CN103802086A - Inspection robot - Google Patents
Inspection robot Download PDFInfo
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- CN103802086A CN103802086A CN201410053703.0A CN201410053703A CN103802086A CN 103802086 A CN103802086 A CN 103802086A CN 201410053703 A CN201410053703 A CN 201410053703A CN 103802086 A CN103802086 A CN 103802086A
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Abstract
An inspection robot comprises a supporting frame body, a driving mechanism and a guiding wheel mechanism closely stuck to the orbital wall, wherein the driving mechanism comprises a driving device with adjustable actuating speed, a differential mechanism and at least two groups of marching wheels. The driving device is connected with the differential mechanism in a transmission mode, the differential mechanism is arranged between the marching wheels and is connected with the marching wheels in a transmission mode, and the driving device, the differential mechanism and the marching wheels are all arranged on the supporting frame body respectively. The guiding wheel mechanism closely stuck to the orbital wall comprises at least two groups of guiding wheel components which are arranged on the supporting frame body. According to the inspection robot, the driving device drives the differential mechanism and the differential mechanism drives the marching wheel so that multi-driving can be achieved, uphill slipping and difficulty in repeated positioning can be avoided, braking performance can be improved and turning capability can be improved, and the guiding wheel mechanism is closely stuck to the orbit so that waggle in the robot can be avoided, shock absorption and cushioning function which absorb goggling and shaking of the robot caused by unflatness of the orbital wall can be achieved, and stability and security in the operation of the inspection robot can be improved.
Description
Technical field
The present invention relates to power circuit polling apparatus field, particularly relate to a kind of crusing robot.
Background technology
Along with construction and the fast development of urban electric power facility, domestic many cities adopt buried cable electric energy transmitting in succession, have improved urban look, have alleviated bottom surface and have set up the contradiction between space.Power cable in electric power tunnel and the safe operation of various electric power facilities directly affect the reliability and stability of this power supply, so patrolling and examining of tunnel is most important.
In cable tunnel, have the hazards such as fire, water logging, pernicious gas, traditional routine inspection mode is take manually as main, and danger is large, therefore efficiency low, and crusing robot is applied and given birth to.Crusing robot can be realized the automatic monitoring of fire, pernicious gas etc. to electric power tunnel, has changed personal monitoring's mode in the past, has reduced labour intensity, has reduced the danger of work, has improved operating efficiency and has reduced cost.
Usually, crusing robot adopts electric hoist walking mechanism, formed by two driving wheels, two driven pulleys, travelling gear and motors, but electric hoist walking mechanism while turning rigid gear occur to push with track and make vehicle body turning difficulty and serious wear.
Summary of the invention
Based on this, while being necessary to turn for electric hoist walking mechanism, rigid gear and track occur to push and make vehicle body turning difficulty and serious wear problem, and a kind of crusing robot is provided.
A kind of crusing robot, comprising:
Supporting frame;
Driving mechanism, comprise the adjustable drive unit of actuating speed, differential mechanism and at least two group travel wheel, described drive unit and described differential mechanism are in transmission connection, described differential mechanism is arranged between described travel wheel, and be in transmission connection with described travel wheel, described drive unit, differential mechanism and travel wheel are all installed on support frame as described above body;
Be adjacent to the type leading wheel framework of orbit sidewall, comprise at least two group guide wheel assemblies, described guide wheel assemblies is all installed on support frame as described above body.
Therein in an embodiment, support frame as described above body comprises base plate, and be vertically connected at the first side plate and second side plate of described base plate, described drive unit is installed on described the first side plate, described differential mechanism is installed on described base plate, described travel wheel is installed on described the first side plate and the second side plate by runner shaft, and described guide wheel assemblies is installed on described the first side plate and the second side end.
Therein in an embodiment, described drive unit comprises drive motors and decelerator, described drive motors and described decelerator are in transmission connection, and described decelerator and described differential mechanism are in transmission connection, and described drive motors and described decelerator are all installed on described the first side plate.
Therein in an embodiment, described drive unit also comprises transmission component, described transmission component comprises driving gearshaft, the first gear and the second gear, described driving gearshaft one end is connected rotationally with described the second side plate, the other end and described decelerator are in transmission connection, described differential mechanism and described driving gearshaft are in transmission connection, described the first gear and the second gear are installed on described the first side plate, described the first gear and described differential mechanism are in transmission connection, described the second gear engages with described the first gear, described runner shaft is rotationally connected with described the first side plate and the second side plate, described travel wheel is installed on described runner shaft, described travel wheel is connected with described the second gear drive.
Therein in an embodiment, described guide wheel assemblies comprises installing rack, hinge mount, bolster and directive wheel, described installing rack is fixedly connected on support frame as described above body, described hinge mount is articulated with described installing rack, described installing rack is fixed in described Buffer Unit one end, the other end is fixed on described hinge mount, and described directive wheel is connected in described hinge mount rotationally.
Therein in an embodiment, described guide wheel assemblies also comprises the first mandrel, described installing rack comprises fixed part and installation portion, described installation portion is convexly set in described fixed part end, and relatively described installation portion axis is symmetrical arranged, described installation portion offers installing hole, and described hinge mount offers hinge axis hole, described the first mandrel through described installing hole and hinge axis hole by hinged to described hinge mount and described installation portion.
In an embodiment, described bolster comprises torsion spring therein, and described torsion spring set is located at described hinge mount and the hinged hinge of described installing rack, and described installing rack is fixed in described torsion spring one end, and the other end is fixed on described hinge mount.
In an embodiment, described guide wheel assemblies also comprises stop screw therein, and described stop screw is arranged at described installing rack end, is positioned at described hinge mount along on the path of hinge rotation.
In an embodiment, described hinge mount end is provided with the second mandrel therein, and described directive wheel is sheathed on described the second mandrel.
In an embodiment, described the second mandrel end is provided with jump ring therein.
Above-mentioned crusing robot, comprise driving mechanism and type leading wheel framework, driving mechanism comprises the adjustable drive unit of actuating speed, differential mechanism and at least two group travel wheel, and differential mechanism is arranged between travel wheel, and the type leading wheel framework that can be adjacent to track is installed on supporting frame.So, drive unit drives differential mechanism, differential mechanism transmission travel wheel, realize and drive driving more, avoided that crusing robot upward slope skids, uphill gradient is little, the phenomenon of resetting difficulty, and robot operation is more steady, prevented the unsettled idle running of driving wheel and caused situation about cannot walk, braking ability strengthens, and has improved cornering ability.Differential mechanism can make interior outer row enter wheel driving and speed difference simultaneously, and accelerate in outside, and slowing down in inner side, realizes and stablize, turn fast.Type leading wheel framework can be adjacent to track, in the time that crusing robot is turned, crusing robot is not rocked, and guarantees steady excessively curvedly, has improved the operating stability of crusing robot and security.
Accompanying drawing explanation
Fig. 1 is the structural representation of the crusing robot of an embodiment;
Fig. 2 is the work schematic diagram that the crusing robot of an embodiment is installed on track;
Fig. 3 is the structural representation of the guide wheel assemblies of the crusing robot of an embodiment.
The specific embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
As shown in figures 1 and 3, a kind of crusing robot, comprises supporting frame 110, driving mechanism 120 and type leading wheel framework, and driving mechanism 120 comprises the adjustable drive unit of actuating speed 122, differential mechanism 124 and at least two group travel wheel 126.Drive unit 122 is in transmission connection with differential mechanism 124, and differential mechanism 124 is arranged between travel wheel 126, and is in transmission connection with travel wheel 126, and drive unit 122, differential mechanism 124 and travel wheel 126 are all installed on supporting frame 110.Type leading wheel framework comprises at least two group guide wheel assemblies 130, and guide wheel assemblies 130 is all installed on supporting frame 110.
Supporting frame 110 can adopt metal to make, and also can adopt the macromolecular material with higher mechanical strength to make, as carbon fibre material is made.In the present embodiment, adopt carbon fibre material, supporting frame 110 tensile strength that carbon fibre material is made are high, density is little, lightweight, in crusing robot motion process, not only play a supporting role, also reduce the weight of crusing robot and played the effect of damping.
It may be noted that, driving mechanism 120 at least comprises two groups of travel wheel 126, differential mechanism 124 is arranged between travel wheel 126, and every group of travel wheel 126 is divided into differential mechanism 124 both sides, and differential mechanism 124 drives with the 4 wheel driven that being in transmission connection of travel wheel 126 realized crusing robot.While turning due to crusing robot, outboard wheel is larger than nearside wheel displacement, and outboard wheel has sliding phenomenon, the nearside wheel phenomenon of trackslipping of dragging, and so, the slip of wheel causes serious wear and increases power and energy consumption, makes to turn to difficulty, braking ability variation.Differential mechanism 124 can make interior outer row enter wheel 126 to drive and speed difference simultaneously, and accelerate in outside, slows down in inner side, realize stable, turn fast, drive driving more and can realize stable climbing fast, solve skid serious, the problem of resetting.
Above-mentioned crusing robot, comprise driving mechanism 120 and type leading wheel framework, driving mechanism 120 comprises the adjustable drive unit of actuating speed 122, differential mechanism 124 and at least two group travel wheel 126, differential mechanism 124 is arranged between travel wheel 126, and the type leading wheel framework that can be adjacent to track 140 is installed on supporting frame 110.Drive unit 122 drives differential mechanism 124, differential mechanism 124 transmission travel wheel 126, realize and drive driving more, avoided that crusing robot upward slope skids, uphill gradient is little, the phenomenon of resetting difficulty, and robot operation is more steady, prevent the unsettled idle running of driving wheel and caused situation about cannot walk, in addition, in turning process, braking ability strengthens, and has improved cornering ability.Differential mechanism 124 can make interior outer row enter wheel 126 driving and speed difference simultaneously, and accelerate in outside, and slowing down in inner side, realizes and stablize, turn fast.
Type leading wheel framework can be adjacent to track 140, in the time that crusing robot is turned, crusing robot is not rocked, guarantee steady excessively curved, and can play damping and cushioning effect and absorb the shake of the caused crusing robot of track 140 sidewall out-of-flatness and rock, improve the operating stability of crusing robot and security.
Refer to Fig. 1, therein in an embodiment, supporting frame 110 comprises base plate 112 and is vertically connected at the first side plate 114 and second side plate 116 of base plate 112, drive unit 122 is installed on the first side plate 114, differential mechanism 124 is installed on base plate 112, travel wheel 126 is installed on the first side plate 114 and the second side plate 116 by runner shaft 128, and guide wheel assemblies 130 is installed on the first side plate 114 and the second side plate 116 ends.So, the first side plate 114 and the second side plate 116 can support travel wheel 126, have increased rigidity, have reduced crusing robot vibrations at the volley.
Be appreciated that the first side plate 114 and the second side plate 116 also can out of plumb be connected in base plate 112, as long as realize being connected of the first side plate 114 and the second side plate 116 and base plate 112, can support travel wheel 126 and drive unit 122.In other embodiments, also can not comprise base plate 112, employing fixed central spindle etc. is connected the first side plate 114 with the second side plate 116, realize and have supporting role.
Refer to Fig. 1 and Fig. 3, therein in an embodiment, drive unit 122 comprises drive motors 1222 and decelerator 1224, drive motors 1222 is in transmission connection with decelerator 1224, decelerator 1224 is in transmission connection with differential mechanism 124, and drive motors 1222 is all installed on the first side plate 114 with decelerator 1224.Drive motors 1222 is selected has higher high low speed overall efficiency, and has very strong overload capacity, the large fast motor of detent torque, torque response.Because environment facies are to poor in tunnel, drive motors 1222 also should be firm reliable, has certain dust and water protection ability.
Because crusing robot speed in the time starting and climb is lower, but require moment larger, when normal operation, moment is less, and speed is very high, the characteristic of permanent power when high speed, decelerator 1224 can reduce motor speed and increase torque, to satisfy the demands, also can be used under specific circumstances speedup, as adopted gear reduction unit.So, drive unit 122 can guarantee the speed of crusing robot and moment adjustable, and guarantee climbing and turn time operate steadily, braking is high, has improved the stability of crusing robot.
Refer to Fig. 1, therein in an embodiment, driving mechanism 120 also comprises transmission component 1226, transmission component 1226 comprises driving gearshaft 1225, the first gear 1227, the second gear 1228 and runner shaft 128, driving gearshaft 1225 one end are connected rotationally with the second side plate 116, the other end and decelerator 1224 are in transmission connection, differential mechanism 124 is in transmission connection with driving gearshaft 1225, the first gear 1227 and the second gear 1228 are installed on the first side plate 114, the first gear 1227 is in transmission connection with differential mechanism 124, the second gear 1228 engages with the first gear 1227, runner shaft 128 is connected in the first side plate 114 and the second side plate 116 rotationally, travel wheel 126 and the second gear 1228 are in transmission connection, travel wheel 126 is installed on runner shaft 128.
In the present embodiment, insert in decelerator 1224 driving gearshaft 1225 one end, the other end is connected in the second side plate 116 rotationally, driving gearshaft 1225 middle parts are provided with gear, differential mechanism 124 is divided into the both sides of driving gearshaft 1225, with driving gearshaft 1225 gear drives, the output shaft of differential mechanism 124 is connected in respectively the first side plate 114 and the second side plate 116 rotationally, the first gear 1227 middle parts offer fixing hole, match with the output shaft of differential mechanism 124, the first gear 1227 is fixed on the first side plate 114 and the second side plate 116 by the output shaft of differential mechanism 124.
The wheel hub of travel wheel 126 is connected with the second gear 1228 by positioning boss (not shown), bolt is fixed travel wheel 126 and the second gear 1228 through boss, the second gear 1228 engages with the first gear 1227, and the runner shaft 128 of travel wheel 126 is fixed on the first side plate 114 and the second side plate 116 by flange.So, drive unit 122 drives differential mechanism 124, and differential mechanism 124 transmission travel wheel 126 realize and drive driving more, avoided crusing robot to go up a slope skidding, uphill gradient is little, the phenomenon of resetting difficulty, and robot operation is more steady, has prevented the unsettled idle running of driving wheel and has caused situation about cannot walk, in addition, in turning process, braking ability strengthens, and has improved cornering ability.Differential mechanism 124 can make interior outer row enter wheel 126 driving and speed difference simultaneously, and accelerate in outside, and slowing down in inner side, realizes and stablize, turn fast.
Output shaft that is appreciated that driving gearshaft 1225, runner shaft 128, differential mechanism 124 etc. is all fixedly connected with the second side plate 116 with the first side plate 114 by bearing.In the present embodiment, supporting frame 110 can not need base plate 112, the first side plate 114 and the second side plate 116 are fixed the first side plate 114 and the second side plate 116 by output shaft, the runner shaft 128 of travel wheel 126 etc. of fixed central spindle, driving gearshaft 1225, differential mechanism 124, play and support and connection function, saved processing cost.
Refer to Fig. 2, therein in an embodiment, guide wheel assemblies 130 comprises installing rack 132, hinge mount 134, bolster 136 and directive wheel 138, installing rack 132 is fixed on supporting frame 110 ends, hinge mount 134 is articulated with installing rack 132, installing rack 132 is fixed in Buffer Unit one end, and the other end is fixed on hinge mount 134, and directive wheel 138 is connected in hinge mount 134 rotationally.
It should be noted that, directive wheel 138 can adopt flexible material to make, high temperature resistant, wear-resisting, can adapt to the poor environment of tunnel track 140, as polyformaldehyde (Polyoxymethylene, POM).Also can be provided with flexible layer at directive wheel 138 skins in employing, play cushioning effect, be adjacent to track 140 sidewalls, crusing robot is not rocked, improve safety and stability.
Refer to Fig. 2, therein in examples of implementation, directive wheel 138 assemblies 130 also comprise the first mandrel 139, installing rack 132 comprises fixed part and installation portion, installation portion is convexly set in fixed part end, and installation portion axis is symmetrical arranged relatively, and installation portion offers installing hole (not shown), hinge mount 134 offers hinge axis hole (figure do not look), the first mandrel 139 through installing hole with hinge axis hole by hinged to hinge mount 134 and installation portion.
In the present embodiment, as shown in Figure 2, installation portion offers four installing holes, by bolt, installation portion is fixed on to supporting frame 110, and fixed part is convexly set in the lateral margin of the end of fixed part, and installation portion axis is symmetrical arranged relatively.So, hinge mount 134 can be articulated with installing rack 132, in the time turning, installing rack 132 rotates relatively, make directive wheel 138 can be adjacent to track 140, can, because directive wheel 138 rigid structures wear and tear and rock in the time turning, not make crusing robot can stablize quick turning.
Refer to Fig. 2, in an embodiment, described bolster 136 comprises torsion spring therein, and torsion spring set is located at hinge mount 134 hinge hinged with installing rack 132, and installing rack 132 is fixed in torsion spring one end, and the other end is fixed on hinge mount 134.In the time turning, directive wheel 138 is adjacent to tunnel track 140 sidewalls, is subject to the effect of track 140 sidewall resist forces, and hinge mount 134 rotates relative to installing rack 132, and torsion spring is reversed, and produces torsional moment, plays shock absorbing effect.At crusing robot, when the straight way, under the effect of the restoring force of torsion spring, hinge mount 134 rotates, and directive wheel 138 is still adjacent to track 140 sidewalls.So, can make crusing robot turn fast and stable.Be understandable that, in other embodiments, Buffer Unit also can comprise that other springs realize, as leaf spring, as long as realize directive wheel 138 and can flexible be adjacent to the object of tunnel track 140 sidewalls.
Refer to Fig. 2, in an embodiment, bolster 136 also comprises stop screw 133 therein, and stop screw 133 is arranged at installation portion end, is positioned at hinge mount 134 along on the path of hinge rotation.So, stop screw 133 can carry out spacing to hinge mount 134, in turning process, directive wheel 138 is subject to the resist force of tunnel track 140, drives Buffer Unit to move along the direction of hinge tunnel track 140 sidewalls that directive wheel 138 supports dorsad, and stop screw 133 carries out spacing to hinge mount 134, limit the angle of directive wheel 138 deflections, directive wheel 138 makes the deflection angle of directive wheel 138 within the specific limits, so that can flexibility be close to track 140 sidewalls, steady trun.Can also avoid because of angle of turn and excessive directive wheel 138 deflection angles that cause of speed excessive, the problem that bolster 136 is damaged.
Refer to Fig. 2, in an embodiment, hinge mount 134 ends are also provided with the second mandrel 135 therein, and directive wheel 138 is sheathed on the second mandrel 135.So, directive wheel 138 is connected in hinge mount 134 rotationally, so that be close to track 140 sidewalls, rolling friction, and force of rolling friction is less than force of sliding friction, has avoided the wearing and tearing of directive wheel 138 while turning.
Refer to Fig. 2, in an embodiment, the second mandrel 135 ends are provided with jump ring 137 therein, and jump ring 137 can position the second mandrel 135, prevent that the second mandrel 135 from coming off.In the present embodiment, hinge mount 134 ends offer core axle hole, and the second mandrel 135 two ends are installed on hinge mount 134 by core axle hole, and jump ring 137 is installed on core axle hole, to prevent that the second mandrel 135 from moving vertically, comes off from hinge mount 134.So, can further increase the stability of directive wheel 138 mechanisms.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a crusing robot, is characterized in that, comprising:
Supporting frame;
Driving mechanism, comprise the adjustable drive unit of actuating speed, differential mechanism and at least two group travel wheel, described drive unit and described differential mechanism are in transmission connection, described differential mechanism is arranged between described travel wheel, and be in transmission connection with described travel wheel, described drive unit, differential mechanism and travel wheel are all installed on support frame as described above body;
Be adjacent to the type leading wheel framework of orbit sidewall, comprise at least two group guide wheel assemblies, described guide wheel assemblies is all installed on support frame as described above body.
2. crusing robot according to claim 1, it is characterized in that, support frame as described above body comprises base plate, and be vertically connected at the first side plate and second side plate of described base plate, described drive unit is installed on described the first side plate, described differential mechanism is installed on described base plate, and described travel wheel is installed on described the first side plate and the second side plate by runner shaft, and described guide wheel assemblies is installed on described the first side plate and the second side end.
3. crusing robot according to claim 2, it is characterized in that, described drive unit comprises drive motors and decelerator, described drive motors and described decelerator are in transmission connection, described decelerator and described differential mechanism are in transmission connection, and described drive motors and described decelerator are all installed on described the first side plate.
4. crusing robot according to claim 3, it is characterized in that, described drive unit also comprises transmission component, described transmission component comprises driving gearshaft, the first gear and the second gear, described driving gearshaft one end is connected rotationally with described the second side plate, the other end and described decelerator are in transmission connection, described differential mechanism and described driving gearshaft are in transmission connection, described the first gear and the second gear are installed on described the first side plate, described the first gear and described differential mechanism are in transmission connection, described the second gear engages with described the first gear, described runner shaft is rotationally connected with described the first side plate and the second side plate, described travel wheel is installed on described runner shaft, described travel wheel is connected with described the second gear drive.
5. crusing robot according to claim 1, it is characterized in that, described guide wheel assemblies comprises installing rack, hinge mount, bolster and directive wheel, described installing rack is fixedly connected on support frame as described above body, described hinge mount is articulated with described installing rack, described installing rack is fixed in described Buffer Unit one end, and the other end is fixed on described hinge mount, and described directive wheel is connected in described hinge mount rotationally.
6. crusing robot according to claim 5, it is characterized in that, described guide wheel assemblies also comprises the first mandrel, described installing rack comprises fixed part and installation portion, described installation portion is convexly set in described fixed part end, and relatively described installation portion axis is symmetrical arranged, and described installation portion offers installing hole, described hinge mount offers hinge axis hole, described the first mandrel through described installing hole and hinge axis hole by hinged to described hinge mount and described installation portion.
7. according to the crusing robot described in claim 5 or 6, it is characterized in that, described bolster comprises torsion spring, and described torsion spring set is located at described hinge mount and the hinged hinge of described installing rack, described installing rack is fixed in described torsion spring one end, and the other end is fixed on described hinge mount.
8. crusing robot according to claim 5, is characterized in that, described guide wheel assemblies also comprises stop screw, and described stop screw is arranged at described installing rack end, is positioned at described hinge mount along on the path of hinge rotation.
9. crusing robot according to claim 5, is characterized in that, described hinge mount end is provided with the second mandrel, and described directive wheel is sheathed on described the second mandrel.
10. crusing robot according to claim 9, is characterized in that, described the second mandrel end is provided with jump ring.
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| CN201410053703.0A CN103802086B (en) | 2014-02-17 | 2014-02-17 | Crusing robot |
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| CN201410053703.0A CN103802086B (en) | 2014-02-17 | 2014-02-17 | Crusing robot |
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| CN103802086B CN103802086B (en) | 2016-04-20 |
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Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: GUANGZHOU POWER SUPPLY Co.,Ltd. Patentee after: LAUNCH DIGITAL TECHNOLOGY Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. Patentee before: SHENZHEN LAUNCH DIGITAL TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230614 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Patentee after: LAUNCH DIGITAL TECHNOLOGY Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. Patentee before: LAUNCH DIGITAL TECHNOLOGY Co.,Ltd. |
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