CN112357760B - Divertor lifting device for maintenance of nuclear fusion device - Google Patents
Divertor lifting device for maintenance of nuclear fusion device Download PDFInfo
- Publication number
- CN112357760B CN112357760B CN202011355798.3A CN202011355798A CN112357760B CN 112357760 B CN112357760 B CN 112357760B CN 202011355798 A CN202011355798 A CN 202011355798A CN 112357760 B CN112357760 B CN 112357760B
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- China
- Prior art keywords
- hoisting
- divertor
- lifting
- platform
- vacuum chamber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012423 maintenance Methods 0.000 title claims abstract description 24
- 230000004927 fusion Effects 0.000 title claims abstract description 21
- 238000005253 cladding Methods 0.000 claims abstract description 24
- 239000000725 suspension Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a method for nuclear fusion and (3) a divertor hoisting device for device maintenance: comprises a vacuum chamber, a high-field side cladding, a low-field side cladding, a divertor and a divertor hoisting device; the divertor lifting device comprises a top lifting platform and a lower lifting platform, wherein the top lifting platform comprises a frame body, a locking mechanism and a travelling crane, the lower lifting platform comprises a support, a suspension arm mechanism and a winch, and the top lifting platform is connected with the lower lifting platform through a wire rope which is lowered through the travelling crane. According to the invention, the vertical upper neck pipe is adopted to hoist and transport the divertor, so that the maintenance efficiency and the normal running time of the device are greatly improved.
Description
Technical Field
The invention relates to the technical field of nuclear fusion engineering, in particular to a divertor hoisting device for maintenance of a nuclear fusion device.
Background
The magnetic confinement nuclear fusion device is a main device for researching controllable nuclear fusion at present, the research of the magnetic confinement nuclear fusion device plays an immeasurable role in realizing commercial fusion stacks, and the magnetic confinement device is an ideal energy alternative scheme because plasma generates fusion reaction in a vacuum chamber under the confinement of a magnetic field so as to release huge energy for thermoelectric conversion. Divertors are vital components in magnetically confined fusion devices that effectively shield impurities from the walls, reduce contamination of the central plasma, expel particle and heat flow from the central plasma, and deposit helium ash generated during the fusion reaction. The diverters are worn out by running in the vacuum chamber for a long period of time, requiring regular maintenance. The existing integral maintenance scheme of the divertor adopts a lower window for maintenance, the maintenance time is long, and a large maintenance window is required to be arranged at the bottom of the vacuum chamber, so that the integral structural strength of the vacuum chamber is reduced.
Disclosure of Invention
The invention aims to provide a divertor lifting device for maintaining a nuclear fusion device, so as to meet the installation and maintenance requirements of divertors of internal components of the nuclear fusion device. The invention adopts the scheme that the upper window and the lower window are used simultaneously, the maintenance equipment is sent through the lower window, and the divertor is hoisted and transported through the upper window, and by adopting the maintenance strategy, the size of the lower window is effectively reduced, the strength of a vacuum chamber is improved, and meanwhile, in the process of hoisting and transporting the divertor, the maintenance equipment can also continuously maintain other divertors, so that the maintenance efficiency and the normal operation time of the device are greatly improved.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A divertor hoist device for nuclear fusion device maintenance includes vacuum chamber, high field side cladding, low field side cladding, divertor and divertor hoist device.
The divertor hoisting equipment comprises a top hoisting platform and a lower hoisting platform, wherein the top hoisting platform comprises a frame body, a locking mechanism and a travelling crane; the lower hoisting platform comprises a bracket, a suspension arm mechanism and a winch, and the top hoisting platform is connected with the lower hoisting platform through a steel wire rope which is lowered by a crane; the upper part of the vacuum chamber is integrated with an upper neck pipe, the section of the upper neck pipe is trapezoid, the inner side of the upper neck pipe is a short side, and the outer side of the upper neck pipe is a long side; the high-field side cladding is arranged on the inner side of the vacuum chamber, and the high-field side cladding needs to be avoided when the divertor is hoisted; the low-field side cladding is arranged on the outer side of the vacuum chamber, and the low-field side cladding positioned right below the upper neck pipe is moved out of the vacuum chamber in advance when the divertor is hoisted; the divertor is arranged at the bottom of the vacuum chamber, the top surface of the divertor is provided with three groups of hoisting cavities, one group is arranged at the inner side, and two groups are arranged at the outer side.
The divertor lifting device moves downwards to a designated position along the upper neck pipe of the vacuum chamber, is locked with the upper neck pipe through a locking mechanism on the top lifting platform, the locking mechanism comprises three groups, one group of inner sides is arranged on the symmetry axis of the trapezoid section of the neck pipe, two groups of outer sides are symmetrically arranged along the axis, the locking mechanism comprises an electric push rod and a locking pin, and the locking pin is locked and separated from a pin hole at the corresponding position of the upper neck pipe through the expansion and contraction of the electric push rod.
The travelling crane comprises two groups, the travelling crane is placed on the frame body and can move along the horizontal direction, and each group of travelling crane is provided with two groups of steel wire ropes in a downward-falling mode to be in butt joint with the lower hoisting platform.
The suspension arm mechanism is arranged on the lower hoisting platform, the suspension arm mechanism adopts an industrially mature telescopic arm mechanism of the automobile crane, the suspension arm mechanism lowers a group of hoisting bodies together, and the hoisting bodies can move vertically and horizontally through the suspension arm mechanism.
The hoisting machine is fixedly arranged at the tail end of the lower hoisting platform, and the hoisting machine lowers two groups of hoisting bodies.
The lower hoisting platform and the divertor are in butt joint by three groups of hoisting bodies, each hoisting body comprises a hoisting box body, a hoisting shaft is rotatably arranged in each hoisting box body, the outer end of each hoisting shaft extends out of the corresponding hoisting box body, and a square lifting hook is fixed at the extending end of each hoisting shaft; the top surface of the divertor is provided with a hoisting part, the hoisting part is provided with a hoisting cavity, the upper surface of the hoisting cavity is provided with square through holes corresponding to the size of the hoisting body, and after the lifting hook enters the hoisting cavity from the through holes, the hoisting shaft rotates to enable the hoisting body to rotate and be perpendicular to the long sides of the through holes.
The technical scheme of the invention has the beneficial effects that:
The invention designs a divertor lifting device for maintaining a nuclear fusion device, which adopts the scheme of lifting and transferring a divertor by an upper window, and sends the divertor into a divertor maintenance device by a lower window, thereby effectively reducing the size of the lower window, improving the strength of a vacuum chamber, and simultaneously, the maintenance device can continuously maintain other divertors during the lifting and transferring of the divertor, thereby greatly improving the maintenance efficiency and reducing the maintenance time.
Drawings
FIG. 1 is an overall layout of the present invention;
FIG. 2 is a schematic view of a divertor-lifting device of the present invention;
FIG. 3 is a top view of the top hoist platform of the present invention;
FIG. 4 is a schematic view of the locking mechanism of the present invention;
FIG. 5 is a schematic view of the lower lifting platform of the present invention;
FIG. 6 (a) is a schematic diagram of the structure of the divertor of the present invention;
fig. 6 (b) is a schematic view of the structure of the lifting body of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings. The specific embodiments described herein are offered by way of illustration and explanation only, and are not intended to limit the invention. The components of the embodiments of the invention generally described herein and shown in the figures may be arranged and designed in a wide variety of configurations. Accordingly, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to fall within the scope of the present invention.
As shown in fig. 1-6: according to an embodiment of the invention, a divertor hoisting device for maintenance of a nuclear fusion device is provided: comprises a vacuum chamber 1, a high-field side cladding 2, a low-field side cladding 3, a divertor 4 and divertor hoisting equipment. The divertor lifting device comprises a top lifting platform 5 and a lower lifting platform 6, wherein the top lifting platform 5 comprises a frame body 5-1, a locking mechanism 5-2 and a crane 5-3, the lower lifting platform 6 comprises a bracket 6-1, a boom mechanism 6-2 and a winch 6-3, and the top lifting platform is connected with the lower lifting platform through a crane-released steel wire rope 5-5. The upper part of the vacuum chamber 1 is integrated with an upper neck pipe 1-1, the section of the upper neck pipe 1-1 is trapezoid, the inner side is a short side, and the outer side is a long side. The high-field side cladding layer 2 is arranged on the inner side of the vacuum chamber 1, and the high-field side cladding layer 2 needs to be avoided when the divertor 4 is hoisted. The low-field side cladding layer 3 is arranged on the outer side of the vacuum chamber 1, and the low-field side cladding layer 3 positioned right below the upper neck pipe 1-1 is moved out of the vacuum chamber 1 when the divertor 4 is hoisted. The divertor 4 is arranged at the bottom of the vacuum chamber 1, three groups of hoisting cavities are arranged on the top surface of the divertor 4, one group is arranged on the inner side, and two groups are arranged on the outer side.
The divertor lifting device moves downwards to a designated position along the upper neck tube 1-1 of the vacuum chamber, is locked with the upper neck tube 1-1 through a locking mechanism 5-2 on the top lifting platform 5, as shown in fig. 4, the locking mechanism 5-2 comprises three groups, one group is arranged on the symmetry axis of the trapezoid cross section of the neck tube on the inner side, two groups on the outer side are symmetrically arranged along the axis, the locking mechanism 5-2 comprises an electric push rod 5-2a, a locking pin 5-2b, a mounting seat 5-2c and a guide seat 5-2d, and the locking pin 5-2b and the pin hole at the corresponding position of the upper neck tube 1-1 are locked and separated through the expansion and the contraction of the electric push rod 5-2 a.
According to the embodiment of the invention, as shown in fig. 3, the traveling crane 5-3 comprises two groups, the traveling crane 5-3 is placed on the frame body 5-1, the traveling crane 5-3 can move along the horizontal direction, and each group of traveling crane is provided with two groups of steel wire ropes 5-5 to be butted with the lower hoisting platform 6.
According to the embodiment of the invention, as shown in fig. 2, the suspension arm mechanism 6-2 is mounted on the lower hoisting platform bracket 6-1, the suspension arm mechanism 6-2 adopts an industrially mature telescopic arm mechanism of an automobile crane, the suspension arm mechanism lowers a group of hoisting bodies 6-4, and the hoisting bodies 6-4 can move vertically and horizontally through the suspension arm mechanism 6-2.
According to the embodiment of the invention, the windlass 6-3 is fixedly arranged at the tail end of the lower hoisting platform bracket 6-1, and the windlass 6-3 is used for lowering two groups of hoisting bodies 6-4.
As shown in fig. 6 (a) and (b), the lifting bodies 6-4 comprise lifting box bodies 6-4a, lifting shafts 6-4b are rotatably arranged in the lifting box bodies 6-4a, the outer ends of the lifting shafts 6-4b extend out of the lifting box bodies 6-4a, and square lifting hooks are fixed at the extending ends of the lifting shafts 6-4 b; the top surface of the divertor 4 is provided with a hoisting cavity 4-1, the upper surface of the hoisting cavity 4-1 is provided with square through holes corresponding to the size of the hoisting body 6-4, and after the lifting hook enters the hoisting cavity 4-1 from the through holes, the hoisting shaft 6-4b rotates to enable the hoisting body 6-4 to rotate and be perpendicular to the long sides of the through holes.
The working principle of the invention is as follows:
The invention relates to a divertor lifting device for maintaining a nuclear fusion device, which comprises a vacuum chamber, a high-field side cladding, a low-field side cladding, a divertor and a divertor lifting device, and comprises the following specific operation steps:
step 1: the divertor lifting device is used for lifting the divertor lifting device to a designated position along the upper neck pipe through the external lifting device, a locking mechanism on the top lifting platform is locked with the upper neck pipe, the lower lifting platform is in a retracted state, the divertor is transported to a position right below the upper window through the maintenance device sent by the lower window to be positioned at the lifting position, and the low-field side cladding right below the upper neck pipe is removed.
Step 2: the crane on the top transfer platform drives the lower lifting platform to move horizontally inwards, the lower lifting platform continues to move downwards to a proper position, and the suspension arm mechanism integrated on the lower lifting platform is unfolded.
Step 3: and the suspension arm equipment and the winch which are integrated on the lower hoisting platform continue to lower the hoisting body to the designated position and are in butt joint locking with the divertor.
Step 4: and two groups of travelling cranes on the top hoisting platform hoist the lower hoisting platform and the divertor integrally move upwards to a position with larger space in the vacuum chamber.
Step 5: the lower hoisting platform adjusts the pose of the divertor, and the hoisting bodies lowered by the hoisting arm mechanism continue to move upwards, and at the same time, the two groups of hoisting bodies lowered by the hoisting machine continue to descend, so that the divertor is rotated to a preset angle.
Step 6: and two groups of traveling cranes integrated on the top hoisting platform continue to hoist the whole lower hoisting platform and the divertor to the appointed position, and then the traveling cranes drive the whole lower hoisting platform and the divertor to move horizontally outwards so as to avoid the high-field side cladding.
Step 7: the locking mechanism of the top hoisting platform is separated from the upper neck pipe of the vacuum chamber, and the divertor hoisting equipment and the divertor are integrally hoisted out of the vacuum chamber through external equipment.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (3)
1. A divertor lifting device for maintaining a nuclear fusion device comprises a vacuum chamber, a high-field side cladding, a low-field side cladding, a divertor and a divertor lifting device; the method is characterized in that:
The divertor hoisting equipment comprises a top hoisting platform and a lower hoisting platform, wherein the top hoisting platform comprises a frame body, a locking mechanism and a travelling crane; the lower hoisting platform comprises a bracket, a suspension arm mechanism and a winch, and the top hoisting platform is connected with the lower hoisting platform through a steel wire rope which is lowered by a crane; the upper part of the vacuum chamber is integrated with an upper neck pipe, the section of the upper neck pipe is trapezoid, the inner side of the upper neck pipe is a short side, and the outer side of the upper neck pipe is a long side;
The high-field side cladding is arranged on the inner side of the vacuum chamber, and the high-field side cladding needs to be avoided when the divertor is hoisted; the low-field side cladding is arranged on the outer side of the vacuum chamber, and the low-field side cladding positioned right below the upper neck pipe is moved out of the vacuum chamber in advance when the divertor is hoisted;
the divertor is arranged at the bottom of the vacuum chamber, the top surface of the divertor is provided with three groups of hoisting cavities, one group is arranged at the inner side, and two groups are arranged at the outer side;
the lower hoisting platform and the divertor are in butt joint by three groups of hoisting bodies, each hoisting body comprises a hoisting box body, a hoisting shaft is rotatably arranged in each hoisting box body, the outer end of each hoisting shaft extends out of the corresponding hoisting box body, and a square lifting hook is fixed at the extending end of each hoisting shaft; the top surface of the divertor is provided with a hoisting part, the hoisting parts are provided with hoisting cavities, the upper surfaces of the hoisting cavities are provided with square through holes corresponding to the sizes of the hoisting bodies, and after the lifting hooks enter the hoisting cavities from the through holes, the hoisting shafts rotate to enable the hoisting bodies to rotate and be perpendicular to the long sides of the through holes;
the divertor lifting device moves downwards to a designated position along the upper neck pipe of the vacuum chamber, is locked and fixed with the upper neck pipe through a locking mechanism on the top lifting platform, the locking mechanism comprises three groups, one group on the inner side is arranged on the symmetry axis of the trapezoid section of the neck pipe, the two groups on the outer side are symmetrically arranged along the axis, the locking mechanism comprises an electric push rod and a locking pin, and the locking pin is locked and separated from a pin hole at the corresponding position of the upper neck pipe through the expansion and the contraction of the electric push rod;
The lifting arm mechanism is arranged on the lower lifting platform, the lifting arm mechanism adopts an industrial telescopic arm mechanism, a group of lifting bodies are placed down by the lifting arm mechanism, and the lifting bodies can move vertically and horizontally through the lifting arm mechanism.
2. The divertor lifting device for maintenance of a nuclear fusion device of claim 1, wherein:
The travelling crane includes two sets altogether, and the travelling crane is placed on the frame body, and the travelling crane can follow the horizontal direction and remove, and two sets of wire ropes are transferred to every group travelling crane and lower part hoist and mount platform butt joint.
3. The divertor lifting device for maintenance of a nuclear fusion device of claim 1, wherein:
The hoisting machine is fixedly arranged at the tail end of the lower hoisting platform, and the hoisting machine lowers two groups of hoisting bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355798.3A CN112357760B (en) | 2020-11-27 | 2020-11-27 | Divertor lifting device for maintenance of nuclear fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355798.3A CN112357760B (en) | 2020-11-27 | 2020-11-27 | Divertor lifting device for maintenance of nuclear fusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112357760A CN112357760A (en) | 2021-02-12 |
| CN112357760B true CN112357760B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011355798.3A Active CN112357760B (en) | 2020-11-27 | 2020-11-27 | Divertor lifting device for maintenance of nuclear fusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112357760B (en) |
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2020
- 2020-11-27 CN CN202011355798.3A patent/CN112357760B/en active Active
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|---|---|
| CN112357760A (en) | 2021-02-12 |
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