CN220750985U - Floating type swivel nut detection auxiliary device and swivel nut detection device - Google Patents
Floating type swivel nut detection auxiliary device and swivel nut detection device Download PDFInfo
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- CN220750985U CN220750985U CN202322498438.4U CN202322498438U CN220750985U CN 220750985 U CN220750985 U CN 220750985U CN 202322498438 U CN202322498438 U CN 202322498438U CN 220750985 U CN220750985 U CN 220750985U
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- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims description 10
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- 238000010586 diagram Methods 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model is suitable for a detection auxiliary device, and provides a floating type swivel nut detection auxiliary device and a swivel nut detection device, wherein the device comprises a base and a floating device, the floating device is arranged on the base and comprises a fixed plate, a first floating seat and a second floating seat, the first floating seat is in sliding connection with the fixed plate in the X direction, and the second floating seat is in sliding connection with the first floating seat in the Y direction; the second floating seat is rotatably provided with a connector for being connected with the rotating shaft, and the connector is used for fixing the rotating shaft at the center of the second floating seat. The technical scheme provided by the utility model can solve the problem that the screw sleeve or the go-no-go gauge is damaged due to inaccurate screw sleeve placement of the conventional screw sleeve detection equipment; under the condition that the screw sleeve is positioned inaccurately, the screw sleeve can be detected, the detection process is simple and quick, manual operation is not needed, the degree of automation is high, the production efficiency is effectively improved, and the labor force is reduced.
Description
Technical Field
The utility model belongs to a detection auxiliary device, and particularly relates to a floating type swivel nut detection auxiliary device and a swivel nut detection device
Background
The screw sleeve is mainly used for various metals and nonmetal, can increase the connection strength, increase the stress surface and improve the connection condition, and has the functions of wear resistance, rust resistance, falling resistance, earthquake resistance and the like. The quality of the screw sleeve relates to the reliability of fastening and even to the safety of the product in use, and the screw sleeve needs to be detected in the production process.
At present, the detection of the screw sleeve is mainly carried out by driving a go-no-go gauge by a motor to screw into the screw sleeve. For example, the size of the screw hole is checked, the limit gauge is made according to the upper limit of the allowable deviation of the aperture, and the limit gauge is made according to the lower limit of the allowable deviation of the aperture. When the gauge is inspected, if the gauge can pass, the gauge is large in aperture and unqualified, and the defect cannot be overcome by reprocessing; if the gauge cannot pass, the gauge is small in pore size and is not qualified, but the gauge can be qualified by reworking.
Because the screw sleeves are detected one by adopting the motor-driven go-no-go gauge, the mode needs to be accurate in positioning of the screw sleeves, and if the screw sleeves are placed inaccurately, the screw sleeves or the go-no-go gauge can be damaged.
Disclosure of Invention
The embodiment of the utility model aims to provide a floating type swivel nut detection auxiliary device, which aims to solve the problem that the swivel nut or a go-no-go gauge is damaged due to inaccurate placement of the swivel nut.
The embodiment of the utility model is realized in such a way that the floating type swivel nut detection auxiliary device comprises a base and a floating device; the floating device is arranged on the base and comprises a fixed plate, a first floating seat and a second floating seat, wherein the first floating seat is in sliding connection with the fixed plate in the X direction, and the second floating seat is in sliding connection with the first floating seat in the Y direction; the second floating seat is rotatably provided with a connector used for being connected with the rotating shaft, and the connector is used for fixing the rotating shaft at the center of the second floating seat.
Preferably, the fixing plate is a square plate with a square through hole in the middle.
Preferably, the first floating seat is slidably connected with the fixing plate through a first guide rod, the first guide rod is installed in the square through hole of the fixing plate along the X direction, the first floating seat can slide in the square through hole of the fixing plate along the X direction, a bump is arranged on one side, opposite to the fixing plate, of the first floating seat, a second guide rod is arranged between the bumps along the Y direction, and a first through hole for allowing the connector to pass through is formed in the middle of the first floating seat.
Preferably, the second floating seat is slidably arranged on the second guide rod, one side of the second floating seat facing the fixed plate is in a cross structure, a boss is arranged on the other side of the second floating seat, a second through hole for installing the connector is formed in the middle of the second floating seat, and the connector is consistent with the first through hole in orientation after being installed in place.
Preferably, the connector is rotatably connected to the second floating seat, the connector is ring-shaped, screw holes for installing fixing bolts are formed in the radial direction of the connector along the X direction and the Y direction respectively, and the rotating shaft penetrates through the middle of the connector and is fixed through the fixing bolts.
Preferably, the device is further provided with an alignment mechanism for centering the rotation shaft.
Preferably, the alignment mechanism comprises a first alignment component for aligning the first floating seat and the fixed plate in the X direction; the first alignment assembly comprises two strip-shaped blocks, the strip-shaped blocks are fixedly arranged on one side, opposite to the first floating seat, of the fixed plate, a first placement position is arranged in the middle of each strip-shaped block, first magnetic blocks are arranged in the first placement position, the first floating seat faces one side of the fixed plate, the second placement positions corresponding to the first placement positions in position and quantity are arranged on the first floating seat, second magnetic blocks are arranged in the second placement positions, and the first magnetic blocks and the second magnetic blocks interact to enable the first floating seat and the fixed plate to be aligned in the X direction.
Preferably, the device further comprises a second alignment assembly for aligning the second floating mount with the second floating mount in the Y-direction; the second alignment assembly comprises a third magnetic block and a fourth magnetic block, a third placement position is arranged on one side of the first floating seat, which is opposite to the fixed plate, and each third placement position is internally provided with one third magnetic block; one side of the second floating seat facing the first floating seat is provided with fourth placing positions, the number and the positions of the fourth placing positions correspond to those of the third placing positions, each fourth placing position is internally provided with a piece of fourth magnetic block, and the third magnetic block and the fourth magnetic block interact to enable the second floating seat and the first floating seat to be centered in the Y direction.
The other aim of the embodiment of the utility model is to provide a screw sleeve detection device which comprises a driving motor, a rotating shaft, a go-no-go gauge and a floating screw sleeve detection auxiliary device; the motor is used for driving the go-no-go gauge to rotate, an output shaft of the motor is connected with the tail end of the rotating shaft, the front end of the rotating shaft is fixedly connected with a connector in the floating type swivel nut detection auxiliary device, and the go-no-go gauge is arranged at the other end of the connector; the go-no-go gauge is used for detecting whether the screw sleeve meets the standard or not, and the go-no-go gauge is arranged at the front end of the rotating shaft.
Preferably, the motor is slidably mounted on the sliding rail through a sliding block, and an air cylinder is arranged at the tail end of the sliding block and used for driving the sliding block to drive the motor to slide on the sliding rail along the Z direction.
Compared with the prior art, the floating type swivel nut detection auxiliary device provided by the utility model has the following beneficial effects:
the floating device can enable the first floating seat to move along the X direction and the second floating seat to move along the Y direction under the action of the universal coupler through the rotating shaft when in operation, so that the go-no-go gauge arranged at the front end of the rotating shaft can float in multiple directions, and the problem of damage to the screw sleeve or the go-no-go gauge caused by inaccurate screw sleeve placement is solved; the alignment device can keep the go-no-go gauge in the middle and concentric with the motor rotating shaft under the action of the magnetic block under the condition of not contacting with the screw sleeve.
Drawings
FIG. 1 is a perspective view of a floating swivel nut detection auxiliary device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of a floating screw sleeve detection auxiliary device according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a floating insert detection aid;
FIG. 4 is a schematic view of a floating insert detection aid connector;
FIG. 5 is a schematic structural diagram of a floating type screw sleeve detection auxiliary device and a screw sleeve detection device according to an embodiment of the present utility model;
in the accompanying drawings: 1. a base; 2. a floating mechanism; 20. a fixing plate; 21. a first guide bar; 22. a first floating mount; 23. a second guide bar; 24. a second floating seat; 25. a bearing; 26. a connector; 3. an alignment assembly; 30. a bar block; 31. a first placement bit; 32. a second placement bit; 33. a third placement bit; 34. a fourth placement bit; 4. a driving mechanism; 40. a motor base; 41. a motor; 42. a rotating shaft; 43. go-no-go gauge; 44. a connecting rod; 5. a moving mechanism; 50. a bottom plate; 51. a slide rail; 52. a first slider; 53; a second slider; 54. and (3) a cylinder.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1-3, a structure diagram of a floating screw sleeve detection auxiliary device provided by an embodiment of the present utility model includes: a base 1 and a floating device;
the floating device is arranged on the base 1, and comprises a fixed plate 20, a first floating seat 22 and a second floating seat 24, wherein the first floating seat 22 is in sliding connection with the fixed plate 20 in the X direction, and the second floating seat 24 is in sliding connection with the first floating seat 22 in the Y direction; the second floating seat 24 is rotatably provided with a connector 26 for connecting with the rotating shaft 42, and the connector 26 is used for fixing the rotating shaft 42 at the center of the second floating seat 24.
In one embodiment of the present utility model, the base 1 is used for mounting and fixing the entire floating device, and the fixing plate 20, the first floating seat 22 and the second floating seat 24 are all disposed on the base 1.
In this example, the fixing plate 20 is vertically disposed at the upper distal end of the base 1, the first floating mount 22 is slidably mounted at the mounting hole of the fixing plate 20 by the first guide bar 21 such that the first floating mount 22 can move in the X direction on the first guide bar 21, and the second floating mount 24 is slidably mounted at the distal boss of the first floating mount by the second guide bar 23 such that the second floating mount 24 can slide in the Y direction; the connecting piece passes through the bearing 25 to be set up in being located first floating seat 22 center through-hole, and second floating seat 24 center through-hole department can make logical no-go gage 43 along X, Y direction through first floating seat 22 and the second floating seat 24 that set up to avoided because of the swivel nut is placed inaccurately, lead to the swivel nut that the no-go gage 43 direction is fixed and lead to the problem that no-go gage 43 damaged.
As a preferred embodiment of the present utility model, the fixing plate 20 is a square plate with a square through hole in the middle.
In this embodiment, the fixed plate 20 is made of metal, the periphery of the fixed plate 20 is provided with a mounting hole for mounting the guide rod and a threaded hole for locking the guide rod, and the square through hole formed in the middle of the fixed plate 20 enables the first slider to slide in the fixed plate, so that the fixed plate is convenient to place and occupies a small space.
As a preferred embodiment of the present utility model, the first floating seat 22 is slidably connected to the fixed plate 20 through a first guide rod 21, the first guide rod 21 is installed in the square through hole of the fixed plate 20 along the X direction, the first floating seat 22 can slide in the square through hole of the fixed plate 20 along the X direction, a bump is disposed around a side of the first floating seat 22 opposite to the fixed plate 20, a second guide rod 23 is disposed between the bumps along the Y direction, and a first through hole for allowing the connector 26 to pass through is disposed in the middle of the first floating seat 22.
In this embodiment, the first floating seat 22 is installed in the square through hole in the middle of the fixing plate 20 through the first guide rod 21, so that the first floating seat 22 can be installed more stably, and the floating range is limited.
As a preferred embodiment of the present utility model, the second floating seat 24 is slidably disposed on the second guide rod 23, one side of the second floating seat 24 facing the fixed plate 20 is in a cross structure, the other side is provided with a boss, a second through hole for installing the connector 26 is formed in the middle of the second floating seat 24, and the connector 26 is aligned with the first through hole after being installed in place.
In this embodiment, the connection portion between the second slider and the first slider has a cross structure, which facilitates the installation of the second slider 24 and provides good overall stability.
As a preferred embodiment of the present utility model, the connector 26 is rotatably connected to the second floating seat 24, the connector 26 is ring-shaped, screw holes for mounting fixing bolts are formed in the radial direction of the connector 26 along the X direction and the Y direction, and the rotating shaft 42 passes through the middle of the connector 26 and is fixed by the fixing bolts.
In this embodiment, the connector 26 is rotatably mounted at the second through hole of the second floating seat 24 through the bearing 25, the bearing 25 is located in the second through hole, one end of the connector 26 is attached to the second floating seat 24, so that the power transmission is smoother after the rotating shaft 42 is connected with the connector 26, and the friction force between the parts is reduced through the bearing 25.
As a preferred embodiment of the utility model, the device is further provided with an alignment mechanism for centering the shaft 42.
In this embodiment, the alignment mechanism is divided into a first alignment component 3 and a second alignment component 3, and can center the rotation shaft 42.
As a preferred embodiment of the present utility model, the alignment mechanism includes a first alignment assembly 3 for aligning the first floating mount 22 and the fixed plate 20 in the X-direction; the first alignment assembly 3 comprises two strip-shaped blocks 30, the strip-shaped blocks 30 are fixedly arranged on one side, opposite to the first floating seat 22, of the fixing plate 20, a first placement position 31 is arranged in the middle of each strip-shaped block 30, first magnetic blocks are arranged in the first placement position 31, second placement positions 32, corresponding to the first placement positions 31, of the first floating seat 22, the positions and the number of the second placement positions 32 are arranged on one side, opposite to the fixing plate 20, of each fixing plate 20, and second magnetic blocks are arranged in the second placement positions 32, and the first magnetic blocks interact with the second magnetic blocks to enable the first floating seat 22 to be aligned with the fixing plate 20 in the X direction.
In this embodiment, the bar blocks 30 are all made of non-magnetic materials, which are materials without adsorption force, and do not have the original magnet structure, so that they cannot be attracted by the magnet, and it is possible to avoid the influence of the characteristics of the magnet on the centering alignment of the rotating shaft 42 after the magnet is mounted.
As a preferred embodiment of the present utility model, the apparatus further comprises a second alignment assembly 3 for aligning the second floating mount 24 with the second floating mount 24 in the Y direction; the second alignment assembly 3 includes a third magnetic block and a fourth magnetic block, a third placement position 33 is disposed on a side of the first floating seat 22 opposite to the fixed plate 20, and one third magnetic block is disposed in each third placement position 33; the second floating seat 24 is provided with fourth placing positions 34 corresponding to the third placing positions 33 in number and positions on the side facing the first floating seat 22, and one fourth magnetic block is arranged in each fourth placing position 34, and the third magnetic block interacts with the fourth magnetic block to center the second floating seat 24 with the first floating seat 22 in the Y direction.
In the present embodiment, the first floating seat 22 and the second floating seat 24 are both made of non-magnetic materials, and the non-magnetic materials are materials without adsorption force, and do not have the original magnet structure, so that they cannot be attracted by the magnet, so as to avoid affecting the alignment effect.
As shown in fig. 4, the embodiment of the utility model also provides a screw sleeve detection device; the screw sleeve detection device comprises a driving motor 41, a rotating shaft 42, a go-no-go gauge 43 and the floating screw sleeve detection auxiliary device; the motor 41 is used for rotating with the driving go-no-go gauge 43, an output shaft of the motor 41 is connected with the tail end of the rotating shaft 42, the front end of the rotating shaft 42 is fixedly connected with the connector 26 in the floating screw sleeve detection auxiliary device, and the other end of the connector 26 is provided with the go-no-go gauge 43; the go-no-go gauge comprises a go-no-go gauge and a no-go gauge, the go-no-go gauge 43 is used for detecting whether the screw sleeve meets the standard, and the go-no-go gauge 43 is installed at the front end of the rotating shaft 42.
In this embodiment, the motor 41 is a servo motor 41, so that forward rotation and reverse rotation control can be achieved, the rotating shaft 42 is connected with the connecting rod through two groups of universal couplings, and the first floating seat 22 and the second floating seat 24 can be floated through arranging the universal couplings, so that the go-no-go gauge 43 is driven to float for detection.
As a preferred embodiment of the present utility model, the motor 41 is slidably mounted on the sliding rail 51 through a slider, and an air cylinder 54 is disposed at the end of the slider, and the air cylinder 54 is used for driving the slider to drive the motor 41 to slide on the sliding rail 51 along the Z direction.
In the embodiment of the present utility model, when the cylinder 54 drives the motor 41 seat 40 to push, the motor 41 rotates clockwise, otherwise, when the cylinder 54 drives the motor 41 seat 40 to pull back, the motor 41 rotates anticlockwise; through this setting for lead to no-go gage 43 to the swivel nut when detecting, the cylinder 54 drives motor 41 seat 40 and advances, and lead to no-go gage 43 clockwise rotation, slowly precesses in the swivel nut, on the contrary, when driving motor 41 seat 40 pull back through cylinder 54, lead to no-go gage 43 reversal, slowly unscrew from in the swivel nut.
In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.
In one example of the utility model, the motor 41 drives the rotating shaft 42 to rotate, the rotating shaft 42 drives the go-no-go gauge 43 to rotate so as to detect the screw sleeve, when the motor 41 rotates forward, the air cylinder 54 pushes the sliding block provided with the motor 41 to move distally, the floating device is arranged on the sliding rail 51 through the sliding block, a connecting rod 44 is arranged between one side of the fixed plate 20 and the seat 40 of the motor 41, the air cylinder 54 pushes the motor 41 to move synchronously while driving the floating device to move synchronously, at the moment, the go-no-go gauge 43 rotates forward, when the go-no-go gauge 43 approaches the screw sleeve slowly, because the fixed position of the screw sleeve is not concentric with the go-no-go gauge 43, the go-no-go gauge 43 can float to be concentric with the screw sleeve when contacting the screw sleeve, so as to detect the screw sleeve, after detection is finished, the motor 41 rotates reversely, the air cylinder 54 retracts, the go-no-go gauge 43 rotates reversely, the go-no-go gauge 43 is slowly separated from the screw sleeve under the pulling of the air cylinder 54, the rotating shaft 42 is positioned at the centering position under the action of the first centering component 3 and the second centering component 3, so that the go-no-go gauge 43 is positioned at the centering position, when the go-no-go gauge 43 approaches the screw sleeve, at the moment, when the screw sleeve is detected, the bottom plate is positioned at the axle center, and the two detection device is arranged, and the detection device can be increased.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The floating type swivel nut detection auxiliary device is characterized by comprising a base and a floating device;
the floating device is arranged on the base and comprises a fixed plate, a first floating seat and a second floating seat, wherein the first floating seat is in sliding connection with the fixed plate in the X direction, and the second floating seat is in sliding connection with the first floating seat in the Y direction; the second floating seat is rotatably provided with a connector used for being connected with the rotating shaft, and the connector is used for fixing the rotating shaft at the center of the second floating seat.
2. The floating swivel nut detection assisting device according to claim 1, wherein the fixing plate is a square plate with a square through hole in the middle.
3. The floating swivel nut detection auxiliary device according to claim 2, wherein the first floating seat is slidably connected with the fixing plate through a first guide rod, the first guide rod is installed in the square through hole of the fixing plate along the X direction, the first floating seat can slide in the square through hole of the fixing plate along the X direction, a bump is arranged on the periphery of one side of the first floating seat opposite to the fixing plate, a second guide rod is arranged between the bumps along the Y direction, and a first through hole for allowing the connector to pass through is arranged in the middle of the first floating seat.
4. A floating swivel nut detection assisting device according to claim 3, wherein the second floating seat is slidably disposed on the second guide rod, one side of the second floating seat facing the fixing plate is in a cross structure, a boss is disposed on the other side of the second floating seat, a second through hole for installing the connector is formed in the middle of the second floating seat, and the connector is aligned with the first through hole after being installed in place.
5. The floating swivel nut detection assisting device according to claim 4, wherein the connector is rotatably connected to the second floating seat, the connector is ring-shaped, screw holes for installing fixing bolts are formed in the radial direction of the connector along the X direction and the Y direction respectively, and the rotating shaft is fixed through the fixing bolts after passing through the middle part of the connector.
6. A floating nut testing aid as claimed in claim 1, further comprising an alignment mechanism for centering the shaft.
7. The floating nut detection aid as recited in claim 6 wherein said alignment mechanism includes a first alignment assembly for aligning said first floating mount with said fixed plate in an X-direction; the first alignment assembly comprises two strip-shaped blocks, the strip-shaped blocks are fixedly arranged on one side, opposite to the first floating seat, of the fixed plate, a first placement position is arranged in the middle of each strip-shaped block, first magnetic blocks are arranged in the first placement position, the first floating seat faces one side of the fixed plate, the second placement positions corresponding to the first placement positions in position and quantity are arranged on the first floating seat, second magnetic blocks are arranged in the second placement positions, and the first magnetic blocks and the second magnetic blocks interact to enable the first floating seat and the fixed plate to be aligned in the X direction.
8. A floating nut testing aid as defined in claim 6, further comprising a second alignment assembly for aligning said second floating mount with said second floating mount in the Y-direction; the second alignment assembly comprises a third magnetic block and a fourth magnetic block, a third placement position is arranged on one side of the first floating seat, which is opposite to the fixed plate, and each third placement position is internally provided with one third magnetic block; one side of the second floating seat facing the first floating seat is provided with fourth placing positions, the number and the positions of the fourth placing positions correspond to those of the third placing positions, each fourth placing position is internally provided with a piece of fourth magnetic block, and the third magnetic block and the fourth magnetic block interact to enable the second floating seat and the first floating seat to be centered in the Y direction.
9. A screw sleeve detection device, characterized in that the screw sleeve detection device comprises a driving motor, a rotating shaft, a go-no-go gauge and a floating screw sleeve detection auxiliary device according to any one of claims 1-8; the motor is used for driving the go-no-go gauge to rotate, an output shaft of the motor is connected with the tail end of the rotating shaft, the front end of the rotating shaft is fixedly connected with a connector in the floating type swivel nut detection auxiliary device, and the go-no-go gauge is arranged at the other end of the connector; the go-no-go gauge is used for detecting whether the screw sleeve meets the standard or not, and the go-no-go gauge is arranged at the front end of the rotating shaft.
10. The thread insert detecting device according to claim 9, wherein the motor is slidably mounted on the slide rail through a slider, and a cylinder is provided at the end of the slider, and is configured to drive the slider to drive the motor to slide on the slide rail in the Z direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322498438.4U CN220750985U (en) | 2023-09-14 | 2023-09-14 | Floating type swivel nut detection auxiliary device and swivel nut detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322498438.4U CN220750985U (en) | 2023-09-14 | 2023-09-14 | Floating type swivel nut detection auxiliary device and swivel nut detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220750985U true CN220750985U (en) | 2024-04-09 |
Family
ID=90558678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322498438.4U Active CN220750985U (en) | 2023-09-14 | 2023-09-14 | Floating type swivel nut detection auxiliary device and swivel nut detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220750985U (en) |
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2023
- 2023-09-14 CN CN202322498438.4U patent/CN220750985U/en active Active
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