CN216912181U - Flywheel shaft hole processing automatic clamping device - Google Patents
Flywheel shaft hole processing automatic clamping device Download PDFInfo
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- CN216912181U CN216912181U CN202220349816.5U CN202220349816U CN216912181U CN 216912181 U CN216912181 U CN 216912181U CN 202220349816 U CN202220349816 U CN 202220349816U CN 216912181 U CN216912181 U CN 216912181U
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- flywheel
- clamping
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- shaft hole
- driving
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The utility model discloses an automatic clamping device for flywheel shaft hole processing, which comprises: the flywheel clamping device comprises at least two groups of clamping components arranged at equal intervals along the periphery of the flywheel, a detection device and a control device, wherein the detection device is used for measuring the distance between the top and the bottom of each group of clamping components; the top of clamping subassembly is used for butt flywheel upper end, and the bottom of clamping subassembly is used for supporting the flywheel lower extreme, and clamping subassembly and detection device all are connected with controlling means. By using the automatic clamping device for flywheel shaft hole machining provided by the utility model, the clamping efficiency and the machining precision of the flywheel can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of machining clamps, in particular to an automatic clamping device for flywheel shaft hole machining.
Background
In the prior art, a flywheel is an important part of various devices, the basic outline of the flywheel is generally generated by forging, and a shaft mounting hole of an inner ring of the flywheel needs to be bored by a metal boring machine so as to ensure that the flywheel achieves the mounting precision of the devices. In the earlier stage of processing, the outer ring flatness of the flywheel needs to be measured by means of an instrument so as to ensure the coaxiality of the boring holes of the inner ring of the flywheel, and the process can be realized only by matching with a manual adjusting thread, so that the processing precision of the flywheel greatly depends on the experience and proficiency of workers, and the clamping efficiency and the processing precision of the flywheel cannot be ensured.
In summary, how to improve the clamping efficiency and the machining precision of the flywheel is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide an automatic clamping device for flywheel shaft hole machining, which can effectively improve the clamping efficiency and machining precision of a flywheel.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides a flywheel shaft hole processing automatic clamping device, includes: the flywheel clamping device comprises at least two groups of clamping components arranged at equal intervals along the periphery of the flywheel, a detection device and a control device, wherein the detection device is used for measuring the distance between the top and the bottom of each group of clamping components;
the top of the clamping assembly is used for abutting against the upper end of the flywheel, the bottom of the clamping assembly is used for supporting the lower end of the flywheel, and the clamping assembly and the detection device are connected with the control device.
Preferably, the clamping assembly comprises a bottom support for supporting the bottom of the flywheel, a positioning assembly arranged on the bottom support, a lead screw vertically arranged on the positioning assembly, and a clamping assembly capable of moving up and down along the lead screw;
the positioning assemblies are uniformly distributed along the peripheral portion of the flywheel, the bottom of the clamping assembly is used for abutting against the top of the flywheel, and the clamping assembly is connected with the control device.
Preferably, the clamping assembly comprises a driving motor, a motor fixing plate for fixing the driving motor, a belt pulley transmission case and a gear transmission case assembly, the motor fixing plate, the belt pulley transmission case and the gear transmission case assembly are arranged in parallel from top to bottom, and the driving motor is connected with the control device;
the belt pulley transmission box comprises a driving belt pulley connected with an output shaft of the driving motor, a driven belt pulley and a transmission belt wound on the outer peripheries of the driving belt pulley and the driven belt pulley;
the gear transmission box assembly comprises a driving wheel arranged below the driving belt wheel, a driven wheel arranged below the driven belt wheel and a driving wheel meshed with the driving wheel and the driven wheel, and the driving wheel is sleeved on the peripheral part of the lead screw.
Preferably, the action wheel with be equipped with first lead screw hole between the follow driving wheel, be equipped with teeth of a cogwheel, outer lane screw thread and inner circle screw thread on the drive wheel, the teeth of a cogwheel be used for with the action wheel with mesh mutually from the driving wheel, outer lane screw thread inlays to be located in the first lead screw hole, inner circle thread bush is located outside the lead screw.
Preferably, the positioning assembly comprises at least two positioning blocks which are uniformly distributed, and second screw holes through which the screws can pass are formed in the positioning blocks.
Preferably, the detection device is an infrared distance meter used for measuring the distance of the clamping assembly moving along the lead screw, and the infrared distance meter is connected with the control device.
Preferably, the bottom support is provided with a clamping groove used for clamping the positioning component.
Preferably, the bottom support is provided with an annular circular groove for supporting the flywheel.
Preferably, the bottom support is provided with a support frame used for being connected with a machine tool workbench.
When the automatic clamping device for flywheel shaft hole machining is used, the clamping components can be uniformly distributed on the periphery of a flywheel, then the detection device can detect the distance between the top and the bottom of each assembly clamping component, in addition, the detection device can transmit a detection signal to the control device, and the control device can control the clamping components to move according to detection data, so that the bottoms of the clamping components are effectively abutted against the top of the flywheel, the flatness of the clamping surface of the flywheel is ensured, and the coaxiality of the surface to be machined of the flywheel is further ensured. The device measures and adjusts the distance between the top of each group of clamping components and the bottom of each group of clamping components, namely measures and adjusts the clamping degree between each group of clamping components and the clamping surface respectively, so as to ensure that the clamping surfaces are clamped on the same plane, and further realize the automatic control of the clamping operation and effectively improve the clamping precision. The process does not need manual adjustment, does not depend on the experience and proficiency of workers, and can ensure the clamping efficiency and the machining precision of the flywheel.
In conclusion, the automatic clamping device for flywheel shaft hole machining can effectively improve the clamping efficiency and machining precision of the flywheel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of an automatic clamping device for flywheel shaft hole machining provided by the utility model;
FIG. 2 is a schematic structural view of a clamping assembly;
FIG. 3 is a schematic structural view of the driving pulley and the driven pulley;
FIG. 4 is a schematic structural diagram of a flywheel;
FIG. 5 is a schematic structural view of a positioning assembly;
FIG. 6 is a schematic view of the shoe structure;
FIG. 7 is a schematic view of a driving wheel;
fig. 8 is a flowchart illustrating a control method of the control device.
In fig. 1-8:
the device comprises a flywheel 1, a base support 2, a positioning assembly 3, a screw rod 4, a clamping assembly 5, a driving motor 6, a motor fixing plate 7, a belt pulley transmission case 8, a gear transmission case assembly 9, a driving belt pulley 10, a driven belt pulley 11, a transmission belt 12, a driving wheel 13, a driven wheel 14, a driving wheel 15, a first screw hole 16, a gear tooth 17, an outer ring thread 18, an inner ring thread 19, a positioning block 20, a second screw hole 21, an infrared distance meter 22, a clamping groove 23, an annular circular groove 24, a supporting frame 25, a fixing plate mounting hole 26, a belt pulley mounting hole 27, a fixing plate mounting column 28, a clamping surface 29 and a surface to be processed 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the utility model is to provide the automatic clamping device for flywheel shaft hole processing, which can effectively improve the clamping efficiency and the processing precision of the flywheel.
Please refer to fig. 1 to 7.
This embodiment provides a flywheel shaft hole processing automatically clamped device, includes: the flywheel clamping device comprises at least two groups of clamping components arranged at equal intervals along the periphery of the flywheel 1, a detection device and a control device, wherein the detection device is used for measuring the distance between the top and the bottom of each group of clamping components; the top of clamping subassembly is used for butt flywheel 1 upper end, and the bottom of clamping subassembly is used for supporting 1 lower extreme of flywheel, and clamping subassembly and detection device all are connected with controlling means.
It should be noted that the detection device is used for measuring the distance between the top and the bottom of each set of clamping assemblies, the set number of each set of clamping assemblies is 1, 2,. n, the distance measured each time is di1, di2,. din, and i is 0 when the distance is initial; the control device is used for selecting a minimum distance value d-min (di1, di 2.. din), calculating a distance difference | d-di1 | of each group, and | d-di2 |, and controlling the top of each clamping assembly to move downwards according to the distance difference.
Fig. 8 shows a flow chart of a control method of the control device, which includes:
step S1: measuring the distance between the top and the bottom of each group of clamping assemblies, setting the group number of each group of clamping assemblies as 1, 2,. n, measuring the distance each time as di1, di2,. din, and setting i as 0 in the initial distance;
step S2: selecting a minimum distance value d ═ min (di1, di 2.. din) as a reference value;
step S3: calculating the distance difference | d-di1 |, | d-di2 |, | d-din |, of each group, and controlling each top to move downwards according to the distance difference until each top cannot move downwards or each distance difference is less than or equal to a preset difference, and stopping the downward movement of each top;
step S4: and if the position of the flywheel 1 changes, returning to the step of measuring the distance between the top and the bottom of each group of clamping components.
When the automatic clamping device for flywheel shaft hole machining provided by the utility model is used, the clamping components can be uniformly distributed on the periphery of the flywheel 1, then the detection device can detect the distance between the top and the bottom of each assembly clamping component, in addition, the detection device can transmit a detection signal to the control device, and the control device can control the movement of the clamping components according to the detection data, so that the bottoms of the clamping components are effectively abutted against the top of the flywheel 1, the flatness of the clamping surface 29 of the flywheel 1 is ensured, and further the coaxiality of the surface to be machined 30 of the flywheel 1 is ensured. The device measures and adjusts the distance between the top of each group of clamping components and the bottom of each group of clamping components, namely measures and adjusts the clamping degree between each group of clamping components and the clamping surface 29 respectively, so as to ensure that the clamping surface 29 is clamped on the same plane, further realize the automatic control of the clamping operation and effectively improve the clamping precision. The process does not need manual adjustment, does not depend on the experience and proficiency of workers, and can ensure the clamping efficiency and the machining precision of the flywheel 1.
In conclusion, the automatic clamping device for flywheel shaft hole machining can effectively improve the clamping efficiency and machining precision of the flywheel 1.
On the basis of the embodiment, the clamping assembly comprises a bottom support 2 for supporting the bottom of the flywheel 1, a positioning assembly 3 arranged on the bottom support 2, a screw rod 4 vertically arranged on the positioning assembly 3 and a clamping assembly 5 capable of moving up and down along the screw rod 4; the positioning assemblies 3 are uniformly distributed along the peripheral part of the flywheel 1, the bottom of the clamping assembly 5 is used for abutting against the top of the flywheel 1, and the clamping assembly 5 is connected with the control device.
It should be noted that, the clamping component 5 is installed at the upper end of the screw rod 4, the positioning component 3 is installed at the lower end of the screw rod 4, and the positioning components 3 are uniformly distributed along the outer periphery of the flywheel 1, so that the clamping surface 29 of the flywheel 1 can be abutted by the uniformly distributed clamping components 5 to ensure the flatness of the clamping surface 29, thereby ensuring that the surface 30 to be processed of the flywheel 1 is flat and coaxial, and being beneficial to improving the processing precision of the flywheel 1.
In the actual application process, the shapes, structures, sizes, materials, positions and the like of the bottom support 2, the positioning component 3, the screw rod 4, the clamping component 5 and the control device can be determined according to actual conditions and actual requirements.
On the basis of the above embodiment, preferably, the clamping assembly 5 includes a driving motor 6, a motor fixing plate 7 for fixing the driving motor 6, a pulley transmission case 8 and a gear transmission case assembly 9, the motor fixing plate 7, the pulley transmission case 8 and the gear transmission case assembly 9 are arranged in parallel from top to bottom, and the driving motor 6 is connected with the control device; the pulley transmission case 8 includes a driving pulley 10 connected to an output shaft of the driving motor 6, a driven pulley 11, and a transmission belt 12 wound around outer peripheries of the driving pulley 10 and the driven pulley 11; the gear transmission case assembly 9 includes a driving pulley 13 disposed below the driving pulley 10, a driven pulley 14 disposed below the driven pulley 11, and a driving pulley 15 engaged with both the driving pulley 13 and the driven pulley 14, and the driving pulley 15 is fitted around the outer periphery of the lead screw 4.
It should be noted that, the driving motor 6 is installed in the motor fixing plate 7, a plurality of fixing plate mounting holes 26 are provided on the motor fixing plate 7, the fixing plate mounting holes 26 are used for fixing the motor fixing plate 7, that is, a fixing plate mounting post 28 can be provided between the fixing plate mounting hole 26 and the pulley transmission case 8, a plurality of pulley mounting holes 27 are provided on the pulley transmission case 8, so as to be fixedly installed on the gear transmission case component 9 through the pulley mounting holes 27, so that the motor fixing plate 7, the pulley transmission case 8 and the gear transmission case component 9 are arranged in parallel from top to bottom.
It should be noted that when the control device controls the driving motor 6 to operate, the driving motor 6 can drive the driving pulley 10 to rotate, the driving pulley 10 can drive the driven pulley 11 to rotate through the transmission belt 12, the driving pulley 13 mounted at the lower end of the driving pulley 10 and the driven pulley 14 mounted at the lower end of the driven pulley 11 can rotate synchronously, and at the same time, the driving pulley 15 located between the driving pulley 13 and the driven pulley 14 can be driven to rotate. The inner hole of the driving wheel 15 is provided with threads, the driving wheel 15 is sleeved on the outer peripheral part of the screw rod 4, and the clamping assemblies 5 can be driven to move up and down along the screw rod 4 under the action of the threads, so that the multiple groups of clamping assemblies 5 can be finely adjusted simultaneously, the clamping surface 29 of the flywheel 1 is ensured to be flat, and the coaxiality of the inner hole of the surface 30 to be processed of the flywheel 1 is ensured. Moreover, the device adopts a mode that the driving wheel 13 drives the belt and simultaneously drives the two gears to move so as to drive the middle driving wheel 15, and the planetary gear driving mode can enhance the rigidity and the rotation balance effect of the driving wheel 15.
Preferably, a first screw hole 16 is arranged between the driving wheel 13 and the driven wheel 14, the driving wheel 15 is provided with gear teeth 17, outer ring threads 18 and inner ring threads 19, the gear teeth 17 are used for being meshed with the driving wheel 13 and the driven wheel 14, the outer ring threads 18 are embedded in the first screw hole 16, the inner ring threads 19 are sleeved outside the screw 4, and the driving wheel 15 is structured as shown in fig. 7. The outer ring thread 18 may be installed in a bearing of the first screw hole 16, the inner ring thread 19 may be installed on the screw 4, and both sides of the gear teeth 17 are engaged with the driving pulley 13 and the driven pulley 14, respectively.
On the basis of the above embodiment, preferably, the positioning assembly 3 includes at least two positioning blocks 20 uniformly distributed, and the positioning blocks 20 are provided with second screw holes 21 capable of passing through the screw 4. The second lead screw hole 21 is used for installing the lead screw 4, and four positioning blocks 20 can be uniformly arranged on the bottom support 2, so that the periphery of the flywheel 1 is effectively abutted by the clamping assembly 5, and the flatness of the clamping surface 29 of the flywheel 1 is improved.
Preferably, the positioning block 20 is provided with an infrared distance meter 22 for measuring the distance of the clamping components 5 moving along the screw rod 4, and the infrared distance meter 22 is connected with the control device, so that the control device can timely receive the moving condition of each clamping component 5, thereby ensuring that each clamping component 5 moves synchronously and ensuring the flatness of the clamping surface 29 of the flywheel 1.
Preferably, the mounting 2 is provided with a catch 23 for catching the positioning member 3. Therefore, the positioning block 20 can be directly installed in the clamping groove 23 of the bottom support 2, and the assembling process is convenient, simple and quick.
Preferably, the bottom support 2 is provided with an annular circular groove 24 for supporting the flywheel 1, and the annular circular groove 24 can effectively support the peripheral part of the flywheel 1, so that the flywheel 1 is prevented from inclining, and the flywheel 1 is favorably ensured to be stably placed.
Preferably, the base support 2 is provided with a support 25 for connection with a machine tool table, and the support 25 may be arranged in a cross structure so that the support 25 is mounted on the machine tool table.
In order to further explain the use process of the automatic clamping device for flywheel shaft hole machining provided by the utility model, the following description is given by way of example.
When the flywheel 1 needs to be machined, firstly, the base support 2 can be installed on a boring machine workbench, then the flywheel 1 is placed on the base support 2, the positioning block 20 is installed through the clamping groove 23, the infrared distance meter 22 on the positioning block 20 can measure the distance between the positioning block 20 and the clamping component 5, then the control device can control the driving motor 6 to operate, the driving motor 6 can drive the driving pulley 10 to rotate, the driving pulley 10 can drive the driven pulley 11 to rotate through the transmission belt 12, the driving wheel 13 installed at the lower end of the driving pulley 10 and the driven pulley 14 installed at the lower end of the driven pulley 11 can synchronously rotate, meanwhile, the driving wheel 15 positioned between the driving wheel 13 and the driven pulley 14 can be meshed to rotate, the clamping component 5 can be driven to move up and down along the screw rod 4 due to the thread effect of the inner hole of the driving wheel 15, so as to carry out distance measurement and fine adjustment operations on a plurality of groups of clamping components 5 at the same time, so as to ensure the flatness of the clamping force surface of the flywheel 1, and further ensure the coaxiality of the inner ring hole of the surface 30 to be processed of the flywheel 1.
This device has realized the fine setting motion of multiunit centre gripping subassembly 5 through the range finding data of multiunit infrared range finder 22, has guaranteed the plane degree of waiting to process face 30 to the axiality of waiting to process the inner circle hole of face 30 has been guaranteed indirectly. Moreover, the device adopts a mode that the driving wheel 13 drives the belt and simultaneously drives the two gears to move so as to drive the middle driving wheel 15, and the planetary gear driving mode can enhance the rigidity and the rotation balance effect of the driving wheel 15. In addition, the clamping action of the device can be automatically controlled through the control device, so that the error in the manual intervention process is reduced, and the processing quality and the processing efficiency of the flywheel 1 are improved.
It should be noted that the first screw hole 16 and the second screw hole 21 are mentioned in the present application, wherein the first and the second are only for distinguishing the position difference and are not in sequence.
It should be noted that the directions and positional relationships indicated by "upper and lower sides", "inside and outside", and the like in the present application are based on the directions and positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, and do not indicate or imply that the device or element referred to must have a specific direction, be configured and operated in a specific direction, and thus, should not be construed as limiting the present invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all the embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The automatic clamping device for flywheel shaft hole processing provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a flywheel shaft hole processing automatic clamping device which characterized in that includes: the flywheel clamping device comprises at least two groups of clamping components arranged at equal intervals along the periphery of a flywheel (1), a detection device and a control device, wherein the detection device is used for measuring the distance between the top and the bottom of each group of clamping components;
the top of the clamping assembly is used for abutting against the upper end of the flywheel (1), the bottom of the clamping assembly is used for supporting the lower end of the flywheel (1), and the clamping assembly and the detection device are connected with the control device.
2. The automatic clamping device for flywheel shaft hole machining according to claim 1, characterized in that the clamping assembly comprises a bottom support (2) for supporting the bottom of the flywheel (1), a positioning assembly (3) arranged on the bottom support (2), a lead screw (4) vertically arranged on the positioning assembly (3), and a clamping assembly (5) capable of moving up and down along the lead screw (4);
the positioning assemblies (3) are uniformly distributed along the peripheral part of the flywheel (1), the bottom of the clamping assembly (5) is used for abutting against the top of the flywheel (1), and the clamping assembly (5) is connected with the control device.
3. The automatic clamping device for flywheel shaft hole machining according to claim 2, wherein the clamping assembly (5) comprises a driving motor (6), a motor fixing plate (7) for fixing the driving motor (6), a belt pulley transmission case (8) and a gear transmission case assembly (9), the motor fixing plate (7), the belt pulley transmission case (8) and the gear transmission case assembly (9) are arranged in parallel from top to bottom, and the driving motor (6) is connected with the control device;
the belt pulley transmission box (8) comprises a driving belt pulley (10) connected with an output shaft of the driving motor (6), a driven belt pulley (11) and a transmission belt (12) wound on the outer peripheries of the driving belt pulley (10) and the driven belt pulley (11);
the gear transmission box assembly (9) comprises a driving wheel (13) arranged below the driving belt wheel (10), a driven wheel (14) arranged below the driven belt wheel (11) and a driving wheel (15) meshed with the driving wheel (13) and the driven wheel (14), and the driving wheel (15) is sleeved on the periphery of the lead screw (4).
4. The automatic clamping device for flywheel shaft hole machining according to claim 3, characterized in that a first screw hole (16) is formed between the driving wheel (13) and the driven wheel (14), a wheel tooth (17), an outer ring thread (18) and an inner ring thread (19) are arranged on the driving wheel (15), the wheel tooth (17) is used for being meshed with the driving wheel (13) and the driven wheel (14), the outer ring thread (18) is embedded in the first screw hole (16), and the inner ring thread (19) is sleeved outside the screw (4).
5. The flywheel shaft hole machining automatic clamping device according to any one of claims 2 to 4, wherein the positioning assembly (3) comprises at least two positioning blocks (20) which are uniformly distributed, and a second screw hole (21) through which the screw (4) can pass is formed in each positioning block (20).
6. The flywheel shaft hole machining automatic clamping device according to any one of claims 2 to 4, characterized in that the detection device is an infrared distance meter (22) used for measuring the distance of the clamping assembly (5) moving along the lead screw (4), and the infrared distance meter (22) is connected with the control device.
7. The flywheel shaft hole machining automatic clamping device is characterized in that the bottom support (2) is provided with a clamping groove (23) used for clamping the positioning component (3).
8. The flywheel shaft hole machining automatic clamping device according to any one of claims 2 to 4, characterized in that the bottom support (2) is provided with an annular circular groove (24) for supporting the flywheel (1).
9. The flywheel shaft hole machining automatic clamping device according to any one of claims 2 to 4, characterized in that the bottom support (2) is provided with a support frame (25) used for being connected with a machine tool workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220349816.5U CN216912181U (en) | 2022-02-21 | 2022-02-21 | Flywheel shaft hole processing automatic clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220349816.5U CN216912181U (en) | 2022-02-21 | 2022-02-21 | Flywheel shaft hole processing automatic clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216912181U true CN216912181U (en) | 2022-07-08 |
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ID=82267105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220349816.5U Active CN216912181U (en) | 2022-02-21 | 2022-02-21 | Flywheel shaft hole processing automatic clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216912181U (en) |
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2022
- 2022-02-21 CN CN202220349816.5U patent/CN216912181U/en active Active
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