CN214350636U - Stator and rotor hot jacket device - Google Patents
Stator and rotor hot jacket device Download PDFInfo
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- CN214350636U CN214350636U CN202023290347.4U CN202023290347U CN214350636U CN 214350636 U CN214350636 U CN 214350636U CN 202023290347 U CN202023290347 U CN 202023290347U CN 214350636 U CN214350636 U CN 214350636U
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Abstract
The utility model relates to a stator and rotor shrink fit device, it belongs to stator and rotor shrink fit field. The utility model discloses a stator and rotor hot jacket press-fitting mechanism, a visual angle positioning mechanism, a feeding mechanism, a moving mechanism, a blanking mechanism, a manipulator, a height detection mechanism and a lower rack, wherein the stator and rotor hot jacket press-fitting mechanism, the visual angle positioning mechanism, the feeding mechanism, the moving mechanism, the blanking mechanism, the manipulator and the height detection mechanism are all arranged on the lower rack; the visual angle positioning mechanism is matched with the feeding mechanism and is positioned above the feeding mechanism; the stator and rotor hot jacket press-fitting mechanism takes a part through a manipulator, the manipulator is arranged on the lower rack, and the stator and rotor hot jacket press-fitting mechanism moves left and right through a moving mechanism; the height detection mechanism is arranged on one side of the moving mechanism. The utility model has the advantages of reasonable design, safe and reliable, work efficiency is high, convenient operation, low in labor strength, degree of automation is high, satisfies the user demand.
Description
Technical Field
The utility model relates to a heat jacket device especially relates to a stator rotor heat jacket device, and it belongs to stator rotor heat jacket field.
Background
At present, the press fitting of the motor stator and the rotor is carried out manually, so that the labor intensity is high, the working efficiency is not high, the press fitting precision is not high, unqualified press fitting products are easy to occur, and subsequent potential safety hazards are caused.
The existing height detection mechanism can only detect one action of angle and length independently and detect one by one, so that the labor intensity is high, the automation degree is low, a plurality of stations detect the action, the occupied space is large, the integral cost is increased, and great inconvenience is brought to people.
Therefore, it is particularly necessary to provide a stator and rotor thermal sleeve device with reasonable structural design, safety, reliability, high working efficiency, convenient operation, low labor intensity and high degree of automation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is reasonable, safe and reliable, and work efficiency is high, convenient operation, low in labor strength, the stator rotor heat jacket device that degree of automation is high.
The utility model provides a technical scheme that above-mentioned problem adopted is: this stator rotor heat jacket device, including feed mechanism, moving mechanism, unloading mechanism, manipulator, height detection mechanism and lower rack, its characterized in that: the stator and rotor shrink fit press-fitting mechanism, the visual angle positioning mechanism, the feeding mechanism, the moving mechanism, the discharging mechanism, the manipulator and the height detection mechanism are all arranged on the lower rack; the visual angle positioning mechanism is matched with the feeding mechanism and is positioned above the feeding mechanism; the stator and rotor hot jacket press-fitting mechanism takes a part through a manipulator, the manipulator is arranged on the lower rack, and the stator and rotor hot jacket press-fitting mechanism moves left and right through a moving mechanism; the height detection mechanism is arranged on one side of the moving mechanism; the stator and rotor hot jacket press-fitting mechanism comprises a guide mechanism, a transfer mechanism, a press-fitting assembly and a hot jacket assembly, wherein the guide mechanism is connected with the transfer mechanism; the press fitting assembly comprises a servo press, a press head piece, a press block, a guide pillar I and a press plate, the press plate is connected with the transfer mechanism through the guide pillar I, the servo press is arranged on the press plate, the press head piece is connected with the servo press, the press block is matched with the press head piece, and the rotor is arranged on the press block; the heating coil is sleeved on the outer ring of the stator when the servo electric cylinder acts, and the heating host acts up and down through the servo electric cylinder; visual angle positioning mechanism includes that frame, vision electricity jar two, vision guide rail mounting panel, vision subassembly, vision cylinder and many sets of claws get the subassembly, and this vision guide rail is on vision guide rail mounting panel, and vision guide rail mounting panel is fixed in the frame, and many sets of claws get the subassembly and all install in the frame, set up the vision cylinder in the vision subassembly, and the subassembly matching is got with the claw to the vision subassembly.
Preferably, guiding mechanism includes guide bar, lift cylinder, stand and cylinder board, and this lift cylinder dress is on the cylinder board, and guide bar, stand all adorn on the cylinder board, and the ascending action of lift cylinder drives the guide bar and rises.
Preferably, move and carry mechanism including moving and carrying cylinder, tray, moving and carrying the guide rail, moving and carrying the mounting panel and moving and carrying the fixed plate, the stator is established on the tray, moves and carries the cylinder and is connected with moving and carrying the fixed plate, moves and carries the guide rail setting and move and carry the mounting panel on, the tray activity sets up on moving and carrying the guide rail.
As preferred, the subassembly is got to the claw includes vision electricity jar one, vision servo motor, vision speed reducer, mounting panel, clamping jaw cylinder and clamping jaw, and this vision electricity jar one, vision servo motor and vision speed reducer are fixed on the mounting panel, and vision servo motor matches with the vision speed reducer, and mounting panel, vision cylinder dress are in the frame respectively, and the vision speed reducer links to each other with the clamping jaw cylinder, and the clamping jaw cylinder links to each other with the clamping jaw.
Preferably, the pressure equipment subassembly still includes pressure sensor, and this pressure sensor sets up on the pressure head spare.
Preferably, the subassembly is got to the claw is two sets, and this two sets of claws are got the subassembly interval and are set up in the frame.
Preferably, the utility model also comprises a protective cover; the protective cover is arranged outside the stator and rotor hot jacket press-fitting mechanism, the visual angle positioning mechanism, the feeding mechanism, the moving mechanism, the discharging mechanism, the manipulator and the height detection mechanism.
As preferred, the utility model discloses still include a plurality of universal wheels, the bottom equipartition of lower rack sets up a plurality of universal wheels.
Compared with the prior art, the utility model, have following advantage and effect: the whole structure is reasonable in design, safe and reliable, high in working efficiency, convenient to operate, low in labor intensity and high in automation degree; the visual guide rail is arranged on the visual guide rail mounting plate, the visual guide rail mounting plate is fixed on the rack, the plurality of sets of claw-taking assemblies are all mounted on the rack, a visual cylinder is arranged in the visual assembly, and the visual assembly is matched with the claw-taking assemblies; through stator rotor shrink fit pressure equipment mechanism for whole effectual.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the embodiment of the present invention after the protective cover is removed.
Fig. 3 is a schematic structural view of a stator and rotor shrink fit press-fitting mechanism according to an embodiment of the present invention.
Fig. 4 is a partially enlarged structural view of the upper half of fig. 3.
Fig. 5 is a partial enlarged structural view of the corresponding positions of the stator and the rotor in fig. 3.
Fig. 6 is a schematic structural view of a visual angle positioning mechanism according to an embodiment of the present invention.
In the figure: the device comprises a stator and rotor hot jacket press-fitting mechanism 1, a visual angle positioning mechanism 2, a feeding mechanism 3, a moving mechanism 4, a blanking mechanism 5, a manipulator 6, a height detection mechanism 7, a lower rack 8, universal wheels 9 and a protective cover 10; the stator a, the rotor B,
stator rotor shrink fit press-fit mechanism 1: the device comprises a guide mechanism 1-1, a transfer mechanism 1-2, a press-fitting assembly 1-3, a hot jacket assembly 1-4 and an air nozzle assembly 1-5;
guide mechanism 1-1: 1-11 parts of a guide rod, 1-12 parts of a lifting cylinder, 1-13 parts of an upright post and 1-14 parts of a cylinder plate;
transfer mechanism 1-2: a transferring cylinder 1-21, a tray 1-22, a transferring guide rail 1-23, a transferring mounting plate 1-24 and a transferring fixing plate 1-25;
1-3 of press-fitting component: 1-31 parts of pressure sensor, 1-32 parts of linear bearing I, 1-33 parts of servo press, 1-34 parts of press head, 1-35 parts of press block, 1-36 parts of guide post I and 1-37 parts of press plate;
thermal jacket assembly 1-4: 1-41 parts of heating coils, 1-42 parts of heating main machines, 1-43 parts of servo electric cylinders, 1-44 parts of linear bearings, 1-45 parts of pressing plates, 1-46 parts of electric cylinder plates, 1-47 parts of guide columns, 1-48 parts of movable plates and 1-49 parts of connecting rods;
visual angle positioning mechanism 2: the device comprises 2-0 parts of a claw component, 2-7 parts of a reinforcing rib, 2-8 parts of a vision component, 2-9 parts of a rack, 2-10 parts of a vision cylinder, 2-11 parts of a vision electric cylinder II, 2-12 parts of a vision guide rail and 2-13 parts of a vision guide rail mounting plate;
claw taking component 2-0: the vision electric cylinder I2-1, the vision servo motor 2-2, the vision speed reducer 2-3, the mounting plate 2-4, the clamping jaw air cylinder 2-5 and the clamping jaw 2-6.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples
Referring to fig. 1 to 6, the stator and rotor shrink fit device of the present embodiment includes a stator and rotor shrink fit press-fitting mechanism 1, a visual angle positioning mechanism 2, a feeding mechanism 3, a moving mechanism 4, a blanking mechanism 5, a manipulator 6, a height detection mechanism 7, and a lower rack 8, where the stator and rotor shrink fit press-fitting mechanism 1, the visual angle positioning mechanism 2, the feeding mechanism 3, the moving mechanism 4, the blanking mechanism 5, the manipulator 6, and the height detection mechanism 7 are all mounted on the lower rack 8;
the vision angle positioning mechanism 2 of the present embodiment is matched with the feeding mechanism 3, and the vision angle positioning mechanism 2 is located above the feeding mechanism 3.
In the embodiment, the stator and rotor hot jacket press-fitting mechanism 1 takes a part through the manipulator 6, the manipulator 6 is arranged on the lower rack 8, and the stator and rotor hot jacket press-fitting mechanism 1 moves left and right through the moving mechanism 4; the height detection mechanism 7 is arranged on one side of the moving mechanism 4 and is matched with each other to detect the press-fitting effect.
The stator and rotor hot jacket press-fitting mechanism 1 comprises a guide mechanism 1-1, a transfer mechanism 1-2, a press-fitting assembly 1-3 and a hot jacket assembly 1-4, wherein the guide mechanism 1-1 is connected with the transfer mechanism 1-2, the press-fitting assembly 1-3 is connected with the hot jacket assembly 1-4, and the press-fitting assembly 1-3 is positioned above the transfer mechanism 1-2.
The guide mechanism 1-1 of the embodiment comprises a guide rod 1-11, a lifting cylinder 1-12, an upright post 1-13 and a cylinder plate 1-14, wherein the lifting cylinder 1-12 is arranged on the cylinder plate 1-14, the guide rod 1-11 and the upright post 1-13 are both arranged on the cylinder plate 1-14, and the lifting cylinder 1-12 moves upwards to drive the guide rod 1-11 to move upwards.
The transferring mechanism 1-2 of the embodiment comprises a transferring cylinder 1-21, a tray 1-22, a transferring guide rail 1-23, a transferring mounting plate 1-24 and a transferring fixing plate 1-25, wherein a stator A is arranged on the tray 1-22, the transferring cylinder 1-21 is connected with the transferring fixing plate 1-25, the transferring guide rail 1-23 is arranged on the transferring mounting plate 1-24, and the tray 1-22 is movably arranged on the transferring guide rail 1-23.
The press-fitting assembly 1-3 comprises a pressure sensor 1-31, a linear bearing I1-32, a servo press 1-33, a pressure head piece 1-34, a pressure block 1-35, a guide post I1-36 and a press plate 1-37, wherein the press plate 1-37 is connected with a transfer mechanism 1-2 through the guide post I1-36, the linear bearing I1-32 is arranged on the guide post I1-36, the servo press 1-33 is installed on the press plate 1-37, the pressure head piece 1-34 is connected with the servo press 1-33, the pressure sensor 1-31 is arranged on the pressure head piece 1-34, the pressure block 1-35 is matched with the pressure head piece 1-34, and a rotor B is arranged on the pressure block 1-35.
The hot jacket assembly 1-4 of the embodiment comprises a heating coil 1-41, a heating main machine 1-42, a servo electric cylinder 1-43, a linear bearing II 1-44, a pressure plate 1-45, an electric cylinder plate 1-46, a guide post II 1-47, a movable plate 1-48 and a connecting rod 1-49, the servo electric cylinder 1-43 is fixed on an electric cylinder plate 1-46, a guide post II 1-47 is connected with the electric cylinder plate 1-46, a linear bearing II 1-44 is arranged on the guide post II 1-47, a pressure plate 1-45 is connected with a movable plate 1-48 through a connecting rod 1-49, the guide post II 1-47 is connected with the movable plate 1-48, when the servo electric cylinder 1-43 acts, the heating coil 1-41 is sleeved on the outer ring of the stator A, and the heating main machine 1-42 acts up and down through the servo electric cylinder 1-43.
In the embodiment, the number of the guide posts I1-36 is three, the number of the guide posts II 1-47 is four, and the guide posts I1-36 and the guide posts II 1-47 are used for guiding the up-and-down movement.
The working process of the stator and rotor shrink fit press-fitting mechanism 1 of the embodiment is as follows: the trays 1-22 in the transfer mechanism 1-2 are positioned at the initial positions, and the stator A is placed into the trays 1-22 through a manipulator; the trays 1-22 move through the transfer cylinder 1-21, the servo electric cylinder 1-43 descends to drive the pressing plate 1-45 to press into the upper end face of the stator A, then the heating coil 1-41 is sleeved on the stator A, the heating main machine 1-42 works, and the stator A is heated; the manipulator puts the rotor B on the pressing blocks 1-35, the lifting cylinders 1-12 drive the guide rods 1-11 to ascend and contact with the lower end face of the rotor B, the servo press 1-33 acts, the rotor B is pressed into the stator A through the pressure head pieces 1-34, the rotor B is cooled through the air nozzle pieces 1-5, resetting is completed, and the operation is finished.
The visual angle positioning mechanism 2 comprises a rack 2-9, a second visual electric cylinder 2-11, a visual guide rail 2-12, a visual guide rail mounting plate 2-13, a visual assembly 2-8, a visual air cylinder 2-10 and a multi-set claw assembly 2-0, wherein the visual guide rail 2-12 is arranged on the visual guide rail mounting plate 2-13, and the visual guide rail mounting plate 2-13 is fixed on the rack 2-9.
In the embodiment, multiple sets of claw taking assemblies 2-0 are all arranged on a rack 2-9, a vision cylinder 2-10 is arranged in a vision assembly 2-8, the vision assembly 2-8 is matched with the claw taking assembly 2-0, and the vision assembly 2-8 is positioned below the claw taking assembly 2-0.
The claw taking assembly 2-0 comprises a first visual electric cylinder 2-1, a first visual servo motor 2-2, a first visual speed reducer 2-3, a mounting plate 2-4, a clamping jaw air cylinder 2-5 and a clamping jaw 2-6, wherein the first visual electric cylinder 2-1, the first visual servo motor 2-2 and the first visual speed reducer 2-3 are fixed on the mounting plate 2-4, the first visual servo motor 2-2 is matched with the first visual speed reducer 2-3, the mounting plate 2-4 and the visual air cylinder 2-10 are respectively arranged on a rack 2-9, the first visual speed reducer 2-3 is connected with the clamping jaw air cylinder 2-5, and the clamping jaw air cylinder 2-5 is connected with the clamping jaw 2-6.
In the embodiment, the two sets of claw assemblies 2-0 are arranged, and the two sets of claw assemblies 2-0 are arranged on the rack 2-9 at intervals.
The reinforcing ribs 2-7 are arranged on the machine frame 2-9, and the reinforcing ribs 2-7 enable the whole machine frame 2-9 to be more stable and reliable.
The visual components 2-8 of the embodiment are arranged on the lower rack of the stator and rotor thermal sleeve device.
The working process of the visual angle positioning mechanism of the embodiment is as follows: the vision air cylinder 2-10 rises to the end position to take a picture; the vision servo motor 2-2 rotates the stator A by a certain angle, the vision cylinder 2-10 descends, the vision cylinder 2-10 moves to a set position in a transverse mode, the vision component 2-8 takes a picture again, the vision servo motor 2-2 rotates the rotor B by a certain angle, the stator A and the rotor B are taken away through the manipulator, and the work is finished.
The working process of the stator and rotor hot jacket device of the embodiment is as follows: manually placing the stator and the rotor on the feeding mechanism 3, taking the stator and the rotor through the visual angle positioning mechanism 2, and acting, wherein the position is detected by a camera in the visual angle positioning mechanism 2; the stator is placed on a tray of a transplanting mechanism on the stator and rotor hot-sleeve press-fitting mechanism 1, the rotor is placed into the mechanical arm 6, the mechanical arm 6 places the rotor on the stator and rotor hot-sleeve press-fitting mechanism 1, press fitting is carried out again, the moving mechanism 4 moves, the height detection mechanism 7 detects the press fitting effect, and the blanking mechanism 5 carries out blanking to complete the whole working process.
And will be apparent to those skilled in the art from the foregoing description.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a stator rotor thermal sleeve device, includes feed mechanism (3), moving mechanism (4), unloading mechanism (5), manipulator (6), height detection mechanism (7) and lower rack (8), its characterized in that: the stator and rotor hot jacket press-fitting device comprises a stator and rotor hot jacket press-fitting mechanism (1) and a visual angle positioning mechanism (2), wherein the stator and rotor hot jacket press-fitting mechanism (1), the visual angle positioning mechanism (2), a feeding mechanism (3), a moving mechanism (4), a discharging mechanism (5), a manipulator (6) and a height detection mechanism (7) are all arranged on a lower rack (8); the visual angle positioning mechanism (2) is matched with the feeding mechanism (3); the stator and rotor hot jacket press-fitting mechanism (1) takes a part through a manipulator (6), the manipulator (6) is arranged on a lower rack (8), and the stator and rotor hot jacket press-fitting mechanism (1) moves left and right through a moving mechanism (4); the height detection mechanism (7) is arranged on one side of the moving mechanism (4);
the stator and rotor hot jacket press-fitting mechanism (1) comprises a guide mechanism (1-1), a transfer mechanism (1-2), a press-fitting assembly (1-3) and a hot jacket assembly (1-4), wherein the guide mechanism (1-1) is connected with the transfer mechanism (1-2), the press-fitting assembly (1-3) is connected with the hot jacket assembly (1-4), and the press-fitting assembly (1-3) is positioned above the transfer mechanism (1-2);
the vision angle positioning mechanism (2) comprises a rack (2-9), a vision electric cylinder II (2-11), a vision guide rail (2-12), a vision guide rail mounting plate (2-13), a vision assembly (2-8), a vision cylinder (2-10) and a plurality of sets of claw taking assemblies (2-0), wherein the vision guide rail (2-12) is arranged on the vision guide rail mounting plate (2-13), the vision guide rail mounting plate (2-13) is fixed on the rack (2-9), the plurality of sets of claw taking assemblies (2-0) are all mounted on the rack (2-9), the vision cylinder (2-10) is arranged in the vision assembly (2-8), and the vision assembly (2-8) is matched with the claw taking assemblies (2-0).
2. The stator-rotor shrink fit apparatus of claim 1, wherein: the guide mechanism (1-1) comprises a guide rod (1-11), a lifting cylinder (1-12), an upright post (1-13) and a cylinder plate (1-14), the lifting cylinder (1-12) is arranged on the cylinder plate (1-14), the guide rod (1-11) and the upright post (1-13) are arranged on the cylinder plate (1-14), and the lifting cylinder (1-12) moves upwards to drive the guide rod (1-11) to ascend.
3. The stator-rotor shrink fit apparatus of claim 1, wherein: the transferring mechanism (1-2) comprises a transferring cylinder (1-21), a tray (1-22), a transferring guide rail (1-23), a transferring mounting plate (1-24) and a transferring fixing plate (1-25), wherein a stator (A) is arranged on the tray (1-22), the transferring cylinder (1-21) is connected with the transferring fixing plate (1-25), the transferring guide rail (1-23) is arranged on the transferring mounting plate (1-24), and the tray (1-22) is movably arranged on the transferring guide rail (1-23).
4. The stator-rotor shrink fit apparatus of claim 1, wherein: the press fitting assembly (1-3) comprises a servo press (1-33), a press head piece (1-34), a press block (1-35), a guide post I (1-36) and a press plate (1-37), the press plate (1-37) is connected with a transfer mechanism (1-2) through the guide post I (1-36), the servo press (1-33) is installed on the press plate (1-37), the press head piece (1-34) is connected with the servo press (1-33), the press block (1-35) is matched with the press head piece (1-34), and a rotor (B) is arranged on the press block (1-35).
5. The stator-rotor shrink fit apparatus of claim 1, wherein: the claw taking component (2-0) comprises a first visual electric cylinder (2-1), a visual servo motor (2-2), a visual speed reducer (2-3), a mounting plate (2-4), a clamping jaw air cylinder (2-5) and a clamping jaw (2-6), the vision electric cylinder I (2-1), the vision servo motor (2-2) and the vision speed reducer (2-3) are fixed on a mounting plate (2-4), the vision servo motor (2-2) is matched with the vision speed reducer (2-3), the mounting plate (2-4) and the vision air cylinder (2-10) are respectively arranged on a rack (2-9), the vision speed reducer (2-3) is connected with a clamping jaw air cylinder (2-5), and the clamping jaw air cylinder (2-5) is connected with a clamping jaw (2-6).
6. The stator-rotor shrink fit apparatus of claim 1, wherein: the hot jacket assembly (1-4) comprises a heating coil (1-41), a heating main machine (1-42), a servo electric cylinder (1-43), a pressure plate (1-45), an electric cylinder plate (1-46), a guide post II (1-47), a movable plate (1-48) and a connecting rod (1-49), the servo electric cylinder (1-43) is fixed on an electric cylinder plate (1-46), a second guide post (1-47) is connected with the electric cylinder plate (1-46), a pressure plate (1-45) is connected with a movable plate (1-48) through a connecting rod (1-49), the second guide post (1-47) is connected with the movable plate (1-48), when the servo electric cylinder (1-43) acts, the heating coil (1-41) is sleeved on the outer ring of the stator (A), and the heating main machine (1-42) acts up and down through the servo electric cylinder (1-43).
7. The stator-rotor shrink fit apparatus of claim 4, wherein: the press fitting assembly (1-3) further comprises a pressure sensor (1-31), and the pressure sensor (1-31) is arranged on the press fitting piece (1-34).
8. The stator-rotor shrink fit apparatus of claim 1, wherein: the two sets of claw components (2-0) are arranged on the rack (2-9) at intervals.
9. The stator-rotor shrink fit apparatus of claim 1, wherein: the heat jacket device also comprises a protective cover (10); the protective cover (10) is arranged outside the stator and rotor hot sleeve press-fitting mechanism (1), the visual angle positioning mechanism (2), the feeding mechanism (3), the moving mechanism (4), the discharging mechanism (5), the mechanical arm (6) and the height detection mechanism (7).
10. The stator-rotor shrink fit apparatus of claim 1, wherein: the hot jacket device also comprises a plurality of universal wheels (9), and a plurality of universal wheels (9) are uniformly distributed at the bottom of the lower rack (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023290347.4U CN214350636U (en) | 2020-12-30 | 2020-12-30 | Stator and rotor hot jacket device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023290347.4U CN214350636U (en) | 2020-12-30 | 2020-12-30 | Stator and rotor hot jacket device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214350636U true CN214350636U (en) | 2021-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023290347.4U Active CN214350636U (en) | 2020-12-30 | 2020-12-30 | Stator and rotor hot jacket device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214350636U (en) |
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2020
- 2020-12-30 CN CN202023290347.4U patent/CN214350636U/en active Active
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