CN112786222A - Nuclear power plant fuel handling tool and handling process - Google Patents
Nuclear power plant fuel handling tool and handling process Download PDFInfo
- Publication number
- CN112786222A CN112786222A CN202011623945.0A CN202011623945A CN112786222A CN 112786222 A CN112786222 A CN 112786222A CN 202011623945 A CN202011623945 A CN 202011623945A CN 112786222 A CN112786222 A CN 112786222A
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- power plant
- nuclear power
- groove
- workbench
- rotating
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/10—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements
-
- 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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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of fuel loading and unloading tools, in particular to a fuel loading and unloading tool and a loading and unloading process for a nuclear power plant, which comprises a driving mechanism and a push rod mechanism detachably connected to the driving mechanism, wherein a workbench is arranged below the driving mechanism and the push rod mechanism, the top of the workbench is rotatably connected with a rotating disc, and the top of the workbench is provided with a rotating groove. The labor intensity of workers is reduced, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of fuel loading and unloading tools, and particularly relates to a fuel loading and unloading tool and a loading and unloading process for a nuclear power plant.
Background
The nuclear power plant fuel is nuclear fuel, which refers to a material capable of generating practical nuclear energy through nuclear fission or nuclear fusion in a nuclear reactor, and in the working process of the nuclear power plant, the fuel loading and unloading work needs to be continuously carried out, at present, a heavy water reactor loading and unloading machine is generally adopted to carry out the fuel loading and unloading work, and when the reactor runs, two heavy water reactor loading and unloading machines are simultaneously connected with two ends of a fuel channel to mutually cooperate and complete the non-stop refueling.
In the existing heavy water piling and unloading machine, a tape drive mechanism and a push rod assembly are combined to complete the loading and unloading work of fuel, and the tape drive mechanism is one of important devices on a loading and unloading machine, so that the maintenance work of the tape drive mechanism is quite important, but the tape drive mechanism is heavy, the maintenance still needs to be carried out for turning the tape over for many times, and workers also need to change the standing positions to maintain different positions, so that the labor intensity of the workers is increased, and the working efficiency is reduced.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a nuclear power plant fuel loading and unloading tool and a loading and unloading process, which have the characteristic of high working efficiency.
In order to achieve the purpose, the invention provides the following technical scheme: the nuclear power plant fuel handling tool comprises a driving mechanism and a push rod mechanism detachably connected to the driving mechanism, a workbench is arranged below the driving mechanism and the push rod mechanism, the top of the workbench is rotatably connected with a rotating disc, the top of the workbench is provided with a rotating groove, the bottom of the rotating disc is fixedly connected with a rotating block, the rotating block is rotatably connected inside the rotating groove, the outer side wall of the rotating block is fixedly connected with a plurality of racks which are distributed at equal intervals, a screw rod is connected inside the outer side wall of the workbench in a threaded manner, one end of the screw rod, which is positioned inside the rotating groove, is rotatably connected with a toothed plate, and the toothed plate is meshed with the racks; the mounting frame is installed to the inside block in rolling disc top, the equal threaded connection of the inside wall of rolling disc left and right sides has the bolt, the bolt with the mounting frame spiro union is fixed, the lateral wall articulates there is the rotor plate behind the mounting frame, the rotor plate with the mounting frame spiro union is fixed, actuating mechanism is located the mounting frame is inboard, both sides wall around the actuating mechanism respectively with the rotor plate with lateral wall spiro union is fixed before the mounting frame.
As the nuclear power plant fuel handling tool, the top of the rotating disc is provided with an installation groove, and the bottom of the installation frame is clamped and installed in the installation groove.
As the fuel loading and unloading tool for the nuclear power plant, a rubber pad is fixedly connected to the inner side wall of the mounting groove.
As the nuclear power plant fuel handling tool, the bottoms of the left side wall and the right side wall of the mounting frame are respectively provided with a fixing hole, and the two bolts are respectively fixed in the two fixing holes in a threaded manner.
As the fuel handling tool for the nuclear power plant, the inner wall of the rotating groove is provided with the groove, and the groove and the toothed plate are in a horizontal state.
As the fuel handling tool for the nuclear power plant, the width and the length of the groove are larger than those of the toothed plate.
As the fuel loading and unloading tool for the nuclear power plant, a holding block is fixedly connected to the right side end of the screw.
As the fuel handling tool for the nuclear power plant, a drawer is arranged in the workbench in a sliding mode.
As the nuclear power plant fuel handling tool, the right side of the top of the workbench is provided with an I-shaped groove, and the right side end of the I-shaped groove is provided with an opening.
The loading and unloading process of the nuclear power plant fuel loading and unloading tool is characterized in that the rotating plate rotates downwards, the rotating disc and the mounting frame are in circular motion at the top of the workbench to complete reverse work of the driving mechanism, and the screw rod pushes the toothed plate to be meshed with the rack to complete fixing work of the driving mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the driving mechanism is positioned in the mounting frame, one side of the driving mechanism is fixed with the rotating plate hinged on the mounting frame, the other side of the driving mechanism is fixed with the mounting frame, when the driving mechanism works, a screw for fixing the driving mechanism is taken down, then the rotating plate is rotated downwards to turn over the driving mechanism, the rotating plate can be independently rotated downwards to overhaul different surfaces of the driving mechanism, the working efficiency is improved, the mounting frame is arranged at the top of the rotating disc, the rotating disc is rotatably connected at the top of the workbench, when the overhauling work is carried out, the rotating disc is rotated to drive the driving mechanism to rotate the mounting frame, so that the surface to be overhauled is moved to the front of workers, the workers can overhaul the different surfaces of the driving mechanism when standing in situ, the operation steps are reduced, the driving mechanism does not need to turn over the surface for many times when the overhauling work is carried out, the manpower is, the working efficiency is improved.
2. According to the invention, the plurality of racks are fixed on the outer side wall of the rotating disc, the racks are meshed with the toothed plates on the screw rods inside the outer side wall of the workbench, the face to be overhauled on the driving mechanism is moved to the front and the back of workers during working, the screw rods are screwed inwards to enable the toothed plates to be meshed with the racks, the rotating disc and the driving mechanism are fixed through the matching between the toothed plates and the racks, the fixing work is convenient, the stability during overhauling of the driving mechanism can be improved, the number of the racks on the rotating disc is plurality, the meshing range between the toothed plates and the racks is increased, the rotating disc rotating to different degrees can be fixed, and the applicability is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional side view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is an enlarged view of the portion B in FIG. 2;
fig. 5 is a schematic top view of the mounting frame of the present invention.
In the figure: 1. a drive mechanism; 2. a push rod mechanism; 3. a work table; 31. a rotating groove; 311. a groove; 32. a screw; 321. a toothed plate; 322. a holding block; 33. a drawer; 34. a I-shaped groove; 4. rotating the disc; 41. rotating the block; 411. a rack; 42. mounting grooves; 421. a rubber pad; 43. a bolt; 5. installing a frame; 51. a rotating plate; 52. and (7) fixing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides a nuclear power plant fuel handling tool: the rotary table comprises a driving mechanism 1 and a push rod mechanism 2 detachably connected to the driving mechanism 1, a workbench 3 is arranged below the driving mechanism 1 and the push rod mechanism 2, the top of the workbench 3 is rotatably connected with a rotary disc 4, the top of the workbench 3 is provided with a rotary groove 31, the bottom of the rotary disc 4 is fixedly connected with a rotary block 41, the rotary block 41 is rotatably connected inside the rotary groove 31, the outer side wall of the rotary block 41 is fixedly connected with a plurality of racks 411 which are distributed at equal intervals, the inner side wall of the outer side wall of the workbench 3 is in threaded connection with a screw 32, one end of the screw 32 positioned inside the rotary groove 31 is rotatably connected with a toothed plate 321, the toothed plate 321 is meshed and connected with the racks 411, an installation frame 5 is clamped and installed inside the top end of the rotary disc 4, bolts 43 are uniformly in threaded connection inside the left side wall and the right side wall of the rotary disc 4, the driving mechanism 1 is located on the inner side of the mounting frame 5, and the front and rear side walls of the driving mechanism 1 are respectively fixed with the rotating plate 51 and the front side wall of the mounting frame 5 in a threaded manner.
In the embodiment, the driving mechanism 1 and the push rod mechanism 2 are combined to form a loading and unloading tool, the driving mechanism 1 and the push rod mechanism 2 are positioned above the workbench 3, the driving mechanism 1 and the push rod mechanism 2 are detachably connected together, when the maintenance work is carried out, the driving mechanism 1 is fixed at the inner side of the V-21274H-shaped mounting frame 5 through two screws, one side of the driving mechanism 1 is fixed with the rotating plate 51 on the mounting frame 5, the other side of the driving mechanism 1 is fixed with the side of the mounting frame 5 opposite to the rotating plate 51, the mounting and the dismounting are convenient, the rotating plate 51 is fixed on the mounting frame 5 in a threaded manner, the firmness after the rotating plate 51 is mounted and the stability in use are improved, the firmness after the driving mechanism 1 is mounted inside the mounting frame 5 can be further improved, the maintenance effect is ensured, the rotating plate 51 is hinged on the mounting frame 5, the screws are taken down during the work, and then the, the turnover face of the driving mechanism 1 is carried out, the rotating plate 51 can be independently rotated downwards during the work, so that different faces of the driving mechanism 1 can be overhauled, the work efficiency is improved, the installation frame 5 is fixed at the top of the rotating disc 4 through two bolts 43, the stability of the installation frame 5 during the use is improved, the rotating block 41 at the bottom of the rotating disc 4 is rotatably connected inside the rotating groove 31 at the top of the workbench 3, the installation frame 5 can drive the driving mechanism 1 to rotate by rotating the rotating disc 4 during the overhaul work, the face to be overhauled is moved to the front of workers, the workers can carry out the overhaul work of different faces of the driving mechanism 1 when standing on the spot, the operation steps are reduced, the turnover face of the driving mechanism 1 is not required to be carried out for a plurality of times during the work, the labor force is saved, the labor intensity of the workers is reduced, the work efficiency is improved, a plurality of racks 411 are fixed on the, rack 411 and 3 outside wall inside screw rod 32 on the pinion rack 321 intermeshing, therefore the during operation is in the face of moving the workman back before waiting to overhaul on actuating mechanism 1, inwards twist the screw rod 32 and make pinion rack 321 and rack 411 mesh together, mutually support through pinion rack 321 and rack 411 come to fix the position of rolling disc 4, and then it is fixed with actuating mechanism 1, conveniently carry out actuating mechanism 1's fixed work, stability when having improved actuating mechanism 1 and overhauing, rack 411 quantity on the rolling disc 4 has a plurality of, the meshing scope between pinion rack 321 and the rack 411 has been increased, can rotate rolling disc 4 of different degrees and carry out fixed work, the suitability has been improved, workstation 3 can move to different positions, can freely select the maintenance region, the suitability has been improved.
Specifically, the top of the rotating disc 4 is provided with a mounting groove 42, the bottom of the mounting frame 5 is clamped and mounted inside the mounting groove 42, the inner side wall of the mounting groove 42 is fixedly connected with a rubber pad 421, the bottoms of the left side wall and the right side wall of the mounting frame 5 are both provided with fixing holes 52, and two bolts 43 are respectively screwed and fixed inside the two fixing holes 52; the bottom of the mounting frame 5 is clamped in the mounting groove 42 at the top of the rotating disc 4, the mounting frame 5 can be positioned through the mounting groove 42, the fixing work of the mounting frame 5 is more convenient after the positioning, the installation efficiency can be improved, after the bottom of the installation frame 5 enters the installation groove 42, the rubber pad 421 is clamped between the installation groove 42 and the installation frame 5, the connecting strength between the mounting groove 42 and the mounting frame 5 can be increased through the rubber pad 421, the positioning stability of the mounting frame 5 is improved, after the mounting frame 5 is positioned, the two bolts 43 are screwed inwards in sequence to enable the two bolts 43 to enter the two fixing holes 52 on the mounting frame 5 respectively, the installation frame 5 is fixed in the installation groove 42 through the mutual matching between the bolts 43 and the fixing holes 52, so that the connection work of the installation frame 5 and the rotating disc 4 is completed, and the firmness after the installation of the installation frame 5 and the stability in use are improved.
Specifically, the inner wall of the rotating groove 31 is provided with a groove 311, the groove 311 and the toothed plate 321 are in a horizontal state, and the width and the length of the groove 311 are greater than those of the toothed plate 321; when the toothed plate 321 moves backwards, the toothed plate 321 can be completely inserted into the groove 311, and the toothed plate 321 can be accommodated, so that the toothed plate 321 cannot obstruct the rotating block 41 to rotate inside the rotating groove 31, and the normal use of the device is ensured.
Specifically, the right end of the screw rod 32 is fixedly connected with a holding block 322; the worker can hold and rotate the holding block 322 to rotate the screw rod 32, so as to control the toothed plate 321 to move back and forth, and the holding block 322 is arranged to facilitate the force application of the worker.
Specifically, a drawer 33 is slidably mounted inside the workbench 3; the drawer 33 can be used for storing maintenance tools, and the working efficiency can be improved.
Specifically, the right side of the top of the workbench 3 is provided with an I-shaped groove 34, and the right side end of the I-shaped groove 34 is provided with an opening; can be at 3 top installation vices of workstation through worker's shape groove 34, the during operation comes the maintenance work of supplementary different parts through the vices, has improved work efficiency, and worker's shape groove 34 right side end has the opening, and the vices can pass in and out worker's shape groove 34 through the opening at will, and the installation is dismantled conveniently.
The working principle and the using process of the invention are as follows: when the maintenance work is carried out, the screw for fixing the driving mechanism 1 is taken down, then the rotating plate 51 is rotated downwards to carry out the turnover work of the driving mechanism 1, the rotating plate 51 can also be rotated downwards independently to expose the contact surface of the driving mechanism 1 and the rotating plate 51, then the rotating disc 4 is rotated to enable the mounting frame 5 to drive the driving mechanism 1 to rotate so as to move the surface to be maintained to the front of a worker, the worker can stand in situ to carry out the maintenance work of different surfaces of the driving mechanism 1, the operation steps are reduced, the turnover work of the driving mechanism 1 is not required to be carried out for a plurality of times during the work, the manpower is saved, the labor intensity of the worker is reduced, the work efficiency is improved, the surface to be maintained on the driving mechanism 1 is moved to the front of the worker, the screw rod 32 is screwed inwards to enable the toothed plate 321 to be meshed with the rack 411 so as to fix the rotating disc 4 and the driving mechanism 1, and the, stability when actuating mechanism 1 overhauls can be improved, and a plurality of rack 411 has increased the meshing scope between pinion rack 321 and the rack 411, can carry out fixed work to the rolling disc 4 that rotates the not equidimension, has improved the suitability.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Nuclear power plant's fuel handling instrument includes actuating mechanism (1) and can dismantle the connection and be in push rod mechanism (2) on actuating mechanism (1), its characterized in that: the driving mechanism (1) and the pusher
A workbench (3) is arranged below the mechanism (2), the top of the workbench (3) is rotatably connected with a rotating disc (4), the top of the workbench (3) is provided with a rotating groove (31), the bottom of the rotating disc (4) is fixedly connected with a rotating block (41), the rotating block (41) is rotatably connected inside the rotating groove (31), the outer side wall of the rotating block (41) is fixedly connected with a plurality of racks (411) which are distributed at equal intervals, the inner side wall of the workbench (3) is in threaded connection with a screw rod (32), one end of the screw rod (32) located inside the rotating groove (31) is rotatably connected with a toothed plate (321), and the toothed plate (321) is meshed with the racks (411);
installing frame (5) are installed to inside block in rolling disc (4) top, the inside equal threaded connection of rolling disc (4) left and right sides wall has bolt (43), bolt (43) with installing frame (5) spiro union is fixed, the lateral wall articulates there is rotor plate (51) behind installing frame (5), rotor plate (51) with installing frame (5) spiro union is fixed, actuating mechanism (1) is located installing frame (5) are inboard, actuating mechanism (1) front and back both sides wall respectively with rotor plate (51) with lateral wall spiro union is fixed before installing frame (5).
2. The nuclear power plant fuel handling tool of claim 1, wherein: mounting groove (42) have been seted up at rolling disc (4) top, installing frame (5) bottom block is installed inside mounting groove (42).
3. The nuclear power plant fuel handling tool of claim 2, wherein: the mounting groove (42) inside wall fixedly connected with rubber pad (421).
4. The nuclear power plant fuel handling tool of claim 1, wherein: the bottom of the left side wall and the bottom of the right side wall of the mounting frame (5) are both provided with fixing holes (52), and the two bolts (43) are respectively fixed in the two fixing holes (52) in a threaded manner.
5. The nuclear power plant fuel handling tool of claim 1, wherein: the inner wall of the rotating groove (31) is provided with a groove (311), and the groove (311) and the toothed plate (321) are in a horizontal state.
6. The nuclear power plant fuel handling tool of claim 5, wherein: the width and length of the groove (311) are greater than the width and length of the tooth plate (321).
7. The nuclear power plant fuel handling tool of claim 1, wherein: the right end of the screw rod (32) is fixedly connected with a holding block (322).
8. The nuclear power plant fuel handling tool of claim 1, wherein: a drawer (33) is slidably mounted inside the workbench (3).
9. The nuclear power plant fuel handling tool of claim 1, wherein: an I-shaped groove (34) is formed in the right side of the top of the workbench (3), and an opening is formed in the right side end of the I-shaped groove (34).
10. The process of handling a nuclear power plant fuel handling tool according to any of claims 1 to 9, wherein: the rotary plate (51) rotates downwards, the rotary disc (4) and the mounting frame (5) move circularly at the top of the workbench (3) to complete the turnover of the driving mechanism (1), and the screw rod (32) pushes the toothed plate (321) to be meshed with the rack (411) to complete the fixation of the driving mechanism (1).
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CN202011623945.0A CN112786222A (en) | 2020-12-30 | 2020-12-30 | Nuclear power plant fuel handling tool and handling process |
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CN202011623945.0A CN112786222A (en) | 2020-12-30 | 2020-12-30 | Nuclear power plant fuel handling tool and handling process |
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Citations (9)
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JP2001013290A (en) * | 1999-06-30 | 2001-01-19 | Toshiba Eng Co Ltd | Reactor fuel-handing device |
CN202480082U (en) * | 2011-12-26 | 2012-10-10 | 大连纳思达汽车设备有限公司 | Gearbox maintaining turning support |
CN106863336A (en) * | 2017-04-25 | 2017-06-20 | 全南县智护力工业产品设计有限公司 | A kind of clamping device of mechanical fitting |
CN207171997U (en) * | 2017-09-27 | 2018-04-03 | 中德传动汽车科技成都有限公司 | A kind of gearbox repairing quickly connects rollover stand |
CN108455469A (en) * | 2018-03-12 | 2018-08-28 | 盐城市瑞普医药化工有限公司 | A kind of mobile mast-up of medication chemistry overhaul of the equipments |
CN209170161U (en) * | 2018-12-18 | 2019-07-26 | 深圳市鑫台创电机有限公司 | A kind of asynchronous machine produces station-service apparatus for examination and repair |
CN210510947U (en) * | 2019-10-10 | 2020-05-12 | 福安市神洲电器有限公司 | Rotating platform for generator maintenance |
CN211959004U (en) * | 2020-05-15 | 2020-11-17 | 惠安信德机械有限公司 | A installation repair tools that is used for unmanned aerial vehicle cloud platform motor to dismantle demarcation |
CN112025643A (en) * | 2020-08-10 | 2020-12-04 | 张志程 | New energy automobile battery overhauls and uses fixed station |
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2020
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Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001013290A (en) * | 1999-06-30 | 2001-01-19 | Toshiba Eng Co Ltd | Reactor fuel-handing device |
CN202480082U (en) * | 2011-12-26 | 2012-10-10 | 大连纳思达汽车设备有限公司 | Gearbox maintaining turning support |
CN106863336A (en) * | 2017-04-25 | 2017-06-20 | 全南县智护力工业产品设计有限公司 | A kind of clamping device of mechanical fitting |
CN207171997U (en) * | 2017-09-27 | 2018-04-03 | 中德传动汽车科技成都有限公司 | A kind of gearbox repairing quickly connects rollover stand |
CN108455469A (en) * | 2018-03-12 | 2018-08-28 | 盐城市瑞普医药化工有限公司 | A kind of mobile mast-up of medication chemistry overhaul of the equipments |
CN209170161U (en) * | 2018-12-18 | 2019-07-26 | 深圳市鑫台创电机有限公司 | A kind of asynchronous machine produces station-service apparatus for examination and repair |
CN210510947U (en) * | 2019-10-10 | 2020-05-12 | 福安市神洲电器有限公司 | Rotating platform for generator maintenance |
CN211959004U (en) * | 2020-05-15 | 2020-11-17 | 惠安信德机械有限公司 | A installation repair tools that is used for unmanned aerial vehicle cloud platform motor to dismantle demarcation |
CN112025643A (en) * | 2020-08-10 | 2020-12-04 | 张志程 | New energy automobile battery overhauls and uses fixed station |
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Application publication date: 20210511 |