CN214336341U - Nuclear fuel pellet detecting and lengthening device - Google Patents
Nuclear fuel pellet detecting and lengthening device Download PDFInfo
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- CN214336341U CN214336341U CN202120401920.XU CN202120401920U CN214336341U CN 214336341 U CN214336341 U CN 214336341U CN 202120401920 U CN202120401920 U CN 202120401920U CN 214336341 U CN214336341 U CN 214336341U
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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
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Abstract
The utility model belongs to the technical field of nuclear fuel corollary equipment, in particular to detection row length device of nuclear fuel pellet, including transmission system, pellet week carousel removes the transmission according to transmission system's transmission route, pellet automatic check mechanism has set gradually along transmission system's transmission route, pellet row length detection mechanism, the automatic feed supplement mechanism of end pellet, pellet row length reinspection mechanism, wherein, pellet row length detection mechanism is including spaning the track in the transmission system top, but the gliding mounting bracket is installed in the cooperation on the track, install length measuring apparatu on the mounting bracket, end pellet row length reinspection mechanism includes the mechanical arm device, the suction nozzle device is installed to the output of mechanical arm device, pellet row length reinspection mechanism is the same with pellet row length detection mechanism in the design.
Description
Technical Field
The utility model belongs to the technical field of nuclear fuel corollary equipment, in particular to detection of nuclear fuel pellet arranges long device.
Background
In practical application, nuclear fuel is arranged and loaded into a cladding tube in a pellet form, and strict requirements are imposed on the arrangement length, so that a certain number of pellets need to be arranged, pressed, measured and fixed before pellet loading, and then the arranged pellets need to be loaded into the tube.
At present, many long core block row operations still need to be completed manually: manually pushing the pellets into the length-arranging guide plate one by one, manually pressing the pellet columns to fix the length, continuously pushing the arranged pellet columns backwards to the tubulation material tray, repeating the steps until the tubulation material tray is full, and conveying the tubulation material tray to a tubulation station to perform tubulation. The manual lengthening operation has low automation degree, so that the assembly efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a nuclear fuel pellet detecting and lengthening device, which comprises a transmission system, a pellet peripheral turntable is detachably matched and arranged on the transmission system and can horizontally move and transmit according to the transmission route of the transmission system,
the pellet turnover disc comprises a horizontally arranged rectangular frame, a plurality of support rods with the length direction being horizontal from left to right are horizontally and fixedly arranged on the frame at intervals from front to back, an arrangement groove is formed between the two adjacent support rods, the two ends of the arrangement groove along the length direction of the arrangement groove are both provided with openings, pellets are embedded in the arrangement groove downwards in a matching way, a plurality of pellets embedded in the same arrangement groove in a matching way are sequentially arranged from left to right to form a pellet column,
when the core blocks are downwards embedded in the arrangement grooves in a matching way, the core blocks are supported by the common supporting action of the front and the rear supporting rods forming the arrangement grooves, the core blocks are in a cylindrical structure, the core blocks in the same core block row are coaxially arranged,
an automatic pellet block detection mechanism, a pellet block row length detection mechanism, an automatic pellet block end feeding mechanism and a pellet block row length rechecking mechanism are sequentially arranged along the conveying route of the conveying system,
the automatic core block detection mechanism comprises a visual robot, the visual robot scans each core block passing from the top to the bottom, so that whether the scanned surface of the core block has defects such as holes, cracks, grinding marks, inclusions and the like or not is known, and the qualified rate of the core block is improved or supervised;
the core block column length detection mechanism comprises a track which is horizontal in the length direction and stretches across the upper part of a transmission system, the track is perpendicular to the transmission direction of the core block when a rotating disc passes through the lower part of the track along the length direction of the track, a mounting frame which can slide in a reciprocating manner along the length direction of the track is mounted on the track in a matching manner, an air cylinder is fixedly mounted on the mounting frame, a telescopic rod extends downwards and vertically from the air cylinder, the bottom end of the telescopic rod is fixed with a measuring instrument main body, the air cylinder can drive the length measuring instrument to move up and down in a reciprocating manner along the vertical direction through the telescopic rod, the length measuring instrument comprises a measuring instrument main body, a static measuring head and a movable side head which extend downwards and vertically from the measuring instrument main body, the static measuring head and the movable side head are always arranged in a facing manner at intervals, the static measuring head is fixed on the measuring instrument main body, and the movable side head can slide in a reciprocating manner along the linear direction parallel to the length direction of the core block column to be close to or far away from the static measuring head, clamping or releasing the pellet column by matching with the static measuring head;
the automatic end core block feeding mechanism comprises a mechanical arm device, the mechanical arm device comprises a base fixedly arranged on one side of a transmission system, a turntable with a horizontal disc surface is axially and rotatably arranged on the top of the base, a fixed seat is fixedly arranged on the upper disc surface of the turntable and is hinged with one end of the first mechanical arm in the length direction, a first motor is further arranged on the fixed seat, the output end of the first motor is in transmission connection with the first mechanical arm through a roller shaft so as to control the swinging position of the first mechanical arm relative to the fixed seat,
one end of the second mechanical arm in the length direction is hinged with one end of the first mechanical arm in the length direction, which is far away from the fixed seat, a second motor is arranged on the first mechanical arm at a position close to the second mechanical arm, the output end of the second motor is in transmission connection with the second mechanical arm through a roll shaft so as to control the swinging position of the second mechanical arm relative to the first mechanical arm,
one end of the third mechanical arm in the length direction is hinged with one end of the second mechanical arm in the length direction, which is far away from the first mechanical arm, a third motor is arranged at the position, which is close to the third mechanical arm, on the second mechanical arm, the output end of the third motor is in transmission connection with the third mechanical arm through a roll shaft so as to control the swinging position of the third mechanical arm relative to the second mechanical arm, a suction nozzle device is arranged at the position, which is far away from the second mechanical arm, on the third mechanical arm,
in the swinging process, the whole first mechanical arm, the whole second mechanical arm and the whole third mechanical arm are always positioned in the same vertical plane,
the two mechanical arm devices are arranged at intervals along the axial direction of the core block column,
the automatic end core block feeding mechanism also comprises a feeding groove matched with the mechanical arm device, a plurality of end core blocks are placed in the feeding groove, after the mechanical arm device sucks the end core blocks in the feeding groove through the suction nozzle device on the mechanical arm device, the end core blocks are transferred to the end part of the core block column on the core block turnover disc to be used as supplement, the end core blocks transferred to the core block turnover disc are coaxially placed with the core block column supplemented by the end core blocks,
preferably, the method comprises the following steps: the end core blocks are divided into a plurality of types according to the length of the axial length, correspondingly, a plurality of feed supplement grooves are also provided, the end core blocks with the same axial length are placed in the same feed supplement groove,
the pellet column length rechecking mechanism is identical to the pellet column length detecting mechanism in design.
Drawings
Fig. 1 is a schematic view (overlooking) of the assembly line station of the nuclear fuel pellet detecting and lengthening device of the invention, the arrow direction in fig. 1 is the conveying direction of the pellet turnover disc on the conveying system,
FIG. 2 is a schematic structural view (front cross-sectional view) of the conveying mechanism for conveying the peripheral table of the pellets to the stations of the pellet column length detecting mechanism,
FIG. 3 is a schematic diagram of the structure of the automatic pellet feeding mechanism of the present invention when the pellet transferring tray is transferred to the station of the pellet end feeding mechanism (the front end of the feeding trough is shown in a form of a section),
wherein, 1-transmission system, 2-core-piece peri-rotating disc, 21-frame, 22-support bar, 23-core-piece column, 231-core piece, 3-core-piece automatic detection mechanism, 4-rail, 5-mounting frame, 51-cylinder, 511-telescopic rod, 6-gauge body, 61-static gauge head, 62-dynamic gauge head, 7-base, 8-rotating disc, 9-suction nozzle device, 10-supplement trough, 101-end core piece, 11-first mechanical arm, 12-second mechanical arm, 13-third mechanical arm, 14-fixing base.
Detailed Description
It should be noted that the words "front", "back", "left" and "right" used in the description of the present invention refer to directions in fig. 2, and "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or component referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in the attached drawings, the nuclear fuel pellet detecting and lengthening device comprises a conveying system 1, a pellet peripheral turntable 2 is detachably installed on the conveying system 1 in a matching way and can be driven by the conveying system 1 to horizontally move and convey on a conveying line of the conveying system 1,
the pellet peripheral rotating disc 2 comprises a rectangular frame 21 which is horizontally arranged, a plurality of support rods 22 which are horizontally arranged in a fixed arrangement at intervals from front to back are arranged on the frame 21, the length direction of each support rod is horizontal from left to right, an arrangement groove is formed between two adjacent support rods 22, both ends of each arrangement groove along the length direction of the arrangement groove are open, each pellet 231 is downwards embedded in the arrangement groove in a matching way and is supported by the front and back support rods 22 forming the arrangement groove, each pellet 231 is of a cylindrical structure which is axially horizontal from left to right, the pellets 231 in the same arrangement groove are sequentially arranged from left to right to form a pellet column 23 (namely, the pellets 231 in the same pellet column 23 are coaxially arranged),
the automatic pellet detecting mechanism 3, the pellet column length detecting mechanism, the automatic pellet end feeding mechanism and the pellet column length rechecking mechanism are sequentially arranged along the conveying route of the conveying system 1, the pellet turnover table 2 is correspondingly stopped after being conveyed to each station, and is conveyed to the next station by the conveying system 1 after the operation of the station is finished,
the automatic core block detection mechanism 3 comprises a visual robot, and the visual robot scans each core block 231 passing from the top to the bottom, so that whether the scanned surface of the core block 231 has defects such as holes, cracks, grinding marks, inclusions and the like or not is known, and the qualification rate of the core blocks 231 is improved or supervised;
the core block column length detection mechanism comprises a rail 4 which stretches over the transmission system 1 and is horizontal in the front-back direction in the length direction, the rail 4 is perpendicular to the transmission direction when the core block peripheral turntable 2 passes below the rail 4 along the length direction of the rail 4 (namely the transmission direction when the core block peripheral turntable 2 passes below the rail is horizontal transmission in the left-right direction and is consistent with the axial direction of the core block column 23), a mounting rack 5 which can slide in the reciprocating direction along the length direction of the rail 4 is arranged on the rail 4 in a matching way, an air cylinder 51 is fixedly arranged on the mounting rack 5, an expansion link 511 extends vertically downwards from the air cylinder 51, a length measuring instrument is arranged at the bottom end of the expansion link 511, the length measuring instrument comprises a measuring instrument main body 6, a static measuring head 61 and a movable side head 62 which extend vertically downwards from the measuring instrument main body 6, the static measuring head 61 and the movable side head 62 are always positioned at the same horizontal height and are oppositely arranged in the left-right direction at intervals (so as to be matched with the axial angle of each core block column 23), the static measuring head 61 is fixed on the measuring instrument main body 6, the movable side head 62 can be matched with the left and right reciprocating horizontal sliding on the measuring instrument main body 6 to be close to or far away from the static measuring head 61 so as to be matched with the static measuring head 61 to realize the clamping (measuring) or releasing of the core block column 23,
the bottom end of the telescopic rod 511 is fixed with the measuring instrument main body 6, and the air cylinder 51 can drive the length measuring instrument to reciprocate up and down along the vertical direction through the telescopic rod 511; the mounting rack 5 is driven by a motor device (not shown in the figure) to be matched with the rail 4 to horizontally slide back and forth in a reciprocating manner, and synchronously moves the pneumatic cylinder 51, the telescopic rod 511 and the length measuring instrument in a sliding manner;
the automatic end core block feeding mechanism comprises a mechanical arm device, the mechanical arm device comprises a base 7 fixedly arranged on the rear side of the transmission system 1 (the transmission direction of the rotary table 2 around the core blocks when the core blocks are transmitted through the stations of the automatic end core block feeding mechanism is horizontal transmission from left to right, and is consistent with the axial direction of the core block columns 23), a rotary table 8 with a horizontal disc surface is axially and rotatably arranged at the top of the base 7, a fixed seat 14 (the fixed seat 14 is a hinged seat) is fixedly arranged on the disc surface of the rotary table 8, the fixed seat 14 is hinged and connected with one end of the first mechanical arm 11 in the length direction, a first motor is further arranged on the fixed seat 14, and the output end of the first motor is in transmission connection with the first mechanical arm 11 through a roll shaft (not shown in the figure) so as to control the swinging position of the first mechanical arm 11 relative to the fixed seat 14; one end of the second mechanical arm 12 in the length direction is hinged to one end of the first mechanical arm 11 in the length direction, which is far away from the fixed seat 14, a second motor is mounted at a position, which is close to the second mechanical arm 12, on the first mechanical arm 11, and the output end of the second motor is in transmission connection with the second mechanical arm 12 through a roller shaft (not shown in the figure) so as to control the swing position of the second mechanical arm 12 relative to the first mechanical arm 11; one end of the third mechanical arm 13 in the length direction is hinged to one end of the second mechanical arm 12 in the length direction, which is far away from the first mechanical arm 11, a third motor is installed at a position, which is close to the third mechanical arm 13, on the second mechanical arm 12, the output end of the third motor is in transmission connection with the third mechanical arm 13 through a roller shaft (not shown in the figure) so as to control the swinging position of the third mechanical arm 13 relative to the second mechanical arm 12, a suction nozzle device 9 is installed at a position, which is far away from the second mechanical arm 12, on the third mechanical arm 13,
in the swinging process, the whole first mechanical arm 11, the whole second mechanical arm 12 and the whole third mechanical arm 13 are always positioned in the same vertical plane,
the automatic end core block feeding mechanism also comprises a feeding groove 10 matched with the mechanical arm device, the feeding groove 10 is arranged at the front side of the transmission system 1, the end core blocks 101 are placed in the feeding groove 10, the end core blocks 101 are divided into a plurality of types according to the length of the axial length, correspondingly, the feeding groove 10 is also provided with a plurality of feeding grooves, the end core blocks 101 with the same axial length are placed in the same feeding groove 10, after the mechanical arm device sucks the end core blocks 101 in the feeding groove 10 through the suction nozzle device 9 on the mechanical arm device, the end core blocks 101 are transferred to the core block peripheral rotary disc 2 to be used as length supplement of the core block column 23 through deflection of the first mechanical arm 11, the second mechanical arm 12 and the third mechanical arm 13 and axial deflection of the rotary disc 8,
the CANDU-6 nuclear fuel bundle comprises 37 subassemblies, each subassembly is internally provided with 30 sections of pellets, and the method specifically comprises the following steps: 28 sections of standard core blocks (namely, the core blocks 231 in the present application) and 2 sections of end core blocks 101 (namely, 1 section of end core block 101 is respectively placed at two ends of the 28 sections of standard core blocks (the core blocks 231)), in order to ensure the weight of the core blocks in the subassembly and the subsequent end plug welding process, the axial total length of 30 sections of core blocks loaded in each subassembly needs to be in the range of about 479.5-482.5 mm, but because the actual axial length of each core block 231 is not identical and has an error, before the core blocks are loaded in each subassembly (namely, before the core blocks are loaded), the 28 sections of standard core blocks (the core blocks 231) need to be arranged and measured in length, according to the measured length, the end core blocks 101 with proper axial length are selected to be supplemented (so as to ensure that the axial total length of the 30 sections of core blocks is in a specified range), so that several end core blocks 101 (generally three specifications) with different axial lengths are needed to be selected for the mechanical arm device,
the two mechanical arm devices are arranged on the rear side of the transmission system 1 in a right-left direction opposite to each other, and can respectively supplement the end core blocks 101 to the two axial ends of the core block row 23 as required; correspondingly, two material supplementing grooves 10 are arranged and are in one-to-one correspondence with the mechanical arm devices, so that the mechanical arm devices are more convenient to be not interfered with each other when absorbing the core block 101 at the required end,
the core block column length rechecking mechanism is the same as the core block column length detecting mechanism in design: the device comprises a second rail which stretches across the upper part of a transmission system 1 and is horizontal in the front-back direction, the second rail is perpendicular to the transmission direction of the pellet circumferential turntable 2 passing below the second rail along the length direction of the second rail (namely the transmission direction of the pellet circumferential turntable 2 passing below the pellet circumferential turntable is horizontal transmission in the left-right direction and is consistent with the axial direction of pellet columns 23), a second mounting frame which can slide in the reciprocating manner along the length direction of the second rail is arranged on the second rail in a matching manner, a second air cylinder is fixedly mounted on the second mounting frame, a second telescopic rod vertically extends downwards from the second air cylinder, the bottom end of the second telescopic rod is fixed with a second measuring instrument main body, a second static measuring head and a second movable side head vertically extend downwards from the second measuring instrument main body, the second static measuring head and the second movable side head are always positioned at the same horizontal height and are oppositely arranged in the left-right direction at intervals (so as to be matched with the axial angle of each pellet column 23), the second static measuring head is fixed on the second measuring instrument main body, the second movable side head can be matched with the second measuring instrument main body to horizontally slide in a left-right reciprocating mode so as to be close to or far away from the second static measuring head, and the second static measuring head is matched to clamp (measure) or release the core block column 23,
the second cylinder can drive the second length measuring instrument to reciprocate up and down along the vertical direction through a second telescopic rod; the second mounting rack is driven by a motor device (not shown in the figure) to be matched with the second rail to horizontally slide back and forth in a reciprocating manner, and synchronously drives the second cylinder, the second telescopic rod and the second length measuring instrument to slide.
In the scheme (the core block column length detection mechanism and the core block column length reinspection mechanism), the length of the core block column 23 is measured by using a contact type measuring instrument, as shown in figure 2, before data is measured, the contact type measuring instrument can firstly match a static measuring head 61 with a movable side head 62 to push each core block 231 in the core block column 23 to be measured together and then obtain length data, so that a gap is prevented from being left between each core block 231 and each core block 231, the accuracy of the sectional type structure during measurement can be ensured,
the core block column length detection mechanism is connected with the end core block automatic feeding mechanism through PLC signal control, the end core block automatic feeding mechanism correspondingly selects the end core blocks 101 with proper size in turn for feeding according to the measured length of each core block column 23,
and after the end core block 101 is supplemented, the core block column length rechecking mechanism rechecks, when the core block column 23 with unqualified length is found during rechecking, the PLC gives an alarm, and at the moment, an operator performs manual intervention adjustment or integrally takes down the core block peripheral turntable 2 from the transmission line to ensure that the core block column 23 entering the next procedure is qualified in length.
The core block column length detection mechanism and the core block column length rechecking mechanism are respectively provided with a track 4 (a second track), and a length measuring instrument (a second measuring instrument) can horizontally slide back and forth along the track, so that the lengths of the core block columns 23 in the core block peripheral turntable 2 reaching the station can be sequentially detected; and all are provided with lifting mechanisms, after the length measurement is finished, the length measuring instrument (a second measuring instrument) can be lifted upwards, so that the movement of the pellet turnover table 2 and the pellet column 23 on the pellet turnover table to the next station is not influenced.
Claims (7)
1. A nuclear fuel pellet detection lengthening device is characterized in that: the device comprises a conveying system (1), a pellet peripheral turntable (2) is arranged on the conveying system (1) in a matching way and can move and convey according to a conveying route of the conveying system (1), a plurality of rows of pellet columns (23) are arranged in the pellet peripheral turntable (2),
an automatic pellet block detection mechanism (3), a pellet block row length detection mechanism, an automatic pellet block end feeding mechanism and a pellet block row length rechecking mechanism are sequentially arranged along the transmission route of the transmission system (1),
the automatic core block detection mechanism (3) comprises a visual robot;
the pellet column length detection mechanism comprises a rail (4) stretching over the transmission system (1), the rail (4) is perpendicular to the transmission direction of the pellet turnover table (2) passing below the rail in the length direction, an installation frame (5) capable of sliding in a reciprocating mode in the length direction of the rail (4) is installed on the rail (4) in a matched mode, a length measuring instrument is installed on the installation frame (5) and comprises a measuring instrument main body (6) and a static measuring head (61) and a movable side head (62) which vertically extend downwards from the measuring instrument main body (6), the static measuring head (61) and the movable side head (62) are arranged right opposite to each other all the time at intervals, the static measuring head (61) is fixed on the measuring instrument main body (6), and the movable side head (62) can slide in a reciprocating mode in the measuring instrument main body (6) in a matched mode in a linear direction parallel to the length direction of the pellet column (23) so as to be close to or far away from each other The static measuring head (61) is separated, so that the clamping or releasing of the pellet column (23) is realized by matching with the static measuring head (61);
the automatic feed mechanism for the end core block comprises a mechanical arm device which is arranged at one side of the transmission system (1) and can deflect in a horizontal plane, a suction nozzle device (9) is arranged at the output end of the mechanical arm device,
the automatic end core block feeding mechanism further comprises a feeding groove (10) matched with the mechanical arm device, a plurality of end core blocks (101) are placed in the feeding groove (10), and after the mechanical arm device sucks the end core blocks (101) in the feeding groove (10) through the suction nozzle device (9) on the mechanical arm device, the end core blocks (101) are transferred to the core block peripheral turntable (2) to be used as length supplement of the core block column (23);
the pellet column length rechecking mechanism is the same as the pellet column length detecting mechanism in design.
2. An inspection and elongation device for nuclear fuel pellets according to claim 1, characterized in that: the pellet turnover disc (2) comprises a rectangular frame (21) which is horizontally arranged, a plurality of support rods (22) which are horizontally and fixedly arranged at intervals from front to back are arranged on the frame (21) horizontally, the length directions of the support rods are horizontal, an arrangement groove is formed between every two adjacent support rods (22), both ends of the arrangement groove along the length direction of the arrangement groove are provided with openings, pellets (231) are downwards embedded in the arrangement groove in a matched manner, and the pellets (231) which are embedded in the arrangement groove in a matched manner are sequentially arranged from left to right to form a pellet column (23),
when the core blocks (231) are downwards embedded in the arrangement grooves in a matched mode, the core blocks (231) are supported by the front and rear support rods (22) which form the arrangement grooves, the core blocks (231) are of cylindrical structures, and the core blocks (231) in the same core block row (23) are coaxially arranged.
3. An inspection and elongation device for nuclear fuel pellets according to claim 1, characterized in that: fixed mounting has cylinder (51) on mounting bracket (5), cylinder (51) are vertical stretches out downwards telescopic link (511), the bottom of telescopic link (511) with measuring apparatu main part (6) fixed mutually, cylinder (51) pass through telescopic link (511) can drive length measuring apparatu is along vertical direction reciprocating motion from top to bottom.
4. An inspection and elongation device for nuclear fuel pellets according to claim 1, characterized in that: the mechanical arm device comprises a base (7) fixedly arranged on one side of the transmission system (1), a turntable (8) which is arranged on the top of the base (7) in an axial rotation manner and is provided with a horizontal disc surface, and a fixed seat (14) fixedly arranged on the disc surface of the turntable (8), wherein the fixed seat (14) is hinged with one end of a first mechanical arm (11) in the length direction, a first motor is further arranged on the fixed seat (14), the output end of the first motor is in transmission connection with the first mechanical arm (11) through a roll shaft so as to control the swinging position of the first mechanical arm (11) relative to the fixed seat (14),
one end of the second mechanical arm (12) in the length direction is hinged to one end, far away from the fixed seat (14), of the first mechanical arm (11) in the length direction, a second motor is mounted at a position, close to the second mechanical arm (12), on the first mechanical arm (11), the output end of the second motor is in transmission connection with the second mechanical arm (12) through a roll shaft so as to control the swing position of the second mechanical arm (12) relative to the first mechanical arm (11),
one end of a third mechanical arm (13) in the length direction is hinged to one end, far away from the first mechanical arm (11), of the second mechanical arm (12) in the length direction, a third motor is installed at a position, close to the third mechanical arm (13), on the second mechanical arm (12), the output end of the third motor is in transmission connection with the third mechanical arm (13) through a roll shaft so as to control the swinging position of the third mechanical arm (13) relative to the second mechanical arm (12), and the suction nozzle device (9) is installed at a position, far away from the second mechanical arm (12), on the third mechanical arm (13),
in the swinging process, the whole first mechanical arm (11), the whole second mechanical arm (12) and the whole third mechanical arm (13) are always positioned in the same vertical plane.
5. An inspection and elongation device for nuclear fuel pellets according to claim 1, characterized in that: the end core blocks (101) are divided into a plurality of types according to the length of the axial length, correspondingly, a plurality of material supplementing grooves (10) are also arranged, and the end core blocks (101) with the same axial length are placed in the same material supplementing groove (10).
6. An inspection and elongation device for nuclear fuel pellets according to claim 1, characterized in that: the two mechanical arm devices are arranged at intervals along the axial direction of the pellet column (23).
7. An inspection and elongation device for nuclear fuel pellets according to claim 6, characterized in that: the number of the material supplementing grooves (10) is two, and the material supplementing grooves are arranged in one-to-one correspondence with the mechanical arm devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120401920.XU CN214336341U (en) | 2021-02-24 | 2021-02-24 | Nuclear fuel pellet detecting and lengthening device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120401920.XU CN214336341U (en) | 2021-02-24 | 2021-02-24 | Nuclear fuel pellet detecting and lengthening device |
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| CN214336341U true CN214336341U (en) | 2021-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380033A (en) * | 2021-12-13 | 2022-04-22 | 中国核电工程有限公司 | Automatic core block length arranging device and fuel rod production system |
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- 2021-02-24 CN CN202120401920.XU patent/CN214336341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380033A (en) * | 2021-12-13 | 2022-04-22 | 中国核电工程有限公司 | Automatic core block length arranging device and fuel rod production system |
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