CN210029001U - Ground chain type conveying system of automobile coating production line - Google Patents
Ground chain type conveying system of automobile coating production line Download PDFInfo
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- CN210029001U CN210029001U CN201920917389.4U CN201920917389U CN210029001U CN 210029001 U CN210029001 U CN 210029001U CN 201920917389 U CN201920917389 U CN 201920917389U CN 210029001 U CN210029001 U CN 210029001U
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- trolley
- chain
- load
- assembly
- slide rail
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Abstract
The utility model discloses a ground chain type conveying system of an automobile coating production line, which comprises a drying furnace and a trolley slide rail passing through the inner cavity of the drying furnace, wherein the trolley slide rail is provided with a trolley assembly; a chain assembly for driving the trolley assembly is arranged on one side of the trolley slide rail; the drying furnace comprises at least two straight line segments and at least one bending segment which is transversely arranged, and two ends of the bending segment are respectively communicated with one end of each of two adjacent straight line segments. The utility model provides a car coating line ground chain conveying system, its operation is smooth, need not all to set up actuating mechanism to each platform truck, has saved actuating mechanism quantity, reduce cost, compact structure moreover, and occupation space is few.
Description
Technical Field
The utility model relates to an automobile coating equipment field especially relates to an automobile coating production line ground chain conveying system.
Background
In modern vehicle body coating lines, it is necessary to transport vehicle bodies using conveyor rails and a trolley system. The walking of the traditional trolley is mainly driven by the power of the trolley. When the driving mechanism of the trolley is adopted, the driving mechanism not only drives the trolley to move, but also needs to move along with the trolley, so that the energy consumption is large, and the number of the driving mechanisms needed to be used is large.
In addition, although the conventional bogie can make a turn during traveling, the turning radius is affected by the overall length of the bogie. When the traveling height of the traditional trolley is increased by a large margin or is increased by a small margin, the traditional trolley needs to be matched with a lifter for transportation, the lifter is arranged more complexly, the cost is higher, and the cost of the whole transportation line cannot be effectively reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automobile coating production line ground chain conveying system, its operation is smooth, need not all to set up actuating mechanism to each platform truck, has saved actuating mechanism quantity, reduce cost, compact structure moreover, and occupation space is few.
In order to achieve the purpose, the utility model provides a ground chain type conveying system of an automobile coating production line, which comprises a drying furnace and a trolley slide rail passing through the inner cavity of the drying furnace, wherein a trolley assembly is arranged on the trolley slide rail; a chain assembly for driving the trolley assembly is arranged on one side of the trolley slide rail; the drying furnace comprises at least two straight line segments and at least one bending segment which is transversely arranged, and two ends of the bending segment are respectively communicated with one end of each of two adjacent straight line segments.
As a further improvement of the present invention, the chain assembly includes a chain slide rail disposed on one side of the trolley slide rail; the trolley slide rail and the chain slide rail are arranged in parallel; the chain sliding rail is provided with a chain assembly; the chain assembly comprises a chain, a plurality of chain steering wheels, a chain driving mechanism and a tensioning device; the chain is provided with a chain pulley matched with the chain slide rail; a plurality of push blocks are arranged on the chain at intervals.
As a further improvement of the present invention, the tensioning device comprises a guide rail and a slider which are in sliding fit with each other, a first steering wheel is hinged on the slider, and the chain is wound on the first steering wheel; one end of the guide rail is provided with a rolling shaft, a lifting rope is wound on the rolling shaft, one end of the lifting rope is connected with the sliding block, and the other end of the lifting rope is connected with a heavy hammer; the guide rail is provided with a safety limit switch.
As a further improvement of the present invention, the drying oven includes an ascending section located at the input end and a descending section located at the output end.
As a further improvement of the present invention, the drying oven comprises a first straight line section, a first bending section, a second straight line section and a second bending section; the ascending section, the first straight section, the first bending section, the second straight section, the second bending section and the descending section are communicated in sequence.
As a further improvement of the utility model, a plurality of expansion joints are arranged at intervals in the middle of the drying oven, and the expansion joints are arranged around the cross section of the drying oven; the expansion joint is arranged in a sealing way; the trolley slide rails positioned in front of and behind the expansion joint are of telescopic structures.
As a further improvement, the platform truck assembly includes a transport platform truck and secondary platform truck, a transport platform truck is including two draw carriages that two load dolly assemblies that arrange around and two draw carriages that arrange around with all be equipped with the rotation axis on the load dolly assembly, two erect the chassis between the rotation axis, two can be relative pivoted be equipped with between the load dolly assembly and connect the two flexible king-rod, two be equipped with respectively on the draw carriage can relative pivoted and two draw bars of being connected with preceding, back load dolly assemblies, the secondary platform truck is located on the chassis.
As a further improvement of the utility model, each load trolley assembly comprises two load trolleys and a load rod for connecting the two load trolleys; the two rotating shafts are respectively and vertically arranged on the two load carrying rods.
As a further improvement of the utility model, hinged components are arranged between the two traction rods and the two load-carrying trolleys and between the two ends of the telescopic middle rod and the two load-carrying trolleys; the hinge assembly comprises a transverse hinge pair which is connected with the load trolley in a relatively transverse rotating manner, and further comprises a vertical hinge pair which is connected with the traction rod and the telescopic middle rod in a relatively vertical rotating manner.
As a further improvement of the utility model, two sides of two ends of the bottom frame are provided with guide pulley assemblies, and a pulley rotating shaft is arranged between the bottom frame and the guide pulley assemblies; and second slide rails in sliding fit with the guide pulley assemblies are fixedly arranged on two sides of the trolley slide rails.
Advantageous effects
Compared with the prior art, the utility model discloses an automobile coating production line ground chain conveyor system's advantage does:
1. need not all to set up actuating mechanism to each platform truck, can drive the platform truck through the chain of platform truck one side and remove, not only move smoothly, saved actuating mechanism's quantity moreover, reduce cost. Because only the chain assembly needs power drive, the trolley has compact structure, small occupied space and greatly reduced energy consumption.
2. The pushing blocks arranged at intervals on the chain push the trolley, the trolley does not need to be connected with the chain, and the trolley can move out of the coating production line conveniently.
3. The tensioning device adopts a heavy hammer tensioning mode and is arranged outside the drying furnace. The chain tension detection device is provided with a safety limit switch to detect chain tension and has the functions of chain breakage protection and overload protection.
4. Because high-temperature gas is mainly concentrated at the top of the drying furnace, and an uphill section and a downhill section are arranged on the drying furnace, the trolley slide rail can be heightened, and the drying efficiency is improved.
5. The ascending section, the first straight line section, the first bending section, the second straight line section, the second bending section and the descending section are sequentially communicated, so that the length of an inner cavity of the drying furnace can be prolonged on the premise of not increasing the occupied area of the equipment, the enough drying time of the automobile finish paint is ensured, and the occupied area is reduced.
6. The expansion joint on the drying furnace provides space for the expansion with heat and contraction with cold of the drying furnace wall body, thereby avoiding the cracking of the drying furnace wall body and prolonging the service life of the drying furnace wall body.
7. The trolley assembly stably conveys the trolley body; the rotary shafts are arranged on the front traction trolley and the rear traction trolley, the telescopic middle rod capable of rotating relatively is arranged between the load trolley assemblies, the telescopic middle rod can freely stretch out and draw back, walking is smooth, the phenomenon that the underframe and the load trolley are interfered and are blocked is effectively avoided, adaptability is good, the turning radius of the trolley assembly is greatly reduced, and production space is saved.
8. When the driving height of the trolley assembly needs to be lifted in a small range, the trolley can ascend and descend along with the sliding rail, the using number of the lifting mechanisms is reduced, the conveying line structure is simplified, and the cost is reduced.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic plan view of the structure of a ground chain type conveying system of an automobile coating production line;
FIG. 2 is a schematic view of a chain assembly;
FIG. 3 is a schematic view of FIG. 1 taken along line B;
FIG. 4 is a schematic view taken along line A in FIG. 1;
FIG. 5 is a front view of the trolley assembly;
FIG. 6 is a side view of the trolley assembly;
FIG. 7 is a top view of the secondary trolley;
FIG. 8 is a top view of the trolley assembly;
FIG. 9 is a front view of the internal structure of the signaling rod assembly;
FIG. 10 is a left side view of the internal structure of the signaling rod apparatus;
FIG. 11 is an enlarged front view of the hinge assembly;
fig. 12 is an enlarged top view of the structure of the hinge assembly.
Detailed Description
Embodiments of the present invention will now be described with reference to the accompanying drawings.
Examples
The utility model discloses a concrete implementation mode is as shown in fig. 1 to fig. 12, a car coating line ground chain conveyor system, including the drying furnace, still including passing the platform truck slide rail 1 of drying furnace inner chamber is equipped with the platform truck assembly on the platform truck slide rail 1. A chain assembly for driving the trolley assembly is arranged on one side of the trolley slide rail 1. The drying furnace comprises at least two straight line sections and at least one bending section which is transversely arranged, and two ends of the bending section are respectively communicated with one end of each of two adjacent straight line sections.
The chain assembly comprises a chain slide rail 21 arranged at one side of the trolley slide rail 1. The trolley slide rail 1 and the chain slide rail 21 are arranged in parallel. The chain slide rail 21 is provided with a chain assembly 30. The chain assembly 30 includes a chain 31, a plurality of chain pulleys 32, a chain drive mechanism 33 and a tensioner 34. The chain 31 is provided with a chain pulley 35 adapted to the chain slide 21. A plurality of pushing blocks 311 are arranged at intervals on the chain 31. The chain drive mechanism 33 and the tensioning device 34 are both located outside the oven. The trolley slide rail 1 and the chain slide rail 21 are both made of I-shaped steel. The chain pulleys 35 are provided in pairs and located on both sides of the chain slide 21, respectively.
The tensioning device 34 comprises a guide rail 341 and a sliding block 342 which are slidably engaged with each other, a first steering wheel 343 is hinged on the sliding block 342, and the chain 31 is wound on the first steering wheel 343. One end of the guide rail 341 is provided with a roller 344, a lifting rope is wound on the roller 344, one end of the lifting rope is connected with the slider 342, and the other end is connected with a heavy hammer. The guide rail 341 is provided with a safety limit switch. The safety limit switch may be formed as a sensing switch for sensing the position of the slider 342. For example, two safety limit switches are arranged in the length direction of the guide rail 341 to ensure that the sliding block 342 works between the two safety limit switches. When the slider 342 is out of this range, an alarm may be generated by the control system.
The oven includes an uphill section 24 at the input end and a downhill section 29 at the output end.
The oven includes a first straight section 25, a first curved section 26, a second straight section 27 and a second curved section 28. The uphill section 24, the first straight section 25, the first curved section 26, the second straight section 27, the second curved section 28 and the downhill section 29 are sequentially communicated.
A plurality of expansion joints 40 are arranged at intervals in the middle of the drying oven, and the expansion joints 40 are arranged around the cross section of the drying oven. The expansion joint 40 is arranged in a sealing way. The trolley slide rail 1 positioned in front of and behind the expansion joint 40 is of a telescopic structure.
The trolley assembly comprises a primary conveying trolley arranged on a sliding rail 1 and a secondary trolley used for positioning a workpiece, the sliding rail 1 is of an I-steel structure, the primary conveying trolley comprises two load trolley assemblies 2 arranged in front and back and two traction trolleys 4 arranged in front and back, rotating shafts 3 are arranged on the two load trolley assemblies 2, an underframe 5 is erected between the two rotating shafts 3, a telescopic middle rod 6 for connecting the two load trolley assemblies 2 is arranged between the two load trolley assemblies 2 in a relatively rotating mode, traction rods 7 which can rotate relatively and are connected with the front load trolley assembly 2 and the rear load trolley assembly 2 are arranged on the two traction trolleys 4 respectively, the secondary trolley is arranged on the underframe 5, and the secondary trolley moves along with the primary conveying trolley; in the trolley assembly, the underframe 5 is connected with the two load-carrying trolley assemblies 2 in a relatively rotatable manner through the rotating shaft 3, and two ends of the telescopic middle rod 6 and the two load-carrying trolley assemblies 2 can rotate transversely and vertically relatively, so that when the load-carrying trolley assemblies 2 turn or go up or down a slope, the axis of the load-carrying trolley assemblies 2 and the telescopic middle rod 6 form a certain included angle, the telescopic middle rod 6 is lengthened to adapt to the change of the sliding direction of the load-carrying trolley assemblies 2, the underframe 5 and the rotating shaft 3 are prevented from being interfered and clamped to influence the rotation of the load-carrying trolley assemblies 2, and the adaptability is good; and the load-carrying trolley assembly 2 is dragged to rapidly slide on the slide rail 1 through the traction trolley 4. The pushing block 311 on the chain 31 pushes the bottom frame 5, thereby driving the trolley assembly to advance.
The rotating shaft 3 is a rotating pin component which can relatively rotatably connect the load trolley assembly 2 and the underframe 5, and the underframe 5 and the load trolley assembly 2 can be axially limited by being sleeved on the rotating shaft 3 through a nut structure.
In the embodiment, each load trolley assembly 2 comprises two load trolleys 201 and a load rod 202 connecting the two load trolleys 201, and the load trolleys 201 and the load rod 202 can be hinged in a relative transverse rotation manner, i.e. can swing in a left-right relative manner; the two rotating shafts 3 are respectively vertically arranged on the two load carrying rods 202, and the underframe 5 is sleeved on the rotating shafts 3.
In this embodiment, the hinge assemblies 8 are respectively disposed between the two draw bars 7 and the two load trolleys 201 and between the two ends of the middle telescopic bar 6 and the two load trolleys 201, each hinge assembly 8 includes a transverse hinge pair 801 which can be relatively and transversely rotatably connected with the load trolleys 201, and further includes a vertical hinge pair 802 which can be relatively and vertically rotatably connected with the draw bars 7 and the middle telescopic bar 6, that is, the middle telescopic bar 6, the draw bars 7 and the load trolleys 201 can be relatively steered left and right or up and down through the transverse hinge pairs 801 and the vertical hinge pair 802.
In this embodiment, the load trolley 201 and the traction trolley 4 both include a wheel seat, a vertical shaft and a pulley, the vertical shaft is hinged to the load rod 202 and the traction rod 7, the slide rail 1 is of an i-steel structure, the two sides of the bottom of the wheel seat are provided with support legs, the inner sides of the two support legs are provided with pulleys adapted to the bottom plate of the i-steel structure, the two support legs are provided with guide wheels adapted to the two sides of the vertical plate of the i-steel structure, when the load trolley 201 and the traction trolley 4 turn, the guide wheels guide the vertical plate of the i-steel structure to prevent the pulleys from rubbing against the vertical plate, and the limiting function is achieved, so that the left-right shaking of the trolley in the operation.
In this embodiment, the towing trolley 4 is provided with a hanging plate, the hanging plate is provided with a through hole, and the hanging plate can be hinged to other towing equipment.
In this embodiment, two sides of two ends of the bottom frame 5 are provided with guide pulley assemblies 11, the guide pulley assemblies 11 are slidably connected with guide rails on two sides of the bottom frame 5, and a pulley rotating shaft 10 is arranged between the bottom frame 5 and the guide pulley assemblies 11. The two sides of the trolley slide rail 1 are fixedly provided with second slide rails 23 which are in sliding fit with the guide pulley assemblies 11. One end of the pulley rotating shaft 10 is connected with the guide pulley assembly 11, and the other end of the pulley rotating shaft is connected with the underframe 5 through threads; the guide pulley assembly 11 is matched with an external guide rail, supports two sides of the bottom frame 5, prevents the bottom frame 5 from shaking towards two sides during moving, and ensures stable transportation of workpieces.
In this embodiment, the two ends of the bottom frame 5 are vertically provided with the connecting pin shafts 9, the secondary trolley is arranged on the two connecting pin shafts 9, the connecting pin shafts 9 are provided with supporting steps, and the secondary trolley is stably supported through the supporting steps.
In this embodiment, the secondary trolley comprises a bracket 12 arranged on two connecting pin shafts 9, a positioning pin 13 arranged at the front end of the bracket 12 and two supporting seats 20 arranged at the rear end of the bracket 12, the workpiece is quickly positioned with the bracket 12 through the positioning pin 13, then the workpiece is stably supported through the supporting seats 20, and the supporting seats 20 are provided with limiting structures for limiting the workpiece and preventing the workpiece from sliding out of the bracket 12.
In this embodiment, the two sides of the front end of the bracket 12 are provided with the number sending rod device 14, the number sending rod device 14 comprises a mounting seat 15 connected with the bracket 12, a rotatable maintenance deflector rod 16 is arranged at the bottom of the mounting seat 15, a worker pulls the maintenance deflector rod 16 downwards to make the maintenance deflector rod 16 protrude out of the bottom surface of the mounting seat 15, and during the movement of the secondary trolley, the maintenance deflector rod 16 will sense a sensor device on an external guide rail, so that the sensor device sends out a signal to control the primary conveying trolley to slide to a designated station. When the automobile body workpiece needs to be checked again or processing fails, the signaling rod device 14 is usually used to convey the automobile body workpiece to a specified position and stop the processing of the next process of the workpiece, so as to avoid waste.
In this embodiment, one end of the maintenance shift lever 16 is bent downward, a rotating shaft hinged to the mounting seat 15 is disposed at the bent position of the maintenance shift lever 16, a first limiting rod 18 and a second limiting rod 19 are disposed on the mounting seat 15 and can respectively fit with the bent ends of the maintenance shift lever 16 and the maintenance shift lever 16, and a limiting spring 17 connected with the bent end of the maintenance shift lever 16 is disposed on the first limiting rod 18.
The bottom end of the mounting seat 15 is opened and provided with guide grooves which are matched with two sides of the maintenance deflector rod 16, the rotating shaft, the first limiting rod 18 and the second limiting rod 19 are arranged on two side walls of the guide grooves, and when the maintenance deflector rod 16 turns upwards, the limiting spring 17 tensions the bent end of the maintenance deflector rod 16 so that the maintenance deflector rod 16 is abutted against the first limiting rod 18; when the maintenance shift lever 16 is turned downwards, the limit spring 17 tensions the bent end of the maintenance shift lever 16, so that the bent end of the maintenance shift lever 16 abuts against the second limit rod 19.
The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.
Claims (10)
1. The ground chain type conveying system of the automobile coating production line comprises a drying furnace and is characterized by further comprising a trolley slide rail (1) penetrating through an inner cavity of the drying furnace, wherein a trolley assembly is arranged on the trolley slide rail (1); a chain assembly for driving the trolley assembly is arranged on one side of the trolley sliding rail (1); the drying furnace comprises at least two straight line segments and at least one bending segment which is transversely arranged, and two ends of the bending segment are respectively communicated with one end of each of two adjacent straight line segments.
2. The ground chain conveyor system of the automobile coating production line according to claim 1, wherein the chain assembly comprises a chain slide rail (21) arranged on one side of the trolley slide rail (1); the trolley slide rail (1) and the chain slide rail (21) are arranged in parallel; a chain assembly (30) is arranged on the chain slide rail (21); the chain assembly (30) comprises a chain (31), a plurality of chain steering wheels (32), a chain driving mechanism (33) and a tensioning device (34); the chain (31) is provided with a chain pulley (35) matched with the chain slide rail (21); a plurality of push blocks (311) are arranged on the chain (31) at intervals.
3. The ground chain conveyor system of the automobile painting production line according to claim 2, characterized in that the tensioning device (34) comprises a guide rail (341) and a sliding block (342) which are in sliding fit with each other, a first steering wheel (343) is hinged on the sliding block (342), and the chain (31) is wound on the first steering wheel (343); one end of the guide rail (341) is provided with a roller (344), a lifting rope is wound on the roller (344), one end of the lifting rope is connected with the sliding block (342), and the other end of the lifting rope is connected with a heavy hammer; the guide rail (341) is provided with a safety limit switch.
4. An automotive painting line floor chain conveyor system according to claim 1, 2 or 3, characterised in that the drying oven comprises an uphill section (24) at the input end and a downhill section (29) at the output end.
5. The ground chain conveyor system of claim 4, wherein the drying oven comprises a first straight section (25), a first curved section (26), a second straight section (27) and a second curved section (28); the ascending section (24), the first straight section (25), the first bending section (26), the second straight section (27), the second bending section (28) and the descending section (29) are communicated in sequence.
6. The ground chain conveying system of the automobile coating production line according to claim 1, 2 or 5, characterized in that a plurality of expansion joints (40) are arranged at intervals in the drying oven, and the expansion joints (40) are arranged around the cross section of the drying oven; the expansion joint (40) is arranged in a sealing way; the trolley slide rails (1) positioned in front of and behind the expansion joint (40) are of telescopic structures.
7. The ground chain type conveying system of the automobile coating production line is characterized in that the trolley assembly comprises a primary conveying trolley and a secondary trolley, the primary conveying trolley comprises two load trolley assemblies (2) arranged in front and back and two traction trolleys (4) arranged in front and back, rotating shafts (3) are arranged on the two load trolley assemblies (2), an underframe (5) is erected between the two rotating shafts (3), a telescopic middle rod (6) for connecting the two load trolley assemblies (2) is arranged between the two load trolley assemblies (2) in a relatively rotating mode, traction rods (7) which can rotate relatively and are connected with the front load trolley assembly (2) and the rear load trolley assembly (2) are arranged on the two traction trolleys (4), and the secondary trolley is arranged on the underframe (5).
8. The ground chain conveyor system of the automobile coating line according to claim 7, wherein each load trolley assembly (2) comprises two load trolleys (201) and a load bar (202) connecting the two load trolleys (201); the two rotating shafts (3) are respectively and vertically arranged on the two load carrying rods (202).
9. The ground chain conveyor system of the automobile painting production line according to claim 8, wherein a hinge assembly (8) is arranged between the two draw bars (7) and the two load-carrying trolleys (201) and between the two ends of the telescopic middle bar (6) and the two load-carrying trolleys (201); the hinge assembly (8) comprises a transverse hinge pair (801) which is connected with the load-carrying trolley (201) in a relatively transverse rotating mode, and further comprises a vertical hinge pair (802) which is connected with the traction rod (7) and the telescopic middle rod (6) in a relatively vertical rotating mode.
10. The ground chain conveying system of the automobile coating production line according to claim 8, wherein guide pulley assemblies (11) are arranged on two sides of two ends of the bottom frame (5), and a pulley rotating shaft (10) is arranged between the bottom frame (5) and the guide pulley assemblies (11); and second sliding rails (23) which are in sliding fit with the guide pulley assemblies (11) are fixedly arranged on two sides of the trolley sliding rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917389.4U CN210029001U (en) | 2019-06-18 | 2019-06-18 | Ground chain type conveying system of automobile coating production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917389.4U CN210029001U (en) | 2019-06-18 | 2019-06-18 | Ground chain type conveying system of automobile coating production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210029001U true CN210029001U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920917389.4U Expired - Fee Related CN210029001U (en) | 2019-06-18 | 2019-06-18 | Ground chain type conveying system of automobile coating production line |
Country Status (1)
| Country | Link |
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| CN (1) | CN210029001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127316A (en) * | 2019-06-18 | 2019-08-16 | 广东灿腾智能设备有限公司 | A ground chain conveyor system for an automobile painting production line |
-
2019
- 2019-06-18 CN CN201920917389.4U patent/CN210029001U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127316A (en) * | 2019-06-18 | 2019-08-16 | 广东灿腾智能设备有限公司 | A ground chain conveyor system for an automobile painting production line |
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Effective date of registration: 20230412 Address after: 707, Building 32, Yuezhong Community, No. 8, Zhuzilin 6th Road, Zhulin Community, Xiangmihu Street, Futian District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Zhongxing Yongsheng Communication Technology Co.,Ltd. Address before: 510000 Room 201, building 4, No. 2, scientific research road, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee before: GUANGDONG CANTENG INTELLIGENT EQUIPMENT Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |