CN107677725B - Eddy current probe single-shaft pusher - Google Patents
Eddy current probe single-shaft pusher Download PDFInfo
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- CN107677725B CN107677725B CN201710840666.1A CN201710840666A CN107677725B CN 107677725 B CN107677725 B CN 107677725B CN 201710840666 A CN201710840666 A CN 201710840666A CN 107677725 B CN107677725 B CN 107677725B
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- probe
- pressing wheel
- belt pulley
- assembly
- eddy current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
Abstract
The invention relates to the technical field of nondestructive testing equipment, in particular to an eddy current probe single-shaft pusher which comprises a mounting frame, a winding device arranged on the mounting frame and used for winding and releasing a probe, wherein the probe is provided with a release section extending out of the winding device, the pusher also comprises a conveying device arranged on the mounting frame and used for clamping the release section, the conveying device comprises a belt pulley assembly arranged on the mounting frame and a C-shaped pressing wheel assembly which can move up and down and is arranged on the mounting frame and opposite to the belt pulley assembly, a transmission channel used for accommodating the probe and allowing the probe to pass through along the length direction of the transmission channel is arranged between the belt pulley assembly and the C-shaped pressing wheel assembly, the winding device comprises a probe disc which is rotationally arranged on the mounting frame and used for winding the probe, the single-shaft pusher of the eddy current probe is simple and light in structure, and can realize automatic pushing and pulling in the eddy current detection process.
Description
Technical Field
The invention relates to the technical field of nondestructive testing equipment, in particular to a single-shaft pusher of an eddy current probe.
Background
The eddy current inspection is a nondestructive inspection technology widely applied in the defect inspection of the heat transfer pipe of the heat exchanger, has high sensitivity on the defects of the inner wall and the outer wall of the pipe, can timely and accurately find the defects, and is an important guarantee for the safe operation of equipment. When the eddy current detection is carried out on the heat transfer pipe, the eddy current probe needs to be pushed into a specified position in the heat transfer pipe through the eddy current probe pushing and pulling device, then data acquisition of eddy current signals on the wall of the heat transfer pipe is carried out while the probe is pulled back, and the eddy current detection of the heat transfer pipe is realized. Due to the particularity of the environment of the nuclear power plant, the eddy current inspection of the heat transfer pipe of the heat exchanger of the nuclear power plant has many problems. The accuracy of eddy current inspection is greatly influenced by the fact that the conventional manual probe pushing and pulling mode is low in efficiency, uneven in speed and incapable of being accurately positioned. For example, a small amount of water and silt may exist in a condenser heat transfer pipe in a conventional island, and the problems of influence on signal acquisition quality, low pulling speed, high working strength and the like due to the fact that the pulling speed is not uniform due to the adoption of a manual pulling probe mode exist. Therefore, the mode of replacing manual probe pushing and pulling by the probe pushing and pulling equipment has great significance.
Chinese patent 201120161378.1 discloses an eddy current probe pusher, which mainly comprises a reel frame, a probe signal interface, a motor shaft, etc., wherein the probe is mechanically compressed by the cooperation of a screwing handle, a handle groove, a compressing handle, a guide rod, a gear shaft, a rack, a gear, an upper compressing plate, a lower compressing plate, etc., but such a way is manual compression, which is relatively troublesome in operation, and the probe cable is placed in a semicircular groove between a compressing wheel and a driving wheel, and the gap between the compressing wheel and the driving wheel is adjusted to adapt to probes of different diameters, but the contact between the probe and the compressing wheel and the driving wheel is rigid contact, which not only easily wears the probe during transmission, but also if the diameter of the probe is not uniform enough, the probe deforms during transmission or due to the compression of the compressing wheel and the driving wheel, or the gap exists between the compressing wheel and the driving wheel, which cannot obtain enough static friction force required for transmission, thereby affecting transmission efficiency and detection effectiveness.
Disclosure of Invention
The invention provides a vortex detection single-shaft pusher independent of a vortex instrument, which is simple to operate and can realize automatic pushing and pulling in a vortex detection process.
In order to achieve the purpose, the invention adopts the technical scheme that: an eddy current probe single-shaft pusher, wherein the probe is in a windable cable shape, the pusher comprises a mounting rack and a winding device arranged on the mounting rack and used for winding and releasing the probe, the probe is provided with a release section extending out of the winding device, the puller further comprises a conveying device arranged on the mounting frame and used for clamping the release section, the conveying device comprises a belt pulley assembly arranged on the mounting rack and a C-shaped pressing wheel assembly which can move up and down and is arranged on the mounting rack and opposite to the belt pulley assembly, a transmission channel for accommodating the probe and allowing the probe to pass through along the length direction of the transmission channel is arranged between the belt pulley assembly and the C-shaped pressing wheel assembly, the winding device comprises a probe disc which is rotatably arranged on the mounting frame and used for winding the probe.
Further, the belt pulley assembly is arranged right above the C-shaped pressing wheel assembly and comprises a driving belt pulley and a driven belt pulley, the driving belt pulley and the driven belt pulley are parallel to the transmission direction of the probe, the driving belt pulley is connected with the driven belt pulley through a belt, the driving belt pulley is connected with the output end of the first driving motor, and when the probe is conveyed forwards or pulled backwards, the probe is pressed on the C-shaped pressing wheel assembly through the belt.
Further, the belt pulley assembly further comprises a tensioning mechanism which is arranged between the driving belt pulley and the driven belt pulley and can tension the belt, the tensioning mechanism comprises a first pressing wheel group and a second pressing wheel group which are arranged in parallel and respectively attached to the inner side of the upper portion and the inner side of the lower portion of the belt, and an adjusting assembly used for adjusting the distance between the first pressing wheel group and the second pressing wheel group is arranged between the first pressing wheel group and the second pressing wheel group.
Furthermore, the tensioning mechanism further comprises a mounting plate group, a connecting shaft fixedly arranged on the mounting plate group, a first pressing wheel shaft base and a second pressing wheel shaft base which are arranged above and below the connecting shaft respectively and are arranged on the mounting plate group in a sliding mode, the first pressing wheel group and the second pressing wheel group are fixedly arranged on the first pressing wheel shaft base and the second pressing wheel shaft base respectively, and a reducing sleeve shaft and an elastic assembly for controlling the automatic popping of the reducing sleeve shaft are sleeved on the connecting shaft.
Furthermore, the C-shaped pressing wheel assembly comprises a C-shaped pressing wheel shaft base and a plurality of C-shaped pressing wheels, the C-shaped pressing wheels are parallel to the transmission direction of the probe and are sequentially arranged on the C-shaped pressing wheel shaft base, concave C-shaped ring grooves are formed in the periphery of each C-shaped pressing wheel, and all the C-shaped ring grooves form a channel for accommodating a part of the probe.
Furthermore, the number of the C-shaped pressing wheels is at least 3, the radian of the C-shaped ring groove is matched with the periphery of the outer side of the probe, and the groove depth of the C-shaped pressing wheels positioned on two sides of the edge is smaller than that of the C-shaped pressing wheels positioned in the middle.
Furthermore, be equipped with on the mounting bracket with the C type compresses tightly the fixed guide base that links to each other of shaft base, be equipped with the guide bar that sets up along vertical direction on the mounting bracket, the C type compresses tightly shaft base with guide base slidable set up in the both sides of guide bar, guide base links to each other with the output that drives actuating cylinder.
Furthermore, the winding device further comprises a second driving motor and a hub connected with the output end of the second driving motor, and the hub is detachably and coaxially connected with the probe disc.
Furthermore, a sliding brush fixing seat is arranged at the rotating center of the hub, a sliding brush is arranged on the sliding brush fixing seat, the tail end of the probe is connected with the sliding brush, and the sliding brush is electrically connected with the eddy current instrument.
Furthermore, the mounting frame is further provided with guide pipes at intervals along the transmission direction of the probe for supporting the release section, when the probe needs to be released or recovered, the belt pulley assembly and the C-shaped pinch roller assembly tightly press the probe, and the belt pulley assembly and the probe disc correspondingly rotate towards the transmission direction of the probe to release or recover the probe.
After adopting the technical scheme, compared with the prior art, the invention has the following advantages:
(1) the automatic probe pushing device has the advantages that the automation of probe pushing is realized, the efficiency of eddy current inspection is improved, the labor cost is saved, the transmission is stable, the speed is adjustable, and the stability of signals is ensured.
(2) The modular design is integrated, the assembly and disassembly are convenient, the maintenance and the repair are convenient, the space is reasonably utilized, and the whole weight is reduced.
(3) The conveying device is connected by the synchronous belt, so that the contact area is large, the friction force is large, the transmission is stable, and the probe is not easy to damage.
(4) Adopt straining device, optimized the product structure, reduced the loss of belt simultaneously, can change the pretightning force through straining device, the change of belt is also simple more convenient.
(5) Adopt two motor drive, can guarantee synchronism and promptness, the motor is direct with power take off, reduces the unnecessary loss, and is more accurate, guarantees the precision of probe propelling movement and pullback, accurate rapid will the probe send the assigned position to. Through the control of the current, the belt pulley assembly and the hub can be controlled respectively, so that the accident condition in the actual use process can be responded, and the probe is ensured to be pulled back in place;
(6) the sliding brush is externally arranged on the hub, so that twisting and breaking of the probe are avoided, eddy current signals can be stably transmitted, meanwhile, the assembly and disassembly are convenient, and the space structure of the hub is also optimized.
Drawings
FIG. 1 is an isometric view of a single-axis taper for an eddy current probe in accordance with the present invention;
FIG. 2 is a front view of the single-axis pusher of the eddy current probe of the present invention;
FIG. 3 is a rear view of the eddy current probe single-axis pusher of the present invention;
FIG. 4 is a schematic structural view of the tensioning mechanism of the present invention;
FIG. 5 is a partial cross-sectional view of the tensioning mechanism of the present invention;
fig. 6 is a schematic structural view of a C-shaped pinch wheel assembly of the present invention.
Wherein, 1, mounting rack; 2. a conveying device; 21. a pulley assembly; 211. a driving pulley; 212. a driven pulley; 213. a belt; 214. a first drive motor; 22. a C-shaped hold-down wheel assembly; 221. a C-shaped pressing wheel shaft base; 222. a C-shaped pinch roller; 223. a C-shaped ring groove; 224. a guide base; 225. a guide bar; 226. a driving cylinder; 23. a tensioning mechanism; 231. installing a plate group; 232. a connecting shaft; 233. a first pinch roller axle base; 234. a second pinch roller axle base; 235. a first pinch roller set; 236. a second pinch roller set; 237. a variable diameter sleeve shaft; 238. an elastic component; 239. an exchange button; 3. a winding device; 31. a probe disc; 32. a second drive motor; 33. a hub; 34. a sliding brush fixing seat; 35. sliding and brushing; 36. a claw; 4. a probe; 5. a guide tube.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1 to 3, an eddy current probe single-shaft pusher is suitable for a windable cable-shaped probe 4, and includes a mounting frame 1, a winding device 3 disposed on the mounting frame 1 for winding and releasing the probe 4, the probe 4 has a release section extending out of the winding device 3, the pusher further includes a conveying device 2 disposed on the mounting frame 1 for clamping the release section, the conveying device 2 includes a pulley assembly 21 disposed on the mounting frame 1 and a C-shaped pinch roller assembly 22 disposed on the mounting frame 1 and opposite to the pulley assembly 21 and capable of moving up and down, a transmission channel for accommodating the probe 4 and allowing the probe to pass through along its length direction is disposed between the pulley assembly 21 and the C-shaped pinch roller assembly 22, and the winding device 3 includes a probe disk 31 rotatably disposed on the mounting frame 1 for winding the probe 4. The rear end of the probe 4 is wound in an annular groove in the outer peripheral portion of the probe disc 31.
When the probe 4 needs to be released or recovered, the belt pulley assembly 21 and the C-shaped pressing wheel assembly 22 press the probe 4, and the belt pulley assembly 21 and the probe disc 31 correspondingly rotate towards the transmission direction of the probe 4 to release or recover the probe 4.
The belt pulley assembly 21 includes a driving pulley 211 and a driven pulley 212 arranged parallel to the transmission direction of the probe 4, the driving pulley 211 and the driven pulley 212 are connected by a belt 213 and move synchronously together, the driving pulley 211 is connected to the output end of a first driving motor 214, and when the probe 4 is conveyed forward or pulled back, the belt 213 presses the probe 4 against the C-shaped pinch roller assembly 22.
As shown in fig. 4 and 5, the pulley assembly 21 further includes a tension mechanism 23 disposed between the driving pulley 211 and the driven pulley 212 to tension the belt 213. The tensioning mechanism 23 includes a mounting plate set 231, a connecting shaft 232 fixedly disposed on the mounting plate set 231, a first pressing wheel shaft base 233 and a second pressing wheel shaft base 234 slidably disposed on the mounting plate set 231 and respectively located above and below the connecting shaft 232, the first pressing wheel shaft base 233 is provided with a first pressing wheel set 235, the second pressing wheel shaft base 234 is provided with a second pressing wheel set 236, and the first pressing wheel set 235 and the second pressing wheel set 236 are disposed in parallel and respectively attached to the inner sides of the upper portion and the lower portion of the belt 213. The connecting shaft 232 is sleeved with a reducing sleeve shaft 237 and an elastic assembly 238 for controlling the reducing sleeve shaft 237 to automatically pop up, the elastic assembly 238 is connected with an external exchange button 239, one side of the first pressing wheel shaft base 233, which is located on the reducing sleeve shaft 237, is an arc surface, and the end surface of the second pressing wheel shaft base 234, which is located on one side of the reducing sleeve shaft 237, is an inclined surface extending towards one side of the connecting shaft 232.
The reducing sleeve shaft 237 is pressed down, the reducing sleeve shaft 237 pushes the first pressing wheel shaft base 233 and the second pressing wheel shaft base 234 to move outwards, the first pressing wheel set 235 presses the belt 213 to move upwards, and the second pressing wheel set 236 pushes the belt 213 to move downwards, so that the belt 213 is in a tensioning state, and the belt 213 does not slip in the movement process. The first pressing roller set 235 mainly functions to press the belt 213, and the second pressing roller set 236 mainly functions to guide. The belt 213 is adopted for connection, and the belt 213 has a large contact area with the surface of the probe 4, so that the friction force is large, the transmission is stable, and the probe 4 is not easy to wear.
When the exchange button 239 is pressed, the sleeve shaft 237 is ejected, and the first pressing hub base 233 and the second pressing hub base 234, which are previously pressed by the circumference of the sleeve shaft 237, can move freely, so that the belt 213 is loosened.
As shown in fig. 6, the C-shaped pinch roller assembly 22 includes a C-shaped pinch roller shaft base 221, and a plurality of C-shaped pinch rollers 222 sequentially arranged on the C-shaped pinch roller shaft base 221 in parallel with the transmission direction of the probe 4, wherein the periphery of the C-shaped pinch rollers 222 is provided with concave C-shaped ring grooves 223, all the C-shaped ring grooves 223 form a channel for accommodating the release section of the probe 4, and the radian of the C-shaped ring grooves 223 matches with the outer periphery of the probe 4.
The number of the C-shaped pressing wheels 222 is preferably at least 3, and the groove depth of the C-shaped pressing wheels 222 on the two sides of the edge is smaller than that of the C-shaped pressing wheels 222 in the middle.
The two C-shaped pressing wheels 222 on the two sides of the edge are mainly used for being matched with the belt 213 to press the probe 4, the C-shaped pressing wheel 222 in the middle is relatively deviated from one point of the belt 213 side, the guiding effect on the probe 4 can be achieved, the probe 4 can be properly pressed, and the abrasion of the belt 213 is reduced. The radian of the C-shaped pinch roller 222 is matched with the probe 4 and matched with the belt 213, so that the probe 4 can be completely wrapped, and the possibility of jumping out of the probe 4 in violent movement is reduced.
Be equipped with on the mounting bracket 1 and compress tightly the fixed direction base 224 that links to each other of shaft base 221 with the C type, be equipped with the guide bar 225 that sets up along vertical direction on the mounting bracket 1, the C type compresses tightly shaft base 221 and guide base 224 slidable and sets up in the both sides of guide bar 225, and direction base 224 links to each other with the output that drives actuating cylinder 226, and it sets up on mounting bracket 1 to drive actuating cylinder 226. When the driving cylinder 226 pushes the C-shaped pressing wheel shaft base 221 to move upwards, the C-shaped pressing wheel 222 and the belt 213 tightly press the probe 4; when the driving cylinder 226 pushes the C-shaped pressing wheel shaft base 221 to move downwards, the distance between the C-shaped pressing wheel 222 and the belt 213 is increased, so that the probe 4 can be taken out conveniently.
In order to further improve the guidance of the probe 4 in the transmission process, guide tubes 5 for supporting the release section of the probe 4 are arranged on the mounting frame 1 at intervals along the transmission direction of the probe 4.
The winding device 3 comprises a second driving motor 32, the second driving motor 32 is arranged in the middle of a wheel hub 33, and power is transmitted to the wheel hub 33 through a motor coupling fixed on the wheel hub 33.
The output end of the second driving motor 32 is connected with the coupler, the coupler is connected with the hub 33, the hub 33 is detachably and coaxially connected with the probe disc 31, the second driving motor 32 transmits power to the hub 33 through the coupler, and the hub 33 drives the probe disc 31 to rotate together. A plurality of claws 36 are arranged on the circumference of the hub 33 at intervals, and the claws 36 press the probe disc 31 on the hub 33 to ensure the synchronism of the two. The rotation center of wheel hub 33 is equipped with smooth brush 35 fixing base 34, is equipped with smooth brush 35 on smooth brush 35 fixing base 34, and the end of probe 4 links to each other with smooth brush 35, and smooth brush 35 is connected with the eddy current instrument electricity.
When the probe 4 needs to be released, the driving cylinder 226 supplies air pressure to push the C-shaped pressing wheel 222 and the belt 213 to be matched to press the probe 4, the first driving motor 214 is powered on to drive the driving wheel to rotate, the belt 213 is used for connecting and driving the driven wheel to rotate forward, the probe 4 moves forward under the action of friction force of the C-shaped pressing wheel 222 and the belt 213, meanwhile, the second driving motor 32 is powered on and is consistent with the rotating direction of the first driving motor 214, the rotating speed of the second driving motor 32 is smaller than that of the first driving motor 214, the probe disc 31 rotates along with the probe disc 31 to convey the probe 4 forward, and the probe 4 is guaranteed to be always in a tensioning state.
When the probe 4 needs to be pulled back, the second driving motor 32 is reversely powered on and rotates backwards to drive the probe disc 31 fixed on the hub 33 to reversely move, the first driving motor 214 is also powered on at the same time, the rotation direction is consistent with that of the second driving motor 32, the rotating speed of the first driving motor 214 is smaller than that of the second driving motor 32, the probe 4 is pushed backwards under the friction force of the C-shaped pressing wheel 222 and the belt 213, and the probe 4 is ensured to be in a tensioning state and not to be wound. The sliding brush 35 stably transmits the eddy current signal generated by the probe 4, so that the connector is ensured not to be wound.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. An eddy current probe single-shaft pusher, wherein the probe is in a cable shape capable of being wound, and is characterized in that: the puller comprises a mounting rack, a winding device arranged on the mounting rack and used for winding and releasing the probe, the probe is provided with a release section extending out of the winding device, the puller further comprises a conveying device arranged on the mounting rack and used for clamping the release section, the conveying device comprises a belt pulley assembly arranged on the mounting rack and a C-shaped pressing wheel assembly capable of moving up and down, the C-shaped pressing wheel assembly is arranged on the mounting rack and opposite to the belt pulley assembly, a transmission channel used for accommodating the probe to pass along the length direction of the probe is arranged between the belt pulley assembly and the C-shaped pressing wheel assembly, and the winding device comprises a probe disc which is rotatably arranged on the mounting rack and used for winding the probe:
the belt pulley assembly is arranged right above the C-shaped pressing wheel assembly and comprises a driving belt pulley and a driven belt pulley which are arranged in parallel to the transmission direction of the probe, the driving belt pulley and the driven belt pulley are connected through a belt, the driving belt pulley is connected with the output end of a first driving motor, and when the probe is conveyed forwards or pulled back backwards, the belt presses the probe on the C-shaped pressing wheel assembly;
the belt pulley assembly further comprises a tensioning mechanism which is arranged between the driving belt pulley and the driven belt pulley and can tension the belt, the tensioning mechanism comprises a first pressing wheel set and a second pressing wheel set which are arranged in parallel and respectively attached to the inner sides of the upper portion and the lower portion of the belt, and an adjusting assembly for adjusting the distance between the first pressing wheel set and the second pressing wheel set is arranged between the first pressing wheel set and the second pressing wheel set;
the tensioning mechanism further comprises a mounting plate group, a connecting shaft fixedly arranged on the mounting plate group, a first pressing wheel shaft base and a second pressing wheel shaft base, wherein the mounting plate group is provided with the connecting shaft, the first pressing wheel group and the second pressing wheel group are slidably arranged on the mounting plate group and are respectively located above and below the connecting shaft, the first pressing wheel group and the second pressing wheel group are respectively fixedly arranged on the first pressing wheel shaft base and the second pressing wheel shaft base, and a reducing sleeve shaft and an elastic assembly for controlling the reducing sleeve shaft to automatically pop out are sleeved on the connecting shaft.
2. The eddy current probe single-axis puller according to claim 1, wherein: the C-shaped pressing wheel assembly comprises a C-shaped pressing wheel shaft base and a plurality of C-shaped pressing wheels, the C-shaped pressing wheels are parallel to the transmission direction of the probe and are sequentially arranged on the C-shaped pressing wheel shaft base, concave C-shaped ring grooves are formed in the periphery of each C-shaped pressing wheel, and all the C-shaped ring grooves form a containing part of a channel of the probe.
3. The eddy current probe single-axis puller according to claim 2, wherein: the number of the C-shaped pressing wheels is at least 3, the radian of the C-shaped ring groove is matched with the periphery of the outer side of the probe, and the groove depth of the C-shaped pressing wheels positioned on two sides of the edge is smaller than that of the C-shaped pressing wheels positioned in the middle.
4. The eddy current probe single-axis puller according to claim 3, wherein: the C-shaped pressing wheel shaft base and the guide base are slidably arranged on two sides of the guide rod, and the guide base is connected with an output end of the driving cylinder.
5. The eddy current probe single-axis puller according to claim 4, wherein: the winding device further comprises a second driving motor and a hub connected with the output end of the second driving motor, and the hub is detachably and coaxially connected with the probe disc.
6. The eddy current probe single-axis puller according to claim 5, wherein: the hub is characterized in that a sliding brush fixing seat is arranged at the rotating center of the hub, a sliding brush is arranged on the sliding brush fixing seat, the tail end of the probe is connected with the sliding brush, and the sliding brush is electrically connected with an eddy current instrument.
7. The eddy current probe single-axis puller according to claim 1, wherein: the probe fixing device is characterized in that guide pipes for supporting the release section are further arranged on the mounting frame at intervals along the transmission direction of the probe, when the probe needs to be released or recovered, the belt pulley assembly and the C-shaped pinch roller assembly tightly press the probe, and the belt pulley assembly and the probe disc correspondingly face the transmission direction of the probe and rotate to release or recover the probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840666.1A CN107677725B (en) | 2017-09-18 | 2017-09-18 | Eddy current probe single-shaft pusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840666.1A CN107677725B (en) | 2017-09-18 | 2017-09-18 | Eddy current probe single-shaft pusher |
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| Publication Number | Publication Date |
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| CN107677725A CN107677725A (en) | 2018-02-09 |
| CN107677725B true CN107677725B (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710840666.1A Active CN107677725B (en) | 2017-09-18 | 2017-09-18 | Eddy current probe single-shaft pusher |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014459A (en) * | 2020-09-04 | 2020-12-01 | 岭澳核电有限公司 | Portable probe pusher for eddy current inspection of nuclear power station thimble tube |
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|---|---|---|---|---|
| US5105876A (en) * | 1989-07-06 | 1992-04-21 | Westinghouse Electric Corp. | Multiple-unit probe pusher and system for driving eddy current inspection probes in the heat exchanger tubes of a nuclear steam generator |
| CN101147030A (en) * | 2005-09-26 | 2008-03-19 | Inetec学院核工艺学有限公司 | DPS-double pusher system for pushing two eddy current probes simultaneously through two steam generator tubes of nuclear power plants |
| US7733084B1 (en) * | 2006-07-19 | 2010-06-08 | O'dell Tom | Eddy current acquisition system |
| CN202101972U (en) * | 2011-05-19 | 2012-01-04 | 国核电站运行服务技术有限公司 | Vortex probe pushing-pulling device |
| CN204310800U (en) * | 2014-11-11 | 2015-05-06 | 济南大学 | A kind of Novel steel wire rope traction machine with automatic tensioning mechanism |
| CN205449886U (en) * | 2015-12-31 | 2016-08-10 | 核动力运行研究所 | A probe drive arrangement for steam generator tubes eddy current inspection |
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2017
- 2017-09-18 CN CN201710840666.1A patent/CN107677725B/en active Active
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|---|---|---|---|---|
| US5105876A (en) * | 1989-07-06 | 1992-04-21 | Westinghouse Electric Corp. | Multiple-unit probe pusher and system for driving eddy current inspection probes in the heat exchanger tubes of a nuclear steam generator |
| CN101147030A (en) * | 2005-09-26 | 2008-03-19 | Inetec学院核工艺学有限公司 | DPS-double pusher system for pushing two eddy current probes simultaneously through two steam generator tubes of nuclear power plants |
| US7733084B1 (en) * | 2006-07-19 | 2010-06-08 | O'dell Tom | Eddy current acquisition system |
| CN202101972U (en) * | 2011-05-19 | 2012-01-04 | 国核电站运行服务技术有限公司 | Vortex probe pushing-pulling device |
| CN204310800U (en) * | 2014-11-11 | 2015-05-06 | 济南大学 | A kind of Novel steel wire rope traction machine with automatic tensioning mechanism |
| CN205449886U (en) * | 2015-12-31 | 2016-08-10 | 核动力运行研究所 | A probe drive arrangement for steam generator tubes eddy current inspection |
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| Title |
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| 涡流探头推拔器电气控制系统;张雅伟 等;《无损检测》;20111231;第33卷(第12期);第100-103页 * |
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| CN107677725A (en) | 2018-02-09 |
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