CN220145166U - Transmission linear bearing error proofing device based on visual technology - Google Patents
Transmission linear bearing error proofing device based on visual technology Download PDFInfo
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- CN220145166U CN220145166U CN202223421699.8U CN202223421699U CN220145166U CN 220145166 U CN220145166 U CN 220145166U CN 202223421699 U CN202223421699 U CN 202223421699U CN 220145166 U CN220145166 U CN 220145166U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 230000000007 visual effect Effects 0.000 title claims description 30
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 43
- 239000011324 bead Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The utility model discloses a transmission linear bearing error proofing device based on a vision technology, which belongs to the field of vehicle production and manufacturing, wherein a vision unit is added on the basis of a clamping positioning error proofing mechanism, and whether the feeding direction of a linear bearing is correct or not is judged by a signal fed back by the vision unit, and the linear bearing is normally pressed under the correct condition; the press-fit mechanism is used for pressing the linear bearing into the end cover accurately and stably, such as wrong feeding direction of the linear bearing, an operator can timely find and adjust the feeding direction of the linear bearing through a display diagram on the upper computer, the feeding direction of the transmission linear bearing during press-fit is guaranteed to be correct, the spring pressure head is used for buffering and aligning, and press-fit qualification is judged to be press-fit pressure and press-fit displacement. Therefore, the whole assembly, press fitting and identification processes are unified in reference, and no other errors are introduced.
Description
Technical Field
The utility model belongs to the field of vehicle production and manufacturing, and particularly relates to a transmission linear bearing error proofing device based on a vision technology.
Background
The press-fitting direction of the linear bearing has strict requirements, and the linear bearing is a linear motion system and is used for matching a linear stroke with a cylindrical shaft. The bearing ball is in point contact with the bearing sleeve, and the steel ball moves with minimum friction resistance, so that the linear bearing has small friction, is stable, does not change along with the speed of the bearing, and can obtain stable linear movement with high sensitivity and high precision. However, linear bearings also have limitations in terms of consumption, and most importantly, the bearing has poor impact load capacity and poor load carrying capacity. Therefore, if the loading direction of the bearing is wrong, the linear shaft is easy to be crushed. And the assembly direction of the linear bearing and the end cover of the speed changer has strict requirements, so that the feeding direction must be ensured to be correct when the linear bearing is pressed into the end cover.
At present, the error proofing means in the production process is mainly used for manually self-checking and error proofing, and manually checking the feeding direction of the parts. The error-proofing method has low fault tolerance rate, visual fatigue exists under artificial conditions, the efficiency is low, a large hidden quality trouble exists in the production process, and the manual error-proofing means increases the personnel cost of enterprises.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the error proofing device for the linear bearing of the transmission based on the visual technology, so as to solve the problems that before the linear bearing is pressed, whether the feeding direction of the linear bearing is correct or not needs to be checked and confirmed, the error proofing method is low in efficiency, the workload of operators is increased, and the single shift productivity of a production line is not facilitated.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
a transmission linear bearing error proofing device based on vision technology, comprising: the device comprises a frame, a press-fitting mechanism, a clamping and positioning error-proofing mechanism and a visual unit; the frame is fixed with the ground, the clamping and positioning error-proofing mechanism and the visual unit are arranged on a bottom plate on the frame workbench, the visual unit is electrically connected with the clamping and positioning error-proofing mechanism and the upper computer, the pressing mechanism is arranged above the clamping and positioning error-proofing mechanism and used for pressing the linear bearing, and a spring pressing head on the pressing mechanism is used for fixing the linear bearing;
the clamping positioning error-proofing mechanism is used for clamping and positioning the fed end cover and starting the visual unit;
the visual unit is used for shooting the bottom of the linear bearing and transmitting the bottom to the upper computer;
the upper computer is used for displaying the bottom of the linear bearing shot by the visual unit.
Preferably, the press-fitting mechanism includes: the servo press comprises a servo press guide rod, an axial positioning bearing, a servo press mounting plate and a fixing plate; the servo press mounting plate is fixed above the bottom plate through the support column, the lower end of the servo press guide rod is sleeved into the axial positioning bearing and then passes through the servo press mounting plate to be connected with the fixed plate, the servo press is arranged at the upper end of the frame and is connected with the fixed plate, and the spring pressure head is fixed on the fixed plate and is positioned above the clamping positioning error-proofing mechanism.
Preferably, the upper end of the spring pressing head is a spring, the lower end of the spring pressing head is of a hollow structure, and an expansion bead for fixing the linear bearing is arranged in the hollow cavity wall of the spring pressing head.
Preferably, the vision unit comprises: the camera comprises a light shielding plate, a vision camera adjusting rod and a light shielding plate adjusting rod; the vision camera adjusting rod and the light screen adjusting rod are arranged on the bottom plate and located at one end of the clamping and positioning error-proofing mechanism, the light screen is fixed on the light screen adjusting rod, and the vision camera is arranged on the vision camera adjusting rod and electrically connected with the upper computer and the clamping and positioning error-proofing mechanism.
Preferably, the clamping positioning error-proofing mechanism comprises: the device comprises a cylinder, a cylinder telescopic rod connecting plate, a first end cover clamping plate, a second end cover clamping plate, a cylinder fixing plate, a clamping device fixing bottom plate and a sensor unit; the clamping device fixing bottom plate is fixed on the bottom plate, the second end cover clamping plate and the air cylinder fixing plate are respectively fixed at two ends of the clamping device fixing bottom plate, the air cylinder is fixed on the air cylinder fixing plate, the end head of the telescopic rod of the air cylinder is provided with an air cylinder telescopic rod connecting plate, the first end cover clamping plate is fixed on the air cylinder telescopic rod connecting plate, and the sensor unit is arranged on the bottom plate and located on one side of the clamping device fixing bottom plate and electrically connected with the air cylinder and the vision unit.
Preferably, the sensor unit includes: the device comprises an in-place identification sensor, a buffer, a first metal sensor, a second metal sensor and a metal block; the in-place recognition sensor is arranged on one side of the clamping plate of the first end cover and used for recognizing the end cover, the metal block is fixed on the telescopic rod of the air cylinder, the first metal sensor and the second metal sensor are arranged on the sliding fixing frame on one side of the fixing bottom plate of the clamping device and are flush with the metal block, the buffer is arranged on one side of the second metal sensor and can be in contact with the metal block, and the second metal sensor is electrically connected with the visual unit.
Preferably, the distance between the first metal sensor and the second metal sensor is the stroke displacement of the second end cap clamping plate.
Preferably, a sliding rail matched with the air cylinder telescopic rod connecting plate is arranged on the bottom plate between the second end cover clamping plate and the air cylinder fixing plate.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a transmission linear bearing error proofing device based on a vision technology, which is characterized in that a vision unit is added on the basis of a clamping and positioning error proofing mechanism, and whether the feeding direction of a linear bearing is correct or not is judged through signals fed back by the vision unit, and the linear bearing is normally pressed under the condition of correct feeding direction; the press-fit mechanism is used for pressing the linear bearing into the end cover accurately and stably, such as wrong feeding direction of the linear bearing, an operator can timely find and adjust the feeding direction of the linear bearing through a display diagram on the upper computer, the feeding direction of the transmission linear bearing during press-fit is guaranteed to be correct, the spring pressure head is used for buffering and aligning, and press-fit qualification is judged to be press-fit pressure and press-fit displacement. Therefore, the whole assembly, press fitting and identification processes are unified in reference, and no other errors are introduced.
Drawings
FIG. 1 is a schematic diagram of a linear bearing press-fitting apparatus for a transmission according to the present utility model;
fig. 2 is a schematic structural diagram of a press-fitting mechanism according to the present utility model;
FIG. 3 is a schematic diagram of a structure of a clamping and positioning error proofing mechanism according to the present utility model;
FIG. 4 is a schematic diagram of a sensor and buffer layout according to the present utility model.
Wherein: 1-a servo press guide bar; 2-axially positioning the bearing; 3-a spring pressing head; 4-a light shielding plate; 5-a vision camera; 6-cylinder; 7-a cylinder telescopic rod connecting plate; 8-a first end cap clamping plate; 9-a second end cap clamping plate; 10-a vision camera adjustment lever; 11-a visor adjustment lever; 12-cylinder fixing plate; 13-clamping device fixing bottom plate; 14-an in-situ identification sensor; 15-a buffer; 16-a first metal sensor; 17-a second metal sensor; 18-metal blocks; 19-sliding rails; 20-a press-fitting mechanism; 21-clamping and positioning error-proofing mechanism.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model is described in further detail below with reference to the attached drawing figures:
the technical problem solved by the utility model is that before the linear bearing is pressed in the prior art, whether the feeding direction of the linear bearing is correct or not needs to be checked and confirmed, and the error proofing method has low efficiency, increases the workload of operators and is not beneficial to improving the single-shift productivity of the production line.
The utility model discloses a transmission linear bearing error proofing device based on visual technology, which comprises: the device comprises a frame, a press-fitting mechanism 20, a clamping and positioning error-proofing mechanism 21 and a visual unit; the frame is fixed with the ground, the clamping and positioning error-proofing mechanism 21 and the visual unit are arranged on a bottom plate on a frame workbench, the visual unit is electrically connected with the clamping and positioning error-proofing mechanism 21 and the upper computer, the pressing mechanism 20 is arranged above the clamping and positioning error-proofing mechanism 21 and used for pressing the linear bearing, and the spring pressing head 3 on the pressing mechanism 20 is used for fixing the linear bearing;
the clamping positioning error-proofing mechanism 21 is used for clamping and positioning the fed end cover and starting the vision unit;
the visual unit is used for shooting the bottom of the linear bearing and transmitting the bottom to the upper computer;
the upper computer is used for displaying the bottom of the linear bearing shot by the visual unit.
The press-fitting mechanism 20 includes: the servo press comprises a servo press guide rod 1, an axial positioning bearing 2, a servo press mounting plate and a fixing plate; the servo press mounting plate is fixed above the bottom plate through the support column, the lower end of the servo press guide rod 1 is sleeved into the axial positioning bearing 2 and then penetrates through the servo press mounting plate to be connected with the fixing plate, the servo press mounting side at the upper end of the frame is of a hollow structure, the upper end of the servo press guide rod 1 is not fixed, and the servo press guide rod 1 moves up and down along the axial positioning bearing 2 when the servo press works. The servo press is arranged at the upper end of the frame and connected with the fixed plate, and the spring pressing head 3 is fixed on the fixed plate and positioned above the clamping and positioning error-proofing mechanism 21. The fixed plate of the axial positioning bearing is integrated with the servo press mounting plate, and the power of the press-fitting mechanism is derived from the servo press; the servo press mounting plate is connected with the bottom plate through four support posts, and the servo press drives the press mounting mechanism to operate during operation.
The vision unit includes: a visor 4, a vision camera 5, a vision camera adjustment lever 10, and a visor adjustment lever 11; the vision camera adjusting rod 10 and the light screen adjusting rod 11 are arranged on the bottom plate and located at one end of the clamping and positioning error-proofing mechanism 21, the light screen 4 is fixed on the light screen adjusting rod 11, and the vision camera 5 is arranged on the vision camera adjusting rod 10 and electrically connected with the upper computer and the clamping and positioning error-proofing mechanism 21.
The clamping positioning error-proofing mechanism 21 includes: the device comprises a cylinder 6, a cylinder telescopic rod connecting plate 7, a first end cover clamping plate 8, a second end cover clamping plate 9, a cylinder fixing plate 12, a clamping device fixing bottom plate 13 and a sensor unit; the clamping device fixed bottom plate 13 is fixed on the bottom plate, the second end cover clamping plate 9 and the cylinder fixed plate 12 are respectively fixed at two ends of the clamping device fixed bottom plate 13, the cylinder 6 is fixed on the cylinder fixed plate 12, the telescopic rod end of the cylinder 6 is provided with the cylinder telescopic rod connecting plate 7, the first end cover clamping plate 8 is fixed on the cylinder telescopic rod connecting plate 7, and the sensor unit is arranged on the bottom plate and is positioned at one side of the clamping device fixed bottom plate 13 and electrically connected with the cylinder 6 and the vision unit.
The sensor unit includes: a bit recognition sensor 14, a buffer 15, a first metal sensor 16, a second metal sensor 17, and a metal block 18; the in-place recognition sensor 14 is arranged on one side of the first end cover clamping plate 8 and used for recognizing an end cover, the metal block 18 is fixed on the cylinder telescopic rod, the first metal sensor 16 and the second metal sensor 17 are arranged on the sliding fixing frame on one side of the clamping device fixing bottom plate 13 and are flush with the metal block 18, the buffer 15 is arranged on one side of the second metal sensor 17 and can be in contact with the metal block 18, the second metal sensor 17 is electrically connected with the visual unit, and a sliding rail 19 matched with the cylinder telescopic rod connecting plate 7 is arranged on the bottom plate between the second end cover clamping plate 9 and the cylinder fixing plate 12.
Referring to fig. 1 to 4, the clamping and positioning error-proofing process of the linear bearing of the transmission and the press-fitting process of the linear bearing of the transmission are as follows:
a. the clamping positioning error-proofing mechanism has the main function of checking whether the feeding direction of the linear bearing is normal or not by a visual camera before clamping positioning and press fitting after feeding of the end cover.
b. The specific construction is as follows: the vision camera adjusting lever 10, the visor adjusting lever 11, and the clamping device fixing plate 13 are all fixed to the base plate by bolts. The second end cap clamping plate 9 and the cylinder fixing plate 12 are fixed to the clamping device fixing plate 13 by bolts. The cylinder is fixed on cylinder fixed plate 12, fixed telescopic link connecting plate 7 on the telescopic link of cylinder, and first end cover clamping plate 8 is fixed on cylinder telescopic link connecting plate 7. The vision camera 5 is mounted on the vision camera adjustment lever 10, and the visor 4 is mounted on the visor adjustment lever 11.
c. After the operator places the end cap on the fixed clamping plate 9, the cylinder 6 starts to operate after the end cap is recognized by the in-place recognition sensor 14. The metal block 18 is fixed on the cylinder telescopic link, and before the cylinder works, the metal block 18 is detected by first metal sensor 16, and after the cylinder works, cylinder telescopic link connecting plate 7 and first end cover clamping plate 8 move along slide rail 19 together, and when second metal sensor 17 detects the metal block 18, the metal block also contacts with buffer 15 this moment, and second end cover clamping plate 8 slowly moves to the end cover, reaches the stroke displacement of settlement after, the vision camera starts to take a picture for the linear bearing bottom.
d. After the photographing is identified by manpower, the manual adjustment press-fitting mechanism moves downwards to start press-fitting. If the photographing identification is not qualified, the press-fitting mechanism does not act, and after the direction of the linear bearing is adjusted by an operator, the press-fitting process is continuously started after the identification is qualified.
The device can also be connected with a PLC system for use, after the vision camera starts photographing the bottom of the linear bearing, a plurality of qualified sample pictures are uploaded on the PLC, after photographing, automatic comparison is carried out, and after the comparison is passed, the press mounting mechanism starts automatic work.
The press-fitting process of the linear bearing of the speed changer comprises the following steps:
e. the spring pressure head 3 is of a hollow structure, an expansion bead is arranged in the hollow cavity wall, and after the upper end of the linear bearing of the speed changer enters the cavity wall, the linear bearing is fixed through friction force between the expansion bead on the hollow cavity wall in the spring pressure head and the linear bearing of the speed changer.
f. The end cover on the clamping positioning error-proofing mechanism 21 is placed and fixed, after error-proofing inspection is passed, the press-fitting mechanism is driven by a servo press to move downwards, and the compression device telescopic rod 1 moves downwards under the constraint of the axial positioning bearing 2 to start press-fitting. When the linear bearing of the speed changer on the pressure head 3 is contacted with the end cover on the clamping and positioning error-proofing mechanism, the spring attached to the pressure head 3 starts to act. The function of the spring is two: (1) and (5) alignment. After the linear bearing is contacted with the end cover, the alignment is completed by accurately positioning the linear bearing and the end cover through the adjustment of the spring, so that the stability in the press-fitting process is ensured; (2) the impact load of the linear bearing is reduced, and the linear bearing is buffered. Because the linear bearing has poor impact load capacity and poor bearing capacity, the linear bearing is easy to crush by direct press fitting. Under the buffering of the spring, the impact load of the press on the linear bearing is reduced, and the quality safety of the linear bearing in the press mounting process is ensured.
Further, the device can be matched with an upper computer, and the upper computer automatically recognizes whether the linear bearing shot by the vision camera is qualified or not. After the upper computer is identified to be qualified, the press-fitting mechanism is controlled to move downwards to start press-fitting. And if the upper computer is unqualified, alarming, and stopping the press-fitting mechanism, photographing and recognizing the position of the linear bearing after the operator adjusts the direction of the linear bearing, and continuing to start the press-fitting process.
Remarks: the identification positioning of the press-fitting equipment is based on the sensor and the set stroke displacement, the function of the spring pressing head 3 is buffering and alignment, and the press-fitting qualification is judged to be the press-fitting pressure and the press-fitting displacement. Therefore, the whole assembly, press fitting and identification processes are unified in reference, and no other errors are introduced.
The above is only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the claims of the present utility model.
Claims (8)
1. The utility model provides a derailleur linear bearing mistake proofing device based on vision technique which characterized in that includes: the device comprises a frame, a press-fitting mechanism (20), a clamping and positioning error-proofing mechanism (21) and a visual unit; the frame is fixed with the ground, the clamping and positioning error-proofing mechanism (21) and the visual unit are arranged on a bottom plate on the frame workbench, the visual unit is electrically connected with the clamping and positioning error-proofing mechanism (21) and the upper computer, the press-fitting mechanism (20) is arranged above the clamping and positioning error-proofing mechanism (21) and used for press-fitting the linear bearing, and the spring pressing head (3) on the press-fitting mechanism (20) is used for fixing the linear bearing;
the clamping positioning error-proofing mechanism (21) is used for clamping and positioning the fed end cover and starting the visual unit;
the visual unit is used for shooting the bottom of the linear bearing and transmitting the bottom to the upper computer;
the upper computer is used for displaying the bottom of the linear bearing shot by the visual unit.
2. The visual technology-based transmission linear bearing error proofing device according to claim 1, wherein the press-fit mechanism (20) comprises: the servo press comprises a servo press guide rod (1), an axial positioning bearing (2), a servo press mounting plate and a fixing plate; the servo press mounting plate is fixed above the bottom plate through the support column, the lower end of the servo press guide rod (1) is sleeved into the axial positioning bearing (2) and then penetrates through the servo press mounting plate to be connected with the fixing plate, the servo press is arranged at the upper end of the frame and is connected with the fixing plate, and the spring pressing head (3) is fixed above the clamping positioning error-proofing mechanism (21) on the fixing plate.
3. The visual technology-based transmission linear bearing error proofing device according to claim 1, wherein the upper end of the spring pressing head (3) is a spring, the lower end of the spring pressing head is of a hollow structure, and an expansion bead for fixing the linear bearing is arranged in the hollow cavity wall of the spring pressing head.
4. The transmission linear bearing error proofing apparatus based on vision technology of claim 1, wherein the vision unit comprises: a light shielding plate (4), a visual camera (5), a visual camera adjusting rod (10) and a light shielding plate adjusting rod (11); the vision camera adjusting rod (10) and the light screen adjusting rod (11) are arranged on the bottom plate and located at one end of the clamping and positioning error-proofing mechanism (21), the light screen (4) is fixed on the light screen adjusting rod (11), and the vision camera (5) is arranged on the vision camera adjusting rod (10) and electrically connected with the upper computer and the clamping and positioning error-proofing mechanism (21).
5. A transmission linear bearing error proofing device based on vision technology according to claim 1, characterized in that the clamping positioning error proofing mechanism (21) comprises: the device comprises a cylinder (6), a cylinder telescopic rod connecting plate (7), a first end cover clamping plate (8), a second end cover clamping plate (9), a cylinder fixing plate (12), a clamping device fixing bottom plate (13) and a sensor unit; the clamping device fixing base plate (13) is fixed on the base plate, the second end cover clamping plate (9) and the cylinder fixing plate (12) are respectively fixed at two ends of the clamping device fixing base plate (13), the cylinder (6) is fixed on the cylinder fixing plate (12), the telescopic rod end of the cylinder (6) is provided with a cylinder telescopic rod connecting plate (7), the first end cover clamping plate (8) is fixed on the cylinder telescopic rod connecting plate (7), and the sensor unit is arranged on the base plate and is located on one side of the clamping device fixing base plate (13) and electrically connected with the cylinder (6) and the vision unit.
6. The vision-based transmission linear bearing error proofing apparatus according to claim 5, wherein the sensor unit comprises: an in-place recognition sensor (14), a buffer (15), a first metal sensor (16), a second metal sensor (17) and a metal block (18); the on-site identification sensor (14) is arranged on one side of the clamping plate (8) of the first end cover and used for identifying the end cover, the metal block (18) is fixed on the telescopic rod of the air cylinder, the first metal sensor (16) and the second metal sensor (17) are arranged on the sliding fixing frame on one side of the fixing bottom plate (13) of the clamping device and are flush with the metal block (18), the buffer (15) is arranged on one side of the second metal sensor (17) and can be in contact with the metal block (18), and the second metal sensor (17) is electrically connected with the vision unit.
7. A transmission linear bearing error proofing device based on visual technology according to claim 6, characterized in that the distance between the first metal sensor (16) and the second metal sensor (17) is the stroke displacement of the second end cap clamping plate (9).
8. The transmission linear bearing error proofing device based on the visual technology according to claim 5, wherein a sliding rail (19) matched with the cylinder telescopic rod connecting plate (7) is arranged on a bottom plate between the second end cover clamping plate (9) and the cylinder fixing plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421699.8U CN220145166U (en) | 2022-12-17 | 2022-12-17 | Transmission linear bearing error proofing device based on visual technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421699.8U CN220145166U (en) | 2022-12-17 | 2022-12-17 | Transmission linear bearing error proofing device based on visual technology |
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| Publication Number | Publication Date |
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| CN220145166U true CN220145166U (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223421699.8U Active CN220145166U (en) | 2022-12-17 | 2022-12-17 | Transmission linear bearing error proofing device based on visual technology |
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| Country | Link |
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| CN (1) | CN220145166U (en) |
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- 2022-12-17 CN CN202223421699.8U patent/CN220145166U/en active Active
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