CN220022552U - Collector ring mounting device - Google Patents
Collector ring mounting device Download PDFInfo
- Publication number
- CN220022552U CN220022552U CN202321671105.0U CN202321671105U CN220022552U CN 220022552 U CN220022552 U CN 220022552U CN 202321671105 U CN202321671105 U CN 202321671105U CN 220022552 U CN220022552 U CN 220022552U
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- China
- Prior art keywords
- abutting
- abutting piece
- mounting
- slip ring
- collecting ring
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- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 26
- 230000009471 action Effects 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Wind Motors (AREA)
Abstract
The utility model relates to a collector ring mounting device, which is used for mounting a collector ring of a wind driven generator and comprises an abutting structure and a driving structure, wherein the abutting structure comprises a first abutting piece and a second abutting piece, the first abutting piece is used for being in contact with one end face of the collector ring, and the second abutting piece is used for being in contact with a rear end cover of a slip ring chamber of the wind driven generator; the driving structure is used for driving the first abutting piece to reciprocate along the axial direction of the collecting ring relative to the second abutting piece; the first abutment is configured as a ring. When the collecting ring is installed, an operator operates the driving structure to enable the driving structure to push the first abutting part to move towards the direction of the rotating shaft of the wind driven generator, the collecting ring translates towards the direction of the rotating shaft of the wind driven generator under the abutting action of the first abutting part, and therefore the installation of the collecting ring is achieved, the situation that in the prior art, the operator needs to use a rubber hammer or an iron hammer to strike the collecting ring is effectively avoided, the installation of the collecting ring is complex, and meanwhile the collecting ring is easy to damage.
Description
Technical Field
The disclosure relates to the technical field of collector ring installation of wind driven generators, in particular to a collector ring installation device.
Background
The wind driven generator is power equipment which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, and the collecting ring is an important part on the wind driven generator, so that the running condition of the collecting ring directly influences the running safety of the wind driven generator.
In the prior art, because the collecting ring is in interference fit with the rotating shaft of the wind driven generator, when the collecting ring of the wind driven generator is installed, operators need to sleeve the collecting ring on the rotating shaft of the wind driven generator, and repeatedly strike the periphery of the collecting ring by using a rubber hammer, the installation of the collecting ring is time-consuming and labor-consuming, and the efficiency is lower. In addition, when an operator uses a rubber hammer to knock the collecting ring, there is a difference in the artificial knocking, and the collecting ring is easily damaged by external knocking.
Disclosure of Invention
The present disclosure provides a slip ring mounting device to solve at least some technical problems in the related art.
In order to achieve the above object, the present disclosure provides a slip ring mounting device for mounting a slip ring of a wind power generator, including an abutting structure including a first abutting piece for contacting one end face of the slip ring and a second abutting piece for contacting a rear end cover of a slip ring chamber of the wind power generator, and a driving structure; the driving structure is used for driving the first abutting piece to reciprocate along the radial direction of the collecting ring relative to the second abutting piece; the first abutment is configured as a ring.
Optionally, the first abutment is detachably connected to the driving structure.
Optionally, the slip ring mounting device further includes a first bolt and a first mounting bracket connected to the driving structure; the first mounting bracket is provided with a first threaded hole, the first abutting piece is provided with a first mounting hole, and the first bolt penetrates through the first mounting hole and is in threaded connection with the first threaded hole.
Optionally, the second abutment is detachably connected to the driving structure.
Optionally, the slip ring mounting device further includes a second bolt and a second mounting bracket connected to the driving structure; the second mounting bracket is provided with a second threaded hole, the second abutting piece is provided with a second mounting hole, and the second bolt penetrates through the second mounting hole and is in threaded connection with the second threaded hole.
Optionally, the first abutting piece comprises an abutting plate, a mounting plate and a connecting plate, wherein the abutting plate and the mounting plate are oppositely arranged, the connecting plate is used for being in contact with the collecting ring, the mounting plate is used for being connected with the first mounting bracket, and the connecting plate is in a cylindrical shape; the support plate is provided with an avoidance hole, and the avoidance hole is used for avoiding a rotating shaft of the wind driven generator.
Optionally, the slip ring mounting device further includes an elastic spacer, and the elastic spacer is disposed on the abutment plate.
Optionally, the elastic gasket is configured as an annular gasket, and an annular groove is formed in the outer peripheral wall of the annular gasket and is spliced with the inner periphery of the abutting plate.
Optionally, the driving structure comprises a supporting arm, a screw rod, a base and a saddle; the support arms comprise upper support arms and lower support arms, first ends of the two upper support arms are respectively and rotatably connected with the saddle, first ends of the two lower support arms are respectively and rotatably connected with the base, second ends of the two upper support arms are respectively hinged with corresponding second ends of the lower support arms, and the upper support arms are sleeved on the screw rod, so that the support arms and the screw rod are constructed into a screw rod nut mechanism.
Optionally, the driving structure further comprises a wrench engaging portion for being provided on the screw and configured to be engageable with a torque wrench.
Through the technical scheme, as the collecting ring is in interference fit with the rotating shaft of the wind driven generator, when the collecting ring is installed, the rotating shaft of the wind driven generator can be locked, the collecting ring is moved to enable the flat key groove on the collecting ring to be aligned with the flat key on the rotating shaft of the wind driven generator, and the collecting ring is partially pushed into the rotating shaft of the wind driven generator, so that preliminary positioning of the installation of the collecting ring is realized. After the primary positioning of the collecting ring installation is finished, the collecting ring installation device is fixed, a first abutting piece on the collecting ring installation device abuts against the collecting ring, a second abutting piece abuts against a rear end cover of a slip ring chamber of the wind driven generator, the first abutting piece is pushed to move towards the direction of a rotating shaft of the wind driven generator through a driving structure, and the collecting ring can translate towards the direction of the rotating shaft of the wind driven generator under the pushing action of the first abutting piece, so that the collecting ring is installed. Need not to use the rubber hammer to strike repeatedly the collecting ring, use the rubber hammer to strike repeatedly the collecting ring in the prior art and make the collecting ring install in wind-driven generator's epaxial technical scheme compare, the collecting ring installation device in-process that this disclosure provided installs the collecting ring has saved and has beaten repeatedly, and the installation is comparatively convenient, has effectively avoided the collecting ring to strike the condition that damages because of the rubber hammer in the installation simultaneously, has improved the life of collecting ring.
In addition, because the first abutting piece is constructed to the annular piece, when the collecting ring moves towards the rotating shaft direction of the wind driven generator under the abutting action of the first abutting piece, interference can not be generated between the first abutting piece and the rotating shaft of the wind driven generator, the rotating shaft of the wind driven generator can partially penetrate through the first abutting piece to enable the first abutting piece to be always abutted against the collecting ring, and the situation that the collecting ring cannot be abutted against the collecting ring and cannot be installed in place due to interference between the first abutting piece and the rotating shaft of the wind driven generator is effectively avoided when the collecting ring is installed.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
fig. 1 is a schematic view of a slip ring mounting device according to an exemplary embodiment of the present disclosure.
Fig. 2 is a cross-sectional view of a slip ring mounting device provided by an exemplary embodiment of the present disclosure.
Description of the reference numerals
1-collecting rings; 2-a rear end cover; 3-rotating shaft; 4-abutting structure; 41-a first abutment; 411-abutting plate; 4111-avoidance holes; 412-a mounting plate; 4121-a first mounting hole; 413-a connection plate; 42-a second abutment; 421-second mounting holes; a 5-drive structure; 51-a support arm; 511-an upper support arm; 512-lower support arms; 52-a lead screw; 53-base; 54-saddle; 55-a wrench mating part; 6-a first mounting bracket; 61-a first threaded hole; 62-a first bolt; 7-a second mounting bracket; 71-a second threaded hole; 72-a second bolt; 8-elastic pad.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In the present disclosure, unless otherwise indicated, terms such as "inner" and "outer" are used to refer to inner and outer relative to the outline of the corresponding component itself, and terms such as "first" and "second" are used to distinguish one element from another without order or importance.
As shown in fig. 1 and 2, the present disclosure provides a slip ring mounting device for mounting a slip ring 1 of a wind turbine, including an abutting structure 4 and a driving structure 5, the abutting structure 4 including a first abutting piece 41 and a second abutting piece 42, the first abutting piece 41 being used for contacting one end face of the slip ring 1, the second abutting piece 42 being used for contacting a rear end cover 2 of a slip ring chamber of the wind turbine, the driving structure 5 being used for driving the first abutting piece 41 to reciprocate relative to the second abutting piece 42 along an axial direction of the slip ring 1, the first abutting piece 41 being configured as an annular piece.
Through the technical scheme, as the collecting ring 1 is in interference fit with the rotating shaft 3 of the wind driven generator, when the collecting ring 1 is installed, the rotating shaft 3 of the wind driven generator can be locked, the collecting ring 1 is moved to enable the flat key grooves on the collecting ring 1 to be aligned with the flat keys on the rotating shaft 3 of the wind driven generator, and the collecting ring 1 is partially pushed into the rotating shaft 3 of the wind driven generator, so that preliminary positioning of installation of the collecting ring 1 is realized. After the primary positioning of the installation of the collecting ring 1 is completed, the collecting ring installation device is fixed, the first abutting piece 41 on the collecting ring installation device abuts against the collecting ring 1, the second abutting piece 42 abuts against the rear end cover 2 of the slip ring chamber of the wind driven generator, the first abutting piece 41 is pushed to move towards the direction of the rotating shaft 3 of the wind driven generator through the driving structure 5, and the collecting ring 1 can translate towards the direction of the rotating shaft 3 of the wind driven generator under the pushing action of the first abutting piece 41, so that the installation of the collecting ring 1 is realized. Need not to use the rubber hammer to strike repeatedly collecting ring 1, use the rubber hammer to strike repeatedly collecting ring 1 in the prior art and make the collecting ring install the technical scheme on aerogenerator's pivot 3 compare, the collecting ring installation device that this disclosure provided installs collecting ring 1's in-process and has saved and strike repeatedly, and the installation is comparatively convenient, has effectively avoided collecting ring 1 to strike the condition that damages because of the rubber hammer in the installation simultaneously, has improved collecting ring 1's life.
In addition, because the first abutting piece 41 is configured as an annular piece, when the collecting ring 1 moves towards the rotating shaft 3 direction of the wind driven generator under the abutting action of the first abutting piece 41, interference between the first abutting piece 41 and the rotating shaft 3 of the wind driven generator is avoided, the rotating shaft 3 of the wind driven generator can partially penetrate through the first abutting piece 41 to enable the first abutting piece 41 to be always abutted against the collecting ring 1, and the situation that the first abutting piece 41 cannot abut against the collecting ring 1 and the collecting ring 1 is not installed in place due to interference between the first abutting piece 41 and the rotating shaft 3 of the wind driven generator is effectively avoided when the collecting ring 1 is installed.
In order to enable the above-described slip ring mounting device to be used for mounting slip rings 1 of different model sizes, the versatility of the slip ring mounting device is improved, optionally the first abutment 41 is detachably connected to the driving structure 5. That is, one end of the first abutting piece 41 is connected to the driving structure 5, the other end of the first abutting piece 41 is used for abutting against the collecting ring 1, when the collecting ring 1 with different types and sizes is installed, an operator can install the collecting ring 1 with different types and sizes by replacing the first abutting piece 41 with different types and sizes, the whole collecting ring installation device does not need to be replaced according to the collecting ring 1 with different types and sizes, and the universality of the collecting ring installation device is effectively improved. In addition, if the first abutting piece 41 is damaged in the use process, an operator can directly replace the new first abutting piece 41 without replacing the whole collecting ring mounting device, so that the use cost of the collecting ring mounting device is effectively reduced.
In order to detachably connect the first abutment 41 to the driving structure 5, as shown in fig. 2, as an embodiment, the slip ring mounting device further includes a first bolt 62 and a first mounting bracket 6 connected to the driving structure 5, a first threaded hole 61 is formed in the first mounting bracket 6, a first mounting hole 4121 is formed in the first abutment 41, and the first bolt 62 passes through the first mounting hole 4121 and is screwed with the first threaded hole 61. Thus, when the first abutting piece 41 is replaced, an operator can directly screw out the first bolt 62 to replace the first abutting piece 41, and the operation is simple and convenient.
As another embodiment, the first abutting piece 41 may be formed with a first clamping hole, and the driving structure 5 may be formed with a first clamping hole, so that an operator may insert the first clamping hole of the first abutting piece 41 into the clamping hole of the driving structure 5 to realize that the first abutting piece 41 is detachably connected to the driving structure 5, which is not limited in this disclosure.
In order to avoid the situation that the slip ring mounting device cannot be used when the size of the rear end cover 2 is small due to the difference of the sizes of the slip ring chamber rear end covers 2 of different types of wind driven generators, the second abutting piece 42 is optionally detachably connected to the driving structure 5. That is, one end of the second abutting piece 42 is connected to the driving structure 5, and the other end of the second abutting piece 42 is used for abutting against the rear end cover 2 of the slip ring chamber of the wind driven generator, when the slip ring 1 of the wind driven generator of different types is installed, an operator can replace the second abutting piece 42 of different types to meet the size limitation of the rear end cover 2 of the slip ring chamber of the wind driven generator of different types, the whole slip ring installation device is not required to be replaced, and the universality of the slip ring installation device is effectively improved. In addition, if the second abutting piece 42 is damaged in the use process, an operator can directly replace the new second abutting piece 42 without replacing the whole collecting ring mounting device, so that the use cost is effectively reduced.
In order to detachably connect the second abutment member 42 to the driving structure 5, the slip ring mounting device optionally further includes a second bolt 72 and a second mounting bracket 7 connected to the driving structure 5, the second mounting bracket 7 has a second threaded hole 71 formed thereon, the second abutment member 42 has a second mounting hole 421 formed thereon, and the second bolt 72 passes through the second mounting hole 421 and is threadedly connected with the second threaded hole 71. That is, when the second abutment 42 is replaced, the operator can directly screw out the second bolt 72 to replace the second abutment 42, which is simple and convenient.
As another embodiment, the second abutting member 42 may be formed with a second clamping hole, and the driving structure 5 may be formed with a second clamping hole, so that an operator may insert the second clamping hole of the second abutting member 42 into the clamping hole of the driving structure 5 to detachably connect the second abutting member 42 to the driving structure 5, which is not limited in this disclosure.
In order to avoid interference between the first abutting piece 41 and the rotating shaft 3 of the wind driven generator when the collecting ring 1 is installed, optionally, the first abutting piece 41 comprises an abutting plate 411, a mounting plate 412 and a connecting plate 413 connected between the abutting plate 411 and the mounting plate 412, the abutting plate 411 is used for contacting the collecting ring 1, the mounting plate 412 is used for being connected with the first mounting bracket 6, and the connecting plate 413 is in a cylindrical shape; the abutting plate 411 is formed with an avoidance hole 4111, and the avoidance hole 4111 is used for avoiding the rotating shaft 3 of the wind driven generator. That is, when the collecting ring 1 is installed, the first abutting piece 41 will not interfere with the rotating shaft 3 of the wind driven generator, the rotating shaft 3 of the wind driven generator can partially penetrate through the avoiding hole 4111 to extend into the first abutting piece 41, the abutting plate 411 can always abut against the collecting ring 1, and when the collecting ring 1 is installed, interference between the abutting plate 411 and the rotating shaft 3 of the wind driven generator is effectively avoided, so that the abutting plate 411 cannot abut against the collecting ring 1, the abutting plate 411 cannot push the collecting ring 1 to move, and the condition that the collecting ring 1 is not installed in place occurs.
In order to avoid damage to the slip ring 1 caused by direct contact of the abutment plate with the slip ring 1, the slip ring mounting device optionally further comprises an elastic spacer 8, the elastic spacer 8 being arranged on the abutment plate 411. That is, when the slip ring 1 is mounted, the elastic pad 8 is in contact with the slip ring 1, the slip ring 1 is not in direct contact with the abutting plate 411, but the slip ring 1 is contacted with the elastic pad 8, and the slip ring 1 can be effectively protected by the elastic pad 8, so that the slip ring 1 is prevented from being damaged.
To facilitate the mounting of the elastic pad 8 on the abutment plate 411, as shown in fig. 2, as an embodiment, the elastic pad 8 is configured as an annular pad, and an annular groove is provided on the outer peripheral wall of the annular pad, and the annular groove is inserted into the inner periphery of the abutment plate 411. That is, the elastic gasket 8 is inserted into the inner periphery of the abutting plate 411, the outer wall of the abutting plate 411 and the inner wall of the elastic gasket 8 abut against each other, the installation of the elastic gasket 8 is reliable, and the situation that the elastic gasket 8 falls off to affect the normal use of the collecting ring installation device in the use process is effectively avoided.
As another embodiment, the elastic pad 8 may be directly adhered to the abutting plate 411, which is not limited in the present disclosure.
The present disclosure is not limited to the specific type and structure of the driving structure 5 as long as the driving of the first abutment 41 to reciprocate in the axial direction of the slip ring with respect to the second abutment 42 can be achieved. In order to facilitate accurate control of the movement speed and movement distance of the first abutment 41, as an embodiment, the driving structure 5 optionally comprises a support arm 51, a screw 52, a base 53 and a saddle 54; the support arm 51 includes an upper support arm 511 and a lower support arm 512, first ends of the two upper support arms 511 are rotatably connected to the saddle 54, respectively, first ends of the two lower support arms 512 are rotatably connected to the base 53, respectively, and second ends of the two upper support arms 511 are hinged to second ends of the corresponding lower support arms 512, respectively, and are sleeved on the screw rod 52, so that the support arm 51 and the screw rod 52 are configured as a screw-nut mechanism. That is, the two upper support arms 511 and the lead screw 52, and the two lower support arms 512 and the lead screw 52 are each formed in an isosceles triangle, the driving structure 5 is formed in a scissor jack structure, the lead screw 52 is rotated, the two upper support arms 511 and the two lower support arms 512 are moved closer to (or away from) each other, the base of the isosceles triangle becomes shorter (or longer), and the distance between the base 53 and the saddle 54 changes as the length of the base of the isosceles triangle changes, so that the first abutting piece 41 reciprocates in the radial direction of the slip ring 1 with respect to the second abutting piece 42.
For the embodiment in which the driving structure 5 comprises a base 53 and a saddle 54, it will be appreciated that the first mounting bracket 6 is provided on the saddle 54 and the second mounting bracket 7 is provided on the base 53.
In order to facilitate the rotation of the operating screw 52, optionally, as shown in fig. 2, the above-mentioned driving structure 5 further comprises a wrench engagement portion 55, the wrench engagement portion 55 being provided on the screw 52 and configured to be able to engage with a torque wrench. When the slip ring 1 is mounted, an operator may put a torque wrench on the wrench engaging portion 55, and rotate the wrench engaging portion 55 by the torque wrench to rotate the screw 52.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. A collector ring mounting device is used for mounting a collector ring of a wind driven generator and is characterized by comprising an abutting structure and a driving structure,
the abutting structure comprises a first abutting piece and a second abutting piece, wherein the first abutting piece is used for being in contact with one end face of the collecting ring, and the second abutting piece is used for being in contact with a rear end cover of the slip ring chamber of the wind driven generator;
the driving structure is used for driving the first abutting piece to reciprocate along the axial direction of the collecting ring relative to the second abutting piece;
the first abutment is configured as a ring.
2. The slip ring mounting apparatus of claim 1, wherein the first abutment is removably connected to the drive structure.
3. The slip ring mounting device of claim 2, further comprising a first bolt and a first mounting bracket coupled to the drive structure;
the first mounting bracket is provided with a first threaded hole, the first abutting piece is provided with a first mounting hole, and the first bolt penetrates through the first mounting hole and is in threaded connection with the first threaded hole.
4. The slip ring mounting apparatus of claim 1, wherein the second abutment is removably connected to the drive structure.
5. The slip ring mounting device of claim 4 further comprising a second bolt and a second mounting bracket coupled to the drive structure;
the second mounting bracket is provided with a second threaded hole, the second abutting piece is provided with a second mounting hole, and the second bolt penetrates through the second mounting hole and is in threaded connection with the second threaded hole.
6. A slip ring mounting apparatus as claimed in claim 3 wherein the first abutment member comprises oppositely disposed abutment plates for contact with the slip ring, a mounting plate for connection with the first mounting bracket, a connection plate connected between the abutment plates and the mounting plate, the connection plate being cylindrically configured;
the support plate is provided with an avoidance hole, and the avoidance hole is used for avoiding a rotating shaft of the wind driven generator.
7. The slip ring mounting device of claim 6, further comprising a resilient gasket disposed on the abutment plate.
8. The slip ring mounting device as claimed in claim 7, wherein the resilient pad is configured as an annular pad having an annular groove provided on an outer peripheral wall thereof, the annular groove being inserted into the inner peripheral edge of the abutment plate.
9. The slip ring mounting apparatus as claimed in any one of claims 1 to 8 wherein the drive structure comprises a support arm, a lead screw, a base and a saddle;
the support arms comprise upper support arms and lower support arms, first ends of the two upper support arms are respectively and rotatably connected with the saddle, first ends of the two lower support arms are respectively and rotatably connected with the base, second ends of the two upper support arms are respectively hinged with second ends of the corresponding lower support arms, and the support arms are sleeved on the screw rod, so that the support arms and the screw rod are constructed into a screw rod nut mechanism.
10. The slip ring mounting apparatus of claim 9, wherein the drive structure further comprises a wrench engagement portion for being disposed on the lead screw and configured to engage a torque wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321671105.0U CN220022552U (en) | 2023-06-28 | 2023-06-28 | Collector ring mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321671105.0U CN220022552U (en) | 2023-06-28 | 2023-06-28 | Collector ring mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220022552U true CN220022552U (en) | 2023-11-14 |
Family
ID=88680935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321671105.0U Active CN220022552U (en) | 2023-06-28 | 2023-06-28 | Collector ring mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220022552U (en) |
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2023
- 2023-06-28 CN CN202321671105.0U patent/CN220022552U/en active Active
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