CN213265426U - Special intelligent crane for MOX fuel manufacturing - Google Patents
Special intelligent crane for MOX fuel manufacturing Download PDFInfo
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- CN213265426U CN213265426U CN202120883186.5U CN202120883186U CN213265426U CN 213265426 U CN213265426 U CN 213265426U CN 202120883186 U CN202120883186 U CN 202120883186U CN 213265426 U CN213265426 U CN 213265426U
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Abstract
The utility model discloses a MOX fuel makes dedicated intelligent hoist relates to MOX fuel and makes technical field. This dedicated intelligent hoist is made to MOX fuel, including bottom plate, dolly chassis, lifing arm, hoisting mechanism, dolly sideslip mechanism, indulge and move mechanism, electrical control system all install the top at the bottom plate, the lifing arm is located the below of bottom plate, be provided with the used linear rail base in mechanism's base and dolly chassis on the bottom plate, seted up a plurality of longitudinal movement mechanism mounting holes on the bottom plate. The utility model discloses a PLC can accomplish its self control function, protect function, fault signal send function to carry out the communication to the industrial computer in workshop, accomplish the conveying and the acceptance of data and instruction. The automatic control device can realize two modes of automatic control and manual control, and a switching button is arranged between the manual control and the automatic control.
Description
Technical Field
The utility model relates to a MOX fuel makes technical field, specifically is a MOX fuel makes dedicated intelligent hoist.
Background
MOX fuel manufacturing is an important link of the "closed cycle of nuclear fuel", and in the MOX fuel manufacturing process, pellet sintering and pellet pressing are the most central processes. Since the sintering process is radioactive in the raw materials and equipment, the process needs to be performed in a completely closed and unmanned environment. For MOX fuels, sintering is currently carried out in an apparatus known as a "glove box" or "hot chamber". A "glove box" or "hot box" is a complex apparatus that is completely enclosed, confined in space, and has internal dimensions of about: the width is about 1.9m, the height is about 2 m, and the length is from 7 m to 17 m, so that the handling of the sintered pellets and the discharging of the finished pellets are difficult to realize.
According to the conventional MOX fuel project, when pellets are sintered, the pellets are placed in a device called a molybdenum boat to be lifted, the process flow for lifting the molybdenum boat is realized by adopting a general bridge crane at present, and because an operator cannot enter a glove box and cannot directly see the conditions inside the glove box, the mode of a camera and the general bridge crane is adopted at present, and remote control operation is carried out manually so as to realize lifting work of the molybdenum boat. However, the conventional hoisting mode has low efficiency, requires 24 hours of operation personnel to watch, and cannot ensure safety. Meanwhile, due to the particularity of the industry, the maintenance and repair needs to be carried out quickly, so how to realize the quick assembly and disassembly of each mechanism also becomes an important problem to be considered.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a MOX fuel makes dedicated intelligent hoist has solved the problem of proposing in the above-mentioned background art. In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a special intelligent crane for manufacturing MOX fuel comprises a bottom plate, a trolley chassis, a lifting arm, a lifting mechanism, a trolley traversing mechanism, a longitudinally moving mechanism and an electric control system, wherein the lifting mechanism, the trolley traversing mechanism, the longitudinally moving mechanism and the electric control system are all installed above the bottom plate, the lifting arm is positioned below the bottom plate and consists of an arc bevel gear, a first bearing seat, a pressure sensor, a lead screw nut installation seat, a first ball screw, a gravity fixture, a fixed arm and a movable arm, the upper part of the movable arm is connected with the lead screw nut installation seat, the lower part of the fixed arm is connected with the movable arm, the gravity fixture is arranged below the movable arm, the first ball screw is arranged inside the fixed arm, the bottom of the first bearing seat is movably connected with the first ball screw, the upper part of the first bearing seat is rotatably connected with the arc bevel gear, the screw nut mounting seat is connected inside the fixed arm in a sliding manner, the lifting mechanism comprises a first servo speed reducing motor, a second bearing seat, a spline shaft, a first manual mechanism, a first quick-release base, a transverse moving bearing seat and a first clutch coupling, the first servo reducing motor is connected above the bottom plate through a first quick-release base, the trolley transverse moving mechanism consists of a second servo reducing motor, a third bearing seat, a second ball screw, a screw nut, a second manual mechanism and a second clutch coupling, the second servo speed reducing motor is connected above the bottom plate through a second quick-release base, the longitudinal moving mechanism comprises a third servo speed reducing motor, a transmission gear, a supporting device, a transmission gear, a rack and a third quick-release base, and the lower part of the third servo speed reduction motor is sequentially connected with the transmission gear, the transmission gear and the rack.
Preferably, the trolley chassis and the lifting arm are made of 304, 316 or 316L stainless steel, all surfaces of the trolley chassis and the lifting arm are machined completely, and the roughness of Ra3.2 or higher is achieved.
Preferably, the bottom plate is provided with a mechanism base and a linear rail base for a chassis of the trolley.
Preferably, the threads on the bottom plate are self-locking threads, and a plurality of longitudinal moving mechanism mounting holes are formed in the bottom plate.
Preferably, the pressure sensor is installed below the bearing seat I.
Preferably, the lower part of the third servo speed reduction motor is connected to the upper part of the bottom plate through a third quick-release base, and the supporting device is connected to the lower part of the bottom plate through a linear rail and a sliding block.
Preferably, the electrical control system comprises an upper computer, a servo system, a safety protection device, a PLC and a position measurement device, and the PLC is respectively connected with the upper computer, the servo system, the safety protection device and the position measurement device.
Preferably, the first quick-release base is composed of a base with a sliding groove, a servo motor mounting seat and a positioning plunger, and the base with the sliding groove is of a multi-section sliding groove structure.
Preferably, the outer edge of the bottom plate is provided with an oil leakage prevention boss higher than the mounting surface of the bottom plate.
The utility model provides a dedicated intelligent hoist is made to MOX fuel. The method has the following beneficial effects:
(1) the utility model discloses a PLC can accomplish its self control function, protect function, fault signal and send the function to the industrial computer in workshop carries out the communication, accomplishes the conveying and accepting of data and instruction. The automatic control device can realize two modes of automatic control and manual control, and a switching button is arranged between the manual control and the automatic control.
(2) The utility model discloses a prevent that lubricating oil or other pollutants on the hoist from dropping to the pellet on, the outward flange of bottom plate has set up the leak protection oil boss that exceeds bottom plate installation face.
(3) The utility model discloses a guarantee the preparation precision, all structures on dolly chassis adopt whole casting or bolt dowel concatenation to form.
(4) The utility model discloses there is the mounting hole or the installation screw thread of hoisting mechanism, dolly sideslip mechanism and lifing arm on the bottom plate. All the mounting threads are self-locking threads. During installation, bearing seats on the hoisting mechanism or the trolley transverse moving mechanism are directly matched with corresponding semicircular holes so as to ensure the installation precision and facilitate disassembly and assembly.
(5) The lifting mechanism drives a spline shaft of the lifting mechanism to rotate, a pair of meshed arc bevel gears is arranged on the upper portion of the lifting arm, one gear inner hole is a spline and is installed on the spline shaft of the lifting mechanism, and the lifting mechanism is driven by the chassis of the trolley to move transversely along the spline shaft. The other transmission gear is arranged on a first ball screw of the lifting arm, when a spline shaft of the lifting mechanism rotates, the pair of meshed gears transmit the rotary motion to the ball screw, and the first ball screw converts the rotary motion into the lifting motion of a screw nut. The screw nut is arranged on the mounting seat on the movable arm, so that when the screw nut is lifted, the movable arm is lifted along with the screw nut. When the movable arm is lifted to the proper position, the molybdenum boat is clamped by a gravity clamp or other clamps and is opened after being conveyed to the designated position.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the base of the present invention;
FIG. 3 is a schematic view of the structure of the chassis of the trolley of the present invention;
FIG. 4 is a schematic view of the three-dimensional structure of the lift arm of the present invention;
fig. 5 is a schematic diagram of the front structure of the hoisting mechanism of the present invention;
fig. 6 is a schematic view of a hoisting mechanism of the present invention;
FIG. 7 is a schematic view of the overall structure of the quick release base of the present invention;
FIG. 8 is a schematic view of the quick release base of the present invention;
FIG. 9 is a schematic structural view of the traverse mechanism of the trolley of the present invention;
FIG. 10 is a schematic view of the longitudinal moving mechanism of the present invention;
fig. 11 is an axial view structural schematic diagram of the longitudinal moving mechanism of the present invention.
In the figure: 1 bottom plate, 2 trolley chassis, 3 lifting arm, 31 circular arc bevel gear, 32 bearing seat, 33 pressure sensor, 34 lead screw nut mounting seat, 35 ball screw, 36 gravity clamp, 38 fixed arm, 39 movable arm, 4 hoisting mechanism, 41 quick-release base, 411 base with sliding groove, 412 positioning plug iron, 413 servo motor mounting seat, 414 positioning bolt, 42 first servo reducing motor, 43 second bearing seat, 44 spline shaft, 45 first manual mechanism, 46 first clutch coupling, 47 transverse moving bearing seat, 5 trolley transverse moving mechanism, 51 second servo reducing motor, 52 second clutch coupling, 53 lead screw nut, 54 second ball screw, 55 third bearing seat, 56 second manual mechanism, 57 second quick-release base, 6 longitudinal moving mechanism, 61 third servo reducing motor, 62 transmission gear, 63 straight line rail and slide block, 64 transmission gear and rack gear, 65 strutting arrangement, No. 66 third quick detach base, 7 electrical control system, 8 linear rail bases, 9 vertical movement mechanism mounting holes, 10 leak protection oil boss.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-11, the present invention provides a technical solution: the utility model provides a special intelligent hoist of MOX fuel manufacturing, by bottom plate 1, dolly chassis 2, lifing arm 3, hoisting mechanism 4, dolly sideslip mechanism 5, indulge and move mechanism 6, electrical control system 7 constitutes, wherein hoisting mechanism 4, dolly sideslip mechanism 5, indulge and move mechanism 6, electrical control system 7 all installs the top at bottom plate 1, lifing arm 3 is located the below of bottom plate 1 simultaneously, this bottom plate 1 adopts 304, 316 or 316L stainless steel preparation, and bottom plate 1 reaches the roughness of Ra3.2 or higher, wherein be provided with the mechanism base on the bottom plate 1 and the used straight line rail base 8 of dolly chassis 2. In order to conveniently detach and reliably prevent the mounting threads of each mechanism from loosening, the threads on the bottom plate 1 are self-locking threads, and meanwhile, a plurality of longitudinal moving mechanism mounting holes 9 are formed in the bottom plate 1. In order to prevent the lubricating oil or other contaminants on the crane from falling onto the core blocks, the outer edge of the bottom plate 1 is provided with an oil leakage prevention boss 10 which is higher than the mounting surface of the bottom plate.
The trolley chassis 2 is responsible for fixing the lifting arm 3, the transverse bearing seat 47 on the lifting mechanism 4 and the screw nut 53 on the trolley transverse mechanism 5. All surfaces were machined as with the base plate 1 using 304, 316 or 316L stainless steel, and achieved a roughness of ra3.2 or greater. In order to ensure the manufacturing precision, all the structures of the trolley chassis 2 are formed by integral casting or bolt and pin splicing. The trolley chassis 2 is provided with a linear rail sliding block or a trolley wheel group. Meanwhile, the bottom plate 1 is provided with a lifting mechanism 4, a trolley transverse moving mechanism 5 and a mounting hole or a mounting thread of the lifting arm 3. All the mounting threads are self-locking threads. During installation, bearing seats on the hoisting mechanism 4 or the trolley traversing mechanism 5 are directly matched with corresponding semicircular holes so as to ensure the installation precision and facilitate disassembly and assembly.
The lifting arm 3 consists of an arc bevel gear 31, a first bearing seat 32, a pressure sensor 33, a screw nut mounting seat 34, a first ball screw 35, a gravity clamp 36, a fixed arm 38 and a movable arm 39, wherein the first bearing seat 32 is mounted on the fixed arm 38, the pressure sensor 33 is fixed below the first bearing seat 32, the inside of the first bearing seat 32 is movably connected with a first ball screw 35, the top end of the first ball screw 35 is connected with an arc bevel gear 31, the lead screw nut mount 34 is mounted inside the stationary arm 38, the moveable arm 39 is connected to the stationary arm 38, and the bottom of the movable arm 39 is fixedly connected with the gravity clamp 36, and is responsible for converting the rotary motion of the hoisting mechanism 4 into lifting motion, and clamping or dropping the molybdenum boat, wherein all parts are made of stainless steel such as 304, 316 or 316L, and all surfaces are completely processed to reach the roughness of Ra3.2 or higher. The fixed arm 38 of the lifting arm 3 is mounted on a mounting seat at the bottom of the trolley chassis 2. During operation, the hoisting mechanism 4 drives the spline shaft 44 to rotate, the upper part of the lifting arm 3 is provided with a pair of meshed arc bevel gears 31, one gear inner hole is a spline, the spline shaft 44 is arranged on the hoisting mechanism 4, and the spline shaft 44 is driven by the trolley chassis 2 to transversely move. The other transmission gear is mounted on the first ball screw 35 of the lifting arm 3, and when the spline shaft 44 of the lifting mechanism 4 rotates, the pair of meshed gears transmits the rotational motion to the first ball screw 35, and the first ball screw 35 converts the rotational motion into the lifting motion of the screw nut 53. The lead screw nut 53 is mounted on the lead screw nut mounting seat 34 on the movable arm 39, so that when the lead screw nut 53 is lifted, the movable arm 39 is lifted together. When the movable arm 39 is raised and lowered into position, the molybdenum boat is gripped by a gravity clamp 36 or other type of clamp and transported to the designated location, and the clamp is opened.
The hoisting mechanism 4 is responsible for the hoisting and descending of the lifting arm 3 and the molybdenum boat, and comprises a servo speed-reducing motor 42, a second bearing seat 43, a spline shaft 44, a manual mechanism 45, a quick-release base 41, a transverse-moving bearing seat 47 and a clutch coupling 46, wherein the servo speed-reducing motor 42 is installed on the bottom plate 1 through the quick-release base 41, a transmission shaft of the servo speed-reducing motor 42 is fixedly connected with the spline shaft 44, the spline shaft 44 is provided with the second bearing seat 43, and the right side of the spline shaft 44 is sequentially connected with the manual mechanism 45 and the clutch coupling 46. The hoisting mechanism 4 is provided with two sets of first servo speed reducing motors 42 and accessory parts. One set is used for normal work, the other set is standby, and the standby first servo speed reducing motor 42 is separated from the spline shaft 44 through the first quick-release base 41 and the first clutch coupling 46. The rotation of the first servo speed reducing motor 42 can drive the spline shaft 44 to rotate, so as to drive the gear on the lifting arm 3 to rotate, and the gear can also slide on the spline shaft 44 under the drive of the trolley chassis 2. The first manual mechanism 45 can realize that the molybdenum boat falls down by means of rotation of the hand wheel when both the two sets of servo driving systems have faults or other faults.
The first quick-release base 41 is composed of a base 411 with a sliding groove, a servo motor mounting seat 413 and a positioning iron plug 412, the base 411 with the sliding groove is of a multi-section sliding groove structure, the servo motor mounting seat 413 can move in the sliding groove, and after the servo motor mounting seat 413 is in place, the positioning iron plug 412 is clamped at the schematic position in fig. 7, and a positioning bolt 414 is screwed down. When the mechanism needs to be disengaged, the positioning bolt 414 is loosened, the positioning plunger 412 is taken down, the servo motor mounting seat 413 is pulled in the opposite direction to the opposite direction limit position, and after the positioning plunger 412 is in place, the positioning plunger 412 is placed in the clamping groove at the front end. When the first servo reduction motor 42 needs to be detached, the first servo reduction motor 42 can be detached together with the base by moving the servo motor mounting seat 413 to the chute notch on the chute-equipped base 411.
The trolley transverse moving mechanism 5 is used for moving the trolley chassis 2 and the lifting arm 3 along the transverse direction and comprises a second servo speed reducing motor 51, a third bearing seat 55, a second ball screw 54, a second manual mechanism 56, a second quick-release base 57 and a second clutch coupling 52, wherein the second servo speed reducing motor 51 is installed on the bottom plate 1 through the second quick-release base 57. The trolley transverse moving mechanism 5 is provided with two sets of second servo speed reducing motors 51 and accessory parts. One set is used for normal work, the other set is standby, and a second clutch coupling 52, a screw nut 53, a second ball screw 54, a third bearing seat 55 and a second manual mechanism 56 are sequentially arranged between the two sets of second servo reducing motors 51. The spare second servo speed reduction motor 51 is disconnected with the second ball screw 54 through a second quick release base 57 and a second clutch coupling 52. The second ball screw 54 can be driven to rotate through the rotation of the second servo speed reducing motor 51, so that the screw nut 53 is driven to move transversely, the screw nut 53 is installed on the trolley chassis 2, and when the screw nut 53 moves transversely, the trolley chassis 2 and the lifting arm 3 can move along with the transverse movement. The second manual mechanism 56 can realize that the molybdenum boat can be dropped by the rotation of the hand wheel when both sets of servo driving systems are in failure or other failures. The structure and function of the second quick release base 57 are the same as those of the first quick release base 41.
The longitudinal moving mechanism 6 is responsible for moving the whole crane along the longitudinal direction of the glove box, each crane has two sets of mechanisms shown in fig. 10 and consists of a third servo speed reduction motor 61, a transmission gear 62, a supporting device 65, a transmission gear, a rack 64 and a third quick-release base 66, and the supporting device 65 is connected below the bottom plate 1 through a linear rail and a sliding block 63. When the longitudinal moving mechanism 6 works, the third servo reducing motor 61 drives the driving gear at the shaft end of the reducing gear, and transmits the rotary motion to the transmission gear 62 and further to the transmission gear and the rack 64 at the lower part, and at the moment, the rotary motion is converted into linear motion. The supporting device 65 of the longitudinal moving mechanism 6 can be a linear rail and a sliding block, and can also be a steel rail and a wheel set. The function and the using method of the third quick-release base 66 are the same as those of the first quick-release base 41 of the hoisting mechanism 4.
The electric control system 7 is composed of an upper computer, a servo system, a safety protection device, a PLC, a position measuring device and the like. The PLC can complete the control function, the protection function and the fault signal sending function of the PLC, and an industrial personal computer in a workshop communicates to complete the transmission and the receiving of data and instructions. The automatic control device can realize two modes of automatic control and manual control, and a switching button is arranged between the manual control and the automatic control. The automatic operation is completely free from manual intervention, and single-step actions can be independently completed in manual control. The upper computer is arranged in the workshop control room and displays and stores the molybdenum boat code, the molybdenum boat weight, molybdenum boat inventory information, real-time picture monitoring, fault information, operator information, shift and other related production process information.
When in use:
step 1: and sending an instruction to an electrical control system 7 of the crane through a configuration system or a central control system, determining the position of the molybdenum boat to be lifted, and sending an action instruction to a servo controller of each mechanism through a PLC in the electrical control system 7.
Step 2: after receiving the signals, the lifting mechanism 4, the trolley transverse moving mechanism 5 and the longitudinal moving mechanism 6 make corresponding actions to move to the position of the molybdenum boat to be lifted. Wherein the lifting mechanism 4 is responsible for driving the lifting arm to lift in the vertical direction, the trolley transverse moving mechanism 5 drives the trolley chassis 2 to realize transverse horizontal movement, and the longitudinal moving mechanism 6 drives the whole machine to move along the longitudinal direction of the glove box. When each mechanism acts, the position measuring device (a positioning device such as a coding ruler, an encoder or a gray bus) of the corresponding mechanism monitors the position of each mechanism in real time, and feeds the information of the existing position back to the electric control system 7, so that the closed-loop control of the mechanism action is realized.
And step 3: after all the mechanisms are in place, the lifting mechanism 4 drives the lifting arm 3 to descend to the corresponding position, the whole lifting arm 3 ascends to the corresponding position after the molybdenum boat is clamped by the clamp on the lifting arm 3, the trolley transverse moving mechanism 5 and the longitudinal moving mechanism 6 start to act, and the molybdenum boat is conveyed to a sintering furnace or a discharging area, so that a working cycle is completed.
And 4, step 4: after the last work cycle is completed, the electric control system 7 sends out a corresponding instruction according to the setting of the control program, and the crane automatically starts the next work cycle.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a dedicated intelligent hoist is made to MOX fuel, includes bottom plate (1), dolly chassis (2), lifing arm (3), hoisting mechanism (4), dolly sideslip mechanism (5), indulges and moves mechanism (6), electric control system (7), its characterized in that: the lifting mechanism (4), the trolley transverse moving mechanism (5), the longitudinal moving mechanism (6) and the electric control system (7) are all installed above the base plate (1), the lifting arm (3) is located below the base plate (1), the lifting arm (3) consists of an arc bevel gear (31), a first bearing seat (32), a pressure sensor (33), a lead screw nut mounting seat (34), a first ball screw (35), a gravity clamp (36), a fixing arm (38) and a movable arm (39), the upper portion of the movable arm (39) is connected with the lead screw nut mounting seat (34), the lower portion of the fixing arm (38) is connected with the movable arm (39), the gravity clamp (36) is arranged below the movable arm (39), the first ball screw (35) is arranged inside the fixing arm (38), the bottom of the first bearing seat (32) is movably connected with the first ball screw (35), the upper portion of the first bearing seat (32) is rotatably connected with the arc bevel gear (31), the lead screw nut mounting seat (34) is slidably connected inside the fixing arm (38), the hoisting mechanism (4) comprises a first servo speed reducing motor (42), a second bearing seat (43), a spline shaft (44), a first manual mechanism (45), a first quick-release base (41), a transverse moving bearing seat (47) and a first clutch coupling (46), the first servo speed reducing motor (42) is connected above the bottom plate (1) through the first quick-release base (41), the trolley transverse moving mechanism (5) comprises a second servo speed reducing motor (51), a third bearing seat (55), a second ball screw (54), a lead screw nut (53), a second manual mechanism (56) and a second clutch coupling (52), the second servo speed reducing motor (51) is connected above the bottom plate (1) through a second quick-release base (57), the longitudinal moving mechanism (6) comprises a third servo speed reducing motor (61), a transmission gear (62), a supporting device (65), a transmission gear and a rack (64) and a third quick-release base (66), wherein the lower part of the third servo speed reducing motor (61) is sequentially connected with the transmission gear (62), the transmission gear and the rack (64).
2. The intelligent crane special for MOX fuel manufacturing according to claim 1, wherein: the trolley chassis (2) and the lifting arm (3) are made of 304, 316 or 316L stainless steel, all surfaces are completely machined, and the roughness of Ra3.2 or higher is achieved.
3. The intelligent crane special for MOX fuel manufacturing according to claim 1, wherein: the base plate (1) is provided with a mechanism base and a linear rail base (8) used by the trolley chassis (2).
4. The intelligent crane special for MOX fuel manufacturing according to claim 1, wherein: the thread on the bottom plate (1) adopts self-locking threads, and a plurality of longitudinal movement mechanism mounting holes (9) are formed in the bottom plate (1).
5. The intelligent crane special for MOX fuel manufacturing according to claim 1, wherein: the pressure sensor (33) is arranged below the first bearing seat (32).
6. The intelligent crane special for MOX fuel manufacturing according to claim 1, wherein: the lower part of the third servo speed reducing motor (61) is connected to the upper part of the bottom plate (1) through a third quick-release base (66), and the supporting device (65) is connected to the lower part of the bottom plate (1) through a linear rail and a sliding block (63).
7. The intelligent crane special for MOX fuel manufacturing according to claim 1, wherein: the electrical control system (7) is composed of an upper computer, a servo system, a safety protection device, a PLC and a position measuring device, wherein the PLC is respectively connected with the upper computer, the servo system, the safety protection device and the position measuring device.
8. The intelligent crane special for MOX fuel manufacturing according to claim 1, wherein: a quick detach base (41) comprises area spout base (411), servo motor mount pad (413), location drift (412), take spout base (411) to be multistage spout structure.
9. The intelligent crane special for MOX fuel manufacturing according to claim 1, wherein: the outer edge of the bottom plate (1) is provided with an oil leakage prevention boss (10) higher than the mounting surface of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883186.5U CN213265426U (en) | 2021-04-27 | 2021-04-27 | Special intelligent crane for MOX fuel manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120883186.5U CN213265426U (en) | 2021-04-27 | 2021-04-27 | Special intelligent crane for MOX fuel manufacturing |
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| CN213265426U true CN213265426U (en) | 2021-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352762A (en) * | 2022-08-26 | 2022-11-18 | 中国核电工程有限公司 | Molybdenum boat temporary storage device |
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2021
- 2021-04-27 CN CN202120883186.5U patent/CN213265426U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352762A (en) * | 2022-08-26 | 2022-11-18 | 中国核电工程有限公司 | Molybdenum boat temporary storage device |
| CN115352762B (en) * | 2022-08-26 | 2024-03-08 | 中国核电工程有限公司 | Molybdenum boat temporary storage device |
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