CN117623085A - Graphite crucible lifting device and method - Google Patents
Graphite crucible lifting device and method Download PDFInfo
- Publication number
- CN117623085A CN117623085A CN202311659287.4A CN202311659287A CN117623085A CN 117623085 A CN117623085 A CN 117623085A CN 202311659287 A CN202311659287 A CN 202311659287A CN 117623085 A CN117623085 A CN 117623085A
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- CN
- China
- Prior art keywords
- lifting
- graphite crucible
- sleeve
- rotating shaft
- graphite
- Prior art date
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 136
- 239000010439 graphite Substances 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007704 transition Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 4
- 230000003670 easy-to-clean Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 8
- 239000013078 crystal Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 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
- 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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- 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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
-
- 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
- B66C1/62—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 comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—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 comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention provides a graphite crucible hoisting device and a method, wherein the device comprises the following components: hoisting connecting pieces, a plurality of lifting arms and a plurality of lifting supports; the first ends of the lifting arms are connected with the lifting connecting pieces, and the second ends of the lifting arms are connected with the lifting support; the lifting support comprises: sleeve, lifting rotation shaft, lifting foot plate and limit handle; the first end of the lifting rotating shaft is nested in the sleeve; the second end of the lifting rotating shaft is connected with the lifting foot plate; the limiting handle passes through the lifting arm and the sleeve to be connected with the lifting rotating shaft and is used for controlling the lifting rotating shaft to rotate so as to drive the lifting foot plate to rotate; the second end of the sleeve is provided with a first bearing for fixing the sleeve and the lifting rotary shaft. The graphite crucible lifting device disclosed by the embodiment of the invention is simple in structure, simple and convenient to operate and easy to clean, and solves the problems that the graphite crucible lifting device in the prior art is complicated in structure, difficult to operate and easy to introduce pollution.
Description
Technical Field
The invention relates to the technical field of crucible moving devices, in particular to a graphite crucible lifting device and method.
Background
The graphite thermal field is an indispensable component when the Czochralski silicon single crystal grows, and comprises a graphite electrode, a heat insulation material, a graphite crucible rod, a heater, a graphite crucible support, a graphite crucible, a guide cylinder and the like, wherein the graphite crucible is disassembled after each growth of the semiconductor grade single crystal silicon rod, is sent to a thermal field cleaning room for cleaning, and is then installed in the thermal field in the single crystal furnace; along with the increase of the diameter of the monocrystalline silicon rod and the feeding amount, the corresponding graphite crucible is larger and larger, and the graphite crucible is easy to drop or damage other thermal field components due to manual installation and disassembly, so that the lifting appliance is required to be used for installing and disassembling the graphite crucible.
The existing graphite crucible lifting tool is complex in structure and not easy to clean, so that dust is brought into a thermal field to pollute a crystal bar, and the quality of the crystal bar is reduced; meanwhile, the problem that the fixation is not firm and easy to fall off during hoisting exists.
Disclosure of Invention
In order to solve the technical problems, the invention provides a graphite crucible lifting device and a graphite crucible lifting method, which are used for solving the problems that in the prior art, the structure of a graphite crucible lifting device is complex, the operation is difficult, and pollution is easy to introduce.
In order to solve the technical problems, the invention adopts the following technical scheme:
the embodiment of the invention provides a graphite crucible lifting device, which comprises:
hoisting connecting pieces, a plurality of lifting arms and a plurality of lifting supports;
the first ends of the lifting arms are connected with the lifting connecting pieces, and the second ends of the lifting arms are connected with the lifting support;
the lifting support comprises: sleeve, lifting rotation shaft, lifting foot plate and limit handle;
the first end of the lifting rotating shaft is nested in the sleeve; the second end of the lifting rotating shaft is connected with the lifting foot plate;
the limiting handle passes through the lifting arm and the sleeve to be connected with the lifting rotating shaft and is used for controlling the lifting rotating shaft to rotate so as to drive the lifting foot plate to rotate;
the second end of the sleeve is provided with a first bearing for fixing the sleeve and the lifting rotary shaft.
Further, a moving track is arranged on the lifting arm;
the lifting support is slidably connected with the lifting arm along the moving track.
Further, a limiting block is further arranged on the lifting arm and used for fixing the lifting support on the moving track of the lifting arm.
Further, the first end of the lifting rotating shaft is provided with a second bearing, a bearing cover and a locking nut;
the locking nut is used for pressing the inner ring of the second bearing, the bearing cover is used for pressing the outer ring of the second bearing, and the limit handle is fixed on the lifting rotating shaft.
Further, the limit handle includes:
the rotary handle is arranged at the first end of the transition flange;
the second end of the transition flange passes through the lifting arm and the sleeve to be connected with the lifting rotating shaft so as to control the lifting rotating shaft to rotate.
Further, the limit handle further includes:
and the limiting plunger is used for locking the rotary handle.
Further, the hoisting connector comprises:
the connecting plate and the hanging ring;
the connecting plate is fixedly connected with the hanging ring;
the hoisting connecting piece is connected with the first end of the lifting arm through the connecting plate.
Further, the connection plate includes: a plurality of cantilevers;
the number of the cantilevers corresponds to the number of the lifting arms one by one;
the first ends of the cantilevers are connected with the hanging rings, and the second ends of the cantilevers are connected with the corresponding first ends of the lifting arms.
Further, the lifting foot plate includes:
a first graphite gasket and a second graphite gasket;
the first graphite gasket is arranged on the top surface of the lifting foot plate, and the second graphite gasket is arranged on the side surface of the lifting foot plate;
and a third graphite gasket is arranged on one side, close to the connecting piece, of the outer wall of the sleeve.
The embodiment of the invention also provides a graphite crucible hoisting method, which is applied to the graphite crucible hoisting device, and comprises the following steps:
connecting a hoisting connecting piece with hoisting equipment, and moving the graphite crucible hoisting device to the position above the graphite crucible through the hoisting equipment;
the lifting rotary shaft is controlled to rotate through the limiting handle, so that the lifting foot plates are positioned in the tangential direction of the side surface of the graphite crucible;
controlling the graphite crucible lifting device to descend until the top surface of the lifting foot plate is lower than the bottom of the graphite crucible by a preset distance;
the limiting handle is used for controlling the lifting rotating shaft to rotate, so that the lifting foot plates are positioned at the bottom of the side face of the graphite crucible;
and lifting the graphite crucible lifting device through the lifting equipment until the graphite crucible is lifted.
The beneficial effects of the invention are as follows:
according to the graphite crucible lifting device, the lifting support comprises the sleeve and the lifting rotating shaft nested in the sleeve, so that the lifting support can be controlled to rotate relative to the sleeve, and the lifting foot plate is driven to rotate; the lifting foot plate is used for supporting and fixing the graphite crucible, the lifting foot plate is rotatable, the graphite crucible can be fixedly lifted and detached to be placed by rotating the lifting foot plate, and the operation is convenient. The graphite crucible lifting device disclosed by the embodiment of the invention is simple in structure, simple and convenient to operate and easy to clean, and solves the problems that the graphite crucible lifting device in the prior art is complicated in structure, difficult to operate and easy to introduce pollution.
Drawings
FIG. 1 is a front view of a graphite crucible lifting device according to an embodiment of the present invention;
FIG. 2 is a front view showing a graphite crucible lifting device according to an embodiment of the present invention;
FIG. 3 is a top view of a graphite crucible lifting device according to an embodiment of the present invention;
FIG. 4 shows a cross-sectional view in the direction A of FIG. 2;
FIG. 5 shows a schematic step diagram of a graphite crucible lifting method according to an embodiment of the present invention;
FIG. 6 is a schematic view showing a process of lifting a graphite crucible by the graphite crucible lifting device according to the embodiment of the present invention;
FIG. 7 is a second schematic view showing a process of lifting a graphite crucible by the graphite crucible lifting apparatus according to the embodiment of the present invention;
FIG. 8 is a third schematic view showing a process of lifting a graphite crucible by the graphite crucible lifting apparatus according to the embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the invention. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The invention provides a graphite crucible lifting device and a graphite crucible lifting method, aiming at the problems that a graphite crucible lifting device in the prior art is complex in structure, difficult to operate and easy to introduce pollution.
As shown in fig. 1 to 4, an embodiment of the present invention provides a graphite crucible lifting device, including:
a hoisting connection, a plurality of lifting arms 1 and a plurality of lifting supports;
the first ends of the lifting arms 1 are connected with the hoisting connecting pieces, and the second ends of the lifting arms are connected with the lifting support;
the lifting support comprises: sleeve 21, lifting rotation shaft 22, lifting foot plate 23 and limit handle 24;
a first end of the lifting rotation shaft 22 is nested in the sleeve 21; a second end of the lifting rotation shaft 22 is connected with the lifting foot plate 23;
the limiting handle 24 is connected with the lifting rotating shaft 22 through the lifting arm 1 and the sleeve 21, and is used for controlling the lifting rotating shaft 22 to rotate so as to drive the lifting foot plate 23 to rotate;
the second end of the sleeve 21 is provided with a first bearing 28 for fixing the sleeve 21 and the lifting rotation shaft 22.
In the embodiment of the invention, all metal pieces of the graphite crucible lifting device are made of SUS304, and the outer surfaces of all metal pieces are subjected to mirror polishing treatment.
In the embodiment of the invention, the number of the lifting arms is three or more, and the number of the lifting supports is the same as the number of the lifting arms.
In the embodiment of the invention, the lifting support can be controlled to rotate relative to the sleeve by the sleeve and the lifting rotating shaft nested in the sleeve and fixing the lifting rotating shaft and the sleeve with each other through the first bearing, so that the lifting foot plate is driven to rotate.
In the embodiment of the invention, the limiting handle is used for controlling the lifting rotating shaft to rotate so as to drive the lifting foot plate to rotate, so that the graphite crucible can be supported, fixed and placed.
According to the graphite crucible lifting device, the lifting support comprises the sleeve and the lifting rotating shaft nested in the sleeve, so that the lifting support can be controlled to rotate relative to the sleeve, and the lifting foot plate is driven to rotate; the lifting foot plate is used for supporting and fixing the graphite crucible, the lifting foot plate is rotatable, the graphite crucible can be fixedly lifted and detached to be placed by rotating the lifting foot plate, and the operation is convenient. The graphite crucible lifting device disclosed by the embodiment of the invention is simple in structure, simple and convenient to operate and easy to clean, and solves the problems that the graphite crucible lifting device in the prior art is complicated in structure, difficult to operate and easy to introduce pollution.
Optionally, a moving track 11 is provided on the lifting arm 1;
the lifting support is slidably connected to the lifting arm 1 along the movement track 11.
In the embodiment of the invention, the distance between the lifting support and the symmetry axis of the graphite crucible lifting device can be adjusted by sliding the lifting support so as to adapt to graphite crucibles with different diameters.
According to the graphite crucible lifting device, the moving track is arranged on the lifting arm, so that the lifting support can slide relative to the lifting arm along the moving track, and the distance between the lifting arm and the axis of the graphite crucible lifting device is adjusted, so that the graphite crucible lifting device can be applied to graphite crucibles with different diameters.
Optionally, a limiting block 12 is further disposed on the lifting arm 1, and is used for fixing the lifting support to the moving rail 11 of the lifting arm 1.
In the embodiment of the invention, after the lifting support is adjusted to a required position, the lifting support is fixed through the limiting block, so that the graphite crucible is prevented from falling off from the graphite crucible lifting device in the lifting process of the graphite crucible.
According to the graphite crucible lifting device, the lifting support can be fixed on the moving track of the lifting arm through the limiting block, so that the graphite crucible is prevented from falling off from the graphite crucible lifting device and is damaged due to the fact that the lifting support and the lifting arm slide relatively in the lifting process of the graphite crucible.
Optionally, the first end of the lifting rotation shaft 22 is provided with a second bearing 25, a bearing cap 26 and a lock nut 27;
the inner ring of the second bearing 25 is pressed by a lock nut 27, the outer ring of the second bearing 25 is pressed by the bearing cover 26, and the limit handle 24 is fixed to the lifting rotation shaft 22.
According to the graphite crucible lifting device, the limiting handle is fixed on the lifting rotating shaft through the second bearing, the locking nut and the bearing cover, so that the rotation of the lifting rotating shaft can be controlled through the limiting handle, and the graphite crucible is fixed and lifted.
Optionally, the limit handle 24 includes:
a transition flange 241 and a rotary handle 242 disposed at a first end of the transition flange;
the second end of the excess flange 241 is connected to the lift rotation shaft 22 through the lift arm 1 and the sleeve 21 to control the rotation of the lift rotation shaft 22.
Optionally, the lifting support is slidably connected to the lifting arm along the movement track, which can be understood as: limiting handle set up in the lifting arm upper end, the sleeve with the lifting support set up in the lower extreme of lifting arm, through transition flange with the connection of lifting arm makes the lifting support can be followed remove the slide rail and slide.
According to the graphite crucible lifting device, the limiting handles can be connected with the lifting rotating shaft at intervals through the transition flange, so that the lifting support can be controlled to rotate while sliding along the moving track of the lifting arm.
Optionally, the limiting handle 24 further includes:
and a limiting plunger 243 for locking the rotary handle 242.
In the embodiment of the invention, in the process of lifting the graphite crucible by the graphite crucible lifting device, the lifting rotating shaft is controlled to rotate by the rotating handle so as to drive the lifting foot plate to rotate, and after the graphite crucible lifting device and the graphite crucible are installed, the rotating handle is locked by the limiting plunger, so that the crucible shaft is prevented from slipping off the graphite crucible lifting device due to the rotation of the lifting foot plate in the process of lifting the graphite crucible.
Optionally, the hoisting connector comprises:
a connection plate 31 and a hanging ring 32;
the connecting plate 31 is fixedly connected with the hanging ring 32;
the hoisting connection is connected to the first end of the lifting arm 1 via the connection plate 31.
Optionally, one end of the hanging ring is provided with threads;
the connecting plate is provided with a mounting shaft, and the mounting shaft is hollow and provided with internal threads;
the hanging ring is connected with the connecting plate through the mounting shaft.
Optionally, a plurality of ribs are provided between the mounting shaft and the connecting plate.
Optionally, the lifting device is connected with the lifting ring, and the graphite crucible lifting device is lifted through the lifting ring.
Optionally, the connecting plate is fixedly connected with the lifting arm in a welding manner.
Optionally, the connection plate 31 includes: a plurality of cantilevers 311;
the number of the cantilevers 311 is in one-to-one correspondence with the lifting arms 1;
the first ends of the cantilever arms 311 are connected to the hanging ring 32, and the second ends are connected to the first ends of the corresponding lifting arms 1.
Optionally, each cantilever is fixedly connected with the lifting arm by welding.
Optionally, the lifting foot plate 23 includes:
a first graphite gasket 231 and a second graphite gasket 232;
the first graphite pad 231 is disposed on the top surface of the lifting foot plate 23, and the second graphite pad 232 is disposed on the side surface of the lifting foot plate 23;
a third graphite gasket 211 is arranged on one side of the outer wall of the sleeve 21, which is close to the connecting piece.
Optionally, the third graphite gasket has the same length as the sleeve.
According to the graphite crucible lifting device, the first graphite gasket is arranged on the top surface of the lifting foot plate, and the second graphite gasket is arranged on the side surface of the lifting foot plate, so that the lifting foot plate is prevented from touching the graphite crucible in the whole lifting process, and metal pollution is prevented from being introduced.
As shown in fig. 5, the embodiment of the invention further provides a graphite crucible lifting method, which is applied to the graphite crucible lifting device, and comprises the following steps:
step 501, connecting a hoisting connecting piece with hoisting equipment, and moving the graphite crucible hoisting device to the position above a graphite crucible through the hoisting equipment;
step 502, controlling the lifting rotating shaft to rotate through the limiting handle, so that the lifting foot plates are positioned on the tangential direction of the side surface of the graphite crucible;
step 503, controlling the graphite crucible lifting device to descend until the top surface of the lifting foot plate is lower than the bottom of the graphite crucible by a preset distance;
step 504, controlling the lifting rotating shaft to rotate through the limiting handle, so that the lifting foot plates are positioned at the bottom of the side surface of the graphite crucible;
and 505, lifting the graphite crucible lifting device through the lifting equipment until the graphite crucible is lifted.
Optionally, the lifting device may be a crane or a dedicated manipulator in a workshop.
Optionally, the connecting the hoisting connector with the hoisting device includes:
and connecting the hoisting device with the hoisting ring of the hoisting connecting piece.
Optionally, as shown in fig. 6, the controlling the lifting rotation shaft to rotate by the limiting handle, so that the lifting foot plates are all located in a tangential direction of the side surface of the graphite crucible, includes:
rotating a rotating handle on the limiting handle along a first direction to drive the lifting rotating shaft and the lifting foot plate to rotate until the lifting foot plate is positioned on the tangential direction of the side surface of the graphite crucible;
the rotary handle is locked through the limiting plunger;
sliding the lifting supports on the lifting arms, and adjusting the distance between the lifting supports and the symmetry axis of the graphite crucible lifting device so that the distance between each lifting support and the symmetry axis is the same, and the distance between the lifting supports and the outer wall of the graphite crucible is smaller than a preset value;
and limiting the lifting support by the limiting block.
As shown in fig. 7, the graphite crucible lifting device is controlled to descend until the top surface of the lifting foot plate is lower than the bottom of the graphite crucible by a preset distance.
Optionally, as shown in fig. 8, the limiting handle controls the lifting rotation shaft to rotate, so that the lifting foot plates are located at the bottom of the side surface of the graphite crucible, and the method includes:
opening the limit plunger, rotating the limit handle along a second direction, and driving the lifting rotating shaft and the lifting foot plate to rotate until the lifting foot plate is positioned at the bottom of the side surface of the graphite crucible;
the rotary handle is locked through the limiting plunger;
wherein the first direction and the second direction are opposite directions.
In this specification, all embodiments are described in a progressive manner, and identical and similar parts of the embodiments are all referred to each other, and each embodiment is mainly described in a different way from other embodiments. In particular, for the embodiments, since they are substantially similar to the product embodiments, the description is relatively simple, and the relevant points are found in the section of the product embodiments.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
It will be understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Accordingly, the scope of the disclosure should be determined by the following claimsIs based on the protection scope of (2) 。
Claims (10)
1. Graphite crucible hoist device, its characterized in that includes:
hoisting connecting pieces, a plurality of lifting arms and a plurality of lifting supports;
the first ends of the lifting arms are connected with the lifting connecting pieces, and the second ends of the lifting arms are connected with the lifting support;
the lifting support comprises: sleeve, lifting rotation shaft, lifting foot plate and limit handle;
the first end of the lifting rotating shaft is nested in the sleeve; the second end of the lifting rotating shaft is connected with the lifting foot plate;
the limiting handle passes through the lifting arm and the sleeve to be connected with the lifting rotating shaft and is used for controlling the lifting rotating shaft to rotate so as to drive the lifting foot plate to rotate;
the second end of the sleeve is provided with a first bearing for fixing the sleeve and the lifting rotary shaft.
2. The graphite crucible lifting device according to claim 1, wherein a moving rail is provided on the lifting arm;
the lifting support is slidably connected with the lifting arm along the moving track.
3. The graphite crucible lifting device according to claim 2, wherein a stopper is further provided on the lifting arm for fixing the lifting support to the moving rail of the lifting arm.
4. The graphite crucible lifting device according to claim 1, wherein the first end of the lifting rotation shaft is provided with a second bearing, a bearing cap and a lock nut;
the locking nut is used for pressing the inner ring of the second bearing, the bearing cover is used for pressing the outer ring of the second bearing, and the limit handle is fixed on the lifting rotating shaft.
5. The graphite crucible lifting device of claim 1, wherein the limit handle comprises:
the rotary handle is arranged at the first end of the transition flange;
the second end of the transition flange passes through the lifting arm and the sleeve to be connected with the lifting rotating shaft so as to control the lifting rotating shaft to rotate.
6. The graphite crucible lifting device of claim 5, wherein the limit handle further comprises:
and the limiting plunger is used for locking the rotary handle.
7. The graphite crucible lifting device of claim 1, wherein the lifting connection comprises:
the connecting plate and the hanging ring;
the connecting plate is fixedly connected with the hanging ring;
the hoisting connecting piece is connected with the first end of the lifting arm through the connecting plate.
8. The graphite crucible lifting device of claim 7, wherein the web comprises: a plurality of cantilevers;
the number of the cantilevers corresponds to the number of the lifting arms one by one;
the first ends of the cantilevers are connected with the hanging rings, and the second ends of the cantilevers are connected with the corresponding first ends of the lifting arms.
9. The graphite crucible lifting device of claim 1, wherein the lifting foot plate comprises:
a first graphite gasket and a second graphite gasket;
the first graphite gasket is arranged on the top surface of the lifting foot plate, and the second graphite gasket is arranged on the side surface of the lifting foot plate;
and a third graphite gasket is arranged on one side, close to the connecting piece, of the outer wall of the sleeve.
10. A graphite crucible lifting method applied to the graphite crucible lifting device as claimed in any one of claims 1 to 9, comprising:
connecting a hoisting connecting piece with hoisting equipment, and moving the graphite crucible hoisting device to the position above the graphite crucible through the hoisting equipment;
the lifting rotary shaft is controlled to rotate through the limiting handle, so that the lifting foot plates are positioned in the tangential direction of the side surface of the graphite crucible;
controlling the graphite crucible lifting device to descend until the top surface of the lifting foot plate is lower than the bottom of the graphite crucible by a preset distance;
the limiting handle is used for controlling the lifting rotating shaft to rotate, so that the lifting foot plates are positioned at the bottom of the side face of the graphite crucible;
and lifting the graphite crucible lifting device through the lifting equipment until the graphite crucible is lifted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311659287.4A CN117623085A (en) | 2023-12-05 | 2023-12-05 | Graphite crucible lifting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311659287.4A CN117623085A (en) | 2023-12-05 | 2023-12-05 | Graphite crucible lifting device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117623085A true CN117623085A (en) | 2024-03-01 |
Family
ID=90023136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311659287.4A Pending CN117623085A (en) | 2023-12-05 | 2023-12-05 | Graphite crucible lifting device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117623085A (en) |
-
2023
- 2023-12-05 CN CN202311659287.4A patent/CN117623085A/en active Pending
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