CN115231432A - Stator core segment hoisting device and using method thereof - Google Patents
Stator core segment hoisting device and using method thereof Download PDFInfo
- Publication number
- CN115231432A CN115231432A CN202210853652.4A CN202210853652A CN115231432A CN 115231432 A CN115231432 A CN 115231432A CN 202210853652 A CN202210853652 A CN 202210853652A CN 115231432 A CN115231432 A CN 115231432A
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- CN
- China
- Prior art keywords
- lifting
- hoisting
- hook
- iron core
- lifting hook
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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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Classifications
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- 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
- B66C1/107—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 for lifting engines
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- 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
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- 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
- B66C1/30—Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
Abstract
The invention discloses a stator core section hoisting device and a using method thereof, and relates to the technical field of turbonators, the stator core section hoisting device comprises a hoisting plate and a plurality of hoisting mechanisms, each hoisting mechanism comprises a guide rail, a hoisting hook and a linear execution element, the guide rail is arranged along the radial direction of the hoisting plate, the hoisting hooks are slidably connected to the guide rail through a sliding block, each hoisting hook comprises an outer hoisting hook and an inner hoisting hook, the linear execution element is arranged between the outer hoisting hook and the inner hoisting hook and acts on the outer hoisting hook and the inner hoisting hook, the outer hoisting hook is close to the outer ring of the hoisting plate, the inner hoisting hook is close to the inner ring of the hoisting plate, and a plurality of hoisting mechanisms are circumferentially arranged on the bottom surface of the hoisting plate at intervals. The stator core segment hoisting device and the using method thereof have the advantages of short clamping time and convenience in clamping process; the top supporting legs with adjustable heights are arranged to adapt to iron cores with different heights.
Description
Technical Field
The invention relates to the technical field of turbonators, in particular to a stator iron core section hoisting device and a using method thereof.
Background
The stator core of the steam turbine generator is externally overlapped in a segmented mode, so that the assembly efficiency of the stator core can be improved, and the manufacturing period of the steam turbine generator is shortened. The stator core stacking can be synchronously carried out by multi-station stacking outside the segments, and then a plurality of segment cores are overlapped and assembled to complete the assembly of the whole stator core. The lifting of the segmented outer stacked iron core requires that the lifting process cannot generate large deformation, the lifting tool is fast to assemble and disassemble, and the assembly quality of the stator iron core is ensured.
The lifting of the stator external laminated iron core section is related to the key process of the stator iron core laminating efficiency and quality. At present, the lifting of stator external laminated iron core section is usually carried out by using a penetrating screw hole on an iron core segment, such as patent name: an iron core section hoisting structure, patent number: the invention of CN103552910B utilizes the penetrating screw hole on the stator core punching sheet to hoist, and has the characteristics of rapid installation of a hoisting tool, high hoisting efficiency and the like. But the mode is not suitable for the machine type with punching sheets without penetrating screw holes.
Disclosure of Invention
The invention aims to: aiming at the existing problems, the invention provides a stator core section hoisting device and a using method thereof, wherein a linear actuating element drives an inner lifting hook and an outer lifting hook to be clamped on the inner circle and the outer circle of a core in a matching manner for hoisting, and the stator core section hoisting device has the advantages of short clamping time and convenience in clamping process; the top supporting legs with adjustable heights are arranged to adapt to iron cores with different heights, and the iron core adjusting device has wide application prospect.
The technical scheme adopted by the invention is as follows:
the utility model provides a stator core section hoisting accessory, includes hoisting plate and a plurality of hoisting mechanism, hoisting mechanism includes guide rail, lifting hook and sharp executive component, the guide rail is along hoisting plate radial setting, lifting hook passes through slider slidable connection in guide rail, lifting hook is including outer lifting hook and interior lifting hook, sharp executive component locates between outer lifting hook and the interior lifting hook to act on outer lifting hook and interior lifting hook, outer lifting hook is close to the hoisting plate outer lane, interior lifting hook is close to the hoisting plate inner circle, and is a plurality of hoisting mechanism arranges in hoisting plate bottom surface along the circumference interval.
Furthermore, the number of the hoisting mechanisms and the number of the iron core punching sheets are in a multiple relation, a groove part is formed between every two adjacent iron core punching sheets, the groove part comprises an outer groove matched with an outer ring of the iron core and an inner groove matched with an inner ring of the iron core, the outer hoisting hook can be matched with the outer groove, the inner hoisting hook can be matched with the inner groove, and more than two hoisting mechanisms can be matched with each other to limit the iron core.
Furthermore, the bottom end of the lifting hook extends to the horizontal direction to form a limiting convex block which can be matched with a gap on the bottom surface of the iron core, and the limiting convex blocks of the inner lifting hook and the outer lifting hook are arranged oppositely.
Due to the adoption of the technical scheme, the bottom layer of the iron core is provided with the ventilation channel steel, the limiting lug can be inserted into a gap formed by the ventilation channel steel, and the limiting lug can limit the iron core along the vertical direction; the inner lifting hook and the outer lifting hook are matched with each other, and the iron core can be limited along the radial direction.
The lifting plate is provided with a guide hole matched with the guide rod, the guide rod penetrates through the guide hole and is movably connected with the lifting plate, and the length of the guide rod is greater than that of the lifting hook.
By adopting the technical scheme, the guide rods can enter the groove parts before the lifting hooks to play a role in guiding, the number of the guide rods is generally set to be three, the guide rods are uniformly distributed on the inner ring of the lifting plate, and if the guide rods can smoothly enter the groove parts, the lifting hooks are aligned with the corresponding groove parts.
Furthermore, one end of the guide rod is provided with a limiting part, the limiting part can be limited at the position of the guide hole, the other end of the guide rod penetrates through and extends out of the guide hole, and the guide rod can move along the axis direction of the guide rod under the limitation of the guide hole.
Due to the adoption of the technical scheme, the guide rod and the lifting plate are not fixed, so that the guide rod can move along the axis direction if being blocked in the process of entering the groove part, and the iron core is effectively prevented from being scratched.
Furthermore, the lifting appliance also comprises an edge supporting leg, wherein the edge supporting leg is arranged below the lifting plate, and the length of the edge supporting leg is greater than that of the lifting hook.
Due to the adoption of the technical scheme, the length of the side supporting leg is slightly longer than that of the lifting hook, and the side supporting leg is in contact with the plane for placing the iron core in the process of lifting the stator, so that a gap is formed between the lifting hook and the plane for placing the iron core, and the adjustment of the lifting hook is facilitated; the edge supporting legs are used for supporting when the stator core section hoisting device is not used.
Further, the lifting mechanism comprises a top supporting leg, wherein a length adjusting device is arranged on the top supporting leg, and the top supporting leg can be abutted to the top surface of the iron core when the lifting mechanism is assembled with the iron core.
Due to the adoption of the technical scheme, when the iron core is too high and cannot be carried away at one time, the relative height of the lifting hook and the iron core can be changed by adjusting the top supporting leg, so that the height of a gap between the limiting lug and the bottom surface of the iron core on the target layer is kept horizontal.
Correspondingly, the invention also discloses a using method of the stator core segment hoisting device, which comprises the following steps:
a positioning step: adjusting the position of the lifting plate to enable the lifting plate to be located right above the iron core, controlling the lifting plate to fall down, adjusting the lifting plate to enable the guide rod to enter the groove portion of the iron core, and adjusting the height of the lifting plate to enable the bottom end of the lifting hook to be matched with the bottom surface of the target layer iron core;
a clamping step: starting the linear actuating element, enabling the outer lifting hook and the inner lifting hook to move oppositely, enabling the outer lifting hook to enter the outer groove, enabling the inner lifting hook to enter the inner groove, and enabling the outer lifting hook and the inner lifting hook to be matched with each other to limit the iron core to the lifting mechanism;
hoisting: and controlling the lifting plate to rise to finish the lifting of the iron core.
Furthermore, in the positioning step, if the height of the iron core is less than or equal to that of the lifting hook, when the position of the lifting plate is adjusted, the supporting legs at the edge part are abutted against the platform for placing the iron core; if the height of the iron core is larger than that of the lifting hook, when the position of the lifting plate is adjusted, the top supporting leg is abutted to the top surface of the iron core, and the height of the top supporting leg is adjusted until the bottom end of the lifting hook is matched with the bottom surface of the iron core of the target layer.
Furthermore, the bottom end of the lifting hook extends horizontally to form a limit bump which can be matched with a gap on the bottom surface of the iron core, and the limit bumps of the inner lifting hook and the outer lifting hook are oppositely arranged; in the clamping step, the limiting convex block is inserted into the gap of the bottom surface of the target layer iron core under the drive of the linear execution element.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the inner lifting hook and the outer lifting hook can be driven by the linear actuating element to be clamped on the inner circle and the outer circle of the iron core in a matched mode for lifting, and the clamping process is efficient and convenient.
2. The invention is provided with a guide rod to assist the hoisting mechanism to align with the iron core.
3. The edge supporting leg can play a role in positioning when the lifting work is carried out, and can play a role in supporting when the lifting work is not carried out.
4. The length of the top supporting leg is adjustable so as to adapt to iron cores with different heights.
Drawings
FIG. 1 is an assembly view of a stator core segment lifting assembly of the present invention;
FIG. 2 is a schematic view of the internal structure of the stator core segment lifting assembly of the present invention;
FIG. 3 is a schematic structural view of the stator core segment lifting device and the core assembly of the present invention;
FIG. 4 is a partial cross-sectional view of the stator core segment hoist assembly of the present invention assembled with a core;
fig. 5 is a schematic structural diagram of the hoisting mechanism of the invention.
The labels in the figure are: 1-lifting plate, 2-lifting element, 3-guide rail, 4-lifting hook, 401-outer lifting hook, 402-inner lifting hook, 5-linear actuator, 6-guide bar, 7-long leg, 8-edge leg, 9-iron core.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The utility model provides a stator core section hoisting accessory, as shown in fig. 1-5, includes hoisting plate 1 and a plurality of hoisting mechanism, hoisting mechanism includes guide rail 3, lifting hook 4 and sharp executive component 5, guide rail 3 radially sets up along hoisting plate 1, but lifting hook 4 passes through slider sliding connection in guide rail 3, lifting hook 4 includes outer lifting hook 401 and interior lifting hook 402, sharp executive component 5 locates between outer lifting hook 401 and interior lifting hook 402 to act on outer lifting hook 401 and interior lifting hook 402, outer lifting hook 401 is close to hoisting plate 1 outer lane, interior lifting hook 402 is close to hoisting plate 1 inner circle, and is a plurality of hoisting mechanism arranges in hoisting plate 1 bottom surface along the circumference interval.
The number of hoisting mechanisms and the number of iron core punching sheets are in a multiple relation, a groove part is formed between every two adjacent iron core punching sheets, the groove part comprises an outer groove matched with an outer ring of the iron core 9 and an inner groove matched with an inner ring of the iron core 9, the outer hoisting hook 401 can be matched with the outer groove, the inner hoisting hook 402 can be matched with the inner groove, and more than two hoisting mechanisms can be matched with each other to limit the iron core 9.
The bottom of the lifting hook 4 extends to the horizontal direction to form a limiting convex block which can be matched with a gap on the bottom surface of the iron core 9, the lifting hook 4 is matched with the limiting convex block to form an L-shaped structure, and the inner lifting hook 402 and the outer lifting hook 401 are oppositely arranged. Specifically, the bottom layer of the iron core 9 is provided with a ventilation channel steel, the limiting lug can be inserted into a gap formed by the ventilation channel steel, and the limiting lug can limit the iron core 9 in the vertical direction; the inner hook 402 and the outer hook 401 cooperate with each other to restrain the core 9 in the radial direction.
Still include guide bar 6, be equipped with the guiding hole that matches with guide bar 6 on the lifting plate 1, guide bar 6 passes the guiding hole and lifting plate 1 swing joint, the length of guide bar 6 is greater than the length of lifting hook 4. Specifically, the guide rods 6 can enter the groove portions before the lifting hooks 4, so as to play a guiding role, the number of the guide rods 6 in the embodiment is three, and the guide rods are uniformly distributed on the inner ring of the lifting plate 1, and if the guide rods 6 can smoothly enter the groove portions, the lifting hooks 4 are aligned with the corresponding groove portions.
One end of the guide rod 6 is provided with a limiting part, the limiting part can be limited at the position of the guide hole, the other end of the guide rod 6 penetrates through and extends out of the guide hole, and the guide rod 6 can move along the axis direction of the guide rod under the limitation of the guide hole. Specifically, because the guide rod 6 is not fixed with the lifting plate 1, if the guide rod 6 is blocked in the process of entering the groove part, the guide rod 6 can move along the axis direction, and the iron core 9 is effectively prevented from being scratched.
The lifting plate is characterized by further comprising side supporting legs 8, wherein the side supporting legs 8 are arranged below the lifting plate 1, and the length of the side supporting legs 8 is larger than that of the lifting hook 4. Specifically, the length of the edge supporting leg 8 is slightly longer than that of the lifting hook 4, and in the process of lifting the stator, the edge supporting leg 8 contacts the plane on which the iron core 9 is placed, so that a gap exists between the lifting hook 4 and the plane on which the iron core 9 is placed, and the lifting hook 4 can be conveniently adjusted; the side supporting legs 8 are used for supporting when the stator core section hoisting device is not used.
The lifting mechanism is characterized by further comprising top supporting legs 7, length adjusting devices are arranged on the top supporting legs 7, and the top supporting legs 7 can abut against the top surfaces of the iron cores 9 when the lifting mechanism is assembled with the iron cores 9. Specifically, when the height of the iron core 9 is too high to be removed at one time, the relative height between the lifting hook 4 and the iron core 9 can be changed by adjusting the top support leg 7, so that the height of the gap between the limiting bump and the bottom surface of the target layer iron core 9 is kept horizontal.
The top surface of the lifting plate 1 is provided with a plurality of lifting elements 2, and lifting rigging can be assembled on the lifting elements 2. The position of the lifting plate 1 is controlled by pulling the hoist rigging.
Example 2
A method for using a stator core segment lifting device, as shown in fig. 1-5, comprises the following steps: a positioning step: adjusting the position of the lifting plate 1 to enable the lifting plate 1 to be positioned right above the iron core 9, controlling the lifting plate 1 to fall, adjusting the lifting plate 1 to enable the guide rod 6 to enter the groove part of the iron core 9, and adjusting the height of the lifting plate 1 to enable the bottom end of the lifting hook 4 to be matched with the bottom surface of the iron core 9 of the target layer;
a clamping step: starting the linear actuator 5, enabling the outer lifting hook 401 and the inner lifting hook 402 to move oppositely, enabling the outer lifting hook 401 to enter the outer groove, enabling the inner lifting hook 402 to enter the inner groove, and enabling the outer lifting hook 401 and the inner lifting hook 402 to be matched with each other to limit the iron core 9 to the lifting mechanism;
hoisting: and controlling the lifting plate 1 to ascend to finish the lifting of the iron core 9.
In the positioning step, if the height of the iron core 9 is less than or equal to that of the lifting hook 4, when the position of the lifting plate 1 is adjusted, the side supporting legs 8 are abutted against a platform for placing the iron core 9; if the height of the iron core 9 is larger than that of the lifting hook 4, when the position of the lifting plate 1 is adjusted, the top supporting leg 7 is abutted to the top surface of the iron core 9, and the height of the top supporting leg 7 is adjusted until the bottom end of the lifting hook 4 is matched with the bottom surface of the target layer iron core 9.
The bottom end of the lifting hook 4 extends horizontally to form a limit bump which can be matched with a gap on the bottom surface of the iron core 9, and the limit bumps of the inner lifting hook 402 and the outer lifting hook 401 are oppositely arranged; in the clamping step, the limit bump is driven by the linear actuator 5 to be inserted into the gap on the bottom surface of the target layer iron core 9.
The linear actuator 5 may be activated to move the outer hook 401 and the inner hook 402 in opposite directions to release the restriction of the core.
Preferably, the linear actuator 5 may be a pneumatic or hydraulic cylinder.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to aid in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the present product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a stator core section hoisting accessory, includes hoisting plate and a plurality of hoisting mechanism, its characterized in that, hoisting mechanism includes the guide rail, lifts by crane and colludes and sharp executive component, the guide rail is along lifting by crane the radial setting of board, but the lifting by crane passes through slider sliding connection in guide rail, the lifting by crane includes outer lifting by crane and interior lifting by crane, sharp executive component locates between outer lifting by crane and the interior lifting by crane to act on outer lifting by crane and interior lifting by crane, outer lifting by crane is close to the hoisting plate outer lane, interior lifting by crane is close to the hoisting plate inner circle, and is a plurality of hoisting mechanism arranges in the hoisting plate bottom surface along the circumference interval.
2. The stator core segment lifting device according to claim 1, wherein the number of the lifting mechanisms is multiple to the number of the core segments, a groove portion is formed between two adjacent core segments, the groove portion comprises an outer groove matched with an outer ring of the core and an inner groove matched with an inner ring of the core, the outer lifting hook can be matched with the outer groove, the inner lifting hook can be matched with the inner groove, and more than two lifting mechanisms can be matched with each other to limit the core.
3. The stator core segment lifting device according to claim 2, wherein the bottom end of the lifting hook extends horizontally to form a limit bump which can be matched with a gap on the bottom surface of the core, and the limit bumps of the inner lifting hook and the outer lifting hook are arranged oppositely.
4. The stator core segment lifting device of claim 1, further comprising a guide rod, wherein a guide hole matched with the guide rod is formed in the lifting plate, the guide rod penetrates through the guide hole and is movably connected with the lifting plate, and the length of the guide rod is greater than that of the lifting hook.
5. The stator core segment lifting device according to claim 4, wherein one end of the guide rod is provided with a stopper portion which is restricted by the guide hole, and the other end of the guide rod penetrates through and protrudes from the guide hole, and the guide rod is movable in the axial direction thereof under the restriction of the guide hole.
6. The stator core segment lifting device of claim 1, further comprising an edge leg disposed below the lifting plate, the edge leg having a length greater than a length of the lifting hook.
7. The stator core segment lifting device of claim 1, further comprising a top leg, wherein the top leg is provided with a length adjustment device, and the top leg can abut against the top surface of the iron core when the lifting mechanism is assembled with the iron core.
8. The application method of the stator core segment hoisting device is characterized by comprising the following steps:
a positioning step: adjusting the position of the lifting plate to enable the lifting plate to be located right above the iron core, controlling the lifting plate to fall down, adjusting the lifting plate to enable the guide rod to enter the groove portion of the iron core, and adjusting the height of the lifting plate to enable the bottom end of the lifting hook to be matched with the bottom surface of the target layer iron core;
a clamping step: starting the linear actuating element, enabling the outer lifting hook and the inner lifting hook to move oppositely, enabling the outer lifting hook to enter the outer groove, enabling the inner lifting hook to enter the inner groove, and enabling the outer lifting hook and the inner lifting hook to be matched with each other to limit the iron core to the lifting mechanism;
hoisting: and controlling the lifting plate to rise to finish the lifting of the iron core.
9. The use method of the stator core segment hoisting device according to claim 8, wherein in the positioning step, if the height of the iron core is less than or equal to that of the hoisting hook, the side supporting legs are abutted against a platform on which the iron core is placed when the position of the hoisting plate is adjusted; if the height of the iron core is larger than that of the lifting hook, when the position of the lifting plate is adjusted, the top supporting leg is abutted against the top surface of the iron core, and the height of the top supporting leg is adjusted until the bottom end of the lifting hook is matched with the bottom surface of the iron core of the target layer.
10. The use method of the stator core segment hoisting device according to claim 8, wherein the bottom end of the lifting hook extends horizontally with a limit bump which can match with the gap of the bottom surface of the iron core, and the limit bumps of the inner lifting hook and the outer lifting hook are oppositely arranged; in the clamping step, the limiting convex block is inserted into the gap of the bottom surface of the target layer iron core under the drive of the linear execution element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210853652.4A CN115231432A (en) | 2022-07-11 | 2022-07-11 | Stator core segment hoisting device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210853652.4A CN115231432A (en) | 2022-07-11 | 2022-07-11 | Stator core segment hoisting device and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115231432A true CN115231432A (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210853652.4A Pending CN115231432A (en) | 2022-07-11 | 2022-07-11 | Stator core segment hoisting device and using method thereof |
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| CN (1) | CN115231432A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116692649A (en) * | 2023-08-08 | 2023-09-05 | 苏州百狮腾电气有限公司 | Stator core hoisting tool |
-
2022
- 2022-07-11 CN CN202210853652.4A patent/CN115231432A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116692649A (en) * | 2023-08-08 | 2023-09-05 | 苏州百狮腾电气有限公司 | Stator core hoisting tool |
| CN116692649B (en) * | 2023-08-08 | 2023-09-29 | 苏州百狮腾电气有限公司 | Stator core hoisting tool |
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