CN214098452U - Track detection device - Google Patents
Track detection device Download PDFInfo
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- CN214098452U CN214098452U CN202023163732.2U CN202023163732U CN214098452U CN 214098452 U CN214098452 U CN 214098452U CN 202023163732 U CN202023163732 U CN 202023163732U CN 214098452 U CN214098452 U CN 214098452U
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Abstract
The utility model discloses a track detection device, which is used for detecting a fastener on a track, and comprises two connected detection modules, wherein each detection module comprises a mounting seat, a shooting assembly and a track wheel assembly; the mounting seat is provided with a mounting cavity; the shooting assembly is arranged in the mounting cavity and used for acquiring and processing image information of the fastener; the track wheel assembly is arranged on the mounting seat. The utility model discloses technical scheme has realized having improved detection efficiency to the automated inspection of track fastener.
Description
Technical Field
The utility model relates to a railway machinery design and manufacturing technical field, in particular to track detection device.
Background
With the leap-type development of high-speed railways in China, the requirement on railway operation safety is higher and higher, and the requirement becomes a major subject about the life and property safety of the nation and people increasingly. Wherein, the railway fastener is lost as one of the common hidden danger of railway safety operation, because harm is comparatively secret, the detection degree of difficulty is great, threatens railway safety for a long time. The safety investment of railway departments in China for railway work is also increased year by year, and more attention is paid to fastener detection and safety investment. Therefore, it has become a very important task to achieve automatic detection for fastener loss. In the related technology, the loss detection of the fasteners in the industry is mostly based on a manual inspection method, and the method is low in efficiency, high in cost and easy to miss detection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a track detection device aims at realizing the automated inspection to the track fastener, improves detection efficiency.
In order to achieve the above object, the utility model provides a track detection device for detect the fastener on the track, track detection device is including two detection module that are connected, each detection module includes:
the mounting seat is provided with a mounting cavity;
the shooting assembly is arranged in the mounting cavity and used for acquiring and processing image information of the fastener; and
the track wheel assembly is arranged on the mounting seat.
Optionally, the through-hole has been seted up to the diapire of installation cavity, the shooting subassembly includes an at least camera subassembly and processing terminal, the camera subassembly with processing terminal data connection, the camera subassembly is located in the installation cavity, and correspond the through-hole setting, it is right to pass through the through-hole the fastener is shot.
Optionally, the diapire of installation cavity is equipped with the slide rail, the camera subassembly includes camera frame and camera, the camera is located the camera frame, one side of camera frame is equipped with the spout, the spout with slide rail sliding fit.
Optionally, the bottom wall of installation cavity has seted up two at the interval the through-hole, two the through-hole is located the relative both sides of track wheel subassembly, the shooting subassembly includes two the camera subassembly, each the camera subassembly corresponds one the through-hole setting.
Optionally, the shooting assembly further comprises a light supplementing assembly, the light supplementing assembly comprises a lamp holder and a lamp source, the lamp holder is arranged in the installation cavity and is adjacent to the through hole, the lamp holder and the camera assembly are arranged at intervals, the lamp source is connected with the lamp holder, and the light emitting side of the lamp source faces the through hole.
Optionally, the rail wheel subassembly includes support and rail wheel, the one end of support with the mount pad is in the back of the one side of installation cavity is connected, and the first shaft hole has been seted up to the other end, the second shaft hole has been seted up to the rail wheel, and the pivot is worn to establish in proper order first shaft hole with the second shaft hole.
Optionally, the rail wheel assembly further comprises a driving member, and the driving member is in transmission connection with the rail wheel to drive the rail wheel to roll.
Optionally, the mounting seat is provided with a via hole communicated with the mounting cavity, the support comprises two connecting portions, the two connecting portions are respectively arranged on two opposite sides of the via hole, and the rail wheel portion penetrates through the via hole and extends into the mounting cavity.
Optionally, each detection module further comprises a connecting rod, one end of the connecting rod is connected with the mounting seat, and the other end of the connecting rod is detachably connected with the other connecting rod.
Optionally, a spring buckle is arranged between the two connecting rods.
The utility model discloses technical scheme detects two other fasteners of rail respectively through setting up two detection module. The mount pad is formed with the installation cavity for installation and protection detecting element gather the image information of fastener through shooting the subassembly, compare image information and obtain the relevant information of fastener after handling, realize intellectual detection system. The rail wheel assembly is arranged on the mounting base, so that the rail detection device can move on the rail to detect, fasteners on the rail are automatically detected, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the track detection device of the present invention;
fig. 2 is a bottom view of an embodiment of the track detection device of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the track detection device of the present invention;
fig. 4 is a schematic structural diagram of a connecting rod in another embodiment of the track detection apparatus of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | |
123 | Light supplementing assembly | |
| 1 | Detection module | 1231 | |
|
| 11 | |
1232 | Lamp source | |
| | Mounting cavity | 13 | |
|
| 11b | Through |
131 | |
|
| 11c | Via |
132 | |
|
| 111 | |
133 | |
|
| 12 | |
14 | Connecting |
|
| 121 | |
15 | |
|
| 1211 | |
16 | |
|
| 1212 | Camera with a |
17 | |
|
| 122 | Processing terminal |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a track detection device 100.
Referring to fig. 1 and fig. 3, in an embodiment of the present invention, the track detection apparatus 100 is used for detecting a fastener on a track, the track detection apparatus 100 includes two detection modules 1 connected to each other, each detection module 1 includes a mounting base 11, a shooting assembly 12, and a track wheel 132 assembly 13; wherein, the mounting seat 11 is formed with a mounting cavity 11 a; the shooting assembly 12 is arranged in the mounting cavity 11a and used for collecting and processing image information of the fastener; rail wheel 132 assembly 13 is mounted to mount 11.
In this embodiment, the track detection apparatus 100 can detect the use condition of the fitting on the fastener, such as the absence of the elastic strip, the retraction of the elastic strip, or the floating of the bolt, and specifically, the track detection apparatus 100 includes two detection modules 1 connected to each other to respectively detect two rails on the track. The two detection modules 1 are connected to each other, so that the detection stability can be improved, and optionally, the two detection modules 1 are connected by a connecting member, which may be rod-shaped or plate-shaped, and is not limited herein. It can be understood that the connection mode between the connection member and the detection module 1 can be welding, bonding or an integrated structure, so as to improve the structural stability. Of course, the connection mode between the connecting piece and the detection module 1 may be a threaded connection, a snap connection or a latch connection, so as to improve the convenience of assembly and disassembly, and the connection mode is not limited herein.
In order to facilitate installation of the shooting assembly 12 and the rail wheel 132 assembly 13, each detection module 1 is provided with a mounting seat 11, the mounting seat 11 is provided with a mounting cavity 11a, the shooting assembly 12 is arranged in the mounting cavity 11a, and the shooting assembly 12 can be effectively protected. In order to further protect the components in the installation cavity 11a, the installation seat 11 is further provided with a shell 16, the shell 16 and the installation seat 11 enclose to form the installation cavity 11a, so that the internal devices of the installation cavity 11a are prevented from colliding with other objects, and meanwhile, impurities such as dust and the like are prevented from entering the installation cavity 11a to influence the normal operation of the internal devices, and the safety is improved.
It can be understood that shoot subassembly 12 and shoot the fastener, compare the image that obtains after will shooting with standard image, whether appear the fastener through the algorithm bullet strip disappearance, move back the bullet or the condition such as bolt floating. Optionally, the camera assembly 12 locates the fastener by identifying the tag information on the fastener, and records the location of the fastener if the fastener is damaged. Meanwhile, the installation seat 11 is arranged through the rail wheel 132 assembly 13, so that the detection module 1 can move on the rail for detection, and when the detection module 1 detects all fasteners on the rail, all damaged fastener position information recorded by the shooting assembly 12 is output in a report form, and the maintenance processing is convenient for related personnel.
Optionally, detection module 1 still is equipped with alarm 17, and alarm 17 is connected with shooting subassembly 12 electricity, and when shooting subassembly 12 detects out the fastener and appears damaging, alarm 17 sends the police dispatch newspaper, reminds relevant personnel to make corresponding processing, improves the practicality. The alarm 17 may be an audible alarm 17, a light alarm 17, or an audible and visual alarm 17, which is not limited herein as long as it can give an alarm.
The utility model discloses technical scheme detects two other fasteners of rail respectively through setting up two detection module 1. The mount pad 11 is formed with installation cavity 11a for installation and protection detection part, through the image information who shoots subassembly 12 collection fastener, obtain the relevant information of fastener after comparing the processing with image information, realize intellectual detection system. Install seat 11 with rail wheel 132 subassembly 13 for rail detection device 100 can move on the track and detect, carries out automated inspection to the fastener on the track, has improved detection efficiency.
Referring to fig. 1, in an embodiment, a through hole 11b is formed in a bottom wall of the mounting cavity 11a, the shooting component 12 includes at least one camera 1212 component 121 and a processing terminal 122, the camera 1212 component 121 is in data connection with the processing terminal 122, and the camera 1212 component 121 is disposed in the mounting cavity 11a and corresponds to the through hole 11b, so as to shoot the fastener through the through hole 11 b.
In this embodiment, in order to conveniently shoot the subassembly 12 and shoot the fastener, through-hole 11b has been seted up at the diapire of installation cavity 11a, that is to say, shoot subassembly 12 accessible through-hole 11b and shoot the fastener. In order to facilitate processing of the captured image, the capturing component 12 includes at least one camera 1212 component 121 and a processing terminal 122, the processing terminal 122 may be a microcomputer, and of course, the processing terminal 122 may also be another processing terminal 122 such as a mobile phone or a tablet, and a microcomputer is taken as an example here. It can be understood that the camera 1212 assembly 121 is connected to the microcomputer, the camera 1212 assembly 121 is disposed in the mounting cavity 11a and is disposed corresponding to the through hole 11b, the through hole 11b is rectangular, so as to provide a wider shooting area, and of course, the through hole 11b may also be circular or adapted to the shooting assembly 12. Camera 1212 subassembly 121 shoots the back through-hole 11b to the fastener, transmits image data to microcomputer, carries out data processing and generates the report form by microcomputer, improves the intellectuality.
In an embodiment, the detection module 1 is further provided with a communication module, the processing terminal 122 can be in communication connection with an external terminal through the communication module, so that real-time data sharing is realized, and meanwhile, the external terminal can also perform real-time control on the processing terminal 122, so that convenience in data processing is improved.
In an embodiment, in order to adjust the shooting position of the camera 1212, the bottom wall of the mounting cavity 11a is provided with a sliding rail 111, the camera 1212 assembly 121 includes a camera seat 1211 and the camera 1212, the camera 1212 is disposed on the camera seat 1211, and a sliding groove is disposed on one side of the camera seat 1211 and is in sliding fit with the sliding rail 111.
In this embodiment, the slide rail 111 extends from a side of the bottom wall of the mounting cavity 11a away from the other detection module 1 to a side close to the other detection module 1, that is, the extending direction of the slide rail 111 is perpendicular to the moving direction of the rail detection apparatus 100 on the rail, so that the shooting position can be adjusted conveniently. The camera 1212 assembly 121 includes a camera seat 1211 and a camera 1212, and optionally, a sliding groove is formed on one side of the camera seat 1211, and the sliding groove is slidably engaged with the sliding rail 111 to allow the camera 1212 to move. The camera 1212 is optionally a high-speed industrial camera 1212, and when the track detection apparatus 100 moves fast on the track, the high-speed industrial camera 1212 can automatically focus, clearly shoot, and improve the detection accuracy. Of course, the camera 1212 may also be a global exposure camera 1212. The connection between the camera mount 1211 and the camera 1212 may be a snap connection, a bolt connection, a latch connection, or the like, which is not limited herein.
As shown in fig. 1, in an embodiment, the bottom wall of the mounting cavity 11a is provided with two through holes 11b at intervals, the two through holes 11b are located at two opposite sides of the rail wheel 132 assembly 13, the shooting assembly 12 includes two camera 1212 assemblies 121, and each camera 1212 assembly 121 is disposed corresponding to one through hole 11 b.
In this embodiment, in order to detect the fasteners on both sides of a rail, two through holes 11b are formed at an interval on the bottom wall of the mounting chamber 11a, and the two through holes 11b are located on opposite sides of the rail wheel 132 assembly 13, that is, when the rail wheel 132 assembly 13 is placed on a rail, the two through holes 11b correspond to the fasteners on both sides of the rail. It can be understood that the camera assembly 12 includes two camera 1212 assemblies 121, each camera 1212 assembly 121 is disposed corresponding to one through hole 11b, and each camera 1212 assembly 121 shoots and detects the clip beside the rail through the through hole 11b, so as to improve the detection efficiency.
In an embodiment, the photographing assembly 12 further includes a light supplement assembly 123, the light supplement assembly 123 includes a lamp holder 1231 and a light source 1232, the lamp holder 1231 is disposed in the mounting cavity 11a and disposed adjacent to the through hole 11b, the lamp holder 1231 and the camera 1212 assembly 121 are spaced apart, the light source 1232 is connected to the lamp holder 1231, and the light emitting side of the light source 1232 faces the through hole 11 b.
In this embodiment, in order to make the captured image clearer and avoid too little light, the capturing component 12 further includes a light supplement component 123, and the light supplement component 123 includes a lamp holder 1231 and a lamp source 1232. It can be understood that the lamp socket 1231 is disposed in the mounting cavity 11a and disposed adjacent to the through hole 11b, the light source 1232 is connected to the lamp socket 1231, and the light emitting side of the light source 1232 faces the through hole 11b, that is, the light source 1232 can illuminate the fastener through the through hole 11b, so that the camera 1212 assembly 121 can take a picture more clearly. Optionally, the brightness of the light source 1232 may be adjusted so that the track detection apparatus 100 can perform detection during the day or at night. When the track detection device 100 detects in the daytime, the brightness of the light source is reduced, the energy consumption is reduced, and when the track detection device detects at night, the brightness of the light source is improved, and sufficient brightness is provided for shooting. Optionally, the lamp holder 1231 and the lamp source 1232 are connected in a bolt connection mode, a buckle connection mode or a bolt connection mode, so that the assembling and disassembling convenience is improved.
Referring to fig. 1 and fig. 2, in an embodiment, the rail wheel 132 assembly 13 includes a support 131 and a rail wheel 132, one end of the support 131 is connected to a side of the mounting base 11 opposite to the mounting cavity 11a, the other end of the support is provided with a first shaft hole, the rail wheel 132 is provided with a second shaft hole, and the rotating shaft sequentially penetrates through the first shaft hole and the second shaft hole.
In this embodiment, in order to facilitate installation of the rail wheel 132, one end of the support 131 is connected to one side of the installation seat 11, which is away from the installation cavity 11a, and the connection mode is optionally a bolt connection, it can be understood that the other end of the support 131 is provided with a first shaft hole, the rail wheel 132 is provided with a second shaft hole, the first shaft hole and the second shaft hole are sequentially penetrated through by the rotating shaft, so as to realize rolling of the rail wheel 132, and the rail wheel 132 can roll on a rail. In order to stably move the detection module 1 on a rail, the rail wheel 132 assembly 13 includes two supports 131 and two rail wheels 132, and one rail wheel 132 is disposed on one support 131, it can be understood that the connecting line direction of the two rail wheels 132 is parallel to the extending direction of the rail, so that the two rail wheels 132 can simultaneously contact the rail, and the stability is improved.
With continued reference to fig. 1, in an embodiment, the rail wheel 132 assembly 13 further includes a driving member 133, and the driving member 133 is in transmission connection with the rail wheel 132 to drive the rail wheel 132 to roll.
In this embodiment, in order to realize that the rail wheel 132 rolls, a driving member 133 is arranged to be in transmission connection with the rail wheel 132, and the driving member 133 may be a dc servo motor or an ac servo motor, and it can be understood that an output shaft of the driving member 133 is provided with a driving gear, the rail wheel 132 is provided with a rotating shaft, one end of the rotating shaft is provided with a driven gear, and the driving gear is engaged with the driven gear, so that the driving member 133 drives the rail wheel 132 to rotate, and transmission through the gear is smoother. In other embodiments, the driving connection between the driving member 133 and the rail wheel 132 may also be a belt drive or a link drive, which is not limited herein.
In an embodiment, the mounting seat 11 defines a through hole 11c communicating with the mounting cavity 11a, the support 131 includes two connecting portions respectively disposed at two opposite sides of the through hole 11c, and the rail wheel 132 partially penetrates through the through hole 11c and extends into the mounting cavity 11 a.
In this embodiment, in order to lower the center of gravity of the mounting seat 11, make it closer to the rail when moving, move more steadily, set up the via hole 11c that communicates the mounting cavity 11a at the mounting seat 11, rail wheel 132 partly passes through the via hole 11c and stretches into the mounting cavity 11a, that is to say, make the center of rail wheel 132 more be close to the mounting seat 11, the mounting seat 11 moves more steadily. It will be appreciated that, in order to facilitate the installation of the rail wheel 132, the support 131 includes two connecting portions, each of which is in an "L" shape, one end of each of which is connected to the installation base 11 by a bolt, a snap or an integral connection, and the other end of each of which extends in a direction away from the installation base 11 and is connected to the rail wheel 132. It can be understood that the two connecting portions are respectively disposed at two opposite sides of the through hole 11c, and jointly support the rail wheel 132, so that the rail wheel is uniformly stressed and can rotate smoothly.
Referring to fig. 2 and 4, in an embodiment, each detection module 1 further includes a connection rod 14, one end of the connection rod 14 is connected to the mounting base 11, and the other end is detachably connected to another connection rod 14.
In this embodiment, to facilitate the assembly and disassembly of the two detection modules 1, two connecting rods 14 are provided to connect the two mounting seats 11, respectively, and the connecting mode of the connecting rods 14 and the mounting seats 11 may be a bolt connection, a snap connection or an integrally formed structure. Meanwhile, the two connecting rods 14 can be detachably connected, the connecting mode can be threaded connection or snap connection, and certainly, a connecting piece can be arranged for connection, such as a snap connecting piece or a hinge connecting piece, and the detachable connection is only needed. Therefore, when the track detection device 100 needs to be used for detection, the two detection modules 1 can be assembled for detection, and after detection is finished, the connecting rod 14 can be disassembled through the connecting rod, so that the two detection modules 1 are separated, and the track detection device is convenient to store and carry.
In one embodiment, as shown in fig. 4, a spring catch 15 is provided between the two connecting rods 14.
In this embodiment, be equipped with spring buckle 15 between two connecting rods 14, specifically, a pot head of one connecting rod 14 is equipped with the spring, and the one end of another connecting rod 14 is equipped with spacing hole, and the inner wall in spacing hole is equipped with spacing platform, and when two connecting rods 14 interconnect, the spring is spacing in spacing platform for two connecting rods 14 stabilize the connection. It can be understood that the side of the limiting table away from the opening of the limiting hole is also provided with a guide table, and when the spring is completely compressed to the guide table, the guide table guides the spring to rebound outside the limiting hole, so that the two connecting rods 14 can be detached and separated. Further, the one end of a connecting rod 14 that is equipped with the spring is equipped with the external screw thread, and the inner wall in spacing hole still is equipped with the internal thread, and two connecting rods 14 further improve connection stability through threaded connection.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a track detection device for detect the fastener on the track, its characterized in that, track detection device is including two detection module that are connected, each detection module includes:
the mounting seat is provided with a mounting cavity;
the shooting assembly is arranged in the mounting cavity and used for acquiring and processing image information of the fastener; and
the track wheel assembly is arranged on the mounting seat.
2. The track detection device according to claim 1, wherein a through hole is formed in a bottom wall of the mounting cavity, the photographing assembly includes at least one camera assembly and a processing terminal, the camera assembly is in data connection with the processing terminal, and the camera assembly is disposed in the mounting cavity and corresponds to the through hole so as to photograph the fastener through the through hole.
3. The track detection device according to claim 2, wherein the bottom wall of the mounting cavity is provided with a slide rail, the camera assembly comprises a camera base and a camera, the camera is arranged on the camera base, one side of the camera base is provided with a slide groove, and the slide groove is in sliding fit with the slide rail.
4. The track detection device as claimed in claim 2, wherein the bottom wall of the mounting cavity is spaced apart by two through holes, the two through holes are located at opposite sides of the track wheel assembly, the camera assembly includes two camera assemblies, and each camera assembly is disposed corresponding to one through hole.
5. The track detection device according to claim 2, wherein the photographing assembly further includes a light supplement assembly, the light supplement assembly includes a lamp holder and a light source, the lamp holder is disposed in the mounting cavity and disposed adjacent to the through hole, the lamp holder and the camera assembly are disposed at an interval, the light source is connected to the lamp holder, and a light emitting side of the light source faces the through hole.
6. The track detection device according to any one of claims 1 to 5, wherein the track wheel assembly includes a support and a track wheel, one end of the support is connected to a side of the mounting base facing away from the mounting cavity, the other end of the support is provided with a first shaft hole, the track wheel is provided with a second shaft hole, and a rotating shaft sequentially penetrates through the first shaft hole and the second shaft hole.
7. The track detection device of claim 6, wherein the track wheel assembly further comprises a driving member drivingly coupled to the track wheel for driving the track wheel in a rolling motion.
8. The track detection device according to claim 6, wherein the mounting base defines a through hole communicating with the mounting cavity, the support includes two connecting portions respectively disposed on opposite sides of the through hole, and the track wheel portion extends into the mounting cavity through the through hole.
9. The track detection device of claim 1, wherein each of the detection modules further comprises a connecting rod, one end of the connecting rod is connected to the mounting base, and the other end of the connecting rod is detachably connected to another connecting rod.
10. The track detection device of claim 9, wherein a spring catch is provided between the two connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023163732.2U CN214098452U (en) | 2020-12-23 | 2020-12-23 | Track detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023163732.2U CN214098452U (en) | 2020-12-23 | 2020-12-23 | Track detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214098452U true CN214098452U (en) | 2021-08-31 |
Family
ID=77432580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023163732.2U Active CN214098452U (en) | 2020-12-23 | 2020-12-23 | Track detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214098452U (en) |
-
2020
- 2020-12-23 CN CN202023163732.2U patent/CN214098452U/en active Active
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 406A, 333 Jihua Road, Shuijing community, Jihua street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhonghui Innovation Technology Co.,Ltd. Address before: 518000 406A, 333 Jihua Road, Shuijing community, Jihua street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Zhonghui rail Intelligent Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |