CN207864890U - A kind of steam generator heat-transfer pipe swelling clamping device - Google Patents
A kind of steam generator heat-transfer pipe swelling clamping device Download PDFInfo
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- CN207864890U CN207864890U CN201721872699.6U CN201721872699U CN207864890U CN 207864890 U CN207864890 U CN 207864890U CN 201721872699 U CN201721872699 U CN 201721872699U CN 207864890 U CN207864890 U CN 207864890U
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- heat
- swelling
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Abstract
The utility model belongs to steam generator heat-transfer pipe non-destructive testing and maintenance technique field, and in particular to a kind of steam generator heat-transfer pipe swelling clamping device；The device includes outer shell and inner casing；Inner casing is arranged in outer shell, and outer shell pushes inner casing to pass in and out heat-transfer pipe, and makes inner casing swelling in heat-transfer pipe or unclamp to exit heat-transfer pipe；The outer shell includes outer cylinder sheath, allows hole spring and outer shell sealing ring；The outer cylinder sheath is cylindrical tube shape structure, outer cylinder sheath bottom surface is provided with into pipe air inlet, outer cylinder sheath inner wall middle and lower part is machined with annular groove, outer shell sealing ring is set in annular groove, outer cylinder sheath upper bottom surface is machined with through-hole, and outer cylinder sheath upper bottom surface lower part is machined with ring spring slot, and hole spring is allowed to be arranged in ring spring slot, inner casing is arranged in outer cylinder sheath, inner casing top and allows hole spring compression；After the ventilation boosting into outer cylinder sheath, pushes inner casing to overcome and the active force of hole spring is allowed to move up, swelling in heat-transfer pipe is stretched at the top of inner casing.
Description
Technical field
The invention belongs to the non-destructive testings of steam generator heat-transfer pipe and similar devices and maintenance technique field, and in particular to
A kind of steam generator heat-transfer pipe swelling clamping device.
Background technology
In order to ensure nuclear power station key equipment steam generator safe and reliable operation, it is necessary to periodically be examined to its heat-transfer pipe
It repaiies.More common way is periodically to carry out heat-transfer pipe by positioning robot with means such as eddy current inspection, pluggings in the world
Inservice inspection, to there are the heat-transfer pipes of excessive defect, and the technological means such as plugging to be taken to keep its retired in time, to ensure nuclear power station safety
Row for the national games.
Steam generator hydroecium is a hemispherical, and hydroecium ball interior is smooth, is distributed by rule on hemispheroidal tube sheet
Heat-transfer pipe is arranged, generally at positive triangle or square arrangement on steam generator tube sheet, heat-transfer pipe is usually wall thickness
A little several millimeters.Automation inspection equipment will realize in general the indoor operation of steam generator water can utilize manhole
Flange face or tube sheet heat-transfer pipe nozzle are as attachment point, and to enable automation inspection equipment to realize, heat-transfer pipe vortex such as is examined
It looks into, the work such as pipe end welding inspection.Check that equipment is alternately clamped on the tube sheet of heat-transfer pipe to realize to passing by clamping device
Eddy current probe after the completion of positioning, is inserted into corresponding heat-transfer pipe and implements to check by the positioning function of heat pipe.
Invention content
The purpose of the present invention is to provide a kind of steam generator heat-transfer pipe swelling clamping devices, in order to give steam generator
Heat-transfer pipe automation inspection equipment provides reliable swelling clamping function, and being realized in steam generator tube sheet for can stablizing is gone
Walk function.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of steam generator heat-transfer pipe swelling clamping device, the device include outer shell and inner casing；Inner casing is arranged in outer shell
Interior, outer shell pushes inner casing to pass in and out heat-transfer pipe, and makes inner casing swelling in heat-transfer pipe or unclamp to exit heat-transfer pipe；
The outer shell includes outer cylinder sheath, allows hole spring and outer shell sealing ring；
The outer cylinder sheath is cylindrical tube shape structure, and outer cylinder sheath bottom surface is provided with into pipe air inlet, outer cylinder sheath inner wall middle and lower part
It is machined with annular groove, outer shell sealing ring is set in annular groove, outer cylinder sheath upper bottom surface is machined with through-hole, under outer cylinder sheath upper bottom surface
Portion is machined with ring spring slot, allow hole spring be arranged in ring spring slot, inner casing be arranged in outer cylinder sheath, inner casing top with allow
Hole spring compression when inner casing moves up, stretches out outer cylinder sheath at the top of inner casing by outer cylinder sheath upper bottom surface through-hole；
Under normality, inner casing is allowing under the active force of hole spring, and inner casing is pushed to outer cylinder sheath bottom, under by outer cylinder sheath
Bottom surface enters pipe air inlet and ventilates into outer cylinder sheath boosting, pushes inner casing to overcome and the active force of hole spring is allowed to move up, inner casing top
Portion stretches into swelling in heat-transfer pipe across outer cylinder sheath.
The inner casing includes sleeve, card, core bar, core print seat, piston, locking spring, reply bullet circle, guide sleeve, cylinder rolling
Son, swelling air admission hole, retraction air inlet, sealing ring, inner casing lower seal, floating spring seat and end cap on inner casing；
The sleeve is cylindrical tube structure, is machined with ring-type limiting table on the inside of sleeve epimere, sleeve bottom is provided with close
Capping is arranged inner casing lower seal and seals between sealing cover and sleeve lining；
The piston is cylindrical tube shape structure, and piston is arranged in sleeve, and piston is erected at sealing cover by locking spring
On, piston is sealed with sealing ring on inner casing is arranged at barrel contacts；
The piston cavity is inverted trapezoidal pore structure, and the core print seat is arranged in piston, and the floating spring seat setting exists
Sleeve ring-type limiting table lower part, floating spring seat epimere coordinate with sleeve ring-type limiting table annular surface, and sealing ring sealing is arranged；
Floating spring seat center is machined with through-hole, and core print seat is arranged in floating spring block hole, and core print seat can be along floating
Spring base moves up and down, and core print seat epimere is sealed with floating spring seated connection contacting surface setting sealing ring；
The core print seat hypomere is trapezoidal cylinder structure；Between existing between core print seat hypomere outer surface and piston interior surface
Gap, the gap location that cylindrical roller is arranged between core print seat and piston, when the piston is moving up, the gap between core print seat and piston
Become smaller, the installation space of cylindrical roller is squeezed, and pushes core print seat relative to piston moves downward；
On core print seat top, guide sleeve is arranged by end cap to be stretched into upper cartridge core bar in guide cylinder for the core bar setting；
The guide cylinder is machined with multiple vertical slots in an axial direction, and card is arranged in vertical slot, outside card hypomere
Bullet circle is replied in setting, and the core bar epimere is inverted trapezoidal cylindrical structure；When core print seat relative to piston moves downward when, core print seat drive
Core bar moves downward, the outside distending of actuating card, and card is made to be adjacent to heat transfer inside pipe wall, realizes swelling.
It is machined with retraction air inlet on the right side of the sleeve annular limiting stand, when needing to unclamp heat-transfer pipe, by being retracted into
The upper cavity that gas port is formed to piston and sleeve, which is ventilated, to be pressurized, and under gas pressure, pushes the effect of piston overpowers locking spring
Power moves downward, and the space between piston and core print seat increases, and cylindrical roller continuously decreases the extruding to core print seat, and card is replied
The effect of bullet circle is contracted in guide cylinder, and card pushes up core bar in retraction process, and core bar drives core print seat to move upwards
Make, release the self-locking function of locking spring, completes the action for unclamping heat-transfer pipe.
The sleeve bottom right side is machined with swelling air admission hole, when needing swelling heat-transfer pipe, is recalled from retraction air inlet
The air pressure of piston and upper cartridge cavity, by swelling air admission hole to piston and lower cartridge cavity plenum, piston is in gas
It is moved upwards relative to sleeve under the active force of pressure and locking spring, the gap between core print seat and piston becomes smaller, cylindrical roller
Installation space is squeezed, and pushes core print seat relative to piston moves downward, and core print seat drives core bar to move downward, and actuating card is outside
Distending is adjacent to heat transfer inside pipe wall, realizes swelling.
The inner casing further includes floating spring, and floating spring is arranged on floating spring frame, and floating spring top compresses card
Piece bottom；
When swelling air admission hole is to piston and lower cartridge cavity plenum, active force of the piston in air pressure and locking spring
Under moved upwards relative to sleeve, the gap between core print seat and piston becomes smaller, and the installation space of cylindrical roller is squeezed, push
Core print seat is relative to piston moves downward, and core print seat drives core bar to move downward, and the outside distending of actuating card is adjacent to heat transfer inside pipe wall；
When core bar continuation moves down, when there is no swelling heat-transfer pipe, card that can follow core bar that floating spring is overcome to transport downwards
Dynamic, floating spring connects displacement sensor, and displacement sensor detects floating spring displacement, and to determine card, whether swelling is conducted heat
Pipe.
The card setting quantity is more than or equal to 2.
The card setting quantity is 3 or 4.
The present invention's has the technical effect that：
(1) a kind of steam generator heat-transfer pipe swelling clamping device of the present invention uses compressed gas, spring, bullet circle to drive
Dynamic source, cooperate in outer shell effect mechanism so that swelling device can be realized on heat-transfer pipe concede heat-transfer pipe nozzle with
Two functions of heat-transfer pipe are clamped.
(2) a kind of steam generator heat-transfer pipe swelling clamping device of the present invention realizes that power realizes self-locking function by spring,
Swelling device can be made, which to be capable of providing enough power when losing air source or failure, makes its underloading with from steam generator
It is fallen on tube sheet.
(3) a kind of steam generator heat-transfer pipe swelling clamping device of the present invention, passes through the reality of piston, cylindrical roller and core print seat
Boosting function now can be achieved, counter motion installs cylindrical roller there are tapered gap between piston and core print seat in gap,
Play the role of class balance pivot, by adjusting the size of taper, the multiple of reinforcement can be adjusted.
(4) a kind of steam generator heat-transfer pipe swelling clamping device of the present invention, card belong to consumptive material, and bullet is replied by dismounting
Circle, you can replace card, maintenance and maintenance are quite convenient.
(5) a kind of steam generator heat-transfer pipe swelling clamping device of the present invention, by adjusting card, the thickness, straight of core bar
The parameters such as the gradient size of diameter and core bar are adapted to heat-transfer pipe caliber of different sizes.
(6) a kind of steam generator heat-transfer pipe swelling clamping device of the present invention allows hole spring by displacement sensor detection
Or the displacement of its follower, to judge that the clamp position of swelling clamping device, control system judge whether again to heat transfer
Pipe checks that equipment needs manual intervention or maintenance.
Description of the drawings
Fig. 1 is a kind of steam generator heat-transfer pipe positioning robot schematic diagram；
Fig. 2 is a kind of steam generator heat-transfer pipe swelling clamping device schematic diagram of the present invention；
In figure：01- steam generator heat-transfer pipe positioning robots, 02- swelling clamping devices, 1- outer cylinder sheaths, 2- allow hole bullet
Spring, 3- sleeves, 4- outer shell sealing rings, 5- cards, 6- core bars, 7- core print seats, 8- pistons, 9- locking springs, 10- floating springs, 11-
Reply bullet circle, 12- guide sleeves, 13- cylindrical rollers, 14- swelling air admission holes, 15- retraction air inlets, 16- enter pipe air inlet, 17-
Sealing ring on inner casing, 18- inner casing lower seals, 19- floating spring seats, 20- end caps.
Specific implementation mode
It is detailed to a kind of steam generator heat-transfer pipe swelling clamping device of the present invention with attached drawing With reference to embodiment
It describes in detail bright.
As shown in Figure 1, swelling clamping device 02 is arranged at the bionical sufficient end of steam generator heat-transfer pipe positioning robot 01
Progress swelling clamping in heat-transfer pipe is stretched at end, and swelling clamping device 02 is the pass of steam generator heat-transfer pipe positioning robot 01
Key member, reliability directly influence the items such as the load, dead weight, shape of steam generator heat-transfer pipe positioning robot 01
Energy.
As shown in Fig. 2, a kind of steam generator heat-transfer pipe swelling clamping device of the present invention, including outer shell and inner casing；Inner casing
It is arranged in outer shell, outer shell pushes inner casing to pass in and out heat-transfer pipe, and makes inner casing swelling in heat-transfer pipe or unclamp to exit heat-transfer pipe；
The outer shell includes outer cylinder sheath 1, allows hole spring 2 and outer shell sealing ring 4；
The outer cylinder sheath 1 is cylindrical tube shape structure, and 1 bottom surface of outer cylinder sheath is provided with into pipe air inlet 16, in 1 inner wall of outer cylinder sheath
Lower part is machined with annular groove, outer shell sealing ring 4 is arranged in annular groove, 1 upper bottom surface of outer cylinder sheath is machined with through-hole, outer cylinder sheath 1
Upper bottom surface lower part is machined with ring spring slot, and hole spring 2 is allowed to be arranged in ring spring slot, and inner casing is arranged in outer cylinder sheath 1, interior
Cylinder top with allow hole spring 2 to contact, inner casing can move up and down in outer cylinder sheath 1, when inner casing moves up, by outer at the top of inner casing
1 upper bottom surface through-hole of cylinder sleeve stretches out outer cylinder sheath 1；
Under normality, inner casing is allowing under the active force of hole spring 2, and inner casing is pushed to 1 bottom of outer cylinder sheath, when passing through outer cylinder sheath
1 bottom, which faces out, after ventilation boosting, to push in cylinder sleeve 1 inner casing to overcome the active force of hole spring 4, inner casing is allowed to move up, inner casing
Outer cylinder sheath 1 is stretched out at top, and then stretches into swelling in heat-transfer pipe；
The inner casing includes sleeve 3, card 5, core bar 6, core print seat 7, piston 8, locking spring 9, reply bullet circle 11, guide sleeve
12, cylindrical roller 13, swelling air admission hole 14, retraction air inlet 15, sealing ring 17 on inner casing, inner casing lower seal 18, floating bullet
Spring abutment 19 and end cap 20；
The sleeve 3 is cylindrical tube structure, is machined with ring-type limiting table on the inside of 3 epimere of sleeve, 3 bottom of sleeve is provided with
Sealing cover, setting inner casing lower seal 18 seals between 3 inner wall of sealing cover and sleeve；
The piston 8 is cylindrical tube shape structure, and piston 8 is arranged in sleeve 3, and piston 8 is erected at close by locking spring 9
In capping, piston 8 can move up and down in sleeve 3, and piston 8 is sealed with sealing ring 17 on 3 contact position of sleeve setting inner casing；
8 inner cavity of the piston is inverted trapezoidal pore structure, wide at the top and narrow at the bottom, and the core print seat 7 is arranged in piston 8, the floating
Spring base 19 is arranged in 3 ring-type limiting table lower part of sleeve, and 19 epimere of floating spring seat is matched with 3 ring-type limiting table annular surface of sleeve
It closes, and sealing ring sealing is set；
19 hypomere of floating spring seat is inverted trapezoidal cylindrical structure, wide at the top and narrow at the bottom；19 hypomere inverted trapezoidal of floating spring seat
Outer surface coordinates with 8 epimere inverted trapezoidal internal surface of hole of piston, when piston 8 is moved upwards relative to sleeve 3, floating spring seat 19
It is moved downward relative to piston 8；
19 center of floating spring seat is machined with through-hole, and core print seat 7 is arranged in 19 through-hole of floating spring seat, 7 energy of core print seat
It moves up and down along floating spring seat 19,7 epimere of core print seat is sealed with 19 contact surface of floating spring seat setting sealing ring；
7 hypomere of the core print seat is trapezoidal cylinder structure, up-narrow and down-wide；7 hypomere outer surface of the core print seat and 8 inner surface of piston
Between there are gap, the gap location between core print seat 7 and piston 8 is arranged in cylindrical roller 13, when piston 8 moves upwards, core print seat 7
Gap between piston 8 becomes smaller, and the installation space of cylindrical roller 13 is squeezed, and core print seat 7 is pushed to be transported downwards relative to piston 8
It is dynamic；
The setting of the core bar 6 is stretched into 3 top core bar 7 of sleeve by the setting of end cap 20 and is led in 7 top of core print seat, guide sleeve 12
Into cylinder 12；
The guide cylinder 12 is machined with multiple vertical slots in an axial direction, and card 5 is arranged in vertical slot, 5 hypomere of card
Bullet circle 11 is replied in outside setting, and 7 epimere of the core bar is inverted trapezoidal cylindrical structure, wide at the top and narrow at the bottom；When core print seat 7 is relative to piston 8
When moving downward, core print seat 7 drives core bar 6 to move downward, and 5 outside distending of actuating card makes card 7 be adjacent to heat transfer inside pipe wall, real
Existing swelling；
It is machined with retraction air inlet 15 on the right side of 3 annular stop platform of the sleeve, when needing to unclamp heat-transfer pipe, passes through retraction
The upper cavity that air inlet 15 is formed to piston 8 and sleeve 3, which is ventilated, to be pressurized, and under gas pressure, piston 8 is pushed to overcome locking spring
9 active force moves downward, and the space between piston 8 and core print seat 7 increases, and cylindrical roller 13 continuously decreases the extruding to core print seat 7,
Card 5 is contracted to by the effect for replying bullet circle 11 in guide cylinder 12, and card 5 pushes up core bar 6 in retraction process,
Core bar 6 drives core print seat 7 to act upwards, releases the self-locking function of locking spring 9, completes the action for unclamping heat-transfer pipe；
3 bottom right side of the sleeve is machined with swelling air admission hole 14, when needing swelling heat-transfer pipe, from retraction air inlet 15
The air pressure of 3 upper cavity of retracting piston 8 and sleeve is increased by swelling air admission hole 14 to piston 8 and the inflation of 3 lower cavity of sleeve
Pressure, piston 8 move upwards under the active force of air pressure and locking spring 9 relative to sleeve 5, the gap between core print seat 7 and piston 8
Become smaller, the installation space of cylindrical roller 13 is squeezed, and core print seat 7 is pushed to be moved downward relative to piston 8, and core print seat 7 drives core bar 6
It moves downward, 5 outside distending of actuating card is adjacent to heat transfer inside pipe wall, realizes swelling；
The inner casing further includes floating spring 10, and floating spring 10 is arranged on floating spring frame 19, on floating spring 10
Portion compresses 5 bottom of card；
When swelling air admission hole 14 is to the 3 lower cavity plenum of piston 8 and sleeve, piston 8 is in air pressure and locking spring 9
Moved upwards relative to sleeve 5 under active force, the gap between core print seat 7 and piston 8 becomes smaller, the installation space of cylindrical roller 13 by
To extruding, core print seat 7 is pushed to be moved downward relative to piston 8, core print seat 7 drives core bar 6 to move downward, 5 outside distending of actuating card
It is adjacent to heat transfer inside pipe wall；
When the continuation of core bar 6 moves down, since card 5 is no longer outer swollen, if frictional force not enough etc. due to cause not having
There is card 5 there is no swelling heat-transfer pipe, card 5 that will follow core bar 6 that floating spring 10 is overcome to move downward, can be passed by displacement
Sensor detect 10 displacement of floating spring come determine card 5 whether swelling heat-transfer pipe；When card 5 is without providing enough frictional force
When swelling heat-transfer pipe, card 5 can slide during pulling back, and the action of floating spring 10 will not be touched, to detect
To the signal intensity of displacement sensor.
When displacement sensor detects that floating spring 16 has action, then judges that card 5 does not have swelling heat-transfer pipe, need at this time
It wants manual intervention or repairs this swelling clamping device.If displacement sensor does not check the action of floating spring 10, card
Piece 5 is expanded outward by lateral force, and when being urged to the tube wall of heat-transfer pipe, card 5 produces stiction with heat-transfer pipe, to
Swelling is on heat-transfer pipe.
When accident or failure occurs, steam generator heat-transfer pipe positioning robot 01 runs out of steam, swelling clamping dress
It sets to 02 to be kept by 9 active force of locking spring, because of the effect of locking spring 9, card 5 is in open configuration, to realize machinery
Self-locking function.
Claims (7)
1. a kind of steam generator heat-transfer pipe swelling clamping device, it is characterised in that：The device includes outer shell and inner casing；Inner casing is set
It sets in outer shell, outer shell pushes inner casing to pass in and out heat-transfer pipe, and makes inner casing swelling in heat-transfer pipe or unclamp to exit heat-transfer pipe；
The outer shell includes outer cylinder sheath, allows hole spring and outer shell sealing ring；
The outer cylinder sheath is cylindrical tube shape structure, and outer cylinder sheath bottom surface is provided with into pipe air inlet, the processing of outer cylinder sheath inner wall middle and lower part
There is annular groove, outer shell sealing ring is set in annular groove, outer cylinder sheath upper bottom surface is machined with through-hole, and outer cylinder sheath upper bottom surface lower part adds
Work has ring spring slot, and hole spring is allowed to be arranged in ring spring slot, and inner casing is arranged in outer cylinder sheath, inner casing top and allows hole bullet
Spring pressing when inner casing moves up, stretches out outer cylinder sheath at the top of inner casing by outer cylinder sheath upper bottom surface through-hole；
Under normality, inner casing is allowing under the active force of hole spring, and inner casing is pushed to outer cylinder sheath bottom, when passing through outer cylinder sheath bottom surface
Enter pipe air inlet to ventilate into outer cylinder sheath boosting, pushes inner casing to overcome and the active force of hole spring is allowed to move up, worn at the top of inner casing
It crosses outer cylinder sheath and stretches into swelling in heat-transfer pipe.
2. a kind of steam generator heat-transfer pipe swelling clamping device according to claim 1, it is characterised in that：The inner casing
Including sleeve, card, core bar, core print seat, piston, locking spring, reply bullet circle, guide sleeve, cylindrical roller, swelling air admission hole, contracting
Back into gas port, sealing ring, inner casing lower seal, floating spring seat and end cap on inner casing；
The sleeve is cylindrical tube structure, and ring-type limiting table is machined on the inside of sleeve epimere, and sleeve bottom is provided with sealing cover,
Inner casing lower seal is arranged between sealing cover and sleeve lining to seal；
The piston is cylindrical tube shape structure, and piston is arranged in sleeve, and piston is erected at by locking spring on sealing cover, living
Plug is sealed with sealing ring on inner casing is arranged at barrel contacts；
The piston cavity is inverted trapezoidal pore structure, and the core print seat is arranged in piston, and the floating spring seat is arranged in sleeve
Ring-type limiting table lower part, floating spring seat epimere coordinate with sleeve ring-type limiting table annular surface, and sealing ring sealing is arranged；
Floating spring seat center is machined with through-hole, and core print seat is arranged in floating spring block hole, and core print seat can be along floating spring
Seat moves up and down, and core print seat epimere is sealed with floating spring seated connection contacting surface setting sealing ring；
The core print seat hypomere is trapezoidal cylinder structure；There are gap, circles between core print seat hypomere outer surface and piston interior surface
The gap location that column roller is arranged between core print seat and piston, when the piston is moving up, the gap between core print seat and piston becomes smaller,
The installation space of cylindrical roller is squeezed, and pushes core print seat relative to piston moves downward；
On core print seat top, guide sleeve is arranged by end cap to be stretched into upper cartridge core bar in guide cylinder for the core bar setting；
The guide cylinder is machined with multiple vertical slots in an axial direction, and card is arranged in vertical slot, setting outside card hypomere
Bullet circle is replied, the core bar epimere is inverted trapezoidal cylindrical structure；When core print seat relative to piston moves downward when, core print seat drive core bar
It moves downward, the outside distending of actuating card, card is made to be adjacent to heat transfer inside pipe wall, realize swelling.
3. a kind of steam generator heat-transfer pipe swelling clamping device according to claim 2, it is characterised in that：The sleeve
It is machined with retraction air inlet on the right side of annular stop platform, when needing to unclamp heat-transfer pipe, by retraction air inlet to piston and sleeve
The upper cavity ventilation supercharging of formation, under gas pressure, pushes the active force of piston overpowers locking spring to move downward, piston with
Space between core print seat increases, and cylindrical roller continuously decreases the extruding to core print seat, and card is contracted to by the effect for replying bullet circle
In guide cylinder, card pushes up core bar in retraction process, and core bar drives core print seat to act upwards, releases locking spring
Self-locking function completes the action for unclamping heat-transfer pipe.
4. a kind of steam generator heat-transfer pipe swelling clamping device according to claim 3, it is characterised in that：The sleeve
Bottom right side is machined with swelling air admission hole, empty from retraction air inlet retracting piston and upper cartridge when needing swelling heat-transfer pipe
The air pressure of chamber, by swelling air admission hole to piston and lower cartridge cavity plenum, work of the piston in air pressure and locking spring
It being moved upwards relative to sleeve under firmly, the gap between core print seat and piston becomes smaller, and the installation space of cylindrical roller is squeezed,
Push core print seat relative to piston moves downward, core print seat drives core bar to move downward, and the outside distending of actuating card is adjacent in heat-transfer pipe
Wall realizes swelling.
5. a kind of steam generator heat-transfer pipe swelling clamping device according to claim 4, it is characterised in that：The inner casing
Further include floating spring, floating spring is arranged on floating spring frame, and floating spring top compresses card bottom；
When swelling air admission hole is to piston and lower cartridge cavity plenum, piston phase under the active force of air pressure and locking spring
Sleeve is moved upwards, the gap between core print seat and piston becomes smaller, and the installation space of cylindrical roller is squeezed, and pushes core print seat
Relative to piston moves downward, core print seat drives core bar to move downward, and the outside distending of actuating card is adjacent to heat transfer inside pipe wall；
When core bar continuation moves down, when there is no swelling heat-transfer pipe, card that can follow core bar that floating spring is overcome to move downward, float
Spring of moving connect displacement sensor, displacement sensor detect floating spring displacement come determine card whether swelling heat-transfer pipe.
6. a kind of steam generator heat-transfer pipe swelling clamping device according to claim 2, it is characterised in that：The card
Quantity is set and is more than or equal to 2.
7. a kind of steam generator heat-transfer pipe swelling clamping device according to claim 6, it is characterised in that：The card
It is 3 or 4 that quantity, which is arranged,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721872699.6U CN207864890U (en) | 2017-12-27 | 2017-12-27 | A kind of steam generator heat-transfer pipe swelling clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721872699.6U CN207864890U (en) | 2017-12-27 | 2017-12-27 | A kind of steam generator heat-transfer pipe swelling clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864890U true CN207864890U (en) | 2018-09-14 |
Family
ID=63467146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721872699.6U Active CN207864890U (en) | 2017-12-27 | 2017-12-27 | A kind of steam generator heat-transfer pipe swelling clamping device |
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| CN (1) | CN207864890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249051A (en) * | 2018-11-28 | 2019-01-22 | 宜昌市蓝德光电机械有限公司 | Locating tensioning device |
| CN109973758A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of steam generator heat-transfer pipe swelling clamping device |
| CN109990860A (en) * | 2019-04-18 | 2019-07-09 | 山东省科学院海洋仪器仪表研究所 | Pneumatic capillary pipe clamping device |
-
2017
- 2017-12-27 CN CN201721872699.6U patent/CN207864890U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973758A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of steam generator heat-transfer pipe swelling clamping device |
| CN109973758B (en) * | 2017-12-27 | 2024-04-09 | 核动力运行研究所 | Expansion clamping device for heat transfer tube of steam generator |
| CN109249051A (en) * | 2018-11-28 | 2019-01-22 | 宜昌市蓝德光电机械有限公司 | Locating tensioning device |
| CN109990860A (en) * | 2019-04-18 | 2019-07-09 | 山东省科学院海洋仪器仪表研究所 | Pneumatic capillary pipe clamping device |
| CN109990860B (en) * | 2019-04-18 | 2024-03-19 | 山东省科学院海洋仪器仪表研究所 | Pneumatic capillary clamping device |
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