed on hook, hook can be blocked, prevent from hanging over underwater component on hook around
Fulcrum rotates and abjection hook；Worm screw turbine assembly is installed on the supporting plate, hoisting mechanism can be driven, and there is self-locking work(
Energy.
The remarkable result of the present invention is：A kind of fuel assembly deformation detection probe rack position of the present invention adapts to dress
It sets, driving mechanism waterborne drives hoisting mechanism to roll and is connected to subaqueous slumping using the high worm screw turbine assembly of safety coefficient
Steel wire rope on rack body, it can be achieved that total kilometres 1660mm linear motion, and at an arbitrary position can self-locking, ensure in spare part
It is detectable to be in gamut in certain altitude；Hoisting process can after sliding support ontology coincidence of a folding complete with rack body
Directly across pond fence, whole installation process does not need human intervention substantially, substantially reduces security risk, and checked
After fold up and can ensure that underwater component exposes the surface to greatest extent, avoid equipment long period of soaking in high radioactivity water；Entirely
Tightly on sliding support ontology, branch is provided between sliding support ontology, rack body eventually by sliding top dome for tightening mechanism
Support, ensure its forward direction will not with the disturbance of flow or other factors vibration, from the point of view of site inspection data, ultrasonic wave letter
Number stabilization；Move rack body, the contact form of rack body is changed to rolling friction by sliding friction, the side positioned using contact ball
Formula substantially reduces frictional force, to reduce driving force, mitigates person works' intensity to a certain extent.
Description of the drawings
Fig. 1 is to slide foldable machine in a kind of fuel assembly deformation detection probe rack position adaptive device of the present invention
Structure structural schematic diagram；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is partial enlarged view at A in Fig. 2；
Fig. 4 is partial enlarged view at B in Fig. 2；
Fig. 5 is partial enlarged view at C in Fig. 2；
Fig. 6 is driving mechanism structure schematic diagram waterborne in a kind of fuel assembly deformation detection probe rack position adaptive device；
Fig. 7 is the front view of Fig. 6；
In figure：1, support component；2, sliding support ontology；3, rack body；4, plug is inserted soon；5, T-shaped sliding pin；6、
Roll sliding sleeve；7, nut；8, sliding ball fixing bracket；9, sliding ball；10, spring positioning axis；11, spring positioning set；12, bullet is supported
Spring；13, sliding axle supports；14, clamp assembly；15, support plate；16, Anchor plate kit；17, worm screw turbine assembly；18, top-fastening rod；
19, it links up with.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment invention is further described in detail.
As shown in figs. 1 to 6, a kind of fuel assembly deformation detection probe rack position adaptive device, including the foldable machine of sliding
Structure and driving mechanism waterborne, wherein sliding foldable mechanism includes that sliding can support component 1, sliding support ontology 2, holder sheet
Body 3 and soon slotting plug 4, wherein sliding support ontology 2 is elongated thin-wall construction with rack body 3, and the two passes through several water
The sliding axis mechanism that plain cloth is set be connected, it can be achieved that 1660mm strokes relative motion, and by being vertically mounted on sliding support
Several positive jacking mechanisms between ontology 2 and rack body 3 ensure the gap moved between the two；Moving to peak
When, so that sliding support ontology 2 is completely superposed and is fixed with rack body 3 by the fast plug 4 of inserting on rack body 3；Wherein, sliding
Movable shaft mechanism includes T-shaped sliding pin 5, rolls sliding sleeve 6 and nut 7, wherein is cased with the peace of T-shaped sliding pin 5 for rolling sliding sleeve 6
Between sliding support ontology 2 and rack body 3, and make to process on the outer round surface of rolling sliding sleeve 6 and rack body 3
1660mm long waist type grooves match, and utilize and held out against with the forward direction in 3 vertical direction of rack body mounted on sliding support ontology 2
Mechanism ensures the moderate no vibration in entire motion gap；Wherein, positive jacking mechanism include sliding ball 9, spring positioning axis 10,
Spring positioning set 11, support spring 12 and sliding axle support 13, sliding axle support 13 passes through rack body 3, and spring is determined
Position set 11 is fixed on rack body 3, and the spring positioning axis 10 for being cased with support spring 12 is mounted on spring positioning set 11 and sliding
Between axis support 13, and pressure is provided for the linear motion of spring positioning axis 10 using support spring 12；Wherein, in sliding axle branch
It is machined with boss in support 13, as the detent mechanism of support spring 12, ensures the positioning of support spring 12；In spring positioning axis 10
Upper end is equipped with sliding ball 9, and sliding ball 9 is held out against by the elastic force of support spring 12 on sliding support ontology 2, is sliding support ontology 2
And rack body 3 provide support, ensure its forward direction will not with the disturbance of flow or other factors vibration；In sliding support sheet
It is also equipped with lateral positioning mechanism between 3 horizontal direction of body 2 and rack body, wherein lateral positioning mechanism includes that sliding ball is fixed
Holder 8, sliding ball 9, wherein sliding ball fixing bracket 8 is mounted on sliding support ontology 2, and makes to be mounted on sliding ball fixing bracket 8
Cunning ball 9 be in contact with rack body 3, it is rolling friction to make contact between sliding support ontology 2 and rack body 3；
Driving mechanism waterborne includes support plate 15, worm screw turbine assembly 17 and hook 19, wherein hook 19 directly welds
In support plate 15, and top-fastening rod 18 is installed on hook 19, hook 19 can be blocked, prevents from hanging on hook 19
Underwater component rotates around fulcrum and deviates from hook 19；Worm screw turbine assembly 17 is installed in support plate 15, volume can be driven
Mechanism is raised, and there is self-locking function；Anchor plate kit 16 is mounted in support plate 15, and is equipped with clamping in 16 end of Anchor plate kit
Component 14；Driving mechanism waterborne drives hoisting mechanism to roll and is connected to subaqueous slumping rack body 2 by worm screw turbine assembly 17
On steel wire rope, it can be achieved that total kilometres 1660mm linear motion, and at an arbitrary position can self-locking, ensure at spare part certain
Gamut is detectable in height.
Claims (7)
- The rack position adaptive device 1. a kind of fuel assembly deformation detection is popped one's head in, it is characterised in that：The device includes sliding folding machine Structure and driving mechanism waterborne, wherein sliding foldable mechanism includes sliding support ontology (2), rack body (3), wherein sliding Rack body (2) is elongated thin-wall construction with rack body (3), and the two is connected by several horizontally disposed sliding axis mechanisms It connects, and several positive jacking mechanisms by being vertically mounted between sliding support ontology (2) and rack body (3) ensure two The gap moved between person；Driving mechanism waterborne can drive sliding folding mechanism to move along a straight line, and self-locking at an arbitrary position.
- The rack position adaptive device 2. a kind of fuel assembly deformation detection according to claim 1 is popped one's head in, it is characterised in that：Institute The sliding folding mechanism stated further includes inserting plug (4) soon, can make sliding support ontology (2) and holder sheet using fast plug (4) of inserting Body (3) is completely superposed and fixes.
- The rack position adaptive device 3. a kind of fuel assembly deformation detection according to claim 1 is popped one's head in, it is characterised in that：Institute The sliding axis mechanism stated includes T-shaped sliding pin (5), rolls sliding sleeve (6) and nut (7), wherein is cased with and rolls sliding sleeve (6) T-shaped sliding pin (5) is mounted between sliding support ontology (2) and rack body (3), and makes the outer round surface of rolling sliding sleeve (6) Match with the 1660mm long waist type grooves processed on rack body (3), and using mounted on sliding support ontology (2) and holder sheet Positive jacking mechanism in body (3) vertical direction ensures the moderate no vibration in entire motion gap.
- The rack position adaptive device 4. a kind of fuel assembly deformation detection according to claim 1 is popped one's head in, it is characterised in that：Institute The positive jacking mechanism stated includes sliding ball (9), spring positioning axis (10), spring positioning set (11), support spring (12) and slides Shafts support (13), sliding axle supports (13) to pass through rack body (3), and spring positioning set (11) is fixed on rack body (3) on, be cased with support spring (12) spring positioning axis (10) be mounted on spring positioning set (11) and sliding axle support (13) it Between, and pressure is provided for spring positioning axis (10) linear motion using support spring (12), in spring positioning axis (10) upper end Equipped with sliding ball (9), sliding ball (9) is held out against by the elastic force of support spring (12) on sliding support ontology (2), is sliding support sheet Body (2) and rack body (3) provide support.
- The rack position adaptive device 5. a kind of fuel assembly deformation detection according to claim 4 is popped one's head in, it is characterised in that：Institute It is machined with boss in the sliding axle support (13) stated, as the detent mechanism of support spring (12), ensures support spring (12) Positioning.
- The rack position adaptive device 6. a kind of fuel assembly deformation detection according to claim 1 is popped one's head in, it is characterised in that：Institute It is additionally provided with lateral positioning mechanism between the sliding support ontology (2) stated and rack body (3) horizontal direction, wherein lateral register Mechanism includes sliding ball fixing bracket (8), sliding ball (9), wherein and sliding ball fixing bracket (8) is mounted on sliding support ontology (2), And the cunning ball (9) being mounted on sliding ball fixing bracket (8) is made to be in contact with rack body (3), make sliding support ontology (2) and branch Contact between frame ontology (3) is rolling friction.
- The rack position adaptive device 7. a kind of fuel assembly deformation detection according to claim 1 is popped one's head in, it is characterised in that：Institute The driving mechanism waterborne stated includes support plate (15), worm screw turbine assembly (17) and hook (19), wherein hook (19) is direct It is welded in support plate (15), and top-fastening rod (18) is installed on hook (19), hook (19) can be blocked, prevent from hanging Underwater component on hook (19) rotates around fulcrum and deviates from hook (19)；Worm screw turbine is installed in support plate (15) Component (17) can drive hoisting mechanism, and have self-locking function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863324.3U CN207610678U (en) | 2017-12-27 | 2017-12-27 | A kind of fuel assembly deformation detection probe rack position adaptive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863324.3U CN207610678U (en) | 2017-12-27 | 2017-12-27 | A kind of fuel assembly deformation detection probe rack position adaptive device |
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| Publication Number | Publication Date |
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| CN207610678U true CN207610678U (en) | 2018-07-13 |
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| CN201721863324.3U Active CN207610678U (en) | 2017-12-27 | 2017-12-27 | A kind of fuel assembly deformation detection probe rack position adaptive device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974640A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of fuel assembly deformation detection probe rack position adaptive device |
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2017
- 2017-12-27 CN CN201721863324.3U patent/CN207610678U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974640A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of fuel assembly deformation detection probe rack position adaptive device |
| CN109974640B (en) * | 2017-12-27 | 2023-12-26 | 核动力运行研究所 | Position adapting device for deformation detection probe frame of fuel assembly |
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