CN201477904U - Driving switch component of fuel rod replacement device - Google Patents
Driving switch component of fuel rod replacement device Download PDFInfo
- Publication number
- CN201477904U CN201477904U CN200920176364XU CN200920176364U CN201477904U CN 201477904 U CN201477904 U CN 201477904U CN 200920176364X U CN200920176364X U CN 200920176364XU CN 200920176364 U CN200920176364 U CN 200920176364U CN 201477904 U CN201477904 U CN 201477904U
- Authority
- CN
- China
- Prior art keywords
- fuel rod
- shaft
- casing
- switching part
- terminal pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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 utility model belongs to a component for a repair system of a fuel component in a pressurized-water reactor nuclear power plant, and particularly relates to a driving switch component of a fuel rod replacement device, which comprises a servo motor. The end surface of the servo motor is connected and fixed with a terminal pad and a disk by a bolt, and connected with a box body by the terminal pad in a hanging way; the terminal pad and a connecting hole in a left side board of the box body are positioned by two bearings and a retainer ring; a center shaft is embedded and connected on a rotating shaft of a servo geared motor; the external diameter of the shaft end of the center shaft is connected and matched with an inner hole in the terminal pad by the bearings; and the other end of the center shaft and the an inner hole of a hollow shaft are embedded and connected for positioning by two bearings, and the other end of the hollow shaft and a connecting hole in a right side board of the box body are positioned by two bearings and a screw cover; and the shaft head of the hollow shaft is provided with a spacer tube and a hand wheel used for being operated manually, and fixed by a nut. The component has the advantages of having convenient operation, and being capable of realizing the running and operating mode of the fuel rod replacement device from power-driven operation to manual operation and from manual operation to power-driven operation.
Description
Technical field
The utility model belongs to the parts of PWR nuclear power plant fuel assembly repair system, is specifically related to a kind of driving switching part of fuel rod replacing device.
Background technology
Fuel rod replacing device is that nuclear power plant detects, changes the burst slug rod, finishes the visual plant of repairing nuclear fuel assembly.Drive switching part and provide driving force, electronic to manually, manually switch and operate for device to the overall process of electronic operation, detection and replacing burst slug rod for the operation of fuel rod replacing device.
Chinese patent CN101271738 discloses a kind of clamping head for fuel rod replacing device and Chinese patent CN86103034 discloses a kind of device that end plug is installed to the fuel rod tube end, all relate to fuel element more changing device and mounting equipment, but the driver part and the concrete structure thereof that all do not relate to fuel rod replacing device are therefore not high with the content degree of correlation of this project.
Summary of the invention
The purpose of this utility model provides a kind of blocked operation by handle, can make device carry out by electronic to manually, manually to electronic operation pattern, and finish detection, change the driving switching part of the fuel rod replacing device of burst slug rod.
The utility model is to realize like this, a kind of driving switching part of fuel rod replacing device, it comprises servomotor, the end face of servo deceleration motor and terminal pad, the disk fork is connected and fixed with bolt, and hang by terminal pad and casing and to be connected, terminal pad and casing left plate connecting hole are by two bearings and ring washer location, central shaft is spliced in the rotating shaft of servo deceleration motor, its axle head external diameter also is connected coupling by bearing with the terminal pad endoporus, the other end of central shaft and the endoporus of tubular shaft are by the two bearings location of splicing, the right plate connecting hole of the other end of tubular shaft and casing is by two bearings and gland location, spindle nose is equipped with a spacer tube and is used for manually operated handwheel, and fixes with nut; On the transmission shaft of forming by central shaft and tubular shaft, round nut, disk spring, round nut, bearing, rocker elements, clutch components, pinion wheel, spacer tube, ratchet are housed successively; The ratchet top also is equipped with the stop locking member that is mated, and stop locking member top is provided with the switching guide block, and the top of an end of casing is equipped with separates lock assembly, and box top is equipped with the handle switching part.
Described clutch components comprises compression plate, and the outer rim of compression plate is with clutch plate, and pressing plate is installed on the compression plate, and friction disc also is installed between pressing plate and the compression plate, friction disc can with the internal friction of clutch plate.
Described rocker elements comprises axle bed; rocking arm is installed on the axle bed by rotating shaft; the rotating shaft of rocking arm also is stuck on the axle bed by bearing pin; the center fixed of rocking arm is connected with bearing retainer; the side upper end of rocking arm also is equipped with rocking bar by bearing pin; an end of rocking bar is equipped with bearing, and rocking bar is installed on the back side panel of casing by bolt.
Described handle switching part comprises rotating disk and big handle, and big handlebar passes the center pit of rotating disk and big handle, and is fixed on the casing by nut.
Described stop locking member comprises spring hitch, and an end of spring hitch is connected with extension spring, and extension spring is connected with stopper arms, and an end of stopper arms is connected with bearing.
The described lock assembly of separating comprises miniature lever, and the miniature lever bar passes the center pit of miniature lever and is fixed on the casing, and an end of miniature lever bar also is connected with shift fork.
The utility model has the advantages that it is easy to operate, by the switching of handle, can realize fuel rod replacing device by electronic to manually, manually to electronic operation pattern; The servo controller of servo deceleration motor configuration can be set suitable output speed according to user's requirement in speed adjustable range, and mates with the detection sensitivity of eddy current sensor.The servo deceleration motor is provided with loss protecting during electric operation, is provided with the ratchet stop component during manual operation and conciliates lock assembly, makes the handoff procedure of device operation safe and reliable.
Description of drawings
Fig. 1 is the driving switching part synoptic diagram of a kind of fuel rod replacing device provided by the utility model;
Fig. 2 is the box part synoptic diagram;
The switching leader block parts synoptic diagram that Fig. 3 is;
Fig. 4 is the clutch components synoptic diagram;
Fig. 5 is the rocker elements synoptic diagram;
Fig. 6 is a handle switching part synoptic diagram;
Fig. 7 is a stop locking block diagram;
Fig. 8 is that the A of Fig. 7 is to synoptic diagram;
Fig. 9 is the release block diagram;
Figure 10 is the central shaft block diagram;
Figure 11 is the tubular shaft block diagram;
Figure 12 is the terminal pad structural representation.
Among the figure, 1 servo deceleration motor, 2 terminal pads, 3 casings, 4 round nuts, 5 disk springs, 6 round nuts, 7 bearings, 8 switch guide block, 9 clutch components, 10 rocker elements, 11 handle switching parts, 12 pinion wheels, 13 central shafts, 14 spacer tubes, 15 ratchets, 16 switch guide block, 17 stop locking members, 18 tubular shafts, 19 handwheels, 20 nuts, 21 spacer tubes, 22 glands, 23 ring washers, 24 disks fork, 25 compression plates, 26 friction discs, 27 pressing plates, 28 clutch plates, 29 bearing pins, 30 axle beds, 31 rocking arms, 32 bearing retainers, 33 rocking bars, 34 bolts, 35 bearings, 36 rotating disks, 37 big handles, 38 big handlebars, 39 stopper arms, 40 bolts, 41 extension springs, 42 spring hitchs, 43 miniature levers, 44 miniature lever bars, 45 shift forks, 46 separate lock assembly.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail:
As shown in Figure 1, driving switching part selects for use servo deceleration motor 1 to be driving force, the end face of servo deceleration motor 1 and terminal pad 2, disk fork 24 usefulness bolts are connected and fixed, and be connected by 3 suspensions of terminal pad 2 and casing, terminal pad 2 is located by a two bearings and a ring washer with casing 3 left plate connecting holes, central shaft 13 is spliced in the rotating shaft of servo deceleration motor 1, its axle head external diameter also is connected coupling by bearing with terminal pad 2 endoporus, the endoporus of the other end of central shaft 13 and tubular shaft 18 is by the two bearings location of splicing, the right plate connecting hole of the other end of tubular shaft 18 and casing 3 is by two bearings and gland 22 location, spindle nose is equipped with a spacer tube 21 and is used for manually operated handwheel 19, and fixing with nut 20; On the transmission shaft of forming by central shaft 13 and tubular shaft 18, round nut 4, disk spring 5, round nut 6, bearing 7, rocker elements 10, clutch components 9, pinion wheel 12, spacer tube 14, ratchet 15 are housed successively; Ratchet 15 tops also are equipped with the stop locking member 17 that is mated, stop locking member 17 tops are provided with switches guide block 16, the top of one end of casing 3 is equipped with separates lock assembly 46, and casing 3 end faces are equipped with handle switching part 11, switch guide block 8, switch the parts such as miniature lever 43, miniature lever bar 44 and shift fork 45 that guide block 16 is conciliate in the lock assembly 46.
As shown in Figure 4, clutch components 9 comprises compression plate 25, and the outer rim of compression plate 25 is with clutch plate 28, and pressing plate 27 is installed on the compression plate 25, between pressing plate 27 and the compression plate 25 friction disc 26 is installed also, friction disc 26 can with the internal friction of clutch plate 28.
As shown in Figure 5, rocker elements 10 comprises axle bed 30, rocking arm 31, bearing retainer 32, rocking bar 33 etc.; rocking arm 31 is installed on the axle bed 30 by rotating shaft; the rotating shaft of rocking arm 31 also is stuck on the axle bed 30 by 29 bearing pins; the centre of rocking arm 31 is connected with bearing retainer 32; side of rocking arm 31 upper end rocking bar 33 also is installed, an end of rocking bar 33 is equipped with bearing 35, rocking bar 33 is fixed on the back side panel of casing by bolt 34.
As shown in Figure 6, handle switching part 11 comprises rotating disk 36 and big handle 37, and big handlebar 38 passes the center pit of rotating disk 36 and big handle 37, and is fixed on the casing 3 by nut.
As shown in Figure 7 and Figure 8, stop locking member 17 comprises spring hitch 42, and an end of spring hitch 42 is connected with extension spring 41, and extension spring 41 is connected with stopper arms 39, one end of stopper arms 39 is connected with bearing 35, and stopper arms 39 is fixed on the right plate of casing by bolt 40.
As shown in Figure 9, separate lock assembly 46 and comprise miniature lever 43, miniature lever bar 44 passes the center pit of miniature lever 43 and is fixed on the casing 3, and an end of miniature lever bar 44 also is connected with shift fork 45.
Wherein the compression plate 25 of clutch components 9 is installed on the central shaft 13, bearing 7 is fastened on the compression plate 25 by round nut 6, and clutch plate 28 is connected on the tubular shaft 18 by a flat key, during the fuel rod replacing device electric operation, big handle 37 is in electronic shelves, clutch components 9 is under the pretension of disk spring 5, with the friction disc 26 and clutch plate 28 closures that are installed in tubular shaft 18 that is fixed on the compression plate 25, when motor rotates, friction disc 26 drives clutch plate 28 and rotates, the pinion wheel 12 that the rotation of clutch plate 28 drives again on the tubular shaft rotates together, and it is steady to drive fuel rod, whether at the uniform velocity by eddy current sensor, it is damaged and pull and push the size of power to detect fuel rod; Rocking arm 31 in the rocker elements 5 is connected in two axle beds 30 by bearing pin 29, two axle beds and casing 3 base plates are fixed, bearing retainer 32 is connected with rocking arm 31 by straight pin with rocking bar 33, and bearing retainer 32 is tight with bearing 7 holders, in addition rocking bar 33 is positioned at by bolt 34 on the connecting hole of casing 3 back side panels and fixes with nut, when big handle 37 switches to when manual, the rotating disk 36 that is connected on the big handlebar 38 drives the guide groove slip of two switching guide blocks along box top, convex surface on the switching guide block 8 slides into the end face of the bearing 35 of rocker elements rocking bar 33, utilize lever principle compressing rocker elements to overcome the pretightning force of disk spring 5, force the compression plate 25 in the clutch components 9 to separate, make device be in manual state with clutch plate 28.And switch guide block 16 under the synchronous drive of rotating disk 36, the convex surface of its bottom leaves the end face of the bearing 35 of stop locking member, under the effect of extension spring 41, force the stopper arms 39 in the stop locking member to be in locking state simultaneously, prevent the landing of fuel rod in the handoff procedure with ratchet 15; During manual operation, stir the miniature lever of separating in the lock assembly 43 earlier, turn on the end face of bearing 35 of stop locking member being connected shift fork 45 on the miniature lever bar 44, utilize lever principle to overcome the tensile force of extension spring 41, stopper arms 39 and ratchet 15 are in unclamp release, after the release, rotate the manual operation that handwheel can grasp, unclamps or pull and push the lifting fuel rod.Fuel rod replacing device by drive switching part by electronic to manually, manually to electronic operation switching, can realize the detection and the replacing of burst slug rod, finish the reparation of damaged fuel assembly.
The servo deceleration motor that drives switching part is connected with casing by terminal pad, and central shaft one end and machine shaft join, the other end and tubular shaft coupling, and the tubular shaft other end passes box side, and spindle nose is installed one and is used for manually operated handwheel.On the transmission shaft of being made up of central shaft and tubular shaft in the casing, parts such as disk spring, rocker elements, clutch components, pinion wheel, ratchet stop component are housed successively, box top is equipped with the handle switching part, switches guide block reconciliation lock assembly.
Wherein the compression plate of clutch components is installed on the central shaft, clutch plate is connected on the tubular shaft; When the fuel rod replacing device electric operation, the big handle of handle switching part is in electronic shelves, clutch components is in closure state under the pretension of dish-shaped-spring stack, the pinion wheel that central shaft drove on the tubular shaft when motor rotated rotates together, pinion wheel steadily passes through eddy current sensor evenly by the rack drives fuel rod of engagement, whether damaged, and record the size that fuel rod pulls and pushes power if detecting fuel rod; When big handle switches to when manual, the rotating disk of handle switching part drives the switching guide block forces rocker elements to overcome the pretightning force of dish-shaped-spring stack, make clutch components be in released state, and switch guide block under rotating disk drives synchronously, force the ratchet stop component to be in locking state, prevent the landing of fuel rod in the handoff procedure; During manual operation, after separating the lock assembly release, rotate handwheel and just can carry out the manual operation of fuel rod replacing device; During manual operation, can accurately locate extracting at a slow speed or unclamp fuel rod.
Claims (6)
1. the driving switching part of a fuel rod replacing device, it is characterized in that: it comprises servomotor (1), the end face of servo deceleration motor (1) and terminal pad (2), disk fork (24) is connected and fixed with bolt, and be connected by the suspension of terminal pad (2) and casing (3), terminal pad (2) is located by a two bearings and a ring washer with casing (3) left plate connecting hole, central shaft (13) is spliced in the rotating shaft of servo deceleration motor (1), its axle head external diameter also is connected coupling by bearing with terminal pad (2) endoporus, the endoporus of the other end of central shaft (13) and tubular shaft (18) is by the two bearings location of splicing, the right plate connecting hole of the other end of tubular shaft (18) and casing (3) is by two bearings and gland (22) location, spindle nose is equipped with a spacer tube (21) and is used for manually operated handwheel (19), and fixing with nut (20); On the transmission shaft of forming by central shaft (13) and tubular shaft (18), round nut (4), disk spring (5), round nut (6), bearing (7), rocker elements (10), clutch components (9), pinion wheel (12), spacer tube (14), ratchet (15) are housed successively; Ratchet (15) top also is equipped with the stop locking member (17) that is mated, stop locking member (17) top is provided with switches guide block (16), the top of one end of casing (3) is equipped with separates lock assembly (46), and casing (3) end face is equipped with handle switching part (11).
2. the driving switching part of a kind of fuel rod replacing device as claimed in claim 1, it is characterized in that: described clutch components (9) comprises compression plate (25), the outer rim of compression plate (25) is with clutch plate (28), pressing plate (27) is installed on the compression plate (25), between pressing plate (27) and the compression plate (25) friction disc (26) is installed also, friction disc (26) can with the internal friction of clutch plate (28).
3. the driving switching part of a kind of fuel rod replacing device as claimed in claim 1, it is characterized in that: described rocker elements (10) comprises axle bed (30); rocking arm (31) is installed on the axle bed (30) by rotating shaft; the rotating shaft of rocking arm (31) also is stuck on the axle bed (30) by (29) bearing pin; the center fixed of rocking arm (31) is connected with bearing retainer (32); the side upper end of rocking arm (31) also is equipped with rocking bar (33) by bearing pin; an end of rocking bar (33) is equipped with bearing (35), and rocking bar (33) is installed on the back side panel of casing (3) by bolt (34).
4. the driving switching part of a kind of fuel rod replacing device as claimed in claim 1, it is characterized in that: described handle switching part (11) comprises rotating disk (36) and big handle (37), big handlebar (38) passes the center pit of rotating disk (36) and big handle (37), and is fixed on the casing (3) by nut.
5. the driving switching part of a kind of fuel rod replacing device as claimed in claim 1, it is characterized in that: described stop locking member (17) comprises spring hitch (42), one end of spring hitch (42) is connected with extension spring (41), extension spring (41) is connected with stopper arms (39), and an end of stopper arms (39) is connected with bearing (35).
6. the driving switching part of a kind of fuel rod replacing device as claimed in claim 1, it is characterized in that: the described lock assembly (46) of separating comprises miniature lever (43), miniature lever bar (44) passes the center pit of miniature lever (43) and is fixed on the casing (3), and an end of miniature lever bar (44) also is connected with shift fork (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920176364XU CN201477904U (en) | 2009-09-03 | 2009-09-03 | Driving switch component of fuel rod replacement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920176364XU CN201477904U (en) | 2009-09-03 | 2009-09-03 | Driving switch component of fuel rod replacement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201477904U true CN201477904U (en) | 2010-05-19 |
Family
ID=42414161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920176364XU Expired - Lifetime CN201477904U (en) | 2009-09-03 | 2009-09-03 | Driving switch component of fuel rod replacement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201477904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534657A (en) * | 2018-06-05 | 2018-09-14 | 河北工业大学 | A kind of passive self-adaptive kernel fuel assembly multifunctional detecting device |
| CN108655955A (en) * | 2018-05-10 | 2018-10-16 | 王荣太 | Intelligent machine tool clutch |
-
2009
- 2009-09-03 CN CN200920176364XU patent/CN201477904U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655955A (en) * | 2018-05-10 | 2018-10-16 | 王荣太 | Intelligent machine tool clutch |
| CN108534657A (en) * | 2018-06-05 | 2018-09-14 | 河北工业大学 | A kind of passive self-adaptive kernel fuel assembly multifunctional detecting device |
| CN108534657B (en) * | 2018-06-05 | 2019-10-15 | 河北工业大学 | A kind of passive self-adaptive kernel fuel assembly multifunctional detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NUCLEAR POWER QINSHAN CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110726 Address after: 200233 Shanghai city Xuhui District Hong Cao Road No. 29 Co-patentee after: Nuclear Power Qinshan Co., Ltd. Patentee after: Shanghai Nuclear Engineering Research and Design Inst. Address before: 200233 Shanghai city Xuhui District Hong Cao Road No. 29 Patentee before: Shanghai Nuclear Engineering Research and Design Inst. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |