CN117498611A - Large-via rotating shaft locking structure and locking method thereof - Google Patents
Large-via rotating shaft locking structure and locking method thereof Download PDFInfo
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- CN117498611A CN117498611A CN202311312129.1A CN202311312129A CN117498611A CN 117498611 A CN117498611 A CN 117498611A CN 202311312129 A CN202311312129 A CN 202311312129A CN 117498611 A CN117498611 A CN 117498611A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D71/00—Mechanisms for bringing members to rest in a predetermined position
- F16D71/04—Mechanisms for bringing members to rest in a predetermined position providing for selection between a plurality of positions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention belongs to the technical field of positioning and locking, and particularly relates to a large-via rotating shaft locking structure and a locking method thereof. The invention has the advantages of simple processing and higher indexing precision and repetition precision, so that the rotating shaft can be locked at any integer multiple position of 360 degrees/n, and can be reliably locked and positioned in any environment.
Description
Technical Field
The invention belongs to the technical field of positioning and locking, and particularly relates to a large-via rotating shaft locking structure and a locking method thereof.
Background
The large-via rotary shaft is used in rotary parts such as a rotary table, a nacelle, an indexing mechanism and the like, and is composed of the rotary shaft and a rotary motor, and because the conductive slip ring is not adopted, the internal communication line passes through the rotary shaft in a large-via rotary shaft mode, and the whole structure is larger than that of a conventional rotary table. The traditional locking mode is metal pin locking and electric locking, wherein the metal pin locking can only be locked at a certain or a plurality of fixed positions, and the repeated locking positioning accuracy is poor.
Disclosure of Invention
The invention aims to provide a large-via hole rotating shaft locking structure and a locking method thereof, which can be used for conveniently processing and simultaneously achieving higher indexing accuracy and repetition accuracy.
The technical scheme adopted by the invention is as follows:
the utility model provides a big via hole rotation axis locking structure, includes frame, rotates big via hole rotation axis body and the electrical system of connection on rotating member, still be provided with the locking unit that the tooth piece and drive tooth piece and remove along big via hole rotation axis body axle center direction in the frame, the last fluted disc is installed to the position that big via hole rotation axis body and tooth piece are relative, locking big via hole rotation axis body when tooth piece and last fluted disc offset, unlocking when tooth piece and last fluted disc separate.
Further, the large-via-hole rotating shaft body comprises a rotating shaft unit and a rotating motor, the rotating shaft unit is a stepped shaft with a stepped through hole in the middle, the upper fluted disc is fixedly connected to the position, close to the locking unit, of the rotating shaft unit, the rotating motor is a torque motor, the rotating motor is arranged on one of the stepped end faces of the rotating shaft unit, and the rotating shaft unit is rotatably connected to the rotating component.
Further, the locking unit comprises a base fixedly connected to the frame, a circular through hole is formed in the middle of the base, a lower fluted disc moving along the axis direction of the large through hole rotating shaft body is mounted on the base through a guide mechanism, the tooth meshing piece is fixedly connected to the position, close to the large through hole rotating shaft body, of the lower fluted disc, and a lifting mechanism for driving the lower fluted disc to move is further mounted on the base.
Further, the guide mechanism comprises three T-shaped round rods arranged on the base, three first through holes are formed in the base, three middle through holes opposite to the first through holes are formed in the lower fluted disc, the ends of the three T-shaped round rods are uniformly arranged on the first through holes in the bottom surface of the base, and the thin round rod parts of the T-shaped round rods penetrate through the first through holes in the ground of the base and are in sliding connection with the three middle through holes of the lower fluted disc.
Further, the lifting mechanism comprises a lifting worm connected to the inner side of the base in a rotating mode and a rotary driving piece for driving the lifting worm to rotate, the lifting worm is located on the outer side of the lower fluted disc, and the lower fluted disc is connected with the lifting worm through an external thread wire and an internal thread wire.
Further, the rotary driving piece comprises a motor component fixedly connected to the base, the output end of the motor component is fixedly connected with a lifting worm wheel, and a worm wheel ring meshed with the lifting worm wheel is arranged on the outer side of the lifting worm.
Further, the upper fluted disc is an annular disc with end teeth at one end, the annular disc is arranged on the other stepped end face of the rotating shaft unit, and the lower fluted disc is an annular cylinder with external thread threads on the outer circle and end teeth on the end face.
Further, the electric control system comprises an FPGA chip, a driving chip and a power supply module.
A locking method of a large-via rotary shaft comprises the following steps:
s1: the locking unit is controlled by the electric control system to drive the tooth meshing part to move towards the direction close to the large-via rotary shaft until the tooth meshing part is propped against the upper fluted disc, so that the locking is completed;
s2: the locking unit is controlled by the electric control system to drive the tooth meshing part to move towards the direction far away from the large-through hole rotating shaft body until the tooth meshing part is separated from the upper fluted disc, and unlocking is completed.
The invention has the technical effects that:
the locking structure of the large-via rotating shaft and the locking method thereof have good meshing precision by adopting the mechanical locking method of the end tooth disc, so that the upper tooth disc and the lower tooth disc can be conveniently processed and simultaneously ensure high repeated locking positioning precision, the rotating shaft can be locked at any integer multiple of 360 degrees/n, and the rotating shaft can be reliably locked and positioned in any environment, and the locking structure has high indexing precision and repeated precision.
Drawings
FIG. 1 is a schematic illustration of the exterior of the present invention;
FIG. 2 is a three-dimensional cross-sectional view of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
FIG. 4 is a top plan view of the structure of the present invention;
fig. 5 is a bottom view of the structure of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a frame; 2. a base; 3. a lower fluted disc; 4. an upper fluted disc; 5. a large via hole rotation shaft body; 6. a guide mechanism; 7. a motor assembly; 8. a lifting mechanism; 31. an external thread; 32. a middle through hole; 51. a rotation shaft unit; 52. a rotating electric machine; 81. lifting the worm; 82. lifting worm gear.
Detailed Description
The present invention will be specifically described with reference to examples below in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed.
Example 1:
as shown in fig. 1, the locking structure of the large-via rotating shaft comprises a frame 1, a large-via rotating shaft body 5 and an electric control system, wherein the large-via rotating shaft body 5 is rotatably connected to a rotating part, a tooth meshing piece and a locking unit for driving the tooth meshing piece to move along the axis direction of the large-via rotating shaft body 5 are further arranged on the frame 1, an upper fluted disc 4 is arranged at the position, opposite to the tooth meshing piece, of the large-via rotating shaft body 5, the tooth meshing piece can lock the large-via rotating shaft body 5 when being abutted against the upper fluted disc 4, and unlocking can be completed when the tooth meshing piece and the upper fluted disc 4 are separated.
The frame 1 is a circular plate with a large through hole and is fixed on ground equipment, and only relevant parts are displayed, and the frame is actually an outer frame of a turntable or a nacelle.
The large-via-hole rotating shaft body 5 comprises a rotating shaft unit 51 and a rotating motor 52, wherein the rotating shaft unit 51 is a stepped shaft with a stepped through hole in the middle, the upper fluted disc 4 is fixedly connected to the position, close to the locking unit, of the rotating shaft unit 51, the rotating motor 52 is a torque motor, the torque motor is arranged on one of the stepped end faces of the rotating shaft unit 51 through a screw, the rotating shaft unit 51 is rotationally connected to a rotating component, and the rotating component is an external component, namely an optical component rotating inside a rotating frame body of a turntable or rotating inside a nacelle;
the locking unit comprises a base 2 fixedly connected to the frame 1, a circular through hole is formed in the middle of the base 2, the communication line of the internal equipment is guaranteed to pass through and have abundant space without obvious friction, a lower fluted disc 3 moving along the axis direction of a large through hole rotating shaft body 5 is installed on the base 2 through a guide mechanism 6, a tooth meshing part is fixedly connected to the position, close to the large through hole rotating shaft body 5, of the lower fluted disc 3, the tooth meshing part can be driven to move when the lower fluted disc 3 moves, and the part of rotating equipment does not need to rotate by 360 degrees, so that the large through hole shaft form is adopted, the communication line of the internal equipment passes through, a conductive slip ring is not adopted, and the equipment cost is reduced.
Here, guiding mechanism 6 is the structure that carries out the spacing to lower fluted disc 3, and its restriction lower fluted disc 3 only can follow big via hole rotation axis body 5 axle center orientation and remove, guiding mechanism 6 in this technical scheme is including installing three T shape round bar on base 2, has seted up three through-hole one on the base 2, has seted up three and the middle through-hole 32 that one is relative with the through-hole on the lower fluted disc 3, and three T shape round bar tip evenly installs on the three through-hole of base 2 bottom surface one, and the thin round bar position of T shape round bar passes the three through-hole one on base 2 ground, and sliding connection realizes down fluted disc 3 and does not rotate in the left and right movement in-process between the three middle through-hole 32 of lower fluted disc 3.
In order to drive lower fluted disc 3 and remove, still be equipped with the elevating system 8 that drives lower fluted disc 3 and remove on the base 2, elevating system 8 can be electric putter, directly promote lower fluted disc 3 and remove, in order to reduce the volume in this technical scheme, and guarantee stability, select elevating system 8 to improve, its concrete elevating system 8 is including rotating the lifting worm 81 of connecting at the base 2 inboard, lifting worm 81 is located the outside of lower fluted disc 3, the outside of lower fluted disc 3 is provided with external screw thread 31, lifting worm 81's inboard is provided with the internal thread with external screw thread 31 looks adaptation, lower fluted disc 3 and lifting worm 81 are in the same place through external screw thread 31 and internal screw thread threaded connection, at this moment, can drive lower fluted disc 3 and remove through rotating lifting worm 81, its removal is comparatively stable, possess high bearing capacity.
In order to drive lifting worm 81 and rotate, elevating system 8 is still including driving lifting worm 81 and carrying out pivoted rotary driving spare, rotary driving spare can be the motor, pinion and fixed connection in the combination of the gear circle in lifting worm 81 outside, can drive the pinion through the starter motor and rotate, let the pinion drive lifting worm 81 through the gear circle and rotate, this technical scheme is in order to promote driven stability, rotatory use worm gear carries out the transmission, it specifically, rotary driving spare includes fixed connection motor assembly 7 on base 2, motor assembly 7's output fixedly connected with lifting worm wheel 82, lifting worm 81's outside is provided with the worm wheel circle of being connected with lifting worm wheel 82 meshing, can be to lifting worm wheel 82 input rotational energy through starting motor assembly 7, let lifting worm wheel 82 drive lifting worm 81 through the worm wheel circle and rotate, can lock it through lifting worm wheel 82 and worm wheel circle after the rotation is accomplished.
Here, the lower fluted disc 3 adopts an external thread form, a lifting worm 81 and a lifting worm wheel 82 to realize the left-right movement of the lower fluted disc 3, namely: the traditional locking mechanism adopts an inner spiral screw rod lifting mode as a spiral lifting structure, the outer spiral turns of the lower fluted disc 3 are more than 5 turns, and due to the fact that the stroke is smaller, the whole spiral of the lower fluted disc 3 is in the inner spiral of the lifting worm wheel 82 in the moving process, the condition of reducing the effective spiral turns in the moving process is avoided, the whole process is uniformly stressed, no large change exists, meanwhile, the double self-locking capacity of the lifting worm wheel 82, the lifting worm 81 and the spiral of the lower fluted disc 3 is reserved, the bearable vibration quantity level is increased, the mechanical environment adaptability is improved, and the locking mechanism is suitable for large-moment inertia equipment such as a turntable and a nacelle;
the upper fluted disc 4 is an annular disc with end teeth at one end, the annular disc is arranged on the other stepped end face of the rotating shaft unit 51, and the lower fluted disc 3 is an annular cylinder with an external thread wire 31 on the outer circle and end teeth on the end face.
The electric control system mainly comprises an FPGA chip, a driving chip, a power module and the like, and mainly controls the working signals of the rotary motor 52, the working signals of the motor assembly 7, and the number of rotation turns of the motors of the motor assembly 7, the rotary motor 52 and the like, wherein the number of rotation turns of the motors are read to judge the movement stroke of the lower fluted disc 3.
The electric control system controls the rotating motor 52 to rotate, the rotating shaft unit 51 is stopped at any integer multiple position n of 360 degrees/n to be the number of teeth of the tooth meshing piece, a working signal is given to the motor assembly 7, the motor assembly 7 rotates to drive the lifting worm 81 and the lifting worm gear 82 to rotate, the lower fluted disc 3 is locked in the direction close to the large-through-hole rotating shaft body 5, the stroke of the lower fluted disc 3 is judged through the read rotating number of turns of the motor encoder, when the condition that the lower fluted disc 3 and the upper fluted disc 4 enter into a virtual meshing state is judged to be teeth entering into a tooth socket but not in a meshing state, the rotating motor 52 is a torque motor, the electric control system is powered off, the rotating motor 52 is not enabled, namely the rotating motor 52 is not provided with a driving torque, the rotating shaft unit 51 is in a free rotatable state, the motor assembly 7 continues to work until the upper fluted disc 4 and the lower fluted disc 3 are completely meshed, the motor assembly 7 enters into a locked state, working current reaches a current threshold value, and the work is stopped, and the locking is completed.
The virtual meshing state is adopted, and particularly when locking and unlocking work is performed in a vibration environment, the rotary part is accurate in alignment in the locking process and free of damage to the part, and galloping of the rotary part in the unlocking and locking process is avoided.
When unlocking is carried out, the electric control system controls the motor assembly 7 to carry out reverse unlocking, the stroke of the lower fluted disc 3 is judged through the number of turns of the read motor encoder, when the lower fluted disc 3 and the upper fluted disc 4 are judged to be in a loose meshing state, the rotating motor 52 is enabled at a high level, the rotating motor 52 has a driving moment to ensure that the rotating shaft unit 51 is fixed and cannot rotate freely, the motor assembly 7 continues to work until the number of turns of the read encoder judges that the lower fluted disc 3 reaches an unlocking position, the work is stopped, and unlocking is completed.
In summary, the end-toothed disc mechanical locking method is adopted in the embodiment, the upper toothed disc 4 and the lower toothed disc 3 have good meshing precision, so that the upper toothed disc 4 and the lower toothed disc 3 can be ensured to have very high repeated locking positioning precision while being simple and convenient to process, and the rotating shaft can be locked at any integer multiple position of 360 degrees/n and can be reliably locked and positioned in any environment.
Example 2:
the embodiment discloses a locking method of a large-via rotating shaft on the basis of embodiment 1, which comprises the following steps:
step one: the locking unit is controlled by the electric control system to drive the tooth meshing part to move towards the direction close to the large-through hole rotating shaft body 5 until the tooth meshing part is propped against the upper fluted disc 4, so that locking is completed;
specifically, please refer to fig. 1-5, a detailed description is given of the first step, which specifically includes providing a working signal of the rotating motor 52 through an electric control system, stopping the rotation after the rotating motor 52 rotates to a designated position, providing a locking working signal of the motor assembly 7 by the electric control system, driving the lifting worm 81 and the lifting worm gear 82 to rotate together, driving the lower fluted disc 3 to move along the guiding mechanism 6 in the locking direction by the rotation of the lifting worm gear 82, enabling the lower fluted disc 3 and the upper fluted disc 4 to gradually enter into engagement, enabling the lower fluted disc 3 and the upper fluted disc 4 to enter into a virtual engagement state, judging that the stroke of the lower fluted disc 3 enters into the virtual engagement state after the electric control system reads the rotation number of turns of the motor encoder, powering off the rotating motor 52, releasing the rotating shaft unit 51, enabling the rotating shaft unit 51 to be in a free state, enabling the motor assembly 7 to rotate randomly until the lower fluted disc 3 and the upper fluted disc 4 are completely engaged, blocking the motor assembly 7 at this moment, enabling the working current to rise, and stopping the rotation of the motor assembly 7 to complete locking when the current reaches a set current threshold value.
Step two: the locking unit is controlled by the electric control system to drive the tooth meshing part to move towards the direction away from the large-through-hole rotating shaft body 5 until the tooth meshing part is separated from the upper fluted disc 4, so that unlocking is completed;
specifically, please refer to fig. 1-5, the details of the second step are described herein, which is specifically that when the unlocking is performed, the direction is opposite, the motor assembly 7 is reversed, the lifting worm gear 82 and the lifting worm 81 are driven to rotate together, the lifting worm gear 82 rotates to drive the lower fluted disc 3 to move along the guiding mechanism 6 towards the unlocking direction, so that the lower fluted disc 3 is gradually separated from the upper fluted disc 4, the lower fluted disc 3 and the upper fluted disc 4 are separated from each other in a virtual meshing state, the electric control system judges that the stroke of the lower fluted disc 3 is separated from the virtual meshing state after reading the rotation number of the motor encoder, the rotating motor 52 is electrified to enable the rotating shaft unit 51 to be fixed by the motor rotating motor 52 and can not rotate at will, the motor assembly 7 continues to rotate until the lower fluted disc 3 and the upper fluted disc 4 are completely separated, the electric control system judges that the lower fluted disc 3 moves to the designated unlocking position after reading the rotation number of the motor encoder, and the unlocking is completed.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (9)
1. A big via hole rotation axis locking structure which characterized in that: the device comprises a frame (1), a large-via-hole rotating shaft body (5) and an electric control system, wherein the large-via-hole rotating shaft body (5) is rotationally connected to a rotating part, a tooth meshing piece and a locking unit for driving the tooth meshing piece to move along the axis direction of the large-via-hole rotating shaft body (5) are further arranged on the frame (1), an upper fluted disc (4) is arranged at the opposite position of the large-via-hole rotating shaft body (5) and the tooth meshing piece, the tooth meshing piece and the upper fluted disc (4) lock the large-via-hole rotating shaft body (5) when being propped against each other, and the tooth meshing piece and the upper fluted disc (4) are unlocked when being separated.
2. The large-via rotation shaft locking structure according to claim 1, wherein: the large-via-hole rotating shaft body (5) comprises a rotating shaft unit (51) and a rotating motor (52), the rotating shaft unit (51) is a stepped shaft with a middle stepped through hole, the upper fluted disc (4) is fixedly connected to the position, close to the locking unit, of the rotating shaft unit (51), the rotating motor (52) is a torque motor, the rotating motor (52) is arranged on one stepped end face of the rotating shaft unit (51), and the rotating shaft unit (51) is rotationally connected to a rotating component.
3. A large-via rotation shaft locking structure according to claim 2, wherein: the locking unit comprises a base (2) fixedly connected to the frame (1), a circular through hole is formed in the middle of the base (2), a lower fluted disc (3) moving along the axis direction of the large through hole rotating shaft body (5) is mounted on the base (2) through a guide mechanism (6), a tooth meshing part is fixedly connected to the position, close to the large through hole rotating shaft body (5), of the lower fluted disc (3), and a lifting mechanism (8) for driving the lower fluted disc (3) to move is further mounted on the base (2).
4. A large-via rotary shaft locking structure according to claim 3, wherein: the guide mechanism (6) comprises three T-shaped round rods arranged on the base (2), three first through holes are formed in the base (2), three middle through holes (32) opposite to the first through holes are formed in the lower fluted disc (3), the ends of the three T-shaped round rods are uniformly arranged on the three first through holes in the bottom surface of the base (2), and the thin round rod parts of the T-shaped round rods penetrate through the three first through holes in the ground of the base (2) and are in sliding connection with the three middle through holes (32) of the lower fluted disc (3).
5. A large-via rotary shaft locking structure according to claim 3, wherein: the lifting mechanism (8) comprises a lifting worm (81) which is connected to the inner side of the base (2) in a rotating mode and a rotary driving piece which drives the lifting worm (81) to rotate, the lifting worm (81) is located on the outer side of the lower fluted disc (3), and the lower fluted disc (3) is connected with the lifting worm (81) through an external thread wire (31) and an internal thread.
6. The large-via rotation shaft locking structure according to claim 5, wherein: the rotary driving piece comprises a motor assembly (7) fixedly connected to the base (2), a lifting worm wheel (82) is fixedly connected to the output end of the motor assembly (7), and a worm wheel rim meshed and connected with the lifting worm wheel (82) is arranged on the outer side of the lifting worm (81).
7. The large-via rotation shaft locking structure according to claim 5, wherein: the upper fluted disc (4) is an annular disc with end teeth at one end, the annular disc is arranged on the other stepped end face of the rotating shaft unit (51), and the lower fluted disc (3) is an annular cylinder with an external thread wire (31) on the outer circle and end teeth on the end face.
8. The large-via rotation shaft locking structure according to claim 1, wherein: the electric control system comprises an FPGA chip, a driving chip and a power supply module.
9. A locking method of a large-via rotating shaft, which adopts the locking structure of the large-via rotating shaft body as set forth in any one of claims 1 to 8, and is characterized in that: the method comprises the following steps:
s1: the locking unit is controlled by the electric control system to drive the tooth meshing part to move towards the direction close to the large-via-hole rotating shaft body (5) until the tooth meshing part is propped against the upper fluted disc (4), so that the locking is finished;
s2: the locking unit is controlled by the electric control system to drive the tooth meshing part to move towards the direction far away from the large-through-hole rotating shaft body (5) until the tooth meshing part is separated from the upper fluted disc (4), so that unlocking is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311312129.1A CN117498611A (en) | 2023-10-11 | 2023-10-11 | Large-via rotating shaft locking structure and locking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311312129.1A CN117498611A (en) | 2023-10-11 | 2023-10-11 | Large-via rotating shaft locking structure and locking method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117498611A true CN117498611A (en) | 2024-02-02 |
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ID=89675309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311312129.1A Pending CN117498611A (en) | 2023-10-11 | 2023-10-11 | Large-via rotating shaft locking structure and locking method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117498611A (en) |
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2023
- 2023-10-11 CN CN202311312129.1A patent/CN117498611A/en active Pending
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