CN214707414U - Supporting device - Google Patents
Supporting device Download PDFInfo
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- CN214707414U CN214707414U CN202120805336.0U CN202120805336U CN214707414U CN 214707414 U CN214707414 U CN 214707414U CN 202120805336 U CN202120805336 U CN 202120805336U CN 214707414 U CN214707414 U CN 214707414U
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- motor
- screw rod
- rod
- speed reducer
- connecting part
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Abstract
The utility model discloses a supporting device, which is used for assembling and disassembling a fan yaw motor on a yaw speed reducer, the supporting device comprises at least two supporting components, each supporting component comprises a telescopic piece, a speed reducer connecting part and a motor connecting part, the telescopic piece is telescopically arranged along a first direction, the speed reducer connecting part is arranged at one end of the telescopic piece, the speed reducer connecting part is used for detachably connecting the yaw speed reducer, the motor connecting part is arranged at one end of the telescopic piece opposite to the speed reducer connecting part, the motor connecting part is used for detachably connecting the fan yaw motor, the speed reducer connecting part and the motor connecting part have movable strokes which are mutually close to or far away from each other along the first direction through the telescopic piece, so that the fan yaw motor and the yaw speed reducer are mutually far away from or close to each other, the fan yaw motor is disassembled and assembled, the replacement speed is improved, manpower is reduced, and on-site equipment maintenance is facilitated.
Description
Technical Field
The utility model relates to a wind motor driftage is overhauld and is maintained technical field, concretely relates to strutting arrangement.
Background
In the routine maintenance of the wind driven generator, the yaw motor is often replaced without easy disassembly, for example, the yaw motor is replaced by a Hunan electric XE93-2.0MW fan, which is rusted at the bearing position and has the disadvantages of difficult disassembly and assembly, the working steps are complicated and laborious, the replacement time of the yaw motor is long, the generated energy is influenced, the loss electric quantity is increased, personal injury is likely to occur in the replacement process, and the difficulty is brought to the maintenance work of field equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fan yaw motor dismouting strutting arrangement aims at solving the problem that fan yaw motor change time is longer, the dismouting is difficult.
In order to achieve the above object, the utility model provides a support device for fan yaw motor dismouting is in driftage reduction gear, support device includes two at least supporting component, each the supporting component includes:
a telescoping member telescopically arranged in a first direction;
the speed reducer connecting part is arranged at one end of the telescopic piece and is used for detachably connecting the yaw speed reducer; and the number of the first and second groups,
the motor connecting portion is arranged at one end, opposite to the speed reducer connecting portion, of the telescopic piece, and the motor connecting portion is used for being detachably connected with the fan yaw motor.
Optionally, the telescoping member comprises:
the connecting rod extends along the first direction, and one end of the connecting rod is provided with a first threaded hole; and the number of the first and second groups,
the first screw rod extends along the first direction, one end of the first screw rod is fixedly connected with one of the speed reducer connecting part and the motor connecting part, and the other end of the first screw rod is in threaded connection with the first threaded hole;
one end, far away from the first screw rod, of the connecting rod is rotatably connected with the other one of the yaw speed reducer connecting part and the motor connecting part, so that the connecting rod moves on the first screw rod along the first direction when rotating.
Optionally, the telescoping member comprises:
the connecting rod extends along the first direction, and a first threaded hole and a second threaded hole are respectively formed in two ends of the connecting rod;
the first screw rod extends along the first direction, one end of the first screw rod is fixedly connected with one of the speed reducer connecting part and the motor connecting part, and the other end of the first screw rod is in threaded connection with the first threaded hole; and the number of the first and second groups,
the second screw rod is opposite to the first screw rod at intervals along the first direction and is respectively arranged at two ends of the connecting rod, one end of the second screw rod, far away from the first screw rod, is fixedly connected with the other one of the speed reducer connecting part and the motor connecting part, and one end of the second screw rod, close to the first screw rod, is in threaded connection with the second threaded hole;
and when the connecting rod rotates, the connecting rod moves on the first screw rod and/or the second screw rod along the first direction.
Optionally, the first threaded hole and the second threaded hole penetrate through two ends of the connecting rod and are communicated with each other.
Optionally, the reducer connecting portion includes a first connecting piece, one side of the first connecting piece is connected with the extensible member, a first connecting bolt is arranged on one side of the first connecting piece facing the reducer connecting portion, and the first connecting bolt is used for being connected with a lifting lug on the outer side of the yaw reducer in an adaptive manner.
Optionally, the motor connecting portion includes a second connecting member, one side of the second connecting member is connected to the telescopic member, a second connecting bolt is disposed on one side of the second connecting member facing the fan yaw motor, and the second connecting bolt is used for being in adaptive connection with a mounting hole on the outer peripheral side of the fan yaw motor.
Optionally, the second connecting piece includes the installation department, be equipped with on the installation department the second connecting bolt, and with the one end detachably of extensible member connects.
Optionally, a stop member is disposed between the mounting portion and the second connecting bolt, and the stop member is configured to abut against an outer peripheral side of the fan yaw motor.
Optionally, be equipped with at least one strengthening rib on the installation department, each strengthening rib includes the main part section and locates the link at main part section both ends, the main part section with the installation department is the interval setting, two the link respectively with the installation department with second connecting bolt connects.
Optionally, the mounting portion includes a mounting rod and a first connecting plate, one end of the mounting rod is connected to the second connecting bolt, the first connecting plate is disposed on one side of the mounting rod facing the telescopic member, and the first connecting plate is provided with a first through hole perpendicular to the first direction;
the extensible member orientation the one end of installation department is equipped with the second connecting plate, the perpendicular to has been seted up on the second connecting plate the second through-hole that the first direction set up, first through-hole with second through-hole adaptation just passes through bolt-up connection, so that the installation department with the one end detachably of extensible member connects.
In the technical solution of the present invention, the supporting device comprises at least two supporting components, at least two supporting components are symmetrically disposed on the periphery of the fan yaw motor, the reducer connecting portion and the motor connecting portion of each supporting component have a movable stroke approaching or departing from each other along the first direction through the extensible member, because the reducer connecting portion is connected with the yaw reducer, and the motor connecting portion is connected with the fan yaw motor, the reducer connecting portion and the motor connecting portion are away from or approaching each other, so that the fan yaw motor and the yaw reducer are away from or approaching each other, that is, the fan yaw motor is mounted on or dismounted from the yaw reducer, not only the replacement speed is increased, the fan downtime is reduced, but also the supporting device bears the weight of the fan yaw motor during the mounting and dismounting process of the fan yaw motor, manpower is reduced, personal injury is avoided in the dismounting process, and on-site equipment maintenance is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic plan view of an embodiment of a supporting device provided in the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the support assembly in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
22 | First connecting |
| 110 | |
3 | |
| 1 | |
31 | Second connecting |
| 11 | Connecting |
311 | |
| 12 | |
3111 | |
| 13 | |
3112 | First connecting plate |
| 14 | Second connecting plate | 3113 | First through hole |
| 15 | Second through |
312 | |
| 2 | Speed |
313 | Reinforcing |
| 21 | First connecting |
32 | Second connecting bolt |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In the routine maintenance of the wind driven generator, the yaw motor is often replaced without easy dismounting, for example, the yaw motor is replaced by a Hunan electric XE93-2.0MW fan, which is rusted at the bearing position and has the disadvantages of difficult dismounting, complex and laborious working steps, and long replacement time of the yaw motor, thereby affecting the generated energy and increasing the loss electric quantity, possibly causing personal injury in the replacement process, and bringing difficulty to the on-site equipment maintenance work.
In view of the above, the present invention provides a supporting device for a yaw motor of a wind turbine to be disassembled from a yaw reducer, please refer to fig. 1, fig. 1 shows an embodiment of the present invention, wherein the supporting device 100 includes at least two supporting components 110, please refer to fig. 2, fig. 2 shows an embodiment of the support assembly provided by the present invention, each support assembly 110 includes a telescopic member 1, a reducer connecting portion 2 and a motor connecting portion 3, the telescopic member 1 is telescopically arranged along a first direction, the speed reducer connecting part 2 is arranged at one end of the telescopic member 1, reduction gear connecting portion 2 is used for dismantling the connection yaw reduction gear, motor connecting portion 3 are located extensible member 1 with the one end that reduction gear connecting portion 2 is relative, motor connecting portion 3 are used for dismantling the connection fan yaw motor.
In the technical solution of the present invention, at least two of the support assemblies 110 are symmetrically disposed around the fan yaw motor, the reducer connecting portion 2 and the motor connecting portion 3 of each support assembly 110 have a moving stroke approaching or departing from each other along the first direction through the extensible member 1, and the motor connecting portion 3 is connected to the fan yaw motor because the reducer connecting portion 2 is connected to the yaw reducer, so that the fan yaw motor and the yaw reducer are away from or approaching each other through the reducer connecting portion 2 and the motor connecting portion 3, thereby realizing that the fan yaw motor is detached from or attached to the yaw reducer, not only improving the replacement speed and reducing the fan downtime, but also because the support device 100 bears the weight of the fan yaw motor during the detachment of the fan yaw motor, manpower is reduced, personal injury is avoided in the dismounting process, and on-site equipment maintenance is facilitated.
It should be noted that the number of the supporting assemblies 110 is not limited, and may be two or more, as long as a plurality of supporting assemblies 110 are uniformly distributed along the circumferential direction of the fan yaw motor at intervals, so as to ensure that the fan yaw motor is uniformly stressed, and is conveniently dismounted from and mounted to the yaw reducer.
It should be further noted that, referring to fig. 2, the first direction is a direction parallel to an axial direction of the fan yaw motor, the form of the telescopic member 1 is not limited, and the telescopic member may be a telescopic rod, and may also be an air cylinder, etc., as long as the telescopic member can be extended and retracted along the first direction to enable the reducer connecting portion 2 and the motor connecting portion 3 to have a moving stroke away from or close to each other.
The extensible member 1 comprises a connecting rod 11 and a first screw 12, the connecting rod 11 is arranged in a first direction in an extending mode, one end of the connecting rod 11 is provided with a first threaded hole, the first screw 12 is arranged in the first direction in an extending mode, one end of the first screw 12 is fixedly connected with one of the speed reducer connecting part 2 and the motor connecting part 3, and the other end of the first screw is in threaded connection with the first threaded hole, one end, far away from the first screw 12, of the connecting rod 11 is rotatably connected with the other end of the speed reducer connecting part 2 and the motor connecting part 3, so that the connecting rod 11 moves on the first screw 12 in the first direction when rotating, the first screw 12 has a movable stroke far away from or close to the first threaded hole through rotation of the connecting rod 11, and the speed reducer connecting part 2 and the motor connecting part 3 are far away from or close to each other, and accordingly the fan yaw motor and the fan yaw motor can be driven by the fan yaw motor and the fan yaw motor The yaw speed reducer is far away from or close to each other, namely the fan yaw motor is disassembled and assembled on the yaw speed reducer, and due to the fact that the supporting assembly 110 bears the weight of the fan yaw motor, a worker can support the fan yaw motor to be disassembled or assembled on the yaw speed reducer only by rotating the connecting rod 11, manpower is greatly saved, and replacement of the fan yaw motor is facilitated.
It should be noted that the position setting of the first screw 12 has two setting cases: one of the two is that one end of the first screw 12 is fixedly connected with the speed reducer connecting part 2, and the other end is connected with the first threaded hole, and at this time, one end of the connecting rod 11 far away from the first screw 12 is rotatably connected with the motor connecting part 3; the other is that one end of the first screw 12 is fixedly connected with the motor connecting part 3, and the other end is connected with the first threaded hole, and at this time, one end of the connecting rod 11 far away from the first screw 12 is rotatably connected with the speed reducer connecting part 2. The connection mode of the connecting rod 11 and one of the speed reducer connecting part 2 and the motor connecting part 3 is not limited, and one of the speed reducer connecting part 2 and the motor connecting part 3 and one end of the connecting rod 11 far away from the first screw 12 may be in bearing connection or pin connection.
Of course, both ends of the connecting rod 11 may be connected with screws. Referring to fig. 2, in an embodiment of the present invention, the extensible member 1 includes a connecting rod 11, a first screw 12 and a second screw 13, the connecting rod 11 extends along the first direction, two ends of the connecting rod 11 are respectively provided with a first threaded hole and a second threaded hole, the first screw 12 extends along the first direction, one end of the first screw 12 is fixedly connected to one of the reducer connecting portion 2 and the motor connecting portion 3, the other end of the first screw is in threaded connection with the first threaded hole, the second screw 13 and the first screw 12 are oppositely disposed at two ends of the connecting rod 11 along the first direction at an interval, one end of the second screw 13 far away from the first screw 12 is fixedly connected to the other of the reducer connecting portion 2 and the motor connecting portion 3, and one end close to the first screw 12 is in threaded connection with the second threaded hole, wherein the connecting rod 11 moves on the first screw 12 and/or the second screw 13 in the first direction when rotating. The both ends of connecting rod 11 respectively with first screw 12 with second screw 13 spiro union, connecting rod 11 has two kinds of activity circumstances when rotating: one is that the one end of connecting rod 11 is fixed, the other end with first screw rod 12 or second screw rod 13 relative movement, another is the both ends of connecting rod 11 respectively with first screw rod 12 with second screw rod 13 relative movement, so increased reduction gear connecting portion 2 with the home range of motor connecting portion 3 has made things convenient for more fan yaw motor's change maintenance work.
Further, please refer to fig. 2, in an embodiment of the present invention, the first threaded hole and the second threaded hole penetrate through both ends of the connecting rod 11 and are communicated with each other, so as to reduce consumables, reduce the production cost of the supporting component 110, and facilitate the working condition of the extensible member 1 to be known by the working personnel.
The reducer connecting part 2 comprises a first connecting piece 2121, one side of the first connecting piece 21 is connected with the telescopic piece 1, one side of the first connecting piece 21, which faces the reducer connecting part 2, is provided with a first connecting bolt 22, and the first connecting bolt 22 is used for being in adaptive connection with a lifting lug on the outer side of the yaw reducer, so that when the fan yaw motor needs to be replaced and maintained, one end of the supporting component 110 is detachably fixed on the yaw reducer through the first connecting bolt 22.
It should be noted that, the form of the first connecting piece 21 is not limited, and may be a plate shape or a block shape, please refer to fig. 2, in an embodiment of the present invention, the first connecting piece 21 is a ring shape, the first connecting piece 21 abuts against the lug adapter outside the yaw speed reducer, and then the first connecting bolt 22 is inserted and fixed.
The motor connecting portion 3 includes a second connecting member 31, one side of the second connecting member 31 is connected to the extensible member 1, a second connecting bolt 32 is disposed on one side of the second connecting member 31 facing the fan yaw motor, and the second connecting bolt 32 is used for being connected to the mounting hole on the outer peripheral side of the fan yaw motor in an adaptive manner, so that when the fan yaw motor needs to be replaced and maintained, one end of the supporting component 110 is detachably fixed to the yaw reducer through the second connecting bolt 32.
Because the fan yaw motor of different models designs differently, for example Hunan electric XE93-2.0MW fan, the mounting hole of Hunan electric XE93-2.0MW fan yaw motor periphery side with the lug in the yaw reduction gear outside is at the perpendicular to the position difference on the first direction is great, for guaranteeing that the supporting component 110 bears the weight of the atress evenly, and makes things convenient for fan yaw motor dismouting, furtherly, second connecting piece 31 includes installation department 311, be equipped with on the installation department 311 second connecting bolt 32, and with the one end detachably of extensible member 1 is connected, through installation department 311 makes up the mounting hole of fan yaw motor periphery side with the position difference of the lug in the yaw reduction gear outside, makes extensible member 1 be on a parallel with the axial direction setting of fan yaw motor.
In addition, installation department 311 with the connection can be dismantled to the one end of extensible member 1 for the staff can be earlier with the one end of extensible member 1 passes through reduction gear connecting portion 2 with driftage retarder connection and general motor connecting portion 3 passes through second connecting bolt 32 with fan yaw motor connects, will at last again motor connecting portion 3 pass through installation department 311 with extensible member 1 is connected, so made things convenient for extensible member 1 with fan yaw motor's connection, and make supporting component 110 is applicable in the dismouting of the fan yaw motor of different models, has improved supporting component 110's practicality.
It should be noted that, the detachable connection mode between the mounting portion 311 and one end of the extensible member 1 is not limited, and the mounting portion 311 and one end of the extensible member 1 may be screwed or fastened, please refer to fig. 2.
Further, the mounting portion 311 includes a mounting rod 3111 and a first connecting plate 3112, one end of the mounting rod 3111 is connected to the second connecting bolt 32, the first connecting plate 3112 is disposed on one side of the mounting rod 3111 facing the telescopic member 1, and a first through hole 3113 perpendicular to the first direction is formed in the first connecting plate 3112; extensible member 1 orientation the one end of installation department 311 is equipped with second connecting plate 14, seted up the perpendicular to on the second connecting plate 14 the second through-hole 15 that the first direction set up, first through-hole 3113 with second through-hole 15 adaptation just passes through bolt-up connection, so that installation department 311 with the one end detachably of extensible member 1 connects, has enlarged supporting component 110's application scope.
Further, a stop member 312 is disposed between the mounting portion 311 and the second connecting bolt 32, the stop member 312 is configured to abut against an outer peripheral side of the fan yaw motor, and after the second connecting bolt 32 is connected to the mounting hole on the outer peripheral side of the fan yaw motor, the stop member 312 is supported by the mounting portion 311 to limit the second connecting bolt 32 to move in the mounting hole along a direction perpendicular to the first direction, so as to prevent the second connecting bolt 32 from sliding down to the mounting hole, and ensure that the fan yaw motor is smoothly assembled and disassembled.
It should be noted that the form of the stopper 312 is not limited, and may be a block or a plate, please refer to fig. 2, in an embodiment of the present invention, the stopper 312 is a hemisphere.
Further, be equipped with at least one strengthening rib 313313 on the installation department 311, each strengthening rib 313 includes the main part section and locates the link at main part section both ends, the main part section with the installation department 311 is the interval and sets up, two the link respectively with the installation department 311 with second connecting bolt 32 connects, through the setting of strengthening rib can be strengthened the intensity of installation department 311 has improved the bearing capacity of installation department 311.
It should be noted that the number of the reinforcing ribs 313 is not limited, and may be one or more, please refer to fig. 2, in an embodiment of the present invention, two reinforcing ribs 313 are provided, and two reinforcing ribs 313 are symmetrically disposed on two sides of the mounting portion 311 perpendicular to the first direction.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a strutting arrangement for fan yaw motor dismouting is in yaw reduction gear, strutting arrangement includes two at least support assembly, its characterized in that, each support assembly includes:
a telescoping member telescopically arranged in a first direction;
the speed reducer connecting part is arranged at one end of the telescopic piece and is used for detachably connecting the yaw speed reducer; and the number of the first and second groups,
the motor connecting portion is arranged at one end, opposite to the speed reducer connecting portion, of the telescopic piece, and the motor connecting portion is used for being detachably connected with the fan yaw motor.
2. The support device of claim 1, wherein the telescoping member comprises:
the connecting rod extends along the first direction, and one end of the connecting rod is provided with a first threaded hole; and the number of the first and second groups,
the first screw rod extends along the first direction, one end of the first screw rod is fixedly connected with one of the speed reducer connecting part and the motor connecting part, and the other end of the first screw rod is in threaded connection with the first threaded hole;
one end, far away from the first screw rod, of the connecting rod is rotatably connected with the other one of the yaw speed reducer connecting part and the motor connecting part, so that the connecting rod moves on the first screw rod along the first direction when rotating.
3. The support device of claim 1, wherein the telescoping member comprises:
the connecting rod extends along the first direction, and a first threaded hole and a second threaded hole are respectively formed in two ends of the connecting rod;
the first screw rod extends along the first direction, one end of the first screw rod is fixedly connected with one of the speed reducer connecting part and the motor connecting part, and the other end of the first screw rod is in threaded connection with the first threaded hole; and the number of the first and second groups,
the second screw rod is opposite to the first screw rod at intervals along the first direction and is respectively arranged at two ends of the connecting rod, one end of the second screw rod, far away from the first screw rod, is fixedly connected with the other one of the speed reducer connecting part and the motor connecting part, and one end of the second screw rod, close to the first screw rod, is in threaded connection with the second threaded hole;
and when the connecting rod rotates, the connecting rod moves on the first screw rod and/or the second screw rod along the first direction.
4. The support device of claim 3, wherein the first and second threaded holes extend through both ends of the connecting rod and communicate with each other.
5. The support device of claim 1, wherein the reducer connecting portion comprises a first connecting member, one side of the first connecting member is connected with the telescopic member, and one side of the first connecting member facing the reducer connecting portion is provided with a first connecting bolt which is used for being matched and connected with a lifting lug on the outer side of the yaw reducer.
6. The support device of claim 1, wherein the motor connecting portion comprises a second connecting member, one side of the second connecting member is connected with the telescopic member, and a second connecting bolt is arranged on one side of the second connecting member facing the fan yaw motor and is used for being matched and connected with a mounting hole on the outer peripheral side of the fan yaw motor.
7. The support device of claim 6, wherein the second connector includes a mounting portion, the mounting portion having the second connection bolt thereon and being detachably connected to one end of the extensible member.
8. The support device of claim 7, wherein a stop member is disposed between the mounting portion and the second connecting bolt, and the stop member is configured to abut against an outer peripheral side of the fan yaw motor.
9. The supporting device as claimed in claim 7 or 8, wherein the mounting portion is provided with at least one reinforcing rib, each reinforcing rib comprises a main body section and connecting ends arranged at two ends of the main body section, the main body section and the mounting portion are arranged at an interval, and the two connecting ends are respectively connected with the mounting portion and the second connecting bolt.
10. The support device of claim 7, wherein the mounting portion comprises a mounting rod and a first connecting plate, one end of the mounting rod is connected with the second connecting bolt, the first connecting plate is arranged on one side of the mounting rod facing the telescopic member, and a first through hole perpendicular to the first direction is formed in the first connecting plate;
the extensible member orientation the one end of installation department is equipped with the second connecting plate, the perpendicular to has been seted up on the second connecting plate the second through-hole that the first direction set up, first through-hole with second through-hole adaptation just passes through bolt-up connection, so that the installation department with the one end detachably of extensible member connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120805336.0U CN214707414U (en) | 2021-04-19 | 2021-04-19 | Supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120805336.0U CN214707414U (en) | 2021-04-19 | 2021-04-19 | Supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214707414U true CN214707414U (en) | 2021-11-12 |
Family
ID=78532350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120805336.0U Active CN214707414U (en) | 2021-04-19 | 2021-04-19 | Supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214707414U (en) |
-
2021
- 2021-04-19 CN CN202120805336.0U patent/CN214707414U/en active Active
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