CN103151082A - Casing pipe vortex detection device of electric heating element of voltage stabilizer of nuclear power plant - Google Patents
Casing pipe vortex detection device of electric heating element of voltage stabilizer of nuclear power plant Download PDFInfo
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- CN103151082A CN103151082A CN2013100704414A CN201310070441A CN103151082A CN 103151082 A CN103151082 A CN 103151082A CN 2013100704414 A CN2013100704414 A CN 2013100704414A CN 201310070441 A CN201310070441 A CN 201310070441A CN 103151082 A CN103151082 A CN 103151082A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention relates to a vortex detection device of a casing pipe of an electric heating element of a voltage stabilizer of a nuclear power plant. The vortex detection device of the casing pipe of the electric heating element of the voltage stabilizer of the nuclear power plant comprises a main trolley mechanism, a lock chain mechanism, a linear motion mechanism, a probe guide mechanism and a main control device, wherein the main trolley mechanism comprises a trolley main body and motion wheels; a first drive device is arranged inside the trolley main body and is in transmission connection with the motion wheels; the lock chain mechanism comprises two roller chain groups and an auxiliary trolley; one end of each of the two roller chain groups is connected with the trolley main body, and the other ends of the two roller chain groups are connected with the auxiliary trolley; the linear motion mechanism comprises an axial motion part and a radial motion part; the probe guide mechanism comprises a base, a monitoring module, a guide pipe joint and a guide port; the guide pipe joint and the guide port are arranged on the base; and a lamp and a camera are arranged inside the monitoring device. The vortex detection device provided by the invention has three freedom degrees; the components are convenient and fast to mount and dismount and simple to operate, fast vortex detection of the casing pipe of the electric heating element in a full range can be realized, and the use is reliable, stable and safe.
Description
Technical field
The sleeve pipe of electrical heating elements that the present invention relates to a kind of voltage stabilizer of the electrical heating type for nuclear power station is used carries out the device of eddy current inspection.
Background technology
Voltage stabilizer is one of nuclear power station key equipment, and it directly affects the running quality of nuclear reactor.The voltage stabilizer of pressurized-water reactor nuclear power plant can be divided into air-tank style and electrical heating type voltage stabilizer by the version difference.The cylindrical shell upper and lower part of electrical heating type voltage stabilizer is hemispherical head, the equal built-up welding austenitic stainless steel of inner and cooling surface in contact.It is connected with trunk line by the fluctuation pipe of bottom, and when nuclear power station stable operation, in voltage stabilizer, the volume of steam and water respectively accounts for half.The voltage stabilizer upper cover is provided with spraying adapters, pressure-release valve etc., at low head, electrical heating elements is installed, by heating and spray water cooling come pressure in control loop and the variation of water capacity.
Electrical heating elements is distributed on the concentric circles of low head center line, be connected with low head by the electric heater sleeve pipe, electrical heating elements is immersed in water, heat can directly exchange, but can make like this electrical heating elements sleeve pipe bear instantaneous temperature variation, so the quality of electrical heating elements sleeve pipe seem particularly important.
Go wrong for fear of the electrical heating elements sleeve pipe, need to carry out eddy current inspection to it.In checking process, need to carry out to the electrical heating elements sleeve pipe the comprehensive inspection of circumferencial direction, and improve the efficient that checks as much as possible, be subjected to the dosage of photograph to reduce the supervisory personnel.But in prior art, the device that satisfies above-mentioned requirements is not arranged also, thus need to relate to a kind of can quickness and high efficiency the electrical heating elements sleeve pipe is carried out the device of omnibearing eddy current inspection.
Summary of the invention
What the purpose of this invention is to provide that a kind of automaticity is higher, easy to use, safety and stability is higher can carry out to nuclear power plant voltage stabilizer electrical heating elements sleeve pipe the device of eddy current inspection.
For achieving the above object, the technical solution used in the present invention is:
A kind of nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device, the sleeve pipe of the electrical heating elements in the electrical heating type voltage stabilizer equipment that is used for nuclear power station is used carries out eddy current inspection, and it comprises promotes mainly mechanism of car, locking chain mechanism, straight-line motion mechanism, probe guide and main control unit;
The described mechanism of car of promoting mainly comprises cart body and is arranged at several moving wheels on described cart body, be provided with the first drive unit that connects with signal with described main control unit in described cart body, described the first drive unit is in transmission connection mutually with at least one described moving wheel;
Described locking chain mechanism comprises two roller chain groups and accessory cart, article two, an end of described roller chain group is connected with described cart body by spring respectively, article one, the other end of described roller chain group and described accessory cart are fixedly connected, and the other end of another described roller chain group is connected with described accessory cart is mutually dismountable; Described cart body, described roller chain group and described accessory cart consist of also can be along its annular mechanism that circumferentially moves on the excircle of the straight length of described sleeve pipe around cuff;
described straight-line motion mechanism comprises axially-movable part and radial motion part, described axially-movable partly comprises the axially-movable track, being arranged at also can be along the axially-movable piece that axially moves of described axially-movable track on described axially-movable track, and described main control unit connects with signal and drives the second drive unit that relatively moves between described axially-movable track and described axially-movable piece, described axially-movable track, described the second drive unit all is arranged on described cart body and is positioned at the outside of described annular mechanism, the axial axial setting along described annular mechanism of described axially-movable track, the oblique arm that described radial motion partly comprises and described axially-movable piece is fixedly connected, be arranged on described oblique arm and can along the axially movable radial motion piece of described oblique arm, and described main control unit connect with signal and drive the 3rd drive unit that relatively moves between described oblique arm and described radial motion piece, described the 3rd drive unit is arranged on described oblique arm, described oblique arm axially along the radially setting of described annular mechanism, and described oblique arm is obliquely installed along the cross section of described annular mechanism,
Described probe guide is arranged on described radial motion piece, and it comprises pedestal, be installed on monitoring module on described pedestal, be arranged at pipe joint and guiding port on described pedestal, is provided with lamp and camera in described monitoring module.
Preferably, be provided with four described moving wheels on described cart body, a described moving wheel component in twos is one group of driving wheel and one group of engaged wheel, connect by the main drive shaft same axis between two described driving wheels, two described engaged wheels are connected with described cart body by driven shaft respectively, described the first drive unit is in transmission connection mutually with described main drive shaft, and described the first drive unit is the first drive motor.
Preferably, described the first drive unit is the first drive motor, be provided with transmission shaft on described cart body, described transmission shaft is connected with the output shaft same axis of described the first drive motor, the output shaft of described the first drive motor is provided with the driven wheel with its coaxial rotation, be provided with the follower gear with its coaxial rotation on described driving shaft, described driven wheel and described follower gear are meshed.
Preferably, described roller chain group comprises some roller chains, described roller chain comprises the roller link that several are in series, and also distributing along its bearing of trend on described roller chain is provided with several steamboats, and the end of described roller chain is provided with web member.
preferably, described roller chain group comprises three described roller chains, be respectively the first chain, the second chain and the 3rd chain, the first end of described the first chain is connected by head rod with the first end of described the second chain, the second end of described the first chain is connected by the second connecting link with the second end of described the second chain, described the first chain, described the second chain, described head rod, described the second connecting link consists of rectangular configuration, be respectively arranged with wheel on described head rod and described the second connecting link, described the second connecting link is connected with described cart body by two described springs, one end of described the 3rd chain is connected with the middle part of described head rod, and the other end of described the 3rd chain is connected with described accessory cart.
Preferably, described accessory cart comprises car body and is arranged at roller on described car body, article one, the end of described roller chain group is fixedly connected by adjustable connecting rod mechanism and described car body, and the end of another described roller chain group is connected with described car body is mutually dismountable by bolt mechanism;
Described adjustable connecting rod mechanism comprises and rotatingly is installed on adjusting screw on described car body, is arranged on described adjusting screw and the adjusting screw nut that moves along its axis, is arranged at the arc-shaped connecting rod on described adjusting screw nut, one end of described adjusting screw is provided with set nut, locks by embolism between described arc-shaped connecting rod and described adjusting screw nut; Described adjusting screw is installed on described car body by the adjusting screw seat;
Described bolt mechanism comprises the pluggable pin member that is arranged on described car body, and the end of described roller chain group offers the pin hole that matches with described pin member.
Preferably, two the first guide rails that described axially-movable track comprises the first leading screw, is arranged at the axial both sides of described the first leading screw and parallels with it, described axially-movable piece comprises the first feed screw nut of matching with described the first leading screw and matches with described the first guide rail and merge the first slide block that links with described the first feed screw nut, and described the first leading screw is installed on described cart body by the first leading screw seat.
Preferably, two the second guide rails that described oblique arm comprises body, the second leading screw, is arranged at the axial both sides of described the second leading screw and parallels with it, described radial motion piece comprises the second feed screw nut of matching with described the second leading screw and matches with described the second guide rail and merge the second slide block that links with described the second feed screw nut, and described the second leading screw is installed on described body by the second leading screw seat.
Preferably, it also comprises several scramblers that connect with signal with described main control unit and calculate respectively the stroke of described cart body, described axially-movable part, described radial motion part.
Preferably, described the second drive unit comprises the second drive motor and the first speed reduction unit that is connected with described the second drive motor; Described the 3rd drive unit comprises the 3rd drive motor and the second speed reduction unit that is connected with described the 3rd drive motor.
Because technique scheme is used, the present invention compared with prior art has following advantages: eddy current inspection device of the present invention has three degree of freedom, it is convenient, simple to operate that each several part is installed and dismantled, can realize quick, the FR eddy current inspection to the electrical heating elements sleeve pipe, its dependability is high, stability and safety.
Description of drawings
Accompanying drawing 1 is the overall schematic of nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device of the present invention.
Accompanying drawing 2 is the side-looking enlarged diagram of promoting mainly mechanism of car of nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device of the present invention.
Accompanying drawing 3 is the structure enlarged diagram of the roller chain of nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device of the present invention.
Accompanying drawing 4 is looked enlarged diagram for the master of the accessory cart of nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device of the present invention.
Accompanying drawing 5 is the structural representation of the axially-movable part of nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device of the present invention.
Accompanying drawing 6 is the structure enlarged diagram of the radial motion part of nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device of the present invention.
Accompanying drawing 7 is the structure enlarged diagram of the probe guide of nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device of the present invention.
In above accompanying drawing: 1, promote mainly mechanism of car; 11, cart body; 12, moving wheel; 121, driving wheel; 122, engaged wheel; 13, main drive shaft; 14, driven shaft; 15, the first drive motor; 16, transmission shaft; 17, driven wheel;
2, locking chain mechanism; 21, roller chain group; 211, roller chain; 2111, roller link; 2112, steamboat; 2113, web member; 212, the first chain; 213, the second chain; 214, the 3rd chain; 215, head rod; 216, the second connecting link; 217, wheel; 22, accessory cart; 221, car body; 222, roller; 223, adjustable connecting rod mechanism; 2231, adjusting screw; 2232, adjusting screw nut; 2233, arc-shaped connecting rod; 2234, set nut; 2235, embolism; 2236, adjusting screw seat; 224, bolt mechanism; 2241, pin member; 23, spring;
3, straight-line motion mechanism; 31, axially-movable part; 311, axially-movable track; 3111, the first metal base plate; 3112, the first leading screw; 3113, the first guide rail; 3114, the first leading screw seat; 312, axially-movable piece; 3121, the first feed screw nut; 3122, the first slide block; 313, the second drive unit; 3131, the second drive motor; 3132, the first speed reduction unit; 3133, the first shaft coupling; 314, first sensor; 32, radial motion part; 321, oblique arm; 3211, the second metal base plate; 3212, body; 3213, the second leading screw; 3214, the second guide rail; 3215, the second leading screw seat; 322, radial motion piece; 3221, the second feed screw nut; 3222, the second slide block; 323, the 3rd drive unit; 3231, the 3rd drive motor; 3232, the second speed reduction unit; 3233, the second shaft coupling; 324, the second sensor;
4, probe guide; 41, pedestal; 42, monitoring module; 421, lamp; 422, camera; 43, pipe joint; 44, guiding port; 45, slide block panel;
5, scrambler.
Embodiment
The invention will be further described below in conjunction with embodiment shown in the drawings.
Embodiment one: shown in accompanying drawing 1.A kind of nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device, the sleeve pipe of the electrical heating elements in the electrical heating type voltage stabilizer equipment that is used for nuclear power station is used carries out eddy current inspection.This eddy current inspection device comprises promotes mainly mechanism of car 1, locking chain mechanism 2, straight-line motion mechanism 3, probe guide 4 and main control unit.When on probation its carries out eddy current inspection, need be fixed on the outer tube wall of straight length of electrical heating elements sleeve pipe, main control unit is controlled its motion, realizes accurately location.
Shown in accompanying drawing 2.Promoting mainly mechanism of car 1 comprises cart body 11 and is arranged at several moving wheels 12 on cart body 11.Cart body 11 is betal can, is provided with the first drive unit that connects with signal with main control unit in it, and the first drive unit is in transmission connection mutually with at least one moving wheel 12 and rotates for actuation movement wheel 12.
In the present embodiment, be provided with four moving wheels 12 on cart body 11, moving wheel 12 component in twos is one group of driving wheel 121 and one group of engaged wheel 122, connect by main drive shaft 13 same axis between two driving wheels 121, two engaged wheels 122 are connected with cart body 11 by driven shaft 14 respectively, and the first drive unit is in transmission connection mutually with main drive shaft 13.The first drive unit is the first drive motor 15, be provided with transmission shaft 16 on cart body 11, transmission shaft 16 is connected with the output shaft same axis of the first drive motor 15, the output shaft of the first drive motor 15 is provided with the driven wheel 17 with its coaxial rotation, be provided with the follower gear with its coaxial rotation on driving shaft, driven wheel 17 and follower gear are meshed.When the first drive motor 15 running, its by the driven wheel 17 that is meshed and follower gear with transmission of power to driving shaft, thereby driving wheel 121 is moved along the outer tube wall of straight length, and driven shaft 14 is synchronizeed with driving shaft and is rotated.Be provided with the scrambler 5 that connects with signal with main control unit on driven shaft 14, be used for calculating and promote mainly the stroke that mechanism of car 1 made progress in the week of tube wall.
Locking chain mechanism 2 comprises two roller chain groups 21 and accessory cart 22.Article two, an end of roller chain group 21 is connected with cart body 11 by spring 23 respectively, and the other end of a roller chain group 21 and accessory cart 22 are fixedly connected, and the other end of another roller chain group 21 is connected with accessory cart 22 is mutually dismountable.
Shown in accompanying drawing 4.Accessory cart 22 comprises car body 221 and is arranged at roller 222 on car body 221, article one, the end of roller chain group 21 is fixedly connected by adjustable connecting rod mechanism 223 and car body 221, and the end of another roller chain group 21 is connected with car body 221 is mutually dismountable by bolt mechanism 224.
Adjustable connecting rod mechanism 223 comprises and rotatingly is installed on adjusting screw 2231 on car body 221, is arranged on adjusting screw 2231 and the adjusting screw nut 2232 that moves along its axis, is arranged at the arc-shaped connecting rod 2233 on adjusting screw nut 2232, one end of adjusting screw 2231 is provided with set nut 2234, locks by embolism 2235 between arc-shaped connecting rod 2233 and adjusting screw nut 2232.Adjusting screw 2231 is installed on car body 221 by adjusting screw seat 2236.When adjusting lock nut 2234, can make adjusting screw nut 2232 drive arc-shaped connecting rod 2233 moves along adjusting screw 2231, thereby realize the degree of tightness adjustment of loop configuration, the elastic force by spring 23 make loop configuration suitable around hoop week of tube wall upwards.
Straight-line motion mechanism 3 comprises axially-movable part 31 and radial motion part 32.
Shown in accompanying drawing 5.Axially-movable part 31 comprises axially-movable track 311, be arranged on axially-movable track 311 and the axially-movable piece 312 that axially moves, the second drive unit 313 that connects with signal and also relatively move between driving axial tracks 311 and axially-movable piece 312 with main control unit of tracks 311 vertically.Axially-movable track 311, the second drive unit 313 all are arranged on cart body 11 by the first metal base plate 3111 and are positioned at the outside of annular mechanism.The axial setting of the annular mechanism in axial edge of axially-movable track 311, two the first guide rails 3113 that it comprises the first leading screw 3112, is arranged at the axial both sides of the first leading screw 3112 and parallels with it.Wherein, the first leading screw 3112 is installed on cart body 11 by the first leading screw seat 3114, and the first leading screw seat 3114 and the first guide rail 3113 are fixedly installed on cart body 11 by screw.Axially-movable piece 312 comprises the first feed screw nut 3121 of matching with the first leading screw 3112 and matches with the first guide rail 3113 and merges the first slide block 3122 that links with the first feed screw nut 3121.The second drive unit 313 is connected by the first shaft coupling 3133 same axis with the first leading screw 3112 for the second drive motor 3131 of being connected and the output shaft of the first speed reduction unit 3132, the first speed reduction units 3132.Also be provided with the scrambler 5 that connects with signal with main control unit and calculate axial stroke on the first speed reduction unit 3132.Be provided with first sensor 314 on the first track 311, it is used for setting the zero point of stroke.When the second drive unit 313 running, axially-movable piece 312 is moving axially of tracks 311 vertically, thereby regulate the height of eddy current probe.
Shown in accompanying drawing 6.Radial motion part 32 comprises the oblique arm 321 that is fixedly connected by the second metal base plate 3211 and axially-movable piece 312, be arranged on oblique arm 321 and can along the axially movable radial motion piece 322 of oblique arm 321, and main control unit connect with signal and drive the 3rd drive unit 323 that relatively moves between oblique arm 321 and radial motion piece 322.The 3rd drive unit 323 is arranged on oblique arm 321, oblique arm 321 comprises body 3212, the second leading screw 3213, be arranged at the axial both sides of the second leading screw 3213 and two the second guide rail 3214, the second leading screws 3213 paralleling with it are installed on body 3212 by the second leading screw seat 3215.The radially setting of the annular mechanism in axial edge of oblique arm 321, and oblique arm 321 is obliquely installed along the cross section of annular mechanism.Wherein, the 3rd drive unit 323 comprises that the 3rd drive motor 3231 that is connected and the output shaft of the second speed reduction unit 3232, the second speed reduction units 3232 are connected by the second shaft coupling 3233 same axis with the second leading screw 3213.Also be provided with the scrambler 5 that connects with signal with main control unit and calculate radial stroke on the second speed reduction unit 3232.Also be provided with the second sensor 324 on body 3212, it is used for setting the zero point of stroke.Radial motion piece 322 comprises the second feed screw nut 3221 of matching with the second leading screw 3213 and matches with the second guide rail 3214 and merges the second slide block 3222 that links with the second feed screw nut 3221.When the 3rd drive unit 323 running, radial motion piece 322 is moving axially of tracks radially, thereby sleeve pipe is carried out radial location.
Shown in accompanying drawing 7.Probe guide 4 is used for the introduction of eddy currents detection probe and enters in the electrical heating elements sleeve pipe, it is arranged on radial motion piece 322, it comprises pedestal 41, be installed on monitoring module 42 on pedestal 41, be arranged at pipe joint 43 and guiding port 44 on pedestal 41, is provided with lamp 421 and camera 422 in monitoring module 42.Lamp 421 adopts the LED lamps, and it provides monitoring, illumination, and camera 422 is used for the discrepancy situation of monitoring probe, guarantees the safety of checkout equipment and the quality of testing.Pipe joint 43 and guiding port 44 joint steel pipes are fixed on pedestal 41, pipe joint 43 is connected with conduit, EDDY CURRENT enters in tested pipe by guiding port 44 with probe, the probe guide mechanism is fixed on the radial motion module by slide block panel 45, two degree of freedom by axially-movable part 31 and radial motion part 32 realize popping one's head in guide mechanism axially and the radial motion position adjustments.
This nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device has 4 parts, and have circumferentially, axially, 3 degree of freedom radially, the each several part installing/dismounting is quick, convenient in carrying, simple in structure, easily operation, automaticity is higher, and dependability is high, stability and safety, can realize the self-verifying of voltage stabilizer electrical heating elements sleeve pipe in four corner, improve the work efficiency of eddy current test, reduce the dosage that the inservice inspection personnel are subjected to photograph.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow person skilled in the art scholar can understand content of the present invention and implement according to this, can not limit protection scope of the present invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device, the sleeve pipe of the electrical heating elements in the electrical heating type voltage stabilizer equipment that is used for nuclear power station is used carries out eddy current inspection, it is characterized in that: it comprises promotes mainly mechanism of car, locking chain mechanism, straight-line motion mechanism, probe guide and main control unit;
The described mechanism of car of promoting mainly comprises cart body and is arranged at several moving wheels on described cart body, be provided with the first drive unit that connects with signal with described main control unit in described cart body, described the first drive unit is in transmission connection mutually with at least one described moving wheel;
Described locking chain mechanism comprises two roller chain groups and accessory cart, article two, an end of described roller chain group is connected with described cart body by spring respectively, article one, the other end of described roller chain group and described accessory cart are fixedly connected, and the other end of another described roller chain group is connected with described accessory cart is mutually dismountable; Described cart body, described roller chain group and described accessory cart consist of also can be along its annular mechanism that circumferentially moves on the excircle of the straight length of described sleeve pipe around cuff;
described straight-line motion mechanism comprises axially-movable part and radial motion part, described axially-movable partly comprises the axially-movable track, being arranged at also can be along the axially-movable piece that axially moves of described axially-movable track on described axially-movable track, and described main control unit connects with signal and drives the second drive unit that relatively moves between described axially-movable track and described axially-movable piece, described axially-movable track, described the second drive unit all is arranged on described cart body and is positioned at the outside of described annular mechanism, the axial axial setting along described annular mechanism of described axially-movable track, the oblique arm that described radial motion partly comprises and described axially-movable piece is fixedly connected, be arranged on described oblique arm and can along the axially movable radial motion piece of described oblique arm, and described main control unit connect with signal and drive the 3rd drive unit that relatively moves between described oblique arm and described radial motion piece, described the 3rd drive unit is arranged on described oblique arm, described oblique arm axially along the radially setting of described annular mechanism, and described oblique arm is obliquely installed along the cross section of described annular mechanism,
Described probe guide is arranged on described radial motion piece, and it comprises pedestal, be installed on monitoring module on described pedestal, be arranged at pipe joint and guiding port on described pedestal, is provided with lamp and camera in described monitoring module.
2. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device according to claim 1, it is characterized in that: be provided with four described moving wheels on described cart body, a described moving wheel component in twos is one group of driving wheel and one group of engaged wheel, connect by the main drive shaft same axis between two described driving wheels, two described engaged wheels are connected with described cart body by driven shaft respectively, described the first drive unit is in transmission connection mutually with described main drive shaft, and described the first drive unit is the first drive motor.
3. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device according to claim 2, it is characterized in that: be provided with transmission shaft on described cart body, described transmission shaft is connected with the output shaft same axis of described the first drive motor, the output shaft of described the first drive motor is provided with the driven wheel with its coaxial rotation, be provided with the follower gear with its coaxial rotation on described driving shaft, described driven wheel and described follower gear are meshed.
4. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device according to claim 1, it is characterized in that: described roller chain group comprises some roller chains, described roller chain comprises the roller link that several are in series, also distributing along its bearing of trend on described roller chain is provided with several steamboats, and the end of described roller chain is provided with web member.
5. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device according to claim 4, it is characterized in that: described roller chain group comprises three described roller chains, be respectively the first chain, the second chain and the 3rd chain, the first end of described the first chain is connected by head rod with the first end of described the second chain, the second end of described the first chain is connected by the second connecting link with the second end of described the second chain, described the first chain, described the second chain, described head rod, described the second connecting link consists of rectangular configuration, be respectively arranged with wheel on described head rod and described the second connecting link, described the second connecting link is connected with described cart body by two described springs, one end of described the 3rd chain is connected with the middle part of described head rod, and the other end of described the 3rd chain is connected with described accessory cart.
6. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device according to claim 1, it is characterized in that: described accessory cart comprises car body and is arranged at roller on described car body, article one, the end of described roller chain group is fixedly connected by adjustable connecting rod mechanism and described car body, and the end of another described roller chain group is connected with described car body is mutually dismountable by bolt mechanism;
Described adjustable connecting rod mechanism comprises and rotatingly is installed on adjusting screw on described car body, is arranged on described adjusting screw and the adjusting screw nut that moves along its axis, is arranged at the arc-shaped connecting rod on described adjusting screw nut, one end of described adjusting screw is provided with set nut, locks by embolism between described arc-shaped connecting rod and described adjusting screw nut; Described adjusting screw is installed on described car body by the adjusting screw seat;
Described bolt mechanism comprises the pluggable pin member that is arranged on described car body, and the end of described roller chain group offers the pin hole that matches with described pin member.
7. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device according to claim 1, it is characterized in that: two the first guide rails that described axially-movable track comprises the first leading screw, is arranged at the axial both sides of described the first leading screw and parallels with it, described axially-movable piece comprises the first feed screw nut of matching with described the first leading screw and matches with described the first guide rail and merge the first slide block that links with described the first feed screw nut, and described the first leading screw is installed on described cart body by the first leading screw seat.
8. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device according to claim 1, it is characterized in that: two the second guide rails that described oblique arm comprises body, the second leading screw, is arranged at the axial both sides of described the second leading screw and parallels with it, described radial motion piece comprises the second feed screw nut of matching with described the second leading screw and matches with described the second guide rail and merge the second slide block that links with described the second feed screw nut, and described the second leading screw is installed on described body by the second leading screw seat.
9. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device according to claim 1 is characterized in that: it also comprises several scramblers that connect with signal with described main control unit and calculate respectively the stroke of described cart body, described axially-movable part, described radial motion part.
10. nuclear power plant voltage stabilizer electrical heating elements sleeve pipe eddy current inspection device according to claim 1, it is characterized in that: described the second drive unit comprises the second drive motor and the first speed reduction unit that is connected with described the second drive motor; Described the 3rd drive unit comprises the 3rd drive motor and the second speed reduction unit that is connected with described the 3rd drive motor.
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| CN201310070441.4A CN103151082B (en) | 2013-03-06 | 2013-03-06 | Nuclear power plant voltage stabilizer electrical heating elements sleeve pipe pipe vortex detection device |
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| CN201310070441.4A CN103151082B (en) | 2013-03-06 | 2013-03-06 | Nuclear power plant voltage stabilizer electrical heating elements sleeve pipe pipe vortex detection device |
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| CN103151082A true CN103151082A (en) | 2013-06-12 |
| CN103151082B CN103151082B (en) | 2016-01-20 |
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| CN104741839A (en) * | 2013-12-30 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Device for automatically detecting weld joint of low-pressure welding rotor of steam turbine for nuclear power station |
| CN105280252A (en) * | 2014-07-25 | 2016-01-27 | 中核武汉核电运行技术股份有限公司 | Video examination apparatus of voltage-stabilizer electric heating element components |
| CN107991382A (en) * | 2017-10-16 | 2018-05-04 | 中广核检测技术有限公司 | A kind of pipe vortex detection device |
| CN108006411A (en) * | 2017-11-29 | 2018-05-08 | 北京石油化工学院 | Electrical heating elements camera system |
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Address after: 1258, room 518031, Zhonghe building, 2002 Shennan Middle Road, Shenzhen, Guangdong, Futian District Applicant after: CGNPC Inspection Technology Co., Ltd. Applicant after: Suzhou Nuclear Power Research Institute Co., Ltd. Applicant after: China General Nuclear Power Corporation Address before: 1258, room 518031, Zhonghe building, 2002 Shennan Middle Road, Shenzhen, Guangdong, Futian District Applicant before: CGNPC Inspection Technology Co., Ltd. Applicant before: Suzhou Nuclear Power Research Institute Co., Ltd. Applicant before: China Guangdong Nuclear Power Group Co., Ltd. |
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